JPS5822873U - Electric motor - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来例の断面図、第２図は本考案の一実施例の
断面図、第３図は同上における継鉄の磁極歯板の一部分
の側面図、第４図は同上における固定子の磁極歯板と回
転子の永久磁石との対向関係を示す分解斜視図、第５図
は同上で使用する固定子の製造におけるモールド前の状
態を示す一部切欠斜視図、第６図は同上における出力軸
のストッパの斜視図である。 １０ａ、　　１０ｂ−・・固定子、１１ａ、　　１　ｌ
ｂ−・・励磁コイル、１２ａ、　１２ｂ−・・合成樹脂
、１３ａ。 １３ｂ・・・継鉄、１８・・・磁極歯、２０・・・磁極
歯、２１・・・回転子、２２・・・永久磁石、２３・・
・軸部、２４ａ、２４ｂ・・・回転軸受。 補正　昭５６．１２．１８ 図面を次のように補正する。 第１図 第２図　　　　　　　巾 ｌ、ＩＡＩ デ［４図　　　２０旧 第５図　　　　　　；２Fig. 1 is a sectional view of a conventional example, Fig. 2 is a sectional view of an embodiment of the present invention, Fig. 3 is a side view of a part of the magnetic pole tooth plate of the yoke in the above, and Fig. 4 is a stator in the same as above. Fig. 5 is a partially cutaway perspective view showing the state before molding in the manufacture of the stator used in the above, and Fig. 6 is the same as the above. It is a perspective view of the stopper of the output shaft in FIG. 10a, 10b--Stator, 11a, 1 l
b--Exciting coil, 12a, 12b--Synthetic resin, 13a. 13b...Yoke, 18...Magnetic pole teeth, 20...Magnetic pole teeth, 21...Rotor, 22...Permanent magnet, 23...
- Shaft portion, 24a, 24b... Rotating bearing. Amendment December 18, 1982 The drawings are amended as follows. Fig. 1 Fig. 2 Width l, IAI de [Fig. 4 20 Old Fig. 5; 2

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 環状励磁コイルと、この励磁コイルを包囲する継鉄と、
継鉄の一側面の円形平面部に形成された外周縁部から内
方へ伸びる磁極歯及び内周縁部か・ら外方へ伸びる磁極
歯との２種類の磁極歯であって円周方向に沿って交互に
等角度に配置されている磁極歯の列とで構成される固定
子、及び上記磁極歯の列の隣合う歯間の角度に等しい角
度で円周方向に等角度でかつＮ極、Ｓ極が交互に着磁さ
れたドーナツ板状永久磁石と、この永久磁石の内周部に
形成された軸部とで構成される回転子から成り、２個の
固定子が各々の継鉄の磁極歯の列の形成されている面が
対向するように配置されると共にその対向する面の間に
回転子の永久磁石が位置させられ、この各固定子の内周
面と回転子の軸部との間に回転軸受が介在する電動機に
あって、上記固定子の励磁コイル及び継鉄が継鉄内に注
入された絶縁性合成樹脂により一体化されていると共に
この合成樹脂で上記回軸受が一体に形成されていること
を特徴とする電動機。a ring-shaped excitation coil; a yoke surrounding the excitation coil;
There are two types of magnetic pole teeth: magnetic pole teeth that extend inward from the outer peripheral edge formed on the circular plane part of one side of the yoke, and magnetic pole teeth that extend outward from the inner peripheral edge in the circumferential direction. and a stator consisting of rows of magnetic pole teeth arranged equiangularly alternately along the circumferential direction at angles equal to the angles between adjacent teeth of said rows of magnetic pole teeth, and a north pole arranged equiangularly in the circumferential direction. , consists of a rotor consisting of donut plate-shaped permanent magnets with alternately magnetized south poles and a shaft formed on the inner circumference of this permanent magnet, and two stators are attached to each yoke. The surfaces on which the rows of magnetic pole teeth are formed are arranged to face each other, and the permanent magnets of the rotor are positioned between the opposing surfaces, and the inner circumferential surface of each stator and the axis of the rotor In an electric motor in which a rotation bearing is interposed between the stator and the yoke, the excitation coil of the stator and the yoke are integrated with an insulating synthetic resin injected into the yoke, and the synthetic resin is used to connect the rotation bearing to the yoke. An electric motor characterized by being integrally formed.