KR101070193B1 - Multi safty cover type gas mask - Google Patents

Abstract

The present invention relates to a multifunctional hood type gas mask. According to the present invention, the fabric having a plurality of layers is sewn by the chemical resistant material, the heat dissipating material, and the textile material, which is formed in the form of a bag to cover the wearer's head to block chemical gas and fire, and the sewing part is ventilated. Hood that is provided with the same body in the front through-hole and the coupling hole formed through the rim is mounted in a sealing state; As the outer rim is sewn into the inner lower part of the hood while inserted into the inner lower part of the hood, it is fixed to the inner lower part of the hood, the sewing part is ventilated from the outer side of the hood, a hole is formed, chemical and fiber materials Blocking film of a thin film consisting of a raw film made of a rubber film and a rubber film made of only; A boss fixed to the coupling hole, the nose mask covering the wearer's mouth and nasal cavity; A purifier that provides purified air inside the hood; A fastener integrally fixing a purifying container to the coupling hole of the hood and the boss of the nose mask; An exhaust valve for exhausting the internal air of the hood to the outside of the hood; A strap that wraps the rear of the hood and is fixed at both ends at the front of the hood, and closes the rear part of the hood to the back of the wearer as both ends are pulled; And a locker for locking or unlocking both ends of the string. According to the present invention, the hood is made of a chemical resistant material, a heat dissipating material, and a fiber material, so that a chemical gas and a fire can be blocked.

Description

MULTI SAFTY COVER TYPE GAS MASK

The present invention relates to a CBR warfare (chemical, bio-logical and radiological warfare) and a gas barrier gas mask.

In general, gas masks are worn on the face in order to prevent toxic chemical gases generated in emergencies such as chemical warfare, biological warfare, or radioactive warfare from entering the human body, and those who wear them may evacuate to a safe area from a contaminated area.

The applicant has applied for the 'gas mask with a hermetic skirt and a manufacturing method thereof related to the present invention to the Korean Intellectual Property Office and registered under the registration number 10-0663232.

1 is a perspective view of a conventional hood gas mask, Figure 2 is a longitudinal cross-sectional view of FIG.

A conventional hooded gas mask is worn on the head of a wearer as shown in FIGS. 1 and 2, and a hood 1 provided with a see-through lens L and a contaminated air to purify contaminated air into the hood 1. A purifying container 2 which is integrally fastened to the hood 1 by a metal band B which is fastened to provide, and connected to the purifying container 2 inside the hood 1, covering the nasal cavity and the oral cavity of the wearer. The nose mask 3, the exhaust valve 4 for discharging the internal air of the hood 1 to the outside, and a ring member formed at the rear of the hood 1 so that the rear of the hood 1 closely adheres to the back of the wearer's back ( 7) the straps (5), both ends of which are fixed to the front of the hood (1) while surrounding the rear of the hood (1) while being fitted in the state, and the connecting straps (6) to fix or release both ends of the captive strap (5). Through the fixing ring (R) is provided on both sides of the metal band (B).

And, the hood (1) is enlarged on the right side of Figure 2, both ends of the sewing on the surface of the hood (1) after being coupled to the seam sealing member (S) in the form of a film to prevent chemical gas from penetrating the sewing site By the fusion by ventriculation is provided with a ring member (7) forming a ring shape so that the tightening string (5) is inserted.

In addition, the hood 1 is provided therein is provided with an elastic band (8) to block the inflow of the chemical gas in close contact with the wearer's neck.

Such a hooded gas mask has a hood (1) on its head and a nose mask (3) on its nose and mouth as shown in FIG. After the back of 1) is in close contact with the borrower's back of the head, the pulling string (5) is fixed to the fixing ring (R) to complete wearing. Therefore, the wearer may escape the contaminated area while breathing while wearing a hooded gas mask.

However, such a conventional hooded gas mask has a problem that it can not effectively counteract a variety of chemical components because only one coating of a chemical resistant material such as a waterproofing material on the fabric of the hood (1).

In addition, such a conventional hood (1) also lacks the flame retardancy that can be opposed to fire, there is a problem that can not fight fire.

Moreover, the elastic band 8 described above is not installed horizontally inside the hood 1 as shown in FIG. 2, but is installed in the shape of a neck polar, so that the wearer quickly puts the hood 1 on his head in case of emergency. In the case of writing, the outer peripheral surface of the neck may not be accurately sealed due to overlapping on the outside of the neck, and there is also a problem in that the feeling of wearing decreases.

In addition, there is a problem in that the purification tank 2 has only a member for purifying chemical gas, and lacks a structure for purifying toxic gas generated at a fire site and thus cannot be used at a fire site.

In addition, as the strap 5 is enlarged in a plan view on the left side of FIG. 2, a plurality of fixing rings R are inserted in sequence and wound around the second ring R, passing through the first fixing ring R again. Since it is fixed to the fixing rings (R), the wearer also has a problem in that it is very inconvenient to secure the tightening string (5) in a tightened state in case of emergency.

Moreover, when the ring member 7 tightly tightens the tension strap 5 when the wearer tries to bring the hood 1 close to the head while the tension strap 5 is inserted, as shown in FIG. As shown on the right side, as the external force is applied to the welded portion of the ventilating member S, the sewing portion n is exposed to the outside through a gap 9 formed in the welded portion of the ventilating member S. There is a problem that the chemical gas penetrates through the sewing portion (n).

The present invention has been made to solve the above problems, the hood that is worn on the wearer's head is a heat-resistant material for heat dissipating heat and chemicals of the thin film to block the chemical gas and a fiber material laminated with these chemicals and heat dissipating material The purpose is to provide a multi-functional hood respirator that can block chemical gases, fire and radiant heat.

In particular, it is another object of the present invention to provide a multifunctional hood respirator comprising a hood made of a fabric complementary to a variety of chemical components and firearms by a plurality of protective layers formed by stacking a chemical resistant material and a heat dissipating material and a fiber material.

In addition, it is another object to provide a multi-functional hood gas mask that can purify the chemical gas generated during the fire and extinguishing through the filtration tank, and can filter the toxic gas generated in the fire.

The present invention for achieving the above object is made of a chemical resistant material and heat dissipating material of the thin film to block the chemical gas and the heat resistant material and the chemical material and the heat dissipating material is made of a laminated material and the chemical and heat dissipating material and As the fabric having a plurality of layers is sewn by the fiber material is formed in the form of a pocket and covered on the wearer's head to block chemical gases and fire, the sewing portion is ventilated, the rim is mounted in a sealing state and Hood formed through the coupling hole formed in the same body on the front of the wearer's head; A ring made of a thin film resistant chemical material and a thin film fiber material in which the chemical material is laminated so that the chemical material and the fiber material have a plurality of layers and an outer edge is sewn on the inner lower portion of the hood. It is composed of a rubber film that is formed in the form of the film and the hole is inserted into the head of the wearer is connected to the inside of the fabric film, or the hole is formed of a rubber film sewn on the inner lower portion of the hood and The outer edge of the wearer's neck inserted into the hole of the rubber membrane is fixed to the inner bottom of the hood by the sewing of the outer edge in a horizontal state, the sewing portion is ventilated at the outside of the hood, and the elasticity of the rubber membrane A thin film blocking film that is elastically sealed by and blocks penetration of chemical and toxic gases; A nose mask provided inside the hood and inserted into the coupling hole to cover the mouth and nasal cavity of the wearer; One side is fixed to the boss of the nose mask to provide the purified air to the inside of the hood; A fastener integrally fixing the purifying container to the coupling hole of the hood and the boss of the nose mask; An exhaust valve for exhausting the internal air of the hood to the outside of the hood; Fastening straps which wrap the rear of the hood while both ends are fixed to the front of the hood, and the rear end of the hood in close contact with the back of the wearer as both ends are pulled; And a locker for locking or unlocking both ends of the tension strap.

The present invention as described above, the hood to be worn on the wearer's head is made of a laminated material having a plurality of layers by the chemical material and the heat dissipating material and the fiber is composed of a variety of chemical gases and fire can be blocked. .

In particular, the above-mentioned chemical resistant material, heat dissipating material, and fiber material, which are composed of a laminated state and complimentary to the action of various chemical components while constituting the fabric, are composed of a fiber layer, an aluminum layer, a PET layer, and a PE layer. Fires can be blocked by reflecting radiant heat while blocking gases, toxic gases or toxic liquids.

In addition, the purifier can be composed of a filter and a purifying member to purify the chemical gas generated during the chemical fire through the purifier can filter the toxic gas generated in the fire.

1 is a perspective view showing a conventional hooded gas mask.
2 is a sectional view of Fig. 1;
Figure 3 is a perspective view of a multifunctional hood gas mask of the present invention.
4 is a cross-sectional view of FIG.
5 is an exploded perspective view of an exhaust valve applied to the present invention.
6 is a cross-sectional view illustrating a state in which the exhaust valve of FIG. 5 is installed and operated in a blocking film.
Figure 7 is a cross-sectional view of a state in which the purifier is coupled to the hood by a fastener applied to the present invention.
8 is a perspective view of a rocker applied to the present invention.
9 is a plan view of the operating state of FIG.
Figure 10 is a perspective view showing a coupling process of the ring member applied to the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings.

3 to 4, the hood 1, the barrier film 10, the nose mask 3, the fastener, the purifying tank 2, the exhaust valve 4, the fastening string 5 and the locker (as shown in FIGS. 30).

The hood 1 is made of, for example, a chemical resistant material to block chemical gases and a heat dissipating material to block heat, and a fiber material to be laminated with the chemical material and a heat dissipating material, as shown in FIGS. 3 and 4. As the fabric is sewn into a broken line as shown in FIG. 3, the fabric is formed in a bag shape and covered with a wearer's head, and the sewing portion is ventilated by a seam tape S bonded by fusion, and a lens ball formed on the front surface ( A perspective lens L and a through hole 1d, which are mounted in a sealed state on an outer rim of the not shown), are provided on the front surface of the same to cover the wearer's head. Such, the hood (1) is made of a plurality of layers by the chemical material and the heat-dissipating material and the fiber material to be described later, as shown in the upper right corner of Figure 4, blocking the chemical gas and fire to wear the head of the wearer Protect.

Here, the layer by the chemical resistant material described above may be configured to include a PET layer (1b) and a PE layer (1c) to be described later. In addition, the above-described seam tape S may be coated on the outer surface by deposition of an aluminum layer (not shown) or a film of a thin film on which an aluminum layer is formed by adhesion.

The fabric of the hood 1 is, for example, a fibrous layer 1a, an aluminum layer 1e, a polyethylene terephthalate (PET) layer 1b, and a polyethylene (PE) layer 1c, as shown in an enlarged upper right side of FIG. It may be configured to include). The fiber layer 1a may be composed of a thin film fiber material made of any one of polyester fiber, nylon fiber, cotton fiber or aramid. The aluminum layer 1e is stacked in a thin film form on the fiber layer 1a as shown in an enlarged view on the upper right side of FIG. 4 to form one layer of heat dissipating material on the fiber layer 1a. The aluminum layer 1e may be formed of a thin film and attached to the fibrous layer 1a. Alternatively, the aluminum layer 1e may be formed by vapor deposition on the fibrous layer 1a. In addition, the aluminum layer 1e may reflect radiant heat, thereby protecting the wearer's head and skin from fire. The PET layer 1b is formed in a thin film form on the aluminum layer 1e as shown in an enlarged view on the upper right side of FIG. 4 to form one layer of a chemical resistant material on the fiber layer 1a. The PE layer 1c is laminated on the PET layer 1b in the form of a thin film to form another layer made of a chemical resistant material on the fiber layer 1a. The PET layer 1b and the PE layer 1c are made of a thin film and attached to the aluminum layer 1e. Accordingly, the hood 1 is formed by a thin film, which is varied by a fibrous layer 1a, an aluminum layer 1e, a PET layer 1b, and a PE layer 1c, which complementarily correspond to the action of various chemical components. Not only can it prevent the penetration of chemical gases and fire, but also can be manufactured in a thin thickness.

As described above, the transparent lens (L) is sewn on the outer edge of the lens hole (not shown) formed on the front of the hood (1) is fixed by sealing, as shown in Figure 3 sealing by seam tape (S) And may be fixed or bonded.

The barrier film 10 is intended to prevent the penetration of chemical gas into the wearer's neck, but various structures can be proposed. As a specific example, as shown in an enlarged view on the lower left side of FIG. A ring-shaped distal membrane 11 and a hole 12 into which the wearer's head is inserted may be formed, and may be configured as a ring-shaped rubber membrane 13 connected to the inner side of the distal membrane 11. That is, the blocking film 10 may be formed of two films formed in a ring shape and connected to each other. On the other hand, the blocking film 10 is formed, for example, a hole 12 into which the wearer's head is inserted, as shown in an enlarged bottom right side of FIG. 4 so that the outer edge of the rubber film is sewn on the inner lower part of the hood 1. It may consist only of 13). The blocking film 10 is fixed horizontally to the inner lower portion of the hood 1 as the outer edge of the distal film 11 or the rubber film 13 is sewn as shown on both sides of the lower end of FIG. In addition, the blocking film 10 may block the penetration of the chemical gas and the toxic gas through the sewing part because the sewing portion is ventilated from the outside of the hood 1 as shown in the enlarged both sides of the lower end of FIG. When the wearer's neck is inserted into the hole 12 of 13, the outer periphery of the neck is elastically sealed by the elasticity of the rubber membrane 13 so that chemical gases and toxic gases are formed in the holes 12 of the rubber membrane 13. Blocks penetration into

The above-described raw film 11 may be formed of, for example, a chemical material of a thin film that blocks a chemical gas and a fiber material in which chemical materials are laminated, so that a plurality of layers may be formed by the chemical material and the fiber material. The fabric membrane 11 may be formed by laminating a chemical resistant material made of PE or PET in the form of a film on the surface of the fabric fabric applied to the fabric of the hood (1) described above, otherwise manufactured from a thin polyurethane May be This distal film 11 is formed in a ring shape having a hole 11a in the center as shown in an enlarged bottom right side of FIG. 4, and the outer edge is sewn and fixed to the bottom of the hood 1. The distal film 11 is enlarged on the lower right side of FIG. 4, and a rubber membrane 13 having a hole 12 into which the wearer's head is inserted is sewn to the inner circumference of the hole 11a. Since the rubber membrane 13 stretches in a state corresponding to the neckline of the wearer when the wearer wears, the rubber membrane 13 can not only accurately seal the wearer's neck but also can be easily worn.

Here, the above-described blocking film 10 is a seam tape (S) in which the sewing portion of the fabric film 11 sewn on the hood 1 is fused to the outside of the hood 1 as shown in the lower right side of FIG. Ventricle). Therefore, the blocking film 10 may block the penetration of the chemical gas through the sewing portion.
Of course, when the blocking film 10 is composed of only the rubber film 13, as described above, the outer edge of the rubber film 13 is sewn and fixed as shown in the lower left of FIG. It is ventricular by seam tape (S). Therefore, the blocking film 10 may block the penetration of the chemical gas through the sewing portion.

The nose mask 3 is provided in the hood 1 as shown in FIG. 4, and the boss 3d is inserted into the coupling hole 1d of the hood 1 by hollowing the inside as shown in FIG. 7. ), And covers the mouth and nasal cavity of the wearer.

The fastener is for ventilating the purifying container (2) to the hood (1) and the nose mask (3), various forms or structures can be proposed, but as a specific example, for example, as shown in Figure 3 and 7, It can be composed of a metal band (20) integrally fixing the purifying container (2) to the coupling hole (1d) of the hood (1) and the boss (3d) of the nose mask (3). Since the metal band 20 is fixed in a state surrounding the edges of the coupling hole 1d and the boss 3d, the coupling state can be maintained firmly.

Purification container (2) is to provide the purified air inside the hood (1), a variety of structures or shapes can be proposed as a specific example, for example, the purifying container case (2a), filter 2b as shown in FIG. ) And the purifying member 2c. Purification case 2a has through-holes at both ends, and has a space therein, and may be manufactured including metal or modified PPO resin (MPPO: Modifide Polyphenylene Oxide) and glass fiber to maintain flame resistance and high strength. As shown in Fig. 7, the protruding cylindrical fitting portion, which is inserted into the boss 3d of the nose mask 3, is eccentrically formed on the upper side of the main body so that the main body does not cover the watch. The filter 2b is provided at one side of the clarification case 2a to filter toxic gas. The purifying member 2c is composed of a chemical agent or a filtering agent, and is provided on the other side of the purifying container case 2a to purify the chemical gas.

Such, the purification tank (2) can purify the chemical gas generated during the NBC and filter the toxic gas generated in the fire, it is possible to evacuate to a safe area while breathing in the NBC or the fire area.

The exhaust valve 4 is for exhausting the internal air of the hood 1 to the outside of the hood 1, and the hood 1 in communication with the nose mask 3 as shown in FIGS. 3 and 4. It is installed on the side of the hood and exhausts the internal air of the hood (1) to the outside of the hood (1). The exhaust valve 4 may be proposed in various forms or structures, but as an example, as illustrated in FIGS. 5 and 6, an exhaust pipe 4a, a valve tube fastening means, a diaphragm 4c, and a diaphragm fastening are illustrated. Means and valve cap 4h.

The exhaust pipe 4a is formed in a tubular shape in which the inside is hollow as shown in FIGS. 5 and 6, and is ventilated and fixed to the side of the nose mask 3 while penetrating the hood 1. As shown in FIG. 6, the exhaust pipe 4a has an inner locking jaw 4a-1 formed on the inner side of the lower end, an outer locking jaw 4a-2 formed on the outer side of the lower end, and a skirt (on the outer circumferential surface). 4a-3) are formed.

The valve tube fastening means is, for example, as shown in Figures 5 and 6 is formed in the shape of a hollow tube, the upper end is protruded to the side is inserted into the exhaust pipe (4a) and the upper end protruding laterally is the upper end of the exhaust pipe (4a) Press the side portion of the nose mask (3) from the inside to the outside by the pressure of the punching in the state of being caught, and the other end is compressed and spread to the inner locking jaw (4a-1) formed inside the lower end of the exhaust pipe (4a) It may consist of a rivet 4b. The rivet 4b has a skirt 4a-3 formed on the outer circumferential surface of the exhaust pipe 4a as shown in FIGS. 5 and 6 when the upper end presses the side of the nose mask 3. The outside of the blocking film 10 overlapped with the bottom of the support is supported. Therefore, the nose mask 3 and the blocking film 10 are in a closed state by the pressing of the rivet 4b and the skirt 4a-3 in a state where they overlap each other.

The diaphragm 4c may be constituted by a rubber film to easily open and close the lower part of the exhaust pipe 4a by air pressure, for example, as shown in FIGS. 5 and 6.

The diaphragm fastening means may, for example, be composed of a locking member 4f and a plurality of ribs 4g as shown in FIGS. 5 and 6. The locking member 4f is formed of a rubber material ring and easily fits into the outer locking jaw 4a-2 formed at the bottom outside of the exhaust pipe 4a by force fit so that it can be caught by the outer locking jaw 4a-2. . As shown in FIGS. 5 and 6, the plurality of ribs 4g are respectively disposed on the outer circumferential surface of the locking member 4f and the outer circumferential surface of the diaphragm 4c so that the diaphragm 4c is spaced apart from the locking member 4f by a predetermined interval. Both ends of are integrally connected. The rib 4g is made of a rubber material and is easily stretchable. Therefore, the diaphragm 4c can be easily spaced apart from the lower part of the exhaust pipe 4a when air is exhausted through the exhaust pipe 4a in a state located at the lower part of the exhaust pipe 4a. When the negative pressure is formed can be in close contact with the lower portion of the exhaust pipe (4a) to block the inflow of air.

As shown in Figs. 5 and 6, the valve cap 4h is fastened to the rim of the skirt 4a-3 to cover and protect the outside of the diaphragm 4c, and to the exhaust pipe 4a. A plurality of through holes 4h-1 are formed to guide the exhaust air to the other end and prevent inflow of foreign substances.

Here, since the exhaust valve 4 is fixed to the nose mask 3 through the hood 1 as shown in FIGS. 3 and 4, the exhaust valve 4 can exhaust the internal air of the hood 1 to the outside. have. In addition, the exhaust valve 4 is installed at a position spaced apart from the locker 30 and the tightening string 5 from the outside of the hood 1, as shown in Figure 3 when tightening the tightening string (5) or It does not interfere with the locker 30.

As shown in FIG. 3, both ends of the tension strap 5 are fixed to the front of the hood 1 while surrounding the rear of the hood 1, and the rear part of the hood 1 closely adheres to the back of the wearer as both ends are pulled. For example, it may be composed of an elastic band.

The locker 30 is for locking or unlocking both ends of the tensioning strap 5 as shown in FIG. 3, but various forms or structures may be proposed. As a specific example, for example, as shown in FIGS. 8 and 9, It may be configured to include a connecting string 32, the gripping ring 33, the connecting piece 35 and the fixing means.

