The invention discloses an anti-overflow valve for an oil tank, and particularly relates to the technical field of oil storage devices. The anti-overflow valve comprises a cover body; the cover body is used for sealing an oil filler of the oil tank; the cover body is communicated with a one-way valve; a ventilation cavity and an anti-overflow cavity communicated with the ventilation cavity are formed in the cover body, a sleeve is arranged in the ventilation cavity, a stepped hole with the diameter gradually decreased from top to bottom is formed in the sleeve, a ventilation pipe is connectedbetween the sleeve and the one-way valve, a sealing plate is slidably connected in the sleeve, a push rod is connected to the sealing plate, and the push rod is wrapped with a spring with one end fixed in the sleeve. One side of the anti-overflow cavity is communicated with the oil tank, a hollow floating body is connected into the anti-overflow cavity in a sliding mode, a supporting rod is arranged on the floating body, the supporting rod is a Z-shaped connecting rod, and one end of the connecting rod is rotatably connected into the ventilation cavity and located under the push rod. By the adoption of the anti-overflow valve, the problem that after an existing oil tank topples over, oil molecules stored in the oil tank are prone to leakage is solved. The anti-overflow valve can be used for safely storing oil.

    本发明公开了一种油箱用防溢阀,具体涉及储油装置的技术领域。一种油箱用防溢阀,包括盖体,盖体用于密封油箱的加油口,盖体上连通有单向阀,盖体内设有通气腔和与通气腔连通的防溢腔,通气腔内设有套筒,套筒内设有由上至下直径逐渐减小的阶梯孔,套筒与单向阀之间连接有通气管,套筒内滑动连接有密封板,密封板上连接有推杆,推杆外包覆有一端固定在套筒内的弹簧;防溢腔的一侧与油箱连通,防溢腔内滑动连接有内部中空的浮体,浮体上设有支杆,支杆为“Z”字形的连杆,连杆的一端转动连接在通气腔内且位于推杆的正下方。采用本发明技术方案克服了现有的油箱发生倾倒后,油箱内储存的油料分子容易泄露的问题。可用于油料的安全储存。


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    Title :

    Anti-overflow valve for oil tank


    Additional title:

    一种油箱用防溢阀


    Contributors:
    JIANG XINSHENG (author) / QIAN HAIBING (author) / HE DONGHAI (author) / WANG DONG (author) / LIANG JIANJUN (author) / LI JIN (author) / YU BINBIN (author) / ZHANG PEILI (author) / ZHOU YI (author)

    Publication date :

    2020-05-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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