CN108532683A - Water-saving, corrosion-resistant type fire hydrant based on bernoulli principle - Google Patents

Abstract

The invention discloses water-saving, corrosion-resistant type fire hydrants based on bernoulli principle, it includes being set to earth's surface pedestal below, the inlet valve being set on pedestal, water supply network, flexible hydrant body, inlet valve is used to control the connecting and disconnecting between flexible hydrant body and city supply water pipeline, water supply network is set between inlet valve and flexible hydrant body, and water supply network is for being connected high pressure water flow；The open-and-close mechanism includes the mounting bracket being set on pedestal, folding component is provided at the top of mounting bracket, the driving mechanism that driving folding component switches between opening state and closed state is provided between pedestal and flexible hydrant body, driving mechanism connects the driving end of the first transmission mechanism, the output end of first transmission mechanism connects the driving end of the second transmission mechanism, the driving end of the output end connection folding component of the second transmission mechanism；Wherein, inlet valve in the open state, with interface three connect by interface two, and interface one is connected with interface four；Inlet valve in the closure state, with interface four connect by interface two, and interface one is connected with interface three.

Description

Water-saving, corrosion-resistant type fire hydrant based on bernoulli principle

The present invention be the applying date be on November 25th, 2017, application No. is：2017111982888, entitled " installation In town road or the self extending hidden fire hydrant of architecture storey " patent of invention divisional application.

Technical field

The present invention relates to a kind of fire-fighting equipments, and in particular to a kind of fire hydrant.

Background technology

Huge disaster also is brought to the mankind while fire offers convenience to the mankind, fire hydrant is that a city is indispensable Fire fighting device indicates the development speed in a city, and the fire fighting device in city is generally all located at ground or more, often by road The vehicle crossed is miscued or even is smashed, and the fire hydrant after being smashed can give off a large amount of water, is not only influenced urban transportation, is influenced city City beautifies, and also wastes water resource, in addition to this, it is also possible to therefore delayed the fire rescue in city, give the life of people Property safety brings grave danger.

Invention content

To solve the deficiencies in the prior art, it being installed below ground the object of the present invention is to provide one kind and telescopic disappears Anti- bolt；To realize the above-mentioned technical purpose, the technical solution adopted in the present invention is as follows.

Water-saving, corrosion-resistant type fire hydrant based on bernoulli principle comprising be set to earth's surface pedestal below, be set to Inlet valve, water supply network, flexible hydrant body on pedestal, inlet valve is for controlling flexible hydrant body and city supply water pipeline Between connecting and disconnecting, water supply network is set between inlet valve and flexible hydrant body, and water supply network is for being connected high pressure Flow；Open-and-close mechanism is also set up on pedestal, open-and-close mechanism is sheathed on the outside of flexible hydrant body and can receive flexible fire hydrant The driving realization of body switches between open state and closed state；The inlet valve includes valve deck, water inlet valve core, water inlet Valve installs shell, and valve deck and inlet valve installation shell cooperatively form the cavity for accommodating water inlet valve core, water inlet valve core can into Around own axis and switching of the inlet valve between opening state and closed state is realized in water valve mounting shell body；Described It is one end open, the cylindrical barrel of other end sealing that inlet valve, which installs shell, and above-mentioned valve deck Matching installation is pacified in inlet valve The open end of shell is filled, the interface connected with its inner cavity, interface interval setting are provided on the periphery of inlet valve installation shell There are two, respectively interface one, interface two, wherein interface one install the open end of shell close to inlet valve, interface two close into Water valve installs the sealed end of shell, and the sealed end of inlet valve installation shell is provided with interface three, interface four, interface three, interface four The inner cavity that shell is installed with inlet valve respectively is connected；The flexible hydrant body includes the first standpipe, coaxial movable sleeve The second standpipe inside the first standpipe, the second standpipe can be vertical along the first fire-fighting in the first standpipe The central axis of pipe moves, and limited position mechanism is arranged between the first standpipe and the second standpipe, position-limit mechanism is for limiting It makes the second standpipe and is detached from the first standpipe, and when the second standpipe moves to position-limit mechanism, the first standpipe It is mutually connected with the second standpipe, the bottom of the first standpipe is provided with the interface five for entering hydrant body for flow, The interface six connected with its inner cavity is provided on the periphery of first standpipe；Second standpipe includes drainpipe The diameter of body and the positioning conduction mechanism coaxially arranged and mutually connected, the drainage conduit body is vertical less than the first fire-fighting The intracavity diameter of pipe, positioning conduction mechanism matched with the inner cavity of the first standpipe, the first standpipe inner cavity, drainage conduit body, It positions conduction mechanism and constitutes and hold water cavity, the region between the first standpipe inner cavity, positioning conduction mechanism, interface five was constituted Cavity is crossed, above-mentioned interface six is connected with water cavity is held, and close to the first standpipe at interface six and appearance water cavity connection Water outlet；The water supply network include first introduce pipe, Bernoulli Jacob's self-priming connecting tube, second introduce pipe, third introduce manage, the Four introducing pipes, the 5th introduce pipe, the 6th introducing pipe, check valve, the 7th introducing pipe, water tank, Bernoulli Jacob's self-priming connection Pipe is the pipe of both ends open, and the interface seven connected with its inner cavity is offered on the periphery of Bernoulli Jacob's self-priming connecting tube, described First introducing pipe one end connect one end of connection, the other end and Bernoulli Jacob's self-priming connecting tube with city supply water pipeline and connect Logical, second introducing pipe one end connect connection, the other end and the connection of interface two with the other end of Bernoulli Jacob's self-priming connecting tube and connects, the Three introducing pipe one end connect connection, the other end and the connection of interface three with interface five and connect, and the 4th introduces pipe one end connects with interface six Connection, the other end and the connection of interface four are connected, and the 5th introducing pipe one end connect connection, the other end and water tank with interface one Water inlet connection is connected, the water outlet connection connection of the 6th introducing pipe one end and water tank, the water inlet end of the other end and check valve Connection is connected, the 7th introduces pipe one end and the water outlet connection of check valve is connected, the other end and the connection of interface seven are connected, wherein singly It can only be from its water inlet end to water outlet one-way conduction to valve；The open-and-close mechanism includes the mounting bracket being set on pedestal, peace The top shelved is provided with folding component, be provided between pedestal and flexible hydrant body driving folding component in opening state and The driving mechanism switched between closed state, driving mechanism connect the first transmission mechanism driving end, the first transmission mechanism it is defeated Outlet connects the driving end of the second transmission mechanism, the driving end of the output end connection folding component of the second transmission mechanism；Wherein, into Water valve in the open state, with interface three connect by interface two, and interface one is connected with interface four；Inlet valve is in closed state When, interface two is connected with interface four, and interface one is connected with interface three.

The water inlet valve core includes valve rod, valve body, and the valve body is to install the coaxial phase of housing cavity with inlet valve Matched cylinder, the valve rod are fixedly connected with the valve body and coaxially arranged, and valve rod passes through the avoid holes that are opened on valve deck It stretches out inlet valve installation shell to connect with driving device, the driving force that valve body can receive valve rod is installed around own axes in inlet valve It is rotated in housing cavity, realizes that the opening and closing of inlet valve, the wherein height of valve body are less than inlet valve installation housing cavity Depth forms water containing space gap between valve body, inlet valve installation shell, valve deck, and above-mentioned interface one is connected with water containing space gap, described Valve body be provided with valve rod end face be provided with along valve body central axis run through its wall portion deflector hole, deflector hole setting there are two, Respectively deflector hole one and deflector hole two coaxially offer drainage annular groove on the periphery of valve body, drain the groove depth direction of annular groove With the central axis upright of spool, the slot bottom for draining annular groove offers deflector hole three, and valve body also opens up on the end face of valve rod There are the deflector hole four connected with deflector hole three, the inlet valve that housing cavity wall portion position corresponding with drainage annular groove is installed also Coaxial offer holds water ring slot, holds the central axis upright in the groove depth direction and inlet valve installation shell of water ring slot, holds water ring slot Appearance aquaporin is collectively formed with drainage annular groove, above-mentioned interface two is connected with aquaporin is held；Wherein, inlet valve is in the open state When, deflector hole four is connected with interface three, and deflector hole one is connected with interface four；Inlet valve in the closure state, deflector hole four with Interface four is connected, and deflector hole two is connected with interface three.

It is additionally provided on the inlet valve and accurately realizes for inlet valve and to switch between opening state and closed state Positioning device, positioning device include the positioning arc groove being opened on valve deck inner headed face, the locating ring for being sheathed on stem exterior, institute Be provided with locating piece between the locating ring stated and positioning arc groove, locating piece one end is fixedly connected with locating ring, the other end with calmly Position arc groove shiding matching, locating piece can be in positioning arc grooves along the guide direction sliding of positioning arc groove, the positioning Block constitutes slide-and-guide cooperation with positioning arc groove, and the length direction of the valve rod upper edge valve rod offers restraint slot, constrains The groove depth direction of slot is provided with constraint block, about perpendicular to the central axial direction of valve rod between the locating ring and restraint slot Beam block one end is fixedly connected with locating ring, the other end and restraint slot shiding matching, constraint block constitute slide-and-guide with restraint slot and match It closes, wherein locating piece can terminate movement in the start point/end point of positioning arc groove, and when locating piece moves to rising for positioning arc groove When point, deflector hole four is connected with interface three, and deflector hole one is connected with interface four, and locating piece moves to the terminal of positioning arc groove When, deflector hole four is connected with interface four, and deflector hole two is connected with interface three.

The positioning conduction mechanism includes that the connecting tube connected, and phase coaxially arranged with connecting tube are connect with drainage conduit body Connect the conduction pipe of connection, and conduction pipe is internally provided with water-stop sheet, water-stop sheet along vertically with positioning conduction mechanism central shaft Conduction pipe is divided into upper and lower two parts mutually disconnected by the direction of line, is offered on the periphery of conduction pipe and is connect with its inner cavity Logical water-guiding hole, water-guiding hole are respectively to be located at the first water-guiding hole above water-stop sheet and the second water guide below water-stop sheet Hole, the first above-mentioned hydrant body coaxially offer connection annular groove on the inner headed face of water outlet, connect the groove depth of annular groove with The central axis upright of first hydrant body, the first water-guiding hole and the second water-guiding hole can realize connection by connecting annular groove, described The first water-guiding hole, the second water-guiding hole show several along the Circle-Array of conduction pipe.

The driving mechanism includes power rail, guide rod, and power rail one end is provided with and the second standpipe periphery The lock sleeve, the other end that match are equipped with the guide sleeve to match with guide rod, and power rail one end passes through lock sleeve and Two standpipes are fixedly connected, and guide rod is set on pedestal and the central shaft of the central axis of guide rod and the second standpipe Line is parallel, and the other end of power rail is slidably connected by guide sleeve and guide rod, and guide sleeve constitutes sliding with guide rod and leads To cooperation, power rail can be moved synchronously with the movement of the second standpipe.

First transmission mechanism includes being installed on the second transmission mechanism the belt pulley of end, sliding sleeve is driven to be set to and lead To outside bar constraint sliding sleeve, the strainer and connection constraints sliding sleeve being set on pedestal, belt pulley and strainer simultaneously Realize that the belt of power transmission, the constraint sliding sleeve are located at the lower section of guide sleeve, belt one end connect with constraint sliding sleeve, is another One end connect around belt pulley with strainer, and gag lever post is additionally provided on the pedestal, limited block is equipped on gag lever post, Limited block is located between guide sleeve and constraint sliding sleeve, and limited block can realize the braking to constraining sliding sleeve with constraint sliding sleeve cooperation；

The strainer includes two guide posts that vertical spacing is set on pedestal, end of two guide posts far from pedestal Connecting plate is installed, the tensioning hole passed through for belt is offered on connecting plate, belt passes through tensioning hole to be set to two with sliding sleeve Guide post and the weight slide block connection between two guide posts, are additionally provided with the transition to match with belt at the tensioning hole Guide wheel is additionally provided with damping spring on the guide post between weight slide block and pedestal.

Above-mentioned pedestal, inlet valve, water supply network, flexible hydrant body, may be contained in fire-hydrant cabinet, fire hydrant babinet Top offer for stretch hydrant body stretching extending port, and extending port Matching installation be useful for realize extending port open and close Open-and-close mechanism, second transmission mechanism include the mounting plate for being installed on fire-hydrant cabinet, with belt pulley coaxial arrangement and set Be placed in mounting plate and can be around own axis driving gear, the driven tooth that is set on mounting plate and is engaged with driving gear Wheel, belt pulley and driving gear are placed in the side of mounting plate, and the driving gear, driven gear central axis are mutually parallel And the central axis upright with above-mentioned second standpipe, the driving of the receivable belt pulley of driving gear are simultaneously synchronous with belt pulley Rotation, driven gear engage synchronous backward rotation with driving gear, are additionally provided with actively fork on the driving gear, actively The length direction of swing rod is vertical with the central axial direction of driving gear, and driven lever, slave pendulum are additionally provided on driven gear The length direction of bar is vertical with the central axial direction of driven gear.

The folding component includes actively opening and closing component and driven folding component, actively opens and closes component, driven folding group The shape and structure of part is identical and central symmetry about extending port, is connect with above-mentioned actively fork wherein actively opening and closing component, Driven folding component is connect with above-mentioned driven lever, actively open and close component, driven folding component can be in actively fork, slave pendulum Realized under the driving of bar it is close to each other/be located remotely from each other movement, to realize closing and the opening of extending port, active folding Component includes the sealing plate being set at extending port, and the drive for receiving actively fork is provided between sealing plate and actively fork Power and the link mechanism that the driving force is transferred to sealing plate, sealing plate can be realized under the driving force towards/away from stretching The movement at mouth center, the link mechanism include the master connecting-rod mechanism for being connected to actively fork, slave connecting rod mechanism, are set to master The intermediate transmission bar of passing power, the length direction and driving tooth of intermediate transmission bar are used between link mechanism and slave connecting rod mechanism The centerline axis parallel of wheel and vertical with the direction of motion of sealing plate.

The water outlet of the second above-mentioned standpipe is communicated with outlet valve, and outlet valve can realize the second standpipe complete Switching after stretching out the first standpipe and being connected with the first standpipe between being discharged and cutting off the water supply, the outlet valve include Outlet valve installs shell, opens and closes valve pocket, opens and closes valve rod, insert body, and outlet valve installs the circular cylindrical shape that shell is both ends open Cylinder, outlet valve installation shell periphery on offer the draining connector being connect with outlet valve for fire-fighting equipment, draining The inner cavity of connector and outlet valve installation shell is connected, and is matched at the one end open of outlet valve installation shell and is consolidated with keying valve Set, opens and closes and offers threaded hole at the center of valve pocket, and be matched with keying valve rod in threaded hole, opens and closes valve rod and extends to water outlet The end side of valve installation enclosure interior is equipped with insert body, opens and closes valve rod and outlet valve installation shell coaxial line arrangement, and open and close Valve rod can be achieved to open and close movement of the valve rod along outlet valve installation shell central axis by the rotation in threaded hole, and described goes out Another open end of water valve installation shell matches connection with the water outlet of the second standpipe, and the draining connector is along water outlet Valve install shell circumference array several.

The advantageous effect of the present invention compared with prior art is, fire hydrant provided by the invention be installed on earth's surface hereinafter, When not in use, fire hydrant occupied space and will not be not easy to be damaged by shocks such as vehicles, when use can auto-extending ground complete to supply Water.

Description of the drawings

Fig. 1 is the structural schematic diagram that the present invention is in contraction state.

Fig. 2 is the structural schematic diagram that the present invention is in extended configuration.

Fig. 3 is the overall structure diagram of the present invention.

Fig. 4 is the inlet valve structural schematic diagram of the present invention.

Fig. 5 is the inlet valve internal structure schematic diagram of the present invention.

Fig. 6 is the inlet valve internal structure schematic diagram of the present invention.

Fig. 7 is the inlet valve valve core structure schematic diagram of the present invention.

Fig. 8 is the inlet valve valve core structure schematic diagram of the present invention.

Fig. 9 is the cooperation schematic diagram of the locating ring and valve deck of the present invention.

Figure 10 is the cooperation schematic diagram of the locating ring and water inlet valve core of the present invention.

Figure 11 is that the hydrant body of the present invention is in the structural schematic diagram of contraction state.

Figure 12 is that the hydrant body of the present invention is in the structural schematic diagram of extended configuration.

Figure 13 is the positioning conduction mechanism schematic diagram of the present invention.

Figure 14 is the cooperation schematic diagram between the water supply network and hydrant body and inlet valve of the present invention.

Figure 15 is Bernoulli Jacob's self-priming connecting pipe structure schematic diagram of the present invention.

Figure 16 is the one-way valve structures schematic diagram of the present invention.

Figure 17 is the cooperation schematic diagram of the open-and-close mechanism and hydrant body of the present invention.

Figure 18 is the driving mechanism schematic diagram in open-and-close mechanism of the present invention.

Figure 19 is the secondary actuating unit schematic diagram of the present invention.

Figure 20 is the second transmission mechanism of the present invention.

Figure 21 is the cooperation schematic diagram of the link mechanism and sealing plate of the present invention.

Figure 22 is the link mechanism schematic diagram of the present invention.

Figure 23 is the outlet valve structural schematic diagram of the present invention.

Figure 24 is the cooperation schematic diagram of the planetary reduction gear and inlet valve of the present invention.

Figure 25 is the planetary reduction gear structural schematic diagram of the present invention.

Figure 26 is the cooperation schematic diagram of the planetary gear and planet carrier of the present invention.

Figure 27 is the planet carrier structure schematic diagram of the present invention.

Figure 28 is the cooperation schematic diagram of the sun gear and drive shaft of the present invention.

Specific implementation mode

As shown in figure 3, water-saving, corrosion-resistant type fire hydrant based on bernoulli principle comprising it is below to be set to earth's surface Pedestal 100, the inlet valve 200 being set on pedestal 100, water supply network 300, flexible hydrant body 400, inlet valve 200 are used for The flexible connecting and disconnecting between hydrant body 400 and city supply water pipeline of control, water supply network 300 are set to inlet valve 200 Between flexible hydrant body 400, water supply network 300 is for being connected high pressure water flow.

As shown in figure 3, also setting up open-and-close mechanism 500 on pedestal 100, open-and-close mechanism 500 is sheathed on flexible hydrant body 400 Outside and can receive the driving realization of flexible hydrant body 400 and switch between open state and closed state, flow is by city City's water supply line enters hydrant body 400 of stretching through inlet valve 200 by water supply network 300, and open-and-close mechanism 500 is in flexible fire-fighting It is opened under the driving of body 400,400 protruding earth's surface of hydrant body of stretching, fire fighter can pass through flexible hydrant body 400 Water source is obtained, realizes that fire extinguishing is speedily carried out rescue work, since flexible hydrant body 400 only stretches out earth's surface or more at work, when it does not work Positioned at earth's surface hereinafter, avoid hydrant body 400 it is exposed smashed outside by vehicular traffic/aging it is serious the problems such as appearance.

As shown in figs. 4 through 10, the inlet valve 200 includes valve deck 220, water inlet valve core 230, inlet valve installation shell 240, valve deck 220 cooperatively forms the cavity for accommodating water inlet valve core 230 with inlet valve installation shell 240, and water inlet valve core 230 can Around own axis and realize inlet valve 200 between opening state and closed state in inlet valve installation shell 240 Switching.

More specifically, the inlet valve installs the cylindrical barrel that shell 240 seals for one end open, the other end, Above-mentioned 220 Matching installation of valve deck installs the open end of shell 240 in inlet valve, and inlet valve is installed on the periphery of shell 240 It is provided with the interface connected with its inner cavity, there are two interface interval settings, respectively interface 1, interface 2 242, wherein connecing Mouth 1 installs the open end of shell 240 close to inlet valve, and interface 2 242 installs the sealed end of shell 240 close to inlet valve, Here interface 1, interface 2 242 are taken spaced apart the reason is that, avoiding phase when follow-up connecting pipe between pipeline The sealed end of mutually interference, inlet valve installation shell 240 is provided with interface 3 243, interface 4 244, interface 3 243, interface 4 244 The inner cavity that shell 240 is installed with inlet valve respectively is connected.

The water inlet valve core 230 includes valve rod 231, valve body 232, and the valve body 232 is and inlet valve mounting shell The cylinder that 240 coaxial of body matches, the valve rod 231 are fixedly connected with the valve body and coaxially arranged, and valve rod 231 passes through The avoid holes being opened on valve deck 220 are stretched out inlet valve installation shell 240 and are connect with driving device, and valve body 232 can receive valve rod 231 driving force is rotated around own axes in 240 inner cavity of inlet valve installation shell, realizes the opening and closing of inlet valve 200, Wherein the height of valve body 232 is less than the depth of 240 inner cavity of inlet valve installation shell, valve body 232, inlet valve installation shell 240, valve Water containing space gap is formed between lid, above-mentioned interface 1 is connected with water containing space gap, and the valve body 232 is provided with valve rod 231 End face is provided with the deflector hole for running through its wall portion along 232 central axis of valve body, and there are two deflector hole settings, respectively deflector hole one Two 232b of 232a and deflector hole, it is preferred that deflector hole arranged for interval and about the central symmetry of valve body 232, the outer circle of valve body 232 Drainage annular groove 232c, the central axis upright in the groove depth direction and spool 230 of drainage annular groove 232c, drainage are coaxially offered on face The slot bottom of annular groove 232c offers three 232cc of deflector hole, and valve body 232 is further opened on the end face of valve rod 231 and deflector hole Three 232cc connect four 232d of deflector hole, it is preferred that four 232d of deflector hole be located at one 232a of deflector hole and two 232b of deflector hole it Between and four 232d of deflector hole, one 232a of deflector hole, two 232b of deflector hole do not arranged collinearly in 3 points.

More optimize, the inlet valve installs 240 inner cavity wall portion of shell position corresponding with drainage annular groove 232c also Coaxial offer holds water ring slot 245, holds the central axis upright in the groove depth direction and inlet valve installation shell 240 of water ring slot 245, Hold water ring slot 245 and drainage annular groove 232c and collectively form appearance aquaporin, above-mentioned interface 2 242 is connected with aquaporin is held, passed through It adds and holds water ring slot 245, extend the water capacity of inlet valve 200, increase the carrying capacity of flow.

It is more perfect, it is additionally provided on the inlet valve 200 and accurately realizes opening state for inlet valve 200 and close The positioning device switched between conjunction state, positioning device include the positioning arc groove 221 being opened on 220 inner headed face of valve deck, set Locating ring 210 outside valve rod 231 is provided with locating piece 212 between the locating ring 210 and positioning arc groove 221, 212 one end of locating piece is fixedly connected with locating ring 210, the other end and positioning 221 shiding matching of arc groove, and locating piece 212 can be Position the guide direction sliding along positioning arc groove 221 in arc groove 221, the locating piece 212 and positioning 221 structure of arc groove Coordinate at slide-and-guide, the length direction of the 231 upper edge valve rod 231 of valve rod offers restraint slot 231a, restraint slot 231a Groove depth direction perpendicular to the central axial direction of valve rod 231, be provided with about between the locating ring 210 and restraint slot 231a Beam block 211,211 one end of constraint block is fixedly connected with locating ring 210, the other end and restraint slot 231a shiding matchings, constraint block 211 Slide-and-guide cooperation is constituted with restraint slot 231a, wherein locating piece 212 can terminate movement in starting point/end of positioning arc groove 221 Point, and when locating piece 212 moves to the starting point of positioning arc groove 221, four 232d of deflector hole is connected with interface 3 243, water conservancy diversion One 232a of hole and interface 4 244 are connected, when locating piece 212 moves to the terminal of positioning arc groove 221, four 232d of deflector hole with connect Mouth 4 244 is connected, and two 232b of deflector hole is connected with interface 3 243.

As figs 11-13, the flexible hydrant body 400 includes the first standpipe 410, is coaxially movably set in The second standpipe 420 inside first standpipe 410, the second standpipe 420 can be in the first standpipes 410 along the The central axis of one standpipe 410 moves, and position restrainer is provided between the first standpipe 410 and the second standpipe 420 Structure, position-limit mechanism are detached from the first standpipe 410 for limiting the second standpipe 420, and when the second standpipe 420 moves When to position-limit mechanism, the first standpipe 410 and the second standpipe 420 are mutually connected, and the bottom of the first standpipe 410 is set Be equipped with the interface 5 412 for entering hydrant body 400 for flow, be provided on the periphery of the first standpipe 410 in it The interface 6 413 that chamber is connected.

More specifically, second standpipe 420 include drainage conduit body 421 and coaxially arrangement and mutually The positioning conduction mechanism 422 of connection, the diameter of the drainage conduit body 421 are less than the intracavity diameter of the first standpipe 410, fixed Position conduction mechanism 422 is matched with the inner cavity of the first standpipe 410,410 inner cavity of the first standpipe, drainage conduit body 421, positioning Conduction mechanism 422, which is constituted, holds water cavity, the region between 410 inner cavity of the first standpipe, positioning conduction mechanism, interface 5 412 Constitute transition cavity, above-mentioned interface 6 413 is connected with water cavity is held, and interface 6 413 with hold at water cavity connection close to the The water outlet of one standpipe 410.

As shown in figure 13, the positioning conduction mechanism 422 includes that the connecting tube connected is connect with drainage conduit body 421 422a, with connecting tube 422a it is coaxially arranged and be connected with each other connect conduction pipe 422b, conduction pipe 422b be internally provided with every Conduction pipe 422b is divided by water plate 422b2, water-stop sheet 422b2 along the direction vertically with positioning 422 central axis of conduction mechanism Upper and lower two parts mutually disconnected offer the water-guiding hole connected with its inner cavity on the periphery of conduction pipe 422b, and water-guiding hole divides It Wei not be positioned at the first water-guiding hole 422b1 above water-stop sheet 422b2 and the second water-guiding hole below water-stop sheet 422b2 422b3, the first above-mentioned hydrant body 410 coaxially offer on the inner headed face of water outlet and connect annular groove 411, connect annular groove The central axis upright of 411 groove depth and the first hydrant body 410, the first water-guiding hole 422b1 can lead to the second water-guiding hole 422b3 It crosses connection annular groove 411 and realizes connection.

More optimize, the first water-guiding hole 422b1, the second water-guiding hole 422b3 are shown along the Circle-Array of conduction pipe Several, so as to further increase the carrying capacity of flow.

