JPH0436266U - - Google Patents
Info
- Publication number
- JPH0436266U JPH0436266U JP7857890U JP7857890U JPH0436266U JP H0436266 U JPH0436266 U JP H0436266U JP 7857890 U JP7857890 U JP 7857890U JP 7857890 U JP7857890 U JP 7857890U JP H0436266 U JPH0436266 U JP H0436266U
- Authority
- JP
- Japan
- Prior art keywords
- contact
- piezoelectric actuator
- main body
- contact surface
- body member
- 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
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 description 1
Description
第１図Ａは本考案の一実施例に係る圧電アクチ
ユエータの先端部分を示す部分斜視図、第１図Ｂ
およびＣは第１図Ａの圧電アクチユエータと被駆
動部材との間の当接状態を示す側面図および平面
図、第２図ＡおよびＢは従来の圧電アクチユエー
タと被駆動部材との間の当接状態をそれぞれ示す
側面図である。
符号の説明、１１……圧電アクチユエータ、１
１ａ……圧電アクチユエータ本体（ピエゾ素子）
、１２……当接部材、１２ａ……当接面（凸状球
面）、１３……ベアリングシヤフト（被駆動部材
）、１３ａ……外周面。
FIG. 1A is a partial perspective view showing the tip portion of a piezoelectric actuator according to an embodiment of the present invention, and FIG. 1B
and C are a side view and a plan view showing the contact state between the piezoelectric actuator and the driven member in FIG. 1A, and FIGS. 2A and B are the contact state between the conventional piezoelectric actuator and the driven member It is a side view which shows each state. Explanation of symbols, 11...Piezoelectric actuator, 1
1a... Piezoelectric actuator body (piezo element)
, 12...Abutment member, 12a...Abutment surface (convex spherical surface), 13...Bearing shaft (driven member), 13a...Outer peripheral surface.
Claims (1)
部材の変位方向の一方の端面に固着され、被駆動
部材との当接面を有する当接部材とを有し、この
当接部材の前記当接面は、少なくとも一方向にお
いて所定の曲率を有する凸状曲面となつているこ
とを特徴とする圧電アクチユエータ。 (2) 請求項第１項において、前記当接面は、凸
状球面であることを特徴とする圧電アクチユエー
タ。[Claims for Utility Model Registration] (1) Comprising a main body member made of a piezo element and a contact member fixed to one end surface of the main body member in the displacement direction and having a contact surface with a driven member. A piezoelectric actuator, wherein the contact surface of the contact member is a convex curved surface having a predetermined curvature in at least one direction. (2) The piezoelectric actuator according to claim 1, wherein the contact surface is a convex spherical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7857890U JPH0436266U (en) | 1990-07-24 | 1990-07-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7857890U JPH0436266U (en) | 1990-07-24 | 1990-07-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0436266U true JPH0436266U (en) | 1992-03-26 |
Family
ID=31621979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7857890U Pending JPH0436266U (en) | 1990-07-24 | 1990-07-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436266U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH027875A (en) * | 1988-06-17 | 1990-01-11 | Olympus Optical Co Ltd | Ultrasonic oscillator and driver having this oscillator |
-
1990
- 1990-07-24 JP JP7857890U patent/JPH0436266U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH027875A (en) * | 1988-06-17 | 1990-01-11 | Olympus Optical Co Ltd | Ultrasonic oscillator and driver having this oscillator |