Automobile rear wheel steering structure

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Automobile rear wheel steering structure

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MENG YONGCHAO / ZHANG YONGQI / LI KUNPENG / ZHANG YISONG

The invention provides an automobile rear wheel steering structure which comprises a shell, a power-assisted motor and a lead screw are arranged on the shell, the lead screw is installed in a lead screw shell, the lead screw protrudes out of the lead screw shell and then is connected with an output shaft of the power-assisted motor through a belt, a belt cavity shell is arranged outside the belt, and the belt cavity shell is connected with the lead screw. One end of the lead screw penetrates through the ball bearing to be connected with the lead screw shell, the other end of the lead screw penetrates through the needle bearing to be connected with the lead screw shell, a sliding cavity is formed in the lead screw shell, a sliding groove is formed in the top of the sliding cavity, the steering assembly is assembled in the sliding cavity, and the middle of the lead screw is connected with the steering assembly. According to the scheme, an existing steering structure is improved, the steering function is more accurate, and the overall size is smaller.

本发明提供了一种汽车后轮转向结构，包括壳体，所述壳体上设有助力电机与丝杠，所述丝杠安装在丝杠壳体内，所述丝杠突出丝杠壳体后与助力电机的输出轴之间通过皮带连接，皮带外部设有皮带腔壳体，所述丝杠一端穿过球轴承与丝杠壳体连接，丝杠另一端穿过滚针轴承与丝杠壳体连接，丝杠壳体上设有滑动腔，滑动腔顶部开有滑动槽，滑动腔内装配有转向组件，所述丝杠中部与转向组件连接。本方案改进了现有的转向结构，转向功能更精准，整体体积更小。