WO2024109940A1 - Developing cartridge - Google Patents

Developing cartridge Download PDF

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Publication number
WO2024109940A1
WO2024109940A1 PCT/CN2023/134084 CN2023134084W WO2024109940A1 WO 2024109940 A1 WO2024109940 A1 WO 2024109940A1 CN 2023134084 W CN2023134084 W CN 2023134084W WO 2024109940 A1 WO2024109940 A1 WO 2024109940A1
Authority
WO
WIPO (PCT)
Prior art keywords
elastic member
force
developing
movable part
movable
Prior art date
Application number
PCT/CN2023/134084
Other languages
French (fr)
Chinese (zh)
Inventor
敖仕平
徐荣力
李忠远
Original Assignee
江西亿铂电子科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江西亿铂电子科技有限公司 filed Critical 江西亿铂电子科技有限公司
Publication of WO2024109940A1 publication Critical patent/WO2024109940A1/en

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Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00Apparatus for electrographic processes using a charge pattern
    • G03G15/06Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03GELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit

Definitions

  • the invention relates to the technical field of electronic photographic imaging, and in particular to a developing box.
  • a processing device i.e., a developing cartridge
  • a processing device i.e., a developing cartridge
  • the cartridge is detachably mounted on the imaging device.
  • the user can perform maintenance operations on the device without relying on service personnel, thereby significantly improving operability. Therefore, this type of cartridge is widely used in imaging devices.
  • light carrying image information is projected onto the photosensitive drum, and an electrostatic latent image is formed on the photosensitive drum.
  • the electrostatic latent image is developed by a developing roller carrying a developer of the developing cartridge, and the developed image formed on the photosensitive drum is transferred to the recording material, thereby forming an image on the recording material.
  • the prior art shows an imaging device 1 and a developing box 11 and a photosensitive box detachably installed in the imaging device 1, wherein the photosensitive box includes a rotatable photosensitive drum 23, the developing box 11 includes a shell 12 that can accommodate a developer and a developing roller 13 supported on the shell 12, and a driving force receiving member (not shown), the driving force receiving member can be coupled with a driving force applying member 3 in the imaging device 1 and receive the rotational driving force outputted by the driving force applying member 3 to rotate the developing roller 13; the developing box 11 is also provided with a lever 14 that can receive an external force and can rotate relative to the shell 12, and a lever 14 provided on the shell 12.
  • the lever 14 in order to realize the detection function of the developing box 11 triggering the detection switch of the imaging device 1 after the installation is completed, the lever 14 is constructed to receive the external force F2 and drive the shell 12 to move in the direction away from the photosensitive drum 23, so that the shell 12 can trigger the detection switch of the imaging device 1.
  • the shell 12 will also drive the driving force receiving member and the driving force applying member 32 to disengage, and the two are no longer coaxial. Frequent engagement and contact engagement not only easily wears the driving force receiving member, but also makes it easy for the two to interfere with each other during installation.
  • the developing roller 13 needs to maintain a certain pressure contact with the photosensitive drum 23 to prevent printing quality problems.
  • the lever 14 can also use the elastic force generated by the compression spring after being compressed and deformed to make the developing roller 13 contact the photosensitive drum 23 with a certain pressure to achieve pressure contact between the two.
  • the rotating lever 14 will not only force the compression spring 15 to cause compression deformation in the length direction, but also because of the rotation of the lever 14, the direction of the forced thrust applied by the lever 14 when pushing the compression spring 15 will change with the rotation moment of the lever, causing the compression spring to twist and deform, which will cause
  • the degree of twisting deformation of the compression springs 15 at the left and right ends of the developer box 11 is difficult to accurately control or is uncontrollable, which may easily lead to different conditions of the compression springs 15.
  • the contact pressures at the left and right ends of the developing roller 13 and the photosensitive drum 23 are difficult to be the same. Therefore, the printing quality of the developer box is difficult to guarantee.
  • the present invention provides a new developing box, which is mainly achieved by the following technical solutions:
  • a developing box is detachably mounted in an imaging device having a force applying member, the developing box comprising:
  • a housing capable of accommodating a developer, wherein the housing has a first end and a second end opposite to the first end in a first direction;
  • a developing roller rotatably supported on the housing and rotatable about a developing roller rotation axis extending along a first direction;
  • a driving force receiving member disposed at a first end of the housing in a first direction, the driving force receiving member being configured to transmit a driving force to the developing roller;
  • a first movable portion which can receive the pushing force applied by the force applying member and can move relative to the housing, and when the developing cartridge is installed in the imaging device, the first movable portion is located at the bottom of the housing;
  • the developing box further includes a first elastic member that can be stretched and deformed in response to the movement of the first movable portion.
  • At least a portion of the first elastic member is farther away from the developing roller than the first movable portion.
  • the first elastic member is arranged at the first end and the second end of the shell respectively, and when the first movable part receives the driving force of the force applying member and moves, the elastic forces of the first elastic member located at the first end and the second end of the shell are equal.
  • the first elastic member is respectively arranged at the first end and the second end of the shell.
  • the elastic force of the first elastic member located at the first end of the shell is smaller than the elastic force of the first elastic member located at the second end of the shell.
  • the first elastic member is a tension spring.
  • the first movable part can move relative to the housing around a fulcrum
  • the first movable part includes a force receiving part that can receive the pushing force of the force applying part, and an elastic member mounting position connected to the first elastic member
  • the fulcrum is located between the force receiving part and the elastic member mounting position
  • the force receiving part and the elastic member mounting position are connected to each other.
  • the elastic member installation positions are respectively arranged at two ends of the first movable part in the length direction.
  • the shell includes an upper shell and a lower shell and a first joint portion and a second joint portion connecting the upper shell and the lower shell, the first joint portion is located on the downstream side of the developing box installation direction and is constructed to extend from the first end of the shell to the second end, and the second joint portion is located on the upstream side of the developing box installation direction and is constructed to extend from the first end of the shell to the second end; in a direction intersecting the first direction, a line segment connecting the first joint portion and the second joint portion is made, and the line segment passes through the first elastic member.
  • the developing box also includes a stirring frame for stirring the developer and a stirring frame gear connected to one end of the stirring frame and capable of driving the stirring frame to rotate.
  • a stirring frame for stirring the developer
  • a stirring frame gear connected to one end of the stirring frame and capable of driving the stirring frame to rotate.
  • the driving force receiving member is movable in a first direction
  • an elastic member is further provided between the driving force receiving member and the housing, and an elastic force generated by the elastic member can be applied to the driving force receiving member.
  • the developing box also includes a driving gear coaxially arranged with the driving force receiving member and capable of rotating in response to the rotation of the driving force receiving member, the driving gear and the driving force receiving member are clearance-fitted and can move in a direction intersecting the first direction, and the elastic member is constructed as a conical coil spring.
  • the imaging device includes a movable guide rail, and the first movable part can drive the movable guide rail to move after receiving the pushing force of the force-applying member and moving relative to the shell;
  • the developing box also includes a second movable part that is separately arranged with the first movable part and connected to the first elastic member, and the second movable part can move relative to the shell in response to the movement of the first movable part, thereby driving the first elastic member to stretch and deform.
  • first movable part and the second movable part can be slidably mounted on the housing.
  • the first elastic member includes a first connecting portion connected to the shell and a second connecting portion connected to the second movable portion, and a deformable portion connecting the first connecting portion and the second connecting portion and capable of deformation.
  • the deformable portion When projected along the first direction, the deformable portion has an overlapping portion with the first movable portion.
  • the developing box further comprises a stirring frame and a stirring frame gear disposed at one end of the stirring frame and capable of driving the stirring frame to rotate.
  • the projection range of the first elastic member is outside the projection range of the stirring frame gear.
  • the first movable part can rotate relative to the housing around a rotation center located on the first movable part.
  • the developing box also includes a second elastic member connected to the first movable part, and the second elastic member can reset the first movable part to a position before receiving the pushing force of the force applying member.
  • the second elastic member may rotate relative to the housing in response to the movement of the first movable portion.
  • the first movable part includes a force receiving part for receiving the pushing force of the force-applying part, and the first movable part can move between a first position, a second position and a third position.
  • the first movable part When the first movable part is not acted upon by an external force, it is in the first position, and the length of the first elastic part is P1; when the first movable part is in the second position, the length of the first elastic part is P2, and the force receiving part is located at the second position farther away from the developing roller than at the first position and the third position; when the first movable part is in the third position, the length of the first elastic part is P3, and the force receiving part is located at the third position closer to the developing roller than at the first position and the second position, wherein P2>P3>P1.
  • the developing box in the present invention has an elastic member configured as a tension spring connected to the movable part. After the movable part is forced to push, the tension spring undergoes little bending deformation or even no bending deformation.
  • the elastic force generated by the tension spring can be stably used to force the developing box to push, so that the developing roller and the photosensitive drum are in contact with a stable and balanced pressure, which helps to improve the printing quality of the developing box.
  • FIG. 1 is a schematic diagram of a developing cartridge at a certain angle in Embodiment 1 of the present invention
  • Embodiment 1 of the present invention is a schematic diagram of the developing cartridge in Embodiment 1 of the present invention from another angle;
  • FIG. 3 is a schematic diagram of the driving side protective cover being removed from the developing cartridge in Embodiment 1 of the present invention
  • FIG. 4 is an exploded schematic diagram of the driving side of the developing cartridge in Embodiment 1 of the present invention.
  • Embodiment 1 of the present invention is a schematic diagram of the developing cartridge in Embodiment 1 of the present invention when it is in the first position;
  • Embodiment 6 is a schematic diagram of the developing cartridge in Embodiment 1 of the present invention when it is in the second position;
  • Embodiment 7 is a schematic diagram of the developing cartridge in Embodiment 1 of the present invention when it is in the third position;
  • FIG. 8 is a schematic diagram of a developing cartridge in Embodiment 2 of the present invention.
  • FIG. 9 is a schematic diagram of a developing cartridge in Embodiment 3 of the present invention.
  • FIG. 10 is a schematic diagram of a developing cartridge in Embodiment 4 of the present invention.
  • FIG. 11 is a schematic diagram of the developing cartridge after the driving side protective cover is decomposed from the developing cartridge in Embodiment 4 of the present invention.
  • FIG. 12 is a schematic diagram of a driving assembly of a developing cartridge in Embodiment 4 of the present invention.
  • FIG. 13 is an exploded schematic diagram of a driving assembly of a developing cartridge in Embodiment 4 of the present invention.
  • FIG. 14 is a schematic diagram of the developing cartridge when the movable portion is not subjected to an external force in Embodiment 4 of the present invention.
  • FIG. 15 is a schematic diagram of the developing cartridge when the developing roller contacts the photosensitive drum with a certain pressure when the movable portion is acted upon by an external force in Embodiment 4 of the present invention
  • FIG. 16 is a schematic diagram of the developing cartridge when the developing roller is separated from the photosensitive drum when the movable portion is subjected to an external force in Embodiment 4 of the present invention
  • FIG17 is a schematic diagram of a housing in Embodiment 4 of the present invention.
  • Example 18 is a schematic diagram of the upper shell and the lower shell separated in Example 4 of the present invention.
  • Example 19 is a schematic diagram of the positional relationship between the transmission gear and the elastic member in Example 4 of the present invention.
  • FIG. 20 is an exploded schematic diagram of a drive gear, an elastic member, and a drive force receiving member in Embodiment 4 of the present invention
  • 21 is a schematic diagram of a developing box when the developing roller is separated from the photosensitive drum in the prior art
  • FIG. 22 is a schematic diagram of a developing cartridge when the developing roller contacts the photosensitive drum with a certain pressure in the prior art
  • FIG23 is a schematic diagram of an imaging device at a certain angle in Embodiment 5 of the present invention.
  • FIG24 is a schematic diagram of an imaging device from another angle in Embodiment 5 of the present invention.
  • FIG25 is a schematic diagram of an imaging device from another angle in Embodiment 5 of the present invention.
  • 26 is a schematic diagram of a process cartridge installed in an imaging device in Embodiment 5 of the present invention.
  • Figure 27 is a schematic diagram of a developing cartridge in Example 5 of the present invention.
  • FIG. 28 is a schematic diagram of a developing cartridge at a certain angle in which the driving side protective cover is decomposed from the developing cartridge in Embodiment 5 of the present invention.
  • FIG. 29 is a schematic diagram of the developing cartridge from another angle in which the driving side protective cover is decomposed from the developing cartridge in Embodiment 5 of the present invention.
  • Figure 30 is an exploded schematic diagram of the right end of the developing cartridge in Example 5 of the present invention.
  • FIG. 31 is an exploded schematic diagram of a driving force receiving member, an elastic member and a driving gear in Embodiment 5 of the present invention.
  • FIG. 32 is a schematic diagram of the developing cartridge when the first movable portion is not subjected to an external force in Embodiment 5 of the present invention.
  • FIG. 33 is a schematic diagram of the developing cartridge when the first movable portion is detected by the imaging device in Embodiment 5 of the present invention.
  • FIG. 34 is a schematic diagram of a developing cartridge when the developing roller and the photosensitive drum are kept in contact with each other at a certain pressure in Embodiment 5 of the present invention
  • Figure 35 is a schematic diagram of a developing cartridge at a certain angle in Example 6 of the present invention.
  • Figure 36 is a schematic diagram of a developing cartridge in Example 7 of the present invention.
  • Figure 37 is an exploded schematic diagram of the right end of the developing cartridge in Example 7 of the present invention.
  • Example 7 of the present invention is a schematic diagram of the first movable portion in Example 7 of the present invention when it is in the first position
  • Example 39 is a schematic diagram of the first movable portion in Example 7 of the present invention when it is in the second position;
  • Figure 40 is a schematic diagram of the first movable part in embodiment 7 of the present invention when it is in the third position.
  • a developing box 100 in Example 1 of the present invention is shown.
  • the developing box 100 can be detachably installed in an imaging device having a force-applying member 10.
  • the force-applying member 10 is arranged on the lower side of the developing box 100 in the up and down direction (the third direction), and the force-applying member 10 can move in the front and back direction (the second direction) and force the developing box 100;
  • the photosensitive unit having a photosensitive drum 2 is also detachably installed in the imaging device.
  • the developing box 100 and the photosensitive unit are installed together in the imaging device, the two can cooperate with the imaging device to perform printing work.
  • the length direction of the developing box 100 is defined as the left-right direction (first direction), and the driving force receiving member 103 (to be described below) is located on the right side of the developing box 100 in the left-right direction.
  • the right side is also referred to as the driving side of the developing box 100, and the side opposite to the driving side is the non-driving side.
  • the developing box 100 includes a shell 101, which includes a main body 106 for accommodating developer, a drive side protective cover 104 detachably arranged on the right side of the main body 106, and a non-drive side protective cover 105 on the left side; the developing box 100 also includes a developing roller 102 supported on the shell 101, and a driving force receiving member 103 arranged on the right side of the shell 101, the driving force receiving member 103 can receive the driving force of a driving member (not shown) of the imaging device to rotate around a rotation axis extending in the left-right direction, and can drive the developing roller 102 to rotate around the rotation axis extending in the left-right direction, and the driving force receiving member 103 is fixedly installed in the developing box 100 in the left-right direction; the bearing member 107 as a bearing is detachably installed on the right side of the main body 106, which can be used to support the right side of the developing roller 102 and the gear system of the developing box 100. It is worth noting that the main body
  • the developing box 100 can move among a first position, a second position and a third position.
  • the position where the developing roller of the developing box 100 just contacts the photosensitive drum 2 but no pressure is generated therebetween is called the first position;
  • the position where the developing roller 102 of the developing box 100 contacts the photosensitive drum 2 with a certain pressure is called the second position;
  • the position where the developing roller 102 of the developing box 100 is separated from the photosensitive drum 2 by a certain distance s is called the third position; when observed from right to left, the direction in which the developing roller 102 approaches the photosensitive drum 2 is the forward direction M, and the direction in which the developing roller 102 moves away from the photosensitive drum 2 is the backward direction N.
  • the developing box 100 further includes a pair of movable parts 110 respectively arranged on the left and right sides of the shell 101, and a first elastic member 111 arranged between the movable part 110 and the shell 101.
  • the first elastic member 111 is arranged at a position farther away from the rotation axis of the developing roller 102;
  • the first elastic member 111 is preferably a tension spring, and one end of the first elastic members 111 on the left and right sides of the developing box 100 is connected to the movable part 110, and the other end of the first elastic member 111 on the right side is connected to the first mounting post 101a formed on the bearing member 107, but the other end of the first elastic member 111 on the left side is connected to the second mounting post 105a of the non-driving side protective cover 105 to provide sufficient avoidance space to avoid the second mounting post 105a from interfering with the imaging device during the installation of the developing box 100 to the imaging device;
  • the elastic forces of the first elastic members 111 on the left and right sides of the developer box 100 are the same, which helps to install the first elastic member 111 into the developer box 100 without distinguishing during the assembly process, and will not cause installation errors that lead to printing quality problems, thereby improving the assembly efficiency of the developer box 100; specifically, the first elastic member 111 installed in the developer box 100 has the same elastic force.
  • the material, length, diameter and wire diameter of the first elastic members 111 on the left and right sides are the same. Of course, they do not have to be the same.
  • the above-mentioned specific parameters related to the stiffness coefficient k are adjusted to make the stiffness coefficients k of the two the same, this is not a limitation.
  • the deformation amount x of the first elastic member 111 is also equal, that is, the elongation or shortening length of the first elastic members 111 on the left and right sides is also the same.
  • the total length of the first elastic member 111 after being elongated or shortened by force is equal.
  • the product of the stiffness coefficient k1 and the deformation x1 of the left first elastic member 111 is the same as the product of the stiffness coefficient k1 and the deformation x1 of the right first elastic member 111.
  • the second arrangement structure is that the stiffness coefficient k and the deformation amount of the first elastic members 111 on the left and right sides are different. One of them is that the stiffness coefficient k1 of the first elastic member 111 on the left is greater than the stiffness coefficient k2 of the elastic member on the right.
  • the parameters related to the stiffness coefficient k can be specifically adjusted, and no further details will be given here. It is sufficient to make the stiffness coefficient k1 of the first elastic member 111 on the left greater than the stiffness coefficient k2 of the elastic member on the right. However, when the first elastic member 111 is installed in the developing box 100 and the first elastic member 111 is deformed by force, the deformation amount x1 of the first elastic member 111 on the left is smaller than the deformation amount x2 of the first elastic member 111 on the right, that is, the total length L1 of the first elastic member 111 on the left after deformation is smaller than the total length L2 of the first elastic member 111 on the right after deformation.
  • the length of the first elastic member 111 can be changed by changing the spacing d between the first mounting column and the second mounting column for mounting the first elastic member 111.
  • the stiffness coefficient k1 and the deformation amount x2 of the first elastic member 111 on the left are smaller than the deformation amount x2 of the first elastic member 111 on the right.
  • the parameters of the stiffness coefficient k mentioned above can be adjusted, which will not be repeated here.
  • the stiffness coefficient k1 of the first elastic member 111 on the left is smaller than the stiffness coefficient k2 of the first elastic member 111 on the right, when the first elastic member 111 is arranged After the first elastic member 111 is installed in the developer box 100 and deformed by force, the deformation x1 of the left first elastic member 111 is greater than the deformation x2 of the right first elastic member 111, that is, the total length of the left first elastic member 111 after deformation is greater than the total length of the right first elastic member 111 after deformation.
  • the elastic force of the first elastic member 111 can also be changed by changing the arrangement position and direction of the first elastic member 111, that is, the length directions of the first elastic members 111 on the left and right sides intersect, and the two are not parallel.
  • a movable part mounting column 101b is also provided on the bearing member 107 of the housing 101, and the movable part 110 is rotatably mounted on the movable part mounting column 101b.
  • the movable part 110 can receive the driving force of the force applying member 10 of the imaging device and can rotate around the movable part mounting column 101b as a rotating shaft.
  • the column 101b rotates between the first position and the second position relative to the housing 101.
  • the movable part 110 Before the movable part 110 is acted upon by an external force, as shown in FIG5 , the movable part 110 is kept in the first position under the elastic force generated by the first elastic member 111. After the movable part 110 is acted upon by an external force, when viewed from the right side to the left side of the developing cartridge 100, the movable part 111 can overcome the elastic force of the first elastic member 111 and rotate counterclockwise from the first position to the second position, so that the developing cartridge 100 is 5 to the second position shown in FIG. 6 . At this time, the developing roller 102 is in contact with the photosensitive drum 2 at a certain pressure, and the developing box 100 can perform printing.
  • the first elastic member 111 connected to the movable part 110 can rotate a certain angle following the rotation of the movable part 110, so that the extension direction of the first elastic member 111 remains unchanged, that is, it always maintains a substantially straight extension, and the transmission of elastic force becomes stable. Therefore, the development roller 102 and the photosensitive drum 2 are in contact with each other.
  • the movable portion 110 includes a pair of first force-bearing portions 110a and second force-bearing portions 110b that are arranged opposite to each other in the front-to-back direction, at least a portion of the first force-bearing portion 110a faces the rear side of the developing cartridge 100, and at least a portion of the second force-bearing portion 110b faces the front side of the developing cartridge 100.
  • the first force-bearing portion 10a of the force-applying member 10 and the first force-bearing portion 110a of the movable portion 110 are opposite to each other, and the first force-bearing portion 10a can force the developing cartridge 100 to move toward the front side of the developing cartridge 100.
  • the first force-bearing portion 110a is pushed, so that the movable portion 110 moves from the first position to the second position relative to the shell 101, thereby forcing the developing box 100 to move along the forward direction M, and the developing roller 102 maintains contact with the photosensitive drum 2 at a certain pressure; as shown in Figure 7, the second force-applying portion 10b of the force-applying member 10 and the second force-bearing portion 110b of the movable portion 110 are opposite to each other, and the second force-applying portion 10b can force the second force-bearing portion 110a to be pushed, and the movable portion 110 drives the developing box 100 to move from the first position to the third position along the backward direction N, and the developing roller 102 is spaced a certain distance s from the photosensitive drum 2.
  • a first limiting portion 101c and a second limiting portion 101d constructed as a protrusion are also provided on the bearing member 107 of the housing 101, and a gap is provided between the two.
  • the movable portion 110 can move within the range of the gap.
  • the first limiting portion 101c is closer to the rotation axis of the developing roller 102 in the front-to-back direction than the second limiting portion 101d.
  • the first limiting portion 101c can be used to limit the movement of the movable portion 110 in the direction close to the developing roller 102 to avoid it from being disengaged from the first force-applying portion 10a of the force-applying member 10 of the imaging device after rotating too much, and the second limiting portion 101d can be used to enable the movable portion 110 to be blocked by the second limiting portion 101d when the second force-applying portion 10b pushes the movable portion 110, so that the developing box 100 can be driven to move along the backward direction.
  • the movable part 110 moves in the direction N, that is, the first limiting portion 101 c and the second limiting portion 101 d can be used to limit the rotation range of the movable part 110 .
  • Example 2 of the present invention As shown in Figure 8, a developing box 200 in Example 2 of the present invention is introduced next.
  • the parts of the developing box 200 that are the same as those in the above-mentioned Example 1 are not repeated here.
  • the difference is that the elastic forces of the first elastic members 211 arranged on the left and right sides of the developing box 200 are different.
  • the two use elastic members with different elastic coefficients to be arranged on the left and right sides of the developing box 200 respectively.
  • the driving force receiving member 203 disposed in the developing box 200 receives the rotational driving force from the imaging device during the working process of the developing box 200.
  • the driving force receiving member 203 can rotate in the clockwise direction. That is, during the rotation of the driving force receiving member 203, the developing box 200 has a rotational torque in the clockwise direction, which makes the developing roller tend to move toward the direction close to the photosensitive drum 2.
