CN109538324A - A kind of camshaft adjuster of the end cap with control valve - Google Patents
A kind of camshaft adjuster of the end cap with control valve Download PDFInfo
- Publication number
- CN109538324A CN109538324A CN201910060986.4A CN201910060986A CN109538324A CN 109538324 A CN109538324 A CN 109538324A CN 201910060986 A CN201910060986 A CN 201910060986A CN 109538324 A CN109538324 A CN 109538324A
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- China
- Prior art keywords
- oil
- channel
- mouth
- drain tap
- control
- Prior art date
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- 230000002028 premature Effects 0.000 claims description 27
- 239000012530 fluid Substances 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 238000004146 energy storage Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 7
- 230000017105 transposition Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 239000002828 fuel tank Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F01L2001/3443—Solenoid driven oil control valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
A kind of camshaft adjuster the invention discloses end cap with control valve belongs to automobile engine accessory field, including stator, rotor, end cap and solenoid valve；The blade interlocking of rotor is divided into pressure chamber in advance and hysteresis pressure chamber between two sector of stator, and by pressure chamber, and the end cap includes forward and backward end cap, is clipped in rotor front-back and is fixed on stator front-back；Be equipped in the drive end bearing bracket and/or rear end cap can be connected in advance, changing oil for hysteresis pressure chamber channel and be built-in with the control valve of controllable passage switching of changing oil；The solenoid valve is by giving, draining controls the relative rotation of stator, rotor and the movement of control valve.Due to the structure, shifted to an earlier date by control, hysteresis pressure chamber directly carries out oil liquid exchange, the completing balance pressure chamber vacuum of the task avoids rotor by movement contrary with the transposition planned originally caused by vacuum, and accelerates camshaft and respond relative to the phase adjusted of crankshaft.
Description
Technical field
The invention belongs to automobile engine accessory fields, relate in particular to a kind of camshaft adjusting of the end cap with control valve
Device.
Background technique
Camshaft adjuster is the technology component for adjusting the phase between crankshaft and camshaft in internal combustion engine.
Disclose a kind of camshaft adjuster from 103244219 A of CN, for adjust the camshaft in internal combustion engine relative to
The phase of crankshaft.Provided camshaft adjuster include: even numbers variable-volume in advance and hysteresis pressure room, for passing through
The rotor being supported in stator adjusts phase；And volume accumulator, there is the storage for accommodating the hydraulic fluid from pressure chamber
It can device interface and the fuel tank interface for hydraulic fluid to be discharged to fuel tank.In this regard, a certain number of pressure chambers respectively pass through one
The additional channel of check-valves including being arranged for relevant pressure room is connect with volume accumulator, wherein the quantity is less than all pressures
The sum of power room.Provided camshaft adjuster is from following thinking, that is, volume accumulator is mainly periodically occurring
In phase, the task that hydraulic fluid completes Equilibrium vacuum is sucked from volume accumulator by pressure chamber.In this manner it is achieved that avoiding turning
Son passes through movement contrary with the transposition planned originally caused by vacuum.
A kind of stator for camshaft adjuster is disclosed from 103291399 A of CN comprising: for concentrically
The outside of rotor is accommodated, which has the blade being disposed thereon；And that stretches out from the outside is used to rabbet in rotor
The segmentation of pressure chamber between two blades, to be formed together camshaft adjuster with the two blades.Here, segmentation has
For accommodating the cavity of the hydraulic fluid from pressure chamber.It outside can be particularly annular in shape, wherein segmentation is radially-inwardly stretched
Out.Blade can around rotor be arranged and radially and/or axially be stretched out from the rotor.Therefore, the cavity in segmentation can
As volume accumulator, which accommodates the hydraulic fluid flowed out from pressure chamber via corresponding inflow entrance, wherein pressure
It power room can be in the case where negative pressure via the hydraulic fluid for the outflux suction outflow being connect with pressure chamber.
A kind of camshaft adjuster is disclosed from 103244224 A of CN comprising stator and turn being contained in stator
Son, rotor are supported in a manner of it can reverse relative to stator pressure chamber.This outsourcing of provided camshaft adjuster
It includes for the pressure interface of supply pressure room hydraulic fluid and for the discharge interface from pressure chamber's discharge hydraulic fluid.According to this hair
Bright, provided camshaft adjuster includes third interface, for filling the hydraulic fluid from volume accumulator to pressure chamber.
Volume accumulator or volume accumulator are equivalent in the hydraulic fluid exchange of pressure chamber in advance and hysteresis pressure chamber
It is situated between, exchanges pressure chamber in advance and the hydraulic fluid of hysteresis pressure chamber directly, improves phase of the camshaft relative to crankshaft
Governing response remains unsolved.
Summary of the invention
The purpose of the present invention is providing a kind of camshaft adjuster of the end cap with control valve in view of the above shortcomings, pass through
Control shifts to an earlier date pressure chamber and hysteresis pressure chamber directly carries out oil liquid exchange, completes the task of balance pressure chamber vacuum, avoids rotor
By movement contrary with the transposition planned originally caused by vacuum, and accelerates camshaft and rung relative to the phase adjusted of crankshaft
It answers.To achieve the above object, the invention provides the following technical scheme:
A kind of camshaft adjuster of the end cap with control valve, for adjusting phase of the camshaft in internal combustion engine relative to crankshaft
Position, including stator 1, rotor 2, end cap 3 and solenoid valve；The rotor 2 includes the wheel hub 21 being contained in stator 1 with one heart, this is fixed
1 outer ring is radially inwardly protruding sector 11 for son；21 radially outwardly projecting of wheel hub has blade 22, and the interlocking of blade 22 is two
Between a sector 11, and the pressure chamber that wheel hub 21,1 outer ring of stator and two sectors 11 are constituted is divided into 23 and of pressure chamber in advance
Hysteresis pressure chamber 24, the end cap 3 include drive end bearing bracket and rear end cap, are clipped in 2 front-back of rotor and are fixed on 1 front-back of stator
On；The channel 4 and interior of changing oil that can be connected to pressure chamber 23 in advance and hysteresis pressure chamber 24 is equipped in the drive end bearing bracket and/or rear end cap
It is equipped with the control valve 5 of the controllable opening and closing of channel 4 of changing oil；The solenoid valve controls the phase of stator 1, rotor 2 by oil supply, draining
Movement to rotation and control valve 5.
In order to further perfect, space of the control valve 5 in end cap 3 forms cavity 25；The pressure chamber 23 in advance,
Hysteresis pressure chamber 24 and cavity 25 are connected with premature oil channel 6 respectively, lag oily channel 7 and control oily channel 8；The premature oil is logical
Road 6, the other end for lagging oily channel 7 and controlling oil channel 8 pass through solenoid valve control oil supply and draining.
In order to further perfect, the premature oil channel 6 and the oily channel 7 of lag radial direction are arranged in rotor 2, the control
Liquefaction channel 8 is radial to be arranged in end cap 3.
In order to further perfect, the control valve 5 includes piston 51, control valve core 52 and little spring 53；The control valve
Core 52 is connected with piston 51, and channel 4 of changing oil is blocked under the bounce of little spring 53；The piston 51 is corresponding to control oily channel
8 passway, when controlling oily 8 oil supply of channel, piston 51 is pressurized and can open channel of changing oil by pushing control valve core 52
4, while making 53 energy storage of little spring.
In order to further perfect, the solenoid valve includes electromagnetic valve body 30, and the electromagnetic valve body 30 includes valve body 31, axial direction
It is set to the intracorporal spool 32 of 31 chamber of valve body and for driving the spool 32 to be axially moved along 31 cavity of valve body
Spring 33, the spool 32 is hollow and forms T drainback passage 34, and there are five positions in 31 cavity of valve body for the spool 32；The
When one position, 7 oil supply of oily channel is lagged, 6 draining of premature oil channel controls 8 draining of oily channel；When the second position, it is logical to lag oil
7 oil supply of road, 6 draining of premature oil channel control 8 oil supply of oily channel；When the third place, oily channel 7,6 oil of premature oil channel are lagged
It keeps, controls 8 draining of oily channel；When four positions, 7 draining of oily channel is lagged, 6 oil supply of premature oil channel controls oily channel 8 and gives
Oil；When five positions, 7 draining of oily channel is lagged, 6 oil supply of premature oil channel controls 8 draining of oily channel.
In order to further perfect, successively extended radially through on the cavity wall of the valve body 31 along axial direction and be provided with connection control oil
The C1 control mouth 81 in channel 8, the A for being connected to premature oil channel 6 shift to an earlier date mouth 61, connection lag the B lag mouth 71 in oily channel 7 be connected to
Control the C2 control mouth 82 in oily channel 8；C1, C2 control mouth 81,82, which respectively corresponds, is set to 31 cavity inner wall of valve body
P1, P2 pressure oil port 91,92, P1, P2 pressure oil port 91,92, which is connected to and has been centrally located, extends radially through 31 cavity wall of valve body
P pressure oil port 93；It is successively extended radially through along axial direction to T drainback passage 34 on 32 outer wall of spool and is provided with C1 drain tap
One and 2 83,84, A and B drain tap 62,72, C2 drain tap two and one 85,86；Between the C1 drain tap one and 2 83,84,
Between C2 drain tap one two 86,85, C1, C2, AB annular groove 87,88,67 is respectively arranged between A and B drain tap 62,72.
In order to further perfect, the C1 control mouth 81 and C2 control mouth 82, A shift to an earlier date mouth 61 and B lag mouth 71 about P
Pressure oil port 93 is symmetrical；The C1 drain tap 1 and C2 drain tap 1, C1 drain tap 2 84 and C2 drain tap 2 85, C1 ring
Connected in star 87 and C2 annular groove 88, A drain tap 62 and B drain tap 72 are symmetrical about AB annular groove 67.
In order to further perfect, for spool 32 at the first position of 31 cavity of valve body, P pressure oil port 93 is recessed by AB annular
Slot 67 is connected with B lag mouth 71, and A shifts to an earlier date mouth 61 and is connected by A drain tap 62 with T drainback passage 34, and C1 control mouth 81 is logical
C1 drain tap 1 is crossed to be connected with T drainback passage 34；When the second position, P pressure oil port 93 is stagnant by AB annular groove 67 and B
Deutostoma 71 is connected, and A shifts to an earlier date mouth 61 and is connected by A drain tap 62 with T drainback passage 34, and P1 pressure oil port 91 passes through C1 annular
Groove 87 is connected with C1 control mouth 81；When the third place, P pressure oil port 93 shifts to an earlier date mouth 61, B with A by AB annular groove 67
Lag mouth 71 is not turned on, and C1, C2 control mouth 81,82 is connected by C1, C2 drain tap 2 84,85 with T drainback passage 34 respectively
It is logical；When four positions, P pressure oil port 93 shifts to an earlier date mouth 61 with A by AB annular groove 67 and is connected, and B lags mouth 71 and passes through B draining
Mouth 72 is connected with T drainback passage 34, and P2 pressure oil port 92 is connected by C2 annular groove 88 with C2 control mouth 82；5th
When setting, P pressure oil port 93 shifts to an earlier date mouth 61 with A by AB annular groove 67 and is connected, and B lags mouth 71 and returned by B drain tap 72 and T
Oily channel 34 is connected, and C2 control mouth 82 is connected by C2 drain tap 1 with T drainback passage 34.
In order to further perfect, the A drain tap 62 at least two, the A drain tap 62 in collar extension by being provided with
Annular groove is connected to, for increasing draining speed；The B drain tap 72 at least two, the B drain tap 72 is by outside
Mouth is provided with annular groove to be connected to, for increasing draining speed.
The beneficial effects of the present invention are:
1. camshaft adjuster of a kind of end cap with control valve of the invention, it is equipped in the drive end bearing bracket and/or rear end cap
Changing oil for pressure chamber in advance and hysteresis pressure chamber can be connected to and channel and be built-in with the control valve of controllable passage switching of changing oil；Pass through
Control shifts to an earlier date pressure chamber and hysteresis pressure chamber directly carries out oil liquid exchange, completes the task of balance pressure chamber vacuum, avoids rotor
By movement contrary with the transposition planned originally caused by vacuum, and accelerates camshaft and rung relative to the phase adjusted of crankshaft
It answers.
2. camshaft adjuster of a kind of end cap with control valve of the invention, premature oil channel lag oily channel and control
The other end in oily channel passes through solenoid valve control oil supply and draining.There are five positions in valve body cavity body for spool；Pass through position
Variation, control stator, the relative rotation of rotor and the movement of control valve.
Detailed description of the invention
Fig. 1 is rotor and stator cooperation schematic diagram of the invention；
Fig. 2 is end cap diagrammatic cross-section of the invention；
Fig. 3 is the spool of the invention first position schematic diagram in valve body cavity body；
Fig. 4 is the spool of the invention second position schematic diagram in valve body cavity body；
Fig. 5 is the spool of the invention the third place schematic diagram in valve body cavity body；
Fig. 6 is spool of the invention the 4th position view in valve body cavity body；
Fig. 7 is spool of the invention the 5th position view in valve body cavity body；
In attached drawing: 1- stator, 2- rotor, 3- end cap, 4- change oil channel, 5- control valve, 6- premature oil channel, 7- lag oil
Channel, the oily channel of 8- control, 11- sector, 21- wheel hub, 22- blade, 23- shift to an earlier date pressure chamber, 24- hysteresis pressure chamber, 25- and hold
Chamber, 30- electromagnetic valve body, 31- valve body, 32- spool, 33- spring, 34-T drainback passage, 51- piston, 52- control valve core, 53- are small
Spring, 61-A shift to an earlier date mouth, 62-A drain tap, 67-AB annular groove, 71-B lag mouth, 72-B drain tap, 81-C1 control mouth,
82-C2 control mouth, 83-C1 drain tap one, 84-C1 drain tap two, 85-C2 drain tap two, 86-C2 drain tap one, 87-C1 annular
Groove, 88-C2 annular groove, 91-P1 pressure oil port, 92-P2 pressure oil port, 93-P pressure oil port
Specific embodiment
With reference to the accompanying drawing with specific embodiment, the present invention is described in more detail, but the present invention is not limited to
Following embodiment.
In conjunction with shown in attached drawing 1~7.A kind of camshaft adjuster of the end cap with control valve, it is convex in internal combustion engine for adjusting
Phase of the wheel shaft relative to crankshaft, including stator 1, rotor 2, end cap 3 and solenoid valve；The rotor 2 includes being contained in determine with one heart
Wheel hub 21 in son 1,1 outer ring of stator is radially inwardly protruding sector 11；21 radially outwardly projecting of wheel hub has blade 22,
The interlocking of blade 22 is between two sectors 11, and the pressure chamber that wheel hub 21,1 outer ring of stator and two sectors 11 are constituted point
It is cut into pressure chamber 23 in advance and hysteresis pressure chamber 24, two sectors 11 carry out rotation angle limit to blade 22.Solenoid valve passes through
Oil liquid is controlled to 23 oil supply of pressure chamber in advance and 24 draining of hysteresis pressure chamber or to 23 draining of pressure chamber and hysteresis pressure chamber in advance
24 oil supply or oil liquid holding make 2 relative stator 1 of rotor rotate by a certain angle or stablize an angle, convex in internal combustion engine to adjust
Phase of the wheel shaft relative to crankshaft；The end cap 3 includes drive end bearing bracket and rear end cap, is clipped in 2 front-back of rotor and is fixed on stator 1
On front-back；It is equipped with that can be connected to changing oil for pressure chamber 23 in advance and hysteresis pressure chamber 24 logical in the drive end bearing bracket and/or rear end cap
Road 4 and the control valve 5 for being built-in with the controllable opening and closing of channel 4 of changing oil；It is 5 opening state of control valve, oil liquid is from mentioning shown in attached drawing 2
Preceding pressure chamber 23 is changed oil channel 4 to hysteresis pressure chamber 24；Shown in two circular holes be to respectively lead to pressure chamber 23 in advance and stagnant
The port of pressure chamber 24 afterwards；When the opening of control valve 5 changes oil channel 4, pressure chamber 23 is connected with hysteresis pressure chamber 24 in advance；
When channel 4 is changed oil in the closing of control valve 5, pressure chamber 23 is not connected to hysteresis pressure chamber 24 in advance；The solenoid valve by oil supply,
Draining controls the on-off action of stator 1, the relative rotation of rotor 2 and control valve 5.
Space of the control valve 5 in end cap 3 forms cavity 25；Cavity 25 is for accommodating control valve 5；It is described to press in advance
Power chamber 23, hysteresis pressure chamber 24 and cavity 25 are connected with premature oil channel 6 respectively, lag oily channel 7 and control oily channel 8；It is described
Premature oil channel 6, the other end for lagging oily channel 7 and controlling oil channel 8 pass through solenoid valve control oil supply and draining.
The premature oil channel 6 and the oily channel 7 of lag radial direction are arranged in rotor 2, the radial cloth in the oily channel 8 of the control
It is placed in end cap 3.
The control valve 5 includes piston 51, control valve core 52 and little spring 53；The control valve core 52 and 51 phase of piston
Even, and under the bounce of little spring 53 channel 4 of changing oil is blocked；The corresponding passway for controlling oily channel 8 of the piston 51, works as control
When 8 oil supply of liquefaction channel, piston 51 is pressurized and can open channel 4 of changing oil by pushing control valve core 52, while making little spring
53 energy storage.
The solenoid valve includes electromagnetic valve body 30, and the electromagnetic valve body 30 includes valve body 31, is axially set in the valve body
The intracorporal spool 32 of 31 chambers and the spring 33 for driving the spool 32 to be axially moved along 31 cavity of valve body, the spool
32 is hollow and form T drainback passage 34, successively extends radially through on the cavity wall of the valve body 31 along axial direction and is provided with connection control
The C1 control mouth 81 in oily channel 8, the A in connection premature oil channel 6 shift to an earlier date mouth 61, connection lags the B lag mouth 71 in oily channel 7 and connect
The logical C2 control mouth 82 for controlling oily channel 8；C1, C2 control mouth 81,82, which has respectively corresponded, is set to 31 cavity inner wall of valve body
P1, P2 pressure oil port 91,92, P1, P2 pressure oil port 91,92, which is connected to and has been centrally located, extends radially through 31 cavity of valve body
The P pressure oil port 93 of wall；It is successively extended radially through along axial direction to T drainback passage 34 on 32 outer wall of spool and is provided with C1 draining
Mouth one and 2 83,84, A and B drain tap 62,72, C2 drain tap two and one 85,86；The C1 drain tap one and 2 83,84 it
Between, be respectively arranged between C2 drain tap one two 86,85, between A and B drain tap 62,72 C1, C2, AB annular groove 87,88,
67.The C1 control mouth 81 and C2 control mouth 82, A shift to an earlier date mouth 61 and B lag mouth 71 is symmetrical about P pressure oil port 93；It is described
C1 drain tap 1 and C2 drain tap 1, C1 drain tap 2 84 and C2 drain tap 2 85, C1 annular groove 87 and C2 annular are recessed
Slot 88, A drain tap 62 and B drain tap 72 are symmetrical about AB annular groove 67.
There are five positions in 31 cavity of valve body for the spool 32；Spool 32 is at the first position of 31 cavity of valve body, P pressure
Power hydraulic fluid port 93 lags mouth 71 with B by AB annular groove 67 and is connected, by lagging oily channel 7 to 24 oil supply of hysteresis pressure chamber, A
Mouth 61 is connected by A drain tap 62 with T drainback passage 34 in advance, and pressure chamber 23 is controlled to 6 draining of premature oil channel, C1 in advance
Mouth 81 is connected by C1 drain tap 1 with T drainback passage 34, and cavity 25 is to 8 draining of oily channel is controlled, the pass of channel 4 of changing oil
It closes；When the second position, P pressure oil port 93 lags mouth 71 with B by AB annular groove 67 and is connected, and lags oily channel 7 to lag
24 oil supply of pressure chamber, A shift to an earlier date mouth 61 and are connected by A drain tap 62 with T drainback passage 34, and pressure chamber 23 is logical to premature oil in advance
6 draining of road, P1 pressure oil port 91 are connected by C1 annular groove 87 with C1 control mouth 81, are controlled oily channel 8 and are given to cavity 25
Oil, the opening of channel 4 of changing oil；When the third place, P pressure oil port 93 shifts to an earlier date mouth 61, B lag mouth 71 by AB annular groove 67, with A
It is not turned on, lags oily channel 7,6 oil of premature oil channel is kept, pressure chamber 23 and the holding of hysteresis pressure chamber 24 in advance, C1, C2 control
Donsole 81,82 is connected by C1, C2 drain tap 2 84,85 with T drainback passage 34 respectively, and cavity 25 is let out to oily channel 8 is controlled
Oil, the closing of channel 4 of changing oil；When four positions, P pressure oil port 93 shifts to an earlier date mouth 61 with A by AB annular groove 67 and is connected, in advance
Oily channel 6 is connected by B drain tap 72 with T drainback passage 34 to 23 oil supply of pressure chamber in advance, B lag mouth 71, hysteresis pressure
Chamber 24 is connected by C2 annular groove 88 with C2 control mouth 82 to 7 draining of oily channel, P2 pressure oil port 92 is lagged, and it is logical to control oil
Road 8 is to 25 oil supply of cavity, the opening of channel 4 of changing oil；When five positions, P pressure oil port 93 shifts to an earlier date mouth by AB annular groove 67 and A
61 are connected, and to 23 oil supply of pressure chamber in advance, B lags mouth 71 and passes through 34 phase of B drain tap 72 and T drainback passage in premature oil channel 6
Connection, hysteresis pressure chamber 24 pass through 34 phase of C2 drain tap 1 and T drainback passage to 7 draining of oily channel, C2 control mouth 82 is lagged
Connection, cavity 25 is to 8 draining of oily channel is controlled, the closing of channel 4 of changing oil.
The A drain tap 62 at least two, the A drain tap 62 are connected to by being provided with annular groove in collar extension,
For increasing draining speed；The B drain tap 72 at least two, the B drain tap 72 are recessed by being provided with annular in collar extension
Slot is connected to, for increasing draining speed.
To sum up, when rotor is needed from advanced condition to normal condition, spool 32 is in the 4th position of 31 cavity of valve body；When
When rotor is needed from normal condition to hysteretic state, spool 32 is in the 5th position of 31 cavity of valve body；When rotor is needed from lag
When state is to normal condition, spool 32 is in the second position of 31 cavity of valve body；When rotor is needed from normal condition to advanced condition
When, spool 32 is in the first position of 31 cavity of valve body；When rotor needs to be maintained at a certain location status, spool 32 is in valve body 31
The third place of cavity；The dynamic of stator 1, the relative rotation of rotor 2 and control valve 5 is controlled by oil supply, draining with this
Make.Shift to an earlier date pressure chamber by control and hysteresis pressure chamber directly carries out oil liquid exchange, completes the task of balance pressure chamber vacuum, keep away
Exempt from rotor by movement contrary with the transposition planned originally caused by vacuum, and accelerates phase of the camshaft relative to crankshaft
Governing response.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all utilizations
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content is applied directly or indirectly in other correlations
Technical field, be included within the scope of the present invention.
Claims (9)
1. camshaft adjuster of a kind of end cap with control valve, for adjusting phase of the camshaft in internal combustion engine relative to crankshaft
Position, including stator (1), rotor (2), end cap (3) and solenoid valve；The rotor (2) includes the wheel being contained in stator (1) with one heart
Hub (21), stator (1) outer ring is radially inwardly protruding sector (11)；Wheel hub (21) radially outwardly projecting has blade
(22), the blade (22) interlocking is between two sectors (11), and by wheel hub (21), stator (1) outer ring and two sectors
(11) pressure chamber constituted is divided into pressure chamber (23) in advance and hysteresis pressure chamber (24), which is characterized in that end cap (3) packet
Drive end bearing bracket and rear end cap are included, rotor (2) front-back is clipped in and is fixed on stator (1) front-back；The drive end bearing bracket and/or rear end
Lid in be equipped with can be connected to pressure chamber (23) in advance and hysteresis pressure chamber (24) channel of changing oil (4) and be built-in with can control change oil it is logical
The control valve (5) of road (4) opening and closing；The solenoid valve controlled by oil supply, draining stator (1), rotor (2) relative rotation with
And the movement of control valve (5).
2. camshaft adjuster of a kind of end cap with control valve according to claim 1, which is characterized in that the control valve
(5) space in end cap (3) forms cavity (25)；Pressure chamber (23), hysteresis pressure chamber (24) and the cavity (25) in advance
It is connected with premature oil channel (6) respectively, lag oily channel (7) and controls oily channel (8)；The premature oil channel (6), lag oil are logical
Road (7) and the other end for controlling oily channel (8) pass through solenoid valve control oil supply and draining.
3. camshaft adjuster of a kind of end cap with control valve according to claim 2, which is characterized in that the premature oil
Channel (6) and the radial rotor (2) that is arranged in of the oily channel (7) of lag are interior, and oily channel (8) radial direction of the control is arranged in end cap
(3) in.
4. camshaft adjuster of a kind of end cap with control valve according to claim 2, which is characterized in that the control valve
It (5) include piston (51), control valve core (52) and little spring (53)；The control valve core (52) is connected with piston (51), and
Channel (4) are changed oil in blocking under the bounce of little spring (53)；The corresponding passway for controlling oily channel (8) of the piston (51), when
When controlling oily channel (8) oil supply, piston (51) is pressurized and can open channel of changing oil (4) by pushing control valve core (52), together
When make little spring (53) energy storage.
5. camshaft adjuster of a kind of end cap with control valve according to claim 2, which is characterized in that the solenoid valve
Including electromagnetic valve body (30), the electromagnetic valve body (30) includes valve body (31), to be axially set in the valve body (31) chamber intracorporal
Spool (32) and spring (33) for driving the spool (32) to be axially moved along valve body (31) cavity, the spool
(32) hollow and form T drainback passage (34), there are five positions in valve body (31) cavity for the spool (32)；First position
When, oily channel (7) oil supply is lagged, premature oil channel (6) draining controls oily channel (8) draining；When the second position, it is logical to lag oil
Road (7) oil supply, premature oil channel (6) draining control oily channel (8) oil supply；When the third place, oily channel (7), premature oil are lagged
Channel (6) oil is kept, and controls oily channel (8) draining；When four positions, oily channel (7) draining is lagged, premature oil channel (6) are given
Oil controls oily channel (8) oil supply；When five positions, oily channel (7) draining is lagged, it is logical to control oil for premature oil channel (6) oil supply
Road (8) draining.
6. camshaft adjuster of a kind of end cap with control valve according to claim 5, which is characterized in that the valve body
(31) the C1 control mouth (81) for being provided with the oily channel (8) of connection control is successively extended radially through on cavity wall along axial direction, connection mentions
The A of preceding oil channel (6) shifts to an earlier date mouth (61), connection lags B lag mouth (71) of oily channel (7) and be connected to control oil channel (8)
C2 control mouth (82)；C1, C2 control mouth (81,82) respectively corresponds P1, P2 pressure for being set to valve body (31) cavity inner wall
Power hydraulic fluid port (91,92), P1, P2 pressure oil port (91,92), which is connected to and has been centrally located, extends radially through valve body (31) cavity wall
P pressure oil port (93)；It is successively extended radially through along axial direction to T drainback passage (34) on spool (32) outer wall and is provided with C1
Drain tap one and two (83,84), A and B drain tap (62,72), C2 drain tap two and one (85,86)；One He of C1 drain tap
Between two (83,84), between C2 drain tap one or two (86,85), A and B drain tap be respectively arranged with C1, C2, AB between (62,72)
Annular groove (87,88,67).
7. camshaft adjuster of a kind of end cap with control valve according to claim 6, which is characterized in that the C1 control
Mouth (81) and C2 control mouth (82), A shift to an earlier date mouth (61) and B lag mouth (71) is symmetrical about P pressure oil port (93)；The C1 is let out
Hydraulic fluid port one (83) and C2 drain tap one (86), C1 drain tap two (84) and C2 drain tap two (85), C1 annular groove (87) and C2
Annular groove (88), A drain tap (62) and B drain tap (72) are symmetrical about AB annular groove (67).
