JP7078987B2 - Drain drain pipe of air conditioner - Google Patents

Drain drain pipe of air conditioner Download PDF

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JP7078987B2
JP7078987B2 JP2018131854A JP2018131854A JP7078987B2 JP 7078987 B2 JP7078987 B2 JP 7078987B2 JP 2018131854 A JP2018131854 A JP 2018131854A JP 2018131854 A JP2018131854 A JP 2018131854A JP 7078987 B2 JP7078987 B2 JP 7078987B2
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straight pipe
drain
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flexible hose
opening
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清治 永吉
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エバック株式会社
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Description

本発明は、建物の外壁面等に沿って配設され、その上端を室内の空調機に接続して空調機から生じるドレンを室外に排出するためのドレン排水管に関する。 The present invention relates to a drain drain pipe which is arranged along the outer wall surface of a building and whose upper end is connected to an indoor air conditioner to drain the drain generated from the air conditioner to the outside.

従来から、空調機を使用することによって発生するドレンを空調機側から屋外の排水溝等にまで導いて排出ための排水管としては、特許文献1に記載されているように、低密度ポリエチレン等からなる長尺の軟質合成樹脂管より形成されたものが使用されている。 Conventionally, as a drainage pipe for guiding drainage generated by using an air conditioner from the air conditioner side to an outdoor drainage ditch or the like and discharging it, as described in Patent Document 1, low density polyethylene or the like is used. The one formed from a long soft synthetic resin pipe made of is used.

具体的には、上記長尺の軟質合成樹脂管には、50cm或いは1mの長さ間隔毎に、内外周面が平滑な接続口形成用管部が設けられてあり、施工現場において管端から施工長さに相当する部分に存在する上記接続口用管部をその長さ方向の中央部からカッタによって分断することにより一定長さの排水管を得、この排水管における上記接続口用管部を二分割することによって形成された接続口部を空調機側に接続することによって施工されている。 Specifically, the long soft synthetic resin pipe is provided with a pipe portion for forming a connection port having a smooth inner and outer peripheral surface at intervals of 50 cm or 1 m, and is provided from the pipe end at the construction site. A drain pipe of a certain length is obtained by dividing the connection port pipe portion existing in the portion corresponding to the construction length from the central portion in the length direction by a cutter, and the connection port pipe portion in this drain pipe is obtained. It is constructed by connecting the connection port formed by dividing the above into two parts to the air conditioner side.

なお、一定長さ毎に切断することによって所定長さの排水管を得ることができる上記長尺の軟質合成樹脂管は通常、数十メートル、例えば、50メートルもの長さを有し、巻回された状態にして収納箱に収納されている。 The long soft synthetic resin pipe, which can be cut at regular lengths to obtain a drainage pipe of a predetermined length, usually has a length of several tens of meters, for example, 50 meters, and is wound. It is stored in a storage box in a closed state.

特開2003-113964号公報Japanese Patent Application Laid-Open No. 2003-113964

しかしながら、上記特許文献1に記載の排水管を形成するための長尺軟質合成樹脂管は上述したように、巻回状態にして収納箱内に収納されているため、施工現場への運搬や取扱性に難点を有するばかりでなく、施工現場において、収納箱から長尺の軟質合成樹管を所定長さだけ引き出して施工長さを有する上記排水管に切断する作業を必要とし、施工に手間を要するといった問題点があった。 However, as described above, the long soft synthetic resin pipe for forming the drainage pipe described in Patent Document 1 is stored in the storage box in a wound state, and therefore is transported and handled at the construction site. Not only is it difficult to perform, but at the construction site, it is necessary to pull out a long soft synthetic tree pipe from the storage box by a predetermined length and cut it into the drainage pipe having the construction length, which is troublesome for construction. There was a problem that it was necessary.

さらに、収納箱内に収納されている上記長尺軟質合成樹脂管は、巻き癖がついているために、この長尺軟質合成樹脂管を所定長さ、切断することによって得られた上記排水管は湾曲した形態となっていて施工した際に外観を損することなり、空調機から建物の外壁に沿って下方に垂下する排水管をカバーを使用して真っ直ぐに施工する作業を行う場合においても、手間を要するといった問題点があった。 Further, since the long soft synthetic resin pipe stored in the storage box has a curl, the drainage pipe obtained by cutting the long soft synthetic resin pipe to a predetermined length can be used. Since it has a curved shape, it will spoil the appearance when it is constructed, and it is troublesome even when the drainage pipe that hangs down from the air conditioner along the outer wall of the building is constructed straight using the cover. There was a problem that it required.

本発明はこのような問題点に鑑みてなされたもので、その目的とするところは、運搬や取扱いが容易であるばかりでなく、施工現場において切断などの作業を必要とすることなく簡単且つ精度よく施工することができ、優れた外観を呈する空調機のドレン排水管を提供するにある。 The present invention has been made in view of such problems, and an object thereof is not only easy to transport and handle, but also simple and accurate without requiring work such as cutting at a construction site. It is to provide drainage pipes for air conditioners that are well constructed and have an excellent appearance.

上記目的を達成するために本発明の空調機のドレン排水管は、請求項1に記載したように、一端開口部を空調機のドレン導出口側に接続するための接続口部に形成していると共に他端開口部を引出口部に形成している合成樹脂製の直管と、この直管内に上記引出口部から引き出し可能に収納された合成樹脂製の可撓ホースとからなり、この可撓ホースの一端開口部を上記直管の他端部に形成している引出口部の内周面に抜け止め状態に係止する大径口部に形成していると共に他端開口部を排水口部に形成してあり、この可撓ホースを上記直管の引出口部から引き出した際の直管の一端から可撓ホースの排水口部までの長さが施工すべき長さとなるように形成していることを特徴とする。 In order to achieve the above object, the drain drain pipe of the air conditioner of the present invention is formed in a connection port portion for connecting one end opening to the drain outlet side of the air conditioner, as described in claim 1. It is composed of a straight pipe made of synthetic resin having an opening at the other end formed in the outlet portion and a flexible hose made of synthetic resin housed in the straight pipe so as to be able to be pulled out from the outlet portion. One end opening of the flexible hose is formed on the inner peripheral surface of the outlet portion formed on the other end of the straight pipe to have a large diameter opening that locks in a retaining state, and the other end opening is formed. It is formed in the drainage port so that the length from one end of the straight pipe to the drainage port of the flexible hose when the flexible hose is pulled out from the outlet of the straight pipe is the length to be constructed. It is characterized by being formed in.

このように構成した断熱ホースにおいて、請求項2に係る発明は、接続口を設けている直管の一端部において、接続口の基端に連なる管部を可撓管部に形成していることを特徴とする。 In the heat insulating hose configured as described above, the invention according to claim 2 is that at one end of a straight pipe provided with a connection port, a pipe portion connected to the base end of the connection port is formed in a flexible pipe portion. It is characterized by.

請求項3に係る発明は、合成樹脂製の外側直管と、この外側直管内に引出し可能に収納された合成樹脂製の内側直管と、この内側直管内に引出し可能に収納された合成樹脂製の可撓ホースとからなる空調機のドレン排水管であって、上記外側直管は一端開口部を空調機のドレン導出口側に接続するための接続口部に形成していると共に他端開口部を上記内側直管の引出口部に形成してあり、内側直管は一端開口部を上記外側直管の他端に設けている上記引出口部の内面に抜け止め状態に係止する大径口部に形成していると共に他端開口部を上記可撓ホースの引出口部に形成してあり、さらに、上記可撓ホースは一端開口部を上記内側直管の他端に設けている上記引出口部の内面に抜け止め状態に係止する大径口部に形成していると共に他端開口部を排水口部に形成していることを特徴とする。 The invention according to claim 3 is an outer straight pipe made of synthetic resin, an inner straight pipe made of synthetic resin which is retractably housed in the outer straight pipe, and a synthetic resin which is retractably stored in the inner straight pipe. A drain drain pipe for an air conditioner made of a flexible hose made of a flexible hose. An opening is formed in the outlet portion of the inner straight pipe, and the inner straight pipe locks one end of the opening to the inner surface of the outlet provided at the other end of the outer straight pipe in a retaining state. It is formed in the large-diameter opening portion and the other end opening is formed in the outlet portion of the flexible hose, and further, the flexible hose is provided with one end opening at the other end of the inner straight pipe. It is characterized in that it is formed on the inner surface of the above-mentioned outlet portion in a large-diameter opening portion that is locked in a retaining state, and the other end opening portion is formed in the drainage port portion.

このように構成した断熱ホースにおいて、請求項4に係る発明は、接続口部を設けている外側直管の一端部において、接続口部の基端に連なる管部を可撓管部に形成していることを特徴とする。 In the heat insulating hose configured as described above, the invention according to claim 4 forms a flexible pipe portion connected to the base end of the connection port portion at one end portion of the outer straight pipe provided with the connection port portion. It is characterized by being.

請求項5に係る発明は、合成樹脂製の直管と、この直管の一半部内に引出し可能に収納された合成樹脂製の第一可撓ホースと、上記直管の他半部内に引出し可能に収納された合成樹脂製の第二可撓ホースとからなる空調機のドレン排水管であって、上記直管はその一端開口部を上記第一可撓ホースの引出口部に形成し、他端開口部を上記第二可撓ホースの引出口部に形成してあり、上記第一可撓ホースはその一端開口部を空調機のドレン導出口側に接続するための接続口部に形成し、他端開口部を上記直管の一端側の引出口部に抜け止め状態に係止する大径口部に形成してあり、さらに、上記第二可撓ホースは、その一端開口部を上記直管の他端側の引出口部に抜け止め状態に係止する大径係止部に形成し、他端開口部を排水口部に形成していることを特徴とする。 The invention according to claim 5 is a straight pipe made of synthetic resin, a first flexible hose made of synthetic resin that is retractably housed in one half of the straight pipe, and can be pulled out into the other half of the straight pipe. It is a drain drain pipe of an air conditioner composed of a second flexible hose made of synthetic resin housed in, and the straight pipe has an opening at one end formed at the outlet of the first flexible hose. The end opening is formed at the outlet of the second flexible hose, and the first flexible hose is formed at the connection port for connecting the one end opening to the drain outlet side of the air conditioner. The other end opening is formed in a large-diameter opening that locks to the outlet on one end side of the straight pipe in a retaining state, and the second flexible hose has the opening at one end. It is characterized in that it is formed in a large-diameter locking portion that locks in a retaining state at the outlet portion on the other end side of the straight pipe, and the other end opening portion is formed in the drain port portion.

請求項6に係る発明は、合成樹脂製の外側直管と、この外側直管内に引出し可能に収納された合成樹脂製の内側直管と、この内側直管の一半部内に引出し可能に収納された合成樹脂製の第一可撓ホースと、上記内側直管の他半部内に引出し可能に収納された合成樹脂製の第二可撓ホースとからなる空調機のドレン排水管であって、上記外側直管はその一端開口部を上記第一可撓ホースの引出口部に形成し、他端開口部を上記内側直管の引出口部に形成してあり、上記内側直管はその一端開口部を上記外側直管の他端開口部に形成している引出口部の内周面に抜け止め状態に係止する大径口部に形成し、他端開口部を上記第二可撓ホースの引出口部に形成してあり、さらに、上記第一可撓ホースはその一端開口部を空調機のドレン導出口側に接続するための接続口部に形成し、他端開口部を上記外側直管の一端開口部に形成している引出口部の内周面に抜け止め状態に係止する大径口部に形成し、上記第二可撓ホースはその一端開口部を上記内側直管の他端開口部に形成している引出口部の内周面に抜け止め状態に係止する大径口部に形成し、他端開口部を排水口部に形成していることを特徴とする。 The invention according to claim 6 is a synthetic resin outer straight pipe, a synthetic resin inner straight pipe retractably housed in the outer straight pipe, and a drawable inner half portion of the inner straight pipe. A drain drain hose of an air conditioner including a first flexible hose made of synthetic resin and a second flexible hose made of synthetic resin that is retractably housed in the other half of the inner straight pipe. The outer straight pipe has one end opening formed at the outlet portion of the first flexible hose, the other end opening formed at the outlet portion of the inner straight pipe, and the inner straight pipe has one end opening thereof. A portion is formed in a large-diameter opening portion that locks in a retaining state on the inner peripheral surface of the outlet portion formed in the other end opening portion of the outer straight pipe, and the other end opening portion is formed in the second flexible hose. The first flexible hose is formed at the outlet portion of the above, and the opening at one end thereof is formed at the connection opening portion for connecting the drain outlet side of the air conditioner, and the opening at the other end is formed at the outside. The second flexible hose is formed in a large-diameter opening that locks in a retaining state on the inner peripheral surface of the outlet portion formed in one end opening of the straight pipe, and the one end opening of the second flexible hose is the inner straight pipe. It is characterized in that it is formed in a large-diameter opening that locks in a retaining state on the inner peripheral surface of the outlet formed in the other end opening, and the other end opening is formed in the drainage port. do.

請求項1に係る発明によれば、空調機のドレン排水管は、一端開口部を空調機のドレン導出口側に接続するための接続口部に形成していると共に他端開口部を引出口部に形成している合成樹脂製の直管と、この直管内に引き出し可能に収納され、一端開口部を上記直管の他端に設けている引出口部の内周面に係止する大径口部に形成し、他端開口部を排水口部に形成した合成樹脂製の可撓ホースとからなるので、施工前においては、可撓ホースを収納している直管を複数本、束ねた状態にして整然と保管しておくことができるのは勿論、施工する際には、施工現場までの運搬が手軽に行うことができると共に施工現場における取扱いが容易となる。 According to the invention according to claim 1, the drain drain pipe of the air conditioner is formed in a connection port for connecting one end to the drain outlet side of the air conditioner, and the other end opening is an outlet. A large straight pipe made of synthetic resin formed in the portion and a large one that is retractably housed in the straight pipe and one end of which is locked to the inner peripheral surface of the outlet portion provided at the other end of the straight pipe. Since it consists of a flexible hose made of synthetic resin formed in the diameter opening and the other end opening formed in the drainage port, before construction, multiple straight pipes containing the flexible hose are bundled. Not only can it be stored in a neat state, but it can also be easily transported to the construction site during construction, and it can be easily handled at the construction site.

さらに、施工する際には、直管を把持してその一端に設けている接続口部を上向きにし、室内に空調機を配設している建物の外壁面等に沿わせながら上記接続口部を空調機のドレン導出口側に接続する排水管施工作業が短時間で簡単に行うことができると共に、直管内に収納している可撓ホースを直管における下方に向けている引出口部から引き出してその大径口部を直管の下方に向けている引出口部の内周面に係止させることによって直管の下端から可撓ホースが真っ直ぐに垂下した外観的に優れた排水管を施工することができ、その上、直管から垂下した可撓ホースの下端部を適宜に屈曲させて排水溝等に簡単に配管することができる。 Further, at the time of construction, the straight pipe is grasped and the connection port provided at one end thereof is turned upward, and the connection port is made along the outer wall surface of the building where the air conditioner is arranged in the room. The drainage pipe can be easily installed in a short time by connecting the hose to the drain outlet side of the air conditioner, and the flexible hose stored in the straight pipe is directed downward from the outlet of the straight pipe. By pulling out and locking the large-diameter part to the inner peripheral surface of the outlet part facing downward of the straight pipe, a flexible hose hangs straight down from the lower end of the straight pipe to create a drainage pipe with excellent appearance. It can be installed, and moreover, the lower end of the flexible hose hanging from the straight pipe can be appropriately bent so that it can be easily piped to a drainage ditch or the like.

また、請求項2に記載したように、直管の一端部に設けた接続口部の基端に連なる管部を可撓管部に形成しておくことによって、空調機のドレン導出口の位置に対して建物の外壁面に沿って配管すべき上記直管の接続口部が左右方向にズレていても、或いは,上記ドレン導出口がこのドレン導出口を外部に導出するための空調機の背面側の建物壁体部に貫設した貫通孔内に位置していても、直管の上記可撓管部を撓ませてその接続口部を簡単に且つ精度よく上記ドレン導出口に接続することができる。 Further, as described in claim 2, by forming a pipe portion connected to the base end of the connection port portion provided at one end of the straight pipe in the flexible pipe portion, the position of the drain outlet of the air conditioner Even if the connection port of the straight pipe that should be piped along the outer wall surface of the building is displaced in the left-right direction, or the drain outlet port of the air conditioner for leading this drain outlet port to the outside. Even if it is located in the through hole that penetrates the building wall on the back side, the flexible pipe portion of the straight pipe is bent and the connection port is easily and accurately connected to the drain outlet. be able to.

請求項3に記載のドレン排水管によれば、施工前には外側直管内に内側直管を収納し、内側直管内に可撓ホースを収納した状態にして上記請求項1に記載したドレン排水管と同様に、複数本束ねた状態にして整然と保管しておくことができると共に、施工時には施工現場までの運搬や施工現場における取扱いが容易となる。 According to the drain drainage pipe according to claim 3, the inner straight pipe is housed in the outer straight pipe before construction, and the flexible hose is housed in the inner straight pipe, and the drain drainage according to claim 1 is described above. Similar to pipes, a plurality of pipes can be bundled and stored in an orderly manner, and at the time of construction, it can be easily transported to the construction site and handled at the construction site.

さらに、施工時には、外側直管の一端に設けている接続口部を上向きにし、室内に空調機を配設している建物の外壁面等に沿わせながら上記接続口部を空調機のドレン導出口側に接続すると共に外側直管内から可撓ホースと内側直管を下方に引き出して内側直管の大径口部を外側直管の下側に向けている引出口の内周面に係止させ、可撓ホースの大径口部を内側直管の下側に向けている引出口の内周面に係止させることによってドレン排水管が伸長し、空調機内のドレンを建物外に排出することができる排水管を短時間の施工作業でもって簡単に且つ見栄えよく施工することができる。 Furthermore, at the time of construction, the connection port provided at one end of the outer straight pipe is turned upward, and the connection port is guided to the drain of the air conditioner while being along the outer wall surface of the building where the air conditioner is arranged in the room. Connect to the outlet side and pull out the flexible hose and the inner straight pipe downward from the inside of the outer straight pipe and lock the large diameter part of the inner straight pipe to the inner peripheral surface of the outlet facing the lower side of the outer straight pipe. By locking the large diameter opening of the flexible hose to the inner peripheral surface of the outlet facing the lower side of the inner straight pipe, the drain drain pipe extends and the drain inside the air conditioner is discharged to the outside of the building. It is possible to easily and good-looking the drainage pipe that can be constructed in a short time.

また、請求項4に係る発明のように、接続口部を設けている外側直管の一端部における接続口部の基端に連なる管部を可撓管部に形成しておくことによって、空調機のドレン導出口の位置に対して建物の外壁面に沿って配管すべき上記直管の接続口部が左右方向にズレていても、或いは,上記ドレン導出口がこのドレン導出口を外部に導出するための空調機の背面側の建物壁体部に貫設した貫通孔内に位置していても、直管の上記可撓管部を撓ませてその接続口部を簡単に且つ精度よく上記ドレン導出口に接続することができる。 Further, as in the invention of claim 4, the flexible pipe portion is formed with a pipe portion connected to the base end of the connection port portion at one end portion of the outer straight pipe provided with the connection port portion to provide air conditioning. Even if the connection port of the straight pipe that should be piped along the outer wall surface of the building is displaced in the left-right direction with respect to the position of the drain outlet of the machine, or the drain outlet is the drain outlet to the outside. Even if it is located in the through hole that penetrates the building wall on the back side of the air conditioner for derivation, the flexible pipe part of the straight pipe is bent to easily and accurately connect the connection port part. It can be connected to the drain outlet.

請求項5に係る発明によれば、施工前には直管の一半部内と他半部内に第一可撓ホースと第二可撓ホースをそれぞれ収納した状態にしておくことによって取扱が容易な長さとなり、複数本束ねた状態にして整然と保管しておくことができると共に、施工時には施工現場までの運搬等が容易となる。 According to the invention of claim 5, the length is easy to handle by storing the first flexible hose and the second flexible hose in one half and the other half of the straight pipe before construction. As a result, it is possible to bundle multiple pieces and store them in an orderly manner, and at the time of construction, it is easy to transport them to the construction site.

さらに、施工時には、直管の一端側の引出口部から第一可撓ホースを引き出してこの第一可撓ホースの一端に設けている接続口部を上向きにし、室内に空調機を配設している建物の外壁面等に沿わせながら上記接続口部を空調機のドレン導出口側に接続すると共に直管の上記上側に向けている引出口部の内周面に上記第一可撓ホースの下側に向けている大径口部を係止させ、直管の下側に向けている引出口部から第二可撓ホースを引き出してその大径口部を上記下側に向けている引出口部の内周面に係止させることによってドレン排水管が全長に亘って伸長して、空調機内のドレンを建物外に排出することができる真っ直ぐな外観的にも優れた排水管を短時間の施工作業でもって簡単に施工することができ、また、第二可撓ホースの下端部を適宜に屈曲させてその排水口部を排水溝等に簡単に配管することができる。 Further, at the time of construction, the first flexible hose is pulled out from the outlet on one end side of the straight pipe, the connection port provided at one end of the first flexible hose is turned upward, and an air conditioner is arranged in the room. The first flexible hose is connected to the drain outlet side of the air conditioner along the outer wall surface of the building, and on the inner peripheral surface of the outlet portion facing the upper side of the straight pipe. The large-diameter opening facing the lower side is locked, and the second flexible hose is pulled out from the outlet portion facing the lower side of the straight pipe, and the large-diameter opening portion is directed toward the lower side. By locking it to the inner peripheral surface of the outlet, the drain drain pipe extends over the entire length, and the drain pipe inside the air conditioner can be drained to the outside of the building. It can be easily constructed with time-consuming construction work, and the lower end portion of the second flexible hose can be appropriately bent so that the drain port portion can be easily piped to a drain groove or the like.

その上、直管から上方に引き出した第一可撓ホースの上端接続口部を空調機のドレン導出口に接続するように構成しているので、空調機のドレン導出口の位置に対して接続口部が左右方向にズレていても、或いは,上記ドレン導出口がこのドレン導出口を外部に導出するための空調機の背面側の建物壁体部に貫設した貫通孔内に位置していても、第一可撓ホースの上端部を撓ませてその接続口部を簡単に且つ精度よく上記ドレン導出口に接続することができる。 In addition, since the upper end connection port of the first flexible hose drawn upward from the straight pipe is configured to be connected to the drain outlet of the air conditioner, it is connected to the position of the drain outlet of the air conditioner. Even if the mouth is displaced in the left-right direction, or the drain outlet is located in the through hole that penetrates the building wall on the back side of the air conditioner for leading the drain outlet to the outside. However, the upper end of the first flexible hose can be bent to easily and accurately connect the connection port to the drain outlet.

請求項6に係る発明によれば、施工前には外側直管内に内側直管を収納し、内側直管の一半部内と他半部内に第一可撓ホースと第二可撓ホースをそれぞれ収納した状態にしておくことによって取扱が容易な長さとなり、複数本束ねた状態にして整然と保管しておくことができると共に、施工時には施工現場までの運搬等が容易となる。 According to the invention of claim 6, the inner straight pipe is housed in the outer straight pipe before construction, and the first flexible hose and the second flexible hose are housed in one half and the other half of the inner straight pipe, respectively. The length of the hose is easy to handle, and it is possible to store a plurality of bundles in an orderly manner, and it is easy to transport the hose to the construction site at the time of construction.

さらに、施工時には、外側直管の一端側の引出口部から第一可撓ホースを引き出してこの第一可撓ホースの一端に設けている接続口部を上向きにし、室内に空調機を配設している建物の外壁面等に沿わせながら上記接続口部を空調機のドレン導出口側に接続すると共に外側直管の上記上側に向けている引出口部の内周面に上記第一可撓ホースの下側に向けている大径口部を係止させ、さらに、外側直管の下側に向けている引出口部から内側直管を引き出してその大径口部を外側直管の下側に向けている上記引出口部の内周面に係止させると共に、内側直管から第二可撓ホースを引き出してその大径口部を内側直管の下側に向けている引出口部の内周面に係止させることによってドレン排水管が全長に亘って伸長し、空調機内のドレンを建物外に排出することができる真っ直ぐな外観的にも優れた排水管を短時間の施工作業でもって簡単に施工することができる。 Further, at the time of construction, the first flexible hose is pulled out from the outlet on one end side of the outer straight pipe, the connection port provided at one end of the first flexible hose is turned upward, and the air conditioner is arranged in the room. The first possible connection is to connect the connection port to the drain outlet side of the air conditioner along the outer wall surface of the building, and to the inner peripheral surface of the outlet facing the upper side of the outer straight pipe. The large-diameter opening facing the lower side of the flexible hose is locked, and the inner straight pipe is pulled out from the outlet facing the lower side of the outer straight pipe, and the large-diameter portion is used as the outer straight pipe. The outlet is locked to the inner peripheral surface of the outlet facing downward, and the second flexible hose is pulled out from the inner straight pipe so that the large-diameter hose is directed to the lower side of the inner straight pipe. By locking it to the inner peripheral surface of the part, the drain drain pipe extends over the entire length, and a straight drain pipe with excellent appearance that can drain the drain inside the air conditioner to the outside of the building is installed in a short time. It can be easily installed by work.

その上、内側直管から垂下している上記第二可撓ホースの下端部を適宜に屈曲させてその排水口部を排水溝等に簡単に配管することができる。 Moreover, the lower end portion of the second flexible hose hanging from the inner straight pipe can be appropriately bent so that the drainage port portion can be easily piped to a drainage ditch or the like.

また、外側直管から上方に引き出した第一可撓ホースの上端接続口部を空調機のドレン導出口に接続するように構成しているので、空調機のドレン導出口の位置に対して接続口部が左右方向にズレていても、或いは,上記ドレン導出口がこのドレン導出口を外部に導出するための空調機の背面側の建物壁体部に貫設した貫通孔内に位置していても、第一可撓ホースの上端部を撓ませてその接続口部を簡単に且つ精度よく上記ドレン導出口に接続することができる。 In addition, since the upper end connection port of the first flexible hose drawn upward from the outer straight pipe is configured to be connected to the drain outlet of the air conditioner, it is connected to the position of the drain outlet of the air conditioner. Even if the mouth is displaced in the left-right direction, or the drain outlet is located in the through hole that penetrates the building wall on the back side of the air conditioner for leading the drain outlet to the outside. However, the upper end of the first flexible hose can be bent to easily and accurately connect the connection port to the drain outlet.

直管内に可撓ホースを収納した状態の本発明ドレン排水管の一部を切除した縦断側面図。Longitudinal side view of a part of the drain drainage pipe of the present invention in a state where a flexible hose is housed in a straight pipe. 直管内から可撓ホースを引き出した状態の一部を省略した縦断側面図。Longitudinal side view with a part of the flexible hose pulled out from the straight pipe omitted. 施工状態を示す簡略側面図。A simplified side view showing the construction state. 一端管部を可撓管部に形成した状態の一部の縦断側面図。A vertical sectional side view of a part of a state in which one end pipe portion is formed in a flexible pipe portion. 内外直管と可撓ホースとからなる本発明ドレン排水管の一部を切除した状態の縦断側面図。Longitudinal side view of the drain drainage pipe of the present invention including an inner / outer straight pipe and a flexible hose with a part cut off. 外側直管から内側直管と可撓ホースとを引き出した状態の一部を省略した縦断側面図。Longitudinal side view showing a part of the state where the inner straight pipe and the flexible hose are pulled out from the outer straight pipe. 施工状態を示す簡略側面図。A simplified side view showing the construction state. 直管内に二本の可撓ホースを収納した状態の本発明ドレン排水管の一部を切除した状態の縦断側面図。Longitudinal side view of the drain drainage pipe of the present invention in a state where two flexible hoses are housed in a straight pipe and a part thereof is cut off. 直管から二本の可撓ホースを相反する方向に引き出した状態の一部を省略した縦断側面図。Longitudinal side view showing a part of the state where two flexible hoses are pulled out from a straight pipe in opposite directions. 施工状態を示す簡略側面図。A simplified side view showing the construction state. 外側直管内に内側直管と二本の可撓ホースとを収納した状態の本発明ドレン排水管の一部を省略した縦断側面図。The vertical sectional side view which omitted a part of the drain drainage pipe of this invention in the state that the inner straight pipe and two flexible hoses are housed in the outer straight pipe. 外側直管から内側直管と二本の可撓ホースを引き出した状態の一部を省略した縦断側面図。Longitudinal side view showing a part of the state where the inner straight pipe and two flexible hoses are pulled out from the outer straight pipe. 施工状態を示す簡略側面図。A simplified side view showing the construction state.

次に、本発明の具体的な実施の形態を図面について説明すると、図1において、ドレン排水管Aは、ポリエチレン、ポリプロピレン等の合成樹脂材料からなる直管1と、この直管1と同質合成樹脂材料からなり、直管1内にこの直管1から引出し可能に収納されている可撓性を有するホース(以下、可撓ホース2とする)とから構成されている。 Next, a specific embodiment of the present invention will be described with reference to the drawings. In FIG. 1, the drain drain pipe A is a straight pipe 1 made of a synthetic resin material such as polyethylene and polypropylene, and is homologous to the straight pipe 1. It is made of a resin material and is composed of a flexible hose (hereinafter referred to as a flexible hose 2) which is housed in a straight pipe 1 so as to be retractable from the straight pipe 1.

上記直管1はその内外周面が全長に亘って平滑な面に形成されていると共に管壁の厚みを全長に亘って同一厚みに形成されてあり、さらに、一端開口部を中心に向かって縮径させて空調機Cに接続しているドレン導出用短管D(図3に示す)の先端のドレン導出口に接続するための短筒形状の接続口部3に形成していると共に、他端開口部は中心(内方)に向かって屈曲させて直管1の内径よりも小径の上記可撓ホース2の引出口部4に形成されている。 The inner peripheral surface of the straight pipe 1 is formed to be a smooth surface over the entire length, and the thickness of the pipe wall is formed to be the same over the entire length, and further, one end toward the center of the opening. It is formed in a short tube-shaped connection port 3 for connecting to the drain outlet at the tip of the drain outlet short pipe D (shown in FIG. 3) which is reduced in diameter and connected to the air conditioner C. The other end opening is formed in the outlet portion 4 of the flexible hose 2 having a diameter smaller than the inner diameter of the straight pipe 1 by bending toward the center (inward).

一方、上記可撓ホース2はコルゲート管からなり、その一端開口部を除く外径を上記直管1の他端に形成している引出口部4の開口径よりも小径に形成されている一方、一端開口部は上記直管1の引出口部4よりも大径で直管1の内径よりも小径、または、直管1の内周面にその開口端部の外周面が摺接することができる外径を有する大径口部5に形成されていて、この大径口部5の背面側の外周面を、直管1の上記引出口部4から可撓ホース2を引き出した際に引出口部4の内周面4aに抜け止め状に係止する係止面5aに形成されている。 On the other hand, the flexible hose 2 is made of a corrugated pipe, and the outer diameter excluding the opening at one end thereof is formed to be smaller than the opening diameter of the outlet portion 4 formed at the other end of the straight pipe 1. One end of the opening may have a diameter larger than that of the outlet 4 of the straight pipe 1 and a smaller diameter than the inner diameter of the straight pipe 1, or the outer peripheral surface of the opening end may be in sliding contact with the inner peripheral surface of the straight pipe 1. It is formed in a large diameter opening portion 5 having an outer diameter that can be formed, and the outer peripheral surface on the back surface side of the large diameter opening portion 5 is pulled when the flexible hose 2 is pulled out from the outlet portion 4 of the straight pipe 1. It is formed on a locking surface 5a that is locked to the inner peripheral surface 4a of the outlet portion 4 in a retaining shape.

さらに、上記可撓ホース2の一端開口部に設けている大径口部5の背面によって形成している係止面5aは、上記直管1の他端開口部に設けている上記引出口部4の内周面に全面に亘って水密状態に密着するように形成していると共に、この可撓ホース2の他端開口部は可撓ホース2のコルゲート管部よりも小径で、且つ、内外周面が平滑な面に形成された排水口部6に形成されている。 Further, the locking surface 5a formed by the back surface of the large diameter opening portion 5 provided at one end opening of the flexible hose 2 is the outlet portion provided at the other end opening of the straight pipe 1. The inner peripheral surface of 4 is formed so as to be in close contact with the watertight state over the entire surface, and the other end opening of the flexible hose 2 has a smaller diameter than the corrugated pipe portion of the flexible hose 2 and has an inner and outer diameter. The peripheral surface is formed in the drain port portion 6 formed on a smooth surface.

上記可撓ホース2の長さは、この実施例図においては、直管1の長さよりも直管1の上記接続口部3の長さに略相当する長さだけ短い長さに形成されていて可撓ホース2の上記大径口部5を直管1の接続口部3側に向け、排水口部6を引出口部4側に向けて引出口部4から外部に臨ませた状態にして直管1内に可撓ホース2を収納しているが、直管1を可撓ホース2と略同一長さにして可撓ホース2の上記排水口部6を直管1の上記引出口部4から外部に突出させた状態となるように収納しておいてもよい。 In this embodiment, the length of the flexible hose 2 is formed to be shorter than the length of the straight pipe 1 by a length substantially corresponding to the length of the connection port 3 of the straight pipe 1. The large-diameter opening portion 5 of the flexible hose 2 is directed toward the connection port portion 3 side of the straight pipe 1, and the drainage port portion 6 is directed toward the outlet portion 4 side so as to face the outside from the outlet portion 4. The flexible hose 2 is housed in the straight pipe 1, but the straight pipe 1 has substantially the same length as the flexible hose 2, and the drain port portion 6 of the flexible hose 2 is the outlet of the straight pipe 1. It may be stored so that it protrudes from the portion 4 to the outside.

なお、直管1内に収納している可撓ホース2を直管1の他端側に設けている上記引出口部4から直管1を延長する方向に引き出してその大径口部5の係止面5aを直管1の引出口部4の内周面に係止させた際におけるこの直管1と可撓ホース2とからなるドレン排水管Aの長さ、即ち、直管1の一端側に設けている接続口部3から可撓ホース2の他端側に設けている接続口部3までの長さは、図3に示すように、空調機Cのドレン導出用短管Dの先端導出口から建物Bの外壁を垂直状に伝って外壁下端側に設けている排水溝等の排水路に達するまでの施工長さ(略2メートル)に相当する長さに形成されている。 The flexible hose 2 housed in the straight pipe 1 is pulled out from the outlet portion 4 provided on the other end side of the straight pipe 1 in the direction of extending the straight pipe 1, and the large diameter portion 5 thereof. The length of the drain drain pipe A composed of the straight pipe 1 and the flexible hose 2 when the locking surface 5a is locked to the inner peripheral surface of the outlet portion 4 of the straight pipe 1, that is, the length of the straight pipe 1. As shown in FIG. 3, the length from the connection port 3 provided on one end side to the connection port 3 provided on the other end side of the flexible hose 2 is the drain outlet short pipe D of the air conditioner C. It is formed to have a length corresponding to the construction length (approximately 2 meters) from the tip outlet of the building to reach the drainage channel such as the drainage ditch provided on the lower end side of the outer wall vertically along the outer wall of the building B. ..

また、空調機Cを取付けている壁体Wには、空調機Cの背面側の壁体W部分を貫通して屋外に向かって開口した貫通孔Eが設けられてあり,空調機Cに接続して空調機Cに発生するドレンを外部に排出するための上記ドレン導出用短管Dは、上記貫通孔E内を通じてその先端導出口を建物B側に突出させている。 Further, the wall body W to which the air conditioner C is attached is provided with a through hole E that penetrates the wall body W portion on the back side of the air conditioner C and opens toward the outside, and is connected to the air conditioner C. The drain lead-out short tube D for discharging the drain generated in the air conditioner C to the outside has its tip lead-out port protruding toward the building B side through the through hole E.

上記のように構成した空調機のドレン排水管Aは、施工前においては、図1に示すように直管1内に可撓ホース2を、その大径口部5が直管1の接続口部3に連なる端部内周面に達した収納状態にして保管されている。この場合、直管1内に可撓ホース2を収納してなる排水管Aを複数本、束ねた状態にして整然と保管しておくことができる。 Before construction, the drain drain pipe A of the air conditioner configured as described above has a flexible hose 2 in the straight pipe 1 and its large diameter 5 is the connection port of the straight pipe 1 as shown in FIG. It is stored in a stored state that reaches the inner peripheral surface of the end portion connected to the portion 3. In this case, a plurality of drainage pipes A in which the flexible hose 2 is housed in the straight pipe 1 can be bundled and stored in an orderly manner.

施工に際しては、一本ないしは数本の排水管Aを施工現場まで搬送し、施工現場において、直管1を把持しながらこの直管1の一端に設けている接続口部3を上向きとなるように直管1を縦方向に向けて、この接続口部3を、建物Bの壁体Wに貫設した上記貫通孔Eに室内側から屋外に向かって挿通している空調機Cのドレン導出用短管Dのドレン導出口に嵌合等によって接続する。 At the time of construction, one or several drain pipes A are transported to the construction site, and at the construction site, the connection port 3 provided at one end of the straight pipe 1 is turned upward while grasping the straight pipe 1. The drain of the air conditioner C, in which the straight pipe 1 is directed in the vertical direction and the connection port 3 is inserted through the through hole E penetrating the wall body W of the building B from the indoor side to the outside. It is connected to the drain outlet of the short pipe D by fitting or the like.

さらに、直管1内に収納している可撓ホース2を直管1の下方に向けている引出口部4から直管1を延長する方向に下方に引き出す。この引き出し作業は、図2に示すように、可撓ホース2の一端側(図3においては上端側)に設けている大径口部5の係止面5aが直管1の他端側(図3においては下端側)に設けている引出口部4の内周面に抜け止め状態に係止するまで行われる。 Further, the flexible hose 2 housed in the straight pipe 1 is pulled downward from the outlet portion 4 facing the lower side of the straight pipe 1 in the direction of extending the straight pipe 1. In this withdrawal work, as shown in FIG. 2, the locking surface 5a of the large diameter opening portion 5 provided on one end side (upper end side in FIG. 3) of the flexible hose 2 is the other end side of the straight pipe 1 ( In FIG. 3, it is performed until it is locked to the inner peripheral surface of the outlet portion 4 provided on the lower end side) in a retaining state.

このようにドレン排水管Aを全長に亘って伸長させてドレン排水管Aが空調機Cのドレン導出口側から建物の外壁面に沿って外壁面の下端にまで真っ直ぐに垂下した状態で施工され、直管1の下端から連続している可撓ホース2の下端部を適宜に屈曲させて排水溝等の排水路にその先端部の排水口部6を臨ませた状態に配管することによってドレン排水管Aの施工工事が完了する。なお、直管1からの可撓ホース2の引き出しは、直管1の接続口部3を空調機Bのドレン排出用短管Cに接続する前に行っておいてもよい。 In this way, the drain drainage pipe A is extended over the entire length, and the drainage pipe A is constructed in a state of hanging straight from the drain outlet side of the air conditioner C to the lower end of the outer wall surface along the outer wall surface of the building. Drain by appropriately bending the lower end of the flexible hose 2 continuous from the lower end of the straight pipe 1 so that the drainage port 6 at the tip thereof faces a drainage channel such as a drainage ditch. Construction work for drainage pipe A is completed. The flexible hose 2 may be pulled out from the straight pipe 1 before the connection port 3 of the straight pipe 1 is connected to the drain discharge short pipe C of the air conditioner B.

このように施工されたドレン排水管Aによれば、空調機Cから排出されるドレンは、ドレン排出用短管D内を通じてこのドレン排出用短管Dの排出口に接続している直管1の接続口部3内に流出し、さらに、この接続口部3から直管1内を流下すると共に直管1の下端の引出口部4の内周面に水密状態に密着、係止している可撓ホース2の大径口部5内を通じてこの可撓ホース2内を流下し、可撓ホース2の下端排水口部6から排水溝等の排水路に排出される。 According to the drain drain pipe A constructed in this way, the drain discharged from the air conditioner C is a straight pipe 1 connected to the discharge port of the drain drain short pipe D through the drain discharge short pipe D. It flows out into the connection port 3 of the hose, further flows down from the connection port 3 into the straight pipe 1, and is in close contact with and locked to the inner peripheral surface of the outlet 4 at the lower end of the straight pipe 1 in a watertight state. It flows down the inside of the flexible hose 2 through the large diameter portion 5 of the flexible hose 2, and is discharged from the lower end drain port portion 6 of the flexible hose 2 to a drainage channel such as a drainage ditch.

なお、上記ドレン排水管Aにおいては、直管1の内外周面を全長に亘って平滑な面に形勢しているが、図4に示すように、直管1の一端部において、接続口部3の基端に連なる接続口部3から他端側の管部を蛇腹形状、或いは、コルゲート管壁形状の可撓管部1aに形成しておいてもよい。 In the drain drainage pipe A, the inner and outer peripheral surfaces of the straight pipe 1 are formed into a smooth surface over the entire length, but as shown in FIG. 4, the connection port portion is formed at one end of the straight pipe 1. The pipe portion on the other end side from the connection port portion 3 connected to the base end of 3 may be formed in a bellows-shaped or corrugated pipe wall-shaped flexible pipe portion 1a.

このように、直管1における接続口部3側の一端部を可撓管部1aに形成しておくと、施工時に、空調機Cのドレン導出用短管Dのドレン導出口の位置に対して建物Bの外壁面に沿って配管すべき上記直管1の接続口部3が左右方向にズレていても、或いは,上記ドレン導出用短管Dのドレン導出口が空調機Cの背面側の建物壁体部に貫設した貫通孔内にあって、外部にまで導出していない場合であっても、直管の上記可撓管部1aを撓ませてその接続口部3を簡単に且つ精度よく上記ドレン導出口側に向けてこのドレン導出口に接続することができる。 In this way, if one end of the straight pipe 1 on the connection port 3 side is formed in the flexible pipe portion 1a, the position of the drain outlet of the drain outlet short pipe D of the air conditioner C at the time of construction Even if the connection port 3 of the straight pipe 1 to be piped along the outer wall surface of the building B is displaced in the left-right direction, or the drain outlet of the short pipe D for draining is on the back side of the air conditioner C. Even if it is inside the through hole that penetrates the building wall of the building and is not led out to the outside, the flexible pipe portion 1a of the straight pipe can be flexed to easily connect the connection port portion 3. Moreover, it is possible to connect to the drain outlet port with high accuracy toward the drain outlet side.

図5~図7は上記ドレン排水管Aとは異なる構造を有する本発明の別なドレン排水管A1を示すもので、このドレン排水管A1は外側直管11a と、この外側直管11a 内に引出し可能に収納された内側直管11b と、この内側直管11b 内に引出し可能に収納された合成樹脂製の可撓ホース12とから構成されている。なお、これらの内外直管11a 、11b 及び可撓ホース12は、上記ドレン排水管Aと同質の合成樹脂材料より形成されている。 5 to 7 show another drain drain pipe A1 of the present invention having a structure different from that of the drain drain pipe A, and the drain drain pipe A1 is formed in the outer straight pipe 11a and the outer straight pipe 11a. It is composed of an inner straight pipe 11b that is retractably housed and a synthetic resin flexible hose 12 that is retractably housed in the inner straight pipe 11b. The inner and outer straight pipes 11a and 11b and the flexible hose 12 are made of a synthetic resin material of the same quality as the drain drain pipe A.

上記外側直管11a は、その内外周面が全長に亘って平滑な面に形成されていると共に管壁の厚みを全長に亘って同一厚みに形成されてあり、さらに、一端開口部を中心に向かって縮径させて空調機Cに接続しているドレン導出用短管Dの先端のドレン導出口に接続するための短筒形状の接続口部13に形成していると共に、他端開口部を中心(内方)に向かって屈曲させて上記可撓ホース2の引出口部14a に形成されている。 The outer peripheral surface of the outer straight pipe 11a is formed to be a smooth surface over the entire length, and the thickness of the pipe wall is formed to be the same over the entire length. It is formed in a short cylinder-shaped connection port 13 for connecting to the drain outlet at the tip of the drain outlet short tube D connected to the air conditioner C by reducing the diameter toward the air conditioner C, and the other end opening. Is bent toward the center (inward) to be formed at the outlet portion 14a of the flexible hose 2.

同様に、上記内側直管11b はその内外周面が全長に亘って平滑な面に形成されていると共に管壁の厚みを全長に亘って同一厚みに形成されている。この内側直管11b の外径は、上記外側直管11a の他端開口部に設けている引出口部14a から外部に引き出し可能な径に形成している。 Similarly, the inner peripheral surface of the inner straight pipe 11b is formed to be a smooth surface over the entire length, and the thickness of the pipe wall is formed to be the same over the entire length. The outer diameter of the inner straight pipe 11b is formed so that it can be pulled out from the outlet portion 14a provided at the other end opening of the outer straight pipe 11a.

さらに、この内側直管11b の一端開口部をこの開口部の少なくとも外周面を拡径させて上記外側直管11a の他端に設けている引出口部14a よりも大径の大径口部15b に形成していると共にこの大径口部15b の背面側の外周面を上記引出口部14a の内周面に抜け止め状態で且つ水密に密着、係止する係止面に形成している一方、内側直管11b の他端開口部は他端中心(内方)に向かって屈曲させていて、上記可撓ホース12の引出口部14b に形成されている。 Further, a large diameter opening portion 15b having a diameter larger than that of the outlet portion 14a provided at the other end of the outer straight pipe 11a by expanding the diameter of at least the outer peripheral surface of the one end opening of the inner straight pipe 11b. On the other hand, the outer peripheral surface of the large-diameter portion 15b on the back surface side is formed on the inner peripheral surface of the outlet portion 14a in a state of being prevented from coming off and as a locking surface that is tightly adhered and locked. The other end opening of the inner straight pipe 11b is bent toward the center (inward) of the other end, and is formed at the outlet portion 14b of the flexible hose 12.

上記可撓ホース12はコルゲート管からなり、その一端開口部を除く外径を上記内側直管11b の他端に形成している引出口部14b の開口径よりも小径に形成されている一方、一端開口部は上記内側直管11b の引出口部14b よりも大径で内側直管11b の内径よりも小径、または、内側直管11b の内周面にその開口端部の外周面が摺接することができる外径を有する大径口部15a に形成されていて、内側直管11b の上記引出口部14b から可撓ホース12を引き出した際に、この大径口部15a の背面側の外周面を引出口部14b の内周面に抜け止め状態に且つ水密に密着、係止する係止面に形成されている。 The flexible hose 12 is made of a corrugated pipe, and its outer diameter excluding the opening at one end is formed to be smaller than the opening diameter of the outlet portion 14b formed at the other end of the inner straight pipe 11b. One end opening has a larger diameter than the outlet 14b of the inner straight pipe 11b and a smaller diameter than the inner diameter of the inner straight pipe 11b, or the outer peripheral surface of the opening end slides on the inner peripheral surface of the inner straight pipe 11b. It is formed in a large diameter portion 15a having an outer diameter that can be formed, and when the flexible hose 12 is pulled out from the outlet portion 14b of the inner straight pipe 11b, the outer circumference of the large diameter portion 15a on the back side. The surface is formed as a locking surface that is tightly adhered to and locked to the inner peripheral surface of the extraction port portion 14b in a watertight state.

さらに、この可撓ホース12の他端開口部は可撓ホース12のコルゲート管部よりも小径で、且つ、内外周面が平滑な面に形成された排水口部16に形成されている。 Further, the other end opening of the flexible hose 12 is formed in a drainage port portion 16 having a smaller diameter than the corrugated pipe portion of the flexible hose 12 and having an inner and outer peripheral surface formed on a smooth surface.

上記内側直管11b の長さは、図5に示すように、この内側直管11b を外側直管11a 内にその一端大径口部15b が外側直管11a の接続口部13の背面に当接した状態となるように収納した際に、他端に設けている引出口部14b が外側直管11a の他端に設けている引出口部14a から外部に突出した状態となる長さに形成されてあり、上記可撓ホース12の長さは、この可撓ホース12を内側直管11b 内にその一端大径口部15が外側直管11a の接続口部13の背面における内周部側に近接又は当接した状態となるように収納した際に、他端に設けている排水口部16が内側直管11b の他端に設けている引出口部14b から外部に突出した状態となる長さに形成されている。 As shown in FIG. 5, the length of the inner straight pipe 11b is such that the inner straight pipe 11b is placed inside the outer straight pipe 11a, and one end of the large diameter portion 15b is applied to the back surface of the connecting port portion 13 of the outer straight pipe 11a. When stored so as to be in contact with each other, the outlet portion 14b provided at the other end is formed to have a length that protrudes outward from the outlet portion 14a provided at the other end of the outer straight pipe 11a. The length of the flexible hose 12 is such that the flexible hose 12 is placed inside the inner straight pipe 11b, and one end of the flexible hose 12 is located on the inner peripheral side of the back surface of the connecting port 13 of the outer straight pipe 11a. When stored so as to be in close contact with or in contact with the hose, the drainage port 16 provided at the other end protrudes to the outside from the outlet portion 14b provided at the other end of the inner straight pipe 11b. It is formed to a length.

なお、図6に示すように、外側直管11a から内側直管11b を引き出してその大径口部15b を外側直管11a の他端に設けている引出口部14a の内周面に係止させると共に内側直管11b から可撓ホース12を引き出してその大径口部15を内側直管11b の他端に設けている引出口部14b の内周面に係止させた際の外側直管11a の一端から可撓ホース12の他端までの長さは、上記ドレン排水管Aと同様に施工長さ(略2メートル)に相当する長さに形成されている。 As shown in FIG. 6, the inner straight pipe 11b is pulled out from the outer straight pipe 11a, and the large diameter portion 15b is locked to the inner peripheral surface of the outlet portion 14a provided at the other end of the outer straight pipe 11a. The outer straight pipe when the flexible hose 12 is pulled out from the inner straight pipe 11b and the large diameter portion 15 is locked to the inner peripheral surface of the outlet portion 14b provided at the other end of the inner straight pipe 11b. The length from one end of 11a to the other end of the flexible hose 12 is formed to be a length corresponding to the construction length (approximately 2 meters) like the drain drain pipe A.

上記のように構成した空調機のドレン排水管A1は、施工前においては、図5に示すように外側直管11a 内に内側直管11b を収納し、内側直管11b 内に可撓ホース12を収納した状態としてあり、このように構成した排水管A1は、複数本、束ねた状態にして整然と保管しておくことができる。 Before construction, the drain drain pipe A1 of the air conditioner configured as described above accommodates the inner straight pipe 11b in the outer straight pipe 11a and the flexible hose 12 in the inner straight pipe 11b as shown in FIG. The drainage pipes A1 configured in this way can be stored in a bundled state in an orderly manner.

施工に際しては、一本ないしは数本の排水管Aを施工現場まで搬送し、施工現場において、外側直管11a を把持しながらこの外側直管11a の一端に設けている接続口部13を上向きとなるように外側直管11a を縦方向に向けて、この接続口部13を、建物Bの壁体Wに貫設した貫通孔Eに室内側から屋外に向かって挿通している空調機Cのドレン導出用短管Dのドレン導出口に嵌合等によって接続する。 At the time of construction, one or several drain pipes A are transported to the construction site, and at the construction site, the connection port 13 provided at one end of the outer straight pipe 11a is pointed upward while grasping the outer straight pipe 11a. In the air conditioner C, the outer straight pipe 11a is directed in the vertical direction, and the connection port 13 is inserted through the through hole E penetrating the wall body W of the building B from the indoor side to the outside. It is connected to the drain outlet of the drain derivation short pipe D by fitting or the like.

さらに、外側直管11a の下側に向けている引出口部14a から内側直管11b を下方に引き出してその大径口部15b を上記引出口部14a の内周面に係止させると共に、この内側直管11b の下側に向けている引出口部14b から可撓ホース12を下方に引き出してその大径口部15a をを上記引出口部14b の内周面に係止させ、外側直管11a から内側直管11b と可撓ホース12を外側直管11a を延長する方向に順次垂下させてなる施工長さに等しい長さを有するドレン排水管A1とする。なお,外側直管11a からの内側直管11b や可撓ホース12の引出し作業は、施工現場において予め行っておいてもよい。 Further, the inner straight pipe 11b is pulled downward from the outlet portion 14a facing the lower side of the outer straight pipe 11a, and the large-diameter opening portion 15b is locked to the inner peripheral surface of the outlet portion 14a. The flexible hose 12 is pulled downward from the outlet portion 14b facing the lower side of the inner straight pipe 11b, and the large diameter portion 15a is locked to the inner peripheral surface of the outlet portion 14b, and the outer straight pipe is used. A drain drain pipe A1 having a length equal to the construction length formed by sequentially hanging the inner straight pipe 11b and the flexible hose 12 from 11a in the direction extending the outer straight pipe 11a. The work of pulling out the inner straight pipe 11b and the flexible hose 12 from the outer straight pipe 11a may be performed in advance at the construction site.

このように全長に亘って伸長させた状態のドレン排水管A1は、空調機Cのドレン導出口側から建物の外壁面に沿って外壁面の下端にまで真っ直ぐに垂下した状態で施工され、内側直管11b の下端から下方に引き出している可撓ホース12の下端部を適宜に屈曲させて排水溝等の排水路にその先端部の排水口部16を臨ませた状態に配管することによってドレン排水管A1の施工工事が完了する。 The drain drainage pipe A1 in a state of being extended over the entire length is constructed in a state of hanging straight from the drain outlet side of the air conditioner C to the lower end of the outer wall surface along the outer wall surface of the building, and is installed inside. Drain by appropriately bending the lower end of the flexible hose 12 that is pulled down from the lower end of the straight pipe 11b so that the drainage port 16 at the tip of the flexible hose 12 faces the drainage channel such as a drainage ditch. Construction work for drainage pipe A1 is completed.

こうして施工されたドレン排水管A1によれば、空調機Cから排出されるドレンは、ドレン導出用短管D内を通じてこのドレン導出用短管Dの先端排出口に接続している外側直管11a の接続口部13内に流出し、さらに、この接続口部13から外側直管11a 内を流下すると共に外側直管11a の下端から内側直管11b 内と可撓ホース12内とを順次流下して可撓ホース12の下端排水口部16から排水溝等の排水路に排出される。 According to the drain drain pipe A1 constructed in this way, the drain discharged from the air conditioner C is an outer straight pipe 11a connected to the tip discharge port of the drain outlet short pipe D through the drain outlet short pipe D. It flows out into the connection port 13 and then flows down from the connection port 13 into the outer straight pipe 11a and from the lower end of the outer straight pipe 11a into the inner straight pipe 11b and the flexible hose 12. It is discharged from the lower end drainage port 16 of the flexible hose 12 to a drainage channel such as a drainage ditch.

なお、上記ドレン排水管A1においては、外側直管11a の内外周面を全長に亘って平滑な面に形成しているが、上記ドレン排水管Aの直管1と同様に、外側直管11a の一端部において、接続口部13の基端に連なる接続口部13から他端側の管部を蛇腹形状、或いは、コルゲート管壁形状の可撓管部に形成しておいてもよい。 In the drain drainage pipe A1, the inner outer peripheral surface of the outer straight pipe 11a is formed as a smooth surface over the entire length, but like the straight pipe 1 of the drainage pipe A, the outer straight pipe 11a At one end of the pipe, the pipe portion on the other end side from the connection port portion 13 connected to the base end of the connection port portion 13 may be formed in a bellows-shaped or corrugated pipe wall-shaped flexible pipe portion.

このように、外側直管11a における接続口部13を有する一端部を可撓管部に形成しておくと、施工時に、空調機Cのドレン導出用短管Dのドレン導出口の位置に対して建物Bの外壁面に沿って配管すべき上記外側直管11a の接続口部13が左右方向にズレていても、或いは,上記ドレン導出口が空調機Cの背面側の建物壁体部に貫設した貫通孔内にあって、外部にまで導出していない場合であっても、外側直管11a の上記可撓管部を撓ませてその接続口部13を簡単に且つ精度よく上記ドレン導出口側に向けてこのドレン導出口にに接続することができる。 In this way, if one end of the outer straight pipe 11a having the connection port 13 is formed in the flexible pipe portion, the position of the drain outlet of the drain outlet short pipe D of the air conditioner C at the time of construction Even if the connection port 13 of the outer straight pipe 11a that should be piped along the outer wall surface of the building B is displaced in the left-right direction, or the drain outlet is located on the building wall on the back side of the air conditioner C. Even if it is inside the through hole and is not led out to the outside, the flexible pipe portion of the outer straight pipe 11a is bent to easily and accurately connect the connection port portion 13 to the drain. It can be connected to this drain outlet toward the outlet side.

図8~図10は上記ドレン排水管A、A1とは異なる構造を有する本発明の別なドレン排水管A2を示すもので、このドレン排水管A2は一本の直管21と、この直管21の一半部内に収納されている第一可撓ホース22a と、直管21の他半部内に収納されている第二可撓ホース22b とから構成されている。なお、これらの直管21及び第一、第二可撓ホース22a 、22b は上記ドレン排水管A、A1の直管や可撓ホースと同質の合成樹脂材料より形成されている。 8 to 10 show another drain drain pipe A2 of the present invention having a structure different from that of the drain drain pipes A and A1, and the drain drain pipe A2 is a straight pipe 21 and this straight pipe. It is composed of a first flexible hose 22a housed in one half of 21 and a second flexible hose 22b housed in the other half of the straight pipe 21. The straight pipe 21 and the first and second flexible hoses 22a and 22b are made of a synthetic resin material of the same quality as the straight pipes and flexible hoses of the drain drain pipes A and A1.

上記直管21は、その内外周面が全長に亘って平滑な面に形成されていると共に管壁の厚みを全長に亘って同一厚みに形成されてあり、さらに、両端開口部を中心(内方)に向かって屈曲させて上記第一、第二可撓ホース22a 、22b を直管21内からそれぞれ相反する方向に引き出すための引出口部24a 、24b に形成している。 The straight pipe 21 has an inner outer peripheral surface formed on a smooth surface over the entire length and a pipe wall having the same thickness over the entire length, and is further centered on the openings at both ends (inside). The first and second flexible hoses 22a and 22b are formed at the outlets 24a and 24b for pulling out the first and second flexible hoses 22a and 22b from the inside of the straight pipe 21 in opposite directions, respectively.

上記第一可撓ホース22a の他端開口部を除く管部(ホース部)と、上記第二可撓ホース22b の一端開口部を除く管部(ホース部)の外径は、上記直管21の両端開口部に設けている引出口部24a 、24b の口径よりも小径、又は、これらの引出口部24a 、24b の内周面にその外周面が摺接可能な径を有するコルゲート管からなる。 The outer diameters of the pipe portion (hose portion) excluding the other end opening of the first flexible hose 22a and the pipe portion (hose portion) excluding the one end opening of the second flexible hose 22b are the straight pipe 21. Consists of a corrugated pipe having a diameter smaller than the diameters of the outlets 24a and 24b provided in the openings at both ends of the hose, or having a diameter at which the outer peripheral surface of the outlets 24a and 24b can be slidably contacted with the inner peripheral surfaces of the outlets 24a and 24b. ..

第一可撓ホース22a は、その一端開口部を空調機Cに接続しているドレン導出用短管Dの先端のドレン導出口に接続するための短筒形状の接続口部23に形成している一方、他端開口部を上記直管21の一端部に形成している引出口部24a よりも大径で直管21の内径よりも小径、または直管21の内周面にその開口端部の外周面が摺接することができる外径を有する大径口部25a にに形成されていて、この大径口部25a の背面側の外周面を、上記引出口部24a から第一可撓ホース22a を引き出した際に引出口部24a の内周面に抜け止め状態に且つ水密に密着、係止する係止面に形成されている。なお、上記接続口部23は第一可撓ホース22a のコルゲート管部の外径よりも小径で内外周面が平滑面に形成されている。 The first flexible hose 22a is formed in a short tube-shaped connection port 23 for connecting one end opening to the drain outlet at the tip of the drain outlet short tube D connected to the air conditioner C. On the other hand, the other end opening is larger in diameter than the outlet portion 24a formed at one end of the straight pipe 21 and smaller in diameter than the inner diameter of the straight pipe 21, or the opening end is on the inner peripheral surface of the straight pipe 21. The outer peripheral surface of the portion is formed on a large diameter opening portion 25a having an outer diameter that can be slidably contacted, and the outer peripheral surface on the back surface side of the large diameter opening portion 25a is first flexed from the outlet portion 24a. When the hose 22a is pulled out, it is formed on the inner peripheral surface of the outlet portion 24a in a locking surface that is in close contact with the watertight and locks. The connection port 23 has a diameter smaller than the outer diameter of the corrugated pipe portion of the first flexible hose 22a, and the inner and outer peripheral surfaces are formed into a smooth surface.

第二可撓ホース22b は、その一端開口部を上記第一可撓ホース22a の他端開口部に形成している上記大径口部25a と同大同形の大径口部25b に形成されている。即ち、この第二可撓ホース22b の他端開口部は、上記直管21の他端部に形成している引出口部24b よりも大径で直管21の内径よりも小径、または直管21の内周面にその開口端部の外周面が摺接することができる外径を有する大径口部25b に形成されていて、この大径口部25b の背面側の外周面を、上記引出口部24b から第二可撓ホース22b を引き出した際に、引出口部24b
の内周面に抜け止め状態に且つ水密に密着、係止する係止面に形成されている。
The second flexible hose 22b is formed in a large diameter portion 25b having the same size and shape as the large diameter opening portion 25a having an opening at one end formed in the other end opening of the first flexible hose 22a. There is. That is, the other end opening of the second flexible hose 22b has a larger diameter than the outlet portion 24b formed at the other end of the straight pipe 21 and a smaller diameter than the inner diameter of the straight pipe 21 or a straight pipe. The outer peripheral surface of the opening end portion is formed on the large-diameter opening portion 25b having an outer diameter that can be slidably contacted with the inner peripheral surface of the 21. When the second flexible hose 22b is pulled out from the outlet portion 24b, the outlet portion 24b
It is formed on a locking surface that is tightly adhered to and locked to the inner peripheral surface of the above.

さらに、この第二可撓ホース22b の他端開口部は、コルゲート管部の外径よりも小径で内外周面が平滑面に形成された短筒形状の排水口部26に形成されている。 Further, the other end opening of the second flexible hose 22b is formed in a short cylinder-shaped drainage port 26 having a diameter smaller than the outer diameter of the corrugated pipe portion and having an inner and outer peripheral surface formed on a smooth surface.

上記第一可撓ホース22a と第二可撓ホース22b は、略同一長さに形成されていると共に上記直管21の長さの1/2よりも接続口部23又は排水口部26の長さだけ長く形成されてあり、これらの第一可撓ホース22a と第二可撓ホース22b は、その大径口部25a 、25b を図8に示すように直管21内の中央部において腹合わせ状に突き合わせた状態にして、且つ、第一可撓ホース22a の一端部に設けている上記接続口部23を直管21の一端側の引出口部24a から外部に突出させ、第二可撓ホース22b の他端部に設けている上記排水口部26を直管21の他端側の引出口部24b から外部に突出させた状態にして直管21内に収納されている。 The first flexible hose 22a and the second flexible hose 22b are formed to have substantially the same length, and the length of the connection port 23 or the drain port 26 is longer than 1/2 of the length of the straight pipe 21. These first flexible hoses 22a and second flexible hoses 22b are formed so long that their large diameters 25a and 25b are aligned at the center of the straight pipe 21 as shown in FIG. The connection port 23 provided at one end of the first flexible hose 22a is projected outward from the outlet portion 24a on one end side of the straight pipe 21 so as to be in a state of being butted into a shape, and the second flexible hose 22a is flexed. The drainage port 26 provided at the other end of the hose 22b is housed in the straight pipe 21 in a state of protruding outward from the outlet portion 24b on the other end side of the straight pipe 21.

なお、図9に示すように、直管21の両端引出口部24a 、24b から第一可撓ホース22a と第二可撓ホース22b とをそれぞれ相反する方向に引き出して第一可撓ホース22a の他端側に形成している大径口部25a を直管21の一端側の引出口部24a の内周面に係止させ、第二可撓ホース22b の一端側に形成している大径口部25b を直管21の他端側の引出口部24b の内周面に係止させた際における、第一可撓ホース22a の一端に設けている接続口部23から第二可撓ホース22b の他端に設けている排水口部26までの長さは、上記ドレン排水管A、A1と同様に施工長さ(略2メートル)に相当する長さに形成されている。 As shown in FIG. 9, the first flexible hose 22a and the second flexible hose 22b are pulled out from the outlets 24a and 24b at both ends of the straight pipe 21 in opposite directions to the first flexible hose 22a. The large diameter 25a formed on the other end side is locked to the inner peripheral surface of the outlet portion 24a on one end side of the straight pipe 21, and the large diameter formed on one end side of the second flexible hose 22b. When the mouth portion 25b is locked to the inner peripheral surface of the outlet portion 24b on the other end side of the straight pipe 21, the connection port portion 23 provided at one end of the first flexible hose 22a to the second flexible hose. The length up to the drainage port 26 provided at the other end of 22b is formed to be a length corresponding to the construction length (approximately 2 meters) like the drain drainage pipes A and A1.

上記のように構成した空調機のドレン排水管A2は、施工前においては、図8に示すように直管21の一半部内に第一可撓ホース22a をその接続口部23を直管21の一端側の引出口部24a から外部に突出させた状態にして収納してあり、直管21の他半部内に第二可撓ホース22b をその排水口部26を直管21の他端側の引出口部24b から外部に突出させた状態にして収納している。このように構成した排水管A1は、複数本、束ねた状態にして整然と保管しておくことができる。 Before construction, the drain drainage pipe A2 of the air conditioner configured as described above has the first flexible hose 22a in one half of the straight pipe 21 and the connection port 23 of the straight pipe 21 as shown in FIG. The second flexible hose 22b is housed in the other half of the straight pipe 21 and the drainage port 26 is on the other end side of the straight pipe 21. It is stored so that it protrudes outward from the outlet 24b. A plurality of drainage pipes A1 configured in this way can be bundled and stored in an orderly manner.

施工に際しては、一本ないしは数本の排水管A2を施工現場まで搬送し、施工現場において、直管21を把持しながらこの直管21の一端側の引出口部24a が上向きとなるように直管21を縦方向に向けて、直管21の上記引出口部24a から上方に突出している第一可撓ホース22a の接続口部23を、建物Bの壁体Wに貫設した貫通孔Eに室内側から屋外に向かって挿通している空調機Cのドレン導出用短管Dのドレン導出口に嵌合等によって接続する。 At the time of construction, one or several drain pipes A2 are transported to the construction site, and at the construction site, the outlet portion 24a on one end side of the straight pipe 21 is directed upward while grasping the straight pipe 21. A through hole E penetrating the connection port 23 of the first flexible hose 22a protruding upward from the outlet portion 24a of the straight pipe 21 with the pipe 21 directed in the vertical direction into the wall body W of the building B. It is connected to the drain outlet of the drain outlet short pipe D of the air conditioner C, which is inserted from the indoor side toward the outside, by fitting or the like.

この際、第一可撓ホース22a を直管21の上記引出口部24a から上方に引き出しておけば、第一可撓ホース22a の接続口部23を空調機Cのドレン導出用短管Dのドレン導出口に接続する作業が容易に行うことができるばかりでなく、施工時に、空調機Cのドレン導出用短管Dのドレン導出口の位置に対して第一可撓ホース22a の上記接続口部23が左右方向にズレていても、或いは,上記ドレン導出口が空調機Cの背面側の建物壁体部に貫設した貫通孔E内にあって、外部にまで導出していない場合であっても、第一可撓ホース22a を撓ませてその接続口部23を簡単に且つ精度よく上記ドレン導出口に接続することができる。 At this time, if the first flexible hose 22a is pulled upward from the outlet portion 24a of the straight pipe 21, the connection port portion 23 of the first flexible hose 22a can be connected to the drain outlet short pipe D of the air conditioner C. Not only can the work of connecting to the drain outlet be easily performed, but also the connection port of the first flexible hose 22a with respect to the position of the drain outlet of the drain outlet short pipe D of the air conditioner C at the time of construction. Even if the portion 23 is displaced in the left-right direction, or when the drain outlet is inside the through hole E penetrating the building wall on the back side of the air conditioner C and is not led out to the outside. Even if there is, the first flexible hose 22a can be bent to connect the connection port 23 to the drain outlet easily and accurately.

さらに、直管21に収納している第二可撓ホース22b を直管21の下方に向けている引出口部24b から下方に引き出してこの第二可撓ホース22b の大径口部25b を直管21の上記引出口部24b の内周面に係止させることにより、図10に示すように空調機Cのドレン導出用短管Dの先端ドレン導出口から建物の外壁面に沿って外壁面の下端にまで真っ直ぐに垂下した状態となるようにドレン排水管A2を施工し、さらに、上記第二可撓ホース22b の下端部を適宜に屈曲させて排水溝等の排水路にその先端部の排水口部26を臨ませた状態に配管することによってこのドレン排水管A2の施工工事を完了する。 Further, the second flexible hose 22b housed in the straight pipe 21 is pulled downward from the outlet portion 24b facing downward of the straight pipe 21, and the large diameter portion 25b of the second flexible hose 22b is directly connected. By locking the pipe 21 to the inner peripheral surface of the outlet portion 24b, as shown in FIG. 10, the outer wall surface is along the outer wall surface of the building from the tip drain outlet of the drain drainage short pipe D of the air conditioner C. Drain drainage pipe A2 is installed so that it hangs straight down to the lower end of the hose, and the lower end of the second flexible hose 22b is bent appropriately so that the tip of the drainage canal such as a drainage ditch can be reached. The construction work of this drain drainage pipe A2 is completed by piping with the drainage port 26 facing.

このように、管全体を全長に亘って伸長させた状態で施工されたドレン排水管A2によれば、空調機Cから排出されるドレンはドレン排出用短管D内を通じてこのドレン排出用短管Dの排出口に接続している第一可撓ホース22a の接続口部23内に流出し、さらに、この接続口部23から直管21内を流下すると共にこの直管21の下端の引出口部24b の内周面に水密状態に密着、係止している第二可撓ホース22b の大径口部25b 内を通じてこの第二可撓ホース22b 内を流下し、下端排水口部26から排水溝等の排水路に排出される。 According to the drain drain pipe A2 constructed in a state where the entire pipe is extended over the entire length, the drain discharged from the air conditioner C passes through the drain discharge short pipe D and is the drain drain short pipe. It flows out into the connection port 23 of the first flexible hose 22a connected to the discharge port of D, and further flows down from the connection port 23 into the straight pipe 21 and the outlet at the lower end of the straight pipe 21. The second flexible hose 22b that is in close contact with and locked to the inner peripheral surface of the portion 24b flows down into the second flexible hose 22b through the large diameter portion 25b of the second flexible hose 22b, and drains from the lower end drain port portion 26. It is discharged to a drainage channel such as a ditch.

図11~図13は本発明のさらに別な構造を有するドレン排水管A3を示すもので、このドレン排水管A3は、外側直管31a と、この外側直管31a 内に引出し可能に収納されている内側直管31b と、この内側直管31b の一半部内に収納されている第一可撓ホース32a と、他半部内に収納されている第二可撓ホース32b とから構成されている。なお、これらの内外直管31a 、31b 及び第一、第二可撓ホース32a 、32b は上記ドレン排水管A~A2の直管や可撓ホースと同質の合成樹脂材料より形成されている。 FIGS. 11 to 13 show a drain drain pipe A3 having yet another structure of the present invention, and the drain drain pipe A3 is retractably housed in the outer straight pipe 31a and the outer straight pipe 31a. It is composed of an inner straight pipe 31b, a first flexible hose 32a housed in one half of the inner straight pipe 31b, and a second flexible hose 32b housed in the other half. The inner and outer straight pipes 31a and 31b and the first and second flexible hoses 32a and 32b are made of the same synthetic resin material as the straight pipes and flexible hoses of the drain drain pipes A to A2.

上記外側直管31a は、その内外周面が全長に亘って平滑な面に形成されていると共に管壁の厚みを全長に亘って同一厚みに形成されてあり、さらに、両端開口部を中心(内方)に向かって屈曲させて引出口部34a 、34b に形成し、一端側に形成している引出口部34a
の口径を内側直管31b よりも小径でこの内側直管31b の一半部内に収納している第一可撓ホース32a が引出し可能な径に形成している一方、他端側に形成している引出口部34b の口径を上記一端側の引出口部34a よりも大径で内側直管31b をこの外側直管31a から引き出し可能な径に形成している。
The outer peripheral surface of the outer straight pipe 31a is formed to be a smooth surface over the entire length, and the thickness of the pipe wall is formed to be the same over the entire length. Bend toward the inward side) to form the outlets 34a and 34b, and the outlet 34a formed on one end side.
The diameter of the first flexible hose 32a, which is smaller than the inner straight pipe 31b and is housed in one half of the inner straight pipe 31b, is formed to a diameter that can be pulled out, while it is formed on the other end side. The diameter of the outlet portion 34b is larger than that of the outlet portion 34a on one end side, and the inner straight pipe 31b is formed to have a diameter that can be pulled out from the outer straight pipe 31a.

上記内側直管31b は、上記外側直管31a と同様にその内外周面が全長に亘って平滑な面に形成されていると共に管壁の厚みを全長に亘って同一厚みに形成されている。この内側直管31b の一端開口部は外方に向かって拡径して上記外側直管31a の他端側に設けている引出口部34b よりも大径の大径口部35b に形成されていると共にこの大径口部35b の背面側の外周面を上記外側直管31a の他端に設けている上記引出口部34b の内周面に抜け止め状態で且つ水密に密着、係止する係止面に形成している一方、この内側直管31b の他端開口部は中心(内方)に向かって屈曲していて、この内側直管31b の他半部内に収納している上記可撓ホース32b の引出口部34c に形成されている。 Like the outer straight pipe 31a, the inner straight pipe 31b has an inner outer peripheral surface formed as a smooth surface over the entire length, and the pipe wall is formed to have the same thickness over the entire length. One end opening of the inner straight pipe 31b is formed in a large diameter opening portion 35b having a larger diameter than the outlet portion 34b provided on the other end side of the outer straight pipe 31a by expanding the diameter toward the outside. At the same time, the outer peripheral surface on the back surface side of the large diameter opening portion 35b is in close contact with and locked to the inner peripheral surface of the outlet portion 34b provided at the other end of the outer straight pipe 31a in a watertight manner. While it is formed on the stop surface, the other end opening of the inner straight pipe 31b is bent toward the center (inward), and the above-mentioned flexibility is housed in the other half of the inner straight pipe 31b. It is formed at the outlet 34c of the hose 32b.

内側直管31b 内に収納されている上記第一可撓ホース32a の他端開口部を除く管部(ホース部)と、上記第二可撓ホース32b の一端開口部を除く管部(ホース部)の外径は、上記内側直管31b の他端開口部に設けている引出口部34c の口径よりも小径、又は、この引出口部34c のの内周面にその外周面が摺接可能な径を有するコルゲート管からなる。 The pipe part (hose part) excluding the other end opening of the first flexible hose 32a housed in the inner straight pipe 31b and the pipe part (hose part) excluding the one end opening of the second flexible hose 32b. ) Is smaller than the diameter of the outlet portion 34c provided at the other end opening of the inner straight pipe 31b, or its outer peripheral surface can be slidably contacted with the inner peripheral surface of the outlet portion 34c. It consists of a corrugated tube having a large diameter.

さらに、上記第一可撓ホース32a は、その一端開口部を空調機Cに接続しているドレン導出用短管Dの先端のドレン導出口に接続するための短筒形状の接続口部33に形成している一方、他端開口部を上記内側直管31b の内径よりも小径、又は外周面が内側直管31b の内周面に摺接する径を有し、且つ、外側直管31a の一端側の引出口部34a の口径よりも大径の大径口部35c に形成されていて、上記引出口部34a から第一可撓ホース32a を引き出した際に、この大径口部35c の背面側の外周面を上記引出口部34a の内周面に抜け止め状態に且つ水密に密着、係止する係止面に形成されている。なお、上記接続口部33は第一可撓ホース32a のコルゲート管部の外径よりも小径で内外周面が平滑面に形成されている。 Further, the first flexible hose 32a has a short tube-shaped connection port 33 for connecting one end opening to the drain outlet at the tip of the drain outlet short tube D connected to the air conditioner C. On the other hand, the other end opening has a diameter smaller than the inner diameter of the inner straight pipe 31b, or the outer peripheral surface has a diameter of sliding contact with the inner peripheral surface of the inner straight pipe 31b, and one end of the outer straight pipe 31a. It is formed in a large diameter opening 35c that is larger in diameter than the diameter of the side outlet 34a, and when the first flexible hose 32a is pulled out from the outlet 34a, the back surface of this large diameter 35c. The outer peripheral surface on the side is formed on the inner peripheral surface of the outlet portion 34a in a locking surface that is in close contact with and locks in a watertight state. The connection port 33 has a diameter smaller than the outer diameter of the corrugated pipe portion of the first flexible hose 32a, and the inner and outer peripheral surfaces are formed into a smooth surface.

上記第二可撓ホース32b は、その一端開口部を上記第一可撓ホース32a の他端開口部に形成している上記大径口部35c と同大同形の大径口部35d に形成されている。即ち、この第二可撓ホース32b の他端開口部は、上記内側直管31b の他端部に形成している引出口部34b よりも大径で内側直管31b の内径よりも小径、または内側直管31b の内周面にその開口端部の外周面が摺接することができる外径を有する大径口部35d に形成されていて、この大径口部35d の背面側の外周面を、上記引出口部34b から第二可撓ホース32b を引き出した際に、引出口部34b の内周面に抜け止め状態に且つ水密に密着、係止する係止面に形成されている。 The second flexible hose 32b is formed into a large diameter portion 35d having the same size and shape as the large diameter opening portion 35c having an opening at one end formed at the other end opening of the first flexible hose 32a. ing. That is, the other end opening of the second flexible hose 32b has a larger diameter than the outlet portion 34b formed at the other end of the inner straight pipe 31b and a smaller diameter than the inner diameter of the inner straight pipe 31b. The outer peripheral surface of the opening end is formed on the inner peripheral surface of the inner straight pipe 31b in a large diameter portion 35d having an outer diameter that can be slidably contacted, and the outer peripheral surface on the back surface side of the large diameter opening portion 35d is formed. When the second flexible hose 32b is pulled out from the outlet portion 34b, the second flexible hose 32b is formed on the inner peripheral surface of the outlet portion 34b in a locking surface that is tightly adhered and locked in a watertight manner.

この第二可撓ホース32b の他端開口部は、コルゲート管部の外径よりも小径で内外周面が平滑面に形成された短筒形状の排水口部36に形成されている。 The other end opening of the second flexible hose 32b is formed in a short cylinder-shaped drainage port 36 having a diameter smaller than the outer diameter of the corrugated pipe portion and having an inner and outer peripheral surface formed on a smooth surface.

さらに、上記第一可撓ホース32a と第二可撓ホース32b は、略同一長さに形成されていると共にこれらの第一可撓ホース32a と第二可撓ホース32b とを図11に示すように、その大径口部35c 、35d を腹合わせ状に突き合わせて内側直管31b の一半部内と他半部内にそれぞれ収納した状態においては、第一可撓ホース32a の一端に設けている接続口部33が外側直管31a の一端側の引出口部34a から外部に突出し、第二可撓ホース32b の他端に設けている排水口部36が内側直管31b の他端側の引出口部34c から外部に突出する長さに形成されている。 Further, the first flexible hose 32a and the second flexible hose 32b are formed to have substantially the same length, and the first flexible hose 32a and the second flexible hose 32b are shown in FIG. In addition, when the large-diameter portions 35c and 35d are butted in an abdominal manner and stored in one half and the other half of the inner straight pipe 31b, the connection port provided at one end of the first flexible hose 32a. The portion 33 protrudes outward from the outlet portion 34a on one end side of the outer straight pipe 31a, and the drain port portion 36 provided at the other end of the second flexible hose 32b is the outlet portion on the other end side of the inner straight pipe 31b. It is formed to a length that protrudes outward from 34c.

なお、図12に示すように、内側直管31b 内から第一可撓ホース32a と第二可撓ホース32b とを互いに相反する方向に引き出すと共に、第一可撓ホース32a の引き出しによって、この第一可撓ホース32a の大径口部35c を外側直管31a の一端部に形成している引出口部34a に係止させて外側直管31a を第一可撓ホース32a と一体的に第二可撓ホース32b とは反対方向に移動させる一方、第二可撓ホース32b の引き出しによって、この第二可撓ホース32b の大径口部35d を内側直管31b の他端部に形成している引出口部34c に係止させて内側直管31b を第二可撓ホース32b と一体的に第一可撓ホース32a と反対側に、この内側直管31b の一端側に形成している大径口部35b が外側直管31a の他端側の引出口部34b に係止するまで移動させることによって伸長させたドレン排水管A3の接続口部33から排水口部36までの長さは、上記ドレン排水管A~A2と同様に施工長さ(略2メートル)に相当する長さに形成されている。 As shown in FIG. 12, the first flexible hose 32a and the second flexible hose 32b are pulled out from the inner straight pipe 31b in opposite directions, and the first flexible hose 32a is pulled out to make the first flexible hose 32a. (1) The large diameter portion 35c of the flexible hose 32a is locked to the outlet portion 34a formed at one end of the outer straight pipe 31a, and the outer straight pipe 31a is integrally second with the first flexible hose 32a. While moving in the opposite direction to the flexible hose 32b, the large diameter 35d of the second flexible hose 32b is formed at the other end of the inner straight pipe 31b by pulling out the second flexible hose 32b. Large diameter formed on the opposite side of the first flexible hose 32a and one end side of the inner straight pipe 31b integrally with the second flexible hose 32b by locking the inner straight pipe 31b to the outlet 34c. The length from the connection port 33 to the drain port 36 of the drain drain pipe A3 extended by moving the mouth 35b until it is locked to the outlet 34b on the other end side of the outer straight pipe 31a is as described above. Like the drain drain pipes A to A2, it is formed to have a length corresponding to the construction length (approximately 2 meters).

上記のように構成した空調機のドレン排水管A3は、施工前においては、図11に示すように外側直管31a 内に内側直管31b が互いに二重管形状となるように収納されていると共にこの内側直管31b の一半部内に第一可撓ホース32a をその接続口部33を外側直管31a の一端側の引出口部34a から外部に突出させた状態にして収納してあり、内側直管31b の他半部内に第二可撓ホース32b をその排水口部36を内側直管31b の他端側の引出口部34c から外部に突出させた状態にして収納している。このように構成した排水管A1は、複数本、束ねた状態にして整然と保管しておくことができる。 Before construction, the drain drain pipe A3 of the air conditioner configured as described above is housed in the outer straight pipe 31a so that the inner straight pipe 31b has a double pipe shape as shown in FIG. At the same time, the first flexible hose 32a is stored in a half of this inner straight pipe 31b with its connection port 33 protruding outward from the outlet 34a on one end side of the outer straight pipe 31a. The second flexible hose 32b is stored in the other half of the straight pipe 31b with its drain port 36 protruding outward from the outlet 34c on the other end of the inner straight pipe 31b. A plurality of drainage pipes A1 configured in this way can be bundled and stored in an orderly manner.

施工に際しては、一本ないしは数本のドレン排水管A3を施工現場まで搬送し、施工現場において、外側直管31a を把持しながらこの外側直管31a の一端側の引出口部34a から第一可撓ホース32a を引出すと共にこの第一可撓ホース32a が上向きとなるように管全体を縦方向に向けて、第一可撓ホース32a の接続口部33を、建物Bの壁体Wに貫設した貫通孔Eに室内側から屋外に向かって挿通している空調機Cのドレン導出用短管Dのドレン導出口に嵌合等によって接続する。 At the time of construction, one or several drain drain pipes A3 are transported to the construction site, and at the construction site, the first is possible from the outlet part 34a on one end side of the outer straight pipe 31a while grasping the outer straight pipe 31a. With the flexible hose 32a pulled out and the entire pipe facing vertically so that the first flexible hose 32a faces upward, the connection port 33 of the first flexible hose 32a is pierced through the wall body W of the building B. It is connected to the drain outlet of the drain outlet short pipe D of the air conditioner C, which is inserted from the indoor side toward the outside into the through hole E, by fitting or the like.

この際、空調機Cのドレン導出用短管Dのドレン導出口の位置に対して第一可撓ホース32a の上記接続口部33が左右方向にズレていても、或いは,上記ドレン導出口が空調機Cの背面側の建物壁体部に貫設した貫通孔E内にあって、外部にまで導出していない場合であっても、第一可撓ホース32a を撓ませてその接続口部33を簡単に且つ精度よく上記ドレン導出口に接続することができる。 At this time, even if the connection port 33 of the first flexible hose 32a is displaced in the left-right direction with respect to the position of the drain outlet of the drain outlet of the air conditioner C, or the drain outlet is Even if it is inside the through hole E that penetrates the building wall on the back side of the air conditioner C and is not led out to the outside, the first flexible hose 32a is bent to connect the connection port. The 33 can be easily and accurately connected to the drain outlet.

さらに、第一可撓ホース32a の大径口部35c を外側直管31a の一端側の引出口部34a に係止させると共に、内側直管31b の他半部内に収納している第二可撓ホース32b を内側直管31b の他端部に設けている引出口部34c からその一端側に設けている大径口部35d が内側直管31b の上記引出口部34c に係止するまで引き出し、且つ、内側直管31b も外側直管31a の他端部に設けている引出口部34b からその一端部に設けている大径口部35b が外側直管31a の上記引出口部34b の内周面に係止するまで引き出すことにより、図13に示すように空調機Cのドレン導出口から建物Bの外壁面に沿って外壁面の下端にまで真っ直ぐに垂下した状態となるようにドレン排水管A3を施工する。 Further, the large diameter 35c of the first flexible hose 32a is locked to the outlet 34a on one end side of the outer straight pipe 31a, and the second flexible hose is housed in the other half of the inner straight pipe 31b. Pull out the hose 32b from the outlet portion 34c provided at the other end of the inner straight pipe 31b until the large-diameter opening portion 35d provided at one end side thereof engages with the above-mentioned outlet portion 34c of the inner straight pipe 31b. In addition, the inner straight pipe 31b also has a large-diameter opening 35b provided at one end of the outlet 34b provided at the other end of the outer straight pipe 31a, and the inner circumference of the outlet 34b of the outer straight pipe 31a. By pulling out until it is locked to the surface, as shown in FIG. 13, the drain drain pipe is hung straight from the drain outlet of the air conditioner C to the lower end of the outer wall surface along the outer wall surface of the building B. Install A3.

さらに、上記第二可撓ホース32b の下端部を適宜に屈曲させて排水溝等の排水路にその先端部の排水口部36を臨ませた状態に配管することによってこのドレン排水管A3の施工工事を完了する。なお、内側直管31b や第二可撓ホース32b の引出し作業は、予め、行っておいてもよい。 Further, the drain drainage pipe A3 is constructed by appropriately bending the lower end of the second flexible hose 32b and piping the drainage port 36 at the tip of the drainage channel such as a drainage ditch so as to face the drainage port 36. Complete the construction. The inner straight pipe 31b and the second flexible hose 32b may be pulled out in advance.

このように施工されたドレン排水管A3によれば、空調機Cから排出されるドレンは、ドレン排出用短管D内を通じてこのドレン排出用短管Dの排出口に接続している第一可撓ホース32a の接続口部33内に流出し、さらに、この接続口部33から外側直管31a 内と内側直管31b 内と第二可撓ホース32b 内とを順次流下してこの第二可撓ホース22b の下端排水口部36から排水溝等の排水路に排出される。 According to the drain drain pipe A3 constructed in this way, the drain discharged from the air conditioner C is connected to the discharge port of the drain drain short pipe D through the drain discharge short pipe D. It flows out into the connection port 33 of the flexible hose 32a, and further flows down from the connection port 33 into the outer straight pipe 31a, the inner straight pipe 31b, and the second flexible hose 32b in order. It is discharged from the lower end drainage port 36 of the flexible hose 22b to a drainage channel such as a drainage ditch.

なお、上記ドレン排水管A、A1、A2、A3においては、可撓ホースとしてコルゲート管を採用しているが、コルゲート管に限らず、スパイラル管や蛇腹管等の可撓性を有する管から形成しておいてもよい。 The drain drain pipes A, A1, A2, and A3 use corrugated pipes as flexible hoses, but they are not limited to corrugated pipes, but are formed from flexible pipes such as spiral pipes and bellows pipes. You may leave it.

A~A3 ドレン排水管
1 直管
2 可撓ホース
3 接続口部
4 引出口部
5 大径口部
6 排水口部
11a 、11b 内外直管
12 可撓ホース
13 接続口部
14a 、14b 引出口部
15a 、15b 大径口部
16 排水口部
21 直管
22a 、22b 第一、第二可撓ホース
23 接続口部
24a 、24b 引出口部
25a 、25b 大径口部
26 排水口部
31a 、31b 内外直管
32a 、32b 第一、第二可撓ホース
33 接続口部
34a ~34c 引出口部
35b ~35d 大径口部
A to A3 Drain drain pipe 1 Straight pipe 2 Flexible hose 3 Connection port 4 Exit 5 Large diameter port 6 Drain port
11a, 11b internal and external straight pipes
12 Flexible hose
13 Connection port
14a, 14b outlet
15a, 15b Large diameter
16 Drainage port
21 Straight pipe
22a, 22b 1st and 2nd flexible hoses
23 Connection port
24a, 24b outlet
25a, 25b Large diameter
26 Drainage port
31a, 31b internal and external straight pipes
32a, 32b 1st and 2nd flexible hoses
33 Connection port
34a-34c Exit
35b-35d Large diameter

Claims (6)

一端開口部を空調機のドレン導出口側に接続するための接続口部に形成していると共に他端開口部を引出口部に形成している合成樹脂製の直管と、この直管内に上記引出口部から引き出し可能に収納された合成樹脂製の可撓ホースとからなり、この可撓ホースの一端開口部を上記直管の他端部に形成している引出口部の内周面に抜け止め状態に係止する大径口部に形成していると共に他端開口部を排水口部に形成してあり、この可撓ホースを上記直管の引出口部から引き出した際の直管の一端から可撓ホースの排水口部までの長さが施工すべき長さとなるように形成していることを特徴とする空調機のドレン排水管。 A straight pipe made of synthetic resin in which one end opening is formed in the connection port for connecting to the drain outlet side of the air conditioner and the other end opening is formed in the outlet part, and in this straight pipe. It consists of a flexible hose made of synthetic resin that can be pulled out from the outlet, and the inner peripheral surface of the outlet that has one end opening of the flexible hose formed at the other end of the straight pipe. It is formed in a large-diameter opening that locks in a retaining state, and the other end opening is formed in the drainage port. A drain drain pipe for an air conditioner, characterized in that the length from one end of the pipe to the drain port of a flexible hose is formed to be the length to be constructed. 接続口を設けている直管の一端部において、接続口の基端に連なる管部を可撓管部に形成していることを特徴とする請求項1に記載の空調機のドレン排水管。 The drain drainage pipe of an air conditioner according to claim 1, wherein a pipe portion connected to the base end of the connection port is formed in a flexible pipe portion at one end of a straight pipe provided with a connection port. 合成樹脂製の外側直管と、この外側直管内に引出し可能に収納された合成樹脂製の内側直管と、この内側直管内に引出し可能に収納された合成樹脂製の可撓ホースとからなる空調機のドレン排水管であって、上記外側直管は一端開口部を空調機のドレン導出口側に接続するための接続口部に形成していると共に他端開口部を上記内側直管の引出口部に形成してあり、内側直管は一端開口部を上記外側直管の他端に設けている上記引出口部の内面に抜け止め状態に係止する大径口部に形成していると共に他端開口部を上記可撓ホースの引出口部に形成してあり、さらに、上記可撓ホースは一端開口部を上記内側直管の他端に設けている上記引出口部の内面に抜け止め状態に係止する大径口部に形成していると共に他端開口部を排水口部に形成していることを特徴とする空調機のドレン排水管。 It consists of an outer straight pipe made of synthetic resin, an inner straight pipe made of synthetic resin that is retractably stored in this outer straight pipe, and a flexible hose made of synthetic resin that is retractably stored in this inner straight pipe. The drain drain pipe of the air conditioner, the outer straight pipe has one end formed in the connection port for connecting the drain outlet side of the air conditioner, and the other end opening of the inner straight pipe. The inner straight pipe is formed in the outlet portion, and the inner straight pipe is formed in a large-diameter opening portion that locks one end to the inner surface of the outlet portion provided at the other end of the outer straight pipe in a retaining state. At the same time, the other end opening is formed at the outlet portion of the flexible hose, and the flexible hose has an opening at one end on the inner surface of the outlet portion provided at the other end of the inner straight pipe. A drain drain pipe of an air conditioner, which is formed in a large-diameter opening that locks in a retaining state and has an opening at the other end formed in the drain. 接続口部を設けている外側直管の一端部において、接続口部の基端に連なる管部を可撓管部に形成していることを特徴とする請求項3に記載の空調機のドレン排水管。 The drain of the air conditioner according to claim 3, wherein a pipe portion connected to the base end of the connection port portion is formed in the flexible pipe portion at one end of the outer straight pipe provided with the connection port portion. Drainage pipe. 合成樹脂製の直管と、この直管の一半部内に引出し可能に収納された合成樹脂製の第一可撓ホースと、上記直管の他半部内に引出し可能に収納された合成樹脂製の第二可撓ホースとからなる空調機のドレン排水管であって、上記直管はその一端開口部を上記第一可撓ホースの引出口部に形成し、他端開口部を上記第二可撓ホースの引出口部に形成してあり、上記第一可撓ホースはその一端開口部を空調機のドレン導出口側に接続するための接続口部に形成し、他端開口部を上記直管の一端側の引出口部に抜け止め状態に係止する大径口部に形成してあり、さらに、上記第二可撓ホースは、その一端開口部を上記直管の他端側の引出口部に抜け止め状態に係止する大径係止部に形成し、他端開口部を排水口部に形成していることを特徴とする空調機のドレン排水管。 A straight pipe made of synthetic resin, a first flexible hose made of synthetic resin that is retractably stored in one half of this straight pipe, and a synthetic resin that is retractably stored in the other half of the straight pipe. A drain drain pipe of an air conditioner composed of a second flexible hose, the straight pipe having an opening at one end formed at an outlet of the first flexible hose and an opening at the other end of the second flexible hose. The first flexible hose is formed at the outlet of the flexible hose, and the opening at one end is formed at the connection port for connecting the opening to the drain outlet side of the air conditioner, and the opening at the other end is directly formed. The second flexible hose is formed in a large-diameter opening that locks to the outlet on one end of the pipe in a retaining state, and the second flexible hose pulls the opening at one end on the other end of the straight pipe. A drain drain pipe of an air conditioner characterized in that it is formed in a large-diameter locking portion that locks in a retaining state at the outlet portion, and the other end opening is formed in the drain port portion. 合成樹脂製の外側直管と、この外側直管内に引出し可能に収納された合成樹脂製の内側直管と、この内側直管の一半部内に引出し可能に収納された合成樹脂製の第一可撓ホースと、上記内側直管の他半部内に引出し可能に収納された合成樹脂製の第二可撓ホースとからなる空調機のドレン排水管であって、上記外側直管はその一端開口部を上記第一可撓ホースの引出口部に形成し、他端開口部を上記内側直管の引出口部に形成してあり、上記内側直管はその一端開口部を上記外側直管の他端開口部に形成している引出口部の内周面に抜け止め状態に係止する大径口部に形成し、他端開口部を上記第二可撓ホースの引出口部に形成してあり、さらに、上記第一可撓ホースはその一端開口部を空調機のドレン導出口側に接続するための接続口部に形成し、他端開口部を上記外側直管の一端開口部に形成している引出口部の内周面に抜け止め状態に係止する大径口部に形成し、上記第二可撓ホースはその一端開口部を上記内側直管の他端開口部に形成している引出口部の内周面に抜け止め状態に係止する大径口部に形成し、他端開口部を排水口部に形成していることを特徴とする空調機のドレン排水管。 The outer straight pipe made of synthetic resin, the inner straight pipe made of synthetic resin that is retractably stored in this outer straight pipe, and the first possible synthetic resin that is retractably stored in one half of this inner straight pipe. It is a drain drain pipe of an air conditioner composed of a flexible hose and a second flexible hose made of synthetic resin that is retractably housed in the other half of the inner straight pipe, and the outer straight pipe has an opening at one end thereof. Is formed in the outlet portion of the first flexible hose, and the other end opening is formed in the outlet portion of the inner straight pipe. A large-diameter opening that locks in a retaining state is formed on the inner peripheral surface of the outlet formed at the end opening, and the other end opening is formed at the exit of the second flexible hose. Further, the first flexible hose is formed with one end opening at a connection port for connecting to the drain outlet side of the air conditioner, and the other end opening is formed at one end opening of the outer straight pipe. The second flexible hose is formed on the inner peripheral surface of the outlet portion with a large diameter that locks in a retaining state, and the opening at one end of the second flexible hose is formed at the opening at the other end of the inner straight pipe. A drain drain pipe of an air conditioner, which is formed in a large-diameter opening that locks on the inner peripheral surface of the outlet portion so as to prevent it from coming off, and has an opening at the other end formed in the drain opening portion.
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004225525A (en) 2002-11-29 2004-08-12 Mym Corp Hose-storage type water discharge pipe and faucet with hose-storage type water discharge pipe

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JPS482262U (en) * 1971-05-31 1973-01-11
JPS54109250U (en) * 1978-01-14 1979-08-01
JPS5811632U (en) * 1981-07-15 1983-01-25 三菱重工業株式会社 air conditioner drain hose
JPS58192315U (en) * 1982-06-16 1983-12-21 ダイキン工業株式会社 Drain hose for air conditioner extension
JP2520816Y2 (en) * 1991-05-16 1996-12-18 ミサワホーム株式会社 Construction panel
JP2590128Y2 (en) * 1992-08-03 1999-02-10 サンエー工業株式会社 Extension hose for water absorption
JP2591664Y2 (en) * 1992-11-04 1999-03-10 日本山村硝子株式会社 Telescopic plumbing pipe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004225525A (en) 2002-11-29 2004-08-12 Mym Corp Hose-storage type water discharge pipe and faucet with hose-storage type water discharge pipe

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