The invention discloses a safety belt height adjuster which comprises a fixing plate and a sliding block, a fixing groove is formed in the top of the fixing plate; a sliding block is slidably connected into the fixing groove. The side, located outside the fixing groove, of the sliding block is connected with a connecting cover. The safety belt height adjuster is of a lead screw nut structure; a safety belt fixing device is associated with a nut, can slide on a screw rod to any position along with the nut, therefore, the height of a safety belt can be adjusted to any height as required by passengers; stepless regulation is realized, the nut of the height adjuster adopts a double-sided design; internal threads are meshed with the screw rod; an external helical gear is meshed with helical teeth of a shifting piece, when a vehicle is suddenly impacted in the running process, the above structure converts tension into the maximum static friction force before the helical gear rotates and thetorque of the shifting piece to the helical gear, the stress area is increased through the helical teeth of the helical gear, and therefore the structure can be stabilized at the original height whenthe vehicle is impacted.

    本发明公开了一种安全带高度调节器,包括固定板和滑移块,固定板的顶部开设有固定槽,且固定槽内滑动连接有滑移块,滑移块的位于固定槽外部的一侧连接有连接盖,此安全带高度调节器采用丝杠螺母的结构,其安全带固定装置与螺母关联,可随之在螺杆上滑动到任意位置,从而可将安全带的高度按乘客所需调节到任意高度,实现无级调节,该调高器的螺母采用双面设计,内部的螺纹与螺杆相啮合,外部的斜齿轮,与拨片斜齿啮合,在车辆运行中突然受到冲击力时,该结构将拉力转化成斜齿轮旋转前的最大静摩擦力,和拨片对斜齿轮的力矩,斜齿轮的斜齿则增大了受力面积,从而在受到冲击时,该结构能稳定在原定高度。


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    Title :

    Safety belt height adjuster


    Additional title:

    一种安全带高度调节器


    Publication date :

    2020-10-02


    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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