CN2926691Y - Fast electrically-controlled cut-off valve - Google Patents
Fast electrically-controlled cut-off valve Download PDFInfo
- Publication number
- CN2926691Y CN2926691Y CN 200620023486 CN200620023486U CN2926691Y CN 2926691 Y CN2926691 Y CN 2926691Y CN 200620023486 CN200620023486 CN 200620023486 CN 200620023486 U CN200620023486 U CN 200620023486U CN 2926691 Y CN2926691 Y CN 2926691Y
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- valve
- rotating shaft
- weight
- mounting plate
- valve body
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- Expired - Fee Related
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Abstract
The utility model relates to an electrically-controlled quick-shutting valve, which comprises valve body, valve plate, valve shaft, hanging arm, weight drop, arm of the weight drop and electromagnetism locking mechanism. The valve shaft is positioned on the valve body, and the hanging arm is closely connected with the valve shaft. The valve plate is articulated with the hanging arm. Lower end of the weight drop is closely connected with the valve shaft, the weight drop is inserted in the arm of the weight drop with a locking pin, and the electromagnetism locking mechanism is arranged on the outside of the valve body through an installation plate. The utility model is characterized in that: the electromagnetism locking mechanism has a ring-shaped electromagnet, a thread circle, a torsion spring, rotating shaft and a U-shaped fork. The thread circle is sleeved on the electromagnet, and the rotating shaft going through the electromagnet is closely connected with a press plate, which overlays the electromagnet. The torsion spring is sleeved on the rotating shaft which is positioned on through hole of the installation plate. Two ends of the torsion spring are respectively connected with the press plate and the installation plate. A U-shaped fork is closely connected with one end of the rotating shaft, and the locking pin of the arm of the weight drop is arranged in the U-shaped fork.
Description
Technical field
The utility model relates to a kind of coal gas electric-controlled type repid cut-off valve.
Background technique
Coal gas is popularized now, and leaking, catching fire appears in gas pipe line, should close the electric-controlled type repid cut-off valve that is installed in gas pipe line immediately, cuts off the source of the gas of gas pipe line.The Electromagnetic Control mechanism of existing coal gas electric-controlled type repid cut-off valve adopts sliding pin control locking framework, because the sliding pin sliding distance is big, the electromagnetic coil electrical current is big, and working life is short.
Summary of the invention
In order to overcome the above-mentioned deficiency of existing electric-controlled type repid cut-off valve, the utility model provides a kind of electric-controlled type repid cut-off valve of controlling the little long service life of electric current.
Design of the present utility model is to produce magnetic force with the electromagnet energising, and the static friction of keeping to the side self-locking replaces sliding pin to block, and does not have slider, and the electromagnetic coil electrical current is very little.
The utility model comprises valve body, valve plate, valve shaft, cantilever, weight, weight arm and electromagnetic locking mechanism, valve shaft is installed on the axle bed of valve body and has an end to stretch out outside the valve body, cantilever and valve shaft tighten together, valve plate is articulated and connected on cantilever by hinged seat in the valve pocket of valve body, the lower end of weight arm and valve shaft stretch out the outer end of valve body and tighten together, weight has a through hole, and weight is through the top of weight arm by this through hole, is fixing stop pin under the weight of weight arm.Electromagnetic locking mechanism is installed in outside the valve body and the corresponding position of stop pin of weight arm by mounting plate, it is characterized in that: electromagnetic locking mechanism has ring electromagnet, coil, torque spring, rotating shaft and U-shaped fork, coil is enclosed within on the ring electromagnet, one end of rotating shaft is through in the ring electromagnet and fastening pressing plate, pressing plate is laminated on ring electromagnet, and torque spring is enclosed within the rotating shaft.One through hole is arranged on mounting plate, and rotating shaft is installed in the through hole of mounting plate, and the two ends of torque spring are connected with mounting plate with pressing plate respectively, and the U-shaped fork is fastened on an end of rotating shaft, and the stop pin of weight arm is stuck in the U-shaped fork.
Above-mentioned electric-controlled type repid cut-off valve, it is characterized in that: fastening axle sleeve in the through hole of mounting plate, rotating shaft is installed in the through hole of mounting plate by axle sleeve, end face at axle sleeve is being provided with curve bath, axis with rotating shaft is the center of circle, the central angle of curve bath is 50 °-60 °, tightens the set locating stud in rotating shaft, and an end of this locating stud reaches curve bath.
Above-mentioned electric-controlled type repid cut-off valve is characterized in that: at mounting plate position limit switch is installed, is fixing plumbing bar in the lower end of U-shaped fork, at the vertical state of weight arm, the following plumbing bar of U-shaped fork contacts with meeting and discussing of position limit switch.
Because this electric-controlled type repid cut-off valve is taked said structure, producing the magnetic force friction self-locking with the electromagnet energising replaces sliding pin to block, there is not slider, the very little magnetic force of electromagnetic coil electrical current is big, and power is little, only 20-30W, charging operation for a long time, the electromagnetic locking mechanism that the has overcome existing coal gas electric-controlled type repid cut-off valve easy scaling loss of generating heat, the deficiency that working life is short, safe and reliable.But distant control, and can move with computer and other relevant device interlocking, realize automation control.
Description of drawings
Fig. 1 is this electric-controlled type repid cut-off valve embodiment one a structural drawing, among the figure along axle bed partly cut-away.
Fig. 2 is the structural drawing of valve body, the first half partly cut-away among the figure.
Fig. 3 is the mutual alignment figure at opening state U-shaped fork and stop pin and position limit switch.
Fig. 4 is the structural drawing of embodiment one electromagnetic locking mechanism, and the rotating shaft along electromagnetic locking mechanism among the figure is cut open.
Fig. 5 is being the mutual alignment figure of U-shaped fork and stop pin and position limit switch in off position.
Fig. 6 is the utility model embodiment two a structural drawing, among the figure along axle bed partly cut-away.
Fig. 7 is the control circuit reference drawing.
Among the above-mentioned figure:
1, position limit pin 2, weight arm 3, weight 4, through hole 5, position limit pin
6, stop pin 7, U-shaped fork 8, rotating shaft 9, shell 10, electromagnetic locking mechanism
11, mounting plate 12, position limit switch 13, adapter sleeve 14, valve shaft 15, axle bed
16, seal ring 17, flange 18, valve body 19, axle bed 20, valve plate
21, seal ring 22, cantilever 23, hinged seat 24, prong 25, following plumbing bar
26, stir 27, spool 28, bonnet 29, pressing plate 30, backing plate
31, coil 32, electromagnet 33, axle sleeve 34, locating stud 35, curve bath
36, torque spring 37, through hole DCF electromagnetic mechanism
K1 position limit switch model JLXK1-111 DY switch power case 24VDC
JC1 JC2 auxiliary reclay LD signaling lamp AN1 AN2 AN3 push-button switch
LSK rotary switch ZK automatic air-break switch JX tenminal block
Embodiment
Following structure embodiment and accompanying drawing thereof describe embodiment of the present utility model in detail, but embodiment of the present utility model is not limited to following embodiment.
The electric-controlled type repid cut-off valve that Fig. 1 and Fig. 2 describe comprises valve body 18, valve plate 20, valve shaft 14, cantilever 22, weight 3, weight arm 2 and electromagnetic locking mechanism 10, valve shaft 14 is installed on the axle bed 15 and axle bed 19 of valve body 18, and stretches out outside the valve body 18 at an end of axle bed 15.Cantilever 22 tightens together with valve shaft 14, and valve plate 20 is articulated and connected on cantilever 22 by hinged seat 23 in the valve pocket of valve body 18.The axle bed 15 outer ends that the lower end of weight arm 2 and valve shaft 14 stretch out valve body 18 tighten together, weight 3 has a through hole 4, weight 3 is through the top of weight arm 2 by through hole 4, and is limited in the top of weight arm 2 by position limit pin 1 and position limit pin 5, is fixing stop pin 6 under the weight 3 of weight arm 2.Electromagnetic locking mechanism 10 is installed in outside the valve body 18 and the stop pin 6 corresponding positions of weight arm 2 by mounting plate 11, it is characterized in that: electromagnetic locking mechanism 10 has ring electromagnet 32, coil 31, torque spring 36, rotating shaft 8 and U-shaped fork 7, coil 31 is enclosed within on the electromagnet 32, one end of rotating shaft 8 is through in the electromagnet 32 and fastening pressing plate 29, pressing plate 29 is laminated on electromagnet 32 through backing plate 30, torque spring 36 is enclosed within the rotating shaft 8, referring to Fig. 4.At mounting plate 11 through hole is arranged, fastening axle sleeve 33 in through hole, rotating shaft 8 is installed in the axle sleeve 33, end face at axle sleeve 33 is being provided with curve bath 35, axis with rotating shaft 8 is the center of circle, the central angle of curve bath is 50 °, rotating shaft 8 fastening locating stud 34, an end of locating stud 34 reaches curve bath 35.The two ends of torque spring 36 are connected with pressing plate 29 with axle sleeve 33 respectively, and U-shaped fork 7 is fastened on an end of rotating shaft 8, and the locking lock 6 of weight arm 2 is stuck in the prong 24 of U-shaped fork 7, referring to Fig. 3.
Present embodiment also is installed with position limit switch 12 at mounting plate 11, is fixing descend plumbing bar 25 in the lower end of U-shaped fork 7, and at weight arm 2 vertical states, U-shaped is pitched stirring of 7 following plumbing bar 25 and position limit switch 12 and 26 contacted.
In conjunction with the foregoing description working procedure of the present utility model is described.This electric-controlled type repid cut-off valve is coil 31 energisings of electromagnetic locking mechanism 10 in normal operation, electromagnet 32 has magnetic pressing plate 29 is held locking, rotating shaft 8 and the U-shaped fork 7 that tightens together are in the device of Fig. 1, weight arm 2 is in the lock state straight up, and valve plate 20 is in opening state.When the pressure in the gas pipeline is lower than specified value or gas burning system and occurs must cutting off source of the gas immediately unusually, by the control corresponding loop, make coil 31 outages of electromagnetic locking mechanism 10, electromagnet 32 loses magnetic force and unlocks, rotating shaft 8 is rotated under the effect of torque spring 36, during position that U-shaped fork 7 turns among Fig. 5, stop pin 6 state that goes out of lock, weight arm 2 rotates under the action of gravity of weight 3, weight arm 2 drives valve shaft 14 and rotates, valve shaft 14 drives valve plate 20 again and rotates, and valve plate 20 cuts off valve closing to source of the gas.When needs are connected fuel gas source, hand is pulled weight arm 2 and is upwards rotated, weight arm 2 drives valve shaft 14 and valve plate 20 rotates, valve open, weight arm 2 is stuck in stop pin 6 in the U-shaped fork 7 straight up, what the following plumbing bar 25 of U-shaped fork 7 was run into position limit switch 12 stirs 26, position limit switch 12 is connected the power supply of electromagnetic locking mechanism 10, coil 31 energisings, electromagnet 32 produces electromagnetic force, holds pressing plate 29, together with rotating shaft 8 and 7 lockings of U-shaped fork, weight arm 2 is also locked with valve shaft 14 and valve plate 20, and the electric-controlled type repid cut-off valve is in aeration status.
Embodiment two of the present utility model sees Fig. 6, and present embodiment and embodiment's one difference is that rotating shaft 8 is directly installed in the mounting hole 37 of mounting plate 11, at mounting plate 11 position limit switch 12 is not set, uses manual control.
It is more convenient that the utility model embodiment one and control circuit are used control.Fig. 7 is a control circuit for reference.The K1 of Fig. 7 middle and lower part is that 12 among Fig. 1 is connected with the valve state contact, DCF is connected with electromagnetic mechanism, and electromagnetic mechanism comprises electromagnet 32 and coil 31, is connected with power supply from the 3rd lead-in wire in a left side, K2 is connected with the valve state contact, and first lead-in wire of right number is connected with power supply 220V.
Claims (3)
1, a kind of electric-controlled type repid cut-off valve, it comprises valve body, valve plate, valve shaft, cantilever, weight, weight arm and electromagnetic locking mechanism, valve shaft is installed on the axle bed of valve body and has an end to stretch out outside the valve body, cantilever and valve shaft tighten together, valve plate is articulated and connected on cantilever by hinged seat in the valve pocket of valve body, the lower end of weight arm and valve shaft stretch out the outer end of valve body and tighten together, weight has a through hole, weight is through the top of weight arm by this through hole, under the weight of weight arm, fixing stop pin, electromagnetic locking mechanism is installed in outside the valve body and the corresponding position of stop pin of weight arm by mounting plate, it is characterized in that: electromagnetic locking mechanism has ring electromagnet, coil, torque spring, rotating shaft and U-shaped fork, coil is enclosed within on the ring electromagnet, one end of rotating shaft is through in the ring electromagnet and fastening pressing plate, pressing plate is laminated on ring electromagnet, and torque spring is enclosed within the rotating shaft; One through hole is arranged on mounting plate, and rotating shaft is installed in the through hole of mounting plate, and the two ends of torque spring are connected with mounting plate with pressing plate respectively, and the U-shaped fork is fastened on an end of rotating shaft, and the stop pin of weight arm is stuck in the U-shaped fork.
2, electric-controlled type repid cut-off valve according to claim 1, it is characterized in that: fastening axle sleeve in the through hole of mounting plate, rotating shaft is installed in the through hole of mounting plate by axle sleeve, end face at axle sleeve is being provided with curve bath, axis with rotating shaft is the center of circle, the central angle of curve bath is 50 °-60 °, tightens the set locating stud in rotating shaft, and an end of this locating stud reaches curve bath.
3, electric-controlled type repid cut-off valve according to claim 1 and 2 is characterized in that: at mounting plate position limit switch is installed, is fixing plumbing bar in the lower end of U-shaped fork, at the vertical state of weight arm, the following plumbing bar of U-shaped fork contacts with meeting and discussing of position limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023486 CN2926691Y (en) | 2006-01-27 | 2006-01-27 | Fast electrically-controlled cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023486 CN2926691Y (en) | 2006-01-27 | 2006-01-27 | Fast electrically-controlled cut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2926691Y true CN2926691Y (en) | 2007-07-25 |
Family
ID=38280935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620023486 Expired - Fee Related CN2926691Y (en) | 2006-01-27 | 2006-01-27 | Fast electrically-controlled cut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2926691Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734533A (en) * | 2012-06-20 | 2012-10-17 | 朱崇新 | Automatic electromagnetic rapid safety valve for cutting coal gas |
| CN103939658A (en) * | 2014-04-29 | 2014-07-23 | 天津福得士阀门有限公司 | Valve with electromagnetic rapid closing control function |
| CN105508690A (en) * | 2016-01-18 | 2016-04-20 | 株洲南方阀门股份有限公司 | Valve-closure drive device and emergency burst pipe cut-off valve thereof |
| CN109027393A (en) * | 2018-10-22 | 2018-12-18 | 哈尔滨工程大学 | Compressor anti-asthma quck-opening valve |
| CN109372996A (en) * | 2018-12-11 | 2019-02-22 | 南京凯盛国际工程有限公司 | A kind of automatic weighted valve |
-
2006
- 2006-01-27 CN CN 200620023486 patent/CN2926691Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734533A (en) * | 2012-06-20 | 2012-10-17 | 朱崇新 | Automatic electromagnetic rapid safety valve for cutting coal gas |
| CN103939658A (en) * | 2014-04-29 | 2014-07-23 | 天津福得士阀门有限公司 | Valve with electromagnetic rapid closing control function |
| CN105508690A (en) * | 2016-01-18 | 2016-04-20 | 株洲南方阀门股份有限公司 | Valve-closure drive device and emergency burst pipe cut-off valve thereof |
| CN105508690B (en) * | 2016-01-18 | 2018-10-30 | 株洲南方阀门股份有限公司 | A kind of pass valve drive and its booster quick action emergency valve |
| CN109027393A (en) * | 2018-10-22 | 2018-12-18 | 哈尔滨工程大学 | Compressor anti-asthma quck-opening valve |
| CN109372996A (en) * | 2018-12-11 | 2019-02-22 | 南京凯盛国际工程有限公司 | A kind of automatic weighted valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070725 |