Fire-fighting lance

Abstract

The invention discloses a fire-fighting water gun, and relates to the technical field of fire-fighting equipment, the fire-fighting water gun comprises a water gun main body, the bottom of the water gun main body is provided with a first support assembly, the top of the water gun main body is provided with a mounting cover, and one end of the water gun main body is provided with a first butt joint female head assembly; a first fixing assembly is installed on the top of the first butt joint female head assembly, a first butt joint male head assembly is installed on one side of the first butt joint female head assembly, and a water spraying gun head is installed on one side of the first butt joint male head assembly. According to the fire-fighting lance, the water spraying lance head is adopted, when the fire-fighting lance is used, sprayed water can well cover the bottom of a new energy vehicle, and the cooling effect on a battery at the bottom of the vehicle is improved; according to the fire-fighting lance, the lance body is adopted, when the fire-fighting lance is used, water is sprayed out through the circular spray holes distributed in the hemispherical shell in the arc shape, surrounding air can be cooled, and a user can get close to an ignition point to extinguish fire.

Description

Technical Field

[0001] The invention relates to the technical field of fire fighting equipment, in particular to a fire fighting water gun. Background Art

[0002] Firefighting equipment refers to various equipment and devices used to prevent, control and extinguish fires. They play a vital role in protecting life and property when a fire occurs;

[0003] A fire hose is a device used to extinguish fires. It is usually connected to a fire truck or fire hose and can spray water to extinguish flames. The design and function of a fire hose helps to efficiently control the fire at the scene of the fire.

[0004] Current:

[0005] 1. The existing ordinary fire hoses generally directly connect the gun head to the water hose. When a new energy vehicle battery catches fire, most of the water sprayed from the gun head cannot directly contact the bottom of the vehicle, and cannot effectively cool down the battery under the vehicle;

[0006] 2. When using the existing ordinary fire hose, due to the high calorific value of the battery pack, the heat radiation generated by the combustion is transmitted outward through the air, making it impossible for firefighters to use the fire hose to put out the fire close to the fire point, thus affecting the fire extinguishing effect. Summary of the invention

[0007] In view of the deficiencies in the prior art, the present invention provides a fire hose nozzle that solves the problems raised in the above background technology.

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a fire-fighting water gun, comprising a water gun body, a first supporting assembly is installed at the bottom of the water gun body, a mounting cover is installed at the top of the water gun body, a first docking female head assembly is installed at one end of the water gun body, a first fixing assembly is installed at the top of the first docking female head assembly, a first docking male head assembly is installed at one side of the first docking female head assembly, a water spray gun head is installed at one side of the first docking male head assembly, a second supporting assembly is installed at the bottom of the water spray gun head, a second docking male head assembly is installed at the other end of the water gun body, a second docking female head assembly is installed at one side of the second docking male head assembly, a second fixing assembly is installed at the top of the second docking female head assembly, and a water inlet pipe is installed at one side of the second docking female head assembly.

[0009] The first docking female head assembly comprises a docking shell, and an L-shaped arc-shaped mounting block is installed on the inner wall of the docking shell.

[0010] The first fixing component comprises an L-shaped frame, a plunger is slidably installed on the top of the L-shaped frame, a limit block is installed on the outer wall of the plunger, a spring is installed on the top of the limit block, and a shift rod is installed on the top of the plunger.

[0011] The first docking male head assembly includes an annular block, one side of which is installed with a first high temperature resistant sealing ring, a mounting ring and an L-shaped arc plug-in block, one side of which is installed with a second high temperature resistant sealing ring, and an outer wall of the annular block is installed with a fixing block.

[0012] Optionally, the water gun body includes a mounting tube, a valve is installed at one end of the mounting tube, a connecting tube is installed at one end of the valve, a water outlet pipe is installed on the outer wall of the mounting tube, a hemispherical shell is installed on the top of the water outlet pipe, and the outer wall of the hemispherical shell is provided with a plurality of circular spray holes distributed in an arc shape.

[0013] Optionally, the first supporting assembly includes a transverse plate installed at the bottom of the mounting tube, a sliding plate is installed at the bottom of the transverse plate, the transverse plates are symmetrically distributed about the vertical center line of the sliding plate, and the sliding plates are distributed at the bottom layer about the vertical center line of the transverse plate, and both ends of the sliding plate are set to be arc-shaped.

[0014] Optionally, the mounting cover is threadedly mounted on the outer wall of the water outlet pipe, and the internal dimension structure of the mounting cover is consistent with the external dimension structure of the hemispherical shell.

[0015] Optionally, one side of the docking shell is connected to the mounting tube, one side of the annular block is connected to the water spray gun head, two L-shaped arc-shaped mounting blocks are provided, and the two L-shaped arc-shaped mounting blocks are distributed in a ring shape with the horizontal center line of the docking shell as the origin, and two L-shaped arc-shaped plug-in blocks are provided, and the two L-shaped arc-shaped plug-in blocks are distributed in a ring shape with the horizontal center line of the annular block as the origin, and the internal size structure of the L-shaped arc-shaped mounting block is consistent with the external structure of the L-shaped arc-shaped plug-in block.

[0016] Optionally, the annular block forms a sealing structure with the docking shell through a first high-temperature resistant sealing ring, and the mounting ring forms a sealing structure with the docking shell through a second high-temperature resistant sealing ring.

[0017] Optionally, the L-shaped frame is installed on the top of the outer wall of the docking shell, the top of the spring is connected to the top of the inner wall of the L-shaped frame, and the top of the fixing block is provided with a rectangular hole whose internal size structure is consistent with the outer wall size structure of the insertion rod.

[0018] Optionally, both the bottom of the insertion rod and the top of the fixing block are provided with inclined surfaces.

[0019] Optionally, the size structure of the first docking female component is consistent with that of the second docking female component, the size structure of the first docking male component is consistent with that of the second docking male component, and the size structure of the first fixing component is consistent with that of the second fixing component.

[0020] Optionally, a plurality of circular holes of different sizes and inclination angles are provided on the top of the water spray gun head.

[0021] The present invention provides a fire-fighting water gun, which has the following beneficial effects:

[0022] The fire hose gun, through the water spray gun head, when using the fire hose gun, when water is sprayed through a plurality of circular holes of different sizes and different inclination angles on the water spray gun head, the water spraying coverage range is improved, and the sprayed water can better cover the bottom of the new energy vehicle, cool the battery under the vehicle, and improve the cooling effect.

[0023] The fire-fighting water gun, through the water gun body, when using the fire-fighting water gun, open the installation cover installed on the water outlet pipe, when water enters the installation pipe through the connecting pipe, part of the water enters the water outlet pipe, and then is sprayed out through a plurality of circular spray holes distributed in an arc shape on the hemispherical shell. The water sprayed in a fan shape can cool the surrounding air, so that the high temperature cannot directly affect the user, so that the user can get close to the fire point and place the water spray gun head on the fire point to extinguish the fire.

[0024] The fire-fighting water gun is provided with a first supporting assembly and a second supporting assembly. When the fire-fighting water gun is used, the structures of the first supporting assembly and the second supporting assembly are consistent. The fire-fighting water gun is placed on the ground, and the first supporting assembly and the second supporting assembly are in contact with the ground, so that the water spraying surface of the water spray gun head faces upward to open the valve, and the water spray gun head is pushed. The first supporting assembly and the second supporting assembly slide on the ground, so that the water spray gun head can be pushed close to the fire point to cool down and extinguish the fire in narrow places such as the bottom of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the main structure of the invention;

[0026] Figure 2 For the invention Figure 1 A is an enlarged structural diagram;

[0027] Figure 3 For the invention Figure 1 The enlarged structural diagram at B in FIG.

