Conductive part for powder box and powder box

Abstract

The invention provides a powder box and a conductive piece thereof, the conductive piece is of an integrated structure, the conductive piece comprises a developing positioning part, a power supply part and a fixing part, and the power supply part is located on the end wall of the first end of the conductive piece; the conductive piece further comprises a powder feeding positioning part and a guide inclined surface; the powder feeding positioning part and the developing positioning part are electrically connected with the power supply part; the powder feeding positioning part is provided with a first mounting port, the developing positioning part is provided with a second mounting port, and the first mounting port and the second mounting port face the second end of the conductive piece; the guide inclined surface is in smooth transition with the power supply part; from one side close to the developing positioning part to one side close to the power supply part, the guide inclined surface is obliquely arranged from the second end to the first end. The conductive piece can effectively improve the conductive performance, meanwhile, the structure is simplified, after the conductive piece is assembled on a powder box, installation is smoother, and damage to a contact pin of a printer is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of printing consumables, and in particular to a conductive part for a powder box and a powder box. Background Art

[0002] Electronic photographic imaging equipment (such as laser printers) is an indispensable office equipment in daily work and study. It is a device that uses the principle of electronic photography to form images on image forming media (such as paper) through at least the processes of charging, exposure, development, transfer, fixing, and cleaning. The material device of printing consumables used on electronic photographic imaging equipment is generally called a processing box.

[0003] However, the current developing roller electrode and powder feeding roller electrode are located on different components, and power is supplied to the developing roller and the powder feeding roller separately, resulting in a large amount of conductive material consumption and high cost. In addition, the surface where the developing electrode contacts the printer contact is composed of multiple surfaces and is stepped, resulting in a smaller contact area between the developing electrode and the printer contact pin during installation, which can easily lead to poor contact. At the same time, the stepped structure can easily cause jamming during the sliding contact process between the developing electrode and the printer contact pin, which can easily damage the printer contact pin structure. Summary of the invention

[0004] A first object of the present invention is to provide a conductive member for a powder box having high conductive stability.

[0005] A second object of the present invention is to provide a powder box comprising the above-mentioned conductive member.

[0006] In order to achieve the above-mentioned first purpose, a conductive part provided by the present invention is an integrated structure, and the conductive part includes a developing positioning part, a power supply part and a fixing part, and the power supply part is located on the end wall of the first end of the conductive part; the conductive part also includes a powder feeding positioning part and a guide slope; the powder feeding positioning part and the developing positioning part are both electrically connected to the power supply part; the powder feeding positioning part has a first mounting port, and the developing positioning part has a second mounting port, and the first mounting port and the second mounting port are both facing the second end of the conductive part; the guide slope smoothly transitions with the power supply part; from the side close to the developing positioning part to the side close to the power supply part, the guide slope is inclined in the direction from the second end to the first end.

[0007] As can be seen from the above, the powder feeding positioning part can be used to directly position and support the powder feeding roller, which simplifies the conductive structure and its production process, reduces production costs, and makes the carbon powder more evenly charged. The set guide bevel and the power supply part have a smooth transition, which can reduce the jamming of the sliding contact between the developing electrode and the printer stylus during installation, making the transition smoother, reducing damage to the printing stylus, and reducing the difficulty of processing the developing electrode.

[0008] A further solution is that the axis of the powder feeding positioning portion is arranged parallel to the axis of the developing positioning portion.

[0009] A further solution is that the power supply portion and the guiding inclined surface are arranged coplanarly.

[0010] As can be seen from the above, the power supply part and the guide bevel are coplanar, which can further improve the smoothness of the contact between the conductive part and the printer stylus during the installation process and printing process, while further increasing the contact area with the print stylus and further reducing damage to the printer stylus.

[0011] A further solution is that an extension portion is further provided on the conductive member, the extension portion is electrically connected to the power supply portion, the extension portion and the power supply portion are arranged coplanarly, and the extension portion extends outward from the edge of the power supply portion.

[0012] As can be seen from the above, the provision of an extension portion and the extension portion being coplanar with the power supply portion can further increase the contact area between the conductive member and the printer contact pin, and can effectively improve the versatility of the contact pin arrangement for different printers.

[0013] A further solution is that the extension portion is away from the second end of the conductive member relative to the powder feeding positioning portion, and a hollow groove is provided on the conductive member, and the hollow groove is located on a side of the conductive member away from the extension portion.

[0014] As can be seen from the above, the extension portion and the powder feeding positioning portion are far away from the second end of the conductive member, and a hollow groove is provided on the conductive member, which can reduce materials and reduce production costs while improving the conductive performance and versatility.

[0015] A further solution is that an exhaust hole is provided on the powder feeding positioning portion.

[0016] As can be seen from the above, the exhaust holes provided on the powder feeding positioning portion prevent the conductive paste and other materials applied on the powder feeding roller from being squeezed out when docking with the powder feeding roller, thereby reducing the conductive performance and causing problems during printing.

[0017] In order to achieve the above-mentioned second purpose, the powder box provided by the present invention includes a box body, a developing roller, a powder feeding roller, and a conductive end cover assembly, wherein the box body is provided with a accommodating cavity for accommodating a developer, and the box body is provided with a powder outlet connected to the accommodating cavity; the developing roller is arranged at the powder outlet; the powder feeding roller is rotatably supported on the box body and abuts against the developing roller; the conductive end cover assembly is arranged at the conductive end of the box body; the conductive end cover assembly includes a conductive member as described in any one of the above.

[0018] A further solution is that the conductive end cover assembly also includes a roller bracket, the roller bracket is provided with an avoidance portion and a developer positioning hole, one end of the developer roller is rotatably supported in the developer positioning hole, and the developer roller is electrically connected to the developer positioning portion; the powder feeding positioning portion passes through the avoidance portion and extends toward the box body, one end of the powder feeding roller extends into the powder feeding positioning portion from the first mounting port, and the powder feeding roller is electrically connected to the powder feeding positioning portion.

[0019] It can be seen from the above that the avoidance portion provided on the roller bracket can reduce material loss, and directly position and conduct electricity to the powder feeding roller through the powder feeding positioning portion, thereby simplifying the structure, reducing production difficulty, and improving assembly efficiency.

[0020] A further solution is that the developing roller is electrically connected to the developing positioning portion via a conductive spring.

[0021] A further solution is that the end of the developing roller extends from the second mounting opening into the developing positioning portion.

[0022] In summary, it can be seen that the conductive part of the present invention can effectively improve the conductive performance and simplify the structure. After being assembled on the powder box, the installation is smoother, the damage to the printer contact pin is reduced, and the versatility is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 2 is a structural diagram of a powder box embodiment of the present invention.

[0024] Figure 2 It is a partial exploded view of an embodiment of a powder box of the present invention.

[0025] Figure 3 1 is a structural diagram of a conductive member of a powder box embodiment of the present invention from a first perspective.

[0026] Figure 4 4 is a structural diagram of the conductive member of the powder box embodiment of the present invention from a second viewing angle.

[0027] Figure 5 3 is a structural diagram of the conductive member of the powder box embodiment of the present invention from a third perspective.

[0028] Figure 6 4 is a structural diagram of the conductive member of the powder box embodiment of the present invention from a fourth viewing angle. DETAILED DESCRIPTION

[0029] See also Figures 1 to 6The powder box provided in this embodiment includes a box body 1, a developing roller 2, a powder feeding roller 3, a stirring frame 4, a driving end cover 5, a driving assembly (not shown in the figure) and a conductive end cover assembly 6. A receiving chamber (not shown in the figure) for receiving a developer is provided in the box body 1, and a powder outlet 8 communicating with the receiving chamber 7 is provided on the box body 1. The developing roller 2 is provided at the powder outlet 8. The developing roller 2 delivers the developer to the photosensitive drum (not shown in the figure). The powder feeding roller 3 and the stirring frame 4 are both rotatably provided on the box body 1, and the powder feeding roller 3 abuts against the developing roller 2. Optionally, the stirring frame 4 may not be provided. If a magnetic roller is used as the developing roller 2, the powder feeding roller 3 may not be provided. The powder feeding roller 3 and the stirring frame 4 deliver the developer to the developing roller 2. The driving end cover 5 is provided at the driving end of the box body 1, and a driving chamber 50 is provided between the driving end cover 5 and the box body 1. The driving assembly is provided in the driving chamber 50, and the driving member in the printer drives the driving assembly to move, and the driving assembly drives the developing roller 2 and the powder feeding roller 3 to rotate. The conductive end cover assembly 6 is arranged at the conductive end of the box body 1 .

[0030] The conductive end cap assembly 6 includes a conductive member 9 and a roller bracket 10. Optionally, the conductive member 9 and the roller bracket 10 can be integrally formed. The roller bracket 10 is located between the conductive member 9 and the box body 1, and a developing positioning hole 100 and an escape portion 101 are provided on the roller bracket 10. One end of the developing roller 2 can be rotatably supported in the developing positioning hole 100.

[0031] The conductive member 9 is provided with a developing positioning portion 11, a power supply portion 12, a powder feeding positioning portion 13, a fixing portion 14 and a guide slope 15. The guide slope 15 and the developing positioning portion 11 are arranged to be opposite to each other. The powder feeding positioning portion 13 and the developing positioning portion 11 are both electrically connected to the power supply portion 12. The axis of the powder feeding positioning portion 13 is arranged parallel to the axis of the developing positioning portion 11. The powder feeding positioning portion 13 is provided with an exhaust hole 131. The power supply portion 12 and the guide slope 15 are both located on the end wall of the first end of the conductive member 9. Preferably, the guide slope 15 is coplanar with the power supply portion 12. The powder feeding positioning portion 13 has a first mounting port 130, and the developing positioning portion 11 has a second mounting port 110. The first mounting port 130 and the second mounting port 110 are both facing the second end of the conductive member 9. The second end of the conductive member 9 is closer to the box body 1 relative to the first end.

