JP7396943B2 - 水ガバナ - Google Patents
水ガバナ Download PDFInfo
- Publication number
- JP7396943B2 JP7396943B2 JP2020049341A JP2020049341A JP7396943B2 JP 7396943 B2 JP7396943 B2 JP 7396943B2 JP 2020049341 A JP2020049341 A JP 2020049341A JP 2020049341 A JP2020049341 A JP 2020049341A JP 7396943 B2 JP7396943 B2 JP 7396943B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- shaft
- diaphragm
- flange portion
- spring receiver
- 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 title claims description 36
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 239000000872 buffer Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Control Of Fluid Pressure (AREA)
- Safety Valves (AREA)
Description
Claims (2)
- 水路に介設される水ガバナであって、上流側の一次圧室と下流側の二次圧室とを連通する弁孔を形成した弁座と、前記二次圧室の前記弁座とは反対側の面を覆うダイヤフラムと、前記一次圧室に配置された、前記弁座に対向する弁体と、前記弁体から前記弁孔を通して前記ダイヤフラム側にのび、先端のフランジ部と、前記フランジ部より小径の前記フランジ部と前記弁体との間の軸部と、を有する弁軸と、前記フランジ部に係合して抜け止めされるように前記弁軸に装着されるバネ受けと、前記バネ受けと前記弁座との間に介設されるコイルバネとを備え、前記コイルバネの付勢力により前記バネ受けが前記ダイヤフラムに当接し、前記弁体が前記バネ受けと前記弁軸とを介して前記ダイヤフラムに追従して変位するようにしたものにおいて、
前記バネ受けの前記ダイヤフラムに当接する面とは反対側の面に、前記コイルバネの当接部分より径方向内側に位置させて、前記フランジ部の前記バネ受け側を向く面に対向する端壁部と、前記フランジ部を囲う周壁部と、前記フランジ部の前記弁体側を向く面に対向し、前記軸部が貫通する軸孔が形成された底壁部とを有するポケット部が設けられ、前記ポケット部の前記周壁部及び前記底壁部の周方向1箇所に、前記フランジ部及び前記軸部を径方向から挿入可能な開口が形成されることを特徴とする水ガバナ。 - 前記ポケット部の前記底壁部に形成する前記開口の周方向幅は、前記軸部の外径よりも小さく、前記軸部が開口を押し広げながら前記軸孔に収納されることを特徴とする請求項1記載の水ガバナ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020049341A JP7396943B2 (ja) | 2020-03-19 | 2020-03-19 | 水ガバナ |
CN202110081033.3A CN113494635A (zh) | 2020-03-19 | 2021-01-21 | 水调速器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020049341A JP7396943B2 (ja) | 2020-03-19 | 2020-03-19 | 水ガバナ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021149575A JP2021149575A (ja) | 2021-09-27 |
JP7396943B2 true JP7396943B2 (ja) | 2023-12-12 |
Family
ID=77848972
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020049341A Active JP7396943B2 (ja) | 2020-03-19 | 2020-03-19 | 水ガバナ |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP7396943B2 (ja) |
CN (1) | CN113494635A (ja) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57410Y2 (ja) * | 1976-07-15 | 1982-01-06 |
-
2020
- 2020-03-19 JP JP2020049341A patent/JP7396943B2/ja active Active
-
2021
- 2021-01-21 CN CN202110081033.3A patent/CN113494635A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2021149575A (ja) | 2021-09-27 |
CN113494635A (zh) | 2021-10-12 |
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