Mask body for quickly installing mouth-nose sleeve
The utility model discloses a mask body for quickly installing a mouth-nose sleeve, which comprises a mask body and ear hooks arranged on the left side and the right side of the mask body, and the mask body comprises a mask inner layer and a mask outer layer; an air inlet valve penetrating opening a...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a mask body for quickly installing a mouth-nose sleeve, which comprises a mask body and ear hooks arranged on the left side and the right side of the mask body, and the mask body comprises a mask inner layer and a mask outer layer; an air inlet valve penetrating opening and an air outlet valve penetrating opening are formed in the inner layer of the mask, and a first frame is arranged on the peripheries of the air inlet valve penetrating opening and the air outlet valve penetrating opening; the mask outer layer is provided with a second frame used for being connected with the air outlet tail end of the exhalation one-way valve in a sealed mode. The utility model aims to provide the mask body for quickly installing the mouth and nose sleeve, which is simple in structure and low in manufacturing cost, can be improved by utilizing the existing mask, can realize quick installation of the mouth and nose sleeve, enables the mouth and nose sleeve to be perfectly combined with the mask bod |
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