An oil return mechanism includes a base, a control switch, a first blocking ball mounted in the base, an elastic member mounted between the first blocking ball and the base. The base has a liquid storing cavity, a liquid returning cavity, a communicating cavity, a first communicating opening communicating between the liquid returning cavity and the communicating cavity, and a second communicating opening communicating between the communicating cavity and the liquid storing cavity. The control switch is adapted for controlling the second communicating opening open or closed so that the communicating cavity and the liquid storing cavity are connected or separated. The first blocking ball moves between a blocking position and an open position. The first communicating opening is positioned in a communicating portion of the base. When the first blocking ball is in the blocking position, one or more liquid guiding gaps are formed between the first blocking ball and an inner wall of the communicating portion of the base. The liquid guiding gap communicates between the liquid returning cavity and the communicating cavity. The present invention can regulate a speed of a fluid flowing from the liquid returning cavity to the communicating cavity, and has the advantages of simple structure and great reduction of cost.


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    Titel :

    OIL RETURNING STRUCTURE


    Weitere Titelangaben:

    ÖLRÜCKFÜHRUNGSSTRUKTUR
    STRUCTURE DE RETOUR D'HUILE


    Beteiligte:
    CHEN JIANG (Autor:in) / YE JUNXUE (Autor:in) / WANG JINGFANG (Autor:in)

    Erscheinungsdatum :

    2021-02-17


    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 / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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