JPS58148378U

JPS58148378U - butterfly valve

Info

Publication number: JPS58148378U
Application number: JP4484482U
Authority: JP
Inventors: 木村　勝正
Original assignee: 株式会社東芝
Priority date: 1982-03-31
Filing date: 1982-03-31
Publication date: 1983-10-05

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図は弁胴２分割した螺形弁の側面図、第２図は第１
図のＡ−Ａ線に沿う従来の螺形弁の拡大断面図、第３図
は本考案の一実施例を示す第１図のＡ−Ａ線に沿う拡大
断面図、第４図は第３図のＢ−Ｂ線に沿う断面図、及び
第５図は本考案の螺形弁に使用されるパツキン外形図で
ある。ｌａ、　　ｌｂ・・・・・・弁胴、２ａ、２ｂ・・・・
・・弁胴分割面フランジ、５ａ、　’５ｂ・・・・・・
上流側弁胴フランジ、６ａ、　　６ｂ・・・・・・下流
側弁胴フランジ、７ａ、　　７ｂ・・・・・・上下流管
、＄ａ、　　８ｂ・・・・・・上下流管フランジ、１０
．１１・・・・・・パツキン、１２ａ、　　１’２ｂ・
・・・・・パツキン、１３・・・・・・液体パツキン、
１４・・・・・・液体パツキン注入孔。Figure 1 is a side view of the spiral valve with the valve body divided into two parts, and Figure 2 is the side view of the spiral valve with the valve body divided into two parts.
FIG. 3 is an enlarged sectional view of a conventional spiral valve taken along line A-A in the figure; FIG. 3 is an enlarged sectional view taken along line A-A of FIG. 1 showing an embodiment of the present invention; FIG. A sectional view taken along the line BB in the figure and FIG. 5 are an external view of the packing used in the spiral valve of the present invention. la, lb...valve body, 2a, 2b...
...Valve body split surface flange, 5a, '5b...
Upstream valve body flange, 6a, 6b...Downstream valve body flange, 7a, 7b...Upstream and downstream pipe, $a, 8b...Upstream and downstream pipe flange, 10
．． 11...Patsukin, 12a, 1'2b・
...Patsukin, 13...Liquid Patsukin,
14...Liquid gas injection hole.

Claims

[Scope of utility model registration request]

In a spiral valve that has a valve body that is rotatably sealed in a valve body that is divided into two parts in the water flow direction and connected to upstream and downstream pipes via flanges, the valve body divided part and the upstream and downstream connecting parts are integrated. A spiral valve characterized by using a packing having a structure and allowing liquid packing to be injected into the valve body division part.