JPS6259735U - - Google Patents
Info
- Publication number
- JPS6259735U JPS6259735U JP14992485U JP14992485U JPS6259735U JP S6259735 U JPS6259735 U JP S6259735U JP 14992485 U JP14992485 U JP 14992485U JP 14992485 U JP14992485 U JP 14992485U JP S6259735 U JPS6259735 U JP S6259735U
- Authority
- JP
- Japan
- Prior art keywords
- lock pin
- hole
- pin hole
- lock
- hydraulic passage
- 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 5
- 238000007906 compression Methods 0.000 claims description 5
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
関用のロツクピン穴の断面図、第２図は第１図に
おいてロツクピン穴にロツクピンが挿入された状
態の断面図、第３図は第２図と直角方向の断面図
、第４図は従来の可変圧縮比機関の断面図、第５
図は第４図の偏心ベアリング近傍における第４図
と直角方向の断面図、第６図は第４図のロツクピ
ン穴とその近傍の断面図、第７図は第６図におい
てロツクピンがロツクピン穴にステイツクした状
態の断面図、である。
１……コネクテイングロツド、３……偏心ベア
リング、４……ロツクピン、１４……ロツクピン
穴、１５……油圧通路、１６……サポートピン。
FIG. 1 is a cross-sectional view of a lock pin hole for a variable compression ratio engine according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the lock pin inserted into the lock pin hole in FIG. 1, and FIG. Figure 2 is a cross-sectional view perpendicular to Figure 2, Figure 4 is a cross-sectional view of a conventional variable compression ratio engine, and Figure 5 is a cross-sectional view of a conventional variable compression ratio engine.
The figure is a cross-sectional view taken in the vicinity of the eccentric bearing in Figure 4 in a direction perpendicular to Figure 4, Figure 6 is a cross-sectional view of the lock pin hole in Figure 4 and its vicinity, and Figure 7 is a cross-sectional view of the lock pin hole in Figure 6. FIG. 3 is a cross-sectional view of the stuck state. 1... Connecting rod, 3... Eccentric bearing, 4... Lock pin, 14... Lock pin hole, 15... Hydraulic passage, 16... Support pin.
Claims (1)
内外周が偏心した筒体からなる偏心ベアリングを
介在させ、偏心ベアリングにロツク穴をコネクテ
イングロツドにロツクピン穴を設け、ロツクピン
穴に接続する油圧通路を介してロツクピン穴に摺
動自在に収納したロツクピンを駆動しロツクピン
をロツク穴に進入または離脱させる可変圧縮比機
関において、前記コネクテイングロツドに設けた
油圧通路の径をロツクピン穴の径より大とし、油
圧通路とロツクピン穴の接合部位または油圧通路
にロツクピン支持用のサポートピンを設けたこと
を特徴とする可変圧縮比機関用のロツクピン穴。 An eccentric bearing consisting of a cylindrical body with eccentric inner and outer circumferences is interposed between the connecting rod and the piston pin, a lock hole is provided in the eccentric bearing, a lock pin hole is provided in the connecting rod, and a hydraulic passage is connected to the lock pin hole. In a variable compression ratio engine that drives a lock pin that is slidably housed in a lock pin hole and moves the lock pin into or out of the lock hole, the diameter of the hydraulic passage provided in the connecting rod is larger than the diameter of the lock pin hole, A lock pin hole for a variable compression ratio engine, characterized in that a support pin for supporting the lock pin is provided at the junction of the hydraulic passage and the lock pin hole or at the hydraulic passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14992485U JPS6259735U (en) | 1985-10-02 | 1985-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14992485U JPS6259735U (en) | 1985-10-02 | 1985-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6259735U true JPS6259735U (en) | 1987-04-14 |
Family
ID=31065582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14992485U Pending JPS6259735U (en) | 1985-10-02 | 1985-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6259735U (en) |
-
1985
- 1985-10-02 JP JP14992485U patent/JPS6259735U/ja active Pending