CN218938774U

CN218938774U - Selenium drum without charging roller

Info

Publication number: CN218938774U
Application number: CN202221621882.XU
Authority: CN
Inventors: 吴猛; 刘影影; 甘勇吉; 黄有
Original assignee: Zhuhai Technetium Image Technology Co ltd
Current assignee: Zhuhai Technetium Image Technology Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2023-04-28
Anticipated expiration: 2032-06-27

Abstract

The application is used for laser printing equipment field, discloses a selenium drum that does not contain charge roller, including gluing piece, sensitization drum and cleaning blade, the both ends of sensitization drum rotate connect in glue the curb plate of piece, cleaning blade's one end and gluing piece fixed connection, the other end are used for cleaning sensitization drum, glue the piece configuration and have the connecting strip, the other end of connecting strip is connected with elasticity electrically conductive device, elasticity electrically conductive device's the other end with the sensitization drum is connected. The application has cancelled the easy consumable piece charging roller that uses commonly used in the selenium drum, has effectively practiced thrift product cost, improves and prints the quality, and elastic electrically conductive device can change electrically conductive device with the friction dynamics of sensitization drum in addition, assemble it on gluing the piece through the connecting strip, can separate electrically conductive device and cleaning scraper, improve and charge and clean effect.

Description

Selenium drum without charging roller

Technical Field

The application relates to the field of laser printing equipment, in particular to a selenium drum without a charging roller.

Background

The selenium drum matched with the laser printer comprises a photosensitive drum, a cleaning scraper and a charging roller, wherein the photosensitive drum is used for imaging and developing, the cleaning scraper is used for cleaning residual waste powder on the photosensitive drum after transfer printing, the charging roller is used for charging the photosensitive drum, and if carbon powder or other impurities are stained at a certain position on the charging roller, the charging roller and the photosensitive drum can be separated by the carbon powder or the impurities, so that the charging roller cannot normally charge the photosensitive drum, and subsequent printing defects are caused, and therefore the cleaning is carried out through the cleaning scraper. Because the charging roller is formed by an iron shaft, sponge and leather sheath, the cost is high, the loss is easy, and the charging roller is easy to adhere impurities, so that the surface of the photosensitive drum is cleaned by the cleaning scraper and then is adhered with impurities again, and the printing quality is affected.

Disclosure of Invention

The application aims at solving at least one of the technical problems existing in the prior art, and therefore, the application provides the selenium drum without the charging roller.

The selenium drum without the charging roller comprises a rubber piece, a photosensitive drum and a cleaning scraper, wherein two ends of the photosensitive drum are rotationally connected to a side plate of the rubber piece, one end of the cleaning scraper is fixedly connected with the rubber piece, the other end of the cleaning scraper is used for cleaning the photosensitive drum, a connecting strip is configured on the rubber piece, an elastic conductive device is connected to the other end of the connecting strip, and the other end of the elastic conductive device is connected with the photosensitive drum.

Further specifically, in the above technical solution, the elastic conductive device has an inner arc structure, an inner surface of the elastic conductive device is connected with the connecting strip, and an outer surface of the elastic conductive device is connected with the photosensitive drum.

Further specifically, in the above technical solution, the elastic conductive device has an outer arc structure, an inner surface of the elastic conductive device is connected with the connecting strip, and an outer surface of the elastic conductive device is connected with the photosensitive drum.

Further specifically, in the above technical solution, the elastic conductive device has a square structure.

Further specifically, in the above technical solution, the connecting strip extends into the conductive device.

Further specifically, in the above technical scheme, the cleaning scraper 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.

In the technical scheme, one end of the steel sheet, which is connected with the glue piece, is provided with a reinforced steel sheet.

Further specifically, in the above technical scheme, the rubber strip is of a trapezoid structure, the upper bottom edge of the rubber strip is longer than the lower bottom edge, and the top of the other end of the rubber strip is connected with the photosensitive drum.

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

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

the application has cancelled the easy consumable piece charging roller that uses commonly used in the selenium drum, has effectively practiced thrift product cost, improves and prints the quality, and elastic electrically conductive device can change electrically conductive device with the friction dynamics of sensitization drum in addition, assemble it on gluing the piece through the connecting strip, can separate electrically conductive device and cleaning scraper, improve and charge and clean effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed 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 that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a first structural schematic diagram of the present application;

FIG. 2 is a second structural schematic diagram of the present application;

FIG. 3 is a third structural schematic diagram of the present application;

FIG. 4 is a fourth schematic structural view of the present application;

fig. 5 is a fifth structural schematic diagram of the present application.

In the figure: 1. a glue piece; 2. a photosensitive drum; 3. a cleaning blade; 301. a steel sheet; 302. a rubber strip; 4. a connecting strip; 5. an elastic conductive device; 6. a fixing member; 7. and reinforcing the steel sheet.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the present application, it should be understood that references to orientation descriptions, such as directions of up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical solution.

In addition, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

Reference in the 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 application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

Referring to fig. 1-5, the present application provides a selenium drum without a charging roller, which comprises a glue piece 1, a photosensitive drum 2 and a cleaning scraper 3, wherein two ends of the photosensitive drum 2 are rotationally connected with a side plate of the glue piece 1, one end of the cleaning scraper 3 is fixedly connected with the glue piece 1, the other end of the cleaning scraper is used for cleaning the photosensitive drum 2, the glue piece 1 is provided with a connecting strip 4, the other end of the connecting strip 4 is connected with an elastic conductive device 5, and the other end of the elastic conductive device 5 is connected with the photosensitive drum 2. The elastic conductive device 5 can be connected with a charging circuit (not shown) of the selenium drum, so as to meet the charging requirement.

