CN206129767U - Directional control valves and hydraulic system - Google Patents
Directional control valves and hydraulic system Download PDFInfo
- Publication number
- CN206129767U CN206129767U CN201621066028.6U CN201621066028U CN206129767U CN 206129767 U CN206129767 U CN 206129767U CN 201621066028 U CN201621066028 U CN 201621066028U CN 206129767 U CN206129767 U CN 206129767U
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- Prior art keywords
- oil circuit
- valve
- executive component
- oil
- hydraulic fluid
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Abstract
The utility model discloses a directional control valves and hydraulic system relates to the hydraulic pressure field for the realization is only a set of when entering the oil pipe way and going back to the oil pipe way to two execute component's independent control, and the structure is light. This directional control valves includes first valve and second valve, first valve includes first oil circuit and second oil circuit, the second valve includes third oil circuit and fourth oil circuit, wherein, first oil circuit and third oil circuit can communicate, and second oil circuit and fourth oil circuit can communicate. Above -mentioned technical scheme when having only a set of oil feed and going back to the oil pipe way, also can control two execute component actions respectively. The valve piece used in the whole valves and valve all can be for general of hydraulic pressure, the productions, with low costs of being convenient for.
Description
Technical field
This utility model is related to Hydraulic Field, and in particular to a kind of direction controlling valve group and hydraulic system.
Background technology
In prior art, if to go to control two executive component actions respectively using one group of oil-feed and return line, need
The Electromagnetic Control valve group of two clematis stem is used, its principle is as shown in Figure 1.Two clematis stem Electromagnetic Control valve groups are mainly by one two
The electromagnetic valve and corresponding valve block of position clematis stem is combined.
Two clematis stem Electromagnetic Control valve groups include six hydraulic fluid ports：P1、P2、C1、C2、C3、C4.P2 hydraulic fluid ports are used as oil-feed
Mouthful, P1 hydraulic fluid ports are used as oil return opening.Hydraulic fluid port C4 and C1 connect the first executive component, and hydraulic fluid port C3 and C2 connect the second executive component.
Two clematis stem Electromagnetic Control valve group concrete principles are：If P2 enters hydraulic oil, P1 oil returns, in electric magnet no power
When, the first executive component action；When electric magnet is powered, the second executive component action.
Inventor has found at least there are following problems in prior art：If at present only one group oil-feed of hydraulic system and returning
Oil pipe line, but needs to control two executive component actions respectively, then have to use two clematis stem Electromagnetic Control valve groups.Two clematis stem
Electromagnetic Control valve group is special electromagnetic valve, is manufactured extremely difficult.
Utility model content
One of purpose of the present utility model is to propose a kind of direction controlling valve group and hydraulic system, to realize only having
Independent control when one group of in-line and return line to two executive components, and it is easy to processing and manufacturing.
For achieving the above object, this utility model provides technical scheme below：
This utility model provides a kind of direction controlling valve group, including the first valve and the second valve；First valve includes the
One oil circuit and the second oil circuit；Second valve includes the 3rd oil circuit and the 4th oil circuit；Wherein, first oil circuit and the described 3rd
Oil circuit can be connected, and second oil circuit can be connected with the 4th oil circuit.
In an alternate embodiment of the invention, one of hydraulic fluid port of first oil circuit and second oil circuit is shared.
In an alternate embodiment of the invention, one of hydraulic fluid port of the 3rd oil circuit and the 4th oil circuit is shared.
In an alternate embodiment of the invention, first valve includes two position four-way valves or two-position three-way valve.
In an alternate embodiment of the invention, second valve includes two position four-way valves or two-position three-way valve.
In an alternate embodiment of the invention, when first valve and second valve are all in power failure state, first oil circuit
Simultaneously turn on the 3rd oil circuit, and fluid can via first oil circuit enter the first executive component after Jing by the described 3rd
Oil circuit flows out, to realize the action of first executive component.
In an alternate embodiment of the invention, when first valve and second valve are all in power failure state, first oil circuit
Simultaneously turn on the 3rd oil circuit, and fluid can via the 3rd oil circuit enter the first executive component after Jing by described first
Oil circuit flows out, to realize the counteragent of first executive component.
In an alternate embodiment of the invention, when first valve and second valve all in electricity condition, second oil circuit
Simultaneously turn on the 4th oil circuit, and fluid can via second oil circuit enter the second executive component after Jing by the described 4th
Oil circuit flows out, to realize the action of second executive component.
In an alternate embodiment of the invention, when first valve and second valve all in electricity condition, second oil circuit
Simultaneously turn on the 4th oil circuit, and fluid can via the 4th oil circuit enter the second executive component after Jing by described second
Oil circuit flows out, to realize the counteragent of second executive component.
This utility model embodiment also provides a kind of hydraulic system, including the first executive component, the second executive component and sheet
The direction controlling valve group that the arbitrary technical scheme of utility model is provided；
First executive component is located between first oil circuit and the 3rd oil circuit, and second executive component sets
Between second oil circuit and the 4th oil circuit.
Based on above-mentioned technical proposal, this utility model embodiment can at least produce following technique effect：
Above-mentioned technical proposal, is collectively forming fluid flow path, when needing to use, by first using two single valves
Executive component is arranged between the first oil circuit and the 3rd oil circuit, the second executive component is arranged on the second oil circuit and the 4th oil circuit it
Between, can thus form two loops：First loop is the first oil circuit, the first executive component, the 3rd oil circuit；By this first
Loop can realize the control to the first executive component.Second loop is the second oil circuit, the second executive component, the 4th oil circuit；It is logical
Cross the control that the second servo loop can be realized to the second executive component.It can be seen that, above-mentioned technical proposal, when only one group in-line and
Return line, also can respectively control two executive component actions.The valve block and valve applied in whole valve group all can be hydraulic universal
Part, is easy to production, low cost.In addition, the direction controlling valve group that above-mentioned technical proposal is provided, portable construction, with low cost, performance
It is reliable and stable.
Description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used to explain this utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the principle schematic of two clematis stem solenoid valve blocks in prior art；
The direction controlling valve group principle schematic that Fig. 2 is provided for this utility model embodiment；
The direction controlling valve group use state schematic diagram that Fig. 3 is provided for this utility model embodiment；
The directional control valve overall structure diagram that Fig. 4 is provided for this utility model embodiment.
Reference：1st, the first valve；2nd, the second valve；3rd, the first executive component；4th, the second executive component.
Specific embodiment
The technical scheme that this utility model is provided is illustrated in more detail with reference to Fig. 2～Fig. 4.
Technical term or the explanation of nouns used is needed in the present embodiment.
Valve block (or referred to as valve body)：Hydraulic oil port is provided with thereon, and two position four-way solenoid valves are mounted thereon, have between the two
Corresponding sealing.By the position for controlling valve core of the electromagnetic valve, the control to hydraulic oil direction is realized.
Two position four-way solenoid valves：There are two operating positions, in solenoid valves, be operated in the machine near electric magnet side
Energy；Otherwise, the function of spring side is operated in, as shown in Figure 2.
Referring to Fig. 1, this utility model embodiment provides a kind of direction controlling valve group, including the first valve 1 and the second valve 2.The
One valve 1 includes the first oil circuit and the second oil circuit；Second valve 2 includes the 3rd oil circuit and the 4th oil circuit.Wherein, the first oil circuit and the 3rd
Oil circuit can be connected, and the second oil circuit and the 4th oil circuit can be connected.
First valve 1 can be two-bit triplet electromagnetic valve, two-bit triplet hand-operated valve, two position four-way solenoid valves, two four-way handss
Dynamic valve, above-mentioned valve can be board-like or plug-in.Second valve 2 can for two-bit triplet electromagnetic valve, two-bit triplet hand-operated valve, two
Position four-way solenoid valve, two four-way hand-operated valves, above-mentioned valve can be board-like or plug-in.
In the present embodiment, as a example by using the electromagnetic valve shown in Fig. 2, the first oil circuit is the oil circuit between hydraulic fluid port P1 and P3,
Second oil circuit is the oil circuit between hydraulic fluid port P1 and P4.3rd oil circuit is the oil circuit between hydraulic fluid port P5 and P7, and the 4th oil circuit is hydraulic fluid port
Oil circuit between P5 and P8.
Above-mentioned technical proposal, is collectively forming fluid flow path, when needing to use, by first using two single valves
Executive component 3 is arranged between the first oil circuit and the 3rd oil circuit, the second executive component 4 is arranged on the second oil circuit and the 4th oil circuit it
Between, can thus form two loops：First loop is the first oil circuit, the first executive component 3, the 3rd oil circuit.By this
Primary Ioops can realize the control to the first executive component 3.Second loop is the second oil circuit, the second executive component the 4, the 4th is oily
Road.Control to the second executive component 4 can be realized by the second servo loop.
First executive component 3 can be oil cylinder, hydraulic motor etc.；Second executive component 4 can be oil cylinder, hydraulic motor
Deng.
If the first executive component 3 for can bidirectional-movement oil cylinder, in the hydraulic system of only one group oil-feed and oil return pipe,
The hydraulic fluid port P1 that first oil circuit is not connected with the first executive component 3 is connected with in-line, the 3rd oil circuit not with the first executive component 3
The hydraulic fluid port P5 of connection is connected with return line, can so realize the action of the first executive component 3, such as oil cylinder stretches out.If the
One executive component 3 is the element for being capable of counteragent, then the 3rd oil circuit is not connected with the first executive component 3 hydraulic fluid port P5 and oil-feed
Pipeline connection, the hydraulic fluid port P1 that the first oil circuit is not connected with the first executive component 3 is connected with return line can realize that first performs unit
The retraction of the counteragent of part 3, such as oil cylinder.In actual use, can be by into and out of oil pipe line and direction controlling valve group
Between arrange the mode of reversal valve to avoid changing the position into and out of hydraulic fluid port, and can simultaneously realize the two-way of the first executive component 3
Action.
In the same manner, if the second executive component 4 for can bidirectional-movement oil cylinder, there was only the hydraulic pressure of one group of oil-feed and oil return pipe at this
In system, the hydraulic fluid port P1 that the second oil circuit is not connected with the first executive component 3 is connected with in-line, and the 4th oil circuit is not held with first
The hydraulic fluid port P5 of the connection of units 3 is connected with return line, can so realize the action of the second executive component 4, such as oil cylinder is stretched
Go out.If the second executive component 4 is the element for being capable of counteragent, the hydraulic fluid port that the 4th oil circuit is not connected with the second executive component 4
P5 is connected with in-line, and the hydraulic fluid port P1 that the second oil circuit is not connected with the second executive component 4 is connected with return line can realize
The counteragent of two executive components 4, such as the retraction of oil cylinder.In actual use, can be by into and out of oil pipe line and direction
The mode of reversal valve is arranged between control valve group to avoid changing the position into and out of hydraulic fluid port, and can simultaneously realize that second performs unit
The bidirectional-movement of part 4.
For ease of direction controlling valve group is connected with in-line or return line, the first oil circuit and the second oil circuit are wherein
One hydraulic fluid port is shared, and is that hydraulic fluid port P1 is shared hydraulic fluid port in the present embodiment.
For ease of direction controlling valve group is connected with return line or in-line, the 3rd oil circuit and the 4th oil circuit are wherein
One hydraulic fluid port is shared, and is that hydraulic fluid port P5 is shared hydraulic fluid port in the present embodiment.
Herein, the first valve 1 includes two position four-way valves or two-position three-way valve.In the present embodiment, the first valve 1 is two four energizations
Magnet valve, is specifically as follows board-like or plug-in.
Referring to Fig. 2, the second valve 2 includes two position four-way valves or two-position three-way valve.In the present embodiment, the second valve 2 is two four
Three-way electromagnetic valve, is specifically as follows board-like or plug-in.
Referring to Fig. 2, when the first valve 1 and the second valve 2 are all in power failure state, the first oil circuit and the 3rd oil circuit are simultaneously turned on,
And fluid can enter Jing after the first executive component 3 and be flowed out by the 3rd oil circuit via the first oil circuit, to realize the first executive component 3
Action.
In the same manner, when the first valve 1 and the second valve 2 are simultaneously turned on all in electricity condition, the second oil circuit and the 4th oil circuit is obtained, and oil
Liquid energy enters Jing after the second executive component 4 and is flowed out by the 4th oil circuit via the second oil circuit, to realize the dynamic of the second executive component 4
Make.
Hold above-mentioned, referring to Fig. 2 and Fig. 3, the first valve 1 is that two four-way electromagnetics control valve, and it includes hydraulic fluid port P1～P4；Hydraulic fluid port
P1 connects to form the first oil circuit with hydraulic fluid port P3, and hydraulic fluid port P1 connects to form the second oil circuit with hydraulic fluid port P4, hydraulic fluid port P2 connection fuel tanks.Second
Valve 2 is that two four-way electromagnetics control valve, and it includes hydraulic fluid port P5～P8.Hydraulic fluid port P5 connects to form the 3rd oil circuit, hydraulic fluid port with hydraulic fluid port P7
P5 connects to form the 4th oil circuit with hydraulic fluid port P8, hydraulic fluid port P6 connection fuel tanks.It is oily that the hydraulic fluid port a2 of the first executive component 3 connects the first valve 1
Mouth P3, the hydraulic fluid port b2 connection hydraulic fluid port P7 of the second valve 2 of the first executive component 3.The hydraulic fluid port a1 of the second executive component 4 connects the first valve 1
Hydraulic fluid port P4, the hydraulic fluid port b1 connection hydraulic fluid port P8 of the second valve 2 of the second executive component 4.
On the premise of hydraulic fluid port P1 enters hydraulic oil, hydraulic fluid port P5 oil returns, if the first valve 1 and the second valve 2 are while dead electricity, can realize
The action of the first executive component 3, such as the first executive component 3 are stretched out；Electric situation is obtained simultaneously in the first valve 1 and the second valve 2
Under, can realize the action of the second executive component 4, such as the second executive component 4 stretches out.
If the first executive component 3 for can counteragent Hydraulic Elements, when the first valve 1 and the second valve 2 are all in dead electricity shape
State, the first oil circuit and the 3rd oil circuit are simultaneously turned on, and fluid can via the 3rd oil circuit enter the first executive component 3 after Jing by first
Oil circuit flows out, to realize the counteragent of the first executive component 3.
If the second executive component 4 for can counteragent Hydraulic Elements, when the first valve 1 and the second valve 2 all in electric shape
State, the second oil circuit and the 4th oil circuit are simultaneously turned on, and fluid can via the 4th oil circuit enter the second executive component 4 after Jing by second
Oil circuit flows out, to realize the counteragent of the second executive component 4.
The above is explained in detail below, referring to Fig. 3, on the premise of hydraulic fluid port P5 enters hydraulic oil, hydraulic fluid port P1 oil returns, in the first valve
1 and second valve 2 simultaneously in the case of dead electricity, the counteragent of the first executive component 3 can be realized, such as the first executive component 3
Retraction.The first valve 1 and the second valve 2 simultaneously it is electric in the case of, the counteragent of the second executive component 4 can be realized, such as the
The retraction of one executive component 3.
Above-mentioned technical proposal, is realized in only one group oil-feed and return line to two executive components using two conventional valves
Independent control, and direction controlling valve group include particular usage valve, be easy to manufacture, compact conformation.
Referring to Fig. 3 and Fig. 4, above-mentioned the first valve 1 and the second valve 2 can be integrated in same valve body, and the valve body is provided with six
Individual hydraulic oil port, as shown in Figure 2 respectively A1～A3, B1～B3.First valve 1 and the second valve 2 are located at valve inner, especially by
Screw plug and mounting screw are connected with valve body.First valve 1 and the second valve 2 are all board-like two position four-way solenoid valve.The hydraulic fluid port of the first valve 1
P1 is connected with hydraulic fluid port A3, and the hydraulic fluid port P5 of the second valve 2 is connected with B3, A3 and B3 one of them as oil-in, another as return
Hydraulic fluid port.Hydraulic fluid port A1 connects the hydraulic fluid port P4 of the first valve 1 and the hydraulic fluid port a1 of the second executive component 4, the hydraulic fluid port A2 connection hydraulic fluid port of the second executive component 4
The b1 and hydraulic fluid port P8 of the second valve 2, the hydraulic fluid port B1 connection hydraulic fluid port P3 of the first valve 1 and the hydraulic fluid port a2 of the first executive component 3, hydraulic fluid port B2 then connect the
The hydraulic fluid port b2 of the one executive component 3 and hydraulic fluid port P7 of the second valve 2.
The direction controlling valve group that above-mentioned technical proposal is provided, its control principle is：When A3 mouth oil-feeds, B3 mouths are fuel-displaced, lead to
Cross two electromagnetic valves of control to be powered simultaneously or no power, control A1 mouths are fuel-displaced, A2/B3 mouth oil returns, or B1 mouths are fuel-displaced, B2/B3
Mouth oil return, it is possible to achieve selection independent control is carried out to two different actuator movements.
It is specific as follows：
If the 1, A3 mouths enter hydraulic oil, and the first valve 1 (i.e. electromagnetic valve CT1) and the second valve 2 (i.e. electromagnetic valve CT2) all must not
Electricity, now, hydraulic oil flows to the entrance of the first executive component 3 from B1 mouths, then oil return line by hydraulic fluid port A3 through electromagnetic valve CT1
Through B2 mouths from B3 mouth oil returns.Now, the only action of the first executive component 3, the attonity of the second executive component 4.Second executive component 4
Actuator port P2 connects T mouth oil sump tanks.A1 and A2 mouths above the working oil path Jing electromagnetic valve of second executive component 4 take back fuel tank.
In the same manner, if B3 mouths enter hydraulic oil, A3 mouth oil returns, the now counteragent of the first executive component 3.
The 2nd, if A3 mouths enter hydraulic oil, and electromagnetic valve CT1 and the second valve electromagnetic valve CT2 all it is electric, now, hydraulic oil is by hydraulic fluid port
A3, through electromagnetic valve CT1 the entrance of the second executive component 4 is flowed to from A1 mouths, then oil return line through A2 mouths from B3 mouth oil returns.This
When, the only action of the second executive component 4, the attonity of the first executive component 3.The actuator port P6 of second valve 2 connects fuel tank.First performs
B1 and B2 mouths above the working oil path Jing electromagnetic valve of element 3 take back fuel tank.In the same manner, if B3 mouths enter hydraulic oil, A3 mouth oil returns, now
The counteragent of second executive component 4.
The directional control valve that above-mentioned technical proposal is provided, by using board-like two position four-way valve two and valve block, composition
Directional control valve, realizes the function of two clematis stem valve groups.I.e.：In single hydraulic circuit, can be using direction control valve group
Single loop realizes the selection independent control to two executive components.And, the valve group adopts universaling electromagnetic valve, valve block processing side
Just, with production, low cost of manufacture, the features such as versatility is good, the manufacturing cycle is short.
This utility model embodiment also provides a kind of hydraulic system, and it includes the first executive component 3, the second executive component 4
The direction controlling valve group provided with the arbitrary technical scheme of this utility model.First executive component 3 is oily located at the first oil circuit and the 3rd
Between road, the second executive component 4 is located between the second oil circuit and the 4th oil circuit.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is based on accompanying drawing institute
The orientation for showing or position relationship, are described for ease of describing this utility model and simplifying, rather than indicate or infer indication
Device or element must have specific orientation, for specific azimuth configuration and operation, thus it is not intended that to this practicality newly
Type protects the restriction of content.
Finally it should be noted that：Above example only to illustrate the technical solution of the utility model, rather than a limitation；
Although being described in detail to this utility model with reference to the foregoing embodiments, it will be understood by those within the art that：
It still can modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement, but these modifications or replacement, do not make the essential of appropriate technical solution depart from each embodiment technology of this utility model
The spirit and scope of scheme.
Claims (10)
1. a kind of direction controlling valve group, it is characterised in that including the first valve (1) and the second valve (2)；First valve (1) includes
First oil circuit and the second oil circuit；Second valve (2) is including the 3rd oil circuit and the 4th oil circuit；Wherein, first oil circuit and institute
Stating the 3rd oil circuit can connect, and second oil circuit can be connected with the 4th oil circuit.
2. direction controlling valve group according to claim 1, it is characterised in that when first valve (1) and second valve
(2) all in power failure state, first oil circuit and the 3rd oil circuit are simultaneously turned on, and fluid can be via first oil circuit
Into the first executive component (3) by being flowed out by the 3rd oil circuit, to realize the action of first executive component (3).
3. direction controlling valve group according to claim 1, it is characterised in that when first valve (1) and second valve
(2) all in power failure state, first oil circuit and the 3rd oil circuit are simultaneously turned on, and fluid can be via the 3rd oil circuit
Into the first executive component (3) by being flowed out by first oil circuit, to realize the reversely dynamic of first executive component (3)
Make.
4. direction controlling valve group according to claim 1, it is characterised in that when first valve (1) and second valve
(2) all in electricity condition is obtained, second oil circuit and the 4th oil circuit are simultaneously turned on, and fluid can be via second oil circuit
Into the second executive component (4) by being flowed out by the 4th oil circuit, to realize the action of second executive component (4).
5. direction controlling valve group according to claim 1, it is characterised in that when first valve (1) and second valve
(2) all in electricity condition is obtained, second oil circuit and the 4th oil circuit are simultaneously turned on, and fluid can be via the 4th oil circuit
Into the second executive component (4) by being flowed out by second oil circuit, to realize the reversely dynamic of second executive component (4)
Make.
6. according to the arbitrary described direction controlling valve group of claim 1-5, it is characterised in that first oil circuit and described second
One of hydraulic fluid port of oil circuit is shared.
7. according to the arbitrary described direction controlling valve group of claim 1-5, it is characterised in that the 3rd oil circuit and the described 4th
One of hydraulic fluid port of oil circuit is shared.
8. according to the arbitrary described direction controlling valve group of claim 1-5, it is characterised in that first valve (1) is including two
Cross valve or two-position three-way valve.
9. according to the arbitrary described direction controlling valve group of claim 1-5, it is characterised in that second valve (2) is including two
Cross valve or two-position three-way valve.
10. a kind of hydraulic system, it is characterised in that including the first executive component (3), the second executive component (4) and claim
The arbitrary described direction controlling valve groups of 1-9；
First executive component (3) between first oil circuit and the 3rd oil circuit, second executive component (4)
Between second oil circuit and the 4th oil circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621066028.6U CN206129767U (en) | 2016-09-20 | 2016-09-20 | Directional control valves and hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621066028.6U CN206129767U (en) | 2016-09-20 | 2016-09-20 | Directional control valves and hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129767U true CN206129767U (en) | 2017-04-26 |
Family
ID=58569513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621066028.6U Expired - Fee Related CN206129767U (en) | 2016-09-20 | 2016-09-20 | Directional control valves and hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206129767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194881A (en) * | 2016-09-20 | 2016-12-07 | 徐州徐工施维英机械有限公司 | Directional control valve group and hydraulic system |
-
2016
- 2016-09-20 CN CN201621066028.6U patent/CN206129767U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194881A (en) * | 2016-09-20 | 2016-12-07 | 徐州徐工施维英机械有限公司 | Directional control valve group and hydraulic system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20190920 |
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| CF01 | Termination of patent right due to non-payment of annual fee |