More specifically, above-mentioned position-limit mechanism is the limiting stand for being set to 410 water outlet inner headed face of the first standpipe Rank and the limit raised line 422aa being set on connecting tube 422a peripheries, the limited step are along the first standpipe The built-in step that 410 inner circles are narrowed towards center, when limiting raised line 422aa and built-in step contacts, the second standpipe 420 Stop motion, at this time the first water-guiding hole 422b1 and the second water-guiding hole 422b3 realize and connect that flow is by the by connecting annular groove 411 One standpipe 410 enters through the second water-guiding hole 422b3 connects annular groove 411, therewith, by connection annular groove 411 through the first water-guiding hole 422b1 enters the second standpipe 420, and above-mentioned interface 6 413 is located at built-in step and connects between annular groove 411.

As shown in figure 14, the water supply network 300 includes first introducing pipe 310, Bernoulli Jacob's self-priming connecting tube 320, the Two introduce pipe 330, third introduces pipe the 340, the 4th and introduces the introducing introducing of pipe the 360, the 6th of pipe the 350, the 5th pipe 370, check valve 380, the 7th pipe 390, water tank are introduced, Bernoulli Jacob's self-priming connecting tube 320 is the pipe of both ends open, Bernoulli Jacob's self-priming The interface 7 324 connected with its inner cavity is offered on the periphery of connecting tube 320, when flow flows through Bernoulli Jacob's self-priming connecting tube When 320, the flow in the pipeline being connected to Bernoulli Jacob's self-priming connecting tube 320 by connector 7 324 can automatic stream Bernoulli Jacob Self-priming connecting tube 320, described first 310 one end of introducing pipe connect connection, the other end and Bernoulli Jacob with city supply water pipeline certainly One end connection for inhaling connecting tube 320 is connected, and second introducing 330 one end of pipe is connect with the other end of Bernoulli Jacob's self-priming connecting tube 320 Connect, the other end and interface 2 242 connection connect, third introduce 340 one end of pipe connect with interface 5 412 connection, the other end and The connection of interface 3 243 is connected, and the 4th introducing 350 one end of pipe connect connection, the other end and interface 4 244 with interface 6 413 and connects It connects, the water inlet connection that the 5th introducing 360 one end of pipe connect connection, the other end and water tank with interface 1 is connected, and the 6th The water inlet end connection for introducing water outlet connection connection, the other end and the check valve 380 of 370 one end of pipe and water tank is connected, and the 7th It introduces 390 one end of pipe and connect connection, the other end and the connection connection of interface 7 324, wherein check valve with the water outlet of check valve 380 380 can only be from its water inlet end to water outlet one-way conduction, and the meaning by adding check valve 380 is, avoids when flow is by city When city's water supply line flows to inlet valve 200 through the first high introducing pipe 310, flow is by entering in water tank.

As shown in figure 15, Bernoulli Jacob's self-priming connecting tube 320 includes taper water inlet 321, conical water outlet 322, Be provided with intermediate aqueduct 323 between taper water inlet 321, conical water outlet 322,323 one end of intermediate aqueduct and taper into The mouth of a river 321 is connected, the other end and conical water outlet 322 are connected, the openings of sizes of the taper water inlet 321 along Bernoulli Jacob from The central axis for inhaling connecting tube 320 is directed toward the gradually increase of taper water inlet 321 by intermediate aqueduct 323, conical water outlet 322 Openings of sizes is directed toward conical water outlet 322 by intermediate aqueduct 323 along the central axis of Bernoulli Jacob's self-priming connecting tube 320 and is gradually increased Greatly, the connector 7 324 connect connection with intermediate aqueduct 323, its significance lies in that so that Bernoulli Jacob's self-priming connecting tube 320 cross-sectional area is gradually decrease to gradual increased switching by taper water inlet 321 to the realization of conical water outlet 322, according to Flow formula Q=V*A（Wherein Q is flow, and V is flow velocity, and A is flow cross-sectional area）Can the timing of proper flow one, cross-section of pipeline Product becomes smaller（That is when A reduces）, the speed V that fluid flows through pipeline will increase, therefore water flows into intermediate aqueduct by taper water inlet Afterwards, the flow velocity of water will increase；By Bernoulli equation：(wherein, p is pressure to p+1/2 ρ v^2+ ρ gh=constant, and ρ is fluid density, v For fluid velocity, g is acceleration of gravity, and h is height) it is found that when fluid density ρ, gravity acceleration g, mono- timings of height h, stream Body speed v is bigger, and the pressure on interface that fluid is contacted with object is smaller, and therefore, flow is when intermediate aqueduct flows, flow Pressure between the wall portion of intermediate aqueduct reduces, at this point, under the action of inside and outside atmospheric pressure difference, passes through interface 7 324 The 7th flow being introduced into pipe 390 being connect with intermediate aqueduct can flow into intermediate aqueduct 323.

As shown in figure 16, the check valve 380 includes water inlet end housing 381, sealing ball 382, sealing spring 383, goes out Water end (W.E.) shell 384, water inlet end housing 381 cooperatively form with water outlet end housing 384 and accommodate sealing ball 382 and sealing spring 383 Cavity, the sealing spring 383 are located between water outlet end housing 384 and sealing ball 382,383 one end of sealing spring and water outlet End housing 384 supports real contact, the other end is supported with sealing ball 382 and contacted in fact, and sealing ball 382 can be under the promotion of sealing spring 383 Realize the sealing to water inlet end housing 381.

As shown in Figs. 1-2, it advanced optimizes, in order to make the present apparatus easily facilitate dismounting, repair, maintenance, the present invention is also Including fire-hydrant cabinet 700, above-mentioned pedestal 100, inlet valve 200, water supply network 300, flexible hydrant body 400 may be contained within In fire-hydrant cabinet, the top of fire hydrant babinet 700 offers the extending port for the stretching of hydrant body 400 of stretching, and extending port Matching installation is useful for realizing the open-and-close mechanism 500 that extending port opens and closes.

As shown in Fig. 3,17-22, the open-and-close mechanism 500 includes the mounting bracket 510 being set on pedestal 100, installation The top of frame 510 be provided with the matched folding component 550 of extending port, be provided between pedestal 100 and flexible hydrant body 400 The driving mechanism 560 that driving folding component 550 switches between opening state and closed state, the connection of driving mechanism 560 first The driving end of transmission mechanism 530, the output end of the first transmission mechanism 530 connect the driving end of the second transmission mechanism 540, and second passes The driving end of the output end connection folding component of motivation structure 540.

More specifically, the driving mechanism 560 includes power rail 561, guide rod 562, the setting of 561 one end of power rail There are the lock sleeve, the other end that match with 420 periphery of the second standpipe that the guiding to match with guide rod 562 is installed to slide Set, 561 one end of power rail are fixedly connected by lock sleeve with the second standpipe 420, and guide rod 562 is set on pedestal 100 And the centerline axis parallel of the central axis of guide rod 562 and the second standpipe 420, the other end of power rail 561 is by leading It is slidably connected to sliding sleeve and guide rod 562, guide sleeve and guide rod 562 constitute slide-and-guide cooperation, and power rail 561 can be with the The movement of two standpipes 420 moves synchronously.

First transmission mechanism 530 includes the belt pulley 532 for being installed on the second transmission mechanism 540 driving end, slides The dynamic constraint sliding sleeve 533 being sheathed on outside guide rod 562, the strainer being set on pedestal 100 and connection constraints sliding sleeve 533, belt pulley 532 and strainer 520 and the belt 531 of power transmission is realized, the constraint sliding sleeve 533, which is located to be oriented to, to be slided The lower section of set, sliding sleeve 533 is connect 531 one end of belt, the other end connect around belt pulley 532 with strainer 520, institute with constraint Be additionally provided with gag lever post 563 on the pedestal 100 stated, limited block be installed on gag lever post 563, limited block be located at guide sleeve with about Between beam sliding sleeve 533, limited block can realize the braking to constraining sliding sleeve 533 with the constraint cooperation of sliding sleeve 533, when the second standpipe When 420 protruding movement, power rail 561 is moved synchronously along guide rod 562, and constraint sliding sleeve 533 is transported upwards along guide rod 562 Dynamic, 531 driving belt pulley of belt, 532 clockwise movement, belt pulley 532 drives folding component 550 by the second transmission mechanism 540 Being switched from closed state to opening state, extending port is opened, and the second standpipe 420 stretches out fire-hydrant cabinet 700 by extending port, When the second 420 inside contractile motion of standpipe, power rail 561 is moved synchronously along guide rod, and constraint sliding sleeve 533 is along guide rod 562 move downward, 531 driving belt pulley of belt, 532 counterclockwise movement, and belt pulley 532 is opened by the driving of the second transmission mechanism 540 Seaming element 550 is switched from opening state to closed state, and the second standpipe 420 completes the time from extending port to contract The time required to completing to switch from opening state to closed state less than folding component 550.

As shown in figure 19, the strainer 520 is set to two guide posts on pedestal 100 including vertical spacing 522, two ends of the guide post 522 far from pedestal 100 are equipped with connecting plate, offer on connecting plate and are passed through for belt 531 It is tensioned hole, belt 531 is set to two guide posts 522 across tensioning hole and sliding sleeve and the counterweight positioned at two guide posts 522 is slided Block 521 connects.

More optimize, the transition guide wheel 523 to match with belt 531 is additionally provided at above-mentioned tensioning hole, if herein It is not provided with transition guide wheel 523, belt 531 can contact generation friction with tensioning hole during the motion, to be caused to belt 531 Abrasion reduces the service life of belt 531, by adding transition guide wheel 523, not only can be very good to solve belt 531 and open Friction problem between tieholen, while also belt is preferably tensioned.

It is more perfect, damping bullet is additionally provided between weight slide block 521 and pedestal 100 on the guide post 522 Spring 524 can be collided by adding damping spring 524 to avoid between weight slide block 521 and pedestal 100, be not only to slide counterweight The protection of block 521 can also reduce the noise due to weight slide block 521 and the collision generation of pedestal 100 simultaneously.

As shown in figure 20, second transmission mechanism 540 includes the mounting plate 541 and skin for being installed on fire-hydrant cabinet 700 532 coaxial arrangement of belt wheel and be set to mounting plate 541 and can around own axis driving gear 542, be set to mounting plate The driven gear 544 engaged on 541 and with driving gear 542, it is preferred that belt pulley 532 and driving gear 542 are placed in installation The side of plate 541, the driving gear 542,544 central axis of driven gear are mutually parallel and are stood with above-mentioned second fire-fighting The central axis upright of pipe 420, driving gear 542 can receive the driving of belt pulley 532 and rotated synchronously with belt pulley 532, from Moving gear 544 engages synchronous backward rotation with driving gear 542, and actively fork is additionally provided on the driving gear 542 543, the length direction of actively fork 543 is vertical with the central axial direction of driving gear 542, it is preferred that actively fork 543 with The end that driving gear 542 connects is located at the center of driving gear 542, and driven lever 545 is additionally provided on driven gear 544, The length direction of driven lever 545 is vertical with the central axial direction of driven gear 544, it is preferred that driven lever 545 with it is driven The end that gear 544 connects is located at the center of driven gear 544.

As shown in fig. 21-22, the folding component includes actively opening and closing component 550 and driven folding component, is actively opened Seaming element, driven folding component shape and structure is identical and central symmetry about extending port, wherein actively open and close component with it is upper The actively fork 543 stated connects, and driven folding component is connect with above-mentioned driven lever 545, actively opens and closes component, driven folding Component can actively fork 543, driven lever 545 driving under realize it is close to each other/be located remotely from each other movement, to realize stretch out The closing of mouth and opening.

As shown in figure 21, the component 550 that actively opens and closes includes the sealing plate 554 being set at extending port, sealing plate It is provided with the driving force for receiving actively fork 543 between 554 and actively fork 543 and the driving force is transferred to sealing plate 554 link mechanism, sealing plate 554 can realize the movement towards/away from extending port center, the connecting rod under the driving force Mechanism includes the master connecting-rod mechanism 551 for being connected to actively fork 543, slave connecting rod mechanism 552, be set to master connecting-rod mechanism 551 with The intermediate transmission bar 553 of passing power, the length direction and driving tooth of intermediate transmission bar 553 are used between slave connecting rod mechanism 552 The centerline axis parallel of wheel 542 and, actively fork 543 driving master connecting-rod mechanism 551 fortune vertical with the direction of motion of sealing plate 554 Dynamic, master connecting-rod mechanism 551 drives slave connecting rod mechanism 552 to move synchronously by intermediate transmission bar 553, and master connecting-rod mechanism 551, pair are even Movement of the sealing plate 554 towards/away from extending port center is realized in the cooperation of linkage 552, to realize the closing of extending port and beat It opens.

As shown in figure 22, the master connecting-rod mechanism 551 includes drive rod 551a, transition connecting rod 551b, interlocks connecting rod one 551c, it executes one 551d of connecting rod, execute two 551e of connecting rod, it is separate that described one end drive rod 551a is articulated with actively fork 543 One end of the end of driving gear 542, the other end and transition connecting rod 551b is hinged, the other end of transition connecting rod 551b and the company of gearing One end of one 551c of bar and the one end for executing one 551d of connecting rod are hinged, execute the other end and sealing plate 554 of one 551d of connecting rod Hinged, the other end for interlocking one 551c of connecting rod is coaxially socketed on the one of intermediate transmission bar 553 with the one end for executing two 551e of connecting rod End side, and the middle part for interlocking one 551c of connecting rod is hinged with mounting bracket 510, executes the other end and sealing plate 554 of two 551e of connecting rod Hinged, the slave connecting rod mechanism 552 includes executing three 552a of connecting rod, interlocking two 552b of connecting rod, execute connecting rod four 552c, shown One end of two 552b of gearing connecting rod the other end of intermediate transmission bar 553 is coaxially socketed on the one end for executing connecting rod three 552a Side, the other end for executing three 552a of connecting rod is hinged with sealing plate 554, interlocks the other end of two 552b of connecting rod and executes connecting rod four One end of 552c is hinged, wherein the middle part for interlocking two 552b of connecting rod is hinged with mounting bracket 510, executes the other end of four 552c of connecting rod Hinged with sealing plate 554, the above-mentioned hinged shaft core line direction hingedly formed is parallel with the length direction of intermediate transmission bar 553.

More specifically, the transition connecting rod 551b is " L " shape being made of stock and quarter butt, above-mentioned drive rod The quarter butt of 551a and transition connecting rod 551b is hinged, and described executes the angled company of connecting rod that one 551d of connecting rod is two equal lengths Connect composition, ranging from 80 ° -120 °, preferably 90 ° -110 ° of the minimum value of angle between two connecting rods.

As shown in figure 23, time enough connects water band, the second above-mentioned standpipe 420 for the ease of fire fighter Water outlet be communicated with outlet valve 430, outlet valve 430 can realize the second standpipe 420 in fully extended first standpipe 410 and switching between being discharged and cutting off the water supply after being connected with the first standpipe 410, the outlet valve 430 includes outlet valve Shell 436 is installed, valve pocket 432 is opened and closed, opens and closes valve rod 433, insert body 434, it is both ends open that outlet valve, which installs shell 436, Circular cylindrical shape cylinder, outlet valve installation shell 436 periphery on offer the row being connect with outlet valve 430 for fire-fighting equipment Water connector 436a, draining connector 436a and the inner cavity of outlet valve installation shell 436 are connected, and outlet valve installs shell 436 Matching, which is consolidated with, at one end open opens and closes valve pocket 432, opens and closes and offers threaded hole at the center of valve pocket 432, and in threaded hole It is matched with and opens and closes valve rod 433, open and close the end side that valve rod 433 extends to inside outlet valve installation shell 436 and insert body is installed 434, valve rod 433 and outlet valve installation 436 coaxial line of shell arrangement are opened and closed, and open and close valve rod 433 and pass through the rotation in threaded hole Turn to can be achieved to open and close the movement that valve rod 433 installs 436 central axis of shell along outlet valve, spool is driven to open and close valve rod 433 Ontology 434 moves synchronously, and realizes to block the coincidence for draining connector 436a in the process and be opened with dislocation, to realize The switching between opening state in off position of outlet valve 430, the outlet valve install shell 436 another open end with The water outlet matching connection of second standpipe 420.

More specifically, the keying valve rod 433 includes drive section and interlocks section, interlocks and is provided with screw thread in section, drives Dynamic section is polygon cylinder, and drive section is matched with and opens and closes valve rod 433 around the opening handle of own axis, institute for driving Polygonal grooves corresponding with polygon cylinder are offered on the opening handle stated, and pass through polygonal grooves and polygon cylinder Cooperation realize torque transmission to drive open and close valve rod 433 rotation, complete outlet valve 430 in opening state and closed form Switching between state.

It is more perfect, it is additionally provided with limiting device between the insert body 434 and the second standpipe 420, Meaning is that insert body 434 is contacted with limiting device during the motion, and limiting device limits the continuation of insert body 434 Movement, and when limiting device is in maximum compressibility, insert body 434 just realizes the closure to draining connector 436a, The limiting device includes limit spring 435, holder 436b, and holder 436b is inscribed in outlet valve installation 436 internal chamber wall of shell Portion, the holder 436b is located at the lower section of draining connector 436a, and holder 436b is arranged to that the second standpipe can be connected to 420 are set to 436 inner cavity of outlet valve installation shell, the limit spring 435 between holder 436b and insert body 434, 435 one end of limit spring is contacted with insert body 434 to reality, the other end is supported with holder 436b and contacted in fact, the bullet of limit spring 435 Property push movable valve plug ontology 434 central axis of shell 436 be installed along outlet valve and be directed away from the direction of holder 436b and move.

More optimize, the described draining connector 436a along outlet valve install shell 436 circumference array several, Meaning is, can connect multiple fire-fighting equipments simultaneously, improves water application efficiency.

Unlatching for the ease of fire fighter to inlet valve 200 is additionally provided with planetary reduction gear on the inlet valve 200 600, the planetary reduction gear 600 is connect with above-mentioned valve rod 231, as known to those skilled in the art, planetary reduction gear 600 Increase torque can be played, high-revolving effect is put forward, so that fire fighter can be quickly completed with smaller strength into water Switching of the valve 200 between opening state and closed state, is greatly saved the time, there is important meaning in actual use Justice.

As illustrated in figs. 24-28, the planetary reduction gear 600 includes installation shell 630, upper cover 610, planetary reduction gear sheet Body 620, the circular cylinder body installed shell 630 and sealed for one end open, the other end, upper cover 610 and installation shell 630 Open end cooperatively forms the cavity for accommodating planetary reduction gear ontology 620, and the planetary reduction gear ontology 620 includes ring gear 621, ring gear 621 is coaxially connected in 630 inner cavity of installation shell by attachment device, and attachment device makes ring gear 621 limit Ring gear 621 is around the center rotating of installation shell 630, and upper cover 610 coordinates with installation shell 630 so that ring gear 621 is consolidated in Install shell 630 inner cavity, ring gear 621 it is centrally disposed there are one from external impetus drive and can be carried out around own axes The sun gear 622b of rotary motion is additionally provided with one group by three planetary gears between sun gear 622b and ring gear 621 Decile is combined in the planetary gear set 623 on planet carrier 623a, and the planet carrier 623a is connect with valve rod 231, sun gear 622b is connect with actuator 622, and planetary gear set 623 is swum by valve rod 231, ring gear 621 and sun gear 622b supports Planetary gear rotation can be driven, and follow this when external force drives sun gear 622b rotations by actuator 622 in period The track of ring gear 621 is revolved round the sun along the center of ring gear 621, and further, planetary rotation drive is connected to planet The valve rod 231 of frame 623a rotates, to drive inlet valve 200 to switch between opening state and closed state.

More specifically, above-mentioned attachment device includes the spacing block set 621a being set on 621 periphery of ring gear, sets It is placed in the built-in step of installation 630 inner cavity wall portion of shell and is opened in the limiting groove 631 of installation 630 inner cavity wall portion of shell, The spacing block set 621a is outwardly protruded along the center away from ring gear 621, and the limiting groove 631 is located at built-in step Top and limiting groove 631 matched with spacing block set 621a, the ring gear 621 pass through spacing block set 621aa with limit The cooperation of groove 631 and the support of built-in step are coaxially socketed on the open end of mounting shell body 630, the planet carrier 623a Including supporting rack 623a1, branch sleeve 623a2, supporting rack 623a1 is triangular in shape, the branch sleeve 623a2 and supporting rack 623a1 is fixedly connected and arranged concentric, and supporting rack 623a1 is provided with planetary gear set on the end face far from branch sleeve 623a2 623, the planetary gear set includes one 623b of planetary gear, two 623c of planetary gear, three 623d of planetary gear, planetary gear One 623b, two 623c of planetary gear, three 623d of planetary gear can be around own axis and rotation axis and installation shell 630 Centerline axis parallel, one 623b of planetary gear, two 623c of planetary gear, three 623d of planetary gear in 3 points arrangement and It is corresponding with the vertex of supporting rack 623a1, above-mentioned one 623b of planetary gear, two 623c of planetary gear, three 623d of planetary gear It is set between ring gear 621 and sun gear 622b, one 623b of planetary gear, two 623c of planetary gear, three 623d of planetary gear It engages with ring gear 621, and is engaged respectively with sun gear 622b respectively, the inner cavities the branch sleeve 623a2 wall portion is also set up There are drive lugs 623a3, the drive lugs 623a3 to match with the restraint slot 231a on valve rod 231, branch sleeve 623a2 be coaxially socketed on valve rod 231 stretch out valve deck 220 end, branch sleeve 623a2 can by drive lugs 623a3 with about The transmission that torque realizes rotary force is transmitted in the cooperation of beam slot 231a.

More specifically, the actuator 622 includes drive shaft 622a, and drive shaft 622a is fixed with sun gear 622b to be connected It connects and coaxially arranged, the driving end of the drive shaft 622a, which is provided with, starts lock core 622a1, startup lock core 622a1 herein It is same technical characteristic with the polygon cylinder hereinbefore lifted, i.e., opening handle can be real with merging with startup lock core 622a1 The transmission of existing torque.

More optimize, the spacing block set 621a is provided with periphery even circumferential multiple and along ring gear 621 It is spaced apart, similarly the limiting groove 631 is also correspondingly arranged on multiple and along installation 630 inner cavity wall portion even circumferential of shell It is spaced apart, the installation shell 630, which is located on the periphery below built-in step, offers permeable hole 632, permeable hole 632 It is connected with the inner cavity of installation shell 630, its significance lies in that, it can be discharged in time and enter planetary reduction gear due to rainwater weather etc. The water of device 600, to slow down the corrosion of planetary reduction gear 600.

When needing using the present invention, operating personnel can be rotarily opened by opening handle with lock core 622a1 cooperations are started Handle drives planetary reduction gear 600 works as locating piece so that the water inlet valve core 230 in inlet valve 200 rotates clockwise 212 when moving to the starting point of positioning arc groove 221, and four 232d of deflector hole and interface 3 243 are connected, one 232a of deflector hole and interface 4 244 connect, and inlet valve 200 is in the open state, and flow enters first by city supply water pipeline and introduces pipe 310, therewith, flow Enter second through Bernoulli Jacob's self-priming connecting tube 320 and introduce pipe 330, in the process, the water in water tank introduces pipe 370 by the 6th Enter the 7th through check valve 380 to introduce pipe 390 and flow into Bernoulli Jacob's self-priming connecting tube 320 and therewith together by interface 7 324 It imports second and introduces pipe 330, flow introduces pipe 330 by second and enters appearance aquaporin by interface 2 242, and flow is by leading therewith Three 232cc of discharge orifice enters four 232d of deflector hole, and further, water, which flows into incoming interface 3 243 and flows into third therewith, introduces pipe 340 And the first standpipe 410 is entered by interface 5 412, and flow is contacted with water-stop sheet 422b2, under the action of hydraulic pressure, flow Push the second standpipe 420 along the axis of the first standpipe 410 from the water inlet end of the first standpipe 410 to the second fire-fighting The water outlet end motion of standpipe 420, while power rail 561 is moved synchronously along guide rod 562, constraint sliding sleeve 533 along guide rod 562 to Upper movement, 531 driving belt pulley of belt, 532 clockwise movement, belt pulley 532 drive folding group by the second transmission mechanism 540 Part 550 is switched from closed state to opening state, and extending port is opened, and the second standpipe 420 stretches out fire hydrant by extending port Case 700 holds water cavity and is gradually reduced in the process, and the water and/or air in appearance water cavity are in the second standpipe 420 Enter the 4th by interface 6 413 under promotion and introduce pipe 350, flow introduces pipe 350 by the 4th and enters inlet valve by interface 4 244 200, further, flow enters water containing space gap by one 232a of deflector hole, flow by water containing space gap into incoming interface 1, with Afterwards, flow is introduced into pipe 360 into the 5th by interface 1 and is entered in water tank by water inlet, so recycles repeatedly, until When second standpipe 420 moves to position-limit mechanism, at this point, the second standpipe 420 is in fully extended state, the first fire-fighting Standpipe 410 and the second standpipe 420 are connected, and flow enters connection by the first standpipe 410 by the second water-guiding hole 422b3 Annular groove 411, further, flow enter the second standpipe 420 by connection annular groove 411 by the first water-guiding hole 422b1, open Outlet valve 430, flow are discharged by the second standpipe 420 by outlet valve 430, at this point, holding the water and/or air in water cavity It is fully drained, water and/or air is full of in transition cavity.

When the transition state in the open state between closed state of inlet valve 200, interface 3 243, interface 4 244 are equal It is off, the second standpipe 420 is still in extended configuration but pipe stopping water outlet, at this point, no matter outlet valve 430 is in Which kind of state is all discharged without flow.

When needing to close the present invention, operating personnel close outlet valve 430, while passing through opening handle and startup lock core 622a1 cooperations rotarily open handle drives planetary reduction gear 600, so that 230 inverse time of water inlet valve core in inlet valve 200 Needle rotates, and when locating piece 212 moves to the terminal of positioning arc groove 221, four 232d of deflector hole is connected with interface 4 244, is led Two 232b of discharge orifice is connected with interface 3 243, and inlet valve 200 is in closed state, and flow is drawn by city supply water pipeline into first Enter pipe 310, therewith, water flows through Bernoulli Jacob's self-priming connecting tube 320 and enters the second introducing pipe 330, in the process, in water tank Water is introduced pipe 370 and introduced pipe 390 into the 7th through check valve 380 and flow into Bernoulli Jacob's self-priming by interface 7 324 by the 6th to be connected Take over 320 simultaneously imports the second introducing pipe 330 together therewith, and flow introduces pipe 330 by second and enters Rong Shuitong by interface 2 242 Road, therewith, flow enter four 232d of deflector hole by three 232cc of deflector hole, then, water flow into incoming interface 4 244 and therewith into Enter the 4th introducing pipe 350, flow introduces pipe 350 by the 4th and enters appearance water cavity, flow and conduction pipe 422b by interface 6 413 Wall portion contact, under the action of hydraulic pressure, the second standpipe of water jet propulsion 420 along the first standpipe 410 axis by first Water inlet end motion of the water outlet of standpipe 410 to the first standpipe 410, the first standpipe 410 and the second fire-fighting are vertical Pipe 420, which disconnects, to be connected, and the second standpipe 420 stops water outlet, and power rail 561 is moved synchronously along guide rod, 533 edge of constraint sliding sleeve Guide rod 562 moves downward, and 531 driving belt pulley of belt, 532 counterclockwise movement, belt pulley 532 passes through the second transmission mechanism 540 Driving folding component 550 is switched from opening state to closed state, in the process, the first standpipe 410 and the second fire-fighting The transition cavity formed between 420 bottom of standpipe is gradually reduced, and the water and/or air in transition cavity are entered by interface 5 412 Third introduces pipe 340, and flow introduces pipe 340 by third and enters inlet valve 200 by interface 3 243, and further, flow passes through Two 232b of deflector hole enters water containing space gap, and flow is flowed into incoming interface 1 and therewith the 5th and introduce pipe 360 by water containing space gap, It is finally introduced into pipe 360 by the 5th by water inlet to enter in water tank, until the second standpipe 420 collapses into first and disappears completely In anti-standpipe 410, at this point, the water and/or air in transition cavity are fully drained, hold and be full of water and/or air in water cavity.

Inlet valve 200 is opened, flow enters first by city supply water pipeline and introduces pipe 310, and therewith, water flows through Bernoulli Jacob certainly It inhales connecting tube 320 and enters the second introducing pipe 330, in the process, the water in water tank introduces pipe 370 through check valve by the 6th 380 enter the 7th introducing pipe 390 and flow into Bernoulli Jacob's self-priming connecting tube 320 by interface 7 324 and import second together therewith Pipe 330 is introduced, flow introduces pipe 330 by second and enters appearance aquaporin by interface 2 242, and flow passes through deflector hole three therewith 232cc enters four 232d of deflector hole, and further, water flows into incoming interface 3 243 and flows into third therewith and introduces pipe 340 and pass through Interface 5 412 enters the first standpipe 410, and under the action of hydraulic pressure, the second standpipe of water jet propulsion 420 is along the first fire-fighting Water outlet end motion of the axis of standpipe 410 from the water inlet end of the first standpipe 410 to the second standpipe 420；

Power rail 561 is moved synchronously along guide rod 562 with the second standpipe 420 simultaneously, and constraint sliding sleeve 533 is along guide rod 562 move upwards, 531 driving belt pulley of belt, 532 clockwise movement, and belt pulley 532 is opened by the driving of the second transmission mechanism 540 Seaming element 550 is switched from closed state to opening state, and extending port is opened, and the second standpipe 420 is disappeared by extending port stretching Anti- bolt housing 700 is held water cavity and is gradually reduced in the process, and the water and/or air in appearance water cavity are in the second standpipe Enter the 4th by interface 6 413 under 420 promotion and introduce pipe 350, flow introduces pipe 350 by the 4th and entered by interface 4 244 Inlet valve 200, further, flow enter water containing space gap by one 232a of deflector hole, and flow is by water containing space gap into incoming interface one 241, then, flow is introduced into pipe 360 into the 5th by interface 1 and is entered in water tank by water inlet, and so cycle is anti- It is multiple, until when the second standpipe 420 moves to position-limit mechanism, at this point, the second standpipe 420 is in fully extended state, First standpipe 410 and the second standpipe 420 are connected, and flow passes through the second water-guiding hole 422b3 by the first standpipe 410 Into annular groove 411 is connected, further, flow enters the second standpipe by connection annular groove 411 by the first water-guiding hole 422b1 420, outlet valve 430 is opened, flow is discharged by the second standpipe 420 by outlet valve 430, at this point, holding the water in water cavity And/or air is fully drained, and water and/or air are full of in transition cavity；

When the transition state in the open state between closed state of inlet valve 200, interface 3 243, interface 4 244 are in Off-state, the second standpipe 420 is still in extended configuration but pipe stopping water outlet, at this point, no matter which kind of outlet valve 430 is in State is all discharged without flow；

Inlet valve 200 is closed, flow enters first by city supply water pipeline and introduces pipe 310, and therewith, water flows through Bernoulli Jacob's self-priming company Take over 320 enters second and introduces pipe 330, in the process, water in water tank by the 6th introduce pipe 370 through check valve 380 into Enter the 7th introducing pipe 390 and Bernoulli Jacob's self-priming connecting tube 320 is flowed by interface 7 324 and imports second together therewith and introduces pipe 330, flow by second introduce pipe 330 by interface 2 242 enter hold aquaporin, therewith, flow by three 232cc of deflector hole into Enter four 232d of deflector hole, then, water, which flows into incoming interface 4 244 and enters the 4th therewith, introduces pipe 350, and flow is introduced by the 4th and managed 350 enter appearance water cavity by interface 6 413, and under the action of hydraulic pressure, the second standpipe of water jet propulsion 420 is along the first fire-fighting Water inlet end motion of the axis of standpipe 410 from the water outlet of the first standpipe 410 to the first standpipe 410, the first fire-fighting Standpipe 410 and the second standpipe 420, which disconnect, to be connected, and the second standpipe 420 stops water outlet；

Power rail 561 is moved synchronously along guide rod, and constraint sliding sleeve 533 is moved downward along guide rod 562,531 drive belt of belt Take turns 532 counterclockwise movements, belt pulley 532 drives folding component 550 from opening state to closed form by the second transmission mechanism 540 State switches, and in the process, the transition cavity formed between 420 bottom of the first standpipe 410 and the second standpipe is gradual Reduce, the water and/or air in transition cavity enter third by interface 5 412 and introduces pipe 340, and flow introduces pipe 340 by third Enter inlet valve 200 by interface 3 243, further, flow enters water containing space gap by two 232b of deflector hole, and flow is by holding Water space is into incoming interface 1 and flows into the 5th introducing pipe 360 therewith, is finally entered by water inlet by the 5th introducing pipe 360 In water tank, until the second standpipe 420 is collapsed into completely in the first standpipe 410, at this point, the water in transition cavity And/or air is fully drained, and is held and is full of water and/or air in water cavity.

Claims (5)

1. water-saving, corrosion-resistant type fire hydrant based on bernoulli principle, which is characterized in that it includes being set to earth's surface base below Seat, the inlet valve being set on pedestal, water supply network, flexible hydrant body, inlet valve is for controlling flexible hydrant body and city Connecting and disconnecting between city's water supply line, water supply network are set between inlet valve and flexible hydrant body, and water supply network is used In conducting high pressure water flow；

Open-and-close mechanism is also set up on pedestal, open-and-close mechanism is sheathed on the outside of flexible hydrant body and can receive flexible hydrant body Driving realization switch between open state and closed state；

The inlet valve includes valve deck, water inlet valve core, inlet valve installation shell, and valve deck coordinates shape with inlet valve installation shell At the cavity for accommodating water inlet valve core, water inlet valve core around own axis and can realize water inlet in inlet valve mounting shell body Switching of the valve between opening state and closed state；

The inlet valve installation shell is one end open, the cylindrical barrel of other end sealing, above-mentioned valve deck Matching installation The open end of shell is installed in inlet valve, is provided with the interface connected with its inner cavity on the periphery of inlet valve installation shell, connects Mouth is arranged at intervals with two, respectively interface one, interface two, and wherein interface one installs the open end of shell close to inlet valve, connects Mouth two installs the sealed end of shell close to inlet valve, and the sealed end of inlet valve installation shell is provided with interface three, interface four, interface Three, interface four installs the inner cavity connection of shell with inlet valve respectively；

The flexible hydrant body includes that the first standpipe, coaxial second be movably set in inside the first standpipe disappear Anti- standpipe, the central axis that the second standpipe can be along the first standpipe in the first standpipe move, and the first fire-fighting is vertical Limited position mechanism is set between pipe and the second standpipe, and position-limit mechanism is vertical for limiting the first fire-fighting of disengaging of the second standpipe Pipe, and when the second standpipe moves to position-limit mechanism, the first standpipe is mutually connected with the second standpipe, first disappears The bottom of anti-standpipe is provided with the interface five for entering hydrant body for flow, be provided on the periphery of the first standpipe with The interface six that its inner cavity is connected；

Second standpipe includes drainage conduit body and the coaxial positioning conduction mechanism arranged and mutually connected, institute The diameter for the drainage conduit body stated is less than the intracavity diameter of the first standpipe, positions the inner cavity of conduction mechanism and the first standpipe Matching, the first standpipe inner cavity, drainage conduit body, positioning conduction mechanism, which are constituted, holds water cavity, the first standpipe inner cavity, positioning Region composition transition cavity between conduction mechanism, interface five, above-mentioned interface six are connected with water cavity is held, and interface six and appearance Close to the water outlet of the first standpipe at water cavity connection；

The water supply network includes the first introducing pipe, Bernoulli Jacob's self-priming connecting tube, the second introducing pipe, third introducing pipe, the 4th Introducing pipe, the 5th introduce pipe, the 6th introducing pipe, check valve, the 7th introducing pipe, water tank, Bernoulli Jacob's self-priming connecting tube For the pipe of both ends open, the interface seven connected with its inner cavity is offered on the periphery of Bernoulli Jacob's self-priming connecting tube, it is described One end connection that first introducing pipe one end connect connection, the other end and Bernoulli Jacob's self-priming connecting tube with city supply water pipeline is connected, Second introducing pipe one end connect connection, the other end and the connection of interface two with the other end of Bernoulli Jacob's self-priming connecting tube and connects, third It introduces pipe one end and connect connection, the other end and the connection connection of interface three with interface five, the 4th introducing pipe one end is connect with interface six Connect, the other end and interface four connection connect, the 5th introducing pipe one end connect with interface one connection, the other end and water tank into Mouth of a river connection is connected, and the 6th water inlet end for introducing water outlet connection connection, the other end and the check valve of pipe one end and water tank connects Connection, the 7th introduce pipe one end and the water outlet of check valve and connect connection, the other end and the connection connection of interface seven, wherein unidirectionally Valve can only be from its water inlet end to water outlet one-way conduction；

The open-and-close mechanism includes the mounting bracket being set on pedestal, is provided with folding component at the top of mounting bracket, pedestal with The driving mechanism that driving folding component switches between opening state and closed state, driving are provided between flexible hydrant body Mechanism connects the driving end of the first transmission mechanism, and the output end of the first transmission mechanism connects the driving end of the second transmission mechanism, the The driving end of the output end connection folding component of two transmission mechanisms；

Wherein,

Inlet valve in the open state, with interface three connect by interface two, and interface one is connected with interface four；

Inlet valve in the closure state, with interface four connect by interface two, and interface one is connected with interface three；

The water outlet of the second above-mentioned standpipe is communicated with outlet valve, and outlet valve can realize the second standpipe fully extended First standpipe and switching between being discharged and cutting off the water supply after being connected with the first standpipe, the outlet valve includes water outlet Valve installs shell, opens and closes valve pocket, opens and closes valve rod, insert body, and outlet valve installs the circular cylindrical shape cylinder that shell is both ends open, The draining connector being connect with outlet valve for fire-fighting equipment is offered on the periphery of outlet valve installation shell, drains connector The inner cavity that shell is installed with outlet valve is connected, and is matched at the one end open of outlet valve installation shell and is consolidated with keying valve pocket, opened and closed Threaded hole is offered at the center of valve pocket, and is matched with keying valve rod in threaded hole, is opened and closed valve rod and is extended to outlet valve installation The end side of enclosure interior is equipped with insert body, opens and closes valve rod and outlet valve installation shell coaxial line arrangement, and it is logical to open and close valve rod The rotation crossed in threaded hole can be achieved to open and close the movement that valve rod installs shell central axis along outlet valve, outlet valve peace Another open end of dress shell matches connection with the water outlet of the second standpipe, and the draining connector is installed along outlet valve The circumference array of shell several；

Be additionally provided with limiting device between the insert body and the second standpipe, insert body during the motion with limit Position device contact, limiting device limitation insert body continue to move, and when limiting device is in maximum compressibility, spool sheet Body just realizes the closure to draining connector；

The limiting device includes limit spring, holder, and holder is inscribed in outlet valve installation housing cavity wall portion, the branch Frame is located at the lower section of draining connector, and holder is arranged to that the second standpipe and outlet valve installation housing cavity, institute can be connected to The limit spring stated is set between holder and insert body, limit spring one end and insert body support it is real contact, the other end and Holder supports real contact, and the resilient force insert body of limit spring is directed away from branch along the central axis of outlet valve installation shell The direction of frame moves.

2. water-saving, corrosion-resistant type fire hydrant according to claim 1 based on bernoulli principle, which is characterized in that described Draining connector along outlet valve install shell circumference array several.

3. water-saving, corrosion-resistant type fire hydrant according to claim 1 based on bernoulli principle, which is characterized in that described Inlet valve on be additionally provided with planetary reduction gear, the planetary reduction gear is connect with above-mentioned valve rod；

The planetary reduction gear includes installation shell, upper cover, planetary reduction gear ontology, and the installation shell is opened for one end The open end of the circular cylinder body that mouth, the other end seal, upper cover and installation shell cooperatively forms the sky for accommodating planetary reduction gear ontology Chamber, the planetary reduction gear ontology include ring gear, and ring gear is coaxially connected in installation housing cavity by attachment device, even Connection device makes ring gear limitation ring gear around the center rotating of installation shell, and upper cover coordinates with installation shell so that ring gear is solid Tie in installation shell inner cavity, ring gear it is centrally disposed there are one from external impetus drive and can be revolved around own axes The dynamic sun gear of transhipment, one group is additionally provided between sun gear and ring gear and is combined in planet by three planetary gear deciles Planetary gear set on frame, the planet carrier are connect with valve rod, and sun gear is connect with actuator, and planetary gear set relies on valve Bar, ring gear and sun gear support were swum in period, when external force drives sun gear rotation by actuator, can drive row Star gear rotation, and the track of this ring gear is followed to revolve round the sun along the center of ring gear, planetary rotation drive is connected to The valve rod of planet carrier rotates, to drive inlet valve to switch between opening state and closed state.

4. water-saving, corrosion-resistant type fire hydrant according to claim 3 based on bernoulli principle, which is characterized in that

The positioning conduction mechanism includes that the connecting tube connected, coaxially arranged with connecting tube and mutually interconnect is connect with drainage conduit body The conduction pipe of connection, conduction pipe are internally provided with water-stop sheet, water-stop sheet along vertically with positioning conduction mechanism central axis Conduction pipe is divided into upper and lower two parts mutually disconnected by direction, offers on the periphery of conduction pipe and is connected with its inner cavity Water-guiding hole, water-guiding hole are respectively to be located at the first water-guiding hole above water-stop sheet and the second water-guiding hole below water-stop sheet, on The first hydrant body stated coaxially offers connection annular groove on the inner headed face of water outlet, and the groove depth and first for connecting annular groove disappear The central axis upright of anti-body, the first water-guiding hole and the second water-guiding hole can realize connection by connecting annular groove；

The water inlet valve core includes valve rod, valve body, and the valve body is to install housing cavity with inlet valve coaxially to match Cylinder, the valve rod is fixedly connected with the valve body and coaxially arranged, and valve rod is stretched out by the avoid holes being opened on valve deck Inlet valve installation shell is connect with driving device, and the driving force that valve body can receive valve rod installs shell around own axes in inlet valve It is rotated in inner cavity, realizes that the opening and closing of inlet valve, the wherein height of valve body are less than the depth of inlet valve installation housing cavity, Water containing space gap is formed between valve body, inlet valve installation shell, valve deck, above-mentioned interface one is connected with water containing space gap, the valve The end face that body is provided with valve rod is provided with the deflector hole for running through its wall portion along valve body central axis, and there are two deflector hole settings, respectively For deflector hole one and deflector hole two, drainage annular groove is coaxially offered on the periphery of valve body, drains groove depth direction and the valve of annular groove The central axis upright of core, the slot bottom for draining annular groove offer deflector hole three, valve body be further opened on the end face of valve rod with The deflector hole four that deflector hole three is connected, it is also coaxial that the inlet valve installs housing cavity wall portion position corresponding with drainage annular groove It offers and holds water ring slot, hold the central axis upright in the groove depth direction and inlet valve installation shell of water ring slot, hold water ring slot and draw Stream annular groove collectively forms appearance aquaporin, and above-mentioned interface two is connected with aquaporin is held；

Wherein,

Inlet valve in the open state, with interface three connect by deflector hole four, and deflector hole one is connected with interface four；

Inlet valve in the closure state, with interface four connect by deflector hole four, and deflector hole two is connected with interface three.

5. water-saving, corrosion-resistant type fire hydrant according to claim 4 based on bernoulli principle, which is characterized in that described Inlet valve on be additionally provided with the positioning device accurately realized for inlet valve and switched between opening state and closed state, position Device includes the positioning arc groove being opened on valve deck inner headed face, the locating ring for being sheathed on stem exterior, the locating ring with Locating piece is provided between positioning arc groove, locating piece one end is fixedly connected with locating ring, the other end is slided with positioning arc groove Matching, locating piece can be in positioning arc grooves along the guide direction sliding of positioning arc groove, the locating piece and positioning circular arc Slot constitutes slide-and-guide cooperation, and the length direction of the valve rod upper edge valve rod offers restraint slot, the groove depth direction of restraint slot Perpendicular to the central axial direction of valve rod, be provided with constraint block between the locating ring and restraint slot, constraint block one end with it is fixed Position ring is fixedly connected, the other end and restraint slot shiding matching, constraint block constitute slide-and-guide cooperation, wherein locating piece with restraint slot Movement can be terminated in the start point/end point of positioning arc groove, and when locating piece moves to the starting point of positioning arc groove, deflector hole four Connected with interface three, deflector hole one and interface four are connected, when locating piece moves to the terminal of positioning arc groove, deflector hole four with connect Mouth four is connected, and deflector hole two is connected with interface three.