CN219872125U - Developing box - Google Patents
Developing box Download PDFInfo
- Publication number
- CN219872125U CN219872125U CN202320837277.4U CN202320837277U CN219872125U CN 219872125 U CN219872125 U CN 219872125U CN 202320837277 U CN202320837277 U CN 202320837277U CN 219872125 U CN219872125 U CN 219872125U
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- China
- Prior art keywords
- developing cartridge
- cartridge
- developing
- drum
- electrical contact
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- 238000003384 imaging method Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a developing cartridge detachably mountable to a drum cartridge, the developing cartridge comprising: a housing for accommodating the developer, the housing including a first end and a second end in a first direction, the housing including a third end and a fourth end in a second direction; a developing roller located at a third end of the housing, the developing roller being rotatable about a developing roller axis extending in the first direction; a memory for storing information of the developing cartridge and the drum cartridge; two electrical connection surfaces, both located at the first end of the housing, the two electrical contact surfaces being spaced apart in the second direction; both electrical contact surfaces are electrically connected to the reservoir; the developing cartridge of the present utility model improves the stability of the developing cartridge and the electrophotographic image forming apparatus by providing both electrical contact surfaces on the developing cartridge, compared to the prior art.
Description
Technical Field
The utility model relates to the technical field of electrophotographic imaging, in particular to a developing box.
Technical Field
The prior art discloses a developing cartridge detachably mountable to a drum cartridge; the drum cartridge may be mounted to the electrophotographic image forming apparatus together with a developing cartridge including a housing for accommodating a developer, a developing roller, a agitator, and a developing storage chip for identifying a type and capacity of the developing cartridge and life information; the drum box comprises a photosensitive drum for forming an electrostatic latent image and a drum storage chip for storing information such as the service life of the drum box; the developing storage chip and the drum storage chip are respectively provided with an electric contact surface, and in a state that the developing cartridge is mounted to the electrophotographic image forming apparatus, the developing storage chip and the drum storage chip are respectively electrically connected with the electrophotographic image forming apparatus through the electric contact surfaces, so that the electrophotographic image forming apparatus stores and records information inside the developing storage chip and the drum storage chip.
In use, the two electrical contact surfaces are respectively arranged on two different devices, and the two electrical contact surfaces are required to be connected with the electrophotographic imaging device at the same time, so that the electrophotographic imaging device is difficult to position with the two electrical contact surfaces, and the electrical contact surfaces are not connected with the electrophotographic imaging device stably enough, so that in the use process, the situation that one electrical contact surface is contacted and the other electrical contact surface cannot be completely contacted with the electrophotographic imaging device, and the situation that the electrophotographic imaging device reports errors and cannot image normally exists; for these situations, both the manufacturer and the end user are unwilling to see, so there is a need to design a new developing cartridge to solve the above-mentioned problems.
Disclosure of Invention
Therefore, the present utility model provides a developing cartridge for solving the above technical problems, which is mainly implemented by the following technical solutions:
a developing cartridge detachably mountable to a drum cartridge, the developing cartridge comprising:
a housing for accommodating the developer, the housing including a first end and a second end in a first direction, the housing including a third end and a fourth end in a second direction;
a developing roller located at a third end of the housing, the developing roller being rotatable about a developing roller axis extending in the first direction;
a memory for storing information of the developing cartridge and the drum cartridge;
two electrical connection surfaces, both located at the first end of the housing, the two electrical contact surfaces being spaced apart in the second direction; both electrical contact surfaces are electrically connected to the reservoir.
Further, in a state where the developing cartridge is mounted to the drum cartridge, both the electric contact surfaces are located above the drum cartridge in the third direction.
Further, two reservoirs are provided, one having information of the developing cartridge and the other having information of the drum cartridge.
Further, the reservoir includes two storage portions, one having information of the developing cartridge and the other having information of the drum cartridge.
Further, the developing cartridge further includes a driving portion for receiving a driving force to drive the developing roller to rotate, and an end cap for covering the driving portion.
Further, the end cover is disposed at the first end of the housing, and a support portion for supporting the electrical contact surface extends from a side of the end cover away from the housing in the first direction.
The beneficial effects are that:
the developing cartridge of the present utility model improves the stability of the developing cartridge and the electrophotographic image forming apparatus by providing both electrical contact surfaces on the developing cartridge.
Drawings
FIG. 1 is a schematic view of a developer cartridge of the present utility model ready for installation into a printer;
FIG. 2 is a schematic view of a developing cartridge of the present utility model;
FIG. 3 is a schematic view of the developing cartridge of the present utility model at another angle;
FIG. 4 is a schematic view of the right side structure of the developing cartridge of the present utility model;
fig. 5 is a vertical sectional view of the developing cartridge of the present utility model;
FIG. 6 is a schematic view of a drum cartridge of the present utility model
FIG. 7 is a schematic view of the developing cartridge of the present utility model in an engaged state with a drum cartridge;
FIG. 8 is a partial schematic view of the developing cartridge of the present utility model at another angle in the engaged state with the drum cartridge;
fig. 9 is a partial schematic view of a developing cartridge in an engaged state with a drum cartridge according to another embodiment of the present utility model;
FIG. 10 is a partial schematic view of the novel developer cartridge of the present utility model in engagement with a guide frame;
FIG. 11 is a schematic view of a developing cartridge in accordance with a second embodiment of the present utility model;
FIG. 12 is a schematic view of an end cap in accordance with a third embodiment of the utility model;
fig. 13 is a schematic view of an end cap in a state in which a developing cartridge is engaged with a drum cartridge in accordance with the third embodiment of the present utility model.
Detailed Description
In order to make the technical solution and the technical effects of the embodiments of the present utility model more clear, the technical solution of the developing cartridge of the present utility model will be clearly and completely described with reference to the accompanying drawings. It is apparent that the described embodiment is only one preferred embodiment of the present utility model, but not all embodiments, and that other embodiments, which are obtained by those skilled in the art without inventive effort, are within the scope of the present utility model based on the embodiments of the present utility model.
Embodiment one:
as shown in fig. 1 to 5, in the following description, when referring to the direction of the developing cartridge 100, the developing roller gear 121 is disposed on the left side of the developing roller 120 with the axial direction of the developing roller 120 as the first direction (left-right direction); the second direction (front-rear direction) is defined as an arrangement direction of the developing roller axis and the stirring frame axis, the developing roller axis being located on the front side of the stirring frame axis; the third direction (up-down direction) is a direction intersecting the first direction and the second direction.
1. Electrophotographic image forming apparatus 10 and drum cartridge 50
As shown in fig. 1 and 6, a developing cartridge 100 is detachably mountable to an inside of a main body frame 11 of an electrophotographic image forming apparatus 10 integrally with a drum cartridge 50, the main body frame 11 being box-shaped and having an opening 12, and an outer cover 13 for controlling opening and closing of the opening 12; as shown in fig. 2, the drum cartridge 50 includes a frame 51 for accommodating the developing cartridge 100 and a photosensitive drum 52 for forming an electrostatic latent image, the photosensitive drum 52 being rotatable about a photosensitive drum axis extending in a first direction; the drum cartridge 50 further includes a urging portion 53 for providing urging force to the developing cartridge 100.
As shown in fig. 7 to 8, the electrophotographic image forming apparatus 10 further includes a guide frame 20 provided at both sides of the main body frame 11, the guide frame 20 including a first electric contact point 21 and a second electric contact point 22, the first electric contact point 21 and the second electric contact point 22 being electrically connected to a main body substrate (not shown) provided inside the main body frame 11, the main body substrate including a processor performing an image forming process, a main body memory storing various information, and the like.
2. Structure of developing cartridge 100
As shown in fig. 2 to 5, the developing cartridge 100 includes a housing 110 for accommodating a developer, the housing 110 including a handle 111, a forced pushing portion 112, and a guided portion 113, the handle 111 being provided at a top rear side of the housing 110 for a user to hold; the forced pushing portion 112 receives the forced pushing force from the forced pushing portion 53 in the drum cartridge 50 to bring the developing roller 120 into contact with the photosensitive drum 52, the forced pushing portion 112 being configured as columnar projections protruding below both sides of the casing 110 in the left-right direction; the guided portion 113 extends in a first direction, and the guided portion 113 coincides with at least the developing roller 120 as viewed in the first direction, for engaging a guide portion (not shown) of the drum cartridge 50, facilitating the mounting of the developing cartridge 100 and the drum cartridge 50; a front end of the housing 110 in the front-rear direction is mounted with a developing roller 120 for carrying developer, the developing roller 120 being rotatable about a developing roller axis extending in the first direction;
the left side portion of the developing cartridge 100 in the left-right direction includes the driving portion 150, and the left side portion of the developing cartridge 100 in the first direction includes the electrical contact portion 130; the developing cartridge 100 further includes a stirring frame 140 provided inside the housing 110; the driving part 150 is disposed at the left side of the developing cartridge 100 and may be engaged with a driving device (not shown) 10 of the electrophotographic image forming apparatus, and after the developing cartridge 100 is mounted to the electrophotographic image forming apparatus 10, the driving part 150 is engaged with the driving device (not shown) of the electrophotographic image forming apparatus 10 to receive a driving force and rotate the developing roller 120 through the developing roller gear 121; an electric contact part 130 is provided at the right side of the housing 110, and the electric contact part 130 has an electrode surface 131 facing to the right side, the electric contact part 130 establishes an electric connection with the electrophotographic image forming apparatus 10 through the electrode surface 131, the electric contact part 130 is connected with a power supply member (not shown) of the electrophotographic image forming apparatus 10 when the developing cartridge 100 is mounted to the electrophotographic image forming apparatus 10, thereby supplying power to the developing roller 120, the electric contact part 130 is constructed of an electrically conductive material; the stirring frame 140 is rotatable about a stirring frame axis rotating in a first direction for stirring the developer inside the casing 110.
