JPS59108869U - Seal mechanism for ball valves, etc. - Google Patents
Seal mechanism for ball valves, etc.Info
- Publication number
- JPS59108869U JPS59108869U JP133683U JP133683U JPS59108869U JP S59108869 U JPS59108869 U JP S59108869U JP 133683 U JP133683 U JP 133683U JP 133683 U JP133683 U JP 133683U JP S59108869 U JPS59108869 U JP S59108869U
- Authority
- JP
- Japan
- Prior art keywords
- seat ring
- main body
- ring
- valve body
- seal
- 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図は本考案によをボール弁等のシール機構の部分断
面図であり、第２図は従来のシール機構の部分断面図で
ある。１・・・・・・本体、２・・・・・・弁体、３・
・・・・・シートリング、３Ａ・・・・・・シール材収
納みぞ、４・・・・・・シール材、４Ａ・・・・・・突
起、５・・・・・・バックアップ用０リング、６・・・
・・・０リング、７・・・・・：ばね、８・・・・・・
ステム。FIG. 1 is a partial sectional view of a sealing mechanism such as a ball valve according to the present invention, and FIG. 2 is a partial sectional view of a conventional sealing mechanism. 1...Main body, 2...Valve body, 3.
... Seat ring, 3A ... Sealing material storage groove, 4 ... Sealing material, 4A ... Protrusion, 5 ... Backup O-ring , 6...
...0 ring, 7...: Spring, 8...
stem.
Claims (1)
て回転自在に支承され流路を開閉する弁体２と、本体１
と弁体２との間に設けられたシートリング３と、本体１
とシートリング３との間に設けられ流体をシールするＯ
リング６と、シートリング３内に設けられ弁体２とシー
トリング３との間の流体をシールするシール材４と、シ
ートリング３とシール材４との間に設けられたバックア
ップ用Ｏリング５と、本体１とシートリング３との間に
設けられシートリング３を弁体２に押圧するように作用
させたばね７とからなるボール弁等において、シートリ
ング３のシール材収納みぞ３Ａを断面略十字状に形成す
ると共に、シール材４の断面をこれと対応して略十字状
に形成し、シール材４の十字状の一部を形成する突起４
Ａの端面にバックアップ用０リング５を接触させるよう
にしたことを特徴とするボール弁等のシール機構。−A main body 1 having a flow path, a valve body 2 that is rotatably supported by a stem 8 in the main body 1 and opens and closes the flow path, and the main body 1
and the seat ring 3 provided between the valve body 2 and the main body 1.
and the seat ring 3 to seal the fluid.
A ring 6, a sealing material 4 provided within the seat ring 3 to seal fluid between the valve body 2 and the seat ring 3, and a backup O-ring 5 provided between the seat ring 3 and the seal material 4. and a spring 7 provided between the main body 1 and the seat ring 3 and acting to press the seat ring 3 against the valve body 2. The protrusion 4 is formed in a cross shape, and the cross section of the sealing material 4 is formed in a substantially cross shape correspondingly, and the projection 4 forms a part of the cross shape of the sealing material 4.
A sealing mechanism for a ball valve, etc., characterized in that a backup O-ring 5 is brought into contact with the end face of A. −
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP133683U JPS59108869U (en) | 1983-01-11 | 1983-01-11 | Seal mechanism for ball valves, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP133683U JPS59108869U (en) | 1983-01-11 | 1983-01-11 | Seal mechanism for ball valves, etc. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59108869U true JPS59108869U (en) | 1984-07-23 |
Family
ID=30133067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP133683U Pending JPS59108869U (en) | 1983-01-11 | 1983-01-11 | Seal mechanism for ball valves, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59108869U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009041776A (en) * | 2008-10-27 | 2009-02-26 | Kitz Corp | Ball valve |
| JP2019056315A (en) * | 2017-09-20 | 2019-04-11 | 株式会社ミクニ | Rotary valve device |
| KR101975897B1 (en) * | 2019-02-12 | 2019-05-07 | 주식회사 에스브이티 | Ball valve having enhanced sealing performance |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57171167A (en) * | 1981-04-14 | 1982-10-21 | Konan Denki Kk | Ball valve |
-
1983
- 1983-01-11 JP JP133683U patent/JPS59108869U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57171167A (en) * | 1981-04-14 | 1982-10-21 | Konan Denki Kk | Ball valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009041776A (en) * | 2008-10-27 | 2009-02-26 | Kitz Corp | Ball valve |
| JP2019056315A (en) * | 2017-09-20 | 2019-04-11 | 株式会社ミクニ | Rotary valve device |
| KR101975897B1 (en) * | 2019-02-12 | 2019-05-07 | 주식회사 에스브이티 | Ball valve having enhanced sealing performance |
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