CN201902599U - Proportional control electromagnetic valve - Google Patents
Proportional control electromagnetic valve Download PDFInfo
- Publication number
- CN201902599U CN201902599U CN2010206847536U CN201020684753U CN201902599U CN 201902599 U CN201902599 U CN 201902599U CN 2010206847536 U CN2010206847536 U CN 2010206847536U CN 201020684753 U CN201020684753 U CN 201020684753U CN 201902599 U CN201902599 U CN 201902599U
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- Prior art keywords
- coil
- isolation diaphragm
- ratio
- solenoid valve
- fluid
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- Expired - Fee Related
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Abstract
The utility model relates to a proportional control electromagnetic valve. The electromagnetic valve comprises a valve body and an electromagnetic driving part, wherein the valve body is provided with a fluid inlet and a fluid outlet; the electromagnetic driving part is provided with a coil framework, a coil, a fixed iron core, a movable iron core, a middle connecting piece and a spring; the coil framework is provided with a penetrating passage, the coil winds outside the coil framework, the fixed iron core is positioned at the top of the electromagnetic driving part, the movable iron core can move relative to the fixed iron core, the middle connecting piece is positioned below the movable iron core and connected with the movable iron core, and the spring is positioned between the movable iron core and the middle connecting piece; and an isolating membrane is positioned between the valve body and the electromagnetic driving part and corresponds to the fluid inlet and the fluid outlet. When the coil is loaded with different working voltages, the movable iron core generates different stroke displacements towards the fixed iron core and drives the isolating membrane to generate different degrees of deformation, so as to open the fluid inlet and the fluid outlet at different degrees and further generate different fluid flows. Through the isolating membrane arranged between the electromagnetic driving part and the valve body, fluid is effectively prevented from entering the electromagnetic driving part, so that the corrosion resistance of the proportional control electromagnetic valve is improved.
Description
Technical field
The utility model relates to a kind of solenoid valve, relates in particular to a kind of ratio and regulates solenoid valve.
Background technique
It is that a kind of proportionally regulating valve is opened the final controlling element of size with control media flow in pipeline that ratio is regulated solenoid valve, and it is widely used in combustion gas heating installation, gas water-heater and other need regulate all occasions of flow.That existing ratio adjusting valve mostly adopts is electronic, electromagnetism moving or mode such as startup is controlled.
Chinese patent is announced CN2823724Y number and has been disclosed a kind of ratio adjusting solenoid valve.This ratio is regulated the electromagnetic coil that solenoid valve comprises tubular valve body, spool, is fixed on the tubular valve body middle part.Spool also is positioned at tubular valve body and is made up of with the column magnet case that links to each other with valve gap conical valve gap.Conical valve gap and valve seat match, and spool central authorities offer through hole.This through hole one end is communicated with the solenoid valve import, and the other end pressure balance cover inner chamber interior with being installed in electromagnetic valve outlet is communicated with.Be equipped with between spool and the valve body and can make spool and the airtight spring of valve seat.During use, solenoid valve is linked to each other with the pipeline of fed sheet of a media.When giving the electromagnetic coil certain voltage, the column magnet case overcomes the elastic force of spring and begins to be raised and drive conical valve gap and move up.Medium in the pipeline enters valve body by the import of solenoid valve, and discharges from the outlet of valve body.Along with voltage progressively improves, conical valve gap improves accordingly in proportion, and the rate-of flow of discharge also can increase in proportion.This process is maintained to supply voltage when reaching rating value, and flow also reaches maximum value.If after this voltage progressively descends, the also corresponding decline in conical valve gap position and turning down, its flow also reduces thereupon in proportion.
Therefore, the ratio that above-mentioned patent disclosed is regulated solenoid valve and is realized that by regulating voltage control flow rate changes.In the time of need in the instrument using process, regulating flow, can adopt the solenoid valve of this type.Yet, because what it adopted is direct dynamic structure, be that the medium ratio that can enter is regulated solenoid valve inside, ratio is regulated the various metal partss of solenoid valve inside, behind contact mediums such as spool, valve gap, be corroded easily, or react the precipitating metal ion with medium, and then influence the quality of medium, cause the analysis result even the failure of client's instrument.
Therefore, need provide a kind of and can corrosion resistant ratio regulate solenoid valve to overcome the shortcoming of prior art.
The model utility content
The purpose of this utility model is to provide a kind of ratio to regulate solenoid valve, and it has very strong corrosion resistance, improves analysis precision.
For achieving the above object, the utility model is to regulate solenoid valve about a kind of ratio, and it comprises: valve body and electromagnetic drive part with fluid input and fluid output.Electromagnetic drive part has the coil rack that offers penetrating via, is wound in the outer coil of coil rack, at the secured core at electromagnetic drive part top and the movable core that can move, below the movable core and coupled intermediate connector, and spring between movable core and intermediate connector with respect to secured core.Have isolation diaphragm between valve body and the electromagnetic drive part, it is between electromagnetic drive part and valve body and corresponding with above-mentioned fluid input and fluid output.When coil was loaded different operating voltage, movable core produced different travel displacement and drives isolation diaphragm to the secured core direction and produces in various degree distortion to open in various degree fluid input with outlet and then produce different fluid flows.
As further improvement of the utility model, behind the described coil electricity, generation can drive the driving force that movable core moves to secured core, wherein be applied to the operating voltage difference of coil, the driving force difference that coil produces, the travel displacement difference of movable core, and then drive isolation diaphragm generation distortion in various degree, and pressure spring.
As further improvement of the utility model, behind the described coil blackout, coil disappears to the driving force that movable core produces, and the elastic-restoring force of spring drives movable core and isolation diaphragm resets, thus buffer fluid inlet and fluid output.
As further improvement of the utility model, described isolation diaphragm is made by resistant material.
As further improvement of the utility model, described resistant material is the PTFE(teflon).
As further improvement of the utility model, described intermediate connector is that metal material is made and separator spring and isolation diaphragm.
As further improvement of the utility model, described intermediate connector is fixedlyed connected with movable core and isolation diaphragm respectively, and its least significant end is formed with stepped part, and one section of its medi-spring is against this stepped part.
As further improvement of the utility model, described electromagnetic drive part and valve body are formed with jointly and can produce the cavity of deformation for isolation diaphragm, and wherein isolation diaphragm produces different deformation and then can produce different fluid flows in cavity.
The beneficial effects of the utility model are: by being arranged at the isolation diaphragm between electromagnetic drive part and the valve body, improved the corrosion resistance that ratio is regulated solenoid valve.
Description of drawings
Fig. 1 is the partial sectional view that the utility model ratio is regulated solenoid valve.
Embodiment
See also Fig. 1, the utility model ratio is regulated solenoid valve 100 and is comprised the valve body 2 in the bottom, the electromagnetic drive part 3 that is installed on valve body 2 tops and the isolation diaphragm 4 between valve body 2 and electromagnetic drive part 3.Valve body 2 offers fluid output 21 and fluid input 22.Valve body 2 and electromagnetic drive part 3 are formed with jointly and can produce the cavity 40 of deformation for isolation diaphragm 4.
Electromagnetic drive part 3 comprises case 31, be contained in the case 31 and have the coil rack 32 of the penetrating via 320 of central authorities, be wound in the coil 33 outside the coil rack 32, be positioned at the secured core 36 that electromagnetic drive part top and part are contained in penetrating via 320, be positioned at the movable core 34 that secured core 36 belows and part are contained in penetrating via 320, be positioned at movable core 34 belows and connected intermediate connector 38, and the spring 35 between intermediate connector 38 and electromagnetic drive part 3.Coil 33 connects the power line 37 that passes case 31.Intermediate connector 38 is metal material and is connected with isolation diaphragm 4, is used for separator spring 35 and isolation diaphragm 4, avoids causing infringement to isolation diaphragm 4 because of spring compression and resilience repeatedly.Intermediate connector 38 is formed with stepped part 380 bottom, and spring 5 is seated this stepped part 380.
When the utility model ratio was regulated solenoid valve 100 energisings, external power supply provided operating voltage by power line 37 for coil 33.Coil 33 produces electromagnetic actuation forces, drives movable core 34 and moves to secured core 36, and drive intermediate connector 38 and move up, and then drive isolation diaphragm 4 and upwards heave stepped part 380 pressure springs 5 of intermediate connector 38.Therefore outlet 21 of isolation diaphragm 4 communication of fluid and the fluid input 22 upwards heaved can allow fluid pass through.The operating voltage that loads on coil 33 is variable, progressively raising along with operating voltage, the stroke of movable core 34 can be elongated gradually, therefore driving the degree that isolation diaphragm 4 upwards heaves strengthens gradually, the degree of just opening fluid input 22 increases gradually, therefore, the fluid flow that passes through also can increase in proportion.This process is maintained to supply voltage when reaching rating value, and fluid flow also reaches maximum value.Therefore adjust flow if desired and diminish, then operating voltage progressively descends, and the stroke of movable core 34 shortens, and drives the degree that isolation diaphragm 4 upwards heaves and diminishes, and therefore the flow by fluid output also reduces thereupon in proportion.
When 100 outages of the utility model ratio adjusting valve, the operating voltage that loads on coil 33 disappears, the elastic-restoring force of pressure spring 5 can drive intermediate connector 38 at this moment, movable core 34 moves to the direction away from secured core 36, and drive isolation diaphragm 4 resets.Isolation diaphragm 4 after resetting can sealing fluid outlet 21 and fluid input 22.In the whole process, isolation diaphragm 4 seals electromagnetic drive part 3 all the time, stops fluid to enter electromagnetic drive part 3.Simultaneously, because isolation diaphragm 4 is to be made by resistant material, so fluid can be Korrosionsmedium, enlarged the application of ratio adjusting valve 100.
Special needs to be pointed out is, only regulate solenoid valve 100 as example with this ratio in the utility model embodiment, the ratio of other types is regulated solenoid valve and all is suitable for the principle that the utility model discloses in actual applications.For the person of ordinary skill of the art, that is done under instruction of the present utility model changes at equivalence of the present utility model, must be included in the scope that the utility model claim advocated.
Claims (8)
1. a ratio is regulated solenoid valve, and it comprises: valve body and electromagnetic drive part with fluid input and fluid output; Electromagnetic drive part has the coil rack that offers penetrating via, is wound in the outer coil of coil rack, at the secured core at electromagnetic drive part top and the movable core that can move, below the movable core and coupled intermediate connector, and spring between movable core and intermediate connector with respect to secured core; It is characterized in that: have isolation diaphragm between valve body and the electromagnetic drive part, it is between electromagnetic drive part and valve body and corresponding with above-mentioned fluid input and fluid output; When wherein coil being loaded different operating voltage, movable core produces different travel displacement and drives isolation diaphragm to the secured core direction and produces in various degree distortion to open in various degree fluid input with outlet and then produce different fluid flows.
2. ratio as claimed in claim 1 is regulated solenoid valve, it is characterized in that, behind the described coil electricity, generation can drive the driving force that movable core moves to secured core, wherein be applied to the operating voltage difference of coil, the driving force difference that coil produces, the travel displacement difference of movable core, and then drive isolation diaphragm generation distortion in various degree, and pressure spring.
3. ratio as claimed in claim 2 is regulated solenoid valve, it is characterized in that behind the described coil blackout, coil disappears to the driving force that movable core produces, the elastic-restoring force of spring drives movable core and isolation diaphragm resets, thus buffer fluid inlet and fluid output.
4. ratio as claimed in claim 1 is regulated solenoid valve, it is characterized in that described isolation diaphragm is made by resistant material.
5. ratio as claimed in claim 4 is regulated solenoid valve, it is characterized in that described resistant material is the PTFE(teflon).
6. ratio as claimed in claim 1 is regulated solenoid valve, it is characterized in that, described intermediate connector is that metal material is made and separator spring and isolation diaphragm.
7. ratio as claimed in claim 6 is regulated solenoid valve, it is characterized in that described intermediate connector is fixedlyed connected with movable core and isolation diaphragm respectively, and its least significant end is formed with stepped part, and one section of its medi-spring is against this stepped part.
8. ratio as claimed in claim 1 is regulated solenoid valve, it is characterized in that, described electromagnetic drive part and valve body are formed with jointly and can produce the cavity of deformation for isolation diaphragm, and wherein isolation diaphragm produces different deformation and then can produce different fluid flows in cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206847536U CN201902599U (en) | 2010-12-28 | 2010-12-28 | Proportional control electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206847536U CN201902599U (en) | 2010-12-28 | 2010-12-28 | Proportional control electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201902599U true CN201902599U (en) | 2011-07-20 |
Family
ID=44273193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206847536U Expired - Fee Related CN201902599U (en) | 2010-12-28 | 2010-12-28 | Proportional control electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201902599U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537408A (en) * | 2010-12-28 | 2012-07-04 | 高砂电气(苏州)有限公司 | Proportional control electromagnetic valve |
| CN110195787A (en) * | 2018-02-27 | 2019-09-03 | 宁波佳音机电科技股份有限公司 | Solenoid valve |
-
2010
- 2010-12-28 CN CN2010206847536U patent/CN201902599U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537408A (en) * | 2010-12-28 | 2012-07-04 | 高砂电气(苏州)有限公司 | Proportional control electromagnetic valve |
| CN110195787A (en) * | 2018-02-27 | 2019-09-03 | 宁波佳音机电科技股份有限公司 | Solenoid 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: 20110720 Termination date: 20131228 |