JP6349132B2 - 遮断弁 - Google Patents
遮断弁 Download PDFInfo
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- JP6349132B2 JP6349132B2 JP2014080103A JP2014080103A JP6349132B2 JP 6349132 B2 JP6349132 B2 JP 6349132B2 JP 2014080103 A JP2014080103 A JP 2014080103A JP 2014080103 A JP2014080103 A JP 2014080103A JP 6349132 B2 JP6349132 B2 JP 6349132B2
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- valve
- valve body
- shaft
- shut
- posture
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 114
- 238000004891 communication Methods 0.000 claims description 53
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- 239000008399 tap water Substances 0.000 claims description 9
- 235000020679 tap water Nutrition 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 description 8
- 238000011144 upstream manufacturing Methods 0.000 description 8
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- 230000005856 abnormality Effects 0.000 description 3
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- 239000007789 gas Substances 0.000 description 2
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- 238000007789 sealing Methods 0.000 description 2
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- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
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- 230000002265 prevention Effects 0.000 description 1
- 235000014214 soft drink Nutrition 0.000 description 1
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- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Lift Valve (AREA)
Description
Claims (5)
- 各戸へ水道水を供給する給水路に設けられる水道メータを収容するメータボックスの内部に配置される遮断弁であり、
前記遮断弁は、流体供給路の一次側開口および二次側開口が形成された弁箱と、弁箱に収容された弁体と、弁体の回動中心となる軸体と、弁箱の内部の一次側流体供給路と二次側流体供給路とを連通する連通開口部が形成された弁台と、弁体を軸体回りに回動させる弁体回動手段とを備え、
弁体回動手段は、所定の震度以上の地震を検知する地震検知器と、地震検知器が地震を検知した際に弁体の回動を行う制御部とを備え、
軸体は弁体の端部側に取付けられ、弁体は連通開口部に対し一次側にあって、弁体回動手段によって軸体回りに回動することで、連通開口部から離れてこれを開放した供給姿勢と連通開口部に当接してこれを閉じた供給遮断姿勢とに切替可能とされ、
弁体は、弁体回動手段の駆動によって、供給姿勢から軸体回りに連通開口部側へ回動して供給遮断姿勢となるよう構成されたことを特徴とする遮断弁。 - 弁台の連通開口部は、一次側開口および二次側開口を直線的に結んだ流体供給方向に対して、軸体から離れる方が一次側開口寄りに傾斜した請求項1記載の遮断弁。
- 弁体は、一次側開口および二次側開口を直線的に結んだ流体供給路から外れた位置で供給姿勢となり、軸体は流体供給路から外れた位置にある請求項1または請求項2の何れか1項に記載の遮断弁。
- 弁体は軸体への取付部分を備え、取付部分は軸体の外周面にがたつきをもって取付けられた請求項1ないし請求項3の何れか1項に記載の遮断弁。
- 弁体の取付部分は、軸体の外周面との間に片側0.2〜0.5mmの隙間をもって取付けられることで、取付部分が軸体の外周面にがたつきをもって取付けられた請求項4に記載の遮断弁。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014080103A JP6349132B2 (ja) | 2014-04-09 | 2014-04-09 | 遮断弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014080103A JP6349132B2 (ja) | 2014-04-09 | 2014-04-09 | 遮断弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015200382A JP2015200382A (ja) | 2015-11-12 |
JP6349132B2 true JP6349132B2 (ja) | 2018-06-27 |
Family
ID=54551817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014080103A Active JP6349132B2 (ja) | 2014-04-09 | 2014-04-09 | 遮断弁 |
Country Status (1)
Country | Link |
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JP (1) | JP6349132B2 (ja) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO130493C (ja) * | 1969-03-28 | 1974-12-18 | Satakunnan Valu Ky Mikkola | |
US3938541A (en) * | 1974-01-25 | 1976-02-17 | Westinghouse Electric Corporation | Shaft seal for a check valve |
JP4475546B2 (ja) * | 2004-03-11 | 2010-06-09 | 千住スプリンクラー株式会社 | 流水検知装置 |
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2014
- 2014-04-09 JP JP2014080103A patent/JP6349132B2/ja active Active
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JP2015200382A (ja) | 2015-11-12 |
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