CN2223399Y - Opening and closing driving valve - Google Patents
Opening and closing driving valve Download PDFInfo
- Publication number
- CN2223399Y CN2223399Y CN 95201817 CN95201817U CN2223399Y CN 2223399 Y CN2223399 Y CN 2223399Y CN 95201817 CN95201817 CN 95201817 CN 95201817 U CN95201817 U CN 95201817U CN 2223399 Y CN2223399 Y CN 2223399Y
- Authority
- CN
- China
- Prior art keywords
- switch
- electromagnet
- isolation diaphragm
- valve rod
- hollow valve
- 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 - Fee Related
Links
Images
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to an opening and closing driving valve, comprising a casing, a right electromagnet and a left electromagnet which are separable and installed in the casing, an electromagnet coil, a return spring, a sealing gasket, a hollow valve rod, a closed spring and a control switch. The control switch can be installed on the casing or in a concave cavity formed by the casing. When the utility model is used, a push rod penetrates the centre hole of the hollow valve rod and the right electromagnet and makes the control switch operate and then makes the left electromagnet move along with it. The utility model has simple use and installation, good sealing property, long lifetime, high valve opening sensitivity and simple wire connection of control circuit. The utility model is particularly suitable for being used as an opening and closing driving valve for gas burners.
Description
The utility model relates to a kind of valve plug device that drives with external force, especially for the switch drive valve of combustion gas tool.
Existing actuating valve; the actuating valve that the aqueous vapor interlock that for example uses in the water heater drives; effect by the water valve pin when work makes the switch on that is contained in the water valve side earlier; make interior separable left electromagnet of actuating valve housing and right electromagnet get electric adhesive; because outwards ejecting of water valve pin; by the push rod that passes hollow valve rod left electromagnet is withstood motion simultaneously; make by the right electromagnet of adhesive and hollow valve rod; the sealing gasket that is contained on the hollow valve rod moves together; thereby open air valve; when accident extinguishing need close valve protection; the electromagnet coil outage; right electromagnet makes it reset together with hollow valve rod and sealing gasket because of the effect of returning spring; gas check valve is closed in sealing gasket and air valve body sealing, thereby plays the valve protection effect of closing.
Said apparatus, owing to air valve is opened in the effect of using the water valve pin, and when accident is flame-out, closing valve under the situation that the water valve pin is not replied, driving current is little, stroke is big, has higher use value.But above-mentioned actuating valve is owing to need when installing and using first Closing Switch that electromagnet coil is got, just can open air valve, if push rod backs down left electromagnet earlier or backs down left electromagnet simultaneously at switch on, all will make left electromagnet can not be caused and separate by adhesive with right electromagnet, the air valve of not opening, therefore, switch installation requirement height leaves Valve travel and reduces.Said apparatus must be installed the switch double-action mechanism on the aqueous vapor double-action mechanism, complex structure, owing to outside switch and device thereof are exposed to, be difficult for sealing, and with the passing of time the sulfur-bearing composition can make the switch contact oxidation in the steam of burner in using, combustion gas, cause reliability to reduce, said apparatus is owing to switch leads, electromagnet coil lead-in wire are many simultaneously, and electrical connector is many, and wiring and installation are complicated, connector assembly increases the circuit contact resistance, and the fault point increases.
The purpose of this utility model is exactly the shortcoming that overcomes above-mentioned actuating valve, and a kind of good seal performance is provided, and uses assembling simple, reliability and drive the high switch drive valve of threshold sensitivity.
The utility model is achieved in that the utility model comprises housing, be contained in making up in the housing and form separable electromagnet by left electromagnet and right electromagnet, electromagnet coil and returning spring, sealing gasket, hollow valve rod, the sealing spring is formed, sealing gasket is contained in an end of hollow valve rod, hollow valve rod outwards withstands by the effect of sealing spring force, the other end of hollow valve rod stretches in the housing and with right electromagnet and links, left side electromagnet fits together with right electromagnet by acting under the original state of returning spring power, in use there is a push rod to run through hollow valve rod center hole and right electromagnet and left electromagnet is moved with push rod, the utility model also comprises control switch, in the re-entrant cavity that control switch is contained on the housing or housing forms, control switch can move with push rod, push rod moves in housing when opening valve work, push rod at first makes the control switch action, can make left electromagnet play motion with one then.
Electromagnet of the present utility model can be made with permeability magnetic materials such as electrical pure iron or ferrites.
In order to improve control sensitivity, control switch of the present utility model can be made up of pressure transducer.When push rod moves pressure transducer is produced pressure, make the pressure transducer action, the output electrical quantity changes, thus the work of control electromagnet coil.
The utility model control switch also can be made up of the magnetic switch of magnet effect.Magnetic switch can be that reed switch, hall-effect switch, magnetosensitive switch or magnetic quantity transducer are formed.
Control switch of the present utility model can also have the moving together contact that returns elastically.
Control switch of the present utility model can be electrically connected in series with electromagnet coil.Control switch is not only as electromagnet coil switch control switch but also can be used as the main switch of control circuit simultaneously.
For fear of making hollow valve rod or push rod produce surface friction drag at the volley because of the use seal ring, to close valve unreliable and cause valve closed force to reduce to cause, the utility model can seal with isolation diaphragm, isolation diaphragm has center hole, hollow valve rod can pass the isolation diaphragm center hole also can be in its radial seal combination, and isolation diaphragm makes its both sides radially isolated at hollow valve rod.
Described push rod can pack into when the utility model assembling is used or be manufactured in together with it.
For the ease of making and installing, electromagnet of the present utility model, electromagnet coil etc. can install support rack additional, and hollow valve rod can install supplementary structures such as axle sleeve additional with housing movement clearance hole.
The utility model can be used on the aqueous vapor linkage type water heater as the blowout protection valve.The utility model also can be used for using as the blowout protection valve on the gas range, opens valve by the push rod self-lock switch on the kitchen range during work.
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the utility model embodiment 1 a structural representation.
Working condition figure when Fig. 2 drives valve for the utility model embodiment 1.
Working condition figure when Fig. 3 closes valve protection for the utility model embodiment 1.
Fig. 4 is the utility model embodiment 2 a structural representation.
Working condition figure when Fig. 5 drives valve for the utility model embodiment 2.
Working condition figure when Fig. 6 closes valve protection for the utility model embodiment 2.
Fig. 7 is the utility model embodiment 3 a structural representation.
Fig. 8 is the utility model embodiment 2 installation, a utilization structure schematic representation.
Fig. 9 is the utility model embodiment 1 control switch, an electromagnet coil electrical connection graph.
Figure 10 is the utility model embodiment 2 control switch, an electromagnet coil electrical connection graph.
Figure 11 is the utility model embodiment 3 control switch, an electromagnet coil electrical connection graph.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 9:
Present embodiment housing (1) is formed by connecting by left shell (1a) and right shell body (1b), in the re-entrant cavity that left shell (1a) forms, the separable electromagnet that is combined by left electromagnet (6a) and right electromagnet (6b) is housed, and electromagnet coil (7) is contained in the annulus cavity of left electromagnet (6a) formation.
The present embodiment control switch is that the sensitive switch (S) with the moving together contact of returning elastically is formed, sensitive switch (S) is installed on the switch bracket (9), switch bracket (9) bottom order is installed answer pad (11) and is replied pad spring (10), and push rod (12) can pass switch bracket (9) and connect with answer pad (11).
The terminal of present embodiment (A), sensitive switch (S) moving together contact, electromagnet coil (7), housing (1) grounding end (A1), order are electrically connected in series.
The acting under the original state of returning spring (8) that present embodiment left side electromagnet (6a) is mounted on its left side fits together with right electromagnet (6b), and right electromagnet (6b) is connected with hollow valve rod (4) by a link press span (4a).A side is also passed the center hole of isolation diaphragm (2) in hollow valve rod (4) housing, and in its radial seal combination, isolation diaphragm (2) periphery is done the seal ring use that left shell (1a) is connected with right shell body (1b), and isolation diaphragm (2) is made with elastic material and also can produce back stretch in hollow valve rod (4) motion.Housing external hollow valve rod (4) the other end is equipped with sealing gasket (3), and sealing gasket (3) is used for valve plug, and sealing spring (5) is equipped with in sealing gasket (3) left side, and is smooth for sealing gasket (3), can add a supporting plate (3a) in its left side.Hollow valve rod (4) outwards withstands by the effect of sealing spring (5).
In use have a push rod (12) to run through hollow valve rod (4) center hole and right electromagnet (6b), push rod (12) and hollow valve rod (4) center bore are to sealing with seal ring (13).
When opening the valve use, push rod (12) is to left movement, replying pad (11) is withstood to left movement by push rod (12), sensitive switch (S) is pressed key and is discharged, the moving together contact closure, it is electric that external circuit gets electromagnet coil (7) by terminal (A) and frame ground end (A1), left electromagnet (6a) and right electromagnet (6b) adhesive.When push rod (12) continues to left movement, push rod (12) move the left electromagnet (6a) that begins with it to offset simultaneously, drives by the right electromagnet (6b) of adhesive, hollow valve rod (4), sealing gasket (3) and moves, thereby open air valve.
When the appearance accident needs to close valve protection, electromagnet coil (7) outage, left electromagnet (6a) and the disappearance of right electromagnet (6b) the suction-combining force, sealing gasket (3) moves right close port under the acting in conjunction of sealing spring (5) and isolation diaphragm (2) back stretch.
Referring to Fig. 4, Fig. 5, Fig. 6, Fig. 8, Figure 10:
Present embodiment housing (1) is formed by connecting by left shell (1a) and right shell body (1b), in the cavity that left shell (1a) forms, the separable electromagnet that is combined by left electromagnet (6a) and right electromagnet (6b) is housed, and electromagnet coil (7) is contained in the annulus cavity of left electromagnet (6a) formation.
The present embodiment control switch is key switch (S), and key switch (S) is installed on the switch base (14), and switch base (14) is connected with left electromagnet (6a) and electromagnet coil (7) and is fixing.
For push rod (12) top power all is not added on key switch (S) button, for key switch (S) and push rod (12) can be resetted reliably, spacing pad (15) and limit spring (16) are housed also on present embodiment key switch (S) button simultaneously.
In order to make key switch (S) seal isolation, there is an elastic sealing film (17) to make key switch (S) seal isolation, elastic sealing film (17) periphery is pressed between left electromagnet (6a) and the switch base (14).
The terminal of present embodiment (A), key switch (S) moving together contact, electromagnet coil (7), housing (1) grounding end (A1) order are electrically connected in series.Terminal (A, A1) are electrically connected with the water heater control circuit.In order to make electromagnet coil (7) that discharge loop be arranged, present embodiment at electromagnet coil (7) two ends also parallel connection be electrically connected with discharge diode (D).
The acting under the original state of returning spring (8) that present embodiment left side electromagnet (6a) is mounted on its left side fits together with right electromagnet (6b), right electromagnet (6b) is connected with hollow valve rod (4) by a link press span (4a), link press span (4a) can manufacture one with hollow valve rod (4), also can be to shake the shape riveted joint.
Further isolate in order to make hollow valve rod (4) free gap and electromagnet and electromagnet coil (7), key switch (S) etc., simultaneously in order to eliminate the resistance that radial direction seal ring brings, strengthen valve sealing force, a side is also passed the center hole of isolation diaphragm (2) in the hollow valve rod of present embodiment (4) housing, and in its radial seal combination, isolation diaphragm (2) periphery is done the seal ring use that left shell (1a) is connected with right shell body (1b), and isolation diaphragm (2) is made with elastic material.
Present embodiment housing external hollow valve rod (4) the other end is equipped with sealing gasket (3), sealing gasket (3) is used for valve plug, sealing spring (5) is equipped with in sealing gasket (3) left side, in order to make sealing gasket (3) smooth, can add a supporting plate (3a) in its left side, hollow valve rod (4) outwards withstands by the effect of sealing spring (5).
Present embodiment in use has the elastic sealing film (17) that a push rod (12) runs through on hollow valve rod (4) center hole and right electromagnet (6b) and the same switch base (14) to connect.
Externally isolate in order to make the hollow valve rod (4) and the movement clearance of push rod (12), between hollow valve rod (4) and push rod (12), another isolation diaphragm (19) is housed, isolation diaphragm (19) is shell-like, for the ease of flexible, corrugated tube shape is made on isolation diaphragm (19) surface, its center hole one end combines with push rod (12) radial seal, and the other end combines with hollow valve rod (4) radial seal.
When installing and using, present embodiment is connected the valve port closure on sealing gasket (3) and the valve body (26) with water heater valve body (26) on the water heater of steam linkage type.
When installing and using, water valve (22) is opened, water valve pin (23) is to left movement and by connecting rod (24) valve pad (25) is opened, combustion gas first valve is opened, valve pad (25) makes key switch (S) moving together contact closure to left movement through push rod (12) simultaneously, power connection, electromagnet coil (7) gets electric, left electromagnet (6a) and right electromagnet (6b) adhesive.When push rod (12) continues to left movement, push rod (12) makes connecing key switch (S), switch base (14), left electromagnet (6a) and moving together with right electromagnet (6b), hollow valve rod (4), the sealing gasket (3) of left electromagnet (6a) adhesive of being connected and fixed, sealing gasket (3) is under the effect of sealing spring (15) power, move right close port.
Referring to Fig. 7, Figure 11:
The present embodiment control switch is made up of magnet (18) and magnetic switch (S), and magnetic switch (S) two lead-in wires are connected to terminal (A2) and terminal (A3), and electromagnet coil two ends lead-in wire is connected to the grounding end (A1) on terminal (A) and the housing respectively.
For the ease of making, hollow valve rod and housing movement clearance are equipped with axle sleeve (20), and axle sleeve (20) can be used for seal ring (21) sealing with hollow valve rod.
Push rod (12) can be housed in the hollow valve rod of present embodiment, and in use available another push rod connects with it.
The utlity model has following characteristics:
1, owing to the utlity model has the electromagnet coil gauge tap, it is made in installation With in simple in structure, push rod movement parts control gap and installation requirement reduce, and open threshold sensitivity Improve, drive valve apart from increasing. If the utility model is used for conventional piezoelectric formula water heater, Only need load onto the utility model and controller, need not much changes can become water control type entirely certainly Moving water heater.
2, the utility model gauge tap is because salable being installed in the housing, with the external world every From, gauge tap reliability and service life are greatly improved. The utility model movement clearance Available isolation diaphragm sealing has reduced and has closed the valve resistance, also can if make the elastic recovery form Increase envelope valve thrust.
3, the utility model is because gauge tap can be connected in series with electromagnet coil control Switch reduces the external circuit wiring simultaneously as the control circuit master switch, and electricity is installed simply Performance further improves.
Claims (18)
1, a kind of switch drive valve, comprise housing (1), be contained in and combine separable electromagnet by left electromagnet (6a) and right electromagnet (6b) in the housing (1), electromagnet coil (7) and returning spring (8), sealing gasket (3), hollow valve rod (4), sealing spring (5) is formed, sealing gasket (3) is contained in an end of hollow valve rod (4), hollow valve rod (4) outwards withstands by the effect of sealing spring (5) power, the other end of hollow valve rod (4) stretches in the housing (1) and with right electromagnet (6b) and links, left side electromagnet (6a) fits together with right electromagnet (6b) by acting under the original state of returning spring (8) power, in use there is a push rod (12) to run through hollow valve rod (4) center hole and right electromagnet (6b) and left electromagnet (6a) is moved with push rod (12), it is characterized in that: also comprise control switch (S), control switch (S) can be contained in the re-entrant cavity that housing (1) is gone up or housing (1) forms, control switch (S) can move with push rod (12), push rod (12) moves in housing (1) when opening valve work, push rod (12) at first makes control switch (S) action, can make left electromagnet (6a) play motion with one then.
2, switch drive valve according to claim 1 is characterized in that: control switch (S) is made up of pressure transducer.
3, switch drive valve according to claim 1 is characterized in that: control switch (S) is made up of the magnetic switch (S) of magnet (18) effect.
4, switch drive valve according to claim 1 is characterized in that: control switch (S) has the moving together contact that returns elastically.
5, switch drive valve according to claim 4, it is characterized in that: control switch (S) is a sensitive switch (S), sensitive switch (S) is installed on the switch bracket (9), switch bracket (9) bottom order is installed answer pad (11) and is replied pad spring (10), and push rod (12) can pass switch bracket (9) and connect with answer pad (11).
6, switch drive valve according to claim 4 is characterized in that: control switch (S) is a key switch (S), and key switch (S) is installed on the switch base (14), and switch base (14) is connected with left electromagnet (6a) and electromagnet coil (7) and is fixing.
7, switch drive valve according to claim 6 is characterized in that: spacing pad (15) and limit spring (16) also are housed on key switch (S) button.
8, according to claim 6 or 7 described switch drive valves, it is characterized in that: have an elastic sealing film (17) to make key switch (S) seal isolation, elastic sealing film (17) periphery can be pressed between left electromagnet (6a) and the switch base (14).
9, according to one of them described switch drive valve of claim 1-7, it is characterized in that: the same electromagnet coil of control switch (S) (7) is electrically connected in series.
10, switch drive valve according to claim 9 is characterized in that: electromagnet coil (7) two ends parallel connection is electrically connected with diode (D).
11, switch drive valve according to claim 8 is characterized in that: the same electromagnet coil of control switch (S) (7) is electrically connected in series.
12, according to one of them described switch drive valve of claim 1-7, it is characterized in that: also comprise isolation diaphragm (2), isolation diaphragm (2) has center hole, and hollow valve rod (4) can pass isolation diaphragm (2) center hole also can be in its radial seal combination. and isolation diaphragm (2) makes its both sides radially isolated at hollow valve rod (4).
13, switch drive valve according to claim 8, it is characterized in that: also comprise isolation diaphragm (2), isolation diaphragm (2) has center hole, hollow valve rod (4) can pass isolation diaphragm (2) center hole also can be in its radial seal combination, and isolation diaphragm (2) makes its both sides radially isolated at hollow valve rod (4).
14, switch drive valve according to claim 9, it is characterized in that: also comprise isolation diaphragm (2), isolation diaphragm (2) has center hole, hollow valve rod (4) can pass isolation diaphragm (2) center hole also can be in its radial seal combination, and isolation diaphragm (2) makes its both sides radially isolated at hollow valve rod (4).
15, switch drive valve according to claim 10, it is characterized in that: also comprise isolation diaphragm (2), isolation diaphragm (2) has center hole, hollow valve rod (4) can pass isolation diaphragm (2) center hole also can be in its radial seal combination, and isolation diaphragm (2) makes its both sides radially isolated at hollow valve rod (4).
16, switch drive valve according to claim 11, it is characterized in that: also comprise isolation diaphragm (2), isolation diaphragm (2) has center hole, hollow valve rod (4) can pass isolation diaphragm (2) center hole also can be in its radial seal combination, and isolation diaphragm (2) makes its both sides radially isolated at hollow valve rod (4).
17, according to one of them described switch drive valve of claim 1-7, it is characterized in that: push rod (12) can be manufactured in together with it.
18, switch drive valve according to claim 9 is characterized in that: push rod (12) can be manufactured in together with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95201817 CN2223399Y (en) | 1995-01-20 | 1995-01-20 | Opening and closing driving valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95201817 CN2223399Y (en) | 1995-01-20 | 1995-01-20 | Opening and closing driving valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2223399Y true CN2223399Y (en) | 1996-03-27 |
Family
ID=33855146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95201817 Expired - Fee Related CN2223399Y (en) | 1995-01-20 | 1995-01-20 | Opening and closing driving valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2223399Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705065A (en) * | 2012-05-30 | 2012-10-03 | 长城汽车股份有限公司 | Pressure stabilizing device and cooling system of engine |
| CN104180051A (en) * | 2014-07-24 | 2014-12-03 | 辽宁汇中能源技术发展有限公司 | Pressure controller of gas pipe network |
-
1995
- 1995-01-20 CN CN 95201817 patent/CN2223399Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705065A (en) * | 2012-05-30 | 2012-10-03 | 长城汽车股份有限公司 | Pressure stabilizing device and cooling system of engine |
| CN104180051A (en) * | 2014-07-24 | 2014-12-03 | 辽宁汇中能源技术发展有限公司 | Pressure controller of gas pipe network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20090237189A1 (en) | Stop lamp switch | |
| CN2223399Y (en) | Opening and closing driving valve | |
| CN1195871A (en) | Push-button switch | |
| CN102436976B (en) | High-voltage direct-current contactor | |
| WO2024125335A1 (en) | Magnetic conduction mechanism applied to push-button switch | |
| CN202282292U (en) | Indoor side-mounting solid insulation pole type vacuum circuit breaker | |
| CN114927363B (en) | Dustproof passenger train micro-gap switch | |
| CN207542116U (en) | With the microswitch for forcing separating mechanism | |
| US5777536A (en) | Sealed electric switch assembly | |
| CN2817044Y (en) | Sealed safety switch | |
| CN2229583Y (en) | Opening-closing driving safety valve | |
| CN211819626U (en) | Temperature-resistant and pressure-resistant turbocharger actuator | |
| CN220627646U (en) | Waterproof micro-switch | |
| CN200947417Y (en) | Pressure switch | |
| CN111668048B (en) | Micro switch | |
| CN101976631A (en) | Pressure switch with load releasing function | |
| CN1577664A (en) | Electrical switch | |
| CN118231189B (en) | High-voltage direct-current contactor with main loop working state monitoring and short circuit resisting functions | |
| CN215731441U (en) | Waterproof toggle switch and flashlight | |
| CN117079994A (en) | Circuit fast turn-on and turn-off device | |
| CN2196327Y (en) | Magnetic control switch | |
| CN114220705B (en) | Non-contact nuclear limit switch | |
| CN2884499Y (en) | Spring actuating mechanism for high-voltage vacuum circuit-breaker | |
| CN217182038U (en) | Auxiliary switch | |
| CN211117903U (en) | Pneumatic actuator with heat preservation function and valve using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Address after: Lanxi post and Telecommunications Bureau of Zhejiang Province Designer after: Yu Quan Patentee after: Yu Quan Address before: Room 112, No. 303 Heping Road, Zhejiang, Lanxi Designer before: He Jianping Patentee before: He Jianping Designer before: Yu Quan |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: DESIGNER; FROM: HE JIANPING; YU QUAN TO: YU QUAN; PATENTEE; FROM: HE JIANPING TO: YU QUAN |
|
| 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 |