Anti-backlash gear

A gear and anti-backlash technology, used in belts/chains/gears, transmission parts, mechanical equipment, etc., can solve the problems of troublesome, time-consuming and complicated structure of anti-backlash gear processing, and achieve the improvement of NVH level and the optimization of the overall structure. , a wide range of effects

Inactive Publication Date: 2014-04-23
GREAT WALL MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide an anti-backlash gear to overcome the gap in the prior art due to the need to adjust the circumferential position of the two gears first and then fix the two gears due to the misalignment angle of the two gears. Trouble, time-consuming and labor-intensive, complex structure and other issues

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The middle hub includes a disc 7, a central cylinder 5 passing through the center of the disc 7, and a first locking projection and a second locking projection respectively arranged on both sides of the disc 7; The two ends pass through the center holes of the first side gear 2 and the second side gear 9 respectively, and the two ends of the central cylinder 5 pass through the first side gear 2 and the second side gear 9 respectively pass through the half-ring retaining spring 1 And the semi-circular circlip 10 is clamped with the first side gear 2 and the second side gear 9, so that the first side gear 2, the middle hub and the second side gear 9 are connected together, and the central cylinder 5 can be inserted into the transmission shaft , the transmission shaft drives the entire anti-backlash gear to rotate through the central cylinder 5; the first locking protrusion and the second locking protrusion are six triangular protrusions 6 evenly distributed along the circu...

Embodiment 2

[0032] In this embodiment, the first locking protrusion and the second locking protrusion are four circular protrusions uniformly distributed along the circumferential direction on the disc, and the first locking protrusion and the second locking protrusion The structures of the locking protrusions are the same, but the positions of the four circular protrusions of the first locking protrusion and the positions of the four circular protrusions of the second locking protrusion are in the circumferential direction of the disk. Relatively misaligned. The first locking notch and the second locking notch are respectively corresponding to the structure of the first locking protrusion and the second locking protrusion, and the first elastic washer and the second elastic washer are respectively corresponding to the first The shape of the locking notch corresponds to that of the second locking notch.

[0033] The anti-backlash gear of this embodiment can also achieve the effect of Emb...

Embodiment 3

[0036] In this embodiment, the first locking protrusion and the second locking protrusion are three elongated protrusions extending outward from the central cylinder of the intermediate hub on the disc and evenly distributed along the circumferential direction. , the structure of the first locking protrusion is the same as that of the second locking protrusion, but the positions of the three elongated protrusions of the first locking protrusion are the same as those of the second locking protrusion The positions of the three circular bumps are relatively misaligned in the circumferential direction of the disc. The first locking notch and the second locking notch are respectively corresponding to the structure of the first locking protrusion and the second locking protrusion, and the first elastic washer and the second elastic washer are respectively corresponding to the first The shape of the locking notch corresponds to that of the second locking notch.

[0037] The anti-bac...

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Abstract

The invention relates to the technical field of power transmission and particularly discloses an anti-backlash gear. The anti-backlash gear comprises a first side gear, a second side gear and a middle hub, wherein two sides of the middle hub are provided with a first clamping convex block and a second clamping convex block, the first side gear is provided with a first clamping concave opening corresponding to the first clamping convex block, the second side gear is provided with a second clamping concave opening corresponding to the second clamping convex block, the first side gear is connected on one side of the middle hub through matching of the first clamping concave opening and the first clamping convex block, the second side gear is connected on the other side of the middle hub through matching of the second clamping concave opening and the second clamping convex block, and the first side gear and the second side gear are relatively staggered in the peripheral direction. Two side gears of the anti-backlash gear can be directly assembled through the middle hub in a staggered mode, the time and labor are saved, and the anti-backlash gear is simple and compact in structure and small in occupied space while the purpose of eliminating gear backlashes is achieved.

Description

technical field [0001] The invention relates to the technical field of power transmission, in particular to an anti-backlash gear. Background technique [0002] The NVH (noise, vibration and harshness) performance of the automotive power transmission system is one of the main indicators for evaluating the NVH performance of the vehicle. impact is particularly prominent. [0003] In order to eliminate the gap between the meshing gear teeth and reduce the knocking noise of the gearbox, anti-backlash gears came into being. The anti-backlash gears in the prior art generally adopt a rigid adjustment structure or a flexible adjustment structure. In the rigid adjustment structure, the misalignment angle of the two misaligned gears used to eliminate the backlash cannot be adjusted. In the flexible adjustment structure, a Spring to achieve the purpose of adjusting the misalignment angle. [0004] These two kinds of anti-backlash gears in the prior art all have certain defectives. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H57/12
CPCF16H57/12F16H57/028F16H2057/125
Inventor 韩川波陈晓峰靳少辉李泞原苏航高祥祥
Owner GREAT WALL MOTOR CO LTD
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