JPH0365067U - - Google Patents
Info
- Publication number
- JPH0365067U JPH0365067U JP12631189U JP12631189U JPH0365067U JP H0365067 U JPH0365067 U JP H0365067U JP 12631189 U JP12631189 U JP 12631189U JP 12631189 U JP12631189 U JP 12631189U JP H0365067 U JPH0365067 U JP H0365067U
- Authority
- JP
- Japan
- Prior art keywords
- bellows
- bearing
- piston
- cylindrical body
- liquid
- 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 3
- 238000007789 sealing Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
Landscapes
- Sealing Devices (AREA)
Description
第１図は本考案の一実施例に係る取付け構造を
備えた圧電アクチユエータの断面図、第２図は第
１図のベローズの取付け構造を示す拡大断面図、
第３図はベローズの従来の取付け部造を示す断面
図である。
２……入力ピストン（筒体）、１５……軸受、
１５ａ……出口ポート（ポート）、１６……出力
ピストン（ピストン）、１７……Ｏリング、１８
……ベローズ、１８ａ……底部、１９……液体室
。
FIG. 1 is a sectional view of a piezoelectric actuator equipped with a mounting structure according to an embodiment of the present invention, and FIG. 2 is an enlarged sectional view showing the bellows mounting structure of FIG. 1.
FIG. 3 is a sectional view showing a conventional mounting structure of the bellows. 2...Input piston (cylindrical body), 15...Bearing,
15a...Outlet port (port), 16...Output piston (piston), 17...O ring, 18
...Bellows, 18a...Bottom, 19...Liquid chamber.
Claims (1)
し前記筒体の一端側開口に取り付けられた軸受と
、該軸受のポート内を摺動するピストンと、該ピ
ストンの周りに設けられ、該ピストンと前記液体
室との間を液密状態に密封するベローズと、前記
筒体と前記軸受との間を液密状態に密封するＯリ
ングとを備えた、変位又は動力の伝達機構におい
て、 前記ベローズの一端を閉塞して形成し、該ベロ
ーズで前記ピストンを覆うとともに、該ベローズ
の他端部を前記筒体と前記軸受との間に配置し且
つ前記Ｏリングを前記ベローズの他端部と前記筒
体との間に配置して、ベローズを取り付けたこと
を特徴とするベローズの取付け構造。[Claims for Utility Model Registration] A cylindrical body having a liquid chamber formed therein, a bearing having a port and attached to an opening at one end of the cylindrical body, and a piston sliding within the port of the bearing, A bellows provided around the piston and sealing the piston and the liquid chamber in a liquid-tight state, and an O-ring sealing the cylinder body and the bearing in a liquid-tight state. In the displacement or power transmission mechanism, one end of the bellows is closed, the bellows covers the piston, the other end of the bellows is disposed between the cylindrical body and the bearing, and the bellows is formed by closing one end of the bellows. A bellows mounting structure characterized in that the bellows is mounted by disposing a ring between the other end of the bellows and the cylindrical body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12631189U JPH0365067U (en) | 1989-10-27 | 1989-10-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12631189U JPH0365067U (en) | 1989-10-27 | 1989-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0365067U true JPH0365067U (en) | 1991-06-25 |
Family
ID=31674127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12631189U Pending JPH0365067U (en) | 1989-10-27 | 1989-10-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0365067U (en) |
-
1989
- 1989-10-27 JP JP12631189U patent/JPH0365067U/ja active Pending