The invention discloses a recirculating ball nut and an electric recirculating ball steering device. The recirculating ball nut comprises a nut body with internal threads and a tooth arranged on the nut body, wherein at least one part of the outer surface of the nut body and/or at least one part of the outer surface of the tooth are located on the same boundary; and the rest part of the outer surface of the nut body and the rest part of the outer surface of the tooth fall into the boundary. The upper end and the lower end of the nut are located on the same circle; attaching and supporting are achieved; deformation of the recirculating ball is prevented; through the design of oil discharging grooves, oil and grinding chips can be better discharged; and a good recirculating ball working environment is guaranteed.

    本发明公开了一种循环球螺母及电动循环球转向装置,包括:具有内螺纹的螺母本体和设于螺母本体上的齿;其中,螺母本体外表面的至少一部分和/或齿的外表面的至少一部分处于同一边界上;且,螺母本体的外表面的其余部分和齿的外表面的其余部分落入边界的内部。本发明使螺母的上下两端处于同一整圆上,实现贴合、支撑,防止循环球变形。本发明通过卸油槽的设计,能更好地卸油与磨削屑,保证良好的循环球工作环境。


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    Title :

    Recirculating ball nut and electric recirculating ball steering device


    Additional title:

    一种循环球螺母及电动循环球转向装置


    Contributors:
    CHEN FENG (author) / WANG HUI (author) / ZHANG JUHUI (author) / HONG XIAOJIANG (author)

    Publication date :

    2022-01-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16H Getriebe , GEARING / B62D MOTOR VEHICLES , Motorfahrzeuge



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