JPS633582U

JPS633582U -

Info

Publication number: JPS633582U
Application number: JP9649486U
Authority: JP
Priority date: 1986-06-24
Filing date: 1986-06-24
Publication date: 1988-01-11

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の縦断面図、第２図
は本考案の他の実施例を示す弁ケースの縦断面図
、第３図は従来の３方向電磁弁の縦断面図を示す
。１は弁口Ａ、２は弁ケース、３はチユーブ、４
は吸引子、５はチヤンバーＡ、６はピン、７はプ
ランジヤー、８はスプリングＡ、１１は弁口Ｂ、
１２はガイド、１５はホルダー、１６はチヤンバ
ーＢ、１７はチヤンバーＣ、１８はボール、１９
はピン部、２１はスライダー、２２はスプリング
Ｂ、２４は連通孔Ａ、２５は電磁弁本体、２６は
電磁弁コイル、２７は下弁座、２８は円錐バネ。 Fig. 1 is a longitudinal sectional view of one embodiment of the present invention, Fig. 2 is a longitudinal sectional view of a valve case showing another embodiment of the invention, and Fig. 3 is a longitudinal sectional view of a conventional three-way solenoid valve. show. 1 is valve port A, 2 is valve case, 3 is tube, 4
is the suction element, 5 is the chamber A, 6 is the pin, 7 is the plunger, 8 is the spring A, 11 is the valve port B,
12 is a guide, 15 is a holder, 16 is a chamber B, 17 is a chamber C, 18 is a ball, 19
21 is a pin portion, 21 is a slider, 22 is a spring B, 24 is a communication hole A, 25 is a solenoid valve body, 26 is a solenoid valve coil, 27 is a lower valve seat, and 28 is a conical spring.

Claims

[Claims for Utility Model Registration] (1) The ball 18 that opens and closes the valve port B of the lower valve seat is moved up and down along the guide 12 in conjunction with the up and down movement of the plunger 7, which has a pin 6 at its tip. Port A2 provided in upper chamber B16
3 or in a three-way solenoid valve that communicates with the port C9 provided above the valve port A1 above the valve case 2, a lower valve seat 27 having a valve port B11 in the center is provided below the ball 18; , a spring A of the plunger 7 is attached to the outer side of the lower valve seat.
8. A three-way solenoid valve characterized in that a conical spring 28 whose force is weaker than 8 is provided and the upper end of this conical spring 28 is arranged so as to be in direct contact with the lower end of the ball 18. (2) The three-way solenoid valve according to claim 1, wherein the outer side of the lower valve seat 27 has a truncated conical shape similar to the conical spring 28.