JPS6364970U - - Google Patents
Info
- Publication number
- JPS6364970U JPS6364970U JP15902486U JP15902486U JPS6364970U JP S6364970 U JPS6364970 U JP S6364970U JP 15902486 U JP15902486 U JP 15902486U JP 15902486 U JP15902486 U JP 15902486U JP S6364970 U JPS6364970 U JP S6364970U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- seat ring
- valve stem
- stem
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Description
第１図は本考案の一実施例に係るバタフライバ
ルブを示す一部切断正面図、第２図はバタフライ
バルブを示す一部切断側面図、第３図はバタフラ
イバルブの要部を分解して示す断面図、第４図は
弁体側係合部の他の形状を示す断面図である。
１０……バタフライバルブ、１１……弁箱、１
２……シートリング、１２Ａ……シートリング側
シール部、１３……弁棒、１４……弁体、１４Ａ
……弁体側シール部、２０……弁体側係合部、２
１……シートリング側係合部。
Fig. 1 is a partially cutaway front view showing a butterfly valve according to an embodiment of the present invention, Fig. 2 is a partially cutaway side view showing the butterfly valve, and Fig. 3 is an exploded view of the main parts of the butterfly valve. 4 is a sectional view showing another shape of the valve body side engaging portion. 10...Butterfly valve, 11...Valve box, 1
2... Seat ring, 12A... Seat ring side seal portion, 13... Valve stem, 14... Valve body, 14A
... Valve body side sealing part, 20 ... Valve body side engaging part, 2
1...Seat ring side engagement part.
Claims (1)
弁箱に支持されるとともにシートリングを貫通す
る弁棒と、弁棒の中間部に装着されてシートリン
グの内部に配置され、弁棒の回転とともに回転し
て弁箱内の流体通路を開閉する弁体と、を有し、
弁体の外周部分で弁棒の周囲に位置する部分に形
成される弁体側シール部と、シートリングの内周
部分で弁棒の周囲に位置する部分に形成されるシ
ートリング側シール部とを相互に圧接してなるバ
タフライバルブにおいて、弁体をシートリングよ
り硬質とするとともに、弁体側シール部に弁棒と
同軸をなす円環凹状もしくは円環凸状の弁体側係
合部を設け、シートリング側シール部に弁棒と同
軸をなして上記弁体側係合部と凹凸係合するシー
トリング側係合部を設けたことを特徴とするバタ
フライバルブ。 A valve box, a seat ring installed in the valve box,
A valve stem that is supported by the valve body and passes through the seat ring, and a valve stem that is attached to the middle of the valve stem and placed inside the seat ring, and rotates with the rotation of the valve stem to open and close the fluid passage within the valve body. It has a valve body;
A valve body-side seal portion formed on the outer circumference of the valve body around the valve stem, and a seat ring side seal portion formed on the inner circumference of the seat ring around the valve stem. In a butterfly valve that is in pressure contact with each other, the valve body is made harder than the seat ring, and the valve body side seal part is provided with a concave or convex valve body engagement part that is coaxial with the valve stem. A butterfly valve characterized in that a ring-side seal part is provided with a seat ring-side engaging part that is coaxial with the valve stem and engages with the valve body-side engaging part in a concave-convex manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15902486U JPH032063Y2 (en) | 1986-10-16 | 1986-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15902486U JPH032063Y2 (en) | 1986-10-16 | 1986-10-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6364970U true JPS6364970U (en) | 1988-04-28 |
| JPH032063Y2 JPH032063Y2 (en) | 1991-01-21 |
Family
ID=31083066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15902486U Expired JPH032063Y2 (en) | 1986-10-16 | 1986-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032063Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020037996A (en) * | 2018-09-04 | 2020-03-12 | 和正豐科技股▲分▼有限公司 | Fluorine resin butterfly valve |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4703235B2 (en) | 2005-03-31 | 2011-06-15 | 旭有機材工業株式会社 | Butterfly valve |
-
1986
- 1986-10-16 JP JP15902486U patent/JPH032063Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020037996A (en) * | 2018-09-04 | 2020-03-12 | 和正豐科技股▲分▼有限公司 | Fluorine resin butterfly valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH032063Y2 (en) | 1991-01-21 |