CN218383666U - Developing box - Google Patents
Developing box Download PDFInfo
- Publication number
- CN218383666U CN218383666U CN202221904194.4U CN202221904194U CN218383666U CN 218383666 U CN218383666 U CN 218383666U CN 202221904194 U CN202221904194 U CN 202221904194U CN 218383666 U CN218383666 U CN 218383666U
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- developing cartridge
- developing
- conductive
- supporting member
- supporting
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Abstract
The utility model relates to a developing box, detachably installs to handling the frame, it can move between the mounted position and take out the position for image forming device's main part to handle the frame, developing box includes: a housing, the interior of which can contain a developer; a developing roller mounted on the housing, the developing roller rotating around a developing roller axis extending in a left-right direction; the developing cartridge further includes a urging projection extending in the left-right direction and a pressed portion configured to receive an external pressing force urging the urging projection to move from the first position to the second position with respect to the casing before the process frame moves from the take-out position to the mounting position but has not yet reached the mounting position. The handle does not need to be in contact with the image forming device, the structure is simple, the installation is convenient, and the handle does not break, so that the function is more stable and reliable.
Description
Technical Field
The utility model relates to an electronic imaging field especially relates to a developing box.
Background
A tandem type color laser image forming apparatus including a plurality of photosensitive bodies corresponding to yellow, magenta, cyan, and black toners, respectively, and a plurality of developing cartridges corresponding to the plurality of photosensitive bodies, respectively, for supplying toners of a plurality of colors to the photosensitive bodies, respectively, and arranged in parallel along a predetermined direction is known as an electrophotographic system color image forming apparatus. The color image forming apparatus includes a tandem type photosensitive unit detachably mounted to the color image forming apparatus, the tandem type photosensitive unit integrally including the plurality of photosensitive bodies and a housing portion in which the developing cartridge is mounted.
In the prior art, a developing roller is arranged on a developing box, and when the developing box is installed in an electronic imaging device, the developing roller is electrically connected with the electronic imaging device through a developing roller electrode, so that the developing roller is charged after being charged with a certain amount of electric charges and adsorbs carbon powder. The current developing cartridge includes a developing electrode having a main body portion and a projection portion integrally provided for mounting and supporting the developing cartridge, however, the electrode on the developing cartridge of the related art is complicated in structure and unstable in connection with the electrophotographic apparatus.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the utility model discloses a realize through following technical scheme:
a developing cartridge detachably mountable to a process frame movable between a mounting position and a take-out position with respect to a main body of an image forming apparatus, comprising:
a housing, the interior of which can contain a developer;
a developing roller mounted on the housing, the developing roller rotating around a developing roller axis extending in a left-right direction;
a conductive bracket mounted on the housing, the conductive member for transmitting power to the developing roller; the conductive bracket has a developing bearing in which one end of the developing roller is rotatably supported;
characterized in that the developing cartridge further comprises a supporting member which enters at least partially into the guide groove of the process frame, the supporting member being configured as a non-conductive material.
Further, the supporting member includes a supporting portion for supporting the developing cartridge and a fixing portion formed to extend from the supporting portion.
Further, the support portion includes a positioning hole, and the conductive bracket is provided with a positioning protrusion, which receives the positioning protrusion to position the support member when the support member is mounted on the conductive bracket.
Further, the conductive holder may further include a fixing groove into which the fixing portion at least partially enters when the support member is mounted on the conductive holder.
Further, the fixed part includes extension section and fixed section, the extension section is from the periphery of supporting part outwards extends the formation, the fixed section is from the one end of extension section extends the formation in the left and right direction.
Further, the process frame is provided with a guide groove for guiding mounting of the developing cartridge, and the support portion is at least partially entered into the guide groove, and moves along the guide groove during mounting of the developing cartridge to guide mounting of the developing cartridge.
Further, an end of the fixing section is configured to be hook-shaped, the conductive bracket is correspondingly provided with a fixing groove, the fixing section enters the fixing groove when the supporting member is mounted on the conductive bracket, and the end of the fixing section hooks the conductive bracket to limit displacement of the supporting member in the left-right direction.
After the technical scheme is adopted, the supporting part is of a non-conductive structure, namely, the part of the supporting component entering the guide groove is of the non-conductive structure. The supporting member and the conductive support are of a split structure, the supporting member is made of non-conductive materials, the structure of the conductive support is simplified, the strength of the supporting portion of the supporting member can be enhanced, and the supporting member and the conductive support are convenient to detach and replace.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic front view of a developing cartridge according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a conductive end side of a developing cartridge according to an embodiment of the present invention;
fig. 3 is an exploded view of a driving end side of a developing cartridge according to an embodiment of the present invention;
fig. 4 is an exploded view of a conductive terminal side of a developing cartridge according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a supporting member of a developing cartridge according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a part of a processing frame according to an embodiment of the present invention;
fig. 7 is a schematic view of the installation of the developing cartridge in the process frame according to the embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, the direction in which the rotation axis of the developing roller 2 extends is the left-right direction, the developing roller 2 is located at the front end portion of the casing 1 in the front-rear direction, the handle 6 is located at the rear end portion of the casing 1 in the front-rear direction, and the direction intersecting the left-right direction and the front-rear direction is the up-down direction.
The utility model provides a developing box, detachably install in image forming device's processing frame 200, and processing frame 200 can remove between mounted position and the position of taking out for image forming device's main part, and processing frame 200 includes a plurality of receiving grooves, and these a plurality of receiving grooves can receive a plurality of developing boxes, and each receiving groove all is provided with the sensitization drum. As shown in fig. 1, the developing cartridge includes a casing 1 configured to accommodate developer therein; a developing roller 2 rotatable around an axis of the developing roller 2 extending in the left-right direction, the developing roller 2 being located at least partially outside the casing 1, the developing roller 2 being located at a front end portion of the casing 1 in the front-rear direction; a handle 6 for facilitating the user to put and take the developing cartridge, the handle 6 being provided at a rear end portion of the casing 1 in the front-rear direction.
As shown in fig. 3, the developing cartridge further includes a driving end 20 which is transmitted by means of gears to receive a driving force for driving components in the developing cartridge, the driving end 20 is located at a right end of the housing 1 in a left-right direction, and the driving end 20 includes: the powder feeding device comprises a developing roller gear, a powder feeding roller gear, a driving force receiving part, a transmission gear, a stirring frame gear and a counting assembly; the developing roller gear 11 is matched with the developing roller 2 and drives the developing roller 2 to rotate; the powder feeding roller gear 12 is matched with the powder feeding roller and drives the powder feeding roller 3 to rotate; the driving force receiving part 13 is engaged with the developing roller gear 11, the powder feeding roller gear 12 and the transmission gear 14, and can receive the driving force transmitted by the electrophotographic image forming apparatus, so as to drive the developing roller gear 11, the powder feeding roller gear 12 and the transmission gear 14 to rotate; the transmission gear 14 is also meshed with the stirring rack gear 15 and can drive the stirring rack gear 15 to rotate; the stirring rack gear 15 is matched with the stirring rack and drives the stirring rack to rotate around the stirring rack axis; the counting assembly 16 is connected with the stirring frame gear 15, acts along with the rotation of the stirring frame gear 15 and is used for detecting new and old developing boxes; the developing cartridge further includes a protective cover 17, and the protective cover 17 is mountable to the casing 1 and arranged to cover at least a part of the developing roller gear 11, the powder feed roller gear 12, the transfer gear 14, the agitating frame gear 15, and the driving force receiving part 13, and prevent dropping.
As shown in fig. 2, the developing cartridge further includes a conductive terminal 10 that can receive power transmitted from a power unit in the electrophotographic image forming apparatus, the conductive terminal 10 being located at a left end of the casing 1 in the left-right direction, the conductive terminal 10 including the conductive bracket 4. The conductive bracket 4 is connected with the developing roller 2 and the powder feeding roller and transmits the power transmitted by the power component to the developing roller 2 and the powder feeding roller 3, specifically, the conductive bracket 3 is made into a conductive body formed by conductive plastic injection molding, the conductive bracket 4 is provided with a developing roller bearing and a powder feeding roller bearing, one end of the developing roller 2 is installed in the developing roller bearing to receive the power, and one end of the powder feeding roller 3 is installed in the powder feeding roller bearing to receive the power.
As shown in fig. 4 and 5, the developing cartridge further includes a supporting member 5 for cooperating with the process frame 200 to support the developing cartridge when the developing cartridge is mounted in the process frame 200, the supporting member 5 is constructed in a non-conductive structure, and may be specifically, plastic injection molding, the supporting member 5 includes a supporting portion 51 and a fixing portion 52, the supporting portion 51 is a protrusion extending in a left-right direction, the protrusion is constructed in a cylindrical structure, preferably, a partially hollow cylindrical structure, the supporting portion 51 is coaxially disposed with the developing roller 2 so that the supporting portion 51 can stably support the developing cartridge, the supporting portion 51 has a positioning hole 511 formed in a left-right direction, the conductive bracket 4 is provided with a positioning protrusion 41, and when the supporting member 5 is mounted on the conductive bracket 4, the positioning hole 511 receives the positioning protrusion 41 to position the supporting member 5; the fixing portion 52 includes an extension 521 and a fixing portion 522, the extension 521 is formed to extend outward from the outer circumference of the support portion 52, the fixing portion 522 is formed to extend in the left and right direction from one end of the extension 521, in order to prevent the extension 521 from being broken, the extension 521 is provided with a reinforcing rib, the end of the fixing portion 522 is configured as a hook, the conductive bracket 4 is correspondingly provided with a fixing groove 42, when the support member 5 is mounted on the conductive bracket 4, the fixing portion 522 enters the fixing groove 42, and the hook hooks the conductive bracket 4 to limit the movement of the support member 5 in the left and right direction. Wherein the fixing portion is located between the developing roller and the powder feeding roller in the front-rear direction.
As shown in fig. 6 and 7, the developing cartridge is mounted in the process frame 200, the receiving groove of the process frame 200 has opposite side walls in the left-right direction, the side walls are provided with guide grooves 201 for guiding the mounting of the developing cartridge, the supporting portions 51 of the supporting members 5 at least partially enter the guide grooves 201, the supporting members 5 move along the guide grooves 201 to guide the mounting of the developing cartridge during the mounting of the developing cartridge, the bottoms of the guide grooves 201 are provided with supporting walls 202, and the supporting members 5 abut against the supporting walls 202 to support the developing cartridge when the developing cartridge is mounted in the process frame 200. In this embodiment, the support member is a non-conductive structure, that is, the portion of the support member entering the guide groove is a non-conductive structure, the support member and the conductive bracket are of a split structure, and the support member is made of a non-conductive material, so that the structure of the conductive bracket is simplified, the strength of the support portion of the support member can be enhanced, and the support member is convenient to detach and replace.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. A developing cartridge detachably mountable to a process frame movable between a mounting position and a take-out position with respect to a main body of an image forming apparatus, comprising:
a housing, the interior of which can contain a developer;
a developing roller mounted on the housing, the developing roller rotating around a developing roller axis extending in a left-right direction;
a conductive bracket mounted on the housing, the conductive bracket for transmitting power to the developing roller; the conductive bracket has a developing bearing in which one end of the developing roller is rotatably supported;
characterized in that the developing cartridge further comprises a supporting member which enters at least partially into the guide groove of the process frame, the supporting member being configured of a non-conductive material.
2. A developing cartridge according to claim 1, wherein said supporting member includes a supporting portion for supporting said developing cartridge and a fixing portion formed to extend from said supporting portion.
3. A developing cartridge according to claim 2, wherein said supporting portion includes a positioning hole, and said conductive holder is provided with a positioning projection, and when said supporting member is mounted on said conductive holder, said positioning hole receives said positioning projection to position said supporting member.
4. The developing cartridge according to claim 2, wherein the conductive holder further includes a fixing groove into which the fixing portion at least partially enters when the supporting member is mounted on the conductive holder.
5. A developing cartridge according to claim 2, wherein said fixing portion includes an extension section formed extending outward from an outer periphery of said supporting portion, and a fixing section formed extending in a left-right direction from one end of said extension section.
6. A developing cartridge according to claim 2, wherein said process frame is provided with a guide groove for guiding mounting of the developing cartridge, said supporting portion is at least partially entered into said guide groove, and said supporting portion is moved along said guide groove during mounting of the developing cartridge to guide mounting of said developing cartridge.
7. The developing cartridge according to claim 5, wherein an end of the fixing section is configured in a hook shape, the conductive bracket is correspondingly provided with a fixing groove into which the fixing section enters when the supporting member is mounted on the conductive bracket, and the end of the fixing section hooks the conductive bracket to restrict a displacement of the supporting member in the left-right direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221904194.4U CN218383666U (en) | 2022-07-23 | 2022-07-23 | Developing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221904194.4U CN218383666U (en) | 2022-07-23 | 2022-07-23 | Developing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218383666U true CN218383666U (en) | 2023-01-24 |
Family
ID=84963526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221904194.4U Active CN218383666U (en) | 2022-07-23 | 2022-07-23 | Developing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218383666U (en) |
-
2022
- 2022-07-23 CN CN202221904194.4U patent/CN218383666U/en active Active
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