CN106286949A - A kind of electromagnetic valve controlling engine oil pressure - Google Patents
A kind of electromagnetic valve controlling engine oil pressure Download PDFInfo
- Publication number
- CN106286949A CN106286949A CN201610714961.8A CN201610714961A CN106286949A CN 106286949 A CN106286949 A CN 106286949A CN 201610714961 A CN201610714961 A CN 201610714961A CN 106286949 A CN106286949 A CN 106286949A
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- Prior art keywords
- oil
- needle
- hole
- inner groovy
- chamber
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
Abstract
The invention discloses a kind of electromagnetic valve controlling engine oil pressure, relate to a kind of control electromagnetic valve controlling lubricating oil pump output oil pressure, including valve body and shell, at this shell aperture, the mounting bracket through level connects valve body, and this mounting bracket is provided with centre bore；Being provided with fixed valve plug in the cavity that shell is formed, fixed valve plug is provided with the first inner groovy, this fixed valve plug outer sheath is provided with guide pin bushing；It is provided with flexible member in first inner groovy；Being arranged at the piston in the cavity that guide pin bushing is formed, this piston is connected to flexible member one end, and piston is provided with the 3rd inner groovy away from one end of fixed valve plug, is provided with the first through hole in piston；One needle interts into the 3rd inner groovy；Oil channel structures, this oil channel structures includes draining chamber, oil suction chamber, oil-feed valve seat and oil-in；Be arranged at outside guide pin bushing and inside shell between coil in the cavity that formed.It is too high that the present invention helps avoid lubricating oil pump output oil pressure, and makes lubricating oil pump maintain normal output oil pressure with minimum service load.
Description
Technical field
The present invention relates to a kind of control electromagnetic valve controlling lubricating oil pump output oil pressure, especially for engine oil pump
Engine oil pressure controls electromagnetic valve.
Background technology
For electromotor, too low engine oil pressure can cause lubrication to deteriorate and each hydraulic element cannot normal work
Make, and too high engine oil pressure can cause each junction of lubricating system the hidden danger of leakage of oil occur, on the other hand, too high oil pressure
Power makes lubricating oil pump be in high load capacity duty, and lubricating oil pump power attenuation is big, even results in the damage of fuel pump structure part time serious
It is bad, to this end, current engine technology generally uses controlled oil pressure control valve to be controlled the output oil pressure of lubricating oil pump.Machine oil
Electromagnetic pressure control valve is installed on the engine oil passage of electromotor, and in order to control the engine oil pressure of lubricating oil pump output, it is provided with
Oil-in, drain tap and the oil-out connected with control oil duct, according to the engine oil pressure being arranged on lubricating oil pump output circuit
Sensor signal, energising and the off-position of engine oil pressure control electromagnetic valve are controlled, drive valve by engine control system
Internal needle carries out axially-movable, controls the stop place of ball valve steel ball, thus controls oil-in, oil-out and drain tap
Connected state, the output oil pressure of lubricating oil pump is controlled at normal oil pressure level, it is to avoid the lubricating oil pump too high oil pressure of output, makes
Electromotor while obtaining good lubrication each hydraulic element manipulation normal, improve lubricating oil pump and the service behaviour of electromotor and
Functional reliability, reduces the power attenuation of lubricating oil pump, promotes engine power, reduces fuel oil consumption and exhaust emissions.Traditional
The needle of oil pressure cntrol electromagnetic valve and piston are solid construction, and the cavity of piston rear and front end is by between the coordinating of piston and guide pin bushing
Gap connects, and piston is little with the fit clearance of guide pin bushing, and the resistance of motion of piston is bigger；Secondly, traditional oil pressure cntrol electromagnetic valve
Steel ball is provided in the high pressure chest side of fuel feed hole, and pressure control valve overcomes oil pressure to act on the pressure on steel ball by electromagnetic force completely
Power opens fuel feed hole, and the fuel feed hole of oil pressure cntrol electromagnetic valve is set at engine oil pressure height and just opens to when arranging the limit
, in some cases, such as electromotor, when low temperature, because of engine oil viscosity, compared with making greatly, engine oil pressure is higher, engine oil pressure pickup warp
When crossing use one section, after date Plug contact state is deteriorated and causes pressure signal deviations etc., and the engine oil pressure of lubricating oil pump output is higher than oil
The unlatching oil pressure that pressure control valve sets, thus cause pressure control valve to open the bad potential faults even cannot opened.
Summary of the invention
For the deficiencies in the prior art, the purpose of the present invention aims to provide a kind of electromagnetic valve controlling engine oil pressure, helps
In avoiding, lubricating oil pump output oil pressure is too high, and makes lubricating oil pump maintain normal output oil pressure with minimum service load.
For achieving the above object, the present invention adopts the following technical scheme that
A kind of electromagnetic valve controlling engine oil pressure, including:
Valve body；
Shell, at this shell aperture, the mounting bracket through level connects valve body, and this mounting bracket is provided with centre bore；
Be arranged at shell formed cavity in fixed valve plug, this fixed valve plug be section be the round table-like of convex, this determines valve
Core includes base portion and core portion cylindrically, and the cross-sectional diameter of base portion is more than the cross-sectional diameter of core portion, core body
Being additionally provided with the connecting portion of column type on the top end face in portion, the cross-sectional diameter of this connecting portion is straight less than the cross section of core portion
Footpath, fixed valve plug is provided with the first inner groovy, and the opening part of this first inner groovy is positioned on the top end face of connecting portion, this base
The bottom in portion is connected to inside shell bottom, and this core portion outer sheath is provided with guide pin bushing, the cross-sectional diameter size coupling of this guide pin bushing
In the pore size of centre bore, this guide pin bushing one end is connected to the top of base portion, and the other end of this guide pin bushing is embedded through centre bore
On valve body；
Being arranged at the flexible member in the first inner groovy, the telescopic direction of this flexible member is parallel to the length side of guide pin bushing
To, one end of this flexible member is fixedly connected on the first inner groovy bottom；
Being arranged at the piston in the cavity that guide pin bushing is formed, this piston can move along the length direction of guide pin bushing relative to guide pin bushing,
This piston is matched with the second inner groovy of connecting portion towards formation on the bottom of fixed valve plug, and the bottom of this second inner groovy is connected to
Flexible member is provided with the 3rd inner groovy away from one end of the first inner groovy, piston away from one end of fixed valve plug, arranges in piston
There are connection the second inner groovy and the first through hole of the 3rd inner groovy；
Its length direction is parallel to the needle in guide pin bushing direction, and this needle includes needle-like portion and push rod portion cylindrically,
Be assigned in the push rod portion of the 3rd inner groovy intert into the 3rd inner groovy and thus with the 3rd inner groovy compact siro spinning technology, this needle
Needle-like portion be positioned at outside guide pin bushing；
Oil channel structures, this oil channel structures includes along the draining chamber that the length direction of needle is set in turn in valve body, oil-feed
Chamber, oil-feed valve seat and oil-in, draining chamber is arranged at guide pin bushing away from the valve body of the end of fixed valve plug, the company of being provided with in needle
Logical first through hole and the needle chamber in draining chamber, the outside in this draining chamber is provided with connection draining chamber and extraneous spill port, lets out
Oil pocket connects oil suction chamber through the coaxial oil leak hole in needle, and the pore size of this oil leak hole is matched with the size of needle needle-like portion；
One end of oil-feed valve seat is connected to oil suction chamber away from one end of oil leak hole, is formed coaxial in the oil-feed of needle in this oil-feed valve seat
Passage, this inlet valve seat surface is provided with coaxial in the fuel feed hole of needle on the end face of oil suction chamber, this fuel feed hole connection oil suction chamber
With oil inlet passage；Inlet valve seat surface is provided with at least 2 guiding of the circumferencial direction arrangement along level on the end face of oil suction chamber
Muscle, a steel ball is arranged in the cavity that these at least 2 guiding ribs are formed, and the diameter of this steel ball is more than oil leak hole and the hole of fuel feed hole
Footpath, the sphere center position of this steel ball is limited on the axis of needle and oil leak hole formation by guiding rib, and this steel ball can be in oil suction chamber
Carrying out axially-movable, what valve body was additionally provided with cincture oil suction chamber goes out oil ring groove, and oil suction chamber connects this through oil outlet and goes out oil ring groove,
Valve body goes out oil ring groove connection control oil duct through this；The oil inlet passage of oil-feed valve seat is positioned at inlet valve away from one end port of oil suction chamber
Seat is away from one end end face of oil suction chamber, and oil-feed valve seat connects oil-in, this axle away from one end of oil suction chamber through axial spacer pin
It is installed on valve body through installing hole to spacer pin；
Coil, this coil be arranged at outside guide pin bushing and inside shell between in the cavity that formed, this coil is along outside guide pin bushing
Carry out winding；When the coil is not energized, flexible member stretches naturally, and now the needle-like portion of needle stretches into oil leak hole and by steel ball
Push fuel feed hole to, so that oil leak hole turns on and fuel feed hole closedown；When the coil is energized, machine oil flows into from oil-in, live wire
The electromagnetic force that circle produces and the oil pressure thrust acted on steel ball overcome the elastic force of flexible member jointly, make piston and needle along court
Moving to the direction of fixed valve plug, steel ball moves to oil leak hole under engine oil pressure effect, so that oil leak hole is closed and fuel feed hole
Conducting, the machine oil flowing into oil suction chamber from fuel feed hole from oil outlet and goes out oil ring groove entrance control oil duct.
Preferably, bottom one antifreeze plate of the second inner groovy is connected to flexible member one end away from the first inner groovy,
Connection the first inner groovy and the groove of the first through hole it is provided with on this antifreeze plate.
Preferably, there is gap between push rod portion and the 3rd inner groovy bottom.
As a modification of the present invention, needle includes dismountable push rod portion and needle-like portion, interts into the 3rd inner groovy
Push rod portion in be provided with the second through hole that is coaxial with the first through hole and that connect, the side of piston end surface part is extended in this push rod portion
Being provided with third through-hole on wall, this second through hole forms the needle chamber being connected the first through hole with draining chamber with third through-hole, in ten
The needle-like portion of cabinet frame type is provided with the shaft shoulder at position, stage casing, and the one end into the second through hole is the most snugly interted in one end of needle-like portion
On, the shaft shoulder end face of needle-like portion is resisted against push rod portion on the end face of needle-like portion one end, and this needle-like portion is with the first through hole respectively
It is positioned at the both sides of third through-hole.
As a modification of the present invention, needle includes dismountable push rod portion and needle-like portion, hollow push away one end of the rod
Intert into the 3rd inner groovy, the sidewall in this push rod portion is provided with an opening extended along its length, this opening and hollow
Inner chamber form the needle chamber in connection the first through hole and draining chamber, the needle-like portion in cross-type is provided with the shaft shoulder at position, stage casing,
One end of needle-like portion the most snugly intert push rod portion one end on, the shaft shoulder end face of needle-like portion is resisted against push rod portion near pin
On the end face of one end, shape portion.
As a modification of the present invention, needle includes push rod portion and the needle-like portion being molded into one, and needle includes injection
The push rod portion being integrated and needle-like portion, intert and be provided with in the push rod portion of the 3rd inner groovy coaxial with the first through hole and connect
4th inner groovy, this push rod portion extends and is provided with fourth hole on the sidewall of piston end surface part, the 4th inner groovy and
Four through holes form the needle chamber connecting the first through hole with draining chamber.
As a modification of the present invention, needle includes push rod portion and needle-like portion, the push rod portion of hollow being molded into one
One end is interted into the 3rd inner groovy, and the sidewall in this push rod portion is provided with an opening extended along its length, this opening with
The inner chamber of hollow forms the needle chamber of connection the first through hole and draining chamber, and the needle-like portion one end in cross-type is interted into push rod portion
On one end away from the first through hole.
Further, the periphery of core portion top end face is provided with it is easy to the chamfering that guide pin bushing penetrates.
Further, include dismountable base portion and core portion in round table-like fixed valve plug, the cross section end in the form of a ring
Seat portion is close to inside outer casing bottom, and this base portion is provided with counterbore on one end of outer casing bottom, and one end of core portion is worn
Being inserted through this base portion and be connected on inside outer casing bottom, core portion is inserted through on one end of base portion to be provided with and is matched with counterbore
Peripheral outer lips.
Further, 4 guiding ribs of the circumferencial direction arrangement along level it are provided with in oil suction chamber.
Further, oil-feed valve seat sequentially passes through filter screen, filter screen back-up ring and axial limiting pin even away from one end of oil suction chamber
Tap into hydraulic fluid port.
Further, being provided with ring-like back-up ring between coil and mounting bracket, this ring-like back-up ring passes outside guide pin bushing and supports
It is connected to mounting bracket towards on the end face of shell.
The beneficial effects of the present invention is:
1) combine control system, when lubricating oil pump output oil pressure is relatively low, coil no power, flexible member by piston with
And steel ball is got lodged on fuel feed hole by the needle running through oil leak hole, oil leak hole is opened simultaneously, stop machine oil to flow into control from fuel feed hole
Liquefaction road, and the machine oil release that will be controlled in oil duct by oil outlet, oil leak hole, draining chamber and spill port, control system will
Oil-in fully opens, and makes lubricating oil pump full-load operation to improve output oil pressure；When lubricating oil pump output oil pressure reaches setting value,
Coil electricity, the electromagnetic force that hot-wire coil produces are overcome the elastic force of flexible member by control system, drive piston and needle toward leaning on
The direction of nearly fixed valve plug is moved, and the machine oil hydraulic in fuel feed hole pushes steel ball to oil leak hole from fuel feed hole, opens the same of fuel feed hole
Time by oil leak hole close, by oil outlet enter control oil duct hydraulic oil drive hydraulic control component, control system is by oil-in
Turn down, thus avoid that lubricating oil pump output oil pressure is too high, cause various accident, make lubricating oil pump remain normal with minimum service load
Output oil pressure, it is achieved the control to lubricating oil pump output oil pressure；
2) steel ball is arranged at the low pressure chamber side of fuel feed hole, effectively reduces the dependence to electromagnetic force, when lubricating oil pump output oil
Pressure reach setting value and electromagnet actuation mechanism because may continue to work when certain reason cannot normally work: the unlatching of flexible member
Power (flexible setpoint distance needs the elastic force overcome) is matched with the unlatching oil pressure (setting value) of fuel feed hole, and lubricating oil pump output oil pressure is high
Fuel feed hole in setting value opens oil pressure, and oil pressure acts on the opening force that the active force on steel ball sets, oil more than flexible member
The active force of pressure overcomes the elastic force of flexible member to be pushed open from fuel feed hole by steel ball, and hydraulic oil enters after oil suction chamber from fuel feed hole,
Reflux through oil leak hole, draining chamber and spill port again, thus suppress lubricating oil pump to export too high oil pressure；When the bullet overcoming flexible member
The oil pressure active force of power be enough to shift at oil leak hole and when being blocked steel ball onto, and the hydraulic oil in oil suction chamber is from oil outlet and goes out
Oil ring groove enters and controls oil duct, and the feedback information of hydraulic oil makes control system turn down the oil-in of lubricating oil pump, and then suppression machine oil
The oil pressure that pump output is too high.Realizing closing fuel feed hole when low oil pressure makes lubricating oil pump set up output oil pressure as early as possible, and in lubricating oil pump
When output oil pressure is too high, no matter electromagnet actuation mechanism the most normally works, and the control valve of the present invention can be to lubricating oil pump output oil
Pressure control effectively；
3) cavity at piston two ends is connected by groove, the first through hole and needle chamber on antifreeze plate, makes piston two ends empty
The pressure in chamber keeps balance, it is achieved minimizing of piston movement resistance；
4) antifreeze plate constitute a fixed thickness between piston and fixed valve plug every magnetic gap, make electromagnet actuation mechanism have
There is consistent and magnetic characteristic of breaking reliably.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of electromagnetic valve controlling engine oil pressure of the present invention；
Fig. 2 is the A direction view of Fig. 1；
Fig. 3 corresponds to the needle structure schematic diagram of embodiment 2；
Fig. 4 corresponds to the needle structure schematic diagram of embodiment 3；
Fig. 5 corresponds to the needle structure schematic diagram of embodiment 4；
Fig. 6 corresponds to the needle structure schematic diagram of embodiment 5；
Fig. 7 corresponds to the fixed valve plug structural representation of embodiment 6.
Reference: 1, valve body；2, shell；3, mounting bracket；41, base portion；411, counterbore；42, core portion；421, convex
Edge；43, connecting portion；44, the first inner groovy；5, flexible member；6, guide pin bushing；7, piston；71, the first through hole；72, the second indent
Groove；73, the 3rd inner groovy；8, needle；81, push rod portion；82, needle-like portion；83, needle chamber；831, the second through hole；832, threeway
Hole；833, the second opening；834, the 4th inner groovy；835, fourth hole；836, the first opening；9, draining chamber；91, oil leak hole；
10, oil suction chamber；101, oil outlet；102, fuel feed hole；11, oil-feed valve seat；111, oil inlet passage；12, oil-in；13, spill port；
14, guiding rib；15, steel ball；16, oil ring groove is gone out；17, oil duct is controlled；18, drainage screen；19, filter screen back-up ring；20, axial limiting
Pin；21, coil；22, ring-like back-up ring；23, antifreeze plate.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
Embodiment 1
As shown in Figure 1, Figure 2 and shown in Fig. 6, a kind of electromagnetic valve controlling engine oil pressure, including valve body 1 and shell 2, shell 2 is opened
At Kou, the mounting bracket 3 through level connects valve body 1, is provided with centre bore in the heart in this mounting bracket 3；The chamber that shell 2 is formed
Internal be provided with fixed valve plug, this fixed valve plug be section be the round table-like of convex, this fixed valve plug include base portion 41 with in cylinder
The core portion 42 of shape, the cross-sectional diameter of base portion 41 is more than the cross-sectional diameter of core portion 42, the top end face of core portion 42
On be additionally provided with the connecting portion 43 of column type, the cross-sectional diameter of this connecting portion 43 is less than the cross-sectional diameter of core portion 42, fixed
Being provided with the first inner groovy 44 on spool, the opening part of this first inner groovy 44 is positioned on the top end face of connecting portion 43, this end
The bottom in seat portion 41 is connected to inside shell 2 bottom, and this core portion 42 outer sheath is provided with guide pin bushing 6, this core portion 42 top end face
Periphery on be provided with and be easy to the chamfering that guide pin bushing 6 penetrates, the aperture that the cross-sectional diameter size of this guide pin bushing 6 is matched with centre bore is big
Little, this guide pin bushing 6 one end is connected to the top of base portion 41, and the other end of this guide pin bushing 6 is embedded on valve body 1 through centre bore；The
Being provided with flexible member 5 in one inner groovy 44, the telescopic direction of this flexible member 5 is parallel to the length direction of guide pin bushing 6, this elasticity
One end of element 5 is fixedly connected on the first inner groovy 44 bottom；Being provided with piston 7 in the cavity that guide pin bushing 6 is formed, this piston 7 can
Moving along the length direction of guide pin bushing 6 relative to guide pin bushing 6, this piston 7 is matched with connecting portion 43 towards formation on the bottom of fixed valve plug
The second inner groovy 72, the bottom of this second inner groovy 72 is provided with antifreeze plate 23, this antifreeze plate 23 is towards the end of fixed valve plug
Face is connected to flexible member 5 one end away from the first inner groovy 44 bottom, and this antifreeze plate 23 is constituted between piston 7 and fixed valve plug
One fixed thickness every magnetic gap, make electromagnet actuation mechanism have consistent and magnetic characteristic of breaking reliably, piston 7 is away from fixed valve plug
One end be provided with the 3rd inner groovy 73, be additionally provided with in piston 7 connection the second inner groovy 72 and the first of the 3rd inner groovy 73
Through hole 71, antifreeze plate 23 is provided with connection the first inner groovy 44 and groove of the first through hole 71；One length direction is parallel to lead
The needle 8 overlapping 6 directions includes needle-like portion 82 and push rod portion 81 cylindrically, is matched with the push rod portion 81 of the 3rd inner groovy 73
Intert into the 3rd inner groovy 73 and thus with the 3rd inner groovy 73 compact siro spinning technology, this push rod portion 81 and the 3rd inner groovy 73 end
Gap is there is, it is to avoid the depth offset of the 3rd inner groovy 73 affects the interspersed degree of depth of needle 8, the needle-like portion of this needle 8 between end
82 are positioned at outside guide pin bushing 6；In valve body 1, the length direction along needle 8 is disposed with draining chamber 9, oil suction chamber 10, oil-feed valve seat 11 and
Oil-in 12, draining chamber 9 is arranged at guide pin bushing 6 away from the valve body 1 of the end of fixed valve plug, is provided with connection first in needle 8
Through hole 71 and the needle chamber 83 in draining chamber 9, the outside in this draining chamber 9 is provided with connection draining chamber 9 and extraneous spill port 13,
Draining chamber 9 connects oil suction chamber 10 through the coaxial oil leak hole 91 in needle 8, and the pore size of this oil leak hole 91 is matched with needle 8 pin
The size in shape portion 82；The outside of oil-feed valve seat 11 and the oil-feed valve seat installing hole tight fit on valve body 1, the shoulder of oil-feed valve seat 11
On the bottom surface of the oil-feed valve seat installing hole that the conical surface is resisted against on valve body 1, thus realize the oil-feed valve seat 11 sealing in valve body 1 and
Location, one end of oil-feed valve seat 11 is connected on oil suction chamber 10 one end away from oil leak hole 91, is formed altogether in this oil-feed valve seat 11
Axle is in the oil inlet passage 111 of needle 8, and this oil-feed valve seat 11 is provided with coaxial entering in needle 8 on the end face of oil suction chamber 10
Oilhole 102, this fuel feed hole 102 connects oil suction chamber 10 and oil inlet passage 111；Oil-feed valve seat 11 sets on the end face of oil suction chamber 10
Being equipped with 4 guiding ribs 14 of the circumferencial direction arrangement along level, a steel ball 15 is arranged in the cavity that 4 guiding ribs 14 are formed,
The diameter of this steel ball 15 is more than oil leak hole 91 and the aperture of fuel feed hole 102, and these 4 guiding ribs 14 are by the sphere center position of this steel ball 15
Being limited on the axis of needle 8 and oil leak hole 91 formation, this steel ball 15 can be carried out axially between oil leak hole 91 and fuel feed hole 102
Motion, what valve body 1 was additionally provided with cincture oil suction chamber 10 goes out oil ring groove 16, and oil suction chamber 10 connects this through oil outlet 101 and goes out oil ring
Groove 16, valve body 1 goes out oil ring groove 16 connection control oil duct 17 through this；The oil inlet passage 111 of oil-feed valve seat 11 is away from oil suction chamber 10
One end port is positioned at oil-feed valve seat 11 away from one end end face of oil suction chamber 10, and oil-feed valve seat 11 depends on away from one end of oil suction chamber 10
Secondary connect oil-in 12 through drainage screen 18, filter screen back-up ring 19 and axial limiting pin 20, the valve body 1 both sides phase at oil-in 12
To being provided with two installing holes, the two ends of axial limiting pin 20 are separately fixed in the installing hole of correspondence, thus realize drainage screen
18 and the axially location of filter screen back-up ring 19 with fixing；It is provided with coil in the cavity formed between outside guide pin bushing 6 and inside shell 2
21, this coil 21 carries out winding outside guide pin bushing 6, is provided with ring-like back-up ring 22 between coil 21 and mounting bracket 3, this ring-like gear
Circle 22 is through outside guide pin bushing 6 and be connected to mounting bracket 3 towards on the end face of shell 2.
Wherein, shell 2, flexible member 5, fixed valve plug, guide pin bushing 6, coil 21, antifreeze plate 23, piston 7, needle 8, ring-like gear
Circle 22 and mounting bracket 3 etc. constitute electromagnet actuation mechanism.When coil 21 is not powered on, flexible member 5 naturally stretches and promotes work
Plug 7 and needle 8 move along the direction away from fixed valve plug, the needle-like portion 82 of needle 8 stretch into oil leak hole 91 and steel ball 15 is pushed to into
Oilhole 102 so that oil leak hole 91 turns on and fuel feed hole 102 is closed, control the machine oil in oil duct 17 by going out oil ring groove 16, going out
Oilhole 101, oil leak hole 91, draining chamber 9 and spill port 13 reflux, opening force (the flexible setpoint distance needs gram of flexible member 5
The elastic force of clothes) it is matched with the unlatching oil pressure (setting value) of fuel feed hole 102；When coil 21 is energized, machine oil flows into from oil-in 12,
The electromagnetic force that hot-wire coil 21 produces and the oil pressure thrust acted on steel ball 15 overcome the elastic force of flexible member 5 jointly, make to live
Plug 7 and needle 8 move along the direction towards fixed valve plug, and the needle-like portion 82 of needle 8 detaches from oil leak hole 91, and steel ball 15 is at oil pressure
Moving to oil leak hole 91 under power effect, so that oil leak hole 91 is closed and fuel feed hole 102 turns on, and flows into oil-feed from fuel feed hole 102
The machine oil in chamber 10 is from oil outlet 101 and goes out oil ring groove 16 entrance control oil duct 17.
In conjunction with control system, when lubricating oil pump output oil pressure is relatively low, coil 21 no power, the elastic stress of flexible member 5
By antifreeze plate 23, piston 7 and run through the needle 8 of oil leak hole 91 and steel ball 15 is got lodged on fuel feed hole 102, simultaneously by oil leak hole
91 open, stop machine oil from fuel feed hole 102 flow into control oil duct 17, and by oil outlet 101, oil leak hole 91, draining chamber 9 and
The machine oil release that spill port 13 will control in oil duct 17, oil-in 12 is fully opened by control system, makes lubricating oil pump full load work
Make to improve output oil pressure；When lubricating oil pump output oil pressure reaches setting value, coil 21 is energized by control system, hot-wire coil 21
The electromagnetic force produced overcomes the elastic force of flexible member 5, drives piston 7 to move toward the direction near fixed valve plug with needle 8, needle 8
Needle-like portion 82 detach from oil leak hole 91, the machine oil hydraulic in fuel feed hole 102 pushes steel ball 15 to oil leak hole from fuel feed hole 102
91, while opening fuel feed hole 102, oil leak hole 91 is closed, oil outlet 101 enter the hydraulic oil driving liquid controlling oil duct 17
Voltage-controlled element processed, oil-in 12 is turned down by control system, thus avoids lubricating oil pump output oil pressure too high, makes lubricating oil pump with minimum
Service load maintains normal output oil pressure, it is achieved the control to lubricating oil pump output oil pressure.In the mistake that piston 7 and needle 8 move
Cheng Zhong, the cavity at piston 7 two ends is connected by groove, the first through hole 71 and needle chamber 83 on antifreeze plate 23, makes piston 7 two ends
The pressure of cavity keeps balance, it is achieved minimizing of piston 7 resistance of motion.
When coil 21 parts cannot be energized generation electromagnetic force, lubricating oil pump output oil pressure is higher than the fuel feed hole 102 of setting value
Opening oil pressure, oil pressure acts on the opening force that the active force on steel ball 15 sets more than flexible member 5, and the active force of oil pressure overcomes
Steel ball 15 is pushed open by elastic force from fuel feed hole 102, hydraulic oil after fuel feed hole 102 enters oil suction chamber 10, then through oil leak hole 91, let out
Oil pocket 9 and spill port 13 reflux, thus suppress lubricating oil pump to export too high oil pressure；When the oil pressure active force overcoming elastic force be enough to by
When steel ball 15 is shifted onto at oil leak hole 91 and blocked, the hydraulic oil in oil suction chamber 10 is from oil outlet 101 and goes out oil ring groove 16 and enters
Entering to control oil duct 17, the feedback information of hydraulic oil makes control system turn down the oil-in 12 of lubricating oil pump, and then suppression lubricating oil pump is defeated
Go out too high oil pressure.Realizing closing fuel feed hole 102 when low oil pressure makes lubricating oil pump set up output oil pressure as early as possible, and defeated in lubricating oil pump
Fuel-displaced when pressing through high, no matter electromagnet actuation mechanism the most normally works, and the control valve of the present invention can be to lubricating oil pump output oil pressure
It control effectively.
Embodiment 2
As shown in Figures 1 and 3, the electromagnetic valve of the another kind of control engine oil pressure that the present embodiment provides is based on embodiment 1
Controlling the electromagnetic valve of engine oil pressure, wherein needle 8 includes dismountable push rod portion 81 and needle-like portion 82, interts into the 3rd inner groovy
Being provided with the second through hole 831 that is coaxial with the first through hole 71 and that connect in the push rod portion 81 of 73, piston 7 end is extended in push rod portion 81
Being provided with third through-hole 832 on the sidewall of face part, this second through hole 831 is formed with third through-hole 832 and is connected the first through hole 71
With the needle chamber 83 in draining chamber 9, the needle-like portion 82 in cross-type is provided with the shaft shoulder at position, stage casing, and one end of needle-like portion 82 is tightly
Snugly interting on one end of the second through hole 831, the shaft shoulder end face of needle-like portion 82 is resisted against push rod portion 81 near needle-like portion 82
On the end face of one end, this needle-like portion 82 and the first through hole 71 lay respectively at the both sides of third through-hole 832.
Embodiment 3
As shown in Fig. 1 and Fig. 4, the electromagnetic valve of the another kind of control engine oil pressure that the present embodiment provides is based on embodiment 1
Controlling the electromagnetic valve of engine oil pressure, wherein needle 8 includes dismountable push rod portion 81 and needle-like portion 82, the push rod portion 81 1 of hollow
End interts into the 3rd inner groovy 73, and the sidewall in this push rod portion 81 is provided with first opening 836 extended along its length,
This first opening 836 forms the needle chamber 83 connecting the first through hole 71 with draining chamber 9, the pin in cross-type with the inner chamber of hollow
Shape portion 82 is provided with the shaft shoulder at position, stage casing, one end of needle-like portion 82 the most snugly intert push rod portion 81 one end on, needle-like
The shaft shoulder end face in portion 82 is resisted against push rod portion 81 on the end face of needle-like portion 82 one end.
Embodiment 4
As shown in Figures 1 and 5, the electromagnetic valve of the another kind of control engine oil pressure that the present embodiment provides is based on embodiment 1
Controlling the electromagnetic valve of engine oil pressure, wherein needle 8 includes push rod portion 81 and needle-like portion 82, the push rod portion of hollow being molded into one
81 one end are interted into the 3rd inner groovy 73, and the sidewall in this push rod portion 81 is provided with second opening extended along its length
833, this second opening 833 forms the needle chamber 83 connecting the first through hole 71 with draining chamber 9 with the inner chamber of hollow.
Embodiment 5
As shown in Figure 1 and Figure 6, the electromagnetic valve of the another kind of control engine oil pressure that the present embodiment provides is based on embodiment 1
Controlling the electromagnetic valve of engine oil pressure, wherein needle 8 includes being molded into push rod portion 81 and the needle-like portion 82 of one, interts in the 3rd
Being provided with the 4th inner groovy 834 that is coaxial with the first through hole 71 and that connect in the push rod portion 81 of groove 73, this push rod portion 81 extends
Going out and be provided with fourth hole 835 on the sidewall of piston 7 end face part, the 4th inner groovy 834 is formed with fourth hole 835 and is connected
First through hole 71 and the needle chamber 83 in draining chamber 9.
Embodiment 6
As shown in Fig. 1 and Fig. 7, the electromagnetic valve of the another kind of control engine oil pressure that the present embodiment provides is based on embodiment 1
Control the electromagnetic valve of engine oil pressure, wherein include dismountable base portion 41 and core portion 42 in round table-like fixed valve plug, transversal
Face base portion 41 in the form of a ring is close to shell 2 bottom inside, and this base portion 41 is heavy towards being provided with on the one end bottom shell 2
Hole 411, one end of core portion 42 is inserted through this base portion 41 and is connected in shell 2 bottom inside, and core portion 42 is inserted through the end
The peripheral outer lips 421 being matched with counterbore 411 it is provided with on the one end in seat portion 41.
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 domain of the claims in the present invention
Within.
Claims (10)
1. the electromagnetic valve controlling engine oil pressure, it is characterised in that including:
Valve body；
Shell, at this shell aperture, the mounting bracket through level connects valve body, and this mounting bracket is provided with centre bore；
Be arranged at shell formed cavity in fixed valve plug, this fixed valve plug be section be the round table-like of convex, this fixed valve plug bag
Including base portion and core portion cylindrically, the cross-sectional diameter of base portion is more than the cross-sectional diameter of core portion, core portion
Being additionally provided with the connecting portion of column type on the end face of top, the cross-sectional diameter of this connecting portion is less than the cross-sectional diameter of core portion,
Being provided with the first inner groovy on fixed valve plug, the opening part of this first inner groovy is positioned on the top end face of connecting portion, this base portion
Bottom be connected to inside shell bottom, this core portion outer sheath is provided with guide pin bushing, and the cross-sectional diameter size of this guide pin bushing is matched with
The pore size of centre bore, this guide pin bushing one end is connected to the top of base portion, and the other end of this guide pin bushing is embedded at through centre bore
On valve body；
Being arranged at the flexible member in the first inner groovy, the telescopic direction of this flexible member is parallel to the length direction of guide pin bushing, should
One end of flexible member is fixedly connected on the first inner groovy bottom；
Being arranged at the piston in the cavity that guide pin bushing is formed, this piston can move along the length direction of guide pin bushing relative to guide pin bushing, and this is lived
Filling in and form the second inner groovy being matched with connecting portion on the bottom of fixed valve plug, the bottom of this second inner groovy is connected to elasticity
Element is provided with the 3rd inner groovy away from one end of the first inner groovy, piston away from one end of fixed valve plug, the company of being provided with in piston
Logical second inner groovy and the first through hole of the 3rd inner groovy；
Its length direction is parallel to the needle in guide pin bushing direction, and this needle includes needle-like portion and push rod portion cylindrically, is matched with
The push rod portion of the 3rd inner groovy intert into the 3rd inner groovy and thus with the 3rd inner groovy compact siro spinning technology, the pin of this needle
Shape portion is positioned at outside guide pin bushing；
Oil channel structures, this oil channel structures includes the draining chamber, the oil suction chamber that are set in turn in valve body along the length direction of needle, enters
Fuel tap seat and oil-in, draining chamber is arranged at guide pin bushing away from the valve body of the end of fixed valve plug, is provided with connection in needle
One through hole and the needle chamber in draining chamber, the outside in this draining chamber is provided with connection draining chamber and extraneous spill port, draining chamber
Connecting oil suction chamber through the coaxial oil leak hole in needle, the pore size of this oil leak hole is matched with the size of needle needle-like portion；Oil-feed
One end of valve seat is connected to oil suction chamber away from one end of oil leak hole, forms the coaxial oil-feed in needle and lead in this oil-feed valve seat
Road, this inlet valve seat surface is provided with coaxial in the fuel feed hole of needle on the end face of oil suction chamber, this fuel feed hole connection oil suction chamber with
Oil inlet passage；Inlet valve seat surface is provided with at least 2 guiding ribs of the circumferencial direction arrangement along level on the end face of oil suction chamber,
One steel ball is arranged in the cavity that these at least 2 guiding ribs are formed, and the diameter of this steel ball is more than oil leak hole and the aperture of fuel feed hole,
The sphere center position of this steel ball is limited on the axis of needle and oil leak hole formation by guiding rib, and this steel ball can be carried out in oil suction chamber
Axially-movable, what valve body was additionally provided with cincture oil suction chamber goes out oil ring groove, and oil suction chamber connects this through oil outlet and goes out oil ring groove, valve body
Oil ring groove connection control oil duct is gone out through this；It is remote that the oil inlet passage of oil-feed valve seat is positioned at oil-feed valve seat away from one end port of oil suction chamber
On one end end face of oil suction chamber, oil-feed valve seat connects oil-in away from one end of oil suction chamber through axial spacer pin, and this axially limits
Position pin is installed on valve body through installing hole；
Coil, this coil be arranged at outside guide pin bushing and inside shell between in the cavity that formed, this coil is carried out outside guide pin bushing
Winding；When the coil is not energized, flexible member stretches naturally, and now the needle-like portion of needle stretches into oil leak hole and pushed to by steel ball
Fuel feed hole, so that oil leak hole turns on and fuel feed hole closedown；When the coil is energized, machine oil flows into from oil-in, and hot-wire coil produces
Raw electromagnetic force and the oil pressure thrust acted on steel ball overcome the elastic force of flexible member jointly, make piston and needle along towards fixed
The direction of spool is moved, and steel ball moves to oil leak hole under engine oil pressure effect, so that oil leak hole is closed and fuel feed hole conducting,
The machine oil flowing into oil suction chamber from fuel feed hole from oil outlet and goes out oil ring groove entrance control oil duct.
2. the as claimed in claim 1 electromagnetic valve controlling engine oil pressure, it is characterised in that the bottom one of the second inner groovy every
Magnetic sheet is connected to flexible member one end away from the first inner groovy, this antifreeze plate is provided with connection the first inner groovy and first and leads to
The groove in hole.
3. the electromagnetic valve controlling engine oil pressure as claimed in claim 1, it is characterised in that push rod portion and the 3rd inner groovy bottom
Between there is gap.
4. the electromagnetic valve controlling engine oil pressure as claimed in claim 1, it is characterised in that needle includes dismountable push rod portion
With needle-like portion, interting and be provided with the second through hole that is coaxial with the first through hole and that connect in the push rod portion of the 3rd inner groovy, this pushes away
Bar portion extends and is provided with third through-hole on the sidewall of piston end surface part, and this second through hole is formed with third through-hole and is connected first
Through hole and the needle chamber in draining chamber, the needle-like portion in cross-type is provided with the shaft shoulder at position, stage casing, and one end of needle-like portion is tightly pasted
Interting with closing on one end of the second through hole, the shaft shoulder end face of needle-like portion is resisted against the push rod portion end face near needle-like portion one end
On, this needle-like portion and the first through hole lay respectively at the both sides of third through-hole.
5. the electromagnetic valve controlling engine oil pressure as claimed in claim 1, it is characterised in that needle includes dismountable push rod portion
With needle-like portion, the one end of the rod that pushes away of hollow is interted into the 3rd inner groovy, the sidewall in this push rod portion is provided with one square along its length
To the opening extended, this opening forms, with the inner chamber of hollow, the needle chamber connecting the first through hole with draining chamber, in cross-type
Needle-like portion is provided with the shaft shoulder at position, stage casing, one end of needle-like portion the most snugly intert push rod portion one end on, needle-like portion
Shaft shoulder end face is resisted against push rod portion on the end face of needle-like portion one end.
6. the electromagnetic valve controlling engine oil pressure as claimed in claim 1, it is characterised in that needle includes being molded into pushing away of one
Bar portion and needle-like portion, needle includes being molded into push rod portion and the needle-like portion of one, interts and sets in the push rod portion of the 3rd inner groovy
Being equipped with the 4th inner groovy that is coaxial with the first through hole and that connect, this push rod portion extends and is provided with on the sidewall of piston end surface part
Fourth hole, the 4th inner groovy forms the needle chamber being connected the first through hole with draining chamber with fourth hole.
7. the electromagnetic valve controlling engine oil pressure as claimed in claim 1, it is characterised in that needle includes being molded into pushing away of one
Bar portion and needle-like portion, the one end of the rod that pushes away of hollow is interted into the 3rd inner groovy, the sidewall in this push rod portion is provided with one long along it
The opening that degree direction extends, this opening forms, with the inner chamber of hollow, the needle chamber connecting the first through hole with draining chamber, in cross
Needle-like portion one end of type is interted on one end away from the first through hole, push rod portion.
8. the electromagnetic valve controlling engine oil pressure as claimed in claim 1, it is characterised in that including in round table-like fixed valve plug can
The base portion of dismounting and core portion, cross section base portion in the form of a ring is close to inside outer casing bottom, and this base portion is towards shell
Being provided with counterbore on one end of bottom, one end of core portion is inserted through this base portion and is connected on inside outer casing bottom, core body
Portion is inserted through on one end of base portion and is provided with the peripheral outer lips being matched with counterbore.
9. the electromagnetic valve controlling engine oil pressure as claimed in claim 1, it is characterised in that oil-feed valve seat is away from the one of oil suction chamber
End sequentially passes through filter screen, filter screen back-up ring and axial limiting pin and connects oil-in.
10. the electromagnetic valve controlling engine oil pressure as claimed in claim 1, it is characterised in that set between coil and mounting bracket
Being equipped with ring-like back-up ring, this ring-like back-up ring is through outside guide pin bushing and be connected to mounting bracket towards on the end face of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714961.8A CN106286949B (en) | 2016-08-24 | 2016-08-24 | A kind of magnetic valve for controlling engine oil pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714961.8A CN106286949B (en) | 2016-08-24 | 2016-08-24 | A kind of magnetic valve for controlling engine oil pressure |
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| Publication Number | Publication Date |
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| CN106286949A true CN106286949A (en) | 2017-01-04 |
| CN106286949B CN106286949B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610714961.8A Active CN106286949B (en) | 2016-08-24 | 2016-08-24 | A kind of magnetic valve for controlling engine oil pressure |
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| CN (1) | CN106286949B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109185446A (en) * | 2018-11-13 | 2019-01-11 | 安徽江淮汽车集团股份有限公司 | A kind of electromagnetic pressure control valve for automatic gear-box |
| CN115451316A (en) * | 2022-08-25 | 2022-12-09 | 常熟骏驰科技有限公司 | Metal diaphragm type oil return valve |
| CN115479147A (en) * | 2021-09-26 | 2022-12-16 | 广东骏驰科技股份有限公司 | Oil way control valve |
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| CN103410620A (en) * | 2013-07-31 | 2013-11-27 | 瑞立集团瑞安汽车零部件有限公司 | Pressure regulating solenoid valve |
| CN103791101A (en) * | 2012-11-02 | 2014-05-14 | 宁波开灵气动元件制造有限公司 | Pilot type anti-corrosion electromagnetic valve |
| EP2813728A1 (en) * | 2013-06-14 | 2014-12-17 | Rausch & Pausch GmbH | Piston slide valve |
| DE102013223765A1 (en) * | 2013-11-21 | 2015-05-21 | Robert Bosch Gmbh | Electrically switchable hydraulic component |
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| CN103791101A (en) * | 2012-11-02 | 2014-05-14 | 宁波开灵气动元件制造有限公司 | Pilot type anti-corrosion electromagnetic valve |
| EP2813728A1 (en) * | 2013-06-14 | 2014-12-17 | Rausch & Pausch GmbH | Piston slide valve |
| CN103410620A (en) * | 2013-07-31 | 2013-11-27 | 瑞立集团瑞安汽车零部件有限公司 | Pressure regulating solenoid valve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109185446A (en) * | 2018-11-13 | 2019-01-11 | 安徽江淮汽车集团股份有限公司 | A kind of electromagnetic pressure control valve for automatic gear-box |
| CN115479147A (en) * | 2021-09-26 | 2022-12-16 | 广东骏驰科技股份有限公司 | Oil way control valve |
| CN115479147B (en) * | 2021-09-26 | 2024-04-05 | 广东骏驰科技股份有限公司 | Oil way control valve |
| CN115451316A (en) * | 2022-08-25 | 2022-12-09 | 常熟骏驰科技有限公司 | Metal diaphragm type oil return valve |
| CN115451316B (en) * | 2022-08-25 | 2023-11-21 | 常熟骏驰科技有限公司 | Metal diaphragm type oil return valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106286949B (en) | 2017-11-10 |
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Denomination of invention: An electromagnetic valve for controlling oil pressure Effective date of registration: 20230313 Granted publication date: 20171110 Pledgee: Bank of China Limited Changshu branch Pledgor: CHANGSHU JUNCHI SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2023980034699 |