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Power transmission mechanism and processing box containing the same

A technology of a power transmission mechanism and a limit mechanism, which is applied to the electric recording process applying charge patterns, the equipment of the electric recording technology applying charge patterns, electric recording techniques, etc. Achieving the effect of reducing manufacturing accuracy

Inactive Publication Date: 2014-04-30
NINESTAR CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The invention provides a power transmission mechanism to solve the technical problem that the existing power transmission mechanism is affected by the wear of the force-bearing mechanism due to excessive pressure in the process of meshing with the groove, which affects the engagement of the meshing protrusion and the groove

Method used

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  • Power transmission mechanism and processing box containing the same
  • Power transmission mechanism and processing box containing the same
  • Power transmission mechanism and processing box containing the same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Such as Figure 7 As shown, a power transmission mechanism includes a photosensitive drum driving head, the photosensitive drum driving head engages with the image forming device driving head and receives power from the image forming device driving head, the image forming device driving head is provided with a groove, and the photosensitive drum The drive head includes: a protrusion protruding axially from the end face of the photosensitive drum shaft; the protrusion and the groove are limited by a mutual contact limiting mechanism, and the power is transmitted through a force-bearing mechanism. The protrusion is a cylinder inscribed with the groove , the limit mechanism is the contact part between the outer surface of the inscribed cylinder and the inscribed wall of the groove, the contact part is the supporting disc 27a2, and the force-bearing mechanism is the receiving part set on the inscribed cylinder that can enter the inner vertex of the groove Force column 27a1....

Embodiment 2

[0057] Such as Figure 9 As shown, in order to increase the contact area between the stressed column 27a1' and the groove 18a, and reduce the deformation of the stressed column 27a1' due to excessive local pressure, the contact part between the stressed column 27a1' and the edge of the groove 18a It is set as a slope, and the slope of the slope is basically the same as the slope of the edge of the groove;

Embodiment 3

[0059] Such as Figure 10a As shown, the groove 18a' is a regular quadrilateral, and the supporting disc 27a2 engages with the four edges of the groove 18a' to ensure that the center of the protrusion 27a coincides with the center of the groove 18a'; One edge of the groove engages to transmit power from the groove 18a';

[0060] Such as Figure 10b As shown, the groove 18a "is a regular pentagon, and the supporting disc 27a2 engages with the five edges of the groove 18a "; the force column 27a1 engages with one edge of the groove in the groove 18a ", 18a” to transmit power;

[0061] It can be seen from this that the protrusions of the same structure can be used in grooves of different shapes;

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Abstract

A power transfer mechanism includes a drive head (27) of a photosensitive drum (7). The drive head (27) of the photosensitive drum (7) engages with the drive head (18,28) of an image forming device for receiving power. The drive head (18,28) of the image forming device is provided with a groove (18a,18a',18a'',28a). The drive head (27) of the photosensitive drum (7) is provided with a protrusion (27a,37a,47a,57a,27b,37b,47b) extending from the shaft end of the photosensitive drum (7) axially. The protrusion (27a,37a,47a,57a,27b,37b,47b) and the groove (18a,18a',18a'',28a) are in contact with each other by a position limit mechanism (27a2,37a2,37a3,47a2,57a2,27b3,28a2,37b3,47b3) for limiting position. The power is transferred between the protrusion (27a,37a,47a,57a,27b,37b,47b) and the groove (18a,18a',18a'',28a) by a forced mechanism (27a1,27a1',37a1,47a1,57a1,27b1,37b1). The position limit mechanism (27a2,37a2,37a3,47a2,57a2,27b3,28a2,37b3,47b3) and the forced mechanism (27a1,27a1',37a1,47a1,57a1,27b1,37b1) are in different positions.

Description

technical field [0001] The present invention relates to an image forming device, such as a laser printer, a copier, etc., in particular to a power transmission mechanism used in the image forming device and a process box using the mechanism; Background technique [0002] The existing image forming device is provided with a motor, a concave connecting shaft 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; during the working process of the image forming device, the motor generates power, And the power is transmitted to the process box through the concave connecting shaft, 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 power transmission mechanism, the power transmission mechanism includes a convex connecting shaft 17, and the convex connecting shaft 17 is provide...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03G15/00G03G21/18
CPCG03G15/757
Inventor 梁军
Owner NINESTAR CORP