WO2016006960A1 - Water intake unit for gas mask - Google Patents

Abstract

The present invention relates to a water intake unit for a gas mask which a wearer can easily use while wearing a gas mask, and which can prevent the wearer's jaw from coming into contact therewith. The present invention comprises: a water intake tube which penetrates an exhaust unit and extends to the inside/outside of the exhaust unit; a connector which is provided at an end of the water intake tube; and a pocket unit which is integrally formed beneath an exhaust cover so as to protrude downwardly, and which has a coupling space to which the connector is detachably connected.

Description

Gas mask intake unit

The present invention relates to a gas intake unit for gas masks, and more particularly, for gas masks that can facilitate the intake of the drink of the wearer while wearing the gas mask, and can prevent the contact of the wearer's chin to improve its convenience. It relates to a water intake unit.

As is well known, gas masks are worn on the wearer's face to protect the human body from toxic gases in contaminated areas. This gas mask provides the purged air to the wearer's respiratory tract through a purse container coupled to the mask. Thus, the wearer can safely operate in the contaminated area.

Such a gas mask is provided with a see-through window at the upper part which seals the face part, an air tank or a purification tank is installed at the side, an exhaust unit having an exhaust valve is provided at the lower center, and an exhaust cover is detachably mounted to the exhaust unit. And, one side adjacent to the exhaust unit is provided with a water intake unit that allows the wearer to take a drink.

On the other hand, the applicant of the present invention, as shown in Figure 1, registered a patent for the gas intake unit installed on the gas mask in the Republic of Korea Patent Office (Registration No. 488991, the intake coupling structure of the gas mask, hereinafter referred to as 'Patent Document 1') There is one bar. As shown in FIG. 1, the water intake unit 10 according to Patent Document 1 is vertically mounted to the lower portion of the gas mask GM installed with the exhaust unit 21, and the cap 7 is separated from the lower end of the connecting pipe ( As 9) is connected, the water of the water bottle (not shown) is supplied to the inside of the gas mask (GM) through the connector (9). The conventional water intake unit 10 can shield the lower end with a cap (7) when the connection pipe (9) is separated.

However, the water intake unit 10 according to Patent Literature 1 is fixed to the gas mask GM only when the internal fixing ring and the step of the external housing are assembled, so the manufacturing process or the assembly process is somewhat inconvenient.

In addition, since the water intake unit 10 according to Patent Document 1 is mounted on the bottom of the gas mask GM as shown in FIG. 1, it is not only somewhat inconvenient to connect the connection pipe 9 with the gas mask GM worn. Rather, it is rather inconvenient to ensure that the connector 9 is correctly connected.

In addition, the water intake unit 10 according to Patent Document 1 is mounted vertically in the interior of the gas mask (GM) not only reduces the internal receiving space of the gas mask (GM) in which the wearer's face is accommodated, but also wearer's nose or chin Frequent contact with the part.

Accordingly, the applicant of the present invention, as shown in Figure 2, registered a patent for the gas intake unit detachably mounted on the gas mask (Korea Patent Office No. 0941018, gas intake unit of the gas mask, hereinafter referred to as 'Patent Document 2' ) As shown in FIG. 2, the water intake unit according to Patent Document 2 includes a water intake pipe 50 connected to a gas mask GM, a water intake valve 60 connected to the water pipe 50, and a gas mask GM. It has a valve pocket 72 and the like formed in the horizontal direction at the bottom. The water intake pipe 50 is wound around the outer circumferential surface of the exhaust unit 21, the valve pocket 72 is formed into the same body at the lower end of the gas mask GM at the time of forming the gas mask GM, and the valve pocket 72 is the gas mask. Is formed in a circular groove structure on a portion of the (GM) is configured such that the intake valve 60 is fitted.

However, as the water intake unit according to Patent Document 2 is formed in a structure in which the valve pocket 72 protrudes inwardly at the bottom of the gas mask (GM), the inner receiving space of the gas mask is still not secured and wearability of the wearer is reduced. Rather, the wearer's chin or nose is in contact with the valve pocket 72 to give the wearer a foreign object, which lowers the ease of use.

The present invention has been made to solve various disadvantages of the prior art as described above. It is an object of the present invention to provide a gas intake unit for a gas mask that is sufficiently secured to increase the wearability of the gas mask and to prevent the wearer's nose or the chin from being in contact with each other.

In order to achieve the above object, the present invention provides a gas intake unit for a gas mask installed adjacent to an exhaust unit in which an exhaust cover is detachably mounted, the water intake pipe extending through the exhaust unit and extending into and out of the exhaust unit; A connection connector provided at an end of the water intake pipe; And a pocket part formed in the same body to protrude downwardly to the exhaust cover and having a coupling space to which the connection connector is detachably coupled.

The pocket portion is formed integrally with the friction area reduction portion formed in the cutout on the side wall, the engaging groove is formed on one outer peripheral surface of the connection connector, the friction area reduction portion is formed so that the engaging projection projected toward the coupling space, The engaging projection of the friction area reducing part is characterized in that the engaging groove of the connecting connector.

One side of the connection connector is provided with a handle unit integrally, there is an advantage that can be easily separated from the pocket by holding the handle portion.

The intake pipe has an inner intake pipe connected to the inside of the exhaust unit, and an outer intake pipe connected to the outside of the exhaust unit,

The inner intake pipe and the outer intake pipe are detachably connected to a intake valve for intermitting the intake flow of the beverage, and the intake valve is interposed between the inner intake pipe and the outer intake pipe.

The intake valve is characterized in that it is installed concealed between the exhaust unit and the exhaust cover.

The intake valve has a valve body having a valve flow path therein, a valve member rotatably installed in the valve body to open and close the valve flow path of the valve body, and provided at one end of the valve member to rotate the valve member. A control lever for operating the

The valve member may have a valve hole and a communication path, and the valve hole and the communication path may communicate with the valve flow path by the rotation of the valve member.

A mounting hole for mounting the water intake valve is formed at one side of the exhaust unit, and a seating groove in which one end of the valve member and the operation lever are seated is formed at one side edge of the exhaust cover corresponding to the mounting hole. The operating end of the exhaust unit and the exhaust cover is characterized in that it is installed to be exposed outward from the edge.

A pair of stopper portions adjacent to the seating recesses are provided to regulate the rotation angle of the operation lever, and thus there is an advantage that the operation lever and the opening / closing operation of the intake valve can be more smoothly performed.

The exhaust unit is characterized in that the reel having a winding groove wound around the outer intake pipe is formed in the same body, the edge of the exhaust cover is arranged to partially conceal the winding groove of the exhaust unit.

The cross section of the winding groove is characterized in that formed in an arc shape corresponding to the cross section of the outer intake pipe.

According to the present invention, as the pocket portion in which the contact connector is accommodated is formed to protrude downwardly under the exhaust cover, the seating space of the gas mask can be sufficiently secured and the contact of the wearer's nose or the chin is prevented when the gas mask is worn. As a result, the convenience of the wearer is greatly improved.

According to the present invention, since the connecting connector is easily inserted into the pocket part by the friction area reducing part, the locking groove of the connecting connector is engaged with the locking projection to ensure that the connecting connector coupled to the coupling space is easily released by any external force. There is an advantage that can be prevented.

According to the present invention, since the inner intake pipe and the outer intake pipe are configured to be detachably connected to the intake valve, the intake pipe can be assembled very easily, and in particular, the intake valve is installed between the exhaust unit and the exhaust cover. By doing so, there is an advantage that can significantly improve its appearance.

According to the present invention, as the opening and closing of the intake valve is made by the valve member which rotates with respect to the valve body, the opening and closing operation of the intake valve can be performed very easily, and through this, there is an advantage that the operation convenience is greatly improved.

According to the present invention, the operation lever for operating the valve member is installed so that the operation end is exposed to the outside from the edge of the exhaust unit and the exhaust cover can perform the rotation operation of the valve member more simply and stably, and the intake valve By minimizing the exposure, the appearance is greatly improved.

According to the present invention, the outer intake pipe can be stably stored by being wound in the winding groove of the reel, and can be prevented from being damaged or damaged due to the flow of the outer intake pipe.

According to the present invention, as the cross-section of the winding groove is formed in an arc shape, there is an advantage that the outer intake pipe can be stably maintained in a state of being wound in the winding groove to effectively block external departure.

1 is a view showing a water intake unit for a gas mask according to the prior art according to an embodiment.

Figure 2 is a view showing a water intake unit for a gas mask of the prior art according to another embodiment.

Figure 3 is a perspective view showing a gas mask equipped with a gas intake unit for gas masks according to an embodiment of the present invention.

Figure 4 is a perspective view of the gas intake unit for gas mask according to an embodiment of the present invention.

FIG. 5 is a perspective view illustrating a gas intake unit for the gas mask viewed from the arrow A in FIG. 4.

Figure 6 is an exploded perspective view showing a gas intake unit for gas mask according to the present invention.

Figure 7 is a front view showing a water intake unit for gas masks according to the present invention.

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7.

FIG. 9 is a cross-sectional view taken along line C-C of FIG. 7.

FIG. 10 is a view illustrating the back surface of the pocket part viewed from the arrow D direction of FIG. 8.

FIG. 11 is a cross-sectional view taken along the line E-E of FIG. 10.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. For reference, the size of the components, the thickness of the line, and the like shown in the drawings referred to for describing the present invention may be somewhat exaggerated for ease of understanding. In addition, terms used in the description of the present invention are defined in consideration of the functions in the present invention and may vary according to a user, an operator's intention, customs, and the like. Therefore, the definition of this term should be based on the contents throughout the specification.

3 to 11 is a view showing a gas intake unit for gas masks according to an embodiment of the present invention.

As shown, the gas intake unit for gas mask according to the present invention, the water intake pipe 10 provided through the exhaust unit 50 of the gas mask (GM) and the connection connector 20 provided at the end of the water intake pipe (11) And a pocket portion 30 provided in the same body in the exhaust cover 55 that is detachably mounted to the exhaust unit 50 and in which the connection connector 20 is detachably received.

The gas mask GM is provided with a see-through window 2 at an upper portion thereof, an air tank or a purifying tank 3 at a side thereof, and an exhaust unit having an exhaust valve 51 such as a check valve at a lower portion of the see-through window 2. 50 is installed. In addition, an exhaust cover 55 is detachably mounted on the front surface of the exhaust unit 50 through a fastener or the like.

In particular, the gas intake unit 10 for the gas mask according to the present invention is detachably mounted to the exhaust unit 50 and the exhaust cover 55, and thus the process of assembling and fixing the water intake unit 10 to the gas mask GM. Not only can be omitted, the part can be omitted when fixing the water intake unit 10 to the gas mask (GM), there is an advantage that can easily be fixed to the gas intake unit (GM).

The intake pipe 11 penetrates through the exhaust unit 50 and extends into and out of the exhaust unit 50. In particular, the intake pipe 11 has an inner side of the exhaust unit 50, as shown in FIGS. It has an inner intake pipe (11a) and the outer intake pipe (11b) connected to the outside of the exhaust unit 50 extending in the direction, the inner intake pipe (11a) and the outer intake pipe (11b) is separable to the intake valve (40) Is connected to, the intake flow of the beverage can be interrupted by opening and closing the intake valve (40).

Intake valve 40 is installed between the inner intake pipe (11a) and the outer intake pipe (11b), in particular, the inner intake pipe (11a) and the outer intake pipe (11b) is made of a flexible hose such as rubber intake valve ( 40) can be connected watertightly.

In addition, as shown in FIGS. 5 and 6, the intake valve 40 is installed to be concealed between the exhaust unit 50 and the exhaust cover 55.

As described above, the present invention has a structure in which the inner intake pipe 11a and the outer intake pipe 11b are assembled to the intake valve 40, so that the assembling structure of the intake pipe 11 can be made very simple, and in particular, the intake valve By installing the concealed between the exhaust unit and the exhaust cover there is an advantage that can significantly improve its appearance.

According to one embodiment, the intake valve is a valve body 41 is provided with a valve flow passage 41a therein, and rotatably installed in the valve body 41, as shown in Figure 8 and 9 The valve member 42 which opens and closes the valve flow path 41a of 41, and the operation lever 43 provided in the one end of the valve member 42, and operating to rotate the valve member 42 are included.

The valve body 41 has a cylindrical structure having a hollow portion, and a first connection protrusion 43 is formed at one side of the valve body 41. A valve flow path 41a is formed inside the first connection protrusion 43, and one end of the outer intake pipe 11b is hermetically connected to the first connection protrusion 46 of the valve body 41 so that the outside water intake pipe ( The beverage supplied through 11b) flows into the valve flow path 41a of the valve body 41.

The valve member 42 has a cylindrical structure and is rotatably installed on the inner diameter surface of the valve body 41. A valve hole 42a is formed at one outer circumferential surface of the valve member 42, and the valve hole 42a communicates with the valve flow path 41a of the valve body 41 by the rotation of the valve member 42. 42) is formed on the outer peripheral surface of one side.

