JPS6158659U

JPS6158659U -

Info

Publication number: JPS6158659U
Application number: JP13301984U
Authority: JP
Priority date: 1984-09-01
Filing date: 1984-09-01
Publication date: 1986-04-19

Description

[Brief explanation of the drawing]

第１図はクランクケースのクランクシヤフト軸
支部近傍の斜視図、第２図は第１図のクランクケ
ースを構成するオイルパンの平面図、第３図ａは
第２図におけるＹ_１−Ｙ_１線による縦断面図、第
３図ｂは第２図並びに第３図ａのＹ_３−Ｙ_３線に
よる縦断面図、第４図は第２図におけるＹ_２−Ｙ
_２線による縦断面図、第５図及び第６図は本考案
の実施例のガスケツトと環状取付座との結合部の
縦断面図及び植込ボルトによるカバー部材とオイ
ルパンとの取付部の縦断面図である。主要部分の符号の説明、１…シリンダブロツク
、２…カバー部材、４…オイルパン、５…ガスケ
ツト、６…植込ボルト、７，７ａ…挿通孔、８…
凸状係止部、１０…環状取付座。 Figure 1 is a perspective view of the crankcase near the crankshaft shaft support, Figure 2 is a plan view of the oil pan that constitutes the crankcase in Figure 1, and Figure 3a is the line _Y1 - _Y1 in Figure 2. 3b is a vertical sectional view taken along the Y ₃ -Y ₃ line in FIGS. 2 and 3 a, and _FIG .
5 and 6 are vertical cross-sectional views taken along _two lines, and are vertical cross-sectional views of the connecting portion between the gasket and the annular mounting seat according to the embodiment of the present invention, and the vertical cross-sectional view of the connecting portion between the cover member and the oil pan using stud bolts. It is a front view. Explanation of symbols of main parts, 1... Cylinder block, 2... Cover member, 4... Oil pan, 5... Gasket, 6... Stud bolt, 7, 7a... Insertion hole, 8...
convex locking portion, 10... annular mounting seat;

Claims

[Scope of utility model registration request]

An oil pan is joined via a gasket to the lower end surface of the cylinder block and a cover member that is joined to both ends of the cylinder block and pivotally supports the crankshaft, and the peripheral joint surface of the oil pan has an insertion hole and a A locking portion protruding toward the cylinder block is provided near the hole, and an insertion hole is provided in the gasket at a position corresponding to the insertion hole of the oil pan, and the gasket is inserted into both insertion holes. An oil pan mounting structure for a crankcase in which the oil pan is fluid-tightly coupled to the cylinder block and the cover member by a tightening bolt, wherein The gasket has a thickness smaller than that of the gasket, and the tightening bolt can be inserted into the insertion hole of the gasket in the vicinity of the crankshaft shaft support where the peripheral edge of the cover member transitions from a flat surface to a curved surface. An oil pan mounting structure characterized by having an annular mounting seat.