JPH03201U - - Google Patents
Info
- Publication number
- JPH03201U JPH03201U JP6056789U JP6056789U JPH03201U JP H03201 U JPH03201 U JP H03201U JP 6056789 U JP6056789 U JP 6056789U JP 6056789 U JP6056789 U JP 6056789U JP H03201 U JPH03201 U JP H03201U
- Authority
- JP
- Japan
- Prior art keywords
- metal block
- electrostrictive element
- nut member
- vibrator
- metal
- 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
Links
- 239000002184 metal Substances 0.000 claims description 7
- 238000003475 lamination Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Description
第１図は本考案の第１実施例の断面を示す説明
図、第２図ａはそのナツトを一部破断して示す斜
視図、第２図ｂはそのＢ−Ｂ断面図、第３図は第
２実施例の断面図、第４図は第３実施例の断面図
、第５図は第４実施例の断面図、第６図は従来例
を示す説明図である。
１……ランジユバン型振動子、２……圧電素子
、３……電極板、５ａ，３２，４１，５１……上
部金属ブロツク、６……ボルト、７，３０，４０
，５０……ナツト、１７……内側押圧部、１９，
３５……凸状部、３３，４２……溝、５２……環
状部材。
Fig. 1 is an explanatory diagram showing a cross section of the first embodiment of the present invention, Fig. 2a is a perspective view showing a partially broken nut, Fig. 2b is a sectional view taken along line B-B, and Fig. 3 4 is a sectional view of the second embodiment, FIG. 4 is a sectional view of the third embodiment, FIG. 5 is a sectional view of the fourth embodiment, and FIG. 6 is an explanatory diagram showing a conventional example. DESCRIPTION OF SYMBOLS 1... Languevan type vibrator, 2... Piezoelectric element, 3... Electrode plate, 5a, 32, 41, 51... Upper metal block, 6... Bolt, 7, 30, 40
, 50... Nut, 17... Inner pressing part, 19,
35... Convex portion, 33, 42... Groove, 52... Annular member.
Claims (1)
一対の金属ブロツクを備え、前記電歪要素及び金
属ブロツクの中心部に配置された締結ボルトと該
締結ボルトに螺合して金属ブロツクを押圧するナ
ツト部材とによつて、前記電歪要素及び金属ブロ
ツクをその積層方向に締め付けて一体に形成した
ランジユバン型振動子において、 前記ナツト部材と金属ブロツクとの押圧面の外
周部側に、前記積層方向に張り出す凸状部を設け
たことを特徴とするランジユバン型振動子。[Claims for Utility Model Registration] A pair of metal blocks are provided on both end faces of an electrostrictive element consisting of a piezoelectric element and an electrode, and a fastening bolt disposed at the center of the electrostrictive element and the metal block; In a lunge-type vibrator in which the electrostrictive element and the metal block are integrally formed by tightening the electrostrictive element and the metal block in the stacking direction by a nut member that is screwed together and presses the metal block, the pressing surface of the nut member and the metal block is A Languevent type vibrator, characterized in that a convex portion projecting in the lamination direction is provided on the outer peripheral side of the vibrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6056789U JPH03201U (en) | 1989-05-25 | 1989-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6056789U JPH03201U (en) | 1989-05-25 | 1989-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03201U true JPH03201U (en) | 1991-01-07 |
Family
ID=31588043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6056789U Pending JPH03201U (en) | 1989-05-25 | 1989-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03201U (en) |
-
1989
- 1989-05-25 JP JP6056789U patent/JPH03201U/ja active Pending