CN101915135B - Locating clamp plate for engine cam shaft and eccentric shaft rear end slot and assembly method - Google Patents
Locating clamp plate for engine cam shaft and eccentric shaft rear end slot and assembly method Download PDFInfo
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- CN101915135B CN101915135B CN201010249728XA CN201010249728A CN101915135B CN 101915135 B CN101915135 B CN 101915135B CN 201010249728X A CN201010249728X A CN 201010249728XA CN 201010249728 A CN201010249728 A CN 201010249728A CN 101915135 B CN101915135 B CN 101915135B
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- rear end
- clamp plate
- end slot
- locating clamp
- shaft rear
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 102000008736 Snapin Human genes 0.000 claims description 33
- 108050000529 Snapin Proteins 0.000 claims description 33
- 238000009434 installation Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a locating clamp plate for an engine cam shaft and an eccentric shaft rear end slot locating clamp plate and an assembly method, belonging to the field of engine assembly. The locating clamp plate comprises an intake cam shaft rear end slot locating clamp plate, an exhaust cam shaft rear end slot locating clamp plate and an eccentric shaft rear end slot locating clamp plate. The intake cam shaft rear end slot locating clamp plate, the exhaust cam shaft rear end slot locating clamp plate and the eccentric shaft rear end slot locating clamp plate are located on three different horizontal planes, the inside end part of the intake cam shaft rear end slot locating clamp plate is provided with a clamping part A, the inside end part of the eccentric shaft rear end slot locating clamp plate is provided with a clamping part B, and the inside end part of the exhaust cam shaft rear end slot locating clamp plate is provided with a clamping part C. The embodiment of the invention has the advantages of convenient use and accurate location by designing the locating clamp plate into three parts on three different horizontal planes for locating an intake cam shaft, an exhaust cam shaft and an eccentric shaft; and the accuracy of engine timing phase is high.
Description
Technical field
The present invention relates to the full lift range variable motor of automobile mounting technology field, particularly a kind of positioning assembly method that is applicable to the engine cam and the eccentric shaft rear end slot locating clamp plate of full lift range variable motor and uses this clamp.
Background technique
Existing camshaft locating clamp plate is a straight plate shape; Since the inlet and outlet camshaft axle center of full lift range variable motor and the axle center of eccentric shaft not all be with cylinder cap on the plane concordant; Promptly be positioned at same horizontal plane; So existing camshaft rear end slot locating clamp plate can't be used for the assembling and positioning of full lift range variable motor, promptly can't guarantee the setting accuracy of the first cylinder top dead center position, and the eccentric shaft initial position can't be located.
In realizing process of the present invention; The inventor finds that there is following problem at least in existing technology: existing straight-plate-type camshaft rear end slot locating clamp plate can not be applicable to the assembling of full lift range variable motor; And can't guarantee the setting accuracy of the motor first cylinder top dead center position during assembling, the eccentric shaft initial position can't be located.
Summary of the invention
For a kind of camshaft and eccentric shaft rear end slot locating clamp plate that is applicable to full lift range variable motor is provided; And the setting accuracy of the motor first cylinder top dead center position is high when guaranteeing assembling; And the eccentric shaft initial position fix is accurate, and the embodiment of the invention provides a kind of engine cam and eccentric shaft rear end slot locating clamp plate and assembly method.Said technological scheme is following:
A kind of engine cam and eccentric shaft rear end slot locating clamp plate; Form by admission cam shaft rear end slot locating clamp plate, exhaust cam shaft rear end slot locating clamp plate and eccentric shaft rear end slot locating clamp plate three parts; Said admission cam shaft rear end slot locating clamp plate, said exhaust cam shaft rear end slot locating clamp plate and said eccentric shaft rear end slot locating clamp plate are positioned at three different horizontal faces; The inner end of said admission cam shaft rear end slot locating clamp plate is provided with the snapin part A in the rear end slot that can snap in admission cam shaft; The inner end of said eccentric shaft rear end slot locating clamp plate is provided with the snapin part B in the rear end slot that can snap in eccentric shaft, and the inner end of said exhaust cam shaft rear end slot locating clamp plate is provided with the snapin part C in the rear end slot that can snap in exhaust cam shaft.
In order better to realize the foregoing invention purpose, the embodiment of the invention can also comprise following technological scheme:
Said eccentric shaft rear end slot locating clamp plate is in the horizontal and vertical directions all between said admission cam shaft rear end slot locating clamp plate and said exhaust cam shaft rear end slot locating clamp plate.
In order better to realize the foregoing invention purpose, the embodiment of the invention can also comprise following technological scheme:
The horizontal plane at said exhaust cam shaft rear end slot locating clamp plate place is positioned at orlop, and in the middle of the horizontal plane at said eccentric shaft rear end slot locating clamp plate place was positioned at, the horizontal plane at said admission cam shaft rear end slot locating clamp plate place was positioned at the superiors.
In order better to realize the foregoing invention purpose, the embodiment of the invention can also comprise following technological scheme:
Said snapin part A and said snapin part C lay respectively at the centre of said admission cam shaft rear end slot locating clamp plate and said exhaust cam shaft rear end slot locating clamp plate, and said snapin part B is positioned at the end end near said admission cam shaft rear end slot locating clamp plate of said eccentric shaft rear end slot locating clamp plate.
In order better to realize the foregoing invention purpose, the embodiment of the invention can also comprise following technological scheme:
Said admission cam shaft rear end slot locating clamp plate, said exhaust cam shaft rear end slot locating clamp plate and three one-body molded processing of part of said eccentric shaft rear end slot locating clamp plate.
A kind of positioning assembly method that utilizes foregoing any one engine cam and eccentric shaft rear end slot locating clamp plate, wherein, admission cam shaft, exhaust cam shaft and the eccentric shaft location installation step when the first cylinder top dead center comprises:
1) bottom surface of adjustment exhaust cam shaft rear end slot locating clamp plate is concordant with the upper-end surface of the first cylinder cylinder cap;
2) position of adjustment exhaust cam shaft snaps in the rear end slot of exhaust cam shaft the snapin part C of exhaust cam shaft rear end slot locating clamp plate;
3) position of adjustment eccentric shaft snaps in the rear end slot of eccentric shaft the snapin part B of eccentric shaft rear end slot locating clamp plate;
4) position of adjustment admission cam shaft snaps in the rear end slot of admission cam shaft the snapin part A of admission cam shaft rear end slot locating clamp plate.
The beneficial effect that the technological scheme that the embodiment of the invention provides is brought is: through camshaft and eccentric shaft rear end slot locating clamp plate being designed to be positioned at three parts on three different planes; Be used to locate inlet and outlet camshaft and eccentric shaft; Easy to use, accurate positioning; And corresponding positioning assembly method can accurately be confirmed position and the initial position of eccentric shaft of inlet and outlet camshaft when the first cylinder top dead center, the validity height of engine timing phase place.
Description of drawings
Fig. 1 is the camshaft and the location schematic representation of eccentric shaft rear end slot locating clamp plate when the first cylinder top dead center of the embodiment of the invention;
Fig. 2 is the camshaft of the embodiment of the invention and the stereogram of eccentric shaft rear end slot locating clamp plate.
In the accompanying drawing, the component list of each label representative is following:
1, exhaust cam shaft rear end slot locating clamp plate; 2, exhaust cam shaft; 3, eccentric shaft rear end slot locating clamp plate; 4, eccentric shaft; 5, admission cam shaft rear end slot locating clamp plate; 6, admission cam shaft; 7, snapin part A; 8, snapin part B; 9, snapin part C; 10, cylinder cap.
Embodiment
For making the object of the invention, technological scheme and advantage clearer, will combine accompanying drawing that embodiment of the present invention is done to describe in detail further below.
As shown in Figure 2, the technological scheme of the camshaft of the embodiment of the invention and eccentric shaft rear end slot locating clamp plate is:
A kind of engine cam and eccentric shaft rear end slot locating clamp plate; Form by admission cam shaft rear end slot locating clamp plate 5, exhaust cam shaft rear end slot locating clamp plate 1 and eccentric shaft rear end slot locating clamp plate 3 three parts; Admission cam shaft rear end slot locating clamp plate 5, exhaust cam shaft rear end slot locating clamp plate 1 and eccentric shaft rear end slot locating clamp plate 3 are positioned at three different horizontal faces; The inner end of admission cam shaft rear end slot locating clamp plate 5 is provided with the snapin part A7 in the rear end slot that can snap in admission cam shaft 6; The inner end of eccentric shaft rear end slot locating clamp plate 3 is provided with the snapin part B8 in the rear end slot that can snap in eccentric shaft 4, and the inner end of exhaust cam shaft rear end slot locating clamp plate 1 is provided with the snapin part C9 in the rear end slot that can snap in exhaust cam shaft 2.
Eccentric shaft rear end slot locating clamp plate 3 is between admission cam shaft rear end slot locating clamp plate 5 and exhaust cam shaft rear end slot locating clamp plate 1.
The horizontal plane at exhaust cam shaft rear end slot locating clamp plate 1 place is positioned at orlop, and in the middle of the horizontal plane at eccentric shaft rear end slot locating clamp plate 3 places was positioned at, the horizontal plane at admission cam shaft rear end slot locating clamp plate 5 places was positioned at the superiors.
Snapin part A7 and snapin part C9 lay respectively at the centre of admission cam shaft rear end slot locating clamp plate 5 and exhaust cam shaft rear end slot locating clamp plate 1, and snapin part B8 is positioned at the end end near admission cam shaft rear end slot locating clamp plate 5 of eccentric shaft rear end slot locating clamp plate 3.
Admission cam shaft rear end slot locating clamp plate 5, exhaust cam shaft rear end slot locating clamp plate 1 and 3 three one-body molded processing of part of eccentric shaft rear end slot locating clamp plate.
With reference to shown in Figure 1, utilize the technological scheme of positioning assembly method of camshaft and the eccentric shaft rear end slot locating clamp plate of the embodiment of the invention to be: admission cam shaft 6, exhaust cam shaft 2 and the eccentric shaft 4 location installation step when the first cylinder top dead center comprises:
1) bottom surface of adjustment exhaust cam shaft rear end slot locating clamp plate 1 is concordant with the upper-end surface of the cylinder cap 10 of first cylinder;
2) position of adjustment exhaust cam shaft 2 snaps in the rear end slot of exhaust cam shaft 2 the snapin part C9 of exhaust cam shaft rear end slot locating clamp plate 1;
3) position of adjustment eccentric shaft 4 snaps in the rear end slot of eccentric shaft 4 the snapin part B8 of eccentric shaft rear end slot locating clamp plate 3;
4) position of adjustment admission cam shaft 6 snaps in the rear end slot of admission cam shaft 6 the snapin part A7 of admission cam shaft rear end slot locating clamp plate 5.
After exhaust cam shaft 2, eccentric shaft 4 and admission cam shaft 6 position when the first cylinder top dead center located successively, confirm the position of bent axle when the first cylinder top dead center then, the correct time train is installed at last gets final product; This full lift range variable engine timing train assembly method; Because of admission cam shaft 6, exhaust cam shaft 2 and eccentric shaft 4 are just tightened camshaft timing belt pulley and camshaft connecting bolt after adopting camshaft and eccentric shaft rear end slot locating clamp plate location, the bent axle of the embodiment of the invention to adopt fastening screw location and Timing Belt tensioning, so can improve the validity of initial phase of setting accuracy and the eccentric shaft of engine timing phase place.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. engine cam and eccentric shaft rear end slot locating clamp plate; It is characterized in that; Form by admission cam shaft rear end slot locating clamp plate, exhaust cam shaft rear end slot locating clamp plate and eccentric shaft rear end slot locating clamp plate three parts; Said admission cam shaft rear end slot locating clamp plate, said exhaust cam shaft rear end slot locating clamp plate and said eccentric shaft rear end slot locating clamp plate are positioned at three different horizontal faces; The inner end of said admission cam shaft rear end slot locating clamp plate is provided with the snapin part A in the rear end slot that can snap in admission cam shaft; The inner end of said eccentric shaft rear end slot locating clamp plate is provided with the snapin part B in the rear end slot that can snap in eccentric shaft, and the inner end of said exhaust cam shaft rear end slot locating clamp plate is provided with the snapin part C in the rear end slot that can snap in exhaust cam shaft.
2. engine cam according to claim 1 and eccentric shaft rear end slot locating clamp plate; It is characterized in that said eccentric shaft rear end slot locating clamp plate is in the horizontal and vertical directions all between said admission cam shaft rear end slot locating clamp plate and said exhaust cam shaft rear end slot locating clamp plate.
3. engine cam according to claim 1 and 2 and eccentric shaft rear end slot locating clamp plate; It is characterized in that; The horizontal plane at said exhaust cam shaft rear end slot locating clamp plate place is positioned at orlop; In the middle of the horizontal plane at said eccentric shaft rear end slot locating clamp plate place was positioned at, the horizontal plane at said admission cam shaft rear end slot locating clamp plate place was positioned at the superiors.
4. engine cam according to claim 1 and 2 and eccentric shaft rear end slot locating clamp plate; It is characterized in that; Said snapin part A and said snapin part C lay respectively at the centre of said admission cam shaft rear end slot locating clamp plate and said exhaust cam shaft rear end slot locating clamp plate, and said snapin part B is positioned at the end end near said admission cam shaft rear end slot locating clamp plate of said eccentric shaft rear end slot locating clamp plate.
5. engine cam according to claim 3 and eccentric shaft rear end slot locating clamp plate; It is characterized in that; Said snapin part A and said snapin part C lay respectively at the centre of said admission cam shaft rear end slot locating clamp plate and said exhaust cam shaft rear end slot locating clamp plate, and said snapin part B is positioned at the end end near said admission cam shaft rear end slot locating clamp plate of said eccentric shaft rear end slot locating clamp plate.
6. engine cam according to claim 1 and 2 and eccentric shaft rear end slot locating clamp plate; It is characterized in that said admission cam shaft rear end slot locating clamp plate, said exhaust cam shaft rear end slot locating clamp plate and three one-body molded processing of part of said eccentric shaft rear end slot locating clamp plate.
7. engine cam according to claim 3 and eccentric shaft rear end slot locating clamp plate; It is characterized in that said admission cam shaft rear end slot locating clamp plate, said exhaust cam shaft rear end slot locating clamp plate and three one-body molded processing of part of said eccentric shaft rear end slot locating clamp plate.
8. engine cam according to claim 4 and eccentric shaft rear end slot locating clamp plate; It is characterized in that said admission cam shaft rear end slot locating clamp plate, said exhaust cam shaft rear end slot locating clamp plate and three one-body molded processing of part of said eccentric shaft rear end slot locating clamp plate.
9. engine cam according to claim 5 and eccentric shaft rear end slot locating clamp plate; It is characterized in that said admission cam shaft rear end slot locating clamp plate, said exhaust cam shaft rear end slot locating clamp plate and three one-body molded processing of part of said eccentric shaft rear end slot locating clamp plate.
10. positioning assembly method that utilizes arbitrary described engine cam of claim 1-9 and eccentric shaft rear end slot locating clamp plate; It is characterized in that admission cam shaft, exhaust cam shaft and the eccentric shaft location installation step when the first cylinder top dead center comprises:
1) bottom surface of adjustment exhaust cam shaft rear end slot locating clamp plate is concordant with the upper-end surface of the first cylinder cylinder cap;
2) position of adjustment exhaust cam shaft snaps in the rear end slot of exhaust cam shaft the snapin part C of exhaust cam shaft rear end slot locating clamp plate;
3) position of adjustment eccentric shaft snaps in the rear end slot of eccentric shaft the snapin part B of eccentric shaft rear end slot locating clamp plate;
4) position of adjustment admission cam shaft snaps in the rear end slot of admission cam shaft the snapin part A of admission cam shaft rear end slot locating clamp plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010249728XA CN101915135B (en) | 2010-08-05 | 2010-08-05 | Locating clamp plate for engine cam shaft and eccentric shaft rear end slot and assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010249728XA CN101915135B (en) | 2010-08-05 | 2010-08-05 | Locating clamp plate for engine cam shaft and eccentric shaft rear end slot and assembly method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101915135A CN101915135A (en) | 2010-12-15 |
| CN101915135B true CN101915135B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010249728XA Active CN101915135B (en) | 2010-08-05 | 2010-08-05 | Locating clamp plate for engine cam shaft and eccentric shaft rear end slot and assembly method |
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| Country | Link |
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| CN (1) | CN101915135B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004132339A (en) * | 2002-10-15 | 2004-04-30 | Toyota Motor Corp | Valve system for internal combustion engine and camshaft assembling method for the same |
| CN1614200A (en) * | 2004-12-03 | 2005-05-11 | 长安汽车（集团）有限责任公司 | Timing gear installing method for engjine |
| CN1786427A (en) * | 2004-12-06 | 2006-06-14 | 奇瑞汽车有限公司 | Engine, its timing assembling method and its special assembling tool |
| CN101545384A (en) * | 2008-03-24 | 2009-09-30 | 马自达汽车株式会社 | Assembling method for timing system of engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09296707A (en) * | 1996-04-30 | 1997-11-18 | Suzuki Motor Corp | Valve clearance regulating jig and method thereof |
-
2010
- 2010-08-05 CN CN201010249728XA patent/CN101915135B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004132339A (en) * | 2002-10-15 | 2004-04-30 | Toyota Motor Corp | Valve system for internal combustion engine and camshaft assembling method for the same |
| CN1614200A (en) * | 2004-12-03 | 2005-05-11 | 长安汽车（集团）有限责任公司 | Timing gear installing method for engjine |
| CN1786427A (en) * | 2004-12-06 | 2006-06-14 | 奇瑞汽车有限公司 | Engine, its timing assembling method and its special assembling tool |
| CN101545384A (en) * | 2008-03-24 | 2009-09-30 | 马自达汽车株式会社 | Assembling method for timing system of engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101915135A (en) | 2010-12-15 |
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