The invention discloses a steel ball ball-type lower steering shaft assembly. The steel ball ball-type lower steering shaft assembly is characterized by comprising a stretchable transmission device, an upper universal joint and a lower universal joint, wherein the upper universal joint and the lower universal joint are distributed at the two ends of the stretchable transmission device, the stretchable transmission device comprises a lower steering sleeve, a lower steering shaft and a steel ball, a first half steel ball groove is arranged in the lower steering shaft and eccentrically arranged, a second half steel ball groove is arranged on the lower steering sleeve and eccentrically arranged, and the steel ball is embedded into the first half steel ball groove and the second half steel ball groove; according to the R eccentric design principle, a new corresponding meshed point can be found on the steel ball groove R only by replacing the diameter of the steel ball, and the effect of freely compensating for a wearing clearance of the steering sleeve is achieved, so that the steel ball combination and the steering sleeve steel ball grooves can be kept in the tight meshed state all the time, abnormal sound is prevented from being generated, the using performance of the steering shaft is ensured, and potential safety hazards of automobile driving are eliminated.


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    Titel :

    Steel ball ball-type lower steering shaft assembly


    Beteiligte:
    XU ZHEN (Autor:in) / ZHENG YUNGANG (Autor:in) / DING YAN (Autor:in)

    Erscheinungsdatum :

    09.12.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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