CN218248175U - Gas mask with visual field blind area compensation function - Google Patents

Abstract

The utility model discloses a respirator with field of vision blind area compensation function relates to respirator technical field. The utility model discloses an including the cover body, cover body fixedly connected with window, the equal fixedly connected with head band buckle in cover body both sides, the expiratory valve is installed to cover body bottom, cover body internally mounted has the silica gel pad, cover body bottom one side fixedly connected with strains the poison interface, strains poison interface fixed mounting and has strain the poison pipe, strains the poison pipe and keeps away from the one end of straining the poison interface and be the form on the slant, strains poison pipe fixed mounting and strains poison mechanism. The utility model separates the poison filtering structure which is directly arranged on the cover body conventionally through the poison filtering pipe, so that the poison filtering structure is not limited by the area and the shape of the cover body, and the gas defense effect of the mask is improved; through designing the toxin filtering pipe into the shape of slant ascending, the use of cooperation toxin filtering mechanism has effectively prevented in the environment impurity to the jam of inhaling the passageway under the unobstructed prerequisite of keeping inhaling.

Description

Gas mask with visual field blind area compensation function

Technical Field

The utility model belongs to the technical field of the respirator, particularly, in particular to respirator with field of vision blind area compensation function.

Background

The gas mask is a personal labor protection article and also an individual protective article, is worn on the head to protect respiratory organs, eyes and faces of people and prevent toxic substances such as poison gas, dust, bacteria, toxic and harmful gas or steam and the like from being damaged. The gas mask is widely applied to the fields of petroleum, chemical industry, military, emergency rescue and disaster relief, health and epidemic prevention and the like, and can be divided into a full mask and a half mask from the aspect of modeling.

Patent specification with publication number CN212439757U discloses a gas mask with a vision blind area compensation function, which comprises a face mask and goggles, wherein one side of the face mask is connected with a vision compensation device, and the vision compensation device is matched with the goggles. This application has some disadvantages: in order to block toxic gas in the environment, the air intake of a user needs to be filtered through the toxic gas filtering box, however, the toxic gas environment is usually complex, and large particle impurities in the air need to be prevented from blocking the outside of the toxic gas filtering box; meanwhile, the poison filtering box of the mask is directly arranged on the mask, and the lower end of the mask is in a curved surface shape and has a small space, so that the available space and the available shape of the poison filtering box are limited, the available space of a poison filtering structure in the mask is limited, less materials are used when poison filtering materials are used in the limited space, and the filtering layer is less, so that the poison filtering effect is poor.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above technical problem, an object of the present invention is to provide a gas mask with a visual field blind area compensation function.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a respirator with field of vision blind area compensation function, includes the cover body, cover body fixedly connected with window, the equal fixedly connected with head band buckle in cover body both sides, expiratory valve is installed to cover body bottom, cover body internally mounted has the silica gel pad, cover body bottom one side fixedly connected with toxin filtering interface, toxin filtering interface fixed mounting has toxin filtering pipe, toxin filtering pipe keeps away from toxin filtering interface's one end is the form that inclines upward, toxin filtering pipe fixed mounting has toxin filtering mechanism.

As a further aspect of the present invention: the window is integrated, and two side edges of the window extend to the side face of the cover body.

As a further aspect of the present invention: the silica gel pad fixed connection in the cover body is kept away from one side of expiratory valve, silica gel pad middle part is provided with the nose pad groove.

As a further aspect of the present invention: the both sides of cover body lower extreme both sides all fixedly connected with neck belt buckle, the buckle of headband with the neck belt buckle all is used for the installation fastening area.

As a further aspect of the present invention: the connecting port of the toxin filtering pipe and the toxin filtering mechanism faces the inner side of the cover body.

As a further aspect of the present invention: the poison filtering mechanism comprises a poison filtering body fixedly installed with a poison filtering pipe, the poison filtering body is fixedly connected with a protective cover, the poison filtering body is close to the port of the protective cover and is provided with an air inlet, and the air inlet and the cavity inside the protective cover form an air inlet channel.

The utility model has the advantages that:

1. the mask body is provided with the toxin filtering interface, the toxin filtering pipe is arranged on the toxin filtering interface, the toxin filtering mechanism is arranged on the toxin filtering pipe, and the toxin filtering structure which is conventionally and directly arranged on the mask body is separated out through the toxin filtering pipe, so that the toxin filtering mechanism is not limited by the area and the shape of the mask body, the space for the use of the gas defense structure is larger, the manufacturing difficulty is reduced, and the gas defense effect of the mask is improved;

2. through being the ascending shape of slant with the design of toxin filtering pipe, when the user is in the environment that has great particulate matter impurity, most impurity can be kept apart to toxin filtering mechanism's protection casing, and less partial impurity also because the toxin filtering mechanism who installs in the slant receives the dead weight effect to drop, and the required air of user then is filtered by toxin filtering body through the intake duct that protection casing and toxin filtering body air inlet formed, has effectively prevented in the environment that impurity from to the jam of breathing in passageway under the unobstructed prerequisite of keeping breathing in.

Drawings

The present invention will be further described with reference to the accompanying drawings.

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

fig. 2 is a schematic view of the back structure of the present invention;

fig. 3 isbase:Sub>A partial cross-sectional view taken atbase:Sub>A-base:Sub>A of fig. 2 according to the present invention.

In the figure: 1. a cover body; 2. a window; 3. a headband buckle; 4. an exhalation valve; 5. a toxin filtering interface; 6. a toxin filtering pipe; 7. a poison filtering mechanism; 71. a protective cover; 72. filtering out the toxic substances; 73. an air inlet; 74. an air inlet channel; 8. a neck band buckle; 9. a silica gel pad; 10. a nasal cushion groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 3, a gas mask with a vision blind area compensation function comprises a mask body 1, wherein a window 2 is fixedly connected to the upper part of the mask body 1, two side edges of the window 2 extend to the side surface at the level of the upper end of the mask body 1 (see fig. 1), the visual angle is large, and the visual range is larger than that of a traditional two-piece transparent mask, so that a supplement of a higher range is provided for the user to view; the mask body 1 is symmetrically and fixedly connected with two headband buckles 3 at two sides of the window 2, the front face of the lower part of the mask body 1 is provided with an expiratory valve 4, a filter element is arranged in the expiratory valve 4, the front end of the expiratory valve is provided with a baffle plate, the inner side of the baffle plate is provided with an expiratory hole on the mask body 1, and the baffle plate prevents foreign matters from entering the expiratory hole, so that the cleanness during expiration is improved; a toxin filtering interface 5 is arranged on one side of the lower part of the cover body 1, a toxin filtering pipe 6 is fixedly arranged on the toxin filtering interface 5, and a toxin filtering mechanism 7 is fixedly arranged at the port of the toxin filtering pipe 6.

As shown in fig. 1, the canister 6 is U-shaped, and the port of the canister 7 faces the inner side of the cover 1, so the installation direction of the canister 7 faces the inner side of the cover 1, when the canister 7 occupies a large space for improving the anti-virus effect, the canister 7 faces the back of the user due to the installation structure of the canister 6, which can effectively avoid the user being hindered by the canister 7 with a large volume to operate with both hands when using the mask; the toxin filtering mechanism 7 corresponds to a toxin filtering box of a conventional toxin filtering mask, the toxin filtering box is extracted from a conventional mode of directly connecting with the cover body 1 by using the toxin filtering pipe 6, the toxin filtering box directly connected with the cover body 1 is limited by the structural shape and the installation area of the cover body 1, the installation space is small, the available space of the toxin filtering structure for blocking off toxin gas is limited by the small space, compared with the toxin filtering effect of the conventional toxin filtering box of the toxin filtering mechanism 7, the toxin filtering mechanism is connected with the cover body 1, the shape of the toxin filtering box is limited by the shape of the cover body 1 and is difficult to manufacture, and the production process is complex; the poison filtering pipe 6 is used for cutting the poison filtering mechanism 7 and the cover body 1, the manufacturing shape and the usable space of the poison filtering mechanism 7 are not limited by the shape and the area of the cover body 1, the usable space is larger, the usable poison filtering structure space in the poison filtering mechanism 7 is larger, the poison filtering effect is better, meanwhile, the shape of the poison filtering mechanism 7 is easier to manufacture due to the fact that the shape of the cover body 1 is not limited, the manufacturing difficulty of the poison filtering mechanism 7 is reduced, and the production efficiency and the product yield are indirectly improved.

