The invention provides a lifebuoy. The lifebuoy is characterized in that a concave driver positioning area is arranged at one end of an inner frame; a driver is pivoted to the wall of the concave driver positioning area; a connection port is formed in the other end of the inner frame, and is fixedly connected with a compressed air storage vessel; a concave pricking pin accommodating area is arranged on the inner frame at the bottom surface of the concave driver positioning area; a passage communicated with the connection port is arranged on the bottom surface of the concave pricking pin accommodating area; a limiting step is formed between the passage and the concave pricking pin accommodating area; an air outlet is formed in the side surface of the passage, and is connected with an air inlet of an air bag; a pricking pin and a resetting device are arranged in the concave pricking pin accommodating area; the upper side of a pin cap is propped against the driver, and covers one end of the resetting device; a pin body is arranged in the presetting device in a penetrating manner; and the other end of the resetting device is propped against the limiting step. The lifebuoy has the beneficial effects that firstly, misoperation can be reduced, and triggering the pricking pin unnecessarily is avoided; secondly, the lifebuoy is easy to carry, light in weight, and suitable for being worn in outdoor activities; and thirdly, the lifebuoy is high in triggering precision, and safe and reliable.


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    Title :

    Lifebuoy


    Contributors:
    ZHOU ZHIKE (author)

    Publication date :

    2015-12-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS , Zuwasserlassen, Trockenstellen, Docken oder Bergen von Schiffen



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