CN206017953U - A kind of electromagnetic actuation structure for pressure-regulating valve - Google Patents
A kind of electromagnetic actuation structure for pressure-regulating valve Download PDFInfo
- Publication number
- CN206017953U CN206017953U CN201620749117.4U CN201620749117U CN206017953U CN 206017953 U CN206017953 U CN 206017953U CN 201620749117 U CN201620749117 U CN 201620749117U CN 206017953 U CN206017953 U CN 206017953U
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- piston
- guide pin
- pin bushing
- valve plug
- valve body
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Abstract
The utility model discloses a kind of electromagnetic actuation structure for pressure-regulating valve, it is related to the technical field of plant equipment, including valve body, shell is provided with the bottom of valve body, inside the shell is provided with the guide pin bushing extended along body length direction, coil is arranged with the outside of the guide pin bushing, the one guide pin bushing seat for being used for guide pin bushing to be constrained on the shaft core position of valve body is connected to coil end face, is sheathed on the outside of guide pin bushing, it is close to outer casing inner wall on the outside of the guide pin bushing seat, guide pin bushing consists of the additional magnetic circuit for leading to shell guide pin bushing seat；Piston, fixed valve plug and movable valve plug are also disposed with valve body, and wherein piston is arranged in piston bushing；Movable valve plug connects a push rod near one end of piston, and the push rod is inserted through fixed valve plug away from one end of movable valve plug and is connected on piston；Oil channel structures are additionally provided with valve body, and movable valve plug is away from the spring for being provided with connection movable valve plug and valve body between one end end face and valve body of piston.The utility model improves the electromagnetic performance of electromagnetic actuators.
Description
Technical field
The utility model is related to the technical field of plant equipment, and in particular to a kind of for the Electromagnetically actuated of pressure-regulating valve
Structure.
Background technology
Oil pressure adjusting valve is installed on the engine oil passage of engine, for adjusting what lubricating oil pump was exported to hydraulic element
Engine oil pressure.Oil pressure adjusting valve is provided with oil-in, oil-out and oil return opening, is believed according to the control that engine control system sends
Number carry out the electromagnetic force size of precise control electromagnetic actuators, drive the movable valve plug in body cavity to carry out axially-movable, adjust into
The connected state of hydraulic fluid port, oil-out and oil return opening, so as to the output oil pressure of lubricating oil pump is adjusted to target oil pressure, improves machine oil
Pump and the service behaviour and functional reliability of hydraulic element, reduce the power attenuation of lubricating oil pump, lift engine power, drop
Low burn oil consumption and exhaust emissions.Hydraulic element carries out real-time dynamic control according to the Operation Conditions of engine, starts
The change of machine Operation Conditions can cause the fluctuation of lubricating oil pump output oil pressure, the dynamic response performance of oil pressure adjusting valve to have 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.
Traditional oil pressure adjusting valve needs to bore by application valve body hole depth, movable valve plug length, push rod length and fixed valve plug
The dimension chain that the axial length dimension of hole seam is constituted is controlling piston with fixed valve plug every magnetic gap, the requirement to craft precision
Higher, manufacture difficulty is big, and big every magnetic gap deviation, the response performance uniformity of oil pressure adjusting valve is poor.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model aims to provide a kind of electromagnetism for pressure-regulating valve and causes
Dynamic structure, improves the electromagnetic performance of electromagnetic actuators.
For achieving the above object, the utility model is adopted the following technical scheme that：
A kind of electromagnetic actuation structure for pressure-regulating valve, including valve body, is provided with shell, shell on the bottom of valve body
The guide pin bushing extended along body length direction is inside provided with, on the outside of the guide pin bushing, coil is arranged with, one is used for being constrained in guide pin bushing
Guide pin bushing seat on the shaft core position of valve body is connected to coil end face, is sheathed on the outside of guide pin bushing, is close on the outside of the guide pin bushing seat
In outer casing inner wall, guide pin bushing consists of the additional magnetic circuit for leading to shell guide pin bushing seat；
One piston bushing is sheathed in guide pin bushing, is also disposed with coaxial piston along its length, determines valve in valve body
Core and movable valve plug, wherein piston are arranged in piston bushing；It is located on valve body at piston bushing opening and is provided with mounting bracket, fixed
The stepped change in the cross section of valve element, the fixed valve plug are embedded in mounting bracket away from the bottom of piston, the axle of the fixed valve plug
Shoulder end face is connected to the open end of piston bushing；Movable valve plug connects a push rod near one end of piston, and the push rod is away from dynamic valve
One end of core is inserted through fixed valve plug and is connected on piston；
Oil channel structures are additionally provided with valve body；Movable valve plug forms oil back chamber away between one end end face and valve body of piston,
The spring of connection movable valve plug and valve body is provided with the oil back chamber, is additionally provided with the oil return of connection oil back chamber and the external world on valve body
Hole.
As a kind of improvement of the present utility model, it is provided between piston and fixed valve plug every magnetic back-up ring, should be every magnetic back-up ring shape
Into inner ring diameter less than piston cross-sectional diameter.
Improve as another kind of the present utility model, guide pin bushing and guide pin bushing seat are structure as a whole.
The beneficial effects of the utility model are：Cased guide pin bushing seat, guide pin bushing, piston, bushing, coil, determine valve
Core and mounting bracket constitute electromagnetic actuators, and guide pin bushing consists of the additional magnetic circuit for leading to shell, increases magnetic circuit guide pin bushing seat
Section, reduces the magnetic resistance of magnetic circuit, improves the electromagnetic performance of electromagnetic actuators, so as to realize carrying for the response performance of oil pressure adjusting valve
Rise；It is provided between piston and fixed valve plug every magnetic back-up ring, makes the minimum clearance between piston and fixed valve plug keep constant, realize electricity
Uniformity of the magnetic actuator every magnetic characteristic.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Reference：1st, valve body；2nd, spring；3rd, movable valve plug；4th, push rod；5th, fixed valve plug；6th, mounting bracket；7th, keep off every magnetic
Circle；8th, coil；9th, piston；10th, guide pin bushing；11st, guide pin bushing seat；12nd, bushing；13rd, shell；14th, c-type inner groovy；15th, piston end is empty
Chamber；16th, piston tip cavity；17th, groove；18th, movable valve plug tip cavity；19th, oil-in；20th, enter oil ring groove；21st, oil-out；
22nd, movable valve plug sealing ring；23rd, go out oil ring groove；24th, oil back chamber；25th, spill port.
Specific embodiment
Below, in conjunction with accompanying drawing and specific embodiment, the utility model is described further：
As shown in figure 1, a kind of electromagnetic actuation structure for pressure-regulating valve, including valve body 1, sets on the bottom of valve body 1
Shell 13 is equipped with, the guide pin bushing seat 11 of ring-type in shell 13, is provided with, 13 inwall of shell is close in the outside of the guide pin bushing seat 11, and one leads
Set 10 is inserted through guide pin bushing seat 11 and is arranged in shell 13, and the guide pin bushing seat 11 is used for the shaft core position that guide pin bushing 10 is constrained in valve body 1
On, on the end face of coil 8 is connected to guide pin bushing seat 11 and is set around on the outside of guide pin bushing 10, guide pin bushing 10 is consisted of guide pin bushing seat 11 and is led to
The additional magnetic circuit of shell 13；One bushing 12 is sheathed in guide pin bushing 10, and the opening of the bushing 12 is towards valve body 1 away from the one of shell 13
End, the bottom of the bushing 12 is provided with c-type inner groovy 14；Moving parts are provided with along its length also in valve body 1, the motion
Component sequentially includes coaxial piston 9, fixed valve plug 5, push rod 4 and movable valve plug 3, and being provided with the bushing 12 can be along 12 length of bushing
The piston 9 that direction moves back and forth, the circumferential lateral surface of the piston 9 are close to 12 inwall of bushing, piston 9 near 12 bottom of bushing
Piston end cavity 15 is formed between end and 12 bottom of bushing, and the piston 9 is in back taper mesa-shaped near one end that bushing 12 is open；Valve
It is located on body 1 at 12 opening of bushing and is provided with mounting bracket 6, above piston 9, be provided with fixed valve plug 5, the cross section of fixed valve plug 5 is in
Stepped change, the fixed valve plug 5 are embedded in mounting bracket 6 away from the bottom of piston 9, and the shaft shoulder end face of the fixed valve plug 5 is abutted
In the open end of bushing 12, be mounted in guide pin bushing seat 11 in shell 13, guide pin bushing 10, piston 9, bushing 12, coil 8, fixed valve plug 5 with
And mounting bracket 6 constitute electromagnetic actuators, be provided between piston 9 and fixed valve plug 5 for keep both gaps every magnetic back-up ring
7, should be in the cross-sectional diameter of straight drum part less than piston 9 every the inner ring diameter that magnetic back-up ring 7 is formed, piston 9 is in back taper mesa-shaped
Piston tip cavity 16 is formed between one end and fixed valve plug 5；One push rod 4 is inserted through fixed valve plug 5 and connects piston 9 every magnetic back-up ring 7,
The cross-sectional diameter of the push rod 4 is additionally provided with the side of push rod 4 for connection the 3rd less than the annular diameters every magnetic back-up ring 7
Through hole and extraneous groove 17；Push rod 4 connects movable valve plug 3 of the section in I types away from one end of piston 9, transversal on the movable valve plug 3
Area larger two ends in face are close to valve body 1 respectively and can be moved back and forth relative to valve body 1 along its length, and fixed valve plug 5 is remote
Form movable valve plug tip cavity 18 between one end end face of one end of piston 9 and the connection push rod 4 of movable valve plug 3, movable valve plug 3 away from
One end of push rod 4 forms movable valve plug sealing ring 22, forms dynamic valve between the less middle part of 3 cross-sectional area of movable valve plug and valve body 1
Core central cavity；Be provided with the annular around 3 circumferential lateral surface of movable valve plug in valve body 1 enters oil ring groove 20, and this enters oil ring groove 20
Bearing of trend of the end face place plane perpendicular to fourth hole, is provided with valve body 1 and connects in the middle part of oil ring groove 20 and movable valve plug 3
The oil-in 19 of cavity, oil-in 19 in sector, the rectangular shape of the radially projecting of the oil-in 19, the overflow section of oil-in 19
Product and the linear proportionate relationship of axial height；It is located on the side into oil ring groove 20 away from fixed valve plug 5 in valve body 1 and is provided with annular
Go out oil ring groove 23, this goes out oil ring groove 23 and is equally surrounded on the circumferential lateral surface of movable valve plug 3 and parallel to entering oil ring groove 20, valve
The oil-out 21 for connecting out oil ring groove 23 and 3 central cavity of movable valve plug is provided with body 1, and oil-out 21 is in sector, the oil-out
21 are matched with movable valve plug sealing ring 22, the rectangular shape of the radially projecting of the oil-out 21, the overflow section product of oil-out 21 and axle
To the linear proportionate relationship of height, oil-out 21 is located at oil-in 19 on the same side of movable valve plug 3；Movable valve plug 3 is located at dynamic valve
Oil back chamber 24 is formed between the end face and valve body 1 of 22 one end of core sealing ring, in the oil back chamber 24, connection movable valve plug 3 and valve is provided with
The spring 2 of body 1, is additionally provided with connection oil back chamber 24 and extraneous spill port 25 on valve body 1.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
Corresponding change and deformation, and all these change and deformation should all belong to the protection of the utility model claim
Within the scope of.
Claims (3)
1. a kind of electromagnetic actuation structure for pressure-regulating valve, it is characterised in that including valve body, be provided with the bottom of valve body
Shell, inside the shell are provided with the guide pin bushing extended along body length direction, are arranged with coil on the outside of the guide pin bushing, and one for will lead
The guide pin bushing seat that set is constrained on the shaft core position of valve body is connected to coil end face, is sheathed on the outside of guide pin bushing, the guide pin bushing seat
Outer casing inner wall is close in outside, and guide pin bushing consists of the additional magnetic circuit for leading to shell guide pin bushing seat；
One piston bushing is sheathed in guide pin bushing, be also disposed with valve body along its length coaxial piston, fixed valve plug and
Movable valve plug, wherein piston are arranged in piston bushing；It is located on valve body at piston bushing opening and is provided with mounting bracket, fixed valve plug
The stepped change in cross section, the fixed valve plug is embedded in mounting bracket away from the bottom of piston, the shaft shoulder end of the fixed valve plug
Face is connected to the open end of piston bushing；Movable valve plug connects a push rod near one end of piston, and the push rod is away from movable valve plug
One end is inserted through fixed valve plug and is connected on piston；
Movable valve plug away between one end end face and valve body of piston formed oil back chamber, be provided with the oil back chamber connection movable valve plug with
The spring of valve body.
2. the as claimed in claim 1 electromagnetic actuation structure for being used for pressure-regulating valve, it is characterised in that piston and fixed valve plug it
Between be provided with every magnetic back-up ring, should every magnetic back-up ring formed inner ring diameter less than piston cross-sectional diameter.
3. the electromagnetic actuation structure of pressure-regulating valve is used for as claimed in claim 1, it is characterised in that guide pin bushing and guide pin bushing seat are
Integrative-structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620749117.4U CN206017953U (en) | 2016-07-15 | 2016-07-15 | A kind of electromagnetic actuation structure for pressure-regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620749117.4U CN206017953U (en) | 2016-07-15 | 2016-07-15 | A kind of electromagnetic actuation structure for pressure-regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017953U true CN206017953U (en) | 2017-03-15 |
Family
ID=58243870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620749117.4U Active CN206017953U (en) | 2016-07-15 | 2016-07-15 | A kind of electromagnetic actuation structure for pressure-regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237108A (en) * | 2018-10-31 | 2019-01-18 | 安徽环名精控有限公司 | A kind of solenoid electric valve for engine piston cooling system |
| CN109313458A (en) * | 2017-02-13 | 2019-02-05 | 德国普鲁士金切技术有限公司 | Thermostat mixing valve |
-
2016
- 2016-07-15 CN CN201620749117.4U patent/CN206017953U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109313458A (en) * | 2017-02-13 | 2019-02-05 | 德国普鲁士金切技术有限公司 | Thermostat mixing valve |
| CN109237108A (en) * | 2018-10-31 | 2019-01-18 | 安徽环名精控有限公司 | A kind of solenoid electric valve for engine piston cooling system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |