KR20100107871A - Sealing structure of stepping motor - Google Patents

Sealing structure of stepping motor Download PDF

Info

Publication number
KR20100107871A
KR20100107871A KR1020090026200A KR20090026200A KR20100107871A KR 20100107871 A KR20100107871 A KR 20100107871A KR 1020090026200 A KR1020090026200 A KR 1020090026200A KR 20090026200 A KR20090026200 A KR 20090026200A KR 20100107871 A KR20100107871 A KR 20100107871A
Authority
KR
South Korea
Prior art keywords
cover
injection molding
extension
elastic ring
annular groove
Prior art date
Application number
KR1020090026200A
Other languages
Korean (ko)
Other versions
KR101025686B1 (en
Inventor
임대빈
윤상홍
Original Assignee
주식회사 모아텍
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 모아텍 filed Critical 주식회사 모아텍
Priority to KR1020090026200A priority Critical patent/KR101025686B1/en
Priority to JP2010039764A priority patent/JP2010233445A/en
Priority to CN201010122120A priority patent/CN101847923A/en
Publication of KR20100107871A publication Critical patent/KR20100107871A/en
Application granted granted Critical
Publication of KR101025686B1 publication Critical patent/KR101025686B1/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • F01D25/162—Bearing supports
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/187—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to inner stators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

PURPOSE: A sealing structure of a stepping motor is provided to prevent the entry of moisture by interposing an elastic ring between an extension part of a mold and a cover. CONSTITUTION: A case(26) surrounds the outer surface of a motor. An upper bearing(12) supports the upper side of a shaft(10). A lower bearing supports the lower side of the shaft. A cover(40) supports the lower bearing. The cover is contacted with the extension part of a mold. A circular groove(60) is formed on the upper surface of the cover. An elastic ring is inserted into the circular groove to be interposed between the extension part of the mold and the cover.

Description

스텝모터의 시일링 구조{SEALING STRUCTURE OF STEPPING MOTOR}SEALING STRUCTURE OF STEPPING MOTOR}

본 발명은 스텝모터의 시일링 구조에 관한 것으로서, 보다 상세히는 스텝모터의 카바 또는 스테이트 고정용 사출물에 환형홈을 형성하고 이 환형홈에 탄성링을 삽입시킨 스텝모터의 시일링 구조에 관한 것이다.The present invention relates to a sealing structure of a step motor, and more particularly, to a sealing structure of a step motor in which an annular groove is formed in a cover or an injection-molding injection molding of the step motor and an elastic ring is inserted into the annular groove.

종래의 스텝모터의 베어링 지지장치를 도 1을 참조하여 설명하면, 샤프트(10)를 지지하는 상부 베어링(12)은 사출물(14)의 단부에 의해서 지지되고, 사출물(14)의 상부에는 상부플랜지(20)가 고정되어 모터를 소정의 피부착물(도시 않음)에 부착되게 한다. 모터의 외주 둘레에는 케이스(26)가 구비되고, 케이스(26)의 상부는 절곡되고 이 절곡부는 상부 플랜지(20) 하부로 위치한다. 사출물(14)은 케이스(26) 방향으로 트인 공간에 코일(30)이 감기고, 그 반대측에는 요크(32)가 장착되고, 요크(32)와 대향하는 위치에 마그네트(46)가 위치하고, 마그네트(46)는 마그네트 지지부(48)에 의해서 지지된다. 샤프트(10)의 하부는 하부 베어링(42)에 의해서 지지되고, 하부베어링(42)은 철판으로 이루어지는 카바(40)에 의해서 지지 된다. 상기 카바(40)는 사출물(14)의 연장부(43)와 당접된다.Referring to FIG. 1, a bearing support device of a conventional step motor is supported by an upper bearing 12 supporting the shaft 10 by an end of the injection molding 14, and an upper flange on the injection molding 14. 20 is fixed to attach the motor to a predetermined skin deposit (not shown). A case 26 is provided around the outer circumference of the motor, and an upper portion of the case 26 is bent and the bent portion is positioned below the upper flange 20. The injection molding product 14 has a coil 30 wound around a space open in the direction of the case 26, the yoke 32 is mounted on the opposite side thereof, and the magnet 46 is positioned at a position facing the yoke 32. 46 is supported by a magnet support 48. The lower part of the shaft 10 is supported by the lower bearing 42, and the lower bearing 42 is supported by the cover 40 made of an iron plate. The cover 40 abuts the extension 43 of the injection molding 14.

상기와 같은 종래의 구조는 카바(40)와 사출물(14)의 연장부(43)가 고정되는 구조인데, 고습 환경에서 사용시 카바(40)와 사출물(14)의 연장부(43) 사이에 수분이 침투하여 요크(32)의 극치부에 녹이 발생하여 모터 성능을 저하시키는 문제점이 있었다.The conventional structure as described above is a structure in which the cover 43 and the extension portion 43 of the injection molding 14 are fixed, and when used in a high humidity environment, the moisture between the cover 40 and the extension portion 43 of the injection molding 14 is fixed. This penetration caused rust on the extremes of the yoke 32, resulting in a problem of degrading motor performance.

본 발명은 상술한 종래의 문제점을 극복하기 위한 것으로, 본 발명의 목적은 카바와 사출물의 연장부 사이에 고습 환경에서 수분 침투를 방지하는 스텝모터의 시일링 구조를 제공하는데 있다.The present invention is to overcome the above-mentioned conventional problems, an object of the present invention to provide a sealing structure of the step motor to prevent moisture infiltration in a high humidity environment between the cover and the extension of the injection molding.

본 발명에 따른 스텝모터의 시일링 구조의 일예로서,As an example of the sealing structure of the step motor according to the present invention,

모터의 외주 둘레에는 케이스가 구비되고, 샤프트의 하부는 하부 베어링에 의해서 지지되고, 하부베어링은 카바에 의해서 지지되고, 상기 카바는 사출물의 연장부와 당접되는 스텝모터에 있어서,In the stepper motor is provided around the outer periphery of the motor, the lower part of the shaft is supported by the lower bearing, the lower bearing is supported by the cover, the cover is in contact with the extension of the injection molding,

상기 카바의 상부면에는 환형홈이 형성되고, 상기 환형홈에는 탄성링이 삽입되어, 탄성링이 카바와 사출물의 연장부 사이에 개재된다.An upper surface of the cover is formed with an annular groove, the annular groove is inserted into the elastic ring, the elastic ring is interposed between the cover and the extension of the injection molding.

본 발명에 따른 스텝모터의 시일링 구조의 다른 일예로서,As another example of the sealing structure of the step motor according to the present invention,

모터의 외주 둘레에는 케이스가 구비되고, 샤프트의 하부는 하부 베어링에 의해서 지지되고, 하부베어링은 카바에 의해서 지지되고, 상기 카바는 사출물의 연장부와 당접되는 스텝모터에 있어서,In the stepper motor is provided around the outer periphery of the motor, the lower part of the shaft is supported by the lower bearing, the lower bearing is supported by the cover, the cover is in contact with the extension of the injection molding,

상기 사출물의 연장부의 하부에 환형홈이 형성되고, 상기 환형홈에 탄성링이 삽입되어, 탄성링이 카바와 사출물의 연장부 사이에 개재된다.An annular groove is formed in the lower part of the extension of the injection molding, and an elastic ring is inserted into the annular groove, so that the elastic ring is interposed between the cover and the extension of the injection molding.

본 발명에 따른 스텝모터의 시일링 구조는 카바(40)의 상부면에 또는 사출물(14)의 연장부(43)의 하부에 환형홈(60,80)이 형성되고, 상기 환형홈(60, 80)에는 탄성링(64)이 삽입되어, 탄성링(64)이 카바(40)와 사출물(14)의 연장부(43) 사이에 개재되어 카바(40)와 사출물(14)의 연장부(43) 사이의 수분 침투를 방지하게 되는 효과가 있다.The sealing structure of the step motor according to the present invention has an annular groove (60, 80) is formed on the upper surface of the cover 40 or the lower portion of the extension portion 43 of the injection molding (14), the annular groove (60, The elastic ring 64 is inserted into the 80, and the elastic ring 64 is interposed between the cover 40 and the extension part 43 of the injection molding 14 to extend the cover 40 and the extension of the injection molding 14 ( 43) has the effect of preventing the penetration of moisture between.

여기에서 설명한 것은 본 발명에 따른 스텝모터의 시일링 구조를 실시하기 위한 하나의 실시예에 불과한 것으로서, 본 발명은 본 실시예에 한정되지 않고, 이하의 특허청구의 범위에서 청구하는 바와 같이 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변경 실시가 가능한 범위까지 본 발명의 기술적 정신이 있다고 할 것이다.What has been described herein is only one embodiment for implementing the sealing structure of the step motor according to the present invention, and the present invention is not limited to this embodiment, and as claimed in the following claims, the present invention Without departing from the gist of the present invention, those skilled in the art to which the present invention pertains to the technical spirit of the present invention to the extent that various modifications can be made.

이하, 본 발명의 실시예를 첨부 도면을 참조하여 설명하기로 한다. Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

도 2 내지 도 4를 참조하면, 샤프트(10)를 지지하는 상부 베어링(12)은 사출물(14)의 단부에 의해서 지지되고, 사출물(14)의 상부에는 상부플랜지(20)가 고정되어 모터를 소정의 피부착물(도시 않음)에 부착되게 한다. 모터의 외주 둘레에는 케이스(26)가 구비되고, 케이스(26)의 상부는 절곡되고 이 절곡부는 상부 플랜지(20) 하부로 위치한다. 사출물(14)은 케이스(26) 방향으로 트인 공간에 코 일(30)이 감기고, 그 반대측에는 요크(32)가 장착되고, 요크(32)와 대향하는 위치에 마그네트(46)가 위치하고, 마그네트(46)는 마그네트 지지부(48)에 의해서 지지된다. 샤프트(10)의 하부는 하부 베어링(42)에 의해서 지지되고, 하부베어링(42)은 철판으로 이루어지는 카바(40)에 의해서 지지된다. 상기 카바(40)는 사출물(14)의 연장부(43)와 당접된다. 2 to 4, the upper bearing 12 supporting the shaft 10 is supported by the end of the injection molding 14, and the upper flange 20 is fixed to the upper part of the injection molding 14 to support the motor. To adhere to certain skin deposits (not shown). A case 26 is provided around the outer circumference of the motor, and an upper portion of the case 26 is bent and the bent portion is positioned below the upper flange 20. The injection molded product 14 has a coil 30 wound around a space open in the direction of the case 26, the yoke 32 is mounted on the opposite side thereof, and the magnet 46 is positioned at a position opposite to the yoke 32, and the magnet 46 is supported by the magnet support 48. The lower part of the shaft 10 is supported by the lower bearing 42, and the lower bearing 42 is supported by the cover 40 made of an iron plate. The cover 40 abuts the extension 43 of the injection molding 14.

상기 카바(40)의 상부면에는 환형홈(60)이 형성된다. 상기 환형홈(60)에는 탄성링(64)이 삽입된다.The upper surface of the cover 40 is formed with an annular groove (60). An elastic ring 64 is inserted into the annular groove 60.

상기와 같은 구조에 의해서, 탄성링(64)이 카바(40)와 사출물(14)의 연장부(43) 사이에 개재되어 카바(40)와 사출물(14)의 연장부(43) 사이의 수분 침투를 방지하게 된다.By such a structure, the elastic ring 64 is interposed between the cover 40 and the extension part 43 of the injection molding 14 to provide moisture between the cover 40 and the extension part 43 of the injection molding 14. To prevent penetration.

도 5를 참조하면, 사출물(14)의 연장부(43)의 하부에 환형홈(80)이 형성되고, 상기 환형홈(80)에 탄성링(64)이 삽입될 수 있다. 결과적으로, 카바(40)와 사출물(14)의 연장부(43) 사이의 수분 침투를 방지하게 된다.Referring to FIG. 5, an annular groove 80 may be formed below the extension part 43 of the injection molding 14, and an elastic ring 64 may be inserted into the annular groove 80. As a result, moisture penetration between the cover 40 and the extension 43 of the injection molding 14 is prevented.

도 1은 종래의 스텝모터의 단면도1 is a cross-sectional view of a conventional step motor

도 2는 본 발명의 일실시예에 따른 스텝모터의 단면도2 is a cross-sectional view of a step motor according to an embodiment of the present invention.

도 3은 본 발명에 따른 카바의 단면도3 is a cross-sectional view of the cover according to the present invention

도 4는 본 발명에 따른 카바의 단면도4 is a cross-sectional view of the cover according to the present invention

도 5는 본 발명의 다른 실시예에 따른 스텝모터의 단면도5 is a cross-sectional view of a step motor according to another embodiment of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for main parts of the drawings>

10 : 샤프트 12 : 상부 베어링 10 shaft 12 upper bearing

14 : 사출물 20 : 상부플랜지 14: injection molding 20: upper flange

26 : 케이스 30 : 코일26 case 30 coil

32 : 요크 40 : 카바 32: York 40: Kaaba

42 : 하부 베어링 43 : 연장부 42: lower bearing 43: extension

46 : 마그네트 48 : 마그네트 지지부46: magnet 48: magnet support

60, 80 : 환형홈 64 : 탄성링60, 80: annular groove 64: elastic ring

Claims (2)

모터의 외주 둘레에는 케이스가 구비되고, 샤프트의 하부는 하부 베어링에 의해서 지지되고, 하부베어링은 카바에 의해서 지지되고, 상기 카바는 사출물의 연장부와 당접되는 스텝모터에 있어서,In the stepper motor is provided around the outer periphery of the motor, the lower part of the shaft is supported by the lower bearing, the lower bearing is supported by the cover, the cover is in contact with the extension of the injection molding, 상기 카바의 상부면에는 환형홈이 형성되고, 상기 환형홈에는 탄성링이 삽입되어, 탄성링이 카바와 사출물의 연장부 사이에 개재되는 것을 특징으로 하는 스텝모터의 시일링 구조.An annular groove is formed on an upper surface of the cover, and an elastic ring is inserted into the annular groove, so that the elastic ring is interposed between the cover and an extension of the injection molded product. 모터의 외주 둘레에는 케이스가 구비되고, 샤프트의 하부는 하부 베어링에 의해서 지지되고, 하부베어링은 카바에 의해서 지지되고, 상기 카바는 사출물의 연장부와 당접되는 스텝모터에 있어서,In the stepper motor is provided around the outer periphery of the motor, the lower part of the shaft is supported by the lower bearing, the lower bearing is supported by the cover, the cover is in contact with the extension of the injection molding, 상기 사출물의 연장부의 하부에 환형홈이 형성되고, 상기 환형홈에 탄성링이 삽입되어, 탄성링이 카바와 사출물의 연장부 사이에 개재되는 것을 특징으로 하는 스텝모터의 시일링 구조.An annular groove is formed in the lower portion of the extension of the injection molding, and an elastic ring is inserted into the annular groove, so that the elastic ring is interposed between the cover and the extension of the injection molding.
KR1020090026200A 2009-03-27 2009-03-27 Sealing apparatus of stepping motor KR101025686B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020090026200A KR101025686B1 (en) 2009-03-27 2009-03-27 Sealing apparatus of stepping motor
JP2010039764A JP2010233445A (en) 2009-03-27 2010-02-25 Sealing structure of stepping motor
CN201010122120A CN101847923A (en) 2009-03-27 2010-02-26 The hermetically-sealed construction of stepping motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090026200A KR101025686B1 (en) 2009-03-27 2009-03-27 Sealing apparatus of stepping motor

Publications (2)

Publication Number Publication Date
KR20100107871A true KR20100107871A (en) 2010-10-06
KR101025686B1 KR101025686B1 (en) 2011-03-30

Family

ID=42772416

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020090026200A KR101025686B1 (en) 2009-03-27 2009-03-27 Sealing apparatus of stepping motor

Country Status (3)

Country Link
JP (1) JP2010233445A (en)
KR (1) KR101025686B1 (en)
CN (1) CN101847923A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020191750A (en) * 2019-05-23 2020-11-26 日本電産サンキョー株式会社 motor
JP2020191749A (en) * 2019-05-23 2020-11-26 日本電産サンキョー株式会社 motor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930005495Y1 (en) * 1991-05-30 1993-08-20 삼성전기 주식회사 Lead wire holder for regin-pac motor
KR20010000549U (en) * 1999-06-14 2001-01-15 배길훈 Rectifier cover of alternator for vehicle
KR20010000991U (en) * 1999-06-23 2001-01-15 황한규 Driving motor for condenser
JP4100855B2 (en) * 2000-03-31 2008-06-11 山洋電気株式会社 Sealing structure and rotating electric machine
JP2002165405A (en) * 2000-11-27 2002-06-07 Hitachi Car Eng Co Ltd Sealing structure for electric motor
CN2847571Y (en) * 2005-06-22 2006-12-13 光红建圣股份有限公司 Structure improved coaxial cable connector
JP4868803B2 (en) 2005-09-16 2012-02-01 株式会社不二工機 Motorized valve
CN100482536C (en) * 2007-06-25 2009-04-29 哈尔滨工程大学 Modular steering engine of ship underwater
JP2009050149A (en) * 2007-07-26 2009-03-05 Nidec Sankyo Corp Electric motor

Also Published As

Publication number Publication date
JP2010233445A (en) 2010-10-14
KR101025686B1 (en) 2011-03-30
CN101847923A (en) 2010-09-29

Similar Documents

Publication Publication Date Title
US20070290571A1 (en) Spindle Motor
RU2011102547A (en) BEARING SEAL
KR101025686B1 (en) Sealing apparatus of stepping motor
KR101103573B1 (en) Linear vibrator
US20210029843A1 (en) Electronic apparatus
JP2017225337A (en) motor
CN104935102B (en) Electric machine for adjusting a movable part in the engine compartment of a motor vehicle in motor mode
EP2833762A1 (en) Pot lid with a sensor device
RU2012107866A (en) ELASTIC INSULATION SYSTEM FOR MOTOR TO DECREASE VIBRATION TRANSFER
JP6629839B2 (en) Media impervious housing
WO2016023388A1 (en) Motor controller and external rotor motor using same
US20160195101A1 (en) Centrifugal fan having combined sealing and vibration isolation
CN110165811B (en) Motor base closure system and method
KR20130033669A (en) Motor having oil leakage protection structure
US20160186763A1 (en) Compact centrifugal fan
US20130236340A1 (en) Motor, disk drive apparatus, and fan
CN210629230U (en) Stator unit, motor, and blower
US20180337573A1 (en) Motor and fan motor
KR20110051406A (en) Linear stepping motor
KR101048598B1 (en) Bearing support device of step motor
KR20100089244A (en) Spindle motor
KR101509512B1 (en) spindle motor
KR20110064779A (en) Rotator assembling structure for step motor
CN204847597U (en) Tensioner prevent wire jumper device
CN103532260B (en) Anti-leakage of oil dust-proof motor and fan

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20140307

Year of fee payment: 4

FPAY Annual fee payment

Payment date: 20150309

Year of fee payment: 5

FPAY Annual fee payment

Payment date: 20160307

Year of fee payment: 6

FPAY Annual fee payment

Payment date: 20170306

Year of fee payment: 7

FPAY Annual fee payment

Payment date: 20180306

Year of fee payment: 8

FPAY Annual fee payment

Payment date: 20190304

Year of fee payment: 9

FPAY Annual fee payment

Payment date: 20200302

Year of fee payment: 10