JPS59108817U - Main bearing structure of internal combustion engine - Google Patents
Main bearing structure of internal combustion engineInfo
- Publication number
- JPS59108817U JPS59108817U JP302883U JP302883U JPS59108817U JP S59108817 U JPS59108817 U JP S59108817U JP 302883 U JP302883 U JP 302883U JP 302883 U JP302883 U JP 302883U JP S59108817 U JPS59108817 U JP S59108817U
- Authority
- JP
- Japan
- Prior art keywords
- internal combustion
- main bearing
- combustion engine
- bearing structure
- bulkhead
- 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
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のシリンダブロックの正面図、第２図は同
じく主軸受部の正面断面図である。第３図は本考案の第
１の実施例の正面断面図、第４図はその軸受キャップの
要部斜視図である。第５図は同じく第２の実施例の正面
断面図、第６図、第７図は各々その軸受キャップの要部
斜視図、ブツヱユの外観斜視図である。第８図、第９図
は各々ブツシュについての他の例の外観斜視図である。
第１０図は軸受キャップ接合面部での面圧分布を従来例
との比較において示した説明図、第１１図ａ、 ｂは
軸受面の真円度を従来例との比較において示した説明図
である。
１・・・機関シリングブロック、２・・・バルクヘッド
部、２Ａ、 ４Ａ・・・接合面部、２Ｂ、 ４Ｂ・
・・硬化層、３・・・ボルト、８・・・ブツシュ。FIG. 1 is a front view of a conventional cylinder block, and FIG. 2 is a front sectional view of the main bearing portion. FIG. 3 is a front sectional view of the first embodiment of the present invention, and FIG. 4 is a perspective view of essential parts of the bearing cap. FIG. 5 is a front cross-sectional view of the second embodiment, and FIGS. 6 and 7 are a perspective view of the main part of the bearing cap and an external perspective view of the butsuue, respectively. FIGS. 8 and 9 are external perspective views of other examples of the bushing. Figure 10 is an explanatory diagram showing the surface pressure distribution at the joint surface of the bearing cap in comparison with the conventional example, and Figures 11a and b are explanatory diagrams showing the roundness of the bearing surface in comparison with the conventional example. be. 1... Engine silling block, 2... Bulkhead part, 2A, 4A... Joint surface part, 2B, 4B.
... hardened layer, 3... bolt, 8... bush.
Claims (1)
受キャップをボルト結合して主軸受部を形成する内燃機
関において、前記バルクヘッド部と軸受キャップの互い
の接合面部に各々硬化層を形成したことを特徴とする内
燃機関の主軸受構造。In an internal combustion engine in which a main bearing is formed by bolting a bearing cap to a bulkhead of an engine cylinder cylinder assembly from the bottom side, a hardened layer is formed on the joint surfaces of the bulkhead and the bearing cap. Characteristics of the main bearing structure of internal combustion engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP302883U JPS59108817U (en) | 1983-01-13 | 1983-01-13 | Main bearing structure of internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP302883U JPS59108817U (en) | 1983-01-13 | 1983-01-13 | Main bearing structure of internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59108817U true JPS59108817U (en) | 1984-07-23 |
Family
ID=30134667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP302883U Pending JPS59108817U (en) | 1983-01-13 | 1983-01-13 | Main bearing structure of internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59108817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022026409A (en) * | 2020-07-31 | 2022-02-10 | 株式会社中村自工 | Universal joint |
-
1983
- 1983-01-13 JP JP302883U patent/JPS59108817U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022026409A (en) * | 2020-07-31 | 2022-02-10 | 株式会社中村自工 | Universal joint |
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