CN205806568U - A kind of oil channel structures for oil pressure adjusting valve - Google Patents
A kind of oil channel structures for oil pressure adjusting valve Download PDFInfo
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- CN205806568U CN205806568U CN201620719116.5U CN201620719116U CN205806568U CN 205806568 U CN205806568 U CN 205806568U CN 201620719116 U CN201620719116 U CN 201620719116U CN 205806568 U CN205806568 U CN 205806568U
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- lining
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Abstract
The utility model discloses a kind of oil channel structures for oil pressure adjusting valve, relate to the technical field of oil pressure adjusting valve, including valve body, in the bottom of valve body, be provided with lining, the bottom of this lining is provided with inner groovy, is provided with the piston that can move back and forth along its length in lining；Fixed valve plug is fixedly installed on lining opening part；Movable valve plug is I shape, forms movable valve plug central cavity between middle part and valve body that movable valve plug cross-sectional area is less, and this movable valve plug connects a push rod near one end of fixed valve plug, and this push rod is inserted through fixed valve plug connection piston away from one end of movable valve plug；Oil channel structures it is additionally provided with in valve body, this oil channel structures includes oil-feed annular groove and goes out oil ring groove, being provided with oil-in and oil-out in valve body, movable valve plug, away from forming oil back chamber between one end end face and the valve body of push rod, valve body is additionally provided with connection oil back chamber and extraneous spill port.This utility model, by optimizing oil channel structures, improves the control accuracy of regulation oil pressure.
Description
Technical field
This utility model relates to the technical field of oil pressure adjusting valve, is specifically related to a kind of oil circuit for oil pressure adjusting valve and ties
Structure.
Background technology
Oil pressure adjusting valve is installed on the engine oil passage of electromotor, for regulating what lubricating oil pump exported to hydraulic element
Engine oil pressure.Oil pressure adjusting valve is provided with oil-in, oil-out and oil return opening, the control letter sent according to engine control system
Number accurately control the electromagnetic force size of electromagnetic actuators, drive the movable valve plug in body cavity to carry out axially-movable, regulate into
The connected state of hydraulic fluid port, oil-out and oil return opening, thus the output oil pressure of lubricating oil pump is adjusted to target oil pressure, improve machine oil
The service behaviour of pump and hydraulic element and functional reliability, reduce the power attenuation of lubricating oil pump, promotes engine power, fall
Low burn oil consumption and exhaust emissions.Hydraulic element carries out real-time dynamic control according to the Operation Conditions of electromotor, starts
The change of machine Operation Conditions can cause the fluctuation of lubricating oil pump output oil pressure, and the dynamic response performance of oil pressure adjusting valve has influence on machine oil
The job stability of pump and hydraulic element and reliability, The faster the better to usually require that the response speed of oil pressure adjusting valve.
The form that spill port is axial blind hole connection radial direction through hole in tradition oil pressure regulation valve actuation spool, structure is complicated,
Anufacturability is poor；It addition, the oil-in of tradition oil pressure adjusting valve and oil-out take to bore the form of multiple circular hole in annular groove,
Each hole location consistency in the axial direction requires higher, and anufacturability is poor, and the overflow section of circular hole in the axial direction with
Movable valve plug displacement is non-linear variation, and the control difficulty making oil pressure adjusting valve is big, controls response speed slow.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model aims to provide a kind of oil circuit for oil pressure adjusting valve and ties
Structure, by optimizing oil channel structures, improves the control accuracy of regulation oil pressure.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of oil channel structures for oil pressure adjusting valve, including valve body, is provided with lining in the bottom of valve body, this lining
Opening is provided with inner groovy towards the other end of valve body, the bottom of this lining, is the most also disposed with in valve body
Coaxial piston, fixed valve plug and movable valve plug:
Being provided with the piston that can move back and forth along its length in this lining, the circumferential lateral surface of this piston is close to lining
Inwall, piston is near forming piston end cavity between one end and lining bottom of lining bottom, this piston is near lining opening
One end be back taper mesa-shaped；
Fixed valve plug is fixedly installed on lining opening part, this fixed valve plug near one end of piston in the inversed taper platform being matched with piston
Shape, piston is one end of back taper mesa-shaped and fixed valve plug forms piston tip cavity between one end of piston；
Movable valve plug is I shape, and valve body can be along its length is close at the two ends that this movable valve plug cross section area is bigger respectively
Direction moves back and forth relative to valve body, is formed in the middle part of movable valve plug empty between middle part and valve body that movable valve plug cross-sectional area is less
Chamber, this movable valve plug connects a push rod near one end of fixed valve plug, and this push rod is inserted through fixed valve plug connection away from one end of movable valve plug
Piston, this push rod can move back and forth along its length relative to fixed valve plug, and movable valve plug forms movable valve plug away from one end of push rod
Sealing ring, fixed valve plug is connected with movable valve plug away from one end of piston between one end end face of push rod and forms movable valve plug tip cavity；
Being additionally provided with oil channel structures in valve body, this oil channel structures includes being surrounded on entering outside movable valve plug central cavity respectively
Oil ring groove and go out oil ring groove, is provided with connection oil-feed annular groove and the oil-in of movable valve plug central cavity, also sets in valve body in valve body
Being equipped with the oil-out connecting out oil ring groove and movable valve plug central cavity, oil-out is matched with movable valve plug sealing ring, oil-in and going out
Hydraulic fluid port is all in sector, and the radially projecting of oil-in and oil-out is the most rectangular, and movable valve plug is away from one end end face of push rod and valve body
Between form oil back chamber, valve body is additionally provided with connection oil back chamber and extraneous spill port.
As a kind of improvement of the present utility model, the inner groovy of lining bottom is C-shaped.
As another kind of improvement of the present utility model, valve body is positioned at lining opening part and is provided with mounting bracket, fixed valve plug
It is fixedly installed in this mounting bracket.
Another kind of improve as of the present utility model, on valve body, outside lining on be arranged with guide pin bushing.
The beneficial effects of the utility model are: by improving oil channel structures, oil-in and oil-out are both configured to footpath
To the sector that projection is rectangular, and overflow section is long-pending linear with axial height, it is simple to the control essence of control and regulation valve
Degree, solves in traditional handicraft because oil-in and oil-out technique imperfection cause that the control difficulty of oil pressure adjusting valve is big, control
The problem that response speed is slow；Lining bottom is provided with inner groovy, retains piston and the gap of lining, reduces the movement resistor of piston
Power, improves the response speed of oil pressure adjusting valve further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is that the C of Fig. 1 is to schematic diagram；
Fig. 3 is the profile of oil channel structures part in the present invention.
Reference: 1, valve body；2, spring；3, movable valve plug；4, push rod；5, fixed valve plug；6, mounting bracket；7, keep off every magnetic
Circle；8, coil component；9, piston；10, guide pin bushing；11, guide pin bushing seat；12, lining；13, shell；14, c-type inner groovy；15, piston end
End cavity；16, piston tip cavity；17, groove；18, movable valve plug tip cavity；19, oil-in；20, oil-feed annular groove；21, go out
Hydraulic fluid port；22, movable valve plug sealing ring；23, oil ring groove is gone out；24, oil back chamber；25, spill port.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, this utility model is described further:
As it is shown in figure 1, a kind of oil channel structures for oil pressure adjusting valve, including valve body 1, the bottom of valve body 1 is provided with
Shell 13, is provided with ring-type guide pin bushing seat 11 in shell 13, a guide pin bushing 10 is inserted through guide pin bushing seat 11 and is arranged in shell 13, guide pin bushing
It is provided with coil component 8 in the cavity formed between 10 and shell 13；One lining 12 is sheathed in guide pin bushing 10, opening of this lining 12
Mouthful towards valve body 1 away from one end of shell 13, the bottom of this lining 12 is provided with c-type inner groovy 14；In valve body 1 the most along its length
Direction is provided with moving parts, and this moving parts sequentially includes coaxial piston 9, fixed valve plug 5, push rod 4 and movable valve plug 3, this lining
Being provided with, in set 12, the piston 9 that can move back and forth along lining 12 length direction, the circumferential lateral surface of this piston 9 is close in lining 12
Wall, piston 9 is near forming piston end cavity 15 between one end and lining 12 bottom of lining 12 bottom, this piston 9 is near lining
The one end overlapping 12 openings is back taper mesa-shaped；Being positioned at lining 12 opening part on valve body 1 and be provided with mounting bracket 6, piston 9 is provided above
Having fixed valve plug 5, this fixed valve plug 5 is fixedly installed in mounting bracket 6 away from one end of piston 9, the guide pin bushing seat being contained in shell 13
11, guide pin bushing 10, piston 9, lining 12, coil component 8, fixed valve plug 5 and mounting bracket 6 constitute electromagnetic actuators, and piston 9 is with fixed
Be provided with between spool 5 for keep both gaps every magnetic back-up ring 7, the inner ring diameter that should be formed every magnetic back-up ring 7 is less than piston 9
Cross-sectional diameter in straight drum part, forms piston tip cavity 16 between the piston 9 one end and fixed valve plug 5 in back taper mesa-shaped；
One push rod 4 is inserted through fixed valve plug 5 and connects piston 9 every magnetic back-up ring 7, and the cross-sectional diameter of this push rod 4 is less than in magnetic back-up ring 7
Ring diameter, the side of push rod 4 is additionally provided with for connecting third through-hole and extraneous groove 17；Push rod 4 is away from the one of piston 9
It is the movable valve plug 3 of I type that end connects section, and valve body 1 can is close at the two ends that this movable valve plug 3 cross section area is bigger respectively
Moving back and forth relative to valve body 1 along its length, fixed valve plug 5 is connected the one of push rod 4 away from one end of piston 9 with movable valve plug 3
Forming movable valve plug tip cavity 18 between end end face, movable valve plug 3 forms movable valve plug sealing ring 22, dynamic valve away from one end of push rod 4
Movable valve plug central cavity is formed between middle part and valve body 1 that core 3 cross-sectional area is less；As shown in Figures 2 and 3, set in valve body 1
Being equipped with the oil-feed annular groove 20 of the annular around movable valve plug 3 circumferential lateral surface, the end face place plane of this oil-feed annular groove 20 is perpendicular to the
The bearing of trend of four through holes, is provided with the oil-in 19 of connection oil-feed annular groove 20 and movable valve plug 3 central cavity, oil-feed in valve body 1
Mouth 19 is in sector, and the rectangular shape of radially projecting of this oil-in 19, the overflow section of oil-in 19 is long-pending with axial height linearly
Proportionate relationship；Be positioned in valve body 1 on the oil-feed annular groove 20 side away from fixed valve plug 5 be provided with annular go out oil ring groove 23, this goes out
Oil ring groove 23 is surrounded on the circumferential lateral surface of movable valve plug 3 equally and is parallel to oil-feed annular groove 20, is provided with and connects out in valve body 1
Oil ring groove 23 and the oil-out 21 of movable valve plug 3 central cavity, oil-out 21 is in sector, and this oil-out 21 is matched with movable valve plug and seals
Ring 22, the rectangular shape of radially projecting of this oil-out 21, the overflow section of oil-out 21 is long-pending to close with axial height linearly ratio
System, oil-out 21 and oil-in 19 are positioned on the same side of movable valve plug 3；Movable valve plug 3 is positioned at the end of movable valve plug sealing ring 22 one end
Form oil back chamber 24 between face and valve body 1, be provided with the spring 2 connecting movable valve plug 3 with valve body 1 in this oil back chamber 24, on valve body 1
It is additionally provided with connection oil back chamber 24 and extraneous spill port 25.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various
Corresponding change and deformation, and all these change and deformation all should belong to the protection of this utility model claim
Within the scope of.
Claims (4)
1. the oil channel structures for oil pressure adjusting valve, it is characterised in that include valve body, be provided with lining in the bottom of valve body
Set, the opening of this lining is provided with inner groovy towards the other end of valve body, the bottom of this lining, in valve body along its length also
It is disposed with coaxial piston, fixed valve plug and movable valve plug:
Being provided with the piston that can move back and forth along its length in this lining, the circumferential lateral surface of this piston is close in lining
Wall, piston is near forming piston end cavity between one end and lining bottom of lining bottom, this piston is near lining opening
One end is back taper mesa-shaped；
Fixed valve plug is fixedly installed on lining opening part, this fixed valve plug near one end of piston in being matched with the back taper mesa-shaped of piston,
Piston is one end of back taper mesa-shaped and fixed valve plug forms piston tip cavity between one end of piston；
Movable valve plug is I shape, and valve body can be along its length is close at the two ends that this movable valve plug cross section area is bigger respectively
Move back and forth relative to valve body, between middle part and valve body that movable valve plug cross-sectional area is less, form movable valve plug central cavity, should
Movable valve plug connects a push rod near one end of fixed valve plug, and this push rod is inserted through fixed valve plug connection piston away from one end of movable valve plug,
This push rod can move back and forth along its length relative to fixed valve plug, and movable valve plug forms movable valve plug sealing away from one end of push rod
Ring, fixed valve plug is connected with movable valve plug away from one end of piston between one end end face of push rod and forms movable valve plug tip cavity；
Being additionally provided with oil channel structures in valve body, this oil channel structures includes the oil-feed ring being surrounded on respectively outside movable valve plug central cavity
Groove and go out oil ring groove, is provided with connection oil-feed annular groove and the oil-in of movable valve plug central cavity, is additionally provided with in valve body in valve body
Connecting out the oil-out of oil ring groove and movable valve plug central cavity, oil-out is matched with movable valve plug sealing ring, oil-in and oil-out
All in sector, the radially projecting of oil-in and oil-out is the most rectangular, and movable valve plug is away between one end end face and the valve body of push rod
Form oil back chamber, valve body is additionally provided with connection oil back chamber and extraneous spill port.
2. the oil channel structures for oil pressure adjusting valve as claimed in claim 1, it is characterised in that the inner groovy of lining bottom in
C-type.
3. the oil channel structures for oil pressure adjusting valve as claimed in claim 1, it is characterised in that the overflow section of oil-in amasss
Linear along the length in pushrod movement direction with it, the overflow section of oil-out long-pending with it along the length in pushrod movement direction
Linear.
4. the oil channel structures for oil pressure adjusting valve as claimed in claim 1, it is characterised in that be positioned at lining opening on valve body
Place is provided with mounting bracket, and fixed valve plug is fixedly installed in this mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620719116.5U CN205806568U (en) | 2016-07-09 | 2016-07-09 | A kind of oil channel structures for oil pressure adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620719116.5U CN205806568U (en) | 2016-07-09 | 2016-07-09 | A kind of oil channel structures for oil pressure adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205806568U true CN205806568U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620719116.5U Active CN205806568U (en) | 2016-07-09 | 2016-07-09 | A kind of oil channel structures for oil pressure adjusting valve |
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| Country | Link |
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| CN (1) | CN205806568U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547812A (en) * | 2018-04-25 | 2018-09-18 | 王英 | Pilot-operated type flow valve |
-
2016
- 2016-07-09 CN CN201620719116.5U patent/CN205806568U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547812A (en) * | 2018-04-25 | 2018-09-18 | 王英 | Pilot-operated type flow valve |
| CN108547812B (en) * | 2018-04-25 | 2019-12-03 | 林驰杰 | Pilot-operated type flow valve |
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