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Micro-positive-pressure self-inhalation filter type escape breather

A self-priming filter type, micro-positive pressure technology, applied in the field of respirator, can solve the problem of inhalation not helping

Pending Publication Date: 2020-10-20
SHANGHAI BAOYA SAFETY EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] This patent is just like a conventional self-priming negative pressure respirator, which is only helpful for air filtration, but not helpful for people's inhalation. good escape respirator

Method used

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  • Micro-positive-pressure self-inhalation filter type escape breather

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with accompanying drawing, and the structure and principle of the present invention are very clear to those skilled in the art. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] see figure 1 , the present invention provides a self-priming filtering escape respirator, comprising a hood, a mouth and nose mask and an exhalation valve, the front end of the hood is provided with a mouth and nose mask, the upper and lower ends of the mouth and nose mask are provided with clips, the head There is a hole in the cover, and the clamp is inserted into the hole to connect the mouth and nose mask with the head cover. The front end of the head cover is provided with a transparent window above the mouth and nose mask. The transparent window is in the range of the eyes of the human body. Welded on the hood....

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Abstract

The invention relates to the technical field of breathers, specifically to a micro-positive-pressure self-inhalation filter type escape breather. The escape breather comprises a hood and a mask; and the mask is provided at the front end of the hood. The escape breather is characterized in that a canister is provided on the mask; a smoke filter layer and an activated carbon poison filter layer areprovided in the canister; a fan is provided at the back end of the canister, and provides micro-positive-pressure wind power; a transparent window is provided at the front end of the hood above the mask; and an exhalation valve is provided under the mask, and is disposed in the lower portion of the hood. The escape breather has the advantages that the canister has the activated carbon poison filter layer and the smoke filter layer to achieve the effect of dual filtration, and the fan can provide the micro-positive-pressure wind power to help people who is inconvenient to breathe to inhale.

Description

technical field [0001] The invention relates to the technical field of respirators, in particular to a micro positive pressure self-priming filter type escape respirator. Background technique [0002] With the development of the economy, there are more and more heavy chemical industries in our country. Due to our special national conditions of dense population and backward transportation, once an accident occurs, many people often die on the way to evacuate. A typical example is the "12.23" huge blowout accident on December 23, 2003, which occurred in a gas mine in Northeast Sichuan, killing a total of 243 people and evacuating 65,632 people. After field investigation, it was found that 700 meters away from the wellhead, the dead population concentrated on the evacuation road, while the farmers who hid at home often survived. [0003] At present, there are various dust-proof, smoke-proof and gas-proof masks and masks in China, all of which are self-priming negative pressure...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A62B7/10A62B9/00A62B9/02A62B9/06A62B23/02
CPCA62B7/10A62B9/00A62B9/02A62B9/06A62B23/025
Inventor 张守政袁圣富
Owner SHANGHAI BAOYA SAFETY EQUIP
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