CN216927376U - Selenium drum for printer - Google Patents

Abstract

The utility model discloses a toner cartridge for a printer, which comprises a toner cartridge and a waste toner cartridge, wherein a drum core is arranged on the waste toner cartridge, a developing roller which is parallel to the drum core and is arranged at intervals is arranged on the toner cartridge, the waste toner cartridge is rotationally connected with the toner cartridge, the waste toner cartridge is connected with an auxiliary part for limiting the rotation of the toner cartridge, and the auxiliary part is respectively detachably connected with the waste toner cartridge and the toner cartridge. The utility model has the characteristics of simple structure, ingenious design and convenient operation.

Description

Selenium drum for printer

Technical Field

The utility model relates to the technical field of printers, in particular to a toner cartridge for a printer.

Background

The developing roller and the drum core are important parts participating in printing in the toner cartridge. In the cartridge, the developing roller and the drum core are very close to each other, and in a natural state, the developing roller and the drum core are attached to each other. During the transportation and storage of the selenium drum after leaving the factory, in order to avoid the mutual contact between the developing roller and the drum core, a piece of isolation paper is usually sandwiched between the developing roller and the drum core to play a buffering role, the main purpose of the selenium drum is to prevent the developing roller from being extruded by the drum core to generate deformation, because the developing roller is soft and is easy to deform after being extruded, and the printing quality can be influenced by the participation of the developing roller subjected to pressure deformation in printing.

In the process of installing the release paper between the developing roller and the drum core, the drum core needs to be reversed, and a gap is reserved between the drum core and the developing roller so that the release paper can be inserted into the gap, but the whole structure of the selenium drum is influenced certainly, and a certain time is needed in the process of returning the reversed drum core to the original position, so that the production time of the selenium drum is prolonged, and the time cost is increased.

Disclosure of Invention

An object of the present application is to provide a toner cartridge for a printer, in which a developing roller is provided to be kept in a separated state from a drum core during transportation and storage.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: including cartridge and waste powder box, be equipped with the drum core on the waste powder box, be equipped with on the cartridge with the developer roll of the parallel interval arrangement of drum core, the waste powder box with the cartridge rotates to be connected, the waste powder box even has and is used for the restriction cartridge pivoted auxiliary member, the auxiliary member respectively with waste powder box, cartridge can dismantle the connection.

Compared with the prior art, the application has the advantages that: has the characteristics of simple structure, ingenious design and convenient operation; in brief, an auxiliary part is arranged between the toner cartridge and the waste toner cartridge, and the auxiliary part can fix the toner cartridge at a preset position so that a developing roller on the toner cartridge and a drum core on the waste toner cartridge keep a constant distance; in addition, the auxiliary part is taken as a detachable part to facilitate the operation of a user, before the printer is installed in the toner cartridge, the auxiliary part is only required to be connected and disconnected with one of the carbon powder box or the waste powder box, the developing roller can be in contact with the drum core, and the toner cartridge can be normally used.

In some embodiments of the present application, the waste toner box is fixedly connected with a limit bracket, and the auxiliary member is fastened to the limit bracket. The connection is realized in a buckling mode, so that the connection is firm, and the disassembly of the auxiliary part is convenient.

In some embodiments of this application, the cartridge is just right be equipped with the couple portion of outside extension on one side of useless powder box, couple portion is close to spacing support arranges, the auxiliary member with couple portion joint. The hook part is used as a connecting part of the auxiliary part and the carbon powder box, so that the connection is firm, and the auxiliary part can be conveniently detached from the carbon powder box.

In some embodiments of the present application, the auxiliary member is provided with a sliding groove which is axially penetrated along the drum core, the limiting bracket is located in the sliding groove, and the auxiliary member can be axially and movably separated from the limiting bracket along the drum core. The auxiliary member is provided with the sliding groove, so that the auxiliary member can be separated from the limiting support in a sliding mode, and the auxiliary member is further convenient to detach from the waste powder box.

In some embodiments of the present application, the hook portion is provided with a hook groove having an upward opening, the hook groove is axially through the drum core, and the auxiliary member is axially movable away from the hook portion along the drum core.

In some embodiments of the present application, the auxiliary member includes a first connection end, a second connection end, and a connection plate, and the first connection end and the second connection end are located on two sides of the connection plate.

In some embodiments of the application, the auxiliary member is reversely buckled on the limiting support, the connecting plate is located above the limiting support, a positioning block is arranged on one side of the limiting support, which is away from the hook portion, and the first connecting end is provided with a convex rib which is abutted against the bottom of the positioning block.

In some embodiments of the present application, an elastic member is disposed between the toner cartridge and the waste toner cartridge, the elastic member is adapted to the position of the auxiliary member, the elastic member is connected to one end of the waste toner cartridge, and the auxiliary member deviates from the end. Arrange the auxiliary member in the one end of keeping away from the elastic component, corresponding spacing support arranges with hook portion and auxiliary member position adaptability, and the effect of stabilizing the cartridge is better.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an exploded view of a portion of the present invention;

fig. 5 is an enlarged view of the structure at B in fig. 4.

In the figure: 1. a toner cartridge; 2. a waste powder box; 3. an end cap; 4. a developing roller; 5. a drum core; 6. an elastic member; 7. an auxiliary member; 8. a limiting bracket; 9. a first connection end; 10. a second connection end; 11. a hook portion; 12. positioning blocks; 13. and (5) convex ribs.

Detailed Description

The present invention is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the terms of orientation and positional relationship indicate that the orientation or positional relationship shown in the drawings is based on, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

It is noted that the terms first, second and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this invention, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1-5, a toner cartridge for a printer comprises a toner cartridge 1 and a waste toner cartridge 2, wherein the waste toner cartridge 2 comprises end covers 3 located at the front and rear ends of the toner cartridge, the front and rear ends of the toner cartridge 1 are rotatably connected to the end covers 3, the toner cartridge 1 and the waste toner cartridge 2 are rotatably connected, the waste toner cartridge 2 is provided with a drum core 5, the bottom of the toner cartridge 1 is provided with a developing roller 4, the developing roller 4 and the drum core 5 are arranged in parallel at intervals, and the toner cartridge and the developing roller are rotatably connected to the end covers 3.

Be provided with elastic component 6 between the top of cartridge 1 and useless powder box 2, elastic component 6 can be but not limited to the spring, and cartridge 1 is connected to the one end of elastic component 6, and waste powder box 2 is connected to the other end of elastic component 6, and elastic component 6 is in compression state, and elastic component 6 acts on cartridge 1 for cartridge 1 has the trend of clockwise rotation.

One of the top of cartridge 1 and useless powder box 2 and keeping away from elastic component 6 is served and is provided with auxiliary member 7, and auxiliary member 7 is fixed between cartridge 1 and useless powder box 2, and 2 top rigid couplings of useless powder box have spacing support 8, and auxiliary member 7 has the spout that runs through around, and auxiliary member 7 back-off is on spacing support 8, and spacing support 8 is located the spout.

The auxiliary part 7 comprises a connecting plate, a first connecting end 9 and a second connecting end 10, the first connecting end 9 and the second connecting end are located on the left side and the right side of the connecting plate, a hook portion 11 is arranged on one side, opposite to the waste powder box 2, of the powder box 1 and extends outwards, the hook portion 11 is provided with a hook groove with an upward opening and a front through and a rear through opening, the second connecting end 10 is connected in the hook groove in a clamped mode, a positioning block 12 is arranged on one side, away from the hook portion 11, of the limiting support 8, the first connecting end 9 is connected with one side, where the positioning block 12 is located, and a convex rib 13 abutting against the bottom of the positioning block 12 is arranged on the inner wall of the first connecting end 9.

The first connecting end 9 of the auxiliary part 7 is buckled on the limiting support 8 of the waste powder box 2, the second connecting end 10 of the auxiliary part 7 is buckled on the hook part 11 of the carbon powder box 1, and the carbon powder box 1 and the waste powder box 2 are fixedly connected through the auxiliary part 7.

The auxiliary member 7 acts on the hook part 11 to form the pulling force to the toner cartridge 1, and the pulling force makes the toner cartridge 1 have the trend of anticlockwise rotation, even act on the toner cartridge 1 at the elastic member 6, exert elasticity to the toner cartridge 1 and do not exceed under the pulling force's the circumstances, the toner cartridge 1 can not carry out clockwise rotation, and the developer roll 4 of setting on the toner cartridge 1 just can not contact with the drum core 5.

Because the sliding groove formed in the auxiliary member 7 is consistent with the through direction of the hook groove of the hook part 11, the auxiliary member 7 can slide along the axial direction of the drum core 5 and towards the front end, and the auxiliary member 7 can be separated from the waste toner box 2 and the toner box 1, so that the subsequent toner cartridge can be normally used.

The foregoing has described the general principles, principal features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a selenium drum for printer, includes cartridge (1) and waste powder box (2), be equipped with drum core (5) on waste powder box (2), be equipped with on cartridge (1) with the developer roll (4) of the parallel interval arrangement of drum core (5), waste powder box (2) with cartridge (1) rotates to be connected its characterized in that: waste powder box (2) even have and be used for the restriction toner cartridge (1) pivoted auxiliary member (7), auxiliary member (7) respectively with waste powder box (2), toner cartridge (1) can dismantle the connection.

2. The toner cartridge for a printer as claimed in claim 1, wherein: the waste powder box (2) is fixedly connected with a limiting support (8), and the auxiliary piece (7) is fastened with the limiting support (8).

3. The toner cartridge for a printer as claimed in claim 2, wherein: carbon powder box (1) is just right be equipped with outside hook portion (11) that extend on one side of useless powder box (2), hook portion (11) are close to spacing support (8) are arranged, auxiliary member (7) with hook portion (11) joint.

4. The toner cartridge for a printer as claimed in claim 3, wherein: the auxiliary piece (7) is provided with a sliding groove which is axially communicated along the drum core (5), the limiting support (8) is positioned in the sliding groove, and the auxiliary piece (7) can axially move along the drum core (5) to be separated from the limiting support (8).

5. The toner cartridge for a printer as claimed in claim 4, wherein: the drum core is characterized in that the hook part (11) is provided with a hook groove with an upward opening, the hook groove is axially communicated along the drum core (5), and the auxiliary part (7) can axially and movably separate from the hook part (11) along the drum core (5).

6. The toner cartridge for a printer as claimed in claim 3, wherein: the auxiliary piece (7) comprises a first connecting end (9), a second connecting end (10) and a connecting plate, and the first connecting end (9) and the second connecting end (10) are located on two sides of the connecting plate.

7. The toner cartridge for a printer as claimed in claim 6, wherein: the auxiliary piece (7) is reversely buckled on the limiting support (8), the connecting plate is located above the limiting support (8), a positioning block (12) is arranged on one side, deviating from the hook portion (11), of the limiting support (8), and the first connecting end (9) is provided with a convex rib (13) abutted to the bottom of the positioning block (12).

8. The toner cartridge for a printer as claimed in claim 1, wherein: carbon powder box (1) with be equipped with elastic component (6) between waste powder box (2), elastic component (6) with auxiliary part (7) position suits, elastic component (6) are connected waste powder box (2) serve, auxiliary part (7) deviate from this end and arrange.

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