JPS63135220U - - Google Patents
Info
- Publication number
- JPS63135220U JPS63135220U JP2741087U JP2741087U JPS63135220U JP S63135220 U JPS63135220 U JP S63135220U JP 2741087 U JP2741087 U JP 2741087U JP 2741087 U JP2741087 U JP 2741087U JP S63135220 U JPS63135220 U JP S63135220U
- Authority
- JP
- Japan
- Prior art keywords
- small
- rotor shaft
- tip
- diameter
- rotor
- 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
Links
- 230000004323 axial length Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Description
第1図は本考案エンコーダを具えた電動機の説
明図、第2図aはその回転子軸先端部の正面図、
第2図bはその側面図、第3図aはブツシユの縦
断正面図、第3図bはその側面図、第4図は本考
案の他の実施例におけるエンコーダを具えた電動
機の説明図、第5図aはその回転子軸先端部の縦
断正面図、第5図bはその側面図、第6図aはブ
ツシユの縦断正面図、第6図bはその側面図、第
7図は従来のエンコーダを具えた電動機の説明図
である。
1……電動機筐体、2……固定子、3……回転
子、4……回転子軸、5……軸受、6……光電式
エンコーダ、7……ブツシユ、8……回転スリツ
ト板、9……固定スリツト板、10……受光装置
、11……発光装置、12……エンコーダ部カバ
ー、13……固定スリツト保持機構、14……押
しねじ、15,18……平坦面、16……小径の
部分、17……雄ねじ、19……雌ねじ。
Fig. 1 is an explanatory diagram of an electric motor equipped with the encoder of the present invention, Fig. 2a is a front view of the tip of the rotor shaft,
2b is a side view thereof, FIG. 3a is a longitudinal sectional front view of the bushing, FIG. 3b is a side view thereof, and FIG. 4 is an explanatory diagram of an electric motor equipped with an encoder according to another embodiment of the present invention. Fig. 5a is a longitudinal sectional front view of the tip of the rotor shaft, Fig. 5b is a side view thereof, Fig. 6a is a longitudinal sectional front view of the bushing, Fig. 6b is a side view thereof, and Fig. 7 is a conventional FIG. 2 is an explanatory diagram of an electric motor equipped with an encoder. DESCRIPTION OF SYMBOLS 1... Electric motor housing, 2... Stator, 3... Rotor, 4... Rotor shaft, 5... Bearing, 6... Photoelectric encoder, 7... Bush, 8... Rotating slit plate, 9... Fixed slit plate, 10... Light receiving device, 11... Light emitting device, 12... Encoder section cover, 13... Fixed slit holding mechanism, 14... Push screw, 15, 18... Flat surface, 16... ...Small diameter part, 17...Male thread, 19...Female thread.
Claims (1)
この固定子の内周面に小空隙を介して対向配設さ
れる回転子と、この回転子の回転子軸と、光電式
エンコーダとより成り、前記筐体から突出した回
転子軸の先端部は軸と平行な十分な軸方向長さの
段差を有し、前記光電式エンコーダの回転スリツ
ト板は、前記回転子軸の先端部に嵌合する十分な
軸方向長さを有するブツシユと、前記回転子軸の
段差に係合するよう前記ブツシユに半径方向に螺
合した押しねじを介して前記回転子軸に固定され
ることを特徴とするエンコーダを具えた電動機。 (2) 前記回転子軸の先端部は、小径の先端部分
を有し、この小径の先端部分が軸と平行な段差を
有する部分と雄ねじ部分とより成り、前記ブツシ
ユが前記回転子軸の大径部分と小径部分に対応す
る大径の孔部分と小径の孔部分とを有し、この小
径の孔部分には前記回転子軸の雄ねじ部分に螺合
する雌ねじ部分が形成されている実用新案登録請
求の範囲第1項記載のエンコーダを具えた電動機
。[Scope of claims for utility model registration] (1) A casing, a stator fixed to the casing,
It consists of a rotor disposed opposite to each other on the inner peripheral surface of the stator through a small gap, a rotor shaft of this rotor, and a photoelectric encoder, and the tip of the rotor shaft protrudes from the housing. has a step of sufficient axial length parallel to the axis, and the rotary slit plate of the photoelectric encoder has a bush having sufficient axial length to fit into the tip of the rotor shaft; An electric motor comprising an encoder fixed to the rotor shaft via a push screw threaded into the bush in a radial direction so as to engage with a step of the rotor shaft. (2) The tip of the rotor shaft has a small-diameter tip, and the small-diameter tip consists of a stepped portion parallel to the shaft and a male thread, and the bush has a small diameter tip. A utility model having a large-diameter hole portion and a small-diameter hole portion corresponding to the diameter portion and the small-diameter portion, and the small-diameter hole portion is formed with a female thread portion that is screwed into the male thread portion of the rotor shaft. An electric motor comprising an encoder according to claim 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987027410U JPH0648329Y2 (en) | 1987-02-27 | 1987-02-27 | Electric motor with encoder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987027410U JPH0648329Y2 (en) | 1987-02-27 | 1987-02-27 | Electric motor with encoder |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63135220U true JPS63135220U (en) | 1988-09-05 |
JPH0648329Y2 JPH0648329Y2 (en) | 1994-12-12 |
Family
ID=30829413
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987027410U Expired - Lifetime JPH0648329Y2 (en) | 1987-02-27 | 1987-02-27 | Electric motor with encoder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0648329Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102203545A (en) * | 2008-12-30 | 2011-09-28 | 深圳航天科技创新研究院 | Hall rotary transformer and hall rotation angle encoder made of it |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5310044U (en) * | 1976-07-09 | 1978-01-27 | ||
JPS6052716A (en) * | 1983-08-31 | 1985-03-26 | Sanritsu Kogyo Kk | Optical rotary encoder |
-
1987
- 1987-02-27 JP JP1987027410U patent/JPH0648329Y2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5310044U (en) * | 1976-07-09 | 1978-01-27 | ||
JPS6052716A (en) * | 1983-08-31 | 1985-03-26 | Sanritsu Kogyo Kk | Optical rotary encoder |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102203545A (en) * | 2008-12-30 | 2011-09-28 | 深圳航天科技创新研究院 | Hall rotary transformer and hall rotation angle encoder made of it |
JP2012514185A (en) * | 2008-12-30 | 2012-06-21 | シェンツェン アカデミー オブ エアロスペース テクノロジー | Hall rotation transformer and hall rotation angle encoder made thereof |
Also Published As
Publication number | Publication date |
---|---|
JPH0648329Y2 (en) | 1994-12-12 |
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