CN204631445U - a processing box - Google Patents

Abstract

The utility model discloses a kind of handle box, handle box comprises: photosensitive drums, First Driving Force acceptance division, protecting cover, anti-rotation feature, described anti-rotation feature is arranged on described handle box and is parallel at least one side in described tray turnover direction, and when described handle box is mounted to described tray, the side of described anti-rotation feature and described pallet forms interference fit.Because anti-rotation feature gives prominence to the outside surface of handle box, handle box receives the two side of itself and tray when driving force rotates and forms interference fit, even if First Driving Force acceptance division and the second driving force acceptance division receive external motivating force and make handle box have rotating tendency, interference fit between anti-rotation feature and tray two side prevents handle box to rotate, this structure is simple, low for injection mold accuracy requirement.

Description

a processing box

technical field

The utility model relates to a processing box.

Background technique

Imaging equipment, or electrophotographic imaging equipment, image forming device, is a device that forms images on recording materials through the principle of electrophotographic imaging. For example, electrophotographic copiers, laser printers, electrophotographic printers (such as laser printers and LED printers, etc.), fax machines and word processors, etc. An image forming apparatus generally includes a process cartridge detachably provided on a main body of the image forming apparatus.

Referring to FIG. 1 , an image forming apparatus 1 is disclosed in the prior art, which includes a main body 2 and an installation tray 19 that can be pulled out and retracted along the drawing in and out direction. The installation tray 19 is used for installing a process cartridge, which can be set as one The tray includes four process cartridge installation positions. Referring to FIG. 2, the installation tray 19 is pulled out of the image forming device 1 through the handle 76, and includes four process cartridge installation positions. Each installation position is separated by two tray side walls 19a of the installation tray 19, The process cartridge 25 can be installed to the installation site.

In addition, in order to control the position of the process box at the installation position, Chinese published patent CN103092022 discloses a mechanism to prevent the process box from rotating, see FIG. The U-shaped groove 24b, the U-shaped groove 24b is engaged with the positioning protrusion 53 provided on the inner wall of the image forming device 1, but the mechanism for preventing the rotation of the process cartridge has high requirements on the precision of the U-shaped groove, and if there is an error during injection molding, it often cannot It engages with the positioning protrusion of the machine, so the installation interference occurs. Therefore, it is urgent to develop a better mechanism for preventing the process cartridge from rotating.

Contents of the invention

The utility model provides a processing box to solve the problem in the prior art that a U-shaped groove protruding from the surface of the processing box is arranged on the end of the processing box, and the U-shaped groove is engaged with a positioning protrusion provided on the inner wall of an image forming device. The mechanism of the process box rotation has high requirements on the precision of the U-shaped groove, and the technical problem of installation interference is prone to occur.

The utility model provides a processing box installed in an image forming device. The image forming device is provided with a mounting tray that can slide in and out relative to the image forming device. The processing box includes:

Photosensitive drum;

a first driving force receiving part, the first driving force receiving part is arranged on one side end of the process cartridge perpendicular to the direction in which the installation tray enters and exits, and the first driving force receives the driving force to drive the photosensitive drum to rotate;

a protective cover, the protective cover is arranged on one side of the process box, and the protective cover restricts the movement of the first driving force receiving part in a direction perpendicular to the entry and exit of the installation tray;

An anti-rotation portion that prevents the process cartridge from receiving a driving force to rotate, the anti-rotation portion is provided on at least one side end of the process cartridge parallel to the direction in which the mounting tray enters and exits, and the anti-rotation portion is removed from the process cartridge One side protrudes.

When the process cartridge is mounted to the mounting tray, the anti-rotation portion abuts against a side wall of the mounting tray.

The anti-rotation portion forms an interference fit with a side wall of the mounting tray when the process cartridge receives a driving force.

The anti-rotation part is arranged on the protective cover.

The anti-rotation part is configured as an elastic member.

The elastic member is set as rubber.

The process cartridge also includes a developing roller and a second driving force receiving part, the second driving force receiving part is arranged on one side end of the process cartridge perpendicular to the direction in and out of the mounting tray, and the second driving force receiving part part drives the developing roller to rotate.

Since the anti-rotation portion protrudes from the outer surface of the process cartridge, the process cartridge forms an interference fit with both side walls of the mounting tray when the process cartridge receives the driving force to rotate, even if the first driving force receiving portion and the second driving force receiving portion receive the external driving force so that The processing box has a tendency to rotate, and the interference fit between the anti-rotation part and the two side walls of the installation tray prevents the processing box from rotating. The structure is simple and requires low precision for the injection mold.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the appended drawings in the following description The drawings are some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creative work.

Fig. 1 is a schematic diagram of the structure of the image forming device in the prior art of the utility model;

Fig. 2 is a structural schematic diagram of the utility model installation tray;

Fig. 3 is a schematic diagram of the structure of the installation tray of the utility model;

Fig. 4 is a structural schematic diagram of the utility model processing box;

Fig. 5 is a structural schematic diagram of a process box of the present invention;

Fig. 6 is a schematic diagram of the process box and the installation tray of the utility model;

Fig. 7 is a schematic diagram of the installation of the process box of the present invention to the installation tray;

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 4, a kind of process box 30 of the present utility model comprises photosensitive drum 31, is arranged on the first driving force receiving part 32 of process box side end, the second driving force receiving part 33 and protective cover 34, the first driving force The receiving part 32 receives the driving force and transmits it to the photosensitive drum 31 to drive the photosensitive drum 31 to rotate. The second driving force receiving part 33 receives the driving force and transmits it to the developing roller (not shown) to drive the developing roller to rotate. The protective cover 34 is arranged on the process cartridge 30 is a side end perpendicular to the direction in which the installation tray enters and exits, and is used to limit the movement of the first driving force receiving part 32 and the second driving force receiving part 33 in a direction perpendicular to the direction in which the installation tray enters and exits.

Referring to Fig. 5, a kind of processing box 30 of the present utility model is provided with anti-rotation part 35 along the two side ends parallel to the direction in and out of installation tray 19, preferably in the present embodiment: anti-rotation part 35 is arranged on the protective cover 34, prevents The rotating portion 35 is provided as a protrusion protruding from the outer surfaces of the above two ends of the process cartridge 30 or as an elastic member, preferably a rubber member, mounted on the above two ends of the process cartridge.

Referring to Fig. 6-Fig. 7, after a process box 30 of the utility model is installed on the installation tray 19, the anti-rotation part 35 contacts the two side arms 19a of the installation tray 19 on both sides parallel to the direction of the installation tray 19, and due to the anti-rotation The portion 35 protrudes from the outer surface of the process box. When the process box 30 receives an external driving force to rotate, the external force makes the process box have a tendency to rotate. At this time, the anti-rotation portion 35 forms an interference fit with the two side walls of the mounting tray 19, so Even if the first driving force receiving portion 32 and the second driving force receiving portion 33 receive an external driving force so that the process cartridge 30 has a tendency to rotate, the interference fit between the anti-rotation portion 35 and the mounting tray side walls 19a prevents the process cartridge 30 from being rotated. The rotation ensures that the process box 30 can receive the driving force stably, the structure is simple, and the requirement for the precision of the injection mold is low.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: description It is still possible to modify the technical solutions described in the foregoing embodiments, or to perform equivalent replacements for some of the technical features, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technology of the various embodiments of the present invention. The spirit and scope of the programme.

Claims (7)

1. A process cartridge installed in an image forming apparatus provided with a mounting tray slidably in and out relative to the image forming apparatus, characterized in that the process cartridge comprises: Photosensitive drum; a first driving force receiving part, the first driving force receiving part is arranged on one side end of the process cartridge perpendicular to the direction in which the installation tray enters and exits, and the first driving force receives the driving force to drive the photosensitive drum to rotate; a protective cover, the protective cover is arranged on one side of the process box, and the protective cover restricts the movement of the first driving force receiving part in a direction perpendicular to the entry and exit of the installation tray; An anti-rotation portion that prevents the process cartridge from receiving a driving force to rotate, the anti-rotation portion is provided on at least one side end of the process cartridge parallel to the direction in which the mounting tray enters and exits, and the anti-rotation portion is removed from the process cartridge One side protrudes. 2. The process cartridge according to claim 1, wherein when the process cartridge is mounted to the mounting tray, the anti-rotation portion abuts against a side wall of the mounting tray. 3. The process cartridge according to claim 1, wherein the anti-rotation portion forms an interference fit with a side wall of the mounting tray when the process cartridge receives a driving force. 4. The process cartridge according to claim 2 or 3, wherein the anti-rotation portion is provided on the protective cover. 5. The process cartridge according to claim 4, wherein the anti-rotation portion is configured as an elastic member. 6. The process cartridge according to claim 5, wherein the elastic member is made of rubber. 7. The process cartridge according to claim 6, wherein said process cartridge further comprises a developing roller and a second driving force receiving portion, said second driving force receiving portion being disposed on said process cartridge perpendicular to said One side end of the tray in and out direction is installed, and the second driving force receiving part drives the developing roller to rotate.