JPS60166294U

JPS60166294U - Drive piezoelectric device

Info

Publication number: JPS60166294U
Application number: JP1984052933U
Authority: JP
Inventors: 高田　孝
Original assignee: 松下電工株式会社
Priority date: 1984-04-10
Filing date: 1984-04-10
Publication date: 1985-11-05
Also published as: JPH036153Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来技術の移動体１の駆動説明図、第２図は本
考案の一実施例の平面図、第３図は第２図、の正面図、
第４図は第２図の側面図、第５図は第３図の部分■の拡
大斜視図、第６図は第２図の実施例の移動体７の斜視図
、第７図は第２図の実施例の電気的構成を示すブロック
図、第８図は第１圧電素子部９、第２圧電素子部１ｏＬ
１３圧電素子部１１に加える電圧の波形図、第９図は移
動体７の駆動状態を説明する図、第１０図は本考案の他
の実施例の平面図、第１１図は第１０図の正面図、第１
２図は第１１図の側面図、第１３図は本考案のさらに他
の実施例の平面図、第１４図は第１３図の正面図、第１
５図は第１４図の切断面線ｘｖ−ｘｖから見た側断面図
であ葛。７・・・移動体、８・・・案内体、９・・・第１圧電素
子部、１０・・・第２圧電素子部、１１・・・第３圧電
素子部、１２・・・第１絶縁部材、１３・・・第２絶縁
部ザ、１４・・・第３絶縁部材、１．５・・・第４絶縁
部材、１６・・・内壁面、２空・・・第１連結部材、２
６・・・第２連結□部材、２Ｂ・・・切欠き部。FIG. 1 is an explanatory diagram of the drive of the moving body 1 of the prior art, FIG. 2 is a plan view of an embodiment of the present invention, and FIG. 3 is a front view of FIG.
4 is a side view of FIG. 2, FIG. 5 is an enlarged perspective view of part 2 in FIG. A block diagram showing the electrical configuration of the illustrated embodiment, FIG. 8 shows the first piezoelectric element section 9 and the second piezoelectric element section 1oL.
13 is a waveform diagram of the voltage applied to the piezoelectric element section 11, FIG. 9 is a diagram explaining the driving state of the moving body 7, FIG. 10 is a plan view of another embodiment of the present invention, and FIG. Front view, 1st
2 is a side view of FIG. 11, FIG. 13 is a plan view of still another embodiment of the present invention, FIG. 14 is a front view of FIG. 13, and FIG.
Figure 5 is a side sectional view taken along the section line xv-xv in Figure 14. 7... Moving body, 8... Guide body, 9... First piezoelectric element section, 10... Second piezoelectric element section, 11... Third piezoelectric element section, 12... First Insulating member, 13... Second insulating part, 14... Third insulating member, 1.5... Fourth insulating member, 16... Inner wall surface, 2... First connecting member, 2
6... Second connection □ member, 2B... Notch portion.

Claims

[Scope of utility model registration request]

(1) A pair of piezoelectric elements including a piezoelectric body made of a piezoelectric material and an electrode plate formed on the surface of the piezoelectric body are fixed so that the surfaces of the piezoelectric body facing the electrode plate face each other, and the electrode plate is a first piezoelectric element section that is divided into three parts in the moving direction and curved in a convex or concave shape in the thickness direction of the piezoelectric element; a second piezoelectric element section that is disposed at one end of the first piezoelectric element section in the moving direction; A third piezoelectric element part disposed at the other end in the moving direction of the first piezoelectric element part, and a third piezoelectric element part that connects the one end part of the first piezoelectric element part and the second piezoelectric element part, and a second connecting member that connects the other end of the first piezoelectric element portion and the third piezoelectric element portion and is movable angularly around an axis perpendicular to the moving direction; a first insulating member made of an insulating material and arranged so as to surround the first connecting member; and a second insulating member made of an insulating material and arranged so as to surround the second connecting member. an insulating member; a third insulating member made of an insulating material and placed on the free end side of the second piezoelectric element; and a fourth insulating member made of an insulating material and placed on the free end side of the third piezoelectric element part. A driving piezoelectric device comprising: an insulating member; and a control circuit for controlling the operation of a first piezoelectric element section, a second piezoelectric element section, and a third piezoelectric element section.

(2) Compared to the width in the thickness direction of the piezoelectric element of the first insulating member and the second insulating member, the convergence in the thickness direction of the piezoelectric element of the previous year of the third insulating member and the fourth insulating member is made shorter. A driving piezoelectric device according to claim 1, which is characterized by: