JP6663155B2 - urinal - Google Patents

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JP6663155B2
JP6663155B2 JP2015168507A JP2015168507A JP6663155B2 JP 6663155 B2 JP6663155 B2 JP 6663155B2 JP 2015168507 A JP2015168507 A JP 2015168507A JP 2015168507 A JP2015168507 A JP 2015168507A JP 6663155 B2 JP6663155 B2 JP 6663155B2
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urinal
water
facing surface
toilet bowl
convex portion
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JP2017044010A (en
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裕貴 平川
裕貴 平川
慎介 谷口
慎介 谷口
和久 茶谷
和久 茶谷
裕平 木村
裕平 木村
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Lixil Corp
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Description

本発明は小便器に関するものである。   The present invention relates to a urinal.

特許文献１は従来の小便器を開示している。この小便器は便鉢及び吐水部を備えている。吐水部は便鉢の上端部の左右中央に設けられている。便鉢は、使用状態における水平断面形状において、左右中央部が後方向に窪み左右両端部が前方向に突出し、上下方向に伸びて前方を向いた対向面を有している。この対向面は、下方に向けて徐々に後退しつつ、水平断面形状における曲率半径が徐々に小さくなっている。このため、この小便器は、便鉢の開口部が下方に向けて徐々に幅寸法を狭くし、前方向に突出する部分の幅寸法を小さくすることができる。よって、この小便器は、使用者が便鉢に近づきやすく、使用者の尿が床にこぼれることを抑えることができる。   Patent Literature 1 discloses a conventional urinal. This urinal is provided with a toilet bowl and a spout. The water spouting section is provided at the left and right center of the upper end of the toilet bowl. The toilet bowl has an opposing surface in the horizontal cross-sectional shape in the used state, in which the left and right center portions are recessed rearward and the left and right end portions protrude forward, and extend vertically and face forward. The radius of curvature in the horizontal cross-sectional shape of the facing surface gradually decreases toward the bottom while gradually decreasing. For this reason, in this urinal, the width of the opening of the toilet bowl can be gradually reduced downward, and the width of the portion protruding forward can be reduced. Therefore, this urinal can easily approach the user to the toilet bowl, and can prevent the urine of the user from spilling on the floor.

特許第５６６０２３９号公報Japanese Patent No. 5660239

しかし、特許文献１の小便器は、便鉢の対向面が下方に向けて徐々に後退しつつ、水平断面形状における曲率半径が徐々に小さくなっている。このため、吐水部から吐水された洗浄水は、便鉢の下端に向かうにつれて、便鉢の対向面の左右中央部に集まって束になるため、流速が増して左右方向に拡がり難くなる。よって、この小便器は便鉢を斑無く洗浄できないおそれがある。   However, in the urinal of Patent Document 1, the radius of curvature in the horizontal cross-sectional shape is gradually reduced while the facing surface of the toilet bowl gradually retreats downward. For this reason, the washing water spouted from the spouting portion gathers at the central portion on the left and right sides of the facing surface of the toilet bowl toward the lower end of the toilet bowl, so that the flow velocity increases and it is difficult to spread in the horizontal direction. Therefore, this urinal may not be able to clean the toilet bowl without unevenness.

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、良好に洗浄することができる小便器を提供することを解決すべき課題としている。   The present invention has been made in view of the above-mentioned conventional circumstances, and has as an object to solve the problem of providing a urinal which can be cleaned well.

本発明の小便器は、使用状態において、左右中央部に前方向に突出して上下方向に伸びる凸部が形成され、前方を向いた対向面を有する便鉢と、
前記凸部の上方に設けられ、前記対向面に沿って洗浄水を吐水する吐水部と、
を備えており、
前記便鉢は、
上端が前記吐水部の下方に位置し、前記吐水部から吐水された洗浄水が乗って下部前方に案内する左右一対の洗浄段を有し、
前記凸部が前記洗浄段の上端の下方から下方向に伸びていることを特徴とする。 In the urinal of the present invention, in a use state, a convex portion protruding forward and extending in the vertical direction is formed at the left and right central portions, and a toilet bowl having a facing surface facing forward,
A water discharging unit provided above the convex portion and configured to discharge cleaning water along the facing surface;
Equipped with a,
The toilet bowl,
The upper end is located below the water discharge unit, and has a pair of left and right cleaning stages on which the wash water discharged from the water discharge unit rides and guides the lower front.
The projection may extend downward from below the upper end of the washing step .

本発明の小便器は、吐水部から吐水された洗浄水が対向面を流下し凸部に到達すると、凸部が洗浄水の流れを左右方向に拡げる。このため、この小便器は対向面の全体に洗浄水を流すことができる。この小便器は、吐水部から吐水され左右一対の洗浄段に乗った洗浄水が便鉢の下部前方に案内されるため、便鉢の下部前方を洗浄することができる。また、この小便器は、左右一対の洗浄段に乗らず対向面の左右中央部を流下する洗浄水を凸部によって対向面の左右方向に拡げることができるため、左右一対の洗浄段の間の対向面を斑無く洗浄することができる。 In the urinal of the present invention, when the flush water spouted from the spouting portion flows down the facing surface and reaches the convex portion, the convex portion spreads the flow of the wash water in the left-right direction. For this reason, this urinal can flush flush water over the entire opposing surface. In this urinal, the flush water spouted from the spout section and riding on the pair of left and right flush stages is guided to the lower front of the toilet bowl, so that the lower front of the toilet bowl can be washed. In addition, this urinal can spread the washing water flowing down the left and right central portions of the opposing surface in the left and right direction of the opposing surface without riding on the pair of left and right washing stages. The opposing surface can be washed without unevenness.

