Respirator with air purifying function

Abstract

An air cleaning respirator has an air chamber with an air filter in it, and a respiratory tube connected between said air chamber and human respiratory tract and with a nipple for human mouth and a soft nose coupler for human nose.

Description

technical field [0001] The invention relates to an air purification and labor protection device, in particular to an air purification breathing device for mouth and nose breathing. Background technique [0002] The commonly used masks now generally cover the mouth and nose at the same time, with multi-layer breathable gauze, with a cotton layer or filter layer in the middle, through the gauze layer and filter layer to filter the dust, impurities, harmful bacteria or gases in the air before entering Human respiratory tract. However, because the respiratory tract is too close to the gauze, and when the human body exhales the exhaust gas in the body, there will be heat exchange, so that water vapor often gathers in the gauze and sticks to the skin near the respiratory tract, so someone designed a A mask that prevents gauze from sticking to the skin, as mentioned in Chinese patent 96209278.9, includes a filter chamber that communicates with the inside and outside, and is suppor...

AI Technical Summary

Problems solved by technology

But the shrinkage of this rubber belt and its adjustable range are limited, and its filter mask is also a common double-sided mask, and the same cannot make the air entering the respiratory tract fully filtered

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