CN207777318U - A kind of hydraulic control valve - Google Patents
A kind of hydraulic control valve Download PDFInfo
- Publication number
- CN207777318U CN207777318U CN201820069927.4U CN201820069927U CN207777318U CN 207777318 U CN207777318 U CN 207777318U CN 201820069927 U CN201820069927 U CN 201820069927U CN 207777318 U CN207777318 U CN 207777318U
- Authority
- CN
- China
- Prior art keywords
- oil
- spool
- section
- hydraulic control
- valve
- 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)
Abstract
The utility model provides a kind of hydraulic control valve, including valve body, spool, spring and bottom cover, spool right end is connect by spring with bottom cover, oil feeding line and oil return circuit are equipped in valve body, valve body be equipped with for executing agency's fuel feeding oil-feed port and for the oil return opening for executing agency's oil return, it is characterized in that, spool includes from right the first spool section set gradually in a left side, second spool section and third spool section, second spool section coordinates with valve seal, the area of section of first spool section is less than the area of section of third spool section, solenoid valve is additionally provided in valve body, oil feeding line is connected to by hydraulic control oil oil inlet oil circuit with solenoid valve, solenoid valve is connected to by the fuel-displaced oil circuit of hydraulic control oil with cavity residing for the first spool section, oil feeding line is connected to cavity residing for third spool section.The break-make of hydraulic control oil oil circuit is controlled by the power on/off of solenoid valve, and then controls the movement of spool, and to realize that operation is more convenient to executing agency's fuel feeding, and the accuracy controlled is higher.
Description
Technical field
The utility model is related to field of hydraulic control, and in particular to a kind of hydraulic control valve.
Background technology
In hydraulic control control field, it usually needs provide high-pressure and hydraulic to control oil circuit for executing agency using hydraulic control valve
Oil, existing hydraulic control valve is as shown in fig. 1, including valve body 1, valve rod 2, spool 3, spring 4 and end cap 5, valve rod 2 and spool 3
Connection, spool 3 is connect by spring 4 with end cap 5, at hydraulic control valve when state shown in Fig. 1, oil-feed port 7 and fuel feeding oil
Road 6 disconnects, and oil return opening 8 is separated with oil return circuit 9, when needing to executing agency's fuel feeding, pushes valve rod 2 manually and then drives
Spool 3 overcomes 4 active force of spring to move right, and oil-feed port 7 is made to be connected to oil feeding line 6, between oil return opening 8 and oil return circuit 9
Connection, at this point, hydraulic control valve is to executing agency's fuel feeding, after executing agency's fuel feeding, it is only necessary to unclamp valve rod 2, spool 3 exists
It is reset to state shown in Fig. 1 under 4 active force of spring.
The hydraulic control valve of above structure, by the way of manually controlling, operation is more inconvenient, and pushes valve manually
Bar, influences fuel feeding efficiency when pushing not in place, the accuracy of control is poor.
Utility model content
And a kind of control accuracy higher hydraulic pressure convenient the technical problem to be solved by the utility model is to provide operation
Control valve.
To achieve the above object, the technical solution that the utility model is taken is：A kind of hydraulic control valve, including valve body, valve
Core, spring and bottom cover, spool right end are connect by spring with bottom cover, are equipped with oil feeding line and oil return circuit in valve body, on valve body
Equipped with for executing agency's fuel feeding oil-feed port and for the oil return opening for executing agency's oil return, spool include from a left side it is right according to
The first spool section, the second spool section and the third spool section of secondary setting, the second spool section coordinate with valve seal, the first spool section
Area of section be less than the area of section of third spool section, oil feeding line is connected to by hydraulic control oil oil inlet oil circuit with solenoid valve, electric
Magnet valve is connected to by the fuel-displaced oil circuit of hydraulic control oil with cavity residing for the first spool section, and oil feeding line connects with cavity residing for third spool section
It is logical.
The width of first spool section is less than the width of third spool section.
The fuel-displaced oil circuit of hydraulic control oil tilts down setting.
The hydraulic control valve of the utility model, including valve body, spool, spring and bottom cover, spool right end pass through spring and bottom
Lid connection, valve body is interior to be equipped with oil feeding line and oil return circuit, and valve body is equipped with for the oil-feed port and use to executing agency's fuel feeding
In the oil return opening for executing agency's oil return, spool includes from right the first spool section set gradually in a left side, the second spool section and the
Three spool sections, the second spool section coordinate with valve seal, and the area of section of the first spool section is less than the section face of third spool section
It is long-pending, it is additionally provided with solenoid valve in valve body, oil feeding line is connected to by hydraulic control oil oil inlet oil circuit with solenoid valve, and solenoid valve passes through hydraulic control oil
Fuel-displaced oil circuit is connected to cavity residing for the first spool section, and oil feeding line is connected to cavity residing for third spool section.Pass through solenoid valve
Power on/off control the break-make of hydraulic control oil oil circuit, and then the movement for controlling spool compares to realize to executing agency's fuel feeding
Traditional manual promotion spool control mode, operation is more convenient, and the accuracy controlled is higher.
Description of the drawings
Fig. 1 is the structural schematic diagram of the prior art；
Fig. 2 is the structural schematic diagram of specific embodiment of the utility model one；
Fig. 3 is the partial enlarged view at A in Fig. 2.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
The specific embodiment one of the hydraulic control valve of the utility model, as shown in Figures 2 and 3, including valve body 1, spool
2, spring 3 and bottom cover 4,2 right end of spool are connect by spring 3 with bottom cover 4, and oil feeding line 5 and oil return circuit 8 are equipped in valve body 1,
Valve body 1 be equipped with for executing agency's fuel feeding oil-feed port 6 and for the oil return opening 7 for executing agency's oil return, spool 2 includes
From right the first spool section 21, the second spool section 22 and the third spool section 23 set gradually in a left side, the second spool section 22 and valve body 1
Sealing cooperation, the area of section of the first spool section 21 are less than the area of section of third spool section 23, solenoid valve are additionally provided in valve body 1
9, oil feeding line 5 is connected to by hydraulic control oil oil inlet oil circuit 10 with solenoid valve 9, and solenoid valve 9 passes through the hydraulic control fuel-displaced oil circuit 11 of oil and the
Cavity residing for one spool section 21 is connected to, and oil feeding line 5 is connected to cavity residing for third spool section 23.
When hydraulic control valve is in position shown in Fig. 2, oil-feed port 6 is disconnected with oil feeding line 5, oil return opening 7 and oil return circuit 8
It is separated.When needing to executing agency's fuel feeding, opens solenoid valve 9, the fuel-displaced oil circuit 11 of the oil of hydraulic control at this time and the oil inlet of hydraulic control oil are oily
Road 10 is connected to, and the hydraulic oil in oil feeding line 5 is on the one hand through hydraulic control oil oil inlet oil circuit 10, solenoid valve 9 and the fuel-displaced oil circuit of hydraulic control oil
11 enter in cavity residing for the first spool section 21, on the other hand enter in cavity residing for third spool section 23, due to the first spool
The area of section of section 21 is less than the area of section of third spool section 23, at this time hydraulic fluid pressure suffered by 22 left side of the second spool section
More than hydraulic fluid pressure suffered by right side, therefore, spool 2 left side hydraulic oil pressure effect under overcome 3 active force of spring to
Move right, so so that oil feeding line 5 is connected to oil-feed port 6, oil return opening 7 is connected to oil return circuit 8, at this point, hydraulic control valve to
Executing agency's fuel feeding；After fuel feeding, solenoid valve 9 is closed, spool 2 is reset to state shown in Fig. 2, hydraulic pressure under spring action
Control valve stops to executing agency's fuel feeding.The break-make of hydraulic control oil oil circuit, and then control valve are controlled by the power on/off of solenoid valve 9
The movement of core 2 compares traditional manual promotion spool control mode to realize to executing agency's fuel feeding, and operation is more convenient,
And the accuracy of control is higher.
Preferably, the width of the first spool section 21 is less than the width of third spool section 23, then avoids more hydraulic control
Oil enters through hydraulic control oil oil inlet oil circuit 10, solenoid valve 9 and the fuel-displaced oil circuit 11 of hydraulic control oil in cavity residing for the first spool section 21, to
The resistance when power-off back valve core 2 of solenoid valve 9 is reset to state shown in Fig. 2 under 3 active force of spring can be reduced.
Preferably, the fuel-displaced oil circuit of hydraulic control oil 11 tilts down setting, so as to the hydraulic control oil in solenoid valve 9 is quick, fully
Enter in 1 left side cavity body of spool through the fuel-displaced oil circuit 11 of hydraulic control oil, to improve hydraulic control efficiency and hydraulic control quality, certainly, at other
In embodiment, the fuel-displaced oil circuit of hydraulic control oil 11 also can be horizontally disposed.
What is finally illustrated is：Above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, this field
Other modifications or equivalent replacement that those of ordinary skill makes the technical solution of the utility model, without departing from this practicality
The spirit and scope of new technique scheme should all cover in the right of the utility model.
Claims (3)
1. a kind of hydraulic control valve, including valve body, spool, spring and bottom cover, spool right end are connect by spring with bottom cover, valve body
It is interior to be equipped with oil feeding line and oil return circuit, valve body be equipped with for executing agency's fuel feeding oil-feed port and for for executing agency
The oil return opening of oil return, which is characterized in that spool includes from right the first spool section, the second spool section and the third set gradually in a left side
Spool section, the second spool section coordinate with valve seal, and the area of section of the first spool section is less than the area of section of third spool section,
Solenoid valve is additionally provided in valve body, oil feeding line is connected to by hydraulic control oil oil inlet oil circuit with solenoid valve, and solenoid valve is gone out by hydraulic control oil
Oil circuit is connected to cavity residing for the first spool section, and oil feeding line is connected to cavity residing for third spool section.
2. hydraulic control valve according to claim 1, which is characterized in that the width of the first spool section is less than third spool section
Width.
3. hydraulic control valve according to claim 1, which is characterized in that the fuel-displaced oil circuit of hydraulic control oil tilts down setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820069927.4U CN207777318U (en) | 2018-01-16 | 2018-01-16 | A kind of hydraulic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820069927.4U CN207777318U (en) | 2018-01-16 | 2018-01-16 | A kind of hydraulic control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207777318U true CN207777318U (en) | 2018-08-28 |
Family
ID=63213132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820069927.4U Expired - Fee Related CN207777318U (en) | 2018-01-16 | 2018-01-16 | A kind of hydraulic control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207777318U (en) |
-
2018
- 2018-01-16 CN CN201820069927.4U patent/CN207777318U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20210116 |