Single-motor double-duct electric mask
A technology of double air duct and single fan, applied in clothing, clothing, protective clothing, etc., can solve the problem of gas outflow, etc., and achieve the effect of simple structure
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[0015] In order to easily understand the technical means, creative features, goals and effects of the present invention, the present invention will be further described below in conjunction with specific illustrations.
[0016] Such as Figure 1-3 Shown, a kind of electric mask of single blower fan double air channel comprises mask body 1, and mask body 1 comprises blower fan body 2, valve 3, first bypass mechanism, second bypass mechanism and air outlet 4, a part of mask body 1 The side is provided with a channel 5, and the inside of the mask body 1 is provided with a cavity, and one side of the mask body 1 is provided with a circular opening matching the fan body 2, and the circular opening is located in the middle of the channel 5, and the fan body 2 passes through The circular opening is placed in the cavity. One side of the fan body 2 is provided with a plurality of air outlets 4 at equal intervals. The plurality of air outlets 4 communicate with the channel 5 together. ...
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