CN218894147U - Detachable intelligent fire hydrant - Google Patents

Abstract

The utility model relates to the field of fire hydrants, in particular to a detachable intelligent fire hydrant capable of realizing an intelligent detection function through structural improvement of a conventional fire hydrant, which comprises a bent pipe base, a valve body, a bolt body, a copper nut, a valve rod, a connecting rod, a valve clack, an anti-adapter sleeve, an on-ground bolt wrench, a water outlet pipe, a large water cover, a signal box, a sensor mounting seat and a pressure relief device, wherein first flanges are arranged at two ends of the bent pipe base, second flanges are arranged at two ends of the valve body, a third flange is arranged at the lower end of the bolt body, a flow passage is arranged in the middle of the sensor mounting seat, a through hole is arranged at the periphery of the flow passage, a detection port and a connecting port are arranged on the side surface of the sensor mounting seat, the sensor mounting seat is distributed between the bent pipe base and the valve body, the first flange at the upper end of the bent pipe base, the second flange at the lower end of the valve body and the sensor mounting seat are in locking connection through the first bolt passing through the through hole, and a first pressure relief port is arranged on the valve body.

Description

Detachable intelligent fire hydrant

Technical Field

The utility model relates to the field of fire hydrants, in particular to a detachable intelligent fire hydrant.

Background

The applicant applies for a fire hydrant with a flow monitoring function in 2021, 01 and 25 days, and specifically discloses a fire hydrant with a flow monitoring function, which comprises a flange elbow, a valve body detachably arranged at the top end of the flange elbow, a bolt body detachably arranged at the top end of the valve body, a copper nut arranged at the top of the bolt body, a valve rod arranged at the inner side of the copper nut, an anti-adapter sleeve arranged at the top of the bolt body and used for sleeving the copper nut, a connecting rod detachably arranged at the bottom of the valve rod, a connecting piece detachably arranged at the bottom of the connecting rod, a valve clack arranged at the bottom of the connecting piece, an on-ground bolt spanner arranged at the top end of the valve rod, at least three water outlet pipes arranged at the top end of the bolt body and a big water cover detachably arranged on the water outlet pipes, wherein the connecting rod rotatably penetrates through the anti-adapter sleeve, and an anti-drop chain connected with the big water cover is arranged on the bolt body; still including locating the pressure sensor in the valve clack bottom, locating the valve clack bottom and be close to the sealed lid of sensor on outer edge, locating the signal box of bolt body middle part one side, locating the battery in the signal box, locating the signal circuit board subassembly in the signal box, locating the flow switch in the signal box and detachably locating the sealed lid of bolt body one side is kept away from to the signal box, detachably installs the flowmeter in the valve body, flow switch, flowmeter, pressure sensor and battery all are connected with signal circuit board subassembly electricity, flow switch one side passes the bolt body.

According to the fire hydrant, the pressure sensor is used for converting a water pressure signal in the fire hydrant into an electric signal and sending the electric signal to the signal circuit board assembly, the signal circuit board assembly is used for marking the number of the detection signal and sending the number to an external fire control center or other management platforms at regular time, the external fire control center or other management platforms can remotely obtain water pressure data of each fire hydrant, and the problem that the cost is high because personnel are required to check each fire hydrant after long-time use is avoided; the system comprises a flow switch and a flow meter, wherein the flow meter converts the water flow rate and the accumulated flow rate in a valve body into electric signals and sends the electric signals to a signal circuit board assembly, the signal circuit board assembly sends detection signals to an external fire control center or other management platforms, the external fire control center or other management platforms can work on the fire hydrant according to water pressure and water flow, and when unexpected water leakage, water pressure is too low or other abnormal conditions occur, the external fire control center or other management platforms can timely overhaul the fire hydrant through received data information; and after the flow value is higher than or lower than the set value, the signal circuit board assembly transmits the received abnormal signal to an external fire control center or other management platforms, warning signals can be timely sent out, the flow switch and the flowmeter are respectively arranged, the metering precision is high in the use process, the response is quick in use, meanwhile, the purchasing cost is low, the purchasing of the flowmeter with the alarm switch is avoided, the cost is high, after the split setting, when one part is damaged, the later replacement maintenance cost is low, the flow switch is positioned in the plug body, when the fire hydrant is not used, the flow switch is only contacted with water when in use, so that the service life of the flow switch is longer, and the durability is good.

However, since the valve body provided with the flowmeter and the plug body provided with the signal box are of new structure of re-pouring molding, the valve body can be directly put into use to form a fire hydrant system with an intelligent monitoring function, however, the fire hydrant which is put into use still has a conventional structure, the intelligent monitoring function can be realized, and if the intelligent detection system is realized by replacing the fire hydrant, the input cost is high.

Disclosure of Invention

Therefore, in view of the above problems, the present utility model provides a detachable intelligent fire hydrant capable of realizing an intelligent detection function by structural improvement of a conventional fire hydrant, and of inputting costs.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a detachable intelligent fire hydrant, includes return bend base, valve body, key body, copper nut, valve rod, connecting rod, valve clack, anti-adapter sleeve, ground bolt spanner, outlet pipe, big water cover, signal box, sensor mount pad and pressure relief device, the both ends of return bend base all are equipped with first flange, the both ends of valve body all are equipped with the second flange, the lower extreme of key body is equipped with the third flange, the middle part of sensor mount pad and along its axial direction are equipped with the runner, the week side of runner is equipped with the through-hole, the side of sensor mount pad and along its radial direction are equipped with the detection mouth and a connector that are distributed in pairs, detection mouth department is equipped with the flowmeter, the sensor mount pad distributes between return bend base and valve body, and pass through the through-hole with the second flange of return bend base upper end, the second flange of valve body lower extreme and sensor mount pad lock connection, be equipped with first relief device on the valve body, pressure relief device has pressure relief cavity and detection chamber, the detection chamber intercommunication has first water inlet, the detection chamber has the liquid level sensor to be equipped with the second flange, the copper is equipped with the copper nut is located in the side of the second flange, the copper nut is located to the side of the copper nut is located to the second flange, the copper nut is located to the side of the valve body, the pressure relief device is located to the copper nut is connected with the pressure relief device through the copper nut, the copper nut is located the copper nut, the pressure relief device has the pressure relief device to the pressure release device, the pressure plug has the pressure plug, the pressure plug has the pressure to the pressure. The connecting rod passes through the anti-adapter sleeve, the valve clack is arranged at the lower end of the connecting rod, at least three water outlets are arranged on the plug body, the water outlet pipe is arranged at the water outlet, and the big water cover is arranged at the free end of the water outlet pipe.

Further, the sensor mount pad includes integrated into one piece's last disk body, lower disk body, connecting pipe and a plurality of supporting seat, the middle part of going up disk body, lower disk body is equipped with upper shed and lower shed respectively, go up on the disk body and be located upper shed week side and be equipped with the connecting hole, on the lower disk body and be located lower shed week side and be equipped with down the connecting hole, connecting pipe connection upper shed and lower shed constitute the runner through upper shed, connecting pipe, lower shed, the supporting seat is equipped with the radial outside of connecting pipe to distribute between last disk body and lower disk body, be equipped with the middle part connecting hole of connecting hole and lower connecting hole on the supporting seat, constitute the through-hole through upper connecting hole, middle part connecting hole, lower connecting hole, each detection mouth, connector all locate on the connecting pipe, and distribute between two the supporting seat.

Further, the pressure relief device comprises a shell, an inner cavity is formed in the shell, a partition plate is arranged in the inner cavity, the inner cavity is divided into a pressure relief cavity and a detection cavity, the detection cavity is located at the lower side of the pressure relief cavity, the first water inlet is formed in the lower end of the shell, the second water inlet is formed in the side edge of the shell, the second pressure relief opening is formed in the upper end of the shell, a pressure relief runner which is communicated with the second water inlet and the second pressure relief opening is arranged in the pressure relief cavity, and the pressure relief assembly is arranged on the pressure relief runner.

Further, the pressure relief assembly comprises a first valve seat arranged on the pressure relief flow channel, a first metal ball arranged on the first valve seat and a first spring.

Further, the pressure relief opening is provided with a second pressure sensor, the first valve seat is provided with a first electromagnet for magnetically attracting the first metal ball to be used for closing the pressure relief flow passage, and the first electromagnet and the second pressure sensor are respectively and electrically connected with the signal circuit board assembly.

Further, be equipped with the opening on the baffle, be equipped with the auxiliary pressure release runner of connecting first water inlet and second pressure release mouth in the detection chamber, level sensor locates in the auxiliary pressure release runner, be equipped with auxiliary pressure release subassembly in the auxiliary pressure release runner.

Further, the auxiliary pressure relief assembly comprises a second valve seat arranged on the auxiliary pressure relief flow passage, a second metal ball arranged on the second valve seat and a second spring, and the elastic coefficient of the second spring is larger than that of the first spring.

Further, a second electromagnet for magnetically attracting a second metal ball for closing the auxiliary pressure relief runner is arranged on the second valve seat, and the second electromagnet is electrically connected with the signal circuit board assembly.

Further, the input end of the bent pipe base is provided with a booster pump, and the booster pump is electrically connected with the signal circuit board assembly.

Further, the installation stabilizer blade is including the connecting plate of parallel distribution locating signal box bottom and the backup pad of locating the connecting plate bottom, the backup pad is the arc structure, just be located between two connecting plates in the backup pad and be located the horizontal outside of two connecting plates and all be equipped with the mounting hole that supplies the second bolt to pass.

By adopting the technical scheme, the utility model has the beneficial effects that: the detachable intelligent hydrant is characterized in that the structure of the sensor mounting seat, the pressure relief device and the signal box is designed by combining the characteristics of the hydrant with the traditional structure, the sensor mounting seat, the pressure relief device and the signal box are used for being matched with the traditional hydrant to carry out structural improvement, so that the intelligent management can be realized by being integrated into an intelligent detection system; when the fire hydrant is used, through the arrangement of the liquid level sensor, a water pressure signal in the fire hydrant is converted into an electric signal and sent to the signal circuit board assembly, the signal circuit board assembly marks the number of the detection signal and sends the number to an external fire control center or other management platforms at regular time, the external fire control center or other management platforms can remotely obtain water pressure data of each fire hydrant, and the problem that the cost is high because personnel are required to check each fire hydrant after long-time use is avoided; the method comprises the steps that a flowmeter is arranged, wherein the flowmeter converts the water flow rate and the accumulated flow rate in a valve body into electric signals and sends the electric signals to a signal circuit board assembly, the signal circuit board assembly sends detection signals to an external fire control center or other management platforms, the external fire control center or other management platforms can work on the fire hydrant according to water pressure and water flow, and when unexpected water leakage, water pressure is too low or other abnormal conditions occur, the external fire control center or other management platforms can timely overhaul the fire hydrant through received data information; and moreover, the structure is simple, and when one part is damaged, the later replacement and maintenance cost is low.

Drawings

FIG. 1 is a schematic perspective view of a first structure of an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a second structure according to an embodiment of the present utility model;

FIG. 3 is a schematic perspective view of another view of a second structure according to an embodiment of the present utility model;

FIG. 4 is a partially exploded view of a second construction of an embodiment of the present utility model;

FIG. 5 is a schematic perspective view of a sensor mount according to an embodiment of the present utility model;

FIG. 6 is a schematic cross-sectional view of a pressure relief device according to an embodiment of the present utility model;

FIG. 7 is a schematic cross-sectional view of a seal assembly in accordance with an embodiment of the utility model when not installed;

FIG. 8 is a schematic cross-sectional view of a seal assembly in accordance with an embodiment of the present utility model when installed;

FIG. 9 is a schematic cross-sectional view of a connection assembly in accordance with an embodiment of the present utility model;

fig. 10 is a circuit block diagram of an embodiment of the present utility model.

Detailed Description

The utility model will now be further described with reference to the drawings and detailed description.

The embodiment of the utility model comprises the following steps:

referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 10, a detachable intelligent fire hydrant, which comprises a bent pipe base 1, a valve body 2, a bolt body 3, a copper nut 4, a valve rod 5, a connecting rod 6, a valve clack 7, an anti-adapter sleeve 8, an overground bolt wrench 9, a water outlet pipe 10, a large water cover 11, a signal box 12, a sensor mounting seat 13 and a pressure relief device 14, wherein both ends of the bent pipe base 1 are respectively provided with a first flange 15, both ends of the valve body 2 are respectively provided with a second flange 16, the lower end of the bolt body 3 is provided with a third flange 17, the middle part of the sensor mounting seat 13 is provided with a flow passage 18 along the axial direction thereof, the periphery of the flow passage 18 is provided with a through hole 19, the side surface of the sensor mounting seat 13 is provided with a pair-distributed detection port 20 and a connection port 21 along the radial direction thereof, the detection port 20 is provided with a flowmeter 22, the sensor mounting seat 13 is distributed between the bent pipe base 1 and the valve body 2, the first flange 15 at the upper end of the elbow base 1 and the second flange 16 at the lower end of the valve body 2 are in locking connection with the sensor mounting seat 13 through the through hole 19 by a first bolt 23, a first pressure relief opening 24 is formed in the valve body 2, the pressure relief device 14 is provided with a pressure relief cavity 141 and a detection cavity 142, the detection cavity 142 is communicated with a first water inlet 143, a liquid level sensor 25 is arranged in the detection cavity 142, the pressure relief cavity 141 is communicated with a second water inlet 144 and a second pressure relief opening 145, a pressure relief assembly 26 is arranged in the pressure relief cavity 141, the first water inlet 143 of the pressure relief device 14 is connected with the connecting opening 21 through a connecting pipe body 27, the second water inlet 144 of the pressure relief device 26 is connected with the first pressure relief opening 24, a mounting support leg 28 is arranged outside the signal box 12, and the mounting support leg 28 is connected with the second flange 16 at the upper end of the valve body 2 through a second bolt 29, the third flange 17 locking connection of the lower extreme of the bolt body 3, be equipped with battery 30, signal circuit board subassembly 31 in the signal box 12, battery 30, flowmeter 22 and level sensor 25 are connected with signal circuit board subassembly 31 electricity respectively, the upper end of bolt body 3 is located to copper nut 4, the upper end of copper nut 4 is located to bolt spanner 9 on the ground, prevent that adapter sleeve 8 cup joints on copper nut 4, the inboard of copper nut 4 is located to valve rod 5, the lower extreme of valve rod 5 is located to connecting rod 6, connecting rod 6 passes prevents adapter sleeve 8, the lower extreme of connecting rod 6 is located to valve clack 7, be equipped with three delivery port 300 on the bolt body 3, delivery port 300 department is located to delivery port 10, big water cover 11 lid is located on the free end of delivery pipe 10.

The detachable intelligent hydrant is characterized in that the structure of the sensor mounting seat 13, the pressure relief device 14 and the signal box 12 is designed by combining the characteristics of the hydrant with the traditional structure, and the sensor mounting seat 13, the pressure relief device 14 and the signal box 12 are used for being matched with the traditional hydrant to carry out structural improvement, so that the intelligent management can be realized, the traditional hydrant can be modified by the design, the problem of direct replacement is avoided, the cost is greatly reduced, in particular, the signal box 12 and the valve body 2 are connected with the valve body 2 in a detachable manner by the aid of the detachable connection mode of the valve body 2 and the valve body 3 on the traditional hydrant, and the first pressure relief opening 24 on the valve body 2, the sensor such as the flowmeter 22 is arranged on the sensor mounting seat 13, the pressure relief device 14 is arranged on the first pressure relief opening 24 and is communicated with the sensor mounting seat 13, the liquid level sensor 25 is arranged in the pressure relief device 14, the pressure detection effect is ensured, the signal box 12 and the valve body 2 and the valve body 3 are connected with the pressure relief device, the normal function is prevented from being influenced by the fact that the sensor mounting seat is connected with the valve body 2, the sensor mounting seat is not connected with the valve body 3, the fire hydrant is not normally, and the improvement of the traditional structure is realized, and the normal function of the fire hydrant is realized; when the fire hydrant is used, through the arrangement of the liquid level sensor 25, a water pressure signal in the fire hydrant is converted into an electric signal and sent to the signal circuit board assembly 31, the signal circuit board assembly 31 is used for marking the number of the detection signal and sending the number to an external fire control center or other management platforms at regular time, the external fire control center or other management platforms can remotely obtain water pressure data of each fire hydrant, and the problem that the cost is high because personnel are required to check each fire hydrant after long-time use is avoided; the arrangement of the flowmeter 22, wherein the flowmeter 22 converts the water flow rate and the accumulated flow rate in the valve body 2 into electric signals and sends the electric signals to the signal circuit board assembly, the signal circuit board assembly 31 sends detection signals to an external fire control center or other management platforms, the external fire control center or other management platforms can work on the fire hydrant according to the water pressure and the water flow, and when unexpected water leakage, water pressure is too low or other abnormal conditions occur, the external fire control center or other management platforms can timely overhaul the fire hydrant through the received data information; and moreover, the structure is simple, and when one part is damaged, the later replacement and maintenance cost is low.

And, referring to fig. 5, the sensor mounting base 13 includes integrated into one piece's last disk 131, lower disk 132, connecting pipe 133 and a plurality of supporting seat 134, the middle part of going up disk 131, lower disk 132 is equipped with upper shed and lower shed respectively, go up on disk 131 and be located upper shed week side and be equipped with the connecting hole, on lower disk 132 and be located lower shed week side and be equipped with the lower shed connecting hole, upper shed and lower shed are connected to connecting pipe 133, constitute runner 18 through upper shed, connecting pipe 133, lower shed, supporting seat 134 is equipped with the radial outside of connecting pipe 133 to be distributed between last disk 131 and lower disk 132, be equipped with the mid-connecting hole of connecting upper shed and lower connecting hole on the supporting seat 134, constitute through upper shed, mid-connecting hole, lower connecting hole, each detection mouth 20, connector 21 all locate on connecting pipe 133, and distribute in between two supporting seat 134, set up in the lateral wall of 133 through detection mouth 20 and connector 21 to through the supporting role of supporting seat 134, improve its high strength of connection pipe 133, the sensor can satisfy with the radial outside of supporting seat 133, and the easy to detach and install with the valve body 1, the easy to detach, the easy to install and the valve body is guaranteed, the cost is guaranteed to be convenient for install and the valve body is replaced, and the whole is convenient for 1 is guaranteed.

It should be noted that the flowmeter 22 includes a signal transmitting end and a signal receiving end connected by signal lines, where the signal transmitting end and the signal receiving end are respectively disposed at the detecting ports 20 distributed in pairs, the detecting ports 20 distributed in pairs are located on the same straight line of the connecting pipe 133, and three pairs of detecting ports 20 are disposed on the connecting pipe 133, that is, the number of the flowmeter 22 is three and distributed along each diameter area on the same plane of the connecting pipe 133, so as to improve the accuracy of detection.

Referring to fig. 7 and 8, a sealing assembly 100 is disposed between the elbow base 1 and the sensor mounting seat 13 and between the valve body 2 and the sensor mounting seat 13, the sealing assembly 100 includes a convex ring 135 disposed on the upper surface of the upper disc 131 and the lower surface of the lower disc 132, and a sealing rubber ring 110 clamped on the convex ring 135, the sealing rubber ring 110 includes a ring body 111, a first supporting portion 112, an arc connecting portion 113, an inclined portion 114, and a second supporting portion 115, which are integrally connected, the ring body 111 is embedded on the inner edge of the elbow base 1 or the valve body 2, the first supporting portion 112 is connected with the free end of the ring body 111 and is laid on the inner edge of the first flange 15 or the second flange 16, the arc connecting portion 113 is disposed on the outer end of the first supporting portion 112, the inclined portion 114 is disposed on the free end of the arc connecting portion 113 and extends inwards, the second supporting portion 115 is disposed at a free end of the inclined portion 114, the second supporting portion 115 is parallel to the first supporting portion 112, the first supporting portion 112 and the second supporting portion 115 are spaced apart, when the elbow base 1 or the valve body 2 is connected with the sensor mounting seat 13, the convex ring 135 abuts against the second supporting portion 115, the convex ring 135 presses the second supporting portion 115 to approach the first supporting portion 112 through locking of the first bolt 23, so that the inclined portion 114 and the arc-shaped connecting portion 113 form elastic deformation, and when the installation is completed, the second supporting portion 115 abuts against the first supporting portion 112 to achieve a double sealing effect, the first supporting portion 112, the second supporting portion 115, the inclined portion 114 and the arc-shaped connecting portion 113 form a hollow tubular structure, and the inside of the first supporting portion, the second supporting portion 115, the inclined portion 114 and the arc-shaped connecting portion 113 is filled with air, so that liquid can be prevented from penetrating during use, and the sealing effect can be further improved.

In this embodiment, referring to fig. 6, the pressure relief device 14 includes a housing 140, an inner cavity is provided in the housing 140, a partition 146 is disposed in the inner cavity and divides the inner cavity into a pressure relief cavity 141 and a detection cavity 142, the detection cavity 142 is located at the lower side of the pressure relief cavity 141, the first water inlet 143 is disposed at the lower end of the housing 140, the second water inlet 144 is disposed at the side of the housing 140, the second pressure relief opening 145 is disposed at the upper end of the housing 140, a pressure relief runner 147 communicating the second water inlet 144 and the second pressure relief opening 145 is disposed in the pressure relief cavity 141, the pressure relief assembly 26 is disposed on the pressure relief runner 147, the pressure relief assembly 26 includes a first valve seat 261 disposed on the pressure relief runner 147, a first metal ball 262 and a first spring 263 disposed on the first valve seat 261, the first pressure relief opening 24 is disposed with a second pressure sensor 32, and the first valve seat 261 is disposed with a first electromagnet 33 for magnetically sucking the first metal ball 262 for closing the pressure relief runner 147; the baffle 146 is provided with an opening, the detection cavity 142 is internally provided with an auxiliary pressure relief runner 148 connected with the first water inlet 143 and the second pressure relief opening 145, the liquid level sensor 25 is arranged in the auxiliary pressure relief runner 148, an auxiliary pressure relief assembly 34 is arranged in the auxiliary pressure relief runner 148, the auxiliary pressure relief assembly 34 comprises a second valve seat 341 provided with the auxiliary pressure relief runner 148, a second metal ball 342 and a second spring 343 provided on the second valve seat 341, the elasticity coefficient of the second spring 343 is larger than that of the first spring 263, the second valve seat 341 is provided with a second electromagnet 35 for magnetically attracting the second metal ball 342 to close the auxiliary pressure relief runner 148, the first electromagnet 33, the second electromagnet 35 and the second pressure sensor 32 are electrically connected with the signal circuit board assembly 31, and the input end of the elbow base 1 is provided with a booster pump 36, and the booster pump 36 is electrically connected with the signal circuit board assembly 31.

When the fire hydrant is used, the water pressure sprayed out of the water outlet pipe is regulated through the pressure relief assembly 26, when the pressure is overlarge, the first spring 263 is extruded through the first metal ball, the pressure relief runner 147 is opened, the pressure relief effect is achieved, and the auxiliary pressure relief assembly 34 is arranged, the water pressure at two ends of the valve clack 7 can be balanced well, the flow speed of water is stable, the stability of water spraying is guaranteed, the maximization of flow is achieved, and further the fire extinguishing efficiency is improved, meanwhile, the liquid level sensor 25 can monitor the pressure in the fire hydrant in advance, and sends detection signals to an external fire control center or other management platforms through the signal circuit board assembly 31, when a fire disaster happens, fire fighters can judge the required water pressure and the water flow lift in advance through the external fire control center or other management platforms, the pressure relief pressure is regulated through the first electromagnet 33 and the second electromagnet 35, the work of the booster pump 36 is controlled, the water pressure in the fire hydrant is enabled to meet the water pressure, long-time pressurization preparation is avoided, and the efficiency is improved.

