KR950010290A

KR950010290A - Cooling device of electric motor

Info

Publication number: KR950010290A
Application number: KR1019930018563A
Authority: KR
Inventors: 조한익
Original assignee: 이헌조; 주식회사 금성사
Priority date: 1993-09-15
Filing date: 1993-09-15
Publication date: 1995-04-26

Abstract

본 발명은 전동기의 냉각장치에 관한 것이다. 종래에는 회전자(14)의 양측에 블레이드(15)(16)를 성형하기 위한 고가의 다이캐스팅 머신이 필요로 할 뿐만 아니라, 엔드 브래키트(7)(8)의 내측연부에 고정되는 통풍가이드(17)(18)와, 블레이드(15)(16)등에 의하여 부품수가 추가되는 등, 제조원가가 상승되고, 생산성이 저하되며, 전체적으로 부피가 커지는 문제점이 있었다. 본 발명은 회전축(41)의 일측에 회전축(41) 에 압입고정되는 고정보스부(43a)와, 상기 고정보스부(43a)에 일체로 형성되는 원판부 (43b)와, 상기 원판부(43b)에 원주 방향으로 형성된 수개의 통풍공(43c)과, 상기 통풍공(43c)의 사이에 수직으로 세워져 형성되어 공기를 방사시키는 날개부(43d)로 구성된 다기능 팬(43)을 고정하여, 구성을 간소화시키면서 냉각기능을 충분하게 수행하도록 한 것으로, 부품수를 대폭 감소시켜 제조원가를 절감시키며, 또한 별도의 밸런싱 작업을 배제함과 아울러 조립 공정을 보다 용이하게 함으로써 생산성 향상에 기여하고, 전동기의 전체적인 부피를 감소시킨다.The present invention relates to a cooling device for an electric motor. Conventionally, not only an expensive die casting machine for forming the blades 15 and 16 on both sides of the rotor 14, but also a ventilation guide fixed to the inner edge of the end brackets 7 and 8 ( 17) (18), the number of parts is added by the blades (15), 16, etc., there is a problem that the manufacturing cost is increased, productivity is lowered, and the overall volume is large. According to the present invention, a high intelligence portion 43a which is press-fitted and fixed to the rotation shaft 41 on one side of the rotation shaft 41, a disc portion 43b formed integrally with the high intelligence portion 43a, and the disc portion 43b. Simplified configuration by fixing a multi-functional fan (43) consisting of several ventilation holes (43c) formed in the circumferential direction and wings (43d) vertically formed between the ventilation holes (43c) to emit air The cooling function is sufficiently performed while reducing the number of parts, thereby reducing the manufacturing cost, eliminating the separate balancing work, and making the assembly process easier, contributing to the improvement of productivity and reducing the overall volume of the motor. Decrease.

Description

Cooling device of electric motor

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제3도는 본 발명의 냉각장치가 구비된 전동기의 실시형태를 보인 부분 단면도,3 is a partial cross-sectional view showing an embodiment of an electric motor with a cooling device of the present invention;

제4도의 (가)및 (나)는 본 발명에 의한 전동기의 냉각장치를 보인 것으로, (가)는 정면도, (나)는 (가)의 A-A선 단면도.(A) and (b) of FIG. 4 show the cooling apparatus of the electric motor according to the present invention, (a) is a front view, and (b) is a cross-sectional view taken along the line A-A.

Claims

Cooling device of the electric motor, characterized in that configured to fix the multi-function fan 43 at the same time performing the role of the ventilation guide and the cooling fan on one side of the rotary shaft (41).

The multifunctional fan 43 is a fixed boss portion 43a which is press-fitted to the rotating shaft 41, a disc portion 43b integrally formed with the high information portion 43a, and the disc. A cooling device for an electric motor, comprising a plurality of ventilation holes (43c) formed in the circumferential direction in the portion (43b) and the wing portion (43d) is formed vertically between the ventilation holes (43c) to radiate air.

※ Note: The disclosure is based on the initial application.