CN204664540U - Gas emergency cut-off magnetic valve - Google Patents
Gas emergency cut-off magnetic valve Download PDFInfo
- Publication number
- CN204664540U CN204664540U CN201520254040.9U CN201520254040U CN204664540U CN 204664540 U CN204664540 U CN 204664540U CN 201520254040 U CN201520254040 U CN 201520254040U CN 204664540 U CN204664540 U CN 204664540U
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- China
- Prior art keywords
- valve
- iron core
- dynamic iron
- valve rod
- supporting sleeve
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Abstract
The utility model relates to a kind of gas emergency cut-off magnetic valve, comprise valve body, valve gap, valve gap connects a valve rod supporting sleeve, be slidably matched in valve rod supporting sleeve a valve rod, the lower end of this valve rod extends in valve body, be fixedly connected with a valve plate, a valve plate Returnning spring is provided with between valve plate and valve gap, the radial direction of valve rod supporting sleeve arranges an emergency shutoff device, emergency shutoff device comprises without magnetic tube, dynamic iron core, fixed core, coil, fixed core is fixed in the pore without magnetic tube, the axis hole of dynamic iron core and fixed core is slidably matched, move and between iron core and fixed core, be provided with dynamic iron core return-spring, the front end of dynamic iron core is inserted the annular groove of valve rod from the radial direction of valve rod supporting sleeve and is formed valve opening location, coil encircling is without on the outer wall of magnetic tube, this coil is electrically connected with an energy-storage module.The utility model in case of emergency can realize automatically fast quick-closing valve, and can manual valve opening and manually close valve.
Description
Technical field
The utility model relates to solenoid valve market, particularly a kind of gas emergency cut-off magnetic valve.
Background technique
For guarantee safety, the pipeline of conveying flammable explosive gas must install Emergeny Cutoff Valves, when meeting with emergency episode, energy closing duct in time, spreads to avoid Accidents Disasters.The cut-off valve of current use is divided into hand off valve and electronic cut-off valve, hand off valve needs manual operation, hand off valve in case of emergency cannot quick closedown, Field Force also may because of mal-condition cannot near cut-off valve, cause hand off valve cannot closing duct in time, the object of emergency cut-off pipeline cannot be played; Electronic cut-off valve relies on external power to start, and carry the pipeline of flammable explosive gas when there is emergency, for preventing electrical spark from may ignite combustion gas, need first cut off the electricity supply, electronic cut-off valve cannot normally work, and causes electronic cut-off valve cannot realize the object of emergency cut-off pipeline.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provides a kind of gas emergency cut-off magnetic valve, in case of emergency can realize automatically fast quick-closing valve, and can manual valve opening and manually close valve.
The technical solution of the utility model is: a kind of gas emergency cut-off magnetic valve, comprise valve body, valve gap, be threaded in the center hole of described valve gap a vertical valve rod supporting sleeve, be slidably matched in valve rod supporting sleeve a valve rod, the lower end of this valve rod extends in valve body, be fixedly connected with for the valve plate of closing with open valve port with one, on valve rod between described valve plate and valve gap, cover has a valve plate Returnning spring, stretch out valve rod supporting sleeve outside the upper end of described valve rod and be provided with pull handle, the stage casing of described valve rod is provided with the annular groove for opening location, the radial direction of described valve rod supporting sleeve arranges an emergency shutoff device, described emergency shutoff device comprises without magnetic tube, dynamic iron core, fixed core, coil, be arranged in the housing of emergency shutoff device without magnetic tube, fixed core is fixed in the pore without magnetic tube, the axis hole of dynamic iron core and fixed core is slidably matched, move and between iron core and fixed core, be provided with dynamic iron core return-spring, the front end of dynamic iron core is inserted the annular groove of valve rod from the radial direction of valve rod supporting sleeve and is formed valve opening location, described coil encircling is without on the outer wall of magnetic tube, this coil is electrically connected with an energy-storage module.
Described dynamic iron core is multidiameter shaft, and the two ends of described fixed core axis hole are shoulder hole, between the hole of the shaft shoulder and fixed core that dynamic iron core return-spring is arranged on dynamic iron core is takeed on.
Stretch out without magnetic tube outside the path section of described dynamic iron core, this extending end is provided with screw thread, and the position of the dynamic iron core extending end of housing correspondence of emergency shutoff device is threaded connection a manual protective housing, and this manual protective housing is provided with the tapped hole corresponding with dynamic iron core extending end.
In the shoulder hole of described fixed core tail end, seal ring is installed, and is compressed by the first gland nut.
The position be positioned in described valve body below valve port is provided with a setting sleeve, and one end of a positioning rod is fixedly connected with valve plate, and the other end of positioning rod is slidably fitted in setting sleeve.
The top and bottom of described valve rod supporting sleeve axis hole are shoulder hole, are separately installed with a seal ring in the upper end of valve rod supporting sleeve axis hole, lower end, compress respectively by the second gland nut, the 3rd gland nut.
The sidewall of described valve rod supporting sleeve is provided with the through hole inserted for dynamic iron core, is provided with seal ring between this through hole and housing of emergency shutoff device.
Described valve gap is fixed on valve body by valve gap clamping bolt, is provided with seal ring between valve gap and valve body.
The upper end of described valve rod supporting sleeve is provided with valve stem boot by screw thread.
Adopt technique scheme: a kind of gas emergency cut-off magnetic valve, comprise valve body, valve gap, be threaded in the center hole of described valve gap a vertical valve rod supporting sleeve, be slidably matched in valve rod supporting sleeve a valve rod, the lower end of this valve rod extends in valve body, be fixedly connected with for the valve plate of closing with open valve port with one, on valve rod between described valve plate and valve gap, cover has a valve plate Returnning spring, valve plate declines and hides valve port, solenoid valve is in closed condition, combustion gas cannot pass through valve port, valve plate climbs away valve port, solenoid valve is in opening state, combustion gas is passed through smoothly by valve port.Stretch out valve rod supporting sleeve outside the upper end of described valve rod and be provided with pull handle, after gas emergency cut-off magnetic valve is closed, manually need pull pull handle, could realize again opening gas emergency cut-off magnetic valve, ensure the safety of conveyance conduit.The stage casing of described valve rod is provided with the annular groove for opening location, the radial direction of described valve rod supporting sleeve arranges an emergency shutoff device, described emergency shutoff device comprises without magnetic tube, dynamic iron core, fixed core, coil, be arranged in the housing of emergency shutoff device without magnetic tube, fixed core is fixed in the pore without magnetic tube, the axis hole of dynamic iron core and fixed core is slidably matched, move and between iron core and fixed core, be provided with dynamic iron core return-spring, the front end of dynamic iron core is inserted the annular groove of valve rod from the radial direction of valve rod supporting sleeve and is formed valve opening location, described coil encircling is without on the outer wall of magnetic tube, this coil is electrically connected with an energy-storage module, when coil is not charged, dynamic do not have mutual attractive force between iron core and fixed core, dynamic iron core inserts in the annular groove of valve rod under the elastic force effect of dynamic iron core return-spring, gas emergency cut-off magnetic valve is in opening state, combustion gas normal through, when there is power-off or receive pass valve signal, energy-storage module is to coil charges, fixed core and dynamic iron core attract each other, the dynamic iron core return-spring of dynamic iron core compression, the front end of dynamic iron core is exited from the annular groove of valve rod, valve plate hides valve port in the active force decline of gravity and valve plate Returnning spring, combustion gas cannot be passed through, realize the object of fast quick-closing valve automatically.
Described dynamic iron core is multidiameter shaft, the two ends of described fixed core axis hole are shoulder hole, between the hole of the shaft shoulder and fixed core that dynamic iron core return-spring is arranged on dynamic iron core is takeed on, the path section of dynamic iron core is inserted in the axis hole of fixed core, be slidably matched, make distance between iron core and fixed core adjustable, dynamic iron core return-spring is enclosed within the path section of dynamic iron core, the shaft shoulder of its one end and dynamic iron core is located, the hole of the other end and fixed core is takeed on and is located, can not there is beat in dynamic iron core return-spring, ensure that dynamic iron core return-spring can normally work for a long time.
Stretch out without magnetic tube outside the path section of described dynamic iron core, this extending end is provided with screw thread, the position of the dynamic iron core extending end of housing correspondence of emergency shutoff device is threaded connection a manual protective housing, this manual protective housing is provided with the tapped hole corresponding with dynamic iron core extending end, when gas emergency cut-off magnetic valve manually closed by needs, manually screw off manual protective housing, expose the extending end of dynamic iron core path section, be threaded with extending end with the tapped hole of manual protective housing, pull out manual protective housing, the annular groove of valve rod is exited in the front end of dynamic iron core, valve plate is under gravity and valve plate action of reset spring, decline and hide valve port, realize fast quick-closing valve, combustion gas cannot be passed through.
Be further described below in conjunction with the drawings and specific embodiments.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In accompanying drawing, 1 is valve body, and 2 is valve gap; 3 is valve rod supporting sleeve, and 4 is valve rod, and 5 is valve port; 6 is valve plate, and 7 is valve plate Returnning spring, and 8 is pull handle; 9 is annular groove, and 10 is emergency shutoff device, and 11 is without magnetic tube; 12 is dynamic iron core, and 13 is fixed core, and 14 is coil; 15 is dynamic iron core return-spring; 16 is energy-storage module, and 17 is manual protective housing, and 18a is the first gland nut; 18b is the second gland nut; 18c is the 3rd gland nut, and 19 is setting sleeve, and 20 is positioning rod; 21 is through hole, and 22 is valve stem boot.
Embodiment
See Fig. 1, a kind of specific embodiment of gas emergency cut-off magnetic valve.Gas emergency cut-off magnetic valve comprises valve body 1, valve gap 2, upper chamber, left chamber and right chamber is provided with in valve body 1, left chamber communicates with upper chamber, right chamber communicates with upper chamber, the position that left chamber communicates with upper chamber is valve port 5, and the upper end of upper chamber is provided with opening, and valve gap 2 is fixed on valve body 1 by valve gap clamping bolt, the opening of upper chamber is formed and blocks, between valve gap 2 and valve body 1, be provided with seal ring.Be threaded in the center hole of described valve gap 2 a vertical valve rod supporting sleeve 3, the top and bottom of described valve rod supporting sleeve 3 axis hole are shoulder hole, a seal ring is separately installed with in the upper end of valve rod supporting sleeve 3 axis hole, lower end, compress respectively by the second gland nut 18b, the 3rd gland nut 18c, between valve rod supporting sleeve and bonnet central bore, be provided with seal ring.Be slidably matched in valve rod supporting sleeve 3 valve rod 4, the lower end of this valve rod 4 extends in valve body 1, be fixedly connected with for the valve plate 6 of closing with open valve port 5 with one, on valve rod between described valve plate 6 and valve gap 2, cover has a valve plate Returnning spring 7, for ensureing that valve plate rises smoothly, decline to valve port realization closedown and open, in described valve body 1, the position be positioned at below valve port 5 is provided with a setting sleeve 19, this setting sleeve is located in left chamber, one end of a positioning rod 20 is fixedly connected with valve plate 6, be located on the same line with valve rod, the other end of positioning rod 20 is slidably fitted in setting sleeve 19.Stretch out valve rod supporting sleeve 3 outside the upper end of described valve rod 4 and be provided with pull handle 8; pull handle 8 can be handle or draw ring; for preventing pull handle by unexpected pull-up; the upper end of described valve rod supporting sleeve 3 is provided with valve stem boot 22 by screw thread; need screw off after valve stem boot could manual pull-up valve rod, realizes the unlatching to gas emergency cut-off magnetic valve.The stage casing of described valve rod 4 is provided with the annular groove 9 for opening location, the radial direction of described valve rod supporting sleeve 3 arranges an emergency shutoff device 10, described emergency shutoff device 10 comprises without magnetic tube 11, dynamic iron core 12, fixed core 13, coil 14, be arranged in the housing of emergency shutoff device 10 without magnetic tube 11, the sidewall of valve rod supporting sleeve 3 is provided with the through hole 21 inserted for dynamic iron core 12, is provided with seal ring between this through hole 21 and housing of emergency shutoff device 10.Fixed core 13 is fixed in the pore without magnetic tube 11, dynamic iron core 12 is slidably matched with the axis hole of fixed core 13, move and between iron core 12 and fixed core 13, be provided with dynamic iron core return-spring 15, in the present embodiment, described dynamic iron core 12 is multidiameter shaft, the path section of dynamic iron core is inserted in the axis hole of fixed core, be slidably matched with fixed core, the two ends of described fixed core 13 axis hole are shoulder hole, between the hole of the shaft shoulder and fixed core 13 that dynamic iron core return-spring 15 is arranged on dynamic iron core 12 is takeed on, in the shoulder hole of fixed core 13 tail end, seal ring is installed, and is compressed by the first gland nut 18a.The front end of dynamic iron core 12 is inserted the annular groove 9 of valve rod 4 from the radial direction of valve rod supporting sleeve 3 and is formed valve opening location, stretch out outside the path section of described dynamic iron core 12 without magnetic tube 11, this extending end is provided with screw thread, the position of the dynamic iron core extending end of housing correspondence of emergency shutoff device is threaded connection a manual protective housing, and this manual protective housing is provided with the tapped hole corresponding with dynamic iron core extending end.Described coil 14 is looped around on the outer wall without magnetic tube 11, and this coil 14 is electrically connected with an energy-storage module 16, and energy-storage module is electric capacity.
During utility model works, in normal state, coil is not charged, dynamic iron core inserts in the annular groove of valve rod under the effect of dynamic iron core return-spring, and to valve rod axially locating, valve plate departs from valve port, valve plate Returnning spring is in compressive state, and combustion gas can be normal through.When conveyance conduit in case of emergency, if probe detection is to gas leakage, valve closing signal is sent to gas emergency cut-off magnetic valve, or when having a power failure, energy-storage module is to coil charges, fixed core is made to produce magnetic, attract dynamic iron core, the dynamic iron core return-spring of compression, the annular groove of valve rod is exited in the front end of dynamic iron core, no longer to valve rod axially locating, valve plate is under the active force of gravity and valve plate Returnning spring, and decline and close valve port, combustion gas cannot be passed through, realize in emergency circumstances automatic fast quick-closing valve, avoid Accidents Disasters to spread.When needs again opens solenoid valve time, coil is not charged, turns on valve stem boot; upwards pull pull handle, make the dynamic iron core of annular groove correspondence, dynamic iron core inserts in annular groove under the active force of dynamic iron core return-spring; to valve rod axially locating, solenoid valve open, combustion gas by.When the artificial shut electromagnetic valve of needs, turn on manual protective housing, manual protective housing is threaded with the extending end of dynamic iron core, pull out manual protective housing, make the front end of iron core exit annular groove, valve plate, under the effect of gravity and valve plate Returnning spring, declines and closes valve port, closed electromagnetic valve, combustion gas cannot be passed through.
Claims (9)
1. a gas emergency cut-off magnetic valve, comprise valve body (1), valve gap (2), it is characterized in that: be threaded in the center hole of described valve gap (2) a vertical valve rod supporting sleeve (3), be slidably matched in valve rod supporting sleeve (3) valve rod (4), the lower end of this valve rod (4) extends in valve body (1), be fixedly connected with for the valve plate of closing with open valve port (5) (6) with one, on valve rod between described valve plate (6) and valve gap (2), cover has a valve plate Returnning spring (7), stretch out valve rod supporting sleeve (3) outside the upper end of described valve rod (4) and be provided with pull handle (8), the stage casing of described valve rod (4) is provided with the annular groove (9) for opening location, the radial direction of described valve rod supporting sleeve (3) arranges an emergency shutoff device (10), described emergency shutoff device (10) comprises without magnetic tube (11), dynamic iron core (12), fixed core (13), coil (14), be arranged in the housing of emergency shutoff device (10) without magnetic tube (11), fixed core (13) is fixed in the pore without magnetic tube (11), dynamic iron core (12) is slidably matched with the axis hole of fixed core (13), move and be provided with dynamic iron core return-spring (15) between iron core (12) and fixed core (13), the front end of dynamic iron core (12) is inserted the annular groove (9) of valve rod (4) from the radial direction of valve rod supporting sleeve (3) and is formed valve opening location, described coil (14) is looped around on the outer wall without magnetic tube (11), this coil (14) is electrically connected with an energy-storage module (16).
2. gas emergency cut-off magnetic valve according to claim 1, it is characterized in that: described dynamic iron core (12) is multidiameter shaft, the two ends of described fixed core (13) axis hole are shoulder hole, between the hole of the shaft shoulder and fixed core (13) that dynamic iron core return-spring (15) is arranged on dynamic iron core (12) is takeed on.
3. gas emergency cut-off magnetic valve according to claim 2, it is characterized in that: stretch out outside the path section of described dynamic iron core (12) without magnetic tube (11), this extending end is provided with screw thread, the position of dynamic iron core (12) extending end of housing correspondence of emergency shutoff device (10) is threaded connection a manual protective housing (17), and this manual protective housing (17) is provided with the tapped hole corresponding with dynamic iron core (12) extending end.
4. gas emergency cut-off magnetic valve according to claim 2, is characterized in that: install seal ring in the shoulder hole of described fixed core (13) tail end, and is compressed by the first gland nut (18a).
5. gas emergency cut-off magnetic valve according to claim 1, it is characterized in that: the position being positioned at valve port (5) below in described valve body (1) is provided with a setting sleeve (19), one end of a positioning rod (20) is fixedly connected with valve plate (6), and the other end of positioning rod (20) is slidably fitted in setting sleeve (19).
6. gas emergency cut-off magnetic valve according to claim 1, it is characterized in that: the top and bottom of described valve rod supporting sleeve (3) axis hole are shoulder hole, be separately installed with a seal ring in the upper end of valve rod supporting sleeve (3) axis hole, lower end, compress respectively by the second gland nut (18b), the 3rd gland nut (18c).
7. gas emergency cut-off magnetic valve according to claim 1, it is characterized in that: the sidewall of described valve rod supporting sleeve (3) is provided with the through hole (21) inserted for dynamic iron core (12), is provided with seal ring between the housing of this through hole (21) and emergency shutoff device (10).
8. gas emergency cut-off magnetic valve according to claim 1, is characterized in that: described valve gap (2) is fixed on valve body (1) by valve gap clamping bolt, is provided with seal ring between valve gap (2) and valve body (1).
9. gas emergency cut-off magnetic valve according to claim 1, is characterized in that: the upper end of described valve rod supporting sleeve (3) is provided with valve stem boot (22) by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520254040.9U CN204664540U (en) | 2015-04-24 | 2015-04-24 | Gas emergency cut-off magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520254040.9U CN204664540U (en) | 2015-04-24 | 2015-04-24 | Gas emergency cut-off magnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204664540U true CN204664540U (en) | 2015-09-23 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520254040.9U Expired - Fee Related CN204664540U (en) | 2015-04-24 | 2015-04-24 | Gas emergency cut-off magnetic valve |
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| CN (1) | CN204664540U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806532A (en) * | 2017-12-07 | 2018-03-16 | 欧好光电控制技术（上海）股份有限公司 | A kind of positive lock heavy duty and the semi-automatic magnetic valve of low-power consumption unblock |
| CN107830231A (en) * | 2017-12-07 | 2018-03-23 | 欧好光电控制技术（上海）股份有限公司 | A kind of positive lock heavy duty of semi-automatic magnetic valve and the Electromalgnetic locking mechanism of low-power consumption unblock |
| CN108253183A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | The buried solenoid valve box of intelligent integrated |
| CN109114425A (en) * | 2018-08-23 | 2019-01-01 | 北京鑫广进燃气设备研究所 | A kind of pressure regulator control device |
| CN111828660A (en) * | 2020-05-19 | 2020-10-27 | 重庆凯铂瑞阀门有限公司 | High-pressure normally-open emergency cut-off electromagnetic valve |
-
2015
- 2015-04-24 CN CN201520254040.9U patent/CN204664540U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253183A (en) * | 2016-12-28 | 2018-07-06 | 天津克瑞斯燃气设备有限公司 | The buried solenoid valve box of intelligent integrated |
| CN107806532A (en) * | 2017-12-07 | 2018-03-16 | 欧好光电控制技术（上海）股份有限公司 | A kind of positive lock heavy duty and the semi-automatic magnetic valve of low-power consumption unblock |
| CN107830231A (en) * | 2017-12-07 | 2018-03-23 | 欧好光电控制技术（上海）股份有限公司 | A kind of positive lock heavy duty of semi-automatic magnetic valve and the Electromalgnetic locking mechanism of low-power consumption unblock |
| CN109114425A (en) * | 2018-08-23 | 2019-01-01 | 北京鑫广进燃气设备研究所 | A kind of pressure regulator control device |
| CN111828660A (en) * | 2020-05-19 | 2020-10-27 | 重庆凯铂瑞阀门有限公司 | High-pressure normally-open emergency cut-off electromagnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20160424 |