Toner cartridge structure

Abstract

The utility model discloses a selenium drum structure which comprises a shell, a photosensitive drum is rotationally connected onto the shell, a strip-shaped power connection part is also connected onto the shell, and a plurality of elastic conductive parts which are propped against the photosensitive drum and are used for charging the photosensitive drum and removing waste powder on the photosensitive drum are uniformly distributed on the power connection part. By adopting the technical scheme, the power connection part is used for power connection, and the plurality of elastic conductive parts propped against the photosensitive drum are uniformly arranged on the power connection part, so that on one hand, the photosensitive drum can be uniformly charged, on the other hand, waste powder on the photosensitive drum can be removed, compared with the existing toner cartridge, a charging roller and a scraper are omitted, the structure is simple, and the production cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of toner cartridges, and particularly relates to a toner cartridge structure. Background Art

[0002] A toner cartridge is a component of a copier and has a function similar to that of an ink cartridge of a printer.

[0003] Existing toner cartridges generally include a housing, a photosensitive drum connected to the housing, a charging roller for charging the photosensitive drum, and a blade for scraping off waste toner on the photosensitive drum. There are relatively many components, and the production cost is relatively high. Summary of the Utility Model

[0004] In order to overcome the existing technical defects, the purpose of the utility model is to provide a toner cartridge structure to solve the above technical problems.

[0005] The technical solution adopted by the utility model to solve the technical problems is as follows:

[0006] According to one aspect of the utility model, a toner cartridge structure is designed, including: a housing, on which a photosensitive drum is rotatably connected, and a strip-shaped power connection part is also connected to the housing. A plurality of elastic conductive parts that are in contact with the photosensitive drum and used for charging the photosensitive drum and removing waste toner on the photosensitive drum are evenly distributed on the power connection part.

[0007] By adopting the above technical solution, the power connection part is used for connecting to power, and by evenly arranging a plurality of elastic conductive parts in contact with the photosensitive drum on the power connection part, on the one hand, the photosensitive drum can be evenly charged, and on the other hand, the waste toner on the photosensitive drum can be removed. Compared with the existing toner cartridges, the charging roller and the blade are omitted, the structure is simple, and the production cost can be reduced.

[0008] In order to better solve the above technical defects, the utility model also has a better technical solution:

[0009] In some embodiments, the power connection part is a conductive fiber cloth strip, and the elastic conductive part is elastic conductive fiber fluff or conductive fiber bristles.

[0010] In some embodiments, the power connection part is a carbon fiber cloth strip, and the elastic conductive part is elastic carbon fiber fluff or carbon fiber bristles.

[0011] In some embodiments, the power connection part is a conductive metal strip, and the elastic conductive part is elastic conductive fiber fluff or conductive fiber bristles.

[0012] In some embodiments, the power connection part is fixedly connected to a conductive metal strip, and the conductive metal strip is fixedly connected to the housing. Brief Description of the Drawings

[0013] Figure 1 Schematic diagram of the structure of a toner cartridge provided by the present utility model;

[0014] Figure 2 Schematic cross-sectional view of the toner cartridge structure;

[0015] Figure 3 Schematic cross-sectional view of the structure of another embodiment of the toner cartridge provided by the present utility model;

[0016] Reference numerals:

[0017] 1. Outer shell; 2. Photosensitive drum; 3. Power connection part; 4. Elastic conductive part; 5. Conductive metal strip. Specific embodiments

[0018] To make the objectives, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are merely exemplary and are not intended to limit the scope of the present utility model. In addition, in the following description, descriptions of well-known structures and technologies are omitted to avoid unnecessarily obscuring the concepts of the present utility model.

[0019] In the description of the present utility model, it should be understood that with respect to the orientation description, such as the orientation or positional relationship indicated by up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0020] In the description of the present utility model, unless otherwise clearly defined, words such as setting, installation, connection, and fixed connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.

[0021] Embodiment 1

[0022] Referring to Figure 1 , Figure 2 As shown, a toner cartridge structure provided by the present utility model includes: an outer shell 1, on which a photosensitive drum 2 is rotatably connected, and a strip-shaped power connection part 3 is also connected to the outer shell 1. The power connection part 3 is connected to the front side or the lower side or the rear side of the outer shell 1, and the connection position is set according to needs. The length of the power connection part 3 is the same as the drum surface length of the photosensitive drum 2, or a little longer than the drum surface length of the photosensitive drum 2, or a little shorter than the drum surface length of the photosensitive drum 2, and the length is set according to needs. A plurality of elastic conductive parts 4 that are in contact with the photosensitive drum 2 are evenly distributed on the power connection part 3. The contact means slight contact, and the elastic conductive part 4 is used to charge the photosensitive drum 2 and remove the waste powder on the photosensitive drum 2.

