JPS63150119U - - Google Patents

Info

Publication number
JPS63150119U
JPS63150119U JP4293887U JP4293887U JPS63150119U JP S63150119 U JPS63150119 U JP S63150119U JP 4293887 U JP4293887 U JP 4293887U JP 4293887 U JP4293887 U JP 4293887U JP S63150119 U JPS63150119 U JP S63150119U
Authority
JP
Japan
Prior art keywords
thrust bearing
shaft
sleeve
bearing surface
magnet
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
JP4293887U
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 JP4293887U priority Critical patent/JPS63150119U/ja
Publication of JPS63150119U publication Critical patent/JPS63150119U/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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
    • F16C17/107—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one surface for radial load and at least one surface for axial load
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
    • F16C19/12—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly 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
    • F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
    • 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
    • F16C39/00—Relieving load on bearings
    • F16C39/02—Relieving load on bearings using mechanical means

Description

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

第１図は、この考案の実施例を示す縦断側面図
、第２図は軸体の側面図、第３図は軸体の底面図
、第４図は従来の動圧形スラスト軸受装置を示す
縦断側面図である。 図中、１０はスリーブ、１３はスリーブの環状
溝、１５はスラスト軸受面、２０は軸体、２４は
軸体のフランジ部、２５はスラスト受面、２６は
動圧発生用の溝、２７はスラスト軸受面とスラス
ト受面との間の軸方向すきま、３０はマグネツト
、３２は球体である。 Fig. 1 is a longitudinal side view showing an embodiment of this invention, Fig. 2 is a side view of the shaft, Fig. 3 is a bottom view of the shaft, and Fig. 4 is a conventional hydrodynamic thrust bearing device. FIG. In the figure, 10 is a sleeve, 13 is an annular groove of the sleeve, 15 is a thrust bearing surface, 20 is a shaft body, 24 is a flange portion of the shaft body, 25 is a thrust bearing surface, 26 is a groove for generating dynamic pressure, and 27 is a The axial clearance between the thrust bearing surfaces, 30 is a magnet, and 32 is a sphere.

Claims (1)

【実用新案登録請求の範囲】 (1) スリーブの内周に軸体を嵌挿し、スリーブ
に設けた平面状のスラスト軸受面が軸体のフラン
ジ部に設けたスラスト受面と対向し、スラスト受
面とスラスト軸受面との少なくとも一方に動圧発
生用の溝を設けた動圧形スラスト軸受装置におい
て、非磁性材からなる軸体は一方の端面がスリー
ブに取り付けたマグネツトと対向し、軸体の一方
の端面とマグネツトとの間に複数個の磁性材から
なる球体が配設され、軸体およびスリーブの静止
時に、軸体の一方の端面がマグネツトに吸着して
いる球体に接するとともにスラスト軸受面とスラ
スト受面との間に微少の軸方向すきまがあること
を特徴とする動圧形スラスト軸受装置。 (2) 軸体の一方の端面とマグネツトの軸体への
対向面との何れか一方の半径方向中央部に、球体
の直径よりも高さの低い円盤状凸部が設けられ、
凸部の外周側に複数個の球体が配設されている実
用新案登録請求の範囲第１項記載の動圧形スラス
ト軸受装置。[Scope of Claim for Utility Model Registration] (1) A shaft is inserted into the inner periphery of the sleeve, and the flat thrust bearing surface provided on the sleeve is opposed to the thrust bearing surface provided on the flange of the shaft. In a dynamic pressure type thrust bearing device in which a groove for generating dynamic pressure is provided on at least one of the thrust bearing surface and the thrust bearing surface, one end surface of the shaft body made of a non-magnetic material faces a magnet attached to the sleeve, and the shaft body A plurality of spheres made of magnetic material are disposed between one end face of the shaft and the magnet, and when the shaft body and sleeve are stationary, one end face of the shaft body contacts the sphere adsorbed to the magnet, and the thrust bearing A hydrodynamic thrust bearing device characterized by a slight axial clearance between the surface and the thrust bearing surface. (2) A disc-shaped convex portion having a height lower than the diameter of the sphere is provided in the radial center of one of the end faces of the shaft and the face of the magnet facing the shaft,
The hydrodynamic thrust bearing device according to claim 1, wherein a plurality of spheres are arranged on the outer peripheral side of the convex portion.
JP4293887U 1987-03-24 1987-03-24 Pending JPS63150119U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4293887U JPS63150119U (en) 1987-03-24 1987-03-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4293887U JPS63150119U (en) 1987-03-24 1987-03-24

Publications (1)

Publication Number Publication Date
JPS63150119U true JPS63150119U (en) 1988-10-03

Family

ID=30859329

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4293887U Pending JPS63150119U (en) 1987-03-24 1987-03-24

Country Status (1)

Country Link
JP (1) JPS63150119U (en)

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