CN204003724U - A kind of three position four-way directional control valve - Google Patents
A kind of three position four-way directional control valve Download PDFInfo
- Publication number
- CN204003724U CN204003724U CN201420428380.4U CN201420428380U CN204003724U CN 204003724 U CN204003724 U CN 204003724U CN 201420428380 U CN201420428380 U CN 201420428380U CN 204003724 U CN204003724 U CN 204003724U
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- spool
- pilot valve
- liquid outlet
- 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.)
- Expired - Fee Related
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- Magnetically Actuated Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The utility model discloses a kind of three position four-way directional control valve, belong to hydraulic system field, it comprises valve body, spool, pilot valve, valve body top is connected with pilot valve, valve body bottom is provided with the recovery holes being arranged in order, the first liquid outlet opening, inlet opening, the second liquid outlet opening, valve body top is provided with the first flow coordinating with pilot valve, feed liquor runner, the second runner, described spool is arranged in the axis hole of valve body, spool two end axles is to being separately installed with the first Returnning spring and the second Returnning spring, in the valve body at described spool two ends, be provided with the first control chamber being communicated with first flow and the second control chamber being communicated with the second runner, spool is provided with the relief hole for the second liquid outlet opening pressure release, described pilot valve is provided with drain tap.This device functional reliability high, the life-span is long, commutation is quick on the draw, and simple in structure, manufacture easy to maintenance.
Description
Technical field
The utility model belongs to hydraulic system technical field, relates in particular to a kind of three position four-way directional control valve.
Background technique
Hydrovalve is applied very extensive in hydraulic system, is base components important in hydraulic system.Hydrovalve is in the market of a great variety, and complex structure easily breaks down during use, manufactures troublesome maintenance, and commutation reaction sensitivity is inadequate.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art part, the utility model provides a kind of three position four-way directional control valve, and its functional reliability is high, and commutation is quick on the draw, and simple in structure, manufacture easy to maintenance.
In order to realize above-mentioned technical purpose, the utility model adopts following technical measures: a kind of three position four-way directional control valve, comprise valve body, spool, pilot valve, valve body top is connected with pilot valve, valve body bottom is provided with the recovery holes being arranged in order, the first liquid outlet opening, inlet opening, the second liquid outlet opening, valve body top is provided with the first flow coordinating with pilot valve, feed liquor runner, the second runner, described spool is arranged in the axis hole of valve body, spool two end axles is to being separately installed with the first Returnning spring and the second Returnning spring, in the valve body at described spool two ends, be provided with the first control chamber being communicated with first flow and the second control chamber being communicated with the second runner, spool is provided with the relief hole for the second liquid outlet opening pressure release, described pilot valve is provided with drain tap.
In technique scheme, described pilot valve is electromagnetic priority valve, and it comprises housing, coil, electromagnet, center-pole, and described coil is arranged on housing two ends, described electromagnet is arranged in coil and with center-pole two ends and is connected, and described center-pole is arranged in housing inner chamber.
In technique scheme, described pilot valve is manual pilot valve, and it comprises housing, center-pole, manual rod, and described center-pole is arranged in housing inner chamber and its one end is connected with manual rod.
The beneficial effects of the utility model are: functional reliability is high, the life-span is long, and commutation is quick on the draw, and simple in structure, manufacture easy to maintenance.
Accompanying drawing explanation
Fig. 1 is an embodiment's of the present utility model generalized section.
Wherein: 1. valve body, 2. spool, 3. feed liquor runner, 4. first flow, 5. the second runner, 6. inlet opening, 7. the first liquid outlet opening, 8. the second liquid outlet opening, 9. recovery holes, 10. the first Returnning spring, 11. second Returnning springs, 12. first control chambers, 13. second control chambers, 14. relief holes, 15. drain taps, 16. housings, 17. coils, 18. electromagnet, 19. center-poles.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
A kind of 3-position 4-way solenoid directional control valve as shown in Figure 1, comprise valve body 1, spool 2, pilot valve, valve body 1 top is connected with pilot valve, valve body 1 bottom is provided with the recovery holes 9 being arranged in order, the first liquid outlet opening 7, inlet opening 6, the second liquid outlet opening 8, valve body 1 top is provided with the first flow 4 coordinating with pilot valve, feed liquor runner 3, the second runner 5, described spool 2 is arranged in the axis hole of valve body 1, spool 2 two end axles are to being separately installed with the first Returnning spring 10 and the second Returnning spring 11, in the valve body 1 at described spool 2 two ends, be provided with the first control chamber 12 being communicated with first flow 4 and the second control chamber 13 being communicated with the second runner 5, described the second liquid outlet opening 8 is away from recovery holes 9, spool 2 is provided with the relief hole 14 for the second liquid outlet opening 8 pressure releases, the draining passage that relief hole 14 is provided with by spool 2 can be communicated with recovery holes 9, described pilot valve is provided with drain tap 15.
In technique scheme, described pilot valve is electromagnetic priority valve, it comprises housing 16, coil 17, electromagnet 18, center-pole 19, described coil 17 is arranged on housing 16 two ends, described electromagnet 18 is arranged in coil 17 and with center-pole 19 two ends and is connected, and center-pole 19 is arranged in housing 16 inner chambers.
While using the utility model, switch on power, hydraulic oil flows into by inlet opening 6, while arriving pilot valve, stops, now spool 2 is in meta under the effect of the first Returnning spring 10 and the second Returnning spring 11, and inlet opening 6, the first liquid outlet opening 7, the second liquid outlet opening 8 and recovery holes 9 are not communicated with mutually.
Connect the power supply of pilot valve left side coil 17, left side coil 17 produces magnetic field suction electromagnet 18, electromagnet 18 drives center-pole 19 to move right, now, hydraulic oil is communicated with the first feed liquor runner 4 by feed liquor runner 3, the second control chamber 13 is communicated with drain tap 15 by the second feed liquor runner 5 and housing inner chamber, hydraulic oil arrives the first control chamber 12, spool 2 is moved right by the pressure of hydraulic oil in the first control chamber 12, inlet opening 6 is communicated with the second liquid outlet opening 8, and the first inlet opening 7 is communicated with recovery holes 9.
Connect the power supply of pilot valve the right coil 17, left side coil 17 produces magnetic field suction electromagnet 18, electromagnet 18 drives center-pole 19 to move right, now, hydraulic oil is communicated with the second feed liquor runner 5 by feed liquor runner 3, the first control chamber 12 is communicated with drain tap 15 by the first feed liquor runner 4 and housing inner chamber, hydraulic oil arrives the second control chamber 13, spool 2 is subject to the pressure of hydraulic oil in the second control chamber 13 to left movement, inlet opening 6 is communicated with the first liquid outlet opening 7, and the second inlet opening 8 is communicated with recovery holes 9 by relief hole 14.
Thereby by above-mentioned control, reach the object of hydrovalve commutation.
Claims (3)
1. a three position four-way directional control valve, comprise valve body, spool, pilot valve, valve body top is connected with pilot valve, valve body bottom is provided with the recovery holes being arranged in order, the first liquid outlet opening, inlet opening, the second liquid outlet opening, valve body top is provided with the first flow coordinating with pilot valve, feed liquor runner, the second runner, it is characterized in that: described spool is arranged in the axis hole of valve body, spool two end axles is to being separately installed with the first Returnning spring and the second Returnning spring, in the valve body at described spool two ends, be provided with the first control chamber being communicated with first flow and the second control chamber being communicated with the second runner, spool is provided with the relief hole for the second liquid outlet opening pressure release, described pilot valve is provided with drain tap.
2. a kind of three position four-way directional control valve according to claim 1, it is characterized in that: described pilot valve is electromagnetic priority valve, it comprises housing, coil, electromagnet, center-pole, described coil is arranged on housing two ends, described electromagnet is arranged in coil and with center-pole two ends and is connected, and described center-pole is arranged in housing inner chamber.
3. a kind of three position four-way directional control valve according to claim 1, is characterized in that: described pilot valve is manual pilot valve, and it comprises housing, center-pole, manual rod, and described center-pole is arranged in housing inner chamber and its one end is connected with manual rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428380.4U CN204003724U (en) | 2014-07-31 | 2014-07-31 | A kind of three position four-way directional control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428380.4U CN204003724U (en) | 2014-07-31 | 2014-07-31 | A kind of three position four-way directional control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204003724U true CN204003724U (en) | 2014-12-10 |
Family
ID=52043731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420428380.4U Expired - Fee Related CN204003724U (en) | 2014-07-31 | 2014-07-31 | A kind of three position four-way directional control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204003724U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196792A (en) * | 2014-07-31 | 2014-12-10 | 红安安达新材料有限责任公司 | Three-position four-way directional control valve |
| CN108799232A (en) * | 2018-07-06 | 2018-11-13 | 佛山信卓派思机械科技有限公司 | A kind of oil passage change-over valve |
-
2014
- 2014-07-31 CN CN201420428380.4U patent/CN204003724U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196792A (en) * | 2014-07-31 | 2014-12-10 | 红安安达新材料有限责任公司 | Three-position four-way directional control valve |
| CN108799232A (en) * | 2018-07-06 | 2018-11-13 | 佛山信卓派思机械科技有限公司 | A kind of oil passage change-over valve |
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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: 20141210 Termination date: 20150731 |
|
| EXPY | Termination of patent right or utility model |