CN207437709U - A kind of timing chain guided way structure - Google Patents
A kind of timing chain guided way structure Download PDFInfo
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- CN207437709U CN207437709U CN201721558869.3U CN201721558869U CN207437709U CN 207437709 U CN207437709 U CN 207437709U CN 201721558869 U CN201721558869 U CN 201721558869U CN 207437709 U CN207437709 U CN 207437709U
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- timing
- guided way
- timing chain
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Abstract
The utility model provides a kind of timing chain guided way structure, belongs to field of mechanical technique.It solves the problems, such as that existing timing chain guided way structural friction loss is big.This timing chain guided way structure, including timing chain skeleton, the both ends of the timing chain skeleton are respectively fixed with timing guided way one and timing guided way two, between the timing guided way one and timing guided way two there is spacing, and the arc guide surface for timing chain operation is respectively provided on the timing guided way one and timing guided way two.This timing guided way one and the two-part structure design that timing guided way two is the both ends for being separately positioned on timing chain skeleton, and the guide surface of the two is set to cambered surface, between the two in hanging, ensure that guide rail meets timing chain normal work, shake and noise will not be generated, and can reasonably reduce contact area, so as to reduce frictional dissipation.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of timing chain guided way structure.
Background technology
As people are higher and higher to power performance and the economy performance demand and oil consumption emission regulation is increasingly stringent, reduce
Friction consumption, improving the thermal efficiency has become current engine mainstream technology direction.Due between camshaft sprocket and crankshaft sprocket
There are considerably long spans, when timing chain, which assembles, completes work, will be run in this span, and can generate undesirable tremble
Dynamic and abnormal sound problem.
To reduce the amount of jitter of chain and reducing noise, timing chain between camshaft sprocket and crankshaft sprocket is installed and is led
To the guiding rail assembly generally use fabricated structure of rail assembly, at present engine timing chain, including timing chain skeleton and
Timing chain guided way with guide surface, timing chain skeleton are assemblied in engine cylinder body or cylinder cap by positioning bolt
On, timing chain guided way is fixed on timing chain skeleton and is extended to separately along the length direction of timing chain skeleton from one end
Along the guide surface of timing chain guided way relative motion will occur for one end, timing chain.In existing guiding rail assembly, just
When chain and timing chain guided way guide surface between contact area be equal to free-span distance length and be multiplied by the width of contact, connect
Contacting surface product is larger, and the friction loss work(generated between timing chain and guide surface is also larger.
The content of the invention
The purpose of this utility model is that there are the above problems for existing technology, it is proposed that a kind of timing chain guided way
Structure, technical problem to be solved in the utility model are：
The purpose of this utility model can be realized by following technical proposal：A kind of timing chain guided way structure, including
Timing chain skeleton, which is characterized in that the both ends of the timing chain skeleton are respectively fixed with timing guided way one and timing is led
To rail two, there is spacing, and the timing guided way one and timing are led between the timing guided way one and timing guided way two
The arc guide surface for timing chain operation is respectively provided on rail two.
This timing chain guided way structure uses the structure design of two-part, i.e., by the both ends of timing chain skeleton point
Not She Zhi timing guided way one and timing guided way two, exist between timing guided way one and timing guided way two it is certain between
During away from, work, timing chain is run first along one surface of timing guided way, due to timing guided way one and timing guided way two
The design of upper arc guide surface so that timing chain passes through circular arc tangential line direction of the effect of tightening force along timing guided way one
Moving from crossing above-mentioned spacing after timing guided way one can just enter in timing guided way two, along timing guided way
The tangential direction movement of two circular arc guide surface, will not generate shake and noise.Moreover, timing chain in the process of running with just
When guided way one and timing guided way two between that section of pitch portions be not in contact, effectively reduce contact area,
So as to reduce frictional dissipation.
In above-mentioned timing chain guided way structure, the timing guided way one is identical with two structure of timing guided way.
Timing guided way one and timing guided way two are designed as identical structure, make and install more convenient, reduce development cost.And
And the design of mutually isostructural timing guided way one and timing guided way two, it can more preferably realize the running orbit to timing chain
Control so that timing chain, which leaves, to be crossed above-mentioned spacing after timing guided way one and can just enter timing guided way two
In, it is moved along the tangential direction of the circular arc guide surface of timing guided way two, shake and noise will not be generated, so as to more preferable
Realization reduce contact area, reduce frictional dissipation.
In above-mentioned timing chain guided way structure, the both sides of arc guide surface and timing on the timing guided way one
The both sides of arc guide surface are respectively provided with the guide turnup for flipping up and being formed on guided way two.The design of guide turnup, setting is just
When chain be not susceptible to deviate in the process of running, can smoothly run, further the loss of drop ground.
In above-mentioned timing chain guided way structure, card is respectively provided on the timing guided way one and timing guided way two
Connector, the both ends of the timing chain skeleton are correspondingly provided with bayonet, and the timing guided way one and timing guided way two pass through
Clamping joint is connected on corresponding bayonet.The clamping engagement that timing guided way one and timing guided way two pass through clamping joint and bayonet
It is more convenient that mode is fixed on the installation of timing chain skeleton.
In above-mentioned timing chain guided way structure, the both ends of the timing chain skeleton are all provided with there are two bayonet, together
Two bayonets of one end are respectively positioned at the both sides of timing chain skeleton and along the length direction stagger setting of timing chain skeleton, institute
Stating corresponding tool on timing guided way one and timing guided way two, there are two clamping joints.What both sides were mutually staggered respectively by two
The clamping engagement design of clamping joint and bayonet, installation is more convenient, and so that the stability after assembling is more preferable, ensures timing chain
Item can be run according to the track of setting, and preferably realizing reduces frictional dissipation.
In above-mentioned timing chain guided way structure, the both ends of the timing chain skeleton also offer location hole,
The location hole is located between two bayonets in corresponding end, corresponding tool on the timing guided way one and timing guided way two
There is positioning head, the positioning head is inserted into corresponding location hole.Pass through the design of location hole and positioning head so that installation is more
For convenience, it without alignment, and can be further ensured that the stability after assembling, ensure that timing chain can be according to the rail of setting
Mark is run, and preferably realizing reduces frictional dissipation.
In above-mentioned timing chain guided way structure, the timing chain skeleton is molded using steel plate punched.Timing chain
Skeleton primarily serves supporting role, and enough rigidity, timing chain bone are provided for timing guided way one and timing guided way two
Frame is molded using steel plate punched, is unlikely to deform when being subject to timing chain active force, ensures that timing chain can be according to setting
Track is run, and preferably realizing reduces frictional dissipation.
In above-mentioned timing chain guided way structure, the timing guided way one and timing guided way two use PA66
Material is made.Timing guided way one and timing guided way two make shaping using PA66 materials, can reduce the generation of noise.
Compared with prior art, this timing chain guided way structure has the following advantages：
1st, timing guided way one and the two-part knot that timing guided way two is the both ends for being separately positioned on timing chain skeleton
Structure designs, and the guide surface of the two is set to cambered surface, is in hanging between the two, guarantees to meet timing chain normal work
In the state of will not generating shake and noise, additionally it is possible to reasonably reduce contact area, so as to reduce frictional dissipation.
2nd, timing guided way one is identical with two structure of timing guided way and timing chain is fixed on by way of clamping
Easy for installation on skeleton, development cost is low.
Description of the drawings
Fig. 1 is the explosive view of this timing chain guided way structure.
Fig. 2 is the sectional view of this timing chain guided way structure.
In figure, 1, timing chain skeleton；1a, bayonet；1b, location hole；2nd, timing guided way one；3rd, timing guided way two；
4th, arc guide surface；5th, guide turnup；6th, clamping joint；7th, positioning head.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As illustrated in fig. 1 and 2, this timing chain guided way structure, including timing chain skeleton 1, timing chain skeleton 1 uses
Steel plate punched is molded, and is unlikely to deform when being subject to timing chain active force, ensures that timing chain can be transported according to the track of setting
Row.The both ends of timing chain skeleton 1 are respectively fixed with timing guided way 1 and timing guided way 23, one 2 He of timing guided way
23 structure of timing guided way is identical, and timing guided way 1 and timing guided way 23 are made of PA66 materials, can be reduced
The generation of noise.
The both ends of timing chain skeleton 1 are all provided with there are two bayonet 1a, and two bayonet 1a of the same end are respectively positioned at timing chain
Both sides of skeleton 1 and along the length direction stagger setting of timing chain skeleton 1, timing guided way 1 and timing guided way 23
On corresponding tool there are two clamping joints 6.Timing guided way 1 and timing guided way 23 are connected to corresponding card by clamping joint 6
On mouth 1a.The both ends of timing chain skeleton 1 also offer location hole 1b, and location hole 1b is located at two bayonet 1a in corresponding end
Between, corresponding on timing guided way 1 and timing guided way 23 to have positioning head 7, positioning head 7 is inserted into corresponding fixed
In the hole 1b of position.
There is spacing, and timing guided way 1 and timing guided way between timing guided way 1 and timing guided way 23
The arc guide surface 4 for timing chain operation is respectively provided on 23, both sides of arc guide surface 4 and just on timing guided way 1
When guided way 23 on the both sides of arc guide surface 4 be respectively provided with the guide turnup 5 for flipping up and being formed.During work, timing chain leads to
The effect for crossing tightening force is run along the arc guide surface 4 on timing guided way 1, and is moved from along circular arc tangential line direction
Above-mentioned spacing is crossed after timing guided way 1 to be entered in timing guided way 23, along timing guided way 23
The tangential direction movement of arc guide surface 4, will not generate shake and noise.Moreover, timing chain in the process of running with timing
That section of pitch portions between guided way 1 and timing guided way 23 are not in contact, and effectively reduce contact area,
So as to reduce frictional dissipation.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
- A kind of 1. timing chain guided way structure, including timing chain skeleton (1), which is characterized in that the timing chain skeleton (1) both ends are respectively fixed with timing guided way one (2) and timing guided way two (3), the timing guided way one (2) and timing Between guided way two (3) there is spacing, and be respectively provided on the timing guided way one (2) and timing guided way two (3) for just When chain operation arc guide surface (4).
- 2. timing chain guided way structure according to claim 1, which is characterized in that the timing guided way one (2) and Timing guided way two (3) structure is identical.
- 3. timing chain guided way structure according to claim 1, which is characterized in that on the timing guided way one (2) The both sides of arc guide surface (4), which are respectively provided with, on the both sides of arc guide surface (4) and timing guided way two (3) flips up what is formed Guide turnup (5).
- 4. the timing chain guided way structure according to claim 1 or 2 or 3, which is characterized in that the timing guided way one (2) and on timing guided way two (3) clamping joint (6) is respectively provided with, the both ends of the timing chain skeleton (1) are correspondingly provided with bayonet (1a), the timing guided way one (2) and timing guided way two (3) are connected to by clamping joint (6) on corresponding bayonet (1a).
- 5. timing chain guided way structure according to claim 4, which is characterized in that the timing chain skeleton (1) Both ends are all provided with there are two bayonet (1a), and two bayonets (1a) of the same end are respectively positioned at the both sides of timing chain skeleton (1) and edge The length direction stagger setting of timing chain skeleton (1) is right on the timing guided way one (2) and timing guided way two (3) Clamping joint (6) there are two should having.
- 6. timing chain guided way structure according to claim 5, which is characterized in that the timing chain skeleton (1) Both ends also offer location hole (1b), and the location hole (1b) is located between two bayonets (1a) in corresponding end, it is described just When guided way one (2) and timing guided way two (3) on it is corresponding there is positioning head (7), the positioning head (7) is inserted into corresponding to Location hole (1b) in.
- 7. the timing chain guided way structure according to claim 1 or 2 or 3, which is characterized in that the timing chain skeleton (1) it is molded using steel plate punched.
- 8. the timing chain guided way structure according to claim 1 or 2 or 3, which is characterized in that the timing guided way one (2) it is made with timing guided way two (3) of PA66 materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721558869.3U CN207437709U (en) | 2017-11-21 | 2017-11-21 | A kind of timing chain guided way structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721558869.3U CN207437709U (en) | 2017-11-21 | 2017-11-21 | A kind of timing chain guided way structure |
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| CN207437709U true CN207437709U (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721558869.3U Active CN207437709U (en) | 2017-11-21 | 2017-11-21 | A kind of timing chain guided way structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235994A (en) * | 2018-09-04 | 2019-01-18 | 武汉汉阳钢厂顺时停车设备有限责任公司 | A kind of device and method preventing inductance approach switch detection erroneous judgement |
| WO2020153378A1 (en) * | 2019-01-22 | 2020-07-30 | 大同工業株式会社 | Chain guide and chain transmission device using same |
-
2017
- 2017-11-21 CN CN201721558869.3U patent/CN207437709U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235994A (en) * | 2018-09-04 | 2019-01-18 | 武汉汉阳钢厂顺时停车设备有限责任公司 | A kind of device and method preventing inductance approach switch detection erroneous judgement |
| WO2020153378A1 (en) * | 2019-01-22 | 2020-07-30 | 大同工業株式会社 | Chain guide and chain transmission device using same |
| CN113330231A (en) * | 2019-01-22 | 2021-08-31 | 大同工业株式会社 | Chain guide and chain transmission device using the same |
| JPWO2020153378A1 (en) * | 2019-01-22 | 2021-12-09 | 大同工業株式会社 | Chain guide and chain transmission device using it |
| JP7212072B2 (en) | 2019-01-22 | 2023-01-24 | 大同工業株式会社 | CHAIN GUIDE AND CHAIN TRANSMISSION USING THE SAME |
| US11927267B2 (en) | 2019-01-22 | 2024-03-12 | Daido Kogyo Co., Ltd. | Chain guide and chain transmission device using same |
| CN113330231B (en) * | 2019-01-22 | 2024-07-02 | 大同工业株式会社 | Chain guide and chain transmission device using the same |
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