The invention discloses a connecting structure and a connecting method of a lead screw component in an automobile supporting rod, the lead screw component comprises a lead screw sleeve, a lead screw and a screw sleeve, the left end of the lead screw sleeve is provided with an internal thread, the screw sleeve is directly formed at the right end of the lead screw sleeve in an injection molding mode, the exposed part of the lead screw is a step shaft, and the step shaft is matched with a ball bearing. The inner ring of the ball bearing and the screw rod are connected into a whole through laser welding; the internal thread is matched with the corresponding external thread of the handle part of the ball sleeve, and the screw rod sleeve is riveted in the concave pit of the ball sleeve after matching; the lead screw sleeve is sleeved with a guide pipe, the guide pipe is sleeved with a spring outer sleeve, and the joint of the spring outer sleeve and the motor outer sleeve is welded through laser; the axial movement of the ball bearing outer ring is limited through the spring outer sleeve and the motor outer sleeve. The device is simple in structure, and the product of the automobile electric tail door supporting rod is high in production efficiency, low in cost and high in reliability.

    本发明公开了一种汽车撑杆中丝杆部件的联接结构及联接方法,其丝杆部件包括丝杆套管、丝杆、丝套,丝杆套管的左端加工有内螺纹,丝套直接注塑成型在丝杆套管的右端,丝杆外露部分是台阶轴,台阶轴与滚珠轴承配合,通过激光焊接将滚珠轴承的内圈与丝杆联接为一体;内螺纹与球套柄部相应的外螺纹配合,配合后将丝杆套管挤铆在球套凹坑里;丝杆套管的外面套导管,导管外面套弹簧外套管,弹簧外套管与电机外套管的接合部位采用激光焊接;通过弹簧外套管和电机外套管限制滚珠轴承外圈的轴向移动。本发明结构简单,其产品“汽车电动尾门撑杆”生产效率高,成本低,且可靠性高。


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    Title :

    Connecting structure and connecting method for lead screw component in automobile supporting rod


    Additional title:

    一种汽车撑杆中丝杆部件的联接结构及联接方法


    Contributors:
    ZHANG JUNHAO (author) / HE GUODONG (author) / CHEN YAO (author)

    Publication date :

    2023-03-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge



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