JP2001295340A - Waterproof floor pan - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a waterproof floor pan which facilitates installation thereof, and can undergo repairing work or the like in a short time and at a low cost even if problems such as imperfect pipe arrangement arises after installation thereof. SOLUTION: In the waterproof floor pan including a washing-place portion and a bathtub receiving portion, the bathtub receiving portion is comprised of a bathtub receiving main body and a cover. The bathtub receiving main body functions to receive a bathtub from below, and has a work opening which is large enough to form a gap into which at least an arm of an operator can be inserted, around pipes which are inserted from an underfloor space onto the side of a bathroom, and a cover which covers the work opening. The cover is formed of a cover frame portion and a cover main body. The cover frame portion has a pipe introducing port formed in a ceiling surface thereof, into which at least the pipes can be inserted, and the pipe introducing port is smaller than the work opening. The periphery of the cover frame portion is fixed to the periphery of the work opening. The cover main body covers the pipe introducing port and has pipe insertion holes bored therein.

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 A waterproof floor pan of a bathroom unit has a washing part and a bathtub receiving part formed integrally, or a washing part and a bathtub receiving part are separately formed and assembled at the time of construction. Some have become waterproof floor pans. In any case, these waterproof floor pans are usually provided with a predetermined amount of water from the foundation floor through a support or a suspension base on the foundation floor in order to secure piping space for drainage piping and water supply / hot water supply piping. It is to be laid at the height position.

[0005] As shown in FIG. 5, a pipe 100 for water supply / hot water supply laid between the base floor and a floor 100 rises from a pipe inlet 210 formed in a waterproof floor pan 200 on the floor. It is designed to be connected to a water faucet, hot water faucet, etc. in the bathroom. Further, the pipe inlet 210 is connected to the pipe 10.
0 is drilled to the minimum necessary size that can be introduced,
Piping insertion hole 221 into which only each pipe can be inserted after pipe introduction
, And a gap between the pipe insertion hole 221 and the pipe 100 is sealed by a caulking material or the like (not shown).

[0004] However, the above conventional waterproof floor pan is
If there is not enough work space under the floor, such as on the second floor, once the floor pan is constructed so that it can be received by concrete block or metal pipe posts erected on the dirt or foundation, Piping work under the waterproof floor pan and floor pan level adjustment are not possible at all. Therefore,
Prior to the construction of the waterproof floor pan, it is necessary to surely perform the plumbing work and the level adjustment of the columns, and there is a problem that skill is required for the construction. In addition, after the bathroom unit is completely installed, if a defect occurs in the piping section under the bathroom floor,
Unless all of the wall panels and the like are removed, repair of the piping section cannot be performed, and there is a problem that repair and the like require a great deal of cost and time.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and is easy to construct. Even if problems such as poor piping under the floor occur after construction, repair work can be performed in a short time and at low cost. It is an object of the present invention to provide a waterproof floor pan capable of performing such operations.

[0006]

In order to achieve the above object, a waterproof floor pan according to the first aspect of the present invention (hereinafter referred to as a "waterproof floor pan of the first aspect") is provided in a washing place. In a waterproof floor pan including a section and a bathtub receiving section, the bathtub receiving section receives the bathtub from below, and at least a worker's arm can be inserted around the pipe in a state where a pipe from the floor below to the bathroom side is inserted. A bathtub receiving portion main body having a working opening having a size in which a large gap is formed, and a lid covering the working opening, wherein the lid is capable of inserting at least a pipe through a ceiling surface thereof, and is provided with a cover. A lid frame portion in which a small pipe inlet is drilled and the periphery of which is fixed to the periphery of the working opening,
A cover main body portion that covers the pipe inlet and has a pipe insertion hole formed therein is provided.

The waterproof floor pan according to the invention of claim 2 of the present invention (hereinafter referred to as "waterproof floor pan of claim 2") is the waterproof floor pan of claim 1, wherein the lid main body has a pipe insertion hole. A sealing member that covers a pipe introduction port made of a rubber elastic body having a hole in a water-tight manner, and a sealing member in a state where a peripheral portion of the sealing member is sandwiched between a peripheral portion of the pipe introduction port of the lid frame portion. A fixing frame member that is fixed to the lid frame portion in a watertight manner is provided.

[0008] The waterproof floor pan according to the invention of claim 3 of the present invention (hereinafter referred to as "waterproof floor pan of claim 3" is the waterproof floor pan of claim 1 or 2) Was formed separately.

[0009]

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 waterproof floor pan according to the present invention.

As shown in FIGS. 1 and 3, this waterproof floor pan 1 is a washing pan member 2 which is formed separately by compression molding and serves as a washing area, and a bathtub receiving section.
Bath tub pan member 3 arranged in connection with the washing pan member 2
And As shown in FIG. 1, the washing pan member 2 is located at the center in the longitudinal direction along the connecting portion with the bathtub pan member 3.
A drain hole 21 is provided.

As shown in FIG. 1, a bathtub pan member 3 has a dish-shaped main body 31 which receives a bathtub (not shown) from below.
And two types of lids 4 and 5. The main body 31 has a rectangular concave portion 32 at the center where the lower end of the bathtub fits,
Working openings 34 are respectively formed in extending portions 33 provided so as to extend outward from both ends in the longitudinal direction of the concave portion 32.

As shown in FIG. 2, the working opening 34 is provided at a position facing the pipe 6 rising from the floor below when the bathtub pan member 3 is laid. Even when the pipe 6 is inserted, the working opening 34 is provided around the pipe 6. The gap 8 is formed such that a worker can insert at least an arm from above the bathtub pan member 3. In addition, the recess 32 is connected to a drain pipe (not shown) under the floor, and is connected to the recess 32 from the bathtub.
A drain port 32a is provided for discharging drain water discharged into the sewage system through a drain pipe.

The cover 4 includes a cover frame 41 and a cover main body 42. The lid frame portion 41 is provided with a pipe introduction port 41a, which is smaller than the work opening 34, and through which a pipe rising from the floor below can be inserted.

The lid body 42 includes a seal member 43 and a fixed frame member 44. The seal member 43 is formed of a rubber elastic body in the shape of the peripheral edge of the pipe inlet 41a, and includes four cylindrical portions 43a that serve as pipe insertion holes at positions facing the rising pipes 6.

The cylindrical portion 43a has a bellows shape and is easily bent back and forth and right and left, and a base (stopper) 43b capable of expanding and contracting the diameter is mounted on the upper end thereof. The fixed frame member 44 includes a pipe inlet 41a.
At the center, a hole 44a having a size substantially the same as that of the screw 45 is provided with the peripheral edge of the seal member 43 sandwiched between the hole 44a and the peripheral edge of the pipe inlet 41a of the lid frame 41, as shown in FIG.
And is fixed to the main body 31 through the seal member 43.

In FIGS. 3 and 4, reference numeral 35 denotes a leg having a height adjusting mechanism 35a integrally provided on the bottom of the main body 31.

The waterproof floor pan 1 is constructed as described above, and is usually constructed as follows. As shown in FIG. 3, first, the gantry 7 is placed on the foundation FL in advance, and after adjusting the level of the gantry 7, the worker descends on the foundation FL and places the washing pan member 2 on the installation part. Install.

An operator adjusts the level of the washing pan member 2 from the bathtub receiving portion side, or connects a drain pipe (not shown) to the drain hole 21 of the washing pan member 2. The main body 31 is set at the installation position so that the pipe 6 rising from the floor below faces the inside of one working opening 34 of the main body 31 and the leg 35 is placed on the placing stand 7 as shown in FIG.

The operator places the arm 35 under the floor through the working openings 34, 34, places the leg 35 on the gantry 5 with an adhesive or the like, and adjusts the height of the leg 35 to the bathtub pan member 3. Perform level adjustment. In addition, a drain pipe is connected to the drain port 32a.

The unused working opening 34 is covered with the lid 5.
The work opening 34 through which the pipe 6 is passed is closed by the lid 4. That is, the lid 4 is first placed on the peripheral edge of the working opening 34 with the peripheral edge of the lid frame 41 in a state where the pipe 6 faces the pipe inlet 41 a, and is screwed to the main body 31 with screws (not shown). Fixed. Next, after the seal member 43 is placed on the lid frame portion 41 in a state where each pipe 6 is inserted into the pipe insertion hole 44a, the fixed frame member 44 is mounted.
Is placed on the seal member 43. Then, as shown in the figure, the sealing member 43 is fixed to the main body 31 through the sealing member 43 via the screw 45 with the peripheral edge of the sealing member 43 sandwiched between the lid frame 41 and the peripheral edge of the pipe inlet 41a. It has become so.

The base 43 b is tightened to bring the inner peripheral surface of the pipe insertion hole 44 a into water-tight contact with the outer peripheral surface of the pipe 6.

Although not shown on the waterproof floor pan 1 installed on the placing stand 7 in this way, a bathtub, a wall panel, a door frame, a ceiling panel and the like are assembled and constructed by a known method. The bathroom unit is to be completed.

As described above, the waterproof floor pan 1 is formed by connecting the washing pan member 2 and the bath pan member 3 to assemble them. If it is set at a predetermined installation position, the level adjustment on the washing pan member 2 side is inserted from the installation side of the bath tub pan member 3 in an open state to the lower side of the washing pan member 2 by inserting a hand or body. The level adjustment of the member 3 and the connection of a drain pipe or the like to the bathtub pan member can be easily performed. Further, the bathtub pan member 3 includes a main body 31.
Is provided with a working opening 34, so that even when the main body 31 is installed in the installation portion, the work such as level adjustment and piping of the bathtub pan member 3 can be easily performed through the working opening 34. .

Moreover, since the working opening 34 of the main body 31 is provided on the side of the bathtub pan member 3 which is invisible to the bather, the appearance in the bathroom is good.

In addition, even if a failure occurs in the piping under the floor after the construction, if the bathtub is removed from the bathtub pan member 3 and the lids 4 and 5 are opened to open the working opening 34, this situation can be solved. Repair work or the like can be performed via the work opening 34. That is, repair work can be easily performed without removing a wall panel, a ceiling panel, and the like as in the related art. Furthermore, since the sealing member 43 of the lid 4 is formed of a rubber elastic body, it can be adjusted even if the pitch of the pipe 6 is slightly shifted. Moreover, the adjustment is easier because the cylindrical portion 43a has a bellows shape.

The waterproof floor pan according to the present invention is not limited to the above embodiment. For example, in the above embodiment, the bathtub receiver and the washing part were formed separately,
It may be formed integrally. Further, in the above-described embodiment, the bathtub pan member 3 is placed on the placing stand 7, but may be placed on a block or a hanging stand.

[0027]

Since the waterproof floor pan according to the present invention is constructed as described above, it is easy to construct, and even if a problem such as poor piping under the floor occurs after the construction, it can be performed in a short time and at low cost. Can be used for repair work.

In particular, according to the waterproof floor pan of the second aspect, it is possible to adjust even if the pitch of the piping is shifted.
Further, according to the waterproof floor pan of the third aspect, it is possible to more easily install the washing pan member or the bathtub pan member on the installation portion.

[Brief description of the drawings]

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

FIG. 2 is a perspective view of a main part of a bathtub pan member of the waterproof floor pan of FIG. 1;

FIG. 3 is a side view of the waterproof floor pan of FIG. 1 in a construction state.

FIG. 4 is a cross-sectional view of the pipe introducing section of FIG.

FIG. 5 is a perspective view illustrating a pipe introduction portion of a conventional waterproof floor pan.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Waterproof floor bread 2 Washing pan member (washing part) 3 Bathtub pan member (bathtub receiving part) 34 Working opening 4 Lid 41 Lid frame part 42 Lid body part 43 Sealing member 43a Tube part (pipe insertion hole) 44 Fixed frame member 8 gap

Claims (3)

[Claims] 1. A waterproof floor pan having a washing section and a bathtub receiving section, wherein the bathtub receiving section receives the bathtub from below and inserts a pipe from the underfloor side to the bathroom side, and at least works around the bathtub. A bathtub receiving portion main body having a working opening having a size in which a gap into which a person's arm can be inserted is formed, and a lid covering the working opening, and this lid can be inserted at least with a pipe through a ceiling surface thereof. A lid frame portion in which a pipe introduction port smaller than the work opening is drilled and the periphery of which is fixed to the periphery of the work opening, and a lid body portion in which a pipe insertion hole is drilled while covering the pipe introduction port. A waterproof floor pan comprising: 2. A sealing member, wherein the lid body portion covers a pipe introduction port made of a rubber elastic body having a pipe insertion hole formed therein in a watertight manner,
2. The fixing frame member according to claim 1, further comprising a fixing frame member for fixing the sealing member to the lid frame portion in a state where the peripheral edge portion of the sealing member is sandwiched between the peripheral edge portion of the pipe inlet of the lid frame portion. Waterproof floor bread. 3. The waterproof floor pan according to claim 1, wherein the washing part and the bathtub receiving part are formed separately.