JPH0329723U - - Google Patents
Info
- Publication number
- JPH0329723U JPH0329723U JP9014989U JP9014989U JPH0329723U JP H0329723 U JPH0329723 U JP H0329723U JP 9014989 U JP9014989 U JP 9014989U JP 9014989 U JP9014989 U JP 9014989U JP H0329723 U JPH0329723 U JP H0329723U
- Authority
- JP
- Japan
- Prior art keywords
- press
- bearing
- bearing hole
- rotating shaft
- diameter
- 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 4
- 238000002485 combustion reaction Methods 0.000 description 1
Landscapes
- Sliding-Contact Bearings (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
図面は本考案の一実施例を示すもので、第１図
は内燃機関の側面図、第２図は第１図の−線
拡大断面図、第３図は第１図の−線拡大断面
図、第４図は軸受メタルおよび軸受孔の寸法関係
を示す断面図である。
１……支持体としてのシリンダブロツク、６，
７……回転軸としてのバランサ軸、１７〜２１，
３２……軸受孔、２２，３３……軸受メタル、３
６……圧入方向、３７……第１面取り部、３８…
…第２面取り部。
The drawings show an embodiment of the present invention, in which FIG. 1 is a side view of an internal combustion engine, FIG. 2 is an enlarged cross-sectional view taken along the - line in FIG. 1, and FIG. 3 is an enlarged cross-sectional view taken along the - line in FIG. 1. , FIG. 4 is a sectional view showing the dimensional relationship between the bearing metal and the bearing hole. 1...Cylinder block as a support, 6,
7... Balancer shaft as a rotating shaft, 17 to 21,
32... Bearing hole, 22, 33... Bearing metal, 3
6...Press-fitting direction, 37...First chamfered portion, 38...
...Second chamfer.
Claims (1)
される円筒状軸受メタルを介して回転軸が回転自
在に支承される回転軸の軸受構造において、軸受
メタルの軸受孔への圧入方向前端には、圧入方向
前方に向かうにつれて小径となるとともに大径端
外径を軸受孔内径よりも小さくしたテーパ状の第
１面取り部と、回転軸線に対する傾斜角を第１面
取り部よりも小さくしながら圧入方向前方に向か
うにつれて小径となるテーパ状に形成されるとと
もに第１面取り部の大径端に小径端が連設される
第２面取り部とが設けられていることを特徴とす
る回転軸の軸受構造。 In a bearing structure of a rotating shaft in which a rotating shaft is rotatably supported in a bearing hole provided in a support body through a cylindrical bearing metal that is press-fitted into the bearing hole, the front end of the bearing metal in the direction of press-fitting into the bearing hole The tapered first chamfered portion has a diameter that becomes smaller toward the front in the press-fitting direction and has an outer diameter of the large diameter end smaller than the inner diameter of the bearing hole, and a tapered first chamfered portion whose inclination angle with respect to the rotational axis is smaller than that of the first chamfered portion. A rotating shaft having a tapered shape whose diameter becomes smaller toward the front in the press-fitting direction, and a second chamfered part having a small diameter end connected to the large diameter end of the first chamfered part. Bearing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9014989U JPH0329723U (en) | 1989-07-31 | 1989-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9014989U JPH0329723U (en) | 1989-07-31 | 1989-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0329723U true JPH0329723U (en) | 1991-03-25 |
Family
ID=31639688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9014989U Pending JPH0329723U (en) | 1989-07-31 | 1989-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0329723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005201324A (en) * | 2004-01-14 | 2005-07-28 | Ntn Corp | Dynamic pressure bearing device |
-
1989
- 1989-07-31 JP JP9014989U patent/JPH0329723U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005201324A (en) * | 2004-01-14 | 2005-07-28 | Ntn Corp | Dynamic pressure bearing device |
| WO2005068858A1 (en) * | 2004-01-14 | 2005-07-28 | Ntn Corporation | Dynamic pressure bearing device |
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