JPS6342842U - - Google Patents
Info
- Publication number
- JPS6342842U JPS6342842U JP1986135609U JP13560986U JPS6342842U JP S6342842 U JPS6342842 U JP S6342842U JP 1986135609 U JP1986135609 U JP 1986135609U JP 13560986 U JP13560986 U JP 13560986U JP S6342842 U JPS6342842 U JP S6342842U
- Authority
- JP
- Japan
- Prior art keywords
- compression ratio
- hydraulic passage
- oil
- bearing metal
- circumference
- 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
- 229910000897 Babbitt (metal) Inorganic materials 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000013459 approach Methods 0.000 claims 1
- 230000007423 decrease Effects 0.000 claims 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
- F16C33/1065—Grooves on a bearing surface for distributing or collecting the liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
- F16C17/022—Sliding-contact bearings for exclusively rotary movement for radial load only with a pair of essentially semicircular bearing sleeves
Description
第１図は本考案の一実施例に係る可変圧縮比機
構の油圧通路でクランクジヤーナルの軸受メタル
近傍の断面図、第２図は第１図に示した軸受メタ
ルの斜視図、第３図は第１図における油溝の端部
の拡大平面図、第４図は第１図における油溝の端
部の拡大斜視図、第５図は本考案の可変圧縮比機
構の油圧通路の断面図、第６図は第５図の―
線に沿う断面図、第７図は第５図のクランクシヤ
フト近傍のオイル通路の斜視図、第８図は従来の
可変圧縮比機構の油圧通路でクランクジヤーナル
の軸受メタル近傍の断面図、第９図は第８図にお
ける油溝の端部の拡大平面図、第１０図は第８図
における油溝の端部の拡大斜視図、である。
１３……ピストンピン、１４……コネクテイン
グロツド、１５……クランクシヤフト、１６……
偏心ベアリング、１７……ロツクピン係合孔、１
８……ロツクピン、１９……ロツクピン収納穴、
２０……ロツクピンロツク用油圧通路、２１……
ロツクピンアンロツク用油圧通路、２４……油孔
、２５……クランクジヤーナル、２６，２７……
軸受メタル、２８，２９……油溝、２８ａ，２８
ｂ，２９ａ，２９ｂ……油溝の端部。
Fig. 1 is a sectional view of the hydraulic passage of a variable compression ratio mechanism according to an embodiment of the present invention near the bearing metal of the crank journal, Fig. 2 is a perspective view of the bearing metal shown in Fig. 1, and Fig. 3 is a sectional view of the hydraulic passage near the bearing metal of the crank journal. FIG. 4 is an enlarged perspective view of the end of the oil groove in FIG. 1, FIG. 5 is a sectional view of the hydraulic passage of the variable compression ratio mechanism of the present invention, Figure 6 is the same as Figure 5.
7 is a perspective view of the oil passage near the crankshaft shown in Fig. 5; Fig. 8 is a sectional view of the hydraulic passage of a conventional variable compression ratio mechanism near the bearing metal of the crank journal; Fig. 9 is a sectional view taken along the line; The figure is an enlarged plan view of the end of the oil groove in FIG. 8, and FIG. 10 is an enlarged perspective view of the end of the oil groove in FIG. 13...Piston pin, 14...Connecting rod, 15...Crankshaft, 16...
Eccentric bearing, 17...Lock pin engagement hole, 1
8...Lock pin, 19...Lock pin storage hole,
20... Hydraulic passage for lock pin lock, 21...
Hydraulic passage for lock pin unlocking, 24... Oil hole, 25... Crank journal, 26, 27...
Bearing metal, 28, 29...Oil groove, 28a, 28
b, 29a, 29b... Ends of oil grooves.
Claims (1)
縮比制御用油圧通路と高圧縮比制御用油圧通路を
、クランクジヤーナルの軸受メタルの周上に形成
された２つの独立の油溝に別個に接続し、該軸受
メタル周上の２つの油溝を、クランクシヤフト内
の油孔を介してコネクテイングロツド内に形成さ
れ偏心ベアリングに係合可能なロツクピンを油圧
駆動させるための２つの油通路にそれぞれ接続し
た可変圧縮比機構の油圧通路において、前記クラ
ンクジヤーナルの軸受メタルに形成された前記２
つの油溝の両端部を、先端に近づくにつれて徐々
に油溝の断面積が小となるように形成したことを
特徴とする可変圧縮比機構の油圧通路。 A hydraulic passage for low compression ratio control and a hydraulic passage for high compression ratio control, which are formed independently in the cylinder block, are connected separately to two independent oil grooves formed on the circumference of the bearing metal of the crank journal. , the two oil grooves on the circumference of the bearing metal are connected to two oil passages for hydraulically driving a lock pin formed in the connecting rod and engageable with the eccentric bearing via an oil hole in the crankshaft. In the hydraulic passage of the connected variable compression ratio mechanism, the second
A hydraulic passage of a variable compression ratio mechanism, characterized in that both ends of the oil groove are formed such that the cross-sectional area of the oil groove gradually decreases as it approaches the tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986135609U JPS6342842U (en) | 1986-09-05 | 1986-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986135609U JPS6342842U (en) | 1986-09-05 | 1986-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6342842U true JPS6342842U (en) | 1988-03-22 |
Family
ID=31037955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986135609U Pending JPS6342842U (en) | 1986-09-05 | 1986-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6342842U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012123186A1 (en) * | 2011-03-11 | 2012-09-20 | Federal-Mogul Wiesbaden Gmbh | Plain bearing half liner |
| WO2018073014A1 (en) * | 2016-10-20 | 2018-04-26 | Robert Bosch Gmbh | Bearing bush, in particular plain bearing bush |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61142311A (en) * | 1984-12-14 | 1986-06-30 | Honda Motor Co Ltd | Supply device of lubricating oil in crankshaft journal part |
-
1986
- 1986-09-05 JP JP1986135609U patent/JPS6342842U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61142311A (en) * | 1984-12-14 | 1986-06-30 | Honda Motor Co Ltd | Supply device of lubricating oil in crankshaft journal part |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012123186A1 (en) * | 2011-03-11 | 2012-09-20 | Federal-Mogul Wiesbaden Gmbh | Plain bearing half liner |
| CN103415713A (en) * | 2011-03-11 | 2013-11-27 | 联合莫古尔威斯巴登有限公司 | Plain bearing half liner |
| KR20140017596A (en) * | 2011-03-11 | 2014-02-11 | 페데랄-모굴 비스바덴 게엠베하 | Plain bearing half liner |
| JP2014508257A (en) * | 2011-03-11 | 2014-04-03 | フエデラル―モーグル・ウイースバーデン・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング | Plain bearing shell |
| US8870460B2 (en) | 2011-03-11 | 2014-10-28 | Federal-Mogul Wiesbaden Gmbh | Plain bearing half liner |
| WO2018073014A1 (en) * | 2016-10-20 | 2018-04-26 | Robert Bosch Gmbh | Bearing bush, in particular plain bearing bush |