JPH0285848U - - Google Patents
Info
- Publication number
- JPH0285848U JPH0285848U JP16607188U JP16607188U JPH0285848U JP H0285848 U JPH0285848 U JP H0285848U JP 16607188 U JP16607188 U JP 16607188U JP 16607188 U JP16607188 U JP 16607188U JP H0285848 U JPH0285848 U JP H0285848U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder head
- recess
- combustion chamber
- spark plug
- tip
- 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.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 2
- 238000012856 packing Methods 0.000 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案の一実施例を示す４サイクルエ
ンジンの要部断面図、第２図は従来例を示す４サ
イクルエンジンの要部断面図である。
１はシリンダヘツド、２はパツキン、３はヘツ
ドカバー、４はカムシヤフト、５は合わせ面、６
は点火プラグ、７は凹部、８は傾斜壁面、９は燃
焼室、１０は底面、１１はネジ孔、１２はカムホ
ルダー、１３はカムシヤフト支持部、１４はボル
ト、１５はロツカーアームスイング用シヤフト、
１６は貫通孔、１７は突出部。
FIG. 1 is a sectional view of a main part of a four-stroke engine showing an embodiment of the present invention, and FIG. 2 is a sectional view of a main part of a four-cycle engine showing a conventional example. 1 is the cylinder head, 2 is the packing, 3 is the head cover, 4 is the camshaft, 5 is the mating surface, 6
is a spark plug, 7 is a recess, 8 is an inclined wall surface, 9 is a combustion chamber, 10 is a bottom surface, 11 is a screw hole, 12 is a cam holder, 13 is a camshaft support part, 14 is a bolt, 15 is a rocker arm swing shaft ,
16 is a through hole, and 17 is a protrusion.
Claims (1)
軸線に対して傾斜して配置するための凹部を備え
、この凹部の傾斜壁面に沿つて配置する点火プラ
グの先端部が凹部底面から燃焼室へ貫通するネジ
孔に螺着して点火プラグ先端が燃焼室へ臨む４サ
イクルエンジンにおいて、前記シリンダヘツドの
ヘツドカバーとの合わせ面をシリンダヘツドに配
設されるカムシヤフトの外周上端位置よりも上方
位置に配置し、前記凹部の傾斜壁面を前記合わせ
面付近から燃焼室に向けて傾斜させて形成したこ
とを特徴とする４サイクルエンジンのシリンダヘ
ツド部構造。 A recess is provided on the side surface of the cylinder head for arranging the spark plug at an angle with respect to the cylinder axis, and a screw hole is provided along the inclined wall surface of the recess through which the tip of the ignition plug penetrates from the bottom of the recess into the combustion chamber. In a four-cycle engine in which the tip of the spark plug faces the combustion chamber by screwing into the spark plug, the surface of the cylinder head that is mated to the head cover is located above the upper end of the outer periphery of the camshaft disposed on the cylinder head, and the recessed portion A cylinder head structure for a four-stroke engine, characterized in that the inclined wall surface is formed to be inclined from the vicinity of the mating surface toward the combustion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16607188U JPH0285848U (en) | 1988-12-22 | 1988-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16607188U JPH0285848U (en) | 1988-12-22 | 1988-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0285848U true JPH0285848U (en) | 1990-07-06 |
Family
ID=31453130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16607188U Pending JPH0285848U (en) | 1988-12-22 | 1988-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0285848U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH057970U (en) * | 1991-07-09 | 1993-02-02 | 三菱重工業株式会社 | 2 cycle engine cylinder |
| JPH05195865A (en) * | 1991-05-24 | 1993-08-03 | Mercedes Benz Ag | Cylinder head of multi-cylinder internal combustion engine |
-
1988
- 1988-12-22 JP JP16607188U patent/JPH0285848U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05195865A (en) * | 1991-05-24 | 1993-08-03 | Mercedes Benz Ag | Cylinder head of multi-cylinder internal combustion engine |
| JPH057970U (en) * | 1991-07-09 | 1993-02-02 | 三菱重工業株式会社 | 2 cycle engine cylinder |
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