CN2510096Y - Outdoor hydrant - Google Patents
Outdoor hydrant Download PDFInfo
- Publication number
- CN2510096Y CN2510096Y CN 01272433 CN01272433U CN2510096Y CN 2510096 Y CN2510096 Y CN 2510096Y CN 01272433 CN01272433 CN 01272433 CN 01272433 U CN01272433 U CN 01272433U CN 2510096 Y CN2510096 Y CN 2510096Y
- Authority
- CN
- China
- Prior art keywords
- flap
- valve seat
- valve
- valve rod
- cavity
- 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.)
- Expired - Fee Related
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- Lift Valve (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to an outdoor hydrant which is composed of a hydrant body with a through cavity, a valve seat, a water overflowing opening, a valve rod and a valve clack, wherein the valve seat divides the hydrant into an upper cavity and a lower cavity, the valve clack is positioned in the lower cavity, the valve rod positioned in the upper cavity is connected with the valve seat through a valve seat hole, when the valve rod drives the valve clack to move upwards to cover a valve seat opening, a limiting device preventing the valve clack to move downwards is arranged in the position near the valve seat in the through cavity. The utility model can also ensure the valve clack to continuously cover the valve seat even if the upper cavity exposed on the ground of the hydrant is battered up by the external force and can still play the actions of closing a valve body and preventing water leakage. In addition, the utility model also has the advantages of reliable seal and long service life.
Description
Technical field
The claimed technology contents of the utility model belongs to the technical field of fire-fighting equipment.
Background technology
Outdoor Fire Hydrant is a kind of fire-fighting equipment that plays the valve effect.Running under the fire condition, public supply mains and fire hose are being coupled together to scene of fire or fire engine water supply by opening this apparatus.Its structure is: there is cavity key inside, there is the delivery port that connects fire hose the cavity upper end, there is the water inlet of Liancheng city water supply network the lower end, and valve seat is arranged in the middle of the cavity, is driven the flap that is in epicoele fire hydrant when valve seat top covers valve seat orifice by valve rod and closes.Because Outdoor Fire Hydrant generally all is the both sides that is erected at road, therefore very easily severed, and after in a single day fire hydrant be damaged, just can't keep the closed condition of flap by vehicle, thereby water in the urban pipe network is poured out and cause the waste of water resource, also environment is caused bad influence simultaneously.In addition, existing fire hydrant also exist poorly sealed, open difficulty, disadvantage such as freezing easily.
Summary of the invention
Technical problem to be solved in the utility model is exactly the effect that still can play valve body after fire hydrant is severed by external force, prevent water burst.
The scheme of the utility model technical solution problem is: this Outdoor Fire Hydrant is made up of key, valve seat, gap, valve rod, the flap of band cavity, and valve seat is divided into epicoele and cavity of resorption with fire hydrant, and there is delivery port the epicoele upper end, and there is water inlet the cavity of resorption lower end.Flap is positioned at cavity of resorption, and it is coupled that the valve rod that is positioned at epicoele passes valve seat orifice, and valve rod drives when flap is up to cover the valve seat mouth, is provided with the stopping means that the prevention flap moves down near the valve seat position in cavity the chamber in.More than She Ji structure even the upper chamber portion of basseting is broken by external force, can guarantee that also flap continues to cover valve seat, and because flap is positioned at the below of valve seat, directly be subjected to the upwards effect of hydraulic pressure, so the seal valve seat mouth is more reliable, thereby reaches the purpose that prevents water burst.
The structure of above-mentioned stopping means is: valve rod is a threaded rod, in epicoele near the valve seat position have the fixing nut of and key with one by being connected the nut that rod member and flap are fixed, more than two nut hand of spirals opposite and be sleeved on the valve rod, the turn valve rod makes flap when down upward covering valve seat like this, and the opposite nut of two hand of spirals has just produced the spacing effect of self-locking to valve rod and the flap that is driven in valve rod.
