CN100510351C - Continuous variable timing phase system of internal combustion engine - Google Patents
Continuous variable timing phase system of internal combustion engine Download PDFInfo
- Publication number
- CN100510351C CN100510351C CNB2007101512168A CN200710151216A CN100510351C CN 100510351 C CN100510351 C CN 100510351C CN B2007101512168 A CNB2007101512168 A CN B2007101512168A CN 200710151216 A CN200710151216 A CN 200710151216A CN 100510351 C CN100510351 C CN 100510351C
- Authority
- CN
- China
- Prior art keywords
- rotor
- stator
- hole
- timing phase
- cover plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002485 combustion reaction Methods 0.000 title description 3
- 238000007789 sealing Methods 0.000 claims description 14
- 239000010705 motor oil Substances 0.000 claims description 6
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000005336 cracking Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000010721 machine oil Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Landscapes
- Valve Device For Special Equipments (AREA)
Abstract
The invention relates to a continuously variable timing phase system of an I.C. engine which comprises a stator (8), a rotor (3), a functional lower cap board (10) partially serving as a driving wheel (1) and a hollow fasten bolt (6). The outer circle of the functional lower cap board (10) is of gear shape and driven by a crank axle of the engine through a gear-shaped belt and is fixed tightly with the stator (8) through fasten bolt (2). The hollow fasten bolt (6) integrates the rotor (3) and a camshaft (11) to lead the rotor (3) and the camshaft (11) to rotate together. The rotor (3) is positioned inside the stator (8) and at the same time goes through a through hole of the axis of the hollow fasten bolt (6) as an oil supply passage to cause the liquid at the two ends of the bolt to communicate with each other.
Description
Technical field
The present invention relates to a kind of IC engine continuously variable timing phase system, change opening or closing regularly of intake valve or exhaust valve according to engine working conditions.
Background technique
The transmission device of known valve distribution mechanism is made up of many parts, and because sealing requirements and complex structural designs, makes the manufacturing difficulty, and cost is very big, and the widespread adoption of VVT is restricted.
Summary of the invention
The invention provides a kind of IC engine continuously variable timing phase system, this system comprises: a stator, it comprises a perisporium and a sidewall, one end of perisporium and sidewall are one, the other end is an opening end, there is a diameter at the center of sidewall than the bigger through hole of hollow clamping bolt boundary dimension, has on the perisporium from the inwardly outstanding next door of this perisporium;
One rotor, it comprises with the basic of the front end sliding contact in described stator next door and is columniform main body, the outstanding fixed blade of this main body radially outward, and some moving vanes that radially inserts the rotor cylinder-shaped body; An end face of rotor docks with the end face of camshaft, and another end face centre bit is equipped with a circular groove, and the thickness of the degree of depth of groove and hollow clamping bolt is suitable, and the diameter of groove is greater than the external diameter of bolt; The centre bit of circular groove is equipped with a through hole that supplies the body of bolt to pass;
Fluid connection;
The one double functional lower cover plate of doing drive wheel, its excircle configuration is a profile of tooth, drives drive wheel by the moment of torsion that transmits from bent axle, finally drives stator and rotates together;
The sidewall of stator is as functional upper cover plate, is used for through hole on the sealed stator;
The timing system that stator next door, rotor blade, rotor cylinder-shaped body, stator perisporium, stator sidewall and functional lower cover plate form advance chamber and hysteresis chamber.
Be arranged on the rotor cylinder-shaped body, be positioned at first radial hole and second radial hole of blade both sides, first radial hole is the hole, right angle, is communicated with advance chamber or hysteresis chamber and camshaft end face; Second radial hole is a through hole, is communicated with advance chamber or hysteresis chamber, the groove of rotor and the axial hole of hollow clamping bolt.
Be arranged in the 3rd radial hole and the 4th radial hole of camshaft periphery, the 3rd radial hole is the hole, right angle, is communicated with the camshaft periphery and first radial hole; The 4th radial hole is a through hole, is communicated with camshaft periphery and camshaft bolt hole, and then is communicated with second radial hole by hollow clamping bolt axial hole and rotor recesses.
Stator contacts with the stator next door to determine with the fixed blade of the counterrotating maximum angle of rotor by integral type, and plug-in type moving vane and stator next door maintenance contactless state.
This system also comprises a lockable mechanism, this lockable mechanism comprises: run through the pin-and-hole that the rotor fixed blade axially forms, be positioned at the positioning hole of the corresponding initial position of lower cover plate, the lock pin body, adjust the spring of lock pin cracking pressure, the wear-resisting support of supported spring, and be arranged on lock pin exhaust passage on the rotor fixed blade.
Have the profiled seal groove on the stator, realize preventing the external leakage of IC engine continuously variable timing phase system at the lower cover plate place by adding special-shaped rubber seal.
Runner sealing adopts respectively at the stator position that contacts with rotor and adds that seal groove seals and in blade and stator contact structures, add leaf spring and adjust distance and pressure at the bottom of blade groove.
The double drive wheel of doing of functional lower cover plate of the present invention, rotor blade is divided into the fixed blade of integral type and the moving vane of piece insertion type, and the hollow clamping bolt both can play and connect rotor and camshaft, can play the effect of oil supply gallery again, therefore, the present invention is simple in structure, be easy to make, with low cost.
Device of the present invention, owing to have less part, and have simpler construction, process easily, reduced the manufacture cost of this system.
Description of drawings
Fig. 1: the sectional view that the C-C line in Fig. 2 is cut open;
Fig. 2: the sectional view that the A-A line in Fig. 1 is cut open;
Fig. 3: stator schematic representation;
Fig. 4: rotor schematic representation;
Fig. 5: functional lower cover plate schematic representation;
Fig. 6: the sectional view that the B-B line in Fig. 2 is cut open;
Description of reference numerals: 1-drive wheel; The 2-tight fixed bolt; The 3-rotor; The 4-seal ring;
5-rear end cover sealing nut; 6-camshaft hollow clamping bolt; 7-stator sidewall is (under functional
Cover plate); The 8-stator; The 9-seal ring; The functional lower cover plate of 10-; The 11-camshaft;
12.13,23-hydraulic pressure cavity dead volume; 14.15-stator next door; 16. second radial hole;
17-first radial hole; The 18-Sealing; The 19-rotor blade; The 20-locking mechanism;
21-rotor fixed blade; 22-opposite sex seal ring; The 24-hydraulic pressure cavity;
The positioning hole of the corresponding initial position of 25-; 26-lock pin exhaust passage;
The 27-blade groove; The 28-seal groove; The 29-tapped hole; 31-the 4th radial hole;
32-lock pin body; 33-adjusts lock pin; The wear-resisting support of 34-supported spring;
35-lock pin exhaust passage; The 36-pin hole; The 37-pin-and-hole; The 38-cylinder-shaped body;
The circumferential wall of 39-stator; 40-is by the hole of camshaft, 41-periphery of rotor wall;
Embodiment
With reference to the accompanying drawings to realizing that internal-combustion engine timing phase of the present invention system describes.
With reference to Fig. 1,2,3, this timing phase system comprises: stator 8, rotor 3, the double functional lower cover plate 10 of doing drive wheel 1, lower cover plate 10 excircle configurations are profile of tooth, and it is driven by the toothed belt (not shown) by the crankshaft of motor, tightens together through tight fixed bolt 2 and stator 8.
Be formed on stator next door 14,15, rotor blade 19,21 on the stator 8, the circumferential wall 39 of periphery of rotor wall 41 and stator and functional upper and lower cover plate 7,10 form advancing and the hysteresis chamber of timing system, by the entering and discharging of hydraulic oil, realize producing relative rotation between drive wheel 1 and the rotor 3.
With reference to Fig. 3, stator 8 comprises: a circumferential wall 39 and a sidewall 7 as upper cover plate, one end of sidewall 7 is an one with circumferential wall 39, the other end is an opening end, circumferentially has on the wall 39 from four inwardly outstanding roughly equally spaced stator next doors 14,15 with rounding off trapezoidal cross-section of this circumferential wall.
A stator sidewall 7 and a lock pin positioning hole 25 are formed the oil circuit that communicates with hydraulic pressure cavity 12; Simultaneously the sidewall 7 of stator is as functional upper cover plate, makes simple in structurely, guaranteed the sealing requirements of front shroud simultaneously.
With reference to Fig. 4, rotor 3 comprises: a cylinder-shaped body 38, and it is arranged in the middle body of stator, and has by the outer surface of Sealing 18 with the front end sliding contact of stator next door; Three blade grooves 27, they radially concave down from rotor subject, and an end of three moving vanes 19 lays respectively in the corresponding blade groove 28, the other end and the sliding contact of stator perisporium; Fixed blade 21 with the main body one, this blade have seal groove 28, the arc surface close with stator perisporium radius and are used for the hole 37 that lock pin is laid; While each blade both sides on main body are furnished with first radial hole 17 and second radial hole, 16, the first radial holes 17 are the hole, right angle, is communicated with rotor 3 end faces respectively and advances chamber or hysteresis chamber; Second radial hole 16 is a through hole, is communicated with the bolt hole of rotor 3 and advance chamber or hysteresis chamber respectively, is positioned at first radial hole 17 of moving vane both sides and the central axis that second radial hole 16 is parallel to moving vane respectively, reaches minimum flowed friction.
With reference to Fig. 5, double functional lower cover plate 10 cylindricals of doing drive wheel can be gear or sprocket wheel; Tapped hole 29 and the hole 40 by camshaft are arranged on functional lower cover plate.
With reference to Fig. 2,4,6, locking mechanism 20 is set, so that when engine start or engine motor oil underpressure, relatively rotating between restriction stator 8 and the rotor 3.Locking mechanism 20 comprises: run through the pin-and-hole 37 that rotor fixed blade 21 axially forms, be positioned at the positioning hole 25 of the corresponding initial position of lower cover plate, lock pin body 32, adjust the spring 33 of lock pin cracking pressure, the wear-resisting support 34 of supported spring and be arranged on lock pin exhaust passage 35 on the rotor fixed blade.
Stator next door 14,15 has groove with the position of rotor cylinder-shaped body 6 sliding contacts, is built-in with the Sealing 18 that is complementary with the rotor circular body, and Sealing 18 is pressed on the rotor circumference outside radially by the power of spring.Rotor fixed blade 21 has groove 28 with the position of stator sidewall sliding contact, is built-in with the Sealing 18 that is complementary with the stator perisporium, and Sealing is pressed on the stator side wall outside radially by the power of spring.Simultaneously, by on stator, opening seal groove and adding the external leakage that special-shaped seal ring 22 realizes preventing the lower cover plate place.
The front end of this internal-combustion engine variable timing phase system is with seal ring 4 and cover 5 and realize that front ends do not have external leakage.The step of rear end by lower cover plate realizes that the rear end do not have leakage, realized that whole variable timing phase system do not have external leaks.
Variable timing phase system design is located by the contacts side surfaces in two sides of rotor fixed blade 21 and adjacent two stator next doors when limit position, the moving vane 19 of rotor does not contact with stator next door 14,15, and the dead volume 23 that forms and 12 equates, guarantees timing system synchronous reaction under the hydraulic oil effect.Make simultaneously that in design respectively the volume in chamber or hysteresis chamber is identical in advance at diverse location.
The camshaft that is connected with the variable timing phase system is furnished with the 3rd radial hole 30 and the 4th radial hole 31 at periphery, the 3rd radial hole 30 is the hole, right angle, be communicated with camshaft periphery and camshaft end face respectively,, make to be communicated with first radial hole by in pin hole 36, pin being installed; The 4th radial hole 31 is communicated with camshaft periphery and camshaft bolt hole respectively, and is communicated with second radial hole 16.
When the variable timing phase system shifts to an earlier date phase place, the machine oil that has pressure that motor provides enters camshaft 11 through radial hole 30, machine oil through radial hole 30 enters in the radial hole 17 of rotor, pressure machine oil enters into the chamber of advancing from radial hole 17, the torque drive blade that engine oil pressure produces also drives rotor 3 rotations, because rotor and camshaft fuse by hollow clamping bolt 6, camshaft rotates together like this, realizes shifting to an earlier date of variable timing phase system phase place; Simultaneously, the machine oil in hysteresis chamber from the rotor that enters of radial hole 3, and partly enters radial hole 31 through the intermediate hollow of fixing bolt 6 under the extruding of blade, finally flow back into engine oil tank.
When variable timing phase system lagging phase, the machine oil that has pressure that motor provides enters camshaft 11 through radial hole 31, behind the camshaft hollow of the flowing through fastening screw keyhole, enter in the radial hole 16 of rotor, pressure machine oil enters into the hysteresis chamber from radial hole 16, the torque drive blade that engine oil pressure produces also drives rotor 3 to the rotation of hysteresis direction, and camshaft is realized the hysteresis of variable timing phase system phase place along with rotating together; Simultaneously, in advance the machine oil in chamber from the rotor that enters of radial hole 17, and flow back into engine oil tank through the radial hole 30 of camshaft 11 under the extruding of blade.
Claims (13)
1, a kind of IC engine continuously variable timing phase system comprises: stator (8), rotor (3), double functional lower cover plate (10) and the hollow clamping bolt (6) of doing drive wheel (1) is characterized in that:
Described stator (8) comprises a circumferential wall (39) and a sidewall as functional upper cover plate (7), circumferentially has on the wall (39) from the inwardly outstanding stator next door (14,15) of this circumferential wall;
Described rotor (3) comprises and described stator next door (14, the cylinder-shaped body (38) of front end sliding contact 15), periphery of rotor wall (41), with the outstanding fixed blade (21) of the radially outward of above-mentioned cylinder-shaped body (38) one, and some moving vanes (19) that radially inserts rotor cylinder-shaped body (38);
Described functional lower cover plate (10) excircle configuration is a profile of tooth, is driven by toothed belt by the crankshaft of motor, tightens together through tight fixed bolt (2) and stator (8);
Described hollow clamping bolt (6) fuses rotor (3) so that can rotate with camshaft (11), described rotor (3) is installed in the stator (8), the through hole that runs through described hollow clamping bolt (6) axis makes the two ends of this hollow clamping bolt (6) that fluid connection be arranged as oil supply gallery, stator next door (14,15), rotor blade (19,21), rotor cylinder-shaped body (38), periphery of rotor wall (41) and the circumferential wall of stator (39) and functional on, lower cover plate (7,10) the advance chamber and the hysteresis chamber of the described timing phase of formation system, by the entering and discharging of hydraulic oil, realize producing relative rotation between drive wheel (1) and the rotor (3).
2, timing phase as claimed in claim 1 system, it is characterized in that: described double functional lower cover plate (10) cylindrical of doing drive wheel is gear or sprocket wheel; Tapped hole (29) and the hole (40) by camshaft are arranged on the functional lower cover plate (10).
3, timing phase as claimed in claim 2 system is characterized in that: an end and the circumferential wall of described stator (39) as the sidewall (7) of functional upper cover plate are one, and the other end is an opening end.
4, timing phase as claimed in claim 3 system, it is characterized in that: described stator next door (14,15) are four, have the rounding off trapezoidal cross-section, and are inwardly outstanding and roughly uniformly-spaced arrange from the circumferential wall of described stator (39).
5, as claim 3 or 4 described timing phase systems, it is characterized in that: an end face of described rotor (3) docks with the end face of camshaft (11), another end face centre bit is equipped with a circular groove, the thickness of the degree of depth of groove and described hollow clamping bolt (6) is suitable, and the diameter of groove is greater than the external diameter of described hollow clamping bolt (6); The centre bit of groove is equipped with a through hole that supplies hollow fastening screw key to pass.
6, timing phase as claimed in claim 5 system is characterized in that: realize sealing at stator (8) and rotor (3) position that contacts by seal groove (28) and Sealing (18), adjust distance and pressure by add leaf spring at the bottom of seal groove.
7, timing phase as claimed in claim 6 system, it is characterized in that: stator next door (14,15) have groove with the position of rotor cylinder-shaped body (38) sliding contact and the position of rotor fixed blade (21) and the sliding contact of stator sidewall, as described seal groove (28), be built-in with the described Sealing (18) that is complementary with the circumferential wall of stator (39).
8, as claim 6 or 7 described timing phase systems, it is characterized in that: on rotor cylinder-shaped body (38), be furnished with first radial hole (17) and second radial hole (16) that are positioned at the blade both sides, first radial hole (17) is the hole, right angle, is communicated with rotor (3) end face respectively and advances chamber or hysteresis chamber; Second radial hole (16) is a through hole, is communicated with bolt hole and the hysteresis chamber or the chamber of advancing of rotor (3) respectively.
9, timing phase as claimed in claim 8 system, it is characterized in that: be furnished with the 3rd radial hole and the 4th radial hole at camshaft (11) periphery, the 3rd radial hole is the hole, right angle, is communicated with the camshaft periphery and first radial hole; The 4th radial hole is a through hole, is communicated with camshaft periphery and camshaft bolt hole, and is communicated with second radial hole.
10, as claim 1-4,9 each described timing phase systems, it is characterized in that: also comprise locking mechanism (20), so that when engine start or engine motor oil underpressure, relatively rotating between restriction stator (8) and the rotor (3), locking mechanism (20) comprising: run through the pin-and-hole (37) that rotor fixed blade (21) axially forms, be positioned at the positioning hole (25) of the corresponding initial position of functional lower cover plate (10), lock pin body (32), adjust the spring (33) of lock pin cracking pressure, the wear-resisting support (34) of supported spring and be arranged on lock pin exhaust passage (35) on the rotor fixed blade (21).
11, timing phase as claimed in claim 9 system, it is characterized in that: stator has the profiled seal groove on (8), by adding the external leakage that special-shaped rubber seal (22) prevents that IC engine continuously variable timing phase system from locating at functional lower cover plate (10).
12, timing phase as claimed in claim 11 system, it is characterized in that: stator (8) contacts with stator next door (14,15) to determine with the fixed blade (21) of the counterrotating maximum angle of rotor (3) by integral type, and plug-in type moving vane (19) keeps contactless state with stator next door (14,15).
13, timing phase as claimed in claim 9 system, it is characterized in that: described functional upper cover plate (7) is used for sealing the through hole on the described stator (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101512168A CN100510351C (en) | 2007-09-14 | 2007-09-14 | Continuous variable timing phase system of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101512168A CN100510351C (en) | 2007-09-14 | 2007-09-14 | Continuous variable timing phase system of internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101113691A CN101113691A (en) | 2008-01-30 |
| CN100510351C true CN100510351C (en) | 2009-07-08 |
Family
ID=39022197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101512168A Active CN100510351C (en) | 2007-09-14 | 2007-09-14 | Continuous variable timing phase system of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100510351C (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363334B (en) * | 2008-09-23 | 2011-02-02 | 力帆实业(集团)股份有限公司 | Admission cam shaft structure |
| JP4505546B1 (en) * | 2009-12-07 | 2010-07-21 | 正夫 櫻井 | Variable valve timing device |
| US8371257B2 (en) * | 2010-03-10 | 2013-02-12 | GM Global Technology Operations LLC | Engine with dual cam phaser for concentric camshaft |
| JP5929300B2 (en) * | 2011-08-08 | 2016-06-01 | 日産自動車株式会社 | Engine valve timing control device |
| DE102012211870A1 (en) * | 2012-07-06 | 2014-01-09 | Schaeffler Technologies AG & Co. KG | Hydraulic camshaft adjuster with central locking and adjustable locking clearance |
| CN105927308A (en) * | 2016-05-31 | 2016-09-07 | 绵阳富临精工机械股份有限公司 | Belt type cam phaser |
| CN110195624B (en) * | 2018-02-27 | 2022-05-17 | 博格华纳公司 | Cam phaser between cam bearings |
| CN108705088A (en) * | 2018-07-23 | 2018-10-26 | 江苏智造新材有限公司 | A kind of automobile VVT dry-type belts wheel stator and preparation method thereof |
-
2007
- 2007-09-14 CN CNB2007101512168A patent/CN100510351C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101113691A (en) | 2008-01-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100510351C (en) | Continuous variable timing phase system of internal combustion engine | |
| EP1828552B1 (en) | Vane-type phaser | |
| JP4930791B2 (en) | Valve timing control device | |
| US8627793B2 (en) | Control valve for use in valve timing control apparatus | |
| US8863709B2 (en) | Valve timing adjuster | |
| EP2711511B1 (en) | Zentriernut für einen Verbrennungsmotor | |
| JP4016020B2 (en) | Valve timing control device for internal combustion engine | |
| CN102191962A (en) | Engine with dual cam phaser for concentric camshaft | |
| EP2405107B1 (en) | Variable valve timing control apparatus | |
| US8752517B2 (en) | Impeller of a device for variable adjustment of the control times of gas exchange valves of an internal combustion engine | |
| CN101600856B (en) | Device for the combined locking and rotation angle limitation of a camshaft adjuster | |
| EP1357260B1 (en) | VCT lock pin having a tortuous path providing a hydraulic delay | |
| JP5991091B2 (en) | Valve timing control device | |
| CN104812996A (en) | Hydraulic camshaft adjuster with centre locking and adjustable locking play | |
| US5941203A (en) | Valve timing control device | |
| CN1330858C (en) | Valve timing control system of IC engine | |
| JP3871478B2 (en) | Valve timing changing device for internal combustion engine | |
| JP5279749B2 (en) | Valve timing control device for internal combustion engine | |
| JP3284924B2 (en) | Variable valve timing mechanism for internal combustion engine | |
| US6311656B1 (en) | Valve timing control apparatus for internal combustion engine | |
| JP5358499B2 (en) | Valve timing control device for internal combustion engine and method for manufacturing the same | |
| BR112017010038B1 (en) | ROTATING FLUID PRESSURE DEVICE | |
| JP2013245613A (en) | Valve timing control apparatus | |
| JP3627340B2 (en) | Valve timing control device | |
| CN205532749U (en) | Camshaft phase modifier and camshaft phase modulation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |