JPS5843097U - piezoelectric vibrator - Google Patents

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

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

第１図ａ、　　ｂは夫々従来の圧電振動体の斜視図及び
断面図、第２図、及び第３図は、本考案の圧電振動体の
一実施例の断面図、及び分解斜視図、第４図は本考案の
圧電振動体の振動形態を示す模式図、第５図は周波数特
性曲線図、を夫々示している。 ４・・・・・・金属基材、５，６・・・・・・環状基板
、７，８・・・・・・環状圧電材料板、９・・・・・・
圧電振動板、１０・・・・・・円形金属薄板、１１・・
・・・・円形圧電材料板。FIGS. 1a and 1b are respectively a perspective view and a sectional view of a conventional piezoelectric vibrating body, and FIGS. 2 and 3 are a sectional view and an exploded perspective view of an embodiment of the piezoelectric vibrating body of the present invention. FIG. 4 is a schematic diagram showing the vibration form of the piezoelectric vibrating body of the present invention, and FIG. 5 is a frequency characteristic curve diagram. 4... Metal base material, 5, 6... Annular substrate, 7, 8... Annular piezoelectric material plate, 9...
Piezoelectric diaphragm, 10...Circular thin metal plate, 11...
...Circular piezoelectric material plate.

Claims (4)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）同軸上に設けられた上下２枚の環状基板をその各
内周部に於いて連結してな乞金属部材と、該金属基材の
２枚の環状基板に夫々貼り合セされた環状の圧電材料板
と、からなる圧電振動体。(1) Two annular substrates arranged on the same axis, upper and lower, are connected at their respective inner peripheries and bonded to the metal member and the two annular substrates of the metal base material, respectively. A piezoelectric vibrating body consisting of an annular piezoelectric material plate. （２）上記金属基材は、金属薄板を一体成形してなる実
用新案登録請求の範囲第１項記載の圧電振動体。(2) The piezoelectric vibrating body according to claim 1, wherein the metal base material is formed by integrally molding a thin metal plate. （３）上記一方の環状基板の外周部に振動板を結合して
なる実用新案登録請求の範囲第１項又は第２項記載の圧
電振動体。(3) The piezoelectric vibrating body according to claim 1 or 2, which is a utility model registered claim, in which a diaphragm is coupled to the outer periphery of one of the annular substrates. （４）上記振動板として、金属薄板に圧電材料板を貼り
合せた円板状の圧電振動板を用い、この圧電振動板の外
周部が上記一方の環状基板の外周部に結合されてなる実
用新案登録請求の範囲第３項記載の圧電振動体。(4) As the diaphragm, a disc-shaped piezoelectric diaphragm made by bonding a piezoelectric material plate to a thin metal plate is used, and the outer periphery of the piezoelectric diaphragm is bonded to the outer periphery of one of the annular substrates. A piezoelectric vibrating body according to claim 3 of the patent registration claim.