CN111494855A - Fire-fighting pipe fitting and installation method thereof - Google Patents

Abstract

The invention relates to a fire-fighting pipe fitting and an installation method thereof, belonging to the technical field of fire-fighting equipment and comprising the following steps: the fire-fighting box is arranged on the indoor wall body; the water outlet is arranged in the fire box and connected with a fire pipeline; the fire hose is hung on the side wall of the water outlet and positioned in the fire fighting box, and is characterized in that a first adjusting assembly is adjustably arranged at the position of the water outlet; a second adjusting assembly is adjustably arranged on the fire hose; and a third adjusting assembly is arranged at the position of the water spraying opening of the fire hose in an adjustable manner. The invention aims to provide a fire fighting pipe fitting and an installation method thereof, which can effectively adjust the injection amount of water flow in a fire hydrant and adjust the injection distance of the water flow in the fire hydrant by controlling the inflow amount of the water flow in the fire hydrant, the size of a pipe diameter during water flow and an injection opening for water injection.

Description

Fire-fighting pipe fitting and installation method thereof

Technical Field

The invention relates to the technical field of fire fighting equipment, in particular to a fire fighting pipe fitting and an installation method thereof.

Background

According to the fire-fighting requirements, fire-fighting equipment such as indoor fire hydrant for fire extinguishing must be installed in the building. The indoor fire hydrant is an interface with a valve for supplying water to a fire place through an indoor pipe network, is used as an indoor fixed fire-fighting facility of buildings and the like, is usually installed in a fire hydrant box, and is matched with equipment such as a fire hose, a water gun, a fire hose reel and the like for use.

The water supply pipeline in the building is divided into an independent domestic water pipeline and a fire pipeline, wherein the fire pipeline comprises a pipeline for connecting an indoor fire hydrant and a pipeline for connecting an indoor spraying device, and the indoor fire hydrant and the indoor spraying device are respectively connected with the indoor fire pipeline through parts such as a three-way joint and the like to provide water sources for the indoor fire hydrant and the spraying device. The fire pipeline is formed by connecting fire-fighting pipe fittings, and general fire-fighting pipe fittings pass through the clamp connection, and the rethread threaded connection mode is fixed on the support body of floor.

At present, when a fire alarm needs to spray fire, people and firefighters often connect a fire hose and a fire hydrant by means of ring joint, clamping joint, threaded joint and the like, connect a fire hose head and the fire hose, open a water outlet valve in a fire pipeline, and drag the fire hose to a fire place or a fire place nearby for fire extinguishing and spraying.

However, the water outlet frequency of the fire fighting pipeline is consistent after the water outlet valve is opened, but the fire fighting mode cannot well control the flowing and spraying of water flow, and when the fire is in a small condition, the water outlet quantity of the fire hydrant is large, so that water is wasted, and the danger of electric leakage is easy to occur during fire fighting; when the fire is big, people can not put out a fire close to the fire point, and often need use the squirt to put out a fire far away, and the water spray distance of the fire hydrant is not far enough, and the fire is difficult to control.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a fire fighting pipe fitting and an installation method thereof, which can effectively adjust the injection amount of water flow in a fire hydrant and the injection distance of the water flow in the fire hydrant by controlling the inflow amount of the water flow in the fire hydrant, the size of a pipe diameter during water flow and an injection opening for water injection.

The above object of the present invention is achieved by the following technical solutions:

a fire fighting pipe, comprising: the fire-fighting box is arranged on the indoor wall body; the water outlet is arranged in the fire box and connected with a fire pipeline; the fire hose is hung on the side wall of the water outlet and positioned in the fire fighting box, and a first adjusting assembly for adjusting the size of the opening of the water outlet is adjustably arranged at the position of the water outlet; the second adjusting assembly is adjustably arranged on the fire hose and used for adjusting the pipe diameter size of the fire hose; and a third adjusting component which is arranged at the position of the water spraying opening of the fire hose in an adjustable manner and is used for adjusting the water spraying size of the water spraying opening of the fire hose, wherein the first adjusting component comprises: the adjusting pipe is arranged at the position of the water outlet; the first adjusting piece is arranged at the position of the inner wall of the adjusting pipe pipeline; the second adjustment assembly includes: the cavity is arranged at the inner position of the fire hose; and a second adjustment member disposed in the cavity; the third adjustment assembly includes: the fire-fighting water gun head is arranged at the position of the water spray opening at the end part of the fire-fighting water hose; and a third regulating part arranged at the fire water gun head.

By adopting the arrangement, the arranged fire fighting box can better seal the fire fighting equipment, the fire fighting equipment can be well stored when no fire exists, the arranged water outlet can enable water in the fire fighting pipeline to flow out of the water outlet, the arranged fire fighting hose can guide the water to the fire to be sprayed, and the size of the opening of the water outlet can be adjusted by the arranged first adjusting piece, so that the effect of adjusting the water yield can be achieved; the second adjusting piece can adjust the size of the pipe diameter of the fire hose, so that the flow velocity of water in the fire hose can be adjusted, and the effect of adjusting the water jet distance can be achieved; the opening size of fire-fighting water gun head can be adjusted to the third regulating assembly who sets up to can reach the hydraulic size of regulation delivery port position department, and then reach the effect of jet distance, the jet rate of regulation rivers.

The invention is further configured such that the first adjustment member comprises: the installation cavity is formed in the inner wall of the adjusting pipe; the mounting blocks are arranged on two sides of the inner wall of the mounting cavity; two hinge plates symmetrically hinged at the positions of the opposite ends of the two mounting blocks; an inner cavity arranged in the mounting block; and the first driving part is arranged in the inner cavity and used for driving the hinged plate to open and close so as to adjust the size of the water outlet opening.

Through adopting above-mentioned setting, the installation cavity that sets up can supply the installation piece to install, and it has the articulated slab to articulate on the installation piece, and can set up first drive division through the inner chamber of seting up in installation piece internal position department, and then can drive the articulated slab through first drive division and open and close, can adjust delivery port opening size to can reach the effect of adjusting the water yield.

The present invention is further configured such that the first driving part includes: arc-shaped adjusting grooves symmetrically formed in the plate surfaces of the two hinged plates on one side away from the water outlet end of the water outlet; the ball block is connected in the arc-shaped adjusting groove in a sliding manner; the threaded rod penetrates through the wall of the adjusting pipe, the mounting block and the inner cavity in a threaded connection mode; the rotating handle is arranged at one end of the threaded rod, which is far away from the ball block; and the rotating part is arranged at one end of the threaded rod, close to the ball block, and is in rotating connection with the ball block.

Through adopting above-mentioned setting, the threaded rod that sets up can carry out position control with the ball piece that the threaded rod is connected in the arc adjustment tank, can adjust the articulated slab when the ball piece is adjusted, therefore the threaded rod can drive the articulated slab and open and close, can adjust delivery port opening size to can reach the effect of adjusting the water yield.

The present invention is further configured such that the rotating portion includes: the first rotating cavity is formed in the position, close to one end of the ball block, of the threaded rod; the second rotating cavity is formed in the position, close to one end of the threaded rod, of the ball block; and one end of the connecting strip is arranged in the first rotating cavity, the other end of the connecting strip is arranged in the second rotating cavity, and the cross section of the connecting strip is I-shaped.

Through adopting the above-mentioned setting, swing joint has the connecting strip in the chamber is changeed to first commentaries on classics chamber and the second of setting, can avoid the ball piece to block when carrying out the displacement in the arc adjustment tank in the threaded rod rotates, can make the threaded rod smoothly drive the ball piece and carry out the regulation of position in the arc adjustment tank to can open and close the articulated slab betterly, can adjust delivery port opening size, thereby can reach the effect of adjusting the water yield.

The invention is further configured such that the second adjustment member comprises: the inflatable bag is arranged in the cavity and is fixed with the inner wall of the cavity; the inflation inlet is formed in the inflation bag and penetrates through the inflation port protruding out of the fire hose; the inflation pump is arranged in the fire box and connected with a power supply; one end of the connecting pipe is connected with the inflation port, and the other end of the connecting pipe is connected with the inflation pump; and the closing piece is arranged on the connecting pipe and used for opening and closing the inflation inlet.

Through adopting the above-mentioned setting, the pump of setting can be after the circular telegram along the connecting pipe, the inflation inlet inflates for the gas cell, thereby can adjust the gas cell at the harmomegathus degree, can carry out manual exhaust or seal through the closing member, thereby atmospheric pressure in the gas cell can be controlled, the inside volume size of fire hose then can be controlled to the harmomegathus degree through the gas cell, thereby adjust the pipe diameter size of fire hose, thereby can reach the velocity of flow of regulation water in fire hose, and then reach the effect of regulation rivers jet distance.

The invention further provides that the closure comprises: a T-shaped airtight tube with one end connected to the inflation inlet and the other end connected to the connecting tube; the opening is formed in the protruding end of the side wall of the sealed pipe and communicated with the sealed pipe; the gas control part penetrates through the opening and is rotatably arranged in the closed pipe; the end part ring is sleeved on the opening and is attached to the sealing gasket of the gas control piece; and the pressure gauge is arranged on the sealed pipe.

Through adopting the above-mentioned setting, the sealed pipe is connected the gas cell with the connecting pipe, can carry out manual exhaust or seal better through gas control spare, thereby can control the atmospheric pressure in the gas cell, the inside volume size of fire hose then can be controlled through the harmomegathus degree of gas cell, thereby adjust the pipe diameter size of fire hose, thereby can reach the velocity of flow of regulation water in fire hose, and then reach the effect of regulation rivers jet distance, the sealed pad that sets up can be sealed with the part position between gas control spare and the opening betterly, avoid the gas leakage condition to appear, become can directly perceivedly see out the atmospheric pressure value in the gas cell through pressure, the convenience is adjusted the gas pressure in the gas cell.

The invention further provides that the gas control member comprises: the spherical cavity is arranged in the closed pipe; the spherical block is arranged in the spherical cavity and is matched with the spherical cavity; a penetrating channel which penetrates through the spherical block and is horizontal to the extending direction of the closed pipe pipeline; the two sliding chutes are symmetrically arranged on the spherical block in a penetrating way, are positioned on two horizontal side walls of the penetrating channel and extend upwards along the vertical direction; the sliding block is connected in the sliding groove in a sliding manner; the pressing strip is integrally T-shaped, two ends of the pressing strip are respectively fixed with the two sliding blocks, and the top of the pressing strip penetrates through the spherical block and extends out of the opening; the communicating channel is communicated with the inner space of the spherical cavity, penetrates through the two sides of the pressing strip and is communicated with the outside at the top; the reset spring is sleeved at the extending end of the pressing strip; the pressing sheet is fixed at the edge of the extending end part of the pressing strip; and a groove which is arranged at the top of the pressing sheet and communicated with the communicating channel.

Through adopting the above-mentioned setting, the spherical piece that sets up can be in spherical chamber adaptation motion, can connect connecting pipe and gas cell through the through passage, and can drive the spherical piece to rotate in spherical chamber when rotating according to the layering through pressing the layering with being connected of slider, thereby can control and adjust the position that runs through the passageway, reach and open and close the through passage, adjust the effect of sealed pipe opening size, and then can control the slider and carry out the displacement on the spout through pressing this strip of pressing, thereby can make the gas in the spherical chamber can follow the intercommunication passageway and arrange to the external environment in, reach the effect of adjusting gas cell internal gas pressure, thereby can adjust the harmomegathus degree of gas cell, and adjust the pipe diameter size of fire hose, and can reach the velocity of flow of regulation water in fire hose, and then reach the effect of adjusting water jet distance.

The invention is further configured such that the third adjusting member comprises: the arc-shaped clamping grooves are symmetrically formed in the water spraying port position end of the fire-fighting water gun head; the two arc-shaped clamping strips are symmetrically connected to the arc-shaped clamping grooves in a sliding manner; the connecting water gun head is fixed at one end of the two arc-shaped clamping strips, which is far away from the fire water gun head; and the limiting parts are arranged on the arc-shaped clamping grooves, and convex blocks are fixed at positions on two sides of the jointed water gun head.

Through adopting the above-mentioned setting, the arc draw-in groove arc card strip of setting mutually supports, can make linking up the tip position department of the convenient block of rifle head at the fire-fighting water rifle head, can make the tip that links up the difficult fire-fighting water rifle head that deviates from of rifle head through the locating part, can rotate better through the lug and link up the rifle head, thereby adjust the size of a dimension of water jet through linking up the rifle head at fire-fighting water rifle head water jet position block.

The invention is further configured such that the limiting member comprises: the first limiting strip is fixed at the edge of the arc-shaped clamping groove in a surrounding manner; and the second limiting strip is fixed on the strip body on one side of the arc-shaped clamping strip, and the first limiting strip is clamped with the second limiting strip.

Through adopting above-mentioned setting, first spacing and the spacing block of second can block each other, avoid linking up the fire-fighting water rifle head that the water rifle head deviates from to can make rivers blowout better.

Another object of the present invention is to provide a method of installing a fire fighting pipe, comprising:

step A: carefully familiarizing construction drawings, construction schemes, technologies and specific measures for safety intersection, checking the installation coordinates of the drawings and the pipeline, checking that the elevation is not proper enough in crossing or arrangement positions, reasonably installing the construction sequence, and implementing the installation preparation of the fire-fighting pipeline;

and B: performing semi-bright and semi-dark installation on the reserved installation part of the fire fighting box according to the setting requirements of a drawing;

and C: the fire hydrant branch pipe is installed, a rear water inlet mode is adopted according to the field condition, the central position of a water outlet of the fire hydrant branch pipe is guaranteed to be 1.1m high from the ground, 140mm away from a fire box frame, 100mm behind the fire box and 140mm at the bottom of the fire box, the convenience of maintenance after installation is guaranteed, meanwhile, the requirement that people and firefighters smoothly connect a connector after breaking glass is met, the fire hydrant valve is tightly connected through threads, a valve port faces outwards, and a pressure reducing hydrant is installed according to design requirements;

step D: carrying out hydrostatic test and flushing on the system;

step E: installing accessories in a fire box, placing a fire hose in a roll, placing a fire-fighting water gun head and a connecting water gun head, and checking whether a sealing assembly in a bolt port is complete and complete;

step F: after the fire fighting system and the water supply system of the water pump are finished, a linkage test is carried out, the closing condition of the bolt valves in each box is checked, the water pump is started to carry out three-position injection pressure test, whether the water gun is full or not is observed, and whether the length of the water column meets the requirement or not is observed.

In conclusion, the invention has the following beneficial effects:

according to the invention, the fire-fighting appliance can be well sealed through the fire-fighting box, the fire-fighting appliance can be well stored when no fire exists, the water in the fire-fighting pipeline can flow out of the water outlet through the arranged water outlet, the arranged fire-fighting hose can guide water to the fire to be sprayed, and the size of the opening of the water outlet can be adjusted by the arranged first adjusting piece, so that the effect of adjusting the water yield can be achieved; the second adjusting piece can adjust the size of the pipe diameter of the fire hose, so that the flow velocity of water in the fire hose can be adjusted, and the effect of adjusting the water jet distance can be achieved; the opening size of fire-fighting water gun head can be adjusted to the third regulating assembly who sets up to can reach the hydraulic size of regulation delivery port position department, and then reach the effect of jet distance, the jet rate of regulation rivers.

Drawings

FIG. 1 is a schematic view of the overall structure in an embodiment of the present invention;

FIG. 2 is a schematic diagram of a portion of an embodiment of the present invention;

FIG. 3 is a schematic split view of a fire hose according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a first adjustment member in an embodiment of the invention;

FIG. 5 is a perspective view of the rotating part in the embodiment of the present invention;

fig. 6 is a cross-sectional view of a second adjustment member in an embodiment of the invention.

Reference numerals: 1. a fire box; 2. a water outlet; 21. an adjusting tube; 22. a mounting cavity; 23. mounting blocks; 24. a hinge plate; 25. an inner cavity; 261. an arc-shaped adjusting groove; 262. a ball block; 263. a threaded rod; 264. rotating the handle; 265. a first rotor cavity; 266. a second rotary cavity; 267. a connecting strip; 3. a fire hose; 30. a cavity; 31. an air-filled bag; 32. an inflation inlet; 33. an inflator pump; 34. a connecting pipe; 351. closing the pipe; 352. an opening; 353. a gasket; 354. a pressure gauge; 355. a spherical cavity; 356. a spherical block; 3561. a through passage; 3562. a chute; 3563. a slider; 357. pressing the pressing strip; 3571. a communication channel; 3572. a return spring; 3573. pressing the sheet; 3574. a groove; 40. a fire-fighting lance head; 41. an arc-shaped clamping groove; 42. an arc-shaped clamping strip; 43. connecting the water gun heads; 44. a bump; 451. a first limit strip; 452. and a second limit strip.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In this embodiment:

the utility model provides a fire control pipe fitting, as shown in fig. 1, fig. 2, position department at indoor wall is provided with fire hose 1, fire hose 1 adopts the mounting means of half bright semi-concealed dress to install, middle part position department is provided with the branch pipe way that is linked together with the fire pipeline in fire hose 1, the one end position department of keeping away from indoor wall at branch pipe way has seted up delivery port 2, and simultaneously, in fire hose 1, hang and have fire hose 3 in 2 lateral wall positions departments of delivery port, fire hose 3 connects through quick fire control when emergency use and installs fast.

In the present embodiment, a first adjusting component capable of adjusting the size of the opening 352 of the water outlet 2 is adjustably arranged at the position of the water outlet 2. Wherein, this first regulating assembly includes adjusting pipe 21, and is provided with first regulating part in the pipeline inner wall position department of adjusting pipe 21.

Referring to fig. 2 and 4, the first adjusting member includes a mounting cavity 22 formed in an inner wall of the adjusting tube 21, mounting blocks 23 are disposed on two sides of the inner wall of the mounting cavity 22, the mounting blocks 23 are symmetrically welded in the mounting cavity 22, hinge plates 24 are hinged at opposite ends of the two mounting blocks 23, and an inner cavity 25 is formed in each of the two mounting blocks 23, and a plurality of impermeable rubber rings are stacked in the inner cavity 25.

In addition, arc-shaped adjusting grooves 261 are symmetrically formed in the positions of the plate surfaces of the two hinge plates 24, which are far away from the water outlet end of the water outlet 2, the grooves of the arc-shaped adjusting grooves 261 are cylindrical, the two arc-shaped adjusting grooves 261 are located on the same horizontal line, the extending directions of the two arc-shaped adjusting grooves 261 are parallel to the ground, meanwhile, ball blocks 262 are connected in the arc-shaped adjusting grooves 261 in a sliding mode, and second rotating cavities 266 are formed in the positions, close to the openings 352 of the arc-shaped adjusting grooves 261, of the ball blocks 262.

