CN215691244U

CN215691244U - Energy-saving fire gun head

Info

Publication number: CN215691244U
Application number: CN202023122776.0U
Authority: CN
Inventors: 张建清
Original assignee: Nanjing Rui Real Fire Safery Equipment Co ltd
Current assignee: Nanjing Rui Real Fire Safery Equipment Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2022-02-01
Anticipated expiration: 2030-12-23

Abstract

The utility model relates to an energy-saving fire monitor head, belonging to the field of fire-fighting equipment, which comprises an inner spray pipe, wherein the outlet end of the inner spray pipe is coaxially sleeved with an outer spray pipe, the inner spray pipe is partially overlapped with the outer spray pipe, an adjusting screw rod is coaxially connected inside the inner spray pipe, the outlet end of the adjusting screw rod, which is close to the inner spray pipe, is connected with a water flow core, the water flow core is attached to the inner side wall of the outlet end of the inner spray pipe, the water flow core is connected with a water flow lattice towards the inlet end of the inner spray pipe, the water flow lattice is coaxially mounted by being clung to the inner side wall of the inner spray pipe, and the water flow lattice is coaxially connected with a flow guide screw towards the inlet end of the inner spray pipe. According to the utility model, the guide screw is arranged in the central guide pipe of the water flow grid, so that the water flow directly enters the water flow grid through the guide screw, the phenomenon that the water flow directly impacts the water flow grid to generate turbulent water flow again is avoided, the water type is effectively improved, the kinetic energy loss during the water body flowing is avoided, and the spraying height and the spraying distance of the fire monitor are ensured.

Description

Energy-saving fire gun head

Technical Field

The utility model relates to an energy-saving fire monitor head, and belongs to the technical field of fire fighting equipment.

Background

A fire monitor is a fire extinguishing device for extinguishing fire remotely. Fire monitor is commonly used in petrochemical enterprises, tank farms, hangars, warehouses, ports and docks, etc. The jet distance and the jet height of the fire monitor are mainly influenced by the power of the fire pump and the structure of the fire monitor. At present known, when rivers pass through the return bend in the fire monitor big gun body, rivers take place the disorder easily, get into behind the rivers check of fire monitor head, can the disorderly problem of effectual reduction rivers, improve the water type of play water, however, rivers are when getting into the rivers check, and rivers directly strike rivers check, cause the disorderly problem of rivers again, influence the water type, jet distance and the jet height that fire monitor head sprays, increase the power consumption. Therefore, on the premise of reducing energy consumption, how to increase the spraying distance and the spraying height of the fire monitor by changing the problem of water flow disorder caused by water flow grids in the fire monitor head and further reduce the energy consumption is the current main research and design direction.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an energy-saving fire monitor head, which has the following specific technical scheme:

the energy-saving fire monitor head comprises an inner spray pipe, wherein an outer spray pipe is coaxially sleeved at the outlet end of the inner spray pipe, the inner spray pipe is partially overlapped with the outer spray pipe, an adjusting screw rod is coaxially connected inside the inner spray pipe, the outlet end of the adjusting screw rod, which is close to the inner spray pipe, is connected with a water flow core, the water flow core is attached to the inner side wall of the outlet end of the inner spray pipe, a water flow lattice is connected towards the inlet end of the inner spray pipe by the adjusting screw rod, the water flow lattice is closely attached to the inner side wall of the inner spray pipe in a coaxial arrangement manner,

the water flow check comprises a central flow guide pipe, a plurality of integrally formed flow guide plates are uniformly distributed on the surface of the outer wall of the central flow guide pipe, the central flow guide pipe is flushed with the end faces of the two ends of the flow guide plate, the flow guide screw is coaxially connected with the inlet end of the inner spray pipe towards the water flow check and comprises an integrally formed flow guide end and a fixed end, and the flow guide screw is embedded in the central flow guide pipe through the fixed end.

Furthermore, the stiff end is cylindric, and the stiff end external diameter equals with central honeycomb duct internal diameter, the diversion end is coniform, and the integrative bottom surface circle diameter that links to each other of diversion end and stiff end equals with central honeycomb duct external diameter.

Furthermore, the fixed end of the diversion screw is in interference fit connection with the inner wall of the central diversion pipe, and the conical bottom surface of the diversion end of the diversion screw is tightly attached to the end surface of the adjacent central diversion pipe.

Furthermore, the flow guide end is conical, and the vertex of the flow guide end is a spherical surface.

Furthermore, the inlet end of the inner spray pipe is connected with a guide bent pipe through a flange.

Furthermore, the flow guide end of the flow guide screw is exposed out of the inner spray pipe.

The utility model has the beneficial effects that:

according to the utility model, the guide screw is arranged in the central guide pipe of the water flow grid, so that the water flow directly enters the water flow grid through the guide screw, the phenomenon that the water flow directly impacts the water flow grid to generate turbulent water flow again is avoided, the water type is effectively improved, the kinetic energy loss during the water body flowing is avoided, and the spraying height and the spraying distance of the fire monitor are ensured.

Drawings

Figure 1 is a schematic view of the internal structure of the present invention,

figure 2 is a comparative schematic of the present invention,

figure 3 is a perspective view of the water flow grid and the guide screw of the present invention,

figure 4 is a schematic view of the water flow grid of the present invention,

figure 5 is a schematic view of a deflector screw of the present invention,

in the figure: the water flow guide pipe comprises a main body and is characterized by comprising 1-an outer spray pipe, 2-an inner spray pipe, 3-a flow guide screw, 4-a water flow grid, 5-an adjusting screw, 6-a water flow core, 7-a water flow core cover, 301-a flow guide end, 302-a fixed end, 401-a flow guide plate and 402-a central flow guide pipe.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, the energy-saving fire monitor head comprises an inner spray pipe 2, wherein the inlet end of the inner spray pipe 2 is connected with a guide elbow through a flange, the outlet end of the inner spray pipe 2 is coaxially sleeved with an outer spray pipe 1, the inner spray pipe 2 is partially overlapped with the outer spray pipe 1, an adjusting screw 5 is coaxially connected inside the inner spray pipe 2, the outlet end of the adjusting screw 5 close to the inner spray pipe 2 is connected with a water flow core 6, the water flow core 6 is attached to the inner side wall of the outlet end of the inner spray pipe 2, a water flow lattice 4 is connected to the inlet end of the adjusting screw 5 facing the inner spray pipe 2, and the water flow lattice 4 is closely and coaxially mounted on the inner side wall of the inner spray pipe 2. As shown in fig. 3 and 4, the water flow grid 4 includes a central flow guide pipe 402, a plurality of integrally formed flow guide plates 401 are uniformly distributed on the outer wall surface of the central flow guide pipe 402, the central flow guide pipe 402 is flush with the end surfaces of the two ends of the flow guide plates 401, the flow guide screw 3 is coaxially connected to the water flow grid 4 towards the inlet end of the inner spray pipe 2, and the flow guide end 301 of the flow guide screw 3 is partially exposed out of the inner spray pipe 2. As shown in fig. 5, the guide screw 3 includes a guide end 301 and a fixing end 302 which are integrally formed. The fixed end 302 of the guide screw 3 is cylindrical, the outer diameter of the fixed end 302 is equal to the inner diameter of the central guide pipe 402, the guide end 301 is conical, the diameter of a circle of the bottom surface, integrally connected with the fixed end 302, of the guide end 301 is equal to the outer diameter of the central guide pipe 402, the conical top of the guide end 301 is spherical, the fixed end 302 of the guide screw 3 is in interference connection with the inner wall of the central guide pipe 402, and the conical bottom surface of the guide end 301 of the guide screw 3 is tightly attached to the end surface of the adjacent central guide pipe 402. Wherein, still be provided with rivers core lid 7 in the rivers core 6, rivers core lid 7 and adjusting screw 5 coaxial fixed, rivers core lid 7 passes through locking screw to be fixed on the adjusting screw rod of rivers core 6 inside. A return spring is arranged between the water flow core cover 7 and the water flow core 6, and the return spring is sleeved on the surface of the water flow core cover 7 and is contacted with the bottom surface of the water flow core 6.

As shown in fig. 2, the water inlet direction of the water flow grid 4 of the traditional fire monitor head is not provided with the diversion screw 3, when water flows into the inner spray pipe 2 from the elbow, the water flows directly impact the end surface of the water inlet end of the water flow grid 4, and the water cannot be directly sprayed out along the inner spray pipe 2, so that a large turbulent flow is caused, the kinetic energy of the water flows is weakened, the water type is discrete, and the spray distance and the spray height of the fire monitor head cannot be guaranteed. As shown in fig. 1, compared with the conventional fire monitor head, the energy-saving fire monitor head of the present invention has the advantages that the diversion screw 3 is installed in the water inlet direction of the water flow grid 4, when water flows into the inner spray pipe 2 from the elbow, the water flows uniformly and dispersedly advance along the conical diversion end 301 under the diversion effect of the diversion end 301 of the diversion screw 3, so as to avoid the conditions of water flow backflow and scattering to the inner wall of the inner spray pipe 2 caused by collision with the end surface of the water inlet end of the water flow grid 4, the diversion direction of the diversion screw 3 is consistent with the water spray direction of the fire monitor head, the attenuation of the diversion screw 3 to the water flow energy is small, the energy consumption of the fire monitor is reduced, and the energy is saved under the condition that the fire monitor head has the same spray height and spray distance.

According to the utility model, the guide screw is arranged in the central guide pipe of the water flow grid, so that the water flow directly enters the water flow grid through the guide screw, the phenomenon that the water flow directly impacts the water flow grid to generate disordered water flow again is avoided, the water type is effectively improved, the kinetic energy loss during the water body flowing is avoided, the injection height and the injection distance of the fire monitor are ensured, and the energy consumption is saved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an energy-saving fire gun head which characterized in that: comprises an inner spray pipe (2), an outer spray pipe (1) is coaxially sleeved at the outlet end of the inner spray pipe (2), the inner spray pipe (2) is partially overlapped with the outer spray pipe (1), an adjusting screw rod (5) is coaxially connected inside the inner spray pipe (2), the outlet end of the adjusting screw rod (5) close to the inner spray pipe (2) is connected with a water flow core (6), the water flow core (6) is attached to the inner side wall of the outlet end of the inner spray pipe (2), a water flow lattice (4) is connected to the inlet end of the adjusting screw rod (5) towards the inner spray pipe (2), the inner side wall of the inner spray pipe (2) is coaxially installed in a manner that the water flow lattice (4) is attached to the inner side wall,

water flow check (4) are including central honeycomb duct (402), central honeycomb duct (402) outer wall surface evenly distributed has a plurality of guide plates (401) of integrated into one piece, and central honeycomb duct (402) flushes with the both ends terminal surface of guide plate (401), spray tube (2) entrance point coaxial coupling has water conservancy diversion screw (3) in water flow check (4) orientation, water conservancy diversion screw (3) are including integrated into one piece's water conservancy diversion end (301) and stiff end (302), and water conservancy diversion screw (3) are intraductal at central honeycomb duct (402) through stiff end (302) scarf joint.

2. The energy-saving fire monitor head according to claim 1, wherein: the utility model discloses a honeycomb duct is characterized in that stiff end (302) are cylindric, and stiff end (302) external diameter equals with central honeycomb duct (402) internal diameter, leading end (301) are coniform, and the bottom surface circle diameter that leading end (301) and stiff end (302) an organic whole link to each other equals with central honeycomb duct (402) external diameter.

3. An energy-saving fire monitor head according to claim 1 or 2, wherein: the fixed end (302) of the diversion screw (3) is in interference connection with the inner wall of the central diversion pipe (402), and the conical bottom surface of the diversion end (301) of the diversion screw (3) is tightly attached to the end surface of the adjacent central diversion pipe (402).

4. The energy-saving fire monitor head according to claim 2, wherein: the cone top of the flow guide end (301) is a spherical surface.

5. The energy-saving fire monitor head according to claim 1, wherein: the inlet end of the inner spray pipe (2) is connected with a guide bent pipe through a flange.

6. The energy-saving fire monitor head according to claim 1, wherein: the flow guide end (301) of the flow guide screw (3) is exposed out of the inner spray pipe (2).