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A one-way clutch for clearance adjustment

A one-way clutch and clearance adjustment technology, applied in one-way clutches, clutches, slack adjusters, etc., can solve the problems of low efficiency, easy failure of one-way clutches, slow response, etc., and achieve low-cost effects.

Active Publication Date: 2016-05-11
深圳市大为创新科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The problem to be solved by the present invention is that the existing one-way clutch has the defects of easy failure, slow response and low efficiency, and provides a one-way clutch for gap adjustment, which has fast response and long service life

Method used

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  • A one-way clutch for clearance adjustment
  • A one-way clutch for clearance adjustment

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Embodiment

[0028] Please refer to figure 1 , a one-way clutch for gap adjustment according to the present invention, which includes a driving ring 1, a main shaft 2 is coaxially arranged in the driving ring, and the main shaft 2 includes a first part 3, a second part 4 and a third part 5, Its diameter increases sequentially. A transition ring 6 is provided between the main shaft 2 and the driving ring 1, and a housing cavity 8 is arranged inward along its end, thereby dividing it into an inner ring 9 and an outer ring 10, and the two are connected by the top of the transition ring 6 together.

[0029] The driving ring 1 is provided with a first step 16 in the direction of its axis, and the outer ring 10 of the transition ring 6 is located above the first step 16 and is in clearance fit with the driving ring 1 .

[0030] A one-way bearing 11 is provided between the inner ring 9 and the first part 3 of the main shaft 2 , and the one-way bearing 11 is in interference fit with the inner ri...

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Abstract

The invention relates to the field of one-way clutches, and particularly discloses a one-way clutch used for clearance adjustment. The one-way clutch comprises a driving ring and a main shaft coaxially arranged in the driving ring, wherein the main shaft comprises a first part, a second part and a third part, and the diameter of the first part, the diameter of the second part and the diameter of the third part become larger in sequence. A transition ring and an overload spring are arranged between the main shaft and the driving ring, a containing cavity is formed inwards in the end of the transition ring and divides the transition ring into an inner ring and an outer ring, the outer ring is in clearance fit with the driving ring, part of the overload spring is arranged in the containing cavity, the other part of the overload spring is in interference fit with the driving ring, and a one-way bearing is arranged between the inner ring and the first part of the main shaft. A stop block is arranged between one end of the overload spring and the end of the third part of the main shaft, a wedge-shaped notch is formed in the corner, between the third part of the main shaft and the driving ring, of the stop block and faces toward the driving ring, and a check ring is arranged in the wedge-shaped notch. The one-way clutch used for the clearance adjustment has the advantages of being high in sensitivity and efficiency, not prone to losing efficacy and low in use cost.

Description

technical field [0001] The invention relates to the field of one-way clutches, in particular to a one-way clutch used for clearance adjustment. Background technique [0002] Pneumatic disc brakes need to ensure that the gap between the friction material and the brake disc is stable in normal operation. After a long period of use, the friction material will wear out, so an adjustment mechanism is needed to realize the compensation of the gap. Maintain the stability of the gap value, realize the stable output of the braking force, and ensure the safety of the vehicle. [0003] An existing one-way clutch for gap adjustment realizes the one-way clutch effect through an overload spring and a driven spring. In this structure of a one-way clutch for gap adjustment, the one-way element needs an overload spring as a The overload protection mechanism protects it, otherwise it will be damaged and invalidated by excessive torque. The overload spring is interference-pressed in the acti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D65/52F16D41/064
Inventor 朱俊恒蔡宙王静
Owner 深圳市大为创新科技股份有限公司
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