CN209992812U

CN209992812U - Processing box

Info

Publication number: CN209992812U
Application number: CN201920987839.7U
Authority: CN
Inventors: 梁斌; 沈宁飞
Original assignee: ZHUHAI LINGYIN TECHNOLOGY Co Ltd
Current assignee: ZHUHAI LINGYIN TECHNOLOGY Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-01-24
Anticipated expiration: 2029-06-26

Abstract

The utility model relates to a processing box, which comprises a powder bin and a waste powder bin which are connected with each other, wherein the powder bin comprises a powder bin shell and a developing roller which is rotatably arranged in the powder bin shell, carbon powder is contained in the powder bin shell, and the developing roller is used for supplying the carbon powder contained in the powder bin shell outwards; the powder bin shell further comprises a carbon powder adding opening and a sealing piece, wherein the carbon powder adding opening is arranged in the powder bin shell, and the sealing piece is used for sealing the carbon powder adding opening, and the carbon powder adding opening is located at the non-driving end of the processing box and is exposed.

Description

Processing box

Technical Field

The utility model relates to a processing box.

Background

A printer is a common office equipment in which a process cartridge is detachably mounted, the process cartridge including a powder hopper and a waste powder hopper which are connected to each other, wherein the powder hopper contains toner for development, and the waste powder hopper contains waste powder generated during the development.

Generally, the photosensitive drum that is used for formation of image is rotatably provided with in the useless powder storehouse, therefore, still be provided with the backup pad that is used for supporting the photosensitive drum in the useless powder storehouse, and is current, the backup pad forms with useless powder storehouse main part components of a whole that can function independently, when the equipment cartridge, need expend a large amount of time, is unfavorable for the promotion of cartridge production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a processing box, which comprises a powder bin and a waste powder bin which are connected with each other, wherein the powder bin comprises a powder bin shell and a developing roller which is rotatably arranged in the powder bin shell, carbon powder is contained in the powder bin shell, and the developing roller is used for supplying the carbon powder contained in the powder bin shell outwards; the powder bin shell further comprises a carbon powder adding opening and a sealing piece, wherein the carbon powder adding opening is arranged in the powder bin shell, and the sealing piece is used for sealing the carbon powder adding opening, and the carbon powder adding opening is located at the non-driving end of the processing box and is exposed.

The waste powder bin comprises a waste powder bin shell and a photosensitive drum which is rotatably arranged in the waste powder bin shell, and the developing roller supplies carbon powder to the photosensitive drum; the two longitudinal ends of the waste toner hopper housing have a first end portion and a second end portion, respectively, and the toner addition port does not exceed the second end portion of the waste toner hopper housing when viewed in a direction perpendicular to the longitudinal direction of the process cartridge.

The powder bin also comprises a driving device arranged at one longitudinal end, the waste powder bin also comprises a conductive piece fixedly arranged on the waste powder bin shell and a charging piece rotatably arranged in the waste powder bin shell, the driving device is used for receiving driving force to drive the developing roller to rotate, the conductive piece is used for receiving electric power to supply the electric power to the charging piece, the driving device and the conductive piece are positioned at the same side of the processing box, and the carbon powder adding port and the driving device are different.

The photosensitive drum comprises a photosensitive body and a power receiving part located at one longitudinal tail end of the photosensitive body, and the power receiving part is located on the same side as the driving device.

The conductive member is fixedly mounted at a first end portion having a distal end surface in a longitudinal direction of the waste powder bin, the conductive member protruding from the distal end surface in a direction away from the powder bin housing.

A space is also formed between the power receiving portion and the first end portion.

Drawings

Fig. 1 is a schematic view of the overall structure of the process cartridge according to the present invention.

Fig. 2 is an overall structure schematic diagram of the waste powder bin according to the present invention.

Fig. 3 is an exploded view of the waste powder bin according to the present invention.

Fig. 4A is a perspective view of the waste bin according to the present invention viewed from the non-driving end.

Fig. 4B is a perspective view of the driving end of the waste powder bin according to the present invention.

Fig. 5 is a perspective view of the process cartridge according to the present invention as viewed from a non-drive end thereof.

Detailed Description

The following describes embodiments of the present invention in detail with reference to the accompanying drawings.

Fig. 1 is a schematic view of an overall structure of a process cartridge according to the present invention; FIG. 2 is a schematic view of the whole structure of the waste powder bin according to the present invention; FIG. 3 is an exploded view of the waste bin according to the present invention; fig. 4A is a perspective view of a waste bin according to the present invention from a non-drive end; fig. 4B is a perspective view of the driving end of the waste powder bin according to the present invention.

As shown in the figure, the process cartridge C includes a powder hopper 20 and a waste powder hopper 10 connected to each other, and for clarity of description, the longitudinal direction of the process cartridge C is set to a longitudinal direction X.

The powder hopper 20 includes a powder hopper housing 21, a developing roller (not shown) rotatably mounted in the powder hopper housing 21, a driving device 22 located at one longitudinal end of the powder hopper housing 21, the side of the driving device 22 being referred to as a driving end, and the side opposite to the driving device 22 in the longitudinal direction of the process cartridge C being a non-driving end; the powder hopper housing 21 contains therein carbon powder, and the developing roller is used to supply the carbon powder in the powder hopper housing 21 to the photosensitive drum 12 described below.

The waste powder bin 10 comprises a waste powder bin shell 11, a photosensitive drum 12 and a charging piece 15 which are rotatably arranged in the waste powder bin shell 11, a grounding pin 13 arranged at one longitudinal end of the photosensitive drum 12, and a conductive piece 14 fixedly arranged on the waste powder bin shell 11; the photosensitive drum 12 is contacted with a charging piece 15, and a grounding pin 13 and a conductive piece 14 are respectively positioned at two longitudinal tail ends of the waste powder bin shell 11; as shown in fig. 2 and 3, the waste toner hopper housing 11 has first and

second end portions

11a and 11h at both longitudinal ends thereof, respectively, and a conductive member 14 is fixedly mounted on the first end portion 11a, and the first end portion 11a has a distal end surface 10a in the longitudinal direction of the waste toner hopper 20, and the conductive member 14 protrudes from the distal end surface 10a in a direction away from the waste toner hopper housing 11 when the conductive member 14 is mounted.

Further, the photosensitive drum 12 includes a photosensitive body 121 and a power receiving portion 122 located at one longitudinal end of the photosensitive body 121, the power receiving portion 122 forms a receiving groove 123 with an inner surface of the photosensitive body 121, and the photosensitive body 121 overlaps the power receiving portion 122 when viewed in a direction perpendicular to the longitudinal direction X; when the process cartridge C is mounted to the printer, a power output portion provided in the printer is combined with the power receiving portion 122.

The conductive member 14 is made of a conductive steel sheet, and includes a first conductive portion 141 and a second conductive portion 142 integrally formed, the first conductive portion 141 being for coupling with a power output portion in the printer to receive electric power, and the second conductive portion 142 being for coupling with the charging member 15 to supply electric power to the charging member 15. In the embodiment of the present invention, as shown in fig. 3 and 4B, the first end portion 11a is provided with the open slot 11B, and the second conductive portion 142 is installed through the open slot 11B, so that the installation process of the conductive member 14 is simplified, which is beneficial to the improvement of the assembly efficiency of the process cartridge C.

Further, the waste toner hopper 10 further includes a photosensitive drum holder 11c formed integrally with the waste toner hopper housing 11, and the photosensitive drum 12 is rotatably supported by the photosensitive drum holder 11 c; as shown in the figure, the photosensitive drum holder 11c includes a first mounting hole 11d provided therein, a support base 11e extending inward from a side of an inner surface of the first mounting hole 11d close to the grounding pin 13, whereby an accommodating groove 11f is formed between the support base 11e and the inner surface of the first mounting hole 11d, the power receiving portion 122 passes through the first mounting hole 11d into the accommodating groove 11f when the photosensitive drum 12 is mounted, the support base 11e enters into the accommodating groove 123, and the photosensitive drum 12 is rotatably supported; as shown in fig. 1, when the process cartridge C is completely assembled, a space S is formed between the power receiving portion 122 and the waste bin housing first end portion 11a to allow the power take-off portion in the printer to pass therethrough.

In the embodiment of the present invention, the conductive member 14, the power receiving portion 122 of the photosensitive drum, and the driving device 22 of the powder bin are all located at the same end of the processing box C, that is, the grounding pin 13 and the conductive member 14 are respectively located at two longitudinal ends of the processing box C; the power receiving portion 122 receives a driving force from the power output portion simultaneously with the driving device 22, so that the power receiving portion 122 drives the photosensitive drum 12 to rotate and the driving device 22 drives the developing roller to rotate.

As shown in fig. 3 and 4A, the waste toner hopper housing 11 further includes a second mounting hole 11i provided on the same side as the second distal end portion 11h, and the ground pin 13 is inserted into the photosensitive drum 12 through the second mounting hole 11 i; further, a plurality of cutting grooves 11j are uniformly formed in the circumferential direction of the second mounting hole 11i, so that the grounding pin 13 is prevented from being cracked in the second mounting hole 11i in the mounting process, and the grounding pin 13 cannot be stably mounted; further, as shown in fig. 4A, at least one notch 11k is further provided on the outer circumference of the second mounting hole 11i, and when it is necessary to take out the earth pin 13 from the waste bin housing 11, the earth pin 13 can be pried out quickly by inserting a tool such as tweezers or a flat screwdriver into the notch 11k, thereby improving efficiency.

