JPS6342843U - - Google Patents
Info
- Publication number
- JPS6342843U JPS6342843U JP13657886U JP13657886U JPS6342843U JP S6342843 U JPS6342843 U JP S6342843U JP 13657886 U JP13657886 U JP 13657886U JP 13657886 U JP13657886 U JP 13657886U JP S6342843 U JPS6342843 U JP S6342843U
- Authority
- JP
- Japan
- Prior art keywords
- lock pin
- guide groove
- eccentric bearing
- connecting rod
- engagement hole
- 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
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案の一実施例に係る可変圧縮比機
構の偏心ベアリング近傍の断面図、第２図は第１
図の―線に沿う断面図、第３図は第１図にお
けるロツクピン案内溝の展開図、第４図は従来の
可変圧縮比機構の断面図、第５図は第４図の―
線に沿う断面図、第６図は第４図におけるロツ
クピン案内溝の展開図、である。
２０……コネクテイングロツド、２１……ピス
トンピン、２３……偏心ベアリング、２７……ロ
ツクピン、２８……ロツクピン係合孔、３０……
ロツクピン案内溝、Ａ……偏心ベアリングの回転
軸心。
FIG. 1 is a sectional view of the vicinity of the eccentric bearing of a variable compression ratio mechanism according to an embodiment of the present invention, and FIG.
Fig. 3 is a developed view of the lock pin guide groove in Fig. 1, Fig. 4 is a sectional view of a conventional variable compression ratio mechanism, and Fig. 5 is a sectional view taken along line - of Fig. 4.
FIG. 6 is a cross-sectional view along the line, and FIG. 6 is a developed view of the lock pin guide groove in FIG. 4. 20... Connecting rod, 21... Piston pin, 23... Eccentric bearing, 27... Lock pin, 28... Lock pin engagement hole, 30...
Lock pin guide groove, A...Rotation axis of eccentric bearing.
Claims (1)
回転可能に介装され、外周面に前記コネクテイン
グロツド側に摺動自在に設けられたロツクピンを
ロツクピン係合孔に誘導するロツクピン案内溝を
設けた可変圧縮比機構の偏心ベアリングにおいて
、前記ロツクピン案内溝のロツクピン係合孔近傍
を、偏心ベアリングの回転軸心方向に湾曲させた
ことを特徴とする可変圧縮比機構の偏心ベアリン
グ。 A variable lock pin is rotatably interposed between the piston pin and the connecting rod, and has a lock pin guide groove provided on the outer peripheral surface to guide the lock pin slidably provided on the connecting rod side to the lock pin engagement hole. An eccentric bearing for a variable compression ratio mechanism, characterized in that a portion of the lock pin guide groove near the lock pin engagement hole is curved in the direction of the rotation axis of the eccentric bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13657886U JPS6342843U (en) | 1986-09-08 | 1986-09-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13657886U JPS6342843U (en) | 1986-09-08 | 1986-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6342843U true JPS6342843U (en) | 1988-03-22 |
Family
ID=31039823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13657886U Pending JPS6342843U (en) | 1986-09-08 | 1986-09-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6342843U (en) |
-
1986
- 1986-09-08 JP JP13657886U patent/JPS6342843U/ja active Pending