The function of the automobile pull rod is to prevent torsion of the rod body. The following is an introduction to automotive tie rods: 1. Classification: Steering tie rods are divided into steering straight rods and steering tie rods. The steering straight link undertakes the task of transferring the motion of the steering rocker arm to the steering knuckle arm; The steering tie rod is the bottom edge of the steering trapezoidal mechanism, and is a key component to ensure the correct movement relationship between the left and right steering wheels. 2. Composition: The automobile steering rod mainly consists of: ball joint assembly, nut, rod assembly, left telescopic rubber sleeve, right telescopic rubber sleeve, self tightening spring, etc. It plays a role in transmitting motion in the steering system, directly affecting the stability of vehicle handling, operational safety, and the service life of tires.