The gear box comprises an upper box cover and a lower box cover, a worm gear and a worm which are meshed with each other are arranged between the upper box cover and the lower box cover, the worm gear comprises a tooth part and a supporting shaft extending outwards from the two ends of the tooth part, the worm gear is provided with a center threaded hole penetrating through the axial direction of the worm gear, and the worm gear and the supporting shaft are arranged in the center threaded hole. The inner side of the upper box cover and the inner side of the lower box cover are each provided with a left positioning groove, a tooth portion positioning groove and a right positioning groove in sequence, the left positioning grooves and the right positioning grooves are used for positioning and installing the shaft sleeves, the ends, close to the tooth portions, of the shaft sleeves are each provided with a positioning step, and the two positioning steps are located in the tooth portion positioning grooves. And an elastic element is arranged between one positioning step and the side wall of the tooth part positioning groove, so that the other positioning step is propped against the side wall of the tooth part positioning groove. The speed reducer has the advantages of being compact in structure, convenient to assemble, low in transmission noise and the like.

    本发明公开了一种齿轮箱及具有该齿轮箱的座椅滑轨,齿轮箱包括上箱盖和下箱盖,上箱盖与下箱盖之间内置有互相啮合的蜗轮和蜗杆,蜗轮包括齿部以及从齿部两端向外延伸的支撑轴,蜗轮具有贯穿其轴向的中心螺纹孔,支撑轴上均转动套设有轴套,上箱盖和下箱盖的内侧均依次设有左定位槽、齿部定位槽和右定位槽,其中左定位槽和右定位槽用于定位安装所述轴套,轴套靠近齿部的一端均设有定位台阶,两组定位台阶均位于齿部定位槽内,其中一个定位台阶与齿部定位槽的侧壁之间设有弹性元件,以使另一个定位台阶与齿部定位槽的侧壁抵接。本发明的有益效果是:结构紧凑,装配方便,并具有传动噪音低等优势。


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    Titel :

    Gearbox and seat sliding rail with same


    Weitere Titelangaben:

    齿轮箱及具有该齿轮箱的座椅滑轨


    Beteiligte:
    YANG QINGCHUN (Autor:in) / ZHANG GUO (Autor:in) / TANG GUOQING (Autor:in) / HUI HAIGANG (Autor:in) / XIN YI (Autor:in)

    Erscheinungsdatum :

    2022-07-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / F16H Getriebe , GEARING



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