JPH02130419U - - Google Patents
Info
- Publication number
- JPH02130419U JPH02130419U JP3797589U JP3797589U JPH02130419U JP H02130419 U JPH02130419 U JP H02130419U JP 3797589 U JP3797589 U JP 3797589U JP 3797589 U JP3797589 U JP 3797589U JP H02130419 U JPH02130419 U JP H02130419U
- Authority
- JP
- Japan
- Prior art keywords
- axial direction
- shaft
- vicinity
- crankshaft
- curved surface
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sliding-Contact Bearings (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１図はこの考案の一実施例を示す断面図、第
２図は油膜圧力分布図、第３図は従来例を示す断
面図、第４図は従来例を示す断面図、第５図は更
に他の従来例を示す要部の断面図である。
４３……クランクシヤフト、４５……クランク
ピン（軸部）、５５……凹曲面、５９……軸受（
軸受部）、６１ａ……油保持面（筒状面）、６１
ｂ……凸曲面。
Fig. 1 is a sectional view showing an embodiment of this invention, Fig. 2 is an oil film pressure distribution diagram, Fig. 3 is a sectional view showing a conventional example, Fig. 4 is a sectional view showing a conventional example, and Fig. 5 is a sectional view showing an example of the conventional example. FIG. 7 is a sectional view of a main part showing still another conventional example. 43... Crankshaft, 45... Crank pin (shaft), 55... Concave curved surface, 59... Bearing (
Bearing part), 61a...Oil retaining surface (cylindrical surface), 61
b...Convex curved surface.
Claims (1)
て両側軸端部程大径となる凹曲面を形成した軸部
を有するクランクシヤフトの軸受構造において、
前記軸部を回転支持する軸受部の軸線方向中央部
付近を軸線とほぼ平行な直線部を有する筒状面に
形成するとともに、この中央部付近の両側を前記
軸部の凹曲面部位に対してほぼ均一な隙間を保持
する凸曲面に形成してなることを特徴とするクラ
ンクシヤフトの軸受構造。 In a bearing structure for a crankshaft having a shaft portion having a concave curved surface with a minimum diameter at the center in the axial direction and increasing in diameter toward both ends of the shaft along the axial direction,
The vicinity of the central part in the axial direction of the bearing part that rotatably supports the shaft part is formed into a cylindrical surface having a straight part substantially parallel to the axis, and both sides of the vicinity of this central part are formed with respect to the concave curved part of the shaft part. A crankshaft bearing structure characterized by being formed into a convex curved surface that maintains a nearly uniform gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3797589U JPH02130419U (en) | 1989-04-03 | 1989-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3797589U JPH02130419U (en) | 1989-04-03 | 1989-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02130419U true JPH02130419U (en) | 1990-10-26 |
Family
ID=31545569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3797589U Pending JPH02130419U (en) | 1989-04-03 | 1989-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02130419U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2682620A1 (en) * | 2011-03-01 | 2014-01-08 | NTN Corporation | Sliding bearing |
| JP2014508259A (en) * | 2011-03-07 | 2014-04-03 | スィーッセンクルップ・メタルージカ・カンポ・リンポ・エルティーディーエー． | Crank drive |
| JP2016161004A (en) * | 2015-02-27 | 2016-09-05 | 三菱重工業株式会社 | Journal bearing device |
-
1989
- 1989-04-03 JP JP3797589U patent/JPH02130419U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2682620A1 (en) * | 2011-03-01 | 2014-01-08 | NTN Corporation | Sliding bearing |
| EP2682620A4 (en) * | 2011-03-01 | 2014-12-10 | Ntn Toyo Bearing Co Ltd | Sliding bearing |
| US8998495B2 (en) | 2011-03-01 | 2015-04-07 | Ntn Corporation | Sliding bearing |
| JP2014508259A (en) * | 2011-03-07 | 2014-04-03 | スィーッセンクルップ・メタルージカ・カンポ・リンポ・エルティーディーエー． | Crank drive |
| JP2016161004A (en) * | 2015-02-27 | 2016-09-05 | 三菱重工業株式会社 | Journal bearing device |