CN203374336U - Four-valve camshaft of six-cylinder diesel engine - Google Patents
Four-valve camshaft of six-cylinder diesel engine Download PDFInfo
- Publication number
- CN203374336U CN203374336U CN201320446516.XU CN201320446516U CN203374336U CN 203374336 U CN203374336 U CN 203374336U CN 201320446516 U CN201320446516 U CN 201320446516U CN 203374336 U CN203374336 U CN 203374336U
- Authority
- CN
- China
- Prior art keywords
- center line
- cylinder
- cam
- locating stud
- line angle
- 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
- 244000144730 Amygdalus persica Species 0.000 claims description 48
- 235000006040 Prunus persica var persica Nutrition 0.000 claims description 48
- 238000010586 diagram Methods 0.000 description 12
- 239000000446 fuel Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
A four-valve camshaft of a six-cylinder diesel engine includes a first-cylinder intake cam, a first-cylinder exhaust cam, a second-cylinder intake cam, a second-cylinder exhaust cam, a third-cylinder intake cam, a third-cylinder exhaust cam, a fourth-cylinder intake cam, a fourth-cylinder exhaust cam, a fifth-cylinder intake cam, a fifth-cylinder exhaust cam, a sixth-cylinder intake cam, a sixth-cylinder exhaust cam and a locating pin. The included angle between the center line of the top point of the first-cylinder intake cam and the center line of the locating pin is 131+/-1 degrees, and the included angle between the center line of the top point of the first-cylinder exhaust cam and the center line of the locating pin is 126.25+/-1 degrees; the included angle between the center line of the top point of the second-cylinder intake cam and the center line of the locating pin is 109+/-1 degrees, and the included angle between the center line of the top point of the second-cylinder exhaust cam and the center line of the locating pin is 6.25+/-1 degrees; the included angle between the center line of the top point of the third-cylinder intake cam and the center line of the locating pin is 11+/-1 degrees, and the included angle between the center line of the top point of the third-cylinder exhaust cam and the center line of the locating pin is 113.75+/-1 degrees; the included angle between the center line of the top point of the fourth-cylinder intake cam and the center line of the locating pin is 169+/-1 degrees, and the included angle between the center line of the top point of the fourth-cylinder exhaust cam and the center line of the locating pin is 66.25+/-1 degrees; the included angle between the center line of the top point of the fifth-cylinder intake cam and the center line of the locating pin is 71+/-1 degrees, and the included angle between the center line of the top point of the fifth-cylinder exhaust cam and the center line of the locating pin is 173.75+/-1 degrees; the included angle between the center line of the top point of the sixth-cylinder intake cam and the center line of the locating pin is 49+/-1 degrees, and the included angle between the center line of the top point of the sixth-cylinder exhaust cam and the center line of the locating pin is 53.75+/-1 degrees.
Description
technical field:
The utility model belongs to field of internal combustion engine, relates to a kind of cam shaft for diesel engine, relates in particular to a kind of six-cylinder diesel engine four valve camshafts.
background technique:
Along with the fast development of the industries such as China's automobile, engineering machinery, farm machinery, especially the demand of heavy truck, large-scale engineering machinery and large-scale farm machinery constantly increases, and the demand of high-power diesel engine is also being increased sharply.But the discharge pollution on the environment of these big machineries is more and more serious.Therefore, national governments, for environmental contamination reduction, have all formulated strict Abgasgesetz.Therefore, diesel engine product employing Four-valve cylinder head technology is effective for the pollution that controls environment.
For the Four-valve cylinder head diesel engine, can increase circulation area, reduce gas exchange loss, merit or pumping loss minimizing like this can make to take a breath, charging efficiency improves, can more effectively organize air-fuel mixture and burning, this just has higher requirement to the port timing of cam shaft for diesel engine and the optimal design of lift.
the model utility content:
The purpose of this utility model is to provide a kind of energy fine six-cylinder diesel engine four valve camshafts that meet Four-valve cylinder head diesel engine distribution requirement.
The technical solution of the utility model is: six-cylinder diesel engine four valve camshafts comprise: key, a cylinder intake cam, a cylinder exhaust cam, two cylinder intake cam, two cylinder exhaust cam, three cylinder intake cams, three cylinder exhaust cams, four cylinder intake cams, four cylinder exhaust cams, five cylinder intake cams, five cylinder exhaust cams, six cylinder intake cams, six cylinder exhaust cams, locating stud, locating stud position on camshaft is in the rear end of camshaft, one cylinder intake cam peach point center line and locating stud center line angle are 131 ° ± 1 °, one cylinder exhaust cam peach point center line and locating stud center line angle are 126.25 ° ± 1 °, two cylinder intake cam peach point center line and locating stud center line angle are 109 ° ± 1 °, two cylinder exhaust cam peach point center line and locating stud center line angle are 6.25 ° ± 1 °, three cylinder intake cam peach point center lines and locating stud center line angle are 11 ° ± 1 °, three cylinder exhaust cam peach point center lines and locating stud center line angle are 113.75 ° ± 1 °, four cylinder intake cam peach point center lines and locating stud center line angle are 169 ° ± 1 °, four cylinder exhaust cam peach point center lines and locating stud center line angle are 66.25 ° ± 1 °, five cylinder intake cam peach point center lines and locating stud center line angle are 71 ° ± 1 °, five cylinder exhaust cam peach point center lines and locating stud center line angle are 173.75 ° ± 1 °, six cylinder intake cam peach point center lines and locating stud center line angle are 49 ° ± 1 °, six cylinder exhaust cam peach point center lines and locating stud center line angle are 53.75 ° ± 1 °.
The utility model can reach following good effect after adopting above technological scheme: through the accurate Calculation cam profile, the variation of the reasonable arrangement inlet and exhaust valve opening and closing moment and lift, improve charging efficiency, reduce pumping loss, effectively organize air-fuel mixture and burning; While is speed and the acceleration of reduce valve again, reduces the rigidity of valve inertial force and valve spring, reduces the contact stress of camshaft and tappet, makes its stable working, and vibration noise is little, and reliability is high.
the accompanying drawing explanation:
The structural representation that Fig. 1 is the utility model six-cylinder diesel engine four valve camshafts.
Fig. 2 is the utility model six-cylinder diesel engine four valve camshaft one cylinder intake cam peach point center line and locating stud center line angle schematic diagram;
Fig. 3 is the utility model six-cylinder diesel engine four valve camshaft one cylinder exhaust cam peach point center line and locating stud center line angle schematic diagram;
Fig. 4 is the utility model six-cylinder diesel engine four valve camshaft two cylinder intake cam peach point center line and locating stud center line angle schematic diagram;
Fig. 5 is the utility model six-cylinder diesel engine four valve camshaft two cylinder exhaust cam peach point center line and locating stud center line angle schematic diagram;
Fig. 6 is the utility model six-cylinder diesel engine four valve camshaft three cylinder intake cam peach point center line and locating stud center line angle schematic diagram;
Fig. 7 is the utility model six-cylinder diesel engine four valve camshaft three cylinder exhaust cam peach point center line and locating stud center line angle schematic diagram;
Fig. 8 is the utility model six-cylinder diesel engine four valve camshaft four cylinder intake cam peach point center line and locating stud center line angle schematic diagram;
Fig. 9 is the utility model six-cylinder diesel engine four valve camshaft four cylinder exhaust cam peach point center line and locating stud center line angle schematic diagram.
Figure 10 is the utility model six-cylinder diesel engine four valve camshaft five cylinder intake cam peach point center line and locating stud center line angle schematic diagram;
Figure 11 is the utility model six-cylinder diesel engine four valve camshaft five cylinder exhaust cam peach point center line and locating stud center line angle schematic diagram;
Figure 12 is the utility model six-cylinder diesel engine four valve camshaft six cylinder intake cam peach point center line and locating stud center line angle schematic diagram;
Figure 13 is the utility model six-cylinder diesel engine four valve camshaft six cylinder exhaust cam peach point center line and locating stud center line angle schematic diagram.
embodiment:
Below in conjunction with accompanying drawing, the utility model is described further.As shown in Fig. 1～13, six-cylinder diesel engine four valve camshafts comprise: a cylinder intake cam 1, a cylinder exhaust cam 2, two cylinder intake cam 3, two cylinder exhaust cam 4, three cylinder intake cams 5, three cylinder exhaust cams 6, four cylinder intake cams 7, four cylinder exhaust cams 8, five cylinder intake cams 9, five cylinder exhaust cams 10, six cylinder intake cams 11, six cylinder exhaust cams 12, locating stud 13; it is characterized in that: camshaft locating stud 13 is arranged on the camshaft rear end, one cylinder intake cam 1 peach point center line and locating stud 13 center line angle α 1 are 131 ° ± 1 °, one cylinder exhaust cam 2 peach point center lines and locating stud 13 center line angle α 2 are 126.25 ° ± 1 °, two cylinder intake cam 3 peach point center lines and locating stud 13 center line angle α 3 are 109 ° ± 1 °, two cylinder exhaust cam 4 peach point center lines and locating stud 13 center line angle α 4 are 6.25 ° ± 1 °, three cylinder intake cam 5 peach point center lines and locating stud 13 center line angle α 5 are 11 ° ± 1 °, three cylinder exhaust cam 6 peach point center lines and locating stud 13 center line angle α 6 are 113.75 ° ± 1 °, four cylinder intake cam 7 peach point center lines and locating stud 13 center line angle α 7 are 169 ° ± 1 °, four cylinder exhaust cam 8 peach point center lines and locating stud 13 center line angle α 8 are 66.25 ° ± 1 °, five cylinder intake cam 9 peach point center lines and locating stud 13 center line angle α 9 are 71 ° ± 1 °, five cylinder exhaust cam 10 peach point center lines and locating stud 13 center line angle α 10 are 173.75 ° ± 1 °, six cylinder intake cam 11 peach point center lines and locating stud 13 center line angle α 11 are 49 ° ± 1 °, six cylinder exhaust cam 12 peach point center lines and locating stud 13 center line angle α 12 are 53.75 ° ± 1 °.
Test shows, by the opening and closing of reasonable arrangement inlet and exhaust valve constantly and the variation of lift, can increase the diesel engine circulation area, improves charging efficiency, reduces pumping loss, can more effectively impel air-fuel mixture and burning; Better meet the need of work of four-valve diesel engine.
Claims (1)
1. six-cylinder diesel engine four valve camshafts, comprising: a cylinder intake cam (1), a cylinder exhaust cam (2), two cylinder intake cam (3), two cylinder exhaust cam (4), three cylinder intake cams (5), three cylinder exhaust cams (6), four cylinder intake cams (7), four cylinder exhaust cams (8), five cylinder intake cams (9), five cylinder exhaust cams (10), six cylinder intake cams (11), six cylinder exhaust cams (12), locating stud (13); it is characterized in that: camshaft locating stud (13) is arranged on the camshaft rear end, one cylinder intake cam (1) peach point center line and locating stud (13) center line angle (α 1) are 131 ° ± 1 °, one cylinder exhaust cam (2) peach point center line and locating stud (13) center line angle (α 2) are 126.25 ° ± 1 °, two cylinder intake cam (3) peach point center line and locating stud (13) center line angle (α 3) are 109 ° ± 1 °, two cylinder exhaust cam (4) peach point center line and locating stud (13) center line angle (α 4) are 6.25 ° ± 1 °, three cylinder intake cam (5) peach point center lines and locating stud (13) center line angle (α 5) are 11 ° ± 1 °, three cylinder exhaust cam (6) peach point center lines and locating stud (13) center line angle (α 6) are 113.75 ° ± 1 °, four cylinder intake cam (7) peach point center lines and locating stud (13) center line angle (α 7) are 169 ° ± 1 °, four cylinder exhaust cam (8) peach point center lines and locating stud (13) center line angle (α 8) are 66.25 ° ± 1 °, five cylinder intake cam (9) peach point center lines and locating stud (13) center line angle (α 9) are 71 ° ± 1 °, five cylinder exhaust cam (10) peach point center lines and locating stud (13) center line angle (α 10) are 173.75 ° ± 1 °, six cylinder intake cam (11) peach point center lines and locating stud (13) center line angle (α 11) are 49 ° ± 1 °, six cylinder exhaust cam (12) peach point center lines and locating stud (13) center line angle (α 12) are 53.75 ° ± 1 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320446516.XU CN203374336U (en) | 2013-07-25 | 2013-07-25 | Four-valve camshaft of six-cylinder diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320446516.XU CN203374336U (en) | 2013-07-25 | 2013-07-25 | Four-valve camshaft of six-cylinder diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374336U true CN203374336U (en) | 2014-01-01 |
Family
ID=49836869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320446516.XU Expired - Fee Related CN203374336U (en) | 2013-07-25 | 2013-07-25 | Four-valve camshaft of six-cylinder diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203374336U (en) |
-
2013
- 2013-07-25 CN CN201320446516.XU patent/CN203374336U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203669951U (en) | Gas distribution cam profile of natural gas engine for automobile | |
| CN203669952U (en) | Gas distribution cam profile of diesel engine for automobile | |
| CN203374336U (en) | Four-valve camshaft of six-cylinder diesel engine | |
| CN219139151U (en) | Camshaft structure of variable valve | |
| CN102168615B (en) | Control method of EGR (exhaust gas recirculation) control system of engine | |
| CN208858423U (en) | A kind of admission cam shaft of Atkinson cycle | |
| CN203067046U (en) | Camshaft of four-cylinder four-valve diesel engine | |
| CN202348439U (en) | Novel internal-combustion engine transmission device | |
| CN201535182U (en) | Diesel engine cam shaft | |
| CN203978608U (en) | Asynchronous twin cylinder engine | |
| CN103362582B (en) | Engine cam shaft inlet cam | |
| CN201297187Y (en) | A high-power diesel engine camshaft structure with adjustable phase angle | |
| CN214577251U (en) | Exhaust camshaft for reducing emission and oil consumption of engine | |
| CN203257495U (en) | Engine camshaft with wrap angle increased, corresponding Miller cycle engine and automobile | |
| CN207526541U (en) | A kind of exhaust cam shaft of in-line four cylinder turbocharged engine | |
| CN203925634U (en) | A kind of petrol engine cam | |
| CN201013451Y (en) | One-cylinder-two-piston mechanism of combustion engine | |
| CN202152693U (en) | Diesel cam structure | |
| CN203296843U (en) | Camshaft with valve overlap angle being 0 | |
| CN204984515U (en) | V8 type diesel engine valve drive arrangement | |
| CN203783664U (en) | Cam shaft for diesel engine | |
| CN103573317B (en) | Internal-combustion engine and camshaft thereof | |
| CN220566154U (en) | Three-cylinder star-shaped engine applied to automobile | |
| CN203925635U (en) | A kind of Gasoline HCCI cam | |
| CN205503210U (en) | Ladder rod -type valve |
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: 20140101 Termination date: 20210725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |