JPS59115328U - piezoelectric sensor - Google Patents

piezoelectric sensor

Info

Publication number
JPS59115328U
JPS59115328U JP926683U JP926683U JPS59115328U JP S59115328 U JPS59115328 U JP S59115328U JP 926683 U JP926683 U JP 926683U JP 926683 U JP926683 U JP 926683U JP S59115328 U JPS59115328 U JP S59115328U
Authority
JP
Japan
Prior art keywords
pressure
piezoelectric
resistant pipe
piezoelectric element
sensor
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.)
Granted
Application number
JP926683U
Other languages
Japanese (ja)
Other versions
JPH02660Y2 (en
Inventor
河尻　章吾
Original Assignee
日本特殊陶業株式会社
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 日本特殊陶業株式会社 filed Critical 日本特殊陶業株式会社
Priority to JP926683U priority Critical patent/JPS59115328U/en
Publication of JPS59115328U publication Critical patent/JPS59115328U/en
Application granted granted Critical
Publication of JPH02660Y2 publication Critical patent/JPH02660Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Measuring Fluid Pressure (AREA)
  • 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、従来の圧電センサーを示す縦断側面図、第２
．３図は本考案の一実施例を示し、第２図は縦断側面図
、第３図は第２図Ａ−Ａ線断面図である。 １；踏圧体、３；耐圧パイプ、４；積層体、５；ダンバ
ニ、６：圧電素子、９；受圧体、１６；挿通孔、Ａ；圧
電センサー。Figure 1 is a vertical side view showing a conventional piezoelectric sensor;
．． 3 shows an embodiment of the present invention, FIG. 2 is a longitudinal side view, and FIG. 3 is a sectional view taken along the line A--A in FIG. DESCRIPTION OF SYMBOLS 1: Pressure body, 3: Pressure-resistant pipe, 4: Laminated body, 5: Danbani, 6: Piezoelectric element, 9: Pressure receiving body, 16: Through hole, A: Piezoelectric sensor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 内燃機関のシリンダー壁等の振動体表面に螺着するボル
ト、点火栓等の螺装体の軸部に外嵌する環状形をなし、
かつ前記螺装体の挟圧部に圧着される圧電素子を備えて
なる圧電センサーにおいて、前記圧電素子の内側又は外
側に耐圧パイプを配置し、その上方に圧電素子と、耐圧
パイプとを覆うようにして受圧体を設け、前記螺装体の
挟圧部で前記受圧体を挾圧し、前記螺装体の緊締に判う
圧力を耐圧パイプ側へ分散するように構成したことを特
徴とする圧電センサー。A bolt that is screwed onto the surface of a vibrating body such as the cylinder wall of an internal combustion engine, and an annular shape that fits onto the shaft of a threaded body such as a spark plug.
and a piezoelectric sensor comprising a piezoelectric element crimped to a clamping portion of the screw body, a pressure-resistant pipe is disposed inside or outside the piezoelectric element, and the piezoelectric element and the pressure-resistant pipe are covered above the piezoelectric sensor. A piezoelectric device characterized in that a pressure-receiving body is provided, the pressure-receiving body is clamped by a clamping part of the threaded body, and the pressure caused by the tightening of the screwed body is dispersed to a pressure-resistant pipe side. sensor.
JP926683U 1983-01-25 1983-01-25 piezoelectric sensor Granted JPS59115328U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP926683U JPS59115328U (en) 1983-01-25 1983-01-25 piezoelectric sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP926683U JPS59115328U (en) 1983-01-25 1983-01-25 piezoelectric sensor

Publications (2)

Publication Number Publication Date
JPS59115328U true JPS59115328U (en) 1984-08-03
JPH02660Y2 JPH02660Y2 (en) 1990-01-09

Family

ID=30140734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP926683U Granted JPS59115328U (en) 1983-01-25 1983-01-25 piezoelectric sensor

Country Status (1)

Country Link
JP (1) JPS59115328U (en)

Also Published As

Publication number Publication date
JPH02660Y2 (en) 1990-01-09

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