High-efficiency low-resistance protective mask

The utility model provides an efficient low-resistance protective mask which comprises a first arc-shaped mask, in the unfolded state, the first arc-shaped mask is rectangular, the upper side of the first arc-shaped mask extends inwards to form a second arc-shaped mask, the lower side of the first a...

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Bibliographic Details
Main Authors MAO YONGFEI, LI JIANFU, WANG XIN, JIA XIPENG, LI XU, LEE SEUNG-MYUNG, JIN GUIYUN, LI SHULI, TOBEN
Format Patent
LanguageChinese
English
Published 26.05.2023
Subjects
ACCESSORIES
HUMAN NECESSITIES
OUTERWEAR
PROTECTIVE GARMENTS
WEARING APPAREL
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Summary:The utility model provides an efficient low-resistance protective mask which comprises a first arc-shaped mask, in the unfolded state, the first arc-shaped mask is rectangular, the upper side of the first arc-shaped mask extends inwards to form a second arc-shaped mask, the lower side of the first arc-shaped mask extends inwards to form a third arc-shaped mask, and the second arc-shaped mask is integrally and gradually shrunk from bottom to top to be in a conical shape. The third arc-shaped cover is integrally and gradually shrunk from top to bottom to form an inverted cone; the two ends of the second arc-shaped cover are connected with the two telescopic belts correspondingly, and the telescopic belts at the two ends are connected through a flexible gasket. At least one mounting seat is arranged on the outer side of the first arc-shaped cover, a hole is formed in the center of the mounting seat, and the mounting seats are detachably connected with the air inducing assembly. According to the protective mask,
Bibliography:Application Number: CN202320272378U