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实用新型
CN205031802U 抽拉式个体粉尘防护面罩 失效 - 权利终止

抽拉式个体粉尘防护面罩
摘要：
抽拉式个体粉尘防护面罩，属于职业卫生用品技术领域，包括外侧支撑片、鼻部内层密封层、右脸内层密封层、左脸内层密封层、抽拉槽、抽拉手柄、阻尘滤膜以及挂耳或安全帽连接件，外侧支撑片为弧形片状结构，分别与鼻部内层密封层、右脸内层密封层以及左脸内层密封层连接；外侧支撑片上设置有两条抽拉槽，且两条抽拉槽之间设置有1个～50个孔洞；阻尘滤膜设置在抽拉槽内；抽拉手柄与阻尘滤膜外侧的支撑架短边连接；抽拉槽、挂耳或安全帽连接件与外侧支撑片固定连接。本实用新型可以为作业人员提供较为灵活的粉尘防护方式，在粉尘浓度较高的地区起到良好的粉尘防护效果，在低浓度的粉尘浓度场所满足作业人员对氧气摄入量的需求。
摘要（英）：

Individual dust protective face mask of pull formula belongs to occupational health articles for use technical field, supports piece, nasal part inlayer sealing layer, right face inlayer sealing layer, left face inlayer sealing layer, pull groove, pull handle, dust prevention filter membrane and hangers or safety helmet connecting piece including the outside, and the outside is supported the piece and is the arc sheet structure, is connected with nasal part inlayer sealing layer, right face inlayer sealing layer and left face inlayer sealing layer respectively, the outside is provided with two pull grooves on supporting the piece, and is provided with 1~50 holes between two pull grooves, the dust prevention filter membrane sets up at the pull inslot, the pull handle is connected with the support frame minor face in the dust prevention filter membrane outside, pull groove, hangers or safety helmet connecting piece support piece fixed connection with the outside. The utility model discloses can provide comparatively nimble dust protection method for the operation personnel, play good dust protecting effect in dust concentration higher area, satisfy the demand of operation personnel to the oxygen intaking amount in the dust concentration place of low concentration.

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