The present application relates to a power steering system (1) for a motor vehicle, comprising: a steering module (2) comprising a steering housing (20) in which a steering rack is slidably mounted; and an auxiliary module (3) comprising a reducer housing (30) fastened to the dome of the steering housing, in which a gear reducer is mounted, the gear reducer comprising a worm driven by an auxiliarymotor, the worm meshing with a worm gear (41) rotationally connected to the output shaft (5), and a locking nut (7) provided with a shaft gear (50) engaged with the steering rack and rotatably mounted in a rolling bearing (61) carried by a support (33) provided on the reduction gear housing, the locking nut (7) being screwed into the support against the rolling bearing, the nut being arranged toface the inner surface (23) of the dome, at least one end stop (27) projects from the inner surface at a distance (DJ) opposite the nut, allowing the nut to stop in the event of loosening.
本申请涉及用于机动车辆的动力转向系统(1),包括:转向模块(2),其包括转向壳体(20),转向齿条可滑动地安装在转向壳体内;和辅助模块(3),其包括紧固在转向壳体的圆顶上的减速器壳体(30),齿轮减速器安装在其中,齿轮减速器包括由辅助马达驱动的蜗杆,蜗杆啮合在蜗轮(41)上,蜗轮旋转连接到输出轴(5),其设置有与转向齿条接合的轴齿轮(50)并可旋转地安装在由设置在减速器壳体上的支承部(33)承载的滚动轴承(61)中,锁紧螺母(7)拧入贴靠滚动轴承的该支承部,该螺母布置为面向圆顶的内表面(23),至少一个端部止动件(27)与螺母相对地从该内表面以距离(DJ)突出,从而允许螺母在松动的情况下停止。
Power steering system having end stop for integrating locknut to retarder housing
具有用于将锁紧螺母集成至减速器壳体的端部止动件的动力转向系统
2021-01-05
Patent
Electronic Resource
Chinese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
NTRS | 1980
|Automotive engineering | 1980
Tool Preloads Screw and Applies Locknut
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|European Patent Office | 2024
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