JPS6038916U - Dynamic pressure type radial/thrust fluid bearing device - Google Patents
Dynamic pressure type radial/thrust fluid bearing deviceInfo
- Publication number
- JPS6038916U JPS6038916U JP13114483U JP13114483U JPS6038916U JP S6038916 U JPS6038916 U JP S6038916U JP 13114483 U JP13114483 U JP 13114483U JP 13114483 U JP13114483 U JP 13114483U JP S6038916 U JPS6038916 U JP S6038916U
- Authority
- JP
- Japan
- Prior art keywords
- dynamic pressure
- thrust
- bearing device
- fluid bearing
- pressure type
- 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.)
- Granted
Links
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の実施例の縦断面図で、符号１１は溝、
２１は円筒孔、３はスラスト受部材、３１は摺動部材、
３２は取付部材、３２１は突出する部分である。FIG. 1 is a longitudinal sectional view of an embodiment of the present invention, in which reference numeral 11 is a groove;
21 is a cylindrical hole, 3 is a thrust receiving member, 31 is a sliding member,
32 is a mounting member, and 321 is a protruding portion.
Claims (1)
を嵌装するスラスト受部材と、前記円筒孔に遊嵌する軸
とで構成し、前記軸の外周面と前記円筒孔の少なくとも
一方に動圧発生用の溝が設けられ、前記外周面と前記円
筒孔との間に動圧膜が形成されてラジアル荷重を支承し
、かつ前記溝により発生する圧力流体が前記スラスト受
部材のスラスト受面と該スラスト受面に対向する軸の端
面との間に導かれ、前記スラスト受面と前記端面との間
に動圧膜が形成されてスラスト荷重を支承する動圧形ラ
ジアル・スラスト流体軸受装置において、前記スラスト
受部材は合成樹脂の摺動部材と金属材料の取付部材とか
らなり、該取付部材は軸方向に突出する部分を有し、該
突出する部分の半径方向外側に前記摺動部材の一部が巻
装するように前記摺動部材と前記取付部とが一体成形さ
れ、前記取付部材が前記円筒孔に嵌合していることを特
徴とする動圧形ラジアル・スラスト流体軸受装置。 −（２）前記突出する部分は環状のリブ状突起である実
用新案登録請求の範囲第１項記載の動圧形ラジアル・ス
ラスト流体軸受装置。 （３）前記取付部材はその線膨張係数が前記ハウジング
の線膨張係数とほぼ同じである実用新案登録請求の範囲
第１項記載の動圧形ラジアル・スラスト流体軸受装置。 （４）前記取付部材は磁性体の金属材料である実用新案
登録請求の範囲第１項記載の動圧形ラジアル・スラスト
流体軸受装置。[Claims for Utility Model Registration] (1) A housing having a cylindrical hole, a thrust receiving member fitting one end of the cylindrical hole, and a shaft loosely fitting into the cylindrical hole; and a groove for generating dynamic pressure is provided in at least one of the cylindrical holes, a dynamic pressure membrane is formed between the outer peripheral surface and the cylindrical hole to support a radial load, and a pressure fluid generated by the groove is provided. is guided between the thrust receiving surface of the thrust receiving member and the end surface of the shaft opposite to the thrust receiving surface, and a dynamic pressure film is formed between the thrust receiving surface and the end surface to support the thrust load. In the dynamic pressure type radial thrust fluid bearing device, the thrust receiving member is composed of a sliding member made of synthetic resin and a mounting member made of a metal material, and the mounting member has a part that projects in the axial direction, and the projecting part The sliding member and the mounting portion are integrally molded so that a part of the sliding member is wrapped around the outside in the radial direction, and the mounting member is fitted into the cylindrical hole. Dynamic pressure type radial thrust fluid bearing device. (2) The dynamic pressure type radial thrust fluid bearing device according to claim 1, wherein the protruding portion is an annular rib-like projection. (3) The dynamic pressure type radial thrust fluid bearing device according to claim 1, wherein the linear expansion coefficient of the mounting member is substantially the same as that of the housing. (4) The dynamic pressure type radial thrust fluid bearing device according to claim 1, wherein the mounting member is made of a magnetic metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13114483U JPS6038916U (en) | 1983-08-26 | 1983-08-26 | Dynamic pressure type radial/thrust fluid bearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13114483U JPS6038916U (en) | 1983-08-26 | 1983-08-26 | Dynamic pressure type radial/thrust fluid bearing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6038916U true JPS6038916U (en) | 1985-03-18 |
| JPS634821Y2 JPS634821Y2 (en) | 1988-02-08 |
Family
ID=30296586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13114483U Granted JPS6038916U (en) | 1983-08-26 | 1983-08-26 | Dynamic pressure type radial/thrust fluid bearing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6038916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283971A (en) * | 2005-03-11 | 2006-10-19 | Nippon Densan Corp | Fluid dynamic pressure bearing and spindle motor provided with fluid dynamic pressure bearing |
-
1983
- 1983-08-26 JP JP13114483U patent/JPS6038916U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006283971A (en) * | 2005-03-11 | 2006-10-19 | Nippon Densan Corp | Fluid dynamic pressure bearing and spindle motor provided with fluid dynamic pressure bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS634821Y2 (en) | 1988-02-08 |
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