JP4953150B1 - Duplex meter unit - Google Patents

Duplex meter unit Download PDF

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JP4953150B1
JP4953150B1 JP2012007028A JP2012007028A JP4953150B1 JP 4953150 B1 JP4953150 B1 JP 4953150B1 JP 2012007028 A JP2012007028 A JP 2012007028A JP 2012007028 A JP2012007028 A JP 2012007028A JP 4953150 B1 JP4953150 B1 JP 4953150B1
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pipe
unit
meter
branch
base
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JP2012127188A (en
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武司 坂本
裕二 津田
大輔 岡田
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Tabuchi Corp
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Tabuchi Corp
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Abstract

【課題】
複数の水道用メータを省スペースに、且つ、経時的な軸ズレもなく設置することができるメータユニットを提供することを目的とする。
【解決手段】
止水栓を含む一次側配管と逆止弁を含む二次側配管との間を水道用メータの着脱部としたユニット単体と、一の流入管に対して前記一次側配管が接続可能な複数の支流管をそれら管軸が平行するように一体として設けてなる分岐配管と、この分岐配管および前記支流管と同数の前記ユニット単体とを設置可能とした一のベースとを具備する複式メータユニットであって、前記分岐配管において、前記支流管が前記ベースの内側に収納されており、前記分岐配管に設けられた水を流入する流入管のみがベースの外側に突出するよう設けられていることを特徴とする複式メータユニットにより解決することができた。
【選択図】図1
【Task】
An object of the present invention is to provide a meter unit in which a plurality of water meters can be installed in a space-saving manner and without axial displacement.
[Solution]
A single unit having a water meter attachment / detachment part between a primary side pipe including a water stop cock and a secondary side pipe including a check valve, and a plurality of the primary side pipes connectable to one inflow pipe A multi-meter unit comprising: a branch pipe in which the branch pipes are integrally provided so that their pipe axes are parallel to each other; and a single base on which the same number of units as the branch pipes and the branch pipes can be installed. In the branch pipe, the branch pipe is housed inside the base, and only the inflow pipe for flowing water provided in the branch pipe is provided so as to protrude to the outside of the base. It can be solved by a dual meter unit characterized by
[Selection] Figure 1

Description

この発明は、複数の水道用メータを並列に接続することができる複式メータユニットに関するものである。   The present invention relates to a dual meter unit capable of connecting a plurality of water meters in parallel.

従来、止水栓を具備する一次側継手と逆止弁を具備する二次側継手とをベース上に一定間隔をおいて直列に保持し、両継手間に水道用メータ(量水器)を取り付けるようにしたメータユニットは公知であり、予めメータ配管に必要な部材が組み付けられているため、現場施工を効率的に行え、工費節減や工期短縮の効果がある(特許文献1)。   Conventionally, a primary side joint equipped with a water stop cock and a secondary side joint equipped with a check valve are held in series on a base at a constant interval, and a water meter (quantitative water meter) is placed between both joints. The meter unit to be attached is well known, and since necessary members for the meter pipe are assembled in advance, the construction at the site can be performed efficiently, and the construction cost can be reduced and the construction period can be shortened (Patent Document 1).

上記特許文献1のメータユニットは1つのベースユニットに1個の水道用メータを取り付けるもの(以下、単式ユニット)であるが、1つのユニットに2個の水道用メータを同時に接続可能としたメーターユニット(以下、複式ユニット)も提案されている(特許文献2)。この複式ユニットによれば1ユニットの施工で2住戸のメータ配管が完了するため、現場施工がさらに効率化する。特に、特許文献2のメータユニットは、1次側を2流路に分岐し、各支流に中継配管を回動自在に接続してなり、この中継配管に水道用メータを取り付けるように構成しているため、2個の水道用メータの開き角度を0〜360度の範囲で任意に調整でき、様々なレイアウトのメータ配管に対応できるというものである。
特開平11−93226号公報 特開2004−244865号公報
The meter unit of Patent Document 1 is a unit in which one water meter is attached to one base unit (hereinafter referred to as a single unit), but two water meters can be simultaneously connected to one unit. (Hereinafter, a duplex unit) has also been proposed (Patent Document 2). According to this duplex unit, the meter piping of two dwelling units is completed by the construction of one unit, so that the on-site construction is further improved. In particular, the meter unit of Patent Document 2 is configured such that the primary side is branched into two flow paths, and a relay pipe is rotatably connected to each branch, and a water meter is attached to the relay pipe. Therefore, the opening angle of the two water meters can be arbitrarily adjusted in the range of 0 to 360 degrees, and can correspond to meter piping of various layouts.
Japanese Patent Laid-Open No. 11-93226 JP 2004-244865 A

しかしながら、特許文献2のメータユニットは、中継配管を含め二次側全体(水道用メータ、逆止弁機能付配管およびベース)が同一平面上を回動するため、開き角度を0度として最もコンパクトに折り畳んだとしても、水道用メータ同士の干渉を避ける必要上、単純に特許文献1に示されるような単式ユニットを2セット横並びに設置するのと同じ投影面積の設置スペースが必要であった。また、設置完了後も中継配管は回動自在であるため、経時的な歪みや地震などの外力により開き角度が変動する恐れがあり、この場合、当該ユニットと給水管との間で軸ズレが発生して計測不良や漏水等の致命的な問題に発展する可能性がある。さらに、ユニット全体を収容する筐体(ボックス)を備えないため、専ら集合住宅のパイプシャフト内への設置を想定したものと考えられるが、仮に地中に埋設設置するとしても、埋設用の筐体をどのようにして開き角度に対応させるかは全く考慮されていない。   However, the meter unit of Patent Document 2 is the most compact with the opening angle set to 0 degrees because the entire secondary side (water meter meter, piping with check valve function and base), including the relay piping, rotates on the same plane. Even if it is folded into two, it is necessary to avoid interference between water meters, and an installation space having the same projected area as that in which two sets of single units as shown in Patent Document 1 are installed side by side is necessary. In addition, since the relay pipe can be rotated even after the installation is completed, there is a risk that the opening angle will fluctuate due to external forces such as distortion over time and earthquakes. In this case, there is a shaft misalignment between the unit and the water supply pipe. It may occur and develop into fatal problems such as measurement failure and water leakage. Furthermore, since it does not have a housing (box) that accommodates the entire unit, it can be assumed that it is exclusively installed in the pipe shaft of a housing complex. No consideration is given to how the body is adapted to the opening angle.

本発明は、上述した課題に鑑みなされたもので、その目的とするところは、複数の水道用メータを省スペースに、且つ、経時的な軸ズレもなく設置することができるメータユニットを提供することである。   The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a meter unit capable of installing a plurality of water meters in a space-saving manner and without axial displacement. That is.

上述した目的を達成するために本発明では、止水栓を含む一次側配管と逆止弁を含む二次側配管との間を水道用メータの着脱部としたユニット単体と、一の流入管に対して前記一次側配管が接続可能な複数の支流管をそれら管軸が平行するように一体として設けてなる分岐配管と、この分岐配管および前記支流管と同数の前記ユニット単体とを設置可能とした一のベースとを具備する複式メータユニットであって、前記分岐配管において、前記支流管が前記ベースの内側に収納されており、前記分岐配管に設けられた水を流入する流入管のみがベースの外側に突出するよう設けられているを構成するという手段を用いた。この手段におい、分岐配管は当該メータユニットの一次側流路を支流管の数だけ分岐し、これに応じた数のユニット単体を介して複数の水道用メータを一のベース内に設置することができる。支流管は管軸が平行するため、これに接続されるユニット単体も流路方向が平行する並列の状態でベース上に設置される。   In order to achieve the above-described object, in the present invention, a single unit having a water meter attachment / detachment portion between a primary side pipe including a stop cock and a secondary side pipe including a check valve, and an inflow pipe It is possible to install a branch pipe in which a plurality of branch pipes to which the primary pipe can be connected are integrally provided so that their pipe axes are parallel, and the same number of units as the branch pipe and the branch pipe. A dual meter unit including the branch pipe, wherein the branch pipe is housed inside the base, and only the inflow pipe for flowing water provided in the branch pipe is provided. Means were used that consisted of protruding to the outside of the base. In this means, the branch pipe branches the primary flow path of the meter unit by the number of branch pipes, and a plurality of water meters can be installed in one base through the number of unit units corresponding to the branch pipe. it can. Since the branch pipe has parallel pipe axes, the unit connected to the branch pipe is also installed on the base in a parallel state in which the flow path directions are parallel.

なお、ベースは、下桝に上桝を着脱可能としたメータボックスの前記下桝であることが好ましい。本複式メータユニットを埋設設置することができるからである。   In addition, it is preferable that a base is the said lower rod of the meter box which made the upper rod removable to the lower rod. This is because the compound meter unit can be embedded and installed.

以上説明した本発明によれば、分岐配管の支流管の数だけ水道用メータを同時に接続することができるため、単式ユニットよりも現場施工が効率され、更なる工費削減と工期短縮を図ることができると同時に、検針やメータ交換も集中管理により容易に行うことができる。また、分岐配管は複数の支流管を一体的に形成することで、従来の複式ユニットのように回動自在な可動部が存在しないため、経時的な軸ズレも発生しない。さらに、複数のユニット単体を一のベースに集約したので、ユニット単体ごとに複数のベースを要した従来の複式ユニットに比べて、部品点数が少なく、製品コストを低減できると共に、全体の投影面積を小さくでき、設置スペースをコンパクト化することができる。   According to the present invention described above, water meters can be connected at the same time as the number of branch pipes of the branch pipe, so that site construction is more efficient than a single unit, and it is possible to further reduce the construction cost and the construction period. At the same time, meter reading and meter replacement can be easily performed by centralized management. In addition, since the branch pipe is formed by integrally forming a plurality of branch pipes, there is no movable portion that can rotate as in the conventional duplex unit, and therefore, there is no axial displacement. In addition, since multiple units are integrated into a single base, the number of parts is reduced and product costs can be reduced compared to conventional dual units that require multiple bases for each unit. It can be made smaller and the installation space can be made compact.

また、ベースとしてメータボックスの下桝を採用することで、コンパクトな埋設型の複式メータユニットを提供することができる。   Further, by adopting the lower arm of the meter box as a base, a compact buried type dual meter unit can be provided.

本発明の第一実施形態に係る複式メータユニットの平面図The top view of the compound meter unit concerning a first embodiment of the present invention. 同、側面図Same side view 第一実施形態の変形例に係る複式メータユニットの平面図であって、(a)は3連構成、(b)は4連構成を示したものであるIt is a top view of the compound meter unit which concerns on the modification of 1st embodiment, Comprising: (a) shows 3 series structure, (b) shows 4 series structure.

以下、本発明の好ましい実施の形態を添付した図面に従って説明する。図1は、本発明の第一実施形態に係る複式メータユニットの平面図であり、図中、1はベース、2はベース上に固定された分岐配管、3はユニット単体である。本実施形態の場合、ベース1は、図2に示すように下桝に上桝1aを着脱可能に構成したメータボックスの下桝からなる。また、分岐配管2は一の流入管2aに対して二つの支流管2bを管軸が平行するように一体に設けてなる。流入管2aはベース1から突出して2住戸に分岐する前の給水管(図示せず)に接続可能にし、支流管2bはの下面に迫り出して設けたステー2cをビス等でベース1に固定したものである。   Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a plan view of a dual meter unit according to the first embodiment of the present invention, in which 1 is a base, 2 is a branch pipe fixed on the base, and 3 is a single unit. In the case of this embodiment, the base 1 is composed of a lower part of a meter box in which an upper part 1a is detachably attached to the lower part as shown in FIG. Further, the branch pipe 2 is formed by integrally providing two branch pipes 2b so that the pipe axes are parallel to one inflow pipe 2a. The inflow pipe 2a protrudes from the base 1 and can be connected to a water supply pipe (not shown) before branching to the two dwelling units, and the branch pipe 2b is fixed to the base 1 with a screw or the like so as to protrude from the lower surface of the branch pipe 2b. It is a thing.

この分岐配管2には、支流管2bの数に応じて2セットのユニット単体3をベース上に設置しており、各ユニット単体3の二次側はそれぞれ別の住戸に対する給水管(図示せず)に接続される。このユニット単体3は、同一の構造からなり、上記支流管2bが接続可能な止水栓4aに圧着式可動継手4bを接続してなる一次側配管4と、逆止弁5aを内蔵した圧着式固定継手5bに接続管5cを接続してなる二次側配管5とを同軸上に一定間隔をおいて設けてなる。一次側配管4は支流管2bに予め接続することでベース1との一体化を図り、二次側配管5は接続管5cの下面に左右に迫り出して設けたステー5dをビス等でベース1に固定し一体化したものである。このようにベース1に設置されるユニット単体3それぞれには、継手4b・5b間を着脱可能として水道用メータMが着脱可能に取り付けられる。   In this branch pipe 2, two sets of unit single bodies 3 are installed on the base in accordance with the number of branch pipes 2 b, and the secondary side of each unit single body 3 is a water supply pipe (not shown) for another dwelling unit. ). The unit unit 3 has the same structure, and is a crimping type in which a primary side pipe 4 in which a crimping movable joint 4b is connected to a water stopcock 4a to which the branch pipe 2b can be connected, and a check valve 5a is built in. A secondary pipe 5 formed by connecting a connecting pipe 5c to the fixed joint 5b is provided on the same axis at a constant interval. The primary side pipe 4 is connected to the branch pipe 2b in advance so as to be integrated with the base 1, and the secondary side pipe 5 is provided with a stay 5d that protrudes left and right on the lower surface of the connection pipe 5c with a screw or the like. It is fixed to and integrated with. In this way, each unit unit 3 installed on the base 1 is detachably attached with a water meter M with the joints 4b and 5b being detachable.

即ち、この実施形態の継手は、一次側の可動継手4bを外周のハンドル4cを回して水道用メータMの端部に向かって接離可能に軸方向にスライドさせることにより、固定継手5bとの間で水道用メータMを着脱可能に挟持するものであるが、当該構成は従来公知であるので詳細は割愛する。また、当該圧着継手の他、袋ナットにより水道用メータMを固定する所謂ユニオンナット方式などの接続方法もあるが、本発明において水道用メータMの脱着構造は従来公知のものを採用することができる。   That is, in the joint of this embodiment, the primary side movable joint 4b is slid in the axial direction so as to be able to contact and separate toward the end of the water meter M by turning the outer handle 4c. The water meter M is detachably sandwiched between them, but since this configuration is conventionally known, the details are omitted. In addition to the crimp joint, there is a connection method such as a so-called union nut method in which the water meter M is fixed with a cap nut. In the present invention, a conventionally known structure can be adopted as the detaching structure of the water meter M. it can.

ここで、水道用メータMは中央に円柱状の計測部Kを備え、この計測部Kの上面を読み取り部Yとするが、読み取り部Yの視認性を確保しつつ、隣合う水道用メータMの計測部同士が干渉しないようにするため、本実施形態では、分岐配管2における支流管2bの管軸距離Lを平面視でメータ計測部Kの半径の2倍、即ちメータ計測部Kの一個分の直径(本発明において横幅)と同長としている。   Here, the water meter M is provided with a cylindrical measuring unit K in the center, and the upper surface of the measuring unit K is set as a reading unit Y. The water meter M adjacent to the water meter M is secured while ensuring the visibility of the reading unit Y. In this embodiment, the tube axis distance L of the branch pipe 2b in the branch pipe 2 is twice the radius of the meter measurement unit K in plan view, that is, one piece of the meter measurement unit K. It is the same length as the diameter of the minute (the width in the present invention).

このように本実施形態の複式メータユニットによれば、2機の水道用メータMを流路方向が平行するように並列的に同時接続できるため、1ユニットの設置で2住戸分のメータ配管が完了する。また、水道用メータMは計測部同士が接触せずに可及的近接するため、単式ユニットを二つ横並びにした場合や従来の複式ユニットに比べて、横幅が小さいコンパクトな複式ユニットとすることができた。   As described above, according to the dual meter unit of the present embodiment, two water meters M can be simultaneously connected in parallel so that the flow channel directions are parallel to each other. Complete. In addition, because the meter M for water supply is as close as possible without contact between the measuring units, it should be a compact duplex unit with a smaller lateral width when two single units are placed side by side or compared to a conventional duplex unit. I was able to.

なお、分岐配管2における支流管2bの数、即ち分岐数は3又は4でもよく、この場合、図3に示すように、分奇数に応じた数のユニット単体3を並設することで、より多数の水道用メータMを同時接続することができる。さらに、分岐数を増やすとことも理論上可能である。   In addition, the number of branch pipes 2b in the branch pipe 2, that is, the number of branches may be 3 or 4, and in this case, as shown in FIG. A large number of water meters M can be connected simultaneously. Furthermore, it is theoretically possible to increase the number of branches.

ただし、分岐数の増加に伴って全体の横幅が大きくなる。つまり、図1に示した2連の複式メータユニットを基礎として、図3に示した3連(同図(a))や4連(同図(b))とした場合は、全体の横幅をメータ計測部Kの半径3倍又は4倍にして、分岐数に正比例するように拡張する必要がある。   However, the overall width increases as the number of branches increases. In other words, based on the dual duplex meter unit shown in FIG. 1, when the triple series (FIG. 3 (a)) or 4 series (FIG. 3 (b)) shown in FIG. It is necessary to make the radius 3 or 4 times that of the meter measurement unit K and expand it so that it is directly proportional to the number of branches.

1・・・ベース
2・・・分岐配管
3・・・ユニット単体
4・・・一次側配管
5・・・二次側配管
M・・・水道用メータ
DESCRIPTION OF SYMBOLS 1 ... Base 2 ... Branch piping 3 ... Unit single unit 4 ... Primary side piping 5 ... Secondary side piping M ... Water meter

Claims (1)

止水栓を含む一次側配管と逆止弁を含む二次側配管との間を水道用メータの着脱部としたユニット単体と、
一の流入管に対して前記一次側配管が接続可能な複数の支流管をそれら管軸が平行するように一体として設けてなる分岐配管と、
この分岐配管および前記支流管と同数の前記ユニット単体とを設置可能とした一のベースとを具備する複式メータユニットであって、
前記分岐配管において、前記支流管が前記ベースの内側に収納されており、前記分岐配管に設けられた水を流入する流入管のみがベースの外側に突出するよう設けられていることを特徴とする複式メータユニット。
A single unit with a water meter attachment / detachment section between the primary side pipe including the stop cock and the secondary side pipe including the check valve,
A branch pipe formed integrally with a plurality of branch pipes to which the primary pipe can be connected to one inflow pipe so that their pipe axes are parallel;
A dual meter unit comprising the branch pipe and one base on which the same number of units as the branch pipes can be installed,
In the branch pipe, the branch pipe is housed inside the base, and only an inflow pipe for flowing water provided in the branch pipe is provided so as to protrude to the outside of the base. Double meter unit.
JP2012007028A 2012-01-17 2012-01-17 Duplex meter unit Expired - Fee Related JP4953150B1 (en)

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