JP4458823B2 - 逆止弁 - Google Patents
逆止弁 Download PDFInfo
- Publication number
- JP4458823B2 JP4458823B2 JP2003394606A JP2003394606A JP4458823B2 JP 4458823 B2 JP4458823 B2 JP 4458823B2 JP 2003394606 A JP2003394606 A JP 2003394606A JP 2003394606 A JP2003394606 A JP 2003394606A JP 4458823 B2 JP4458823 B2 JP 4458823B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- check valve
- pipe
- dust
- 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.)
- Expired - Fee Related
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Description
21 弁体
22 弁座
23 流入口
24 吐出口
25 メンテナンス用弁
26 ごみ堆積スペース
27 開口
28 蓋
29 ドレン管
30 開閉弁
40 弁箱
41 弁体
42 流入口
43 吐出口
44 ごみ堆積部
45 蓋
46 開口
50 分岐管
51 メンテナンス用弁
52 ごみ排出用弁
53 ドレン管
54 開閉弁
55 つなぎ口端部
Claims (2)
- 弁箱内に回動自在な弁体を設け、ポンプ運転による吐出水の流入により開き、ポンプ停止による吐出水の停止により閉じる構造で、該弁箱の下部に流入口と、該弁箱の上部に吐出口とを備え、排水設備の立ち上がり配管に設置された逆止弁であって、
前記弁箱内に連通し且つ該弁体の回動範囲の外に傾斜内壁面を有するごみ堆積スペースを設け、前記弁体が閉じたとき、前記弁体が該ごみ堆積スペースに向って下方に傾斜した傾斜面をつくり、前記ごみ堆積スペースの前記傾斜内壁面を前記傾斜面の延長線下方に連続隣接させて配置し、前記吐出口を通り落下してきたごみが、該傾斜面を滑り落ち該ごみ堆積スペースに集まるようにしたことを特徴とする逆止弁。 - 請求項1に記載の発明において、
前記弁体が弁体の下部を支点に回動し開いたとき、前記弁体が前記ごみ堆積スペースに向かって下方に更に傾斜した傾斜面をつくり、前記弁体の上面に残ったごみが、前記ごみ堆積スペースに落下するようにしたことを特徴とする逆止弁。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003394606A JP4458823B2 (ja) | 2003-11-25 | 2003-11-25 | 逆止弁 |
Applications Claiming Priority (1)
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---|---|---|---|
JP2003394606A JP4458823B2 (ja) | 2003-11-25 | 2003-11-25 | 逆止弁 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009161168A Division JP2009222235A (ja) | 2009-07-07 | 2009-07-07 | 逆止弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005155770A JP2005155770A (ja) | 2005-06-16 |
JP4458823B2 true JP4458823B2 (ja) | 2010-04-28 |
Family
ID=34720627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003394606A Expired - Fee Related JP4458823B2 (ja) | 2003-11-25 | 2003-11-25 | 逆止弁 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4458823B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019041083A1 (zh) * | 2017-08-28 | 2019-03-07 | 魏善龙 | 一种微重力自闭式地漏及排水方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014198973A (ja) * | 2013-03-29 | 2014-10-23 | 積水化学工業株式会社 | 多弁式真空弁ユニット及び真空式下水システム |
CN103615386B (zh) * | 2013-11-29 | 2016-08-17 | 中国有色(沈阳)泵业有限公司 | 一种三通式进料阀箱 |
-
2003
- 2003-11-25 JP JP2003394606A patent/JP4458823B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019041083A1 (zh) * | 2017-08-28 | 2019-03-07 | 魏善龙 | 一种微重力自闭式地漏及排水方法 |
Also Published As
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JP2005155770A (ja) | 2005-06-16 |
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