CN202790762U - Fuel gas self-closing valve - Google Patents
Fuel gas self-closing valve Download PDFInfo
- Publication number
- CN202790762U CN202790762U CN 201220406850 CN201220406850U CN202790762U CN 202790762 U CN202790762 U CN 202790762U CN 201220406850 CN201220406850 CN 201220406850 CN 201220406850 U CN201220406850 U CN 201220406850U CN 202790762 U CN202790762 U CN 202790762U
- Authority
- CN
- China
- Prior art keywords
- valve
- magnet
- spring
- spring seat
- inlet cavity
- 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 - Lifetime
Links
- 239000002737 fuel gas Substances 0.000 title abstract 3
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 230000009993 protective function Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 15
- 239000003034 coal gas Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model discloses a fuel gas self-closing valve which comprises a valve body, an outer magnet pushing ring and an overtemperature device, and the outer magnet pushing ring and the overtemperature device are arranged on the outer side of the valve body which is a non-magnetic piece; an air inlet cavity, a valve cavity and an air outlet pipeline section are formed in the valve body and communicated with one another in sequence, and the inner diameters of the air inlet cavity, the valve cavity and the air outlet pipeline section are gradually decreased; internal threads are arranged on the inner wall of the air inlet cavity; the self-closing valve further comprises a magnet, a sealing piece, a return spring, a spring seat, and an overflowing device and an overflowing device fixing seat; a big head end and a small head end are arranged on the spring seat, the big head end of the spring seat is located in the air inlet cavity, and the small head end of the spring seat extends into the valve cavity; and the overflowing device fixing seat is connected with the inner wall of the air inlet cavity through threads, the overflowing device is fixed in a through hole of the overflowing device fixing seat, the return spring is located between the overflowing device and the spring seat, and the sealing piece and the magnet are fixedly connected as a whole and mounted in the valve cavity. The fuel gas self-closing valve is good in sealing performance, convenient to assemble, good in resetting performance, safe and reliable, reduces cost, and has an overflowing protective function.
Description
Technical field
The utility model relates to the gas valve technical field, is a kind of technology of gas self-closing valve specifically.
Background technique
Existing gas valve mostly is stopcock on the market, come the unlatching of control valve or close by the manual rotation cock, after the long-term use of this valve, cock and valve body are bonded together can't be opened, motionless and the out of hand effect of cock rotation, and when air feed went wrong such as superpressure, super flow, its terminal air hose that connects easily came off, because can't automatically cutting off source of the gas, very easily cause danger.The gas valve that a kind of superpressure, super stream protection had occurred afterwards, this fuel tube valve, the technological scheme that adopts is: an end of gas kitchen pipe joint is screwed into the outlet side of valve body, two valve base chambers of body cavity have spherical valve, in the sleeve on its top valve rod is installed, knob is fixed on valve rod top, inner chamber at gas kitchen pipe joint, the setting sleeve of opening subtend valve seat is installed, one end of setting sleeve subtend gas kitchen pipe joint air inlet has center hole, and the nearly center of the sleeve nose end that is extended down to setting sleeve around the hole has inlet hole; The modulating valve that is installed in the interior bar of spherical shell and spherical shell composition is slidably mounted in the setting sleeve, setting sleeve stretches out in its bar section, top band one gear platform, it is the angle of swing of control handle that handle cover between gear platform and setting sleeve has Compress Spring, can open a fan-shaped restraining groove at the sleeve on valve body top, position limit pin laterally is fixed on the valve rod by restraining groove, one modulating valve that can slide at setting sleeve is arranged in the setting sleeve that the inner chamber of gas kitchen pipe joint is installed, the shank cover of modulating valve has Compress Spring, when the air feed superpressure, during super flow, combustion gas is pushed modulating valve to valve seat orifice by its spherical shell and it is blocked, and has solved the problem that the air hose that is positioned on the valve body end easily comes off and causes danger; When air demand is normal, under the effect of spring, withdraw from modulating valve, valve seat orifice is opened, thereby plays the effect that air feed is regulated automatically.Although this valve has solved some defectives of stopcock; have simultaneously superpressure, super traffic protection; but being modulating valve, this superpressure, super flow rate protective device in a single day occur when stuck; just can not automatically reset; must dismounting reset; if the phenomenon that combustion gas leaks easily occurs in the time of also can producing assembly failure in regular dismounting, cause potential safety hazard.This valve adopts original knob valve rod when driving valve simultaneously, some defectives of stopcock equally also can occur.
Summary of the invention
The purpose of this utility model provides a kind of good airproof performance, and is easy to assembly, can play a very good protection when air-flow occurs, and reseting performance is good and safe and reliable, reduces the gas self-closing valve of cost.
A kind of gas self-closing valve, comprise that valve body and the external magnet that is installed in the valve body outside promote ring and superheating device, valve body is the non-magnetic spare that is subjected to that forms by the manufacturing of a material idiosome, in valve body, form and be interconnected successively and air-inlet cavity that internal diameter reduces successively, valve pocket and outlet pipe section, the air-inlet cavity inwall is provided with internal thread, described self closing stop valve also comprises magnet, Sealing, return spring, spring seat, be provided with overflow means fixed base and the overflow means of through hole, spring seat is provided with stub end and little head end, the spring seat stub end is positioned at air-inlet cavity, little head end stretches into valve pocket, the overflow means fixed base is threaded with internal thread on the air-inlet cavity inwall, overflow means is fixed in the through hole of overflow means fixed base, return spring is characterized in that between overflow means and spring seat: described Sealing and magnet are fixedly connected to form an integral installation in valve pocket.
Described Sealing is placed in the front portion of magnet, and perhaps described Sealing is wrapped in the outer surface of magnet.
Described Sealing is a band part moulding, is magnet with the band spare in the part moulding.
Also be provided with the unlatching spring chamber between described valve pocket and the outlet pipe section.
Described spring seat is a plastics spring seat, and superheating device comprises overtemperature spring, overtemperature circle, and overtemperature spring, overtemperature circle are fixed on the outside of unlatching spring chamber and an end of close valve pocket by jump ring.
The utility model compared with prior art has the following advantages.
The utility model is owing to processing on air-inlet cavity, valve pocket, unlatching spring chamber and the outlet pipe Duan Zaiyi material idiosome in the valve body, so can guarantee the sealability at each cavity connection bit place.Namely consist of spool with the Sealing of magnet owing to be fixedly connected to form an integral body between the Sealing in the self closing stop valve and the magnet, saved the unlatching spring, that is to say that self closing stop valve comprises return spring, spring seat, overflow means, be provided with the overflow means fixed base of through hole and with the Sealing of magnet, assemble easier, and reduced cost, overflow means action when air-flow is excessive, closing passage, stir external magnet this moment and promote ring to closed condition, magnet promotes spring seat simultaneously, then open overflow means, make the self closing stop valve overflow means in opened condition, it is close valve state that whole valve is in dormant state, when needing to use coal gas, just coal gas can have been used as long as stir external magnet promotion ring to open mode, this shows that self closing stop valve described in the utility model is high except sealing, eliminated outside the potential safety hazard that whole air valve brings to the user aspect tightness, also have automatic recovery closed condition to the function of opening state when closing valve, namely the overflow means performance that automatically resets is good.
Description of drawings
Fig. 1 is the utility model gas self-closing valve example structure schematic representation;
Fig. 2 is the valve body example structure schematic representation of the utility model coal gas self closing stop valve.
Embodiment
Below in conjunction with accompanying drawing the utility model gas self-closing valve is described in further detail.Such as Fig. 1, Fig. 2, the utility model gas self-closing valve comprises that valve body 1 and the external magnet that is installed in the valve body outside promote ring 3, superheating device, magnet 2, Sealing 6, return spring 9, spring seat 4, the overflow means fixed base 11 that is provided with through hole and overflow means 5.Wherein be fixedly connected to form an integral body between Sealing 6 and the magnet 2 and consist of spool, specifically, Sealing 6 is placed in the front portion of magnet 2, perhaps Sealing 6 is wrapped in the outer surface of magnet 2, during making, Sealing 6 is a band part moulding, and magnet 2 is with the band spare in the part moulding.Valve body 1 is the non-magnetic spare that is subjected to that forms by the manufacturing of a material idiosome, in valve body 1, form and be interconnected successively and air-inlet cavity 101 that internal diameter reduces successively, valve pocket 102, open spring chamber 103, outlet pipe section 104, be provided with internal thread at air-inlet cavity 11 inwalls.Superheating device comprises overtemperature spring 7, overtemperature circle 8, overtemperature spring 7, overtemperature circle 8, and superheating device is fixed on the outside of unlatching spring chamber and an end of close valve pocket by jump ring 10.Open spring chamber 103 when arranging, like this can be directly general with existing valve body; When unlatching spring chamber 103 is not set, this section directly forms feed channel section 104 so, the mounting point of superheating device is described constant with the front, spring seat 4 is provided with stub end and little head end, the stub end of spring seat 4 is positioned at air-inlet cavity 101, little head end stretches into valve pocket 102, aforementioned Sealing 6 with magnet 2 is that spool is positioned at valve pocket 102 and directly is connected with spring seat 4, overflow means fixed base 11 is threaded with internal thread on the air-inlet cavity inwall, overflow means 5 is fixed in the through hole of overflow means fixed base 11, one end of return spring 9 is connected with overflow means 5, and the other end is connected with spring seat 4.Spring seat 4 is a plastics spring seat.Wherein arranging of superheating device can also be other scheme.Magnet 2 can be the magnet of square magnet or other shape.
