Air supply valve for air respirator
An air supply valve and respirator technology, applied in the field of respirator, can solve the problems of decreased human comfort, increased inspiratory resistance, insufficient air volume, etc., and achieve the effects of improving breathing comfort, increasing breathing air supply, and convenient operation
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[0025] Example: see figure 1 , figure 2 as well as image 3 , an air supply valve for an air respirator, comprising an air supply valve body 1, the air supply valve body 1 comprising an air supply valve housing 101, a medium pressure air connector 102, a positive pressure mechanism 103 and an air supply chamber. The medium pressure air connector 102 is located on one side of the air supply valve housing 101, and the positive pressure mechanism 103 includes a positive pressure mechanism housing 104, an air intake channel, a decompression mechanism and an air outlet channel, wherein the air intake channel is connected to the medium pressure air connector. 102, and the air outlet channel communicates with the air supply chamber. On the other side of the gas supply valve casing 101 is provided a bypass flow regulating device 2 , the bypass flow regulating device 2 includes a tubular shell 21 , a piston shaft 22 , a knob 23 and a button 24 .
[0026] The front end of the knob 2...
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