JP4535473B2

JP4535473B2 - Water pipe connection structure

Info

Publication number: JP4535473B2
Application number: JP2000018239A
Authority: JP
Inventors: 康司山田; 誠小澤
Original assignee: 株式会社ケーブイケー
Priority date: 2000-01-27
Filing date: 2000-01-27
Publication date: 2010-09-01
Anticipated expiration: 2020-01-27
Also published as: JP2001207492A

Description

【０００１】
【発明の属する技術分野】
本発明は、床下，壁裏等に配管された湯，水用の通水管を洗面台，流し台，浴室，トイレ等の止水栓に接続する構造に関する。
【０００２】
【従来の技術】
一般に集合住宅，戸建住宅等において、洗面台，流し台，浴室，トイレ等へ給水，給湯配管の施工を行う場合、建物の躯体工事の際に湯，水の各ヘッダと水栓との間で床下や壁裏に蛇腹状の鞘管をタコ足状に配設しておき、設備工事の際にこの鞘管内に給水，給湯用の通水管を挿通させる鞘管工法が行われている。この例を図４について簡単に説明すると、蛇腹状の鞘管５０を床板５１の下に配設して動かないように固定しておき、床板５１には洗面台５５の天板５６に取り付けられている水栓５７、及び湯，水用の連結管５８と同一垂直線上に貫通金具５２を固定し、後からポリブデンやポリエチレン管等の合成樹脂で形成した通水管５３を鞘管５０及び貫通金具５２に挿通し、通水管５３は床上で一方は給湯用ヘッダ及び給水用ヘッダ（何れも図示省略）に接続し、他方は貫通金具５２の上部を鞘管５０で覆って止水栓５４に接続しており、通水管５３を通過した湯，水は止水栓５４から連結管５８を介して水栓５７へ供給され、水栓５７の吐水管５９から湯水を供給するものである。
【０００３】
上記のものにあっては、通水管は貫通金具の内部では挿通するのみで支持されておらず、不安定な状態で床上の高い位置にある止水栓に接続してあり、また、通水管と鞘管内周面の間には隙間が存在しているため、湯，水が通水管を通過したり、管内の湯，水の流れが急に止まった場合に圧力が急増することで発生するウォーターハンマー現象により、通水管は鞘管内周面に衝突し大きな異常音が発生するので、居住者に不快感を与えるものであった。
【０００４】
【発明が解決しようとする課題】
本発明が解決しようとする課題は、湯，水用の各ヘッダと止水栓を接続する通水管を、床板に固定した貫通金具及び鞘管内に挿通する通水管の接続構造において、通水時，止水時に通水管が貫通金具及び鞘管内で振動しないようにし、異常音の発生を防止することである。
【０００５】
【課題を解決するための手段】
本発明は請求項１では、床板に穿設した取付孔に貫通金具を固定し、この貫通金具と洗面台，流し台，浴室，トイレ等に設けた止水栓の間に鞘管を配設し、湯，水用の各ヘッダと前記止水栓を接続する通水管を、床板の下部から貫通金具，鞘管内に挿通した通水管の接続構造において、前記貫通金具と通水管との間にはその隙間を調節するためのスペーサを装着可能としたものである。
【０００６】
請求項２では前記スペーサは、貫通金具に挿通する外径の異なる通水管に応じて入れ替え可能にしたものである。
【０００７】
【発明の実施の形態】
以下、本発明の実施の形態を図に基づいて詳細に説明する。
本発明は図１に示すように、洗面台，流し台，浴室，トイレ等のうち洗面台１は背面を壁２に沿って設置し、湯水混合水栓よりなる水栓３と、この水栓３が取り付けられる天板７と、この天板７を上載するキャビネット９と、天板７の前面に固定した洗面ボウル１０とを設け、この洗面ボウル１０の底部には排水口１１を設けて、キャビネット９の内部に配置されている配水管１２により洗面ボウル１０に溜まる湯水は外部へ排出される。
【０００８】
前記水栓３は、下部に延長した雄ねじ部４を天板７に穿設した取付孔８に上部から挿通して、天板７下部のキャビネット９内部から固定ナット５を雄ねじ部４に螺着することで天板７に固定しており、この雄ねじ部４の下部には樹脂又はゴム等の簡単に曲げることができ、耐圧性及び耐熱性に優れた材質からなる湯，水用の連結管６を接続している。
【０００９】
湯及び水用の通水管１３は容易に屈曲できる合成樹脂製のポリブデンやポリエチレン管等で形成し、外周面に被覆材１４を覆って装着することで外部と接触して傷付くことがないように保護し、床板１５の下では建物の躯体工事の際に予め配設された蛇腹状の鞘管１７内に押し込むことで鞘管１７により覆われて外部から保護されており、上流側を湯及び水の各ヘッダ（何れも図示省略）に接続し、下流側はキャビネット９内に向けて垂直方向に折り曲げ、床板１５に穿設した取付孔１６に固定した後述する貫通金具２０に挿通し、先端にはハンドル１９を回転操作することで水栓３への湯，水の止水，通水を可能にする止水栓１８が装着され、この止水栓１８の上部を前記連結管６と接続している。
【００１０】
前記貫通金具２０は図２に示すように、下部材２１と上部材２８を上下に重ね合わせ、ビス２７により床板１５に固定されるものであり、両部材２１，２８の間にはスペーサ３７を装着したり、図３のように取り外すことができるものである。
【００１１】
前記下部材２１は通水管１３が挿通できる内径の貫通孔２２を設けた略円筒状に形成し、貫通孔２２の下端は通水管１３を下方から挿通する際に、通水管１３を覆っている被覆材１４が接触してめくれることなく円滑に挿入できるように、下部内径が貫通孔２２より大径となるように傾斜させ先端を鋭角とした環状の挿入面２３を形成し、上部には外周面を大径として、床板１５の取付孔１６周縁と上下に向かい合って掛止される上側フランジ部２４を形成している。この上側フランジ部２４は貫通孔２２との間に下部が小径となるように傾斜させた環状のテーパー面２５を形成し、このテーパー面２５により、後述する下側スペーサ３８を貫通孔２２内に挿入した場合に、下部材２１に支持できるようにしている。又、上側フランジ部２４の周面には、上部材２８の下側フランジ部２９に穿設されたビス孔３０と上下に向かい合うネジ孔２６を穿設し、上部材２８のビス孔３０と下部材２１のネジ孔２６を上下に向かい合わせて、ビス２７により両部材２１，２８を床板１５に固定できるようにしている。
【００１２】
前記上部材２８は下部材２１よりやや大径の略円筒状で、内部の貫通孔３１の下方には通水管１３が挿通し後述するスペーサ３７を挿入することのできる小径孔３２を形成し、小径孔３２の下端には前記下部材２１のテーパー面２５と向かい合って下部が大径となるように傾斜させたテーパー面３３を形成し、上方にはこの小径孔３２より大径で通水管１３を覆って保護する鞘管１７を装着可能な大径孔３４を形成し、大径孔３４の上端には内側に向けて環状に突出した係止爪３５を突出し、この係止爪３５が大径孔３４に挿入される鞘管１７の周壁に食い込み、鞘管１７を抜け止め可能にしている。
【００１３】
前記スペーサ３７は、貫通金具２０に通水管１３を挿通した際に、貫通金具２０の両部材２１，２８と通水管１３の間に広い隙間ができる場合に装着するものであり、下部材２１と上部材２８の間に狭着される床板１５下部への漏水防止用のパッキン３６を挟んで、上下両側に装着する円筒状の下側スペーサ３８と上側スペーサ４２からなり、内径の異なるスペーサを数種類用意し、使用される通水管に応じて内径が通水管の外径より僅かに大径であるスペーサを選択して装着するものである。
【００１４】
前記下側スペーサ３８は貫通金具２０の下部材２１内周側に装着可能で、通水管１３が挿通する挿通孔３９の下部周面は、通水管１３を下方から容易に挿入できるように、下端を大径となるように傾斜させ先端を鋭角とした挿入面４０を形成し、上部には外周面に鍔部４１を形成し、この鍔部４１を下部材２１のテーパー面２５に掛止し、下部材２１から落下しないようにしている。
【００１５】
上側スペーサ４２は内部に下側スペーサ３８の挿通孔３９と同一径の挿通孔４３を形成し、下部外周を突出して鍔部４４を形成し、この鍔部４４が上部材２８のテーパー面３３に掛止している。
【００１６】
前記貫通金具２０を床板１５に固定するには、まず下部材２１を床板１５の取付孔１６に上部から嵌合させておく。次に貫通金具２０を通過させる通水管１３の外径を予め確認しておき、貫通金具２０との間に大きな隙間ができる場合は、隙間ができないようにするためのスペーサ３７を選択し、選択されたスペーサ３７のうち、まず下側スペーサ３８を床板１５の上部から下部材２１の貫通孔２２に挿入する。この時下側スペーサ３８の上部外周面に形成されている鍔部４１が下部材２１のテーパー面２５に支持され、下部材２１から下方に落下することはない。そして漏水防止用のパッキン３６，上側スペーサ４２，上部材２８を順に下側スペーサ３８及び下部材２１の上面に載せ、ビス２７を上部材２８のビス孔３０に挿入して下部材２１のネジ孔２６に螺着すれば、貫通金具２０は床板１５に固定される。
【００１７】
今、床板１５の下部に配設されている鞘管１７内に挿通させた通水管１３を、洗面台１に取り付けた水栓３に連通している止水栓１８に接続するには、床板１５に固定した貫通金具２０の各貫通孔２２，３１に、床板１５の下部から通水管１３の先端を垂直方向に立ち上げ挿通させる。この場合に通水管１３と貫通金具２０の貫通孔２２，３１の間の隙間が広いと、通水時，止水時に通水管１３が鞘管１７内で激しく振動するので、図２のように貫通金具２０の内部にスペーサ３７を装着し、隙間が少ない場合は図３のようにスペーサ３７は装着しなくてもよい。又、貫通金具２０の下部材２１及び下側スペーサ３８には、下端にそれぞれ挿入面２３，４０が形成され入口の外径を広げているので、通水管１３は引掛かることなくスムーズに挿入でき、通水管１３の被覆材１４が傷付くことはない。
【００１８】
【発明の効果】
本発明では、床板に穿設した取付孔に貫通金具を固定し、この貫通金具と洗面台，流し台，浴室，トイレ等に設けた止水栓の間に鞘管を配設し、湯，水用の各ヘッダと前記止水栓を接続する通水管を、床板の下部から貫通金具，鞘管内に挿通した通水管の接続構造において、前記貫通金具と通水管との間にはその隙間を調節するためのスペーサを装着可能としたので、通水時，止水時の鞘管内での通水管の振動及び異常音の発生を防止することができ、居住者に不快感を与えることがない。
【００１９】
またスペーサは、貫通金具に挿通する外径の異なる通水管に応じて入れ替え可能にしたので、通水管が多種類あってもスペーサを入れ替えれば貫通金具の内径を変更でき、一つの貫通金具で多種類の通水管に対応することができ、作業性が著しく向上する。
【図面の簡単な説明】
【図１】本発明による通水管の接続構造の説明図である。
【図２】図１の貫通金具の要部説明図で、スペーサを装着した状態である。
【図３】図１の貫通金具の要部説明図で、スペーサを外した状態である。
【図４】従来技術の説明図である。
【符号の説明】
１洗面台
１３通水管
１５床板
１６取付孔
１７鞘管
１８止水栓
２０貫通金具
３７スペーサ[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a structure for connecting hot water pipes and pipes for water piped under a floor, behind a wall, etc., to stop cocks such as a wash basin, a sink, a bathroom, and a toilet.
[0002]
[Prior art]
In general, when installing water supply and hot water supply pipes to wash basins, sinks, bathrooms, toilets, etc. in apartment houses, detached houses, etc., between the headers and faucets of hot water and water during the construction of the building frame A bellows-like sheath pipe is placed in an octopus foot shape under the floor or behind the wall, and a sheath pipe construction method in which a water supply pipe or a hot water supply pipe is inserted into the sheath pipe at the time of facility construction is performed. This example will be briefly described with reference to FIG. 4. A bellows-like sheath tube 50 is disposed below the floor board 51 and fixed so as not to move, and the floor board 51 is attached to the top board 56 of the washstand 55. A through metal fitting 52 is fixed on the same vertical line as the water faucet 57 and hot water / water connecting pipe 58, and a water pipe 53 formed of a synthetic resin such as polybutene or polyethylene pipe is later formed into a sheath pipe 50 and a through metal fitting. 52, one of the water pipes 53 is connected to a hot water supply header and a water supply header (both not shown) on the floor, and the other is connected to a water stop cock 54 by covering the upper portion of the through metal fitting 52 with a sheath pipe 50. The hot water and water that have passed through the water conduit 53 are supplied from the stop cock 54 to the faucet 57 via the connecting pipe 58, and hot water is supplied from the water discharge pipe 59 of the faucet 57.
[0003]
In the above, the water pipe is only inserted through the through metal fitting and is not supported, and is connected to a water stop cock at a high position on the floor in an unstable state. Because there is a gap between the inner peripheral surface of the tube and the sheath tube, it occurs when hot water or water passes through the water pipe or when the flow of hot water or water in the tube stops suddenly. Due to the water hammer phenomenon, the water pipe collides with the inner peripheral surface of the sheath pipe and a large abnormal noise is generated, which makes the residents uncomfortable.
[0004]
[Problems to be solved by the invention]
The problem to be solved by the present invention is a water pipe connecting a water pipe connecting each header for hot water and water and a water stop cock to a through fitting fixed to a floor plate and a water pipe connecting structure in a sheath pipe. , It is to prevent the generation of abnormal noise by preventing the water pipe from vibrating in the through metal fittings and the sheath pipe at the time of water stoppage.
[0005]
[Means for Solving the Problems]
In the first aspect of the present invention, a through metal fitting is fixed to a mounting hole drilled in a floor plate, and a sheath tube is disposed between the through metal fitting and a stop cock provided in a wash basin, a sink, a bathroom, a toilet, and the like. In the connecting structure of the water pipe, the water pipe connecting the water faucet and each header for hot water and water from the lower part of the floor plate into the through metal fitting and the sheath pipe, between the through metal fitting and the water pipe a spacer for adjusting the gap is obtained by a mountable.
[0006]
According to a second aspect of the present invention, the spacer is replaceable according to the water pipes having different outer diameters that are inserted into the through metal fittings.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
In the present invention, as shown in FIG. 1, a wash basin 1 of a wash basin, a sink, a bathroom, a toilet, etc. is installed with a back face along a wall 2, a faucet 3 composed of a hot and cold water mixing faucet, and the faucet 3 A top plate 7 to which the top plate 7 is mounted, a cabinet 9 on which the top plate 7 is mounted, and a wash bowl 10 fixed to the front surface of the top plate 7 are provided. A drain outlet 11 is provided at the bottom of the wash bowl 10 to provide a cabinet. The hot water accumulated in the wash bowl 10 is discharged to the outside by the water distribution pipe 12 arranged inside the main body 9.
[0008]
The faucet 3 is inserted into the mounting hole 8 formed in the top plate 7 with the male screw portion 4 extending downward, and the fixing nut 5 is screwed into the male screw portion 4 from the inside of the cabinet 9 below the top plate 7. In this way, it is fixed to the top plate 7, and the lower part of the male screw part 4 can be bent easily such as resin or rubber, and is a connecting pipe for hot and water made of a material having excellent pressure resistance and heat resistance. 6 is connected.
[0009]
The hot water and water flow pipes 13 are formed of a synthetic resin polybuden or polyethylene pipe which can be easily bent, and the outer peripheral surface is covered with the covering material 14 so that it does not come into contact with the outside to be damaged. Under the floor board 15, it is covered with the sheath tube 17 by being pushed into the bellows-shaped sheath tube 17 provided in advance during the building construction of the building, and is protected from the outside. And each header of water (both not shown), the downstream side is bent in the vertical direction toward the inside of the cabinet 9, and is inserted into a through metal fitting 20 described later fixed to a mounting hole 16 drilled in the floor plate 15, A water stop cock 18 that enables hot water, water stoppage and water flow to the faucet 3 by rotating the handle 19 is attached to the tip, and the upper part of the water stop cock 18 is connected to the connecting pipe 6. Connected.