This application has cancelled the consumable part charge roller that uses commonly used in the selenium drum, has effectively practiced thrift product cost, improves and prints the quality, and elastic electrically conductive device can change electrically conductive device with the friction dynamics of photosensitive drum 2 in addition, assemble it on gluing piece 1 through connecting strip 4, can separate electrically conductive device and cleaning blade 3, improves respectively and charges effect and cleaning effect.

It should be noted that, the conductive device may be conductive rubber or conductive plastic, the elasticity of the conductive device is needed to reduce the friction force of the conductive device on the photosensitive drum 2, so as to avoid the damage of the photosensitive drum 2 caused by friction, and the service life of the conductive device is shortened, and the elastic conductive device 5 may be arc-shaped, triangular, rectangular, square, trapezoid, n-type or M-type, etc., so that those skilled in the art can adjust the length of the connecting strip 4 according to the product requirement.

As shown in fig. 2, in some embodiments, the elastic conductive device 5 has an inner arc structure, an inner surface of which is connected to the connecting strip 4, and an outer surface of which is connected to the photosensitive drum 2. The elastic conductive device 5 with the inner arc structure enables the elastic conductive device 5 to be in close contact with the photosensitive drum 2, so that the contact area can be increased, and a good charging effect is ensured.

As shown in fig. 3, in some embodiments, the elastic conductive device 5 has an outer arc structure, the inner surface of which is connected with the connecting strip 4, the outer surface of which is connected with the photosensitive drum 2, and the connecting strip 4 with the inner arc shape is convenient to connect with the connecting strip 4, so as to improve the connection stability of the two.

In some embodiments, as shown in fig. 1, the elastic conductive means 5 has a square structure.

As shown in fig. 4, in some embodiments, the connecting strip 4 extends into the conductive device, so as to further improve the connection stability of the elastic conductive device 5 and ensure the charging effect.

As shown in fig. 1 to 5, in some embodiments, the cleaning blade 3 includes a steel sheet 301 and a rubber strip 302, the steel sheet 301 is fixedly connected to the rubber member 1 by a fixing member 6, one end of the rubber strip 302 is connected to the steel sheet 301, and the other end is used for cleaning the photosensitive drum 2.

As shown in fig. 1 to 5, in some embodiments, the end of the steel sheet 301 connected to the glue member 1 is provided with a reinforced steel sheet 7, and the end of the cleaning blade 3 contacting the photosensitive drum 2 is pressed during cleaning, and the end connected to the glue member 1 is easily tilted, so that the end of the steel sheet 301 connected to the glue member 1 is provided with the reinforced steel sheet 7, which increases the gravity of the other end, improves the fixing effect of the cleaning blade 3, ensures the stability during cleaning, and improves the cleaning effect.

As shown in fig. 1-5, in some embodiments, the rubber strip 302 has a trapezoid structure, the upper bottom edge is longer than the lower bottom edge, the top of the other end of the rubber strip 302 is connected with the photosensitive drum 2, and the photosensitive drum 2 is cleaned by using the top of the trapezoid rubber strip 302, so that the cleaning effect is improved.

As shown in fig. 5, in some embodiments, the connecting strip 4 is an elastic connecting strip 4, and the elastic connecting strip 4 can reduce the friction force of the conductive device on the photosensitive drum 2 by using the elasticity thereof, so as to further avoid the life-shortening of the photosensitive drum 2 due to friction damage.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.

Claims

1. The selenium drum without the charging roller comprises a rubber piece, a photosensitive drum and a cleaning scraper, wherein two ends of the photosensitive drum are rotationally connected to a side plate of the rubber piece, one end of the cleaning scraper is fixedly connected with the rubber piece, and the other end of the cleaning scraper is used for cleaning the photosensitive drum.

2. The toner cartridge as claimed in claim 1, wherein the elastic conductive means has an inner arc structure, an inner surface of the elastic conductive means is connected to the connecting bar, and an outer surface of the elastic conductive means is connected to the photosensitive drum.

3. The toner cartridge as claimed in claim 1, wherein the elastic conductive means has an outer arc structure, an inner surface of the elastic conductive means is connected to the connecting bar, and an outer surface of the elastic conductive means is connected to the photosensitive drum.

4. The cartridge of claim 1, wherein the elastic conductive means has a square configuration.

5. The cartridge of any one of claims 1-4, wherein the connecting strip extends into the conductive device.

6. The toner cartridge as claimed in claim 1, wherein the cleaning blade comprises a steel sheet fixedly connected with the rubber member by a fixing member, and a rubber strip having one end connected with the steel sheet and the other end for cleaning the photosensitive drum.

7. The cartridge of claim 6, wherein a reinforcing steel sheet is provided at an end of the steel sheet connected to the rubber member.

8. The toner cartridge as claimed in claim 7, wherein the rubber strip has a trapezoid structure, an upper bottom side thereof is longer than a lower bottom side thereof, and a top of the other end of the rubber strip is connected to the photosensitive drum.

9. The cartridge of any one of claims 1-4, 6-8, wherein the connecting strip is an elastic connecting strip.