| 摘要 |
PURPOSE: A personal helmet aid and a foldable aid are provided to prevent a user from being suffocated by toxic gas and hot gas. CONSTITUTION: A personal helmet aid comprises: a helmet body(400) comprising an outer cover(410), a liner(420); and an air storage(s) which is formed between the outer cover and liner; an inflow switching unit(411) equipped in an air supply nozzle formed in the outer cover; a discharge switching unit(510) which is formed in an inner space of the helmet body and opens and closes an air outlet(421); an exhaust operation unit(520) installed in the outer cover; and a transparent window formed in the front of the outer cover.
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