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Overrunning clutch

A technology of overrunning clutches and arc surfaces, applied in the field of clutches, can solve the problems of reduced load capacity, cage deformation, complex structure, etc., and achieve the effects of long service life, simple structure, and simple processing technology

Active Publication Date: 2021-01-05
TRANF TECH XIAMEN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the flat type is easy to process and widely used, but because the contact strength of the flat type and the roller is small according to the Hertz theory, it is difficult to withstand a large torque, and the advantage of the wedge type is that the number of wedges can be arranged more, but There must be a cage to position the wedge. Because the cage is easily affected by eccentricity, the cage is easily deformed by force and asynchronous, until the bearing capacity is reduced and early damage occurs
[0004] The structure of the existing overrunning clutch is relatively complicated, and it is generally necessary to use the cooperation of the spring or the cage structure to realize the function of the overrunning clutch, and its life is easily affected by the spring or the cage

Method used

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Embodiment Construction

[0022] In the following detailed description, reference is made to the accompanying drawings, which form a part hereof, and which show by way of illustration specific embodiments in which the invention may be practiced. In this regard, directional terms such as "top", "bottom", "left", "right", "upper", "lower", etc. are used with reference to the orientation of the figures being described. Because components of an embodiment may be positioned in several different orientations, directional terminology is used for purposes of illustration and is by no means limiting. It is to be understood that other embodiments may be utilized or logic changes may be made without departing from the scope of the present invention. The following detailed description should therefore not be taken in a limiting sense, and the scope of the invention is defined by the appended claims.

[0023] figure 1 The internal structural diagram of the overrunning clutch according to the embodiment of the pre...

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Abstract

The invention discloses an overrunning clutch. The overrunning clutch comprises an inner ring, an outer ring and multiple special-shaped rolling bodies arranged between the inner ring and the outer ring. The surface of each special-shaped rolling body is provided with at least two sections of arc surfaces, the two sections of arc surfaces of each special-shaped rolling body have different circle centers so that the special-shaped rolling bodies can be connected with one another in an abutting manner during rolling, and the surfaces of the special-shaped rolling bodies are connected with the outer wall of the inner ring and the inner wall of the outer ring in an abutting manner. When the inner ring rotates to drive the special-shaped rolling bodies to rotate, abutting connection between thenon-concentric arc surfaces and the other special-shaped rolling bodies, the inner ring and the outer ring is achieved, and then the overrunning clutch effect can be achieved.

Description

technical field [0001] The invention relates to the technical field of clutches, and in particular to an overrunning clutch. Background technique [0002] The overrunning clutch is a basic component that appears with the development of mechatronics products. It is an important component used for power transmission and separation between the prime mover and the working machine or between the driving shaft and the driven shaft inside the machine. It is a device with a self-clutching function by utilizing the speed change of the main and driven parts or the transformation of the rotation direction. [0003] Overrunning clutches are generally divided into wedge overrunning clutches, roller overrunning clutches and ratchet overrunning clutches. The wedge overrunning clutch uses special-shaped wedges instead of rollers as wedges, and is a clutch that uses wedges and inner and outer raceways to form a friction pair. When there is no relative movement between the inner ring, outer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D41/064
CPCF16D41/064F16D2041/0646
Inventor 许涛许水电李延福严春波陈志伟
Owner TRANF TECH XIAMEN CO LTD