JPH0377880U

JPH0377880U -

Info

Publication number: JPH0377880U
Application number: JP13850589U
Authority: JP
Priority date: 1989-11-29
Filing date: 1989-11-29
Publication date: 1991-08-06

Description

[Brief explanation of drawings]

第１図は本考案による止め弁の一実施例を示す
断面図、第２図は当該止め弁において弁棒と、ベ
ローズと、弁体の構成を示した分解図、第３図は
当該弁体の平面図、第４図はベローズと弁体の係
着の他の態様についての変形例を表した平面図、
第５図はベローズと弁体の係着の態様についての
さらに他の変形例を表した断面図である。１……玉形弁、２……弁箱、３……弁室、４，
５……通路、７……弁座、８……弁体、９……蓋
板、１０……弁棒、１２……スリーブ、１３……
ハンドホイール、１４……グランドパツキン、１
５……グランド押さえ、１６……保持板、１７…
…アイボルト、１９……シール部、２０……ベロ
ーズ、２１……上部ホルダ、２２……下部ホルダ
、２３……突起部、２４……段付き長溝。 Fig. 1 is a sectional view showing an embodiment of the stop valve according to the present invention, Fig. 2 is an exploded view showing the structure of the valve stem, bellows, and valve body in the stop valve, and Fig. 3 is the valve body. FIG. 4 is a plan view showing a modification of another aspect of engagement between the bellows and the valve body;
FIG. 5 is a sectional view showing still another modification of the manner in which the bellows and the valve body are engaged. 1... Globe valve, 2... Valve box, 3... Valve chamber, 4,
5... Passage, 7... Valve seat, 8... Valve body, 9... Lid plate, 10... Valve stem, 12... Sleeve, 13...
Handwheel, 14...Grand Packkin, 1
5...Gland holder, 16...Holding plate, 17...
...Eye bolt, 19...Seal portion, 20...Bellows, 21...Upper holder, 22...Lower holder, 23...Protrusion, 24...Stepped long groove.

Claims

[Scope of Claim for Utility Model Registration] In a stop valve in which a bellows is concentrically arranged between a valve body and a valve body so as to surround a valve stem, a lower holder is fixed to the lower end of the bellows,
A stop valve characterized in that a valve body is removably connected to the lower surface of the lower holder, and a tip end of a valve stem is removably connected to the upper surface of the lower holder.