JP2009167769A

JP2009167769A - Hair catcher

Info

Publication number: JP2009167769A
Application number: JP2008010427A
Authority: JP
Inventors: Takatomo Ito; 孝友伊藤; Naoshi Yukimori; 直志行森
Original assignee: Yamaha Living Tech Co Ltd
Current assignee: Yamaha Living Tech Co Ltd
Priority date: 2008-01-21
Filing date: 2008-01-21
Publication date: 2009-07-30
Anticipated expiration: 2028-01-21
Also published as: JP4709233B2

Abstract

PROBLEM TO BE SOLVED: To provide a hair catcher which dispenses with the installation of a special structure in a drain trap equipped with the hair catcher, and which enables the easy removal of captured hairs etc. SOLUTION: This hair catcher 10 includes: a recessed temporary water retentive portion 20 with a lower drainage outflow portion 22, an upper drainage outflow portion 30 which brings about the outflow of the drainage overflowing from the temporary water retentive portion; vertical wall portions 52 and 54 which are arranged outside the upper drainage outflow portion 30 across an inflow port 56; an inclined portion 60 which is lowered eccentrically into the temporary water retentive portion 20 from outside the vertical wall portions 52 and 54 through the inflow port 56; and a flange portion 70 which has an inclination lowered toward the inflow port 56. The second vertical wall portion 54 is closer to a lowered position P1 of the inclined portion 60 than the first vertical wall portion 52. Downgrades G1% and G2% of flange portions of portions along the vertical wall portions 52 and 54 lowered toward the inflow portion 56, and a downgrade G3% of the inclined portion 60 satisfy the inequality: G2<G1<G3. COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、排水トラップに設けられるヘアキャッチャーに関する。 The present invention relates to a hair catcher provided in a drain trap.

浴室の排水トラップには、毛髪を主とするごみ等の異物を排水中から捕集するヘアキャッチャーが着脱可能に設けられている。また、ヘアキャッチャー外で発生させた渦流をヘアキャッチャー内に導入して異物をまとめるようにすることも行われている。 The bathroom drain trap is detachably provided with a hair catcher that collects foreign matters such as dust, mainly hair, from the drain. In addition, eddy currents generated outside the hair catcher are introduced into the hair catcher to collect foreign substances.

特許文献１には、漏斗型封水筒に設置する深型ヘアキャッチャー内に渦巻き水流を発生させる様に深型ヘアキャッチャーの外側に水向案内部を設けた排水口が記載されている。図８の（ａ）は漏斗型封水筒９０２及び水向案内部９０３を断面視して同文献に記載された排水口を示す側面図であり、同図（ｂ）は水向案内部９１３を一体化したヘアキャッチャー９１１を示す側面図である。
同図（ａ）の排水口は、封水筒９０２に排水量調節部品９０４を取り付けて封水筒９０２の穴径を小さくすることにより、水向案内部９０３による右回転の渦巻き水流を封水筒９０２内、すなわち、ヘアキャッチャー９０１外で発生させている。これにより、ヘアキャッチャー９０１内に渦巻き水流が発生するとされている。同排水口は、洗い場からの排水がヘアキャッチャー９０１全体に流入し、全排水が排水量調節部品９０４を通って少しずつ流下することになる。
また、同図（ｂ）の排水口は、ヘアキャッチャー９１１の外側面に水向案内部９１３を一体形成あるいは着脱可能に形成している。同排水口も、水向案内部９１３による右回転の渦巻き水流をヘアキャッチャー９１１外で発生させ、この渦巻き水流をヘアキャッチャー９１１内に導入している。 Patent Document 1 describes a drain outlet provided with a water direction guide portion on the outside of a deep hair catcher so as to generate a swirling water flow in a deep hair catcher installed in a funnel-type sealed water tube. (A) of FIG. 8 is a side view showing a drain outlet described in the same document in a cross-sectional view of the funnel-type sealing cylinder 902 and the water direction guide portion 903, and FIG. 8 (b) shows the water direction guide portion 913. It is a side view which shows the hair catcher 911 integrated.
The drain outlet of FIG. 6A is provided with a drainage amount adjusting component 904 attached to the sealing cylinder 902 to reduce the hole diameter of the sealing cylinder 902 so that the swirling water flow rotated clockwise by the water direction guide portion 903 is contained in the sealing cylinder 902. That is, it is generated outside the hair catcher 901. Thereby, it is supposed that a swirling water flow is generated in the hair catcher 901. In the drainage outlet, the wastewater from the washing place flows into the entire hair catcher 901, and the whole wastewater flows down little by little through the drainage amount adjusting component 904.
Moreover, the drain outlet of the same figure (b) forms the water direction guide part 913 in the outer surface of the hair catcher 911 so that it can form integrally or detachably. The drain outlet also generates a swirling water flow rotated clockwise by the water direction guide portion 913 outside the hair catcher 911 and introduces the swirling water flow into the hair catcher 911.

特許文献２には、排水桝の立面に設けた吐水口から浴槽排水を吐出するようにした排水構造が記載されている。図８（ｃ）は、同文献に記載された排水構造を示す斜視図である。この排水構造は、排水桝９２３の底面９２３ａの流入口９２４に対してヘアキャッチャー９２５が水平に取り付けられ、吐水口９２１からの浴槽排水の吐出方向が流入口９２４の中心を向いていない。このため、吐水口９２１から吐出された浴槽排水は、渦を描いて流入口９２４へ向かい、ヘアキャッチャー９２５を通過する。 Patent Document 2 describes a drainage structure in which bathtub drainage is discharged from a spout provided on an elevation surface of a drainage basin. FIG.8 (c) is a perspective view which shows the drainage structure described in the literature. In this drainage structure, the hair catcher 925 is attached horizontally to the inlet 924 of the bottom surface 923 a of the drainage basin 923, and the discharge direction of the bathtub drainage from the water outlet 921 does not face the center of the inlet 924. For this reason, the bathtub drainage discharged from the water discharge port 921 draws a vortex toward the inflow port 924 and passes through the hair catcher 925.

特許文献３には、キッチンのシンクに設けられた排水トラップが記載されている。図８（ｄ）は、同文献に記載された排水トラップ９３０を示す垂直断面図である。排水トラップ９３０は、水受椀部９３１ａや封水椀部９３１ｂや外周流路部９３１ｃを有するトラップ本体９３１、封水椀部９３１ｂ内に挿入された防臭筒９３２、水受椀部９３１ａ内に配置された網かご９３３、水受椀部９３１ａの上面開口を蓋う蓋体９３４、を備えている。外周流路部９３１ｃや防臭筒９３２や蓋体９３４には、封水椀部９３１ｂ内で一方向に回転する渦流が水流により発生するように排水を案内する排水案内手段が設けられている。シンクから排水トラップ９３０へ流れる排水は、封水椀部９３１ｂ内で渦流が発生するように蓋体９３４で案内され、網かご９３３を通過する。
特開２００７−１９８１３０号公報特開２００７−４６４２４号公報特開２００７−１２００２１号公報 Patent Document 3 describes a drain trap provided in a kitchen sink. FIG. 8D is a vertical sectional view showing the drain trap 930 described in the document. The drain trap 930 is disposed in the trap body 931 having the water catching portion 931a, the sealed water catching portion 931b, and the outer peripheral flow passage portion 931c, the deodorizing cylinder 932 inserted in the sealed water catching portion 931b, and the water catching portion 931a. And a lid 934 that covers the upper surface opening of the water catcher 931a. The outer peripheral flow path portion 931c, the deodorizing cylinder 932, and the lid body 934 are provided with drainage guide means for guiding drainage so that a vortex that rotates in one direction in the sealed water bottle portion 931b is generated by the water flow. The drainage flowing from the sink to the drain trap 930 is guided by the lid 934 so as to generate a vortex in the sealed water trough 931b and passes through the mesh basket 933.
JP 2007-198130 A JP 2007-46424 A JP 2007-120021 A

図８（ａ）に示す排水口は、洗い場からの排水が全て排水量調節部品９０４を通過するため、排水能力が制限される。このため、同排水口は、浴槽から湯が溢れたとき等、一度に大量の排水が生じたときに十分に排出されないことがある。同図（ｂ）に示すヘアキャッチャー９１１を排水口に用いても、同様である。
また、同図（ａ）（ｂ）に示すヘアキャッチャー９０１，９１１は、外側に水向案内部９０３，９１３が設けられているため、封水筒９０２内で渦巻き水流を発生させるためには封水筒９０２の形状を水向案内部９０３，９１３の形状に合わせなければならない。さらに、洗い場からの全排水がヘアキャッチャー９０１，９１１全体に流入するため、ヘアキャッチャー全体に毛髪等が付着し、ヘアキャッチャーから毛髪等を除去し難かったり、ヘアキャッチャーが目詰まりしたりすることがある。 The drain outlet shown in FIG. 8 (a) has a limited drainage capacity because all the drainage from the washing place passes through the drainage amount adjustment component 904. For this reason, the drain outlet may not be sufficiently discharged when a large amount of drainage occurs at one time, such as when hot water overflows from the bathtub. The same applies when the hair catcher 911 shown in FIG.
Further, since the hair catchers 901 and 911 shown in FIGS. 5A and 5B are provided with water direction guide portions 903 and 913 on the outer side, a sealed water tube is required to generate a spiral water flow in the sealed water tube 902. The shape of 902 must be matched to the shape of the water direction guides 903 and 913. Furthermore, since all the waste water from the washing area flows into the entire hair catchers 901 and 911, hair or the like adheres to the entire hair catcher, and it is difficult to remove the hair from the hair catcher or the hair catcher may be clogged. is there.

図８（ｃ）に示す排水構造は、渦流を発生させるために浴槽排水が必要であり、かつ、浴槽排水を吐出する吐水口９２１を排水桝９２３に形成する必要がある。また、ヘアキャッチャー９２５が水平に配置され、排水がヘアキャッチャー９２５上で保水されず速やかにヘアキャッチャー９２５全体を通過するようにされているため、毛髪等がヘアキャッチャー全体に絡みつきやすい。このため、ヘアキャッチャーから毛髪等を除去し難かったり、ヘアキャッチャーが目詰まりしたりすることがある。 The drainage structure shown in FIG. 8C requires bathtub drainage in order to generate a vortex, and it is necessary to form a water discharge port 921 for discharging bathtub drainage in the drainage 923. In addition, since the hair catcher 925 is disposed horizontally and the drainage is not retained on the hair catcher 925 so that the hair catcher 925 passes through the entire hair catcher 925 quickly, the hair or the like is easily entangled with the entire hair catcher. For this reason, it may be difficult to remove hair or the like from the hair catcher, or the hair catcher may be clogged.

図８（ｄ）に示す排水トラップ９３０は、浴室ではなくキッチンに設けられるため、ヘアキャッチャーではなく網かご９３３を用いている。また、排水が網かご９３３内で保水されず速やかに網かご９３３全体を通過するようにされているため、仮に毛髪等が流された場合には、その毛髪等が網かご全体に絡みつきやすい。このため、網かごから毛髪等を除去し難かったり、網かごが目詰まりしたりすることがある。 Since the drain trap 930 shown in FIG. 8D is provided not in the bathroom but in the kitchen, a net basket 933 is used instead of a hair catcher. In addition, since the drainage is not retained in the mesh basket 933 and quickly passes through the entire mesh basket 933, if hair or the like is shed, the hair or the like is easily entangled with the entire mesh basket. For this reason, it may be difficult to remove hair from the mesh basket, or the mesh basket may be clogged.

本発明は、上記課題に鑑みてなされたもので、ヘアキャッチャーを設ける排水トラップに特別な構造を設ける必要が無く、捕集した毛髪等を容易に除去することが可能なヘアキャッチャーの提供を目的とする。 The present invention has been made in view of the above problems, and it is not necessary to provide a special structure for a drain trap provided with a hair catcher, and an object of the present invention is to provide a hair catcher capable of easily removing collected hair and the like. And

上記目的を達成するため、本発明は、排水トラップに設けられるヘアキャッチャーであって、排水中の毛髪の流出を抑止しながら排水を流出させる下部排水流出部を下部に有し、流入した排水を一時的に保水しながら該排水を前記下部排水流出部から流出させる凹状の一時保水部と、該一時保水部の上部から延出し、排水中の毛髪の流出を抑止しながら前記一時保水部に入りきらない排水を流出させる上部排水流出部と、排水を前記一時保水部へ通す流入口を挟んで前記上部排水流出部の外側に配置された第一及び第二の立壁部と、前記流入口を通って前記第一及び第二の立壁部の外側から前記一時保水部内において仮想の水平面に投影された前記下部排水流出部の平面図形の重心から水平方向へずれた位置に向かって下がった傾斜部と、該立壁部から外側へ延出して洗い場からの排水を受けるとともに、前記流入口に向けて下がる勾配を有するフランジ部とを備え、前記下部排水流出部の平面図形の重心からみて前記第二の立壁部が前記第一の立壁部よりも前記傾斜部の下がった位置に近い立壁部であり、前記第一の立壁部に沿った部分であって前記流入口に向かって下がる部分の前記フランジ部（第一の下り部分とする）の下り勾配をG1％、前記第二の立壁部に沿った部分であって前記流入口に向かって下がる部分の前記フランジ部（第二の下り部分とする）の下り勾配をG2％、前記傾斜部の下り勾配をG3％として、前記フランジ部及び前記傾斜部がG2＜G1＜G3を満たす形状に形成されていることを特徴とする。 In order to achieve the above object, the present invention is a hair catcher provided in a drainage trap, having a lower drainage outflow part in the lower part for discharging drainage while suppressing the outflow of hair in drainage, A concave temporary water retaining part that allows the drainage to flow out from the lower drainage outflow part while temporarily retaining water, and extends from the upper part of the temporary water retaining part, and enters the temporary water retaining part while suppressing the outflow of hair during drainage. An upper drainage outlet for draining undrained drainage, first and second standing wall portions arranged outside the upper drainage outlet across the inlet for passing drainage to the temporary water retention part, and the inlet An inclined portion that passes from the outside of the first and second standing wall portions to the position shifted in the horizontal direction from the center of gravity of the plan view of the lower drainage outflow portion projected onto a virtual horizontal plane in the temporary water retaining portion. And the A flange portion extending outward from the wall portion to receive drainage from the washing area, and having a slope that decreases toward the inflow port, and the second standing wall portion as seen from the center of gravity of the plan view of the lower drainage outflow portion Is a standing wall portion closer to the position where the inclined portion is lowered than the first standing wall portion, and is a portion along the first standing wall portion and a portion of the flange portion (first portion falling toward the inflow port). G1% of the descending slope of the first descending portion), and the descending portion of the flange portion (referred to as the second descending portion) along the second standing wall portion and descending toward the inlet The flange portion and the inclined portion are formed in a shape satisfying G2 <G1 <G3, where the gradient is G2% and the downward gradient of the inclined portion is G3%.

すなわち、洗い場からの排水は、流入口に向けて下がる勾配を有するフランジ部により流入口へ案内され、傾斜部により一時保水部内において仮想の水平面に投影された前記下部排水流出部の平面図形の重心から水平方向へずれた位置に向かって流入口から流入し、一時保水部で一時的に保水され旋回しながら下部排水流出部から流出する。このとき、排水中の毛髪の流出が抑止される。また、一時保水部に入りきらない排水は、一時保水部の上部から延出した上部排水流出部から流出する。ここで、一時保水部に入りきらない排水は、単に上部排水流出部からオーバーフローする訳ではなく、毛髪の流出が抑止されながら上部排水流出部から流出する。
一時保水部内で一時的に溜まった排水の中では、毛髪等が浮遊して集まり、旋回流により毛髪等がまとまる。ここで、フランジ部において第一・第二（第一及び第二）の立壁部に沿った下り部分の下り勾配G1，G2よりも傾斜部の下り勾配G3の方が大きいので、第一・第二の立壁部に沿って流れてきた排水は、傾斜部で一時保水部内に向かって速度を上げながら、流れ方向が整えられる。このため、少ない排水量でも効果的に一時保水部で旋回流を発生させることができる。また、フランジ部における第二の下り部分の排水は、一時保水部内の旋回流の回転方向と逆方向から案内されるが、G3＞G1＞G2であるので、最も大きな下り勾配を持つ傾斜部で旋回流を減衰させにくい方向へ向きが変えられる。なお、第二の下り部分の下り勾配G2が第一の下り部分の下り勾配G1よりも小さいので、第二の下り部分の排水は、少量第一の下り部分へ流れ込んだとしても、流速が第一の下り部分の流速よりも低く、旋回流を減衰させ難い。従って、捕集した毛髪等を容易に除去することができる性能、すなわち、良好な毛髪除去性を得ることができる。
さらに、上述した良好な毛髪除去性は、ヘアキャッチャー単独の構造のみで得られる。 That is, the drainage from the washing place is guided to the inflow port by the flange portion having a gradient descending toward the inflow port, and the center of gravity of the plan view of the lower drainage outflow portion projected onto the virtual horizontal plane in the temporary water retention portion by the inclined portion. From the inflow port toward the position shifted in the horizontal direction, temporarily retained in the temporary water retention unit, and flows out from the lower drainage outflow unit while turning. At this time, the outflow of the hair in the waste water is suppressed. Moreover, the waste water which cannot enter the temporary water retention part flows out from the upper drainage outflow part extended from the upper part of the temporary water retention part. Here, the waste water that does not completely enter the temporary water retention portion does not simply overflow from the upper drainage outflow portion, but flows out from the upper drainage outflow portion while suppressing the outflow of hair.
In the waste water temporarily accumulated in the temporary water retention unit, hairs and the like float and gather, and the hairs and the like are collected by the swirling flow. Here, in the flange portion, the downward gradient G3 of the inclined portion is greater than the downward gradient G1, G2 of the downward portion along the first and second (first and second) standing wall portions. The direction of flow of the wastewater flowing along the second standing wall is adjusted while increasing the speed toward the inside of the temporary water retaining portion at the inclined portion. For this reason, a swirl flow can be effectively generated in the temporary water retention section even with a small amount of drainage. Moreover, the drainage of the second descending part in the flange part is guided from the direction opposite to the rotational direction of the swirling flow in the temporary water retaining part, but since G3>G1> G2, The direction can be changed in a direction that makes it difficult to attenuate the swirling flow. In addition, since the downward gradient G2 of the second downward portion is smaller than the downward gradient G1 of the first downward portion, even if a small amount of drainage of the second downward portion flows into the first downward portion, the flow velocity is the first. It is lower than the flow velocity of one descending part, and it is difficult to attenuate the swirling flow. Therefore, it is possible to obtain performance that can easily remove the collected hair, that is, good hair removability.
Furthermore, the above-described good hair removability can be obtained only by the structure of the hair catcher alone.

各請求項に係る発明において、上記ヘアキャッチャーには、毛髪以外の異物も捕集するものも含まれる。また、上記ヘアキャッチャーには、浴室の排水トラップに用いられるヘアキャッチャーの他、洗面化粧台の排水トラップに用いられるヘアキャッチャー、理容店や美容室の排水トラップに用いられるヘアキャッチャー、等も含まれる。
上記排水は、毛髪を含む水とする。従って、下部排水流出部や上部排水流出部は、毛髪を含む水が流出する部位を意味する。
排水中の毛髪の流出を抑止する上記下部排水流出部や上記上部排水流出部は、全ての毛髪を止めなくても良い。すなわち、抑止は、全てを止めることに限定されない。
上記一時保水部が排水を一時的に保水することは、一時保水部内で排水が流出しながらも一時的に排水が溜まった状態にさせることを意味する。従って、一時保水部内での排水の滞留時間は、有限の時間である。中で毛髪が浮遊しながら一時保水部内に存在する排水の状態は、一時保水部内に一時的に保水されている状態に含まれる。
上記凹状の一時保水部は排水を受けて一時的に保水する形状であればよく、該一時保水部の形状には椀状、半球状、上下逆の円錐状、上下逆の角錐状、等の形状が含まれる。また、これらの形状の底部に上方へ突出したり膨出したりした部位が設けられた形状の一時保水部も、上記凹状の一時保水部に含まれる。 In the invention according to each claim, the hair catcher includes one that collects foreign matters other than hair. In addition to the hair catcher used for the bathroom drain trap, the hair catcher includes a hair catcher used for a bathroom trap drainage trap, a hair catcher used for a barber shop or beauty salon drain trap, and the like. .
The drainage is water containing hair. Therefore, a lower drainage outflow part and an upper drainage outflow part mean a part from which water containing hair flows out.
The lower drainage outflow portion and the upper drainage outflow portion that suppress the outflow of hair during drainage do not have to stop all the hair. That is, deterrence is not limited to stopping everything.
The temporary retention of the drainage by the temporary water retention unit means that the drainage is temporarily accumulated while drainage flows out in the temporary retention unit. Therefore, the residence time of the wastewater in the temporary water retention unit is a finite time. The state of the drainage that exists in the temporary water retention unit while the hair is floating therein is included in the state in which the water is temporarily retained in the temporary water retention unit.
The concave temporary water retaining portion may have any shape that receives drainage and temporarily retains water, and the shape of the temporary water retaining portion includes a bowl shape, a hemispherical shape, an upside down conical shape, an upside down pyramid shape, and the like. Shape is included. Moreover, the concave temporary water retention part is also included in the shape of the temporary water retention part in which the bottom part of these shapes protrudes or bulges upward.

上記旋回流は、一時保水部内に存在する排水が回転する流れをいい、一時保水部に流入した排水が下部排水流出部から流出するまでの回転数に制限は無い。また、旋回流の仮想の回転軸の向きは、鉛直方向でもよいし、鉛直方向から斜めにずれた方向でもよい。
第一・第二の下り部分及び傾斜部の下り勾配G1％，G2％，G3％は、水平方向の距離Dh（mm）に対する鉛直方向に下がる距離Dv（mm）の百分率（％）で表されるものとする。Dh＞０、Dv≧０であるため、G1≧０、G2≧０、G3≧０となる。 The swirling flow refers to a flow in which the drainage existing in the temporary water retention unit rotates, and there is no limitation on the number of rotations until the drainage that has flowed into the temporary water retention unit flows out from the lower drainage outflow unit. Further, the direction of the virtual rotation axis of the swirl flow may be the vertical direction, or may be a direction obliquely deviated from the vertical direction.
The descending slopes G1%, G2% and G3% of the first and second descending parts and inclined parts are expressed as a percentage (%) of the distance Dv (mm) descending in the vertical direction with respect to the horizontal distance Dh (mm). Shall be. Since Dh> 0 and Dv ≧ 0, G1 ≧ 0, G2 ≧ 0, and G3 ≧ 0.

また、前記第二の立壁部に沿った部分であって排水が前記流入口へ流れる部分の前記フランジ部の上面は、前記第一の立壁部に沿った部分であって排水が前記流入口へ流れる部分の前記フランジ部の上面よりも高くされてもよい。一時保水部内の旋回流の回転方向と逆方向から案内される第二の下り部分から流入口へ流れる排水が第一の下り部分から流入口へ流れる排水よりも高い位置にあるので、流入口へ流れる第一・第二の下り部分からの排水が同じ高さで合流しない。これにより、第一の下り部分上で一時保水部内の旋回流に合わせた向きへ案内される排水の流れが第二の下り部分上を案内される排水の流れの影響を受けにくい。従って、さらに効果的に一時保水部で旋回流を発生させることができる。
なお、上記ヘアキャッチャーを有する排水トラップの発明や、上記ヘアキャッチャーを有する浴室の発明も、上述した作用、効果を奏する。 The upper surface of the flange portion of the portion along the second standing wall portion where drainage flows to the inflow port is a portion along the first standing wall portion and drainage flows to the inflow port. You may make it higher than the upper surface of the said flange part of the flow part. Since the drainage flowing from the second descending part guided from the direction opposite to the direction of rotation of the swirling flow in the temporary water retention part is higher than the drainage flowing from the first descending part to the inlet, The drainage from the first and second descending parts that flow does not merge at the same height. Thereby, the flow of the drainage guided to the direction according to the swirling flow in the temporary water retaining portion on the first descending portion is not easily affected by the drainage flow guided on the second descending portion. Therefore, it is possible to generate a swirl flow more effectively in the temporary water retention unit.
The invention of the drain trap having the hair catcher and the invention of the bathroom having the hair catcher also have the above-described actions and effects.

請求項１に係る発明によれば、ヘアキャッチャーを設ける排水トラップに特別な構造を設ける必要が無く、良好な毛髪除去性を得ることが可能なヘアキャッチャーを提供することができる。
請求項２に係る発明によれば、一時保水部内でさらに良好に毛髪等がまとまり、さらに良好な毛髪除去性を得ることが可能となる。 According to the invention which concerns on Claim 1, it is not necessary to provide a special structure in the drain trap which provides a hair catcher, and the hair catcher which can obtain favorable hair removability can be provided.
According to the invention which concerns on Claim 2, hair etc. are gathered still more favorably in a temporary water retention part, and it becomes possible to obtain further favorable hair removability.

（１）ヘアキャッチャーの構成：
図１は本発明の一実施形態に係るヘアキャッチャー１０を設けた浴室用の排水トラップ１を示す垂直断面図、図２は排水トラップ１の分解斜視図、図３，４はヘアキャッチャー１０の外観を示す図、図５（ａ）はヘアキャッチャー１０を図４のＡ３−Ａ３の位置で断面視して示す垂直断面図、図５（ｂ）はヘアキャッチャー１０を図４のＡ４−Ａ４の位置で断面視して示す垂直断面図、図５（ｃ）はヘアキャッチャー１０を図４のＡ５−Ａ５の位置で断面視して示す垂直断面図、図６（ａ）はヘアキャッチャー１０を図３のＡ１方向から見て示す側面図、図６（ｂ）（ｃ）はヘアキャッチャー１０を図３のＡ２−Ａ２の位置から見て示す垂直断面図である。 (1) Structure of hair catcher:
FIG. 1 is a vertical sectional view showing a bathroom drain trap 1 provided with a hair catcher 10 according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the drain trap 1, and FIGS. FIG. 5 (a) is a vertical sectional view showing the hair catcher 10 in cross-section at the position A3-A3 in FIG. 4, and FIG. 5 (b) is the position of the hair catcher 10 at A4-A4 in FIG. FIG. 5C is a vertical sectional view showing the hair catcher 10 at a position A5-A5 in FIG. 4, and FIG. 6A is a vertical sectional view showing the hair catcher 10. FIG. FIG. 6B and FIG. 6C are vertical sectional views showing the hair catcher 10 as viewed from the position A2-A2 in FIG.

浴室は、図示しないシャワーや給湯栓等が設けられた洗い場Ｗ１が浴槽Ｂ１の外側に設けられ、この洗い場Ｗ１の床材１１０の一部が凹んで排水桝１１２が形成されている。この排水桝１１２は、下側の開口部に向かって略水平方向に内側へ延出したフランジ部１１３を有し、上側の開口部にカバー１２０を着脱することができるようにされている。排水トラップ１は、排水桝１１２に取り付けられ、カバー１２０と床材１１０との隙間ＣＬ１から排水桝１１２へ流入した排水を通過させる。本排水トラップ１は、カバー１２０、トラップ本体１３０、締め付けフランジ１４０、封水筒１５０、及びヘアキャッチャー１０を備える。
排水桝１１２の四隅には、図２に示すように、ヘアキャッチャー１０及びカバー１２０を載置するための洗い場側段部１１４ａ，１１４ａ及び浴槽側段部１１４ｂ，１１４ｂが形成されている。カバー１２０の浴槽側縁部１２０ａには、洗い場側へ凹んだ手かけ部１２２が形成されている。 In the bathroom, a washing place W1 provided with a shower, a hot water tap, etc. (not shown) is provided outside the bathtub B1, and a part of the floor material 110 of the washing place W1 is recessed to form a drainage tub 112. This drainage basin 112 has a flange 113 extending inward in a substantially horizontal direction toward the lower opening, and the cover 120 can be attached to and detached from the upper opening. The drainage trap 1 is attached to the drainage basin 112 and allows the drainage that has flowed into the drainage basin 112 from the gap CL1 between the cover 120 and the flooring 110 to pass therethrough. The drain trap 1 includes a cover 120, a trap body 130, a tightening flange 140, a water seal 150, and a hair catcher 10.
At the four corners of the drainage basin 112, as shown in FIG. 2, washing place side steps 114 a and 114 a and bathtub side steps 114 b and 114 b for mounting the hair catcher 10 and the cover 120 are formed. On the bathtub-side edge 120a of the cover 120, a handle portion 122 that is recessed toward the washing area is formed.

図１に示すように、トラップ本体１３０は、上部が開口し、浴槽側の側壁１３０ａの下部に水平方向へ突出した接続口１３１が形成され、該接続口１３１に対向する側壁１３０ｂに水平方向へ突出した排出口１３２が形成されている。接続口１３１は、接続管を介して浴槽の防水パンに接続されている。トラップ本体１３０内では、側壁１３０ａ，１３０ｂの上縁部に封水面Ｓが形成され、この封水面Ｓの下側に封水筒１５０の下部が差し込まれる。また、トラップ本体１３０の上縁部には径方向内側へ延出したフランジ部１３３が形成され、このフランジ部１３３の内周面にねじ部１３３ａが形成されている。 As shown in FIG. 1, the trap body 130 has an upper opening, a connection port 131 that protrudes horizontally in the lower part of the side wall 130 a on the bathtub side, and a horizontal direction on the side wall 130 b that faces the connection port 131. A protruding discharge port 132 is formed. The connection port 131 is connected to the waterproof pan of the bathtub through a connection pipe. In the trap body 130, a sealing surface S is formed at the upper edge of the side walls 130 a and 130 b, and the lower part of the sealing cylinder 150 is inserted below the sealing surface S. Further, a flange portion 133 extending radially inward is formed on the upper edge portion of the trap body 130, and a screw portion 133 a is formed on the inner peripheral surface of the flange portion 133.

締め付けフランジ１４０は、トラップ本体のねじ部１３３ａと螺合するねじ部１４１ａを外周面に有する円筒部１４１と、この円筒部１４１の上縁部で径方向外側へ延出した上側フランジ部１４２と、円筒部１４１の下縁部で径方向内側へ延出した下側フランジ部１４３とを備える略環状に形成されている。円筒部１４１の内周面には、９０°間隔で４箇所に上下２つの突起１４１ｂが形成されている。床材のフランジ部１１３の先端部にパッキン１４４を取り付け、このパッキン１４４をトラップ本体のフランジ部１３３とで挟むようにして該フランジ部１３３に締め付けフランジ１４０を螺入すると、床材のフランジ部１１３とトラップ本体１３０とを互いに固定することができる。 The tightening flange 140 includes a cylindrical portion 141 having a threaded portion 141a screwed to the threaded portion 133a of the trap body on the outer peripheral surface, an upper flange portion 142 extending radially outward at an upper edge portion of the cylindrical portion 141, It is formed in a substantially annular shape including a lower flange portion 143 extending radially inward at the lower edge portion of the cylindrical portion 141. On the inner peripheral surface of the cylindrical portion 141, two upper and lower projections 141b are formed at four positions at intervals of 90 °. When the packing 144 is attached to the front end of the flange portion 113 of the floor material, and the fastening flange 140 is screwed into the flange portion 133 so that the packing 144 is sandwiched between the flange portion 133 of the trap body, the flange portion 113 of the floor material and the trap The main body 130 can be fixed to each other.

封水筒１５０は、筒状の本体部１５１と、この本体部１５１の上縁部から径方向外側へ延出したフランジ部１５２とを有する形状に形成されている。フランジ部１５２の外縁部には、９０°間隔で４箇所に切欠が形成されている。各切欠を締め付けフランジの突起１４１ｂに合わせて締め付けフランジ１４０の開口部に封水筒の本体部１５１を挿入し、封水筒のフランジ部１５２を締め付けフランジの下側フランジ部１４３に接触させて回転させることにより、トラップ本体１３０内の所定位置に封水筒１５０が固定される。ここで、封水筒１５０の下端とトラップ本体１３０の底面との間に隙間が設けられている。 The sealing cylinder 150 is formed in a shape having a cylindrical main body portion 151 and a flange portion 152 extending radially outward from the upper edge portion of the main body portion 151. In the outer edge portion of the flange portion 152, notches are formed at four locations at intervals of 90 °. Align each notch with the protrusion 141b of the tightening flange, insert the main body 151 of the sealing tube into the opening of the tightening flange 140, and rotate the flange portion 152 of the sealing tube in contact with the lower flange portion 143 of the tightening flange. As a result, the sealing tube 150 is fixed at a predetermined position in the trap body 130. Here, a gap is provided between the lower end of the sealing cylinder 150 and the bottom surface of the trap body 130.

ヘアキャッチャー１０は、図１〜図６に示す一時保水部２０と上部排水流出部３０と立壁部５０と傾斜部６０とフランジ部７０を備え、排水から毛髪等のごみを捕集する。本ヘアキャッチャー１０は、立壁部５０と傾斜部６０とフランジ部７０が洗い場Ｗ１からの排水を一時保水部２０へ導く排水導入部４０とされている。排水導入部４０は、洗い場Ｗ１からの排水を上部排水流出部３０ではなく、一時保水部２０へ導く。 The hair catcher 10 includes a temporary water retention unit 20, an upper drainage outflow unit 30, a standing wall unit 50, an inclined unit 60, and a flange unit 70 shown in FIGS. 1 to 6, and collects dust such as hair from the drainage. In the hair catcher 10, the standing wall portion 50, the inclined portion 60, and the flange portion 70 serve as a drainage introduction portion 40 that guides drainage from the washing place W 1 to the temporary water retention portion 20. The drainage introduction unit 40 guides the drainage from the washing place W1 to the temporary water retention unit 20 instead of the upper drainage outflow unit 30.

一時保水部２０は、上部が開口し下方へ凹んだ凹状に形成されている。本実施形態の一時保水部２０は、四隅に段部１１４を有する排水桝１１２の中で容積をできるだけ大きくするため、上下逆の四角錐の頂点及び稜線を丸くしたような形状としてある。この四角錐の頂点近傍となる一時保水部２０下部には、排水中の毛髪等の流出を抑止しながら排水を略下方へ流出させる水抜き孔２３が複数形成されている。これらの水抜き孔２３が設けられた一時保水部２０下部は、本発明にいう下部排水流出部２２となっている。排水を流出させる下部排水流出部２２が凹状の一時保水部２０の下部に存在することにより、一時保水部２０内で一時的に保水される排水に渦流が発生し易くなっている。
一方、一時保水部２０における下部排水流出部２２の周囲は、水抜き孔の無い壁部２１とされ、外側に向かって斜めに立ち上がっている。従って、一時保水部２０は、流入した排水を一時的に保水しながら該排水を下部排水流出部２２から流出させる。 The temporary water retaining portion 20 is formed in a concave shape that is open at the top and recessed downward. The temporary water retaining portion 20 of the present embodiment has a shape in which the apex and ridgeline of the inverted quadrangular pyramid are rounded in order to increase the volume as much as possible in the drainage basin 112 having stepped portions 114 at the four corners. A plurality of drain holes 23 are formed in the lower portion of the temporary water retaining portion 20 near the apex of the quadrangular pyramid to allow the drainage to flow out substantially downward while preventing the outflow of hair or the like in the drainage. The lower part of the temporary water retaining part 20 provided with these drain holes 23 is a lower drainage outflow part 22 according to the present invention. Since the lower drainage outflow portion 22 for draining the drainage is present in the lower portion of the concave temporary water retaining portion 20, eddy current is easily generated in the wastewater temporarily retained in the temporary water retaining portion 20.
On the other hand, the periphery of the lower drainage outflow portion 22 in the temporary water retention portion 20 is a wall portion 21 without a drain hole, and rises obliquely toward the outside. Therefore, the temporary water retention unit 20 causes the drainage to flow out from the lower drainage outflow unit 22 while temporarily retaining the inflowing wastewater.

下部排水流出部２２の最大の排水流出流量Qd（リットル／分）は、排水中の毛髪が浮遊する程度に洗い場Ｗ１からの排水が一時保水部２０内で一時的に溜まる流量が好ましい。ここで、最大の排水流出流量Qdは、一時保水部２０内に排水が上縁部２１ａまで溜まっているように連続して排水を導入したときに下部排水流出部２２から流出する排水の流出流量とする。また、洗い場で使用するシャワーの平均吐水流量Qs（リットル／分）よりもQdを小さくすると、平均的な吐水流量で洗い場のシャワーを使用したときに洗い場の排水が一時保水部２０内で一時的に溜まるので好ましい。一方、一時保水部２０で一時的に保水される排水の滞留時間Ｔを数秒〜十数秒程度（例えば５〜１５秒）とするようにQdを設定すると、洗い場使用後速やかに一時保水部２０から排水が抜けて毛髪等を除去する作業を行うことができるので好ましい。
なお、上記排水流出流量Qdを大きくするには、水抜き孔２３の開口面積を大きくしたり、水抜き孔２３の数を多くしたりして、水抜き孔２３の総開口面積（個々の水抜き孔の開口面積を総和した面積）を大きくすればよい。むろん、Qdを小さくするには、水抜き孔２３の総開口面積を小さくすればよい。このようにして、下部排水流出部２２を所望の排水流出流量にすることができる。 The maximum drainage outflow rate Qd (liter / min) of the lower drainage outflow unit 22 is preferably a rate at which the drainage from the washing place W1 temporarily accumulates in the temporary water holding unit 20 to such an extent that the hair in the drainage floats. Here, the maximum drainage outflow rate Qd is the outflow rate of drainage flowing out from the lower drainage outflow unit 22 when the drainage is continuously introduced so that the drainage is accumulated in the temporary water retaining unit 20 up to the upper edge portion 21a. And In addition, if Qd is made smaller than the average water discharge flow rate Qs (liters / minute) of the shower used in the washroom, the wastewater from the washroom is temporarily stored in the temporary water retention unit 20 when the shower is used at the average water discharge flow rate. This is preferable. On the other hand, if Qd is set so that the residence time T of the drainage water temporarily retained in the temporary water retention unit 20 is about several seconds to several tens of seconds (for example, 5 to 15 seconds), the temporary water retention unit 20 promptly uses the washing area. This is preferable because drainage can be removed to remove hair and the like.
In order to increase the drainage outflow rate Qd, the total opening area of the drain holes 23 (individual water areas) can be increased by increasing the opening area of the drain holes 23 or increasing the number of drain holes 23. What is necessary is just to enlarge the area which totaled the opening area of a hole. Of course, in order to reduce Qd, the total opening area of the drain holes 23 may be reduced. In this way, the lower drainage outflow portion 22 can be set to a desired drainage outflow rate.

上部排水流出部３０は、一時保水部２０の上部（上縁部２１ａ）から外側に向かって斜めに上がるように延出している。この上部排水流出部３０には、排水中の毛髪の流出を抑止しながら排水を流出させる孔３２が複数形成されている。上部排水流出部３０は一時保水部２０に入りきらない排水を流出させるため、上部排水流出部３０の最大の排水流出流量Qu（リットル／分）が下部排水流出部２２の最大排水流出流量Qd（リットル／分）よりも大きくなるようにしている。ここで、最大の排水流出流量Quは、排水が上部排水流出部３０の外縁部３０ａの最も低い位置まで溜まっているように連続して排水を導入したときに上部排水流出部３０から流出する排水の流出流量とする。むろん、Quを大きくするには孔３２の総開口面積を大きくすればよく、Quを小さくするには孔３２の総開口面積を小さくすればよい。このようにして、上部排水流出部３０を所望の排水流出流量にすることができる。
本実施形態の上部排水流出部３０は、排水桝１１２の中で容積をできるだけ大きくするため、一時保水部２０の上部よりも緩やかな傾斜で外側へ延出している。 The upper drainage outflow portion 30 extends from the upper portion (upper edge portion 21a) of the temporary water retention portion 20 so as to rise obliquely outward. The upper drainage outlet 30 is formed with a plurality of holes 32 through which drainage flows out while suppressing the outflow of hair during drainage. Since the upper drainage outflow portion 30 allows the drainage that does not enter the temporary water retaining portion 20 to flow out, the maximum drainage outflow rate Qu (liters / minute) of the upper drainage outflow portion 30 is the maximum drainage outflow rate Qd ( L / min). Here, the maximum drainage outflow rate Qu is the drainage that flows out from the upper drainage outflow part 30 when the drainage is continuously introduced so that the drainage is accumulated to the lowest position of the outer edge part 30a of the upper drainage outflow part 30. The outflow rate of Of course, to increase Qu, the total opening area of the hole 32 may be increased, and to decrease Qu, the total opening area of the hole 32 may be decreased. In this way, the upper drainage outflow portion 30 can have a desired drainage outflow rate.
The upper drainage outflow part 30 of the present embodiment extends outward with a gentler slope than the upper part of the temporary water retention part 20 in order to increase the volume of the drainage basin 112 as much as possible.

排水導入部４０は、立壁部５０と傾斜部６０とフランジ部７０により、一時保水部２０内で左回り（一方向）に回転する旋回流が発生するように洗い場Ｗ１からの排水を直接、一時保水部２０内に導入する。なお、一時保水部内で旋回流が一方向に回転するとは、一時保水部内の旋回流が左回りのみであること、一時保水部内の旋回流が右回りのみであること等、一時保水部内の旋回流の回転方向が一つであることを意味するものとする。
立壁部５０は、排水を一時保水部へ通す流入口５６を挟んで上部排水流出部３０の外側に配置された第一の立壁部５２及び第二の立壁部５４から構成されている。本実施形態の立壁部５２，５４は、洗い場Ｗ１側を離間させて流入口５６を設けるとともに、浴槽Ｂ１側も離間させている。洗い場Ｗ１からの排水の多くは洗い場Ｗ１側から排水桝１１２に流入するので、ヘアキャッチャー１０上の流入口５６は洗い場Ｗ１からの排水の多くが流れ込む位置に設けられていることになる。両立壁部５２，５４は、上部排水流出部３０を囲むように上部排水流出部３０の外縁部３０ａから上方へ延出している。立壁部５０があることにより、毛髪等を含む洗い場Ｗ１側からの排水が直接上部排水流出部３０に入らないようになっており、毛髪等による上部排水流出部３０の目詰まりを抑止することができる。 The drainage introduction unit 40 directly and temporarily removes the drainage from the washing place W1 by the standing wall unit 50, the inclined unit 60, and the flange unit 70 so that a swirling flow that rotates counterclockwise (one direction) is generated in the temporary water retention unit 20. Introduce into the water retention unit 20. Note that the swirling flow in one direction in the temporary water retention unit means that the swirl flow in the temporary water retention unit is only counterclockwise, the swirl flow in the temporary water retention unit is only clockwise, etc. It shall mean that the direction of rotation of the flow is one.
The standing wall portion 50 includes a first standing wall portion 52 and a second standing wall portion 54 arranged outside the upper drainage outflow portion 30 with an inflow port 56 through which drainage is passed to the temporary water retention portion. The standing wall portions 52 and 54 of the present embodiment are provided with the inflow port 56 by separating the washing place W1 side and also by separating the bathtub B1 side. Since much of the waste water from the washing place W1 flows into the drainage basin 112 from the washing place W1 side, the inlet 56 on the hair catcher 10 is provided at a position where much of the waste water from the washing place W1 flows. The compatible wall portions 52 and 54 extend upward from the outer edge portion 30 a of the upper drainage outflow portion 30 so as to surround the upper drainage outflow portion 30. By having the standing wall portion 50, the waste water from the washing station W1 side including hair and the like does not directly enter the upper drainage outflow portion 30, and clogging of the upper drainage outflow portion 30 due to hair or the like can be suppressed. it can.

傾斜部６０は、流入口５６を通って立壁部５２，５４の外側から一時保水部壁部２１の内周面に沿う方向に向かって、すなわち、一時保水部２０内において仮想の水平面ＨＰ１に投影された下部排水流出部２２の平面図形の重心ＣＥ１から水平方向へずれた位置Ｐ１に向かって下がっている。
ここで、ヘアキャッチャー１０を仮想の水平面ＨＰ１に投影した平面図形は図４の平面図に相当し、下部排水流出部２２の平面図形（水抜き孔２３に相当する部分も含まれる）は同図の２２で表される二点鎖線で囲まれた図形に相当する。この平面図形は、水抜き孔２３に相当する部分を含むものとする。下部排水流出部２２の平面図形の重心ＣＥ１は、幾何学やシミュレーションで求めることができ、単位面積当たりの重量が均一な板を水抜き孔２３の無い下部排水流出部２２の形状に切り取って釣り合う点、すなわち、質量中心を探す試験を行うことによっても求めることができる。
仮想の水平面に投影された下部排水流出部の平面図形の重心ＣＥ１から水平方向へずれた位置Ｐ１に向かうとは、図４に示す傾斜部６０の排水の流れ方向Ｄ１３のように、ヘアキャッチャー１０を上から見たときに重心ＣＥ１を通らない方向に向かうことを意味するものとする。
また、排水の流れ方向Ｄ１３の向きは傾斜部６０において最も傾斜した向きであり、この向きが傾斜部６０の下がる向きであるものとする。本実施形態の傾斜部６０が下がる向きは、排水が流れていく方向に見たときに重心ＣＥ１から右側とされている。すなわち、重心ＣＥ１からみて第二の立壁部５４が第一の立壁部５２よりも傾斜部の下がった位置Ｐ１に近い立壁部である。 The inclined portion 60 projects from the outside of the standing wall portions 52 and 54 through the inflow port 56 in a direction along the inner peripheral surface of the temporary water retaining portion wall portion 21, that is, in the temporary water retaining portion 20, onto the virtual horizontal plane HP1. The lower drainage outflow portion 22 is lowered from the center of gravity CE1 of the plan view toward the position P1 shifted in the horizontal direction.
Here, the plan view of the hair catcher 10 projected onto the virtual horizontal plane HP1 corresponds to the plan view of FIG. 4, and the plan view of the lower drainage outflow portion 22 (including the portion corresponding to the drain hole 23) is shown in FIG. This corresponds to a figure surrounded by a two-dot chain line represented by. This plane figure includes a portion corresponding to the drain hole 23. The center of gravity CE1 of the plane figure of the lower drainage outflow portion 22 can be obtained by geometry or simulation, and a plate having a uniform weight per unit area is cut out to the shape of the lower drainage outflow portion 22 without the drain hole 23 and balanced. It can also be determined by performing a test to find the point, that is, the center of mass.
The direction from the center of gravity CE1 of the plan view of the lower drainage outflow portion projected onto the virtual horizontal plane to the position P1 shifted in the horizontal direction is the hair catcher 10 as in the drainage flow direction D13 of the inclined portion 60 shown in FIG. When viewed from above, it means to go in a direction not passing through the center of gravity CE1.
Further, the direction of the drainage flow direction D13 is the direction most inclined in the inclined portion 60, and this direction is the direction in which the inclined portion 60 is lowered. The direction in which the inclined portion 60 of the present embodiment is lowered is the right side from the center of gravity CE1 when viewed in the direction in which the drainage flows. That is, when viewed from the center of gravity CE1, the second standing wall portion 54 is a standing wall portion closer to the position P1 where the inclined portion is lowered than the first standing wall portion 52.

図５（ｃ）は、傾斜部６０の最も傾斜した向きに破断したヘアキャッチャー１０の垂直断面を示している。同図（ｃ）に示すように、傾斜部６０は、一時保水部２０に向けて急激に下がる勾配（下り勾配G3％）を有している。 FIG. 5C shows a vertical cross section of the hair catcher 10 broken in the most inclined direction of the inclined portion 60. As shown in FIG. 3C, the inclined portion 60 has a gradient (downward gradient G3%) that rapidly decreases toward the temporary water retention portion 20.

フランジ部７０は、上部排水流出部の外縁部３０ａから外方、すなわち、立壁部５０から外側へ延出し、立壁部５０の外側で洗い場Ｗ１からの排水を受ける。また、フランジ部７０は、流入口５６に向けて下がる勾配を有し、排水を傾斜部６０へ案内する。本実施形態のフランジ部７０は、主に第一の立壁部５２の外側となる第一の領域７２と、主に第二の立壁部５４の外側となる第二の領域７４と、これらの領域７２，７４の境界部分で一段上がって洗い場側段部１１４ａ，１１４ａに載置される隅部７６，７７とに区分することができる。第一の領域７２と第二の領域７４は、浴槽側を離間させ、ともに流入口５６へ繋がっている。 The flange portion 70 extends outward from the outer edge portion 30 a of the upper drainage outflow portion, that is, outward from the standing wall portion 50, and receives drainage from the washing place W 1 outside the standing wall portion 50. Further, the flange portion 70 has a slope that decreases toward the inflow port 56, and guides drainage to the inclined portion 60. The flange portion 70 of the present embodiment includes a first region 72 that is mainly outside the first standing wall portion 52, a second region 74 that is mainly outside the second standing wall portion 54, and these regions. 72 and 74, and can be divided into corners 76 and 77 that are placed on the washing-stage side steps 114a and 114a. The first region 72 and the second region 74 are separated from the bathtub side, and are both connected to the inflow port 56.

第一の領域７２は、右回りに少しずつ下がり、一時保水部２０内の旋回流の回転方向Ｄ１とほぼ同じ回転方向へ排水を案内する。図５（ａ）は、第一の立壁部５２に沿った部分であって流入口５６に向かって下がる部分（第一の下り部分７２ａ）の第一の領域７２を断面視している。同図（ａ）には、第一の下り部分７２ａの下り勾配をG1％で示している。
第二の領域７４は、洗い場側に向かって少しずつ下がり、浴槽側から流入口５６へ排水を案内する。図５（ｂ）は、第二の立壁部５４に沿った部分であって流入口５６に向かって下がる部分（第二の下り部分７４ａ）の第二の領域７４を断面視している。同図（ｂ）には、第二の下り部分７４ａの下り勾配をG2％で表している。 The first region 72 is gradually lowered clockwise, and guides the drainage in the rotational direction substantially the same as the rotational direction D1 of the swirling flow in the temporary water retention unit 20. FIG. 5A is a cross-sectional view of a first region 72 of a portion (first descending portion 72 a) that is a portion along the first standing wall portion 52 and descends toward the inflow port 56. In FIG. 9A, the downward gradient of the first downward portion 72a is indicated by G1%.
The second region 74 is gradually lowered toward the washing area, and guides the drainage from the bathtub side to the inflow port 56. FIG. 5B is a cross-sectional view of the second region 74 of the portion (second descending portion 74 a) that is a portion along the second standing wall portion 54 and descends toward the inflow port 56. In FIG. 5B, the downward gradient of the second downward portion 74a is represented by G2%.

なお、下り勾配G1％，G2％，G3％は、水平方向の距離Dh₁（mm），Dh₂（mm），Dh₃（mm）に対する鉛直方向に下がる距離をDv₁（mm），Dv₂（mm），Dv₃（mm）として、
G1 ＝（Dv₁／Dh₁）×１００（％）
G2 ＝（Dv₂／Dh₂）×１００（％）
G3 ＝（Dv₃／Dh₃）×１００（％）
で表されるものとする。ここで、下り勾配を表すDh₁，Dh₂，Dh₃，Dv₁，Dv₂，Dv₃は、正の数である。フランジ部７０及び傾斜部６０は、G2＜G1＜G3を満たす形状に形成されている。
第二の領域７４上の排水は、一時保水部２０内の旋回流の回転方向Ｄ１と逆方向から案内されるが、G3＞G1＞G2であるので、最も大きな下り勾配G3とされた傾斜部６０で旋回流を減衰させにくい方向へ向きが変えられる。 Incidentally, downward slope G1%, G2%, the G3%, the horizontal distance _{_{Dh 1 (mm), Dh 2}} (mm), Dh 3 a distance down in the vertical direction with respect to _{(mm) Dv 1 (mm)} , Dv 2 (Mm), Dv ₃ (mm),
_{_{G1 = (Dv 1 / Dh 1}} ) × 100 (%)
_{_{G2 = (Dv 2 / Dh 2}} ) × 100 (%)
G3 = (Dv ₃ / Dh ₃ ) x 100 (%)
It shall be represented by Here, Dh ₁ , Dh ₂ , Dh ₃ , Dv ₁ , Dv ₂ , and Dv ₃ representing the downward gradient are positive numbers. The flange portion 70 and the inclined portion 60 are formed in a shape that satisfies G2 <G1 <G3.
The drainage on the second region 74 is guided from the direction opposite to the rotational direction D1 of the swirling flow in the temporary water retaining unit 20, but since G3>G1> G2, the inclined portion having the largest downward gradient G3. At 60, the direction is changed in a direction in which the swirl flow is difficult to attenuate.

また、第二の下り部分７４ａであって排水が流入口５６へ流れる部分のフランジ部の上面７４ｂは、第一の下り部分７２ａであって排水が流入口５６へ流れる部分のフランジ部の上面７２ｂよりも高くされている。従って、両下り部分７２ａ，７４ａから流入口へ流れる排水が異なる高さで合流する。 Further, the upper surface 74b of the flange portion of the second descending portion 74a where the drainage flows to the inlet 56 is the upper surface 72b of the flange portion of the first descending portion 72a where the drainage flows to the inlet 56. Is higher than. Accordingly, the drainage flowing from both descending portions 72a and 74a to the inflow port merges at different heights.

隅部７６，７７は、第一の領域７２上を流れる排水を右回りに誘導したり、第二の領域７４上を流れてきた排水を流入口５６へ誘導したりする機能も有する。 The corner portions 76 and 77 also have a function of guiding the drainage flowing on the first region 72 clockwise or guiding the drainage flowing on the second region 74 to the inlet 56.

なお、カバー１２０を取り外す際に手かけ部１２２に手を掛け易くするため、ヘアキャッチャー１０は、浴槽側に立壁部５０が設けられていない領域があり、上部排水流出部３０の浴槽側縁部３０ｂがヘアキャッチャー自体の浴槽側縁部に繋がった形状とされている。ここで、洗い場Ｗ１からの排水の多くは洗い場Ｗ１側から排水桝１１２に流入するので、フランジ部７０上から傾斜部６０を経由して一時保水部２０に流入する排水に比べてヘアキャッチャー１０の浴槽側縁部から上部排水流出部３０へ直接流入する排水は少ない。
以上説明した立壁部５０及びフランジ部７０により、洗い場Ｗ１からの排水が主に流入口５６へ案内される。フランジ部７０は、流入口５６に向けて下がる勾配を有しているので、案内する排水の流速を高め、該排水を傾斜部６０へ導く。傾斜部６０は、該排水を仮想の水平面に投影された下部排水流出部の平面図形の重心ＣＥ１（以下、下部排水流出部の重心ＣＥ１と記載）から水平方向へずれた位置に向けて一時保水部２０へ導く。 The hair catcher 10 has a region where the standing wall portion 50 is not provided on the bathtub side in order to make it easier to place the hand on the handle portion 122 when removing the cover 120, and the bathtub side edge portion of the upper drainage outflow portion 30. 30b is made into the shape connected to the bathtub side edge part of hair catcher itself. Here, most of the drainage from the washing station W1 flows into the drainage basin 112 from the washing station W1 side, so that the hair catcher 10 is compared with the drainage that flows into the temporary water retaining unit 20 from the flange portion 70 via the inclined portion 60. There is little drainage flowing directly into the upper drainage outlet 30 from the bathtub side edge.
By the standing wall portion 50 and the flange portion 70 described above, the waste water from the washing place W1 is mainly guided to the inflow port 56. Since the flange portion 70 has a gradient descending toward the inflow port 56, the flow rate of the drainage to be guided is increased and the drainage is guided to the inclined portion 60. The inclined portion 60 temporarily holds water toward a position shifted in the horizontal direction from the center of gravity CE1 of the lower drainage outflow portion projected onto the virtual horizontal plane (hereinafter referred to as the center of gravity CE1 of the lower drainage outflow portion). Guide to section 20.

なお、ヘアキャッチャー１０は、熱可塑性樹脂といった樹脂材料、ステンレスといった金属材料、これらの組み合わせ、等、種々の材質とすることができ、樹脂材料や金属材料の成形品等を用いることができる。
本ヘアキャッチャー１０を設けた排水トラップ１は、例えば、床材フランジ部１１３の先端部にパッキン１４４を取り付け、トラップ本体のフランジ部１３３に締め付けフランジ１４０を螺入して床材フランジ部１１３とトラップ本体１３０とを互いに固定し、封水筒１５０を締め付けフランジ１４０に取り付け、ヘアキャッチャー１０を排水桝段部１１４に載置し、該ヘアキャッチャー１０の隅部にカバー１２０を載置することにより、形成される。 The hair catcher 10 can be made of various materials such as a resin material such as a thermoplastic resin, a metal material such as stainless steel, and a combination thereof, and a resin material or a molded product of the metal material can be used.
The drainage trap 1 provided with the hair catcher 10 has, for example, a packing 144 attached to the front end of the flooring flange 113, and a tightening flange 140 screwed into the flange 133 of the trap body to trap the flooring flange 113 and the trap. Formed by fixing the main body 130 to each other, attaching the sealing tube 150 to the fastening flange 140, placing the hair catcher 10 on the drainage drainage step 114, and placing the cover 120 on the corner of the hair catcher 10 Is done.

（２）ヘアキャッチャーの作用、効果：
次に、本ヘアキャッチャー１０の作用、効果を説明する。
洗い場Ｗ１で生じた排水は、カバー１２０の周囲から排水桝１１２に流入し、主にヘアキャッチャーフランジ部７０上へ流下する。ここで、図４の左側にある隅部７６に流下した排水は第一の領域７２へ流れ、同図の右側にある隅部７７に流下した排水は下り部分７２ａ，７４ａから速やかに流入口５６へ流れる。第一の領域７２上の排水は、第一の立壁部５２に沿って左回りに案内された後、流入口５６へ流れる。図５（ａ）に示すように第一の下り部分７２ａが流入口５６に向けて下がる勾配を有しているので、洗い場からの排水が流速を高めながら傾斜部６０へ流れる。第二の領域７４上の排水は、第二の立壁部５４に沿って洗い場Ｗ１側へ案内された後、傾斜部６０へ流れる。 (2) Action and effect of hair catcher:
Next, the operation and effect of the hair catcher 10 will be described.
The wastewater generated at the washing place W1 flows into the drainage basin 112 from the periphery of the cover 120 and flows down mainly onto the hair catcher flange portion 70. Here, the drainage flowing down to the corner 76 on the left side of FIG. 4 flows to the first region 72, and the drainage flowing down to the corner 77 on the right side of FIG. 4 promptly enters the inlet 56 from the descending portions 72a and 74a. To flow. The drainage on the first region 72 is guided counterclockwise along the first standing wall portion 52 and then flows to the inflow port 56. As shown in FIG. 5 (a), since the first descending portion 72a has a gradient descending toward the inflow port 56, the waste water from the washing area flows to the inclined portion 60 while increasing the flow velocity. The drainage on the second region 74 flows to the inclined portion 60 after being guided along the second standing wall portion 54 toward the washing place W1.

ここで、図５に示すように、フランジ部において第一・第二の立壁部に沿った下り部分７２ａ，７４ａの下り勾配G1，G2よりも傾斜部６０の下り勾配G3の方が大きいので、第一・第二の立壁部５２，５４に沿って下り部分７２ａ，７４ａ上を流れ方向Ｄ１１，Ｄ１２へ流れてきた排水は、傾斜部６０で一時保水部２０内に向かって流れ方向が整えられながら、速度を上げる。
また、図５（ａ）〜（ｃ）に示すように、流入口５６に向かって下がる部分７２ａ，７４ａにおいて第一の領域７２の下り勾配G1が第二の領域７４の下り勾配G2よりも大きく、さらに傾斜部６０の下り勾配G3が第一の領域７２の下り勾配G1よりも大きいので、第二の領域７４上の排水は、一時保水部内の旋回流の回転方向Ｄ１と逆方向から案内されるものの、最も大きな下り勾配を持つ傾斜部６０で該旋回流を減衰させにくい方向へ向きが変えられる。また、第二の下り部分７４ａの下り勾配G2が第一の下り部分７２ａの下り勾配G1よりも小さいので、第二の下り部分７４ａの排水は、少量第一の下り部分７２ａへ流れ込んだとしても、流速が第一の下り部分７２ａの流速よりも低く、旋回流を減衰させ難い。
さらに、流入口５６へ流れる第一・第二の下り部分７２ａ，７４ａからの排水が同じ高さで合流しないので、第一の下り部分７２ａ上で一時保水部２０内の旋回流に合わせた向きへ案内される排水の流れが第二の下り部分７４ａ上を案内される排水の流れの影響を受けにくい。
以上より、少ない排水量でも効果的に旋回流を発生させることができる。 Here, as shown in FIG. 5, the downward gradient G3 of the inclined portion 60 is larger than the downward gradients G1 and G2 of the downward portions 72a and 74a along the first and second standing wall portions in the flange portion. The drainage that has flowed in the flow directions D11 and D12 on the descending portions 72a and 74a along the first and second standing wall portions 52 and 54 is adjusted in the flow direction toward the inside of the temporary water retaining portion 20 by the inclined portion 60. While increasing the speed.
Further, as shown in FIGS. 5A to 5C, the downward gradient G1 of the first region 72 is larger than the downward gradient G2 of the second region 74 in the portions 72a and 74a that descend toward the inflow port 56. Furthermore, since the downward gradient G3 of the inclined portion 60 is larger than the downward gradient G1 of the first region 72, the drainage on the second region 74 is guided from the direction opposite to the rotational direction D1 of the swirling flow in the temporary water retaining portion. However, the direction can be changed in a direction in which the swirl flow is not easily attenuated by the inclined portion 60 having the largest downward gradient. Further, since the downward gradient G2 of the second downward portion 74a is smaller than the downward gradient G1 of the first downward portion 72a, even if a small amount of drainage of the second downward portion 74a flows into the first downward portion 72a. The flow velocity is lower than the flow velocity of the first descending portion 72a and it is difficult to attenuate the swirling flow.
Further, since the drainage from the first and second descending portions 72a and 74a flowing to the inflow port 56 does not merge at the same height, the direction according to the swirl flow in the temporary water retaining portion 20 on the first descending portion 72a. The flow of drainage guided to is less affected by the flow of drainage guided on the second descending portion 74a.
As described above, the swirl flow can be effectively generated even with a small amount of drainage.

傾斜部６０を流下して流れ方向が整えられた排水は、下部排水流出部２２の重心ＣＥ１から水平方向へずれた位置に向かって凹状の一時保水部２０に流入し、該一時保水部２０で一時的に保水されながら左回りに旋回し、下部排水流出部２２から下方へ流出する。排水が一時保水部壁部２１の内周面に沿う方向へ流入するので、旋回流は下部排水流出部２２を通り鉛直に向いた仮想の回転軸ＡＸ１を中心とするような渦流となる。ここで、フランジ部の第一の下り部分７２ａにより流速を高めた排水が流入口５６から一時保水部２０へ導入されるので、一時保水部２０内の排水の流れが一定となる。従って、一時保水部２０内で一時的に溜まった排水の渦流の中で、図６（ｂ）に示すように毛髪Ｈ１等の異物が浮遊しながら旋回して効果的に集まり、下部排水流出部２２からの毛髪Ｈ１等の流出が抑止される。むろん、下部排水流出部２２から毛髪Ｈ１等が流出しようとしても、複数の水抜き孔２３を形成した下部排水流出部２２に引っ掛かることにより毛髪Ｈ１等の流出が抑止される。 The drainage whose flow direction is adjusted by flowing down the inclined part 60 flows into the concave temporary water retention part 20 toward the position shifted from the center of gravity CE1 of the lower drainage outflow part 22 in the horizontal direction. It turns counterclockwise while temporarily retaining water and flows downward from the lower drainage outlet 22. Since the drainage flows in the direction along the inner peripheral surface of the temporary water retention wall 21, the swirling flow becomes a vortex that is centered on the virtual rotation axis AX 1 that passes through the lower drainage outlet 22 and is directed vertically. Here, the waste water whose flow velocity is increased by the first descending portion 72a of the flange portion is introduced from the inflow port 56 to the temporary water retaining portion 20, so that the flow of the waste water in the temporary water retaining portion 20 becomes constant. Accordingly, in the swirl of the drainage temporarily accumulated in the temporary water retention unit 20, the foreign matter such as the hair H1 swirls and gathers effectively while floating as shown in FIG. The outflow of hair H1 and the like from 22 is suppressed. Of course, even if the hair H1 or the like tries to flow out from the lower drainage outflow portion 22, the hair H1 or the like is prevented from flowing out by being caught by the lower drainage outflow portion 22 in which the plurality of drain holes 23 are formed.

また、下部排水流出部２２の排水流出流量を超える排水が一時保水部２０に流入すると、排水は、一時保水部２０に入りきらず上縁部２１ａを超え、上部排水流出部３０から流出する。図６（ｂ）は、排水が上縁部２１ａを超えて位置Ｌ１にまで上昇していることを示している。このとき、下部排水流出部２２から流出した排水が封水面Ｓまで流れ方向Ｄ１４へ落下するとともに、上部排水流出部３０から流出した排水が封水面Ｓまで流れ方向Ｄ１５へ落下する。ここで、一時保水部２０内の排水中の毛髪等は集まって浮遊し旋回しているため、上部排水流出部の孔３２から流出しようとする毛髪等は少ない。また、上部排水流出部３０から毛髪Ｈ１等が流出しようとしても、複数の孔３２が形成された上部排水流出部３０に引っ掛かることにより毛髪Ｈ１等の流出が抑止される。従って、上部排水流出部３０は、従来のヘアキャッチャーに設けられたオーバーフロー用の開口部のように毛髪等が流出してしまう開口部とは異なる。 Further, when waste water exceeding the drainage outflow rate of the lower drainage outflow portion 22 flows into the temporary water retention portion 20, the wastewater does not enter the temporary water retention portion 20, exceeds the upper edge portion 21 a, and flows out from the upper drainage outflow portion 30. FIG. 6B shows that the drainage has risen to the position L1 beyond the upper edge portion 21a. At this time, the wastewater that has flowed out from the lower drainage outflow portion 22 falls in the flow direction D14 to the sealing surface S, and the drainage that has flowed out from the upper drainage outflow portion 30 falls in the flow direction D15 to the sealing surface S. Here, since the hair and the like in the drainage water in the temporary water retention unit 20 gather and float and swirl, there are few hairs and the like trying to flow out from the hole 32 of the upper drainage outflow part. Moreover, even if the hair H1 or the like is about to flow out from the upper drainage outflow portion 30, the outflow of the hair H1 or the like is suppressed by being caught by the upper drainage outflow portion 30 in which the plurality of holes 32 are formed. Therefore, the upper drainage outflow portion 30 is different from an opening through which hair or the like flows out, such as an overflow opening provided in a conventional hair catcher.

一時保水部２０に排水が流入しなくなると、毛髪Ｈ１等が浮遊して集まった排水が下部排水流出部２２から流出し、図６（ｃ）に示すように毛髪Ｈ１等がまとまった状態で一時保水部２０内に残存する。捕集した毛髪等を捨てる際には、排水桝１１２からカバー１２０を取り外した後にヘアキャッチャー１０を取り外して裏返す作業をすればよい。毛髪等がまとまった状態で一時保水部２０内に存在するので、上下逆にされた一時保水部２０から毛髪等が容易に落下する。
図８（ｃ）に示した従来例のように排水が速やかにヘアキャッチャーを通過するようにされていると毛髪等がヘアキャッチャーに絡みついて毛髪等を除去し難くなるが、本ヘアキャッチャー１０は、排水が徐々に下部排水流出部２２を通過するので、良好な毛髪除去性を得ることができ、清掃し易い。 When the drainage does not flow into the temporary water retention unit 20, the drainage collected by the floating hair H1 and the like flows out from the lower drainage outflow unit 22 and temporarily stays in the state where the hair H1 and the like are gathered as shown in FIG. 6 (c). It remains in the water retention unit 20. When discarding the collected hair or the like, the hair catcher 10 may be removed and turned over after removing the cover 120 from the drain 112. Since the hair or the like is present in the temporary water retention unit 20 in a state of being gathered, the hair or the like easily drops from the temporary water retention unit 20 turned upside down.
If the drainage is allowed to pass through the hair catcher quickly as in the conventional example shown in FIG. 8 (c), it will be difficult for the hair etc. to get entangled with the hair catcher. Since the wastewater gradually passes through the lower drainage outflow portion 22, good hair removability can be obtained and cleaning is easy.

また、図８（ａ）〜（ｃ）に示した従来例のように洗い場からの全排水が一度にヘアキャッチャー全体を通過すると毛髪等がヘアキャッチャー全体に付着して目詰まりし易くなるが、本ヘアキャッチャー１０は、上部排水流出部３０に直接排水が流れ込まないので、上部排水流出部３０の閉塞を抑止して安定した排水能力を得ることができる。
さらに、図８（ａ）〜（ｃ）に示した従来例では封水筒や排水桝等を特別な構造にすることより渦流を発生させる必要があるが、本ヘアキャッチャー１０は、上述した良好な毛髪除去性及び安定した排水能力をヘアキャッチャー単独の構造のみで得ることができる。特に、図８（ａ）（ｂ）に示した従来例では洗い場からの排水が全て排水量調節部品９０４を通過することにより排水能力が制限されるが、本ヘアキャッチャー１０によると、封水筒の排水能力を制限する必要が無いので、安定した排水能力が得られる。また、図８（ｃ）に示した従来例では渦流を発生させるために浴槽排水が必要であるが、本ヘアキャッチャー１０は、浴槽排水を用いず洗い場シャワー等の洗い場からの排水だけで良好な毛髪除去性を得ることができる。
従って、本ヘアキャッチャー１０によると、ヘアキャッチャーを設ける排水トラップに特別な構造を設ける必要が無く、良好な毛髪除去性及び良好な清掃性並びに安定した排水能力を得ることが可能となる。むろん、これらの性能は、既存の排水トラップからヘアキャッチャーのみを交換することにより得られることになる。従って、排水トラップを安価にすることが可能になる。 Also, as in the conventional example shown in FIGS. 8 (a) to 8 (c), when all the waste water from the washing place passes through the entire hair catcher at once, the hair etc. adheres to the entire hair catcher and is easily clogged. Since the hair catcher 10 does not directly flow into the upper drainage outflow portion 30, the hair catcher 10 can obtain a stable drainage capacity by preventing the upper drainage outflow portion 30 from being blocked.
Furthermore, in the conventional example shown in FIGS. 8A to 8C, it is necessary to generate a vortex by making a sealed tube, a drainage tub, etc. a special structure. Hair removability and stable drainage ability can be obtained only by the structure of the hair catcher alone. In particular, in the conventional example shown in FIGS. 8 (a) and 8 (b), the drainage capacity is limited by all drainage from the washing place passing through the drainage amount adjusting component 904. According to the hair catcher 10, however, Since there is no need to limit the capacity, a stable drainage capacity can be obtained. In addition, in the conventional example shown in FIG. 8C, bathtub drainage is necessary to generate eddy currents, but this hair catcher 10 is good only by draining from a washroom such as a washroom shower without using bathtub drainage. Hair removability can be obtained.
Therefore, according to the present hair catcher 10, it is not necessary to provide a special structure in the drain trap provided with the hair catcher, and it is possible to obtain good hair removal property, good cleaning property and stable drainage capability. Of course, these performances can be obtained by replacing only the hair catcher from the existing drain trap. Accordingly, the drain trap can be made inexpensive.

なお、洗い場から流入する排水が少ないときには一時保水部２０内で旋回流が生じないこともあるが、この場合でも一時保水部２０内で一時的に溜まった排水の中で毛髪等が浮遊して集まり、下部排水流出部２２からの毛髪等の流出が抑止される。むろん、流入する排水が一時保水部２０に一時的に保水されない程度に少ないときであっても、複数の水抜き孔２３を形成した下部排水流出部２２により毛髪等の流出が抑止され、下部排水流出部２２から排水が徐々に流出するので毛髪等の絡みつきによる毛髪除去性の低下が抑止される。 In addition, when there is little waste water flowing in from the washing place, a swirl flow may not be generated in the temporary water retention unit 20, but even in this case, hair etc. floats in the waste water temporarily accumulated in the temporary water retention unit 20. Collecting, the outflow of hair and the like from the lower drainage outflow portion 22 is suppressed. Of course, even when the inflowing wastewater is so small that it is not temporarily retained in the temporary water retaining portion 20, the lower drainage outflow portion 22 having a plurality of drain holes 23 prevents outflow of hair and the like. Since the waste water gradually flows out from the outflow portion 22, a reduction in hair removability due to entanglement of hair or the like is suppressed.

（３）変形例：
本発明のヘアキャッチャーは、種々の変形例が考えられる。
ヘアキャッチャーを構成する各部は、全て一体化されていてもよいし、独立した部材で構成されてもよい。
洗い場及び浴槽に対するヘアキャッチャーの向きは、上述した実施形態に限定されず、例えば、鉛直に向いた仮想の回転軸ＡＸ１を中心として３６０°全ての向きに変更可能である。従って、洗い場からの排水を一時保水部へ通す流入口は、上述した実施形態のように洗い場側に配置される以外にも、浴槽側に配置されてもよいし、洗い場側と浴槽側との中間的な位置等に配置されてもよい。
洗い場からの排水を一時保水部へ通す流入口は、立壁部に設けられる隙間以外にも、これらの部位に設けられる開口等でもよい。
上記一時保水部は、半球状や、上下逆の円錐の頂点を丸くしたような凹状に形成してもよい。すると、一時保水部内で排水が旋回流になり易くなると考えられ、毛髪等をよりまとめて捨てやすくすることができると考えられる。
上記下部排水流出部や上記上部排水流出部は、複数の孔で形成する以外にも、繊維や針金等を編んで形成した網で構成したり、複数のスリットで形成したりすることが可能である。
上記上部排水流出部の外側に配置される立壁部は、鉛直方向に延出した形状以外にも、鉛直方向からずれた方向に延出した形状等でもよい。 (3) Modification:
Various modifications can be considered for the hair catcher of the present invention.
All the parts constituting the hair catcher may be integrated, or may be constituted by independent members.
The direction of the hair catcher with respect to the washing area and the bathtub is not limited to the above-described embodiment, and can be changed to all 360 degrees around a virtual rotation axis AX1 that is vertically oriented, for example. Therefore, the inflow port through which the wastewater from the washing place is passed to the temporary water holding part may be arranged on the bathtub side in addition to being arranged on the washing area side as in the above-described embodiment, or between the washing area side and the bathtub side. It may be arranged at an intermediate position or the like.
In addition to the gap provided in the standing wall, the inflow port through which the wastewater from the washing place is passed to the temporary water holding unit may be an opening provided in these parts.
The temporary water retaining portion may be formed in a hemispherical shape or a concave shape in which the top of an inverted cone is rounded. Then, it is thought that drainage becomes a swirl flow easily in the temporary water retention part, and it is considered that hair and the like can be more easily discarded.
The lower drainage outflow part and the upper drainage outflow part can be formed by a net formed by knitting fibers or wires, etc., or can be formed by a plurality of slits, in addition to being formed by a plurality of holes. is there.
In addition to the shape extending in the vertical direction, the standing wall portion disposed outside the upper drainage outflow portion may have a shape extending in a direction shifted from the vertical direction.

上記立壁部は、上述した実施形態のように分割された第一・第二の立壁部で構成される以外にも、浴槽側で繋がった第一・第二の立壁部で構成されてもよい。また、上記立壁部には、上記第一・第二の立壁部の他、流入口を挟まない第三の立壁部が含まれてもよい。 The standing wall portion may be composed of first and second standing wall portions connected on the bathtub side in addition to the first and second standing wall portions divided as in the above-described embodiment. . In addition to the first and second standing wall portions, the standing wall portion may include a third standing wall portion that does not sandwich the inflow port.

上記排水導入部が一時保水部内に発生させる旋回流は、上述した実施形態とは逆の右回りでもよい。また、旋回流の回転軸ＡＸ１の向きは、鉛直方向から斜めにずれた方向でもよく、水平方向でもよい。
上記一時保水部が上下逆の角錐の形状、又は、上下逆の角錐の頂点及び稜線を丸くしたような形状である場合、上記排水導入部は一時保水部壁部の水平断面の辺に沿った方向へ洗い場からの排水を導いてもよい。 The swirl flow generated in the temporary water retention unit by the drainage introduction unit may be clockwise as opposed to the above-described embodiment. Further, the direction of the rotational axis AX1 of the swirling flow may be a direction obliquely shifted from the vertical direction or a horizontal direction.
In the case where the temporary water retention part is in the shape of a pyramid that is upside down or rounded at the apex and ridge line of the upside down pyramid, the drainage introduction part is along the side of the horizontal section of the wall part of the temporary water retention part You may guide the drainage from the washroom in the direction.

また、図７に示すヘアキャッチャー２１０のように、一時保水部２２０の底に上方へ突出した凸部２２４が設けられてもよい。この一時保水部２２０は、凸部２２４の周囲に複数の水抜き孔２２３を有する下部排水流出部２２２が設けられている。この変形例でも、一時保水部内で一時的に溜まった排水の中で毛髪等が浮遊して集まり、毛髪等がまとまった状態で一時保水部内に残存して、良好な毛髪除去性及び安定した排水能力を得る効果が得られる。
さらに、一時保水部の底に設けられる凸部は、上方へ膨出した部位等でもよい。 Moreover, the convex part 224 which protruded upwards may be provided in the bottom of the temporary water retention part 220 like the hair catcher 210 shown in FIG. The temporary water retaining part 220 is provided with a lower drainage outflow part 222 having a plurality of drain holes 223 around the convex part 224. Even in this modified example, the hair etc. floats and collects in the drainage water temporarily stored in the temporary water retention part, and remains in the temporary water retention part in a state where the hair etc. is gathered, and has good hair removability and stable drainage. The effect of acquiring ability is obtained.
Furthermore, the convex part provided at the bottom of the temporary water retaining part may be a part that bulges upward.

なお、本発明を適用可能な洗い場は、浴室の洗い場以外にも、洗面化粧台の排水トラップに繋がる洗面台、理容店や美容室の排水トラップに繋がる洗面台、等でもよい。
また、本発明は、上述した実施形態や変形例に限られず、上述した実施形態および変形例の中で開示した各構成を相互に置換したり組み合わせを変更したりした構成、公知技術並びに上述した実施形態および変形例の中で開示した各構成を相互に置換したり組み合わせを変更したりした構成、等も含まれる。 In addition to the bathroom washroom, the washroom to which the present invention can be applied may be a washstand connected to a drainage trap of a bathroom vanity, a washstand connected to a drainage trap of a barber shop or a beauty salon, and the like.
In addition, the present invention is not limited to the above-described embodiments and modifications, and the configurations disclosed in the above-described embodiments and modifications are mutually replaced, the combination is changed, the known technology, and the above-described configurations. Configurations in which the respective configurations disclosed in the embodiments and modifications are mutually replaced or combinations thereof are also included.

ヘアキャッチャーを設けた排水トラップを示す垂直断面図。The vertical sectional view which shows the drain trap which provided the hair catcher. 図１に示す排水トラップの分解斜視図。The exploded perspective view of the drain trap shown in FIG. 図１に示すヘアキャッチャーの外観を示す斜視図。The perspective view which shows the external appearance of the hair catcher shown in FIG. 図１に示すヘアキャッチャーを上から見て示す平面図。The top view which shows the hair catcher shown in FIG. 1 seeing from the top. 図１に示すヘアキャッチャーを図４のＡ３−Ａ３，Ａ４−Ａ４，Ａ５−Ａ５の位置で断面視して示す垂直断面図。FIG. 5 is a vertical sectional view showing the hair catcher shown in FIG. 1 in a sectional view at positions A3-A3, A4-A4, A5-A5 in FIG. 図１に示すヘアキャッチャーの側面図及び垂直断面図。The side view and vertical sectional view of the hair catcher shown in FIG. 変形例に係るヘアキャッチャーの垂直断面図。The vertical sectional view of the hair catcher concerning a modification. 排水トラップの従来例を示す図。The figure which shows the prior art example of a drain trap.

Explanation of symbols

１…排水トラップ、
１０，２１０…ヘアキャッチャー、
２０…一時保水部、２１…壁部、２１ａ…上縁部、
２２…下部排水流出部、２３…水抜き孔、
３０…上部排水流出部、３２…孔、
５０…立壁部、
５２…第一の立壁部、５４…第二の立壁部、５６…流入口、
６０…傾斜部、
７０…フランジ部、
７２…第一の領域、７２ａ…第一の下り部分、
７４…第二の領域、７４ａ…第二の下り部分、
７６，７７…隅部、
１１０…床材、１１２…排水桝、１２０…カバー、
１３０…トラップ本体、１４０…締め付けフランジ、１５０…封水筒、
ＡＸ１…仮想の回転軸、Ｂ１…浴槽、ＣＥ１…下部排水流出部の平面図形の重心、
Ｄ１…旋回流の回転方向、Ｄ１１〜Ｄ１５…排水の流れ方向、
Ｈ１…毛髪、Ｓ…封水面、Ｗ１…洗い場、 1 ... Drain trap,
10, 210 ... Hair catcher,
20 ... Temporary water retention part, 21 ... Wall part, 21a ... Upper edge part,
22 ... Lower drainage outlet, 23 ... Drain hole,
30 ... upper drainage outflow part, 32 ... hole,
50: Standing wall,
52 ... 1st standing wall part, 54 ... 2nd standing wall part, 56 ... inflow port,
60 ... inclined part,
70 ... flange part,
72 ... 1st area | region, 72a ... 1st descent | fall part,
74 ... second region, 74a ... second descending part,
76, 77 ... corner,
110 ... floor material, 112 ... drainage, 120 ... cover,
130 ... Trap body, 140 ... Fastening flange, 150 ... Sealing tube,
AX1 ... virtual rotation axis, B1 ... bathtub, CE1 ... the center of gravity of the plane figure of the lower drainage outflow part,
D1 ... rotational direction of swirl flow, D11 to D15 ... flow direction of drainage,
H1 ... hair, S ... sealed surface, W1 ... washing area,

Claims

A hair catcher provided in a drain trap,
A concave drainage water retaining portion that has a lower drainage outflow portion that allows drainage to flow out while suppressing the outflow of hair in the drainage, and that temporarily drains the drained water while flowing out the drainage from the lower drainage outflow portion. When,
An upper drainage outflow part that extends from the upper part of the temporary water retention part and discharges the wastewater that does not enter the temporary water retention part while suppressing the outflow of hair during drainage,
First and second standing wall portions disposed outside the upper drainage outflow portion across an inlet through which drainage passes to the temporary water retention portion;
From the outside of the first and second standing wall portions through the inlet, toward the position shifted in the horizontal direction from the center of gravity of the plane figure of the lower drainage outflow portion projected onto the virtual horizontal plane in the temporary water retention portion A sloped part,
A flange portion that extends outward from the standing wall portion and receives drainage from the washing area, and has a slope that decreases toward the inlet,
The second standing wall portion is a standing wall portion closer to the position where the inclined portion is lowered than the first standing wall portion as seen from the center of gravity of the plan view of the lower drainage outflow portion,
A downward slope of the flange portion at a portion along the first standing wall portion and descending toward the inlet is G1%, and a portion along the second standing wall portion and toward the inlet. The flange portion and the inclined portion are formed in a shape satisfying G2 <G1 <G3, where the downward gradient of the flange portion of the downwardly extending portion is G2% and the downward gradient of the inclined portion is G3%. Hair catcher to do.

The upper surface of the flange portion of the portion along the second standing wall portion where drainage flows to the inflow port is a portion along the first standing wall portion and where drainage flows to the inflow port. The hair catcher according to claim 1, wherein the hair catcher is higher than an upper surface of the flange portion.