JP2015074876A - Dirt discharge device - Google Patents

Dirt discharge device Download PDF

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JP2015074876A
JP2015074876A JP2013209633A JP2013209633A JP2015074876A JP 2015074876 A JP2015074876 A JP 2015074876A JP 2013209633 A JP2013209633 A JP 2013209633A JP 2013209633 A JP2013209633 A JP 2013209633A JP 2015074876 A JP2015074876 A JP 2015074876A
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bowl
water
swirl flow
swirling
guide surface
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JP6242140B2 (en
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善博 吉澤
Yoshihiro Yoshizawa
善博 吉澤
寿治 加藤
Toshiharu Kato
寿治 加藤
勲 本木
Isao Motoki
勲 本木
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Lixil Corp
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Lixil Corp
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Abstract

PROBLEM TO BE SOLVED: To enhance discharge efficiency of dirt.SOLUTION: A dirt discharge device includes: a bowl part 10 which receives dirt; a swirl flow generation part 20 which is formed in a pit shape at a lower part of the bowl part 10, and constitutes a water sealing part 26; discharge ports 18L, 18R which discharge washing water to a bowl surface 21 in a region, above the swirl flow generation part 20, of an inner surface of the bowl part 10 so that the washing water swirls; and a fall guide surface 31 which is formed to be raised in a step shape from the bowl surface 21, and extends in a direction crossing an opening edge 20Y of the swirl flow generation part 20 in plan view and then guides the washing water swirling along the bowl surface 21 to let the washing water fall into the swirl flow generation part 20.

Description

本発明は、汚物排出装置に関する。   The present invention relates to a waste discharging apparatus.

特許文献１には、鉢部の下端部に、排水路の入口に連なる竪穴状の旋回流生成部を形成し、鉢面に、旋回流生成部の開口縁に対して接線状に連なるような段部を突出形成した汚物排出装置が記載されている。この装置では、鉢面に沿って流れる洗浄水が、段部に誘導されて旋回流生成部内で旋回流となり、その旋回流の勢いによって汚物を排水路側へ送り出す。このように旋回流によって排出効率を高めることにより、洗浄水の消費量を抑えることができる。   In Patent Document 1, a pothole-shaped swirling flow generating portion that is continuous with the inlet of the drainage channel is formed at the lower end portion of the pot portion, and the pot surface is connected tangentially to the opening edge of the swirling flow generating portion. A filth discharge device having a stepped portion is described. In this apparatus, the washing water flowing along the bowl surface is guided to the stepped portion to become a swirling flow in the swirling flow generating portion, and the filth is sent to the drainage channel side by the momentum of the swirling flow. Thus, by increasing the discharge efficiency by the swirl flow, the consumption of the washing water can be suppressed.

特開平１１−０６１９５０号公報Japanese Patent Application Laid-Open No. 11-061950

排出効率を高めるためには、鉢面に供給される洗浄水の流速を速めることが効果的である。しかし、洗浄水の流速が速すぎると遠心力が大きくなるため、洗浄水は、段部で誘導しても旋回流生成部内に収まり難くなる。
本発明は、上記従来の実情に鑑みてなされたものであって、汚物の排出効率を高めることを解決すべき課題としている。 In order to increase the discharge efficiency, it is effective to increase the flow rate of the cleaning water supplied to the bowl surface. However, if the flow rate of the cleaning water is too high, the centrifugal force increases, so that it becomes difficult for the cleaning water to be contained in the swirl flow generation unit even if it is guided by the stepped portion.
This invention is made | formed in view of the said conventional situation, Comprising: It makes it the problem which should be solved to raise the discharge | emission efficiency of filth.

本発明の汚物排出装置は、
汚物を受ける鉢部と、
前記鉢部の下部に竪穴状に形成され、水封部を構成する旋回流生成部と、
前記鉢部の内面のうち前記旋回流生成部よりも上方領域の鉢面に対し、洗浄水を旋回させるように吐出する吐水口と、
前記鉢面から段差状に立ち上がるように形成され、平面視において前記旋回流生成部の開口縁に対して交差する向きに延びた形態であって、前記鉢面に沿って旋回する洗浄水を前記旋回流生成部内へ落下させるように誘導する落下用誘導面とを備えていることを特徴とする。 The waste discharging apparatus of the present invention is
A bowl receiving filth,
A swirl flow generating part that is formed in a pothole shape at the bottom of the bowl part and constitutes a water seal part,
A spout that discharges the swirling water to swirl the bowl surface in the region above the swirl flow generating portion of the inner surface of the pot portion,
It is formed so as to rise from the bowl surface in a step shape, and extends in a direction intersecting with the opening edge of the swirl flow generating portion in plan view, and the washing water swirling along the bowl surface is And a drop guide surface for guiding the drop into the swirl flow generator.

吐水口から吐出されて鉢面を旋回する洗浄水の一部は、そのまま旋回しながら旋回流生成部内に流入し、それ以外の洗浄水は、落下用誘導面により強制的に旋回流生成部内へ落下し、この落下の勢いにより鉢面上で旋回する洗浄水が旋回流生成部内に引き込まれる。落下用誘導面に誘導された洗浄水の流束の方向は、平面視において旋回流生成部の開口縁に対して交差する向きなので、旋回力が小さく抑えられ、その分、落下方向の勢いが高められている。したがって、本発明によれば、鉢面で旋回する洗浄水の流速が高くても、その洗浄水を効果的に旋回流生成部内に引き込んで、汚物の排出効率を高めることができる。   A part of the washing water discharged from the water outlet and swirling the bowl surface flows into the swirling flow generating section while swirling as it is, and the other washing water is forced into the swirling flow generating section by the drop guiding surface. The wash water that falls and swirls on the bowl surface by the momentum of the drop is drawn into the swirl flow generating unit. The direction of the washing water flux guided to the drop guide surface is a direction that intersects the opening edge of the swirl flow generation unit in plan view, so that the swirl force is kept small, and the moment of the drop direction is increased accordingly. Has been enhanced. Therefore, according to this invention, even if the flow rate of the washing water swirling on the bowl surface is high, the washing water can be effectively drawn into the swirling flow generating section, and the waste discharge efficiency can be increased.

実施例１の汚物排出装置の平面図The top view of the filth discharge apparatus of Example 1 図１のＡ−Ａ線断面図AA line sectional view of FIG. 図２のＢ−Ｂ線断面図BB sectional view of FIG. 図１のＣ−Ｃ線断面図CC sectional view of FIG. 図１のＤ−Ｄ線断面図DD sectional view of FIG. 図１のＥ−Ｅ線断面図EE sectional view of FIG. 図１のＦ−Ｆ線断面図FF sectional view of FIG. 図１のＧ−Ｇ線断面図GG sectional view of FIG.

（１）本発明の汚物排出装置は、前記鉢面から段差状に立ち上がるように形成され、平面視において前記旋回流生成部の開口縁に対して接線状となるように延びた形態であって、前記鉢面に沿って旋回する洗浄水を前記旋回流生成部内に誘導する旋回用誘導面を備えていてもよい。この構成によれば、吐水口から鉢面に吐出される洗浄水の流速が低くても、旋回用誘導面によって旋回流生成部内の洗浄水に十分な旋回力を付与することができる。   (1) The waste discharging apparatus of the present invention is formed so as to rise in a step shape from the bowl surface, and extends so as to be tangential to the opening edge of the swirl flow generating unit in plan view. In addition, a swirling guide surface that guides cleaning water swirling along the bowl surface into the swirling flow generating unit may be provided. According to this configuration, even if the flow rate of the cleaning water discharged from the water outlet to the bowl surface is low, a sufficient swirling force can be applied to the cleaning water in the swirling flow generating section by the swirling guide surface.

（２）本発明の汚物排出装置は、前記旋回流生成部内において、前記落下用誘導面によって落下する洗浄水の流束の向きが、前記旋回用誘導面によって前記旋回流生成部内に誘導される洗浄水の流束に対して略直交する向きであってもよい。この構成によれば、旋回流の流束の向きが、落下する洗浄水により水平に対して斜めをなすように変えられる。これにより、排出効率が高まる。   (2) In the waste discharging apparatus of the present invention, in the swirl flow generation unit, the direction of the flow of the washing water falling by the drop guide surface is guided into the swirl flow generation unit by the swirl guide surface. The direction may be substantially orthogonal to the cleaning water flux. According to this configuration, the direction of the swirl flow flux is changed by the falling wash water so as to be inclined with respect to the horizontal. Thereby, discharge efficiency increases.

（３）本発明の汚物排出装置は、水平面に対する前記落下用誘導面の立ち上がり角度が、水平面に対する前記旋回用誘導面の立ち上がり角度より大きくてもよい。この構成によれば、洗浄水を旋回流生成部内に引き込む作用が、より強力となる。   (3) In the waste discharging apparatus of the present invention, the rising angle of the dropping guiding surface with respect to the horizontal plane may be larger than the rising angle of the turning guiding surface with respect to the horizontal plane. According to this structure, the effect | action which draws in wash water in a swirl flow production | generation part becomes stronger.

（４）本発明の汚物排出装置は、前記鉢面のうち前記落下用誘導面に隣接する領域の水平面に対する傾斜角度が、前記鉢面のうち前記旋回用誘導面に隣接する領域の水平面に対する傾斜角度よりも大きくてもよい。この構成によれば、洗浄水を旋回流生成部内に引き込む作用が、より強力となる。   (4) In the waste discharging apparatus of the present invention, an inclination angle with respect to a horizontal plane of the bowl surface adjacent to the drop guide surface is inclined with respect to a horizontal plane of the bowl face adjacent to the turning guide surface. It may be larger than the angle. According to this structure, the effect | action which draws in wash water in a swirl flow production | generation part becomes stronger.

＜実施例１＞
以下、本発明を具体化した実施例１を図１〜図８を参照して説明する。本実施例の汚物排出装置は、洋風大便器、汚物流し等、汚物を排出する衛生機器として機能するものと定義される。尚、以下の説明において、前後方向に関しては、図１における下側を前側、図１における上側を後側と定義する。また、左右方向に関しては、装置を正面から視た向き、つまり、図１にあらわれる向きをそのまま左側及び右側と定義する。 <Example 1>
A first embodiment of the present invention will be described below with reference to FIGS. The filth discharge device of this embodiment is defined as functioning as a sanitary device that discharges filth, such as Western-style toilets, filth logistics. In the following description, with respect to the front-rear direction, the lower side in FIG. 1 is defined as the front side, and the upper side in FIG. 1 is defined as the rear side. As for the left-right direction, the direction of the apparatus viewed from the front, that is, the direction appearing in FIG.

＜汚物排出装置の概要＞
汚物排出装置は、図２に示すように、上面が開放された形態であって汚物（図示省略）を受ける鉢部１０と、鉢部１０の下端に連なって鉢部１０内の汚物を洗浄水（図示省略）と一緒に排出する排水路２３と、水封部２６とを備えて構成されている。後述するように水封部２６は、鉢部１０の下端部と、排水路２３の上流側端部とを構成している。 <Outline of waste discharging device>
As shown in FIG. 2, the filth discharge apparatus has a configuration in which the upper surface is opened and receives the filth (not shown), and the filth in the basin 10 is washed with water by connecting to the lower end of the basin 10. A drainage channel 23 that discharges together (not shown) and a water seal portion 26 are provided. As will be described later, the water seal portion 26 constitutes a lower end portion of the pot portion 10 and an upstream end portion of the drainage channel 23.

図１に示すように、鉢部１０の上面の開口部の平面形状は略方形をなしている。鉢部１０の上面の開口縁部は、前縁部１１と、右側縁部１２Ｒと、左側縁部１２Ｌと、後縁部１３とで構成されている。後縁部１３の左右方向中央部には、給水口１４が形成されている。また、図３に示すように、鉢部１０の開口縁部には、図示しないフラッシュバルブから給水口１４を通して供給された洗浄水を鉢部１０に吐出するためのリム通水路１５が形成されている。   As shown in FIG. 1, the planar shape of the opening on the upper surface of the bowl 10 is substantially square. The opening edge on the upper surface of the pot 10 is composed of a front edge 11, a right edge 12R, a left edge 12L, and a rear edge 13. A water supply port 14 is formed at the center in the left-right direction of the rear edge portion 13. Further, as shown in FIG. 3, a rim water passage 15 is formed at the opening edge of the basin 10 to discharge the cleaning water supplied from a flush valve (not shown) through the water supply port 14 to the basin 10. Yes.

リム通水路１５は、後縁部１３の左右方向中央部に配置されて給水口１４に連通する給水空間１６と、給水空間１６から後縁部１３の右端部（右側縁部１２Ｒの後端部）に至る第１流路１７Ｒと、給水空間１６から後縁部１３の左端部を経由して左側縁部１２Ｌの前後方向略中央部に至る第２流路１７Ｌとによって構成されている。第１流路１７Ｒの前端部（下流端部）は、折り返すように屈曲されていて、その先端が第１吐水口１８Ｒとなっている。第１吐水口１８Ｒは、平面視において反時計回り方向に開口している。第２流路１７Ｌの前端部（下流端部）は第２吐水口１８Ｌとなっている。第２吐水口１８Ｌも、第１吐水口１８Ｒと同様、平面視において反時計回り方向に開口している。   The rim water passage 15 is disposed at the center in the left-right direction of the rear edge portion 13 and communicates with the water supply port 14, and the right end portion of the rear edge portion 13 from the water supply space 16 (the rear end portion of the right edge portion 12R). ) And the second flow path 17L extending from the water supply space 16 through the left end portion of the rear edge portion 13 to the substantially central portion in the front-rear direction of the left edge portion 12L. The front end portion (downstream end portion) of the first flow path 17R is bent so as to be folded back, and the tip thereof becomes the first water discharge port 18R. The first water discharge port 18R opens in the counterclockwise direction in plan view. The front end portion (downstream end portion) of the second flow path 17L is a second water discharge port 18L. Similarly to the first water discharge port 18R, the second water discharge port 18L also opens in the counterclockwise direction in plan view.

図１，２に示すように、鉢部１０の下端部には、その平面視における略中央部を竪穴状に凹ませた形態の旋回流生成部２０が形成されている。鉢部１０の内面のうち旋回流生成部２０よりも上方の領域は、旋回流生成部２０に向かって下るように傾斜した鉢面２１となっている。第１吐水口１８Ｒと第２吐水口１８Ｌとから吐出された洗浄水は、鉢面２１上で反時計回りに旋回しながら旋回流生成部２０内に流入し、旋回流生成部２０内において反時計回り方向の旋回流ＷＲを生成する。旋回流生成部２０のうち略下半分の領域は、溜水部２２となっている。溜水部２２内でも洗浄水が旋回する。   As shown in FIGS. 1 and 2, a swirl flow generating portion 20 having a shape in which a substantially central portion in a plan view is recessed in a pothole shape is formed at the lower end portion of the pot portion 10. A region above the swirl flow generating unit 20 in the inner surface of the pot unit 10 is a bowl surface 21 inclined so as to descend toward the swirl flow generating unit 20. The wash water discharged from the first water discharge port 18R and the second water discharge port 18L flows into the swirling flow generation unit 20 while swirling counterclockwise on the bowl surface 21, and is counteracted in the swirling flow generation unit 20. A swirling flow WR in the clockwise direction is generated. A substantially lower half region of the swirling flow generating unit 20 is a water storage unit 22. The washing water swirls also in the water reservoir 22.

図２に示すように、排水路２３は、溜水部２２の下流端に連なる上昇路２４と、上昇路２４の下流端に連なる下降路２５とを備えて構成されている。つまり、排水路２３の入口（上流端）は、鉢部１０（旋回流生成部２０）の下端部（下流端）に繋がっている。そして、上昇路２４と溜水部２２とにより、水封部２６が構成されている。水封部２６が水封された状態では、洗浄水が溜水Ｗｓとして溜水部２２と上昇路２４とに貯留される。尚、溜水部２２の上端の高さは、水封時における溜水面Ｓと同じ高さであると規定される。鉢面２１や旋回流生成部２０で受け止められた汚物は、第１吐水口１８Ｒと第２吐水口１８Ｌから吐出された洗浄水に乗じて、鉢面２１上及び旋回流生成部２０内で旋回し、洗浄水とともに水封部２６、排水路２３を通って排出されるようになっている。   As shown in FIG. 2, the drainage channel 23 includes an ascending channel 24 that continues to the downstream end of the reservoir 22 and a descending channel 25 that continues to the downstream end of the ascending channel 24. That is, the inlet (upstream end) of the drainage channel 23 is connected to the lower end (downstream end) of the bowl 10 (the swirl flow generating unit 20). The ascending path 24 and the water storage part 22 constitute a water seal part 26. In the state where the water seal portion 26 is sealed, the wash water is stored in the water storage portion 22 and the ascending path 24 as the water storage Ws. In addition, the height of the upper end of the water storage part 22 is prescribed | regulated that it is the same height as the water storage surface S at the time of water sealing. The filth received by the bowl surface 21 and the swirling flow generation unit 20 is swirled on the bowl surface 21 and within the swirling flow generation unit 20 by multiplying the washing water discharged from the first water discharge port 18R and the second water discharge port 18L. The water is discharged through the water seal 26 and the drainage channel 23 together with the cleaning water.

＜汚物の排出効率を高める手段＞
鉢面２１には、旋回流生成部２０内における洗浄水の旋回流ＷＲの流速（旋回周速度）を高める手段として、旋回用誘導面３０が形成されている。図１，３に示すように、平面視において、旋回用誘導面３０は、鉢面２１の外周縁近くから旋回流生成部２０の開口縁２０Ｙの近傍まで連続して形成され、旋回流生成部２０の開口縁２０Ｙに対して概ね接線状に繋がるような位置及び向きに延びている。また、旋回用誘導面３０は、反時計回り方向（つまり、鉢面２１における洗浄水の旋回方向と同じ向き）へ膨らむように湾曲している。 <Means to increase waste discharge efficiency>
On the bowl surface 21, a swirling guide surface 30 is formed as means for increasing the flow velocity (swirl peripheral speed) of the swirling water WR in the swirling flow generator 20. As shown in FIGS. 1 and 3, in a plan view, the swivel guide surface 30 is continuously formed from the vicinity of the outer peripheral edge of the bowl surface 21 to the vicinity of the opening edge 20 </ b> Y of the swirl flow generator 20, and the swirl flow generator It extends in a position and an orientation that are generally tangential to the 20 opening edges 20Y. Further, the turning guiding surface 30 is curved so as to swell in the counterclockwise direction (that is, the same direction as the turning direction of the washing water in the bowl surface 21).

旋回流生成部２０を略中心とする円周方向において、旋回用誘導面３０の内周側の端部は、旋回用誘導面３０の外周側の端部よりも反時計回り方向にずれた位置に配置されている。そして、図３に示すように、旋回用誘導面３０の外周側の端部は、第１吐水口１８Ｒから反時計回り方向にずれ、且つ第２吐水口１８Ｌよりも時計回り方向にずれた位置、つまり、旋回流生成部２０よりも後方の位置に配置されている。旋回用誘導面３０の内周側の端部は、旋回流生成部２０の開口縁２０Ｙのうち左側縁から前縁に亘る領域に対し、斜め左後方向から斜め右前方向に合流するように配置されている。   In the circumferential direction about the swirl flow generating unit 20, the position of the inner peripheral end of the swivel guide surface 30 is shifted in the counterclockwise direction from the outer peripheral end of the swivel guide surface 30. Is arranged. And as shown in FIG. 3, the edge part of the outer peripheral side of the guidance surface 30 for rotation is shifted in the counterclockwise direction from the first water outlet 18R, and is shifted in the clockwise direction from the second water outlet 18L. In other words, it is arranged at a position behind the swirl flow generator 20. The inner peripheral end of the turning guide surface 30 is arranged so as to merge from the diagonally left rear direction to the diagonally right front direction with respect to the region extending from the left side edge to the front edge of the opening edge 20Y of the rotational flow generation unit 20. Has been.

図６に示すように、旋回用誘導面３０は、鉢面２１から鉛直方向に近い角度αで段差状に立ち上がった形態である。図１，３に示すように、平面視において、鉢面２１のうち旋回用誘導面３０よりも時計回り方向の領域（鉢面２１上における洗浄水の旋回方向上流側の領域）は、旋回用誘導面３０よりも反時計回り方向の領域（鉢面２１上における洗浄水の旋回方向下流側の領域）に比べて段差状に低くなっている。この旋回用誘導面３０は、鉢面２１に沿って旋回する洗浄水を旋回力を付与しながら旋回流生成部２０内に誘導する機能を発揮するので、吐水口１８Ｌ，１８Ｒから鉢面２１に吐出される洗浄水の流速が低くても、旋回用誘導面３０によって旋回流生成部２０内の旋回流ＷＲに十分な旋回力を付与することができる。   As shown in FIG. 6, the turning guide surface 30 has a shape that rises in a step shape from the bowl surface 21 at an angle α that is close to the vertical direction. As shown in FIGS. 1 and 3, in a plan view, a region of the bowl surface 21 that is clockwise from the turning guide surface 30 (a region upstream of the washing water turning direction on the bowl surface 21) is for turning. Compared to the region in the counterclockwise direction from the guide surface 30 (the region on the bowl surface 21 on the downstream side in the swirling direction of the washing water), the height is stepwise lower. The swiveling guide surface 30 exhibits a function of guiding the cleaning water swirling along the bowl surface 21 into the swirling flow generating unit 20 while applying a swirling force. Even if the flow rate of the wash water to be discharged is low, a sufficient swirl force can be applied to the swirl flow WR in the swirl flow generation unit 20 by the swirl guiding surface 30.

また、鉢面２１には、旋回流生成部２０内の旋回流ＷＲに下向き（排水路２３側）押込力を付与するための手段として、落下用誘導面３１が形成されている。図１，３に示すように、落下用誘導面３１は、旋回用誘導面３０と同様、鉢面２１の外周縁近くから旋回流生成部２０の開口縁２０Ｙの近傍まで連続して形成されている。   In addition, a drop guiding surface 31 is formed on the bowl surface 21 as means for applying a downward (drainage 23 side) pushing force to the swirling flow WR in the swirling flow generating unit 20. As shown in FIGS. 1 and 3, the drop guiding surface 31 is formed continuously from the vicinity of the outer peripheral edge of the bowl surface 21 to the vicinity of the opening edge 20 </ b> Y of the swirling flow generating unit 20, similar to the turning guiding surface 30. Yes.

図３に示すように、平面視において、落下用誘導面３１の外周側の端部は、第１吐水口１８Ｒから時計回り方向にずれた位置、つまり、旋回流生成部２０よりも右方の位置に配置されている。落下用誘導面３１の内周側の端部は、旋回流生成部２０の開口縁２０Ｙのうち右側縁と後縁とが連なる領域に突き当たるように位置している。換言すると、落下用誘導面３１は、旋回流生成部２０を略中心とする径方向に沿ってほぼ直線状をなし、旋回流生成部２０の開口縁２０Ｙに対し交差するように延びている。   As shown in FIG. 3, in plan view, the outer peripheral end of the drop guide surface 31 is shifted in the clockwise direction from the first water discharge port 18 </ b> R, that is, to the right of the swirl flow generating unit 20. Placed in position. An end portion on the inner peripheral side of the drop guide surface 31 is positioned so as to abut against a region where the right edge and the rear edge of the opening edge 20 </ b> Y of the swirl flow generator 20 are continuous. In other words, the drop guide surface 31 is substantially linear along the radial direction about the swirl flow generation unit 20, and extends so as to intersect the opening edge 20 </ b> Y of the swirl flow generation unit 20.

図５に示すように、落下用誘導面３１は、鉢面２１から鉛直方向に近い角度βで段差状に立ち上がった形態である。図１，３に示すように、平面視において、鉢面２１のうち落下用誘導面３１よりも時計回り方向の領域（鉢面２１上における洗浄水の旋回方向上流側の領域）は、落下用誘導面３１よりも反時計回り方向の領域（鉢面２１上における洗浄水の旋回方向下流側の領域）に比べて段差状に低くなっている。   As shown in FIG. 5, the drop guide surface 31 has a shape that rises in a step shape from the bowl surface 21 at an angle β close to the vertical direction. As shown in FIGS. 1 and 3, in a plan view, a region in the clockwise direction of the drop surface 21 of the bowl surface 21 (a region upstream of the swirling direction of the washing water on the bowl surface 21) is for dropping. Compared to the region in the counterclockwise direction from the guide surface 31 (the region on the bowl surface 21 on the downstream side in the swirling direction of the washing water), the height is stepwise lower.

図５，６に示すように、水平面に対する落下用誘導面３１の立ち上がり角度βは、水平面に対する旋回用誘導面３０の立ち上がり角度αよりも少し大きい角度に設定されている。また、図７，８に示すように、鉢面２１のうち落下用誘導面３１から時計回り方向（鉢面２１上における旋回流ＷＡ，ＷＢの上流側）へずれた隣接領域３１Ｎは、鉢面２１の外周縁から旋回流生成部２０に向かって下るように傾斜している。また、鉢面２１のうち旋回用誘導面３０から時計回り方向へずれた隣接領域３０Ｎも、鉢面２１の外周縁から旋回流生成部２０に向かって下るように傾斜している。そして、落下用誘導面３１の隣接領域３１Ｎの水平面に対する傾斜角度γは、旋回用誘導面３０の隣接領域３０Ｎの水平面に対する傾斜角度δよりも大きい角度に設定されている。尚、これらの隣接領域３０Ｎ，３１Ｎの傾斜角度γ、δは、各領域の外周端と旋回流生成部２０の開口縁２０Ｙとを結んだ直線と、水平面とのなす角度である。   As shown in FIGS. 5 and 6, the rising angle β of the drop guiding surface 31 with respect to the horizontal plane is set to be slightly larger than the rising angle α of the turning guiding surface 30 with respect to the horizontal plane. Moreover, as shown in FIGS. 7 and 8, the adjacent region 31 </ b> N shifted from the drop guide surface 31 in the clockwise direction (the upstream side of the swirling flows WA and WB on the bowl surface 21) of the bowl surface 21 is the bowl surface. It inclines so that it may descend | fall toward the turning flow production | generation part 20 from the outer periphery of 21. FIG. Further, an adjacent region 30N of the bowl surface 21 that is shifted in the clockwise direction from the turning guide surface 30 is also inclined so as to descend from the outer peripheral edge of the bowl surface 21 toward the turning flow generation unit 20. The inclination angle γ of the adjacent area 31N of the drop guiding surface 31 with respect to the horizontal plane is set to be larger than the inclination angle δ of the adjacent area 30N of the turning guiding surface 30 with respect to the horizontal plane. Note that the inclination angles γ and δ of these adjacent regions 30N and 31N are angles formed between a straight line connecting the outer peripheral end of each region and the opening edge 20Y of the swirling flow generating unit 20 and a horizontal plane.

＜作用及び効果＞
鉢部１０内を洗浄する際には、給水口１４から所定量の洗浄水をリム通水路１５に供給する。供給された洗浄水は、第１流路１７Ｒと第２流路１７Ｌを通過して第１吐水口１８Ｒと第２吐水口１８Ｌから鉢面２１に吐出される。第１吐水口１８Ｒから吐出された洗浄水の大部分は、図３に矢線ＷＡで示すように、鉢面２１のうち旋回流生成部２０よりも後方の領域を反時計回り方向に旋回しながら汚物を鉢面２１から除去し、旋回用誘導面３０に衝突する。旋回用誘導面３０に突き当たった洗浄水と汚物は、平面視において旋回用誘導面３０の螺旋状に湾曲した形状と、旋回用誘導面３０の隣接領域３０Ｎの傾斜とにより、旋回流生成部２０内に誘導され、旋回流生成部２０内で反時計回りの旋回流ＷＲを生成する。 <Action and effect>
When cleaning the inside of the pot 10, a predetermined amount of cleaning water is supplied from the water supply port 14 to the rim water passage 15. The supplied wash water passes through the first flow path 17R and the second flow path 17L, and is discharged from the first water discharge port 18R and the second water discharge port 18L to the pot surface 21. Most of the wash water discharged from the first water discharge port 18R swirls in the counterclockwise direction in the area behind the swirling flow generating unit 20 in the bowl surface 21, as indicated by the arrow WA in FIG. The dirt is removed from the bowl surface 21 while colliding with the turning guide surface 30. The washing water and the filth that have come into contact with the swivel guide surface 30 have a swirl flow generator 20 due to the spirally curved shape of the swivel guide surface 30 and the inclination of the adjacent region 30N of the swivel guide surface 30 in plan view. And the counterclockwise swirl flow WR is generated in the swirl flow generator 20.

第２吐水口１８Ｌから吐出された洗浄水の大部分は、図３に矢線ＷＢで示すように、鉢面２１のうち旋回流生成部２０よりも左前方の領域と旋回流生成部２０よりも前方の領域と旋回流生成部２０よりも右前方の領域を、順に通過するように反時計回り方向に旋回しながら、鉢面２１から汚物を除去し、落下用誘導面３１に衝突する。落下用誘導面３１に突き当たった洗浄水と汚物は、落下用誘導面３１の隣接領域３１Ｎの傾斜により、落下用誘導面３１に沿って旋回流生成部２０内に誘導され、図８に矢線ＷＦで示すように、鉛直方向に近い角度で落下する。   Most of the washing water discharged from the second water discharge port 18L is from the swirl flow generating unit 20 and the region on the left front side of the swirling flow generating unit 20 and the swirling flow generating unit 20 as indicated by an arrow WB in FIG. In addition, while turning in the counterclockwise direction so as to sequentially pass through the front area and the area on the right front side of the swirl flow generation unit 20, dirt is removed from the bowl surface 21 and collides with the drop guide surface 31. The washing water and the filth that hit the drop guiding surface 31 are guided into the swirling flow generating unit 20 along the dropping guiding surface 31 due to the inclination of the adjacent region 31N of the dropping guiding surface 31, and an arrow line in FIG. As shown by WF, it falls at an angle close to the vertical direction.

尚、第１吐水口１８Ｒから吐出された洗浄水の一部は、旋回用誘導面３０よりも外周側を通過するとともに旋回用誘導面３０を乗り越えて、第２吐水口１８Ｌから吐出された洗浄水（旋回流ＷＢ）と合流する。また、第２吐水口１８Ｌから吐出された洗浄水の一部は、落下用誘導面３１よりも外周側を通過するとともに落下誘導面を乗り越えて、第１吐水口１８Ｒから吐出された洗浄水（旋回流ＷＡ）と合流する。   In addition, a part of the wash water discharged from the first water discharge port 18R passes the outer peripheral side from the turning guide surface 30 and passes over the turning guide surface 30 to be washed from the second water discharge port 18L. Merges with water (swirl WB). In addition, a part of the cleaning water discharged from the second water discharge port 18L passes the outer peripheral side of the drop guide surface 31 and gets over the drop guide surface, and the wash water discharged from the first water discharge port 18R ( It merges with the swirl flow WA).

旋回流生成部２０内では、鉢面２１から旋回用誘導面３０に誘導されながら流入した洗浄水と汚物が、水封部２６の溜水Ｗｓを巻き込みながら旋回する。この旋回流ＷＲは、鉢面２１から旋回流生成部２０に流入する洗浄水の下向きの勢いにより、旋回流生成部２０の下端から排水路２３側へ押し出されて、排出される。汚物の排出効率は、旋回流生成部２０から排水路２３への押し出し力が強くなるほど、高くなる。排水路２３への押し出し力を高めるためには、鉢面２１から旋回流生成部２０内に落下する洗浄水の勢いを強めることが効果的である。   In the swirl flow generating unit 20, the cleaning water and the filth that flowed in while being guided from the bowl surface 21 to the swivel guiding surface 30 swirl while entraining the stored water Ws of the water seal unit 26. The swirling flow WR is pushed out from the lower end of the swirling flow generating unit 20 to the drainage channel 23 side and discharged by the downward force of the washing water flowing into the swirling flow generating unit 20 from the bowl surface 21. The discharge efficiency of filth becomes higher as the pushing force from the swirling flow generator 20 to the drainage channel 23 becomes stronger. In order to increase the pushing force to the drainage channel 23, it is effective to increase the momentum of the washing water falling from the bowl surface 21 into the swirling flow generating unit 20.

そこで、本実施例では、汚物の排出効率を高める手段として、鉢面２１から段差状に立ち上がり、平面視において旋回流生成部２０の開口縁２０Ｙに対して交差する向きに延びた形態の落下用誘導面３１を形成した。この落下用誘導面３１は、鉢面２１に沿って旋回する洗浄水を、強制的に旋回流生成部２０内へ落下させるように誘導する機能を発揮する。したがって、落下用誘導面３１により強制的に旋回流生成部２０に誘導された洗浄水の落下の勢いにより、鉢面２１で旋回している洗浄水（旋回流ＷＢ）が旋回流生成部２０内に引き込まれる。   Therefore, in the present embodiment, as means for increasing the discharge efficiency of the filth, it rises in a step shape from the bowl surface 21 and drops in a form extending in a direction intersecting the opening edge 20Y of the swirl flow generating unit 20 in plan view. A guide surface 31 was formed. The drop guiding surface 31 exhibits a function of guiding the cleaning water swirling along the bowl surface 21 to forcibly fall into the swirling flow generating unit 20. Therefore, the washing water (swirl flow WB) swirling on the bowl surface 21 is forced into the swirl flow generator 20 by the momentum of the drop of the wash water that is forcibly guided to the swirl flow generator 20 by the drop guide surface 31. Be drawn into.

そして、図３に示すように、落下用誘導面３１に誘導された洗浄水の流束ＷＦの方向は、平面視において旋回流生成部２０の開口縁２０Ｙに対して交差する向きとなっているので、落下用誘導面３１に誘導される洗浄水の旋回力は小さく抑えられ、その分、落下方向の勢いが高められている。しかも、水平面に対する落下用誘導面３１の立ち上がり角度βは、比較的大きく角度（水平面に対する旋回用誘導面３０の立ち上がり角度αより大きい角度）に設定されており、その上、鉢面２１のうち落下用誘導面３１の隣接領域３１Ｎの水平面に対する傾斜角度γも、比較的大きい角度（鉢面２１のうち旋回用誘導面３０の隣接領域３０Ｎの水平面に対する傾斜角度δよりも大きい角度）に設定されている。したがって、洗浄水を旋回流生成部２０内に引き込む作用が、より強力となっている。これにより、鉢面２１で旋回する洗浄水の流速が高くても、その洗浄水を効果的に旋回流生成部２０内に引き込んで、汚物の排出効率を高めることができる。   As shown in FIG. 3, the direction of the cleaning water flux WF guided to the drop guide surface 31 is a direction intersecting the opening edge 20 </ b> Y of the swirling flow generating unit 20 in a plan view. Therefore, the swirl force of the washing water guided to the drop guide surface 31 is kept small, and the momentum in the drop direction is increased accordingly. Moreover, the rising angle β of the drop guiding surface 31 with respect to the horizontal plane is set to a relatively large angle (an angle larger than the rising angle α of the turning guiding surface 30 with respect to the horizontal plane). The inclination angle γ of the adjacent area 31N of the guiding surface 31 with respect to the horizontal plane is also set to a relatively large angle (an angle larger than the inclination angle δ of the bowl surface 21 with respect to the horizontal plane of the adjacent area 30N of the turning guiding surface 30). Yes. Therefore, the action of drawing the wash water into the swirl flow generator 20 is more powerful. Thereby, even if the flow rate of the washing water swirling on the bowl surface 21 is high, the washing water can be effectively drawn into the swirling flow generating unit 20 to increase the waste discharge efficiency.

また、旋回流生成部２０内においては、図４，８に示すように、落下用誘導面３１によって落下する洗浄水の流束ＷＦの向きがほぼ鉛直方向であるのに対し、旋回用誘導面３０によって旋回流生成部２０内に誘導される洗浄水（旋回流ＷＲ）の流束はほぼ水平面に沿って旋回しようとする。したがって、落下用誘導面３１の誘導によって旋回流生成部２０内を落下した洗浄水の流束ＷＦと、旋回用誘導面３０の誘導によって旋回流生成部２０内に誘導された洗浄水によって生成される旋回流ＷＲの流束とは、ほぼ直交するようにぶつかり合う。この構成によれば、旋回流ＷＲの流束の向きが、落下する洗浄水により水平に対して斜めをなすように変えられるので、旋回流生成部２０内の旋回流ＷＲが排水路２３側へ移動し易くなる。これにより、排出効率が高まる。   Further, in the swirling flow generating unit 20, as shown in FIGS. 4 and 8, the direction of the flow WF of the washing water falling by the dropping guiding surface 31 is substantially vertical, whereas the swirling guiding surface is The flux of the washing water (swirl flow WR) guided into the swirl flow generator 20 by 30 tends to swirl substantially along a horizontal plane. Therefore, the cleaning water flux WF that has fallen in the swirl flow generation unit 20 by the guidance of the drop guide surface 31 and the wash water that has been induced in the swirl flow generation unit 20 by the guidance of the swivel guide surface 30 are generated. The swirl flow WR collides so as to be substantially orthogonal. According to this configuration, the direction of the flux of the swirling flow WR is changed so as to be inclined with respect to the horizontal by the falling wash water, so that the swirling flow WR in the swirling flow generating unit 20 is directed to the drainage channel 23 side. It becomes easy to move. Thereby, discharge efficiency increases.

＜他の実施例＞
本発明は上記記述及び図面によって説明した実施例に限定されるものではなく、例えば次のような実施例も本発明の技術的範囲に含まれる。
（１）上記実施例では、落下用誘導面の形成位置を１カ所だけとしたが、落下用誘導面は複数カ所に形成してもよい。
（２）上記実施例では、旋回用誘導面の形成位置を１カ所だけとしたが、旋回用誘導面は複数カ所に形成してもよい。
（３）上記実施例では、旋回用誘導面を形成したが、旋回用誘導面を形成しない形態としてもよい。
（４）上記実施例では、旋回流生成部内において、落下用誘導面によって落下する洗浄水の流束の向きを、旋回用誘導面によって生成された旋回流の流束に対して略直交する向きとしたが、双方の流束は、斜めに交差するような向きであってもよい。
（５）上記実施例では、水平面に対する落下用誘導面の立ち上がり角度を、水平面に対する旋回用誘導面の立ち上がり角度より大きい角度としたが、落下用誘導面の立ち上がり角度は、旋回用誘導面の立ち上がり角度と同じか、それよりも小さい角度であってもよい。
（６）上記実施例では、鉢面のうち落下用誘導面に隣接する領域の水平面に対する傾斜角度を、鉢面のうち旋回用誘導面に隣接する領域の水平面に対する傾斜角度よりも大きい角度としたが、落下用誘導面に隣接する領域の傾斜角度は、旋回用誘導面に隣接する領域の傾斜角度と同じか、それよりも小さい角度であってもよい。
（７）上記実施例では、吐水口の数を２つとしたが、吐水口の開口数は、１つでもよく、３つ以上でもよい。
（８）上記実施例では、洗浄水をフラッシュバルブから供給したが、洗浄水は、ロータンク等の洗浄タンクから供給されるようにしてもよい。 <Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the above embodiment, only one drop guide surface is formed, but the drop guide surfaces may be formed at a plurality of locations.
(2) In the above embodiment, only one turning guide surface is formed, but the turning guide surfaces may be formed at a plurality of places.
(3) In the above embodiment, the turning guide surface is formed, but the turning guide surface may not be formed.
(4) In the above embodiment, in the swirl flow generator, the direction of the flow of the washing water falling by the drop guide surface is substantially perpendicular to the swirl flow generated by the swirl guide surface. However, both the fluxes may be oriented so as to cross each other at an angle.
(5) In the above embodiment, the rise angle of the drop guide surface with respect to the horizontal plane is larger than the rise angle of the turn guide surface with respect to the horizontal plane, but the rise angle of the drop guide surface is the rise of the turn guide surface. The angle may be the same as or smaller than the angle.
(6) In the said Example, the inclination angle with respect to the horizontal surface of the area | region adjacent to the induction | guidance | derivation surface for fall among bowl surfaces was made larger than the inclination angle with respect to the horizontal plane of the area | region adjacent to the induction | guidance | derivation surface for rotation among bowl surfaces. However, the inclination angle of the region adjacent to the dropping guide surface may be the same as or smaller than the inclination angle of the region adjacent to the turning guide surface.
(7) In the above embodiment, the number of water outlets is two, but the number of water outlets may be one or three or more.
(8) Although the cleaning water is supplied from the flush valve in the above embodiment, the cleaning water may be supplied from a cleaning tank such as a low tank.

１０…鉢部
１８Ｒ…第１吐水口
１８Ｌ…第２吐水口
２０…旋回流生成部
２１…鉢面
２６…水封部
３０…旋回用誘導面
３１…落下用誘導面
α…旋回用誘導面の立ち上がり角度
β…落下用誘導面の立ち上がり角度
γ…落下用誘導面に隣接する領域の傾斜角度
δ…旋回用誘導面に隣接する領域の傾斜角度 DESCRIPTION OF SYMBOLS 10 ... Bowl part 18R ... 1st water discharge port 18L ... 2nd water discharge port 20 ... Swirling flow production | generation part 21 ... Bowl surface 26 ... Water seal part 30 ... Guide surface for turning 31 ... Guide surface for fall α ... Guide surface for turning Rising angle β… Rising angle of the guiding surface for dropping γ… Inclining angle of the region adjacent to the guiding surface for dropping δ… Inclining angle of the region adjacent to the guiding surface for turning

Claims (5)

汚物を受ける鉢部と、
前記鉢部の下部に竪穴状に形成され、水封部を構成する旋回流生成部と、
前記鉢部の内面のうち前記旋回流生成部よりも上方領域の鉢面に対し、洗浄水を旋回させるように吐出する吐水口と、
前記鉢面から段差状に立ち上がるように形成され、平面視において前記旋回流生成部の開口縁に対して交差する向きに延びた形態であって、前記鉢面に沿って旋回する洗浄水を前記旋回流生成部内へ落下させるように誘導する落下用誘導面とを備えていることを特徴とする汚物排出装置。 A bowl receiving filth,
A swirl flow generating part that is formed in a pothole shape at the bottom of the bowl part and constitutes a water seal part,
A spout that discharges the swirling water to swirl the bowl surface in the region above the swirl flow generating portion of the inner surface of the pot portion,
It is formed so as to rise from the bowl surface in a step shape, and extends in a direction intersecting with the opening edge of the swirl flow generating portion in plan view, and the washing water swirling along the bowl surface is A waste discharging apparatus comprising: a drop guide surface for guiding the drop to fall into a swirl flow generating unit. 前記鉢面から段差状に立ち上がるように形成され、平面視において前記旋回流生成部の外周縁に対して接線状となるように延びた形態であって、前記鉢面に沿って旋回する洗浄水を前記旋回流生成部内に誘導する旋回用誘導面を備えていることを特徴とする請求項１記載の汚物排出装置。   Washing water that is formed so as to rise from the bowl surface in a step shape and extends so as to be tangential to the outer peripheral edge of the swirl flow generating unit in plan view, and that swirls along the bowl surface 2. The waste discharging apparatus according to claim 1, further comprising a swirling guide surface that guides the swirling flow into the swirling flow generating section. 前記旋回流生成部内において、前記落下用誘導面によって落下する洗浄水の流束の向きが、前記旋回用誘導面によって前記旋回流生成部内に誘導される洗浄水の流束に対して略直交する向きであることを特徴とする請求項１又は請求項２記載の汚物排出装置。   In the swirl flow generation unit, the direction of the flow of the wash water falling by the drop guide surface is substantially orthogonal to the wash water flow induced in the swirl flow generation unit by the swirl guide surface. The waste discharging apparatus according to claim 1 or 2, wherein the waste discharging apparatus is oriented. 水平面に対する前記落下用誘導面の立ち上がり角度が、水平面に対する前記旋回用誘導面の立ち上がり角度より大きいことを特徴とする請求項１ないし請求項３のいずれか１項に記載の汚物排出装置。   4. The waste discharging apparatus according to claim 1, wherein a rising angle of the dropping guide surface with respect to a horizontal plane is larger than a rising angle of the turning guide surface with respect to a horizontal plane. 5. 前記鉢面のうち前記落下用誘導面に隣接する領域の水平面に対する傾斜角度が、前記鉢面のうち前記旋回用誘導面に隣接する領域の水平面に対する傾斜角度よりも大きいことを特徴とする請求項１ないし請求項４のいずれか１項に記載の汚物排出装置。   The inclination angle with respect to the horizontal plane of the area adjacent to the guiding surface for dropping in the bowl surface is larger than the inclination angle with respect to the horizontal plane of the area adjacent to the guiding surface for turning in the bowl surface. The waste discharger according to any one of claims 1 to 4.
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Publication number Priority date Publication date Assignee Title
WO2017006903A1 (en) * 2015-07-08 2017-01-12 株式会社Ｌｉｘｉｌ Flush toilet device
WO2017038258A1 (en) * 2015-09-01 2017-03-09 株式会社Ｌｉｘｉｌ Flush toilet
JP2017048599A (en) * 2015-09-01 2017-03-09 株式会社Ｌｉｘｉｌ Flush toilet bowl
JP2017048600A (en) * 2015-09-01 2017-03-09 株式会社Ｌｉｘｉｌ Flush toilet bowl
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JP2017053177A (en) * 2015-09-11 2017-03-16 株式会社Ｌｉｘｉｌ Flush toilet bowl
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JP2020522629A (en) * 2017-06-09 2020-07-30 ゲベリット インテルナツィオナール アーゲーＧｅｂｅｒｉｔ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ａｇ Flush toilet
RU2740155C1 (en) * 2019-03-07 2021-01-12 Дуравит Акциенгезелльшафт Sanitary facility in form of toilet bowl
JP2020073762A (en) * 2019-11-06 2020-05-14 株式会社Ｌｉｘｉｌ Flush toilet bowl

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