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A nasal mask for air filtration

A technology of air filtration and nasal mask, which is applied in the field of nasal mask, can solve the problems of inconvenient use, and achieve the effect of good sealing and comfort, good air permeability and beautiful wearing

Active Publication Date: 2021-05-07
刘贞贞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But it is inconvenient to use with glasses

Method used

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  • A nasal mask for air filtration
  • A nasal mask for air filtration
  • A nasal mask for air filtration

Examples

Experimental program
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Effect test

Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings:

[0019] Referring to the accompanying drawings: in this embodiment, a nasal mask for air filtration includes a nasal mask main body 4 worn on the nose, and the front part of the nasal mask main body 4 is provided with two straps that can fasten the legs of the glasses 5. A detachable fixing strap 3 is connected to the top of the nose mask main body 4. The upper part of the fixing strap 3 is mounted on a buckle 2 that can adjust the length of the fixing strap 3. The buckle 2 is fixed on a forehead. In the middle of the belt 1, the nasal mask main body 4 includes a nasal mask housing 402 surrounding the outer nose. The inner wall of the bottom of the nasal mask housing 402 is provided with a filter element installation groove 406, and the filter element installation groove 406 is installed with a filter covering the nostrils. Assembly 407, the filter assembly 407 is compo...

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Abstract

The invention discloses a nasal mask for air filtration, which comprises a nasal mask main body worn on the nose. The front part of the nasal mask main body is provided with two straps which can tie glasses support feet. The top of the nasal mask main body is connected with a A detachable fixing belt, the upper part of the fixing belt is installed on the buckle that can adjust the length of the fixing belt, and the buckle is fixed in the middle of a forehead belt. The main body of the nasal mask includes the nasal mask shell surrounding the outer nose, and the nasal mask shell There is a filter installation slot on the inner wall of the bottom, and a filter assembly covering the nostrils is installed on the filter installation slot. The filter assembly is composed of a mounting plate and two breathing heads on it. There is an air suction hole in the center of the breathing head. A circle of grooves is arranged under the breathing head, and several exhalation holes arranged in a circle are arranged between the upper inner wall of the inhalation hole and the groove, and valves that can be opened and closed are arranged on the exhalation holes. The invention is easy to wear, can be disassembled and used together with glasses, is comfortable and beautiful, has good air filtering effect and smooth breathing.

Description

technical field [0001] The present invention relates to a nasal mask, in particular to an air filtering nasal mask. Background technique [0002] On April 19, 2013, the National Committee for the Approval of Terms of Science and Technology named PM2.5 as fine particulate matter, and its chemical composition mainly includes organic carbon, elemental carbon, nitrate, sulfate, ammonium salt, sodium salt, etc. At this stage, most people use traditional masks to protect against fog or haze, but masks hinder people's normal breathing and are not comfortable. CN201520052033.0 discloses a direct exhalation type mask or nasal mask, comprising a plastic arc-shaped mask frame attached to the outside of the nose and adapting to changes in the shape of the nose, and the arc-shaped mask frame is fixed on the mask or nasal mask. The position corresponding to the nostrils on the arc-shaped cover frame is provided with a valve that can realize direct discharge of exhalation and automatic cl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A62B7/10A62B9/06A62B9/04
CPCA62B7/10A62B9/04A62B9/06
Inventor 刘贞贞
Owner 刘贞贞
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