The utility model adopts above-mentioned technical scheme, improves the sealing property and the unlatching performance of fire hydrant for optimal design and has created condition.As gap of the prior art all is radially to lead in the epicoele, adopt lateral seal, the sealing force-bearing situation is bad, cause sealing malfunctioning easily, can be designed as following structure now, to guarantee the reliability of gap sealing greatly: gap is arranged on by the valve seat, and intake tunnel be axially towards epicoele, the sealing-plug of gap be positioned at epicoele and with the flap servo-actuated.The flexibility that utilizes following secondary opening structure to improve greatly to open fire hydrant: the form that the fixing nut of valve rod and flap adopts positive and negative pitch thread to be connected, the valve rod head reaches from the flap centre bore below the flap, moves the descending valve seat of opening of flap on the valve rod; The head that valve rod stretches out the flap below has through hole, one end of through hole communicates with cavity of resorption, flap other end of through hole when sealing up valve seat is arranged in the flap centre bore, and sealed up by the sidewall of centre bore, there is a position to be divided into two sections on the valve rod, last hypomere is by key and keyway or the connection of its equivalent way, when flap seals up valve seat, keyway still has a segment length greater than the space of the end of through hole in the flap centre bore to flap upper surface distance, when opening valve seat like this, the valve rod of hypomere can upwards have displacement along keyway, and the through hole that makes valve rod stretch out the head of flap below connects upper and lower cavity, with the pressure of balance upper and lower cavity, make unlatching laborsaving.
Valve rod is a two-section, connects by being in the one section fragile material that is positioned at the stopping means top in the epicoele, so that fire hydrant can disconnect when being subjected to external force collision from here, seal members such as protection flap, valve seat are not damaged.
The technical solution of the utility model makes cavity of resorption become the obturator of a rigidity when closing, even the upper chamber portion of basseting is severed by external force, guarantee that also running water can not pour out, strengthened the security of Outdoor Fire Hydrant, the force-bearing situation of flap improves simultaneously, flap and sealing ring prolong service life, have increased sealing reliability.In addition, the technical scheme of utilizing the utility model to propose can further be improved the performance of fire hydrant, as adopting the secondary opening structure, fire hydrant is opened flexibly, has greatly improved dependability; Flow off has increased the reliability of overflowing and putting by radially changing into axially, has simplified technology, has reduced cost, has guaranteed that key can not be damaged by frost, and is further enhanced reliability.
Description of drawings
Fig. 1 is the utility model preferred structure schematic diagram.
The specific embodiment
With reference to Fig. 1, the cavity in the key 1 of Outdoor Fire Hydrant is divided into epicoele 2 by valve seat 8 and there is delivery port 24 cavity of resorption 9, epicoele 2 upper ends, and there is water inlet 11 the cavity of resorption lower end.Flap 10 is positioned at cavity of resorption 9, and valve rod 4 is threaded rods, and it passes through whole epicoele 2 and from the centre bore 15 of valve seat mouth 7 and flap 10 and exposes head 12.In the valve rod head 12 through hole is arranged, through hole is made up of radial passage 14 that communicates and axial passage 13, the lower end of axial passage 13 communicates with cavity of resorption 9, and the port of radial passage 14 is arranged in flap centre bore 15 when flap 10 seals up valve seat 8, and is sealed up by the sidewall of centre bore 15.
A nut 5 identical with the threaded stem direction is arranged on the valve rod of 20 centimeters above the valve seat 8 in epicoele 2, and nut 5 is fixed on the fixed head 20, and fixed head 20 is fixedlyed connected with key; A nut 6 opposite with the threaded stem direction is arranged again on the valve rod below the nut 5, and nut 6 is connected and connects on the rod member 18, and connection rod member 18 passes valve seat mouth 7 fixedlys connected with flap 10.
Valve rod 4 is made up of for three sections upper, middle and lower, and stage casing and hypomere junction 21 are positioned at the top of nut 5, use be material.Epimere is connected with keyway 23 by key 22 with the stage casing.When flap 10 sealed up valve seat mouth 7, still there was one section space keyway 23 tops, and its length is greater than the distance of the radial passage 14 that is arranged in the flap centre bore to flap upper surface distance.Therefore revolve on the valve rod 4, at first stage casing and hypomere valve rod can upwards have a section to move along keyway 23, this moment, the water of cavity of resorption 9 can enter in the epicoele 2 via radial passage 14 and axial passage 13, make that downforce obtains balance on the flap, because the screw thread of nut 6 is opposite with the screw thread on the valve rod 4, therefore continue to go up stopcock bar 4, the flap 10 that is driven by nut 6 moves down and can open convenient and strength-savingly.
The bottom, position of key shown in the figure 3 is the parts that are imbedded in below ground, top is to be exposed to the above part in ground, when flap 10 seals up valve seat mouth 7 as running into external force collision, valve rod at first fractures at the weak part of fragility shown in 21, two opposite nuts 5,6 of hand of spiral have just produced the spacing effect of self-locking to valve rod 4 and flap, flap 10 can be all the time from upward covering valve seat mouth 7 down, and pipe network water just can not gushed out.
Claims (5)
1, a kind of Outdoor Fire Hydrant, key (1), valve seat (8), gap (17), valve rod (4), flap (10) by the band cavity are formed, valve seat (8) is divided into epicoele (2) and cavity of resorption (9) with fire hydrant, there is delivery port (24) epicoele (2) upper end, there is water inlet (11) cavity of resorption (9) lower end, it is characterized in that:
Flap (10) is positioned at cavity of resorption (2), it is coupled that the valve rod (4) that is positioned at epicoele (2) passes valve seat orifice (7), valve rod (4) drives when flap (10) is up to cover valve seat orifice (7), is provided with the stopping means that stops flap (10) to move down near valve seat (8) position in the cavity chamber.
2, Outdoor Fire Hydrant according to claim 1 is characterized in that:
Valve rod (4) is a threaded rod, near valve seat (8) position the fixing nut (5) of and key (1) and a nut (6) of fixing with flap (10) is arranged in epicoele (2), more than two nuts (5) (6) hand of spiral on the contrary and be sleeved on the valve rod (4).
3, Outdoor Fire Hydrant according to claim 2 is characterized in that:
The form that valve rod (4) is connected with the positive and negative pitch thread of nut (6) employing that flap (10) is fixed, valve rod head (12) reaches flap (10) below from flap centre bore (15), the head (12) that valve rod stretches out the flap below has through hole, one end (13) of through hole communicates with cavity of resorption (9), the other end (14) of flap (10) through hole when sealing up valve seat (8) is arranged in flap centre bore (15), there is a position to be divided into two sections on the valve rod (4), last hypomere is by key (22) and keyway (23) or the connection of its equivalent way, when flap (10) sealed up valve seat (8), keyway (23) still had a segment length greater than the space of the end (14) of through hole in the flap centre bore to flap (10) upper surface distance.
4, Outdoor Fire Hydrant according to claim 1 is characterized in that:
It is other that gap (17) is arranged on valve seat (8), and intake tunnel (16) axially leads to epicoele (2), the sealing-plug (19) of gap (17) be positioned at epicoele (2) and with flap (10) servo-actuated.
5, Outdoor Fire Hydrant according to claim 1 is characterized in that:
Valve rod (4) is a two-section, connects by being in the one section fragile material (21) that is positioned at the stopping means top in the epicoele (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01272433 CN2510096Y (en) | 2001-11-23 | 2001-11-23 | Outdoor hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01272433 CN2510096Y (en) | 2001-11-23 | 2001-11-23 | Outdoor hydrant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2510096Y true CN2510096Y (en) | 2002-09-11 |
Family
ID=33677597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01272433 Expired - Fee Related CN2510096Y (en) | 2001-11-23 | 2001-11-23 | Outdoor hydrant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2510096Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505326A (en) * | 2018-11-15 | 2019-03-22 | 浙江创力电子股份有限公司 | The double sealing structure of Anti-collision fire hydrant |
| CN114263243A (en) * | 2022-01-23 | 2022-04-01 | 芜湖市金贸流体科技股份有限公司 | Light fire hydrant with locking function and high stability and use method |
-
2001
- 2001-11-23 CN CN 01272433 patent/CN2510096Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505326A (en) * | 2018-11-15 | 2019-03-22 | 浙江创力电子股份有限公司 | The double sealing structure of Anti-collision fire hydrant |
| CN114263243A (en) * | 2022-01-23 | 2022-04-01 | 芜湖市金贸流体科技股份有限公司 | Light fire hydrant with locking function and high stability and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |