JPH0260459U

JPH0260459U -

Info

Publication number: JPH0260459U
Application number: JP13972388U
Authority: JP
Priority date: 1988-10-26
Filing date: 1988-10-26
Publication date: 1990-05-02

Description

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

図面は、本考案に係る車両用発電機における軸
受の固定構造の一実施例を示したものであつて、
第１図は車両用発電機の正面断面図、第２図は軸
受ケースの斜視図である。図中、１は発電機、２はロータ軸、３はロータ
コア、７はスリツプリング、９はフアン、１１は
リヤケース、１１ａは挿通孔、１１ｂはボス部、
１４は軸受、１５は軸受ケース、１５ａは筒部、
１５ｂは外向フランジ部、１５ｃは内向フランジ
部、１６はボルトである。 The drawing shows an embodiment of a bearing fixing structure in a vehicle generator according to the present invention,
FIG. 1 is a front sectional view of a vehicle generator, and FIG. 2 is a perspective view of a bearing case. In the figure, 1 is a generator, 2 is a rotor shaft, 3 is a rotor core, 7 is a slip ring, 9 is a fan, 11 is a rear case, 11a is an insertion hole, 11b is a boss part,
14 is a bearing, 15 is a bearing case, 15a is a cylinder part,
15b is an outward flange portion, 15c is an inward flange portion, and 16 is a bolt.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

ロータ軸のロータコアとスリツプリングとの間
に設けた軸受を、軸受ケースを介してケース体側
面の挿通孔に支持して成る車両用発電機において
、前記ケース体の挿通孔縁部を、軸受外周面側に
オーバーラツプしてロータコア側に肉厚となるべ
く突出形成する一方、軸受ケースを、軸受外周と
前記挿通孔肉厚部内周との間に挾持状に内嵌する
筒状部と、該筒状部のロータコア側筒端に外向き
に形成され、挿通孔肉厚部のロータコア側側面に
一体固定されるフランジ部とを備えて形成したこ
とを特徴とする車両用発電機における軸受の固定
構造。 In a vehicle generator in which a bearing provided between a rotor core and a slip ring of a rotor shaft is supported in an insertion hole on a side surface of the case body through a bearing case, the edge of the insertion hole of the case body is connected to the outer circumference of the bearing. A cylindrical portion that overlaps the surface side and protrudes as thickly as possible toward the rotor core side, and that fits the bearing case in a pinch-like manner between the outer periphery of the bearing and the inner periphery of the thick part of the insertion hole; A fixing structure for a bearing in a vehicle generator, comprising: a flange portion which is formed outward at a cylindrical end on the rotor core side of the part and is integrally fixed to a side surface of the rotor core side of the thick part of the insertion hole.