JPS61152851U - - Google Patents
Info
- Publication number
- JPS61152851U JPS61152851U JP3467885U JP3467885U JPS61152851U JP S61152851 U JPS61152851 U JP S61152851U JP 3467885 U JP3467885 U JP 3467885U JP 3467885 U JP3467885 U JP 3467885U JP S61152851 U JPS61152851 U JP S61152851U
- Authority
- JP
- Japan
- Prior art keywords
- annular
- valve
- outer edges
- seat ring
- reinforcing member
- 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
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims 2
Description
第１図は、本考案の一実施例を示すシートリン
グを装着したバタフライ弁の組立断面図、第２図
は第１図の−線によるシートリング部の断面
図、第３図は第２図の−線による断面図、第
４図は第２図の−線による断面図、第５図は
第４図Ａ部の拡大断面図、第６Ａ図及び第６Ｂ図
は補強部材の要部説明図、第７図は従来のバタフ
ライ弁の要部断面図、第８図は弁の性能に関する
比較線図である。
１１……弁本体、１２……弁板、１３……弁軸
、１４……シートリング、１５……弁軸穴、１６
……環状補強部材、１６ａ，１６ｂ……外縁、１
７……半環状補強部材、１７ａ，１７ｂ……内縁
。
Fig. 1 is an assembled cross-sectional view of a butterfly valve equipped with a seat ring showing an embodiment of the present invention, Fig. 2 is a cross-sectional view of the seat ring section taken along the - line in Fig. 1, and Fig. 3 is a cross-sectional view of the seat ring section shown in Fig. 2. 4 is a sectional view taken along the - line in FIG. 2, FIG. 5 is an enlarged sectional view of part A in FIG. 4, and FIGS. 6A and 6B are explanatory views of the main parts of the reinforcing member , FIG. 7 is a sectional view of a main part of a conventional butterfly valve, and FIG. 8 is a comparison chart regarding the performance of the valve. 11... Valve body, 12... Valve plate, 13... Valve stem, 14... Seat ring, 15... Valve stem hole, 16
...Annular reinforcing member, 16a, 16b...Outer edge, 1
7... Semi-annular reinforcing member, 17a, 17b... Inner edge.
Claims (1)
の弁軸穴を有しゴム状弾性体からなる環状のシー
トリングを介在させたバタフライ弁のシートリン
グにおいて、１対の弁軸穴に沿つて半径方向外方
へ向かう環状外縁１６ａ，１６ａと円筒部の両端
面に半径方向外方へ向かう各外縁１６ｂ，１６ｂ
とを一体に形成した環状補強部材１６の外側に対
向して、上記各外縁にそれぞれ嵌まり込むような
、弁軸穴用の半径方向内方へ向かう環状内縁１７
ａと円筒部の両端面に半径方向内方に向かう各内
縁１７ｂ，１７ｂとを一体に形成した１対の半環
状補強部材１７，１７を、嵌め込んで上記各外縁
と内縁とをそれぞれ接合した補強部材１８を構成
し、該補強部材１８とゴム状弾性体とを一体成形
し、前記嵌め込まれた両環状補強部材１６，１７
に囲まれた部分に空隙１９を形成したことを特徴
とするバタフライ弁のシートリング。 In the seat ring of a butterfly valve, an annular seat ring made of a rubber-like elastic body and having a pair of valve shaft holes is interposed between the inner peripheral surface of the valve body and the peripheral edge of the valve plate. Annular outer edges 16a, 16a extending radially outward along the valve stem hole, and outer edges 16b, 16b extending radially outward on both end surfaces of the cylindrical portion.
an annular inner edge 17 facing radially inward for a valve shaft hole, facing the outside of the annular reinforcing member 16 integrally formed with the above, and fitting into each of the outer edges, respectively;
A pair of semi-annular reinforcing members 17, 17, which are integrally formed with inner edges 17b, 17b facing radially inward on both end faces of the cylindrical portion, are fitted to join the outer edges and inner edges, respectively. A reinforcing member 18 is formed, the reinforcing member 18 and a rubber-like elastic body are integrally molded, and both the fitted annular reinforcing members 16 and 17
A seat ring for a butterfly valve, characterized in that a gap 19 is formed in a portion surrounded by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3467885U JPH0128389Y2 (en) | 1985-03-13 | 1985-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3467885U JPH0128389Y2 (en) | 1985-03-13 | 1985-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61152851U true JPS61152851U (en) | 1986-09-22 |
| JPH0128389Y2 JPH0128389Y2 (en) | 1989-08-29 |
Family
ID=30538274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3467885U Expired JPH0128389Y2 (en) | 1985-03-13 | 1985-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0128389Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001327622A (en) * | 2000-05-23 | 2001-11-27 | Senju Sprinkler Kk | Simultaneous opening valve |
| JP7190765B1 (en) * | 2021-08-18 | 2022-12-16 | 新倉工業株式会社 | butterfly valve |
-
1985
- 1985-03-13 JP JP3467885U patent/JPH0128389Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0128389Y2 (en) | 1989-08-29 |