Driving assembly, roller and processing box

Abstract

The invention provides a driving assembly, a roller and a processing box. The driving assembly comprises a gear seat, a connection piece and a driving force receiving piece, wherein a containing cavity which is concave inwards is formed on the gear seat along the axial direction; the connection piece is mounted in the containing cavity; the driving force receiving piece comprises an inner end part, an outer end part and a rod body part connected between the inner end part and the outer end part; the driving part is connected with the inner end part; the inner end part drives the driving part to rotate around the axis of the connection part; the containing cavity comprises a driven power receiving part arranged at the bottom of the containing cavity and a limiting groove formed in one end part of the containing cavity; the driven power receiving part is connected with a driven part; the driven power receiving part is driven to rotate around the axis of the gear seat by the driven part; the driving assembly further comprises a positioning assembly mounted in the limiting groove; the driving assembly further comprises a positioning assembly mounted in the limiting groove and a rod body part penetrates through the positioning assembly and can do reciprocating sliding relative to the positioning assembly. The invention provides the roller and the processing box which are provided with the driving assembly. The driving assembly, the roller and the processing box have the advantages of being reliable in performance, stable in falling, stable to work and the like.

Description

technical field [0001] The invention relates to the field of printing consumables, in particular to a driving assembly, a roller and a process box constructed by using the driving assembly. Background technique [0002] A process cartridge is usually used in an image forming device as a toner supply source for image forming, and most existing process cartridges can be detachably installed in the image forming device for use. [0003] Usually, many rotating working rollers in the process box, such as powder feeding roller, developing roller and photosensitive drum, etc., they are commonly called rollers, and transmit power to each other through a gear system. Currently, the process cartridge has two structures. The first kind of integrated process cartridge as disclosed in U.S. patent document US5815644, the integrated process cartridge has a photosensitive drum, a developing roller, a cleaning device and a charging device, etc.; The one-piece process cartridge includes a d...

AI Technical Summary

Problems solved by technology

[0006] However, the above-mentioned drive assembly adopts a drive combination structure of a spherical universal joint. When the process box or imaging device equipped with this drive assembly is transported, this drive assembly is easy to break away from the process box or image forming device, resulting in photosensitive Drum or developing roller cannot receive driving force, resulting in malfunction

[0007] Moreover, since the above-mentioned drive assembly swings randomly in a non-stressed state, when installing or dismounting the drive shaft, it is easy to cause the drive assembly and the drive shaft to be locked together, and even cause the drive assembly and the drive shaft to be locked. damage that prevents the process cartridge or imaging unit from functioning properly

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