JPH1129967A - Waterproof floor pan for bathroom - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a waterproof floor pan for a bathroom, designed to prevent the junction between a floor panel and a floor pan main body from being seen from within the bathroom even if the floor panel is made to cover an opening in the floor pan main body. SOLUTION: A waterproof floor pan 1 has a floor pan main body 10 in which a recessed groove part 120 covered with drainage lids 5, 6 having respective drain inlet parts is formed along the overall outer periphery of a washing space part 12 formed alongside a bathtub mounting part 11, and in which an opening 123 is formed in approximately the overall surface of the washing space part 12 inside the groove part 120. The waterproof floor pan 1 also has a floor panel 20 which is removably mounted on the floor pan main body 10 while covering the opening 123 in the floor pan main body 10 from above in such a way as to seal it and which is placed below the drainage lids 5, 6, with the outer end of the floor pan 20 extending into the groove part 120 of the washing space part 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof floor pan for a bathroom used in a bathroom unit.

[0002]

2. Description of the Related Art Waterproof floor pans in bathroom units are generally
A bathtub mounting part for installing a bathtub and a washing place part forming a washing place are integrally formed, and are installed over the entire installation surface of a bathroom forming space in a building.

For this reason, when installing the bathroom unit, it is not easy to adjust the height of the waterproof floor pan and to connect the drain trap attached to the lower surface side of the waterproof floor pan to the drain pipe on the building side. was there. In addition, after the bathroom unit is installed, there is a problem that it is not easy to inspect the piping arranged on the back side of the waterproof floor pan.

Therefore, the applicant of the present invention has proposed a waterproof floor pan which solves the above-mentioned problem by making it possible to remove almost the entire washing area of the waterproof floor pan (Japanese Patent Laid-Open No. Hei 8-2398).
No. 81).

As shown in FIG. 9, this waterproof floor pan has a floor pan main body 500 having a large opening 501a on the washing area 501 side, and a floor pan main body 500 so that the opening 501a can be opened and closed. The floor panel 510 is attached to the floor pan 510 when the bathroom unit is installed, for example, by removing the floor panel 510 from the floor pan main body 500 side to adjust the height of the waterproof floor pan and connect the drain pipe. We are trying to make it easier.

[0006]

However, in the above conventional waterproof floor pan, the floor panel 510 is connected to the floor pan main body 50.
When it is attached to the floor 0, the joint S between the floor panel 510 and the floor pan main body 500 can be seen from the bathroom, and there is a problem that the exterior of the bathroom is not clear and is not preferable.
Also, in this waterproof floor pan, since the joint S between the floor panel 510 and the floor pan body 500 is exposed, the joint S is stepped on or the object is dropped on the joint S. There is a problem that the floor panel 510 and the floor pan main body 500 are easily separated at the joining portion S, and water leakage or the like easily occurs from the joining portion S.

On the other hand, such waterproof floor pans are generally
It is formed integrally by resin molding, but for example, when changing the size according to the size of the bathroom, it is necessary to remodel expensive molds, and if the type of waterproof floor pan increases, the cost will increase There was a problem.

In view of the above, the present invention provides a bathroom in which the joint between the floor panel and the floor pan body is not visible from the bathroom even when the floor panel covers the opening of the floor pan body. It is intended to provide a waterproof floor pan for use.

Another object of the present invention is to provide a waterproof floor pan for a bathroom which does not need to change the mold for each size of the bathroom even when manufactured by resin molding.

[0010]

According to a first aspect of the present invention, there is provided a concave portion covered with a groove cover having a drainage inflow portion over the entire outer peripheral portion of a washing area formed beside a bathtub mounting portion. A groove is formed, and an opening is formed on substantially the entire surface of the washing area inside the groove, and a wall mounting section for wall panel installation is formed outside the bathtub mounting section and the washing area. The floor bread main body and the opening of the floor bread main body are covered so as to be sealed from above, and the floor bread main body is detachably attached to the floor bread main body, and the outer peripheral end side extends into the groove of the washing area. And a floor panel disposed below the groove lid.

According to the present invention, the height of the waterproof floor pan can be adjusted and the piping work under the waterproof floor pan can be performed by using the large opening formed on the washing area side of the floor bread main body. Since the floor panel that seals the floor pan is detachably attached to the floor pan main body, it is also possible to easily inspect the piping and the like under the waterproof floor pan after the bathroom is formed. In particular, if a drain pipe from a drain trap attached to the lower surface side of the waterproof floor pan is arranged below the opening, piping work and inspection work can be facilitated.

