CN210402019U - Carbon powder box - Google Patents
Carbon powder box Download PDFInfo
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- CN210402019U CN210402019U CN201921647829.5U CN201921647829U CN210402019U CN 210402019 U CN210402019 U CN 210402019U CN 201921647829 U CN201921647829 U CN 201921647829U CN 210402019 U CN210402019 U CN 210402019U
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- box body
- developing roller
- toner cartridge
- roller shaft
- conductive contact
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Abstract
The utility model provides a toner cartridge, include: the box body is provided with a carbon powder cavity for containing carbon powder; the developing roller can be supported between the two end walls of the box body in a rotating mode around the axis of the developing roller, and comprises a developing roller shaft supported on the two end walls of the box body; the powder feeding roller can be supported between the two end walls of the box body in a rotating way around the axis of the powder feeding roller, and comprises powder feeding roller shafts supported on the two end walls of the box body; the conductive contact piece is positioned on the outer side of one end wall of the box body; the conductive contact member has an electrical contact portion for contacting one output electrical contact of the image forming apparatus, a first output portion contacting one end of the developing roller shaft, and a second output portion contacting one end of the powder feeding roller shaft; the conductive contact is integrally formed. The carbon powder is stably transferred from the powder feeding roller to the developing roller, the powder feeding of the carbon powder box is more uniform, and the printing quality is stable. The toner cartridge has the advantages of few parts, simple structure, few assembling procedures and lower cost.
Description
Technical Field
The utility model belongs to the technical field of the printing consumables technique and specifically relates to a detachably installs imaging device's cartridge is related to.
Background
An image forming apparatus of an electrophotographic type, such as a laser printer, is an apparatus for forming an image on an image forming medium, such as paper, by using the principle of electrophotography through processes of charging, exposure, development, transfer, fixing, cleaning, and the like. Image forming apparatuses generally provide toner using a toner cartridge detachably mounted therein. Besides holding the toner, the toner cartridge usually integrates a developing member such as a developing roller, a toner feeding roller, a toner discharging blade, and the like, wherein the toner feeding roller is used for feeding the toner to the developing roller to form a toner layer, the toner discharging blade is used for adjusting the thickness of the toner layer on the developing roller, and the developing roller is used for developing the electrostatic latent image on the photosensitive element by using the toner carried on the developing roller. In the developing process, the developing roller, the powder feeding roller and the like generally need to be electrified to charge the toner with the required charges.
Referring to fig. 1, fig. 1 shows a conventional toner cartridge 1 detachably mountable to an image forming apparatus, and has a cartridge body 11, a powder feed roller (not shown), a developing roller 12, a first conductive member 13 and a second conductive member 14, the first conductive member 13 being connected to an end portion of a developing roller power supply contact 2 of the image forming apparatus and an end portion of a rotation shaft of the developing roller 12, respectively, the second conductive member 14 being connected to a powder feed roller power supply contact 3 of the image forming apparatus and an end portion of a rotation shaft of the powder feed roller, respectively, the first conductive member 13 and the second conductive member 14 being provided separately from each other. The conductive parts are separated from each other and are respectively connected with the developing components, so that the conductive end of the toner cartridge 1 has more parts and complex structures, and therefore, the assembly process is more, and the cost of the toner cartridge 1 is higher. Moreover, the plurality of conductive contacts separated from each other may cause unevenness in voltage of the receiving image forming apparatus, resulting in unevenness in toner application when toner on the toner cartridge 1 is transferred from the toner hopper to the developing roller 12 and the photosensitive drum, thereby causing a poor printing phenomenon.
Disclosure of Invention
In order to solve the above problems, the main object of the present invention is to provide a toner cartridge having a simple structure, a small number of assembling processes, a low cost and a good working stability.
In order to realize the above-mentioned main objective, the utility model provides a toner cartridge, include: the box body is provided with a carbon powder cavity for containing carbon powder; the developing roller can be supported between the two end walls of the box body in a rotating mode around the axis of the developing roller, and comprises a developing roller shaft supported on the two end walls of the box body; the powder feeding roller can be supported between the two end walls of the box body in a rotating way around the axis of the powder feeding roller, and comprises powder feeding roller shafts supported on the two end walls of the box body; the conductive contact piece is positioned on the outer side of one end wall of the box body; the conductive contact member has an electrical contact portion for contacting one output electrical contact of the image forming apparatus, a first output portion contacting one end of the developing roller shaft, and a second output portion contacting one end of the powder feeding roller shaft; the conductive contact is integrally formed.
According to the scheme, the electric contact part of the conductive contact piece is in contact with one output electric contact of the image forming device, the voltage output by the output electric contact is transmitted to the developing roller shaft through the first output part of the conductive contact piece, and meanwhile, the voltage output by the output electric contact is transmitted to the powder feeding roller shaft through the second output part of the conductive contact piece. Because the conductive contact piece is internally provided with a certain resistance, the voltage transmitted to the developing roller shaft and the powder feeding roller shaft is between the maximum charged voltage and the minimum charged voltage after the input voltage of the imaging equipment passes through the conductive contact piece of the toner cartridge, so that the carbon powder is stably transferred from the powder feeding roller to the developing roller, the toner on the toner cartridge is more uniform, and the printing quality is stable. Moreover, the conductive contact piece is integrally formed, and an electric contact and a connecting piece which are respectively connected with each developing component and are separated are not required to be arranged, so that the number of parts of the toner cartridge is reduced, and the toner cartridge is simple in structure, few in assembly process and low in cost.
Further, the conductive contact piece is made of conductive plastic.
Further, the first output portion may rotatably hold the developing roller shaft.
The first output part is arranged in a blind hole mode, the first output part is sleeved on the developing roller shaft, and the first output part is in contact with the circumferential surface of the developing roller shaft, so that the stability of electric contact is improved.
According to a further scheme, the toner cartridge further comprises a spring, and the spring abuts between the first output part and one axial end face of the developing roller shaft, so that the stability of electric contact is improved.
Still further, the second discharging part may rotatably hold the powder feeding roller shaft.
The second output part is arranged in a blind hole shape, the second output part is sleeved on the powder feeding roller shaft, and the second output part is in contact with the circumferential surface of the powder feeding roller shaft, so that the stability of electric contact is improved.
According to a further scheme, the conductive contact piece further comprises a first buckling part, the first buckling part extends along the axial direction of the box body, a boss is arranged on the box body in a protruding mode perpendicular to the axial direction of the box body, and the first buckling part is hooked on the boss and used for limiting the position of the conductive contact piece in the axial direction of the box body and improving the working stability.
According to a further scheme, the conductive contact element further comprises a second buckling part, the second buckling part extends along the axial direction of the box body, a through hole is formed in the axial direction of the end wall of the box body, the second buckling part penetrates through the through hole and is hooked on the side face, far away from the conductive contact element, of the end wall of the box body, the position of the conductive contact element in the axial direction of the box body is limited, and the working stability is improved.
In a further scheme, the first buckling part is arranged adjacent to the second output part, and the second buckling part is arranged adjacent to the first output part, so that the working reliability is improved.
Drawings
Fig. 1 is a structural view of a conventional toner cartridge.
Fig. 2 is a structural diagram of the toner cartridge according to the embodiment of the present invention.
Fig. 3 is a partially exploded view of an embodiment of the toner cartridge of the present invention.
Fig. 4 is a first view structural diagram of a conductive contact member in an embodiment of the toner cartridge of the present invention.
Fig. 5 is a second view structure diagram of the conductive contact member in the embodiment of the toner cartridge of the present invention.
Fig. 6 is a partial structure diagram of a first viewing angle of the toner cartridge according to the embodiment of the present invention.
Fig. 7 is a partial structure diagram of a second viewing angle of the toner cartridge according to the embodiment of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 2 to 7, the toner cartridge 4 includes a cartridge body 41, a developing roller 42, a powder feed roller, and a conductive contact 43, the cartridge body 41 having a toner chamber for accommodating toner, the conductive contact 43 being located outside one end wall of the cartridge body 41. The developing roller 42 is supported between both end walls of the cartridge body 41 so as to be rotatable about its axis, and the developing roller 42 includes a developing roller shaft 421 supported on both end walls of the cartridge body 41. The powder feed roller is supported between both end walls of the case 41 so as to be rotatable about its own axis, and includes a powder feed roller shaft 461 supported on both end walls of the case.
Referring to fig. 4 and 5, the conductive contact 43 of the present embodiment is formed by integrally molding conductive plastic, and the conductive contact 43 has an electrical contact portion 431, a first output portion 432, a second output portion 433, a first latching portion 435, and a second latching portion 434, the electrical contact portion 431 is configured to contact one output electrical contact of the image forming apparatus, the first output portion 432 is configured to contact one end of the developing roller shaft 421, and the second output portion 433 is configured to contact one end of the powder feeding roller shaft 461. Specifically, the first output portion 432 is provided in a blind hole shape, and the first output portion 432 is fitted over the developing roller shaft 421 to rotatably hold the developing roller shaft 421, so that the first output portion 432 is in contact with the circumferential surface of the developing roller shaft 421. The second discharging portion 433 is also provided in a blind hole shape, and the second discharging portion 433 is fitted over the powder feeding roller shaft 461 to rotatably hold the powder feeding roller shaft 461 such that the second discharging portion 433 is in contact with the circumferential surface of the powder feeding roller shaft 461.
Another embodiment in which the first output portion 432 is in contact with one end of the developing roller shaft 421 is that the toner cartridge 4 further includes a spring 44, and the spring 44 is abutted between the first output portion 432 and one end surface of the developing roller shaft 421, and at this time, the first output portion 432 may not be in direct contact with one end of the developing roller shaft 421, and may also be in direct contact with one end of the developing roller shaft 421. Specifically, the first output portion 432 is provided in a blind hole shape, a fixing post 437 is provided in the blind hole, the spring 44 is fitted over the fixing post 437 and is located in the blind hole, and the spring 44 abuts between a bottom surface of the blind hole and an axial end surface of the developing roller shaft 421. When the first output part 432 is not in direct contact with one end of the developing roller shaft 421, that is, the first output part 432 is not sleeved on the developing roller shaft 421, the voltage is transmitted to the developing roller shaft 421 through the first output part 432 and the spring 44. When the first carry-out part 432 is in direct contact with one end of the developing roller shaft 421, that is, the first carry-out part 432 is fitted over the developing roller shaft 421, the developing roller shaft 421 is rotatably held, so that the first carry-out part 432 is brought into contact with the circumferential surface of the developing roller shaft 421, while the first carry-out part 432 is also brought into surface contact with the shaft end of the developing roller shaft 421 by the spring 44.
The first latching portion 435 extends in the axial direction of the case 41, the case 41 is provided with a boss 413 protruding in the direction perpendicular to the axial direction of the case 41, and the first latching portion 435 is latched to the boss 413 to restrict the position of the conductive contact 43 in the axial direction of the case 41. The second latching portion 434 extends along the axial direction of the case 41, the end wall of the case 41 is provided with a through hole 411 in the axial direction, and the second latching portion 434 passes through the through hole 411 and is latched to the side of the end wall of the case 41 away from the conductive contact 43, and is also used for limiting the position of the conductive contact 43 in the axial direction of the case 41. In this embodiment, the first latch 435 is disposed adjacent to the second output portion 433, and the second latch 434 is disposed adjacent to the first output portion 432. The conductive contact 43 has an opening 436 in the axial direction of the case 41, the opening 436 is fitted over the mounting post 412 on the end wall of the case 41, and the conductive contact 43 is fixed to the end wall of the case 41 by the engagement of the screw 45 with the mounting post 412.
When the toner cartridge 4 of the present embodiment is mounted to the image forming apparatus, the electrical contact portion 431 of the conductive contact member 43 contacts one output electrical contact of the image forming apparatus, the electrical contact portion 431 of the conductive contact member 43 of the present embodiment contacts the developing roller power supply contact 2 of the image forming apparatus, the voltage output from the developing roller power supply contact 2 is transmitted to the developing roller shaft 421 through the first output portion 432 of the conductive contact member 43, and the voltage output from the developing roller power supply contact 2 is transmitted to the powder feeding roller shaft 461 through the second output portion 433 of the conductive contact member 43. Because the conductive contact piece 43 has a certain resistance, after the input voltage of the imaging device passes through the conductive contact piece 43 of the toner cartridge 4, the voltage transmitted to the developing roller shaft 421 and the powder feeding roller shaft 461 is between the maximum charging voltage and the minimum charging voltage, so that the transfer of the carbon powder from the powder feeding roller to the developing roller 42 is realized stably, the powder feeding of the toner cartridge 4 is more uniform, and the printing quality is stable. Moreover, the conductive contact 43 is integrally formed, and there is no need to provide an electrical contact and a connector which are respectively connected and separated for each developing member, so that the number of parts of the toner cartridge 4 is reduced, and the toner cartridge 4 has a simple structure, fewer assembly processes and lower cost.