The developing cartridge 100 further includes a first reservoir 160 and a second reservoir 170; the first reservoir 160 and the second reservoir 170 have a first electrical contact surface 161 and a second electrical contact surface 171, respectively; in the present embodiment, the first memory 160 stores therein information such as ID information of the developing cartridge 100, capacity information of the developer, service life information, and abnormality in use process; the second storage 170 stores therein model information about the drum cartridge 50 that cooperates with the developing cartridge 100 and usage information of the drum cartridge 50.
As shown in fig. 8, the left side of the developing cartridge 100 further includes an end cap 180 for covering the driving part 150; in the present embodiment, the first and second reservoirs 160 and 170 are mounted on the left side of the developing cartridge 100 through the end cover 180, and the first and second reservoirs 160 and 170 are spaced apart in the front-rear direction, the first reservoir 160 being located in front of the second reservoir 170; the first reservoir 160 is disposed in front of the right side of the end cap 180 by a retainer 162 that acts as a spoof stand; the second reservoir 170 is disposed inside the mounting groove 182 at the rear side of the top of the end cap 180; a support plate 181 extending in the first direction is provided above the left side of the end cap 180.
The first reservoir 160 has a first electrical contact surface 161 facing upwards, the first electrical contact surface 161 being located on top of the holder 162; the second reservoir 170 includes an upwardly facing second electrical contact surface 171, the second electrical contact surface 171 being located on top of the support plate 181, and the second electrical contact surface 171 being electrically connected to the second reservoir 170. The first electric contact surface 161 is located between the driving part 150 and the second electric contact surface 171 in the front-rear direction, and the first electric contact surface 161 is spaced apart from the second electric contact surface 171, preventing the first electric contact surface 161 and the second electric contact surface 171 from interfering with each other after the developing cartridge 100 is mounted to the electrophotographic image forming apparatus 10.
In other implementations, the left side of the drum cartridge 50 is provided with a drum reservoir 60 by a drum holding portion 61; as shown in fig. 9, in this case, after the developing cartridge 100 is mounted to the drum cartridge 50, the supporting plate 181 covers the top of the drum reservoir 60 so that the second reservoir 170 of the developing cartridge 100 can establish an electrical connection with the electrophotographic image forming apparatus 10 instead of the drum reservoir 60 of the drum cartridge 50, improving the reliability of the developing cartridge 100.
3. Attachment of developing cartridge 100 to electrophotographic image forming apparatus 10
As shown in fig. 10, before the image forming operation of the electrophotographic image forming apparatus 10, the user needs to install the drum cartridge 50 along with the developing cartridge 100 having the first electric contact surface 161 and the second electric contact surface 171 along the guide frame 20 toward the inside of the main body frame 11; the drum cartridge 50 is mounted to the inside of the electrophotographic image forming apparatus 10 in communication with the developing cartridge 100 under the guide of the guide frame 20, and is brought into contact with the first electric contact surface 161 and the second electric contact surface 22, respectively, so that the first reservoir 160 and the second reservoir 170 of the developing cartridge 100 are electrically connected to the main body substrate through the first electric contact surface 21 and the second electric contact surface 22, respectively, for the electrophotographic image forming apparatus 10 to read and store information of the first reservoir 160 and the second reservoir 170, thereby completing the image forming operation.
Embodiment two:
next, a second embodiment of the present utility model will be described in detail with reference to fig. 11, and the second embodiment provides a developing cartridge, and for the developing cartridge of the present embodiment, the same points as those of the first embodiment described above, the present embodiment will not be described in detail, and the difference is that the arrangement of the storage device of the present embodiment and the first embodiment have different structures.
Specifically, in the present embodiment, the developing cartridge 100 is not provided with two different reservoirs anymore, but the functions of the two reservoirs in the first embodiment are concentrated in one reservoir 200, the reservoir 200 is mounted on the left side of the developing cartridge 100 by the end cap 300, the end cap 300 extends in the left-right direction toward the side away from the housing 110 by the first support plate 301 and the second support plate 302, and the first support plate 301 is closer to the developing roller 120 than the second support plate 302 in the second direction.
The reservoir 200 has a first electrical contact surface 211 and a second electrical contact surface 221, the first electrical contact surface 211 and the second electrical contact surface 221 conveniently extending above the first support plate 301 and the second support plate 302;
further, the reservoir 200 comprises a first reservoir 210 and a second reservoir 220 having two different first and second electrical contact surfaces 211 and 221 electrically connected to the first and second reservoirs 210 and 220, respectively; the first storage unit 210 stores information such as ID information of the developing cartridge 100, capacity information of the developer, service life information, and abnormality in use, and the second storage unit 220 stores information on the model of the drum cartridge 50 and information on the use of the drum cartridge 50 in cooperation with the developing cartridge 100.
Embodiment III:
next, a third embodiment of the present utility model will be described in detail with reference to fig. 12 to 13, and the third embodiment provides a developing cartridge, and for the developing cartridge of the present embodiment, which is the same as the developing cartridge of the second embodiment and the first embodiment, the present embodiment will not be described in detail, and the difference is that the arrangement of the reservoir of the present embodiment and the second embodiment have different structures.
As shown in fig. 10, the second electrical contact surface 221 includes a connection portion 222 penetrating through the bottom and top of the second support plate 302, the second electrical contact surface 221 having an upper connection surface 223 at the top of the second support plate 302, and the second electrical contact surface 221 having a lower connection surface 224 at the top of the second support plate 302.
As shown in fig. 11, in the state where the developing cartridge 100 is engaged with the drum cartridge 50, the second support plate 302 is mounted above the drum reservoir 60 with the lower connecting surface 224 in contact with and connected to the drum electrical contact surface 62 of the drum reservoir 60 in the drum cartridge 50; when the developing cartridge 100 is connected to the electrophotographic image forming apparatus 10 together with the drum cartridge 50, the drum reservoir 60 may be electrically connected to the electrophotographic image forming apparatus 10 through the second electrical contact surface 221, in such a manner that the electrophotographic image forming apparatus 10 is connected to the reservoir 200 and the drum reservoir 60 through the developing cartridge 100, respectively, thereby improving the stability of the communication link.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (6)
1. A developing cartridge detachably mountable to a drum cartridge, said developing cartridge comprising:
a housing for accommodating a developer, the housing including a first end and a second end in a first direction, the housing including a third end and a fourth end in a second direction;
a developing roller located at the third end of the housing, the developing roller being rotatable about a developing roller axis extending in a first direction;
a memory for storing information of the developing cartridge and the drum cartridge;
wherein the developing cartridge further comprises:
two electrical contact surfaces, both located at the first end of the housing, the two electrical contact surfaces being spaced apart in a second direction; both of the electrical contact surfaces are electrically connected to the reservoir.
2. A developing cartridge according to claim 1, wherein both of said electrical contact surfaces are located above said drum cartridge in the third direction in a state in which said developing cartridge is mounted to said drum cartridge.
3. A developing cartridge according to claim 1, wherein said reservoirs are provided in two, one of said reservoirs having information of the developing cartridge and the other of said reservoirs having information of the drum cartridge.
4. A developing cartridge according to claim 1, wherein said reservoir includes two storage portions, one of which has information of said developing cartridge and the other of which has information of said drum cartridge.
5. The developing cartridge according to claim 1, further comprising a driving portion for receiving a driving force to drive the developing roller to rotate, and an end cap for covering the driving portion.
6. The developing cartridge according to claim 5, wherein the end cap is provided to the first end portion of the housing, and a supporting portion for supporting the electrical contact surface extends from a side of the end cap away from the housing in the first direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320837277.4U CN219872125U (en) | 2023-04-15 | 2023-04-15 | Developing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320837277.4U CN219872125U (en) | 2023-04-15 | 2023-04-15 | Developing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219872125U true CN219872125U (en) | 2023-10-20 |
Family
ID=88332746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320837277.4U Active CN219872125U (en) | 2023-04-15 | 2023-04-15 | Developing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219872125U (en) |
-
2023
- 2023-04-15 CN CN202320837277.4U patent/CN219872125U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |