JPH0210774U

JPH0210774U -

Info

Publication number: JPH0210774U
Application number: JP8710588U
Authority: JP
Priority date: 1988-06-30
Filing date: 1988-06-30
Publication date: 1990-01-23

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なるコアカバーの
斜視図、第２図は第１図のコアカバーの正面図、
第３図は第２図のＡ―Ａ′線矢視断面図、第４図
は第１図のコアカバーが適用されたモータのロー
タ正面図、第５図は従来のコアカバーの斜視図、
第６図は第５図のコアカバーが適用されたモータ
のロータ正面図、第７図は第４図及び第６図のロ
ータに使用されている薄形コアの正面図を夫々示
す。２……ロータ鉄心、３ａ〜３ｃ……嵌挿部、５
……コア、６……コイル巻回部、８……コイル、
１１……コアカバー、１１ａ〜１１ｆ……端面部
、１２ａ〜１２ｃ……突出部、１３……ロータ鉄
心の端面。 Fig. 1 is a perspective view of a core cover according to an embodiment of the present invention, Fig. 2 is a front view of the core cover of Fig. 1,
3 is a sectional view taken along the line A-A' in FIG. 2, FIG. 4 is a front view of a rotor of a motor to which the core cover of FIG. 1 is applied, and FIG. 5 is a perspective view of a conventional core cover.
6 is a front view of a motor rotor to which the core cover of FIG. 5 is applied, and FIG. 7 is a front view of a thin core used in the rotors of FIGS. 4 and 6, respectively. 2... Rotor core, 3a to 3c... Fitting part, 5
... Core, 6 ... Coil winding part, 8 ... Coil,
DESCRIPTION OF SYMBOLS 11...Core cover, 11a-11f...End face part, 12a-12c...Protrusion part, 13...End face of rotor core.

Claims

【実用新案登録請求の範囲】軸方向両端部にコアカバーが装着されたロータ
鉄心にコイルが巻回されてなる小型直流モータの
ロータにおいて、該ロータ鉄心の外周面から僅かに下がつた位置
の、該ロータ鉄心の端面に接する該コアカバーか
ら軸方向に突出部を延在形成した事を特徴とする
小型直流モータのコアカバー。[Scope of Claim for Utility Model Registration] In the rotor of a small DC motor, which has a coil wound around a rotor core with core covers attached to both axial ends, a rotor located slightly below the outer peripheral surface of the rotor core. A core cover for a small DC motor, characterized in that a protrusion is formed extending in the axial direction from the core cover in contact with an end surface of the rotor core.