CN104315233A - Valve control mechanism - Google Patents
Valve control mechanism Download PDFInfo
- Publication number
- CN104315233A CN104315233A CN201410626769.4A CN201410626769A CN104315233A CN 104315233 A CN104315233 A CN 104315233A CN 201410626769 A CN201410626769 A CN 201410626769A CN 104315233 A CN104315233 A CN 104315233A
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- CN
- China
- Prior art keywords
- valve
- double
- gas holder
- air
- gas
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
Abstract
The invention discloses a valve control mechanism. The valve control mechanism comprises an air storage tank, a two-phase five-way solenoid valve, a first air control valve, a second air control valve, quick discharging valves, a tee joint and a double-acting air cylinder; the air storage tank is communicated with an exterior air source through a connecting pipe; three connecting openings of the tee joint are respectively connected with the air storage tank and two air openings of the double-acting air cylinder through connecting pipes; the first air control valve and the second air control valve are respectively arranged on two connecting pipes between the double-acting air cylinder and the tee joint; the quick discharging valves are respectively arranged on the two connecting pipes between the double-acting air cylinder and the tee joint; two channels of the two-phase five-way magnetic valve are respectively connected with and control the first air control valve and the second air control valve; the two-phase five-way solenoid valve is connected with the exterior air source. The valve control mechanism adopts the double-acting air cylinder and accordingly reduces valve costs.
Description
Technical field
The present invention relates to a kind of control gear, be specifically related to a kind of valve control mechanism.
Background technique
Valve is the controlling component in fluid delivery system, has cut-off, adjustment, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.For the valve of liquid control system, various valves used from the simplest stop valve to very complicated robot control system(RCS), its kind and specification are quite various.Valve can be used for the flowing controlling all kinds fluids such as air, water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium.
The control of valve can adopt the multiple kind of drive, as manual, electronic, surge, pneumatic and electromagnetic driven etc.; Can under the effect of pressure, temperature or other form transducing signal, by predetermined requirement action, or do not rely on transducing signal and simply open or close, valve rely on drive or automechanism makes open-shut device be elevated, slippage, swing or rotation motion, thus the size changing its Flow area is to realize its controlling functions.
For pneumatic valve, be exactly the valve by compressed air-driven, existing pneumatic valve adopts the opening and closing of single-acting cylinder Air control valve usually.At present, the difference of known double-acting cylinder and single-acting cylinder is mainly: single-acting cylinder spring more than double-acting cylinder, thus raises the cost, so single-acting cylinder is often expensive than double-acting cylinder, the little cylinder price of specification often gap is little, but the cylinder difference in selling prices great disparity that specification is large.
Summary of the invention
For the defect that above-mentioned prior art exists, the object of the present invention is to provide a kind of employing double-acting cylinder, thus reduce the valve control mechanism of valve cost.
For achieving the above object, technological scheme of the present invention is as follows:
Valve control mechanism, comprise gas holder, wherein, also be provided with two five-way electromagnetic valves, first Pneumatic valve, second Pneumatic valve, fast-discharge valve, tee union and double-acting cylinder, described gas holder is communicated with external air source by connecting tube, three interfaces of described tee union connect two gas ports of gas holder and double-acting cylinder respectively by connecting tube, described first Pneumatic valve, second Pneumatic valve is arranged on two connecting tubes between double-acting cylinder and tee union respectively, two connecting tubes between double-acting cylinder and tee union are also respectively equipped with fast-discharge valve, two passages of described two five-way electromagnetic valves connect respectively and control the first Pneumatic valve, second Pneumatic valve, and two five-way electromagnetic valves are connected with external air source.
When adopting technique scheme, when two five-way electromagnetic valve power-off, the passage that two five-way electromagnetic valves connect the first Pneumatic valve is opened, connect the pathway closure of the second Pneumatic valve, the pressurized gas of external air source is through two five-way electromagnetic valves and enter the first Pneumatic valve, and the first Pneumatic valve is opened, now, pressurized gas in gas holder enters a gas port of double-acting cylinder through tee union, the first Pneumatic valve, the piston promoted in double-acting cylinder moves, thus drive piston rod to move towards side, thus the valve rod of valve is driven to rotate; When two five-way electromagnetic valve energisings, the passage that two five-way electromagnetic valves connect the second Pneumatic valve is opened, connect the pathway closure of the first Pneumatic valve, the pressurized gas of external air source is through two five-way electromagnetic valves and enter the second Pneumatic valve, and the second Pneumatic valve is opened, now, pressurized gas in gas holder enters the another one gas port of double-acting cylinder through tee union, the second Pneumatic valve, the piston reverses direction promoted in double-acting cylinder moves, thus drive piston rod to move towards opposite side, thus the valve rod of valve is driven to rotate backward.Two above-mentioned processes one of them be open valve, another is then throttle down.The present invention adopts double-acting cylinder to realize the opening and closing of valve, because the price of double-acting cylinder is relatively inexpensive, so the cost of valve is also relatively low.
Further, be provided with one-way valve between described gas holder and external air source, this one-way valve is open mode by external air source to gas holder.One-way valve can prevent the gas backflow in gas holder from entering in the connecting tube be communicated with external air source.
Further, be provided with drain pipe bottom described gas holder, and be provided with blowdown valve on drain pipe.Gas pressure in gas holder is comparatively large, so have condenses after a period of time out, opens blowdown valve and just liquid can be drained, prevent liquid from causing corrosion to gas holder.
Further, described gas holder top is provided with safety valve.Gas in gas holder is pressurized gas, so the pressure in gas holder is higher, overpressure can cause danger, and the gas in gas holder when gas holder internal pressure is too high, can be released by safety valve, reduces the pressure in gas holder.
Further, three linked piece is provided with between described source of the gas and two five-way electromagnetic valves.Three linked piece comprises air filter, reduction valve and oil sprayer three kinds of source of the gas processing elements, thus the gas purification entering two five-way electromagnetic valves can be filtered and is decompressed to instrument and supplies specified bleed pressure.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the structural representation of valve control mechanism embodiment of the present invention.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference character in Figure of description comprises: gas holder 1, two five-way electromagnetic valve 2, tee union 3, first Pneumatic valve 4, second Pneumatic valve 5, fast-discharge valve 6, double-acting cylinder 7, safety valve 8, drain pipe 9, blowdown valve 10, three linked piece 11, one-way valve 12.
As shown in Figure 1, a kind of valve control mechanism, comprise gas holder 1, wherein, also be provided with two five-way electromagnetic valves 2, first Pneumatic valve 4, second Pneumatic valve 5, fast-discharge valve 6, tee union 3 and double-acting cylinder 7, gas holder 1 is communicated with external air source by connecting tube, three interfaces of tee union 3 connect two gas ports of gas holder 1 and double-acting cylinder 7 respectively by connecting tube, first Pneumatic valve 4, second Pneumatic valve 5 is arranged on two connecting tubes between double-acting cylinder 7 and tee union 3 respectively, two connecting tubes between double-acting cylinder 7 and tee union 3 are also respectively equipped with fast-discharge valve 6, two passages of two five-way electromagnetic valves 2 connect respectively and control the first Pneumatic valve 4, second Pneumatic valve 5, and two five-way electromagnetic valves 2 are connected with external air source.
In the present embodiment, be provided with one-way valve 12 between gas holder 1 and external air source, this one-way valve 12 is open mode by external air source to gas holder 1.One-way valve 12 can prevent the gas backflow in gas holder 1 from entering in the connecting tube be communicated with external air source.
Be provided with drain pipe 9 bottom gas holder 1, and be provided with blowdown valve 10 on drain pipe 9.Gas pressure in gas holder 1 is comparatively large, so have condenses after a period of time out, opens blowdown valve 10 and just liquid can be drained, prevent liquid from causing corrosion to gas holder 1.
Gas holder 1 top is provided with safety valve 8.Gas in gas holder 1 is pressurized gas, so the pressure in gas holder 1 is higher, overpressure can cause danger, and the gas in gas holder 1 when gas holder 1 internal pressure is too high, can be released by safety valve 8, reduces the pressure in gas holder 1.
Three linked piece 11 is provided with between source of the gas and two five-way electromagnetic valves 2.Three linked piece 11 comprises air filter, reduction valve and oil sprayer three kinds of source of the gas processing elements, thus the gas purification entering two five-way electromagnetic valves 2 can be filtered and is decompressed to instrument and supplies specified bleed pressure.
Specific works principle:
As shown in Figure 1, when two five-way electromagnetic valve 2 power-off, the passage that two five-way electromagnetic valves 2 connect the first Pneumatic valve 4 is opened, connect the pathway closure of the second Pneumatic valve 5, the pressurized gas of external air source is through two five-way electromagnetic valves 2 and enter the first Pneumatic valve 4, and the first Pneumatic valve 4 is opened, now, pressurized gas in gas holder 1 enters a gas port of double-acting cylinder 7 through tee union 3, first Pneumatic valve 4, the piston promoted in double-acting cylinder 7 moves, thus drive piston rod to move towards side, thus the valve rod of valve is driven to rotate; When two five-way electromagnetic valves 2 are energized, the passage that two five-way electromagnetic valves 2 connect the second Pneumatic valve 5 is opened, connect the pathway closure of the first Pneumatic valve 4, the pressurized gas of external air source is through two five-way electromagnetic valves 2 and enter the second Pneumatic valve 5, and the second Pneumatic valve 5 is opened, now, pressurized gas in gas holder 1 enters the another one gas port of double-acting cylinder 7 through tee union 3, second Pneumatic valve 5, the piston reverses direction promoted in double-acting cylinder 7 moves, thus drive piston rod to move towards opposite side, thus the valve rod of valve is driven to rotate backward.Two above-mentioned processes one of them be open valve, another is then throttle down.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in specification etc. record the content that may be used for explaining claim.
Claims (5)
1. valve control mechanism, comprise gas holder, it is characterized in that, also be provided with two five-way electromagnetic valves, first Pneumatic valve, second Pneumatic valve, fast-discharge valve, tee union and double-acting cylinder, described gas holder is communicated with external air source by connecting tube, three interfaces of described tee union connect two gas ports of gas holder and double-acting cylinder respectively by connecting tube, described first Pneumatic valve, second Pneumatic valve is arranged on two connecting tubes between double-acting cylinder and tee union respectively, two connecting tubes between double-acting cylinder and tee union are also respectively equipped with fast-discharge valve, two passages of described two five-way electromagnetic valves connect respectively and control the first Pneumatic valve, second Pneumatic valve, and two five-way electromagnetic valves are connected with external air source.
2. valve control mechanism according to claim 1, is characterized in that, is provided with one-way valve between described gas holder and external air source, and this one-way valve is open mode by source of the gas to gas holder.
3. valve control mechanism according to claim 1, is characterized in that, is provided with drain pipe, and is provided with blowdown valve bottom described gas holder on drain pipe.
4. valve control mechanism according to claim 1, is characterized in that, described gas holder top is provided with safety valve.
5. valve control mechanism according to claim 1, is characterized in that, is provided with three linked piece between described source of the gas and two five-way electromagnetic valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410626769.4A CN104315233A (en) | 2014-11-10 | 2014-11-10 | Valve control mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410626769.4A CN104315233A (en) | 2014-11-10 | 2014-11-10 | Valve control mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104315233A true CN104315233A (en) | 2015-01-28 |
Family
ID=52370509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410626769.4A Pending CN104315233A (en) | 2014-11-10 | 2014-11-10 | Valve control mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104315233A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169742A (en) * | 2015-09-14 | 2015-12-23 | 江苏新美星包装机械股份有限公司 | Lifting device used for extraction pot bottom cover |
| CN107461540A (en) * | 2017-09-12 | 2017-12-12 | 广东粤电靖海发电有限公司 | A kind of high row's ventilation valve control system of million power generator turbines |
-
2014
- 2014-11-10 CN CN201410626769.4A patent/CN104315233A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169742A (en) * | 2015-09-14 | 2015-12-23 | 江苏新美星包装机械股份有限公司 | Lifting device used for extraction pot bottom cover |
| CN107461540A (en) * | 2017-09-12 | 2017-12-12 | 广东粤电靖海发电有限公司 | A kind of high row's ventilation valve control system of million power generator turbines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150128 |