JPS60167269U

JPS60167269U - butterfly valve

Info

Publication number: JPS60167269U
Application number: JP5433884U
Authority: JP
Inventors: 天江　孝太郎; 佐藤　征男; 庄子　隆
Original assignee: 株式会社　本山製作所
Priority date: 1984-04-13
Filing date: 1984-04-13
Publication date: 1985-11-06

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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来装置を例示する断面図、第２図は第１図の
■−■線に沿う断面図、第３図は本考案の一実施例を示
す断面図、第４図は第３図の■−■線に沿う断面図、第
５図および第６図は第３図の７部および第４図の■部を
拡大して示す部分断面図、第７図ないし第１０図は要部
の相異なる変形例を示す拡大部分断面図である。１０・・・弁箱、１２・・・弁軸、１３・・・弁体、１
４・・・周縁部、１５・・・弁座、１６，２６・・・薄
肉部、１８・・・第１のカラ一部材、２０，２３．・・
・外端部、２１　　　−・・・第２のカラ一部材、２５
・・・付勢部材。FIG. 1 is a sectional view illustrating a conventional device, FIG. 2 is a sectional view taken along the line ■-■ in FIG. 1, FIG. 3 is a sectional view showing an embodiment of the present invention, and FIG. 5 and 6 are enlarged partial sectional views of section 7 of FIG. 3 and section 2 of FIG. 4. FIGS. 7 to 10 are essential FIG. 6 is an enlarged partial cross-sectional view showing different modifications of the part. 10... Valve box, 12... Valve shaft, 13... Valve body, 1
4... Peripheral portion, 15... Valve seat, 16, 26... Thin wall portion, 18... First collar member, 20, 23.・・・
- Outer end, 21 - Second collar member, 25
...Biasing member.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

弁箱に回動自在に支持された弁軸と、上記弁箱内に位置
して上記弁軸に取付けられた円板状の弁体と、上記弁箱
−内装され上記弁体の周縁部が接離自在に対向する弁座
とを有するものにおいて、上記弁体および弁座の少なく
ともいずれか一方に形成された周方向の薄肉部と、各外
端部が上記弁座と近接位置して上記弁軸に嵌装された一
対のカラ一部材と、これらカラ一部材を相互に圧接する
方向に付勢する付勢部材とを具備することを特徴とする
バタフライ弁。A valve shaft rotatably supported by the valve body, a disk-shaped valve body located within the valve body and attached to the valve body, and a peripheral portion of the valve body located inside the valve body. The valve seat has a thin wall portion in the circumferential direction formed on at least one of the valve body and the valve seat, and each outer end portion is located close to the valve seat. A butterfly valve comprising: a pair of collar members fitted to a valve shaft; and a biasing member that biases the collar members in a direction in which they are brought into pressure contact with each other.