Mouth-nose mask respirator

口鼻罩式防毒面具

Abstract

本实用新型为一种口鼻罩式防毒面具,其包含其上带有系带的外凸式口鼻罩,口鼻罩前面固定有呼气阀,口鼻罩下部固定有吸气阀,与吸气阀密封联接固定有其内装有吸附剂的滤毒盒,在滤毒盒内的吸附剂上部、与滤毒盒盒体内壁密封固定有电玻纤滤纸构成的精细过滤层。精细过滤层还包含一个框架,玻纤滤纸先固定在该框架上,框架再密封固定在滤毒盒的内壁上。本实用新型通过在现有口鼻罩式防毒面具的滤毒盒内增加精细过滤层,提高了防毒面具的过滤效果,扩大了其应用领域;该口鼻罩式防毒面具对半径0.14-0.17um的油雾的过滤效率在95%以上,特别是对各种病菌等有害生物因子有特殊的过滤效果。
The utility model relates to a mouth-nose mask respirator, comprising a convex nose cup with ties, an expiratory valve arranged on the front of the nose cup, an exhalation valve arranged on the lower part of the nose cup, the an exhalation valve is sealed with a filtrating box with sorbent inside and a fine filtering layer made of electric glass fiber sealed on the upper of the sorbent which is inside the filtrating box and on the inner wall of the box body of the filtrating box. The fine filtering layer also comprises a frame and the glass fiber is fixed on the frame which is sealed on the inner wall of the filtrating box. As the utility mode has a fine filtering layer in the filtrating box of the mouth-nose mask respirator, the filtering effect of the mask respirator is improved and the application area of the utility model is enlarged; the mouth-nose mask respirator has a filtering efficiency of the oil and mist which has a diameter of 0.14-0.17 um of more than 95 percent, the utility model has, particularly, a filter effect on the harmful organisms such a various germina.

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Cited By (4)

    Publication numberPublication dateAssigneeTitle
    CN-101057016-BSeptember 05, 20123M创新有限公司Particle-containing fibrous web
    CN-104837429-AAugust 12, 2015株式会社山凊防毒面具
    CN-104837429-BMay 10, 2017株式会社山凊防毒面具
    CN-106418803-AFebruary 22, 2017山西新华化工有限责任公司Efficient filtration type anti-haze mask