The present disclosure provides a rack-driven power-assisted steering apparatus, the rack-driven power-assisted steering apparatus including: a rack bar formed with an outer circumferential threaded groove; a ball nut having an inner circumferential threaded groove and a pair of first and second ball circulation holes; a nut pulley provided on an inner circumferential surface with a space spaced apart from an outer circumferential surface of the ball nut, and coupled to an end portion of the ball nut; and a return tube disposed between an outer circumferential surface of the ball nut and an inner circumferential surface of the nut pulley.
本公开提供一种齿条驱动式动力辅助转向设备,所述齿条驱动式动力辅助转向设备包括:齿条杆,所述齿条杆形成有外周向螺纹凹槽;滚珠螺母,所述滚珠螺母具有内周向螺纹凹槽和一对第一滚珠循环孔和第二滚珠循环孔;螺母带轮,所述螺母带轮在内周向表面上设置有与所述滚珠螺母的外周向表面间隔开的空间,并且联接到所述滚珠螺母的端部;以及返回管,所述返回管设置在所述滚珠螺母的外周向表面与所述螺母带轮的内周向表面之间。
Rack-driven power assisted steering apparatus
齿条驱动式动力辅助转向设备
2022-08-30
Patent
Electronic Resource
Chinese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |