CN201218116Y - Variable valve timing distribution regulating mechanism - Google Patents
Variable valve timing distribution regulating mechanism Download PDFInfo
- Publication number
- CN201218116Y CN201218116Y CNU2008201141971U CN200820114197U CN201218116Y CN 201218116 Y CN201218116 Y CN 201218116Y CN U2008201141971 U CNU2008201141971 U CN U2008201141971U CN 200820114197 U CN200820114197 U CN 200820114197U CN 201218116 Y CN201218116 Y CN 201218116Y
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- stator
- rotor
- rudder sheet
- die cavity
- oil pocket
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Abstract
The utility model provides a gas-distribution adjusting device for timing the variable valve which is applied to the valve timing field of the automobile engine, when a rotor (2) counterclockwise rotates round a rotating shaft relatively to a stator (1), a helm plate (10c) of the rotor (2) keeps contact with the side face of an upper step (7) of a die-cavity helm plate of the stator (1) on the left side of the helm plate (10c), clearances are arranged between the rotor (2) and the side faces of other types of die-cavity helm plates; when the rotor (2) clockwise rotates round the rotating shaft relatively to the stator (1), a helm plate (10c) of the rotor (2) keeps contact with the side face of a die-cavity helm plate (6) of the stator (1) on the right side of the helm plate 10c, clearances are arranged between the rotor (2) and the side faces of other types of die-cavity helm plates. With the technical scheme of the utility model, the processing technique is simple, the cost is low, and the gas-distribution adjusting device system is more reliable and stable, since light materials are adopted, the weights of the rotor and the stator are obviously lightened, and the integral performance of the engine is improved.
Description
Technical field
The utility model relates to automotive engine valves timing field, more particularly, relates to a kind of distribution controlling device of adjusting the Variable Valve Time of camshaft angle of swing with respect to bent axle that has.
Background technique
Motor car engine Variable Valve Timing (VVT, Variable Valve Timing) is a kind of new technology that is applied to gradually in recent years on the Modern Car.Motor adopts Variable Valve Timing can improve the air inlet charge of motor, the air inlet volumetric efficiency is increased, the moment of torsion of motor and power can be further improved. and Fig. 5 shows is the disclosed a kind of internal-combustion engine that has the hydraulic pressure installation that is used to adjust the camshaft angle of swing of patent DE 10134320A1, and this device can change the phase place of camshaft with respect to bent axle.This device is made up of rotor (2) and stator (1), and rotor is anchored on camshaft by hollow bolt, and rotation synchronous with it has been rudder sheet 10a, 10b, 10c, 10d on rotor.Stator envelope rotor also rotates synchronously with timing sprocket by crank-driven.The part of this device is mainly by the powder metallurgy manufacturing of steel (perhaps iron) through oversintering or cutting.But this device causes thus: (1) is used for the very high quality of this device that angle of swing is adjusted, and rotary inertia is big; (2) add the very high processing cost of the expense of cutting man-hour at sintered part; (3) the undesirable oily external leakage of the sintered part of porous.Because in powder metallurgy, the density profile inequality, the part that wall thickness is thin, particularly aspect intensity and rigidity, be difficult to guarantee, and the complex model that has different packed heights usually has only and utilizes expensive core could realize on mould, made by quite heavy and solid parts mostly so be used to adjust the device of angle of swing up to now.Also there is similar problem in the device of cutting manufacturing, and complex model will bring very high cutting expense.That Fig. 6 shows is patent US6,615, and the disclosed similar device of 487B2, stator 1 rotates synchronously with driving gear by crank-driven, and rotor 2 rotates synchronously with camshaft.Yet the design collision plane of its rotor and stator (rotor and stator revolution to surface of contact) always cross its spin axis.Analyze to show that can to cause the moment moment of torsion thus bigger, and the perisporium Root Stress of stator die cavity is too concentrated during work, in addition, is subjected to the restriction of oil chamber volume, epitrochanterian oil circuit 5a, 5b, 5c and 5d are disturbed by the rudder sheet on the stator also can.
The model utility content
The distribution controlling device of a kind of Variable Valve Time of the utility model, its objective is: provide a kind of and can improve distribution adjustment system reliability and stability, and can reduce the processing technology requirement, save the distribution controlling device of the Variable Valve Time of cost, simultaneously, adopt lightweight material to make rotor and stator respectively, reduce the device quality, optimize the structural type of stator and rotor, made oil circuit more unimpeded.
The utility model is a kind of distribution controlling device of Variable Valve Time, comprise stator, rotor, the rotor that described distribution controlling device comprises two above rudder sheets sets out with respect to stator has rudder sheet and the stator side contacting structure that is less than rudder sheet sum after the running shaft clockwise direction rotates or counterclockwise rotates, described rotor and stator are at the face that circumferentially contacts, all be set to the structure of concavo-convex cooperation, comprise plural sealing fluid pumping cavity after the cooperation.
Described rotor with respect to stator when running shaft rotates counterclockwise, keep in touch the side that the stator die cavity rudder sheet in the rudder sheet 10c of rotor and its left side is topped bar, other die cavity rudder sheet 10b of rotor and stator, die cavity rudder sheet 10c sets out the gap between the side of die cavity rudder sheet 10d; Described rotor with respect to stator when running shaft clockwise rotates, keep in touch the side of the stator die cavity rudder sheet on the rudder sheet 10a of rotor and its right side, other die cavity rudder sheet 10b of rotor and stator, die cavity rudder sheet 10c sets out the gap between the side of die cavity rudder sheet 10d.
Described distribution controlling device comprises sealing fluid pumping cavity 11a, sealing fluid pumping cavity 11b, sealing fluid pumping cavity 11c and sealing fluid pumping cavity 11d and sealing fluid pumping cavity 16a, sealing fluid pumping cavity 16b, sealing fluid pumping cavity 16c and sealing fluid pumping cavity 16d, oil pocket 11a wherein, oil pocket 11b, oil pocket 11c and oil pocket 11d belong to same oil circuit fuel feeding, communicate oil pocket 16a, oil pocket 16b simultaneously, oil pocket 16c and oil pocket 16d belong to another oil circuit fuel feeding, communicate simultaneously.
Described rotor is set to protruding structure with stator die cavity rudder sheet at the face that circumferentially contacts.
Described stator is set to recessed structures with rotor die cavity rudder sheet at the face that circumferentially contacts, thereby matches with the structure of rotor die cavity rudder sheet.
At the described oil pocket 16a that leads between rotor and stator die cavity rudder sheet, oil pocket 16b processes step on the stator die cavity rudder sheet of oil pocket 16c and oil pocket 16d.
Set out the recessed semicircular fillet that seamlessly transits in the contacting point of described stator die cavity rudder sheet and stator die cavity wall.
Step side on the described rotor on rudder sheet side and the stator die cavity rudder sheet its surface of contact and put from rotor center between the straight line of rotor stator die cavity wall and set out angle β after contacting.
The radius that described stator die cavity fillet is provided with is between 1.5--5mm, and especially radius value is got 2mm.
Described rotor and stator all use the light alloy made.
Compared with prior art, adopt the technical solution of the utility model to have the following advantages:
(1) in industrial easy manufacturing, and processing technology is easy, and cost reduces;
(2), thereby make the distribution adjustment system have more reliability and stability by optimization to rotor and stator die cavity rudder chip architecture;
(3) owing to adopt lightweight material,, improved the overall performance of motor so the weight of rotor and stator obviously alleviates.
Description of drawings
Below expressed content of each accompanying drawing of this specification and the mark among the figure are made brief description:
Fig. 1 is the structure cross-sectional schematic of the distribution controlling device of a kind of Variable Valve Time of the utility model;
Fig. 2 is the structural representation of stator die cavity fillet of the present utility model;
Fig. 3 is that rotor of the present utility model contacts the structural representation that the back forms angle with stator;
Fig. 4 is the structure cross-sectional schematic of embodiment 2 of the present utility model;
Fig. 5 is the cross-sectional schematic of the existing disclosed distribution controlling device of patent DE 10134320A1;
Fig. 6 is existing patent US6,615, the structure cross-sectional schematic of the disclosed distribution controlling device of 487B2;
Be labeled as among the figure: 1, stator; 2, rotor; 5, rotor oil circuit; 6, stator die cavity rudder sheet; 7, the step on the stator die cavity rudder sheet; 8, the circumferential surface of contact of stator and rotor; 9, stator die cavity fillet; 10, die cavity rudder sheet; 11, sealing fluid pumping cavity; 12, stator die cavity wall; 13, rotor center point; 14, angle β; 15, the oilhole on the hollow bolt; 16, sealing fluid pumping cavity;
5a, oil circuit; 5b, oil circuit, 5c, oil circuit; 5d, oil circuit;
5e, oil trap;
6a, oil circuit; 6b, oil circuit; 6c, oil circuit; 6d, oil circuit;
10a, rudder sheet; 10b, rudder sheet; 10c, rudder sheet; 10d, rudder sheet;
11a, sealing fluid pumping cavity; 11b, sealing fluid pumping cavity; 11c, sealing fluid pumping cavity; 11d, sealing fluid pumping cavity;
16a, sealing fluid pumping cavity; 16b, sealing fluid pumping cavity; 16c, sealing fluid pumping cavity; 16d, sealing fluid pumping cavity.
Embodiment
Contrast accompanying drawing below, by description, the effect of the mutual alignment between the shape of embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and working principle etc. are described in further detail embodiment.
As shown in Figure 1, the utility model is a kind of distribution controlling device of Variable Valve Time, comprise stator 1, rotor 2, the rotor 2 that described distribution controlling device comprises two above rudder sheets (10) sets out with respect to stator 1 the rudder sheet that is less than rudder sheet sum and the structure of stator 1 contacts side surfaces after the running shaft clockwise direction rotates or counterclockwise rotates, the one side that described rotor 2 contacts with stator 1, be set to the structure of concavo-convex cooperation, comprise plural sealing fluid pumping cavity (11) and sealing fluid pumping cavity (16).
Described rotor 2 with respect to stator 1 when running shaft rotates counterclockwise, keep in touch top bar 7 side of the stator 1 die cavity rudder sheet in the rudder sheet 10c of rotor 2 and its left side, other die cavity rudder sheet 10b of rotor 2 and stator 1, die cavity rudder sheet 10c sets out the gap between the side of die cavity rudder sheet 10d; Described rotor 2 with respect to stator 1 when running shaft clockwise rotates, keep in touch the side of the rudder sheet 10a of rotor 2 and the stator on its right side 1 die cavity rudder sheet 6, other die cavity rudder sheet 10b of rotor 2 and stator 1, die cavity rudder sheet 10c sets out the gap between the side of die cavity rudder sheet 10d.
Described distribution controlling device comprises sealing fluid pumping cavity 11a, sealing fluid pumping cavity 11b, sealing fluid pumping cavity 11c and sealing fluid pumping cavity 11d and sealing fluid pumping cavity 16a, sealing fluid pumping cavity 16b, sealing fluid pumping cavity 16c and sealing fluid pumping cavity 16d, oil pocket 11a wherein, oil pocket 11b, oil pocket 11c and oil pocket 11d belong to same oil circuit fuel feeding, communicate oil pocket 16a, oil pocket 16b simultaneously, oil pocket 16c and oil pocket 16d belong to another oil circuit fuel feeding, communicate simultaneously.
Described rotor 2 is set to protruding structure with stator die cavity rudder sheet 6 at the face that circumferentially contacts.
Described stator 1 is set to recessed structures with rotor rudder sheet 6 at the face that circumferentially contacts, thereby matches with the structure of rotor die cavity rudder sheet 6.
At the described oil pocket 16a that leads between rotor and stator die cavity rudder sheet, oil pocket 16b processes the step 7 on the stator die cavity rudder sheet on the stator die cavity rudder sheet of oil pocket 16c and oil pocket 16d.
On stator 1 with rotor 2 contacting points processing stator die cavity rudder sheet 7, guarantee on the stator 1 with the little cylinder of rotor 2 at die cavity on surface of contact be unlikely to cause the leakage that exceeds standard, resistance was littler, more unimpeded when hydraulic oil flowed simultaneously.
Contacting point at described stator die cavity rudder sheet 6 and stator die cavity wall 12 sets out the recessed semicircular fillet that seamlessly transits 9.
Analyze demonstration, adopt stator die cavity fillet 9 place's maximum stress values of this structure obviously to reduce.
The radius that described stator die cavity fillet 9 is provided with is between 1.5--5mm, and especially radius value is got 2mm.
As shown in Figure 3, after rotor 2 and stator 1 assembling, its design collision plane its spin axis relatively turns over certain included angle β, can change the direction of the power that rotor 2 and stator 1 produced when impact like this, thereby reduce destrabilizing moment, improved reliability spin axis.
As shown in Figure 2, described stator die cavity fillet 9 radius Rs 2, its size should satisfy scope R2=R2/ (R1-R3)=0.1～0.5, here radius is got between the 1.5--5mm, avoids stress to concentrate, when particularly radius is got 2mm, stress disperses more obvious, has strengthened the reliability of system.
Described rotor 2 all uses the light alloy made with stator 1.
As rotor in the Variable Valve Time of motor car engine and stator, operating temperature and is born alternate torque load about 90--120 ℃, and its material can replace with aluminum alloy fully, cold-extrusion shaping, machining then.Rotor 2 is not limited to cold hobbing with stator 1, also can high pressure die casting.
As sealing fluid pumping cavity 11a, sealing fluid pumping cavity 11b, oil pressure is higher than hydraulic fluid chamber 16a among sealing fluid pumping cavity 11c and the sealing fluid pumping cavity 11d, oil pocket 16b, among oil pocket 16c and the oil pocket 16d during oil pressure, rotor 1 relative stator 2 clockwise rotates around spin axis, thereby makes camshaft phase in advance, otherwise, phase lag.
This pressure difference is regulated solenoid valve by the ECU control module according to engine operating condition and is realized.When according to engine operating condition, the lockable mechanism (not shown) did not play a role when ECU did not work, and above-mentioned rotor 2 and stator 1 rotate synchronously around spin axis.
In Fig. 1, the surface of contact of rotor and stator (is the surface of contact that shows the step (7) on rotor rudder sheet (10c) and the stator one rudder sheet among Fig. 1, be have collision to take place during contact) be its spin axis only, and the surface of contact of the structure of the embodiment 2 of Fig. 4 was spin axiss, so the structure of the embodiment 2 of Fig. 4 makes the breakdown torque of the active force relative rotation axi generation when colliding be greater than structure shown in Figure 1.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present utility model and technological scheme to carry out; or directly apply to other occasion without improvement, all within protection domain of the present utility model.
Claims (10)
1, a kind of distribution controlling device of Variable Valve Time, comprise stator (1), rotor (2), it is characterized in that: the rotor (2) that described distribution controlling device comprises two above rudder sheets (10) sets out the structure that the rudder sheet (6) that is less than rudder sheet sum and stator (1) contacts side surfaces are arranged after the running shaft clockwise direction rotates or counterclockwise rotates with respect to stator (1), the one side that described rotor (2) contacts with stator (1), be set to the structure of concavo-convex cooperation, comprise plural sealing fluid pumping cavity (11) and sealing fluid pumping cavity (16).
2, according to the distribution controlling device of the described a kind of Variable Valve Time of claim 1, it is characterized in that: described rotor (2) with respect to stator (1) when running shaft rotates counterclockwise, keep in touch the top bar side of (7) of the rudder sheet (10c) of rotor (2) and stator (1) the die cavity rudder sheet in its left side, other die cavity rudder sheet (10b) of rotor (2) and stator (1), die cavity rudder sheet (10c) sets out the gap between the side of die cavity rudder sheet (10d); Described rotor (2) with respect to stator (1) when running shaft clockwise rotates, the rudder sheet (10a) of rotor (2) keeps in touch with the side of stator (1) the die cavity rudder sheet (6) on its right side, other die cavity rudder sheet (10b) of rotor (2) and stator (1), die cavity rudder sheet (10c) sets out the gap between the side of die cavity rudder sheet (10d).
3, distribution controlling device according to the described a kind of Variable Valve Time of claim 1, it is characterized in that: described distribution controlling device comprises sealing fluid pumping cavity (11a), sealing fluid pumping cavity (11b), sealing fluid pumping cavity (11c) and sealing fluid pumping cavity (11d) and sealing fluid pumping cavity (16a), sealing fluid pumping cavity (16b), sealing fluid pumping cavity (16c) and sealing fluid pumping cavity (16d), oil pocket (11a) wherein, oil pocket (11b), oil pocket (11c) and oil pocket (11d) belong to same oil circuit fuel feeding, communicate simultaneously, oil pocket (16a), oil pocket (16b), oil pocket (16c) and oil pocket (16d) belong to another oil circuit fuel feeding, communicate simultaneously.
4, according to the distribution controlling device of the described a kind of Variable Valve Time of claim 1, it is characterized in that: described rotor (2) is set to protruding structure with stator die cavity rudder sheet (6) at the face that circumferentially contacts.
5, according to the distribution controlling device of the described a kind of Variable Valve Time of claim 1, it is characterized in that: the rudder sheet (10a) on described stator (1) and the rotor (2), rudder sheet (10b), rudder sheet (10c), rudder sheet (10d) is set to recessed structures at the face of circumferentially contact, thereby matches with the structure of stator die cavity rudder sheet (6).
6, according to the distribution controlling device of the described a kind of Variable Valve Time of claim 1, it is characterized in that: at the described oil pocket (16a) that leads between rotor and stator die cavity rudder sheet, oil pocket (16b) processes the step (7) on the stator die cavity rudder sheet on the stator die cavity rudder sheet of oil pocket (16c) and oil pocket (16d).
7, according to the distribution controlling device of the described a kind of Variable Valve Time of claim 1, it is characterized in that: the contacting point at described stator die cavity rudder sheet (6) and stator die cavity wall (12) sets out the recessed semicircular fillet that seamlessly transits (9).
8, according to the distribution controlling device of the described a kind of Variable Valve Time of claim 1, it is characterized in that: described rotor (2) is gone up step (7) side on rudder sheet (10c) side and the stator die cavity rudder sheet and set out angle β (14) its surface of contact and the straight line from rotor center point (13) to rotor stator die cavity wall (12) after being contacted.
9, according to the distribution controlling device of the described a kind of Variable Valve Time of claim 7, it is characterized in that: the radius that described stator die cavity fillet (9) is provided with is between 1.5--5mm, and especially radius value is got 2mm.
10, according to the distribution controlling device of the described a kind of Variable Valve Time of claim 1, it is characterized in that: described rotor (2) all uses the light alloy made with stator (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201141971U CN201218116Y (en) | 2008-05-27 | 2008-05-27 | Variable valve timing distribution regulating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201141971U CN201218116Y (en) | 2008-05-27 | 2008-05-27 | Variable valve timing distribution regulating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218116Y true CN201218116Y (en) | 2009-04-08 |
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ID=40540953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201141971U Expired - Fee Related CN201218116Y (en) | 2008-05-27 | 2008-05-27 | Variable valve timing distribution regulating mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN201218116Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102648339A (en) * | 2009-11-27 | 2012-08-22 | 谢夫勒科技股份两合公司 | Device for variably adjusting the control times of gas exchange valves of an internal combustion engine |
| CN106368759A (en) * | 2015-07-24 | 2017-02-01 | 胡斯可汽车控股有限公司 | System for varying cylinder valve timing in an internal combustion engine |
| CN110730856A (en) * | 2017-06-19 | 2020-01-24 | 舍弗勒技术股份两合公司 | Hydraulic camshaft adjuster and method for operating a hydraulic camshaft adjuster |
-
2008
- 2008-05-27 CN CNU2008201141971U patent/CN201218116Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102648339A (en) * | 2009-11-27 | 2012-08-22 | 谢夫勒科技股份两合公司 | Device for variably adjusting the control times of gas exchange valves of an internal combustion engine |
| CN102648339B (en) * | 2009-11-27 | 2014-08-20 | 谢夫勒科技股份两合公司 | Device for variably adjusting the control times of gas exchange valves of an internal combustion engine |
| CN106368759A (en) * | 2015-07-24 | 2017-02-01 | 胡斯可汽车控股有限公司 | System for varying cylinder valve timing in an internal combustion engine |
| CN106368759B (en) * | 2015-07-24 | 2020-08-04 | 胡斯可汽车控股有限公司 | System for varying cylinder valve timing in an internal combustion engine |
| CN110730856A (en) * | 2017-06-19 | 2020-01-24 | 舍弗勒技术股份两合公司 | Hydraulic camshaft adjuster and method for operating a hydraulic camshaft adjuster |
| CN110730856B (en) * | 2017-06-19 | 2022-02-01 | 舍弗勒技术股份两合公司 | Hydraulic camshaft adjuster and method for operating a hydraulic camshaft adjuster |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20140527 |