In addition, a threaded rod 263 is sequentially in threaded connection with the pipe wall of the penetrating adjusting pipe 21 and the mounting block 23, the rod body position of the threaded rod 263 is located in the inner cavity 25, meanwhile, a rotating handle 264 is fixed at one end position of the threaded rod 263, which protrudes out of the inner cavity 25 and is far away from the mounting block 23, as shown in fig. 4 and 5, a first rotating cavity 265 is formed at one end position of the threaded rod 263, which penetrates into the mounting block 23, and the two ends of the threaded rod 263 are respectively connected with the first rotating cavity 265 and the second rotating cavity 266 to connect the threaded rod 263 and the ball block 262 with a connecting strip 267, the cross section of the connecting strip 267 is in an 'i' shape, and through the cooperation of the first rotating cavity 265, the second rotating cavity 266 and the connecting strip 267, when the threaded rod 263 rotates, the situation that the ball block 262 is stuck in the arc-shaped adjusting groove 261 can be avoided, so that the threaded rod 263.

The threaded rod 263 is rotated to drive the ball block 262 to displace in the arc-shaped adjusting groove 261, and the hinged plate 24 can be opened and closed for adjustment when the ball block 262 is adjusted, so that the threaded rod 263 can drive the hinged plate 24 to be opened and closed, the size of the opening 352 of the water outlet 2 can be adjusted, and the effect of adjusting the water yield of the water outlet 2 can be achieved.

In the present embodiment, a second adjusting component capable of adjusting the pipe diameter of the fire hose 3 is adjustably provided on the fire hose 3, wherein the second adjusting component includes a cavity 30 opened at an inner position of the fire hose 3, the cavity 30 is sewn inside the fire hose 3 by a cloth material having the same texture as the fire hose 3, the cavity 30 is formed at an inner wall position of the fire hose 3, and a second adjusting component is provided in the cavity 30.

Referring to fig. 3 and 6, the second adjusting member includes an air bag 31, the air bag 31 is disposed in the cavity 30, and meanwhile, the outer wall of the air bag 31 is fixed to the inner wall of the cavity 30, the expansion and contraction degree of the air bag 31 can adjust the expansion and contraction degree of the cavity 30, so as to adjust the pipe diameter size inside the fire hose 3, an air charging port 32 is formed on the air bag 31, the top end of the air charging port 32 penetrates through the outer wall of the protruding fire hose 3, an air charging pump 33 connected to a power supply is disposed in the fire fighting box 1, a connecting pipe 34 is connected between the air charging port 32 and the air charging pump 33, a sealing pipe 351 is disposed on the connecting pipe 34, in this embodiment, one end of the sealing pipe 351 is connected to the air charging port 32, and the other end of the sealing pipe 351 is connected to the connecting pipe 34.

Meanwhile, as shown in fig. 6, the closed tube 351 is T-shaped as a whole, an opening 352 communicated with the closed tube 351 is formed at a position of a protruding end of the closed tube 351 which is not connected with the inflation inlet 32 and the connection tube 34, a spherical cavity 355 is formed at a position of a crossing point of three passages in the closed tube 351, a spherical block 356 fitted with the spherical cavity 355 is provided in the spherical cavity 355, a through passage 3561 having an extending direction horizontal to a pipe extending direction of the closed tube 351 is formed through the spherical block 356, two sliding grooves 3562 are symmetrically formed through the spherical block 356 at two horizontal side walls of the through passage 3561, the extending direction of the sliding grooves 3562 is consistent with the extending direction of the opening 352 formed in the closed tube 351, a sliding block 3563 is slidably connected to both the sliding grooves 3562, and a pressing bar 357 capable of driving the sliding block 3563 to displace in the sliding groove 3562 is fixed at a position of an opposite end face of the sliding block 3563, the pressing bar 357 has a T-shape in its entirety, and the protruding end of the pressing bar 357, which is not fixed to the sliders 3563, extends through the ball 356 and protrudes to the outside from the position of the opening 352.

Referring to fig. 6, a communication channel 3571 (not shown) is formed through the pressing bar 357 at two sides thereof, the communication channel 3571 has a T-shaped cross section, an end of the communication channel 3571 not formed at two sides of the pressing bar 357 penetrates the pressing bar 357 and communicates with the external environment, the penetrating portions formed at two sides of the pressing bar 357 communicate with the internal space of the spherical cavity 355, a return spring 3572 is sleeved on an end of the pressing bar 357 protruding out of the opening 352, a pressing plate 3573 is provided at an end of the pressing bar 357 protruding out of the opening 352, the pressing bar 357 can be rotated by the pressing plate 3573 and pressed against the pressing bar 357, a groove 3574 is formed at an end of the pressing plate 3573 away from the pressing bar 357, which communicates with the communication channel 3571 to facilitate air exhaust, and a gasket is sleeved on the opening 352, this sealed gasket 353 adopts the preparation of rubber material to, sealed gasket 353 is close to the one end of spherical piece 356 and closely laminates between spherical piece 356 and spherical chamber 355, in addition, is provided with the manometer 354 that is linked together with the gasbag on sealed pipe 351, can clearly show gasbag internal gas pressure numerical value through manometer 354.

Through pressing connection of layering 357 and slider 3563, and can drive spherical block 356 and rotate in spherical chamber 355 when rotating according to layering 357, thereby can control and adjust the position of through channel 3561, reach and open and close through channel 3561, adjust the effect of sealed pipe 351 opening 352 size, and through pressing this strip 357 then can control slider 3563 and carry out the displacement on spout 3562, thereby can make the gas in spherical chamber 355 can follow through channel 3571 and leave to the external environment in, reach the effect of adjusting the gasbag 31 internal gas pressure, thereby can adjust the harmomegathus degree of gasbag 31, and adjust the pipe diameter size of fire hose 3, and can reach the velocity of flow of regulation water in fire hose 3, and then reach the effect of adjusting water jet distance.

In this embodiment, as shown in fig. 2 and 3, a third adjusting assembly capable of adjusting the size of the water sprayed from the water spraying opening of the fire hose 3 is adjustably disposed at the position of the water spraying opening of the fire hose 3, wherein the third adjusting assembly includes a fire hose head 40 disposed at the position of the water spraying opening at the end of the fire hose 3, and a third adjusting member is disposed at the position of the end of the fire hose head 40.

The third adjusting member includes an arc-shaped slot 41, two arc-shaped slots 41 are symmetrically arranged at the water spraying port position end of the fire-fighting water gun head 40, a first limit strip 451 is fixed around the edge of the arc-shaped slot 41, and arc-shaped clamping strips 42 are connected to the two arc-shaped slots 41 in a sliding manner, a second limit strip 452 (not shown in the figure) matched with the first limit strip 451 is fixed on one strip body of the arc-shaped clamping strips 42, meanwhile, a plurality of linking water gun heads 43 are fixed at the ends of the two arc-shaped clamping strips 42 far away from the fire-fighting water gun head 40, a clamping strip similar to the arc-shaped clamping strip 42 is arranged at one end of each adjacent linking water gun head 43 close to the fire-fighting water gun head 40, a clamping slot similar to the arc-shaped clamping strip 41 is arranged at the end far away from the fire-fighting water gun head 40, a clamping strip and a matching clamping slot between the adjacent linking water gun heads 43 are arranged, and the plurality of water linking gun heads 43 are, The connection water gun heads 43 are connected with the fire water gun heads 40 through arc-shaped clamping strips 42 and arc-shaped clamping grooves 41, and convex blocks 44 are fixed at the positions of two sides of the connection water gun heads 43.

The embodiment further provides an installation method of the fire fighting pipe, which includes the following steps:

step A: carefully familiarizing construction drawings, construction schemes, technologies and specific measures for safety intersection, checking the installation coordinates of the drawings and the pipeline, checking that the elevation is not proper enough in crossing or arrangement positions, reasonably installing the construction sequence, and implementing the installation preparation of the fire-fighting pipeline;

and B: performing semi-bright and semi-dark installation on the fire fighting box 1 at the reserved installation part according to the setting requirements of a drawing; the semi-transparent and semi-concealed fire box is installed in a reserved hole position which is constructed in a main body, whether the position and the size of the fire box 1 are accurate or not is checked, the reserved hole body is generally 50-100mm larger than the size of the box body, the phenomenon that the concrete construction expands a mold to influence the installation of the fire box 1 is avoided, the frame surface and the wall body are kept to be flush with the decorative surface finally when the fire box 1 is installed according to the thickness of the wall body and the design requirements, the fire box 1 is required to be aligned and found vertically when the box body is installed, the opening direction of a box door of the fire box 1 is matched and set according to the functional requirements, and the opening angle of the box door of the fire box;

and C: the fire hydrant branch pipe is installed, a rear water inlet mode is adopted according to the field condition, the central position of a water outlet 2 of the fire branch pipe is guaranteed to be 1.1m high from the ground, 140mm away from a fire box 1 frame, 100mm behind the fire box and 140mm at the bottom of the fire box, the convenience of maintenance after installation is guaranteed, meanwhile, the requirement that people and firefighters smoothly connect a connector after breaking glass is met, the fire hydrant valve is tightly connected through threads, the valve port faces outwards, and a pressure reducing hydrant is installed according to the design requirement;

step D: carrying out hydrostatic test and flushing on the system; after the installation of each fire hydrant and the installation of the valve of each subarea are finished, the system can be carried out, the strength test is carried out according to the requirement of the design working pressure, when the design pressure is less than 1.0Mpa, the test pressure is 1.5 times of the working pressure, and when the working pressure is more than 1.0Mpa, the test pressure is the working pressure plus 0.4 Mpa; meanwhile, the test point of the strength test is supposed to be arranged at the lowest point of the system, a pressure gauge for pressure test is not less than 2, the precision is not less than 1.5, and the measuring range is 1.5-2 times of the test pressure. Fully exhausting air in the fire-fighting pipeline after water is injected into the fire-fighting pipeline, slowly boosting the pressure, stabilizing the pressure for 30min after the pressure is tested, and visually inspecting the fire-fighting pipeline to be qualified after no leakage and deformation exist and the pressure drop is not more than 0.05 MPa; in addition, after the strength test is finished, flushing the fire fighting pipeline, and after the flushing is qualified, carrying out a tightness test, wherein the test pressure is working pressure, the pressure is stabilized for 24 hours, and each interface of the system is qualified without leakage phenomenon;

step E: installing accessories in the fire box 1, placing the fire hose 3 in a roll, placing the fire-fighting water gun head 40 and the connecting water gun head 43, and checking whether a sealing assembly in a bolt port is complete;

step F: after the fire fighting system and the water supply system of the water pump are finished, a linkage test is carried out, the closing condition of the bolt valves in each box is checked, the water pump is started to carry out three-position injection pressure test, whether the water gun is full or not is observed, and whether the length of the water column meets the requirement or not is observed.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment as necessary without making a contribution thereto after reading the present specification, but all are protected by patent laws within the scope of the claims of the present invention.

Claims (10)

1. A fire fighting pipe, comprising: the fire-fighting box (1) is arranged on the indoor wall body; a water outlet (2) which is arranged in the fire box (1) and is connected with a fire pipeline; the fire hose (3) is hung on the side wall of the water outlet (2) and is positioned in the fire box (1), and is characterized in that a first adjusting component for adjusting the size of an opening (352) of the water outlet (2) is adjustably arranged at the position of the water outlet (2); a second adjusting assembly which is used for adjusting the pipe diameter size of the fire hose (3) is adjustably arranged on the fire hose (3); and a third adjusting component which is arranged at the position of the water spraying opening of the fire hose (3) in an adjustable way and is used for adjusting the water spraying size of the water spraying opening of the fire hose (3),

wherein the first adjustment assembly comprises: an adjusting pipe (21) arranged at the position of the water outlet (2); and a first adjusting piece arranged at the position of the inner wall of the pipeline of the adjusting pipe (21);

the second adjustment assembly includes: a cavity (30) arranged at an inner position of the fire hose (3); and a second adjustment member disposed in the cavity (30);

the third adjustment assembly includes: the fire-fighting water gun head (40) is arranged at the position of a water spray opening at the end part of the fire-fighting water hose (3); and a third adjustment member provided at the fire hose head (40).

2. A fire fighting pipe as defined in claim 1, wherein the first adjustment member includes: an installation cavity (22) arranged on the inner wall of the adjusting pipe (21); the mounting blocks (23) are arranged on two sides of the inner wall of the mounting cavity (22); two hinge plates (24) symmetrically hinged at the opposite end positions of the two mounting blocks (23); an inner cavity (25) arranged in the mounting block (23); and the first driving part is arranged in the inner cavity (25) and used for driving the hinged plate (24) to open and close so as to adjust the opening size of the water outlet (2).

3. A fire fighting pipe as recited in claim 2, wherein said first driving portion comprises: arc-shaped adjusting grooves (261) symmetrically formed in the plate surfaces of the two hinge plates (24) on one side far away from the water outlet end of the water outlet (2); a ball block (262) connected in the arc-shaped adjusting groove (261) in a sliding way; the screw thread is connected with a threaded rod (263) which penetrates through the pipe wall of the adjusting pipe (21), the mounting block (23) and is positioned in the inner cavity (25); a turning handle (264) arranged at one end of the threaded rod (263) far away from the ball block (262); and the rotating part is arranged at one end of the threaded rod (263) close to the ball block (262) and is rotationally connected with the ball block (262).

4. A fire fighting pipe as recited in claim 3, wherein said rotating portion comprises: a first rotating cavity (265) formed at one end of the threaded rod (263) close to the ball block (262); a second rotating cavity (266) arranged at one end of the ball block (262) close to the threaded rod (263); and one end of the connecting strip (267) is arranged in the first rotating cavity (265), the other end of the connecting strip is arranged in the second rotating cavity (266), and the cross section of the connecting strip is I-shaped.

5. A fire fighting pipe as defined in claim 1, wherein the second adjustment member includes: the air inflation bag (31) is arranged in the cavity (30) and is fixed with the inner wall of the cavity (30); an inflation opening (32) which is arranged on the inflation bag (31) and penetrates through the fire hose (3) to protrude; the inflator pump (33) is arranged in the fire box (1) and is connected with a power supply; a connecting pipe (34) with one end connected with the inflation port (32) and one end connected with the inflation pump (33); and a closing member installed on the connection tube (34) for opening and closing the air charging port (32).

6. The fire hose of claim 5, wherein the closure comprises: a T-shaped closed tube (351) with one end connected to the inflation port (32) and the other end connected to the connecting tube (34); an opening (352) which is arranged at the protruding end of the side wall of the closed pipe (351) and is communicated with the closed pipe (351); a gas control member rotatably disposed within the containment tube (351) through the opening (352); a seal gasket (353) having an end ring fitted over the opening (352) and engaging the gas control member; and a pressure gauge (354) disposed on the containment tube (351).

7. A fire fighting pipe according to claim 6, wherein the gas control includes: a spherical cavity (355) opened in the closed tube (351); a spherical block (356) disposed in the spherical cavity (355) and adapted to the spherical cavity (355); a penetrating channel (3561) which penetrates through the spherical block (356) and has an extending direction horizontal to the extending direction of the closed pipe (351); the two sliding grooves (3562) symmetrically penetrate through the spherical block (356), are positioned on two horizontal side walls of the penetrating channel (3561), and extend upwards along the vertical direction; a sliding block (3563) connected in the sliding groove (3562) in a sliding way; the pressing strip (357) is integrally T-shaped, two ends of the pressing strip are respectively fixed with the two sliding blocks (3563), the top of the pressing strip penetrates through the spherical block (356) and extends out of the opening (352); a communicating channel (3571) communicated with the inner space of the spherical cavity (355) and penetrating through the two sides of the pressing strip (357), wherein the top of the communicating channel is communicated with the outside; a return spring (3572) sleeved at the extending end of the pressing bar (357); a pressing sheet (3573) fixed at the edge of the extending end part of the pressing strip (357); and a groove (3574) which is opened at the top of the pressing sheet (3573) and is communicated with the communication channel (3571).

8. A fire fighting pipe as defined in claim 1, wherein the third adjustment member includes: the arc-shaped clamping grooves (41) are symmetrically formed in the water spraying port position end of the fire-fighting lance head (40); the two arc-shaped clamping strips (42) are symmetrically connected to the arc-shaped clamping grooves (41) in a sliding manner; a jointed water gun head (43) fixed at one end of the two arc-shaped clamping strips (42) far away from the fire water gun head (40); and the limiting parts are arranged on the arc-shaped clamping grooves (41), and convex blocks (44) are fixed at positions on two sides of the jointed water gun head (43).

9. A fire fighting pipe as defined in claim 1, wherein the retainer includes: the first limiting strip (451) is fixed at the edge of the arc-shaped clamping groove (41) in a surrounding manner; and a second limit strip (452) fixed on the strip body on one side of the arc-shaped clamping strip (42), wherein the first limit strip (451) and the second limit strip (452) are mutually clamped.

10. A method of installing fire fighting pipe, based on the fire fighting pipe of any one of claims 1 to 9, comprising the steps of,

step A: carefully familiarizing construction drawings, construction schemes, technologies and specific measures for safety intersection, checking the installation coordinates of the drawings and the pipeline, checking that the elevation is not proper enough in crossing or arrangement positions, reasonably installing the construction sequence, and implementing the installation preparation of the fire-fighting pipeline;

and B: semi-bright and semi-dark installation is carried out on the fire box (1) at the reserved installation position according to the setting requirements of a drawing;

and C: the fire hydrant branch pipe is installed, a rear water inlet mode is adopted according to the field condition, the height of the center position of a water outlet (2) of the fire hydrant branch pipe from the ground is 1.1m, the distance from the center position to a frame of a fire box (1) is 140mm, the distance from the center position to the rear of the fire box is 100mm, and the bottom of the frame is 140mm, so that the convenience of maintenance after installation is ensured, meanwhile, the requirement that people and firefighters smoothly connect a connecting port after breaking glass is met, the threaded connection of a fire hydrant valve is tight, a valve port faces outwards, and;

step D: carrying out hydrostatic test and flushing on the system;

step E: the method comprises the following steps of installing accessories in a fire box (1), placing a fire hose (3) in a roll, placing a fire hose head (40) and a connecting hose head (43), and checking whether a sealing assembly in a hydrant port is complete;

step F: after the fire fighting system and the water supply system of the water pump are finished, a linkage test is carried out, the closing condition of the bolt valves in each box is checked, the water pump is started to carry out three-position injection pressure test, whether the water gun is full or not is observed, and whether the length of the water column meets the requirement or not is observed.

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