CN113864666A - Cut off stop valve fast - Google Patents
Cut off stop valve fast Download PDFInfo
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- CN113864666A CN113864666A CN202111207265.5A CN202111207265A CN113864666A CN 113864666 A CN113864666 A CN 113864666A CN 202111207265 A CN202111207265 A CN 202111207265A CN 113864666 A CN113864666 A CN 113864666A
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- seat
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- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000012856 packing Methods 0.000 claims description 37
- 230000009471 action Effects 0.000 claims description 19
- 230000004913 activation Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000001257 hydrogen Substances 0.000 description 58
- 229910052739 hydrogen Inorganic materials 0.000 description 58
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 51
- 239000007789 gas Substances 0.000 description 11
- 150000002431 hydrogen Chemical class 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000002360 explosive Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/34—Hydrogen distribution
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Lift Valve (AREA)
Abstract
The invention relates to a quick cut-off stop valve, comprising: the disk seat, first air passage has been seted up at the middle part of disk seat, the intake duct and the gas outlet duct of the first air passage of intercommunication are seted up respectively to the both sides of disk seat, fix the valve casing subassembly at disk seat top, second air passage has been seted up to the inside of valve casing subassembly, the inside gliding removal valve module of second air passage, the removal valve module is including setting up the elastomeric element at the top, near middle part cover of removal valve module is equipped with sealing member, connects first starting pipeline between disk seat and the valve casing subassembly. The quick cut-off stop valve disclosed by the invention has the advantages that the integral valve body structure is compact, the opening and closing operations of the valve body device are simple, and the maintenance is facilitated.
Description
Technical Field
The invention relates to a quick cut-off stop valve.
Background
Hydrogen produced by the hydrogen production equipment is stored in a hydrogen storage tank, and a control valve is arranged on a pipeline behind the hydrogen storage tank. The control valve has the effects that the pipeline of a hydrogen user is collided or is damaged by force inequality, the pressure in the pipeline is rapidly reduced, the rapid cut-off valve is rapidly closed by itself, the hydrogen storage tank is cut off to supply hydrogen, and the hydrogen is prevented from continuously leaking to cause greater harm.
In particular, combustible and explosive media are transported more and more through pipelines, but potential safety hazards of the combustible and explosive media transported through the pipelines are more and more prominent. The accident is caused after flammable and explosive media leak out due to the fact that the pipeline is failed and broken or is damaged by external force. How to effectively reduce or reduce the accidents caused by the leakage of the flammable and explosive media needs to quickly cut off the control valve to be assembled on the pipeline for use.
Disclosure of Invention
The invention provides a quick cut-off stop valve, which aims to at least solve one of the technical problems in the prior art.
The technical scheme of the invention is a quick cut-off stop valve, which comprises: the valve seat, first air flue has been seted up at the middle part of valve seat, the intake duct and the gas off-take of intercommunication first air flue have been seted up respectively to the both sides of valve seat, fix the valve casing subassembly at the valve seat top, the second air flue has been seted up to the inside of valve casing subassembly, the inside gliding removal valve subassembly of second air flue, the removal valve subassembly includes the elastomeric element who sets up at the top, near the middle part cover of removal valve subassembly is equipped with sealing member, connects the first starting pipe between valve seat and the valve casing subassembly, install first control valve on the first starting pipe, connect the second starting pipe between valve seat and the valve casing subassembly, install the second control valve on the second starting pipe, wherein, the bottom of removal valve subassembly with first air flue cooperation is opened the intercommunication or is closed first air flue and second air flue, the two ends of the first starting pipeline are respectively communicated with the second air passage and the air inlet channel, the two ends of the second starting pipeline are respectively communicated with the second air passage and the air outlet channel, the top end of the elastic component is mutually abutted and contacted with the top wall of the second air passage, and the sealing component is mutually abutted and contacted with the inner side wall of the valve shell component.
Further, the valve casing subassembly includes from the top down first valve casing and the second valve casing of fixed connection in proper order, the space of the inside of first valve casing and second valve casing constitutes the second breather passageway, the removal valve subassembly includes valve core seat, case chain bar mechanism and the removal valve block that connects gradually from bottom to top, the top of removal valve block is equipped with the spring fixation pole, the middle part periphery of removal valve block is equipped with spring mounting groove, elastomeric element is the spring, wherein, the spring with spring mounting groove adaptation installation, the spring with the inside wall of second breather passageway supports mutually and holds the contact, and wherein, the one end of spring with the spring fixation pole cooperation installation, the other end of spring with the interior roof of first valve casing supports mutually and holds the contact.
