Mask
A mask and face shield technology, applied in the field of masks and protective masks, can solve the problems of difficulty in transmitting the voice of speech, poor breathing of users, and insufficient protection performance, and achieve good sound transmission, good reusability, and good sealing performance. Effect
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[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0025] Such as figure 1 As shown, a mouth mask comprises a mask body 1 with a breathing chamber 2 and a blower 4, and the mask body 1 is provided with an air inlet 3, and the air inlet 3 is connected with an air delivery pipe at the outlet end of the blower 4; the mask body 1 is provided with an air vent 29, and the air vent 29 is provided with a filter assembly 5. The filter assembly 5 is detachably mounted on the vent 29 . The mask body 1 is also provided with a one-way exhaust valve 6 for guiding the gas to be exhausted in one direction from the breathing chamber 2 to the outside of the mask body 1 . An airflow adjustment part 7 for adjusting the airflow direction of the air intake hole 3 is arranged in the breathing chamber 2 .
[0026] The mask body 1 is a hard plastic material, and the edge of the mask body 1 for bonding with the face of the hu...
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