KR100414726B1 - Gun of fighting fires - Google Patents

Abstract

The present invention relates to a fire spray gun, comprising a direct nozzle 29 and a spray nozzle 31, the spray nozzle 31 is a direct feed pipe 21 is provided with a direct nozzle (29) A moving tube provided at the distal end of the radial supply pipes 23 and 24 radially spreading around the center, and movable in the front-rear direction with respect to the fixed tube 10 fixed to the spray gun body 10. Radial supply pipes 23 and 24 are housed inside the moving tube 30 by the forward and backward movement of the 20, or radially above and below the linear feed pipe 21 outside the moving tube 30. By expanding the radial feed pipes 23 and 24, the extinguishing water is selectively sprayed through the direct nozzle 29 or the spraying nozzle 31 according to the ignition type or the ignition region, thereby reducing the water consumption during the extinguishing operation. In addition to improving the efficiency of fire fighting operations, Body 30 has a will to enable the fire fighting at night by having a folding lighting (38).

Description

Gun of fighting fires

The present invention relates to a fire spray gun, and more particularly, to a fire spray gun provided with a nozzle in the form of a spray and a nozzle in the spray form to selectively spray the extinguishing water according to the fire extinguishing object.

In general, the fire fighting gun combined with the fire hose has a disadvantage of consuming a large amount of water within a short time because the extinguishing water is simply sprayed in a direct weave form, and there is a problem in that damage caused by water during the suppression occurs.

In addition, the direct digestive water is difficult to cope with various types of ignition, there is a problem that the digestion area is limited.

In addition, there is a problem in that it is difficult to support lighting for the ignition point during fire suppression.

The object of the present invention devised in view of the above-described problems is to provide a fire spray gun to minimize the consumption of water and to reduce the damage caused by water by selectively performing a direct injection and spraying water spraying have.

Another object of the present invention is to provide a fire spray gun for spraying the extinguishing water suitable for the extinguishing target and the extinguishing area by varying the position of the spray nozzle of the spray method.

It is another object of the present invention to provide a fire fighting spray gun equipped with lighting means to be suitable for fire extinguishing work mainly performed at night.

1 is an external perspective view of a fire spray gun according to the present invention.

2 is a cross-sectional view of the fixed tube and the mobile tube of the fire fighting gun according to the present invention.

FIG. 3 is a front view of the fire fighting gun in FIG. 2; FIG.

Figure 4 is a cross-sectional view of the coupling state of the fixed pipe and the mobile pipe of the fire fighting gun according to the present invention.

<Description of Symbols for Main Parts of Drawings>

One ; Spray gun

10; Spray gun body

11; handle

12; Digestion water supply pipe 12a; Fixed Bracket

13; Flow opening and closing valve

20; Fixed body

20a; Regulatory hook 21; Direct supply pipe

22; Radial feed pipes 23,24; Top and bottom radial feed pipe

23a, 24a; Elastic portions 25,26; guide

27,28; Valve handle 29; Direct nozzle

30; Moving body

30a, 30b; Guide rail 30c; Jam

31; Spray nozzles 32; Cylindrical support

33; Support 34; handle

35; Fixed hook 38; Lighting

The present invention for achieving the above object is a handle is formed downward, the handle and the injection gun body is provided with a flow path opening and closing valve; A fixed tube extending toward the front of the spray gun body; A moving tube installed to be movable in front of the fixed tube; A fire extinguishing water supply pipe through which the extinguishing water is supplied through the spray gun body, the fixed tube, and the mobile tube; A direct supply pipe and a plurality of radial supply pipes branched from the digestion water supply pipes; A valve body and a valve body adjusting knob disposed in the middle of the direct supply pipe and the radial supply pipe to open and close the flow path of the supply pipe; It characterized in that it comprises a straight nozzle installed on the front end of the straight feed pipe; and a spray nozzle installed on the front end of the radial feed pipe.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

The spray gun 1 according to the embodiment of the present invention includes a spray gun body 10, a fixed tube body 20 which extends in front of the spray gun body 10 and is integrally formed with the spray gun body 10, and the fixed tube body. It is composed of a moving tube (30) provided to be movable in front of the (20).

Handle 11 is inclined downward in the spray gun body 10, the lower end of the handle 11 is provided with a digestion water supply pipe 12, the middle of the flow path of the digestion water supply pipe 12 A flow path opening / closing valve 13 for opening and closing the valve is provided, and a hose 14 is connected to the digestion water supply pipe 12 so as to be coupled and detached by a coupling 15.

The extinguishing water supply pipe 12 extending from the spray gun body 10 is branched into the direct supply pipe 21 and the radial supply pipe 22 in the fixed tube 20 and extended forwardly. The supply pipe 22 is again branched into an upper injection type feed pipe 23 and a lower injection type feed pipe 24.

The linear feed pipe 21 and the radial feed pipe 22 are provided with a normal ball valve for opening and closing respective flow paths. Each of these ball valves is composed of a ball (not shown) rotatably installed in the supply pipes 21 and 22 and a valve handle for rotating a rotating shaft (not shown) connected to the ball. The valve handle 27 is a valve handle of a direct feed pipe, and 28 is a valve handle of a radial feed pipe.

A direct nozzle 29 is coupled to the front end of the straight supply pipe 21, and spray nozzles are respectively provided at the front ends of the upper and lower radial supply pipes 23 and 24 branched from the radial supply pipe 22. 31) is combined.

The upper and lower portions of the direct nozzle 29 are formed with arc-shaped cutouts 29a so that the upper and lower spray nozzles 31 can be coupled, and the direct nozzle 29 has a large-diameter injection hole ( 29b) is formed, and a plurality of small diameter injection holes 31a are formed in the upper and lower spray nozzles 31.

The upper and lower radial feed pipes 23 and 24 are provided with cylindrical supports 32 inserted into the linear feed pipes 21 so as to radially extend with respect to the rectangular feed pipes, and the cylindrical supports 32 radially. The support 33 is provided, and the upper and lower radial supply pipes 23 and 24 are supported by the support 33. Both ends of the support 33 are hinged so as to be rotatable in the cylindrical support 32 and the upper and lower radial supply pipes 23 and 24.

The upper and lower radial feed pipes 23 and 24 are folded or unfolded by a moving pipe 30, which is an intermediate portion of the upper and lower radial feed pipes 23 and 24, and are flexible to the outside by a predetermined length. Elastic portions 23a and 24a of elastic material are formed to bend. In addition, the guide is guided in the state of being inserted into the upper surface of the upper radial supply pipe 23, the lower surface of the lower radial supply pipe 24 is inserted into the guide rails (30a, 30b) formed on the upper and lower inner peripheral surface of the moving tube (30) 25, 26 are formed in the longitudinal direction.

The direct pipe feed pipe 21 is mounted so as to slide smoothly in the straight pipe feed pipe 21 by being coupled to the moving pipe body 30 by the support rod 41.

The handle 34 is fixed to the lower surface of the moving pipe 30, the shaft 34a of the handle is rotatably installed to protrude into the moving pipe 30, the upper end of the handle shaft (34a) The fixed hook 35 is fixed so that the movable pipe 30 is moved forward by detachably fixing the fixed hook 35 to the fixed bracket 12a formed on the lower surface of the direct feed pipe 21. To be regulated in the state.

The rear end of the moving pipe 30 is formed with a locking protrusion (30c) bent inward, the upper and lower sides of the front end of the fixed tube 20, the restriction hook 20a for regulating the locking protrusion (30c) is supported by a spring It is rotatably installed by the ball flanger (not shown) of a state.

In addition, the upper surface of the movable tube 30 is provided with an illumination lamp 38 on the upper end of the collapsible support 37.

The spraying operation of the fire fighting gun according to the present invention configured as described above is as follows.

When the fire hose 14 is connected to the digestion water supply pipe 12 by the coupling 15 provided at the lower end of the handle 11 of the spray gun body, the extinguishing water is sprayed by pulling the flow path opening and closing valve 13. .

At this time, the injection of the extinguishing water is passed through the direct supply pipe 21 in the state in which the direct valve handle 27 is opened through the extinguishing water supply pipe 12 and the injection hole 29b of the direct nozzle 29. Direct water is sprayed through.

In addition, when the radial valve handle 28 is opened, a plurality of upper and lower spray nozzles 31 pass through the upper and lower radial supply pipes 23 and 24 branched by the water passing through the radial supply pipe 22. It is sprayed in the form of a spray through the injection hole (31a).

In addition, when the direct valve handle 27 and the radial valve handle 28 are opened at the same time, water in the form of a straight water through the direct nozzle 29 and sprayed water through the upper and lower spray nozzles 31 are simultaneously sprayed. Will be.

As described above, the types of extinguishing water sprayed from the spray gun according to the present invention are classified into three types. The first kind of extinguishing water is straight-type, which is named as a full jet type sprayed through a direct nozzle 29. It is a water stream of the type, the second is the extinguishing water sprayed through the spray nozzle (31), a spray type of water called a fog (Fog) type, and lastly a form in which the straight type and the spray type is sprayed at the same time.

When water is sprayed from the spray nozzle 31, the moving tube 30 is moved forward, so that the water is in a state where the upper and lower radial supply pipes 23 and 24 are inserted into the moving tube 30. Although it may be sprayed, as shown in FIG. 1, water is sprayed in a state in which the moving pipe 30 is moved backward.

An operation of moving the moving pipe 30 to the rear is performed by pulling the handle 34 coupled to the moving pipe 30 to the rear so that the elastic parts 23a and 24a of the upper and lower radial supply pipes 23 and 24 are moved. 2 is spread outward by the elastic force, as shown in FIG. 2, while the support 33 is rotated about the hinge axis 32a of the cylindrical support 32, the upper and lower radial supply pipes 23 and 24 are opened and opened. Water is sprayed in a state where the spray nozzle 31 is located above and below the sand nozzle 29. This condition can be extinguished in a wider area of ignition.

In this way, in order to move the moving tube 30 to the rear to rotate the handle 34 to remove the fixed hook 35 provided on the top of the handle shaft (34a) from the fixing bracket (12a) and then the moving tube (30) ) To move rearward, and when the rear end of the moving tube 30 is in contact with the front end of the fixed tube 20, as shown in Figure 4, the locking protrusion (30a) of the mobile tube 30 is fixed tube By locking on the restriction hook 20a of 20, the moving tube 30 is fixed to the fixed tube 20 so that it does not move forward.

When the moving pipe 30 is moved forward again after the completion of fire extinguishing, when the handle 34 is pulled forward, the moving pipe 30 is moved forward to release the restrictive hook 20a in the direction of the arrow. While moving pipe 30 is separated from the fixed pipe 20, the upper and lower radial supply pipes 23, 24 by the movement of the moving pipe 30, the guides 25, 26 are guide rails (30a) ( The upper and lower radial supply pipes 23 and 24 are inserted into the moving tube 30 while being guided to 30b). At this time, the support 33 is folded while rotating the hinges on both sides, the upper, lower radial supply pipes 23 and 24 are inserted into the inside of the moving pipe 30 while being in close contact with the direct supply pipe 21 side.

As described above, the fire spray gun according to the present invention can selectively perform a direct type water spray and a spray type water spray, thereby minimizing water consumption by adjusting the spray type of the extinguishing water sprayed according to the extinguishing object. In addition, it is effective to minimize the damage caused by water at the fire site.

In addition, the present invention has the effect of improving the extinguishing workability by adjusting the spraying direction of the extinguishing water to be sprayed according to the extinguishing target and the extinguishing area by varying the position of the spray-type spray nozzle radially. In addition, the present invention has an effect that the firefighting operation is conveniently provided by the lighting lamp to be suitable for the fire extinguishing work performed mainly at night.

Meanwhile, the present invention is a spray gun applicable to both a high pressure pump of 120 bar and a low pressure pump of 60 bar, and the present invention is not limited to the above-described embodiment, and can be modified as much as possible within the technical spirit of the present invention.

Claims (4)

A handle 11 is formed downward, and the handle 11 includes an injection gun body 10 provided with a flow path opening / closing valve 13; A fixed tube body 20 extending toward the front of the spray gun body 10; A moving tube body 30 movably installed in front of the fixed tube body 20; A fire extinguishing water supply pipe 12 through which the extinguishing water is supplied through the spray gun body 10, the fixed tube 20, and the moving tube 30; A direct supply pipe 21 and a plurality of radial supply pipes 23 and 24 branched from the digestion water supply pipe 12; Valve bodies and valve body adjusting knobs (27) and (28) (28) which are respectively installed in the middle of the direct feed pipe (21) and the radial feed pipes (23) and (24) to open and close the flow path of the supply pipe; A direct nozzle 29 installed at the front end of the linear feed pipe 21; and a spray nozzle 31 installed at the front end of the radial supply pipes 23 and 24. Fire spray gun. The method of claim 1, A handle 34 is rotatably installed on the moving tube 30, and a fixed hook 35 is provided at an upper end of the handle 34, and the fixed hook 35 is provided at a front end of the linear feed pipe 21. ) Is fixed to the fixing bracket (12a) is installed, A locking hook 30c is formed at a rear end of the movable tubular body 30, and a restricting hook 20a supported in the direction of fixing the locking protrusion 30c is formed at a front end of the fixed tubular body 20 corresponding thereto. Fire spray gun, characterized in that provided. The method of claim 1, The cylindrical support pipe 21 is fixed to the cylindrical support 32, one end of the cylindrical support 32 is hinged to the cylindrical support, the other end is the outer peripheral surface of the radial supply pipe (23, 24) Is provided with a plurality of supports 33 hinged, Fire spray gun, characterized in that the outer peripheral surface of the radial supply pipes 23, 24 formed with guides 25, 26 inserted into the guide rails (30a, 30b) formed on the inner peripheral surface of the moving tube (30) . The method of claim 3, wherein In the middle portion of the upper and lower radial supply pipes 23 and 24, the radial nozzle 31, which is the tip of the radial supply pipes 23 and 24, is radially unfolded when exposed to the outside of the moving tube 30. Fire spray gun, characterized in that the elastic portion (23a) (24a) having an elasticity to the outside.