Automatic reset mechanism of steering switch of automobile

An automatic reset mechanism of a steering switch of an automobile comprises a handle assembly, a lower shell body assembly, an upper shell body, a spring, supporting blocks and a reset block. According to the automatic reset mechanism of the steering switch of the automobile, a guide pin is arranged on the upper shell body, the guide pin and the spring are in transition fit, a guide pillar is arranged in holes of the supporting blocks, the spring is arranged on the guide pillar in a sleeved mode, a gap is arranged between the spring and the guide pillar, the supporting blocks are arranged on a step groove of the upper shell body through two snap joints and four supporting ribs, a movement matching surface between the supporting blocks and the step groove is a high-polished surface, and lubricating oil is arranged. Therefore, reliable working of the reset function of the automatic reset mechanism is ensured, moving can be smooth and flexible, twist and deformation of the spring are avoided and prevented effec