Further, according to the present invention, since the outer peripheral end of the floor panel extends into the drain groove formed on the outer periphery of the washing area of the floor pan body, the floor panel and the floor pan are covered by the groove cover covering the groove. The fitting part with the main body can be hidden.
In addition, since the groove cover is easily attached to and detached from the groove, this does not hinder the removal of the floor panel.

Further, in the present invention, since floor panels can be replaced, various types of floor panels, for example, those having different surface patterns, tiled ones, and heating types having an electric heater inside can be used. By preparing the waterproof floor pan, the type of the waterproof floor pan can be easily changed according to the user's preference.

According to a second aspect of the present invention, in the case of the first aspect, there is provided a fixing device for pressing and fixing the floor panel to the floor pan body side, and fixing of the floor panel. The pressing part of the tool to the floor pan main body side is a supporting part of the groove lid.

In this invention, since the floor panel is mechanically fixed to the floor pan body by the fixing device, the floor panel is sufficiently adhered to the floor pan body side as compared with the case where an adhesive or the like is used. As described above, the floor panel can be fixed by pressure, and the floor panel can be easily attached to and detached from the floor pan body. In this case, since the pressing portion of the floor panel to the floor pan body side by the fixture is covered with the groove cover, the fixture is not seen from the bathroom.

According to a third aspect of the present invention, in the case of the second aspect, a positioning portion is formed outside the pressing portion of the floor panel so as to be in close contact with the side wall on the opening side of the groove. At the same time, the side wall is inclined so as to descend toward the center of the groove.

According to the present invention, the floor panel can be easily positioned with respect to the floor pan main body by engaging the positioning portion of the floor panel with the side wall of the groove of the floor pan main body. By pressing the pressing portion of the floor panel toward the floor pan main body, the positioning portion of the floor panel can be pressed against the side wall of the groove of the floor pan main body, and the floor panel can be pressed at two places, the pressing portion and the positioning portion. Pressure can be applied to the floor pan body.

According to a fourth aspect of the present invention, in the case of the first aspect of the present invention, the drain portion of the floor pan body on the side of the bathtub mounting portion is directly below the drain portion of the floor pan body on the washing area side. Is formed at a position avoiding the drainage pipe construction route from the drain trap attached to the tub to the bathtub mounting part side parallel to the wall mounting part.

According to the present invention, the drainage part on the bathtub placement part side,
Since the position of the connecting pipe connected to the drain trap from this drainage part is shifted from the drainage pipe construction route on the bathtub mounting part side, the drainage pipe must be moved from the bathtub mounting part side to the shortest distance below the waterproof floor pan. Through and can be connected to a drain trap.

According to a fifth aspect of the present invention, in the case of the first aspect, the entire upper surface of the wall mounting portion of the floor pan main body is in contact with the upper surface of the floor panel mounted on the floor pan main body. It is formed flat at a position that is almost flush, and
The wall mounting portion is formed in a size larger than a size required for installing a wall panel so that an outer peripheral portion can be cut off in accordance with a plane size of the bathroom.

According to the present invention, the wall mounting portion of the floor pan body is formed large, and when the plane size of the bathroom changes, the outer peripheral portion of the wall mounting portion is cut off to adjust to the plane size. Can form waterproof floor pan. For this reason, it is not necessary to newly manufacture a waterproof floor pan by resin molding for each plane size of the bathroom. In this case, since the upper surface of the wall mounting portion is formed flat, even if the outer peripheral portion is cut off, no inconvenience occurs in the installation of the wall panel, and the upper surface is substantially flush with the floor panel on the floor pan body. As a result, a part of the wall mounting portion can be sufficiently used as a washing place.

According to a sixth aspect of the present invention, in the case of the fifth aspect, a marking for cutting an outer peripheral portion in accordance with a plane size of the bathroom is provided on an upper surface of the wall mounting portion. That is.

According to the present invention, the outer peripheral portion of the wall mounting portion can be cut off along the marking, and this cutting operation can be performed accurately and easily.

According to a seventh aspect of the present invention, in the case of the fifth aspect, there is provided a positioning tool attached to the upper surface side of the wall mounting portion for positioning the wall panel. .

According to the present invention, even when the upper surface of the wall mounting portion is flat, the positioning panel can be used to accurately and easily position the wall panel on the upper surface.

[0026]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows the appearance of a bathroom using a waterproof floor pan according to an embodiment of the present invention.

In FIG. 1, the bathroom is formed of a bathroom unit which is a prefabricated bathroom, and a bathtub 2 is installed on the lower rear side of the waterproof floor pan 1 and a flat surface is provided on the front (front) side. A washing place A having a rectangular shape is formed. Further, a wall panel 3 is installed on the outer peripheral portion of the waterproof floor pan 1, and an apron 4 is attached to a washing place A side of the bathtub 2. A drain groove is formed all around the outer periphery of the waterproof floor pan 1 on the side of the washing area A, and a grating 5 and a drain cover 6 serving as a groove cover are formed so as to cover the groove. It is placed on the groove.
The grating 5 covers the groove on the side of the bathtub 2, the drain cover 6 covers the grooves on the other three sides, and the grating 5 and the drain cover 6 have drainage inflow portions 5 communicating with the grooves.
a, 6a are formed.

The waterproof floor pan 1 is, as shown in FIG.
Floor pan main body 10, Floor panel 20 that covers working opening 123 (described later) of floor pan main body 10 from above so as to seal the floor pan 20, and fixing device that attaches floor panel 20 to floor pan main body 10 in a detachable manner. 30 (see FIG. 5), a sealing member 40 (see FIG. 5) for sealing a gap between the floor panel 20 and the floor pan main body 10, and a positioning tool 50 for positioning the wall panel 3 on the floor pan main body 10 side. Have been.
The floor pan body 10 and the floor panel 20 are respectively
It is integrally formed by resin molding from a resin material such as FRP.

As shown in FIG. 2, the floor pan main body 10 has a bathtub mounting portion 11 for installing the bathtub 2 on the lower rear side.
Is formed, and a washing area 12 for forming the washing area A is formed on the front side adjacent to the bathtub mounting section 11. In addition, the floor pan body 10 has a wall mounting portion 13 for installing the wall panel 3 on the outer periphery of the bathtub mounting portion 11 and the washing place portion 12 and a bathtub mounting portion 1.
A bank 14 on which the apron 4 is installed is formed one step higher than the washing part 12 at the boundary between the washing part 12 and the washing part 12. Further, ribs 15 for reinforcement are formed at regular intervals on the back side of the floor bread main body 10.

As shown in FIG. 2, a bathtub drainage section 110 is formed at the lowest position on the bank section 14 side so as to partially cut out the bank section 14. The drainage during bathing that has leaked into the bathtub mounting part 11
The water is collected in the bathtub-side drainage section 110.

As shown in FIG. 2 and FIG. 3, a recessed groove 120 is formed in a rectangular frame shape over the entire periphery of the washing area 12 at a position close to the wall mounting section 13 and the bank section 14. ing. The grooves 120 are formed so as to communicate with each other and collect the drainage of the washing area A in the groove 120A on the bank portion 14 side, and to discharge the drainage of the washing area in the groove 120 to the lowest position of the groove 120A. Washing drainage part 121 is formed. Further, in the washing part 12, a support part 122 of the floor panel 20 is formed inside the groove part 120 and on the upper end side of the groove part 120. Further, inside the support part 122, a large working opening 123 is formed. Are formed. A groove cover supporting portion 12 that supports the lower surface side end of the grating 5 or the drainage cover 6 is provided on the upper end side of the groove 120 outside the groove 120 of the washing section 12.
4,125 are formed.

Here, on the back side of the waterproof floor pan 1, FIG.
As shown in the figure, a drain trap 7 is attached immediately below the washing place drain section 121 so as to communicate therewith, and a communication pipe P for communicating the drain trap 7 and the bathtub side drain section 110 is arranged. ing. Also, on the back side of the waterproof floor pan 1, as shown in FIGS.
Grooves 1 on left 13B and right 13C sides of wall mounting portion 13
A pair of reinforcing members 8A is attached to a position closer to 20, and a reinforcing member 8B that connects the reinforcing members 8A is disposed so as to cross the working opening 123 left and right. Support legs 9 whose height can be adjusted are attached to the reinforcing ribs 15 on the left portion 13B side and the right portion 13C side of the wall mounting portion 13 and the reinforcing members 8A and 8B.
In addition, as shown in FIG.
0 also supports the center of the floor panel 20.

[0033] As shown in FIG.
It is a plate-shaped member extending outward in a horizontal state,
a is formed flat and the upper surface 13
As shown in FIG. 4, “a” is substantially flush with the upper surface 21 a of the floor panel 20 mounted on the floor pan main body 10, and is formed so as to extend the washing section 12.
The wall mounting portion 13 is formed to have a size sufficiently larger than the width required for installing the wall panel 3 so that the outer peripheral portion can be cut off according to the plane size of the bathroom. As shown in FIG. 3, a marking M for cutting off the outer peripheral portion is provided on the upper surface of the wall mounting portion 13 excluding the rear portion 13A as shown in FIG. That is, for example, if the outer peripheral portion of the waterproof floor pan 1 is cut off along the 1317 horizontal and vertical lines, the waterproof floor pan 1 can form a bathroom having a plane size of 1300 × 1700 mm.

