JPS61200925U - - Google Patents

Info

Publication number
JPS61200925U
JPS61200925U JP1985085081U JP8508185U JPS61200925U JP S61200925 U JPS61200925 U JP S61200925U JP 1985085081 U JP1985085081 U JP 1985085081U JP 8508185 U JP8508185 U JP 8508185U JP S61200925 U JPS61200925 U JP S61200925U
Authority
JP
Japan
Prior art keywords
bearing
rotating shaft
thrust
conductive
thrust bearing
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
Application number
JP1985085081U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP1985085081U priority Critical patent/JPS61200925U/ja
Publication of JPS61200925U publication Critical patent/JPS61200925U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/06—Ball or roller bearings
    • F16C25/08—Ball or roller bearings self-adjusting
    • F16C25/086—Ball or roller bearings self-adjusting with magnetic means to preload the bearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/045—Sliding-contact bearings for exclusively rotary movement for axial load only with grooves in the bearing surface to generate hydrodynamic pressure, e.g. spiral groove thrust bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Sliding-Contact Bearings (AREA)
  • Rotational Drive Of Disk (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Manufacture Of Motors, Generators (AREA)

Description

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

第１図はこの考案の駆動モータの実施例を示す
断面図、第２図は従来の駆動モータの断面図、第
３図はそのスラスト軸受の平面図である。 ６…ステータ、６ａ，６ａ′…ラジアル軸受、
６ｂ…スラスト軸受、６ｃ…駆動コイル、６ｄ…
基板、７…回転軸、８…ロータ、８ａ…永久磁石
、８ｂ…ヨーク、８ｃ…ターンテーブルの取付板
。 FIG. 1 is a sectional view showing an embodiment of the drive motor of this invention, FIG. 2 is a sectional view of a conventional drive motor, and FIG. 3 is a plan view of its thrust bearing. 6... Stator, 6a, 6a'... Radial bearing,
6b... Thrust bearing, 6c... Drive coil, 6d...
Substrate, 7...rotating shaft, 8...rotor, 8a...permanent magnet, 8b...yoke, 8c...turntable mounting plate.

Claims (1)

【実用新案登録請求の範囲】 (1) ラジアル軸受およびスラスト軸受を介して
回転自在に設けた導電性の回転軸と、この回転軸
に固定した回転体とよりなり、前記スラスト軸受
を導電性プラスチツクで作るとともに、回転軸と
スラスト軸受との当接部に導電性グリースを介在
させたことを特徴とする軸受構造。 (2) 前記スラスト軸はスパイラル状の凸部また
は凹部を設けたスパイラル・グルーブ・ベアリン
グであることを特徴とする実用新案登録請求の範
囲第１項に記載の軸受構造。[Claims for Utility Model Registration] (1) Consisting of a conductive rotating shaft rotatably provided via a radial bearing and a thrust bearing, and a rotating body fixed to this rotating shaft, the thrust bearing is made of conductive plastic. A bearing structure characterized by having conductive grease interposed between the rotating shaft and the thrust bearing. (2) The bearing structure according to claim 1, wherein the thrust shaft is a spiral groove bearing provided with a spiral convex portion or a concave portion.
JP1985085081U 1985-06-05 1985-06-05 Pending JPS61200925U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985085081U JPS61200925U (en) 1985-06-05 1985-06-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985085081U JPS61200925U (en) 1985-06-05 1985-06-05

Publications (1)

Publication Number Publication Date
JPS61200925U true JPS61200925U (en) 1986-12-16

Family

ID=30635146

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985085081U Pending JPS61200925U (en) 1985-06-05 1985-06-05

Country Status (1)

Country Link
JP (1) JPS61200925U (en)

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