JPH0383464U - - Google Patents

Description

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

第１図乃至第３図は本考案を全閉外扇形の電動
機に適用した一実施例を示すもので、第１図は上
半部を切断して示す正面図、第２図は固定子枠の
側面図、第３図は第１図−線に沿う拡大断面
図であり、第４図は従来例における第１図相当図
、第５図は同第２図相当図である。 図中、１１は固定子枠、１４は固定子、５は凹
状部、２６は放熱フイン、２６ａは嵌合部、２７
は締付けバンド（締付け部材）を示す。 Figures 1 to 3 show an embodiment in which the present invention is applied to a completely enclosed external fan-shaped electric motor. Figure 1 is a front view with the upper half cut away, and Figure 2 is a view of the stator frame. The side view and FIG. 3 are enlarged sectional views along the line of FIG. 1, FIG. 4 is a view corresponding to FIG. 1 in the conventional example, and FIG. 5 is a view corresponding to FIG. 2. In the figure, 11 is a stator frame, 14 is a stator, 5 is a concave portion, 26 is a radiation fin, 26a is a fitting portion, 27
indicates a tightening band (tightening member).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 鋼板を円筒状に曲成して形成した固定子枠内に
固定子を圧入してなる回転電機において、前記固
定子枠の外周部に軸方向に沿つて形成された複数
個の凹状部と、これらの凹状部に夫々基部の嵌合
部が嵌合された複数個の放熱フインと、前記複数
個の放熱フインの先端部に当接するように前記固
定子枠の外周部に設けられ前記複数個の放熱フイ
ンの嵌合部を前記固定子枠の凹状部に圧接する締
付け部材とを設けたことを特徴とする回転電機。 In a rotating electric machine in which a stator is press-fitted into a stator frame formed by bending a steel plate into a cylindrical shape, a plurality of concave portions are formed along the axial direction on the outer circumference of the stator frame; a plurality of heat dissipation fins each having a base fitting portion fitted into each of the concave portions; and a plurality of heat dissipation fins provided on the outer periphery of the stator frame so as to come into contact with the tips of the plurality of heat dissipation fins. and a fastening member for press-contacting the fitting portion of the heat dissipation fin to the concave portion of the stator frame.