Breathing mask
The utility model belongs to the technical field of conflagration survival kit technique and specifically relates to a breathing mask is related to. It includes face guard body, a fastener, the 2nd fastener, elasticity fastener, rigidity fastener and connecting piece, connecting piece fixed connecti...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model belongs to the technical field of conflagration survival kit technique and specifically relates to a breathing mask is related to. It includes face guard body, a fastener, the 2nd fastener, elasticity fastener, rigidity fastener and connecting piece, connecting piece fixed connection is passed through in the both ends of controlling of face guard body respectively in elasticity fastener's both ends, the rigid fastening device is at least two, rigid fastening device and elasticity fastener cross arrangement, connecting piece and this body coupling of face guard are passed through to the upper and lower both ends of rigid fastening device, a fastener sets up on elasticity fastener, the 2nd fastener sets up between two adjacent rigidity fastener. The utility model disclosesa swiftly wearing, having reduced and worn the required time, and owing to have six contact points at least with the face guard body, guaranteed sealed effect, for stranded personnel have striven forthe time at fire escape, i |
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