KR100315519B1 - 디스크구동모터 - Google Patents
디스크구동모터 Download PDFInfo
- Publication number
- KR100315519B1 KR100315519B1 KR1019980060637A KR19980060637A KR100315519B1 KR 100315519 B1 KR100315519 B1 KR 100315519B1 KR 1019980060637 A KR1019980060637 A KR 1019980060637A KR 19980060637 A KR19980060637 A KR 19980060637A KR 100315519 B1 KR100315519 B1 KR 100315519B1
- Authority
- KR
- South Korea
- Prior art keywords
- rotor
- drive motor
- stator
- bearing
- rotating shaft
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
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
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/167—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings
- H02K5/1675—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using sliding-contact or spherical cap bearings radially supporting the rotary shaft at only one end of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/085—Structural association with bearings radially supporting the rotary shaft at only one end of the rotor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rotational Drive Of Disk (AREA)
- Motor Or Generator Frames (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Abstract
Description
Claims (9)
- 회전축과;내주면에 마그네트가 부착된 케이스를 갖는 로터와;상기 케이스상에 일체로 마련되는 것으로, 중심면에는 회전축 상단부가 삽입되는 관통구멍을 갖는 보스가 형성되고, 이 보스의 외주면으로부터 연장되어 로터 케이스 하면에 밀착되는 플랜지및 로터 케이스의 상부에 밀착되면서 상면에 디스크가 안착되는 안착대를 구비하며, 보스의 상면으로부터 연장 형성되고 중심 상면에 마그네트가 삽입되는 삽입홈이 형성된 가이더를 포함하는 디스크 안착수단;상기 로터의 하부에 위치되며, 스테이터코어와, 이 스테이터코어에 권선되어 로터의 마그네트와 함께 전자기력을 발생시키는 코일이 권선된 스테이터와;상기 스테이터와 회전축 사이에 개재되어 상기 회전축을 회전 가능하게 축 지지하는 지지수단;을 포함하여 된 것을 특징으로 하는 디스크 구동모터.
- 제 1항에 있어서, 상기 플랜지는, 상기 로터 케이스의 내주면에 전면적으로 밀착되어 상기 마그네트의 상단부와 접촉되도록 된 것을 특징으로 하는 디스크 구동모터.
- 제 2항에 있어서, 상기 마그네트는 상기 플랜지에 의해 전체 높이가 결정되는 것을 특징으로 하는 디스크 구동모터.
- 제 1항에 있어서, 상기 디스크 안착수단은 상기 로터 케이스에 아웃서팅을 통해 일체로 성형되는 것을 특징으로 하는 디스크 구동모터.
- 제 1항에 있어서, 상기 지지수단은,상기 스테이터상에 마련되며 중심면에 베어링 압입구멍이 관통 형성된 베어링 홀더와;상기 베어링 홀더와 회전축 사이에 개재되어 상기 회전축을 미끄럼 지지하는 베어링과;상기 베어링 홀더의 하부 중심면에 마련되며, 상기 회전축의 하단부를 지지하는 와셔가 내장된 축 받침대;로 이루어진 것을 특징으로 하는 디스크 구동모터.
- 제 5항에 있어서, 상기 베어링은 소결함유 베어링으로 구성되며, 상,하 내주면에는 회전축의 상,하부 외주면과 접촉되는 상,하 지지면이 연장 형성되며, 이 상,하 지지면 사이의 공간부에는 오일이 개재되는 것을 특징으로 하는 디스크 구동모터.
- 제 5항에 있어서, 상기 베어링 홀더는 상기 스테이터에 일체로 마련되는 것을 특징으로 하는 디스크 구동모터.
- 제 7항에 있어서, 상기 베어링 홀더는 상기 스테이터의 중심면을 딥드로잉 가공하여 성형되는 것을 특징으로 하는 디스크 구동모터.
- 제 5항에 있어서, 상기 베어링의 상,하면과 인접된 회전축상에는 상기 오일의 누유를 방지하기 위한 와셔가 개재되는 것을 특징으로 하는 디스크 구동모터.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980060637A KR100315519B1 (ko) | 1998-12-30 | 1998-12-30 | 디스크구동모터 |
| TW088110519A TW495739B (en) | 1998-12-30 | 1999-06-23 | Disk rotating device |
| CN99109403A CN1258909A (zh) | 1998-12-30 | 1999-06-28 | 光盘旋转装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980060637A KR100315519B1 (ko) | 1998-12-30 | 1998-12-30 | 디스크구동모터 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000044153A KR20000044153A (ko) | 2000-07-15 |
| KR100315519B1 true KR100315519B1 (ko) | 2002-02-28 |
Family
ID=19567403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980060637A Expired - Fee Related KR100315519B1 (ko) | 1998-12-30 | 1998-12-30 | 디스크구동모터 |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100315519B1 (ko) |
| CN (1) | CN1258909A (ko) |
| TW (1) | TW495739B (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101233583B1 (ko) * | 2010-03-30 | 2013-02-15 | 니혼 덴산 가부시키가이샤 | 발전기 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020043824A (ko) * | 2000-12-04 | 2002-06-12 | 이형도 | 팬 모터 |
| KR100984590B1 (ko) * | 2009-01-30 | 2010-09-30 | 주식회사 삼홍사 | 스핀들모터 및 이를 채용한 정보저장장치 |
| KR101037483B1 (ko) * | 2009-06-10 | 2011-05-26 | 삼성전기주식회사 | 엔코더가 탑재된 스핀들 모터 어셈블리 |
| US8156513B2 (en) * | 2009-08-21 | 2012-04-10 | Nidec Corporation | Motor and storage disk drive apparatus |
| CN118572940B (zh) * | 2024-08-01 | 2024-10-29 | 广东晟辉科技股份有限公司 | 一种改进型磁压增强结构及其制造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09247886A (ja) * | 1996-03-08 | 1997-09-19 | Canon Precision Inc | モータのロータ抜け防止構造 |
| JPH1052016A (ja) * | 1996-08-05 | 1998-02-20 | Tokyo Parts Ind Co Ltd | ラビリンスを備えたロータ露出型モータ |
-
1998
- 1998-12-30 KR KR1019980060637A patent/KR100315519B1/ko not_active Expired - Fee Related
-
1999
- 1999-06-23 TW TW088110519A patent/TW495739B/zh not_active IP Right Cessation
- 1999-06-28 CN CN99109403A patent/CN1258909A/zh active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09247886A (ja) * | 1996-03-08 | 1997-09-19 | Canon Precision Inc | モータのロータ抜け防止構造 |
| JPH1052016A (ja) * | 1996-08-05 | 1998-02-20 | Tokyo Parts Ind Co Ltd | ラビリンスを備えたロータ露出型モータ |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101233583B1 (ko) * | 2010-03-30 | 2013-02-15 | 니혼 덴산 가부시키가이샤 | 발전기 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW495739B (en) | 2002-07-21 |
| KR20000044153A (ko) | 2000-07-15 |
| CN1258909A (zh) | 2000-07-05 |
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