The connecting string 32 is configured in plural and fixed to both sides of the purifying container 2 in a state of being caught by the metal band 20 that is a fastener as shown in FIGS. 8 and 9.

As shown in FIGS. 8 and 9, the connecting piece 35 has one end connected to the connecting string 32 in a state capable of uniaxial rotation, and a spike 39 is provided at the other end thereof. As shown in FIGS. 8 and 9, the connecting piece 35 is provided with a connecting portion 34 having a through hole formed therein so that the other end of the connecting string 32 is inserted into and fixed to the connecting piece 35. At the end, the tip 36 is formed so that the wearer releases the pressure of the tension strap 5 with a finger.

As shown in FIGS. 8 and 9, the gripping ring 33 is fixed to the connecting piece 35 so that one side thereof can be rotated uniaxially, and the tightening strap 5 is inserted into the other side. Winding in the bent state, as the connecting piece 35 is uniaxially rotated by the tension force of the tightening string (5) generated while the drawstring (5) is pulled, while the other side is uniaxially rotated around the one side and the wound drawstring (5) wound on the other side The fastening string 5 is gripped together with the connecting piece 35 by bringing it into close contact with the spike 39 of the connecting piece 35. Such, the holding ring 33 may be provided with a tubular sleeve (33a) is inserted to facilitate the movement of the tightening strap (5) wound in the bent state on the other side as shown in Figs.

The fixing means is for fixing one side of the gripping ring 33 to the connecting piece 35 so as to enable one-axis rotation, and various forms or structures may be proposed, but as a specific example, gripping as shown in FIGS. 8 and 9, for example. The inclined jaw 37 and the straight jaw 37a perpendicular to the inclined jaw 37 are formed on both sides of one side of the connecting piece 35 on which one side of the ring 33 is positioned, and the inclined jaw ( One side of the gripping ring 33 inserted between the inclined jaw 37 and the straight jaw 37a through 37 is caught by the inclined jaw 37 and the straight jaw 37a and flows on one side of the connecting piece 35. It can be configured to be constrained as much as possible.

The locker 30 as described above is generated while the tightening string 5 is pulled in a state in which the gripping ring 33 inserted together with the tightening string 5 is inserted into the connecting piece 35 as shown in FIG. As the connecting piece 35 is uniaxially rotated by the tensioning force of the tightening strap 5, the spike 39 of the connecting piece 35 presses the tightening strap 5 to the gripping ring 33, so that the tightening strap 5 only uses the tension of the tightening strap 5. (5) can be fixed by pressing.

In addition, the locker 30 has a spike 39 spaced apart from the gripping ring 33 as the connecting piece 35 is uniaxially rotated when the tip 36 is pushed outward with a finger as shown in FIG. 9B. The pressure is released so that the tension strap 5 can be released.

On the other hand, the hood 1 may be provided with a ring member (80). Ring member 80 is provided on the outside of the hood (1) as shown in Figure 4, to prevent the drawstring 5 from flowing down from the hood, for example, as shown in (c) of FIG. It may be configured to include a string (S1) and the seam tape (S). String ring (S1) forms a ring shape as both ends are bent and fixed to the surface of the hood (1) as shown in (d) of FIG. Such, the string loop (S1) may be configured in the same way as the fabric of the hood (1). Therefore, the string S1 is fixed to the hood 1 because it is fused to the surface of the PE layer 1c. Shim tape (S) as shown in Figure 10 (d) overlaps the string ring (S1) while both ends extend outwards than both ends of the string ring (S1), string ring (S1) and hood (1) One side is fixed to the surface of the fusion. Therefore, the ring member 80 is firmly fixed to the tightening of the tightening string 5 because both ends of the string ring (S1) and both ends of the seam tape (S) are fused to the surface of the hood (1) at the same time.

The ring member 80 is composed of a string ring (S1) and a seam tape (S) attached to the surface of the hood (1) by double fusion, it can be firmly supported by the double fusion site (5). In addition, because the sewing portion is not formed in the hood (1) by fusion can achieve a complete sealing.

In this way, the present invention configured works as assembled below.

First, the hood 1 is fabric is sewn as shown in Figure 3, the sewing portion is ventilated by a seam tape (S) is formed in a bag shape. As shown in FIG. 4, the barrier layer 10 is fixed in a horizontal state to an inner lower portion of the hood 1. The exhaust valve 4 is ventilated and fixed to the nose mask 3 while passing through the hood 1.

As shown in FIG. 7, the nose mask 3 has a boss 3d inserted into the coupling hole 1d inside the hood 1. As shown in Fig. 7, one end of the purification container 2 is inserted into the boss 3d through the coupling hole 1d. The metal band 20 bends the edge of the coupling hole 1d to integrally fix the purifying container 2 to the hood 1. In this case, the metal band 20 is bent in a state in which the connecting piece 35 is connected to the connecting string 32 as shown in FIG. 8.

In addition, the tightening string 5 is inserted into the string ring S1 provided in the hood 1 as shown in FIG. 4, and both ends thereof are locked to the plurality of lockers 30 as shown in FIG. 3.

Therefore, the wearer places the nose mask 3 to cover the nasal cavity and oral cavity in a state in which the barrier membrane 10 is shielded around the neck by wearing the hood 1 on the head as shown in FIG. (5) Pull the hood (1) into close contact with the back of the head to complete wearing.

As such, when the wearer breathes through the nose mask 3 while wearing the gas mask of the present invention as shown in FIG. 4, the air purified in the clarifier 2 as shown in FIG. After being introduced into the inside, and exhausted to the outside of the hood (1) through the exhaust valve (4), it is possible to move to a safe area while breathing from the polluted area contaminated with chemical gas while wearing a gas mask.

At this time, the hood (1) is formed as a bag shape by the sewing as shown in Figure 3 and ventricle, so that the penetration of the chemical gas and toxic gas easily through the sewing site. In addition, since the hood 1 includes a PET layer 1b, an aluminum layer 1e, and a PE layer 1c, the hood 1 blocks the chemical gas and the toxic gas and reflects the radiant heat, thereby removing the wearer's head from the chemical gas and the firearm. Protect.

And, the blocking film 10 as shown in Figure 4 shields around the wearer's neck to easily block the penetration of chemical gases and toxic gases.

In addition, since the exhaust valve 4 is installed in the hood 1 in a state spaced apart from the tightening string 5 and the locker 30 as shown in FIG. 4, when the tightening string 5 is pulled, the exhaust valve 4 interferes with the tightening string 5. It doesn't work.

In addition, since the purifying container 2 is firmly coupled to the hood 1 by the metal band 20, it is not easily separated from the hood 1 by an external impact.

In addition, since the locker 30 is disposed at both sides of the purification container 2 as shown in FIG. 3, the locker 30 can be easily pulled at both ends of the tension string 5. In addition, the locker 30 allows the movement of the pulling string 5 to be pulled, and automatically locks the pulling string 5 by the tension force of the pulling string 5 after being pulled, and only by opening the tip 33 with a finger. Gently release the locking of the lanyard (5).

In addition, the ring member 80 is placed in the back of the head (1) of the hood (1) by preventing the flow of the fastening strap (5) inserted as shown in Figure 4, so that the fastening strap (5) pulls the hood ( 1) can be easily adhered to the back of the head. In addition, the ring member 80 can be easily guided to tighten the tightening straps 5 without being pulled off from the hood 1 when the tightening straps 5 are pulled in because both ends are fused to the surface of the hood 1 in a double manner. have.

Since the above-described embodiments are merely illustrative of the preferred embodiments of the present invention, the scope of application of the present invention is not limited to the above, and appropriate modifications are possible within the scope of the same idea. Therefore, since the shape and structure of each component shown in the embodiment of the present invention can be carried out by deformation, it is natural that the modification of the shape and structure belong to the appended claims of the present invention.

1: Hood 2: Purification Can 3: Nose Mask
4 exhaust valve 5 tightening string 10 blocking film
11: fabric 20: metal band 30: rocker

Claims (9)

The fabric having a plurality of layers by the chemical resistant material and the heat dissipating material and the fibrous material is made of a chemical resistant material of the thin film to block the chemical gas and the heat dissipating material to block the heat and the chemical material and the heat insulating material laminated As it is sewn, it is formed in the form of a pocket and is covered on the wearer's head to block chemical gas and fire, the sewing part is ventilated, and a fluoroscopy lens and a through-hole coupling hole are mounted on the front side of the wearer. Hood covered;
A ring made of a thin film resistant chemical material and a thin film fiber material in which the chemical material is laminated so that the chemical material and the fiber material have a plurality of layers and an outer edge is sewn on the inner lower portion of the hood. It is composed of a rubber film that is formed in the form of the film and the hole is inserted into the head of the wearer is connected to the inside of the fabric film, or the hole is formed of a rubber film sewn on the inner lower portion of the hood and The outer edge of the wearer's neck inserted into the hole of the rubber membrane is fixed to the inner bottom of the hood by the sewing of the outer edge in a horizontal state, the sewing portion is ventilated at the outside of the hood, and the elasticity of the rubber membrane A thin film blocking film that is elastically sealed by and blocks penetration of chemical and toxic gases;
A nose mask provided inside the hood and inserted into the coupling hole to cover the mouth and nasal cavity of the wearer;
One side is fixed to the boss of the nose mask to provide the purified air to the inside of the hood;
A fastener integrally fixing the purifying container to the coupling hole of the hood and the boss of the nose mask;
An exhaust valve for exhausting the internal air of the hood to the outside of the hood;
Fastening straps which wrap the rear of the hood while both ends are fixed to the front of the hood, and the rear end of the hood in close contact with the back of the wearer as both ends are pulled; And
Multifunctional hood-type gas mask comprising a; locker for locking or unlocking both ends of the string. The method of claim 1, wherein the hood fabric,
A fibrous layer formed of the fibrous material to form one layer;
An aluminum layer laminated in the form of a thin film on the fiber layer so that one layer made of the heat dissipating material is formed on the fiber layer;
A PET layer laminated in the form of a thin film on the fiber layer such that one layer made of the chemical resistant material is formed on the fiber layer on which the aluminum layer is laminated; And
And a PE layer laminated in a thin film form on the PET layer so that another layer made of the chemical resistant material is formed on the fiber layer on which the PET layer is laminated. The method of claim 1, wherein the fastener,
And a metal band for banding the edge of the coupling hole and the edge of the boss together at one end of the purifying container passing through the coupling hole of the hood and the boss of the nose mask. The method of claim 1, wherein the purifying container,
Purification container case having a through hole at both ends, the space is provided inside;
A filter provided at one side of the purifying case to filter the toxic gas; And
Multifunctional hood-type gas mask comprising a; purifying member provided on the other inside of the purifying case to purify the chemical gas. The method of claim 1, wherein the exhaust valve,
A multifunctional hood type gas mask according to claim 1, wherein the hood is installed at the side of the hood in communication with the nose mask to exhaust the internal air of the hood to the outside of the hood. The method of claim 1, wherein the locker,
A connecting string integrally connected to the fastener;
A connecting piece having one end connected to the connecting string in a state capable of one-axis rotation, and having a spike provided at the other end thereof;
One side is fixed to the connecting piece in a state of being fitted to the connecting piece is fixed to the connecting piece, the tightening strap is inserted into the inner side to be bent to the other side, as the connecting piece is uniaxially rotated by the tension of the tightening strap generated while pulling the tightening strap A gripping ring for holding the tightening strap together with the connecting piece by closely attaching the tightening strap wound on the other side while the other side is uniaxially rotated about one side; And
Multifunctional hood-type gas mask comprising a; fixing means for fixing one side of the gripping ring to the connection piece to enable rotation. The method of claim 6, wherein the fixing means,
An inclined jaw and a straight jaw perpendicular to the inclined jaw are formed on both sides of one side of the connecting piece where one side of the gripping ring is positioned, and is inserted between the inclined jaw and the straight jaw by the interference fit. One side of the gripping ring is hooked on the inclined jaw and straight jaw, characterized in that configured to be constrained to flow on one side of the connecting piece. The method of claim 1,
It is provided on the outside of the hood, the hook member for preventing the drawstring from flowing down from the hood; multi-function hood respirator further comprising. The method of claim 8, wherein the ring member,
Both ends are bent to the surface of the hood is fixed by fusion to form a string ring; And
Multi-functional hood-type gas mask including ;; overlapping with the string ring, both ends extend outward than both ends of the string ring, the tape tape and one side is fixed to the surface of the hood by fusion.

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