CN212282588U

CN212282588U - Breathing valve for mask

Info

Publication number: CN212282588U
Application number: CN202020253098.2U
Authority: CN
Inventors: 胡贝
Original assignee: COLLEGE OF POST AND TELECOMMUNICATION OF WIT
Current assignee: COLLEGE OF POST AND TELECOMMUNICATION OF WIT
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2021-01-05
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a breathing valve of mask, one side of valve body shell is fixed with the connecting seat, and the inboard of connecting seat is fixed with and gathers the gas hood, and the upper and lower end of gathering the gas hood communicates respectively has expiratory tube and air duct, and the other end of air duct inserts and is equipped with the filter tube, and the bottom of filter tube is inserted and is equipped with the breathing pipe, all is fixed with fixed plate and rubber circle in air duct and the expiratory tube, and one side that the fixed plate is close to the rubber circle is fixed with the spring, the other end of spring, and paste and be fixed with the closing plate on the lateral wall of rubber circle. This mask breather valve will exhale and breathe in and keep apart, is favorable to blockking inspiratory dust and granule in the outside of air duct, and the air current of avoiding breathing the production blows the dust and floats, through be provided with two-layer filter screen in the filter tube for level filtering dust and granule impurity, be convenient for take out simultaneously and wash, utilize some gases that have the smell of honeycomb active carbon adsorption, reduce the inspiratory volume of smelly gas, improve the filter effect.

Description

Breathing valve for mask

Technical Field

The utility model relates to a breather valve field specifically is gauze mask breather valve.

Background

The mask is a sanitary article, generally worn at the mouth and nose part and used for filtering air entering the mouth and nose so as to achieve the purpose of preventing harmful gas, smell and spray from entering and exiting the mouth and nose of a wearer, is made of gauze or paper and the like, and is provided with a breather valve for filtering impurities such as dust, particles and the like in the air in order to meet different environmental requirements.

The mask breather valve that uses at present, its filtration mode is single, and inhales and exhales a pipeline of sharing, causes inspiratory dust to continuously float in the air delivery pipe, the deposit, and difficult to clear up, does not possess the gas that filters the smell nature and minimum particle impurity to lead to the filter effect not good.

To solve the above problems, we propose a mask breather valve.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide gauze mask breather valve, in order to solve above-mentioned technical problem, the utility model provides a following technical scheme:

the utility model discloses a breathing valve for mask, which comprises a valve body shell, a connecting seat, a gas gathering cover, a gas-guide tube, an expiratory tube, an inspiratory tube and a one-way valve, wherein one side of the valve body shell is fixed with the connecting seat for fixing on the respirator, and the inner side of the connecting seat is fixed with the gas gathering cover for breathing gathered air, the upper end and the lower end of the gas gathering cover are respectively communicated with the expiratory tube and the gas-guide tube, the other end of the gas-guide tube is inserted with a filter tube for filtering, the bottom end of the filter tube is inserted with the inspiratory tube, the gas-guide tube and the expiratory tube are internally provided with the one-way valve, the one-way valve comprises a fixed plate, a rubber ring, a spring and a sealing plate, the fixed plate and the rubber ring are fixed in the gas-guide tube and the expiratory tube, and one side of the fixed plate, which, and the sealing plate is fixed on the side wall of the rubber ring and is used for controlling the unidirectional flow of air.

Preferably, the outer end of the air suction pipe is inserted and fixed with a plug head, a placing groove is formed in the plug head, and honeycomb activated carbon is filled in the placing groove.

Preferably, two filter covers are fixed on the side of the valve body shell in a threaded manner, and the outer ends of the exhalation tube and the inhalation tube respectively extend into the filter covers.

Preferably, the rubber ring is internally provided with air guide holes with the size smaller than that of the sealing plate, and the air guide pipe and the one-way valve in the expiration pipe are installed in opposite directions.

Preferably, two layers of filter screens are arranged in the filter pipe.

Preferably, an opening is formed in one side of the filter pipe and located on the valve body shell, and an opening cover plate covers the opening.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: through be provided with expiratory tube and breathing pipe in the valve body shell, be used for exhaling and breathing in and keep apart, be favorable to blockking inspiratory dust and granule in the outside of air duct, the air current of avoiding breathing the production blows the dust and floats, establish and be connected with the filter tube through inserting between air duct and breathing pipe, and be provided with two-layer filter screen in the filter tube, be used for filtering dust and particle impurity in different levels, be convenient for take out simultaneously and wash, through be provided with honeycomb active carbon in the chock plug, be used for adsorbing some odorous gases, reduce odorous gaseous inspiratory volume, and the filtering effect is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the whole structure of the breathing valve of the mask of the present invention;

fig. 2 is a schematic view of the check valve of fig. 1 according to the present invention;

FIG. 3 is a schematic view of the stopper of FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a valve body housing; 2. a connecting seat; 3. a gas gathering cover; 4. an air duct; 5. an exhalation tube; 6. a filter tube; 7. an air intake duct; 8. a plug head; 9. a filter cover; 10. a fixing plate; 11. a rubber ring; 12. an air vent; 13. a spring; 14. a sealing plate; 15. a placement groove; 16. honeycomb activated carbon; 17. filtering with a screen; 18. an opening cover plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-4, the breathing valve of the mask comprises a valve body shell 1, a connecting seat 2, a gas-gathering cover 3, a gas-guide tube 4, an expiratory tube 5, an inspiratory tube 7 and a one-way valve, wherein the connecting seat 2 is fixed on one side of the valve body shell 1 and is used for being fixed on the mask, the gas-gathering cover 3 is fixed on the inner side of the connecting seat 2, the upper end and the lower end of the gas-gathering cover 3 are respectively communicated with the expiratory tube 5 and the gas-guide tube 4 to separate inspiration from expiration, a filter tube 6 is inserted at the other end of the gas-guide tube 4, the inspiratory tube 7 is inserted at the bottom end of the filter tube 6 and is used for filtering inhaled air, the one-way valve is arranged inside the gas-guide tube 4 and the expiratory tube 5, the one-way valve comprises a fixing plate 10, a rubber ring 11, a spring 13 and a sealing plate 14, a fixing plate 10 and a rubber ring, and a sealing plate 14 is fixed at the other end of the spring 13 and attached to the side wall of the rubber ring 11 and used for controlling the unidirectional flow of gas.

In this embodiment, the outer end of the air suction pipe 7 is inserted and fixed with a plug 8, a placing groove 15 is formed in the plug 8, and honeycomb activated carbon 16 is plugged in the placing groove 15 and used for adsorbing odorous gas.

In this embodiment, two filtering covers 9 are fixed to the side of the valve body housing 1 by screw threads, and the outer ends of the exhalation tube 5 and the inhalation tube 7 respectively extend into the filtering covers 9 for filtering large-particle impurities in one step.

In this embodiment, the rubber ring 11 is provided with air vents 12 therein, which are smaller than the sealing plate 14 in size, and the one-way valves in the air duct 4 and the expiratory tube 5 are installed in opposite directions, so as to facilitate one-way air transmission.

In this embodiment, two layers of filter screens 17 are disposed in the filter pipe 6 for filtering dust and particle impurities step by step.

In this embodiment, one side of the filter tube 6 is located on the valve housing 1, and an opening is opened, and the opening is covered by an opening cover plate 18, so that the filter tube 6 can be conveniently taken out for washing.

The utility model discloses a principle and advantage: the valve body shell 1 is sewn on the mask through the connecting seat 2, the connecting seat 2 can be made of thin rubber, then the mask is worn, when breathing in, air sequentially passes through the honeycomb activated carbon 16, the two layers of filter screens 17 and the air guide hole 12, the honeycomb activated carbon 16 adsorbs a part of odorous gas, the inhalation amount is reduced, the filter screens 17 perform double-layer filtering to increase the filtering effect, the pressure generated by breathing in compresses the spring 13 and drives the sealing plate 14 to separate from the air guide hole 12, so that the air smoothly enters the air gathering mask 3 for people to breathe, when breathing in, the one-way valve in the expiratory tube 5 is closed by the pressure of the breathing air to close the air guide hole 12, so that the expiratory tube 5 is blocked, the air can only enter from the air guide tube 4, when breathing out, the one-way valve in the air guide tube 5 is opened, the one-way valve in the air guide tube 4 is closed, the exhaled air can only be exhausted from the expiratory tube 5, the, stop the dust in the filter tube 6, and can not float indefinite in the air duct 4, during the washing, only need open the apron 18, it can to unscrew the filter tube 6 and wash filter screen 17, when changing honeycomb active carbon 16, can smash out honeycomb active carbon 16 from the link of chock plug 8 and change, spring 13 optional light, the plastic spring of elasticity a little, can extrude closing plate 14 paste on rubber circle 11 can, avoid increasing respiratory resistance, the filter screen that two-layer filter screen 17 optional meshes is different, be convenient for filter to granule and dust substep, overall structure possesses multi-level filtering capability, and effectively avoid the dust to float indefinite and the sedimentary condition in the air duct, and be convenient for wash, greatly increased filter effect.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Gauze mask breather valve, including valve body shell (1), connecting seat (2), gather gas cover (3), air duct (4), exhale tube (5), breathing pipe (7) and check valve, its characterized in that: the valve body comprises a valve body shell (1), wherein a connecting seat (2) is fixed on one side of the valve body shell (1), the inner side of the connecting seat (2) is fixed with an air gathering cover (3), the upper end and the lower end of the air gathering cover (3) are respectively communicated with an expiratory tube (5) and an air duct (4), the other end of the air duct (4) is inserted with a filter tube (6), the bottom end of the filter tube (6) is inserted with an inspiratory tube (7), the air duct (4) and the expiratory tube (5) are internally provided with a one-way valve, the one-way valve comprises a fixing plate (10), a rubber ring (11), a spring (13) and a sealing plate (14), the fixing plate (10) and the rubber ring (11) are fixed in the air duct (4) and the expiratory tube (5), and the spring (13) is fixed on one side, close to the rubber ring (11), of the fixing plate (10), the other end of the spring (13) is attached to the side wall of the rubber ring (11) and is fixed with the sealing plate (14).

2. The mask breather valve of claim 1, wherein: the outer end of the air suction pipe (7) is inserted and fixed with a plug head (8), a placing groove (15) is formed in the plug head (8), and honeycomb activated carbon (16) is plugged in the placing groove (15).

3. The mask breather valve of claim 1, wherein: the lateral side of the valve body shell (1) is fixed with two filtering covers (9) through threads, and the outer ends of the expiration pipe (5) and the inspiration pipe (7) respectively extend into the filtering covers (9).

4. The mask breather valve of claim 1, wherein: the rubber ring (11) is internally provided with air guide holes (12) with the size smaller than that of the sealing plate (14), and the air guide tube (4) and the one-way valve in the expiration tube (5) are installed in opposite directions.

5. The mask breather valve of claim 1, wherein: two layers of filter screens (17) are arranged in the filter pipe (6).

6. The mask breather valve of claim 5, wherein: an opening is formed in one side of the filter pipe (6) and is positioned on the valve body shell (1), and an opening cover plate (18) covers the opening.