CN220691262U - Be applied to conductive structure of selenium drum magnetic roller - Google Patents

Be applied to conductive structure of selenium drum magnetic roller Download PDF

Info

Publication number
CN220691262U
CN220691262U CN202322268355.6U CN202322268355U CN220691262U CN 220691262 U CN220691262 U CN 220691262U CN 202322268355 U CN202322268355 U CN 202322268355U CN 220691262 U CN220691262 U CN 220691262U
Authority
CN
China
Prior art keywords
contact
magnetic roller
conductive
side cover
conductive sheet
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.)
Active
Application number
CN202322268355.6U
Other languages
Chinese (zh)
Inventor
陈耀辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Zhongkai Imaging Products Co ltd
Original Assignee
Zhuhai Zhongkai Imaging Products Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhuhai Zhongkai Imaging Products Co ltd filed Critical Zhuhai Zhongkai Imaging Products Co ltd
Priority to CN202322268355.6U priority Critical patent/CN220691262U/en
Application granted granted Critical
Publication of CN220691262U publication Critical patent/CN220691262U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Rolls And Other Rotary Bodies (AREA)

Abstract

The utility model discloses a conductive structure applied to a selenium drum magnetic roller, which comprises the following components: the printer comprises a side cover and a magnetic roller, wherein the magnetic roller is rotationally connected to one side of the side cover, a conductive sheet is arranged on the inner side of the side cover, a first contact used for being in contact with a printer and conductive is arranged at the front end of the conductive sheet, a second contact used for being in contact with the magnetic roller and conductive is elastically connected to the rear end of the conductive sheet, a jacking part is elastically connected to the top end of the second contact, a limit column is arranged on the inner side of the side cover, and the jacking part is propped against the limit column. This application carries out elasticity with the conducting strip head of former connection printer internal bias contact and magnetic roller and bends, and the part of bending is withstood by spacing post, relies on the elasticity of bending structure increase conducting strip, makes the conducting strip more to the pressure of magnetic roller, and laminating with magnetic roller is more reliable and stable, even the steel sheet has the problem such as deformation, size deviation before the assembly, also can not appear with magnetic roller contact failure phenomenon, reduction in production defective rate, promotes and prints the quality, product market competitiveness reinforcing.

Description

Be applied to conductive structure of selenium drum magnetic roller
Technical Field
The utility model relates to the field of selenium drum structures, in particular to a conductive structure applied to a selenium drum magnetic roller.
Background
In the selenium drum printing process, magnetic carbon powder in a powder bin is adsorbed to the surface of a magnetic roller through a magnetic roller core, then the carbon powder on the surface of the magnetic roller is uniformly scraped by a powder discharging knife which is in contact with the magnetic roller, the thickness of a carbon powder layer on the surface of the magnetic roller is controlled, the carbon powder is charged by friction in the carbon powder scraping process, meanwhile, the selenium drum is connected with a power bias in a printer and an aluminum pipe of the magnetic roller through a specific steel sheet, so that the magnetic roller is applied with voltage, and thus, electric field force is formed between the magnetic roller and an OPC, and negatively charged carbon powder particles on the surface of the magnetic roller are pushed to an electrostatic latent image area of the OPC under the effect of the electric field force, thereby completing a developing step. If poor conduction occurs on the magnetic roller, the potential difference between the magnetic roller and the OPC electrostatic latent image area disappears, the carbon powder loses the electric field force effect, and the carbon powder can not jump to the OPC surface to participate in development, so that white paper or serious transverse defects are printed.
In the prior art, a selenium drum is connected with a power bias contact in a printer and a steel sheet of a magnetic roller, and is lapped on an aluminum pipe of the magnetic roller through elastic action (as shown in figure 1), but in the actual production and assembly process, the steel sheet cannot be tightly contacted with the aluminum pipe of the magnetic roller due to the influence of factors such as dimensional deviation, deformation error, collision deformation in the assembly process, and the like of the steel sheet, so that the magnetic roller cannot be applied with voltage, and the printing quality is influenced.
Disclosure of Invention
The utility model aims to provide a conductive structure applied to a selenium drum magnetic roller so as to solve the problems.
According to one aspect of the present utility model, there is provided a conductive structure applied to a cartridge magnetic roller, comprising: the printer comprises a side cover and a magnetic roller, wherein the magnetic roller is rotationally connected to one side of the side cover, a conductive sheet is arranged on the inner side of the side cover, a first contact used for being in contact with a printer to conduct electricity is arranged at the front end of the conductive sheet, a second contact used for being in contact with the magnetic roller to conduct electricity is elastically connected to the rear end of the conductive sheet, a top pressing part is elastically connected to the top end of the second contact, a limit column is arranged on the inner side of the side cover, and the top pressing part is propped against the limit column.
In some embodiments, a conductive hole for accommodating the first contact is formed in one side of the side cover, a limiting plate is arranged on the edge of the first contact in an inward extending mode, fixing plates are arranged at the tail ends of the limiting plates on the upper side and the lower side, and the fixing plates on the lower side are connected with the second contact.
In some embodiments, the second contact is planar.
In some embodiments, the conductive sheet is a steel material.
In some embodiments, a connection hole is formed in one side of the side cover, a circular groove for accommodating the magnetic roller is formed in the inner side of the connection hole, and a notch for the second contact to penetrate is formed in one side of the circular groove.
In some embodiments, the point of contact of the limit post with the top pressure portion is lower than the point of connection of the second contact with the top pressure portion.
Compared with the prior art, the beneficial effects of this application are:
this application carries out elasticity with the conducting strip head of former connection printer internal bias contact and magnetic roller and bends, and the part of bending is withstood by spacing post, relies on the elasticity of bending structure increase conducting strip, makes the conducting strip more to the pressure of magnetic roller, and laminating with magnetic roller is more reliable and stable, even the steel sheet has the problem such as deformation, size deviation before the assembly, also can not appear with magnetic roller contact failure phenomenon, reduction in production defective rate, promotes and prints the quality, product market competitiveness reinforcing.
Drawings
FIG. 1 is a schematic diagram of a prior art connection structure between a steel sheet and a magnetic roller;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic view of the inner side structure of the side cover of the present utility model;
fig. 4 is a schematic perspective view of a conductive sheet according to the present utility model;
fig. 5 is a schematic diagram of a connection structure between a conductive sheet and a magnetic roller according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 2 to 5, the present application provides a conductive structure applied to a cartridge magnetic roller, comprising: the printer comprises a side cover 1 and a magnetic roller 2, wherein the magnetic roller 2 is rotationally connected to one side of the side cover 1, a conductive sheet 3 is arranged on the inner side of the side cover 1, a first contact 4 used for being in contact with a printer and conductive is arranged at the front end of the conductive sheet 3, a second contact 5 used for being in contact with the magnetic roller 2 and conductive is elastically connected to the rear end of the conductive sheet 3, a jacking part 6 is elastically connected to the top end of the second contact 5, a limit column 7 is arranged on the inner side of the side cover 1, and the jacking part 6 is abutted to the limit column 7.
In some embodiments, a conductive hole for accommodating the first contact 4 is formed in one side of the side cover 1, a limiting plate 8 is arranged on the edge of the first contact 4 in an inward extending manner, a fixing plate 9 is arranged at the tail end of the limiting plate 8 on the upper side and the lower side, the fixing plate 9 on the lower side is connected with the second contact 5, and the limiting plate 8 and the fixing plate 9 can be matched with and fix the conductive sheet 3, so that the conductive sheet 3 is prevented from being accidentally dropped in the working process of the printer.
In some embodiments, the second contact 5 is a plane, which can cope with magnetic rollers 2 of different types and sizes, and prevent the second contact 5 from generating a gap between the magnetic roller 2 and the magnetic roller due to size problem, and can not normally contact and conduct electricity.
In some embodiments, the conductive sheet 3 is steel.
In some embodiments, a connecting hole 10 is formed on one side of the side cover 1, a circular groove 11 for accommodating the magnetic roller 2 is formed on the inner side of the connecting hole 10, a notch for the second contact 5 to penetrate is formed on one side of the circular groove 11, and when the magnetic roller 2 rotates, the second contact 5 penetrates through the notch to contact with the magnetic roller 2 for conduction.
In some embodiments, the contact point between the limit post 7 and the pressing portion 6 is lower than the contact point between the second contact point 5 and the pressing portion 6, so that the pressing portion 6 can elastically press the second contact point 5, so that the second contact point 5 is in close contact with the magnetic roller 2.
This application is through innovation structure, carries out elasticity with former conducting strip 3's head and bends, and the part of bending is withstood by spacing post 7, relies on the elasticity of bending structure increase conducting strip 3, makes conducting strip 3 to the pressure of magnet roller 2 more, and laminating with magnet roller 2 is more reliable and stable, even the steel sheet has deformation, size deviation scheduling problem before the assembly, also can not appear with magnet roller 2 contact failure phenomenon, reduction in production defective rate, promotes and prints the quality, product market competition reinforcing.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a be applied to conductive structure of selenium drum magnetic roll which characterized in that includes: the printer comprises a side cover and a magnetic roller, wherein the magnetic roller is rotationally connected to one side of the side cover, a conductive sheet is arranged on the inner side of the side cover, a first contact used for being in contact with a printer to conduct electricity is arranged at the front end of the conductive sheet, a second contact used for being in contact with the magnetic roller to conduct electricity is elastically connected to the rear end of the conductive sheet, a top pressing part is elastically connected to the top end of the second contact, a limit column is arranged on the inner side of the side cover, and the top pressing part is propped against the limit column.
2. The conductive structure applied to the cartridge magnetic roller according to claim 1, wherein a conductive hole for accommodating the first contact is formed in one side of the side cover, a limiting plate is arranged at the edge of the first contact in an inward extending manner, fixing plates are arranged at the tail ends of the limiting plates at the upper side and the lower side, and the fixing plates at the lower side are connected with the second contact.
3. The conductive structure of claim 1, wherein the second contact is planar.
4. The conductive structure applied to a cartridge magnetic roller of claim 1, wherein the conductive sheet is steel.
5. The conductive structure applied to the cartridge magnetic roller according to claim 1, wherein a connecting hole is formed in one side of the side cover, a circular groove for accommodating the magnetic roller is formed in the inner side of the connecting hole, and a notch for allowing the second contact to penetrate is formed in one side of the circular groove.
6. The conductive structure of claim 1, wherein the contact point of the spacing post and the top pressing portion is lower than the contact point of the second contact and the top pressing portion.
CN202322268355.6U 2023-08-22 2023-08-22 Be applied to conductive structure of selenium drum magnetic roller Active CN220691262U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322268355.6U CN220691262U (en) 2023-08-22 2023-08-22 Be applied to conductive structure of selenium drum magnetic roller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322268355.6U CN220691262U (en) 2023-08-22 2023-08-22 Be applied to conductive structure of selenium drum magnetic roller

Publications (1)

Publication Number Publication Date
CN220691262U true CN220691262U (en) 2024-03-29

Family

ID=90411856

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322268355.6U Active CN220691262U (en) 2023-08-22 2023-08-22 Be applied to conductive structure of selenium drum magnetic roller

Country Status (1)

Country Link
CN (1) CN220691262U (en)

Similar Documents

Publication Publication Date Title
JP4681489B2 (en) Toner cartridge, developing device, and image forming apparatus
EP2413201B1 (en) Processing box
JP2007271895A5 (en)
JP3283786B2 (en) Drum unit and ground plate used for drum unit
US11762315B2 (en) Image forming apparatus that improves contact member durability and suppresses occurrence of cleaning failure
US7613418B2 (en) Image forming apparatus
US11281148B2 (en) Image forming apparatus having a frame formed by adhering with adhesive
US20140321887A1 (en) Developing device, process cartridge, and image forming apparatus
CN220691262U (en) Be applied to conductive structure of selenium drum magnetic roller
JP3326997B2 (en) Envelope paper feeder
CN106527082A (en) Cartridge
CN201402370Y (en) Doctor blade
CN201707551U (en) Doctor blade
CN2847337Y (en) Developing roller for laser printer
CN103019072B (en) Sealing wiper, developing component and drum component
CN218298772U (en) Conductive structure of developing roller of laser printer
JP3197122B2 (en) Developing device
CN219778104U (en) Positioning and mounting structure for scraper assembly and processing box thereof
JP4619025B2 (en) Charging device in image forming apparatus
CN219778103U (en) Fixing structure for avoiding bending deformation of scraper along with temperature change and processing box thereof
CN205827067U (en) A kind of Delevoping cartridge
CN201616850U (en) Original copy reading device
CN215576106U (en) Carbon powder box
CN207882657U (en) Seperated drum exempts from wear structure cartridge
CN213069488U (en) Novel selenium drum chip mounting structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant