JPS61101153U - - Google Patents
Info
- Publication number
- JPS61101153U JPS61101153U JP18706284U JP18706284U JPS61101153U JP S61101153 U JPS61101153 U JP S61101153U JP 18706284 U JP18706284 U JP 18706284U JP 18706284 U JP18706284 U JP 18706284U JP S61101153 U JPS61101153 U JP S61101153U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- annular groove
- butterfly valve
- view
- shaft hole
- 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
- 210000000078 claw Anatomy 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
Description
第１図は本考案のシール装置を備えたバタフラ
イ弁の縦断面図、第２図は同要部の拡大断面図、
第３図はシートリングの斜視図、第４図はリング
の斜視図、第５図は同断面図、第６図は軸孔と弁
棒との関連を示す横断面図、第７図は従来のシー
ル装置の拡大断面図、第８図は同軸孔と弁棒との
関連を示す横断面図、第９図は同弁体からの反力
による影響を示す断面図、第１０図は変形したリ
ングの縦断面図である。
１０……本体、１１……シートリング、１２…
…弁体、１３……弁棒、１４……軸孔、１５……
環状溝、１６……リング、１７……爪片、１８…
…円弧面、１９……溝、２０……突条。
Fig. 1 is a longitudinal cross-sectional view of a butterfly valve equipped with the sealing device of the present invention, Fig. 2 is an enlarged cross-sectional view of the essential parts,
Fig. 3 is a perspective view of the seat ring, Fig. 4 is a perspective view of the ring, Fig. 5 is a cross-sectional view of the same, Fig. 6 is a cross-sectional view showing the relationship between the shaft hole and the valve stem, and Fig. 7 is a conventional Figure 8 is a cross-sectional view showing the relationship between the coaxial hole and the valve stem, Figure 9 is a cross-sectional view showing the influence of reaction force from the valve body, and Figure 10 is a deformed seal device. FIG. 3 is a longitudinal cross-sectional view of the ring. 10...Main body, 11...Seat ring, 12...
... Valve body, 13 ... Valve stem, 14 ... Shaft hole, 15 ...
Annular groove, 16...Ring, 17...Claw piece, 18...
...Arc surface, 19...Groove, 20...Protrusion.
Claims (1)
されるシートリングの軸孔に近接して同心の環状
の溝を形成し、該環状の溝内に剛性のリングを挿
設し、該リングの本体と接する面を本体内周面と
同一の円弧面に形成すると共に、本体のフランジ
方向から作用する力に対する抵抗となる爪片を形
成して本体に係合したことを特徴とするバタフラ
イ弁のシール装置。 A concentric annular groove is formed close to the shaft hole of the seat ring fixed on the inner peripheral surface of the main body of the hollow cylindrical butterfly valve, and a rigid ring is inserted into the annular groove. A butterfly valve characterized in that a surface in contact with the main body is formed into the same arcuate surface as the inner circumferential surface of the main body, and a claw piece is formed and engaged with the main body as a resistance to the force acting from the flange direction of the main body. sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18706284U JPH0125816Y2 (en) | 1984-12-07 | 1984-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18706284U JPH0125816Y2 (en) | 1984-12-07 | 1984-12-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61101153U true JPS61101153U (en) | 1986-06-27 |
| JPH0125816Y2 JPH0125816Y2 (en) | 1989-08-02 |
Family
ID=30744530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18706284U Expired JPH0125816Y2 (en) | 1984-12-07 | 1984-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0125816Y2 (en) |
-
1984
- 1984-12-07 JP JP18706284U patent/JPH0125816Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0125816Y2 (en) | 1989-08-02 |