JP4918432B2 - 逆止弁 - Google Patents
逆止弁 Download PDFInfo
- Publication number
- JP4918432B2 JP4918432B2 JP2007206448A JP2007206448A JP4918432B2 JP 4918432 B2 JP4918432 B2 JP 4918432B2 JP 2007206448 A JP2007206448 A JP 2007206448A JP 2007206448 A JP2007206448 A JP 2007206448A JP 4918432 B2 JP4918432 B2 JP 4918432B2
- Authority
- JP
- Japan
- Prior art keywords
- hollow cylindrical
- piston member
- port
- check valve
- cylindrical member
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 claims description 83
- 238000011144 upstream manufacturing Methods 0.000 claims description 32
- 238000007599 discharging Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Fluid-Driven Valves (AREA)
- Check Valves (AREA)
Description
1a…吐出口
1b…円筒部
1c…周壁
1d…レール
1e…キャップ部材
2…ピストン部材
2a…開口端
2b…頂部
2c…円筒部
2d…ピストン部
2e…凸部
A,B…流通口
3…コイルバネ
4…整流板
41a…開口部
41b…吐出部
41…中空筒状部材
41c…中空部
42…スプリング
43…ボール
Claims (6)
- 一方の端部に流体を吐出可能な吐出口を有するとともに他方の端部が開口した中空筒状部材と、この中空筒状部材の側面に形成され、かつ前記吐出口に向かって流体を流通可能な第1の流通口と、前記中空筒状部材の中空部内を受圧により軸方向に摺動可能に配置され、かつ前記吐出口側に開口端を有する中空状ピストン部材と、このピストン部材の側面に形成され、かつ前記ピストン部材の軸方向の前進動に伴って第1の流通口に連通可能であるとともに、前記開口端に向かって流体を流通可能な第2の流通口と、前記中空筒状部材の中空部のうち前記ピストン部材の下流側に配置され、前記ピストン部材を上流方向に付勢するための付勢部材とを備えた逆止弁。
- ピストン部材の頂部に受圧部が形成されている請求項1記載の逆止弁。
- 第1の流通口および第2の流通口のうち、一方の流通口の軸方向の長さが、他方の流通口の軸方向の長さよりも大きい請求項1記載の逆止弁。
- 中空筒状部材とピストン部材との間に、中空筒状部材に対してピストン部材の周方向の回動を規制するとともに、ピストン部材を中空筒状部材の軸方向にスライドさせるための位置決めユニットが形成されている請求項1記載の逆止弁。
- 位置決めユニットが、中空筒状部材の内面およびピストン部材の外面のうちいずれか一方の面に形成された軸方向に延出する溝部と、他方の面に形成され、前記溝部に沿ってスライド可能な凸部とで構成されている請求項4記載の逆止弁。
- 付勢部材よりも下流側の中空部にさらに整流板を備えている請求項1記載の逆止弁。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007206448A JP4918432B2 (ja) | 2007-08-08 | 2007-08-08 | 逆止弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007206448A JP4918432B2 (ja) | 2007-08-08 | 2007-08-08 | 逆止弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009041645A JP2009041645A (ja) | 2009-02-26 |
JP4918432B2 true JP4918432B2 (ja) | 2012-04-18 |
Family
ID=40442595
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007206448A Active JP4918432B2 (ja) | 2007-08-08 | 2007-08-08 | 逆止弁 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4918432B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5357649B2 (ja) * | 2009-07-22 | 2013-12-04 | カヤバ工業株式会社 | リリーフ弁 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5835948A (ja) * | 1981-08-28 | 1983-03-02 | Fujitsu Ltd | 液冷モジユ−ル |
JPH0594220A (ja) * | 1991-09-30 | 1993-04-16 | Suzuki Motor Corp | 圧力制御装置 |
JPH0921470A (ja) * | 1995-07-06 | 1997-01-21 | Kubota Corp | クラッキング圧可変型チェッキ弁装置 |
JP2003159549A (ja) * | 2001-09-12 | 2003-06-03 | Ikeuchi:Kk | スプレーノズル |
KR200275315Y1 (ko) * | 2002-02-08 | 2002-05-11 | 윤무일 | 역화방지장치 |
-
2007
- 2007-08-08 JP JP2007206448A patent/JP4918432B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2009041645A (ja) | 2009-02-26 |
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