CN105333216A - Pneumatic starting valve - Google Patents

Pneumatic starting valve Download PDF

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Publication number
CN105333216A
CN105333216A CN201510673189.5A CN201510673189A CN105333216A CN 105333216 A CN105333216 A CN 105333216A CN 201510673189 A CN201510673189 A CN 201510673189A CN 105333216 A CN105333216 A CN 105333216A
Authority
CN
China
Prior art keywords
valve rod
valve
valve body
starter gate
suction port
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.)
Granted
Application number
CN201510673189.5A
Other languages
Chinese (zh)
Other versions
CN105333216B (en
Inventor
陈达伟
俞颖飞
朱登虎
王江陵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Xinda Keen Group Co ltd
Cohen Think Tank Fire Zhejiang Co
Original Assignee
ZHEJIANG THINK TANK FIRE STOPPER INDUSTRY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHEJIANG THINK TANK FIRE STOPPER INDUSTRY Co Ltd filed Critical ZHEJIANG THINK TANK FIRE STOPPER INDUSTRY Co Ltd
Priority to CN201510673189.5A priority Critical patent/CN105333216B/en
Publication of CN105333216A publication Critical patent/CN105333216A/en
Application granted granted Critical
Publication of CN105333216B publication Critical patent/CN105333216B/en
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Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00Means to prevent accidental or unauthorised actuation
    • F16K35/02Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action
    • F16K35/022Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element
    • F16K35/025Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element said actuating element being operated manually (e.g. a push-button located in the valve actuator)
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

The invention discloses a pneumatic starting valve. The pneumatic starting valve comprises a valve body, a valve rod which can move in the valve body, and a limiting mechanism. The valve rod is connected into the valve body in a sealed mode. A gas inlet and a gas outlet which allow driving gas to pass through are formed in the valve body. A locking piece is arranged on the valve rod, and the locking piece is matched with the limiting mechanism, so that the valve rod has a locking position and a working position. When the valve rod is located in the locking position, a channel through which the gas inlet and the gas outlet are communicated is closed through the valve rod; when locking of the valve rod by the locking piece is relieved, the channel through which the gas inlet and the gas outlet are communicated is formed in the side wall of the valve rod under the condition that the driving gas passes through the gas inlet to push the valve rod to move to the working station. According to the pneumatic starting valve, a traditional sealing way based on a metal sealing film is changed, continuous and repeated utilization can be achieved without component replacement, and the use cost is reduced; high-pressure gas is used as the driving gas to open the starting valve, the starting force is large, and a driving device which can be opened with large strength can be opened reliably; in addition, a feedback circuit is arranged, and thus a feedback signal can be output in time when the starting valve is opened.

Description

Gas push formula starter gate valve
Technical field
The invention belongs to the drive unit field of gas fire extinguisher, especially relate to a kind of gas push formula starter gate valve for automatically controlled selector valve.
Background technique
At present, mostly diaphragm sealing type vessel valve is adopted in gas extinguishing system, as Chinese patent CN101507869, " a kind of automatically controlled selector valve and use this valve active bottle control and distribution method " discloses a kind of automatically controlled selector valve, combination is connected with selector valve by electric control driving device, metal sealing diaphragm is provided with in electric control driving device, when electric control driving device operating magnet promotes cutter head, this metal sealing diaphragm is punctured, initiatively gas is made to be divided into two-way after total suction port enters valve body, one road gas pulls valve rod to open total air outlet, another road gas leads to driven bottle.The ability practical function but electric control driving device must be connected with selector valve by this automatically controlled selector valve, and need constantly to change the metal sealing film be punctured, the cutter head difficulty of processing simultaneously puncturing metal sealing diaphragm is higher, and service wear is comparatively large, finally causes user cost higher.Moreover the driving force of electromagnetic actuator device is large all not in gas extinguishing system, the starting drive opened energetically of cannot satisfying the demand.Therefore the starter gate valve developing a kind of new gas fire extinguisher for the problems referred to above is needed.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of structure simple, user cost is low, and driving force is large, has the gas push formula starter gate valve of signal feed back after startup.
The technical solution adopted for the present invention to solve the technical problems is: a kind of gas push formula starter gate valve, comprise valve body, can the valve rod of movement in valve body and position-limit mechanism, described valve stem seal is connected in valve body, and valve body is provided with the suction port and air outlet that pass through for propellant; Latch is provided with above described valve rod, this latch coordinates with position-limit mechanism, valve rod is made to have locking bit and working position, when being in locking bit, valve rod closes the communicating passage of described suction port and air outlet, when latch removes the locking to valve rod, when propellant moves to working position by suction port promotion valve rod, valve rod sidewall forms the passage being communicated with described suction port and air outlet.Structure is simple, changes the sealing means that tradition needs metal sealing film, and the driving force of high-pressure driving gas is comparatively large, can provide larger tripping force.
Further, described valve body is provided with induction pieces, and described valve rod is provided with the trigger member coordinated with this induction pieces, and when valve rod moves to working position, described trigger member triggers induction pieces and forms feedback loop.Starter gate valve can provide feedback signal after opening in time, uses Portable safety more.
Further, described position-limit mechanism comprises the limited part be located on valve rod and is located at the card division coordinated with this limited part in valve body.Position-limit mechanism makes valve rod move in fixed journey system, realizes the function of locking bit and working position.
Further, described position-limit mechanism comprises the actuator being located at the confined planes on valve rod and the pluggable setting of latch, the return unit be located at the positioning component between described confined planes and actuator and coordinated with described actuator; Described actuator is sheathed on outside valve rod, and described positioning component comprises the fitting seat being provided with guide groove and the bounding means be arranged in guide groove; Described confined planes comprises the first confined planes being located at valve rod sidewall and the second confined planes coordinated with fitting seat end face, and when being in locking bit, described bounding means is fastened on valve stem spacing between the first confined planes and actuator.The assembling of starter gate valve is convenient in the setting of this position-limit mechanism, and propellant discharges that complete defensive position is dynamic to be resetted to valve rod, and position-limit mechanism can effectively pass out the signal resetted, and is convenient to the insertion of latch.
Further, described valve rod is variable-diameter structure.
Further, described valve rod sidewall is provided with the groove for being communicated with suction port and air outlet.
Further, described valve rod is connected with valve seal by Sealing, and described Sealing comprises seal ring for be tightly connected valve rod and valve end and the sealed core be located between the peripheral and valve interior wall of valve rod.
Further, described suction port and air outlet are located on the sidewall of valve body.
Further, described valve body top is connected with adaptive electromagnetic actuator device.Electromagnetic actuator device promotes the little power-assisted of starter gate valve, starts whole device.
Further, described air outlet sidewall is provided with first passage.
The invention has the beneficial effects as follows, structure is simple, change traditional diaphragm sealing type structure, just can reuse continuously without the need to changing component, having saved user cost, adopt pressurized gas to open starter gate valve as propellant, tripping force is larger, can to satisfy the demand the drive unit opened energetically, and to be provided with feedback loop, can output feedback signal in time when starter gate valve is opened.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view that the present invention coordinates with electromagnetic actuator device.
Fig. 2 is the side structure schematic diagram that the present invention coordinates with electromagnetic actuator device.
Fig. 3 is starter gate valve closed condition cross-sectional view of the present invention.
Fig. 4 is A portion of the present invention schematic enlarged-scale view.
Fig. 5 is starter gate valve open mode cross-sectional view of the present invention.
Fig. 6 is B portion of the present invention schematic enlarged-scale view.
Embodiment
Better the present invention program is understood in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, clear, complete description is carried out to the technological scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Embodiment 1
With reference to shown in Fig. 1-6, a kind of gas push formula starter gate valve, comprise latch 1, valve body 2, be sealedly connected on valve rod 3 in valve body 2 and position-limit mechanism, valve body 2 offers the suction port 21 and air outlet 22 that pass through for propellant, propellant is pressurized gas.Original state position-limit mechanism and latch 1 are in locking bit, namely latch 1 realizes the locking of valve rod 3 spacing through valve body 2 and valve rod 3, communicating passage now between suction port 21 and air outlet 22 is by the shutoff of valve rod 3 sidewall, and namely propellant cannot flow to air outlet 22 from suction port 21; When pulling away latch 1, valve rod 3 is unlocked, due to the effect of position-limit mechanism, high-pressure driving gas promotes valve rod 3 by suction port 21 and moves down in fixed journey system, when moving to end, starter gate valve is in working position, namely the sidewall of valve rod 3 forms the communicating passage be communicated with between suction port 21 and air outlet 22, and due to the Driving force effect of high-pressure driving gas, valve rod 3 is in working position always, and maintenance suction port 21 is communicated with air outlet 22, and propellant pressure is larger, gas-contact area is larger, and lower thrust is larger.Until high-pressure driving gas is drained completely, valve rod 3 carries out hand reset, and latch 1 reinserts valve body 2 and valve rod 3, spacing to locking bit to valve rod 3.Above-mentioned position-limit mechanism comprises the limited part be arranged on below hole that valve rod 3 passes for latch 1 and the card division being arranged on valve body 2 inside, concrete, this limited part can be convex edge or the projection cube structure of extension from valve rod 3 sidewall, this card division can be the bulge loop or projection cube structure that extend to center from valve body 2 inwall, when valve rod 3 is moved downward to limited part bottom surface and card division end face offsets, namely be in the working position of valve rod 3, realize valve rod 3 and move in fixed journey system.
In order to realize being tightly connected between valve body 2 and valve rod 3, in valve body 2, below card division, Sealing can be set, described Sealing comprises the sealed core 24 being arranged on valve body 2 inside and the seal ring 25 be arranged between valve body 2 lower end mouth and valve rod 3, through hole is provided with between sealed core 24 and suction port 21, in order to easy to assembly, sealing seat 26 can also be set between sealed core 24 and valve body 2, release seat 7 is set between air outlet 22 and valve rod 3, in order to realize sealing further, valve body 2 and sealing seat 26, sealing seat 26 and sealed core 24, sealed core 24 and valve rod 3, seal ring 25 and valve body 2, all seal ring is provided with between release seat 7 and valve body 2, red copper pad is also provided with between release seat 7 and sealed core 24.Be connected for the ease of the active bottle of suction port 21 with external storage pressurized gas, suction port 21 is designed to shoulder hole form.Inlet hole 21 and being tightly connected by Sealing between air outlet hole 22 and outer coupling portion.Sealing can be O type circle or polytetrafluoroethylene gasket etc.
In order to realize the function of working position, valve rod 3 can be set for variable-diameter structure, namely the lower diameter of valve rod 3 is larger, it is inner that it is fastened on valve body 2, the external diameter of valve rod 3 is coordinated with the Sealing in valve body 2, the upper diameter of valve rod 3 diminishes, and suction port 21 is in this first reducing place, the internal diameter of the top seal core 24 at the first reducing place is less than the internal diameter of its underpart sealed core 24, when valve rod 3 is moved downward to working position, the external diameter of valve rod 3 is less than the internal diameter of sealed core 24, make to form communicating passage between suction port 21 and air outlet 22, certainly, valve rod 3 may not be variable-diameter structure and arranges, it need arrange groove in the fixed journey system of valve rod 3 movement, when making valve rod 3 be in working position, this groove becomes the passage being communicated with suction port 21 and air outlet 22, and when being in locking bit, groove on valve rod 3 is positioned at the top position of suction port 21 and sealed core 24 is tightly connected.In the present embodiment, suction port 21 and air outlet 22 are opened on the sidewall of valve body 2, air outlet 22 also offer for connecting the first passage 221 that other start driven bottle group.
In order to realize forming a feedback loop to external world when starter gate valve is opened, valve rod 3 arranges trigger member 31, valve body 2 arranges induction pieces 23, when valve rod 3 moves to working position, trigger member 31 is near induction pieces 23, triggering induction pieces 23 is closed and extraneous forms feedback loop, outwardly transmits feedback signal.Concrete, in the present embodiment, trigger member 31 is permanent-magnet, and induction pieces 23 is for being fixedly connected on the dry reed-pipe of valve body 2 bottom.
