CN106015681B - Reused machinery fire-proof safety valve - Google Patents
Reused machinery fire-proof safety valve Download PDFInfo
- Publication number
- CN106015681B CN106015681B CN201610620324.4A CN201610620324A CN106015681B CN 106015681 B CN106015681 B CN 106015681B CN 201610620324 A CN201610620324 A CN 201610620324A CN 106015681 B CN106015681 B CN 106015681B
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- CN
- China
- Prior art keywords
- end cap
- hole
- spool
- cylinder
- shell
- 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
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The present invention provides reused mechanical fire-proof safety valve, belongs to burnt gas valve field, including spool, left end cap, shell, hot melt stick, cone valve spring and right end cap.Spool one end is cone, and the other end is cylinder, is opened on cylinder there are one circular through hole；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 hot melt stick and is stuck in nested outer end of hole by heating stick.
Description
Technical field
The present invention relates to burnt gas valve fields, are specifically to be related to reused 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 reused mechanical fire-proof safety valve.
The present invention solves the above problems by the following technical programs：
Reused machinery fire-proof safety valve, including spool, left end cap, shell, hot melt stick, cone valve spring and right end
Lid；
Spool one end is cone, and the other end is cylinder, is opened on cylinder there are one circular through hole；Left end cap outer ring surface is provided with
Fine thread is provided with venthole among left end cap, and venthole one end is provided in round, and the other end is set as taper；Spool one
The cone size at 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 also
It is 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 hot melt stick and by heat stick be stuck in nested outer end of hole；Cylinder top is connected to by compressing cone valve spring
On the spring base of right end cap；Valve core cone end, which contains, to be sleeved in the round venthole of left end cap.
In said program, it is vinyon stick preferably to heat stick.
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, the big 3-6mm of outer diameter of the nested boring ratio spool cylinder preferably on shell.
Advantages of the present invention is with effect：
1, the present invention, so that when there is fire accident, heats stick meeting by the way that hot melt stick is arranged in snorkel
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 stick 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 sticks, 5 cone valve springs, 6 right end caps.
Specific implementation mode
The invention will be further described with reference to embodiments.
It is reused machinery fire-proof safety valve, as shown in Figure 1, including spool 1, left end cap 2, shell 3, hot melt stick 4,
Cone valve spring 5 and right end cap 6.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 and right end cap 6 are made using metal material, and hot melt stick 4 is made by meeting the molten material of volume flow rate, is preferably made in this incidence of criminal offenses
With vinyon stick.
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.Left end cap 2 is tightened in shell 3 by fine thread and is provided in the closely-pitched of nested nose end
On screw thread, sealing is formed it into.In the attached last layer leakproof pipeline thread band of closely-pitched internal thread, its leakproofness is made to obtain more
It is further to ensure.Monkey wrench twisting square structure can be used to which 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.In the attached last layer leakproof pipeline thread band of closely-pitched internal thread, its leakproofness is made to obtain more
It is further to ensure.Monkey wrench twisting square structure can be used to which right end cap 6 is tightened on shell 3, as shown in Figure 1.
1 one end of spool is cone, and the other end is cylinder, is opened on cylinder there are one circular through hole.1 one end cylinder of spool passes through
The nested hole of shell 3.The circular through hole of cylinder is inserted into hot melt stick 4 and is stuck in nested outer end of hole by heating stick 4.Cylinder top is logical
Overcompression cone valve spring 5 is connected on the spring base of right end cap 6.1 cone segments of spool contain the round venthole for being sleeved on left end cap 2
It is interior.After hot melt stick 4 disconnects, cone valve spring 5 extends, and 1 cone of spool can be fitted tightly over the gas outlet of the taper of left end cap 2
Go out, forms sealing, have the function that pipeline is automatically closed.The big 3-6mm of outer diameter of nested 1 cylinder of boring ratio spool on shell 3, can
It can not be moved with preventing shell to be heated stuck spool cylinder.Taper venthole of the cone size of 1 one end of spool than left end cap 2
It is small, as shown in Figure 1.
When heating that stick 4 is heated to be no more than 100 degree, i.e., without fire occurring or when by high temperature, hot melt 4 intact interference of stick is matched
It closes in the circular hole of spool, cone valve spring can be compressed in certain position, the taper of spool conical section and end cap
Seat disconnects contact, and gas can circulate, and arranged at safety valve is in normal operating conditions.
When hot melt stick 4 is heated above 100 degree, melted by heat, the cone valve spring of compression is surveyed in spool to be stopped without hot melt stick 4
In the case of push spool to be moved to the left valve seat is blocked, so as to prevent the leakage of gas, cut off burning things which may cause a fire disaster, as shown in Figure 2.
After fire occurs, can directly it be used again after reinstalling hot melt stick 4, having can be with nonexpondable effect.
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 (4)
1. reused machinery fire-proof safety valve, it is characterised in that：Including spool (1), left end cap (2), shell (3), heat
Molten stick (4), cone valve spring (5) and right end cap (6)；
Spool (1) one end is cone, and the other end is cylinder, is opened on cylinder there are one circular through hole；Left end cap (2) outer ring surface is arranged
There is fine thread, is provided with venthole among left end cap (2), venthole one end is provided in round, and the other end is set as taper；Valve
The cone size of core (1) one end is smaller than the taper venthole of left end cap (2)；Shell (3) both ends are internally provided with closely-pitched internal thread,
The center of one end is additionally provided with nested hole；Right end cap (6) outer ring surface is provided with fine thread, and centre is provided with air admission hole；
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 hot melt stick (4) and is stuck in nested outer end of hole by heating stick (4)；Cylinder top passes through
Compression cone valve spring (5) is connected on the spring base of right end cap (6)；Spool (1) cone segments go out containing the circle for being sleeved on left end cap (2)
In stomata；The big 3-6mm of outer diameter of nested boring ratio spool (1) cylinder on the shell (3).
2. reused mechanical fire-proof safety valve according to claim 1, it is characterised in that：The hot melt stick (4)
For vinyon stick.
3. reused mechanical fire-proof safety valve according to claim 1, it is characterised in that：The left end cap (2)
Gas outlet 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. reused mechanical fire-proof safety valve according to claim 1, it is characterised in that：The right end cap (6)
Air inlet 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610620324.4A CN106015681B (en) | 2016-07-29 | 2016-07-29 | Reused machinery fire-proof safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610620324.4A CN106015681B (en) | 2016-07-29 | 2016-07-29 | Reused machinery fire-proof safety valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106015681A CN106015681A (en) | 2016-10-12 |
| CN106015681B true CN106015681B (en) | 2018-08-28 |
Family
ID=57134121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610620324.4A Expired - Fee Related CN106015681B (en) | 2016-07-29 | 2016-07-29 | Reused machinery fire-proof safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106015681B (en) |
Citations (9)
| 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 |
| CN206175752U (en) * | 2016-07-29 | 2017-05-17 | 钦州学院 | But repetitious usage's mechanical fire -proof safety valve |
-
2016
- 2016-07-29 CN CN201610620324.4A patent/CN106015681B/en not_active Expired - Fee Related
Patent Citations (9)
| 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 |
| CN206175752U (en) * | 2016-07-29 | 2017-05-17 | 钦州学院 | But repetitious usage's mechanical fire -proof safety valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106015681A (en) | 2016-10-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20190729 |
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| CF01 | Termination of patent right due to non-payment of annual fee |