CN215376093U

CN215376093U - Sealing structure of powder box

Info

Publication number: CN215376093U
Application number: CN202121229746.1U
Authority: CN
Inventors: 刘强; 王建中; 黄延浪
Original assignee: Zhongshan Huaqiang Electronic Technology Co ltd
Current assignee: Zhongshan Huaqiang Electronic Technology Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-31
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a sealing structure of a powder box, which comprises a powder box body and a stirring frame rotatably arranged on the powder box body, wherein one end of the powder box body is provided with an opening, a sealing cover is covered on the opening, the sealing cover and an inner cavity of the powder box body form a powder cavity, one end of the powder box body, far away from the sealing cover, is provided with a round hole and a first circular groove which is coaxially arranged with the round hole, one end of the stirring frame is rotatably arranged in the round hole and outwards extended and provided with a gear, a first sealing sponge is arranged in the first circular groove, the first sealing sponge is attached to one side surface of the gear, the first sealing sponge is attached in the first circular groove, then the gear is assembled, the first sealing sponge is not required to be assembled and positioned by using an operator, only the first sealing sponge is required to be aligned with the first circular groove for installation, the operation is simple, the working efficiency is high, the eccentricity of the attachment of the sealing sponge is avoided, resulting in poor sealing and hidden trouble of carbon powder leakage.

Description

Sealing structure of powder box

Technical Field

The utility model relates to the technical field of printing consumables, in particular to a sealing structure of a powder box.

Background

The laser printer is one of the most widely used computer external output devices, and outputs characters or images through interaction by using physical and chemical principles of light, electricity and heat. The basic process can be divided into seven steps of charging, exposure, development, transfer, fixing, cleaning, and discharging. First, the photosensitive drum surface is uniformly charged by the charging roller. The laser scanner emits modulated laser light containing image information to the photosensitive drum, and forms an electrostatic latent image corresponding to an image to be copied on the surface of the photosensitive drum. Then, the toner from the developing roller is adsorbed on the surface of the photosensitive drum, so that the electrostatic latent image is converted into a visible image. As the photosensitive drum rotates and a positive voltage is applied to the back surface of a recording medium such as paper via the transfer roller, an attractive force is generated to the negatively charged toner forming a visible image on the surface of the photosensitive drum, and the visible image formed from the toner is transferred to the recording medium such as paper. Then enters a fixing component formed by a heating roller and a pressure roller, and carbon powder particles are melted into fibers of the recording medium under the action of heat and pressure, so that a visible image formed by the carbon powder is completely solidified on the recording medium; such a basic imaging action is completed.

The printing process is usually completed by a powder box detachably arranged in the laser printer, the powder box contains carbon powder for development, and when the powder box normally works in the printer, the stirring gear is in a rotating state; the rotating characteristic of the stirring gear determines that the stirring gear is in clearance assembly with the powder box main body and the stirring frame; the carbon powder in the powder box can leak out from the assembly gap between the stirring gear and the powder box main body; in order to solve the problem of carbon powder leakage, sealing sponge is usually adhered to the interior of the powder box main body for sealing; but paste sealed sponge in the powder box inside, the concentricity requires highly, and the operation degree of difficulty is big, and the defective rate is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealing structure of a powder box to solve the problems of the background technology.

In order to achieve the purpose, the utility model adopts the following scheme: the utility model provides a seal structure of powder box, installs in the stirring frame of powder box body including powder box body and rotation, powder box main part one end is equipped with the opening upper cover has closed sealed lid, sealed lid forms a powder chamber with powder box main part inner chamber the one end that sealed lid was kept away from to the powder box main part is equipped with the round hole and the first ring groove that sets up with the axle center with the round hole, the one end of stirring frame is rotated and is installed in the round hole and outwards extends and be provided with the gear be provided with first sealed sponge in the first ring groove, first sealed sponge is laminated with a gear side surface mutually.

Furthermore, a second circular groove is formed in the surface of one side of the gear, and one end of the first sealing sponge is movably arranged in the second circular groove.

Furthermore, a plurality of notches are arranged on the circumference of the first circular groove at intervals.

Furthermore, a round concave hole is formed in the inner side of the sealing cover, and one end of the stirring frame is rotatably installed in the round concave hole.

Furthermore, a convex ring is arranged on the outer side of the circular concave hole, a third circular groove is formed in the stirring frame, and the convex ring is inserted into the third circular groove.

Furthermore, a second sealing sponge is arranged between the outer wall of the convex ring and the inner wall surface of the third circular groove.

Furthermore, a powder adding opening is formed in one side of the powder box main body, and a cover covers the powder adding opening.

Furthermore, the powder adding port and the cover are both of a square structure, the peripheral side wall of the cover is communicated with a groove, a sealing ring is clamped in the groove, moving blocks are arranged on the peripheral side wall of the cover in a sliding mode, a disc is rotatably mounted at the center of the inside of the cover, four arc-shaped convex blocks are arranged on the circumferential wall surface of the disc at intervals, the outermost ends of the arc-shaped convex blocks can push the moving blocks to move so as to tightly push the sealing ring, and the rotating shaft of the disc upwards extends to the upper end of the cover and is provided with a knob.

Further, the knob comprises a round body and a protruding portion, a round groove is formed in the upper end of the cover, and the round body is rotatably arranged in the round groove.

Furthermore, arc-shaped positioning lugs are arranged on the inner side wall surface of the circular groove, and two positioning grooves are arrayed on the outer wall surface of the circular body along the circumference.

In conclusion, the utility model has the beneficial effects that: be equipped with first ring groove on the outer terminal surface of powder box main part, paste first sealed sponge in first ring groove, then at the assembly gear, need not to use the frock to go on fixing a position when first sealed sponge is pasted, only need aim at first ring groove installation can, easy operation, work efficiency is high, has still stopped because sealed sponge pastes off-centre, and lead to sealed badly, the hidden danger of seepage carbon dust.

Drawings

Fig. 1 is a schematic perspective view of the compact of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic cross-sectional view of the present invention.

FIG. 4 is an enlarged view taken at A of FIG. 3 according to the present invention.

FIG. 5 is an enlarged view of the position B in FIG. 3 according to the present invention.

Fig. 6 is a perspective view of the cap of the present invention.

Fig. 7 is a schematic view in partial cross-section of a cap of the present invention.

Description of reference numerals: 1. a powder box body; 2. an opening; 3. a sealing cover; 4. a powder chamber; 5. a circular hole; 6. a first annular groove; 7. a gear; 10. a stirring frame; 21. a second annular groove; 31. a notch; 41. a circular concave hole; 51. a convex ring; 52. a third annular groove; 61. a second sealing sponge; 71. adding powder; 72. a cover; 81. a groove; 82. a seal ring; 83. a moving block; 84. a disc; 85. a circular arc bump; 86. a knob; 91. a round body; 92. a boss portion; 93. a circular groove; 101. an arc-shaped positioning lug; 102. a positioning groove.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the utility model. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature during use or operation of the device, and may include different orientations of the device during use or operation of the device as illustrated in the figures. The devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the utility model, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The utility model is further described in the following figures and detailed description: as shown in fig. 1 to 7, the sealing structure of the powder box comprises a powder box body 1 and a stirring frame 10 rotatably mounted on the powder box body 1, wherein an opening 2 is arranged at one end of the powder box body 1, a sealing cover 3 is covered on the opening 2, a powder cavity 4 is formed by the sealing cover 3 and an inner cavity of the powder box body 1, a round hole 5 and a first annular groove 6 coaxially arranged with the round hole 5 are arranged at one end of the powder box body 1 away from the sealing cover 3, a gear 7 is rotatably mounted in the round hole 5 and extends outwards, a first sealing sponge 8 is arranged in the first annular groove 6, the first sealing sponge 8 is attached to one side surface of the gear 7, the first annular groove 6 is arranged on the outer end surface of the powder box body 1, the first sealing sponge 7 is attached to the first annular groove 6, and then the gear 7 is assembled, need not to fix a position with the frock when first sealed sponge 8 is pasted, only need aim at first ring groove 6 installation can, easy operation, work efficiency is high, has still stopped because sealed sponge pastes off-centre, and lead to sealing badly, the hidden danger of carbon dust seepage.

Referring to fig. 4, a second circular groove 21 is formed in the surface of one side of the gear 7, and one end of the first sealing sponge 8 is movably arranged in the second circular groove 21, so that the first sealing sponge 8 and the gear 7 can be closely attached to each other, and powder leakage is avoided.

Referring to fig. 2, a plurality of gaps 31 are arranged on the circumference of the first circular groove 6 at intervals, so that the first sealing sponge 8 can be taken out through the gaps 31, and the replacement is convenient.

Referring to fig. 2, 3 and 5, the inner side of the sealing cover 3 is provided with a circular concave hole 41, one end of the stirring frame 10 is rotated and installed in the circular concave hole 41, the outer side of the circular concave hole 41 is provided with a convex ring 51, the stirring frame 10 is provided with a third circular groove 52, the convex ring 51 is inserted into the third circular groove 52, a second sealing sponge 61 is arranged between the outer wall of the convex ring 51 and the inner wall surface of the third circular groove 52, the third circular groove 52 on the stirring frame 10 is rotatably arranged in the convex ring 51, the stirring frame 10 can rotate smoothly, and carbon powder can be prevented from entering the circular concave hole 41 through the arrangement of the second sealing sponge 61.

Referring to fig. 1, 2, 6 and 7, a powder adding opening 71 is arranged at one side of the powder box main body 1, a cover 72 is covered in the powder adding opening 71, the powder adding opening 71 and the cover 72 are both in a square structure, a groove 81 is arranged on the peripheral side wall of the cover 72 in a communicating manner, a sealing ring 82 is clamped in the groove 81, moving blocks 83 are arranged on the peripheral side wall of the cover 72 in a sliding manner, a circular disc 84 is rotatably arranged at the center inside the cover 72, four circular arc convex blocks 85 are arranged on the peripheral wall of the circular disc 84 at intervals, the outermost ends of the circular arc convex blocks 85 can push the moving blocks 83 to move so as to push against the sealing ring 82, the rotating shaft of the circular disc 84 extends upwards to the upper end of the cover 72 and is provided with a knob 86, the knob 86 comprises a circular body 91 and a convex part 92, a circular groove 93 is arranged at the upper end of the cover 72, the round body 91 is rotatably arranged in the round groove 93, the arc-shaped positioning lug 101 is arranged on the inner side wall surface of the round groove 93, the two positioning grooves 102 are arrayed on the outer wall surface of the round body 91 along the circumference, firstly, the sealing ring 82 is arranged on the periphery of the cover 72, so that a certain sealing effect can be achieved, however, if the sealing ring 82 and the powder adding opening 71 are too tightly attached, the cover 72 is difficult to open and close, and if the sealing ring 82 is too loose, the installation is convenient, but the sealing performance is weakened; therefore, according to the utility model, firstly, the sealing ring 82 is arranged loosely, after the cover 72 covers the powder outlet 71, the disc 84 is driven to rotate by rotating the knob 86, the arc-shaped bump 85 on the disc 84 pushes against the moving block 83, so that one end of the moving block 83 pushes against the sealing ring 82, and the sealing ring 82 is tightly attached to the powder outlet 71, thereby ensuring the sealing performance and being convenient to install.

While there have been shown and described the fundamental principles and principal features of the utility model and advantages thereof with reference to the drawings, it will be understood by those skilled in the art that the utility model is not limited to the embodiments described above, which are given by way of illustration of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a seal structure of powder box, installs in stirring frame (10) of powder box body (1) including powder box body (1) and rotation, powder box body (1) one end is equipped with opening (2) upper cover has closed sealed lid (3), sealed lid (3) and powder box body (1) inner chamber formation one powder chamber (4), its characterized in that: one end of the powder box body (1) far away from the sealing cover (3) is provided with a round hole (5) and a first circular groove (6) which is coaxially arranged with the round hole (5), one end of the stirring frame (10) is rotated and installed in the round hole (5) and outwards extends to be provided with a gear (7), a first sealing sponge (8) is arranged in the first circular groove (6), and the first sealing sponge (8) is attached to one side surface of the gear (7).

2. The sealing structure of powder box according to claim 1, wherein: a second circular groove (21) is formed in the surface of one side of the gear (7), and one end of the first sealing sponge (8) is movably arranged in the second circular groove (21).

3. The sealing structure of powder box according to claim 1, wherein: a plurality of notches (31) are arranged on the circumference of the first circular groove (6) at intervals.

4. The sealing structure of powder box according to claim 1, wherein: the inner side of the sealing cover (3) is provided with a round concave hole (41), and one end of the stirring frame (10) is rotatably arranged in the round concave hole (41).

5. The sealing structure of powder box according to claim 4, wherein: the outer side of the round concave hole (41) is provided with a convex ring (51), a third circular groove (52) is formed in the stirring frame (10), and the convex ring (51) is inserted into the third circular groove (52).

6. The sealing structure of powder box according to claim 5, wherein: and a second sealing sponge (61) is arranged between the outer wall of the convex ring (51) and the inner wall surface of the third circular groove (52).

7. The sealing structure of powder container according to any one of claims 1 to 6, wherein: one side of the powder box body (1) is provided with a powder adding opening (71), and a cover (72) is covered in the powder adding opening (71).

8. The sealing structure of powder box according to claim 7, wherein: the powder adding port (71) and the cover (72) are both of a square structure, a groove (81) is formed in the peripheral side wall of the cover (72) in a communicated mode, a sealing ring (82) is clamped in the groove (81), moving blocks (83) are arranged on the peripheral side wall of the cover (72) in a sliding mode, a disc (84) is installed in the center of the interior of the cover (72) in a rotating mode, four arc-shaped protruding blocks (85) are arranged on the circumferential wall surface of the disc (84) at intervals, the moving blocks (83) can be pushed by the outermost ends of the arc-shaped protruding blocks (85) to move so as to tightly push the sealing ring (82), and a rotating shaft of the disc (84) extends to the upper end of the cover (72) upwards and is provided with a knob (86).

9. The sealing structure of powder box according to claim 8, wherein: the knob (86) comprises a round body (91) and a protruding portion (92), a round groove (93) is formed in the upper end of the cover (72), and the round body (91) is rotatably arranged in the round groove (93).

10. The sealing structure of powder container according to claim 9, wherein: arc-shaped positioning lugs (101) are arranged on the inner side wall surface of the circular groove (93), and two positioning grooves (102) are arrayed on the outer wall surface of the circular body (91) along the circumference.