CN109538323A - A kind of camshaft phase converter system - Google Patents
A kind of camshaft phase converter system Download PDFInfo
- Publication number
- CN109538323A CN109538323A CN201910052555.3A CN201910052555A CN109538323A CN 109538323 A CN109538323 A CN 109538323A CN 201910052555 A CN201910052555 A CN 201910052555A CN 109538323 A CN109538323 A CN 109538323A
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- Prior art keywords
- phaser
- mouthfuls
- pressure chamber
- pressure
- rotor
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- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 claims abstract description 174
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 47
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 abstract description 6
- 239000010705 motor oil Substances 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004064 recycling 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The present invention provides a kind of camshaft phase converter system, including phaser and central valve (7), pressure chamber is formed by phaser stator (4) and phaser rotor (6) inside the phaser, check valve is set between central valve (7) and phaser rotor (6), forms phaser C mouthfuls (31) on the check valve；When the pressure in pressure chamber is lower than the pressure in phaser C mouthfuls (31), check valve is opened, and the hydraulic oil flowed out from phaser C mouthfuls (31) enters in pressure chamber；When the pressure in pressure chamber is higher than the pressure in phaser C mouthfuls (31), closed check valve, the hydraulic oil in pressure chamber cannot be entered in C mouthfuls of phaser (31).More additional hydraulic oil can be provided for phaser using the present invention, moreover it is possible to recycle to the hydraulic oil for flowing through camshaft phase converter, there is outstanding advantages of response speed for reducing engine motor oil consumption, lift cam axis phase converter.
Description
Technical field
The present invention relates to camshaft phase converter field of structural design, more particularly, to a kind of camshaft phase converter system.
Background technique
Variable valve timing system is opened and closed the moment by changing engine valve, can promote power, the torque of engine, drops
The fuel consumption and discharge of low engine are one of automotive energy-saving emission-reducing new technologies.
Camshaft phase converter in variable valve timing system is that the effect of its phase modulation is controlled by hydraulic oil, for hydraulic
The utilization of oily different modes decides the phase modulation speed of camshaft phase converter.In existing camshaft phase converter system, because for
Recycling not enough for hydraulic oil, reduces the response speed of camshaft phase converter, the oil consumption of engine is also caused to increase
Add.
Summary of the invention
The technical problem to be solved by the present invention is in view of the problems of the existing technology, providing a kind of camshaft phase converter
System, the response speed of lift cam axis phase converter.
The technical problem to be solved in the present invention is realized using following technical scheme: a kind of camshaft phase converter system, packet
Phaser and central valve are included, passes through phaser stator and phaser rotor formation pressure chamber, the center inside the phaser
Check valve is set between valve and phaser rotor, forms phaser C mouthfuls on the check valve；When the pressure in pressure chamber is lower than phase
When pressure in C mouthful of device of position, the check valve is opened, and is entered in pressure chamber from the hydraulic oil of C mouthfuls of phaser outflows；Work as pressure
When pressure in power room is higher than the pressure in phaser C mouthfuls, the closed check valve, the hydraulic oil in pressure chamber not can enter
To in C mouthfuls of phaser.
Preferably, the first rotor runner, the second rotor flow tract, the pressure are respectively formed in the phaser rotor
Room is separated into the pressure chamber A, the pressure chamber B by rotor blade, and the first rotor runner is communicated with the pressure chamber A, and described
Two rotor flow tracts are communicated with the pressure chamber B；The check valve is arranged two, and one of check valve is arranged in the first rotor runner
Between C mouthfuls of phaser, another check valve is arranged between the second rotor flow tract and C mouthfuls of phaser.
Preferably, the check valve includes gasket and control panel, forms phaser C mouthfuls on the gasket, the control
Making sheet is connect by elastic cantilever with valve block, and the control panel is arranged between phaser rotor and gasket；When in pressure chamber
Pressure lower than pressure in phaser C mouthful when, the valve block controls phaser C mouthful and opens, and makes C mouthfuls of the phaser liquid flowed out
Pressure oil enters in pressure chamber after flowing through check valve；It is described when the pressure in pressure chamber is higher than the pressure in phaser C mouthfuls
Valve block controls phaser C mouthfuls of closing, enters the hydraulic oil in pressure chamber in C mouthfuls of phaser from flowing through check valve.
Preferably, elastic cantilever and valve block are formed by opening up strip groove on the control panel.
Preferably, the first rotor runner, the second rotor flow tract, the pressure are respectively formed in the phaser rotor
Room is separated into the pressure chamber A, the pressure chamber B by rotor blade, and the first rotor runner is communicated with the pressure chamber A, and described
Two rotor flow tracts are communicated with the pressure chamber B；The check valve includes gasket and control panel, forms phaser C mouthfuls on the gasket,
The control panel is connect with the first valve block by the first elastic cantilever, is connect by the second elastic cantilever with the second valve block,
Assembly through-hole, first valve block, the assembly through-hole distribution of the second valve block ring are opened up on control panel；The control panel setting exists
Between phaser rotor and gasket, when the pressure in the pressure chamber A is lower than the pressure in phaser C mouthfuls, first valve block
Phaser C mouthfuls of opening of control, enters in the pressure chamber A after so that the hydraulic oil of C mouthfuls of phaser outflows is flowed through check valve；When A pressure
When pressure in room is higher than the pressure in phaser C mouthfuls, first valve block controls phaser C mouthfuls of closing, makes in the pressure chamber A
Hydraulic oil cannot flow through check valve and enter in C mouthfuls of phaser；When the pressure in the pressure chamber B is lower than the pressure in phaser C mouthfuls
When power, second valve block controls phaser C mouthfuls of opening, enters after so that the hydraulic oil of C mouthfuls of phaser outflows is flowed through check valve
Into the pressure chamber B；When the pressure in the pressure chamber B is higher than the pressure in phaser C mouthfuls, second valve block controls phaser
C mouthfuls of closings, enter the hydraulic oil in the pressure chamber B in C mouthfuls of phaser from flowing through check valve.
Preferably, the first elastic cantilever and the first valve block are formed by opening up the first strip groove on the control panel.
Preferably, the second elastic cantilever and the second valve block are formed by opening up the second bar shaped slot on the control panel.
Preferably, collecting tray is opened up on the gasket, the collecting tray is communicated with C mouthfuls of phaser.
Preferably, axial limiting hole is opened up on the gasket, the axial limiting hole is T shape counter sink.
Preferably, the groove with the valve block corresponding matching on control panel is opened up in the phaser rotor, when valve block controls
When C mouthfuls of openings of phaser, the valve block is opened towards phaser rotor axial direction, and passes through the groove in phaser rotor
Limit aperture of the valve block relative to control panel.
Compared with prior art, the beneficial effects of the present invention are: it is single by being arranged between central valve and phaser rotor
Phaser C mouthfuls is formed on valve and check valve, and is able to enter the hydraulic oil of C mouthfuls of phaser outflows into pressure chamber, but is pressed
Hydraulic oil in power room cannot enter in C mouthfuls of phaser, so as to provide more additional hydraulic oil for phaser, also
The hydraulic oil for flowing through camshaft phase converter can be recycled, significantly reduce engine motor oil consumption, and make cam
The response speed of axis phase converter is effectively promoted.
Detailed description of the invention
Fig. 1 is that (cross-sectional view, electromagnet are in power-off shape to a kind of organigram of camshaft phase converter system of the present invention
State).
Fig. 2 is the partial enlarged view in Fig. 1 at H.
Fig. 3 is the partial enlarged view in Fig. 1 at K.
Fig. 4 is that (cross-sectional view, electromagnet are in energization shape to a kind of organigram of camshaft phase converter system of the present invention
State).
Fig. 5 is the structural schematic diagram (being free of control panel) of the phaser in Fig. 1 or Fig. 4.
Fig. 6 is the structural schematic diagram (containing control panel) of the phaser in Fig. 1 or Fig. 4.
Fig. 7 is the three-dimensional perspective of the gasket in Fig. 1-Fig. 5.
Fig. 8 is the main view of gasket shown in Fig. 7.