The floor panel 20 is, as shown in FIG.
Attaching portion 2 attached to floor pan body 10 side over the entire outer peripheral portion of body portion 21 having a flat top surface and a rectangular planar shape.
2 is formed to bend downward,
As shown in FIG. 4, a reinforcing rib 23 is formed on the back side of the main body 21. As shown in FIG. 4, the mounting portion 22 is disposed below the grating 5 and the drainage lid 6, and is pressed by the fixture 30 onto the support portion 122 of the floor pan body 10. And a positioning portion 221 extending from the pressing portion 220 to be in close contact with the side wall 120a of the groove portion 120 on the side of the working opening 123. In this case, the upper surface of the pressing unit 220 superimposed on the supporting unit 122 has the groove lid supporting units 124 and 1.
It is positioned so as to be flush with the upper surface of 25 and also serves to support the grating 5 and the drainage lid 6.

Incidentally, the grating 5 and the drainage lid 6 are shown in FIG.
The upper surface is formed so as to be flush with the upper surface 13a of the wall mounting portion 13, as shown by. As shown in FIG. 4, the drainage inflow portion 6 a of the drainage lid 6 is located between the lower surface side of the drainage lid 6 and the upper surface side of the groove lid support portion 125 and the upper surface side of the pressurizing portion 220 of the floor panel 20. It is formed by providing a gap communicating with the groove 120 side.

As shown in FIG. 5, the fixture 30 includes a screw 31, a washer 32, and a nut 33. Pressing section 220 of floor panel 20 and floor pan body 1
The fixing portion 122 is provided with fixing holes 220a and 122a for inserting the screw 31 at a predetermined pitch, and a nut 33 for screwing the screw 31 is attached around the fixing hole 122a on the back surface side of the supporting portion 122. Have been. The upper part of the fixing hole 220a of the pressing part 220 is formed with a large diameter so that the head of the screw 31 and the washer 32 can be inserted, and the lower surface side of the grating 5 and the drainage lid 6 does not interfere with the screw 31 and the like. It has become. The washer 32 is formed of a resin material or a rubber-based material, and has a sufficient sealing property so that water does not leak around the screw 31.

As shown in FIG. 5, the sealing material 40
Positioning part 221 of floor panel 20 and side wall 1 of groove 120
Sealing tape 41 for the pressurizing portion, which is set between the pressing portions 20a, the positioning portion 221 of the floor panel 20, and the side wall 12 of the groove 120
And a sealing tape 42 for the positioning portion which is provided between Oa, and both are formed of urethane foam tape which is easily deformed. This sealing material 40 is used to fix the mounting portion 22 of the floor panel 20 to the floor pan body 10 by the fixture 30.
By pressing and fixing to the side, the floor panel 2
0 and the gap between the floor pan body 10 is closed.

In this case, the side wall 120a of the groove 120 is
Since the positioning portion 221 of the floor panel 20 is also formed so as to be in close contact with the side wall 120a in parallel to the groove 120, the positioning portion 221 of the floor panel 20 is formed so as to contact the side wall 120a. The positioning unit 221 is sufficiently pressed by the fixing unit 30 pressing the pressing unit 220 of the floor panel 20 toward the support unit 122 of the floor pan main body 10. Note that a hole 41a for the fixture 30 is formed at a predetermined position in the seal tape 41 for the pressing unit.

As shown in FIG. 2, the positioning tool 50 is a metal fitting having an L-shaped cross section. The positioning tool 50 is fixed on the wall mounting portion 13 of the floor pan main body 10 by screws or the like, and is set on the wall mounting portion 13. This is for positioning the wall panel 3. The positioning tool 50 is provided at the position of a support provided on the outer peripheral portion on the rear surface side of the wall panel 3 and serves as a mounting tool for the support. For example, in accordance with the number of wall panels 3, for example,
It is attached to four corners of the wall mounting portion 13 and an intermediate portion between the left portion 13A and the right portion 13B of the wall mounting portion 13. The positioning tool 50 can be attached to any position of the wall mounting portion 13 in accordance with the size of the wall mounting portion 13 after cutting off.

Next, the procedure for installing the bathroom unit around the floor will be described. First, in the factory, when the plane size of the bathroom unit to be installed is determined, a cutting operation around the wall mounting portion 13 of the floor pan main body 10 is performed. This cutting-off operation is performed along the marking M formed on the wall mounting portion 13. Subsequently, the wall mounting unit 13
The positioning tool 50 is mounted thereon, and reinforcing members 8A and 8B are mounted on the back side of the floor bread main body 10 with screws or the like to reinforce the floor bread main body 10. The nut 33 of the fixture 30 is attached to the floor pan body 10 using an adhesive or the like.

Next, at the installation site, the floor bread main body 1
After the drain trap 7 and the support leg 9A are attached to the back side of the support member 0, and the support legs 9B are also attached to the reinforcing members 8A and 8B, the floor pan body 10 is installed on the installation surface in the building. Subsequently, the worker enters the floor pan main body 10 from below through the work opening 123 of the floor pan main body 10, adjusts the support legs 9, and adjusts the level of the floor pan main body 10. A connection operation is performed between the discharge portion 7a of the drain trap 7 protruding toward the work opening 123 and the drain pipe H on the building side.

Next, when the other underfloor work of the floor pan main body 10 is completed, the support tape 122 of the floor pan main body 10 and the positioning part 221 of the floor panel 20 are put on the sealing tape 41 for the pressing part.
After attaching the positioning panel seal tape 42 by bonding or the like, the floor panel 20 is positioned so as to cover the work opening 123 of the floor pan body 10. In this case, the positioning of the fixing hole 220a of the floor panel 20, the fixing hole 122a of the floor pan main body 10, and the hole 41a of the sealing tape 41 for the pressing unit is performed.

Subsequently, the screws 31 of the fixing device 30 are fixed to the fixing holes 220a and 122a of the floor panel 20 and the floor pan main body 10.
Through the nut 33 on the floor pan body 10 side. As a result, the floor panel 20 is
However, the floor pan main body 1 is
0, and the positioning portion 221 is pressed against the side wall 120a of the groove 120 of the floor pan main body 10 via the positioning portion sealing tape 42,
It is attached to the floor pan main body 10 side in a tightly contacted state without any gap. Then, finally, the groove portion 120 is
And the drainage lid 6, the joint S between the floor pan body 10 and the floor panel 20 becomes invisible from the bathroom,
The waterproof floor pan 1 is indistinguishable from the outwardly integral floor pan.

After the installation of the bathroom unit, the drain trap 7 and the drain pipe H
In order to inspect the floor pan 1, after removing the grating 5 and the drain lid 6 from the groove 120 of the waterproof floor pan 1, the screws 31 of the fixture 30 are removed, and the floor panel 20 is attached to the floor pan main body 10.
Remove it from.

As described above, in the waterproof floor pan 1, the floor pan body 10 having the large working opening 123 formed in substantially the entire area of the washing section 12 formed beside the bathtub mounting section 11. And the floor panel 20 and the like, which covers the work opening 123 so as to be sealed from above and is detachably attached to the floor pan main body 10, so that it can be used when installing the bathroom unit, When the drainage pipe H for the bathroom unit is inspected or the like, the work below the waterproof floor pan 1 can be performed using the work opening 123, and the installation work and the check work can be facilitated. In particular, in this embodiment, the discharge portion 7a of the drain trap 7 is connected to the working opening 12a.
Towards the 3 side, the connection between this drain trap 7 and the drain pipe
Since the operation is performed below the work opening 123, connection work of the drainage pipe and the like can be facilitated.

In the waterproof floor pan 1, the main part of the waterproof floor pan 1 is divided into a floor pan body 10 and a floor panel 20, so that the weight per piece can be reduced.
The transportation and handling of the waterproof floor pan 1 can be facilitated.

Further, in the waterproof floor pan 1, since the floor panel 20 can be replaced with the floor pan main body 10, various types of floor panels 20, for example, those having different surface patterns (for example, rock texture patterns) can be used. And those with various specifications (for example, those with tiles, floor heating with electric heaters, and those using shock absorbers) You can easily change the type of waterproof floor pan according to your preference.

In this waterproof floor pan 1, the outer peripheral end (positioning portion 221) of the floor panel 20 attached to the floor pan main body 10 is arranged in the groove 120 of the floor pan main body 10, and the floor panel 20 and the floor pan Since the joint S with the main body 10 is covered with the grating 5 and the drain lid 6, the joint S is not visible from the bathroom, and the waterproof floor pan 1 appears to be formed from an integral body, The appearance can be reduced. In this case, bathers,
Even if the waterproof floor pan 1 is used for a long period of time, water leaks or the like may occur even if the waterproof floor pan 1 is used for a long time, because the waterproof floor pan 1 does not come into contact with the easy-to-separate joining portion S or drop objects on the joining portion S I don't have to.

Further, in this waterproof floor pan 1, the floor panel 20 is fixed to the floor pan
Since the floor panel 20 is mechanically pressurized and fixed, the floor panel 20 can be sufficiently closely adhered to the floor pan main body 10 and fixed, and the floor panel 20 can be attached to and detached from the floor pan main body 10. Can also be easily performed. In this case, since the pressing part 220 of the floor panel 20 pressed by the fixture 30 serves as a supporting part of the grating 5 and the drain lid 6, the pressing part 220 is hidden by the grating 5 and the drain lid 6. Thus, the head of the screw 31 and the like are not seen from the bathroom, and the bathroom can be kept clean in this respect.

In this waterproof floor pan 1, the floor panel 2
Since the mating surface of the floor pan main body 10 and the floor pan body 10 are double-sealed by the sealing tape 41 for the pressing portion and the sealing tape 42 for the positioning portion, the sealing of the mating surface is sufficiently performed. In this case, the positioning portion 221 of the floor panel 20 is formed so as to be in close contact with the side wall 120a of the groove 120 of the floor pan body 10, but the side wall 120a is inclined so as to descend toward the center of the groove 120. Therefore, by pressing the pressing part 220 of the floor panel 20 to the support part 122 side of the floor pan main body 10 by the fixture 30, the positioning part 221 is also pressed to the side wall 120a side of the groove part 120. Also, a sufficient sealing effect can be exerted on the sealing tape 42 for the positioning portion.

Further, in the waterproof floor pan 1, the wall mounting portion 13 of the floor pan main body 10 is formed to have a size sufficiently larger than a size required for installing the wall panel 3, and is adjusted to the flat size of the bathroom. The outer periphery of the lever can be cut off, and the entire upper surface of the wall mounting portion 13 is flat and substantially flush with the upper surface of the floor panel 20 attached to the floor pan body 10. To form
Since a part of the washing place A can be formed on the wall mounting portion 13 as well, one waterproof floor pan can be used for bathrooms of various plane sizes, and different waterproof waterproof pans can be formed by resin molding. There is no need to form the floor pan differently. Therefore, in this waterproof floor pan 1, even if the plane size of the bathroom changes variously, only one type of mold is required, and the manufacturing cost of the waterproof floor pan can be reduced accordingly.

In this case, the bath tub placing portion 1 of the floor pan body 10
Although there is some level difference between the upper surface of the bathtub 1 and the upper surface 13a of the wall mounting portion 13, even if the size of the bathtub 2 is changed according to the plane size of the bathroom, the wall mounting portion 13 will Part 2
a, the wall mounting portion 13 does not hinder installation of the bathtub 2. In a waterproof floor pan used for a bathroom unit for a condominium, since there is almost no step between the upper surface of the washing area and the upper surface of the bathtub placement part, the waterproof floor pan 1 is particularly suitable for a bathroom unit for a condominium. Suitable for.

In the waterproof floor pan 1, the wall mounting portion 1
3. Marking M on the top surface according to the size of the bathroom
, The outer peripheral portion of the wall mounting portion 13 can be easily and accurately cut off.

Further, in the waterproof floor pan 1, since the positioning tool 50 is mounted on the upper surface of the wall mounting portion 13, even if the upper surface of the wall mounting portion 13 is flat, the wall panel 3 is mounted on the wall mounting portion 13. The positioning can be performed accurately and easily with respect to the portion 13.

Further, in the waterproof floor pan 1, as shown in FIG.
Is formed at a position avoiding the drainage pipe construction route P1 from the drainage trap 7 attached directly below the washout drainage section 121 on the washstand section 12 side to the bathtub mounting section 11 side in parallel with the wall mounting section 13. Therefore, when the drainage pipe H is piped to the drain trap 7 through the lower part of the waterproof floor pan 1 on the side of the bathtub mounting part 11, it passes under the waterproof floor pan 1 at the shortest distance (without bending). The drainage pipe construction route P1 can be used, and the construction of the drainage pipe H can be facilitated. That is, in this waterproof floor pan 1, four drainage pipe construction routes P1, P2, P3 parallel to the wall mounting portion 13 through which the drainage pipe H can pass below the waterproof floor pan 1 from the drainage trap 7 at the shortest distance. Using P4, drain pipe H
Can be connected to the drain trap 7.

In this embodiment, the floor bread main body 1
0 is formed so that the bathtub placing part 11 and the washing place part 12 are integrated, but as shown by a chain line in FIG.
0 has a wall mounting portion 13 around the bathtub mounting portion 11, and has a wall mounting portion 13 around the washing basin portion 12.
The same effect can be obtained by forming them from an object and assembling them on site.

In this embodiment, the procedure for installing the bathroom unit around the floor has been described as being divided into work at the factory and work at the site. However, all the work may be performed at the site. Of course.

Further, as shown in FIG.
3 is formed in a normal size, and the floor bread main body 10 is formed.
A second wall mounting portion 13 ′, a second groove 120 ′, and a second supporting portion 122 ′ are formed inside the supporting portion 122, and a boundary J between the supporting portion 122 and the second wall mounting portion 13 ′. Then, the waterproof floor pan 1 may be used for two flat-sized bathrooms by cutting off the wall mounting portion 13, the groove portion 120, and the support portion 122 on the outer peripheral portion side. In this case, since the portions of the grooves 120, 120 'on the side of the bathtub 2 are common, it is necessary to close the recesses of the grooves 120 with a closing member or the like when cutting off the grooves 120 and the like, and the floor panel 20 is also of two sizes. It is necessary to prepare a thing of the size. In addition, in this waterproof floor pan 1, the groove lid support portion 125 for the drain lid 6 is formed in the grooves 120 and 120 '.

Further, in the waterproof floor pan 1, the wall placing portion 1
3 is the upper surface 21 of the floor panel 20 on the floor pan body 10.
8, the upper surface D1 of the door frame D and the upper surface 21a of the floor panel 20, even when the door frame D is installed on the wall mounting portion 13, as shown in FIG. Can be positioned with almost no level difference. In this case, it is better to use a grating 5 having a large number of drainage inflow portions 5a for the groove lid beside the door frame D in order to particularly prevent drainage from flowing to the door frame D side.

[0060]

Since the present invention is configured as described above, it has the following effects.

According to the first aspect of the present invention,
On the entire outer periphery of the washing area formed next to the bathtub mounting part,
A concave groove covered with a groove cover having a drainage inflow portion is formed, and an opening is formed on substantially the entire surface of the washing section inside the groove, and the opening outside the bathtub mounting section and the washing section is formed. A floor pan body in which a wall mounting portion for wall panel installation is formed, and an opening of the floor pan body is covered so as to be sealed from above, and detachably attached to the floor pan body, Since the outer peripheral end has a floor panel that extends into the groove of the washing section and is disposed below the groove lid, even when the floor panel covers the opening of the floor pan body, the floor panel and the floor The fitting part with the bread body can be made invisible from the bathroom, and the appearance of the bathroom can be made clearer, and since the bather does not touch this fitting part, Prevents water leakage from parts It can be.

Of course, according to the present invention, since the opening is formed on substantially the entire surface of the washing area of the floor pan body, installation work and piping work can be facilitated, and
Another advantage is that the specification of the waterproof floor pan can be easily changed by replacing the floor panel.

According to the second aspect of the present invention,
In the case of the invention as set forth in claim 1, a fixing device for pressing and fixing the floor panel to the floor pan body side is provided, and a pressing portion of the floor panel to the floor pan body side by the fixing device is a groove cover. The fixing part makes it easy to attach and remove the floor panel with the fixing device, and also makes the appearance of the bathroom clear because the fixing device can be hidden from the bathroom. it can.

According to the third aspect of the present invention,
In the case of the first aspect of the present invention, a positioning portion that is in close contact with the side wall on the opening side of the groove is formed outside the pressing portion of the floor panel, and the side wall descends toward the center of the groove. With such inclination, the floor panel can be easily attached, and the floor panel can be brought into close contact with the floor pan main body.

According to the fourth aspect of the present invention,
In the case of the invention described in claim 1, the drain portion on the side of the bath tub mounting portion of the floor pan main body is connected to the bath tub parallel to the wall mounting portion from a drain trap attached directly below the drain portion of the floor pan main body on the washing place side. Since the drainage pipe is formed at the position avoiding the drain pipe extraction area toward the receiver, the water distribution pipe can be connected to the drain trap through the shortest distance below the waterproof floor pan below the bathtub receiver. .

According to the fifth aspect of the present invention,
In the case of the invention described in claim 1, the entire upper surface of the wall mounting portion of the floor pan main body is formed to be substantially flush with the upper surface of the floor panel attached to the floor pan main body, and Since the wall mounting portion is formed to have a size larger than the size required for installing the wall panel so that the outer peripheral portion can be cut off according to the plane size of the bathroom, a waterproof floor bread is manufactured by resin molding. Even if
There is no need to prepare a mold for each bathroom size. Therefore, according to the present invention, even if the types of waterproof floor pans increase, it is possible to suppress an increase in the manufacturing cost of the waterproof floor pans.

According to the sixth aspect of the present invention,
In the case of the invention described in claim 5, on the upper surface of the wall mounting portion,
Since the marking for cutting the outer peripheral portion is given according to the plane size of the bathroom, the outer peripheral portion of the wall mounting portion can be cut off accurately and easily.

According to the seventh aspect of the present invention,
In the case of the invention according to claim 5, since the positioning device is provided on the upper surface side of the wall mounting portion to position the wall panel, even if the upper surface of the wall mounting portion is flat,
The wall panel can be accurately and easily positioned on the wall mounting portion.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a bathroom having a waterproof floor pan according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view around a waterproof floor pan of the bathroom shown in FIG. 1;

FIG. 3 is a plan view of a floor bread main body.

FIG. 4 is a cross-sectional view around the groove of the waterproof floor pan of the bathroom shown in FIG. 1;

FIG. 5 is an explanatory view of a fixture and a sealing material of the waterproof floor pan.

FIG. 6 is a view showing a construction route of a drain pipe passing below a waterproof floor pan to a drain trap.

FIG. 7 is a sectional view around a groove of a waterproof floor pan according to a modified embodiment.

FIG. 8 is a diagram showing a cross section around a door frame of a waterproof floor pan when a step at an entrance is eliminated.

FIG. 9 is an explanatory view of a conventional waterproof floor pan.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Waterproof floor pan 3 Wall panel 5 Grating (groove lid) 5a Drainage inflow part 6 Drainage lid (groove lid) 6a Drainage inflow part 7 Drain trap 10 Floor pan main body 11 Bath tub placing part 12 Washing place part 13 Wall placing part 13a Top surface 20 Floor panel 20a Upper surface 30 Fixture 50 Positioning tool 110 Bath tub drainage part (drainage part) 120 Groove part 120a Side wall 121 Washing place drainage part 123 Work opening (opening part) 220 Pressurizing part 221 Positioning part M Marking P1 Drainage pipe construction route

Claims (7)

[Claims] 1. A concave groove covered with a groove cover having a drainage inflow portion is formed on the entire outer peripheral portion of a washing section formed beside a bathtub mounting portion, and the concave portion inside the groove is formed. A floor pan body having an opening formed on substantially the entire surface of the washing section, and a wall mounting section for wall panel installation formed outside the bathtub mounting section and the washing section; And is attached to the floor pan body in a detachable manner, and the outer peripheral end side extends into the groove of the washing section and is disposed below the groove lid. A waterproof floor pan for a bathroom, comprising: 2. A fixing device for pressing and fixing the floor panel to the floor pan main body side, and a pressing portion of the floor panel to the floor pan main body side by the fixing device is provided with the groove. The waterproof floor pan for a bathroom according to claim 1, wherein the pan serves as a support portion for the lid. 3. A positioning portion that is in close contact with a side wall of the floor portion on the opening side is formed outside the pressing portion of the floor panel, and the side wall faces a center portion side of the groove portion. 3. The waterproof floor pan for a bathroom according to claim 2, wherein the pan is inclined downward. 4. The bath tub in parallel with the wall mounting portion from a drain trap attached directly below the drain portion of the floor pan body on the washing area side of the floor pan body. The waterproof floor pan for a bathroom according to claim 1, wherein the pan is formed at a position avoiding the drain pipe construction route toward the mounting portion side. 5. An entire upper surface of the wall mounting portion of the floor pan main body is formed to be substantially flush with an upper surface of the floor panel mounted on the floor pan main body, and
2. The wall mounting portion according to claim 1, wherein the wall mounting portion is formed in a size larger than a size necessary for installing the wall panel so that an outer peripheral portion can be cut off according to a plane size of the bathroom. Waterproof floor pan for bathroom. 6. The waterproof floor pan for a bathroom according to claim 5, wherein a marking for cutting an outer peripheral portion in accordance with a plane size of the bathroom is provided on an upper surface of the wall mounting portion. 7. The waterproof floor pan for a bathroom according to claim 5, further comprising a positioning tool attached to an upper surface of the wall mounting portion to position the wall panel.