Further, the installation stabilizer blade 28 includes the connecting plate 281 that parallel distribution located signal box 12 bottom and locates the backup pad 282 of connecting plate 281 bottom, backup pad 282 is the arc structure, just be located between two connecting plates 281 and be located the horizontal outside of two connecting plates 281 on the backup pad 282 and all be equipped with the mounting hole 283 that supplies the second bolt 29 to pass, the medial surface of signal box 12 is the arcwall face, is convenient for attach in the outer surface of the bolt body of fire hydrant, reduces space utilization, improves the compactedness of structure to be equipped with magnet on this medial surface, be convenient for adsorb on the fire hydrant, be applicable to traditional fire hydrant's installation simultaneously, improve signal box 12's joint strength.

Referring to fig. 9, the detecting port 20 is provided with a connection assembly 200 for installing the flowmeter 22, the connection assembly 200 includes a mounting tube 201 in threaded connection with the detecting port 20, a protruding edge 202 disposed at an inner end of the mounting tube 201, an L-shaped guide groove 203 disposed at an inner surface of the mounting tube 201, a clamping seat 204 clamped in the mounting tube 201, a return spring 205 disposed between the protruding edge 202 and the clamping seat 204, and an end cover 206 in threaded connection with an outer end of the mounting tube 201, the flowmeter 22 is installed on the clamping seat 204, a clamping block 207 is disposed at a peripheral edge of the clamping seat 204, a sealing ring 208 is embedded in the clamping seat 204, the return spring 205 slides inwards along the L-shaped guide groove 203 through the clamping block 207, the clamping seat 204 slides inwards and is clamped in the L-shaped guide groove 203, the installation of the flowmeter 22 is realized through the threaded connection of the end cover 206 and the mounting tube 201, when the end cover 206 is disassembled and replaced, the clamping seat 204 is ejected out through the return spring 205, the disassembly and installation are convenient, and the convenience of use is improved.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (10)

1. A detachable intelligent fire hydrant which is characterized in that: comprises a bent pipe base, a valve body, a bolt body, a copper nut, a valve rod, a connecting rod, a valve clack, an anti-adapter sleeve, an upper ground bolt spanner, a water outlet pipe, a large water cover, a signal box, a sensor mounting seat and a pressure relief device, wherein the two ends of the bent pipe base are respectively provided with a first flange, the two ends of the valve body are respectively provided with a second flange, the lower end of the bolt body is provided with a third flange, the middle part of the sensor mounting seat is provided with a flow passage along the axial direction of the sensor mounting seat, the periphery of the flow passage is provided with a through hole, the side surface of the sensor mounting seat is provided with a detection port and a connection port which are distributed in pairs along the radial direction of the sensor mounting seat, the detection port is provided with a flowmeter, the sensor mounting seat is distributed between the bent pipe base and the valve body, and the first flange at the upper end of the bent pipe base and the second flange at the lower end of the valve body are locked and connected with the sensor mounting seat through a first bolt passing through the through hole, the valve body is provided with a first pressure relief opening, the pressure relief device is provided with a pressure relief cavity and a detection cavity, the detection cavity is communicated with a first water inlet, a liquid level sensor is arranged in the detection cavity, the pressure relief cavity is communicated with a second water inlet and a second pressure relief opening, a pressure relief assembly is arranged in the pressure relief cavity, the first water inlet of the pressure relief device is connected with a connecting port through a connecting pipe body, the second water inlet of the pressure relief device is connected with the first pressure relief opening, a mounting support leg is arranged outside the signal box and is in locking connection with a second flange at the upper end of the valve body and a third flange at the lower end of a bolt body through a second bolt, the copper nut is arranged at the upper end of the bolt body, a ground bolt spanner is arranged at the upper end of the copper nut, an adapter sleeve is sleeved on the copper nut, the valve rod is arranged at the inner side of the copper nut, the connecting rod is arranged at the lower end of the valve rod, the connecting rod passes through the anti-adapter sleeve, the valve clack is arranged at the lower end of the connecting rod, at least three water outlets are arranged on the plug body, the water outlet pipe is arranged at the water outlet, and the big water cover is arranged at the free end of the water outlet pipe.

2. The removable intelligent fire hydrant of claim 1, wherein: the sensor mounting seat comprises an integrally formed upper disc body, a lower disc body, a connecting pipe and a plurality of supporting seats, wherein an upper opening and a lower opening are respectively formed in the middle of the upper disc body and the lower disc body, an upper connecting hole is formed in the periphery of the upper opening of the upper disc body, a lower connecting hole is formed in the periphery of the lower opening of the lower disc body, the connecting pipe is connected with the upper opening and the lower opening, a flow passage is formed through the upper opening, the connecting pipe and the lower opening, the supporting seats are arranged on the radial outer side of the connecting pipe and are distributed between the upper disc body and the lower disc body, a middle connecting hole for communicating the upper connecting hole and the lower connecting hole is formed in the supporting seats, through holes are formed in the middle connecting hole, the middle connecting hole and the lower connecting hole, and all detection ports and connecting ports are formed in the connecting pipe and distributed between the two supporting seats.

3. A removable intelligent fire hydrant according to claim 1 or 2, characterised in that: the pressure relief device comprises a shell, an inner cavity is formed in the shell, a partition plate is arranged in the inner cavity, the inner cavity is divided into a pressure relief cavity and a detection cavity, the detection cavity is located at the lower side of the pressure relief cavity, the first water inlet is formed in the lower end of the shell, the second water inlet is formed in the side edge of the shell, the second pressure relief opening is formed in the upper end of the shell, a pressure relief runner which is communicated with the second water inlet and the second pressure relief opening is arranged in the pressure relief cavity, and the pressure relief assembly is arranged on the pressure relief runner.

4. A removable intelligent fire hydrant according to claim 3, characterized in that: the pressure relief assembly comprises a first valve seat arranged on the pressure relief flow channel, a first metal ball arranged on the first valve seat and a first spring.

5. The removable intelligent fire hydrant of claim 4, wherein: the pressure relief opening is provided with a second pressure sensor, the first valve seat is provided with a first electromagnet for magnetically attracting the first metal ball to be used for closing the pressure relief flow passage, and the first electromagnet and the second pressure sensor are respectively and electrically connected with the signal circuit board assembly.

6. The removable intelligent fire hydrant of claim 5, wherein: the liquid level sensor is arranged in the auxiliary pressure relief flow passage, and an auxiliary pressure relief assembly is arranged in the auxiliary pressure relief flow passage.

7. The removable intelligent fire hydrant of claim 6, wherein: the auxiliary pressure relief assembly comprises a second valve seat arranged on the auxiliary pressure relief flow passage, a second metal ball arranged on the second valve seat and a second spring, and the elastic coefficient of the second spring is larger than that of the first spring.

8. The removable intelligent fire hydrant of claim 7, wherein: the second valve seat is provided with a second electromagnet for magnetically attracting a second metal ball for closing the auxiliary pressure relief runner, and the second electromagnet is electrically connected with the signal circuit board assembly.

9. The removable intelligent fire hydrant of claim 8, wherein: the input end of the bent pipe base is provided with a booster pump, and the booster pump is electrically connected with the signal circuit board assembly.

10. The removable intelligent fire hydrant of claim 1, wherein: the mounting support legs comprise connecting plates which are arranged at the bottom of the signal box in parallel and support plates which are arranged at the bottom of the connecting plates, the support plates are of arc structures, and mounting holes for the second bolts to pass through are formed in the support plates and between the two connecting plates and in the transverse outer sides of the two connecting plates.

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