Further, the valve core chain rod mechanism comprises a valve core connecting rod and a valve core which are fixedly connected up and down, the outer diameter sizes of the valve core connecting rod and the valve core are smaller than the inner diameter sizes of the second channels in the first valve shell and the second valve shell, the top end of the valve core connecting rod is fixedly connected with the bottom end of the movable valve block, and the bottom end of the valve core is fixedly connected with the top end of the valve core seat.
The valve core connecting rod is characterized by further comprising a first packing ring and a second packing ring, wherein the first packing ring is arranged at the bottom end inside the first valve casing in a circle, the second packing ring is arranged at the bottom end inside the second valve casing in a circle, the first packing ring is fixed on the inner wall of the first valve casing through a first fastening nut, the second packing ring is fixed on the inner wall of the second valve casing through a second fastening nut, the first packing ring and the second packing ring are respectively in contact with the outer side wall of the valve core connecting rod, and the second air passage between the bottom of the movable valve block and the top of the first packing ring is connected with the end part of the first starting pipeline.
Further, the first packing ring and the second packing ring are arranged adjacently.
Further, gaseous detection mouth has been seted up at the top of second valve casing, gaseous detection mouth with second air channel intercommunication.
Further, valve action alarm is installed to the lateral part of first valve casing, the action trigger head setting of valve action alarm is in on the lateral wall of second air passage, valve action alarm's control port and action alarm controller electric connection.
Further, a sealing ring is arranged between the valve core seat and the connecting position between the valve seats.
Further, the air inlet channel comprises a first-stage straight channel and a first-stage curved channel communicated with the first-stage straight channel, the air outlet channel comprises a second-stage straight channel and a second-stage curved channel communicated with the second-stage straight channel, and the first-stage curved channel is communicated with the second-stage curved channel.
The invention has the beneficial effects that:
1. the hydrogen of the hydrogen pipeline is input into the hydrogen with rated air pressure from the air inlet channel of the stop valve device, when the stop valve is used for the first time, the second control valve is closed, the first control valve is opened, the hydrogen with rated air pressure passes through the air inlet channel and the first starting pipeline at the same time, the hydrogen is conveyed to the second air passage channel through the first control valve, and the movable valve assembly is pushed to slide upwards in the second air passage channel; meanwhile, the valve core seat is pushed open by the hydrogen under the action of the air pressure of the hydrogen, so that two sides of the first air channel are respectively communicated with the air inlet channel and the air outlet channel, the pipeline normally conveys the hydrogen, the stop valve device is communicated under the condition of normal air pressure, and the pipelines on two sides of the stop valve device normally convey the hydrogen with rated pressure; the hydrogen pressures at the two positions respectively push the valve shell assembly and the valve core seat to slide upwards, the whole valve body is compact in structure, and the valve body device is simple to open and close and is beneficial to maintenance.
2. After the normal work of ventilating of above-mentioned stop valve, after the first air flue of mass flow in the air flue and second air flue, import and export pressure balance back, control the stop valve through following control valve, close first control valve, open the second control valve, the stop valve device is in normally open normal operating condition.
3. When the hydrogen pressure of pipeline transport behind the stop valve device is less than the rated value (after atmospheric pressure loses pressure suddenly promptly), or when the pipeline is collided or the force of inequality destroys, hydrogen descends in the pipeline rapidly, and elastomeric element resets work rapidly this moment, and the quick self-truncation of the valve core seat of the inside of disk seat is closed, cuts the gas circuit of hydrogen pipeline, makes the hydrogen supply of the subsequent pipeline of valve body cut off, prevents that hydrogen from continuously revealing and causing bigger harm.
4. The valve core connecting rod slides relative to the two packing rings, the valve body assemblies at two positions slide relative to the moving valve assembly in combination with the inner wall of the first valve body, and the moving valve assembly is not easy to generate an eccentric condition in the second vent channel.
5. Whether communicate the gas leakage in order to detect this quick cut-off stop valve inside first air passage and the second air passage, check sealing member's sealing performance simultaneously, near the gaseous detection mouth can install fixed check out test set and carry out the detection of gas leakage.
6. When the hydrogen is decompressed, the movable valve block slides downwards to touch the action trigger head of the valve action alarm, a signal of the valve body which is quickly cut off is transmitted to the action alarm controller, and the controller further transmits the signal to a user side or informs an operator to deal with the problem on site.
Drawings
FIG. 1 is a general schematic diagram according to an embodiment of the invention.
FIG. 2 is a detailed schematic view of a valve seat according to an embodiment of the invention.
Fig. 3 is a detailed schematic view of a valve housing assembly according to an embodiment of the present invention.
FIG. 4 is a detailed schematic view of a moving valve assembly according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a practical application scenario of the quick-cut-off valve according to the embodiment of the present invention.
Detailed Description
The conception, the specific structure and the technical effects of the present invention will be clearly and completely described in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the schemes and the effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the descriptions of upper, lower, left, right, top, bottom, etc. used in the present invention are only relative to the positional relationship of the components of the present invention with respect to each other in the drawings.
Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element of the same type from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present disclosure.
Referring to fig. 1-4, in some embodiments, the present invention discloses a quick disconnect shut-off valve comprising: valve seat 100, valve housing assembly 200, transfer valve assembly 300, first activation conduit 400, second activation conduit 500, valve actuation alarm 600, and seal 700.
Referring to the valve seat 100 of fig. 1, a first air passage 110 is formed in the middle of the valve seat 100, and an inlet passage 120 and an outlet passage 130 communicated with the first air passage 110 are respectively formed at two sides of the valve seat 100. The inlet channel 120 and the outlet channel 130 are respectively communicated with two ends of a pipeline for conveying hydrogen, the inlet channel 120 inputs the hydrogen in the pipeline, and the outlet channel 130 outputs the hydrogen to the other side of the pipeline.
Referring to fig. 1 in conjunction with fig. 3, a valve housing assembly 200 is fixed to the top of the valve seat 100, and a second vent passage 210 is formed inside the valve housing assembly 200.
Referring to fig. 4 in conjunction with fig. 1, the moving valve assembly 300 slides inside the second vent passage 210. The moving valve assembly 300 includes an elastic member 310 disposed at the top, and a sealing member 320 is fitted around the middle of the moving valve assembly 300. The entire assembly of the moving valve assembly 300 is a cylindrical assembly, and performs a sliding operation inside the second vent passage 210.
With continued reference to fig. 1, a first activation conduit 400 is connected between the valve seat 100 and the valve housing assembly 200. Both ends of the first starting pipe 400 are respectively communicated with the second vent passage 210 and the air inlet passage 120.
Referring to fig. 1, a first control valve 410 is installed on the first starting pipe 400. A second activation conduit 500 is also connected between the valve seat 100 and the valve housing assembly 200, and a second control valve 510 is mounted on the second activation conduit 500. The two ends of the second starting pipe 500 are respectively communicated with the second vent passage 210 and the outlet passage 130. The switching of the switch states of the two control valves can adjust whether the starting pipeline is used for conducting gas into the second gas-conducting channel.
Referring to fig. 1, the bottom end of the moving valve assembly 300 is engaged with the first air passage 110 to open or close the first air passage 110 and the second air passage 210. The top end of the elastic member 310 and the inner top wall of the second air vent passage 210 are in abutting contact with each other. The sealing member 320 is in abutting contact with the inner side wall of the valve housing assembly 200.
The quick-cut-off stop valve is a normally-closed valve, and the valve is in a closed state when not in use.
The hydrogen of the hydrogen pipeline is input into the hydrogen with rated air pressure from the air inlet channel of the stop valve device, when the stop valve is used for the first time, the second control valve is closed, the first control valve is opened, the hydrogen with rated air pressure passes through the air inlet channel and the first starting pipeline at the same time, the hydrogen is conveyed to the second air passage channel through the first control valve, and the movable valve assembly is pushed to slide upwards in the second air passage channel; meanwhile, the valve core seat is pushed open by the hydrogen under the action of the air pressure of the hydrogen, so that two sides of the first air channel are respectively communicated with the air inlet channel and the air outlet channel, the pipeline normally conveys the hydrogen, the stop valve device is communicated under the condition of normal air pressure, and the pipelines on two sides of the stop valve device normally convey the hydrogen with rated pressure; the hydrogen pressures at the two positions respectively push the valve shell assembly and the valve core seat to slide upwards, the whole valve body is compact in structure, and the valve body device is simple to open and close and is beneficial to maintenance.
After the normal work of ventilating of above-mentioned stop valve, after the first air flue of mass flow in the air flue and second air flue, import and export pressure balance back, control the stop valve through following control valve, close first control valve, open the second control valve, the stop valve device is in normally open normal operating condition.
When the hydrogen pressure of pipeline transport behind the stop valve device is less than the rated value (after atmospheric pressure loses pressure suddenly promptly), or when the pipeline is collided or the force of inequality destroys, hydrogen descends in the pipeline rapidly, and elastomeric element resets work rapidly this moment, and the quick self-truncation of the valve core seat of the inside of disk seat is closed, cuts the gas circuit of hydrogen pipeline, makes the hydrogen supply of the subsequent pipeline of valve body cut off, prevents that hydrogen from continuously revealing and causing bigger harm.
Referring to fig. 3, the valve housing assembly 200 includes a first valve housing 220 and a second valve housing 230 fixedly connected from top to bottom. The spaces inside the first and second valve housings 220 and 230 constitute the second air passage 210. The first valve body and the second valve body are fixed at the connecting position through bolts.
Referring to fig. 4, the moving valve assembly 300 includes a cartridge seat 330, a cartridge link mechanism 340, and a moving valve block 350, which are connected in series from bottom to top. The top of the movable valve block 350 is provided with a spring fixing rod 351, and the middle periphery of the movable valve block 350 is provided with a spring mounting groove. The elastic member 310 is a spring, which effectively reduces the cost of the elastic member. The spring is mounted in the spring mounting groove in a matching manner, and the spring is abutted against and contacted with the inner side wall of the second air passage 210. One end of the spring is installed to be engaged with the spring fixing rod 351, and the other end of the spring is in contact with the inner top wall of the first valve housing 220. The spring is difficult to pop out from the spring fixing rod, and the other end of the spring is also matched with the groove of the inner top wall of the first valve shell for installation.
Referring to fig. 4, the spool link mechanism 340 includes a spool link 341 and a spool 342 that are fixedly connected up and down. The outer diameter of each of the valve element connecting rod 341 and the valve element 342 is smaller than the inner diameter of the second passage inside the first valve housing 220 and the second valve housing 230, and the valve element connecting rod 341 and the valve element 342 do not slide relative to each other on the side wall inside the second passage. The top end of the valve core connecting rod 341 is fixedly connected with the bottom end of the movable valve block 350, the bottom end of the valve core 342 is fixedly connected with the top end of the valve core seat 330, and the movable valve block slides relative to the side wall in the second air passage.
Referring to fig. 3, the quick cut-off valve further includes a first packing ring 221 and a second packing ring 231. The first packing ring 221 is provided at the inner bottom end of the first valve housing 220, and the second packing ring 231 is provided at the inner bottom end of the second valve housing 230. The first packing ring 221 is fixed to an inner wall of the first valve housing 220 by a first fastening nut 222, and the second packing ring 231 is fixed to an inner wall of the second valve housing 230 by a second fastening nut 232. The first packing 221 and the second packing 231 are in contact with the outer side wall of the spool link 341, respectively. The second vent channel 210 between the bottom of the moving valve block 350 and the top of the first packing ring 221 is connected to the end of the first start pipe 400. As shown in fig. 1 and fig. 3 and 4, the valve core connecting rod slides relatively to the two packing rings, the movable valve block slides relatively to the inner wall of the first valve body, the valve body assemblies at the two positions slide relatively to the movable valve assembly, and the movable valve assembly is not easy to be eccentric in the second vent passage.
Referring to fig. 1, the first packing ring 221 and the second packing ring 231 are arranged adjacently, and the two packing rings are matched with the valve core connecting rod to act in a matching manner, so that the second air passage between the packing rings and the top of the first valve body is a sealed air passage, and hydrogen of the first starting pipeline can push the movable valve block to slide in the sealed air passage.
Referring to fig. 1, a gas detection port 233 is formed at the top of the second valve casing 230, and the gas detection port 233 communicates with the second vent passage 210. Whether communicate the gas leakage in order to detect this quick cut-off stop valve inside first air passage and the second air passage, check sealing member's sealing performance simultaneously, near the gaseous detection mouth can install fixed check out test set and carry out the detection of gas leakage.
Referring to fig. 1, a valve actuation alarm 600 is mounted on a side portion of the first valve housing 220, an actuation trigger head of the valve actuation alarm 600 is disposed on a side wall of the second air passage 210, and a control port of the valve actuation alarm 600 is electrically connected to an actuation alarm controller 610. When the hydrogen is decompressed, the movable valve block slides downwards to touch the action trigger head of the valve action alarm, a signal of the valve body which is quickly cut off is transmitted to the action alarm controller, and the controller further transmits the signal to a user side or informs an operator to deal with the problem on site.
Referring to fig. 1, a sealing ring 700 is disposed between the connection position between the valve core seat 330 and the valve seat 100, so that the sealing performance between the two is better.
Referring to fig. 2, the inlet duct 120 includes a first-stage straight passage 121 and a first-stage curved passage 122 communicating with the first-stage straight passage 121. The gas outlet channel 130 includes a second-stage straight channel 131 and a second-stage curved channel 132 communicating with the second-stage straight channel 131. One end of each of the first-stage curved passage 122 and the second-stage curved passage 132 is in communication with the first air duct 110. The tortuous channel is designed to effectively adjust the air pressure consistency of input and output of the pipeline, so that hydrogen can be stably conveyed on two sides of the valve body, and the valve core seat can stably open the opening with a specific size to stably output air pressure.
Referring to fig. 5, the quick cut-off valve described above is applied to a scenario including a quick cut-off valve 1000, a hydrogen production facility 2000, a hydrogen storage tank 3000, a first valve 4100, a second valve 4200, a hydrogen user 5000, and a hydrogen alarm line 6000. Hydrogen produced by the hydrogen production equipment is stored in a hydrogen storage tank, and an automatic control valve and a quick cut-off valve are arranged on a pipeline behind the hydrogen storage tank. When the pipeline behind the quick cut-off valve to a hydrogen user is collided or is damaged by force inefficiently, the pressure in the pipeline is quickly reduced, the quick cut-off valve is quickly closed by itself, the hydrogen storage tank is cut off to supply hydrogen, and the hydrogen is prevented from continuously leaking to cause larger harm. The quick cut-off valve is provided with an action alarm, when the quick cut-off valve acts, the alarm is sent out, and meanwhile, the valve and the user side valve are closed after the storage tank is closed, so that the safety level of the hydrogen supply side and the user side is further improved, and meanwhile, the problem that an operator goes to the site for disposal is reported.
The present invention is not limited to the above embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present disclosure should be included in the scope of the present disclosure as long as the technical effects of the present invention are achieved by the same means. Are intended to fall within the scope of the present invention. The invention is capable of other modifications and variations in its technical solution and/or its implementation, within the scope of protection of the invention.
Claims (9)
1. A quick disconnect stop valve, comprising:
the valve seat (100), a first air passage (110) is arranged in the middle of the valve seat (100), an air inlet passage (120) and an air outlet passage (130) which are communicated with the first air passage (110) are respectively arranged on two sides of the valve seat (100),
a valve housing assembly (200) fixed on the top of the valve seat (100), a second vent channel (210) is opened in the valve housing assembly (200),
a movable valve component (300) sliding in the second vent channel (210), wherein the movable valve component (300) comprises an elastic component (310) arranged at the top, a sealing component (320) is sleeved near the middle part of the movable valve component (300),
a first activation conduit (400) connecting between the valve seat (100) and the valve housing assembly (200), the first activation conduit (400) having a first control valve (410) mounted thereon,
a second activation conduit (500) connecting between the valve seat (100) and the valve housing assembly (200), the second activation conduit (500) having a second control valve (510) mounted thereon,
wherein the bottom end of the moving valve component (300) is matched with the first air passage (110) to open and communicate or close the first air passage (110) and the second air passage (210),
wherein, two ends of the first starting pipeline (400) are respectively communicated with the second vent passage (210) and the air inlet passage (120),
wherein, two ends of the second starting pipeline (500) are respectively communicated with the second vent channel (210) and the gas outlet channel (130),
wherein the top end of the elastic component (310) is mutually butted and contacted with the inner top wall of the second air vent channel (210),
and wherein the sealing member (320) is in abutting contact with an inner side wall of the valve housing assembly (200).
2. Quick disconnect shut-off valve according to claim 1,
the valve shell assembly (200) comprises a first valve shell (220) and a second valve shell (230) which are fixedly connected from top to bottom in sequence, the space inside the first valve shell (220) and the second valve shell (230) forms the second air vent channel (210),
the movable valve component (300) comprises a valve core seat (330), a valve core chain rod mechanism (340) and a movable valve block (350) which are sequentially connected from the bottom end to the top end, a spring fixing rod (351) is arranged at the top of the movable valve block (350), a spring mounting groove is arranged on the periphery of the middle part of the movable valve block (350),
the elastic component (310) is a spring,
wherein the spring is matched with the spring mounting groove, the spring is mutually abutted and contacted with the inner side wall of the second air passage (210),
and one end of the spring is matched with the spring fixing rod (351) and the other end of the spring is in abutting contact with the inner top wall of the first valve shell (220).
3. Quick shut off valve according to claim 2,
the valve core link mechanism (340) comprises a valve core connecting rod (341) and a valve core (342) which are fixedly connected up and down, the outer diameter sizes of the valve core connecting rod (341) and the valve core (342) are smaller than the inner diameter sizes of second channels in the first valve casing (220) and the second valve casing (230), the top end of the valve core connecting rod (341) is fixedly connected with the bottom end of the movable valve block (350), and the bottom end of the valve core (342) is fixedly connected with the top end of the valve core seat (330).
4. Quick disconnect shut-off valve according to claim 3,
also comprises a first packing ring (221) and a second packing ring (231),
the inner bottom end of the first valve shell (220) is provided with a circle of the first packing ring (221), the inner bottom end of the second valve shell (230) is provided with a circle of the second packing ring (231),
wherein the first packing ring (221) is fixed on an inner wall of the first valve housing (220) by a first fastening nut (222), the second packing ring (231) is fixed on an inner wall of the second valve housing (230) by a second fastening nut (232),
wherein the first packing ring (221) and the second packing ring (231) are respectively contacted with the outer side wall of the valve core connecting rod (341),
and wherein the second vent channel (210) between the bottom of the moving valve block (350) and the top of the first packing ring (221) is connected with the end of the first activation conduit (400).
5. Quick disconnect shut-off valve according to claim 4,
the first packing ring (221) is arranged adjacent to the second packing ring (231).
6. Quick shut off valve according to claim 2,
and a gas detection port (233) is formed in the top of the second valve shell (230), and the gas detection port (233) is communicated with the second vent channel (210).
7. Quick disconnect shut-off valve according to claim 1,
valve action alarm (600) are installed to the lateral part of first valve casing (220), the action trigger head setting of valve action alarm (600) is in on the lateral wall of second air vent way (210), the control port and action alarm control ware (610) electric connection of valve action alarm (600).
8. Quick disconnect shut-off valve according to claim 3,
and a sealing ring (700) is arranged between the valve core seat (330) and the connecting position between the valve seats (100).
9. Quick disconnect shut-off valve according to claim 1,
the air inlet channel (120) comprises a first-stage straight channel (121) and a first-stage curved channel (122) communicated with the first-stage straight channel (121),
the gas outlet channel (130) comprises a second-stage straight channel (131) and a second-stage curved channel (132) communicated with the second-stage straight channel (131),
wherein one end of the first-stage curved channel (122) and one end of the second-stage curved channel (132) are respectively communicated with the first air duct (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111207265.5A CN113864666B (en) | 2021-10-18 | 2021-10-18 | Quick cut-off stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111207265.5A CN113864666B (en) | 2021-10-18 | 2021-10-18 | Quick cut-off stop valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113864666A true CN113864666A (en) | 2021-12-31 |
| CN113864666B CN113864666B (en) | 2023-11-28 |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6057100A (en) * | 1983-08-10 | 1985-04-02 | スタンダ−ド、ソシエテ、アノニム | Safety device for water piping |
| CN101509567A (en) * | 2009-03-31 | 2009-08-19 | 王元清 | Gas safety cut-off valve |
| CN201487554U (en) * | 2009-08-11 | 2010-05-26 | 河北慧星调压器有限公司 | Cutting-off pressure-regulating integrated gas pressure regulator |
| CN201779321U (en) * | 2010-09-06 | 2011-03-30 | 杨叶 | High-pressure pneumatic emergency shutoff valve |
| CN102777652A (en) * | 2012-07-25 | 2012-11-14 | 欧好光电控制技术（上海）有限公司 | Civil electromagnetic type gas emergency cut-off valve containing energy storage valve closing module |
| CN103591337A (en) * | 2013-11-25 | 2014-02-19 | 江苏星河阀门有限公司 | Three-valve group of corrugated pipe instrument |
| CN104712784A (en) * | 2015-03-16 | 2015-06-17 | 张家港富瑞特种装备股份有限公司 | Low-temperature pneumatic ball valve |
| CN106382408A (en) * | 2016-12-12 | 2017-02-08 | 乐山川天燃气输配设备有限公司 | Overpressure and underpressure cutting type pressure regulator |
| CN107319788A (en) * | 2017-08-08 | 2017-11-07 | 马鞍山中安食品科技有限公司 | A kind of food vacuum cabinet |
| CN208900787U (en) * | 2018-09-12 | 2019-05-24 | 温州信言阀门有限公司 | A kind of high urgent quick cutting emergency shut-off valve of safety coefficient |
| CN112728199A (en) * | 2020-12-31 | 2021-04-30 | 安徽旭辉泵阀有限公司 | Self-operated bidirectional pneumatic quick cut-off valve |
| CN213776558U (en) * | 2020-10-15 | 2021-07-23 | 罗园园 | Natural gas valve with alarming function |
-
2021
- 2021-10-18 CN CN202111207265.5A patent/CN113864666B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6057100A (en) * | 1983-08-10 | 1985-04-02 | スタンダ−ド、ソシエテ、アノニム | Safety device for water piping |
| CN101509567A (en) * | 2009-03-31 | 2009-08-19 | 王元清 | Gas safety cut-off valve |
| CN201487554U (en) * | 2009-08-11 | 2010-05-26 | 河北慧星调压器有限公司 | Cutting-off pressure-regulating integrated gas pressure regulator |
| CN201779321U (en) * | 2010-09-06 | 2011-03-30 | 杨叶 | High-pressure pneumatic emergency shutoff valve |
| CN102777652A (en) * | 2012-07-25 | 2012-11-14 | 欧好光电控制技术（上海）有限公司 | Civil electromagnetic type gas emergency cut-off valve containing energy storage valve closing module |
| CN103591337A (en) * | 2013-11-25 | 2014-02-19 | 江苏星河阀门有限公司 | Three-valve group of corrugated pipe instrument |
| CN104712784A (en) * | 2015-03-16 | 2015-06-17 | 张家港富瑞特种装备股份有限公司 | Low-temperature pneumatic ball valve |
| CN106382408A (en) * | 2016-12-12 | 2017-02-08 | 乐山川天燃气输配设备有限公司 | Overpressure and underpressure cutting type pressure regulator |
| CN107319788A (en) * | 2017-08-08 | 2017-11-07 | 马鞍山中安食品科技有限公司 | A kind of food vacuum cabinet |
| CN208900787U (en) * | 2018-09-12 | 2019-05-24 | 温州信言阀门有限公司 | A kind of high urgent quick cutting emergency shut-off valve of safety coefficient |
| CN213776558U (en) * | 2020-10-15 | 2021-07-23 | 罗园园 | Natural gas valve with alarming function |
| CN112728199A (en) * | 2020-12-31 | 2021-04-30 | 安徽旭辉泵阀有限公司 | Self-operated bidirectional pneumatic quick cut-off valve |
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| Publication number | Publication date |
|---|---|
| CN113864666B (en) | 2023-11-28 |
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