JPH03111188U - - Google Patents
Info
- Publication number
- JPH03111188U JPH03111188U JP1699090U JP1699090U JPH03111188U JP H03111188 U JPH03111188 U JP H03111188U JP 1699090 U JP1699090 U JP 1699090U JP 1699090 U JP1699090 U JP 1699090U JP H03111188 U JPH03111188 U JP H03111188U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic encoder
- rotary magnetic
- poles
- ultrasonic
- magnet material
- 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
- 239000000463 material Substances 0.000 claims description 5
- 230000005405 multipole Effects 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Description
第１図は本考案の一実施例としての超音波サー
ボモータの縦断面図、第２図は同超音波サーボモ
ータの一部切欠斜視図、第３図は帯状粘弾力性マ
グネツト材の斜視図、第４図は同粘弾力性マグネ
ツト材を丸めて形成したロータリ磁気エンコーダ
用多極着磁体の説明図である。
符号の説明、１……超音波サーボモータ、２…
…固定体、３……カツプ型ケーシング、４……超
音波サーボモータ本体、５……リング状突起、６
……ベアリングハウス、７……ベアリング、８…
…回転軸、９……振動吸収体、１０……電歪素子
、１１……弾性振動子、１１ａ……凹部、１１ｂ
……内周部、１１ｃ……外周部、１２……ベアリ
ングハウス、１３……ベアリング、１４……円板
状ロータ、１５……円環状突起、１６，１７……
樹脂、１８……金属円板、１９……板バネ、２１
……ロータリ磁気エンコーダ、２２……ロータリ
磁気エンコーダ用多極着磁体、２３……磁気抵抗
素子支持板、２４……磁気抵抗素子、２５……粘
弾力性マグネツト材［ゴムマグネツト］、２５ａ
，２５ｂ……端部、２６……ロータリ磁気エンコ
ーダ磁極。
Fig. 1 is a longitudinal sectional view of an ultrasonic servo motor as an embodiment of the present invention, Fig. 2 is a partially cutaway perspective view of the ultrasonic servo motor, and Fig. 3 is a perspective view of a band-shaped viscoelastic magnet material. , FIG. 4 is an explanatory view of a multi-pole magnetized body for a rotary magnetic encoder formed by rolling the same viscoelastic magnet material. Explanation of symbols, 1... Ultrasonic servo motor, 2...
... Fixed body, 3 ... Cup-shaped casing, 4 ... Ultrasonic servo motor body, 5 ... Ring-shaped projection, 6
...bearing house, 7...bearing, 8...
... Rotating shaft, 9 ... Vibration absorber, 10 ... Electrostrictive element, 11 ... Elastic vibrator, 11a ... Recess, 11b
... Inner peripheral part, 11c ... Outer peripheral part, 12 ... Bearing house, 13 ... Bearing, 14 ... Disc-shaped rotor, 15 ... Annular projection, 16, 17 ...
Resin, 18... Metal disk, 19... Leaf spring, 21
... Rotary magnetic encoder, 22 ... Multipolar magnetized body for rotary magnetic encoder, 23 ... Magnetoresistive element support plate, 24 ... Magnetoresistive element, 25 ... Viscoelastic magnet material [rubber magnet], 25a
, 25b... end, 26... rotary magnetic encoder magnetic pole.
Claims (1)
した超音波モータに於いて、両端部を円環状に丸
めたときにおいて互いにその両端部が二重に重な
ることなく且つ軸方向及び径方向において交叉す
る端部を有する帯状の粘弾力性マグネツト材をロ
ータに円環状に配設し、上記ロータに円環状に配
設したマグネツト材にＮ極、Ｓ極の磁極を交互に
多極に着磁してロータリ磁気エンコーダ用多極着
磁体を形成し、該ロータリ磁気エンコーダ用多極
着磁体と対向して磁気センサを固定側に配設して
ロータリ磁気エンコーダを形成してなる、超音波
サーボモータ。 In an ultrasonic motor that uses ultrasonic vibration to obtain rotational torque, when both ends are rolled into an annular shape, the ends do not overlap each other and intersect in the axial and radial directions. A band-shaped viscoelastic magnet material having an end portion of the magnetic material is arranged in a ring shape on a rotor, and the magnet material arranged in a ring shape in the rotor is magnetized with N poles and S poles alternately to form multiple poles. An ultrasonic servo motor comprising: a multi-pole magnetized body for a rotary magnetic encoder, and a magnetic sensor disposed on a fixed side facing the multi-pole magnetized body for a rotary magnetic encoder to form a rotary magnetic encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1699090U JPH03111188U (en) | 1990-02-22 | 1990-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1699090U JPH03111188U (en) | 1990-02-22 | 1990-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03111188U true JPH03111188U (en) | 1991-11-14 |
Family
ID=31751854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1699090U Pending JPH03111188U (en) | 1990-02-22 | 1990-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03111188U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101722475B1 (en) * | 2016-08-12 | 2017-04-03 | 박수익 | Mask with adjustable strap |
-
1990
- 1990-02-22 JP JP1699090U patent/JPH03111188U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101722475B1 (en) * | 2016-08-12 | 2017-04-03 | 박수익 | Mask with adjustable strap |