JPS63135220U - - Google Patents

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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
Application number
JP2741087U
Other languages
Japanese (ja)
Other versions
JPH0648329Y2 (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 JP1987027410U priority Critical patent/JPH0648329Y2/en
Publication of JPS63135220U publication Critical patent/JPS63135220U/ja
Application granted granted Critical
Publication of JPH0648329Y2 publication Critical patent/JPH0648329Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)

Description

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

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)

【実用新案登録請求の範囲】 (1) 筐体と、この筐体に固着された固定子と、
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.
JP1987027410U 1987-02-27 1987-02-27 Electric motor with encoder Expired - Lifetime JPH0648329Y2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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