JPS63171773U

JPS63171773U -

Info

Publication number: JPS63171773U
Application number: JP6407787U
Authority: JP
Priority date: 1987-04-30
Filing date: 1987-04-30
Publication date: 1988-11-08
Also published as: JPH0448389Y2

Description

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

第１図は本考案の一実施例を示す断面図、第２
図は本考案に使用したバルブシールの一例を示す
平面図、第３図は第２図のＡ―Ａ′線に沿う断面
図、第４図は第３図のＢ―Ｂ′線に沿う断面図、
第５図は本考案の他の実施例を示す断面図である
。２６…プラグ、２６ｃ…軸筒部、２９…連通孔
、３０…オリフイス、３４…プランジヤ室、３５
…プランジヤ、３７…凹孔、３９…オイルダンパ
室。 Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a plan view showing an example of the valve seal used in the present invention, Figure 3 is a sectional view taken along line A-A' in Figure 2, and Figure 4 is a cross-sectional view taken along line B-B' in Figure 3. figure,
FIG. 5 is a sectional view showing another embodiment of the present invention. 26... Plug, 26c... Shaft cylinder part, 29... Communication hole, 30... Orifice, 34... Plunger chamber, 35
...plunger, 37...recessed hole, 39...oil damper chamber.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

内部に作動油を収容し、かつ一端を閉塞したプ
ランジヤ室内にプランジヤを摺動可能に収容し、
上記プランジヤを電磁力で駆動させるようにした
油浸型電磁弁において、前記プランジヤの一端に
凹孔を設けるとともにプランジヤ室の一端にプラ
グを配設し、該プラグに油源に連通する連通孔を
形成した軸筒部を突設し、該軸筒部に前記凹孔を
摺動可能に嵌合して、前記プランジヤ室の一端に
前記軸筒部の外周と前記プランジヤの凹孔周辺の
端面とで区画される環状のオイルダンパ室を形成
し、かつこのオイルダンパ室を前記軸筒部に設け
たオリフイスを介して前記連通孔に連通させたこ
とを特徴とする油浸型電磁弁。 A plunger is slidably accommodated in a plunger chamber which contains hydraulic oil and has one end closed,
In the oil-immersed solenoid valve in which the plunger is driven by electromagnetic force, a concave hole is provided at one end of the plunger, a plug is disposed at one end of the plunger chamber, and the plug has a communication hole communicating with an oil source. The formed shaft cylinder part is provided protrudingly, and the recessed hole is slidably fitted into the shaft cylinder part, and the outer periphery of the shaft cylinder part and the end surface around the recessed hole of the plunger are connected to one end of the plunger chamber. 1. An oil-immersed solenoid valve characterized in that an annular oil damper chamber is formed and the oil damper chamber is communicated with the communication hole through an orifice provided in the shaft cylinder portion.