CN107604975A - Outdoor anti-freezing fire hydrant - Google Patents
Outdoor anti-freezing fire hydrant Download PDFInfo
- Publication number
- CN107604975A CN107604975A CN201711044610.1A CN201711044610A CN107604975A CN 107604975 A CN107604975 A CN 107604975A CN 201711044610 A CN201711044610 A CN 201711044610A CN 107604975 A CN107604975 A CN 107604975A
- Authority
- CN
- China
- Prior art keywords
- fire hydrant
- discharge opening
- pressing plate
- sealing ring
- intake antrum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007710 freezing Methods 0.000 title claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000003780 insertion Methods 0.000 claims abstract description 6
- 230000037431 insertion Effects 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 9
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 239000012774 insulation material Substances 0.000 description 4
- 230000008014 freezing Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002528 anti-freeze Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
Abstract
The present invention relates to outdoor anti-freezing fire hydrant,Can effectively solve the problems, such as that outdoor fire hydrant ponding freezes closure,Technical scheme is,The lower end of under ground portion key is provided with intake antrum,Inlet pipeline stretches into intake antrum,Intake antrum bottom is provided with the discharge opening of inside and outside insertion,Discharge opening entrance point is provided with the sluicing mouth sealing ring flushed with the bottom surface of intake antrum,Steel pipe support is provided with above sluicing mouth sealing ring,The guide plate moved up and down with it is housed through upper bearing sleeve on guide rod in intake antrum,The lower end of guide plate is connected with steel wire rope,One end of steel wire rope is fixed together with guide plate,The other end stretches into steel pipe support after bypassing fixed pulley and is fixed together with the discharge opening pressing plate being arranged in steel pipe support,The present invention realizes the linkage of hydrant valve opening and closing and discharge opening opening and closing,So that the water in more than frozen soil layer fire hydrant cavity is automatically drained out,So as to prevent outdoor fire hydrant from influenceing to use in northern cold freezed in winter,Realize linkage automatic drainage.
Description
Technical field
The present invention relates to fire hydrant, particularly a kind of outdoor anti-freezing fire hydrant.
Background technology
Outdoor fire hydrant is the important component for ensureing China's urban fire control safety, and it can be that fire fighting truck quickly provides water
Source, and when fire is in the range of fire hydrant radius of protection, can diameter be used to put out a fire.However, in northern China most area, winter
Season, temperature was relatively low, and outdoor fire hydrant can freeze closure in the ponding for using or testing in back cavity, so as to lead to not be continuing with,
When a fire, serious loss can be caused with property to the life of the people, therefore, carry out the antifreeze work of outdoor fire hydrant
It is particularly important.
In order to carry out the antifreeze work of outdoor fire hydrant, it has been fruitful and has mainly been designed and answered from the following aspects
With：1. increase stay-warm case.In the certain region of northern China, this method can prevent outdoor fire hydrant from freezing to block, but work as
When frozen soil layer is thicker, effect is poor, and in order to quickly fetch water, stay-warm case can not be fixed with screw, is placed in stream of people's rareness
During place, easily destroyed, while stay-warm case causes fire hydrant outward appearance to become big, unsightly.2. underground fire control well.Built in underground
After vertical fire control well, outdoor fire hydrant can be disposed entirely within underground, can also spill ground, when hydrant installation on the ground when,
Took after water, it is necessary to which the ponding in fire hydrant cavity is vented using discharge opening in the fire control well of underground.Such a method base area
The depth of lower fire control well can be applied in different zones, but such a design needs personnel to make in narrow underground fire control well
Industry, reduces the speed of water intaking, and unsafe condition be present, while application cost is higher.3. increase heat-insulation layer.In order to prevent
Outdoor fire hydrant freezes closure, insulation material can be embedded in fire hydrant tube wall or in fire hydrant outer wrap insulation material, this
Temperature is not that too low region can apply in the winter time for kind design, but the relatively low region of temperature in the winter time, because heat insulation effect is poor,
Still it can be frozen in fire hydrant cavity, and in fire hydrant outer wrap insulation material unsightly.4. it is vented fire hydrant inside cavity
Ponding.Designed in the past by setting drainage arrangement that most of ponding in fire hydrant cavity is vented inside fire hydrant, but by
In in its structure the problem of, design can not realize linkage, while draining is usually arranged unnet, and engineering practice effect is unsatisfactory, because
This, it is imperative that outdoor anti-freezing fire hydrant is improved and innovated.
The content of the invention
For the above situation, to overcome the defect of prior art, the purpose of the present invention is just to provide a kind of outdoor anti-freezing and disappeared
Fiery bolt, can effectively solve the problems, such as that outdoor fire hydrant ponding freezes closure.
The technical scheme that the present invention solves is：
A kind of outdoor anti-freezing fire hydrant, including fire hydrant body, fire hydrant body include the aerial part bolt more than ground
Body and the under ground portion key to locate below ground level, first with its intracavity inter-connection is provided with the side wall of aerial part key
Delivery port and the second delivery port, the lower end of under ground portion key are provided with the inlet pipeline with its intracavity inter-connection, fire hydrant sheet
Vertical guide rod is provided with vivo, and the fixing groove of the configured key upper end of part on the ground in guide rod top is stretched out on fire hydrant body
Hold, be provided with rotary handle on extension, lower end of the guide rod is provided with pressing plate, and inlet pipeline upper surface is provided with relative with pressing plate
The sealing ring answered, rotary handle being rotated, control guide rod slides up and down along fixing groove, and band dynamic pressure plate is bonded or separated with sealing ring,
The feeding control structure of water of fire hydrant body is formed, the lower end of described under ground portion key is provided with intake antrum, and inlet pipeline is stretched
Enter intake antrum, intake antrum bottom is provided with the discharge opening of inside and outside insertion, and discharge opening entrance point is provided with neat with the bottom surface of intake antrum
Flat sluicing mouth sealing ring, is provided with steel pipe support above sluicing mouth sealing ring, is set with the guide rod in intake antrum through upper bearing (metal)
There is the guide plate moved up and down with it, the lower end of guide plate is connected with steel wire rope, and one end and the guide plate of steel wire rope are fixedly connected on one
Rise, the other end stretches into steel pipe support after bypassing fixed pulley and is fixedly connected on one with the discharge opening pressing plate being arranged in steel pipe support
Rise, move down guide plate, drive discharge opening pressing plate to move up, form the separation between discharge opening pressing plate and sluicing mouth sealing ring
Control structure, compression spring is provided between discharge opening pressing plate and the top plate of steel pipe support, forms discharge opening pressing plate and discharge opening
The fitting resetting structure of sealing ring, the lower end of the steel pipe support is provided with the permeable hole of inside and outside insertion, when pressing plate and sealing ring
During fitting, discharge opening pressing plate is separated with sluicing mouth sealing ring.
The method have the benefit that：
1st, by setting bearing between guide rod and guide plate so that the rotation of guide rod will not drive guide plate to rotate but can drive thereon
Lower slider, the lifting of discharge opening pressing plate is controlled under the collective effect of fixed pulley and compression spring, when fire hydrant is in sealing state
When, discharge opening conducting, during fire hydrant water flowing, discharge opening is closed, realizes linkage draining；
2nd, discharge opening is vertical holes, and positioned at the bottom of intake antrum, while the mouth sealing ring that sluices flushes with the bottom plate of intake antrum, steel
The permeable hole lower end edge of pipe holder lower end flushes with the bottom surface of intake antrum, and permeable hole upper end edge is higher than the upper end of discharge opening pressing plate
Face, so as to ensure that the intrinsic water of fire hydrant can discharge totally, effectively prevent outdoor fire hydrant freezed in winter from blocking；
3rd, the intrinsic water of fire hydrant can all being linked, discharge is clean, and under ground portion length of bolt shank can be according to local frozen soil layer
Depth is modified production, and good freezing protection effect is easy to use, and aerial part key is elegant in appearance.
As can be seen here, structure novel and unique of the present invention, advantages of simple, hydrant valve opening and closing and discharge opening opening and closing are realized
Linkage so that the water in fire hydrant cavity more than frozen soil layer is automatically drained out, so as to prevent outdoor fire hydrant in northern cold
Freezed in winter influences to use, and realizes linkage automatic drainage, easy to use, effect is good, is the innovation on fire hydrant.
Brief description of the drawings
Fig. 1 is the sectional view of fire hydrant body sealing state of the present invention.
Fig. 2 is the sectional view that fire hydrant body of the present invention goes out water state.
Fig. 3 is the partial enlarged drawing of Fig. 1 bottoms of the present invention.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.
Provided by Fig. 1 to Fig. 3：The present invention includes fire hydrant body, and fire hydrant body is included positioned at the ground on ground more than 33
Upper part key 1 and the under ground portion key 2 positioned at ground below 33, be provided with the side wall of aerial part key 1 with it
The first delivery port 8 and the second delivery port 9 that chamber is connected, the lower end of under ground portion key 2 is provided with and its intracavity inter-connection
Inlet pipeline 32, vertical guide rod 4 is provided with fire hydrant body, the configured key upper end of part on the ground in the top of guide rod 4
Fixing groove stretches out fire hydrant body upper end, and rotary handle 3 is provided with extension, and the lower end of guide rod 4 is provided with pressing plate 18, water inlet
The upper surface of pipeline 32 is provided with the sealing ring 19 corresponding with pressing plate 18, rotates rotary handle 3, control guide rod 4 is along in fixing groove
Lower slider, band dynamic pressure plate 18 are bonded or separated with sealing ring 19, form the feeding control structure of water of fire hydrant body, described underground
The lower end of part key 2 is provided with intake antrum 34, and inlet pipeline 32 stretches into intake antrum 34, and the bottom of intake antrum 34 is provided with inside and outside pass through
Logical discharge opening 29, the entrance point of discharge opening 29 are provided with the sluicing mouth sealing ring 22 flushed with the bottom surface of intake antrum 34, discharge opening
The top of sealing ring 22 is provided with steel pipe support 20, is set with the guide rod 4 in intake antrum 34 through upper bearing (metal) 10 with moving down thereon
Dynamic guide plate 16, the lower end of guide plate 16 are connected with steel wire rope 27, and one end and the guide plate 16 of steel wire rope 27 are fixed together, separately
One end is stretched into steel pipe support 20 after bypassing fixed pulley 24 and is fixedly connected on the discharge opening pressing plate 28 being arranged in steel pipe support
Together, guide plate is moved down, drives discharge opening pressing plate 28 to move up, is formed between discharge opening pressing plate and sluicing mouth sealing ring
Control structure is separated, compression spring 26 is provided between discharge opening pressing plate 28 and the top plate 23 of steel pipe support, forms discharge opening pressure
The resetting structure that is bonded of plate and sluicing mouth sealing ring, the lower end of the steel pipe support are provided with the permeable hole 21 of inside and outside insertion, when
When pressing plate 18 is bonded with sealing ring 19, discharge opening pressing plate 28 is separated with sluicing mouth sealing ring 22.
To ensure using effect, the bottom of the inlet pipeline 32 is stretched out fire hydrant body, is provided with one end of stretching
For the ring flange 30 of connection, can be connected by the screw hole 31 on ring flange with hydraulic pipeline.
Described fixing groove includes being separately positioned on the upper fixing groove 5 of fire hydrant body top surface upper and lower part and lower fixation
Internal thread is provided with groove 6, upper fixing groove 5 and the lower centre bore of fixing groove 6, the outer spiral shell corresponding with internal thread is provided with guide rod
Line, form the rotational slide structure of guide rod.
Leakproof waterstop ring 7 is provided between guide rod and the fire hydrant body, leakproof waterstop ring 7 is located at upper fixing groove
Between 5 and lower fixing groove 6.
Lower bearing 13 is provided between described pressing plate 18 and guide rod 4.
Described fixed pulley 24 is fixed on the pulley support plate 25 in intake antrum 34, pulley support plate 25 for be arranged on into
One group of parallel-plate on water cavity width.
Described guide plate 16 is stuck between the pulley support plate on intake antrum width, when guide rod 4 rotates, guide plate 16
Do not rotated with guide rod 4, and when pressing plate 18 and sealing ring 19 are in greatest separation, the lower end of guide plate 16 is less than pulley support
The upper end of plate 25.
The lower end edge of the permeable hole 21 is flushed with the bottom surface of intake antrum 34, and shape is bonded when pressing plate 18 is in sealing ring 19
During state, the upper end edge of permeable hole 21 is higher than the upper surface of discharge opening pressing plate 28, ensures that all water in intake antrum can drain only.
Insulation material 17 is filled with the pressing plate 18.
The delivery port 9 of first delivery port 8 and second is to be horizontally set in the side wall of aerial part key 1, and first
The axis of the delivery port 9 of delivery port 8 and second is vertical, and the internal diameter of the first delivery port 8 is 65mm, and the internal diameter of the second delivery port 9 is
100mm。
The intake antrum 34 is rectangular parallelepiped structure.
The lower bearing interior annular 14 of lower bearing is fixedly connected with guide rod 4, and lower bearing outer toroid 15 is fixedly connected with pressing plate 18,
The upper bearing (metal) interior annular 11 of upper bearing (metal) is fixedly connected with guide rod 4, and upper bearing (metal) outer toroid 12 is fixedly connected with guide plate, compression spring 26
With the strength matching of steel wire rope 27, when pressing plate 18 and sealing ring 19 are brought into close contact, it is desirable to which discharge opening pressing plate 28 seals with discharge opening
Circle 22 departs from, and when pressing plate 18 separates with sealing ring 19, compression spring 26 can cause discharge opening pressing plate 28 to be sealed with discharge opening
Circle is brought into close contact, and pulley 24 is supported with a pair of pulley support plates 25, and between requiring between the width of guide plate 16 and pulley support plate
Away from equal, when rotary handle rotates to topmost, the lower boundary of guide plate 16 is less than pulley support plate coboundary, and intake antrum 34 is set
Below local frozen soil layer, it is not necessary to fire hydrant chamber is stayed, so as to not influence the external environment condition at fire hydrant, leak sealing ring
7 are used for preventing fire water from flowing out along guide rod, and according to local frozen soil layer depth, under ground portion key can lengthen, permeable hole position
It is slot in steel pipe support lower end, the lower end edge of slot flushes with the bottom surface of intake antrum, ensures the institute in intake antrum
There is water to drain only.Steel wire rope 27 through the perforation among the top plate 23 of steel pipe support insert into the inner portion and with discharge opening pressing plate
Center be fixed together.
The present invention is in use, fire hydrant body is in sealing state as shown in Figure 1, because pressing plate 18 and sealing ring 19 are close
Fitting so that the shipwreck in water inlet 32 is with entrance fire hydrant cavity.Now, the bottom of guide plate 16 is pulled by steel wire rope 27 and let out
Mouth of a river pressing plate 28 so that discharge opening pressing plate separates with sluicing mouth sealing ring 22, so as to which the water in fire hydrant cavity passes through permeable hole
21 enter in steel pipe support, are discharged eventually through discharge opening 29 outside fire hydrant cavity, discharge opening can join two pipes together and water is discharged into down
Water channel, cobblestone can also be laid at discharge outlet or builds the small pond in a underground allows water slowly to permeate the ground.
Fire hydrant body as shown in Figure 2 is in running order（Go out water state）, when needing fire demand water, loosen rotation hand
Handle 3, driving guide rod 4 so that pressing plate 18 separates with sealing ring 19, so as to which water flows into fire hydrant cavity from water inlet, simultaneously because
Guide plate 16 moves up so that steel wire rope 27 loosens, discharge opening pressing plate 28 in the presence of compression spring 26 with sluicing mouth sealing ring 22
It is brought into close contact, so that fire demand water flows out from top delivery port.
Compared with prior art, structure novel and unique of the present invention, advantages of simple, by setting axle between guide rod and guide plate
Hold so that the rotation of guide rod will not drive guide plate to rotate but it can be driven to slide up and down, in the common of fixed pulley and compression spring
The lower control discharge opening pressing plate lifting of effect, when fire hydrant be in sealing state, discharge opening conducting, during fire hydrant water flowing, sluicing
Mouth is closed, realizes linkage draining；Discharge opening is vertical holes, and positioned at the bottom of intake antrum, while the mouth sealing ring that sluices is with entering
The bottom plate of water cavity flushes, and the permeable hole lower end edge of steel pipe support lower end flushes with the bottom surface of intake antrum, and permeable hole upper end edge is higher than
The upper surface of discharge opening pressing plate, so as to ensure that the intrinsic water of fire hydrant can discharge totally, effectively prevent outdoor fire hydrant
Freezed in winter blocks；The design can all linkage discharge be clean the intrinsic water of fire hydrant, and under ground portion length of bolt shank can
Modified production according to local frozen soil layer depth, aerial part key is elegant in appearance, and good freezing protection effect is easy to use, is to disappear
Innovation on fiery bolt.
Claims (10)
1. a kind of outdoor anti-freezing fire hydrant, including fire hydrant body, fire hydrant body includes being located at ground（33）Ground above
Part key（1）With positioned at ground（33）Following under ground portion key（2）, aerial part key（1）Side wall on be provided with
With the first delivery port of its intracavity inter-connection（8）With the second delivery port（9）, under ground portion key（2）Lower end be provided with and its
The inlet pipeline of intracavity inter-connection（32）, vertical guide rod is provided with fire hydrant body（4）, guide rod（4）Top it is configured
The fixing groove of aerial part key upper end stretches out fire hydrant body upper end, and rotary handle is provided with extension（3）, guide rod
（4）Lower end is provided with pressing plate（18）, inlet pipeline（32）Upper surface is provided with and pressing plate（18）Corresponding sealing ring（19）, turn
Dynamic rotary handle（3）, control guide rod（4）Slided up and down along fixing groove, band dynamic pressure plate（18）With sealing ring（19）Fitting or separation,
Form the feeding control structure of water of fire hydrant body, it is characterised in that described under ground portion key（2）Lower end be provided with into water
Chamber（34）, inlet pipeline（32）Stretch into intake antrum（34）, intake antrum（34）Bottom is provided with the discharge opening of inside and outside insertion（29）, let out
The mouth of a river（29）Entrance point is provided with and intake antrum（34）The sluicing mouth sealing ring that flushes of bottom surface（22）, sluicing mouth sealing ring（22）
Top is provided with steel pipe support（20）, intake antrum（34）Interior guide rod（4）On through upper bearing (metal)（10）It is set with moving down thereon
Dynamic guide plate（16）, guide plate（16）Lower end be connected with steel wire rope（27）, steel wire rope（27）One end and guide plate（16）It is fixed to connect
It is connected together, the other end bypasses fixed pulley（24）After stretch into steel pipe support（20）And the discharge opening pressure with being arranged in steel pipe support
Plate（28）It is fixed together, moves down guide plate, drives discharge opening pressing plate（28）Move up, form discharge opening pressing plate with
Separation control structure between sluicing mouth sealing ring, discharge opening pressing plate（28）With the top plate of steel pipe support（23）Between be provided with pressure
Contracting spring（26）, be bonded resetting structure of the discharge opening pressing plate with sluicing mouth sealing ring is formed, the lower end of the steel pipe support is set
There is the permeable hole of inside and outside insertion（21）, work as pressing plate（18）With sealing ring（19）During fitting, discharge opening pressing plate（28）It is close with discharge opening
Seal（22）It is separated.
2. outdoor anti-freezing fire hydrant according to claim 1, it is characterised in that the inlet pipeline（32）Bottom stretch out
Fire hydrant body, the ring flange for connection is provided with one end of stretching（30）.
3. outdoor anti-freezing fire hydrant according to claim 1, it is characterised in that described fixing groove includes being separately positioned on
The upper fixing groove of fire hydrant body top surface upper and lower part（5）With lower fixing groove（6）, upper fixing groove（5）With lower fixing groove（6）In
Internal thread is provided with heart hole, the external screw thread corresponding with internal thread is provided with guide rod, forms the rotational slide structure of guide rod.
4. outdoor anti-freezing fire hydrant according to claim 1, it is characterised in that set between guide rod and the fire hydrant body
It is equipped with leakproof waterstop ring（7）.
5. outdoor anti-freezing fire hydrant according to claim 1, it is characterised in that described pressing plate（18）With guide rod（4）It
Between be provided with lower bearing（13）.
6. outdoor anti-freezing fire hydrant according to claim 1, it is characterised in that described fixed pulley（24）It is fixed on into water
Chamber（34）Interior pulley support plate（25）On.
7. outdoor anti-freezing fire hydrant according to claim 1, it is characterised in that the permeable hole（21）Lower end edge with entering
Water cavity（34）Bottom surface flush, work as pressing plate（18）With sealing ring（19）During in fit-state, permeable hole（21）Upper end edge it is high
In discharge opening pressing plate（28）Upper surface.
8. outdoor anti-freezing fire hydrant according to claim 1, it is characterised in that the pressing plate（18）It is interior to be filled with thermal insulating material
Material（17）.
9. outdoor anti-freezing fire hydrant according to claim 1, it is characterised in that first delivery port（8）Go out with second
The mouth of a river（9）It is to be horizontally set on aerial part key（1）Side wall on, the first delivery port（8）With the second delivery port（9）Axle
Line is vertical, the first delivery port（8）Internal diameter be 65mm, the second delivery port（9）Internal diameter be 100mm.
10. outdoor anti-freezing fire hydrant according to claim 1, it is characterised in that the intake antrum（34）For cuboid knot
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711044610.1A CN107604975A (en) | 2017-10-31 | 2017-10-31 | Outdoor anti-freezing fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711044610.1A CN107604975A (en) | 2017-10-31 | 2017-10-31 | Outdoor anti-freezing fire hydrant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107604975A true CN107604975A (en) | 2018-01-19 |
Family
ID=61085256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711044610.1A Pending CN107604975A (en) | 2017-10-31 | 2017-10-31 | Outdoor anti-freezing fire hydrant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107604975A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658071A (en) * | 2022-04-08 | 2022-06-24 | 福建闽山消防有限公司 | Outdoor fire hydrant and fire hydrant monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6142172A (en) * | 1999-11-22 | 2000-11-07 | Wcm Industries, Inc. | Freeze protection device for wall hydrants/faucets |
| US20090229679A1 (en) * | 2008-03-13 | 2009-09-17 | Davidson Sr Tom R | Vented steamer port cap assembly |
| CN201507665U (en) * | 2009-10-14 | 2010-06-16 | 中国石油化工股份有限公司 | Fire hydrant automatic emptying valve |
| CN102002967A (en) * | 2010-12-07 | 2011-04-06 | 苏州新格朗富机械科技有限公司 | Underground fire hydrant |
| CN202139643U (en) * | 2011-07-02 | 2012-02-08 | 福建水力消防成套设备有限公司 | Fire hydrant outside surge chamber |
| CN203303548U (en) * | 2013-06-08 | 2013-11-27 | 南安市天安消防设备有限公司 | Outdoor fire hydrant for automatically discharging residual water |
| CN205742377U (en) * | 2016-07-04 | 2016-11-30 | 唐山三友化工股份有限公司 | Outdoor fire hydrant water draw-off |
| KR20170000017A (en) * | 2015-06-22 | 2017-01-02 | 주식회사 대성기계 | A drain valve for outdoor fire hydrant and mounting structure thereof |
| CN206467725U (en) * | 2016-11-15 | 2017-09-05 | 杨建锋 | A kind of roadside Anti-collision fire hydrant |
| CN207567858U (en) * | 2017-10-31 | 2018-07-03 | 河南工程学院 | A kind of outdoor anti-freezing fire hydrant |
-
2017
- 2017-10-31 CN CN201711044610.1A patent/CN107604975A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6142172A (en) * | 1999-11-22 | 2000-11-07 | Wcm Industries, Inc. | Freeze protection device for wall hydrants/faucets |
| US20090229679A1 (en) * | 2008-03-13 | 2009-09-17 | Davidson Sr Tom R | Vented steamer port cap assembly |
| CN201507665U (en) * | 2009-10-14 | 2010-06-16 | 中国石油化工股份有限公司 | Fire hydrant automatic emptying valve |
| CN102002967A (en) * | 2010-12-07 | 2011-04-06 | 苏州新格朗富机械科技有限公司 | Underground fire hydrant |
| CN202139643U (en) * | 2011-07-02 | 2012-02-08 | 福建水力消防成套设备有限公司 | Fire hydrant outside surge chamber |
| CN203303548U (en) * | 2013-06-08 | 2013-11-27 | 南安市天安消防设备有限公司 | Outdoor fire hydrant for automatically discharging residual water |
| KR20170000017A (en) * | 2015-06-22 | 2017-01-02 | 주식회사 대성기계 | A drain valve for outdoor fire hydrant and mounting structure thereof |
| CN205742377U (en) * | 2016-07-04 | 2016-11-30 | 唐山三友化工股份有限公司 | Outdoor fire hydrant water draw-off |
| CN206467725U (en) * | 2016-11-15 | 2017-09-05 | 杨建锋 | A kind of roadside Anti-collision fire hydrant |
| CN207567858U (en) * | 2017-10-31 | 2018-07-03 | 河南工程学院 | A kind of outdoor anti-freezing fire hydrant |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658071A (en) * | 2022-04-08 | 2022-06-24 | 福建闽山消防有限公司 | Outdoor fire hydrant and fire hydrant monitoring system |
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Application publication date: 20180119 |