CN107218413A - A kind of banked direction control valves with hydraulic pressure lock function - Google Patents
A kind of banked direction control valves with hydraulic pressure lock function Download PDFInfo
- Publication number
- CN107218413A CN107218413A CN201710541672.7A CN201710541672A CN107218413A CN 107218413 A CN107218413 A CN 107218413A CN 201710541672 A CN201710541672 A CN 201710541672A CN 107218413 A CN107218413 A CN 107218413A
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- Prior art keywords
- valve
- oil duct
- control
- cavity volume
- hydraulic pressure
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- 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.)
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- 239000007788 liquid Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 66
- 239000010720 hydraulic oil Substances 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 8
- 241000196324 Embryophyta Species 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000255789 Bombyx mori Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 235000008708 Morus alba Nutrition 0.000 description 1
- 240000000249 Morus alba Species 0.000 description 1
- 238000009341 apiculture Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
A kind of banked direction control valves with hydraulic pressure lock function.The banked direction control valves of existing agricultural machinery does not possess hydraulic pressure lock function, the problem of there is potential safety hazard in solving.It includes valve body, described valve body is provided with the first oil duct, second oil duct, 3rd oil duct, 4th oil duct and control chamber, piston rod is provided with described control chamber, first control valve and the second control valve, the first described control valve is located between the first cavity volume and the 3rd oil duct, the second described control valve is located between the second cavity volume and the 4th oil duct, the first described control valve, second control valve, which has to open simultaneously, to be caused the first cavity volume by the 3rd first state that oil duct is connected with actuator and the second cavity volume is connected by the 4th oil duct with actuator and simultaneously closes off the second state for causing the hydraulic oil in actuator from oil return box.The present invention also has simple in construction, easy to assembly, reliable in action, the advantages of service life is long.
Description
Technical field
The present invention relates to a kind of agricultural machinery, and in particular to a kind of banked direction control valves with hydraulic pressure lock function.
Background technology
Agricultural machinery refers to during crop-planting industry and Animal husbandry production, Yi Jinong, livestock products preliminary working and processing
During used in various machineries.Agricultural machinery includes farm power machinery, farmland construction machinery, soil cultivating machine, kind
Plant and fertilizer machinery, plant protection mechanism, farmland discharging-irrigating machinery, crop harvesting machine, agricultural product processing machinery, animal husbandry machinery
With farm transportation machinery etc..The agricultural machinery of broad sense also includes forestry machinery, fishery machinery and silkworm and mulberry, bee-keeping, edible fungi training
The agricultural sideline occupations such as plant machinery.Agricultural machinery belongs to relative concept, and it is all mechanical for agricultural, animal husbandry, forestry and fishery to refer to
General name, agricultural machinery belongs to the category of agricultural machinery and implement.Existing agricultural machinery controls generally to set banked direction control valves, multichannel on oil circuit at it
The oil-out of valve is generally connected with actuator, and needs to lock the hydraulic oil in actuator in practical work process
It is fixed so that hydraulic oil is present in actuator, it is ensured that the security performance of product.But existing banked direction control valves does not have interlock, deposits
In potential safety hazard.
The content of the invention
Banked direction control valves for existing agricultural machinery in solution background technology does not possess hydraulic pressure lock function, there is asking for potential safety hazard
Topic, the present invention provides a kind of banked direction control valves with hydraulic pressure lock function.
The technical scheme is that：Set on a kind of banked direction control valves with hydraulic pressure lock function, including valve body, described valve body
Have the first oil duct, the second oil duct, the 3rd oil duct, the 4th oil duct and a control chamber, described the first oil duct, the second oil duct with control
Chamber is connected, and is provided with piston rod, the first control valve and the second control valve in described control chamber, and described piston rod is by control chamber
Be divided into mutual disconnected first cavity volume and the second cavity volume, described the first control valve located at the first cavity volume and the 3rd oil duct it
Between, described the second control valve is located between the second cavity volume and the 4th oil duct, and described the first control valve, the second control valve have
Open simultaneously and make it that the first cavity volume is connected by the 3rd oil duct with actuator and the second cavity volume passes through the 4th oil duct and execution
First state and simultaneously close off the second state for causing the hydraulic oil in actuator from oil return box that device is connected.
As a modification of the present invention, described piston rod has quiet when the first control valve, the second control valve are closed
First position only in control chamber and the second place for coordinating top to open the first control valve or the second control valve is slid with valve body.
As a further improvement on the present invention, described piston rod is when the first oil duct enters pressure oil and opens the first control valve
Pressure oil in the first oil duct promotes relative valve body to slide and open the second control valve.
As a further improvement on the present invention, the first described control valve includes valve seat, valve pocket and valve element, described valve seat
Offseted with the end face of valve pocket and valve pocket is fixed in the control chamber of valve body, the valve core housing is in valve pocket, described valve element
With causing first position that the first cavity volume is connected with the 3rd oil duct and be engaged with valve sleeving inner wall so that the first cavity volume and
The second place that three oil ducts disconnect.
As a further improvement on the present invention, described valve element is provided with elastic component, and described elastic component offsets with valve seat,
There is described elastic component driving valve element to tend to the movement tendency of the second place.
As a further improvement on the present invention, one end of described valve pocket offsets with valve seat, the other end and valve interior wall phase
Support, described valve seat is connected with valve body screw thread.
As a further improvement on the present invention, the first described control valve includes valve seat, valve pocket and valve element, the valve core housing
In valve pocket, described valve element have cause first position that the first cavity volume is connected with the 3rd oil duct and with valve sleeving inner wall phase
Coordinate the second place for make it that the first cavity volume and the 3rd oil duct disconnect, described valve pocket is connected with valve body screw thread, described valve seat
It is threadedly coupled with valve pocket.
As a further improvement on the present invention, described valve seat is sheathed in valve pocket and offseted by elastic component with valve element,
There is described elastic component driving valve element to tend to the movement tendency of the second place.
As a further improvement on the present invention, one end of the valve pocket is stretched out outside valve body and folds edge, described edge
Fitted with the outer wall of valve body.
As a further improvement on the present invention, the first described control valve and the second control valve are check valve.
The beneficial effects of the invention are as follows there is provided two control valves and a piston rod, are closed by two control valves simultaneously
Close so that the hydraulic oil of the big chamber of actuator and small chamber is unable to oil return box, realizes the function of hydraulic lock, it is ensured that product is reliable and secure dynamic
Make, when one of control valve is opened, can reliable, quickly drive another control valve to open by piston rod so as to hold
The hydraulic oil oil back chamber of row device.The present invention also has simple in construction, easy to assembly, reliable in action, the advantages of service life is long.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the embodiment of the present invention one.
Accompanying drawing 2 is the structural representation of the first control valve 3 in accompanying drawing 1.
Accompanying drawing 3 is the structural representation of the embodiment of the present invention two.
Accompanying drawing 4 is the structural representation of the first control valve 3 in accompanying drawing 3.
In figure, 1, valve body；11st, the first oil duct；12nd, the second oil duct；13rd, the 3rd oil duct；14th, the 4th oil duct；15th, control
Chamber；151st, the first cavity volume；152nd, the second cavity volume；2nd, piston rod；3rd, the first control valve；31st, valve seat；32nd, valve pocket；321st, edge；
33rd, valve element；34th, elastic component；4th, the second control valve.
Embodiment
Embodiments of the present invention is further illustrated below in conjunction with the accompanying drawings：
As shown in Fig. 1 combinations Fig. 2-4, a kind of banked direction control valves with hydraulic pressure lock function, including valve body 1, described valve body 1 is provided with
First oil duct 11, the second oil duct 12, the 3rd oil duct 13, the 4th oil duct 14 and control chamber 15, first described the 11, second oil of oil duct
Road 12 is connected with control chamber 15, and piston rod 2, the first control valve 3 and the second control valve 4 are provided with described control chamber 15,
Control chamber 15 is divided into the mutual disconnected cavity volume 152 of first cavity volume 151 and second, the first described control by described piston rod 2
Valve 3 processed is located between the first cavity volume 151 and the 3rd oil duct 13, and the second described control valve 4 is located at the second cavity volume 152 and the 4th oil
Between road 14, described the first control valve 3, the second control valve 4, which have to open simultaneously, causes the first cavity volume 151 to pass through the 3rd oil duct
13 are connected with actuator and first state that the second cavity volume 152 is connected by the 4th oil duct 14 with actuator and close simultaneously
Close the second state for causing the hydraulic oil in actuator from oil return box.Specifically, the first described control valve 3 and the second control
Valve 4 processed is check valve.The present invention is provided with two control valves and a piston rod, is simultaneously closed off, made by two control valves
The hydraulic oil for obtaining the big chamber of actuator and small chamber is unable to oil return box, realizes the function of hydraulic lock, it is ensured that the reliable and secure action of product, when
When one of control valve is opened, another control valve can reliable, be quickly driven to open by piston rod so that actuator
Hydraulic oil oil back chamber.The present invention also has simple in construction, easy to assembly, reliable in action, the advantages of service life is long.
Described piston rod 2 has the be still in when the first control valve 3, the second control valve 4 are closed in control chamber 15
One position and the second place that the first control valve 3 or the second control valve 4 are opened with the sliding cooperation of valve body 1 top.Specifically, it is described
Piston rod 2 promotes relative valve in the pressure oil that the first oil duct 11 enters when pressure oil opens the first control valve 3 in the first oil duct 11
Body 1 slides and opens the second control valve 4.So that the first oil duct enters pressure oil as an example, when the first oil duct oil-feed, filled in the first cavity volume
Full pressure oil, the valve element of the first control valve is opened, and pressure oil enters the big chamber or small chamber of actuator by the 3rd oil duct, together
When the first cavity volume in pressure oil ejector piston bar, piston rod stress overcomes the elastic force of the second control valve, opens second and control
Valve, now the pressure oil of the small chamber in actuator or big chamber is through the 4th oil duct, the second control valve, the second cavity volume, the second oil duct time
Fuel tank.Such structure causes product to have safe hydraulic pressure lock function so that product structure is simple, and interlocking is reliable.
Embodiment one：Referring to attached Fig. 1 and 2, the first described control valve 3 includes valve seat 31, valve pocket 32 and valve element 33, described
The end face of valve seat 31 and valve pocket 32 offset and valve pocket 32 be fixed in the control chamber 15 of valve body 1, the valve element 33 is sheathed on
In valve pocket 32, described valve element 33 has the first position and and valve pocket for make it that the first cavity volume 151 is connected with the 3rd oil duct 13
32 inwalls are engaged the second place for make it that the first cavity volume 151 and the 3rd oil duct 13 disconnect.Valve seat, valve pocket use split type knot
Structure so that parts machining is convenient, valve pocket need not coordinate with regard to that can be put into the control chamber of valve body, it is only necessary to which valve seat can be achieved with
Valve pocket is locked so that Product processing is easy to assembly.
Described valve element 33 is provided with elastic component 34, and described elastic component 34 offsets with valve seat 31, described elastic component 34
Tend to the movement tendency of the second place with driving valve element 33.Specifically, one end of described valve pocket 32 offsets with valve seat 31,
The other end is offseted with the inwall of valve body 1, and described valve seat 31 is threadedly coupled with valve body 1.It is such so that product structure is simple, processing
Convenient, interlocking is reliable.
Embodiment two：Referring to accompanying drawing 3 and 4, the first described control valve 3 includes valve seat 31, valve pocket 32 and valve element 33, described
Valve element 33 is sheathed in valve pocket 32, and described valve element 33 has first that the first cavity volume 151 is connected with the 3rd oil duct 13
Position and the second place for causing the disconnection of the first cavity volume 151 and the 3rd oil duct 13, described valve pocket are engaged with the inwall of valve pocket 32
32 are threadedly coupled with valve body 1, and described valve seat 31 is threadedly coupled with valve pocket 32.The valve pocket of the present invention uses integral structure, directly
Connect and be connected with valve body, valve pocket arrives valve body without top, will not thus make valve body deformation, it is to avoid block during piston rod movement
Extremely, the reliability of product is added.Sealing means, which are only used in the diametric(al) of valve pocket, simultaneously is sealed, and has certain loosen
Effect so that product sealed reliable.And valve seat and valve element are all in valve pocket, it is possible to achieve integral type is installed, simple in construction, peace
Dress is convenient, good seal performance.
Described valve seat 31 is sheathed in valve pocket 32 and offseted by elastic component 34 with valve element 33, and described elastic component 34 has
There is driving valve element 33 to tend to the movement tendency of the second place.Specifically, one end of the valve pocket 32 is stretched out outside valve body 1 and folded
Edge 321, the outer wall at described edge 321 and valve body 1 fits.Such structure causes product to have good sealing effectiveness,
It is easy installation and reliable, so that product interlocking is reliable.
The present invention can be used in harvester realizing interlock in electromagnetism banked direction control valves, can be used for other agriculture machines
, can be with certainly in practical work process in tool equipment, naturally it is also possible to hydraulic pressure lock function is realized on common banked direction control valves
By multiple present invention in parallel or in series in hydraulic system, for hydraulic system from lock control.
Every technical staff's notice：Although the present invention is described according to above-mentioned embodiment, of the invention
Invention thought be not limited to that invention, the repacking of any utilization inventive concept will all include this patent protection of the patent right
In the range of.
Claims (10)
1. a kind of banked direction control valves with hydraulic pressure lock function, including valve body（1）, it is characterised in that:Described valve body（1）Provided with the
One oil duct（11）, the second oil duct（12）, the 3rd oil duct（13）, the 4th oil duct（14）And control chamber（15）, described the first oil duct
（11）, the second oil duct（12）And control chamber（15）It is connected, described control chamber（15）It is interior to be provided with piston rod（2）, first control
Valve processed（3）With the second control valve（4）, described piston rod（2）By control chamber（15）It is divided into mutual disconnected first cavity volume
（151）With the second cavity volume（152）, described the first control valve（3）Located at the first cavity volume（151）With the 3rd oil duct（13）Between,
The second described control valve（4）Located at the second cavity volume（152）With the 4th oil duct（14）Between, the first described control valve（3）,
Two control valves（4）Cause the first cavity volume with opening simultaneously（151）Pass through the 3rd oil duct（13）It is connected with actuator and
Two cavity volumes（152）Pass through the 4th oil duct（14）The first state that is connected with actuator and simultaneously close off the liquid caused in actuator
Force feed is unable to the second state of oil return box.
2. a kind of banked direction control valves with hydraulic pressure lock function according to claim 1, it is characterised in that described piston rod（2）
With in the first control valve（3）, the second control valve（4）Control chamber is still in during closing（15）Interior first position and and valve body
（1）Sliding coordinates top to open the first control valve（3）Or second control valve（4）The second place.
3. a kind of banked direction control valves with hydraulic pressure lock function according to claim 2, it is characterised in that described piston rod（2）
In the first oil duct（11）Enter pressure oil and open the first control valve（3）When by the first oil duct（11）Interior pressure oil promotes relative valve body
（1）Slide and open the second control valve（4）.
4. a kind of banked direction control valves with hydraulic pressure lock function according to claim 1, it is characterised in that the first described control
Valve（3）Including valve seat（31）, valve pocket（32）And valve element（33）, described valve seat（31）With valve pocket（32）End face offset and by valve
Set（32）It is fixed on valve body（1）Control chamber（15）It is interior, the valve element（33）It is sheathed on valve pocket（32）Interior, described valve element（33）
With causing the first cavity volume（151）With the 3rd oil duct（13）The first position being connected and and valve pocket（32）Inwall be engaged so that
First cavity volume（151）With the 3rd oil duct（13）The second place of disconnection.
5. a kind of banked direction control valves with hydraulic pressure lock function according to claim 4, it is characterised in that described valve element（33）
It is provided with elastic component（34）, described elastic component（34）With valve seat（31）Offset, described elastic component（34）With driving valve element
（33）Tend to the movement tendency of the second place.
6. a kind of banked direction control valves with hydraulic pressure lock function according to claim 4, it is characterised in that described valve pocket（32）
One end and valve seat（31）Offset, the other end and valve body（1）Inwall offsets, described valve seat（31）With valve body（1）Threaded connection.
7. a kind of banked direction control valves with hydraulic pressure lock function according to claim 1, it is characterised in that the first described control
Valve（3）Including valve seat（31）, valve pocket（32）And valve element（33）, the valve element（33）It is sheathed on valve pocket（32）Interior, described valve element
（33）With causing the first cavity volume（151）With the 3rd oil duct（13）The first position being connected and and valve pocket（32）Inwall is engaged
So that the first cavity volume（151）With the 3rd oil duct（13）The second place of disconnection, described valve pocket（32）With valve body（1）Screw thread connects
Connect, described valve seat（31）With valve pocket（32）Threaded connection.
8. a kind of banked direction control valves with hydraulic pressure lock function according to claim 7, it is characterised in that described valve seat（31）
It is sheathed on valve pocket（32）It is interior and pass through elastic component（34）With valve element（33）Offset, described elastic component（34）With driving valve element
（33）Tend to the movement tendency of the second place.
9. a kind of banked direction control valves with hydraulic pressure lock function according to claim 7, it is characterised in that the valve pocket（32）'s
Valve body is stretched out in one end（1）It is outer and fold edge（321）, described edge（321）With valve body（1）Outer wall fit.
10. a kind of banked direction control valves with hydraulic pressure lock function according to claim 1, it is characterised in that the first described control
Valve（3）With the second control valve（4）It is check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710541672.7A CN107218413A (en) | 2017-07-05 | 2017-07-05 | A kind of banked direction control valves with hydraulic pressure lock function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710541672.7A CN107218413A (en) | 2017-07-05 | 2017-07-05 | A kind of banked direction control valves with hydraulic pressure lock function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107218413A true CN107218413A (en) | 2017-09-29 |
Family
ID=59951809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710541672.7A Pending CN107218413A (en) | 2017-07-05 | 2017-07-05 | A kind of banked direction control valves with hydraulic pressure lock function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218413A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620810A (en) * | 2017-10-30 | 2018-01-23 | 圣邦集团有限公司 | A kind of mechanical No leakage banked direction control valves |
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| CN104454722A (en) * | 2014-10-29 | 2015-03-25 | 浙江阿凡特精密设备制造有限公司 | Hydraulic multi-way valve |
| CN106382273A (en) * | 2016-11-08 | 2017-02-08 | 合肥协力液压科技有限公司 | Reversing valve integrated with hydraulic control locks |
| CN206904297U (en) * | 2017-07-05 | 2018-01-19 | 圣邦集团有限公司 | A kind of banked direction control valves with hydraulic pressure lock function |
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2017
- 2017-07-05 CN CN201710541672.7A patent/CN107218413A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202746314U (en) * | 2012-08-23 | 2013-02-20 | 淮安市胜杰液压机械有限公司 | Reversing valve two-way hydraulic lock |
| CN203201894U (en) * | 2013-04-18 | 2013-09-18 | 淮安市三联液压科技有限公司 | Combined-type reversing valve for hydraulic locks |
| CN103742682A (en) * | 2014-01-24 | 2014-04-23 | 浙江海宏液压科技股份有限公司 | Multiway valve for harvesters |
| CN104454722A (en) * | 2014-10-29 | 2015-03-25 | 浙江阿凡特精密设备制造有限公司 | Hydraulic multi-way valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620810A (en) * | 2017-10-30 | 2018-01-23 | 圣邦集团有限公司 | A kind of mechanical No leakage banked direction control valves |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170929 |
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