8. camshaft adjuster of a kind of end cap with control valve according to claim 6, which is characterized in that spool (32) exists
When the first position of valve body (31) cavity, P pressure oil port (93) is connected by AB annular groove (67) with B lag mouth (71), A
Mouth (61) is connected by A drain tap (62) with T drainback passage (34) in advance, and C1 control mouth (81) passes through C1 drain tap one (83)
It is connected with T drainback passage (34)；When the second position, P pressure oil port (93) passes through AB annular groove (67) and B lag mouth (71)
It is connected, A shifts to an earlier date mouth (61) and is connected by A drain tap (62) with T drainback passage (34), and P1 pressure oil port (91) passes through C1 ring
Connected in star (87) is connected with C1 control mouth (81)；When the third place, P pressure oil port (93) is by AB annular groove (67), with A
Mouth (61), B lag mouth (71) are not turned in advance, and C1, C2 control mouth (81,82) pass through C1, C2 drain tap two (84,85) respectively
It is connected with T drainback passage (34)；When four positions, P pressure oil port (93) shifts to an earlier date mouth (61) by AB annular groove (67) and A
It is connected, B lag mouth (71) is connected by B drain tap (72) with T drainback passage (34), and P2 pressure oil port (92) passes through C2 ring
Connected in star (88) is connected with C2 control mouth (82)；When five positions, P pressure oil port (93) passes through AB annular groove (67) and A
Mouth (61) is connected in advance, and B lag mouth (71) is connected by B drain tap (72) with T drainback passage (34), C2 control mouth (82)
It is connected by C2 drain tap one (86) with T drainback passage (34).
9. a kind of camshaft adjuster of the end cap with control valve according to one of claim 6-8, which is characterized in that described
A drain tap (62) at least two, the A drain tap (62) is connected to by being provided with annular groove in collar extension, for increasing
Draining speed；The B drain tap (72) at least two, the B drain tap (72) by collar extension be provided with annular groove come
Connection, for increasing draining speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060986.4A CN109538324B (en) | 2019-01-23 | 2019-01-23 | Camshaft adjuster with end cover provided with control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060986.4A CN109538324B (en) | 2019-01-23 | 2019-01-23 | Camshaft adjuster with end cover provided with control valve |
Publications (2)
| Publication Number | Publication Date |
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| CN109538324A true CN109538324A (en) | 2019-03-29 |
| CN109538324B CN109538324B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| US20070215084A1 (en) * | 2006-03-15 | 2007-09-20 | Borgwarner Inc. | Variable chamber volume phaser |
| CN102146819A (en) * | 2010-02-10 | 2011-08-10 | 爱知机械工业株式会社 | Gas distribution timing control device and internal combustion engine therewith |
| CN102865115A (en) * | 2011-07-08 | 2013-01-09 | 日立汽车系统株式会社 | Control valve for use in valve timing control apparatus |
| CN103244228A (en) * | 2012-02-02 | 2013-08-14 | 谢夫勒科技股份两合公司 | Camshaft adjuster |
| DE102017111737A1 (en) * | 2017-05-30 | 2018-03-15 | Schaeffler Technologies AG & Co. KG | Camshaft adjuster with a volume accumulator and locking cover of a camshaft adjuster |
| CN209990518U (en) * | 2019-01-23 | 2020-01-24 | 成都优迈达科技有限公司 | Camshaft adjuster with end cover provided with control valve |
-
2019
- 2019-01-23 CN CN201910060986.4A patent/CN109538324B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070215084A1 (en) * | 2006-03-15 | 2007-09-20 | Borgwarner Inc. | Variable chamber volume phaser |
| CN102146819A (en) * | 2010-02-10 | 2011-08-10 | 爱知机械工业株式会社 | Gas distribution timing control device and internal combustion engine therewith |
| CN102865115A (en) * | 2011-07-08 | 2013-01-09 | 日立汽车系统株式会社 | Control valve for use in valve timing control apparatus |
| CN103244228A (en) * | 2012-02-02 | 2013-08-14 | 谢夫勒科技股份两合公司 | Camshaft adjuster |
| DE102017111737A1 (en) * | 2017-05-30 | 2018-03-15 | Schaeffler Technologies AG & Co. KG | Camshaft adjuster with a volume accumulator and locking cover of a camshaft adjuster |
| CN209990518U (en) * | 2019-01-23 | 2020-01-24 | 成都优迈达科技有限公司 | Camshaft adjuster with end cover provided with control valve |
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| Publication number | Publication date |
|---|---|
| CN109538324B (en) | 2024-03-19 |
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