CN203640788U - Camshaft for single-cylinder engine of motorcycle - Google Patents
Camshaft for single-cylinder engine of motorcycle Download PDFInfo
- Publication number
- CN203640788U CN203640788U CN201320727585.8U CN201320727585U CN203640788U CN 203640788 U CN203640788 U CN 203640788U CN 201320727585 U CN201320727585 U CN 201320727585U CN 203640788 U CN203640788 U CN 203640788U
- Authority
- CN
- China
- Prior art keywords
- cam
- camshaft
- cylinder engine
- motorcycle
- model
- 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 - Lifetime
Links
- 210000001624 hip Anatomy 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model discloses a camshaft for the single-cylinder engine of a motorcycle. The camshaft comprises two cams and a shaft, wherein the two cams are both sleeved on the shaft and used for both air intake and air exhaust. According to the utility model, the profiles of the cams on the camshaft are changed, the lift values of the two waists of each cam are increased, and the buffer capacities of the two waists of each cam are enhanced; thus, the fuel consumption is reduced, the maximum output power of the single-cylinder engine is increased by 0.4 KW/h compared with the original model, and the emission condition of the single-cylinder engine is better than that of the original model.
Description
Technical field
The utility model relates to a kind of camshaft, especially motorcycle single-cylinder engine intake and exhaust distribution cam axle used.
Background technique
At present, the molded line of motorcycle engine intake and exhaust distribution cam axle overhead cam used is related to fullness coefficient and the inflation performance of cam, directly affect engine output, engine output torque, oil consumption and combustion noise etc., directly determine whether composition and the concentration etc. of harmful gas in sufficient combustion, exhaust emissions of fuel oil.The today of skyrocketing in energy prices, Consumer requires harsh today to Motorcycle Performance, and each manufacturer is all devoted to study the cam molded line for motorcycle engine that engine output is higher, oil consumption is lower.
Model utility content
The motorcycle single-cylinder engine camshaft that provides a kind of maximum output high is provided technical problem to be solved in the utility model.
The technical solution of the utility model is as follows: a kind of motorcycle single-cylinder engine camshaft, comprise cam (1) and axial region (2), described cam (1) has two, it is upper to be all enclosed within axial region (2), and described cam (1) is that air inlet and exhaust share, and its lift that rotates a circle is as following table:
Beneficial effect: the utility model, by changing the molded line of camshaft overhead cam, improves the lift range value of cam two waists, adds the buffering of big cam two waists, thereby reduce oil consumption, improve the maximum output of motor, increase 0.4KW/h than former type, and the discharge of motor has been better than former type.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of cam.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As depicted in figs. 1 and 2, the utility model comprises cam 1 and axial region 2, and described cam 1 has two, is all enclosed within on axial region 2, and cam 1 is one with axial region 2.Described cam 1 is that air inlet and exhaust share, and its lift that rotates a circle is as following table:
The motorcycle engine that described cam 1 is 100ml for discharge capacity.
Claims (1)
1. a motorcycle single-cylinder engine camshaft, comprises cam (1) and axial region (2), and described cam (1) has two, it is upper to be all enclosed within axial region (2), it is characterized in that: described cam (1) is that air inlet and exhaust share, and its lift that rotates a circle is as following table:
。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727585.8U CN203640788U (en) | 2013-11-16 | 2013-11-16 | Camshaft for single-cylinder engine of motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320727585.8U CN203640788U (en) | 2013-11-16 | 2013-11-16 | Camshaft for single-cylinder engine of motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203640788U true CN203640788U (en) | 2014-06-11 |
Family
ID=50872042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320727585.8U Expired - Lifetime CN203640788U (en) | 2013-11-16 | 2013-11-16 | Camshaft for single-cylinder engine of motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203640788U (en) |
-
2013
- 2013-11-16 CN CN201320727585.8U patent/CN203640788U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140611 |