| 摘要 |
The present invention relates to a multifunctional mask. The multifunctional mask according to the present invention comprises: an upper mask (110), which is provided with a protective lens (113) for covering the eyes of a wearer and securing the wearer's visual field and has inlet holes (115) formed in one side thereof; and a lower mask (120), which is provided under the upper mask (110), covers the wearer's nose and mouth, and has first check valves (123) communicating with the upper mask (110) and second check valves (125) communicating with the outside, wherein: the first check valves (123) allow the passage of gases only in the direction from the upper mask (110) to the lower mask (120); the second check valves (125) allow the passage of gases only in the direction from the lower mask (120) to the outside; the gases, which have flowed into the upper mask (110) via the inlet holes (115), are transferred to the lower mask (120) via the first check valves (123) and then inhaled through the wearer's nose or mouth; and the gases exhaled through the wearer's nose or mouth are discharged to the outside via the second check valves (125). |