[0028] Figure 4 It is a schematic diagram of the main structure of the water gun in the invention;

[0029] Figure 5 It is a schematic diagram of the structure of the first supporting assembly in the invention;

[0030] Figure 6 It is a schematic diagram of the installation cover structure in the invention;

[0031] Figure 7 It is a schematic diagram of the structure of the first docking female head assembly in the invention;

[0032] Figure 8 It is a schematic diagram of the structure of the first fixing component in the invention;

[0033] Fig. 9 It is a schematic diagram of the structure of the first docking male head assembly in the invention;

[0034] Fig.10 It is a schematic diagram of the gun head structure in the invention.

[0035] In the figure: 1. water gun body; 101. mounting pipe; 102. valve; 103. connecting pipe; 104. water outlet pipe; 105. hemispherical shell; 2. first supporting assembly; 201. horizontal plate; 202. slide plate; 3. mounting cover; 4. first docking female assembly; 401. docking shell; 402. L-shaped arc mounting block; 5. first fixing assembly; 501. L-shaped frame; 502. plug rod; 503. limit block; 504. spring; 505. lever; 6. first docking male assembly; 601. annular block; 602. first high temperature resistant sealing ring; 603. mounting ring; 604. L-shaped arc plug block; 605. second high temperature resistant sealing ring; 606. fixing block; 7. water spray gun head; 8. second supporting assembly; 9. second docking male assembly; 10. second docking female assembly; 11. second fixing assembly; 12. water inlet pipe. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0037] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] See also Figures 1 to 10 The present invention provides a technical solution: a fire-fighting water gun, comprising a water gun body 1, a first supporting assembly 2 is installed at the bottom of the water gun body 1, a mounting cover 3 is installed at the top of the water gun body 1, a first docking female head assembly 4 is installed at one end of the water gun body 1, a first fixing assembly 5 is installed at the top of the first docking female head assembly 4, a first docking male head assembly 6 is installed at one side of the first docking female head assembly 4, a water spray gun head 7 is installed at one side of the first docking male head assembly 6, a second supporting assembly 8 is installed at the bottom of the water spray gun head 7, a second docking male head assembly 9 is installed at the other end of the water gun body 1, a second docking female head assembly 10 is installed at one side of the second docking male head assembly 9, a second fixing assembly 11 is installed at the top of the second docking female head assembly 10, and a water inlet pipe 12 is installed at one side of the second docking female head assembly 10.

[0040] The first docking female connector assembly 4 comprises a docking shell 401 , and an L-shaped arc-shaped mounting block 402 is mounted on the inner wall of the docking shell 401 .

[0041] The first fixing assembly 5 comprises an L-shaped frame 501 , a plug rod 502 is slidably installed on the top of the L-shaped frame 501 , a limit block 503 is installed on the outer wall of the plug rod 502 , a spring 504 is installed on the top of the limit block 503 , and a lever 505 is installed on the top of the plug rod 502 .

[0042] The first docking male head assembly 6 includes an annular block 601 , one side of which is installed with a first high temperature resistant sealing ring 602 , a mounting ring 603 and an L-shaped arc plug block 604 , one side of the mounting ring 603 is installed with a second high temperature resistant sealing ring 605 , and the outer wall of the annular block 601 is installed with a fixing block 606 .

[0043] In this embodiment, Figure 4As shown, the water gun body 1 includes a mounting tube 101, a valve 102 is installed at one end of the mounting tube 101, a connecting tube 103 is installed at one end of the valve 102, a water outlet pipe 104 is installed on the outer wall of the mounting tube 101, a hemispherical shell 105 is installed on the top of the water outlet pipe 104, and the outer wall of the hemispherical shell 105 is provided with a plurality of circular spray holes distributed in an arc shape; when the valve 102 is opened, water enters the mounting tube 101 through the connecting tube 103, and then part of the water enters the water spray gun head 7, and then the water is sprayed out from the water spray gun head 7, and part of the water enters the water outlet pipe 104, and then the water is sprayed out through a plurality of circular spray holes distributed in an arc shape on the hemispherical shell 105. The water sprayed in a fan shape can cool the surrounding area, which is convenient for the user to approach the ignition point and place the water spray gun head 7 at the ignition point.

[0044] In this embodiment, Figure 4 and Figure 5 As shown, the first support assembly 2 includes a transverse plate 201 installed at the bottom of the mounting tube 101, and a slide plate 202 is installed at the bottom of the transverse plate 201. The transverse plates 201 are symmetrically distributed about the vertical center line of the slide plate 202, and the slide plates 202 are distributed at the bottom about the vertical center line of the transverse plate 201, and both ends of the slide plate 202 are set to be arc-shaped; when the fire hose is brought close to the fire point, the fire hose can be placed on the ground, and the first support assembly 2 can be supported so that the water spraying surface of the water spray gun head 7 faces upward, and then the fire hose is pushed, and the first support assembly 2 slides on the ground, which facilitates pushing the fire hose close to the fire point.

[0045] In this embodiment, Figure 4 and Figure 6 As shown, the mounting cover 3 is threadedly mounted on the outer wall of the water outlet pipe 104, and the internal dimension structure of the mounting cover 3 is consistent with the external dimension structure of the hemispherical shell 105; when the hemispherical shell 105 is not needed to spray water, when the mounting cover 3 is installed on the water outlet pipe 104, the hemispherical groove in the mounting cover 3 can cover the hemispherical shell 105.

[0046] In this embodiment, Figure 4 , Figure 7 and Fig. 9As shown, one side of the docking shell 401 is connected to the mounting tube 101, one side of the annular block 601 is connected to the water spray gun head 7, two L-shaped arc-shaped mounting blocks 402 are provided, and the two L-shaped arc-shaped mounting blocks 402 are distributed in a ring shape with the horizontal center line of the docking shell 401 as the origin, and two L-shaped arc-shaped plug blocks 604 are provided, and the two L-shaped arc-shaped plug blocks 604 are distributed in a ring shape with the horizontal center line of the annular block 601 as the origin, and the internal size structure of the L-shaped arc-shaped mounting block 402 is consistent with the external structure of the L-shaped arc-shaped plug block 604; when the L-shaped arc-shaped plug block 604 is inserted into the docking shell 401, and then the annular block 601 is rotated, the two L-shaped arc-shaped plug blocks 604 are driven to rotate, and the two L-shaped arc-shaped plug blocks 604 can be stably inserted into the corresponding L-shaped arc-shaped mounting blocks 402, and the first docking female head component 4 and the first docking male head component 6 can be stably installed, thereby improving the stability of the installation.

[0047] In this embodiment, Figure 7 and Fig. 9 As shown, the annular block 601 forms a sealing structure with the docking shell 401 through the first high temperature resistant sealing ring 602, and the mounting ring 603 forms a sealing structure with the docking shell 401 through the second high temperature resistant sealing ring 605; when the first docking female head component 4 and the first docking male head component 6 are installed, the first high temperature resistant sealing ring 602 and the second high temperature resistant sealing ring 605 are in contact with the docking shell 401. When using a fire hose, it can prevent the internal water from leaking through the gap where the first docking female head component 4 and the first docking male head component 6 are installed, thereby affecting the use effect.

[0048] In this embodiment, Figure 7 , Figure 8 and Fig. 9 As shown, the L-shaped frame 501 is installed on the top of the outer wall of the docking shell 401, the top of the spring 504 is connected to the top of the inner wall of the L-shaped frame 501, and the top of the fixed block 606 is provided with a rectangular hole whose internal size structure is consistent with the outer wall size structure of the insertion rod 502; when the limit block 503 is subjected to the elastic force of the spring 504, the insertion rod 502 is inserted into the top rectangular hole of the fixed block 606, which can improve the installation stability of the first docking female head component 4 and the first docking male head component 6.

[0049] In this embodiment, Figure 8 and Fig. 9As shown, the bottom of the insertion rod 502 and the top of the fixing block 606 are both provided with inclined surfaces; when the first docking female head component 4 and the first docking male head component 6 are installed, the first docking male head component 6 is inserted into the first docking female head component 4, and then the first docking male head component 6 is rotated, and at the same time the fixing block 606 is rotated, and then the inclined surface on the fixing block 606 contacts the inclined surface on the insertion rod 502, and then the insertion rod 502 is pushed to move upward, and when the position of the insertion rod 502 coincides with the position of the rectangular hole at the top of the fixing block 606, the insertion rod 502 is inserted into the rectangular hole at the top of the fixing block 606 by the elastic force of the spring 504, thereby improving the convenience of installation of the first docking female head component 4 and the first docking male head component 6.

[0050] In this embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the size structure of the first docking female head component 4 is consistent with the second docking female head component 10, and the size structure of the first docking male head component 6 is consistent with the second docking male head component 9, and the size structure of the first fixing component 5 is consistent with the second fixing component 11; through the second docking male head component 9, the second docking female head component 10 and the second fixing component 11, the water inlet pipe 12 can be quickly connected to the water gun body 1, thereby improving the convenience of using the fire water gun.

[0051] In this embodiment, Fig.10 As shown, a plurality of circular holes of different sizes and inclination angles are provided on the top of the water spray gun head 7; when water is sprayed out through the water spray gun head 7, the water spray coverage range can be increased, and when cooling the bottom of a lost train car, the bottom of the car can be more comprehensively covered, thereby improving the cooling effect.

[0052] The method of use of the present invention: When the fire hose is used, the working process is as follows:

[0053] like Figures 1 to 10As shown, first, the L-shaped arc plug 604 of the first docking male component 6 is inserted into the docking shell 401 of the first docking female component 4, and then the first docking male component 6 is rotated, and the two L-shaped arc plugs 604 of the first docking male component 6 are inserted into the corresponding L-shaped arc mounting blocks 402 of the first docking female component 4. At the same time, the inclined surface on the fixing block 606 of the first docking male component 6 contacts the inclined surface on the insertion rod 502 of the first fixing component 5, and the insertion rod 502 of the first fixing component 5 is squeezed upward. Then, the insertion rod 502 of the first fixing component 5 is inserted into the rectangular hole at the top of the fixing block 606 of the first docking male component 6 by the elastic force of the spring 504 of the first fixing component 5, and the water spray gun head 7 is connected to the water gun body 1. Then, according to the same principle, through the second docking male component 9 and the second docking female component 1 0 and the second fixing assembly 11 connect the water inlet pipe 12 with the water gun body 1. When it is necessary to cool down the bottom of the lost train car, the fire-fighting water gun is placed on the ground, and the first supporting assembly 2 and the second supporting assembly 8 are in contact with the ground. Then, the installation cover 3 and the valve 102 are opened, and water is sprayed out through the hemispherical shell 105 and the water spray gun head 7. Then, the fire-fighting water gun is pushed to place the water spray gun head 7 under the car for cooling. When the gun head needs to be replaced, the lever 505 is toggled so that the insertion rod 502 of the first fixing assembly 5 is pulled out from the rectangular hole on the top of the fixing block 606 of the first docking male assembly 6. Then, the first docking male assembly 6 is rotated to remove the first docking male assembly 6 from the first docking female assembly 4. Then, the gun heads of other spraying structures, such as the first docking male assembly 6 on the T-shaped gun head, are installed with the first docking female assembly 4.

[0054] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fire-fighting water gun, comprising a water gun body (1), characterized in that: A first supporting assembly (2) is installed at the bottom of the water gun body (1), a mounting cover (3) is installed at the top of the water gun body (1), a first docking female head assembly (4) is installed at one end of the water gun body (1), a first fixing assembly (5) is installed at the top of the first docking female head assembly (4), a first docking male head assembly (6) is installed at one side of the first docking female head assembly (4), a water spray gun head (7) is installed at one side of the first docking male head assembly (6), a second supporting assembly (8) is installed at the bottom of the water spray gun head (7), a second docking male head assembly (9) is installed at the other end of the water gun body (1), a second docking female head assembly (10) is installed at one side of the second docking male head assembly (9), a second fixing assembly (11) is installed at the top of the second docking female head assembly (10), and a water inlet pipe (12) is installed at one side of the second docking female head assembly (10); The first docking female head assembly (4) comprises a docking shell (401), and an L-shaped arc-shaped mounting block (402) is installed on the inner wall of the docking shell (401); The first fixing assembly (5) comprises an L-shaped frame (501), a plug rod (502) is slidably installed through the top of the L-shaped frame (501), a limit block (503) is installed on the outer wall of the plug rod (502), a spring (504) is installed on the top of the limit block (503), and a shifting rod (505) is installed on the top of the plug rod (502); The first docking male head assembly (6) comprises an annular block (601), one side of which is mounted a first high temperature resistant sealing ring (602), a mounting ring (603) and an L-shaped arc-shaped plug-in block (604), one side of which is mounted a second high temperature resistant sealing ring (605), and an outer wall of the annular block (601) is mounted a fixing block (606).

2. A fire-fighting water gun according to claim 1, characterized in that: The water gun body (1) comprises a mounting tube (101), one end of which is mounted a valve (102), one end of which is mounted a connecting tube (103), an outer wall of the mounting tube (101) is mounted a water outlet pipe (104), a top of the water outlet pipe (104) is mounted a hemispherical shell (105), and the outer wall of the hemispherical shell (105) is provided with a plurality of circular spray holes distributed in an arc shape.

3. A fire-fighting water gun according to claim 2, characterized in that: The first supporting assembly (2) comprises a transverse plate (201) installed at the bottom of the mounting tube (101), a slide plate (202) being installed at the bottom of the transverse plate (201), the transverse plates (201) being symmetrically distributed about the vertical center line of the slide plate (202), and the slide plates (202) being distributed at the bottom layer about the vertical center line of the transverse plate (201), and both ends of the slide plate (202) are arranged in an arc shape.

4. A fire-fighting water gun according to claim 2, characterized in that: The installation cover (3) is threadedly installed on the outer wall of the water outlet pipe (104), and the internal dimension structure of the installation cover (3) is consistent with the external dimension structure of the hemispherical shell (105).

5. A fire-fighting water gun according to claim 2, characterized in that: One side of the docking shell (401) is connected to the mounting tube (101), one side of the annular block (601) is connected to the water spray gun head (7), two L-shaped arc-shaped mounting blocks (402) are provided, and the two L-shaped arc-shaped mounting blocks (402) are distributed in an annular manner with the horizontal center line of the docking shell (401) as the origin, two L-shaped arc-shaped plug-in blocks (604) are provided, and the two L-shaped arc-shaped plug-in blocks (604) are distributed in an annular manner with the horizontal center line of the annular block (601) as the origin, and the internal size structure of the L-shaped arc-shaped mounting block (402) is consistent with the external structure of the L-shaped arc-shaped plug-in block (604).

6. A fire-fighting water gun according to claim 1, characterized in that: The annular block (601) forms a sealing structure with the docking shell (401) through a first high temperature resistant sealing ring (602), and the mounting ring (603) forms a sealing structure with the docking shell (401) through a second high temperature resistant sealing ring (605).

7. A fire-fighting water gun according to claim 1, characterized in that: The L-shaped frame (501) is installed on the top of the outer wall of the docking shell (401), the top of the spring (504) is connected to the top of the inner wall of the L-shaped frame (501), and the top of the fixing block (606) is provided with a rectangular hole whose internal size structure is consistent with the outer wall size structure of the insertion rod (502).

8. A fire-fighting water gun according to claim 1, characterized in that: The bottom of the insertion rod (502) and the top of the fixing block (606) are both provided with inclined surfaces.

9. A fire-fighting water gun according to claim 1, characterized in that: The size structure of the first docking female component (4) is consistent with that of the second docking female component (10), the size structure of the first docking male component (6) is consistent with that of the second docking male component (9), and the size structure of the first fixing component (5) is consistent with that of the second fixing component (11).

10. A fire-fighting water gun according to claim 1, characterized in that: The top of the water spray gun head (7) is provided with a plurality of circular holes of different sizes and different inclination angles.

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