CN216696994U

CN216696994U - Processing box

Info

Publication number: CN216696994U
Application number: CN202220184042.5U
Authority: CN
Inventors: 王超
Original assignee: Zhongshan Hansen Printing Technology Co ltd
Current assignee: Zhongshan Hansen Printing Technology Co ltd
Priority date: 2022-01-23
Filing date: 2022-01-23
Publication date: 2022-06-07
Anticipated expiration: 2032-01-23

Abstract

The utility model provides a processing box, which comprises a powder bin and a waste powder bin which are combined with each other, wherein the powder bin comprises a first shell, the waste powder bin comprises a second shell, the powder bin is provided with a carbon powder cavity capable of containing carbon powder, the waste powder bin is provided with a waste powder cavity capable of containing waste powder, an extension part is arranged on the shell of the powder bin and/or the waste powder bin, the extension part is communicated with the carbon powder cavity or the waste powder cavity, the extending portion overlaps with an opposite one of the first casing and the second casing to the extending portion when viewed in a direction perpendicular to an up-down direction of the process cartridge, the inner space of the processing box can be fully utilized, the capacity of the powder bin and/or the waste powder bin is increased, the storage capacity of the carbon powder and/or the waste powder is increased, the service life of the processing box is prolonged, the frequency of replacing the processing box is reduced, and the use cost of a user is better reduced.

Description

Processing box

Technical Field

The present invention relates to the field of electronic imaging, and more particularly, to a process cartridge detachably mountable in an electronic imaging apparatus.

Background

There is a process cartridge detachably mountable to an electronic image forming apparatus, including a developing unit and a photosensitive unit combined with each other, the developing unit including a powder hopper and a developing roller, and the photosensitive unit including a waste powder hopper and a photosensitive drum. The powder bin can contain carbon powder, and the waste powder bin contains residual waste powder on the surface of the photosensitive drum. When the electronic imaging device works, the developing roller is contacted with the photosensitive drum, and the developing roller is used for supplying carbon powder in the powder bin to the photosensitive drum so as to develop the electrostatic latent image on the surface of the photosensitive drum.

SUMMERY OF THE UTILITY MODEL

The utility model provides a processing box, which is used for increasing the volume of a powder bin and/or a waste powder bin of the existing processing box, increasing the storage capacity of carbon powder and/or waste powder, prolonging the service life of the processing box, reducing the frequency of replacing the processing box, better reducing the use cost of a user, saving resources and reducing waste. The specific scheme is as follows:

the processing box comprises a powder bin and a waste powder bin which are combined with each other, the powder bin comprises a first shell, the waste powder bin comprises a second shell, the powder bin is provided with a carbon powder cavity capable of containing carbon powder, the waste powder bin is provided with a waste powder cavity capable of containing waste powder, an extending part is arranged on the shell of the powder bin and/or the waste powder bin, the extending part is communicated with the carbon powder cavity or the waste powder cavity, and when the extending part is observed along the vertical direction of the processing box, the extending part is overlapped with one of the first shell and the second shell, which is opposite to the extending part.

The extension enters one of the first housing and the second housing opposite the extension.

The first housing of the powder hopper is provided with an extending portion which overlaps with the second housing when viewed in a direction perpendicular to the up-down direction of the process cartridge.

The extension part is provided with an accommodating cavity which is communicated with the carbon powder cavity of the powder bin.

The extension part forms a step surface in front of the processing box, and the step surface is combined with the waste powder bin.

The waste powder bin is combined with the upper surface of the extending part.

The waste powder bin second housing is provided with an extension portion which overlaps the first housing when viewed in a direction perpendicular to the up-down direction of the process cartridge.

The extension part is provided with a containing cavity which is communicated with the waste powder cavity of the waste powder bin.

The first shell of the powder bin is provided with a first extending part, the second shell of the waste powder bin is provided with a second extending part, when the powder bin is observed along the direction vertical to the vertical direction of the processing box, the first extending part is overlapped with the second shell, and the second extending part is overlapped with the first shell.

The first extending part and the second extending part are provided with accommodating cavities, the accommodating cavity of the first extending part is communicated with the carbon powder cavity of the powder bin, and the accommodating cavity of the second extending part is communicated with the waste powder cavity of the waste powder bin.

As mentioned above, the processing box of the utility model increases the volume of the powder bin and/or the waste powder bin by arranging the extension part on the shell of the powder bin and/or the waste powder bin, increases the storage capacity of the carbon powder or the waste powder, prolongs the service life of the processing box, reduces the frequency of replacing the processing box, better reduces the use cost of users, saves resources and reduces waste.

Drawings

Fig. 1 and 2 are perspective views of a process cartridge according to the present invention.

Fig. 3 is a perspective view of a powder hopper of the process cartridge according to the present invention.

Fig. 4 is a perspective view of a waste toner hopper of the process cartridge according to the present invention.

Fig. 5A is a sectional view of the process cartridge according to the present invention as viewed in the longitudinal direction.

Fig. 5B is a sectional view of the process cartridge according to the other embodiment of the present invention as viewed in the longitudinal direction.

Detailed Description

For convenience of description, the longitudinal direction of the process cartridge 100 is taken as the left-right direction, the width direction of the process cartridge 100 is taken as the front-rear direction, and the height direction of the process cartridge 100 is taken as the up-down direction.

As shown in fig. 1 and 2, the process cartridge 100 includes a powder hopper 10 and a waste powder hopper 20 combined with each other, the powder hopper 10 including a first housing 13 and a developing roller 11 rotatably mounted on the first housing 13, and the waste powder hopper 20 including a second housing 27 and a photosensitive drum 22 rotatably mounted on the second housing 27. A toner chamber 42 (shown in FIG. 5) inside the first housing 13 is used to hold toner that is supplied by the developer roller 11 to the photoreceptor drum 22. The left end of the powder container 10 is provided with a first through hole 12, the first through hole 12 penetrates the inside and outside of the powder container 10, and carbon powder can be added to the powder container 10 from the first through hole 12 and sealed with a sealing plug (not shown) that can be fitted into the first through hole 12. The waste powder cavity 24 (as shown in fig. 4) inside the waste powder bin 20 is used for containing the waste powder remained on the surface of the photosensitive drum 22, the second through hole 21 penetrating through the inside and the outside of the waste powder bin 20 and the sealing cover matched with the second through hole 21 are arranged on the lower surface of the waste powder bin 20, and after the waste powder bin 20 contains enough waste powder, the waste powder can be poured out from the second through hole 21 by opening the sealing cover. The process cartridge 100 receives driving force and electric power from the apparatus through the left and right ends, respectively, to supply the driving force and the electric power to the developing roller 11.

The process cartridge 100 further includes a first end cap 31 and a second end cap 32 which are separated from each other, and the first end cap 31 and the second end cap 32 are respectively provided at both longitudinal ends of the process cartridge 100 for coupling the powder hopper 10 and the waste powder hopper 20.

As shown in fig. 3, the powder hopper 10 is provided with an extension portion 40 extending outward from the first housing 13, the extension portion 40 is provided with a first coupling surface 41, the extension portion 40 forms a step in front of the process cartridge 100, and the first coupling surface 41 is a step surface for coupling with the waste powder hopper 20 and supporting the waste powder hopper 20. Preferably, two extending portions 40 are provided, and are spaced apart from each other at two ends of the powder bin 10, and a laser port 43 (shown in fig. 1) for passing laser light is formed between the two extending portions; the extension part 40 is integrally formed with the first shell 13, and no gap exists between the extension part 40 and the first shell 13, so that the problem of carbon powder leakage is avoided. The accommodating cavity inside the extension part 40 is communicated with the carbon powder cavity 42 inside the first shell 13, so that the volume of the powder bin 10 can be increased, the carbon powder storage amount is increased, the service life of the processing box 100 is prolonged, the frequency of replacing the processing box 100 is reduced, and the use cost of a user is better reduced.

As shown in fig. 4, the waste powder bin 20 is provided with a waste powder chamber 24 for accommodating waste powder and a combining chamber 23, a partition 25 is provided between the waste powder chamber 24 and the combining chamber 23, and the partition 25 is preferably plate-shaped and is used for partitioning the waste powder chamber 24 and the combining chamber 23 to prevent the waste powder from leaking. The waste powder bin 20 is further provided with a second combining surface 26 for combining with the first combining surface 41, when the powder bin 10 and the waste powder bin 20 are mounted in a buckling manner, the extending part 40 can extend into the combining cavity 23, and the internal space of the processing box can be fully utilized. Preferably, the two end portions of the waste toner receptacle 20 are respectively provided with a coupling chamber 23 and a second coupling surface 26, and a handle 28 is provided between the two coupling chambers for mounting and dismounting the process cartridge 100.

Fig. 5A is a sectional view of the process cartridge according to the present invention as viewed in a longitudinal direction, and fig. 5B is a sectional view of the process cartridge according to another embodiment of the present invention as viewed in the longitudinal direction.

As shown in fig. 5A, when the first combining surface 41 is combined with the second combining surface 26 in a right-left projection along the left-right direction of the process cartridge 100, the first combining surface 41 can support the waste toner bin 20, so that the waste toner bin 20 is more stable. The extension 40 overlaps the second housing 27 when viewed in a direction perpendicular to the up-down direction of the process cartridge 100, making the process cartridge 100 more compact and stable. The accommodating cavity inside the extension part 40 is communicated with the carbon powder cavity 42 inside the first shell 13, so that the volume of the powder bin 10 is increased, the storage amount of the carbon powder is increased, the service life of the processing box 100 can be prolonged, the frequency of replacing the processing box 100 is reduced, and the use cost of a user is better reduced.

Optionally, as shown in fig. 5B, a part of the housing located in front of the waste powder bin 20 is retracted backwards, so that the second housing 27 is supported on the upper surface of the extension portion 40, and in the front-back direction, the distance between the housings of the waste powder bin 20 can be shortened, the pressure applied to the housings can be reduced, the compression resistance can be improved, the housings can be prevented from being deformed, and the waste powder bin 20 can be firmer; the extending portion 40 exposes at least a part through the second housing 27 of the waste powder bin 20, that is, the extending portion 40 does not extend completely into the combining cavity 23, and the extending portion 40 extends forward to the front boundary at the upper part of the step, and the original step is removed, that is, the first combining surface 41 is removed, so that the upper surface of the extending portion 40 serves as the combining surface to combine with the waste powder bin 20 and support the waste powder bin 20, when viewed along the direction perpendicular to the up-down direction of the processing box 100, the extending portion 40 overlaps with the second housing 27, thereby further increasing the volume of the powder bin 10, increasing the storage amount of the toner, prolonging the service life of the processing box 100, reducing the frequency of replacing the processing box 100, and better reducing the use cost of the user.

Alternatively, the waste toner hopper 20 is provided with an extension portion extending outward from the second housing 27, and the extension portion overlaps with the first housing 13 when viewed in a direction perpendicular to the up-down direction of the process cartridge 100, so that the process cartridge 100 can be more compact and more stable. Preferably, the extension part is integrally formed with the second housing 27, and there is no gap between the extension part and the second housing 27, so that the waste toner leakage problem does not occur. The chamber that holds of extension and useless powder chamber 24 intercommunication to increase the volume in useless powder storehouse 20, increase useless powder memory space, prolong the life of processing box 100, reduce the frequency of changing processing box 100, reduce user's use cost better.

Alternatively, the powder hopper 10 is provided with a first extension extending outwardly from the first housing 13, while the waste powder hopper 20 is provided with a second extension extending outwardly from the second housing 27. When viewed in a direction perpendicular to the up-down direction of the process cartridge 100, the first extending portion overlaps the second housing 27, and the second extending portion overlaps the first housing 13, so that the structure of the process cartridge 100 can be made more compact and more stable. The chamber that holds inside the first extension communicates with carbon powder chamber 42, and the chamber that holds inside the second extension communicates with useless powder chamber 24, can increase the volume in powder storehouse 10 and useless powder storehouse 20 simultaneously, increases carbon powder and useless powder memory space, and the life of extension processing box 100 reduces the frequency of changing processing box 100, reduces user's use cost better.

By adopting the technical scheme, the internal space of the processing box can be fully utilized, so that the internal structure of the processing box is more compact and more stable, meanwhile, the volume of the powder bin and/or the waste powder bin is increased, the storage capacity of the carbon powder and/or the waste powder is increased, the service life of the processing box is prolonged, the frequency of replacing the processing box is reduced, the use cost of a user is better reduced, resources are saved, and waste is reduced.

Claims

1. The processing box comprises a powder bin and a waste powder bin which are combined with each other, wherein the powder bin comprises a first shell, the waste powder bin comprises a second shell, the powder bin is provided with a carbon powder cavity capable of containing carbon powder, the waste powder bin is provided with a waste powder cavity capable of containing waste powder, and the processing box is characterized in that an extending part is arranged on the shell of the powder bin and/or the waste powder bin, the extending part is communicated with the carbon powder cavity or the waste powder cavity, and when the processing box is observed along the vertical direction of the processing box, the extending part is overlapped with one of the first shell and the second shell, which is opposite to the extending part.

2. A process cartridge according to claim 1, wherein said extending portion enters one of the first housing and the second housing opposite to the extending portion.

3. A cartridge according to claim 1 or 2, wherein said first housing of the powder hopper is provided with an extended portion which overlaps with the second housing when viewed in a direction perpendicular to an up-down direction of the cartridge.

4. A process cartridge according to claim 3, wherein said extension has a receiving chamber communicating with the toner chamber of the toner hopper.

5. A process cartridge according to claim 4, wherein said extension forms a step surface in front of the process cartridge, said step surface being combined with the waste toner hopper.

6. The process cartridge as claimed in claim 4, wherein said waste toner hopper is combined with an upper surface of the extension portion.

7. A process cartridge according to claim 1 or 2, wherein said waste toner hopper second casing is provided with an extended portion which overlaps with the first casing when viewed in a direction perpendicular to an up-down direction of the process cartridge.

8. A process cartridge according to claim 7, wherein said extending portion has a housing chamber communicating with the waste toner chamber of the waste toner hopper.

9. A process cartridge according to claim 1 or 2, wherein said first housing of the powder hopper is provided with a first extending portion, and said second housing of the waste powder hopper is provided with a second extending portion, said first extending portion overlapping with the second housing when viewed in a direction perpendicular to an up-down direction of the process cartridge, said second extending portion overlapping with the first housing.

10. A process cartridge according to claim 9, wherein said first extending portion and said second extending portion each have a receiving chamber, said receiving chamber of said first extending portion communicates with the toner chamber of the toner hopper, and said receiving chamber of said second extending portion communicates with the waste chamber of the waste toner hopper.