JPH0348351U - - Google Patents

Description

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

図面は本考案の実施例が示され、第１図、第２
図は第１実施例で、第１図は軸受装置の縦断面側
面図、第２図は軸受装置の分解縦断面側面図、第
３図は本案の軸受装置が組み込まれた小型電動機
の縦断面側面図、第４図は第２実施例の軸受装置
の分解縦断面側面図、第５図は第３実施例の軸受
装置の分解縦断面側面図、第６図は従来の軸受装
置の縦断面側面図、第７図は出力軸側に高い側圧
を受けた軸受装置の縦断面側面図である。 １，２……軸受、１ａ，２ａ……軸孔、１ｂ，
２ｂ……外周面、１ｃ，１ｅ，２ｃ，２ｅ，３ｂ
，３ｃ……略錐状の傾斜面、３……軸受ホルダー
、３ａ……内周孔。 The drawings show an embodiment of the present invention, and FIGS.
The figures show the first embodiment. Figure 1 is a vertical cross-sectional side view of the bearing device, Figure 2 is an exploded vertical cross-sectional side view of the bearing device, and Figure 3 is a vertical cross-section of a small electric motor incorporating the bearing device of the present invention. 4 is an exploded vertical cross-sectional side view of the bearing device of the second embodiment, FIG. 5 is an exploded vertical cross-sectional side view of the bearing device of the third embodiment, and FIG. 6 is a vertical cross-sectional view of the conventional bearing device. The side view, FIG. 7, is a longitudinal cross-sectional side view of the bearing device which is subjected to high lateral pressure on the output shaft side. 1, 2...Bearing, 1a, 2a...Shaft hole, 1b,
2b...Outer peripheral surface, 1c, 1e, 2c, 2e, 3b
, 3c... substantially conical inclined surface, 3... bearing holder, 3a... inner peripheral hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 軸受と、軸受ホルダーとでなる軸受装置であつ
て、前記軸受は、一方端を出力側となす略円筒状
の軸孔と、外周面とを有し、前記軸受ホルダーは
、内周孔を有し、前記軸受は、前記外周面を前記
軸受ホルダーの内周孔に圧入され、前記軸受の外
周面の前記出力端近傍、もしくは、前記軸受の外
周面の前記出力端近傍と接合する前記軸受ホルダ
ーの内周孔の接合面、もしくは、前記軸受の外周
面の前記出力端近傍と、前記軸受の外周面の前記
出力端近傍と接合する前記軸受ホルダーの内周孔
の接合面との双方に、略錐状の傾斜面を形成し、
前記軸受の出力端近傍が、前記軸受ホルダーの内
周孔から受ける圧力を軽減したことを特徴として
なる軸受装置。 A bearing device comprising a bearing and a bearing holder, wherein the bearing has a substantially cylindrical shaft hole with one end serving as an output side and an outer circumferential surface, and the bearing holder has an inner circumferential hole. The bearing is configured such that the outer circumferential surface of the bearing is press-fitted into the inner circumferential hole of the bearing holder, and the bearing holder is connected to the outer circumferential surface of the bearing near the output end or to the outer circumferential surface of the bearing near the output end. on the joint surface of the inner peripheral hole of the bearing holder, or on both the joint surface of the inner peripheral hole of the bearing holder, which is connected to the outer peripheral surface of the bearing near the output end and the outer peripheral surface of the bearing near the output end, Forms a substantially conical inclined surface,
A bearing device characterized in that the vicinity of the output end of the bearing receives less pressure from an inner circumferential hole of the bearing holder.