KR840001224B1 - Cooling fan assembly apparatus - Google Patents

Cooling fan assembly apparatus Download PDF

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Publication number
KR840001224B1
KR840001224B1 KR8204984A KR820004984A KR840001224B1 KR 840001224 B1 KR840001224 B1 KR 840001224B1 KR 8204984 A KR8204984 A KR 8204984A KR 820004984 A KR820004984 A KR 820004984A KR 840001224 B1 KR840001224 B1 KR 840001224B1
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KR
South Korea
Prior art keywords
cooling fan
rotating shaft
fan assembly
diameter portion
small diameter
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Application number
KR8204984A
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Korean (ko)
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KR840002592A (en
Inventor
임철훈
Original Assignee
최종완
효성중공업 주식회사
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Priority to KR8204984A priority Critical patent/KR840001224B1/en
Publication of KR840002592A publication Critical patent/KR840002592A/en
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Publication of KR840001224B1 publication Critical patent/KR840001224B1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

내용 없음.No content.

Description

소형 전동기에 있어서 회전축의 냉각홴 조립체Cooling fan assembly of rotating shaft in small motor

제1도는 종래의 냉각홴 조립체를 도시한 단면도.1 is a cross-sectional view of a conventional cooling fan assembly.

제2a,b도는 본 발명의 회전축의 냉각홴 조립체를 도시하는 도면으로서2a, b are views showing the cooling fan assembly of the rotating shaft of the present invention.

(a)도는 회전축의 구성을 도시하는 측면도.(a) is a side view which shows the structure of a rotating shaft.

(b)도는 냉각홴의 조립된 상태를 도시하는 측단면도.(b) is a sectional side view showing the assembled state of the cooling fan.

제3도는 본 발명의 완성을 도시하는 측단면도.3 is a side cross-sectional view showing the completion of the present invention.

본 발명은 소형 전동기(RPM 3,600 이하)에 있어서, 회전축의 냉각홴 조립체에 관한 것이다. 특히 회전축의 냉각홴 조립체의 개량에 관한 것이다.The present invention relates to a cooling fan assembly of a rotating shaft in a small electric motor (RPM 3,600 or less). In particular, it relates to the improvement of the cooling fan assembly of the rotating shaft.

소형전동기 분야에서 회전축에 냉각홴을 부착하는 종래의 방식으로서는 제1도에 도시한 바와 같이 회전축(a)에 냉각홴(b)를 삽입하고 그 종단부에 홴크램프(c)를 장치하여주는 것으로 행하여 왔기 때문에 홴부착작업이 복잡하고 부품이 많이 요구되며 경시변화에 의해 크램프의 부착상태가 불량해지면 필연적으로 냉각홴이 파손되는 등의 결점이 있으며, 또한 회전축상에서 냉각홴의 위치가 확고하게 고정되지 않아서 홴의 요등으로 인하여 전등기의 타부분에 접촉되는 등의 난제가 있었다.The conventional method of attaching the cooling fan to the rotating shaft in the field of small electric motors is to insert the cooling fan (b) into the rotating shaft (a) and install the shock clamp (c) at the end thereof as shown in FIG. Because of this, there are some defects such as complicated attaching work and many parts required, and if the attachment state of the clamp gets worse due to change over time, the cooling fan is inevitably damaged. Also, the position of the cooling fan is not firmly fixed on the rotating shaft. There was a problem such as coming into contact with the other parts of the lamp due to the bump of the lamp.

이를 개선하기 위한 종래의 기술 일본 실개소 49-8704호 및 실개소 55-98168호가 있는데 이들은 회전측에 키이홈을 형성하고 회전익에 키이 결합구를 형성하여 상호 결합후 볼트로 상호 결합시켜 고정하던가 볼트결합 대신 선단부에 스냅링을 끼우든가 또는 그들의 결합으로 조립체를 구성하였다.Conventional techniques Japanese Patent Application No. 49-8704 and 55-98168 have been developed to improve this problem. The assembly was constructed by snap-fitting the tip to the tip instead of the join or by joining them.

그러나 이들은 모두 일부 개선되기는 했으나 키이홈과 키이결합구를 가공함에 있어 까다로운 작업을 면할 수 없고 더우기 별도의 볼트체결 또는 스냅링을 끼워야만 되므로 여전히 조립상의 단점을 갖고 있었다.However, they all have some improvements, but they still have the drawbacks of assembly because they cannot avoid the difficult task of machining the key grooves and key couplings, and additionally, a separate bolting or snap ring must be fitted.

따라서 본 발명의 목적은 상기한 결점의 해결은 물론이고 용이한 부착, 확실한 취부가 이루어질 수 있도록 개량된 회전축 및 조립체를 제공하려는 것으로, 이를 첨부도면에 따라 상세히 설명하면 다음과 같다.Accordingly, an object of the present invention is to provide an improved rotating shaft and assembly to solve the above-described drawbacks, as well as easy attachment and secure mounting, which will be described in detail according to the accompanying drawings.

제2a도를 참조하면, 본 발명에서는 전등기의 회전축(1)을 일측단부에 대경부(2), 중경부(3)를 이루도록 단계적으로 직경을 작게하여 형성하고, 최종단을 중경부(3)보다 약간 작은 직경의 소경부(5)를 형성하여 소경부(5) 표면을 스트레이트 너얼링 가공하여 길이방향의 요철상 외주면을 이루도록 함과 동시에 단부에 키이홈(4)을 절삭해서 회전축(1)을 형성한다.Referring to FIG. 2A, in the present invention, the rotating shaft 1 of the lamp is formed by gradually reducing the diameter so as to form the large diameter portion 2 and the middle diameter portion 3 at one side end, and the final end is formed in the middle diameter portion 3. Small diameter portion 5 having a diameter slightly smaller than) is formed to straight knurled the surface of the small diameter portion 5 to form an outer circumferential surface in the longitudinal direction, and at the same time, the key groove 4 is cut at the end to rotate the rotating shaft (1). ).

상기한 바와 같이 형성된 회전축(1)에 제2b도와 같이 냉각홴(6)을 소경부(5)에 강제삽입하고, 공지된 바와 같이 키이홈(4)에 스냅링(7)을 끼워 냉각홴(6)의 부착위치를 고정시키되, 제3도의 도시와 같이 회전축(1)의 대경부(2)에는 모터 몸체상의 베어링(8)을 지지시키고, 중경부(3)상에는 모터커버 단부가 위치되어 조립되므로 회전축(1) 자체의 요동이 방지되며 이 상태에서 소경부(5)의 요철면상에 냉각홴(6)이 강제로 긴밀히 삽착시키되 중경부(3)의 종단과 공지의 스냅링(7)에 의해 그들 사이에서 고착됨으로 냉각홴(6)역시 회전축(1)의 외주방향으로 요동이 전혀 없으며 또한 상호간에 일정한 간격이 확실하게 유지되므로 안전한 조립체를 구성할 수 있음은 물론 부품의 감소와 조립공수의 간결화를 달성할 수 있는 효과가 있다.The cooling fan 6 is forcibly inserted into the small diameter portion 5 as shown in FIG. 2B on the rotating shaft 1 formed as described above, and the cooling ring 6 is fitted by inserting the snap ring 7 into the key groove 4 as is well known. ), But the bearing 8 on the motor body is supported on the large diameter portion 2 of the rotating shaft 1 as shown in FIG. 3, and the motor cover end is positioned and assembled on the middle diameter portion 3. The rotation of the rotating shaft 1 itself is prevented, and in this state, the cooling fan 6 is forcibly inserted into the uneven surface of the small diameter portion 5 by the end of the middle diameter portion 3 and by the known snap ring 7. Since the cooling fan (6) is also free from any swing in the circumferential direction of the rotating shaft (1) and maintains a constant distance from each other, it is possible to construct a safe assembly, as well as to reduce parts and simplify assembly work. There is an effect that can be achieved.

Claims (1)

회전축 선단부에 스냅링에 끼워 체결하여 된 냉각홴 조립체에 있어서, 회전축(1)의 일측단부에 단계적으로 모터베어링 지지용 대경부(2) 모터커버 위치용 중경부(3), 냉각홴 축삽용 소경부(5)를 일정한 간격으로 구성하되 소경부(5)의 표면에는 길이방향의 요철면을 다수개 구성하여 냉각홴(6)을 강제삽입 고정한 후 소경부(5)의 선단에 공지의 스냅링(7)을 끼워서 되는 소형 전동기에 있어서 회전축의 냉각홴 조립체.In the cooling fan assembly, which is fastened to the end of the rotating shaft by a snap ring, the large diameter part for supporting the motor bearing (2), the middle diameter part (3) for the motor cover position, and the small diameter part for the cooling fan shaft insertion step by step at one end of the rotating shaft (1). (5) at regular intervals, but the surface of the small diameter portion (5) formed a plurality of longitudinal concave-convex surface in the longitudinal direction to secure the cooling fan (6) by inserting and fixing a known snap ring at the end of the small diameter portion (5) Cooling fan assembly of the rotating shaft in a small electric motor that is inserted).
KR8204984A 1982-11-04 1982-11-04 Cooling fan assembly apparatus KR840001224B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR8204984A KR840001224B1 (en) 1982-11-04 1982-11-04 Cooling fan assembly apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR8204984A KR840001224B1 (en) 1982-11-04 1982-11-04 Cooling fan assembly apparatus

Publications (2)

Publication Number Publication Date
KR840002592A KR840002592A (en) 1984-07-02
KR840001224B1 true KR840001224B1 (en) 1984-08-21

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KR8204984A KR840001224B1 (en) 1982-11-04 1982-11-04 Cooling fan assembly apparatus

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