Anti-haze gauze mask
An anti-smog, this anti-smog technology, applied in the field of sanitary products, can solve problems such as stuffiness and inconvenient breathing, and achieve the effect of reducing difficulty in breathing
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[0014] exist figure 1 In the shown embodiment, this anti-smog mask includes cover body and elastic strap 1;
[0015] The cover body includes a buffer cavity 2, the front side of the buffer cavity 2 is made of an insulating layer 21, the rear side is made of a breathing layer 22, and the other sides of the buffer cavity 2 are sealed by an airtight material; 22 is provided with a one-way exhaust valve 3, and the one-way exhaust valve 3 passes through the isolation layer 21 and leads directly to the outside; The valve 4 communicates with the buffer chamber 2;
[0016] On the buffer chamber 2, there is also a suction pipe 5 next to it. One end of the suction pipe 5 extending into the buffer chamber 2 is airtightly sleeved with an elastic bag 51, and the other end of the suction pipe 5 is provided with an elastic bag made of elastic material. Aspirator 52, a one-way air extraction valve 53 is installed on the air extraction pipe 5; the one-way air extraction valve 53 only allows ...
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