CN201568147U - Cylinder head of engine - Google Patents
Cylinder head of engine Download PDFInfo
- Publication number
- CN201568147U CN201568147U CN2009202375073U CN200920237507U CN201568147U CN 201568147 U CN201568147 U CN 201568147U CN 2009202375073 U CN2009202375073 U CN 2009202375073U CN 200920237507 U CN200920237507 U CN 200920237507U CN 201568147 U CN201568147 U CN 201568147U
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- Prior art keywords
- cylinder head
- engine
- utility
- cooling
- cylinder body
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to the field of engine design, and discloses a cylinder head of an engine. The cylinder head of the engine comprises a cylinder body and a head cover, wherein a combustion chamber is arranged in the cylinder body, air cooling passages are inside the cylinder head and at the top part of the combustion chamber, and the air cooling passages are respectively communicated with the admission passage and the exhaust passage of the cylinder head, and an ignition plug.
Description
Technical field
The utility model relates to the engine design field, relates in particular to a kind of engine cylinder head that is used for motorcycle.
Background technique
In the prior art, the type of cooling of motorcycle air cooling engine cylinder head can be divided into two big modes: air-cooled, water-cooled.
The motor of discharge capacity below 125CC generally adopts air-cooled mode, the cooling of cylinder head mainly is to rely on the radiating fin on the cylinder head outer wall to cool, and a large amount of heat energy that its acting back, cylinder head firing chamber produces mainly are to rely on lubricant oil to cool off, and are dispelling the heat by the aluminum alloy casing of motor and the radiating fin on cylinder block and the cylinder head indirectly.
Because the heat energy of motor mainly is the acting heat energy that comes from engine chamber, the design of traditional heat-dissipating chip is in order to increase the heat diffusion area of cylinder head integral body, to reach the purpose that improves cold radiating effect.Owing to be subjected to the restriction of motor overall volume and manufacture cost, the overall volume of impossible unconfined increase cylinder head, increase and strengthen the quantity and the volume of radiating fin, therefore radiating effect will better be improved, adopt traditional design to be difficult to realize the problems such as overheated and hot acc power loss when also therefore existing air cooling engine can not solve the motor operation at full load effectively.
The model utility content
The utility model first purpose is to provide a kind of long service life, good heat dissipation effect, little, the practical and reliable engine cylinder head of heat loss.
A kind of engine cylinder head that the utility model embodiment provides comprises: cylinder body, skull, in described cylinder body, be provided with the firing chamber,
In described cylinder head, the top of firing chamber, also be provided with cooling duct, described cooling duct connects with intake duct, air outlet flue and the spark plug of described cylinder head respectively.
Alternatively, in described air outlet flue, also be provided with temperature transducer, pressure transducer.
Alternatively, be provided with the fluorine rubber sealing rubber ring between described cylinder head cylinder body and the skull.
Therefore, use the utility model embodiment's technological scheme, inside at cylinder body also is provided with cooling duct, described cooling duct connects with intake duct, air outlet flue and the spark plug of described cylinder head respectively, under the situation of the intensity that guarantees cylinder head, increase the wind area excessively of cylinder head to greatest extent.
In the motorcycle driving process, because the wind speed that facings the wind of each face of cylinder head is different with blast, the air pressure that is produced in cooling air road junction and intake duct, air outlet flue, the joint (hereinafter to be referred as the cooling air road junction) of spark plug is also inequality, the pressure difference at each cooling air road junction causes permeate gas stream to pass through cooling duct, directly the firing chamber to cylinder head cools, heat load when having reduced engine operation effectively, compare with the motor of traditional design, lubricating oil temperature can reduce about 10 ℃.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, does not constitute to improper qualification of the present utility model, in the accompanying drawings:
The main TV structure schematic representation of a kind of motorcycle engine cylinder head that Fig. 1 provides for the utility model embodiment 1;
Fig. 2 is the plan structure schematic representation of Fig. 1 among the utility model embodiment 1;
Fig. 3 is the structural representation of looking up of Fig. 1 among the utility model embodiment 1;
Fig. 4 is the B-B cross-sectional view of Fig. 1 among the utility model embodiment 1;
Fig. 5 is the backsight structural representation of Fig. 1 among the utility model embodiment 1;
Fig. 6 is the left TV structure schematic representation of Fig. 1 among the utility model embodiment 1;
Fig. 7 is the right TV structure schematic representation of Fig. 1 among the utility model embodiment 1;
Fig. 8 is the A-A cross-sectional view of Fig. 5 among the utility model embodiment 1.
Embodiment
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, be used for explaining the utility model in this illustrative examples of the present utility model and explanation, but not as to qualification of the present utility model.
Embodiment 1:
Shown in Fig. 1-8, a kind of engine cylinder head that present embodiment provides mainly comprises cylinder body 000, skull 111.In described cylinder body 000, be provided with firing chamber 101, on firing chamber 101, be respectively arranged with intake duct 102, air outlet flue 103 and spark-plug hole 104.
Wherein, the import 1021 of intake duct 102, air outlet flue 103, outlet 1031 respectively with the outer surface of cylinder body 000, be respectively applied for exhaust and air inlet.Inside at cylinder body 000 also is provided with cooling duct 105, cooling duct 105 is communicated with at intake duct cooling air road junction 1051 with the intake duct 102 of cylinder body 000, cooling duct 105 is communicated with at air outlet flue cooling air road junction 1052 with air outlet flue 103, cooling duct 105 with and spark-plug hole 104 be communicated with at spark plug cooling air road junction 1053, because present embodiment is provided with cooling duct 105 in the inside of cylinder body 000, can increase the wind area excessively of cylinder head in the inside of cylinder body 000, improve the thermal diffusivity of engine cylinder head.
In the motorcycle driving process, because the wind speed that facings the wind of each face of cylinder head is different with blast, also inequality in the air pressure that the joint (hereinafter to be referred as 105 mouthfuls of cooling ducts) of 105 mouthfuls of cooling ducts and intake duct 102, air outlet flue 103, spark-plug hole 104 is produced, the pressure difference that each cooling duct is 105 mouthfuls causes permeate gas stream to pass through cooling duct 105, directly the firing chamber 101 to cylinder head cools, heat load when having reduced engine operation effectively, compare with the motor of traditional design, lubricating oil temperature can reduce about 10 ℃.
In addition, can also change the configuration design of cylinder head in the utility model, abandon traditional big heat sink design, abandon existing cylinder skull 111, design of rubber seal such as left and right side cover and valve cap have reduced the combination component of cylinder head.
In the present embodiment, the profile of cylinder head can adopt airflow design, and heat sink design becomes less and short and small short shape, adopt the excessive of slyness between each three-dimensional face, it is faster to make air flow through surperficial speed, can take away more heat, helps cooling blast simultaneously and enters cooling duct 105.The cylinder skull 111 that matches has with it also been abandoned the heat radiation type design, adopts the fairshaped crown form design of emitting, and whole wind-exposuring area increases widely, and its purpose is identical with the design of cylinder head with effect.The sealing rubber ring of fluorine rubber material is adopted in sealing between cylinder skull 111 and the cylinder head, makes assembling simpler and easy, and sealing effect is more outstanding.
Can also change angle and the length of intake duct 102 in the present embodiment, make air inlet, acting and the exhaust process of cylinder head more smooth with air outlet flue 103.
Can also reserve the mounting point of temperature, pressure transducer in addition at air outlet flue 103, mounting temperature sensor, pressure transducer therein are for the fuel oil electric jet technology of realizing motorcycle engine lays the first stone.
More than technological scheme that the utility model embodiment is provided be described in detail, used specific case herein the utility model embodiment's principle and mode of execution are set forth, above embodiment's explanation only is applicable to the principle that helps to understand the utility model embodiment; Simultaneously, for one of ordinary skill in the art, according to the utility model embodiment, the part that on embodiment and application area, all can change, in sum, this description should not be construed as restriction of the present utility model.
Claims (3)
1. engine cylinder head comprises: cylinder body, skull, in described cylinder body, be provided with the firing chamber, and it is characterized in that,
In described cylinder head, the top of firing chamber, also be provided with cooling duct, described cooling duct connects with intake duct, air outlet flue and the spark plug of described cylinder head respectively.
2. a kind of engine cylinder head according to claim 1 is characterized in that,
In described air outlet flue, also be provided with temperature transducer, pressure transducer.
3. a kind of engine cylinder head according to claim 1 is characterized in that,
Be provided with the fluorine rubber sealing rubber ring between described cylinder head cylinder body and the skull.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202375073U CN201568147U (en) | 2009-10-20 | 2009-10-20 | Cylinder head of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202375073U CN201568147U (en) | 2009-10-20 | 2009-10-20 | Cylinder head of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201568147U true CN201568147U (en) | 2010-09-01 |
Family
ID=42660432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202375073U Expired - Fee Related CN201568147U (en) | 2009-10-20 | 2009-10-20 | Cylinder head of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201568147U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502855A (en) * | 2020-04-13 | 2020-08-07 | 周昊杰 | Cylinder head cooling and sealing device for motorcycle 158 engine |
| CN115306576A (en) * | 2022-08-26 | 2022-11-08 | 乐清市飞亚机械有限公司 | Four-cylinder cover for motorcycle |
-
2009
- 2009-10-20 CN CN2009202375073U patent/CN201568147U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502855A (en) * | 2020-04-13 | 2020-08-07 | 周昊杰 | Cylinder head cooling and sealing device for motorcycle 158 engine |
| CN115306576A (en) * | 2022-08-26 | 2022-11-08 | 乐清市飞亚机械有限公司 | Four-cylinder cover for motorcycle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20121020 |