CN211123630U - Waste powder bin and processing box - Google Patents

Abstract

The application relates to the technical field of electronic imaging, especially, relate to a useless powder storehouse and processing box. This useless powder storehouse includes useless powder storehouse frame and clean scraper, useless powder storehouse frame with the synthetic cavity that is used for holding useless powder of clean scraper encloses: the waste powder bin frame is provided with a separation sheet, and the separation sheet separates the cavity to form a plurality of sub-cavities for containing waste powder. This application separates the cavity through utilizing the spacer and forms a plurality of sub-cavities that are used for holding waste powder for adjacent sub-cavity can not communicate or the intercommunication is obstructed, thereby has solved the problem that the powder explosion phenomenon can appear in current waste powder storehouse.

Description

Waste powder bin and processing box

Technical Field

The application relates to the technical field of electronic imaging, especially, relate to a useless powder storehouse and processing box.

Background

The waste powder bin is a part of the processing box and is used for storing residual developer (namely waste powder) generated in the electronic imaging process and preventing the waste powder from entering the electronic imaging device to influence the printing quality.

As shown in fig. 1, the process cartridge includes a powder hopper 200 and a waste powder hopper 100. As shown in fig. 2, the waste toner hopper 100 includes a waste toner hopper frame 110, a photosensitive member (photosensitive drum) 120, and a cleaning blade 130. In the process of performing the electrophotographic process, the toner hopper 200 supplies the photosensitive member 120 with the developer, and the cleaning blade 130 scrapes the residual developer off the photosensitive member 120. In fig. 3, a waste bin is provided bounded by a cleaning blade 130 and a waste bin frame 110 into which residual developer may be received.

However, since the process cartridge, particularly the waste toner hopper 100, is not horizontally disposed in the electronic image forming apparatus, one end of the process cartridge in the longitudinal direction is higher and the other end is lower. Therefore, the residual developer in the waste toner hopper gradually moves to the lower end of the waste toner hopper and gathers along with the vibration of the printing process. When the processing box is used to the middle stage to the later stage of the service life, more residual developer is stored in the waste powder bin, and the residual developer can overflow from the lower end of the waste powder bin (namely, the waste powder bin has the phenomenon of powder explosion) to influence the printing quality and pollute the inside of the electronic imaging device.

SUMMERY OF THE UTILITY MODEL

The application provides a useless powder storehouse and processing box to solve the problem that the powder phenomenon can appear exploding in current useless powder storehouse.

In a first aspect, an embodiment of the present application provides a waste powder bin, including a waste powder bin frame and a cleaning scraper, the waste powder bin frame and the cleaning scraper enclose a cavity for accommodating waste powder:

the waste powder bin frame is provided with a separation sheet, and the separation sheet separates the cavity to form a plurality of sub-cavities for containing waste powder.

In one possible design, the partition plate is perpendicular to the longitudinal direction of the process cartridge.

In one possible design, one end of the separating sheet, which is far away from the waste powder bin frame, abuts against the cleaning blade.

In one possible design, the number of separating sheets is 2-7.

In one possible design, the waste powder bin frame is provided with a plurality of fixing parts, and the separating sheet is fixed on the waste powder bin frame through matching with the fixing parts.

In a possible design, the fixing part is a groove formed by inwards recessing the inner wall of the waste powder bin frame, and the separating sheet can be inserted into the groove.

In one possible design, the waste powder bin frame is provided with an expansion bin along the outer wall of the length direction.

In one possible design, the interior of the expansion bin is provided with reinforcing ribs.

In one possible design, the waste powder bin frame and the expansion bin are integrally injection-molded.

In a second aspect, an embodiment of the present application further provides a process cartridge, including the waste toner bin as described above.

It is thus clear that in above each aspect, this application separates the cavity through utilizing the spacer and forms a plurality of sub-cavities that are used for holding waste powder for adjacent sub-cavity can not communicate or the intercommunication is obstructed, thereby has solved the problem that the powder explosion phenomenon can appear in current waste powder storehouse.

Drawings

FIG. 1 is a schematic view showing a structure of a process cartridge according to the prior art;

FIG. 2 is a schematic structural diagram of a waste powder bin in the background art;

FIG. 3 is a schematic structural view of the waste bin shown in FIG. 2 after the photosensitive element is removed;

FIG. 4 is a schematic structural diagram of a waste bin frame according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural view of a waste bin frame according to another embodiment of the present disclosure;

fig. 6 is a schematic structural view of the waste bin frame shown in fig. 5 with reinforcing ribs exposed.

Detailed Description

The present application will be described in detail below with reference to the drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the embodiments of the present application, the terms "first", "second", and the like, unless expressly specified or limited otherwise, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

In order to solve the problem that the waste powder in the waste powder bin is exploded before the service life of the processing box is over in the prior art, a novel waste powder bin is provided.

Fig. 4 is a schematic structural diagram of a waste bin frame according to an embodiment of the present application. The waste powder bin comprises a waste powder bin frame 110A and a cleaning scraper 130 (see fig. 3), the waste powder bin frame 110A and the cleaning scraper 130 enclose a cavity for containing waste powder, the waste powder bin frame 110A is provided with a separation sheet 111, and the cavity is divided by the separation sheet 111 to form a plurality of sub-cavities for containing waste powder. This application separates the cavity through utilizing spacer 111 and forms a plurality of sub-cavities that are used for holding waste powder for adjacent sub-cavity can not communicate or the intercommunication is obstructed, thereby has solved the problem that the powder explosion phenomenon can appear in current waste powder storehouse.

