JPS6240308U

JPS6240308U -

Info

Publication number: JPS6240308U
Application number: JP13302185U
Authority: JP
Priority date: 1985-08-30
Filing date: 1985-08-30
Publication date: 1987-03-10

Description

[Brief explanation of the drawing]

図面第１図はこの考案の第１実施例を示す一部
断面図、第２図は第２実施例の一部断面図、第３
〜５図は従来の液圧シリンダを示すもので、第３
図はセンサ保持部の部分の一部断面図、第４図は
上記第３図とは９０度回転させた位置の一部断面
図、第５図はロツドの要部断面図である。１…シリンダチユーブ、２…ロツド、３…シリ
ンダヘツド、１１…磁気センサ、１２…凹溝、１
５，２４…ホルダ。 Figure 1 is a partial sectional view showing the first embodiment of this invention, Figure 2 is a partial sectional view of the second embodiment, and Figure 3 is a partial sectional view of the second embodiment.
~Figure 5 shows a conventional hydraulic cylinder, and the third
The figure is a partial cross-sectional view of the sensor holding portion, FIG. 4 is a partial cross-sectional view of a position rotated 90 degrees from the above-mentioned FIG. 3, and FIG. 5 is a cross-sectional view of the main part of the rod. 1... Cylinder tube, 2... Rod, 3... Cylinder head, 11... Magnetic sensor, 12... Concave groove, 1
5, 24...Holder.

Claims

[Scope of utility model registration request]

A cylinder head is provided at the tip of the rod side of the cylinder tube, and this cylinder head maintains a bearing function, while a magnetic sensor using a Hall element is provided in a holder that is connected to the cylinder head, either integrally or separately. Stroke detection characterized in that the stroke of the rod is detected by detecting the positions of a plurality of concave grooves formed on the rod at intervals of , using the magnetic sensor, and the holder is provided with a bearing part. Hydraulic cylinder with equipment.