Radial-flow chemical experiment gas mask

Abstract

The invention discloses a radial-flow chemical experiment gas mask. The radial-flow gas mask for chemical experiment is novel in structure, used for assisting a user in breath, and comprises a mask body and a breath filtering part, wherein the breath filtering part is formed at the front end of the mask body and arranged at the mouth position of the user; the front end of the breath filtering partserves as an air intake part; the rear end of the air intake part is equipped with a filtering assembly; a fan mounting cavity is formed between the air intake part and the filtering assembly; a centrifugal fan impeller is mounted in the fan mounting cavity; and outgoing air of the centrifugal fan impeller faces the main body. According to the radial-flow chemical experiment gas mask provided bythe invention, the centrifugal fan impeller can be driven through incoming air of the air intake part to rotate and the axial transmission of air can be converted into the radial-flow transmission; along with the rotation of the centrifugal fan impeller, the air pressure can be increased and the air intake volume can be improved; and accordingly, the user can be assisted in breath and the good using effect can be achieved.

Description

technical field [0001] The invention relates to the technical field of chemical instruments, in particular to a radial-flow chemical experiment gas mask. Background technique [0002] In the prior art, when doing experiments in the laboratory or in some special workplaces, if the air contains toxic gases, it is necessary for the staff to wear gas masks throughout the process. The existing gas masks are divided into single filter box type and multi-filter box type. Generally, the multi-filter box type includes two filter boxes arranged symmetrically, while the single filter box type installs a filter box near the user's mouth at the front end of the mask. [0003] The publication number is CN106581880A, and the application date is December 09, 2016. In a Chinese invention patent application titled "A Gas Mask for Chemical Experiments", it designs a gas mask that can disassemble the filter box. Its purpose In order to adapt to different air environments, the activated carbon ...

AI Technical Summary

Problems solved by technology

[0003] The publication number is CN106581880A, and the application date is December 09, 2016. In a Chinese invention patent application titled "A Gas Mask for Chemical Experiments", it designs a gas mask that can disassemble the filter box. Its purpose In order to adapt to different air environments, the activated carbon layer and / or gauze layer inside the filter box can be replaced at any time. Although the gas mask can easily replace the filter box and make the gas mask adapt to various air environments, due to the size of the filter box currently used There will be differences, and individual filter boxes cannot be opened and replaced with filter layers such as internal activated carbon layers or gauze layers, etc., which are used to absorb harmful gases. layer function, the structure of the filter box needs to be specially designed, the scope of use is not extensive, and it is a special equipment

[0004] In addition, most of the existing gas masks rely on people's normal breathing to realize their functions. However, for people who have difficulty breathing, buckling the gas masks on their faces will hinder breathing even more.

And the root cause of the above-mentioned problem is that existing gas mask does not have the device of assisted respiration

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