JPS58191469U

JPS58191469U - four-way valve

Info

Publication number: JPS58191469U
Application number: JP8991582U
Authority: JP
Inventors: 坂本　秀雄
Original assignee: 日本ランコ株式会社
Priority date: 1982-06-16
Filing date: 1982-06-16
Publication date: 1983-12-20

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す四方弁の断面図、第２
図は同上切換弁の要部の拡大断面図、第３図は他の実施
例を示す四方弁の断面図、第４図は同上切換圧力と時間
の関係を示すチャート図、第５図は従来の四方弁の切換
圧力と時間の関係を示すチャート図である。１・・・・・・弁本体、２・・・・・・導入口、３・・
・・・・導出口、４．５・・・・・・通口、６．７・・
・・・・開口部、８・・・・・・切換弁、９・・・・・
・絞り孔、１０．１１・・・・・・ピストン、１２・・
・・・・弁座面、１３・・・・・・摺動弁体、１４．１
５・・・・・・動作遅延作動制御部、１４ａ、１５ａ・
・・・・・毛細管、１４ｂ、１５ｂ・・・・・・流体溜
。Fig. 1 is a sectional view of a four-way valve showing one embodiment of the present invention;
The figure is an enlarged cross-sectional view of the main parts of the switching valve, Figure 3 is a cross-sectional view of a four-way valve showing another embodiment, Figure 4 is a chart showing the relationship between switching pressure and time, and Figure 5 is the conventional one. It is a chart diagram showing the relationship between switching pressure and time of the four-way valve. 1... Valve body, 2... Inlet, 3...
...Outlet, 4.5...Outlet, 6.7...
...Opening, 8...Switching valve, 9...
・Aperture hole, 10.11...Piston, 12...
... Valve seat surface, 13 ... Sliding valve body, 14.1
5... Action delay activation control section, 14a, 15a.
... Capillary tube, 14b, 15b ... Fluid reservoir.

Claims

[Scope of utility model registration request]

(1) An inlet port 2 on the high pressure side and an outlet port 3 on the low pressure side are provided in the center of the valve body 1, and ports 4 and 5 are provided on both sides of the outlet port 3, and ports 4 and 5 are provided on both ends of the valve body 1. Either one of the openings 6.7 opened to the valve body 1 is connected to the valve body 1 through the switching valve 8.
A pair of mutually connected pistons 10°1 having a throttle hole 9 in the valve body 1 and selectively communicating with the outlet port 3 of the valve body 1.
1 is slidably fitted on the valve seat surface 12 in which the outlet port 3 and the through port 4.5 are opened in conjunction with the piston 10° 11, and the outlet port 3 of the valve body 1 A sliding valve body 13 is provided in the valve body 1 for selectively communicating between the openings 6.7 at both ends of the valve body 1 and one of the openings 4 and 5 on both sides. A four-way valve characterized in that an operation delay operation control section 14, 15 is provided between the switching valve 8 and the switching valve 8.

(2) The four-way valve according to claim 1, wherein the delayed operation control portions 14 and 15 are formed of capillary tubes.

(3) The four-way valve according to claim 1, wherein the delayed operation control portions 14 and 15 are formed of fluid reservoirs.