CN104214385B - Gas safety valve - Google Patents
Gas safety valve Download PDFInfo
- Publication number
- CN104214385B CN104214385B CN201410428390.2A CN201410428390A CN104214385B CN 104214385 B CN104214385 B CN 104214385B CN 201410428390 A CN201410428390 A CN 201410428390A CN 104214385 B CN104214385 B CN 104214385B
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- Prior art keywords
- valve
- gas
- safety valve
- gas safety
- limiting plate
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Classifications
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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
- F16K17/36—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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding And Controlling Fuel (AREA)
- Safety Valves (AREA)
Abstract
The invention provides a gas safety valve which comprises a gas inlet valve and a gas outlet valve, wherein the gas inlet valve and the gas outlet valve are connected into a whole and are coaxially overlapped, the gas outlet valve comprises a pressure release valve, a limiting plate, a piston pillar, an elastic piece, a gasket, a fusant ejection rod and a fixture block which are sequentially arranged from the gas inlet direction to the gas outlet direction; the pressure release valve is divided into an upper part and a lower part, and a gas circuit is cut off when the upper part and the lower part are occluded; the limiting plate is arranged above the pressure release valve; the elastic piece sleeves on the piston pillar, wherein one end of the elastic piece is fixedly connected with the gasket on the piston pillar, and the other end of the elastic piece is fixedly connected with the limiting plate; one end of the piston pillar is fixedly connected with the gasket and the other end of the piston pillar penetrates through the limiting plate and is fixedly connected with the lower half part of the pressure release valve; the fixture block is arranged on the inner wall of an opening of the gas outlet valve, and two ends of the fusant ejection rod are respectively in contact with the inner side of the fixture block and the gasket and prop against the gasket. The gas safety valve provided by the invention has high safety and can automatically cut off gas when an outlet of a gas pipe is on fire.
Description
Technical field
The present invention relates to a kind of relief valve, more particularly to a kind of gas safety valve in fuel gas delivery pipe.
Background technology
With the development of national economy, people's lives condition constantly improves, combustion gas as it is a kind of quick, facilitate, clean, defending
Raw fuel is popularized in man of urban and rural residents.But, due to combustion gas it is inflammable and explosive the characteristics of, once because connecting tube is aging or
When natural and man-made calamities generation gas outlet catches fire, more serious explosion accident is frequently can lead to, caused any property loss or casualties.It is existing
There is the gas safety valve in technology, it is impossible to block combustion gas when catching fire at gas outlet automatically, safety is difficult to be guaranteed.Cause
How this, combustion gas is blocked when Gas Pipe exit catches fire automatically, it is to avoid explosion accident occurs, it is ensured that the peace of user
Entirely, it is those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
The present invention is intended to provide a kind of gas safety valve, the gas safety valve high safety can be in Gas Pipe exit
Automatically combustion gas is blocked when catching fire, for achieving the above object, the present invention provides following technical scheme：
A kind of gas safety valve, including intake valve and air outlet valve, the intake valve and air outlet valve link into an integrated entity, both
It is axially coincident, relief valve that the air outlet valve includes being set gradually to outgassing direction from air inlet, limiting plate, piston boit, elastic component,
Pad, lyotrope push rod and fixture block；The relief valve is divided into upper and lower two parts, and gas circuit disconnects when upper and lower two parts are engaged；
The limiting plate is on relief valve；On the elastic component piston set post, its one end fixes company with the pad on piston boit
Connect, the other end is fixedly connected with limiting plate；Described piston boit one end is fixedly connected with pad, the other end through after limiting plate with let out
The latter half of pressure valve is fixedly connected；The fixture block be located at outlet valve port inwall, the lyotrope push rod two ends respectively with fixture block
Inner side and pad contact, and withstand pad.
Preferably, in above-mentioned gas safety valve, the elastic component is spring.
Preferably, in above-mentioned gas safety valve, the lyotrope push rod is two, located at the upper and lower of air outlet valve inwall
End.
Preferably, in above-mentioned gas safety valve, the material of the lyotrope push rod is paraffin, insect wax, foam plasticss
Or resin.
Preferably, in above-mentioned gas safety valve, the end of the intake valve is provided with screw thread.
Preferably, in above-mentioned gas safety valve, the end of the intake valve is provided with gas tank interface glue.
Preferably, in above-mentioned gas safety valve, the relief valve is provided with detector, can be to detecting gas leakage
Situation is detected.
Preferably, in above-mentioned gas safety valve, the outer wall of the intake valve is provided with thermal insulation layer, and the thermal insulation layer is built-in
There are asbestos or sand.
The gas safety valve that the present invention is provided can automatically block combustion gas when Gas Pipe exit catches fire, it is to avoid quick-fried
Fried accident occurs, it is ensured that the safety of user.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of gas safety valve of the present invention.
The sequence number and Each part of Fig. 1 and title are as follows：
1st, intake valve；2nd, air outlet valve；3rd, relief valve；4th, limiting plate；5th, piston boit；6th, elastic component；7th, pad；8th, lyotrope
Push rod；9th, fixture block；10th, outlet valve port；11st, air outlet valve inwall；12nd, screw thread；13rd, gas tank interface glue；14th, thermal insulation layer.
Specific embodiment
The invention discloses a kind of gas safety valve, the gas safety valve high safety, can send out in Gas Pipe exit
Life blocks combustion gas automatically when catching fire.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, Fig. 1 is the structural representation of gas safety valve of the present invention.
A kind of gas safety valve provided in an embodiment of the present invention, including intake valve 1 and air outlet valve 2, the intake valve 1 and go out
Air valve 2 links into an integrated entity, and both is axially coincident, and the air outlet valve 2 includes the pressure release set gradually to outgassing direction from air inlet
Valve 3, limiting plate 4, piston boit 5, elastic component 6, pad 7, lyotrope push rod 8 and fixture block 9；3 points of the relief valve is upper and lower two
Part, gas circuit disconnects when upper and lower two parts are engaged；The limiting plate 4 is on relief valve 3；The suit of the elastic component 6 is lived
On stick harness 5, its one end is fixedly connected with the pad 7 on piston boit 5, and the other end is fixedly connected with limiting plate 4；The piston boit 5
One end is fixedly connected with pad 7, and the other end is fixedly connected through after limiting plate 4 with the latter half of relief valve 3；The fixture block 9
Located at the inwall of outlet valve port 10, the two ends of lyotrope push rod 8 contact respectively with the inner side of fixture block 9 and pad 7, withstand pad 7.
During gas safety valve normal work provided in an embodiment of the present invention, relief valve 3 up and down two be partially in separation
State, combustion gas is input into by intake valve 1, is exported from air outlet valve 2.When outlet valve port 10 catches fire, the temperature of outlet valve port 10 rises, and makes
The thawing of lyotrope push rod 8 shortens, and at this moment the elastic component 6 in compressive state can promote pad 7 and piston rod to lyotrope push rod 8
Space after shortening is close；Due to the movement of piston boit 5, relief valve is driven to be engaged so that gas circuit is broken two parts about 3
Open, block the input of combustion gas, alleviate the problem that outlet valve port 10 catches fire.
From above-mentioned technical proposal as can be seen that as shown in figure 1, gas safety valve arrangement provided in an embodiment of the present invention is simple
It is single, but can effectively extinguish catching fire for outlet valve port 10.Outlet valve port 10 is perceived by lyotrope push rod 8 to catch fire, elastic component 6
Therewith promote pad 7 movement for piston boit 5 mobile slot milling, so as to drive relief valve about 3 two part occlusion cause
Gas circuit disconnects, and the purpose of fire extinguishing is realized by blocking the input of combustion gas.Meanwhile, the setting of limiting plate 4 can be according to elastic component 6
Compression requirement carries out spacing to elastic component 6, and also preferably the desired position of piston boit 5 can be configured, and controls relief valve 3
Opening and closing such that it is able to more precisely control the automatic blocking of combustion gas.It can be seen that, the gas safety valve that the present invention is provided can be
Automatically combustion gas is blocked when Gas Pipe exit catches fire, it is to avoid explosion accident occurs, it is ensured that the safety of user.
Specifically, as shown in figure 1, in gas safety valve provided in an embodiment of the present invention, the elastic component 6 is spring.
Spring is chosen as elastic component 6, is not only simple in structure, while material is common, cost is relatively low.
Specifically, as shown in figure 1, in gas safety valve provided in an embodiment of the present invention, the lyotrope push rod 8 is two
Root, located at the upper and lower side of air outlet valve inwall 11.The upper and lower side of air outlet valve inwall 11 arranges two lyotrope push rods 8, can be in gas
Fixture block 9 is more firmly propped up during body relief valve normal work.
Specifically, as shown in figure 1, in gas safety valve provided in an embodiment of the present invention, the material of the lyotrope push rod 8
Matter is paraffin, insect wax, foam plasticss or resin.Paraffin, insect wax, foam plasticss or resin etc. are all that heat easily melts material, when
Outlet valve port 10 being capable of rapid melting shortening when catching fire.
In order to realize the tight connection of gas safety valve and gas inlet pipe, as shown in figure 1, providing in the embodiment of the present invention
Gas safety valve in, the end of the intake valve is provided with screw thread 12 such that it is able to prevent gas safety valve and gas inlet pipe
Connection end leak air problem, it is ensured that the safety that gas safety valve is used.
In order to realize closely being connected for gas safety valve and gas inlet pipe, as shown in figure 1, in present invention enforcement
In the gas safety valve that example is provided, the end of the intake valve 1 is provided with gas tank interface glue 13.The end of intake valve 1 is provided with gas tank
Interface glue 13 such that it is able to which the connection end for preventing gas safety valve and gas inlet pipe leaks air problem, further ensures that gas
The safety that body relief valve is used.
Meanwhile, in order to further detect to gas leakage situation such that it is able to quickly find and solve leakage problem, such as scheme
Shown in 1, in gas safety valve provided in an embodiment of the present invention, the relief valve is provided with detector, can be to detection
Gas leakage situation is detected.
Further, as shown in figure 1, in gas safety valve provided in an embodiment of the present invention, the intake valve 1 it is outer
Wall is provided with thermal insulation layer 14, and the thermal insulation layer 14 improves heat-insulated effect of the gas safety valve at air inlet built with asbestos or sand
Really.
Claims (8)
1. a kind of gas safety valve, including intake valve（1）And air outlet valve（2）, the intake valve（1）And air outlet valve（2）Connect into
Integrally, both is axially coincident, it is characterised in that：The air outlet valve（2）Including from air inlet to letting out that outgassing direction sets gradually
Pressure valve（3）, limiting plate（4）, piston boit（5）, elastic component（6）, pad（7）, lyotrope push rod（8）And fixture block（9）；The pressure release
Valve（3）It is divided into upper and lower two parts, gas circuit disconnects when upper and lower two parts are engaged；The limiting plate（4）Located at relief valve（3）It
On；The elastic component（6）Piston set post（5）On, its one end and piston boit（5）On pad（7）Be fixedly connected, the other end with
Limiting plate（4）It is fixedly connected；The piston boit（5）One end and pad（7）It is fixedly connected, the other end passes through limiting plate（4）Afterwards with
Relief valve（3）The latter half be fixedly connected；The fixture block（9）Located at outlet valve port（10）Inwall, the lyotrope push rod（8）
Two ends respectively with fixture block（9）Inner side and pad（7）Contact, withstand pad（7）.
2. the gas safety valve according to claim 1, it is characterised in that：The elastic component（6）For spring.
3. the gas safety valve according to claim 1, it is characterised in that：The lyotrope push rod（8）For two, it is located at
Air outlet valve inwall（11）Upper and lower side.
4. the gas safety valve according to claim 1, it is characterised in that：The lyotrope push rod（8）Material be stone
Wax, insect wax, foam plasticss or resin.
5. the gas safety valve according to claim 1, it is characterised in that：The intake valve（1）End be provided with screw thread
（12）.
6. the gas safety valve according to claim 1, it is characterised in that：The intake valve（1）End be provided with gas tank and connect
Chewing gum（13）.
7. the gas safety valve according to claim 1, it is characterised in that：The relief valve is provided with detector, energy
It is enough that gas leakage situation is detected.
8. the gas safety valve according to claim 1, it is characterised in that：The intake valve（1）Outer wall be provided with thermal insulation layer
（14）, the thermal insulation layer（14）Built with asbestos or sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410428390.2A CN104214385B (en) | 2014-08-28 | 2014-08-28 | Gas safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410428390.2A CN104214385B (en) | 2014-08-28 | 2014-08-28 | Gas safety valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104214385A CN104214385A (en) | 2014-12-17 |
| CN104214385B true CN104214385B (en) | 2017-05-10 |
Family
ID=52096158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410428390.2A Active CN104214385B (en) | 2014-08-28 | 2014-08-28 | Gas safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104214385B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6820633B2 (en) * | 2002-11-12 | 2004-11-23 | Chih-Hung Liu | Thermally-sensitive safety device for gas tubing |
| CN201487338U (en) * | 2009-07-06 | 2010-05-26 | 陈端钧 | Gas temperature control cut-off valve |
| CN204004653U (en) * | 2014-08-28 | 2014-12-10 | 徐振权 | A kind of gas safety valve |
-
2014
- 2014-08-28 CN CN201410428390.2A patent/CN104214385B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104214385A (en) | 2014-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Zhenquan Inventor after: Lu Jianming Inventor after: Ye Chunnian Inventor before: Xu Defeng Inventor before: Xu Zhenquan |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170327 Address after: Yongjia Dong'ou County of Wenzhou City, Zhejiang province 325000 Street five-star industrial zone Applicant after: FANGYUAN VALVE GROUP Co.,Ltd. Address before: The deer Village in Lu Chuan county the Guangxi Zhuang Autonomous Region Yulin city guangzhouchina 537717 Chen Village No. 23 Applicant before: Xu Zhenquan |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A gas safety valve Effective date of registration: 20221215 Granted publication date: 20170510 Pledgee: Agricultural Bank of China Limited Yongjia County sub branch Pledgor: FANGYUAN VALVE GROUP Co.,Ltd. Registration number: Y2022330003682 |