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Photosensitive drum driving head and image forming device driving mechanism

A photosensitive drum drive head and drive head technology, which is applied to the electrical recording process using the charge pattern, the equipment and optics of the electric recording process using the charge pattern, and can solve the problem of high accuracy of the twist angle

Inactive Publication Date: 2013-07-31
NINESTAR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The invention provides a photosensitive drum driving head and an image forming device driving mechanism to solve the technical problem that the existing photosensitive drum driving head requires high accuracy of the twisting angle due to the cooperation between the twisted convex platform and the twisted concave

Method used

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  • Photosensitive drum driving head and image forming device driving mechanism
  • Photosensitive drum driving head and image forming device driving mechanism
  • Photosensitive drum driving head and image forming device driving mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Figure 7 and Figure 8 are respectively a three-dimensional schematic diagram and a top view of the driving head of the image forming device. It can be seen from the figure that the driving head 20 of the image forming device includes: a groove 11 with an equilateral triangular cross-section, which is arranged at the three vertices of the triangle and has a twisted power structure. The transmission part 11a and the limiting part 11b located on the three sides of the triangle; the power transmission part 11a includes a twisted slope 11a1 and an introduction slope 11a2. Depend on Figure 7 It can be seen from the top view that the twisted slope 11a1 is invisible, the angle between the twisted slope 11a1 and the bottom surface of the groove is less than 90°, and the top of the twisted slope 11a1 includes an edge 11a3; The included angle of the bottom surface of the groove is larger than 90°. The drive head of the image forming device is connected with the motor in the ...

Embodiment 2

[0062] Such as Figure 11 and Figure 12 Shown are respectively the perspective view and the front view of the photosensitive drum driving head adopted in this embodiment, Figure 13 It is a top view of the assembly of the photosensitive drum driving head and the image forming device driving head used in this embodiment. The image forming device driving head described in this embodiment adopts the image forming device driving head mentioned in Embodiment 1, and the description will not be repeated. . As known from the figure, the photosensitive drum drive head includes: a drum flange 2 fixedly connected to the end of the photosensitive drum 1, axially extending from the end of the drum flange 2, and used to rotatably support the photosensitive drum during the operation of the process cartridge The drum shaft 3 of 1 axially protrudes from the end face of the drum shaft 3 and is used to receive the driving force from the image forming device drive head 20. The cylindrical boss...

Embodiment 3

[0066] Those of ordinary skill in the art can easily imagine that among the two convex teeth, one is set as a helical tooth and the other is a straight tooth, which can also achieve the same technical effect. Figure 16 It is a three-dimensional schematic diagram of the photosensitive drum driving head used in this embodiment. It can be seen from the figure that the helical teeth 4a are obliquely arranged on the side wall 4b of the boss, and the straight teeth 4c are vertically arranged on the side wall 4b.

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Abstract

The invention relates to a photosensitive drum driving head. The photosensitive drum driving head comprises a drum flange, a drum shaft and a boss, wherein the drum flange is arranged at the end part of the photosensitive drum and connected with the photosensitive drum; the drum shaft axially extends out from the end part of the drum flange; the boss axially extends out from the end face of the drum shaft and is matched with a groove in the driving head of an image forming device; the side wall of the boss is provided with three straight double wedges which extend along the radial direction of the boss and are matched with a power transmission part; the straight double wedges are perpendicular to the drum shaft and extend along the direction of the axis of the photosensitive drum; each straight double wedge is provided with a meshed face; the meshed faces are formed by longitudinal corner cuts on the end faces of the straight double wedge; and at least one meshed face is meshed with the seamed edge on the distorted slope of the groove to transfer power. The technical problem of high requirement on the precision of a distorted angle in the cause that the distorted boss is matched with the distorted groove is solved.

Description

technical field [0001] The invention relates to a photosensitive drum driving head and an image forming device driving mechanism. Background technique [0002] The existing image forming device is provided with a motor, an image forming device drive head and a process box, the process box is detachably installed in the image forming device, and the process box is provided with a photosensitive drum and a photosensitive drum drive fixedly connected to the end of the photosensitive drum. head; during the working process of the image forming device, the motor generates power, and through the cooperation of the image forming device driving head and the photosensitive drum driving head, the power is transmitted to the process box, so that the photosensitive drum on the process box rotates. [0003] Such as figure 1 , 2 As shown, one end of the photosensitive drum 7 is fixedly provided with a photosensitive drum driving head, the photosensitive drum driving head includes a conve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G15/00
Inventor 吴俊中彭庆菲曹建新刘金莲
Owner NINESTAR CORP
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