CN111648442A

CN111648442A - Outdoor water leakage self-sealing fire hydrant

Info

Publication number: CN111648442A
Application number: CN202010499937.3A
Authority: CN
Inventors: 冯春伦
Original assignee: Individual
Current assignee: Jinan Sijian Group Intelligent Fire Engineering Co ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-09-11
Anticipated expiration: 2040-06-04
Also published as: CN111648442B

Abstract

The invention relates to the technical field of safe fire fighting, and discloses an outdoor water-leakage self-sealing fire hydrant, which comprises an upper shell and a lower shell buried on the ground surface, wherein the upper shell is communicated with the lower shell, a hose is arranged at the inner ring of the lower shell, the top of the hose is arc-shaped, a support rod is arranged in the hose, a water storage pipe is arranged at the outer ring of the support rod, the outer wall of the support rod and the inner wall of the water storage pipe are installed in a sleeved mode, and the tail end of the water storage pipe is provided with a water inlet. This outdoor self-sealing formula fire hydrant, through the setting of hose, make down the casing have the stereoplasm water pipe to change into stereoplasm and soft combination formula aqueduct, make down the casing fracture the back, the hose continues to act as the effect of water conservancy diversion, reduce the velocity of flow at water source, simultaneously through the setting of arc tube and water storage pipe, make the casing fracture the back, the rivers in the arc tube compression water storage pipe flow to the gasbag in, make the gasbag constantly enlarge, thereby the export of shutoff hose, and then the flow of jam rivers.

Description

Outdoor water leakage self-sealing fire hydrant

Technical Field

The invention relates to the technical field of safety fire fighting, in particular to an outdoor water leakage self-closing fire hydrant.

Background

A fire hydrant is called fire hydrant in formal name, and is a fixed fire-fighting device which mainly has the functions of controlling combustible substances, isolating combustion-supporting substances and eliminating a fire source.

The fire hydrant is generally divided into an indoor fire hydrant and an outdoor fire hydrant, the outdoor fire hydrant mainly comprises a pipe body, a water pump and a water source, and is mainly installed on two sides of a road or a street to provide emergency water sources for fire extinguishing, but vehicles and pedestrians are numerous in downtown areas, so that the vehicles are easy to approach two sides of the road when avoiding pedestrians, when the vehicles driven on the road are out of control or are not operated properly, the fire hydrant is easy to collide, the fire hydrant is deformed under force, the position where the upper shell is connected with the lower shell is torn, the pipe body on the lower portion of the fire hydrant is broken under force, the fire hydrant cannot flow around the water source, the water source inside the fire hydrant is sprayed outwards, further, the loss of a large amount of water sources is caused, the normal use of the street is influenced, the space between the pedestrians and the vehicles is reduced, and the arrival time of maintenance personnel is further influenced, the maintenance degree of difficulty that increases the fire hydrant, and the casing buries inside the earth's surface under the fire hydrant, receives humid environment's influence, and the junction corrodes easily, appears leaking the phenomenon, further causes the water source unnecessary extravagant.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an outdoor water leakage self-closing fire hydrant, which has the advantages of automatic closing after water leakage and automatic closing after rupture, solves the problem that the fire hydrant is easy to collide when vehicles driven on a road are out of control or the operation is not proper, so that the fire hydrant is stressed and deformed, thereby tearing the connecting position of the upper shell and the lower shell, causing the fire hydrant shell to be stressed and broken, the fire hydrant can not flow in the bound water source, causing the water source in the fire hydrant to be sprayed outwards, thereby causing the loss of a large amount of water sources, affecting the normal use of streets, reducing the space between pedestrians and vehicles, further affecting the arrival time of maintenance personnel, increasing the maintenance difficulty of the fire hydrant, and the lower casing of the fire hydrant is buried in the ground surface and is influenced by the humid environment, the joint is easy to corrode, the phenomenon of water leakage occurs, and the problem of unnecessary waste of water sources is further caused.

The invention provides the following technical scheme: the utility model provides an outdoor water leakage self-sealing type fire hydrant, includes the casing and buries in the lower casing of earth's surface, go up casing and casing through connection down, the hose is installed to the inner circle department of casing down, the top shape of hose is the arc, install the bracing piece in the hose, the outer lane department of bracing piece is provided with the retaining pipe, the outer wall of bracing piece is installed for cup jointing with the inner wall of retaining pipe, and the end of retaining pipe has seted up the inlet opening, the arc pipe is installed to the bottom of retaining pipe, is provided with the elasticity ring between per two retaining pipes, the retaining pipe constitutes the breather pipe with the elasticity ring, the top intercommunication of retaining pipe has the gasbag.

Preferably, the middle part of arc pipe inner circle is "round convex" and when atress sunken to the inboard, telescopic coil is installed to the both sides of arc pipe, telescopic coil is the cavity form and extends to the outside when aerifing, the inner circle department of arc pipe is provided with the piston piece, the piston piece is the arc when compressing, and has seted up the water conservancy diversion hole on the piston piece and be used for lining up of air.

