JPS5897947U - 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図は従来の界磁装置を示す要部断面図、第２図はこ
の考案の一実施例による界磁装置の要部断面図、第３図
は第２．図の主要構成部品の外観図　−である。 図中、２はヨーク、２ａは貫通穴、４は界磁コイル、５
は外枠、７はポールチップ、８は突出部、９はポールア
ーク部、１０は減磁４束遮断溝である。尚、図中同一符
号は同−又は相当部分を示す。FIG. 1 is a cross-sectional view of a main part of a conventional field device, FIG. 2 is a cross-sectional view of a main part of a field device according to an embodiment of this invention, and FIG. This is an external view of the main components shown in the figure. In the figure, 2 is a yoke, 2a is a through hole, 4 is a field coil, and 5
1 is an outer frame, 7 is a pole tip, 8 is a protrusion, 9 is a pole arc portion, and 10 is a demagnetizing four-flux blocking groove. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 直流電動機の界磁装置を構成するヨークと、こ□　　の
ヨークに固着されるポールを有するものにおいて、上記
ポールを、外枠とこの外枠内に嵌着されかつ磁極中心に
沿って軸方同区減磁々束遮断溝を有するポールチップで
構成し、上記外枠に設けた突起部を上記ヨークに設けら
れた貫通穴に係着したことを特徴とするモータ。In a motor that has a yoke constituting a field device of a DC motor and a pole fixed to the yoke, the pole is fitted into an outer frame and the outer frame, and is axially aligned along the center of the magnetic pole. 1. A motor comprising a pole chip having a demagnetizing flux blocking groove, and a protrusion provided on the outer frame is engaged with a through hole provided in the yoke.