JPS58187613U - Dynamic pressure type fluid bearing - Google Patents
Dynamic pressure type fluid bearingInfo
- Publication number
- JPS58187613U JPS58187613U JP8475382U JP8475382U JPS58187613U JP S58187613 U JPS58187613 U JP S58187613U JP 8475382 U JP8475382 U JP 8475382U JP 8475382 U JP8475382 U JP 8475382U JP S58187613 U JPS58187613 U JP S58187613U
- Authority
- JP
- Japan
- Prior art keywords
- bearing member
- thrust
- sleeve
- bearing
- cylindrical
- 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図は従来の動圧形流体軸受の断面図、第2図はこの
考案の一実施例を示す動圧形流体軸受の断面図、第3図
は第2図に示すスラスト受面の平面図、第4図および第
5図はこの考案の他の実施例を示す動圧形流体軸受の断
面図である。
図中、21はハウジング、22は軸受部材、23は軸受
部材の底面、24は支持部材、27は円筒状孔、28は
スラスト受面、29はラジアル内面、31は動圧発生用
みぞ、32は凸状部、33は動圧発生作用のみぞ、34
は循環穴、36は流通みぞ、39は連通路、41は円筒
状孔の開口部、42は環状の接触面、51は軸体、52
はスラスト端面、53はラジアル外面である。Fig. 1 is a sectional view of a conventional hydrodynamic bearing, Fig. 2 is a sectional view of a hydrodynamic bearing showing an embodiment of this invention, and Fig. 3 is a plane of the thrust bearing surface shown in Fig. 2. 4 and 5 are cross-sectional views of hydrodynamic bearings showing other embodiments of this invention. In the figure, 21 is a housing, 22 is a bearing member, 23 is a bottom surface of the bearing member, 24 is a support member, 27 is a cylindrical hole, 28 is a thrust bearing surface, 29 is a radial inner surface, 31 is a groove for generating dynamic pressure, 32 33 is a convex portion, 33 is a groove for generating dynamic pressure, 34
36 is a circulation hole, 39 is a communication path, 41 is an opening of a cylindrical hole, 42 is an annular contact surface, 51 is a shaft body, 52
is a thrust end face, and 53 is a radial outer surface.
Claims (1)
2を嵌合して配設し、該軸受部材の底面23に当接して
配設した支持部材24を71ウジング21に固定し、前
記軸受部材22に設けた円筒状孔27は平面状のスラス
ト受面28と動圧発生用みぞ31を有する円筒状のラジ
アル内面29とを有し、前記スラスト受面28は中央部
に設けた凸状部32と凸状部32の周囲に設けた動圧発
生作用のみぞ33とを有し、前記凸状部32に設けた循
環穴34が軸受部材の底面23に設けた流通みぞ36お
よび軸受部材22の外周面に設けた連通路39を介して
円筒状孔の開口部41と連通し、前記円筒状孔27に配
設した軸体51はスラスト受面28に対向する平面状の
スラスト端面52とラジアル内面29に対向する円筒状
のラジアル外面53とを有し、前記凸状部32は軸受の
静止時にスラスト端面52と接する環状の接触面42を
循環穴34の周囲に有する動圧形流体軸受。 2 軸受部材22がスリーブ122とスリーブ122の
一方の端部に当接するスラスト荷重受は部材222とか
ら構成される実用新案登録請求の範囲第1項記載の動圧
形流体軸受。 3 スリーブ22の一方の端部に設けたリップ322が
スラスト荷重受は部材222と接触する実用新案登録請
求の範囲第2項記載の動圧形流体軸受。 4 スラスト荷重受は部材222に設けたリップがスリ
ーブ122の一方の端部に接触する実用新案登録請求の
範囲第2項記載の動圧形流体軸受。[Claims for Utility Model Registration] 1. Bearing member 2 made of synthetic resin on the inner peripheral surface of the housing 21
A supporting member 24, which is disposed in contact with the bottom surface 23 of the bearing member, is fixed to the 71 housing 21, and the cylindrical hole 27 provided in the bearing member 22 is formed into a planar thrust The thrust receiving surface 28 has a receiving surface 28 and a cylindrical radial inner surface 29 having a groove 31 for generating dynamic pressure. The circulation hole 34 provided in the convex portion 32 is connected to the cylindrical cylinder through a circulation groove 36 provided in the bottom surface 23 of the bearing member and a communication path 39 provided in the outer peripheral surface of the bearing member 22. The shaft body 51 , which communicates with the opening 41 of the shaped hole and is disposed in the cylindrical hole 27 , has a flat thrust end surface 52 facing the thrust receiving surface 28 and a cylindrical radial outer surface 53 facing the radial inner surface 29 . The convex portion 32 has an annular contact surface 42 around the circulation hole 34 that contacts the thrust end surface 52 when the bearing is at rest. 2. The hydrodynamic bearing according to claim 1, wherein the bearing member 22 is comprised of a sleeve 122 and a thrust load bearing member 222 that abuts one end of the sleeve 122. 3. The hydrodynamic bearing according to claim 2, wherein the lip 322 provided at one end of the sleeve 22 contacts the thrust load bearing member 222. 4. The hydrodynamic bearing according to claim 2, in which the thrust load receiver has a lip provided on the member 222 that contacts one end of the sleeve 122.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8475382U JPS58187613U (en) | 1982-06-09 | 1982-06-09 | Dynamic pressure type fluid bearing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8475382U JPS58187613U (en) | 1982-06-09 | 1982-06-09 | Dynamic pressure type fluid bearing |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58187613U true JPS58187613U (en) | 1983-12-13 |
JPS631054Y2 JPS631054Y2 (en) | 1988-01-12 |
Family
ID=30093679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8475382U Granted JPS58187613U (en) | 1982-06-09 | 1982-06-09 | Dynamic pressure type fluid bearing |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58187613U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010127386A (en) * | 2008-11-27 | 2010-06-10 | Ntn Corp | Fluid dynamic-pressure bearing device |
-
1982
- 1982-06-09 JP JP8475382U patent/JPS58187613U/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010127386A (en) * | 2008-11-27 | 2010-06-10 | Ntn Corp | Fluid dynamic-pressure bearing device |
Also Published As
Publication number | Publication date |
---|---|
JPS631054Y2 (en) | 1988-01-12 |
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