The invention relates to an automotive hydraulic power steering gear with a double dustproof structure. The automotive hydraulic power steering gear comprises a shell and a valve block integrally fixed to the shell; the shell and the valve block form an inner chamber; a control valve assembly, a rack piston assembly and a rocker shaft assembly are arranged within the inner chamber; the rack piston assembly comprises a screw, a plurality of steel balls and a piston with a rack; an oil plug is fixedly connected to the top end of the rack piston assembly; the rocker shaft assembly comprises a rocker shaft and a sector gear integrated to the rocker shaft; the sector gear meshes with a rack on the piston; an input shaft is mounted on one side of the valve block through an input shaft oil seal and a round nut and is connected with the screw through a positioning pin and a torsional bar so as to transmit torque. The automotive hydraulic power steering gear is characterized in that an input shaft dust seal is mounted around the input end of the input shaft outside the round nut, and an input shaft dust cover is mounted outside the input shaft dust seal. The automotive hydraulic power steering gear is simple in structure; the double dustproof structure ensures good dustproofing effect, and failure rate of oil leakage from the end of the input shaft is decreased.


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    Titel :

    Automotive hydraulic power steering gear with double dustproof structure


    Beteiligte:
    SONG HAIBING (Autor:in) / XIE JUN (Autor:in) / WANG CHUNHONG (Autor:in) / TAN GUOQIANG (Autor:in) / LING ZHIQIANG (Autor:in) / ZHANG JUN (Autor:in)

    Erscheinungsdatum :

    2015-04-29


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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