The invention relates to an adjusting drive (5) for a steering column (1) and a steering column for a motor vehicle. The adjustment drive (5) comprises a threaded spindle (52) with an external thread which engages with a corresponding internal thread of the spindle nut (51), in which the thread teeth (56) of the external thread and the thread grooves of the internal thread have corresponding axially sliding threaded flanks (57), said threaded flanks (57) being supported against each other. In order to improve lubrication and reduce friction and wear, the invention proposes that at least one threaded flank (57) comprises at least one recessed lubricant receptacle (58).

    本发明涉及用于转向柱(1)的调节驱动器(5)以及用于机动车辆的转向柱。该调节驱动器(5)包括具有外螺纹的螺纹主轴(52),该外螺纹与主轴螺母(51)的对应的内螺纹接合,其中,外螺纹的螺纹齿(56)和内螺纹的螺纹凹槽具有对应的轴向滑动的螺纹侧面(57),所述螺纹侧面(57)抵靠彼此支撑。为了改善润滑并减少摩擦和磨损,本发明提出的是,至少一个螺纹侧面(57)包括至少一个凹入的润滑剂吸纳部(58)。


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    Title :

    Adjustment drive for steering column and steering column for motor vehicle


    Additional title:

    用于转向柱的调节驱动器以及用于机动车辆的转向柱


    Contributors:

    Publication date :

    2023-08-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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