JPS6439452U - - Google Patents
Info
- Publication number
- JPS6439452U JPS6439452U JP13402887U JP13402887U JPS6439452U JP S6439452 U JPS6439452 U JP S6439452U JP 13402887 U JP13402887 U JP 13402887U JP 13402887 U JP13402887 U JP 13402887U JP S6439452 U JPS6439452 U JP S6439452U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- bolt
- diameter hole
- large diameter
- cylinder
- 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
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Description
第１図は本考案の実施例に係るシリンダヘツド
構造を備えたエンジンのシリンダヘツドの平面図
、第２図は第１図の―断面図、第３図は従来
のシリンダヘツド構造の説明図である。
１……シリンダヘツド、２……シリンダブロツ
ク、３……ガスケツト、４……カムシヤフト、５
……ロツカーシヤフト、６……ヘツドボルト、７
……ボルト挿通孔、７ａ……大径部、７ｂ……小
径部、７ｃ……段差面、８……ウオータジヤケツ
ト、９……バルブ取付孔、１１……軸受部、１２
……ロツカーシヤフト受面、１３……軸受穴、１
４……筒体、３１……グロメツト。
Fig. 1 is a plan view of a cylinder head of an engine equipped with a cylinder head structure according to an embodiment of the present invention, Fig. 2 is a cross-sectional view of Fig. 1, and Fig. 3 is an explanatory diagram of a conventional cylinder head structure. be. 1... Cylinder head, 2... Cylinder block, 3... Gasket, 4... Camshaft, 5
...Rotsukashaft, 6...Head bolt, 7
... Bolt insertion hole, 7a ... Large diameter part, 7b ... Small diameter part, 7c ... Step surface, 8 ... Water jacket, 9 ... Valve mounting hole, 11 ... Bearing part, 12
...Rotsuka shaft bearing surface, 13 ...Bearing hole, 1
4... cylinder body, 31... grommet.
Claims (1)
に該軸受部の側方に上下方向に貫通するボルト挿
通孔を形成してなるシリンダヘツドを、該ボルト
挿通孔を通して設けられるボルトによりシリンダ
ブロツクの上面に締結固定するようにしたエンジ
ンにおいて、上記ボルト挿通孔は、その上部に位
置する大径孔部とその下部に位置する小径孔部と
を有する段付孔で構成されており、しかも該大径
孔部内には、該大径孔部内に嵌合可能な外径と上
記ボルトが挿通可能な内径とを有する筒体がしか
もその下端面を上記大径孔部と小径孔部との段差
面上に衝合させるとともにその上端面を上記大径
孔部の上端よりも上方に突出させた状態で嵌合固
定され、さらに上記ボルトは上記筒体の上端面を
座面として該筒体の上方から上記シリンダブロツ
ク側に螺結されていることを特徴とするエンジン
のシリンダヘツド構造。 A cylinder head is provided with a bearing portion that supports a camshaft and has a bolt insertion hole that passes vertically through the side of the bearing portion, and is fastened and fixed to the upper surface of the cylinder block using a bolt provided through the bolt insertion hole. In such an engine, the bolt insertion hole is constituted by a stepped hole having a large diameter hole located at the upper part and a small diameter hole located at the lower part, and furthermore, there is no hole in the large diameter hole. , a cylindrical body having an outer diameter that can be fitted into the large diameter hole and an inner diameter that allows the bolt to be inserted, and whose lower end surface abuts on a step surface between the large diameter hole and the small diameter hole. The bolt is fitted and fixed with its upper end surface protruding upwardly than the upper end of the large diameter hole, and the bolt is inserted from above the cylinder toward the cylinder block side using the upper end surface of the cylinder as a seating surface. An engine cylinder head structure characterized by being screwed to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13402887U JPS6439452U (en) | 1987-09-01 | 1987-09-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13402887U JPS6439452U (en) | 1987-09-01 | 1987-09-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6439452U true JPS6439452U (en) | 1989-03-09 |
Family
ID=31392426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13402887U Pending JPS6439452U (en) | 1987-09-01 | 1987-09-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6439452U (en) |
-
1987
- 1987-09-01 JP JP13402887U patent/JPS6439452U/ja active Pending
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