| 摘要 |
PURPOSE: An automatic time control gas injector for a rescue tube and a life jacket is provided to inject air to the rescue tube and the life jacket promptly by pushing a button, and to control injection time automatically according to position of a sufferer. CONSTITUTION: An automatic time control gas injection device is composed of a body(5); a connecting part(10) combined with an air injection port of a rescue tube or a life jacket; a liquefied gas container(20) charging compressed liquefied gas, and having an exhaust port(20a); a gas blow-off unit blowing off gas from the liquefied gas container to the air injection port; a time adjusting rod(25) combined with the body, and moved down by combining with an assembling groove of a friction gear; and the friction gear turning a gear by pushing a button(40). The gas injector is used simply with injecting air by pushing the button, and recycled and carried conveniently. Expansion time of air is controlled automatically with the time adjusting rod, and the tube is sealed automatically with inserting porous material to the tube.
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