CN106051251A - Full-automatic mechanical fireproof safety valve - Google Patents

Full-automatic mechanical fireproof safety valve Download PDF

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Publication number
CN106051251A
CN106051251A CN201610623718.5A CN201610623718A CN106051251A CN 106051251 A CN106051251 A CN 106051251A CN 201610623718 A CN201610623718 A CN 201610623718A CN 106051251 A CN106051251 A CN 106051251A
Authority
CN
China
Prior art keywords
end cap
cylinder
left end
right end
safety valve
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
CN201610623718.5A
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Chinese (zh)
Other versions
CN106051251B (en
Inventor
袁雪鹏
黄红生
蒋子庆
齐春蕾
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Qinzhou University
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Qinzhou University
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Filing date
Publication date
Application filed by Qinzhou University filed Critical Qinzhou University
Priority to CN201610623718.5A priority Critical patent/CN106051251B/en
Publication of CN106051251A publication Critical patent/CN106051251A/en
Application granted granted Critical
Publication of CN106051251B publication Critical patent/CN106051251B/en
Expired - Fee Related legal-status Critical Current
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
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/36Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
    • F16K17/38Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
    • F16K17/383Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the valve comprising fusible, softening or meltable elements, e.g. used as link, blocking element, seal, closure plug
    • 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
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/40Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
    • F16K17/406Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint the fracturing member being a generally elongated member, e.g. rod or wire, which is directly connected to a movable valve member, the breaking or buckling of the elongated member allowing the valve member to move to a closed or open position

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)

Abstract

The invention provides a full-automatic mechanical fireproof safety valve and belongs to the field of fuel gas valves. The full-automatic mechanical fireproof safety valve comprises a valve element, a left end cover, a shell, hot melting belts, a cone valve spring, a right end cover and cross rods. A cone is arranged at one end of the valve element; a cylinder is arranged at the other end of the valve element; and a round through hole is formed in the position, close to the top end, of the cylinder. A fine thread is arranged on the outer ring face of the left end cover; a gas outlet hole is formed in the middle of the left end cover; one end of the gas outlet hole is arranged to be round; and the other end of the gas outlet hole is arranged to be conical. The size of the cone at one end of the valve element is smaller than that of the conical gas outlet hole of the left end cover. Fine internal threads are arranged in the two ends of the shell, and a nesting hole is further formed in the center of one end of the shell. A fine thread is arranged on the outer ring face of the right end cover; and a gas inlet hole is formed in the middle of the right end cover. The left end cover and the right end cover are tightened at the two ends of the shell correspondingly; the cylinder at one end of the valve element penetrates the nesting hole of the shell; and the cross rods are inserted in the round through hole of the cylinder.

Description

Full automatic machinery fire-proof safety valve
Technical field
The present invention relates to burnt gas valve field, specifically relate to full automatic machinery fire-proof safety valve.
Background technology
Currently used liquid gas storage tank or fuel gas, as the automobile etc. of natural gas makes use as burning combustible gas Closing, being typically all connected to flexible pipe, if after the reason such as family or self-burning of vehicle is caught fire, working as fire generally for arranging that pipeline is convenient When gesture is relatively big or personnel close the valve that can not close gas piping the most at the scene, and disconnected in the rubber tube burning that the intensity of a fire is on-the-spot Gas leakage is caused not control after splitting, it will to cause gas to accelerate uncontrollable leakage burning, air accumulator or liquefied gas Bottle possibly even can occur the danger of blast, and consequence is by hardly imaginable.So, if can be in time without personnel or need people to go Automatic closing gas safety valve door in the case of gas valve and fire extinguishing are closed in operation, for gas storage such as protection liquid gas storage tanks Bottle, stops the aggravation of burning to have huge effect, can reduce or avoid simultaneously the injury of person property, therefore have more significantly Marketing prospect of the application.
The safety devices against fires such as existing relief valve are usually equipped with sealing ring and baroque feature, and use cost is high, The safest, melt the most in high temperature environments especially with rubber seal or burn and relief valve is lost The fire prevention anti-leak effect of safety.And cannot use after losing efficacy due to self reason or used once, the cost of use Higher.
Authorization Notice No. is that the patent of CN200965085Y discloses a kind of fire-proof safety valve being automatically switched off pipeline, valve Core one end compression spring, other end hot melt part supports, and after hot melt part is heated thawing, spool is ejected blocking and gives vent to anger by spring Hole, reaches to be automatically switched off the effect of pipeline.Owing to hot melt part is not arranged in breather, when occurring on fire in breather, Needing valve body heat conduction, impart heat to hot melt part, hot melt part melts words and just can carry out closing pipeline, when this usually needs certain Between, therefore effect is bad.Due to pipeline on fire time, fire spreading can quickly, the most above-mentioned a kind of pipeline that is automatically switched off Fire safety valve performance is bad, it is impossible to play good fireproof effect.
Application publication number is that the patent of CN102537457A discloses fire-proof safety valve, valve body, switch valve, thimble, joint, Spring, steel ball, spring and "○" RunddichtringO are constituted, and it has a following not foot point: one, use joint as burning, due to Joint thickness is relatively big, and needing to absorb substantial amounts of heat could melt, and its record be burn after just can be automatically switched off passage, therefore Need the response time grown very much;Its two, use sealing ring both know about sealing ring usually make as sealing device, those skilled in the art Make of rubber, used rubber seal to melt the most in high temperature environments or burnt and that relief valve is lost is safe Fire prevention anti-leak effect, and lost efficacy due to self reason or cannot use after using once, use relatively costly.
Summary of the invention
The deficiency existed for above-mentioned prior art, the present invention provides full automatic machinery fire-proof safety valve.
The present invention solves the problems referred to above by the following technical programs:
Full automatic machinery fire-proof safety valve, including spool, left end cap, housing, hot melt strip, cone valve spring, right end cap and Cross bar;
Spool one end is cone, and the other end is cylinder, and on cylinder, proximal portion has a manhole;Left end cap outer shroud Face is provided with fine thread, is provided with venthole in the middle of left end cap, and venthole one end is provided in round, and the other end is set to cone Shape;The cone size of spool one end is less than the taper venthole of left end cap;Housing two ends are internally provided with closely-pitched female thread, one end Center be additionally provided with nested hole;Right end cap outer ring surface is provided with fine thread, and centre is provided with air inlet;
Left end cap and right end cap are tightened in the two ends of housing respectively;Spool one end cylinder is through the nested hole of housing;Cylinder Manhole insert cross bar;Cross bar two ends are all tied with hot melt strip, and the hot melt strip other end is connected with right end cap;Cylinder top is passed through Compression cone valve spring is connected on right end cap;Valve core cone end is containing in the circular venthole being enclosed within left end cap.
In such scheme, preferably hot melt strip is vinyon band.
In such scheme, preferably front end, left end cap gas outlet is set to minor diameter cylindrical, is connected with minor diameter cylindrical It is square structure that place is set to bigger step.
In such scheme, preferably right end cap air inlet front end is set to minor diameter cylindrical, is connected with minor diameter cylindrical It is square structure that place is set to bigger step.
In such scheme, preferably right end cap is internally provided with two ring for fixings, is provided with spring between two ring for fixings Seat, two ring for fixings are connected with hot melt strip;Spring base is connected with spring.
In such scheme, the preferably big 3-6mm of external diameter of nested boring ratio spool (1) cylinder on housing.
Advantages of the present invention with effect is:
1, the present invention is by being arranged on hot melt strip in breather, so that when fire accident occurs, hot melt strip meeting Very first time induction heat and fuse, the response time is fast, can quick closure trachea soon, compared with existing fire-proof safety valve There is better flameproof effect;
2, further, the present invention without caulking gum, will not melt the most in high temperature environments due to rubber seal or Person is burnt and is made relief valve lose safe fire prevention anti-leak effect;
3, the present invention does not occur under more serious actual effect and breakage at cone valve spring and entirety, owing to self is former Because only needing the hot melt strip changing a low cost just can reuse after losing efficacy or using once, the cost of use is relatively low.
Accompanying drawing explanation
Fig. 1 is the structural representation of normal ventilation of the present invention;
Fig. 2 is the structural representation that the present invention closes pipeline.
Label in figure: 1 spool, 2 left end caps, 3 housings, 4 hot melt strip, 5 cone valve springs, 6 right end caps, 7 cross bars.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Full automatic machinery fire-proof safety valve, as it is shown in figure 1, include spool 1, left end cap 2, housing 3, hot melt strip 4, cone valve Spring 5, right end cap 6 and cross bar 7.In order to improve the safety of relief valve and being used for multiple times property, spool 1, left end cap 2, housing 3, Cone valve spring 5, right end cap 6 and cross bar 7 all use metal material to make, and hot melt strip 4 is made for the instant material of heat, in this incidence of criminal offenses Preferably use vinyon band.
Housing 3 two ends are internally provided with closely-pitched female thread, and the center of one end is additionally provided with nested hole.Housing 3 be square or Cylinder, it is circle that two ends are internally provided with the inwall of closely-pitched female thread, as shown in Figure 1.
Left end cap 2 outer ring surface is provided with in the middle of fine thread, left end cap 2 and is provided with venthole, and venthole one end is set to Circle, the other end is set to taper.Front end, left end cap 2 gas outlet is set to minor diameter cylindrical, sets with minor diameter cylindrical junction Being set to bigger step is square structure, and minor diameter cylindrical is used for connecing external hose.Left end cap 2 is tightened in shell by fine thread Body 3 is provided with on the closely-pitched female thread of nested nose end so that it is is formed and seals.Can also be at the closely-pitched female thread anti-fistulae of attached last layer Road thread seal tape so that it is sealing further ensured.Can use adjustable wrench twisting square structure thus Right end cap 6 is tightened on housing 3, as shown in Figure 1.
Right end cap 6 outer ring surface is provided with fine thread, and centre is provided with air inlet.Right end cap 6 is tightened by fine thread On the other end closely-pitched female thread of housing 3, formed and seal.Right end cap 6 is internally provided with the boss structure of spring, is used for connecting One end of cone valve spring 5.Right end cap 6 air inlet front end is set to minor diameter cylindrical, is set to relatively with minor diameter cylindrical junction Big step is square structure.Can also be at closely-pitched female thread attached last layer leakproof pipeline thread band so that it is sealing Further ensured.Can use adjustable wrench twisting square structure thus right end cap 6 be tightened on housing 3, such as Fig. 1 Shown in.
Spool 1 one end is cone, and the other end is cylinder, and cylinder has a manhole close to top end, circular logical Screw thread it is provided with in hole.Spool 1 one end cylinder is through the nested hole of housing 3.The manhole of cylinder inserts cross bar 7, in cross bar 7 Between position be provided with female thread, when cross bar 7 is put in manhole, the screw thread in manhole is tightened with the female thread of cross bar 7. Cross bar 7 two ends are all tied with hot melt strip 4, and hot melt strip 4 other end is connected with right end cap 6.Cylinder top is by compression cone valve spring 5 even Receive on the spring base of right end cap 6.Spool 1 cone segments is containing in the circular venthole being enclosed within left end cap 2.After hot melt strip 4 disconnects, Cone valve spring 5 extends, and the gas outlet of the taper that spool 1 cone can be stuck in left end cap 2 goes out, and is formed and seals, reaches to be automatically switched off The effect of pipeline.The big 3-6mm of external diameter of nested boring ratio spool 1 cylinder on housing 3, is possible to prevent housing to be heated stuck spool post Body and cannot move.The cone size of spool 1 one end is less than the taper venthole of left end cap 2, as shown in Figure 1.
When hot melt strip 4 is heated less than 100 degree, i.e. there is no breaking out of fire or during by high temperature, 4 spools of two hot melt strip 1 tension, can be cone valve spring-compressed in certain position at right end cap 6, and spool 1 conical section disconnects with the conical seat of end cap Contact, gas can circulate, and arranged at safety valve is in normal operating conditions.
When hot melt strip 4 is heated above 100 degree, melted by heat, the cone valve spring of compression does not has hot melt strip 4 on spool 1 top Promote spool to be moved to the left in the case of stretching valve seat is blocked, such that it is able to stop the leakage of gas, cut off burning things which may cause a fire disaster, such as Fig. 2 Shown in.
Below preferred embodiment to the invention is illustrated, but the present invention is not limited to embodiment, Those of ordinary skill in the art can also make the modification of all equivalents on the premise of the invention spirit Or replace, modification or the replacement of these equivalents are all contained in scope of the present application.

Claims (6)

  1. The most full automatic machinery fire-proof safety valve, it is characterised in that: include spool (1), left end cap (2), housing (3), hot melt strip (4), cone valve spring (5), right end cap (6) and cross bar (7);
    Spool (1) one end is cone, and the other end is cylinder, and on cylinder, proximal portion has a manhole;Left end cap (2) is outward Anchor ring is provided with in the middle of fine thread, left end cap (2) and is provided with venthole, and venthole one end is provided in round, and the other end is arranged For taper;The cone size of spool (1) one end is less than the taper venthole of left end cap (2);Housing (3) two ends are internally provided with carefully Tooth female thread, the center of one end is additionally provided with nested hole;Right end cap (6) outer ring surface is provided with fine thread, centre be provided with into Pore;
    Left end cap (2) and right end cap (6) are tightened in the two ends of housing (3) respectively;Spool (1) one end cylinder is through housing (3) Nested hole;The manhole of cylinder inserts cross bar (7);Cross bar (7) two ends are all tied with hot melt strip (4), hot melt strip (4) other end with Right end cap (6) connects;Cylinder top is connected on right end cap (6) by compression cone valve spring (5);Spool (1) cone segments is containing set In the circular venthole of left end cap (2).
  2. Full automatic machinery fire-proof safety valve the most according to claim 1, it is characterised in that: described hot melt strip (4) is poly- Vinyl plastics band.
  3. Full automatic machinery fire-proof safety valve the most according to claim 1, it is characterised in that: described left end cap (2) is given vent to anger Mouth front end is set to minor diameter cylindrical, and being set to bigger step with minor diameter cylindrical junction is square structure.
  4. Full automatic machinery fire-proof safety valve the most according to claim 1, it is characterised in that: described right end cap (6) air inlet Mouth front end is set to minor diameter cylindrical, and being set to bigger step with minor diameter cylindrical junction is square structure.
  5. Full automatic machinery fire-proof safety valve the most according to claim 4, it is characterised in that: described right end cap (6) is internal Being provided with two ring for fixings, be provided with spring base between two ring for fixings, two ring for fixings are connected with hot melt strip (4);Spring base with Spring connects.
  6. Full automatic machinery fire-proof safety valve the most according to claim 1, it is characterised in that: embedding on described housing (3) The big 3-6mm of external diameter of set boring ratio spool (1) cylinder.
CN201610623718.5A 2016-07-29 2016-07-29 Full automatic machinery fire-proof safety valve Expired - Fee Related CN106051251B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610623718.5A CN106051251B (en) 2016-07-29 2016-07-29 Full automatic machinery fire-proof safety valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610623718.5A CN106051251B (en) 2016-07-29 2016-07-29 Full automatic machinery fire-proof safety valve

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CN106051251A true CN106051251A (en) 2016-10-26
CN106051251B CN106051251B (en) 2018-08-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113464698A (en) * 2020-03-31 2021-10-01 株式会社大陆制罐 Flow choking safety valve for preventing portable gas storage tank from exploding

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE805424A (en) * 1972-09-30 1974-01-16 Trox Gmbh Geb VENTILATION CHANNEL BLOCKING DEVICE FOR FIRE-FIGHTING SECTIONS IN BUILDINGS
CN2048924U (en) * 1989-01-23 1989-12-06 广州市消防科学技术研究所 Fire insulation valve for household piped gas
DE19532289C1 (en) * 1995-09-01 1997-02-06 Schlumberger Rombach Gmbh Gas appliance
CN2510694Y (en) * 2001-12-20 2002-09-11 刘新华 Automatic closing valve
CN204403497U (en) * 2014-12-25 2015-06-17 徐燕 A kind of tempering stops valve
CN204985905U (en) * 2015-08-29 2016-01-20 陈樵 Automatic temperature -sensing valve of mechanical type
CN105508679A (en) * 2015-12-31 2016-04-20 魏洁 Automatic fire valve applied to flammable gas plastic pipeline
CN205261652U (en) * 2015-12-31 2016-05-25 界首市菁华科技信息咨询服务有限公司 Be used in automation in pipeline valve of preventing fires

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE805424A (en) * 1972-09-30 1974-01-16 Trox Gmbh Geb VENTILATION CHANNEL BLOCKING DEVICE FOR FIRE-FIGHTING SECTIONS IN BUILDINGS
CN2048924U (en) * 1989-01-23 1989-12-06 广州市消防科学技术研究所 Fire insulation valve for household piped gas
DE19532289C1 (en) * 1995-09-01 1997-02-06 Schlumberger Rombach Gmbh Gas appliance
CN2510694Y (en) * 2001-12-20 2002-09-11 刘新华 Automatic closing valve
CN204403497U (en) * 2014-12-25 2015-06-17 徐燕 A kind of tempering stops valve
CN204985905U (en) * 2015-08-29 2016-01-20 陈樵 Automatic temperature -sensing valve of mechanical type
CN105508679A (en) * 2015-12-31 2016-04-20 魏洁 Automatic fire valve applied to flammable gas plastic pipeline
CN205261652U (en) * 2015-12-31 2016-05-25 界首市菁华科技信息咨询服务有限公司 Be used in automation in pipeline valve of preventing fires

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113464698A (en) * 2020-03-31 2021-10-01 株式会社大陆制罐 Flow choking safety valve for preventing portable gas storage tank from exploding

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Granted publication date: 20180810

Termination date: 20190729