JPS5968873U - ball valve - Google Patents
ball valveInfo
- Publication number
- JPS5968873U JPS5968873U JP16600682U JP16600682U JPS5968873U JP S5968873 U JPS5968873 U JP S5968873U JP 16600682 U JP16600682 U JP 16600682U JP 16600682 U JP16600682 U JP 16600682U JP S5968873 U JPS5968873 U JP S5968873U
- Authority
- JP
- Japan
- Prior art keywords
- seat ring
- valve
- ball
- valve box
- seat
- 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.)
- Pending
Links
Landscapes
- Taps Or Cocks (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は通常のボールバルブの断面図、第２図第３図は
従来の一般的なボールバルブのシート部の断面図、第４
図、第５図、第６図は従来の考案の実施例のシート部の
断面図、第７図、第８図は本考案の一実施例を示すシー
ト部の断面図でさる。
１．２：弁箱、３：ボール、４． ４’ ：シートリ
ング、５：弁棒、６：グランドパツキン、７：ガスケッ
ト、８：キャビティ部、９：弁箱内面側シートリング、
１０：ボール球状外面側シートリング、１１：リテーナ
、１１：ねじ。Figure 1 is a cross-sectional view of a conventional ball valve, Figure 2, Figure 3 is a cross-sectional view of the seat of a conventional general ball valve, and Figure 4 is a cross-sectional view of a conventional ball valve seat.
5 and 6 are sectional views of the seat portion of an embodiment of the conventional invention, and FIGS. 7 and 8 are sectional views of the seat portion of an embodiment of the present invention. 1.2: Valve box, 3: Ball, 4. 4': Seat ring, 5: Valve stem, 6: Gland packing, 7: Gasket, 8: Cavity part, 9: Valve box inner side seat ring,
10: Ball spherical outer seat ring, 11: Retainer, 11: Screw.
Claims (1)
内面とボールの球状外面との間にリング状シートリング
を介在させたボールバルブにおいて、上記シートリング
を弁箱内面側シートリングとボール球状外面側シートリ
ングに分離し、両シートリングの間にこのシートリング
より剛性の高いリテーナを介在させ、弁箱内面側シート
リングの弁箱側シール面とリテーナ側シール面の少なく
とも一方のシール面を流路方向に対してテーパ状にし、
両シール面間で形成される弁箱内面側シートリングの断
面形状を管路側からバルブキャビティ部へ向かうくさび
状とし、かつ上記弁箱内面側シートリングの内径側に空
間を形成したことを特徴とするボールバルブ。In a ball valve in which a ball having a through hole is rotatably provided in the valve box, and a ring-shaped seat ring is interposed between the inner surface of the valve box and the spherical outer surface of the ball, the seat ring is the seat ring on the inner surface of the valve box. A retainer having higher rigidity than this seat ring is interposed between both seat rings, and at least one of the sealing surface on the valve body side and the sealing surface on the retainer side of the inner seat ring on the valve body is separated. The sealing surface is tapered in the direction of the flow path,
The cross-sectional shape of the seat ring on the inner side of the valve box formed between both sealing surfaces is wedge-shaped from the conduit side toward the valve cavity, and a space is formed on the inner diameter side of the seat ring on the inner side of the valve box. ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16600682U JPS5968873U (en) | 1982-11-01 | 1982-11-01 | ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16600682U JPS5968873U (en) | 1982-11-01 | 1982-11-01 | ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5968873U true JPS5968873U (en) | 1984-05-10 |
Family
ID=30363542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16600682U Pending JPS5968873U (en) | 1982-11-01 | 1982-11-01 | ball valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5968873U (en) |
-
1982
- 1982-11-01 JP JP16600682U patent/JPS5968873U/en active Pending
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