One-way overrunning clutch for motorcycle

Abstract

The invention discloses a one-way overrunning clutch for a motorcycle. Pin rollers (2) are hollow cylinders. Annular grooves (2a) are formed in the middle portions of the pin rollers (2) in a rolling mode. An integrally-formed protruding edge (5a) in a wedge-shaped locating groove is embedded in the corresponding annular groove (2a). A torsion spring (1) is arranged between every two adjacent pin rollers (2) on the circumference and composed of a torsion part and two supporting feet located on the same side of the torsion part. The peripheral face of a body (5) is of a stepped structure. By the adoption of the one-way overrunning clutch, synchronization of movement of the pin rollers can be guaranteed, the performance reliability of the overrunning clutch can be improved, and the service life of the overrunning clutch is longer; a protective cover is of an edge coating installation structure, on one hand, installation is convenient and rapid and assembling efficiency is high, and on the other hand, the protective cover and the body are tightly connected, firmness is good, and the phenomenon of looseness or falling is avoided; meanwhile, the hollow pin rollers are adopted and matched with a guide structure, so that production cost and weight are reduced and the pin rollers are effectively prevented from being blocked.

Description

Technical field [0001] The invention relates to a one-way device, in particular to a one-way overrunning clutch for motorcycles. Background technique [0002] 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. The main functions of the overrunning clutch are: overtaking or transmitting torque, precise positioning, and preventing reversal. [0003] The existing motorcycle overrunning clutch generally consists of a body, a shield, a baffle, a roller and a compression spring. The roller is installed in the wedge-shaped positioning groove opened on the inner wall of the main body, and a compression spring is also arranged in the wedge-shaped positioning groove. One compression spring corresponds to a roller, and the compression spring drives the roll...

AI Technical Summary

Problems solved by technology

[0004] 1) Since the compression spring needs to be additionally processed with a chute for installation, on the one hand, it is difficult to process the installation chute of the compression spring, which will increase the production cost; Fracture, thus affecting the reliability and service life of the overrunning clutch

[0005] 2) The shield is generally fixed to the body by screws. Not only is it inconvenient to disassemble, but also the tightness of the joint between the shield and the body is poor, and the shield is easy to loosen and produce abnormal noise.

[0006] 3) Although the roller is axially limited by the shield and the baffle, there is a gap between the roller, the shield and the baffle, so that the roller will inevitably be skewed when moving in the wedge-shaped positioning groove, which is also easy to Causes stagnation, thereby affecting the performance of the overrunning clutch; the rollers are usually solid cylinders, not only the material cost is high, but also the weight of the overrunning clutch will be increased when the number of rollers is large

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