The invention relates to a vehicle jack which comprises a rhombus support, a base arranged at the lower end of the rhombus support, a screw transversely penetrating the rhombus support, supporting rods in the rhombus support and a supporting top disc at the upper end of the rhombus support. The rhombus support is formed by hinging two upper struts and two lower struts end to end. The sides, facing the interior of the rhombus support, of the upper struts are provided with multiple grooves where the supporting rods are inserted. One end of each supporting rod is hinged to a hinge point at the bottom of the rhombus support, the other end of each supporting rod is inserted in a supporting rod joint in the corresponding groove, and one side of each supporting rod is provided with a supporting rod limiting block fixed to the base. The vehicle jack has the beneficial effects that the supporting rods for protection are arranged, when the screw cannot bear large tension or the lower struts receive the stress exceeding the load and are damaged, the protection effect of the supporting rods can be achieved, and even though other components of the jack are not damaged, the mechanical performance enhancement effect of the jack can be achieved through the supporting rods.


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    Titel :

    Vehicle jack


    Beteiligte:
    WANG HUA (Autor:in)

    Erscheinungsdatum :

    2015-12-09


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



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