[0023] Furthermore, the power connection part 3 is a conductive fiber cloth strip, which refers to a chemical fiber cloth strip or a metal fiber cloth strip etc. spun by mixing conductive media in a polymer, and the elastic conductive part 4 is elastic conductive fiber fluff or conductive fiber bristles.

[0024] Embodiment 2

[0025] Reference Figure 1 、 Figure 2 As shown in the figure, another toner cartridge structure provided by the present utility model includes: a housing 1, a photosensitive drum 2 is rotatably connected to the housing 1, and a long strip-shaped power connection part 3 is further connected to the housing 1. The power connection part 3 is connected to the front side or the lower side or the rear side of the housing 1, and the connection position is set as required. The length of the power connection part 3 is the same as the drum surface length of the photosensitive drum 2, or a little longer than the drum surface length of the photosensitive drum 2, or a little shorter than the drum surface length of the photosensitive drum 2, and the length is set as required. A plurality of elastic conductive parts 4 that are in slight contact with the photosensitive drum 2 are evenly distributed on the power connection part 3. The slight contact means a slight abutment. The elastic conductive part 4 is used to charge the photosensitive drum 2 and remove the waste powder on the photosensitive drum 2.

[0026] Furthermore, the power connection part 3 is a carbon fiber cloth strip, and the elastic conductive part 4 is elastic carbon fiber fluff or carbon fiber bristles.

[0027] Embodiment 3

[0028] Reference Figure 1 、 Figure 2 As shown in the figure, yet another toner cartridge structure provided by the present utility model includes: a housing 1, a photosensitive drum 2 is rotatably connected to the housing 1, and a long strip-shaped power connection part 3 is further connected to the housing 1. The power connection part 3 is connected to the front side or the lower side or the rear side of the housing 1, and the connection position is set as required. The length of the power connection part 3 is the same as the drum surface length of the photosensitive drum 2, or a little longer than the drum surface length of the photosensitive drum 2, or a little shorter than the drum surface length of the photosensitive drum 2, and the length is set as required. A plurality of elastic conductive parts 4 that are in slight contact with the photosensitive drum 2 are evenly distributed on the power connection part 3. The slight contact means a slight abutment. The elastic conductive part 4 is used to charge the photosensitive drum 2 and remove the waste powder on the photosensitive drum 2.

[0029] Furthermore, the power connection part 3 is a conductive metal strip, the conductive metal strip is a copper strip or an aluminum strip or an aluminum alloy strip etc., and the elastic conductive part 4 is elastic carbon fiber fluff or carbon fiber bristles.

[0030] Embodiment 4

[0031] Reference Figure 3As shown, another toner cartridge structure provided by the present utility model is different from that of Embodiment 1 and Embodiment 2 in that: the power connection part 3 is fixedly connected to the conductive metal strip 5, and the conductive metal strip 5 is a copper strip, an aluminum strip, an aluminum alloy strip, etc. In this embodiment, the conductive metal strip 5 is preferably a copper strip, and the conductive metal strip 5 is fixedly connected to the outer shell 1. Among them, the conductive metal strip 5 is snap-connected to the outer shell 1, or crimped by a pressing plate, or fixedly connected by screws, etc.

[0032] The above are only some embodiments of the present utility model. For those of ordinary skill in the art, without departing from the creative concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model.

Claims

1. A toner cartridge structure, characterized in that: include: A shell (1) is rotatably connected to a photosensitive drum (2). The shell (1) is also connected to a long strip-shaped power connection portion (3). The power connection portion (3) is evenly distributed with a number of elastic conductive portions (4) that abut against the photosensitive drum (2) and are used to charge the photosensitive drum (2) and remove waste powder on the photosensitive drum (2).

2. A toner cartridge structure according to claim 1, characterized in that: The electrical connection part (3) is a conductive fiber cloth strip, and the elastic conductive part (4) is elastic conductive fiber fluff or conductive fiber bristles.

3. A toner cartridge structure according to claim 1, characterized in that: The power connection part (3) is a carbon fiber cloth strip, and the elastic conductive part (4) is elastic carbon fiber fluff or carbon fiber bristles.

4. A toner cartridge structure according to claim 1, characterized in that: The power connection part (3) is a conductive metal strip, and the elastic conductive part (4) is elastic conductive fiber fluff or conductive fiber bristles.

5. A toner cartridge structure according to claim 1, 2 or 3, characterized in that: The power connection portion (3) is fixedly connected to a conductive metal strip (5), and the conductive metal strip (5) is fixedly connected to the housing (1).

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