Electric breathing mask
A face mask, electric technology, applied in the direction of respiratory protection devices, respiratory protection containers, breathing filters, etc., can solve problems such as difficulty breathing, discomfort, affecting work and health
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[0037] exist figure 1 , 2Among them, a circle of sponge outer edge (49) is fixed on the lower edge of the air chamber main body (1), and a main body ring (4) is fixed on the top of the air chamber main body (1), and there are An outer split ring (3), on the outer split ring (3), is covered with an inner split collar (13), the inner split ring (14) on the outer split ring (3) and the inner split collar (13) is just There is a main body ring internal thread (2) in the main body ring (4), and a circular cavity lower thread (11) is engaged with it, so that the circular cavity (5) is fixed on the Above the main body (1) of the air chamber, the oblique ring (10) on the circular cavity (5) is pressed on the main body ring (4), and compressed so that it cannot breathe; the inner lower end of the circular cavity (5) A motor (54) is housed in the motor chamber (6), and the periphery of the motor chamber (6) is a ventilation cavity (50), and an electric fan ( 33), the small hole (34) ...
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