JPS60188339U

JPS60188339U - Knock sensor

Info

Publication number: JPS60188339U
Application number: JP7461284U
Authority: JP
Inventors: 浅野　勝吾
Original assignee: 松下電器産業株式会社
Priority date: 1984-05-22
Filing date: 1984-05-22
Publication date: 1985-12-13

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図は従来のノックセンサの断面図、第２図、第３図
はそれぞれ本考案の一実施例におけるノックセンサの組
立途中り断面図、第４図は同完成状態の断面図である。１３・・・筐体、１３Ａ・・・基台部、１３Ｂ・・・筒
状部、１４・・・ネジ部、１５・・・ネジ穴、１６・・
・圧電セラミック、１７．１８・・・電極、１９・・・
付加質量、２０・・・凹部、２１・・・リード線、２セ
・・・ワッシャー、２３・・・絶縁チューブ、２４・・
・絶縁スペーサ、２５・・・ワッシャー、２６・・・ネ
ジ、２７・・・コネクタユニット、２８・・・ター迭ナ
ル、２９・・・穴、３０・・凹部、３１・・・蓋板、３
２・・・規制板、３３・・・Ｏリング、３４・・・シー
ル材、３５・・・Ｏリング、３６・・・センサ部、３７
・・・コネクタ部。FIG. 1 is a cross-sectional view of a conventional knock sensor, FIGS. 2 and 3 are partial cross-sectional views of a knock sensor according to an embodiment of the present invention during assembly, and FIG. 4 is a cross-sectional view of the same in its completed state. 13... Housing, 13A... Base part, 13B... Cylindrical part, 14... Screw part, 15... Screw hole, 16...
・Piezoelectric ceramic, 17.18...electrode, 19...
Additional mass, 20... Recess, 21... Lead wire, 2... Washer, 23... Insulating tube, 24...
- Insulating spacer, 25... washer, 26... screw, 27... connector unit, 28... terminal, 29... hole, 30... recess, 31... cover plate, 3
2... Regulation plate, 33... O ring, 34... Seal material, 35... O ring, 36... Sensor part, 37
...Connector part.

Claims

[Scope of utility model registration request]

a housing having a conductive base part and a cylindrical part whose lower end surface is circumferentially disposed on the top surface of the base part; a piezoelectric ceramic screwed to the top surface of the base part of the housing; and an additional mass; A knock sensor comprising a connector unit integrally provided with a terminal and fixed to the upper end of the cylindrical part.