CN105604627A - Valve phase regulating device for engine - Google Patents
Valve phase regulating device for engine Download PDFInfo
- Publication number
- CN105604627A CN105604627A CN201410682427.4A CN201410682427A CN105604627A CN 105604627 A CN105604627 A CN 105604627A CN 201410682427 A CN201410682427 A CN 201410682427A CN 105604627 A CN105604627 A CN 105604627A
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- China
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- rotor
- oil groove
- lock pin
- camshaft
- rectangle
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Abstract
The invention relates to a valve phase regulating device for an engine. The valve phase regulating device comprises a back cover, a rotor and a cam shaft, wherein the back end of the back cover is connected with the rotor; the back end of the rotor is connected with the cam shaft; a lock pin mechanism is arranged on the rotor; the lock pin mechanism comprises a lock pin hole and a rectangular oil passing groove formed in one side of the lock pin hole; a special-shaped groove matched with the rectangular oil passing groove is formed in the back cover; the tail part of the lock pin hole is also provided with a lock pin hole tail oil groove matched with the rectangular oil passing groove. The valve phase regulating device has the advantages that in the rotating process of the rotor, when a certain angle is reached, the rectangular oil passing groove achieves an effect of connecting the special-shaped groove formed in the back cover and the lock pin hole tail oil groove formed in the rotor; the connected rectangular oil passing groove can help a lock pin to reduce the centrifugal force influence; the pin falling is easier; in addition, the mold formation is easy; the processing is simple.
Description
Technical field
The present invention relates to a kind of engine valve-control adjusting device, belong to ato unitContinuous variable timing system technical field.
Background technology
VVT technology has changed port timing in conventional engines and has immobilizedState, best valve timing is provided within the scope of engine operating condition, preferably solveThe contradiction of dynamic property and economy under high rotating speed and the slow-speed of revolution, large load and little load, simultaneouslyImprove to a certain extent toxic emission. Further, VVT skillArt can be used for reducing engine pumping loss and accelerate intake velocity, improves mixed gas quality, changesBecome coefficient of residual gas, improve the gas efficiency of spouting, finally improve the combustion process of engine, makePower, economy, emission performance and response performance are comprehensively improved. Apply this technology have withLower advantage:
(1) improve idle stability and low-speed stability;
(2) improve engine power and moment of torsion;
(3) expand engine speed range;
(4) reduce sub-load fuel consumption;
(5) improve toxic emission.
Valve-control reconditioner is made as the executing agency of VVT, this patent masterTell about the rotor of one of its building block. Acting as by epitrochanterian latch gear of rotorControl the angle that rotor regulates, adjust the merit of mechanism adjusting air valve angle to reach valve-controlEffect. In the time that valve-control adjustment mechanism is not worked, latch gear fixed rotor and sprocket wheel or bonnetDeng parts relative position. In the time that valve-control adjustment mechanism is started working, hydraulic oil promotes lockingPin, makes rotor and miscellaneous part remove stationary state. Rotor, under the promotion of hydraulic oil, drivesCamshaft rotates, thereby realizes the function of adjusting valve-control.
Existing latch gear is traditional straight oil groove (as shown in Figure 1), adjusts in valve-controlWhen joint mechanism works, because producing, the high pulling torque of camshaft transmission makes to form one on the each oil groove of rotorKind of radial centrifugal force, the formation of this centrifugal force will cause flowing to lockpin hole and help the machine oil of its lifting pinPressure reduces, and causes valve-control to adjust machine-processed Whole Response Speed Reduction.
Valve-control adjustment mechanism is installed on camshaft top, conventionally uses bolt by valve phasePosition is adjusted machine-processed rotor and camshaft and is linked together. Mating part when installation requires:Simple installation, seal tight; And coordinate closely this requirement with camshaft oil through positionThe accuracy of oil through position on rotor, has in a disguised form caused the difficulty of processing. Therefore, shouldProvide a kind of new technical scheme to address the above problem.
Summary of the invention
The object of the invention is: for above-mentioned deficiency, provide one reduce centrifugal forces affect withAnd the engine that can reduce difficulty of processing valve-control adjusting device.
For achieving the above object, the technical solution used in the present invention is:
A kind of engine valve-control adjusting device, comprises bonnet, rotor and camshaft, afterCover back-end is connected with rotor, and rotor rear end is connected with camshaft, and rotor is provided with latch gear,Latch gear comprises lockpin hole and the logical oil groove of the rectangle that is arranged on lockpin hole one side, and bonnet is provided withWith the special-shaped slot that the logical oil groove of described rectangle coordinates, lockpin hole afterbody is also provided with the logical oil groove of rectangle joinsThe lockpin hole afterbody oil groove closing.
Further technical scheme is:
The rectangle that is provided with of lockpin hole opposite side symmetry leads to oil groove.
Further technical scheme is:
The rotor inner hole root being connected with camshaft is connected annular oil groove.
Due to the application of technique scheme, the present invention compared with prior art has excellent as followsPoint:
In the process of 1, rotating at rotor, while reaching certain angle, the logical oil groove of rectangle can playConnect the lock effect of pin-and-hole afterbody oil groove of special-shaped slot on bonnet and rotor, the rectangle of connectionLogical oil groove can help lock pin to reduce centrifugal forces affect, more easily out of stock, and the processing of mould easy-formationSimply;
2, the logical oil groove of rectangle is all installed in the both sides of lockpin hole, has increased the application model of rotorEnclose, while setting up seated position difference due to valve-control reconditioner, can reach identical workEffect;
3, the effect of annular oil groove on the one hand makes to be installed to the area of endoporus on camshaft and subtractsLittle, make to install and be more prone to, secondly endoporus the shape and size that add circularity in man-hour with respect toWhen endoporus area is larger, more easily realize, and only need make it remain within the scope of certain size,Too low distortion and the mill that causes material while having avoided it to rotate on camshaft because of the strength of materialsDamage, therefore annular oil groove has reduced the difficulty of processing of rotor inner hole.
Brief description of the drawings
The structural representation that accompanying drawing 1 is prior art.
Accompanying drawing 2 is structural representation of the present invention.
Accompanying drawing 3 is cutaway view of the present invention.
In above accompanying drawing: 1, bonnet, 2, rotor, 3, camshaft, 4, lockpin hole, 5,Rectangle leads to oil groove, and 6, special-shaped slot, 7 lockpin hole afterbody oil grooves, 8, endoporus, 9, annular oilGroove.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment mono-:
As shown in Figure 2 to Figure 3, a kind of engine valve-control adjusting device of the present invention,Comprise bonnet 1, rotor 2 and camshaft 3, bonnet 1 rear end is connected with rotor 2, rotor 2Rear end is connected with camshaft 3, and rotor 2 is provided with latch gear, and latch gear comprises lockpin hole4 lead to oil groove 5 with the rectangle that is arranged on lockpin hole 4 one sides, and bonnet 1 is provided with and the logical oil of rectangleThe special-shaped slot 6 that groove 5 coordinates, lockpin hole 4 afterbodys are also provided with the lock coordinating with the logical oil groove 5 of rectanglePin-and-hole afterbody oil groove 7, in the process of rotating at rotor 2, while reaching certain angle, rectangle is logicalOil groove 5 can play the special-shaped slot 6 that connects on bonnet 1 and the rotor 2 pin-and-hole afterbody oil groove 7 of lockingEffect, the logical oil groove 5 of the rectangle of connection can help lock pin to reduce centrifugal forces affect, more easily out of stock,And the processing of mould easy-formation is simple.
The rectangle that is provided with of lockpin hole 4 opposite side symmetries leads to oil groove 5, in the both sides of lockpin hole 4The logical oil groove 5 of rectangle is all installed, has increased the range of application of rotor 2, due to valve-controlReconditioner can reach identical working effect while setting up seated position difference
Rotor 2 endoporus 8 roots that are connected with camshaft 3 are connected annular oil groove 9, annularThe effect of oil groove 9 reduces the area that is installed to endoporus 8 on camshaft 3 on the one hand, makes peaceDress is more prone to, secondly endoporus 8 in the shape and size that add circularity in man-hour with respect to 8 of endoporusWhen long-pending larger, more easily realize, and only need make it remain within the scope of certain size, avoided itToo low distortion and the wearing and tearing that cause material while rotation on camshaft 3 because of the strength of materials, therefore ringShape oil groove 9 has reduced the difficulty of processing of rotor inner hole 8.
The above is the preferred embodiment of the present invention, it should be pointed out that for thisThe those of ordinary skill of technical field, is not departing from principle of the present inventionUnder prerequisite, can also make some improvement or replacement, these improvement or replacement also shouldBe considered as protection scope of the present invention.
Claims (3)
1. an engine valve-control adjusting device, comprises bonnet, rotor and camshaft, instituteState rear cover back-end and be connected with rotor, described rotor rear end is connected with camshaft, it is characterized in that:Described rotor is provided with latch gear, and described latch gear comprises lockpin hole and is arranged on lockpin holeThe logical oil groove of rectangle of one side, described bonnet is provided with the abnormity coordinating with the logical oil groove of described rectangleGroove, described lockpin hole afterbody is also provided with the lockpin hole afterbody oil groove coordinating with the logical oil groove of rectangle.
2. a kind of engine valve-control adjusting device according to claim 1, its featureBe: the rectangle that is provided with of described lockpin hole opposite side symmetry leads to oil groove.
3. a kind of engine valve-control adjusting device according to claim 1, its featureBe: the rotor inner hole root being connected with described camshaft is connected annular oil groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410682427.4A CN105604627A (en) | 2014-11-24 | 2014-11-24 | Valve phase regulating device for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410682427.4A CN105604627A (en) | 2014-11-24 | 2014-11-24 | Valve phase regulating device for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105604627A true CN105604627A (en) | 2016-05-25 |
Family
ID=55984909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410682427.4A Pending CN105604627A (en) | 2014-11-24 | 2014-11-24 | Valve phase regulating device for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105604627A (en) |
-
2014
- 2014-11-24 CN CN201410682427.4A patent/CN105604627A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160525 |
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| WD01 | Invention patent application deemed withdrawn after publication |