CN106051251B - Full automatic machinery fire-proof safety valve - Google Patents
Full automatic machinery fire-proof safety valve Download PDFInfo
- Publication number
- CN106051251B CN106051251B CN201610623718.5A CN201610623718A CN106051251B CN 106051251 B CN106051251 B CN 106051251B CN 201610623718 A CN201610623718 A CN 201610623718A CN 106051251 B CN106051251 B CN 106051251B
- Authority
- CN
- China
- Prior art keywords
- end cap
- spool
- left end
- shell
- cylinder
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
- F16K17/383—Safety 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
-
- 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
- F16K17/40—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
- F16K17/406—Safety 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 present invention provides full automatic mechanical fire-proof safety valve, belongs to burnt gas valve field, including spool, left end cap, shell, hot melt strip, cone valve spring, right end cap and cross bar.Spool one end is cone, and the other end is cylinder, and proximal portion opens that there are one circular through holes on cylinder;Left end cap outer ring surface is provided with fine thread, and venthole is provided among left end cap, and venthole one end is provided in round, and the other end is set as taper.The cone size of spool one end is smaller than the taper venthole of left end cap;Shell both ends are internally provided with closely-pitched internal thread, and the center of one end is additionally provided with nested hole;Right end cap outer ring surface is provided with fine thread, and centre is provided with air admission hole.Left end cap and right end cap are tightened in the both ends of shell respectively;Spool one end cylinder passes through the nested hole of shell;The circular through hole of cylinder is inserted into cross bar.
Description
Technical field
The present invention relates to burnt gas valve fields, are specifically to be related to full automatic mechanical fire-proof safety valve.
Background technology
Liquid gas storage tank or fuel gas used at present, such as the automobile of natural gas use field as burning combustible gas
It closes, convenient generally for arrangement pipeline is typically all to be connected to hose, if after the reasons such as family or self-burning of vehicle are caught fire, works as fire
Gesture is larger or personnel do not close when cannot close the valve of gas piping at the scene, and breaks in the burning of the rubber tube at intensity of a fire scene
Cause gas leakage that cannot control after splitting, it will gas is caused to accelerate uncontrollable leakage burning, air accumulator or liquefied gas
The danger that bottle can possibly even explode, consequence will be hardly imaginable.So if in no personnel or people can be needed to go in time
Automatic closing gas safety valve door in the case that gas valve and fire extinguishing are closed in operation, for gas storage such as protection liquid gas storage tanks
Bottle prevents the aggravation of burning from having huge effect, while can reduce or avoid the injury of personal property, therefore has more significantly
Marketing prospect of the application.
The safety devices against fires such as existing safety valve are usually equipped with sealing ring and complicated feature, and use cost is high,
It is not safe enough, it is easy fusing under high temperature environment especially with rubber seal or burns and safety valve is lost
The fire prevention anti-leak effect of safety.And it cannot be used due to self reason failure or after using once, the cost used
It is higher.
Authorization Notice No. is that the patent of CN200965085Y discloses a kind of fire-proof safety valve that pipeline is automatically closed, valve
Core one end compressed spring, the other end are supported with hot melt part, and after hot melt part is heated to be melted, spool is popped up and blocks outlet by spring
Hole achievees the effect that pipeline is automatically closed.Since hot melt part is not arranged in snorkel, when occurring on fire in snorkel,
Valve body heat conduction is needed, imparts heat to hot melt part, hot melt part, which melts words, could carry out closing pipeline, when this usually needs certain
Between, therefore effect is bad.When on fire due to pipeline, fire spreading can quickly, therefore a kind of above-mentioned pipeline that is automatically closed
Fire safety valve performance is bad, cannot play good fireproof effect.
Application publication number is that the patent of CN102537457A discloses fire-proof safety valve, valve body, switch valve, thimble, connector,
Spring, steel ball, spring and "○" type sealing ring are constituted, it has the following deficiencies a little:First, using connector as burning, due to
Joint thickness is larger, and needing to absorb a large amount of heat could melt, and its record is that channel can just be automatically closed after burning, therefore
Need the reaction time grown very much;Second, using sealing ring as sealing device, it is usually to make that those skilled in the art, which both know about sealing ring,
It is made of rubber, it is safe so that safety valve loses of the easy fusing under high temperature environment of rubber seal or burning
Anti-leak of preventing fires effect, and cannot be used due to self reason failure or after using once, the cost used is higher.
Invention content
In view of the deficiency of the prior art, the present invention provides full automatic mechanical fire-proof safety valve.
The present invention solves the above problems by the following technical programs:
It is full automatic machinery fire-proof safety valve, including spool, left end cap, shell, hot melt strip, cone valve spring, right end cap and
Cross bar;
Spool one end is cone, and the other end is cylinder, and proximal portion opens that there are one circular through holes on cylinder;Left end cap outer shroud
Face is provided with fine thread, and venthole is provided among left end cap, and venthole one end is provided in round, and the other end is set as boring
Shape;The cone size of spool one end is smaller than the taper venthole of left end cap;Shell both ends are internally provided with closely-pitched internal 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 admission hole;
Left end cap and right end cap are tightened in the both ends of shell respectively;Spool one end cylinder passes through the nested hole of shell;Cylinder
Circular through hole be inserted into cross bar;Cross bar both ends are tied with hot melt strip, and the hot melt strip other end is connect with right end cap;Cylinder top passes through
Compression cone valve spring is connected on right end cap;Valve core cone end, which contains, to be sleeved in the round venthole of left end cap.
In said program, preferably hot melt strip is vinyon band.
In said program, preferably left end cap gas outlet front end is set as minor diameter outer circle, is connect with minor diameter outer circle
It is rectangular structure that place, which is set as larger step,.
In said program, preferably right end cap air inlet front end is set as minor diameter outer circle, is connect with minor diameter outer circle
It is rectangular structure that place, which is set as larger step,.
In said program, preferably right end cap is internally provided with two retainer plates, and spring is provided between two retainer plates
Seat, two retainer plates and hot melt band connection;Spring base is connect with spring.
In said program, the big 3-6mm of outer diameter of nested boring ratio spool (1) cylinder preferably on shell.
Advantages of the present invention is with effect:
1, of the invention by the way that hot melt strip is arranged in snorkel, so that when there is fire accident, hot melt strip meeting
First time induction heat and fuse, the reaction time is fast, can fast quick closure tracheae, compared with existing fire-proof safety valve
With better flameproof effect;
2, further, the present invention without caulking gum, will not be easy due to rubber seal fusing under high temperature environment or
Person burns and safety valve is made to lose safe fire prevention anti-leak effect;
3, the present invention is under cone valve spring and the whole actual effect and breakage more serious without generation, due to itself original
It can be reused because only needing to change an inexpensive hot melt strip after failing or used once, the cost used is relatively low.
Description of the drawings
Fig. 1 is the structural schematic diagram of normal ventilation of the present invention;
Fig. 2 is the structural schematic diagram that the present invention closes pipeline.
Figure label:1 spool, 2 left end caps, 3 shells, 4 hot melt strip, 5 cone valve springs, 6 right end caps, 7 cross bars.
Specific implementation mode
The invention will be further described with reference to embodiments.
Full automatic machinery fire-proof safety valve, as shown in Figure 1, including spool 1, left end cap 2, shell 3, hot melt strip 4, cone valve
Spring 5, right end cap 6 and cross bar 7.For the safety for improving safety valve and being used for multiple times property, spool 1, left end cap 2, shell 3,
Cone valve spring 5, right end cap 6 and cross bar 7 are made using metal material, and hot melt strip 4 is made of the instant material of heat, in this incidence of criminal offenses
Preferably use vinyon band.
3 both ends of shell are internally provided with closely-pitched internal thread, and the center of one end is additionally provided with nested hole.Shell 3 be it is rectangular or
Cylinder, the inner wall that both ends are internally provided with closely-pitched internal thread are circle, as shown in Figure 1.
2 outer ring surface of left end cap is provided with fine thread, and venthole is provided among left end cap 2, and venthole one end is set as
Circle, the other end are set as taper.2 gas outlet front end of left end cap is set as minor diameter outer circle, is set with minor diameter outer circle junction
It is rectangular structure to be set to larger step, and minor diameter outer circle is for connecing external hose.Left end cap 2 is tightened in shell by fine thread
Body 3 is provided on the closely-pitched internal thread of nested nose end, forms it into sealing.It can also be in the anti-fistulae of the attached last layer of closely-pitched internal thread
Road thread seal tape makes its leakproofness further be ensured.Can use monkey wrench twisting square structure to
Right end cap 6 is tightened on shell 3, as shown in Figure 1.
6 outer ring surface of right end cap is provided with fine thread, and centre is provided with air admission hole.Right end cap 6 is tightened by fine thread
On the other end closely-pitched internal thread of shell 3, sealing is formed.Right end cap 6 is internally provided with the boss structure of spring, for connecting
One end of cone valve spring 5.6 air inlet front end of right end cap is set as minor diameter outer circle, with minor diameter outer circle junction be set as compared with
Big step is rectangular structure.It can also make its leakproofness in the attached last layer leakproof pipeline thread band of closely-pitched internal thread
Further ensured.Monkey wrench twisting square structure can be used to which right end cap 6 is tightened on shell 3, such as Fig. 1
It is shown.
1 one end of spool is cone, and the other end is cylinder, is opened close to top end there are one circular through hole on cylinder, circle is logical
Screw thread is provided in hole.1 one end cylinder of spool passes through the nested hole of shell 3.The circular through hole of cylinder is inserted into cross bar 7, in cross bar 7
Between position be provided with internal thread, the internal thread of screw thread and cross bar 7 when cross bar 7 is put into circular through hole in circular through hole is tightened.
7 both ends of cross bar are tied with hot melt strip 4, and 4 other end of hot melt strip is connect with right end cap 6.Cylinder top is connected by compressing cone valve spring 5
It is connected on the spring base of right end cap 6.1 cone segments of spool, which contain, to be sleeved in the round venthole of left end cap 2.After the disconnection of hot melt strip 4,
Cone valve spring 5 extends, and the gas outlet for the taper that 1 cone of spool is stuck in left end cap 2 can be gone out, and forms sealing, reaches and be automatically closed
The effect of pipeline.The big 3-6mm of outer diameter of nested 1 cylinder of boring ratio spool on shell 3 can prevent shell to be heated stuck spool column
Body and can not move.The cone size of 1 one end of spool is smaller than the taper venthole of left end cap 2, as shown in Figure 1.
Hot melt strip 4 is heated when being no more than 100 degree, i.e., without fire occurring or when by high temperature, two hot melt strip 4 are spool
1 tenses in right end cap 6, cone valve spring can be compressed in certain position, the conical seat disconnection of 1 conical section of spool and 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, the cone valve spring of melted by heat, compression does not have hot melt strip 4 on 1 top of spool
It pushes spool to be moved to the left in the case of stretching to block valve seat, so as to prevent the leakage of gas, cuts off burning things which may cause a fire disaster, such as Fig. 2
It is shown.
The preferred embodiment of the invention is illustrated above, but the present invention is not limited to embodiment,
Those skilled in the art can also make various equivalent modifications under the premise of without prejudice to the invention spirit
Or replace, these equivalent modifications or replacement are all contained in scope of the present application.
Claims (5)
1. full automatic machinery fire-proof safety valve, it is characterised in that:Including spool (1), left end cap (2), shell (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 proximal portion opens that there are one circular through holes on cylinder;Left end cap (2) is outside
Anchor ring is provided with fine thread, and venthole is provided among left end cap (2), and venthole one end is provided in round, other end setting
For taper;The cone size of spool (1) one end is smaller than the taper venthole of left end cap (2);Shell (3) both ends are internally provided with carefully
The center of tooth internal thread, 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
Stomata;
Left end cap (2) and right end cap (6) are tightened in the both ends of shell (3) respectively;Spool (1) one end cylinder passes through shell (3)
Nested hole;The circular through hole of cylinder is inserted into cross bar (7);Cross bar (7) both ends are tied with hot melt strip (4), hot melt strip (4) other end with
Right end cap (6) connects;Cylinder top is connected to by compressing cone valve spring (5) on right end cap (6);Spool (1) cone segments are containing set
In the round venthole of left end cap (2);
The right end cap (6) is internally provided with two retainer plates, and spring base, two retainer plates and heat are provided between two retainer plates
Molten band (4) connects;Spring base is connect with spring.
2. full automatic mechanical fire-proof safety valve according to claim 1, it is characterised in that:The hot melt strip (4) is poly-
Vinyl plastics band.
3. full automatic mechanical fire-proof safety valve according to claim 1, it is characterised in that:Left end cap (2) outlet
Mouth front end is set as minor diameter outer circle, and it is rectangular structure to be set as larger step with minor diameter outer circle junction.
4. full automatic mechanical fire-proof safety valve according to claim 1, it is characterised in that:Right end cap (6) air inlet
Mouth front end is set as minor diameter outer circle, and it is rectangular structure to be set as larger step with minor diameter outer circle junction.
5. full automatic mechanical fire-proof safety valve according to claim 1, it is characterised in that:It is embedding on the shell (3)
Cover the big 3-6mm of outer diameter of boring ratio spool (1) cylinder.
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 |
Publications (2)
Publication Number | Publication Date |
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CN106051251A CN106051251A (en) | 2016-10-26 |
CN106051251B true CN106051251B (en) | 2018-08-10 |
Family
ID=57196016
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Application Number | Title | Priority Date | Filing Date |
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CN201610623718.5A Expired - Fee Related CN106051251B (en) | 2016-07-29 | 2016-07-29 | Full automatic machinery fire-proof safety valve |
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CN (1) | CN106051251B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102142468B1 (en) * | 2020-03-31 | 2020-08-07 | 주식회사 대륙제관 | Flow-blocking safety valve for explosion protection of portable gas container |
Citations (8)
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 |
-
2016
- 2016-07-29 CN CN201610623718.5A patent/CN106051251B/en not_active Expired - Fee Related
Patent Citations (8)
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 |
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Publication number | Publication date |
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CN106051251A (en) | 2016-10-26 |
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Granted publication date: 20180810 Termination date: 20190729 |