JPS6042058U - Motor brush holder base fixing device - 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図はモーターのブラシホルダーベース固定装置の従
来例を示す部分断面側面図ミ第２図は第１図のＩ−Ｉ線
拡大断面図、第３図は第１図の■＝ｎ線拡線断大断面図
４図は本考案に係るモーターのブラシホルダーベース固
定装置の一実施例を示す部分断面側面図、第５図は第４
図の■−■線拡線断大断面図６図は第４図の矢印Ａ方向
から見た拡大矢視図、第７図は第６図のＩＶ−ＩＶ線部
分断面図、第８図は第７図の矢印Ｂ方向から見た矢視図
、第９図は第７図の■−■線断面図、第１０図は係止片
の他の実施例を示す第９図と同様な断面図である。 １１・・・ブラシホルダーベース、１４・・・係止片、
１５・・・係合爪、１５ｂ・・・ガタ補償用の勾配、１
６・・・モーターケース、１７・・・軸受ブラケット、
１９・・・透孔。Fig. 1 is a partially sectional side view showing a conventional example of a motor brush holder base fixing device; Fig. 2 is an enlarged sectional view taken along the line I-I in Fig. 1; and Fig. 3 is an enlarged view taken along the ■=n line in Fig. 4 is a partially sectional side view showing an embodiment of the brush holder base fixing device for a motor according to the present invention, and FIG.
Figure 6 is an enlarged cross-sectional view taken from the direction of arrow A in Figure 4, Figure 7 is a partial cross-sectional view taken along line IV--IV in Figure 6, and Figure 8 is a cross-sectional view taken along line IV--IV in Figure 6. Fig. 7 is a sectional view taken from the direction of arrow B in Fig. 7, Fig. 9 is a sectional view taken along the line ■-■ in Fig. 7, and Fig. 10 is a sectional view similar to Fig. 9 showing another embodiment of the locking piece. It is a diagram. 11... Brush holder base, 14... Locking piece,
15... Engaging claw, 15b... Backlash compensation slope, 1
6...Motor case, 17...Bearing bracket,
19...Through hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ブラシホルダーベースに植設した弾性を有する複数の係
止片に夫々一体に形成した係合爪を、モーターケースの
軸受ブラケットの対応位置に穿設した各透孔に夫々係合
して、該ブラシホルダーベースを該軸受ブラケットに固
定したモータにおいて、前記複数の係止片は互いに相対
する一対の係止片の組として複数組前記ブラシホルダー
ベースに植設すると共に、この各一対の係止片の夫々先
端から互いに外方へ向って突出する如く形成した係合爪
に前記透孔の外周縁と係合するガタ補償用の勾配を形成
したことを特徴とするモータのブラシホルダーベース固
定装置。Engaging claws formed integrally with a plurality of elastic locking pieces implanted in the brush holder base are respectively engaged with respective through holes drilled at corresponding positions in the bearing bracket of the motor case, and the brush is removed. In the motor in which the holder base is fixed to the bearing bracket, the plurality of locking pieces are implanted in the brush holder base as a pair of locking pieces facing each other, and each pair of locking pieces is fixed to the brush holder base. A brush holder base fixing device for a motor, characterized in that engaging claws are formed so as to protrude outward from their tips, respectively, and are formed with a play compensation slope that engages with the outer peripheral edge of the through hole.