JPS62172869U

JPS62172869U -

Info

Publication number: JPS62172869U
Application number: JP6076586U
Authority: JP
Priority date: 1986-04-22
Filing date: 1986-04-22
Publication date: 1987-11-02

Description

[Brief explanation of the drawing]

第１図は本考案を液体混合器に適用した一例の
断面図、第２図は逆止弁の拡大断面図、第３図は
液体混合器の原理を示す概略図、第４図は従来の
逆止弁の弁座形状を示す断面図、第５図は本考案
の逆止弁の弁座形状を示す断面図、第６図は本考
案と従来との差圧力の比較図、第７図、第８図は
本考案の第２、第３実施例の構造図である。Ａ……逆止弁、２０……逆止弁本体、２１……
原液流入口、２３……弁座部材、２３ａ……弁座
、２３ｂ……流入空間、２５……弁体固定具、２
５ａ……流出空間、２６……弁体、２７ａ……流
通孔、２８……リターンスプリング、３０……キ
ヤツプ、３１……流出口。 Fig. 1 is a sectional view of an example of the present invention applied to a liquid mixer, Fig. 2 is an enlarged sectional view of a check valve, Fig. 3 is a schematic diagram showing the principle of the liquid mixer, and Fig. 4 is a conventional one. 5 is a sectional view showing the shape of the valve seat of the check valve; FIG. 5 is a sectional view showing the shape of the valve seat of the check valve of the present invention; FIG. 6 is a comparison diagram of differential pressure between the present invention and the conventional one; FIG. , FIG. 8 is a structural diagram of the second and third embodiments of the present invention. A...Check valve, 20...Check valve body, 21...
Raw solution inlet, 23... Valve seat member, 23a... Valve seat, 23b... Inflow space, 25... Valve body fixture, 2
5a... Outflow space, 26... Valve body, 27a... Distribution hole, 28... Return spring, 30... Cap, 31... Outflow port.

Claims

[Scope of utility model registration request]

A flexible valve body whose periphery is fixed and has a communication hole in the center, a valve seat provided on one side of the valve body and movable into and out of contact with the circumference of the communication hole, and a flexible valve body formed around the valve seat. 1. A check valve comprising: an inflow space that communicates with an inflow port; and an outflow space that communicates with an outflow port and is formed on the opposite side of the inflow space with a valve body in between.