JPH0270465U - - Google Patents
Info
- Publication number
- JPH0270465U JPH0270465U JP1988150230U JP15023088U JPH0270465U JP H0270465 U JPH0270465 U JP H0270465U JP 1988150230 U JP1988150230 U JP 1988150230U JP 15023088 U JP15023088 U JP 15023088U JP H0270465 U JPH0270465 U JP H0270465U
- Authority
- JP
- Japan
- Prior art keywords
- electrostrictive element
- bellows
- recess
- metal cap
- outer diameter
- 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
- 239000002184 metal Substances 0.000 claims description 13
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 2
- 239000000919 ceramic Substances 0.000 claims 1
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Description
第１図は本考案の電歪効果素子の一実施例の縦
断面図、第２図は従来例の電歪効果素子の縦断面
図である。
１……電歪効果素子、２ａ，２ｂ……リード線
、３……金属キヤツプ、４ａ，４ｂ……リード端
子、５……ベローズ、６……金属部材、７……金
属部材６の凹部、８ａ……金属部材６の円錐形の
凹部、８ｂ……金属部材９の円錐形の凹部、９…
…金属部材、１０……鋼球、１２ａ，１２ｂ……
アクチユエータの取付部材。
FIG. 1 is a vertical cross-sectional view of an embodiment of the electrostrictive effect element of the present invention, and FIG. 2 is a vertical cross-sectional view of a conventional electrostrictive effect element. DESCRIPTION OF SYMBOLS 1... Electrostrictive effect element, 2a, 2b... Lead wire, 3... Metal cap, 4a, 4b... Lead terminal, 5... Bellows, 6... Metal member, 7... Recessed part of metal member 6, 8a...conical recess of metal member 6, 8b...conical recess of metal member 9, 9...
...Metal member, 10... Steel ball, 12a, 12b...
Actuator mounting member.
Claims (1)
に積層された積層体を含む電歪効果素子において
、 前記電歪効果素子の一端に、前記電歪効果素子
の外部電極導体とリード線により接続された一対
のリード端子を有する金属キヤツプが内側底面に
おいて固着され、該金属キヤツプの開口端には、
前記電歪効果素子の他端を越えて延びる筒状のベ
ローズが固着され、前記電歪効果素子の他端には
、一方の面の中央部に円錐形の凹部を、他方の面
の中央部に前記電歪効果素子の外径とほぼ同一の
内径の第２の凹部を有し、ベローズの内径より小
さい第１の金属部材が第２の凹部において被せら
れ、前記金属キヤツプの外径寸法とほぼ同じ大き
さで、一方の面に円錐形の第３の凹部を有する第
２の金属部材が、第２、第３の凹部で挾持された
鋼球を介して第１の金属部材と対向し、かつ前記
ベローズの開口側で前記ベローズと全周に渡り固
着されていることを特徴とする電歪効果素子。[Claims for Utility Model Registration] In an electrostrictive element including a laminate in which piezoelectric ceramic members and internal electrode conductors are alternately laminated, an external electrode conductor of the electrostrictive element is provided at one end of the electrostrictive element. A metal cap having a pair of lead terminals connected by a lead wire is fixed on the inside bottom surface, and the open end of the metal cap has a pair of lead terminals connected by a lead wire.
A cylindrical bellows extending beyond the other end of the electrostrictive element is fixed, and the other end of the electrostrictive element has a conical recess in the center of one surface and a conical recess in the center of the other surface. has a second recess with an inner diameter that is approximately the same as the outer diameter of the electrostrictive element, a first metal member smaller than the inner diameter of the bellows is placed over the second recess, and the outer diameter of the metal cap is the same as the outer diameter of the metal cap. A second metal member having approximately the same size and a third conical recess on one surface faces the first metal member via a steel ball held between the second and third recesses. , and is fixed to the bellows over the entire circumference on the opening side of the bellows.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988150230U JPH0720930Y2 (en) | 1988-11-17 | 1988-11-17 | Electrostrictive effect element |
| US07/432,809 US5113108A (en) | 1988-11-04 | 1989-11-06 | Hermetically sealed electrostrictive actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988150230U JPH0720930Y2 (en) | 1988-11-17 | 1988-11-17 | Electrostrictive effect element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0270465U true JPH0270465U (en) | 1990-05-29 |
| JPH0720930Y2 JPH0720930Y2 (en) | 1995-05-15 |
Family
ID=31423185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988150230U Expired - Lifetime JPH0720930Y2 (en) | 1988-11-04 | 1988-11-17 | Electrostrictive effect element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0720930Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0758370A (en) * | 1993-08-12 | 1995-03-03 | Nec Corp | Piezoelectric actuator |
| CN110745187A (en) * | 2019-11-29 | 2020-02-04 | 江苏徐工工程机械研究院有限公司 | Vehicle with a steering wheel |
-
1988
- 1988-11-17 JP JP1988150230U patent/JPH0720930Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0758370A (en) * | 1993-08-12 | 1995-03-03 | Nec Corp | Piezoelectric actuator |
| CN110745187A (en) * | 2019-11-29 | 2020-02-04 | 江苏徐工工程机械研究院有限公司 | Vehicle with a steering wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0720930Y2 (en) | 1995-05-15 |