A belt driven wheel drive continuously variable transmission device structure

The utility model discloses a belt drive continuously variable transmission device of the driven wheel structure. The angular contact ball bearing portion of the driven wheel outer face last week triangular projections uniformly distributed, power output shaft through the cylindrical wall of the sleeve shaft seat chamber and the axial end surface of the bore hole and the circumferential surface of the shaft fixedly connected with the cavity, compression spring driven wheel mounted on the movable portion between the seat and the sleeve,bearing ball the sleeve wall is provided with a cylindrical seat number and the same number of triangular projections gap, the shape of the cylindrical wall was the same after the commencement of an equilateral triangle, the triangle notch projection engagement. The utility model to overcome the existing technical main driven wheel movement and often can not keep pace reducers defects have avoided belt slippage, high transmission efficiency and transmission characteristics of large capacity.