Above embodiment is the preferred example of the utility model, and not the restriction the utility model discloses the range of implementing, the event all according to the utility model discloses the equivalent change or the decoration that structure, characteristic and principle were done of application for patent scope all should be included in the utility model discloses the patent application scope.
Claims (10)
1. A toner cartridge, comprising:
the box body is provided with a carbon powder cavity for containing carbon powder;
the developing roller can be supported between two end walls of the box body in a rotating mode around the axis of the developing roller, and comprises a developing roller shaft supported on the two end walls of the box body;
the powder feeding roller can be rotatably supported between the two end walls of the box body around the axis of the powder feeding roller, and comprises powder feeding roller shafts supported on the two end walls of the box body;
its characterized in that, the cartridge still includes:
the conductive contact piece is positioned on the outer side of one end wall of the box body;
the conductive contact member has an electrical contact portion for contacting one output electrical contact of an image forming apparatus, a first output portion contacting one end of the developing roller shaft, and a second output portion contacting one end of the powder feeding roller shaft;
the conductive contact is integrally formed.
2. The toner cartridge of claim 1, wherein:
the conductive contact is made of conductive plastic.
3. The toner cartridge of claim 2, wherein:
the first output portion rotatably holds the developing roller shaft.
4. The toner cartridge of claim 3, wherein:
the first output part is arranged in a blind hole shape and is sleeved on the developing roller shaft.
5. The toner cartridge of claim 2, wherein:
the toner cartridge further includes a spring abutting between the first output portion and an axial end surface of the developing roller shaft.
6. The toner cartridge of claim 2, wherein:
the second output portion rotatably holds the powder feeding roller shaft.
7. The toner cartridge of claim 6, wherein:
the second output part is arranged in a blind hole shape and is sleeved on the powder feeding roller shaft.
8. The toner cartridge according to any one of claims 1 to 7, wherein:
the conductive contact piece further comprises a first buckling part, the first buckling part extends along the axial direction of the box body, a boss is arranged on the box body in a protruding mode perpendicular to the axial direction of the box body, and the first buckling part is hooked on the boss.
9. The toner cartridge of claim 8, wherein:
the conductive contact piece further comprises a second buckling part, the second buckling part extends along the axial direction of the box body, a through hole is formed in the axial direction of the end wall of the box body, and the second buckling part penetrates through the through hole and is hooked on the side face, far away from the conductive contact piece, of the end wall of the box body.
10. The toner cartridge of claim 9, wherein:
the first buckling part is arranged adjacent to the second output part, and the second buckling part is arranged adjacent to the first output part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921647829.5U CN210402019U (en) | 2019-09-27 | 2019-09-27 | Carbon powder box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921647829.5U CN210402019U (en) | 2019-09-27 | 2019-09-27 | Carbon powder box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210402019U true CN210402019U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921647829.5U Active CN210402019U (en) | 2019-09-27 | 2019-09-27 | Carbon powder box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210402019U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531597A (en) * | 2019-09-27 | 2019-12-03 | 珠海天威飞马打印耗材有限公司 | Cartridge |
| CN110531598A (en) * | 2019-09-27 | 2019-12-03 | 珠海天威飞马打印耗材有限公司 | Cartridge |
-
2019
- 2019-09-27 CN CN201921647829.5U patent/CN210402019U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531597A (en) * | 2019-09-27 | 2019-12-03 | 珠海天威飞马打印耗材有限公司 | Cartridge |
| CN110531598A (en) * | 2019-09-27 | 2019-12-03 | 珠海天威飞马打印耗材有限公司 | Cartridge |
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