JPH0222648U - - Google Patents
Info
- Publication number
- JPH0222648U JPH0222648U JP10063488U JP10063488U JPH0222648U JP H0222648 U JPH0222648 U JP H0222648U JP 10063488 U JP10063488 U JP 10063488U JP 10063488 U JP10063488 U JP 10063488U JP H0222648 U JPH0222648 U JP H0222648U
- Authority
- JP
- Japan
- Prior art keywords
- ring groove
- piston
- oil ring
- pin hole
- oil
- 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
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案に係るエンジンのピストンの側
面図、第２図は第１図中の―線矢視断面図、
第３図は第２図中の―線矢視断面図、第４図
はピストンピンの側面図、第５図はピストンピン
との摺接部の拡大側断面図、第６図はオイルリン
グの回り止め構造を示す図、第７図は第６図中の
―線矢視断面図、第８図と第９図はそれぞれ
オロルリングの回り止め構造の変形例を示す図で
ある。
２……ピストン、１０……オイルリング溝、１
２……ピストンピン孔、２２……オイル通路。
FIG. 1 is a side view of the piston of the engine according to the present invention, FIG. 2 is a sectional view taken along the line - in FIG.
Figure 3 is a sectional view taken along the line - in Figure 2, Figure 4 is a side view of the piston pin, Figure 5 is an enlarged side sectional view of the sliding part with the piston pin, and Figure 6 is around the oil ring. FIG. 7 is a sectional view taken along the line -- in FIG. 6, and FIGS. 8 and 9 are views showing modified examples of the rotation prevention structure of the orol ring. 2... Piston, 10... Oil ring groove, 1
2... Piston pin hole, 22... Oil passage.
Claims (1)
ラツプさせてピストンピン孔を形成したエンジン
のピストン構造において、前記オイルリング溝と
ピストンピン孔とを直線的に結ぶオイル通路を形
成し、該オイル通路は、該通路のオイルリング溝
との交差角がピストン中心側で鈍角に、かつピス
トンピン孔との交差角が直角ないし略直角に形成
されたことを特徴とするエンジンのピストン構造
。 In an engine piston structure in which a piston pin hole is formed at an oil ring groove position by wrapping around the oil ring groove, an oil passage is formed that linearly connects the oil ring groove and the piston pin hole, and the oil passage is A piston structure for an engine, characterized in that the intersection angle of the passage with the oil ring groove is obtuse on the piston center side, and the intersection angle with the piston pin hole is formed at a right angle or a substantially right angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10063488U JPH0222648U (en) | 1988-07-30 | 1988-07-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10063488U JPH0222648U (en) | 1988-07-30 | 1988-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0222648U true JPH0222648U (en) | 1990-02-15 |
Family
ID=31328888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10063488U Pending JPH0222648U (en) | 1988-07-30 | 1988-07-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0222648U (en) |
-
1988
- 1988-07-30 JP JP10063488U patent/JPH0222648U/ja active Pending