JPH0178720U - - Google Patents
Info
- Publication number
- JPH0178720U JPH0178720U JP1987175186U JP17518687U JPH0178720U JP H0178720 U JPH0178720 U JP H0178720U JP 1987175186 U JP1987175186 U JP 1987175186U JP 17518687 U JP17518687 U JP 17518687U JP H0178720 U JPH0178720 U JP H0178720U
- Authority
- JP
- Japan
- Prior art keywords
- crankcase
- holder
- utility
- model registration
- bearing structure
- 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
図面はクランク軸の軸受部分の断面図である。
尚、図面中、１はクランクケース、３は嵌合凹
部、７はホルダー、２２，２３は凹部である。
The drawing is a sectional view of the bearing portion of the crankshaft. In the drawings, 1 is a crankcase, 3 is a fitting recess, 7 is a holder, and 22 and 23 are recesses.
Claims (1)
もに該嵌合凹部にホルダーを嵌入し、該ホルダー
をボルトでクランクケースに締結して前記ホルダ
ーと前記クランクケースとの間でクランク軸を軸
支するクランク軸の軸受構造において、 前記ホルダーとクランクケースの当接面の前記
ボルト周囲に位置する箇所に凹部を形成したこと
を特徴とするクランク軸の軸受構造。 (2) 前記ホルダーと前記クランクケースの当接
面にはエンジンが冷えた状態で所定間隔離間する
隙間を形成し、ホルダーの熱膨張率をクランクケ
ースの熱膨張率よりも小さく設定したことを特徴
とする前記実用新案登録請求の範囲第１項記載の
クランク軸の軸受構造。[Claims for Utility Model Registration] (1) A fitting recess is formed in the crankcase, a holder is fitted into the fitting recess, and the holder is fastened to the crankcase with bolts to connect the holder and the crankcase. A crankshaft bearing structure for pivotally supporting a crankshaft between the holder and the crankcase, characterized in that a recess is formed at a location around the bolt on a contact surface between the holder and the crankcase. (2) A gap is formed between the contact surfaces of the holder and the crankcase for a predetermined distance when the engine is cold, and the coefficient of thermal expansion of the holder is set to be smaller than that of the crankcase. A crankshaft bearing structure according to claim 1 of the utility model registration claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175186U JPH0730978Y2 (en) | 1987-11-17 | 1987-11-17 | Crankshaft bearing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175186U JPH0730978Y2 (en) | 1987-11-17 | 1987-11-17 | Crankshaft bearing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0178720U true JPH0178720U (en) | 1989-05-26 |
| JPH0730978Y2 JPH0730978Y2 (en) | 1995-07-19 |
Family
ID=31466994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987175186U Expired - Lifetime JPH0730978Y2 (en) | 1987-11-17 | 1987-11-17 | Crankshaft bearing structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0730978Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4722259U (en) * | 1971-04-08 | 1972-11-13 | ||
| JPS6241412A (en) * | 1985-08-16 | 1987-02-23 | オリンパス光学工業株式会社 | Fixing device |
-
1987
- 1987-11-17 JP JP1987175186U patent/JPH0730978Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4722259U (en) * | 1971-04-08 | 1972-11-13 | ||
| JPS6241412A (en) * | 1985-08-16 | 1987-02-23 | オリンパス光学工業株式会社 | Fixing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0730978Y2 (en) | 1995-07-19 |