JPH01158879U - - Google Patents
Info
- Publication number
- JPH01158879U JPH01158879U JP5558188U JP5558188U JPH01158879U JP H01158879 U JPH01158879 U JP H01158879U JP 5558188 U JP5558188 U JP 5558188U JP 5558188 U JP5558188 U JP 5558188U JP H01158879 U JPH01158879 U JP H01158879U
- Authority
- JP
- Japan
- Prior art keywords
- valve stem
- outer periphery
- valve
- seal
- seal structure
- 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
- 238000007789 sealing Methods 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000011162 core material Substances 0.000 description 1
Landscapes
- Details Of Valves (AREA)
Description
第1図は弁棒の正面図、第2図は第1図の縦断
面図、第3図はシール層の層成ならびに弁棒芯材
への装着手段の実施例を異にする弁棒の断面図、
第4図は弁本体と弁棒との接触状態を説明するた
めの拡大断面図である。
4……弁棒、5……弁棒芯材、6……シール層
、11……弁孔、12……環状***部、13……
環条凹溝。
FIG. 1 is a front view of a valve stem, FIG. 2 is a longitudinal sectional view of FIG. cross section,
FIG. 4 is an enlarged sectional view for explaining the state of contact between the valve body and the valve stem. 4... Valve stem, 5... Valve stem core material, 6... Seal layer, 11... Valve hole, 12... Annular protrusion, 13...
Annular groove.
Claims (1)
ける所望箇所にゴムあるいは樹脂系ゴムを素材と
してシール層6を弁棒芯材5と一体になるように
成形手段によつて層成して成ることを特徴とする
弁棒外周のシール構造。 (2) シール層6で被覆した弁棒4の外周におい
て弁孔11開口部に隣接する位置に環条凹溝13
で区画した環状***部12を形成したことを特徴
とする請求項1記載の弁棒外周のシール構造。[Scope of Claim for Utility Model Registration] (1) A sealing layer 6 made of rubber or resin-based rubber is formed at a desired location on the outer periphery of the valve stem core 5 that opens the valve hole 11 so as to be integrated with the valve stem core 5. A seal structure for the outer periphery of a valve stem, characterized in that the seal structure is formed by forming layers by forming means. (2) An annular groove 13 is provided at a position adjacent to the opening of the valve hole 11 on the outer periphery of the valve stem 4 covered with the seal layer 6.
2. The sealing structure for the outer periphery of a valve stem according to claim 1, further comprising an annular raised portion 12 partitioned by .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988055581U JPH0539242Y2 (en) | 1988-04-25 | 1988-04-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988055581U JPH0539242Y2 (en) | 1988-04-25 | 1988-04-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01158879U true JPH01158879U (en) | 1989-11-02 |
JPH0539242Y2 JPH0539242Y2 (en) | 1993-10-05 |
Family
ID=31281483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988055581U Expired - Lifetime JPH0539242Y2 (en) | 1988-04-25 | 1988-04-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0539242Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016539695A (en) * | 2013-11-26 | 2016-12-22 | ユナイテッド ステイツ エンドスコピー グループ,インコーポレイテッド | Disposable air / water valve for endoscopic device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4826182U (en) * | 1971-07-30 | 1973-03-29 | ||
JPS5545943U (en) * | 1978-09-22 | 1980-03-26 | ||
JPS57136060U (en) * | 1981-02-19 | 1982-08-25 | ||
JPS61223380A (en) * | 1985-03-22 | 1986-10-03 | マツク・バルブス・インコ−ポレ−テツド | Valve spool |
-
1988
- 1988-04-25 JP JP1988055581U patent/JPH0539242Y2/ja not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4826182U (en) * | 1971-07-30 | 1973-03-29 | ||
JPS5545943U (en) * | 1978-09-22 | 1980-03-26 | ||
JPS57136060U (en) * | 1981-02-19 | 1982-08-25 | ||
JPS61223380A (en) * | 1985-03-22 | 1986-10-03 | マツク・バルブス・インコ−ポレ−テツド | Valve spool |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016539695A (en) * | 2013-11-26 | 2016-12-22 | ユナイテッド ステイツ エンドスコピー グループ,インコーポレイテッド | Disposable air / water valve for endoscopic device |
Also Published As
Publication number | Publication date |
---|---|
JPH0539242Y2 (en) | 1993-10-05 |