JPH01115073U - - Google Patents
Info
- Publication number
- JPH01115073U JPH01115073U JP960088U JP960088U JPH01115073U JP H01115073 U JPH01115073 U JP H01115073U JP 960088 U JP960088 U JP 960088U JP 960088 U JP960088 U JP 960088U JP H01115073 U JPH01115073 U JP H01115073U
- Authority
- JP
- Japan
- Prior art keywords
- ball
- annular
- ball valve
- seat structure
- cylindrical
- 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
- 238000007789 sealing Methods 0.000 claims 2
- 229920006015 heat resistant resin Polymers 0.000 claims 1
Landscapes
- Taps Or Cocks (AREA)
Description
第１図は本考案のシート構造を有するボールバ
ルブの一実施例を示す縦断面図、第２図Ａ，Ｂは
第１図に示したボールバルブのシート構造の例を
示す部分拡大断面図であり、第３図及び第４図は
夫々従来のボールバルブの中で構造が比較的簡単
なもののシート構造を示した部分拡大断面図であ
る。
１……ボールバルブ、２……ボール、２ａ……
貫通孔、３……環状シート、３ａ……円筒内面、
３ｂ……円筒外面、３ｃ……Ｏリング溝、３ｄ…
…一方の側面、３ｅ……シール面、３ｆ……他方
の側面、４……ボデー、５……段部、５ａ……円
筒面、５ｂ……外縁側、６ｂ……内縁側、７……
Ｏリング。
FIG. 1 is a vertical sectional view showing an embodiment of a ball valve having a seat structure of the present invention, and FIGS. 2A and 2B are partially enlarged sectional views showing an example of the seat structure of the ball valve shown in FIG. 3 and 4 are partially enlarged sectional views showing the seat structure of a conventional ball valve with a relatively simple structure. 1...Ball valve, 2...Ball, 2a...
Through hole, 3... annular sheet, 3a... cylindrical inner surface,
3b... Cylindrical outer surface, 3c... O-ring groove, 3d...
...One side, 3e...Seal surface, 3f...Other side, 4...Body, 5...Step, 5a...Cylindrical surface, 5b...Outer edge side, 6b...Inner edge side, 7...
O-ring.
Claims (1)
面とＯリング溝を有する円筒外面と該ボールにシ
ール接触するシール面を有する一方の側面と截頭
円錐面の他方の側面とを有する環状シートと、該
Ｏリング溝に装入され該環状シートとボデーの該
ボールに向かつて開口した段部の円筒面との間を
シールするＯリングと、外縁側を該段部の突起部
に内縁側を該他方の側面に接して弾発状態で組み
込まれる環状板ばねとからなるボールバルブのシ
ート構造。 (2) 該環状シートが硬質耐熱性樹脂製である請
求項１記載のボールバルブのシート構造。 (3) 該環状板ばねが平板形である請求項１記載
のボールバルブのシート構造。[Claims for Utility Model Registration] (1) A cylindrical inner surface with an inner diameter approximately equal to the through hole of the ball, a cylindrical outer surface having an O-ring groove, one side surface having a sealing surface that makes sealing contact with the ball, and a truncated conical surface. an O-ring that is inserted into the O-ring groove and seals between the annular sheet and the cylindrical surface of the stepped portion of the body that is open toward the ball; A seat structure for a ball valve comprising an annular leaf spring that is installed in a protrusion of a stepped portion in a resilient manner with its inner edge side in contact with the other side surface. (2) The ball valve seat structure according to claim 1, wherein the annular seat is made of a hard heat-resistant resin. (3) The ball valve seat structure according to claim 1, wherein the annular leaf spring has a flat plate shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP960088U JPH01115073U (en) | 1988-01-29 | 1988-01-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP960088U JPH01115073U (en) | 1988-01-29 | 1988-01-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01115073U true JPH01115073U (en) | 1989-08-02 |
Family
ID=31216482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP960088U Pending JPH01115073U (en) | 1988-01-29 | 1988-01-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01115073U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5229629B2 (en) * | 1971-07-26 | 1977-08-03 |
-
1988
- 1988-01-29 JP JP960088U patent/JPH01115073U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5229629B2 (en) * | 1971-07-26 | 1977-08-03 |