JPH03107580U

JPH03107580U -

Info

Publication number: JPH03107580U
Application number: JP1625190U
Authority: JP
Priority date: 1990-02-22
Filing date: 1990-02-22
Publication date: 1991-11-06

Description

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

第２図は本考案の従来例を示す電磁弁の縦断面
図、第２−ａ図はプランジヤの従来例を示す対称
形の断面図。第１−ａ図は本考案の一実施例でプ
ランジヤ摺動部を一部平取りした非対称形の断面
図、第１−ｂ図は本考案の一実施例でプランジヤ
先端部を一部切欠いた非対称形の断面図。１……シート部材、１ａ……バルブシート部、
２……オリフイス孔、３……ドレン孔、４……軸
受部、５……ヨーク、６……ボビン、７……コイ
ル、８……カバー、９……コアプレート、１０…
…コア、１１……通気孔、１２……シム、１３…
…プランジヤ、１３ａ……プランジヤ油通路孔、
１３ｂ，ｃ，ｄ……プランジヤ非対称形、１４…
…スプリング、１５……ウエーブワツシヤ、１６
……信号線端子、１８……絶縁カバー、１９……
ヘツドカバー、２０……フイルター。 FIG. 2 is a vertical sectional view of a solenoid valve showing a conventional example of the present invention, and FIG. 2-a is a symmetrical sectional view showing a conventional example of a plunger. Figure 1-a is an asymmetric cross-sectional view of an embodiment of the present invention, with the sliding part of the plunger partially cut out, and Figure 1-b is an embodiment of the present invention, with the tip of the plunger partially cut away. A cross-sectional view of an asymmetrical shape. 1... Seat member, 1a... Valve seat part,
2... Orifice hole, 3... Drain hole, 4... Bearing section, 5... Yoke, 6... Bobbin, 7... Coil, 8... Cover, 9... Core plate, 10...
...Core, 11...Vent hole, 12...Shim, 13...
...Plunger, 13a...Plunger oil passage hole,
13b, c, d... Plunger asymmetric type, 14...
... Spring, 15 ... Wave washer, 16
...Signal line terminal, 18...Insulation cover, 19...
Head cover, 20...filter.

Claims

【実用新案登録請求の範囲】１オリフイス、バルブシート部及び軸受部を備
えたシート部材と、前記軸受部に摺動可能に収容
されたプランジヤと、該プランジヤと前記シート
部材とで形成されたバルブ側空間と、前記プラン
ジヤを吸引するコアと、コアの吸引力に抗してプ
ランジヤを閉弁方向に付勢するスプリングとを備
えた電磁弁において、前記プランジヤの磁気摺動
部の円形断面を非対称形としたことを特徴とする
電磁弁。２前記プランジヤの先端部シール面の形状を非
対称形としたことを特徴とする請求項１記載の電
磁弁。[Claims for Utility Model Registration] 1. A seat member including an orifice, a valve seat portion, and a bearing portion, a plunger slidably housed in the bearing portion, and a valve formed by the plunger and the seat member. In a solenoid valve comprising a side space, a core that attracts the plunger, and a spring that biases the plunger in the valve closing direction against the attraction force of the core, the circular cross section of the magnetic sliding part of the plunger is asymmetrical. A solenoid valve characterized by its shape. 2. The electromagnetic valve according to claim 1, wherein the shape of the sealing surface at the tip end of the plunger is asymmetrical.