JPS63666U - - Google Patents

Info

Publication number
JPS63666U
JPS63666U JP9225486U JP9225486U JPS63666U JP S63666 U JPS63666 U JP S63666U JP 9225486 U JP9225486 U JP 9225486U JP 9225486 U JP9225486 U JP 9225486U JP S63666 U JPS63666 U JP S63666U
Authority
JP
Japan
Prior art keywords
brushless motor
bearings
housing
cylindrical portion
outer peripheral
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.)
Granted
Application number
JP9225486U
Other languages
Japanese (ja)
Other versions
JPH087805Y2 (en
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 filed Critical
Priority to JP1986092254U priority Critical patent/JPH087805Y2/en
Publication of JPS63666U publication Critical patent/JPS63666U/ja
Application granted granted Critical
Publication of JPH087805Y2 publication Critical patent/JPH087805Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Motor Or Generator Frames (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は磁気デイスクが取付られた状態の本考
案の一実施例を示す断面図、第２図は第１図の
―断面平面図、第３図は第１図の―断面側
面図、第４図は作用説明図、第５図と第６図は夫
々他の実施例の要部を示す断面側面図、第７図は
要部構造の他の具体例を示す断面側面図、第８図
は磁気デイスクの別の取付構造を示す断面側面図
である。 ２……円筒部、３……ハウジング、４ａ……軸
受、４ｂ……軸受、５……回転軸、６……ロータ
ホルダ、７……コイル、８……ステータ、２１…
…内周面、２５……切欠き部。 Fig. 1 is a sectional view showing an embodiment of the present invention with a magnetic disk attached, Fig. 2 is a sectional plan view of Fig. 1, and Fig. 3 is a sectional side view of Fig. 1; 4 is an explanatory diagram of the operation, FIGS. 5 and 6 are cross-sectional side views showing the main parts of other embodiments, FIG. 7 is a cross-sectional side view showing other specific examples of the structure of the main parts, and FIG. 8 FIG. 3 is a cross-sectional side view showing another mounting structure for a magnetic disk. 2... Cylindrical part, 3... Housing, 4a... Bearing, 4b... Bearing, 5... Rotating shaft, 6... Rotor holder, 7... Coil, 8... Stator, 21...
...Inner peripheral surface, 25...Notch portion.

Claims (1)

【実用新案登録請求の範囲】 １ 円筒部２を有するハウジング３と、該ハウジ
ング３の円筒部２であつてその前方側及び後方側
の２箇所に夫々配設される２個の軸受４ａ，４ｂ
と、該軸受４ａ，４ｂを介して回転自在に枢支さ
れる回転軸５と、該回転軸５を介して上記ハウジ
ング３に回転自在として取付けられると共に、多
極着磁されたロータマグネツト１５を有するロー
タホルダ６と、上記ハウジング３に固着されると
共に、コイル７が巻設されるステータ８と、を備
えたブラシレスモータにおいて、 上記回転軸５の一定方向の傾倒または移動を許
容するための切欠き部２５が、上記軸受４ａ，４
ｂのうち何れか一方又は両方の外周側の近傍部で
あつて上記円筒部２の内周面２１の一部に、形成
されていることを特徴とするブラシレスモータ。 ２ 上記切欠き部２５が後方側の軸受４ｂのみの
外周側に形成されている実用新案登録請求の範囲
第１項記載のブラシレスモータ。 ３ 上記切欠き部２５が前方側及び後方側双方の
軸受４ａ，４ｂの外周側に夫々形成され、かつ、
該切欠き部２５，２５が平面的に見た場合回転軸
５を中心として同一方向に夫々配置されている実
用新案登録請求の範囲第１項記載のブラシレスモ
ータ。 ４ 上記切欠き部２５が前方側及び後方側双方の
軸受４ａ，４ｂの外周側に夫々形成され、かつ、
該切欠き部２５，２５が平面的に見た場合回転軸
５を中心として１８０度の角度をもつて反対方向
に夫々配置されている実用新案登録請求の範囲第
１項記載のブラシレスモータ。[Claims for Utility Model Registration] 1. A housing 3 having a cylindrical portion 2, and two bearings 4a and 4b disposed at two locations on the front and rear sides of the cylindrical portion 2 of the housing 3, respectively.
, a rotary shaft 5 rotatably supported via the bearings 4a and 4b, and a multipolar magnetized rotor magnet 15 rotatably attached to the housing 3 via the rotary shaft 5. and a stator 8 fixed to the housing 3 and around which the coil 7 is wound. The notch 25 is located between the bearings 4a and 4.
A brushless motor characterized in that the brushless motor is formed in a part of the inner peripheral surface 21 of the cylindrical portion 2 near the outer peripheral side of one or both of the parts b. 2. The brushless motor according to claim 1, wherein the cutout portion 25 is formed only on the outer peripheral side of the rear bearing 4b. 3. The cutout portions 25 are formed on the outer circumferential sides of both the front and rear bearings 4a, 4b, and
The brushless motor according to claim 1, wherein the notches 25, 25 are arranged in the same direction about the rotating shaft 5 when viewed from above. 4. The notch portions 25 are formed on the outer peripheral sides of both the front and rear bearings 4a, 4b, and
The brushless motor according to claim 1, wherein the notches 25, 25 are arranged in opposite directions at an angle of 180 degrees about the rotating shaft 5 when viewed in plan.
JP1986092254U 1986-06-16 1986-06-16 Brushless motor Expired - Lifetime JPH087805Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986092254U JPH087805Y2 (en) 1986-06-16 1986-06-16 Brushless motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986092254U JPH087805Y2 (en) 1986-06-16 1986-06-16 Brushless motor

Publications (2)

Publication Number Publication Date
JPS63666U true JPS63666U (en) 1988-01-06
JPH087805Y2 JPH087805Y2 (en) 1996-03-04

Family

ID=30953794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986092254U Expired - Lifetime JPH087805Y2 (en) 1986-06-16 1986-06-16 Brushless motor

Country Status (1)

Country Link
JP (1) JPH087805Y2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01147669U (en) * 1988-03-30 1989-10-12
JPH02136476U (en) * 1989-04-13 1990-11-14
JP2009030794A (en) * 2007-06-22 2009-02-12 Nsk Ltd Rotation support device and rolling bearing unit for rotation support device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5761811A (en) * 1980-10-01 1982-04-14 Sony Corp Holding device of revolving body
JPS594820U (en) * 1982-07-02 1984-01-12 日立工機株式会社 bearing chamber

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5761811A (en) * 1980-10-01 1982-04-14 Sony Corp Holding device of revolving body
JPS594820U (en) * 1982-07-02 1984-01-12 日立工機株式会社 bearing chamber

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01147669U (en) * 1988-03-30 1989-10-12
JPH02136476U (en) * 1989-04-13 1990-11-14
JP2009030794A (en) * 2007-06-22 2009-02-12 Nsk Ltd Rotation support device and rolling bearing unit for rotation support device

Also Published As

Publication number Publication date
JPH087805Y2 (en) 1996-03-04

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