CN210639431U - Processing box - Google Patents
Processing box Download PDFInfo
- Publication number
- CN210639431U CN210639431U CN201921799983.4U CN201921799983U CN210639431U CN 210639431 U CN210639431 U CN 210639431U CN 201921799983 U CN201921799983 U CN 201921799983U CN 210639431 U CN210639431 U CN 210639431U
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- CN
- China
- Prior art keywords
- photosensitive drum
- roller
- drum
- frame
- sensitization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Electrophotography Configuration And Component (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Abstract
The utility model discloses a processing box, its detachable is installed in electronic imaging equipment, and processing box includes: a photosensitive drum; a frame; a developing roller capable of contacting the photosensitive drum member and acting on the photosensitive drum; a charging roller capable of contacting the photosensitive drum and charging the surface of the photosensitive drum; a protective cover detachably mounted to the frame; the safety cover is including covering main part cover portion, the partition portion of sensitization drum and connection the elastic connection portion of main part cover portion and partition portion, the partition portion is inserted the sensitization drum with charge between the roller, with the sensitization drum with charge the roller and separate each other, but elastic connection portion elastic deformation is in order to allow the partition portion follow the sensitization drum with it shifts out to charge between the roller. The technical problem of the cost that causes with safety cover and partition member installation alone among the prior art is solved.
Description
Technical Field
The utility model relates to a processing box for among electronic imaging equipment.
Background
The process cartridge refers to a cartridge for an electronic image forming apparatus. The process cartridge integrally accommodates at least a photosensitive drum and a developing roller. The process cartridge is configured to be removably mounted in an electronic image forming apparatus.
The covering member refers to a member for covering the above-described image bearing member to protect the image bearing member until the cartridge is first used, particularly, when the unused cartridge is conveyed. The cover member is removably mounted to the cartridge.
An electrophotographic image forming apparatus is an apparatus that forms an image on a recording medium by using an electrophotographic image forming method. The electronic imaging apparatus includes, for example: electrophotographic copying machines, electrophotographic printers (laser beam printers, LED printers, etc.), facsimile machines, word processors, and multifunction image forming apparatuses composed of two or more of the foregoing.
The conventional process cartridge includes a charging roller that contacts and charges the photosensitive drum, and if the process cartridge is not used for a long time while the charging roller is kept in contact with the photosensitive drum, an elastic layer of the surface of the charging roller may be deformed, and interdiffusion contamination between the photosensitive drum and the charging roller may be caused. Therefore, it is necessary to increase the separation member to keep the photosensitive drum and the charging roller separated before the process cartridge starts to be used. The spacer member is interposed between the photosensitive drum and the charging roller from a side surface of the process cartridge to separate the photosensitive drum and the charging roller.
In order to protect the photosensitive drum and the developing roller, a protective cover is usually added to the existing process cartridge to cover the photosensitive drum and the developing roller, so as to prevent the process cartridge from being accidentally scratched before use. The existing protective cover and the separating component are separately molded and separately installed. Not only the production cost is increased, but also the resource waste is caused, and meanwhile, the user needs to disassemble the protective cover and the separating component for many times, which causes inconvenience for the user operation.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem above in the prior art, the utility model discloses a realize through following technical scheme:
a process cartridge detachably mountable to an electronic image forming apparatus, comprising:
a photosensitive drum;
a frame;
a developing roller capable of contacting the photosensitive drum member and acting on the photosensitive drum;
a charging roller capable of contacting the photosensitive drum and charging the surface of the photosensitive drum;
a protective cover detachably mounted to the frame;
the safety cover is including covering main part cover portion, the partition portion of sensitization drum and connection the elastic connection portion of main part cover portion and partition portion, the partition portion is inserted the sensitization drum with charge between the roller, with the sensitization drum with charge the roller and separate each other, but elastic connection portion elastic deformation is in order to allow the partition portion follow the sensitization drum with it shifts out to charge between the roller.
Further, the main body covering part, the elastic connecting part and the separating part form a roughly U-shaped structure.
Further, in the length direction of the frame, a space is provided between the elastic connecting portion and the frame, the space allowing a user to grasp the elastic connecting portion to move the partitioning portion out from between the photosensitive drum and the charging roller.
Further, the main body covering part, the elastic connecting part and the separating part are integrally injection-molded.
After adopting above technical scheme, through set up the main part cover portion that covers the sensitization drum simultaneously on the safety cover, separate the separation portion of sensitization drum and charging roller and the intermediate junction portion of connecting main part cover portion and separation portion, set up above-mentioned main part cover portion and above-mentioned separation portion on a part in order to reduce the manufacturing cost of product, the separation portion that is connected to on the main part cover portion simultaneously also is difficult for breaking away from and handles the box frame, in addition, the user has just removed the separation portion of separating sensitization drum and charging roller simultaneously when removing the safety cover, also make the user operate more portably.
Description of the drawings:
FIG. 1 is a schematic perspective view of a process cartridge according to the present invention, in which a protective cover is not removed;
FIG. 2 is a schematic perspective view of the protective cover of the process cartridge of the present invention separated from the frame of the process cartridge;
fig. 3 is a schematic view of a partial structure of the intermediate processing cartridge in which the partition is inserted between the photosensitive drum and the charging roller to separate the photosensitive drum and the charging roller.
The specific implementation mode is as follows:
in order to make the purpose of the embodiment of the present invention, the technical solution and the technical effect are clearer, and the following description will be made in conjunction with the accompanying drawings to clearly and completely describe the technical solution of the developing cartridge of the present invention. Obviously, the described embodiment is only a preferred embodiment of the present invention, and not all embodiments, and other embodiments obtained without inventive work by those skilled in the art are included in the protection scope of the present invention based on the embodiments of the present invention.
The orientation shown in the drawings is not to be considered as limiting the scope of the invention, but merely as a reference to the preferred embodiments, changes in position or addition of numbers or structural simplifications may be made to the product parts shown in the drawings.
The relation of "connected" between the components shown in the drawings and described in the specification can be understood as fixedly connected or detachably connected or integrally connected; the connecting elements can be directly connected or connected through an intermediate medium, and persons skilled in the art can understand the connecting relation according to specific conditions, and can use the connecting elements in a screwed connection or riveting connection or welding connection or clamping connection or embedding connection mode to replace different embodiments in a proper mode.
The terms of orientation such as up, down, left, right, top, bottom, and the like in the description and the orientation shown in the drawings, may be used for direct contact or contact with each other through another feature therebetween; above may be directly above and obliquely above, or it simply means above the other; other orientations may be understood by analogy.
As shown in fig. 1 to 3, the process cartridge of the present invention includes a cartridge body portion a and a protective cover B, and the cartridge body portion a includes a frame 1, a photosensitive drum 2, a developing roller 3, and a charging roller 4. The photosensitive drum 2, the developing roller 3, and the charging roller 4 are rotatably supported by the above-described frame 1, and when an image forming operation is performed, the charging roller 4 is brought into contact with the photosensitive drum 2 and charges the surface of the photosensitive drum 2 by ionizing air located between the charging roller 4 and the photosensitive drum 2 so that the surface of the photosensitive drum 2 forms an electrostatic latent image, the developing roller 3 is brought into contact with the photosensitive drum 2, and a potential difference is given between the developing roller 3 and the photosensitive drum 2 by an electrophotographic apparatus so that the developer on the developing roller 3 can be transferred onto the photosensitive drum 2 to complete development of the electrostatic latent image on the photosensitive drum 2. After the processing box is initially manufactured, because the processing box is not sold to a terminal client, the photosensitive drum 2 needs to be protected, in the embodiment, the photosensitive drum 2 is protected by the protective cover B which is arranged on the frame 1 and covers the photosensitive drum, and the photosensitive drum 2 is prevented from being accidentally scratched in the transportation process.
In addition, since the process cartridge is manufactured in a batch manner, it is likely that a long time will elapse from the manufacture of the process cartridge to the final sale, and if the photosensitive drum 2 and the charging roller 4 are kept in contact during this time, the elastic rubber layer on the surface of the charging roller 4 may be deformed, and interdiffusion contamination may occur between the photosensitive drum 2 and the developing roller 3. Therefore, a partition member needs to be added to partition the photosensitive drum 2 and the charging roller 4. In the present embodiment, the protective cover B includes a body covering portion 10, a partition portion 12, and an elastic connecting portion 11 connecting the body covering portion 10 and the partition portion 12, the body covering portion 10 covers the surface of the photosensitive drum 2 to protect the photosensitive drum surface from being contaminated or scratched, the partition portion 12 is inserted from the hole 5 on the one side in the length direction on the frame and is finally inserted between the photosensitive drum 2 and the charging roller 4, the elastic connecting portion 11 is elastically deformable and connects the body covering portion 10 and the partition portion 12, and the body covering portion 10, the elastic connecting portion 11, and the partition portion 12 constitute a substantially U-shaped structure. When the protective cover B is mounted, the partition portion 12 is first broken off in the lengthwise direction of the protective cover B by the elastic connecting portion 11, then the body covering portion 10 is mounted on the frame 1, and then the partition portion 12 is passed through the hole 5 of the side of the frame 1 to be inserted between the photosensitive drum 2 and the charging roller 4, the front end of the partition portion 12 is set in a V-shape and has a tip which is initially inserted between the photosensitive drum 2 and the charging roller 4 and is elastically compressed against a spring 15 urging the charging roller 4 to contact the photosensitive drum 2, and the partition portion 12 partitions the photosensitive drum 2 and the charging roller 4 as the partition portion 12 is continuously inserted. In the longitudinal direction of the frame 1, a space 13 is provided between the elastic connecting portion and the frame, the space 13 allowing a user to grasp the elastic connecting portion 11 to move the partition portion 12 out from between the photosensitive drum 2 and the charging roller 4. When the user purchases the process cartridge and prepares to use the process cartridge, the user first grasps the elastic connecting portion 11 to move the partition portion 12 out from between the photosensitive drum 2 and the charging roller 4 and then moves the body covering portion 10 out of the frame 1 to completely detach the protective cover B from the frame 1, and after the protective cover B is detached, the spring 15 keeps the charging roller 4 in contact with the photosensitive drum 2 by the elastic force.
Compared with the prior art, the utility model provides a processing box, through set up the main part cover portion that covers the sensitization drum simultaneously on the safety cover, separate the separation portion of sensitization drum and the roller of charging and connect the intermediate junction portion of main part cover portion and separation portion, set up above-mentioned main part cover portion and above-mentioned separation portion in order to reduce the manufacturing cost of product on a part, the separation portion that is connected to on the main part cover portion simultaneously also is difficult for breaking away from processing box frame, in addition, the user has just removed the separation portion of separating the sensitization drum and the roller of charging simultaneously when removing the safety cover, also make the user operation get up more portably.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (4)
1. A process cartridge detachably mountable to an electronic image forming apparatus, comprising:
a photosensitive drum;
a frame;
a developing roller capable of contacting the photosensitive drum member and acting on the photosensitive drum;
a charging roller capable of contacting the photosensitive drum and charging the surface of the photosensitive drum;
a protective cover detachably mounted to the frame;
its characterized in that, the safety cover is including covering main part cover portion, the partition portion of sensitization drum and connecting the elastic connection portion of main part cover portion and partition portion, the partition portion is inserted the sensitization drum with charge between the roller, with the sensitization drum with charge the roller and separate each other, but elastic connection portion elastic deformation is in order to allow the partition portion follow the sensitization drum with it shifts out to charge between the roller.
2. A process cartridge according to claim 1, wherein said main body covering portion, said elastic connecting portion and said partitioning portion constitute a substantially U-shaped structure.
3. A process cartridge according to claim 2, wherein a spacing space is provided between said elastic connection portion and said frame in a longitudinal direction of said frame, said spacing space allowing a user to grasp said elastic connection portion to move said partitioning portion out from between said photosensitive drum and said charging roller.
4. A process cartridge according to claim 1, wherein said main body covering portion, said elastic connection portion and said partition portion are integrally injection molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921799983.4U CN210639431U (en) | 2019-10-24 | 2019-10-24 | Processing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921799983.4U CN210639431U (en) | 2019-10-24 | 2019-10-24 | Processing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210639431U true CN210639431U (en) | 2020-05-29 |
Family
ID=70793846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921799983.4U Expired - Fee Related CN210639431U (en) | 2019-10-24 | 2019-10-24 | Processing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210639431U (en) |
-
2019
- 2019-10-24 CN CN201921799983.4U patent/CN210639431U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200529 Termination date: 20201024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |