JP7469955B2 - 往復動ピストンポンプ - Google Patents
往復動ピストンポンプ Download PDFInfo
- Publication number
- JP7469955B2 JP7469955B2 JP2020092065A JP2020092065A JP7469955B2 JP 7469955 B2 JP7469955 B2 JP 7469955B2 JP 2020092065 A JP2020092065 A JP 2020092065A JP 2020092065 A JP2020092065 A JP 2020092065A JP 7469955 B2 JP7469955 B2 JP 7469955B2
- Authority
- JP
- Japan
- Prior art keywords
- intake valve
- valve seat
- water intake
- piston rod
- piston
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 238000012856 packing Methods 0.000 claims description 34
- 239000007788 liquid Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 230000007246 mechanism Effects 0.000 description 7
- 230000010349 pulsation Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Reciprocating Pumps (AREA)
- Compressor (AREA)
Description
Claims (1)
- 軸線方向後端側が駆動部(9)に連結され、シリンダ(3)内を往復動するピストン棒(7)と、
円筒状を成し前記ピストン棒(7)に外嵌されて固定され軸線方向前後を連通する通孔(27)を周方向に沿って複数有する吸水弁座(22b)及び前記吸水弁座(22b)の外周側に円環状に保持され前記シリンダ(3)の内周面に摺接する弾性体より成るパッキン(22a)を備えたピストンパッキン(22)と、
円筒状を成して前記ピストン棒(7)に軸線方向移動可能に外挿され、前記吸水弁座(22b)の軸線方向前側に位置し前記吸水弁座(22b)に対して離座/着座することにより前記通孔(27)を開閉する吸水弁(21)と、
前記吸水弁(21)を前記吸水弁座(22b)に着座するように押圧する押圧手段(23)と、を備えた往復動ピストンポンプ(100)であって、
前記吸水弁座(22b)の前記通孔(27)は、周方向に沿って等間隔に離間配置され、
前記吸水弁座(22b)の軸線方向前面には、軸線方向後方へ凹設される凹設溝(28)が複数の前記通孔(27)を繋ぐように円環状に設けられており、
前記通孔(27)は、軸線方向視において円弧状を成す長孔であることを特徴とする往復動ピストンポンプ(100)。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020092065A JP7469955B2 (ja) | 2020-05-27 | 2020-05-27 | 往復動ピストンポンプ |
PCT/JP2021/019214 WO2021241403A1 (ja) | 2020-05-27 | 2021-05-20 | 往復動ピストンポンプ |
TW110119088A TW202212701A (zh) | 2020-05-27 | 2021-05-26 | 往復移動活塞泵 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020092065A JP7469955B2 (ja) | 2020-05-27 | 2020-05-27 | 往復動ピストンポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021188537A JP2021188537A (ja) | 2021-12-13 |
JP7469955B2 true JP7469955B2 (ja) | 2024-04-17 |
Family
ID=78744508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020092065A Active JP7469955B2 (ja) | 2020-05-27 | 2020-05-27 | 往復動ピストンポンプ |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP7469955B2 (ja) |
TW (1) | TW202212701A (ja) |
WO (1) | WO2021241403A1 (ja) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5735630Y2 (ja) * | 1981-07-16 | 1982-08-06 | ||
JPS61181881U (ja) * | 1985-05-01 | 1986-11-13 | ||
JPH1150970A (ja) * | 1997-08-05 | 1999-02-23 | Maruyama Mfg Co Ltd | 強制弁式ピストンポンプ |
-
2020
- 2020-05-27 JP JP2020092065A patent/JP7469955B2/ja active Active
-
2021
- 2021-05-20 WO PCT/JP2021/019214 patent/WO2021241403A1/ja active Application Filing
- 2021-05-26 TW TW110119088A patent/TW202212701A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
WO2021241403A1 (ja) | 2021-12-02 |
TW202212701A (zh) | 2022-04-01 |
JP2021188537A (ja) | 2021-12-13 |
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