JPS6243144U - - Google Patents
Info
- Publication number
- JPS6243144U JPS6243144U JP13442185U JP13442185U JPS6243144U JP S6243144 U JPS6243144 U JP S6243144U JP 13442185 U JP13442185 U JP 13442185U JP 13442185 U JP13442185 U JP 13442185U JP S6243144 U JPS6243144 U JP S6243144U
- Authority
- JP
- Japan
- Prior art keywords
- eccentric bearing
- connecting rod
- compression ratio
- rotation
- 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 8
- 238000007906 compression Methods 0.000 claims description 8
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図イは本考案の第1実施例に係る可変圧縮
比機構の油圧通路の断面図、第1図ロは第1図イ
のA―A線に沿う断面図、第1図ハは第1図イの
B―B線に沿う断面図、第2図は本考案の第2実
施例に係る可変圧縮比機構の油圧通路の断面図、
第3図は従来の可変圧縮比機構の断面図、第4図
イは従来の可変圧縮比機構の第3図とは直角方向
の断面図、第4図ロは第4図イのC―C線に沿う
断面図、である。
3……コネクテイングロツド、9……ロツクピ
ン、10,11……油通路、13,14……油溝
、17,18……油穴、19,22……油通路。
FIG. 1A is a sectional view of the hydraulic passage of the variable compression ratio mechanism according to the first embodiment of the present invention, FIG. 1B is a sectional view taken along line AA in FIG. 1 is a cross-sectional view taken along line B-B in Figure 1A, and Figure 2 is a cross-sectional view of a hydraulic passage of a variable compression ratio mechanism according to a second embodiment of the present invention.
Fig. 3 is a sectional view of a conventional variable compression ratio mechanism, Fig. 4 (a) is a sectional view of the conventional variable compression ratio mechanism in a direction perpendicular to Fig. 3, and Fig. 4 (b) is a cross-sectional view of the conventional variable compression ratio mechanism taken along C-C of Fig. 4 (a). FIG. 3... Connecting rod, 9... Lock pin, 10, 11... Oil passage, 13, 14... Oil groove, 17, 18... Oil hole, 19, 22... Oil passage.
Claims (1)
偏心ベアリングを介装して偏心ベアリングの回転
に応じて圧縮比を可変とし、コネクテイングロツ
ドに出入自在に装着したロツクピンを偏心ベアリ
ングに設けた孔に出し入れすることによつて偏心
ベアリングの回転をロツク、アンロツク可能とし
、ロツクピンの駆動をコネクテイングロツド大端
孔の円周部に設けた2つの油溝からコネクテイン
グロツドの大端部と小端部との間にわたつて延び
る2つの油通路に圧油を切換可能に供給して行な
うようにした偏心ベアリングタイプの可変圧縮比
機構において、前記2つの油溝との接続を、それ
ぞれクランクの回転方向前端部にしたことを特徴
とする可変圧縮機構の油圧通路。 An eccentric bearing is inserted between the piston pin and the connecting rod to make the compression ratio variable according to the rotation of the eccentric bearing, and the lock pin, which is attached to the connecting rod so that it can be moved in and out, is inserted into and taken out of the hole provided in the eccentric bearing. By doing so, the rotation of the eccentric bearing can be locked and unlocked, and the lock pin is driven from two oil grooves provided on the circumference of the connecting rod large end hole to the large and small ends of the connecting rod. In an eccentric bearing type variable compression ratio mechanism in which pressurized oil is switchably supplied to two oil passages extending between A hydraulic passage of a variable compression mechanism characterized in that the front end of the hydraulic passage is located at the front end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13442185U JPS6243144U (en) | 1985-09-04 | 1985-09-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13442185U JPS6243144U (en) | 1985-09-04 | 1985-09-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6243144U true JPS6243144U (en) | 1987-03-16 |
Family
ID=31035650
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13442185U Pending JPS6243144U (en) | 1985-09-04 | 1985-09-04 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6243144U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02248722A (en) * | 1989-03-20 | 1990-10-04 | Honda Motor Co Ltd | Synchronous meshing device of transmission |
-
1985
- 1985-09-04 JP JP13442185U patent/JPS6243144U/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02248722A (en) * | 1989-03-20 | 1990-10-04 | Honda Motor Co Ltd | Synchronous meshing device of transmission |