JP4544613B2 - 逆流防止機能付き用水弁 - Google Patents
逆流防止機能付き用水弁 Download PDFInfo
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- JP4544613B2 JP4544613B2 JP2004083889A JP2004083889A JP4544613B2 JP 4544613 B2 JP4544613 B2 JP 4544613B2 JP 2004083889 A JP2004083889 A JP 2004083889A JP 2004083889 A JP2004083889 A JP 2004083889A JP 4544613 B2 JP4544613 B2 JP 4544613B2
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- Prior art keywords
- valve
- valve body
- water
- water supply
- opening degree
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 113
- 230000002265 prevention Effects 0.000 title claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 239000003621 irrigation water Substances 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
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Description
Claims (2)
- 給水側パイプラインから給水パイプに供給される用水を水田の耕作区に供給するための用水弁であって、該用水弁は、前記給水パイプの先端部のパイプ端を斜めに切り落としたパイプからなる弁箱部と、該弁箱部のパイプ端を開閉する比重が1.0以上の弁体と、該弁体の最大開度を規制する開度規制手段と、前記弁体及び前記開度規制手段を前記弁箱部に装着する支持部材とで形成され、該支持部材は、前記弁体を回動可能に支持する軸支部と、前記開度規制手段を取り付ける雌ねじ部材とを有するとともに、前記支持部材を前記弁箱部の先端部に固定する一対の半割状のブラケットを有し、一方の半割状ブラケットは前記支持部材に一体に設けられ、この一方のブラケットを前記弁箱部の上半部に取り付けるとともに、他方のブラケットを前記弁箱部の下半部に取り付け、両者の突き合わせ部をボルト及びナットで締め付けることにより、前記支持部材を介して前記弁体及び前記開度規制手段が前記弁箱部に固定され、前記弁体は、前記軸支部に取り付けた水平方向の回動軸により、弁体先端が上下方向に回動するように設けられ、前記開度規制手段は、前記雌ねじ部材に設けられた雌ねじに螺合する雄ねじ部材の基端部に操作用のハンドルを設けるとともに、雄ねじ部材の先端を前記弁体の外面に当接し、前記雄ねじ部材を前記雌ねじに対して螺動させることにより、前記弁体を全閉位置に保持したり、全開位置又は全閉位置と全開位置との間の中間開度位置に弁体の開度を設定できようにしたことを特徴とする逆流防止機能付き用水弁。
- 前記弁体の本体を形成する材料の比重が1.0以下の場合は、弁体の比重が1.0以上になる重量のおもりを取り付けることを特徴とする請求項1記載の逆流防止機能付き用水弁。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004083889A JP4544613B2 (ja) | 2004-03-23 | 2004-03-23 | 逆流防止機能付き用水弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004083889A JP4544613B2 (ja) | 2004-03-23 | 2004-03-23 | 逆流防止機能付き用水弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005269910A JP2005269910A (ja) | 2005-10-06 |
JP4544613B2 true JP4544613B2 (ja) | 2010-09-15 |
Family
ID=35170212
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004083889A Expired - Fee Related JP4544613B2 (ja) | 2004-03-23 | 2004-03-23 | 逆流防止機能付き用水弁 |
Country Status (1)
Country | Link |
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JP (1) | JP4544613B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101522296B1 (ko) * | 2014-11-24 | 2015-05-29 | 주식회사성일 티이씨 | 댐퍼용 개폐핸들 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS517542Y2 (ja) * | 1972-11-18 | 1976-03-01 | ||
JPH01142645U (ja) * | 1988-03-28 | 1989-09-29 | ||
JPH0965777A (ja) * | 1995-08-31 | 1997-03-11 | Taishiyoo:Kk | 水田用給水装置 |
JP2002005318A (ja) * | 2000-06-23 | 2002-01-09 | Kubota Corp | スイング逆止弁 |
-
2004
- 2004-03-23 JP JP2004083889A patent/JP4544613B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS517542Y2 (ja) * | 1972-11-18 | 1976-03-01 | ||
JPH01142645U (ja) * | 1988-03-28 | 1989-09-29 | ||
JPH0965777A (ja) * | 1995-08-31 | 1997-03-11 | Taishiyoo:Kk | 水田用給水装置 |
JP2002005318A (ja) * | 2000-06-23 | 2002-01-09 | Kubota Corp | スイング逆止弁 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101522296B1 (ko) * | 2014-11-24 | 2015-05-29 | 주식회사성일 티이씨 | 댐퍼용 개폐핸들 |
Also Published As
Publication number | Publication date |
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JP2005269910A (ja) | 2005-10-06 |
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