The invention belongs to the technical field of steering gears, and discloses a steering gear assembly and a vehicle. The steering gear assembly comprises a steering gear shell, a screw assembly, a steering nut and a sector gear. The steering gear shell is provided with an inner cavity. The screw assembly transversely penetrates through and is rotationally connected to the steering gear shell. The steering nut is located in the steering gear shell and arranged on the screw assembly in a sleeving mode, a ball is clamped between the circumferential inner wall of the steering nut and the circumferential outer wall of the screw assembly, two racks are arranged on the circumferential outer wall of the steering nut in the axial direction, the number of the racks is two, and the upper portions of the racks abut against cylindrical idler wheels. The cylindrical roller is also propped against the inner wall of the steering gear shell; the sector gear is rotationally connected into the steering gear shell and engaged with the two racks, and the connecting line of the engagement positions and the axis of the steering nut are located on the same horizontal plane. The steering gear assembly can reduce friction force, reduce deformation of the screw and reduce stress and surface abrasion of the gear sector, so that the service life of the steering gear assembly is prolonged, and the transmission efficiency of the steering gear assembly is improved.
本发明属于转向器技术领域,公开了一种转向器总成及车辆。该转向器总成包括转向器壳体、螺杆组件、转向螺母和扇形齿,转向器壳体具有内腔;螺杆组件横穿并转动连接于转向器壳体;转向螺母位于转向器壳体内,转向螺母套设于螺杆组件,转向螺母周向内壁与螺杆组件周向外壁之间夹设有滚珠球,转向螺母周向外壁沿轴向设置有齿条,齿条相对设置有两个,齿条上方抵接有圆柱滚轮,圆柱滚轮还与转向器壳体的内壁抵接;扇形齿转动连接于转向器壳体内,扇形齿分别与两个齿条啮合设置,且啮合处连线与转向螺母的轴线位于同一水平面。该转向器总成能够降低摩擦力并减少螺杆的形变,减少齿扇受力和表面磨损,从而提高转向器总成的使用寿命和传动效率。
Steering gear assembly and vehicle
转向器总成及车辆
2024-01-19
Patent
Electronic Resource
Chinese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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