CN106939807A - A kind of middle locking Formula V VT OCV Oil Control Valves - Google Patents
A kind of middle locking Formula V VT OCV Oil Control Valves Download PDFInfo
- Publication number
- CN106939807A CN106939807A CN201710334963.9A CN201710334963A CN106939807A CN 106939807 A CN106939807 A CN 106939807A CN 201710334963 A CN201710334963 A CN 201710334963A CN 106939807 A CN106939807 A CN 106939807A
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- Prior art keywords
- oil
- bolt
- oilhole
- valve
- valve pocket
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/3442—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/34423—Details relating to the hydraulic feeding circuit
- F01L2001/34426—Oil control valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Check Valves (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The invention discloses a kind of middle locking Formula V VT OCV Oil Control Valves, including the body of bolt, valve pocket and valve element, the first check valve composition is provided with the oil inlet of the body of bolt, at least three groups oil ducts are provided with the body of bolt, it is axially distributed on the valve pocket to have at least five groups oil ducts, oil inlet and oil-out on the body of bolt are connected with least three groups oil ducts on the body of bolt respectively by least five groups oil ducts on valve pocket, in at least three groups oil ducts on the body of bolt, at least one group oil duct is used to unlock the lock pin pin jack-up of phaser rotor blade by lock pin rotor oil duct.The present invention can carry out delayed regulation, so as to meet engine Atkinson cycle to the requirement with larger delayed phase angle on the basis of the VVT system air inlet phases of start operating performance.VVT systems have bigger angle adjustable scope, so as to preferably meet engine performance to phase-adjusted demand.
Description
Technical field
The present invention relates to the phase-adjusted medium lock of the variable cam timing system in engine variable cam timing system
Only formula OCV Oil Control Valve.
Background technology
With the fast development of auto industry, the contradiction of petroleum resources shortage, the importance of energy-conservation and urgent
Property increasingly display, how to save the energy and reduce the side effect of greenhouse effects that is produced during the consumption energy, reduce automobile
Fuel consumption seems into auto-maker and user institute questions of common interest.And VVT is to improve
Fuel economy reduces the effective means of engine emission.So the innovation of VVT, which will be one, is worth research
Developing direction.
At present, the scheme adjusted before engine variable cam timing system is mainly unlocked using air inlet phase, VVT passes through one
Determine in scope（0~60 °C of A）Engine valve timing is adjusted, meets dense to air-fuel mixture amount and gaseous mixture under Different Work Condition of Engine
The demand of degree.Air inlet VVT is fixed on most lag position when engine is started, and to take into account the starting performance of engine, its is adjustable
Angle is limited by motor starting characteristic, and lag angle can not be designed to too big.Lag angle is excessive, motor starting characteristic
Difference, starting process deterioration of emission.But the technical requirements VVT systems such as engine Atkinson cycle have larger lag angle,
This less shortcoming of VVT air inlet lag angles is set to become more and more prominent.
The content of the invention
It is an object of the invention to：For above-mentioned problem startup performance of engine is taken into account there is provided one kind and larger
The solution of lag angle, so as to optimize the middle locking Formula V VT OCV Oil Control Valves of engine performance.
The technical proposal of the invention is realized in this way：A kind of middle locking Formula V VT OCV Oil Control Valves, including the body of bolt,
The valve pocket being arranged in body of bolt endoporus and the valve element being arranged in valve pocket endoporus, the valve element can be slided in valve pocket endoporus,
The first check valve composition is provided with the oil inlet of the body of bolt, it is characterised in that：Be provided with the body of bolt to
Few three groups of oil ducts, every group of oil duct at least one oilhole is axially distributed on the valve pocket to have at least five groups oil ducts, every group of oil
Oil inlet and oil-out on road at least one oilhole in a circumferential direction, the body of bolt pass through at least five groups on valve pocket
Oil duct is connected with least three groups oil ducts on the body of bolt respectively, at least three groups oil ducts on the body of bolt, at least one group
Oil duct is used to unlock the lock pin pin jack-up of phaser rotor blade by lock pin rotor oil duct, and at least one group oil duct leads to
Cross A chamber rotor oil ducts to connect with the A chambers of phaser rotor blade, at least one group oil duct passes through B chamber rotor oil ducts and phaser
The B chambers connection of rotor blade, the lock pin rotor oil duct, A chamber rotor oil ducts and B chamber rotor oil ducts are separate, when initial,
Phaser rotor blade locking in the middle of phaser housing oil pocket by lock pin pin.
Oil duct on middle locking Formula V VT OCV Oil Control Valves of the present invention, its described body of bolt is three groups, is respectively
Oil duct on lock pin oilhole, A chambers oilhole and B chamber oilholes, the valve pocket is five groups, respectively the first oilhole, the second oilhole, unidirectional
Valve oil outlet, check valve fuel feed hole and the 5th oilhole, first oilhole and check valve fuel feed hole are communicated with oil inlet respectively, institute
State the 5th oilhole to communicate with the A chamber oilholes on the body of bolt, second oilhole and the B chamber oilhole phases on the body of bolt
Logical, the check valve oil outlet is communicated with the lock pin oilhole on the body of bolt, and the valve element, can be by the valve pocket by sliding
On the first oilhole be connected with the second oilhole connection or block, the check valve oil outlet on the valve pocket can also be entered with check valve
Oilhole connection is connected or blocked, and the first oilhole on the valve pocket can be also connected to connection with the 5th oilhole or blocked, the lock
Pin oilhole is connected with lock pin rotor oil duct, and the A chambers oilhole is connected with A chamber rotor oil ducts, the B chambers oilhole and B chambers rotor oil
Road is connected.
Middle locking Formula V VT OCV Oil Control Valves of the present invention, it is provided with unidirectional valve pool in the valve pocket, in institute
State and the second check valve is provided with unidirectional valve pool, second check valve realizes one-way flow in circle structure by radial tension
Function, the check valve fuel feed hole reversed arrangement overlapped on position and valve pocket of second check valve.
Middle locking Formula V VT OCV Oil Control Valves of the present invention, it is in the body of bolt, it is stifled to be provided with oil-out
Drain tap is provided with head, the plug, precompressed mechanism is provided between the plug and valve pocket, the precompressed mechanism includes
Pre-compressed spring and pre-compressed spring seat, the pre-compressed spring give pre-compressed spring one returning place force of seat all the time.
Middle locking Formula V VT OCV Oil Control Valves of the present invention, it is provided with use at the oil-out of the body of bolt
In the body of bolt stepped hole for installing plug, the plug first step for limiting valve element axial displacement is provided with the plug
And for limiting the plug second step of pre-compressed spring seat axial displacement.
Middle locking Formula V VT OCV Oil Control Valves of the present invention, its pre-compressed spring cover for seat is connected on the periphery of valve element,
The pre-compressed spring seat is made up of spring rib and guide pin bushing, and the pre-compressed spring is arranged on the spring rib and valve of pre-compressed spring seat
Between the valve pocket first step hole of set, spring rib and valve pocket the first step hole is used for the axial direction shifting for limiting pre-compressed spring
Dynamic, the cylindrical contact of the guide pin bushing and valve element of the pre-compressed spring seat is spacing, and pre-compressed spring is play the guiding role.
Middle locking Formula V VT OCV Oil Control Valves of the present invention, it is provided with locating rod in the plugged end, in institute
State valve pocket end and be provided with locating slot with the locating rod corresponding matching, by the cooperation of locating rod and locating slot, to limit
The rotation of valve pocket.
The present invention compared with prior art, has the advantages that：The present invention enters gas phase in the VVT systems of start operating performance
On the basis of position, delayed regulation can be carried out, so as to meet engine Atkinson cycle to being wanted with larger delayed phase angle
Ask.VVT systems have bigger angle adjustable scope, so as to preferably meet engine performance to phase-adjusted need
Ask.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2,3 and 4 are the structural representations of valve pocket in the present invention.
Fig. 5 is the structural representation of the body of bolt in the present invention.
Fig. 6 is the structural representation of the second check valve in the present invention.
Fig. 7 is the structural representation of plug in the present invention.
Fig. 8 and 9 is the structural representation of pre-compressed spring seat in the present invention.
Figure 10 and 11 is the regulation schematic diagram of OCV Oil Control Valve of the present invention.
Reference：1 is valve element, and 2 be plug, and 3 be pre-compressed spring, and 4 be the body of bolt, and 5 be the 3rd connection oil duct, and 6 be valve
Set, 7 be elastic washer, and 8 be check valve body, and 9 be collection chamber, and 10 be filter screen, and 11 be one-way valve seat, and 12 be spring base, and 13 be single
To valve steel ball, 14 be one-way valve spring, and 15 be the second check valve, and 16 be back-moving spring, and 17 be the first connection oil duct, and 18 be precompressed
Spring base, 19 be locating slot, and 20 be valve pocket first step hole, and 21 be the first oilhole, and 22 be the second oilhole, and 23 be that check valve is fuel-displaced
Hole, 24 be check valve fuel feed hole, and 25 be valve pocket second step hole, and 26 be unidirectional valve pool, and 27 be the first oil groove, and 28 be the 5th oil
Hole, 29 be the second oil groove, and 30 be the 3rd oil groove, and 31 be the 4th oil groove, and 32 be body of bolt stepped hole, and 33 be lock pin oilhole, and 34 are
Body of bolt step, 35 be B chamber oilholes, and 36 be A chamber oilholes, and 37 and 38 be the both ends that the second check valve overlaps position, and 39 be to let out
Hydraulic fluid port, 40 be plug first step, and 41 be plug second step, and 42 be positioning boss, and 43 be spring rib, and 44 be guide pin bushing, 45
It is A chambers for lock pin pin, 46,47 be phaser rotor blade, and 48 be that B chambers 48,49 are B chamber rotor oil ducts, and 50 be A chambers rotor oil
Road, 51 be lock pin rotor oil duct, and 52 be oil-out, and 53 be oil inlet.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in detail.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in figs 1-9, a kind of middle locking Formula V VT OCV Oil Control Valves, including the body of bolt 4, it is arranged on the endoporus of the body of bolt 4
In valve pocket 6 and the valve element 1 that is arranged in the endoporus of valve pocket 6, the body of bolt is used to connect camshaft, the body of bolt endoporus
In step completely through the valve pocket is overall structure, and the valve pocket can be processed into by aluminium alloy, also can be by plastic injection system
Into material described in the present embodiment and technology mode are example, other other materials that can realize this shape and structure and technique side
Formula is equally applicable, and the valve element 1 can be slided in the endoporus of valve pocket 6, and the valve pocket 6 coordinates with the body of bolt 4 for gap, so as to eliminate
The body of bolt 4 deforms the influence to valve pocket 6 in rundown process is installed, to ensure slip of the valve element 1 in the endoporus of valve pocket 6 flexibly,
The first check valve composition is provided with the oil inlet 53 of the body of bolt 4, at least three groups oil are provided with the body of bolt 4
Road, every group of oil duct at least one oilhole is made up of the valve pocket 6 is provided circumferentially about, every group of oil groove group at least four groups oil grooves
Axially distributed on the valve pocket 6 to have an at least five groups oil ducts at least one oil groove, every group of oil duct is in a circumferential direction extremely
Oil inlet 53 and oil-out 52 on a rare oilhole, the body of bolt 4 are by least five groups oil ducts on valve pocket 6 and at least
Four groups of oil grooves are connected with least three groups oil ducts on the body of bolt 4 respectively, at least three groups oil ducts on the body of bolt 4, at least
There is one group of oil duct to be used to unlock the jack-up of lock pin pin 45 of phaser rotor blade 47 by lock pin rotor oil duct 51, at least
There is one group of oil duct to be connected by A chamber rotors oil duct 50 with the A chambers 46 of phaser rotor blade 47, at least one group oil duct passes through B
Chamber rotor oil duct 49 is connected with the B chambers 48 of phaser rotor blade 47, the lock pin rotor oil duct 51, A chamber rotors oil duct 50 with
And B chamber rotor oil ducts 49 are separate, when initial, the phaser rotor blade is by lock pin pin in phaser housing oil pocket
Middle locking.
In the present embodiment, the oil duct on the body of bolt 4 is three groups, respectively lock pin oilhole 33, A chambers oilhole 36 and B
Chamber oilhole 35, this three groups of oilhole examples are simply to illustrate that principle, other shape and structures that can realize this function are equally applicable, institute
The oil groove composition stated on valve pocket 6 is four groups, respectively the first oil groove 27, the second oil groove 29, the 3rd oil groove 30 and the 4th oil groove 31,
Oil duct on the valve pocket 6 is five groups, respectively the first oilhole 21, the second oilhole 22, check valve oil outlet 23, check valve oil-feed
The oilhole 28 of hole 24 and the 5th, five groups of oil ducts are distributed at an angle in circumferencial direction respectively, the 4th oil groove 31 and spiral shell
The inwall of key 4 formation oil input channel, first oil groove 27 constitutes first with the inner hole wall of the body of bolt 4 and is connected oil duct 17, described second
Oil groove 29 constitutes second with the inner hole wall of the body of bolt 4 and is connected oil duct, and the 3rd oil groove 30 constitutes the 3rd with the inner hole wall of the body of bolt 4 and connected
Oil duct 5 is connect, first oilhole 21 and check valve fuel feed hole 24 are communicated with oil input channel respectively, the oil of the 5th oilhole 28 and first
Groove 27 is connected, and is communicated with the A chambers oilhole 36 on the body of bolt 4, and second oilhole 22 is connected with the second oil groove 29, and with
B chambers oilhole 35 on the body of bolt 4 is communicated, and the check valve oil outlet 23 is connected with the 3rd oil groove 30, and with the bolt
Lock pin oilhole 33 on body 4 is communicated, and the valve element 1, can be by the first oilhole 21 and the second oilhole on the valve pocket 6 by sliding
22 connection connect or block, the check valve oil outlet 23 on the valve pocket 6 can be also connected with check valve fuel feed hole 24 connect or
Block, the first oilhole 21 on the valve pocket 6 can be also connected with the 5th oilhole 28 connection or block, the lock pin oilhole 33 and
Lock pin rotor oil duct 51 is connected, and the A chambers oilhole 36 is connected with A chamber rotors oil duct 50, the B chambers oilhole 35 and B chambers rotor oil
Road 49 is connected.
Wherein, unidirectional valve pool 26 is provided with the valve pocket 6, the second check valve is provided with the unidirectional valve pool 26
15, second check valve 15 realizes one-way flow function in circle structure by radial tension, second check valve 15
Overlap position 37 to 38 and the reversed arrangement of check valve fuel feed hole 24 on valve pocket 6；Set in the body of bolt 4, at oil-out 52
Plug 2, this plug example of shape are equipped with simply to illustrate that principle, other shape and structures that can realize this function are equally applicable,
Drain tap 39 is provided with the plug 2, the end of plug 2 is provided with locating rod 42, is provided with the end of valve pocket 6
With the locating slot 19 of the corresponding matching of locating rod 42, by the cooperation of locating rod 42 and locating slot 19, to limit turning for valve pocket 6
It is dynamic, prevent that oilhole from misplacing；Precompressed mechanism is provided between the plug 2 and valve pocket 6, the precompressed mechanism includes pre-compressed spring
3 and pre-compressed spring seat 18, this pre-compressed spring seat example of shape simply to illustrate that principle, other to realize the shape knot of this function
Structure is equally applicable, the endoporus of valve pocket 6 is provided with back-moving spring 16, the pre-compressed spring 3 is all the time to pre-compressed spring seat 18 1
Individual returning place force, the back-moving spring 16 gives 1 one returning place forces of valve element all the time, is provided with the oil-out 52 of the body of bolt 4
Body of bolt stepped hole 32 for installing plug 2, is provided with the plug for limiting the axial displacement of valve element 1 in the plug 2
First step 40 and the plug second step 41 for limiting pre-compressed spring 18 axial displacements of seat, 18 sets of the pre-compressed spring seat
The periphery of valve element 1 is connected on, the pre-compressed spring seat 18 is made up of spring rib 43 and guide pin bushing 44, and the pre-compressed spring 3 is arranged on
Between pre-compressed spring 18 spring rib 43 of seat and the valve pocket first step hole 20 of valve pocket 6, the spring rib 43 and valve pocket the
One stepped hole 20 is used for the axial movement for limiting pre-compressed spring 3, and the guide pin bushing 44 of the pre-compressed spring seat 18 is used for the contact of valve element 1
It is spacing, and pre-compressed spring 3 is play the guiding role.
Wherein, the first check valve composition includes check valve body 8, one-way valve seat 11, spring base 12, check valve steel ball 13
And one-way valve spring 14, the spring base 12 is arranged at the valve pocket second step hole 25 of the afterbody of valve pocket 6, the check valve steel
Ball 13 is arranged in check valve body 8, and the check valve steel ball 13 can be slided in the interior bone of check valve body 8, described unidirectional
Valve spring 14 is arranged in spring base 12, and the one-way valve seat 11 is arranged at the body of bolt step 34 of the endoporus bottom of the body of bolt 4,
Be provided with filter screen 10 between the body of bolt 4 and one-way valve seat 11, the endoporus and filter screen 10 of the first check valve composition it
Between formed a collection chamber 9, elastic washer 7, the elastic washer 7 are provided between the spring base 12 and check valve body 8
Elastic force is consistently formed between spring base 12 and check valve body 8, between the part being installed on elimination inside the body of bolt 4
Axial gap, prevents part play.
The OCV Oil Control Valve of the present invention changes the relative angle of camshaft and bent axle by adjusting vane phasers, to reach
Improve engine performance or reduce emission.In most cases, phaser has the rotor with one or more blades,
Rotor is arranged on the end of camshaft, and outer cover suit is on rotor.Wherein shell has blade corresponding with rotor blade
Chamber, blade cavity is divided on A chambers and B chambers, rotor blade by rotor blade is provided with two lock pins, and OCV Oil Control Valve oilhole is logical
Cross rotor oil duct with A chambers and B chambers and lock pin to be connected, during beginning, rotor is in the presence of back-moving spring in phaser housing oil pocket
Middle locking, to reach the purpose of control angle.
As shown in Figure 10, when phaser rotor blade 47 needs to adjust to B chambers 48, machine oil enters machine oil from oil inlet 53
Valve is controlled, check valve steel ball 13 is pushed open and enters oil input channel, A chambers 46 are then entered by A chamber rotors oil duct 50, is started in A chambers 46
Engine oil pressure is inside set up, machine oil enters check valve oil outlet 23 by the second check valve 15 afterwards, and by the 3rd of the body of bolt 4 the
Oil duct 5 is connected, is connected by lock pin oilhole 33 with lock pin rotor oil duct 51, now machine oil hydraulic rises lock pin pin 45, is locked
Pin unblock.Now B chambers 48 are connected by the 3rd oil groove 30 of the body of bolt 4 and valve pocket 6 with oil-out 52, so that in the machine of A chambers 46
Phaser rotor blade 47 is promoted to be adjusted to B chambers 48 under oil pressure.
As shown in figure 11, when phaser rotor blade 47 needs to adjust to A chambers 46, machine oil enters machine oil from oil inlet 53
Valve is controlled, check valve steel ball 13 is pushed open and enters oil input channel, then by the second oilhole 22 of valve pocket 6, the B chamber oilholes of the body of bolt 4
35 and B chamber rotors oil duct 49 enters B chambers 48, starts to set up engine oil pressure in B chambers 48, machine oil passes through the second check valve 15 afterwards
Into check valve oil outlet 23, and by the 3rd connection oil duct 5 of the body of bolt 4, pass through lock pin oilhole 33 and lock pin rotor oil duct
51 are connected, and now machine oil hydraulic rises lock pin pin 45, lock pin unblock.Now A chambers 46 by A chamber rotors oil duct 50 with it is fuel-displaced
Mouth 52 is connected, so as to promote phaser rotor blade 47 to be adjusted to A chambers 46 under the engine oil pressure of B chambers 48.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent and improvement made within refreshing and principle etc., should be included within the scope of the present invention.
Claims (7)
1. a kind of middle locking Formula V VT OCV Oil Control Valves, including the body of bolt（4）, be arranged on the body of bolt（4）Valve pocket in endoporus
（6）And it is arranged on valve pocket（6）Valve element in endoporus（1）, the valve element（1）Can be in valve pocket（6）Endoporus is slided, in the bolt
Body（4）Oil inlet（53）Place is provided with the first check valve composition, it is characterised in that：In the body of bolt（4）On be provided with to
Few three groups of oil ducts, every group of oil duct at least one oilhole, in the valve pocket（6）It is above axially distributed to have at least five groups oil ducts, often
Organize oil duct at least one oilhole, the body of bolt in a circumferential direction（4）On oil inlet（53）And oil-out（52）Pass through
Valve pocket（6）On at least five groups oil ducts respectively with the body of bolt（4）On at least three groups oil ducts connection, the body of bolt（4）On
In at least three groups oil ducts, at least one group oil duct passes through lock pin rotor oil duct（51）For by phaser rotor blade（47）Lock
Sell pin（45）Jack-up and unlock, at least one group oil duct passes through A chamber rotor oil ducts（50）With phaser rotor blade（47）A
Chamber（46）Connection, at least one group oil duct passes through B chamber rotor oil ducts（49）With phaser rotor blade（47）B chambers（48）Even
It is logical, the lock pin rotor oil duct（51）, A chamber rotor oil ducts（50）And B chamber rotor oil ducts（49）It is separate, when initial, institute
State phaser rotor blade（47）Pass through lock pin pin（45）The locking in the middle of phaser housing oil pocket.
2. middle locking Formula V VT OCV Oil Control Valves according to claim 1, it is characterised in that：The body of bolt（4）On
Oil duct is three groups, respectively lock pin oilhole（33）, A chamber oilholes（36）With B chamber oilholes（35）, the valve pocket（6）On oil duct be
Five groups, respectively the first oilhole（21）, the second oilhole（22）, check valve oil outlet（23）, check valve fuel feed hole（24）With the 5th
Oilhole（28）, first oilhole（21）With check valve fuel feed hole（24）Respectively with oil inlet（53）Communicate, the 5th oilhole
（28）With the body of bolt（4）On A chamber oilholes（36）Communicate, second oilhole（22）With the body of bolt（4）On B chambers
Oilhole（35）Communicate, the check valve oil outlet（23）With the body of bolt（4）On lock pin oilhole（33）Communicate, the valve element
（1）, can be by the valve pocket by sliding（6）On the first oilhole（21）With the second oilhole（22）Connection is connected or blocked, and also may be used
By the valve pocket（6）On check valve oil outlet（23）With check valve fuel feed hole（24）Connection connect or block, also can will described in
Valve pocket（6）On the first oilhole（21）With the 5th oilhole（28）Connection is connected or blocked, the lock pin oilhole（33）Turn with lock pin
Seed oil road（51）Connection, the A chambers oilhole（36）With A chamber rotor oil ducts（50）Connection, the B chambers oilhole（35）With B chamber rotors
Oil duct（49）Connection.
3. middle locking Formula V VT OCV Oil Control Valves according to claim 2, it is characterised in that：In the valve pocket（6）Inside set
It is equipped with unidirectional valve pool（26）, in the unidirectional valve pool（26）Place is provided with the second check valve（15）, second check valve（15）
In circle structure one-way flow function, second check valve are realized by radial tension（15）Coincidence position and valve pocket（6）
On check valve fuel feed hole（24）Reversed arrangement.
4. middle locking Formula V VT OCV Oil Control Valves according to claim 1, it is characterised in that：In the body of bolt（4）
Interior, oil-out（52）Place is provided with plug（2）, the plug（2）On be provided with drain tap（39）, in the plug（2）With valve
Set（6）Between be provided with precompressed mechanism, the precompressed mechanism includes pre-compressed spring（3）With pre-compressed spring seat（18）, the precompressed
Spring（3）All the time pre-compressed spring seat is given（18）One returning place force.
5. middle locking Formula V VT OCV Oil Control Valves according to claim 4, it is characterised in that：In the body of bolt（4）'s
Oil-out（52）Place is provided with for installing plug（2）Body of bolt stepped hole（32）, in the plug（2）Inside being provided with is used for
Limit valve element（1）The plug first step of axial displacement（40）And for limiting pre-compressed spring seat（18）The plug of axial displacement
Second step（41）.
6. middle locking Formula V VT OCV Oil Control Valves according to claim 5, it is characterised in that：The pre-compressed spring seat
（18）It is socketed in valve element（1）Periphery, pre-compressed spring seat（18）By spring rib（43）And guide pin bushing（44）Constitute, it is described pre-
Pressing spring（3）It is arranged on pre-compressed spring seat（18）Spring rib（43）With valve pocket（6）Valve pocket first step hole（20）Between,
The spring rib（43）And valve pocket first step hole（20）For limiting pre-compressed spring（3）Axial movement, the precompressed bullet
Spring abutment（18）Guide pin bushing（44）With valve element（1）Cylindrical contact it is spacing, and to pre-compressed spring（3）It play the guiding role.
7. middle locking Formula V VT OCV Oil Control Valves according to claim 4, it is characterised in that：In the plug（2）End
It is provided with positioning boss（42）, in the valve pocket（6）End is provided with and the positioning boss（42）The locating slot of corresponding matching
（19）, pass through positioning boss（42）With locating slot（19）Cooperation, to limit valve pocket（6）Rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710334963.9A CN106939807B (en) | 2017-05-12 | 2017-05-12 | Middle locking formula VVT machine oil control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710334963.9A CN106939807B (en) | 2017-05-12 | 2017-05-12 | Middle locking formula VVT machine oil control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106939807A true CN106939807A (en) | 2017-07-11 |
| CN106939807B CN106939807B (en) | 2023-04-21 |
Family
ID=59464899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201710334963.9A Active CN106939807B (en) | 2017-05-12 | 2017-05-12 | Middle locking formula VVT machine oil control valve |
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| CN105863768A (en) * | 2016-03-31 | 2016-08-17 | 杰锋汽车动力系统股份有限公司 | Middle valve structure used for continuous variable valve timing system |
| CN108487959A (en) * | 2018-05-07 | 2018-09-04 | 宁波太平洋电控系统有限公司 | The middle camshaft phaser oil channel structures that intermediate locking is adjusted |
| CN110017186A (en) * | 2018-01-10 | 2019-07-16 | 爱信精机株式会社 | Valve timing controller |
| CN110832172A (en) * | 2017-09-19 | 2020-02-21 | 伊希欧1控股有限公司 | Oil control valve for controlling a cam phaser with a spool positioned by an external actuator and including a groove |
| CN114076008A (en) * | 2021-12-02 | 2022-02-22 | 杰锋汽车动力系统股份有限公司 | Engine VVT system engine oil control valve and control method thereof |
| CN115279996A (en) * | 2020-07-23 | 2022-11-01 | 舍弗勒技术股份两合公司 | Check valve and center valve |
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|---|---|---|---|---|
| CN105863768A (en) * | 2016-03-31 | 2016-08-17 | 杰锋汽车动力系统股份有限公司 | Middle valve structure used for continuous variable valve timing system |
| CN110832172A (en) * | 2017-09-19 | 2020-02-21 | 伊希欧1控股有限公司 | Oil control valve for controlling a cam phaser with a spool positioned by an external actuator and including a groove |
| CN110832172B (en) * | 2017-09-19 | 2021-11-26 | 伊希欧1控股有限公司 | Oil control valve with spool having groove for controlling cam phaser |
| CN110017186A (en) * | 2018-01-10 | 2019-07-16 | 爱信精机株式会社 | Valve timing controller |
| CN108487959A (en) * | 2018-05-07 | 2018-09-04 | 宁波太平洋电控系统有限公司 | The middle camshaft phaser oil channel structures that intermediate locking is adjusted |
| CN115279996A (en) * | 2020-07-23 | 2022-11-01 | 舍弗勒技术股份两合公司 | Check valve and center valve |
| CN115279996B (en) * | 2020-07-23 | 2024-05-10 | 舍弗勒投资(中国)有限公司 | Check valve and central valve |
| CN114076008A (en) * | 2021-12-02 | 2022-02-22 | 杰锋汽车动力系统股份有限公司 | Engine VVT system engine oil control valve and control method thereof |
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