KR101278436B1 - Gas-mask - Google Patents

Abstract

The present invention relates to a gas mask. The present invention has a purifying tank connection hole to which the purifying container is connected, a lens hole to which the lens is mounted, and an exhaust hole to which an exhaust unit for evacuating the air is mounted, and a rubber face mask worn on the face to protect the face from toxic substances; A back head cover connected to the rear of the face mask and surrounding the back head of the wearer; A side coupler connecting the side of the back of the head cover to the face mask; And an upper coupler connecting an upper portion of the rear head cover to the face mask. The present invention can easily connect the rear head cover to the back of the face mask.

Description

Gas Mask {GAS-MASK}

The present invention relates to a gas mask, which is worn on the face in the NBC situation and relates to a gas mask that can block the influx of toxic substances.

In general, gas masks are to be worn on the face to prevent toxic substances such as toxic chemical gases generated in emergency situations such as chemical warfare, biological warfare, or radioactive attack from entering the human body. These respirators protect the wearer and allow the wearer to escape from the contaminated area to the safe area.

Such a gas mask is manufactured in the form of a mask as proposed in Korean Utility Model Registration No. 20-373434 registered with the Korean Intellectual Property Office by the applicant of the present invention (see FIG. 1), or as proposed in Patent Registration No. 10-1070194. Manufactured in a hood form.

Here, when the gas mask is configured in the form of a mask as shown in (a) of FIG. 1, a hood for shielding the entire head is separately provided and covered on the head when necessary.

At this time, the hood of the prior art is provided with an elastic band to be in close contact along the edge of the gas mask is coupled to the edge of the gas mask by the elastic force of the elastic band.

However, the conventional gas mask has a problem in that the hood is easily peeled off during the activity as the hood is fixed only by the elastic force of the elastic band so that the head is easily exposed in the contaminated area.

In addition, the conventional gas mask is connected to the face mask through the buckle 3 as shown in FIG. Wrap

The back head cover is proposed in the Patent Registration No. 10-0973995 registered in the Republic of Korea Patent Office by the applicant of the present invention, the upper strap (S) of the upper as shown in Figure 1 enlarged is a hook formed on the top of the face mask If the hook (1a) is configured to be fixed to be fixed to the back of the head cover can be very easily connected to the face mask.

At this time, the upper strap (S) is bent in the form of 'U' to the hook (1a) as shown in the enlarged and then fixed to the hook (1a) as the Velcro fastener (V) is coupled.

However, in the conventional gas mask as described above, the upper strap S of the rear head cover is wound around the hook ring 1a so as to protrude upward from the hook ring 1a, that is, the hook ring 1a. ) Wound around the thickened and protruded, so that the protruding part is caught in the hood or when wearing a helmet not shown, the protruding part is pressed against the helmet to cause pain while stimulating the scalp.

Meanwhile, another conventional gas mask surface proposed in Patent Registration No. 10-0941018 registered with the Korean Patent Office by the applicant of the present invention is wound around the outer circumferential surface of the exhaust port E, as shown in FIG. Since the end Pa of the intake pipe P fixed is inserted into the fitting groove (not shown) formed in a horizontal state on the lower portion of the face mask, the end Pa of the intake pipe P is lower than the face mask. Removably fixed to.

Here, the above-described fitting groove is formed in a horizontal state under the chin of the wearer located in the face mask.

However, such another conventional gas mask is fixed to the lower end of the face mask as the end (Pa) of the intake pipe (P) in a horizontal state while the handle of the end (Pa) is the lower portion of the face mask Since the handle may be caught by another object, and the end of the intake pipe P is inserted into the insertion groove in a horizontal state, the rear face of the insertion groove cannot be supported and the rubber face mask is pushed back. The end Pa of the intake pipe P is often not easily fixed to the fitting groove.

The present invention has been developed as a problem as described above, an object of the present invention can be prevented from protruding from the connection portion while the upper strap for connecting the upper portion of the rear head cover to the upper portion of the face mask is wound around the connection portion with the face mask. The purpose is to provide a gas mask.

In addition, it can be restrained while receiving a portion of the upper strap, it is possible to prevent the flow of the upper strap, in addition to providing a gas mask that can be prevented from excessive stretching of the upper coil winding portion is another object.

In addition, the end of the intake pipe can be built in the state standing in the lower portion of the face mask, it is still another object to provide a gas mask made of a structure that is easily built in the end of the intake pipe standing up state.

In addition, to provide a gas mask that can be securely fixed to the face mask by connecting a portion of the hood in the state of the face mask while detachably connecting a separate hood to the face mask worn on the face. Another purpose.

In addition, another object is to provide a gas mask that can tighten the lower end of the hood connected to the facial mask.

An object of the present invention has a purging tank connecting hole to which the purifying tank is connected and a lens hole to which the lens is mounted and an exhaust hole equipped with an exhaust unit for exhausting the air therein, which is worn on the face to protect the face from toxic substances Mask; A back head cover connected to the rear of the face mask and surrounding the back head of the wearer; A side coupler connecting the side of the back of the head cover to the face mask; And an upper coupler connecting an upper portion of the rear head cover to the face mask, wherein the side coupler comprises: a hook formed in the same body in the face mask and protruding to the rear of the face mask; Buckle coupled to one side of the hook is detachable; And a coupling strap protruding from the side of the rear head cover and detachably coupled to the other side of the buckle, wherein the upper coupler includes: a rubber material locking ring protruding from the top of the face mask; An upper strap protruding from an upper portion of the rear head cover and having a Velcro fastener installed at an end thereof, the upper strap of which an end is wound around the locking ring and fixed; And a projection preventing means provided in the same as the locking ring and receiving a portion of the upper strap to prevent an end of the upper strap from being protruded to the outside of the locking ring while being wound around the locking ring. do.

The protruding preventing means is formed in the shape of a groove in the locking ring to which the upper strap is wound, and is formed in a size corresponding to the width of the upper strap to accommodate both sides of the upper strap while accommodating the upper strap to be wound on the locking ring. Groove; can be composed of.

The present invention may further include a reinforcing member that provides rigidity to the inner circumferential surface of the locking ring to prevent the locking ring from being stretched and stretched excessively.

The reinforcing member is embedded in the locking ring, the ring-shaped insert is made of a plastic or metal material; may be configured.

The present invention comprises: an intake pipe through which one end is introduced into the exhaust hole of the face mask, the other end is exposed to the outside of the face mask, and is composed of a soft tube to supply liquid to the inside of the face mask; And a locker for detachably fixing an end portion of the intake pipe in a standing state under the face mask.

The rocker, one side is coupled to the other end of the intake pipe, bent in an orthogonal state, the elbow provided with a flow path for communicating therein; An elbow pocket formed concavely in the lower portion of the face mask, and the other side of the elbow is fitted into the elbow to fix the other side of the elbow; And a plate-shaped handle protruding from the outer side of the elbow.

The present invention provides an exposure hole that exposes the front surface of the face mask in which the connection hole, the lens hole, and the exhaust hole are formed, and the edge of the exposure hole is connected to the front edge of the face mask to shield the head of the wearer; And a connector partially connecting the edge of the exposed hole formed in the hood to the face mask.

The connector may include an upper connector connecting an upper portion of the hood exposure hole to an upper portion of the front surface of the face mask in which the lens hole is formed; A lower connector connecting a lower portion of the exposed hole of the hood to a lower portion of the front surface of the face mask in which the exhaust hole is formed; And a side connector for connecting the side of the hood hole to the front side of the face mask having the hook coupled to the buckle.

The upper connector may include: an upper block protruding from the front surface of the face mask in the same position, positioned on an upper portion of the lens hole, and having a through hole in a transverse direction; An upper ring fixed to an upper portion of the hood exposure hole to form a ring; And hooks connecting the upper part of the hood exposed hole to the face mask as one side and the other side are fixed to the through hole and the upper ring of the upper block.

The lower connector may include a lower block protruding from the front surface of the face mask in the same position and positioned below the exhaust hole and having a through hole in a transverse direction; A lower ring fixed to a lower portion of the hood exposure hole to form a ring; And hooks connecting the lower part of the hood to the face mask as the one side and the other side are fixed to the through-hole and the lower ring of the lower block.

The side connector may include a holder in the form of a hole provided in the buckle to which the hook provided on the front side of the face mask is coupled; And a band strap provided at a side of the hood exposed hole and having a Velcro fastener installed at an end thereof, the band strap being fixed to the buckle while the end is wound around the buckle through the holder.

The present invention, the lower tension string tightening the lower end of the hood; A strap ring for fluidly fixing the tension strap to the hood; And a fastener fixing the string to the hood.

The fastener may include a fixed membrane to which the string is fixed while forming a ring shape; And a thermoplastic film disposed between the surface of the hood and the fixed membrane and attached to the surface of the hood while being melted by high heat.

The present invention because the upper strap of the upper coupler is wound around the locking ring of the face mask is prevented by the protrusion preventing means can prevent the protrusion on the hood, it can prevent the pain caused by the pressurization of the helmet have.

In addition, since the upper strap is inserted into the groove of the protruding prevention means and both sides are restrained, the protruding is not only prevented, but also the flow of the upper strap is prevented when the rear head cover is worn. When pulling the hole of the locking ring to prevent excessive stretching, so that the face mask can be easily worn.

In addition, the end of the intake pipe is fixed to the bottom of the face mask can be easily fixed to the intake pipe in the lower portion of the face mask, in particular the elbow is coupled to the end of the intake pipe is bent to easily insert into the elbow pocket Since the end of the intake pipe can be easily fixed vertically, and the elbow pocket is supported by the wearer's chin worn inside the face mask, the elbow can be easily press-fitted into the elbow pocket. .

In addition, since the edge of the exposed hole formed in the hood is connected to the face mask by the connector, the hood is firmly connected to the face mask to protect the wearer's head from toxic substances.

Specifically, as the connector consists of upper and lower and side connectors, only four portions of the hood are connected to the face mask, respectively, so that the hood can be very firmly connected.

In addition, the upper connector and the lower connector are composed of blocks, hooks, and hooks, so that the hooks and hooks are fixed to both sides of the hooks, thereby preventing the hood from being randomly separated from the face mask. It may be fixed in a state.

In addition, the side connector is composed of a holder provided in the buckle and the band strap provided on the hood so that the band strap is fixed by the Velcro fasteners installed on the band strap while being held by the holder, so that the band strap can be fixed simply and firmly.

And, as the lower tension strap is fixed to the string ring is provided on the lower end of the hood, so that the lower end of the hood can be tightened with the tension strap, thereby preventing the poisonous substances from penetrating into the lower end of the hood.

In addition, the fixed membrane fixed to the strap is attached to the hood by a thermoplastic film, so that the strap can be attached to the hood without sewing the strap, thereby preventing the poisonous gas from penetrating into the sewing portion of the strap.

1 is a perspective view showing a conventional gas mask.
2 is a front view showing a gas mask according to the present invention.
3 is a perspective view showing the face mask shown in FIG.
4 is a side view showing the face mask shown in FIG.
5 is a front view showing the hood shown in FIG.
6 is a perspective view showing the hook shown in FIG.
7 is a partially enlarged view showing a portion of a gas mask according to the present invention.
8 is a perspective view showing the insert of the gas mask according to the present invention.
9 is a cross-sectional view showing a state in which the insert of FIG. 8 is incorporated.
10 is a front view showing the front of the face mask shown in FIG.
FIG. 11 is a side cross-sectional view of the face mask shown in FIG. 2. FIG.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

1 is a perspective view showing a conventional gas mask, Figure 2 is a front view showing a gas mask according to the present invention, Figure 3 is a perspective view showing a face mask shown in Figure 2, Figure 4 is shown in Figure 3 Figure 5 is a side view showing a face mask, Figure 5 is a front view showing the hood shown in Figure 2, Figure 6 is a perspective view showing the hook shown in Figure 4, Figure 7 is a partially enlarged view showing a portion of the gas mask according to the present invention. 8 is a perspective view illustrating an insert of a gas mask according to the present invention, FIG. 9 is a cross-sectional view showing a state in which the insert of FIG. 8 is embedded, and FIG. 10 is a front view showing the front of the face mask shown in FIG. FIG. 11 is a side cross-sectional view of the face mask shown in FIG. 2.

Gas mask according to an embodiment of the present invention, as shown in Figure 3 and 6 includes a face mask 10 and the back head cover 30, and the side coupler and the upper coupler to be described later.

The face mask 10 is a member that protects the face from toxic substances by shielding the face in a permeable and transparent manner, made of a rubber material as shown in FIG.

As shown in FIG. 3, the face mask 10 is provided with a purification tank connecting hole 11, a lens hole 12, and an exhaust hole 13.

Purification vessel connecting hole 11 may be formed on both sides of the face mask 10, as shown, is connected to either side of the purification vessel not shown to supply the purified air into the face mask 10. As shown in FIG. 2, the lens hole 12 is equipped with a lens LS to transparently shield the face mask 10. As illustrated in FIG. 2, the exhaust hole 13 is equipped with an exhaust unit EX to exhaust internal air of the face mask 10. That is, the face mask 10 is supplied with air through the purifying container and the purifying container connector 11, and the breathed air is discharged to the outside through the exhaust unit EX of the exhaust hole 13.

Here, the detailed configuration or combination configuration of the above-described purification tank or lens LS and the exhaust unit EX may be a configuration that is commonly used in the art to which the present invention pertains. Omit the description.

Meanwhile, the aforementioned head head cover 30 may be formed in a mesh form as shown in FIG. 3 as a member surrounding the wearer's back head by being connected to the rear of the face mask as shown in FIGS. 3 and 11.

The side coupler described above connects the side of the back head cover 30 to the face mask 10. Such a side coupler may include, for example, a hook 14, a buckle 20, and a coupling string 31 as illustrated in FIGS. 3 and 11.

As shown in FIG. 3, the hooks 14 are formed along the edge of the face mask 10 and are formed in the same body to protrude to the rear of the face mask 10. As shown in FIG. 4, the buckle 20 is a hole in which the hook catching jaw 21 is provided, and the hook 14 of the face mask 10 is inserted and detachably hooked, and the cover catching hole 23 is connected to the other side. ) Is formed. Coupling strap 31 is formed in the protruding side of the back of the head cover 30, as shown in Figure 3, is inserted into the cover engaging hole 23 of the buckle 20, Velcro fasteners are installed at the end of Figure 11 As shown in the Velcro fastener in the state wound around the buckle 20 is fixed to the cover engaging hole 23 of the buckle 20. That is, the coupling string 31 is detachably coupled to the other side of the buckle 20.

On the other hand, the above-described upper coupler is an element that connects the upper portion of the rear head cover 30 to the face mask 10. The upper coupler may include, for example, a locking ring 15 as shown in FIG. 10, an upper strap 32 as shown in FIG. 3, and protrusion preventing means described below.

As illustrated in FIG. 10, the locking ring 15 is a rubber protrusion having a hole formed to protrude into the same body on the top of the face mask 10. The locking ring 15 provides a hole in the upper portion of the face mask 10 as shown in Figs.

3 and 11, the upper strap 32 is formed to protrude on the upper head cover 30, and a Velcro fastener is installed at an end so that the end penetrates through the locking ring 15. It is fixed to the locking ring 15 while being wound around the ring 15. The upper strap 32 is extended toward the face mask 10 from the upper portion of the back head cover 30, as shown in FIG. The upper strap 32 may be configured as a strap having elasticity. The upper strap 32 is bent in a shape such as 'U' after passing through the locking ring 15 as enlarged in FIG. 11, and as the Velcro fastener of the end is coupled to the locking ring 15. It is detachably fixed.

Protrusion preventing means is provided in the same as the locking ring 15, the upper strap 32 is wound around the locking ring 15 by receiving a portion of the upper strap 32 to the outside of the locking ring 15 Prevent protruding. Such protrusion preventing means is formed in a groove shape on a portion of the locking ring 15 to which the upper strap 32 is wound, as shown in FIGS. 7 and 11, and corresponds to the width of the upper strap 32. The groove 15a is formed to have a size to accommodate the upper string 32 wound around the locking ring 15 and to constrain both sides of the upper string 32. That is, the protrusion preventing means may be configured of the groove 15a formed in the locking ring 15.

As the upper strap 32 is enlarged in FIG. 11, as the groove 15a is formed in the locking ring 15, a portion wound around the locking ring 15 is concealed in a recessed state in the groove 15a. do. Therefore, the upper strap 32 is not protruded even if it is wound around the locking ring (15). In addition, since the upper strap 32 is caught on both ends of the groove-shaped groove 15a on both sides of the width, even when the head cover 30 is flown when the helmet is not shown, the upper strap 32 is not constrained by the groove 15a.

On the other hand, the locking ring 15 is secured to the inner peripheral surface when the reinforcing member is provided, so even if the upper strap 32 is not stretched excessively. The reinforcing member is composed of, for example, a ring-shaped plastic or metal insert 16 as shown in FIG. The insert 16 is inserted into the locking ring 15 to be embedded as shown in FIG. 9, and thus does not provide a hard feeling to the outside.

The insert 16 is preferably formed on the surface of the embossing (16a) is fixed to the interior of the locking ring 15 as shown in Figs. When the insert 16 is inserted into the locking ring 15 by the insert process, the embossing 16a is caught by the interior of the locking ring 15 so that the insert 16 of the locking ring 15 may be inserted into the locking ring 15. Prevents deviation from inside.

The insert 16 provides rigidity around the hole formed in the locking ring 15 when the upper string 32 is pulled to prevent the hole from being stretched excessively. Therefore, the wearer can easily wear the face mask 10.

On the other hand, the gas mask according to an embodiment of the present invention may be provided with a water intake pipe 200 as shown in Figure 10 and a locker to be described later.

Intake pipe 200 is formed long as shown in Figure 2, one end is introduced into the exhaust hole of the face mask 10 as shown in Figure 11, the other end as shown in Figure 10 the face mask ( It is exposed to the outside of 10) and wound on the outer circumferential surface of the above-described exhaust port EX as shown in FIG. Intake pipe 200 is composed of a soft tube to supply a drinking liquid such as water or beverage into the face mask (10). The intake pipe 200 is released from the outer peripheral surface of the exhaust port (EX) in use, and the other end is connected to the water tank not shown in the supply of drinking liquid to the inside of the face mask (10).

The locker detachably fixes the end of the intake pipe 200 to the lower portion of the face mask 10. Such a locker may be composed of, for example, an elbow 210, an elbow pocket 220, and a handle 210a as shown in FIG. 11.

As shown in FIG. 11, one side of the elbow 210 is coupled to the other end of the intake pipe 200, is bent in an orthogonal state, and a flow path communicating with the inside is provided. The elbow 210 is made of plastic or metal, and as shown in FIG. 11, one side coupled to the water intake pipe 200 is formed in a nipple shape, and the other side is made of a tube having a larger diameter than one side, which will be described later. It is inserted into the elbow pocket 220 as shown.

The elbow pocket 220 is recessed in the lower portion of the face mask 10 as shown in FIG. 11 to provide a groove into which the elbow 210 is inserted in the lower portion of the face mask 10. The elbow pocket 220 is formed in a cap-shaped cross-section at the bottom of the face mask 10 as shown, so that the open inlet is directed downward. As shown in the elbow pocket 220, the other side of the elbow 210 is fitted to fix the other side of the elbow upright. Elbow pocket 220 is inclined as shown to be pressed against the elbow 210 is easily pressed against the wearer's thumb while minimizing contact with parts not shown mounted inside the face mask 10 It is preferable.

The handle 210a is formed to protrude in a plate shape on the outside of the elbow 210 as shown in FIG. The handle 210a is used to release the elbow 210 from the elbow pocket 220. Thus, the wearer can easily take the elbow 210 out of the elbow pocket 220.

Referring to the operation of the gas mask according to an embodiment of the present invention configured as described above are as follows.

Gas mask according to an embodiment of the present invention, as shown in FIG. 11, the coupling strap 31 of the rear head cover 30 to the buckle 20 to which the hook 14 of the face mask 10 is fixed. It is wound up and fixed. And the upper strap 32 extending in the protruding state on the upper head cover 30 is fixed to the end is wound around the engaging ring 15 as shown in FIG. At this time, the wound around the upper strap 32 is accommodated in the groove (15a) of the engaging ring 15 as enlarged in FIG. Therefore, the upper strap 32 does not protrude the wound, the flow to the left and right is prevented.

Here, the hook ring 15 described above does not extend even when the upper strap 32 is pulled out as the insert 16 is built in, as shown in FIG. 4. The back head cover 30 is easily fixed to the rear of the face mask 10.

And the insert 16 is firmly fixed because the embossing (16a) is fixed to the inside of the engaging ring 15 as shown in FIG.

On the other hand, the water intake pipe 200 is fixed to the part of the elbow 210 is fixed to the elbow pocket 220 formed in the lower portion of the face mask 10, as shown in FIG. At this time, the elbow 210 is erected and fixed to the elbow pocket 220, thereby preventing the handle 210a from protruding downward of the face mask 10 to prevent contact with an external object.

In addition, since the elbow pocket 220 is supported by the wearer's jaw (not shown) located inside the face mask 10 during the interference fit of the elbow 210, the elbow 210 is easily pressed into the interference fit.

Meanwhile, the gas mask according to the embodiment of the present invention may further include a hood 40 as shown in FIG. 2 and a connector 100 to be described later as shown in FIG. 4.

Hood 40 is to shield and protect the wearer's head and shoulders, as shown in Figure 2, as shown in Figure 5 is provided with an exposure hole 41 as shown in FIG. 41 is partially connected along the edge of the face mask 10 while the front face of the face mask 10 is exposed.

 The hood 40 may be composed of, for example, a composite fabric consisting of a fiber fabric and a chemical resistant film that blocks chemical toxic substances. The fiber fabric is preferably made of a woven fabric material and formed into a thin film, and the surface may be stained.

In addition, the chemical resistant film is composed of a plurality of layers including, for example, a PE layer and a PET layer, each layer may block various chemical substances, and a PTFE layer may be further provided. In this case, the PTFE layer may be provided in a state in which activated carbon powder or granules or granules that filter chemical toxic substances are attached. Alternatively, the chemical film may be composed of a single layer while being composed of the above-described PE layer or PET layer.

As shown in FIG. 2, the connector 100 is a component that partially connects the edge of the exposed hole 41 formed in the hood 40 to the edge of the face mask 10. For example, as shown in FIGS. 4 and 5. As shown, it can be configured to include the upper connector 110, lower connector 130 and the side connector 150.

The upper connector 110 is a component that connects the upper portion of the exposed hole 41 formed in the hood 40 on the front surface of the face mask 10, the upper block 111 as shown in Figs. , The upper ring 113 and the hook 115 can be configured.

The upper block 111 is formed in the upper portion of the front surface of the face mask 10, as shown in Figure 4 protruding to form the upper portion of the lens hole 12, the through-hole 111a is formed in the transverse direction to be described later The hook 115 is combined.

The upper ring 113 is fixed to the upper portion of the exposure hole 41 formed in the hood 40 as shown in Figure 5 to form a ring.

Hook 115 is as shown in Figure 4, one side is inserted into the through hole 111a of the upper block 111, the other side is inserted into the upper ring 113 of the hood 40, the hood (40) Connect the upper portion of the exposed hole 41 of the) to the upper portion of the face mask (10).

The hook 115 is bent in a zigzag form as shown in Figure 6 may be composed of a bending pin to form a '' form, one side (115a) is a through hole 111a of the upper block 111 It penetrates in a horizontal state and the other side 115b penetrates through the upper ring 113 in a horizontal state. And, the hook 115 is fixed to both sides of the upper block 111 and the upper ring 113 as the end 115c of both sides is formed in a hook form as shown.

Here, the hook 115 may be carried in a fixed state by being caught by the face mask 10 as usual, or alternatively, it may be fixed and carried by the hood 40.

The lower connector 130 is a component that connects the lower portion of the exposed hole 41 formed in the hood 40 at the lower front of the face mask 10, and as shown in FIGS. 4 and 5, the lower block 131. , The lower ring 133 and the hook 115 can be configured.

The lower block 131 is formed in the lower portion of the face mask 10 while forming the same shape as the upper block 111 described above as shown in FIG.

The lower ring 133 is provided in a ring shape in the lower portion of the exposed hole 41, as shown in FIG.

Hook 115 is connected to the lower side of the hood 40 to the face mask 10 while both sides are inserted into the through-hole 131a and the lower ring 133 of the lower block 131 as described above.

Side connector 150 is a component for connecting the side of the hood 40 to the face mask 10 by connecting the side of the exposure hole 41 of the hood 40 to the above-described buckle 20, for example, Figure 4 and As shown in FIG. 5, the holder 151 and the band strap 153 may be configured.

Holder 151 is formed in a hole shape on one side of the buckle 20 to which the hook 14 of the face mask 10 is coupled as shown in FIG.

Band strap 153 is provided in both sides of the exposure hole 41 formed in the hood 40 as shown in Figure 5 penetrates through the holder 151, through the Velcro fastener 153a installed at the end in a ring shape It is fixed to the buckle 20 in a state wound around the buckle 20.

That is, the band strap 153 is fixed to the buckle 20 coupled to the hook 14 of the face mask 10 through the holder 151, so that both sides of the hood 40 may be disposed on the side of the face mask 10. Connect.

Accordingly, the hood 40 is partially connected along the edge of the face mask 10 by the upper connector 110, the lower connector 130 and the side connector 150, the edge of the exposure hole (41).

On the other hand, the present invention can be configured to further include a fastening string 50, a string ring 60 and a fastener 70 as shown in FIG.

Twist 50 is provided on the lower end of the hood 40 as shown in Figure 5 to tighten the lower end of the hood 40 to prevent the lower end of the hood 40 to flow, the toxic material is the lower end of the hood 40 To prevent ingress.

Strap ring 60 is fixed to the lower end of the hood 40, as shown in Figure 5, the hood 40 to be movable, it is formed as a plurality of rings are fastened by the string 50 is passed through.

The fastener 70 is a component for fixing the strap 60 to the hood 40, and may include, for example, a fixed membrane 71 and a thermoplastic film 73 as shown in FIG. 5.

The fixed membrane 71 is a member in which the string ring 40 is integrally fixed, and it is preferable that the fixed membrane 71 is made of a fabric of the same material as the hood 40. In this fixed membrane 71, the string ring 60 may be fixed with a bar. Alternatively, the string ring 60 may be thermally fused or ultrasonically fused or bonded.

The thermoplastic film 73 is disposed between the surface of the hood 40 and the fixed membrane 71 as shown in FIG. 5 to attach the fixed membrane 71 to the surface of the hood 40 while being melted by high heat. . The thermoplastic film 73 may be composed of, for example, a film made of hot melt. In addition, the thermoplastic film 73 may be formed with a hole in the center to reduce the material cost, alternatively it may be composed of a thin film material without a hole.

The operation of the gas mask according to the present invention including the above components will be described.

The face mask 10 is worn on the face in the NBC pollution area. At this time, the face mask 10 is fastened to the coupling strap 31 of the rear head cover 30 coupled to the hook 14 through the buckle 20, as shown in Figure 3, the upper strap 32 described above As it is fixed to the locking ring 15 is worn in close contact with the face.

When the wearer is to shield the head from toxic substances, the face through the exposed hole 41 of the hood 40 while wearing the hood 40 to the head while wearing the face mask 10 as shown in FIG. After exposing the front surface of the mask 10, the edge of the exposure hole 41 is connected to the edge of the face mask 10 through the connector 100.

At this time, the wearer is the upper ring 113 and the lower ring of the hood 40 to the hook 115 is fixed to the upper block 111 and the lower block 131 as shown in Figs. 133 is respectively inserted and fixed, and the band strap 153 provided on both sides of the hood 40 is penetrated through the holder 151 provided in the buckle 20 to be fixed through the Velcro fastener 153a.

Then, the wearer fastens the lower end of the hood 40 by binding the fastening strap 50 provided in the state caught in the strap 60 of the hood 40 as shown in FIG.

As described above, according to the gas mask of the present invention, the edge of the exposed hole 41 formed in the hood 40 is connected to the face mask 10 by the connector 100, so that the hood 40 is firmly and quickly face mask 10. ), The wearer's head can be protected from toxic substances.

Specifically, as the connector 100 is composed of the upper and lower and side connectors 110, 130, 150, only four portions of the hood 40 are connected to the face mask, so the hood 40 is more firmly and quickly. Can be connected.

In addition, the upper connector 110 and the lower connector 130 is composed of blocks 111 and 131, rings 113 and 133, and a hook 115 so that the blocks 111 and 131 are disposed on both sides of the hook 115. ) And the ring 113 and 133 are fixed in a locked state, thereby preventing the hood 40 from being randomly separated from the face mask 10, and the through hole 111a of the hook 115 block 111 and 131. It may be fixed in the inserted state.

In addition, the side connector 150 is composed of a holder 151 provided on the buckle 20 and a band strap 153 provided on the hood 40 so that the band strap 153 is caught by the holder 151. Since the band strap 153 is fixed by the Velcro fastener 153a installed at 153, the band strap 153 may be fixed simply and firmly.

And, as the lower tension strap 50 is fixed to the string ring 60 is provided at the lower end of the hood 40, the lower end of the hood 40 can be tightened with the tension strap 50, so the lower end of the hood 40 to the toxic substance This can be prevented from infiltrating.

In addition, since the fixed membrane 71 having the string loop 60 fixed thereto is attached to the hood by the thermoplastic film 73, the string loop 60 can be attached to the hood without sewing the string loop.

The embodiments described above are merely illustrative of preferred embodiments of the present invention, and thus the scope of application of the present invention is not limited to them, and appropriate modifications can be made within the scope of the same ideology. 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.

10: face mask 15: engaging ring
15a: Groove 16: Insert
16a: embossing 200: intake pipe
210: elbow 220: elbow pocket
11: septic tank connector
12 lens hole 13 vent hole
14 hook 20: buckle
21: Hook catching jaw 23: Cover catching ball
30: head cover 31: binding strap
40: Hood 41: Exposed Ball
100: connector 110: upper connector
111: upper block 113: upper ring
115: hook 130: lower connector
131: lower block 133: lower ring
150: side connector 151: holder
153: band strap 50: lower drawstring
60: strap 70: fasteners
71: fixed membrane 73: thermoplastic film

Claims (7)

A rubber mask face mask having a purging tube connecting hole to which the purifying tank is connected, a lens hole to which the lens is mounted, and an exhaust hole to which the exhaust unit to exhaust the air is mounted, and which is worn on the face to protect the face from toxic substances;
A back head cover connected to the rear of the face mask and surrounding the back head of the wearer;
A side coupler connecting the side of the back of the head cover to the face mask; And
And an upper coupler connecting an upper portion of the rear head cover to the face mask.
The side coupler,
A hook formed in the same body in the face mask and protruding to the rear of the face mask;
Buckle coupled to one side of the hook is detachable; And
Includes protruding to the side of the back of the head cover to be detachably coupled to the other side of the buckle;
The upper coupler,
Rubber material engaging ring formed to protrude in the same body on top of the face mask;
An upper strap protruding from an upper portion of the rear head cover and having a Velcro fastener installed at an end thereof, the upper strap of which an end is wound around the locking ring and fixed; And
It is provided in the same as the locking ring, protruding preventing means for receiving a portion of the upper strap to prevent the end of the upper strap is wound around the locking ring to protrude out of the locking ring;
It further includes a reinforcing member to provide rigidity to the inner circumferential surface of the locking ring to prevent the locking ring from being stretched excessively.
The reinforcing member
A gas mask comprising: a ring-shaped insert embedded in the locking ring and made of plastic or metal. The method of claim 1, wherein the protrusion preventing means,
The upper strap is formed in the groove shape in the locking ring, the groove is formed in a size corresponding to the width of the upper strap to accommodate the upper strap wound on the locking ring while confining both sides of the upper strap; Gas mask made with. delete A rubber mask face mask having a purging tube connecting hole to which the purifying tank is connected, a lens hole to which the lens is mounted, and an exhaust hole to which the exhaust unit to exhaust the air is mounted, and which is worn on the face to protect the face from toxic substances;
A back head cover connected to the rear of the face mask and surrounding the back head of the wearer;
A side coupler connecting the side of the back of the head cover to the face mask; And
And an upper coupler connecting an upper portion of the rear head cover to the face mask.
The side coupler,
A hook formed in the same body in the face mask and protruding to the rear of the face mask;
Buckle coupled to one side of the hook is detachable; And
Includes protruding to the side of the back of the head cover to be detachably coupled to the other side of the buckle;
The upper coupler,
Rubber material engaging ring formed to protrude in the same body on top of the face mask;
An upper strap protruding from an upper portion of the rear head cover and having a Velcro fastener installed at an end thereof, the upper strap of which an end is wound around the locking ring and fixed; And
It is provided in the same as the locking ring, protruding preventing means for receiving a portion of the upper strap to prevent the end of the upper strap is wound around the locking ring to protrude out of the locking ring;
An intake pipe through which one end is introduced into the exhaust hole of the face mask, the other end is exposed to the outside of the face mask, and is composed of a soft tube to supply liquid to the inside of the face mask; And
And a locker for detachably fixing an end portion of the water intake pipe to stand in a lower portion of the face mask. The method according to claim 4, wherein the locker,
An elbow having one side coupled to the other end of the intake pipe, bent in an orthogonal state, and having a flow path communicating therein;
An elbow pocket formed concavely in the lower portion of the face mask, and the other side of the elbow is fitted into the elbow to fix the other side of the elbow; And
Gas mask comprising a; plate-shaped handle protruding to the outside of the elbow. A rubber mask face mask having a purging tube connecting hole to which the purifying tank is connected, a lens hole to which the lens is mounted, and an exhaust hole to which the exhaust unit to exhaust the air is mounted, and which is worn on the face to protect the face from toxic substances;
A back head cover connected to the rear of the face mask and surrounding the back head of the wearer;
A side coupler connecting the side of the back of the head cover to the face mask; And
And an upper coupler connecting an upper portion of the rear head cover to the face mask.
The side coupler,
A hook formed in the same body in the face mask and protruding to the rear of the face mask;
Buckle coupled to one side of the hook is detachable; And
Includes protruding to the side of the back of the head cover to be detachably coupled to the other side of the buckle;
The upper coupler,
Rubber material engaging ring formed to protrude in the same body on top of the face mask;
An upper strap protruding from an upper portion of the rear head cover and having a Velcro fastener installed at an end thereof, the upper strap of which an end is wound around the locking ring and fixed; And
Is provided in the same as the locking ring, protruding preventing means for receiving a portion of the upper strap to prevent the end of the upper strap is wound around the locking ring to protrude out of the locking ring;
A hood that exposes the front surface of the face mask on which the connection hole, the lens hole, and the exhaust hole are formed, and an edge of the exposure hole is connected to the front edge of the face mask to shield the head of the wearer; And
And a connector connecting the edge of the exposed hole formed in the hood to the face mask.
Wherein the connector comprises:
An upper connector connecting an upper portion of the hood exposure hole to an upper portion of the front surface of the face mask in which the lens hole is formed;
A lower connector connecting a lower portion of the exposed hole of the hood to a lower portion of the front surface of the face mask in which the exhaust hole is formed; And
And a side connector connecting a side of the hood exposure hole to the front side of the face mask having the hook coupled to the buckle. The method of claim 6, wherein the upper connector,
An upper block protruding from the front surface of the face mask in the same body and positioned above the lens hole and having a through hole in a transverse direction;
An upper ring fixed to an upper portion of the hood exposure hole to form a ring; And
And hooks connecting the upper part of the hood exposed hole to the face mask as one side and the other side are fixed to the through hole and the upper ring of the upper block.
The lower connector,
A lower block protruding from the front face of the face mask in the same body and positioned below the exhaust hole and having a through hole in a transverse direction;
A lower ring fixed to a lower portion of the hood exposure hole to form a ring; And
It includes; hook to connect the lower portion of the exposed hole of the hood to the face mask as one side and the other side is fixed to the through hole and the lower ring of the lower block.
The side connector,
A holder having a hole shape provided in the buckle to which the hook provided on the front side of the face mask is coupled; And
And a band strap provided at a side of the hood exposed hole, and having a Velcro fastener installed at an end thereof, the band strap being fixed to the buckle while the end is wound around the buckle through the holder.

Images