CN220651066U - Developing cartridge - Google Patents
Developing cartridge Download PDFInfo
- Publication number
- CN220651066U CN220651066U CN202322189595.7U CN202322189595U CN220651066U CN 220651066 U CN220651066 U CN 220651066U CN 202322189595 U CN202322189595 U CN 202322189595U CN 220651066 U CN220651066 U CN 220651066U
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- developing cartridge
- developing
- photosensitive
- positioning
- length direction
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- 238000003384 imaging method Methods 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 21
- 230000013011 mating Effects 0.000 claims 2
- 239000000843 powder Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The developing cartridge of the utility model is detachably mounted on a photosensitive assembly, the photosensitive assembly comprises a photosensitive bracket and a photosensitive member, and the photosensitive assembly is detachably mounted in an imaging device with a detection component; the developing box comprises a shell, a developing piece rotatably arranged on the shell along the length direction of the developing box, and an end cover and a conductive piece which are detachably arranged on the shell, wherein the end cover and the conductive piece are respectively arranged on two sides of the shell along the length direction; the photosensitive bracket comprises a first forcing part and a second forcing part which are respectively arranged at two sides of the length direction of the photosensitive bracket; when the developing cartridge is mounted in the photosensitive assembly, the end cover comprises a first forced pushing part matched with the first forced pushing part, the conductive piece comprises a second forced pushing part matched with the second forced pushing part, and the developing piece and the photosensitive piece can be stably contacted through the embodiment of the utility model, and meanwhile, the shell has universality in developing cartridges of different types.
Description
Technical Field
The present utility model relates to the field of electrophotographic image forming, and more particularly, to a developing cartridge detachably mountable to an electrophotographic image forming apparatus.
Background
The developing cartridge is a consumable product used in an image forming apparatus such as a laser printer or a copier in which a developer required for image formation is stored, and in operation, a driving force receiving member in the developing cartridge receives a driving force from the image forming apparatus, and a powder feeding member for supplying the developer to a surface of the developing member for supplying the developer to a surface of a photosensitive member on which an electrostatic latent image is formed and the developing member mounted in the developing cartridge are rotated at a predetermined speed in a predetermined direction, so that the electrostatic latent image is developed.
In the prior art, the imaging devices produced are distinguished by series, and the imaging devices of the same series are similar in appearance and are distinguished in function used by users. Meanwhile, in order to facilitate production and save cost, the developing cartridges suitable for the same series are basically consistent in appearance, so that most accessories on the developing cartridges have universality. And the developing cartridges of different models of the same series have slight differences in their structures. The arrangement of the position of the portion of the developing cartridge that cooperates with the image forming apparatus or the photosensitive member may vary, for example.
For example, when the developing cartridge of the related art is required to be mounted in an image forming apparatus, it is required to be mounted in advance on one photosensitive member. The photosensitive assembly comprises a photosensitive member support and a photosensitive member rotatably arranged on the photosensitive member support. When the developing cartridge is mounted to the photosensitive assembly, the developing cartridge is engaged with the photosensitive member holder to receive a urging force from the photosensitive member holder, so that the developing member provided in the developing cartridge is brought into contact with the photosensitive member. The two sides of the length direction of the developing box are respectively provided with a first forced pushing part and a second forced pushing part, the two sides of the length direction of the photosensitive piece support are respectively provided with a first forced pushing part and a second forced pushing part, and the first forced pushing part and the second forced pushing part respectively apply forced pushing force to the first forced pushing part and the second forced pushing part. In the prior art, the positions of the forced pushing parts arranged on the photosensitive brackets of the photosensitive assemblies of the imaging equipment with different models are different, so that the positions of the forced pushing parts arranged on the corresponding developing cartridges are also suitable for the positions.
The developing cartridge in the prior art comprises a housing, and the developer, the developing member or the powder feeding member and the like are all arranged in the housing. The forced pushing part on the developing box is arranged on the shell of the developing box and is a part of the shell of the developing box, so that different shells are required to be equipped for developing boxes of different models, different shell molds are required, the volume of the shell is larger than that of other parts on the developing box, and the manufacturing cost is higher.
Disclosure of Invention
The embodiment of the developing cartridge provided by the utility model can enable the shell of the developing cartridge to have more universality, and the following specific embodiment is provided.
The developing cartridge provided by the utility model is detachably mounted on a photosensitive assembly provided with a photosensitive member, wherein the photosensitive assembly comprises a photosensitive bracket and the photosensitive member, the photosensitive member is arranged along the length direction of the photosensitive bracket, and the photosensitive assembly is detachably mounted in an imaging device with a detection component; the developing cartridge comprises a shell, a developing piece rotatably arranged on the shell along the length direction of the developing cartridge, and an end cover and a conductive piece which are detachably arranged on the shell, wherein the end cover and the conductive piece are respectively arranged on two sides of the shell along the length direction; the photosensitive bracket comprises a first forcing part and a second forcing part which are respectively arranged at two sides of the length direction of the photosensitive bracket; when the developing cartridge is mounted in the photosensitive assembly, the developing member is in contact with the photosensitive member, the end cap includes a first forced pushing portion for cooperation with the first forced pushing portion, and the conductive member includes a second forced pushing portion for cooperation with the second forced pushing portion.
Further, a first positioning part and a second positioning part are arranged on the shell, the first positioning part is a cylinder or a positioning hole, and the second positioning part is also a cylinder or a positioning hole.
Further, the first positioning part is a first cylinder protruding outwards along the length direction of the shell, the end cover is provided with a first positioning hole matched with the first cylinder, the second positioning part is a second cylinder protruding outwards along the length direction of the shell, and the conductive piece is provided with a second positioning hole matched with the second cylinder.
Further, the first positioning part is a first positioning hole arranged along the length direction of the shell, the end cover is provided with a first column body matched with the first positioning hole, the second positioning part is a second positioning hole arranged along the length direction of the shell, and the conductive piece is provided with a second column body matched with the second positioning hole.
Further, a line connecting the axis of the first positioning part and the axis of the second positioning part is parallel to the length direction of the shell.
Further, a connecting line of the stress point of the first forced pushing part and the stress point of the second forced pushing part is parallel to the length direction of the shell.
The developing box provided by the utility model has the advantages that the width direction is perpendicular to the length direction of the developing box, and the plane in which the width direction is positioned is perpendicular to the length direction of the developing box; in the width direction of the developing cartridge, the side on which the developing member is located is the front, and the side opposite thereto is the rear; the developing box is provided with a conductive end on one side and a non-conductive end on the other side; the distance from the axis of the first positioning part to the axis of the developing member is smaller than the distance from the axis of the first positioning part to the rear end of the shell when seen from the non-conductive end along the length direction of the developing cartridge; the distance from the axis of the second positioning part to the axis of the developing member is smaller than the distance from the axis of the second positioning part to the rear end of the shell when the conducting end is seen along the length direction of the developing cartridge.
Further, the non-conductive end is provided with a driving force receiving part for engaging with a driving part in the imaging device and receiving a rotational force, an intermediate gear engaged with the driving force receiving part, a stirring part gear engaged with the intermediate gear, and a counting assembly for counting in cooperation with a detecting part in the imaging device, at least a part of the counting assembly is exposed from the end cover; the first positioning part is positioned below a connecting line passing through the axle center of the driving force receiving part and the axle center of the stirring part gear when seen from the non-conductive end along the length direction of the developing box; the second positioning portion is located below the line passing through the shaft center of the driving force receiving member and the shaft center of the stirring member gear, as viewed from the conductive end in the longitudinal direction of the developing cartridge.
Further, the first positioning portion is located between a first vertical line passing through the axis of the intermediate gear and perpendicular to the connecting line and a second vertical line passing through the axis of the stirring member gear and perpendicular to the connecting line, as viewed from the non-conductive end in the longitudinal direction of the developing cartridge; the second positioning portion is located between a first vertical line passing through the axis of the intermediate gear and perpendicular to the connecting line and a second vertical line passing through the axis of the stirring member gear and perpendicular to the connecting line, as viewed from the conductive end in the longitudinal direction of the developing cartridge.
Drawings
Fig. 1 and 2 are perspective views of a developing cartridge provided by the present utility model.
Fig. 3 is an exploded view of the end cap and the conductive member of the developing cartridge according to the present utility model, respectively, separated from the casing.
Fig. 4 is a view from the non-conductive end of the developing cartridge according to the present utility model as seen in the longitudinal direction of the developing cartridge.
Fig. 5 is a view from the conductive end of the developing cartridge according to the present utility model as seen in the longitudinal direction of the developing cartridge.
Detailed Description
Embodiments of the present utility model are described in detail below with reference to the accompanying drawings.
Fig. 1 and 2 are perspective views of a developing cartridge provided by the present utility model.
As shown in fig. 1, the developing cartridge 1 includes a casing 11, a developing member, a powder feeding member, and a stirring member in the casing 11, the casing 11 accommodating a developer therein, the stirring member being for stirring the developer; 12 shown in fig. 1 is a developing member rotatably provided on the casing 11 in a longitudinal direction of the developing cartridge; an end cap 13 and a conductive member 14 are provided on both sides of the length direction of the developing cartridge, respectively, and the end cap 13 and the conductive member 14 are mounted to the housing 11 along the length direction of the developing cartridge, respectively. The side of the conductive member 14 is referred to as the conductive end and the side of the end cap 13 is referred to as the non-conductive end. The conductive member 14 is for contacting with a conductive member in the image forming apparatus to receive power and supply at least to the developing member 12 when the developing cartridge is mounted in the image forming apparatus.
The utility model provides a developing cartridge which is detachably mounted on a photosensitive assembly (not shown in the figure, only a simple structure schematic view of a photosensitive member 21 is taken as an auxiliary description of the embodiment of the utility model); the photosensitive assembly comprises a photosensitive member support and a photosensitive member 21, wherein the photosensitive member 21 is rotatably arranged on the photosensitive member support along the length direction of the photosensitive member support, and the length direction of the developing cartridge is parallel to the length direction of the photosensitive member support.
The photosensitive member support is provided with a first forced pushing member and a second forced pushing member at two sides in the length direction of the photosensitive member support respectively, and a first forced pushing part and a second forced pushing part are correspondingly arranged on the developing box; when the developing cartridge is mounted in the photosensitive assembly, the first urging member applies pressure to the first urging portion, and the second urging member applies pressure to the second urging portion.
As shown in fig. 2, specifically, two sides of the developing cartridge in the length direction are respectively provided with a first forced pushing portion 131 and a second forced pushing portion 141, and fig. 21 is a schematic structural diagram of a photosensitive member in a photosensitive assembly; when the developing cartridge is mounted on the photosensitive member holder, as shown in fig. 2, the urging force F1 of the first urging portion acts on the first urged portion 131, and the urging force F2 of the second urging portion acts on the second urged portion 141, and the developing member is held in contact with the photosensitive member.
In the developing cartridge provided by the present utility model, specifically, as shown in fig. 2, the first forced pushing portion 131 is disposed on the end cover 13, and the second forced pushing portion 141 is disposed on the conductive member 14. So configured, when the developing cartridge is adapted to different types of image forming apparatuses, only the end cap or the conductive member is required to be provided so that the casing 11 can be commonly used in different types of developing cartridges.
Fig. 3 is an exploded view showing the separation of the end cap and the conductive member from the casing of the developing cartridge according to the present utility model.
The developing cartridge further includes a first positioning portion 112 and a second positioning portion 111, the first positioning portion 112 and the second positioning portion 111 being provided on both sides of the casing 11, respectively; the first positioning portion 112 is disposed on the non-conductive end and along the length direction of the developing cartridge, the second positioning portion 111 is disposed on the conductive end, the end cover 13 and the first positioning portion 112 cooperate to realize positioning on the housing 11, and the conductive member 14 and the second positioning portion 111 cooperate to realize positioning on the housing 11.
Specifically, in the embodiment of the present utility model, the first positioning portion 112 is a first cylinder protruding outwards along the length direction of the housing, the end cover is provided with a first positioning hole 132 to be matched with the first cylinder, the second positioning portion 111 is a second cylinder protruding outwards along the length direction of the housing, and the conductive member is provided with a second positioning hole 142 to be matched with the second cylinder 111.
In the embodiment of the utility model, the cylinder and the hole can be interchanged, that is, the positioning hole can be arranged on the shell, the cylinder is arranged on the end cover and the conductive member, specifically, the first positioning part 112 is a first positioning hole arranged along the length direction of the shell, the end cover is provided with the first cylinder to be matched with the first positioning hole, the second positioning part 111 is a second positioning hole arranged along the length direction of the shell, and the conductive member is provided with a second cylinder to be matched with the second positioning hole. The length direction of the developing cartridge and the length direction of the housing are the same direction.
The implementation manner of the positioning portion in the present utility model is not limited to the above two manners, and the first positioning portion provided by the present utility model is a cylinder or a positioning hole, and the second positioning portion is also a cylinder or a positioning hole, and different combinations may be implemented, for example, when the first positioning portion may be configured as a cylinder, the second positioning portion may be configured as a positioning hole, and for example, when the first positioning portion may be configured as a positioning hole, the second positioning portion may be configured as a cylinder.
Fig. 4 is a view of the developing cartridge according to the present utility model as seen from the non-conductive end in the longitudinal direction of the developing cartridge, and fig. 4 is a state in which the developing cartridge is mounted in the photosensitive member, that is, a state in which the developing member 12 is brought into contact with the photosensitive member 21 by the urging force of the urging portion of the developing cartridge 1 on the photosensitive member.
As shown in fig. 3 and 4, the developing cartridge further includes a driving force receiving member 15, the driving force receiving member 15 being rotatably provided on the non-conductive end of the casing 11; the driving force receiving part 15 is provided with a driving force receiving part 151, the end cover 13 is provided with a through hole 133, and the driving force receiving part 151 passes through the through hole 133 and is exposed from the through hole 133; a driving force receiving portion 151 on the driving force receiving member 15 for transmitting rotational power in engagement with a driving member in the image forming apparatus after the developing cartridge is mounted to the image forming apparatus with the photosensitive member; a gear part 152 is further arranged on the driving force receiving part 15 in the circumferential direction, an intermediate gear 16 is further arranged on the non-conductive end, and the intermediate gear 16 is meshed with the gear part 152 to transmit rotation power; the non-conductive end is also provided with a stirring piece gear 17, the stirring piece gear 17 is matched with a stirring piece arranged in the shell 11, the stirring piece gear 17 is meshed with the intermediate gear to transmit rotation power, and meanwhile, the stirring piece is driven to rotate; the non-conductive end of the developing box is also provided with a counting assembly 18 which is matched with a detection part in the imaging equipment to finish counting, the counting assembly 18 is meshed with the stirring piece gear 17 to transmit rotation power, and at least one part of the counting assembly 18 is exposed out of the end cover.
The driving force receiving member 15, the intermediate gear 16, and the agitator gear 17 each have a rotation axis, which is disposed in parallel with the longitudinal direction of the developing cartridge.
Further, as shown in fig. 4, L1 is a line passing through the axis of the driving force receiving member 15 and the axis of the stirring member gear 17, and the first positioning portion 112 is located below the line L1 as viewed from the non-driving end of the developing cartridge in the longitudinal direction of the developing cartridge; the diagram L2 is a first vertical line, the first vertical line L2 passes through the axis of the intermediate gear 16 and is perpendicular to the connecting line L1, L3 is a second vertical line, and the second vertical line L3 passes through the axis of the stirring gear 17 and is perpendicular to the connecting line L2; the first positioning portion 112 is located between the first vertical line L2 and the second vertical line L3. This makes it possible to fully utilize the space of the non-conductive end and prevent at least one of the first forced pushing portion 131 and the second forced pushing portion 141 from interfering with the driving force receiving member 15 or the intermediate gear 16 or the stirring member gear 17 provided on the non-conductive end.
Fig. 5 is a view of the developing cartridge according to the present utility model as seen from the conductive end in the longitudinal direction of the developing cartridge.
Further, as shown in fig. 3, a line a connecting the axes of the first positioning portion 112 and the second positioning portion 111 is substantially parallel to the longitudinal direction of the developing cartridge; similarly, as shown in fig. 5, when the conductive end is seen along the length direction of the developing cartridge, the second positioning portion 111 is located below the connecting line L1, and the second positioning portion 111 is located between the first vertical line L2 and the second vertical line L3.
Further, the developing cartridge has a width direction perpendicular to a length direction of the developing cartridge, and a plane in which the width direction is located is perpendicular to the length direction of the developing cartridge; in the width direction of the developing cartridge, i.e., the front-rear direction as shown in fig. 4 and 5; the developing member is positioned at one side thereof which is the front and the opposite side thereof is the rear. As shown in fig. 4, the first positioning portion 112 is disposed closer to the developing member 12 in the width direction of the casing, that is, the distance K1 from the axis of the first positioning portion 112 to the axis of the developing member 12 is smaller than the distance K2 from the axis of the first positioning portion 112 to the rear end of the casing, as seen in the longitudinal direction of the developing cartridge from the non-conductive end; similarly, since the line a between the first positioning portion 112 and the axis of the second positioning portion 111 is substantially parallel to the longitudinal direction of the developing cartridge, the second positioning portion 111 is also disposed closer to the developing member 12 in the width direction of the casing as shown in fig. 5, that is, the distance K3 from the axis of the second positioning portion 111 to the axis of the developing member 12 is smaller than the distance K4 from the axis of the second positioning portion 111 to the rear end of the casing, when viewed from the conductive end in the longitudinal direction of the developing cartridge; with this arrangement, the urging forces of the first and second urging portions can be made to act on the developing cartridge more efficiently and stably, and the developing member 12 can be made to be in more stable contact with the photosensitive member 21.
Further, in the developing cartridge provided by the present utility model, the urging forces F1 and F2 provided by the photosensitive assembly can act on the first positioning portion 112 and the second positioning portion 111 provided on the casing through the urging portions. When the urging forces F1 and F2 act on the first urging portion 131 and the second urging portion 141, the first urging portion 131 and the second urging portion 141 act on the first positioning portion 112 and the second positioning portion 111, so that both sides of the developing cartridge are uniformly and stably stressed, and the surfaces of the developing member 12 and the photosensitive member 21 provided in the photosensitive assembly are uniformly stressed and contacted with each other.
Claims (9)
1. The developing cartridge is detachably mounted on a photosensitive assembly provided with a photosensitive member, the photosensitive assembly comprises a photosensitive bracket and the photosensitive member, the photosensitive member is arranged along the length direction of the photosensitive bracket, and the photosensitive assembly is detachably mounted in an imaging device with a detection component;
the developing cartridge comprises a shell, a developing piece rotatably arranged on the shell along the length direction of the developing cartridge, and an end cover and a conductive piece which are detachably arranged on the shell, wherein the end cover and the conductive piece are respectively arranged on two sides of the shell along the length direction;
the photosensitive bracket comprises a first forcing part and a second forcing part which are respectively arranged at two sides of the length direction of the photosensitive bracket;
when the developing cartridge is mounted in the photosensitive assembly, the developing member is in contact with the photosensitive member, characterized in that:
the end cap includes a first forced pushing portion for mating with the first forced pushing portion, and the conductive member includes a second forced pushing portion for mating with the second forced pushing portion.
2. The developing cartridge according to claim 1, wherein the housing is provided with a first positioning portion and a second positioning portion, the first positioning portion being a cylinder or a positioning hole, and the second positioning portion being a cylinder or a positioning hole.
3. The developing cartridge according to claim 2, wherein the first positioning portion is a first cylinder protruding outward in a longitudinal direction of the casing, the end cap is provided with a first positioning hole for engaging with the first cylinder, the second positioning portion is a second cylinder protruding outward in the longitudinal direction of the casing, and the conductive member is provided with a second positioning hole for engaging with the second cylinder.
4. The developing cartridge according to claim 2, wherein the first positioning portion is a first positioning hole provided along a length direction of the casing, the end cap is provided with a first cylinder for fitting with the first positioning hole, the second positioning portion is a second positioning hole provided along a length direction of the casing, and the conductive member is provided with a second cylinder for fitting with the second positioning hole.
5. A developing cartridge according to claim 2, wherein a line connecting the axial center of said first positioning portion and the axial center of said second positioning portion is parallel to the longitudinal direction of said casing.
6. The developing cartridge according to claim 2, wherein a line connecting the force receiving point of the first forced pushing portion and the force receiving point of the second forced pushing portion is parallel to the longitudinal direction of the casing.
7. A developing cartridge according to any one of claims 3-6, wherein:
the developing box is provided with a width direction, the width direction is perpendicular to the length direction of the developing box, and a plane where the width direction is located is perpendicular to the length direction of the developing box; in the width direction of the developing cartridge, the side on which the developing member is located is the front, and the side opposite thereto is the rear;
the developing box is provided with a conductive end on one side and a non-conductive end on the other side;
the distance from the axis of the first positioning part to the axis of the developing member is smaller than the distance from the axis of the first positioning part to the rear end of the shell when seen from the non-conductive end along the length direction of the developing cartridge; the distance from the axis of the second positioning part to the axis of the developing member is smaller than the distance from the axis of the second positioning part to the rear end of the shell when the conducting end is seen along the length direction of the developing cartridge.
8. The developing cartridge according to claim 7, wherein:
the non-conductive end is provided with a driving force receiving part for meshing with a driving part in the imaging equipment and receiving a rotating force, an intermediate gear meshed with the driving force receiving part, a stirring part gear meshed with the intermediate gear and a counting assembly matched with a detecting part in the imaging equipment to finish counting, and at least one part of the counting assembly is exposed out of the end cover;
the first positioning part is positioned below a connecting line passing through the axle center of the driving force receiving part and the axle center of the stirring part gear when seen from the non-conductive end along the length direction of the developing box; the second positioning portion is located below a line passing through the shaft center of the driving force receiving member and the shaft center of the stirring member gear, as viewed from the conductive end in the longitudinal direction of the developing cartridge.
9. The developing cartridge according to claim 8, wherein the first positioning portion is located between a first vertical line passing through an axis of the intermediate gear and perpendicular to the line and a second vertical line passing through an axis of the agitator gear and perpendicular to the line, as viewed in a longitudinal direction of the developing cartridge from the non-conductive end; the second positioning portion is located between a first vertical line passing through the axis of the intermediate gear and perpendicular to the connecting line and a second vertical line passing through the axis of the stirring member gear and perpendicular to the connecting line, as viewed from the conductive end in the longitudinal direction of the developing cartridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322189595.7U CN220651066U (en) | 2023-08-14 | 2023-08-14 | Developing cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322189595.7U CN220651066U (en) | 2023-08-14 | 2023-08-14 | Developing cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220651066U true CN220651066U (en) | 2024-03-22 |
Family
ID=90287977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322189595.7U Active CN220651066U (en) | 2023-08-14 | 2023-08-14 | Developing cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220651066U (en) |
-
2023
- 2023-08-14 CN CN202322189595.7U patent/CN220651066U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |