CN203858453U - Photosensitive drum drive gear component - Google Patents
Photosensitive drum drive gear component Download PDFInfo
- Publication number
- CN203858453U CN203858453U CN201420271313.6U CN201420271313U CN203858453U CN 203858453 U CN203858453 U CN 203858453U CN 201420271313 U CN201420271313 U CN 201420271313U CN 203858453 U CN203858453 U CN 203858453U
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- photosensitive drum
- gear
- gear parts
- drive part
- axle
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Abstract
The utility model relates to a photosensitive drum drive component which comprises a driving part and a gear part, wherein one end of the gear part is a connecting part connected with a photosensitive drum, and the outer wall at the other end of the gear part is provided with a drive gear; one end of the driving part is a driving head meshed with a driving component arranged in a printer, and the other end of the driving part is provided with a sheathing shaft which is sheathed into a hollow hole of the gear part in a sliding way along the axial direction; an axial anti-drop structure and a rotation prevention structure are arranged between the driving part and the gear part. When the photosensitive drum drive gear component is needed to be disassembled and maintained, the axial limitation for the driving part and the gear part is removed by the axial anti-drop structure, so that the driving part is taken out from the gear part; then, the driving part is separated from the photosensitive drum; therefore, the gear drive component can be disassembled during maintenance, corresponding parts can be replaced or repaired, and the whole component is not needed to be scraped. The photosensitive drum drive component is more reasonable in structure and low in maintaining cost, and is capable of reducing the pollution to the environment caused by the scraped parts.
Description
Technical field
The utility model relates to the photosensitive drums of printer, particularly a kind of photosensitive drum driving gear assembly.
Background technology
On cartridge, there is one group of exposure assembly, its photosensitive drums is the main body of exposure assembly, and photosensitive drums one end adopts non-removable mode that a driven wheel is installed, and is provided with driving head on driven wheel, the driver part of driving head and printer meshes, and drives photosensitive drums to rotate and realizes exposure.But the driven wheel of photosensitive drums used adopts non-removable mode to connect with photosensitive drums on the market, modal mode is to play glue at driving gear lateral surface and photosensitive drums medial surface, and then driving gear is pressed into photosensitive drums, form non-disconnectable connection, in the time will taking out the driving gear of developing device photosensitive drums, just must destroy its structure like this, cause driving gear to use.So both increased maintenance cost, again environment had been caused to pollution.
Summary of the invention
The purpose of this utility model is to be to overcome the deficiencies in the prior art, provides a kind of rational in infrastructure, low, the dismountable photosensitive drum driving gear assembly of maintenance cost.
In order to solve the technical matters of above-mentioned existence, the utility model adopts following technical proposals:
A drive assembly of photosensitive drum, it includes drive part and gear parts, and one end of described gear parts is the connecting portion connecting with photosensitive drums, and the outer wall of the other end is provided with driven wheel; One end of described drive part be with printer in the driving head of driven unit engagement, the other end is to endwisely slip to be nested into the axle that is inserted in the hollow hole of gear parts; Between described drive part and gear parts, be provided with axial disconnecting prevention structure and anti-rotation structure.
In to the improvement project of above-mentioned a kind of drive assembly of photosensitive drum, described axial disconnecting prevention structure adopts buckle, or horizontally inserts the stop pin that is inserted in axle exposed portions serve, or is stuck in the jump ring that is inserted in axle exposed portions serve.
In to the improvement project of above-mentioned a kind of drive assembly of photosensitive drum, described anti-rotation structure is that transversal section is triangle, square, oval or quincuncial axle and the hollow hole of being inserted in; The hollow hole that is inserted in axle and gear parts of described drive part is mutually right in shape.
Compared with prior art, the beneficial effects of the utility model are: because gear parts adopts dismountable mode, connect with photosensitive drums, and drive part and gear parts drive socket by anti-rotation structure, by axial disconnecting prevention structure, prevent their separation again, like this in the time will dismantling photosensitive drum driving gear assembly and safeguard, as long as making axial disconnecting prevention structure removes after the axial limiting of drive part and gear parts, just can the taking-up from gear parts by drive part, and then drive part and photosensitive drums are separated, so just can remove gear drive assembly when safeguarding, change or repair corresponding parts, and need not scrap whole assembly, so more reasonable structure of the present utility model, maintenance cost is low, and reduce and scrap the pollution of parts to environment.
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
[accompanying drawing explanation]
Fig. 1 is the schematic perspective view of the utility model embodiment;
Fig. 2 is the assembling schematic diagram of the utility model embodiment.
[embodiment]
The utility model is a kind of photosensitive drum driving gear assembly, as shown in Figure 1, 2, includes drive part 1 and gear parts 2, and one end of described gear parts 2 is the connecting portion 21 connecting with photosensitive drums, and the outer wall of the other end is provided with driven wheel 22; One end of described drive part 1 be with printer in the driving head 11 of driven unit engagement, the other end is to endwisely slip to be nested into be inserted in axle 12 in the hollow hole 23 of gear parts 2; Between described drive part 1 and gear parts 2, be provided with axial disconnecting prevention structure 3 and anti-rotation structure, like this when being inserted in after the hollow hole 23 that axle 12 is inserted into gear parts 2 drive part 1, axially disconnecting prevention structure 3 can prevent drive part 1 and gear parts 2 disengagements, and anti-rotation structure prevents from relatively rotating between drive part 1 and gear parts 2.
The utility model when mounted, first the connecting portion of gear parts 2 21 is fixedly connected with photosensitive drums, then by drive part 1 be inserted in the hollow hole 23 that axle 12 is inserted into gear parts 2 after by axial disconnecting prevention structure 3 and anti-rotation structure, prevent respectively the disengagement between drive part 1 and gear parts 2 and relatively rotate, when the photosensitive drums on printer cartridge will be exposed like this, driven unit drives drive part 1 to rotate by driving head 11, so drive part 1 rotates by anti-rotation structure driven gear part 2 again, thereby drive the photosensitive drums connecting with gear parts 2 to rotate to expose.In the time will dismantling photosensitive drum driving gear assembly and safeguard, as long as axial disconnecting prevention structure 3 is removed after the axial limiting of drive part 1 and gear parts 2, just can the taking-up from gear parts 2 by drive part 1, and drive part 1 and photosensitive drums are separated.
As can be seen from above, because adopting dismountable mode, gear parts 2 connects with photosensitive drums, and drive part 1 drives socket with gear parts 2 by anti-rotation structure, by axial disconnecting prevention structure 3, prevent their separation again, like this in the time will dismantling photosensitive drum driving gear assembly and safeguard, as long as making axial disconnecting prevention structure 3 removes after the axial limiting of drive part 1 and gear parts 2, just can the taking-up from gear parts 2 by drive part 1, and then drive part 1 and photosensitive drums are separated, so just can remove gear drive assembly when safeguarding, change or repair corresponding parts, and need not scrap whole assembly, so more reasonable structure of the present utility model, maintenance cost is low, and reduce and scrap the pollution of parts to environment.
In the present embodiment, as shown in Figure 1, 2, described axial disconnecting prevention structure 3 adopts buckle, when dismounting, as long as press buckle, can take out drive part; Certainly it can be also horizontally to insert the stop pin that is inserted in axle 12 exposed portions serve, or is stuck in the jump ring that is inserted in axle 12 exposed portions serve, or the structure of other convenient disassembly.In addition, described anti-rotation structure is that transversal section is non-circular axle and the hollow hole of being inserted in, and non-circular can be triangle, square, oval or quincunx etc., and the hollow hole 23 that is inserted in axle 12 and gear parts 2 of described drive part 1 is right mutually in shape.
Although reference above embodiment describes the utility model in detail, but it will be apparent to one skilled in the art that by the disclosure, in the situation that and do not depart from principle of the present utility model and the spiritual scope that described claim limits, can the utility model be made a variety of changes or be revised.Therefore, the detailed description of disclosure embodiment is only used for explaining, rather than is used for limiting the utility model, but is defined by the subject-matter of the claims the scope of protection.
Claims (3)
1. a drive assembly of photosensitive drum, is characterized in that, includes drive part and gear parts, and one end of described gear parts is the connecting portion connecting with photosensitive drums, and the outer wall of the other end is provided with driven wheel; One end of described drive part be with printer in the driving head of driven unit engagement, the other end is to endwisely slip to be nested into the axle that is inserted in the hollow hole of gear parts; Between described drive part and gear parts, be provided with axial disconnecting prevention structure and anti-rotation structure.
2. a kind of drive assembly of photosensitive drum according to claim 1, is characterized in that, described axial disconnecting prevention structure adopts buckle, or horizontally inserts the stop pin that is inserted in axle exposed portions serve, or is stuck in the jump ring that is inserted in axle exposed portions serve.
3. a kind of drive assembly of photosensitive drum according to claim 1 and 2, is characterized in that, described anti-rotation structure is that transversal section is triangle, square, oval or quincuncial axle and the hollow hole of being inserted in; The hollow hole that is inserted in axle and gear parts of described drive part is mutually right in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271313.6U CN203858453U (en) | 2014-05-24 | 2014-05-24 | Photosensitive drum drive gear component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271313.6U CN203858453U (en) | 2014-05-24 | 2014-05-24 | Photosensitive drum drive gear component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858453U true CN203858453U (en) | 2014-10-01 |
Family
ID=51608297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420271313.6U Active CN203858453U (en) | 2014-05-24 | 2014-05-24 | Photosensitive drum drive gear component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203858453U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630938A (en) * | 2017-10-25 | 2018-01-26 | 天津港第四港埠有限公司 | A kind of transmission mechanism of new gear anticreep |
| CN107867522A (en) * | 2016-09-23 | 2018-04-03 | 广东科达洁能股份有限公司 | The storage base device of improved structure |
| CN113296379A (en) * | 2015-02-27 | 2021-08-24 | 佳能株式会社 | Drum unit, cartridge, and coupling member |
-
2014
- 2014-05-24 CN CN201420271313.6U patent/CN203858453U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296379A (en) * | 2015-02-27 | 2021-08-24 | 佳能株式会社 | Drum unit, cartridge, and coupling member |
| CN107867522A (en) * | 2016-09-23 | 2018-04-03 | 广东科达洁能股份有限公司 | The storage base device of improved structure |
| CN107630938A (en) * | 2017-10-25 | 2018-01-26 | 天津港第四港埠有限公司 | A kind of transmission mechanism of new gear anticreep |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |