CN203603995U - Locating and aligning mechanism of engine timing system - Google Patents
Locating and aligning mechanism of engine timing system Download PDFInfo
- Publication number
- CN203603995U CN203603995U CN201320664722.8U CN201320664722U CN203603995U CN 203603995 U CN203603995 U CN 203603995U CN 201320664722 U CN201320664722 U CN 201320664722U CN 203603995 U CN203603995 U CN 203603995U
- Authority
- CN
- China
- Prior art keywords
- cam shaft
- positioning block
- locating
- fixed
- locating slot
- 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
Links
Images
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model provides a locating and aligning mechanism of an engine timing system. The locating and aligning mechanism comprises an auxiliary tool, a first locating block and a second locating block, the first locating block is fixed to an intake camshaft of an engine cylinder cover, and the second locating block is fixed to an exhaust camshaft of the engine cylinder cover. A first locating groove which can contain the first locating block and enable the intake camshaft fixedly provided with the first locating block not to rotate is formed in the auxiliary tool. A second locating groove which can contain the second locating block and enable the exhaust camshaft fixedly provided with the second locating block not to rotate is formed in the auxiliary tool. The distance between the first locating groove and the second locating groove is equal to the shaft distance between the intake camshaft and the exhaust camshaft when the intake camshaft and the exhaust camshaft are assembled on the engine cylinder cover. The auxiliary tool is fixed to the engine cylinder cover through a connecting piece. Through the technical scheme, assembling efficiency can be effectively improved.
Description
Technical field
The utility model relates to engine assembly technology, relates in particular to a kind of engine timing system location aligning guide.
Background technique
When existing assembling engine timing system, because exhaust cam shaft and admission cam shaft are all subject to the active force of valve spring, cannot guarantee that timing marks aligns completely, need two people to use Wrench that the admission cam shaft of motor and exhaust cam shaft are fixed to correct position.As depicted in figs. 1 and 2, timing marks 6 and the timing marks 7 on the air inlet timing gear 5 on exhaust timing gear 3 and the admission cam shaft 4 on exhaust cam shaft 2 need be in the position shown in Fig. 2.Another one people installs engine timing chain, i.e. circular timing marks 6 on exhaust timing gear 3 and air inlet timing gear 5, and the timing marks on corresponding timing chain is installed.
Existing assembly method, need multiple staff's collaborative works, sometimes coordinate bad, need operation repeatedly, waste time and energy, efficiency of assembling is low.
Model utility content
The utility model provides a kind of engine timing system location aligning guide, to improve efficiency of assembling.
First aspect of the utility model provides a kind of engine timing system location aligning guide, comprise: auxiliary mould, be fixed on the first positioning block on the admission cam shaft of engine cylinder cover and be fixed on the second positioning block on the exhaust cam shaft of described engine cylinder cover, wherein
Described auxiliary mould is provided with accommodating described the first positioning block of energy, and first locating slot that can make the admission cam shaft that is fixed with described the first positioning block not rotate;
Described auxiliary mould is provided with accommodating described the second positioning block of energy, and second locating slot that can make the exhaust cam shaft that is fixed with described the second positioning block not rotate;
The distance between shafts when spacing of described the first locating slot and described the second locating slot equals described admission cam shaft and described exhaust cam shaft and is assemblied in described engine cylinder and covers between diaxon;
Described auxiliary mould is fixed on described engine cylinder by link and covers.
Engine timing system as above location aligning guide, described the first positioning block and the described admission cam shaft structure that is formed in one; The overall dimensions of the shaft section radial direction along described admission cam shaft of described the first positioning block is less than the overall dimensions of described admission cam shaft overhead cam.
Engine timing system as above location aligning guide, described the second positioning block and the described exhaust cam shaft structure that is formed in one; The overall dimensions of the shaft section radial direction along described exhaust cam shaft of described the second positioning block is less than the overall dimensions of described exhaust cam shaft overhead cam.
Engine timing system as above location aligning guide, described the first locating slot is square groove, described the first positioning block is and the square block of described square groove adaptation.
Engine timing system as above location aligning guide, described the second locating slot is square groove, described the second positioning block is and the square block of described square groove adaptation.
As shown from the above technical solution, the technological scheme that the utility model provides is by stationary positioned piece on described admission cam shaft and on exhaust cam shaft, adopt described auxiliary mould the timing marks on the exhaust timing gear on the air inlet timing gear on admission cam shaft and exhaust cam shaft can be limited in to desired location, and limit the rotation of described admission cam shaft and exhaust cam shaft, assembly crewman gets final product a people and completes the assembling of timing chain and annex thereof, not only improve efficiency of assembling, also improved assembly precision.
Accompanying drawing explanation
Fig. 1 is the first assembled view of engine cylinder cover in prior art;
Fig. 2 is the second assembled view of engine cylinder cover in prior art;
The engine timing system that Fig. 3 provides for the utility model embodiment one is located the structural representation of aligning guide;
The engine timing system that Fig. 4 provides for the utility model embodiment one is located the schematic cross-section of aligning guide;
The structural representation of the auxiliary mould that Fig. 5 provides for the utility model embodiment one;
The structural representation of a kind of implementation structure of the first positioning block that Fig. 6 provides for the utility model embodiment one;
The structural representation of the another kind of implementation structure of the first positioning block that Fig. 7 provides for the utility model embodiment one.
Embodiment
The structural representation of the engine timing system location aligning guide that as shown in Figure 3, the utility model embodiment one provides.As shown in Figure 2, described engine timing system location aligning guide comprises: auxiliary mould 10, be fixed on the first positioning block 13 on the admission cam shaft 4 of engine cylinder cover 1 and be fixed on the second positioning block 11 on the exhaust cam shaft 2 of described engine cylinder cover 1.Wherein, described auxiliary mould 10 is provided with accommodating described the first positioning block 13 of energy, and first locating slot 14 that can make the admission cam shaft 4 that is fixed with described the first positioning block 13 not rotate; Described auxiliary mould 10 is provided with accommodating described the second positioning block 11 of energy, and second locating slot 12 that can make the exhaust cam shaft 2 that is fixed with described the second positioning block 11 not rotate; The distance between shafts when spacing of described the first locating slot 14 and described the second locating slot 12 equals described admission cam shaft 4 and described exhaust cam shaft 2 and is assemblied on described engine cylinder cover 1 between diaxon; Described auxiliary mould 10 is fixed on described engine cylinder cover 1 by link.
Particularly, described link can be bolt, and the two ends of described auxiliary mould are respectively equipped with through hole, and the corresponding position of described engine cylinder cover is provided with tapped hole, and described auxiliary mould is bolted to described engine cylinder and is covered by described.
The present embodiment is by stationary positioned piece on described admission cam shaft and on exhaust cam shaft, adopt described auxiliary mould the timing marks on the exhaust timing gear on the air inlet timing gear on admission cam shaft and exhaust cam shaft can be limited in to desired location, and limit the rotation of described admission cam shaft and exhaust cam shaft, assembly crewman gets final product a people and completes the assembling of timing chain and annex thereof, not only improve efficiency of assembling, also improved assembly precision.
Further, described the first positioning block and the described admission cam shaft structure that can be formed in one, the overall dimensions of the shaft section radial direction along described admission cam shaft of described the first positioning block is less than the overall dimensions of described admission cam shaft overhead cam, in the time that described admission cam shaft work rotates, described the first positioning block can not interfere with described engine cylinder cap like this.
Similarly, described the second positioning block and the described exhaust cam shaft structure that is formed in one, the overall dimensions of the shaft section radial direction along described exhaust cam shaft of described the first positioning block is less than the overall dimensions of described exhaust cam shaft overhead cam.
Certainly, described the first positioning block also can be fixed on described admission cam shaft by fixed block, and relative movement does not occur for described the first positioning block and described admission cam shaft.Similarly, described the second positioning block also can be fixed on described exhaust cam shaft by fixed block, and relative movement does not occur for described the second positioning block and described exhaust cam shaft.
Further, as shown in Figure 4 and Figure 5, the first locating slot 14 arranging on described auxiliary mould can be square groove.As shown in Figure 6, described the first positioning block 13 can be and the square block of described square groove adaptation.Or described the first positioning block can be shown in Fig. 7, there is the cylindrical body of two locating faces 131 that are used in conjunction with the two relative side of described square groove.Or described positioning block can also be semicircle, or orthohexagonal etc., as long as being used in conjunction with, described the first positioning block and described the first locating slot can limit described admission cam shaft rotation.
Similarly, as shown in Figure 4 and Figure 5, the second locating slot 12 arranging on described auxiliary mould can be square groove.Described the second positioning block, with described the first positioning block, can be the square block with described square groove adaptation; It can be the cylindrical body with two locating faces that are used in conjunction with the two relative side of described square groove shown in Fig. 7; Can be semicircle, or orthohexagonal etc.As long as being used in conjunction with, described the second positioning block and described the second locating slot can limit described exhaust cam shaft rotation.
Finally it should be noted that: above each embodiment, only in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned each embodiment is modified, or some or all of technical characteristics is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of the each embodiment's technological scheme of the utility model.
Claims (5)
1. an engine timing system location aligning guide, is characterized in that, comprising: auxiliary mould, be fixed on the first positioning block on the admission cam shaft of engine cylinder cover and be fixed on the second positioning block on the exhaust cam shaft of described engine cylinder cover, wherein,
Described auxiliary mould is provided with accommodating described the first positioning block of energy, and first locating slot that can make the admission cam shaft that is fixed with described the first positioning block not rotate;
Described auxiliary mould is provided with accommodating described the second positioning block of energy, and second locating slot that can make the exhaust cam shaft that is fixed with described the second positioning block not rotate;
The distance between shafts when spacing of described the first locating slot and described the second locating slot equals described admission cam shaft and described exhaust cam shaft and is assemblied in described engine cylinder and covers between diaxon;
Described auxiliary mould is fixed on described engine cylinder by link and covers.
2. engine timing system according to claim 1 location aligning guide, is characterized in that,
Described the first positioning block and the described admission cam shaft structure that is formed in one;
The overall dimensions of the shaft section radial direction along described admission cam shaft of described the first positioning block is less than the overall dimensions of described admission cam shaft overhead cam.
3. engine timing system according to claim 1 location aligning guide, is characterized in that,
Described the second positioning block and the described exhaust cam shaft structure that is formed in one;
The overall dimensions of the shaft section radial direction along described exhaust cam shaft of described the second positioning block is less than the overall dimensions of described exhaust cam shaft overhead cam.
4. according to arbitrary described engine timing system location aligning guide in claim 1～3, it is characterized in that, described the first locating slot is square groove, and described the first positioning block is and the square block of described square groove adaptation.
5. according to arbitrary described engine timing system location aligning guide in claim 1～3, it is characterized in that, described the second locating slot is square groove, and described the second positioning block is and the square block of described square groove adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664722.8U CN203603995U (en) | 2013-10-25 | 2013-10-25 | Locating and aligning mechanism of engine timing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320664722.8U CN203603995U (en) | 2013-10-25 | 2013-10-25 | Locating and aligning mechanism of engine timing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203603995U true CN203603995U (en) | 2014-05-21 |
Family
ID=50716672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320664722.8U Expired - Fee Related CN203603995U (en) | 2013-10-25 | 2013-10-25 | Locating and aligning mechanism of engine timing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203603995U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366399A (en) * | 2018-10-30 | 2019-02-22 | 中国北方发动机研究所(天津) | A kind of tool structure with positioning intake and exhaust timing function |
| CN113107629A (en) * | 2021-05-07 | 2021-07-13 | 东风柳州汽车有限公司 | Timing positioning device and method for engine camshaft |
-
2013
- 2013-10-25 CN CN201320664722.8U patent/CN203603995U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366399A (en) * | 2018-10-30 | 2019-02-22 | 中国北方发动机研究所(天津) | A kind of tool structure with positioning intake and exhaust timing function |
| CN113107629A (en) * | 2021-05-07 | 2021-07-13 | 东风柳州汽车有限公司 | Timing positioning device and method for engine camshaft |
| CN113107629B (en) * | 2021-05-07 | 2022-06-07 | 东风柳州汽车有限公司 | Timing positioning device and method for engine camshaft |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203603995U (en) | Locating and aligning mechanism of engine timing system | |
| CN202479997U (en) | Positioning tool for engine camshaft | |
| CN204163778U (en) | Engine cam keying structure | |
| CN201535183U (en) | Engine timing system | |
| CN201826910U (en) | Camshaft positioning device | |
| CN102059544B (en) | Method and tooling for installing camshafts | |
| CN204877570U (en) | Engine timing mechanism | |
| CN203925636U (en) | A kind of petrol engine cam | |
| CN203488219U (en) | Engine chain system | |
| CN205415432U (en) | Engine camshaft location frock | |
| CN202500629U (en) | Mounting structure of timing chain wheel, signal wheel and camshaft in engine | |
| CN202851170U (en) | Positioning structure for halve-typed motor cylinder body | |
| CN204098983U (en) | The engine of tool decompressor | |
| CN203669953U (en) | Device for adjusting valve timing of engine compressing releasing type retarder | |
| CN203783664U (en) | Cam shaft for diesel engine | |
| CN201661322U (en) | Positioning and fixing device for guaranteeing gear clearance of overhead camshaft of motor | |
| CN201053332Y (en) | Engine roller type tappet rotation limit | |
| CN202251660U (en) | Integral flywheel | |
| CN201347808Y (en) | Engine | |
| CN205089386U (en) | Valve timing mechanism of motorcycle engine | |
| CN202368634U (en) | Scooter steering gear | |
| CN205089395U (en) | Motorcycle engine double cam valve timing mechanism | |
| CN202628309U (en) | Automobile engine as well as front synchronous chain cover shell thereof | |
| CN204308947U (en) | A kind of rare-earth permanent magnet production line clamping manipulator | |
| CN206860246U (en) | The valve lifter of the valve mechanism of engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Locating and aligning mechanism of engine timing system Effective date of registration: 20150714 Granted publication date: 20140521 Pledgee: Agricultural Bank of China Limited by Share Ltd Tianjin branch of economic and Technological Development Zone Pledgor: Inner Mongol Ou Yide Engine Ltd. Registration number: 2015990000576 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171208 Granted publication date: 20140521 Pledgee: Agricultural Bank of China Limited by Share Ltd Tianjin branch of economic and Technological Development Zone Pledgor: Inner Mongol Ou Yide Engine Ltd. Registration number: 2015990000576 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140521 Termination date: 20201025 |