JP4379777B2 - Drainage pipe device - Google Patents

Drainage pipe device Download PDF

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Publication number
JP4379777B2
JP4379777B2 JP2003097908A JP2003097908A JP4379777B2 JP 4379777 B2 JP4379777 B2 JP 4379777B2 JP 2003097908 A JP2003097908 A JP 2003097908A JP 2003097908 A JP2003097908 A JP 2003097908A JP 4379777 B2 JP4379777 B2 JP 4379777B2
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JP
Japan
Prior art keywords
drainage
pipe
shaped trap
lead
diameter portion
Prior art date
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Expired - Lifetime
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JP2003097908A
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Japanese (ja)
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JP2004300879A (en
Inventor
信寛 穴沢
歩 手塚
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Sun Wave Corp
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Sun Wave Corp
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Priority to JP2003097908A priority Critical patent/JP4379777B2/en
Publication of JP2004300879A publication Critical patent/JP2004300879A/en
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Description

【0001】
【発明の属する技術分野】
本発明は、排水が排水投入側管路より投入されるS字状トラップの導出端が、該導出端の内径よりの小さい内径を有する排出管路と接続されている排水管路装置に関する。
【0002】
【従来の技術】
従来、洗面台等の下部に設けたS字状トラップを設けた排水管路装置は、特許文献1の「排水トラップ」に記載の如く周知である。図5は前記特許文献1に記載のS字状トラップ部を有する排水管路装置の部分側断面図を示したもので、排水投入側管路より排水が第1下降部01、上昇部02及び第2下降部03から成るS字状トラップ04を経て、S字状トラップ04の導出部05と接続された図示しない排出管路へと流れて排出される。そしてこのS字状トラップ04の封水部06のところで下水側からの臭気が逆流しないようにしている。
【0003】
このような排水管路装置において、例えば、洗面台に溜めてある水を、栓をあけて一気に排水した場合に、溜め水がS字状トラップ04に排出された直後にズルーないしゴボゴボといった異音の発生を防止するために、第2下降部03の上部に凸部07を設け、第2下降部03内にピストン状の下降水流が発生しないようにしたものが知られていた(特許文献1参照)。
【0004】
【特許文献1】
特開平8−333784号公報(図1)
【0005】
【発明が解決しようとする課題】
上記特許文献1に記載の排水トラップは、そのS字状トラップの導出端が、該導出端の内径とほぼ等しいか大きい内径を有する排出管を使用する場合には問題がないが、近年、S字状トラップの導出端と接続される排出管路が低コスト化の影響を受けて細径化傾向にあり、S字状トラップの導出端の内径より小さい内径を有する排出管を使用する場合は、排水がスムーズに行われず異音の発生が避けられなかった。
【0006】
本発明は、このような状況に鑑みてなされたものであり、S字状トラップの導出端の内径より小さい内径を有する排出管を使用する場合であっても、排水をスムーズに行って異音の発生を極力抑えた排水管路装置を提供することを目的とするものである。
【0007】
【課題を解決するための手段】
上記課題を解決するために、本発明の排水管路装置は、排水が排水投入側管路より投入されるS字状トラップの導出側となる第3垂直管の導出端が拡径部で構成され、該導出端の内径より小さい内径を有する排出管路と接続されている排水管路装置であって、前記拡径部上部の第3垂直管先端内壁面に排水を排出管路に指向するエッジ部が形成されていることを特徴としている。
この特徴によれば、排水の大部分がエッジ部を介してスムーズに直接排出管路に導入することで、S字状トラップの導出端のところで排水が留まって、導出端より上流部でピストン状下降流を形成しやすくなることが防げるので、異音の発生が抑制できる。
【0009】
本発明の排水管路装置において、排水が排水投入側管路より投入されるS字状トラップの導出側となる第3垂直管の導出端が拡径部で構成され、該導出端の内径より小さい内径を有する排出管路と接続されている排水管路装置であって、前記拡径部内に排水を排出管路に指向する漏斗体が設けられていることを特徴としている。
このようにすれば、漏斗体を設けることで排水がスムーズに排出管路に流れるので、S字状トラップの導出端のところに排水が留まることが防げる。
【0010】
【発明の実施の形態】
本発明の実施形態について図面を参照して説明する。
【0011】
図1は本発明の一実施形態に係る排水管路装置をシンク排水口に適用した流し台の断面側面図、図2は排水管路装置の一部を構成するS字状トラップの断面図、図3はS字状トラップへの導入部に投入される排水の状態を示す作用説明図である。
【0012】
図1に示す2は例えばキッチン流し台であって、このキッチン流し台2は、天板5の一部にシンク4が設けられていて、シンク4後方の上面には水道の蛇口6が臨むように配置されシンク4底面の一部に設けられた排水口8には、排水投入側管路となる大径管状の排水口本体10が設けられ、排水口本体10の底面排水口には継手12aを介してS字状トラップ1の導入部を構成する屈曲導入管18と液密に接続されると共に、S字状トラップ1の拡径部30の下端開口には継手12bを介して排水出口側管路となる蛇腹状の排水用ホース14が接続されている。
【0013】
S字状トラップ1は、図2に示すように、導入部となる屈曲導入管18と、これに連なる第1垂直管24と、この第1垂直管24より180度右側に湾曲して上方を向く下部湾曲部20と、この下部湾曲部20から上方に立ち上げられ、第1垂直管24と平行に近接配置されている第2垂直管25と、この第2垂直管25の上方にて180度右側に湾曲して下方に向く上部湾曲部22と、この上部湾曲部22の下方に第2垂直管25と平行に近接配置されて延びる第3垂直管26とにより構成され、第1垂直管24と下部湾曲部20と第2垂直管25とで封水部Hが形成されている。
【0014】
そして、第3垂直管26の下方には拡径部30が形成され、この拡径部30には蛇腹状の排水用ホース14が接続している。そして、拡径部30の内径30aに比し排水用ホース14内径が小径に形成されている排水用ホース14を使用する場合、拡径部30の外径に螺合される継手となる大径ナット12bによって係止されるスリーブ28を介して排水用ホース14は接続される。
【0015】
更に、拡径部30上部の第3垂直管26の先端内壁面には、排水Wを下方の排水用ホース14側に向けて流すことができるように環状エッジ部26aが形成されている。
【0016】
段付きスリーブ28は、図3に示すように、大径部28aと小径部28bからなる段突き構造であり、大径部28aはその先端が拡径部30下端に嵌挿され、小径部28bには排水用ホース14が外嵌している。
【0017】
そこで、拡径部30の下端に排水用ホース14を接続する際は、先ず、拡径部30下端の開口内部に段付きスリーブ28の大径部28aを挿嵌し、小径部28b側から挿通した大径ナット12bを拡径部30外周に形成されたねじ部30bに螺合した後、これを締付けて段付きスリーブ28を下方から上方に向けて押圧し、拡径部30の下端と大径部28aに形成した両者のテーパ部を互いに密着させて密封を保つ。この状態で大径ナット12bの下端から突出している段付きスリーブ28の小径部28bに排水用ホース14が外嵌固定される。
【0018】
次に、上記のように構成された本発明の排水管路装置の作用に付き図3を参照して以下に説明する。
【0019】
先ず、キッチン流し台2のシンク4底面の排水口8を封鎖した図示しない栓体を開放することで、貯留されていたシンク4内の排水Wが排水口8から一気に排出され、排水口本体10からS字状トラップ1内を介して拡径部30側に流下する。
【0020】
拡径部30側に向かって流下した排水Wは、第3垂直管26の先端内壁面に形成した環状エッジ部26aによって点線で示されるように段付きスリーブ28の小径部28b内径部に向けて指向する。
【0021】
従って、排水Wの大部分が直接排水用ホース14に導入することで、S字状トラップ1の拡径部30に排水Wが留ることがなく、この拡径部30より上流部においてピストン状下降流が形成し難くなるので、異音の発生を抑制することができる。
【0022】
次に、排水管路装置に係る他の実施形態に付き図4を参照して説明する。図4は他の実施形態に係る排水管路装置であって、S字状トラップへの導出部より排水される状態を示す作用説明図である。尚、上記実施形態で説明した構成部材と同一構成部材に付いては同一符号を付し重複する説明を省略する。
【0023】
本実施形態では、上記実施形態における環状エッジ部26aに代えて、その部位に漏斗体34を設けたものである。
【0024】
すなわち、図4において符号34は漏斗体であって、この漏斗体34は、上端外周に形成された大径外周には雄ねじ34aが螺設されると共に、大径円柱部の下方には先細のテーパ状の絞り管34bとして形成されている。そして、拡径部30の上部内壁面には、漏斗体34の雄ねじ34aが螺合できる雌ねじ30cが螺設されている。
【0025】
この雌ねじ30cに漏斗体34上部の雄ねじ34aを螺着することで、第3垂直管26の先端内壁面から漏斗体34を介して排水が排水用ホース14に指向して円滑に流下することができ、拡径部30に排水が溜まることがない。
【0026】
従って、本実施形態における作用は前記実施形態と同じ作用となり、S字状トラップ1を通過した排水Wが排水用ホース14に指向して円滑に流下するので、S字状トラップの導出端となる拡径部30の内部空間に排水Wが留まることを防ぐことができる。
【0027】
尚、漏斗体34を拡径部30内に設けているが、これに限らず、例えば、段付きスリーブ28を上方に漏斗状に延在させてもよい。
【0028】
【発明の効果】
本発明は以下の効果を奏する。
【0029】
(a)請求項1項の発明によれば、排水の大部分がエッジ部を介してスムーズに直接排出管路に導入することで、S字状トラップの導出端のところで排水が留まって、導出端より上流部でピストン状下降流を形成しやすくなることが防げるので、異音の発生が抑制できる。
【0030】
(b)請求項2項の発明によれば、漏斗体を設けることで排水がスムーズに排出管路に流れるので、S字状トラップの導出端のところに排水が留まることが防げる。
【図面の簡単な説明】
【図1】本発明の一実施形態に係る排水管路装置をシンク排水口に適用した流し台の断面側面図である。
【図2】排水管路装置の一部を構成するS字状トラップの断面図である。
【図3】S字状トラップへの導入部に投入される排水の状態を示す作用説明図である。
【図4】他の実施形態に係る排水管路装置であって、S字状トラップの導出部より排水される状態を示す作用説明図である。
【図5】S字状トラップ部を有する従来の排水管路装置の部分側断面図である。
【符号の説明】
1 S字状トラップ
2 キッチン流し台
4 シンク
5 天板
6 蛇口
8 排水口
10 排水口本体
12a 継手
12b 継手(大径ナット)
14 排水用ホース
18 屈曲導入管
20 下部湾曲部
22 上部湾曲部
24 第1垂直管
25 第2垂直管
26 第3垂直管
26a 環状エッジ部
28 段付きスリーブ
28a 大径部
28b 小径部
30 拡径部
30a 内径
30b ねじ部
30c 雌ねじ
34 漏斗体
34a 雄ねじ
34b 絞り管
H 封水部
W 排水
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a drainage pipe device in which an outlet end of an S-shaped trap into which drainage is introduced from a drainage inlet side pipe is connected to a discharge pipe having an inner diameter smaller than the inner diameter of the outlet end.
[0002]
[Prior art]
Conventionally, a drainage pipe device provided with an S-shaped trap provided in a lower part of a washstand or the like is well known as described in “Drainage trap” of Patent Document 1. FIG. 5 shows a partial cross-sectional side view of the drainage pipe device having the S-shaped trap part described in Patent Document 1, and the drainage from the drainage side pipe is first lowered part 01, ascending part 02 and After passing through the S-shaped trap 04 composed of the second descending portion 03, it flows to a discharge pipe (not shown) connected to the lead-out portion 05 of the S-shaped trap 04 and is discharged. And the odor from the sewage side is prevented from flowing back at the sealing portion 06 of the S-shaped trap 04.
[0003]
In such a drainage pipe device, for example, when the water stored in the washstand is drained all at once by opening the stopper, an abnormal noise such as sluo or gobogobo immediately after the stored water is discharged into the S-shaped trap 04 In order to prevent the occurrence of the above, a projecting portion 07 is provided on the upper portion of the second descending portion 03 so that the piston-like downward precipitation flow is not generated in the second descending portion 03 (Patent Document 1). reference).
[0004]
[Patent Document 1]
JP-A-8-333784 (FIG. 1)
[0005]
[Problems to be solved by the invention]
The drain trap described in Patent Document 1 has no problem when a discharge pipe having an inner diameter substantially equal to or larger than the inner diameter of the leading end of the S-shaped trap is used. When the discharge pipe connected to the lead-out end of the trapezoidal trap tends to be reduced in diameter due to the effect of cost reduction, and a discharge pipe having an inner diameter smaller than the inner diameter of the lead-out end of the S-shaped trap is used Drainage was not performed smoothly, and abnormal noise was unavoidable.
[0006]
The present invention has been made in view of such a situation, and even when a discharge pipe having an inner diameter smaller than the inner diameter of the lead-out end of the S-shaped trap is used, drainage is smoothly performed and noise is generated. An object of the present invention is to provide a drainage pipe device that suppresses generation of water as much as possible.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the drainage pipe device of the present invention is configured such that the leading end of the third vertical pipe serving as the leading side of the S-shaped trap into which drainage is fed from the draining side pipe is constituted by an enlarged diameter portion. is, a drain line device connected to the discharge line having a smaller inner diameter inside diameter of the conductor Extension end, directed to the discharge line to the waste water in the third vertical tube tip inner wall surface of the enlarged diameter portion upper An edge portion is formed .
According to this feature, most of the drainage is smoothly introduced directly into the discharge pipe via the edge portion , so that the drainage stays at the lead-out end of the S-shaped trap, and the piston-like shape is upstream of the lead-out end. Since it is possible to prevent the downward flow from being easily formed, the generation of abnormal noise can be suppressed.
[0009]
In the drainage pipe device of the present invention, the lead-out end of the third vertical pipe on the lead-out side of the S-shaped trap into which drainage is thrown in from the drainage-inlet side pipe is constituted by the enlarged diameter portion, and from the inner diameter of the lead-out end A drainage pipe device connected to a discharge pipe having a small inner diameter, wherein a funnel body for directing drainage to the discharge pipe is provided in the enlarged diameter portion.
In this way, by providing the funnel body, the drainage smoothly flows into the discharge pipe, so that the drainage can be prevented from staying at the outlet end of the S-shaped trap.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described with reference to the drawings.
[0011]
FIG. 1 is a cross-sectional side view of a sink in which a drain pipe device according to an embodiment of the present invention is applied to a sink drain port, and FIG. 2 is a cross-sectional view of an S-shaped trap constituting a part of the drain pipe device. 3 is an operation explanatory view showing the state of the wastewater introduced into the introduction part to the S-shaped trap.
[0012]
1 is, for example, a kitchen sink. The kitchen sink 2 is provided with a sink 4 on a part of the top 5 and a water faucet 6 on the upper surface behind the sink 4. The drain port 8 provided in a part of the bottom surface of the sink 4 is provided with a large-diameter tubular drain port main body 10 serving as a drain input side conduit, and the bottom drain port of the drain port main body 10 is connected through a joint 12a. In addition, it is liquid-tightly connected to the bent lead-in pipe 18 constituting the introduction part of the S-shaped trap 1, and the drain outlet side pipe line is connected to the lower end opening of the enlarged diameter part 30 of the S-shaped trap 1 via a joint 12 b. A bellows-like drainage hose 14 is connected.
[0013]
As shown in FIG. 2, the S-shaped trap 1 is bent to the right by 180 degrees from the first vertical pipe 24 and the first vertical pipe 24 connected to the bent introduction pipe 18 serving as an introduction portion, and the upper side thereof. The lower curved portion 20 facing, a second vertical tube 25 that rises upward from the lower curved portion 20 and is arranged close to and parallel to the first vertical tube 24, and 180 above the second vertical tube 25. An upper curved portion 22 that is curved rightward and directed downward, and a third vertical tube 26 that extends below and is disposed in parallel with the second vertical tube 25 below the upper curved portion 22. 24, the lower curved portion 20, and the second vertical pipe 25 form a sealed portion H.
[0014]
An enlarged diameter portion 30 is formed below the third vertical pipe 26, and a bellows-like drainage hose 14 is connected to the enlarged diameter portion 30. And when using the drainage hose 14 in which the inside diameter of the drainage hose 14 is smaller than the inside diameter 30 a of the diameter-enlarged portion 30, the large-diameter becomes a joint that is screwed to the outside diameter of the diameter-enlarged portion 30. The drainage hose 14 is connected through a sleeve 28 locked by the nut 12b.
[0015]
Furthermore, an annular edge portion 26 a is formed on the inner wall surface at the tip of the third vertical pipe 26 above the enlarged diameter portion 30 so that the drainage W can flow toward the drainage hose 14 below.
[0016]
As shown in FIG. 3, the stepped sleeve 28 has a stepped structure comprising a large diameter portion 28a and a small diameter portion 28b. The large diameter portion 28a is inserted into the lower end of the large diameter portion 30 and the small diameter portion 28b. A drainage hose 14 is externally fitted.
[0017]
Therefore, when connecting the drainage hose 14 to the lower end of the enlarged diameter portion 30, first, the large diameter portion 28a of the stepped sleeve 28 is inserted into the opening at the lower end of the enlarged diameter portion 30 and inserted from the small diameter portion 28b side. The large-diameter nut 12b is screwed into the threaded portion 30b formed on the outer periphery of the enlarged-diameter portion 30, and then tightened to press the stepped sleeve 28 upward from below, so that the lower end of the enlarged-diameter portion 30 is large. The two tapered portions formed on the diameter portion 28a are brought into close contact with each other to keep the seal. In this state, the drainage hose 14 is fitted and fixed to the small diameter portion 28b of the stepped sleeve 28 protruding from the lower end of the large diameter nut 12b.
[0018]
Next, the operation of the drainage pipe device of the present invention configured as described above will be described below with reference to FIG.
[0019]
First, by opening a plug body (not shown) that seals the drain port 8 on the bottom surface of the sink 4 of the kitchen sink 2, the stored waste water W in the sink 4 is discharged from the drain port 8 at a stretch. It flows down to the enlarged diameter portion 30 side through the S-shaped trap 1.
[0020]
The drainage W flowing down toward the enlarged diameter portion 30 is directed toward the inner diameter portion of the small diameter portion 28b of the stepped sleeve 28 as indicated by a dotted line by an annular edge portion 26a formed on the inner wall surface of the tip of the third vertical pipe 26. Orient.
[0021]
Therefore, when most of the waste water W is directly introduced into the drain hose 14, the waste water W does not stay in the enlarged diameter portion 30 of the S-shaped trap 1, and the piston shape is upstream of the enlarged diameter portion 30. Since it becomes difficult to form a downward flow, the occurrence of abnormal noise can be suppressed.
[0022]
Next, another embodiment according to the drain pipe device will be described with reference to FIG. FIG. 4 is a drainage pipe device according to another embodiment, and is an operation explanatory view showing a state in which water is drained from the lead-out portion to the S-shaped trap. In addition, about the same component as the component demonstrated in the said embodiment, the same code | symbol is attached | subjected and the overlapping description is abbreviate | omitted.
[0023]
In this embodiment, it replaces with the annular edge part 26a in the said embodiment, and the funnel body 34 is provided in the site | part.
[0024]
That is, in FIG. 4, reference numeral 34 denotes a funnel body. The funnel body 34 is provided with a male screw 34 a on the outer periphery of the large diameter formed on the outer periphery of the upper end and a tapered portion below the large diameter cylindrical portion. It is formed as a tapered throttle tube 34b. A female screw 30 c that can be screwed into the male screw 34 a of the funnel body 34 is screwed to the upper inner wall surface of the enlarged diameter portion 30.
[0025]
By screwing the male screw 34a at the top of the funnel body 34 into the female screw 30c, the drainage can smoothly flow from the inner wall surface of the tip of the third vertical pipe 26 toward the drainage hose 14 via the funnel body 34. The drainage does not collect in the enlarged diameter portion 30.
[0026]
Therefore, the operation in this embodiment is the same as that in the above embodiment, and the drainage W that has passed through the S-shaped trap 1 flows smoothly toward the drainage hose 14, so that it becomes the lead-out end of the S-shaped trap. It is possible to prevent the waste water W from remaining in the internal space of the enlarged diameter portion 30.
[0027]
In addition, although the funnel body 34 is provided in the enlarged diameter part 30, it is not restricted to this, For example, you may extend the stepped sleeve 28 upwards in the shape of a funnel.
[0028]
【The invention's effect】
The present invention has the following effects.
[0029]
(A) According to the invention of claim 1, since most of the drainage is smoothly and directly introduced into the discharge pipe via the edge portion , the drainage stays at the lead-out end of the S-shaped trap and is led out. Since it is possible to prevent the piston-like downward flow from being easily formed in the upstream portion from the end, generation of abnormal noise can be suppressed.
[0030]
(B) According to the invention of claim 2 , since the drainage flows smoothly into the discharge pipe by providing the funnel body, the drainage can be prevented from staying at the outlet end of the S-shaped trap.
[Brief description of the drawings]
FIG. 1 is a sectional side view of a sink in which a drain pipe device according to an embodiment of the present invention is applied to a sink drain port.
FIG. 2 is a cross-sectional view of an S-shaped trap constituting a part of the drainage pipe device.
FIG. 3 is an operation explanatory view showing a state of drainage introduced into an introduction portion to an S-shaped trap.
FIG. 4 is a drainage pipe device according to another embodiment, and is an operation explanatory view showing a state in which water is drained from a lead-out portion of an S-shaped trap.
FIG. 5 is a partial side sectional view of a conventional drainage pipe device having an S-shaped trap portion.
[Explanation of symbols]
1 S-shaped trap 2 Kitchen sink 4 Sink 5 Top plate 6 Faucet 8 Drain port 10 Drain port body 12a Joint 12b Joint (large diameter nut)
14 Drainage hose 18 Bent introduction pipe 20 Lower curved part 22 Upper curved part 24 First vertical pipe 25 Second vertical pipe 26 Third vertical pipe 26a Annular edge part 28 Stepped sleeve 28a Large diameter part 28b Small diameter part 30 Large diameter part 30a Inner diameter 30b Threaded part 30c Female thread 34 Funnel body 34a Male thread 34b Throttle tube H Sealed part W Drainage

Claims (2)

排水が排水投入側管路より投入されるS字状トラップの導出側となる第3垂直管の導出端が拡径部で構成され、該導出端の内径より小さい内径を有する排出管路と接続されている排水管路装置であって、前記拡径部上部の第3垂直管先端内壁面に排水を排出管路に指向するエッジ部が形成されていることを特徴とする排水管路装置。 The lead-out end of the third vertical pipe, which is the lead-out side of the S-shaped trap through which drainage is introduced from the drain-inlet side pipe line , is configured with an enlarged diameter portion and is connected to a discharge pipe line having an inner diameter smaller than the inner diameter of the lead-out end The drainage pipe device is characterized in that an edge portion for directing drainage to the discharge pipe is formed on the inner wall surface of the tip of the third vertical pipe at the upper part of the enlarged diameter portion . 排水が排水投入側管路より投入されるS字状トラップの導出側となる第3垂直管の導出端が拡径部で構成され、該導出端の内径より小さい内径を有する排出管路と接続されている排水管路装置であって、前記拡径部内に排水を排出管路に指向する漏斗体が設けられていることを特徴とする排水管路装置。 The lead-out end of the third vertical pipe, which is the lead-out side of the S-shaped trap through which drainage is introduced from the drain-inlet side pipe line, is configured with an enlarged diameter portion and is connected to a discharge pipe line having an inner diameter smaller than the inner diameter of the lead-out end A drainage pipe device, wherein a funnel body for directing drainage to a drainage pipe is provided in the enlarged diameter portion .
JP2003097908A 2003-04-01 2003-04-01 Drainage pipe device Expired - Lifetime JP4379777B2 (en)

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JP4379777B2 true JP4379777B2 (en) 2009-12-09

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Publication number Priority date Publication date Assignee Title
JP5443011B2 (en) * 2009-02-09 2014-03-19 タキロン株式会社 Drainage pipe structure
JP6488456B2 (en) * 2014-09-01 2019-03-27 丸一株式会社 Tube trap and method of manufacturing tube trap

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