JPS5856256U

JPS5856256U - On-off valve

Info

Publication number: JPS5856256U
Application number: JP15202781U
Authority: JP
Inventors: 杉本　寿治
Original assignee: 阪神溶接機材株式会社
Priority date: 1981-10-12
Filing date: 1981-10-12
Publication date: 1983-04-16

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１〜６図は従来のバタフライ式開閉ダンパを示すもの
で第１．４図は概略横断面図、第２．３図は第１図の■
−■線及び■−■線断面図、第５゜６図は第４図の■−
■線及びＶｌ−Ｖｌ線断面図、第７図は本考案の実施例
を示す概略縦断面図、第８−〜１１図は弁座と内体との
圧接部を拡大して示す要部断面図である噌１・・・ダク〜ト、３・・・板状ダンパ、６・・・流体
流路、８・・・弁座、９・・・弁体、８ａ・・・圧接面
、１０・・・旋回軸、１１・・・レバー、１２・・・シ
リンダ、１３・・・ロッド。第５図第６図Figures 1 to 6 show a conventional butterfly-type opening/closing damper. Figure 1.4 is a schematic cross-sectional view, and Figure 2.3 is the same as in Figure 1.
- ■ line and ■ - ■ line sectional view, Figure 5゜6 is Figure 4 ■ -
Figure 7 is a schematic vertical cross-sectional view showing an embodiment of the present invention, Figures 8-11 are cross-sectional views of main parts showing enlarged pressure contact parts between the valve seat and the inner body. Figure 1: Duct, 3: Plate damper, 6: Fluid flow path, 8: Valve seat, 9: Valve body, 8a: Pressure contact surface, 10 ...Swivel axis, 11...Lever, 12...Cylinder, 13...Rod. Figure 5 Figure 6

Claims

[Scope of utility model registration request]

An on-off valve installed in a vertical upward fluid flow path, which includes an annular valve seat that is arranged substantially horizontally and has a narrow pressure contact surface on its lower end surface, and a rotatable flat plate that is brought into close contact with the pressure contact surface of the valve seat. An on-off valve characterized by comprising a valve body.