CN201546770U - Gasoline engine distribution camshaft - Google Patents
Gasoline engine distribution camshaft Download PDFInfo
- Publication number
- CN201546770U CN201546770U CN2009202074979U CN200920207497U CN201546770U CN 201546770 U CN201546770 U CN 201546770U CN 2009202074979 U CN2009202074979 U CN 2009202074979U CN 200920207497 U CN200920207497 U CN 200920207497U CN 201546770 U CN201546770 U CN 201546770U
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- camshaft
- angle
- cam
- range value
- lift
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Abstract
The utility model relates to a gasoline engine distribution camshaft which is shared by air inlet and air exhaust, the low speed power and the low speed torque of an engine are increased through improving lift parameters of the camshaft, power points and torque points reduce 1000RPM, the maximum torque is increased 5 percent, the lowest oil consumption is reduced, and the emission of the engine is superior to an original machine type.
Description
Technical field
The utility model relates to a kind of camshaft, relates in particular to a kind of petrol engine distribution cam axle.
Background technique
Valve cam that the intake and exhaust of internal-combustion engine are used and molded lines thereof, be related to the combustion noise of cam fullness coefficient, inflation performance, internal-combustion engine output power, torque output of combustion engine, oil consumption, internal-combustion engine and the vibrations of motor etc., directly determine the fuel oil whether composition of harmful gas and concentration etc. in sufficient combustion, the exhaust emissions.Along with the raising of environmental consciousness and country adopt stricter exhaust emission standard,, the overall performance of internal-combustion engine there is further requirement as the Europe III of automobile, motorcycle etc., the popularization and the mandatory adoption of Europe IV emission standard.
As CG200 type motorcycle gasoline engine of the prior art, be the motor of intake and exhaust rocking arm, 2 valves, Carburetor, Europe II discharging under the single cam of the underlying top.The discharge capacity of motor is 200ml.The maximum lift of valve cam is 6.25mm.The peak output of motor is 10.8KW (7500rpm), and Maximum Torque is 15.4N.m (5500rpm), consumption minimization≤310g/Kw.h.Its oil consumption is higher.At energy ballooning oil prices, high, and the driver requires today of harshness to the abundant low-speed dynamic performance of motor-tricycle and urban type road two-wheeled motor vehicle, be necessary the petrolic valve cam of this type is improved, and then make the improvement that above-mentioned relevant parameter index is more optimized.
The model utility content
The purpose of this utility model is to provide a kind of petrol engine distribution cam axle, and the cam of the utility model convexity wheel shaft has the lift parameter of more optimizing.
The purpose of this utility model is achieved in that a kind of petrol engine distribution cam axle, it is characterized in that: the cam of described camshaft is that air inlet and exhaust are shared, its cam rotate a circle lift such as following table:
| Angle (°) | Lift range value (mm) | Angle (°) | Lift range value (mm) | Angle (°) | Lift range value (mm) | Angle (°) | Lift range value (mm) |
| 0 | 0.000 | 95 | 0.006 | 185 | 6.122 | 275 | 0.000 |
| 5 | 0.000 | 100 | 0.032 | 190 | 5.762 | 280 | 0.000 |
| 10 | 0.000 | 105 | 0.078 | 195 | 5.177 | 285 | 0.000 |
| 15 | 0.000 | 110 | 0.129 | 200 | 4.440 | 290 | 0.000 |
| 20 | 0.000 | 115 | 0.177 | 205 | 3.661 | 295 | 0.000 |
| 25 | 0.000 | 120 | 0.267 | 210 | 2.912 | 300 | 0.000 |
| 30 | 0.000 | 125 | 0.436 | 215 | 2.235 | 305 | 0.000 |
| Angle (°) | Lift range value (mm) | Angle (°) | Lift range value (mm) | Angle (°) | Lift range value (mm) | Angle (°) | Lift range value (mm) |
| 35 | 0.000 | 130 | 0.696 | 220 | 1.651 | 310 | 0.000 |
| 40 | 0.000 | 135 | 1.059 | 225 | 1.168 | 315 | 0.000 |
| 45 | 0.000 | 140 | 1.533 | 230 | 0.784 | 320 | 0.000 |
| 50 | 0.000 | 145 | 2.124 | 235 | 0.498 | 325 | 0.000 |
| 55 | 0.000 | 150 | 2.833 | 240 | 0.306 | 330 | 0.000 |
| 60 | 0.000 | 155 | 3.640 | 245 | 0.197 | 335 | 0.000 |
| 65 | 0.000 | 160 | 4.488 | 250 | 0.142 | 340 | 0.000 |
| 70 | 0.000 | 165 | 5.258 | 255 | 0.095 | 345 | 0.000 |
| 75 | 0.000 | 170 | 5.819 | 260 | 0.045 | 350 | 0.000 |
| 80 | 0.000 | 175 | 6.150 | 265 | 0.012 | 355 | 0.000 |
| 85 | 0.000 | 180 | 6.250 | 270 | 0.000 | 360 | 0.000 |
| 90 | 0.000 |
The utlity model has following beneficial effect: the camshaft in the utility model, under the situation of this type distribution device rigidity and intensity permission, improve by lift parameter shared cam, make the port timing of motor be improved, and then the intake and exhaust unlatching is delayed constantly, the intake and exhaust close moment in advance, promptly 5 degree are delayed in the unlatching of valve constantly, close moment is 4 degree in advance, and micro-top speed and the acceleration that has improved valve, and have characteristics such as fullness coefficient is big, inflation performance height.The maximum lift of the cam of this camshaft is 6.250mm, and the peak output of motor is 10.8KW (6500rpm), and Maximum Torque is 16.2N.m (4500rpm), consumption minimization≤300g/Kw.h.Except that the cam maximum lift is constant,, cam fullness coefficient, inflation performance are improved, and camshaft other size except that cam profile does not change by cam lift is optimized.CG200 type motorcycle gasoline engine of the prior art compares, the utility model has improved low speed power, the low speed torque of motor, and power points and torque point reduce 1000RPM, and Maximum Torque improves 5%, and reduced consumption minimization, and made the discharging of motor be better than former type.
Description of drawings
Fig. 1 is the utility model embodiment 1 a plan view.
Fig. 2 is the utility model embodiment 1 a left view.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but therefore the utility model is not limited among the following concrete mode.
Embodiment 1: a kind of petrol engine distribution cam axle, described camshaft are that air inlet and exhaust are shared, its cam rotate a circle lift such as following table:
| Angle (°) | Lift range value (mm) | Angle (°) | Lift range value (mm) | Angle (°) | Lift range value (mm) | Angle (°) | Lift range value (mm) |
| 0 | 0.000 | 95 | 0.006 | 185 | 6.122 | 275 | 0.000 |
| 5 | 0.000 | 100 | 0.032 | 190 | 5.762 | 280 | 0.000 |
| 10 | 0.000 | 105 | 0.078 | 195 | 5.177 | 285 | 0.000 |
| 15 | 0.000 | 110 | 0.129 | 200 | 4.440 | 290 | 0.000 |
| 20 | 0.000 | 115 | 0.177 | 205 | 3.661 | 295 | 0.000 |
| 25 | 0.000 | 120 | 0.267 | 210 | 2.912 | 300 | 0.000 |
| 30 | 0.000 | 125 | 0.436 | 215 | 2.235 | 305 | 0.000 |
| 35 | 0.000 | 130 | 0.696 | 220 | 1.651 | 310 | 0.000 |
| 40 | 0.000 | 135 | 1.059 | 225 | 1.168 | 315 | 0.000 |
| 45 | 0.000 | 140 | 1.533 | 230 | 0.784 | 320 | 0.000 |
| 50 | 0.000 | 145 | 2.124 | 235 | 0.498 | 325 | 0.000 |
| 55 | 0.000 | 150 | 2.833 | 240 | 0.306 | 330 | 0.000 |
| 60 | 0.000 | 155 | 3.640 | 245 | 0.197 | 335 | 0.000 |
| 65 | 0.000 | 160 | 4.488 | 250 | 0.142 | 340 | 0.000 |
| 70 | 0.000 | 165 | 5.258 | 255 | 0.095 | 345 | 0.000 |
| 75 | 0.000 | 170 | 5.819 | 260 | 0.045 | 350 | 0.000 |
| 80 | 0.000 | 175 | 6.150 | 265 | 0.012 | 355 | 0.000 |
| 85 | 0.000 | 180 | 6.250 | 270 | 0.000 | 360 | 0.000 |
| 90 | 0.000 |
As shown in Figure 1, wherein 1 is air inlet and the shared camshaft of exhaust, and this camshaft more is applicable to the petrol engine as the CG200 type.
Claims (1)
1. petrol engine distribution cam axle, it is characterized in that: described camshaft is that air inlet and exhaust are shared, its cam rotate a circle lift such as following table:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202074979U CN201546770U (en) | 2009-12-04 | 2009-12-04 | Gasoline engine distribution camshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202074979U CN201546770U (en) | 2009-12-04 | 2009-12-04 | Gasoline engine distribution camshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201546770U true CN201546770U (en) | 2010-08-11 |
Family
ID=42601943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202074979U Expired - Fee Related CN201546770U (en) | 2009-12-04 | 2009-12-04 | Gasoline engine distribution camshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201546770U (en) |
-
2009
- 2009-12-04 CN CN2009202074979U patent/CN201546770U/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: 20100811 Termination date: 20171204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |