CN201269117Y - Continuous regulating mechanism for petrol engine air valve timing - Google Patents
Continuous regulating mechanism for petrol engine air valve timing Download PDFInfo
- Publication number
- CN201269117Y CN201269117Y CNU200820130946XU CN200820130946U CN201269117Y CN 201269117 Y CN201269117 Y CN 201269117Y CN U200820130946X U CNU200820130946X U CN U200820130946XU CN 200820130946 U CN200820130946 U CN 200820130946U CN 201269117 Y CN201269117 Y CN 201269117Y
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- cam shaft
- camshaft
- exhaust cam
- stator
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Abstract
The utility model discloses a valve timing continuous regulation device of a gasoline engine, which comprises an exhaust cam shaft and an admission cam shaft, and further comprises a stator connected on the exhaust cam shaft tightly, a shell matched with the periphery of the stator, a locking screw nut connected on the exhaust cam shaft at one side of the stator, an oil seal baffle plate sealing the other side of the shell, a driving gear connected with shell and the oil seal baffle plate and arranged on the exhaust cam shaft, a driven gear meshed with driving gear and arranged on the admission cam shaft, a cam bearing cap connected with ends of the exhaust cam shaft and the admission cam shaft and encircling the shell, and an electromagnetic valve arranged on the cam bearing cap. Aiming at the structure of the existing 3GA2 type gasoline engine, the improvement of the utility model is as follows: the valve timing continuous regulation device is added on the structure of the 3GA2 type gasoline engine, thus leading the gasoline engine to be capable of regulating the phase position of an intake valve cam shaft under different working conditions at any time, causing the gasoline engine to have good power output and achieving the effects of improving the performance of the gasoline engine and reducing exhaust.
Description
Technical field
The utility model belongs to the IC engine gas distribution parts, particularly relates to a kind of petrol engine of realizing under different operating modes, petrol engine continuous regulating mechanism valve timing that camshaft phase is different.
Background technique
Changeable air valve regularly (VVT-Variable Valve Timing) is at traditional fixed valve timing.In conventional fixed valve timing motor, the artificer has to trade off between numerous factors such as the fuel consume of motor, peak output, idle stability and emission performance, so that selected valve timing can satisfy motor requirement under the different operating modes simultaneously.To be petrol engine than Efficiency of Diesel Engine low very major reason exist very high pumping loss when the sub load to petrol engine efficient, by regulating the phase place timing of intake valve, can make petrol engine that smaller pumping loss is arranged under partial load condition, improve combustion process, make petrol engine under sub load, realize energy-conservation, as to reduce discharging purpose.
In order to realize the petrol engine air valve correct-timing variable, need to use a cover can under different operating modes, regulate the device of camshaft phase.The mechanism that is used for regulating valve-control at present mainly contains mechanical type, hydraulic type, electrolyte type etc., because electronic control technology is increasingly mature, valve control hydraulic type is regulated the principal mode that has become variable valve timing apparatus.
Present valve control hydraulic type is regulated the existing approved product of structure valve timing, but its structure does not have versatility, is not applicable to the valve timing adjusting apparatus of existing petrol engine 3GA2 type special construction.
Summary of the invention
The utility model provides a kind of improvement to existing petrol engine structure for solving the technical problem that exists in the known technology, makes petrol engine under different operating modes, petrol engine continuous regulating mechanism valve timing of adjustable camshaft phase place.
The technological scheme that the utility model is taked for the technical problem that exists in the solution known technology is: the utility model petrol engine continuous regulating mechanism valve timing, comprise: exhaust cam shaft, admission cam shaft also comprise: closely be connected the stator on the exhaust cam shaft; The shell that cooperates with the stator periphery; Be connected the locking nut on the stator one side exhaust cam shaft; The oil sealing baffle plate of closed casing opposite side; Be connected with shell, oil sealing baffle plate, and be contained in actuation gear on the exhaust cam shaft; With actuation gear engagement and be installed in driven gear on the admission cam shaft; Support exhaust cam shaft and admission cam shaft one end and surround the camshaft bearing lid of shell; Be installed in the solenoid valve that camshaft bearing covers;
Described shell is to have the hole in two different apertures and the housing of both ends open, the macropore inwall has a plurality of spaced apart, inwardly prominent also round-meshed boss in footpath, a locking hole is arranged at the bottom between two boss therein, and the pin tightened hole bottom is connected with a lock pin and opens passage;
Described stator is made up of a plurality of blades outwards outstanding on the circular body of axis hole and the main body the center, one location cotter way is arranged on the axis hole wall, be provided with the boss seal groove between the main body outer circumferential face upper blade, each blade both sides has the retardance chamber passage and the chamber passage of advancing on the main body, and each blade tip is provided with the body seal groove; Also be provided with the stator vent on the blade;
Stator is installed in the enclosure, and blade tip and shell macropore inwall are slidingly connected; Be formed with advance chamber and retardance chamber with stator vane in the space between the shell boss;
Between stator and shell, be provided with the axial locking structure; Locking mechanism is made up of the locking hole on the lock pin, back-up ring, stage clip and the shell that are contained in the stator locking pin-and-hole;
Described oil sealing baffle plate is connected with shell, with closed casing; The oil sealing baffle plate is provided with the baffle plate vent;
Be provided with a locating stud with stator axis hole binding site on the described exhaust cam shaft, locating stud cooperates with the positioning pin hole of stator;
Described actuation gear is provided with tapped hole and gear vent;
Described camshaft bearing covers and be provided with the solenoid valve mounting hole above the opposite side of intake cam shaft supporting part, is provided with two preceding oil inlet holes that communicate with it and retardance oilhole in it, and solenoid valve mounting hole top is provided with oil inlet hole;
Be provided with a draining hole that is communicated with it at solenoid valve mounting hole front end;
Outer circumferential face with the stator junction on the described exhaust cam shaft is formed with the 1st annular groove and the 2nd annular groove at interval;
In the 1st annular groove and the 2nd annular groove bottom, be respectively equipped with the 1st radial hole and the 2nd radial hole, the degree of depth of the 1st radial hole extends to the exhaust cam axis;
Be provided with the 1st axial bore that has same axis with exhaust cam shaft in the exhaust cam shaft exterior edge face, its degree of depth is from camshaft end to the 1 radial hole;
Be provided with two the 2nd axial bores of axis and the 1st axial bore parallel axes in the exhaust cam shaft exterior edge face, its degree of depth is from camshaft end to the 2 radial holes;
Be provided with the 3rd annular groove on the camshaft outer surface of exhaust cam shaft and camshaft bearing lid junction, its degree of depth makes it be communicated with the 2nd axial bore;
Be provided with the 3rd radial hole of axis and the 1st axial bore intersect vertical axis on the camshaft outer circumferential face of exhaust cam shaft and camshaft bearing lid junction, its degree of depth makes it be communicated with the 1st axial bore;
Camshaft bearing interior surface in exhaust cam shaft and camshaft bearing lid junction is provided with the 1st oil-through hole, and exhaust cam shaft is communicated with the 3rd annular groove with camshaft bearing lid assembling back;
Camshaft bearing interior surface in exhaust cam shaft and camshaft bearing lid junction is provided with the bearing cap oil groove, which is provided with the 2nd oil-through hole, and exhaust cam shaft is communicated with the 3rd radial hole with camshaft bearing lid assembling back;
Preceding oil inlet hole communicates with the 1st oil-through hole, and the retardance oilhole communicates with the 2nd oil-through hole;
Constitute a path by camshaft the 1st annular groove, camshaft the 1st radial hole, camshaft the 1st axial bore, camshaft the 3rd radial hole, bearing cap oil groove, the 2nd oil-through hole, retardance oilhole;
Constitute the another one path by camshaft the 2nd annular groove, camshaft the 2nd radial hole, camshaft the 2nd axial bore, camshaft the 3rd annular groove, the 1st oil-through hole, preceding oil inlet hole;
The utility model can also adopt following technical measures:
Stamping Steel Ribbon and Stamping Steel Ribbon stage clip are housed in the body seal groove of described each blade tip.
The number of described blade is 4.
Advantage and the good effect that the utlity model has are:
The utility model petrol engine continuous regulating mechanism valve timing is the improvement to existing 3GA2 type petrol engine structure, in order to improve the performance of 3GA2 type petrol engine, on existing 3GA2 type petrol engine structure, increase continuous regulating mechanism valve timing, make petrol engine under different operating modes, can regulate the admission cam shaft phase place at any time, petrol engine is realized good and economic, reduces the effect of discharging.
In addition, the utility model petrol engine continuous regulating mechanism valve timing also is applicable to and the close petrol engine of 3GA2 type petrol engine structure.
Description of drawings
Fig. 1 is the utility model continuous regulating mechanism valve timing STRUCTURE DECOMPOSITION figure;
Fig. 2 is the utility model continuous regulating mechanism valve timing erection drawing;
Fig. 3 is the utility model continuous regulating mechanism valve timing part sectioned view;
Fig. 4 is the A-A sectional drawing;
Fig. 5 is the sectional drawing of shell of the present utility model and stator locked position;
Fig. 6 is casing part figure of the present utility model;
Fig. 7 is the B-B sectional drawing;
Fig. 8 is a stator stereogram of the present utility model;
Fig. 9 is a stator sectional drawing of the present utility model;
Figure 10 is the C-C sectional drawing;
Figure 11 is a camshaft bearing lid stereogram of the present utility model;
Figure 12 is a camshaft parts drawing of the present utility model.
Critical piece symbol description in the accompanying drawing:
1: exhaust cam shaft 2: locking nut 3: admission cam shaft
4: camshaft bearing lid 5: actuation gear 7: driven gear
10: 12: the 1 annular grooves of 11: the 2 annular grooves of oil sealing baffle plate
13: shell 14: Stamping Steel Ribbon stage clip 15: Stamping Steel Ribbon
18: lock pin 19: stator 20: the retardance chamber passage
21: the chamber passage 22 of advancing: lock pin is opened passage 23: locking hole
24: regulate locating face 25: chamber 26 advances: the lock pin lubrication hole
27: location cotter way 28: 29: the 1 radial holes of retardance chamber
33: the 1 axial bores of 31: the 3 radial holes of 30: the 2 radial holes
35: the 3 annular grooves 37 of 34: the 2 axial bores: stator vent
38: solenoid valve 39: locking mechanism 40: circular hole
41: axis hole 42: main body 43: blade
44: body seal groove 45: boss seal groove 46: the locking pin-and-hole
47: back-up ring 48: stage clip 49: the solenoid valve mounting hole
50: retardance oilhole 51: 52: the 2 oil-through holes of preceding oil inlet hole
Oil-through hole 54 in 53: the 1: draining hole 55: oil inlet hole
56: the intake cam shaft supporting part
57: bearing cap oil groove 58: bolt 59: the baffle plate vent
60: gear vent 61: tapped hole 62: hole
Embodiment
Followingly the utility model is described in detail with reference to drawings and Examples.
The utility model continuous regulating mechanism valve timing, as shown in Figure 1 and Figure 2, Fig. 1 is the utility model continuous regulating mechanism valve timing STRUCTURE DECOMPOSITION figure; Fig. 2 is the utility model continuous regulating mechanism valve timing erection drawing.
The utility model continuous regulating mechanism valve timing comprises: exhaust cam shaft 1, admission cam shaft 3 also comprise:
Closely be connected the stator 19 on the exhaust cam shaft; The shell 13 that cooperates with the stator periphery; Be connected the locking nut 2 on the stator one side exhaust cam shaft; The oil sealing baffle plate 10 of closed casing opposite side; Be connected with shell, oil sealing baffle plate, and be contained in actuation gear 5 on the exhaust cam shaft; With actuation gear engagement and be installed in driven gear 7 on the admission cam shaft 3; Support exhaust cam shaft and admission cam shaft one end and surround the camshaft bearing lid 4 of shell; Be installed in the solenoid valve 38 that camshaft bearing covers.
Fig. 6 is casing part figure of the present utility model; Fig. 7 is the B-B sectional drawing.As Fig. 6, shown in Figure 7, described shell is to have the hole in two different apertures and the housing of both ends open, the macropore inwall has 4 spaced apart, inside boss 6 of dashing forward and circular hole 40 being arranged in footpath, a locking hole 23 is arranged at the bottom between two boss therein, and the pin tightened hole bottom is connected with a lock pin and opens passage 22.
