JP6864881B2

JP6864881B2 - Waterproof pan for washing machine

Info

Publication number: JP6864881B2
Application number: JP2017025439A
Authority: JP
Inventors: 永原　徹; 徹永原; 木村　裕史; 裕史木村
Original assignee: 丸一株式会社
Priority date: 2017-02-14
Filing date: 2017-02-14
Publication date: 2021-04-28
Anticipated expiration: 2037-02-14
Also published as: JP2018131785A

Description

本発明は、洗濯機からの排水を排出する洗濯機排水配管を、下流側の配管に接続する為の配管接続口を備えた、洗濯機用防水パンに関するものである。 The present invention relates to a waterproof pan for a washing machine provided with a pipe connection port for connecting a washing machine drainage pipe for discharging drainage from the washing machine to a pipe on the downstream side.

従来より、洗濯機を配置する場合に、洗濯機からの配管を下流側の配管に接続するための配管接続口を備えた洗濯機用防水パンを用いる方法が知られている。
特許文献１に記載した洗濯機用防水パンは、排水トラップを備えた底壁部と、該底壁部の周囲に設けた側壁部と、底壁部の四隅に設けた架台部と、からなる。この洗濯機用防水パンを床面上に設置し、架台部分の上に洗濯機の脚部を配置すると共に、排水トラップに備えられた配管接続口に洗濯機からの配管を接続することで、洗濯機からの配管を洗濯機用防水パンの底壁部裏側の配管に接続するように構成してなる。即ち、配管接続口は洗濯機用防水パンの表側と裏側とを貫通するように設けられてなる。
特許文献１に記載した従来例では、洗濯機用防水パンの底壁部に、洗濯機用防水パンの表側と裏側とを貫通する開口を設け、この開口に排水トラップを接続した上で、排水トラップに配管接続口を設けることで、洗濯機からの配管を、洗濯機用防水パンの底壁部裏側の配管に接続するように構成されてなる。 Conventionally, when arranging a washing machine, a method of using a waterproof pan for a washing machine provided with a pipe connection port for connecting a pipe from the washing machine to a pipe on the downstream side has been known.
The waterproof pan for a washing machine described in Patent Document 1 includes a bottom wall portion provided with a drain trap, a side wall portion provided around the bottom wall portion, and a pedestal portion provided at four corners of the bottom wall portion. .. By installing this waterproof pan for the washing machine on the floor, arranging the legs of the washing machine on the gantry, and connecting the piping from the washing machine to the piping connection port provided in the drain trap, The piping from the washing machine is configured to be connected to the piping on the back side of the bottom wall of the waterproof pan for the washing machine. That is, the pipe connection port is provided so as to penetrate the front side and the back side of the waterproof pan for the washing machine.
In the conventional example described in Patent Document 1, an opening penetrating the front side and the back side of the waterproof pan for a washing machine is provided in the bottom wall portion of the waterproof pan for a washing machine, and a drain trap is connected to this opening before draining. By providing a pipe connection port in the trap, the pipe from the washing machine is configured to be connected to the pipe on the back side of the bottom wall of the waterproof pan for the washing machine.

また、特許文献２に記載の洗濯機用防水パンは、洗濯機の配管と、下流側の配管の接続を行うと共に、接続箇所の漏水等を受ける防水パンであって、排水トラップを備えた底壁部と、該底壁部の周囲に設けた側壁部と、からなる。この洗濯機用防水パンにおいては、底壁部の下端は、接続されている排水トラップの下端よりも下方にあり、このため排水トラップは床面上に設置され、排水トラップからの配管、即ち配管接続口から下流側となる配管も床面上に配置されるように構成されてなる。
リフォーム等を行う際、洗濯機の配置をリフォーム前から変更しようとすると、床下の洗濯機排水配管が利用できなくなったり、または床下配管をやり直す大規模な工事が必要となる場合がある。しかし、この特許文献２に記載の洗濯機用防水パンでは、床面上に洗濯機用防水パンと配管接続口から下流側となる配管を配置する構成であり、また洗濯機の載置を行わないことを前提とした構成のため、リフォームに際して、洗濯機を床下配管とは関係ない任意の位置に配置し、また洗濯機用防水パンとそれよりも下流側の配管も洗濯機や床下配管と関係ない任意の位置に配置することができる。 Further, the waterproof pan for a washing machine described in Patent Document 2 is a waterproof pan that connects the piping of the washing machine and the piping on the downstream side and receives water leakage at the connection point, and has a bottom provided with a drain trap. It is composed of a wall portion and a side wall portion provided around the bottom wall portion. In this waterproof pan for a washing machine, the lower end of the bottom wall is below the lower end of the connected drain trap, so the drain trap is installed on the floor and the piping from the drain trap, that is, the piping. The piping on the downstream side from the connection port is also configured to be arranged on the floor surface.
When remodeling, if you try to change the layout of the washing machine before the remodeling, the underfloor washing machine drainage piping may not be available, or large-scale construction may be required to redo the underfloor piping. However, the waterproof pan for a washing machine described in Patent Document 2 has a configuration in which a waterproof pan for a washing machine and a pipe on the downstream side from a pipe connection port are arranged on the floor surface, and the washing machine is placed. Since the configuration is based on the assumption that there is no washing machine, the washing machine is placed at an arbitrary position that is not related to the underfloor piping, and the waterproof pan for the washing machine and the piping downstream of it are also connected to the washing machine and underfloor piping. It can be placed in any position that does not matter.

特開２００８− ８８６３０号Japanese Patent Application Laid-Open No. 2008-88630 特開２０００−２４０１１９号JP 2000-240119

上記のような従来の洗濯機用防水パンには、以下に記載するような問題点があった。
前述のように、リフォームによって濯機用防水パンを新たに配置する場合に、特許文献２の洗濯機用防水パンのように、配管接続口よりも下流側の配管を床面上に配置すると、家具や機器等の設置に配管が邪魔になるため、できれば床下配管を利用して設置したい、という要望がある。
リフォームの際に、全く新しく床下に排水配管を設置し直すことは困難であっても、床面に新たな開口を設け、既設の床下の排水配管からチーズ管やエルボ管等を利用して排水配管を分岐させ、床面の新たな開口の位置に配管の端部を配置するような、単に配管を接続させ任意の位置に配置するだけの作業であれば、比較的容易に行うことができる。
図７及び図８はこのようなリフォーム時の床下配管の一例を示すものである。図７はリフォーム前の床下配管を、図８はリフォーム後の床下配管を説明する参考図である。
既設の配管ＥＰ１は、ガス配管や給湯配管など、リフォームの前後で変更の無い配管である。また、排水配管についても、既設の排水配管ＥＰ２として示した部分は排水主管とその付近の配管であり、リフォームの前後でそのまま使用する排水配管である。尚、図７、図８では、既設の配管ＥＰ１、及び既設の排水配管ＥＰ２の排水主管は、その管体を軸方向視しているものである。
また、この図７、図８の事例では、床面に設ける床下配管の接続用の端部について、リフォーム後の位置は、リフォーム前よりも図面左側に設置位置を変更するものである。
前述のように、床下には排水配管の他に、給水用の配管、都市ガスの配管等、他の機器の配管など既設の配管ＥＰ１が既に配管されている場合が多く、上記のように床下の排水配管を分岐させる場合には、分岐した排水配管がこれら既設の配管ＥＰ１に干渉しないように施工を行う必要がある。
しかし、排水配管は通常勾配を利用して排水を行うため、上記のように他の既設の配管を避けて施工を行う場合に、新たに施工する排水配管部分が、他の配管の下側を通して迂回するように施工すると、逆勾配となってしまう恐れがある。例えば、図８の床下配管の場合、点線で示したように、既設の排水配管ＥＰ２をそのまま水平方向に延長すると、既設の配管ＥＰ１に干渉してしまい、施工できない、または逆勾配となってしまう。
即ち、先述のように、技術的・作業的には既設の排水配管から新たに分岐した排水配管を配管することは比較的容易であるが、床下に配置された他の既設配管を迂回しつつ、且つ排水勾配を確保した配管レイアウトを組むことが極めて困難である、という問題があった。
排水勾配を確保するため、図８に示した床下配管のように、新たに施工する排水配管部分が、他の配管の上側を迂回するように施工できれば、上記逆勾配の問題は解決できるが、このためには、新たに施工する排水配管の、床下空間の端部部分が、なるべく床面の裏側近くの高い位置で略水平方向を向いていることが必要である。
しかし、特許文献１に記載の洗濯機用防水パンのように、底壁部に開口を設け、この開口に排水トラップやエルボ管を固定する構成の洗濯機用防水パンでは、底壁部の開口に排水トラップやエルボ管を固定するためのネジ等の固定機構や接着を行う場合の接着しろが配置され、これらの機構部分では管体を直線形状としなければならない。
そして、洗濯機用防水パンの底壁部と、床面の開口とはほぼ同じ高さ位置となるように配置される。
つまり、床面の開口部近傍では、排水トラップやエルボ管を洗濯機用防水パンに取り付ける固定機構や接着しろが配置され、配管を鉛直方向に直線形状としなければならず、床面の裏側近くの高い位置で配管を屈曲させ略水平方向とすることは困難である。
また、配管接続の際、排水トラップを含む配管は床下空間に配置されるため、施工時に配管を目視しながら作業することができず、洗濯機用防水パンの施工は困難なものとなりがちであった。
また、リフォームの際、床上配管を行う場合においても、次のような問題があった。
排水配管のみならず、ガス配管など床下配管の配管レイアウトなどを設計段階から調整できる新築の場合は床下配管が行われ、床上配管が採用されることはほとんど無い。つまり床上配管はほぼリフォームの場合にのみ採用される配管レイアウトであるが、リフォームの件数は新築ほど多くないため、リフォーム専用の洗濯機用防水パンである床上配管用の洗濯機用防水パンは生産数が少なく、その分大量生産によるコストダウンが困難であった。
本発明は上記問題点に鑑み発明されたものであって、洗濯機用防水パンを設置した床面の開口の近傍から配管を水平方向に延出でき、また水平方向への延出の高さ位置の調整が可能で、施工時の配管接続も目視によって確認でき、且つ床上配管に対応した洗濯機用防水パンを安価とすることができる洗濯機用防水パンを提供するものである。 The conventional waterproof pan for a washing machine as described above has the following problems.
As described above, when a waterproof pan for a rinsing machine is newly arranged by remodeling, if the pipe on the downstream side of the pipe connection port is arranged on the floor surface as in the waterproof pan for a washing machine of Patent Document 2, furniture Since piping interferes with the installation of furniture and equipment, there is a demand for installation using underfloor piping if possible.
Even if it is difficult to re-install a completely new drainage pipe under the floor at the time of reform, a new opening will be provided on the floor surface and drainage will be performed from the existing underfloor drainage pipe using cheese pipes, elbow pipes, etc. It is relatively easy to perform the work of simply connecting the pipes and arranging them at arbitrary positions, such as branching the pipes and arranging the ends of the pipes at the positions of new openings on the floor surface. ..
7 and 8 show an example of the underfloor piping at the time of such remodeling. FIG. 7 is a reference diagram for explaining the underfloor piping before the remodeling, and FIG. 8 is a reference diagram for explaining the underfloor piping after the remodeling.
The existing pipe EP1 is a pipe such as a gas pipe and a hot water supply pipe that does not change before and after the remodeling. As for the drainage pipe, the portion shown as the existing drainage pipe EP2 is the drainage main pipe and the pipe in the vicinity thereof, and is a drainage pipe that is used as it is before and after the remodeling. In addition, in FIGS. 7 and 8, the drainage main pipes of the existing pipe EP1 and the existing drainage pipe EP2 are viewed in the axial direction.
Further, in the examples of FIGS. 7 and 8, the position of the end portion for connecting the underfloor pipe provided on the floor surface after the remodeling is changed to the left side of the drawing as compared with the position before the remodeling.
As mentioned above, in many cases, in addition to the drainage pipe, the existing pipe EP1 such as the pipe for water supply, the pipe for city gas, and the pipe for other equipment is already installed under the floor. When branching the drainage pipes of the above, it is necessary to carry out the construction so that the branched drainage pipes do not interfere with these existing pipes EP1.
However, since the drainage pipe usually drains using a gradient, when the construction is performed while avoiding other existing pipes as described above, the drainage pipe part to be newly constructed passes under the other pipes. If it is constructed so as to detour, there is a risk of a reverse slope. For example, in the case of the underfloor pipe of FIG. 8, if the existing drainage pipe EP2 is extended in the horizontal direction as it is as shown by the dotted line, it interferes with the existing pipe EP1 and cannot be constructed or has a reverse slope. ..
That is, as described above, technically and work-wise, it is relatively easy to pipe a newly branched drainage pipe from the existing drainage pipe, but while bypassing other existing drainage pipes arranged under the floor. In addition, there is a problem that it is extremely difficult to construct a piping layout that secures a drainage gradient.
In order to secure the drainage gradient, if the drainage pipe portion to be newly constructed can be constructed so as to bypass the upper side of the other pipes as in the underfloor pipe shown in FIG. 8, the problem of the reverse gradient can be solved. For this purpose, it is necessary that the end portion of the underfloor space of the newly constructed drainage pipe faces the substantially horizontal direction at a high position near the back side of the floor surface as much as possible.
However, like the waterproof pan for a washing machine described in Patent Document 1, the waterproof pan for a washing machine having an opening in the bottom wall and fixing a drain trap or an elbow pipe to the opening has an opening in the bottom wall. A fixing mechanism such as a screw for fixing a drain trap or an elbow pipe and a bonding margin for bonding are arranged in, and the pipe body must have a straight shape in these mechanism parts.
Then, the bottom wall portion of the waterproof pan for the washing machine and the opening on the floor surface are arranged at substantially the same height position.
In other words, in the vicinity of the opening on the floor surface, a fixing mechanism for attaching the drain trap and elbow pipe to the waterproof pan for the washing machine and an adhesive margin are arranged, and the piping must be linear in the vertical direction, near the back side of the floor surface. It is difficult to bend the pipe at a high position so that it is in a substantially horizontal direction.
In addition, when connecting pipes, the pipes including the drain trap are placed in the underfloor space, so it is not possible to work while visually observing the pipes during construction, and it tends to be difficult to install waterproof pans for washing machines. It was.
In addition, there are the following problems in the case of performing on-floor piping during remodeling.
In the case of a new construction where not only drainage piping but also the piping layout of underfloor piping such as gas piping can be adjusted from the design stage, underfloor piping is performed and above-floor piping is rarely adopted. In other words, the floor piping is a piping layout that is adopted almost only in the case of remodeling, but since the number of remodeling is not as large as in new construction, we produce a washing machine waterproof pan for floor piping, which is a waterproof pan for washing machines dedicated to remodeling. The number was small, and it was difficult to reduce costs by mass production.
The present invention has been invented in view of the above problems, and the piping can be extended in the horizontal direction from the vicinity of the opening on the floor surface on which the waterproof pan for the washing machine is installed, and the height of the extension in the horizontal direction. Provided is a waterproofing pan for a washing machine, which can adjust the position, visually confirm the piping connection at the time of construction, and can reduce the cost of the waterproofing pan for a washing machine corresponding to the above-floor piping.

請求項１に記載の本発明は、洗濯機Ｓの排水を処理するための洗濯機用防水パンであって、底壁部２と、該底壁部２の周囲に設けた側壁部３と、底壁部２から上方に延出する接続筒部４を設け、該接続筒部４の側面から側壁部３まで、配管カバー部６を備え、該接続筒部４の上端に、洗濯機Ｓからの配管である洗濯機排水配管１１を、底壁部２の裏側の配管又は配管カバー部６下方の配管に接続するための、底壁部２よりも高い位置に設けられた配管接続部５と、から構成されることを特徴とする洗濯機用防水パンである。 The present invention according to claim 1 is a waterproof pan for a washing machine for treating wastewater from the washing machine S, and includes a bottom wall portion 2, a side wall portion 3 provided around the bottom wall portion 2, and a side wall portion 3. A connection cylinder portion 4 extending upward from the bottom wall portion 2 is provided, a piping cover portion 6 is provided from the side surface of the connection cylinder portion 4 to the side wall portion 3 , and the upper end of the connection cylinder portion 4 is provided from the washing machine S. With a pipe connection portion 5 provided at a position higher than the bottom wall portion 2 for connecting the washing machine drainage pipe 11 which is the pipe of the above to the pipe on the back side of the bottom wall portion 2 or the pipe below the pipe cover portion 6. It is a waterproof pan for a washing machine, which is characterized by being composed of.

請求項２に記載の本発明は、上記洗濯機用防水パンにおいて、前記配管接続部５から下流側に向かう配管であるパン排水配管Ｐを、配管カバー部６に覆われるようにして洗濯機用防水パン１の側壁部３から洗濯機用防水パン１の外部に延出するように構成したことを特徴とする、請求項１に記載の洗濯機用防水パンである。 According to the second aspect of the present invention, in the waterproof pan for a washing machine, the pan drainage pipe P, which is a pipe extending from the pipe connection portion 5 to the downstream side, is covered by the pipe cover portion 6 for the washing machine. The waterproof pan for a washing machine according to claim 1, wherein the waterproof pan 1 is configured to extend from the side wall portion 3 of the waterproof pan 1 to the outside of the waterproof pan 1 for a washing machine.

請求項３に記載の本発明は、上記洗濯機用防水パンにおいて、床下配管から床面Ｆ上に延出された縦配管ＦＰを備え、前記底壁部２の裏側の配管は、床下配管から床面Ｆ上に延出された縦配管ＦＰを含み、洗濯機Ｓからの配管である洗濯機排水配管１１を洗濯機用防水パン１の裏側の空間にて縦配管ＦＰと接続させる配管接続部５と、から構成されることを特徴とする請求項１に記載の洗濯機用防水パンである。 According to the third aspect of the present invention, in the waterproof pan for a washing machine, the vertical pipe FP extending from the underfloor pipe to the floor surface F is provided, and the pipe on the back side of the bottom wall portion 2 is from the underfloor pipe. A pipe connection portion that includes a vertical pipe FP extending on the floor surface F and connects the washing machine drainage pipe 11 which is a pipe from the washing machine S to the vertical pipe FP in the space behind the waterproof pan 1 for the washing machine. The waterproof pan for a washing machine according to claim 1, wherein the waterproof pan is composed of 5 and 1.

請求項４に記載の本発明は、上記洗濯機用防水パンにおいて、洗濯機Ｓの排水配管を、サイホン効果を生じさせて排水を行うように構成したことを特徴とする請求項１乃至請求項３のいずれか一つに記載の洗濯機用防水パンである。 The present invention according to claim 4 is characterized in that, in the waterproof pan for a washing machine, the drainage pipe of the washing machine S is configured to cause a siphon effect to drain water. The waterproof pan for a washing machine according to any one of 3.

請求項５に記載の本発明は、上記洗濯機用防水パンにおいて、パン排水配管Ｐに連通する排水口１０ｃを設け、該排水口１０ｃに、洗濯機用防水パン１内の排水をパン排水配管Ｐ側に排出可能とすると共に、パン排水配管Ｐからの排水が洗濯機用防水パン１内へ逆流することを防止する逆流防止弁１０ｄを備えたことを特徴とする、請求項１乃至請求項３のいずれか一つに記載の洗濯機用防水パンである。 According to the fifth aspect of the present invention, in the waterproof pan for a washing machine, a drain port 10c communicating with a pan drain pipe P is provided, and the drainage in the waterproof pan 1 for a washing machine is drained to the pan drain pipe at the drain port 10c. Claims 1 to 2, wherein the backflow prevention valve 10d is provided so that the drainage from the pan drainage pipe P can be discharged to the P side and the drainage from the pan drainage pipe P is prevented from flowing back into the waterproof pan 1 for a washing machine. The waterproof pan for a washing machine according to any one of 3.

請求項１に記載の本発明においては、洗濯機用防水パンの底壁部よりも高い位置に配管接続部を設けたことで、底壁部よりも高い位置に、排水トラップやエルボ管を固定するためのネジ等の固定機構や接着を行う場合の接着しろを配置することができる。このため、洗濯機用防水パンの底壁部の裏面やその近傍である床面の開口の近傍で排水接続口からの配管（以下、この洗濯機用防水パンの排水接続口よりも下流側となる配管を「パン排水配管」と記載する）を水平方向に屈曲させることが可能となり、パン排水配管が他の配管の上側を通して迂回するように施工することが容易となった。
尚、上記構造であれば、配管接続部の下方側に接続する縦方向の配管の長さを調整すれば、床下空間の任意の高さで配管を水平方向に屈曲させることが可能であり、必ずしも床面の開口の近傍の高さ位置に限定して配管を水平方向に屈曲させる必要は無い。前述のように、床面の開口近傍でパン排水配管を水平方向に屈曲させる方が、排水の為の勾配を確保しやすいが、既設の配管を迂回するためには、床面の開口近傍以外の高さ位置で水平方向に屈曲させる場合もある。本発明は「パン排水配管を、床面の開口近傍に固定して水平方向に屈曲させる発明」では無く、「パン排水配管を、床面の開口近傍を含む任意の高さ位置に調整して水平方向に屈曲させることができる発明」である。
また、配管接続部が、底壁部に対して充分に高い位置にあれば、洗濯機用防水パンを設置した床面よりも高い位置でパン排水配管を水平方向に屈曲させることができる。このため、洗濯機用防水パン内部に溜まった排水が漏水しないように工夫した上で、請求項２に記載したように、パン排水配管を側壁部より延出すれば、パン排水配管を床上配管とした構造に対応することもできる。これにより、床上配管用の洗濯機用防水パンを、床下配管用の洗濯機用防水パンと同じ程度に安価とすることができる。
請求項１に記載の本発明では、接続筒部の側面から側壁部まで、その内部にパン排水配管を覆う配管カバー部を備えたことで、側壁部にパン排水配管を貫通させるための穴を設ける必要が無くなる。このため、洗濯機用防水パン内に溜まった排水があっても、洗濯機用防水パンの外部に漏水することが無い。
請求項４に記載の本発明においては、サイホン効果を利用して排水を効率よく行うことができるとともに、床上配管の場合においては、サイホン効果を利用してパン排水配管の一
部が配管接続部より高い位置にあっても支障なく排水を行うことができる。
請求項５に記載の本発明においては、洗濯機用防水パン内部に溜まった排水を、支障なく排出することができる。
請求項３に記載の本発明においては、床下配管と洗濯機用防水パンとの配管接続において、洗濯機用防水パンのパン排水配管との接続は、床面上に突出した縦配管に対して行われ、配管接続の状況を視認できるため、床下空間において洗濯機用防水パンとパン排水配管とを接続する場合に比べ容易に接続を行うことができる。 In the present invention according to claim 1, the drain trap and the elbow pipe are fixed at a position higher than the bottom wall portion by providing the pipe connection portion at a position higher than the bottom wall portion of the waterproof pan for the washing machine. It is possible to arrange a fixing mechanism such as a screw for the purpose of bonding and a margin for bonding. For this reason, piping from the drainage connection port near the back surface of the bottom wall of the waterproof pan for the washing machine or near the opening on the floor surface (hereinafter referred to as the downstream side of the drainage connection port of the waterproof pan for the washing machine). This pipe is referred to as "pan drainage pipe") can be bent in the horizontal direction, and it has become easier to construct the pan drainage pipe so as to bypass it through the upper side of other pipes.
With the above structure, if the length of the vertical pipe connected to the lower side of the pipe connection portion is adjusted, the pipe can be bent in the horizontal direction at an arbitrary height of the underfloor space. It is not always necessary to bend the pipe in the horizontal direction only at a height position near the opening on the floor surface. As mentioned above, it is easier to secure a gradient for drainage by bending the pan drainage pipe in the horizontal direction near the opening on the floor surface, but in order to bypass the existing pipe, it is not near the opening on the floor surface. It may be bent horizontally at the height position of. The present invention is not an "invention in which the pan drainage pipe is fixed near the opening on the floor surface and bent in the horizontal direction", but "the pan drainage pipe is adjusted to an arbitrary height position including the vicinity of the opening on the floor surface". It is an invention that can be bent in the horizontal direction.
Further, if the pipe connection portion is at a position sufficiently higher than the bottom wall portion, the pan drainage pipe can be bent in the horizontal direction at a position higher than the floor surface on which the waterproof pan for the washing machine is installed. Therefore, as described in claim 2, if the pan drainage pipe is extended from the side wall after devising so that the drainage collected inside the waterproof pan for the washing machine does not leak, the pan drainage pipe can be installed on the floor. It is also possible to correspond to the above-mentioned structure. As a result, the waterproof pan for the washing machine for the above-floor piping can be made as cheap as the waterproof pan for the washing machine for the underfloor piping.
According to the first aspect of the present invention, a pipe cover portion for covering the pan drainage pipe is provided inside the connection cylinder portion from the side surface to the side wall portion, so that a hole for penetrating the pan drainage pipe is provided in the side wall portion. There is no need to provide it. Therefore, even if there is drainage accumulated in the waterproof pan for the washing machine, water does not leak to the outside of the waterproof pan for the washing machine.
In the present invention according to claim 4, drainage can be efficiently performed by utilizing the siphon effect, and in the case of on-floor piping, a part of the pan drainage pipe is a pipe connection portion by utilizing the siphon effect. Drainage can be performed without any problem even at a higher position.
In the present invention according to claim 5, the drainage accumulated inside the waterproof pan for a washing machine can be discharged without any trouble.
In the present invention according to claim 3 , in the pipe connection between the underfloor pipe and the waterproof pan for the washing machine, the connection between the pan drainage pipe of the waterproof pan for the washing machine is connected to the vertical pipe protruding above the floor surface. Since the piping connection status can be visually confirmed, the connection can be made more easily than when the washing machine waterproof pan and the pan drainage pipe are connected in the underfloor space.

第一実施例の洗濯機用防水パンの施工状態を示す断面図である。It is sectional drawing which shows the construction state of the waterproof pan for a washing machine of 1st Example. 第一実施例の洗濯機用防水パンと、使用される部材の構成を示す断面図である。It is sectional drawing which shows the structure of the waterproof pan for a washing machine of 1st Example, and the member used. 第一実施例の洗濯機用防水パンのみの斜視図である。It is a perspective view of only the waterproof pan for a washing machine of 1st Example. 第二実施例の洗濯機用防水パンの施工状態を示す断面図である。It is sectional drawing which shows the construction state of the waterproof pan for a washing machine of the 2nd Example. 切欠部を開口した洗濯機用防水パンのみの斜視図である。It is a perspective view of only the waterproof pan for a washing machine with a notch opened. 第二実施例の洗濯機用防水パンとパン排水配管の施工状態を示す参考図である。It is a reference figure which shows the construction state of the waterproof pan for a washing machine and the pan drainage pipe of the 2nd Example. リフォーム前の床下配管を示す参考図である。It is a reference figure which shows the underfloor piping before remodeling. リフォーム後の床下配管を示す参考図である。It is a reference figure which shows the underfloor piping after remodeling.

以下に、本発明の第一実施例を、図面を参照しつつ説明する。尚、本発明の第一実施例の洗濯機用防水パン１は、屋内のリフォームに使用されるものであって、床下の排水配管に接続されて排水を下水側に排出する。
本発明の第一実施例は、図１乃至図３に示した、以下に記載する、洗濯機Ｓ、洗濯機用防水パン１、接続部材８、継手部材９、逆流防止弁部材１０、等から構成される。尚、本第一実施例においては、洗濯機Ｓの図示は省略する。
洗濯機Ｓは、洗濯機Ｓの使用によって生じた排水を排出するためのホース管１１ａと、このホース管１１ａの端部に備えられたエルボ部材１１ｂと、からなる洗濯機排水配管１１を備えてなる。
洗濯機用防水パン１は、平面視略長方形を成す底壁部２と、該底壁部２の外周部分に沿って全周に設けられた側壁部３と、を備えてなる。施工時、底壁部２は設置される床面Ｆに対して約５ミリメートル程度の隙間を設けて配置される。尚、本実施例の洗濯機用防水パン１は、長辺約３００ミリメートル、短辺約２００ミリメートル、高さ約１２０ミリメートル程度の大きさである。
また洗濯機用防水パン１の側壁部３は、略Ｖの字を天地逆転させたような断面形状を成す２枚の壁を、底壁部２の全周に沿って設け、壁面としてなる。上記のように、側壁部３は内外二枚の壁面から形成されてなり、以下内側の側壁部３を内壁部３ａ、外側の側壁部３を外壁部３ｂ、と記載する。
また、上記洗濯機用防水パン１は、底壁部２の中央部分から、上方に延出する円筒状の接続筒部４を設けてなる。接続筒部４の上面は内側に向かって鍔部４ａが形成され、その内側には上下に貫通する取付口４ｂが設けられてなる。
また、接続筒部４の側面から、長方形の短辺を成す一方の内壁部３ａまで、断面視下方を開放した略コの字形状を成す配管カバー部６を設けてなる。該配管カバー部６は、下方と、接続筒部４及び内壁部３ａに接する部分が開放されてなる。
また、配管カバー部６の延長線部分となる外壁部３ｂには、外壁部３ｂの内側面に、配管カバー部６の断面形状に合致する略コの字形状の切出溝７ａを設けてなる。尚、図３の斜視図においては、切出溝７ａは洗濯機用防水パン１の表側からは目視できないため、対応する位置に点線して示してなる。
接続部材８は略円筒形状であって、側面上端に、外周方向に突出するフランジ部８ａを備えてなり、また外側面であってフランジ部８ａの下方に雄ネジを設けてなる。また円筒部分の内部には、洗濯機排水配管１１のエルボ部材１１ｂ先端と嵌合可能な接続部８ｂを備えてなる。
継手部材９は略円筒形状であって、円筒部分の内面の上方側には、接続部材８の雄ネジと螺合する雌ネジを備えてなり、また下端には規格寸法のパイプ管の外径と合致する内径を有し、接着によりパイプ管と接続可能な受入部９ａを備えてなる。
逆流防止弁部材１０は、略円筒形状を成す部材であって、上端部には上記接続部材８の接続部８ｂと同様の、エルボ部材１１ｂ先端と内面が段差なく嵌合可能な弁部材接続部１０ａを備えてなる。また下端には洗濯機排水配管１１のエルボ部材１１ｂの端部と同様の形状を備え、接続部材８の接続部８ｂと嵌合可能に構成された弁部材挿入部１０ｂを備えてなる。
また、円筒部分の側面に、洗濯機用防水パン１内の排水を内部に排出可能とすると共に、内部からの排水が洗濯機用防水パン１内へ逆流することを防止する逆流防止弁１０ｄを備えた排水口１０ｃを設けてなる。
尚、上記接続部材８と継手部材９、エルボ部材１１ｂ、及び縦管部ＦＰは、施工が完了した時、その内面が段差なく接続されるように、その形状を設計されてなる。 Hereinafter, the first embodiment of the present invention will be described with reference to the drawings. The waterproof pan 1 for a washing machine according to the first embodiment of the present invention is used for indoor remodeling, and is connected to a drainage pipe under the floor to discharge drainage to the sewage side.
The first embodiment of the present invention is based on the washing machine S, the waterproof pan for the washing machine 1, the connecting member 8, the joint member 9, the check valve member 10, and the like, which are shown in FIGS. It is composed. In the first embodiment, the washing machine S is not shown.
The washing machine S includes a washing machine drainage pipe 11 including a hose pipe 11a for discharging the drainage generated by using the washing machine S, an elbow member 11b provided at an end of the hose pipe 11a, and a washing machine drainage pipe 11. Become.
The waterproof pan 1 for a washing machine includes a bottom wall portion 2 having a substantially rectangular shape in a plan view, and a side wall portion 3 provided on the entire circumference along the outer peripheral portion of the bottom wall portion 2. At the time of construction, the bottom wall portion 2 is arranged with a gap of about 5 mm with respect to the floor surface F to be installed. The waterproof pan 1 for a washing machine of this embodiment has a long side of about 300 mm, a short side of about 200 mm, and a height of about 120 mm.
Further, the side wall portion 3 of the waterproof pan 1 for a washing machine is provided with two walls having a cross-sectional shape that looks like a substantially V-shaped inverted shape, along the entire circumference of the bottom wall portion 2, and serves as a wall surface. As described above, the side wall portion 3 is formed of two inner and outer wall surfaces. Hereinafter, the inner side wall portion 3 is referred to as an inner wall portion 3a, and the outer side wall portion 3 is referred to as an outer wall portion 3b.
Further, the waterproof pan 1 for a washing machine is provided with a cylindrical connecting cylinder portion 4 extending upward from the central portion of the bottom wall portion 2. A flange portion 4a is formed on the upper surface of the connection cylinder portion 4 toward the inside, and a mounting port 4b penetrating vertically is provided inside the flange portion 4a.
Further, a pipe cover portion 6 having a substantially U-shape with an open lower part in a cross-sectional view is provided from the side surface of the connecting cylinder portion 4 to the inner wall portion 3a forming one short side of the rectangle. The lower part of the pipe cover portion 6 and the portion in contact with the connecting cylinder portion 4 and the inner wall portion 3a are opened.
Further, the outer wall portion 3b, which is an extension line portion of the pipe cover portion 6, is provided with a substantially U-shaped cutout groove 7a on the inner side surface of the outer wall portion 3b, which matches the cross-sectional shape of the pipe cover portion 6. .. In the perspective view of FIG. 3, the cutout groove 7a is not visible from the front side of the waterproof pan 1 for the washing machine, and is therefore shown by a dotted line at the corresponding position.
The connecting member 8 has a substantially cylindrical shape, is provided with a flange portion 8a protruding in the outer peripheral direction at the upper end of the side surface, and is provided with a male screw on the outer surface below the flange portion 8a. Further, inside the cylindrical portion, a connecting portion 8b that can be fitted with the tip of the elbow member 11b of the washing machine drainage pipe 11 is provided.
The joint member 9 has a substantially cylindrical shape, and is provided with a female screw screwed with the male screw of the connecting member 8 on the upper side of the inner surface of the cylindrical portion, and the outer diameter of the pipe pipe having standard dimensions is provided at the lower end. It is provided with a receiving portion 9a having an inner diameter matching the above and which can be connected to the pipe pipe by adhesion.
The check valve member 10 is a member having a substantially cylindrical shape, and a valve member connecting portion having an elbow member 11b tip and an inner surface that can be fitted without a step at the upper end portion, similar to the connecting portion 8b of the connecting member 8. It is equipped with 10a. Further, the lower end is provided with a valve member insertion portion 10b having the same shape as the end portion of the elbow member 11b of the washing machine drainage pipe 11 and being configured to be fitted with the connection portion 8b of the connection member 8.
Further, on the side surface of the cylindrical portion, a check valve 10d is provided so that the drainage in the waterproof pan 1 for the washing machine can be discharged to the inside and the drainage from the inside is prevented from flowing back into the waterproof pan 1 for the washing machine. A provided drainage port 10c is provided.
The shape of the connecting member 8, the joint member 9, the elbow member 11b, and the vertical pipe portion FP is designed so that the inner surfaces thereof are connected without a step when the construction is completed.

上記洗濯機用防水パン１を設置する床面Ｆは、以下のような配管構造が用意されてなる。
設置する床面Ｆには、平面視において洗濯機用防水パン１よりも小さい大きさの床面の開口ＦＯが設けられてなり、この床面の開口ＦＯから床下配管に繋がる塩ビ素材の縦配管ＦＰが垂立して備えられてなる。
この縦配管ＦＰについて詳述すると、上記のようにリフォームを行うに際し、洗濯機用防水パン１を任意の箇所に設置するため、設置個所の床面Ｆに開口を設け、この床面の開口ＦＯから垂立するように床下の既設の排水配管ＥＰ２から分岐させたものである。この際、図８に示したように、開口の位置にて縦配管ＦＰを床面Ｆ上に延出しつつ、且つ既設の給水管やガス配管等の既設の配管ＥＰ１を迂回しながら床下配管の主管まで自然排水の勾配を確保するために、既設の配管ＥＰ１の上側を迂回して配管している。このため、縦配管ＦＰは床面の開口ＦＯ近傍にエルボ管を配置しており、エルボ管の端部に設けたソケット部ＰＳ（縦配管ＦＰとなる直管端部を収納し、接着する際の接着しろとなる部分）は床面の開口ＦＯと同じ高さ、または床面よりも上方の位置に達している。これらの配管は、以下に記載する洗濯機用防水パン１の施工を開始する際に、既に配管作業が完了しており、各接続部分は必要に応じ、接着などの方法で水密的に接続固定されている。また縦配管ＦＰは、後述する洗濯機用防水パン１を接続するのに適切な高さになるよう、その長さを調整した上で配置されている。
尚、図示また詳細な記載等は省くが、これらの配管は、必要に応じて、床面Ｆよりも下方のコンクリート打設面に支持具などで位置決め固定され、水平方向／垂直方向に対し固定されている。 The floor surface F on which the waterproof pan 1 for a washing machine is installed has the following piping structure.
The floor surface F to be installed is provided with an opening FO on the floor surface having a size smaller than that of the waterproof pan 1 for a washing machine in a plan view, and a vertical pipe made of a vinyl chloride material connected to the underfloor piping from the opening FO on the floor surface. The FP is provided upright.
The vertical piping FP will be described in detail. In order to install the waterproof pan 1 for a washing machine at an arbitrary position when performing the reform as described above, an opening is provided in the floor surface F of the installation location, and the opening FO of the floor surface is provided. It is branched from the existing drainage pipe EP2 under the floor so as to stand upright from the floor. At this time, as shown in FIG. 8, the vertical pipe FP is extended onto the floor surface F at the opening position, and the underfloor pipe is circumvented while bypassing the existing pipe EP1 such as the existing water supply pipe and gas pipe. In order to secure the gradient of natural drainage to the main pipe, the pipe is bypassed above the existing pipe EP1. For this reason, the vertical pipe FP has an elbow pipe arranged near the opening FO on the floor surface, and when the socket portion PS provided at the end of the elbow pipe (the end of the straight pipe serving as the vertical pipe FP is stored and bonded). The portion to be adhered to the floor surface) reaches the same height as the opening FO on the floor surface or a position above the floor surface. These pipes have already been piped when the construction of the waterproof pan 1 for the washing machine described below is started, and each connection part is watertightly connected and fixed by a method such as adhesion as necessary. Has been done. Further, the vertical pipe FP is arranged after adjusting its length so as to have an appropriate height for connecting the waterproof pan 1 for a washing machine, which will be described later.
Although illustrations and detailed descriptions are omitted, these pipes are positioned and fixed to the concrete placing surface below the floor surface F with a support or the like as necessary, and are fixed in the horizontal / vertical direction. Has been done.

以下に、本発明の第一実施例の洗濯機用防水パン１の施工方法を、図面を参照しつつ説明する。尚、特に詳述しないが、以下の施工の際には、必要に応じ接続箇所はパッキングや接着剤を利用して水密的に接続されてなる。
まず、洗濯機用防水パン１の取付口４ｂ周縁の鍔部４ａの上面に、接続部材８の筒部分を挿通し、接続部材８のフランジ部８ａ下面と取付口４ｂ周縁の鍔部４ａ上面とが当接するように配置する。
次に、継手部材９を洗濯機用防水パン１の下方から取付口４ｂ周縁に配置し、接続部材８の雄ネジを継手部材９の雌ネジに螺合させて、フランジ部８ａ下面と継手部材９上面とで鍔部４ａを挟持させ、接続部材８及び継手部材９を洗濯機用防水パン１に接続固定する。この接続部材８及び継手部材９を接続筒部４上端に接続固定したことによって、接続筒部４上端に配管接続部５が形成される。前述の通り、接続筒部４は底壁部２より上方に延出されているため、配管接続部５は底壁部２よりも高い位置に設けられてなる。
次に、配管接続部５の接続部８ｂに、逆流防止弁部材１０の弁部材挿入部１０ｂを挿入し嵌合接続する。尚、当然ながら、この接続に際して、逆流防止弁部材１０の排水口１０ｃは、洗濯機用防水パン１の側壁部３の上端よりも低い位置となるように設計されてなる。
次に、配管接続部５の受入部９ａ内面または床面の開口ＦＯから延出された縦配管ＦＰの上端外面のいずれか一方に接着剤を塗布した上で、受入部９ａ内に縦配管ＦＰの端部を挿入しつつ、洗濯機用防水パン１を床面Ｆ上に設置する。この作業は、設置の際に縦配管ＦＰの位置を横方向から視認しつつ行うことができるため、容易に行うことができる。
これにより、配管接続部５が、床下配管から床面Ｆ上に延出された縦配管ＦＰと、洗濯機用防水パン１の裏側の空間にて接続され、以降、縦配管ＦＰから下流側の配管はパン排水配管Ｐとなる。
尚、床面の開口ＦＯから延出している縦配管ＦＰの下端であって、床面の開口ＦＯと同じ高さ、または床面よりも上方の高さ位置には、図８に示したように、エルボ管の端部に設けたソケット部ＰＳが存在するが、図１より明らかなように、配管接続部５において縦配管ＦＰが挿入される受入部９ａは、洗濯機用防水パン１の底壁部２よりも充分高い接続筒部４の上端の位置にあり、上記縦配管ＦＰと受入部９ａとの接続に際し、受入部９ａとソケット部ＰＳは上下方向に充分な距離があるため、互いに干渉することは無い。
次に、ビスなどを利用し、洗濯機用防水パン１を床面Ｆ上の設置場所に固定する。
次に、洗濯機Ｓを床面Ｆ上の任意の場所に設置する。洗濯機Ｓの位置は、洗濯機用防水パン１の上方でも良いし、それ以外の床面Ｆ上でも良い。
更に洗濯機Ｓの洗濯機排水配管１１のエルボ部材１１ｂの端部を、洗濯機用防水パン１の逆流防止弁部材１０の弁部材接続部１０ａを接続させ、逆流防止弁部材１０を介して、洗濯機用防水パン１の配管接続部５と洗濯機排水配管１１を接続させて、本実施例の洗濯機用防水パン１の施工が完了する。 Hereinafter, a method of constructing the waterproof pan 1 for a washing machine according to the first embodiment of the present invention will be described with reference to the drawings. Although not described in detail, in the following construction, the connection points are watertightly connected by using packing or an adhesive if necessary.
First, the tubular portion of the connecting member 8 is inserted into the upper surface of the flange portion 4a on the periphery of the mounting port 4b of the waterproof pan 1 for a washing machine, and the lower surface of the flange portion 8a of the connecting member 8 and the upper surface of the flange portion 4a on the periphery of the mounting port 4b. Arrange so that they are in contact with each other.
Next, the joint member 9 is arranged from below the waterproof pan 1 for the washing machine on the periphery of the mounting port 4b, and the male screw of the connecting member 8 is screwed into the female screw of the joint member 9, and the lower surface of the flange portion 8a and the joint member are screwed. The flange portion 4a is sandwiched between the upper surface of the 9 and the connecting member 8 and the joint member 9 are connected and fixed to the waterproof pan 1 for a washing machine. By connecting and fixing the connecting member 8 and the joint member 9 to the upper end of the connecting cylinder portion 4, the pipe connecting portion 5 is formed at the upper end of the connecting cylinder portion 4. As described above, since the connection cylinder portion 4 extends upward from the bottom wall portion 2, the pipe connection portion 5 is provided at a position higher than the bottom wall portion 2.
Next, the valve member insertion portion 10b of the check flow prevention valve member 10 is inserted into the connection portion 8b of the pipe connection portion 5 and fitted and connected. As a matter of course, at the time of this connection, the drain port 10c of the check valve member 10 is designed to be lower than the upper end of the side wall portion 3 of the waterproof pan 1 for the washing machine.
Next, after applying an adhesive to either the inner surface of the receiving portion 9a of the pipe connecting portion 5 or the outer surface of the upper end of the vertical pipe FP extending from the opening FO on the floor surface, the vertical pipe FP is inside the receiving portion 9a. The waterproof pan 1 for the washing machine is installed on the floor surface F while inserting the end portion of the washing machine. Since this work can be performed while visually recognizing the position of the vertical pipe FP from the horizontal direction at the time of installation, it can be easily performed.
As a result, the pipe connection portion 5 is connected to the vertical pipe FP extending from the underfloor pipe onto the floor surface F in the space behind the waterproof pan 1 for the washing machine. The pipe is a pan drainage pipe P.
As shown in FIG. 8, the lower end of the vertical pipe FP extending from the opening FO on the floor surface and at the same height as the opening FO on the floor surface or at a height above the floor surface is as shown in FIG. There is a socket portion PS provided at the end of the elbow pipe, but as is clear from FIG. 1, the receiving portion 9a into which the vertical pipe FP is inserted in the pipe connection portion 5 is a waterproof pan 1 for a washing machine. It is located at the upper end of the connection cylinder 4 which is sufficiently higher than the bottom wall 2, and when connecting the vertical pipe FP and the receiving portion 9a, the receiving portion 9a and the socket portion PS have a sufficient distance in the vertical direction. They do not interfere with each other.
Next, the waterproof pan 1 for the washing machine is fixed to the installation location on the floor surface F by using screws or the like.
Next, the washing machine S is installed at an arbitrary location on the floor surface F. The position of the washing machine S may be above the waterproof pan 1 for the washing machine, or may be on the floor surface F other than that.
Further, the end of the elbow member 11b of the washing machine drainage pipe 11 of the washing machine S is connected to the valve member connecting portion 10a of the check valve member 10 of the waterproof pan 1 for the washing machine, and the check valve member 10 is used to connect the valve member connection portion 10a. By connecting the pipe connection portion 5 of the washing machine waterproof pan 1 and the washing machine drainage pipe 11, the construction of the washing machine waterproof pan 1 of this embodiment is completed.

洗濯機Ｓの使用により洗濯機排水配管１１から排水が行われた場合、排水は洗濯機排水配管１１から、逆流防止弁部材１０、配管接続部５、の順に通過し、パン排水配管Ｐである縦配管ＦＰから床下配管を介して下水側に排出される。尚、逆流防止弁部材１０内を排水が通過する際には、逆流防止弁１０ｄが作用するため、洗濯機用防水パン１内に排水が逆流することは無い。
また、配管の接続箇所等から若干の漏水が洗濯機用防水パン１内に発生した場合には、漏水は洗濯機用防水パン１内に留まり、他の床面Ｆ上に流出することは無いため、床面Ｆ上が汚損されることを防止できる。
また、洗濯機排水配管１１が故障したなどの理由で洗濯機用防水パン１内に大量の排水が発生した場合、溜まった排水の水位が接続筒部４上端の排水口１０ｃに達した時点で、逆流防止弁１０ｄが開口し、洗濯機用防水パン１内の排水は、排水口１０ｃから縦配管ＦＰ及び床下配管を介して下水側に排出される。 When drainage is performed from the washing machine drainage pipe 11 by using the washing machine S, the drainage passes from the washing machine drainage pipe 11 in the order of the check valve member 10 and the pipe connection portion 5, and is the pan drainage pipe P. It is discharged from the vertical pipe FP to the sewage side via the underfloor pipe. When the drainage passes through the check valve member 10, the check valve 10d acts, so that the drainage does not flow back into the waterproof pan 1 for the washing machine.
In addition, if some water leaks from the connection points of the pipes in the waterproof pan 1 for the washing machine, the leak stays in the waterproof pan 1 for the washing machine and does not flow out onto the other floor surface F. Therefore, it is possible to prevent the floor surface F from being soiled.
Further, when a large amount of drainage is generated in the washing machine waterproof pan 1 due to a failure of the washing machine drainage pipe 11, when the water level of the accumulated drainage reaches the drainage port 10c at the upper end of the connection cylinder portion 4. The check valve 10d opens, and the drainage in the washing machine waterproof pan 1 is discharged from the drainage port 10c to the sewage side via the vertical pipe FP and the underfloor pipe.

次に、本発明の第二実施例を、図面を参照しつつ説明する。尚、本発明の第二実施例の洗濯機用防水パン１は、屋内のリフォームに使用されるものであって、床上の排水配管に接続されて排水を配管先である浴室に排出する。
本発明の第二実施例は、図４乃至図６に示した、洗濯機Ｓ、洗濯機用防水パン１、接続部材８、継手部材９、及びパン排水配管Ｐを構成するパイプ管やエルボ管等の配管部材から構成される。
この内、洗濯機Ｓ、洗濯機用防水パン１、接続部材８、及び継手部材９は、段落００１４に記載した第一実施例の各部材と同一のため説明は省略し、以下に配管部材についてのみ説明する。
配管部材は、塩ビ素材からなる管体であって、直線状の円筒管からなる直管、両端が約９０度屈曲したエルボ管等の種類がある。また、エルボ管、チーズ管の端部には、直管が挿入され接着などで接続可能とするためのソケット部ＰＳを備えてなる。
尚、図示また詳細な記載等は省くが、これらの配管は、必要に応じて、床面Ｆ上に支持具などで固定される。 Next, a second embodiment of the present invention will be described with reference to the drawings. The waterproof pan 1 for a washing machine according to the second embodiment of the present invention is used for indoor remodeling, and is connected to a drainage pipe on the floor to discharge the drainage to the bathroom where the pipe is connected.
In the second embodiment of the present invention, the pipe pipe and the elbow pipe constituting the washing machine S, the waterproof pan 1 for the washing machine, the connecting member 8, the joint member 9, and the pan drainage pipe P shown in FIGS. 4 to 6 are shown. It is composed of piping members such as.
Of these, the washing machine S, the waterproof pan 1 for the washing machine, the connecting member 8, and the joint member 9 are the same as the respective members of the first embodiment described in paragraph 0014, so the description thereof will be omitted. Only explain.
The piping member is a pipe body made of a vinyl chloride material, and includes a straight pipe made of a linear cylindrical pipe, an elbow pipe having both ends bent by about 90 degrees, and the like. Further, a socket portion PS for inserting a straight pipe and making it connectable by adhesion or the like is provided at the end of the elbow pipe and the cheese pipe.
Although illustrations and detailed descriptions are omitted, these pipes are fixed on the floor surface F with a support or the like, if necessary.

上記洗濯機Ｓや洗濯機用防水パン１を設置する家屋には、以下のような設置個所や排水機器が用意されてなる。
本実施例の洗濯機用防水パン１を設置する、屋内の床面Ｆは、特に床下に連通する何らの開口を設けてはいない、平坦な床面Ｆである。また、近傍には設置場所と浴室とを区画する浴室の壁面ＢＷがあり、施工時にパン排水配管Ｐを浴室側に通すための貫通孔ＢＨが設けられてなる。
浴室は、洗い場と洗い場に隣接した浴槽が設けられてなる、洗い場には洗い場上の排水を下水に排出する洗い場排水口（図示せず）が備えられてなる。
尚、浴室の壁面ＢＷに設けられた貫通孔ＢＨの高さは、施工時床面Ｆ上に略平行に設置された配管よりも高い位置に設けられてなるが、排水時にサイホン効果が働くことで、床面Ｆ上の配管の下流側である貫通孔ＢＨ部分の配管のほうが高所であってもスムーズな排水が行われることを可能としている。 In the house where the washing machine S and the waterproof pan 1 for the washing machine are installed, the following installation locations and drainage devices are prepared.
The indoor floor surface F on which the waterproof pan 1 for the washing machine of the present embodiment is installed is a flat floor surface F in which no opening communicating with the underfloor is provided. Further, there is a bathroom wall surface BW that separates the installation location and the bathroom in the vicinity, and a through hole BH for passing the pan drainage pipe P to the bathroom side is provided at the time of construction.
The bathroom is provided with a washroom and a bathtub adjacent to the washroom, and the washroom is equipped with a washroom drain (not shown) that drains the drainage from the washroom into the sewage.
The height of the through hole BH provided in the wall surface BW of the bathroom is higher than that of the pipes installed substantially parallel to the floor surface F at the time of construction, but the siphon effect works at the time of drainage. Therefore, the pipe in the through hole BH portion on the downstream side of the pipe on the floor surface F enables smooth drainage even at a high place.

以下に、本発明の第二実施例の洗濯機用防水パン１の施工方法を、図面を参照しつつ説明する。尚、特に詳述しないが、以下の施工の際には、必要に応じ接続箇所はパッキングや接着剤を利用して水密的に接続されてなる。
まず、洗濯機用防水パン１の側壁部３の外壁部３ｂを、切出溝７ａに沿って切断して外壁部３ｂに切欠部７ｂを形成し、配管接続口よりも下流側の配管を洗濯機用防水パン１の側壁部３の切欠部７ｂから延出可能な構造とする。
次に、洗濯機用防水パン１の取付口４ｂ周縁の鍔部４ａの上面に、接続部材８の筒部分を挿通し、接続部材８のフランジ部８ａ下面と取付口４ｂ周縁の鍔部４ａ上面とが当接するように配置する。
次に、継手部材９を洗濯機用防水パン１の下方から取付口４ｂ周縁に配置し、接続部材８の雄ネジを継手部材９の雌ネジに螺合させて、フランジ部８ａ下面と継手部材９上面とで鍔部４ａを挟持させ、接続部材８及び継手部材９を洗濯機用防水パン１に接続固定する。この接続部材８及び継手部材９を接続筒部４上端に接続固定したことによって、接続筒部４上端に配管接続部５が形成される。
次に、パン排水配管Ｐの施工を行う。尚、パン排水配管Ｐの配管は、直管やソケット部ＰＳを備えたエルボ管等を組み合わせて行われるが、以下の説明では、どの方向に配管が行われるかのみを記載し、各直管やエルボ管等の配管部材をどのように組み合わせたかについては特に詳述しない。
図６に示したように、配管接続部５の下方の受入部９ａに、適切な長さに切断した直管を、接着剤を塗布した上で挿入し、更にエルボ管と直管を利用して、洗濯機用防水パン１の裏側空間であって、床面Ｆよりも上方となる位置にて配管を９０度屈曲させ、接続筒部４から側面方向に配管を向ける。この時、単に配管の方向を水平方向とするのではなく、配管カバー部６の方向に向けて配管を水平方向に向ける。
次に、配管カバー部６の下方を介し、切欠部７ｂより洗濯機用防水パン１の外部にパン排水配管Ｐを延出させる。
次に、洗濯機用防水パン１を床面Ｆ上に設置し、必要に応じパン排水配管Ｐを支える支持台を床面Ｆに設置しつつ、洗濯機用防水パン１からのパン排水配管Ｐを、床面Ｆに沿って浴室の壁面ＢＷ外側近傍まで延出する。
次に、パン排水配管Ｐを、浴室の外側の壁面に沿って鉛直上方向に屈曲させ、浴室壁面の貫通孔ＢＨの高さ位置で水平方向に屈曲させて貫通孔ＢＨに配管を通し、更に浴室内で浴室の内側の壁面に沿って配管を鉛直下方向に屈曲させる。最終的に、パン排水配管Ｐの端部が、浴室内であって、浴室の洗い場上に配置されるようにする。また、パン排水配管Ｐの浴室内側の端部は、その下端が、洗濯機用防水パン１の接続部材８の上端よりも下方となる高さ位置まで延出する。
次に、ビスなどを利用し、洗濯機用防水パン１を床面Ｆ上の設置場所に固定する。
次に、洗濯機Ｓを床面Ｆ上の任意の場所に設置する。洗濯機Ｓの位置は、洗濯機用防水パン１の上方でも良いし、それ以外の床面Ｆ上でも良い。
更に洗濯機Ｓの洗濯機排水配管１１のエルボ部材１１ｂの端部を、接続部８ｂに接続させ、洗濯機用防水パン１の配管接続部５と洗濯機排水配管１１を接続させることで、本実施例の洗濯機用防水パン１の施工が完了する。尚、段落００１４に記載の通り、接続部材８と継手部材９、エルボ部材１１ｂ、及び縦管部ＦＰは、施工が完了した状態で、その内面が段差なく接続されてなる。 Hereinafter, a method of constructing the waterproof pan 1 for a washing machine according to the second embodiment of the present invention will be described with reference to the drawings. Although not described in detail, in the following construction, the connection points are watertightly connected by using packing or an adhesive if necessary.
First, the outer wall portion 3b of the side wall portion 3 of the waterproof pan 1 for a washing machine is cut along the cutout groove 7a to form a notch portion 7b in the outer wall portion 3b, and the pipe on the downstream side of the pipe connection port is washed. The structure is such that it can extend from the notch 7b of the side wall 3 of the waterproof pan 1 for a machine.
Next, the tubular portion of the connecting member 8 is inserted into the upper surface of the flange portion 4a on the periphery of the mounting port 4b of the waterproof pan 1 for a washing machine, and the lower surface of the flange portion 8a of the connecting member 8 and the upper surface of the flange portion 4a on the periphery of the mounting port 4b. Arrange so that they are in contact with each other.
Next, the joint member 9 is arranged from below the waterproof pan 1 for the washing machine on the periphery of the mounting port 4b, and the male screw of the connecting member 8 is screwed into the female screw of the joint member 9, and the lower surface of the flange portion 8a and the joint member are screwed. The flange portion 4a is sandwiched between the upper surface of the 9 and the connecting member 8 and the joint member 9 are connected and fixed to the waterproof pan 1 for a washing machine. By connecting and fixing the connecting member 8 and the joint member 9 to the upper end of the connecting cylinder portion 4, the pipe connecting portion 5 is formed at the upper end of the connecting cylinder portion 4.
Next, the pan drainage pipe P is constructed. In addition, the pipe of the pan drainage pipe P is performed by combining a straight pipe, an elbow pipe provided with a socket portion PS, etc., but in the following explanation, only the direction in which the pipe is performed is described, and each straight pipe is described. The details of how the piping members such as the elbow pipe and the elbow pipe are combined will not be described in detail.
As shown in FIG. 6, a straight pipe cut to an appropriate length is inserted into the receiving portion 9a below the pipe connecting portion 5 after applying an adhesive, and the elbow pipe and the straight pipe are further used. The pipe is bent 90 degrees at a position above the floor surface F in the space behind the waterproof pan 1 for the washing machine, and the pipe is directed from the connecting cylinder 4 toward the side surface. At this time, the direction of the pipe is not simply set to the horizontal direction, but the pipe is directed to the direction of the pipe cover portion 6 in the horizontal direction.
Next, the pan drainage pipe P is extended from the notch 7b to the outside of the waterproof pan 1 for the washing machine via the lower part of the pipe cover portion 6.
Next, the waterproof pan 1 for the washing machine is installed on the floor surface F, and the support base for supporting the pan drainage pipe P is installed on the floor surface F as needed, while the pan drainage pipe P from the waterproof pan 1 for the washing machine is installed. Is extended along the floor surface F to the vicinity of the outside of the wall surface BW of the bathroom.
Next, the pan drainage pipe P is bent vertically upward along the outer wall surface of the bathroom, bent horizontally at the height position of the through hole BH on the bathroom wall surface, and the pipe is passed through the through hole BH. In the bathroom, bend the pipe vertically downward along the inner wall surface of the bathroom. Finally, the end of the pan drainage pipe P is arranged in the bathroom and on the washroom of the bathroom. Further, the lower end of the pan drainage pipe P inside the bathroom extends to a height position where the lower end is lower than the upper end of the connecting member 8 of the waterproof pan 1 for a washing machine.
Next, the waterproof pan 1 for the washing machine is fixed to the installation location on the floor surface F by using screws or the like.
Next, the washing machine S is installed at an arbitrary location on the floor surface F. The position of the washing machine S may be above the waterproof pan 1 for the washing machine, or may be on the floor surface F other than that.
Further, the end of the elbow member 11b of the washing machine drainage pipe 11 of the washing machine S is connected to the connection portion 8b, and the pipe connection portion 5 of the waterproof pan 1 for the washing machine and the washing machine drainage pipe 11 are connected. The construction of the waterproof pan 1 for the washing machine of the embodiment is completed. As described in paragraph 0014, the connecting member 8, the joint member 9, the elbow member 11b, and the vertical pipe portion FP are connected to each other without a step on the inner surface thereof in a state where the construction is completed.

洗濯機Ｓの使用により洗濯機排水配管１１から排水が行われた場合、排水は洗濯機排水配管１１から、配管接続部５、パン排水配管Ｐの順に通過し、浴室の洗い場内に排出され、浴室の洗い場排水口を介して下水側に排出される。
パン排水配管Ｐの、貫通孔ＢＨ部分の配管の高さ位置は、床面Ｆ上に配置した配管よりも高い位置に配置されているが、洗濯機Ｓを使用し排水が大量に流れた際には、一時的に洗濯機Ｓの内部であって、貫通孔ＢＨよりも高い位置から排水が生じ、貫通孔ＢＨの高さ位置の配管を超えて浴室内に排水が行われる。また、この時には、パン排水配管Ｐが排水のみで満たされた満管状態となり、サイホン効果が発生する。このサイホン効果は、接続部材８と継手部材９、エルボ部材１１ｂ、及び縦管部ＦＰにおいて、その内面が段差なく接続されていることで排水の流れがスムーズとなり、また空気だまりも発生しないため、特に発生し易くなっている。
パン排水配管Ｐの、浴室内の端部は、接続部材８の上端よりも下方となる高さ位置のため、サイホン効果により、パン排水配管Ｐ内が満管状態を維持する限り、排水は貫通孔ＢＨの高さ位置を超えて、支障なく浴室内に排出される。
また、配管などの接続部８ｂから若干の漏水が洗濯機用防水パン１内に発生した場合には、漏水は洗濯機用防水パン１内に留まり、他の床面Ｆ上に流出することは無いため、床面Ｆ上が汚損されることを防止できる。 When drainage is performed from the washing machine drainage pipe 11 by using the washing machine S, the drainage passes from the washing machine drainage pipe 11 in this order to the pipe connection portion 5 and the pan drainage pipe P, and is discharged into the washing place of the bathroom. It is discharged to the sewage side through the drain of the washing place in the bathroom.
The height position of the pipe in the through hole BH portion of the pan drainage pipe P is higher than that of the pipe arranged on the floor surface F, but when a large amount of drainage flows using the washing machine S. Is temporarily inside the washing machine S, drainage is generated from a position higher than the through hole BH, and drainage is performed in the bathroom beyond the pipe at the height position of the through hole BH. Further, at this time, the pan drainage pipe P is filled with only drainage, and the siphon effect is generated. This siphon effect is due to the fact that the connecting member 8, the joint member 9, the elbow member 11b, and the vertical pipe portion FP are connected to each other without a step, so that the drainage flow becomes smooth and no air pool is generated. It is especially likely to occur.
Since the end of the pan drainage pipe P in the bathroom is located at a height below the upper end of the connecting member 8, the drainage penetrates as long as the inside of the pan drainage pipe P is maintained in a full pipe state due to the siphon effect. It is discharged into the bathroom without any trouble beyond the height position of the hole BH.
Further, when a slight water leak occurs in the waterproof pan 1 for the washing machine from the connection portion 8b of the pipe or the like, the water leak stays in the waterproof pan 1 for the washing machine and may flow out onto the other floor surface F. Therefore, it is possible to prevent the floor surface F from being soiled.

上記第二実施例では、床下配管を行う第一実施例と同じ洗濯機用防水パン１を使用しつつ、床上配管に対応することができる。床下配管用の洗濯機用防水パン１と床上配管用の洗濯機用防水パン１とを、同じ洗濯機用防水パン１で兼用できるため、床上配管に対応した洗濯機用防水パン１を、床下配管に対応した洗濯機用防水パン１と同じ程度の安価な価格で提供できる。 In the second embodiment, the same waterproof pan 1 for a washing machine as in the first embodiment for underfloor piping can be used, and the above-floor piping can be used. Since the waterproof pan 1 for a washing machine for underfloor piping and the waterproof pan 1 for a washing machine for on-floor piping can be shared by the same waterproof pan 1 for a washing machine, the waterproof pan 1 for a washing machine corresponding to the above-floor piping can be used under the floor. It can be provided at the same low price as the waterproof pan 1 for washing machines that supports piping.

本発明の実施例は以上のようであるが、本発明は上記実施例に限定される物ではなく、要旨を変更しない範囲において自由に変更が可能である。
例えば、上記実施例では、洗濯機用防水パン１は平面視略長方形形状に構成されてなるが、本発明は上記実施例に限定されるものでは無く、平面視略正方形形状など、必要に応じて円形や略多角形形状に構成しても良い。
また略長方形形状の場合、上記実施例のように、短辺にのみ配管カバー部６を延出し、対応する切出溝７ａを設けるのではなく、長辺のみ、または短辺と長辺の両方にそれぞれ配管カバー部６を延出し、それに対応する切溝部を設けるようにしてもよい。
また、上記実施例では、外壁部３ｂに切出溝７ａを設け、この切出溝７ａに沿って外壁部３ｂを切断することで、床下配管と床上配管の両方に対応する構造としているが、本発明は上記実施例に限定することなく、入れ子式と呼ばれる金型を採用することで、一組の金型で床下配管と床上配管の両方に対応した洗濯機用防水パン１を製造することができる。
入れ子式金型とは、金型の一部分だけを交換可能とした金型であり、本発明の場合、上記切欠部７ｂの周辺部分について、切欠部７ｂのある金型と切欠部７ｂの無い金型の２種類を用意し、必要に応じて交換することで、一組の金型で、切欠部７ｂのある床上配管用の洗濯機用防水パン１と、切欠部７ｂの無い床下配管用の洗濯機用防水パン１をそれぞれ生産することができる。入れ子式金型とすることによる金型代のコストアップはわずかであるから、この入れ子式金型の場合でも、床上配管に対応した洗濯機用防水パン１を、床下配管に対応した洗濯機用防水パン１と同じ程度の安価な価格で提供できる。
また、上記第一実施例においてはパン排水配管Ｐは単なる排水の流路のみ形成してなるが、必要に応じ、下流側からの臭気や害虫類の屋内側への侵入を防止する排水トラップを流路上に設けて、臭気や害虫類の屋内側への侵入を防止するようにしてもよい。 Examples of the present invention are as described above, but the present invention is not limited to the above examples, and can be freely changed without changing the gist.
For example, in the above embodiment, the waterproof pan 1 for a washing machine is configured to have a substantially rectangular shape in a plan view, but the present invention is not limited to the above embodiment and may have a substantially square shape in a plan view. It may be formed in a circular shape or a substantially polygonal shape.
Further, in the case of a substantially rectangular shape, the piping cover portion 6 is not extended only on the short side and the corresponding cutout groove 7a is provided as in the above embodiment, but only the long side or both the short side and the long side. The pipe cover portion 6 may be extended to each of the pipes, and a corresponding cut groove portion may be provided.
Further, in the above embodiment, the cutout groove 7a is provided in the outer wall portion 3b, and the outer wall portion 3b is cut along the cutout groove 7a so that the structure corresponds to both the underfloor piping and the above-floor piping. The present invention is not limited to the above embodiment, and by adopting a mold called a nested type, a waterproof pan 1 for a washing machine corresponding to both underfloor piping and above-floor piping can be manufactured with a set of molds. Can be done.
The nested mold is a mold in which only a part of the mold can be replaced. In the case of the present invention, the mold having the cutout portion 7b and the mold having no cutout portion 7b have the peripheral portion of the cutout portion 7b. By preparing two types of molds and exchanging them as needed, one set of molds can be used for washing machine waterproof pan 1 for floor piping with a notch 7b and for underfloor piping without a notch 7b. Each waterproof pan 1 for a washing machine can be produced. Since the cost increase of the mold cost by using the nested mold is small, even in the case of this nested mold, the waterproof pan 1 for the washing machine corresponding to the above-floor piping is used for the washing machine corresponding to the underfloor piping. It can be provided at the same low price as the waterproof pan 1.
Further, in the first embodiment, the pan drainage pipe P is formed only as a drainage flow path, but if necessary, a drainage trap for preventing odors and pests from entering the indoor side from the downstream side is provided. It may be provided on the flow path to prevent odors and pests from entering the indoor side.

１洗濯機用防水パン２底壁部
３側壁部３ａ内壁部
３ｂ外壁部４接続筒部
４ａ鍔部４ｂ取付口
５配管接続部６配管カバー部
７ａ切出溝７ｂ切欠部
８接続部材８ａフランジ部
８ｂ接続部９継手部材
９ａ受入部１０逆流防止弁部材
１０ａ弁部材接続部１０ｂ弁部材挿入部
１０ｃ排水口１０ｄ逆流防止弁
１１洗濯機排水配管１１ａホース管
１１ｂエルボ部材ＢＨ貫通孔
ＢＷ浴室の壁面ＥＰ１既設の配管
ＥＰ２既設の排水配管Ｆ床面
ＦＯ床面の開口ＦＰ縦配管
Ｐパン排水配管ＰＳソケット部
Ｓ洗濯機 1 Waterproof pan for washing machine 2 Bottom wall part 3 Side wall part 3a Inner wall part 3b Outer wall part 4 Connection cylinder part 4a Flange part 4b Mounting port 5 Piping connection part 6 Piping cover part 7a Cutout groove 7b Notch part 8 Connection member 8a Flange part 8b Connection part 9 Joint member 9a Receiving part 10 Backflow prevention valve member 10a Valve member connection part 10b Valve member insertion part 10c Drainage port 10d Backflow prevention valve 11 Washing machine drainage pipe 11a Hose pipe 11b Elbow member BH Through hole BW Bathroom wall surface EP1 Existing piping EP2 Existing drainage piping F Floor surface FO Floor surface opening FP Vertical piping P Pan drainage piping PS Socket part S Washing machine

Claims

A waterproof pan for a washing machine for treating the wastewater of the washing machine S.
Bottom wall part 2 and
A side wall portion 3 provided around the bottom wall portion 2 and
A connection cylinder portion 4 extending upward from the bottom wall portion 2 is provided.
A piping cover portion 6 is provided from the side surface of the connecting cylinder portion 4 to the side wall portion 3 .
The bottom wall portion 2 for connecting the washing machine drainage pipe 11, which is a pipe from the washing machine S, to the pipe on the back side of the bottom wall portion 2 or the pipe below the pipe cover portion 6 at the upper end of the connection cylinder portion 4. Piping connection part 5 provided at a higher position than
A waterproof pan for washing machines, which is characterized by being composed of.

In the above waterproof pan for washing machines
The pan drainage pipe P, which is a pipe extending from the pipe connection portion 5 to the downstream side, extends from the side wall portion 3 of the waterproof pan 1 for the washing machine to the outside of the waterproof pan 1 for the washing machine so as to be covered by the pipe cover portion 6. The waterproof pan for a washing machine according to claim 1, wherein the waterproof pan is configured to be put out.

In the above waterproof pan for washing machines
Equipped with a vertical pipe FP extending from the underfloor pipe to the floor surface F,
The pipe on the back side of the bottom wall portion 2 includes a vertical pipe FP extending from the underfloor pipe onto the floor surface F.
A pipe connection portion 5 for connecting the washing machine drainage pipe 11 which is a pipe from the washing machine S to the vertical pipe FP in the space behind the waterproof pan 1 for the washing machine.
The waterproof pan for a washing machine according to claim 1, wherein the pan is made of.

In the above waterproof pan for washing machines
The waterproof pan for a washing machine according to any one of claims 1 to 3, wherein the drainage pipe of the washing machine S is configured to cause a siphon effect to drain water.

In the above waterproof pan for washing machines
A drainage port 10c that communicates with the pan drainage pipe P is provided.
At the drainage port 10c,
The drainage in the waterproof pan 1 for the washing machine can be discharged to the pan drainage pipe P side, and
The invention according to any one of claims 1 to 3, wherein a check valve 10d for preventing the drainage from the pan drainage pipe P from flowing back into the waterproof pan 1 for a washing machine is provided. Waterproof pan for washing machine.