CN203703326U - Circular ring type fire-fighting air stopping valve device - Google Patents
Circular ring type fire-fighting air stopping valve device Download PDFInfo
- Publication number
- CN203703326U CN203703326U CN201420078005.1U CN201420078005U CN203703326U CN 203703326 U CN203703326 U CN 203703326U CN 201420078005 U CN201420078005 U CN 201420078005U CN 203703326 U CN203703326 U CN 203703326U
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- CN
- China
- Prior art keywords
- valve
- fire
- connecting plate
- circular ring
- ring type
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- Withdrawn - After Issue
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Float Valves (AREA)
Abstract
The utility model provides a circular ring type fire-fighting air stopping valve device. A valve base flange is mounted at a lower valve core seat and the bottom of an outer valve body; a valve water inlet is formed in the outer valve body, a rubber ring is embedded at a lower valve seat, a guide rail is arranged between the outer valve body of the upper part of the valve water inlet and an upper valve core seat, a floating ball connecting plate is arranged in a circular ring type floating ball, a floating ball connecting plate fixing hole is formed in the center of circle of the a floating ball connecting plate, a transmission connecting rod fixing hole is formed in the center of circle of the outer valve body, the bottom of a transmission connecting rod passes through the transmission connecting rod fixing hole and is fixed on the upper valve core seat, and the top of the transmission connecting rod passes through the floating ball connecting plate fixing hole and is movably connected with the floating ball connecting plate by use of a bolt. The device overcomes a siphon action caused by over-quick water flow and large pressure difference between inside and outside and thus is capable of draining fire-fighting water smoothly, and also eliminates harm caused by a compressed gas entering a fire service pipe network. The circular ring type fire-fighting air stopping valve device is applicable to a high-flow velocity and large-flow rate of fire-fighting pressurized water tank, and aims at preventing the compressed gas from entering the fire service pipe network to support combustion rather than extinguishing fire.
Description
Technical field
The utility model relates to a kind of air-stopping valve door, the circular ring type fire-fighting air-stopping valve door device that particularly a kind of gas compensating type air-pressure fire water supply device are used.
Background technique
At present, what in fire protection gas pressure water tank, use is capsule type air-pressure water pot, but capsule type air-pressure water pot is short working life, and maintenance expenses is high, and valve can not be realized recloser.In the time of fire-fighting initial attack, if valve can not be realized recloser, in the time that in fire protection gas pressure water tank, liquid is drained, pressurized gas will be continuously introduced in fire_fighting pipe network, does not only have fire extinguishing function, plays on the contrary combustion-supporting effect.Gas compensating type gas pressure water tank can address this problem preferably, but there be limited evidence currently of has use gas compensating type gas pressure water tank, realizes and stops gas effect because be difficult to be controlled at depart from electric situation.The utility model provides a kind of circular ring type fire-fighting air-stopping valve door device that can automatically close after the water in gas compensating type gas pressure water tank discharges, has effectively prevented that pressurized gas from entering in fire_fighting pipe network, has solved the technical difficult problem of gas compensating type gas pressure water tank.Still do not use at present the report of circular ring type fire-fighting air-stopping valve door device.
Summary of the invention
For the shortcoming of the switch valve using in existing fire protection gas pressure water tank, the utility model provides a kind of pressurized water that can be in fire protection gas pressure water tank when drained, self acting stop valve body in time, prevents that pressurized gas from flowing into the circular ring type fire-fighting air-stopping valve door device of fire_fighting pipe network.
Solving the problems of the technologies described above taked concrete technical measures is:
A kind of circular ring type fire-fighting air-stopping valve door device, it is characterized in that: valve base flange 5 is equipped with in the bottom of lower 4 of spool and valve ectosome 6, valve ectosome 6 is provided with valve water intake 7, rubber ring 2 is embedded in lower 4 places of valve, between the valve ectosome 6 on valve water intake 7 tops and the spool seat of honour 3, be provided with guide rail 1, in circular ring type ball float 9, be provided with ball float connecting plate 10, the circle centre position of ball float connecting plate 10 has ball float connecting plate fixed hole 12, the circle centre position of valve ectosome 6 has kinematic link fixed hole 11, the bottom of kinematic link 8 is fixed on the spool seat of honour 3 through kinematic link fixed hole 11, the top of kinematic link 8 is flexibly connected with ball float connecting plate 10 by bolt through ball float connecting plate fixed hole 12.
good effect of the present utility model:the utility model is for the special-purpose member of air-pressure fire feedwater, is applicable to high flow rate, in the fire-fighting pressurized water tank of large flow, prevents that pressurized gas from entering fire_fighting pipe network, does not only have fire extinguishing function, causes that on the contrary combustion-supporting phenomenon occurs.The utility model can overcome the reaction force of current siphon effect to valve body, be held open state during higher than the state of ball float at water level, in the time that water level drops to ball float position, valve body is closed automatically, play only gas effect, in water level decline process, ball float is by ball float connecting plate connection for transmission connecting rod, due to the employing of ball float connecting plate is the structural type of plate instead of bar, thereby greatly increase the pulling force of kinematic link, overcome because of current too fast, the siphonage that inside and outside pressure difference causes greatly, can make smoothly fire-fighting water get rid of, eliminated the damaging effect that pressurized gas enters fire_fighting pipe network simultaneously.The structure of circular ring type fire-fighting air-stopping valve door device is not still used at present, its long service life, and it is convenient to keep in repair, simple in structure, convenient installation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A sectional drawing of Fig. 1;
Fig. 3 is the structural representation of circular ring type ball float in the utility model;
Fig. 4 is the plan view of Fig. 3.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details.
A kind of circular ring type fire-fighting air-stopping valve door device, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, it is a kind of machinery valve that is applicable to energy recloser in fire protection gas pressure water tank, prevent when for fire-fighting initial attack, in fire protection gas pressure water tank, liquid is drained, pressurized gas is continuously introduced in fire_fighting pipe network, does not only have fire extinguishing function, and the phenomenon that plays on the contrary combustion-supporting effect occurs.Adopt this device, when pressurized water that can be in fire protection gas pressure water tank is drained, self acting stop valve body in time, prevents that pressurized gas from flowing into fire_fighting pipe network.Its concrete structure is: a kind of circular ring type fire-fighting air-stopping valve door device, it is characterized in that: valve base flange 5 is equipped with in the bottom of lower 4 of spool and valve ectosome 6, valve ectosome 6 is provided with valve water intake 7, rubber ring 2 is embedded in lower 4 places of valve, between the valve ectosome 6 on valve water intake 7 tops and the spool seat of honour 3, be provided with guide rail 1, in circular ring type ball float 9, be provided with ball float connecting plate 10, the circle centre position of ball float connecting plate 10 has ball float connecting plate fixed hole 12, the circle centre position of valve ectosome 6 has kinematic link fixed hole 11, the bottom of kinematic link 8 is fixed on the spool seat of honour 3 through kinematic link fixed hole 11, the top of kinematic link 8 is flexibly connected with ball float connecting plate 10 by bolt through ball float connecting plate fixed hole 12.
The utility model utilization be law of buoyancy, in the time there is no liquid in tank, due to the effect of pressurized gas in gravity and tank and water outlet pressure difference, the spool seat of honour 3 and lower 4 closures of spool, air-stopping valve is in automatic closed condition, when current are by valve base flange 5, due to Water Pressure, the spool seat of honour 3 is lifted, current flow in tank by valve water intake 7, now, are to open because water filling Water Pressure impels air-stopping valve, but this state is External Force Acting, does not reach unlatching truly.In the time that liquid level rises to circular ring type ball float 9, along with liquid level rises, circular ring type ball float 9 starts to rise, and then by kinematic link 8, by floating function, pull the spool seat of honour 3, overcome Action of Gravity Field, make valve reach unlatching truly, form the conducting of valve.When needs are discharged pot liquid, in the time that water level drops to circular ring type ball float 9, circular ring type ball float 9 declines gradually, the buoyancy that acts on the spool seat of honour 3 slowly disappears, due to positive pressure and Action of Gravity Field own, the spool seat of honour 3 starts to decline, guide rail 1 is the annulus of internal diameter less times greater than the spool seat of honour 3 external diameters, the spool seat of honour 3 is by the constraint of guide rail 1, accurately drop to and lower 4 closures of spool, rubber ring 2 is embedded in lower 4 places of valve, in the time contacting with the spool seat of honour 3, rubber contacts with the smooth surface at the spool seat of honour 3, reach the effect of sealing, form the state that valve is closed automatically.This device can overcome the reaction force of current siphon effect to valve body, be held open state during higher than the state of ball float at water level, in the time that water level drops to circular ring type ball float 9 position, valve body is closed automatically, play only gas effect, in water level decline process, circular ring type ball float 9 is by ball float connecting plate 10 connection for transmission connecting rods 8, what adopt due to ball float connecting plate 10 is the structural type of plate instead of bar, thereby greatly increase the pulling force of kinematic link 8, overcome because of current too fast, the siphonage that inside and outside pressure difference causes greatly, can smooth and easyly make fire-fighting water get rid of, stoped pressurized gas to enter the damaging effect of fire_fighting pipe network simultaneously.
Claims (1)
1. a circular ring type fire-fighting air-stopping valve door device, it is characterized in that: valve base flange (5) is equipped with in the bottom of spool lower (4) and valve ectosome (6), valve ectosome (6) is provided with valve water intake (7), rubber ring (2) is embedded in valve lower (4) and locates, be provided with guide rail (1) being positioned between the valve ectosome (6) on valve water intake (7) top and the spool seat of honour (3), in circular ring type ball float (9), be provided with ball float connecting plate (10), the circle centre position of ball float connecting plate (10) has ball float connecting plate fixed hole (12), the circle centre position of valve ectosome (6) has kinematic link fixed hole (11), the bottom of kinematic link (8) is fixed on the spool seat of honour (3) through kinematic link fixed hole (11), the top of kinematic link (8) is flexibly connected with ball float connecting plate (10) by bolt through ball float connecting plate fixed hole (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078005.1U CN203703326U (en) | 2014-02-24 | 2014-02-24 | Circular ring type fire-fighting air stopping valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078005.1U CN203703326U (en) | 2014-02-24 | 2014-02-24 | Circular ring type fire-fighting air stopping valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203703326U true CN203703326U (en) | 2014-07-09 |
Family
ID=51053771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420078005.1U Withdrawn - After Issue CN203703326U (en) | 2014-02-24 | 2014-02-24 | Circular ring type fire-fighting air stopping valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203703326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791145A (en) * | 2014-02-24 | 2014-05-14 | 丹东川宇消防工程有限公司 | Circular ring fire-fighting air stopping valve device |
-
2014
- 2014-02-24 CN CN201420078005.1U patent/CN203703326U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791145A (en) * | 2014-02-24 | 2014-05-14 | 丹东川宇消防工程有限公司 | Circular ring fire-fighting air stopping valve device |
| CN103791145B (en) * | 2014-02-24 | 2016-06-22 | 丹东川宇消防工程有限公司 | Circular ring type fire-fighting air-stopping valve door gear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20160622 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |