JPH0268600U - - Google Patents
Info
- Publication number
- JPH0268600U JPH0268600U JP14776388U JP14776388U JPH0268600U JP H0268600 U JPH0268600 U JP H0268600U JP 14776388 U JP14776388 U JP 14776388U JP 14776388 U JP14776388 U JP 14776388U JP H0268600 U JPH0268600 U JP H0268600U
- Authority
- JP
- Japan
- Prior art keywords
- elastic body
- diaphragm
- base plate
- case member
- peripheral edge
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000005452 bending Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 125000006850 spacer group Chemical group 0.000 claims 1
Landscapes
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図はこの考案の実施例である超音波トラン
スデユーサの構造を表す断面図、第２図はその外
観斜視図、第３図は他の実施例に係る超音波トラ
ンスデユーサの構造を表す断面図、第４図は先行
関連考案の超音波トランスデユーサの構造を表す
断面図である。
２０―圧電素子、２１―振動板、２４―ベース
板、２４ａ―スペーサ部材、２５―ケース部材、
４１―第１弾性板、４２，２３―第２弾性体。
Fig. 1 is a sectional view showing the structure of an ultrasonic transducer according to an embodiment of this invention, Fig. 2 is an external perspective view thereof, and Fig. 3 is a structure of an ultrasonic transducer according to another embodiment. FIG. 4 is a cross-sectional view showing the structure of an ultrasonic transducer of a related prior art. 20-piezoelectric element, 21-diaphragm, 24-base plate, 24a-spacer member, 25-case member,
41-first elastic plate, 42, 23-second elastic body.
Claims (1)
着されて振動板をベンデイング振動させる圧電素
子と、上記振動板のノードラインに沿つて上記振
動板の表側および裏側にそれぞれ配置されたＯリ
ング状またはシート状の第１弾性体および第２弾
性体と、この第２弾性体の下側に配置され、第２
弾性体と係合する係合部が設けられたベース板と
、上記振動板が露出する上部の開口端部が内側に
屈曲され、上記第１弾性体と係合し、下部の開口
端部が上記ベース板の周縁下部に折曲されたケー
ス部材と、上記ベース板の周縁部上に設けられ、
上記ケース部材の上部開口端部とベース板との距
離を一定に保つスペーサ部材とからなる超音波ト
ランスデユーサ。 A metal diaphragm, a piezoelectric element bonded to the approximate center of the diaphragm for bending vibration of the diaphragm, and an O element arranged on the front and back sides of the diaphragm along the node lines of the diaphragm, respectively. A ring-shaped or sheet-shaped first elastic body and a second elastic body; a second elastic body disposed below the second elastic body;
A base plate provided with an engaging portion that engages with the elastic body, and an upper open end where the diaphragm is exposed are bent inward to engage with the first elastic body, and a lower open end that is bent inward. a case member bent at a lower peripheral edge of the base plate; and a case member provided on the peripheral edge of the base plate,
An ultrasonic transducer comprising a spacer member that maintains a constant distance between the upper opening end of the case member and the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14776388U JPH0718239Y2 (en) | 1988-11-11 | 1988-11-11 | Ultrasonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14776388U JPH0718239Y2 (en) | 1988-11-11 | 1988-11-11 | Ultrasonic transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0268600U true JPH0268600U (en) | 1990-05-24 |
| JPH0718239Y2 JPH0718239Y2 (en) | 1995-04-26 |
Family
ID=31418467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14776388U Expired - Lifetime JPH0718239Y2 (en) | 1988-11-11 | 1988-11-11 | Ultrasonic transducer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0718239Y2 (en) |
-
1988
- 1988-11-11 JP JP14776388U patent/JPH0718239Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0718239Y2 (en) | 1995-04-26 |
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