CN106051076B - A kind of timing chain transmission mechanism - Google Patents
A kind of timing chain transmission mechanism Download PDFInfo
- Publication number
- CN106051076B CN106051076B CN201610525989.7A CN201610525989A CN106051076B CN 106051076 B CN106051076 B CN 106051076B CN 201610525989 A CN201610525989 A CN 201610525989A CN 106051076 B CN106051076 B CN 106051076B
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- CN
- China
- Prior art keywords
- guide rail
- dynamic guide
- chain
- transmission mechanism
- movable part
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/06—Gearings for conveying rotary motion by endless flexible members with chains
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/348—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear by means acting on timing belts or chains
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The present invention provides a kind of timing chain transmission mechanisms, it include crankshaft sprocket, dmission cam shaft sprocket wheel, exhaust cam shaft sprocket wheel and be centered around the crankshaft sprocket, the dmission cam shaft sprocket wheel and exhaust cam shaft sprocket wheel chain, the timing chain transmission mechanism further includes the first dynamic guide rail, the second dynamic guide rail and Dual directional tightener, the first dynamic guide rail and the second dynamic guide rail are oppositely arranged on the outside of the chain, and the Dual directional tightener is clamped in the described first dynamic guide rail and the described second dynamic guide rail outside.The timing chain transmission mechanism for implementing the present invention, has the following advantages that:Pass through the cooperation of the first dynamic guide rail and the second dynamic guide rail and Dual directional tightener, reduce the intensity requirement of the chain in timing chain transmission mechanism, reduce the inter deterioration of chain, simultaneously because the timing chain transmission mechanism of the present invention remains appropriate tightness in work operation process chain, the problem of chain excessively relaxation occur and swinging is avoided, vibrations and the noise of engine are reduced.
Description
Technical field
The present invention relates to automotive fields, and in particular to a kind of timing chain transmission mechanism.
Background technology
In the engine working process of motor vehicle, air inlet, compression, acting, exhaust Four processes constantly occur in cylinder,
And the opportunity of each step will match with the motion state of piston and position, so that air inlet and exhaust and piston is lifted mutual
Coordinate, by timing driving system, strength is passed into camshaft under the drive of bent axle, the inlet and outlet door of engine is made to exist
It is turned on and off when appropriate, ensures that cylinder being capable of normal suction and exhaust.
In the prior art, it is all to use chain drive that the timing driving system of engine is most of, as shown in figure 3, Fig. 3 is shown
A kind of timing chain transmission mechanism of conventional engine.The mechanism includes camshaft sprocket 36, valve timing adjuster and song
Axis timing sprocket 35;Straddle mounting chain 32 on the camshaft sprocket 36, adjuster gear 31 and crankshaft timing sprocket 35;It is described convex
The outside cooperation of chain between wheel shaft sprocket wheel 36 and crankshaft timing sprocket 35 is equipped with dynamic rail 33;The outside of dynamic rail 33 is equipped with automatic
Stretcher 37, automatic tensioner 37 are located at 33 free end of dynamic rail at lower end.The adjuster gear 31 and crankshaft timing chain
The outside cooperation of chain between wheel 35 is equipped with orbit determination 34;Connect for interference fit between the crankshaft timing sprocket 35 and bent axle
It connects;The top of crankshaft timing sprocket 35 is equipped with atomizer, the oil leab connection in one end and cylinder body of atomizer, the other end pair
The engagement place of quasi- crankshaft timing sprocket 35 and chain 32.
Inventor has found that conventional chaindriven mechanism all includes a movable guiding rail and one when researching and developing the invention
Item fixes guide rail, and in system operation process, fixed guide rail is fixed, is connected to chain stress on fixed guide rail and is fixed
Guide rail, and fix guide rail and give chain one prodigious reaction force, therefore, the chain strength requirement of conventional chaindriven mechanism
Very big, weight is also very heavy.And when chain does not stress loose, fixed guide rail can not be tensioned in time, and chain is caused excessively to relax,
Thus chain generation swings the fixed guide rail of percussion and generates noise.
Invention content
Present invention aims at a kind of timing chain transmission mechanism is provided, existing timing chain transmission mechanism can be solved and deposited
The problem of, effectively reduce timing chain transmission mechanism in chain intensity requirement, and reduce chain inter deterioration and start
The noise of machine.
To achieve the goals above, the present invention provides a kind of timing chain transmission mechanisms comprising crankshaft sprocket, air inlet are convex
Wheel shaft sprocket wheel, exhaust cam shaft sprocket wheel and be centered around the crankshaft sprocket, the dmission cam shaft sprocket wheel and it is described exhaust it is convex
The chain of wheel shaft sprocket wheel, which is characterized in that the timing chain transmission mechanism further includes the first dynamic guide rail, the second dynamic guide rail and two-way
Stretcher, the first dynamic guide rail and the second dynamic guide rail are oppositely arranged on the outside of the chain, the two-way tensioning
Device is clamped in the outside of the described first dynamic guide rail and the described second dynamic guide rail.
As an improvement of the above technical solution, one end of the described first dynamic guide rail is equipped with the first articulated section, and described first is dynamic
The other end of guide rail constitutes the first movable part, and first movable part can surround first articulated section and rotate;Described second is dynamic
One end of guide rail is equipped with the second articulated section, and the other end of the second dynamic guide rail constitutes the second movable part, second movable part
Second articulated section can be surrounded to rotate.
As an improvement of the above technical solution, the described first dynamic guide rail and the second dynamic guide rail and the chain contact
Side is arc-shaped shape.
As an improvement of the above technical solution, the Dual directional tightener is clamped in the first movable part of the described first dynamic guide rail
With the outside of the second movable part of the described second dynamic guide rail.
As an improvement of the above technical solution, the Dual directional tightener is clamped in the first movable part of the described first dynamic guide rail
The upper end far from first articulated section and separate second articulated section on the second movable part of the described second dynamic guide rail
The outside of end.
As an improvement of the above technical solution, the Dual directional tightener includes Dual directional tightener ontology and two plungers, institute
State the both ends that two plungers are oppositely arranged on the Dual directional tightener ontology, described two plungers and the Dual directional tightener ontology
Cooperatively form holding part;Second movable part of the first movable part of the first dynamic guide rail and the second dynamic guide rail is arranged in institute
It states in holding part and offsets respectively with described two plungers.
As an improvement of the above technical solution, the both ends of the Dual directional tightener ontology connect punishment with described two plungers
Not She You the first accumulator and the second accumulator, connection first accumulator and the are additionally provided in the Dual directional tightener ontology
The oil duct of two accumulators.
As an improvement of the above technical solution, the of the first movable part of the described first dynamic guide rail and the second dynamic guide rail
The top to offset with described two plungers is respectively equipped on two movable parts.
As an improvement of the above technical solution, the described first dynamic guide rail setting be connected to the exhaust cam shaft sprocket wheel with
On on the outside of chain between the crankshaft sprocket, the second dynamic guide rail setting is being connected to the dmission cam shaft sprocket wheel and institute
It states on the outside of the chain between crankshaft sprocket.
As an improvement of the above technical solution, it is arranged above the dmission cam shaft sprocket wheel and the exhaust cam shaft sprocket wheel
Have and determines guide rail, it is described to determine guide rail and be in contact with the chain.
A kind of timing chain transmission mechanism for implementing the present invention has the advantages that compared with prior art:This is just
When chain-drive mechanism provided support to chain by the first dynamic guide rail and the second dynamic guide rail and be oriented to, Dual directional tightener cooperation first is dynamic
The support and guiding of guide rail and the second dynamic guide rail to chain, when coordinating chain segment stress with the second dynamic guide rail and be tensioned, second
Dynamic guide rail moves through Dual directional tightener and drives the first dynamic guide rail movement, the chain for making the chain segment of stress loosen, not stress
Section tightening, vice versa.To reduce the intensity requirement of the chain in timing chain transmission mechanism, reduce the inside mill of chain
Damage is kept away simultaneously because the timing chain transmission mechanism of the present invention remains appropriate tightness in work operation process chain
The problem of having exempted from chain excessively relaxation occur and swing, thus reduce vibrations and the noise of engine.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will simply be situated between to the attached drawing of embodiment below
It continues.
Fig. 1 is a kind of structural schematic diagram of timing chain transmission mechanism provided in an embodiment of the present invention;
Fig. 2 is Dual directional tightener structural schematic diagram provided in an embodiment of the present invention;
Fig. 3 is a kind of structural schematic diagram of the timing chain transmission mechanism of conventional engine.
Wherein:1- first moves guide rail;The first articulated sections 11-;The first movable parts of 12-;2- second moves guide rail;21- second is cut with scissors
Socket part;The second movable parts of 22-;3- dmission cam shaft sprocket wheels;4- exhaust cam shaft sprocket wheels;5- chains;6- Dual directional tighteners;61-
First plunger;The first accumulators of 611-;The second plungers of 62-;The second accumulators of 622-;63- Dual directional tightener ontologies;631- oil
Road;64- holding parts;7- crankshaft sprockets;8- determines guide rail.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Shown in Fig. 1 to Fig. 2, the present invention provides a kind of timing chain transmission mechanisms comprising crankshaft sprocket 7, air inlet
Camshaft sprocket 3, exhaust cam shaft sprocket wheel 4 and it is centered around the crankshaft sprocket 7, the dmission cam shaft sprocket wheel 3 and described
The chain of exhaust cam shaft sprocket wheel 4, the timing chain transmission mechanism further include the first dynamic guide rail 1, the second dynamic guide rail 2 and two-way
Tight device 6, the first dynamic guide rail, 1 and second dynamic guide rail 2 are oppositely arranged on the outside of the chain 5, the Dual directional tightener 6
It is clamped in the outside of the described first dynamic guide rail 1 and the described second dynamic guide rail 2.The timing chain transmission mechanism uses the first dynamic guide rail
1 and second dynamic guide rail 2 and Dual directional tightener 6 cooperation, reduce the intensity requirement of the chain 5 in timing chain transmission mechanism, subtract
The inter deterioration of chain 5 is lacked, simultaneously because the timing chain transmission mechanism of the present invention is remained in work operation process chain 5
The tightness of appropriateness avoids and the excessively relaxation of chain 5 occurs and lead to the problem of swing, thus reduces the vibrations of engine
And noise.
More preferably, it please refers to shown in Fig. 2, the Dual directional tightener 6 includes Dual directional tightener ontology 63 and two plungers, institute
The both ends that two plungers are oppositely arranged on the Dual directional tightener 6 are stated, described two plungers are matched with 6 ontology of the Dual directional tightener
Conjunction forms holding part 64.The first dynamic guide rail 1 and the second dynamic guide rail 2 are a tight fit in excessively in the holding part 64 and difference
It offsets with described two plungers.The first dynamic guide rail 1 and the second dynamic guide rail 2 contacted with the Dual directional tightener 6 one
End is equipped with the top (not shown) to offset with described two plungers.Wherein, the column to offset with the described first dynamic guide rail 1
Plug is the first plunger 61, is the second plunger 62 with the plunger that the described second dynamic guide rail 2 offsets.The Dual directional tightener ontology 63
Both ends are respectively equipped with the first accumulator 611 and the second accumulator 622, the Dual directional tightener sheet with described two plunger junctions
The oil duct 631 for being connected to 611 and second accumulator 622 of the first accumulator is additionally provided in body 63.Well known to insider, one
As stretcher plunger in be designed with oil-control disk, plunger junction also is provided with accumulator, and concrete structure is not repeating herein.This
Dual directional tightener is equipped with the first plunger 61 and the second plunger 62 in invention, corresponding to be additionally provided with the storage of the first accumulator 611 and second
Grease chamber 622 is connected between first accumulator 611 and the second accumulator 622 by oil duct 631, in this way, in 61 stress of the first plunger
The high pressure oil in the first accumulator 611 is oppressed from oil duct 631 into the second accumulator 622, the second storage by oil-control disk when pressure is moved back
In grease chamber 622 high pressure oil drastically increase can oppress the second plunger 62 oil-control disk drive the second plunger 62 be pushed forward.Conversely, the second column
Plug 62, which is forced, can drive the first plunger 61 to be pushed forward when moving back.Setting in this way ensure that the first plunger 61 and the second plunger
62 drive the first dynamic guide rail 1 and the 2 cooperation activity of the second dynamic guide rail respectively, and give the support of the chain 5 and be oriented to.
Further, the described first dynamic guide rail 1 setting is being connected to the exhaust cam shaft sprocket wheel 4 and the crankshaft sprocket
On on the outside of chain between 7, the second dynamic guide rail 2 setting is being connected to the dmission cam shaft sprocket wheel 3 and the bent axle chain
On on the outside of chain between wheel 7, one end of the first dynamic guide rail 1 is equipped with the first articulated section 11, the first dynamic guide rail 1 it is another
One end constitutes the first movable part 12, and first movable part 12 can surround first articulated section 11 and rotate;Described second dynamic leads
One end of rail 2 is equipped with the second articulated section 21, and the other end of the second dynamic guide rail 2 constitutes the second movable part 22, and described second lives
Dynamic portion 22 can surround second articulated section 21 and rotate.Preferably, first articulated section 11, the second articulated section 21 are arranged in institute
The position of the first dynamic guide rail 1 and 2 end of the second dynamic guide rail is stated, convenient in the timing sprocket operation process, described first lives
Dynamic portion 12 and second movable part 22 can be rotated with larger angle around first articulated section 11, the second articulated section 21,
Improve the first dynamic guide rail 1 and the second dynamic guide rail 2 regulated efficiency elastic to chain 5.
More preferably, the Dual directional tightener 6 is clamped in the first movable part 12 of the described first dynamic guide rail 1 and described second dynamic
The outside of second movable part 22 of guide rail 2.Preferably, the Dual directional tightener 6 is clamped in the first of the described first dynamic guide rail 1 and lives
End far from first articulated section 11 in dynamic portion 12 on the second movable part 22 of the described second dynamic guide rail 2 far from described the
Between the end of two articulated sections 21.The operating of the timing chain transmission mechanism is divided into two stages:First stage is that bent axle forward direction adds
Fast aerating doorsteps section causes to be connected to the admission cam shaft in this stage under the action of bent axle accelerates with camshaft resistance
Chain tension between sprocket wheel 3 and the crankshaft sprocket 7 rapidly increases, the dmission cam shaft sprocket wheel 3 and the bent axle chain
Chain between wheel 7 can oppress the second movable part 22 and be rotated outward around second articulated section 21, and then the second dynamic guide rail 2 compresses
Second plunger 62 of the second plunger 62 of bidirectional hydraulic stretcher, the bidirectional hydraulic stretcher can be made a concession outward, to ensure
The tensioning of the chain power being connected between the dmission cam shaft sprocket wheel 3 and the crankshaft sprocket 7 during this is not too large, subtracts
The inter deterioration of chain 5 is lacked, simultaneously because bent axle accelerates and the drag effect of camshaft leads to the exhaust cam of chain 5
Chain between axis sprocket wheel 4 and the crankshaft sprocket 7 relaxes, in order to prevent the exhaust cam shaft sprocket wheel 4 and the bent axle chain
Wheel 7 between chain swing in a relaxed state it is excessive, to, the first plunger 61 of bidirectional hydraulic stretcher 6 is in bidirectional hydraulic
It can be pushed ahead under the action of the high pressure oil that the second plunger 62 rollback of stretcher generates, push the first movable part 12 around the first hinge
Socket part 11 rotates inward the chain compressed between the exhaust cam shaft sprocket wheel 4 and the crankshaft sprocket 7, ensures that the exhaust is convex
Chain between wheel shaft sprocket wheel 4 and the crankshaft sprocket 7 will not excessively relax;Second stage is the reversed aerating door of crankshaft accelerations
Dwell period, crankshaft accelerations are reversed under crankshaft torsional vibrations effect in this stage and valve-closing camshaft resistance reversely adds
Speed causes the pilled-in selvedge and slack list transition state of chain 5, pilled-in selvedge originally to become relaxed state, and slack list originally becomes to be tensioned shape
State, the chain between exhaust cam shaft sprocket wheel 4 and the crankshaft sprocket 7 is in crankshaft sprocket 7 and exhaust cam shaft sprocket wheel 4 at this time
It can be moved to extending out under pulling force effect, and then squeeze the first movable part 12 and rotated outward around the first articulated section and push bidirectional hydraulic
The first plunger of tight device 61 is made a concession outward prevents this section of chain tension excessive, and simultaneously bi-directionally the first plunger 61 is arranged in hydraulic tensioner
One end enclosure interior high pressure oil can enter by bidirectional hydraulic stretcher internal high pressure oil duct bidirectional hydraulic stretcher setting
In one end housing of the second plunger 62, pushes the second plunger of bidirectional hydraulic stretcher 62 to move inward and force dynamic second movable part 22
The chain being press-connected between the dmission cam shaft sprocket wheel 3 and the crankshaft sprocket 7 is rotated inward around the second articulated section 21
To realize that chain 5 is tensioned, this section of chain 5 excessively relaxes during preventing here, the problem of causing to swing.
Further, the side that the described first dynamic guide rail 1 and the second dynamic guide rail 2 are contacted with chain 5 is arc-shaped shape.
More preferably, the side of the described first dynamic guide rail 1 and the second dynamic guide rail 2 contacted with chain 5 is larger radius of curvature circular shape, is made
It obtains the first dynamic guide rail 1 and the second dynamic guide rail 2 and engaging for chain 5 is more firm, while chain 5 is by from 1 He of the first dynamic guide rail
The power of second dynamic guide rail 2 evenly, reduces the abrasion probability of chain 5.
Further, the dmission cam shaft sprocket wheel 3 and 4 top of the exhaust cam shaft sprocket wheel are provided with and determine guide rail 8, institute
It states and determines guide rail 8 and be in contact with the chain 5.When chain 5 excessively relax, it is described to determine guide rail 8 when having the tendency that flying away from de- tooth outward
The chain 5 can be oppressed to keep in the center.So as to avoid the chain 5 and the dmission cam shaft sprocket wheel 3 and the exhaust
There is a phenomenon where take off tooth for camshaft sprocket 4.
A kind of timing chain transmission mechanism for implementing the present invention has the advantages that compared with prior art:Pass through
The cooperation of first dynamic guide rail 1 and the second dynamic guide rail 2 and Dual directional tightener 6, when the chain segment stress coordinated with the second dynamic guide rail 2
When tensioning, the second dynamic guide rail 2 is displaced outwardly and drives the first dynamic guide rail 1 to move inward by Dual directional tightener 6, makes the chain of stress
The chain segment tightening that item section is loosened, do not stress ensures the tightness appropriateness of whole chain 5, and vice versa.Reduce timing chain
The intensity requirement of chain 5 in transmission mechanism, reduces the inter deterioration of chain 5, simultaneously because the timing chain transmission of the present invention
Mechanism work operation process chain 5 remain appropriate tightness, avoid occur chain 5 excessively relaxation and swing
Problem reduces vibrations and the noise of engine.
Above disclosed is only presently preferred embodiments of the present invention, cannot limit the right of the present invention with this certainly
Range, therefore according to equivalent variations made by scope of the present invention patent, be still within the scope of the present invention.
Claims (9)
1. a kind of timing chain transmission mechanism, including crankshaft sprocket, dmission cam shaft sprocket wheel, exhaust cam shaft sprocket wheel and it is centered around
The chain of the crankshaft sprocket, the dmission cam shaft sprocket wheel and the exhaust cam shaft sprocket wheel, which is characterized in that the timing
Chain-drive mechanism further includes the first dynamic guide rail, the second dynamic guide rail and Dual directional tightener, and the first dynamic guide rail and described second move
Guide rail is oppositely arranged on the outside of the chain, and the Dual directional tightener is clamped in the described first dynamic guide rail and is moved with described second
The outside of guide rail;The Dual directional tightener includes Dual directional tightener ontology and two plungers, and described two plungers are oppositely arranged on
The both ends of the Dual directional tightener ontology, described two plungers form holding part with the Dual directional tightener body fits;It is described
Second movable part of the first movable part of the first dynamic guide rail and the second dynamic guide rail be arranged in the holding part and respectively with
Described two plungers offset.
2. timing chain transmission mechanism as described in claim 1, which is characterized in that one end of the first dynamic guide rail is equipped with first
The other end of articulated section, the first dynamic guide rail constitutes the first movable part, and it is hinged that first movable part can surround described first
Portion rotates;One end of the second dynamic guide rail is equipped with the second articulated section, and the other end of the second dynamic guide rail constitutes the second activity
Portion, second movable part can surround second articulated section and rotate.
3. timing chain transmission mechanism as claimed in claim 1 or 2, which is characterized in that the first dynamic guide rail and described second
The side of dynamic guide rail and the chain contact is arc-shaped shape.
4. timing chain transmission mechanism as claimed in claim 2, which is characterized in that the Dual directional tightener is clamped in described first
The outside of the first movable part and the second movable part of the described second dynamic guide rail of dynamic guide rail.
5. timing chain transmission mechanism as claimed in claim 2, which is characterized in that the Dual directional tightener is clamped in described first
It is remote on the second movable part of end and the described second dynamic guide rail far from first articulated section on first movable part of dynamic guide rail
The outside of end from second articulated section.
6. timing chain transmission mechanism as described in claim 1, which is characterized in that the both ends of the Dual directional tightener ontology and institute
It states two plunger junctions and is respectively equipped with the first accumulator and the second accumulator, connection is additionally provided in the Dual directional tightener ontology
The oil duct of first accumulator and the second accumulator.
7. timing chain transmission mechanism as claimed in claim 4, which is characterized in that the first movable part of the first dynamic guide rail and
It is respectively equipped with the top to offset with described two plungers on second movable part of the second dynamic guide rail.
8. timing chain transmission mechanism as described in claim 1, which is characterized in that the first dynamic guide rail is arranged being connected to
It states on the outside of the chain between exhaust cam shaft sprocket wheel and the crankshaft sprocket, the second dynamic guide rail setting is described in being connected to
On on the outside of chain between dmission cam shaft sprocket wheel and the crankshaft sprocket.
9. timing chain transmission mechanism as described in claim 1, which is characterized in that the dmission cam shaft sprocket wheel and the exhaust
It is provided with above camshaft sprocket and determines guide rail, it is described to determine guide rail and be in contact with the chain.
Priority Applications (1)
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CN201610525989.7A CN106051076B (en) | 2016-07-05 | 2016-07-05 | A kind of timing chain transmission mechanism |
Applications Claiming Priority (1)
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CN201610525989.7A CN106051076B (en) | 2016-07-05 | 2016-07-05 | A kind of timing chain transmission mechanism |
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CN106051076A CN106051076A (en) | 2016-10-26 |
CN106051076B true CN106051076B (en) | 2018-09-18 |
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CN201610525989.7A Active CN106051076B (en) | 2016-07-05 | 2016-07-05 | A kind of timing chain transmission mechanism |
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CN108757859A (en) * | 2018-04-03 | 2018-11-06 | 博格华纳汽车零部件(宁波)有限公司 | Engine timing chain apparatus |
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US7815533B2 (en) * | 2006-09-18 | 2010-10-19 | Ford Global Technologies | Camshaft drive system for internal combustion engine |
JP5234670B2 (en) * | 2010-01-28 | 2013-07-10 | 株式会社椿本チエイン | Chain guide mechanism |
US8979684B2 (en) * | 2010-05-21 | 2015-03-17 | Borgwarner, Inc. | Mechanical tensioner with one way damping |
CN102086788A (en) * | 2011-03-10 | 2011-06-08 | 锐展(铜陵)科技有限公司 | Engine timing chain system |
CN202718726U (en) * | 2012-08-29 | 2013-02-06 | 安徽江淮汽车股份有限公司 | Correct timing chain mechanism of engine |
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