CN214375845U - developer cartridge - Google Patents
developer cartridge Download PDFInfo
- Publication number
- CN214375845U CN214375845U CN202120634566.5U CN202120634566U CN214375845U CN 214375845 U CN214375845 U CN 214375845U CN 202120634566 U CN202120634566 U CN 202120634566U CN 214375845 U CN214375845 U CN 214375845U
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- China
- Prior art keywords
- chip mounting
- developing cartridge
- chip
- base
- cartridge according
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- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000004891 communication Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000007648 laser printing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Dry Development In Electrophotography (AREA)
Abstract
The utility model relates to a developing box, including the casing, be located two vertical terminal drive end covers of casing and electrically conductive end cover respectively and with the chip subassembly that the drive end cover homonymy set up, the chip subassembly includes chip mounting bracket, base and elastic component, and the chip is installed in the chip mounting bracket, elastic component and chip mounting bracket butt for the chip mounting bracket can be for the base at a direction motion, and this direction is perpendicular with vertical direction, and the base is formed integrally with the drive end cover, therefore, the material cost of chip subassembly obtains reducing, and makes the installation of chip subassembly more simple and convenient.
Description
Technical Field
The utility model relates to a laser printing field.
Background
For realizing developing box and laser printer and realizing communication connection, can set up the chip of being connected with the laser printer electricity in the current developing box, simultaneously, for realizing the discernment of laser printer to developing box, still can set up the counting assembly who is arranged in with the driving lever combination among the laser printer among the current developing box, when developing box is installed to laser printer, the power receiving arrangement who sets up in developing box receives drive power from laser printer, and then the work of drive counting assembly.
In one of them, the counting means and the power receiving means are respectively located at both longitudinal ends of the developing cartridge, so that the overall layout of the developing cartridge is more uniform, and generally, the counting means is larger in size than the power receiving means, and thus, the chip needs to be mounted on the side of the power receiving means. However, the power receiving device may be more shaken at both longitudinal ends of the developing cartridge, the side where the power receiving device is located, in the process of receiving the driving force from the laser printer and transmitting the driving force to the counting device, thereby causing the contact of the chip with the laser printer to be interrupted.
For this reason, a chip in the conventional developing cartridge is mounted on a base which can move freely, thereby reducing the influence of the shake generated on the side where the power receiving device of the developing cartridge is located on the contact between the chip and the laser printer.
SUMMERY OF THE UTILITY MODEL
The utility model provides a developing box, the chip subassembly structure in this developing box is simplified to reduce the material cost of chip subassembly, and make the installation of chip subassembly more simple and convenient, concrete scheme is:
developing box, including the casing, be located two vertical terminal drive end covers of casing and electrically conductive end cover respectively and with the chip subassembly that drive end cover homonymy set up, the chip subassembly includes chip mounting bracket, base and elastic component, and the chip is installed in the chip mounting bracket, elastic component and chip mounting bracket butt for the chip mounting bracket can be for the base at a direction motion, and this direction is perpendicular with vertical direction, and base and drive end cover an organic whole are formed into an organic whole.
The developing box further comprises a driving head arranged through the same side of the driving body, the driving end cover comprises an end cover body with an outer surface and a through hole arranged on the end cover body, the driving head is exposed through the through hole, the through hole and the base are respectively arranged at two ends of the end cover body along the installation direction of the developing box, and the installation direction is perpendicular to the movement direction and the longitudinal direction of the chip mounting frame.
The base includes the bottom plate that extends outward along the longitudinal direction from the surface, follows the fixed part that the direction of motion of chip mounting bracket extends from the bottom plate, the chip mounting bracket combines with the fixed part.
The elastic piece is a compression spring positioned between the chip mounting frame and the fixing part.
The fixing portion includes a pair of guide plates disposed oppositely in a mounting direction of the developing cartridge and a pair of elastic catches disposed oppositely in a longitudinal direction of the developing cartridge, and a part of the compression spring is accommodated in a lower space formed between the guide plates and the elastic catches.
The driving end cover further comprises an opening penetrating through the end cover body along the longitudinal direction, and the opening is opposite to the elastic buckle.
The base further includes a rear side plate protruding from the outer surface in the longitudinal direction, the rear side plate further extending in the third direction and being connected to the bottom plate.
The chip mounting frame comprises a fixing body and a chip mounting body which are connected with each other, the fixing body is movably connected with the base, and the fixing body is provided with a first part corresponding to the chip mounting body and a second part not corresponding to the chip mounting body.
The second portion has an upper space formed therein, and a portion of the compression spring is received by the upper space.
One end of the chip mounting body extends beyond the fixing body in the mounting direction of the developing cartridge to form a protrusion.
The chip assembly in the developing cartridge is configured to be movable only in a direction perpendicular to the longitudinal direction, and a portion of the chip assembly is integrally formed with the driving end cap, thereby enabling material costs of the chip assembly to be reduced and enabling the chip assembly to be more easily mounted.
Drawings
Fig. 1 is a perspective view of a developing cartridge according to the present invention.
Fig. 2 is an exploded view of a chip assembly in a developing cartridge according to the present invention.
Fig. 3 is a perspective view of a drive end cap in the developing cartridge according to the present invention.
Fig. 4A and 4B are perspective views of a base according to the present invention.
Fig. 4C is a cross-sectional view of the base according to the present invention, the cross-sectional view being taken in a direction parallel to the first direction.
Fig. 4D is a plan view of the base according to the present invention when projected in a plane perpendicular to the third direction.
Fig. 4E is a plan view of the base according to the present invention when projected in a plane perpendicular to the first direction.
Detailed Description
Embodiments of the present invention are described below. Fig. 1 is a perspective view of a developing cartridge according to the present invention, and fig. 2 is an exploded view of a chip assembly in the developing cartridge according to the present invention.
The developing cartridge 100 has a first direction 91 extending in a length direction thereof, a second direction 92 extending in a width direction thereof, and a third direction extending in a height direction thereof, and the developing cartridge 100 is mounted and removed in the second direction 92, the length direction thereof may be referred to as a longitudinal direction, the width direction thereof may be referred to as a lateral direction, and the height direction thereof may be referred to as a vertical direction; the developing box 100 comprises a shell 1, a developing roller 3, a powder outlet knife 2, a driving head 6, a driving end cover 4 and a conductive end cover 5, wherein carbon powder is contained in the shell 1, the driving end cover 4 and the conductive end cover 5 are respectively positioned at two tail ends of the shell 1 along a first direction 91, the driving head 6 is exposed from the driving end cover 4 and used for receiving driving force from a laser printer to drive the developing roller 3 to rotate, and the powder outlet knife 2 is used for adjusting the thickness of the carbon powder on the surface of the developing roller 3.
As shown in fig. 2, the developing cartridge 100 further includes a chip component disposed on the same side as the driving end cap 4, the chip component being configured to be movable only in the third direction 93, and including a base 7 and a chip 8 mounted on the base 7, the chip 8 establishing a communication connection with the laser printer when the developing cartridge 100 is mounted to the laser printer. The base 7 comprises a chip mounting frame 71 carrying the chip 8, an elastic member 72 and a base 73, and the chip mounting frame 71 moves in a third direction 93 relative to the base 73 under the action of the elastic member 72.
Fig. 3 is a perspective view of a driving end cap in a developing cartridge according to the present invention, fig. 4A and 4B are perspective views of a base according to the present invention, fig. 4C is a cross-sectional view of the base according to the present invention cut along a direction parallel to a first direction, fig. 4D is a plan view of the base according to the present invention when projected in a plane perpendicular to the third direction, and fig. 4E is a plan view of the base according to the present invention when projected in a plane perpendicular to the first direction.
The driving end cap 4 includes an end cap body 41 having an outer surface 4a, a through hole 42 provided on the end cap body 41, the driving head 6 is exposed from the through hole 42, a base 73 is provided on the end cap body 41, the through hole 42 and the base 73 are respectively located at both ends of the end cap body 41 in the second direction 92, and an influence of vibration generated when the driving head 6 rotates on the base 73 can be reduced. The base 73 includes a bottom plate 731 extending outward from the outer surface 4a along the first direction 91, and a fixing portion 733 extending from the bottom plate 731 along the third direction 93, the chip mounting frame 71 is coupled to the fixing portion 733, and the elastic member 72 is preferably a compression spring located between the chip mounting frame 71 and the fixing portion 733, one end of the compression spring 72 abuts against the chip mounting frame 71, and the other end abuts against the fixing portion 733, but the elastic member 72 may also be a tension spring coupled to the chip mounting frame 71, as long as the chip mounting frame 71 can move back and forth in the third direction 93.
The chip mounting bracket 71 comprises a fixing body 711 and a chip mounting body 712 which are connected with each other, the chip is mounted in the chip mounting body 712, and the fixing body 711 is movably connected with the base 73; the chip mounting body 712 includes a chip mounting portion 7122 and a cavity 7124 distributed along the third direction 93, a first opening 7121 is formed at one side of the chip mounting body 712 along the first direction 91, the chip 8 is fixedly mounted to the chip mounting portion 7122 through the first opening 7121, and when components with larger volume such as a battery are further arranged in the chip 8, the components with larger volume can be accommodated by the cavity 7124; the fixing body 711 has a second opening 7111 and a third opening 7112 formed at both ends thereof along the first direction 91, which are opposite to each other, that is, the fixing body 711 penetrates along the first direction 91, so that the fixing body 711 and the chip mounting body 712 can be integrally injection-molded.
As shown in fig. 4B, the fixing body 711 has a first portion 711a corresponding to the chip mounting body 712 and a second portion 711B not corresponding to the chip mounting body 712 along the first direction 91, the second portion 711B is movably connected to the base 73, and the vibration of the housing 1 transmitted to the chip mounting body 712 can be reduced. As shown in fig. 3, the fixing portion 733 includes a pair of guide plates 7331 disposed to be opposed to each other in the second direction 92 and a pair of elastic hooks 7332 disposed to be opposed to each other in the first direction 91, a lower space 7333 is formed between the guide plates 7331 and the elastic hooks 7332, and a portion of the compression spring 72 is accommodated in the lower space 7333, and the compression spring 72 can be stably held in the lower space 7333 even if a member for fixing the compression spring 72 is not provided in the lower space 7333; meanwhile, the driving end cap 4 further includes a fourth opening 4b penetrating the end cap body 41 along the first direction 91, and the fourth opening 4b is opposite to the elastic buckle 7332, so that the base 73 and the end cap body 41 can be integrally formed by injection molding; further, the base 73 further includes a rear plate 732 protruding from the outer surface 4a in the first direction 91, the rear plate 732 extending in the third direction 93 and connected to the bottom plate 731, and the rear plate 732 protects the fixing portion 733 in the first direction 91.
As shown in fig. 4B and 4C, an upper space 7113 is formed in the second part 711B, a part of the compression spring 72 is received in the upper space 7113, the first part 711a and the second part 711B communicate with each other through the fifth opening 7114, the fixing body 711 sequentially passes through the second opening 7111, the fifth opening 7114 and the third opening 7112 along the first direction 91, and simultaneously, the engaging surfaces 7116/7115 are respectively formed in the fifth opening 7114 and the third opening 7112, and when the fixing body 711 is coupled to the base 73, the two elastic hooks 7332 are respectively engaged with the engaging surfaces 7116/7115, so that the moving range of the fixing body 711 in the third direction 93 is limited.
As shown in fig. 4D, when the chip mount 71 is projected on a plane perpendicular to the third direction 93 along the second direction 92 in which one end of the chip mounting body 712 extends beyond the fixing body 711 to form a protrusion 7123, the plane is parallel to the first direction 91 and the second direction 92, the center of the chip mounting body 712 is C, the center of the fixing body 711 is a, the center of the second portion 711B is B, a straight line L1 passing through the center a and parallel to the first direction 91 also passes through the center B, a straight line L2 passing through the center C and parallel to the first direction 91 is parallel to the straight line L1, but the straight line L1 does not coincide with the straight line L2, that is, the center C is displaced from at least one of the center a and the center B along the second direction 92, or the center C is neither collinear with the center a nor the center B along the first direction 91. Vibration generated by the driving head 6 in operation is transmitted to the housing 1, and then the housing 1 transmits the vibration to the fixing body 711 via the base 73, and the center C is not collinear with at least one of the center a and the center B in the first direction 91, so that the influence of the vibration transmitted to the fixing body 711 on the chip mounting body 712 is reduced, and the communication connection of the chip 8 mounted on the chip mounting body 712 to the laser printer is stably maintained.
As shown in fig. 4E, when the chip mount 71 is projected on a plane perpendicular to the first direction 91, the plane is parallel to the second direction 92 and the third direction 93, the center of the chip mounting body 712 is D, the center of the fixing body 711 is E, a straight line L3 passing through the center E and a straight line L4 passing through the center D are parallel to each other, and the straight line L3 and the straight line L4 do not coincide with each other either, that is, the center D is disposed offset from the center E in the second direction 92 or the center D and the center E are not collinear in the third direction 93; with this arrangement, the influence of vibration generated when the driving head 6 operates on the chip mounting body 712 can be reduced, and the communication connection between the chip 8 mounted on the chip mounting body 712 and the laser printer can be stably maintained.
The utility model discloses an among the chip subassembly, base 73 and end cover body 41 are formed integratively for the chip mounting bracket 71 and the base 73 of installation chip combine with mobilizable mode, and under the elastic action of elastic component 72, chip mounting bracket 71 can only be for base 73 at the motion of third direction 93, the overall structure of chip subassembly is simplified, the utility model discloses a chip subassembly material cost is lower, and the installation of being more convenient for.
Claims (10)
1. Developing box, including the casing, be located two vertical terminal drive end covers of casing and electrically conductive end cover respectively and with the chip subassembly that drive end cover homonymy set up, the chip subassembly includes chip mounting bracket, base and elastic component, and the chip is installed in the chip mounting bracket, elastic component and chip mounting bracket butt for the chip mounting bracket can be for the base at a direction motion, and this direction is perpendicular with vertical direction, its characterized in that, base and drive end cover integrated into one piece.
2. The developing cartridge according to claim 1, wherein the developing cartridge further comprises a driving head provided by driving the same side, the driving cap comprises an end cap body having an outer surface and a through hole provided on the end cap body, the driving head is exposed through the through hole, the through hole and the base are respectively provided at both ends of the end cap body in a mounting direction of the developing cartridge, the mounting direction is perpendicular to both the moving direction and the longitudinal direction of the chip mounting bracket.
3. A developing cartridge according to claim 2, wherein the base includes a bottom plate extending outward in the longitudinal direction from the outer surface, a fixing portion extending from the bottom plate in a moving direction of the chip mounting block, the chip mounting block being combined with the fixing portion.
4. A developing cartridge according to claim 3, wherein the elastic member is a compression spring located between the chip mounting bracket and the fixing portion.
5. A developing cartridge according to claim 4, wherein the fixing portion includes a pair of guide plates disposed oppositely in a mounting direction of the developing cartridge and a pair of elastic catches disposed oppositely in a longitudinal direction of the developing cartridge, a part of the compression spring being accommodated in a lower space formed between the guide plates and the elastic catches.
6. The developing cartridge according to claim 5, wherein the driving cap further includes an opening penetrating the cap body in the longitudinal direction, the opening being opposed to the elastic catch.
7. The developing cartridge according to claim 6, wherein the base further includes a rear side plate protruding from the outer surface in the longitudinal direction, the rear side plate further extending in the third direction and being connected to the bottom plate.
8. The developing cartridge according to claim 6, wherein the chip mounting block includes a fixing body and a chip mounting body connected to each other, the fixing body being movably connected to the base, the fixing body having a first portion corresponding to the chip mounting body and a second portion not corresponding to the chip mounting body.
9. A developing cartridge according to claim 8, wherein the second portion has an upper space formed therein, and a part of the compression spring is received by the upper space.
10. A developing cartridge according to claim 9, wherein one end of the chip mounting body extends beyond the fixing body in the mounting direction of the developing cartridge to form a protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120634566.5U CN214375845U (en) | 2021-03-29 | 2021-03-29 | developer cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120634566.5U CN214375845U (en) | 2021-03-29 | 2021-03-29 | developer cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214375845U true CN214375845U (en) | 2021-10-08 |
Family
ID=77973582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120634566.5U Active CN214375845U (en) | 2021-03-29 | 2021-03-29 | developer cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214375845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119376216A (en) * | 2024-12-26 | 2025-01-28 | 珠海市颂洋科技有限公司 | Movable chip holder assembly and developing box |
-
2021
- 2021-03-29 CN CN202120634566.5U patent/CN214375845U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119376216A (en) * | 2024-12-26 | 2025-01-28 | 珠海市颂洋科技有限公司 | Movable chip holder assembly and developing box |
| CN119376216B (en) * | 2024-12-26 | 2025-03-25 | 珠海市颂洋科技有限公司 | Movable chip holder assembly and developing box |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |