JPS6331213U

JPS6331213U -

Info

Publication number: JPS6331213U
Application number: JP12636286U
Authority: JP
Priority date: 1986-08-19
Filing date: 1986-08-19
Publication date: 1988-02-29

Description

[Brief explanation of drawings]

第１図は、本考案の第１の実施例に係るエンジ
ンのベアリングビーム構造の縦断面図（第２図の
―断面図）、第２図は、オイルパンを取り外
して矢印Ｚ方向から見た第１図のシリンダブロツ
クの下面図、第３図は、本考案の第２の実施例に
係るエンジンのベアリングビーム構造の下面図、
第４図は、本考案の第３の実施例に係るエンジン
のベアリングビーム構造の縦断面図、第５図は、
本考案の第４の実施例に係るエンジンのベアリン
グビーム構造の縦断面図（第６図の―断面図
）、第６図は、オイルパンを取り外して矢印Ｚ方
向から見た第５図のシリンダブロツクの下面図、
第７図は、第６図の―断面図、第８図は、第
５図のオイル戻し通路の斜視図、第９図は、従来
のエンジンのベアリングビーム構造の縦断面図（
第１０図の―断面図）、第１０図は、オイル
パンを取り外して矢印Ｚ方向から見た第９図のシ
リンダブロツクの下面図である。１……シリンダブロツク、２……ベアリングキ
ヤツプ、３……クランクシヤフト、４……オイル
パン、５……ボルト、１１……ベアリングビーム
、１３……オイル戻し通路。 Fig. 1 is a longitudinal cross-sectional view (-cross-sectional view in Fig. 2) of the bearing beam structure of an engine according to the first embodiment of the present invention, and Fig. 2 is a view from the direction of arrow Z with the oil pan removed. FIG. 1 is a bottom view of the cylinder block, FIG. 3 is a bottom view of the bearing beam structure of an engine according to the second embodiment of the present invention,
FIG. 4 is a longitudinal sectional view of the bearing beam structure of an engine according to the third embodiment of the present invention, and FIG.
A vertical cross-sectional view (-cross-sectional view of FIG. 6) of the bearing beam structure of an engine according to a fourth embodiment of the present invention. FIG. 6 shows the cylinder of FIG. 5 as seen from the direction of arrow Z with the oil pan removed. Bottom view of the block,
7 is a sectional view of FIG. 6, FIG. 8 is a perspective view of the oil return passage of FIG. 5, and FIG. 9 is a vertical sectional view of the bearing beam structure of a conventional engine.
FIG. 10 is a bottom view of the cylinder block of FIG. 9 as seen from the direction of arrow Z with the oil pan removed. 1... Cylinder block, 2... Bearing cap, 3... Crankshaft, 4... Oil pan, 5... Bolt, 11... Bearing beam, 13... Oil return passage.

Claims

[Claims for Utility Model Registration] Bearing caps that rotatably support the crankshaft are fixed to the cylinder block with bolts, and on both outsides of the bearing caps are mounted on the cylinder head. In a bearing beam structure of an engine, an oil return passage for returning certain oil to an oil pan is bored, and the bearing caps are connected to each other by a bearing beam extending in the longitudinal direction of the engine. A bearing beam structure for an engine, wherein a part of the wall of the engine is comprised of the bearing beam.