CN200961730Y - Flow proportional valve for fluid - Google Patents
Flow proportional valve for fluid Download PDFInfo
- Publication number
- CN200961730Y CN200961730Y CN 200620109183 CN200620109183U CN200961730Y CN 200961730 Y CN200961730 Y CN 200961730Y CN 200620109183 CN200620109183 CN 200620109183 CN 200620109183 U CN200620109183 U CN 200620109183U CN 200961730 Y CN200961730 Y CN 200961730Y
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- Prior art keywords
- valve
- diaphragm
- valve body
- fluid
- fluid flow
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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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- 239000012530 fluid Substances 0.000 title claims abstract description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000011148 porous material Substances 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000003502 gasoline Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
A flow proportional valve for fluid belongs to the technical field of automatic control of fluid and mainly comprises a valve body (2), an upper cavity cover (12) with an upper cavity hole (14), a pilot valve assembly (8) with a coil (11) and an iron core (21), a diaphragm (4) with a balance throttling small hole (5), a balance spring (7) with a balance spring seat (6), an inlet channel (1) and an outlet channel (17) which are arranged in the valve body (2), a guide column (16) which is arranged in the outlet channel (17) and is fixed at the middle part of the diaphragm (4) and is provided with a valve nozzle (9) and a pressure relief small hole (15), and the like. The utility model discloses a structural style that release aperture and inlet channel, exit channel combined together has realized that the homonymy advances out the fluid, makes the overall structure design of flow proportional valve more compact and reasonable, and it is convenient to make to the output of coil electromagnetic force is controlled to the electric current through adjusting the solenoid valve coil, thereby reaches the stepless output fluid of valve body.
Description
Technical field
The utility model relates to a kind of fluid flow proportion valve, belongs to the technical field of automatic control of fluid.
Background technique
Flow proportion valve is a kind ofly to obtain the electromagnetic flow valve of stepless output fluid flow by varying in size of input line solenoid valve loop current.No matter be factory, still public enterprises and institutions carry out packing, distribution and metering to gas, fire, low viscous oil or other chemical industry class fluid, all will control the flow value of output with flow proportion valve.Existing electromagnetic flow valve mainly contains two kinds: a kind of is bi-bit bi-pass Normally closed type diaphragm valve, and it comprises valve body, diaphragm, diaphragm seat, balance spring, electromagnetic priority valve etc.; Another kind is a double-flow-rate electromagnetic valve, and it has a big young waiter in a wineshop or an inn and plants the passage of fluid, two electromagnetic priority valves and valve body, diaphragm, diaphragm seat, balance spring etc.Its working principle is: the electromagnetic priority valve energising, the opening controlling valve mouth, the release of diaphragm epicoele, the liquid of diaphragm cavity of resorption overcomes the deadweight and the balance spring force of diaphragm seat with certain pressure, open diaphragm normally closed on the primary valve, the inflow road of valve body is communicated with efferent tract, and liquid flows out to outlet from import; When the electromagnetic priority valve dead electricity, moving iron core in the pilot valve is by Returnning spring power closing control valve port, owing to have one to make the identical balance throttle orifice of upper and lower cavity pressure on the diaphragm, and the compression area of diaphragm epicoele face is greater than the compression area of diaphragm cavity of resorption face, the deadweight and the balance spring force that add the upper diaphragm seat, diaphragm is closed primary valve rapidly, and liquid stops to export from valve outlet.
Before a kind of solenoid valve, control the pressure reduction of diaphragm upper and lower cavity with electromagnetic priority valve, diaphragm opens and closes being swift in motion of primary valve, flow is bigger.For given working pressure, the liquid measure of its outlet output need only be by decision current"on"time of electromagnetic priority valve.Yet to quantitatively control its output, must accurately control the actuation time of moving iron core in this electromagnetic priority valve, particularly work as liquid output amount more after a little while, the time of electromagnetic pilot opening of valves is shorter, troublesome poeration not only, be difficult to control, and the quantitative output prograin of liquid is low, will bring some unnecessary troubles thus.A kind of solenoid valve in back though structurally adopt large and small two fluid passages, increases the metering of solenoid valve, but it has increased a small flow electromagnetic control system, make the manufacturing process complexity of valve body, increase difficulty of processing, and have only large and small two kinds of flows.
Summary of the invention
It is a kind of reasonable in design that the purpose of this utility model is to provide, and compact structure can stepless output fluid, effectively the fluid flow proportion valve of raising metering accuracy.
The utility model is the fluid flow proportion valve, comprise valve body, place the upper chamber cover of lumen pore on the band of valve body top, place the pilot valve assembly of upper chamber cover top belt coil and iron core, place the diaphragm between valve body and the upper chamber cover, place the balance spring between lumen pore top and the diaphragm, it is characterized in that also being provided with in the valve body inlet passage and outlet passage, be provided with the band valve nozzle that is fixed in diaphragm middle part and the directional post of release aperture in the outlet passage, offer the balance throttling pore on the diaphragm between last lumen pore and the inlet passage.
Also can be provided with gasket seal in the bottom of described iron core, be provided with balance spring between the bottom of the bottom of iron core and pilot valve assembly.
Can be connected and fixed by nut between described pilot valve assembly and the upper chamber cover.Can be connected and fixed by bolt between described valve body and the upper chamber cover.
Also can be provided with seal ring between described diaphragm and the valve body.
The bottom of described balance spring can place on the equilibrium bomb spring abutment that is fixed in the diaphragm middle part.Described directional post and balance spring seat can be fixed in the middle part of diaphragm by coupling nut.
The utility model adopts release aperture and inlet passage, outlet passage structure combining form, has realized homonymy turnover fluid, the overall structure of flow proportion valve more is becoming tight gathers together reason, and is easily manufactured.And come the output of control coil electromagnetic force by the electric current of regulating electromagnetic valve coil, thereby reach the stepless output fluid of valve body, so not only solved the fluid output of small flow, and this valve can also be prepared the solution of variable concentrations according to a certain percentage between the solution of a kind of solution of high concentration and another kind of low density.Particularly in the application of gas station, can substitute present a plurality of oil vessels, floor space is economized on resources more for a short time with two oil vessels.As: with a kind of gasoline and a kind of low-grade gasoline of high grade, two kinds of gasoline inject same fuel tank in different ratios, just can obtain the gasoline of multiple label in the oilling machine.
Description of drawings
Fig. 1 is the overall structure sectional view under the utility model valve port closed condition;
Fig. 2 is the overall structure sectional view under the utility model valve port opening state;
Fig. 3 is an overall structure worm's eye view of the present utility model;
Fig. 4 is the structure enlarged diagram of K part shown in Figure 2.
Embodiment
The utility model is mainly by valve body 2, place the upper chamber cover 12 of lumen pore 14 on the valve body 2 top bands, place the pilot valve assembly 8 of upper chamber cover 12 top belt coils 11 and iron core 21, place the diaphragm 4 of being with balance throttling pore 5 and seal ring 3 between valve body 2 and the upper chamber cover 12, place the balance spring 7 of band equilibrium bomb spring abutment 6 between lumen pore 14 tops and the diaphragm 4, place inlet passage 1 and outlet passage 17 in the valve body 2, place outlet passage 17 internal fixation in the band valve nozzle 9 at diaphragm 4 middle parts and the directional post 16 of release aperture 15, place the gasket seal 18 of iron core 21 bottoms, place the formations such as balance spring 20 between iron core 21 bottoms and pilot valve assembly 8 bottoms.Be connected and fixed by nut 19 between pilot valve assembly 8 and the upper chamber cover 12, be connected and fixed by bolt 13 between valve body 2 and the upper chamber cover 12, directional post 16 and balance spring seat 6 are fixed in the middle part of diaphragm 4 by coupling nut 10.
During work, when coil 11 no electric circuits, under the effect of balance spring 20, poppet port B closes, and the pilot valve path is cut off, last lumen pore 14 is a static pressure, at this moment, under 5 effects of the balance throttling pore on the diaphragm 4, the inlet passage 1 of diaphragm 4 both sides and the pressure of last lumen pore 14 equate, at balance spring 7 and above the directional post 16 under the effect of the hydrodynamic pressure at corresponding diaphragm 4 places, primary valve A closes.This moment, flow proportion valve did not have flow output.
When electromagnetic coil is fed certain electric current, coil 11 produces a corresponding magnetic force, this magnetic force compression balance spring 20, driving iron core 21 and gasket seal 18 moves upward, poppet port B promptly is opened, under the effect of release aperture 15, the pressure fluid of the last lumen pore 14 of diaphragm 4 is by the part release, the pressure of diaphragm 4 downside inlet passages 1 is greater than the pressure of lumen pore on the upside 14, this pressure difference compression balance spring 7, promote directional post 16 and move up, primary valve A opens, and fluid flows out rapidly to outlet passage 17 by inlet passage 1 and primary valve A along the direction of arrow shown in attached Fig. 1 and 2.Along with the input current increase of coil 11, magnetic force increases the compression displacement of balance spring 20, and the aperture of poppet port B is big more, the also corresponding increase of the pressure difference up and down of diaphragm 4, directional post 16 moves up apart from increasing, and primary valve A aperture increases, and the flow of output is also big more in the outlet passage 17.So the output flow of valve body has promptly been realized stepless output flow along with the electric current of coil 11 inputs increases and increases.
Claims (7)
1, a kind of fluid flow proportion valve, comprise valve body (2), place the upper chamber cover (12) of lumen pore (14) on the band of valve body (2) top, place the pilot valve assembly (8) of upper chamber cover (12) top belt coil (11) and iron core (21), place the diaphragm (4) between valve body (2) and the upper chamber cover (12), place the balance spring (7) between lumen pore (14) top and the diaphragm (4), it is characterized in that also being provided with in the valve body (2) inlet passage (1) and outlet passage (17), be provided with the band valve nozzle (9) that is fixed in diaphragm (4) middle part and the directional post (16) of release aperture (15) in the outlet passage (17), offer balance throttling pore (5) on the diaphragm (4) between last lumen pore (14) and the inlet passage (1).
2, by the described fluid flow proportion valve of claim 1, it is characterized in that also being provided with gasket seal (18) in the bottom of described iron core (21), be provided with balance spring (20) between the bottom of the bottom of iron core (21) and pilot valve assembly (8).
3, by the described fluid flow proportion valve of claim 1, it is characterized in that being connected and fixed by nut (19) between described pilot valve assembly (8) and the upper chamber cover (12).
4, by the described fluid flow proportion valve of claim 1, it is characterized in that being connected and fixed by bolt (13) between described valve body (2) and the upper chamber cover (12).
5, by the described fluid flow proportion valve of claim 1, it is characterized in that also being provided with seal ring (3) between described diaphragm (4) and the valve body (2).
6,, it is characterized in that the bottom of described balance spring (7) places on the equilibrium bomb spring abutment (6) that is fixed in diaphragm (4) middle part by the described fluid flow proportion valve of claim 1.
7, by claim 1 or 6 described fluid flow proportion valves, it is characterized in that described directional post (16) and balance spring seat (6) are fixed in the middle part of diaphragm (4) by coupling nut (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620109183 CN200961730Y (en) | 2006-10-31 | 2006-10-31 | Flow proportional valve for fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620109183 CN200961730Y (en) | 2006-10-31 | 2006-10-31 | Flow proportional valve for fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200961730Y true CN200961730Y (en) | 2007-10-17 |
Family
ID=38798247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620109183 Expired - Fee Related CN200961730Y (en) | 2006-10-31 | 2006-10-31 | Flow proportional valve for fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200961730Y (en) |
Cited By (8)
| 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 |
| CN105446370A (en) * | 2015-11-20 | 2016-03-30 | 高佳 | Air flow controller for electronic product testing box |
| CN105937629A (en) * | 2016-06-15 | 2016-09-14 | 温州大阳科技有限公司 | Double-sealing solenoid valve |
| CN106969175A (en) * | 2017-05-10 | 2017-07-21 | 成都特恩达燃气设备有限公司 | A kind of direct acting guide electromagnetic valve |
| CN108005751A (en) * | 2016-11-02 | 2018-05-08 | 曼·胡默尔有限公司 | For adjusting or controlling the unit of Fluid pressure |
| CN108266558A (en) * | 2018-03-29 | 2018-07-10 | 余姚市三力信电磁阀有限公司 | A kind of solenoid valve diaphragm unit |
| CN110502041A (en) * | 2019-07-22 | 2019-11-26 | 北京控制工程研究所 | A kind of miniflow amount control system and method based on piezoelectric proportional valve |
| CN111550386A (en) * | 2020-06-03 | 2020-08-18 | 厦门坤锦电子科技有限公司 | Quick relief valve assembly and integral diaphragm pump using same |
-
2006
- 2006-10-31 CN CN 200620109183 patent/CN200961730Y/en not_active Expired - Fee Related
Cited By (10)
| 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 |
| CN105446370A (en) * | 2015-11-20 | 2016-03-30 | 高佳 | Air flow controller for electronic product testing box |
| CN105937629A (en) * | 2016-06-15 | 2016-09-14 | 温州大阳科技有限公司 | Double-sealing solenoid valve |
| CN108005751A (en) * | 2016-11-02 | 2018-05-08 | 曼·胡默尔有限公司 | For adjusting or controlling the unit of Fluid pressure |
| CN106969175A (en) * | 2017-05-10 | 2017-07-21 | 成都特恩达燃气设备有限公司 | A kind of direct acting guide electromagnetic valve |
| CN106969175B (en) * | 2017-05-10 | 2019-11-19 | 成都特恩达燃气设备有限公司 | A kind of direct acting guide electromagnetic valve |
| CN108266558A (en) * | 2018-03-29 | 2018-07-10 | 余姚市三力信电磁阀有限公司 | A kind of solenoid valve diaphragm unit |
| CN110502041A (en) * | 2019-07-22 | 2019-11-26 | 北京控制工程研究所 | A kind of miniflow amount control system and method based on piezoelectric proportional valve |
| CN110502041B (en) * | 2019-07-22 | 2022-10-21 | 北京控制工程研究所 | Micro-flow control system and method based on piezoelectric proportional valve |
| CN111550386A (en) * | 2020-06-03 | 2020-08-18 | 厦门坤锦电子科技有限公司 | Quick relief valve assembly and integral diaphragm pump using same |
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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 |