JPS6055786U

JPS6055786U - Air bleed valve device for reciprocating pump

Info

Publication number: JPS6055786U
Application number: JP14773983U
Authority: JP
Inventors: 千葉　美偉; 君島　正明
Original assignee: 株式会社イワキ
Priority date: 1983-09-26
Filing date: 1983-09-26
Publication date: 1985-04-18
Also published as: JPH018672Y2

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 drawings]

第１図はエアー抜き弁装置を備えた往復動ポンプの概略
図、第２ａ図、２ｂ図、２ａ図は従来構造のエアー抜き
弁装置の拡大説明図、第３ａ図、３ｂ図、３ａ図はこの
考案のエアー抜き弁装置を第２ａ図〜第２ｃ図に対応さ
せて示す説明図、第４図は第３ａ図の４−４線断面図で
ある。１・・・エアー抜き弁装置、１１・・・第１の弁座、１
２・・・第１の弁体、１３・・・第２の弁座、１４・・
・中間弁座部、１５・・・弁孔、１６・・・第３の弁座
、１７・・・第２の弁体。Fig. 1 is a schematic diagram of a reciprocating pump equipped with an air bleed valve device, Figs. 2a, 2b, and 2a are enlarged explanatory views of a conventional air bleed valve device; Figs. 3a, 3b, and 3a are An explanatory view showing the air bleed valve device of this invention corresponding to FIGS. 2a to 2c, and FIG. 4 is a sectional view taken along the line 4-4 of FIG. 3a. 1... Air bleed valve device, 11... First valve seat, 1
2...First valve body, 13...Second valve seat, 14...
- Intermediate valve seat portion, 15... Valve hole, 16... Third valve seat, 17... Second valve body.

Claims

[Scope of utility model registration request]

(1) In order to release the air present in the pressure chamber by utilizing the pulsating flow that occurs in the fluid pressure chamber during the discharge stroke and suction stroke of the pump, a first valve body and second valve bodies provided on both sides of the first valve body are used. first and second valve seats, a second valve body,
a third valve seat for the second valve body;
and a third valve seat is formed at each opening end of a valve hole of an intermediate valve seat portion having a valve hole. and a second valve body, an intermediate member is disposed within the valve hole of the intermediate valve seat portion, and the one valve body contacts the corresponding second or third valve seat to close the valve hole. 1. An air bleed valve device characterized in that the other valve body is separated from the corresponding second or third valve seat via the intermediate member.

(2) The intermediate member is partially located within the valve hole even when the first valve body is in contact with the first valve seat. Air bleed valve device.

(3) The air bleed valve device according to claim 1 or 2, wherein the length of the intermediate member is greater than the length of the valve hole.