JPS61205271U - - Google Patents

Description

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

第１図は本考案の実施例を示す半部縦断面図、
第２図及び第３図はそれぞれ本考案の他の異なる
実施例を示す要部縦断面図、第４図及び第５図は
それぞれ本考案の更に他の異なる実施例を示す縦
断面図、第６図Ａは従来のフライホイール磁石回
転子の要部を示す断面図、第６図Ｂは同従来例の
他の部分を示す断面図、第７図は従来のフライホ
イール磁石回転子の一部を切り欠いて示した半部
正面図である。 １０……フライホイール磁石回転子、１１……
フライホイール、１１ａ……周壁、１１ｄ……打
出し突起、１１ｅ……打出し突起、１１ｆ……誘
導子磁極部、１２……永久磁石、１３……外側フ
ライホイール、１３ａ……外側周壁部、１４……
内側フライホイール、１４ａ……内側周壁部。 FIG. 1 is a half longitudinal sectional view showing an embodiment of the present invention;
2 and 3 are longitudinal cross-sectional views of main parts showing other different embodiments of the present invention, and FIGS. 4 and 5 are longitudinal cross-sectional views showing still other different embodiments of the present invention, respectively. Figure 6A is a sectional view showing the main parts of a conventional flywheel magnet rotor, Figure 6B is a sectional view showing other parts of the conventional example, and Figure 7 is a part of a conventional flywheel magnet rotor. It is a front view of a half part cut away and shown. 10... Flywheel magnet rotor, 11...
Flywheel, 11a... Peripheral wall, 11d... Embossed protrusion, 11e... Embossed protrusion, 11f... Inductor magnetic pole part, 12... Permanent magnet, 13... Outer flywheel, 13a... Outer peripheral wall part, 14...
Inner flywheel, 14a...Inner peripheral wall portion.

Claims (1)

【実用新案登録請求の範囲】 周壁と該周壁の軸線方向の一端側に設けられた
底壁と該底壁に設けられた回転軸取付け用ボス部
とを有するフライホイールと、前記フライホイー
ルの周壁の内周に固定された永久磁石とを備え、
前記フライホイールの周壁の所定部分を内側に打
出すことにより前記永久磁石を位置決めする磁石
位置決め用打出し突起が設けられ、前記フライホ
イールの周壁の外周には信号発電機用回転子側磁
極を構成する誘導子磁極部が設けられているフラ
イホイール磁石回転子において、 前記フライホイールの少なくとも周壁の前記打
出し突起が設けられる部分は内側周壁部と外側周
壁部とを備えた２重構造を有し、 前記打出し突起は前記内側周壁部に設けられて
該内側周壁部の内周に前記永久磁石が固定され、 前記外側周壁部の外周に前記誘導子磁極部が形
成されていることを特徴とするフライホイール磁
石回転子。[Claims for Utility Model Registration] A flywheel having a peripheral wall, a bottom wall provided at one end of the peripheral wall in the axial direction, and a rotary shaft attachment boss provided on the bottom wall, and a peripheral wall of the flywheel. Equipped with a permanent magnet fixed to the inner circumference of the
A magnet positioning protrusion for positioning the permanent magnet is provided by inwardly protruding a predetermined portion of the peripheral wall of the flywheel, and a rotor side magnetic pole for a signal generator is formed on the outer periphery of the peripheral wall of the flywheel. In a flywheel magnet rotor provided with an inductor magnetic pole portion, at least a portion of the peripheral wall of the flywheel where the protrusion is provided has a double structure including an inner peripheral wall portion and an outer peripheral wall portion. , the punched-out protrusion is provided on the inner peripheral wall, the permanent magnet is fixed to the inner periphery of the inner peripheral wall, and the inductor magnetic pole part is formed on the outer periphery of the outer peripheral wall. flywheel magnet rotor.