JPH0410591U - - Google Patents
Info
- Publication number
- JPH0410591U JPH0410591U JP4822790U JP4822790U JPH0410591U JP H0410591 U JPH0410591 U JP H0410591U JP 4822790 U JP4822790 U JP 4822790U JP 4822790 U JP4822790 U JP 4822790U JP H0410591 U JPH0410591 U JP H0410591U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- bellows
- diaphragm
- small diameter
- diameter part
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Diaphragms And Bellows (AREA)
Description
第１図は本考案によるアクチユエータを示す概
略図、第２図は従来のアクチユエータを示す概略
図である。
１，１１……本体、２，１２……開口部、３…
…小径部、４……大径部、５，２１……空所、６
，１６……ダイアフラム、７，１７……蓋、８，
１８……圧電素子、１０，２０……ベローズ、１
３……孔、１４……凹部、１５……ホルダー、１
９……ロツド。
FIG. 1 is a schematic diagram showing an actuator according to the present invention, and FIG. 2 is a schematic diagram showing a conventional actuator. 1, 11... Main body, 2, 12... Opening, 3...
...Small diameter part, 4...Large diameter part, 5, 21...Vacancy, 6
,16...diaphragm,7,17...lid,8,
18... Piezoelectric element, 10, 20... Bellows, 1
3...hole, 14...recess, 15...holder, 1
9...Rotsud.
Claims (1)
他方が小径部に形成された本体の内部に、一端が
、前記本体の大径部を閉塞する蓋に連結された圧
電素子を配設し、この圧電素子の他端と前記本体
の内壁との間にダイアフラムを配設し、前記本体
の小径部内に、一端が閉塞し、かつ、前記ダイア
フラムの有効面積よりも小さな有効面積を有する
ベローズを配設し、このベローズの開口部他端を
前記本体の小径部の内壁に取付け、さらに、前記
ベローズとダイアフラムとの間で形成された空所
内に流体を封入したことを特徴とするアクチユエ
ータ。 It has a cylindrical shape, and one side has a large diameter part, and
A piezoelectric element whose one end is connected to a lid that closes the large diameter part of the main body is disposed inside the main body, the other end of which is formed in the small diameter part, and the other end of the piezoelectric element is connected to the inner wall of the main body. A diaphragm is disposed in between, and a bellows having one end closed and having an effective area smaller than that of the diaphragm is disposed within the small diameter portion of the main body, and the other end of the bellows is connected to the main body. An actuator, which is attached to an inner wall of a small diameter portion of the actuator, and further includes a fluid sealed in a cavity formed between the bellows and the diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4822790U JPH0410591U (en) | 1990-05-09 | 1990-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4822790U JPH0410591U (en) | 1990-05-09 | 1990-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0410591U true JPH0410591U (en) | 1992-01-29 |
Family
ID=31564848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4822790U Pending JPH0410591U (en) | 1990-05-09 | 1990-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410591U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01144690A (en) * | 1987-11-30 | 1989-06-06 | Ohkura Electric Co Ltd | Laminated piezoelectric actuator |
-
1990
- 1990-05-09 JP JP4822790U patent/JPH0410591U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01144690A (en) * | 1987-11-30 | 1989-06-06 | Ohkura Electric Co Ltd | Laminated piezoelectric actuator |