JPS58122015U - Hydrodynamic radial bearing - Google Patents

Hydrodynamic radial bearing

Info

Publication number
JPS58122015U
JPS58122015U JP1857682U JP1857682U JPS58122015U JP S58122015 U JPS58122015 U JP S58122015U JP 1857682 U JP1857682 U JP 1857682U JP 1857682 U JP1857682 U JP 1857682U JP S58122015 U JPS58122015 U JP S58122015U
Authority
JP
Japan
Prior art keywords
radial
sleeve
radial bearing
dynamic pressure
groove
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
Application number
JP1857682U
Other languages
Japanese (ja)
Other versions
JPS6146256Y2 (en
Inventor
恭三郎 古村
保夫 村上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NSK Ltd
Original Assignee
NSK Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NSK Ltd filed Critical NSK Ltd
Priority to JP1857682U priority Critical patent/JPS58122015U/en
Publication of JPS58122015U publication Critical patent/JPS58122015U/en
Application granted granted Critical
Publication of JPS6146256Y2 publication Critical patent/JPS6146256Y2/ja
Granted legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of drawings]

一第１図は従来の動圧形ラジアル軸受の断面図、第２図
はこの考案の一実施例を示す動圧形ラジアル軸受の断面
図、第３図はこの考案の他の実施例を示す動圧形ラジア
ル軸受の断面図、第４図はこの考案の動圧形ラジアル軸
受を使用したスピンドルの断面図である。 図中、１１はハウジング、１２はスリーブ、　　−１３
はラジアル内面、１４？：ヘリングボーン状のみぞ、１
６は軸体、１７はラジアル外面、１８゜１１８．２１８
，３１８，４１８は外周みぞであ−る。Fig. 1 is a sectional view of a conventional hydrodynamic radial bearing, Fig. 2 is a sectional view of a hydrodynamic radial bearing showing one embodiment of this invention, and Fig. 3 is a sectional view of another embodiment of this invention. FIG. 4 is a sectional view of a spindle using the hydrodynamic radial bearing of this invention. In the figure, 11 is a housing, 12 is a sleeve, -13
is the radial inner surface, 14? : Herringbone groove, 1
6 is the shaft body, 17 is the radial outer surface, 18°118.218
, 318 and 418 are outer circumferential grooves.

Claims (1)

【実用新案登録請求の範囲】 （１）ハウジング１１に嵌合して固定したプラスチック
製又はプラスチック複合材製のスリーブ：１２は円筒状
のラジアル内面１３を有し、該ラジアル内面１３にヘリ
ングボーン状のみぞ１４が設けられ、前記スリーブ１２
の内周に配設した軸体１６はラジアル内面１３と対向し
て共働するラジアル外面１７を有している動圧形ラジア
ル軸受において、前記ラジアル外面１７に設、　けた外
周みぞ１８．１１８，２１Ｑ、３１８゜４１８かへリン
グボーン状のみぞ１４と対向していることを特徴とする
動圧形ラジアル軸受。 −（２）　　へリングボーン状のみぞ１４が外周みぞ１
８に対して対称に構成されている実用新案登録語′　　
求の範囲第１項記載の動圧形ラジアル軸受。 （３）　　外周みぞ１１８がラジアル外面１７の一方の
端部に設けられてい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軸受。 （４）外周みぞ１１Ｂ、２１Ｂがラジアル外面１７の両
端部に設けられてい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軸受。 （５）スリーブ１２が一方のスリーブ１１２と一方のス
リーブ１１２に当接する他方のスリーブ２１２とから構
成されている実用新案登録請求の範囲第１項記載の動圧
形ラジアル軸受。　　　　　　−[Claims for Utility Model Registration] (1) A sleeve made of plastic or plastic composite material that is fitted and fixed to the housing 11: 12 has a cylindrical radial inner surface 13, and the radial inner surface 13 has a herringbone shape. A groove 14 is provided in the sleeve 12.
In a dynamic pressure type radial bearing having a radial outer surface 17 that faces and cooperates with the radial inner surface 13, the shaft body 16 disposed on the inner periphery of the shaft body 16 is provided on the radial outer surface 17 and has an outer circumferential groove 18,118, 21Q, 318° 418 A dynamic pressure type radial bearing characterized by facing grooves 14 in the form of ring bones. -(2) The herringbone groove 14 is the outer groove 1
Utility model registered word that is symmetrically constructed with respect to 8'
Dynamic pressure type radial bearing according to item 1. (3) The hydrodynamic radial bearing according to claim 1, wherein the outer circumferential groove 118 is provided at one end of the radial outer surface 17. (4) The dynamic pressure type radial bearing according to claim 1, wherein the outer circumferential grooves 11B and 21B are provided at both ends of the radial outer surface 17. (5) The hydrodynamic radial bearing according to claim 1, wherein the sleeve 12 is composed of one sleeve 112 and the other sleeve 212 that abuts the one sleeve 112. −
JP1857682U 1982-02-15 1982-02-15 Hydrodynamic radial bearing Granted JPS58122015U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1857682U JPS58122015U (en) 1982-02-15 1982-02-15 Hydrodynamic radial bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1857682U JPS58122015U (en) 1982-02-15 1982-02-15 Hydrodynamic radial bearing

Publications (2)

Publication Number Publication Date
JPS58122015U true JPS58122015U (en) 1983-08-19
JPS6146256Y2 JPS6146256Y2 (en) 1986-12-26

Family

ID=30030829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1857682U Granted JPS58122015U (en) 1982-02-15 1982-02-15 Hydrodynamic radial bearing

Country Status (1)

Country Link
JP (1) JPS58122015U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6028626U (en) * 1983-08-02 1985-02-26 エヌ・テ−・エヌ東洋ベアリング株式会社 Hydrodynamic radial bearing
JP2002147385A (en) * 2000-11-08 2002-05-22 Osaka Vacuum Ltd Seal structure of turbo-molecular pump

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420583A (en) * 1965-05-21 1969-01-07 Tno Bearing for radial and axial loads
JPS5294952A (en) * 1976-02-03 1977-08-10 Philips Nv Method of producing plastic point symmetrical bearing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3420583A (en) * 1965-05-21 1969-01-07 Tno Bearing for radial and axial loads
JPS5294952A (en) * 1976-02-03 1977-08-10 Philips Nv Method of producing plastic point symmetrical bearing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6028626U (en) * 1983-08-02 1985-02-26 エヌ・テ−・エヌ東洋ベアリング株式会社 Hydrodynamic radial bearing
JP2002147385A (en) * 2000-11-08 2002-05-22 Osaka Vacuum Ltd Seal structure of turbo-molecular pump

Also Published As

Publication number Publication date
JPS6146256Y2 (en) 1986-12-26

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