JPH0171975U - - Google Patents
Info
- Publication number
- JPH0171975U JPH0171975U JP1987166844U JP16684487U JPH0171975U JP H0171975 U JPH0171975 U JP H0171975U JP 1987166844 U JP1987166844 U JP 1987166844U JP 16684487 U JP16684487 U JP 16684487U JP H0171975 U JPH0171975 U JP H0171975U
- Authority
- JP
- Japan
- Prior art keywords
- center
- stepping motor
- key groove
- rotor
- 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.)
- Granted
Links
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Description
第１図は本考案によるステツピングモータの回
転子構造を示す一部断面を含む正面図、第２図か
ら第４図は従来のステツピングモータの回転子構
造を示すもので、第２図は一部断面を含む正面図
、第３図は注形する状態を示す構成図、第４図は
第３図の要部を示す拡大図である。
１はロータ、１ａは小歯、１ｃは凹部、２は軸
孔、２ａは第１キー溝部、２ｂは第２キー溝部、
３は回転軸、３ａは第１突部、３ｂは第２突部で
ある。
FIG. 1 is a front view including a partial cross section showing the rotor structure of a stepping motor according to the present invention, and FIGS. 2 to 4 show the rotor structure of a conventional stepping motor. FIG. 3 is a front view including a partial cross section, FIG. 3 is a configuration diagram showing a state of casting, and FIG. 4 is an enlarged view showing the main part of FIG. 3. 1 is a rotor, 1a is a small tooth, 1c is a recess, 2 is a shaft hole, 2a is a first keyway portion, 2b is a second keyway portion,
3 is a rotating shaft, 3a is a first protrusion, and 3b is a second protrusion.
Claims (1)
回転軸３に一体的に固定するようにしたステツピ
ングモータの回転子構造において、前記ロータ１
の軸孔２に形成された第１及び第２キー溝部２ａ
，２ｂと、前記回転軸３の周面に形成され、前記
各キー溝部２ａ，２ｂと嵌合する第１及び第２突
部３ａ，３ｂとを備え、前記第１キー溝部２ａの
中心が前記小歯１ａの中心に位置し、前記第２キ
ー溝部２ｂの中心が前記各小歯１ａ間の凹部１ｃ
の中心に位置するようにしたことを特徴とするス
テツピングモータの回転子構造。 In a stepping motor rotor structure in which a rotor 1 having a large number of small teeth 1a on its outer periphery is integrally fixed to a rotating shaft 3, the rotor 1
The first and second keyway portions 2a formed in the shaft hole 2 of
, 2b, and first and second protrusions 3a, 3b formed on the circumferential surface of the rotating shaft 3 and fitted into the respective key groove portions 2a, 2b, the center of the first key groove portion 2a being aligned with the The center of the second keyway portion 2b is located at the center of the small tooth 1a, and the center of the second key groove portion 2b is located at the recess 1c between the small teeth 1a.
A stepping motor rotor structure characterized by being located at the center of the stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16684487U JP2534672Y2 (en) | 1987-11-02 | 1987-11-02 | Rotor structure of stepping motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16684487U JP2534672Y2 (en) | 1987-11-02 | 1987-11-02 | Rotor structure of stepping motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0171975U true JPH0171975U (en) | 1989-05-15 |
| JP2534672Y2 JP2534672Y2 (en) | 1997-05-07 |
Family
ID=31454594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16684487U Expired - Lifetime JP2534672Y2 (en) | 1987-11-02 | 1987-11-02 | Rotor structure of stepping motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2534672Y2 (en) |
-
1987
- 1987-11-02 JP JP16684487U patent/JP2534672Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2534672Y2 (en) | 1997-05-07 |