Automobile rear wheel steering structure

The invention provides an automobile rear wheel steering structure which comprises a shell, a power-assisted motor and a lead screw are arranged on the shell, the lead screw is installed in a lead screw shell, the lead screw protrudes out of the lead screw shell and then is connected with an output shaft of the power-assisted motor through a belt, a belt cavity shell is arranged outside the belt, and the belt cavity shell is connected with the lead screw. One end of the lead screw penetrates through the ball bearing to be connected with the lead screw shell, the other end of the lead screw penetrates through the needle bearing to be connected with the lead screw shell, a sliding cavity is formed in the lead screw shell, a sliding groove is formed in the top of the sliding cavity, the steering assembly is assembled in the sliding cavity, and the middle of the lead screw is connected with the steering assembly. According to the scheme, an existing steering structure is improved, the steering function is more ac