CN113026868B - Interface installation self-adaptive intelligent fire hydrant and use method thereof - Google Patents
Interface installation self-adaptive intelligent fire hydrant and use method thereof Download PDFInfo
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- CN113026868B CN113026868B CN202110303458.4A CN202110303458A CN113026868B CN 113026868 B CN113026868 B CN 113026868B CN 202110303458 A CN202110303458 A CN 202110303458A CN 113026868 B CN113026868 B CN 113026868B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
- E03B9/04—Column hydrants
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
- E03B9/14—Draining devices for hydrants
Abstract
The invention belongs to the technical field of fire fighting, and particularly relates to an intelligent fire hydrant with a self-adaptive interface installation and a using method thereof, wherein the intelligent fire hydrant comprises a water pipe and a vertical hydrant, the water pipe and the vertical hydrant are vertically and fixedly connected and are mutually communicated, the top end of the vertical hydrant is provided with a port, the port is sealed with an opening and closing piece, the side wall of the vertical hydrant is provided with a water outlet, and the water outlet is provided with a clamping mechanism; the vertical bolt is internally sealed with a sealing ring, the connecting rod is matched and connected with the opening and closing piece, the connecting rod is provided with a control mechanism for controlling the clamping mechanism, the water delivery pipe is internally and fixedly connected with a power generation impeller, and the power generation impeller is electrically connected with the control mechanism. Has the advantages that: the invention can better match different fire-fighting water pipes, so that butt joint is not needed through a traditional clamping structure, thereby avoiding the obstruction of fire rescue operation caused by traditional rusting or unmatched structure size, and being more convenient to match with the operation of fire fighting.
Description
Technical Field
The invention belongs to the technical field of fire fighting, and particularly relates to an interface installation self-adaptive intelligent fire hydrant and a use method thereof.
Background
A fire hydrant, called fire hydrant formally, is a fixed fire-fighting equipment, and mainly has the functions of controlling combustible substances, isolating combustion-supporting substances and eliminating ignition sources. The fire-fighting system comprises an outdoor fire hydrant system, a water mist system and the like. The fire hydrant suit is generally formed by combining a fire box, a fire hose, a water gun, a connecting buckle, a bolt, a clip and the like, and the fire hydrant is mainly used for a fire truck to take water from a municipal water supply network or an outdoor fire water supply network to put out a fire, and can also be directly connected with the water hose and the water gun to discharge water for putting out a fire. Therefore, indoor and outdoor fire hydrant systems are also one of the important fire fighting devices for fighting fires.
Chinese patent CN 107587559A discloses a fire hydrant with a rotary interface, and also specifically discloses a hydrant body comprising the fire hydrant, wherein a water inlet channel is formed in the hydrant body, a hydrant seat is arranged at the upper end of the hydrant body, a regulating valve is arranged at the top of the hydrant seat, a fire hose interface is formed on the side wall of the hydrant seat, a vertical support shaft is formed at the lower end of the hydrant seat, a spherical connector is formed at the lower end of the support shaft, an external thread sleeve is formed at the upper end of the hydrant body, a spherical recess matched with the connector is formed on the inner wall of the external thread sleeve, the spherical recess is communicated with the water inlet channel, the plug bush has the internal thread buckle closure on the connecting head of bolt seat, and the shaping has the spherical shrinkage pool that matches with the connecting head on the internal thread buckle closure, and the connector of bolt seat is pegged graft in the spherical shrinkage pool of bolt body, and the external screw thread cover spiro union of internal thread buckle closure is fixed on the external screw thread cover of bolt body, and the connector supports respectively and leans on the spherical shrinkage pool of internal thread buckle closure and the inner wall of the spherical shrinkage pool of bolt body. The invention can realize the multi-directional rotation of the fire-fighting interface on the fire hydrant, thereby eliminating the limitation of the practical use process.
Chinese patent CN 109930660 a discloses a fire hydrant interface for quickly opening a fire hydrant, and further specifically discloses a fire hydrant interface divided into two parts, namely an interface and a joint. A sealing plate is arranged in the interface, four protruding feet are arranged on the sealing plate and respectively correspond to the four-line spiral sliding grooves in the interface, the protruding feet can slide in the sliding grooves, and the sealing plate can be freely moved forwards and backwards by rotating the sealing plate. The sealing plate is also provided with two driving lever sleeves, the joint is provided with two driving levers, and when the driving levers are inserted into the driving lever sleeves, the sealing plate can be driven to rotate. The diameter of the sealing plate is less than the inner diameter of the interface, and when the sealing plate is rotated away from the sealing washer, water floods the fire hose through the interface from around the sealing plate for fire protection. During the use, insert the interface with the joint, as long as action of rotary joint, alright open the fire hydrant and make rivers flush the fire hose, solved current fire hydrant structure complicacy, open the defect that takes time.
The above patents all have the following problems:
1. the interfaces of the fire hydrant are all designed to be more convenient for the stability or the tightness of splicing the fire hydrant and the fire water pipe, but the problem of interface matching is ignored, and once the fire hydrant and the water pipe with different calibers are met during splicing, the fire hydrant and the water pipe cannot be matched for use, so that the fire fighting and rescue requirements are delayed;
2. the fire hydrant's interface all is the block structure, carries out sealing connection through channel and card limit, and once it rusts the block and will not inseparable or can't carry out the block once, consequently can influence normal fire control operation of putting out a fire.
Therefore, an interface installation self-adaptive intelligent fire hydrant and a using method are provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems and provides an interface installation self-adaptive intelligent fire hydrant capable of performing water delivery fire-fighting operation in a swing-off traditional clamping mode and a using method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: an interface installation self-adaptive intelligent fire hydrant comprises a water pipe and a vertical hydrant, wherein the water pipe and the vertical hydrant are vertically and fixedly connected and are mutually communicated, a port is formed in the top end of the vertical hydrant, an opening and closing piece is sealed at the port, a water outlet is formed in the side wall of the vertical hydrant, and a clamping mechanism is arranged at the water outlet; the utility model discloses a clamping mechanism, including upright bolt, connecting rod, division piece, fixed connection baffle, outer loop edge, the stopper post that is equipped with in the upright bolt, the stopper post that is used for cooperating the sealed ring port is tied to upright bolt inner seal has the sealing ring, be equipped with the stopper post that is used for cooperating the sealed ring port in the bolt, fixedly connected with baffle on the stopper post, the baffle is close to outer loop edge and is equipped with a plurality of through-holes, it is connected with the connecting rod to rotate on the baffle, the connecting rod is connected with the cooperation of division piece, be equipped with the control mechanism who is used for controlling clamping mechanism on the connecting rod, fixedly connected with electricity generation impeller in the water delivery pipe, electricity generation impeller and control mechanism electric connection.
In foretell interface installation self-adaptation's intelligent fire hydrant, the piece of opening and shutting is including connecting in the sealed lid of standing bolt port department, first screw hole has been seted up to the center department of sealed lid, threaded connection has the screw thread post in the first screw hole, be equipped with the second screw hole on the screw thread post, second screw hole and connecting rod threaded connection, the last reason protrusion of screw thread post is outside first screw hole.
In foretell interface installation self-adaptation's intelligent fire hydrant, latch mechanism includes fixed connection in the outlet pipe on standing the bolt lateral wall, the outlet pipe sets up with the delivery port intercommunication, be equipped with the fastener on the lateral wall of outlet pipe, be equipped with the inner chamber in the pipe wall of outlet pipe, sealing connection has the sealed bag on the inner wall of inner chamber, the one end protrusion of sealed bag is outside the mouth of pipe of outlet pipe.
In foretell interface installation self-adaptation's intelligent fire hydrant, the rotor plate outside the outlet pipe is located including the cover to the fastener, be equipped with annular spout on the inner wall of rotor plate, sliding connection has the polylith slider in the annular spout, the outside fixed connection of slider and outlet pipe, coaxial fixedly connected with annular rack on the rotor plate, the coaxial fixedly connected with fixed plate outside the outlet pipe, alternate on the fixed plate and rotate and be connected with many spacing posts, spacing post is the L type, the one end fixedly connected with gear at the position of buckling is kept away from to spacing post, gear and annular rack toothing, a set of sensor assembly of equal fixed connection on the relative one end inner wall of outlet pipe and rotor plate.
In the above-mentioned interface installation self-adaptation's intelligent fire hydrant, the sealing bag is the annular form, and its tip is accomodate in the inner chamber, the sealing bag is the rubber material.
In foretell interface installation self-adaptation's intelligent fire hydrant, the mouth of pipe department of outlet pipe rotates and is connected with the stripper plate that the polylith is used for extrudeing the sealed bag, the stripper plate indent is the arc.
In foretell interface installation self-adaptation's intelligent fire hydrant, control mechanism locates the closing plate on the connecting rod including the cover, closing plate and the sealed sliding connection of connecting rod, fixedly connected with air pump, the control unit and battery on the closing plate, and its equal mutual connection of electric wires, the inlet end of air pump runs through and ties the outside immediately, the end of giving vent to anger and the inner chamber intercommunication setting of air pump, battery and power generation impeller electric connection.
An interface installation self-adaptive intelligent fire hydrant using method comprises the following steps:
s1, opening and closing splicing: the head of the fire-fighting water pipe placed in advance is clamped into the pipe orifice of the water outlet pipe, the head of the fire-fighting water pipe is gradually butted to the root and is in contact with the fixed plate, then the rotating plate is rotated to enable the annular rack to rotate, and the annular rack enables the limiting column to synchronously rotate through a plurality of meshed gears, so that the bent end of the annular rack is clamped with the head of the fire-fighting water pipe;
s2, induction sealing: in the step S1, the rotating plate enables the vertical bolt and a sensor on the rotating plate to be triggered, so that a signal is sent to the air pump, the air pump enables external air flow to be filled into the inner cavity through the control unit, the sealing bag is rapidly inflated and expanded, and gaps between heads of the original fire water pipes are sealed;
s3, opening and closing to discharge water: thereby rotate sealed lid through specialized tool and make the connecting rod lifting gradually, thereby deblocking sealing ring and cock stem, rivers flow through the raceway and flow through entering to the through-hole, thereby get into to the outlet pipe, thereby rivers impact the stripper plate and make its extrusion sealing bag under powerful hydraulic effect, thereby water pressure is big more, and is stronger to the extrusion of sealing bag, thereby guarantees the smooth outflow of rivers, reaches the effect that multiple fire hose all can carry out the block with the outlet pipe and use.
Compared with the prior art, the self-adaptive intelligent fire hydrant and the use method of the interface have the advantages that:
1. according to the invention, through the matching of the rotating plate, the gear, the annular rack and the limiting column, the purpose that the annular rack rotates by utilizing the rotating plate is achieved, and then the limiting column synchronously rotates through the plurality of gears which are meshed with each other, so that the bent end of the annular rack is tightly clamped with the head of the fire-fighting water pipe, the fire-fighting water pipe does not need to be accurately matched through the traditional clamping, the universality is better, and the fire-fighting operation is more conveniently matched.
2. The invention achieves the purposes of generating electricity by utilizing water flow and the power generation impeller to supply power to the control unit through the matching of the control unit, the power generation impeller, the sealing bag and the extrusion plate, simultaneously enables the air pump to rapidly supply air to the sealing bag and rapidly expand the sealing bag so as to fill gaps at the clamping position, and presses the extrusion plate through the action of water pressure so as to better perform a plugging function by matching with the sealing bag, thereby achieving a better effect of helping fire fighting operation.
Drawings
Fig. 1 is an external structural schematic diagram of an interface installation adaptive intelligent fire hydrant provided by the invention;
FIG. 2 is a perspective view of the snapping mechanism of FIG. 1;
FIG. 3 is a cross-sectional view of the neutral bolt of FIG. 1;
FIG. 4 is a cross-sectional view of the water duct of FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 1 at A;
FIG. 6 is an enlarged view of a portion of FIG. 2 at B;
fig. 7 is a partially enlarged view at C in fig. 2.
In the figure, 1 water pipe, 2 vertical bolts, 3 opening and closing parts, 4 water outlets, 5 clamping mechanisms, 6 sealing rings, 7 plug columns, 8 baffle plates, 9 through holes, 10 connecting rods, 11 control mechanisms, 12 power generation impellers, 13 sealing covers, 14 threaded columns, 15 water outlet pipes, 16 clamping parts, 17 inner cavities, 18 sealing bags, 19 rotating plates, 20 annular sliding grooves, 21 sliding blocks, 22 fixing plates, 23 limiting columns, 24 gears, 25 extrusion plates, 26 sealing plates, 27 air pumps, 28 storage batteries and 29 annular racks.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
As shown in fig. 1-7, an intelligent fire hydrant with self-adaptive interface installation comprises a water pipe 1 and a vertical hydrant 2, wherein the water pipe 1 is laid on the ground bottom and connected with an external water pipe structure, the water pipe 1 is vertically and fixedly connected with the vertical hydrant 2, and communicate the setting each other, upright tie 2 is used for supplying water to the outside, upright tie 2's top is seted up the port and is used for rear end maintainer to carry out parts maintenance or installation, the port is sealed to have the piece of opening and shutting 3, the piece of opening and shutting 3 is including connecting in upright tie 2 port department's sealed lid 13, sealed lid 13 with upright tie 2 port threaded connection, the first screw hole has been seted up to sealed lid 13's center department, threaded connection has screw thread post 14 in the first screw hole, be equipped with the second screw hole on the screw thread post 14, second screw hole and connecting rod 10 threaded connection, the last reason protrusion of screw thread post 14 is outside first screw hole, sealed lid 13 is opposite with screw thread post 14's threaded connection direction.
The side wall of the vertical bolt 2 is provided with a water outlet 4, the water outlet 4 is provided with a clamping mechanism 5, the clamping mechanism 5 comprises a water outlet pipe 15 fixedly connected to the side wall of the vertical bolt 2 and can be clamped and communicated with an external water pipe, the water outlet pipe 15 is communicated with the water outlet 4, the outer side wall of the water outlet pipe 15 is provided with a clamping piece 16, the clamping piece 16 comprises a rotating plate 19 sleeved outside the water outlet pipe 15, the inner wall of the rotating plate 19 is provided with an annular sliding groove 20, a plurality of sliding blocks 21 are connected in the annular sliding groove 20 in a sliding manner, the sliding blocks 21 are fixedly connected with the outside of the water outlet pipe 15, an annular rack 29 is coaxially and fixedly connected on the rotating plate 19, a fixing plate 22 is coaxially and fixedly connected outside the water outlet pipe 15, a plurality of limiting columns 23 are alternately and rotatably connected on the fixing plate 22, the limiting columns 23 are L-shaped, one ends of the limiting columns 23 far away from the bending part are fixedly connected with gears 24, the gears 24 are meshed with the annular rack 29, the rotation plate 19 is rotated to rotate the annular rack 29, and then the annular rack 29 synchronously rotates the stopper post 23 through the plurality of gears 24 engaged with each other, thereby clamping the bent end thereof to the head of the fire hose.
The inner walls of the opposite ends of the water outlet pipe 15 and the rotating plate 19 are fixedly connected with a group of sensor components, the sensor components are optical signal sensors, when the two groups of sensors sense photoelectric signals, control unit electric signals are given immediately, so that signals are sent to the air pump 27 for air supply operation, the air pump 27 is enabled to charge external air flow into the inner cavity 17 through the control unit, so that the sealing bag 18 is inflated and expanded rapidly, a gap between the heads of the original fire-fighting water pipe is sealed, the inner cavity 17 is arranged in the pipe wall of the water outlet pipe 15, the sealing bag 18 is connected to the inner wall of the inner cavity 17 in a sealing mode, one end of the sealing bag 18 protrudes out of the pipe orifice of the water outlet pipe 15, the sealing bag 18 is in an annular shape, the end part of the sealing bag 18 is contained in the inner cavity 17, the sealing bag 18 is made of rubber, the sealing bag 18 is used for sealing the gap between the water pipe and the water outlet pipe 15 after being inflated, the pipe orifice of the water outlet pipe 15 is rotatably connected with a plurality of extrusion plates 25 for extruding the sealing bag 18, the extrusion plate 25 is concave and arc-shaped, and water flow impacts the extrusion plate 25 to extrude the sealing bag 18 under the action of strong water pressure, so that the higher the water pressure is, the stronger the extrusion action on the sealing bag 18 is, thereby ensuring the smooth outflow of the water flow and achieving the effect that various fire-fighting water pipes can be clamped with the water outlet pipe 15 for use;
found 2 internal seal of bolt has sealing ring 6, be equipped with the cock stem 7 that is used for cooperating 6 ports of sealing ring in the bolt 2 immediately, fixedly connected with baffle 8 on the cock stem 7, thereby cock stem 7 is used for the ring mouth of shutoff sealing ring 6 to control the outflow of rivers, baffle 8 is close to outer loop edge and is equipped with a plurality of through-holes 9, rivers pass through-hole 9 and guide rivers to outlet pipe 15 in, it is connected with connecting rod 10 to rotate on the baffle 8, connecting rod 10 is connected with the cooperation of opening and shutting piece 3, be equipped with the control mechanism 11 that is used for controlling latch mechanism 5 on the connecting rod 10, fixedly connected with electricity generation impeller 12 in raceway 1, electricity generation impeller 12 and 11 electric connection of control mechanism, thereby utilize rivers and electricity generation impeller 12 to generate electricity and supply power for the control unit.
An interface installation self-adaptive intelligent fire hydrant using method comprises the following steps:
s1, opening and closing splicing: the head of the pre-placed fire-fighting water pipe is clamped to the pipe orifice of the water outlet pipe 15 and is gradually butted to the root to be contacted with the fixed plate 22, then the rotating plate 19 is rotated to enable the annular rack 29 to rotate, and the annular rack 29 enables the limiting column 23 to synchronously rotate through the plurality of meshed gears 24, so that the bent end of the annular rack is clamped with the head of the fire-fighting water pipe;
s2, induction sealing: in step S1, the rotating plate 19 triggers the sensors on the vertical bolt 2 and the rotating plate 19 to send a signal to the air pump 27, and the air pump 27 charges the external air flow into the inner cavity 17 through the control unit, so that the sealing bag 18 is inflated rapidly to swell, and the gap between the heads of the original fire hose is sealed;
s3, opening and closing to discharge water: thereby rotate sealed lid 13 through specialized tool and make connecting rod 10 lifting gradually, thereby deblocking sealing ring 6 and cock stem 7, rivers flow through raceway 1 and get into to through-hole 9, thereby get into outlet pipe 15, thereby rivers impact stripper plate 25 makes its extrusion sealed bag 18 under powerful hydraulic effect, thereby water pressure is big more, it is stronger to the extrusion of sealed bag 18, thereby guarantee the smooth outflow of rivers, reach the effect that multiple fire hose all can carry out the block with outlet pipe 15 and use.
Although the terms of the water pipe 1, the upright bolt 2, the opening and closing member 3, the water outlet 4, the clamping mechanism 5, the sealing ring 6, the plug column 7, the baffle 8, the through hole 9, the connecting rod 10, the control mechanism 11, the power generation impeller 12, the sealing cover 13, the threaded column 14, the water outlet pipe 15, the clamping member 16, the inner cavity 17, the sealing bag 18, the rotating plate 19, the annular sliding groove 20, the sliding block 21, the fixing plate 22, the limiting column 23, the gear 24, the extrusion plate 25, the sealing plate 26, the air pump 27, the storage battery 28, the annular rack 29 and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (4)
1. An interface installation self-adaptive intelligent fire hydrant comprises a water pipe (1) and a vertical hydrant (2), wherein the water pipe (1) and the vertical hydrant (2) are vertically and fixedly connected and are mutually communicated, and the fire hydrant is characterized in that a port is formed in the top end of the vertical hydrant (2), an opening and closing piece (3) is sealed at the port, a water outlet (4) is formed in the side wall of the vertical hydrant (2), and a clamping mechanism (5) is arranged at the water outlet (4);
the sealing ring (6) is sealed in the vertical bolt (2), a plug column (7) used for being matched with a port of the sealing ring (6) is arranged in the vertical bolt (2), a baffle (8) is fixedly connected to the plug column (7), a plurality of through holes (9) are formed in the baffle (8) close to the edge of an outer ring, a connecting rod (10) is rotatably connected to the baffle (8), the connecting rod (10) is matched and connected with the opening and closing piece (3), a control mechanism (11) used for controlling the clamping mechanism (5) is arranged on the connecting rod (10), a power generation impeller (12) is fixedly connected in the water pipe (1), and the power generation impeller (12) is electrically connected with the control mechanism (11);
the opening and closing piece (3) comprises a sealing cover (13) connected to a port of the vertical bolt (2), a first threaded hole is formed in the center of the sealing cover (13), a threaded column (14) is connected to the first threaded hole in a threaded mode, a second threaded hole is formed in the threaded column (14), the second threaded hole is connected with the connecting rod (10) in a threaded mode, and the upper edge of the threaded column (14) protrudes out of the first threaded hole; the threaded connection direction of the sealing cover (13) and the threaded column (14) is opposite;
the clamping mechanism (5) comprises a water outlet pipe (15) fixedly connected to the side wall of the vertical bolt (2), the water outlet pipe (15) is communicated with the water outlet (4), a clamping piece (16) is arranged on the outer side wall of the water outlet pipe (15), an inner cavity (17) is arranged in the pipe wall of the water outlet pipe (15), a sealing bag (18) is connected to the inner wall of the inner cavity (17) in a sealing mode, and one end of the sealing bag (18) protrudes out of the pipe orifice of the water outlet pipe (15);
the clamping piece (16) comprises a rotating plate (19) sleeved outside the water outlet pipe (15), an annular sliding groove (20) is arranged on the inner wall of the rotating plate (19), a plurality of sliding blocks (21) are connected in the annular sliding groove (20) in a sliding manner, the sliding block (21) is fixedly connected with the outside of the water outlet pipe (15), the rotating plate (19) is coaxially and fixedly connected with an annular rack (29), a fixing plate (22) is coaxially and fixedly connected outside the water outlet pipe (15), a plurality of limiting columns (23) are inserted and rotatably connected on the fixing plate (22), the limiting column (23) is L-shaped, one end of the limiting column (23) far away from the bending part is fixedly connected with a gear (24), the gear (24) is meshed with the annular rack (29), and a group of sensor components are fixedly connected to the inner wall of one end, opposite to the water outlet pipe (15) and the rotating plate (19), of the water outlet pipe; the rotating plate (19) is rotated so that the annular rack (29) rotates, and then the annular rack (29) enables the limiting column (23) to synchronously rotate through the plurality of gears (24) which are meshed, so that the bent end of the limiting column is clamped with the head of the fire hose.
2. The intelligent fire hydrant in claim 1, wherein the sealing bag (18) is in a ring shape, the end of the sealing bag is received in the inner cavity (17), and the sealing bag (18) is made of rubber.
3. The intelligent fire hydrant according to claim 2, wherein the outlet pipe (15) is rotatably connected with a plurality of pressing plates (25) for pressing the sealing bag (18), and the pressing plates (25) are concave and arc-shaped.
4. The interface-mounted self-adaptive intelligent fire hydrant according to claim 1, wherein the control mechanism (11) comprises a sealing plate (26) sleeved on the connecting rod (10), the sealing plate (26) is connected with the connecting rod (10) in a sealing and sliding manner, an air pump (27), a control unit and a storage battery (28) are fixedly connected to the sealing plate (26) and are all connected with each other through electric wires, an air inlet end of the air pump (27) penetrates through the outside of the vertical bolt (2), an air outlet end of the air pump (27) is communicated with the inner cavity (17), and the storage battery (28) is electrically connected with the power generation impeller (12).
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| CN202110303458.4A CN113026868B (en) | 2021-03-22 | 2021-03-22 | Interface installation self-adaptive intelligent fire hydrant and use method thereof |
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| CN202110303458.4A CN113026868B (en) | 2021-03-22 | 2021-03-22 | Interface installation self-adaptive intelligent fire hydrant and use method thereof |
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| CN113026868B true CN113026868B (en) | 2022-06-07 |
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| CN212582804U (en) * | 2020-04-26 | 2021-02-23 | 钱海龙 | Fire hydrant interface arrangement |
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| US20100132806A1 (en) * | 2008-12-01 | 2010-06-03 | Mcwane Incorporated D/B/A Kennedy Valve | Fire hydrant check valve |
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| CN2553012Y (en) * | 2002-07-02 | 2003-05-28 | 北京海淀普惠机电技术开发公司 | Pressure-reducing pressure-stabilizing fire hydrant |
| JP2009201888A (en) * | 2008-02-29 | 2009-09-10 | Kitaura Seisakusho:Kk | Pressure reducing valve with water shut off function |
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| CN112190858A (en) * | 2020-10-12 | 2021-01-08 | 济南大学 | Improved fire fighting system |
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