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Electric motor

專利號(hào)
US11996751B2
公開日期
2024-05-28
申請(qǐng)人
MAHLE ELECTRIC DRIVES JAPAN CORPORATION(JP Numazu)
發(fā)明人
Masafumi Tamai; Ryosuke Suzuki; Yoshio Matsukawa
IPC分類
H02K5/22; H01R13/62; H02K3/52; H02K21/16
技術(shù)領(lǐng)域
wire,leading,crush,hole,wires,cover,in,out,motor,ribs
地域: Shizuoka-ken

摘要

Provided is an electric motor in which it is possible to accurately leading-out terminal sections of a magnet wire that constitutes a stator coil in a prescribed leading-out direction as lead wires. A wire cover formed from a hard insulating resin is press-fitted into a wire leading-out hole provided in an end member that closes one end of a motor housing, and lead wires are led out to an exterior through through-holes provided in the wire cover. Crush ribs are provided to side surfaces of a head part of the wire cover, and, due to crushing of the crush ribs and press-fitting of the wire cover into the wire leading-out hole, the wire cover is prevented from inclining within the wire leading-out hole and a leading-out direction of the lead wires is prevented from deviating from the prescribed leading-out direction.

說明書

It is considered that the wire cover is configured so as to be in a press-fitted state within the wire leading-out hole in order to prevent the wire cover from inclining within the wire leading-out hole. However, when the wire cover formed from a hard insulating resin is to be press-fitted into the wire leading-out hole, excessive force is applied to the entirety of the wire cover, and it is impossible to avoid damaging the wire cover. Therefore, in cases where a wire cover formed from a hard insulating resin is used, it is necessary to impart clearance in close fitting of the wire cover and the wire leading-out hole. However, when clearance is imparted in the close fitting of the wire cover and the wire leading-out hole, a space is formed between the wire leading-out hole and the wire cover, and it is impossible to prevent the wire cover from inclining within the wire leading-out hole. Therefore, it is difficult to impart high precision in the leading-out direction of the lead wires.

An object of the present invention is to provide an electric motor in which terminal portions of a magnet wire that constitutes a stator coil are used as lead wires, and the lead wires are caused to pass through an end member that closes one axial end of a motor housing and are led out linearly to an exterior, it being possible to impart high precision in a leading-out direction of the lead wires, and to reduce deviation in distal-end positions of the led out lead wires.

Means to Solve the Problems

權(quán)利要求

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