CN207634422U - A kind of quick switching hydraulic switch valve - Google Patents
A kind of quick switching hydraulic switch valve Download PDFInfo
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- CN207634422U CN207634422U CN201721672512.8U CN201721672512U CN207634422U CN 207634422 U CN207634422 U CN 207634422U CN 201721672512 U CN201721672512 U CN 201721672512U CN 207634422 U CN207634422 U CN 207634422U
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- valve
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- annular chamber
- shuts
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Abstract
The utility model discloses a kind of quick switching hydraulic switch valves, including valve body, valve rod, the first valve deck and the second valve deck；Perforative connecting hole is equipped in the valve body along its length, it is equipped in valve body and arranges first annular chamber, the second annular chamber and third annular chamber in spacing, the longitudinal center line of first annular chamber, the second annular chamber and third annular chamber is identical as the axis centre line of connecting hole, and first annular chamber, the second annular chamber and third annular chamber are connected to connecting hole；The valve rod is equipped with the first of the coaxial center line column and second that shuts off and shuts off column, first shut off column and second shut off column diameter be more than the diameter of valve rod, first shuts off column and second column that shuts off is adapted to connecting hole.The utility model can realize to fast and stable the switching of import and required outlet, ensure that equipment timely respond to and stable operation, improve work efficiency, reduce use cost.
Description
Technical field
The utility model is related to hydraulic switch valve technical fields, and in particular to a kind of quick switching hydraulic switch valve.
Background technology
Critical elements one of of the hydraulic switch valve as construction machinery hydraulic system, the fine or not control to complete machine of performance
Performance and reliability have conclusive influence.Currently, existing hydraulic switch valve is usually there are three mouth, an import two goes out
Mouthful, when inner spool is in different location, import and corresponding outlet.However, existing hydraulic switch valve is connected to import
When with required outlet, artificial or external force is needed to act on spool and screw, frequently results in switching not in time, equipment is caused to respond
Not in time, equipment is extended from time when being switched to normal operation, is reduced working efficiency, is improved use cost.
Utility model content
In view of the deficienciess of the prior art, the technical problem to be solved by the present invention is to provide a kind of quick switching liquid
Press switching valve, can realize to fast and stable the switching of import and required outlet, ensure that equipment timely respond to and stable operation,
It improves work efficiency, reduces use cost.
The utility model provides a kind of quick switching hydraulic switch valve, including valve body, valve rod, the first valve deck and the second valve
Lid；Perforative connecting hole is equipped in the valve body along its length, is equipped in valve body and arranges first annular chamber, the second ring in spacing
Shape chamber and third annular chamber, first annular chamber, the longitudinal center line of the second annular chamber and third annular chamber and connecting hole axis
Center line is identical, and first annular chamber, the second annular chamber and third annular chamber are connected to connecting hole；The valve rod is equipped with same
The column and second that shuts off of the first of longitudinal center line shuts off column, first shut off column and second shut off column diameter be more than the straight of valve rod
Diameter, first shuts off column and second column that shuts off is adapted to connecting hole；The first of the valve rod shut off column and second shut off column can be horizontal
To being slidably embedded in the connecting hole of valve body, first valve deck and second valve deck connect with the left and right end face of valve body respectively
It connects, the first valve deck and the second valve deck is made to be sealed the both ends of the connecting hole of valve body；It is equipped with and connect in second valve deck
With the second counterbore of central shaft, valve rod is arranged with compressed spring, one end of compressed spring and second by one end of the second valve deck in hole
Shut off the end face contact of column, the other end of compressed spring contacts with the bottom surface of the second counterbore；The front end face of the valve body is equipped with the
The rear end face of one fluid outlet and second fluid outlet, valve body is equipped with fluid inlet, and first fluid outlet connects with first annular chamber
Logical, second fluid outlet is connected to third annular chamber, and fluid inlet is connected to the second annular chamber.
