JPH0423871U - - Google Patents
Info
- Publication number
- JPH0423871U JPH0423871U JP6485790U JP6485790U JPH0423871U JP H0423871 U JPH0423871 U JP H0423871U JP 6485790 U JP6485790 U JP 6485790U JP 6485790 U JP6485790 U JP 6485790U JP H0423871 U JPH0423871 U JP H0423871U
- Authority
- JP
- Japan
- Prior art keywords
- piston pin
- connecting rod
- piston
- combustion engine
- internal combustion
- 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 description 3
- 238000002485 combustion reaction Methods 0.000 claims 2
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案の一実施例の要部断面正面図、
第２図は従来例の要部断面正面図、第３図は同じ
く要部拡大正面図である。
１１……ピストン、１３……ピストンピンボス
部、２１……ピストンピン、２３……内周面、２
４……軽量化溝。
FIG. 1 is a cross-sectional front view of essential parts of an embodiment of the present invention.
FIG. 2 is a sectional front view of the main part of the conventional example, and FIG. 3 is an enlarged front view of the main part. DESCRIPTION OF SYMBOLS 11... Piston, 13... Piston pin boss part, 21... Piston pin, 23... Inner peripheral surface, 2
4... Lightweight groove.
Claims (1)
空円筒体のピストンピンを、ピストン本体のピス
トンピンボス部に摺動自在に嵌入させた内燃機関
のピストンピン取付構造において、前記ピストン
ピン内周面を真円形状となし、互いに対向する一
対の軽量化溝を前記内周面に形成し、前記ピスト
ンピンを、前記真円の内周面に形成した軽量化溝
の中心を結ぶ線が前記コネクテイングロツドの軸
線に対して所定の角度をなすよう前記コネクテイ
ングロツドに圧入したことを特徴とする内燃機関
のピストンピン取付構造。 In an internal combustion engine piston pin mounting structure in which a hollow cylindrical piston pin inserted and fixed into one end of a connecting rod is slidably fitted into a piston pin boss portion of a piston body, the inner circumferential surface of the piston pin is a perfect circle. A pair of lightweight grooves facing each other are formed on the inner peripheral surface, and a line connecting the centers of the lightweight grooves formed on the perfectly circular inner peripheral surface connects the piston pin to the connecting rod. A piston pin mounting structure for an internal combustion engine, characterized in that the piston pin is press-fitted into the connecting rod so as to form a predetermined angle with respect to the axis of the piston pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6485790U JPH0423871U (en) | 1990-06-19 | 1990-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6485790U JPH0423871U (en) | 1990-06-19 | 1990-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0423871U true JPH0423871U (en) | 1992-02-26 |
Family
ID=31596165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6485790U Pending JPH0423871U (en) | 1990-06-19 | 1990-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0423871U (en) |
-
1990
- 1990-06-19 JP JP6485790U patent/JPH0423871U/ja active Pending