As shown in fig. 2, the cover body 1 lower extreme bilateral symmetry fixed connection has buckled 8 the neck area, the buckle 3 of the headband of the cover body 1 upper end and the buckle 8 of the neck area of lower extreme all are used for installing fastening band (not shown), the fastening band is the telescopic band of adjustable length, buckle 3 and the buckle 8 installation of the neck area through the headband and go up the fastening band, cover body 1 can be balanced wear the mask in user's face, cover body 1 has set up silica gel pad 9 with facial contact side fixed connection simultaneously, silica gel pad 9 is used for laminating user's nosewing department and has set up nose pad groove 10, silica gel pad 9 and nose pad groove 10's use has all further improved the facial laminating effect of mask to the user, user's comfort level of wearing has also been improved simultaneously.

As shown in fig. 1 to 3, a protective cover 71 is fixedly connected to one end of the toxin filtering mechanism 7 far from the toxin filtering pipe 6, a toxin filtering body 72 is fixedly connected to the middle of the inner side of the protective cover 71, an air inlet 73 is arranged on the side surface of the toxin filtering body 72 close to one end of the protective cover 71, the air inlet 73 and the cavity inside the protective cover 71 form an air inlet channel 74, the air inlet channel 74 is of a U-shaped structure, meanwhile, the connecting end of the toxin filtering pipe 6 and the toxin filtering mechanism 7 is in an inclined upward shape (see fig. 1), when a user is in an environment containing large particulate impurities in air, most of the particulate matters are blocked outside the toxin filtering body 72 by the protective cover 71, the inclined upward protective cover 71 is used for preventing the impurities from being accumulated at the inlet of the air inlet channel 74, the impurities can slide off at the protective cover 71 under the influence of gravity, and the air inlet channel 74 is used for keeping air flow smooth in the air suction process, so that the impurities with large particulates are effectively prevented from blocking the air suction channel by the protective cover 71 and the inclined upward toxin filtering pipe 6; the poison filtering body 72 is internally provided with structures such as a filtering cotton layer, a filtering core layer, an active carbon layer and the like along the air inlet direction until the inside of the mask, and poison gas enters the inside of the mask for a user to breathe after being filtered by the poison filtering mechanism 7.

Although an embodiment of the present invention has been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (6)

1. The utility model provides a respirator with field of vision blind area compensation function, includes the cover body (1), the cover body (1) fixedly connected with window (2), the equal fixedly connected with buckle of cover body (1) both sides head band (3), expiratory valve (4) are installed to cover body (1) bottom, cover body (1) internally mounted has silica gel pad (9), its characterized in that, cover body (1) bottom one side fixedly connected with poison filtering interface (5), poison filtering interface (5) fixed mounting has poison filtering pipe (6), poison filtering pipe (6) are kept away from the one end of poison filtering interface (5) is the form that inclines upward, poison filtering pipe (6) fixed mounting has poison filtering mechanism (7).

2. The respirator with the vision blind area compensation function according to claim 1, wherein the window (2) is integrated, and two side edges of the window (2) extend to the side surfaces of the cover body (1).

3. The respirator with the vision blind area compensation function according to claim 1, wherein the silica gel pad (9) is fixedly connected to one side of the mask body (1) far away from the exhalation valve (4), and a nose pad groove (10) is formed in the middle of the silica gel pad (9).

4. The respirator having the vision dead zone compensating function according to claim 1, wherein a neck buckle (8) is fixedly connected to each of both sides of the lower end of the mask body (1), and the head buckle (3) and the neck buckle (8) are used for mounting a fastening belt.

5. The respirator with vision blind area compensation function according to claim 1, wherein the connection port of the canister (6) and the canister mechanism (7) faces the inside of the cover body (1).

6. The respirator with the function of compensating the blind area in the visual field according to claim 1, wherein the poison filtering mechanism (7) comprises a poison filtering body (72) fixedly installed on the poison filtering pipe (6), the poison filtering body (72) is fixedly connected with a protective cover (71), an air inlet (73) is arranged at the port of the poison filtering body (72) close to the protective cover (71), and the air inlet (74) is formed by the air inlet (73) and the cavity inside the protective cover (71).

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