JP2021120516A - Bathroom floor and drainage structure of bathroom - Google Patents

Abstract

To provide a bathroom floor and a drainage structure of a bathroom whereby it is possible to further improve drainage performance.SOLUTION: A bathroom floor 1 comprises: a floor surface part 10; a drainage part 20; and a plurality of convex parts 30. The floor surface part 10 forms a water gradient. The drainage part 20 is provided so as to be connected to the floor surface part 10 on a lower side of the water gradient of the floor surface part 10. The plurality of the convex parts 30 are provided so as to project from the drainage part 20, and form a flow channel S between them.SELECTED DRAWING: Figure 5

Description

The present disclosure relates to bathroom floors and bathroom drainage structures.

Patent Document 1 discloses a conventional bathroom floor. This bathroom floor has a drainage gradient that slopes toward the drainage port on the surface of the washing area. By providing such a gradient, the bathroom floor guides the flow of water toward the drain port and reduces the amount of water remaining on the surface of the washing place.

Japanese Unexamined Patent Publication No. 2016-65391

Even if the bathroom floor formed a gradient for drainage, the flow of hot water on the floor surface gradually became intermittent as the flow rate decreased, and the bathroom floor sometimes stagnated. There has been a demand for a technique for improving the retention of hot water on the floor surface.

The present disclosure is an issue to be solved to provide a bathroom floor and a bathroom drainage structure capable of further improving drainage.

In order to solve the above-mentioned problems, the bathroom floor according to the embodiment of the present disclosure includes a floor surface portion having a predetermined water gradient and a drainage portion provided continuously with the floor surface portion on the lower side of the water gradient. , A plurality of convex portions that are provided so as to project from the drainage portion and form a flow path between them.

In order to solve the above-mentioned problems, the bathroom drainage structure according to the embodiment of the present disclosure is provided with a floor surface portion having a predetermined water gradient and a drainage surface portion connected to the floor surface portion on the lower side of the water gradient. It is provided with a portion and a plurality of convex portions that are provided so as to project from the drainage portion and form a flow path between them.

It is a top sectional view schematically showing a bathroom provided with a bathroom floor. It is a side sectional view schematically showing a bathroom provided with a bathroom floor. It is a top view which shows the area around a drainage basin. FIG. 3 is a sectional view taken along line IV-IV of FIG. It is a top view which shows the convex part. FIG. 5 is a sectional view taken along line VI-VI of FIG. FIG. 6 is an enlarged end view of a part of the vicinity of the convex portion on the VII-VII line of FIG.

<Embodiment 1>
Embodiment 1 embodying the bathroom floor and the drainage structure of the bathroom of the present disclosure will be described with reference to FIGS. 1 to 7.

As shown in FIGS. 1 and 2, the bathroom floor 1 of the first embodiment is provided in the bathroom 100. The bathroom floor 1 is also an example of the drainage structure of the bathroom. The bathroom 100 includes the bathroom floor 1 and a bathtub 101. The bathroom floor 1 is provided adjacent to the bathtub 101 and is used as a washing place or the like. The bathroom floor 1 receives hot water from the bathroom 100 user when washing his body, hot water overflowing from the bathtub 101, and the like on the upper surface, and circulates the hot water in the direction of the drain port 40A and discharges the hot water to the drainage channel E. The bathroom 100 forms a space having a substantially rectangular shape in a plan view. The bathroom floor 1 and the bathtub 101 are arranged side by side in the longitudinal direction of the bathroom 100 in a plan view. In the bathroom 100, the inner wall panel 102 stands up from the periphery of the bathroom floor 1 and the bathtub 101. The bathroom floor 1 is formed in a substantially rectangular shape in a plan view with the lateral direction in the bathroom 100 as the longitudinal direction. The bathroom floor 1 is surrounded by inner wall panels 102 on three sides except for a portion adjacent to the bathtub 101.

As shown in FIGS. 1 and 2, the bathroom floor 1 includes a floor surface portion 10, a drainage portion 20, a convex portion 30, and a drainage basin 40. The bathroom floor 1 is configured such that the drainage section 20 surrounds three sides of the drainage basin 40 which is adjacent to the bathtub 101 and has a substantially square shape in a plan view, and the floor surface portion 10 surrounds the outside of the drainage section 20. The convex portion 30 is provided in the drainage portion 20 at a portion located on the opposite side of the bathtub 101 as seen from the drainage basin 40. The position where the convex portion 30 is provided is a position near the boundary lines V1 and V2, which will be described later, and is a position where hot water easily collects and stays on the bathroom floor 1.

The floor surface portion 10 forms a predetermined water gradient. Specifically, the water gradient of the floor surface portion 10 is in a form in which the direction indicated by the long broken line arrow shown in FIG. 1 is the inferior direction. As shown in FIG. 1, the floor surface portion 10 forms a plurality of floor surfaces 10A, 10B, 10C having different directions of water gradients (three in the case of FIG. 1). The plurality of floor surfaces 10A, 10B, and 10C are formed at positions corresponding to three sides except the bathtub 101 side as viewed from the drainage basin 40.

The direction of the water gradient on the floor surface 10A (exemplified as the first floor surface) is the direction along the longitudinal direction of the bathroom 100 in the plan view (exemplified as the first direction). The direction of the water gradient of the floor surfaces 10B and 10C (exemplified as the second floor surface, respectively) is a direction intersecting the direction of the water gradient on the floor surface 10A, and is the lateral direction (floor surface portion) of the bathroom 100 in a plan view. It is a direction (exemplified as a second direction) along the longitudinal direction of 10. As described above, the water gradients of the floor surfaces 10A, 10B, and 10C have different directions. However, the water gradients of the floor surfaces 10A, 10B, and 10C are all formed to be inclined downward toward the drainage basin 40. The magnitudes of the gradients of the floor surfaces 10A, 10B, and 10C are the same, which is 1/45 (about 2.22%). The floor surfaces 10A, 10B, and 10C are textured.

As shown in FIG. 1, boundary lines V1 and V2 are formed between the floor surface 10A and the floor surface 10B and between the floor surface 10A and the floor surface 10C, respectively. The boundary lines V1 and V2 are lines of intersection between the floor surfaces 10A, 10B, and 10C. The boundary lines V1 and V2 extend in the direction of the drainage basin 40. The boundary lines V1 and V2 intersect on the drainage portion 20 in a portion located on the opposite side of the bathtub 101 as seen from the drainage basin 40 in a plan view. The actual boundary between the floor surfaces 10A, 10B, and 10C is subjected to a so-called blurring process that smoothly connects two planes having different gradient directions. By this blurring process, it is difficult for the floor surface portion 10 to visually recognize the clear boundaries of the floor surfaces 10A, 10B, and 10C. A straight valley-shaped region along the boundary lines V1 and V2 is formed around the boundary lines V1 and V2.

The drainage portion 20 is provided so as to be connected to the floor surface portion 10 on the lower side of the water gradient of the floor surface portion 10. As shown in FIG. 6, the drainage portion 20 forms a gradient having a magnitude different from the magnitude of the water gradient of the floor surface portion 10. That is, the drainage portion 20 has a gradient having a magnitude different from the magnitude of the water gradient of the floor surface portion 10, and extends downward from the boundary R with the floor surface portion 10. Specifically, the gradient of the upper surface of the drainage portion 20 is 1/6 (about 16.7%), which is larger than the magnitude of the water gradient of the floor surface portion 10. As shown in FIGS. 3 to 6, the drainage portion 20 is connected to the upper end of the elevation portion 41 of the drainage basin 40, which will be described later, on the lower side of the slope.

As shown in FIGS. 1 to 4, the drainage basin 40 is formed in a substantially square shape in a plan view and is recessed below the upper surface of the floor surface portion 10. The drainage basin 40 is configured to have an elevation portion 41 and a bottom portion 42. The elevation portion 41 is connected to the drainage portion 20 and extends downward on the lower side of the slope of the drainage portion 20. The bottom surface portion 42 is formed so as to be connected to the lower end of the elevation portion 41. As shown in FIG. 6, the connection portion between the drainage portion 20 and the elevation portion 41 and the connection portion between the elevation portion 41 and the bottom surface portion 42 are smoothed by an R shape. A drainage port 40A is formed in the central portion of the bottom surface portion 42.

As shown in FIGS. 1 and 2, the lid member 43 is fitted into the recess of the drainage basin 40. The lid member 43 is fitted into the recess of the drainage basin 40 in a form in which the height of the upper surface is substantially equal to the height of the upper surface of the drainage portion 20. The lid member 43 forms a gap between the surface facing the surface of the elevation portion 41 and the surface of the elevation portion 41 in a state of being fitted into the recess of the drainage basin 40. The hot water that has passed through the floor surfaces 10A, 10B, 10C and the drainage portion 20 of the floor surface portion 10 and reached the drainage basin 40 passes through this gap and is discharged from the drainage port 40A.

Each of the plurality of convex portions 30 is provided so as to project from the drainage portion 20. The plurality of convex portions 30 form a flow path S between them. The flow path S extends in the direction opposite to the floor surface portion 10 in the drainage portion 20. Specifically, the extending direction of the flow path S is the direction of the drainage basin 40, which is the lower direction of the gradient of the drainage portion 20. As shown in FIGS. 5 and 6, the plurality of convex portions 30 gradually rise from the surface of the drainage portion 20 at a position at a predetermined distance from the boundary R between the drainage portion 20 and the floor surface portion 10. There is. The convex portion 30 is formed so as to extend substantially parallel to the base end in a ridge shape in the direction of the drainage basin 40, which is the lower direction of the slope of the drainage portion 20.

FIG. 7 is a diagram showing the vicinity of the convex portion 30 on the end face of the VII-VII line of FIG. The VII-VII line in FIG. 6 is a line indicating an orthogonal plane on the surface of the drainage portion 20. As shown in FIG. 7, the convex portion 30 has a substantially trapezoidal cross-sectional shape in which the width decreases from the surface of the drainage portion 20 toward the end surface 30A in the projecting direction. The side surface 30B of the convex portion 30 has an R-shaped uneven surface that gently connects the end surface 30A in the projecting direction and the surface of the drainage portion 20. That is, since the convex portion 30 smoothly protrudes from the surface of the drainage portion 20 without any corners or the like, the design is good and cleaning is easy.

As shown in FIG. 5, the convex portion 30 is provided in the vicinity of the boundary lines V1 and V2 in the drainage portion 20. As described above, the boundary lines V1 and V2 intersect on the drainage portion 20 in a plan view. The intersection of the boundary lines V1 and V2 is located on the flow path S formed between the plurality of convex portions 30. That is, on the bathroom floor 1, two convex portions 30 are provided so as to be located in the flow path S formed between the intersections of the two boundary lines V1 and V2 that intersect on the drainage portion 20 in a plan view. ing.

As shown in FIG. 6, the tip of the convex portion 30 in the extending direction reaches the bottom surface portion 42. That is, the convex portion 30 extends along the surface of the elevation portion 41 of the drainage basin 40 to the bottom surface portion 42. Therefore, the flow path S between the plurality of convex portions 30 also extends from the drainage portion 20 to the bottom surface portion 42 via the elevation portion 41.

The convex portion 30 begins to rise at a distance of about 1 mm from the boundary R between the drainage portion 20 and the floor surface portion 10. Each convex portion 30 is formed with a maximum protruding height of about 0.5 mm from the surface of the drainage portion 20 to the end surface 30A in the protruding direction. The convex portion 30 is formed to be lower than the surface height of the floor surface portion 10. That is, the convex portion 30 is formed so as to gradually protrude higher toward the lower side of the slope of the drainage portion 20 within a range not exceeding the surface height of the floor surface portion 10. The width of each convex portion 30 is formed to be about 2 mm. The width of the flow path S between the convex portions 30 is about 3 mm, which is larger than the width of the convex portions 30.

The operation of the bathroom floor 1 having the above configuration will be described.

The bathroom floor 1 receives hot water when the user of the bathroom 100 flushes his / her body, hot water overflowing from the bathtub 101, and the like, and distributes the hot water from the floor surface portion 10 and the drainage portion 20 in the direction of the drainage basin 40. Specifically, the hot water that has fallen on the upper surface of the floor surface portion 10 flows in the lower direction of the water gradient formed on the floor surface portion 10. The drainage portion 20 is arranged on the lower side of the floor surface portion 10 in the water gradient. Therefore, the hot water flowing on the floor surface portion 10 collects around the drainage portion 20. The hot water that has reached the drainage section 20 flows into the drainage basin 40 provided in connection with the drainage section 20, and is discharged to the drainage channel E through the drainage port 40A.

When the flow rate of hot water flowing on the bathroom floor 1 decreases, the flow becomes intermittent. Then, as compared with the case where hot water is continuously flowing, the ratio of the magnitude of the surface tension of water gradually increases with respect to the force that tends to flow downward along the water gradient due to gravity. Therefore, hot water tends to stay on the bathroom floor 1.

Since the convex portion 30 is provided so as to project from the drainage portion 20, the water in contact with the convex portion 30 has a surface tension larger than the surface tension on the flat surface. However, since a plurality of convex portions 30 are provided and a flow path S is formed between them, a so-called capillary phenomenon occurs in the water flowing in the flow path S. As a result, even when the flow of hot water becomes intermittent, the hot water in contact with the convex portion 30 is drawn into the flow path S between the convex portions 30. Each convex portion 30 is formed so as to extend in a ridge shape in the downward direction of the slope of the drainage portion 20. Therefore, the hot water drawn into the flow path S is further drawn in the lower direction of the gradient of the drainage portion 20, that is, toward the drainage basin 40 side, and drainage is promoted.

The floor surface portion 10 forms floor surfaces 10A, 10B, and 10C having different directions of water gradients. Of the hot water flowing on any of the floor surfaces 10A, 10B, and 10C, a part of the hot water reaches the drainage portion 20 directly along the water gradient. Some other hot water reaches the boundary with other floors when it flows along the water gradient. The hot water that reaches the boundary with the other floor surface is affected by the water gradients of both floor surfaces and flows in the direction intersecting the direction of the water gradient. This direction is the extending direction of the boundary lines V1 and V2. That is, hot water flowing on the two floor surfaces forming the boundary collects on the boundary lines V1 and V2, and the collected hot water flows along the boundary lines V1 and V2.

The floor surface portion 10 is provided in a form in which boundary lines V1 and V2, which are intersections of the floor surfaces 10A, 10B, and 10C, extend toward the drainage portion 20 side. In the floor surface portion 10 having such a form, hot water that has flowed on the floor surfaces 10A, 10B, and 10C and has reached the boundary lines V1 and V2 further circulates along the boundary lines V1 and V2 and is concentrated in the drainage portion 20 direction. Will be done. As described above, in the bathroom floor 1, the hot water is collected so that the hot water flowing through the floor surface portion 10 flows along the boundary lines V1 and V2, so that the intermittent flow of the hot water water on the floor surface portion 10 is less likely to occur. .. Then, the hot water circulated along the boundary lines V1 and V2 is collected in the drainage section 20. Since the drainage section 20 is formed with the flow paths S formed by the plurality of convex portions 30, even if an intermittent flow occurs in the hot water collected in the drainage section 20, drainage is promoted through the flow path S and stays there. Is less likely to occur.

The plurality of convex portions 30 are provided in the vicinity of the boundary lines V1 and V2 in the drainage portion 20. Therefore, the hot water flowing along the boundary lines V1 and V2 gathers in the vicinity of the convex portion 30, and the drainage through the flow path S is further promoted.

The boundary lines V1 and V2 intersect at the drainage portion 20 in a plan view. The plurality of convex portions 30 are provided so that the intersections of the boundary lines V1 and V2 are located in the flow path S. As described above, the hot water flowing on the floor surface portion 10 collects on the boundary lines V1 and V2, and the hot water collected in the vicinity of the boundary lines V1 and V2 flows downstream along the boundary lines V1 and V2. Therefore, the position of the intersection, which is the downstream part of the boundary lines V1 and V2, is the position where the hot water is most concentrated and the position where the hot water is most likely to stay. In the bathroom floor 1, the convex portion 30 is arranged in the vicinity of such a position, and the convex portion 30 is further arranged so that the intersection of the boundary lines V1 and V2 is located in the flow path S. Therefore, the bathroom floor 1 further promotes drainage through the flow path S and effectively suppresses the retention of hot water.

The plurality of convex portions 30 extend to the bottom surface portion 42 along the surface of the elevation portion 41 of the drainage basin 40. Therefore, the hot water flowing through the flow path S is guided to the bottom surface 42 of the drainage basin 40, and the drainage from the drainage port 40A is further promoted.

As described above, the bathroom floor 1 includes a floor surface portion 10, a drainage portion 20, and a plurality of convex portions 30. The floor surface portion 10 forms a predetermined water gradient. The drainage portion 20 is provided so as to be connected to the floor surface portion 10 on the lower side of the water gradient of the floor surface portion 10. The plurality of convex portions 30 are provided so as to project from the drainage portion 20 and form a flow path S between them. With such a configuration, the bathroom floor 1 collects hot water flowing on the floor surface portion 10 in the drainage portion 20 to promote drainage. Even when the flow rate of hot water collected in the drainage portion 20 is reduced, the bathroom floor 1 is on the drainage basin 40 side opposite to the floor surface portion 10 due to the flow path S formed between the plurality of convex portions 30. It can promote the discharge of hot water. Therefore, the bathroom floor 1 can further improve the drainage property.

The drainage portion 20 is formed with a gradient larger than the magnitude of the water gradient of the floor surface portion 10. Therefore, the discharge of hot water to the drainage basin 40 side can be further promoted.

The floor surface portion 10 forms a floor surface 10A as a first floor surface and floor surfaces 10B and 10C as a second floor surface. The floor surface 10A is a direction in which the direction of the water gradient is along the longitudinal direction of the bathroom 100 in the plan view as the first direction. The floor surfaces 10B and 10C are directions in which the direction of the water gradient is along the lateral direction of the bathroom 100 (longitudinal direction of the floor surface portion 10) in the plan view as the second direction. The boundary lines V1 and V2, which are the intersections of the floor surface 10A and the floor surfaces 10B and 10C, extend toward the drainage portion 20 side. The convex portion 30 is provided in the vicinity of the boundary lines V1 and V2 in the drainage portion 20. In this way, by providing the convex portions 30 in the vicinity of the boundary lines V1 and V2 in the drainage portion 20 where the hot water is collected, the discharge of the hot water through the flow path S can be further promoted. As a result, the retention of hot water can be made less likely to occur.

The bathroom floor 1 is provided with a drainage basin 40. The drainage basin 40 includes an elevation portion 41 and a bottom portion 42. The elevation portion 41 is connected to the drainage portion 20 and extends downward on the lower side of the slope of the drainage portion 20. The bottom surface portion 42 extends to the lower end of the elevation portion 41 and forms a drain port 40A. The convex portion 30 extends along the surface of the elevation portion 41 to the bottom surface portion 42. Therefore, the discharge of hot water from the flow path S to the drain port 40A can be further promoted.

The present disclosure is not limited to the disclosure of the first embodiment described by the above description and the drawings, and includes, for example, the following embodiments.

(1) The bathroom floor is not limited to that used in a bathroom provided with a bathtub as in the first embodiment. The bathroom floor may be, for example, a bathroom floor with a shower unit and no bathtub. The bathroom floor may be, for example, the floor of the bathroom in which the toilet unit is installed on the floor surface.

(2) The floor surface portion is not limited to the embodiment of the first embodiment. For example, the floor surface portion may be inclined downward in the direction of the water gradient only in one direction, or may be inclined downward in a plurality of directions such as two directions or four or more directions.

(3) The magnitude of the gradient of the drainage portion is not particularly limited. The gradient of the drainage portion is not limited to a gradient larger than the magnitude of the water gradient on the floor surface as in the first embodiment, and may be a gradient smaller than the magnitude of the water gradient on the floor surface, for example, a so-called zero gradient. It may be.

(4) The number, size, shape (cross-sectional shape), spacing, and the like of the plurality of convex portions are not limited to those shown in the first embodiment. The number of convex portions may be, for example, three or more. As the size of the convex portion, for example, the size in the direction orthogonal to the stretching direction (width direction) can be 2 mm to 10 mm. The protruding height of the convex portion can be, for example, 0.3 mm to 3 mm. In this case, it is preferable from the viewpoints of ease of cleaning, ease of attaching / detaching the lid member of the drainage basin, ease of manufacturing, and the like. For example, if the protruding height of the convex portion is too large, problems such as deterioration of cleanability between the convex portion, chipping due to interference when attaching and detaching the lid member, and poor mold release during manufacturing may occur. There is. The protruding height of the convex portion is preferably a height that does not exceed the height of the upper surface of the floor surface portion. The distance between the convex portions (width of the flow path) can be, for example, 2 mm to 10 mm. If the flow path width is within the above range, the effect of promoting the drainage of water by connecting the convex portion can be sufficiently obtained.

(5) The plurality of convex portions are not limited to the form extending to the bottom surface portion of the drainage basin as in the first embodiment. The plurality of convex portions may be formed, for example, extending to the middle of the elevation portion or formed only in the drainage portion.

(6) When a plurality of boundary lines, which are lines of intersection between floor surfaces having different directions of water gradient, are formed, it is not essential that they intersect at the drainage portion in a plan view. The plurality of boundary lines may, for example, intersect on the floor surface portion, or may intersect at an extension line extending to the lower side of the drainage portion such as a drainage basin.

(7) When the convex portion is provided in the vicinity of the boundary line in the drainage portion, the "neighborhood" means, for example, a form in which the boundary line passes on the flow path or the convex portion in a plan view, from the convex portion. It is intended that the convex portion is provided in a form of passing within a predetermined distance (for example, a distance equivalent to the groove width or the distance between the convex portions).

1 ... Bathroom floor, 10 ... Floor surface, 10A, 10B, 10C ... Floor surface, 20 ... Drainage part, 30 ... Convex part, 40 ... Drainage basin, 40A ... Drainage port, 41 ... Elevation part, 42 ... Bottom part, S ... Flow path between convex parts, V1, V2 ... Boundary line (intersection line)

Claims (5)

The floor that formed the water gradient and
A drainage portion provided in connection with the floor surface portion on the lower side of the water gradient, and a drainage portion.
A plurality of convex portions that are provided so as to project from the drainage portion and form a flow path between them,
The bathroom floor is equipped with. The bathroom floor according to claim 1, wherein the drainage portion forms a gradient larger than the magnitude of the water gradient. The floor surface portion forms at least a first floor surface in which the direction of the water gradient is the first direction and a second floor surface in which the direction of the water gradient intersects the first direction. , The intersection line between the first floor surface and the second floor surface extends toward the drainage portion.
The bathroom floor according to any one of claims 1 and 2, wherein the convex portion is provided in the vicinity of the line of intersection in the drainage portion. It is provided with a drainage basin having an elevation portion connected to the drainage portion and extending downward on the lower side of the slope of the drainage portion, and a drainage basin having a bottom portion extending to the lower end of the elevation portion and forming a drainage port.
The bathroom floor according to any one of claims 1 to 3, wherein the convex portion extends along the surface of the elevation portion to the bottom surface portion. The floor that formed the water gradient and
A drainage portion provided in connection with the floor surface portion on the lower side of the water gradient, and a drainage portion.
A plurality of convex portions that are provided so as to project from the drainage portion and form a flow path between them,
The drainage structure of the bathroom is equipped with.

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