Preferably, the shape of gasbag is the arc, gasbag initial condition is less than the play basin that the hose top was seted up, the gasbag fills the play basin that the water back was seted up at the hose top that is greater than, and the material of gasbag is elastic silica gel, the top of gasbag is connected with the aqueduct, the material of aqueduct is the silica gel hose, the top of aqueduct is equipped with the piston.

Preferably, a buffering ring positioned at the bottom of the air bag is installed in the hose, and the radian of the inner ring of the buffering ring is smaller than that of the outer ring of the telescopic coil pipe.

The invention has the following beneficial effects:

1. this outdoor self-sealing formula fire hydrant, setting through the hose, make the casing have the stereoplasm water pipe to change into stereoplasm and soft combination formula aqueduct down, make the casing fracture the back down, the hose continues to act as the effect of water conservancy diversion, reduce the velocity of flow at water source, simultaneously through the setting of arc pipe and water storage pipe, make the casing fracture the back, rivers in the arc pipe compression water storage pipe, flow to in the gasbag, make the gasbag constantly enlarge, thereby the export of shutoff hose, and then the flow of jam rivers, make the fire hydrant after the fracture automatic closure, the waste of water resource unnecessary has been solved.

2. This outdoor self-sealing formula fire hydrant, design through the piston piece, make the fire hydrant in the ruptured while, rivers receive the influence of atmospheric pressure, upwards flow in the twinkling of an eye, thereby extrude the bottom of arc pipe, make the inside air transmission of arc pipe to the expansion coil, and then increase the area of arc pipe, make the arc pipe upwards remove in the twinkling of an eye, pack the rivers in the water storage pipe to the gasbag, after casing and last casing junction leaked down, the arc pipe received the removal of rivers and moves up gradually, thereby continue to enlarge the area of gasbag, block the loss at water source.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partially enlarged schematic view of FIG. 1;

FIG. 3 is a schematic diagram of a deformed structure of an arc tube;

fig. 4 is a schematic top view of the buffer ring.

In the figure: 1. an upper housing; 2. a lower housing; 3. a hose; 4. a support bar; 5. a water storage pipe; 6. an arc tube; 7. a telescopic coil pipe; 8. a piston plate; 9. a flow guide hole; 10. an elastic ring; 11. a buffer ring; 12. an air bag; 13. a water conduit.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an outdoor water-leaking self-sealing fire hydrant comprises an upper casing 1 and a lower casing 2 buried on the ground surface, wherein the upper casing 1 is connected with the lower casing 2 in a through manner, a hose 3 is installed at an inner ring of the lower casing 2, an outer ring of the hose 3 is in contact with the inner ring of the lower casing 2, the hose 3 is arranged in a water guide pipe of the lower casing 2, the hose 3 is arc-shaped and provided with a water outlet at the top, a support rod 4 is installed in the hose 3, the support rod 4 is connected with the inner wall of the hose 3 through a support rod, the support rod is arranged at the position where the hose 3 is connected with the support rod 4 in a triangular manner, a water storage pipe 5 is arranged at the outer ring of the support rod 4, the outer wall of the support rod 4 and the inner wall of the water storage pipe 5 are installed in a sleeved manner, the water storage pipe 5 can slide up and, the water inlet holes are only arranged at the tail end of the water storage pipe 5 and are positioned above the arc-shaped pipe 6, so that water flow can enter the water storage pipe 5 conveniently, the water storage pipe 5 is filled with liquid, the arc-shaped pipe 6 is arranged at the bottom of the water storage pipe 5, the arc-shaped pipe 6 is in sliding connection with the support rod 4 and is mainly used for stabilizing the stability of the arc-shaped pipe 6 when the arc-shaped pipe 6 moves upwards and preventing the arc-shaped pipe 6 from shaking, so that the water storage pipe 5 is deformed conveniently according to the flow of the water flow, when the water flow flows, the water storage pipe 5 is driven to move upwards, an elastic ring 10 is arranged between every two water storage pipes 5, the elastic ring 10 is hollow, so that the water flow can enter the elastic ring, the initial state can be recovered again after the water storage pipe 5 is used, the water storage pipe 5 and the elastic ring 10 form a vent pipe which is similar to a corrugated pipe and, the air bag 12 is arranged at the top end of the support rod 4, the top end of the water storage pipe 5 is as high as the top end of the support rod 4, and the top end of the water storage pipe 5 is connected with the top end of the support rod 4 in a mode of connecting the buffer ring 11 with the support rod 4.

In the technical scheme, the middle part of the inner ring of the arc-shaped pipe 6 is in a round convex shape and is sunken towards the inner side when stressed, the larger the impact of water flow is through the movable design of the bottom of the arc-shaped pipe 6, the larger the volume of the arc-shaped pipe 6 is, so that the contact area between the arc-shaped pipe 6 and the water flow is increased, the arc-shaped pipe 6 is convenient to move upwards quickly, the telescopic coil pipes 7 are installed on two sides of the arc-shaped pipe 6, the telescopic coil pipes 7 are similar to the rolling tongues, when the telescopic coil pipes 7 are inflated, the telescopic coil pipes 7 are in a straight state and become a disc shape when the air is closed, the telescopic coil pipes 7 are hollow and extend towards the outer side when the air is inflated, the piston sheets 8 are arranged at the inner ring of the arc-shaped pipe 6, the piston sheets 8 are elastic rubber, so as to provide elasticity, the arc-shaped pipe 6 is enabled to, and the piston piece 8 is provided with a flow guide hole 9 for communicating air, so that the air can flow conveniently.

In the technical scheme, the shape of the air bag 12 is arc-shaped, the initial state of the air bag 12 is smaller than that of a water outlet groove arranged at the top of the hose 3, the initial state of the air bag 12 is smaller, when the liquid in the water storage pipe 5 is half flushed, the volume is larger than that of the water outlet groove, the air bag 12 is larger than the water outlet groove arranged at the top of the hose 3 after being filled with water, the air bag 12 is made of elastic silica gel, the top end of the air bag 12 is connected with a water guide pipe 13, the water guide pipe 13 is made of a silica gel hose, a piston is arranged at the top end of the water guide pipe 13, the design of the water guide pipe 13 is convenient for discharging gas contained in liquid, the water is filled in the air bag 12 or the water content in the air bag 12 is high, the water can be discharged through the water guide pipe 13, the water guide pipe 13 does not contain water in the initial state, and when the fire hydrant is normally used, the water in the air bag 12 can be guided into the water guide pipe 13 by opening the piston.

In this technical scheme, install the buffering circle 11 that is located gasbag 12 bottom in the hose 3, buffering circle 11 passes through the A-frame with bracing piece 4 and is connected, and buffering circle 11 is the opening form, the radian of buffering circle 11 inner circle is less than the radian of expansion coil 7 outer lane, and the impact force of arc pipe 6 is slowed down in the contact of mainly used arc pipe 6 and buffering circle 11, reduces the extrusion force that retaining pipe 5 received simultaneously.

Theory of operation, after the fire hydrant is strikeed, the casing is broken, water pressure is released in the twinkling of an eye, cause the rivers upwards to surge in the twinkling of an eye, then begin to drive the 6 rebound of arc pipe, at the removal in-process, rivers extrusion arc pipe 6's bottom, make inside piston piece 8 deformation, then impress gas in expansion coil 7, it extends to drive expansion coil 7, then arc pipe 6 continues the rebound, because the inlet opening of seting up on the water storage pipe 5, make being full of liquid in the water storage pipe 5, thereby drive in the liquid inflow gasbag 12 in the water storage pipe 5, make gasbag 12 constantly expand, thereby the export of shutoff hose 3, after the fire hydrant leaks, rivers constantly surge and drive arc pipe 6 and move up, repeat the volume that above-mentioned operation can increase gasbag 12, thereby shutoff hose 3.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an outdoor hourglass self-sealing formula fire hydrant, includes casing (1) and buries in lower casing (2) on earth's surface, go up casing (1) and casing (2) through connection down, its characterized in that: hose (3) are installed to the inner circle department of casing (2) down, the top shape of hose (3) is the arc, install bracing piece (4) in hose (3), the outer lane department of bracing piece (4) is provided with water storage pipe (5), the outer wall of bracing piece (4) is installed for cup jointing with the inner wall of water storage pipe (5), and the end of water storage pipe (5) has seted up the inlet opening, arc pipe (6) are installed to the bottom of water storage pipe (5), are provided with between per two water storage pipes (5) elastic ring (10), the breather pipe is constituteed with elastic ring (10) to water storage pipe (5), the top intercommunication of water storage pipe (5) has gasbag (12).

2. An outdoor water-leaking self-closing fire hydrant according to claim 1, characterized in that: the middle part of arc pipe (6) inner circle is "round convex" and when atress sunken to the inboard, expansion coil (7) are installed to the both sides of arc pipe (6), expansion coil (7) are the cavity form and extend to the outside when aerifing, the inner circle department of arc pipe (6) is provided with piston piece (8), be the arc when piston piece (8) compress, and seted up guiding hole (9) on piston piece (8) and be used for lining up of air.

3. An outdoor water-leaking self-closing fire hydrant according to claim 1, characterized in that: the shape of gasbag (12) is the arc, gasbag (12) initial state is less than the basin of giving out water that hose (3) top was seted up, gasbag (12) fill water the back be greater than the basin of giving out water that hose (3) top was seted up, and the material of gasbag (12) is elastic silica gel, the top of gasbag (12) is connected with aqueduct (13), the material of aqueduct (13) is the silica gel hose, the top of aqueduct (13) is equipped with the piston.

4. An outdoor water-leaking self-closing fire hydrant according to claim 1, characterized in that: the flexible pipe is characterized in that a buffer ring (11) located at the bottom of the air bag (12) is installed in the flexible pipe (3), and the radian of the inner ring of the buffer ring (11) is smaller than that of the outer ring of the telescopic coil pipe (7).