JPS6099366U

JPS6099366U - gate valve

Info

Publication number: JPS6099366U
Application number: JP19145483U
Authority: JP
Inventors: 光樋口
Original assignee: 三菱重工業株式会社
Priority date: 1983-12-14
Filing date: 1983-12-14
Publication date: 1985-07-06

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図及び第２図は、従来の仕切弁の略示的説明図で、
第１図は縦断面図、第２図は第１図の■−ｎ線断面図、
第３図及び第４−は、本考案の一実施例の概略説明図で
、第３図は縦断面図、第４図は第３図のＩＶ−ＩＶ線断
面図、第５図、第６図は、それぞれ本考案の他の実施例
の第４図に相当する断面図である。１．１／：弁体、Ｌ２／：弁座、２ａ：弁座支持部材、
２ｂ、２ｂ’：壁部、３．３’：弁箱、４：蓋、５：弁
棒、６：ハジドル、？、７／：弁座または弁座支持部材
の開口部。FIGS. 1 and 2 are schematic illustrations of conventional gate valves,
Figure 1 is a longitudinal sectional view, Figure 2 is a sectional view taken along the ■-n line in Figure 1,
3 and 4- are schematic explanatory diagrams of one embodiment of the present invention, in which FIG. 3 is a longitudinal sectional view, FIG. 4 is a sectional view taken along the line IV-IV in FIG. 3, and FIGS. Each figure is a sectional view corresponding to FIG. 4 of another embodiment of the present invention. 1.1/: valve body, L2/: valve seat, 2a: valve seat support member,
2b, 2b': Wall, 3.3': Valve box, 4: Lid, 5: Valve stem, 6: Haji dollar, ? , 7/: opening in the valve seat or valve seat support member.

Claims

[Scope of utility model registration request]

A gate valve characterized in that a wall portion is provided on the lower inner side of at least one of a valve seat or a valve seat support member that sandwiches the valve body from both sides, and reduces the opening area when the valve body is fully opened.