JPH0233563U - - Google Patents

Description

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

第１図は高速回転用整流子モータの電機子用鉄
芯の平面図、第２図は第１図に示す電機子用鉄芯
の側面図、第３図Ａ，Ｂは第１図のカシメ部によ
る仮固定状態を示す部分断面図、第４図は第３図
Ａ，Ｂに示した鉄芯用円板のカシメ凹、凸部の説
明図、第５図はカシメ部を設ける範囲を示す説明
図、第６図はモータ効率と孔径の関係を示す図、
第７図は結束力と孔径の関係を示す図、第８図は
モータ効率と距離の関係を示す図、第９図は結束
力と距離の関係を示す図である。 １…鉄芯用円板、２…シヤフト挿通孔、３…ス
ロツト、５…カシメ部、６…カシメ凸部、７…カ
シメ凹部、８…端部鉄芯用円板、９…係合孔、ａ
…内周縁、ｂ…底部。 Figure 1 is a plan view of the armature core of a high-speed rotation commutator motor, Figure 2 is a side view of the armature core shown in Figure 1, and Figures 3A and B are the caulking of Figure 1. FIG. 4 is an explanatory diagram of the caulking concave and convex portions of the iron core disk shown in FIGS. 3A and B, and FIG. 5 shows the range where the caulking portion is provided. Explanatory diagram, Figure 6 is a diagram showing the relationship between motor efficiency and hole diameter,
FIG. 7 is a diagram showing the relationship between binding force and hole diameter, FIG. 8 is a diagram showing the relationship between motor efficiency and distance, and FIG. 9 is a diagram showing the relationship between binding force and distance. DESCRIPTION OF SYMBOLS 1... Disc for iron core, 2... Shaft insertion hole, 3... Slot, 5... Caulking part, 6... Caulking convex part, 7... Caulking recess, 8... Disc for end iron core, 9... Engagement hole, a
...inner periphery, b...bottom.

Claims (1)

【実用新案登録請求の範囲】 (1) 整流子モータ用電機子の２０〜５０φの鉄
芯に用いる鉄芯用円板を多数対応させて積層する
とともに前記積層された多数の鉄芯用円板を積層
方向にカシメることにより、隣接する前記鉄芯用
円板の一方のカシメ凸部を他方のカシメ凹部に嵌
着固定させた整流子モータの電機子用鉄芯におい
て、前記カシメ凸部及びカシメ凹部の形状を１．
０〜２．５φの径の円としたことを特徴とする整
流子モータの電機子用鉄芯。 (2) 前記鉄芯用円板の周縁部には半径方向に延
びかつ周縁に開放するスロツトが周方向に等ピツ
チで形成され、前記鉄芯用円板の中心にはシヤフ
ト挿通孔が形成されていると共に、前記シヤフト
挿通孔の内周縁から前記カシメ凸部及びカシメ凹
部までの距離は前記シヤフト挿通孔の内周縁から
前記スロツト底部までの距離の２５〜５０％とし
たことを特徴とする請求項１記載の整流子モータ
の電機子用鉄芯。 (3) 整流子モータの電機子用鉄芯において、前
記鉄芯用円板の積層体の一端から突出するカシメ
凸部を、前記鉄芯用円板と同形状の端部鉄芯用円
板の係合孔内に嵌着させたことを特徴とする請求
項１記載の整流子モータの電機子用鉄芯。[Claims for Utility Model Registration] (1) A large number of iron core discs used for a 20 to 50φ iron core of an armature for a commutator motor are stacked in correspondence with each other, and a large number of the laminated iron core discs are stacked. In the armature iron core of a commutator motor in which the caulking convex portions of one of the adjacent iron core discs are fitted and fixed in the caulking recesses of the other by caulking in the stacking direction, the caulking convex portions and The shape of the caulking recess is 1.
An iron core for an armature of a commutator motor, characterized by having a circle having a diameter of 0 to 2.5φ. (2) Slots extending in the radial direction and opening to the periphery are formed at equal pitches in the circumferential direction on the peripheral edge of the iron core disk, and a shaft insertion hole is formed in the center of the iron core disk. and the distance from the inner peripheral edge of the shaft insertion hole to the caulking protrusion and the caulking recess is 25 to 50% of the distance from the inner peripheral edge of the shaft insertion hole to the bottom of the slot. An iron core for an armature of a commutator motor according to item 1. (3) In the armature iron core of the commutator motor, the caulking convex portion protruding from one end of the laminated body of the iron core disk is replaced with an end iron core disk having the same shape as the iron core disk. The iron core for an armature of a commutator motor according to claim 1, wherein the iron core is fitted into an engagement hole of the commutator motor.