Preferably, when the fluid inlet and first fluid outlet, the second of valve rod shuts off column transverse shifting pair the
Three annular chambers are closed, and the first of valve rod shuts off column to the releasing closing of first annular chamber.
Preferably, when the fluid inlet and second fluid outlet, the first of valve rod shuts off column transverse shifting pair the
One annular chamber is closed, and the second of valve rod shuts off column to the releasing closing of third annular chamber.
Preferably, the connecting end surface of first valve deck is equipped with the first counterbore, and the second of the first counterbore and the second valve deck
Counterbore with central shaft and internal diameter it is identical；The left side of valve body is equipped with connecting hole with the 4th counterbore of central shaft, the first counterbore with
The internal diameter of 4th counterbore is identical；First valve deck is equipped with perforative first butt hole, and the first butt hole is connected to the first counterbore.
Preferably, the remote valve rod chamfer of the first butt hole of first valve deck.
Preferably, the right side of the valve body is equipped with connecting hole with the third counterbore of central shaft, third counterbore and second
Second counterbore of valve deck is corresponding, and the internal diameter of third counterbore is identical as the internal diameter of the second counterbore of the second valve deck.
Preferably, the first of the valve rod shut off column and second shut off column surface be equipped with and be equally spaced and same center
The annular groove of axis.
Preferably, described first shuts off column and the second valve rod for shutting off between column is equipped with annular and expands chute.
Preferably, first valve deck and the second valve deck are bolted with valve body.
The beneficial effects of the utility model：
The utility model in valve body by being arranged first annular chamber, the second annular chamber, third annular chamber and connecting hole, valve
The first of bar shuts off column and second column that shuts off is adapted to connecting hole, at the same valve body be equipped with fluid inlet, first fluid outlet and
Second fluid exports, and first fluid outlet and second fluid outlet are connected to first annular chamber and third annular chamber respectively, fluid
Entrance is connected to the second annular chamber；When fluid inlet and first fluid outlet, the remote compressed spring end of valve rod is acted on
External force reduces, and valve rod moves under the action of compressed spring to the first valve deck side so that the second of valve rod shuts off column to third ring
Shape chamber is closed, and the first of valve rod shuts off column to the releasing closing of first annular chamber；When fluid inlet and second fluid outlet connect
When logical, the external force for acting on the remote compressed spring end of valve rod increases, and valve rod is moved to the second valve deck side so that the first of valve rod is shut off
Column transverse shifting closes first annular chamber, and the second of valve rod shuts off column to the releasing closing of third annular chamber；To sum up, the liquid
The structure design of pressure switching valve can realize to fast and stable the switching of import and required outlet, ensure that equipment timely respond to and
Stable operation improves work efficiency, and reduces use cost.
Description of the drawings
Fig. 1 is the explosive view of the present embodiment；
Fig. 2 is one of the structural schematic diagram of the present embodiment；
Fig. 3 is the second structural representation of the present embodiment；
Fig. 4 is the view in transverse section of Fig. 2.
Reference numeral：1- valve bodies, 11- connecting holes, the first annular chambers of 12-, the second annular chambers of 13-, 14- third annular chambers,
15- first fluids export, the outlet of 16- second fluids, 17- fluid inlets, the 4th counterbores of 18-, 19- third counterbores, 2- valve rods,
21- first shuts off column, and 22- second shuts off column, 23- compressed springs, 24- annular grooves, and 25- annulars expand chute, the first valve decks of 3-,
The first counterbores of 31-, the first butt holes of 32-, the second valve decks of 4-, the second counterbores of 41-
Specific implementation mode
The embodiment of technical solutions of the utility model is described in detail below in conjunction with attached drawing.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and this practicality cannot be limited with this
Novel protection domain.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance or the quantity for implicitly indicating indicated technical characteristic.
As shown in Figures 1 to 4, the utility model discloses a kind of quick switching hydraulic switch valves, including valve body 1, valve rod
2, the first valve deck 3 and the second valve deck 4；Perforative connecting hole 11 is equipped in valve body 1 along its length, it is in spacing to be equipped in valve body 1
Arrange first annular chamber 12, the second annular chamber 13 and third annular chamber 14, first annular chamber 12, the second annular chamber 13 and third ring
The longitudinal center line of shape chamber 14 is identical as the axis centre line of connecting hole 111, and first annular chamber 12, the second annular chamber 13 and
Three annular chambers 14 are connected to connecting hole 11.Valve rod 2 is equipped with the first of the coaxial center line column 21 and second that shuts off and shuts off column
22, first shut off column 21 and second shut off column 22 diameter be more than the diameter of valve rod 2, first column 21 and second that shuts off shuts off column 22
It is adapted to connecting hole 11；The first of valve rod 2 shuts off column 21 and second column 22 that shuts off can laterally slidably be embedded company in valve body 1
It connects in hole 11, the first valve deck 3 and the second valve deck 4 are connect with 1 left and right end face of valve body respectively, make the first valve deck 3 and the second valve deck 4
The both ends of the connecting hole 11 of valve body 1 are sealed.It is equipped with connecting hole 11 with the second counterbore of central shaft in second valve deck 4
41, valve rod 2 is arranged with compressed spring 23 by one end of the second valve deck 4, the end that column 22 is shut off in one end of compressed spring 23 with second
Face contacts, and the other end of compressed spring 23 is contacted with the bottom surface of the second counterbore 41.The front end face of valve body 1 is exported equipped with first fluid
15 and second fluid outlet 16, the rear end face of valve body 1 be equipped with fluid inlet 17, first fluid outlet 15 connects with first annular chamber 12
Logical, second fluid outlet 16 is connected to third annular chamber 14, and fluid inlet 17 is connected to the second annular chamber 13.
Pass through the first annular chamber 12 of setting, the second annular chamber 13, third annular chamber 14 and connecting hole 11, valve in valve body 1
The first of bar 2 shuts off column 21 and second column 22 that shuts off is adapted to connecting hole 11, while valve body 1 is equipped with fluid inlet 17, first
Fluid outlet 15 and second fluid outlet 16, first fluid outlet 15 and second fluid outlet 16 respectively with first annular chamber 12 and
Third annular chamber 14 is connected to, and fluid inlet 17 is connected to the second annular chamber 13；When fluid inlet 17 and first fluid outlet 15 connect
When logical, the external force for acting on 2 remote compressed spring end of valve rod reduces, and valve rod 2 is under the action of compressed spring 23 to the first valve deck side
It is mobile so that the column 22 that shuts off of the second of valve rod 2 closes third annular chamber 14, and the first of valve rod 2 shuts off column 21 to first
Annular chamber 12 releases closing；When fluid inlet 17 is connected to second fluid outlet 16,2 remote compressed spring end of valve rod is acted on
External force increases, and valve rod 2 is moved to the second valve deck side so that the first of valve rod 2 shuts off 21 transverse shifting of column to first annular chamber 12
It is closed, the second of valve rod 2 shuts off column 22 to the releasing closing of third annular chamber 14；To sum up, the structure of the hydraulic switch valve is set
Meter can realize to fast and stable the switching of import and required outlet, ensure that equipment timely respond to and stable operation, improve
Working efficiency reduces use cost.
In the present embodiment, the connecting end surface of the first valve deck 3 is equipped with the first counterbore 31, the first counterbore 31 and the second valve deck 4
The second counterbore 41 with central shaft and internal diameter it is identical；The left side of valve body 1 is equipped with connecting hole 11 with the 4th counterbore of central shaft
18, the first counterbore 31 is identical as the internal diameter of the 4th counterbore 18；First valve deck 3 is equipped with perforative first butt hole 32, the first docking
Hole 32 is connected to the first counterbore 31.The design of first butt hole 32 is docked convenient for external hydraulic pipeline with the first of the first valve deck 3
Hole 32 connects, to apply active force to the remote compressed spring end of valve rod 2 by hydraulic pressure, by controlling hydraulic pressure size to control
Displacement distance of the valve rod 2 in the connecting hole 11 of valve body 1 so that the displacement distance in connecting hole 11 of valve rod 2 obtains accurately
Control；The design of first counterbore 31 and the 4th counterbore 18 simultaneously, increases the memory space of hydraulic oil, improves remote to valve rod 2
The control accuracy of the active force at compressed spring end.In addition, the 32 remote valve rod chamfer of the first butt hole of the first valve deck 3, convenient for outer
Hydraulic pipeline is connect to connect with the first butt hole 32.
In the present embodiment, the right side of valve body 1 is equipped with connecting hole 11 with the third counterbore 19 of central shaft, third counterbore 19
It is corresponding with the second counterbore 41 of the second valve deck 4, and the internal diameter of the second counterbore 41 of the internal diameter of third counterbore 19 and the second valve deck 4
It is identical.Pass through the design to third counterbore 19 so that the selection specification of compressed spring 23 is more extensive, and then preferably more closes
The compressed spring 23 of suitable specification is set in one end that valve rod 2 leans on the second valve deck 4, ensure that the effective elasticity of compressed spring 23, together
When convenient for valve rod 2 external force control under sliding laterally in the connecting hole 11 of valve body 1.
In the present embodiment, the first of valve rod 2 shut off column 21 and second shut off column 22 surface be equipped be equally spaced and
With the annular groove 24 of central shaft.Pass through the design of annular groove 24, in the transverse shifting in connecting hole 11 of valve rod 2, a side
Face ring connected in star 24 is convenient for the extra hydraulic oil of water conservancy diversion or storage；The design of another aspect annular groove 24 is first section smaller
Fluidization tower 21 and second shut off column 22 and connecting hole 11 sliding friction, slid laterally in connecting hole 11 convenient for valve rod 2.
In the present embodiment, first shuts off column 21 and the second valve rod 2 for shutting off between column 22 is equipped with annular and expands chute 25.Ring
Shape expands the design of chute 25, increases the fluid flow of fluid inlet 17 and first fluid outlet 15 or second fluid outlet 16.
In the present embodiment, the first valve deck 3 and the second valve deck 4 are bolted with valve body 1, and easy to disassemble and repair carries
High practicability.
Finally it should be noted that：The basic principles and main features and this practicality of the utility model has been shown and described above
Novel advantage, it is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments,
And without departing substantially from the spirit or essential attributes of the utility model, this practicality can be realized in other specific forms
It is novel.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality
Novel range is indicated by the appended claims rather than the foregoing description, it is intended that by falling in the equivalent requirements of the claims
All changes in meaning and scope are embraced therein.Any reference numeral in claim should not be considered as limit
The involved claim of system.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (9)
1. a kind of quick switching hydraulic switch valve, it is characterised in that：Including valve body, valve rod, the first valve deck and the second valve deck；
Perforative connecting hole is equipped in the valve body along its length, is equipped in valve body and arranges first annular chamber, second in spacing
Annular chamber and third annular chamber, first annular chamber, the longitudinal center line of the second annular chamber and third annular chamber and connecting hole axis
Line center line is identical, and first annular chamber, the second annular chamber and third annular chamber are connected to connecting hole；
The valve rod is equipped with the first of the coaxial center line column and second that shuts off and shuts off column, and first column and second that shuts off shuts off column
Diameter be more than the diameter of valve rod, first shuts off column and second column that shuts off is adapted to connecting hole；
The first of the valve rod shuts off column and second column that shuts off can be laterally slidably embedded in the connecting hole of valve body, and described first
Valve deck and second valve deck are connect with the left and right end face of valve body respectively, make the connecting hole of the first valve deck and the second valve deck to valve body
Both ends be sealed；
It is equipped in second valve deck with connecting hole with the second counterbore of central shaft, valve rod is arranged with pressure by one end of the second valve deck
Contracting spring, the end face that column is shut off in one end of compressed spring with second contact, the bottom surface of the other end of compressed spring and the second counterbore
Contact；
The front end face of the valve body is equipped with first fluid outlet and second fluid outlet, and the rear end face of valve body is equipped with fluid inlet,
First fluid outlet is connected to first annular chamber, and second fluid outlet is connected to third annular chamber, fluid inlet and the second annular
Chamber is connected to.
2. quick switching hydraulic switch valve according to claim 1, it is characterised in that：The fluid inlet and first fluid
When outlet, the second of the valve rod column transverse shifting that shuts off closes third annular chamber, and the first of valve rod shuts off column pair
One annular chamber releases closing.
3. quick switching hydraulic switch valve according to claim 1, it is characterised in that：The fluid inlet and second fluid
When outlet, the first of the valve rod column transverse shifting that shuts off closes first annular chamber, and the second of valve rod shuts off column pair
Three annular chambers release closing.
4. quick switching hydraulic switch valve according to claim 1, it is characterised in that：The connecting end surface of first valve deck
Be equipped with the first counterbore, the first counterbore and the second counterbore of the second valve deck with central shaft and internal diameter it is identical；The left side of valve body is set
There are the 4th counterbore with central shaft, the first counterbore with connecting hole identical as the internal diameter of the 4th counterbore；First valve deck is equipped with perforative
First butt hole, the first butt hole are connected to the first counterbore.
5. quick switching hydraulic switch valve according to claim 4, it is characterised in that：First docking of first valve deck
The remote valve rod chamfer in hole.
6. quick switching hydraulic switch valve according to claim 1, it is characterised in that：The right side of the valve body be equipped with
For connecting hole with the third counterbore of central shaft, third counterbore is corresponding with the second counterbore of the second valve deck, and the internal diameter of third counterbore
It is identical as the internal diameter of the second counterbore of the second valve deck.
7. quick switching hydraulic switch valve according to claim 1, it is characterised in that：The first of the valve rod shut off column and
Second surface for shutting off column, which is equipped with, to be equally spaced and with the annular groove of central shaft.
8. quick switching hydraulic switch valve according to claim 1, it is characterised in that：Described first shuts off column and second section
Valve rod between fluidization tower is equipped with annular and expands chute.
9. quick switching hydraulic switch valve according to claim 1, it is characterised in that：First valve deck and the second valve deck
It is bolted with valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721672512.8U CN207634422U (en) | 2017-12-05 | 2017-12-05 | A kind of quick switching hydraulic switch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721672512.8U CN207634422U (en) | 2017-12-05 | 2017-12-05 | A kind of quick switching hydraulic switch valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634422U true CN207634422U (en) | 2018-07-20 |
Family
ID=62855344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721672512.8U Active CN207634422U (en) | 2017-12-05 | 2017-12-05 | A kind of quick switching hydraulic switch valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634422U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830007A (en) * | 2017-12-05 | 2018-03-23 | 烟台华特液压机械有限公司 | A kind of quick switching hydraulic switch valve |
| CN111059092A (en) * | 2019-12-25 | 2020-04-24 | 中航工业南京伺服控制***有限公司 | Dual-system energy selection valve and isolation device thereof |
-
2017
- 2017-12-05 CN CN201721672512.8U patent/CN207634422U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830007A (en) * | 2017-12-05 | 2018-03-23 | 烟台华特液压机械有限公司 | A kind of quick switching hydraulic switch valve |
| CN111059092A (en) * | 2019-12-25 | 2020-04-24 | 中航工业南京伺服控制***有限公司 | Dual-system energy selection valve and isolation device thereof |
| CN111059092B (en) * | 2019-12-25 | 2022-02-22 | 中航工业南京伺服控制***有限公司 | Dual-system energy selection valve and isolation device thereof |
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