CN108227449B - Processing box and imaging equipment thereof - Google Patents
Processing box and imaging equipment thereof Download PDFInfo
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- CN108227449B CN108227449B CN201810110401.0A CN201810110401A CN108227449B CN 108227449 B CN108227449 B CN 108227449B CN 201810110401 A CN201810110401 A CN 201810110401A CN 108227449 B CN108227449 B CN 108227449B
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- developing roller
- receiving unit
- process cartridge
- driving
- photosensitive drum
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
- G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
- G03G21/1839—Means for handling the process cartridge in the apparatus body
- G03G21/1857—Means for handling the process cartridge in the apparatus body for transmitting mechanical drive power to the process cartridge, drive mechanisms, gears, couplings, braking mechanisms
- G03G21/186—Axial couplings
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- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrophotography Configuration And Component (AREA)
Abstract
The invention provides a process cartridge, which is arranged in imaging equipment and respectively receives driving force of a first driving head and a second driving head, and comprises a first bracket body, a second bracket body, a photosensitive drum arranged on the first bracket body, a developing roller arranged on the second bracket body, a powder bin transmission assembly and a pressing mechanism, wherein one end of the photosensitive drum is provided with a first power receiving unit for driving the photosensitive drum to rotate by the first driving head when the process cartridge is arranged on the imaging equipment; a second power receiving unit for receiving the driving rotation force of the second driving head is arranged on the first bracket body on the same side of the first power receiving unit; when the developing roller is in a working state, after external force acting on the second bracket body is removed, the elastic part is elastically opened and pushes the developing roller on the second bracket body to be in self-adaptive contact with the photosensitive drum on the first bracket body by taking the rotating pivot as the center; the invention also provides an imaging device adopting the processing box.
Description
[ Field of technology ]
The present invention relates to a transmission technology in an image forming apparatus, and more particularly, to a process cartridge and an image forming apparatus thereof.
[ Background Art ]
Heretofore, in a known process cartridge system, a photosensitive drum in an image forming apparatus and a process device acting on the photosensitive drum are integrally incorporated into a cartridge in an electrophotographic image forming apparatus utilizing an electrophotographic image forming method, and in operation, light corresponding to image information, such as laser light, LED or lamp, is projected onto the photosensitive drum in the electrophotographic image forming apparatus, thereby forming an electrostatic latent image on the photosensitive drum, which is developed by a developing apparatus, and a developed image formed on the photosensitive drum is transferred onto a recording material, thereby forming an image on the recording material. And the cartridge is detachably mountable to an image forming apparatus body, such as an electrophotographic image forming apparatus of a laser printer, a copying machine, a facsimile machine, etc., a process cartridge is generally provided which is detachable from the electrophotographic image forming apparatus so that a user can maintain the devices in the process cartridge system, contributing to improvement of operability.
In this type of process cartridge, in which a cartridge body is detachably mounted to a main assembly of an electrophotographic image forming apparatus, a maintenance operation of the apparatus can be performed without depending on service personnel, and thus, convenience of operation is remarkable, this type of process cartridge is widely used in electrophotographic image forming apparatuses.
In particular, foreign patent JP2001-255806A discloses a tandem type color electrophotographic image forming apparatus in which a plurality of process cartridges are placed in a single column in order. The process cartridge in the image forming apparatus has a drum unit including a photosensitive drum, and a developing unit including a developing roller, the drum unit and the developing unit being rotatably connected with respect to each other by a pin. Further, a cartridge coupler is provided at an axial end portion of the photosensitive drum, and cooperates with a main assembly power coupler providing transmission in a main assembly of the image forming apparatus when the process cartridge is mounted in the main assembly of the image forming apparatus, so as to transmit driving force; and transmitting the driving force from the input gear of the developing driving force transmitting member on the developing unit pin to the developing roller through the two idler gears. When the process cartridge is mounted into the main assembly of the image forming apparatus, the input gear is engaged with a gear provided in the main assembly of the image forming apparatus, and the driving force is received by this engagement. The device is characterized in that the drive transmission from the main component of the imaging device to the photosensitive drum and to the developing roller adopts two independent input powers to independently drive the photosensitive drum and the developing roller arranged on the two components respectively, the structure is complex, the error in the power transmission process is large, the transmission force during transmission needs to control the transmission rhythm of the photosensitive drum and the developing roller in a multi-stage transmission and control mode, the driving is unstable, and the multi-stage transmission tends to lead to the improvement of the transmission power of a motor of the machine and the reduction of the transmission efficiency.
In addition, the processing box and the image forming device disclosed in foreign patent US9581958, one end of the processing box is provided with two independent power input components, the power coupling of the cross chute is adopted in the processing box structure of the type, and the structure has certain requirements on the distributed internal space inside the image forming device and needs larger axial abdication space.
[ Invention ]
In order to solve the problems, the invention provides the processing box and the imaging equipment thereof, which meet the requirement of a narrow space at the end part of the box body, are simple and convenient to install and stable in transmission.
In order to achieve the above purpose, the invention adopts the following technical scheme:
A process cartridge mounted in an image forming apparatus to receive driving forces of rotation of a first driving head and a second driving head, respectively, the process cartridge comprising:
A first bracket body;
A photosensitive drum mounted on a first rotation shaft of the first frame body, one end of the first rotation shaft corresponding to the photosensitive drum being provided with a first power receiving unit for receiving a driving rotation force from a first driving head in the image forming apparatus and for driving the photosensitive drum to rotate when the process cartridge is mounted on the image forming apparatus, the other end of the first rotation shaft corresponding to the photosensitive drum being provided with a grounding unit for facilitating discharge of the photosensitive drum;
the second bracket body is in butt joint with the first bracket body and can be rotationally connected with the first bracket body;
The pressing mechanism comprises an elastic piece and a rotating fulcrum which is driven by the elastic piece to rotate relative to the first bracket body by self-tension;
a second power receiving unit mounted on a second rotation shaft of the first carriage body and disposed on the same side as the first power receiving unit for receiving a driving rotation force from a second driving head in the image forming apparatus;
A developing roller mounted on a third rotary shaft of the second frame body, one end of the third rotary shaft corresponding to the developing roller being provided with a power transmitting portion for receiving a transmission rotary force from the second power receiving unit on the first frame body and for driving the developing roller to rotate when the process cartridge is mounted on the image forming apparatus, a deflection angle of the power transmitting portion being connected between the second power receiving unit on the first frame body and the third rotary shaft of the second frame body;
The powder bin transmission assembly is arranged at the other end of the third rotating shaft corresponding to the developing roller on the second bracket body and receives the end driving force of the other end of the developing roller;
In a non-working state, external force acts on the second bracket body, the compression elastic piece takes a rotation pivot as a center pushes the developing roller on the second bracket body to be separated from the surface of the photosensitive drum on the first bracket body, and the power transmission part connected between the third rotating shaft on the second bracket body and the second power receiving unit on the first bracket body is controlled to deflect at a first angle relative to the axial direction of the third rotating shaft, and the developing roller and the photosensitive drum and the power transmission part are positioned in a first relation position;
When the device is in a working state, after the external force acting on the second support body is removed, the elastic piece is elastically opened and takes the rotating fulcrum as the center, the developing roller on the second support body is pushed to be in self-adaptive contact with the photosensitive drum on the first support body, and the power transmission part connected between the third rotating shaft on the second support body and the second power receiving unit on the first support body is controlled to deflect by a certain angle relative to the axial direction of the third rotating shaft, in the working process, the developing roller is in elastic self-adaptive rotating contact with the photosensitive drum, and the developing roller and the photosensitive drum are in a second relation position in which the developing roller and the photosensitive drum are in elastic contact with each other and the power transmission part and the third rotating shaft are in rotation in a second angle state.
Further, the power transmission part is a spherical hinge type universal coupling or a cross axle type universal coupling, one end of the spherical hinge type universal coupling or the cross axle type universal coupling is fixed on the output shaft of the second power receiving unit, and the other end of the spherical hinge type universal coupling or the cross axle type universal coupling is fixed on the end part of the third rotating shaft corresponding to the developing roller.
Further, the power transmission part is a cross-shaft type telescopic universal coupling, one end of the cross-shaft type telescopic universal coupling is fixed on the output shaft of the second power receiving unit, and the other end of the cross-shaft type telescopic universal coupling is fixed on the end part of the third rotating shaft corresponding to the developing roller.
Further, an included angle of 90 degrees to 180 degrees is formed between the axial center line of the ball-and-socket universal coupling or the cross-shaft universal coupling and the center line of the output shaft of the second power receiving unit in the first relation position.
Further, a sliding groove which is convenient for the second power receiving unit to guide and slide in the process of converting the first relation position to the second relation position is also arranged on the first bracket body.
Further, the hopper transmission assembly includes a developing roller gear assembly coaxial with the third rotation shaft corresponding to the developing drum and receiving a rotation driving force of the third rotation shaft itself at the second relationship position.
Further, the developing roller gear assembly is a two-layer stepped superimposed bevel gear set.
Further, the powder bin transmission assembly further comprises a powder feeding roller gear which receives driving force from the developing roller gear assembly and is coaxial with the powder feeding roller, and the powder feeding roller gear drives the coaxial powder feeding roller to synchronously rotate.
Further, the powder feeding roller gear is a bevel gear meshed with the developing roller gear assembly.
Further, the powder hopper transmission assembly further includes a stirring gear set for receiving a driving force from the developing roller gear assembly and for driving the stirring member to stir the developer.
Further, the stirring gear set includes an intermediate transition gear that receives a driving force from the developing roller gear assembly, and a stirring gear for driving the stirring member to stir the developer.
Further, the intermediate transition gear and the stirring gear are both helical gears.
Further, the elastic member is a self-expanding spring.
Further, a power receiving unit is arranged on the other end of the second bracket body, which is opposite to the powder bin transmission assembly, and is positioned on the second bracket body.
An image forming apparatus includes a plurality of process cartridges, the plurality of process cartridges being stacked in layers and disposed in the image forming apparatus, and each of the process cartridges being detachably mountable in the image forming apparatus, each of the process cartridges employing one of the process cartridges described above.
The beneficial effects of the invention are as follows:
The invention is applied to the imaging equipment, as the first power receiving unit and the second power receiving unit are arranged on the first bracket body, compared with the prior art that the first power receiving unit and the second power receiving unit are respectively arranged on the two elastic connecting bracket bodies, the meshing between the first driving head and the first power receiving unit and the meshing between the second driving head and the second power receiving unit in the imaging equipment are more reliable and the transmission is more stable.
In addition, the power transmission part arranged between the third rotating shaft corresponding to the developing roller and the second power receiving unit is a spherical hinge type universal coupling or a cross axle type universal coupling, and the central axis inclination angle of the spherical hinge type universal coupling or the cross axle type universal coupling can be adaptively adjusted in the process of converting the first relation position and the second relation position according to the inclination state of the second bracket body, so that the second power receiving unit and the third rotating shaft on the second bracket body are always in a linkage state, and the effective and reliable transmission is ensured; and especially, when the power transmission part and the third rotating shaft are in a smaller angle or in a coaxial state, the power transmission part and the third rotating shaft are promoted to rotate, the phenomenon that the developing roller moves in the rotating process is avoided, and the developing effect is improved.
[ Description of the drawings ]
FIG. 1 is a schematic view showing a structure of a process cartridge in a non-operating state according to a first embodiment of the present invention;
Fig. 2 is a schematic view of a process cartridge in an operating state according to the first embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a process cartridge according to a first embodiment of the present invention;
FIG. 4 is a schematic view showing a structure of a process cartridge in a first relationship position according to the first embodiment of the present invention;
FIG. 5 is a schematic view showing the structure of a process cartridge in a second relationship position according to the first embodiment of the present invention;
Fig. 6 is an enlarged construction view of a coupling according to a first embodiment of the present invention;
fig. 7 is an enlarged construction view of a coupling according to a first embodiment of the present invention;
FIG. 8 is an enlarged schematic view of the coupling in a first relationship according to the first embodiment of the present invention;
Fig. 9 is a schematic view of a connection state of the coupling when the coupling is shifted from the first relationship position to the second relationship position in the first embodiment of the present invention;
FIG. 10 is a schematic view showing a structure of a process cartridge in a first relationship position according to the second embodiment of the present invention;
FIG. 11 is an enlarged view of the coupling in a first relationship position according to the second embodiment of the present invention;
FIG. 12 is a schematic view showing the structure of a process cartridge in a second relationship position according to the second embodiment of the present invention;
The following describes the embodiments of the present invention in further detail with reference to the drawings.
[ Detailed description ] of the invention
Example 1
A processing box is mainly applied to imaging equipment; as shown in fig. 1 to 9, the process cartridge is mounted in an image forming apparatus to receive driving forces of rotation of a first driving head and a second driving head, respectively, the process cartridge includes a first frame body 1, a photosensitive drum 2, a second frame body 3, and a developing roller 4, the second frame body 3 being abutted against the first frame body 1 and rotatably connected with respect to the first frame body 1; the photosensitive drum 2 is mounted on a first rotation shaft 20 of the first carriage body 1, one end of the first rotation shaft 20 corresponding to the photosensitive drum 2 is provided with a first power receiving unit 5 for receiving a driving rotation force from a first driving head (not shown) in the image forming apparatus, for driving the photosensitive drum to rotate when the process cartridge is mounted on the image forming apparatus, and the other end of the first rotation shaft corresponding to the photosensitive drum 2 is provided with a grounding unit 6 for facilitating discharge of the photosensitive drum 2.
As further shown in fig. 1 to 9, a second power receiving unit 7 for receiving a driving rotational force from a second driving head (not shown) in the image forming apparatus is provided on the second rotation shaft 70 of the first carriage body 1 on the same side as the first power receiving unit 5. The developing roller 4 is mounted on the third rotating shaft 40 of the second bracket body 3, one end of the third rotating shaft 40 corresponding to the developing roller 4 is provided with a power transmission part 8 for receiving the transmission rotating force from the second power receiving unit 7 on the first bracket body 1 and driving the developing roller 4 to rotate when the processing box is mounted on the imaging equipment, and the deflection angle of the power transmission part 8 is connected between the second power receiving unit 7 on the first bracket body 1 and the third rotating shaft 40 of the second bracket body 3; the other end of the third rotating shaft 40 corresponding to the developing roller 4 on the second bracket body 3 is also provided with a powder bin transmission assembly 9 for receiving the end driving force of the other end of the developing roller 4.
In addition, as shown in fig. 1 to 9, a pressing mechanism 10 is further disposed between the first bracket body 1 and the second bracket body 3, where the pressing mechanism 10 includes an elastic member 100 and a rotation pivot 101 that facilitates rotation of the second bracket body 3 relative to the first bracket body 1, the elastic member 100 is a self-expanding spring, and the rotation pivot 101 is a rotation shaft supporting center of the first bracket body 1 hinged to the second bracket body 3 through a pin shaft.
As shown in fig. 4, in the non-operating state, an external force acts on the second frame body 3, the compression elastic member 100 centering around the rotation fulcrum 101 pushes the developing roller 4 on the second frame body 3 to separate from the surface of the photosensitive drum 2 on the first frame body 1, and the power transmission portion 8 connected between the third rotation shaft 40 on the second frame body 3 and the second power receiving unit 7 on the first frame body 1 is controlled to deflect by a first angle with respect to the axial direction of the third rotation shaft 40, and at this time, the first driving head and the first power receiving unit 5, the second driving head and the second power receiving unit 7 are respectively in an elastic contact state under non-power transmission, and the developing roller 4 and the photosensitive drum 2, and the power transmission portion 8 are in a first relationship position.
As shown in fig. 5, in the working state, after the external force acting on the second support body 3 is removed, the elastic member 100 is elastically stretched and pushes the developing roller 4 on the second support body 3 to be in self-adaptive contact with the photosensitive drum 2 on the first support body 1 by taking the rotation supporting point 101 as the center, and controls the power transmission part 8 connected between the third rotating shaft 40 on the second support body 3 and the second power receiving unit 7 on the first support body 1 to deflect by a certain angle relative to the axial direction of the third rotating shaft 40, in the working process, the developing roller 4 is elastically and self-adaptively in rotary contact with the photosensitive drum 2, at this time, the first driving head and the first power receiving unit 5, the second driving head and the second power receiving unit 7 are respectively in an engaged state under the power transmission, the developing roller 4 and the photosensitive drum 2 are in self-adaptive contact state, and the power transmission part 8 and the third rotating shaft 40 are in a second relation position under a second angle state, wherein the second angle state is a second angle state that the central axis of the power transmission part 8 is in an axial direction of the third rotating shaft 40 is in a certain angle relative to the axial direction of the third rotating shaft 40, and the axial direction of course, the further angle is 0 degree to the smaller than the axial direction of the central axis of the third rotating shaft 40 is, and the axial direction of the developing effect is better can be avoided, and the axial movement effect is better when the axial movement of the developing effect is avoided, and the axial movement is better relative to the developing effect is compared.
As shown in fig. 3 to 9, the power transmission portion 8 is a cross-type telescopic universal coupling having one end fixed to the output shaft of the second power receiving unit 7 and the other end fixed to the end of the third rotation shaft 40 corresponding to the developing roller 4. Wherein, the axial center line of the cross shaft type telescopic universal coupling forms an included angle of 90 degrees to 180 degrees with the center line of the output shaft of the second power receiving unit 7 when in the first relation position. The first bracket body 1 is further provided with a slide groove (not shown) for guiding and sliding the second power receiving unit 7 during the process of converting the first relationship position to the second relationship position of the second power receiving unit 7.
As further shown in fig. 3 to 9, the hopper drive assembly 9 includes a developing roller gear assembly 90 which is coaxial with the third rotary shaft 40 corresponding to the developing drum 4 and which receives the rotational driving force of the third rotary shaft 40 itself at the second relationship position, the developing roller gear assembly 90 being a two-layered stepwise superimposed bevel gear set. The powder bin transmission assembly 9 further comprises a powder feeding roller gear 91 which receives the driving force from the developing roller gear assembly 90 and is coaxial with the powder feeding roller 11, wherein the powder feeding roller gear 91 is a bevel gear meshed with the developing roller gear assembly 90, and the powder feeding roller gear 91 drives the coaxial powder feeding roller 11 to synchronously rotate.
As further shown in fig. 3 to 9, the hopper drive assembly 9 further includes a stirring gear set 92 for driving the stirring member 12 to stir the developer, which stirring gear set 92 receives the intermediate transition gear 920 from the driving force of the developing roller gear assembly 90, and a stirring gear 921 for driving the stirring member to stir the developer, and both the intermediate transition gear 920 and the stirring gear 921 are helical gears.
In this embodiment, the first power receiving unit 5 and the second power receiving unit 7 are both disposed on the first bracket body 1, so that the engagement between the first driving head and the first power receiving unit 5, and the engagement between the second driving head and the second power receiving unit 7 in the imaging device are more reliable and the transmission is more stable. In addition, the power transmission part 8 arranged between the third rotating shaft 40 corresponding to the developing roller 4 and the second power receiving unit 7 is a cross-shaft type telescopic universal coupling, and in the process of converting the first relation position and the second relation position, the central axis inclination angle of the coupling can be adaptively adjusted corresponding to the inclination state of the second bracket body 3, and the distance between the second power receiving unit 7 and the end part of the third rotating shaft 40 can be automatically adjusted along with the movement of the third rotating shaft 40 corresponding to the developing roller 4, so that the second power receiving unit 7 and the third rotating shaft 40 on the second bracket body 3 are always in a linkage state, and the effective and reliable transmission is ensured.
Example two
As shown in fig. 10 to 12, this embodiment is different from the first embodiment in that the power transmission portion 8 is a spherical hinge type universal joint, one end of which is fixed to the output shaft of the second power receiving unit 7, and the other end of which is fixed to the end portion of the third rotation shaft 40 corresponding to the developing roller 4, and other structures are identical to those of the embodiment.
The above embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, but all equivalent changes according to the shape, construction and principle of the present invention are intended to be included in the scope of the present invention.
Claims (15)
1. A process cartridge mounted in an image forming apparatus to receive driving forces of rotation of a first driving head and a second driving head, respectively, characterized in that:
The process cartridge includes:
A first bracket body;
A photosensitive drum mounted on a first rotation shaft of the first frame body, one end of the first rotation shaft corresponding to the photosensitive drum being provided with a first power receiving unit for receiving a driving rotation force from a first driving head in the image forming apparatus and for driving the photosensitive drum to rotate when the process cartridge is mounted on the image forming apparatus, the other end of the first rotation shaft corresponding to the photosensitive drum being provided with a grounding unit for facilitating discharge of the photosensitive drum;
the second bracket body is in butt joint with the first bracket body and can be rotationally connected with the first bracket body;
The pressing mechanism comprises an elastic piece and a rotating fulcrum which is driven by the elastic piece to rotate relative to the first bracket body by self-tension;
a second power receiving unit mounted on a second rotation shaft of the first carriage body and disposed on the same side as the first power receiving unit for receiving a driving rotation force from a second driving head in the image forming apparatus;
A developing roller mounted on a third rotation shaft of the second frame body, one end of the third rotation shaft corresponding to the developing roller being provided with a power transmitting portion for receiving a transmission rotation force from the second power receiving unit on the first frame body, for driving the developing roller to rotate when the process cartridge is mounted on the image forming apparatus, the power transmitting portion being connected between the second power receiving unit on the first frame body and the third rotation shaft of the second frame body in a follow-up manner at an angle of deflection with respect to an axial direction of the third rotation shaft;
The powder bin transmission assembly is arranged at the other end of the third rotating shaft corresponding to the developing roller on the second bracket body and receives the end driving force of the other end of the developing roller;
In a non-working state, external force acts on the second bracket body, the compression elastic piece takes a rotation pivot as a center pushes the developing roller on the second bracket body to be separated from the surface of the photosensitive drum on the first bracket body, and the power transmission part connected between the third rotating shaft on the second bracket body and the second power receiving unit on the first bracket body is controlled to deflect at a first angle relative to the axial direction of the third rotating shaft, and the developing roller and the photosensitive drum and the power transmission part are positioned in a first relation position;
When the device is in a working state, after the external force acting on the second support body is removed, the elastic piece is elastically opened and takes the rotating fulcrum as the center, the developing roller on the second support body is pushed to be in self-adaptive contact with the photosensitive drum on the first support body, and the power transmission part connected between the third rotating shaft on the second support body and the second power receiving unit on the first support body is controlled to deflect by a certain angle relative to the axial direction of the third rotating shaft, in the working process, the developing roller is in elastic self-adaptive rotating contact with the photosensitive drum, and the developing roller and the photosensitive drum are in a second relation position in which the developing roller and the photosensitive drum are in elastic contact with each other and the power transmission part and the third rotating shaft are in rotation in a second angle state.
2. A process cartridge according to claim 1, wherein said power transmitting portion is a ball-and-socket type universal joint or a cross-shaft type universal joint, one end of which is fixed to an output shaft of the second power receiving unit, and the other end of which is fixed to a third rotation shaft end portion corresponding to the developing roller.
3. A process cartridge according to claim 1, wherein said power transmitting portion is a cross-type telescopic universal coupling having one end fixed to an output shaft of the second power receiving unit and the other end fixed to a corresponding third rotation shaft end of the developing roller.
4. A process cartridge according to claim 2, wherein an axial center line of said ball-and-socket universal joint or said cross-shaft universal joint forms an angle of 90 degrees to 180 degrees with an output shaft center line of the second power receiving unit in the first relationship position.
5. A process cartridge according to claim 1, wherein said first frame body is further provided with a slide groove for guiding sliding of said second power receiving unit during the transition of said second power receiving unit from said first to said second relative positions.
6. A process cartridge according to claim 1, wherein said hopper transmission assembly includes a developing roller gear assembly coaxial with a third rotation shaft corresponding to the developing drum and receiving a rotational driving force of the third rotation shaft itself at the second relationship position.
7. A process cartridge according to claim 6, wherein said developing roller gear assembly is a two-layered stepwise stacked bevel gear set.
8. A process cartridge according to claim 6, wherein said hopper drive assembly further comprises a powder feed roller gear which receives a driving force from the developing roller gear assembly and is coaxial with the powder feed roller, said powder feed roller gear driving the coaxial powder feed roller to rotate synchronously.
9. A process cartridge according to claim 8, wherein said toner feed roller gear is a helical gear engaged with the developing roller gear assembly.
10. A process cartridge according to claim 6, wherein said hopper drive assembly further comprises a stirring gear set for receiving a driving force from the developing roller gear assembly and for driving the stirring member to stir the developer.
11. A process cartridge according to claim 10, wherein said stirring gear set includes an intermediate transition gear receiving a driving force from the developing roller gear assembly, and a stirring gear for driving the stirring member to stir the developer.
12. A process cartridge according to claim 11, wherein said intermediate transition gear and said stirring gear are both helical gears.
13. A process cartridge according to claim 1, wherein said elastic member is a self-expanding spring.
14. A process cartridge according to claim 1, wherein said second frame body is further provided with a power receiving unit at the other end of the second frame body opposite to said powder hopper transmission assembly.
15. An image forming apparatus comprising a plurality of process cartridges, the plurality of process cartridges being layered and stacked in the image forming apparatus, and each of the process cartridges being individually detachably mountable in the image forming apparatus, each of the process cartridges being one of the process cartridges as set forth in any one of claims 1 to 14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810110401.0A CN108227449B (en) | 2018-02-01 | 2018-02-01 | Processing box and imaging equipment thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810110401.0A CN108227449B (en) | 2018-02-01 | 2018-02-01 | Processing box and imaging equipment thereof |
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| Publication Number | Publication Date |
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| CN108227449A CN108227449A (en) | 2018-06-29 |
| CN108227449B true CN108227449B (en) | 2024-08-20 |
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| CN201810110401.0A Active CN108227449B (en) | 2018-02-01 | 2018-02-01 | Processing box and imaging equipment thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208126108U (en) * | 2018-02-01 | 2018-11-20 | 珠海联合天润打印耗材有限公司 | A kind of handle box and its imaging device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3413173B2 (en) * | 2000-01-05 | 2003-06-03 | キヤノン株式会社 | Process cartridge and electrophotographic image forming apparatus |
| JP3937802B2 (en) * | 2001-10-30 | 2007-06-27 | キヤノン株式会社 | Process cartridge |
| CN201417365Y (en) * | 2009-03-30 | 2010-03-03 | 珠海赛纳科技有限公司 | Developing box used for electronic imaging device |
| CN102169316B (en) * | 2011-05-06 | 2012-10-17 | 珠海天威飞马打印耗材有限公司 | Processing box |
| CN102425643A (en) * | 2011-12-30 | 2012-04-25 | 珠海天威飞马打印耗材有限公司 | Gear transmission mechanism and developing box |
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2018
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208126108U (en) * | 2018-02-01 | 2018-11-20 | 珠海联合天润打印耗材有限公司 | A kind of handle box and its imaging device |
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