CN203176505U - Electromagnetic hydraulic combined normally-closed valve - Google Patents
Electromagnetic hydraulic combined normally-closed valve Download PDFInfo
- Publication number
- CN203176505U CN203176505U CN 201320088439 CN201320088439U CN203176505U CN 203176505 U CN203176505 U CN 203176505U CN 201320088439 CN201320088439 CN 201320088439 CN 201320088439 U CN201320088439 U CN 201320088439U CN 203176505 U CN203176505 U CN 203176505U
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- CN
- China
- Prior art keywords
- valve
- hydraulic cylinder
- oil hydraulic
- valve body
- piston
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to an electromagnetic hydraulic combined normally-closed valve comprising a valve body. An inlet port is arranged in a water inlet of the valve body, a hydraulic cylinder is arranged above the valve body, a connector is arranged between the hydraulic cylinder and the valve body, the connector is provided with a lower cavity port, a cylinder cover is arranged above the hydraulic cylinder, an upper cavity port is arranged in the cylinder cover, a spring is disposed between the cylinder cover and a piston, and a two-position-four-way electromagnetic reversing valve is respectively connected with the inlet port, the upper cavity port, the lower cavity port and a water tank through control circuits. When the valve is closed, the inlet port and the upper cavity port form a communicated circuit, and the lower cavity port and the water tank form a drainage circuit. When the valve is opened, the inlet port and the lower cavity port form a communicated circuit, and the upper cavity port and the water tank form a drainage circuit. The electromagnetic hydraulic combined normally-closed valve has the advantages that sealing pressure of the valve is always equal to tension of the spring and has nothing to do with pipeline pressure, electricity consumption is little, and the valve can be opened or closed rapidly and stably.
Description
Technical field
The utility model relates to the pressure piping valve technology field, is specifically related to a kind of electromagnetic hydraulic pressure combined valve.
Background technique
At present, mostly valve in the pressure piping is electric valve, or directly adopt the switch of screw mandrel manual control valve, these valves have common characteristics, need bigger external force when being switch, the process of switch is consuming time longer simultaneously, when closing, along with the pressure increase of pipeline, airtight performance weakens to some extent.
Summary of the invention
The purpose of this utility model is at above-mentioned deficiency, proposes a kind ofly by solenoid valve and the folding of hydraulic control system combined control valve door, moves rapid and stable electromagnetic hydraulic pressure combination normal closed gate simultaneously.
The technical solution adopted in the utility model is: electromagnetic hydraulic pressure combination normal closed gate, comprise valve body (1), vertically be provided with valve rod (101) in the valve body (1), valve rod (101) end is connected with spool (102), valve body (1) be provided with level water outlet (103) and with the vertically disposed water intake of water outlet (103) (104), it is characterized in that: also comprise
Oil hydraulic cylinder (2), cylinder cap (201), connecting body (3), two-position four-way solenoid directional control valve (4), control loop (5);
Described valve body (1) water intake (104) locates to be provided with import interface (11);
Described oil hydraulic cylinder (2) is positioned at valve body (1) top, is provided with connecting body (3) between oil hydraulic cylinder (2) and the valve body (1), and connecting body (3) is provided with cavity of resorption interface (31);
Described valve rod (101) pass connecting body (3) and and connecting body (3) between slipper seal; Described valve rod (101) top is positioned at oil hydraulic cylinder (2);
Described piston (203) is fixed on valve rod (101) top by hold down gag (202), and piston (203) is connected with oil hydraulic cylinder (2) inner wall sealing;
Described oil hydraulic cylinder (2) top is provided with cylinder cap (201), and cylinder cap (201) is provided with epicoele interface (21);
Be provided with spring (204) between described cylinder cap (201) and the piston (203);
The control loop (5) that passes through of described two-position four-way solenoid directional control valve (4) connects import interface (11), epicoele interface (21), cavity of resorption interface (31) and water tank respectively.
Preferably, described oil hydraulic cylinder (2) internal diameter equates with the internal diameter of water intake (104).
Preferably, adopt L type seal ring (207) sealing between described piston (203) and oil hydraulic cylinder (2) inwall.
Preferably, be provided with guide cup (205) between described hold down gag (202) and the piston (203), described spring (204) one ends are positioned at guide cup (205).
Further preferred, described guide cup (205) side is provided with a plurality of thin discharge orifices (206), is convenient to the inside and outside liquid communication of guide cup (205).
The beneficial effects of the utility model are: the sealing load of this valve equals the tension force of spring all the time, and is irrelevant with the pipeline pressure size; Power consumption is little, can realize the unlatching of valve fast or closes and stable.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Embodiment
As shown in Figure 1, electromagnetic hydraulic pressure combination normal closed gate comprises valve body 1, valve body 1 be provided with level water outlet 103 and with water outlet 103 vertically disposed water intakes 104, valve body 1 water intake 104 places are provided with import interface 11; Oil hydraulic cylinder 2 is positioned at valve body 1 top, and oil hydraulic cylinder 2 internal diameters equate that with the internal diameter of water intake 104 be provided with connecting body 3 between oil hydraulic cylinder 2 and the valve body 1, connecting body 3 is provided with cavity of resorption interface 31; Vertically be provided with valve rod 101 in the valve body 1, valve rod 101 ends are connected with spool 102, valve rod 101 pass connecting body 3 and and connecting body 3 between slipper seal, valve rod 101 tops are positioned at oil hydraulic cylinder 2; Piston 203 is fixed on valve rod 101 tops by hold down gag 202, adopts 207 sealings of L type seal ring between piston 203 and oil hydraulic cylinder 2 inwalls, makes that piston 203 moving resistances are little, and good airproof performance; Piston 203 is divided into epicoele 22 and cavity of resorption 23 with oil hydraulic cylinder 2; Oil hydraulic cylinder 2 tops are provided with cylinder cap 201, and cylinder cap 201 is provided with epicoele interface 21, are provided with spring 204 between cylinder cap 201 and the piston 203; Be provided with guide cup 205 between hold down gag 202 and the piston 203, guide cup 205 sides are provided with a plurality of thin discharge orifices 206, are convenient to guide cup 205 inside and outside liquid communication, and spring 204 1 ends are positioned at guide cup 205.Import interface 11 connects the oil inlet P of two-position four-way solenoid directional control valve 4 by control loop 5, epicoele interface 21 connects the actuator port A of two-position four-way solenoid directional control valve 4 by control loop 5, cavity of resorption interface 31 is by the actuator port B of control loop 5 connection two-position four-way solenoid directional control valves 4, and the oil outlet of two-position four-way solenoid directional control valve 4 connects water tank.
Work as valve closing, i.e. during two-position four-way solenoid directional control valve 4 outages, import interface 11 and epicoele interface 21 form the loop that communicates; Described cavity of resorption interface 31 and water tank form dump circuit.
At this moment, the pressure P of 23 pairs of pistons of cavity of resorption, 203 generations
Down=0.The pressure P that 22 pairs of pistons of epicoele 203 produce
OnWith the pressure P of water intake 104 places to spool 102 generations
CoreEquate that piston 203 also is subjected to the pressure P of spring 204 simultaneously
Bullet, and sealing load P
Envelope=P
On+ P
Bullet-P
Down-P
Core, because P
On=P
Core, therefore, P
Envelope=P
On+ P
Bullet-P
Down-P
Core=P
BulletThe sealing load of valve equals the tension force of spring 204 all the time, and is irrelevant with the pipeline pressure size.
Work as valve opening, i.e. during two-position four-way solenoid directional control valve 4 energisings, import interface 11 and cavity of resorption interface 31 form the loop that communicates; Described epicoele interface 21 and water tank form dump circuit.
At this moment, the pressure P of 22 pairs of pistons of epicoele, 203 generations
On=0.The pressure P that 23 pairs of pistons of cavity of resorption 203 produce
DownWith the pressure P of water intake 104 places to spool 102 generations
Core, common same-action overcomes the tension force P of spring 204
BulletThereby, make spool 102 under the effect of piston 203 and valve rod 101, open valve.
Claims (5)
1. electromagnetic hydraulic pressure makes up normal closed gate, comprise valve body (1), vertically be provided with valve rod (101) in the valve body (1), valve rod (101) end is connected with spool (102), valve body (1) be provided with level water outlet (103) and with the vertically disposed water intake of water outlet (103) (104), it is characterized in that: also comprise
Oil hydraulic cylinder (2), cylinder cap (201), connecting body (3), two-position four-way solenoid directional control valve (4), control loop (5);
Described valve body (1) water intake (104) locates to be provided with import interface (11);
Described oil hydraulic cylinder (2) is positioned at valve body (1) top, is provided with connecting body (3) between oil hydraulic cylinder (2) and the valve body (1), and connecting body (3) is provided with cavity of resorption interface (31);
Described valve rod (101) pass connecting body (3) and and connecting body (3) between slipper seal; Described valve rod (101) top is positioned at oil hydraulic cylinder (2);
Described piston (203) is fixed on valve rod (101) top by hold down gag (202), and piston (203) is connected with oil hydraulic cylinder (2) inner wall sealing;
Described oil hydraulic cylinder (2) top is provided with cylinder cap (201), and cylinder cap (201) is provided with epicoele interface (21);
Be provided with spring (204) between described cylinder cap (201) and the piston (203);
The control loop (5) that passes through of described two-position four-way solenoid directional control valve (4) connects import interface (11), epicoele interface (21), cavity of resorption interface (31) and water tank respectively.
2. electromagnetic hydraulic pressure as claimed in claim 1 makes up normal closed gate, and it is characterized in that: described oil hydraulic cylinder (2) internal diameter equates with the internal diameter of water intake (104).
3. electromagnetic hydraulic pressure combination normal closed gate as claimed in claim 1 is characterized in that: adopt L type seal ring (207) sealing between described piston (203) and oil hydraulic cylinder (2) inwall.
4. electromagnetic hydraulic pressure as claimed in claim 1 makes up normal closed gate, and it is characterized in that: be provided with guide cup (205) between described hold down gag (202) and the piston (203), described spring (204) one ends are positioned at guide cup (205).
5. electromagnetic hydraulic pressure as claimed in claim 4 makes up normal closed gate, and it is characterized in that: described guide cup (205) side is provided with a plurality of thin discharge orifices (206), is convenient to the inside and outside liquid communication of guide cup (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088439 CN203176505U (en) | 2013-02-27 | 2013-02-27 | Electromagnetic hydraulic combined normally-closed valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088439 CN203176505U (en) | 2013-02-27 | 2013-02-27 | Electromagnetic hydraulic combined normally-closed valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203176505U true CN203176505U (en) | 2013-09-04 |
Family
ID=49073201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320088439 Expired - Fee Related CN203176505U (en) | 2013-02-27 | 2013-02-27 | Electromagnetic hydraulic combined normally-closed valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203176505U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838593A (en) * | 2019-02-13 | 2019-06-04 | 大唐绥化热电有限公司 | Thermoelectricity steam turbine hydrodynamic quick closing valve exhaust check valve and quick closing valve method |
| CN110200499A (en) * | 2019-04-26 | 2019-09-06 | 广州腾工通用设备有限公司 | A kind of beverage dispenser convenient for going out fruit |
-
2013
- 2013-02-27 CN CN 201320088439 patent/CN203176505U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838593A (en) * | 2019-02-13 | 2019-06-04 | 大唐绥化热电有限公司 | Thermoelectricity steam turbine hydrodynamic quick closing valve exhaust check valve and quick closing valve method |
| CN110200499A (en) * | 2019-04-26 | 2019-09-06 | 广州腾工通用设备有限公司 | A kind of beverage dispenser convenient for going out fruit |
| CN110200499B (en) * | 2019-04-26 | 2021-06-25 | 广州腾工通用设备有限公司 | Beverage machine convenient to go out fruit grain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20150227 |
|
| EXPY | Termination of patent right or utility model |