CN104214387A - Gas safety valve - Google Patents
Gas safety valve Download PDFInfo
- Publication number
- CN104214387A CN104214387A CN201410428988.1A CN201410428988A CN104214387A CN 104214387 A CN104214387 A CN 104214387A CN 201410428988 A CN201410428988 A CN 201410428988A CN 104214387 A CN104214387 A CN 104214387A
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- Prior art keywords
- gas
- connecting rod
- safety valve
- piston
- valve
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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
- 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)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention provides a gas safety valve which comprises a gas inlet valve and a gas outlet valve, wherein the gas outlet valve comprises an elastic piece I, a piston switch, a fusible stop block and a switch ejection block which are sequentially arranged along the gas outlet direction, the piston switch comprises a support rod, a piston ejection rod and a connecting rod, the switch ejection block comprises a support seat and a connecting block, and the gas inlet valve comprises a pressure release valve, a limiting plate, a piston pillar and an elastic piece II which are sequentially arranged along the gas inlet direction. The gas safety valve provided by the invention has strong 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 safety valve, particularly relate to a kind of gas safety valve be arranged on inflammable gas delivery pipe.
Background technique
Along with the development of national economy, people's lives condition is constantly improved, and combustion gas is popularized in man of urban and rural residents as a kind of fuel that is quick, convenient, clean, health.But, because combustion gas is inflammable and explosive, once because connecting tube is aging or natural and man-made calamities produce gas port and catch fire, often causes more serious explosive accident, cause any property loss or casualties.Gas safety valve of the prior art, automatically cannot block combustion gas when air outlet place catches fire, Security is difficult to be guaranteed.Therefore, how automatically blocking combustion gas when fuel tube outlet port catches fire, avoid explosive accident to occur, ensure the safety of user, is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
The present invention aims to provide a kind of gas safety valve, this gas safety valve high safety, automatically can block combustion gas when fuel tube outlet port catches fire, and for achieving the above object, the invention provides following technological scheme:
A kind of gas safety valve, comprise suction valve and gas outlet valve, described gas outlet valve comprises the elastic component I, piston switch, meltable stop block and the switch jacking block that set gradually along outgassing direction; Described piston switch comprises strut, piston mandril and connecting rod, one end of described strut is installed on the inwall of gas outlet valve by rotating shaft, the other end is connected with connecting rod with piston mandril respectively, and wherein piston mandril is fixing with on strut, and connecting rod is connected with strut by rotating shaft; Described switch jacking block comprises supporting base and contiguous block, and described supporting base is installed on the inwall of gas outlet valve, and described contiguous block is installed on supporting base, the end thereof contacts of the other end and connecting rod; Described meltable stop block is located at connecting rod both sides or entirety wraps connecting rod, and at connecting rod with between contiguous block and the inwall of gas outlet valve, the connecting rod made by the obstruction of meltable stop block and contiguous block keep coupled condition; The two ends of described elastic component I are installed on gas outlet valve end valve wall and strut one end away from the inwall of gas outlet valve respectively, and elastic component I is in compressive state;
Described suction valve comprises the Decompression valves, limiting board, piston column, the elastic component II that set gradually along airintake direction; Described Decompression valves is divided into upper and lower two parts, and during upper and lower two part occlusions, gas circuit disconnects; Described limiting board is located on Decompression valves; On described elastic component II piston set post, its one end is fixedly connected with the jacking block on piston column, and the other end is fixedly connected with limiting board; Described piston column one end contacts with piston mandril end, and the other end is fixedly connected with lower half portion of Decompression valves through after limiting board.
Preferably, in above-mentioned gas safety valve, described connecting rod comprises two sections that are mutually flexibly connected, and meltable stop block is at least located at the both sides of this tie point of two sections, or wraps this tie point of two sections.
Preferably, in above-mentioned gas safety valve, at two sections of connecting rod point of contact places, wherein the end of a section is cambered surface spill, and the end of another section is the cambered surface convex matched with spill.
Preferably, in above-mentioned gas safety valve, described connecting rod is cambered surface spill near the end of valve port of giving vent to anger; Described contiguous block is match spherical.
Preferably, in above-mentioned gas safety valve, described elastic component I and elastic component II are spring.
Preferably, in above-mentioned gas safety valve, the material of described meltable stop block is paraffin, insect wax, foamed plastics or resin.
Preferably, in above-mentioned gas safety valve, the end of described suction valve is provided with gas tank interface glue.
Preferably, in above-mentioned gas safety valve, the end of described suction valve is provided with screw thread.
Preferably, in above-mentioned gas safety valve, described safety valve is provided with gas detector, can detect detection gas leakage situation.
Preferably, in above-mentioned gas safety valve, the outer wall of described suction valve is provided with thermal-protective coating, and described thermal-protective coating is built with asbestos or sand.
Gas safety valve provided by the invention can block combustion gas automatically when fuel tube outlet port catches fire, and avoids explosive accident to occur, and ensures the safety of user.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of gas safety valve of the present invention.
The sequence number of Fig. 1 and Each part and title as follows:
1, suction valve; 2, gas outlet valve; 3, elastic component I; 4, piston switch; 5, meltable stop block; 6, switch jacking block; 7, strut; 8, piston mandril; 9, connecting rod; 10, supporting base; 11, contiguous block; 12, gas outlet valve end valve wall; 13, Decompression valves; 14, limiting board; 15, piston column; 16, elastic component II; 17, jacking block; 18, gas tank interface glue; 19, screw thread; 20, thermal-protective coating.
Embodiment
The invention discloses a kind of gas safety valve, this gas safety valve high safety, automatically can block combustion gas when fuel tube outlet port catches fire.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 1 is the structural representation of gas safety valve of the present invention.
A kind of gas safety valve, comprise suction valve 1 and gas outlet valve 2, described gas outlet valve 2 comprises the elastic component I 3, piston switch 4, meltable stop block 5 and the switch jacking block 6 that set gradually along outgassing direction; Described piston switch 4 comprises strut 7, piston mandril 8 and connecting rod 9, one end of described strut 7 is installed on by rotating shaft on the inwall of gas outlet valve 2, the other end is connected with connecting rod 9 with piston mandril 8 respectively, wherein piston mandril 8 is fixing with on strut 7, and connecting rod 9 is connected with strut 7 by rotating shaft; Described switch jacking block 6 comprises supporting base 10 and contiguous block 11, and described supporting base 10 is installed on the inwall of gas outlet valve 2, and described contiguous block is installed on supporting base, the end thereof contacts of the other end and connecting rod 9; Described meltable stop block 5 is located at connecting rod 9 both sides or entirety wraps connecting rod 9, and between connecting rod 9 and the inwall of contiguous block 11 and gas outlet valve 2, the connecting rod 9 made by the obstruction of meltable stop block 5 and contiguous block 11 keep coupled condition; The two ends of described elastic component I 3 are installed on gas outlet valve end valve wall 12 and strut 7 one end away from the inwall of gas outlet valve 2 respectively, and elastic component I 3 is in compressive state;
Described suction valve 1 comprises the Decompression valves 13, limiting board 14, piston column 15, the elastic component II 16 that set gradually along airintake direction; Described Decompression valves 13 is divided into upper and lower two parts, and during upper and lower two part occlusions, gas circuit disconnects; Described limiting board 14 is located on Decompression valves 13; On described elastic component II 16 piston set post 15, its one end is fixedly connected with the jacking block 17 on piston column 15, and the other end is fixedly connected with limiting board 14; Described piston column 15 one end contacts with piston mandril 8 end, and the other end is fixedly connected with lower half portion of Decompression valves 13 through after limiting board 14.
When the gas safety valve that the embodiment of the present invention provides normally works, the elastic component II 16 being in compressive state makes piston column 15 open Decompression valves 13, and combustion gas is inputted by suction valve 1, exports from gas outlet valve 2.When gas outlet valve 2 mouthfuls catches fire, gas outlet valve 2 mouthfuls of temperature rise, meltable stop block is made to melt distortion, the resistance of meltable stop block 5 pairs of contiguous blocks 11 reduces, at this moment it is close to the space in gas outlet valve 2 mouthfuls of directions that the elastic component I 3 being in compressive state can promote piston switch 4, and piston mandril 8 departs from piston column 15 end; Due to the movement of piston mandril 8 end, piston mandril 8 end originally propping up piston column 15 is made to have occurred space, the elastic component II 16 being in compressive state impels piston column 15 to move to above-mentioned space place, thus drive the occlusion of Decompression valves about 13 two part that gas circuit is disconnected, block the input of combustion gas, alleviate gas outlet valve 2 mouthfuls of problems of catching fire.
As can be seen from technique scheme, as shown in Figure 1, the gas safety valve arrangement that the embodiment of the present invention provides is simple, but can effectively extinguish catching fire of valve port of giving vent to anger.Caught fire by meltable stop block 5 perception gas outlet valve 2 mouthfuls, elastic component I 3 promotes piston mandril 8 end thereupon and moves motion slot milling into piston column 15, elastic component II 16 impels piston column 15 to move thus drives the occlusion of Decompression valves about 13 two part that gas circuit is disconnected, and is realized the object of fire extinguishing by the input blocking combustion gas.Meanwhile, arranging of limiting board 14 can be carried out spacing to elastic component II 16 according to the compression requirement of elastic component II 16, also can arrange piston column 15 desired position better, thus more accurately can control the automatic blocking-up of combustion gas.Visible, gas safety valve provided by the invention can block combustion gas automatically when fuel tube outlet port catches fire, and avoids explosive accident to occur, and ensures the safety of user.
Particularly, as shown in Figure 1, in the gas safety valve that the embodiment of the present invention provides, described connecting rod 9 comprises two sections that are mutually flexibly connected, and meltable stop block 5 is at least located at the both sides of this tie point of two sections, or wraps this tie point of two sections.When valve port of giving vent to anger catches fire, gas outlet valve 2 mouthfuls of temperature rise, meltable stop block 5 is made to melt distortion, the resistance of meltable stop block 5 pairs of connecting rods 9 reduces, because two sections of connecting rods 9 are not fixedly connected with at point of contact place, when meltable stop block 5 resistance reduces, connecting rod 9 more easily misplaces thus drives piston mandril 8 end to move.
Particularly, as shown in Figure 1, in the gas safety valve that the embodiment of the present invention provides, at two sections of connecting rod 9 point of contact places, wherein the end of a section is cambered surface spill, and the end of another section is the cambered surface convex matched with spill.The concavo-convex structure matched of connecting rod 9 end, can make two sections of connecting rods 9 coordinate at point of contact place more firm.
Particularly, as shown in Figure 1, in the gas safety valve that the embodiment of the present invention provides, described connecting rod 9 is cambered surface spill near the end of gas outlet valve 2 mouthfuls; Described contiguous block 11 is spherical for what match.Spherical contiguous block 11 can match better with connecting rod 9 end, and can the more easily movement when needs connecting rod 9 misplaces separation.
Particularly, as shown in Figure 1, in the gas safety valve that the embodiment of the present invention provides, described elastic component I 3 and elastic component II 16 are spring.Choose spring as elastic component, not only structure is simple, and material is common simultaneously, and cost is lower.
Particularly, as shown in Figure 1, in the gas safety valve that the embodiment of the present invention provides, the material of described meltable stop block 5 is paraffin, insect wax, foamed plastics or resin.Paraffin, insect wax, foamed plastics or resin etc. are all that heat easily melts material, can shorten by rapid melting when valve port 7 of giving vent to anger catches fire.
In order to realize the compact siro spinning technology of gas safety valve and gas inlet pipe, as shown in Figure 1, in the gas safety valve that the embodiment of the present invention provides, the end of described suction valve 1 is provided with gas tank interface glue 18.The end of suction valve 1 is provided with gas tank interface glue 18, thus can prevent the connecting end of gas safety valve and gas inlet pipe to leak air problem, guarantees the Security that gas safety valve uses.
In order to realize closely being connected of gas safety valve and gas inlet pipe, as shown in Figure 1, in the gas safety valve that the embodiment of the present invention provides, the end of described suction valve is provided with screw thread 19, thus can prevent the connecting end of gas safety valve and gas inlet pipe to leak air problem, guarantee the Security that gas safety valve uses further.
Meanwhile, in order to detect gas leakage situation further, thus can find fast and solve leakage problem, as shown in Figure 1, in the gas safety valve that the embodiment of the present invention provides, described safety valve is provided with gas detector, can detect detection gas leakage situation.
Further, as shown in Figure 1, in the gas safety valve that the embodiment of the present invention provides, the outer wall of described suction valve 1 is provided with thermal-protective coating 20, and described thermal-protective coating 20, built with asbestos or sand, improves the effect of heat insulation of gas safety valve at suction port place.
Claims (10)
1. a gas safety valve, comprises suction valve (1) and gas outlet valve (2), it is characterized in that:
Described gas outlet valve (2) comprises the elastic component I (3), piston switch (4), meltable stop block (5) and the switch jacking block (6) that set gradually along outgassing direction; Described piston switch (4) comprises strut (7), piston mandril (8) and connecting rod (9), one end of described strut (7) is installed on by rotating shaft on the inwall of gas outlet valve (2), the other end is connected with connecting rod (9) with piston mandril (8) respectively, wherein piston mandril (8) is fixing with on strut (7), and connecting rod (9) is connected with strut (7) by rotating shaft; Described switch jacking block (6) comprises supporting base (10) and contiguous block (11), and described supporting base (10) is installed on the inwall of gas outlet valve (2), and described contiguous block is installed on supporting base, the end thereof contacts of the other end and connecting rod (9); Described meltable stop block (5) is located at connecting rod (9) both sides or entirety wraps connecting rod (9), between the inwall being positioned at connecting rod (9) and contiguous block (11) and gas outlet valve (2), the connecting rod (9) made by the obstruction of meltable stop block (5) and contiguous block (11) keep coupled condition; The two ends of described elastic component I (3) are installed on gas outlet valve end valve wall (12) and strut (7) one end away from the inwall of gas outlet valve (2) respectively, and elastic component I (3) is in compressive state;
Described suction valve (1) comprises the Decompression valves (13), limiting board (14), piston column (15), the elastic component II (16) that set gradually along airintake direction; Described Decompression valves (13) is divided into upper and lower two parts, and during upper and lower two part occlusions, gas circuit disconnects; Described limiting board (14) is located on Decompression valves (13); On described elastic component II (16) piston set post (15), its one end is fixedly connected with the jacking block (17) on piston column (15), and the other end is fixedly connected with limiting board (14); Described piston column (15) one end contacts with piston mandril (8) end, and the other end is fixedly connected with lower half portion of Decompression valves (13) afterwards through limiting board (14).
2. gas safety valve according to claim 1, is characterized in that: described connecting rod (9) comprises two sections that are mutually flexibly connected, and meltable stop block (5) is at least located at the both sides of this tie point of two sections, or wraps this tie point of two sections.
3. gas safety valve according to claim 1, is characterized in that: at two sections of connecting rod (9) point of contact places, wherein the end of a section is cambered surface spill, and the end of another section is the cambered surface convex matched with spill.
4. gas safety valve according to claim 1, is characterized in that: described connecting rod (9) is cambered surface spill near the end of gas outlet valve (2) mouth; Described contiguous block (11) is spherical for what match.
5. gas safety valve according to claim 1, is characterized in that: described elastic component I (3) and elastic component II (16) are spring.
6. gas safety valve according to claim 1, is characterized in that: the material of described meltable stop block (5) is paraffin, insect wax, foamed plastics or resin.
7. gas safety valve according to claim 1, is characterized in that: the end of described suction valve (1) is provided with gas tank interface glue (18).
8. gas safety valve according to claim 1, is characterized in that: the end of described suction valve (1) is provided with screw thread (19).
9. gas safety valve according to claim 1, is characterized in that: described safety valve is provided with gas detector, can detect detection gas leakage situation.
10. gas safety valve according to claim 1, is characterized in that: the outer wall of described suction valve (1) is provided with thermal-protective coating (20), and described thermal-protective coating (20) is built with asbestos or sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410428988.1A CN104214387B (en) | 2014-08-28 | 2014-08-28 | A kind of gas safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410428988.1A CN104214387B (en) | 2014-08-28 | 2014-08-28 | A kind of gas safety valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104214387A true CN104214387A (en) | 2014-12-17 |
| CN104214387B CN104214387B (en) | 2016-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410428988.1A Active CN104214387B (en) | 2014-08-28 | 2014-08-28 | A kind of gas safety valve |
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| Country | Link |
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| CN (1) | CN104214387B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413159A (en) * | 2020-09-28 | 2021-02-26 | 品风燃气安全科技(广东)有限公司 | Gas safety valve with leakage-proof alarm function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2221693Y (en) * | 1995-07-06 | 1996-03-06 | 高广兴 | Gas safety valve |
| CN2380772Y (en) * | 1998-10-08 | 2000-05-31 | 毛顺发 | Safety intelligent valve for gas |
| JP3365961B2 (en) * | 1998-07-24 | 2003-01-14 | 矢崎総業株式会社 | Pressure regulator with thermal fuse |
| CN102121540A (en) * | 2010-12-09 | 2011-07-13 | 廖新桃 | Self-closing fireproof valve for gas fire protection |
| CN204004654U (en) * | 2014-08-28 | 2014-12-10 | 徐德峰 | A kind of gas safety valve |
-
2014
- 2014-08-28 CN CN201410428988.1A patent/CN104214387B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2221693Y (en) * | 1995-07-06 | 1996-03-06 | 高广兴 | Gas safety valve |
| JP3365961B2 (en) * | 1998-07-24 | 2003-01-14 | 矢崎総業株式会社 | Pressure regulator with thermal fuse |
| CN2380772Y (en) * | 1998-10-08 | 2000-05-31 | 毛顺发 | Safety intelligent valve for gas |
| CN102121540A (en) * | 2010-12-09 | 2011-07-13 | 廖新桃 | Self-closing fireproof valve for gas fire protection |
| CN204004654U (en) * | 2014-08-28 | 2014-12-10 | 徐德峰 | A kind of gas safety valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112413159A (en) * | 2020-09-28 | 2021-02-26 | 品风燃气安全科技(广东)有限公司 | Gas safety valve with leakage-proof alarm function |
| CN112413159B (en) * | 2020-09-28 | 2022-12-27 | 品风燃气安全技术(广东)有限公司 | Gas safety valve with leakage-proof alarm function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104214387B (en) | 2016-11-09 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20141217 Assignee: Guangxi China Polytron Technologies Inc Assignor: Xu Defeng Contract record no.: 2018450000023 Denomination of invention: Gas safety valve Granted publication date: 20161109 License type: Common License Record date: 20180517 |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No.30, group 7, Shangqiao village, yong'anzhou Town, Gaogang District, Taizhou City, Jiangsu Province 225300 Patentee after: Xu Defeng Address before: The deer Village in Lu Chuan county the Guangxi Zhuang Autonomous Region Yulin city guangzhouchina 537717 Chen Village No. 23 Patentee before: Xu Defeng |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210105 Address after: 221400 building B2, science and innovation base, No.9 Zhejiang Road, Xinyi Economic Development Zone, Xuzhou City, Jiangsu Province Patentee after: Jiangsu zhuoken Intellectual Property Operation Co.,Ltd. Address before: No.30, group 7, Shangqiao village, yong'anzhou Town, Gaogang District, Taizhou City, Jiangsu Province 225300 Patentee before: Xu Defeng |