JP4646606B2 - 内副管付合成樹脂製排水ます - Google Patents
内副管付合成樹脂製排水ます Download PDFInfo
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- JP4646606B2 JP4646606B2 JP2004331983A JP2004331983A JP4646606B2 JP 4646606 B2 JP4646606 B2 JP 4646606B2 JP 2004331983 A JP2004331983 A JP 2004331983A JP 2004331983 A JP2004331983 A JP 2004331983A JP 4646606 B2 JP4646606 B2 JP 4646606B2
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- pipe
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Description
(本発明の適用例の概要)
本発明を適用した実施例の屋外の合流式排水ます(公共ますを含む)1は、特に、建屋の基礎コンクリ−ト近傍に設置する小口径排水ますであって、全体が合成樹脂製、特に塩ビ射出成形製であり、その主要寸法は、屋内排水管、すなわち排水枝管2の口径が75mmφから100mmφ、屋外排水主管(3)、すなわち排水管3の口径が100mmφから150mmφ、ます口径が150mmφから200mmφのものに好都合に適用される。
(本実施例の排水ますの概要)
この排水ます1は、前記のように点検筒部材4とインバ−ト部材5とからなり、その中間にます用高さ調節部材20を介在しており、この点検筒部材4の上端部には高さ調節自在の密閉式開閉蓋21を設けている。
(本発明の主要部)
ここにおいて、本発明の課題を解決するため、すなわち、特に、集合一括排水設備と宅内の排水管3とを段差接合により接続するのに用いる内副管22付排水ます1において、該内副管22から出る排水をインバ−ト7から排水管3の上流側9へ逆流させないため、試行錯誤したところ、内副管22を出た排水が排水ます1のインバ−ト7やます立上り部位29に衝突して跳ね返ることにより、この逆流現象が生じる、ということを発見し、本発明が創作された。
る。
○…殆ど逆流しない(スム−ズに流下)
▽…逆流大
したがって、例えば集合一括排水設備において、かかる○印のついた、排水直接落下穴の短径d1 を内副管22の径の3割以下とする略90°エルボ25を用いると、例えば風呂水を満管流で排水枝管2へ流し、排水管3の上流側9からトイレ排水をこの排水ます1に合流させても、全体としてスム−ズな流れにすることができた。もし、この風呂水が逆流すれば、トイレ汚水の固形物がフラッシュアウトせず滞留し、異臭の原因となる。
22 内副管
25 略90°エルボ
26 開口部
Q 接線
θ 傾き
Claims (1)
- 合流式インバート部材をもつ内副管付排水ますにして、
該内副管の下端に、該排水ますに接続した宅内排水管の下流側に向け略90°エルボを設け、
該エルボを、上向き接続部と外曲面とがあり、かつ、横向き接続部と内曲面とがなく、その代り、横向き開口部を形成した形状とし、該開口部の上端高さh2 を、前記下流側の宅内排水管の管頂より上方に位置させ、前記インバート部材の上向き開口部位と向き合うようにした宅内用内副管付合成樹脂製排水ますにあって、
前記開口部の下端を前記内副管の内側に位置させて平面視で略新月状ないし楕円状の排水落下穴を形成し、該排水落下穴を、その短径d1 を前記内副管の径d0 に対し、約0.3×d0 以下にした排水落下穴として、
前記開口部の上端側の排水流れを該排水落下穴へ誘導して前記上向き開口部位への衝突を抑制すると共に、インバートへの流下衝突をも防止することにより、
該内副管を流下する排水を、該インバートの上流側へ逆流しないようにしたことを特徴とする宅内用内副管付合成樹脂製排水ます。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2004331983A JP4646606B2 (ja) | 2004-11-16 | 2004-11-16 | 内副管付合成樹脂製排水ます |
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JP2004331983A JP4646606B2 (ja) | 2004-11-16 | 2004-11-16 | 内副管付合成樹脂製排水ます |
Publications (2)
Publication Number | Publication Date |
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JP2006144254A JP2006144254A (ja) | 2006-06-08 |
JP4646606B2 true JP4646606B2 (ja) | 2011-03-09 |
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JP2004331983A Active JP4646606B2 (ja) | 2004-11-16 | 2004-11-16 | 内副管付合成樹脂製排水ます |
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JP (1) | JP4646606B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111962780B (zh) * | 2020-08-21 | 2021-08-06 | 中建二局第一建筑工程有限公司 | 接水结构 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0453842U (ja) * | 1990-09-07 | 1992-05-08 | ||
JP2004278095A (ja) * | 2003-03-14 | 2004-10-07 | Aron Kasei Co Ltd | 宅内設置の排水ます |
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2004
- 2004-11-16 JP JP2004331983A patent/JP4646606B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0453842U (ja) * | 1990-09-07 | 1992-05-08 | ||
JP2004278095A (ja) * | 2003-03-14 | 2004-10-07 | Aron Kasei Co Ltd | 宅内設置の排水ます |
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JP2006144254A (ja) | 2006-06-08 |
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