JPH0265769U - - Google Patents
Info
- Publication number
- JPH0265769U JPH0265769U JP14530088U JP14530088U JPH0265769U JP H0265769 U JPH0265769 U JP H0265769U JP 14530088 U JP14530088 U JP 14530088U JP 14530088 U JP14530088 U JP 14530088U JP H0265769 U JPH0265769 U JP H0265769U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- engaging means
- ring
- retaining ring
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Lift Valve (AREA)
Description
第１図は本考案の実施例を示す縦断面図、第２
図は本考案のシートリングの要部拡大断面図、第
３図〜第４図は他の実施例を示す要部断面図、第
５図〜第７図は従来例を示す一部断面図である。
１…弁本体、２…弁体、３…弁軸、４…シート
リング、７…弗素樹脂製環状体、７ａ…Ｕ字状の
凹部、８…弾性リング、９…剛性リング。
Fig. 1 is a vertical sectional view showing an embodiment of the present invention;
The figure is an enlarged cross-sectional view of the main part of the seat ring of the present invention, Figures 3 to 4 are cross-sectional views of the main part showing other embodiments, and Figures 5 to 7 are partial cross-sectional views showing the conventional example. be. DESCRIPTION OF SYMBOLS 1... Valve body, 2... Valve body, 3... Valve stem, 4... Seat ring, 7... Fluororesin annular body, 7a... U-shaped recessed part, 8... Elastic ring, 9... Rigid ring.
Claims (1)
ともに、該弁本体内に、該弁体外周面に圧接する
ように押えリングを介してシートリングを設けた
偏心形蝶型弁において、前記シートリングは断面
Ｕ字状の弗素樹脂製薄肉環状体と該Ｕ字状内に順
次嵌め込んだ弾性リング及び剛性リングとからな
り、該シートリングを前記弁本体及び押えリング
により係合手段を介して係合してなることを特徴
とする偏心形蝶型弁。 (2) 前記係合手段が、前記弗素樹脂製薄肉環状
体の外周寄りの両側面に外向きに形成した突部を
前記弁本体及び押えリングの凹部に係合してなる
請求項１記載の偏心形蝶型弁。 (3) 前記係合手段が、前記弗素樹脂製薄肉環状
体の外周寄りの両側面に形成した突部を前記弁本
体及び押えリングの凹部に係合してなる請求項１
記載の偏心形蝶型弁。 (4) 前記係合手段が、前記弗素樹脂製薄肉環状
体側面に前記弁本体及び押えリングに形成した山
形状突部を食い込ませてなる請求項１記載の偏心
形蝶型弁。[Claims for Utility Model Registration] (1) A valve body is rotatably provided in an annular valve body, and a seat ring is placed in the valve body via a retaining ring so as to be in pressure contact with the outer peripheral surface of the valve body. In the eccentric butterfly-shaped valve provided, the seat ring is composed of a thin-walled fluororesin annular body having a U-shaped cross section, and an elastic ring and a rigid ring fitted into the U-shape in sequence, and the seat ring is connected to the valve. An eccentric butterfly valve characterized in that a main body and a retaining ring are engaged with each other via an engaging means. (2) The engaging means according to claim 1, wherein the engaging means comprises projections formed outwardly on both sides of the thin-walled fluororesin annular body near the outer periphery and engaged with the recesses of the valve body and the retaining ring. Eccentric butterfly valve. (3) Claim 1, wherein the engaging means is formed by engaging protrusions formed on both side surfaces of the thin-walled fluororesin annular body near the outer periphery with the recesses of the valve body and the retaining ring.
Eccentric butterfly valve as described. (4) The eccentric butterfly valve according to claim 1, wherein the engaging means includes a chevron-shaped protrusion formed on the valve body and the retaining ring that bites into a side surface of the thin-walled fluororesin annular body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988145300U JPH0429165Y2 (en) | 1988-11-07 | 1988-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988145300U JPH0429165Y2 (en) | 1988-11-07 | 1988-11-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0265769U true JPH0265769U (en) | 1990-05-17 |
| JPH0429165Y2 JPH0429165Y2 (en) | 1992-07-15 |
Family
ID=31413766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988145300U Expired JPH0429165Y2 (en) | 1988-11-07 | 1988-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429165Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4534Y1 (en) * | 1965-04-20 | 1970-01-06 | ||
| JPS6252192A (en) * | 1985-08-30 | 1987-03-06 | 三菱重工業株式会社 | Highly anticorrosive ceramic |
-
1988
- 1988-11-07 JP JP1988145300U patent/JPH0429165Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4534Y1 (en) * | 1965-04-20 | 1970-01-06 | ||
| JPS6252192A (en) * | 1985-08-30 | 1987-03-06 | 三菱重工業株式会社 | Highly anticorrosive ceramic |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0429165Y2 (en) | 1992-07-15 |