CN216456583U

CN216456583U - Novel nanofiber gas mask

Info

Publication number: CN216456583U
Application number: CN202122981021.4U
Authority: CN
Inventors: 赵兴雷; 华婷; 蒋攀
Original assignee: Shanghai Xunjiang Technology Co ltd
Current assignee: Shanghai Xunjiang Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-10
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a novel nanofiber gas mask which comprises a nanofiber mask, a filter cylinder and a demisting box, wherein a mouth vent cover is arranged inside the nanofiber mask, and the demisting box is arranged on the inner wall of the mouth vent cover through a support plate. According to the utility model, the demisting box, the non-woven bag, the moisture absorbent, the air outlet, the vent pipe and the rubber partition plate are arranged, exhaled fog enters the demisting box from the air outlet in the mouth vent cover, and can pass through the non-woven bag to be absorbed by the moisture absorbent, so that the moisture fog in the nanofiber mask is dehumidified by utilizing the adsorption principle of the moisture absorbent, the situation that the exhaled humid gas enters the perspective window at the upper part of the nanofiber mask from the vent pipe to cause the perspective window to be blurred is avoided, and the gas exhausted from the vent pipe is shielded by the rubber partition plate, so that the clear sight of a person wearing the mask is kept by dehumidifying the moisture exhaled by a user, and the practicability of the gas mask is improved.

Description

Novel nanofiber gas mask

Technical Field

The utility model relates to the technical field of gas masks, in particular to a novel nanofiber gas mask.

Background

The gas mask is a personal labor protection article and also an individual soldier protection article, and is a protection device which is worn on the head to prevent toxic substances such as poison gas, bacteria, harmful gas and the like from hurting the gas mask, the gas mask is widely applied to various fields such as petroleum, chemical industry, mines, metallurgy and the like, and can play an important role in protecting a personal respiratory system in cities with serious haze and photochemical smog, so that the novel nanofiber gas mask is provided to solve the problems.

The defects of the existing gas mask are as follows:

1. patent document CN214050236U discloses a gas mask, "comprising: the mask comprises a mask body, wherein the upper part of the mask body is provided with a lens mounting port, the lower part of the mask body is provided with a communicator interface, and the two sides of the communicator interface are respectively provided with an expiratory valve interface and an inspiratory valve interface; the lens is arranged in the lens mounting opening; the electroacoustic interphone is plugged in the interphone interface; the expiratory valve is inserted in the expiratory valve interface; the air suction valve is inserted in the air suction valve interface; the drinking water mechanism comprises a water pipe buckled on the upper side of the electroacoustic interphone, one end of the water pipe is provided with an inner pipe connector used for being connected with a drinking water inner pipe, and the other end of the water pipe is provided with an outer pipe connector used for a drinking water outer pipe. The gas mask provided by the utility model is provided with the drinking mechanism, so that a wearer can drink water without taking off the mask, and the safety and convenience of the gas mask are improved. In addition, the utility model adopts the electroacoustic interphone as a sound transmission mechanism so as to supplement the sound transmission loss of the communication film, but the gas mask cannot consider that a large amount of fog is generated when a user breathes, so that the visual window of the mask is blurred by the fog, the sight of the user is influenced, and inconvenience is brought to the user of the mask.

2. The structure of current gas mask is comparatively simple, and the filtering layer that is arranged in carrying out filterable gas and impurity in the air is few and simple, can't satisfy the protection requirement in present a plurality of fields, and gas mask's filter equipment is not convenient for dismantle the change, and leads to gas mask's practicality to reduce.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a novel nanofiber respirator to solve the problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel nanofiber gas mask comprises a nanofiber mask, a filter cylinder and a demisting box, wherein a mouth ventilation cover is installed inside the nanofiber mask, and the demisting box is installed on the inner wall of the mouth ventilation cover through a support plate;

the inner wall of the demisting box is provided with a non-woven bag, the non-woven bag is filled with a moisture absorbent, the bottom surface of the demisting box is provided with air outlet holes in a penetrating manner, the air outlet holes are positioned below the non-woven bag, the inner top wall of the demisting box is provided with a vent pipe in a penetrating manner, and the top end of the vent pipe extends to the outside of the mouth vent cover;

the front of the nanofiber mask is provided with a canister, and the front of the canister is connected with a connecting pipe.

Preferably, the thread bush has been cup jointed through the external screw thread on the surface of connecting pipe, the cartridge filter is installed in the front of thread bush, and the cartridge filter is located the place ahead of connecting pipe, the HEPA filter layer is installed to the inner wall of cartridge filter, wet gauze layer is installed to the inner wall of cartridge filter, and wet gauze level is located the place ahead of HEPA filter layer, the filter pulp is installed to the inner wall of cartridge filter, and the filter pulp is located the place ahead on wet gauze layer, the front of cartridge filter is run through and is provided with the inlet port.

Preferably, the front surface of the mouth vent cover is provided with an air filtering port in a penetrating manner, and the air filtering port is connected with one end of the toxin filtering cylinder.

Preferably, the front wall of the mouth ventilation cover is provided with a rubber partition plate, and the rubber partition plate is positioned above the ventilation pipe.

Preferably, the front wall of the mouth vent cover is provided with a perspective window, and the perspective window is positioned above the rubber partition plate.

Preferably, the inner wall of the toxin filtering cylinder is provided with an activated carbon filter layer.

Preferably, the back of the nanofiber mask is provided with an elastic headband and a neckband, the elastic headband is positioned above the neckband, and one end of the neckband is provided with a lock catch.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the demisting box, the non-woven fabric bag, the moisture absorbent, the air outlet, the vent pipe and the rubber partition plate are arranged, when a user breathes to generate fog, the exhaled fog can enter the demisting box through the air outlet, and the fog can penetrate through the non-woven fabric bag and be absorbed by the moisture absorbent in the non-woven fabric bag in the demisting box, so that the wet fog in the nanofiber mask can be dehumidified by utilizing the adsorption principle of the moisture absorbent, the situation that the exhaled wet fog enters the see-through window at the upper part of the nanofiber mask through the vent pipe to cause the see-through window to become fuzzy is avoided, the rubber partition plate can be tightly attached to the surface of the nose, the gas exhausted from the vent pipe is shielded through the flexible rubber partition plate, and the influence of breathing on the see-through window is further avoided.

2. The utility model is provided with a filter cartridge, a canister, an active carbon filter layer, a HEPA filter layer, a wet gauze layer, filter cotton and an air inlet, the filter cotton is used for primarily filtering the inhaled air, filtering out large particles and dust impurities contained in the air, the wet gauze layer is used for filtering out part of water-soluble gas in the air, the HEPA filter layer in the filter cartridge is used for filtering out fine particles of the inhaled air, the filtered air enters the canister through a connecting pipe, and the active carbon filter layer is used for absorbing and filtering toxic and harmful substances in the residual air, thereby removing toxic and harmful gases and playing a role of mask gas defense.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of a defogging box according to the present invention;

fig. 4 is a schematic view of the filter cartridge structure of the present invention.

In the figure: 1. a nanofiber mask; 2. a mouth ventilation mask; 3. a canister; 4. a filter cartridge; 401. a HEPA filter layer; 402. a wet gauze layer; 403. filtering cotton; 404. an air inlet; 5. a connecting pipe; 6. a defogging box; 601. a nonwoven fabric bag; 602. a moisture absorbent; 603. an air outlet; 604. a breather pipe; 7. an activated carbon filter layer; 8. a gas filter port; 9. a threaded sleeve; 10. a see-through window; 11. a rubber partition plate; 12. tightening the headband; 13. a neck band; 14. and (5) locking.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 and 2, a nanofiber novel gas mask comprises a nanofiber mask 1, a filter cartridge 4 and a demisting box 6, wherein a mouth ventilation mask 2 is installed inside the nanofiber mask 1, and the demisting box 6 is installed on the inner wall of the mouth ventilation mask 2 through a support plate;

specifically, the user can use the nanofiber mask 1 to perform a gas defence work, and can breathe freely in the nanofiber mask 1 through the mouth breather cover 2 after wearing the gas defence mask.

As shown in fig. 4, a novel nanofiber gas mask, a non-woven fabric bag 601 is installed on the inner wall of a defogging box 6, a moisture absorbent 602 is filled in the non-woven fabric bag 601, an air outlet 603 is arranged on the bottom surface of the defogging box 6 in a penetrating manner, the air outlet 603 is located below the non-woven fabric bag 601, a vent pipe 604 is arranged on the inner top wall of the defogging box 6 in a penetrating manner, the top end of the vent pipe 604 extends to the outside of a mouth ventilation hood 2, a rubber partition plate 11 is installed on the front wall of the mouth ventilation hood 2, and the rubber partition plate 11 is located above the vent pipe 604.

Specifically, the exhaled fog enters the demisting box 6 through the air outlet 603 in the mouth ventilation hood 2, the fog can pass through the non-woven fabric bag 601 to be absorbed by the moisture absorbent 602 in the demisting box 6, thereby utilizing the adsorption principle of the moisture absorbent 602 to dehumidify the humid fog in the nanofiber mask 1, the exhaled humid gas is prevented from entering the perspective window 10 on the upper part of the nanofiber mask 1 through the air pipe 604, the perspective window 10 is made to be blurred, the rubber partition plate 11 can be tightly attached to the surface of the nose, the gas exhausted through the air pipe 604 is shielded through the flexible rubber partition plate 11, the influence of the breath on the perspective window 10 is further avoided, thereby the moisture exhaled by a user is dehumidified, the clear sight of the person wearing the mask is kept, and the practicability of the gas mask is increased.

The front surface of the mouth ventilation cover 2 is provided with an air filtering port 8 in a penetrating way, the air filtering port 8 is connected with one end of the toxin filtering cylinder 3, the front wall of the mouth ventilation cover 2 is provided with a perspective window 10, and the perspective window 10 is positioned above the rubber partition plate 11.

Specifically, after the inhaled gas is filtered and purified by the toxin filtering cylinder 3 and the filter cylinder 4, clean air is discharged from the air filtering port 8, so that a user can breathe, the visual field is provided for the user through the perspective window 10, and the user wearing the respirator can conveniently perform other work.

The back of the nano-fiber mask 1 is provided with an elastic headband 12 and a neck band 13, the elastic headband 12 is positioned above the neck band 13, and one end of the neck band 13 is provided with a lock catch 14.

Specifically, the elastic headband 12 is sleeved on the head of a user, the nanofiber mask 1 is fixed by the elasticity of the elastic headband 12, and the neckband 13 is fixed on the neck of the user through the matching of the neckband 13 and the lock catch 14, so that the wearing stability of the nanofiber mask 1 is ensured.

Example two

As shown in fig. 3, a novel nanofiber respirator, a canister 3 is installed on the front of a nanofiber respirator 1, a connecting pipe 5 is connected to the front of the canister 3, a thread sleeve 9 is sleeved on the surface of the connecting pipe 5 through an external thread, a filter cartridge 4 is installed on the front of the thread sleeve 9, the filter cartridge 4 is located in front of the connecting pipe 5, an HEPA filter layer 401 is installed on the inner wall of the filter cartridge 4, a wet gauze layer 402 is installed on the inner wall of the filter cartridge 4, the wet gauze layer 402 is located in front of the HEPA filter layer 401, filter cotton 403 is installed on the inner wall of the filter cartridge 4, the filter cotton 403 is located in front of the wet gauze layer 402, an air inlet 404 is arranged on the front of the filter cartridge 4 in a penetrating manner, and an activated carbon filter layer 7 is installed on the inner wall of the canister 3.

Specifically, the inhaled gas of the wearer enters the filter cylinder 4 through the air inlet 404, the inhaled gas is primarily filtered through the filter cotton 403, large particles and dust impurities contained in the gas are filtered and removed, part of water-soluble gas in the gas is filtered and removed through the wet gauze layer 402, fine particles of the inhaled gas are filtered through the HEPA filter layer 401 inside the filter cylinder 4, the filtered gas enters the canister 3 through the connecting pipe 5, and toxic and harmful substances in the residual gas are adsorbed and filtered by the active carbon filter layer 7 in the canister 3, so that toxic and harmful gas is removed, the anti-toxic filtering effect of the anti-toxic mask is improved by the multi-filter layer, and the safety of the user is ensured.

The working principle is as follows: in the process of using the gas mask to perform protection work, gas inhaled by a wearer enters the filter cylinder 4 through the gas inlet hole 404, the inhaled gas is primarily filtered through the filter cotton 403, large particles and dust impurities contained in the gas are filtered and removed, part of water-soluble gas in the gas is filtered and removed through the wet gauze layer 402, fine particles of the inhaled gas are filtered through the HEPA filter layer 401 inside the filter cylinder 4, the filtered gas enters the gas filter cylinder 3 through the connecting pipe 5, and toxic and harmful substances in the residual gas are adsorbed and filtered by the active carbon filter layer 7 in the gas filter cylinder 3, so that toxic and harmful gas is removed, therefore, the gas mask is improved in the anti-poison filtering effect by using multiple filter layers, and the safety of the user is ensured.

The mist exhaled by the wearer enters the demisting box 6 through the air outlet 603 in the mouth ventilating cover 2, the mist can pass through the non-woven bag 601 to be absorbed by the moisture absorbent 602 in the demisting box 6, thereby utilizing the adsorption principle of the moisture absorbent 602 to dehumidify the wet mist in the nanofiber mask 1, the exhaled wet gas is prevented from entering the perspective window 10 on the upper part of the nanofiber mask 1 through the ventilating pipe 604, the perspective window 10 is blurred, the rubber partition plate 11 can be tightly attached to the surface of the nose, the gas exhausted through the ventilating pipe 604 is shielded through the flexible rubber partition plate 11, the influence of the breath on the perspective window 10 is further avoided, the moisture exhaled by the user is dehumidified, the sight of the wearer is kept clear, and the practicability of the gas mask is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel respirator of nanofiber, includes nanofiber face guard (1), cartridge filter (4) and defogging box (6), its characterized in that: a mouth ventilation cover (2) is arranged in the nanofiber mask (1), and a demisting box (6) is arranged on the inner wall of the mouth ventilation cover (2) through a support plate;

a non-woven fabric bag (601) is installed on the inner wall of the demisting box (6), a moisture absorbent (602) is filled in the non-woven fabric bag (601), an air outlet (603) penetrates through the bottom surface of the demisting box (6), the air outlet (603) is located below the non-woven fabric bag (601), a vent pipe (604) penetrates through the inner top wall of the demisting box (6), and the top end of the vent pipe (604) extends to the outside of the mouth vent hood (2);

the front of the nanofiber mask (1) is provided with a canister (3), and the front of the canister (3) is connected with a connecting pipe (5).

2. The novel nanofiber respirator of claim 1, wherein: threaded sleeve (9) has been cup jointed through the external screw thread on the surface of connecting pipe (5), cartridge filter (4) are installed to the front of threaded sleeve (9), and cartridge filter (4) are located the place ahead of connecting pipe (5), HEPA filter layer (401) are installed to the inner wall of cartridge filter (4), wet gauze layer (402) are installed to the inner wall of cartridge filter (4), and wet gauze layer (402) are located the place ahead of HEPA filter layer (401), filter pulp (403) are installed to the inner wall of cartridge filter (4), and filter pulp (403) are located the place ahead of wet gauze layer (402), the front of cartridge filter (4) is run through and is provided with inlet port (404).

3. The novel nanofiber respirator of claim 1, wherein: the front surface of the mouth ventilation cover (2) is provided with a gas filtering port (8) in a penetrating way, and the gas filtering port (8) is connected with one end of the poison filtering cylinder (3).

4. The novel nanofiber respirator of claim 1, wherein: the front wall of the mouth ventilation cover (2) is provided with a rubber partition plate (11), and the rubber partition plate (11) is positioned above the ventilation pipe (604).

5. The novel nanofiber respirator of claim 1, wherein: the front wall of the mouth ventilation cover (2) is provided with a perspective window (10), and the perspective window (10) is positioned above the rubber partition plate (11).

6. The novel nanofiber respirator of claim 1, wherein: and an active carbon filter layer (7) is arranged on the inner wall of the toxin filtering cylinder (3).

7. The novel nanofiber respirator of claim 1, wherein: the back mounted of nanofiber face guard (1) has elasticity bandeau (12) and napestrap (13), and elasticity bandeau (12) are located the top of napestrap (13), hasp (14) are installed to the one end of napestrap (13).