JPS6359270U - - Google Patents
Info
- Publication number
- JPS6359270U JPS6359270U JP15318586U JP15318586U JPS6359270U JP S6359270 U JPS6359270 U JP S6359270U JP 15318586 U JP15318586 U JP 15318586U JP 15318586 U JP15318586 U JP 15318586U JP S6359270 U JPS6359270 U JP S6359270U
- Authority
- JP
- Japan
- Prior art keywords
- seat ring
- valve body
- butterfly valve
- radial direction
- holding device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Lift Valve (AREA)
Description
第１図は本考案の一実施例を示す要部断面図、
第２図は第１図におけるシートリングの一部拡大
正面図、第３図ないし第５図は作用説明図、第６
図は従来例を示す要部断面図である。
１……弁本体、２……弁体、１３……シートリ
ング、１５……環状溝、１５ａ……傾斜面、１６
……小穴、１７……タツプ穴、１８……ボール、
１９……フオローセツト。
FIG. 1 is a cross-sectional view of essential parts showing an embodiment of the present invention;
Fig. 2 is a partially enlarged front view of the seat ring in Fig. 1, Figs. 3 to 5 are action explanatory views, and Figs.
The figure is a sectional view of a main part showing a conventional example. DESCRIPTION OF SYMBOLS 1... Valve body, 2... Valve body, 13... Seat ring, 15... Annular groove, 15a... Inclined surface, 16
...Small hole, 17...Tap hole, 18...Ball,
19...Follow set.
Claims (1)
弁において、弁本体の内面に形成された段部に弁
本体内面の一方の端面よりシートリングを装着し
、弁本体のシートリング装着部内周面に設けられ
た環状溝と、シートリング外周面に装備され半径
方向に移動可能の複数のボールと、これらボール
を半径方向に移動させる部材とを備え、上記環状
溝とボールとの係合により弁本体とシートリング
とを固結したことを特徴とするバタフライ弁のシ
ートリング保持装置。 ２ 上記ボールを半径方向に移動させる部材は、
シートリングの一方の側壁から螺入され、端部に
傾斜面を具えたボルトによつて構成されている実
用新案登録請求の範囲第１項記載のバタフライ弁
のシートリング保持装置。 ３ 上記弁本体のシートリング装着内周面に設け
られる環状溝は、断面が外側に向かつて傾斜した
面を有する実用新案登録請求の範囲第１項記載の
バタフライ弁のシートリング保持装置。[Claims for Utility Model Registration] 1. In a butterfly valve without a seat ring retainer, a seat ring is attached to a step formed on the inner surface of the valve body from one end surface of the inner surface of the valve body, and the seat ring of the valve body An annular groove provided on the inner circumferential surface of the mounting part, a plurality of balls provided on the outer circumferential surface of the seat ring and movable in the radial direction, and a member for moving these balls in the radial direction. A seat ring holding device for a butterfly valve, characterized in that a valve body and a seat ring are solidified by engagement. 2 The member that moves the ball in the radial direction is
The seat ring holding device for a butterfly valve according to claim 1, which is constituted by a bolt that is screwed into one side wall of the seat ring and has an inclined surface at its end. 3. The seat ring holding device for a butterfly valve according to claim 1, wherein the annular groove provided on the seat ring mounting inner circumferential surface of the valve body has a surface whose cross section is inclined outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15318586U JPH0237333Y2 (en) | 1986-10-07 | 1986-10-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15318586U JPH0237333Y2 (en) | 1986-10-07 | 1986-10-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6359270U true JPS6359270U (en) | 1988-04-20 |
| JPH0237333Y2 JPH0237333Y2 (en) | 1990-10-09 |
Family
ID=31071847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15318586U Expired JPH0237333Y2 (en) | 1986-10-07 | 1986-10-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0237333Y2 (en) |
-
1986
- 1986-10-07 JP JP15318586U patent/JPH0237333Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0237333Y2 (en) | 1990-10-09 |