JP2023081047A - urinal - Google Patents

Abstract

To provide a urinal which, during the surface washing, makes it easy for the washing water to flow to the inside bowl face of the opening and can restrain the washing water from flowing to the wall side.SOLUTION: A urinal 1 in this invention comprises an opening 6 which has a bowl surface 4 formed in its inner side, an outer peripheral surface 20 formed on the outer peripheral side of the opening, a wall-contact surface 22 locating in the rear side of the outer peripheral surface, and a water discharge device 14 which discharges water in a way that the water spreads to the right and left directions on the bowl surface. The opening is formed with an upper side edge 8, a lower side edge 10 and both side edges 12. The outer peripheral surface comprises an outer peripheral top surface 24, an outer peripheral lower side surface 26 and outer peripheral side surfaces 28. The outer peripheral top surface of the outer peripheral surface inclines downwards from the back side towards the front side, and is formed, in the area higher than the level of the water discharge device, in a way that the length of the line that is perpendicular to the upper side edge of the opening and extends from the upper side edge to the wall-contact surface increases, in the front view, as the line's position shifts downwards from the top edge of the wall-contact surface.SELECTED DRAWING: Figure 1

Description

The present invention relates to a urinal with a bowl surface for receiving urination (urine).

Patent Literature 1 describes a wall-mounted urinal in which the back is attached along the wall surface so that the lowest part of the urinal body is lifted from the floor surface. This urinal is provided with a toilet bowl (bowl surface), and the opening of the toilet bowl is formed so as to protrude forward (user side) from the upper side along the lower side. Further, the outer peripheral top surface extending rearward from the upper edge of the opening is formed so as to be inclined downward from the user side toward the wall side. Such a conventional urinal disclosed in Patent Document 1 has the advantage that the ratio of the opening to the urinal body appears large to the user when viewed from the front.

Further, Patent Document 2 describes a wall-mounted urinal in which the upper edge of the wall-attached surface of the urinal body and the outer peripheral surface on the side of the opening forming the bowl surface are formed in straight lines.

JP 2019-178576 A Japanese Patent Application Laid-Open No. 2021-139282

However, in the urinal of Patent Document 1 described above, when cleaning the exterior, water remains on the top surface of the outer periphery and water flows between the wall surface and the urinal body. Water stains may remain on the urinal, and mold may grow between the wall surface and the urinal body.
In addition, in the urinal of Patent Document 2 described above, water attached to the outer peripheral surface of the side of the opening near the upper edge of the wall-mounted surface does not enter the opening (bowl surface) and falls to the floor. Therefore, there are problems with appearance, slipping underfoot, and hygiene.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-described problems of the prior art. To provide a urinal capable of suppressing the flow of water to the wall surface side.

In order to achieve the above object, the present invention provides a urinal, which has an opening at the front forming a bowl surface for receiving urination therein, and a urinal facing backward toward the outer periphery of the opening. a wall-attached surface located on the back side of the outer peripheral surface and in contact with the wall surface; and a water spout provided in the center of the upper region of the bowl surface for spouting cleansing water so as to spread in the horizontal direction of the bowl surface. a device, wherein the opening is formed by an upper edge forming the upper side, a lower edge forming the lower side, and both side edges connecting the upper and lower edges; are the outer peripheral top surface extending rearward from the upper edge of the opening, the outer peripheral lower surface extending rearward from the lower edge of the opening, and the outer peripheral side surface extending rearward from both side edges of the opening. The outer peripheral top surface of the outer peripheral surface is inclined downward from the rear to the front, and above the discharge device, the length of a line perpendicular to the upper edge of the opening extending from the upper edge to the wall surface It is characterized in that it is formed so as to extend downward from the upper end of the wall attachment surface when viewed from the front.
In the present invention configured as described above, the outer peripheral top surface of the outer peripheral surface is inclined downward from the rear to the front, and above the water discharging device, the upper edge of the opening is perpendicular to the upper edge. Since the length of the line extending to the wall-attached surface is formed so as to extend downward from the upper end of the wall-attached surface in a front view, when cleaning the appearance of the urinal, the washing flow from the outer peripheral top surface is carried out. The water has a downward vector and a vector directed toward the opening, thereby directing the wash water toward the bowl surface while suppressing the wash water from flowing toward the walled surface.

The present invention is a urinal, comprising: an opening at the front inside of which a bowl surface for receiving urination is formed; an outer peripheral surface formed rearward on the outer peripheral side of the opening; An opening having a wall-attached surface located on the back side of the outer peripheral surface and in contact with the wall surface, and a water discharge device provided in the center of the upper region of the bowl surface and discharging wash water so as to spread in the horizontal direction of the bowl surface. is formed by an upper edge that forms the upper side, a lower edge that forms the lower side, and side edges on both sides that connect the upper edge and the lower edge, and the outer peripheral surface extends from the upper edge of the opening An outer peripheral top surface extending rearward, an outer peripheral lower side surface extending rearward from the lower edge of the opening, and an outer peripheral side surface extending rearward from both side edges of the opening. The surface slopes downward from the rear to the front, and the length of a line perpendicular to the outer edge of the wall-attached surface and extending to the upper edge of the opening on the upper side of the water discharging device is It is characterized by being elongated downward from the upper end of the surface.
In the present invention configured as described above, the outer peripheral top surface of the outer peripheral surface is inclined downward from the rear to the front, and above the water discharging device, perpendicular to the outer edge of the wall surface and the opening. Since the length of the line extending to the upper edge is formed so as to extend downward from the upper end of the wall-attached surface in a front view, when washing the appearance of the urinal, washing water flowing from the outer peripheral top surface is formed. has a downward vector and a vector directed toward the opening, thereby directing the wash water toward the bowl surface while suppressing the flow of the wash water toward the wall surface.

In the present invention, preferably, the outer edge of the wall-mounted surface is formed in an arc shape, the upper edge of the opening is formed in an arc shape, and the outer peripheral top surface of the outer peripheral portion is above the discharge device, in a front view, the wall It is characterized in that a line connecting the outer edge of the attached surface excluding the center point in the left-right direction and the center point of the radius of curvature of the arc in contact with the outer edge is formed so as to intersect the center axis in the left-right direction of the opening. .
In the present invention configured as described above, the outer peripheral top surface of the outer peripheral portion is the radius of curvature of the arc in contact with the outer edge excluding the center point in the left-right direction of the wall attached surface in front view above the water discharging device and the outer edge. Since the line connecting the center points of the openings is formed so as to intersect the center axis in the left-right direction of the opening, the water flowing from the outer peripheral top surface has a downward vector and a vector directed toward the opening. Therefore, it is possible to prevent the water from flowing toward the wall surface while directing the water toward the bowl surface.

In the present invention, preferably, the outer edge of the wall-attached surface above the water discharging device is formed with a radius of curvature larger than the radius of curvature of the upper edge of the opening in a front view above the water discharging device. Characterized by
In the present invention configured as described above, the outer edge of the wall-attached surface above the water discharging device is formed with a larger radius of curvature than the radius of curvature of the upper edge of the opening when viewed from the front. Therefore, the water flowing from the top surface of the outer circumference has a downward vector and a vector toward the opening, so that the water is directed toward the bowl surface while suppressing the water from flowing to the wall surface side. be able to.

In the present invention, preferably, on the lower side of the water discharging device, the outer peripheral top surface and the outer peripheral side surface of the outer peripheral surface are inclined inward from the rear to the front, and the upper edge and side edge of the opening are inclined forward. It is characterized by being formed so as to extend.
In the present invention configured as described above, below the water discharging device, the outer peripheral top surface and the outer peripheral side surface of the outer peripheral surface are inclined inwardly from the rear to the front, and the upper edge and side edge of the opening. is formed to extend obliquely forward, the water flowing from the top surface of the outer periphery has a downward vector and a vector directed toward the opening. It can prevent water from flowing to the side.

According to the urinal of the present invention, when cleaning the exterior of the urinal, the wash water can easily flow to the bowl surface inside the opening and can be suppressed from flowing to the wall surface side.

It is the perspective view which looked at the urinal by embodiment of this invention from diagonally forward. It is a front view which shows the urinal by embodiment of this invention. Fig. 2 is a side view of the urinal according to the embodiment of the present invention as seen from the right side; 1 is a plan view showing a urinal according to an embodiment of the present invention; FIG. FIG. 3 is a cross-sectional view taken along line IV-IV of FIG. 2; Fig. 2 is a front view showing the outer peripheral top surface and the like of the urinal according to the embodiment of the present invention; Fig. 2 is a front view showing the outer peripheral top surface and the like of the urinal according to the embodiment of the present invention; Fig. 2 is a front view showing the outer peripheral top surface and the like of the urinal according to the embodiment of the present invention;

Hereinafter, a urinal according to an embodiment of the present invention will be described with reference to the drawings. First, the basic structure of a urinal according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4. FIG. FIG. 1 is a perspective view of a urinal according to an embodiment of the present invention as seen obliquely from the front, FIG. 2 is a front view showing the urinal according to an embodiment of the present invention, and FIG. 3 is a urinal according to an embodiment of the present invention. FIG. 4 is a side view of the toilet viewed from the right side, and FIG. 4 is a plan view showing the urinal according to the embodiment of the present invention.

As shown in FIGS. 1 to 4, a urinal 1 according to an embodiment of the present invention is a wall-mounted urinal. The urinal 1 includes a ceramic urinal body 2, which is attached to a wall surface WA extending in the vertical direction and spaced apart from a floor surface F by a predetermined height.
Here, when describing the urinal 1, the user's side is the front side, the wall side is the rear side, the upper side is the upper side, the lower side is the lower side, the right side of the user is the right side, and the left side of the user. to the left.

A urinal body 2 of the urinal 1 has a bowl surface 4 for receiving urination (urine) at the front, and the outer peripheral edge of the bowl surface 4 forms an opening 6 .
The opening 6 of the bowl surface 4 has an upper edge 8 forming the upper side, a lower edge 10 forming the lower side, and side edges 12 located on both sides connecting the upper edge 8 and the lower edge 10 .

A spouting device 14 called a spreader for spouting cleansing water onto the bowl surface 4 is attached to the upper region of the bowl surface 4 . The structure and the like of the water discharging device 14 will be described later (see FIG. 5).
Further, a drain port 16 is provided at the bottom of the bowl surface 4, and a trap portion 18 is provided downstream of the drain port 16 (see FIG. 5).

An outer peripheral surface 20 is formed toward the rear on the outer peripheral side of the opening 6 of the urinal body 2 . Further, a wall surface 22 is formed on the rear end side of the outer peripheral surface 20, that is, on the back surface of the urinal body 2 (see FIGS. 3 and 4). The urinal main body 2 is attached to the wall surface WA by means of mounting brackets or the like provided on the wall surface 22 .

The outer peripheral surface 20 of the urinal body 2 includes an outer peripheral top surface 24 extending rearward from the upper edge 8 of the opening 6, an outer peripheral lower surface 26 extending rearward from the lower edge 10 of the opening 6, and an opening. It has outer peripheral side surfaces 28 extending rearward from the side edges 12 on both sides of the portion 6 (see FIGS. 2 and 4).

Next, the water discharging device 14 of the urinal 1 described above will be described with reference to FIG. FIG. 5 is a cross-sectional view taken along line IV-IV of FIG.
As shown in FIG. 5, the water discharging device 14 is attached to the upper region of the bowl surface 4 as described above. It is inserted and fixed in a mounting hole 30 formed in the wall-attached surface 22 of the toilet body 2 .

A body portion 14a of the water discharger 14 includes a water discharge port 14b opened downward along the bowl surface 4, and a water supply pipe portion 14c communicating with the water discharge port 14b. A water supply pipe 32 is connected to the water supply pipe portion 14c of the main body portion 14a. The water supply pipe 32 is provided with an electromagnetic valve 36 for opening and closing the flow path, which is opened and closed at a predetermined timing according to a signal from the control section 38 . When the solenoid valve 36 is opened, the wash water supplied from the water supply source is radially discharged downward from the water discharge port 14b to the bowl surface 4. As shown in FIG.

Next, as shown in FIG. 5, a drain port 16 is provided at the bottom of the bowl surface 4, and a perforated plate 40 having a plurality of water passage holes is attached to the drain port 16. . Further, a trap portion 18 is formed on the downstream side of the drain port 16. The trap portion 18 is provided with a descending channel 18a, a turning channel 18b, and an ascending channel 18c. A trap channel is formed to store water as sealing water. The trap part 18 is connected to a drain pipe 42, which is connected to an external drainage facility so that urine and washing water are discharged to the outside.

Next, the shape of the opening 6 of the urinal body 2 will be described with reference to FIGS. 2 to 4. FIG.
First, as shown in FIG. 2, the lower edge 10 of the opening 6 of the urinal body 2 is formed with a radius of curvature smaller than that of the upper edge 8 when viewed from the front.
Specifically, in FIG. 2, the radius of curvature of the arc contacting the central portion 8a (that is, the upper end portion of the opening 6) of the upper edge 8 of the opening 6 is R1, and the center of the lower edge 10 of the opening 6 is R1. When the radius of curvature of the arc in contact with the portion 10a (that is, the lower end portion of the opening 6) is R2, the relationship is R1>R2. In this example, R1 preferably ranges from 85 mm to 95 mm, and R2 preferably ranges from 244 mm to 262 mm.

As another example in which the lower edge 10 of the opening 6 of the urinal body 2 is formed with a radius of curvature smaller than that of the upper edge 8 when viewed from the front, the upper edge 8 of the opening 6 and the The lower edge 10 is each formed by combining a plurality of arcs, and the opening 6 has an average value R22 of the curvature radii of the plurality of arcs of the lower edge 10 of the plurality of arcs of the upper edge 8 when viewed from the front. may be formed to have a smaller value than the average value of the radius of curvature R11. In this example, R11 preferably ranges from 578 mm to 606 mm, and R22 preferably ranges from 1011 mm to 1049 mm.

Next, as shown in FIG. 4, the lower edge 10 of the opening 6 of the urinal body 2 is formed with a smaller radius of curvature than the upper edge 8 when viewed from above.
Specifically, in FIG. 4, the radius of curvature of the arc contacting the central portion 8a of the upper edge 8 of the opening 6 (that is, the upper end portion of the opening 6) is R3, and the center of the lower edge 10 of the opening 6 is R3. If the radius of curvature of the arc in contact with the portion 10a (that is, the lower end portion of the opening 6) is R4, the relationship is R3>R4. In this example, R3 preferably ranges from 237 mm to 255 mm, and R4 preferably ranges from 153 mm to 167 mm.

As another example in which the lower edge 10 of the opening 6 of the urinal body 2 is formed with a radius of curvature smaller than that of the upper edge 8 when viewed from above, the upper edge 8 of the opening 6 and the The lower edge 10 is each formed by combining a plurality of arcs, and the opening 6 has an average value of the curvature radii R44 of the plurality of arcs of the lower edge 10, as viewed from above, of the plurality of arcs of the upper edge 8. may be formed to have a smaller value than the average value of the radius of curvature R33. In this example, R33 preferably ranges from 356 mm to 378 mm, and R44 preferably ranges from 235 mm to 253 mm.

Next, the side edges 12 on both sides of the opening 6 of the urinal body 2 will be described with reference to FIG. As shown in FIG. 2, the side edges 12 on both sides of the opening 6 of the urinal main body 2 are formed such that the width W thereof is equally spaced or narrows from the upper end 12a toward the lower end 12b in a front view. there is Specifically, if the width at the upper end 12a of the side edge 12 on both sides is W1 and the width at the lower end 12b is W2, then W1≧W2.
Here, as shown in FIG. 4, the above-described relationship of W1≧W2 in the side edges 12 on both sides of the opening 6 of the urinal body 2 is the same even in a plan view.

Next, as shown in FIG. 3, the opening 6 of the urinal body 2 is positioned lower than its upper portion U (that is, upper portions of the upper edge 8 and the side edges 12) in a side view. , the lower portion of the side edge 12 and the lower edge 10) are formed to have a larger inclination angle θ extending obliquely forward with respect to the vertical direction (direction along the wall surface WA).

Specifically, as shown in FIG. 3, the opening 6 is formed by combining a plurality of circular arc shapes. Here, assuming that the tangent line to the upper portion U of the opening 6 is A1, and the tangent line to the lower portion L of the opening 6 is A2, the inclination angle of the tangent line A1 extending obliquely forward with respect to the vertical direction is θ1, and the tangent line A1 extends obliquely forward with respect to the vertical direction. The extending tilt angle is θ2, and the relationship θ1<θ2 is established.

In the urinal according to the present embodiment, the opening 6 of the urinal main body 2 has an upper edge 8, a lower edge 10, and side edges 12 on both sides, which are substantially linear and obliquely forward when viewed from the side. may be formed so as to extend to

Next, the effects of the urinal 1 according to the embodiment of the present invention described above will be described.
First, in the present embodiment, the opening 6 of the urinal body 2 of the urinal 1 has an upper edge 8 forming the upper side, a lower edge 10 forming the lower side, and these upper and lower edges. , and the lower edge 10 of the opening 6 is formed by curvature radii R2, R22 smaller than the curvature radii R1, R11 of the upper edge 8 in a front view. When the user urinates, even if the user approaches the urinal 1, the crotch part is less likely to hit. In addition, since the curvature radii R1, R11 of the upper edge 8 of the opening 6 are set larger than the curvature radii R2, R22 of the lower edge 10, the bowl surface 4 is located above the position where the water discharging device 14 is provided. and, with this unwashed area reduced, the user's arm can be put inside the opening 6 so as not to hit the opening 6 when the user urinates. can be done. As a result, according to the urinal 1 according to the present embodiment, unsanitary conditions due to contact between the user and the urinal 1, unsanitary conditions associated with urine dripping on the floor surface F by the user, and other problems for the user. Visibility from other people can be prevented.

Next, in the present embodiment, the side edges 12 on both sides of the opening 6 of the urinal 1 are arranged such that the width W thereof is equally spaced or narrows from the upper end 12a toward the lower end 12b in front view and top view. Therefore, even if the user takes a posture in which the distance between the arms is shortened by turning the arms downward when urinating, it is difficult for the arms to hit the lower part of the body. In the region, the urinal is more accessible to the user. As a result, according to the urinal 1 according to the present embodiment, unsanitary conditions due to contact between the user and the urinal 1, unsanitary conditions associated with urine dripping on the floor by the user, and Visibility from the outside can be prevented.

Next, in this embodiment, the lower edge 10 of the opening 6 of the urinal 1 is formed with curvature radii R4 and R44 smaller than the curvature radii R3 and R33 of the upper edge 8 when viewed from above. When the user looks down when urinating, it becomes easier for the user to approach the urinal 1 visually and physically. As a result, according to the urinal 1 according to the present embodiment, unsanitary conditions due to contact between the user and the urinal 1, unsanitary conditions associated with urine dripping on the floor by the user, and Visibility from the outside can be prevented.

Next, in the present embodiment, the side edges 12 on both sides of the opening 6 of the urinal 1 extend obliquely forward with respect to the vertical direction at the lower portion L than at the upper portion U when viewed from the side. is formed to be large, the user can easily approach the urinal 1 when urinating, and the opening reliably catches urine dripping near the end of urination to prevent urine from scattering to the outside. be able to. As a result, according to the urinal 1 according to the present embodiment, unsanitary conditions due to contact between the user and the urinal 1, unsanitary conditions associated with urine dripping on the floor by the user, and Visibility from the outside can be prevented.

Next, in the present embodiment, the opening 6 of the urinal 1 is arranged such that its upper edge 8, lower edge 10, and both side edges 12 extend obliquely forward in a substantially straight line in a side view. Since it is formed, the user can easily approach the urinal 1 when urinating, and the opening reliably catches urine dripping near the end of urination to prevent urine from scattering to the outside. As a result, according to the urinal 1 according to the present embodiment, unsanitary conditions due to contact between the user and the urinal 1, unsanitary conditions associated with urine dripping on the floor by the user, and Visibility from the outside can be prevented.

Next, in this embodiment, the upper edge 8 and the lower edge 10 of the opening 6 of the urinal 1 are each formed by a combination of a plurality of arcs, and the opening 6 is formed by a plurality of arcs of the lower edge 10. Since the average value R22 of the curvature radii of the arcs is formed to be smaller than the average value R11 of the curvature radii of the plurality of arcs of the upper edge 8 when viewed from the front, the user can urinate. Even if it approaches the urinal, the crotch part will not hit easily. As a result, according to the urinal 1 according to the present embodiment, unsanitary conditions due to contact between the user and the urinal 1, unsanitary conditions associated with urine dripping on the floor by the user, and Visibility from the outside can be prevented.

Next, in this embodiment, the upper edge 8 and the lower edge 10 of the opening 6 of the urinal 1 are each formed by a combination of a plurality of arcs, and the opening 6 is formed by a plurality of arcs of the lower edge 10. Since the average value R44 of the curvature radii of the arcs is formed to be smaller than the average value R33 of the curvature radii of the plurality of arcs of the upper edge 8 when viewed from the top, the user can look downward when urinating. When looking down, it becomes easier for the user to approach the urinal 1 visually and physically. As a result, according to the urinal 1 according to the present embodiment, unsanitary conditions due to contact between the user and the urinal 1, unsanitary conditions associated with urine dripping on the floor by the user, and Visibility from the outside can be prevented.

Next, the outer peripheral surface 20 of the urinal body 2 of the urinal 1 of this embodiment will be described with reference to FIGS. 6 to 8. FIG. 6 to 8 are front views showing the outer peripheral top surface and the like of the urinal according to the embodiment of the present invention.

First, as shown in FIG. 6, the outer peripheral top surface 24 of the outer peripheral surface 20 of the urinal body 2 is inclined downward from the rear toward the front. At least above the water discharging device 14, the lengths of the lines B1, B2, and B3 that are orthogonal to the upper edge 8 of the opening 6 and extend from the upper edge 8 to the wall-mounted surface 22 are the lengths of the wall-mounted surface 22 when viewed from the front. It is formed to be elongated downward from the upper end.

In the urinal 1 according to the present embodiment, due to the configuration described above, when the exterior of the urinal 1 is cleaned, the cleaning water F1 flowing from the outer peripheral top surface 24 has a downward vector and a vector directed toward the opening 6. As a result, it is possible to prevent the washing water from flowing toward the wall surface 22 while directing the washing water F1 toward the bowl surface 4 .

Next, as shown in FIG. 7, the outer peripheral top surface 24 of the outer peripheral surface 20 of the urinal body 2 is inclined downward from the rear toward the front, and furthermore, the entire outer peripheral top surface 24 or the outer peripheral top surface 24 at least above the water discharging device 14, the lengths C1, C2, and C3 of lines perpendicular to the outer edge of the wall-mounted surface 22 and extending to the upper edge 8 of the opening 6 are the upper ends of the wall-mounted surface 22 in front view. It is formed so as to become longer from the bottom toward the bottom.

In the urinal 1 according to the present embodiment, due to the configuration described above, when the exterior of the urinal 1 is washed, the washing water F2 flowing from the outer peripheral top surface 24 has a downward vector and a vector directed toward the opening. As a result, it is possible to prevent the washing water from flowing toward the wall surface 22 while directing the washing water F2 toward the bowl surface 4 .

Next, as shown in FIG. 8, first, the outer edge of the wall attachment surface 22 is formed in an arc shape, then the upper edge 8 of the opening 6 is formed in an arc shape, and furthermore, the outer circumference top of the outer peripheral surface 20 is formed. The surface 24 is the entire outer peripheral top surface 24, or at least the upper side of the outer peripheral top surface 24 above the water discharging device 14, in front view, the outer edge 22b excluding the center point 22a in the left-right direction of the wall attached surface 22 and this outer edge 22b. A line L1 connecting the center points O1 of the curvature radii of the contacting arcs is formed so as to intersect the center axis C0 of the opening 6 in the left-right direction. In other words, the arc that contacts the outer edge 22b of the wall attachment surface 22 is the arc that faces the bowl surface 4 and does not include the arc that faces the outside of the outer peripheral top surface 24.

In the urinal 1 according to the present embodiment, the water flowing from the outer peripheral top surface 24 has a downward vector and a vector directed toward the opening 6 due to the above-described configuration. At the same time, it is possible to prevent water from flowing to the side of the wall-mounted surface 22 .

Next, as shown in FIG. 2, in the present embodiment, the outer edge of the wall-mounted surface 22 in the entire outer peripheral top surface 24 or at least above the water discharging device 14 of the outer peripheral top surface 24 is , with a radius of curvature R5 greater than the radius of curvature R1 of the upper edge 8 of the opening 6. As shown in FIG.

In the urinal 1 according to the present embodiment, the water flowing from the outer peripheral top surface 24 has a downward vector and a vector directed toward the opening 6 due to the above-described configuration. At the same time, it is possible to suppress the flow of water to the wall surface side.

Next, as shown in FIGS. 2 and 4, in this embodiment, below the water discharging device 14, the outer peripheral top surface 24 and the outer peripheral side surface 28 of the outer peripheral surface 20 are inclined inward from the rear to the front. Further, the upper edge 8 and the side edge 12 of the opening 6 are formed to extend obliquely forward.

In the urinal 1 according to the present embodiment, the water flowing from the outer peripheral top surface 24 has a downward vector and a vector directed toward the opening 6 due to the above-described configuration. At the same time, it is possible to prevent water from flowing to the side of the wall-mounted surface 22 .

1 urinal 2 urinal body 4 bowl surface 6 opening 8 upper edge 10 lower edge 12 side edge 14 water discharger 20 outer peripheral surface 22 wall attached surface 24 outer peripheral top surface 26 outer peripheral lower surface 28 outer peripheral side surface WA wall surface F floor surface

Claims (5)

a urinal,
an opening at the front defining a bowl surface therein for receiving urine;
an outer peripheral surface formed toward the rear on the outer peripheral side of the opening;
a wall surface located on the back side of the outer peripheral surface and in contact with the wall surface;
a water discharge device provided in the center of the upper region of the bowl surface and discharging wash water so as to spread in the lateral direction of the bowl surface;
The opening is formed by an upper edge forming the upper side, a lower edge forming the lower side, and both side edges connecting the upper and lower edges,
The outer peripheral surface includes an outer peripheral top surface extending rearward from the upper edge of the opening, an outer peripheral lower surface extending rearward from the lower edge of the opening, and rearward from both side edges of the opening. with an outer peripheral side surface extending toward the
The outer peripheral top surface of the outer peripheral surface is inclined downward from the rear to the front, and the length of a line perpendicular to the upper edge of the opening and extending from the upper edge to the wall surface above the discharge device. A urinal, characterized in that, in a front view, a urinal is formed so as to extend downward from the upper end of the wall-attached surface. a urinal,
an opening at the front defining a bowl surface therein for receiving urine;
an outer peripheral surface formed toward the rear on the outer peripheral side of the opening;
a wall surface located on the back side of the outer peripheral surface and in contact with the wall surface;
a water discharge device provided in the center of the upper region of the bowl surface and discharging wash water so as to spread in the lateral direction of the bowl surface;
The opening is formed by an upper edge that forms the upper side, a lower edge that forms the lower side, and side edges on both sides that connect the upper edge and the lower edge,
The outer peripheral surface includes an outer peripheral top surface extending rearward from the upper edge of the opening, an outer peripheral lower surface extending rearward from the lower edge of the opening, and rearward from both side edges of the opening. with an outer peripheral side surface extending toward the
The outer peripheral top surface of the outer peripheral surface is inclined downward from the rear to the front, and the length of a line perpendicular to the outer edge of the wall attachment surface and extending to the upper edge of the opening above the water discharging device. A urinal, characterized in that, in a front view, a urinal is formed so as to extend downward from the upper end of the wall-attached surface. The outer edge of the wall-attached surface is formed in an arc shape, the upper edge of the opening portion is formed in an arc-shape, and the outer peripheral top surface of the outer peripheral portion is above the water discharging device and viewed from the front, the wall-attached surface. and a line connecting the center point of the radius of curvature of the arc in contact with the outer edge excluding the center point in the left-right direction of the opening is formed so as to intersect the center axis line in the left-right direction of the opening. A urinal according to claim 1 or claim 2. Above the water discharging device, the outer edge of the wall-mounted surface is formed with a larger radius of curvature than the radius of curvature of the upper edge of the opening in a front view above the water discharging device. A urinal according to claim 3. Below the water discharging device, the outer peripheral top surface and the outer peripheral side surface of the outer peripheral surface are formed so as to incline inward from the rear to the front, and the upper edge and the side edge of the opening extend obliquely forward. 5. The urinal according to any one of claims 1 to 4, characterized in that the urinal is

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