したがって、本発明の小便器は良好に洗浄することができる。   Therefore, the urinal of the present invention can be washed well.

実施例１の小便器の正面図である。It is a front view of the urinal of Example 1. 実施例１の小便器の平面図である。It is a top view of the urinal of Example 1. 図２における矢視Ｕ−Ｕ部の断面図である。FIG. 3 is a cross-sectional view taken along a line U-U in FIG. 2. 実施例１の小便器の斜視図である。It is a perspective view of the urinal of Example 1. 図１における矢視Ｘ−Ｘ部の端面図である。FIG. 2 is an end view of an XX section taken along arrow in FIG. 1. 図１における矢視Ｙ−Ｙ部の端面図である。FIG. 2 is an end view taken along a line YY in FIG. 1. 図１における矢視Ｚ−Ｚ部の端面図である。FIG. 2 is an end view of a ZZ portion viewed from an arrow in FIG. 1. 図１における矢視Ｖ−Ｖ部の端面図である。FIG. 5 is an end view taken along a line VV in FIG. 1.

本発明における好ましい実施の形態を説明する。   A preferred embodiment of the present invention will be described.

本発明の凸部は、下端が前記対向面の下部まで伸び得る。この場合、この小便器は凸部の上端で対向面の左右方向に拡がった洗浄水の流れを対向面の下部まで維持することができる。   The lower end of the convex portion of the present invention may extend to a lower portion of the facing surface. In this case, the urinal can maintain the flow of the wash water that spreads in the left-right direction of the opposing surface at the upper end of the projection to the lower portion of the opposing surface.

本発明の小便器は、前記便鉢の下端に排出口が形成されており、この排出口に載置される目皿を備え、前記凸部の下端と前記目皿の外周縁との間に間隔が設けられ得る。この場合、この小便器は目皿の周囲に凸部の下端が隣接して設けられていないため、目皿の周囲の便鉢表面を滑らかに形成することができ、目皿近傍の便鉢表面を洗浄水が満遍なく流れることができる。さらに、この小便器は使用者から見え易い目皿の周囲の見た目を良好にすることができる。   The urinal of the present invention has a discharge port formed at a lower end of the toilet bowl, and includes a perforated plate placed on the discharge port, between a lower end of the convex portion and an outer peripheral edge of the perforated plate. Spacing may be provided. In this case, since the urinal is not provided with the lower end of the convex portion adjacent to the perforated plate, the surface of the toilet bowl around the perforated plate can be formed smoothly, and the surface of the toilet bowl near the perforated plate can be formed. The washing water can flow evenly. Furthermore, this urinal can improve the appearance around the eye plate that is easy for the user to see.

本発明の対向面は、使用状態における水平断面形状において、左右中央部が後方向に窪んで湾曲し、下方に向けて曲率半径が徐々に小さくなり得る。この場合、この小便器は、対向面が下方に向けて曲率半径が徐々に小さくなるため吐水部から吐水された洗浄水が対向面の左右中央部に集まりやすい。しかし、この小便器は凸部によって洗浄水を対向面の左右方向に拡げることができるため、対向面の全体を洗浄水が流れて、良好に洗浄することができる。また、この小便器は下端に向かうにつれ対向面の左右方向の幅が小さくなり、使用者が対向面に近づきやすくすることができるため、使用者の尿が床にこぼれることを抑えることができる。   In the horizontal cross-sectional shape in the use state, the opposing surface of the present invention may be curved so that the left and right central portions are depressed rearward, and the radius of curvature gradually decreases downward. In this case, in the urinal, since the radius of curvature of the urinal decreases gradually as the opposing surface faces downward, the flush water discharged from the water spouting portion tends to collect at the left and right central portions of the opposing surface. However, in this urinal, the flush water can be spread in the left-right direction of the opposing surface by the convex portion, so that the flush water flows through the entire opposing surface, and the urinal can be washed well. Further, in this urinal, the width of the facing surface in the left-right direction decreases toward the lower end, so that the user can easily approach the facing surface, so that the urine of the user can be prevented from spilling on the floor.

本発明の吐水部は、前記対向面に取り付けられる吐水具を有しており、前記対向面の前記吐水具が取り付けられる部分が平面であり得る。この場合、この小便器は吐水具の取付け面と対向面とを容易に密着させることができる。このため、吐水具から洗浄水を対向面に沿ってばらつきなく所望の方向に吐水することができる。また、この小便器は外観を良好にすることができ、さらに、清掃性を良好にすることができる。   The water discharging section of the present invention has a water discharging device attached to the opposed surface, and a portion of the opposed surface to which the water discharging device is attached may be a flat surface. In this case, the urinal can easily bring the mounting surface of the water discharging device and the facing surface into close contact with each other. For this reason, it is possible to discharge the cleaning water from the water discharging device in a desired direction without variation along the facing surface. In addition, the urinal can have a good appearance and can have good cleaning properties.

次に、本発明の小便器を具体化した実施例１について、図面を参照しつつ説明する。   Next, a first embodiment of the urinal of the present invention will be described with reference to the drawings.

＜実施例１＞
実施例１の小便器は、図４に示すように、小便器本体１０、便鉢１１、吐水部１２、及び目皿１３を備えている。 <Example 1>
As shown in FIG. 4, the urinal according to the first embodiment includes a urinal main body 10, a toilet bowl 11, a water spouting section 12, and an eye plate 13.

小便器本体１０は、図１〜４に示すように、上端面１０Ａ、左側面１０Ｂ、及び右側面１０Ｃを有している。上端面１０Ａは平板状をなし、前後方向（前後は図１における手前側奥側、以下同じ。）に幅を有し左右方向（左右は図１における左側右側、以下同じ。）に伸びている。上端面１０Ａは前端の左右中央部が後方向に窪み湾曲している。   The urinal body 10 has an upper end surface 10A, a left side surface 10B, and a right side surface 10C, as shown in FIGS. The upper end surface 10A has a flat plate shape, has a width in the front-rear direction (the front-rear direction is the near-rear side in FIG. 1, hereinafter the same), and extends in the left-right direction (the left-right direction is the left-right side in FIG. 1, hereinafter the same). . In the upper end surface 10A, the left and right central portions of the front end are depressed rearward and curved.

左側面１０Ｂは前後方向に幅を有し、上端面１０Ａの左端から下方向（下は図１における下側、以下同じ。）に伸びている。また、右側面１０Ｃは前後方向に幅を有し、上端面１０Ａの右端から下方向に伸びている。左側面１０Ｂ及び右側面１０Ｃは互いの間の寸法が下方に向かうにつれて小さくなっている。また、左側面１０Ｂ及び右側面１０Ｃは、それぞれの下端部の前側が前方向に突出しつつ、左右中央に向けて伸びて互いに左右中央部で連結している。また、左側面１０Ｂ及び右側面１０Ｃが連結した左右中央部は下端に向うにつれ後退している。小便器本体１０は、上端面１０Ａ、左側面１０Ｂ、及び右側面１０Ｃのそれぞれの後端が同一平面上に形成されている。これにより、小便器本体１０は設置する壁面Ｗに同一平面上に形成された上端面１０Ａ、左側面１０Ｂ、及び右側面１０Ｃのそれぞれの後端を当接して取り付けることができる（図２、３参照。）。   The left side surface 10B has a width in the front-rear direction, and extends downward from the left end of the upper end surface 10A (the lower side is the lower side in FIG. 1, the same applies hereinafter). The right side surface 10C has a width in the front-rear direction, and extends downward from the right end of the upper end surface 10A. The left side surface 10B and the right side surface 10C have a smaller dimension between each other as going downward. Further, the left side surface 10B and the right side surface 10C extend toward the left and right center while being connected to each other at the left and right center portions, with the front sides of the lower ends protruding forward. Further, the left and right central portions where the left side surface 10B and the right side surface 10C are connected are retracted toward the lower end. In the urinal body 10, the rear ends of the upper end face 10A, the left side face 10B, and the right side face 10C are formed on the same plane. Thereby, the urinal body 10 can be attached to the wall surface W to be installed by abutting the rear ends of the upper end surface 10A, the left side surface 10B, and the right side surface 10C formed on the same plane (FIGS. 2, 3). reference.).

便鉢１１は、対向面１１Ａ、左右一対の洗浄段１１Ｂ、排出口１１Ｃ、及び凸部１１Ｄを有している。対向面１１Ａは左右中央部が後方向に窪み湾曲し前方を向き上下方向に伸びている。詳しくは、対向面１１Ａは左右中央部の上部から下部にかけて、左右方向に幅を有し上下方向に伸びた左右中間部１１Ｇが形成されている。この左右中間部１１Ｇは、僅かに左右中央部が後方向に窪み湾曲し前方を向き、略平面状に形成されている。また、対向面１１Ａは左右中間部１１Ｇの上端部に平面状に形成された平面部１１Ｋが設けられている。また、対向面１１Ａは左右中間部１１Ｇの左右両側から前方向に湾曲した一対の湾曲面１１Ｈが形成されている。これら湾曲面１１Ｈは互いに左右中央に対象である。これら湾曲面１１Ｈは左右中間部１１Ｇの上端で互いに連続し対向面１１Ａの上端まで伸びている。また、これら湾曲面１１Ｈは左右中間部１１Ｇの下端で互いに連続し対向面１１Ａの下端部まで伸びている。対向面１１Ａは使用状態における水平断面形状において、湾曲面１１Ｈの曲率半径が下方に向けて徐々に小さくなっている（図５〜８参照。）。また、便鉢１１は下端部に上方向に椀状に拡がる椀状部１１Ｊが形成されている。便鉢１１は椀状部１１Ｊの後側が対向面１１Ａの下端部である。便鉢１１は対向面１１Ａの上端が小便器本体１０の上端面１０Ａの前端に連結している。また、便鉢１１は対向面１１Ａの左右両端及び椀状部１１Ｊの前側の上端がそれぞれ小便器本体１０の左側面１０Ｂ及び右側面１０Ｃの前端に連結している。また、対向面１１Ａは左右中間部１１Ｇの上端部に形成された平面部１１Ｋに前後方向に貫通して設けられた挿通孔１１Ｆが設けられている。   The toilet bowl 11 has an opposing surface 11A, a pair of left and right washing steps 11B, an outlet 11C, and a projection 11D. The opposing surface 11A has a central portion in the left and right, which is depressed and curved rearward and extends forward and vertically. Specifically, the opposing surface 11A is formed with a left-right intermediate portion 11G extending in the left-right direction and having a width in the left-right direction from the upper portion to the lower portion of the left-right central portion. The left and right middle portion 11G is formed in a substantially planar shape with a slightly depressed and curved center portion in the left and right direction and facing forward. The opposing surface 11A is provided with a flat portion 11K formed in a flat shape at the upper end of the left and right intermediate portion 11G. The opposing surface 11A is formed with a pair of curved surfaces 11H that are curved forward from both left and right sides of the left and right intermediate portion 11G. These curved surfaces 11H are symmetrical at the left and right centers. These curved surfaces 11H are continuous with each other at the upper ends of the left and right intermediate portions 11G and extend to the upper ends of the opposing surfaces 11A. The curved surfaces 11H are continuous with each other at the lower ends of the left and right intermediate portions 11G and extend to the lower end of the opposing surface 11A. In the horizontal cross-sectional shape of the facing surface 11A in the use state, the radius of curvature of the curved surface 11H gradually decreases downward (see FIGS. 5 to 8). In addition, the toilet bowl 11 has a bowl-shaped portion 11J that extends upward in a bowl shape at the lower end. In the toilet bowl 11, the rear side of the bowl-shaped portion 11J is the lower end of the facing surface 11A. The upper end of the facing surface 11A of the toilet bowl 11 is connected to the front end of the upper end surface 10A of the urinal body 10. In the toilet bowl 11, the left and right ends of the facing surface 11A and the front upper end of the bowl-shaped portion 11J are connected to the front ends of the left side surface 10B and the right side surface 10C of the urinal body 10, respectively. The opposite surface 11A is provided with an insertion hole 11F penetrating in a front-rear direction through a flat portion 11K formed at the upper end of the left and right intermediate portion 11G.

左右一対の洗浄段１１Ｂは便鉢１１の左右両側に上下方向に伸びて設けられている。詳しくは、左右一対の洗浄段１１Ｂは互いに左右中央に対称に、一対の湾曲面１１Ｈにそれぞれが設けられている。また、左右一対の洗浄段１１Ｂはそれぞれの上端が左右中間部１１Ｇの左右両側の近傍に位置している。また、左右一対の洗浄段１１Ｂは上端が対向面１１Ａの左右中間部１１Ｇの上端部に形成された平面部１１Ｋに設けられた挿通孔１１Ｆとの間に所定の間隔を空けて、挿通孔１１Ｆの下側に設けられている。また、左右一対の洗浄段１１Ｂは対向面１１Ａの湾曲面１１Ｈを下部前方に傾斜して伸びている。詳しくは、左右一対の洗浄段１１Ｂは下方向に窪み湾曲し下部前方に傾斜して伸びている（図３参照。）。また、左右一対の洗浄段１１Ｂはそれぞれの間の左右方向の寸法が、上端から上下中央部に向かうにつれて大きくなっている（図１参照。）。また、左右一対の洗浄段１１Ｂはそれぞれの間の左右方向の寸法が、上下中央部から下端に向かうにつれて小さくなっている（図１参照。）。また、左右一対の洗浄段１１Ｂは下端が便鉢１１の椀状部１１Ｊの前側の左右中央で互いに連結している（図２参照。）。   A pair of left and right washing stages 11B are provided on both left and right sides of the toilet bowl 11 so as to extend vertically. More specifically, the pair of left and right washing stages 11B are provided on the pair of curved surfaces 11H symmetrically with respect to the center of the left and right, respectively. The upper ends of the pair of left and right washing stages 11B are located near the left and right sides of the left and right intermediate portion 11G. The pair of left and right washing stages 11B are spaced apart from each other by a predetermined distance between the upper end and an insertion hole 11F provided in a flat portion 11K formed at the upper end of the left and right intermediate portion 11G of the facing surface 11A. It is provided below. Further, the pair of left and right washing steps 11B extend downward at a curved surface 11H of the opposed surface 11A so as to be inclined forward. Specifically, the pair of left and right washing stages 11B are concavely curved downward and extend obliquely downward and forward (see FIG. 3). Further, the dimension in the left-right direction between the pair of left and right washing stages 11B increases from the upper end toward the upper and lower central portions (see FIG. 1). Further, the dimension in the left-right direction between the pair of left and right washing stages 11B decreases from the center in the vertical direction toward the lower end (see FIG. 1). Further, the lower ends of the pair of left and right washing stages 11B are connected to each other at the left and right centers on the front side of the bowl-shaped portion 11J of the toilet bowl 11 (see FIG. 2).

排出口１１Ｃは便鉢１１の椀状部１１Ｊの下端に上下方向に開口して設けられている。つまり、排出口１１Ｃは便鉢１１の下端に形成されている。排出口１１Ｃは左右一対の洗浄段１１Ｂの下端の後側に位置している。排出口１１Ｃは排出口１１Ｃの下流側に設けられた排出路１０Ｋを介して設置する壁面Ｗから引き出された排水管Ｄに連結される（図３参照。）。   The discharge port 11C is provided at the lower end of the bowl-shaped portion 11J of the toilet bowl 11 so as to open vertically. That is, the outlet 11C is formed at the lower end of the toilet bowl 11. The discharge port 11C is located behind the lower ends of the pair of left and right washing stages 11B. The discharge port 11C is connected to a drain pipe D drawn from a wall surface W installed through a discharge path 10K provided on the downstream side of the discharge port 11C (see FIG. 3).

凸部１１Ｄは使用状態において、対向面１１Ａの左右中央部に前方向に突出して上下方向に伸びて形成されている。凸部１１Ｄは上端が左右一対の洗浄段１１Ｂの上端の下方に位置し下方向に伸びている。詳しくは、凸部１１Ｄは上端が左右一対の洗浄段１１Ｂの上端より下方であって、左右一対の洗浄段１１Ｂの上端の近傍に位置している（図１、４、６参照。）。また、凸部１１Ｄは下端が対向面１１Ａの下部である下端部まで伸びている。凸部１１Ｄは対向面１１Ａの左右中央に向かうにつれて徐々に前方向に突出して形成されている（図７参照。）。また、凸部１１Ｄは上下方向の中央部の左右方向の寸法が、上端部及び下端部の左右方向の寸法より大きい（図１、４参照。）。また、凸部１１Ｄは上下方向の中央部の前方向に突出する寸法が、上端部、及び下端部の前方向に突出する寸法より大きい。   In the used state, the convex portion 11D is formed so as to protrude forward and extend vertically in the left and right central portions of the facing surface 11A. The protrusion 11D has an upper end located below an upper end of the pair of left and right washing stages 11B and extends downward. Specifically, the upper end of the convex portion 11D is located below the upper end of the pair of left and right washing stages 11B and is located near the upper end of the pair of left and right washing stages 11B (see FIGS. 1, 4, and 6). Further, the protrusion 11D has a lower end extending to a lower end which is a lower part of the facing surface 11A. The convex portion 11D is formed so as to gradually protrude forward as it goes toward the left and right center of the opposing surface 11A (see FIG. 7). Further, the protrusion 11D has a horizontal dimension at a central portion in the vertical direction larger than a horizontal dimension at an upper end portion and a lower end portion (see FIGS. 1 and 4). The dimension of the protrusion 11D protruding forward at the center in the vertical direction is larger than the dimension protruding forward at the upper end and the lower end.

吐水部１２は吐水具であるスプレッダー１２Ａを有している。スプレッダー１２Ａは円盤状をなし、円盤状の中心軸が前後方向に伸びている。スプレッダー１２Ａは円盤状の後端面が平面状に形成されている。スプレッダー１２Ａは後端面を対向面１１Ａの左右中間部１１Ｇの上端部に形成された平面部１１Ｋに当接し、対向面１１Ａの上端部に形成された挿通孔１１Ｆを前側から覆い取り付けられる。こうして、スプレッダー１２Ａは凸部１１Ｄ及び左右一対の洗浄段１１Ｂの上方に設けられる。また、スプレッダー１２Ａは対向面１１Ａの左右中間部１１Ｇの上端部に形成された平面部１１Ｋに取り付けられる（図５参照。）。また、スプレッダー１２Ａは円盤状の前端面に人体検知センサー１２Ｂが設けられている（図４参照。）。   The water discharging section 12 has a spreader 12A as a water discharging device. The spreader 12A has a disk shape, and the center axis of the disk shape extends in the front-rear direction. The spreader 12A has a disk-shaped rear end surface formed in a planar shape. The spreader 12A has a rear end surface abutting against a flat portion 11K formed at an upper end portion of the left and right intermediate portion 11G of the opposing surface 11A, and is attached by covering an insertion hole 11F formed at an upper end portion of the opposing surface 11A from the front side. Thus, the spreader 12A is provided above the protrusion 11D and the pair of left and right cleaning stages 11B. The spreader 12A is attached to a flat portion 11K formed at the upper end of the left and right intermediate portion 11G of the facing surface 11A (see FIG. 5). The spreader 12A is provided with a human body detection sensor 12B on a disk-shaped front end surface (see FIG. 4).

目皿１３は円盤状をなし円盤状の中心軸が上下方向に伸びている。目皿１３は外径が排出口１１Ｃの内径より僅かに大きい。目皿１３は円盤状の外周面に径方向の外側に向けて複数の突起（図示せず）が設けられている。これら複数の突起は外周面から突出する寸法が互いに同じである。目皿１３は排出口１１Ｃに載置されている。このとき、目皿１３は複数の突起が排出口１１Ｃの内周面に当接する。これにより、目皿１３は、円盤状の外周面が排出口１１Ｃの内周面に当接することがなく、円盤状の外周面と排出口１１Ｃの内周面との間に所定の間隔を設けることができる。このとき、便鉢１１の対向面１１Ａに設けられた凸部１１Ｄは下端が目皿１３の外周縁との間に間隔が設けられている。   The perforated plate 13 has a disc shape, and the center axis of the disc shape extends in the vertical direction. The outer diameter of the perforated plate 13 is slightly larger than the inner diameter of the outlet 11C. The perforated plate 13 is provided with a plurality of projections (not shown) on a disk-shaped outer peripheral surface toward the outside in the radial direction. The plurality of protrusions have the same dimensions projecting from the outer peripheral surface. The perforated plate 13 is placed on the outlet 11C. At this time, the plurality of protrusions of the perforated plate 13 abut on the inner peripheral surface of the outlet 11C. Thus, the disc 13 has a predetermined space between the disc-shaped outer peripheral surface and the inner peripheral surface of the discharge port 11C without the disk-shaped outer peripheral surface contacting the inner peripheral surface of the discharge port 11C. be able to. At this time, the convex portion 11D provided on the facing surface 11A of the toilet bowl 11 has a lower end provided with an interval between the outer peripheral edge of the perforated plate 13.

次に、この小便器の動作を説明する。   Next, the operation of the urinal will be described.

図４に示すように、先ず、スプレッダー１２Ａから洗浄水を吐水する。スプレッダー１２Ａは洗浄水を対向面１１Ａに沿って下方向及び左右方向に拡げて吐水する。左右一対の洗浄段１１Ｂの上端は吐水部１２が有するスプレッダー１２Ａの下方に位置している。そして、スプレッダー１２Ａから左右方向に吐水された洗浄水の１部が左右一対の洗浄段１１Ｂの上端に到達し、左右一対の洗浄段１１Ｂに乗って下部前方に案内され流下する。このとき、左右一対の洗浄段１１Ｂに乗った洗浄水の１部は左右一対の洗浄段１１Ｂに案内され流下しつつ、左右一対の洗浄段１１Ｂの左右内側の対向面１１Ａに流下する。   As shown in FIG. 4, first, cleaning water is discharged from the spreader 12A. The spreader 12A discharges the cleaning water by spreading the cleaning water downward and left and right along the facing surface 11A. The upper ends of the pair of left and right washing stages 11B are located below the spreader 12A of the water discharging unit 12. Then, a part of the washing water spouted from the spreader 12A in the left and right direction reaches the upper ends of the pair of left and right washing stages 11B, is guided by the pair of left and right washing stages 11B, flows downward and forward. At this time, a part of the washing water riding on the pair of left and right washing stages 11B flows down to the left and right inner opposing surfaces 11A of the pair of left and right washing stages 11B while being guided by the pair of left and right washing stages 11B.

そして、スプレッダー１２Ａから下方向に吐水された洗浄水の１部が凸部１１Ｄの上端に到達し、左右一対の洗浄段１１Ｂの間の対向面１１Ａを左右方向に拡がりつつ流下する。詳しくは、凸部１１Ｄは上端から上下方向の中央部に向かうにつれ、左右方向の寸法、及び前方向に突出する寸法が大きくなっている。このため、凸部１１Ｄを流下する洗浄水は凸部１１Ｄによって左右方向に押し拡げられ、左右一対の洗浄段１１Ｂの間の対向面１１Ａを左右方向に拡がりつつ流下する。また、凸部１１Ｄは下端が対向面１１Ａの下部である下端部まで伸びて設けられている。さらに、スプレッダー１２Ａから吐水された洗浄水は対向面１１Ａを流下しつつ重力によって流速が増す。このため、凸部１１Ｄを流下する洗浄水は凸部１１Ｄによって左右一対の洗浄段１１Ｂの間の対向面１１Ａの左右方向に押し拡げられた状態を対向面１１Ａの下端部まで維持することができる。   Then, a part of the washing water discharged downward from the spreader 12A reaches the upper end of the convex portion 11D, and flows down while spreading in the left-right direction on the opposing surface 11A between the pair of left and right washing steps 11B. More specifically, the size of the protrusion 11D in the left-right direction and the size of the protrusion protruding in the front direction increase from the upper end toward the center in the up-down direction. For this reason, the cleaning water flowing down the convex portion 11D is pushed and spread in the left-right direction by the convex portion 11D, and flows down while spreading in the left-right direction on the opposing surface 11A between the pair of left and right cleaning steps 11B. The protruding portion 11D has a lower end extending to a lower end portion that is a lower portion of the opposing surface 11A. Further, the flow rate of the washing water discharged from the spreader 12A is increased by gravity while flowing down the facing surface 11A. Therefore, the state in which the washing water flowing down the convex portion 11D is pushed and spread in the left-right direction of the opposing surface 11A between the pair of left and right cleaning steps 11B by the convex portion 11D can be maintained up to the lower end portion of the opposing surface 11A. .

このように、この小便器は、吐水部１２から吐水された洗浄水が対向面１１Ａを流下し凸部１１Ｄに到達すると、凸部１１Ｄが洗浄水の流れを左右方向に拡げる。このため、この小便器は対向面１１Ａの全体に洗浄水を流すことができる。   In this manner, in the urinal, when the flush water discharged from the flush section 12 flows down the facing surface 11A and reaches the convex section 11D, the convex section 11D spreads the flow of the flush water in the left-right direction. For this reason, this urinal can flush flush water over the opposing surface 11A.

したがって、本発明の小便器は良好に洗浄することができる。   Therefore, the urinal of the present invention can be washed well.

また、この凸部１１Ｄは下端が対向面１１Ａの下端部まで伸びている。このため、この小便器は凸部１１Ｄの上端で対向面１１Ａの左右方向に拡がった洗浄水の流れを対向面１１Ａの下部まで維持することができる。   Further, the lower end of the projection 11D extends to the lower end of the opposing surface 11A. For this reason, this urinal can maintain the flow of the washing water spreading in the left-right direction of the opposing surface 11A at the upper end of the convex portion 11D to the lower portion of the opposing surface 11A.

また、この便鉢１１は、上端が吐水部１２の下方に位置し、吐水部１２から吐水された洗浄水を下部前方に案内する左右一対の洗浄段１１Ｂを有し、凸部１１Ｄは左右一対の洗浄段１１Ｂの上端の下方から下方向に伸びている。このため、この小便器は、吐水部１２から吐水され左右一対の洗浄段１１Ｂに乗った洗浄水が便鉢１１の下部前方に案内されるため、便鉢１１の下部前方を洗浄することができる。また、この小便器は、左右一対の洗浄段１１Ｂに乗らず対向面１１Ａの左右中央部を流下する洗浄水を凸部１１Ｄによって対向面１１Ａの左右方向に拡げることができるため、左右一対の洗浄段１１Ｂの間の対向面１１Ａを斑無く洗浄することができる。   In addition, the toilet bowl 11 has a pair of left and right washing steps 11B whose upper end is located below the water discharge section 12 and guides the wash water discharged from the water discharge section 12 to the lower front. Extends downward from below the upper end of the washing stage 11B. For this reason, in this urinal, the flush water spouted from the spout section 12 and riding on the pair of left and right washing stages 11B is guided to the lower front of the toilet bowl 11, so that the lower front of the toilet bowl 11 can be washed. . Further, in this urinal, the flush water flowing down the left and right central portions of the opposed surface 11A without spreading on the pair of left and right washing steps 11B can be spread in the left and right direction of the opposed surface 11A by the convex portion 11D. The opposing surface 11A between the steps 11B can be cleaned without unevenness.

また、この小便器は、便鉢１１の下端に排出口１１Ｃが形成されており、この排出口１１Ｃに載置される目皿１３を備え、凸部１１Ｄの下端と目皿１３の外周縁との間に間隔が設けられている。このため、この小便器は目皿１３の周囲に凸部１１Ｄの下端が隣接して設けられていないため、目皿１３の周囲の便鉢１１表面を滑らかに形成することができ、目皿１３近傍の便鉢１１表面を洗浄水が満遍なく流れることができる。さらに、この小便器は使用者から見え易い目皿１３の周囲の見た目を良好にすることができる。   The urinal has a discharge port 11C formed at the lower end of the toilet bowl 11 and includes a perforated plate 13 placed on the discharge port 11C. There is an interval between them. For this reason, in this urinal, since the lower end of the convex part 11D is not provided adjacent to the perforated plate 13, the surface of the toilet bowl 11 around the perforated plate 13 can be formed smoothly. The washing water can flow evenly on the surface of the toilet bowl 11 in the vicinity. Furthermore, this urinal can improve the appearance around the eye plate 13 which is easy for the user to see.

また、この対向面１１Ａは、使用状態における水平断面形状において、左右中央部が後方向に窪んで湾曲し、下方に向けて曲率半径が徐々に小さくなる。このため、この小便器は、対向面１１Ａが下方に向けて曲率半径が徐々に小さくなるため吐水部１２から吐水された洗浄水が対向面１１Ａの左右中央部に集まりやすい。しかし、この小便器は凸部１１Ｄによって洗浄水を対向面１１Ａの左右方向に拡げることができるため、対向面１１Ａの全体を洗浄水が流れて、良好に洗浄することができる。また、この小便器は下端に向かうにつれ対向面１１Ａの左右方向の幅が小さくなり、使用者が対向面１１Ａに近づきやすくすることができるため、使用者の尿が床にこぼれることを抑えることができる。   Further, in the horizontal cross-sectional shape in the used state, the opposed surface 11A is curved such that the left and right central portions are depressed backward, and the radius of curvature gradually decreases downward. For this reason, in this urinal, since the radius of curvature of the facing surface 11A is gradually reduced downward, the flush water discharged from the water discharger 12 is likely to collect at the left and right central portions of the facing surface 11A. However, in this urinal, the flush water can be spread in the left-right direction of the opposing surface 11A by the convex portion 11D, so that the flush water flows through the entire opposing surface 11A and can be cleaned well. Further, in this urinal, the width in the left-right direction of the opposing surface 11A becomes smaller toward the lower end, so that the user can easily approach the opposing surface 11A, so that the urine of the user is prevented from spilling on the floor. it can.

また、この吐水部１２は対向面１１Ａに取り付けられるスプレッダー１２Ａを有しており、対向面１１Ａのスプレッダー１２Ａが取り付けられる部分が平面である。このため、この小便器はスプレッダー１２Ａの取付け面と対向面１１Ａとを容易に密着させることができる。このため、スプレッダー１２Ａから洗浄水を対向面１１Ａに沿ってばらつきなく所望の方向に吐水することができる。また、この小便器は外観を良好にすることができ、さらに、清掃性を良好にすることができる。   The water discharge section 12 has a spreader 12A attached to the facing surface 11A, and a portion of the facing surface 11A where the spreader 12A is attached is a flat surface. For this reason, in this urinal, the mounting surface of the spreader 12A and the facing surface 11A can be easily brought into close contact with each other. For this reason, the washing water can be discharged from the spreader 12A in a desired direction without variation along the facing surface 11A. In addition, the urinal can have a good appearance and can have good cleaning properties.

本発明は上記記述及び図面によって説明した実施例１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）実施例１では、スプレッダーが別部材で対向面に取り付けられているが、これに限らず、対向面に一体的に形成されていても良い。
（２）実施例１では、左右一対の洗浄段が設けられているが、これに限らず、洗浄段に変えて凸部を設けても良い。
（３）実施例１では、対向面にスプレッダーを１つ取り付けているが、これに限らず、対向面にスプレッダーを２つ以上取り付けても良い。
（４）実施例１では、目皿の外形が円盤状であるが、これに限らず、目皿の外形が半円形状や多角形状等であっても良い。
（５）実施例１では、排出口に目皿を載置しているが、これに限らず、排出口に目皿を載置しなくても良い。
（６）実施例１では、対向面の左右中央に凸部を１つ設けているが、これに限らず、対向面の左右中央部に凸部を２つ以上設けても良い。
（７）実施例１では、スプレッダーの前端面に人体検知センサーを設けているが、これに限らず、小便器を設置する壁面に人体検知センサーを設けても良い。 The present invention is not limited to the first embodiment 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 first embodiment, the spreader is attached to the facing surface by a separate member, but is not limited to this, and may be formed integrally with the facing surface.
(2) In the first embodiment, a pair of left and right washing steps is provided. However, the present invention is not limited to this, and a protrusion may be provided instead of the washing step.
(3) In the first embodiment, one spreader is attached to the facing surface. However, the present invention is not limited to this, and two or more spreaders may be attached to the facing surface.
(4) In the first embodiment, the outer shape of the perforated plate is a disk shape, but is not limited thereto, and the outer shape of the perforated plate may be a semicircular shape, a polygonal shape, or the like.
(5) In the first embodiment, the perforated plate is placed at the outlet, but the invention is not limited to this, and the perforated plate may not be placed at the outlet.
(6) In the first embodiment, one convex portion is provided at the left and right center of the facing surface. However, the present invention is not limited to this, and two or more convex portions may be provided at the left and right central portion of the facing surface.
(7) In the first embodiment, the human body detection sensor is provided on the front end surface of the spreader. However, the invention is not limited to this, and the human body detection sensor may be provided on the wall on which the urinal is installed.

１１…便鉢
１１Ａ…対向面
１１Ｂ…左右一対の洗浄段
１１Ｃ…排出口
１１Ｄ…凸部
１２…吐水部
１２Ａ…スプレッダー（吐水具）
１３…目皿 11 ... toilet bowl 11A ... facing surface 11B ... left and right pair of washing stages 11C ... discharge port 11D ... convex part 12 ... water discharging part 12A ... spreader (water discharging tool)
13 ... Eye plate

Claims (6)

使用状態において、左右中央部に前方向に突出して上下方向に伸びる凸部が形成され、前方を向いた対向面を有する便鉢と、
前記凸部の上方に設けられ、前記対向面に沿って洗浄水を吐水する吐水部と、
を備えており、
前記便鉢は、
上端が前記吐水部の下方に位置し、前記吐水部から吐水された洗浄水が乗って下部前方に案内する左右一対の洗浄段を有し、
前記凸部が前記洗浄段の上端の下方から下方向に伸びていることを特徴とする小便器。 In the use state, a convex portion is formed in the left and right central portion, which protrudes forward and extends vertically, and has a facing surface facing forward,
A water discharging unit provided above the convex portion and configured to discharge cleaning water along the facing surface;
Equipped with a,
The toilet bowl,
The upper end is located below the water discharging unit, and has a pair of left and right cleaning stages on which the cleaning water discharged from the water discharging unit rides and is guided forward in the lower part,
The urinal, wherein the convex portion extends downward from below the upper end of the washing stage . 前記凸部は、
下端が前記対向面の下部まで伸びていることを特徴とする請求項１記載の小便器。 The protrusion is
The urinal according to claim 1, wherein a lower end extends to a lower part of the facing surface. 前記便鉢の下端に排出口が形成されており、この排出口に載置される目皿を備え、前記凸部の下端と前記目皿の外周縁との間に間隔が設けられていることを特徴とする請求項１から請求項２までのいずれか１項に記載の小便器。 A discharge port is formed at the lower end of the toilet bowl, and a perforated plate is provided at the discharge port, and a gap is provided between a lower end of the convex portion and an outer peripheral edge of the perforated plate . The urinal according to any one of claims 1 to 2 , characterized in that: 前記対向面は、
使用状態における水平断面形状において、
左右中央部が後方向に窪んで湾曲し、下方に向けて曲率半径が徐々に小さくなっていることを特徴とする請求項１から請求項３までのいずれか１項に記載の小便器。 The facing surface is
In the horizontal cross-sectional shape in use,
The urinal according to any one of claims 1 to 3, wherein the left and right central portions are concavely curved in the rearward direction, and the radius of curvature is gradually reduced downward . 前記吐水部は、
前記対向面に取り付けられる吐水具を有しており、
前記対向面の前記吐水具が取り付けられる部分が平面であることを特徴とする請求項１から請求項４までのいずれか１項に記載の小便器。 The water discharging section,
It has a water spout attached to the facing surface,
A urinal according to any one of claims 1 to 4, wherein the portions of the water discharge device is attached to said opposing surface and said planar der Rukoto. 前記吐水部は、前記凸部よりも上方に設けられていることを特徴とする請求項１から請求項５までのいずれか１項に記載の小便器。 The water discharge section, urinal according to any one of claims 1 to 5, characterized that you have provided above said protrusions.
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