CN217443738U - Processing box - Google Patents
Processing box Download PDFInfo
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- CN217443738U CN217443738U CN202220660850.4U CN202220660850U CN217443738U CN 217443738 U CN217443738 U CN 217443738U CN 202220660850 U CN202220660850 U CN 202220660850U CN 217443738 U CN217443738 U CN 217443738U
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- photosensitive drum
- box
- developing
- elastic
- photosensitive
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Abstract
The processing box is detachably mounted on the electronic imaging equipment and comprises a photosensitive drum box, a developing box and a separating component, wherein the photosensitive drum box and the developing box are movably connected, the separating component is mounted in the photosensitive drum box, the developing box comprises a developing shell capable of accommodating a developing agent and a developing roller rotatably mounted on the developing shell, the photosensitive drum box comprises a photosensitive shell capable of accommodating residual developing agent and a photosensitive drum rotatably mounted on the photosensitive shell, and the separating component comprises an elastic part mounted on the photosensitive drum box and a stressed part combined with the elastic part; under the state of handling box installation to electronic imaging equipment, when handling the box during operation, developer roll and sensitization drum contact, when handling the box out of work, the atress piece is used for receiving the effort that outside application of force spare was applyed, and elastic deformation takes place for the elastic component, makes developer roll and sensitization drum separation, the utility model discloses a regard the elastic component as the separator, even fall the production collision on the way or carelessly in the transportation, thereby the elastic component takes place the power that elastic deformation offset part collision produced, avoids the separator rupture, reduces the loss.
Description
Technical Field
The utility model relates to an electronic imaging equipment field especially relates to a detachably installs processing box in electronic imaging equipment.
Background
A process cartridge is a necessity detachably mountable to an electronic image forming apparatus (hereinafter referred to as "apparatus") and includes a movably coupled developing cartridge including a developing casing accommodating a developer and a developing roller rotatably mounted on the developing casing, a photosensitive drum cartridge including a photosensitive casing accommodating a residual developer and a photosensitive drum rotatably mounted on the photosensitive casing, and a separating member mounted therein.
When the process cartridge is operated, the developing roller comes into contact with the photosensitive drum and conveys the developer to the photosensitive drum to develop the electrostatic latent image on the surface of the photosensitive drum.
When the processing box does not work, the developing roller and the photosensitive drum are separated by the separating piece, so that the surface deformation of the developing roller or the surface pollution of the photosensitive drum caused by the long-time contact of the developing roller and the photosensitive drum is avoided, and the printing quality is influenced or the service life is shortened.
SUMMERY OF THE UTILITY MODEL
In the prior art, a separating piece installed in a processing box is made of materials such as plastics, and the separating piece can be broken due to rigid collision in the transportation process or careless falling to generate collision, so that loss is caused, and the cost is increased.
The utility model provides a processing box to the separation piece of solving processing box falls the technical problem who produces the rigidity collision and break in transit or carelessly, and concrete scheme is:
the processing box is detachably mounted on the electronic imaging equipment and comprises a photosensitive drum box, a developing box and a separating component, wherein the photosensitive drum box and the developing box are movably connected, the separating component is mounted in the photosensitive drum box, the developing box comprises a developing shell capable of containing a developing agent and a developing roller rotatably mounted on the developing shell, the photosensitive drum box comprises a photosensitive shell capable of containing residual developing agent and a photosensitive drum rotatably mounted on the photosensitive shell,
the separation assembly comprises an elastic piece arranged on the photosensitive drum box and a stressed piece combined with the elastic piece;
under the state of processing box installation to electronic imaging equipment, when processing box during operation, the developer roll contacts with the sensitization drum, when processing box during operation, the atress piece is used for receiving the effort that outside application of force spare was applyed, elastic deformation takes place for the elastic component, makes developer roll and sensitization drum separation.
The tail end of the photosensitive drum is provided with a photosensitive drum shaft, and the elastic piece is directly or indirectly sleeved on the outer circumference of the photosensitive drum shaft.
The elastic component comprises a main body and a first end and a second end which are connected with the main body, when the elastic component is directly sleeved, the main body is sleeved on the outer circumference of the photosensitive drum shaft, the first end is combined with the stress component, and the second end is abutted to the photosensitive drum box.
The processing box further comprises a wear-resistant part arranged in the processing box, the elastic part comprises a main body and a first end and a second end which are connected with the main body, when the elastic part is indirectly sleeved, the photosensitive drum shaft is arranged in the wear-resistant part, the main body is sleeved on the wear-resistant part, the first end is combined with the stress part, and the second end is abutted to the photosensitive drum box.
The stress piece comprises an inner concave hole and a stress part located on the edge of the stress piece, the inner concave hole is combined with the first end of the elastic piece, and the stress part is abutted to the external force application piece.
The force receiving portion includes a contact surface that abuts against an external force application member.
The elastic member has a torsion spring structure.
The elastic member is formed by winding a thin metal wire.
The elastic member is formed by winding a thin metal sheet.
To sum up, the utility model discloses an elastic component even the transportation is on the way or fall carelessly and produce the collision as the separator, thereby the elastic component takes place elastic deformation and offsets the power that the part collision produced, avoids the separator rupture, reduces the loss.
Drawings
Fig. 1 and 2 are perspective views of a process cartridge according to the present invention.
Fig. 3 is a partially exploded view of the process cartridge according to the present invention.
Fig. 4 is a schematic view of a wear part according to the present invention.
Fig. 5A is a schematic view of a separation assembly according to the present invention.
Fig. 5B is a schematic view of a force receiving member according to the present invention.
Fig. 6A is a schematic view of the process cartridge according to the present invention before separation of the developing roller and the photosensitive drum when viewed from right to left after the process cartridge has hidden a part of the components.
Fig. 6B is a schematic view of the process cartridge according to the present invention after the developing roller and the photosensitive drum are separated from each other when viewed from right to left with the part of the parts hidden.
Detailed Description
Fig. 1 and 2 are perspective views of a process cartridge according to the present invention, and fig. 3 is an exploded view of a part of the process cartridge according to the present invention.
For convenience of description, the longitudinal direction of the process cartridge 100 is the left-right direction, the width direction of the process cartridge 100 is the front-rear direction, the height direction of the process cartridge 100 is the up-down direction, and the process cartridge 100 is mounted downward and dismounted upward, with respect to the state in which the process cartridge 100 is mounted.
As shown in fig. 1, 2, and 3, the process cartridge 100 includes a movably coupled photosensitive drum cartridge 1, a developing cartridge 2, and a separating assembly 3 mounted at an end of the process cartridge 100, the developing cartridge 2 includes a developing housing 20 and a developing roller 25 (shown in fig. 3) rotatably mounted on the developing housing 20, the developing housing 20 may be used to store a developer, and the developing roller 25 may contact the photosensitive drum 11 and supply the developer to the photosensitive drum 11; the photosensitive drum cartridge 1 comprises a photosensitive shell 10 and a photosensitive drum 11 rotatably mounted on the photosensitive shell 10, wherein the photosensitive shell 10 can be used for storing residual developer on the surface of the photosensitive drum 11, an electrostatic latent image is formed on the surface of the photosensitive drum 11 and is developed by the developer, the photosensitive drum 11 is provided with a central line C, the tail end of the photosensitive drum 11 is provided with a photosensitive drum shaft 12 combined with the photosensitive drum shaft, the tail end of the photosensitive drum shaft 12 is provided with a driving head 13, and the driving head 13 is used for receiving driving force provided by equipment so that the photosensitive drum shaft 12 and the photosensitive drum 11 can rotate around the central line C; the separation member 4 serves to separate the photosensitive drum 11 from the developing roller 25.
The developing casing 20 is provided with a powder adding hole (not shown) communicating the inside and the outside of the developing casing 20 and a sealing plug 201 capable of cooperating with the powder adding hole, when the remaining amount of the developer is small, the sealing plug 201 is opened so that the developer can be added from the powder adding hole, and then the powder adding hole is sealed by the sealing plug 201, so that the operation is convenient.
The process cartridge 100 further includes a first end cap 101 and a second end cap 102 respectively disposed at the left and right ends, a handle 103 coupled to the photosensitive housing 10, and a chip holder 104 mounted on the second end cap, wherein the first end cap 101 and the second end cap 102 are formed integrally with or separately from the photosensitive housing 10, so as to protect the components at the two ends of the process cartridge 100 and to enable the components to be mounted more stably, the first end cap 101 and the second end cap 102 support the developing cartridge 2 and the photosensitive drum 11, so that the developing cartridge 2 can rotate relative to the photosensitive drum cartridge 1, an escape opening (not shown) is disposed at a position of the first end cap 101 corresponding to the powder adding hole for performing the powder adding operation, a support hole 1021 is disposed on the second end cap 102, and the photosensitive drum 11 can be directly or indirectly supported by the support hole 1021 of the second end cap 102 via the photosensitive drum shaft 12. The handle 103 may be formed integrally with the photosensitive housing 10 for attachment and detachment of the process cartridge 100, and the chip holder 104 may be formed integrally with the second end cap 102 and may be detachably attached to the second end cap 102 for mounting a chip to establish a communication connection between the apparatus and the process cartridge 100.
The processing box 100 further comprises a protecting cover 22 installed on the same side as the second end cover 102, a third end cover 21 and a conductive piece 23 installed on the same side as the first end cover 101, the third end cover 21 is installed on the right end of the developing casing 20, the third end cover 21 and the developing casing 20 can be integrally or separately formed and can be used for supporting the developing roller 25 and the driving gear assembly 24, the driving gear assembly 24 can transmit driving force provided by equipment, and the protecting cover 22 can be used for protecting the driving gear assembly 24. The conductive member 23 is installed at the left end of the developing casing for supplying power to the developing roller 25.
Fig. 4 is a schematic view of a wear-resistant member according to the present invention, fig. 5A is a schematic view of a separating assembly according to the present invention, and fig. 5B is a schematic view of a force-receiving member according to the present invention.
As shown in fig. 4, 5A, and 5B, the wear-resistant member 3 includes a cylinder 31 and a fitting hole 32 disposed inside the cylinder 31, the cylinder 31 is used for fitting with the supporting hole 1021, the cylinder 31 is provided with a limiting portion 311 for facilitating assembly, and can be clamped with a limited portion (not shown) disposed on the second end cap 102 to prevent the cylinder from being driven by the rotating photosensitive drum shaft 12, and prevent the inner surface of the supporting hole 1021 from being worn by the cylinder 31, and the limiting portion 311 can be one or more; a projection 312 circumferentially extending from one end of the cylinder 31 for abutting against the photosensitive drum 11 so that the photosensitive drum 11 is positioned in the left-right direction, and a recess 3121 provided on the projection 312 for avoiding the driving gear assembly 24 and preventing the wear-resistant member 3 from interfering with the driving gear assembly 24; the fitting hole 32 is used for fitting with the photosensitive drum shaft 12, and the inner surface of the fitting hole 32 is provided with a groove 321, and the groove 321 is arranged in a radial manner, and can accommodate lubricating oil and reduce the friction between the fitting hole 32 and the photosensitive drum shaft 12, and the groove 321 can be arranged in one or more.
When the photosensitive drum shaft 12 is indirectly supported by the supporting hole 1021, the wear-resistant member 3 is firstly installed in the supporting hole 1021, and then the photosensitive drum shaft 12 is installed in the wear-resistant member 3, at this time, the supporting hole 1021 can avoid being worn by the photosensitive drum shaft 12 rotating at a high speed, and at the same time, the wear degree of the photosensitive drum shaft 12 can be reduced, the service life of the photosensitive drum shaft 12 is prolonged, and the replacement frequency of the photosensitive drum shaft 12 or the photosensitive drum 11 is reduced.
The separating assembly 4 includes an elastic member 40 mounted on the drum shaft 12 and a force-receiving member 41 coupled to the elastic member 40, the elastic member 40 can be directly or indirectly mounted on the outer circumference of the drum shaft 12, in this embodiment, when the elastic member 40 is indirectly mounted, the elastic member 40 is firstly sleeved on the cylinder 31 of the wear-resistant member 3, the wear-resistant member 3 is then mounted in the supporting hole 1021, and finally the drum shaft 12 is mounted in the wear-resistant member 3.
The elastic member 40 has a torsion spring structure and can be formed by winding a thin metal wire or a thin metal sheet, the elastic member 40 comprises a main body 401, and a first end 402 and a second end 403 which are connected with the main body 401, the main body 401 is directly or indirectly sleeved on the outer circumference of the photosensitive drum shaft 12, the first end 402 is combined with the force-bearing member 41, and the second end 403 is abutted to the photosensitive drum box 1; when the elastic member 40 is indirectly sleeved on the outer circumference of the photosensitive drum shaft 12 through the wear-resistant member 3, the elastic member does not directly contact with the rotating photosensitive drum shaft 12, even if the photosensitive drum shaft 12 rotates at a high speed, friction is not generated between the photosensitive drum shaft 12 and the main body 401, the abrasion degree of the photosensitive drum shaft 12 can be effectively reduced, the support hole 1021 and the elastic member 40 are protected from being abraded, and meanwhile, the position of the elastic member 40 is not changed.
The force receiving member 41 comprises an inner concave hole 412, a rib 413 arranged in the inner concave hole, and a force receiving portion 411 abutted to a force application member 5 (shown in fig. 6A) in the device, the inner concave hole 412 is used for being installed in cooperation with the first end 402 of the elastic member 40, the rib 413 can enable the first end 402 to be combined with the force receiving member 41 more stably, force transmission is facilitated, the force receiving portion 411 is located at the edge of the force receiving member 41, and comprises a contact surface 4111 abutted to the force application member 5, when the state of the processing box 100 during installation is observed from right to left, the contact surface 4111 is parallel to a plane where the up-down direction is located.
Fig. 6A is a schematic diagram before the separation of the developing roller and the photosensitive drum when observed from right to left after the part is hidden in the processing box, and fig. 6B is a schematic diagram after the separation of the developing roller and the photosensitive drum when observed from right to left after the part is hidden in the processing box.
As shown in fig. 6A and 6B, when the process cartridge 100 is mounted to the apparatus, the photosensitive drum 11 is in contact with the developing roller 25, the urging member 5 does not apply an urging force to the force receiving member 41, and at this time, a printing work can be performed; when the photosensitive drum 11 needs to be separated from the developing roller 25 after printing is finished, the force application member 5 contacts the force receiving member 41 and applies a forward acting force F to the force receiving member 41 along the front-rear direction, the force receiving member 41 drives the protective cover 22 to rotate so as to drive the developing cartridge 2 to enable the developing roller 25 to leave the photosensitive drum 11, and at the moment, the elastic member 40 elastically deforms; when it is necessary to perform the printing operation again, the urging member 5 is moved backward in the front-rear direction, the urging force F is cancelled, the force receiving member 41 is separated from the developing cartridge 2 by the elastic restoring force of the elastic member 40, and the developing cartridge 2 is acted by a tension/compression spring (not shown) provided in the process cartridge 100, so that the developing roller 25 is again brought into contact with the photosensitive drum 11.
The utility model adopts the above technical scheme, through adopting the elastic component as the separator, in transit or when falling the production collision carelessly, can protect the separator not by the rupture, reduce the loss.
Claims (9)
1. The processing box is detachably mounted on the electronic imaging equipment and comprises a photosensitive drum box, a developing box and a separating component, wherein the photosensitive drum box and the developing box are movably connected, the separating component is mounted in the photosensitive drum box, the developing box comprises a developing shell capable of containing a developer and a developing roller rotatably mounted on the developing shell, the photosensitive drum box comprises a photosensitive shell capable of containing residual developer and a photosensitive drum rotatably mounted on the photosensitive shell, and the processing box is characterized in that,
the separation assembly comprises an elastic piece arranged on the photosensitive drum box and a stressed piece combined with the elastic piece;
under the state of processing box installation to electronic imaging equipment, when processing box during operation, the developer roll contacts with the sensitization drum, when processing box during operation, the atress piece is used for receiving the effort that outside application of force spare was applyed, elastic deformation takes place for the elastic component, makes developer roll and sensitization drum separation.
2. A process cartridge according to claim 1, wherein a photosensitive drum shaft is provided at a distal end of said photosensitive drum, and said elastic member is fitted directly or indirectly on an outer circumference of the photosensitive drum shaft.
3. A process cartridge according to claim 2, wherein said elastic member includes a main body and a first end and a second end connected to the main body, and when said elastic member is directly fitted, said main body is fitted over an outer circumference of the photosensitive drum shaft, said first end is coupled to the force receiving member, and said second end abuts against the photosensitive drum cartridge.
4. A process cartridge according to claim 2, further comprising a wear member disposed therein, wherein said elastic member comprises a main body and a first end and a second end connected to the main body, wherein when said elastic member is indirectly fitted, said drum shaft is mounted in the wear member, said main body is fitted over the wear member, said first end is coupled to the force receiving member, and said second end abuts against the drum cartridge.
5. A process cartridge according to any one of claims 1-4, wherein said force receiving member includes a recess for engaging with the first end of the elastic member and a force receiving portion at an edge of the force receiving member, the force receiving portion being abutted against the external force applying member.
6. A process cartridge according to claim 5, wherein said force receiving portion includes a contact surface which abuts against an external urging member.
7. A cartridge according to any one of claims 1-4, wherein said elastic member has a torsion spring structure.
8. The process cartridge as claimed in claim 7, wherein said elastic member is wound from a thin wire.
9. A cartridge according to claim 7, wherein said elastic member is wound from a thin metal sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220660850.4U CN217443738U (en) | 2022-03-24 | 2022-03-24 | Processing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220660850.4U CN217443738U (en) | 2022-03-24 | 2022-03-24 | Processing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217443738U true CN217443738U (en) | 2022-09-16 |
Family
ID=83214578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220660850.4U Active CN217443738U (en) | 2022-03-24 | 2022-03-24 | Processing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217443738U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024109940A1 (en) * | 2022-11-25 | 2024-05-30 | 江西亿铂电子科技有限公司 | Developing cartridge |
| WO2024199509A1 (en) * | 2023-03-31 | 2024-10-03 | 珠海联合天润打印耗材有限公司 | Process cartridge |
-
2022
- 2022-03-24 CN CN202220660850.4U patent/CN217443738U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024109940A1 (en) * | 2022-11-25 | 2024-05-30 | 江西亿铂电子科技有限公司 | Developing cartridge |
| WO2024199509A1 (en) * | 2023-03-31 | 2024-10-03 | 珠海联合天润打印耗材有限公司 | Process cartridge |
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| GR01 | Patent grant | ||
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