CN112891771B - Gas mask with adjustable mask attaching degree - Google Patents

Abstract

The invention discloses an anti-poison mask capable of adjusting the fitting degree of a mask, which comprises a mask body, wherein filter tanks are fixedly arranged on two sides of the mask body, the mask body comprises a shell, a front attachment strip is movably arranged on the front surface of the shell, a rear cover is fixedly arranged on the back surface of the shell, and a connecting net is movably arranged on the back surface of the front attachment strip. This gas mask of adjustable face guard laminating degree, through the internally mounted type hexagonal piece at the connecting network, fill up the space between the connecting network, when the ear area of pulling gas mask, the connecting network shrink, the push-and-pull rod is close to the axle center department of fixed disk along fixed sleeve's inner chamber, the compression spring atress compression, the horizontal pole pulling side arm downstream of push-and-pull rod both sides, because folding rod and knee rotate the both sides of connecting at the side arm top through the pivot, the outside extension in both ends of the left end pulling elastic rod of knee, the elastic rod radian reduces, the knee lever inclination increases, it is poor to have solved traditional gas mask laminating degree, the problem that the leakproofness is little.

Description

Gas mask capable of adjusting mask attaching degree

Technical Field

The invention relates to the technical field of protective articles, in particular to an anti-poison respirator capable of adjusting the fit degree of a mask.

Background

The gas mask is a special labour protection article for protecting respiratory system of person, and is generally composed of gas-filtering box or gas-filtering tank and mask main body. The mask main body is isolated from air, so that a sealing effect is achieved; the poison filtering box and the poison filtering tank play a role in filtering poison gas and dust. The method is mainly used for the working environment containing low-concentration harmful gas and dust. The gas mask is widely applied to the fields of petroleum, chemical industry, mines, metallurgy, military affairs, fire fighting, emergency relief, health epidemic prevention, science and technology environmental protection and the like.

Traditional anti-virus mask is because shell and inside filtering mechanism lug connection, make the whole shape of shell receive very much restriction, but the adjustable range is very little, because everyone's face is all inequality, but less adjustable range has just led to traditional anti-virus mask can only fit for the face of a small part of people, when the overwhelming majority of people wear, face and external world all can have certain space, this can lead to the leakproofness to reduce, the protectiveness reduces, only can cover anti-virus mask with the hand under the normal condition, reduce and reduce through increasing pressure, but this method can restrict the activity of people's hand.

Disclosure of Invention

The invention aims to provide an anti-poison respirator capable of adjusting the fitting degree of a mask, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an anti-poison respirator capable of adjusting the attaching degree of a face mask comprises a mask body, wherein filter tanks are fixedly mounted on two sides of the mask body, the mask body comprises a shell, a front sticking strip is movably mounted on the front surface of the shell, a rear cover is fixedly mounted on the back surface of the shell, a connecting net is movably mounted on the back surface of the front sticking strip, the front surface of the connecting net is rotatably connected with the back surface of the front sticking strip, the outer surface of the connecting net is movably connected with the inner surface of the shell, a rear supporting strip is fixedly mounted on the back surface of the connecting net and surrounds the periphery of the rear cover, a hexagonal block is arranged on the upper surface of the connecting net and comprises a fixed disk, a compression spring is arranged on the inner wall of the fixed disk, two ends of the compression spring penetrate through the outer surface of the fixed disk and extend to the outside of the fixed disk, and a fixing sleeve is welded on the side surface of the fixed disk, the inner wall of the fixed sleeve is connected with the outer surface of the compression spring in a sliding mode, a push-pull rod is welded to the top end of the compression spring, a folding rod is connected to the top end of the push-pull rod in a rotating mode through a rotating shaft, the folding rod is symmetrically installed on the two sides of the top portion of the push-pull rod, cross rods are welded to the two sides of the bottom portion of the push-pull rod, the two ends of each cross rod penetrate through the outer surfaces of the push-pull rod and the fixed sleeve respectively, side arms are connected to the two ends of each cross rod in a rotating mode through the rotating shaft, the right side of the top end of each side arm is connected with the left end of the folding rod in a rotating mode through the rotating shaft, a bent rod is connected to the left side of the top end of each side arm in a rotating mode through the rotating shaft, an elastic rod is bonded to the left side of the bent rod, and a rotating rod is arranged on the right side of the elastic rod.

Preferably, preceding welt is including album balloon, the left side surface difference fixed mounting of collection balloon has outer return bend and interior return bend, be provided with the stay tube between outer return bend and the interior return bend, the both ends of stay tube are rotated and are connected with cowl, cowl's surface and the internal surface contact of collection balloon.

Preferably, the number of the rotating rods is four, the rotating rods are arranged in a vertically staggered mode, and a certain gap is reserved between the two rotating rods on the same side.

Preferably, the inner bent pipe comprises a bottom plate, an arc-shaped spoiler is fixedly mounted on the upper surface of the bottom plate, a heat absorption bin is formed in the bottom of the arc-shaped spoiler, the heat absorption bin is located in the wall of the bottom plate, an air inlet is fixedly mounted on the left side of the arc-shaped spoiler, a top plate is fixedly mounted at the top of the arc-shaped spoiler, an air outlet is communicated with the right side of the top plate, and two ends of the air outlet penetrate through the outer surface of the top plate.

Preferably, the hexagonal blocks are clamped with each other, and the outer surfaces of the hexagonal blocks are bonded with the outer surface of the connecting net.

Preferably, the top end of the rotating rod is rotatably connected with the outer surface of the bent rod through a rotating shaft, and the bottom end of the rotating rod is rotatably connected with the outer surface of the fixed disk.

The invention provides an anti-poison respirator capable of adjusting the fit degree of a mask. The method has the following beneficial effects:

(1) according to the invention, the connecting net is arranged in the inner cavity of the shell and is connected with the front adhesive strip and the rear supporting strip, so that the internal integral mechanism can move freely without influencing the sealing effect, and the problems of fixed surface area and poor flexibility of the inner cavity of the shell of the traditional gas mask are solved.

(2) The invention installs the similar hexagonal block in the connecting net to fill the gap between the connecting net, the similar hexagonal block can play the role of sealing and filtering and simultaneously play the role of fixing, when pulling the ear band of the anti-poison mask, the connecting net contracts, two adjacent connecting nets approach each other, the connecting net extrudes the push-pull rod in the similar hexagonal block, the push-pull rod approaches to the axle center of the fixed disc along the inner cavity of the fixed sleeve, the compression spring is compressed under stress, the cross rod side arms at two sides of the push-pull rod pull the downward movement, because the folding side arms and the bent rod are connected with two sides of the top through the rotating shaft, the folding rod and the bent rod fold inward, the left end of the bent rod pulls two ends of the elastic rod to expand outward, the radian of the elastic rod is reduced, the inclination angle of the rotating rod is increased, the volume of the similar hexagonal block is reduced, the surface area of the connecting net is reduced, the attaching degree of the connecting net and the mouth nose is increased, the problems of poor fitting degree and small sealing property of the traditional gas mask are solved.

(3) The invention can change the shape of the front welt at will without worrying about the damage of the internal structure and the air tightness of the quasi-hexagonal block due to excessive deformation by installing the outer bent pipe, the inner bent pipe and the supporting pipe in the front welt, when the outer surface of the front welt is pulled, the space between the inner bent pipe and the supporting pipe is reduced, the unit volume is reduced, the gas pressure is increased, high-pressure gas rushes into the inner cavity of the balloon from the arc baffles at two sides, the pressure of the inner cavity of the balloon is increased, the space pressure between the inner bent pipe and the supporting pipe is reduced, the arc baffles rotate, the space between the outer bent pipe and the supporting pipe is opened, the gas enters, the pressure is increased, the pressure of the inner cavity of the balloon is reduced, the arc baffles are closed, the shape of the front welt is kept unchanged under the action of pressure difference, because the arc spoiler is arranged in the inner bent pipe, when a person wears the anti-poison mask, the hot air exhaled from the oral cavity flows through the upper surface of the arc-shaped spoiler through the air inlet, because the upper surface area of the arc-shaped spoiler is larger than the lower surface area of the top plate, when the air flow of unit volume flows, the air flow rate of the upper surface of the arc-shaped spoiler is larger than the lower surface area of the top plate, according to Bernoulli principle, the pressure intensity of the place with large flow rate is small, the pressure intensity between the arc-shaped spoilers is smaller than the pressure intensity of the top part of the arc-shaped spoilers, the inner bent pipe bends towards one side of the bottom plate, the gap between the face and the gas mask is further reduced, because the inner bent pipe is attached to the face, the temperature of the human body is directly absorbed by the heat absorption bin, the temperature of the arc-shaped spoiler is always higher than the temperature of the top plate, the air flowing out from the air outlet can keep a certain temperature while the attaching performance is ensured, the hot air flowing out from the air outlet flows into the space between the inner bent pipe and the support pipe, the air in the space is heated, and the pressure intensity is increased, the gas is discharged into the air collecting balloon, so that the space keeps a low-pressure state, the energy generated by the arc of a person is utilized to reduce the gap between the face and the outside, the internal circulation is carried out in the anti-poison mask, and the problem that the traditional anti-poison mask needs external force to assist in fitting is solved.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the internal structure of the connecting net according to the present invention;

FIG. 4 is a schematic view of the internal structure of a hexagonal-like block of the present invention;

FIG. 5 is a schematic view of the internal structure of the front attachment strip of the present invention;

FIG. 6 is a schematic view of the inner structure of the inner elbow pipe of the present invention.

In the figure: 1. a cover body; 2. a filter tank; 3. hexagonal-like blocks; 101. front adhesive strips; 102. rear support; 103. connecting a network; 104. a housing; 105. a rear cover; 301. fixing the disc; 302. a compression spring; 303. fixing the sleeve; 304. a push-pull rod; 305. a cross bar; 306. a side arm; 307. a folding bar; 308. bending a rod; 309. a rotating shaft; 310. an elastic rod; 311. a rotating rod; 401. a balloon collecting chamber; 402. an outer bend; 403. an inner bend pipe; 404. supporting a tube; 405. an arc-shaped baffle plate; 501. a base plate; 502. an arc spoiler; 503. a heat absorption bin; 504. a top plate; 505. an air inlet; 506. and an air outlet.

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.

As shown in fig. 1 to 6, the present invention provides a technical solution: an anti-virus mask capable of adjusting the fit degree of a mask comprises a mask body 1, wherein filter canisters 2 are fixedly arranged on two sides of the mask body 1, the mask body 1 comprises a shell 104, a front attachment strip 101 is movably arranged on the front surface of the shell 104, the front attachment strip 101 comprises a gas collecting ball 401, an outer bent pipe 402 and an inner bent pipe 403 are respectively and fixedly arranged on the outer surface of the left side of the gas collecting ball 401, the inner bent pipe 403 comprises a bottom plate 501, an arc-shaped spoiler 502 is fixedly arranged on the upper surface of the bottom plate 501, a heat absorption bin 503 is arranged at the bottom of the arc-shaped spoiler 502, the heat absorption bin 503 is positioned in the wall of the bottom plate 501, an air inlet 505 is fixedly arranged on the left side of the arc-shaped spoiler 502, a top plate 504 is fixedly arranged on the top of the arc-shaped spoiler 502, an air outlet 506 is communicated with the right side of the top plate 504, two ends of the air outlet 506 penetrate through the outer surface of the top plate 504, a support pipe 404 is arranged between the outer bent pipe 402 and the inner bent pipe 403, two ends of the support pipe 404 are rotatably connected with arc-shaped baffles 405, the outer surface of the arc-shaped baffle plate 405 is contacted with the inner surface of the gas collection ball 401, the outer bent pipe 402, the inner bent pipe 403 and the support pipe 404 are arranged in the front attachment strip 101, the shape of the front attachment strip 101 can be changed at will, and meanwhile, the internal structure and the air tightness of the quasi-hexagonal block 3 cannot be damaged due to excessive deformation, when the outer surface of the front attachment strip 101 is pulled, the space between the inner bent pipe 403 and the support pipe 404 is reduced, the unit volume is reduced, the gas pressure is increased, high-pressure gas rushes into the inner cavity of the gas collection ball 401 from the arc-shaped baffle plates 405 on two sides, the pressure of the inner cavity of the gas collection ball 401 is increased, the space pressure between the inner bent pipe 403 and the support pipe 404 is reduced, the arc-shaped baffle plate 405 rotates, the space between the outer bent pipe 402 and the support pipe 404 is opened, the gas enters, the pressure is increased, the pressure of the inner cavity of the gas collection ball 401 is reduced, the arc-shaped baffle plate 405 is closed, and under the action of pressure difference, the shape of the front attachment strip 101 is kept unchanged, because the inner bent pipe 403 is internally provided with the arc-shaped spoiler 502, when a person wears the anti-virus mask, hot air exhaled by the mouth passes through the upper surface of the arc-shaped spoiler 502 through the air inlet 505, because the upper surface area of the arc-shaped spoiler 502 is larger than the lower surface area of the top plate 504, when unit volume of air flows, the air flow rate on the upper surface of the arc-shaped spoiler 502 is larger than the lower surface area of the top plate 504, according to Bernoulli's principle, the pressure intensity of a place with large flow velocity is small, the pressure intensity between the arc-shaped spoilers 502 is smaller than the pressure intensity on the top portion of the arc-shaped spoilers, the inner bent pipe 403 bends towards one side of the bottom plate 501, so that the gap between the face and the anti-virus mask is further reduced, because the inner bent pipe 403 is attached to the face, the temperature of the human body is directly absorbed by the heat absorption bin 503, so that the temperature of the arc-shaped spoiler 502 is always higher than that of the temperature of the top plate 504, while the attachment is ensured, the air flowing out from the air outlet 506 can be kept at a certain temperature, the hot air flowing out from the air outlet 506 flows into the space between the inner elbow 403 and the supporting tube 404, the air in the space is heated, the pressure is increased, the air is discharged into the air collecting balloon 401, the space is kept in a low-pressure state, the gap between the face and the outside is reduced by utilizing the energy generated by the arc of a person, the internal circulation is carried out in the anti-virus mask, the problem that the traditional anti-virus mask needs external force for assisting the attachment is solved, the back surface of the shell 104 is fixedly provided with the rear cover 105, the back surface of the front attachment strip 101 is movably provided with the connecting net 103, the connecting net 103 is connected with the front attachment strip 101 and the rear support strip 102 by installing the connecting net 103 in the inner cavity of the shell 104, the sealing effect cannot be influenced while the internal integral mechanism can freely move, the problems that the surface area of the inner cavity of the shell 104 of the traditional anti-virus mask is fixed and the flexibility is poor are solved, the front surface of the connecting net 103 is rotatably connected with the back surface of the front attachment strip 101, the outer surface of the connecting net 103 is movably connected with the inner surface of the shell 104, the back of the connecting net 103 is fixedly provided with a back supporting bar 102, the back supporting bar 102 surrounds the periphery of the back cover 105, the upper surface of the connecting net 103 is provided with hexagonal block-like blocks 3, the hexagonal block-like blocks 3 are clamped with each other, the outer surface of the hexagonal block-like blocks 3 is bonded with the outer surface of the connecting net 103, each hexagonal block-like block 3 comprises a fixed disc 301, the inner wall of the fixed disc 301 is provided with a compression spring 302, two ends of the compression spring 302 penetrate through the outer surface of the fixed disc 301 and extend to the outside of the fixed disc 301, the side surface of the fixed disc 301 is welded with a fixed sleeve 303, the inner wall of the fixed sleeve 303 is connected with the outer surface of the compression spring 302 in a sliding manner, the top end of the compression spring 302 is welded with a push-pull rod 304, the top end of the push-pull rod 304 is rotatably connected with a folding rod 307 through a rotating shaft 309, the folding rods 307 are symmetrically arranged on two sides of the top of the push-pull rod 304, the two sides of the bottom of the push-pull rod 304 are welded with cross rods 305, two ends of each cross rod 305 respectively penetrate through the outer surfaces of the push-pull rod 304 and the fixing sleeve 303, two ends of each cross rod 305 are rotatably connected with side arms 306 through rotating shafts 309, the right sides of the top ends of the side arms 306 are rotatably connected with the left ends of the folding rods 307 through rotating shafts 309, the left sides of the top ends of the side arms 306 are rotatably connected with bent rods 308, elastic rods 310 are bonded on the left sides of the bent rods 308, rotating rods 311 are arranged on the right sides of the elastic rods 310, the number of the rotating rods 311 is four, the rotating rods 311 are arranged in a vertically staggered manner, a certain gap is reserved between the two rotating rods 311 on the same side, the top ends of the rotating rods 311 are rotatably connected with the outer surface of the bent rods 308 through the rotating shafts 309, the bottom ends of the rotating rods 311 are rotatably connected with the outer surface of the fixing disc 301, and the gap between the connecting nets 103 is filled up by installing the quasi-hexagonal 3 inside the connecting nets, and the quasi-hexagonal blocks 3 can play a fixing role while playing a sealing and a filtering role, when the ear belt of the anti-virus mask is pulled, the connecting nets 103 are contracted, the two adjacent connecting nets 103 are close to each other, the connecting nets 103 extrude the push-pull rod 304 in the quasi-hexagonal block 3, the push-pull rod 304 is close to the axis of the fixed disc 301 along the inner cavity of the fixed sleeve 303, the compression spring 302 is compressed under the stress, the cross rods 305 on the two sides of the push-pull rod 304 pull the side arms 306 to move downwards, the folding rods 307 and the bent rods 308 are rotatably connected to the two sides of the tops of the side arms 306 through the rotating shafts 309, the folding rods 307 and the bent rods 308 are folded inwards, the left end of the bent rod 308 pulls the two ends of the elastic rod 310 to expand outwards, the radian of the elastic rod 310 is reduced, the inclination angle of the rotating rod 311 is increased, the volume of the quasi-hexagonal block 3 is reduced, the surface area of the connecting nets 103 is reduced, the attaching degree of the connecting nets 103 and the mouth and nose is increased, and the problems of poor attaching degree and low sealing performance of the traditional anti-virus mask are solved.

The working principle is as follows: when in use, the outer bent pipe 402, the inner bent pipe 403 and the support pipe 404 are arranged in the front welt 101, so that the shape of the front welt 101 can be changed at will without worrying about damage to the internal structure and air tightness of the quasi-hexagonal block 3 due to excessive deformation, when the outer surface of the front welt 101 is pulled, the space between the inner bent pipe 403 and the support pipe 404 is reduced, the unit volume is reduced, the gas pressure is increased, high-pressure gas rushes into the inner cavity of the gas collection ball 401 from the arc-shaped baffles 405 at two sides, the pressure of the inner cavity of the gas collection ball 401 is increased, the space pressure between the inner bent pipe 403 and the support pipe 404 is reduced, the arc-shaped baffles 405 rotate, the space between the outer bent pipe 402 and the support pipe 404 is opened, the gas enters, the pressure is increased, the pressure of the inner cavity of the gas collection ball 401 is reduced, the arc-shaped baffles 405 are closed, the shape of the front welt 101 is kept unchanged under the action of pressure difference, and the arc-shaped spoilers 502 are arranged in the inner bent pipe 403, when a person wears the anti-virus mask, hot air exhaled from the oral cavity flows through the upper surface of the arc-shaped spoiler 502 through the air inlet 505, because the upper surface area of the arc-shaped spoiler 502 is larger than the lower surface area of the top plate 504, when unit volume of air flows, the air flow rate of the upper surface of the arc-shaped spoiler 502 is larger than the lower surface area of the top plate 504, according to the Bernoulli principle, the pressure at a place with a large flow rate is small, the pressure between the arc-shaped spoilers 502 is smaller than the pressure at the top of the arc-shaped spoilers, the inner bent pipe 403 bends towards one side of the bottom plate 501, so that the gap between the face and the anti-virus mask is further reduced, because the inner bent pipe 403 is attached to the face, the temperature of a human body is directly absorbed by the heat absorption bin 503, the temperature of the arc-shaped spoiler 502 is always higher than the temperature of the top plate 504, the attachment is ensured, meanwhile, the air flowing out of the air outlet 506 can keep a certain temperature, and the hot air flowing out of the outlet 506 flows into the space between the inner bent pipe 403 and the support pipe 404, the gas in the space is heated, the pressure is increased, the gas is discharged into the gas collecting balloon 401, so that the space keeps a low pressure state, the gap between the face and the outside is reduced by utilizing the energy generated by the arc of a person, internal circulation is carried out in the anti-poison respirator, when an ear belt of the anti-poison respirator is pulled, the connecting nets 103 are contracted, the two adjacent connecting nets 103 are close to each other, the connecting nets 103 extrude the push-pull rod 304 in the quasi-hexagonal block 3, the push-pull rod 304 is close to the axis of the fixed disc 301 along the inner cavity of the fixed sleeve 303, the compression spring 302 is compressed under the stress, the cross rods 305 on the two sides of the push-pull rod 304 pull the side arms 306 to move downwards, as the folding rod 307 and the bent rod 308 are rotatably connected on the two sides of the top of the side arms 306 through the rotating shaft 309, the folding rod 307 and the bent rod 308 are folded inwards, the left end of the bent rod 308 pulls the two ends of the elastic rod 310 to expand outwards, the radian of the elastic rod 310 is reduced, the inclination angle of the rotating rod 311 is increased, the hexagonal block 3 has a reduced volume, a reduced surface area of the connecting net 103, and a greater degree of contact between the connecting net 103 and the mouth and nose.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an adjustable face guard laminating degree's gas mask, includes the cover body (1), its characterized in that: the filter tank (2) is fixedly installed on two sides of the cover body (1), the cover body (1) comprises a shell (104), a front sticking strip (101) is movably installed on the front surface of the shell (104), a rear cover (105) is fixedly installed on the back surface of the shell (104), a connecting net (103) is movably installed on the back surface of the front sticking strip (101), the front surface of the connecting net (103) is rotatably connected with the back surface of the front sticking strip (101), the outer surface of the connecting net (103) is movably connected with the inner surface of the shell (104), a rear supporting strip (102) is fixedly installed on the back surface of the connecting net (103), the rear supporting strip (102) surrounds the periphery of the rear cover (105), a hexagon-like block (3) is arranged on the upper surface of the connecting net (103), the hexagon-like block (3) comprises a fixed disc (301), and a compression spring (302) is arranged on the inner wall of the fixed disc (301), the two ends of the compression spring (302) penetrate through the outer surface of the fixed disc (301) and extend to the outside of the fixed disc (301), a fixed sleeve (303) is welded on the side face of the fixed disc (301), the inner wall of the fixed sleeve (303) is in sliding connection with the outer surface of the compression spring (302), a push-pull rod (304) is welded at the top end of the compression spring (302), a folding rod (307) is rotatably connected at the top end of the push-pull rod (304) through a rotating shaft (309), the folding rods (307) are symmetrically arranged on the two sides of the top of the push-pull rod (304), cross rods (305) are welded on the two sides of the bottom of the push-pull rod (304), the two ends of each cross rod (305) penetrate through the outer surfaces of the push-pull rod (304) and the fixed sleeve (303) respectively, side arms (306) are rotatably connected at the two ends of the cross rods (305) through the rotating shaft (309), and the right sides of the top ends of the side arms (306) are rotatably connected with the left end of the folding rod (307) through the rotating shaft (309), the left side of the top end of the side arm (306) is rotatably connected with a bent rod (308) through a rotating shaft (309), the left side of the bent rod (308) is bonded with an elastic rod (310), and the right side of the elastic rod (310) is provided with a rotating rod (311);

when the ear belt of the gas mask is pulled, the connecting nets (103) are contracted, two adjacent connecting nets (103) are close to each other, and the connecting nets (103) extrude the push-pull rods (304) in the hexagonal block-like blocks (3).

2. The respirator of claim 1, wherein the respirator comprises: preceding welt (101) is including album balloon (401), the left side surface difference fixed mounting of collection balloon (401) has outer return bend (402) and interior return bend (403), be provided with between outer return bend (402) and interior return bend (403) stay tube (404), the both ends of stay tube (404) are rotated and are connected with cowl (405), the surface of cowl (405) and the internal surface contact of collection balloon (401).

3. The respirator of claim 1, wherein the respirator has an adjustable fit relative to the mask, and further comprises: the number of the rotating rods (311) is four, the rotating rods (311) are arranged in a vertically staggered mode, and a certain gap is reserved between the two rotating rods (311) on the same side.

4. The respirator of claim 2, wherein the respirator comprises: interior return bend (403) include bottom plate (501), the last fixed surface of bottom plate (501) installs arc spoiler (502), heat absorption bin (503) have been seted up to the bottom of arc spoiler (502), heat absorption bin (503) are located the wall of bottom plate (501), the left side fixed mounting of arc spoiler (502) has air inlet (505), the top fixed mounting of arc spoiler (502) has roof (504), the right side of roof (504) is link up there is gas outlet (506), the surface of roof (504) is run through at the both ends of gas outlet (506).

5. The respirator of claim 1, wherein the respirator comprises: the hexagonal blocks (3) are clamped with each other, and the outer surfaces of the hexagonal blocks (3) are bonded with the outer surface of the connecting net (103).

6. The respirator of claim 1, wherein the respirator comprises: the top end of the rotating rod (311) is rotatably connected with the outer surface of the bent rod (308) through a rotating shaft (309), and the bottom end of the rotating rod (311) is rotatably connected with the outer surface of the fixed disc (301).

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