CN103791146A - Double float ball type fire protection air stopping valve device - Google Patents
Double float ball type fire protection air stopping valve device Download PDFInfo
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- CN103791146A CN103791146A CN201410061390.3A CN201410061390A CN103791146A CN 103791146 A CN103791146 A CN 103791146A CN 201410061390 A CN201410061390 A CN 201410061390A CN 103791146 A CN103791146 A CN 103791146A
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- valve
- float ball
- connecting rod
- float
- fire protection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
- F16K31/30—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a gate valve or sliding valve
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Float Valves (AREA)
Abstract
The invention relates to a double float ball type fire protection air stopping valve device. A lower base of a valve element and the bottom of an outer body of a valve are provided with valve base flanges, a water inlet is formed in the outer body of the valve, 45-degree slopes are manufactured on the corresponding portions of the bottom of an upper base of the valve element and the upper portion of the lower base of the valve element respectively, a guide rail is arranged between the outer body of the valve and the upper base of the valve element, the bottoms of two float balls are respectively provided with a float ball connecting rod A and a float ball connecting rod B, the bottom of a transmission connecting rod penetrates through a fixing hole in the outer body of the valve to be fixed to the upper base of the valve element, the top of the transmission connecting rod is movably connected with the middle of the float ball connecting rod A, the bottom of a float ball support is fixed to the upper portion of the outer body of the valve, the bottom of a float ball connecting rod support is fixed to the outer end of the outer body of the valve, and the float ball connecting rod A and the float ball connecting rod B penetrate through holes in the lower portion and the upper portion of the float ball support to be movably connected with the float ball connecting rod support and the float ball connecting rod A respectively. The double float ball type fire protection air stopping valve device is applicable into a high-flow-speed and a large-flow fire protection forcing water tank, the siphoning effect can be overcome, and it is prevented that after compressed gas enters a fire protection pipe network, the fire extinguishing function is not played, and further the combustion-supporting phenomenon is caused.
Description
Technical field
The present invention relates to a kind of air-stopping valve door, two float-ball type fire-fighting air-stopping valve door devices 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 invention provides a kind of two float-ball type fire-fighting air-stopping valve door devices that can automatically close after the water in gas compensating type gas pressure water tank discharges, effectively prevented that pressurized gas from entering in fire_fighting pipe network, solved the technical difficult problem of gas compensating type gas pressure water tank.Still do not use at present the report of two float-ball type fire-fighting air-stopping valve door devices.
Summary of the invention
For the problems referred to above, the invention provides a kind of pressurized water self acting stop valve body in time when drained that can be in fire protection gas pressure water tank, prevent that pressurized gas from flowing into two float-ball type fire-fighting air-stopping valve door devices of fire_fighting pipe network.
Solving the problems of the technologies described above taked concrete technical measures is:
A kind of two float-ball 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, the corresponding part on the top that the bottom at the spool seat of honour 3 and spool are lower 4 makes respectively at 45 ° domatic 2, between the valve ectosome 6 on valve water intake 7 tops and the spool seat of honour 3, be provided with guide rail 1, the bottom of ball float A11 is provided with floating ball rod A10, the bottom of ball float B12 is provided with floating ball rod B13, the kinematic link fixed hole 15 that the bottom of kinematic link 8 has through the circle centre position of valve ectosome 6 is fixed on the spool seat of honour 3, the top of kinematic link 8 is flexibly connected with the middle part of floating ball rod A10 by bolt, the bottom of ball float support 9 is fixed on the top of valve ectosome 6, the bottom of floating ball rod support 14 is fixed on the outer end of valve ectosome 6, floating ball rod A10 is connected with the top movable of floating ball rod support 14 by bolt through the hole of ball float support 9 bottoms, floating ball rod B13 is flexibly connected with floating ball rod A10 by bolt through the hole on ball float support 9 tops.
good effect of the present invention:the present invention 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 present invention 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, because ball float is by lever connection for transmission connecting rod, greatly increase the pulling force of kinematic link, overcome the siphonage causing greatly because of too fast, the inside and outside pressure difference of current, can make smoothly fire-fighting water get rid of, eliminate pressurized gas simultaneously and enter the damaging effect of fire_fighting pipe network.At present, what in fire protection gas pressure water tank, use is capsule type air-pressure water pot, and capsule type air-pressure water pot is short working life, and maintenance expenses is high.In fire protection gas pressure water tank, almost do not use gas compensating type gas pressure water tank, realize only gas effect because be difficult to be controlled at depart from electric situation, the present invention has filled up this vacancy, its long service life, keep in repair convenient simply, improved the reliability of pneumatic installation water supply simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A sectional drawing of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details.
A kind of two float-ball type fire-fighting air-stopping valve door device, as depicted in figs. 1 and 2, 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: 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, the corresponding part on the top that the bottom at the spool seat of honour 3 and spool are lower 4 makes respectively at 45 ° domatic 2, between the valve ectosome 6 on valve water intake 7 tops and the spool seat of honour 3, be provided with guide rail 1, the bottom of ball float A11 is provided with floating ball rod A10, the bottom of ball float B12 is provided with floating ball rod B13, the kinematic link fixed hole 15 that the bottom of kinematic link 8 has through the circle centre position of valve ectosome 6 is fixed on the spool seat of honour 3, the top of kinematic link 8 is flexibly connected with the middle part of floating ball rod A10 by bolt, the bottom of ball float support 9 is fixed on the top of valve ectosome 6, the bottom of floating ball rod support 14 is fixed on the outer end of valve ectosome 6, floating ball rod A10 is connected with the top movable of floating ball rod support 14 by bolt through the hole of ball float support 9 bottoms, floating ball rod B13 is flexibly connected with floating ball rod A10 by bolt through the hole on ball float support 9 tops.In Fig. 1, a, b, c place are a connecting rod upper shed, and another connecting rod passes and with bolt pinning, forms and be flexibly connected.
Utilization of the present invention 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, make lower 4 tight closure of the spool seat of honour 3 and spool, air-stopping valve is in automatic closed condition.In the time that current pass through 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 ball float A11, along with liquid level rises, ball float A11, ball float B12 rise in succession, produce buoyancy, ball float A11 is connected with kinematic link 8 by floating ball rod A10, pull kinematic link 8 by floating ball rod A10, make the spool seat of honour 3 start to rise, reach unlatching effect, ball float B12 pulls ball float A11 by floating ball rod B13 simultaneously, increase and pull buoyancy, 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 ball float B12, ball float A11, ball float B12 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, domatic 2 shapes at 45 ° are made respectively in the corresponding part on the top that the bottom at the spool seat of honour 3 and spool are lower 4, therefore, when 45 ° domatic 2 of 3 bottoms, the spool seat of honour during with 45 ° of domatic 2 closures on lower 4 tops of spool, greatly increase area of contact for 45 ° domatic 2, 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 ball float position, valve body is closed automatically, play only gas effect, in water level decline process, because ball float A11 is connected with kinematic link 8 by floating ball rod A10, ball float B12 is connected with ball float A11 by floating ball rod B13 simultaneously, 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 two float-ball 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), domatic (2) at 45 ° are made respectively in the corresponding part on the top of the bottom at the spool seat of honour (3) and spool lower (4), 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), ball float A(11) bottom be provided with floating ball rod A(10), ball float B(12) bottom be provided with floating ball rod B(13), the kinematic link fixed hole (15) that the bottom of kinematic link (8) has through the circle centre position of valve ectosome (6) is fixed on the spool seat of honour (3), the top of kinematic link (8) is by bolt and floating ball rod A(10) middle part be flexibly connected, the bottom of ball float support (9) is fixed on the top of valve ectosome (6), the bottom of floating ball rod support (14) is fixed on the outer end of valve ectosome (6), floating ball rod A(10) be connected with the top movable of floating ball rod support (14) by bolt through the hole of ball float support (9) bottom, floating ball rod B(13) through the hole on ball float support (9) top by bolt and floating ball rod A(10) be flexibly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410061390.3A CN103791146B (en) | 2014-02-24 | 2014-02-24 | Two float-ball type fire-fighting air-stopping valve door device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410061390.3A CN103791146B (en) | 2014-02-24 | 2014-02-24 | Two float-ball type fire-fighting air-stopping valve door device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103791146A true CN103791146A (en) | 2014-05-14 |
| CN103791146B CN103791146B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410061390.3A Active CN103791146B (en) | 2014-02-24 | 2014-02-24 | Two float-ball type fire-fighting air-stopping valve door device |
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| CN (1) | CN103791146B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2309235A (en) * | 1943-01-26 | Ball cock construction | ||
| DE836786C (en) * | 1942-02-03 | 1952-04-17 | Gustav Friedrich Gerdts | Safety drain regulator |
| FR2171545A5 (en) * | 1972-02-04 | 1973-09-21 | Electricite De France | |
| JPS5726472U (en) * | 1980-07-17 | 1982-02-10 | ||
| JPH08145228A (en) * | 1994-11-22 | 1996-06-07 | Asahi Organic Chem Ind Co Ltd | Constant flow discharging device |
| CN2314196Y (en) * | 1997-10-21 | 1999-04-14 | 扬州市华扬太阳能热水器有限公司 | Vertical float-ball valve |
| CN2469260Y (en) * | 2001-03-12 | 2002-01-02 | 武汉大禹阀门制造有限公司 | Parallel floating ball type guiding valve |
| CN2515465Y (en) * | 2001-10-26 | 2002-10-09 | 谢坤禄 | Improved water supply device controller |
| CN2535618Y (en) * | 2002-02-28 | 2003-02-12 | 宝山钢铁股份有限公司 | Automatic water-compensating apparatus |
| CN201031971Y (en) * | 2007-02-05 | 2008-03-05 | 韩正全 | High-pressure ball valve |
| CN103526804A (en) * | 2013-10-30 | 2014-01-22 | 山东双轮股份有限公司 | Water flowing and air stopping device with air-pressure water tank |
| CN203703329U (en) * | 2014-02-24 | 2014-07-09 | 丹东川宇消防工程有限公司 | Double floater type fire control air stopping valve device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1564452A1 (en) * | 1987-12-30 | 1990-05-15 | Научно-исследовательский институт санитарной техники | Floating valve |
-
2014
- 2014-02-24 CN CN201410061390.3A patent/CN103791146B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2309235A (en) * | 1943-01-26 | Ball cock construction | ||
| DE836786C (en) * | 1942-02-03 | 1952-04-17 | Gustav Friedrich Gerdts | Safety drain regulator |
| FR2171545A5 (en) * | 1972-02-04 | 1973-09-21 | Electricite De France | |
| JPS5726472U (en) * | 1980-07-17 | 1982-02-10 | ||
| JPH08145228A (en) * | 1994-11-22 | 1996-06-07 | Asahi Organic Chem Ind Co Ltd | Constant flow discharging device |
| CN2314196Y (en) * | 1997-10-21 | 1999-04-14 | 扬州市华扬太阳能热水器有限公司 | Vertical float-ball valve |
| CN2469260Y (en) * | 2001-03-12 | 2002-01-02 | 武汉大禹阀门制造有限公司 | Parallel floating ball type guiding valve |
| CN2515465Y (en) * | 2001-10-26 | 2002-10-09 | 谢坤禄 | Improved water supply device controller |
| CN2535618Y (en) * | 2002-02-28 | 2003-02-12 | 宝山钢铁股份有限公司 | Automatic water-compensating apparatus |
| CN201031971Y (en) * | 2007-02-05 | 2008-03-05 | 韩正全 | High-pressure ball valve |
| CN103526804A (en) * | 2013-10-30 | 2014-01-22 | 山东双轮股份有限公司 | Water flowing and air stopping device with air-pressure water tank |
| CN203703329U (en) * | 2014-02-24 | 2014-07-09 | 丹东川宇消防工程有限公司 | Double floater type fire control air stopping valve device |
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| Publication number | Publication date |
|---|---|
| CN103791146B (en) | 2016-01-13 |
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