CN205592210U - Change valve with choked flow swash plate - Google Patents
Change valve with choked flow swash plate Download PDFInfo
- Publication number
- CN205592210U CN205592210U CN201620123291.8U CN201620123291U CN205592210U CN 205592210 U CN205592210 U CN 205592210U CN 201620123291 U CN201620123291 U CN 201620123291U CN 205592210 U CN205592210 U CN 205592210U
- Authority
- CN
- China
- Prior art keywords
- swash plate
- choked flow
- flow swash
- arcuate groove
- fluid port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a change valve with choked flow swash plate, including being cylindric valve body, case, the case is cylindricly to first arc wall, second arc wall, third arc wall and fourth arc wall have been seted up on the outer cylindrical surface of case, first hydraulic fluid port, second hydraulic fluid port, third hydraulic fluid port and fourth hydraulic fluid port have been offered on the outer face of cylinder of valve body, first choked flow swash plate has been seted up on the internal surface of first arc wall, second choked flow swash plate has been seted up on the internal surface of second arc wall, third choked flow swash plate has been seted up on the internal surface of third arc wall, fourth choked flow swash plate has been seted up on the internal surface of fourth arc wall. Set up first choked flow swash plate, second choked flow swash plate, third choked flow swash plate, fourth choked flow swash plate respectively through the internal surface of the first arc wall at the case, second arc wall, third arc wall and fourth arc wall, can reduce flow force, improved the stability of changeing the valve.
Description
Technical field
This utility model relates to hydraulic valve technical field, specifically refers to a kind of rotary valve, particularly relates to one
There is the rotary valve of choked flow swash plate.
Background technology
Hydraulic valve is the Automation Elements of a kind of pressure oil operation, and it is controlled by distributing valve pressure oil,
Generally it is applied in combination with electromagnetic distributing valve, can be used for distant control power station oil, gas and water pipeline system
The break-make of system.Be usually used in clamping, control, the oil circuit such as lubrication.Hydraulic valve be divided into direction valve, flow valve,
Pressure valve etc..Hydraulic valve plays a very important role in hydraulic system, any one hydraulic system,
No matter it is the simplest, all can not lack hydraulic valve, the hydraulic mechanical equipment of same technique purpose, lead to
Cross various combination and the use of hydraulic valve, the distinct multiple hydraulic system of oil channel structures can be formed
Scheme, therefore hydraulic valve is kind and specification unit general, most active most, most widely used in hydraulic technique
Part.The basic structure of hydraulic valve mainly includes that spool, valve body do relative fortune in valve body with driving spool
Dynamic operating control mechanism, the version of spool has multiple, valve body offers and coordinates with spool
Valve body hole or valve seat orifice, also external oil pipe into and out of hydraulic fluid port, the operating mechanism of spool have hand-adjusting type,
Mechanical type, electrodynamic type and hydrodynamic or electro-hydraulic dynamic formula.At present, rotary valve in use, due to
There is hydraulic power, it can be caused to produce the generation of energy imbalance.
Utility model content
This utility model is to overcome deficiency of the prior art, it is provided that a kind of have choked flow swash plate
Rotary valve.
This utility model is to be achieved through the following technical solutions:
A kind of rotary valve with choked flow swash plate, including cylindrical valve body, is positioned at described valve body side
Operating control mechanism, be positioned at the fluid passage of described valve body, be positioned at the spool of fluid passage,
Described spool is cylindrical, and offers the first arcuate groove, the second arc on the outer cylinder surface of spool
Shape groove, the 3rd arcuate groove and the 4th arcuate groove, the external cylindrical surface of described valve body offers the first oil
Mouth, the second hydraulic fluid port, the 3rd hydraulic fluid port and the 4th hydraulic fluid port, the inner surface of described first arcuate groove is offered
There is the first choked flow swash plate, the inner surface of described second arcuate groove offers the second choked flow swash plate, described
The 3rd choked flow swash plate is offered, on the inner surface of described 4th arcuate groove on the inner surface of the 3rd arcuate groove
Offer the 4th choked flow swash plate.
As optimal technical scheme of the present utility model, described first choked flow swash plate, the second choked flow swash plate,
The size of the 3rd choked flow swash plate and the 4th choked flow swash plate is identical.
As optimal technical scheme of the present utility model, described first choked flow swash plate, the second choked flow swash plate,
The thickness of the 3rd choked flow swash plate and the 4th choked flow swash plate is 2mm-5mm.
As optimal technical scheme of the present utility model, described first arcuate groove, the second arcuate groove,
The size of three arcuate grooves and the 4th arcuate groove is identical, described first hydraulic fluid port, the second hydraulic fluid port, the 3rd oil
Mouth is identical with the size of the 4th hydraulic fluid port.
Compared with prior art, the beneficial effects of the utility model are: this utility model simple in construction,
Reasonable in design, by the first arcuate groove of spool, the second arcuate groove, the 3rd arcuate groove and the 4th
The inner surface of arcuate groove offer respectively the first choked flow swash plate, the second choked flow swash plate, the 3rd choked flow swash plate,
4th choked flow swash plate, it is possible to reduce hydraulic power, improves the stability of rotary valve.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with
Drawings and Examples, are further elaborated to this utility model.Should be appreciated that this place is retouched
The specific embodiment stated, only in order to explain this utility model, is not used to limit this utility model.
Referring to Fig. 1, Fig. 1 is structural representation of the present utility model.
Described a kind of rotary valve with choked flow swash plate, including cylindrical valve body 1, is positioned at described valve body
The operating control mechanism of 1 side, it is positioned at the fluid passage of described valve body 1, is positioned at fluid passage
Spool 2, described operating control mechanism is hand-adjusting type mechanism or mechanical mechanism or electrodynamic type mechanism or surges
Formula mechanism.
Described spool 2 is cylindrical, and offer on the outer cylinder surface of spool 2 first arcuate groove 3,
Second arcuate groove the 4, the 3rd arcuate groove 5 and the 4th arcuate groove 6, on the external cylindrical surface of described valve body 1
Offer the first hydraulic fluid port the 8, second hydraulic fluid port the 9, the 3rd hydraulic fluid port 10 and the 4th hydraulic fluid port 11, described first
The size of arcuate groove the 3, second arcuate groove the 4, the 3rd arcuate groove 5 and the 4th arcuate groove 6 is identical, institute
State first hydraulic fluid port the 8, second hydraulic fluid port the 9, the 3rd hydraulic fluid port 10 identical with the size of the 4th hydraulic fluid port 11.
The first choked flow swash plate 7, described second arcuate groove is offered on the inner surface of described first arcuate groove 3
Offer the second choked flow swash plate 12 on the inner surface of 4, the inner surface of described 3rd arcuate groove 5 is offered
There is the 3rd choked flow swash plate 13, the inner surface of described 4th arcuate groove 6 offers the 4th choked flow swash plate 14.
Described first choked flow swash plate the 7, second choked flow swash plate the 12, the 3rd choked flow swash plate 13 and the 4th choked flow are oblique
The size of plate 14 is identical, described first choked flow swash plate the 7, second choked flow swash plate the 12, the 3rd choked flow swash plate
13 and the 4th the thickness of choked flow swash plate 14 be 2mm-5mm.
By the first arcuate groove the 3, second arcuate groove the 4, the 3rd arcuate groove 5 and the 4th arc at spool
The inner surface of shape groove 6 offers first choked flow swash plate the 7, second choked flow swash plate the 12, the 3rd choked flow respectively
Swash plate the 13, the 4th choked flow swash plate 14, it is possible to reduce cavitation erosion, the most effectively suppression spool is in working order
Under dither, reduce noise, improve service life.
Described valve body 1 uses austenitic stainless steel to make, and surface carries out anodization, can be the most anti-
Only corrosion, and austenitic stainless steel is carried out the PROCESS FOR TREATMENT such as chrome-faced, nickel, molybdenum, magnesium, it is possible to
To improve the corrosion protection abrasion resistant performance of material.
Described spool 2 is with metal as base material, and the composite with pottery as top layer is made, the most both
Remain the obdurability of metal and the high rigidity of pottery and excellent wear-resistant corrosion resistance, overcome again
The fragility of pottery.
The foregoing is only preferred embodiment of the present utility model, not new in order to limit this practicality
Type, all any amendment, equivalent and improvement made within spirit of the present utility model and principle
Deng, within should be included in protection domain of the present utility model.
Claims (4)
1. there is a rotary valve for choked flow swash plate, including cylindrical valve body (1), be positioned at described valve
The operating control mechanism of body (1) side, it is positioned at the fluid passage of described valve body (1), is positioned at stream
Spool (2) in body passage, described spool (2) is cylindrical, and in the outside cylinder of spool (2)
The first arcuate groove (3), the second arcuate groove (4), the 3rd arcuate groove (5) and is offered on surface
Four arcuate grooves (6), the external cylindrical surface of described valve body (1) offers the first hydraulic fluid port (8), the second oil
Mouth (9), the 3rd hydraulic fluid port (10) and the 4th hydraulic fluid port (11), it is characterised in that: described first arc
The first choked flow swash plate (7) is offered, described second arcuate groove (4) interior on the inner surface of groove (3)
Offer the second choked flow swash plate (12) on surface, the inner surface of described 3rd arcuate groove (5) is offered
There is the 3rd choked flow swash plate (13), the inner surface of described 4th arcuate groove (6) offers the 4th choked flow
Swash plate (14).
A kind of rotary valve with choked flow swash plate the most according to claim 1, it is characterised in that: institute
State the first choked flow swash plate (7), the second choked flow swash plate (12), the 3rd choked flow swash plate (13) and the 4th
The size of choked flow swash plate (14) is identical.
A kind of rotary valve with choked flow swash plate the most according to claim 2, it is characterised in that: institute
State the first choked flow swash plate (7), the second choked flow swash plate (12), the 3rd choked flow swash plate (13) and the 4th
The thickness of choked flow swash plate (14) is 2mm-5mm.
A kind of rotary valve with choked flow swash plate the most according to claim 1, it is characterised in that: institute
State the first arcuate groove (3), the second arcuate groove (4), the 3rd arcuate groove (5) and the 4th arcuate groove (6)
Size identical, described first hydraulic fluid port (8), the second hydraulic fluid port (9), the 3rd hydraulic fluid port (10) and the 4th
The size of hydraulic fluid port (11) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620123291.8U CN205592210U (en) | 2016-02-17 | 2016-02-17 | Change valve with choked flow swash plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620123291.8U CN205592210U (en) | 2016-02-17 | 2016-02-17 | Change valve with choked flow swash plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205592210U true CN205592210U (en) | 2016-09-21 |
Family
ID=56927814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620123291.8U Expired - Fee Related CN205592210U (en) | 2016-02-17 | 2016-02-17 | Change valve with choked flow swash plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205592210U (en) |
-
2016
- 2016-02-17 CN CN201620123291.8U patent/CN205592210U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20190217 |