CN204212823U - A kind of guide and limit tensioning rail of engine timing chain - Google Patents
A kind of guide and limit tensioning rail of engine timing chain Download PDFInfo
- Publication number
- CN204212823U CN204212823U CN201420586206.2U CN201420586206U CN204212823U CN 204212823 U CN204212823 U CN 204212823U CN 201420586206 U CN201420586206 U CN 201420586206U CN 204212823 U CN204212823 U CN 204212823U
- Authority
- CN
- China
- Prior art keywords
- tensioning
- tensioning rail
- timing chain
- track
- rail body
- 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.)
- Expired - Fee Related
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Abstract
The utility model is a kind of guide and limit tensioning rail of engine timing chain, comprise tensioning rail, the outer surface of described tensioning rail and internal surface are all in circular arc, tensioning rail is made up of tensioning rail body and tensioning track, the internal surface two ends of tensioning rail body all form a draw-in groove, tensioning track is arc thin slice, the outer surface of tensioning track and tensioning rail body is fitted, and the inward at both ends of tensioning track bends and is molded into the buckle agreed with mutually with draw-in groove, tensioning track is by the cooperation of buckle and draw-in groove and the clamping of tensioning rail body, tensioning rail body side also forms some to supporting post, supporting post all extends tensioning rail outer surface and perpendicular to tensioning rail outer surface place plane, a rotating shaft has all been set up between often pair of supporting post, rotating shaft is socketed with the gear matched with timing chain.The utility model can well play guiding and spacing effect to timing chain.
Description
technical field:
The utility model relates to automobile engine accessory field, particularly a kind of guide and limit tensioning rail of engine timing chain.
background technique:
The Timing Belt of current motor car engine replaces to timing chain gradually, the stability of timing chain and serviceability obtain the accreditation of more and more producer and client, and existing timing chain tensioning rail still continues to use the tensioning rail of old Timing Belt, therefore not good with the conformability of timing chain, its guiding and limit function are difficult to realize, and the tensioning rail of general Timing Belt is that pure PVC material makes, serviceability is not good yet.
model utility content:
The purpose of this utility model is exactly the deficiency for prior art, and provides a kind of guide and limit tensioning rail of engine timing chain, well solves existing poor durability, and guiding and limit function are difficult to the problem realized.
Technology solution of the present utility model is as follows:
A kind of guide and limit tensioning rail of engine timing chain, comprise tensioning rail, the outer surface of described tensioning rail and internal surface are all in circular arc, tensioning rail is made up of tensioning rail body and tensioning track, the internal surface two ends of tensioning rail body all form a draw-in groove, tensioning track is arc thin slice, the outer surface of tensioning track and tensioning rail body is fitted, and the inward at both ends of tensioning track bends and is molded into the buckle agreed with mutually with draw-in groove, tensioning track is by the cooperation of buckle and draw-in groove and the clamping of tensioning rail body, tensioning rail body side also forms some to supporting post, supporting post all extends tensioning rail outer surface and perpendicular to tensioning rail outer surface place plane, a rotating shaft has all been set up between often pair of supporting post, rotating shaft is socketed with the gear matched with timing chain.The utility model is knockdown tensioning rail, by the cooperation of tensioning track and tensioning rail body, make the utility model more durable, and the assembly such as the supporting post that tensioning rail body is arranged and gear can well play guiding and spacing effect to timing chain.
As preferably, tensioning track is made up of PVC material, and tensioning track outer surface is smooth curved surface, and tensioning rail body comprises metal material is made.Tensioning track outer surface is that smooth curved surface can make timing chain pass through smoothly, and tensioning track is made up the smoothness that also ensure that outer surface of PVC material, tensioning rail body comprises metal is made, and ensure that durability, if make to change also without the need to changing all components, and only need change tensioning track.
As preferably, rotating shaft is arranged perpendicular to the moving direction of timing chain, and supporting post is all provided with bearing, and rotating shaft is installed in bearing.Such setting ensure that the spacing accuracy of gear mesh timing chain, and smoothness, and timing chain can not be made operationally to receive unnecessary resistance.
As preferably, the height of bearing is identical with the thickness of timing chain.
As preferably, bearing is unilateral bearing.Better can ensure the stability of timing chain sense of rotation.
The beneficial effects of the utility model are:
The utility model is knockdown tensioning rail, by the cooperation of tensioning track and tensioning rail body, make the utility model more durable, and the assembly such as the supporting post that tensioning rail body is arranged and gear can well play guiding and spacing effect to timing chain.
accompanying drawing illustrates:
Fig. 1 is sectional view of the present utility model;
In figure, 1 is tensioning rail body, and 2 is tensioning track, and 3 is supporting post, and 4 is rotating shaft, and 5 is gear, and 6 is draw-in groove, and 7 is buckle.
embodiment:
Embodiment: the guide and limit tensioning rail of a kind of engine timing chain as shown in Figure 1, comprise tensioning rail, the outer surface of tensioning rail and internal surface are all in circular arc, tensioning rail is made up of tensioning rail body 1 and tensioning track 2, the internal surface two ends of tensioning rail body 1 all form a draw-in groove 6, tensioning track 2 is arc thin slice, tensioning track 2 is fitted with the outer surface of tensioning rail body 1, and the inward at both ends of tensioning track 2 bends and is molded into the buckle 7 agreed with mutually with draw-in groove 6, tensioning track 2 passes through cooperation and tensioning rail body 1 clamping of buckle 7 and draw-in groove 6, tensioning rail body 1 side also forms 3 pairs of supporting posts 3, supporting post 3 all extends tensioning rail outer surface and perpendicular to tensioning rail outer surface place plane, a rotating shaft 4 has all been set up between often pair of supporting post 3, rotating shaft 4 is socketed with the gear 5 matched with timing chain.
Tensioning track 2 is made up of PVC material, and tensioning track 2 outer surface is smooth curved surface, and tensioning rail body 1 is made up of metallic material.
Rotating shaft 4 is arranged perpendicular to the moving direction of timing chain, and supporting post 3 is all provided with bearing, and rotating shaft 4 is installed in bearing.
The height of bearing is identical with the thickness of timing chain.
Bearing is unilateral bearing.
The foregoing is only preferred embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
Claims (5)
1. the guide and limit tensioning rail of an engine timing chain, comprise tensioning rail, the outer surface of described tensioning rail and internal surface are all in circular arc, it is characterized in that: described tensioning rail is made up of tensioning rail body and tensioning track, the internal surface two ends of described tensioning rail body all form a draw-in groove, described tensioning track is arc thin slice, the outer surface of described tensioning track and tensioning rail body is fitted, and the inward at both ends of tensioning track bends and is molded into the buckle agreed with mutually with draw-in groove, tensioning track is by the cooperation of buckle and draw-in groove and the clamping of tensioning rail body, described tensioning rail body side also forms some to supporting post, described supporting post all extends tensioning rail outer surface and perpendicular to tensioning rail outer surface place plane, a rotating shaft has all been set up between described often pair of supporting post, described rotating shaft is socketed with the gear matched with timing chain.
2. according to the guide and limit tensioning rail of a kind of engine timing chain described in claim 1, it is characterized in that: described tensioning track is made up of PVC material, and tensioning track outer surface is smooth curved surface, described tensioning rail body comprises metal material is made.
3. the guide and limit tensioning rail of a kind of engine timing chain according to claim 1, is characterized in that: described rotating shaft is arranged perpendicular to the moving direction of timing chain, and described supporting post is all provided with bearing, and described rotating shaft is installed in bearing.
4. the guide and limit tensioning rail of a kind of engine timing chain according to claim 1, is characterized in that: the height of described bearing is identical with the thickness of timing chain.
5. the guide and limit tensioning rail of a kind of engine timing chain according to claim 1, is characterized in that: described bearing is unilateral bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420586206.2U CN204212823U (en) | 2014-10-11 | 2014-10-11 | A kind of guide and limit tensioning rail of engine timing chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420586206.2U CN204212823U (en) | 2014-10-11 | 2014-10-11 | A kind of guide and limit tensioning rail of engine timing chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204212823U true CN204212823U (en) | 2015-03-18 |
Family
ID=52981503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420586206.2U Expired - Fee Related CN204212823U (en) | 2014-10-11 | 2014-10-11 | A kind of guide and limit tensioning rail of engine timing chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204212823U (en) |
-
2014
- 2014-10-11 CN CN201420586206.2U patent/CN204212823U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 Termination date: 20151011 |
|
| EXPY | Termination of patent right or utility model |