Fire-fighting lance for fire fighting

Abstract

The utility model discloses a fire-fighting lance for fire protection, which relates to the technical field of fire-fighting tools and comprises a lance main body, a lance nozzle is arranged at the front end of the lance main body, and a lance water inlet connecting pipe is arranged at the rear end of the lance main body. According to the water gun, the water flow buffering pipe can buffer an entering water source when the water hose connecting pipe is connected into the water source, the impact force peak value can be reduced through the spirally-arranged buffering elastic pieces made of the glass fiber reinforced composite materials, impact damage to internal parts of the water gun is avoided, the water gun is protected, and the service life of the water gun is prolonged; and the balance position can be automatically found through the water flow balance ball under the water flow effect, the water flow is evenly guided to the water gun outlet through the flow guide groove, it is ensured that even under the condition that the water supply pressure fluctuation is large or the water source is unstable, reliable water flow guarantee is provided for fire extinguishing operation, and the water flow spraying stability and continuity are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fire -fighting water gun for fire fighting relates to fire fighting tool technical field, concretely relates to a fire -fighting water gun for fire fighting. BACKGROUND

[0002] The fire water gun is the fire extinguishing water jet tool with water as the jet medium, is connected with the fire water hose, utilizes the pressure water source provided by the fire engine or the fire hydrant, makes water accelerate in the gun cylinder and is high speed jetted from the nozzle, forms the water flow with certain range and impact force, reaches the fire fighting operation purposes such as fire extinguishing, cooling protection, isolation, dilution and smoke exhaust, and the water flow jetted by the water gun can cool the high-temperature object, prevents its deformation collapse, and gains time for rescue work and personnel evacuation

[0003] The prior art has the following problems:

[0004] The fire water gun is the core instrument for fire extinguishing, and the performance improvement is crucial for efficient fire fighting, but the fire usually occurs suddenly, and the stability of the water supply cannot be guaranteed in the emergency, the water flow stability is low and the persistence is poor when the water supply pressure fluctuates greatly or the water source is unstable, and under the continuous impact of uneven high-pressure water flow, the excessive water flow impact force peak value can cause impact damage to the internal components of the water gun, resulting in low service life of the water gun. TECHNICAL SOLUTION

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0006] A fire water gun for fire fighting, comprising a water gun main body, a water gun nozzle is arranged at the front end of the water gun main body, and a water gun water inlet pipe is arranged at the rear end of the water gun main body.

[0007] The further improvement of the technical scheme of the utility model is that the water gun water inlet pipe comprises a water flow buffer pipe, the front end of the water flow buffer pipe is fixedly connected to the rear end of the water gun main body, the rear end of the water flow buffer pipe is fixedly connected with a water hose connector, and the rear end of the water hose connector can be connected with an external water hose.

[0008] The further improvement of the technical scheme of the utility model is that the water flow buffer pipe comprises a buffer main pipe, the rear end of the buffer main pipe is fixedly connected with a buffer connector, the rear end of the buffer connector is fixedly connected to the front end of the water hose connector, the front end of the buffer main pipe is fixedly connected with a flow collecting cone pipe, the front end of the flow collecting cone pipe is fixedly connected to the rear end of the water gun main body, a plurality of buffer springs are fixedly connected to the inner wall of the buffer main pipe, and the plurality of buffer springs are arranged in a spiral on the inner wall of the buffer main pipe.

[0009] The further improvement of the utility model technical scheme lies in that the buffer elastic sheet material is glass fiber reinforced composite material.

[0010] The further improvement of the utility model technical scheme lies in that the water gun main body comprises a barrel main body, the barrel main body is provided with a water gun valve handle on the outer surface, the barrel main body is fixedly connected with a water gun handle on the bottom side of the outer surface, and the rear end of the barrel main body is fixedly connected to the front end of the collecting cone pipe.

[0011] The further improvement of the utility model technical scheme lies in that the water gun nozzle comprises a water flow balance pipe, the water flow balance pipe is rotatably connected with a multifunctional nozzle at the front end, and the rear end of the water flow balance pipe is fixedly connected to the front end of the barrel main body.

[0012] The further improvement of the utility model technical scheme lies in that the water flow balance pipe comprises a pipe body interface, the rear end of the pipe body interface is fixedly connected to the front end of the barrel main body, the front end of the pipe body interface is fixedly connected with a balance pipe body, the front end of the balance pipe body is fixedly connected to the rear end of the multifunctional nozzle, a balance ball cabin is arranged in the balance pipe body, a water flow balance ball is arranged in the balance ball cabin, water distribution openings are arranged on the front and back sides of the outer surface of the water flow balance ball, a plurality of flow guide grooves are arranged on the outer surface of the water flow balance ball, the flow guide grooves are communicated with the two water distribution openings, and the water flow balance ball is movable in the balance ball cabin.

[0013] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0014] 1. The fire-fighting water gun for fire fighting can buffer the water source entering the water hose connector when the water hose connector is connected to the water source, the impact peak value can be reduced by the buffer elastic sheets made of glass fiber reinforced composite material arranged in a spiral manner, the internal components of the water gun are prevented from being damaged by impact, the water gun is protected, and the service life of the water gun is prolonged.

[0015] 2. The fire-fighting water gun for fire fighting can cope with water sources with different pressures and flow rates by the water flow balance pipe of the water gun nozzle, the water flow balance ball can freely roll and automatically find a balance position under the action of water flow, the water flow is uniformly guided to the water gun outlet by the flow guide grooves, the water flow sprayed from the water gun is still stable and smooth even in the case that the water supply pressure fluctuates greatly or the water source is unstable, reliable water flow guarantee is provided for fire extinguishing operation, and the stability and continuity of the water flow sprayed are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The figure is a structural schematic view of the utility model;

[0017] Figure 2 The figure is a structural schematic view of the water gun water inlet connector of the utility model;

[0018] Figure 3 It is the structural schematic view of the water flow buffer pipe of the utility model;

[0019] Figure 4 It is the structural schematic view of the water gun nozzle of the utility model;

[0020] Figure 5 It is the structural schematic view of the water flow balance pipe of the utility model.

[0021] In the drawing: 1, water gun nozzle;11, multifunctional nozzle;12, water flow balance pipe;121, water distribution port;122, balance ball cabin;123, balance pipe body;124, water flow balance ball;125, guide groove;126, pipe body interface;2, water gun main body;21, water gun valve handle;22, gun barrel main body;23, water gun handle;3, water gun water inlet connector;31, water flow buffer pipe;311, buffer connector;312, buffer sheet;313, buffer main pipe;314, flow collecting cone pipe;32, water hose connector. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects achieved by the utility model easy to understand, the utility model is further described below in combination with specific embodiments:

[0023] As shown in Figures 1-5 The utility model provides a fire fighting water gun for fire fighting, including water gun main body 2, water gun main body 2 front end is provided with water gun nozzle 1, water gun main body 2 rear end is provided with water gun water inlet connector 3, water gun nozzle 1 is used for realizing the jet of water flow and the conversion of jet mode, water gun main body 2 is used for holding operation and connects water gun nozzle 1 and water gun water inlet connector 3, water gun water inlet connector 3 is responsible for connecting water hose to introduce water source, and the three work together to provide stable water flow guarantee for fire extinguishing.

[0024] As shown in Figure 2 The utility model provides a technical scheme: preferably, water gun water inlet connector 3 includes water flow buffer pipe 31, water flow buffer pipe 31 front end is fixedly connected to water gun main body 2 rear end, water flow buffer pipe 31 rear end is fixedly connected with water hose connector 32, and water hose connector 32 rear end can be connected with external water hose, water gun water inlet connector 3 buffers water flow through water flow buffer pipe 31 and connects water gun main body 2 with water hose connector 32, and water hose connector 32 is used to connect external water hose to introduce water source, to provide stable water flow input guarantee for fire extinguishing operation.

[0025] As shown in Figure 3As shown in the technical scheme: preferably, the water flow buffer pipe 31 comprises a buffer main pipe 313, the buffer main pipe 313 is fixedly connected with a buffer connecting pipe 311 at the rear end, the buffer connecting pipe 311 is fixedly connected with the water hose connecting pipe 32 at the rear end, the buffer main pipe 313 is fixedly connected with a flow collecting cone pipe 314 at the front end, the flow collecting cone pipe 314 is fixedly connected with the water gun main body 2 at the rear end, and the inner wall of the buffer main pipe 313 is fixedly connected with a plurality of buffer spring sheets 312; the plurality of buffer spring sheets 312 are arranged in a spiral on the inner wall of the buffer main pipe 313.

[0026] As shown in the technical scheme: Figure 3 The buffer spring sheet 312 is made of glass fiber reinforced composite material.

[0027] In the working of the fire water gun, the buffer main pipe 313 is connected with the water hose connecting pipe 32 through the buffer connecting pipe 311 at the rear end, and the front end is connected with the water gun main body 2 through the flow collecting cone pipe 314; the buffer spring sheet 312 made of glass fiber reinforced composite material arranged in a spiral on the inner wall of the buffer main pipe 313 buffers the water flow introduced from the water hose connecting pipe 32 through the buffer main pipe 313, reduces the impact force peak, protects the internal components of the water gun and prolongs the service life, and overall guarantees the stability of the water flow before entering the water gun main body 2.

[0028] As shown in the technical scheme: Figure 4 The water gun main body 2 comprises a gun barrel main body 22, the outer surface of the gun barrel main body 22 is provided with a water gun valve handle 21, the outer surface of the gun barrel main body 22 is fixedly connected with a water gun handle 23 at the bottom side, and the rear end of the gun barrel main body 22 is fixedly connected with the front end of the flow collecting cone pipe 314.

[0029] The gun barrel main body 22 is used as a main structure to connect various components and guide the water flow; the water gun valve handle 21 is used for controlling the on-off and flow size of the water flow; and the water gun handle 23 is convenient for the firefighter to hold and operate; and the three cooperate together to enable the firefighter to effectively control the water gun to perform fire extinguishing operation.

[0030] The water gun valve handle 21 and the gun barrel main body 22 are both prior art, and will not be described here.

[0031] As shown in the technical scheme: Figure 4 The water gun nozzle 1 comprises a water flow balance pipe 12, the water flow balance pipe 12 is rotatably connected with a multifunctional nozzle 11 at the front end, and the rear end of the water flow balance pipe 12 is fixedly connected with the front end of the gun barrel main body 22.

[0032] The water flow balance pipe 12 of the water gun nozzle 1 balances and adjusts the water flow from the gun barrel main body 22 and then delivers the water flow to the multifunctional nozzle 11 rotatably connected at the front end; the multifunctional nozzle 11 realizes the spraying of multiple jet modes; and the two cooperate together to provide stable and flexible adjustable water flow output for fire extinguishing.

[0033] Wherein the multifunctional nozzle 11 is prior art, not explained here.

[0034] As Figure 5 The utility model provides a technical scheme: preferably, water flow balance pipe 12 includes pipe body interface 126, pipe body interface 126 rear end fixed connection is in the front end of gun barrel main body 22, pipe body interface 126 front end fixed connection has balance pipe body 123, balance pipe body 123 front end fixed connection is in the rear end of multifunctional nozzle 11, and balance pipe body 123 inside is seted up with balance ball cabin 122, and balance ball cabin 122 inside is provided with water flow balance ball 124, and the outer surface of water flow balance ball 124 is seted up with the water distribution port 121 of two sides before and after, and the outer surface of water flow balance ball 124 is seted up with a plurality of guide grooves 125, and guide groove 125 is connected two water distribution ports 121, and water flow balance ball 124 can move inside balance ball cabin 122.

[0035] Water flow balance pipe 12 is connected with gun barrel main body 22 through pipe body interface 126, receives the water flow from gun barrel main body 22, and the water flow enters the balance ball cabin 122 inside balance pipe body 123, and water flow balance ball 124 moves in balance ball cabin 122, utilizes the water distribution port 121 and guide groove 125 of its outer surface and is evenly guided to the front end fixed connection multifunctional nozzle 11, to ensure that the water flow from multifunctional nozzle 11 is stable, smooth, provides reliable guarantee for fire extinguishing operation.

[0036] The working principle of the fire-fighting water gun for fire fighting will be described in detail below.

[0037] As Figures 1-5 The water hose connector 32 is connected with the external fire hose, one hand holds the water gun handle 23, the water flow is adjusted by operating the water gun valve 21 to adapt to different fire extinguishing requirements, the water flow enters the water gun main body 2 through the water hose, the water gun inlet pipe 3, the water flow is in the buffer main pipe 313, is buffered through the spiral arrangement buffer spring 312, enters the gun barrel main body 22 through the flow collecting cone pipe 314, then the water flow enters the water flow balance pipe 12, the water flow balance ball 124 moves in the balance ball cabin 122, and the water flow is evenly distributed by the water distribution port 121 and the guide groove 125, and finally is sprayed from the multifunctional nozzle 11, and the firefighter adjusts the nozzle angle and the jet mode according to the fire to extinguish the fire.

[0038] The above has made detailed description to the utility model in general, but on the basis of the utility model, some modifications or improvements can be made, which is obvious to the general technical personnel in the technical field. Therefore, the modification or improvement without departing from the utility model's ideological spirit is within the protection scope of the utility model.

Claims

1. A fire-fighting monitor for fire-fighting purposes, comprising a monitor body (2), characterized in that: The water gun body (2) is provided with a water gun nozzle (1) at the front end, and is provided with a water gun water inlet connector (3) at the rear end; The water gun water inlet connector (3) comprises a water flow buffer pipe (31), the front end of the water flow buffer pipe (31) is fixedly connected to the rear end of the water gun body (2), and the rear end of the water flow buffer pipe (31) is fixedly connected with a water hose connector (32), and the rear end of the water hose connector (32) can be connected with an external water hose.

2. The fire fighting monitor according to claim 1, characterized in that: The water flow buffer pipe (31) comprises a buffer main pipe (313), the rear end of the buffer main pipe (313) is fixedly connected with a buffer connector (311), the rear end of the buffer connector (311) is fixedly connected to the front end of the water hose connector (32), the front end of the buffer main pipe (313) is fixedly connected with a flow collecting cone pipe (314), the front end of the flow collecting cone pipe (314) is fixedly connected to the rear end of the water gun body (2), and the inner wall of the buffer main pipe (313) is fixedly connected with a plurality of buffer elastic sheets (312), and the plurality of buffer elastic sheets (312) are arranged in a spiral on the inner wall of the buffer main pipe (313).

3. A fire fighting monitor according to claim 2, characterised in that: The buffer elastic sheet (312) is made of glass fiber reinforced composite material.

4. The fire-fighting monitor according to claim 2, characterized in that: The water gun body (2) comprises a barrel body (22), the outer surface of the barrel body (22) is provided with a water gun valve handle (21), the bottom side of the outer surface of the barrel body (22) is fixedly connected with a water gun handle (23), and the rear end of the barrel body (22) is fixedly connected to the front end of the flow collecting cone pipe (314).

5. A fire fighting monitor according to claim 4, characterised in that: The water gun nozzle (1) comprises a water flow balance pipe (12), the front end of the water flow balance pipe (12) is rotatably connected with a multifunctional nozzle (11), and the rear end of the water flow balance pipe (12) is fixedly connected to the front end of the barrel body (22).

6. A fire fighting monitor according to claim 5, wherein: The water flow balance pipe (12) comprises a pipe body interface (126), the rear end of the pipe body interface (126) is fixedly connected to the front end of the barrel body (22), the front end of the pipe body interface (126) is fixedly connected with a balance pipe body (123), the front end of the balance pipe body (123) is fixedly connected to the rear end of the multifunctional nozzle (11), a balance ball cabin (122) is formed in the balance pipe body (123), a water flow balance ball (124) is arranged in the balance ball cabin (122), water distribution ports (121) are formed on the front and rear sides of the outer surface of the water flow balance ball (124), a plurality of guide grooves (125) are formed in the outer surface of the water flow balance ball (124), the guide grooves (125) are connected with the two water distribution ports (121), and the water flow balance ball (124) is movable in the balance ball cabin (122).

Images