JPH0410168U - - Google Patents
Info
- Publication number
- JPH0410168U JPH0410168U JP5075490U JP5075490U JPH0410168U JP H0410168 U JPH0410168 U JP H0410168U JP 5075490 U JP5075490 U JP 5075490U JP 5075490 U JP5075490 U JP 5075490U JP H0410168 U JPH0410168 U JP H0410168U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- seat ring
- butterfly valve
- diameter part
- seat
- 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
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
Landscapes
- Lift Valve (AREA)
Description
第１図は本考案の一実施例を示すバタフライ弁
の縦断面図、第１ａ図は第１図Ａ部の要部拡大断
面図、第２図Ａ及びＢはシートリテーナの側面図
及び正面断面図、第３図は従来例を示すバタフラ
イ弁の縦断面図である。
３……弁体、４……弁棒、１１……本体、１２
……ゴム製シートリング、１５……シートリテー
ナ、１５ａ……大径部、１５ｂ……小径部、１６
……舌状切欠、１７……溝。
Fig. 1 is a vertical sectional view of a butterfly valve showing an embodiment of the present invention, Fig. 1a is an enlarged sectional view of the main part of part A in Fig. 1, and Fig. 2 A and B are a side view and front sectional view of the seat retainer. 3 are longitudinal sectional views of a conventional butterfly valve. 3... Valve body, 4... Valve stem, 11... Main body, 12
...Rubber seat ring, 15...Seat retainer, 15a...Large diameter portion, 15b...Small diameter portion, 16
... tongue-like notch, 17 ... groove.
Claims (1)
該本体の内面に張設される円筒状のゴム製シート
リングの両端部を、薄肉パイプをプレス型等によ
つて成形されたシートリテーナの一側で押え、該
シートリテーナの他側を本体内面の溝部に嵌め込
むようにして、上記シートリングを本体内面に固
定したことを特徴とするバタフライ弁のシートリ
ング固定装置。 ２ 本体が鋼管からなるバタフライ弁において、
該本体の内面に張設される円筒状のゴム製シート
リングの両端部を、薄肉パイプをプレス型等によ
つて大径部と小径部の段付状円筒に成形されたシ
ートリテーナの小径部で抑え、一方の大径部の一
端に数個所設けられた舌状切欠きを、本体内面に
設けられた溝内に強制的に張出させるようにして
、該シートリングを本体内面に固定するようにし
たことを特徴とするバタフライ弁のシートリング
固定装置。[Scope of claims for utility model registration] 1. In a butterfly valve whose main body is made of a steel pipe,
Both ends of a cylindrical rubber seat ring stretched on the inner surface of the main body are held down by one side of a seat retainer formed from a thin-walled pipe using a press die, etc., and the other side of the seat retainer is held against the inner surface of the main body. A seat ring fixing device for a butterfly valve, characterized in that the seat ring is fixed to the inner surface of the main body by being fitted into the groove of the butterfly valve. 2. In a butterfly valve whose main body is made of steel pipe,
Both ends of the cylindrical rubber seat ring that is stretched on the inner surface of the main body are connected to the small diameter part of the seat retainer, which is formed from a thin-walled pipe into a stepped cylinder with a large diameter part and a small diameter part using a press mold or the like. , and fix the seat ring to the inner surface of the main body by forcing the tongue-shaped notches provided at several places on one end of one large diameter part to extend into the groove provided on the inner surface of the main body. A seat ring fixing device for a butterfly valve characterized by the following features:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990050754U JP2509859Y2 (en) | 1990-05-17 | 1990-05-17 | Seat ring fixing device for butterfly valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990050754U JP2509859Y2 (en) | 1990-05-17 | 1990-05-17 | Seat ring fixing device for butterfly valves |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0410168U true JPH0410168U (en) | 1992-01-28 |
| JP2509859Y2 JP2509859Y2 (en) | 1996-09-04 |
Family
ID=31569579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990050754U Expired - Lifetime JP2509859Y2 (en) | 1990-05-17 | 1990-05-17 | Seat ring fixing device for butterfly valves |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2509859Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998046917A1 (en) * | 1997-04-14 | 1998-10-22 | Asahi Organic Chemicals Industry Co., Ltd. | Plastic butterfly valve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5311084A (en) * | 1976-07-16 | 1978-02-01 | Matsushita Electric Ind Co Ltd | Light emitting spectrochemical analysis apparatus |
-
1990
- 1990-05-17 JP JP1990050754U patent/JP2509859Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5311084A (en) * | 1976-07-16 | 1978-02-01 | Matsushita Electric Ind Co Ltd | Light emitting spectrochemical analysis apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998046917A1 (en) * | 1997-04-14 | 1998-10-22 | Asahi Organic Chemicals Industry Co., Ltd. | Plastic butterfly valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2509859Y2 (en) | 1996-09-04 |