CN217139076U

CN217139076U - Fire hydrant water pressure detection device

Info

Publication number: CN217139076U
Application number: CN202221146873.XU
Authority: CN
Inventors: 思斌; 李树鹏; 乔栩菲; 李延平; 刘亮; 杨彦宁; 申延亮; 李云燕
Original assignee: Shaanxi Qinbei Inspection And Testing Co ltd
Current assignee: Shaanxi Qinbei Inspection And Testing Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-08-09
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a fire hydrant water pressure detection device, which comprises a pipe body, wherein one end of the pipe body is connected with a water outlet pipe of the fire hydrant, and the other end of the pipe body is connected with a pressure detection assembly; the flow choking piece is arranged in the pipe body and slides along the axial direction of the pipe body; the cover body is arranged on one side of the tip end of the flow resisting piece and connected with the pipe body; pressure measurement subassembly includes pressure sensor, sets up in the lid for detect the pressure of choker, the extrusion head is connected at the pointed end of choker, pressure sensor still includes the inductive probe who corresponds the setting with the extrusion head, inductive probe and the interior wall connection of lid, the utility model discloses a be connected the body with the fire hydrant, connect the choker through limit structure in the body, the extrusion head is connected at the pointed end of choker, one side of extrusion head corresponds and sets up pressure sensor, is used for detecting the pressure of extrusion head, thereby detect the water pressure that water pressure promoted the choker, conveniently in time detect and observe the water pressure of fire hydrant, make fire rescue work can ensure.

Description

Fire hydrant water pressure detection device

Technical Field

The utility model relates to a water pressure detection device technical field, in particular to fire hydrant water pressure detection device.

Background

The fire hydrant is a fixed fire fighting device, mainly used for controlling combustibles, isolating combustion-supporting substances and eliminating ignition sources, mainly used for fire fighting vehicles to take water from a municipal water supply network or an outdoor fire-fighting water supply network to put out a fire, and generally divided into a temporary high-pressure fire hydrant and a normal-pressure fire hydrant.

The temporary high-pressure fire hydrant is characterized in that the pressure in the pipeline is low at ordinary times, the water pressure and the flow cannot meet the most unfavorable fire extinguishing requirement, when a fire is in a fire, the fire pump is automatically started, and pressure stabilizing facilities such as a roof fire water tank and an air pressure tank supplement water for the system, so that the system becomes high pressure, and fire extinguishment is realized.

The normal-pressure fire hydrant is characterized in that enough pressure and fire-fighting water consumption are often kept in a pipe network, a fire hydrant pump starting button is not generally arranged, fire fighting equipment such as a fire truck or other mobile water pumps is not required to be used for pressurization in case of fire, and the fire extinguishing requirement of a water gun can be met by directly connecting a water outlet hose by the fire hydrant.

Some fire extinguishing fire trucks are limited in water carrying capacity, and need to find a water source urgently during fire extinguishing, and at the moment, the fire hydrant plays an important role in water supply.

However, in real life, because some units and individuals have low fire safety awareness, some fire hydrants are damaged, some fire hydrants even cut off water supply or supply water is extremely low, and under the condition of long-time non-use, the water pressure in a fire hydrant pipeline is unknown, so that inconvenience is brought to fire rescue work, and precious life rescue time is easily delayed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current fire hydrant under long-time unused state, water pressure in the fire hydrant pipeline is unknown, has brought inconvenient problem for conflagration rescue work, provides a fire hydrant water pressure detection device.

The utility model provides a pair of fire hydrant water pressure detection device, include:

one end of the pipe body is communicated with a water outlet pipe of the fire hydrant, and the other end of the pipe body is provided with a pressure detection assembly;

the flow resisting part is arranged in the pipe body and can slide along the axial direction of the pipe body, the outer peripheral surface of the flow resisting part is matched with the shape of the inner wall of the pipe body, and a tip is arranged on one side, close to the pressure detection assembly, of the flow resisting part;

the lid deviates from the one end fixed connection of fire hydrant outlet pipe with the body, the pressure measurement subassembly sets up in the lid inboard or sets up in the most advanced one side of choked flow piece for detect the choked flow piece when receiving water impact's pressure.

Preferably, the choke piece sets up to the toper, and the pointed end fixedly connected with extrusion head of choke piece, pressure measurement subassembly includes the inductive probe who corresponds the setting with extrusion head, and inductive probe passes through the link and is connected with the inner wall of lid.

Preferably, still include limit structure, it includes the inner tube, and the inner tube setting is in the body, with the inner wall fixed connection of body, the spout has been seted up along the axial of inner tube to the inner wall of inner tube, it is provided with the slider to slide in the spout, slider and choked flow spare fixed connection.

Preferably, the slide slot is arranged to have a length sufficient to allow the tip of the resistive element to slide until the tip abuts against the inductive probe.

Preferably, the sliding part is a ring part, and the outer peripheral surface of the ring part is provided with a sealing ring.

Preferably, an observation window for observing the pressure value detected by the pressure detection assembly is arranged on the cover body.

Preferably, still include the connecting pipe, set up the one end that deviates from the lid at the body, the one end that the connecting pipe deviates from the body is dismantled and is connected with the registration arm, and the one end that the registration arm deviates from the connecting pipe is connected with the centre gripping pipe.

Preferably, the locating pipe is sleeved outside the connecting pipe, a limiting ring is sleeved on the outer peripheral surface of one side, close to the pipe body, of the connecting pipe, a plurality of limiting holes are formed in the peripheral surface of the clamping pipe, a rod body is connected in each limiting hole, and one end, located inside the clamping pipe, of the rod body is connected with the limiting block.

Preferably, the fire hydrant further comprises a flow guide part, wherein the flow guide part is arranged at one side, close to the water outlet pipe of the fire hydrant, in the pipe body, one side of the flow guide part is fixedly connected with the inner wall of the pipe body, and the other side of the flow guide part inclines towards the flow choking part.

Compared with the prior art, the utility model provides a pair of fire hydrant water pressure detection device, its beneficial effect is:

1. the utility model discloses a be connected body and fire hydrant, at body in-connection choked flow spare, the extrusion head is connected to the pointed end of choked flow spare, and one side correspondence of extrusion head sets up pressure sensor, is used for detecting the pressure of extrusion head to detect the rivers pressure that water pressure promoted the choked flow spare, conveniently in time detect and observe the water pressure of fire hydrant, make conflagration rescue work can ensure.

2. The utility model discloses a set up the choker into the toper, set up the extrusion head at the pointed end of choker, can concentrate water pressure to a bit, it is more accurate to hydraulic detection.

3. The utility model discloses well body passes through the connecting pipe and the registration arm is connected, conveniently is connected to the fire hydrant with the body on, through setting up the centre gripping pipe, has guaranteed the stability and the security that the body is connected to fire hydrant department.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the tube body structure of the present invention;

FIG. 3 is a schematic sectional view of the cover structure of the present invention;

fig. 4 is a schematic sectional view of the structure of the clamping tube according to the present invention.

Description of reference numerals:

1. a pipe body; 2. a positioning tube; 3. a limiting ring; 4. a reinforcing ring; 5. fixing the bolt; 6. a reinforcement layer; 7. a cover body; 8. a connecting frame; 9. a pressure detection assembly; 10. clamping the tube; 11. a rod body; 12. a limiting block; 13. a connecting pipe; 14. a flow guide member; 15. a pressure relief pipe; 16. a pressure relief valve; 17. an inner tube; 18. a chute; 19. a slider; 20. a flow-impeding component; 21. an extrusion head; 22. an observation window; 23. an inductive probe; 24. a threaded ring.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings 1-4, but it should be understood that the scope of the present invention is not limited by the following detailed description.

As shown in fig. 1 to 4, the utility model provides a fire hydrant water pressure detecting device, which comprises a pipe body 1, one end of which is communicated with a water outlet pipe of the fire hydrant, and the other end of which is provided with a pressure detecting component; the flow resisting piece 20 is arranged in the pipe body 1 and can slide along the axial direction of the pipe body 1, the outer peripheral surface of the flow resisting piece 20 is matched with the shape of the inner wall of the pipe body 1, and a tip end is arranged on one side, close to the pressure detection assembly, of the flow resisting piece 20; lid 7, the one end fixed connection who deviates from the fire hydrant outlet pipe with body 1, pressure measurement subassembly 9 sets up in lid 7 inboard or sets up in the most advanced one side of choked flow piece 20 for detect the choked flow piece 20 pressure when receiving water impact.

When using, through the one end that deviates from body 7 with body 1 and the water piping connection of fire hydrant, water pressure in the fire hydrant promotes choked flow piece 20 and removes, and pressure detection subassembly 9 detects choked flow piece 20's pressure, detects the water pressure value in the fire hydrant promptly, sets up most advanced with choked flow piece 20 one side that is close to pressure detection subassembly, can concentrate on one point with the pressure of rivers for it is more accurate to detect.

In order to concentrate pressure on one point, facilitate detection and avoid inaccurate and inconvenient calculation caused by detection of multipoint data, the choke piece 20 is arranged in a conical shape, the extrusion head 21 is fixedly connected to the tip end of the choke piece 20, the pressure detection assembly comprises a pressure sensor, the pressure sensor further comprises an induction probe 23 correspondingly arranged with the extrusion head 21, and the induction probe 23 is connected with the inner wall of the cover body 7 through the connecting frame 8.

Further, limit structure include inner tube 17, and inner tube 17 sets up in body 1, with the inner wall fixed connection of body 1, and spout 18 has been seted up along its axial to the inner wall of inner tube 17, and it is provided with slider 19 to slide in the spout 18, and slider 19 and choked flow piece 20 fixed connection, the length of spout 18 sets up to enough make choked flow piece 20's most advanced slide to the length that tightly supports inductive probe.

When the water pressure strikes the spoiler 20, the spoiler 20 moves the slider 19 along the slide groove 18 in the direction of the cover 7.

In order to prevent water from flowing from the gap between the flow blocking element 20 and the inner tube 17 to the side of the pipe body 1 close to the pressure detection assembly, the sliding element 19 is arranged on the ring element, and a sealing element is arranged on the outer circumferential surface of the ring element, so that the sealing performance between the flow blocking element 20 and the pipe body 1 is ensured while the sliding element 19 slides.

In order to facilitate the connection of the detection device and the fire hydrant, one end of the pipe body 1 departing from the cover body 7 is connected with a connecting pipe 13, one end of the connecting pipe 13 departing from the pipe body 1 is detachably connected with a positioning pipe 2, one end of the positioning pipe 2 departing from the connecting pipe 13 is connected with a clamping pipe 10, and the clamping pipe 10 is fixedly connected with the fire hydrant.

Further, 2 suits of registration arm are outside connecting pipe 13, registration arm 2 and connecting pipe 13 threaded connection, and the outer peripheral face cover that connecting pipe 13 is close to body 1 one side is equipped with spacing ring 3, and a plurality of spacing holes have been seted up to centre gripping pipe 10 global, and spacing downthehole is connected with the body of rod 11, and the body of rod 11 is located the inside one end of centre gripping pipe 10 and connects stopper 12.

When using, be connected connecting pipe 13 and registration arm 2, move towards registration arm 2 and remove, promote the body of rod 11 on one side simultaneously, make stopper 12 inwardly movement, connecting pipe 13 moves to between stopper 12 and the centre gripping pipe 10 this moment, and combined action carries out the centre gripping to connecting pipe 13 between stopper 12 and the centre gripping pipe 10.

Furthermore, one end of the rod body 11, which is located outside the clamping tube 10, is connected with a push plate, and an elastic member is connected between the push plate and the outer wall of the clamping tube 10.

Under the effect of elastic component, combined action is tighter to connecting pipe 13 centre gripping between stopper 12 and the centre gripping pipe 10, avoids water pressure to impact the loose connection of ground with connecting pipe 13.

In order to observe the detection data of the pressure sensor, the cover 7 is provided with an observation window 22, one end of the cover 7 facing the pipe body 1 is connected with a threaded ring 24, and the threaded ring 24 is screwed on the end of the pipe body 1.

In order to make water pressure detection more accurate, avoid limit structure to stop of rivers to lead to water pressure to detect inaccurately, still include water conservancy diversion spare 14, water conservancy diversion spare 14 sets up the one side that is close to the fire hydrant outlet pipe in body 1, one side of water conservancy diversion spare 14 and the inner wall fixed connection of body 1, and one side inclines to choked flow 20 in addition.

By arranging the flow guide part 14, water in the fire hydrant is guided into the flow blocking part 20, and the detection of the water pressure is more accurate.

Further, a pressure relief pipe 15 is connected to the circumferential surface of the pipe body 1, the pressure relief pipe 15 is located between the diversion part 14 and the flow blocking part 20, and a pressure relief valve 16 is arranged on the pressure relief pipe 15.

When the pressure relief pipe is used, the pressure relief pipe 15 is connected with a fire water pipe, and when the water pressure of the fire hydrant is too high, the pressure relief pipe 15 can also be used for pressure relief.

In order to strengthen the steadiness and the security of overall structure, the outer surface of body 1 has cup jointed reinforcing ring 4, reinforcing ring 4's surface screw thread through connection has a plurality of fixing bolt 5, the inside of body 1 is provided with back up coat 6, and fixing bolt 5's front end threaded connection is in back up coat 6 inside.

Application method and working principle

The utility model provides a fire hydrant water pressure detection device theory of operation, when using, connect connecting pipe 13 and registration arm 2, move towards registration arm 2 interior, promote body of rod 11 simultaneously, make stopper 12 move inwards, connecting pipe 13 moves to between stopper 12 and the centre gripping pipe 10 at this moment, stopper 12 and centre gripping pipe 10 between the combined action carry out the centre gripping to connecting pipe 13, install the device to the outlet pipe department of fire hydrant through registration arm 2 and connecting pipe 13, open the outlet pipe of fire hydrant, after rivers rush into body 1, water pressure strikes choked flow piece 20, choked flow piece 20 drives slider 19 to move along spout 18 towards the direction of lid 7, then can be through the setting of extrusion head 21, make it extrude touching inductive probe 23, make it conduct rivers pressure to pressure detection component 9, thereby accessible pressure sensor plays the effect that detects to water pressure, and the value on the pressure sensor can be conveniently observed through the arrangement of the observation window 22.

The utility model discloses a be connected body and fire hydrant, through limit structure connection choker in the body, the extrusion head is connected to the pointed end of choker, and one side correspondence of extrusion head sets up pressure sensor, is used for detecting the pressure of extrusion head to detect the rivers pressure that water pressure promoted the choker, conveniently in time detect and observe the water pressure of fire hydrant, make conflagration rescue work can ensure.

The above disclosure is only for the preferred embodiments of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.

Claims

1. A fire hydrant water pressure detecting device is characterized by comprising:

one end of the pipe body (1) is communicated with a water outlet pipe of the fire hydrant, and the other end of the pipe body is provided with a pressure detection assembly;

the flow resisting piece (20) is arranged in the pipe body (1) and can slide along the axial direction of the pipe body (1), the outer peripheral surface of the flow resisting piece (20) is matched with the shape of the inner wall of the pipe body (1), and a tip end is arranged on one side, close to the pressure detection assembly, of the flow resisting piece (20);

lid (7), the one end fixed connection who deviates from the fire hydrant outlet pipe with body (1), pressure measurement subassembly (9) set up in lid (7) inboard or set up in the most advanced one side of choked flow piece (20) for pressure when detecting choked flow piece (20) and receive water impact.

2. A fire hydrant water pressure detecting device according to claim 1, wherein the choke member (20) is provided in a conical shape, the tip of the choke member (20) is fixedly connected with the extrusion head (21), the pressure detecting assembly (9) includes an inductive probe (23) provided corresponding to the extrusion head (21), and the inductive probe (23) is connected with the inner wall of the cover body (7) through the connecting frame (8).

3. A fire hydrant water pressure detecting device according to claim 2, further comprising a limiting structure, which includes an inner pipe (17), wherein the inner pipe (17) is disposed in the pipe body (1) and is fixedly connected with the inner wall of the pipe body (1), the inner wall of the inner pipe (17) is provided with a sliding groove (18) along the axial direction of the inner pipe (17), the sliding groove (18) is slidably provided with a sliding member (19), and the sliding member (19) is fixedly connected with the flow blocking member (20).

4. A fire hydrant water pressure detecting apparatus according to claim 3, wherein the slide groove (18) is provided in a length enough to allow the tip of the choke member (20) to slide until the tip abuts against the sensing probe (23).

5. A fire hydrant hydraulic pressure detecting apparatus according to claim 3, wherein the slider (19) is provided as a ring member, and a seal ring is provided on an outer peripheral surface of the ring member.

6. A fire hydrant water pressure detecting apparatus according to claim 1, wherein an observation window (22) for observing the pressure value detected by the pressure detecting unit (9) is provided on the cover body (7).

7. A fire hydrant water pressure detecting device according to claim 1, further comprising a connecting pipe (13) disposed at an end of the pipe body (1) away from the cover body (7), wherein a positioning pipe (2) is detachably connected to an end of the connecting pipe (13) away from the pipe body (1), and a clamping pipe (10) is connected to an end of the positioning pipe (2) away from the connecting pipe (13).

8. A fire hydrant water pressure detecting device according to claim 7, characterized in that the positioning pipe (2) is sleeved outside the connecting pipe (13), the outer peripheral surface of one side of the connecting pipe (13) close to the pipe body (1) is sleeved with a limiting ring (3), the peripheral surface of the clamping pipe (10) is provided with a plurality of limiting holes, the limiting holes are connected with the rod body (11), and one end of the rod body (11) located inside the clamping pipe (10) is connected with the limiting block (12).

9. A fire hydrant water pressure detecting apparatus according to claim 1, further comprising a guide member (14) provided in the pipe body (1) at a side close to the water outlet pipe of the fire hydrant, one side of the guide member (14) being fixedly connected to the inner wall of the pipe body (1), and the other side being inclined toward the flow choking member (20).