CN207364333U - A kind of restriction adjustable type three-way flowrate valve - Google Patents
A kind of restriction adjustable type three-way flowrate valve Download PDFInfo
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- CN207364333U CN207364333U CN201721413619.0U CN201721413619U CN207364333U CN 207364333 U CN207364333 U CN 207364333U CN 201721413619 U CN201721413619 U CN 201721413619U CN 207364333 U CN207364333 U CN 207364333U
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- valve
- oil outlet
- throttle
- adjustable type
- adjusting screw
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Abstract
A kind of restriction adjustable type three-way flowrate valve.It is complicated to solve Control System of Agricultural Machinery, volume is big, control difficulty it is big the problem of.It includes valve body, valve pocket is equipped with the valve body, the valve body is equipped with oil inlet, first oil outlet, second oil outlet and cavity volume, the valve pocket is equipped with throttle orifice and connects chamber, the oil inlet is connected with throttle orifice, the throttle valve lever for being used for adjusting throttle orifice openings of sizes is equipped with the valve pocket, the connection chamber is connected with the first oil outlet, the throttle valve lever is equipped with medium channel, the connection chamber is connected by medium channel with cavity volume, the valve pocket has the first position for blocking the second oil outlet and promotes opposite valve body to slide so that the second place that oil inlet is connected with the second oil outlet by pressure oil.The utility model has so that small product size is small, and simple in structure, simple in structure, easy to assembly, control is reliable, and response is fast, service life length.
Description
Technical field
It the utility model is related to a kind of agricultural machinery hydraulic system, and in particular to a kind of restriction adjustable type three-way flowrate
Valve.
Background technology
Agricultural machinery refers to during crop-planting industry and Animal husbandry production, Yi Jinong, livestock products preliminary working and processing
During used 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 further 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 belong to the category of agricultural machinery and implement.Hydraulic system main valve on agricultural machinery mainly leads to throttle grvernings using three six,
The multi-way valve of this form can not realize priority function.It is existing and the steering in hydraulic control system needs priority
Multi-way valve can not realize the function, therefore existing hydraulic system is typically to set multiple valves, and passes through complicated hydraulic pressure
Control is realized so that product structure is complicated, and volume is big, and control accuracy is poor.
The content of the invention
To solve the problem of Control System of Agricultural Machinery is complicated, and volume is big, and control difficulty is big in background technology, this reality
With a kind of restriction adjustable type three-way flowrate valve of new offer.
The technical solution of the utility model is：A kind of restriction adjustable type three-way flowrate valve, including valve body, the valve body
Interior to be equipped with valve pocket, the valve body is equipped with oil inlet, the first oil outlet, the second oil outlet and cavity volume, is set on the valve pocket
There is throttle orifice to be connected with chamber, the oil inlet is connected with throttle orifice, be equipped with the valve pocket and opened for adjusting throttle orifice
The throttle valve lever of mouth size, the connection chamber are connected with the first oil outlet, and the throttle valve lever is equipped with medium channel,
The connection chamber is connected by medium channel with cavity volume, the valve pocket have block the second oil outlet first position and
Opposite valve body is promoted to slide so that the second place that oil inlet is connected with the second oil outlet by pressure oil.
One kind as the utility model is improved, and the throttle valve lever is threadedly coupled with valve pocket, the throttle valve lever
Rotated by opposing valve sleeves and adjust throttle orifice openings of sizes.
As further improvement of the utility model, the throttle valve lever, which is equipped with, to be used to adjust throttle orifice unlatching size
Restriction, the restriction are tapered.
As further improvement of the utility model, return unit, one end of the return unit are equipped with the cavity volume
Offset with valve pocket, the return unit has the movement tendency that driving valve pocket tends to its first position.
As further improvement of the utility model, adjusting screw rod is additionally provided with, the adjusting screw rod joins with throttle valve lever
Dynamic connection.
As further improvement of the utility model, the adjusting screw rod is connected by interlocking bar with throttle valve lever,
The both ends of the interlocking bar are inserted into adjusting screw rod, throttle valve lever and are connected respectively with adjusting screw rod, throttle valve lever respectively.
As further improvement of the utility model, the valve body is equipped with bonnet, and the bonnet matches with valve body
Close and form the cavity volume, the bonnet, which is equipped with, is used for the spacing stop screw of adjusting screw rod.
As further improvement of the utility model, the adjusting screw rod is equipped with groove, on the stop screw
Equipped with the top-pressure part to offset with adjusting screw outer surface, the top-pressure part is arranged in groove.
As further improvement of the utility model, it is recessed inwardly to form storage tank on the outer surface of the valve pocket, institute
It is equipped with the storage tank stated and is used for the spacing locating part of valve pocket, the valve pocket circumferentially rotates limit shaft by locating part and valve body
Coordinate to sliding.
As further improvement of the utility model, the valve pocket is equipped with intercommunicating pore, and the connection chamber passes through company
Through hole is connected with the first oil outlet, and the diameter of first oil outlet is more than the diameter of intercommunicating pore, and the intercommunicating pore exists
Valve pocket is connected when being in first position, the second place with the first oil outlet.
The beneficial effects of the utility model are, go out there is provided a triple valve, and by the setting first of throttle orifice
Hydraulic fluid port can preferentially obtain pressure oil, so that product in hydraulic system, can realize priority acccess control, and the second oil outlet bypassed can
To go to control remaining action, emergency case is run into, the first oil outlet can be acted preferentially, ensure the operating characteristics and security of product
Can, and reduce the use of parts so that small product size is small, simple in structure, simple in structure, easy to assembly, and control is reliable,
Response is fast, service life length.
Brief description of the drawings
Attached drawing 1 is the structure diagram of the utility model embodiment.
Attached drawing 2 is the hydraulic schematic diagram of the utility model embodiment.
In figure, 1, valve body；11st, oil inlet；12nd, the first oil outlet；13rd, the second oil outlet；14th, cavity volume；2nd, valve pocket；21、
Throttle orifice；22nd, chamber is connected；23rd, storage tank；24th, locating part；25th, intercommunicating pore；3rd, throttle valve lever；31st, medium channel；32nd, throttle
Portion；4th, return unit；5th, adjusting screw rod；51st, groove；6th, interlocking bar；7th, bonnet；8th, top-pressure part.
Embodiment
The utility model embodiment is described further below in conjunction with the accompanying drawings：
As shown in Fig. 1 combinations Fig. 2, a kind of restriction adjustable type three-way flowrate valve, including valve body 1, sets in the valve body 1
There is valve pocket 2, the valve body 1 is equipped with oil inlet 11, the first oil outlet 12, the second oil outlet 13 and cavity volume 14, the valve
Set 2 is connected equipped with throttle orifice 21 with chamber 22, the oil inlet 11 is connected with throttle orifice 21, is equipped with the valve pocket 2
For adjusting the throttle valve lever 3 of 21 openings of sizes of throttle orifice, the connection chamber 22 is connected with the first oil outlet 12, described
Throttle valve lever 3 is equipped with medium channel 31, and the connection chamber 22 is connected by medium channel 31 with cavity volume 14, the valve
Set 2 has the first position for blocking the second oil outlet 13 and promotes opposite valve body 1 to slide by pressure oil so that oil inlet 11 and the
The second place that two oil outlets 13 are connected.The utility model is provided with a triple valve, and the setting for passing through throttle orifice
First oil outlet can preferentially obtain pressure oil, so that product in hydraulic system, can realize priority acccess control, and second bypassed goes out
Hydraulic fluid port can go to control remaining action, run into emergency case, and the first oil outlet can be acted preferentially, ensure product operating characteristics and
Security performance, and reduce the use of parts so that small product size is small, simple in structure, simple in structure, easy to assembly, control
System is reliable, and response is fast, service life length.During work, the pressure oil of oil inlet preferentially by adjustable orifice to the first oil outlet,
The load port of first oil outlet, that is, three-way flowrate valve, first oil outlet are used to turn to or/and brake.The pressure of oil inlet at the same time
Valve pocket right end is acted on, and crosses the pressure oil of throttle orifice through in the medium channel on throttle valve lever to cavity volume, which acts on
In the left end of valve pocket.When pressure difference exceedes return unit setting value before and after throttle orifice, this pressure difference promotes valve pocket to be moved to the left, and causes more
Remaining flow flow to the second oil outlet, i.e., so that the pressure oil of oil inlet is preferentially supplied to the first oil outlet and is used to turn to, just
Normal working status, unnecessary pressure oil can be worked by the second oil outlet feed system, reduce the use of valve, simple in structure,
Volume is few, reduces the cost of system, while improves the reliability of product.It is prominent running into since steering needs priority
When the oil pressure of heat condition pressure oil declines, valve pocket closes or turns down the second oil outlet under the action of return unit, preferentially to first
Oil outlet and steering fuel feeding, ensure the operating characteristics and security performance of product so that this product is especially suitable for agriculture machine
In tool hydraulic system.More specifically, valve pocket is against on valve body by return unit, specifically, return unit is to determine pressure spring,
Valve pocket is positioned with locating part, specifically, locating part is steel ball, and valve pocket is moved left and right cannot rotate along center line.Section
Stream valve rod cooperatively forms throttle orifice with valve pocket, by throttle valve lever and the screw thread of valve pocket, realizes the adjusting of throttle orifice, and pass through connection
Lever realizes the connection of adjusting screw rod and throttle valve lever, that is, rotates adjusting screw rod, and adjusting screw rod passes through STATEMENT OF FEDERALLY SPONSORED throttle valve
Bar rotates synchronously, and specifically, the both ends of STATEMENT OF FEDERALLY SPONSORED are designed with hexagonal connecting portion so that product reliable transmission, throttle valve lever
Rotate so that throttle valve lever opposing valve sleeves rotate, so that the distance of the restriction insertion throttle orifice of throttle valve lever is adjusted, so as to adjust
The unlatching size of section section discharge orifice.This product is so enabled to be adapted to different steering to the different demand of flow so that this
Product can meet the needs of different steering are to different flow so that product range of fit is wider.
The throttle valve lever 3 is threadedly coupled with valve pocket 2, and the throttle valve lever 3 is rotated by opposing valve sleeves 2 and adjusts section
21 openings of sizes of discharge orifice.Such structure is synchronized with the movement easy to throttle valve lever in work process with valve pocket, keeps adjusting in work
The position of throttle orifice after section is good so that the flow of the first oil outlet is constant.Specifically, the throttle valve lever 3 is equipped with and is used for
The restriction 32 that throttle orifice 21 opens size is adjusted, the restriction 32 is tapered.Such structure enables product reliable
Adjusting throttle orifice openings of sizes, so as to control the output flow of the first oil outlet so that product range of fit is wider.Due to adopting
With the restriction of taper cause so that throttle orifice the big minor adjustment of unlatching it is accurate, and tapered portion insertion throttle orifice in when can be complete
Close throttle orifice so that the unlatching size of product throttle orifice is easy to adjust reliable accurate, easy to control.
Return unit 4 is equipped with the cavity volume 14, one end and the valve pocket 2 of the return unit 4 offset, the return unit
4 have the movement tendency that driving valve pocket 2 tends to its first position.Such structure make it that valve pocket reduction of spondylolisthesis is reliable, easy to valve
Cover continuous action.
The utility model is additionally provided with adjusting screw rod 5, and the adjusting screw rod 5 is connected with throttle valve lever 3.Specifically
Say, the adjusting screw rod 5 is connected by interlocking bar 6 with throttle valve lever 3, and adjusting is inserted at the both ends of the interlocking bar 6 respectively
It is connected respectively in screw rod 5, throttle valve lever 3 and with adjusting screw rod 5, throttle valve lever 3.Adjusting screw rod is throttled by STATEMENT OF FEDERALLY SPONSORED
Valve rod rotate synchronously, specifically, the both ends of STATEMENT OF FEDERALLY SPONSORED are designed with hexagonal connecting portion, naturally it is also possible to be triangle, corner, five jiaos
Etc. can be with the polygon of reliable delivery torsion, certainly in the actual production process, STATEMENT OF FEDERALLY SPONSORED can be with throttle valve lever axial slip
Coordinate；So that product reliable transmission, the rotation of throttle valve lever causes throttle valve lever opposing valve sleeves to rotate, so as to adjust throttle valve lever
Restriction insertion throttle orifice distance, so as to adjust the unlatching size of throttle orifice.
The valve body 1 is equipped with bonnet 7, and the bonnet 7 is engaged to form the cavity volume 14 with valve body 1, described
Bonnet 7 be equipped with and be used for the spacing stop screw of adjusting screw rod 5.Specifically, the adjusting screw rod 5 is equipped with groove
51, the stop screw is equipped with the top-pressure part 8 to offset with adjusting screw outer surface, and the top-pressure part 8 is arranged in groove.
After such structure causes adjusting screw tune top, adjusting screw will not be misrouted dynamic, so that the first oil outlet flow is constant, be
System output is stablized.The top-pressure part is plastic part, and plastic part avoids damage to adjusting screw rod in the groove of adjusting screw rod,
And make it that adjusting screw rod degree of regulation is high.When adjusting screw rod is adjusted, somewhat so that top-pressure part is away from adjusting screw rod surface, you can
So that adjusting screw rod Positive rotational, and the inner wall cooperation spacing in the axial direction of top-pressure part and adjusting screw rod groove, so as to throttling
The adjusting of valve rod provides to be reminded and spacing in place, avoids injury gained in sports throttle valve lever and valve pocket so that long product lifecycle.
It is recessed inwardly to form storage tank 23 on the outer surface of the valve pocket 2, is equipped with the storage tank 23 and is used for valve
2 spacing locating parts 24 are covered, the valve pocket 2 circumferentially rotates spacing axial slip by locating part 24 and valve body 1 and coordinates.This reality
With new using locating part positioning valve pocket, specifically, locating part is steel ball, and valve pocket is moved left and right cannot be along center line
Rotation, so that valve pocket will not rotate when throttle valve lever rotates, so that reliable adjustment throttle valve lever, while the setting of steel ball makes
The movement for obtaining valve pocket plays the role of guiding and reduces friction.
The valve pocket 2 is equipped with intercommunicating pore 25, and the connection chamber 22 passes through intercommunicating pore 25 and 12 phase of the first oil outlet
Connection, the diameter of first oil outlet 12 are more than the diameter of intercommunicating pore 25, and the intercommunicating pore 25 is in first in valve pocket 2
It is connected when position, the second place with the first oil outlet 12.Such structure make it that connect chamber connects with the first oil outlet all the time
It is logical, on the premise of throttle orifice is opened, the first oil outlet can be preferentially opened, so that the preferential fuel feeding of steering energy, meets
System condition requirement.
In the description of the present invention, it is necessary to explanation, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint are opposite
Importance.
In the description of the present invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.In addition, in the description of the present invention, unless otherwise indicated, " multiple " are meant that two or two
More than.
Every technical staff's notice：Although the utility model is described according to above-mentioned embodiment, this
The invention thought of utility model is not limited to that utility model, and any repacking with inventive concept, will all include this specially
In sharp scope of patent protection.
Claims (10)
- A kind of 1. restriction adjustable type three-way flowrate valve, it is characterised in that:Including valve body（1）, the valve body（1）It is interior to be equipped with valve Set（2）, the valve body（1）It is equipped with oil inlet（11）, the first oil outlet（12）, the second oil outlet（13）And cavity volume（14）, The valve pocket（2）It is equipped with throttle orifice（21）With connect chamber（22）, the oil inlet（11）With throttle orifice（21）It is connected, The valve pocket（2）Interior be equipped with is used to adjust throttle orifice（21）The throttle valve lever of openings of sizes（3）, the connection chamber（22）With First oil outlet（12）It is connected, the throttle valve lever（3）It is equipped with medium channel（31）, the connection chamber（22）Pass through Medium channel（31）With cavity volume（14）It is connected, the valve pocket（2）With blocking the second oil outlet（13）First position and Opposite valve body is promoted by pressure oil（1）Sliding is so that oil inlet（11）With the second oil outlet（13）The second place being connected.
- A kind of 2. restriction adjustable type three-way flowrate valve according to claim 1, it is characterised in that the throttle valve lever （3）With valve pocket（2）It is threadedly coupled, the throttle valve lever（3）Pass through opposing valve sleeves（2）Rotate and adjust throttle orifice（21）Opening is big It is small.
- A kind of 3. restriction adjustable type three-way flowrate valve according to claim 1 or 2, it is characterised in that the throttle valve lever （3）It is equipped with and is used to adjust throttle orifice（21）Open the restriction of size（32）, the restriction（32）It is tapered.
- A kind of 4. restriction adjustable type three-way flowrate valve according to claim 1, it is characterised in that the cavity volume（14） It is interior to be equipped with return unit（4）, the return unit（4）One end and valve pocket（2）Offset, the return unit（4）With driving valve Set（2）Tend to the movement tendency of its first position.
- 5. a kind of restriction adjustable type three-way flowrate valve according to claim 1, it is characterised in that be additionally provided with adjusting screw rod （5）, the adjusting screw rod（5）With throttle valve lever（3）It is connected.
- A kind of 6. restriction adjustable type three-way flowrate valve according to claim 5, it is characterised in that the adjusting screw rod （5）Pass through interlocking bar（6）With throttle valve lever（3）It is connected, the interlocking bar（6）Both ends be inserted into adjusting screw rod respectively（5）, section Flow valve rod（3）It is interior and respectively with adjusting screw rod（5）, throttle valve lever（3）It is connected.
- A kind of 7. restriction adjustable type three-way flowrate valve according to claim 5, it is characterised in that the valve body（1）On Equipped with bonnet（7）, the bonnet（7）With valve body（1）It is engaged to form the cavity volume（14）, the bonnet（7）On set It is useful for adjusting screw rod（5）Spacing stop screw.
- A kind of 8. restriction adjustable type three-way flowrate valve according to claim 7, it is characterised in that the adjusting screw rod （5）It is equipped with groove（51）, the stop screw is equipped with the top-pressure part to offset with adjusting screw outer surface（8）, it is described Top-pressure part（8）In groove.
- A kind of 9. restriction adjustable type three-way flowrate valve according to claim 1, it is characterised in that the valve pocket（2）'s It is recessed inwardly to form storage tank on outer surface（23）, the storage tank（23）Interior be equipped with is used for valve pocket（2）Spacing locating part （24）, the valve pocket（2）Pass through locating part（24）With valve body（1）Spacing axial slip is circumferentially rotated to coordinate.
- A kind of 10. restriction adjustable type three-way flowrate valve according to claim 1, it is characterised in that the valve pocket（2） It is equipped with intercommunicating pore（25）, the connection chamber（22）Pass through intercommunicating pore（25）With the first oil outlet（12）It is connected, it is described First oil outlet（12）Diameter be more than intercommunicating pore（25）Diameter, the intercommunicating pore（25）In valve pocket（2）In first Put, the second place when with the first oil outlet（12）It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721413619.0U CN207364333U (en) | 2017-10-30 | 2017-10-30 | A kind of restriction adjustable type three-way flowrate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721413619.0U CN207364333U (en) | 2017-10-30 | 2017-10-30 | A kind of restriction adjustable type three-way flowrate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207364333U true CN207364333U (en) | 2018-05-15 |
Family
ID=62345107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721413619.0U Active CN207364333U (en) | 2017-10-30 | 2017-10-30 | A kind of restriction adjustable type three-way flowrate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207364333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676506A (en) * | 2017-10-30 | 2018-02-09 | 圣邦集团有限公司 | A kind of restriction adjustable type three-way flowrate valve |
-
2017
- 2017-10-30 CN CN201721413619.0U patent/CN207364333U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676506A (en) * | 2017-10-30 | 2018-02-09 | 圣邦集团有限公司 | A kind of restriction adjustable type three-way flowrate valve |
| CN107676506B (en) * | 2017-10-30 | 2024-04-23 | 圣邦集团有限公司 | Three-way flow valve with adjustable throttling port |
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