A breathing tube comprises a breathing tube body extending out of the water surface, and is characterized in that the tail end of the breathing tube body is connected with a ventilating cover; a plurality of air vents are formed in the tube wall, below the ventilating cover, of the breathing tube body; an annular ventilating opening communicated with the air is formed between the annular wall, extending downwards, around the ventilating cover and the breathing tube body; a floating switch is arranged below the annular ventilating opening; the floating switch is in the shape of a ring and is connected to the breathing tube body in an up-down sliding manner; a floating body is also fixed on the breathing tube body. A two-way tube is arranged at the lower end of the breathing tube body, to be connected with a hose communicated with a respirator, an elastic band connected with the head of a person is arranged on the respirator, a counterweight is arranged at the lower part of the breathing tube body, the breathing tube body can be maintained at an upright posture in water. The breathing tube has the beneficial effects that choking water is completely avoided, safety is high, and the breathing tube is suitable for beginners to learn to swim and can also be used as a long-duration diving tool for swimmers.


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    Title :

    Breathing tube


    Contributors:
    WANG FANJUN (author)

    Publication date :

    2015-05-20


    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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