JPH0243579U - - Google Patents

Description

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

第１図は本考案の電磁切換弁の例の構造を示す
断面図であり、第２図は従来の電磁切換弁の構造
を示す断面図である。 １……ハウジング、２……弁本体、４……第１
弁体、６……第２弁体、７……弁ロツド、８……
電磁アクチユエータ、Ａ……高圧側流路、Ｂ……
作動圧流路、Ｃ……低圧側流路、ａ……弁本体、
ｂ……第１弁座、ｃ……第２弁座、ｄ……弁体。 FIG. 1 is a sectional view showing the structure of an example of the electromagnetic switching valve of the present invention, and FIG. 2 is a sectional view showing the structure of a conventional electromagnetic switching valve. 1...Housing, 2...Valve body, 4...First
Valve body, 6... Second valve body, 7... Valve rod, 8...
Electromagnetic actuator, A...High pressure side flow path, B...
Working pressure flow path, C...low pressure side flow path, a...valve body,
b...first valve seat, c...second valve seat, d...valve body.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ハウジング内に第１接続ポートと作動圧接続ポ
ートと第２接続ポートとを備えて形成された切換
弁取付孔内に、該第１接続ポートに連通する第１
弁室と該第２接続ポートに連通する第２弁室とを
両端部に形成し又該第１弁室と該第２弁室とを軸
線にそつて連絡すると共に該作動圧接続ポートに
連通する連絡孔であつて該第１弁室側終端が第１
弁座をまた該第２弁室側終端が第２弁座を構成す
るものを形成した弁本体を嵌着し、該第１弁室内
に弁ばねにより該第１弁座に向けて付勢された第
１弁体と、該第２弁室内に該第２弁座に対向する
第２弁体と、該連絡孔内に遊設されて両端が前記
弁体のそれぞれに接すると共に前記弁体のいづれ
か一方が弁座に着座するとき他方の弁座への着座
を拒む長さを有する弁ロツドとをそれぞれ該弁本
体内に設け、さらに前記弁取付孔端部にプランジ
ヤばねの付勢力により該第２弁体を押圧して該第
２弁座に着座させうる電磁アクチユエータを備え
たことを特徴とする電磁切換弁。 A first connection port communicating with the first connection port is provided in a switching valve mounting hole formed in the housing with a first connection port, an operating pressure connection port, and a second connection port.
A valve chamber and a second valve chamber communicating with the second connection port are formed at both ends, and the first valve chamber and the second valve chamber communicate with each other along the axis and communicate with the operating pressure connection port. a communicating hole with a terminal end on the first valve chamber side connected to the first valve chamber side;
A valve body whose end on the second valve chamber side forms a second valve seat is fitted into the valve seat, and the valve body is urged toward the first valve seat by a valve spring within the first valve chamber. a first valve body disposed within the second valve chamber and facing the second valve seat; A valve rod having a length that prevents one valve rod from seating on the other valve seat when one of the valve rods is seated on the valve seat is provided in each of the valve bodies, and a valve rod is provided at the end of the valve mounting hole by the biasing force of a plunger spring. An electromagnetic switching valve comprising an electromagnetic actuator capable of pressing two valve bodies to seat them on the second valve seats.