JPS6392310U - - Google Patents
Info
- Publication number
- JPS6392310U JPS6392310U JP18674286U JP18674286U JPS6392310U JP S6392310 U JPS6392310 U JP S6392310U JP 18674286 U JP18674286 U JP 18674286U JP 18674286 U JP18674286 U JP 18674286U JP S6392310 U JPS6392310 U JP S6392310U
- Authority
- JP
- Japan
- Prior art keywords
- base
- motor unit
- pairs
- gear train
- gear
- 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.)
- Pending
Links
- 230000005284 excitation Effects 0.000 claims description 3
Landscapes
- Lens Barrels (AREA)
- Gear Transmission (AREA)
- Analogue/Digital Conversion (AREA)
- Focusing (AREA)
Description
第１図は本考案によるモータユニツトの一実施
例の平面図、第２図は第１図のモータユニツトの
正面図、第３図のＡ，Ｂ，Ｃ，Ｄは第１図のモー
タの組立順序を示す平面図、第４図は円筒マグネ
ツトの軸受構造の縦断面図、第５図はモータ回転
検出用のロータリーエンコーダーの縦断面図、第
６図は第５図の分解斜視図、第７図は第１図のモ
ータを内蔵したカメラの鏡筒の縦断面図である。
１……ベース、２，４，１１，１８……ステー
タ、２Ａ，４Ａ，１１Ａ，１８Ａ……磁極部（ス
テータ）、３，１２……励磁コイル、１７……円
筒マグネツト、２５，２６，２７，２８，２９，
３０……ギヤトレーン、３２……出力ギヤ、３３
……第２のベース、１１５……パターン、１１７
……スリツト板、１１９……投受光素子。
Fig. 1 is a plan view of an embodiment of the motor unit according to the present invention, Fig. 2 is a front view of the motor unit shown in Fig. 1, and A, B, C, and D in Fig. 3 are the assembly of the motor shown in Fig. 1. FIG. 4 is a longitudinal sectional view of the bearing structure of the cylindrical magnet; FIG. 5 is a longitudinal sectional view of a rotary encoder for detecting motor rotation; FIG. 6 is an exploded perspective view of FIG. 5; The figure is a longitudinal cross-sectional view of the lens barrel of the camera incorporating the motor shown in FIG. 1... Base, 2, 4, 11, 18... Stator, 2A, 4A, 11A, 18A... Magnetic pole portion (stator), 3, 12... Excitation coil, 17... Cylindrical magnet, 25, 26, 27 ,28,29,
30...Gear train, 32...Output gear, 33
...Second base, 115...Pattern, 117
...Slit plate, 119... Light emitting/receiving element.
Claims (1)
、該第１のベースに軸支された円筒マグネツトと
、該円筒マグネツトの外周に配置された複数対の
磁極部を有しかつ前記ベース上に保持された複数
対のステータと、複数対のステータのそれぞれに
巻回された複数の励磁コイルと、前記第１のベー
スに対し所定の間隔をおいて固定された略円弧状
または円環状の第２のベースと、該第１のベース
および該第２のベースの間の空間に沿つて配置さ
れかつ両ベースで支持された軸に軸支され順次噛
合うギヤから成るギヤトレーンとを備えたモータ
ユニツト。 (2) 前記第１のベースおよび前記第２のベース
の少なくとも一方がレンズ鏡筒の枠体と一体また
はこれに固定された部材であり、前記ギヤトレー
ンの出力側が前記円筒型機器内のリングギヤに連
結されていることを特徴とする実用新案登録請求
の範囲第１項記載のモータユニツト。 (3) 前記ギヤトレーンの歯車の前記第２のベー
スに面する端面にパターンを形成し、前記第２の
ベースに開口を設けるとともに該開口にスリツト
板を配置し、該スリツト板に投受光素子を取付け
ることにより、ロータリーエンコーダーを構成す
ることを特徴とする実用新案登録請求の範囲第１
項または第２項記載のモータユニツト。[Claims for Utility Model Registration] (1) A first base having a substantially arc-shaped or substantially annular shape, a cylindrical magnet pivotally supported by the first base, and a plurality of pairs arranged around the outer periphery of the cylindrical magnet. a plurality of pairs of stators having magnetic pole parts and held on the base; a plurality of excitation coils wound around each of the plurality of pairs of stators; and a plurality of excitation coils arranged at a predetermined interval with respect to the first base. A fixed substantially arc-shaped or annular second base, and a shaft disposed along the space between the first base and the second base and supported by both bases and sequentially engaged with each other. A motor unit with a gear train consisting of matching gears. (2) At least one of the first base and the second base is a member that is integrated with or fixed to the frame of the lens barrel, and the output side of the gear train is connected to a ring gear in the cylindrical device. 1. A motor unit according to claim 1, characterized in that: (3) Forming a pattern on the end face facing the second base of the gear of the gear train, providing an opening in the second base, arranging a slit plate in the opening, and disposing a light emitting/receiving element on the slit plate. Utility model registration claim 1, which is characterized in that a rotary encoder is constructed by attaching the
The motor unit according to item 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18674286U JPS6392310U (en) | 1986-12-05 | 1986-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18674286U JPS6392310U (en) | 1986-12-05 | 1986-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6392310U true JPS6392310U (en) | 1988-06-15 |
Family
ID=31136579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18674286U Pending JPS6392310U (en) | 1986-12-05 | 1986-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6392310U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5017635A (en) * | 1973-05-22 | 1975-02-25 | ||
| JPS5912114B2 (en) * | 1977-09-15 | 1984-03-21 | ストウフア−・ケミカル・カンパニ− | N↓-1,1,2,2↓-tetrachloro↓-2↓-fluoroethylthiobenzanilide and its use as a fungicide and acaricide |
| JPS6042727A (en) * | 1983-08-18 | 1985-03-07 | Canon Inc | Lens barrel for auto focus |
-
1986
- 1986-12-05 JP JP18674286U patent/JPS6392310U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5017635A (en) * | 1973-05-22 | 1975-02-25 | ||
| JPS5912114B2 (en) * | 1977-09-15 | 1984-03-21 | ストウフア−・ケミカル・カンパニ− | N↓-1,1,2,2↓-tetrachloro↓-2↓-fluoroethylthiobenzanilide and its use as a fungicide and acaricide |
| JPS6042727A (en) * | 1983-08-18 | 1985-03-07 | Canon Inc | Lens barrel for auto focus |
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