JPS6237668U

JPS6237668U -

Info

Publication number: JPS6237668U
Application number: JP12881785U
Authority: JP
Priority date: 1985-08-26
Filing date: 1985-08-26
Publication date: 1987-03-05
Also published as: JPH0217254Y2

Description

[Brief explanation of drawings]

第１図はこの考案の一実斜例を適用した弁装置
における弁体構造を示す縦断面図、第２図は同上
シフトシート取付け部でのシート締付け前の詳細
を示す拡大断面図、第３図および第４図は同上弁
閉時の態様およびその要部を拡大して示すそれぞ
れ断面図であり、また第５図は従来例による弁体
構造を示す縦断面図、第６図ａ，ｂは同上ソフト
シートの装着前、後の態様を拡大して示すそれぞ
れ断面説明図である。１……ソフトシート（弾性シート部材）、１ａ
……上面、１ｂ……外周面、１ｃ……内周面、１
ｄ……内周側下面、１ｅ……傾斜面、１ｆ……外
周側下面、１ｇおよび１ｈ……面取り、１１……
プラグテイド、１１ｂおよび１１ｃ……シート挟
持面、１１ｄ……面取り、１３……プラグヘツド
、１３ｂおよび１３ｃ……シート挟持面、１３ｄ
……シート挟持傾斜面、１３ｅ，１３ｆ……面取
り、１５……取付けボルト、１６……シートリン
グ。 Fig. 1 is a longitudinal cross-sectional view showing the structure of a valve body in a valve device to which an example of this invention is applied; Fig. 2 is an enlarged cross-sectional view showing the details before the seat is tightened at the shift seat attachment portion; 4 and 4 are enlarged cross-sectional views showing the state of the same valve when it is closed and its essential parts, and FIG. 5 is a vertical cross-sectional view showing a conventional valve body structure, and FIGS. 6 a and b FIG. 2 is an enlarged cross-sectional explanatory view showing the soft sheet before and after the soft sheet is installed. 1... Soft sheet (elastic sheet member), 1a
...Top surface, 1b...Outer peripheral surface, 1c...Inner peripheral surface, 1
d... Inner circumference side lower surface, 1e... Inclined surface, 1f... Outer circumference side lower surface, 1g and 1h... Chamfering, 11...
Plugtade, 11b and 11c...Sheet clamping surface, 11d...Chamfer, 13...Plug head, 13b and 13c...Sheet clamping surface, 13d
... Seat clamping inclined surface, 13e, 13f ... Chamfering, 15 ... Mounting bolt, 16 ... Seat ring.

Claims

[Claims for Utility Model Registration] (1) Upper surface 1a and outer circumferential surface 1 which are respectively flattened.
b, has a cross-sectional shape consisting of an inner circumferential surface 1b, an inner circumferential lower surface 1d, and an outer circumferential lower surface 1f protruding downward from the inner circumferential lower surface 1d via an inclined surface 1e at a predetermined angle to form a seat surface. , a valve shaft 12 having an annularly formed elastic sheet member 1, the upper surface 1a, and sheet clamping surfaces 11b and 11c that receive at least a part of the outer circumferential surface 1b connected to the upper surface 1a.
a plug guide 11 coupled to the inner peripheral surface 1;
c, sheet clamping surface 13 that receives the inner peripheral side lower surface 1d;
c, 13b and the sheet clamping inclined surface 1 at an angle that allows pressing the inclined surface 1e toward the outer peripheral side lower surface 1f side.
3d, and a plug head 13 coupled to the plug guide 11, and configured such that the elastic sheet member 1 can be mounted between the plug guide 11 and the plug head 13 under pressure. Valve body in the device. (2) A connecting portion between the inner lower surface 1d and the inclined surface 1e,
and sheet clamping surface 13b and sheet clamping inclined surface 1
3. The valve body of the valve device according to claim 1, wherein chamfers 1g and 13e corresponding to each other are respectively applied to the connecting portions with the connecting portions 3d. (3) Sheet clamping surface 11b that receives the outer peripheral surface 1b
Utility model registration claim 1 characterized in that chamfering 11d is applied to the opening end edge portion of
A valve body in the valve device according to item 1 or 2.