Bidirectional clutch

A two-way clutch and star wheel technology, applied in the field of clutches, can solve the problems of difficult processing, poor reliability, inability to drive the star wheel 10 and circuit breakers, etc., and achieve the effect of reducing production costs and simple processing

Active Publication Date: 2012-09-19
JIANGNAN YIFAN MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Once the sleeve 16 and the spring hole of the star wheel have burrs or the spring 15 is fatigued or worn too much, the sleeve 16 will be stuck when stretching and cannot make the roller 12 tight on the wedge 14 of the star wheel 10, so that when the motor is powered The sprocket 11 will run idly, so it cannot drive the star wheel 10 and the main shaft of the circuit breaker to move
poor reliability
[0005] 2. S

Method used

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Embodiment Construction

[0020] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0021] see Figure 3 to Figure 5 As shown, in this embodiment, a two-way clutch includes a star wheel 20 and a sprocket 21 that is coaxially assembled outside the star wheel 20 in a relatively rotatable manner. Two grooves 23 for accommodating the rollers 22 are processed in the grooves 23 with a wedge 24, and rollers 22 are arranged on both sides of the wedge 24, and the side walls of the grooves 23 are adjacent to the grooves. A coil spring 25 is arranged between the rollers 22 of the side wall, and the driving rod 27 of the shift fork 26 is arranged between the two rollers 22 in the groove 23, and two shift needles 28 are installed on the shift fork 26, Two clamping holes 29 are processed on the wheel surface of the star wheel 20 corresponding to the setting pins 28 , and the setting pins 28 are ...

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Abstract

The invention discloses a bidirectional clutch, which comprises a star wheel and a chain wheel that is coaxially assembled outside the star wheel in a relative rotation way, wherein the edge of the star wheel is provided with at least one groove for accommodating rollers; an oblique wedge is machined in the groove; the rollers are arranged on both sides of the oblique wedge; an elastic component is arranged between the side wall of the groove and the roller close to the side wall; a poking rod of a poking fork is arranged between two rollers in the groove; the poking fork is also provided with at least one poking pin; clamping holes are formed in a wheel face of the star wheel corresponding to the poking pins; and the poking pins are inserted into the clamping holes. Compared with the prior art, the bidirectional clutch has the advantages of preventing a spring hole from being formed in the side wall of the groove, reducing the production cost, saving a sleeve, getting the spring in direct contact with the side wall of the groove and the rollers, additionally arranging the poking pins on the poking fork and poking the star wheel through the poking pins, along with simplicity in machining, convenience in mounting and high safety and reliability.

Description

technical field [0001] The invention relates to a clutch, in particular to a two-way clutch used in an electric operating mechanism of a circuit breaker. Background technique [0002] In the circuit breaker switch of distribution appliances, an electric operating mechanism with a two-way clutch is often used. The purpose of this operating mechanism is to use the motor to drive the deceleration mechanism to output torque or force when the control circuit is powered off, and to control the circuit breaker. Closing and opening operation; when the control circuit is powered off, use manual operation to directly pull the main shaft of the circuit breaker to close and open. Because the transmission of the reduction mechanism is relatively large, the torque output mechanism must be disengaged from the reduction mechanism when manual, and the two-way clutch plays the role of disengaging the reduction mechanism when manual. [0003] The traditional two-way clutch structure such as ...

Claims

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Application Information

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IPC IPC(8): F16D41/08F16D41/066
Inventor 陈渊技秦革平储小敏陈奕峰龚建芬
Owner JIANGNAN YIFAN MOTOR
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