| 摘要 |
<p>Disclosed is a respiratory air bag device, comprising an air filtration bag (110), an inner supporting bracket (120), a nose pad (130), a mouth pad (140), and an elastic band (150); the filtration bag (110) interacts with outside air and filters the air; the inner supporting bracket (120) supports and secures the nose pad (130) and the mouth pad (140); the nose pad (130) snugly encloses a human nose; the mouth pad (140) snugly encloses a human mouth; the inner supporting bracket (120) is disposed on the air filtration bag (110); the nose pad (130) and the mouth pad (140) are both disposed on the inner supporting bracket (120); and the two ends of the elastic band (150) are respectively fixed at the edges of the nose pad (130). The present invention is airtight, has a simple structure, low manufacturing costs and the like.</p> |
