CN210377040U - Photosensitive drum protection structure of carbon powder box - Google Patents
Photosensitive drum protection structure of carbon powder box Download PDFInfo
- Publication number
- CN210377040U CN210377040U CN201921478382.3U CN201921478382U CN210377040U CN 210377040 U CN210377040 U CN 210377040U CN 201921478382 U CN201921478382 U CN 201921478382U CN 210377040 U CN210377040 U CN 210377040U
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- China
- Prior art keywords
- photosensitive drum
- rotating shaft
- toner cartridge
- cover
- protective structure
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title description 2
- 230000001681 protective effect Effects 0.000 claims abstract description 51
- 239000000843 powder Substances 0.000 claims abstract description 18
- 206010070834 Sensitisation Diseases 0.000 claims abstract description 16
- 230000008313 sensitization Effects 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000002633 protecting effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000002337 anti-port Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
Landscapes
- Electrophotography Configuration And Component (AREA)
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
Abstract
The utility model discloses a sensitization drum protective structure of cartridge, include: the mounting seat comprises a body, a powder bin convexly arranged from the body to one side, and two end plates arranged at two sides of the powder bin, wherein an abdicating space is arranged between each end plate and the powder bin; the photosensitive drum is rotatably connected to the mounting seat; the protective cover comprises a rotating shaft rotatably connected to the end plate, two connecting parts connected to the rotating shaft and arranged corresponding to the abdicating space, and a cover part connected with the two connecting parts, wherein the cover part is arranged on the outer side of the photosensitive drum in a covering manner; the reset spring is sleeved on the rotating shaft, one end of the reset spring is abutted to the connecting part, and the other end of the reset spring is abutted to the body. The utility model discloses simple structure, low in production cost, convenient to use and reliable operation.
Description
Technical Field
The utility model relates to a sensitization drum protective structure of cartridge.
Background
The quality of the photosensitive drum, which is a key component in a laser printer, directly affects the printing quality and the printing cost. The photosensitive drum is the heart of the toner cartridge, and in the imaging process, the photosensitive drum is charged and irradiated by laser, and an electrostatic latent image is formed on the surface of the photosensitive drum to further form a visible toner image. In general, the original toner cartridge is provided with a protective cover to cover the photosensitive drum so as to prevent the deterioration of the surface material of the photosensitive drum. In the prior art, the protective cover of the photosensitive drum is usually fastened and fixed to the toner cartridge by means of a buckle.
This approach has the following drawbacks:
1. the buckle structure is relatively complex, so that the manufacturing difficulty and the production cost of the protective cover are increased;
2. the buckle is separated by taking effort during disassembly, the protective cover is completely disassembled after disassembly, and the protective cover needs to be assembled again in an alignment manner during assembly, so that the assembly and disassembly process is very inconvenient, and the time is long;
3. the buckle structure is easy to have the bad conditions of fracture, failure and the like.
Therefore, it is necessary to design a novel photosensitive drum protection structure of a toner cartridge to solve the disadvantages in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sensitization drum protective structure of cartridge, low in production cost, convenient to use and reliable operation.
To the above purpose, the utility model adopts the following technical scheme:
a photosensitive drum protective structure of a toner cartridge, comprising: the mounting seat comprises a body, a powder bin convexly arranged from the body to one side, and two end plates arranged at two sides of the powder bin, wherein an abdicating space is arranged between each end plate and the powder bin; the photosensitive drum is rotatably connected to the mounting seat; the protective cover comprises a rotating shaft, two connecting parts and a cover part, wherein the rotating shaft is rotatably connected with the end plate, the two connecting parts are connected with the rotating shaft and are arranged corresponding to the abdicating space, and the cover part is connected with the two connecting parts and is arranged on the outer side of the photosensitive drum in a covering mode; the reset spring is sleeved on the rotating shaft, one end of the reset spring is abutted to the connecting part, and the other end of the reset spring is abutted to the body.
Furthermore, a yielding area is formed between the two connecting parts, and the powder bin penetrates through the yielding area.
Furthermore, the connecting part is concavely provided with a limiting groove, and one end of the reset spring is abutted and limited on the limiting groove.
Further, the cover portion has an arc-shaped portion adapted to the shape of the photosensitive drum.
Further, the protective cover is towards being close the protruding spacing post that is equipped with in direction of end plate, the end plate includes two terminal surfaces that set up along thickness direction is relative, two the terminal surface passes through the profile face and connects, spacing post on its rotation direction with the profile face contacts.
Further, the protective cover is further provided with an operating part which is arranged on the rotating shaft and used for driving the cover part to be away from the photosensitive drum.
Further, the rotating shaft is provided with a base, one side of the base is connected with the operating part, and the other side of the base is connected with the connecting part.
Further, the return spring is axially restrained between the end plate and the base.
Further, the operation portion has an operation surface provided obliquely, and the operation surface extends upward and laterally with respect to the connection portion.
Further, the operating part has a stopper surface contacting the body when the protective cover rotates by a predetermined angle.
Compared with the prior art, the beneficial effects of the utility model are that: the reset spring can apply elasticity to the protective cover, guarantees that the cover lid is located the outside of sensitization drum all the time to cover the sensitization drum in order to protect the sensitization drum, the protecting effect is reliable. When needs take off or change the sensitization drum, can the application of force make protective cover antiport, finish and remove the power back when the operation, reset spring can make the protective cover reset automatically, and the protective cover need not be pulled down to whole process, and it is very convenient to use. In addition, the protective cover has a simple structure and low manufacturing difficulty, so that the production cost is reduced.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention;
fig. 2 is a perspective view of another angle according to an embodiment of the present invention;
FIG. 3 is a schematic view illustrating a protective cover of an embodiment of the present invention rotated away from a photosensitive drum;
FIG. 4 is a schematic view of a protective cover stopped by the present invention;
fig. 5 is an exploded perspective view of an embodiment of the present invention.
Reference numerals:
100 photosensitive drum protective structure
1 mounting base
11 main body
12 powder bin
13 end plate
131 end face
132 profile surface
14 space of abdicating
2 photosensitive drum
3 protective cover
31 rotating shaft
32 connecting part
33 cover part
331 arc part
34 abdication area
35 limiting groove
36 limiting column
37 operating part
371 operation surface
38 base
39 stop surface
4 return spring
Detailed Description
For the purpose of promoting a better understanding of the objects, structures, features, and functions of the invention, reference should now be made to the drawings and detailed description of the invention. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale. Moreover, the described embodiments are only some of the described embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", "front", "rear", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 to 5, an embodiment of the present invention provides a photosensitive drum protection structure 100 for a toner cartridge, which includes a mounting base 1, a photosensitive drum 2 rotatably connected to the mounting base 1, a protective cover 3 rotatably connected to the mounting base 1, and a return spring 4 disposed on the protective cover 3.
The mounting seat 1 comprises a body 11, a powder bin 12 convexly arranged from the body 11 to one side, and two end plates 13 arranged at two sides of the powder bin 12, wherein an abdicating space 14 is arranged between each end plate 13 and the powder bin 12.
The protective cover 3 includes a rotating shaft 31 rotatably connected to the end plate 13, two connecting portions 32 connected to the rotating shaft 31 and disposed corresponding to the receding space 14, and a cover portion 33 connected to the two connecting portions 32, wherein the cover portion 33 covers the outer side of the photosensitive drum 2. The provision of the relief space 14 enables the connecting portion 32 to rotate in the relief space 14 without interference from the powder bin 12.
The return spring 4 is sleeved on the rotating shaft 31, one end of the return spring 4 abuts against the connecting portion 32, and the other end abuts against the body 11.
Reset spring 4 can apply elasticity to protective cover 3, guarantees that lid 33 lid is located the outside of sensitization drum 2 all the time to cover sensitization drum 2 with protection sensitization drum 2, the safeguard effect is reliable. When needs take off or change sensitization drum 2, can the application of force make protective cover 3 antiport, finish and remove the power back when the operation, reset spring 4 can make protective cover 3 reset automatically, and protective cover 3 need not be pulled down to whole process, and it is very convenient to use. In addition, the protective cover 3 has a simple structure and low manufacturing difficulty, so that the production cost is reduced.
In at least one embodiment, a relief area 34 is formed between the two connecting portions 32, and the powder bin 12 passes through the relief area 34 to ensure that the protecting cover 3 does not interfere with the powder bin 12 along the rotation path of the protecting cover 3.
In at least one embodiment, the connecting portion 32 is concavely provided with a limiting groove 35, and one end of the return spring 4 is abutted and limited in the limiting groove 35, so that the end of the return spring 4 is ensured not to be separated from the limiting groove 35.
In at least one embodiment, the cover 33 has an arc 331 adapted to the shape of the photosensitive drum 2, so that the cover 33 can cover the contour of the photosensitive drum 2 closely, protect it better, and make the structure of the cover 33 more compact.
In at least one embodiment, the protecting cover 3 is convexly provided with a limiting column 36 towards the direction approaching the end plate 13, the end plate 13 includes two end surfaces 131 oppositely arranged along the thickness direction, the two end surfaces 131 are connected by a contour surface 132, and the limiting column 36 contacts with the contour surface 132 in the rotation direction. Can carry on spacingly to the rotation of protective cover 3 like this, control the distance between protective cover 3 and the sensitization drum 2, when guaranteeing that protective cover 3 can carry out good hiding to sensitization drum 2, avoid protective cover 3 directly to contact with sensitization drum 2 to prevent that protective cover 3 from causing the damage to sensitization drum 2.
In at least one embodiment, the protecting cover 3 further includes an operating portion 37 disposed on the rotating shaft 31 and used for driving the cover portion 33 away from the photosensitive drum 2. When it is necessary to replace or remove the photosensitive drum 2, the operation portion 37 can be pressed by hand to rotate the protective cover 3 against the elastic force of the return spring 4, so that the cover portion 33 no longer covers the photosensitive drum 2.
In at least one embodiment, the rotating shaft 31 is provided with a base portion 38, one side of the base portion 38 is connected with the operating portion 37, and the other side of the base portion 38 is connected with the connecting portion 32, so that the base portion 38, the operating portion 37 and the connecting portion 32 can be integrally formed, and the whole structure has good structural strength.
In at least one embodiment, return spring 4 is axially captured between end plate 13 and base 38, thereby providing a good location for return spring 4 and preventing axial play of return spring 4.
In at least one embodiment, the operation portion 37 has an operation surface 371 obliquely arranged, and the operation surface 371 extends upward and laterally relative to the connection portion 32, so that the operation surface 371 is convenient to be pressed by fingers to rotate.
In at least one embodiment, the operating portion 37 has a stop surface 39, and when the protecting cover 3 rotates by a predetermined angle, the stop surface 39 contacts the body 11, that is, the protecting cover 3 is limited by the contact between the stop surface 39 and the body 11, so as to prevent the protecting cover 3 from over-rotating.
The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes using the description and drawings of the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a sensitization drum protective structure of cartridge which characterized in that includes:
the mounting seat comprises a body, a powder bin convexly arranged from the body to one side, and two end plates arranged at two sides of the powder bin, wherein an abdicating space is arranged between each end plate and the powder bin;
the photosensitive drum is rotatably connected to the mounting seat;
the protective cover comprises a rotating shaft, two connecting parts and a cover part, wherein the rotating shaft is rotatably connected with the end plate, the two connecting parts are connected with the rotating shaft and are arranged corresponding to the abdicating space, and the cover part is connected with the two connecting parts and is arranged on the outer side of the photosensitive drum in a covering mode;
the reset spring is sleeved on the rotating shaft, one end of the reset spring is abutted to the connecting part, and the other end of the reset spring is abutted to the body.
2. The photosensitive drum protective structure of the toner cartridge according to claim 1, wherein: and a yielding area is formed between the two connecting parts, and the powder bin penetrates through the yielding area.
3. The photosensitive drum protective structure of the toner cartridge according to claim 1, wherein: the connecting portion is concavely provided with a limiting groove, and one end of the reset spring is abutted and limited to the limiting groove.
4. The photosensitive drum protective structure of the toner cartridge according to claim 1, wherein: the cover portion has an arc portion adapted to the shape of the photosensitive drum.
5. The photosensitive drum protective structure of the toner cartridge according to claim 1, wherein: the protective cover is towards being close the protruding spacing post that is equipped with in direction of end plate, the end plate includes two terminal surfaces that set up relatively along the thickness direction, two the terminal surface passes through the profile face and connects, spacing post on its rotation direction with the profile face contacts.
6. The photosensitive drum protective structure of the toner cartridge according to claim 1, wherein: the protective cover is further arranged on the rotating shaft and used for driving the cover to be away from the operating portion of the photosensitive drum.
7. The photosensitive drum protective structure of the toner cartridge according to claim 6, wherein: the rotating shaft is provided with a base part, one side of the base part is connected with the operating part, and the other side of the base part is connected with the connecting part.
8. The photosensitive drum protective structure of the toner cartridge according to claim 7, wherein: the return spring is axially restrained between the end plate and the base.
9. The photosensitive drum protective structure of the toner cartridge according to claim 6, wherein: the operation portion has an operation surface provided obliquely, and the operation surface extends upward and laterally relative to the connection portion.
10. The photosensitive drum protective structure of the toner cartridge according to claim 6, wherein: the operating part has a stopper surface that contacts the body when the protective cover rotates by a predetermined angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478382.3U CN210377040U (en) | 2019-09-05 | 2019-09-05 | Photosensitive drum protection structure of carbon powder box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478382.3U CN210377040U (en) | 2019-09-05 | 2019-09-05 | Photosensitive drum protection structure of carbon powder box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210377040U true CN210377040U (en) | 2020-04-21 |
Family
ID=70254269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921478382.3U Active CN210377040U (en) | 2019-09-05 | 2019-09-05 | Photosensitive drum protection structure of carbon powder box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210377040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113917809A (en) * | 2021-09-18 | 2022-01-11 | 南京立思辰智能设备有限公司 | Method and device for automatically protecting photosensitive drum |
-
2019
- 2019-09-05 CN CN201921478382.3U patent/CN210377040U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113917809A (en) * | 2021-09-18 | 2022-01-11 | 南京立思辰智能设备有限公司 | Method and device for automatically protecting photosensitive drum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Photosensitive drum protective structure of toner box Effective date of registration: 20210901 Granted publication date: 20200421 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: ZHONGSHAN SENWEI OFFICE SUPPLIES Co.,Ltd. Registration number: Y2021980008743 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200421 Pledgee: Science and Technology Branch of Torch Development Zone of Zhongshan Rural Commercial Bank Co.,Ltd. Pledgor: ZHONGSHAN SENWEI OFFICE SUPPLIES CO.,LTD. Registration number: Y2021980008743 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |