JPS6413644U - - Google Patents

Description

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

第１図はこの考案の一実施例を示す断面図、第
２図は液圧操作装置の構成図、第３図は従来のパ
イロツト弁の断面図である。 図中、２０はブロツク、２１は高圧液室、２３
は低圧液室、２４は弁座、２５は第１の圧縮ばね
、２６は弁体、２７はプツシユロツド、２８は可
動鉄心、２９は固定鉄心、３０はコイル、３１は
第２の圧縮ばね、３５はＯリング、４０はカバー
、４１はフランジである。 FIG. 1 is a sectional view showing an embodiment of this invention, FIG. 2 is a configuration diagram of a hydraulic operating device, and FIG. 3 is a sectional view of a conventional pilot valve. In the figure, 20 is a block, 21 is a high pressure liquid chamber, 23
24 is a low pressure liquid chamber, 24 is a valve seat, 25 is a first compression spring, 26 is a valve body, 27 is a push rod, 28 is a movable iron core, 29 is a fixed iron core, 30 is a coil, 31 is a second compression spring, 35 is an O-ring, 40 is a cover, and 41 is a flange.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ブロツク内に形成された高圧液室及びこれに連
通する低圧液室、この両液室間を開閉する弁体、
上記低圧室に連通し、外気から密封された空間を
形成するカバー、このカバー内に配置され、上記
弁体を操作する可動鉄心、及び上記カバーを隔て
た外部に設けられ、カバー外部から上記可動鉄心
を制御するコイル及び固定鉄心を備えたことを特
徴とする液圧操作装置のパイロツト弁。 A high-pressure liquid chamber formed in the block, a low-pressure liquid chamber communicating therewith, a valve body for opening and closing between the two liquid chambers,
A cover that communicates with the low pressure chamber and forms a space sealed from the outside air, a movable iron core that is placed inside the cover and operates the valve body, and a movable iron core that is provided outside the cover and that is movable from the outside of the cover. A pilot valve of a hydraulic operating device characterized by being equipped with a coil for controlling an iron core and a fixed iron core.