JP2005344278A - Floor pan for bathroom - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a floor pan for a bathroom which makes water hardly accumulated on the periphery of a drain inlet of a floor. <P>SOLUTION: This floor pan for the bathroom, the floor section of which has a flow slope toward the drain inlet is characterized in that a narrow groove for drainage one end of which is opened at the end of the floor section, the other end of which is opened on the side of the inner wall surface of the drain inlet, the width of which is in the range of 0.2-4 mm and the maximum depth of which is in a range of 0.3-2 mm, is provided at the ratio of one or more places per 100 mm as the length of the circumference of the drain inlet along the peripheral edge of the drain inlet continuing to the floor. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a bathroom floor pan.

In recent years, unit baths have become the mainstream in bathrooms. In this unit bath, a washing place and a bathtub receiving part are formed using a floor pan made of resin such as fiber reinforced plastic (FRP).
Among such floor pans, the floor pans that constitute the washing floor floor are drained to the floor so that the wash water that has fallen on the floor is drained from a drain outlet provided at a part of the floor pan. A flow gradient toward the mouth is provided.

In the conventional floor pan, as shown in FIG. 6, the surface of the floor portion 100 has a concavo-convex shape portion 110 having a slip-preventing effect such as slabs, rocks, and tiles, and the concavo-convex shape portion 11.
Some of them are formed by joints 120 provided in order to improve the drainage while separating the zeros from the design and improving the drainage.
However, the flow gradient provided in the floor pan is generally about 1 to 3 degrees so that the bathroom user does not slip on the floor pan. Therefore, the water that has fallen to the floor part inevitably remains in an island shape on the floor surface due to surface tension when the flow breaks, and a water film is formed by the water remaining in this island shape,
Even if the floor is anti-slip, it cannot be completely prevented from slipping. In addition, in accommodation facilities such as hotels, it is necessary to wipe off the water remaining after cleaning, but if the water is accumulated in an island shape on the floor as described above, it takes a very long time to wipe off the work There's a problem.

Therefore, in order to further improve the drainage of the floor surface, a continuous flow path is provided between the uneven shape part 110 and the joint part 120, and an unevenness that destroys the surface tension of the polka dots is provided on the flow path. A floor pan that has been used has been proposed (see Patent Document 1, etc.).

However, even in the structure like the floor pan, there is a problem that the water 300 remains in the peripheral portion of the drain outlet 200 as shown in FIG.
That is, in the case of a conventional floor pan, the drain outlet periphery 210 of the floor portion 100 has a curved surface of about 2 to 10R, and when the flow rate is large, the gravity of the water that flows into the drain outlet is Since the surface tension generated between the water and the water droplets is larger than the surface tension, the water 300 flows smoothly into the drain port. Gravity becomes smaller than the surface tension of water and remains at the peripheral edge of the drainage port 200 as shown in FIG.

JP 2003-27717 A

In view of the above circumstances, an object of the present invention is to provide a bathroom floor pan in which water is unlikely to collect around the drain outlet of the floor.

In order to achieve the above object, a bathroom floor pan according to the present invention is a bathroom floor pan in which the floor portion has a flow gradient toward the drain outlet. While opening on the inner wall surface side of the drain outlet, the width is 0.2 mm to 4 mm, and the maximum depth is 0.3 mm to
A drainage narrow groove of 2 mm has a peripheral length of 100 m along the periphery of the drainage port continuous to the floor.
It is characterized by being provided at a rate of 1 or more per m.

In the present invention, the width of the fine groove for drainage is limited to 0.2 mm to 4 mm, and preferably 0.5 mm to 3 mm, because the width of the fine groove for drainage is less than 0.2 mm. This is because dirt tends to accumulate in the drainage narrow groove, and if it exceeds 4 mm, the capillary phenomenon that draws water hardly occurs.
The depth of the drainage narrow groove is limited to 0.3 mm to 2 mm, preferably 0.5 mm to 1.5 mm.
The reason is that if the maximum depth of the drainage narrow groove is less than 0.3 mm, the capillary phenomenon that draws in water is less likely to occur, and if the maximum depth exceeds 2 mm, This is because dirt tends to accumulate.

Moreover, in order to lower the surface tension of the inner wall surface of the fine groove for drainage and to improve the drainage performance, the floor pan for the bathroom of the present invention has an inner wall surface of the fine groove for drainage of 20 μm to 70 μm as in claim 2. It is preferable to use a pear ground having irregularities of a depth of. If the thickness is less than 20 μm, the effect of reducing the surface tension is small, and if it exceeds 70 μm, dirt tends to adhere.

The method of forming the pear ground is not particularly limited. The method of forming simultaneously is preferable.

In the present invention, the flow gradient of the floor is not particularly limited, but is preferably about 1 to 3 °.
That is, if it is less than 1 °, water tends to accumulate, and if it exceeds 3 °, a bather or the like may slip and get injured.
Moreover, it is preferable to make the boundary part of a floor part and a drain outlet into the curved-surface shape of 2R-10R.

As described above, the bathroom floor pan according to the present invention is a bathroom floor pan in which the floor portion has a flow gradient toward the drain outlet. A drainage narrow groove with a width of 0.2 mm to 4 mm and a maximum depth of 0.3 mm to 2 mm, which opens on the inner wall surface side, surrounds the drainage port along the periphery of the drainage port that continues to the floor. Since it is provided at a rate of one or more per 100 mm in length, the water that has reached the drain perimeter is the portion of the narrow groove for drainage that is in contact with the narrow groove for drainage even when the flow rate is small. It drains from the floor side to the inner wall surface side of the drainage port by the phenomenon. Therefore, the drainage around the drain outlet is excellent.

Moreover, if the inner wall surface of the drainage narrow groove is made into a pear-like surface having irregularities with a depth of 20 μm to 70 μm as in the floor pan of claim 2, the surface tension of water is reduced and the drainage is improved.

Hereinafter, the present invention will be described in detail with reference to the drawings showing embodiments thereof.
1 to 4 show an embodiment of a bathroom floor pan according to the present invention.

As shown in FIGS. 1 and 2, the bathroom floor pan 1 is configured to form only a bathroom washing place, and includes a floor portion 2 and a drain port 3.
The floor portion 2 has a flow gradient of about 1 ° to 3 ° toward the drain port 3, and is formed of a plurality of floor surface constituent portions 22 separated by joint portions 21, as shown in FIGS. 3 and 4. As shown, the boundary with the drainage port 3 is a curved surface of 2 to 10R.

As shown in FIG. 1, the drainage port 3 is a substantially square recess having a side of 200 mm.
One of the peripheral edges is continuous with the floor portion 2 and the other peripheral edge is provided along the rising wall 4 on the bathtub side, and a drain hole 32 is formed in the bottom 31 thereof.

On the periphery of the three sides continuous to the floor 2 of the drain port 3, a drain groove 5 is provided with a peripheral length 1 of the drain port 3.
It is provided at a rate of 1 or more per 00 mm.
The drainage narrow groove 5 has one end opened at the end of the floor 2 and the other end opened at the inner wall 33 side of the drainage port 3, and the width W is 0.2 mm to 4 mm and the maximum depth D. Is 0.3 mm to 2 mm, and its wall surface is a pear ground having irregularities with a depth of 20 μm to 70 μm.

Since the floor pan 1 is provided with the drainage narrow groove 5 even when the flow rate of the water flowing through the floor portion 2 is reduced as described above, the water reaching the periphery of the drain port 3 of the floor portion 2 The water is drawn into the drainage narrow groove 5 by the capillary phenomenon due to the drainage narrow groove 5 and then flows into the drainage port 3 from the drain side end of the drainage narrow groove 5. Therefore, the amount of water remaining at the periphery of the drain port 3 is extremely reduced, the floor portion is quickly dried, and the remaining water is wiped off easily.

In addition, since the inner wall surface of the drainage narrow groove 5 is a pear-ground surface having irregularities with a depth of 20 μm to 70 μm, the surface tension of water is reduced, and the drainage performance is improved.
Furthermore, since the boundary portion between the floor portion 2 and the drainage port 3 is a curved surface of 2 to 10R, it is less likely that water is cut off at the boundary portion, and the drainage performance is improved.
FIG. 5 shows another embodiment of a bathroom floor pan according to the present invention.
As shown in FIG. 5, the floor pan 6 has an end on the drainage outlet 5 side of the drainage narrow groove 7 at the floor pan 1.
The floor pan 1 except that it is not shallow gradually as shown in FIG.
It has become the same.

The bathroom floor pan according to the present invention is not limited to the above embodiment. For example, in the above embodiment, the floor pan forms only the washing area, but the bathtub receiving section may be integrated.
In the above embodiment, the joint portion is provided on the floor portion, but the joint portion may not be provided.
In the above embodiment, the three peripheral edges of the drain outlet are adjacent to the floor, but the drain outlet may be provided in the center of the floor pan. In addition, the peripheral shape of the drain port is a square, but it may be a circle or the like.

  Hereinafter, specific examples of the present invention will be described.

(Examples 1-4, Comparative Examples 1-4)
Made of FRP mainly containing unsaturated polyester, glass fiber and inorganic filler, floor area is about 1000
A 1600 mm floor pan was prepared under the conditions shown in Table 1, and the amount of residual water after 60 minutes at the periphery of each drain outlet was examined. The results are shown in Table 1.

From Table 1 above, it can be seen that if the floor pan of the present invention is used, the residual water at the peripheral portion of the drainage port is reduced and the drainage is improved. Moreover, it turns out that drainage property improves more if pear ground processing is given.

It is a top view showing one embodiment of the floor pan for bathrooms concerning the present invention. It is an A section enlarged perspective view of the floor pan of FIG. It is sectional drawing of the drain outlet part of the floor pan of FIG. It is a figure explaining the fine groove part for drainage of the floor pan of FIG. 1, Comprising: The figure (a) is the front view, The figure (b) is the XX sectional drawing of the figure (a). It is a figure explaining the fine groove part for drainage showing other embodiment of the floor pan for bathrooms concerning the present invention, the figure (a) is the front view, and the figure (b) is the figure (a). It is the YY sectional view taken on the line. It is a top view showing an example of the conventional floor pan for bathrooms. It is an expanded sectional view of the drain outlet part of FIG.

Explanation of symbols

1,6 Floor pan 2 Floor 3 Drain port 33 Inner wall surface 5, 7 Drainage narrow groove W Width (drainage narrow groove)
D Maximum depth (thin groove for drainage)

Claims (2)

In the bathroom floor pan where the floor portion has a flow gradient toward the drain port, one end opens at the end of the floor portion, the other end opens at the inner wall surface side of the drain port, and the width is 0.2 mm to 4 mm, and a drainage narrow groove having a maximum depth of 0.3 mm to 2 mm is provided at a ratio of one or more per 100 mm of the peripheral length of the drainage port along the periphery of the drainage port continuous to the floor. A floor pan for the bathroom. The bathroom floor pan according to claim 1, wherein at least the inner wall surface of the drainage narrow groove is a pear ground having irregularities with a depth of 20 µm to 70 µm.

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