JPS6378240U

JPS6378240U -

Info

Publication number: JPS6378240U
Application number: JP17297486U
Authority: JP
Priority date: 1986-11-10
Filing date: 1986-11-10
Publication date: 1988-05-24

Description

[Brief explanation of drawings]

第１図は一実施例の縦断側面図、第２図はダイ
ヤフラム１２の拡大縦断側面図、第３図は従来構
成のダイヤフラム１２の縦断側面図である。１；取付金具、２；螺子部、３；貫通孔、６；
取付鍔、９；圧電素子板、１０；圧力伝達杆、１
２；ダイヤフラム、１３；側壁、１４；連結筒、
１５；挿通孔、１６；可動部、α；環状面積、β
；伝達面積。 FIG. 1 is a vertical side view of one embodiment, FIG. 2 is an enlarged vertical side view of a diaphragm 12, and FIG. 3 is a vertical side view of a conventional diaphragm 12. 1; Mounting bracket, 2; Thread portion, 3; Through hole, 6;
Mounting collar, 9; Piezoelectric element plate, 10; Pressure transmission rod, 1
2; diaphragm, 13; side wall, 14; connecting tube,
15; insertion hole, 16; movable part, α; annular area, β
;Transmission area.

Claims

[Scope of Claim for Utility Model Registration] A detection member such as a piezoelectric element plate and a pressure transmission rod is housed inside a mounting bracket attached to a cylinder of an internal combustion engine, and the sensing end of the pressure transmission rod projects from the mounting bracket, The sensing end is connected to a metal diaphragm that is held over the tip of the mounting bracket, and a connecting tube into which the sensing end of the pressure transmission rod can be inserted is provided in the center of the metal diaphragm. A pressure sensor for an internal combustion engine, characterized in that the sensing end of a pressure transmission rod and a metal diaphragm are connected to each other by inserting the sensing end into a cylinder and fixing it by welding.