JPS6249065U - - Google Patents
Info
- Publication number
- JPS6249065U JPS6249065U JP14156285U JP14156285U JPS6249065U JP S6249065 U JPS6249065 U JP S6249065U JP 14156285 U JP14156285 U JP 14156285U JP 14156285 U JP14156285 U JP 14156285U JP S6249065 U JPS6249065 U JP S6249065U
- Authority
- JP
- Japan
- Prior art keywords
- seat ring
- main body
- seat
- annular space
- sealing 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
- 238000007789 sealing Methods 0.000 claims 3
- 239000012530 fluid Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000003566 sealing material Substances 0.000 claims 1
Landscapes
- Lift Valve (AREA)
Description
第１図はこの考案を適用したバタフライ弁の縦
断面図、第２図は弁が開いたときを示す要部の断
面図、第３図は弁が閉じたときの要部の断面図、
第４図は逆流が加つたときの要部の断面図である
。
１……本体、２……弁体、３……弁棒、４……
シートリング、５……シートリテーナー、６，７
……環状溝、８……環状スペース、９……開口、
１０……板バネ、１１，１２……小孔、４０……
固定片、４１……保持片、４２……凹凸部。
Figure 1 is a longitudinal sectional view of a butterfly valve to which this invention is applied, Figure 2 is a sectional view of the main parts when the valve is open, and Figure 3 is a sectional view of the main parts when the valve is closed.
FIG. 4 is a sectional view of the main part when reverse flow is applied. 1...Main body, 2...Valve body, 3...Valve stem, 4...
Seat ring, 5... Seat retainer, 6, 7
... annular groove, 8 ... annular space, 9 ... opening,
10...Plate spring, 11,12...Small hole, 40...
Fixing piece, 41... Holding piece, 42... Uneven part.
Claims (1)
在に円板状の弁体２を軸支し、弁体２の外周面に
密接する弾性密封材製のシートリング４を本体１
に取り付けたバタフライ弁であつて、シートリン
グ４の半径方向外周部を挟持する本体１とシート
リテーナー５との間に環状のスペース８を形成し
、該環状のスペース８内においてシートリング４
の内外両面に断面Ｃ若しくは字状の板バネ１０
を装着すると共に、環状スペース８内に位置する
シートリング４の内外両面に流体圧を導入するよ
うにしたことを特徴とする正逆両方向の流れを閉
止可能としたバタフライ弁のシール装置。 (2) 本体１とシートリテーナー５との間で挟持
されるシートリング４の半径方向外周部に凹凸部
４２を形成したことを特徴とする実用新案登録請
求の範囲第１項記載のシール装置。[Claims for Utility Model Registration] (1) A generally cylindrical main body 1 supports a disk-shaped valve body 2 rotatably together with a valve stem 3, and an elastic sealing material that is in close contact with the outer peripheral surface of the valve body 2. The seat ring 4 of the main body 1
This is a butterfly valve attached to a seat ring 4, in which an annular space 8 is formed between a main body 1 and a seat retainer 5 that sandwich the radial outer circumference of a seat ring 4, and a seat ring 4 is attached to the seat ring 4 within the annular space 8.
A leaf spring 10 having a C or letter-shaped cross section on both the inside and outside of the
A sealing device for a butterfly valve capable of closing flow in both forward and reverse directions, characterized in that the butterfly valve is equipped with a sealing device and fluid pressure is introduced into both the inner and outer surfaces of a seat ring 4 located in an annular space 8. (2) The sealing device according to claim 1, wherein an uneven portion 42 is formed on the outer periphery in the radial direction of the seat ring 4 held between the main body 1 and the seat retainer 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985141562U JPH0247811Y2 (en) | 1985-09-17 | 1985-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985141562U JPH0247811Y2 (en) | 1985-09-17 | 1985-09-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6249065U true JPS6249065U (en) | 1987-03-26 |
| JPH0247811Y2 JPH0247811Y2 (en) | 1990-12-14 |
Family
ID=31049461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985141562U Expired JPH0247811Y2 (en) | 1985-09-17 | 1985-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247811Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022109318A1 (en) * | 2020-11-20 | 2022-05-27 | Bray International, Inc. | Butterfly valve seat and valve seat cavity |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5253169A (en) * | 1975-10-24 | 1977-04-28 | Maaruburanku Seruse | Sealing device |
-
1985
- 1985-09-17 JP JP1985141562U patent/JPH0247811Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5253169A (en) * | 1975-10-24 | 1977-04-28 | Maaruburanku Seruse | Sealing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022109318A1 (en) * | 2020-11-20 | 2022-05-27 | Bray International, Inc. | Butterfly valve seat and valve seat cavity |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0247811Y2 (en) | 1990-12-14 |