Fig. 8 is a stator stereogram of the present utility model; Fig. 9 is a stator sectional drawing of the present utility model; Figure 10 is the C-C sectional drawing.
As Fig. 8, Fig. 9, shown in Figure 10, described stator is made up of a plurality of blades 43 outwards outstanding on the circular body 42 of axis hole 41 and the main body the center, one location cotter way 27 is arranged on the axis hole wall, be provided with boss seal groove 45 between the main body outer circumferential face upper blade, each blade both sides has the retardance chamber passage 20 and the chamber passage 21 of advancing on the main body, and each blade tip is provided with body seal groove 44.Stamping Steel Ribbon 15 and Stamping Steel Ribbon stage clip 14 are housed in the body seal groove.Also be provided with stator vent 37 on the blade, vent communicates with atmosphere.
Be provided with locking pin-and-hole 46 on blade, locking pin-and-hole side also is provided with a lock pin lubrication hole 26.The number of blade is 4.
Fig. 3 is the utility model continuous regulating mechanism valve timing part sectioned view; Fig. 4 is the A-A sectional drawing; Fig. 5 is the sectional drawing of shell of the present utility model and stator locked position.
As Fig. 3, Fig. 4, shown in Figure 5, stator is installed in the enclosure, and blade tip and shell macropore inwall are slidingly matched; Be formed with advance chamber 25 and retardance chamber 28 with stator vane in the space between the shell boss.
Between stator and shell, be provided with axial locking structure 39; Locking mechanism such as Fig. 3, Fig. 9, shown in Figure 7, locking mechanism is made up of the locking hole on the lock pin 18, back-up ring 47, stage clip 48 and the shell that are contained in the stator locking pin-and-hole 46.Said stator locking pin-and-hole is corresponding with the locking hole of shell.
After stator and shell assembling, insert in the shell locking hole lock pin end in the stator locking pin-and-hole, and stator is connected with shell locking.
Locking mechanism can guarantee the inlet and exhaust valve timing in the gasoline engine starting starting stage, realizes stable the startup.
Sectional drawing when Fig. 4 is in the enclosure maximal regulated position of A-A section stator, Fig. 5 is the sectional drawing of shell of the present utility model and stator locked position.
Position shown in Figure 5 is shell and stator locking state, and 24 for regulating locating face, and it is made up of the right flank of stator left surface and shell boss.
The variable angle scope in two locating faces and exhaust cam shaft axle center is 0 ° of-25 ° of degree.
When hydraulic oil enters the chamber that advances from the chamber passage of advancing, shell moves under the pressure effect of oil to the left, and the chamber that advances constantly enlarges, and block chamber simultaneously and constantly dwindle,
To the left with respect to blade rotation, because actuation gear and shell link together by bolt, so shell is together with actuation gear, driven gear and admission cam shaft rotation, and then adjusts the intake valve timing forward in the space of shell between boss.
Final shell right flank arrives and the limit position of regulating locating face 24, as shown in Figure 4.When shell moved, the oil in advance chamber and the retardance chamber flowed into or outflow by the retardance chamber passage and the chamber passage of advancing.
When hydraulic oil constantly flows into the retardance chamber from the retardance chamber passage, block chamber and enlarge, shell moves to the right, and the chamber that advances dwindles gradually, and final shell left surface arrives and regulates the limit position of locating face, as shown in Figure 5.Shell drives actuation gear and driven gear to counter-rotation, and then admission cam shaft is rotated adjust valve timing to regulating in the other direction.
Described oil sealing baffle plate is connected with circular hole on the shell, with closed casing.The oil sealing baffle plate is provided with baffle plate vent 59;
Described actuation gear is provided with tapped hole 61 and gear vent 60;
Pass circular hole 40 on the shell, hole 62 on the oil sealing baffle plate and the tapped hole 61 of actuation gear by bolt among Fig. 1 58, shell, oil sealing baffle plate and actuation gear are coupled together.
As shown in Figure 1, the gear vent of the baffle plate vent of the stator vent on the blade, oil sealing baffle plate and actuation gear communicates when lock pin is locked.
Be provided with a locating stud with stator axis hole binding site on the described exhaust cam shaft, locating stud cooperates with the location cotter way 27 of stator.
Figure 11 is a camshaft bearing lid stereogram of the present utility model; As shown in figure 11, the opposite side that described camshaft bearing covers at intake cam shaft supporting part 56 is provided with solenoid valve mounting hole 49, is provided with two preceding oil inlet holes that communicate with it 51 and retardance oilhole 50 in its hole, and solenoid valve mounting hole top is provided with oil inlet hole 55; Be provided with a draining hole 54 that is communicated with it in solenoid valve mounting hole front portion.
As Fig. 1, shown in Figure 11, on camshaft bearing lid and internal surface that exhaust cam shaft combines, be provided with a bearing cap oil groove 57, have on the bearing cap oil groove one with the other end of its 2nd oil-through hole 52, the 2 oil-through holes that intersect with block oilhole and communicate.
Also being provided with the other end perpendicular to the 1st oil-through hole 53, the 1 oil-through holes of internal surface on camshaft bearing lid and internal surface that exhaust cam shaft combines communicates with preceding oil inlet hole.
Solenoid valve is packed into from the open end of solenoid valve mounting hole.
Figure 12 is a camshaft parts drawing of the present utility model.As shown in figure 12, be formed with the 1st annular groove 12 and the 2nd annular groove 11 at interval with the outer circumferential face of stator junction on the described exhaust cam shaft.
In the 1st annular groove and the 2nd annular groove bottom, be respectively equipped with the 1st radial hole 29 and the 2nd radial hole 30, the degree of depth extends to the exhaust cam axis.
Be provided with the 1st axial bore 33 that has same axis with exhaust cam shaft in the exhaust cam shaft exterior edge face, its degree of depth is from camshaft end to the 1 radial hole.
Be provided with two the 2nd axial bores 34 of axis and the 1st axial bore parallel axes in the exhaust cam shaft exterior edge face, its degree of depth is from camshaft end to the 2 radial holes.
Be provided with the 3rd annular groove 35 on the camshaft outer surface of exhaust cam shaft and camshaft bearing lid junction, its degree of depth makes it be communicated with the 2nd axial bore.
Be provided with the 3rd radial hole 31 of axis and the 1st axial bore intersect vertical axis on the camshaft outer circumferential face of exhaust cam shaft and camshaft bearing lid junction, its degree of depth makes it just be communicated with the 1st axial bore.
Camshaft bearing interior surface in exhaust cam shaft and camshaft bearing lid junction is provided with the 1st oil-through hole 53, and after exhaust cam shaft and the assembling of camshaft bearing lid, the 1st oil-through hole is communicated with the 3rd annular groove.
As shown in Figure 1, the camshaft bearing interior surface in exhaust cam shaft and camshaft bearing lid junction also is provided with bearing cap oil groove 57, which is provided with the 2nd oil-through hole 52, and after exhaust cam shaft and the assembling of camshaft bearing lid, the 2nd oil-through hole is communicated with the 3rd radial hole.
Preceding oil inlet hole communicates with the 1st oil-through hole, and the retardance oilhole communicates with the 2nd oil-through hole.
Constitute a path by camshaft the 1st annular groove, camshaft the 1st radial hole, camshaft the 1st axial bore, camshaft the 3rd radial hole, bearing cap oil groove, the 2nd oil-through hole, retardance oilhole.
Constitute the another one path by camshaft the 2nd annular groove, camshaft the 2nd radial hole, camshaft the 2nd axial bore, camshaft the 3rd annular groove, the 1st oil-through hole, preceding oil inlet hole.
Working procedure to the utility model petrol engine continuous regulating mechanism valve timing describes below.
One, admission cam shaft shifts to an earlier date working condition valve timing:
When beginning to regulate valve-control, electromagnetic valve working fluid (hydraulic oil) is entered by oil inlet hole, by being built in the 3rd annular groove that forms between preceding oil inlet hole, the 1st oil-through hole, exhaust cam shaft and the camshaft bearing lid in the exhaust cam bearing lid, open passage through the chamber passage of advancing, lock pin that the 2nd axial bore to the 2 radial holes and the 2nd annular groove flow on the stator, under the oil pressure effect, lock pin is pushed back in the blade, removed the locking state of shell and stator.Continue fuel feeding to the chamber that advances.
Under the pressure effect of oil, shell rotates to the left in the chamber that advances, and drives actuation gear and driven gear rotates, and then admission cam shaft rotates and makes valve timing in advance.
Oil return circuit: the oil of retardance chamber arrives solenoid valve through retardance chamber passage to the 1 annular groove, the 1st radial hole, the 1st axial bore, the 3rd radial hole, bearing cap oil groove, the 2nd oil-through hole, the retardance oilhole of stator, is discharged by the draining hole.
Two, admission cam shaft is postponed working condition valve timing:
When postpone regulating valve timing, working fluid flows to shift to an earlier date direction valve timing opposite, and the intake valve phase angle is regulated in the other direction.
Electromagnetic valve hydraulic oil is entered by oil inlet hole, by the retardance oilhole in the exhaust cam bearing lid, to the 2nd oil-through hole, bearing cap oil groove, comes the 3rd radial hole, the 1st axial bore, the 1st annular groove, retardance chamber passage, arrives the retardance chamber.
Under the oil pressure effect of retardance in the chamber, shell rotates to the right, and drives actuation gear and driven gear rotates, and then admission cam shaft is rotated adjust valve timing and postpone.
Oil return circuit: the oil of the chamber that advances arrives solenoid valve through chamber passage to the 2 annular grooves that advance, the 2nd radial hole, the 2nd axial bore, the 3rd annular groove, the 1st oil-through hole, the preceding oil inlet hole of stator, is discharged by the draining hole.
Claims (3)
1, a kind of petrol engine continuous regulating mechanism valve timing, comprising: exhaust cam shaft, admission cam shaft is characterized in that also comprising: closely be connected the stator on the exhaust cam shaft; The shell that cooperates with the stator periphery; Be connected the locking nut on the stator one side exhaust cam shaft; The oil sealing baffle plate of closed casing opposite side; Be connected with shell, oil sealing baffle plate, and be contained in actuation gear on the exhaust cam shaft; With actuation gear engagement and be installed in driven gear on the admission cam shaft; Connect exhaust cam shaft and admission cam shaft one end and surround the camshaft bearing lid of shell; Be installed in the solenoid valve that camshaft bearing covers;
Described shell is to have the hole in two different apertures and the housing of both ends open, the macropore inwall has a plurality of spaced apart, inwardly prominent also round-meshed boss in footpath, a locking hole is arranged at the bottom between two boss therein, and the pin tightened hole bottom is connected with a lock pin and opens passage;
Described stator is made up of a plurality of blades outwards outstanding on the circular body of axis hole and the main body the center, one location cotter way is arranged on the axis hole wall, be provided with the boss seal groove between the main body outer circumferential face upper blade, each blade both sides has the retardance chamber passage and the chamber passage of advancing on the main body, and each blade tip is provided with the body seal groove; Also be provided with the stator vent on the blade;
Stator is installed in the enclosure, and blade tip and shell macropore inwall are slidingly connected; Be formed with advance chamber and retardance chamber with stator vane in the space between the shell boss;
Between stator and shell, be provided with the axial locking structure; Locking mechanism is made up of the locking hole on the lock pin, back-up ring, stage clip and the shell that are contained in the stator locking pin-and-hole;
Described oil sealing baffle plate is connected with shell, with closed casing; The oil sealing baffle plate is provided with the baffle plate vent;
Be provided with a locating stud with stator axis hole binding site on the described exhaust cam shaft, locating stud cooperates with the positioning pin hole of stator;
Described actuation gear is provided with tapped hole and gear vent;
Described camshaft bearing covers and be provided with the solenoid valve mounting hole above the opposite side of intake cam shaft supporting part, is provided with two preceding oil inlet holes that communicate with it and retardance oilhole in it, and solenoid valve mounting hole top is provided with oil inlet hole;
Be provided with a draining hole that is communicated with it at solenoid valve mounting hole front end;
Outer circumferential face with the stator junction on the described exhaust cam shaft is formed with the 1st annular groove and the 2nd annular groove at interval;
In the 1st annular groove and the 2nd annular groove bottom, be respectively equipped with the 1st radial hole and the 2nd radial hole, the degree of depth of the 1st radial hole extends to the exhaust cam axis;
Be provided with the 1st axial bore that has same axis with exhaust cam shaft in the exhaust cam shaft exterior edge face, its degree of depth is from camshaft end to the 1 radial hole;
Be provided with two the 2nd axial bores of axis and the 1st axial bore parallel axes in the exhaust cam shaft exterior edge face, its degree of depth is from camshaft end to the 2 radial holes;
Be provided with the 3rd annular groove on the camshaft outer surface of exhaust cam shaft and camshaft bearing lid junction, its degree of depth makes it be communicated with the 2nd axial bore;
Be provided with the 3rd radial hole of axis and the 1st axial bore intersect vertical axis on the camshaft outer circumferential face of exhaust cam shaft and camshaft bearing lid junction, its degree of depth makes it be communicated with the 1st axial bore;
Camshaft bearing interior surface in exhaust cam shaft and camshaft bearing lid junction is provided with the 1st oil-through hole, and exhaust cam shaft is communicated with the 3rd annular groove with camshaft bearing lid assembling back;
Camshaft bearing interior surface in exhaust cam shaft and camshaft bearing lid junction is provided with the bearing cap oil groove, which is provided with the 2nd oil-through hole, and exhaust cam shaft is communicated with the 3rd radial hole with camshaft bearing lid assembling back;
Preceding oil inlet hole communicates with the 1st oil-through hole, and the retardance oilhole communicates with the 2nd oil-through hole;
Constitute a path by camshaft the 1st annular groove, camshaft the 1st radial hole, camshaft the 1st axial bore, camshaft the 3rd radial hole, bearing cap oil groove, the 2nd oil-through hole, retardance oilhole;
Constitute the another one path by camshaft the 2nd annular groove, camshaft the 2nd radial hole, camshaft the 2nd axial bore, camshaft the 3rd annular groove, the 1st oil-through hole, preceding oil inlet hole.
2, petrol engine continuous regulating mechanism valve timing according to claim 1 is characterized in that in the body seal groove of each blade tip Stamping Steel Ribbon and Stamping Steel Ribbon stage clip being housed.
3, petrol engine continuous regulating mechanism valve timing according to claim 1, the number that it is characterized in that blade is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820130946XU CN201269117Y (en) | 2007-07-10 | 2008-07-09 | Continuous regulating mechanism for petrol engine air valve timing |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720096658.2 | 2007-07-10 | ||
| CN200720096658 | 2007-07-10 | ||
| CNU200820130946XU CN201269117Y (en) | 2007-07-10 | 2008-07-09 | Continuous regulating mechanism for petrol engine air valve timing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201269117Y true CN201269117Y (en) | 2009-07-08 |
Family
ID=40841716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820130946XU Expired - Fee Related CN201269117Y (en) | 2007-07-10 | 2008-07-09 | Continuous regulating mechanism for petrol engine air valve timing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201269117Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536371A (en) * | 2010-12-07 | 2012-07-04 | 百乐仕株式会社 | Seal mechanism |
| CN107869366A (en) * | 2016-09-22 | 2018-04-03 | 博格华纳公司 | roll forming hydraulic variable cam timing phaser |
-
2008
- 2008-07-09 CN CNU200820130946XU patent/CN201269117Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536371A (en) * | 2010-12-07 | 2012-07-04 | 百乐仕株式会社 | Seal mechanism |
| US9027931B2 (en) | 2010-12-07 | 2015-05-12 | Piolax, Inc. | Seal mechanism |
| CN102536371B (en) * | 2010-12-07 | 2015-11-18 | 百乐仕株式会社 | Sealing mechanism |
| CN107869366A (en) * | 2016-09-22 | 2018-04-03 | 博格华纳公司 | roll forming hydraulic variable cam timing phaser |
| CN107869366B (en) * | 2016-09-22 | 2022-03-22 | 博格华纳公司 | Rolling forming hydraulic variable cam timing phaser |
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