The invention discloses a rigidity-adjustable ball joint and thrust rod assembly, and belongs to the technical field of automobile suspension systems. The assembly comprises a thrust rod bracket, a pin shaft, a thrust rod, a ball body, a bearing outer ring and rigidity adjusting sleeves, wherein the ball body is in sliding universal connection with the bearing outer ring; the bearing outer ring is connected with the rigidity adjusting sleeves through an elastic layer; adjusting gaps are formed by the corresponding end faces of the rigidity adjusting sleeves on the two sides; the thrust rod and the rigidity adjusting sleeves are fixedly mounted; and the pin shaft is inserted into a mounting shaft hole and is connected with the thrust rod bracket. Free universal rotation of the thrust rod assembly is achieved through a ball joint, torsion stress of the elastic layer is released, and the elastic layer is only subjected to pressure load; the elastic layer achieves the buffering function of the thrust rod assembly, and the impact load in the force transmission process of the thrust rod is reduced; and the rigidity adjusting sleeves are provided with the adjusting gap, so that rigidity adjustment of the thrust rod assembly is achieved, the reliability of the thrust rod assembly is improved, the service life is prolonged, meanwhile, flexible connection of a suspension system and an axle assembly is achieved, and the comfort of a whole vehicle is improved.

    本发明公开一种可调刚度的球关节及推力杆总成,属于汽车悬架系统技术领域,包括推力杆支架、销轴、推力杆、球体、轴承外圈和刚度调节套;球体与轴承外圈滑动万向连接;轴承外圈与刚度调节套通过弹力层连接;两侧刚度调节套的对应端面设有调节间隙;推力杆与刚度调节套固定安装;销轴插接于安装轴孔内,并与推力杆支架连接。球关节实现推力杆总成的自由万向旋转,解放弹力层的扭转受力,使弹力层仅受压力载荷;弹力层实现推力杆总成的缓冲功能,降低推力杆传递力过程中的冲击载荷;刚度调节套通过设置调节间隙,实现推力杆总成的刚度调节,提高推力杆总成的可靠性,延长使用寿命,同时实现悬架系统和车桥总成的柔性连接,提高整车的舒适性。


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    Title :

    Rigidity-adjustable ball joint and thrust rod assembly


    Additional title:

    一种可调刚度的球关节及推力杆总成


    Contributors:
    YANG YONGXIANG (author) / GUO JITAI (author) / SUN CHANGCHUN (author) / GUO JINGSHUN (author) / LUAN HUILEI (author) / ZHANG BANGWEI (author) / YUAN LIKUAN (author)

    Publication date :

    2021-06-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16C SHAFTS , Wellen / B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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