JP2000110217A - Floor waterproof pan - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate maintenance, and improve workability. SOLUTION: A bank shaped protruded stripe part 4 is provided between a wash place part 1 and a bathtub installing part 3a to form a cutout part provided so as to cross a part of the wash stripe part 4. A recessed groove 31 is provided so as to reach from a part faced a drain 21 of a bathtub of the bathtub installing part 3a to a wash place part 1a by passing a cutout part 41. An upper surface of the recessed groove 31 is covered by a cover 32 drilled a drainage hole 32a for communicating with the drain 21 of a bathtub 2 and a drainage basin 5a. Further, At least a lower end part of the cutout part 42 is partitioned by a partition 8. When drainage flows in the drainage basin 5a to a level more than a predetermined level, an opening/closing valve 83 of a drainage channel 82 provided on the partition 8 is moved from an opening state to a closing state by buoyancy received from the drainage in the drainage basin 5a, so that the drainage is prevented from flowing in from the drainage basin 5a to the bathtub installing part 3a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a waterproof floor pan.

[0002]

2. Description of the Related Art In the case of a bathroom unit installed on two or more floors of a multi-story house, even if a caulking material or the like at the boundary between the bathtub and the washing place becomes damaged, drainage or the like flows from the washing place side to the lower side of the bathtub. To prevent drainage from leaking downstairs, a floor waterproof pan having a washing area and a bathtub installation section in which a bathtub is installed is used.

As such a floor waterproof pan, Japanese Patent Laid-Open No.
A floor waterproof pan 100 as shown in FIG. 8 and disclosed in 195348 has already been proposed. As shown in FIG. 8, the floor waterproof pan 100 includes a
It has a bathtub installation part 120 in which the bathtub 200 is installed, and between the washing place part 110 and the bathtub installation part 120, a bank-shaped ridge for preventing hot water from entering from the washing place part 110 side to the bathtub installation part 120 side. A unit 130 is provided.

[0004] In the washing area 110, a drainage basin 111 with a trap is provided in a recessed manner. The bathtub setting part 120 is a bathtub 2
A first drainage hole 121 connected to the drainage port 201 of the first water supply port;
A second drainage hole 122 is provided as an outlet for drainage flowing into the bathtub installation section 120. And this floor waterproof pan 1
Reference numeral 00 denotes a structure in which the first drain hole 121, the second drain hole 122, and the drain basin 111 are connected via the pipe 300.

[0005] That is, the floor waterproof pan 100 is provided between the lower end surface of the apron 400 and the ridge 130 or
The caulking material (not shown) filled between the flange portion 202 of the bathtub 200 and the upper end surface of the apron 400 may be damaged, and hot water overflowing from the bathtub 200 or shower water from the washing area may be removed from the apron 400. Between the lower end surface of the tub and the ridge portion 130, or between the flange portion 202 of the bathtub 200 and the apron 40.
Even when the water flows into the bathtub installation section 120 from between the upper end face of the water bath 0 and the bathtub installation section 120, the water is constantly drained from the second drain hole 122 via the pipe 300. Therefore, the bathtub installation section 12
The water does not accumulate at 0 and this water does not rot.

The second drain hole 122 is provided with a float valve 123. When a large amount of hot water or water flows into the pipe 300 from the bathtub 200 or the washing place, the float valve 123 rises and the second drain hole 122 rises. Drain holes 122 are closed,
By preventing the water from flowing back into the bathtub installation section 120 through the second drain hole 122, it is possible to prevent the wastewater mixed with dirt from flowing into the bathtub installation section 120 and to make the bathtub installation section 120 unclean. I have.

However, in the case of the floor waterproof pan 100, the hot water or water in the bathtub 200 is drained to the drainage basin 111 via the pipe 300, so that the bathtub 200
The connection work of the piping 300 after installation is troublesome. Also,
A packing member is required for each connection portion of the pipe 300,
High cost. In addition, the work must be performed from the back side of the floor waterproof pan 100, so that the workability is extremely poor, the construction accuracy of the watertight part is required, and the piping work requires skill. Further, there is a problem that the float valve 123 cannot be visually recognized from the outside from the washing section 110 side, and it is difficult to maintain and manage the float valve 123.

[0008]

SUMMARY OF THE INVENTION In view of such circumstances, the present invention can reduce the work of connecting pipes,
The purpose is to provide a floor waterproof pan that allows easy maintenance of the valve section.

[0009]

According to the present invention, there is provided a floor waterproofing pan according to the present invention, which comprises
A bathtub installation section in which a bathtub is installed, and a ridge-shaped ridge for preventing hot water from entering from the washing section side to the bathtub installation section is provided between the washing section section and the bathtub installation section. In the floor waterproof pan, a notch provided so as to cross a part of the ridge and a part extending from a part of the washing area to a lower part of the notch are provided, and the bottom thereof is provided with a bathtub. Drainage basin located below the bottom of the drainage basin, and a bathtub drainage channel having one end open to the side wall of the drainage basin, and a drainage outlet of a bathtub installed in the bathtub installation section being watertight from the bottom of the drainage basin. When,
At least at the lower end of the cutout, a partition is provided to partition between the drainage basin and the bathtub installation part, and the partition is open for drainage of the bathtub installation part so as to communicate the drainage basin and the bathtub installation part. The mouth and the drainage port for this bathtub installation part can be opened and closed freely, and when drainage flows into the drainage basin to a predetermined level or more, the buoyancy received from the drainage in the drainage basin moves from the open state to the closed state. And an open / close valve.

[0010] In the floor waterproof pan of the present invention, it is preferable that the on-off valve is detachably provided at a position visible from the washing area side.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below.
This will be described in detail with reference to the drawings. 1 to 4 show an embodiment of a floor waterproof pan according to the present invention.

As shown in FIG. 1, this floor waterproof pan A is
It has a washing section 1 and a bathtub installation section 3a in which the bathtub 2 is installed, and between the washing section 1 and the bathtub installation section 3a, the entry of hot water from the washing section 1 side to the bathtub installation section 3a side is prevented. A ridge-shaped ridge 4 is provided, and a lower end of a wall construction member such as a wall panel (not shown) or an entrance door frame (not shown) is provided around the washing area 1 and the bathtub installation section 3a. The receiving part 14 is standing up. Ridge 4
Is provided with a notch 41 so as to cross a part thereof.

The washing section 1 is provided with a drain groove 11 having a grating lid 12 so as to extend along the ridge 4. The grating lid 12 is substantially flush with the washing floor 13 in a state where the grating lid 12 covers the drain groove 11.

A drainage basin 5a is provided in a portion facing the cutout portion 41, which is the lowest portion of the drainage groove 11. The drainage basin 5 a has a bottom 51 provided at a position lower than the bottom of the bathtub installation part 3 a, and a part thereof reaches the lower part of the notch 41.

The drain basin 5a has a trap 52 inside.
Is provided, and the drainage in the drainage basin 5a is trapped 52
Further, the water is drained to the outside of the floor waterproof pan A through a drain hole 53 formed in the side wall surface of the drainage basin 5a on the side of the washing place 1. Drain port 21 of bathtub 2 of bathtub setting part 3a
A groove 31 communicating with the drainage basin 5a is provided in a portion facing the surface.

The upper surface of the groove 31 is covered with a lid 32 so as to form a bathtub drainage channel 34.
That is, the lid 32 is provided with a drain hole 33 for communicating the drain port 21 of the bathtub 2 with the concave groove 31, and fits into the paragraph 35 provided on the peripheral edge of the concave groove 31 to cover the concave groove 31. In addition, a bent portion 32a is provided at an end on the drain basin 5a side so as to enter the drain basin 5a.

The drain hole 33 is provided at the drain port 21 of the bathtub 2.
The rubber packing 33a is provided with a tubular rubber packing 33a for receiving the water, and the rubber packing 33a is brought into water-tight contact with the outer peripheral wall surface of the drain port 21 only by installing the bathtub 2 at a predetermined installation position of the bathtub installation section 3a. Therefore, the hot water and washing water in the bathtub 2 are discharged from the drain port 21.
Flows into the drainage basin 5a through the bathtub drainage channel 34 formed by the groove 31 and the groove lid 32, and the drainage discharged from the drain 21 is drained by the drain hole 33 and the drain 21. Is prevented from flowing back to the bathtub installation part 3a side through the connection part with the tub. In the floor waterproof pan A, a notch 41 is provided in the notch 41 so as to form a gap 42 at an upper end of the notch 41 so as to partition the washing area 1 and the bathtub installation section 3a.

The partition 8 has two side walls 41a of the notch 41,
Frame parts 81, 81 respectively fixed to 41a,
An opening / closing valve 83 for opening and closing a bathtub installation section drainage port 82 formed between the two frame sections 81, 81 is provided. That is, each frame portion 81 includes a substrate portion 81a and a valve receiving portion 81.
b and a bearing portion 81c.

The substrate portion 81a is fixed to both side walls 41a, 41a of the cutout portion 41 such that the lower end is inclined by 5 ° toward the bathtub installation portion 3a. The valve receiving portion 81b projects from the substrate portion 81a in parallel with the longitudinal edge of the substrate portion 81a, and receives the edge of the on-off valve 83 when the on-off valve 83 described later is closed.

The bearing portion 81c is provided on the valve receiving portion 8 of the substrate portion 81a.
1b, it is provided along the valve receiving portion 81b on the side of the bathtub installation portion 3a. The protruding height is lower than the valve receiving portion 81b, and one end of a bearing groove 81d is opened on the upper surface thereof. The on-off valve 83 is provided so that a shaft 83a projects on both sides of the upper end portion.
b is provided integrally on the surface on the side of the bathtub installation part 3a,
The bearing groove 81d is slid into the bearing groove 81d of the corresponding bearing portion 81c from the upper opening of the bearing groove 81d.
It is pivotally supported by 1d.

The open / close valve 83 pivotally supported by the bearing groove 81d becomes substantially vertical by its own weight when the float 83b does not receive buoyancy, as indicated by a chain line in FIG. When the water discharge port 82 is opened and the water level of the water flowing into the drainage basin 5a becomes higher than the reference position, as shown by the solid line in FIG. 2, the buoyancy of the float 83b turns to the bathtub installation part 3a side. The two side edges are received by the valve receiving portion 81b, and the lower end edge is
Abuts the bent portion 32a of the tub, and the drain port 8
2 is to be closed.

In FIG. 1, 25 is an apron,
It is fitted between the flange 23 of the bathtub 2 and the ridge 4,
The bathtub setting section 3a is hidden from the washing section 1 side.

As described above, in this floor waterproof pan A, the plug (not shown) of the bathtub 2 is removed, the remaining hot water in the bathtub 2 is drained from the drain port 21 or the hot water in the bathtub 2 is discharged to the washing area 1 side. When the water overflows and the hot water or the like suddenly flows into the drain ditch 11 and the water level in the drainage basin 5a exceeds a certain level, the on-off valve 83 is set to the float
Due to the buoyancy of the bathtub, the two side edges are received by the valve receiving portion 81b, and the lower edges contact the bent portion 32a of the lid 32 for the concave portion, and the drain port 82 for the bathtub installing portion is formed. To close.

Further, since the gap 42 is formed in the upper part of the partition 8, if the water level on the washing section 1 side rises too much, hot water or water flows from the gap 42 into the bathtub installation section 3a side. When the water level on the drainage recess 6 side drops, the hot water or water flowing into the bathtub installation part 3a side returns the open / close valve 83 to its original state by its own weight, and the bathtub installation part drainage port 82 is opened. Then, the water flows into the drainage basin 5a from the bathtub installation section drainage port 82, and is discharged out of the bathroom through the trap 52 and the drainage hole 53. Therefore, drainage does not accumulate in the bathtub installation section 3a.

As described above, the floor waterproof pan A can drain hot water or water that has entered the bathtub installation section 3a to the drain basin 5a side without using piping.
The piping connection work can be reduced, and the number of necessary packing members and the like can be reduced, so that the cost can be reduced.

Further, since the on-off valve 83 is provided at a position visible from the washing area 1, the movement of the on-off valve 83 can be easily observed. Moreover, the on-off valve 83
Simply inserts the shaft 83a into the bearing groove 81d from the opening provided on the upper surface of the bearing portion 81c, so that the frame 83
b can be attached and detached from the washing section 1 side, and maintenance is easy. Further, if the on-off valve 83 is removed, a hose or the like can be inserted through the drain port 82 for the bathtub installation section of the partition 8, and the bathtub installation section 3a can be easily cleaned, and the bathtub installation section 3a can be kept clean. it can.

In addition, since the floor waterproof pan A has a gap 42 provided above the partition 8, when the water level rises to a level higher than the partition 8, hot water or water is supplied from the gap 42 to the bathtub installation section 3a.
Flows into. Therefore, bathroom entrance (not shown)
In order to reduce the level difference between the floor and the floor of the washing section 1, even if the rising edge of the periphery of the floor waterproof pan A for receiving the door frame of the bathroom entrance is lowered, hot water or water flows out of the bathroom from the bathroom entrance. Can be prevented.

Further, since the bathtub drain passage 34 extending from the bathtub 2 and the bathtub installation section 3a to the drainage basin 5a is formed by the concave groove 32 and the lid 33, it is necessary to assemble a pipe for draining the bathtub 2. And excellent in workability.

FIG. 6 shows a second embodiment of the floor waterproof pan according to the present invention.
Of the present embodiment. As shown in FIG. 6, the floor waterproofing pan B is the floor waterproofing pan B of the first embodiment except that the structure of the partition 9 and the structure of the bathtub drainage channel are different, as described in detail below. It has the same structure as bread A.

That is, the floor waterproof pan B is
In place of the bathtub drainage flow path 34 composed of the groove 32 and the groove cover 32, one end is opened on the side wall surface of the drainage basin 5b,
A drain pipe 37 having the other end connected to the drain port 21 of the bathtub 2 via a hole 36 provided on the bottom surface of the bathtub installation part 3b forms a bathtub drainage flow path. In addition, the partition 9
As shown in FIGS. 6 and 7, a partition main body 91 and two floats 92 are provided.

The partition body 91 has a U-shaped cross section, with the U-shaped opening side facing the bathtub installation part 3b side, and both end faces are water-tightly bonded to both side faces of the notch 41, respectively. The lower side portion 91a of the U-shape is water-tightly adhered and fixed to the end surface of the bathtub installation portion 3b such that its upper end surface is flush with the upper surface of the bathtub installation portion 3b. Further, holes 91b, 91b serving as drainage ports for the bathtub installation portion are formed in the lower side portion 91a on the lower side of the U-shape.

On the other hand, each float 92 is
2a, and a shaft 93 that supports the float main body 92a so as to be vertically movable. The shaft 93 is formed by a cut bolt, and its upper end is screwed to the upper side portion 91c of the U-shape so that its lower end passes through the center of the holes 91b and 91b and faces the inside of the drainage basin 5b. Fixed.

The shaft 93 has a lower end to which a nut 93a serving as a receiving portion of the float main body 92a is screwed. The float main body 92a includes a cylindrical portion 92b having a smaller diameter than the hole 91b and a conical plug 92c connected to the cylindrical portion 92b and having a bottom portion larger than the hole 91b. Shaft 93 from below
Nut 93a which is loosely fitted to the lower end of the shaft 93 and is screwed to the lower end of the shaft 93.
This prevents a downward drop.

When the water level of the drainage in the drainage basin 5b is equal to or lower than a predetermined value, the float 92a is received by the nut 93a, as shown by a chain line in FIG. There is a gap between the bathtub installation part 3b and the drainage basin 5b in a communicating state, and when the water level of the drainage of the drainage basin 5b rises, as shown by a solid line in FIG. 92a rises along the axis 93 by buoyancy, and the upper end of the plug 92c is
The hole 91b is fitted in the hole 1b to seal the hole 91b in a watertight state.

In FIG. 6, those having the same structure as the floor waterproof pan A are given the same numbers as the floor waterproof pan A.

As described above, this floor waterproof pan B can drain hot water or water that has entered the bathtub installation section 3b to the drainage basin 5b side, without using piping, as in the floor waterproof pan A described above. So that piping connection work can be reduced,
Moreover, the number of necessary packing members and the like is small, and the cost can be reduced. Further, the float main body 92a can be easily replaced or cleaned by unfastening the nut 93a, and the maintenance and management are easy.

The floor waterproof pan according to the present invention is not limited to the above embodiment. For example, the above floor waterproof pan A
In the embodiment, the frame 83b is formed separately from the ridge 4. However, the frame 83b may be integrally formed with the ridge 4. Further, instead of the frame 83b, a frame having an opening serving as a drain port may be provided at the center. Each of the floor waterproof pans A and B has a drain 11
Is provided along the ridge portion 4, but may be provided along the wall surface on the washstand side.

[0038]

Since the floor waterproof pan according to the present invention is constructed as described above, the work of connecting the pipes can be reduced and the maintenance of the valve portion can be easily performed. In particular, according to the second aspect, the replacement of the on-off valve and the cleaning of the bathtub installation portion are facilitated, and the maintenance of the valve portion is more excellent.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a floor waterproof pan according to the present invention.

2 is a cross-sectional view of the floor waterproof pan of FIG. 1 in a bathtub installation state.

FIG. 3 is a perspective view of a main part of a cutout portion of the waterproof floor pan of FIG. 1;

FIG. 4 is an exploded perspective view of FIG.

FIG. 5 is a perspective view illustrating a state in which an open / close valve of the floor waterproof pan in FIG. 1 is attached.

FIG. 6 is a sectional view showing another embodiment of the floor waterproof pan according to the present invention, in which the bathtub is installed.

FIG. 7 is a perspective view of a partition of the floor waterproof pan of FIG. 6;

FIG. 8 is a sectional view of a conventional floor waterproof pan.

[Explanation of symbols]

 A, B Floor waterproof pan 1 Washing area 2 Bath tub 21 Drain port (Drain port of bath tub 2) 3a, 3b Bath tub installation section 4 Ridge 41 Cutout 5a, 5b Drain basin 8, 9 Partition 82 Drain port 83 Open / close valve

Claims (2)

[Claims] 1. A levee having a washing section and a bathtub installation section in which a bathtub is installed, and between the washing section section and the bathtub installation section, a dike for preventing water from entering from the washing section section side to the bathtub installation section side. In a floor waterproof pan provided with a protruding ridge portion, a notch portion provided so as to cross a part of the ridge portion, and a recess extending from a portion of the washing area to a lower portion of the notch portion. A drain basin whose bottom is located below the bottom of the bathtub installation section, and one end opening to the side wall of the drainage basin, and the drain port of the bathtub installed in the bathtub installation section is watertight from the bottom of the drainage basin. A drainage flow path for a bathtub connected to a notch, at least at a lower end of the notch, a partition for partitioning between the drainage basin and the bathtub installation part, and this partition comprises the drainage basin and the bathtub installation part. A drain port for the bathtub installation section that opens to allow communication, and a drain port for the bathtub installation section A drain valve that is openable and closable and moves from an open state to a closed state by buoyancy received from the drainage in the drainage basin when drainage flows into the drainage basin to a predetermined level or more. And floor waterproof pan. 2. The floor waterproof pan according to claim 1, wherein the on-off valve is detachably provided at a position visible from the washing area side.