JPS61206104U - - Google Patents
Info
- Publication number
- JPS61206104U JPS61206104U JP9075385U JP9075385U JPS61206104U JP S61206104 U JPS61206104 U JP S61206104U JP 9075385 U JP9075385 U JP 9075385U JP 9075385 U JP9075385 U JP 9075385U JP S61206104 U JPS61206104 U JP S61206104U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder tube
- piston
- cylinder
- tube
- magnetic
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 229910000828 alnico Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Actuator (AREA)
Description
第１図は本考案の縦断面図、第２図は第１図Ａ
―Ａ断面図、第３図は第２図のＢ―Ｂ断面図、第
４図は磁界の状態を示す図、第５，６，７図は他
の実施例である。
１……シリンダチユーブ、２ａ……シリンダチ
ユーブ内面、３……ピストン、７……鋼板、８，
９，１０，１１……永久磁石（アルニコ棒磁石）
。
Figure 1 is a longitudinal sectional view of the present invention, Figure 2 is Figure 1A
-A sectional view, FIG. 3 is a BB sectional view of FIG. 2, FIG. 4 is a diagram showing the state of the magnetic field, and FIGS. 5, 6, and 7 are other embodiments. 1... Cylinder tube, 2a... Cylinder tube inner surface, 3... Piston, 7... Steel plate, 8,
9, 10, 11...Permanent magnet (Alnico bar magnet)
.
Claims (1)
装すると共にピストンとシリンダチユーブの相対
回動を阻止するように構成された流体圧シリンダ
において、シリンダチユーブとピストンを夫々非
磁性体で構成し、前記ピストンには少なくとも一
対の永久磁石を、夫々一方の磁極をシリンダチユ
ーブ内面と対向させてピストン軸方向に所定間隔
において一体的に並設し、これらの永久磁石の相
対する磁極の極性を逆にしてシリンダチユーブ内
面と対向しない磁極相互を鋼板で接続し、シリン
ダチユーブ内面と相対する磁極間に生じる磁力に
より作動する磁気感応スイツチをシリンダチユー
ブ外側に配設して成ることを特徴とする位置検出
装置付流体圧シリンダ。 In a fluid pressure cylinder configured to slidably fit a piston into a cylinder tube and prevent relative rotation between the piston and the cylinder tube, the cylinder tube and the piston are each made of a non-magnetic material, and the piston At least one pair of permanent magnets are integrally arranged in parallel at a predetermined interval in the axial direction of the piston, with one magnetic pole facing the inner surface of the cylinder tube, and the opposite polarities of the opposing magnetic poles of these permanent magnets are reversed to form a cylinder. A fluid with a position detection device, characterized in that magnetic poles that do not face the inner surface of the tube are connected to each other by a steel plate, and a magnetically sensitive switch that is operated by the magnetic force generated between the inner surface of the cylinder tube and the magnetic poles that faces the cylinder tube is arranged on the outside of the cylinder tube. pressure cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985090753U JPH0425525Y2 (en) | 1985-06-14 | 1985-06-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985090753U JPH0425525Y2 (en) | 1985-06-14 | 1985-06-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61206104U true JPS61206104U (en) | 1986-12-26 |
| JPH0425525Y2 JPH0425525Y2 (en) | 1992-06-18 |
Family
ID=30646025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985090753U Expired JPH0425525Y2 (en) | 1985-06-14 | 1985-06-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0425525Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61200908U (en) * | 1985-06-06 | 1986-12-16 |
-
1985
- 1985-06-14 JP JP1985090753U patent/JPH0425525Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61200908U (en) * | 1985-06-06 | 1986-12-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0425525Y2 (en) | 1992-06-18 |