[0032] Alternatively, the guide slope 15 may have a certain slope, and in the direction from the power supply unit 12 to the guide slope 15, the guide slope 15 is inclined toward the second end of the conductive member 9. As long as the printer's stylus can smoothly transition from the guide slope 15 to the power supply unit 12 during the installation of the powder box to the printer, the portion of the guide slope 15 close to the power supply unit 12 abuts against the printing stylus.

[0033] The conductive member 9 is also provided with an extension portion 16, which is electrically connected to the power supply portion 12, and is arranged coplanar with the power supply portion 12, and the extension portion 16 extends outward from the edge of the power supply portion 12. The extension portion 16 is located at a second end of the conductive member 9 away from the powder feeding positioning portion 13, and the conductive member 9 is provided with a hollow groove 160, which is located on a side of the conductive member 9 away from the extension portion 16. This can effectively save materials.

[0034] In this embodiment, the developing positioning portion 11 is a developing cavity on the conductive member 9. One end of the developing roller 2 extends into the developing cavity through the second mounting port 110 and is electrically connected to the developing cavity. The powder feeding positioning portion 13 passes through the avoidance portion 101 and extends toward the box body 1. The powder feeding positioning portion 13 is a powder feeding cavity. One end of the powder feeding roller 3 extends into the powder feeding cavity from the first mounting port 130. The end of the powder feeding roller 3 is electrically connected to the powder feeding positioning portion 13.

[0035] Optionally, the end of the developing roller is electrically connected to the developing positioning portion via a conductive spring.

[0036] The above embodiments are only preferred examples of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made according to the structure, characteristics and principles of the patent application scope of the present invention should be included in the scope of the patent application of the present invention.

Claims

1. A conductive member for a powder box, the conductive member being an integrated structure, the conductive member comprising a developer positioning portion, a power supply portion and a fixing portion, the power supply portion being located on an end wall of a first end of the conductive member; Features: The conductive member further comprises a powder feeding positioning portion and a guiding inclined surface; The powder feeding positioning part and the developing positioning part are both electrically connected to the power supply part; The powder feeding positioning portion has a first mounting opening, and the developing positioning portion has a second mounting opening, and both the first mounting opening and the second mounting opening face the second end of the conductive member; The guiding inclined surface smoothly transitions with the power supply part; The guide slope is inclined in a direction from the second end to the first end, from a side close to the developing positioning portion to a side close to the power supply portion.

2. The conductive member for a powder box according to claim 1, characterized in that: The axis of the powder feeding positioning portion is arranged parallel to the axis of the developing positioning portion.

3. The conductive member for a powder box according to claim 2, characterized in that: The power supply portion is arranged coplanar with the guiding inclined surface.

4. The conductive member for a powder box according to any one of claims 1 to 3, characterized in that: The conductive member is also provided with an extension portion, the extension portion is electrically connected to the power supply portion, the extension portion and the power supply portion are arranged on the same plane, and the extension portion extends outward from the edge of the power supply portion.

5. The conductive member for a powder box according to claim 4, characterized in that: The extension portion is located away from the second end of the conductive member relative to the powder feeding positioning portion. The conductive member is provided with a hollow groove, and the hollow groove is located on a side of the conductive member away from the extension portion.

6. The conductive member for a powder box according to any one of claims 1 to 3, characterized in that: The powder feeding positioning portion is provided with an exhaust hole.

7. The powder box comprises a box body, wherein a receiving cavity for receiving the developer is provided in the box body, and a powder outlet communicating with the receiving cavity is provided on the box body; A developing roller, the developing roller being arranged at the powder outlet; A powder feeding roller, the powder feeding roller is rotatably supported on the box body and abuts against the developing roller; A conductive end cap assembly, the conductive end cap assembly being arranged at a conductive end of the box body; Features: The conductive end cap assembly comprises the conductive member according to any one of claims 1 to 6.

8. A powder box according to claim 7, characterized in that: The conductive end cap assembly further comprises a roller bracket, the roller bracket is provided with a avoidance portion and a developer positioning hole, one end of the developer roller is rotatably supported in the developer positioning hole, and the developer roller is electrically connected to the developer positioning portion; The powder feeding positioning portion passes through the avoidance portion and extends toward the box body, one end of the powder feeding roller extends into the powder feeding positioning portion from the first installation opening, and the powder feeding roller is electrically connected to the powder feeding positioning portion.

9. A powder box according to claim 8, characterized in that: The developing roller is electrically connected to the developing positioning portion through a conductive spring.

10. A powder box according to claim 8, characterized in that: The end portion of the developing roller extends from the second mounting opening into the developing positioning portion.

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