CN201786467U - Integral cylinder head of motorcycle engine - Google Patents
Integral cylinder head of motorcycle engine Download PDFInfo
- Publication number
- CN201786467U CN201786467U CN2010202768126U CN201020276812U CN201786467U CN 201786467 U CN201786467 U CN 201786467U CN 2010202768126 U CN2010202768126 U CN 2010202768126U CN 201020276812 U CN201020276812 U CN 201020276812U CN 201786467 U CN201786467 U CN 201786467U
- Authority
- CN
- China
- Prior art keywords
- cylinder head
- installation cavity
- engine
- motorcycle engine
- mounting cavity
- 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
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- Lubrication Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a cylinder head structure of a motorcycle engine, particularly to an integral cylinder head of a motorcycle engine. The integral cylinder head is provided thereon with a camshaft mounting cavity (1) and a chain mounting cavity (2); and the chain mounting cavity (2) is communicated with an engine case cavity. The integral cylinder head is characterized in that a circulation passage (4) is arranged between the camshaft mounting cavity (1) and the chain mounting cavity (2), so that the camshaft mounting cavity (1) is communicated with the chain mounting cavity (2); and an engine oil filling port (3) is arranged at the top of the cylinder head, and the axial line of the engine oil filling port (3) forms a certain included angle with the bottom surface of the cylinder head. The integral cylinder head is more convenient for the replacement of engine oil under a condition of having no impacts on the space surrounding the motorcycle engine.
Description
Technical field
The utility model belongs to the cylinder head structure of motorcycle engine, relates generally to a kind of motorcycle engine integrated type cylinder head.
Background technique
Motorcycle is in the process of normally riding, engine case body cavity planted agent should lay in the machine oil of a constant volume, guarantee lubricating between the engine component, behind the certain distance of riding, need oil change at regular intervals, during general motorcycle change engine oil, oil discharge screw below engine housing bleeds off machine oil, and the machine oil filler port from the engine housing adds new machine oil then.Especially pedal money motorcycle engine casing is in order to be provided with the machine oil filler port, the housing structure more complicated; The spatial position on casing machine oil filler port next door is limited simultaneously, and is also inconvenient when adding machine oil.
Summary of the invention
The purpose of this utility model provides a kind of motorcycle engine integrated type cylinder head, makes its can be under the situation that does not influence the motorcycle engine surrounding space convenient more change engine oil.
For finishing foregoing invention task the utility model by the following technical solutions:
A kind of motorcycle engine integrated type cylinder head has camshaft rocking arm installation cavity and chain installation cavity on the described integrated type cylinder head; Described chain installation cavity is connected with the engine case body cavity; Between described camshaft rocking arm installation cavity and chain installation cavity, has the structure that circulation passage formation camshaft rocking arm installation cavity and chain installation cavity are interconnected; Have the machine oil filler port at the top of cylinder head, and have certain included angle between the medial axis of machine oil filler port and the cylinder head bottom surface.
Angle theta between described machine oil filler port medial axis and the cylinder head bottom surface is 20 °≤θ≤80 °.
A kind of motorcycle engine integrated type cylinder head that the utility model provides, the more change engine oil that it is convenient under the situation that takes into full account the motorcycle engine surrounding space.
Description of drawings
Fig. 1 is a plan view of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the side view of Fig. 1.
Among the figure: 1, camshaft rocking arm installation cavity, 2, the chain installation cavity, 3, the machine oil filler port, 4, passage, 5, the cylinder head bottom surface.
Embodiment
Engaging the drawings and specific embodiments below is illustrated the utility model:
As accompanying drawing 1 to shown in the accompanying drawing 3: a kind of motorcycle engine integrated type cylinder head has camshaft rocking arm installation cavity 1 and chain installation cavity 2 on the described integrated type cylinder head; Described chain installation cavity 2 is connected with the engine case body cavity; Between described camshaft rocking arm installation cavity 1 and chain installation cavity 2, have circulation passage 4, constitute the structure that camshaft rocking arm installation cavity 1 and chain installation cavity 2 are interconnected; Has machine oil filler port 3 at the top of cylinder head, because when cylinder head is assembled on the motorcycle engine, cylinder head bottom surface 5 is perpendicular to the ground, more during change engine oil, inclination filling for convenient bottled machine oil, machine oil filler port 3 its medial axis and the cylinder head bottom surface 5 at cylinder head top have angle, and this angle theta can be selected between 20 °～80 ° in proportionate relationship between the width of machine oil filler port medial axis, top direction according to cylinder head height and cylinder head; θ among this embodiment=60 °.
During the motorcycle engine oil change at regular intervals, machine oil adds from the machine oil filler port 3 at cylinder head top, flow into chain installation cavity 2 from the passage between cylinder head camshaft rocking arm installation cavity 1 and the chain installation cavity 24 then, flow directly in the engine case body cavity by chain installation cavity 2 at last.
Claims (2)
1. a motorcycle engine integrated type cylinder head has camshaft rocking arm installation cavity (1) and chain installation cavity (2) on the described integrated type cylinder head; Described chain installation cavity (2) is connected with the engine case body cavity; It is characterized in that: between described camshaft rocking arm installation cavity (1) and chain installation cavity (2), have circulation passage (4), constitute the structure that camshaft rocking arm installation cavity (1) and chain installation cavity (2) are interconnected; Have machine oil filler port (3) at the top of cylinder head, and have certain included angle between the medial axis of machine oil filler port (3) and cylinder head bottom surface (5).
2. motorcycle engine integrated type cylinder head according to claim 1 is characterized in that: the medial axis of machine oil filler port (3) and the angle theta between the cylinder head bottom surface are 20 °≤θ≤80 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202768126U CN201786467U (en) | 2010-07-30 | 2010-07-30 | Integral cylinder head of motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202768126U CN201786467U (en) | 2010-07-30 | 2010-07-30 | Integral cylinder head of motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786467U true CN201786467U (en) | 2011-04-06 |
Family
ID=43818434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202768126U Expired - Lifetime CN201786467U (en) | 2010-07-30 | 2010-07-30 | Integral cylinder head of motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201786467U (en) |
-
2010
- 2010-07-30 CN CN2010202768126U patent/CN201786467U/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 |
Granted publication date: 20110406 |
|
| CX01 | Expiry of patent term |