JPH02144639U - - Google Patents
Info
- Publication number
- JPH02144639U JPH02144639U JP5281189U JP5281189U JPH02144639U JP H02144639 U JPH02144639 U JP H02144639U JP 5281189 U JP5281189 U JP 5281189U JP 5281189 U JP5281189 U JP 5281189U JP H02144639 U JPH02144639 U JP H02144639U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder block
- groove
- inner end
- end surface
- wall surface
- 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
- 238000005266 casting Methods 0.000 claims description 3
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案の一実施例の斜視図、第２図は
第１図のＡ−Ａ拡大断面図、第３図は第２図の背
面図、第４図は分断された切削片の平面図、第５
図は従来のシリンダブロツクの斜視図、第６図は
第５図のＢ−Ｂ拡大断面図である。
１…シリンダブロツク本体、３…壁面部、４…
鋳造用鋳抜孔、５…ボス部、６…内側端面、７…
溝。
Fig. 1 is a perspective view of one embodiment of the present invention, Fig. 2 is an enlarged sectional view taken along line A-A in Fig. 1, Fig. 3 is a rear view of Fig. 2, and Fig. 4 is a sectioned cut piece. Floor plan, 5th
The figure is a perspective view of a conventional cylinder block, and FIG. 6 is an enlarged sectional view taken along the line BB in FIG. 5. 1...Cylinder block body, 3...Wall surface part, 4...
Casting hole for casting, 5... Boss portion, 6... Inner end surface, 7...
groove.
Claims (1)
造用鋳抜孔を有するボス部の内側端面に、半径方
向に溝を形成したことを特徴とするシリンダブロ
ツクの構造。 1. A structure of a cylinder block characterized in that a groove is formed in the radial direction on the inner end surface of a boss portion having a casting hole provided in the wall surface portion of the cylinder block body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5281189U JPH077569Y2 (en) | 1989-05-08 | 1989-05-08 | Cylinder block structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5281189U JPH077569Y2 (en) | 1989-05-08 | 1989-05-08 | Cylinder block structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02144639U true JPH02144639U (en) | 1990-12-07 |
| JPH077569Y2 JPH077569Y2 (en) | 1995-02-22 |
Family
ID=31573437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5281189U Expired - Lifetime JPH077569Y2 (en) | 1989-05-08 | 1989-05-08 | Cylinder block structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH077569Y2 (en) |
-
1989
- 1989-05-08 JP JP5281189U patent/JPH077569Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH077569Y2 (en) | 1995-02-22 |