The invention relates to the technical field of safety belts, in particular to a noise-reducing automobile safety belt retractor and a noise reduction method thereof.The noise-reducing automobile safety belt retractor comprises an upper protective shell and a lower protective shell, the left end and the right end of the upper protective shell are each provided with a female buckle, and the left side and the right side of the front end of a lower protective shell are each provided with a male buckle; fixing plates are arranged at the bottom ends of the lower protective shells through connecting bolts, an elastic roller is arranged in the middle of the circumferential outer wall of the first rotating shaft, second rotating shafts are connected to the left side wall and the right side wall of the lower protective shells, and the circumferential outer walls of the second rotating shafts are in winding connection with a safety strap; limiting plates are arranged at one end of the circumferential outer wall of each child sleeve and one end of the circumferential inner wall of each mother sleeve, sound absorption sponges are arranged on the inner wall of the upper protection shell and the inner wall of the lower protection shell, and connecting rods are arranged on the left side wall and the right side wall of the lower protection shell, so that when the safety belt stretches or retracts, the sound absorption sponges are arranged on the inner wall of the upper protection shell and the inner wall of the lower protection shell. Or when the automobile vibrates, the noise reduction effect is good, and the driving comfort is high.

    本发明涉及安全带技术领域,具体为一种降噪音的汽车安全带卷收器及其降噪方法,其包括上护壳和下护壳,上护壳的左端和右端均开设在有母扣,并且下护板的前端的左侧和右侧均设置有子扣,并且下护壳的底端均通过连接栓设置有固定板,转轴一的圆周外壁的中部设置有弹辊,下护壳的左侧壁和右侧壁连接有转轴二,并且转轴二的圆周外壁和安全束带缠动连接,各子套筒的圆周外壁的一端和各母套筒的圆周内壁的一端均设置有限位板,上护壳的内壁和下护壳的内壁均设置有吸音海绵,并且下护壳的左侧壁和右侧壁均设置有连接杆,从而实现安全带在伸展或收缩时,或者在汽车振动时降噪效果较好,驾乘舒适度较高。


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    Title :

    Automobile safety belt retractor capable of reducing noise and noise reduction method thereof


    Additional title:

    一种降噪音的汽车安全带卷收器及其降噪方法


    Contributors:
    XU JINJU (author)

    Publication date :

    2022-08-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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