  • the developing roller can maintain contact with the photosensitive drum 2 at a certain pressure.
  • the driving force receiving member 203 is disposed on the right side of the developing box 200, this will make the right side of the developing box 200 have a relative pressure to the left side.
  • the elastic force of the first elastic member 211 on the left side of the developing box 200 is greater than the elastic force of the first elastic member 211 on the right side of the developing box 200 (i.e., the driving side).
  • the size of the elastic force can be specifically adjusted according to the stiffness coefficient k and the deformation x in Example 1, which will not be repeated here. After being arranged in the above structure and manner, this helps to ensure that the pressure applied to the photosensitive drum 2 by the left and right sides of the developing roller is approximately the same, thereby improving the printing quality of the developing box 200.
  • the elongation length of the first elastic member 211 can be changed by changing the spacing between the first mounting column and the second mounting column for mounting the first elastic member 211, thereby changing the magnitude of the elastic force generated by the first elastic member 211. That is to say, in this solution, the first elastic members 211 arranged on the left and right sides of the developing box 200 can be the same elastic member, but after being arranged in the developing box 200, the elongation lengths of the two are different.
  • the magnitude of the elastic force of the first elastic member 211 by changing the arrangement position and direction of the first elastic member 211, that is, the first elastic members 211 arranged on the left and right sides of the developing box 200 can be the same elastic member, and the length directions of the first elastic members 211 on the left and right sides of the developing box 200 intersect, and the two are not parallel. In this way, the components of the elastic force generated by the first elastic member 211 are different, and the above-mentioned technical effect of different elastic forces can also be achieved.
  • a developing box 300 in Embodiment 3 of the present invention is introduced next.
  • the same parts of the developing box 300 as those in Embodiment 1 or 2 above are not described here.
  • the first elastic member 311 is only arranged on one of the left and right sides of the developing box 300.
  • the first elastic member 311 is arranged on the left side of the developing box 300, that is, the non-driving side of the developing box 300.
  • Embodiment 2 it can not only achieve the same technical effect as in Embodiment 2, that is, the pressure applied to the photosensitive drum 2 by the left and right sides of the developing roller is roughly the same, thereby improving the printing quality of the developing box 300, but also reduce the production cost because the first elastic member 311 originally arranged on the right side of the developing box 300 is cancelled. However, a movable part 310 is still arranged on the right side of the developing box 300.
  • the force applying member 10 of the imaging device can force the movable part 310 on the right side of the developing box 300, so that the developing box 300 moves from the first position to the third position, so that the developing roller and the photosensitive drum 2 are separated by a certain distance s.
  • Embodiment 4 of the present invention will be introduced in conjunction with Figures 10-20.
  • Embodiment 4 discloses a developing box 400.
  • the same parts of the developing box 400 as those of the developing boxes in the above-mentioned Embodiments 1-3 will not be repeated here. The differences will be described in detail below.
  • the developer box 400 includes a shell 401, which includes a main body 403 that can accommodate the developer and a non-driving side protective cover 404 and a driving side protective cover 405 respectively arranged on the left and right sides of the main body 403.
  • the main body 403 includes an upper shell 403a and a lower shell 403b.
  • the upper shell 403a is located on the upper side of the lower shell 403b, and the two are welded together by, for example, ultrasonic welding technology.
  • the main body 403 has a first joint portion 403c and a second joint portion 403d connecting the upper shell 403a and the lower shell 403b.
  • the first joint portion 403c is located on the downstream side of the installation direction of the developer box 400 and is constructed to span the left and right ends of the main body 403.
  • the second joint portion 403d is located on the upstream side of the installation direction of the developer box 400 and is constructed to span the left and right ends of the main body 403, that is, the first joint portion 403c is at the front and rear In the direction, it is arranged on the front side of the second engaging portion 403d, in other words, the first engaging portion 403c and the second engaging portion 403d extend from the left end of the main body portion 403 to the right end of the main body portion 403;
  • the developing box 400 also includes a developing roller 402 rotatably supported on the shell 401, a stirring frame (not shown) and a driving assembly arranged at the right end of the developing box 400, and at least a part of the driving assembly and the bearing member 429 are covered by the driving side cover 405, and the driving assembly includes a driving force receiving member 421 and a driving gear 421
  • the driving force receiving member 421 in the extended position is at least partially further away from the left end of the developing box 400 in the left-right direction than the driving force receiving member 421 in the retracted position.
  • the driving force receiving member 421 is maintained in the extended position under the elastic force generated by the elastic member 428.
  • the driving force receiving member 421 can resist the elastic force of the elastic member 428 and move from the extended position to the retracted position from right to left. After the external force is removed, the elastic force generated by the elastic member 428 can reset the driving force receiving member 421 and move it from the retracted position to the extended position.
  • the driving gear 421b is coaxially arranged with the driving force receiving member 421 and It can rotate in response to the rotation of the driving force receiving member 421; further, the driving force receiving member 421 and the driving gear 421b are clearance-fitted, and the driving force receiving member 421 can swing relative to the driving gear 421b in a direction intersecting the left and right directions (radial direction), which greatly reduces the probability of installation interference between it and the power output member of the imaging device due to manufacturing errors or installation errors, and improves the success rate of coupling between the driving force receiving member and the power output member; further, the elastic member 428 is constructed as a conical spring, that is, a conical coil spring, which abuts between the first positioning portion 421a constructed as a protrusion on the driving force receiving member 421 and the second positioning portion 421b1 constructed as a groove in the inner cavity of the driving gear 421b, and the end with a smaller diameter of the conical coil spring is positioned at the driving force receiving member The conical coil spring is positioned
  • the left and right ends of the conical coil spring are positioned.
  • the driving force receiving member 421 can overcome the elastic force of the conical coil spring and swing along the radial direction intersecting the left and right directions.
  • the conical coil spring is twisted and deformed.
  • the elastic force accumulated in the conical coil spring is released and can be used to reset the driving force receiving member 421 after the radial movement, so that the rotation axis of the driving force receiving member 421 moves from a direction inclined to the left and right directions to a direction parallel to the left and right directions, that is, the driving force receiving member 421 and the driving gear 421b will be rotated again.
  • a first positioning portion 421a constructed as a groove may be provided on the driving force receiving member 421, and a second positioning portion 421b1 constructed as a protrusion may be provided on the driving gear 421b, and the elastic member 428 may be positioned in the same manner, which is not limiting;
  • the developing box 400 also includes a developing roller gear 422 connected to the right end of the developing roller 402 and a stirring frame gear 425 connected to the right end of the stirring frame, the developing roller gear 422 is directly meshed with the driving gear 421b and can receive the rotational driving force to drive the developing roller 402 to rotate, the stirring frame gear 425 is arranged between the main body 403 of the shell 401 and the bearing member 429 in the left and right directions, and the stirring frame gear 425 receives the driving force from the driving frame through the transmission gear 423 arranged between the stirring frame gear 425 and the driving gear 421b.
  • the driving force of gear 421b drives the stirring frame to rotate, that is, the driving force receiving member 421 can simultaneously drive the developing roller 402 and the stirring frame to rotate;
  • the developing box 400 also includes a chip 406, the chip 406 includes an electrical contact surface (not shown) that is electrically in contact with the imaging device and a storage unit that stores information related to the developing box 400, and the imaging device can read the information in the storage unit of the chip 406 by electrically contacting the electrical contact surface of the chip 406, thereby establishing a communication connection with the developing box 400.
  • the developer cartridge 400 also includes a pair of first movable portions 410 detachably disposed on the left and right sides of the shell 401, and a first elastic member 411 connected between the first movable portion 410 and the shell 401.
  • the first movable portion 410 is preferably a rod. Furthermore, the rod is a lever.
  • the first elastic member 411 is preferably a tension spring. When viewed from the left and right directions, the first elastic member 411 is arranged between the developer roller 402 and the first movable portion 410.
  • the first movable portion 410 on the left is mounted on the non-driving side cover 404 of the shell 401
  • the first movable portion 410 on the right is mounted on the bearing member 429 of the shell 401.
  • the first movable portion 410 on the left is mounted on the non-driving side cover 404 of the shell 401.
  • the movable part 410 can be installed on the main body part 403, and the first movable part 410 on the right side can be installed on the main body part 403 or the driving side cover 405, which is not limited; it is worth mentioning that the structure and action process of the first movable part 410 located on the left and right sides of the developing box 400 are generally the same, and the first movable part 410 on the right side is taken as an example for explanation; specifically, the first movable part 410 includes a force receiving part located at one side end of the first movable part 410 (the lower end in this embodiment) and protruding outside the shell 401, the force receiving part can receive external force, and includes a pair of first force receiving parts 410a and a second force receiving part 410b arranged opposite to each other in the front-to-back direction.
  • the first movable portion 410 also includes a protruding elastic member mounting position 401a located on the other side end of the first movable portion 410 (the upper end in this embodiment) and configured as a protruding elastic member, one end of the first elastic member 411 is connected to the elastic member mounting position 401a, that is, the force receiving portion and the elastic member mounting position 401a are respectively arranged at the two ends of the length direction of the first movable portion 410; a fulcrum 401b is also arranged between the elastic member mounting position 401a and the force receiving portion, and in the length direction of the first movable portion 410, the fulcrum 401 b is located between the force receiving portion and the elastic member installation position 401a, the first movable portion 410 can move between the first position and the second position
  • the second limiting portion 427 can limit the first movable portion 410 to keep the first movable portion 410 in the first position when no external force is applied, and can drive the developing box 400 to move in the direction away from the developing roller 402 when the first movable portion 410 is pushed by an external force through contact with the first movable portion 410; when the developing box 400 is installed in the imaging device, as shown in FIG. 15, the first force-applying portion 10a of the force-applying member 10 and the first force receiving portion 410a of the first movable portion 410 are opposite to each other, and the first force-applying portion 10a can force the first force receiving portion 410a to make the first movable portion 410 overcome the elastic force generated by the stretching of the first elastic member 411.
  • the first movable portion 410 Under the action of the force, it can move from the first position to the second position relative to the shell 401. Under the limitation of the first limiting portion 426 of the first movable portion 410, the first movable portion 410 can drive the developing box 400 to move along the forward direction, and the developing roller 402 maintains contact with the photosensitive drum 2 at a certain pressure F.
  • the developing box 400 can participate in the printing work; as shown in Figure 16, the second force applying portion 10b of the force applying member 10 and the second force receiving portion 410b of the first movable portion 410 are opposite to each other, and the second force applying portion 10b can force the second force receiving portion 410b to push, and the first movable portion 410 drives the developing box 400 to move from the first position to the third position along the backward direction by contacting the second limiting portion 427 of the shell 401.
  • the developing roller 402 is spaced a certain distance s from the photosensitive drum 2. In this state, the developing box 400 no longer participates in the printing work.
  • the extension direction of the first elastic member 411 remains basically unchanged, that is, it always maintains a roughly straight extension, and the elastic force transmission becomes stable. Even if the first movable part 410 rotates a large angle, the first elastic member 411 can also rotate a certain angle following the rotation of the first movable part 410 to keep the extension direction of the first elastic member 411 basically unchanged. Therefore, the contact pressure between the developing roller 402 and the photosensitive drum 2 is more stable, which helps to improve the printing quality of the developing box 400.
  • the first elastic member 411 in the present invention is preferably a tension spring, one end of which is connected to the shell 401, and the other end is connected to the first movable part 410.
  • the first elastic member 411 has a first length L1
  • the first elastic member 411 has a second length L2, wherein L2 is greater than L1, that is, when the first movable part 410 moves from the first position to the second position, the first elastic member 411 can be stretched in response to the movement of the first movable part 410; when the developing box 400 is placed in a state where the electrical contact surfaces of the first movable part 410 and the chip 406 are arranged on the lower side of the shell 401, the first engaging portion 403c is located on the lower side of the second engaging portion 403d in the up and down direction
  • the first engaging portion 403c and The first elastic member 411 has an overlapping portion in the up and down direction, and a line segment connecting the first joint portion 403c and the second joint portion 403d is formed in a direction intersecting the left and right direction, and the line segment can pass through the first elastic member 411.
  • the first joint portion 403c arranged in the above manner has better performance in preventing developer leakage and better mechanical strength.
  • the bearing member 429 of the shell 401 is provided with an avoidance portion 424, which is constructed as a space with a certain range defined by the bearing member 429 and the space located on the right side of the bearing member 429.
  • the avoidance portion 424 is used to accommodate the first elastic member 411 to avoid installation interference between the first elastic member 411 and the driving component of the developer box 400 (such as the driving gear 421b and the transmission gear 423).
  • the stirring frame gear 425 is arranged between the main body 403 of the shell 401 and the bearing member 429 in the left and right direction. That is to say, the stirring frame gear 425 is not arranged in the right side space of the bearing member 429.
  • the right end of the bearing member 429 corresponding to the stirring frame gear 425 in the left and right direction is vacant, and the vacant space can be used to accommodate the first elastic member 411.
  • the first elastic member 411 and the stirring frame gear 425 have an overlapping portion.
  • one end of the first elastic member 411 connected to the first movable part 410 is arranged at the right end of the driving gear 421b.
  • the end of the first elastic member 411 connected to the first movable part 410 is arranged on the outer side of the developing box 400 relative to the driving gear 421b.
  • the end of the first elastic member 411 connected to the first movable part 410 maintains a spacing distance M with the transfer gear 423 to avoid mutual interference; further, projected along the left-right direction, the projection range of the first elastic member 411 is located outside the projection range of the driving gear 421b and the transfer gear 423, that is, the end of the first elastic member 411 connected to the first movable part 410 is spaced apart from the transfer gear 423 in a direction intersecting the left-right direction, which can further avoid mutual interference between the first elastic member 411 and the transfer gear 423.
  • Embodiment 5 of the present invention will be described in conjunction with FIGS. 21-40 .
  • Embodiment 5 discloses a developing cartridge 500 .
  • the same parts of the developing cartridge 500 as those of the developing cartridges in Embodiments 1-4 above will not be described in detail here. The similarities will be described in detail below.
  • an imaging device 1 in the prior art which includes a side panel 2 and a driving force applying member 3 supported by the side panel 2 and elastically extendable relative to the side panel 2.
  • the driving force applying member 3 engages with a motor (not shown) in the imaging device 1 and can output a rotational driving force.
  • the imaging device 1 also includes a fixed guide rail 5 and a movable guide rail 6 arranged at the downstream end of the fixed guide rail 5 in the installation direction of the developing box 500.
  • the movable guide rail 6 is constructed to be able to rotate within a certain angle around its rotation point center 6b relative to the fixed guide rail 5.
  • a spring (not shown) is also connected to the downstream end of the movable guide rail 6, and the other end of the spring is connected to the main body of the imaging device 1.
  • the spring is a tension spring.
  • the movable guide rail 6 When the movable guide rail 6 is not subjected to a force from outside the imaging device 1, the movable guide rail 6 is located in a first position. When the movable guide rail 6 is subjected to a force from outside the imaging device 1 toward the disassembly direction of the developing box 500, the movable guide rail 6 can overcome the elastic force of the spring and can move from the first position to the second position relative to the fixed guide rail 5. That is, the movable guide rail 6 can move between the first position and the second position relative to the fixed guide rail 5.
  • the imaging device 1 also includes a detection device (not shown) and a trigger switch (not shown) for enabling the detection device to perform detection work.
  • a touch portion 6a is provided on the movable guide rail 6.
  • the touch portion 6a no longer touches the trigger switch, the trigger switch is disconnected, and the detection signal generated by the detection device is disconnected and no detection is performed. Therefore, it can be known from the structure of the imaging device 1 described above that to achieve normal printing work, the movable guide rail 6 needs to move relative to the fixed guide rail 5 and touch the trigger switch. The following will describe in detail the relevant structure of how the developing box 500 pushes the movable guide rail 6 and realizes the relevant detection function.
  • a developing box 500 in embodiment 5 of the present invention is shown.
  • the developing box 500 can be detachably installed in the above-mentioned imaging device 1 along a predetermined installation direction.
  • the developing box 500 also includes a shell 501, and the shell 501 has a main body 501a that can accommodate developer and a conductive side cover 501b and a driving side cover 501c respectively arranged on the left and right sides of the main body 501a.
  • the shell 501 also includes a bearing member 508 arranged between the main body 501a and the driving side cover 501c; the developing box 500 also includes a bearing member 508 arranged in the shell
  • the handle 502 at the rear end of the main body portion 501, the developing roller 503 at the front end, and a stirring frame (not shown) for stirring the developer are partially supported inside the main body portion 501a.
  • the developing box 500 also includes a driving force receiving member 510, a driving gear 505 and an elastic member 511 arranged at the right end of the shell 501, the driving force receiving member 510 can receive the rotational driving force output by the driving force applying member 3 in the imaging device 1, the driving gear 505 is coaxially arranged with the driving force receiving member 510 and can rotate in response to the rotation of the driving force receiving member 510, and the driving force receiving member 510 is movable in the left and right directions relative to the shell 501; optionally, the driving force receiving member 510 can also be arranged in the developing box 500 in a fixed manner relative to the shell 501 in the left and right directions.
  • the driving force receiving member 510 can be extended and retracted by pushing the driving force applying member 3, so that the driving force receiving member 510 is avoided and meshed.
  • the driving force receiving member 510 with this structural arrangement does not need to be provided with an elastic member 511 in the developing box 500, and the structure of the developing box 500 will be further simplified; further, the driving force receiving member 510 and the driving gear 505 are clearance-matched, and the driving force receiving member 510 can swing relative to the driving gear 505 in a direction intersecting the left and right directions (radial direction), which greatly reduces the probability of interference with the power output part of the imaging device due to manufacturing errors or installation errors, and improves the driving force receiving member 510.
  • the elastic member 511 is constructed as a conical spring, specifically a conical coil spring, which abuts between the first limiting portion 521a constructed as a protrusion on the driving force receiving member 510 and the second positioning portion 521b1 constructed as a groove in the inner cavity of the driving gear 505.
  • the end with a smaller diameter of the conical coil spring is positioned on the first positioning portion 521a of the driving force receiving member 510, and the end with a larger diameter is positioned on the second positioning portion 521b1 of the driving gear 505.
  • the left and right ends of the conical coil spring are positioned, and when external force acts on the driving force receiving member 510, the driving force receiving member 510 can overcome the elastic force of the conical coil spring and move along the left and right The driving force receiving member 510 swings in the radial direction intersecting the left and right directions. At this time, the conical coil spring is twisted and deformed.
  • the elastic force stored in the conical coil spring is released and can be used to reset the driving force receiving member 510 after the radial movement, so that the rotation axis of the driving force receiving member 510 moves from a direction inclined with the left and right directions to a direction parallel with the left and right directions, that is, the driving force receiving member 510 and the driving gear 505 will be coaxial again.
  • the driving force receiving member 510 may be provided with a first positioning portion 521a constructed as a groove
  • the driving gear 505 may be provided with a second positioning portion 521b1 constructed as a protrusion
  • the elastic member 511 may be positioned in the same way. This is not a limitation.
  • the developing box 500 also includes a developing roller gear 506 that is directly engaged with the driving gear 505 and can receive a rotational driving force.
  • the developing roller gear 506 is arranged at the right end of the developing roller 503 and can drive the developing roller 503 to rotate; as well as a transfer gear 507 that is directly engaged with the driving gear 505 and a stirring frame gear 519 that is engaged with the transfer gear 507.
  • the stirring frame gear 519 is arranged at the right end of the stirring frame.
  • the stirring frame gear 519 can receive the rotational driving force of the driving gear 505 through the transfer gear 507 and rotate, thereby driving the stirring frame to rotate.
  • the developer cartridge 500 further includes first movable portions 520 respectively disposed at the left and right ends of the housing 501.
  • the first movable portions 520 are movably supported on the housing 501.
  • the first movable portions 520 disposed at the left and right ends of the housing 501 have substantially the same structure and position.
  • the first movable portion 520 disposed at the right end of the housing 501 is taken as an example for description.
  • a first track 521 configured as an arc-shaped groove and a stopper 509 configured as a protrusion disposed on the housing 501 at the rear end of the first track 521 are disposed on the driving side protective cover 501c.
  • a portion of the first movable portion 520 is mounted on the first track 521 and can move along the first track 5 21 preset path movement, in the process of moving away from the developing roller 503, it can be blocked by the limiting portion 509 and limited, so as to limit the movement stroke of the first movable portion 520; further, the first movable portion 520 is installed on the shell 501 in a slidable manner relative to the shell 501; the first movable portion 520 can move between a first position close to the developing roller 503 and a second position away from the developing roller 503 relative to the shell 501, when the first movable portion 520 is not subjected to external force, the developing box 500 is located in the first position; specifically, the first movable portion 520 includes a portion located at one side end (the lower end in this embodiment) of the first movable portion 520 and protruding from the shell
  • the force receiving portion outside the body 501 can receive the forced pushing force from the force-applying member 10 in the imaging device 1, and
  • the first clamping portion 520c When the developing box 500 is installed in the imaging device 1, the first clamping portion 520c is clamped on the imaging box In the movable guide rail 6 of the device 1, when the developing box 500 needs to be detected by the imaging device 1, the force applying member 10 applies force to the first force receiving portion 520a of the first movable portion 520 so that the first movable portion 520 moves backward from the first position to the second position relative to the shell 501. During the movement, the first clamping portion 520c can drive the movable guide rail 6 to swing backward, so that the contact portion 6a of the movable guide rail 6 touches the detection switch of the imaging device 1, thereby realizing the detection function.
  • the developing box 500 is still located in the first position, that is, the shell 501.
  • the driving force receiving member 510 supported on the shell 501 will remain stationary relative to the driving force applying member 3, and the driving force receiving member 510 and the driving force applying member 3 will always remain in an engaged state and will not disengage from each other. Therefore, compared with the prior art, this will avoid wear and interference between the two due to frequent engagement and disengagement.
  • a second elastic member 532 is further provided between the housing 501 and the first movable portion 520. Specifically, one end of the second elastic member 532 is connected to the driving side cover 501c, and the other end is connected to the upper end of the first movable portion 520 (i.e., the end away from the force receiving portion and opposite to the force receiving portion). Since the stirring frame gear 519 is arranged between the main body 501a of the housing 501 and the bearing member 508 in the left-right direction, that is, the stirring frame gear 519 is not arranged in the right side space of the bearing member 508, The right end of the bearing member 508 corresponding to the stirring rack gear 519 in the left-right direction is vacant, and the vacant space can be used to accommodate the second elastic member 532.
  • the second elastic member 532 and the stirring rack gear 519 have an overlapping portion.
  • the elastic force generated by the second elastic member 532 can act on the first movable portion 520 to keep the first movable portion 520 in the first position.
  • the receiving portion 520a is pushed by an external force, the first movable portion 520 can overcome the elastic force of the second elastic member 532 and move backward from the first position to the second position relative to the shell 501.
  • the force receiving portion of the first movable portion 520 in the second position is farther away from the developing roller 503 than the first movable portion 520 in the first position.
  • the elastic force of the second elastic member 532 is released and applied to the first movable portion 520, so that the first movable portion 520 is reset and moved from the second position to the first position.
  • the second elastic member 532 can be used to keep the first movable portion 520 in the first position when the first movable portion is not acted upon by an external force, and can also be used to reset and move the first movable portion 520 from the second position to the first position.
  • the second elastic member 532 is a tension spring. During the movement of the first movable portion 520, the second elastic member 532 connected to it at one end can swing along with the movement of the first movable portion 520 to prevent it from bending and affecting the connection stability between the two.
  • the developer cartridge 500 further includes a second movable portion 516 disposed at the lower side of the housing 501.
  • the second movable portion 516 is separately disposed from the first movable portion 520 and can move relative to the housing 501 in the installation direction of the developer cartridge 500.
  • the second movable portion 516 is configured as a slider, and a second track 517 configured as a slide groove is provided on the bearing member 508 of the housing 501.
  • the second track 517 generally extends in the installation direction of the developer cartridge 500.
  • the extension direction of the second track 517 can also be a direction intersecting the front-to-back direction, as long as it has a portion extending in the front-to-back direction.
  • the second movable portion 516 is installed on the second track
  • the second movable portion 516 is disposed on the second rail 517 and can move along a preset path of the second rail 517, that is, the second movable portion 516 can slide along the second rail 517 relative to the housing 501 in a direction close to or away from the developing roller 503, and, in the installation direction of the developing box 500, the upstream side and the downstream side of the second rail 517 are both provided with a blocking portion 531 for blocking and limiting the moving stroke of the second movable portion 516, and the blocking portion 531 can block the second movable portion 516 to limit the movement of the second movable portion 516 within a certain range.
  • a first elastic member 515 is connected between the housing 501 and the second movable portion 516, that is, a first connecting portion at one end of the first elastic member 515 is connected to the housing 501, and a second connecting portion at the other end is connected to the second movable portion 516, and the first connecting portion of the first elastic member 515 is located at the rear side of the second connecting portion.
  • the first connecting portion is located at the upstream side of the second connecting portion; preferably, the first elastic member 515 is a tension spring, and the first connecting portion and the second connecting portion are configured as hooks, which can be hooked on the housing 501 and the second movable portion 516 respectively to be positioned, and between a pair of hooks, the first elastic member 5
  • the first movable part 520 also includes a deformable part 115a connecting the first connecting part and the second connecting part.
  • the deformable part 115a is constructed as a plurality of coils arranged along the length direction of the tension spring.
  • the first movable part 520 When viewed from right to left, the first movable part 520 covers at least a portion of the deformable part 115a of the first elastic member 515. In other words, the first movable part 520 and the deformable part 115a of the first elastic member 515 have an overlapping portion.
  • the elastic force generated by the first elastic member 515 can act on the second movable part 516 to make it abut against the blocking part 531 on the upstream side and keep it at this position.
  • this position is defined as the second The first position of the movable part 516, when the second movable part 516 is in the first position, the projection range of the first elastic member 515 along the left-right direction is outside the projection range of the stirring rack gear 519.
  • the first elastic member 515 and the stirring rack gear 519 are spaced apart, so that the first elastic member 515 can be as far away from the stirring rack gear 519 as possible, avoiding the interference of various components caused by setting too many components at the position covered by the stirring rack gear 519 in the left-right direction, so that the various components can be arranged at the right end of the shell 501 in a relatively uniform manner, and the second force contact of the first movable part 520 is formed.
  • the first movable portion 520 arranged in the above position can overcome the elastic force of the second elastic member 532 to move forward and push the second movable portion 516 to move from the first position to the third position.
  • the force receiving portion of the first movable portion 520 in the third position is closer to the developing roller 503 than the first movable portion 520 in the first position.
  • the second movable portion 516 can overcome the elastic force of the first elastic member 515 and move along the second track 517 from the first position to the second position closer to the developing roller 503 relative to the first position.
  • the elastic force generated by the deformation of the first elastic member 515 will be applied to the shell 501, and the elastic force has a component force toward the direction close to the developing roller 503, which makes the developing roller 503 supported on the shell 501 press forward to the photosensitive drum 23, and the two maintain contact with a certain pressure F to ensure that the developing box 500 develops the image normally.
  • the developing box 500 is in the second position.
  • the moving distance is small and the driving force receiving member 510 has a certain swingable amount in the radial direction, which will not be enough to make the driving force receiving member 510 disengage from the driving force applying member 3.
  • the driving force receiving member 510 and the driving force applying member 3 still maintain an engaged state. It is worth mentioning that during the movement of the second movable part 516, the stretching direction of the first elastic member 515 when being stretched is roughly parallel to the moving direction of the second movable part 516, which makes the extension direction of the length of the first elastic member 515 generally remain unchanged during the movement of the second movable part 516, and the force transmission direction will not change with the movement of the second movable part 516, and the elastic force transmitted to the developing roller 503 becomes stable and controllable.
  • the developing box 500 in the present invention is driving the movable rail 6 to be detected by the imaging device 1, or the developing roller 503 is in contact with the photosensitive drum 23 with a certain pressure F, the driving force receiving member 510 of the developing box 500 and the driving force applying member 3 are always kept in an engaged state. Compared with the prior art, this will avoid wear and interference between the two due to frequent engagement and disengagement.
  • FIG. 35 a developing box 600 is shown.
  • the parts of the developing box 600 that are the same as those in the sixth embodiment will not be described in detail in this embodiment.
  • the difference is that the first movable part 620 in this embodiment is rotatable relative to the housing 601, that is, the first movable part 620 is rotatable between the first position, the second position and the third position.
  • the first movable part 620 is a lever having a rotation center 620d. When viewed from the left and right directions, the rotation center 620d is located on the first movable part 620.
  • the first movable part 620 is used to install the second elastic member 63 2 is arranged between the force receiving portion and the rotation center 220d; further, the rotation center 620d is located at one end of the length direction of the first movable portion 620, that is, the rotation center 220d is arranged on the other end (and the upper end) of the first movable portion 620 opposite to the first force receiving portion 620a.
  • the first movable portion 620 can force the first clamping portion 620c to rotate a sufficient angle during the process of rotating from the first position to the second position, thereby driving the movable guide rail 6 to swing backward, so that the touching portion 6a of the movable guide rail 6 can touch the detection switch of the imaging device 1 to realize the detection function.
  • it can also make the first movable portion 620 rotate upward.
  • the displacement distance on one side where the rotation center 620d is located becomes small enough to avoid the first movable part 620 from interfering with the transmission gear during the rotation process; the action process of the first movable part 620 when the first movable part 620 pushes the second movable part 616 will not be described here. Therefore, by setting the first movable part 620 to be rotatable relative to the housing 601, the related functions of the above-mentioned developing cartridge can also be realized.
  • Example 7 of the present invention will be introduced.
  • a developing box 700 is shown.
  • the parts of the developing box 700 that are the same as the developing boxes in the above-mentioned Examples 5-6 will not be repeated in this embodiment.
  • the difference is that only one elastic member, namely the second elastic member 740, is arranged in the developing box 700.
  • the developing box 700 will be described in detail.
  • the first movable portion 720 of the developing box 700 is the same as the first movable portion in Example 6. Both of them can rotate around the rotation center 720d relative to the shell 701. It will not be repeated here.
  • it can also be a structure in which the first movable portion in Example 5 can slide relative to the shell, which is not limited.
  • a groove portion 701f is also provided at the right end of the shell 701, which is recessed inward from the right end surface of the shell 701. When viewed from right to left, the shape of the groove portion 710f is generally fan-shaped, and a third track 701 constructed in an arc shape is also provided at the bottom of the groove portion 310f.
  • the developing box 700 also includes a first mounting position 701d protruding outward from the right end of the shell 701 and arranged in the up and down directions between the rotation center 720d and the third track 701e, and a second mounting position 720e arranged on the first movable part 720 and protruding toward the left end of the shell 701.
  • the second mounting position 720e can be inserted into the third track 701e to position the first movable part 720, so that the first movable part 720 can move along the preset path of the third track 701e.
  • the second elastic member 740 is rotatably mounted on the shell 701 relative to the shell 701, and at least a portion of the second elastic member 740 is located in the groove 701f to avoid interference with components such as the transfer gear of the developer box 700 during rotation. Both ends of the second elastic member 740 in the length direction are mounted between the first mounting position 701d and the second mounting position 720e and are positioned; in the left and right directions, the force receiving portion of the second elastic member 740 relative to the first movable portion 720 is arranged at a position closer to the left end of the shell 701, thereby ensuring that the second elastic member 740 can be accommodated in the groove 701f to avoid interference.
  • the first movable part 720 when the first movable part 720 is not acted upon by an external force, the first movable part 720 is in the first position. At this time, the second elastic member 740 is not stretched, and the state of the first movable part 720 in the first position is maintained.
  • the first movable part 720 rotates from the first position to the second position, In the embodiment, the second elastic member 740 rotates in the same direction as the rotation direction of the first movable portion 720 in response to the rotation of the first movable portion 720 and is gradually stretched.
  • the elastic force generated by the stretching can be used to reset the first movable portion 720 after the driving force acting on the first movable portion 720 is removed, so that it moves from the second position to the first position again; when the first movable portion 720 moves from the first position to the third position, the second elastic member 740 is also stretched to generate an elastic force, which can act on the housing 701, so that the developing roller 703 supported on the housing 701 is pressed toward the photosensitive drum, The developing roller 703 and the photosensitive drum are thereby kept in contact with each other at a certain pressure. That is to say, the second elastic member 740 can provide pressure for the contact between the developing roller 703 and the photosensitive drum after being stretched.
  • the first movable portion 720 when the first movable portion 720 is not subjected to force, it is maintained in the first position by the action of the second elastic member 740.
  • the second elastic member 740 When the first movable portion 720 is subjected to force and moves from the first position to the second position, the second elastic member 740 will be stretched and deformed, and the elastic force generated by the second elastic member 740 can reset the first movable portion 720.
  • the second elastic member 740 When the first movable portion 720 is subjected to force and rotates from the first position to the third position, the second elastic member 740 will also be stretched and deformed, and the elastic force generated by the second elastic member 740 can reset the first movable portion 720.
  • the elastic force can be used to force the developing roller 703 to maintain pressure contact with the photosensitive drum; further, the length of the first mounting position 701d from the second mounting position 720e of the first movable part 720 when it is in the first position is L1, the length of the first mounting position 701d from the second mounting position 720e of the first movable part 720 when it is in the second position is L2, and the length of the first mounting position 701d from the second mounting position 720e of the first movable part 720 when it is in the third position is L3, wherein L2>L3>L1.
  • the second elastic force can be used to force the developing roller 703 to maintain pressure contact with the photosensitive drum; further, the length of the first mounting position 701d from the second mounting position 720e of the first movable part 720 when it is in the first position is L1, the length of the first mounting position 701d from the second mounting position 720e of the first movable part 720 when it is in the second position is L2, and the length of the first mounting position 701d from the second mounting position 720e of the first movable part 720 when it is in the third position is L3.
  • the length of the member 740 is P1.
  • the length of the second elastic member 740 is P2.
  • the length of the second elastic member 740 is P3.
  • the developing box 700 in this embodiment can achieve the above-mentioned function by using only a second elastic member 740 that can rotate in response to the movement of the first movable part 720. Compared with the previous embodiment, the number of elastic members used is reduced, the production cost is reduced, and the assembly speed of the developing box is improved.
  • the driving force receiving member and the driving force applying member will not be disengaged from each other but will always remain in an engaged state. Compared with the prior art, this will avoid wear and interference caused by frequent engagement and disengagement between the two.
  • the extension direction of the length of the elastic member remains basically unchanged, that is, it always maintains a roughly straight extension, and the transmission of elastic force becomes stable. Therefore, the contact pressure between the developing roller and the photosensitive drum is more stable, which helps to improve the printing quality of the developing box.

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Abstract

A developing cartridge (100), which is detachably installed in an imaging device having a force application member (10), where the developing cartridge (100) comprises: a housing (101), which is able to accommodate a developer, the housing (101) having a first end and a second end opposite to the first end in the first direction; a developing roller (102), which is rotatably supported on the housing (101) and is capable of rotating around an axis of rotation of the developing roller extending in the first direction; a driving force receiving member (103), which is arranged at the first end of the housing (101) in the first direction, the driving force receiving member (103) being configured to transfer a driving force to the developing roller (102); and a first movable part (110), which can receive a pushing force applied by the force application member (10) and move relative to the housing (101). When the developing cartridge (100) is installed in the imaging device, the first movable part (110) is located at the bottom of the housing (101). The developing cartridge (100) further comprises a first elastic member (111), and the first elastic member (111) can be elongated and deformed in response to movement of the first movable part (110).

Description

一种显影盒A developing box 技术领域Technical Field
本发明涉及电子照相成像技术领域,尤其涉及一种显影盒。The invention relates to the technical field of electronic photographic imaging, and in particular to a developing box.
背景技术Background technique
在传统的成像设备中,能够作用在感光鼓上的处理装置(即显影盒)和感光鼓被一体化成为盒,盒可拆卸地安装至成像设备上,根据这种盒的类型,可由使用者进行装置的维护操作,而无需依赖服务人员,由此显著地改善了操作性,所以,这种盒类型被广泛应用在成像设备中。在打印过程中,承载图像信息的光被投射到感光鼓上,而在感光鼓上形成静电潜像,通过显影盒的承载有显影剂的显影辊对该静电潜像进行显影,形成在感光鼓上的已显影的图像被转印到记录材料上,由此,图像得以形成在记录材料上。In conventional imaging devices, a processing device (i.e., a developing cartridge) that can act on a photosensitive drum and a photosensitive drum are integrated into a cartridge, and the cartridge is detachably mounted on the imaging device. Depending on the type of cartridge, the user can perform maintenance operations on the device without relying on service personnel, thereby significantly improving operability. Therefore, this type of cartridge is widely used in imaging devices. During the printing process, light carrying image information is projected onto the photosensitive drum, and an electrostatic latent image is formed on the photosensitive drum. The electrostatic latent image is developed by a developing roller carrying a developer of the developing cartridge, and the developed image formed on the photosensitive drum is transferred to the recording material, thereby forming an image on the recording material.
如图21-25所示,现有技术中示出了一种成像设备1和可拆卸的安装至成像设备1中的显影盒11和感光盒,其中,感光盒包括可旋转的感光鼓23,显影盒11包括可容纳显影剂的壳体12和支撑在壳体12上的显影辊13、驱动力接收构件(未示出),驱动力接收构件可与成像设备1中的驱动力施加构件3耦合并接收其输出的旋转驱动力以旋转显影辊13;显影盒11上还设置有可接收外力并可相对于壳体12旋转的杠杆14以及设置在壳体12和杠杆14之间的压缩弹簧15;一方面,为实现显影盒11在安装完成后触发成像设备1的检测开关实现检测功能,杠杆14构造为可接收外力F2后带动壳体12朝着远离感光鼓23的方向移动,从而壳体12可触发成像设备1的检测开关,但是,正因为壳体12的移动,壳体12同样会带动驱动力接收构件与驱动力施加构件32脱离啮合,二者不再同轴,频繁的啮合和接触啮合不但易磨损驱动力接收构件,也使得二者在啮合时易发生安装干涉。另一方面,在显影盒11执行打印工作时,显影辊13需与感光鼓23保持一定压力接触以防止发生打印品质问题,在显影盒500中,杠杆14还可利用压缩弹簧受压变形后的产生的弹性力使得显影辊13以一定压力接触感光鼓23以实现二者之间的压力接触,但是,由于该弹簧为压缩弹簧,在显影盒11工作过程中,旋转后的杠杆14不仅会迫推压缩弹簧15使其在长度方向上出现压缩变形,而且正因为杠杆14的旋转,杠杆14在迫推压缩弹簧15时其施加的迫推力的方向会随着杠杆的旋转时刻发生变化,导致压缩弹簧发生扭曲变形,这将使得 显影盒11左右两端的压缩弹簧15的扭曲变形程度不易精确控制亦或是不可控,进而易出现压缩弹簧15出现不同的情况,最终显影辊13和感光鼓23左右两端的接触压力难以相同,因此,显影盒的打印品质难以得到保证。As shown in Figures 21-25, the prior art shows an imaging device 1 and a developing box 11 and a photosensitive box detachably installed in the imaging device 1, wherein the photosensitive box includes a rotatable photosensitive drum 23, the developing box 11 includes a shell 12 that can accommodate a developer and a developing roller 13 supported on the shell 12, and a driving force receiving member (not shown), the driving force receiving member can be coupled with a driving force applying member 3 in the imaging device 1 and receive the rotational driving force outputted by the driving force applying member 3 to rotate the developing roller 13; the developing box 11 is also provided with a lever 14 that can receive an external force and can rotate relative to the shell 12, and a lever 14 provided on the shell 12. 2 and the compression spring 15 between the lever 14; on the one hand, in order to realize the detection function of the developing box 11 triggering the detection switch of the imaging device 1 after the installation is completed, the lever 14 is constructed to receive the external force F2 and drive the shell 12 to move in the direction away from the photosensitive drum 23, so that the shell 12 can trigger the detection switch of the imaging device 1. However, because of the movement of the shell 12, the shell 12 will also drive the driving force receiving member and the driving force applying member 32 to disengage, and the two are no longer coaxial. Frequent engagement and contact engagement not only easily wears the driving force receiving member, but also makes it easy for the two to interfere with each other during installation. On the other hand, when the developing box 11 performs printing work, the developing roller 13 needs to maintain a certain pressure contact with the photosensitive drum 23 to prevent printing quality problems. In the developing box 500, the lever 14 can also use the elastic force generated by the compression spring after being compressed and deformed to make the developing roller 13 contact the photosensitive drum 23 with a certain pressure to achieve pressure contact between the two. However, since the spring is a compression spring, during the operation of the developing box 11, the rotating lever 14 will not only force the compression spring 15 to cause compression deformation in the length direction, but also because of the rotation of the lever 14, the direction of the forced thrust applied by the lever 14 when pushing the compression spring 15 will change with the rotation moment of the lever, causing the compression spring to twist and deform, which will cause The degree of twisting deformation of the compression springs 15 at the left and right ends of the developer box 11 is difficult to accurately control or is uncontrollable, which may easily lead to different conditions of the compression springs 15. Finally, the contact pressures at the left and right ends of the developing roller 13 and the photosensitive drum 23 are difficult to be the same. Therefore, the printing quality of the developer box is difficult to guarantee.
发明内容Summary of the invention
为解决上述问题,本发明提供了一种新的显影盒,主要是通过以下技术方案来实现的:In order to solve the above problems, the present invention provides a new developing box, which is mainly achieved by the following technical solutions:
一种显影盒,可拆卸的安装在具有施力件的成像设备中,所述显影盒包括:A developing box is detachably mounted in an imaging device having a force applying member, the developing box comprising:
壳体,可容纳显影剂,在第一方向上所述壳体具有第一端和与第一端相对的第二端;A housing, capable of accommodating a developer, wherein the housing has a first end and a second end opposite to the first end in a first direction;
显影辊,可旋转的支撑在所述壳体上,并可绕沿第一方向延伸的显影辊旋转轴线旋转;A developing roller rotatably supported on the housing and rotatable about a developing roller rotation axis extending along a first direction;
驱动力接收构件,在第一方向上布置在所述壳体的第一端,所述驱动力接收构件配置成传递驱动力至所述显影辊;a driving force receiving member disposed at a first end of the housing in a first direction, the driving force receiving member being configured to transmit a driving force to the developing roller;
第一可动部,可接收所述施力件施加的推动力而能相对于所述壳体移动,当所述显影盒安装在所述成像设备中,所述第一可动部位于所述壳体的底部;a first movable portion, which can receive the pushing force applied by the force applying member and can move relative to the housing, and when the developing cartridge is installed in the imaging device, the first movable portion is located at the bottom of the housing;
所述显影盒还包括第一弹性件,所述第一弹性件可响应于所述第一可动部的移动而被拉伸变形。The developing box further includes a first elastic member that can be stretched and deformed in response to the movement of the first movable portion.
进一步的,在与第一方向交叉的方向上,所述第一弹性件的至少一部分相比于所述第一可动部更远离所述显影辊。Further, in a direction intersecting the first direction, at least a portion of the first elastic member is farther away from the developing roller than the first movable portion.
进一步的,所述第一弹性件分别布置在所述壳体的第一端和第二端,当所述第一可动部接收所述施力件的推动力移动后时,位于所述壳体第一端和第二端的所述第一弹性件的弹性力相等。Furthermore, the first elastic member is arranged at the first end and the second end of the shell respectively, and when the first movable part receives the driving force of the force applying member and moves, the elastic forces of the first elastic member located at the first end and the second end of the shell are equal.
进一步的,所述第一弹性件分别布置在所述壳体的第一端和第二端,当所述第一可动部接收所述施力件的推动力移动后时,位于所述壳体第一端的所述第一弹性件的弹性力小于位于所述壳体第二端的所述第一弹性件的弹性力。Furthermore, the first elastic member is respectively arranged at the first end and the second end of the shell. When the first movable part receives the pushing force of the force-applying member and moves, the elastic force of the first elastic member located at the first end of the shell is smaller than the elastic force of the first elastic member located at the second end of the shell.
进一步的,所述第一弹性件为拉簧。Furthermore, the first elastic member is a tension spring.
进一步的,所述第一可动部可绕支点相对于所述壳体移动,所述第一可动部包括可接收所述施力件的推动力的力接收部,以及连接所述第一弹性件的弹性件安装位,所述支点位于所述力接收部和所述弹性件安装位之间,所述力接收部和所述 弹性件安装位分别设置在所述第一可动部长度方向的两端。Further, the first movable part can move relative to the housing around a fulcrum, the first movable part includes a force receiving part that can receive the pushing force of the force applying part, and an elastic member mounting position connected to the first elastic member, the fulcrum is located between the force receiving part and the elastic member mounting position, and the force receiving part and the elastic member mounting position are connected to each other. The elastic member installation positions are respectively arranged at two ends of the first movable part in the length direction.
进一步的,所述壳体包括上壳体和下壳体以及作为连接所述上壳体和所述下壳体的第一接合部和第二接合部,所述第一接合部位于所述显影盒安装方向的下游侧并构造为从所述壳体的第一端延伸至第二端,所述第二接合部位于所述显影盒安装方向的上游侧并构造为从所述壳体的第一端延伸至第二端;在与第一方向交叉的方向上,作一条连接所述第一接合部和所述第二接合部的线段,所述线段穿过所述第一弹性件。Furthermore, the shell includes an upper shell and a lower shell and a first joint portion and a second joint portion connecting the upper shell and the lower shell, the first joint portion is located on the downstream side of the developing box installation direction and is constructed to extend from the first end of the shell to the second end, and the second joint portion is located on the upstream side of the developing box installation direction and is constructed to extend from the first end of the shell to the second end; in a direction intersecting the first direction, a line segment connecting the first joint portion and the second joint portion is made, and the line segment passes through the first elastic member.
进一步的,所述显影盒还包括用于搅拌显影剂的搅拌架以及连接在所述搅拌架一端并可驱动所述搅拌架旋转的搅拌架齿轮,沿着第一方向投影,所述第一弹性件与所述搅拌架齿轮具有重叠部分。Furthermore, the developing box also includes a stirring frame for stirring the developer and a stirring frame gear connected to one end of the stirring frame and capable of driving the stirring frame to rotate. When projected along the first direction, the first elastic member and the stirring frame gear have an overlapping portion.
进一步的,所述驱动力接收构件可在第一方向上移动,在所述驱动力接收构件和所述壳体之间还设置有弹性构件,所述弹性构件产生的弹性力可施加至所述驱动力接收构件上。Further, the driving force receiving member is movable in a first direction, and an elastic member is further provided between the driving force receiving member and the housing, and an elastic force generated by the elastic member can be applied to the driving force receiving member.
进一步的,所述显影盒还包括与所述驱动力接收构件同轴设置并可响应于所述驱动力接收构件的旋转而旋转的驱动齿轮,所述驱动齿轮与所述驱动力接收构件为间隙配合而能在与第一方向交叉的方向上移动,并且所述弹性构件构造为圆锥螺旋弹簧。Furthermore, the developing box also includes a driving gear coaxially arranged with the driving force receiving member and capable of rotating in response to the rotation of the driving force receiving member, the driving gear and the driving force receiving member are clearance-fitted and can move in a direction intersecting the first direction, and the elastic member is constructed as a conical coil spring.
进一步的,所述成像设备包括可移动导轨,所述第一可动部接收所述施力件的推动力相对于所述壳体移动后可驱动所述可移动导轨移动;所述显影盒还包括与所述第一可动部分体设置并与所述第一弹性件连接的第二可动部,所述第二可动部可响应于所述第一可动部的移动而相对于壳体移动,进而可带动所述第一弹性件拉伸变形。Furthermore, the imaging device includes a movable guide rail, and the first movable part can drive the movable guide rail to move after receiving the pushing force of the force-applying member and moving relative to the shell; the developing box also includes a second movable part that is separately arranged with the first movable part and connected to the first elastic member, and the second movable part can move relative to the shell in response to the movement of the first movable part, thereby driving the first elastic member to stretch and deform.
进一步的,所述第一可动部和所述第二可动部均可滑动的安装在所述壳体上。Furthermore, the first movable part and the second movable part can be slidably mounted on the housing.
进一步的,所述第一弹性件包括分别连接在所述壳体上的第一连接部和连接在所述第二可动部上的第二连接部,以及连接所述第一连接部和所述第二连接部并能发生形变的可形变部,沿着第一方向进行投影,所述可形变部与所述第一可动部具有重叠部分。Furthermore, the first elastic member includes a first connecting portion connected to the shell and a second connecting portion connected to the second movable portion, and a deformable portion connecting the first connecting portion and the second connecting portion and capable of deformation. When projected along the first direction, the deformable portion has an overlapping portion with the first movable portion.
进一步的,所述显影盒还包括搅拌架和设置在所述搅拌架一末端并可驱动所述搅拌架旋转的搅拌架齿轮,当所述第一可动部未受到所述施力件的推动力作用时, 沿着第一方向投影,所述第一弹性件的投影范围位于所述搅拌架齿轮的投影范围之外。Furthermore, the developing box further comprises a stirring frame and a stirring frame gear disposed at one end of the stirring frame and capable of driving the stirring frame to rotate. When the first movable portion is not acted upon by the driving force of the force applying member, Projected along the first direction, the projection range of the first elastic member is outside the projection range of the stirring frame gear.
进一步的,所述第一可动部可绕位于所述第一可动部上的旋转中心相对于所述壳体进行旋转。Furthermore, the first movable part can rotate relative to the housing around a rotation center located on the first movable part.
进一步的,所述显影盒还包括连接在所述第一可动部上的第二弹性件,所述第二弹性件可将所述第一可动部复位移动至接收所述施力件的推动力前的位置。Furthermore, the developing box also includes a second elastic member connected to the first movable part, and the second elastic member can reset the first movable part to a position before receiving the pushing force of the force applying member.
进一步的,所述第二弹性件可响应于所述第一可动部的移动而相对于所述壳体旋转。Furthermore, the second elastic member may rotate relative to the housing in response to the movement of the first movable portion.
进一步的,所述第一可动部包括用于接收所述施力件的推动力的力接收部,所述第一可动部可在第一位置、第二位置和第三位置之间移动,当所述第一可动部未受到外力作用时处于所述第一位置,所述第一弹性件的长度为P1;当所述第一可动部处于所述第二位置时,所述第一弹性件的长度为P2,所述力接收部位于所述第二位置相比于位于所述第一位置和所述第三位置更远离所述显影辊;当所述第一可动部处于所述第三位置时,所述第一弹性件的长度为P3,所述力接收部位于所述第三位置相比于位于所述第一位置和所述第二位置更靠近所述显影辊,其中,P2>P3>P1。Furthermore, the first movable part includes a force receiving part for receiving the pushing force of the force-applying part, and the first movable part can move between a first position, a second position and a third position. When the first movable part is not acted upon by an external force, it is in the first position, and the length of the first elastic part is P1; when the first movable part is in the second position, the length of the first elastic part is P2, and the force receiving part is located at the second position farther away from the developing roller than at the first position and the third position; when the first movable part is in the third position, the length of the first elastic part is P3, and the force receiving part is located at the third position closer to the developing roller than at the first position and the second position, wherein P2>P3>P1.
本发明中的显影盒通过在可动部上连接有构造为拉簧的弹性件,在可动部受力被迫推后,拉簧发生弯曲变形量小甚至不会发生弯曲变形,其产生的弹性力可稳定的用于迫推显影盒,使得显影辊与感光鼓以稳定且平衡的压力进行接触,有助于提高显影盒的打印品质。The developing box in the present invention has an elastic member configured as a tension spring connected to the movable part. After the movable part is forced to push, the tension spring undergoes little bending deformation or even no bending deformation. The elastic force generated by the tension spring can be stably used to force the developing box to push, so that the developing roller and the photosensitive drum are in contact with a stable and balanced pressure, which helps to improve the printing quality of the developing box.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1是本发明实施例1中显影盒某一角度示意图;1 is a schematic diagram of a developing cartridge at a certain angle in Embodiment 1 of the present invention;
图2是本发明实施例1中显影盒另一角度示意图;2 is a schematic diagram of the developing cartridge in Embodiment 1 of the present invention from another angle;
图3是本发明实施例1中驱动侧护盖从显影盒中拆卸下来的示意图;3 is a schematic diagram of the driving side protective cover being removed from the developing cartridge in Embodiment 1 of the present invention;
图4是本发明实施例1中显影盒的驱动侧分解示意图;4 is an exploded schematic diagram of the driving side of the developing cartridge in Embodiment 1 of the present invention;
图5是本发明实施例1中显影盒处于第一位置时示意图;5 is a schematic diagram of the developing cartridge in Embodiment 1 of the present invention when it is in the first position;
图6是本发明实施例1中显影盒处于第二位置时示意图;6 is a schematic diagram of the developing cartridge in Embodiment 1 of the present invention when it is in the second position;
图7是本发明实施例1中显影盒处于第三位置时示意图;7 is a schematic diagram of the developing cartridge in Embodiment 1 of the present invention when it is in the third position;
图8是本发明实施例2中显影盒示意图; 8 is a schematic diagram of a developing cartridge in Embodiment 2 of the present invention;
图9是本发明实施例3中显影盒示意图;9 is a schematic diagram of a developing cartridge in Embodiment 3 of the present invention;
图10是本发明实施例4中显影盒示意图;10 is a schematic diagram of a developing cartridge in Embodiment 4 of the present invention;
图11是本发明实施例4中驱动侧护盖从显影盒中分解出来后显影盒示意图;11 is a schematic diagram of the developing cartridge after the driving side protective cover is decomposed from the developing cartridge in Embodiment 4 of the present invention;
图12是本发明实施例4中显影盒的驱动组件示意图;12 is a schematic diagram of a driving assembly of a developing cartridge in Embodiment 4 of the present invention;
图13是本发明实施例4中显影盒的驱动组件分解示意图;13 is an exploded schematic diagram of a driving assembly of a developing cartridge in Embodiment 4 of the present invention;
图14是本发明实施例4中可动部未受外力作用时显影盒示意图;14 is a schematic diagram of the developing cartridge when the movable portion is not subjected to an external force in Embodiment 4 of the present invention;
图15是本发明实施例4中可动部受到外力作用时显影辊与感光鼓以一定压力接触时显影盒示意图;15 is a schematic diagram of the developing cartridge when the developing roller contacts the photosensitive drum with a certain pressure when the movable portion is acted upon by an external force in Embodiment 4 of the present invention;
图16是本发明实施例4中可动部受到外力作用时显影辊与感光鼓分离时显影盒示意图;16 is a schematic diagram of the developing cartridge when the developing roller is separated from the photosensitive drum when the movable portion is subjected to an external force in Embodiment 4 of the present invention;
图17是本发明实施例4中壳体示意图;FIG17 is a schematic diagram of a housing in Embodiment 4 of the present invention;
图18是本发明实施例4中上壳体和下壳体分离时示意图;18 is a schematic diagram of the upper shell and the lower shell separated in Example 4 of the present invention;
图19是本发明实施例4中传递齿轮与弹性件的位置关系示意图;19 is a schematic diagram of the positional relationship between the transmission gear and the elastic member in Example 4 of the present invention;
图20是本发明实施例4中驱动齿轮、弹性构件、驱动力接收构件的分解示意图;20 is an exploded schematic diagram of a drive gear, an elastic member, and a drive force receiving member in Embodiment 4 of the present invention;
图21是现有技术中显影辊与感光鼓分离时显影盒示意图;21 is a schematic diagram of a developing box when the developing roller is separated from the photosensitive drum in the prior art;
图22是现有技术中显影辊与感光鼓以一定压力接触时显影盒示意图;22 is a schematic diagram of a developing cartridge when the developing roller contacts the photosensitive drum with a certain pressure in the prior art;
图23是本发明实施例5中成像设备某一角度示意图;FIG23 is a schematic diagram of an imaging device at a certain angle in Embodiment 5 of the present invention;
图24是本发明实施例5中成像设备另一角度示意图;FIG24 is a schematic diagram of an imaging device from another angle in Embodiment 5 of the present invention;
图25是本发明实施例5中成像设备还一角度示意图;FIG25 is a schematic diagram of an imaging device from another angle in Embodiment 5 of the present invention;
图26是本发明实施例5中处理盒安装在成像设备中的示意图;26 is a schematic diagram of a process cartridge installed in an imaging device in Embodiment 5 of the present invention;
图27是本发明实施例5中显影盒示意图;Figure 27 is a schematic diagram of a developing cartridge in Example 5 of the present invention;
图28是本发明实施例5中驱动侧护盖从显影盒中分解出来的显影盒某一角度示意图;28 is a schematic diagram of a developing cartridge at a certain angle in which the driving side protective cover is decomposed from the developing cartridge in Embodiment 5 of the present invention;
图29是本发明实施例5中驱动侧护盖从显影盒中分解出来的显影盒另一角度示意图;29 is a schematic diagram of the developing cartridge from another angle in which the driving side protective cover is decomposed from the developing cartridge in Embodiment 5 of the present invention;
图30是本发明实施例5中显影盒右端分解示意图;Figure 30 is an exploded schematic diagram of the right end of the developing cartridge in Example 5 of the present invention;
图31是本发明实施例5中驱动力接收构件、弹性构件和驱动齿轮分解示意图; 31 is an exploded schematic diagram of a driving force receiving member, an elastic member and a driving gear in Embodiment 5 of the present invention;
图32是本发明实施例5中第一可动部未受到外力作用时显影盒示意图;32 is a schematic diagram of the developing cartridge when the first movable portion is not subjected to an external force in Embodiment 5 of the present invention;
图33是本发明实施例5中第一可动部被成像设备检测时显影盒示意图;33 is a schematic diagram of the developing cartridge when the first movable portion is detected by the imaging device in Embodiment 5 of the present invention;
图34是本发明实施例5中显影辊与感光鼓以一定压力保持接触时显影盒示意图;34 is a schematic diagram of a developing cartridge when the developing roller and the photosensitive drum are kept in contact with each other at a certain pressure in Embodiment 5 of the present invention;
图35是本发明实施例6中显影盒某一角度示意图;Figure 35 is a schematic diagram of a developing cartridge at a certain angle in Example 6 of the present invention;
图36是本发明实施例7中显影盒示意图;Figure 36 is a schematic diagram of a developing cartridge in Example 7 of the present invention;
图37是本发明实施例7中显影盒右端分解示意图;Figure 37 is an exploded schematic diagram of the right end of the developing cartridge in Example 7 of the present invention;
图38是本发明实施例7中第一可动部处于第一位置时示意图;38 is a schematic diagram of the first movable portion in Example 7 of the present invention when it is in the first position;
图39是本发明实施例7中第一可动部处于第二位置时示意图;39 is a schematic diagram of the first movable portion in Example 7 of the present invention when it is in the second position;
图40是本发明实施例7中第一可动部处于第三位置时示意图。Figure 40 is a schematic diagram of the first movable part in embodiment 7 of the present invention when it is in the third position.
具体实施方式Detailed ways
实施例1Example 1
如图1-7所示,示出了本发明实施例1中的一种显影盒100,显影盒100可拆卸的安装至具有施力件10的成像设备中,在显影盒100安装在成像设备中时,施力件10在上下方向(第三方向)上布置在显影盒100的下侧,并且,施力件10可在前后方向(第二方向)上移动并迫推显影盒100;具有感光鼓2的感光单元同样可拆卸的安装于该成像设备中,显影盒100和感光单元共同安装在成像设备中时,二者可与成像设备配合执行打印工作。As shown in Figures 1-7, a developing box 100 in Example 1 of the present invention is shown. The developing box 100 can be detachably installed in an imaging device having a force-applying member 10. When the developing box 100 is installed in the imaging device, the force-applying member 10 is arranged on the lower side of the developing box 100 in the up and down direction (the third direction), and the force-applying member 10 can move in the front and back direction (the second direction) and force the developing box 100; the photosensitive unit having a photosensitive drum 2 is also detachably installed in the imaging device. When the developing box 100 and the photosensitive unit are installed together in the imaging device, the two can cooperate with the imaging device to perform printing work.
为便于描述,定义显影盒100的长度方向为左右方向(第一方向),驱动力接收构件103(下文将描述)在左右方向上位于显影盒100的右侧,右侧也称之为显影盒100的驱动侧,与驱动侧相对的一侧的为非驱动侧。显影盒100包括壳体101,壳体101包括可容纳显影剂的主体部分106以及可拆卸的设置在主体部分106右侧的驱动侧护盖104和左侧的非驱动侧护盖105;显影盒100还包括支撑在壳体101上的显影辊102,以及设置在设置在壳体101右侧的驱动力接收构件103,驱动力接收构件103可接收成像设备的驱动件(未示出)的驱动力绕沿左右方向延伸的旋转轴线旋转,并可驱动显影辊102同样绕沿左右方向延伸的旋转轴线旋转,在左右方向上驱动力接收构件103固定安装在显影盒100中;作为轴承的轴承件107可拆卸的安装在主体部分106的右侧,其可用于支撑显影辊102的右侧及显影盒100齿轮系,值得注意的是,本实施例中的主体部分106、 驱动侧护盖104、非驱动侧护盖105和轴承件107均属于壳体101的一部分。For ease of description, the length direction of the developing box 100 is defined as the left-right direction (first direction), and the driving force receiving member 103 (to be described below) is located on the right side of the developing box 100 in the left-right direction. The right side is also referred to as the driving side of the developing box 100, and the side opposite to the driving side is the non-driving side. The developing box 100 includes a shell 101, which includes a main body 106 for accommodating developer, a drive side protective cover 104 detachably arranged on the right side of the main body 106, and a non-drive side protective cover 105 on the left side; the developing box 100 also includes a developing roller 102 supported on the shell 101, and a driving force receiving member 103 arranged on the right side of the shell 101, the driving force receiving member 103 can receive the driving force of a driving member (not shown) of the imaging device to rotate around a rotation axis extending in the left-right direction, and can drive the developing roller 102 to rotate around the rotation axis extending in the left-right direction, and the driving force receiving member 103 is fixedly installed in the developing box 100 in the left-right direction; the bearing member 107 as a bearing is detachably installed on the right side of the main body 106, which can be used to support the right side of the developing roller 102 and the gear system of the developing box 100. It is worth noting that the main body 106, The driving side protective cover 104 , the non-driving side protective cover 105 and the bearing member 107 are all part of the housing 101 .
在显影盒100安装在成像设备中,显影盒100可在第一位置、第二位置和第三位置之间移动,为了方便描述,把显影盒100的显影辊与感光鼓2刚刚接触但是两者之间并没有产生压力的位置称之为第一位置;把显影盒100的显影辊102与感光鼓2之间以一定压力接触的位置称之为第二位置;把显影盒100的显影辊102与感光鼓2间隔一定距离s的位置位置称之为第三位置;自右向左观察时,显影辊102靠近感光鼓2的方向为前进方向M,显影辊102远离感光鼓2的方向为后退方向N。When the developing box 100 is installed in the imaging device, the developing box 100 can move among a first position, a second position and a third position. For the convenience of description, the position where the developing roller of the developing box 100 just contacts the photosensitive drum 2 but no pressure is generated therebetween is called the first position; the position where the developing roller 102 of the developing box 100 contacts the photosensitive drum 2 with a certain pressure is called the second position; the position where the developing roller 102 of the developing box 100 is separated from the photosensitive drum 2 by a certain distance s is called the third position; when observed from right to left, the direction in which the developing roller 102 approaches the photosensitive drum 2 is the forward direction M, and the direction in which the developing roller 102 moves away from the photosensitive drum 2 is the backward direction N.
显影盒100还包括一对分别设置在壳体101左右两侧的可动部110,以及设置在可动部110和壳体101之间的第一弹性件111,相比于可动部110,第一弹性件111设置在更远离显影辊102的旋转轴线的位置处;第一弹性件111优选为拉簧,显影盒100左右两侧的第一弹性件111其一端均连接在可动部110上,右侧第一弹性件111的另一端连接在形成于轴承件107上的第一安装柱101a上,但是,左侧的第一弹性件111的另一端连接在非驱动侧护盖105的第二安装柱105a上以提供足够的避让空间,避免显影盒100安装至成像设备的过程中第二安装柱105a与成像设备发生安装干涉;The developing box 100 further includes a pair of movable parts 110 respectively arranged on the left and right sides of the shell 101, and a first elastic member 111 arranged between the movable part 110 and the shell 101. Compared with the movable part 110, the first elastic member 111 is arranged at a position farther away from the rotation axis of the developing roller 102; the first elastic member 111 is preferably a tension spring, and one end of the first elastic members 111 on the left and right sides of the developing box 100 is connected to the movable part 110, and the other end of the first elastic member 111 on the right side is connected to the first mounting post 101a formed on the bearing member 107, but the other end of the first elastic member 111 on the left side is connected to the second mounting post 105a of the non-driving side protective cover 105 to provide sufficient avoidance space to avoid the second mounting post 105a from interfering with the imaging device during the installation of the developing box 100 to the imaging device;
值得一提的是,显影盒100左右两侧的第一弹性件111弹性力相同,其有助于在装配过程中在不加以区分的情况下将第一弹性件111安装至显影盒100中,而不会发生安装错误导致出现打印质量问题的情况,因而也提高了显影盒100的组装效率;具体的,作为安装在显影盒100中的第一弹性件111具有相同的弹性力,在第一弹性件111的弹性限度内,根据弹性力计算公式F(弹性力)=k(劲度系数)·x(形变量,第一弹性件111伸长或缩短的长度),第一种布置结构为,左右两侧的第一弹性件111的劲度系数k相同,即k1=k2,优选的,左右两侧第一弹性件111所采用的材料、无形变时的长度、直径以及线径均相同,当然,也可不必均相同,只要通过调整上述具体有关劲度系数k的参数使得二者的劲度系数k相同即可,这并不是限定的,只是本实施例中采用了优选的实施方式,并且,在第一弹性件111安装在显影盒100中且第一弹性件111受力形变后,第一弹性件111的形变量x也相等,即左右两侧的第一弹性件111的伸长或缩短长度也相同,也就是说,第一弹性件111在受力伸长或缩短后的总长度相等,这时, 可确保左右两侧的第一弹性件111的弹性力保持一致,即在以上述方式布置后,左侧第一弹性件111的劲度系数k1和形变量x1的乘积和右侧第一弹性件111的劲度系数k1、形变量x1的乘积相同。第二种布置结构为,左右两侧的第一弹性件111的劲度系数k和形变量均不相同,其中之一为,左侧第一弹性件111的劲度系数k1大于右侧弹性件的劲度系数k2,具体可对上述有关劲度系数k的参数进行调整,这里就不再赘述,只要使得左侧第一弹性件111的劲度系数k1大于右侧弹性件的劲度系数k2即可,但当第一弹性件111安装在显影盒100中且第一弹性件111受力形变后,左侧第一弹性件111的形变量x1小于右侧第一弹性件111的形变量x2,即左侧第一弹性件111的形变后的总长度L1小于右侧第一弹性件111形变后的总长度L2,具体可通过改变用于安装第一弹性件111的第一安装柱和第二安装柱之间的间距d的方式来改变第一弹性件111的长度,在以上述方式布置后,左侧第一弹性件111的劲度系数k1和形变量x1的乘积和右侧第一弹性件111的劲度系数k2、形变量x2的乘积相同,即F1=F2;其中之二为,左侧第一弹性件111的劲度系数k1小于右侧第一弹性件111的劲度系数k2,具体可对上述有关劲度系数k的参数进行调整,这里就不再赘述,只要使得左侧第一弹性件111的劲度系数k1小于右侧第一弹性件111的劲度系数k2即可,但当第一弹性件111安装在显影盒100中且第一弹性件111受力形变后,左侧第一弹性件111的形变量x1大于右侧第一弹性件111的形变量x2,即左侧第一弹性件111的形变后的总长度大于右侧第一弹性件111形变后的总长度,在以上述方式布置后,左侧第一弹性件111的劲度系数k1和形变量x1的乘积和右侧第一弹性件111的劲度系数k2、形变量x2乘积相同,即F1=F2。基于左右两侧第一弹性件111的劲度系数k的不同,还可通过改变第一弹性件111的布置位置及方向来改变第一弹性件111的弹性力大小,即左右两侧的第一弹性件111的长度方向相交叉,二者并不平行,这样,即使二者的形变量相同,第一弹性件111产生的弹性力的分力也将会有所不同,但最终F1仍将等于F2,也可实现上述弹性力相同的技术效果。It is worth mentioning that the elastic forces of the first elastic members 111 on the left and right sides of the developer box 100 are the same, which helps to install the first elastic member 111 into the developer box 100 without distinguishing during the assembly process, and will not cause installation errors that lead to printing quality problems, thereby improving the assembly efficiency of the developer box 100; specifically, the first elastic member 111 installed in the developer box 100 has the same elastic force. Within the elastic limit of the first elastic member 111, according to the elastic force calculation formula F (elastic force) = k (stiffness coefficient) x (deformation, the length of the first elastic member 111 stretched or shortened), the first arrangement structure is that the stiffness coefficients of the first elastic members 111 on the left and right sides are The number k is the same, that is, k1=k2. Preferably, the material, length, diameter and wire diameter of the first elastic members 111 on the left and right sides are the same. Of course, they do not have to be the same. As long as the above-mentioned specific parameters related to the stiffness coefficient k are adjusted to make the stiffness coefficients k of the two the same, this is not a limitation. It is just that the preferred implementation method is adopted in this embodiment. Moreover, after the first elastic member 111 is installed in the developing box 100 and the first elastic member 111 is deformed by force, the deformation amount x of the first elastic member 111 is also equal, that is, the elongation or shortening length of the first elastic members 111 on the left and right sides is also the same. In other words, the total length of the first elastic member 111 after being elongated or shortened by force is equal. At this time, This ensures that the elastic forces of the first elastic members 111 on the left and right sides remain consistent, i.e., after being arranged in the above manner, the product of the stiffness coefficient k1 and the deformation x1 of the left first elastic member 111 is the same as the product of the stiffness coefficient k1 and the deformation x1 of the right first elastic member 111. The second arrangement structure is that the stiffness coefficient k and the deformation amount of the first elastic members 111 on the left and right sides are different. One of them is that the stiffness coefficient k1 of the first elastic member 111 on the left is greater than the stiffness coefficient k2 of the elastic member on the right. The parameters related to the stiffness coefficient k can be specifically adjusted, and no further details will be given here. It is sufficient to make the stiffness coefficient k1 of the first elastic member 111 on the left greater than the stiffness coefficient k2 of the elastic member on the right. However, when the first elastic member 111 is installed in the developing box 100 and the first elastic member 111 is deformed by force, the deformation amount x1 of the first elastic member 111 on the left is smaller than the deformation amount x2 of the first elastic member 111 on the right, that is, the total length L1 of the first elastic member 111 on the left after deformation is smaller than the total length L2 of the first elastic member 111 on the right after deformation. Specifically, the length of the first elastic member 111 can be changed by changing the spacing d between the first mounting column and the second mounting column for mounting the first elastic member 111. After the arrangement is performed in the above manner, the stiffness coefficient k1 and the deformation amount x2 of the first elastic member 111 on the left are smaller than the deformation amount x2 of the first elastic member 111 on the right. The product of the variable x1 is the same as the product of the stiffness coefficient k2 of the first elastic member 111 on the right and the deformation variable x2, that is, F1=F2; the second one is that the stiffness coefficient k1 of the first elastic member 111 on the left is smaller than the stiffness coefficient k2 of the first elastic member 111 on the right. Specifically, the parameters of the stiffness coefficient k mentioned above can be adjusted, which will not be repeated here. As long as the stiffness coefficient k1 of the first elastic member 111 on the left is smaller than the stiffness coefficient k2 of the first elastic member 111 on the right, when the first elastic member 111 is arranged After the first elastic member 111 is installed in the developer box 100 and deformed by force, the deformation x1 of the left first elastic member 111 is greater than the deformation x2 of the right first elastic member 111, that is, the total length of the left first elastic member 111 after deformation is greater than the total length of the right first elastic member 111 after deformation. After being arranged in the above manner, the product of the stiffness coefficient k1 and the deformation x1 of the left first elastic member 111 is the same as the product of the stiffness coefficient k2 and the deformation x2 of the right first elastic member 111, that is, F1=F2. Based on the difference in the stiffness coefficient k of the first elastic members 111 on the left and right sides, the elastic force of the first elastic member 111 can also be changed by changing the arrangement position and direction of the first elastic member 111, that is, the length directions of the first elastic members 111 on the left and right sides intersect, and the two are not parallel. In this way, even if the deformation of the two is the same, the component force of the elastic force generated by the first elastic member 111 will be different, but F1 will still be equal to F2 in the end, and the above-mentioned technical effect of the same elastic force can also be achieved.
在壳体101的轴承件107上还设置有可动部安装柱101b,可动部110可旋转动的安装在该可动部安装柱101b上,在显影盒100安装在成像设备中时,可动部110可接收成像设备的施力件10的推动力并可绕作为旋转轴的可动部安装 柱101b相对于壳体101在第一位置和第二位置之间转动,可动部110处于第一位置时相对于处于第二位置至少一部分更远离显影辊102的旋转轴线;在可动部110受到外力作用前,如图5所示,可动部110在第一弹性件111产生的弹性力作用下保持在第一位置,在可动部110受到外力作用后,从显影盒100的右侧向左侧观察,可动部111可克服第一弹性件111的弹性力沿逆时针方向从第一位置旋转至第二位置,使得显影盒100朝前进方向M从图5所示的第一位置移动至图6所示的第二位置,这时,显影辊102与感光鼓2以一定压力保持接触,进而显影盒100可执行打印工作,值得一提的是,在可动部111从第一位置旋转至第二位置的过程中,连接在可动部110上的第一弹性件111可跟随可动部110的旋转而转动一定角度,使得第一弹性件111的延伸方向保持不变,即始终保持大致直线延伸,弹性力传递变得稳定,因此,显影辊102与感光鼓2之间的接触压力更加稳定,其有助于提高显影盒100的打印品质;更具体的来说,可动部110包括一对在前后方向上对向设置的第一受力部110a和第二受力部110b,第一受力部110a的至少一部分面向显影盒100的后侧,第二受力部110b的至少一部分面向显影盒100的前侧,在显影盒100安装在成像设备中时,如图6所示,施力件10的第一施力部10a与可动部110的第一受力部110a彼此相对,第一施力部10a可迫推第一受力部110a,使得可动部110相对于壳体101从第一位置移动至第二位置,进而可迫使显影盒100沿着前进方向M进行移动,显影辊102与感光鼓2以一定压力保持接触;如图7所示,施力件10的第二施力部10b与可动部110的第二受力部110b彼此相对,第二施力部10b可迫推第二受力部110a,可动部110带动显影盒100从第一位置沿着后退方向N移动至第三位置,显影辊102与感光鼓2间隔一定距离s。A movable part mounting column 101b is also provided on the bearing member 107 of the housing 101, and the movable part 110 is rotatably mounted on the movable part mounting column 101b. When the developing cartridge 100 is installed in the imaging device, the movable part 110 can receive the driving force of the force applying member 10 of the imaging device and can rotate around the movable part mounting column 101b as a rotating shaft. The column 101b rotates between the first position and the second position relative to the housing 101. When the movable part 110 is in the first position, at least a part of it is further away from the rotation axis of the developing roller 102 than when it is in the second position. Before the movable part 110 is acted upon by an external force, as shown in FIG5 , the movable part 110 is kept in the first position under the elastic force generated by the first elastic member 111. After the movable part 110 is acted upon by an external force, when viewed from the right side to the left side of the developing cartridge 100, the movable part 111 can overcome the elastic force of the first elastic member 111 and rotate counterclockwise from the first position to the second position, so that the developing cartridge 100 is 5 to the second position shown in FIG. 6 . At this time, the developing roller 102 is in contact with the photosensitive drum 2 at a certain pressure, and the developing box 100 can perform printing. It is worth mentioning that during the process of the movable part 111 rotating from the first position to the second position, the first elastic member 111 connected to the movable part 110 can rotate a certain angle following the rotation of the movable part 110, so that the extension direction of the first elastic member 111 remains unchanged, that is, it always maintains a substantially straight extension, and the transmission of elastic force becomes stable. Therefore, the development roller 102 and the photosensitive drum 2 are in contact with each other. The contact pressure of the developing cartridge 100 is more stable, which helps to improve the printing quality of the developing cartridge 100; more specifically, the movable portion 110 includes a pair of first force-bearing portions 110a and second force-bearing portions 110b that are arranged opposite to each other in the front-to-back direction, at least a portion of the first force-bearing portion 110a faces the rear side of the developing cartridge 100, and at least a portion of the second force-bearing portion 110b faces the front side of the developing cartridge 100. When the developing cartridge 100 is installed in the imaging device, as shown in FIG. 6 , the first force-bearing portion 10a of the force-applying member 10 and the first force-bearing portion 110a of the movable portion 110 are opposite to each other, and the first force-bearing portion 10a can force the developing cartridge 100 to move toward the front side of the developing cartridge 100. The first force-bearing portion 110a is pushed, so that the movable portion 110 moves from the first position to the second position relative to the shell 101, thereby forcing the developing box 100 to move along the forward direction M, and the developing roller 102 maintains contact with the photosensitive drum 2 at a certain pressure; as shown in Figure 7, the second force-applying portion 10b of the force-applying member 10 and the second force-bearing portion 110b of the movable portion 110 are opposite to each other, and the second force-applying portion 10b can force the second force-bearing portion 110a to be pushed, and the movable portion 110 drives the developing box 100 to move from the first position to the third position along the backward direction N, and the developing roller 102 is spaced a certain distance s from the photosensitive drum 2.
进一步的,在壳体101的轴承件107上还设置有构造为突起的第一限位部101c和第二限位部101d,二者之间具有间隙,可动部110可在该间隙范围内活动,具体的,第一限位部101c相比于第二限位部101d在前后方向上更靠近显影辊102的旋转轴线,第一限位部101c可用于限制可动部110向靠近显影辊102的方向上的移动行程,以避免其在转动过多角度后与成像设备的施力件10的第一施力部10a脱离啮合,而第二限位部101d可用于当第二施力部10b推动可动部110时,可动部110可被第二限制部101d阻挡而能带动显影盒100沿着后退 方向N移动,也就是说,第一限位部101c和第二限位部101d可用于限制可动部110的旋转范围。Furthermore, a first limiting portion 101c and a second limiting portion 101d constructed as a protrusion are also provided on the bearing member 107 of the housing 101, and a gap is provided between the two. The movable portion 110 can move within the range of the gap. Specifically, the first limiting portion 101c is closer to the rotation axis of the developing roller 102 in the front-to-back direction than the second limiting portion 101d. The first limiting portion 101c can be used to limit the movement of the movable portion 110 in the direction close to the developing roller 102 to avoid it from being disengaged from the first force-applying portion 10a of the force-applying member 10 of the imaging device after rotating too much, and the second limiting portion 101d can be used to enable the movable portion 110 to be blocked by the second limiting portion 101d when the second force-applying portion 10b pushes the movable portion 110, so that the developing box 100 can be driven to move along the backward direction. The movable part 110 moves in the direction N, that is, the first limiting portion 101 c and the second limiting portion 101 d can be used to limit the rotation range of the movable part 110 .
实施例2Example 2
如图8所示,接下来介绍本发明实施例2中的一种显影盒200,显影盒200与上述实施例1中相同的部分,这里就不再赘述,不同之处在于,设置在显影盒200左右两侧的第一弹性件211的弹性力大小不同,二者采用弹性系数不同的弹性件来分别布置在显影盒200的左右两侧。As shown in Figure 8, a developing box 200 in Example 2 of the present invention is introduced next. The parts of the developing box 200 that are the same as those in the above-mentioned Example 1 are not repeated here. The difference is that the elastic forces of the first elastic members 211 arranged on the left and right sides of the developing box 200 are different. The two use elastic members with different elastic coefficients to be arranged on the left and right sides of the developing box 200 respectively.
从实施例1中可以知道,设置在显影盒200中的驱动力接收构件203在显影盒200工作过程中接收来自成像设备中的旋转驱动力,自右向左观察时,驱动力接收构件203可沿着顺时针方向旋转,也就是说,在驱动力接收构件203旋转的过程中,显影盒200具有沿着顺时针方向的旋转扭矩,即使得显影辊具有朝着靠近感光鼓2的方向移动的趋势,显影辊可以一定压力与感光鼓2保持接触,但是,因驱动力接收构件203设置在显影盒200的右侧,这将使得显影盒200的右侧相对于左侧具有更大的旋转扭矩,这将使得显影辊左右两侧施加至感光鼓2上的压力不相等,影响显影盒200的打印品质,因此,为保证显影盒200的左右两侧受力平衡,优选的,显影盒200左侧(即非驱动侧)的第一弹性件211的弹性力大于显影盒200右侧(即驱动侧)第一弹性件211的弹性力,弹性力大小具体可根据实施例1中的劲度系数k和形变量x来调整,这里就不再赘述,在以上述结构和方式布置后,这有助于确保显影辊左右两侧施加至感光鼓2上的压力大致相同,提升显影盒200的打印品质。It can be known from Example 1 that the driving force receiving member 203 disposed in the developing box 200 receives the rotational driving force from the imaging device during the working process of the developing box 200. When viewed from right to left, the driving force receiving member 203 can rotate in the clockwise direction. That is, during the rotation of the driving force receiving member 203, the developing box 200 has a rotational torque in the clockwise direction, which makes the developing roller tend to move toward the direction close to the photosensitive drum 2. The developing roller can maintain contact with the photosensitive drum 2 at a certain pressure. However, since the driving force receiving member 203 is disposed on the right side of the developing box 200, this will make the right side of the developing box 200 have a relative pressure to the left side. A larger rotational torque will make the pressure applied to the photosensitive drum 2 by the left and right sides of the developing roller unequal, affecting the printing quality of the developing box 200. Therefore, in order to ensure the force balance on the left and right sides of the developing box 200, preferably, the elastic force of the first elastic member 211 on the left side of the developing box 200 (i.e., the non-driving side) is greater than the elastic force of the first elastic member 211 on the right side of the developing box 200 (i.e., the driving side). The size of the elastic force can be specifically adjusted according to the stiffness coefficient k and the deformation x in Example 1, which will not be repeated here. After being arranged in the above structure and manner, this helps to ensure that the pressure applied to the photosensitive drum 2 by the left and right sides of the developing roller is approximately the same, thereby improving the printing quality of the developing box 200.
值得一提的是,在另外一可选方案中,还可通过改变用于安装第一弹性件211的第一安装柱和第二安装柱之间的间距的方式来改变第一弹性件211的伸长长度,进而达到改变第一弹性件211产生的弹性力大小,也就是说,在该方案中,布置于显影盒200左右两侧的第一弹性件211可采用相同的弹性件,但是其布置在显影盒200中后,二者的伸长长度不一样。不仅如此,还可选择的是,还可通过改变第一弹性件211的布置位置及方向来改变第一弹性件211的弹性力大小,即布置于显影盒200左右两侧的第一弹性件211可采用相同的弹性件,显影盒200左右两侧的第一弹性件211的长度方向相交叉,二者并不平行,这样,第一弹性件211产生的弹性力的分力不同,也可实现上述弹性力不同的技术效果。 It is worth mentioning that in another optional solution, the elongation length of the first elastic member 211 can be changed by changing the spacing between the first mounting column and the second mounting column for mounting the first elastic member 211, thereby changing the magnitude of the elastic force generated by the first elastic member 211. That is to say, in this solution, the first elastic members 211 arranged on the left and right sides of the developing box 200 can be the same elastic member, but after being arranged in the developing box 200, the elongation lengths of the two are different. In addition, it is also possible to change the magnitude of the elastic force of the first elastic member 211 by changing the arrangement position and direction of the first elastic member 211, that is, the first elastic members 211 arranged on the left and right sides of the developing box 200 can be the same elastic member, and the length directions of the first elastic members 211 on the left and right sides of the developing box 200 intersect, and the two are not parallel. In this way, the components of the elastic force generated by the first elastic member 211 are different, and the above-mentioned technical effect of different elastic forces can also be achieved.
实施例3Example 3
如图9所示,接下来介绍本发明实施例3中的一种显影盒300,显影盒300与上述实施例1或2中的显影盒相同的部分,这里就不再赘述,不同之处在于,第一弹性件311仅设置在显影盒300左右两侧的其中一侧上,优选的,第一弹性件311设置在显影盒300的左侧,即显影盒300的非驱动侧,其不但可实现与实施例2中相同的技术效果,即使得显影辊左右两侧施加至感光鼓2上的压力大致相同,提升显影盒300的打印品质,也因为取消了原先布置于显影盒300右侧的第一弹性件311,降低了生产成本。但是,在显影盒300的右侧依旧设置有可动部310,成像设备的施力件10可迫推显影盒300右侧的可动部310,使得显影盒300从第一位置移动至第三位置,使得显影辊与感光鼓2间隔一定距离s。As shown in FIG9 , a developing box 300 in Embodiment 3 of the present invention is introduced next. The same parts of the developing box 300 as those in Embodiment 1 or 2 above are not described here. The difference is that the first elastic member 311 is only arranged on one of the left and right sides of the developing box 300. Preferably, the first elastic member 311 is arranged on the left side of the developing box 300, that is, the non-driving side of the developing box 300. It can not only achieve the same technical effect as in Embodiment 2, that is, the pressure applied to the photosensitive drum 2 by the left and right sides of the developing roller is roughly the same, thereby improving the printing quality of the developing box 300, but also reduce the production cost because the first elastic member 311 originally arranged on the right side of the developing box 300 is cancelled. However, a movable part 310 is still arranged on the right side of the developing box 300. The force applying member 10 of the imaging device can force the movable part 310 on the right side of the developing box 300, so that the developing box 300 moves from the first position to the third position, so that the developing roller and the photosensitive drum 2 are separated by a certain distance s.
实施例4Example 4
接下来将结合图10-20介绍本发明实施例4,实施例4公开了一种显影盒400,显影盒400与上述实施例1-3中的显影盒相同的部分,这里就不再赘述,对于不同之处,接下来将详细描述。Next, Embodiment 4 of the present invention will be introduced in conjunction with Figures 10-20. Embodiment 4 discloses a developing box 400. The same parts of the developing box 400 as those of the developing boxes in the above-mentioned Embodiments 1-3 will not be repeated here. The differences will be described in detail below.
显影盒400包括壳体401,壳体401包括可容纳显影剂的主体部分403和分别设置在主体部分403左右两侧的非驱动侧护盖404和驱动侧护盖405,主体部分403包括上壳体403a和下壳体403b,上壳体403a位于下壳体403b的上侧,二者通过例如超声焊接技术焊接在一起,具体的,主体部分403具有连接上壳体403a和下壳体403b的第一接合部403c和第二接合部403d,第一接合部403c位于显影盒400安装方向的下游侧并构造为横跨主体部分403的左右两端,第二接合部403d位于显影盒400安装方向的上游侧并构造为横跨主体部分403的左右两端,即第一接合部403c在前后方向上布置在第二接合部403d的前侧,换句话说,第一接合部403c和第二接合部403d从主体部分403的左端延伸至主体部分403的右端;显影盒400还包括可旋转的支撑在壳体401上的显影辊402、搅拌架(未示出)以及布置在显影盒400的右端的驱动组件,驱动组件和轴承件429的至少一部分被驱动侧护盖405覆盖,驱动组件包括分体设置的驱动力接收构件421和驱动齿轮421b以及设置在驱动力接收构件421和驱动齿轮421b之间的弹性构件428,其中,驱动力接收构件421支撑在轴承件429上并可接收成像设备的驱动力旋转,并且,驱动力接收构件421在左右方向上具有伸出位置和缩进位 置,处于伸出位置时的驱动力接收构件421相对于处于缩进位置时的驱动力接收构件421至少一部分在左右方向上更远离显影盒400的左端,在驱动力接收构件421未受到左右方向上的外力作用时,驱动力接收构件421在弹性构件428产生的弹性力作用下保持在伸出位置,在驱动力接收构件421受到左右方向上的外力作用时,驱动力接收构件421可抵抗弹性构件428的弹性力作用自右向左从伸出位置移动至缩进位置,在外力撤去后,弹性构件428产生的弹性力可复位驱动力接收构件421而将其从缩进位置移动至伸出位置;驱动齿轮421b与驱动力接收构件421同轴设置并可响应于驱动力接收构件421的旋转而旋转;进一步的,驱动力接收构件421和驱动齿轮421b为间隙配合,驱动力接收构件421可相对于驱动齿轮421b在与左右方向交叉的方向上(径向方向)摆动,大大降低了因制造误差或安装误差导致其与成像设备的动力输出件发生安装干涉的概率,提高了驱动力接收构件与动力输出件的耦合成功率;进一步的,弹性构件428构造为锥形的弹簧,即圆锥螺旋弹簧,其抵接在驱动力接收构件421上的构造为突起的第一定位部421a和驱动齿轮421b内腔中的构造为凹槽的第二定位部421b1之间,圆锥螺旋弹簧直径较小的一端定位在驱动力接收构件421的第一定位部421a上,直径较大的一端定位在驱动齿轮421b的第二定位部421b1上,如此一来,圆锥螺旋弹簧的左右两端被定位,当外力作用在驱动力接收构件421上,驱动力接收构件421可克服圆锥螺旋弹簧的弹性力沿着与左右方向交叉的径向方向摆动,这时圆锥螺旋弹簧发生扭曲形变,待外力从驱动力接收构件421上撤去后,圆锥螺旋弹簧蓄积的弹性力被释放而能用于复位发生径向移动后的驱动力接收构件421,使得驱动力接收构件421的旋转轴线从与左右方向保持倾斜的方向移动至与左右方向平行的方向,即驱动力接收构件421与驱动齿轮421b将再次同轴,可选择的是,驱动力接收构件421上可设置有构造为凹槽的第一定位部421a,在驱动齿轮421b上设置有构造为突起的第二定位部421b1,弹性构件428可同样被定位,这并不是限定的;显影盒400还包括连接在显影辊402右端的显影辊齿轮422以及连接在搅拌架右端的搅拌架齿轮425,显影辊齿轮422与驱动齿轮421b直接啮合而能接收旋转驱动力驱动显影辊402旋转,搅拌架齿轮425在左右方向上布置在壳体401的主体部分403和轴承件429之间,搅拌架齿轮425通过设置在搅拌架齿轮425和驱动齿轮421b之间的传递齿轮423接收来自驱动 齿轮421b的驱动力,以此驱动搅拌架旋转,也就是说,驱动力接收构件421可同时驱动显影辊402和搅拌架旋转;显影盒400还包括芯片406,芯片406包括与成像设备电接触的电接触表面(未示出)和存储有显影盒400相关信息的存储部,成像设备通过电接触芯片406的电接触表面而能读取芯片406的存储部中的信息,从而与显影盒400建立通信连接。The developer box 400 includes a shell 401, which includes a main body 403 that can accommodate the developer and a non-driving side protective cover 404 and a driving side protective cover 405 respectively arranged on the left and right sides of the main body 403. The main body 403 includes an upper shell 403a and a lower shell 403b. The upper shell 403a is located on the upper side of the lower shell 403b, and the two are welded together by, for example, ultrasonic welding technology. Specifically, the main body 403 has a first joint portion 403c and a second joint portion 403d connecting the upper shell 403a and the lower shell 403b. The first joint portion 403c is located on the downstream side of the installation direction of the developer box 400 and is constructed to span the left and right ends of the main body 403. The second joint portion 403d is located on the upstream side of the installation direction of the developer box 400 and is constructed to span the left and right ends of the main body 403, that is, the first joint portion 403c is at the front and rear In the direction, it is arranged on the front side of the second engaging portion 403d, in other words, the first engaging portion 403c and the second engaging portion 403d extend from the left end of the main body portion 403 to the right end of the main body portion 403; the developing box 400 also includes a developing roller 402 rotatably supported on the shell 401, a stirring frame (not shown) and a driving assembly arranged at the right end of the developing box 400, and at least a part of the driving assembly and the bearing member 429 are covered by the driving side cover 405, and the driving assembly includes a driving force receiving member 421 and a driving gear 421b which are separately arranged, and an elastic member 428 arranged between the driving force receiving member 421 and the driving gear 421b, wherein the driving force receiving member 421 is supported on the bearing member 429 and can receive the driving force of the imaging device to rotate, and the driving force receiving member 421 has an extended position and a retracted position in the left and right directions. The driving force receiving member 421 in the extended position is at least partially further away from the left end of the developing box 400 in the left-right direction than the driving force receiving member 421 in the retracted position. When the driving force receiving member 421 is not subjected to external forces in the left-right direction, the driving force receiving member 421 is maintained in the extended position under the elastic force generated by the elastic member 428. When the driving force receiving member 421 is subjected to external forces in the left-right direction, the driving force receiving member 421 can resist the elastic force of the elastic member 428 and move from the extended position to the retracted position from right to left. After the external force is removed, the elastic force generated by the elastic member 428 can reset the driving force receiving member 421 and move it from the retracted position to the extended position. The driving gear 421b is coaxially arranged with the driving force receiving member 421 and It can rotate in response to the rotation of the driving force receiving member 421; further, the driving force receiving member 421 and the driving gear 421b are clearance-fitted, and the driving force receiving member 421 can swing relative to the driving gear 421b in a direction intersecting the left and right directions (radial direction), which greatly reduces the probability of installation interference between it and the power output member of the imaging device due to manufacturing errors or installation errors, and improves the success rate of coupling between the driving force receiving member and the power output member; further, the elastic member 428 is constructed as a conical spring, that is, a conical coil spring, which abuts between the first positioning portion 421a constructed as a protrusion on the driving force receiving member 421 and the second positioning portion 421b1 constructed as a groove in the inner cavity of the driving gear 421b, and the end with a smaller diameter of the conical coil spring is positioned at the driving force receiving member The conical coil spring is positioned on the first positioning portion 421a of the receiving member 421, and the end with a larger diameter is positioned on the second positioning portion 421b1 of the driving gear 421b. In this way, the left and right ends of the conical coil spring are positioned. When an external force acts on the driving force receiving member 421, the driving force receiving member 421 can overcome the elastic force of the conical coil spring and swing along the radial direction intersecting the left and right directions. At this time, the conical coil spring is twisted and deformed. After the external force is removed from the driving force receiving member 421, the elastic force accumulated in the conical coil spring is released and can be used to reset the driving force receiving member 421 after the radial movement, so that the rotation axis of the driving force receiving member 421 moves from a direction inclined to the left and right directions to a direction parallel to the left and right directions, that is, the driving force receiving member 421 and the driving gear 421b will be rotated again. Coaxially, optionally, a first positioning portion 421a constructed as a groove may be provided on the driving force receiving member 421, and a second positioning portion 421b1 constructed as a protrusion may be provided on the driving gear 421b, and the elastic member 428 may be positioned in the same manner, which is not limiting; the developing box 400 also includes a developing roller gear 422 connected to the right end of the developing roller 402 and a stirring frame gear 425 connected to the right end of the stirring frame, the developing roller gear 422 is directly meshed with the driving gear 421b and can receive the rotational driving force to drive the developing roller 402 to rotate, the stirring frame gear 425 is arranged between the main body 403 of the shell 401 and the bearing member 429 in the left and right directions, and the stirring frame gear 425 receives the driving force from the driving frame through the transmission gear 423 arranged between the stirring frame gear 425 and the driving gear 421b. The driving force of gear 421b drives the stirring frame to rotate, that is, the driving force receiving member 421 can simultaneously drive the developing roller 402 and the stirring frame to rotate; the developing box 400 also includes a chip 406, the chip 406 includes an electrical contact surface (not shown) that is electrically in contact with the imaging device and a storage unit that stores information related to the developing box 400, and the imaging device can read the information in the storage unit of the chip 406 by electrically contacting the electrical contact surface of the chip 406, thereby establishing a communication connection with the developing box 400.
显影盒400同样也包括一对分别可拆卸的设置在壳体401左右两侧的第一可动部410,以及连接在第一可动部410和壳体401之间的第一弹性件411,第一可动部410优选为杆,更进一步的,该杆为杠杆,第一弹性件411优选为拉簧,从左右方向上看,第一弹性件411布置在显影辊402和第一可动部410之间;具体的,左侧的第一可动部410安装在壳体401的非驱动侧护盖404上,右侧的第一可动部410安装在壳体401的轴承件429上,当然,可选择的是,左侧的第一可动部410可安装在主体部分403上,右侧的第一可动部410可安装在主体部分403或驱动侧护盖405上,均不是限定的;值得一提的是,位于显影盒400左右两侧的第一可动部410的结构及动作过程大体相同,接下来以右侧的第一可动部410为例进行说明;具体的来说,第一可动部410包括位于第一可动部410一侧端(本实施例中指下端)并突出于壳体401之外的力接收部,力接收部可接收外力,并包括一对在前后方向上对向设置的第一力接收部410a和第二力接收部410b,第一力接收部410a的至少一部分面向显影盒400的后侧,第二力接收部410b的至少一部分面向显影盒400的前侧;第一可动部410还包括位于第一可动部410另一侧端(本实施例中指上端)上并构造为突起弹性件安装位401a,第一弹性件411的一端连接在该弹性件安装位401a上,即力接收部和弹性件安装位401a分别设置在第一可动部410的长度方向的两端;在弹性件安装位401a和力接收部之间还设置有支点401b,在第一可动部410的长度方向上,支点401b位于力接收部和弹性件安装位401a之间,第一可动部410可绕支点401b相对于壳体401在第一位置和第二位置之间移动,通过第一弹性件411产生的弹力作用,第一可动部410在未受到外力作用时保持在如图14所示的第一位置;在壳体401上设置有一对向外突出并在前后方向间隔设置的第一限位部426和第二限位部427,第一限位部426和第二限位部427之间形成有空间用以容纳第一可动部410,第一可动部410可在该空间限定的范围内转动,具体的,第一限位部426 可用于限制第一可动部410向靠近显影辊402的方向上的移动行程,以避免其在转动过多角度后与成像设备的施力件10的第一施力部10a脱离啮合,第二限位部427可限制第一可动部410在未受到外力作用时将第一可动部410保持在第一位置,并可通过与第一可动部410的接触,使得第一可动部410被外力迫推时可带动显影盒400朝着远离显影辊402的方向移动;在显影盒400安装在成像设备中时,如图15所示,施力件10的第一施力部10a与第一可动部410的第一力接收部410a彼此相对,第一施力部10a可迫推第一力接收部410a,使得第一可动部410在克服第一弹性件411因拉伸产生的弹性力作用下可相对于壳体401从第一位置移动至第二位置,在第一可动部410的第一限位部426的限位下,第一可动部410可带动显影盒400沿着前进方向进行移动,显影辊402与感光鼓2以一定压力F保持接触,在此状态下,显影盒400可参与执行打印工作;如图16所示,施力件10的第二施力部10b与第一可动部410的第二力接收部410b彼此相对,第二施力部10b可迫推第二力接收部410b,第一可动部410通过接触壳体401的第二限位部427带动显影盒400从第一位置沿着后退方向移动至第三位置,显影辊402与感光鼓2间隔一定距离s,在此状态下,显影盒400不再参与执行打印工作。在第一可动部410从第一位置旋转至第二位置的过程中,第一弹性件411的延伸方向基本保持不变,即始终保持大致直线延伸,弹性力传递变得稳定,即使第一可动部410转动较大角度,第一弹性件411也可跟随第一可动部410的旋转而转动一定角度,以保持第一弹性件411的延伸方向基本保持不变,因此,显影辊402与感光鼓2之间的接触压力更加稳定,其有助于提高显影盒400的打印品质。The developer cartridge 400 also includes a pair of first movable portions 410 detachably disposed on the left and right sides of the shell 401, and a first elastic member 411 connected between the first movable portion 410 and the shell 401. The first movable portion 410 is preferably a rod. Furthermore, the rod is a lever. The first elastic member 411 is preferably a tension spring. When viewed from the left and right directions, the first elastic member 411 is arranged between the developer roller 402 and the first movable portion 410. Specifically, the first movable portion 410 on the left is mounted on the non-driving side cover 404 of the shell 401, and the first movable portion 410 on the right is mounted on the bearing member 429 of the shell 401. Of course, it is optional that the first movable portion 410 on the left is mounted on the non-driving side cover 404 of the shell 401. The movable part 410 can be installed on the main body part 403, and the first movable part 410 on the right side can be installed on the main body part 403 or the driving side cover 405, which is not limited; it is worth mentioning that the structure and action process of the first movable part 410 located on the left and right sides of the developing box 400 are generally the same, and the first movable part 410 on the right side is taken as an example for explanation; specifically, the first movable part 410 includes a force receiving part located at one side end of the first movable part 410 (the lower end in this embodiment) and protruding outside the shell 401, the force receiving part can receive external force, and includes a pair of first force receiving parts 410a and a second force receiving part 410b arranged opposite to each other in the front-to-back direction. , at least a portion of the first force receiving portion 410a faces the rear side of the developing box 400, and at least a portion of the second force receiving portion 410b faces the front side of the developing box 400; the first movable portion 410 also includes a protruding elastic member mounting position 401a located on the other side end of the first movable portion 410 (the upper end in this embodiment) and configured as a protruding elastic member, one end of the first elastic member 411 is connected to the elastic member mounting position 401a, that is, the force receiving portion and the elastic member mounting position 401a are respectively arranged at the two ends of the length direction of the first movable portion 410; a fulcrum 401b is also arranged between the elastic member mounting position 401a and the force receiving portion, and in the length direction of the first movable portion 410, the fulcrum 401 b is located between the force receiving portion and the elastic member installation position 401a, the first movable portion 410 can move between the first position and the second position relative to the shell 401 around the fulcrum 401b, and the first movable portion 410 is maintained at the first position as shown in Figure 14 when not subjected to external force through the elastic force generated by the first elastic member 411; a pair of first limiting portions 426 and second limiting portions 427 protruding outward and spaced apart in the front-to-back direction are provided on the shell 401, and a space is formed between the first limiting portion 426 and the second limiting portion 427 to accommodate the first movable portion 410, and the first movable portion 410 can rotate within the range defined by the space, specifically, the first limiting portion 426 The first movable portion 410 can be used to limit the movement of the first movable portion 410 in the direction close to the developing roller 402 to prevent it from being disengaged from the first force-applying portion 10a of the force-applying member 10 of the imaging device after rotating too much. The second limiting portion 427 can limit the first movable portion 410 to keep the first movable portion 410 in the first position when no external force is applied, and can drive the developing box 400 to move in the direction away from the developing roller 402 when the first movable portion 410 is pushed by an external force through contact with the first movable portion 410; when the developing box 400 is installed in the imaging device, as shown in FIG. 15, the first force-applying portion 10a of the force-applying member 10 and the first force receiving portion 410a of the first movable portion 410 are opposite to each other, and the first force-applying portion 10a can force the first force receiving portion 410a to make the first movable portion 410 overcome the elastic force generated by the stretching of the first elastic member 411. Under the action of the force, it can move from the first position to the second position relative to the shell 401. Under the limitation of the first limiting portion 426 of the first movable portion 410, the first movable portion 410 can drive the developing box 400 to move along the forward direction, and the developing roller 402 maintains contact with the photosensitive drum 2 at a certain pressure F. In this state, the developing box 400 can participate in the printing work; as shown in Figure 16, the second force applying portion 10b of the force applying member 10 and the second force receiving portion 410b of the first movable portion 410 are opposite to each other, and the second force applying portion 10b can force the second force receiving portion 410b to push, and the first movable portion 410 drives the developing box 400 to move from the first position to the third position along the backward direction by contacting the second limiting portion 427 of the shell 401. The developing roller 402 is spaced a certain distance s from the photosensitive drum 2. In this state, the developing box 400 no longer participates in the printing work. During the process of the first movable part 410 rotating from the first position to the second position, the extension direction of the first elastic member 411 remains basically unchanged, that is, it always maintains a roughly straight extension, and the elastic force transmission becomes stable. Even if the first movable part 410 rotates a large angle, the first elastic member 411 can also rotate a certain angle following the rotation of the first movable part 410 to keep the extension direction of the first elastic member 411 basically unchanged. Therefore, the contact pressure between the developing roller 402 and the photosensitive drum 2 is more stable, which helps to improve the printing quality of the developing box 400.
从上述的描述中可以知道,本发明中的第一弹性件411优选为拉簧,其一端连接在壳体401上,另一端连接在第一可动部410上,在第一可动部410未受到外力作用而处于第一位置时,第一弹性件411具有第一长度L1,在第一可动部410受到外力作用而处于第二位置,第一弹性件411具有第二长度L2,其中,L2大于L1,也就是说,第一可动部410从第一位置移动至第二位置时,第一弹性件411可响应于第一可动部410的移动而被拉伸;当显影盒400以第一可动部410和芯片406的电接触表面布置在壳体401下侧的状态放置时,第一接合部403c在上下方向上位于第二接合部403d的下侧,优选的,第一接合部403c与 第一弹性件411在上下方向上具有重叠部分,在与左右方向交叉的方向上,作一条连接第一接合部403c和第二接合部403d的线段,线段可穿过第一弹性件411,在通过上述位置对第一弹性件411进行布置后,可降低因第一接合部403c设置的过于靠下时,当上壳体403a和下壳体403b出现焊接问题导致主体部分403密封不佳,主体部分403容纳的大量显影剂堆积在下侧的第一接合部403c处,易通过第一接合部403c泄露的可能性;当将第一接合部403c设置的过上时,这会使得构造为薄型板状件的下壳体403b设置的较大,其表面积相应的增大,这样一来,下壳体403b的机械强度难以得到保证,易导致下壳体403b出现弯曲变形的情况,因此,采用上述方式布置的第一接合部403c,具有较佳的防显影剂泄露的性能和较佳的机械强度。From the above description, it can be known that the first elastic member 411 in the present invention is preferably a tension spring, one end of which is connected to the shell 401, and the other end is connected to the first movable part 410. When the first movable part 410 is not subjected to external force and is in the first position, the first elastic member 411 has a first length L1, and when the first movable part 410 is subjected to external force and is in the second position, the first elastic member 411 has a second length L2, wherein L2 is greater than L1, that is, when the first movable part 410 moves from the first position to the second position, the first elastic member 411 can be stretched in response to the movement of the first movable part 410; when the developing box 400 is placed in a state where the electrical contact surfaces of the first movable part 410 and the chip 406 are arranged on the lower side of the shell 401, the first engaging portion 403c is located on the lower side of the second engaging portion 403d in the up and down direction. Preferably, the first engaging portion 403c and The first elastic member 411 has an overlapping portion in the up and down direction, and a line segment connecting the first joint portion 403c and the second joint portion 403d is formed in a direction intersecting the left and right direction, and the line segment can pass through the first elastic member 411. After the first elastic member 411 is arranged in the above position, the possibility of poor sealing of the main body 403 due to the first joint portion 403c being set too low, when welding problems occur between the upper shell 403a and the lower shell 403b, and a large amount of developer contained in the main body 403 is accumulated at the first joint portion 403c on the lower side, which is easy to leak through the first joint portion 403c; when the first joint portion 403c is set too high, this will make the lower shell 403b, which is constructed as a thin plate-like member, set larger, and its surface area will increase accordingly. In this way, the mechanical strength of the lower shell 403b is difficult to ensure, and it is easy to cause the lower shell 403b to bend and deform. Therefore, the first joint portion 403c arranged in the above manner has better performance in preventing developer leakage and better mechanical strength.
壳体401的轴承件429上设置有避让部424,避让部424构造为轴承件429和位于轴承件429右侧的空间二者所限定的具有一定范围的空间,其用以容纳第一弹性件411以避免第一弹性件411与显影盒400的驱动组件(例如驱动齿轮421b、传递齿轮423)发生安装干涉,具体的,由前述可知,搅拌架齿轮425在左右方向上布置在壳体401的主体部分403和轴承件429之间,也就是说,搅拌架齿轮425未设置轴承件429的右侧空间内,因此,搅拌架齿轮425在左右方向上所对应的轴承件429的右端被空置,该空置的空间可用以容纳第一弹性件411,换句话说,沿着左右方向投影,第一弹性件411与搅拌架齿轮425具有重叠部分;进一步的,在左右方向上,第一弹性件411连接在第一可动部410上的一端,布置在驱动齿轮421b的右端,换句话说,第一弹性件411连接在第一可动部410上的一端相对于驱动齿轮421b设置在显影盒400的更外侧,沿着左右方向观察,第一弹性件411连接在第一可动部410上的一端与传递齿轮423保持间隔距离M,而能避免相互干涉;更进一步的,沿着左右方向投影,第一弹性件411的投影范围位于驱动齿轮421b和传递齿轮423的投影范围之外,也就是说,第一弹性件411连接在第一可动部410上的一端与传递齿轮423在与左右方向相交叉的方向上间隔开,这可进一步的避免第一弹性件411与传递齿轮423发生相互干涉。The bearing member 429 of the shell 401 is provided with an avoidance portion 424, which is constructed as a space with a certain range defined by the bearing member 429 and the space located on the right side of the bearing member 429. The avoidance portion 424 is used to accommodate the first elastic member 411 to avoid installation interference between the first elastic member 411 and the driving component of the developer box 400 (such as the driving gear 421b and the transmission gear 423). Specifically, as can be seen from the above, the stirring frame gear 425 is arranged between the main body 403 of the shell 401 and the bearing member 429 in the left and right direction. That is to say, the stirring frame gear 425 is not arranged in the right side space of the bearing member 429. Therefore, the right end of the bearing member 429 corresponding to the stirring frame gear 425 in the left and right direction is vacant, and the vacant space can be used to accommodate the first elastic member 411. In other words, projected along the left and right direction, the first elastic member 411 and the stirring frame gear 425 have an overlapping portion. further, in the left-right direction, one end of the first elastic member 411 connected to the first movable part 410 is arranged at the right end of the driving gear 421b. In other words, the end of the first elastic member 411 connected to the first movable part 410 is arranged on the outer side of the developing box 400 relative to the driving gear 421b. When viewed along the left-right direction, the end of the first elastic member 411 connected to the first movable part 410 maintains a spacing distance M with the transfer gear 423 to avoid mutual interference; further, projected along the left-right direction, the projection range of the first elastic member 411 is located outside the projection range of the driving gear 421b and the transfer gear 423, that is, the end of the first elastic member 411 connected to the first movable part 410 is spaced apart from the transfer gear 423 in a direction intersecting the left-right direction, which can further avoid mutual interference between the first elastic member 411 and the transfer gear 423.
实施例5Example 5
接下来将结合图21-40介绍本发明实施例5,实施例5公开了一种显影盒500,显影盒500与上述实施例1-4中的显影盒相同的部分,这里就不再赘述,对于不 同之处,接下来将详细描述。Next, Embodiment 5 of the present invention will be described in conjunction with FIGS. 21-40 . Embodiment 5 discloses a developing cartridge 500 . The same parts of the developing cartridge 500 as those of the developing cartridges in Embodiments 1-4 above will not be described in detail here. The similarities will be described in detail below.
首先,如图21-25所示,示出了现有技术中的一种成像设备1,成像设备1包括侧板2以及被侧板2支撑的并可相对于侧板2弹性伸缩的驱动力施加构件3,驱动力施加构件3与成像设备1中的马达(未示出)啮合而能输出旋转驱动力。First, as shown in Figures 21-25, an imaging device 1 in the prior art is shown, which includes a side panel 2 and a driving force applying member 3 supported by the side panel 2 and elastically extendable relative to the side panel 2. The driving force applying member 3 engages with a motor (not shown) in the imaging device 1 and can output a rotational driving force.
成像设备1还包括固定导轨5和在显影盒500安装方向上设置在固定导轨5下游末端的可移动导轨6,显影盒500安装至成像设备1的过程中可先后在固定导轨5和可移动导轨6的导向下进行安装并最终支撑在可移动导轨6上,可移动导轨6构造为可绕其旋转点中心6b相对于固定导轨5在一定角度内旋转,在可移动导轨6的下游末端还连接有弹簧(未示出),该弹簧的另一端连接在成像设备1的主体上,具体的,弹簧为拉伸弹簧,在可移动导轨6未受到来自成像设备1外部的作用力时,可移动导轨6位于第一位置,在可移动导轨6受到来自成像设备1外部的朝向显影盒500拆卸方向的作用力时,可移动导轨6可克服弹簧的弹性力而能相对于固定导轨5从第一位置移动至第二位置,也就是说,可移动导轨6可相对于固定导轨5在第一位置和第二位置之间移动。The imaging device 1 also includes a fixed guide rail 5 and a movable guide rail 6 arranged at the downstream end of the fixed guide rail 5 in the installation direction of the developing box 500. During the installation of the developing box 500 to the imaging device 1, it can be installed successively under the guidance of the fixed guide rail 5 and the movable guide rail 6 and finally supported on the movable guide rail 6. The movable guide rail 6 is constructed to be able to rotate within a certain angle around its rotation point center 6b relative to the fixed guide rail 5. A spring (not shown) is also connected to the downstream end of the movable guide rail 6, and the other end of the spring is connected to the main body of the imaging device 1. Specifically, the spring is a tension spring. When the movable guide rail 6 is not subjected to a force from outside the imaging device 1, the movable guide rail 6 is located in a first position. When the movable guide rail 6 is subjected to a force from outside the imaging device 1 toward the disassembly direction of the developing box 500, the movable guide rail 6 can overcome the elastic force of the spring and can move from the first position to the second position relative to the fixed guide rail 5. That is, the movable guide rail 6 can move between the first position and the second position relative to the fixed guide rail 5.
成像设备1还包括有检测装置(未示出)和使检测装置进行检测工作的触发开关(未示出),在上述可移动导轨6上设置有触碰部6a,当可移动导轨6受到外部推力使其克服弹簧从第一位置旋转至第二位置时,与之一同旋转的触碰部6a可触碰触发开关,使得检测装置被导通而能进行检测;当施加在可移动导轨6上的外力被撤去后,可移动导轨6会受到弹簧的弹性力作用而能迫使其从第二位置复位转动至第一位置,这时,触碰部6a不再触碰触发开关,触发开关断开导通,检测装置生成的检测信号断开而不再进行检测。因此,由上述描述的成像设备1的构造可以知道,要实现正常打印工作,可移动导轨6需相对于固定导轨5移动而触碰触发开关,下文将会对显影盒500如何推动可移动导轨6并实现相关检测功能的相关结构进行详细的描述。The imaging device 1 also includes a detection device (not shown) and a trigger switch (not shown) for enabling the detection device to perform detection work. A touch portion 6a is provided on the movable guide rail 6. When the movable guide rail 6 is subjected to an external thrust to overcome the spring and rotate from the first position to the second position, the touch portion 6a rotating therewith can touch the trigger switch, so that the detection device is turned on and can perform detection; when the external force applied to the movable guide rail 6 is removed, the movable guide rail 6 will be subjected to the elastic force of the spring and can force it to reset and rotate from the second position to the first position. At this time, the touch portion 6a no longer touches the trigger switch, the trigger switch is disconnected, and the detection signal generated by the detection device is disconnected and no detection is performed. Therefore, it can be known from the structure of the imaging device 1 described above that to achieve normal printing work, the movable guide rail 6 needs to move relative to the fixed guide rail 5 and touch the trigger switch. The following will describe in detail the relevant structure of how the developing box 500 pushes the movable guide rail 6 and realizes the relevant detection function.
如图23-34所示,示出了本发明实施例5中的一种显影盒500,显影盒500可沿着预定的安装方向可拆卸的安装在上述成像设备1中,显影盒500同样包括壳体501,壳体501具有可容纳显影剂的主体部分501a和分别设置在主体部分501a左右两侧的导电侧护盖501b和驱动侧护盖501c,壳体501还包括设置在主体部分501a和驱动侧护盖501c之间轴承件508;显影盒500还包括设置在壳体 501后端的把手502和前端的显影辊503以及部分支撑于主体部分501a内部的用于搅拌显影剂的搅拌架(未示出)。As shown in Figures 23-34, a developing box 500 in embodiment 5 of the present invention is shown. The developing box 500 can be detachably installed in the above-mentioned imaging device 1 along a predetermined installation direction. The developing box 500 also includes a shell 501, and the shell 501 has a main body 501a that can accommodate developer and a conductive side cover 501b and a driving side cover 501c respectively arranged on the left and right sides of the main body 501a. The shell 501 also includes a bearing member 508 arranged between the main body 501a and the driving side cover 501c; the developing box 500 also includes a bearing member 508 arranged in the shell The handle 502 at the rear end of the main body portion 501, the developing roller 503 at the front end, and a stirring frame (not shown) for stirring the developer are partially supported inside the main body portion 501a.
并且在本实施例中,显影盒500也包括设置在壳体501右端的驱动力接收构件510、驱动齿轮505以及设置在驱动力接收构件510和驱动齿轮505之间的弹性构件511,驱动力接收构件510可接收成像设备1中驱动力施加构件3输出的旋转驱动力旋转,驱动齿轮505与驱动力接收构件510同轴设置并可响于驱动力接收构件510的旋转而旋转,并且,驱动力接收构件510相对于壳体501在左右方向上可移动;可选择的是,驱动力接收构件510也可以在左右方向上相对于壳体501固定的方式设置在显影盒500中,在显影盒500的安装过程中,驱动力接收构件510可通过推压驱动力施加构件3而使其伸缩,从而对驱动力接收构件510进行避让实现啮合,该种结构布置的驱动力接收构件510可使得显影盒500无需设置弹性构件511,显影盒500的结构将得到进一步的简化;进一步的,驱动力接收构件510和驱动齿轮505为间隙配合,驱动力接收构件510可相对于驱动齿轮505在与左右方向交叉的方向上(径向方向)摆动,这大大降低了因制造误差或安装误差导致其与成像设备的动力输出件发生干涉的概率,提高了驱动力接收构件510与驱动力施加构件3的耦合成功率;进一步的,弹性构件511构造为锥形的弹簧,具体为圆锥螺旋弹簧,其抵接在驱动力接收构件510上的构造为突起的第一限位部521a和驱动齿轮505内腔中的构造为凹槽的第二定位部521b1之间,圆锥螺旋弹簧直径较小的一端定位在驱动力接收构件510的第一定位部521a上,直径较大的一端定位在驱动齿轮505的第二定位部521b1上,如此一来,圆锥螺旋弹簧的左右两端被定位,当外力作用在驱动力接收构件510上,驱动力接收构件510可克服圆锥螺旋弹簧的弹性力沿着与左右方向交叉的径向方向摆动,这时圆锥螺旋弹簧发生扭曲形变,待外力从驱动力接收构件510上撤去后,圆锥螺旋弹簧蓄积的弹性力被释放而能用于复位发生径向移动后的驱动力接收构件510,使得驱动力接收构件510的旋转轴线从与左右方向保持倾斜的方向移动至与左右方向平行的方向,即驱动力接收构件510与驱动齿轮505将再次同轴,可选择的是,驱动力接收构件510上可设置有构造为凹槽的第一定位部521a,在驱动齿轮505上设置有构造为突起的第二定位部521b1,弹性构件511可同样被定位,这并不是限定的。 In the present embodiment, the developing box 500 also includes a driving force receiving member 510, a driving gear 505 and an elastic member 511 arranged at the right end of the shell 501, the driving force receiving member 510 can receive the rotational driving force output by the driving force applying member 3 in the imaging device 1, the driving gear 505 is coaxially arranged with the driving force receiving member 510 and can rotate in response to the rotation of the driving force receiving member 510, and the driving force receiving member 510 is movable in the left and right directions relative to the shell 501; optionally, the driving force receiving member 510 can also be arranged in the developing box 500 in a fixed manner relative to the shell 501 in the left and right directions. During the installation of the developing box 500, the driving force receiving member 510 can be extended and retracted by pushing the driving force applying member 3, so that the driving force receiving member 510 is avoided and meshed. The driving force receiving member 510 with this structural arrangement does not need to be provided with an elastic member 511 in the developing box 500, and the structure of the developing box 500 will be further simplified; further, the driving force receiving member 510 and the driving gear 505 are clearance-matched, and the driving force receiving member 510 can swing relative to the driving gear 505 in a direction intersecting the left and right directions (radial direction), which greatly reduces the probability of interference with the power output part of the imaging device due to manufacturing errors or installation errors, and improves the driving force receiving member 510. The coupling success rate with the driving force applying member 3; further, the elastic member 511 is constructed as a conical spring, specifically a conical coil spring, which abuts between the first limiting portion 521a constructed as a protrusion on the driving force receiving member 510 and the second positioning portion 521b1 constructed as a groove in the inner cavity of the driving gear 505. The end with a smaller diameter of the conical coil spring is positioned on the first positioning portion 521a of the driving force receiving member 510, and the end with a larger diameter is positioned on the second positioning portion 521b1 of the driving gear 505. In this way, the left and right ends of the conical coil spring are positioned, and when external force acts on the driving force receiving member 510, the driving force receiving member 510 can overcome the elastic force of the conical coil spring and move along the left and right The driving force receiving member 510 swings in the radial direction intersecting the left and right directions. At this time, the conical coil spring is twisted and deformed. After the external force is removed from the driving force receiving member 510, the elastic force stored in the conical coil spring is released and can be used to reset the driving force receiving member 510 after the radial movement, so that the rotation axis of the driving force receiving member 510 moves from a direction inclined with the left and right directions to a direction parallel with the left and right directions, that is, the driving force receiving member 510 and the driving gear 505 will be coaxial again. Optionally, the driving force receiving member 510 may be provided with a first positioning portion 521a constructed as a groove, and the driving gear 505 may be provided with a second positioning portion 521b1 constructed as a protrusion, and the elastic member 511 may be positioned in the same way. This is not a limitation.
除此之外,显影盒500还包括与驱动齿轮505直接啮合而能接收旋转驱动力的显影辊齿轮506,显影辊齿轮506设置在显影辊503的右端并可驱动显影辊503旋转;以及与驱动齿轮505直接啮合的传递齿轮507和与传递齿轮507啮合的搅拌架齿轮519,搅拌架齿轮519设置在搅拌架的右端,搅拌架齿轮519通过传递齿轮507可接收驱动齿轮505的旋转驱动力而旋转,进而可驱动搅拌架旋转。In addition, the developing box 500 also includes a developing roller gear 506 that is directly engaged with the driving gear 505 and can receive a rotational driving force. The developing roller gear 506 is arranged at the right end of the developing roller 503 and can drive the developing roller 503 to rotate; as well as a transfer gear 507 that is directly engaged with the driving gear 505 and a stirring frame gear 519 that is engaged with the transfer gear 507. The stirring frame gear 519 is arranged at the right end of the stirring frame. The stirring frame gear 519 can receive the rotational driving force of the driving gear 505 through the transfer gear 507 and rotate, thereby driving the stirring frame to rotate.
显影盒500还包括分别设置在壳体501左右两端的第一可动部520,第一可动部520可移动的支撑在壳体501上,位于壳体501左右两端的第一可动部520具有大体相同的结构和位置,接下来为便于描述,以位于壳体501右端的第一可动部520为例进行说明;具体的,驱动侧护盖501c上设置有构造为弧形槽的第一轨道521以及位于第一轨道521后端设置在壳体501上的构造为突起的限位部509,第一可动部520的一部分安装在第一轨道521上并可沿着第一轨道521预设的路径移动,其在向远离显影辊503的移动的过程中可被限位部509阻挡而被限位,以限制第一可动部520的移动行程;进一步的,第一可动部520以可相对于壳体501滑动的方式安装在壳体501上;第一可动部520相对于壳体501可在靠近显影辊503的第一位置和远离显影辊503的第二位置之间移动,当第一可动部520未受到外力作用时,显影盒500位于第一位置;具体的来说,第一可动部520包括位于第一可动部520一侧端(本实施例中指下端)并突出于壳体501之外的力接收部,力接收部可接收来自成像设备1中施力件10的迫推力,力接收部包括一对在前后方向上对向设置的第一力接收部520a和第二力接收部520b,力接收部包括第一力接收部520a的至少一部分面向显影盒500的前侧,第二力接收部520b的至少一部分面向显影盒500的后侧;第一可动部520还包括位于第一可动部520另一侧端(本实施例中指上端)上并构造为突起的卡接部520c,当显影盒500安装在成像设备1中时,第一卡接部520c卡接在成像设备1的可移动导轨6中,在显影盒500需要被成像设备1进行检测时,施力件10施力至第一可动部520的第一力接收部520a而使第一可动部520相对于壳体501向后从第一位置移动至第二位置处,移动的过程中,第一卡接部520c可驱动可移动导轨6向后摆动,使得可移动导轨6的触碰部6a触碰成像设备1的检测开关,从而实现检测功能,也就是说,在第一可动部520从第一位置移动至第二位置实现被成像设备1检测功能过程中,显影盒500依旧位于第一位置,即壳体501 和支撑在壳体501上的驱动力接收构件510将相对于驱动力施加构件3保持静止,驱动力接收构件510和驱动力施加构件3将一直保持啮合状态而不会相互脱离,因此,相比于现有技术,这将避免二者之间因频繁啮合和脱离啮合产生的磨损和干涉。The developer cartridge 500 further includes first movable portions 520 respectively disposed at the left and right ends of the housing 501. The first movable portions 520 are movably supported on the housing 501. The first movable portions 520 disposed at the left and right ends of the housing 501 have substantially the same structure and position. For ease of description, the first movable portion 520 disposed at the right end of the housing 501 is taken as an example for description. Specifically, a first track 521 configured as an arc-shaped groove and a stopper 509 configured as a protrusion disposed on the housing 501 at the rear end of the first track 521 are disposed on the driving side protective cover 501c. A portion of the first movable portion 520 is mounted on the first track 521 and can move along the first track 5 21 preset path movement, in the process of moving away from the developing roller 503, it can be blocked by the limiting portion 509 and limited, so as to limit the movement stroke of the first movable portion 520; further, the first movable portion 520 is installed on the shell 501 in a slidable manner relative to the shell 501; the first movable portion 520 can move between a first position close to the developing roller 503 and a second position away from the developing roller 503 relative to the shell 501, when the first movable portion 520 is not subjected to external force, the developing box 500 is located in the first position; specifically, the first movable portion 520 includes a portion located at one side end (the lower end in this embodiment) of the first movable portion 520 and protruding from the shell The force receiving portion outside the body 501 can receive the forced pushing force from the force-applying member 10 in the imaging device 1, and the force receiving portion includes a pair of first force receiving portions 520a and a second force receiving portion 520b arranged opposite to each other in the front-to-back direction, and the force receiving portion includes at least a portion of the first force receiving portion 520a facing the front side of the developing box 500, and at least a portion of the second force receiving portion 520b facing the rear side of the developing box 500; the first movable portion 520 also includes a clamping portion 520c located on the other side end (the upper end in this embodiment) of the first movable portion 520 and configured as a protrusion. When the developing box 500 is installed in the imaging device 1, the first clamping portion 520c is clamped on the imaging box In the movable guide rail 6 of the device 1, when the developing box 500 needs to be detected by the imaging device 1, the force applying member 10 applies force to the first force receiving portion 520a of the first movable portion 520 so that the first movable portion 520 moves backward from the first position to the second position relative to the shell 501. During the movement, the first clamping portion 520c can drive the movable guide rail 6 to swing backward, so that the contact portion 6a of the movable guide rail 6 touches the detection switch of the imaging device 1, thereby realizing the detection function. That is to say, during the process of the first movable portion 520 moving from the first position to the second position to realize the detection function of the imaging device 1, the developing box 500 is still located in the first position, that is, the shell 501. The driving force receiving member 510 supported on the shell 501 will remain stationary relative to the driving force applying member 3, and the driving force receiving member 510 and the driving force applying member 3 will always remain in an engaged state and will not disengage from each other. Therefore, compared with the prior art, this will avoid wear and interference between the two due to frequent engagement and disengagement.
在壳体501和第一可动部520之间还设置有第二弹性件532,具体的,第二弹性件532一端连接在驱动侧护盖501c上,另一端连接在第一可动部520的上端(即远离力接收部与力接收部相对的一端上),由于搅拌架齿轮519在左右方向上布置在壳体501的主体部分501a和轴承件508之间,也就是说,搅拌架齿轮519未设置轴承件508的右侧空间内,因此,搅拌架齿轮519在左右方向上所对应的轴承件508的右端被空置,该空置的空间可用以容纳第二弹性件532,换句话说,沿着左右方向投影,第二弹性件532与搅拌架齿轮519具有重叠部分,在显影盒500的第一可动部520未受到外力作用时,第二弹性件532产生的弹性力可作用在第一可动部520上而能将第一可动部520保持在第一位置,当第一可动部520的第一力接收部520a受到外力迫推时,第一可动部520可克服第二弹性件532的弹性力相对于壳体501向后从第一位置移动至第二位置处,处于第二位置下的第一可动部520相比于位于第一位置下的第一可动部520其力接收部更远离显影辊503,待外力从第一可动部520上撤去后,第二弹性件532的弹性力被释放并施加在第一可动部520上而使得第一可动部520从第二位置复位移动至第一位置,也就是说,第二弹性件532可用于在第一可动部未受外力作用时将第一可动部520保持在第一位置,还能用于将第一可动部520从第二位置复位移动至第一位置,值得一提的是,第二弹性件532为拉簧,在第一可动部520的移动过程中,一端连接在其上的第二弹性件532可跟随第一可动部520的移动而摆动,避免其发生弯曲而影响二者的连接稳定性。A second elastic member 532 is further provided between the housing 501 and the first movable portion 520. Specifically, one end of the second elastic member 532 is connected to the driving side cover 501c, and the other end is connected to the upper end of the first movable portion 520 (i.e., the end away from the force receiving portion and opposite to the force receiving portion). Since the stirring frame gear 519 is arranged between the main body 501a of the housing 501 and the bearing member 508 in the left-right direction, that is, the stirring frame gear 519 is not arranged in the right side space of the bearing member 508, The right end of the bearing member 508 corresponding to the stirring rack gear 519 in the left-right direction is vacant, and the vacant space can be used to accommodate the second elastic member 532. In other words, along the left-right direction projection, the second elastic member 532 and the stirring rack gear 519 have an overlapping portion. When the first movable portion 520 of the developing cartridge 500 is not acted upon by an external force, the elastic force generated by the second elastic member 532 can act on the first movable portion 520 to keep the first movable portion 520 in the first position. When the receiving portion 520a is pushed by an external force, the first movable portion 520 can overcome the elastic force of the second elastic member 532 and move backward from the first position to the second position relative to the shell 501. The force receiving portion of the first movable portion 520 in the second position is farther away from the developing roller 503 than the first movable portion 520 in the first position. After the external force is removed from the first movable portion 520, the elastic force of the second elastic member 532 is released and applied to the first movable portion 520, so that the first movable portion 520 is reset and moved from the second position to the first position. In other words, the second elastic member 532 can be used to keep the first movable portion 520 in the first position when the first movable portion is not acted upon by an external force, and can also be used to reset and move the first movable portion 520 from the second position to the first position. It is worth mentioning that the second elastic member 532 is a tension spring. During the movement of the first movable portion 520, the second elastic member 532 connected to it at one end can swing along with the movement of the first movable portion 520 to prevent it from bending and affecting the connection stability between the two.
显影盒500还包括设置在壳体501下侧的第二可动部516,第二可动部516与第一可动部520分体设置并相对于壳体501可在显影盒500的安装方向上移动,在本发明中,第二可动部516构造为滑块,并且,在壳体501的轴承件508上设置有构造为滑槽的第二轨道517,该第二轨道517大体上在显影盒500的安装方向上延伸,可选择的是,第二轨道517的延伸方向也可以是与前后方向交叉的方向,只要其具有在前后方向延伸的部分即可,第二可动部516安装在第二轨 道517上并可沿着第二轨道517预设的路径移动,即第二可动部516可沿着第二轨道517相对于壳体501朝着靠近或远离显影辊503的方向上滑动,并且,在显影盒500的安装方向上,第二轨道517的上游侧和下游侧均设置有用于阻挡并限制第二可动部516移动行程的阻挡部531,阻挡部531可阻挡第二可动部516以将第二可动部516限制在一定范围内移动。The developer cartridge 500 further includes a second movable portion 516 disposed at the lower side of the housing 501. The second movable portion 516 is separately disposed from the first movable portion 520 and can move relative to the housing 501 in the installation direction of the developer cartridge 500. In the present invention, the second movable portion 516 is configured as a slider, and a second track 517 configured as a slide groove is provided on the bearing member 508 of the housing 501. The second track 517 generally extends in the installation direction of the developer cartridge 500. Optionally, the extension direction of the second track 517 can also be a direction intersecting the front-to-back direction, as long as it has a portion extending in the front-to-back direction. The second movable portion 516 is installed on the second track The second movable portion 516 is disposed on the second rail 517 and can move along a preset path of the second rail 517, that is, the second movable portion 516 can slide along the second rail 517 relative to the housing 501 in a direction close to or away from the developing roller 503, and, in the installation direction of the developing box 500, the upstream side and the downstream side of the second rail 517 are both provided with a blocking portion 531 for blocking and limiting the moving stroke of the second movable portion 516, and the blocking portion 531 can block the second movable portion 516 to limit the movement of the second movable portion 516 within a certain range.
不仅如此,壳体501和第二可动部516之间还连接有第一弹性件515,也就是说,第一弹性件515一端的第一连接部连接在壳体501上,另一端的第二连接部连接在第二可动部516上,第一弹性件515的第一连接部位于第二连接部的后侧,换句话说,在显影盒500的安装方向上,第一连接部位于第二连接部的上游侧;优选的,第一弹性件515为拉簧,第一连接部和第二连接部构造为钩环,钩环可分别钩在壳体501和第二可动部516上而被定位,在一对钩环之间,第一弹性件515还设置有连接第一连接部和第二连接部的可形变部115a,可形变部115a构造为多个沿着拉簧的长度方向排列的线圈,自右向左观察时,第一可动部520覆盖第一弹性件515的可形变部115a的至少一部分,换句话说,第一可动部520与第一弹性件515的可形变部115a具有重叠部分,在第一可动部520未受到外力作用时,第一弹性件515产生的弹性力可作用在第二可动部516上而使其与上游侧的阻挡部531抵接并将其保持在该位置,为便于描述,该位置定义为第二可动部516的第一位置,当第二可动部516位于第一位置时,沿着左右方向投影,第一弹性件515的投影范围位于搅拌架齿轮519的投影范围之外,换句话说,在与左右方向垂直的方向上,第一弹性件515与搅拌架齿轮519间隔设置,这使得第一弹性件515能尽可能的远离搅拌架齿轮519,避免搅拌架齿轮519在左右方向上覆盖的位置处设置过多零部件而易引起的各零部件的干涉,使得个零部件可以一种相对于均匀的方式布置在壳体501的右端,在第一可动部520的第二力接收部520b受到向前(朝着靠近显影辊503方向)的迫推力时,采用上述位置布置的第一可动部520可克服第二弹性件532的弹性力向前移动并迫推第二可动部516而从第一位置移动至第三位置,处于第三位置下的第一可动部520相对于处于第一位置下的第一可动部520其力接收部更靠近显影辊503,与此同时,第二可动部516可克服第一弹性件515的弹性力沿着第二轨道517从第一位置移动至相对于第一位置更靠近显影辊503的第二位置处,在第二可动部516移动的过程 中,第一弹性件515发生形变产生的弹性力会施加在壳体501上,该弹性力具有朝向靠近显影辊503方向的分力,这使得支撑在壳体501上的显影辊503向前施压至感光鼓23,二者以一定压力F保持接触以确保显影盒500正常显影成像,这时,显影盒500处于第二位置,虽然显影盒500在此过程中发生了移动,但是其移动的距离较小且驱动力接收构件510在径向方向上具有一定的可摆动量,这将不足以使得驱动力接收构件510与驱动力施加构件3脱离啮合,因此,处于第二位置时的显影盒500,驱动力接收构件510与驱动力施加构件3依旧保持啮合的啮合状态。值得一提的是,在第二可动部516移动的过程中,第一弹性件515被拉伸时的拉伸方向与第二可动部516的移动方向大致平行,这使得在第二可动部516的移动过程中,第一弹性件515的长度的延伸方向大体上保持不变,力传递方向不会随着第二可动部516的移动而发生改变,传递至显影辊503的弹性力变得稳定且可控。Moreover, a first elastic member 515 is connected between the housing 501 and the second movable portion 516, that is, a first connecting portion at one end of the first elastic member 515 is connected to the housing 501, and a second connecting portion at the other end is connected to the second movable portion 516, and the first connecting portion of the first elastic member 515 is located at the rear side of the second connecting portion. In other words, in the installation direction of the developing cartridge 500, the first connecting portion is located at the upstream side of the second connecting portion; preferably, the first elastic member 515 is a tension spring, and the first connecting portion and the second connecting portion are configured as hooks, which can be hooked on the housing 501 and the second movable portion 516 respectively to be positioned, and between a pair of hooks, the first elastic member 5 The first movable part 520 also includes a deformable part 115a connecting the first connecting part and the second connecting part. The deformable part 115a is constructed as a plurality of coils arranged along the length direction of the tension spring. When viewed from right to left, the first movable part 520 covers at least a portion of the deformable part 115a of the first elastic member 515. In other words, the first movable part 520 and the deformable part 115a of the first elastic member 515 have an overlapping portion. When the first movable part 520 is not acted upon by an external force, the elastic force generated by the first elastic member 515 can act on the second movable part 516 to make it abut against the blocking part 531 on the upstream side and keep it at this position. For the convenience of description, this position is defined as the second The first position of the movable part 516, when the second movable part 516 is in the first position, the projection range of the first elastic member 515 along the left-right direction is outside the projection range of the stirring rack gear 519. In other words, in the direction perpendicular to the left-right direction, the first elastic member 515 and the stirring rack gear 519 are spaced apart, so that the first elastic member 515 can be as far away from the stirring rack gear 519 as possible, avoiding the interference of various components caused by setting too many components at the position covered by the stirring rack gear 519 in the left-right direction, so that the various components can be arranged at the right end of the shell 501 in a relatively uniform manner, and the second force contact of the first movable part 520 is formed. When the receiving portion 520b is pushed forward (towards the direction close to the developing roller 503), the first movable portion 520 arranged in the above position can overcome the elastic force of the second elastic member 532 to move forward and push the second movable portion 516 to move from the first position to the third position. The force receiving portion of the first movable portion 520 in the third position is closer to the developing roller 503 than the first movable portion 520 in the first position. At the same time, the second movable portion 516 can overcome the elastic force of the first elastic member 515 and move along the second track 517 from the first position to the second position closer to the developing roller 503 relative to the first position. In the process of the second movable portion 516 moving In the process, the elastic force generated by the deformation of the first elastic member 515 will be applied to the shell 501, and the elastic force has a component force toward the direction close to the developing roller 503, which makes the developing roller 503 supported on the shell 501 press forward to the photosensitive drum 23, and the two maintain contact with a certain pressure F to ensure that the developing box 500 develops the image normally. At this time, the developing box 500 is in the second position. Although the developing box 500 moves during this process, the moving distance is small and the driving force receiving member 510 has a certain swingable amount in the radial direction, which will not be enough to make the driving force receiving member 510 disengage from the driving force applying member 3. Therefore, when the developing box 500 is in the second position, the driving force receiving member 510 and the driving force applying member 3 still maintain an engaged state. It is worth mentioning that during the movement of the second movable part 516, the stretching direction of the first elastic member 515 when being stretched is roughly parallel to the moving direction of the second movable part 516, which makes the extension direction of the length of the first elastic member 515 generally remain unchanged during the movement of the second movable part 516, and the force transmission direction will not change with the movement of the second movable part 516, and the elastic force transmitted to the developing roller 503 becomes stable and controllable.
总的来说,本发明中的显影盒500不论是在带动可移动轨道6被成像设备1检测,还是以显影辊503与感光鼓23以一定压力F接触时,显影盒500的驱动力接收构件510与驱动力施加构件3始终保持在啮合状态,相对于现有技术,这将避免二者之间因频繁啮合和脱离啮合产生的磨损和干涉。In general, no matter the developing box 500 in the present invention is driving the movable rail 6 to be detected by the imaging device 1, or the developing roller 503 is in contact with the photosensitive drum 23 with a certain pressure F, the driving force receiving member 510 of the developing box 500 and the driving force applying member 3 are always kept in an engaged state. Compared with the prior art, this will avoid wear and interference between the two due to frequent engagement and disengagement.
实施例6Example 6
接下来将介绍本发明中的实施例6,如图35所示,示出了一种显影盒600,显影盒600与上述实施例6中的显影盒相同的部分,本实施例中将不再赘述,不同之处在于,本实施例中的第一可动部620相对于壳体601可旋转,也就是说,第一可动部620可在第一位置、第二位置和第三位置之间旋转,具体的,第一可动部620为杠杆,其具有旋转中心620d,从左右方向上观察,该旋转中心620d位于第一可动部620上,优选的,第一可动部620上用于安装第二弹性件632的安装部设置在力接收部和旋转中心220d之间;进一步,旋转中心620d位于第一可动部620长度方向的一末端,即旋转中心220d设置在第一可动部620上的与第一力接收部620a相对的另一端(及上端),一方面可使得第一可动部620在由第一位置旋转至第二位置的过程中可迫使第一卡接部620c旋转足够的角度,从而驱动可移动导轨6向后摆动,使得可移动导轨6的触碰部6a能触碰成像设备1的检测开关,实现检测功能,另一方面,也可使得第一可动部620上旋 转中心620d所处的一侧位移距离变得足够小,能避免第一可动部620在旋转过程中与传递齿轮发生干涉;对于第一可动部620在迫推第二可动部616时第一可动部620的动作过程这里就不再赘述。因此,通过将第一可动部620设置成相对于壳体601可旋转的结构,这同样可实现上述显影盒的相关功能。Next, the sixth embodiment of the present invention will be described. As shown in FIG. 35 , a developing box 600 is shown. The parts of the developing box 600 that are the same as those in the sixth embodiment will not be described in detail in this embodiment. The difference is that the first movable part 620 in this embodiment is rotatable relative to the housing 601, that is, the first movable part 620 is rotatable between the first position, the second position and the third position. Specifically, the first movable part 620 is a lever having a rotation center 620d. When viewed from the left and right directions, the rotation center 620d is located on the first movable part 620. Preferably, the first movable part 620 is used to install the second elastic member 63 2 is arranged between the force receiving portion and the rotation center 220d; further, the rotation center 620d is located at one end of the length direction of the first movable portion 620, that is, the rotation center 220d is arranged on the other end (and the upper end) of the first movable portion 620 opposite to the first force receiving portion 620a. On the one hand, the first movable portion 620 can force the first clamping portion 620c to rotate a sufficient angle during the process of rotating from the first position to the second position, thereby driving the movable guide rail 6 to swing backward, so that the touching portion 6a of the movable guide rail 6 can touch the detection switch of the imaging device 1 to realize the detection function. On the other hand, it can also make the first movable portion 620 rotate upward. The displacement distance on one side where the rotation center 620d is located becomes small enough to avoid the first movable part 620 from interfering with the transmission gear during the rotation process; the action process of the first movable part 620 when the first movable part 620 pushes the second movable part 616 will not be described here. Therefore, by setting the first movable part 620 to be rotatable relative to the housing 601, the related functions of the above-mentioned developing cartridge can also be realized.
实施例7Example 7
接下来将介绍本发明中的实施例7,如图36-40所示,示出了一种显影盒700,显影盒700与上述实施例5-6中的显影盒相同的部分,本实施例中将不再赘述,不同之处在于,显影盒700中仅布置有一个弹性件,即第二弹性件740,接下来将对显影盒700进行具体的描述。Next, Example 7 of the present invention will be introduced. As shown in Figures 36-40, a developing box 700 is shown. The parts of the developing box 700 that are the same as the developing boxes in the above-mentioned Examples 5-6 will not be repeated in this embodiment. The difference is that only one elastic member, namely the second elastic member 740, is arranged in the developing box 700. Next, the developing box 700 will be described in detail.
显影盒700的第一可动部720同实施例6中的第一可动部相同,二者均相对于壳体701可绕旋转中心720d旋转,这里就不再赘述,可选择的是,也可以是和实施例5中的第一可动部相对于壳体可滑动的结构,这并不是限定的;在壳体701的右端部还设置有从壳体701的右端面向内凹进的槽部701f,自右向左观察时,槽部710f的外形大体呈扇形,在槽部310f的底部还设置有构造为弧形的第三轨道701e,第三轨道701e与第一轨道具有大致的延伸方向;显影盒700还包括从壳体701的右端部向外突出并在上下方向上设置在旋转中心720d和第三轨道701e之间的第一安装位701d,以及设置在第一可动部720上朝着壳体701的左端突出的第二安装位720e,第二安装位720e可***至第三轨道701e中而能定位第一可动部720,使得第一可动部720可沿着第三轨道701e预设的路径进行移动。The first movable portion 720 of the developing box 700 is the same as the first movable portion in Example 6. Both of them can rotate around the rotation center 720d relative to the shell 701. It will not be repeated here. Optionally, it can also be a structure in which the first movable portion in Example 5 can slide relative to the shell, which is not limited. A groove portion 701f is also provided at the right end of the shell 701, which is recessed inward from the right end surface of the shell 701. When viewed from right to left, the shape of the groove portion 710f is generally fan-shaped, and a third track 701 constructed in an arc shape is also provided at the bottom of the groove portion 310f. e, the third track 701e and the first track have a roughly extending direction; the developing box 700 also includes a first mounting position 701d protruding outward from the right end of the shell 701 and arranged in the up and down directions between the rotation center 720d and the third track 701e, and a second mounting position 720e arranged on the first movable part 720 and protruding toward the left end of the shell 701. The second mounting position 720e can be inserted into the third track 701e to position the first movable part 720, so that the first movable part 720 can move along the preset path of the third track 701e.
第二弹性件740相对于壳体701可旋转的安装在壳体701上,第二弹性件740的至少一部分位于槽部701f中,以避免其在旋转过程中显影盒700的例如传递齿轮等部件发生干涉,第二弹性件740长度方向两端安装在第一安装位701d和第二安装位720e之间而被定位;在左右方向上,第二弹性件740相对于第一可动部720的力接收部布置在更靠近壳体701的左端的位置处,从而确保第二弹性件740能容纳在槽部701f中,进而避免干涉。The second elastic member 740 is rotatably mounted on the shell 701 relative to the shell 701, and at least a portion of the second elastic member 740 is located in the groove 701f to avoid interference with components such as the transfer gear of the developer box 700 during rotation. Both ends of the second elastic member 740 in the length direction are mounted between the first mounting position 701d and the second mounting position 720e and are positioned; in the left and right directions, the force receiving portion of the second elastic member 740 relative to the first movable portion 720 is arranged at a position closer to the left end of the shell 701, thereby ensuring that the second elastic member 740 can be accommodated in the groove 701f to avoid interference.
从前述实施例中可以知道,当第一可动部720未受到外力作用时,第一可动部720处于第一位置,此时,第二弹性件740未被拉伸,第一可动部720处于第一位置的状态得以保持;待第一可动部720从第一位置旋转至第二位置的过程 中,第二弹性件740响应于第一可动部720的旋转而朝着与第一可动部720的旋转方向相同的方向旋转并被逐渐拉伸,拉伸产生的弹性力可用于在作用在第一可动部720上的推动力撤去后复位第一可动部720,使其从第二位置再次移动至第一位置;当第一可动部720从第一位置移动至第三位置时,第二弹性件740同样被拉伸而产生有弹性力,该弹性力可作用在壳体701上,使得支撑在壳体701上的显影辊703朝着感光鼓迫压,从而使得显影辊703与感光鼓以一定压力保持接触,也就是说,第二弹性件740被拉伸后可为显影辊703和感光鼓之间的接触提供压力;总的来说,第一可动部720未受力时通过第二弹性件740作用而被保持在第一位置,第一可动部720受力从第一位置移动至第二位置,第二弹性件740会拉伸变形其产生的弹性力可复位第一可动部720,第一可动部720受力从第一位置旋转至第三位置,第二弹性件740同样会拉伸变形其产生的弹性力可用于迫使显影辊703与感光鼓保持压力接触;进一步的,第一安装位701d距离处于第一位置时的第一可动部720的第二安装位720e的长度为L1,第一安装位701d距离处于第二位置时的第一可动部720的第二安装位720e的长度为L2,第一安装位701d距离处于第三位置时的第一可动部720的第二安装位720e的长度为L3,其中,L2>L3>L1,换句话说,当第一可动部720处于第一位置时,第二弹性件740的长度为P1,当第一可动部720处于第二位置时,第二弹性件740的长度为P2,当第一可动部720处于第三位置时,第二弹性件740的长度为P3,P2>P3>P1,通过这种布置使得第一可动部720在从第一位置移动至第二位置时旋转的角度将大于从第一位置移动至第三位置时旋转的角度,以允许第一可动部720驱动可移动导轨6向后摆动,使得可移动导轨6的触碰部6a能触碰成像设备1的检测开关,实现检测功能。It can be known from the above embodiments that when the first movable part 720 is not acted upon by an external force, the first movable part 720 is in the first position. At this time, the second elastic member 740 is not stretched, and the state of the first movable part 720 in the first position is maintained. When the first movable part 720 rotates from the first position to the second position, In the embodiment, the second elastic member 740 rotates in the same direction as the rotation direction of the first movable portion 720 in response to the rotation of the first movable portion 720 and is gradually stretched. The elastic force generated by the stretching can be used to reset the first movable portion 720 after the driving force acting on the first movable portion 720 is removed, so that it moves from the second position to the first position again; when the first movable portion 720 moves from the first position to the third position, the second elastic member 740 is also stretched to generate an elastic force, which can act on the housing 701, so that the developing roller 703 supported on the housing 701 is pressed toward the photosensitive drum, The developing roller 703 and the photosensitive drum are thereby kept in contact with each other at a certain pressure. That is to say, the second elastic member 740 can provide pressure for the contact between the developing roller 703 and the photosensitive drum after being stretched. In general, when the first movable portion 720 is not subjected to force, it is maintained in the first position by the action of the second elastic member 740. When the first movable portion 720 is subjected to force and moves from the first position to the second position, the second elastic member 740 will be stretched and deformed, and the elastic force generated by the second elastic member 740 can reset the first movable portion 720. When the first movable portion 720 is subjected to force and rotates from the first position to the third position, the second elastic member 740 will also be stretched and deformed, and the elastic force generated by the second elastic member 740 can reset the first movable portion 720. The elastic force can be used to force the developing roller 703 to maintain pressure contact with the photosensitive drum; further, the length of the first mounting position 701d from the second mounting position 720e of the first movable part 720 when it is in the first position is L1, the length of the first mounting position 701d from the second mounting position 720e of the first movable part 720 when it is in the second position is L2, and the length of the first mounting position 701d from the second mounting position 720e of the first movable part 720 when it is in the third position is L3, wherein L2>L3>L1. In other words, when the first movable part 720 is in the first position, the second elastic force can be used to force the developing roller 703 to maintain pressure contact with the photosensitive drum; further, the length of the first mounting position 701d from the second mounting position 720e of the first movable part 720 when it is in the first position is L1, the length of the first mounting position 701d from the second mounting position 720e of the first movable part 720 when it is in the second position is L2, and the length of the first mounting position 701d from the second mounting position 720e of the first movable part 720 when it is in the third position is L3. The length of the member 740 is P1. When the first movable part 720 is in the second position, the length of the second elastic member 740 is P2. When the first movable part 720 is in the third position, the length of the second elastic member 740 is P3. P2>P3>P1. Through this arrangement, the rotation angle of the first movable part 720 when moving from the first position to the second position will be greater than the rotation angle when moving from the first position to the third position, so as to allow the first movable part 720 to drive the movable guide rail 6 to swing backward, so that the touch part 6a of the movable guide rail 6 can touch the detection switch of the imaging device 1 to realize the detection function.
因此,可以知道的是,本实施例中的显影盒700通过仅使用一个可响应于第一可动部720的移动而旋转的第二弹性件740即可实现上述功能,相比于前述实施例,减少了弹性件的使用数量,降低了生产成本,提高了显影盒的组装速度。Therefore, it can be known that the developing box 700 in this embodiment can achieve the above-mentioned function by using only a second elastic member 740 that can rotate in response to the movement of the first movable part 720. Compared with the previous embodiment, the number of elastic members used is reduced, the production cost is reduced, and the assembly speed of the developing box is improved.
一方面,通过设置有可相对于壳体移动并可触发成像设备的检测开关的第一可动部,在第一可动部触发检测开关实现检测功能时,驱动力接收构件和驱动力施加构件不会彼此脱离啮合而会一直保持啮合状态,相对于现有技术,这将避免二者之间因频繁啮合和脱离啮合产生的磨损和干涉; On the one hand, by providing a first movable part that can move relative to the housing and can trigger the detection switch of the imaging device, when the first movable part triggers the detection switch to realize the detection function, the driving force receiving member and the driving force applying member will not be disengaged from each other but will always remain in an engaged state. Compared with the prior art, this will avoid wear and interference caused by frequent engagement and disengagement between the two.
另一方面,通过设置有可响应于可动部的移动而能相对于壳体旋转的弹性件,弹性件长度的的延伸方向基本保持不变,即始终保持大致直线延伸,弹性力传递变得稳定,因此,显影辊与感光鼓之间的接触压力更加稳定,其有助于提高显影盒的打印品质。 On the other hand, by providing an elastic member that can rotate relative to the shell in response to the movement of the movable part, the extension direction of the length of the elastic member remains basically unchanged, that is, it always maintains a roughly straight extension, and the transmission of elastic force becomes stable. Therefore, the contact pressure between the developing roller and the photosensitive drum is more stable, which helps to improve the printing quality of the developing box.

Claims (18)

  1. 一种显影盒,可拆卸的安装在具有施力件的成像设备中,所述显影盒包括:A developing box is detachably mounted in an imaging device having a force applying member, the developing box comprising:
    壳体,可容纳显影剂,在第一方向上所述壳体具有第一端和与第一端相对的第二端;A housing, capable of accommodating a developer, wherein the housing has a first end and a second end opposite to the first end in a first direction;
    显影辊,可旋转的支撑在所述壳体上,并可绕沿第一方向延伸的显影辊旋转轴线旋转;A developing roller rotatably supported on the housing and rotatable about a developing roller rotation axis extending along a first direction;
    驱动力接收构件,在第一方向上布置在所述壳体的第一端,所述驱动力接收构件配置成传递驱动力至所述显影辊;a driving force receiving member disposed at a first end of the housing in a first direction, the driving force receiving member being configured to transmit a driving force to the developing roller;
    第一可动部,可接收所述施力件施加的推动力而能相对于所述壳体移动,当所述显影盒安装在所述成像设备中,所述第一可动部位于所述壳体的底部;a first movable portion, which can receive the pushing force applied by the force applying member and can move relative to the housing, and when the developing cartridge is installed in the imaging device, the first movable portion is located at the bottom of the housing;
    其特征在于,所述显影盒还包括第一弹性件,所述第一弹性件可响应于所述第一可动部的移动而被拉伸变形。It is characterized in that the developing box also includes a first elastic member, and the first elastic member can be stretched and deformed in response to the movement of the first movable part.
  2. 根据权利要求1所述的显影盒,其特征在于,在与第一方向交叉的方向上,所述第一弹性件的至少一部分相比于所述第一可动部更远离所述显影辊。The developing cartridge according to claim 1, wherein, in a direction intersecting the first direction, at least a portion of the first elastic member is further away from the developing roller than the first movable portion.
  3. 根据权利要求1所述的显影盒,其特征在于,所述第一弹性件分别布置在所述壳体的第一端和第二端,当所述第一可动部接收所述施力件的推动力移动后时,位于所述壳体第一端和第二端的所述第一弹性件的弹性力相等。The developing box according to claim 1 is characterized in that the first elastic member is respectively arranged at the first end and the second end of the shell, and when the first movable part receives the pushing force of the force-applying member and moves, the elastic forces of the first elastic member located at the first end and the second end of the shell are equal.
  4. 根据权利要求1所述的显影盒,其特征在于,所述第一弹性件分别布置在所述壳体的第一端和第二端,当所述第一可动部接收所述施力件的推动力移动后时,位于所述壳体第一端的所述第一弹性件的弹性力小于位于所述壳体第二端的所述第一弹性件的弹性力。The developing box according to claim 1 is characterized in that the first elastic member is respectively arranged at the first end and the second end of the shell, and when the first movable part receives the pushing force of the force-applying member and moves, the elastic force of the first elastic member located at the first end of the shell is smaller than the elastic force of the first elastic member located at the second end of the shell.
  5. 根据权利要求1所述的显影盒,其特征在于,所述第一弹性件为拉簧。The developer box according to claim 1 is characterized in that the first elastic member is a tension spring.
  6. 根据权利要求1所述的显影盒,其特征在于,所述第一可动部可绕支点相对于所述壳体移动,所述第一可动部包括可接收所述施力件的推动力的力接收部,以及连接所述第一弹性件的弹性件安装位,所述支点位于所述力接收部和所述弹性件安装位之间,所述力接收部和所述弹性件安装位分别设置在所述第一可动部长度方向的两端。The developing box according to claim 1 is characterized in that the first movable part can move relative to the shell around a fulcrum, the first movable part includes a force receiving part that can receive the pushing force of the force-applying member, and an elastic member mounting position connected to the first elastic member, the fulcrum is located between the force receiving part and the elastic member mounting position, and the force receiving part and the elastic member mounting position are respectively arranged at both ends of the length direction of the first movable part.
  7. 根据权利要求1所述的显影盒,其特征在于,所述壳体包括上壳体和下壳体以及作为连接所述上壳体和所述下壳体的第一接合部和第二接合部,所述第一接合部位于所述显影盒安装方向的下游侧并构造为从所述壳体的第一端延伸至第 二端,所述第二接合部位于所述显影盒安装方向的上游侧并构造为从所述壳体的第一端延伸至第二端;在与第一方向交叉的方向上,作一条连接所述第一接合部和所述第二接合部的线段,所述线段穿过所述第一弹性件。The developer cartridge according to claim 1, characterized in that the housing comprises an upper housing and a lower housing and a first engaging portion and a second engaging portion as connecting the upper housing and the lower housing, wherein the first engaging portion is located on the downstream side of the developer cartridge installation direction and is configured to extend from the first end of the housing to the second end of the housing. Two ends, the second joining portion is located on the upstream side of the developing box installation direction and is constructed to extend from the first end of the shell to the second end; in the direction intersecting the first direction, a line segment connecting the first joining portion and the second joining portion is made, and the line segment passes through the first elastic member.
  8. 根据权利要求1所述的显影盒,其特征在于,所述显影盒还包括用于搅拌显影剂的搅拌架以及连接在所述搅拌架一端并可驱动所述搅拌架旋转的搅拌架齿轮,沿着第一方向投影,所述第一弹性件与所述搅拌架齿轮具有重叠部分。The developing box according to claim 1 is characterized in that the developing box also includes a stirring frame for stirring the developer and a stirring frame gear connected to one end of the stirring frame and capable of driving the stirring frame to rotate, and when projected along the first direction, the first elastic member and the stirring frame gear have an overlapping portion.
  9. 根据权利要求1所述的显影盒,其特征在于,所述驱动力接收构件可在第一方向上移动,在所述驱动力接收构件和所述壳体之间还设置有弹性构件,所述弹性构件产生的弹性力可施加至所述驱动力接收构件上。The developing box according to claim 1 is characterized in that the driving force receiving member can move in a first direction, and an elastic member is further provided between the driving force receiving member and the shell, and the elastic force generated by the elastic member can be applied to the driving force receiving member.
  10. 根据权利要求9所述的显影盒,其特征在于,所述显影盒还包括与所述驱动力接收构件同轴设置并可响应于所述驱动力接收构件的旋转而旋转的驱动齿轮,所述驱动齿轮与所述驱动力接收构件为间隙配合而能在与第一方向交叉的方向上移动,并且所述弹性构件构造为圆锥螺旋弹簧。The developing box according to claim 9 is characterized in that the developing box also includes a driving gear coaxially arranged with the driving force receiving member and rotatable in response to the rotation of the driving force receiving member, the driving gear and the driving force receiving member are clearance-fitted and can move in a direction intersecting the first direction, and the elastic member is constructed as a conical coil spring.
  11. 根据权利要求1所述的显影盒,其特征在于,所述成像设备包括可移动导轨,所述第一可动部接收所述施力件的推动力相对于所述壳体移动后可驱动所述可移动导轨移动;所述显影盒还包括与所述第一可动部分体设置并与所述第一弹性件连接的第二可动部,所述第二可动部可响应于所述第一可动部的移动而相对于壳体移动,进而可带动所述第一弹性件拉伸变形。The developing box according to claim 1 is characterized in that the imaging device includes a movable guide rail, and the first movable part can drive the movable guide rail to move after receiving the driving force of the force-applying member and moving relative to the shell; the developing box also includes a second movable part that is separately arranged with the first movable part and connected to the first elastic member, and the second movable part can move relative to the shell in response to the movement of the first movable part, thereby driving the first elastic member to stretch and deform.
  12. 根据权利要求11所述的显影盒,其特征在于,所述第一可动部和所述第二可动部均可滑动的安装在所述壳体上。The developing box according to claim 11 is characterized in that the first movable part and the second movable part can be slidably mounted on the shell.
  13. 根据权利要求11所述的显影盒,其特征在于,所述第一弹性件包括分别连接在所述壳体上的第一连接部和连接在所述第二可动部上的第二连接部,以及连接所述第一连接部和所述第二连接部并能发生形变的可形变部,沿着第一方向进行投影,所述可形变部与所述第一可动部具有重叠部分。The developing box according to claim 11 is characterized in that the first elastic member includes a first connecting portion connected to the shell and a second connecting portion connected to the second movable portion, respectively, and a deformable portion connecting the first connecting portion and the second connecting portion and capable of deformation, and projected along a first direction, the deformable portion has an overlapping portion with the first movable portion.
  14. 根据权利要求1所述的显影盒,其特征在于,所述显影盒还包括搅拌架和设置在所述搅拌架一末端并可驱动所述搅拌架旋转的搅拌架齿轮,当所述第一可动部未受到所述施力件的推动力作用时,沿着第一方向投影,所述第一弹性件的投影范围位于所述搅拌架齿轮的投影范围之外。The developing box according to claim 1 is characterized in that the developing box also includes a stirring frame and a stirring frame gear arranged at one end of the stirring frame and capable of driving the stirring frame to rotate, and when the first movable part is not acted upon by the driving force of the force-applying member, projected along the first direction, the projection range of the first elastic member is outside the projection range of the stirring frame gear.
  15. 根据权利要求1所述的显影盒,其特征在于,所述第一可动部可绕位于所述 第一可动部上的旋转中心相对于所述壳体进行旋转。The developing box according to claim 1 is characterized in that the first movable portion can be around the The rotation center on the first movable part rotates relative to the housing.
  16. 根据权利要求1所述的显影盒,其特征在于,所述显影盒还包括连接在所述第一可动部上的第二弹性件,所述第二弹性件可将所述第一可动部复位移动至接收所述施力件的推动力前的位置。The developing box according to claim 1 is characterized in that the developing box also includes a second elastic member connected to the first movable part, and the second elastic member can reset the first movable part to a position before receiving the pushing force of the force applying member.
  17. 根据权利要求16所述的显影盒,其特征在于,所述第二弹性件可响应于所述第一可动部的移动而相对于所述壳体旋转。The developer cartridge according to claim 16, wherein the second elastic member is rotatable relative to the housing in response to movement of the first movable portion.
  18. 根据权利要求17所述的显影盒,其特征在于,所述第一可动部包括用于接收所述施力件的推动力的力接收部,所述第一可动部可在第一位置、第二位置和第三位置之间移动,当所述第一可动部未受到外力作用时处于所述第一位置,所述第一弹性件的长度为P1;当所述第一可动部处于所述第二位置时,所述第一弹性件的长度为P2,所述力接收部位于所述第二位置相比于位于所述第一位置和所述第三位置更远离所述显影辊;当所述第一可动部处于所述第三位置时,所述第一弹性件的长度为P3,所述力接收部位于所述第三位置相比于位于所述第一位置和所述第二位置更靠近所述显影辊,其中,P2>P3>P1。 The developing box according to claim 17 is characterized in that the first movable part includes a force receiving part for receiving the pushing force of the force-applying member, and the first movable part can move between a first position, a second position and a third position. When the first movable part is not subjected to an external force, it is in the first position, and the length of the first elastic member is P1; when the first movable part is in the second position, the length of the first elastic member is P2, and the force receiving part is located at the second position farther away from the developing roller than at the first position and the third position; when the first movable part is in the third position, the length of the first elastic member is P3, and the force receiving part is located at the third position closer to the developing roller than at the first position and the second position, wherein P2>P3>P1.
PCT/CN2023/134084 2022-11-25 2023-11-24 Developing cartridge WO2024109940A1 (en)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
CN202223142103 2022-11-25
CN202223142103.0 2022-11-25
CN202320000434 2023-01-02
CN202320000434.6 2023-01-02
CN202320110760.2 2023-01-18
CN202320111569 2023-01-18
CN202320110760 2023-01-18
CN202320111569.X 2023-01-18
CN202320186691 2023-02-11
CN202320186691.3 2023-02-11
CN202320244906 2023-02-17
CN202320244906.2 2023-02-17

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