In addition, the valve member 42 has a communication path 42b formed therein for communicating with the valve hole 42a in the longitudinal direction thereof, and protruding from the exhaust unit 50 at one side of the valve member 42. The two connection protrusions 47 are formed. One end of the inner intake pipe 11a is hermetically connected to the second connection protrusion 47 so that the drink water supplied through the communication path 42b of the valve member 42 flows into the inner intake pipe 11a.

As described above, the present invention is very easy to open and close the intake valve 40 by the opening and closing of the intake valve 40 by the valve member 42 rotating with respect to the valve body 41 and As a result, the operation convenience is greatly improved.

Meanwhile, as shown in FIGS. 8 and 9, one side of the exhaust unit 50 has a mounting hole 52 in which the water intake valve 40 is mounted, and an exhaust cover 55 corresponding to the mounting hole 52. At one side edge of the) is formed a seating groove 56, one end of the valve member 42 and the operating lever 43 is seated.

One end of the operation lever 43 is connected to one end of the valve member 42 and is concealed between the exhaust unit 50 and the exhaust cover 55, and the other end of the operation lever 43 can be gripped by the user for operation. The operation end is provided. As shown in FIGS. 5 to 7, the operation end of the operation lever 43 is installed to be exposed to the outside from one side of the exhaust unit 50 and the exhaust cover 55, and is adjacent to the seating groove 56. A pair of stoppers 56a and 56b are formed, and the rotation angle of the operating lever 43 can be regulated within a predetermined range by the stoppers 56a and 56b.

In this way, the operation lever 43 for operating the valve member 42 is installed so that the operation end is exposed to the outside from the exhaust unit 50 and the exhaust cover 55 to facilitate the rotational operation of the valve member 42. And it can be performed stably, and also by the external exposure of the intake valve 40 is minimized has the advantage that the appearance is greatly improved.

As shown in the enlarged view of FIG. 8, the first sealing protrusion 41c protrudes in the inner diameter direction on the inner diameter surface of the valve body 41 to be in close contact with the groove part of the valve member 42, and the valve body The second sealing protrusion 41d protrudes in the outer diameter direction on the outer diameter surface of 41 so that it may be hermetically adhered to the groove portion of the mounting hole 52. By the first and second sealing protrusions 41c and 41d, the valve body 41 has an advantage of ensuring the tightness between the valve member 42 and the mounting hole 52, thereby preventing the leakage of drinking water. According to an alternative embodiment, instead of the first and second sealing projections 41c and 41d, sealing rings may be provided on the inner and outer diameter surfaces of the valve body 41, respectively, to secure the sealing property.

The connection connector 20 is provided at the end of the water intake pipe 11, in particular, the outer intake pipe 11b, and this connection connector 20 is connected to the connection pipe (not shown) of the beverage container to take in the beverage of the beverage container. Water can be taken in through the pipe (11). In addition, the connection connector 20 may be a built-in check valve for preventing the back of the beverage into the beverage container.

One end of the connection connector 20 protrudes outward from the connection protrusion 25, and the connection protrusion 25 of the connection connector 20 seals the water intake pipe 11, in particular, the end of the outer water intake pipe 11b. Connected.

The pocket part 30 may be formed horizontally or vertically in the exhaust cover 55 or the exhaust unit 50, and the connection connector 20 may be detachably coupled to the pocket part 30.

According to one embodiment, the pocket portion 30 is provided to protrude downward from the lower portion of the exhaust cover 55, in particular the pocket portion 30 is one or more connecting ribs 35 extending from the lower end of the exhaust cover 55 Through) is formed to protrude from the bottom of the exhaust cover (55). The pocket portion 30 and the connecting rib 35 are formed in the same body at the time of forming the exhaust cover 55.

The pocket portion 30 has a coupling space 31 formed therein, and the coupling space 31 is formed corresponding to the outer surface shape of the connection connector 20. Thus, the connector 20 may be detachably fitted to the coupling space 31 of the pocket part 30.

As such, since the pocket part 30 to which the contact connector 20 is detachably coupled is formed to protrude downwardly under the exhaust cover 55, the seating space of the gas mask can be secured sufficiently, and when the gas mask is worn, The contact with the wearer's jaw is prevented, and through this there is an advantage that the ease of use of the wearer is greatly improved.

On the other hand, the pocket portion 30 is integrally formed with a friction area reduction portion 32 consisting of a cut gap 33 of a predetermined shape on its side wall, the friction area reduction portion 32 is a connection connector 20 which will be described later Is inserted into the pocket portion 30, the friction area of the connecting connector 20 with respect to the pocket portion 30 is reduced. Therefore, the connecting connector 20 is easily inserted into the pocket portion 30.

As shown in FIG. 10, the cut gap 33 may be formed in various ways, such as a "c" shape, a "U" shape, an arc shape, and the like, and thus, one side outer circumferential surface of the connection connector 20. As the incision gap 33 is partially formed in the friction area reduction part 32 is formed.

A locking groove 24 extends along the circumferential direction on one side outer circumferential surface of the connection connector 20, and a locking protrusion 34 protrudes toward the coupling space 31 at an end portion of the friction area reduction part 32. When the connection connector 20 is fitted into the coupling space 31 of the pocket part 30, the locking protrusion 34 of the friction area reduction part 32 is engaged with the locking groove 24 of the connection connector 20. It is possible to reliably prevent the connecting connector 20 from being easily pulled out by any external force in the coupling space 31.

In addition, a handle 28 is integrally provided at one side of the connection connector 20, and the connector 28 may be more easily separated from the pocket 30 by holding the handle 28.

On the other hand, the exhaust cover 55 is made of a hard material such as plastic, it is possible to more precisely and easily mold the coupling space 31 of the pocket portion 30, and also to the coupling space 31 of the pocket portion 30 There is an advantage that the attachment and detachment of the connector 20 can be more easily.

At the front edge of the exhaust unit 50, a reel 60 having a winding groove 61 in which the outer intake pipe 11b is wound is formed in the same body. In this way, the outer intake pipe 11b is wound around the winding groove 61 of the reel 60 so that the outer intake pipe 11b can be stored stably, and also due to breakage due to the flow of the outer intake pipe 11b. Damage can be prevented.

In addition, the cross section of the winding groove 61 is formed in an arc shape corresponding to the cross section of the outer intake pipe 11b, as shown in the enlarged view of FIG. In addition, the edge 55a of the exhaust cover 55 corresponding to the reel 60 is disposed to partially cover the winding groove 61 of the reel 60, and thus the outer water intake is wound on the winding groove 61. Partial concealment of the tube 11b can be facilitated.

As described above, the present invention has the advantage that the outer intake pipe (11b) is wound in the winding groove 61 in a stable state as the cross section of the winding groove 61 is formed in an arc shape to effectively block the external departure. have.

As mentioned above, specific embodiments of the present invention have been described, but the present invention is not limited to the embodiments disclosed in the present specification and the accompanying drawings, and may be variously modified by those skilled in the art without departing from the technical spirit of the present invention. .

Claims (6)

A gas intake unit for a gas mask provided adjacent to an exhaust unit to which an exhaust cover is detachably mounted, A water intake pipe extending through the exhaust unit and extending into and out of the exhaust unit; A connection connector provided at an end of the water intake pipe; And And a pocket portion formed in the same body as the exhaust cover and detachably coupled to the connection connector. The method according to claim 1, The pocket portion is formed integrally with the friction area reduction portion formed in the cutout on the side wall, the engaging groove is formed on one outer peripheral surface of the connection connector, the friction area reduction portion is formed so that the engaging projection projected toward the coupling space, Intake unit for gas masks characterized in that the engaging projection of the friction area reducing portion is engaged with the engaging groove of the connector. The method according to claim 1, The intake pipe has an inner intake pipe connected to the inside of the exhaust unit, and an outer intake pipe connected to the outside of the exhaust unit, The inner intake pipe and the outer intake pipe is detachably connected to the intake valve for regulating the intake flow of drinking water, the intake valve is a gas intake unit for gas masks, characterized in that interposed between the intake pipe and the outer intake pipe. The method according to claim 3, The intake valve is a gas intake unit for gas masks, characterized in that installed between the exhaust cover and the exhaust cover. The method according to claim 3, The intake valve has a valve body having a valve flow path therein, a valve member rotatably installed in the valve body to open and close the valve flow path of the valve body, and provided to the valve member to operate the valve member to rotate. Including operation lever to do, And the valve member has a valve hole and a communication path, and the valve hole and the communication path can communicate with the valve flow path by the rotation of the valve member. The method according to claim 5, A mounting hole for mounting the intake valve is formed at one side of the exhaust unit, and the exhaust cover corresponding to the mounting hole is provided with a seating groove in which one end of the valve member and the operation lever are seated, and an operation end of the operation lever. Gas intake unit for the gas mask characterized in that it is installed to be exposed to the outside from the exhaust unit and the exhaust cover.

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