When air-flow is excessive, overflow means 5 actions, closing passage, stir external magnet this moment and promote ring 3 to closed condition, magnet 2 promotes spring seat 4 simultaneously, then opens overflow means 5, make the overflow means of self closing stop valve in opened condition, it is close valve state that whole valve is in dormant state; When need using coal gas, promote ring 3 and just can use coal gas to open mode as long as stir external magnet.Self closing stop valve described in the utility model is high except sealing, eliminated outside the potential safety hazard that whole air valve brings to the user aspect tightness, also having automatic flow recovery device causes closed condition because air-flow is excessive function when closing valve, namely is automatically to make overflow means by the function of closed condition to opening state.
Claims (5)
1. gas self-closing valve, the external magnet that comprises valve body (1) and be installed in valve body (1) outside promotes ring (3) and superheating device, valve body (1) is the non-magnetic spare that is subjected to that forms by the manufacturing of a material idiosome, in valve body (1), form and be interconnected successively and air-inlet cavity that internal diameter reduces successively, valve pocket and outlet pipe section, the air-inlet cavity inwall is provided with internal thread, described gas self-closing valve also comprises magnet (2), Sealing (6), return spring (9), spring seat (4), overflow means (12) and be provided with the overflow means fixed base (11) of through hole, spring seat (4) is provided with stub end and little head end, spring seat (4) stub end is positioned at air-inlet cavity, little head end stretches into valve pocket, overflow means fixed base (11) is threaded with internal thread on the air-inlet cavity inwall, overflow means (12) is fixed in the through hole of overflow means fixed base (11), return spring (9) is positioned between overflow means (12) and the spring seat (4), it is characterized in that: described Sealing (6) is fixedly connected to form an integral installation in valve pocket with magnet (2).
2. gas self-closing valve according to claim 1, it is characterized in that: described Sealing (6) is placed in the front portion of magnet (2), and perhaps described Sealing (6) is wrapped in the outer surface of magnet (2).
3. gas self-closing valve according to claim 1 is characterized in that: described Sealing (6) is a band part moulding, is magnet (2) with the band spare in the part moulding.
4. gas self-closing valve according to claim 1 is characterized in that: also be provided with the unlatching spring chamber between described valve pocket and the outlet pipe section.
5. gas self-closing valve according to claim 4, it is characterized in that: described spring seat (4) is a plastics spring seat, superheating device comprises overtemperature spring (7), overtemperature circle (8), and overtemperature spring (7), overtemperature circle (8) are fixed on the outside of unlatching spring chamber and an end of close valve pocket by jump ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220406850 CN202790762U (en) | 2012-08-16 | 2012-08-16 | Fuel gas self-closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220406850 CN202790762U (en) | 2012-08-16 | 2012-08-16 | Fuel gas self-closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790762U true CN202790762U (en) | 2013-03-13 |
Family
ID=47818026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220406850 Expired - Lifetime CN202790762U (en) | 2012-08-16 | 2012-08-16 | Fuel gas self-closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790762U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2562712C2 (en) * | 2014-02-05 | 2015-09-10 | Общество с ограниченной ответственностью "ВОРМХОЛС" | Magnetic valve used during production and treatment of liquid and gaseous mineral resources |
| CN107061826A (en) * | 2017-06-13 | 2017-08-18 | 邹启榆 | A kind of gas self-closing valve |
| CN107940095A (en) * | 2017-12-28 | 2018-04-20 | 邹启榆 | A kind of multifunctional fuel self-closing valve |
| WO2018218569A1 (en) * | 2017-06-01 | 2018-12-06 | 白翼志 | Safety device |
| CN112253830A (en) * | 2020-09-10 | 2021-01-22 | 高明 | Timed household gas safety valve |
-
2012
- 2012-08-16 CN CN 201220406850 patent/CN202790762U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2562712C2 (en) * | 2014-02-05 | 2015-09-10 | Общество с ограниченной ответственностью "ВОРМХОЛС" | Magnetic valve used during production and treatment of liquid and gaseous mineral resources |
| WO2018218569A1 (en) * | 2017-06-01 | 2018-12-06 | 白翼志 | Safety device |
| CN107061826A (en) * | 2017-06-13 | 2017-08-18 | 邹启榆 | A kind of gas self-closing valve |
| CN107940095A (en) * | 2017-12-28 | 2018-04-20 | 邹启榆 | A kind of multifunctional fuel self-closing valve |
| CN107940095B (en) * | 2017-12-28 | 2023-09-22 | 邹启榆 | Multifunctional gas self-closing valve |
| CN112253830A (en) * | 2020-09-10 | 2021-01-22 | 高明 | Timed household gas safety valve |
| CN112253830B (en) * | 2020-09-10 | 2022-04-12 | 台州康格燃气科技有限公司 | Timed household gas safety valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Liao Xintao Document name: Notice of Expiration and Termination of Patent Right |
|
| DD01 | Delivery of document by public notice |