CN205806636U - A kind of moving parts for oil pressure adjusting valve - Google Patents
A kind of moving parts for oil pressure adjusting valve Download PDFInfo
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- CN205806636U CN205806636U CN201620719352.7U CN201620719352U CN205806636U CN 205806636 U CN205806636 U CN 205806636U CN 201620719352 U CN201620719352 U CN 201620719352U CN 205806636 U CN205806636 U CN 205806636U
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- valve plug
- oil
- piston
- valve body
- movable valve
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Abstract
The utility model discloses a kind of moving parts for oil pressure adjusting valve, relate to the technical field of oil pressure adjusting valve, including valve body, it is provided with lining in the bottom of valve body, is the most also disposed with coaxial piston, fixed valve plug and movable valve plug in valve body: it is protruding that piston is provided with first on one end of lining bottom；Being provided with the ring shaped retainers for keeping both gaps between fixed valve plug and piston, the inner ring diameter that this ring shaped retainers is formed is less than the cross-sectional diameter of piston；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 the oil-feed annular groove being respectively communicated with movable valve plug central cavity and goes out oil ring groove, 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.The response nargin of cavity in this utility model retention valve body, improves pressure regulation precision.
Description
Technical field
This utility model relates to the technical field of oil pressure adjusting valve, is specifically related to a kind of exercise group for oil pressure adjusting valve
Part.
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.Existing
Have in technology, when each moving component moves and during each self-bonding in valve body, impact is responded nargin, reduce pressure regulation precision.
In traditional oil pressure adjusting valve, the cavity of piston rear and front end is connected with the fit clearance of lining by piston, lives
Filling in little with the fit clearance of lining, the resistance of motion of piston is big, and the response speed of oil pressure adjusting valve is slow.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model aims to provide a kind of exercise group for oil pressure adjusting valve
Part, the response nargin of cavity in retention valve body, improves pressure regulation precision.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of moving parts for oil pressure adjusting valve, including valve body, is provided with lining in the bottom of valve body, this lining
Opening, towards the other end of valve body, is the most also disposed with coaxial piston, fixed valve plug and movable valve plug in valve body:
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, it is protruding that piston is provided with first on one end of lining bottom；
Fixed valve plug is fixedly installed on lining opening part, is provided with the ring for keeping both gaps between fixed valve plug and piston
Shape back-up ring, the inner ring diameter that this ring shaped retainers is formed is less than the cross-sectional diameter 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, forms oil passage between middle part and valve body that movable valve plug cross-sectional area is less, and this moves
Spool 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, should
Push rod can move back and forth along its length relative to fixed valve plug, and fixed valve plug is connected push rod away from one end of piston with movable valve plug
Movable valve plug tip cavity is formed between the end face of one end；
Being additionally provided with oil channel structures in valve body, this oil channel structures includes the oil-feed annular groove being respectively communicated with movable valve plug central cavity
With go out oil ring groove, movable valve plug away between one end end face and the valve body of push rod formed oil back chamber, valve body is additionally provided with and connects back
Oil pocket and extraneous spill port.
As a kind of improvement of the present utility model, movable valve plug and push rod are structure as a whole.
As another kind of improvement of the present utility model, one end end face of movable valve plug connection push rod is provided with second protruding.
The beneficial effects of the utility model are: be provided with lining between valve body and piston, and this lining can reduce exercise group
The mechanical wear of part, increases the service life；Piston bottom end is provided with the first projection, retains piston abundant with the response of lining bottom
Degree, it is to avoid piston and lining are too fitted and affected pressure regulation process；Movable valve plug is provided with second on one end end face of fixed valve plug
Projection, can keep the response nargin of movable valve plug tip cavity, is conducive to improving the control accuracy of oil pressure adjusting valve；Similarly, fixed
Ring shaped retainers it is provided with to keep the response nargin of cavity between spool and piston；Movable valve plug and push rod are set to integrative-structure,
More preferably realize in technique, simplify pressure regulator valve structure, ensured the corresponding concordance of movable valve plug and push rod, contribute to carrying further
The control accuracy of high oil pressure adjusting valve.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Reference: 1, valve body；2, spring；3, movable valve plug；4, second is protruding；5, fixed valve plug；6, mounting bracket；7, ring-type
Back-up ring；8, coil component；9, piston；10, guide pin bushing；11, guide pin bushing seat；12, lining；13, shell；14, first is protruding；15, piston
Tip cavity；16, push rod；17, movable valve plug tip cavity；18, oil-in；19, oil-feed annular groove；20, oil-out；21, movable valve plug
Sealing ring；22, oil ring groove is gone out；23, oil back chamber；24, 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 moving parts 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；Being provided with moving parts in valve body 1 the most along its length, this moving parts depends on
Sequence includes coaxial piston 9, fixed valve plug 5, push rod 16 and movable valve plug 3, and being provided with in this lining 12 can be along lining 12 length direction
The piston 9 moved back and forth, the circumferential lateral surface of this piston 9 is close to lining 12 inwall, and piston 9 is on one end of lining 12 bottom
Being provided with the first projection 14, piston 9, should near forming piston end cavity between one end and lining 12 bottom of lining 12 bottom
Piston 9 is back taper mesa-shaped near one end of lining 12 opening；It is positioned at lining 12 opening part on valve body 1 and is provided with mounting bracket 6, live
Plug 9 is provided above fixed valve plug 5, and this fixed valve plug 5 is fixedly installed in mounting bracket 6 away from one end of piston 9, is contained in shell 13
Interior guide pin bushing seat 11, guide pin bushing 10, piston 9, lining 12, coil component 8, fixed valve plug 5 and mounting bracket 6 constitute Electromagnetically actuated
Device, is provided with the ring shaped retainers 7 for keeping both gaps between piston 9 and fixed valve plug 5, the inner ring that this ring shaped retainers 7 is formed
Diameter is less than the piston 9 cross-sectional diameter in straight drum part, is formed and live between the piston 9 one end and fixed valve plug 5 in back taper mesa-shaped
Plug tip cavity 15；Push rod 16 is inserted through fixed valve plug 5 and ring shaped retainers 7 connects piston 9, and the cross-sectional diameter of this push rod 16 is less than
The annular diameters of ring shaped retainers 7；Push rod 16 connects the movable valve plug 3 that section is I type, push rod 16 and dynamic valve away from one end of piston 9
Core 3 is structure as a whole, and movable valve plug 3 connects and is provided with the second projection 4 on one end end face of push rod 16, this movable valve plug 3 cross section
The two ends that area is bigger are close to valve body 1 respectively and can move back and forth relative to valve body 1 along its length, fixed valve plug 5 away from
One end of piston 9 is connected with movable valve plug 3 between one end end face of push rod 16 and forms movable valve plug tip cavity 17, movable valve plug 3 away from
One end of push rod 16 forms movable valve plug sealing ring 21, forms dynamic valve between middle part and valve body 1 that movable valve plug 3 cross-sectional area is less
Core central cavity；The oil-feed annular groove 19 of the annular around movable valve plug 3 circumferential lateral surface, the company of being provided with in valve body 1 it is provided with in valve body 1
Logical oil-feed annular groove 19 and the oil-in 18 of movable valve plug 3 central cavity；Oil-feed annular groove 19 it is positioned at away from the one of fixed valve plug 5 in valve body 1
Be provided with annular on side goes out oil ring groove 22, and this goes out oil ring groove 22 and is surrounded on the circumferential lateral surface of movable valve plug 3 equally and is parallel to
Oil-feed annular groove 19, is provided with the oil-out 20 connecting out oil ring groove 22 with movable valve plug 3 central cavity in valve body 1；Movable valve plug 3 is positioned at
Form oil back chamber 23 between end face and the valve body 1 of movable valve plug sealing ring 21 one end, in this oil back chamber 23, be provided with connection movable valve plug 3
With the spring 2 of valve body 1, valve body 1 is additionally provided with connection oil back chamber 23 and extraneous spill port 24.
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 (3)
1. the moving parts 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 towards the other end of valve body, is the most also disposed with coaxial piston, determines valve in valve body
Core 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, it is protruding that piston is provided with first on one end of lining bottom；
Fixed valve plug is fixedly installed on lining opening part, is provided with the ring-type gear for keeping both gaps between fixed valve plug and piston
Circle, the inner ring diameter that this ring shaped retainers is formed is less than the cross-sectional diameter 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, formed oil passage, this movable valve plug
Connecting a push rod near one end of fixed valve plug, this push rod is inserted through fixed valve plug connection piston, this push rod away from one end of movable valve plug
Can move back and forth along its length relative to fixed valve plug, fixed valve plug is connected one end of push rod away from one end of piston with movable valve plug
Movable valve plug tip cavity is formed between end face；
Being additionally provided with oil channel structures in valve body, this oil channel structures includes the oil-feed annular groove being respectively communicated with movable valve plug central cavity and goes out
Oil ring groove, 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
With extraneous spill port.
2. the moving parts for oil pressure adjusting valve as claimed in claim 1, it is characterised in that movable valve plug and push rod are integrated
Structure.
3. the moving parts for oil pressure adjusting valve as claimed in claim 1, it is characterised in that movable valve plug connects the one of push rod
It is provided with second protruding on end end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620719352.7U CN205806636U (en) | 2016-07-09 | 2016-07-09 | A kind of moving parts for oil pressure adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620719352.7U CN205806636U (en) | 2016-07-09 | 2016-07-09 | A kind of moving parts for oil pressure adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205806636U true CN205806636U (en) | 2016-12-14 |
Family
ID=58141182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620719352.7U Active CN205806636U (en) | 2016-07-09 | 2016-07-09 | A kind of moving parts for oil pressure adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205806636U (en) |
-
2016
- 2016-07-09 CN CN201620719352.7U patent/CN205806636U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |