【図面の簡単な説明】[Brief explanation of drawings]
第１図は本考案の一実施例を表す軸受装置及び
ロータ部の要部断面図、第２図は本考案による軸
受装置の上面図、第３図は同上第２図―線断
面図、第４図は本考案の別の実施例を示す軸受装
置の上面図、第５図は同上第４図―線断面図
、第６図は本考案のさらに別の実施例を表す軸受
装置の断面図、第７図は本考案による軸受装置の
孔形状を示す軸受装置孔部分の断面図、第８図は
焼結含油軸受の潤滑原理の説明図、第９図は回転
軸回転時における回転部材の回転状態を示す軸受
装置及びロータ部の要部断面図、第１０図は本考
案による軸受装置の回転部材回転時における潤滑
原理の説明図、第１１図は本考案に係る回転部材
の配設位置及び直径と、回転軸回転数との関係を
説明するための軸受装置の上面図、第１２図は本
考案の別の実施例を示す軸受装置及びロータ部の
要部断面図、第１３図はスラスト荷重を受けるモ
ータの一例を示すモータの概略構成断面図、第１
４図及び第１５図は従来の軸受の一例を示す軸受
の要部断面図である。１，３，５……焼結含油軸
受、１ａ，３ａ……軸方向端面、６……有底の孔
、２，４……回転部材、１０……回転軸、１１…
…ボス、１３……回転体。
Fig. 1 is a cross-sectional view of essential parts of a bearing device and rotor section representing an embodiment of the present invention, Fig. 2 is a top view of the bearing device according to the present invention, and Fig. 3 is a cross-sectional view taken along the line shown in Fig. 2 of the same. Fig. 4 is a top view of a bearing device showing another embodiment of the present invention, Fig. 5 is a sectional view taken along the line shown in Fig. 4 of the same, and Fig. 6 is a sectional view of a bearing device showing yet another embodiment of the present invention. , Fig. 7 is a sectional view of the hole in the bearing device showing the hole shape of the bearing device according to the present invention, Fig. 8 is an explanatory diagram of the lubrication principle of the sintered oil-impregnated bearing, and Fig. 9 is a diagram showing the lubrication principle of the sintered oil-impregnated bearing. 10 is an explanatory diagram of the lubrication principle when rotating members of the bearing device according to the present invention are rotated; FIG. 11 is a sectional view of the main parts of the bearing device and the rotor portion showing the rotating state; FIG. 11 is a diagram showing the arrangement position of the rotating members according to the present invention. FIG. 12 is a top view of the bearing device for explaining the relationship between diameter and rotational speed of the rotating shaft; FIG. Schematic sectional view of a motor showing an example of a motor receiving a thrust load, Part 1
4 and 15 are sectional views of essential parts of a bearing, showing an example of a conventional bearing. 1, 3, 5... Sintered oil-impregnated bearing, 1a, 3a... Axial end face, 6... Bottomed hole, 2, 4... Rotating member, 10... Rotating shaft, 11...
...Boss, 13...Rotating body.