Worm and gear clearance compensation mechanism for automobile steering column

The utility model discloses a worm gear and worm clearance compensation mechanism for an automobile steering column, which comprises a worm gear and a worm which are meshed with each other, and further comprises a clearance compensation mechanism, the clearance compensation mechanism comprises a limit ring, a swing bearing, a motor connector and a cushion, and the limit ring is arranged at the tail end of the worm; the swing bearing, the motor connector and the buffer cushion are sequentially arranged at the head end of the worm in a sleeving mode, and the center lines of the limiting ring, the swing bearing and the worm are collinear. According to the structure, on the basis of clearance compensation, noise can be further eliminated, friction is reduced, and the use experience is improved. 本实用新型公开了一种用于汽车转向管柱的蜗轮蜗杆间隙补偿机构，包括相互啮合的蜗轮和蜗杆，还包括间隙补偿机构，所述间隙补偿机构包括限位环，摆动轴承、电机连接头、缓冲垫、所述限位环设置于蜗杆末端；摆动轴承、电机连接头、缓冲垫依次套设于蜗杆首端，限位环、摆动轴承、蜗杆三者的中心线共线。本结构可以在进行间隙补偿的基础上，进一步消除噪音，减小摩擦，提升使用体验。