Fig. 9 is the side view of gasket shown in Fig. 7.
Figure 10 is the structural schematic diagram of the control panel in Fig. 2 or Fig. 3 or Fig. 6.
Component token name claims in figure: 1- electromagnet, 2- front shroud, 3- gasket, 4- phaser stator, 5- back shroud, 6- phase
Position device rotor, 7- central valve, 8- camshaft, 9- control panel, 10- attachment screw, 11- hydraulic oil channel, the pressure chamber 12-A, 13-B
Pressure chamber, C mouthfuls of 31- phaser, 32- collecting tray, the circumferentially positioned hole 33-, 34- axial limiting hole, 35- installation through-hole, 41- stator
Blade, 61- the first rotor runner, the second rotor flow tract of 62-, A mouthfuls of 63- phaser, B mouthfuls of 64- phaser, 65- rotor blade,
70- valve shell, P mouthfuls of 71- central valve, C mouthfuls of 72- central valve, 73- spool, 74- valve pocket, 75- reset spring, A mouthfuls of 76- central valve,
B mouthfuls of 77- central valve, 78- limit convex shoulder, P mouthfuls of 81- camshaft, 91- valve block, the first valve block of 91a-, the second valve block of 91b-, 92- bullet
Property cantilever, the first elastic cantilever of 92a-, the second elastic cantilever of 92b-, 93- strip groove, the first strip groove of 93a-, 93b- Article 2
Shape slot, 94- assemble through-hole, 731- spool oil-through hole, the first hydraulic fluid port of 741- valve pocket, the second hydraulic fluid port of 742- valve pocket, 743- valve pocket the
Three hydraulic fluid ports.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawing and specific implementation
The present invention is described in detail for example.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
As shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, camshaft phase converter system shown in fig. 6 mainly include phaser, unidirectional
Valve, electromagnet 1, front shroud 2, back shroud 5 and central valve 7 and camshaft 8, the phaser include 4 He of phaser stator
Front shroud 2, back shroud 5, the front shroud 2, phase is respectively set in phaser rotor 6, the opposite sides of the phaser stator 4
It is fastenedly connected integrally between position device stator 4, back shroud 5 by attachment screw 10.It is respectively formed in the phaser rotor 6
The first rotor runner 61, the second rotor flow tract 62, phaser A mouth 63, phaser B mouth 64 and several rotor blades 65, when first
When rotor flow tract 61 is connected to phaser A mouth 63, second rotor flow tract 62 is connected to phaser B mouth 64；When first turn
When subflow road 61 is connected to phaser B mouth 64, then the second rotor flow tract 62 is connected to phaser A mouth 63.For convenience of description, it sets
The first rotor runner 61 is connected to phaser A mouth 63, and the second rotor flow tract 62 is connected to phaser B mouth 64.
Several stator vanes 41 are formed on the phaser stator 4, are formed between two adjacent stator vanes 41
Accommodate the accommodating chamber of rotor blade 65.The phaser rotor 6 is arranged in phaser stator 4 and determines at adjacent two
Blades 41, which are formed by receiving rotor blade 65, the phaser rotor 6 in accommodating chamber, to exist relative to phaser stator 4
Rotation in a certain range, so that rotor blade 65 be made to rotate relative to stator vane 41, rotation amplitude by with the rotor blade
65 two adjacent stator vanes 41 limit.When rotor blade 65 is rotated relative to stator vane 41, by rotor blade 65
Accommodating chamber where it is separated into the pressure chamber A 12 and the pressure chamber B 13, the pressure chamber A 12 and 63 phase of phaser A mouth
Logical, the pressure chamber B 13 is communicated with phaser B mouth 64.
The central valve 7 includes valve shell 70, spool 73, valve pocket 74 and reset spring 75, is distinguished on valve shell 70
Central valve P mouth 71, central valve C mouth 72, central valve A mouth 76 and central valve B mouth 77 are formed, phase is run through in one end of the valve shell 70
Position and is put in the hollow cavity of camshaft 8 device, and camshaft P mouth 81, P mouthfuls of the camshaft are formed on the camshaft 8
81 are interconnected with central valve P mouth 71.Spool oil-through hole 731 is formed on spool 73, and valve pocket the is respectively formed on valve pocket 74
One hydraulic fluid port 741, the second hydraulic fluid port of valve pocket 742, valve pocket third hydraulic fluid port 743；The valve pocket 74 is fixedly mounted on 70 one end of valve shell
Hollow cavity in, formed between the spool 73 and valve pocket 74 can opposite sliding be flexibly connected, in spool 73 and valve pocket 74
Between be arranged reset spring 75, also, between the valve pocket 74 and spool 73 formed hydraulic oil channel 11；The valve pocket
One hydraulic fluid port 741, central valve A mouth 76, phaser A mouth 63 are interconnected, second hydraulic fluid port of valve pocket 742, central valve B mouth 77,
Phaser B mouth 64 is interconnected, and the valve pocket third hydraulic fluid port 743 is connected to central valve C mouth 72.
Check valve is set between the central valve 7 and phaser rotor 6, forms phaser C mouth 31 on the check valve.
For the pressure chamber A 12, when electromagnet 1 is powered, as shown in figure 4, the spool 73 is under the driving of electromagnet 1 relative to valve
74 sliding of set, and pressed home spring 75, hydraulic oil is from the entrance of camshaft P mouth 81, followed by hydraulic oil channel 11, valve pocket the
One hydraulic fluid port 741, central valve A mouth 76, phaser A mouth 63 are flowed out subsequently into the first rotor runner 61 from phaser B mouth 64
Hydraulic oil followed by central valve B mouth 77, the second hydraulic fluid port of valve pocket 742, spool oil-through hole 731, central valve C mouth 72, subsequently into
In phaser C mouth 31.After electromagnet 1 powers off, as shown in Figure 1, the spool 73 is opposite under the action of reset spring 75
In 74 counter motion of valve pocket, until spool 73 resets, from the hydraulic oil of the entrance of camshaft P mouth 81, followed by hydraulic oil channel
11, the second hydraulic fluid port of valve pocket 742, central valve B mouth 77, phaser B mouth 64, subsequently into the second rotor flow tract 62, from central valve A
The hydraulic oil of 76 outflow of mouth are followed by the first hydraulic fluid port of valve pocket 741, spool oil-through hole 731, valve pocket third hydraulic fluid port 743, central valve C
Mouth 72, subsequently into phaser C mouth 31.
When the pressure in the pressure chamber A 12 is lower than the pressure in phaser C mouth 31, the check valve is opened, from phase
The hydraulic oil that device C mouth 31 flows out can enter in the pressure chamber A 12；But when the pressure in the pressure chamber A 12 is higher than phaser C
When pressure in mouthfuls 31, the closed check valve, the hydraulic oil in the pressure chamber A 12 cannot be entered in phaser C mouth 31.When
When pressure in the pressure chamber B 13 is lower than the pressure in phaser C mouth 31, the check valve is opened, and is flowed out from phaser C mouth 31
Hydraulic oil can enter in the pressure chamber B 13；But when the pressure in the pressure chamber B 13 is higher than the pressure in phaser C mouth 31
When, the closed check valve, the hydraulic oil in the pressure chamber B 13 cannot enter in phaser C mouth 31.
It can be seen that passing through setting one-way valve structures, it can be ensured that hydraulic oil can only flow into the pressure chamber inside phaser
In, and cannot be flowed out from pressure chamber, so as to provide more additional hydraulic oil for phaser, simultaneously, additionally it is possible to convection current
Hydraulic oil through camshaft phase converter recycles, and significantly reduces engine motor oil consumption, when there is more hydraulic oil
It can quickly timely enter in the pressure chamber of phaser, the inevitable response speed for being also able to ascend camshaft phase converter.
Embodiment 1
The first rotor runner 61 is communicated with the pressure chamber A 12,13 phase of the second pressure chamber rotor flow tract 62 and B
It is logical；The check valve is arranged two, and one of check valve is arranged between the first rotor runner 61 and phaser C mouth 31,
Another check valve is arranged between the second rotor flow tract 62 and phaser C mouth 31.It should be noted that the check valve at this can
It, can also be using the check valve as described in embodiment 2 to use any one check valve in the prior art.
Embodiment 2
As Figure 1-Figure 4, the check valve is fixed by valve shell 70 and the mutual cooperation of phaser rotor 6,
The check valve includes gasket 3 and control panel 9, and the control panel 9 is arranged between phaser rotor 6 and gasket 3, described
Gasket 3 compresses control panel 9.In general, limit convex shoulder 78 can be set in 70 other end of valve shell, it is right will pass through limit convex shoulder 78
Gasket 3 is limited, compresses operation.
The specific structure of the gasket 3 is respectively formed phaser C as shown in Fig. 7, Fig. 8, Fig. 9 on the main part of gasket 3
Mouthfuls 31, collecting tray 32, circumferentially positioned hole 33, axial limiting hole 34 and installation through-hole 35, the collecting tray 32 with phaser C mouthfuls
31 are interconnected.By the way that collecting tray 32 is arranged, the hydraulic fluid flow rate of phaser C mouth 31 can be improved, to be conducive to be promoted convex
The response speed of wheel shaft phase converter.Circumferentially positioned hole 33 therein preferably uses cylindrical hole structure, the axial limiting
Hole 34 preferably uses T shape countersunk head pore structure.By the way that circumferentially positioned hole 33, axial limiting hole 34, installation through-hole 35, Ke Yifang is arranged
The assembling work of mat piece 3, and be effectively prevented gasket 3 in the camshaft phase converter course of work and occur relative to control panel 9
Rotation.
As shown in Figure 10, the control panel 9 is connect by elastic cantilever 92 with valve block 91.In general, can be in control panel 9
On by opening up strip groove 93 directly form elastic cantilever 92 and valve block 91 so that valve block 91, elastic cantilever 92 and control
Integrated molding structure is formed between plate 9.It is designed using such structure, it is not only compact-sized, the processing is simple, implementation cost
It is low, and make the movement of valve block 91 sensitiveer, to keep control panel 9 relatively reliable to the one-way flow control of fluid.
When the pressure in pressure chamber is lower than the pressure in phaser C mouth 31, the valve block 91 controls phaser C mouth 31
It opens, the hydraulic oil for flowing out phaser C mouth 31 enters in pressure chamber after flowing through check valve；When the pressure in pressure chamber
When higher than pressure in phaser C mouth 31, the valve block 91 controls the closing of phaser C mouth 31, makes the hydraulic oil in pressure chamber
Check valve cannot be flowed through to enter in phaser C mouth 31.Particularly, can also be opened up in phaser rotor 6 on control panel 9
Valve block 91 correspond to each other the groove of cooperation, when valve block 91 controls the opening of phaser C mouth 31, the valve block 91 is towards phase
The axial direction of device rotor 6 is opened, also, the valve block 91 is at most extend into the groove in the phaser rotor 6, is passed through
Groove in the phaser rotor 6 is set, aperture of the valve block 91 relative to control panel 9 can be limited well, to realize limit
The aperture of check valve processed.
Embodiment 3
As Figure 1-Figure 4, the first rotor runner 61, the second rotor flow tract are respectively formed in the phaser rotor 6
62, the pressure chamber is separated into the pressure chamber A 12, the pressure chamber B 13 by rotor blade 65, the first rotor runner 61 with
The pressure chamber A 12 communicates, and second rotor flow tract 62 is communicated with the pressure chamber B 13.
The check valve includes gasket 3 and control panel 9, forms phaser C mouth 31, the control on the gasket 3
Plate 9 is connect with the first valve block 91a by the first elastic cantilever 92a, is connect by the second elastic cantilever 92b with the second valve block 91b,
Assembly through-hole 94 is opened up on control panel 9, the first valve block 91a, the second valve block 91b ring assembly through-hole 94 are distributed；It is preferred that
Ground can form the first elastic cantilever 92a and the first valve block 91a by opening up the first strip groove 93a on the control panel 9,
Similarly, the second elastic cantilever 92b and second can also be formed by opening up the second strip groove 93b on the control panel 9
Valve block 91b, as shown in Figure 10.
The control panel 9 is arranged between phaser rotor 6 and gasket 3, when the pressure in the pressure chamber A 12 is lower than phase
When pressure in device C mouth 31, the first valve block 91a control phaser C mouth 31 is opened, and makes the liquid of the outflow of phaser C mouth 31
Pressure oil is able to enter in the pressure chamber A 12 after flowing through check valve；When the pressure in the pressure chamber A 12 is higher than in phaser C mouth 31
When pressure, the first valve block 91a control phaser C mouth 31 is closed, and keeps the hydraulic oil in the pressure chamber A 12 unidirectional from flowing through
Valve enters in phaser C mouth 31.
When the pressure in the pressure chamber B 13 is lower than the pressure in phaser C mouth 31, the second valve block 91b controls phase
Position device C mouth 31 is opened, and the hydraulic oil for enabling phaser C mouth 31 to flow out enters in the pressure chamber B 13 after flowing through check valve.Work as B
When pressure in pressure chamber 13 is higher than the pressure in phaser C mouth 31, the second valve block 91b control phaser C mouth 31 is closed
It closes, enters the hydraulic oil in the pressure chamber B 13 in phaser C mouth 31 from flowing through check valve.
When the pressure at the pressure in the pressure chamber A 12 and the pressure chamber B 13 is all larger than phaser C mouth 31, described first
Valve block 91a, the second valve block 91b are close to gasket 3, and close phaser C mouth 31, and check valve at this time, which is in, completely closes shape
State, the hydraulic oil in the pressure chamber A 12 and the pressure chamber B 13 all will be unable to enter phaser C mouth 31 by check valve.
It can be seen that the check valve in present embodiment 3, is substantially the integrated of 2 individual check valves.Using this
The structure of sample designs, and not only makes the overall structure of camshaft phase converter system more compact, but also processing is easier, and is implemented as
This is also lower.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is noted that all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of camshaft phase converter system, including phaser and central valve (7), the phaser inside passes through phaser stator
(4) pressure chamber is formed with phaser rotor (6), it is characterised in that: be arranged between the central valve (7) and phaser rotor (6)
Check valve forms phaser C mouthfuls (31) on the check valve；When the pressure in pressure chamber is lower than the pressure in phaser C mouthfuls (31)
When power, the check valve is opened, and the hydraulic oil flowed out from phaser C mouthfuls (31) enters in pressure chamber；When in pressure chamber
When pressure is higher than the pressure in phaser C mouthfuls (31), the closed check valve, the hydraulic oil in pressure chamber cannot enter phase
In C mouthfuls of device of position (31).
2. a kind of camshaft phase converter system according to claim 1, it is characterised in that: the phaser rotor (6)
On be respectively formed the first rotor runner (61), the second rotor flow tract (62), the pressure chamber passes through rotor blade (65) and separates
At the pressure chamber A (12), the pressure chamber B (13), the first rotor runner (61) is communicated with the pressure chamber A (12), and described second
Rotor flow tract (62) is communicated with the pressure chamber B (13)；The check valve is arranged two, and one of check valve is arranged at first turn
Between subflow road (61) and C mouthfuls of phaser (31), another check valve is arranged the second rotor flow tract (62) and phaser C mouthfuls
(31) between.
3. a kind of camshaft phase converter system according to claim 1, it is characterised in that: the check valve includes gasket
(3) and control panel (9) C mouthfuls of phaser (31), are formed on the gasket (3), the control panel (9) passes through elastic cantilever (92)
It is connect with valve block (91), the control panel (9) is arranged between phaser rotor (6) and gasket (3)；When the pressure in pressure chamber
When power is lower than the pressure in phaser C mouthfuls (31), the valve block (91) controls phaser C mouthfuls (31) and opens, and makes C mouthfuls of phaser
(31) hydraulic oil flowed out enters in pressure chamber after flowing through check valve；When the pressure in pressure chamber is higher than phaser C mouthfuls (31)
In pressure when, the valve block (91) controls phaser C mouthful (31) and closes, and prevents the hydraulic oil in pressure chamber from flowing through unidirectionally
Valve enters in C mouthfuls of phaser (31).
4. a kind of camshaft phase converter system according to claim 3, it is characterised in that: lead on the control panel (9)
It crosses and opens up strip groove (93) formation elastic cantilever (92) and valve block (91).
5. a kind of camshaft phase converter system according to claim 1, it is characterised in that: the phaser rotor (6)
On be respectively formed the first rotor runner (61), the second rotor flow tract (62), the pressure chamber passes through rotor blade (65) and separates
At the pressure chamber A (12), the pressure chamber B (13), the first rotor runner (61) is communicated with the pressure chamber A (12), and described second
Rotor flow tract (62) is communicated with the pressure chamber B (13)；The check valve includes gasket (3) and control panel (9), the gasket (3)
C mouthfuls of upper formation phaser (31), the control panel (9) connect by the first elastic cantilever (92a) with the first valve block (91a),
It is connect by the second elastic cantilever (92b) with the second valve block (91b), assembly through-hole (94) is opened up on control panel (9), it is described
First valve block (91a), the second valve block (91b) ring assembly through-hole (94) distribution；The control panel (9) is arranged in phaser rotor
(6) between gasket (3), when the pressure in the pressure chamber A (12) is lower than the pressure in phaser C mouthfuls (31), described first
Valve block (91a) controls phaser C mouthfuls (31) and opens, and the hydraulic oil for flowing out phaser C mouthfuls (31) enters A after flowing through check valve
In pressure chamber (12)；When the pressure in the pressure chamber A (12) is higher than the pressure in phaser C mouthfuls (31), first valve block
(91a) controls phaser C mouthfuls (31) and closes, and the hydraulic oil in the pressure chamber A (12) is prevented to enter phaser C from flowing through check valve
In mouth (31)；When the pressure in the pressure chamber B (13) is lower than the pressure in phaser C mouthfuls (31), second valve block (91b)
Phaser C mouthfuls of control (31) is opened, and the hydraulic oil for flowing out phaser C mouthfuls (31) enters the pressure chamber B after flowing through check valve
(13) in；When the pressure in the pressure chamber B (13) is higher than the pressure in phaser C mouthfuls (31), the second valve block (91b) control
Phaser C mouthfuls (31) processed are closed, and the hydraulic oil in the pressure chamber B (13) is prevented to enter C mouthfuls of phaser (31) from flowing through check valve
In.
6. a kind of camshaft phase converter system according to claim 5, it is characterised in that: lead on the control panel (9)
It crosses and opens up the first strip groove (93a) formation the first elastic cantilever (92a) and the first valve block (91a).
7. a kind of camshaft phase converter system according to claim 5, it is characterised in that: lead on the control panel (9)
It crosses and opens up the second strip groove (93b) formation the second elastic cantilever (92b) and the second valve block (91b).
8. according to a kind of described in any item camshaft phase converter systems of claim 3-7, it is characterised in that: the gasket
(3) it is opened up on collecting tray (32), the collecting tray (32) is communicated with C mouthfuls of phaser (31).
9. according to a kind of described in any item camshaft phase converter systems of claim 3-7, it is characterised in that: the gasket
(3) it is opened up on axial limiting hole (34), the axial limiting hole (34) is T shape counter sink.
10. according to a kind of described in any item camshaft phase converter systems of claim 3-7, it is characterised in that: the phaser
The groove with valve block (91) corresponding matching on control panel (9) is opened up on rotor (6), when valve block (91) control phaser C mouthfuls
(31) when opening, the valve block (91) is opened towards phaser rotor (6) axial direction, and by phaser rotor (6)
Groove limitation valve block (91) aperture relative to control panel (9).
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| WO2021081749A1 (en) * | 2019-10-29 | 2021-05-06 | 舍弗勒技术股份两合公司 | Camshaft phaser and working method therefor |
| WO2023024120A1 (en) * | 2021-08-27 | 2023-03-02 | 舍弗勒技术股份两合公司 | Camshaft phase regulator |
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| Publication number | Publication date |
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| CN109538323B (en) | 2024-09-24 |
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