JPS6434449U - - Google Patents
Info
- Publication number
- JPS6434449U JPS6434449U JP12976487U JP12976487U JPS6434449U JP S6434449 U JPS6434449 U JP S6434449U JP 12976487 U JP12976487 U JP 12976487U JP 12976487 U JP12976487 U JP 12976487U JP S6434449 U JPS6434449 U JP S6434449U
- Authority
- JP
- Japan
- Prior art keywords
- main bearing
- crankshaft
- block
- curved wall
- cylinder block
- 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.)
- Granted
Links
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１図は本考案の一実施例を示す全体概略図、
第２図は同実施例におけるロアブロツクの底面図
、第３図は第２図のＡ―Ａ断面図である。
１：シリンダブロツク、２：クランクシヤフト
、３：アツパーブロツク、４：ロアブロツク、１
０：ベアリングキヤツプ部、１２：側壁部、１５
：湾曲壁。
FIG. 1 is an overall schematic diagram showing an embodiment of the present invention;
FIG. 2 is a bottom view of the lower block in the same embodiment, and FIG. 3 is a sectional view taken along line AA in FIG. 1: Cylinder block, 2: Crankshaft, 3: Upper block, 4: Lower block, 1
0: Bearing cap part, 12: Side wall part, 15
: Curved wall.
Claims (1)
ベアリング部を有するアツパーブロツクと複数の
メインベアリングキヤツプ部を一体形成したロア
ブロツクとにより構成し、該ロアブロツクの下側
にオイルパンを取り付けるようにしたエンジンの
シリンダブロツク構造において、上記ロアブロツ
クを、上記アツパーブロツクと上記オイルパンと
の間で上記クランクシヤフトの両側方に延びてク
ランク室を区画形成するとともに上記複数のメイ
ンベアリングキヤツプ部を相互にそれらの側端位
置で連結する側壁部と、該側壁部から上記クラン
クシヤフトの下方に該クランクシヤフトの回軸軌
跡を避けるように湾曲して延びて上記各メインベ
アリングキヤツプ部間で該メインベアリングキヤ
ツプ部同士を連結する湾曲壁とで構成し、上記湾
曲壁の下方に、該湾曲壁と上記側壁部とを連結す
るリブ部を設けたことを特徴とするエンジンのシ
リンダブロツク構造。 An engine cylinder block structure in which the cylinder block is composed of an upper block having a main bearing part of the crankshaft and a lower block integrally formed with a plurality of main bearing cap parts, and an oil pan is attached to the lower side of the lower block. , the lower block extends between the upper block and the oil pan on both sides of the crankshaft to define a crank chamber, and connects the plurality of main bearing cap portions to each other at their side end positions. a curved wall that curves and extends from the side wall below the crankshaft so as to avoid the rotation axis of the crankshaft, and connects the main bearing caps between each of the main bearing caps; A cylinder block structure for an engine, characterized in that a rib portion is provided below the curved wall to connect the curved wall and the side wall portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12976487U JPH0533719Y2 (en) | 1987-08-25 | 1987-08-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12976487U JPH0533719Y2 (en) | 1987-08-25 | 1987-08-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6434449U true JPS6434449U (en) | 1989-03-02 |
| JPH0533719Y2 JPH0533719Y2 (en) | 1993-08-26 |
Family
ID=31384340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12976487U Expired - Lifetime JPH0533719Y2 (en) | 1987-08-25 | 1987-08-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0533719Y2 (en) |
-
1987
- 1987-08-25 JP JP12976487U patent/JPH0533719Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0533719Y2 (en) | 1993-08-26 |