JPH0266098U - - Google Patents
Info
- Publication number
- JPH0266098U JPH0266098U JP14614788U JP14614788U JPH0266098U JP H0266098 U JPH0266098 U JP H0266098U JP 14614788 U JP14614788 U JP 14614788U JP 14614788 U JP14614788 U JP 14614788U JP H0266098 U JPH0266098 U JP H0266098U
- Authority
- JP
- Japan
- Prior art keywords
- matching layer
- acoustic matching
- back surface
- buffer member
- peripheral portion
- 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
- 239000003566 sealing material Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Ultra Sonic Daignosis Equipment (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
第１図ないし第４図は本考案の実施例に係り、
第１図は本考案の縦断面図、第２図は他の実施例
における第１図相当図、第３図は第２図に示すも
のの組み立て方法を説明する斜視図、第４図Ａ，
Ｂ，Ｃは緩衝部材の変形例を示す断面図である。
第５図は従来例を示す第１図相当図である。
１……超音波センサ、２……一端開口、３……
内向きフランジ、４……ケース、５……超音波振
動子、６……緩衝部材、７……音響整合層、８…
…固定部材、９……第１弾性シール材、１０，３
０……第２弾性シール材、１９……位置決め用突
起。
1 to 4 relate to embodiments of the present invention,
Fig. 1 is a longitudinal sectional view of the present invention, Fig. 2 is a view corresponding to Fig. 1 in another embodiment, Fig. 3 is a perspective view illustrating the assembly method of what is shown in Fig. 2, Fig. 4A,
B and C are cross-sectional views showing modified examples of the buffer member.
FIG. 5 is a diagram corresponding to FIG. 1 showing a conventional example. 1...Ultrasonic sensor, 2...One end opening, 3...
Inward flange, 4... Case, 5... Ultrasonic vibrator, 6... Buffer member, 7... Acoustic matching layer, 8...
...Fixing member, 9...First elastic sealing material, 10, 3
0...Second elastic sealing material, 19...Positioning protrusion.
Claims (1)
きフランジを有するケーシング内に、音響整合層
がその前面周囲部を前記フランジの背面に相対す
るように設けられ、前記音響整合層の背面に超音
波振動子が固定されて設けられ、さらに前記超音
波振動子の背面に緩衝部材が固定されて設けられ
るとともに、前記音響整合層の背面周囲部が、前
記緩衝部材に被嵌されて設けられる筒状の固定部
材の前端面により押圧固定され、かつ、前記フラ
ンジの背面と前記音響整合層の前面周囲部との間
に第１弾性シール材が、前記音響整合層の背面周
囲部と前記固定部材の前端面との間に第２弾性シ
ール材が設けられてなる超音波センサ。 (2) 前記緩衝部材が外周面に、前記固定部材の
内周面に圧接して前記緩衝部材の位置決めをする
位置決め用突起を備えてなる請求項(1)に記載の
超音波センサ。[Claims for Utility Model Registration] (1) A casing that is cylindrical and open at both ends and has an inward flange at one end, and an acoustic matching layer with its front peripheral portion facing the back surface of the flange. an ultrasonic transducer is fixedly provided on the back surface of the acoustic matching layer; a buffer member is fixedly provided on the back surface of the ultrasonic transducer; A first elastic sealing material is pressed and fixed by a front end surface of a cylindrical fixing member provided to be fitted over the buffer member, and is between a back surface of the flange and a front peripheral portion of the acoustic matching layer. An ultrasonic sensor comprising a second elastic sealing material provided between a rear peripheral portion of the acoustic matching layer and a front end surface of the fixing member. (2) The ultrasonic sensor according to claim 1, wherein the buffer member has a positioning protrusion on its outer circumferential surface that presses against the inner circumferential surface of the fixing member to position the buffer member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988146147U JPH0811006Y2 (en) | 1988-11-09 | 1988-11-09 | Ultrasonic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988146147U JPH0811006Y2 (en) | 1988-11-09 | 1988-11-09 | Ultrasonic sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0266098U true JPH0266098U (en) | 1990-05-18 |
| JPH0811006Y2 JPH0811006Y2 (en) | 1996-03-29 |
Family
ID=31415365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988146147U Expired - Lifetime JPH0811006Y2 (en) | 1988-11-09 | 1988-11-09 | Ultrasonic sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0811006Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007003443A (en) * | 2005-06-27 | 2007-01-11 | National Institute Of Advanced Industrial & Technology | Abnormal state detection method and sheet-like piezoelectric sensor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6346140A (en) * | 1986-08-14 | 1988-02-27 | 松下電器産業株式会社 | Ultrasonic probe |
| JPS63105860U (en) * | 1986-12-26 | 1988-07-08 |
-
1988
- 1988-11-09 JP JP1988146147U patent/JPH0811006Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6346140A (en) * | 1986-08-14 | 1988-02-27 | 松下電器産業株式会社 | Ultrasonic probe |
| JPS63105860U (en) * | 1986-12-26 | 1988-07-08 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007003443A (en) * | 2005-06-27 | 2007-01-11 | National Institute Of Advanced Industrial & Technology | Abnormal state detection method and sheet-like piezoelectric sensor |
| JP4674363B2 (en) * | 2005-06-27 | 2011-04-20 | 独立行政法人産業技術総合研究所 | Abnormal state detection method and sheet-like piezoelectric sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0811006Y2 (en) | 1996-03-29 |