CN206175752U - But repetitious usage's mechanical fire -proof safety valve - Google Patents
But repetitious usage's mechanical fire -proof safety valve Download PDFInfo
- Publication number
- CN206175752U CN206175752U CN201620823684.XU CN201620823684U CN206175752U CN 206175752 U CN206175752 U CN 206175752U CN 201620823684 U CN201620823684 U CN 201620823684U CN 206175752 U CN206175752 U CN 206175752U
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- China
- Prior art keywords
- end cap
- left end
- cylinder
- cone
- valve
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- Withdrawn - After Issue
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Abstract
The utility model provides a but repetitious usage's mechanical fire -proof safety valve belongs to gas valve field, including case, left end lid, casing, hot melt stick, cone valve spring and right -hand member lid. Case one end is the cone, and the other end is the cylinder, and it has a circular through -hole to open on the cylinder, the outer anchor ring of left end lid is provided with fine screw thread, is provided with the venthole in the middle of the left end lid, and venthole one end sets up to circular, and the other end sets up to the toper, the cone size of case one end is littleer than the toper venthole of left end lid, the casing both ends are inside to be provided with thin tooth internal thread, and the center of one end still is provided with nest holes, the outer anchor ring of right -hand member lid is provided with fine screw thread, and the centre is provided with the inlet port. The both ends at the casing are screwed up respectively to left end lid and right -hand member lid, case one end cylinder passes the nest holes of casing, the circular through -hole of cylinder inserts the hot melt stick and blocks in the nest holes outer end through the hot melt stick.
Description
Technical field
This utility model is related to burnt gas valve field, is specifically to be related to reused mechanical fire safety
Valve.
Background technology
Use field of the automobile of the liquid gas storage tank for using at present or fuel gas, such as natural gas as burning combustible gas
Close, convenient generally for arrangement pipeline is typically all to be connected to flexible pipe, if after the reason such as family or self-burning of vehicle is caught fire, working as fire
Gesture is larger or personnel are not closed at the scene when can not close the valve of gas piping, and the rubber tube burning at intensity of a fire scene is disconnected
Gas leakage is caused to control after splitting, it will to cause gas to accelerate uncontrollable leakage burning, air accumulator or liquefied gas
Bottle can possibly even occur the danger exploded, and consequence will be hardly imaginable.So, if without personnel or people can 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 burnt from playing the role of huge, while can reduce or avoid the injury of personal property, therefore has more significantly
Marketing prospect of the application.
The characteristics of safety devices against fires such as existing relief valve are usually equipped with sealing ring and complex structure, use cost is high,
It is not safe enough, easily melt in high temperature environments especially with rubber seal or burn and relief valve is lost
The fire prevention anti-leak effect of safety.And due to self reason failure or using once after cannot use, the cost for using
It is higher.
Authorization Notice No. discloses a kind of fire-proof safety valve for being automatically switched off pipeline, valve for the patent of CN200965085Y
Core one end compression spring, the other end is supported with hot melt part, and after hot melt part is heated thawing, valve element is ejected blocking outlet by spring
Hole, reaches the effect for being automatically switched off pipeline.Because hot melt part is not arranged in breather, when occurring on fire in breather,
Valve body heat conduction is needed, hot melt part is imparted heat to, hot melt part melts words can just carry out closing pipeline, when this usually needs certain
Between, therefore effect is bad.Due to pipeline it is on fire when, fire spreading can quickly, a kind of therefore above-mentioned pipeline that is automatically switched off
Fire safety valve performance is bad, it is impossible to play good fireproof effect.
Application publication number discloses fire-proof safety valve for the patent of CN102537457A, valve body, switch valve, thimble, joint,
Spring, steel ball, spring and "○" type sealing ring are constituted, and it has following not foot point：First, using joint as burning, due to
Joint thickness is larger, and needing to absorb substantial amounts of heat to melt, and its record is just to be automatically switched off passage after burning, therefore
Need the response time grown very much；Second, using sealing ring as sealing device, it is usually to make that those skilled in the art both know about sealing ring
With rubber make, used rubber seal easily in high temperature environments melt or burn and so that relief valve lose it is safe
Fire prevention anti-leak effect, and due to self reason failure or using once after cannot use, what is used is relatively costly.
Utility model content
For the deficiency that above-mentioned prior art is present, this utility model provides reused mechanical fire-proof safety valve.
This utility model solves the above problems by the following technical programs：
Reused mechanical fire-proof safety valve, including valve element, left end cap, housing, hot melt rod, cone valve spring and right-hand member
Lid；
Valve element one end is cone, and the other end is cylinder, and a manhole is provided with cylinder；Left end cap outer ring surface is provided with
Fine thread, left end cap middle setting has venthole, and venthole one end is provided in round, and the other end is set to taper；Valve element one
The cone size at end is less than the taper venthole of left end cap；Housing two ends are internally provided with closely-pitched female 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 middle setting has air inlet；
Left end cap and right end cap are tightened in respectively the two ends of housing；Nested hole of valve element one end cylinder through housing；Cylinder
Manhole insertion hot melt rod and by hot melt rod 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 is containing being enclosed within the circular venthole of left end cap.
In such scheme, it is vinyon rod preferably to heat rod.
In such scheme, preferably to be set to minor diameter cylindrical for left end cap gas outlet front end, with the cylindrical connection of minor diameter
It is square structure that place is set to larger step.
In such scheme, preferably to be set to minor diameter cylindrical for right end cap air inlet front end, with the cylindrical connection of minor diameter
It is square structure that place is set to larger step.
In such scheme, the big 3-6mm of external diameter of the nested boring ratio valve element cylinder preferably on housing.
Advantage of the present utility model is with effect：
1st, this utility model is by being arranged on hot melt rod in breather, so that when there is fire accident, heating
Rod can very first time induction heat and fuse, the response time is fast, can quick closure trachea soon, with existing fire-proof safety valve
Compare with better flameproof effect；
2nd, further, this utility model easily will not in high temperature environments be melted without caulking gum due to rubber seal
Change or burn and cause relief valve to lose safe fire prevention anti-leak effect；
3rd, this utility model does not occur under more serious actual effect and breakage in cone valve spring and entirety, due to certainly
Body reason fail or using once after only need the hot melt rod for changing a low cost just can reuse, the cost for using compared with
It is low.
Description of the drawings
Fig. 1 is the structural representation of this utility model normal ventilation；
Fig. 2 is the structural representation that this utility model closes pipeline.
Label in figure：1 valve element, 2 left end caps, 3 housings, 4 hot melt rods, 5 cone valve springs, 6 right end caps.
Specific embodiment
With reference to embodiments the utility model is described in further detail.
Reused mechanical fire-proof safety valve, as shown in figure 1, including valve element 1, left end cap 2, housing 3, hot melt rod 4,
Cone valve spring 5 and right end cap 6.For the safety for improving relief valve and being used for multiple times property, valve element 1, left end cap 2, housing 3, cone
Valve spring 5 and right end cap 6 are made using metal material, and hot melt rod 4 is made by meeting the molten material of volume flow rate, preferably makes in this incidence of criminal offenses
Use vinyon rod.
The two ends of housing 3 are internally provided with closely-pitched female thread, and the center of one end is additionally provided with nested hole.Housing 3 for 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.
The outer ring surface of left end cap 2 is provided with fine thread, and the middle setting of left end cap 2 has venthole, and venthole one end is set to
Circle, the other end is set to taper.It is cylindrical that the gas outlet front end of left end cap 2 is set to minor diameter, sets with the cylindrical junction of minor diameter
It is square structure to be set to larger step.Left end cap 2 is tightened in housing 3 and is provided with the closely-pitched of nested nose end by fine thread
On screw thread so as to form sealing.In the attached last layer leakproof pipeline thread band of closely-pitched female thread so as to sealing obtain more
It is further to ensure.Using adjustable wrench square structure can be twisted so as to right end cap 6 is tightened on housing 3, as shown in Figure 1.
The outer ring surface of right end cap 6 is provided with fine thread, and middle setting has air inlet.Right end cap 6 is tightened by fine thread
On the other end closely-pitched female thread of housing 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.It is cylindrical that the air inlet front end of right end cap 6 is set to minor diameter, with the cylindrical junction of minor diameter be set to compared with
Big step is square structure.In the attached last layer leakproof pipeline thread band of closely-pitched female thread so as to sealing obtain more
It is further to ensure.Using adjustable wrench square structure can be twisted so as to right end cap 6 is tightened on housing 3, as shown in Figure 1.
The one end of valve element 1 is cone, and the other end is cylinder, and a manhole is provided with cylinder.One end cylinder of valve element 1 is passed through
The nested hole of housing 3.The manhole insertion hot melt rod 4 of cylinder is simultaneously stuck in nested outer end of hole by hot melt rod 4.Cylinder top leads to
Overcompression cone valve spring 5 is connected on the spring base of right end cap 6.The cone segments of valve element 1 are containing the circular venthole for being enclosed within left end cap 2
It is interior.After hot melt rod 4 disconnects, cone valve spring 5 extends, and the cone of valve element 1 can be fitted tightly over the gas outlet of the taper of left end cap 2
Go out, form sealing, reach the effect for being automatically switched off pipeline.The big 3-6mm of external diameter of the nested cylinder of boring ratio valve element 1 on housing 3, can
Cannot be moved with preventing housing to be heated stuck valve element cylinder.Taper venthole of the cone size of the one end of valve element 1 than left end cap 2
It is little, as shown in Figure 1.
Hot melt rod 4 is when being heated less than 100 degree, i.e., fire does not occur or during by high temperature, and the hot melt intact interference of rod 4 is matched somebody with somebody
Close in the circular hole of valve element, cone valve spring can be compressed in the taper of certain position, valve element 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 rod 4 is heated above 100 degree, melted by heat, the cone valve spring of compression does not heat rod 4 and stops in valve element survey
In the case of promote valve element to be moved to the left valve seat is blocked, such that it is able to prevent the leakage of gas, cut off burning things which may cause a fire disaster, as shown in Figure 2.
There is concrete on fire, reinstalling after hot melt rod 4 and can directly use, with can be with nonexpondable effect.
Below the preferred embodiment to this utility model creation is illustrated, but this utility model is not limited to
Embodiment, those of ordinary skill in the art can also make a variety of on the premise of without prejudice to this utility model creative spirit
The modification of equivalent or replacement, the modification of these equivalents or replacement are all contained in scope of the present application.
Claims (5)
1. reused mechanical fire-proof safety valve, it is characterised in that：Including valve element (1), left end cap (2), housing (3), heat
Molten rod (4), cone valve spring (5) and right end cap (6)；
Valve element (1) one end is cone, and the other end is cylinder, and a manhole is provided with cylinder；Left end cap (2) outer ring surface is arranged
There is fine thread, left end cap (2) middle setting has venthole, and venthole one end is provided in round, and the other end is set to taper；Valve
The cone size of core (1) one end is less than the taper venthole of left end cap (2)；Housing (3) two ends are internally provided with closely-pitched 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, and middle setting has air inlet；
Left end cap (2) and right end cap (6) are tightened in respectively the two ends of housing (3)；Valve element (1) one end cylinder is through housing (3)
Nested hole；Manhole insertion hot melt rod (4) of cylinder is simultaneously stuck in nested outer end of hole by heating rod (4)；Cylinder top passes through
Compression cone valve spring (5) is connected on the spring base of right end cap (6)；Valve element (1) cone segments go out containing the circle for being enclosed within left end cap (2)
In pore.
2. reused mechanical fire-proof safety valve according to claim 1, it is characterised in that：Hot melt rod (4)
For vinyon rod.
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 to that minor diameter is cylindrical, and it is square structure to be set to larger step with the cylindrical junction of minor diameter.
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 to that minor diameter is cylindrical, and it is square structure to be set to larger step with the cylindrical junction of minor diameter.
5. reused mechanical fire-proof safety valve according to claim 1, it is characterised in that：On the housing (3)
Nested boring ratio valve element (1) cylinder the big 3-6mm of external diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620823684.XU CN206175752U (en) | 2016-07-29 | 2016-07-29 | But repetitious usage's mechanical fire -proof safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620823684.XU CN206175752U (en) | 2016-07-29 | 2016-07-29 | But repetitious usage's mechanical fire -proof safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175752U true CN206175752U (en) | 2017-05-17 |
Family
ID=58674258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620823684.XU Withdrawn - After Issue CN206175752U (en) | 2016-07-29 | 2016-07-29 | But repetitious usage's mechanical fire -proof safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015681A (en) * | 2016-07-29 | 2016-10-12 | 钦州学院 | Reusable mechanical fireproof safety valve |
| CN107366768A (en) * | 2017-08-17 | 2017-11-21 | 广西科技大学 | A kind of reusable bivalve door safety device |
-
2016
- 2016-07-29 CN CN201620823684.XU patent/CN206175752U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015681A (en) * | 2016-07-29 | 2016-10-12 | 钦州学院 | Reusable mechanical fireproof safety valve |
| CN106015681B (en) * | 2016-07-29 | 2018-08-28 | 钦州学院 | Reused machinery fire-proof safety valve |
| CN107366768A (en) * | 2017-08-17 | 2017-11-21 | 广西科技大学 | A kind of reusable bivalve door safety device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170517 Effective date of abandoning: 20180828 |
|
| AV01 | Patent right actively abandoned |