[0010]
As shown in FIG. 2, the through metal fitting 20 is configured such that a lower member 21 and an upper member 28 are overlapped with each other and fixed to the floor plate 15 with screws 27, and a spacer 37 is provided between the members 21 and 28. It can be attached or removed as shown in FIG.
[0011]
The lower member 21 is formed in a substantially cylindrical shape having a through hole 22 having an inner diameter through which the water pipe 13 can be inserted, and the lower end of the through hole 22 covers the water pipe 13 when the water pipe 13 is inserted from below. An annular insertion surface 23 is formed so that the lower inner diameter is larger than the through-hole 22 and the tip is an acute angle so that the covering material 14 can be smoothly inserted without being turned up. The upper flange portion 24 that has a large diameter surface and is hooked on the periphery of the mounting hole 16 of the floor plate 15 so as to face the upper and lower sides is formed. The upper flange portion 24 is formed with an annular tapered surface 25 inclined so that the lower portion has a small diameter between the upper flange portion 24 and the tapered spacer 25 allows a lower spacer 38 to be described later to be placed in the through hole 22. When inserted, the lower member 21 can be supported. Further, on the peripheral surface of the upper flange portion 24, a screw hole 26 formed in the lower flange portion 29 of the upper member 28 and a screw hole 26 facing vertically is formed, and the screw hole 30 of the upper member 28 and the The screw holes 26 of the member 21 are faced up and down so that the members 21 and 28 can be fixed to the floor plate 15 with screws 27.
[0012]
The upper member 28 is substantially cylindrical with a slightly larger diameter than the lower member 21, and a small-diameter hole 32 into which a water pipe 13 is inserted and a spacer 37 described later is inserted below the inner through-hole 31. A tapered surface 33 is formed at the lower end of the small-diameter hole 32 so as to face the tapered surface 25 of the lower member 21 so that the lower portion has a large diameter. A large-diameter hole 34 that can be fitted with a sheath tube 17 that covers and protects is formed, and an engaging claw 35 that protrudes annularly toward the inside protrudes at the upper end of the large-diameter hole 34, and this engaging claw 35 is large. It bites into the peripheral wall of the sheath tube 17 inserted in the diameter hole 34, and the sheath tube 17 can be prevented from coming off.
[0013]
The spacer 37 is mounted when there is a wide gap between the members 21 and 28 of the through metal fitting 20 and the water pipe 13 when the water pipe 13 is inserted through the through metal fitting 20. Several types of spacers having different inner diameters are formed of cylindrical lower spacers 38 and upper spacers 42 that are mounted on both upper and lower sides with a packing 36 for preventing leakage of water to the lower part of the floor plate 15 tightly sandwiched between the upper members 28. A spacer having an inner diameter slightly larger than the outer diameter of the water pipe is selected and mounted in accordance with the water pipe to be used.
[0014]
The lower spacer 38 can be mounted on the inner peripheral side of the lower member 21 of the through metal fitting 20, and the lower peripheral surface of the insertion hole 39 through which the water pipe 13 is inserted has a lower end so that the water pipe 13 can be easily inserted from below. The insertion surface 40 is formed to have a large diameter and the tip is acute, and a flange 41 is formed on the outer peripheral surface at the top, and the flange 41 is hooked on the tapered surface 25 of the lower member 21. The lower member 21 is prevented from falling.
[0015]
The upper spacer 42 has an insertion hole 43 having the same diameter as the insertion hole 39 of the lower spacer 38 inside, and protrudes from the outer periphery of the lower portion to form a flange portion 44, and the flange portion 44 is formed on the tapered surface 33 of the upper member 28. It is hanging.
[0016]
In order to fix the through metal fitting 20 to the floor plate 15, first, the lower member 21 is fitted into the mounting hole 16 of the floor plate 15 from above. Next, the outer diameter of the water pipe 13 through which the through metal fitting 20 is passed is confirmed in advance, and if a large gap is formed between the through metal fitting 20, the spacer 37 is selected to prevent the gap from being selected. Of the spacers 37, first, the lower spacer 38 is inserted into the through hole 22 of the lower member 21 from the upper part of the floor plate 15. At this time, the flange portion 41 formed on the upper outer peripheral surface of the lower spacer 38 is supported by the tapered surface 25 of the lower member 21 and does not fall downward from the lower member 21. The packing 36 for preventing water leakage, the upper spacer 42, and the upper member 28 are placed on the upper surfaces of the lower spacer 38 and the lower member 21 in this order, and the screws 27 are inserted into the screw holes 30 of the upper member 28, thereby screw holes in the lower member 21. If it is screwed to 26, the through metal fitting 20 is fixed to the floor plate 15.
[0017]
In order to connect the water pipe 13 inserted into the sheath pipe 17 disposed below the floor board 15 to the stop cock 18 communicating with the water tap 3 attached to the wash basin 1, In the through-holes 22 and 31 of the through-metal fitting 20 fixed to 15, the tip of the water pipe 13 is raised from the bottom of the floor plate 15 in the vertical direction and inserted. In this case, if the gap between the water pipe 13 and the through holes 22 and 31 of the through metal fitting 20 is wide, the water pipe 13 vibrates violently in the sheath pipe 17 at the time of water flow and at the time of water stop. If the spacer 37 is mounted inside the through metal fitting 20 and the gap is small, the spacer 37 may not be mounted as shown in FIG. Further, the lower member 21 and the lower spacer 38 of the through metal fitting 20 are respectively formed with insertion surfaces 23 and 40 at the lower end to widen the outer diameter of the inlet, so that the water conduit 13 can be inserted smoothly without being caught. The covering material 14 of the water pipe 13 is not damaged.
[0018]
【The invention's effect】
In the present invention, a through metal fitting is fixed to a mounting hole drilled in a floor plate, and a sheath pipe is provided between the through metal fitting and a stop cock provided in a wash basin, a sink, a bathroom, a toilet, etc. In the water pipe connecting structure where the water pipe connecting each header and the water stop cock is inserted into the through metal fitting and the sheath pipe from the bottom of the floor plate, the gap is adjusted between the through metal fitting and the water pipe Since the spacer for mounting can be mounted, the vibration of the water pipe and the generation of abnormal noise in the sheath pipe at the time of water flow and at the time of water stop can be prevented, and the occupant is not uncomfortable.
[0019]
In addition, since the spacers can be replaced according to the water pipes with different outer diameters inserted through the through metal fittings, the inner diameter of the through metal fittings can be changed by replacing the spacers even if there are many types of water pipes. It can cope with various kinds of water pipes, and workability is remarkably improved.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of a water pipe connection structure according to the present invention.
FIG. 2 is an explanatory diagram of a main part of the through metal fitting in FIG.
3 is an explanatory view of a main part of the through metal fitting of FIG. 1, with a spacer removed. FIG.
FIG. 4 is an explanatory diagram of the prior art.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Wash basin 13 Water flow pipe 15 Floor board 16 Mounting hole 17 Sheath pipe 18 Stop cock 20 Through metal fitting 37 Spacer

Claims

床板に穿設した取付孔に貫通金具を固定し、この貫通金具と洗面台，流し台，浴室，トイレ等に設けた止水栓の間に鞘管を配設し、湯，水用の各ヘッダと前記止水栓を接続する通水管を、床板の下部から貫通金具，鞘管内に挿通した通水管の接続構造において、前記貫通金具と通水管との間にはその隙間を調節するためのスペーサを装着可能としたことを特徴とする通水管の接続構造。A through metal fitting is fixed to a mounting hole drilled in the floor board, and a sheath tube is arranged between the through metal fitting and a water stop cock provided in a wash basin, a sink, a bathroom, a toilet, etc., and each header for hot water and water In the water pipe connecting structure in which the water pipe connecting the water stop cock is inserted into the through metal fitting and the sheath pipe from the bottom of the floor plate, a spacer for adjusting the gap between the through metal fitting and the water pipe Water pipe connection structure, characterized in that it can be installed.

前記スペーサは、貫通金具に挿通する外径の異なる通水管に応じて入れ替え可能にしたことを特徴とする請求項１記載の通水管の接続構造。 The water pipe connection structure according to claim 1, wherein the spacer is replaceable according to water pipes having different outer diameters that are inserted through the through metal fittings.