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Overrun clutch

A technology of overrunning clutches and active parts, applied in the field of mechanical transmission, can solve the problems of low reliability, complex structure of clutches, and difficult compensation of wear and tear, and achieve the effects of simple structure, large torque and long life

Inactive Publication Date: 2014-12-03
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a simple structure, high reliability overrunning clutch with a marble structure in order to solve the technical problems of the above-mentioned clutch with complex structure, low working reliability, short service life, and difficult compensation of wear and tear.

Method used

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Embodiment Construction

[0018] The overrunning clutch of the present invention will be further described below through embodiments and in conjunction with the accompanying drawings.

[0019] Such as figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 As shown, the present invention provides an overrunning clutch, including a driving part 1, an intermediate part 2, a driven part 3, a pin 4, a pin 5, a spring 6, a left retaining ring 7 and a right retaining ring 8. It is characterized in that: the active part 1 is rotatably arranged and can move along its axial direction, a central through hole is opened in the axial direction, and a group of radial through holes 11 of the same size are opened in the axial direction of the outer surface. The through holes 11 are evenly distributed on the circumference; the outer surface of the intermediate member 2 is provided with an outer spiral 21, and a plurality of radial blind holes 22 corresponding to the radial through holes 11...

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Abstract

The invention provides a structure of an overrun clutch which is composed of a driving piece, an intermediate piece, a driven piece, a cylindrical marble, a spring and a check ring. According to the overrun clutch, under the internal and external spiral action of the intermediate piece and the driven piece, the marble is driven to move in the radial direction, and therefore relative movement of the driving piece and the driven piece can be changed, and the overrun state or the connection state of the overrun clutch can be achieved. The overrun clutch is simple and reliable in structure, the service life of the overrun clutch is prolonged, the bearing capacity of the overrun clutch is improved, and the machining process is simplified.

Description

technical field [0001] The invention belongs to the field of mechanical transmission, in particular to a high-reliability overrunning clutch with a pin structure. Background technique [0002] The overrunning clutch is usually used to realize power transmission between the driving shaft and the driven shaft, and to achieve engagement or overrunning according to the difference in relative speed between the driving shaft and the driven shaft. At present, the commonly used overrunning clutches include roller overrunning clutches, sprag overrunning clutches and other types. These overrunning clutches use a wedge mechanism between the inner ring and the outer ring to transmit torque. The contact stress is very large, the parts are seriously worn, and the wear of the roller type overrunning clutch and the sprag type overrunning clutch is not easy to compensate, there is overload turning or slipping, and the work reliability is not high. Contents of the invention [0003] The ob...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D41/06
Inventor 岳景辉李华姚进李超吕琳肖蒙苗建国
Owner SICHUAN UNIV
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