JPS61123910U - - Google Patents

Info

Publication number
JPS61123910U
JPS61123910U JP643585U JP643585U JPS61123910U JP S61123910 U JPS61123910 U JP S61123910U JP 643585 U JP643585 U JP 643585U JP 643585 U JP643585 U JP 643585U JP S61123910 U JPS61123910 U JP S61123910U
Authority
JP
Japan
Prior art keywords
piston
permanent magnet
cylinder
fluid pressure
utility
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
Application number
JP643585U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP643585U priority Critical patent/JPS61123910U/ja
Publication of JPS61123910U publication Critical patent/JPS61123910U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図、第２図は従来のピストン位置検出装置
における永久磁石と磁電変換素子との関係を示す
簡略説明図。第３図は本考案実施例の側面図。第
４図は第３図の部分断面拡大図。第５図は位置検
出装置の回路図である。 （符号の説明）ａ……磁電変換素子、ｂ……永
久磁石、１……シリンダ、２……ピストン、３…
…ピストンロツド、４……ピストンパツキン、５
……永久磁石、６，７……位置検出装置、８……
基板、９……磁電変換素子、１０……抵抗、１１
……ダイオード、１３……発光ダイオード、１４
……リード線、１５……端子、１６……負荷、１
７，１８……磁性体、１９……増巾装置。 1 and 2 are simplified explanatory diagrams showing the relationship between a permanent magnet and a magnetoelectric conversion element in a conventional piston position detection device. FIG. 3 is a side view of the embodiment of the present invention. FIG. 4 is an enlarged partial cross-sectional view of FIG. 3. FIG. 5 is a circuit diagram of the position detection device. (Explanation of symbols) a...Magnetoelectric conversion element, b...Permanent magnet, 1...Cylinder, 2...Piston, 3...
...Piston rod, 4...Piston seal, 5
...Permanent magnet, 6,7...Position detection device, 8...
Substrate, 9... Magnetoelectric conversion element, 10... Resistor, 11
... Diode, 13 ... Light emitting diode, 14
... Lead wire, 15 ... Terminal, 16 ... Load, 1
7, 18...Magnetic material, 19...Width increasing device.

Claims (1)

【実用新案登録請求の範囲】 (1) 非磁性体のシリンダに摺動自在に嵌合した
ピストンに永久磁石を装着すると共に、上記シリ
ンダの外側面における所望の位置に磁束に感応す
る磁電変換素子を取付けた流体圧シリンダのピス
トン位置検出装置において、前記ピストンに装着
する磁石を、前記ピストンの半径方向に磁化した
永久磁石としたことを特徴とする流体圧シリンダ
のピストン位置検出装置。 (2) ピストンに装着する永久磁石の外径側およ
び磁電変換素子の上面側に磁性体を密着固定した
ことを特徴とする実用新案登録請求の範囲第１項
に記載の流体圧シリンダのピストン位置検出装置
。 (3) ピストンに装着する永久磁石の外径側また
は磁電変換素子の上面側のどちらか一方に磁性体
を密着固定したことを特徴とする実用新案登録請
求の範囲第１項に記載の流体圧シリンダのピスト
ン位置検出装置。[Claims for Utility Model Registration] (1) A permanent magnet is attached to a piston that is slidably fitted into a non-magnetic cylinder, and a magnetoelectric transducer that is sensitive to magnetic flux is placed at a desired position on the outer surface of the cylinder. A piston position detecting device for a fluid pressure cylinder equipped with a piston position detecting device for a fluid pressure cylinder, characterized in that a magnet attached to the piston is a permanent magnet magnetized in a radial direction of the piston. (2) The piston position of the fluid pressure cylinder according to claim 1 of the utility model registration claim, characterized in that a magnetic material is closely fixed to the outer diameter side of the permanent magnet attached to the piston and to the upper surface side of the magnetoelectric conversion element. Detection device. (3) The fluid pressure according to claim 1 of the utility model registration claim, characterized in that a magnetic material is closely fixed to either the outer diameter side of a permanent magnet attached to a piston or the upper surface side of a magnetoelectric conversion element. Cylinder piston position detection device.
JP643585U 1985-01-21 1985-01-21 Pending JPS61123910U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP643585U JPS61123910U (en) 1985-01-21 1985-01-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP643585U JPS61123910U (en) 1985-01-21 1985-01-21

Publications (1)

Publication Number Publication Date
JPS61123910U true JPS61123910U (en) 1986-08-04

Family

ID=30483870

Family Applications (1)

Application Number Title Priority Date Filing Date
JP643585U Pending JPS61123910U (en) 1985-01-21 1985-01-21

Country Status (1)

Country Link
JP (1) JPS61123910U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0333344U (en) * 1989-08-07 1991-04-02
JP2006214736A (en) * 2005-02-01 2006-08-17 Konica Minolta Opto Inc Driving device
JP2006226909A (en) * 2005-02-18 2006-08-31 Komatsu Ltd Position measurement apparatus for cylinder
WO2016031261A1 (en) * 2014-08-26 2016-03-03 Tdk株式会社 Magnetic position detection device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0333344U (en) * 1989-08-07 1991-04-02
JP2006214736A (en) * 2005-02-01 2006-08-17 Konica Minolta Opto Inc Driving device
JP4600060B2 (en) * 2005-02-01 2010-12-15 コニカミノルタオプト株式会社 Drive device
JP2006226909A (en) * 2005-02-18 2006-08-31 Komatsu Ltd Position measurement apparatus for cylinder
WO2016031261A1 (en) * 2014-08-26 2016-03-03 Tdk株式会社 Magnetic position detection device

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