JPS60188338U - Knock sensor - Google Patents

Knock sensor

Info

Publication number
JPS60188338U
JPS60188338U JP7461184U JP7461184U JPS60188338U JP S60188338 U JPS60188338 U JP S60188338U JP 7461184 U JP7461184 U JP 7461184U JP 7461184 U JP7461184 U JP 7461184U JP S60188338 U JPS60188338 U JP S60188338U
Authority
JP
Japan
Prior art keywords
screw
piezoelectric ceramic
knock sensor
additional mass
hole formed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7461184U
Other languages
Japanese (ja)
Inventor
浅野　勝吾
Original Assignee
松下電器産業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP7461184U priority Critical patent/JPS60188338U/en
Publication of JPS60188338U publication Critical patent/JPS60188338U/en
Pending legal-status Critical Current

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  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

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
立途中の断面図、第４薗は同完成状態の断面図である。FIG. 1 is a cross-sectional view of a conventional knock sensor, FIGS. 2 and 3 are cross-sectional views of a knock sensor according to an embodiment of the present invention during assembly, and the fourth column is a cross-sectional view of the same in its completed state.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中央に孔が形成された圧電セラミックと、中央に孔が形
成された付加質量と、この付加質量の熱膨張係数より大
きな熱膨張係数を有するネジとを有し、上記禾ジを上記
付加質量の孔および圧電セラミックの孔に挿入するとと
もに、上記ネジの先端部番筐体内、ｅ底面に形成された
ネジ穴に螺合して実記圧電セラミックと付加質量とを上
記筐体内、　　に取付けてなるノックセンサ。It has a piezoelectric ceramic with a hole formed in the center, an additional mass with a hole formed in the center, and a screw having a coefficient of thermal expansion larger than the coefficient of thermal expansion of this additional mass, and the The dowel is inserted into the hole and the hole of the piezoelectric ceramic, and the tip of the screw is screwed into the screw hole formed on the bottom surface of the housing, thereby attaching the actual piezoelectric ceramic and the additional mass to the housing. sensor.
JP7461184U 1984-05-22 1984-05-22 Knock sensor Pending JPS60188338U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7461184U JPS60188338U (en) 1984-05-22 1984-05-22 Knock sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7461184U JPS60188338U (en) 1984-05-22 1984-05-22 Knock sensor

Publications (1)

Publication Number Publication Date
JPS60188338U true JPS60188338U (en) 1985-12-13

Family

ID=30615067

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7461184U Pending JPS60188338U (en) 1984-05-22 1984-05-22 Knock sensor

Country Status (1)

Country Link
JP (1) JPS60188338U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0473825U (en) * 1990-11-05 1992-06-29

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS509441A (en) * 1973-05-21 1975-01-30
JPS58124958A (en) * 1982-01-22 1983-07-25 Mitsubishi Electric Corp Acceleration detector
JPS5932938B2 (en) * 1980-12-26 1984-08-11 株式会社東芝 Dial attachment device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS509441A (en) * 1973-05-21 1975-01-30
JPS5932938B2 (en) * 1980-12-26 1984-08-11 株式会社東芝 Dial attachment device
JPS58124958A (en) * 1982-01-22 1983-07-25 Mitsubishi Electric Corp Acceleration detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0473825U (en) * 1990-11-05 1992-06-29

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