JPH01122572U

JPH01122572U -

Info

Publication number: JPH01122572U
Application number: JP1850788U
Authority: JP
Priority date: 1988-02-15
Filing date: 1988-02-15
Publication date: 1989-08-21

Description

[Brief explanation of the drawing]

図面第１〜４図はこの考案の実施例を示すもの
で、第１図は第１実施例の断面図、第２図は第２
実施例の断面図、第３図は第３実施例の断面図、
第４図は第４実施例の断面図、第５図は従来の電
磁切換弁の断面図である。１……ソレノイドボデイ、２……電磁体、３…
…鉄心、δ……すき間、６……プランジヤ、９…
…スプール、１１……スリーブ、１９……環状溝
、１８，２０，２１，２４……非磁性部材。 Figures 1 to 4 show an embodiment of this invention. Figure 1 is a sectional view of the first embodiment, and Figure 2 is a sectional view of the second embodiment.
A sectional view of the embodiment, FIG. 3 is a sectional view of the third embodiment,
FIG. 4 is a sectional view of the fourth embodiment, and FIG. 5 is a sectional view of a conventional electromagnetic switching valve. 1... Solenoid body, 2... Electromagnetic body, 3...
...Iron core, δ...Gap, 6...Plunger, 9...
... Spool, 11 ... Sleeve, 19 ... Annular groove, 18, 20, 21, 24 ... Nonmagnetic member.

補正平１．５．１５実用新案登録請求の範囲を次のように補正する
。Amendment May 15, 2001 The scope of claims for utility model registration is amended as follows.

【実用新案登録請求の範囲】 (1) ソレノイドボデイに嵌着した電磁体と、こ
の電磁体に嵌着した鉄心と、電磁体との間に外周
すき間を保持して内装したプランジヤと、ノーマ
ル状態でプランジヤに当接するスリーブと、上記
プランジヤの一側に嵌着したスプールとを設け、
電磁体に通電したときに、プランジヤ嵌着したス
プールを切り換えるようにした電磁切換弁におい
て、プランジヤとスリーブとの間に発生する吸着
力を遮断する非磁性部材を設けた電磁切換弁。 (2) スリーブとプランジヤとが当接するいずれ
か一方の側面に、非磁性部材を設けた第１項記載
の電磁切換弁。 (3) プランジヤと対応するスリーブのスカート
部に、非磁性部材を介在させた第１項記載の電磁
切換弁。 (4) スリーブと対応するプランジヤのスカート
部に環状溝を形成し、この環状溝の底部に非磁性
部材を介在させた第１項記載の電磁切換弁。[Scope of Claim for Utility Model Registration] (1) An electromagnetic body fitted to a solenoid body, an iron core fitted to this electromagnetic body, a plunger that is installed internally with a peripheral gap maintained between the electromagnetic body, and a normal state. a sleeve that abuts the plunger, and a spool fitted to one side of the plunger,
An electromagnetic switching valve that switches a spool fitted with a plunger when an electromagnetic body is energized, and is provided with a non-magnetic member that blocks the attraction force generated between the plunger and the sleeve. (2) The electromagnetic switching valve according to item 1, wherein a non-magnetic member is provided on one side where the sleeve and the plunger abut. (3) The electromagnetic switching valve according to item 1, wherein a non-magnetic member is interposed in the skirt portion of the sleeve corresponding to the plunger. (4) The electromagnetic switching valve according to item 1, wherein an annular groove is formed in the skirt portion of the plunger corresponding to the sleeve, and a non-magnetic member is interposed at the bottom of the annular groove.

Claims

[Scope of Claim for Utility Model Registration] (1) An electromagnetic body fitted to a solenoid body, an iron core fitted to this electromagnetic body, a plunger that is installed internally with a peripheral gap maintained between the electromagnetic body, and a normal state. a sleeve that abuts the plunger, and a spool fitted to one side of the plunger,
An electromagnetic switching valve that switches a spool fitted on a plunger when an electromagnetic body is energized, and is provided with a non-magnetic member that interrupts a magnetic circuit formed by a plunger and a sleeve. (2) The electromagnetic switching valve according to item 1, wherein a non-magnetic member is provided on one side where the sleeve and the plunger abut. (3) The electromagnetic switching valve according to item 1, wherein a non-magnetic member is interposed in the skirt portion of the sleeve corresponding to the plunger. (4) The electromagnetic switching valve according to item 1, wherein an annular groove is formed in the skirt portion of the plunger corresponding to the sleeve, and a non-magnetic member is interposed at the bottom of the annular groove.