JPS6244102U

JPS6244102U -

Info

Publication number: JPS6244102U
Application number: JP13639185U
Authority: JP
Priority date: 1985-09-06
Filing date: 1985-09-06
Publication date: 1987-03-17

Description

[Brief explanation of the drawing]

図面第１図は電空変換器を用いた全体の系統図
、第２図以下は本考案に係る電空変換器の実施例
を示すものであり、第２図、第４図は電空変換器
の断面図、第３図、第５図は作用説明図、第６図
は他の実施例の要部のみの部分図である。符号１０は制御用空気入口、１２は固定絞り、
１３はパイロツト室、１４はノズル、１５は圧電
変換素子、１６はカバー、１７はフラツパ、１８
はボリウムブースタ、１９は主制御弁、２０は操
作用空気入口、２１は操作用空気出口、２２，２
３はダイヤフラム、２６は板ばね形フラツパ、２
７は押圧片である。 Figure 1 is an overall system diagram using an electro-pneumatic converter, Figure 2 and subsequent figures show examples of the electro-pneumatic converter according to the present invention, and Figures 2 and 4 are diagrams of the electro-pneumatic converter. A sectional view of the device, FIGS. 3 and 5 are explanatory views of the operation, and FIG. 6 is a partial view of only the main parts of another embodiment. 10 is a control air inlet, 12 is a fixed throttle,
13 is a pilot chamber, 14 is a nozzle, 15 is a piezoelectric transducer, 16 is a cover, 17 is a flapper, 18
is a volume booster, 19 is a main control valve, 20 is an operating air inlet, 21 is an operating air outlet, 22,2
3 is a diaphragm, 26 is a leaf spring type flapper, 2
7 is a pressing piece.

Claims

[Claims for Utility Model Registration] 1. In an electro-pneumatic transducer that controls operating air by changing the amount of flap displacement of a nozzle and flapper, a laminated piezoelectric transducer is mounted on the opening side of the nozzle facing the nozzle, An electro-pneumatic transducer characterized in that a flapper is interposed between the piezoelectric transducer and the nozzle, and the flapper is brought into close contact with the piezoelectric transducer. 2. The electro-pneumatic transducer according to claim 1, wherein the flapper is in the form of a leaf spring attached to a cover and is brought into elastic close contact with the piezoelectric transducer element. 3. The electro-pneumatic converter according to claim 2, wherein a pressing piece is provided on a part of the leaf spring type flapper, and the position of the flapper is adjusted via the pressing piece.