The invention provides an electric power steering system and a power assisting device, and the power assisting device is characterized in that the electric power steering system comprises a speed reducer shell, the speed reducer shell comprises a first shell part and a second shell part, the first shell part is provided with a first tubular hole for a worm to penetrate through, and a plurality of first through holes are formed in the first opening end of the first tubular hole in the circumferential direction; the first shell part is provided with a first tubular hole, the first through hole penetrates through the hole wall of the first tubular hole, the second shell part is provided with a second tubular cavity for containing the worm gear, the first tubular hole is communicated with the second tubular cavity, and the axis direction of the first tubular hole is perpendicular to the axis direction of the second tubular cavity; an annular groove with a circumferential opening is formed in one end, connected with the first shell part, of the power-assisted motor; and each connecting piece penetrates through the first through hole and is fixed in the annular groove so as to mount the power-assisted motor on the speed reducer shell. The device can adapt to different specific installation directions of the power-assisted motor and the speed reducer shell, the universality of assembly adaptation of the speed reducer shell and the power-assisted motor is improved, meanwhile, the types of the speed reducer shell are reduced, and the product cost is reduced.
本发明提供一种电动助力转向系统及助力装置,助力装置,其特征在于,包括:减速机壳体,包括第一壳体部和第二壳体部,第一壳体部设有供蜗杆穿过的第一管型孔,第一管型孔的第一开口端周向设置有多个第一通孔,第一通孔贯通第一管型孔的孔壁,第二壳体部设有容纳蜗轮的第二管型腔,第一管型孔和第二管型腔联通,第一管型孔的轴线方向垂直于第二管型腔的轴线方向;助力电机,助力电机连接第一壳体部的一端设有周向开口的环形槽;多个连接件,各连接件穿过第一通孔并固定在环形槽内以将助力电机安装在减速机壳体上。本发明能够适应不同的助力电机和减速器外壳的特定安装方向,提高减速机壳体与助力电机装配适配的通用性的同时,减小减速机壳体的类型,降低产品成本。
Electric power steering system and power assisting device
电动助力转向系统及助力装置
2024-09-03
Patent
Electronic Resource
Chinese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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