JPH03118364U - - Google Patents
Info
- Publication number
- JPH03118364U JPH03118364U JP2826590U JP2826590U JPH03118364U JP H03118364 U JPH03118364 U JP H03118364U JP 2826590 U JP2826590 U JP 2826590U JP 2826590 U JP2826590 U JP 2826590U JP H03118364 U JPH03118364 U JP H03118364U
- Authority
- JP
- Japan
- Prior art keywords
- seat ring
- annular groove
- retainer
- annular
- model registration
- 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.)
- Pending
Links
- 238000007796 conventional method Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Description
第１図は本考案の一実施例を示すシートリング
装着部の断面図、第２図は従来技術を示す要部断
面図である。
１０……本体、１３……環状溝、１５……シー
トリグ押え、１６……Ｌ形溝、１７……シートリ
ング、１８……環状凸条、１９……Ｏリング、２
０……環状凹溝。
FIG. 1 is a sectional view of a seat ring mounting portion showing an embodiment of the present invention, and FIG. 2 is a sectional view of a main part showing a conventional technique. 10... Main body, 13... Annular groove, 15... Seat rig presser, 16... L-shaped groove, 17... Seat ring, 18... Annular protrusion, 19... O-ring, 2
0...Annular groove.
Claims (1)
体を回動自在に軸支する弁棒と一定距離偏つた位
置に端部側が開放した環状溝を設け、該環状溝の
端部側に装着するシートリング押えによつて前記
弁体の外面とシールするシートリングを前記環状
溝内に固定したものにおいて、 前記シートリング押えのシートリングを装着す
る嵌合内面に環状凸条を設けるとともに、シート
リングの外周に環状凹溝を設け、シートリング押
えとシートリングとの間にＯリングを介装してシ
ートリング押えの外面よりシートリングの外周を
カシメて前記本体の環状溝にシートリングを固定
してなることを特徴とするバタフライ弁。 ２ 実用新案登録請求の範囲第１項記載において
、前記シートリング押えに設けた環状凸状とシー
トリングに設けた環状凹溝は複数条からなること
を特徴とするバタフライ弁。[Scope of Claim for Utility Model Registration] 1. An annular groove with an open end is provided on the inner surface of a hollow cylindrical body made of a rigid material at a position offset by a certain distance from the valve stem that rotatably supports the valve body, A seat ring that seals with the outer surface of the valve body is fixed in the annular groove by a seat ring retainer attached to the end side of the annular groove, the fitting inner surface of the seat ring retainer to which the seat ring is attached. An annular convex strip is provided on the seat ring, an annular groove is provided on the outer periphery of the seat ring, an O-ring is interposed between the seat ring presser and the seat ring, and the outer circumference of the seat ring is caulked from the outer surface of the seat ring presser. A butterfly valve characterized by a seat ring fixed in an annular groove in the main body. 2 Utility Model Registration Claim 1: The butterfly valve according to claim 1, characterized in that the annular convex shape provided on the seat ring retainer and the annular groove provided on the seat ring are composed of a plurality of strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2826590U JPH03118364U (en) | 1990-03-20 | 1990-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2826590U JPH03118364U (en) | 1990-03-20 | 1990-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03118364U true JPH03118364U (en) | 1991-12-06 |
Family
ID=31531071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2826590U Pending JPH03118364U (en) | 1990-03-20 | 1990-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03118364U (en) |
-
1990
- 1990-03-20 JP JP2826590U patent/JPH03118364U/ja active Pending