JPH0225790U

JPH0225790U -

Info

Publication number: JPH0225790U
Application number: JP10413488U
Authority: JP
Priority date: 1988-08-08
Filing date: 1988-08-08
Publication date: 1990-02-20
Also published as: JPH0449423Y2

Description

[Brief explanation of drawings]

第１図はこの考案の実施例の断面図。第２図は
ハンドル部分の平面図。第３図はダイヤフラムの
緊締状態を示す要部の拡大断面図。第４図イは従
来装置の断面図。同図ロはそのダイヤフラムの挾
持状態を示す部分の断面図。図中、１１……弁箱、１１ａ……弁室、１１ｄ
……テーパ面、１１ｅ……弁座、１１ｈ……環状
突縁、１１ｉ，１１ｊ……平坦面、１２……グラ
ンド筒、１３……ユニオンナツト、１４……ステ
ムバルブ、１５……弁棒、１５ａ……大径部、１
５ｂ……小径部、１６……ダイヤフラム、１７…
…支持リング、２０……スリーブ、２１……リテ
ーナ、２２……リザーブサポート、２５……可視
プレート、２７……ハンドル。 FIG. 1 is a sectional view of an embodiment of this invention. Figure 2 is a plan view of the handle part. FIG. 3 is an enlarged sectional view of the main parts showing the tightened state of the diaphragm. FIG. 4A is a sectional view of a conventional device. Figure B is a cross-sectional view of a portion showing a clamped state of the diaphragm. In the figure, 11...valve box, 11a...valve chamber, 11d
... Tapered surface, 11e ... Valve seat, 11h ... Annular ridge, 11i, 11j ... Flat surface, 12 ... Gland tube, 13 ... Union nut, 14 ... Stem valve, 15 ... Valve stem, 15a...Large diameter section, 1
5b...Small diameter portion, 16...Diaphragm, 17...
... Support ring, 20 ... Sleeve, 21 ... Retainer, 22 ... Reserve support, 25 ... Visible plate, 27 ... Handle.

補正昭６３．１０．３図面の簡単な説明を次のように補正する。明細書第１７頁９行の「２２……リザーブサポ
ート」は「２２……スリーブサポート」と補正す
る。Amendment October 3, 1981 The brief description of the drawing is amended as follows. "22... Reserve Support" on page 17, line 9 of the specification is corrected to "22... Sleeve Support."

Claims

[Scope of utility model registration request]

A tapered surface 11d with an open upper end and a concave part in the middle of the valve box 11 having a fluid inlet/outlet passage.
A stem valve 14 is accommodated in the valve chamber 11a, and an annular diaphragm 1 that covers the valve chamber 11a is provided at the upper end of the stem valve 14.
6 and connect the lower end of the valve stem 15,
A bonnet-shaped gland cylinder 12 is fitted into the large diameter part of the valve stem 15, and a support ring 17 is installed below it.
The upper end surface of the valve box 11 has an annular flat surface 11i stepped with a central annular ridge 11h,
11j, and annular flat surfaces 17a, 17c facing the flat surfaces 11i, 11j of the valve body 11 and an annular slope 17b tapering inward facing the annular flange 11h are provided on the lower end surface of the support ring 17. , the axial distance between the annular projecting edge 11h and the annular slope 17b is made smaller than the distance between the flat surfaces, and the union nut 13 rotatably locks onto the lower end collar of the gland cylinder 12 and is screwed into the valve box 11. Let me, Benbako 11
The peripheral edge of the diaphragm 16 is tightened by the opposing flat surfaces of the support ring 17, the annular ridge 11h, and the annular slope 17b, and the fluid is released by rotating the handle 27 fitted to the upper end of the valve stem 15 within a certain range. A diaphragm valve that opens and closes a passage.