Constant velocity universal joint driving shaft assembly

Abstract

The invention discloses a constant velocity universal joint driving shaft assembly which comprises a tripod ball type universal joint, a spherical cage type universal joint and an intermediate shaft. The tripod ball type universal joint comprises a tripod ball type universal joint shell and a tripod ball type dustproof cover. The spherical cage type universal joint comprises a spherical cage type universal joint shell and a spherical cage type dustproof cover. One end of the tripod ball type dustproof cover and one end of the spherical cage type dustproof cover are connected to the tripod ball type universal joint shell and the spherical cage type universal joint shell correspondingly in a lap joint manner, and the other end of the tripod ball type dustproof cover and the other end of the spherical cage type dustproof cover are fixed to the intermediate shaft. A weighing block is arranged at the connecting position of the tripod ball type universal joint shell and the tripod ball type dustproof cover, and weighing blocks are arranged at the connecting position of the intermediate shaft and the tripod ball type dustproof cover and the connecting position of the intermediate shaft and the spherical cage type dustproof cover correspondingly. Damping grooves are formed in the middle section of the connecting position, of the spherical cage type universal joint and the spherical cage type universal joint, of the intermediate shaft. The constant velocity universal joint driving shaft assembly is reasonable in structure, low in cost and capable of achieving damping.

Description

technical field [0001] The invention belongs to a constant velocity universal joint drive shaft assembly. Background technique [0002] The car drive shaft is a mechanism that connects two shafts whose axes do not overlap, and makes the two shafts transmit motion at the same angular velocity. Require. Existing car drive shafts usually include tripod joints, ball cage joints and intermediate shafts, tripod joints include tripod joint housings, and tripod dustproof Cover, the ball cage type universal joint includes the ball cage universal joint shell, the ball cage assembly and the ball cage dust cover, the tripod dust cover and the end of the ball cage dust cover are respectively lapped on the tripod Joint shell and ball cage universal joint shell, the other ends are respectively fixed on the intermediate shaft, among them, the tripod type universal joint can realize axial movement, and the ball cage type universal joint can realize angular rotation, however , the controll...

AI Technical Summary

Problems solved by technology

Existing car drive shafts usually include tripod joints, ball cage joints and intermediate shafts, tripod joints include tripod joint housings, and tripod dustproof Cover, the ball cage type universal joint includes the ball cage universal joint shell, the ball cage assembly and the ball cage dust cover, the tripod dust cover and the end of the ball cage dust cover are respectively lapped on the tripod Joint shell and ball cage universal joint shell, the other ends are respectively fixed on the intermediate shaft, among them, the tripod type universal joint can realize axial movement, and the ball cage type universal joint can realize angular rotation, however , the controllability of the ball cage universal joint to the rotation angle in the prior art is poor, and it cannot satisfy the better drive control of the automobile wheel; the ball cage universal joint has high processing precision, especially the steel ball and the star sleeve. The contact stress is large, and the large gap in the direction of rotation will cause a lot of noise and vibration, which will affect the comfort of the vehicle.

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