JPS6310217U - - Google Patents
Info
- Publication number
- JPS6310217U JPS6310217U JP10374886U JP10374886U JPS6310217U JP S6310217 U JPS6310217 U JP S6310217U JP 10374886 U JP10374886 U JP 10374886U JP 10374886 U JP10374886 U JP 10374886U JP S6310217 U JPS6310217 U JP S6310217U
- Authority
- JP
- Japan
- Prior art keywords
- groove
- engine
- central axis
- view
- crank
- 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
- 238000002485 combustion reaction Methods 0.000 claims 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１図は本考案の第１実施例に係る構造の縦断
面図、第２図は第１図の―線に沿う部分縦断
面図、第３図は第２図の装置の変形例を示す縦断
面図、第４図は第１図の部の拡大部分断面図、
第５図は本考案の第２実施例に係る構造の部分縦
断面図、第６図は第５図の部の拡大部分断面図
、第７図は本考案の第３実施例に係る構造の部分
縦断面図、第８図は第７図の部の拡大部分断面
図、第９図は本考案の第４実施例に係る構造の部
分縦断面図、第１０図は本考案の第５実施例に係
る構造の縦断面図、第１１図は第１０図の―
線に沿う部分縦断面図、第１２図は本考案の
第６実施例に係る構造の縦断面図、第１３図は本
考案の第７実施例に係る構造の縦断面図、第１４
図は公知の可変圧縮比機構の縦断面図、第１５図
は第１４図の装置の第１４図とは直角方向の縦断
面図、第１６図は実開昭５５―９２００９号公報
に開示されたオイルシール構造の縦断面図、第１
７図は第１６図の装置の拡大部分断面図、である
。
３１，７２，１０２，１１１……クランクシヤ
フト、３２……コネクテイングロツド、３５，７
１，１０４，１１７，１４２……主軸受部、３６
，７３……クランクジヤーナル、３８……クラン
クピン、３９，１１９，１４３……大端部、４１
，４２，４３，４４……オイル通路、４８ａ，４
８ｂ，７４，１０５，１１８ａ，１１８ｂ……主
軸受部の側面、４９ａ，４９ｂ，５８ａ，５８ｂ
，７５，１０３，１１２ａ，１１２ｂ，１１３ａ
，１１３ｂ……クランクシヤフトの側面、５０，
７８，１０６……クランクジヤーナルの中心軸、
５１ａ，５１ｂ，５１ｃ，５１ｄ，５９ａ，５９
ｂ，５９ｃ，５９ｄ，７６，１０１ａ，１０１ｂ
，１１５ａ，１１５ｂ，１１５ｃ，１１５ｄ……
溝、５２ａ，５２ｂ，５４，６０ａ，６０ｂ，７
７，９１，１０７，１１６ａ，１１６ｂ，１１６
ｃ，１１６ｄ，１３１ａ，１３１ｂ，１３１ｃ，
１３１ｄ，１４１ａ，１４１ｂ，１４１ｃ，１４
１ｄ……シールリング、５５ａ，５５ｂ，７９…
…溝の内側面、５７ａ，５７ｂ，１２０ａ，１２
０ｂ……コネクテイングロツド大端部の側面、６
１……クランクピンの中心軸、１１４ａ，１１４
ｂ，１１４ｃ，１１４ｄ，１３２ａ，１３２ｂ，
１３２ｃ，１３２ｄ，１４４ａ，１４４ｂ，１４
４ｃ，１４４ｄ……凸部壁、１２１ａ，１２１ｂ
，１２１ｃ，１２１ｄ……ヌスミ。
FIG. 1 is a vertical sectional view of a structure according to a first embodiment of the present invention, FIG. 2 is a partial longitudinal sectional view taken along the line - in FIG. 1, and FIG. 3 shows a modification of the device shown in FIG. 2. A vertical sectional view, FIG. 4 is an enlarged partial sectional view of the part shown in FIG. 1,
5 is a partial vertical sectional view of a structure according to a second embodiment of the present invention, FIG. 6 is an enlarged partial sectional view of the part shown in FIG. 5, and FIG. 7 is a partial longitudinal sectional view of a structure according to a third embodiment of the present invention. 8 is an enlarged partial sectional view of the part shown in FIG. 7, FIG. 9 is a partial vertical sectional view of the structure according to the fourth embodiment of the present invention, and FIG. 10 is a fifth embodiment of the present invention. A vertical cross-sectional view of the structure according to the example, FIG. 11 is the same as in FIG. 10.
12 is a longitudinal sectional view of a structure according to a sixth embodiment of the present invention; FIG. 13 is a longitudinal sectional view of a structure according to a seventh embodiment of the present invention; FIG.
15 is a vertical sectional view of a known variable compression ratio mechanism, FIG. 15 is a vertical sectional view of the device shown in FIG. 14 in a direction perpendicular to FIG. 14, and FIG. Longitudinal cross-sectional view of the oil seal structure, 1st
FIG. 7 is an enlarged partial cross-sectional view of the device of FIG. 16. 31, 72, 102, 111...Crankshaft, 32...Connecting rod, 35,7
1,104,117,142...Main bearing part, 36
, 73... Crank journal, 38... Crank pin, 39, 119, 143... Big end, 41
, 42, 43, 44...Oil passage, 48a, 4
8b, 74, 105, 118a, 118b...Side surface of main bearing part, 49a, 49b, 58a, 58b
, 75, 103, 112a, 112b, 113a
, 113b...Side surface of crankshaft, 50,
78,106...Crank journal center axis,
51a, 51b, 51c, 51d, 59a, 59
b, 59c, 59d, 76, 101a, 101b
, 115a, 115b, 115c, 115d...
Groove, 52a, 52b, 54, 60a, 60b, 7
7, 91, 107, 116a, 116b, 116
c, 116d, 131a, 131b, 131c,
131d, 141a, 141b, 141c, 14
1d... Seal ring, 55a, 55b, 79...
...Inner surface of groove, 57a, 57b, 120a, 12
0b...Side surface of connecting rod big end, 6
1... Central axis of crank pin, 114a, 114
b, 114c, 114d, 132a, 132b,
132c, 132d, 144a, 144b, 14
4c, 144d... Convex wall, 121a, 121b
, 121c, 121d... Nusumi.
Claims (1)
前後方向前後に位置する側面とクランクシヤフト
の側面とが対向する部位およびコネクテイングロ
ツド大端部の機関前後方向前後に位置する側面と
クランクシヤフトの側面とが対向する部位の少な
くとも一方の部位にて、互に対向する前記両側面
の少なくとも一方に、クランクジヤーナル又はク
ランクピンの中心軸周りに環状に延びる溝を設け
、該溝に環状のシールリングを装着した内燃機関
におけるオイルシール構造において、前記溝のク
ランクジヤーナル又はクランクピンの中心軸から
みて外側にある内側面を、溝の開放端側にいく程
前記中心軸からの半径が大きくなる方向に傾斜さ
せたことを特徴とする内燃機関におけるオイルシ
ール構造。 The side surface of the main bearing that supports the crank journal facing the front and rear sides of the engine in the longitudinal direction of the engine and the side surface of the crankshaft, and the side surface of the connecting rod big end facing the front and rear of the engine longitudinal direction and the side surface of the crankshaft. A groove extending annularly around the central axis of the crank journal or crank pin is provided in at least one of the mutually opposing sides at at least one of the opposing portions, and an annular seal ring is attached to the groove. In the oil seal structure for an internal combustion engine, the inner surface of the groove located on the outside when viewed from the central axis of the crank journal or crank pin is inclined in a direction in which the radius from the central axis increases toward the open end of the groove. An oil seal structure for an internal combustion engine characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10374886U JPS6310217U (en) | 1986-07-08 | 1986-07-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10374886U JPS6310217U (en) | 1986-07-08 | 1986-07-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6310217U true JPS6310217U (en) | 1988-01-23 |
Family
ID=30976601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10374886U Pending JPS6310217U (en) | 1986-07-08 | 1986-07-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6310217U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02290619A (en) * | 1988-12-28 | 1990-11-30 | Southwire Co | High speed coiling machine |
| JPH0494161U (en) * | 1991-01-11 | 1992-08-14 | ||
| JP2017040356A (en) * | 2015-08-21 | 2017-02-23 | 大豊工業株式会社 | Supporting device for crankshaft |
-
1986
- 1986-07-08 JP JP10374886U patent/JPS6310217U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02290619A (en) * | 1988-12-28 | 1990-11-30 | Southwire Co | High speed coiling machine |
| JPH0494161U (en) * | 1991-01-11 | 1992-08-14 | ||
| JP2017040356A (en) * | 2015-08-21 | 2017-02-23 | 大豊工業株式会社 | Supporting device for crankshaft |
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