JPH02103155U - - Google Patents
Info
- Publication number
- JPH02103155U JPH02103155U JP1131389U JP1131389U JPH02103155U JP H02103155 U JPH02103155 U JP H02103155U JP 1131389 U JP1131389 U JP 1131389U JP 1131389 U JP1131389 U JP 1131389U JP H02103155 U JPH02103155 U JP H02103155U
- Authority
- JP
- Japan
- Prior art keywords
- block
- crankshaft
- bearing
- lower block
- bearing cap
- 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
- 230000002093 peripheral effect Effects 0.000 claims 3
- 229910000640 Fe alloy Inorganic materials 0.000 claims 1
- 229910001234 light alloy Inorganic materials 0.000 claims 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１図は本考案にかかるＶ型エンジンのクラン
ク軸支持構造の一実施例をクランク軸方向と直交
する方向に切断して示す断面図、第２図は第１図
の―線断面図、第３図は従来のロアブロツク
の概略正面図である。
１…アツパブロツク、２…ロアブロツク、３…
クランク軸、４…軸受部材、５…軸受キヤツプ（
軸受部）、１１，１２…バンク、１３…アツパブ
ロツクの窪み部、１４…アツパブロツクの窪み部
両側の張出部、２１…ロアブロツクにおける軸受
キヤツプ上端部の周囲部、２２…ロアブロツクの
突出部、４１…軸受部材の半円状の凹部、６１…
軸受キヤツプの半円状の凹部。
FIG. 1 is a cross-sectional view showing an embodiment of the crankshaft support structure for a V-type engine according to the present invention, taken in a direction perpendicular to the crankshaft direction, and FIG. FIG. 3 is a schematic front view of a conventional lower block. 1... Upper block, 2... Lower block, 3...
Crankshaft, 4...Bearing member, 5...Bearing cap (
Bearing portion), 11, 12...bank, 13...recessed part of upper block, 14...projection on both sides of recessed part of upper block, 21...periphery of upper end of bearing cap in lower block, 22...projection of lower block, 41... Semicircular recess of bearing member, 61...
A semicircular recess in the bearing cap.
Claims (1)
有する鉄合金製軸受キヤツプが中央部に鋳込まれ
た軽合金製ロアブロツクと、前記クランク軸方向
から見てＶ型に配置されたバンクが上部に設けら
れ前記クランク軸の上半部を嵌め込む半円状の凹
部を有する軸受部が下端中央部に設けられたアツ
パブロツクとを備え、これらアツパブロツクとロ
アブロツクとが突き合わされて締結され、前記軸
受キヤツプと軸受部とでクランク軸が支持された
Ｖ型エンジンのクランク軸支持構造において、前
記ロアブロツクにおける軸受キヤツプ上端部とこ
の軸受キヤツプ上端部の周囲部とが周縁部よりア
ツパブロツク側に突出され、前記アツパブロツク
の下端中央部に前記ロアブロツクの突出部に対応
して窪む窪み部が形成され、この窪み部に前記ロ
アブロツクの突出部が圧入され、前記アツパブロ
ツクの窪み部両側の張出部と前記ロアブロツクに
おける軸受キヤツプ上端部とで前記ロアブロツク
における軸受キヤツプ上端部の周囲部が挟まれて
いることを特徴とするＶ型エンジンのクランク軸
支持構造。 A light alloy lower block has an iron alloy bearing cap with a semicircular recess into which the lower half of the crankshaft is fitted, and a bank arranged in a V shape when viewed from the direction of the crankshaft. A bearing part having a semicircular recess provided at the upper part into which the upper half of the crankshaft is fitted, and an upper block provided at the center of the lower end, and the upper block and lower block are butted against each other and fastened, so that the bearing part In a crankshaft support structure for a V-type engine in which a crankshaft is supported by a cap and a bearing portion, an upper end portion of the bearing cap in the lower block and a peripheral portion of the upper end portion of the bearing cap protrude from the peripheral portion toward the upper block side; A recess corresponding to the protruding part of the lower block is formed at the center of the lower end of the upper block, and the protruding part of the lower block is press-fitted into the recess, and the protruding parts on both sides of the recess of the upper block and the lower block are connected to each other. A crankshaft support structure for a V-type engine, characterized in that a peripheral portion of the upper end of the bearing cap in the lower block is sandwiched between the upper end of the bearing cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1131389U JPH02103155U (en) | 1989-01-31 | 1989-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1131389U JPH02103155U (en) | 1989-01-31 | 1989-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02103155U true JPH02103155U (en) | 1990-08-16 |
Family
ID=31219758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1131389U Pending JPH02103155U (en) | 1989-01-31 | 1989-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02103155U (en) |
-
1989
- 1989-01-31 JP JP1131389U patent/JPH02103155U/ja active Pending