JPH01127365U

JPH01127365U -

Info

Publication number: JPH01127365U
Application number: JP2149388U
Authority: JP
Priority date: 1988-02-19
Filing date: 1988-02-19
Publication date: 1989-08-31

Description

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

第１図および第２図は本考案に係るモータの軸
受装置の一実施例を示す要部断面図および平面図
、第３図は第１図のオイルレスメタルを示す断面
図、第４図は第１図の軸受装置を用いたブラシレ
スモータを示す半断面図、第５図および第６図は
本考案の他の実施例を示す要部断面図および平面
図、第７図および第８図は本考案の更に他の実施
例を示す平面図および要部断面図、第９図および
第１０図は従来の軸受装置を示す断面図である。１，１５……中空部、３，１３……軸受ケーシ
ング、５，２３……ボールベアリング、７，２１
，４３，５１……オイルレスメタル、９，２５…
…ロータシヤフト、１１，３９……ピンチローラ
、１７，４１……支持部（支持孔）、１９，４５
，５３……挿通孔、２９……ロータヨーク、３１
……駆動マグネツト、３５……回路基板、３７…
…駆動コイル、４７……突条、４９……凹条。 1 and 2 are a cross-sectional view and a plan view of essential parts showing an embodiment of a motor bearing device according to the present invention, FIG. 3 is a cross-sectional view showing the oil-less metal shown in FIG. 1, and FIG. FIG. 1 is a half-sectional view showing a brushless motor using the bearing device, FIGS. 5 and 6 are main part sectional views and plan views showing other embodiments of the present invention, and FIGS. 7 and 8 are A plan view and a sectional view of a main part showing still another embodiment of the present invention, and FIGS. 9 and 10 are sectional views showing a conventional bearing device. 1, 15... Hollow part, 3, 13... Bearing casing, 5, 23... Ball bearing, 7, 21
,43,51...Oilless metal,9,25...
... Rotor shaft, 11, 39 ... Pinch roller, 17, 41 ... Support part (support hole), 19, 45
, 53...Insertion hole, 29...Rotor yoke, 31
...Drive magnet, 35...Circuit board, 37...
...Drive coil, 47... Projection, 49... Concave thread.

Claims

【実用新案登録請求の範囲】中空部とこの中空部の片端部側に支持部を有す
る軸受ケーシングと、挿通孔を有し前記支持部に固定されたオイルレ
スメタルと、このオイルレスメタルの前記挿通孔に挿通され
て軸支されたロータシヤフトと、を具備してなるモータの軸受装置において、前記オイルレスメタルの前記挿通孔の内壁が、
前記軸受ケーシングの中心軸に対して傾けて配置
されてなることを特徴とするモータの軸受装置。[Claims for Utility Model Registration] A bearing casing having a hollow part and a supporting part at one end of the hollow part, an oil-less metal having an insertion hole and fixed to the supporting part, and the above oil-less metal. A motor bearing device comprising: a rotor shaft inserted through an insertion hole and pivotally supported; an inner wall of the insertion hole of the oil-less metal;
A bearing device for a motor, characterized in that the bearing device is arranged at an angle with respect to the central axis of the bearing casing.