JPS61134546U - - Google Patents
Info
- Publication number
- JPS61134546U JPS61134546U JP1770185U JP1770185U JPS61134546U JP S61134546 U JPS61134546 U JP S61134546U JP 1770185 U JP1770185 U JP 1770185U JP 1770185 U JP1770185 U JP 1770185U JP S61134546 U JPS61134546 U JP S61134546U
- Authority
- JP
- Japan
- Prior art keywords
- crankcase
- scavenging passage
- tightening screw
- halves
- tightening
- 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
- 230000002000 scavenging effect Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図はこの考案の実施例を示すスクエア４気
筒２サイクルエンジンクランクケースの一部の平
面図、第２図は同第１図Ａ―Ａ矢視縦断正面図、
第３図は同第１図Ｂ―Ｂ矢視縦断側面図である。
１……クランクケース、３……クランク室、４
，４ａ……掃気通路、８ａ……ねじ挿通孔、９…
…湾曲面、１０ａ……締付座、１１……凹孔、１
３……凹溝。
Fig. 1 is a plan view of a part of a square four-cylinder two-stroke engine crankcase showing an embodiment of this invention, Fig. 2 is a longitudinal sectional front view taken along arrow A--A in Fig.
FIG. 3 is a longitudinal sectional side view taken along the line B--B in FIG. 1. 1...Crank case, 3...Crank chamber, 4
, 4a...Scavenging passage, 8a...Screw insertion hole, 9...
...Curved surface, 10a...Tightening seat, 11...Concave hole, 1
3... Concave groove.
Claims (1)
方へ延びる掃気通路を形成されたクランクケース
を上下２つ割りにして、これを接合する締付ねじ
を上記掃気通路下底部の湾曲面に配置した２サイ
クルエンジンにおいて、上記締付ねじの締付座を
形成する凹孔から底面が下方へ傾斜するオイル流
出溝を導出してなることを特徴とする２サイクル
エンジンのクランクケース。 The crankcase, which has a scavenging passage leading upward from both sides of the upper part of the crank chamber and extending upward, is divided into upper and lower halves, and a tightening screw for joining the halves is placed on the curved surface at the bottom of the scavenging passage. A crankcase for a two-cycle engine, characterized in that an oil outflow groove whose bottom surface slopes downward is led out from a concave hole forming a tightening seat for the tightening screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1770185U JPH0415965Y2 (en) | 1985-02-13 | 1985-02-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1770185U JPH0415965Y2 (en) | 1985-02-13 | 1985-02-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61134546U true JPS61134546U (en) | 1986-08-22 |
| JPH0415965Y2 JPH0415965Y2 (en) | 1992-04-09 |
Family
ID=30505650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1770185U Expired JPH0415965Y2 (en) | 1985-02-13 | 1985-02-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415965Y2 (en) |
-
1985
- 1985-02-13 JP JP1770185U patent/JPH0415965Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0415965Y2 (en) | 1992-04-09 |