CN110850697A - Processing box - Google Patents
Processing box Download PDFInfo
- Publication number
- CN110850697A CN110850697A CN201911210452.1A CN201911210452A CN110850697A CN 110850697 A CN110850697 A CN 110850697A CN 201911210452 A CN201911210452 A CN 201911210452A CN 110850697 A CN110850697 A CN 110850697A
- Authority
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- China
- Prior art keywords
- process cartridge
- transmission gear
- driving
- developing roller
- driving head
- Prior art date
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- 238000012545 processing Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 41
- 238000003384 imaging method Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 40
- 238000000926 separation method Methods 0.000 claims description 27
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000717 retained effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000000843 powder Substances 0.000 description 9
- 238000007639 printing Methods 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 6
- 206010070834 Sensitisation Diseases 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000008313 sensitization Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007648 laser printing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical 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
- G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
- G03G21/1814—Details of parts of process cartridge, e.g. for charging, transfer, cleaning, developing
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical 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
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1842—Means for handling the process cartridge in the apparatus body for guiding and mounting the process cartridge, positioning, alignment, locks
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical 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
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1857—Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical 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
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1857—Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms
- G03G21/186—Axial couplings
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The invention provides a processing box, which comprises a developing frame, a developing roller driving component and a separating mechanism, wherein the developing roller is rotatably supported on the developing frame, the developing roller driving component comprises a driving head, a transmission gear, a movable part and an elastic part, one end of the developing roller is connected with a driving gear, the driving gear is meshed with the transmission gear, the movable part can be connected with the transmission gear in a way of moving along the axial direction of the transmission gear, one end of the movable part can be connected with the driving head, the elastic part forces the movable part to be close to the driving head, the driving head is used for receiving the rotating force of an imaging device, and the separating mechanism can receive the acting force of the imaging device to enable the movable part to move along the axial direction of the. The processing box has the advantages of good working stability, simple structure, low production cost and high production efficiency.
Description
Technical Field
The invention relates to the technical field of printing consumables, in particular to a processing box which is detachably arranged on an imaging device.
Background
An electrophotographic image forming apparatus generally has therein an image processing unit and a developing unit, and develops an electrostatic latent image formed on the image processing unit with a developer such as toner supplied from the developing unit to form a visible image on a medium such as paper. In which toner is used as a consumable product and needs to be continuously replenished into an electrophotographic image forming apparatus, it is common to supply toner to a developing unit having a process cartridge accommodating a certain amount of toner detachably mounted to the developing unit in the electrophotographic image forming apparatus.
Referring to fig. 1 and 2, a conventional process cartridge 1 includes a driving assembly, a developing roller 14, an agitating frame (not shown), a powder feeding roller (not shown), and a photosensitive drum 13, the driving assembly includes a first driving assembly 11 and a second driving assembly 12, the first driving assembly 11 drives the photosensitive drum 13 to rotate, the second driving assembly 12 drives the developing roller 14, the agitating frame, and the powder feeding roller to rotate, and the second driving assembly 12 includes a clutch 121, a second driving head 122, a driving gear 123, and a spring 124. During the image formation of the process cartridge 1 in the image forming apparatus, the clutch 121 and the spring 124 connect the second driving head 122 with the driving gear 123, the first driving assembly 11 receives the driving force of the first driving head in the image forming apparatus to drive the photosensitive drum 13 to rotate, and the second driving head 122 receives the driving force of the second driving head in the image forming apparatus to drive the developing roller 14, the agitator and the powder feeding roller to rotate. When the process cartridge 1 is in the process of printing in the image forming apparatus, the photosensitive drum 13 needs to be cleaned at the printing gap in order to improve the printing quality, since the photosensitive drum 13 and the developing roller 14 are always in contact at the time of printing, and during the cleaning process, the two are separated. In the state of cleaning the photosensitive drum 13, the clutch 121 separates the second driving head 122 from the driving gear 123, the second driving head in the imaging device continues to drive the second driving head 122 to rotate, the driving gear 123 stops rotating because the driving gear 123 is separated from the second driving head 122, and meanwhile, the developing roller 14, the stirring frame and the powder feeding roller all stop rotating, at this time, the first driving head in the imaging device continues to drive the first driving assembly 11 to rotate, so as to drive the photosensitive drum 13 to rotate, and thus, the cleaning of the residual powder on the photosensitive drum 13 is realized.
However, in the conventional process cartridge 1, in order to separate the photosensitive drum from the developing roller by a certain gap during cleaning, the developing roller 14, the second driving assembly 12 and the developing frame are rotated by a certain angle under the force of the image forming apparatus. In order to rotate the developing roller 14, the second driving assembly 12 and the developing frame, the entire process cartridge 1 is made to be complicated in structure, resulting in high difficulty in assembling the process cartridge 1, high production cost and low production efficiency.
Disclosure of Invention
In order to solve the above problems, a main object of the present invention is to provide a process cartridge which is low in production cost, high in production efficiency, and good in working stability.
In order to achieve the above-mentioned primary object, the present invention provides a process cartridge detachably mountable to an image forming apparatus, the process cartridge including a developing frame, a developing roller rotatably supported on the developing frame, a developing roller driving assembly including a driving head, a transmission gear, a movable member and an elastic member, a driving gear connected to one end of the developing roller, the driving gear being engaged with the transmission gear, the movable member being connected to the transmission gear movably in an axial direction of the transmission gear, one end of the movable member being connected to the driving head, the elastic member urging the movable member close to the driving head, the driving head being configured to receive a rotational force of the image forming apparatus, and a separating mechanism configured to receive an acting force of the image forming apparatus so that the movable member moves in the axial direction of the transmission gear to separate the movable member and the driving head.
According to the scheme, the developing roller driving assembly comprises a driving head, a transmission gear, a movable part and an elastic part, one end of the developing roller is connected with a driving gear, the driving gear is meshed with the transmission gear, the movable part can be movably connected with the transmission gear along the axial direction of the transmission gear, one end of the movable part can be connected with the driving head, the elastic part forces the movable part to be close to the driving head, the driving head is used for receiving the rotating force of the imaging device, and the separating mechanism can receive the acting force of the imaging device to enable the movable part to move along the axial direction of the transmission gear to enable the movable part and the driving head. Therefore, when imaging device cleaned the sensitization drum, separating mechanism received imaging device's effort makes the moving part along the axial displacement of transmission gear and makes the separation between moving part and the drive head, and the developer roll stops rotatory to the developer roll does not supply powder to the sensitization drum, and imaging device realizes that the sensitization drum of pairing rotation cleans, and job stabilization nature is good. Moreover, the processing box has simple structure, and can effectively reduce the production cost and improve the production efficiency. Meanwhile, when the processing box is placed on the imaging device or taken out of the imaging device, the resistance is small, and the installation or taking-out operation is more convenient and labor-saving.
The separating mechanism comprises a separating control piece and a pushing piece, the separating control piece comprises a guiding portion and a stressed portion, the stressed portion can receive acting force of the imaging device, the pushing piece is provided with a guided portion, the acting force of the imaging device is received by the stressed portion, and the movable piece is driven to move axially along the transmission gear through the matching of the guiding portion and the guided portion so that the movable piece is separated from the driving head.
The processing box further comprises a holding end cover arranged on the side face of the developing frame, the holding end cover is provided with a limiting hole, and the pushing piece is also provided with a protrusion matched with the limiting hole.
The separating control piece further comprises a limited part, and the limited part is positioned in the limited groove.
It is further preferred that the drive head is rotatably held on the holding end cap.
The further scheme is that the body of the separation control piece is of a ring structure, the outer peripheral face of the ring structure protrudes along the radial direction of the ring structure to form a guide portion, the outer peripheral wall of the ring structure extends outwards to form a stress portion, the end face of the ring structure, which is close to the holding end cover, protrudes to form a limited portion, the driving head extends along the axial direction of the transmission gear to form a circular table, one end of the circular table can be connected with one end of the moving piece, and the ring structure is sleeved on the circular table in a clearance fit mode.
The body of the pushing piece is of a circular ring structure, the end face, close to the separation control piece, of the circular ring structure protrudes to form a guided portion, the guided portion protrudes towards the retaining end cover to form a protrusion, the body of the moving piece is of a circular boss structure, a small-diameter boss of the circular boss structure can be connected with one end of the circular truncated cone, and the circular ring structure is sleeved on the small-diameter boss in a clearance fit mode.
In a further scheme, the surfaces of the guiding part and the guided part which are in butt fit are all inclined surfaces.
The further scheme is that the transmission gear is provided with a containing cavity with an open axial end, a convex arm is arranged in the containing cavity, the moving part is located in the containing cavity, the large-diameter disc of the circular boss structure is provided with a through hole, the convex arm penetrates through the through hole, the elastic part is a spring, and the spring is abutted between the bottom of the containing cavity and the large-diameter disc.
The end face of the small-diameter boss is provided with a first ratchet, the end face of the circular truncated cone is provided with a second ratchet, and the first ratchet can be meshed with the second ratchet.
Drawings
Fig. 1 is a structural view of a conventional process cartridge.
Fig. 2 is a partially exploded view of a conventional process cartridge.
FIG. 3 is a block diagram of an embodiment of the process cartridge of the present invention.
Fig. 4 is a first partial structural view of the embodiment of the process cartridge of the present invention.
Fig. 5 is a second partial structural view of the embodiment of the process cartridge of the present invention.
FIG. 6 is a structural view of a holding cap in an embodiment of the process cartridge of the present invention.
Fig. 7 is an exploded view of the development roller drive assembly and the separation mechanism in cooperation in an embodiment of the process cartridge of the present invention.
Fig. 8 is a structural view of the development roller driving assembly and the separation mechanism in cooperation in the embodiment of the process cartridge of the present invention.
Fig. 9 is a partially exploded view of the developing roller driving assembly in the embodiment of the process cartridge of the present invention.
FIG. 10 is a structural view of a separating mechanism in an embodiment of the process cartridge of the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
Referring to fig. 3, the process cartridge 2 is detachably mounted in the image forming apparatus, the process cartridge 2 includes a drum frame 21, a developing frame 24, a photosensitive drum 22, a developing roller 25, a photosensitive drum driving assembly 23, a developing roller driving assembly, a separating mechanism, and a holding cap 26, the photosensitive drum 22 is rotatably supported on the drum frame 21, and the developing roller 25 is rotatably supported on the developing frame 24. The photosensitive drum driving assembly 23 and the developing roller driving assembly are located on the same side of the process cartridge 2, and the photosensitive drum driving assembly 23 is configured to receive a first rotational force of the image forming apparatus and drive the photosensitive drum 22 to rotate.
Referring to fig. 4 to 9, the developing roller driving assembly includes a driving head 27, a transmission gear 29, a movable member 32, and an elastic member 33, a driving gear 28 is connected to one end of the developing roller 25, and the driving gear 28 and the transmission gear 29 are engaged with each other. The movable member 32 is movably connected to the transmission gear 29 in the axial direction of the transmission gear 29, one end of the movable member 32 is connected to the driving head 27, the elastic member 33 urges the movable member 32 to approach the driving head 27, and the driving head 27 is configured to receive a second rotational force of the image forming apparatus.
Specifically, the transmission gear 29 is provided with an accommodating cavity 291 which is open at one axial end thereof, four protruding arms 292 which extend in the axial direction of the transmission gear 29 are arranged in the accommodating cavity 291, and the four protruding arms 292 are uniformly arranged around the axis of the transmission gear 29. Meanwhile, the bottom of the accommodation chamber 291 is protrudingly provided with a cylinder 293. The movable member 32 is located in the accommodating cavity 291, the body of the movable member 32 is of a circular boss structure, the circular boss structure is provided with a small-diameter boss 322 and a large-diameter disc 321 which are connected with each other, the end face of the small-diameter boss 322 is provided with a first ratchet 323 which surrounds the axis of the small-diameter boss 322 by a circle, the large-diameter disc 321 is provided with four through holes 324, the four through holes 324 are uniformly arranged around the axis of the large-diameter disc 321, and the four convex arms 292 respectively penetrate through the four through holes 324 in a clearance fit manner. The side of the large-diameter disc 321 far from the driving head 27 is provided with a ring 325 extending along the axial direction of the transmission gear 29, the elastic element 33 is a spring, two ends of the spring 33 are respectively sleeved on the cylinder 293 and the ring 325, and the spring 33 is pressed between the bottom of the accommodating cavity 291 and the large-diameter disc 321.
The driving head 27 is provided with a driving force receiving portion 271, a circular table 273 and a guide rod 272 which are connected to each other and extend in the axial direction of the transmission gear 29 in this order, and the guide rod 272 is inserted into a hole of the cylinder 293 through the movable element 32 so as to be movable in the axial direction of the transmission gear 29. The end face of the round table 273 is provided with a second ratchet 274 which circles around the axis of the round table 273, and the first ratchet 323 and the second ratchet 274 can be meshed and connected with each other.
Referring to fig. 6, the driving force receiving portion 271 of the driving head 27 is rotatably held in a holding hole 263 of the holding cover 26, the holding cover 26 is mounted on the side surface of the developing frame 24, and the holding cover 26 is opened with three stopper holes 261 and a stopper groove 262, and the stopper groove 262 extends rotatably around the axis of the transmission gear 29.
Referring to fig. 4 to 10, a separation mechanism is provided between the driving force receiving portion 271 and the large-diameter disk 321, and the separation mechanism can receive the force of the image forming apparatus to move the movable member 32 between the contact position and the separation position with respect to the driving head 27. In the contact position, the movable member 32 is connected to the driving head 27 to drive the developing roller 25 to rotate, and the photosensitive drum 22 is in contact with the developing roller 25. In the separation position, the movable member 32 and the driving head 27 are separated, and the developing roller 25 stops rotating while the photosensitive drum 22 and the developing roller 25 are still in contact. That is, the separation mechanism can separate between the movable piece 32 and the drive head 27 by receiving the force of the image forming apparatus to move the movable piece 32 in the axial direction of the transmission gear 29.
Specifically, the separating mechanism includes the separating control member 30 and the pushing member 31, the body of the pushing member 31 is a circular ring structure, the circular ring structure is sleeved on the small-diameter boss 322 of the moving member 32 in a clearance fit manner, the end face of the circular ring structure close to the separating control member 30 protrudes to form three guided portions 311, the three guided portions 311 protrude to the holding end cover 26 to form protrusions 312, the three protrusions 312 are respectively inserted into the three limiting holes 261 of the holding end cover 26, and the rotation of the pushing member 31 is limited through the cooperation of the protrusions 312 and the limiting holes 261. The body of the separation control member 30 is a ring structure 302, the ring structure 302 is sleeved on the round table 273 of the driving head 27 in a clearance fit manner, the outer peripheral surface of the ring structure 302 protrudes along the radial direction of the ring structure 302 to form three guide portions 303, in the circumferential direction of the transmission gear 29, the three guide portions 303 and the three guided portions 311 are in staggered arrangement and fit, and the surfaces of the guide portions 303 and the guided portions 311 which are in contact fit are inclined surfaces 306 and 313. The outer peripheral wall of the ring structure 302 extends outward to form a force receiving portion 301, and the force receiving portion 301 can receive the acting force of the imaging device. The ring body structure 302 is protruded to form a limited part 304 on the end surface close to the holding end cover 26, the limited part 304 is movably positioned in the limit groove 262 of the holding end cover 26, and the rotation angle of the separation control member 30 is limited by the matching between the limited part 304 and the limit groove 262, so that the working stability is improved.
After the process cartridge 2 is mounted to the image forming apparatus, in a normal printing state of the image forming apparatus, the developing roller 25 contacts the photosensitive drum 22, the movable member 32 is in a contact position with respect to the driving head 27, that is, the force receiving portion 301 of the separation control member 30 does not receive the acting force of the image forming apparatus, the movable member 32 and the driving head 27 are in connection and cooperation with each other, the driving head 27 receives the second rotating force of the image forming apparatus to drive the transmission gear 29 to rotate, so that the driving gear 28 drives the developing roller 25 to rotate, and meanwhile, the photosensitive drum driving assembly 23 receives the first rotating force of the image forming apparatus to drive the photosensitive drum 22 to. During the printing process of the processing box 2, the photosensitive drum 22 and the developing roller 25 are in a rotating state, and the developing roller 25 is in contact with the photosensitive drum 22, so that carbon powder is stably transferred from the developing roller 25 to the photosensitive drum 22, and laser printing such as series of exposure, development, transfer printing and the like is realized on printing paper.
When the image forming apparatus needs to clean the photosensitive drum 22, the cleaning unit of the image forming apparatus applies an acting force to the force receiving portion 301 of the separation control member 30 of the process cartridge 2, and as the force receiving portion 301 receives the acting force of the image forming apparatus, the movable member 32 is driven to move from the contact position to the separation position, that is, as the force receiving portion 301 of the separation control member 30 receives the acting force of the image forming apparatus, the force receiving portion 301 synchronously drives the guide portion 303 of the separation control member 30 to rotate, and as the surfaces of the guide portion 303 of the separation control member 30 in abutting fit with the guided portion 311 of the push member 31 are both inclined surfaces 306 and 313, the push member 31 moves away from the driving head 27 along with the rotation of the guide portion 303, and meanwhile, the movable member 32 is forced to move away from the. At this time, the spring 33 is in a compressed state, and the driving head 27 continues to rotate while still receiving the second rotational force of the image forming apparatus, but the driving head 27 is in an idling state. Due to the separation between the movable member 32 and the driving head 27, the transmission gear 29 stops rotating, so that the driving gear 28 and the developing roller 25 also stop rotating, the developing roller 25 does not supply powder to the photosensitive drum 22, and the photosensitive drum driving assembly 23 drives the photosensitive drum 22 to rotate to realize surface cleaning thereof.
After the photosensitive drum 22 is cleaned, the separation control member 30 and the pushing member 31 of the processing box 2 are reset, and meanwhile, the spring 33 forces the moving member 32 to be close to the driving head 27 under the action of restoring force of the spring 33, so that the moving member 32 and the driving head 27 are connected and matched, the developing roller 25 is continuously driven to rotate, powder supply to the photosensitive drum 22 is realized, further, the imaging equipment is continuously printed, the carbon powder transfer between the developing roller 25 and the photosensitive drum 22 is effectively ensured, the powder discharging of the processing box 2 is more uniform, and the printing quality is stable. Moreover, the processing box 2 has simple structure, and can effectively reduce the production cost and improve the production efficiency. Meanwhile, when the process cartridge 2 is placed in or taken out from the image forming apparatus, the resistance is small, and the mounting or taking-out operation is more convenient and labor-saving.
The above embodiments are merely preferred examples of the present invention, and not intended to limit the scope of the invention, so that equivalent changes or modifications made based on the structure, characteristics and principles of the invention as claimed should be included in the claims of the present invention.
Claims (10)
1. A process cartridge detachably mountable to an image forming apparatus, said process cartridge including a developing frame and a developing roller rotatably supported on said developing frame, characterized in that:
the processing box also comprises a developing roller driving component and a separating mechanism, wherein the developing roller driving component comprises a driving head, a transmission gear, a moving part and an elastic part, one end of the developing roller is connected with a driving gear, and the driving gear is meshed with the transmission gear;
the movable piece is movably connected with the transmission gear along the axial direction of the transmission gear, one end of the movable piece is connected with the driving head, the elastic piece forces the movable piece to be close to the driving head, and the driving head is used for receiving the rotating force of the imaging device;
the separation mechanism may receive an urging force of the image forming apparatus so that the movable member moves in the axial direction of the transmission gear to separate between the movable member and the drive head.
2. A process cartridge according to claim 1, wherein:
the separation mechanism includes a separation control member and a pushing member, the separation control member includes a guide portion and a force receiving portion that can receive an acting force of the image forming apparatus;
the pushing piece is provided with a guided part;
and as the force bearing part receives the acting force of the image forming device, the movable part is driven to move along the axial direction of the transmission gear through the matching of the guide part and the guided part, so that the movable part and the driving head are separated.
3. A process cartridge according to claim 2, wherein:
the processing box further comprises a holding end cover arranged on the side face of the developing frame, the holding end cover is provided with a limiting hole, and the pushing piece is further provided with a protrusion matched with the limiting hole.
4. A process cartridge according to claim 3, wherein:
the separation control piece further comprises a limited part, and the limited part is located in the limited groove.
5. A process cartridge according to claim 3, wherein:
the drive head is rotatably retained on the retaining end cap.
6. A process cartridge according to claim 4, wherein:
the body of the separation control part is of a ring structure, the outer peripheral surface of the ring structure protrudes along the radial direction of the ring structure to form the guide part, the outer peripheral wall of the ring structure extends outwards to form the stress part, and the end surface of the ring structure, which is close to the holding end cover, protrudes to form the limited part;
the driving head is provided with a circular table along the axial extension of the transmission gear, one end of the circular table can be connected with one end of the movable part, and the ring body structure is sleeved on the circular table in a clearance fit manner.
7. A process cartridge according to claim 6, wherein:
the body of the pushing piece is of a circular ring structure, the circular ring structure is protruded on the end face close to the separation control piece to form the guided part, and the guided part is protruded towards the holding end cover to form the protrusion;
the body of the moving part is of a round boss structure, a small-diameter boss of the round boss structure can be connected with one end of the round platform, and the ring structure is sleeved on the small-diameter boss in a clearance fit mode.
8. A process cartridge according to claim 7, wherein:
the surfaces of the guiding part and the guided part which are in butt fit are inclined surfaces.
9. A process cartridge according to claim 7, wherein:
an accommodating cavity with an opening at one axial end is arranged on the transmission gear, and a convex arm is arranged in the accommodating cavity;
the movable piece is positioned in the accommodating cavity, a through hole is formed in the large-diameter disc of the circular boss structure, and the convex arm penetrates through the through hole;
the elastic piece is a spring, and the spring is pressed between the bottom of the accommodating cavity and the large-diameter disc.
10. A process cartridge according to any one of claims 7 to 9, wherein:
the end face of the small-diameter boss is provided with a first ratchet, the end face of the circular truncated cone is provided with a second ratchet, and the first ratchet can be meshed with the second ratchet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911210452.1A CN110850697A (en) | 2019-11-28 | 2019-11-28 | Processing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911210452.1A CN110850697A (en) | 2019-11-28 | 2019-11-28 | Processing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110850697A true CN110850697A (en) | 2020-02-28 |
Family
ID=69606937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911210452.1A Pending CN110850697A (en) | 2019-11-28 | 2019-11-28 | Processing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110850697A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023221260A1 (en) * | 2022-05-20 | 2023-11-23 | 珠海市佳联信耗材有限公司 | Process cartridge |
| WO2024109940A1 (en) * | 2022-11-25 | 2024-05-30 | 江西亿铂电子科技有限公司 | Developing cartridge |
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| JP2006308007A (en) * | 2005-04-28 | 2006-11-09 | Canon Inc | Clutch mechanism |
| CN105843024A (en) * | 2016-06-16 | 2016-08-10 | 珠海天威飞马打印耗材有限公司 | Rotating force transfer module, photoreceptive drum and processing box |
| CN206363085U (en) * | 2016-12-30 | 2017-07-28 | 中山森威办公用品有限公司 | A kind of powder box simple in construction |
| CN210666366U (en) * | 2019-11-28 | 2020-06-02 | 珠海天威飞马打印耗材有限公司 | Processing box |
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2019
- 2019-11-28 CN CN201911210452.1A patent/CN110850697A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023221260A1 (en) * | 2022-05-20 | 2023-11-23 | 珠海市佳联信耗材有限公司 | Process cartridge |
| WO2024109940A1 (en) * | 2022-11-25 | 2024-05-30 | 江西亿铂电子科技有限公司 | Developing cartridge |
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