CN203098994U - Magnetic safety lock gas valve - Google Patents

Magnetic safety lock gas valve Download PDF

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Publication number
CN203098994U
CN203098994U CN 201220699249 CN201220699249U CN203098994U CN 203098994 U CN203098994 U CN 203098994U CN 201220699249 CN201220699249 CN 201220699249 CN 201220699249 U CN201220699249 U CN 201220699249U CN 203098994 U CN203098994 U CN 203098994U
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CN
China
Prior art keywords
valve body
magnet
spool
valve
gas valve
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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 - Fee Related
Application number
CN 201220699249
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Chinese (zh)
Inventor
卓旦春
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Jiangsu Wo Hui Industrial Technology Group Limited
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卓旦春
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Publication date
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Priority to CN 201220699249 priority Critical patent/CN203098994U/en
Application granted granted Critical
Publication of CN203098994U publication Critical patent/CN203098994U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a magnetic safety lock gas valve, which belongs to the field of mechanical technology, and solves the problems that an existing gas valve is complex in structure and high in cost. The magnetic safety lock gas valve comprises a valve body, wherein a cavity is arranged in the inner portion of the valve body, an inlet end and an outlet end which are communicated with the cavity are respectively arranged on the two ends of the valve body, the inlet end is used to be connected with a metal pipe, the outlet end is used to be connected with a gas pipe. A seal portion and a valve core which can be moved to the seal portion to form sealing are arranged in the valve body, the valve core is provided with a magnet 1, the valve body is provided with a magnet 2, the same magnetic poles of the magnet 1 and the magnet 2 are relatively arranged, and the valve core has the trend of breaking away from the seal portion under the action of the magnet 1 and the magnet 2. When the pressure of fluid medium is overlarge, the pressure overcomes magnetic force to close a gas valve. The magnetic safety lock gas valve is high in safety and convenient to assemble, and has high practical value.

Description

A kind of magnetic security locking gas valve
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of gas valve, particularly a kind of magnetic security locking gas valve that opens and closes by magnetism controller.
Background technique
Gas valve is a kind of safe match equipment of novel gas pipeline engineering.Be used for blocking, connect, regulating the gas of pipeline, have good control characteristic and close sealability.Be applicable on the multiple combustion gas medium pipelines such as town gas, liquefied petroleum, natural gas, oxygen.
Existing gas valve is the structure that common lever operated spool opens and closes, though this structure can realize switching, and, when air pressure is excessive, do not have protective action.That is to say that gas valve still stayed open when air pressure was excessive, and can not oneself close.
Its publication number of Chinese patent CN101922578A provides " a kind of water backflow preventing automatic closing gas valve that is used for the water heater front end ", it comprises valve body, the control valve rod of vertical installation, the upper and lower of control valve rod is respectively equipped with the upper and lower spool that is slidingly fitted in the valve body, be equipped with magnet steel on upper valve core and the control valve rod, the magnetic force that repels each other of upper valve core and control valve rod is greater than upper valve core weight; The water displacement of lower valve core is greater than own wt; It also discloses and has a kind ofly comprised that aforementioned waterproof pours in down a chimney that the waterproof of gas valve is poured in down a chimney, anti-gas leakage automatic self-closing gas valve, this gas valve also is provided with combustion gas and reveals alarm system, control system, electric drive system, DC electrical source, limit stoper, when combustion gas takes place to leak, this gas valve automatic self-closing gas, after leaking eliminating, can open automatically or manually open.Though its energy water backflow preventing automatic closing gas valve,, upper valve core and lower valve core are set make whole gas valve complex structure, increased cost.
Existing other gas valve also all exists similar problem.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist at prior art, and a kind of stability in use height, magnetic security locking gas valve simple in structure are provided.
The purpose of this utility model can realize by following technical proposal: a kind of magnetic security locking gas valve, comprise the inner valve body of cavity that is, the valve body two ends are respectively entrance point and the outlet end that communicates with its cavity, described entrance point is used for linking to each other with metal tube, described outlet end is used for linking with fuel tube, it is characterized in that, have sealed department in the described valve body and can move to sealed department and the spool of formation sealing, has magnet one on the described spool, have magnet two on the described valve body, the same magnetic pole of magnet one and magnet two is relative and have the trend that breaks away from sealed department at both magnetic force lower valve cores.
Magnet one is relative with the same magnetic pole of magnet two, and therefore, spool is subjected to this magnetic force and has the trend that breaks away from sealed department, thereby guarantees that this gas valve is always open mode.
In case the throughput of passing through is excessive, after overcoming above-mentioned magnetic force, the spool effect of being stressed is resisted against the sealed department place, and gas valve is closed, play the certain protection effect.
In above-mentioned magnetic security locking gas valve, has the guide structure that can make spool translation in valve body between described valve body and the spool.
By guide structure, the translation that spool is stable guarantees that spool moves to the sealed department place at every turn and can both form good sealing.
In above-mentioned magnetic security locking gas valve, described guide structure comprises the guide finger that guiding groove in the valve body and spool sidepiece protrude, and guide finger is positioned at above-mentioned guiding groove place.
Because guiding groove is a straight trough, guiding groove cooperates the translation that can make spool stable with guide finger.
In above-mentioned magnetic security locking gas valve, described guide finger is through on the spool and spool is all stretched out at its two ends, has the guiding groove of twice symmetry in the described valve body, and the two ends of above-mentioned spool lay respectively at corresponding guiding groove place.According to actual conditions, also can guiding groove be set on spool, fixedly connected to the inner side guide finger at valve body.
Certainly, the two ends of guide finger cooperate with corresponding guiding groove respectively, and spool moves more steady.
In above-mentioned magnetic security locking gas valve, described spool comprises columned body, above-mentioned guide finger is positioned at the body middle part and body is stretched out at its two ends, the positive stop end of described body one end for protruding, the body the other end has the sealing seat that can contact and form sealing with above-mentioned sealed department, above-mentioned magnet one is circular and is enclosed within on the body, and magnet one is limited between the above-mentioned positive stop end and guide finger.
As can be seen, magnet one internal diameter is less than the length of positive stop end size and guide finger, therefore, magnet one be limited in above-mentioned between the two can be by coming off on the spool.Certainly, contact with sealed department by sealing seat and can form good sealing, sealing seat is generally plastic materials.
In above-mentioned magnetic security locking gas valve, described valve body comprises valve body one and valve body two, the outer end of described valve body one is to be used for and the entrance point that links to each other with metal tube, the outer end of described valve body two is to be used for the outlet end that links with fuel tube, the inner of described valve body two be enclosed within valve body one inner and both be threaded.
Valve body is a split-type structural, makes parts such as spool can easily pack in the valve body.
In above-mentioned magnetic security locking gas valve, described magnet two is circular and is enclosed within valve body one outside.
Magnet two is connected in the valve body outside, and magnet two is relative with the same magnetic pole of magnet one simultaneously.
In above-mentioned magnetic security locking gas valve, be provided with collar between described valve body one and the valve body two.
Realize being connected between valve body one and the valve body two by collar.
In above-mentioned magnetic security locking gas valve, described sealed department comprises the sealing gasket and the setscrew nut of flexible material, described sealing gasket is tubular and has the retaining edge of protrusion at its sidepiece, and described setscrew nut is threadedly connected to valve body one inboard and the setscrew nut end is pressed on above-mentioned retaining along last.
Sealing gasket is generally rubber material, can form good sealing after sealing seat is in contact with it.Setscrew nut can sealing gasket is stable after being connected in the valve body one the location live.
In above-mentioned magnetic security locking gas valve, described sealing gasket external diameter and setscrew nut internal diameter are complementary and setscrew nut is enclosed within on the sealing gasket.After setscrew nut was pressed in the retaining edge, sealing gasket can not rock.
In above-mentioned magnetic security locking gas valve, have recessed gasket base in the described valve body two, the retaining of above-mentioned sealing gasket is along being positioned at the gasket base place.
Can make the sealing gasket Primary Location by gasket base in the assembly process, and the sealing gasket skew can also be avoided by gasket base, the stability in use of raising gas valve in the assembling back.
Compared with prior art, this magnetic security locking gas valve is owing to make spool break away from sealed department by magnet one and magnet two, and gas valve has the trend of opening all the time.In case when the pressure of flowing medium was excessive, this pressure overcomes magnetic force can make gas valve close, and does not need manually to operate, its Security is than higher.
Simultaneously, the structure of valve body one and valve body two makes that also whole gas valve is easy to assembly, has the higher utility of ratio.
Description of drawings
Fig. 1 is the perspective view of this magnetic security locking gas valve.
Fig. 2 is the sectional structure schematic representation of this magnetic security locking gas valve.
Fig. 3 is the sectional structure schematic representation of this magnetic security locking gas valve other direction.
Fig. 4 is along the A among Fig. 3-A sectional structure schematic representation.
Among the figure, 1, valve body one; 1a, entrance point; 1b, guiding groove; 2, valve body two; 2a, outlet end; 2b, gasket base; 3, collar; 4, magnet one; 5, magnet two; 6, spool; 6a, positive stop end; 6b, sealing seat; 9, guide finger; 10, sealing gasket; 10a, retaining edge; 11, setscrew nut.
Embodiment
As shown in Figure 1, this magnetic security locking gas valve comprises the inner valve body of cavity that is, valve body comprises valve body 1 and valve body 22, the outer end of valve body 1 is to be used for and the entrance point that links to each other with metal tube, the outer end of valve body 22 is to be used for the outlet end 2a that links with fuel tube, the inner of described valve body 22 be enclosed within valve body 1 inner and both be threaded.In order to reach sealing effect, between valve body 1 and valve body 22, be provided with collar 3.
As shown in Figures 2 and 3, have sealed department in the valve body and can move to sealed department and the spool 6 of formation sealing, has magnet 1 on the spool 6, has magnet 25 on the valve body 22, magnet 1 is relative with the same magnetic pole of magnet 25, has the trend of disengaging sealed department at the magnetic force lower valve core 6 of magnet 1 and magnet 25.
As Fig. 2 and shown in Figure 4, has the guide structure that can make spool 6 translation in valve body between valve body 22 and the spool 6.Guide structure comprises the guide finger 9 that guiding groove 1b in the valve body 22 and spool 6 sidepieces protrude, and guide finger 9 is positioned at above-mentioned guiding groove 1b place.In the present embodiment, guide finger 9 is through on the spool 6 and spool 6 is all stretched out at its two ends, has the guiding groove 1b of twice symmetry in the valve body 22, and the two ends of spool 6 lay respectively at corresponding guiding groove 1b place.According to actual conditions, also guiding groove 1b can be set on spool 6, fixedly connected to the inner side guide finger 9 at valve body 22 or valve body 1.
Spool 6 comprises columned body, and guide finger 9 is positioned at the body middle part and body is stretched out at its two ends, and guide finger 9 intersects with the body shaft axis and be vertical.The positive stop end 6a of body one end for protruding, the body the other end has the sealing seat 6b that can contact and form sealing with above-mentioned sealed department.Magnet 1 is circular and is enclosed within on the spool 6, and magnet 1 is limited between above-mentioned the positive stop end 6a and guide finger 9.Magnet 25 is circular and is enclosed within valve body one 1 outsides and both are connected.
Sealed department comprises the sealing gasket 10 and the setscrew nut 11 of flexible material, and the retaining that sealing gasket 10 is tubular and has protrusion at its sidepiece is along 10a, and setscrew nut 11 is threadedly connected to valve body one 1 inboards and setscrew nut 11 ends are pressed on above-mentioned retaining along on the 10a.Sealing gasket 10 external diameters and setscrew nut 11 internal diameters are complementary and setscrew nut 11 is enclosed within on the sealing gasket 10.Have recessed gasket base 2b in the valve body 22, the retaining of above-mentioned sealing gasket 10 is positioned at gasket base 2b place along 10a.
In this magnetic gas valve, magnet 1 is relative with the same magnetic pole of magnet 25, and therefore, spool 6 is subjected to magnetic force all the time, and spool 6 has the trend that breaks away from sealing gasket 10, that is to say that original state is an open mode.
Flowing medium enters in the valve body through entrance point 1a and is discharged by outlet end 2a, when flow is excessive, is resisted against sealing gasket 10 places after spool 6 effect of being stressed overcomes above-mentioned magnetic force.Certainly, spool 6 is resisted against on the sealing gasket 10 by the stable sealing seat 6b that moves on it of guide structure, and sealing seat 6b and sealing gasket 10 form sealing, thereby gas valve is closed.After excessive pressure is removed, reset at magnetic force lower valve core 6, make this gas valve be in open mode again.

Claims (10)

1. magnetic security locking gas valve, comprise the inner valve body of cavity that is, the valve body two ends are respectively entrance point (1a) and the outlet end (2a) that communicates with its cavity, described entrance point (1a) is used for linking to each other with metal tube, described outlet end (2a) is used for linking with fuel tube, it is characterized in that, have sealed department in the described valve body and can move to sealed department and the spool (6) of formation sealing, has magnet one (4) on the described spool (6), have magnet two (5) on the described valve body, the same magnetic pole of magnet one (4) and magnet two (5) is relative and have the trend that breaks away from sealed department at both magnetic force lower valve cores (6).
2. magnetic security locking gas valve according to claim 1 is characterized in that, has the guide structure that can make spool (6) translation in valve body between described valve body and the spool (6).
3. magnetic security locking gas valve according to claim 2, it is characterized in that, described guide structure comprises the guiding groove (1b) in the valve body and the guide finger (9) of spool (6) sidepiece protrusion, and guide finger (9) is positioned at above-mentioned guiding groove (1b) and locates.
4. magnetic security locking gas valve according to claim 3, it is characterized in that, described guide finger (9) is through on the spool (6) and spool (6) is all stretched out at its two ends, the guiding groove (1b) that has the twice symmetry in the described valve body, the two ends of above-mentioned spool (6) lay respectively at corresponding guiding groove (1b) and locate.
5. magnetic security locking gas valve according to claim 3, it is characterized in that, described spool (6) comprises columned body, above-mentioned guide finger (9) is positioned at the body middle part and body is stretched out at its two ends, the positive stop end (6a) of described body one end for protruding, the body the other end has the sealing seat (6b) that can contact and form sealing with above-mentioned sealed department, above-mentioned magnet one (4) is circular and is enclosed within on the body, and magnet one (4) is limited between above-mentioned positive stop end (6a) and the guide finger (9).
6. according to claim 1 or 2 or 3 or 4 or 5 described magnetic security locking gas valves, it is characterized in that, described valve body comprises valve body one (1) and valve body two (2), the outer end of described valve body one (1) is to be used for and the entrance point that links to each other with metal tube (1a), the outer end of described valve body two (2) is to be used for the outlet end (2a) that links with fuel tube, the inner of described valve body two (2) be enclosed within valve body one (1) inner and both be threaded.
7. magnetic security locking gas valve according to claim 6 is characterized in that, described magnet two (5) is circular and is enclosed within valve body one (1) outside.
8. magnetic security locking gas valve according to claim 6 is characterized in that, is provided with collar (3) between described valve body one (1) and the valve body two (2).
9. according to claim 1 or 2 or 3 or 4 or 5 described magnetic security locking gas valves, it is characterized in that, described sealed department comprises the sealing gasket (10) and the setscrew nut (11) of flexible material, the retaining that described sealing gasket (10) is tubular and has protrusion at its sidepiece is along (10a), and described setscrew nut (11) is threadedly connected to valve body one (1) inboard and setscrew nut (11) end is pressed on above-mentioned retaining along on (10a).
10. magnetic security locking gas valve according to claim 9 is characterized in that, described sealing gasket (10) external diameter and setscrew nut (11) internal diameter are complementary and setscrew nut (11) is enclosed within on the sealing gasket (10).
CN 201220699249 2012-12-17 2012-12-17 Magnetic safety lock gas valve Expired - Fee Related CN203098994U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220699249 CN203098994U (en) 2012-12-17 2012-12-17 Magnetic safety lock gas valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220699249 CN203098994U (en) 2012-12-17 2012-12-17 Magnetic safety lock gas valve

Publications (1)

Publication Number Publication Date
CN203098994U true CN203098994U (en) 2013-07-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220699249 Expired - Fee Related CN203098994U (en) 2012-12-17 2012-12-17 Magnetic safety lock gas valve

Country Status (1)

Country Link
CN (1) CN203098994U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109316062A (en) * 2018-10-25 2019-02-12 广东韦博科技有限公司 A kind of mechanical automatically taking water machine
CN116983783A (en) * 2023-09-26 2023-11-03 新乡市华航航空液压设备有限公司 High-efficient high-pressure air filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109316062A (en) * 2018-10-25 2019-02-12 广东韦博科技有限公司 A kind of mechanical automatically taking water machine
CN116983783A (en) * 2023-09-26 2023-11-03 新乡市华航航空液压设备有限公司 High-efficient high-pressure air filter

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: VOLDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD.

Free format text: FORMER OWNER: ZHUO DANCHUN

Effective date: 20140417

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 317608 TAIZHOU, ZHEJIANG PROVINCE TO: 223900 SUQIAN, JIANGSU PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20140417

Address after: Suqian City, Jiangsu province Shuang'gou 223900 west of Sihong County Economic Development Zone No. 388

Patentee after: WOERDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD.

Address before: Taizhou City, Zhejiang province 317608 Yuhuan County Lu Pu Industrial Park Zhejiang world HVAC technology Co Ltd

Patentee before: Zhuo Danchun

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170125

Address after: Jiangdong Road Jianye District of Nanjing City, Jiangsu province 210019 C Wanda Center No. 108 Room 501

Patentee after: Jiangsu Wo Hui Industrial Technology Group Limited

Address before: Suqian City, Jiangsu province Shuang'gou 223900 west of Sihong County Economic Development Zone No. 388

Patentee before: WOERDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130731

Termination date: 20171217

CF01 Termination of patent right due to non-payment of annual fee