Embodiment 2
The difference of the present embodiment and embodiment 1 is, position-limit mechanism is located at valve rod 3 top, and latch 1 plugs with position-limit mechanism and valve body 2 and coordinates.Original state, position-limit mechanism is in locking bit, namely latch 1 inserts the locking of position-limit mechanism realization to valve rod 3 through valve body 2, communicating passage now between suction port 21 and air outlet 22 is by the shutoff of valve rod 3 sidewall, when pulling away latch 1, position-limit mechanism is unlocked, high-pressure driving gas promotes valve rod 3 by suction port 21 and moves down in fixed journey system, when moving to end, starter gate valve is in working position, namely the sidewall of valve rod 3 forms the communicating passage be communicated with between suction port 21 and air outlet 22, until high-pressure driving gas is drained completely, valve rod 3 carries out hand reset, latch 1 inserts position-limit mechanism through valve body 2 again, spacing to locking bit to valve rod 3.
Concrete, in order to realize the locking to valve rod 3, spacing and reset response better, also for the ease of assembling, position-limit mechanism comprises the confined planes, actuator 42, positioning component and the return unit 43 with the pluggable setting of latch 1 that are located at valve rod 3 upper portion side wall.Positioning component comprises fitting seat 5 and bounding means 52, the lower end of fitting seat 5 and sealed core 24 offset and have outward extending flange, fitting seat 5 offers the guide groove 51 running through its sidewall, bounding means 52 is fastened in this guide groove 51 movably, optionally, in the present embodiment, bounding means 52 is steel ball.Fitting seat 5 madial wall is also provided with bulge loop 54, and valve rod 3 top has again the structure of reducing, and bulge loop 54 is fastened on this second reducing place.Confined planes comprises is located at the second confined planes 412 that valve rod 3 top can coordinate with fitting seat 5 end face and the first confined planes 411 being located at valve rod 3 sidewall, described confined planes can be and valve rod 3 integrative-structure, also can be the locating element structure be detachably connected on by link 53 on valve rod 3, concrete, link 53 can be circular cylinder elastic cotter, locating piece can be set screw, namely the second confined planes 412 is the ledge structure of set screw upper end, first confined planes 411 is the reducing segment structure that set screw lower end edge inclined-plane inwardly shrinks, and transition position has plane of inclination.Actuator 42 is set in the outside of valve rod 3 and positioning component, actuator 42 has the transitional surface offseted with return unit 43, concrete, in the present embodiment, return unit 43 is spring, lower end and the sealing seat 26 of return unit 43 offset, latch 1 laterally interts avoids actuator 42 to move down into the top of actuator 42, the underpart of actuator 42 has to extend internally establishes the flange 421 of bounding means 52 for the card when locking bit, the inwall of actuator 42 is variable-diameter structure, its lower end diameter is less, the bounding means 52 when locking bit is made just to be fastened on actuator 42, between fitting seat 5 and the first confined planes 411, the upper inner diameter of actuator 42 is larger, make bounding means 52 can transfer from one place to another under escort except the locking to valve rod 3 outward, valve rod 3 can be moved down, actuator 42 internal diameter transition position has surface slope structure.For the ease of assembling, described actuator 42 can be Split type structure, and it comprises first actuator that be connected pluggable with latch 1 and the second actuator offseted with return unit 43, and described first actuator is set in the second actuator periphery and is fixedly connected with it.
The top of starter gate valve is removably connected with adaptive electromagnetic actuator device 6, during use, when latch 1 is pulled away position-limit mechanism, electromagnetic actuator device 6 pairs of actuators 42 apply a downward Driving force, actuator 42 moves down compression return unit 43, when moving to larger section of diameter, bounding means 52 moves to the gap between actuator 42 and fitting seat 5, thus the first confined planes 411 departs from bounding means 52, valve rod 3 moves down under the promotion of high-pressure driving gas, when the upper end face of the bottom surface and fitting seat 5 that move to the second confined planes 412 offsets, valve rod 3 stops moving down, now position-limit mechanism is in released state, valve rod 3 is in working position, suction port 21 is connected with air outlet 22, pressurized gas sustained release, due to the pressure of gas, valve rod 3 keeps working position.Now, the position being located at trigger member 31 position on valve rod 3 and induction pieces 23 is closest, trigger member 31, i.e. permanent-magnet, triggers induction pieces 23, i.e. dry reed-pipe, closed, forms the loop of outwardly feedback signal, exports the signal opened.When gas discharges completely, now valve rod 3 loses the Driving force of pressurized gas, valve rod 3 hand reset, the restoring force of return unit 43 makes actuator 42 move up, and bounding means 52 is extruded gap, when valve rod 3 moves up to locking bit, bounding means 52 recovers initial position, is fastened on the first confined planes 411, between fitting seat 5 and the hypomere of actuator 42, latch 1 inserts the actuator 42 of position-limit mechanism through valve body 2, realize the lock function to valve rod 3, feedback loop disconnects simultaneously.
Above-mentioned embodiment is used for explaining and the present invention is described, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment make the present invention and change, all fall into protection scope of the present invention.

Claims (10)

1. a gas push formula starter gate valve, comprise valve body (2), can the valve rod (3) of movement in valve body (2) and position-limit mechanism, it is characterized in that: described valve rod (3) is sealedly attached in valve body (2), valve body (2) is provided with the suction port (21) and air outlet (22) that pass through for propellant; Described valve rod (3) top is provided with latch (1), this latch (1) coordinates with position-limit mechanism, valve rod (3) is made to have locking bit and working position, when being in locking bit, the communicating passage of the closed described suction port (21) of valve rod (3) and air outlet (22), when latch (1) removes the locking to valve rod (3), when propellant moves to working position by suction port (21) promotion valve rod (3), valve rod (3) sidewall forms the passage being communicated with described suction port (21) and air outlet (22).
2. starter gate valve according to claim 1, it is characterized in that: described valve body (2) is provided with induction pieces (23), described valve rod (3) is provided with the trigger member (31) coordinated with this induction pieces (23), when valve rod (3) moves to working position, described trigger member (31) triggers induction pieces (23) and forms feedback loop.
3. starter gate valve according to claim 1, is characterized in that: described position-limit mechanism comprises the limited part be located on valve rod (3) and is located at the card division coordinated with this limited part in valve body (2).
4. starter gate valve according to claim 1, is characterized in that: described position-limit mechanism comprise the confined planes be located on valve rod (3), with the actuator (42) of latch (1) pluggable setting, the return unit (43) being located at the positioning component between described confined planes and actuator (42) and coordinating with described actuator (42); Described actuator (42) is sheathed on valve rod (3) outward, and described positioning component comprises the fitting seat (5) being provided with guide groove (51) and the bounding means (52) be arranged in guide groove (51); Described confined planes comprises the first confined planes (411) being located at valve rod (3) sidewall and the second confined planes (412) coordinated with fitting seat (5) end face, when being in locking bit, described bounding means (52) is fastened on spacing for valve rod (3) between the first confined planes (411) and actuator (42).
5. starter gate valve according to claim 1, is characterized in that: described valve rod (3) is variable-diameter structure.
6. starter gate valve according to claim 1, is characterized in that: described valve rod (3) sidewall is provided with the groove for being communicated with suction port (21) and air outlet (22).
7. starter gate valve according to claim 1, it is characterized in that: described valve rod (3) is tightly connected by Sealing and valve body (2), described Sealing comprises seal ring (25) for the valve rod that is tightly connected (3) and valve body (2) end and the sealed core (24) be located between peripheral and valve body (2) inwall of valve rod (3).
8. starter gate valve according to claim 1, is characterized in that: described suction port (21) and air outlet (22) are located on the sidewall of valve body (2).
9. starter gate valve according to claim 1, is characterized in that: described valve body (2) top is connected with adaptive electromagnetic actuator device (6).
10. starter gate valve according to claim 1, is characterized in that: described air outlet (22) sidewall is provided with first passage (221).
CN201510673189.5A 2015-10-16 2015-10-16 Gas push formula trigger valve Active CN105333216B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201510673189.5A CN105333216B (en) 2015-10-16 2015-10-16 Gas push formula trigger valve

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CN105333216A true CN105333216A (en) 2016-02-17
CN105333216B CN105333216B (en) 2018-01-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108413087A (en) * 2018-05-14 2018-08-17 泰州市百冠泵阀科技有限公司 A kind of inside screw nonrising stem type gate valve of discharging emergency cut-off
CN113908459A (en) * 2021-09-02 2022-01-11 宁波新高流体控制技术有限公司 Escape oxygen valve capable of being opened quickly

Citations (7)

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Publication number Priority date Publication date Assignee Title
US3972346A (en) * 1974-08-23 1976-08-03 Wingaersheek, Inc. Pressure regulator
JP2003010355A (en) * 2001-06-28 2003-01-14 Senju Sprinkler Kk Pre-operating type sprinkler fire extinguishing equipment and flowing water detector
CN200999916Y (en) * 2007-01-24 2008-01-02 陈秀玉 CO2 container valve
CN202629090U (en) * 2012-04-10 2012-12-26 杭州飞宝传动科技有限公司 Bottle valve for subway fire extinguishing system
CN102996862A (en) * 2012-12-03 2013-03-27 宁波三安制阀有限公司 Bottle valve with electromagnetic device
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
CN203647920U (en) * 2014-01-08 2014-06-18 四川华川工业有限公司 Starting valve for fire extinguisher

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3972346A (en) * 1974-08-23 1976-08-03 Wingaersheek, Inc. Pressure regulator
JP2003010355A (en) * 2001-06-28 2003-01-14 Senju Sprinkler Kk Pre-operating type sprinkler fire extinguishing equipment and flowing water detector
CN200999916Y (en) * 2007-01-24 2008-01-02 陈秀玉 CO2 container valve
CN202629090U (en) * 2012-04-10 2012-12-26 杭州飞宝传动科技有限公司 Bottle valve for subway fire extinguishing system
CN102996862A (en) * 2012-12-03 2013-03-27 宁波三安制阀有限公司 Bottle valve with electromagnetic device
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
CN203647920U (en) * 2014-01-08 2014-06-18 四川华川工业有限公司 Starting valve for fire extinguisher

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108413087A (en) * 2018-05-14 2018-08-17 泰州市百冠泵阀科技有限公司 A kind of inside screw nonrising stem type gate valve of discharging emergency cut-off
CN108413087B (en) * 2018-05-14 2023-10-20 泰州市百冠泵阀科技有限公司 Hidden rod gate valve for discharging emergency cut-off
CN113908459A (en) * 2021-09-02 2022-01-11 宁波新高流体控制技术有限公司 Escape oxygen valve capable of being opened quickly

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Address after: No. 6 Tingtao Road, Haining High tech Industrial Park, Jiaxing City, Zhejiang Province 314000

Patentee after: Cohen Think Tank Fire(Zhejiang) Co.

Country or region after: China

Address before: No. 6 Tingtao Road, Haining High tech Industrial Park, Haining City, Zhejiang Province, China 314424

Patentee before: ZHEJIANG THINK TANK FIRE STOPPER INDUSTRY Co.,Ltd.

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