JPH03113974U - - Google Patents

Description

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

第１図は本考案の一実施例における磁気式エン
コーダ内蔵ブラシレスモータの縦半断面図、第２
図は磁気抵抗素子組立とロータ組立の反出力軸側
より見た部分組立図、第３図ａは磁気抵抗素子組
立の正面図、同図ｂはその側面図、第４図は従来
の磁気式エンコーダ内蔵ブラシレスモータの反出
力側から見た外観図、第５図はその縦半断面図、
第６図ａは従来の磁気抵抗素子組立の正面図、同
図ｂはその側面図である。 １，１１……磁気抵抗素子組立、２，２２……
ステータ組立、３……カバーＢ、４……カバーＡ
、５……ロータ組立、６……センサー信号処理、
７……リード線組立、８……コンタクトプリント
基板、９……絶縁板、１０……接続線、１１ａ…
…磁気抵抗素子ホルダー、１１ｃ……凸部、２２
ａ……ステータコア、２２ｂ……凹部、２２ｄ…
…ステータ極歯。 Fig. 1 is a longitudinal half-sectional view of a brushless motor with a built-in magnetic encoder according to an embodiment of the present invention;
The figure is a partial assembly diagram of the magnetoresistive element assembly and rotor assembly seen from the side opposite to the output shaft, Figure 3a is a front view of the magnetoresistive element assembly, Figure b is its side view, and Figure 4 is a conventional magnetic type. An external view of the brushless motor with a built-in encoder as seen from the non-output side. Figure 5 is a vertical half-sectional view of the brushless motor.
FIG. 6a is a front view of a conventional magnetoresistive element assembly, and FIG. 6b is a side view thereof. 1, 11... Magnetoresistive element assembly, 2, 22...
Stator assembly, 3...Cover B, 4...Cover A
, 5... Rotor assembly, 6... Sensor signal processing,
7... Lead wire assembly, 8... Contact printed circuit board, 9... Insulating plate, 10... Connection wire, 11a...
... Magnetoresistive element holder, 11c... Convex portion, 22
a... Stator core, 22b... Recess, 22d...
...Stator pole teeth.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ステータコアの柱歯と柱歯の間のヨーク部に、
積厚方向に沿つて凹溝を形成し、磁気抵抗素子ホ
ルダーに、前記ステータコアの凹溝に嵌合する凸
部と、ステータ端面に当接する段部を形成し、前
記ステータの凹溝に前記磁気抵抗素子ホルダーの
凸部を嵌合するとともにステータの端面に磁気抵
抗素子ホルダーの段部を当接させてなる磁気式エ
ンコーダ内蔵ブラシレスモータ。 In the yoke part between the post teeth of the stator core,
A concave groove is formed along the stacking thickness direction, a convex portion that fits into the concave groove of the stator core, and a stepped portion that abuts the end face of the stator are formed on the magnetoresistive element holder, and the magnetic A brushless motor with a built-in magnetic encoder, in which the protrusions of the resistance element holder are fitted together, and the stepped part of the magnetoresistive element holder is brought into contact with the end face of the stator.