Conductive part for powder box and powder box

Abstract

The utility model provides a powder box and a conductive member thereof, the conductive member is an integrated structure, the conductive member 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 member; 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 utility model relates to printing supplies technical field, concretely relates to a conductive part for powder box and powder box. BACKGROUND

[0002] Electronic photographic imaging equipment (such as laser printer) is indispensable office equipment in daily work, study, and it is a kind of equipment that forms image on image forming medium (such as paper) by at least charging, exposure, development, transfer, fixing, cleaning process using electronic photographic principle, and the material device of printing supplies used on electronic photographic imaging equipment is generally called processing box.

[0003] But the current developing roller electrode and powder feeding roller electrode are located on different parts, and are powered separately to developing roller and powder feeding roller, which leads to more conductive material consumption, higher cost, and the surface of developing electrode and printer contact point abutment is composed of multiple surfaces and presents ladder shape, which leads to smaller contact area of developing electrode and printer stylus in installation process, and easily causes out-of-position contact, and the ladder-shaped structure easily causes jam in sliding contact process of developing electrode and printer stylus, and easily damages printer stylus structure. SUMMARY

[0004] The first object of the utility model is to provide a conductive part for powder box with high conductive stability.

[0005] The second object of the utility model is to provide a powder box comprising the conductive part.

[0006] In order to realize the above-mentioned first object, the conductive part provided by the utility model is of one-piece structure, comprising a developing positioning part, a power supply part and a fixing part, the power supply part is located on the end wall of the first end of the conductive part, the conductive part further comprises a powder feeding positioning part and a guide slope, the powder feeding positioning part and the developing positioning part are electrically connected with the power supply part, the powder feeding positioning part has a first mounting port, the developing positioning part has a second mounting port, the first mounting port and the second mounting port are both towards the second end of the conductive part, the guide slope is smoothly connected 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 obliquely arranged from the second end to the first end.

[0007] As can be seen from the above, by setting the powder feeding positioning part, the powder feeding roller can be directly positioned and supported, the conductive structure and its production process are simplified, the production cost is reduced, the carbon powder charging is more uniform, the guide slope and the power supply part are smoothly connected, the jamming condition in the sliding contact process of the developing electrode and the printer stylus in the installation process is reduced, the transition is smoother, the damage to the printing stylus is reduced, and the processing difficulty of the developing electrode is reduced.

[0008] Further, the axis of the powder feeding positioning part is parallel to the axis of the developing positioning part.

[0009] Further, the power supply part is coplanar with the guide slope.

[0010] As can be seen, the power supply part is coplanar with the guide slope, which can further improve the smoothness of the contact between the conductive part and the printer stylus during the installation process and the printing process, and further increase the contact area with the printing stylus, thereby further reducing the damage to the printer stylus.

[0011] Further, the conductive part is further provided with an extension part, the extension part is electrically connected with the power supply part, the extension part is coplanar with the power supply part, and the extension part extends outward from the edge of the power supply part.

[0012] As can be seen, the extension part is provided and coplanar with the power supply part, which can further improve the contact area between the conductive part and the stylus of the printer, and effectively improve the universality of the stylus arrangement of different printers.

[0013] Further, the extension part is away from the second end of the conductive part relative to the powder feeding positioning part, the conductive part is provided with a hollow groove, and the hollow groove is located on the side of the conductive part away from the extension part.

[0014] As can be seen, the extension part is away from the second end of the conductive part relative to the powder feeding positioning part, and the conductive part is provided with a hollow groove, which can reduce the material and production cost while improving the conductivity and universality.

[0015] Further, the powder feeding positioning part is provided with an exhaust hole.

[0016] As can be seen, the exhaust hole provided on the powder feeding positioning part prevents the conductive paste and other materials smeared on the powder feeding roller from being squeezed out when the powder feeding roller is connected, so that the conductivity is reduced, thereby causing problems in the printing process.

[0017] In order to achieve the above-mentioned second purpose, the powder box provided by the utility model comprises a box body, a developing roller, a powder feeding roller, a conductive end cover assembly, the box body is provided with a containing cavity for containing a developer, the box body is provided with a powder outlet communicated with the containing 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, and the conductive end cover assembly comprises the conductive part in any one of the above-mentioned aspects.

[0018] Further, the conductive end cover assembly further comprises a roller support, the roller support is provided with a avoiding part and a developing positioning hole, one end of the developing roller is rotatably supported on the developing positioning hole, and the developing roller is electrically connected with the developing positioning part.

[0019] As can be seen, the avoiding part provided on the roller support can reduce material loss, and the powder feeding roller is directly positioned and electrically connected through the powder feeding positioning part, so that the structure is simplified, the production difficulty is reduced, and the assembly efficiency is improved.

[0020] Further, the developing roller is electrically connected with the developing positioning part through a conductive spring.

[0021] Further, the developing roller end extends into the developing positioning part from the second mounting port.

[0022] As can be seen, the conductive part of the powder box can effectively improve the conductive performance, simplify the structure, and make the installation more smooth after being assembled on the powder box, reduce the damage to the printer stylus, and has good universality. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a structural diagram of a powder box embodiment of the utility model.

[0024] Figure 2 is a partial exploded view of a powder box embodiment of the utility model.

[0025] Figure 3 is a structural diagram of the first perspective of the conductive part of the powder box embodiment of the utility model.

[0026] Figure 4 is a structural diagram of the second perspective of the conductive part of the powder box embodiment of the utility model.

[0027] Figure 5 is a structural diagram of the third perspective of the conductive part of the powder box embodiment of the utility model.

[0028] Figure 6 is a structural diagram of the fourth perspective of the conductive part of the powder box embodiment of the utility model. DETAILED DESCRIPTION

[0029] Referring to Figures 1 to 6The powder box provided by the embodiment comprises 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. The box body 1 is internally provided with a containing cavity (not shown in the figure) for containing the developer. The box body 1 is provided with a powder outlet 8 communicating with the containing cavity 7. The developing roller 2 is arranged at the powder outlet 8. The developing roller 2 delivers the developer to a photosensitive drum (not shown in the figure). The powder feeding roller 3 and the stirring frame 4 are both rotatably arranged on the box body 1. The powder feeding roller 3 is in abutment with the developing roller 2. Optionally, the stirring frame 4 can not be arranged. If a roller with magnetism is used as the developing roller 2, the powder feeding roller 3 can not be arranged. The powder feeding roller 3 and the stirring frame 4 deliver the developer to the developing roller 2. The driving end cover 5 is arranged at the driving end of the box body 1. A driving cavity 50 is arranged between the driving end cover 5 and the box body 1. The driving assembly is arranged in the driving cavity 50. A driving member in the printer drives the driving assembly to move. 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 cover assembly 6 comprises a conductive member 9 and a roller support 10. Optionally, the conductive member 9 and the roller support 10 can be integrally formed. The roller support 10 is located between the conductive member 9 and the box body 1. The roller support 10 is provided with a developing positioning hole 100 and a relief portion 101. One end of the developing roller 2 is selectively 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 inclined surface 15. The guide inclined surface 15 is arranged opposite to the developing positioning portion 11. The powder feeding positioning portion 13 and the developing positioning portion 11 are electrically connected with the power supply portion 12. The axis of the powder feeding positioning portion 13 is 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 inclined surface 15 are both located on the end wall of the first end of the conductive member 9. Preferably, the guide inclined surface 15 is coplanar with the power supply portion 12. The powder feeding positioning portion 13 is provided with a first mounting opening 130. The developing positioning portion 11 is provided with a second mounting opening 110. The first mounting opening 130 and the second mounting opening 110 are both directed to the second end of the conductive member 9. The second end of the conductive member 9 is closer to the box body 1 than the first end.

[0032] Optionally, the guide inclined surface 15 can have a certain slope. In the direction from the power supply portion 12 to the guide inclined surface 15, the guide inclined surface 15 is inclined towards the second end of the conductive member 9. As long as the process of mounting the powder box to the printer is smooth, the stylus of the printer can smoothly transition from the guide inclined surface 15 to the power supply portion 12. The part of the guide inclined surface 15 close to the power supply portion 12 is in abutment with the printing stylus.

[0033] The conductive part 9 is further provided with an extension part 16, the extension part 16 is electrically connected with the power supply part 12, the extension part 16 is arranged in a plane with the power supply part 12, and the extension part 16 extends outward from the edge of the power supply part 12. The extension part 16 is away from the second end of the conductive part 9 relative to the powder feeding positioning part 13, and the conductive part 9 is provided with a hollow groove 160 located on the side of the conductive part 9 away from the extension part 16. The material can be effectively saved.

[0034] In the embodiment, the developing positioning part 11 is a developing cavity on the conductive part 9. One end of the developing roller 2 extends into the developing cavity through the second mounting port 110 and is electrically connected with the developing cavity. The powder feeding positioning part 13 extends towards the box body 1 through the avoiding part 101, the powder feeding positioning part 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, and the end of the powder feeding roller 3 is electrically connected with the powder feeding positioning part 13.

[0035] Alternatively, the end of the developing roller is electrically connected with the developing positioning part through a conductive spring.

[0036] The above embodiment is only a preferred example of the present application, and does not limit the scope of the present application. Therefore, equivalent changes or modifications made according to the structure, features and principles of the present application should be included in the scope of the present application.

Claims

1.A conductive piece for a toner cartridge, the conductive piece being of an integral structure, the conductive piece comprising a developing 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 piece. Characterized in that: the conductive piece further comprises a toner feeding positioning portion and a guide slope; the toner feeding positioning portion and the developing positioning portion are electrically connected with the power supply portion; the toner feeding positioning portion has a first mounting opening, the developing positioning portion has a second mounting opening, and the first mounting opening and the second mounting opening are both directed towards a second end of the conductive piece; the guide slope is smoothly connected with the power supply portion; from a side close to the developing positioning portion to a side close to the power supply portion, the guide slope is obliquely arranged from the second end to the first end. 2.The conductive piece for a toner cartridge according to claim 1, characterized in that: an axis of the toner feeding positioning portion is arranged in parallel with an axis of the developing positioning portion. 3.The conductive piece for a toner cartridge according to claim 2, characterized in that: the power supply portion is arranged in a same plane with the guide slope. 4.The conductive piece for a toner cartridge according to any one of claims 1 to 3, characterized in that: a spreading portion is further arranged on the conductive piece, the spreading portion is electrically connected with the power supply portion, the spreading portion is arranged in a same plane with the power supply portion, and the spreading portion extends outward from an edge of the power supply portion. 5.The conductive piece for a toner cartridge according to claim 4, characterized in that: the spreading portion is away from the second end of the conductive piece relative to the toner feeding positioning portion, a hollow groove is arranged on the conductive piece, and the hollow groove is located on a side of the conductive piece away from the spreading portion. 6.The conductive piece for a toner cartridge according to any one of claims 1 to 3, characterized in that: an air vent hole is arranged on the toner feeding positioning portion. 7.A toner cartridge, the toner cartridge comprising a cartridge body, a containing cavity for containing a toner is arranged in the cartridge body, and a toner outlet is arranged on the cartridge body and communicates with the containing cavity; a developing roller is arranged at the toner outlet; a toner feeding roller is rotatably supported on the cartridge body and abuts against the developing roller; a conductive end cap assembly is arranged at a conductive end of the cartridge body. Characterized in that: the conductive end cap assembly comprises the conductive piece according to any one of claims 1 to 6. 8.The toner cartridge according to claim 7, characterized in that: the conductive end cap assembly further comprises a roller support, an avoiding portion and a developing positioning hole are arranged on the roller support, one end of the developing roller is rotatably supported on the developing positioning hole, and the developing roller is electrically connected with the developing positioning portion; the toner feeding positioning portion extends towards the cartridge body through the avoiding portion, one end of the toner feeding roller extends into the toner feeding positioning portion from the first mounting opening, and the toner feeding roller is electrically connected with the toner feeding positioning portion. 9.The toner cartridge according to claim 8, characterized in that: the developing roller is electrically connected with the developing positioning portion through a conductive spring. 10.The toner cartridge according to claim 8, characterized in that: The developing roller end portion protrudes into the developing positioning portion from the second mounting port.

Images