CN101368629A - Four-way solenoid valve with obstruction structure overflow valve - Google Patents
Four-way solenoid valve with obstruction structure overflow valve Download PDFInfo
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- CN101368629A CN101368629A CNA2007101414339A CN200710141433A CN101368629A CN 101368629 A CN101368629 A CN 101368629A CN A2007101414339 A CNA2007101414339 A CN A2007101414339A CN 200710141433 A CN200710141433 A CN 200710141433A CN 101368629 A CN101368629 A CN 101368629A
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Abstract
The invention relates to a dual-position four-way electromagnetic valve which opens and closes the medium flow channel through the electrification or cut off of the electromagnetic coil to control the medium flowing direction. The invention is characterized in that the invention provides a four-way electromagnetic valve which comprises an overflow valve with the plugging structure, and a safety valve. The safety valve is composed of a seal cushion and an adjusting spring; when the inlet pressure is more than the set value, the spring compressive force is overcome to release the over pressure air. The overflow valve is composed of a spring sealing plug and a plug head ; when the inner pressure drops to the set value, the plug of the overflow valve discharges the excessive air from the outlet of the overflow valve under the effect of the spring so that the overflow effect is realized.
Description
Technical field
The present invention relates to a kind of four way solenoid valve of carry potential overflow valve.Opening or close MEDIA FLOW to passage by electromagnetic coil energising or outage, to reach the device of control media flow direction, is a kind of with the relief valve of blockage structure and the four way solenoid valve of safety valve.It is applied to high-grade household appliances and other gas control fields such as steam generator, boiler formula electric iron, steam cleaner, the four way solenoid valve with multinomial functions such as small-sized, accurate, heat-resisting and high low pressure duplicate protections.
Background technique
Structure before the above-mentioned four way solenoid valve is: have one the tunnel to be the medium suction port on the valve body, the one tunnel is the relief valve air outlet, and one the tunnel is the safety valve air outlet, and another road is the medium air outlet.The medium air outlet is sentenced the solenoid controlled spool and is opened and closing structure; Safety valve is the sealing gasket spring structure; Relief valve is the composite structure that adopts ball (Fig. 4), spring, i.e. ball-valve structure relief valve.Medium air outlet jet fluid medium.Safety valve air outlet row unloaded piezodielectric, made to keep setting pressure in the valve body, to guarantee safety.The technical requirement of relief valve is under low pressure (as being 0～0.5Bar pressure), plays overflow and system protection effect, press in behind system closing continuously gradually to descend, when≤0.5Bar relief valve can bleed-off system in remaining gas.But acquire a certain degree at pressure (as 0.5Bar) time, closing outflow valve makes system pressure progressively reach normal working level rapidly.And structure of relief valve all was a ball-valve structure in the past, adopted the combination of ball, spring to reach the purpose of overflow, saw Fig. 4.So in use find, there is big defective in such relief valve:
1) ball of ball-valve structure relief valve is made difficulty, and cost is higher.
2) the ball-valve structure relief valve is relied on the gravity reduction of ball, so the relief valve relief opening must be up, and this is very limited the mounting point of whole solenoid valve.
3) ball of ball-valve structure relief valve assembling difficulty, the spring force conformity is poor.When pressure medium and spring force overcame the gravity of ball, the relief valve relief opening just can be closed, and this structure often can not in time be closed or be not closed completely, and does not reach the technical requirements of accurate control, has influenced the performance of solenoid valve.
4) reliability is not high.Ball-valve structure is by the gravity of ball itself with under the effect of spring force, when device interior pressure slowly descends from high pressure, ball can occur and reply difficulty, even cling and situation about can not reply, make the disabler of survival gas in the valve body of releasing behind the system closing.
Below as can be known, its function of the relief valve on the solenoid valve is very important, and to exist big defective on the pre-structure, therefore must improve.
Summary of the invention
Valve of the present invention technical problem to be solved is to remedy above-mentioned defective, disclose to society a kind of both small and exquisite, simple in structure, easily manufactured, with low cost, be again assembling easily, functional, safe in utilization four way solenoid valve.
Solving the problems of the technologies described above the technological scheme that is adopted is:
A kind of four way solenoid valve with the blockage structure relief valve: comprise skeleton and coil, through the electromagnetic coil of plastic packaging, valve body, the interior spool of valve body by solenoid controlled.Suction port on the valve body communicates with the air outlet by metering orifice, communicates with suction port by comprising the safety valve that sealing gasket, pressure adjusting spring constitute, and communicates with the structure of relief valve air outlet by the structure of relief valve suction port.
Described structure of relief valve comprises, has the obstruction 6 that links to each other with relief valve air outlet passage, and rubber stops up conical head with respect to its taper hole.
Described relief valve comprises, the relief valve valve body of carry potential overflow valve air gate, and O-ring seals cooperates with the relief valve valve body and seals in the relief valve valve body recess.It is relative with obstruction 6 taper holes that rubber stops up 8 awl ends, and withstand on the plug 6 by spring, and its end withstands on the valve body, sees Fig. 2.
It is conical relative with the taper hole that stops up 6 that described obstruction 8 structure shape heads are, and the middle part cooperates with spring 7 with bamboo joint structure, and the rear portion is cylindrical, and cylindrical bottom portion is established shrinkage pool, contacts with valve body.
Described obstruction 8 is made by high-low temperature resistant, ageing-resistant silicone rubber.
Owing to taked above-mentioned technical measures, and compare with pre-structure, have the following advantages:
1) blockage structure is simple, easy to make, with low cost.
2) solve under low-pressure state reliability and control accuracy problem that relief valve is opened and turn-offed.
3) in the relief valve by stop up 8 and the blockage structure that constitutes of spring 7 replaced the ball-type structure, blockage structure is not subjected to gravity effect, and is gapped with plug 6 by spring 7 effect lower end caps 8 in the system pressure back that descends, and guarantees to discharge at the medium of＜0.5Bar.
4) can install and use in all directions, not only greatly improve consistency of product, reliability, Security; Simultaneously, improved the accuracy of product, made product reach a new level.
Description of drawings
Fig. 1 is a four way solenoid valve plan view of the present invention;
Fig. 2 is Fig. 1 plan view (not charged magnetic coil sectional view);
Fig. 3 is the structural representation of obstruction 8 in the relief valve of the present invention;
Fig. 4 is former four way solenoid valve structural representation.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
A kind of four way solenoid valve of the present invention with the blockage structure relief valve, comprise, constitute, pass through the electromagnetic coil 1 (Fig. 1) of plastic packaging by skeleton and coil, valve body 3 (Fig. 1), valve body 3 interior spools by solenoid controlled, suction port 11 on the valve body, the air outlet 2 (Fig. 1) that spool by solenoid controlled communicates with suction port, by the safety valve air outlet 10 that comprises that safety valve 9 that sealing gasket, pressure adjusting spring constitute communicates with suction port 11, the relief valve air outlet 5 that communicates with suction port 11 by relief valve; It is characterized in that: described relief valve setting comprises that the keying of the obstruction 8 of effluent head makes relief valve open, close.
Described relief valve comprises, the electromagnetic valve body 3 of carry potential overflow valve air gate, relief valve goes out in the port recess, O-ring seals 12 makes it and valve seal, withstand on the sealing obstruction 6 that relief valve exports an end, communicates with the relief valve air outlet, stop up 6 relative obstructions 8 at effluent head and sealing, and the one crown is stopped up in sealing on 6 the disk, the other end withstands on the relief valve spring 8 that stops up 8 neck.
The structure shape of described obstruction 8 is, head is cone shape 7 and can stops up 6 taper hole with sealing and closely cooperate, and the middle part is with bamboo joint structure and spring close fit, and the rear portion is the cylinder bodily form, establishes shrinkage pool bottom the cylinder bodily form, sees Fig. 3.
Described obstruction 8 adopts high-low temperature resistant, ageing-resistant silicone rubber to be made.
When gas enters valve body 3 from suction port 11, three passages are arranged in the valve body 3 in addition, one leads to 5, one of relief valve air outlets and leads to safety valve air outlet 10, and another leads to media outlet 2.When the valve body internal air pressure low-pressure state (＜0.5Bar) time, discharge overflowing gas port 11 around gas can stop up 8 by relief valve, adjust the parameter of spring and can adjust the oil pressure relief scope.When air pressure reach certain pressure (be generally 〉=0.5Bar) time, atmospheric pressure overcomes the resistance of spring, make to stop up 8 and withstand sealing and stop up 6 the relief valve air outlet closed.Because, stop up 8 heads and be conical (Fig. 3) and sealing and stop up 6 contacting part and closely cooperate, valve body 3 internal pressures progressively raise like this, make medium (gas) reach normal working pressure rapidly.When valve body 3 internal pressures reach 5～6Bar, surpass the safety pressure of safety valve setting, the safety valve action, pressurized gas are outwards got rid of from safety valve air outlet 10, have guaranteed the safety of system.After equipment quit work, its internal pressure can slowly descend.When air pressure≤0.5Bar, relief valve stops up 8 and resets under spring 7 effects, and unnecessary gas 5 is discharged from the relief valve air outlet, plays the overflow effect.Therefore; when beginning and quitting work, the air pressure in the valve body is less than 0.5Bar, and gas be discharged at flow-off around can stopping up by relief valve; thereby remaining medium in can bleed-off system when playing when starting the supervision effect of system and system closing plays the safety protection effect of step-down.Air pressure in the valve body is during greater than 0.5Bar, and atmospheric pressure overcomes spring force, makes to stop up 8 and withstand sealing and stop up the relief valve air outlet is closed, and makes the valve body internal pressure reach normal working level rapidly.The superperformance of the relief valve that Here it is has improved.
Obstruction 8 in the structure of relief valve of indication of the present invention, structure is seen Fig. 3, it adopts the contour performance rubber of silicone rubber to be made, and has high-low temperature resistant, ageing-resistant performance.Head can stop up tight-lipped close fit with sealing with cone structure.Can combine closely with spring with bamboo joint structure in the middle part.The rear portion is the cylinder bodily form, cooperates with valve pocket is ingenious; Shrinkage pool is established in cylinder bodily form bottom, can increase lifting surface area.Stop up 8 integral body and locate, be not subjected to gravity effect by spring, valve can be installed and used in all directions, solved the existing defective of former spherical structure relief valve preferably, greatly improved consistency of product, reliability, Security and accuracy, made product reach a new level.
Solenoid valve of the present invention go for equally controlling other MEDIA FLOW to other device in.
Claims (5)
1. four way solenoid valve with the blockage structure relief valve, comprise skeleton and coil, electromagnetic coil (1) through plastic packaging, valve body (3), in the valve body by the spool of solenoid controlled, the suction port on the valve body (11), the air outlet (2) that the spool by solenoid controlled communicates with steam inlet, by the safety valve gas port (10) that comprises that safety valve (9) that sealing gasket, pressure adjusting spring constitute communicates with suction port, the relief valve air outlet (5) that communicates with suction port by relief valve; It is characterized in that: described relief valve setting comprises the blockage structure of keying relief valve of the obstruction (8) of effluent head.
2. the four way solenoid valve of band blockage structure relief valve according to claim 1, it is characterized in that, described blockage structure comprises, have the sealing obstruction (6) of the passage that communicates with the relief valve air outlet, stop up obstruction 8 that cooperates and the relief valve spring (7) that a crown is sealing on the disk that stops up, the other end withstands on the neck of obstruction 8 at effluent head and sealing.
3. the four way solenoid valve of band blockage structure relief valve according to claim 1, it is characterized in that, described relief valve comprises, the relief valve valve body (4) of carry potential overflow valve air gate (5), 0 shape circle in the relief valve valve body recess makes between relief valve valve body and the electromagnetic valve body and seals, (6) are stopped up in the sealing that withstand on relief valve valve body one end, has a passage that communicates with relief valve air outlet (5), at the relief valve spring (7) that effluent head and sealing are stopped up on the disk that the obstruction (8) that cooperates and a crown sealing obstruction, the other end withstands on the neck of obstruction (8).
4. according to the four way solenoid valve of the described band blockage structure of the arbitrary claim of claim 1--3 relief valve, it is characterized in that, the structure shape of described obstruction is, head is taper shape and can closely cooperates with the contacting part that sealing is stopped up, the middle part is with bamboo joint structure and spring close fit, the rear portion is the cylinder bodily form, and shrinkage pool is established in cylinder bodily form bottom.
5. the four way solenoid valve of band blockage structure relief valve according to claim 4 is characterized in that, described obstruction (8) adopts high-low temperature resistant, ageing-resistant silicone rubber to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101414339A CN101368629A (en) | 2007-08-13 | 2007-08-13 | Four-way solenoid valve with obstruction structure overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101414339A CN101368629A (en) | 2007-08-13 | 2007-08-13 | Four-way solenoid valve with obstruction structure overflow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101368629A true CN101368629A (en) | 2009-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101414339A Pending CN101368629A (en) | 2007-08-13 | 2007-08-13 | Four-way solenoid valve with obstruction structure overflow valve |
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| CN (1) | CN101368629A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943162A (en) * | 2010-09-25 | 2011-01-12 | 沈訚 | Pressure-adjusting screw pump |
| CN103453506A (en) * | 2013-01-17 | 2013-12-18 | 宁波海歌电器有限公司 | Home appliance steam system |
| CN103453149A (en) * | 2013-01-17 | 2013-12-18 | 宁波海歌电器有限公司 | Multifunctional electromagnetic valve |
| CN105736803A (en) * | 2016-04-23 | 2016-07-06 | 周冬娟 | Household electromagnetic valve control type steam device |
| CN106066031A (en) * | 2016-07-27 | 2016-11-02 | 芜湖蓓慈电器有限公司 | A kind of Novel heating system |
| CN109631059A (en) * | 2018-12-26 | 2019-04-16 | 江苏和顺环保有限公司 | Dangerous waste industry waste incinerator cleaning device |
| CN110374727A (en) * | 2019-09-03 | 2019-10-25 | 湖北农谷环保科技有限公司 | Urea injection system for diesel engine aftertreatment system |
-
2007
- 2007-08-13 CN CNA2007101414339A patent/CN101368629A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943162A (en) * | 2010-09-25 | 2011-01-12 | 沈訚 | Pressure-adjusting screw pump |
| CN103453506A (en) * | 2013-01-17 | 2013-12-18 | 宁波海歌电器有限公司 | Home appliance steam system |
| CN103453149A (en) * | 2013-01-17 | 2013-12-18 | 宁波海歌电器有限公司 | Multifunctional electromagnetic valve |
| CN105736803A (en) * | 2016-04-23 | 2016-07-06 | 周冬娟 | Household electromagnetic valve control type steam device |
| CN105736803B (en) * | 2016-04-23 | 2018-06-26 | 周冬娟 | Household electric magnet valve control type steam unit |
| CN106066031A (en) * | 2016-07-27 | 2016-11-02 | 芜湖蓓慈电器有限公司 | A kind of Novel heating system |
| CN109631059A (en) * | 2018-12-26 | 2019-04-16 | 江苏和顺环保有限公司 | Dangerous waste industry waste incinerator cleaning device |
| CN110374727A (en) * | 2019-09-03 | 2019-10-25 | 湖北农谷环保科技有限公司 | Urea injection system for diesel engine aftertreatment system |
| CN110374727B (en) * | 2019-09-03 | 2024-05-31 | 武汉洛特福动力技术有限公司 | Urea injection system for diesel engine aftertreatment system |
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Open date: 20090218 |