CN2411811Y

CN2411811Y - Multi-prevention gauze mask

Info

Publication number: CN2411811Y
Application number: CN 99258981
Authority: CN
Inventors: 黄志宽
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-12-30
Filing date: 1999-12-30
Publication date: 2000-12-27
Anticipated expiration: 2009-12-30

Abstract

The utility model discloses a mask which is composed of a semi-mask, a filtering round tank and filtering adsorption materials, wherein the filtering round tank is provided with a middle cavity and the circumference of the filtering round tank is provided with a plurality of ventilation holes. The filtering round tank is arranged below the semi-mask, and the circumference of the round tank is provided with the ventilation holes. Air enters the filtering round tank from the circumference of the round tank to be filtered. The mask has large effective filtering area and ventilation area, and improves ventilation performance and filtering effect. The middle of the round tank is provided with the middle cavity. The air after the filtering enters the semi-mask through the middle cavity. The filtering adsorption materials in the filtering round tank can be changed and selected according to different protective needs.

Description

Multi-prevention gauze mask

The utility model relates to a kind of mouth mask, a kind ofly is made up of demifacet cover, the interior filtration garden jar that has a lot of passages by lumen, all around, can select the mouth mask of filtering adsorbing material as required arbitrarily for use.

It is long-pending too small that the effective ventilation of existing mouth mask cuts stone, causes that the air pressure in the mouth mask differs bigger with the outer atmospheric pressure of cover when breathing, during expiration toxic emission not smooth, oxygen supply is not good when air-breathing, directly feeling of user is not only hot but also vexed.And existing its filtering adsorbing material of mouth mask can not be changed arbitrarily, and safeguard function is few.

It is long-pending that the purpose of this utility model is that the effective ventilation that enlarges mouth mask cuts stone, improves the strainability and the transparent performance of mouth mask.And can select different filtering adsorbing materials as required for use, a cover to be used.

For achieving the above object, the utility model is by the demifacet cover, in lumen is arranged, the filtration garden jar that is full of passage is all around formed.

Existing accompanying drawings is as follows:

Figure one is a front view, and figure two is a cross section view.As shown in the figure, filtration garden jar 2 is set below demifacet cover 1.Be covered with passage 5 around the jar of filtration garden, a lumen 3,4th is arranged in the jar of filtration garden, filtering adsorbing material, the 6th, sealing gasket, the 7th, the lid of filtering tank during for the replacing filtering adsorbing material, screws out filtration garden jar.Do the gas defence time spent, filtering adsorbing material can be selected active carbon for use.Do the dustproof time spent, filtering adsorbing material can be selected gauze for use.Promptly roll of gauze on filter, make filter separate gauze from level to level (be not close together, influence permeability), be rolled into the garden tube of a hollow, and gauze soaked with clear water.Insert in the filtering tank then.Do other protection time spent, can prepare various corresponding soup, allow gauze soak soup, insert then and get final product in the filtering tank.

Adopt such structure.Air enters around the jar of garden, and harmful substance is filtered sorbing material 4 and filters, when arriving lumen 3, by filtering.Entered the demifacet cover by the air of filtering by valve 8.Enter nasal cavity then.Effective filtration area and breathing area are big.Strainability and transparent performance are good.Can select and change filtering adsorbing material arbitrarily for use according to different requirement of shelter, a cover to be used.

Claims

A kind of mouth mask by demifacet cover and interior by lumen, all around by the filtration garden jar of a lot of passages and can change the filtering adsorbing material of selecting for use arbitrarily and form, is characterized in that:

In the below of demifacet cover (1) filtration garden jar (2) is set, in the jar of garden all around is the filtering adsorbing material (4) that can change arbitrarily, and the middle part of filtration garden jar is lumen (3), and a lot of passages (5) are arranged around the garden jar (2).