JPS6141878U - pump - 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およびｂは本考案第一実施例の電気絶縁性被膜
が貼り付けられたユニモルフ振動子の側面図および底面
図、第２図はこの振動子をポンプ本体に組み込んだ第一
実施例の断面図、第３図は電気絶縁性被膜が塗布形成さ
れたユニモルフ振動子をポンプ本体に組み込んだ本考案
第二実施例の断面図であり、第４図は先願技術のポンプ
の一部切欠平面図、第５図は同縦断面図、第６図は同一
部切欠底面図、第７図は同ポンプ振動部に用いられる円
板状ユニモルフ振動子の底面図、第８図ａ， ｂはその
作用説明図である。 ・１：ユニモルフ振動子、２：圧電磁器薄板、３：ポン
プ本体、３ａ，３ｂ，３ｃ：その構成片、４：加圧室、
５：金属製薄板、６：吐出側逆止弁、６ａ：吐出通路、
７：吸入側逆止弁、７ａ：吸入通路、９：導線、１０：
電気絶縁性被膜。Figures 1a and b are side and bottom views of a unimorph vibrator to which an electrically insulating film is attached according to the first embodiment of the present invention, and Figure 2 is a first embodiment in which this vibrator is incorporated into the pump body. 3 is a sectional view of a second embodiment of the present invention in which a unimorph vibrator coated with an electrically insulating film is incorporated into the pump body, and FIG. 4 is a sectional view of a part of the pump of the prior art. 5 is a longitudinal sectional view of the same, FIG. 6 is a partially cutaway bottom view of the same, FIG. 7 is a bottom view of a disc-shaped unimorph vibrator used in the pump vibration section, and FIGS. 8 a and b. is an explanatory diagram of its action.・1: Unimorph oscillator, 2: Piezoelectric ceramic thin plate, 3: Pump body, 3a, 3b, 3c: Constituent pieces thereof, 4: Pressurizing chamber,
5: Metal thin plate, 6: Discharge side check valve, 6a: Discharge passage,
7: Suction side check valve, 7a: Suction passage, 9: Conductor, 10:
Electrical insulation coating.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 被圧送物を加圧する加圧室の室壁に電気を機械振動に直
接変換する圧電磁器薄板と金属製薄板とを貼り合わせた
振動子が設けられてなるポンプであって、前記加圧室側
に位置する金属製薄板または圧電磁器薄板の表面に電気
絶縁性被膜が形成されたことを特徴とするポンプ。A pump is provided with a vibrator made of a piezoelectric ceramic thin plate and a metal thin plate bonded together, which directly converts electricity into mechanical vibration, on the wall of a pressurizing chamber that pressurizes a material to be pumped, the pressurizing chamber side 1. A pump characterized in that an electrically insulating film is formed on the surface of a thin metal plate or piezoelectric ceramic thin plate.