CN2191330Y - Self-locking household gas safety electromagnetic valve - Google Patents
Self-locking household gas safety electromagnetic valve Download PDFInfo
- Publication number
- CN2191330Y CN2191330Y CN 94214026 CN94214026U CN2191330Y CN 2191330 Y CN2191330 Y CN 2191330Y CN 94214026 CN94214026 CN 94214026 CN 94214026 U CN94214026 U CN 94214026U CN 2191330 Y CN2191330 Y CN 2191330Y
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- Prior art keywords
- valve
- self
- locking
- knee
- piece
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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
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Abstract
The utility model relates to a self-locking household gas safety electromagnetic valve, composed of a valve body, an electromagnetic mechanism arranged on the valve body, a connecting frame connected with the valve body, a valve stem sleeve connected arranged on the connecting frame, a valve stem, a self-locking spring, a rubber plug, a diaphragm, and a transmission mechanism which is arranged on the connecting frame, is connected with the valve stem, and is contacted with the electromagnetic mechanism, wherein, the valve stem, the self-locking spring, the rubber plug, and the diaphragm are arranged in the valve stem sleeve. The diaphragm is arranged between the connecting frame and the valve body, one end of the drive rod of the electromagnetic mechanism is provided with a locking knife which is contacted with the transmission mechanism, and the other end is provided with a manual button used for manually closing the valve. The utility model has the advantages that the elasticity can not be lost easily, the valve can be locked and unlocked easily, the utility model can be manually operated, etc.
Description
The utility model relates to a kind of self-locking domestic gas security solenoid valve, is used with fuel gas alarm, can promptly cut off the source of the gas of leakage.
Along with the raising of living standards of the people, inflammable gass such as coal gas and liquid gas are adopted as family's thermal source by people more and more widely, and it has easy to use, advantages such as calorific value is high, heating is quick, no waste.But, use the maximum hidden danger of inflammable gas to be: in case gas leakage causes serious threat to the safety of people's lives and properties.At present, domestic for preventing the appearance of this type of phenomenon, generally adopt electronics newspaper well device and gas electromagnetic valve to be used, when gas leakage, electronic alarm sends signal, closes source of the gas by gas electromagnetic valve.But there is following shortcoming in present gas electromagnetic valve: at first, barrier film and valve rod are connected as a single entity, and make barrier film in tension for a long time, easily follow the string, and are twisted distortion and cause self leaking; Secondly, electromagnetic force directly attracts stop pin, makes stop pin bigger to stop pin pressure because of valve rod when extracting out from the valve rod locking slot, increased requirement to power of electromagnet, even make the inclined to one side side of stop pin and be stuck, and valve rod easily skids off when pressing stop pin, therefore makes the gas electromagnetic valve poor reliability; Also have, can not the manual-lock valve.
Task of the present utility model is that a kind of self-locking domestic gas security solenoid valve will be provided, and can make barrier film be difficult for following the string, lock and open easily and manual function is arranged.
Task of the present utility model is finished like this, a kind of self-locking domestic gas security solenoid valve, by valve body 1, be installed in the electromagnetic mechanism on the valve body 1, be connected the link press span 7 on the valve body 1, be located at the stem sleeve 30 on the link press span 7, be located at the valve rod 10 of the band spring seat 11 in the stem sleeve 30, be set on the stem sleeve 30 and by the self-locking spring 9 of spring seat 11 rests, skin plug 5, barrier film 6 and one are located at forming with valve rod 10 driving mechanisms that be connected and that contact with electromagnetic mechanism on the link press span 7, barrier film 6 is arranged between link press span 7 and the valve body 1, one end of the drive link 22 of electromagnetic mechanism is provided with lock knife 19, lock knife 19 contacts with driving mechanism, but the other end has the manual button of a manual-lock valve.
Below in conjunction with accompanying drawing the utility model is done further narration.
Fig. 1 is the utility model structural drawing.
Fig. 2 is that the A of the utility model Fig. 1 valve body 1 is to view.
Fig. 3 is the utility model example structure figure.
Driving mechanism of the present utility model is made up of the knee-piece 16 and the connecting rod 12 of band knee-piece handle 17 and last, the middle lower shaft 15,14,13 that is located on the link press span 7, knee-piece 16 is located on the axis 14, one end of connecting rod 12 inserts in the elongated slot that is opened on the knee-piece 16, and with 15 loose joints of last axle, the other end stretches in the groove that is opened in valve rod 10 upper end portions, and with lower shaft 13 loose joints.Knee-piece handle 17 and knee-piece integral production.
On the knee-piece 16 of the present utility model and middle part of connecting rod 12 is respectively equipped with locking slot 18 and cavity 31.Lock knife 19 on the locking slot 18 on the knee-piece 16 and the drive link 22 of electromagnetic mechanism matches, and the two can lock and can throw off.Cavity 31 is opened in the middle part of connecting rod 12, and with axis 14 serve as the effect fulcrum.The drive link 22 of electromagnetic mechanism of the present utility model is made by metal, not only plays armature but also play manual button.Change knee-piece handle 17 just by knee-piece 16 and add that the point action of axis 14 in cavity 31 makes connecting rod 12 deflection certain distances when manually dialling, thereby by carrying on the connecting rod 12 drive valve rods 10, make self-locking spring 9 compressions and energy storage, promote drive link 22 by the Returnning spring in the hole of the spring on the coil backplate 28 that is located at electromagnetic mechanism 21 20 simultaneously, the lock knife 19 of drive link 22 1 ends is locked in the locking slot 18 on the knee-piece 16, thereby pinned knee-piece 16.Owing to dial when changeing knee-piece handle 17, become a changing torque, when dialling when going near limes superiors, the moment of rotation at knee-piece 16 edges is minimum, played the labour-saving effect, thereby reduced the surface friction drag of lock knife 19 and locking slot 18, dwindled the power of the coil 26 of electromagnetic mechanism effectively, thereby can reduce the cost of the utility model self-locking domestic gas security solenoid valve and connected fuel gas alarm.
The middle part of the drive link 22 of electromagnetic mechanism of the present utility model is active to be connected on the bearing pin 29, and making two ends of drive link 22 can be that fulcrum is done the activity of certain distance up and down with bearing pin 29, and bearing pin 29 is fixed on the link press span 7.The activity of the certain distance up and down by drive link 22 2 ends, thus it is sealed or throw off to reach locking slot 18 on the knee-piece 16 of the lock knife 19 that makes drive link 22 1 ends and driving mechanism.Electromagnetic mechanism is fixing with valve body 1 by set screw 27, and the lead 26 that coil 25 is drawn is connected with electronic alarm.
Barrier film 6 of the present utility model is a ripple folded structure and in wave shape, adopts oil-resistant rubber material to make, and the interaction energy of ripple folded structure reduces the elastic force of barrier film 6, makes barrier film 6 not fragile.Because barrier film 6 is in wave shape, so when use attachment screw 8 with link press span 7 with valve body 1 fixedly the time, should be with the outer side of the waveform of barrier film 6 along being bumped into therebetween, along with link press span 7 and valve body 1 fixedly make barrier film 6 between link press span 7 and valve body 1, to reach the sealing with valve body 1; The inner side edge edge and skin plug 5 integral productions of the waveform of barrier film 6, skin plug 5 is corresponding with the ring packing ridge 4 on the valve body 1.Because barrier film 6 is arranged between link press span 7 and the valve body 1, changed original barrier film 6 and be connected, thereby avoided barrier film 6 in tension for a long time, guaranteed himself elasticity with the direct of valve rod 10, overcome barrier film 6 and easily be twisted distortion and cause self leakage, improved airtight effect.
Dirtproof cover 23 is equipped with at link press span of the present utility model 7 tops, and the effect of dirtproof cover 23 is to prevent that steam and greasy dirt in the kitchen from entering, to guarantee the cleaning of driving mechanism.
Inlet, outlet 2,3 on the valve body 1 of the present utility model all adopts taper pipe thread.When gas leakage reaches finite concentration, electronic alarm is when sending alarm signal, export one group of signal voltage, the coil 25 of electromagnetic mechanism produces magnetic field, thereby make the electromagnet 24 that is located in the coil 25 attract drive link 22, make an end of drive link 22 overcome Returnning spring 20 active force and by electromagnet 24 downward adhesives, the other end of the drive link 22 of stationary knife 19 at this moment with lock then upwarps, lock knife 19 is just thrown off from locking slot 18, promote valve rod 10 by the effect of self-locking spring 9 and move downward this moment, thereby the skin plug 5 that will be positioned at its below by the spring seat 11 of valve rod 10 bottoms moves downward, and affect barrier film 6 to move downward, when skin plug 5 moved on the ring packing ridge of covering on valve body 14, whole source of the gas passage just was plugged, and closed the purpose of leaking source of the gas thereby reach.Should ascertain the reason this moment, fix a breakdown, and then Open valve.During Open valve, with hand 17 groups of knee-piece handles are changeed several angle, owing to coil 25 dead electricity this moment, electromagnet 24 does not produce magnetic force, under the effect of Returnning spring 20, will originally upwards be pushed away by an end of the drive link 22 of electromagnet 24 adhesives, the other end of the drive link 22 of stationary knife 19 with lock is then to pressing down, pull out the commentaries on classics several angle with hand with knee-piece handle 17 this moment, make on the locking slot 18 on the knee-piece 16 and lift, thereby make lock knife 19 and locking slot 18 sealed, this moment can hear " " one, illustrate that knee-piece 16 has been lockable.At this moment valve rod 10 rising certain distances, barrier film 6, skin plug 5 are replied voluntarily, break away from the ring packing ridge 4 on the valve body 1, and the source of the gas passage is opened, and is ready.
Because an end of the drive link 22 of electromagnetic mechanism has one concurrently can manually operated function, so when coming throttle down by manually-operable, as long as the manual button with drive link 22 integral productions of drive link 22 1 ends is promoted a segment distance, just lock knife 19 and locking slot 18 can be thrown off, knee-piece 16 rotations this moment, valve rod 10 moves downward and throttle down.Thereby need not before solenoid valve, to install again a preposed manual valve, the position of drive link 22 also provides convenience for installation pipeline gas testing and user use in addition.
The utility model has been because after having adopted said structure, makes barrier film 6 be difficult for following the string, lock and open easily and has manual function.
The utility model also can according to above-mentioned principle a little shift in position derive the self-locking domestic gas security solenoid valve of another kind of form, its structure as shown in Figure 3, electromagnetic mechanism is fixed on the link press span 7 by set screw 27, and lock knife 19 is opened in the middle part of drive link 22.
Claims (4)
1, a kind of self-locking domestic gas security solenoid valve, by valve body (1), be installed in the electromagnetic mechanism on the valve body (1), be connected the link press span (7) on the valve body (1), be located at the stem sleeve (30) on the link press span (7), be located at the valve rod (10) of the band spring seat (11) in the stem sleeve (30), be set on the stem sleeve (30) and by the self-locking spring (9) of spring seat (11) rest, Pi Sai (5), barrier film (6) and one are located at forming with valve rod (10) driving mechanism that be connected and that contact with electromagnetic mechanism on the link press span (7), it is characterized in that barrier film (6) is arranged between link press span (7) and the valve body (1), one end of the drive link of electromagnetic mechanism (22) is provided with lock knife (19), lock knife (19) contacts with driving mechanism, but the other end has the manual button of a manual-lock valve.
2, self-locking domestic gas security solenoid valve according to claim 1, it is characterized in that driving mechanism by knee-piece (16) and the connecting rod (12) of band knee-piece handle (17) and be located on the link press span (7) on, middle lower shaft (15), (14), (13) form, knee-piece (16) is located on the axis (14), one end of connecting rod (12) inserts in the elongated slot that is opened on the knee-piece (16), and with (15) loose joint of last axle, the other end stretches in the groove that is opened in valve rod (10) upper end portion, and with lower shaft (13) loose joint.
3, self-locking domestic gas security solenoid valve according to claim 2 is characterized in that knee-piece (16) is gone up and the middle part of connecting rod (12) is respectively equipped with locking slot (18) and cavity (31).
4, self-locking domestic gas security solenoid valve according to claim 1 is characterized in that barrier film (6) is the ripple folded structure, and in wave shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94214026 CN2191330Y (en) | 1994-06-04 | 1994-06-04 | Self-locking household gas safety electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94214026 CN2191330Y (en) | 1994-06-04 | 1994-06-04 | Self-locking household gas safety electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2191330Y true CN2191330Y (en) | 1995-03-08 |
Family
ID=33830411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94214026 Expired - Fee Related CN2191330Y (en) | 1994-06-04 | 1994-06-04 | Self-locking household gas safety electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2191330Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370916A (en) * | 2015-12-04 | 2016-03-02 | 浙江恒居防爆电气科技有限公司 | Gas emergency shut-off valve |
| US9993762B2 (en) | 2013-05-13 | 2018-06-12 | General Electric Technology Gmbh | Quiet pulse valve |
| US10092872B2 (en) | 2014-09-17 | 2018-10-09 | General Electric Technology Gmbh | Valve with small vessel penetration diameter |
| US10343098B2 (en) | 2013-05-13 | 2019-07-09 | General Electric Company | Cleaning valve with dampening mechanism |
| US11092980B2 (en) | 2016-11-16 | 2021-08-17 | General Electric Technology Gmbh | Pulse valve with pressure vessel penetration |
-
1994
- 1994-06-04 CN CN 94214026 patent/CN2191330Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9993762B2 (en) | 2013-05-13 | 2018-06-12 | General Electric Technology Gmbh | Quiet pulse valve |
| US10343098B2 (en) | 2013-05-13 | 2019-07-09 | General Electric Company | Cleaning valve with dampening mechanism |
| US10092872B2 (en) | 2014-09-17 | 2018-10-09 | General Electric Technology Gmbh | Valve with small vessel penetration diameter |
| CN105370916A (en) * | 2015-12-04 | 2016-03-02 | 浙江恒居防爆电气科技有限公司 | Gas emergency shut-off valve |
| CN105370916B (en) * | 2015-12-04 | 2018-10-02 | 浙江恒居防爆电气科技有限公司 | A kind of gas emergency cut-off valve |
| US11092980B2 (en) | 2016-11-16 | 2021-08-17 | General Electric Technology Gmbh | Pulse valve with pressure vessel penetration |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |