JPH09273197A - Collective pipe of drain - Google Patents
Collective pipe of drainInfo
- Publication number
- JPH09273197A JPH09273197A JP8505496A JP8505496A JPH09273197A JP H09273197 A JPH09273197 A JP H09273197A JP 8505496 A JP8505496 A JP 8505496A JP 8505496 A JP8505496 A JP 8505496A JP H09273197 A JPH09273197 A JP H09273197A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- drainage
- horizontal
- drain
- collecting pipe
- 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.)
- Granted
Links
Landscapes
- Sink And Installation For Waste Water (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、例えば、中高層集
合住宅等において用いられる、汚水と雑排水を同一の排
水管に流す一管式排水管における排水管中に介装される
排水集合管に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drainage collecting pipe installed in a drainage pipe of a one-pipe type drainage pipe for flowing sewage and miscellaneous wastewater into the same drainage pipe, which is used, for example, in a high-rise housing complex. It is a thing.
【0002】[0002]
【従来の技術】従来、排水集合管にあっては、上部管体
と下部管体とから構成されると共に、上部管体及び下部
管体に、横方向に配置された横排水管を接続させるため
の横接続部がそれぞれ設けられ、これら横接続部の排水
流出側の開口が径方向に対向する面に形成されたものが
あり、上部管体の横接続部から排水集合管内に流出した
排水が、下部管体の横接続部を介して該横接続部に接続
される横排水管に逆流するという問題がある。この場
合、逆流を防止する逆流防止部を設けることが考えら
れ、この逆流防止部を設けたものとして、実公昭63−
39511号公報に開示されたものがある。2. Description of the Related Art Conventionally, a drainage collecting pipe is composed of an upper pipe body and a lower pipe body, and a horizontal drain pipe arranged in a lateral direction is connected to the upper pipe body and the lower pipe body. There is a horizontal connection part for each of these, and there is one in which the drainage outflow side openings of these horizontal connections are formed on the surfaces that face each other in the radial direction.The drainage that flows into the drainage collecting pipe from the horizontal connection part of the upper pipe body However, there is a problem that it flows back to the horizontal drain pipe connected to the horizontal connecting portion via the horizontal connecting portion of the lower tubular body. In this case, it is conceivable to provide a backflow prevention unit to prevent backflow.
There is one disclosed in Japanese Patent No. 39511.
【0003】このものは、排水集合管の横接続部の排水
流出側開口の上端側に、下方に向けて径方向内方側に移
行するように傾斜状とされた逆流防止部が一体的に突出
形成されたものであり、この逆流防止部によって、前記
排水集合管の上部に形成され、縦排水管の下端の接続管
部を接続する縦接続部からの排水が横接続部を介して該
横接続部に接続される横排水管に逆流しないようにした
ものである。In this structure, a backflow preventing portion is integrally formed at the upper end side of the drainage outflow side opening of the lateral connection portion of the drainage collecting pipe so as to be inclined downward so as to move inward in the radial direction. It is formed by projecting, and by this backflow prevention part, the drainage from the vertical connection part which is formed on the upper part of the drainage collecting pipe and which connects the connection pipe part at the lower end of the vertical drainage pipe is passed through the horizontal connection part. It is designed to prevent backflow to the horizontal drain pipe connected to the horizontal connection part.
【0004】[0004]
【発明が解決しようとする課題】前記従来のものにあっ
ては、逆流防止部が排水集合管に一体的に形成されてい
るので、排水集合管を鋳造等によって形成する場合に非
常に製作し難いという問題がある。そこで、本発明は、
前記問題点に鑑みて、排水集合管に逆流防止部を設ける
にあたって該排水集合管の製作が困難とならないよう考
慮することを目的とする。In the above-mentioned conventional one, since the backflow preventing portion is formed integrally with the drainage collecting pipe, it is extremely manufactured when the drainage collecting pipe is formed by casting or the like. There is a problem of difficulty. Therefore, the present invention
In view of the above problems, it is an object of the present invention to provide a drainage collecting pipe with a backflow preventing portion so that it is not difficult to manufacture the drainage collecting pipe.
【0005】[0005]
【課題を解決するための手段】本発明が前記目的を達成
するために講じた技術的手段は、横方向に配置された横
排水管8を接続する横接続部9と、この横接続部9の上
方側に位置されて縦方向の接続管部15を接続する縦接
続部7とを備えた排水集合管であって、前記横接続部9
の排水流出側開口9Aの上部側に、上方からの排水が横
接続部9に逆流するのを防止する逆流防止部21を備え
た排水集合管において、前記縦接続部7から内嵌されて
保持される保持体20を設け、この保持体20に前記逆
流防止部21を設けたことを特徴とする。The technical means taken by the present invention to achieve the above-mentioned object are a lateral connecting portion 9 for connecting the lateral drain pipes 8 arranged in the lateral direction, and this lateral connecting portion 9. A horizontal drainage pipe having a vertical connection portion 7 connected to the vertical connection pipe portion 15 located on the upper side of the horizontal connection portion 9.
In a drainage collecting pipe provided with a backflow prevention part 21 for preventing backflow of drainage from above into the lateral connection part 9 on the upper side of the drainage outflow side opening 9A of the vertical connection part 7 The holding body 20 is provided, and the backflow preventing portion 21 is provided on the holding body 20.
【0006】[0006]
【発明の実施の形態】以下、本発明の実施の形態を図面
に基づいて説明する。図1乃至図4は第1の実施の形態
を示し、図4において、1は排水集合管で、上部管体1
Aと下部管体1Bとから構成されている。上部管体1A
の上部には、縦排水管2を接続する縦接続部3が設けら
れ、下部には、横方向に配置されて便器4からの排水を
排水集合管1に流す横排水管5が接続される横接続部6
が設けられている。Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show a first embodiment. In FIG. 4, reference numeral 1 denotes a drainage collecting pipe, which is an upper pipe body 1.
It is composed of A and a lower tubular body 1B. Upper tube 1A
The vertical connection part 3 for connecting the vertical drainage pipe 2 is provided in the upper part of the above, and the horizontal drainage pipe 5 arranged in the horizontal direction and flowing the drainage from the toilet bowl 4 to the drainage collecting pipe 1 is connected in the lower part. Horizontal connection 6
Is provided.
【0007】一方、下部管体1Bの上部には、上部管体
1Aを接続する縦接続部7が設けられると共に、この縦
接続部7の下方側には、横方向に配置されて流し台、洗
面所等からの排水を排水集合管1に流す横排水管8が接
続される横接続部9が設けられている。また、下部管体
1Bは、その下部側において、スラブ10に形成した通
孔11に挿通状とされて、モルタル12によって固定さ
れ、下端側には縦排水管13が接続されている。On the other hand, a vertical connection portion 7 for connecting the upper pipe body 1A is provided on the upper portion of the lower pipe body 1B, and below the vertical connection portion 7, a sink and a sink are arranged laterally. A horizontal connection portion 9 is provided to which a horizontal drain pipe 8 for flowing drainage from a place or the like to the drainage collecting pipe 1 is connected. Further, the lower tubular body 1B is inserted into a through hole 11 formed in the slab 10 on the lower side thereof and fixed by a mortar 12, and a vertical drainage pipe 13 is connected to the lower end side thereof.
【0008】図1乃至図3に示すように、上部管体1A
の横接続部6の排水流出側の開口6Aは、下部管体1B
の横接続部9の排水流出側の開口9Aよりも上方側に位
置すると共に、これら開口6A,9Aは管体径方向に対
向する面にそれぞれ形成されている。また、下部管体1
Bの縦接続部7の上端部にはフランジ14が形成され、
この接続部7に上部管体1Aの下端側の接続管部15を
挿入し、フランジ14内周側に配置されたシール材16
を、接続管部15に外嵌されると共にフランジ14にボ
ルト・ナット18,19によって締結される押し輪17
によって押圧することによって、上部管体1Aと下部管
体1Bとが接続されている。As shown in FIGS. 1 to 3, the upper tubular body 1A
The opening 6A on the drainage outflow side of the horizontal connection portion 6 of the
The openings 6A and 9A are located above the opening 9A on the drainage outflow side of the horizontal connection portion 9, and the openings 6A and 9A are respectively formed on the surfaces facing each other in the radial direction of the pipe body. Also, the lower tube body 1
A flange 14 is formed on the upper end of the vertical connecting portion 7 of B,
The connecting pipe portion 15 on the lower end side of the upper pipe body 1A is inserted into the connecting portion 7, and the sealing material 16 disposed on the inner peripheral side of the flange 14 is inserted.
A push ring 17 that is fitted onto the connecting pipe portion 15 and is fastened to the flange 14 with bolts and nuts 18 and 19.
By pressing with, the upper tube body 1A and the lower tube body 1B are connected.
【0009】下部管体1B内の上部には、縦接続部7の
上方側から内嵌された保持体20が設けられている。こ
の保持体20は、下部管体1Bの本体部分の上端側に内
嵌される筒部20Aと、この筒部20Aの上端部から径
方向外方に張り出されていて接続部7底面7Aに接当受
持されるフランジ部20Bとから構成されていて、接続
部7に保持される。A holding body 20 is provided in an upper portion of the lower tubular body 1B so as to be fitted in the vertical connecting portion 7 from above. The holding body 20 has a tubular portion 20A that is fitted in the upper end side of the main body portion of the lower tubular body 1B, and a radially outwardly projecting portion from the upper end portion of the tubular portion 20A. It is composed of a flange portion 20B that is contacted and received, and is held by the connecting portion 7.
【0010】この保持体20の筒部20Bには、該筒部
20Bの一部を延長すると共に切り起こして形成された
逆流防止部21が一体的に設けられている。この逆流防
止部21は下方に向けて径方向内方側に移行するように
傾斜状とされると共に、下部管体1Bの横接続部9の排
水流出側開口9Aの上端側に位置されており、上部管体
1Aの横接続部6の排水流出側開口6Aから流出される
排水が逆流防止部21に衝当し、図1の仮想線矢示で示
すように、下部管体1Bの横接続部9の排水流出側開口
9Aを通して横排水管8へ逆流するのを防止する。The tubular portion 20B of the holder 20 is integrally provided with a backflow prevention portion 21 formed by cutting and raising a portion of the tubular portion 20B. The backflow prevention portion 21 is inclined so as to move downward inward in the radial direction, and is positioned on the upper end side of the drainage outflow side opening 9A of the lateral connection portion 9 of the lower tubular body 1B. , The drainage flowing out from the drainage outflow side opening 6A of the horizontal connection portion 6 of the upper pipe body 1A collides with the backflow prevention portion 21, and as shown by the phantom line arrow in FIG. 1, the horizontal connection of the lower pipe body 1B. The backflow to the lateral drainage pipe 8 is prevented through the drainage outflow side opening 9A of the portion 9.
【0011】前記のように逆流防止部21を排水集合管
1に一体形成しないことによって、逆流防止部21の寸
法の設定の自由度が大であるという利点を有する。図5
乃至図7は第2の実施の形態を示し、前記第1の実施の
形態と同様の部分は同一符号を付して説明を省略し、異
なる点について説明する。図5において、排水集合管1
の上部管体1Aの、横接続部6の上方側には、縦排水管
2からの排水を片側に寄せる機能と、横接続部6に接続
される横排水管5への逆流を防止する機能を偏流ガイド
22が下方に向かって傾斜状に一体形成されている。Since the backflow preventing portion 21 is not integrally formed with the drainage collecting pipe 1 as described above, there is an advantage that the degree of freedom in setting the dimension of the backflow preventing portion 21 is large. FIG.
7 to FIG. 7 show the second embodiment. The same parts as those in the first embodiment are designated by the same reference numerals, and the description thereof will be omitted. Only different points will be described. In FIG. 5, the drainage collecting pipe 1
On the upper side of the horizontal connection portion 6 of the upper pipe body 1A, the function of pulling the drainage from the vertical drainage pipe 2 to one side and the function of preventing backflow to the horizontal drainage pipe 5 connected to the horizontal connection portion 6 The non-uniform flow guide 22 is integrally formed so as to be inclined downward.
【0012】下部管体1Bの下部側内周面には、管軸方
向に対して傾斜した(或いは管軸廻りに螺旋状とされ
た)旋回羽根23が設けられ、この旋回羽根23は排水
集合管1内に流下した排水を旋回流に変化させ、排水を
管壁に添って流し、排水管の中央部に排水流のない空
間、すなわち空気コアを生じせる。この旋回流および空
気コアによって、「ゴボゴボ音」の原因である管内の空
気圧変動を軽減等し、スムーズで静かな排水流下性能を
発揮するものである。On the inner peripheral surface of the lower side of the lower tube body 1B, there is provided a swirl vane 23 which is inclined with respect to the pipe axis direction (or spiraled around the pipe axis). The drainage flowing down into the pipe 1 is changed into a swirling flow, and the drainage is caused to flow along the pipe wall, so that a space without drainage flow, that is, an air core is generated in the central portion of the drainage pipe. The swirling flow and the air core reduce the fluctuation of the air pressure in the pipe, which is the cause of the "gurgling noise", and exhibit a smooth and quiet drainage flow performance.
【0013】なお、この排水集合管1の上流側において
も、同様の機能を備えた旋回羽根を有する排水集合管又
は曲管等が設けられており、縦排水管2から旋回した排
水が排水集合管1に流下する。また、前記偏流ガイド2
2はこの旋回した排水の流れを阻害しない(或いは積極
的に旋回させる)ように構成されている。保持体20に
は、該保持体20の一部を軸心方向に亘って切り欠いた
切欠部24が形成されていて、保持体20の径が拡縮で
きるようになっている。これは、排水集合管1を鋳造で
形成した場合、どうしても排水集合管1の径に多少の誤
差が生じるためでり、この切欠部24によって、前記第
1の実施の形態において、保持体20の径よりも、下部
管体1B上部の保持体嵌合部分の径が小さくなって保持
体20が嵌合できないようになるという事態を回避する
ためである。On the upstream side of the drainage collecting pipe 1, a drainage collecting pipe or a curved pipe having swirling vanes having the same function is provided, and the drainage swirled from the vertical drainage pipe 2 is drained. Flow down to tube 1. In addition, the drift guide 2
Reference numeral 2 is configured so as not to impede (or positively swirl) the swirling flow of drainage. The holding body 20 is formed with a cutout portion 24 that is formed by cutting out a part of the holding body 20 in the axial direction, so that the diameter of the holding body 20 can be expanded or contracted. This is because when the drainage collecting pipe 1 is formed by casting, a slight error inevitably occurs in the diameter of the drainage collecting pipe 1, and the cutout portion 24 causes the holding body 20 of the holding body 20 in the first embodiment. This is to avoid a situation in which the holding body fitting portion of the upper portion of the lower tubular body 1B becomes smaller than the diameter and the holding body 20 cannot be fitted.
【0014】また、保持体20は図7に仮想線で示すよ
うに、下部管体1Bの上部に嵌合させる前の状態におい
ては、下部管体1Bの上部に嵌合させた状態に比べ径が
拡開状とされている。したがって、保持体20を下部管
体1Bの上部に嵌合させるときにおいては、保持体20
を径が縮小するように弾性変形させる。これによって、
保持体20は、下部管体1Bの上部に嵌合させた状態に
あっては、弾性復元力によって下部管体1Bの上部に略
ピッタリと添設される。Further, as shown by the phantom line in FIG. 7, the holding body 20 has a diameter in a state before being fitted to the upper portion of the lower tube body 1B as compared with a state in which it is fitted to the upper portion of the lower tube body 1B. Has been expanded. Therefore, when fitting the holding body 20 to the upper portion of the lower tubular body 1B, the holding body 20
Elastically deform to reduce the diameter. by this,
When the holding body 20 is fitted to the upper portion of the lower tubular body 1B, it is attached almost perfectly to the upper portion of the lower tubular body 1B by the elastic restoring force.
【0015】これは、保持体20が上部管体1Aの下端
開口縁から径方向内方に大きくはみ出すと前述した排水
の旋回流に悪影響を及ぼすので、できるだけ下部管体1
Bの上部に添設させるようにするためである。逆流防止
部21は保持体20とは別体に形成されていて保持体2
0に溶接固定されている。This is because if the holding body 20 largely protrudes radially inward from the lower end opening edge of the upper tubular body 1A, it adversely affects the swirling flow of the drainage described above.
This is because it is attached to the upper part of B. The backflow prevention portion 21 is formed separately from the holding body 20 and
It is welded and fixed to 0.
【0016】[0016]
【発明の効果】本発明によれば、横方向に配置された横
排水管8を接続する横接続部9と、この横接続部9の上
方側に位置されて縦方向の接続管部15を接続する縦接
続部7とを備えた排水集合管であって、前記横接続部9
の排水流出側開口9Aの上部側に、上方からの排水が横
接続部9に逆流するのを防止する逆流防止部21を備え
た排水集合管において、前記縦接続部7から内嵌されて
保持される保持体20を設け、この保持体20に前記逆
流防止部21を設けたので、逆流防止部21を設けるに
あたって、排水集合管の製作が困難になることはなく、
また、逆流防止部21が設けられる保持体20は縦接続
部7から内嵌されて保持されるので、取り付けも容易で
ある。According to the present invention, the horizontal connecting portion 9 for connecting the horizontal drainage pipes 8 arranged in the horizontal direction and the vertical connecting pipe portion 15 located above the horizontal connecting portion 9 are provided. A drainage collecting pipe having a vertical connecting portion 7 for connection, wherein the horizontal connecting portion 9 is provided.
In a drainage collecting pipe provided with a backflow prevention part 21 for preventing backflow of drainage from above into the lateral connection part 9 on the upper side of the drainage outflow side opening 9A of the vertical connection part 7 Since the holding body 20 is provided and the backflow preventing portion 21 is provided on the holding body 20, it is not difficult to manufacture the drainage collecting pipe when the backflow preventing portion 21 is provided.
Further, since the holding body 20 provided with the backflow preventing portion 21 is fitted in and held from the vertical connecting portion 7, it can be easily attached.
【図1】第1の実施の形態に係る排水集合管の断面図で
ある。FIG. 1 is a cross-sectional view of a drainage collecting pipe according to a first embodiment.
【図2】図1のA−A線矢示断面図である。FIG. 2 is a sectional view taken along the line AA of FIG.
【図3】第1の実施の形態に係る排水集合管の平面断面
図である。FIG. 3 is a plan cross-sectional view of the drainage collecting pipe according to the first embodiment.
【図4】本発明に係る配管構造の側面図である。FIG. 4 is a side view of the piping structure according to the present invention.
【図5】第2の実施の形態に係る排水集合管の断面図で
ある。FIG. 5 is a cross-sectional view of a drainage collecting pipe according to a second embodiment.
【図6】図7のB−B線矢示断面図である。6 is a sectional view taken along the line BB of FIG.
【図7】第2の実施の形態に係る排水集合管の平面断面
図である。FIG. 7 is a plan sectional view of a drainage collecting pipe according to a second embodiment.
1 排水集合管 8 横排水管 7 縦接続部 9 横接続部 9A 開口 15 接続管部 20 保持体 21 逆流防止部 1 Drainage Collecting Pipe 8 Horizontal Draining Pipe 7 Vertical Connecting Portion 9 Horizontal Connecting Portion 9A Opening 15 Connecting Pipe Portion 20 Holding Body 21 Backflow Prevention Portion
Claims (1)
続する横接続部(9)と、この横接続部(9)の上方側
に位置されて縦方向の接続管部(15)を接続する縦接
続部(7)とを備えた排水集合管であって、前記横接続
部(9)の排水流出側開口(9A)の上部側に、上方か
らの排水が横接続部(9)に逆流するのを防止する逆流
防止部(21)を備えた排水集合管において、 前記縦接続部(7)から内嵌されて保持される保持体
(20)を設け、この保持体(20)に前記逆流防止部
(21)を設けたことを特徴とする排水集合管。1. A horizontal connecting part (9) for connecting horizontal drain pipes (8) arranged in a horizontal direction, and a vertical connecting pipe part (15) located above the horizontal connecting part (9). ) Connecting the vertical connection part (7), the drainage from the upper side of the drainage outflow side opening (9A) of the horizontal connection part (9) side connection part (9). In a drainage collecting pipe provided with a backflow prevention part (21) for preventing backflow to 9), a holding body (20) fitted and held by the vertical connection part (7) is provided, and the holding body (20) is provided. 20) A drainage collecting pipe, characterized in that the backflow prevention portion (21) is provided in the drainage collecting pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP08505496A JP3432073B2 (en) | 1996-04-08 | 1996-04-08 | Drainage collecting pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP08505496A JP3432073B2 (en) | 1996-04-08 | 1996-04-08 | Drainage collecting pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09273197A true JPH09273197A (en) | 1997-10-21 |
JP3432073B2 JP3432073B2 (en) | 2003-07-28 |
Family
ID=13847945
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP08505496A Expired - Lifetime JP3432073B2 (en) | 1996-04-08 | 1996-04-08 | Drainage collecting pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3432073B2 (en) |
Cited By (5)
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JP2003232062A (en) * | 2001-12-04 | 2003-08-19 | Noriatsu Kojima | Drain pipe joint |
JP2009197575A (en) * | 2008-01-24 | 2009-09-03 | Funen Akurosu Kk | Two-stage type junction joint body structure for vertical drain pipe |
JP2014218890A (en) * | 2014-07-03 | 2014-11-20 | 株式会社キッツ | Joint structure for drainage and control ring |
JP2019100096A (en) * | 2017-12-04 | 2019-06-24 | 積水化学工業株式会社 | Collecting joint and method for attaching collecting joint |
CN111287264A (en) * | 2020-02-10 | 2020-06-16 | 殷志 | Building same-floor drainage device |
-
1996
- 1996-04-08 JP JP08505496A patent/JP3432073B2/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003232062A (en) * | 2001-12-04 | 2003-08-19 | Noriatsu Kojima | Drain pipe joint |
JP2009197575A (en) * | 2008-01-24 | 2009-09-03 | Funen Akurosu Kk | Two-stage type junction joint body structure for vertical drain pipe |
JP2014218890A (en) * | 2014-07-03 | 2014-11-20 | 株式会社キッツ | Joint structure for drainage and control ring |
JP2019100096A (en) * | 2017-12-04 | 2019-06-24 | 積水化学工業株式会社 | Collecting joint and method for attaching collecting joint |
CN111287264A (en) * | 2020-02-10 | 2020-06-16 | 殷志 | Building same-floor drainage device |
CN111287264B (en) * | 2020-02-10 | 2021-07-30 | 殷志 | Building same-floor drainage device |
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