TWI564051B - Drinking unit for gas mask - Google Patents

Description

Respiratory mask with water intake unit

The present invention relates to a water intake unit for a gas mask, and more particularly, in a state in which a gas mask is worn, the wearer can extract water very easily, prevent contact of the wearer's crotch portion, and can improve the ease of use.

It is well known that gas masks are used to protect the human body by wearing toxic gases that are worn on the wearer's face to avoid contaminated areas. This anti-virus mask supplies purified air to the wearer's respirator through a purification cartridge incorporated in the mask. Therefore, the wearer is able to move completely in the contaminated area.

The gas mask has a see-through window at an upper portion of the airtight face portion, an air tank or a purifying cylinder at the side, and an exhaust unit having an exhaust valve at a lower central portion, and the exhaust cap is detachably attached to the exhaust unit. Further, a water intake unit is provided on one side adjacent to the exhaust unit to allow the wearer to extract water.

In addition, the applicant of the present invention has registered the water intake unit for the anti-virus mask installed in the gas mask as shown in Fig. 1 (Registration No. 486891, the water intake joint structure of the gas mask), hereinafter referred to as "patent literature" 1"). According to the water take-up unit 10 of Patent Document 1, as shown in Fig. 1, it is vertically attached to the lower portion of the gas mask GM provided with the exhaust unit 21, and is connected to the lower end of the cap 7 by the connection pipe 9, and is connected. The tube 9 supplies water in a water tub (not shown) to the inside of the gas mask GM. Such a conventional water intake unit 10 can shield the lower end with the cap 7 when the connecting pipe 9 is detached.

However, the water intake unit 10 according to Patent Document 1 can be fixed to the gas mask GM only by the assembly of the inner fixing ring and the step of the outer casing, and thus the manufacturing procedure or assembly procedure is not convenient.

In addition, as shown in FIG. 1, the water intake unit 10 of the patent document 1 is attached to the lower end of the gas mask GM, and it is inconvenient to connect the connection tube 9 in a state in which the gas mask GM is worn, and It is too convenient to confirm exactly whether the connecting pipe 9 is properly connected.

Further, since the water intake unit 10 of Patent Document 1 is vertically mounted inside the gas mask GM, the internal accommodating space of the gas mask GM that accommodates the wearer's face is reduced, and the nose of the wearer is frequently contacted or Crotch.

Therefore, the applicant of the present invention has registered with the Korean Patent Office a water intake unit for a gas mask that is detachably attached to a gas mask as shown in Fig. 2 (Registration No. 0941018, a water intake unit of a gas mask, hereinafter referred to as a "patent" Document 2"). According to the water intake unit of Patent Document 2, as shown in Fig. 2, there is: a water intake pipe 50 connected to the gas mask GM; a water intake valve 60 connected to the water intake pipe 50; and a valve sleeve 72 formed in a horizontal direction in the gas mask The lower end of the GM. The water pipe 50 is wound around the outer peripheral surface of the exhaust unit 21, and the valve sleeve 72 is integrally formed to the lower end of the gas mask GM when the gas mask GM is formed, and the valve sleeve 72 is formed into a circular groove structure in a part of the gas mask GM, so that the water intake valve 60 tight fit.

However, according to the water intake unit of Patent Document 2, since the valve sleeve 72 is formed to protrude to the inner side of the gas mask GM, the inner space of the gas mask can not be secured, and the wearability of the wearer can be reduced. The user's ankle or nose may contact the valve sleeve 72 to cause a wearer's foreign body sensation, which reduces the ease of use.

The present invention has been made to solve the above-described problems of the prior art, and an object of the present invention is to provide a water intake unit for a gas mask, which is suitable for detachably attaching a water intake connector and a water intake pipe to an exhaust unit combined with an exhaust unit. The structure of the cover fully ensures the internal accommodating space of the gas mask, improves the wearing of the gas mask, and prevents the wearer's nose or sputum from contacting, thereby improving the convenience of use.

The present invention for achieving the object described above is a water intake unit for a gas mask that is provided adjacent to an exhaust unit in which a vent cover is detachably attached, and includes a water intake pipe that passes through the exhaust unit and is exhausted to the exhaust unit. The inner and outer portions of the unit are extended; a connector is disposed at an end of the water intake pipe; and the sleeve portion is integrally formed to the exhaust cover in a downwardly protruding manner, and has a joint space for detachably coupling the connector.

The sleeve portion integrally forms a frictional area formed by the slit at its side wall a reducing portion, one side outer peripheral surface of the connector forms a hook groove, and a hook protrusion is formed on the friction area reducing portion protrudingly to the joint space, and the hook protruding hook of the friction area reducing portion is coupled to the hook groove of the connector .

One side of the connector is integrally provided with a handle portion, and the connector can be more easily detached from the sleeve portion by holding the handle portion.

The water intake pipe has an inner water pipe connected to the inner side of the exhaust unit, and an outer water pipe connected to the outer side of the exhaust unit.

The inner water collecting pipe and the outer water collecting pipe are detachably connected to a water intake valve for controlling the flow of water, and the water collecting valve is sandwiched between the inner water collecting pipe and the outer water collecting pipe.

The water intake valve is concealed between the exhaust unit and the exhaust cover.

The water intake valve includes: a valve body having a valve flow path therein; a valve member rotatably disposed in the valve body to open and close the valve flow path of the valve body; and an operation lever disposed at one end of the valve member to be operated by The valve member rotates.

The valve member has a valve hole and a sparse passage, and the valve hole and the sparse passage can be unblocked with the valve flow path by the rotation of the valve member.

One side of the exhaust unit forms a mounting hole for mounting the water intake valve, and a side edge of the exhaust cover corresponding to the mounting hole forms an end for arranging the valve member and a mounting groove for operating the lever, the operating lever The operation end portion is provided to be exposed to the outside from the edge of the exhaust unit and the exhaust cover.

The pair of stopper portions are adjacent to the seating groove to restrict the rotation angle of the operation lever, so that the operation of the operation lever and the opening and closing operation of the water intake valve can be performed more smoothly.

a reel having a winding groove for winding the outer water collecting pipe integrally formed on the exhaust unit, the edge portion of the exhaust cover concealing a winding groove of the exhaust unit, the cross section of the winding groove being formed to correspond to The cross section of the outer water pipe is arcuate.

According to the present invention, since the sleeve portion accommodating the contact connector is formed to protrude downwardly to the lower portion of the vent cover, the space for placing the gas mask can be sufficiently ensured, and the nose or the nose of the wearer can be prevented from wearing the gas mask. Such contact can greatly enhance the ease of use of the wearer.

According to the present invention, after the connector is easily inserted into the sleeve portion by the friction reducing portion, the hook groove hook of the connector is coupled to the hook projection, and the binding can be surely prevented. The connector of the space is detached due to any external force.

According to the present invention, since the inner water pipe and the outer water pipe are detachably connected to the water intake valve, the assembly of the water pipe is very simple, and in particular, the water intake valve is concealed between the exhaust unit and the exhaust cover. Can greatly improve the aesthetic appearance.

According to the present invention, the opening and closing of the water intake valve is realized by the valve member that rotates with respect to the valve body, so that the opening and closing operation of the water intake valve is very simple, and the operation convenience thereof is greatly improved.

According to the present invention, the operation end portion of the operation lever that operates the valve member is exposed to the outside from the edge of the exhaust unit and the exhaust cover, so that the rotation operation of the valve member can be performed more easily and stably, and the exposure of the water intake valve can be minimized. Can greatly improve the aesthetic appearance.

According to the present invention, since the outer water collecting pipe is wound around the winding groove of the spool, the outer water collecting pipe can be stably stored, and damage and damage due to the flow of the outer water collecting pipe can be prevented.

According to the present invention, since the cross section of the winding groove is formed in an arc shape, the state in which the outer water collecting pipe is wound around the winding groove can be stably maintained, and the outward disengagement can be effectively prevented.

"Symbol Description of the Invention"

10‧‧‧ water intake unit

11‧‧‧Water pipes

11a‧‧‧Inside water pipe

11b‧‧‧Outer water pipe

2‧‧‧ Perspective window

20‧‧‧Connector

24‧‧‧ hook slot

25‧‧‧ protruding mouth

28‧‧‧Hands

3‧‧‧purification cartridge

30‧‧‧ Sets

31‧‧‧Combined space

32‧‧‧ Friction area reduction department

33‧‧‧ slitting

34‧‧‧Hook bulge

35‧‧‧ Connecting ribs

40‧‧‧Water valve

41‧‧‧ valve body

41a‧‧‧Valve flow path

41c‧‧‧1st sealing bulge

41d‧‧‧2nd sealing bulge

42‧‧‧Valve parts

42a‧‧‧ valve hole

42b‧‧‧Sparse channel

43‧‧‧Operation lever

46‧‧‧1st connection protrusion

47‧‧‧2nd connection protrusion

50‧‧‧Exhaust unit

52‧‧‧Installation holes

55‧‧‧Exhaust cover

55a, 56b‧‧‧ edge

56‧‧‧Place slot

56a, 56b‧‧‧ Limiter

60‧‧‧ reel

61‧‧‧ winding groove

GM‧‧ ‧ anti-virus mask

Symbolic Description of Traditional Technology

10‧‧‧Water intake unit

21‧‧‧Exhaust unit

50‧‧‧ water pipe

60‧‧‧Water valve

7‧‧‧ Cap

72‧‧‧ valve sleeve

9‧‧‧Connecting tube

GM‧‧ ‧ anti-virus mask

1 is a view illustrating a water intake unit for a gas mask according to a prior art according to an example; FIG. 2 is a view illustrating a water intake unit for a gas mask according to another example of the prior art; FIG. 3 is a view illustrating installation 3 is a perspective view of a gas mask for a gas mask according to an embodiment of the present invention; and FIG. 4 is a perspective view showing a water intake unit for a gas mask according to an embodiment of the present invention; and FIG. 5 is an arrow A from FIG. 3 is a perspective view showing a water intake unit for a gas mask according to the present invention; and FIG. 7 is a front view showing a water intake unit for a gas mask according to the present invention; Figure 8 is a cross-sectional view taken along line BB of Figure 7, Figure 9 is a cross-sectional view taken along line CC of Figure 7, and Figure 10 is the inside of the sleeve viewed from the direction of arrow D in Figure 8. Figure 11 and Figure 11 are cross-sectional views taken along line EE of Figure 10.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. As a reference For the sake of easy understanding, the illustration may be exaggerated to illustrate the size of the constituent elements, the thickness of the lines, and the like in the drawings referred to in the present invention. Further, the terms used in the description of the present invention are defined in consideration of their functions in the present invention, and may differ depending on the intention of the user, the user, and the convention. Therefore, the definition of these terms should be based on the overall content of this specification.

3 to 11 are views showing a water take-out unit for a gas mask according to an embodiment of the present invention.

As shown, the water intake unit 10 for a gas mask according to the present invention includes: a water intake pipe 11 that is disposed through an exhaust unit 50 of the gas mask GM; a connector 20 that is disposed at an end of the water intake pipe 11; and a sleeve portion 30, The connector 20 is detachably housed integrally with the exhaust cover 55 that is detachably attached to the exhaust unit 50.

The upper portion of the gas mask GM has a see-through window 2, and an air tank or a purifying cylinder 3 is provided on the side thereof, and an exhaust unit 50 having an exhaust valve 51 such as a check valve is provided at a lower portion of the see-through window 2. Further, the exhaust cover 55 is detachably attached to the front surface of the exhaust unit 50 by a joint or the like.

In particular, since the water receiving unit 10 for a gas mask according to the present invention is detachably attached to the exhaust unit 50 and the exhaust cover 55, the process of assembling the water take-up unit 10 to the gas mask GM can be omitted, and the water take-out unit can be omitted. The components used for fixing to the gas mask GM 10 can easily fix the water intake unit 10 to the gas mask GM.

The water intake pipe 11 extends through the exhaust unit 50 and extends to the inside and the outside of the exhaust unit 50. In particular, the water intake pipe 11 shown in FIGS. 4 to 6 includes an inner water intake pipe 11a extending toward the inner side of the exhaust unit 50. The outer water discharge pipe 11b connected to the outer side of the exhaust unit 50, the inner water discharge pipe 11a and the outer water discharge pipe 11b are detachably connected to the water intake valve 40, and the water intake flow of the water can be controlled according to the opening and closing of the water intake valve 40.

The water intake valve 40 is provided between the inner water collecting pipe 11a and the outer water collecting pipe 11b. In particular, the inner water collecting pipe 11a and the outer water collecting pipe 11b are formed of an elastic hose such as rubber, and can be watertightly connected to the water intake valve 40.

Further, the water intake valve 40 as shown in FIGS. 5 and 6 is concealed between the exhaust unit 50 and the exhaust cover 55.

As described above, the present invention is constituted by the structure in which the inner water intake pipe 11a and the outer water discharge pipe 11b are assembled to the water intake valve 40, so that the assembly structure of the water intake pipe 11 is very simple, and in particular, the water intake valve is concealedly disposed to the exhaust unit and the exhaust cover. Between, which greatly enhances the aesthetic appearance.

According to an embodiment, the water intake valve shown in FIGS. 8 and 9 includes a valve body 41 having a valve flow path 41a therein, and a valve member 42 rotatably provided in the valve body 41 to open and close the valve body 41. The valve flow path 41a and the operation lever 43 are provided at one end of the valve member 42 to rotate the valve member 42 by operation.

The valve body 41 is constituted by a cylindrical structure having a hollow portion, and one side of the valve body 41 forms a first connection protruding portion 46. The valve connecting passage 41a is formed inside the first connecting protruding portion 46, and one end of the outer water collecting pipe 11b is airtightly connected to the first connecting protruding portion 46 of the valve body 41, so that the water supplied through the outer water collecting pipe 11b flows into the valve body 41. In the valve flow path 41a.

The valve member 42 is formed of a cylindrical structure and is rotatably provided to the inner diameter surface of the valve body 41. A valve hole 42a is formed on one outer peripheral surface of the valve member 42, and the valve hole 42a is formed on one outer peripheral surface of the valve member 42 that can be separated from the valve flow path 41a of the valve body 41 by the rotation of the valve member 42.

Further, the dissipating passage 42b that is in contact with the valve hole 42a is formed inside the valve member 42 in the longitudinal direction, and the second connecting projection 47 that protrudes toward the inside of the exhaust unit 50 is formed on one side of the valve member 42. One end of the inner water intake pipe 11a is airtightly connected to the second connection protruding portion 47, and water supplied through the sparse passage 42b of the valve member 42 flows into the inner water discharge pipe 11a.

As described above, the present invention realizes the opening and closing of the water intake valve 40 by the valve member 42 that rotates with respect to the valve body 41, and the opening and closing operation of the water intake valve 40 can be performed very easily, thereby greatly improving the ease of operation.

Further, as shown in FIGS. 8 and 9, a side of the exhaust unit 50 forms a mounting hole 52 for mounting the water intake valve 40, and a side edge of the exhaust cover 55 corresponding to the mounting hole 52 is formed for the valve. One end of the member 42 and a seating groove 56 of the operating lever 43.

One end of the operating lever 43 is connected to one end of the valve member 42 to be concealed between the exhaust unit 50 and the exhaust cover 55, and the other end of the operating lever 43 is provided with an operating end portion that the user can grip. As shown in FIGS. 5 to 7 , the operation end portion of the operation lever 43 is exposed to the outside of the exhaust unit 50 and the exhaust cover 55, and a pair of stopper portions 56a are formed adjacent to the seating groove 56. 56b, the rotation angle of the operation lever 43 can be limited to a certain range according to the limiter portions 56a, 56b.

As described above, the operation end portion of the operation lever 43 of the operation valve member 42 is provided to be exposed to the outside from the exhaust unit 50 and the exhaust cover 55, so that the rotation operation of the valve member 42 can be performed more easily and stably, while being minimized The outside of the water intake valve 40 is exposed, which greatly enhances the appearance of the beauty sense.

As shown in the enlarged view of Fig. 8, the first sealing projection 41c protrudes in the inner diameter direction and closely contacts the groove portion of the valve member 42 on the outer diameter surface of the valve body 41. The second seal projection 41d protrudes in the outer diameter direction and closely contacts the groove portion of the attachment hole 52 in an airtight manner. According to the first and second seal projections 41c and 41d, the sealing property of the valve body 41 can be ensured between the valve member 42 and the attachment hole 52, and leakage of water can be prevented. According to an alternative embodiment, the seal rings may be provided on the inner diameter surface and the outer diameter surface of the valve body 41 instead of the first and second seal projections 41c and 41d to ensure the sealing property.

The connector 20 is provided at the end of the water intake pipe 11, particularly the outer water discharge pipe 11b. This connector 20 is connected to a water pipe connection pipe (not shown) to extract water from the water pipe through the water discharge pipe 11. Further, a check valve can be built in the inside of the connector 20 to prevent water from flowing back to the water cylinder.

At one end of the connector 20, the connection projection 25 protrudes outward, and the end of the water discharge pipe 11, particularly the outer water discharge pipe 11b, is sealingly connected to the connection projection 25 of the connector 20.

The sleeve portion 30 is formed horizontally or vertically to the exhaust cover 55 or the exhaust unit 50, and the connector 20 is detachably coupled to the sleeve portion 30.

According to an embodiment, the sleeve portion 30 is provided to protrude downwardly from the lower portion of the exhaust cover 55, and in particular, the sleeve portion 30 is formed to pass from the exhaust cover 55 by one or more connecting ribs 35 extending from the lower end of the exhaust cover 55. The lower part stands out. Further, the sleeve portion 30 and the connecting rib 35 are integrally formed when the vent cover 55 is molded.

The inside of the sleeve portion 30 forms a joint space 31 which is formed corresponding to the outer shape of the connector 20. Therefore, the connector 20 is detachably fitted into the joint space 31 coupled to the sleeve portion 30.

As described above, since the sleeve portion 30 detachably coupled to the contact connector 20 is formed to protrude downward from the lower portion of the vent cover 55, the space for the gas mask can be sufficiently secured, and the gas mask can be prevented from being worn when the gas mask is worn. The contact of the wearer's crotch can greatly improve the ease of use of the wearer.

Further, the side wall of the sleeve portion 30 is integrally formed with a friction reducing portion 32 composed of a slit 63 of a predetermined shape, and when the connector 20 to be described later is inserted into the sleeve portion 30, the friction reducing portion 32 can be reduced in connection. The friction area of the pair of parts 20 to the sleeve portion 30. Therefore, the connector 20 can be easily inserted into the inside of the sleeve portion 30.

Such a slit 63 as exemplified in Fig. 10 can be formed into a "匚" shape, "U" A plurality of shapes, such as a zigzag shape and a circular arc shape, partially form a slit 63 along the outer peripheral surface of one side of the connector 20, and a friction reducing portion 32 is formed.

On one outer peripheral surface of the connector 20, the hook groove 24 is extended in the circumferential direction, and the hook projection 34 is formed at the end of the friction reducing portion 32 so as to protrude toward the joint space 31. Therefore, if the connector 20 is inserted into the joint space 31 of the sleeve portion 30, the hook projection 34 of the friction reducing portion 32 is hooked to the hook groove 24 of the connector 20, so that the connector 20 can be surely prevented from being in the joint space 31. Any external force and easy to fall off.

Further, the handle portion 28 is integrally provided on one side of the connector 20, and the connector 20 can be detached from the sleeve portion 30 more easily by gripping the handle portion 28.

Further, the vent cover 55 is made of a lightweight material such as plastic, and the joint space 31 of the sleeve portion 30 can be more precisely and easily molded, and the attachment and detachment of the connector 20 of the joint space 31 of the sleeve portion 30 can be facilitated.

A spool 60 for winding the winding groove 61 of the outer water intake pipe 11b is provided to be integrally formed at the front edge of the exhaust unit 50. As described above, the outer water collecting pipe 11b is wound around the winding groove 61 of the spool 60, whereby the outer water collecting pipe 11b can be stably stored, and damage and damage due to the flow of the outer water collecting pipe 11b can be prevented.

Further, as shown in an enlarged view of Fig. 9, the cross section of the winding groove 61 is formed in an arc shape corresponding to the cross section of the outer water discharge pipe 11b. Also, the edge 55a of the exhaust cover 55 of the corresponding reel 60 is arranged to partially conceal the winding groove 61 of the reel 60, whereby the concealing of the portion of the outer water discharge pipe 11b wound around the winding groove 61 becomes easy.

As described above, according to the present invention, the cross section of the winding groove 61 is formed in an arc shape, and the state in which the outer water collecting pipe 11b is wound around the winding groove 61 can be stably maintained, thereby effectively preventing the outer side from being detached.

The embodiments of the present invention have been described above, but the present invention is not limited to the embodiments and the drawings disclosed in the present specification, and various modifications can be made by those skilled in the art without departing from the scope of the technical idea of the present invention. .

30‧‧‧ Sets

32‧‧‧ Friction area reduction department

33‧‧‧ slitting

35‧‧‧ Connecting ribs

Claims (5)

A water intake unit for a gas mask, which is a water intake unit for a gas mask that is disposed adjacent to an exhaust unit to which a vent cover is detachably attached, and includes a water intake pipe that extends through the exhaust unit to extend inside and outside the exhaust unit a connector disposed at an end of the water intake pipe; and a sleeve portion integrally formed on the exhaust cover, having a joint space for detachably coupling the connector; the sleeve portion being formed at a side wall thereof and a slit The friction reducing portion is integrally formed, and one outer peripheral surface of the connector forms a hook groove, and a hook projection is formed on the friction reducing portion toward the joint space, and the hook projection hook of the friction reducing portion is coupled to The hook slot of the connector. The water intake unit for a gas mask according to claim 1, wherein the water intake pipe has an inner water pipe connected to an inner side of the exhaust unit, and an outer water pipe connected to an outer side of the exhaust unit. The inner water collecting pipe and the outer water collecting pipe are detachably connected to a water intake valve for restricting the flow of the drinking water, and the water collecting valve is sandwiched between the inner water collecting pipe and the outer water collecting pipe. The water intake unit for a gas mask according to the second aspect of the invention, wherein the water intake valve is concealed between the exhaust unit and the exhaust cover. A water intake unit for a gas mask, which is a water intake unit for a gas mask that is disposed adjacent to an exhaust unit to which a vent cover is detachably attached, and includes a water intake pipe that extends through the exhaust unit to extend inside and outside the exhaust unit a connector disposed at an end of the water intake pipe; and a sleeve portion integrally formed on the exhaust cover, having a joint space for detachably coupling the connector; the water intake pipe having: an inner water pipe connected to An inner side of the exhaust unit; an outer water pipe connected to an outer side of the exhaust unit, the inner water pipe and the outer water pipe being detachably connected to a water intake valve for restricting the flow of the drinking water, wherein the water intake valve is clamped Between the inner water pipe and the outer water pipe; the water intake valve includes: a valve body having a valve flow path therein; a valve member rotatably disposed in the valve body to open and close the valve flow path of the valve body; and an operating lever , disposed on the valve component The valve member is rotated by operation, and the valve member has a valve hole and a sparse passage, and the valve hole and the sparse passage can be unblocked with the valve flow passage by the rotation of the valve member. The water intake unit for a gas mask according to claim 4, wherein one side of the exhaust unit forms a mounting hole for mounting the water intake valve, and the exhaust cover corresponding to the mounting hole is formed for mounting One end of the valve member and a seating groove of the operating lever, the operating end of the operating lever is disposed to be exposed outward from the exhaust unit and the exhaust cover.