JPH0243568U - - Google Patents
Info
- Publication number
- JPH0243568U JPH0243568U JP12142188U JP12142188U JPH0243568U JP H0243568 U JPH0243568 U JP H0243568U JP 12142188 U JP12142188 U JP 12142188U JP 12142188 U JP12142188 U JP 12142188U JP H0243568 U JPH0243568 U JP H0243568U
- Authority
- JP
- Japan
- Prior art keywords
- ball
- spring
- seat
- ball valve
- model registration
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 229910000881 Cu alloy Inorganic materials 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
Landscapes
- Taps Or Cocks (AREA)
Description
第１図は本考案の一実施例を示すシール部の断
面図、第２図は従来例を示すシール部の断面図で
ある。
１……弁箱、２……バツクアツプリング、３…
…ボール、４……シートリング、６……加熱膨脹
黒鉛入りゴム、５１，５２……金属製環状板。
FIG. 1 is a sectional view of a seal portion showing an embodiment of the present invention, and FIG. 2 is a sectional view of a seal portion showing a conventional example. 1... Valve box, 2... Backup spring, 3...
...Ball, 4... Seat ring, 6... Rubber containing heat-expanded graphite, 51, 52... Metal annular plate.
Claims (1)
の間に樹脂製のシートリングを介してシールする
ボールバルブにおいて、前記シートリングの内外
周面を銅合金製のバツクアツプリングで抱持する
と共に、該抱持したバツクアツプリングのボール
外面側に補助シート部を形成し、前記バツクアツ
プリングと弁箱内面に設けたシート座との間に金
属製反発部材を内部に充填した加熱膨脹黒鉛入り
ゴムを装着したことを特徴とするボールバルブ。 ２ 実用新案登録請求の範囲第１項記載において
、前記反発部材は互いに軸線方向外側に向つて突
出する２枚の環状板を対向して密着させてなるこ
とを特徴とするボールバルブ。[Claims for Utility Model Registration] 1. A ball valve that seals between a seat provided on the inner surface of the valve body and the outer surface of a ball through a resin seat ring, in which the inner and outer peripheral surfaces of the seat ring are made of copper alloy. The ball is held by a back-up spring, an auxiliary seat is formed on the outer surface of the held back-up spring, and a metal repulsion member is provided between the back-up spring and a seat provided on the inner surface of the valve box. A ball valve equipped with heat-expanded graphite-containing rubber filled inside. 2. Utility Model Registration The ball valve according to claim 1, wherein the repulsion member is formed by two annular plates that protrude axially outward and are brought into close contact with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12142188U JPH0243568U (en) | 1988-09-16 | 1988-09-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12142188U JPH0243568U (en) | 1988-09-16 | 1988-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0243568U true JPH0243568U (en) | 1990-03-26 |
Family
ID=31368409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12142188U Pending JPH0243568U (en) | 1988-09-16 | 1988-09-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0243568U (en) |
-
1988
- 1988-09-16 JP JP12142188U patent/JPH0243568U/ja active Pending
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