Built-in breather valve and air filtering mask of fan
A fan and mask technology, applied in the field of air filter masks with built-in breathing valve and fan, can solve the problems of high breathing resistance, aggravating the quality of the mask, and feeling uncomfortable, and achieve the effect of being willing to wear and breathing smoothly
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[0019] The filter dustproof mask with a built-in fan includes a filter part, an air inlet part, and a mask shell part. After the fan 7 is activated through the touch button on the main board 9, the flow of the wind will be accelerated, and the gas sucked by the fan 7 will pass through the air inlet grille 3 , the clean air filtered by the high-grade electrostatic fiber filter material and activated carbon layer 11 is blown into the mask shell 1, and at the same time, the air intake check valve 5 is opened and enters the mask shell 1, and enters the human body through the respiratory organ. During the gas, the air outlet one-way valve sheet 5 on both sides of the mask shell is opened, and the gas is discharged from the mask shell 1.
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