CN104390045A - Automatic resetting selection valve for straight-through gas extinguishing system - Google Patents
Automatic resetting selection valve for straight-through gas extinguishing system Download PDFInfo
- Publication number
- CN104390045A CN104390045A CN201410652138.XA CN201410652138A CN104390045A CN 104390045 A CN104390045 A CN 104390045A CN 201410652138 A CN201410652138 A CN 201410652138A CN 104390045 A CN104390045 A CN 104390045A
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- Prior art keywords
- valve
- baffle ring
- peripheral surface
- outlet
- fixed
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Classifications
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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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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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
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses an automatic resetting selection valve for a straight-through gas extinguishing system. The automatic resetting selection valve comprises an inlet end, a spring, a valve sleeve, a valve, an outlet end, an upper baffle ring, a lower baffle ring, a fixing nut and a sealing bracket, wherein a lower interface is formed in the lower part of the side wall of the valve sleeve; a middle interface is formed in the middle part of the side wall; the outlet and inlet ends are arranged at the upper and lower ports of the valve sleeve respectively; the outer circumferential surface of the upper baffle ring is fixed on the inner circumferential surface of the valve sleeve; an assembly constructed by the fixing nut and the sealing bracket is positioned below the outlet end, and is in threaded connection to one side of the lower end face of the outlet end; the valve is arranged on the inner side of the upper baffle ring; the inner circumferential surface of the lower baffle ring is fixed on the middle part of the outer circumferential surface of the valve; the spring is arranged inside the valve; the lower end of the spring is fixed on the upper port of the inlet end; the upper end of the spring is fixed on the top inner surface of the valve. The selection valve can be reset automatically, so that the workload can be lowered, and economical losses are reduced. Moreover, a straight-through design is adopted, so that the automatic resetting selection valve has the advantages of reasonable and simple structural design, easiness and convenience in installation, high working reliability, and the like.
Description
Technical field
The invention belongs to technical field of fire control, particularly relating to one can automatically reset straight-through type gas extinguishing system selector valve.
Background technique
Can not cause the features such as damage to property and accurate facility because gaseous extinguishing agent has, therefore gas extinguishing system has been widely used in the self-extinguishing in the places such as machine room, changed into switchhouse, transformer vault, archive office.At present conventional gas extinguishing system is equipped with the parts compositions such as the gas cylinder of gaseous extinguishing agent, vessel valve, connecting pipeline, ram's horns, selector valve, pilot valve, pipe network, nozzle, detector and alarming controller primarily of inside; Wherein shower nozzle and detector are arranged on working lining top, zone of protection; Gas cylinder is arranged between gas cylinder, and the bottle mouth position of each gas cylinder is separately installed with a vessel valve; The outlet of vessel valve is connected with multichannel ram's horns by connecting pipeline; An import of selector valve is connected with ram's horns outlet end, and an outlet connects pilot valve, another outlet connecting pipe net; The end of pipe network connects nozzle; Alarming controller is then arranged on the wall of zone of protection.Without fire under normal circumstances, all selector valves and pilot valve keep closed condition.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 sends signal enabling linkage and (closes illumination, blower fan, air-conditioning, fire-closing valve, door and window etc.), and time delay is about 30S, selector valve in vessel valve on gas cylinder and fire generation area is opened by corresponding actuator respectively, thus make the connecting pipeline between gas cylinder to fire generation area, ram's horns and pipe network keep connected state, and the selector valve in all the other protective areas still keeps closed condition, at this moment, gaseous extinguishing agent in gas cylinder is by the vessel valve successively by this gas cylinder is installed, connecting pipeline, the ram's horns of fire generation area, selector valve and pipe network are supplied to shower nozzle, finally outwards spurt in fire generation area from shower nozzle and implement fire extinguishing.But, there is following point in selector valve conventional at present: after its one-off, staff is needed to carry out hand reset, because this increasing the workload of staff, but also likely occur causing the gaseous extinguishing agent needed for breaking out of fire region all can not be supplied to this protective area not in time because resetting, result causes occurring the problems such as immeasurable economic loss; Secondly, selector valve structure is comparatively complicated, add the installation difficulty of selector valve, and working stability is not high.
Summary of the invention
In order to solve the problem, object of the present invention provides one can automatically reset straight-through type gas extinguishing system selector valve.
In order to achieve the above object, provided by the invention can automatically reset gas extinguishing system selector valve entry end, spring, valve pocket, valve, outlet end, upper baffle ring, lower baffle ring, fixing female and sealed support; Wherein valve pocket is circular tube shaped, and lower sidewall is formed with a lower interface be connected with pilot valve upper outlet, is positioned to be formed with one in the middle part of the sidewall above lower interface and to be exported the middle part interface be connected by connecting hose and pilot valve upper lateral part; Outlet end and entry end are arranged on valve pocket upper and lower port place respectively, and wherein entry end is connected to ram's horns end, and outlet end connects pipe network; The outer peripheral surface of upper baffle ring is fixed on the inner peripheral surface of valve pocket; Fixing female assembly formed with sealed support is positioned at the below of outlet end, and is threaded on side, outlet end lower end surface; Valve is circular tube shaped, is arranged on inside upper baffle ring in the mode that can move up and down, and top outer peripheral surface contacts with the inner peripheral surface of upper baffle ring, and upper end-hole can snap together with the exterior periphery of fixing mother; The inner peripheral surface of lower baffle ring is fixed in the middle part of the outer peripheral surface of valve, and upper surface lateral part has been recessed to form an annular inlet passageway downwards; Spring is arranged on valve inside, and lower end is fixed on the upper end-hole place of entry end, and upper end is then fixed in the top inner surface of valve.
The lower surface of described upper baffle ring is positioned on the valve pocket inner peripheral surface of interface upper end, middle part.
Described upper baffle ring is identical with the inner and outer diameter of lower baffle ring.
Provided by the inventionly can to automatically reset by automatically reset straight-through type gas extinguishing system selector valve, therefore significantly can alleviate the workload of work and reduce the economic loss caused therefrom.In addition, this selector valve adopts straight-through type design, has reasonable in design, simple, simple installation, functional reliability advantages of higher.
Accompanying drawing explanation
Fig. 1 be provided by the invention can automatically reset straight-through type gas extinguishing system selector valve longitudinal construction sectional view.
Fig. 2 be with the selector valve shown in Fig. 1 with the use of pilot valve longitudinal construction sectional view.
Embodiment
Can be described in detail by automatically reset straight-through type gas extinguishing system selector valve to provided by the invention below in conjunction with the drawings and specific embodiments.
Provided by the invention can automatically reset straight-through type gas extinguishing system selector valve need with the pilot valve 10 shown in Fig. 2 with the use of.As shown in Figure 2, described pilot valve 10 comprises main body 11, valve 12, spring 13 and spring bracket 14; Wherein the inside center level of main body 11 has been formed through cavity 15, a baffle plate 17 with center hole 16 is provided with in the middle part of cavity 15, left port is outlet 18, right output port is electromagnetic actuator device interface 19, sidewall is formed with a lateral outlet 20 be connected with the cavity 15 on the right side of baffle plate 17 simultaneously; Spring bracket 14 is annular, be arranged on cavity 15 internal surface at outlet 18 places, and external peripheral zone is formed with multiple through hole 21 vertically; Valve 12 is fourth shape structure, the cavity 15 be positioned on the left of baffle plate 17 is horizontally set on inner in the mode that can move left and right, rear end is inserted in the center hole of spring bracket 14, is outwardly formed with a boss 22 that can be inserted on baffle plate 17 in center hole 16 in the middle part of the exterior edge face of front end fourth head; Spring 13 is sleeved on valve 12 center outer surface.
As shown in Figure 1, provided by the inventionly entry end 1, spring 2, valve pocket 3, valve 4, outlet end 5, upper baffle ring 6, lower baffle ring 23, fixing female 24 and sealed support 25 can be comprised by automatically reset straight-through type gas extinguishing system selector valve; Wherein valve pocket 3 is circular tube shaped, and lower sidewall is formed with a lower interface 7 be connected with pilot valve 10 upper outlet 18, is positioned to be formed with one in the middle part of the sidewall above lower interface 7 and to export the 20 middle part interfaces 8 be connected by connecting hose and pilot valve 10 upper lateral part; Outlet end 5 and entry end 1 are arranged on valve pocket 3 upper and lower port place respectively, and wherein entry end 1 is connected to ram's horns end, and outlet end 5 connects pipe network; The outer peripheral surface of upper baffle ring 6 is fixed on the inner peripheral surface of valve pocket 3; The assembly that fixing mother 24 and sealed support 25 form is positioned at the below of outlet end 5, and is threaded on side, outlet end 5 lower end surface; Valve 4 is circular tube shaped, and be arranged on inside upper baffle ring 6 in the mode that can move up and down, top outer peripheral surface contacts with the inner peripheral surface of upper baffle ring 6, and upper end-hole can snap together with the fixing exterior periphery of female 24; The inner peripheral surface of lower baffle ring 23 is fixed in the middle part of the outer peripheral surface of valve 4, and upper surface lateral part has been recessed to form an annular inlet passageway 9 downwards; It is inner that spring 2 is arranged on valve 4, and lower end is fixed on the upper end-hole place of entry end 1, and upper end is then fixed in the top inner surface of valve 4.
The lower surface of described upper baffle ring 6 is positioned on valve pocket 3 inner peripheral surface of interface 8 upper end, middle part.
Described upper baffle ring 6 is identical with the inner and outer diameter of lower baffle ring 23.
Provided by the invention can the gas extinguishing system working principle of automatically reset straight-through type selector valve being described below now is installed: under normal circumstances, owing to flowing through without gaseous extinguishing agent in ram's horns, and pilot valve 10 is in closed condition, therefore in selector valve, the upper end-hole of valve 4 will be against in the fixing exterior periphery of female 24 under the resilient force of spring 2, so the upper end-hole of valve 4 can close by fixing female 24 completely, now lower baffle ring 23 keeps off at middle part interface 8 by upper baffle ring 6 just, and its upper air passage 9 is straight to middle part interface 8.When a certain protective area breaking out of fire, 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 sends signal enabling linkage and (closes illumination, blower fan, air-conditioning, fire-closing valve, door and window etc.), and time delay is about 30S, vessel valve afterwards on gas cylinder will be opened, meanwhile, be arranged on the electromagnetic actuator device at electromagnetic actuator device interface 19 place on pilot valve 10 by action, therefore the boss 22 of valve 12 on pilot valve 10 is promoted left, thus valve 12 is moved to outlet 18 direction, the center hole 16 that fourth head now on valve 12 will leave on baffle plate 17, open pilot valve 10 thus, at this moment the gaseous extinguishing agent in gas cylinder is by the vessel valve successively on gas cylinder, connecting pipeline, the ram's horns of fire generation area and enter the inside cavity of this selector valve from entry end 1, then successively by lower interface 7, the outlet 18 of pilot valve 10, be positioned at the cavity 15 on the left of baffle plate 17, through hole 21 on spring bracket 14, center hole 16 on baffle plate 17, lateral outlet 20, connecting hose, the middle part interface 8 of selector valve upper valve sleeve 3 and enter in gas-entered passageway 9, and downward active force is applied to lower baffle ring 23 and valve 4, because this active force acts on making a concerted effort of active force on valve 4 much larger than the elastic force of spring 2 and gas, therefore valve 4 moves down, and downward Compress Spring 2, the upper end-hole of valve 4 is made to leave fixing mother 24 and open selector valve thus, at this moment the gaseous extinguishing agent entering inside cavity is supplied to shower nozzle by by the space between valve 4 and fixing female 24 through outlet end 5 and pipe network, finally outwards spurt in fire generation area from shower nozzle and implement fire extinguishing.When circulating without gaseous extinguishing agent in ram's horns, the spring 2 in valve pocket 3 will rely on elastic force to recover reset condition, thus drive valve 4 to move up, until valve 4 contacts with fixing female 24, be closed voluntarily by selector valve thus.
Claims (3)
1. can an automatically reset straight-through type gas extinguishing system selector valve, it is characterized in that: it comprises entry end (1), spring (2), valve pocket (3), valve (4), outlet end (5), upper baffle ring (6), lower baffle ring (23), fixing female (24) and sealed support (25); Wherein valve pocket (3) is circular tube shaped, lower sidewall is formed with a lower interface (7) be connected with pilot valve (10) upper outlet (18), is formed with one and exports by connecting hose and pilot valve (10) upper lateral part the middle part interface (8) that (20) be connected in the middle part of the sidewall being positioned at lower interface (7) top; Outlet end (5) and entry end (1) are arranged on valve pocket (3) upper and lower port place respectively, and wherein entry end (1) is connected to ram's horns end, and outlet end (5) connects pipe network; The outer peripheral surface of upper baffle ring (6) is fixed on the inner peripheral surface of valve pocket (3); The assembly that fixing female (24) and sealed support (25) form is positioned at the below of outlet end (5), and is threaded on outlet end (5) side, lower end surface; Valve (4) is circular tube shaped, upper baffle ring (6) inner side is arranged in the mode that can move up and down, top outer peripheral surface contacts with the inner peripheral surface of upper baffle ring (6), and upper end-hole can snap together with the exterior periphery of fixing mother (24); The inner peripheral surface of lower baffle ring (23) is fixed in the middle part of the outer peripheral surface of valve (4), and upper surface lateral part has been recessed to form an annular inlet passageway (9) downwards; It is inner that spring (2) is arranged on valve (4), and lower end is fixed on the upper end-hole place of entry end (1), and upper end is then fixed in the top inner surface of valve (4).
2. according to claim 1 can automatically reset straight-through type gas extinguishing system selector valve, it is characterized in that: the lower surface of described upper baffle ring (6) is positioned on valve pocket (3) inner peripheral surface of interface (8) upper end, middle part.
3. according to claim 1 can automatically reset straight-through type gas extinguishing system selector valve, it is characterized in that: described upper baffle ring (6) is identical with the inner and outer diameter of lower baffle ring (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410652138.XA CN104390045A (en) | 2014-11-17 | 2014-11-17 | Automatic resetting selection valve for straight-through gas extinguishing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410652138.XA CN104390045A (en) | 2014-11-17 | 2014-11-17 | Automatic resetting selection valve for straight-through gas extinguishing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104390045A true CN104390045A (en) | 2015-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410652138.XA Pending CN104390045A (en) | 2014-11-17 | 2014-11-17 | Automatic resetting selection valve for straight-through gas extinguishing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104390045A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561560A (en) * | 2018-04-13 | 2018-09-21 | 宜兴市锦辉铜材有限公司 | A kind of selector valve for preventing valve body piston stuck |
| CN108692044A (en) * | 2018-06-04 | 2018-10-23 | 江苏天域阀业制造有限公司 | A kind of valve reducing compression shock |
| CN109990100A (en) * | 2019-05-05 | 2019-07-09 | 苏州市职业大学 | A kind of mechanical temperature control shut-off valve and vapor sampling device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4082148A (en) * | 1976-07-26 | 1978-04-04 | A-T-O Inc. | Fire protection system |
| CN2748723Y (en) * | 2004-10-22 | 2005-12-28 | 陈秀玉 | Selector valve for gas fire-extinguishing system |
| CN201162850Y (en) * | 2008-01-25 | 2008-12-10 | 北京狮岛邦士消防设备有限公司 | Straight-through type pipeline distribution valve |
| CN201554867U (en) * | 2009-12-16 | 2010-08-18 | 西安新竹防灾救生设备有限公司 | Automatic resetting selection valve |
| CN202371273U (en) * | 2011-12-12 | 2012-08-08 | 西安核设备有限公司 | Gas fire extinction selector valve |
| CN203442155U (en) * | 2013-09-12 | 2014-02-19 | 尹西峰 | Area selecting valve for gas fire-extinguishing system |
-
2014
- 2014-11-17 CN CN201410652138.XA patent/CN104390045A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4082148A (en) * | 1976-07-26 | 1978-04-04 | A-T-O Inc. | Fire protection system |
| CN2748723Y (en) * | 2004-10-22 | 2005-12-28 | 陈秀玉 | Selector valve for gas fire-extinguishing system |
| CN201162850Y (en) * | 2008-01-25 | 2008-12-10 | 北京狮岛邦士消防设备有限公司 | Straight-through type pipeline distribution valve |
| CN201554867U (en) * | 2009-12-16 | 2010-08-18 | 西安新竹防灾救生设备有限公司 | Automatic resetting selection valve |
| CN202371273U (en) * | 2011-12-12 | 2012-08-08 | 西安核设备有限公司 | Gas fire extinction selector valve |
| CN203442155U (en) * | 2013-09-12 | 2014-02-19 | 尹西峰 | Area selecting valve for gas fire-extinguishing system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561560A (en) * | 2018-04-13 | 2018-09-21 | 宜兴市锦辉铜材有限公司 | A kind of selector valve for preventing valve body piston stuck |
| CN108692044A (en) * | 2018-06-04 | 2018-10-23 | 江苏天域阀业制造有限公司 | A kind of valve reducing compression shock |
| CN109990100A (en) * | 2019-05-05 | 2019-07-09 | 苏州市职业大学 | A kind of mechanical temperature control shut-off valve and vapor sampling device |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150304 |
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| RJ01 | Rejection of invention patent application after publication |