CN101639126B - Dual-sealed leakage-proof permanent magnet drive valve - Google Patents
Dual-sealed leakage-proof permanent magnet drive valve Download PDFInfo
- Publication number
- CN101639126B CN101639126B CN200910042258.7A CN200910042258A CN101639126B CN 101639126 B CN101639126 B CN 101639126B CN 200910042258 A CN200910042258 A CN 200910042258A CN 101639126 B CN101639126 B CN 101639126B
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- valve
- detection
- valve pocket
- spring
- diaphragm seal
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- 238000001514 detection method Methods 0.000 claims abstract description 38
- 239000000567 combustion gas Substances 0.000 claims description 10
- 239000000696 magnetic material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 4
- 239000002737 fuel gas Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 8
- 230000007774 longterm Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000018984 mastication Effects 0.000 description 1
- 238000010077 mastication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Magnetically Actuated Valves (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention discloses a dual-sealed leakage-proof permanent magnet drive valve. The valve comprises a valve body, a valve input joint and a valve core controller. The valve body comprises a circular valve cavity and an output joint; the circular valve cavity is equipped with an annular valve seat therein; the valve cavity is divided into a switch valve cavity and a detection valve cavity; a limit spring, a square magnet core, a sealing strip and a spring are successively arranged in the switch valve cavity from the input direction to the output direction, one end of the sealing strip is fixedly connected with the spring, the other end is fixedly connected with the magnetic core; a detection sealing strip and a detection spring are arranged in the detection valve cavity in turn, and a detection valve seat is arranged at the bottom of the detection valve cavity, tension of the detection spring is less than the pressure of fuel gas in the valve cavity; overall length of the limit spring and the magnetic core is more than that of the switch valve cavity, the valve core controller consists of a plurality of arc-shaped magnetic blocks, the arc-shaped magnetic blocks are bonded by low-temperature thermosol into an annular shape, and a limit flange is arranged on the valve body for limiting the valve core controller. The drive valve effectively prevents leakage of fuel gas, and has high reliability.
Description
Technical field
The present invention relates to a kind of gas valve, especially one can prevent gas leakage effectively, and guarantees the normal dual-sealed leakage-proof permanent magnet drive valve of valve opening.
Background technique
Existingly be applied to the valve that the medium fluid such as domestic gas are used, the valve using at present does not have leakage detection function, and stability is bad.Comprise two parts of Chinese patents applying for before the applicant, and all open, the patent No. is respectively 200520055780.6 and 200820188713.5, these two parts of disclosed gas valves of patent only have superpressure, overtemperature overload protection function, do not there is leak detection function, when leakage does not reach set definite value, valve will not closed, and therefore have in use potential safety hazard; And valve seat is the metal protuberance being made into integration with valve body, and diaphragm seal to be rubber material make, because rubber and metal Long Term Contact easily produce Zygosis Phenomenon, the long-term closed condition of valve produces diaphragm seal and metal seat valve Long Term Contact to engage, thereby affect the normal unlatching of valve, reliability is low.
Summary of the invention
The object of the invention is to provide one and effectively prevents gas leakage, the dual-sealed leakage-proof permanent magnet drive valve that reliability is high.
For achieving the above object, the technical solution used in the present invention is: a kind of dual-sealed leakage-proof permanent magnet drive valve comprises the valve body that manufactured by magnetic material by non-, valve input adapter, and be enclosed within the spool controller on valve body, described valve body comprises circular valve pocket and out splice going splice, in circular valve pocket, be provided with ring-type valve seat, valve pocket is divided into switch valve pocket and detects valve pocket, in switch valve pocket, from being input to outbound course, be provided with successively limit spring, square core, diaphragm seal and spring, diaphragm seal one end is fixedly connected with spring, the other end is fixedly connected with magnetic core, in detection valve pocket, be provided with successively and detect diaphragm seal and detection springs, detect valve pocket bottom and be provided with the detection valve seat corresponding with diaphragm seal, the tension force of described detection springs is less than the pressure of valve pocket combustion gas, the total length of described limit spring and magnetic core is greater than the length of described switch valve pocket, the length of described detection springs is greater than the total length that detects valve pocket and out splice going splice inner chamber, described spool controller is to consist of polylith arc magnetic patch, between arc magnetic patch by the gluing ring-type that is connected into of thermal-dissolving way at low temperature, on valve body, be provided with the defining flange for limiting above-mentioned spool controller.
When described magnetic core is installed with spool controller, polarity is identical.
The quantity of described arc magnetic patch is two or more than two.
Described valve joint is connected with valve body screw thread, and this Placement is convenient, and easy installation and removal is convenient to change the cushion block being worn, and has avoided changing the high problem of valve body cost.
The utility model adopts after said structure, by double-sealing chip architecture is set, while normally closing, spool controller action is pushed magnetic core to valve seat, diaphragm seal is close to valve seat, and the spring tension effect being connected with diaphragm seal pushes detect detection diaphragm seal to valve seat, double seal is effective, and diaphragm seal is fixedly connected with magnetic core, during unlatching, can pull diaphragm seal by magnetic core, thereby realize valve, normally open, reliability is high, thereby avoided gas pressure to cause detecting diaphragm seal, produces and engages the normal unlatching that affects valve with detection valve seat Long Term Contact; And detection springs tension force is less than valve pocket gaseous-pressure, when when pipeline occurs to leak, the pressure of the output section of valve body is less than the pressure in valve pocket, therefore, the pressure of combustion gas pushes detect detection diaphragm seal to valve seat, detect diaphragm seal and be close to detection valve seat, valve closing, can prevent gas leakage effectively; Setting forms spool controller by polylith arc magnetic patch, between arc magnetic patch by the gluing ring-type that is connected into of thermal-dissolving way at low temperature, therefore have overtemperature prote, when occurring fire, valve body temperature rise is to setting temperature, the thermal-dissolving way at low temperature gum softening of spool controller dissolves, arc magnetic patch separates, and departs from valve body, and magnetic core loses spool controller repulsion, recovery nature in limit spring is pushed rapidly diaphragm seal to valve seat, valve closing; Because spool, spool controller have interaction force, the motion of the repulsive force control spool that the magnetic core by spool controller and spool produces, thus complete the switch of valve, operation is very easy.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is closed condition schematic diagram of the present invention;
Fig. 2 is the structural representation of valve body of the present invention and valve joint;
Fig. 3 is the structural representation of spool controller of the present invention;
Fig. 4 is opening state figure of the present invention.
In figure: 1 valve body, 11 valve pockets, 111 switch valve pockets, 112 detect valve pocket, 12 out splice going splices, 2 valve input adapters, 3 spool controllers, 31 arc magnetic patch, 32 Low Temperature Thermal colloidal sols, 4 valve seats, 5 limit spring, 6 magnetic cores, 7 diaphragm seals, 8 springs, 9 detect diaphragm seal, 10 detection springs, 13 detect valve seat, 14 defining flanges.
Embodiment
Fig. 1, 2, 3, shown in 4 and 5, dual-sealed leakage-proof permanent magnet drive valve of the present invention comprises the valve body 1 that manufactured by magnetic material by non-, valve input adapter 2, and be enclosed within the spool controller 3 on valve body 1, described valve body 1 comprises circular valve pocket 11 and out splice going splice 12, in circular valve pocket 11, be provided with ring-type valve seat 4, valve pocket 11 is divided into switch valve pocket 111 and detects valve pocket 112, in switch valve pocket 111, from being input to outbound course, be provided with successively limit spring 5, square core 6, diaphragm seal 7 and spring 8, diaphragm seal 7 one end are fixedly connected with spring 8, the other end is fixedly connected with magnetic core 7, in detection valve pocket 112, be provided with successively and detect diaphragm seal 9 and detection springs 10, detect valve pocket 112 bottoms and be provided with the detection valve seat 13 corresponding with diaphragm seal 9, the tension force of described detection springs 10 is less than the pressure of valve pocket combustion gas, the total length of described limit spring 5 and magnetic core 6 is greater than the length of described switch valve pocket 111, the length of described detection springs 10 is greater than the total length that detects valve pocket 112 and out splice going splice 12 inner chambers, described spool controller 3 is to consist of three arc magnetic patch 31, circlewise bonding by Low Temperature Thermal colloidal sol 32 between arc magnetic patch 31, on valve body 1, be provided with the defining flange 14 for limiting above-mentioned spool controller 3.When described magnetic core 7 is installed with spool controller 3, polarity is identical, and described valve joint 2 is threaded with valve body 1, and installing/dismounting is very convenient.Between valve joint 2 and valve body 1, be provided with filter screen.
In conjunction with Fig. 1 and 4, illustrate working principle of the present invention.
Figure 4 shows that the normal opening state of valve.Now, spool controller 3 moves on to the right, magnetic core 6 is subject to the homopolar-repulsion active force of spool controller 3 to be pushed to the left side, limit spring 5 is compressed, diaphragm seal 7 is moved to the left side by magnetic core 6 and is lifted off a seat 4, and spring 8 is pulled to the left side simultaneously, removes detecting diaphragm seal 9 pressure, detect diaphragm seal 9 and push away and detect valve seat 13 in detection springs 10 tension force effects, thereby open valve.
Figure 1 shows that the normal closed condition of valve.Now, spool controller 3 moves on to the left side, magnetic core 6 is subject to the homopolar-repulsion active force of spool controller 3 to be pushed to the right, and diaphragm seal 7 is pushed to valve seat 4 by magnetic core 6, thus throttle down, spring 8 is compressed simultaneously, its tension force is pushed detection diaphragm seal 9 to the right and is close to detection valve seat 13, has tension force to maintain an equal level with spring 8 tension force because detection springs 10 is compressed, detects diaphragm seal 9 and detects between valve seat 13 without active force, avoided occurring Zygosis Phenomenon between them, guaranteed the normal unlatching of valve.
When valve is during in opening state, if leaking appears in combustion gas, because the tension force of detection springs 10 is less than switch valve pocket 111 gaseous-pressures, combustion gas is passed from the gap between circular valve pocket 11 and square core, walk around again diaphragm seal 7, the pressure of combustion gas is pushed detection diaphragm seal 9 to the right and is close to detection valve seat 13, valve closing.Now, must need professional workforce to check pipeline, guarantee under the prerequisite of not leaking, valve just can be opened and normally use combustion gas, thereby effectively detects and prevent the problem of gas leakage.
When valve is during in closed condition, spool controller 3 is pushed to the right, magnetic core 6 is shifted to the left side, drive diaphragm seal 7 to shift to the left side, detecting diaphragm seal 9 when initial is in closed condition with detecting valve seat 13, detect diaphragm seal 9 and detect between valve seat 13 and only have micro-leakage, if leaking appears in output pipeline or stove and accessory, the combustion gas air pressure that detects diaphragm seal 9 the right is always zero-pressure, because detection springs 10 tension force are less than the pressure of valve pocket 11 combustion gas, therefore, detect diaphragm seal 9 and be close to all the time and detect valve seat 13, be that valve is closed all the time, cannot Open valve.Now, guarantee after needing professional workforce to overhaul under leakage situation, can use not occurring.
No matter valve is in opening or closed condition, when valve is in hot environment, the Low Temperature Thermal colloidal sol 32 of spool controller 3 is dissolved by hot mastication, the polylith arc-shaped magnet 31 of spool controller 3 disconnects, spool controller 3 departs from valve body 1, magnetic core 6 is removed by the active force of spool controller 3, because limit spring 5 and magnetic core 6 natural lengths are greater than the length of switch valve pocket 111, limit spring is recovered natural length, push magnetic core 6 and diaphragm seal 7 to the right, diaphragm seal 7 is close to valve seat 4, valve closing, thus reach the effect that overtemperature is closed automatically.
Claims (4)
1. a dual-sealed leakage-proof permanent magnet drive valve, it comprises the valve body (1) that manufactured by magnetic material by non-, valve input adapter (2), and be enclosed within the spool controller (3) on valve body (1), described valve body (1) comprises circular valve pocket (11) and out splice going splice (12), it is characterized in that: in circular valve pocket (11), be provided with ring-type valve seat (4), valve pocket (11) is divided into switch valve pocket (111) and detects valve pocket (112), in switch valve pocket (111), from being input to outbound course, be provided with successively limit spring (5), square core (6), diaphragm seal (7) and spring (8), diaphragm seal (7) one end is fixedly connected with spring (8), the other end is fixedly connected with magnetic core (6), in detection valve pocket (112), be provided with successively and detect diaphragm seal (9) and detection springs (10), detect valve pocket (112) bottom and be provided with the detection valve seat (13) corresponding with diaphragm seal (9), the tension force of described detection springs (10) is less than the pressure of valve pocket combustion gas, the total length of described limit spring (5) and magnetic core (6) is greater than the length of described switch valve pocket (111), the length of described detection springs (10) is greater than the total length that detects valve pocket (112) and out splice going splice (12) inner chamber, described spool controller (3) is to consist of polylith arc magnetic patch (31), circlewise bonding by Low Temperature Thermal colloidal sol (32) between arc magnetic patch (31), on valve body (1), be provided with the defining flange (14) for limiting above-mentioned spool controller (3).
2. dual-sealed leakage-proof permanent magnet drive valve according to claim 1, is characterized in that: when described magnetic core (6) is installed with spool controller (3), polarity is identical.
3. dual-sealed leakage-proof permanent magnet drive valve according to claim 1, is characterized in that: the quantity of described arc magnetic patch (31) is two or more than two.
4. dual-sealed leakage-proof permanent magnet drive valve according to claim 1, is characterized in that: described valve input adapter (2) is threaded with valve body (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910042258.7A CN101639126B (en) | 2009-08-28 | 2009-08-28 | Dual-sealed leakage-proof permanent magnet drive valve |
| HK10103673.6A HK1138897A1 (en) | 2009-08-28 | 2010-04-15 | Double sealed anti-leak permanent magnet drive valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910042258.7A CN101639126B (en) | 2009-08-28 | 2009-08-28 | Dual-sealed leakage-proof permanent magnet drive valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101639126A CN101639126A (en) | 2010-02-03 |
| CN101639126B true CN101639126B (en) | 2014-05-07 |
Family
ID=41614243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910042258.7A Expired - Fee Related CN101639126B (en) | 2009-08-28 | 2009-08-28 | Dual-sealed leakage-proof permanent magnet drive valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101639126B (en) |
| HK (1) | HK1138897A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963253B (en) * | 2010-11-05 | 2013-07-10 | 廖新桃 | Push-type multifunctional overflow-preventing fuel gas safety valve |
| CN103438257B (en) * | 2013-09-10 | 2015-10-28 | 许道泽 | A kind of without ball core gas valve |
| CN106090372B (en) * | 2016-08-22 | 2018-08-31 | 黄文辉 | A kind of air valve |
| CN106439147A (en) * | 2016-11-22 | 2017-02-22 | 厦门唯美创阀门科技有限责任公司 | Valve element controller with over-temperature protection function and safety valve |
| WO2018218569A1 (en) * | 2017-06-01 | 2018-12-06 | 白翼志 | Safety device |
| CN107725853B (en) * | 2017-11-14 | 2023-12-05 | 吉林大学 | Pressure-based flow self-regulating control valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385164Y (en) * | 1998-09-13 | 2000-06-28 | 张晓光 | Timing permanent-magnetic leak-proof valve |
| CN2802208Y (en) * | 2005-03-18 | 2006-08-02 | 吕炳权 | Safety leakage permanent-magnet driving valve |
| CN101440876A (en) * | 2007-10-04 | 2009-05-27 | G.卡梯埃技术公司 | Balanced pressure flap gate |
| CN201259002Y (en) * | 2008-08-15 | 2009-06-17 | 吕宇峰 | Improved safety non-leakage permanent magnet drive valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7219695B2 (en) * | 2005-06-17 | 2007-05-22 | General Motors Corporation | Hydrogen valve with pressure equalization |
-
2009
- 2009-08-28 CN CN200910042258.7A patent/CN101639126B/en not_active Expired - Fee Related
-
2010
- 2010-04-15 HK HK10103673.6A patent/HK1138897A1/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385164Y (en) * | 1998-09-13 | 2000-06-28 | 张晓光 | Timing permanent-magnetic leak-proof valve |
| CN2802208Y (en) * | 2005-03-18 | 2006-08-02 | 吕炳权 | Safety leakage permanent-magnet driving valve |
| CN101440876A (en) * | 2007-10-04 | 2009-05-27 | G.卡梯埃技术公司 | Balanced pressure flap gate |
| CN201259002Y (en) * | 2008-08-15 | 2009-06-17 | 吕宇峰 | Improved safety non-leakage permanent magnet drive valve |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1138897A1 (en) | 2010-09-03 |
| CN101639126A (en) | 2010-02-03 |
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