CN104390034A - Container valve capable of repeatedly filling on site for gas extinguishing system - Google Patents
Container valve capable of repeatedly filling on site for gas extinguishing system Download PDFInfo
- Publication number
- CN104390034A CN104390034A CN201410653750.9A CN201410653750A CN104390034A CN 104390034 A CN104390034 A CN 104390034A CN 201410653750 A CN201410653750 A CN 201410653750A CN 104390034 A CN104390034 A CN 104390034A
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- CN
- China
- Prior art keywords
- valve
- filling
- gas
- diameter
- cavity
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- 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
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Classifications
-
- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a container valve capable of repeatedly filling on site for a gas extinguishing system. The container valve comprises a valve body, a valve cover, a piston, a spring, a valve rod, a large valve and a small valve, wherein a filling port communicated with a middle cavity is formed in the middle side wall of the valve body. Meanwhile, the container valve further comprises a set of filling assemblies, and the filling assemblies comprise a filling shell, a valve core, a spiral spring and a filling cover. According to the container valve provided by the invention, the filling port and the set of filling assemblies are added on the container valve of the existing structure, and gas cylinders do not need to be conveyed to a gas source plant for filling after a gas extinguishing agent in the gas cylinders is used up, so that rapid filling of the gas extinguishing agent can be realized, and damages to the gas cylinders caused by reciprocating transportation can be reduced. Meanwhile, the transportation cost can be reduced.
Description
Technical field
The invention belongs to technical field of fire control, particularly relate to a kind of can on-the-spot repeatedly filling gas extinguishing system vessel valve.
Background technique
Inert gas fire-fighting system conventional at present mainly uses IG541 (nitrogen 48.8% ~ 55.2%; Argon gas 37.2% ~ 42.8%; Carbon dioxide 7.6% ~ 8.4%), IG55 (nitrogen 50 ± 5%, argon gas 50 ± 5%; ), the gas such as IG01 (argon gas 100%) and IG100 (nitrogen 100%) as gaseous extinguishing agent, its fire-fighting principle is that the oxygen concentration in zone of protection is down to less than 15%, makes it can not support burning.Due to these gaseous extinguishing agents have colourless, tasteless, corrosion-free, non-conductive, without remaining, pollution-free, do not damage the ozone layer, do not produce the advantages such as greenhouse effect, be therefore widely used in the self-extinguishing in the places such as machine room, changed into switchhouse, cultural venue, library, museum.Gas extinguishing system conventional at present mainly comprises shower nozzle, detector, gas cylinder, vessel valve, gets gas head, alarming controller and connecting pipeline; Shower nozzle and detector are arranged on working lining top, zone of protection; Deposited gaseous extinguishing agent in gas cylinder, the bottle mouth position of each gas cylinder is provided with a vessel valve, and on vessel valve, gas head is got in an interface connection, and another interface is connected with shower nozzle by connecting pipeline; Alarming controller is electrically connected with detector.But, there is following point in this gas extinguishing system: after the gaseous extinguishing agent in gas cylinder is freeed leakage or spurted, need gas cylinder to be transported to source of the gas factory to fill, damage is there is in order to prevent gas cylinder in filling process, very strict to the requirement of its packaging during transport, and round transport and fillingly all need the long period, thus add the financial cost in later stage and gas cylinder dismounting, install and the workload of maintenance.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide a kind of can on-the-spot repeatedly filling gas extinguishing system vessel valve.
In order to achieve the above object, provided by the inventionly valve body, valve gap, piston, spring, valve rod, large valve and little moveable door can be comprised by on-the-spot repeatedly filling gas extinguishing system vessel valve, wherein the inside center of valve body has vertically been formed through by upper chamber, the cavity that middle part cavity and lower cavity are formed, and the diameter of upper chamber and lower cavity is all greater than the diameter of middle part cavity, lower end mouth is the suction port be arranged on bottle mouth of gas cylinder, be respectively equipped with in the middle part of sidewall one with get export in a fit of anger be connected get gas head interface and a pressure gauge connection, and pressure gauge connection is connected with lower cavity, side wall upper part is provided with one and is connected and the pipe interface be connected with connecting pipeline with middle part cavity, sidewall is formed simultaneously two ends lay respectively at get driving gas-entered passageway in gas head interface and on valve body upper-end surface and two ends respectively with the little moveable door providing holes of getting gas head interface and lower cavity and being connected, the upper end-hole that valve gap covers valve body is outside, piston is arranged on upper chamber inside in mode moving up and down, the upper end of valve rod is connected in the middle part of the bottom surface of piston, and lower end connects with the large valve upper center being positioned at lower cavity inside, spring housing is contained in valve rod outer surface of upper, little moveable door and Sealing little moveable door assembly, be arranged in little moveable door providing holes, in the middle part of described valve body, sidewall is also formed one be connected with middle part cavity fill mouth, vessel valve also comprises a set of filling components simultaneously, and filling components comprises filling housing, spool, helical spring and filling lid, wherein the inside of filling housing has been formed through a center hole vertically, is horizontally disposed with, and one end is arranged on and fills in mouth, and center hole is divided into two sections from centre, and wherein the diameter in one section, outside is greater than the diameter of one section, inner side, spool is fourth shape structure, is arranged in center hole, and fourth head is arranged on enlarged diameter section inside on center hole, helical spring is sleeved on spool center outer surface, it is outside that filling lid is arranged on filling housing outer end.
Described spool rear end diameter is less than the internal diameter of reduced diameter section on center hole.
Provided by the invention can on-the-spot repeatedly filling gas extinguishing system vessel valve be on the vessel valve of existing structure, add one fill mouth and a set of filling components, like this after the gaseous extinguishing agent in gas cylinder reduces or spurts and use up, do not need again gas cylinder to be transported to source of the gas factory to fill, therefore filling fast of gaseous extinguishing agent can be realized, thus the damage that gas cylinder causes because of round transport can be reduced, can also freight be reduced simultaneously.
Accompanying drawing explanation
Fig. 1 be provided by the invention can on-the-spot repeatedly filling gas extinguishing system vessel valve longitudinal construction plan view.
Fig. 2 be in Fig. 1 A-A to sectional view.
Embodiment
Can be described in detail by on-the-spot repeatedly filling gas extinguishing system vessel valve to provided by the invention below in conjunction with the drawings and specific embodiments.
As shown in Fig. 1-Fig. 2, provided by the inventionly can comprise valve body 1, valve gap 2, piston 3, spring 4, valve rod 5, large valve 6 and little moveable door 7 by on-the-spot repeatedly filling gas extinguishing system vessel valve, wherein the inside center of valve body 1 has vertically been formed through by upper chamber 8, the cavity that middle part cavity 9 and lower cavity 10 are formed, and the diameter of upper chamber 8 and lower cavity 10 is all greater than the diameter of middle part cavity 9, lower end mouth is the suction port 11 be arranged on bottle mouth of gas cylinder, be respectively equipped with in the middle part of sidewall one with get export in a fit of anger be connected get gas head interface 12 and a pressure gauge connection 13, and pressure gauge connection 13 is connected with lower cavity 10, side wall upper part is provided with one and is connected and the pipe interface 14 be connected with connecting pipeline with middle part cavity 9, sidewall is formed simultaneously two ends lay respectively at get driving gas-entered passageway 15 in gas head interface 12 and on valve body 1 upper-end surface and two ends respectively with the little moveable door providing holes 16 of getting gas head interface 12 and lower cavity 10 and being connected, the upper end-hole that valve gap 2 covers valve body 1 is outside, it is inner that piston 3 is arranged on upper chamber 8 in mode moving up and down, the upper end of valve rod 5 is connected in the middle part of the bottom surface of piston 3, and lower end connects with large valve 6 upper center being positioned at lower cavity 10 inside, spring 4 is sleeved in valve rod 5 outer surface of upper, little moveable door 7 and Sealing 23 little moveable door assembly, be arranged in little moveable door providing holes 16, in the middle part of described valve body 1, sidewall is also formed one be connected with middle part cavity 9 fill mouth 17, vessel valve also comprises a set of filling components simultaneously, and filling components comprises filling housing 18, spool 19, helical spring 20 and filling lid 21, wherein the inside of filling housing 18 has been formed through a center hole 22 vertically, is horizontally disposed with, and one end is arranged on and fills in mouth 17, and center hole 22 is divided into two sections from centre, and wherein the diameter in one section, outside is greater than the diameter of one section, inner side, spool 19 is fourth shape structure, is arranged in center hole 22, and fourth head is arranged on enlarged diameter section inside on center hole 22, helical spring 20 is sleeved on spool 19 center outer surface, it is outside that filling lid 21 is arranged on filling housing 18 outer end.
Described spool 19 rear end diameter is less than the internal diameter of reduced diameter section on center hole 22.
Now can on-the-spot repeatedly filling gas extinguishing system vessel valve using method be described below provided by the invention: under normal circumstances, piston 3 will be positioned at upper chamber 8 top under the resilient force of spring 4, large valve 6 is positioned at the lower end mouth place of middle part cavity 9 simultaneously, upper end diameter due to large valve 6 is greater than the diameter of middle part cavity 9, therefore the lower end mouth of middle part cavity 9 can close by large valve 6, withstand on little moveable door providing holes 16 left port by little moveable door 7 and the little moveable door assembly of Sealing 23 by under the pressure effect of extinguishing agent simultaneously, thus little moveable door providing holes 16 left port is closed, at this moment the gaseous extinguishing agent in the gas cylinder be connected with suction port 11 outwards cannot be flowed out by any outlet, when some protective area breaking out of fires, first detector sends fire alarm signal to alarming controller, after alarming controller receives above-mentioned fire alarm signal, send signal to the Fire extinguisher in suppression system, Fire extinguisher starts linkage and (closes illumination, blower fan, air-conditioning, fire-closing valve, door and window etc.), and time delay is about 30S, at this moment be arranged on to get and gas head interface 12 gets gas head by action, thus inwardly promote little moveable door assembly, gap is formed thus between little moveable door assembly and little moveable door providing holes 16, at this moment a small amount of gaseous extinguishing agent in gas cylinder by by the suction port 11 on vessel valve successively through lower cavity 10, it is inner that gas head interface 12 is got in gap between little moveable door assembly and little moveable door providing holes 16 and flowing into, then by driving gas-entered passageway 15 to enter the upper chamber 8 be positioned at inside valve gap 2, diameter due to piston 3 is greater than the diameter of large valve 6, therefore, under the active force that gaseous extinguishing agent applies, piston 3 will move down, large valve 6 also moves down simultaneously, large valve 6 is made to leave the lower end mouth of middle part cavity 9 thus, at this moment the most of extinguishing agent in gas cylinder by by the suction port 11 on vessel valve successively through lower cavity 10, middle part cavity 9 and pipe interface 14 flow in connecting pipeline, outwards spurt finally by shower nozzle and implement fire extinguishing in zone of protection.When needing after gaseous extinguishing agent is used up to fill, first filling lid 21 is taken off, then the inlet on gaseous extinguishing agent injection device is connected in the external port of filling housing 18, under the pressure of gaseous extinguishing agent, helical spring 20 will be compressed, the fourth head on spool 19 is made to leave the external port of filling housing 18 thus, at this moment the bottleneck of the center hole 22 by filling housing 18 in lower cavity 10 and gas cylinder is entered gas cylinder internal by gaseous extinguishing agent, when the pressure gauge reading installed on pressure gauge connection 13 reaches predetermined pressure, stopping fills, at this moment spool 19 recovers reset condition by under the acting in conjunction of gaseous extinguishing agent pressure in the elastic force and gas cylinder of helical spring 20, finally take off inlet and cover filling lid 21 and can complete whole filling process.
Claims (2)
1. can an on-the-spot repeatedly filling gas extinguishing system vessel valve, it comprises valve body (1), valve gap (2), piston (3), spring (4), valve rod (5), large valve (6) and little moveable door (7); wherein the inside center of valve body (1) has vertically been formed through by upper chamber (8), the cavity that middle part cavity (9) and lower cavity (10) are formed, and the diameter of upper chamber (8) and lower cavity (10) is all greater than the diameter at middle part cavity (9), lower end mouth is the suction port (11) be arranged on bottle mouth of gas cylinder, be respectively equipped with in the middle part of sidewall one with get export in a fit of anger be connected get gas head interface (12) and a pressure gauge connection (13), and pressure gauge connection (13) is connected with lower cavity (10), side wall upper part is provided with one and is connected and the pipe interface (14) be connected with connecting pipeline with middle part cavity (9), sidewall is formed simultaneously two ends lay respectively at get driving gas-entered passageway (15) in gas head interface (12) and on valve body (1) upper-end surface and two ends respectively with the little moveable door providing holes (16) of getting gas head interface (12) and lower cavity (10) and being connected, the upper end-hole that valve gap (2) covers valve body (1) is outside, it is inner that piston (3) is arranged on upper chamber (8) in mode moving up and down, the upper end of valve rod (5) is connected in the middle part of the bottom surface of piston (3), and lower end connects with large valve (6) upper center being positioned at lower cavity (10) inside, spring (4) is sleeved in valve rod (5) outer surface of upper, little moveable door (7) and Sealing (23) little moveable door assembly, be arranged in little moveable door providing holes (16), it is characterized in that: described valve body (1) middle part sidewall is also formed one be connected with middle part cavity (9) fill mouth (17), vessel valve also comprises a set of filling components simultaneously, and filling components comprises filling housing (18), spool (19), helical spring (20) and filling lid (21), wherein the inside of filling housing (18) has been formed through a center hole (22) vertically, be horizontally disposed with, one end is arranged on and fills in mouth (17), and center hole (22) is divided into two sections from centre, wherein the diameter in one section, outside is greater than the diameter of one section, inner side, spool (19) is fourth shape structure, is arranged in center hole (22), and fourth head is arranged on the upper enlarged diameter section inside of center hole (22), helical spring (20) is sleeved on spool (19) center outer surface, it is outside that filling lid (21) is arranged on filling housing (18) outer end.
2. according to claim 1 can on-the-spot repeatedly filling gas extinguishing system vessel valve, it is characterized in that: described spool (19) rear end diameter is less than the internal diameter of the upper reduced diameter section of center hole (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410653750.9A CN104390034A (en) | 2014-11-17 | 2014-11-17 | Container valve capable of repeatedly filling on site for gas extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410653750.9A CN104390034A (en) | 2014-11-17 | 2014-11-17 | Container valve capable of repeatedly filling on site for gas extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104390034A true CN104390034A (en) | 2015-03-04 |
Family
ID=52607976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410653750.9A Pending CN104390034A (en) | 2014-11-17 | 2014-11-17 | Container valve capable of repeatedly filling on site for gas extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104390034A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3643691A (en) * | 1969-02-03 | 1972-02-22 | Charles K Huthsing Jr | Valved head assembly for pressurized receptacles |
| CN1352736A (en) * | 1999-07-06 | 2002-06-05 | 欧塞比设备有限公司 | Valve for high pressure gas cylinders |
| CN201844085U (en) * | 2010-09-28 | 2011-05-25 | 西安新竹防灾救生设备有限公司 | Fast response type container valve |
| CN203264104U (en) * | 2013-05-16 | 2013-11-06 | 九江中船消防设备有限公司 | Valve core bottle valve of air fire extinguisher |
| CN203379542U (en) * | 2013-08-06 | 2014-01-08 | 天津意安消防设备有限公司 | Container valve used for heptafluoropropane gas fire extinguishing system and capable of realizing automatic alarm |
-
2014
- 2014-11-17 CN CN201410653750.9A patent/CN104390034A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3643691A (en) * | 1969-02-03 | 1972-02-22 | Charles K Huthsing Jr | Valved head assembly for pressurized receptacles |
| CN1352736A (en) * | 1999-07-06 | 2002-06-05 | 欧塞比设备有限公司 | Valve for high pressure gas cylinders |
| CN201844085U (en) * | 2010-09-28 | 2011-05-25 | 西安新竹防灾救生设备有限公司 | Fast response type container valve |
| CN203264104U (en) * | 2013-05-16 | 2013-11-06 | 九江中船消防设备有限公司 | Valve core bottle valve of air fire extinguisher |
| CN203379542U (en) * | 2013-08-06 | 2014-01-08 | 天津意安消防设备有限公司 | Container valve used for heptafluoropropane gas fire extinguishing system and capable of realizing automatic alarm |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150304 |
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| WD01 | Invention patent application deemed withdrawn after publication |