Novel mask with breather valve
The utility model discloses a novel mask with a breather valve in the field of masks, which comprises a mask body, a first exhaust port arranged on the outer surface of the mask body, a connecting ring fixedly connected to the outer surface of the mask body, a second exhaust port arranged on the fro...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
11.01.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model discloses a novel mask with a breather valve in the field of masks, which comprises a mask body, a first exhaust port arranged on the outer surface of the mask body, a connecting ring fixedly connected to the outer surface of the mask body, a second exhaust port arranged on the front side of the connecting ring, a fixing ring arranged on the front side of the connecting ring, and a third exhaust port arranged on the front side of the fixing ring. The first exhaust port, the second exhaust port and the third exhaust port are communicated, two sliding grooves are formed in the front face of the connecting ring, the effect of clamping the fixing ring is achieved through cooperation of the sliding grooves and sliding blocks, and due to the fact that the fixing ring is connected with the breathable shell, the effect of connecting the breathable shell is achieved through clamping of the fixing ring; according to the mask, the function of detaching and replacing the breathable shell is achieved by |
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Bibliography: | Application Number: CN202121357590U |