Novel airtight protective mask

Abstract

A novel airtight protective mask comprises: a mask body sequentially having at least an outer layer, a middle layer and an inner layer; at least two airtight sheets; each one of the aright sheets comprising a fixation portion and a sealing portion extending from the fixation portion; the fixation portion configured to cover one side of the mask body and fixedly attached to the outer layer and the inner layer; the sealing portion arranged corresponding to a direction of the inner layer; two fixed attachment area sets, and each one of the fixed attachment area sets comprising an upper fixation area and a lower fixation area; the upper and lower fixation areas fused to the mask body corresponding to two upper and lower ends of the sealing portion respectively; and a lanyard set, comprising two lanyards; the two lanyards connected to the two sides of the mask body respectively.

1 . A novel airtight protective mask, characterized in that, comprising:
 a mask body sequentially having at least an outer layer, a middle layer and an inner layer;   at least two airtight sheets fixedly attached to two sides of the mask body respectively;   each one of the aright sheets comprising a fixation portion and a sealing portion extending from the fixation portion; the fixation portion configured to cover one side of the mask body and fixedly attached to the outer layer and the inner layer; the sealing portion arranged corresponding to a direction of the inner layer;   two fixed attachment area sets, and each one of the fixed attachment area sets connected to the airtight sheets and the mask body; the fixed attachment area set comprising an upper fixation area and a lower fixation area; the upper and lower fixation areas fused to the mask body corresponding to two upper and lower ends of the sealing portion respectively; and   a lanyard set, comprising two lanyards; the two lanyards connected to the two sides of the mask body respectively.   
     
     
         2 . A novel airtight protective mask according to  claim 1 , characterized in that the airtight sheet is a single-layer structure or a multi-layer structure. 
     
     
         3 . A novel airtight protective mask according to  claim 2 , characterized in that a fold cross section of the mask body is of an Ω shape or a zigzag shape. 
     
     
         4 . A novel airtight protective mask according to  claim 3 , characterized in that the lanyard set is positioned on the outer layer or the inner layer and is arranged to face toward an inner side direction of the mask body. 
     
     
         5 . A novel airtight protective mask according to  claim 1 , characterized in that the airtight protective mask further comprises an upper airtight sheet fixedly attached to an upper side of the mask body. 
     
     
         6 . A novel airtight protective mask according to  claim 5 , characterized in that the airtight protective mask further comprises a lower airtight sheet fixedly attached to a lower side of the mask body. 
     
     
         7 . A novel airtight protective mask according to  claim 1 , characterized in that the mask body is formed of two longitudinal folds. 
     
     
         8 . A novel airtight protective mask according to  claim 7 , characterized in that the airtight protective mask further comprises an exhalation valve installed on the mask body. 
     
     
         9 . A novel airtight protective mask according to  claim 1 , characterized in that the airtight protective mask further comprises an embedded nose pad arranged on a top portion of the mask body and disposed between the inner layer and the outer layer.