In some embodiments, the separating plate 111 is perpendicular to the length direction of the processing box, so that the quantity of the waste powder entering each sub-cavity is approximately the same, the quantity of the waste powder in the powder explosion of one sub-cavity is avoided, and the powder explosion phenomenon can be avoided. Of course, the separating sheet 111 may not be perpendicular to the longitudinal direction of the processing box, but it is within the scope of the present application as long as the cavity is divided into a plurality of sub-cavities, so that the waste powder between the sub-cavities cannot be communicated or communication is blocked.

In some embodiments, the end of the separating sheet 111 away from the waste toner bin frame 110A abuts the cleaning blade 130, i.e., the free end of the separating sheet 111 protrudes upward to a height level with the side of the cleaning blade 130 close to the waste toner bin frame 110A. Of course, the height of the free end of the separation sheet 111 projecting upwards may also be less than this height, so that only communication between different sub-cavities is obstructed. Although the waste powder is not completely blocked by the design, the aim of preventing powder explosion can be achieved by blocking a part of the waste powder by the separating sheet 111.

Of course, the free end of the partition 111 may be shaped such that a portion thereof abuts against the cleaning blade 130 and another portion thereof near the opening of the waste toner receptacle (i.e., the opening of the waste toner receptacle surrounded by the waste toner receptacle frame 110 and the cleaning blade 130 in fig. 3) protrudes more than the portion abutting against the cleaning blade 130. The arrangement can better divide the waste powder bin into a plurality of sub-cavities.

In some embodiments, the number of the separation sheets 111 should not be too large or too small. If the amount of the waste powder is too small, the problem of powder explosion of the waste powder cannot be effectively solved, and if the amount of the waste powder is too large, the capacity of the waste powder bin is reduced, and the processing difficulty and/or the cost of the waste powder bin frame 110A are/is increased. In some implementations, the number of separator sheets 111 should be between 2 and 7 (inclusive), more preferably 3 sheets as shown in fig. 4.

In some embodiments, the separator 111 may be formed directly and in one piece with the waste bin frame 110A for the manufacturing process; or may be formed separately from the waste toner receptacle frame 110, for example, a corresponding fixing portion is provided when the waste toner receptacle frame 110A is formed, and the separating sheet 111 is fixed to the waste toner receptacle frame 110A by the fixing portion. In some implementations, the fixing portion can be a groove recessed inward on the inner wall of the waste bin frame 110A, and the partition 111 is inserted into the groove to complete the fixing.

The separating sheet 111 is arranged, so that the volume of the waste powder bin is reduced; meanwhile, the waste powder bin obtains larger volume, which can help solve the powder explosion problem of waste powder, so that the waste powder bin frame 110A is also provided with the expansion bin 112. As shown in fig. 5 and 6, the expansion bin 112 is disposed on an outer wall of the waste powder bin frame 110A along the length direction, and the expansion bin 112 is connected to the waste powder bin main body and can store waste powder. In some implementations, the number of flash bins 112 is two.

Fig. 6 is a schematic structural view of the waste bin frame shown in fig. 5 with the exposed reinforcing ribs. The inside strengthening rib 113 that still includes of dilatation storehouse 112, strengthening rib 113 set up on useless powder storehouse frame 110A and not only stretch out in perpendicular to processing box length direction to dilatation storehouse 112, also stretch out in the opposite direction that stretches out in the dilatation storehouse 112 to useless powder storehouse along, and strengthening rib 113 can play the effect of strengthening dilatation storehouse 112 structural strength.

In some embodiments, the expansion bin 112 may be directly formed on the waste powder bin frame 110A by one-time injection molding, that is, the waste powder bin frame 110A directly forms the expansion bin 112 during injection molding. Of course, the position may be reserved when the waste powder bin frame 110A is injection molded, and the separate injection molding expansion bin 112 may be connected to the waste powder bin frame 110A by bonding, welding, or other connecting means.

In addition, this application embodiment still provides a processing box, and this processing box includes as above-mentioned useless powder storehouse, and this powder box has the same beneficial effect with above-mentioned useless powder storehouse, does not describe herein repeatedly.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.

Claims (10)

1. A waste bin comprising a waste bin frame (110A) and a cleaning blade (130), wherein the waste bin frame (110A) and the cleaning blade (130) enclose a cavity for containing waste powder:

the waste powder bin frame (110A) is provided with a separation sheet (111), and the separation sheet (111) separates the cavity to form a plurality of sub-cavities for containing waste powder.

2. The waste bin according to claim 1, wherein the partition plate (111) is perpendicular to a longitudinal direction of the process cartridge.

3. The waste bin of claim 1, wherein an end of the separator (111) distal from the waste bin frame (110A) abuts the cleaning blade (130).

4. The waste bin of claim 1, wherein the number of the partition sheets (111) is 2-7.

5. The waste bin of claim 1, wherein the waste bin frame (110A) is provided with a plurality of fixing portions, and the partition sheet (111) is fixed to the waste bin frame (110A) by being engaged with the fixing portions.

6. The waste toner hopper according to claim 5, wherein the fixing portion is a recess formed by an inner wall of the waste toner hopper frame (110A) being recessed inward, and the partition piece (111) is inserted into the recess.

7. The waste bin of claim 1, wherein the waste bin frame (110A) is provided with an expansion bin (112) along an outer wall in a length direction.

8. The waste bin according to claim 7, wherein the expansion bin (112) is internally provided with a reinforcing rib (113).

9. The waste bin of claim 7, wherein the waste bin frame (110A) and the expandable bin (112) are integrally injection molded.

10. A process cartridge characterized by comprising the waste toner hopper according to any one of claims 1 to 9.

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