As described above, the charging member 15 is in contact with the photosensitive drum 12, however, the process cartridge C does not operate, and particularly in transportation, the photosensitive drum 12 is not required to be in contact with the charging member 15, but is required to be kept separated from each other, so as to prevent one of them from being deformed due to the contact at the same position for a long time; as shown in fig. 3, the process cartridge C further includes a spacer pin 16, and correspondingly, the waste toner bin housing 11 is further provided with an insertion hole 11g, as shown in fig. 4B, a portion between the photosensitive drum 12 and the charging member 15 is opposite to the insertion hole 11g, the spacer pin 14 is inserted into the insertion hole 11g and further enters between the photosensitive drum 12 and the charging member 15, and finally, the photosensitive drum 12 is separated from the charging member 15; when the process cartridge C is required to be used, the end user only needs to take out the spacer pin 16 from the insertion hole 11 g.

As described above, the toner hopper housing 21 contains toner required for developing, and from the viewpoint of saving the use cost of the end user, the end user only needs to replenish the toner hopper housing 21 with new toner after the toner is consumed, and the process cartridge C can be used again. In the embodiment of the utility model, powder storehouse casing 21 still adds mouthful 22 and sealed this carbon powder including the carbon powder that sets up wherein and adds the sealing member 23 of mouthful 22, and end user opens sealing member 23, through the carbon powder adds mouthful 22 and supplements new carbon powder to powder storehouse casing 21 in, then install sealing member 23 once more can.

Further, the toner adding port 22 is provided at the non-driving end of the process cartridge C for the following reasons: the driving end is used for receiving driving force from the printer and transmitting the driving force to the developing roller through the driving device, generally, the driving device is a gear set, and considering that the gear set needs to occupy larger space and area when being installed, the driving end does not have redundant area and space for arranging the carbon powder adding port 22; further, it is necessary to provide a baffle plate on the outside of the gear train after the gear train is installed to fix and prevent the gear train from being detached from the powder hopper housing 21, so that it is more difficult to provide the toner adding port 22 to be exposed.

As shown in fig. 5, the toner adding port 22 in the process cartridge C of the present invention is further configured to: the toner addition port 22 does not extend beyond the second end portion 11h of the waste bin housing 11 when viewed in a direction perpendicular to the longitudinal direction of the process cartridge C, and thus the second end portion 11h protects the toner addition port 22 from external interference during transportation of the process cartridge C to maintain the integrity of the seal 22 and prevent toner leakage from the toner addition port 22.

In the embodiment of the present invention, the photosensitive drum support 11C is integrally formed with the waste powder bin housing 11, so that the whole waste powder bin housing 11 is integrally formed, which is beneficial to improving the assembling efficiency of the processing box C; further, the powder hopper housing 21 of the processing cartridge C is further provided with a toner adding port 22 exposed outside, so that when the toner in the powder hopper housing 21 is consumed, the end user only needs to open the sealing member 23 and add new toner to the powder hopper housing 21 through the toner adding port 22 for reuse, thereby reducing the use cost of the end user.

Claims

1. The processing box comprises a powder bin and a waste powder bin which are connected with each other, wherein the powder bin comprises a powder bin shell and a developing roller which is rotatably arranged in the powder bin shell, carbon powder is contained in the powder bin shell, and the developing roller is used for supplying the carbon powder contained in the powder bin shell outwards;

the powder bin is characterized in that the powder bin shell further comprises a carbon powder adding port and a sealing piece, the carbon powder adding port is arranged in the powder bin shell, and the sealing piece is used for sealing the carbon powder adding port, and the carbon powder adding port is located at the non-driving end of the processing box and is exposed.

2. A process cartridge according to claim 1, wherein the waste toner hopper includes a waste toner hopper housing, a photosensitive drum rotatably mounted in the waste toner hopper housing, the developing roller supplying the toner to the photosensitive drum; the two longitudinal ends of the waste toner hopper housing have a first end portion and a second end portion, respectively, and the toner addition port does not exceed the second end portion of the waste toner hopper housing when viewed in a direction perpendicular to the longitudinal direction of the process cartridge.

3. A process cartridge according to claim 2, wherein the powder hopper further includes a driving means provided at one longitudinal end, the waste powder hopper further includes a conductive member fixedly mounted on the waste powder hopper housing, the driving means being for receiving a driving force to drive the developing roller to rotate, and a charging member rotatably mounted in the waste powder hopper housing, the conductive member being for receiving electric power to be supplied to the charging member, the driving means and the conductive member being located on the same side of the process cartridge, the toner addition port being different from the driving means.

4. A process cartridge according to claim 3, wherein the photosensitive drum includes a photosensitive body and a power receiving portion at one longitudinal end of the photosensitive body, the power receiving portion being on the same side as the driving means.

5. A process cartridge according to claim 4, wherein the conductive member is fixedly mounted at the first end portion.

6. A process cartridge according to claim 5, wherein the first distal end portion has a distal end surface in a longitudinal direction of the waste powder hopper, and the conductive member protrudes from the distal end surface in a direction away from the powder hopper housing.

7. A process cartridge according to claim 4, wherein a space is further formed between the power receiving portion and the first distal end portion.