JPH0318668U - - Google Patents
Info
- Publication number
- JPH0318668U JPH0318668U JP7644689U JP7644689U JPH0318668U JP H0318668 U JPH0318668 U JP H0318668U JP 7644689 U JP7644689 U JP 7644689U JP 7644689 U JP7644689 U JP 7644689U JP H0318668 U JPH0318668 U JP H0318668U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder part
- liquid seal
- piston
- seal part
- pressing parts
- 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
- 239000007788 liquid Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 2
Landscapes
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Description
第１図は本考案のリニアアクチユエータの一実
施例を示す縦断面図、第２図は第１図の−線
視断面図、第３図は第１図の−線視断面図、
第４図は本考案の他の実施例における押圧部の側
面図、第５図はさらに別の実施例の液封部の縦断
面図である。
１……ケーシング、２……シリンダ（部）、３
……ピストン、６……スプリング、１０……チユ
ーブ（液封部）、１１……作動液、１２……直動
ソレノイド（駆動器）、１５……コイル、１６…
…駆動軸、１７……押圧板（部）、２０，２１，
２２……第１〜第３押圧板（部）、３０……液封
部の蛇腹状部分。
FIG. 1 is a longitudinal sectional view showing an embodiment of the linear actuator of the present invention, FIG. 2 is a sectional view taken along the - line in FIG. 1, and FIG. 3 is a sectional view taken along the - line in FIG. 1.
FIG. 4 is a side view of a pressing portion in another embodiment of the present invention, and FIG. 5 is a longitudinal sectional view of a liquid sealing portion in yet another embodiment. 1...Casing, 2...Cylinder (part), 3
... Piston, 6 ... Spring, 10 ... Tube (liquid seal), 11 ... Hydraulic fluid, 12 ... Direct acting solenoid (driver), 15 ... Coil, 16 ...
...Drive shaft, 17...Press plate (part), 20, 21,
22...First to third press plates (parts), 30... Bellows-shaped portion of the liquid sealing portion.
Claims (1)
璧に沿つて気密的かつ軸方向摺動可能に設けられ
た一端が前記シリンダ部の一端から突出したピス
トンと、前記シリンダ部の他端に気密的に連結さ
れ変形可能な袋状をなし前記ピストンとの間に気
泡なく作動液が満たされた液封部と、この液封部
の外面に当接された押圧部を駆動して前記液封部
を圧縮しうる駆動器とを具備したことを特徴とす
るリニアアクチユエータ。 (2) 筒状のシリンダ部と、このシリンダ部の内
璧に沿つて気密的かつ軸方向摺動可能に設けられ
一端が前記シリンダ部の一端から突出したピスト
ンと、前記シリンダ部の他端に気密的に連結され
変形可能な袋状をなし前記ピストンとの間に気泡
なく作動液が満たされた液封部と、この液封部の
外面に液封部の長手方向に並んで個別に当接され
た複数の押圧部と、これら押圧部をそれぞれ駆動
して前記液封部を圧縮しうる複数の駆動器とを具
備したことを特徴とするリニアアクチユエータ。 (3) 前記個々の押圧部の液封部に対する当接面
積は、小さいほうから順に２＾Ｎ（ただしＮ＝０
，１，２…）の数列比となるように形成されてい
ることを特徴とする第２項記載のリニアアクチユ
エータ。[Claims for Utility Model Registration] (1) A cylindrical cylinder part, and a piston with one end protruding from one end of the cylinder part, which is provided to be airtight and slidable in the axial direction along the inner wall of the cylinder part. a liquid seal part airtightly connected to the other end of the cylinder part and having a deformable bag shape and filled with working fluid without air bubbles between the liquid seal part and the piston; A linear actuator comprising: a driver capable of compressing the liquid seal portion by driving the pressing portion. (2) A cylindrical cylinder part, a piston that is provided to be airtight and slidable in the axial direction along the inner wall of the cylinder part and has one end protruding from one end of the cylinder part, and a piston that is provided at the other end of the cylinder part. A liquid seal part that is airtightly connected and has a deformable bag shape and is filled with working fluid without air bubbles between it and the piston; A linear actuator comprising: a plurality of pressing parts in contact with each other; and a plurality of drivers capable of driving the pressing parts, respectively, to compress the liquid seal part. (3) The contact area of each of the pressing parts to the liquid seal part is 2^N (however, N=0) in order from the smallest to the smallest.
, 1, 2, . . . ).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7644689U JPH0318668U (en) | 1989-06-29 | 1989-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7644689U JPH0318668U (en) | 1989-06-29 | 1989-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0318668U true JPH0318668U (en) | 1991-02-25 |
Family
ID=31617921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7644689U Pending JPH0318668U (en) | 1989-06-29 | 1989-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0318668U (en) |
-
1989
- 1989-06-29 JP JP7644689U patent/JPH0318668U/ja active Pending
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