CN218158741U

CN218158741U - Novel low-cost charging roller and selenium drum

Info

Publication number: CN218158741U
Application number: CN202222321010.8U
Authority: CN
Inventors: 黄有; 甘永吉; 张海燕; 覃胆
Original assignee: Zhuhai Technetium Image Technology Co ltd
Current assignee: Zhuhai Technetium Image Technology Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-12-27
Anticipated expiration: 2032-09-01

Abstract

The application is used for the laser printing equipment field, discloses a novel low-cost roller and selenium drum charge, and the roller that charges includes connecting piece, metal axle and elastic conductive layer, its characterized in that, the both ends of metal axle all are connected with conductive sleeve, and conductive sleeve is provided with the holding tank of being connected the metal axle with the one end of metal axle, two between the conductive sleeve the outside packing of metal axle has conductive sponge, elastic conductive layer cover is located the outside of conductive sponge, two conductive sleeve all stretches into with the one end of metal axle connection the elastic conductive layer, the one end of connecting piece with the conductive sleeve is connected, the other end of connecting piece is used for being connected with the gluey piece of selenium drum. This application sets up in conductive sleeve's holding tank through the both ends with the metal axle, fills electrically conductive sponge between elasticity conducting layer and metal axle again, has practiced thrift the material of metal axle on the basis of keeping the original size of roller that charges, has reduced the manufacturing cost of the roller that charges.

Description

Novel low-cost charging roller and selenium drum

Technical Field

The application relates to the field of laser printing equipment, in particular to a novel low-cost charging roller and a selenium drum.

Background

The supporting selenium drum of laser printer contains sensitization drum, clean scraper and the roller that charges, and the effect of sensitization drum is formation of image and development, and the effect of clean scraper is with remaining useless powder clean on the sensitization drum after the rendition, and the roller that charges is for the sensitization drum and charges, and clean scraper is used for cleaning the sensitization drum. The cost of the metal shaft in the charging roller is high, and how to save the material of the metal shaft is the key for reducing the cost of the charging roller and the cost of the toner cartridge.

Disclosure of Invention

The present application aims at solving at least one of the technical problems existing in the prior art, and for this reason, the present application proposes a novel low-cost charging roller and a toner cartridge.

The application provides a novel low-cost roller that charges, including connecting piece, metal axle and elasticity conducting layer, the both ends of metal axle all are connected with conductive sleeve, and conductive sleeve is provided with the holding tank of being connected the metal axle with the one end of metal axle, two between the conductive sleeve the outside packing of metal axle has electrically conductive sponge, elasticity conducting layer cover is located the outside of electrically conductive sponge, two conductive sleeve all stretches into with the one end of metal axle the elasticity conducting layer, the one end of connecting piece with the conductive sleeve is connected, the other end of connecting piece is used for being connected with the gluey piece of selenium drum.

More specifically, in the above technical scheme, the two ends of the metal shaft are further provided with protrusions, and grooves with sizes matched with the protrusions are correspondingly arranged in the accommodating grooves.

More specifically, in the above technical solution, the metal shaft is in a "C" shape.

More specifically, in the above technical solution, an elastic member is disposed in the connecting member.

This application still provides a selenium drum, including above-mentioned arbitrary novel low-cost roller, gluey piece and the sensitization drum of charging, the other end of connecting piece with it connects to glue the piece, the elasticity conducting layer with the sensitization drum is connected.

Further specifically speaking, among the above-mentioned technical scheme, the selenium drum still includes clean scraper, and clean scraper includes steel sheet and rubber strip, the steel sheet pass through the mounting with glue piece fixed connection, the one end of rubber strip with the steel sheet is connected, and the other end is used for the cleanness the sensitization drum.

More specifically, in the above technical solution, the steel sheet is in an L-shaped structure. More specifically, in the above technical solution, the rubber strip is a square structure, and the apex angle of the other end of the rubber strip is connected to the photosensitive drum.

Compared with the prior art, the embodiment of the application has the following beneficial effects:

this application sets up in conductive sleeve's holding tank through the both ends with the metal axle, fills electrically conductive sponge between elasticity conducting layer and metal axle again, has practiced thrift the material of metal axle on keeping the basis of the original size of roller that charges, has reduced the manufacturing cost of the roller that charges.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a charging roller according to the present application;

FIG. 2 is a schematic view of a metal shaft of the present application;

FIG. 3 is a cross-sectional view of another construction of a metal shaft of the present application;

fig. 4 is a schematic structural diagram of the toner cartridge of the present application.

In the figure: 1. a connecting member; 2. a metal shaft; 201. a protrusion; 3. an elastic conductive layer; 4. a conductive sleeve; 5. a conductive sponge; 6. an elastic member; 7. a rubber part; 8. a photosensitive drum; 9. cleaning a scraper; 901. a steel sheet; 902. a rubber strip; 10. and a fixing member.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.

Please refer to fig. 1, the present application provides a novel low-cost charging roller, which includes a connecting member 1, a metal shaft 2 and an elastic conductive layer 3, both ends of the metal shaft 2 are connected with conductive sleeves 4, one end of the conductive sleeve 4 connected with the metal shaft 2 is provided with an accommodating groove connected with the metal shaft 2, between the two conductive sleeves 4, the outer side of the metal shaft 2 is filled with a conductive sponge 5, the outer side of the conductive sponge 5 is sleeved with the elastic conductive layer 3, the elastic conductive layer 3 is inserted into one end of the two conductive sleeves 4 connected with the metal shaft 2, one end of the connecting member 1 is connected with the conductive sleeve 4, and the other end of the connecting member 1 is used for being connected with a rubber member 7 of a selenium drum.

This application sets up in the holding tank of conductive sleeve 4 through the both ends with metal axle 2, the side structure view of metal axle 2 here can adopt circularly, the ellipse circular type, the C type, the L type, triangle-shaped or rectangle isotructure, this application does not do the restriction here, the shape of holding tank and the shape looks adaptation at metal axle 2 both ends, fill electrically conductive sponge 5 again between elastic conduction layer 3 and metal axle 2, the material of metal axle 2 has been practiced thrift on keeping the original size of roller of charging and keeping electrically conductive effect, the manufacturing cost of the roller of charging has been reduced.

It should be noted that the roller that charges can refer to prior art with selenium drum charging circuit connection, and this application is not repeated, and conductive sleeve 4 and elastic conducting layer 3 can be made by materials such as conductive rubber, and elastic conducting layer is connected with sensitization drum 8, can change the friction dynamics of conducting layer and sensitization drum 8, avoids 8 frictions of sensitization drum impaired and life-span shortens.

As shown in fig. 2, in some embodiments, two ends of the metal shaft 2 are further provided with protrusions 201, grooves with sizes matched with the protrusions 201 are correspondingly arranged in the accommodating grooves, and the protrusions 201 are matched with the grooves to further improve the connection strength between the metal shaft 2 and the conductive sleeve 4.

As shown in fig. 3, in some embodiments, the metal shaft 2 is in a "C" type structure, and the metal shaft 2 in the "C" type structure can greatly save the material of the metal shaft 2 without affecting the rotation performance of the metal shaft 2, thereby further reducing the production cost of the charging roller.

As shown in fig. 4, in some embodiments, an elastic member 6 is provided in the connecting member 1, the elastic member 6 provided inside the connecting member 1 can further buffer the friction force generated between the photosensitive drum 8 and the charging roller, and the elastic member 6 may be a spring or the like.

As shown in fig. 4, the application also provides a toner cartridge, including any one of the above-mentioned novel low-cost roller, the rubber 7 and the photosensitive drum 8 of charging, the other end of the connecting piece 1 is connected with the rubber 7, the elastic conducting layer 3 is connected with the photosensitive drum 8, and this toner cartridge also reduces the production cost of the toner cartridge while reducing the production cost of the roller that charges because of saving the material of the metal shaft 25.

As shown in fig. 4, in some embodiments, the toner cartridge further includes a cleaning blade 9, the cleaning blade 9 includes a steel sheet 901 and a rubber strip 902, the steel sheet 901 is fixedly connected to the rubber 7 through a fixing member 10, one end of the rubber strip 902 is connected to the steel sheet 901, and the other end is used for cleaning the photosensitive drum 8.

As shown in fig. 4, in some embodiments, steel sheet 901 is in an L-shaped configuration. In some embodiments, rubber strip 902 is square structure, the apex angle of the rubber strip 902 other end is connected with sensitization drum 8, the steel sheet 901 of L type structure can transversely set up on the adhesive tape as shown in fig. 4, the preferred setting in steel sheet 901 of the horizontal segment structure of L type structure bottom is connected with the adhesive tape position department, the one end of clean scraper 9 and the contact of sensitization drum 8 in the cleaning process receives pressure, the one end that clean scraper 9 and gluey 7 are connected is the easy perk then, consequently, the horizontal segment structure of L type structure bottom sets up in steel sheet 901 and the position department of adhesive tape connection, increase the gravity of the clean scraper 9 other end, improve the fixed effect of clean scraper 9, guarantee the stability in the cleaning process, in order to improve clean effect.

The above-mentioned embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill 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 embodiments of the present application, and they should be construed as being included in the present application.

Claims

1. The utility model provides a novel low-cost roller that charges, includes connecting piece, metal axle and elastic conductive layer, its characterized in that, the both ends of metal axle all are connected with conductive sleeve, and the one end that conductive sleeve and metal axle are connected is provided with the holding tank of being connected the metal axle, two between the conductive sleeve the outside packing of metal axle has electrically conductive sponge, elastic conductive layer cover is located the outside of electrically conductive sponge, two the one end that conductive sleeve and metal axle are connected all stretches into the elastic conductive layer, the one end of connecting piece with the conductive muffjoint, the other end of connecting piece is used for being connected with the gluey piece of selenium drum.

2. The novel low-cost charging roller as claimed in claim 1, wherein protrusions are further arranged at two ends of the metal shaft, and grooves with sizes matched with the protrusions are correspondingly arranged in the accommodating grooves.

3. The new low cost charge roller of claim 1, wherein said metal shaft is "C" shaped.

4. The new and low cost charging roller of claim 1, wherein an elastic member is provided in said connecting member.

5. A toner cartridge comprising the novel low-cost charging roller according to any one of claims 1 to 4, a rubber member, and a photosensitive drum, wherein the other end of the connecting member is connected to the rubber member, and the elastic conductive layer is connected to the photosensitive drum.

6. The cartridge according to claim 5, further comprising a cleaning blade, wherein the cleaning blade comprises a steel sheet and a rubber strip, the steel sheet is fixedly connected with the rubber piece through a fixing piece, one end of the rubber strip is connected with the steel sheet, and the other end of the rubber strip is used for cleaning the photosensitive drum.

7. The cartridge as claimed in claim 6, wherein the steel sheet has an L-shaped structure.

8. The selenium drum as claimed in claim 6, wherein the rubber strip is of a square structure, and the apex angle of the other end of the rubber strip is connected with the photosensitive drum.