JP6366125B2 - Bathroom unit - Google Patents

Description

  The present invention relates to a bathtub waterproofing pan for bathtub mounting, a bathtub and a wall panel mounted on the bathtub waterproofing pan, and a bathroom unit including an apron.

  Conventionally, as a bathtub installation method of a bathroom unit, a wall panel is placed on the outer edge of a shallow bathtub waterproof pan for placing a bathtub, and the washbasin side of the bathtub is placed on the inner peripheral surface of the placed wall panel. There is known a method of placing a bathtub on a bathtub waterproof pan by bringing the flanges on the other three sides into contact with each other.

Moreover, as another bathtub installation method of a bathroom unit, by placing a wall panel on the flanges on the three sides excluding the washroom side of the bathtub, and joining the bathtub, the wall panel, the apron, and the washbasin in a watertight manner, There is known an installation method that does not use a bathtub waterproofing pan for bath mounting.
However, when installing a bathroom unit on the second floor or higher of an apartment house or a detached house, a method of installing a bathtub enclosing pan so as to cover the outer periphery of the bathtub is known as a measure to prevent water leakage from the bathtub and the water stop. Yes.

JP 2009-209604 A JP 2008-169600 A

In the structure using the bathtub waterproof pan in the bathroom unit, as shown in FIG. 1 described in Patent Document 1, the bathtub waterproof pan and the wall panel are watertightly constructed, and the bathtub is installed after the wall panel is assembled, thereby preventing new water leakage. There is no need to take measures, and the bathtub can be replaced relatively easily from its installation structure, and an advantageous configuration can be provided when the bathtub is replaced by rehome or the like.
However, in the structure of FIG. 1 described in Patent Document 1, a long wall panel that extends below the bathtub waterproof pan and the bathtub flange must be used even in an installation location that does not require measures against water leakage in the bathtub. Therefore, the cost cannot be reduced.

  Moreover, in the structure using a bathtub enclosure pan in a bathroom unit, since the bathtub enclosure pan is larger than the bathtub as shown in FIG. 5 described in Patent Document 1, the mold cost and the member cost for producing the bathtub enclosure pan are increased. The cost of water leakage countermeasures is expensive. Therefore, as shown in FIG. 21 described in Patent Document 2 as a cost reduction method, a method of dividing the bathtub waterproof pan and the surrounding wall to suppress the cost increase has been disclosed. In the case of using a split-type bathtub enclosure pan, it is not possible to expect a significant cost reduction because the number of parts for fixing the bathtub enclosure wall to the bathtub waterproof pan increases.

The present invention has been made in view of the above-described conventional problems, and provides a bathroom unit capable of diverting a shallow bathtub waterproof pan of a bathroom unit using a bathtub waterproof pan to a split bathtub enclosure pan. With the goal.
Another object of the present invention is to provide a bathroom unit equipped with a split-type bathtub enclosure pan that does not require water-stopping packing and mechanical fixing, by using an engaging member provided with a water-stopping member in the bathtub waterproof pan. And

The present invention has the following configuration as means for solving the above problems.
(1) This invention is installed along the flange part of 3 sides except the bathtub waterproofing pan for bathtub mounting, the bathtub mounted in the said bathtub waterproofing pan, and the wash basin waterproofing pan side of the said bathtub. Between a wall panel, an apron provided between the bathtub and the waterproofing pan of the wash basin, a back surface of the bathtub flange portion on the three sides excluding the wash basin waterproof pan side of the bathtub and three outer edges of the bathtub waterproof pan a bathtub enclosure wall and, in the bathroom unit which is formed is placed, a resin of lower engagement member for engaging the lower end of the outer three sides over the tub waterproof pan the tub surrounding wall, the A resin-made upper engagement member that engages the back surface of the bathtub flange portion on the three sides excluding the wash basin waterproof pan side of the bathtub and the upper end of the bathtub enclosure wall is provided,
A convex part that fits into the outer edge concave part of the bathtub waterproof pan is formed at the bottom part of the lower engaging member, and a groove that fits the lower end part of the bathtub surrounding wall is formed at the upper part of the lower engaging member,
A groove that fits the upper end of the bathtub enclosure wall is formed at the bottom of the upper engagement member, and a locking portion that engages an outer edge of the flange portion of the bathtub is formed at the top of the upper engagement member.
A resin water-stop member integrally provided at at least one of the portions in contact with the bathtub waterproofing pan at the bathtub side end of the lower engagement member, and integrally within the groove of the lower engagement member And at least one water-stopping member made of resin, and at least one water-stopping member made of resin integrally provided in the groove of the upper engagement member. To do.

(2) In the bathroom unit according to the destination, the lower engaging member includes a convex portion to be fitted to the outer edge recesses of the tub waterproof pan, standing on portion than the inside of the tub waterproof pan at the convex portion An inner locking piece and an outer locking piece erected on the convex portion from the outside of the bathtub waterproof pan, and the bathtub enclosure wall between the inner locking piece and the outer locking piece. The structure in which the groove | channel which fits the lower end part of this was formed is employable.
(3) In the bathroom unit according to (1) or (2), a pair of locking pieces in which the upper engaging member forms a groove for fitting the upper end of the bathtub enclosure wall at the lower end thereof, and these An extending piece extending above the locking piece, and a locking portion of a fixing clip portion that is provided at an upper end portion of the extending piece and engages with an outer edge of the flange portion of the bathtub. piece is engaged with the upper portion of the tub surrounding wall from the rim engaging portion of the fixing clip portion provided at its upper end is extended outwardly upward is formed in the flange portion outer edge of the bathtub unit, It is possible to adopt a configuration in which a waterproof seal is interposed between the upper end of the extending piece and the upper end of the rim, and the lower end of the wall panel of the bathroom unit is disposed inside the rim.
(4) In the bathroom unit according to any one of (1) to (3), a plurality of bathtub legs protrude from the bottom of the bathtub, and the bathtub legs are installed in a state where the bathtub is installed in the bathtub waterproof pan. The structure by which the recessed part for bathtub leg fitting which fits the said bathtub leg in the bottom wall part of the bathtub waterproofing pan to be formed was employ | adopted.

According to the bathroom unit according to the present invention, the bathtub waterproof pan for bath mounting, the bathtub enclosure wall, the lower engagement member, and the upper engagement member are divided into the bathroom unit that does not use the bathtub waterproof pan. It is possible to divert the bathtub waterproofing pan for bath mounting to the bathtub enclosure pan for water leakage prevention, and it can be used as a common bathtub waterproofing pan for bath mounting even if the bathtub installation method of the bathroom unit is different By doing so, it is possible to reduce mold costs and material prices, improve productivity, and reduce management work.
In addition, a waterproofing pan for bathing, a bathtub enclosure wall, a lower engagement member, and an upper engagement member are not mechanically fixed and can be installed by fitting. It is possible to install a waterproof bathtub as a bathtub enclosure.

By fitting the convex portion of the lower engagement member into the outer edge concave portion of the bathtub waterproof pan, the lower engagement member can be coupled to the bathtub waterproof pan without using metal fittings such as screws and screws. Therefore, an inexpensive joint structure can be provided for the joint portion between the bathtub waterproof pan and the lower engagement member.
A fitting such as a screw or a screw is used by fitting the upper end of the bathtub enclosure wall into the groove at the bottom of the upper engaging member and providing a locking portion that engages the outer edge of the bathtub flange at the upper portion of the upper engaging member. The upper engaging member can be coupled to the bathtub and the bathtub enclosure wall without the need. Therefore, an inexpensive joining structure can be provided for the joining portion of the bathtub and the bathtub surrounding wall and the upper engaging member.

The lower engagement member and the upper engagement member include a water stop member at a position of the lower engagement member in contact with the bathtub waterproof pan, a water stop member inside the groove into which the bathtub enclosure wall is inserted, and a bathtub of the upper engagement member. By providing a water stop member inside the groove into which the enclosure wall is inserted, it is not necessary to add a water stop packing, and water leaks from the engagement area of the bathtub enclosure wall, the lower engagement member, and the upper engagement member. Prevention can be achieved.
In addition, it is difficult to cause misalignment of the bathtub by fitting a plurality of bathtub legs provided in the bottom of the bathtub into a recess provided in the bottom wall portion of the bathtub waterproof pan, and it is difficult to cause misalignment of the bathtub. It is possible to provide a configuration in which it is difficult to transmit an impact to the bathtub enclosure wall around the bathtub even if the action occurs.

The perspective view which shows the completion state of 1st Embodiment of the bathroom unit which concerns on this invention. The perspective view which shows the state which isolate | separated the lower engagement member, the bathtub surrounding wall, the upper engagement member, and the bathtub in the 1st Embodiment. FIG. 2 is a partial cross-sectional view taken along line A1-A2 shown in FIG. The fragmentary sectional view which follows the B1-B2 line | wire shown in FIG. The perspective view which shows the completion state of the reference form of the bathroom unit which concerns on this invention. The perspective view which shows the state which isolate | separated each structural member in the reference form. The fragmentary sectional view which follows the C1-C2 line | wire shown in FIG. The fragmentary sectional view which follows the D1-D2 line | wire shown in FIG.

“First Embodiment”
Hereinafter, the details of the present invention will be described with reference to embodiments of the present invention.
1 and 2 are perspective views showing a first embodiment of a bathroom unit according to the present invention.
The bathroom unit U of the present embodiment includes a wash basin waterproof pan 1, a bathtub waterproof pan 2, a lower engagement member 3 installed above the bathtub waterproof pan 2, a bathtub enclosure wall 4, and an upper engagement member. 5, a bathtub 6, a bathtub apron 7, a wall panel 8 disposed around the bathtub 6, and a wall panel 9.
The wash basin waterproof pan 1 is formed in a rectangular shape in plan view, and a drain outlet 1 a is formed at the center of one long side of the wash basin waterproof pan 1.
The bathtub waterproof pan 2 is formed in a shallow shape having a rectangular shape in plan view, and is installed horizontally adjacent to the edge 1b on the drain outlet forming side of the wash basin waterproof pan 1. The bathtub 6 is installed to do so.

The bathtub waterproof pan 2 includes a bottom wall 2A having a rectangular shape in plan view, and a short side wall 2B standing on three sides of the bottom wall 2A excluding the wash basin waterproof pan 1 side.
A groove-shaped outer edge recess 2c is formed on the entire length of the upper end surface of the side wall 2B, and a U-shaped frame-like lower engagement member 3 fitted and fixed to the outer edge recess 2c is provided on the side wall 2B. . A U-shaped groove 3b is formed on the upper surface side of the lower engaging member 3 over its entire length, and a U-shaped bathtub in plan view that is fitted and fixed on the U-shaped groove 3b on the lower engaging member 3. An enclosure wall 4 is provided.
On top of the bathtub enclosure wall 4, an upper engagement is provided with a U-shaped groove 5a for fitting the upper end portion of the bathtub enclosure wall 4 on the lower end side and a fixing clip 5D for fitting the upper end flange portion of the bathtub 6 on the upper end side. A member 5 is provided.

A bathtub 6 is placed on the bathtub waterproof pan 2. The bathtub 6 is composed of a narrowed bathtub body 6a and a flange portion 6b that is formed to extend horizontally on the periphery of the upper surface opening of the bathtub body 6a.
In the flange portion 6b of the bathtub 6, a rim portion 6c that rises upward from the leading edge of the flange portion 6b is formed on the three sides excluding the wash basin waterproofing pan 1 side. In addition, a plurality of protruding bathtub legs 6e are formed at predetermined intervals on the bottom surface 6d of the bottom wall 6d of the bathtub body 6a.

The recessed part 2a for fitting and fixing the bathtub leg 6e in the position where the bathtub leg 6e is installed in the bathtub waterproof pan 2 in the state which aligned and installed the bathtub 6 on the bathtub waterproof bread 2 is formed. Moreover, the leg fixing fitting 2b is fitted into the lower end of the bathtub leg 6e, and the bathtub leg 6e is held by fitting the leg fixing fitting 2b into the recess 2a. By fitting and fixing the bathtub leg 6e, it is possible to limit the movement and displacement of the bathtub 6 to the minimum, and a structure that can minimize the load and impact applied from the bathroom inner surface side to the bathtub enclosure wall 4 side. Become.
With the structure in which the bathtub leg 6e is fitted and fixed, the lower engaging member 3, the bathtub surrounding wall 4 and the upper engaging member 5 which are attached to the bathtub waterproof pan 2 do not require mechanical fixing such as screws and screws. Since the parts can be fixed by fitting, the number of parts can be reduced, thereby improving the assemblability and reducing the cost.

FIG. 3 is a sectional view taken along line A1-A2 of FIG.
As shown in FIG. 3, the lower end portion of the plate-like bathtub enclosure wall 4 is fitted to the outer edge concave portion 2 c formed at the upper end portion of the side wall 2 </ b> B of the bathtub waterproof pan 2 via the lower engagement member 3. As will be described later, the bathtub waterproof pan 2 of the present embodiment is made of a resin-made integrally molded product, and an inverted L-shaped skirt-like extending wall 2D is formed at the upper end of the side wall 2B as shown in the sectional structure of FIG. Is formed. A U-shaped (channel-shaped) receiving portion 2F is formed at the upper end portion of the extending wall 2D and at the joint portion with the side wall 2B, and an outer edge concave portion 2c is formed on the inner surface of the receiving portion 2F.

  The lower engaging member 3 has a downward hollow convex portion 3A that fits into the outer edge concave portion 2c of the bathtub waterproof pan 2, and is upward from one end portion in the width direction of the convex portion 3A in the fitted state to the outer edge concave portion 2c. And an outer locking piece 3C extending upward from the other end in the width direction of the convex portion 3A. The inner locking piece 3B is formed at a portion from the inside of the bathtub waterproof pan 2 at the convex portion 3A, and the outer locking piece 3C is formed at a portion from the outside of the bathtub waterproof pan 2 at the convex portion 3A. A U-shaped groove 3b is formed between the outer locking piece 3C and the outer locking piece 3C so as to open upward and reach the lower side of the downward convex portion 3A.

At the boundary portion between the inner locking piece 3B and the convex portion 3A, the convex portion 3A is fitted into the outer edge concave portion 2c, and the side wall upper end portion of the bathtub waterproof pan 2 (the upper right end portion 2g of the receiving portion 2F in FIG. 3). The extension piece 3D to be adhered is formed, and the upper end portion of the side wall of the bathtub waterproof pan 2 (see FIG. 5) with the convex portion 3A fitted to the outer edge concave portion 2c at the boundary portion between the outer locking piece 3C and the convex portion 3A. An extension piece 3E to be attached to the upper left end 2h) of the third receiving portion 2F is formed.
The outer locking piece 3C is formed at a substantially right angle to the extending portion 3F at the distal end of the extending portion 3F formed so as to protrude slightly from the widthwise end of the downward convex portion 3A toward the inner locking piece 3B. Yes. The inner locking piece 3B is formed substantially in parallel with the outer locking piece 3C. However, the inner locking piece 3B has two upper and lower soft resin locking fins on the inner surface side (outer locking piece 3C side). (Locking member) 3a is formed. A thick portion 3d is formed from the base of the inner locking piece 3B to the bottom side of the U-shaped groove 3b inside the U-shaped groove 3b, and the groove width is narrowed on the bottom side of the U-shaped groove 3b. The lower end portion of the bathtub enclosure wall 4 having a thickness equivalent to the groove width is fitted into the narrowed portion of the groove width.

  Therefore, in the state where the lower end of the bathtub enclosure wall 4 is fitted to the bottom of the U-shaped groove 3b, a slight gap is generated between the side surface of the bathtub enclosure wall 4 and the inner surface of the inner locking piece 3B. Since the water stop fins 3a and 3a extend and close the gap, the watertightness between the bathtub enclosure wall 4 and the lower engaging member 3 is improved. In addition, in order to make it easy to see the state of the water stop fins 3a and 3a in the cross section shown in FIG. 3, the position of the water stop fins 3a and 3a in a state where the bathtub enclosure wall 4 is not fitted is shown. In a state in which the bathtub enclosure wall 4 is fitted in the U-shaped groove 3b, the water stop fins 3a and 3a are sandwiched by a gap between the bathtub enclosure wall 4 and the inner locking piece 3B and extend downward.

Further, a water stop fin (water stop member) 3g made of a soft resin that extends obliquely downward is also formed on the distal end side of the extension piece 3D, and the protrusion 3A is fitted into the outer edge recess 2c to extend. When the piece 3D is placed along the upper end portion of the side wall 2B, the water stop fin 3g comes into contact with the upper end portion of the side wall 2B to increase the water tightness between the extending piece 3D and the side wall 2B. In FIG. 3, the water stop fin 3g is also shown as not in contact with the upper end of the side wall 2B. However, when the extension piece 3D is actually placed on the side wall 2B, the water stop fin 3g is It is applied along the upper end.
By providing these water stop fins 3a and 3g, only the operation of fitting the lower engagement member 3 to the bathtub waterproof pan 2 and fitting the bathtub enclosure wall 4 to the lower engagement member 3 can be fixed and fixed. Since the watertightness can be ensured, the bathtub enclosure wall 4 is not required to have a complicated shape, and cost can be reduced by reducing the investment cost of the mold and adopting a general-purpose plate material.

4 is a cross-sectional view taken along line B1-B2 of FIG.
As shown in FIG. 4, an upper engagement member 5 is provided on the upper end side of the bathtub enclosure wall 4. The upper engaging member 5 has locking pieces 5A and 5B for forming a U-shaped groove 5a for engaging the upper end portion of the bathtub enclosure wall 4 at the lower end portion, and the rim portion 6c of the bathtub 6 at the upper end portion. A fixing clip portion 5D for engaging the upper end portion is provided.

  In the upper engagement member 5, a thick portion 5b is formed on the inner surface upper side of the locking piece 5A, and the groove width of the U-shaped groove 5a is narrowed. The upper end of is fitted. Further, two water-stopping fins (water-stopping members) 5d are formed vertically on the inner surface side of the locking piece 5A, and these water-stopping fins 5d are formed on the bathtub enclosure wall 4 fitted in the U-shaped groove 5a. It is pressed. 4 shows the position of the water stop fin 5d in a state where the bathtub enclosure wall 4 is not fitted in the U-shaped groove 5a in order to make the state of the water stop fin 5d easier to see. However, in the state in which the bathtub enclosure wall 4 is fitted in the U-shaped groove 5a, the water stop fins 5d and 5d are sandwiched in the gap between the bathtub enclosure wall 4 and the locking piece 5A and extend upward. The watertightness between the wall 4 and the lower end of the upper engaging member 5 is enhanced.

An extension piece 5C is formed on the upper engagement member 5 above the positions where the locking pieces 5A and 5B are formed so as to extend outwardly in an L-shape, and the upper end outer portion of the extension piece 5C. Further, an inverted L-shaped fixing clip 5D is engaged so as to surround the upper end portion of the rim portion 6c of the bathtub 6 at the portion of the upper locking portion (folded portion) 5e. A water stop packing (water stop member) 5F is interposed between the upper end portion of the rim portion 6c and the upper end portion of the extending piece 5C so as to be sandwiched between them.
As shown in FIG. 4, in the bathtub 6, the lower end part of the wall panel 8 which comprises the wall part of the bathroom unit U is arrange | positioned inside the rim | limb part 6c.

  In the bathroom unit U of the present embodiment, as shown in FIGS. 1 and 2, two wall panels 8 are arranged along the rim portion 6 c on the back side of the bathtub 6, and the rim portion 6 c on the right side surface side of the bathtub 6. One piece is arranged along. Moreover, the wall panel 9 shown in FIG. 1 and FIG. 2 is a wall panel arrange | positioned so that the wall panel 8 may be adjoined on the right side surface side of the wash-room floor pan 1. FIG. Further, below the wash basin waterproof pan 1 and the bathtub waterproof pan 2, a necessary number of telescopic support legs 20 whose heights can be adjusted are provided at necessary positions. Each of the bathtub waterproof pans 2 is installed horizontally on a floor material of a building such as a floor slab.

With the above-described structure, the upper engagement member 5 is provided with a U-shaped groove 5a in the direction of the bathtub waterproof pan 2 (downward), and the upper end side of the bathtub enclosure wall 4 is inserted into the U-shaped groove 5a. Since at least one or more water stop fins 5d are provided inside the U-shaped groove 5a, the upper side of the bathtub enclosure wall 4 can be fixed in a watertight manner.
Further, the upper engagement member 5 is provided with an extended piece 5C extending upward, and the extended piece 5c is attached to the outer peripheral surface of the flange portion 6b of the bathtub 6 via a water-stopping packing 5F. The flange fixing clip 5D is fixed to surround the bathtub.
In this embodiment, the water stop packing 5F is used and the outer peripheral surface of the bathtub and the upper engagement member 5 are fixed in a watertight manner, but the upper engagement member 5 is provided with a water-stopping soft member or a water stop fin separately. There is no problem even if the rim portion 6c of the flange portion 6b is fixed by the fixing clip 5D.

The bathtub waterproof pan 2 is preferably made of waterproof and strong fiber reinforced plastic (FRP). However, in the case where the bathtub load is supported by a reinforcing base installed under the bathtub waterproof pan 2, ABS resin (acrylonitrile) is used. , Butadiene, styrene copolymer synthetic resin), and thermoplastic resins such as polypropylene are not problematic. The bathtub waterproof pan 2 is integrally formed from these resins.
The lower engaging member 3, the bathtub surrounding wall 4 and the upper engaging member 5 do not require a large bending strength. In this embodiment, a thermoplastic resin such as ABS / polypropylene is used to perform extrusion molding and Molded with injection molded products.
If the bathtub surrounding wall 4 can be self-supporting, there is no problem even with a molded product of a soft material such as EPDM (ethylene propylene rubber) or elastomer.

"Reference form"
5 and 6 show the bathtub waterproof pan 2 according to the first embodiment, which is the structure of FIG. 1 described in Patent Document 1, with respect to the bathroom unit that watertightly configures the bathtub waterproof pan 2 and the wall panel 10. It is a figure which shows the reference form which shows that it can divert.
In the structure of the reference form shown in FIGS. 5 and 6, the bathroom unit V is attached to the outer peripheral recessed portion 2 c other than the wash basin waterproof pan 1, the bathtub waterproof pan 2, and the wash basin waterproof pan 1 side of the bathtub waterproof pan 2. Wall panels 10 and 11 having wall frame fixtures 10a and 10b and a bathtub 12 are provided.
The bathroom unit V includes wall frames 10c and 10d attached to the wall frame fixtures 10a and 10b, a wall panel 10 placed on the outer edge recess 2c of the bathtub waterproof pan 2, and an outer edge recess 1c of the wash basin waterproof pan 1. The wall panel 11 placed on the wall, the bathtub 12 placed on the inner surface side of the wall panel 10 with the flanges 12b on the side of the wash basin pan placed in contact, and the wash basin pan side of the tub 12 It is comprised with the bathtub apron 13 installed in the opening part.

7 is a cross-sectional view taken along line C1-C2 of FIG. 5 for showing an assembled state of the outer peripheral flange portion 12b of the bathtub 12. As shown in FIG. The bathtub 12 is locked to the wall panel 10 by receiving the skirt portion 12c formed by hanging from the outer edge of the outer peripheral flange portion 12b with the support fitting 15 screwed to the wall panel 10.
FIG. 8 is a cross-sectional view taken along the line D1-D2 of FIG. 5 for illustrating the mounting structure of the wall panel 10 mounted on the bathtub waterproof pan 2.

In this reference embodiment, the same bathtub waterproof pan 2 as that of the first embodiment is used, and provided on three sides other than the wash basin side of the bathtub waterproof pan 2 used for fitting with the lower engaging member 3. Since the lower end portion 10a of the wall panel 10 is placed and connected to the outer edge concave portion 2c, it is possible to provide the bathroom unit V that can be easily replaced even after the bathtub 12 is assembled.
It is also possible to employ a structure in which the wall panel 10 is directly installed on the waterproof pan 2 without using an engaging member. Both the structure of the embodiment provided with the above-described enclosure structure using the engaging members 3 and 5 and the structure in which the wall panel is directly installed on the bathtub waterproof pan 2 without using the engaging members 3 and 5. The same bathtub waterproof pan 2 can be diverted.

  DESCRIPTION OF SYMBOLS 1 ... Wash basin waterproof pan, 1a ... Drain outlet, 1b ... Drain port formation side edge part, 1c ... Outer edge recessed part, 2 ... Bath tub waterproof pan, 2A ... Bottom wall, 2B ... Side wall, 2D ..Skirt-like extending wall, 2F ... U-shaped receiving part, 2a ... recess for fitting bath leg, 2b ... fitting material for fixing leg, 2c ... outer edge recessed part, 2g ... upper right end of receiving part 2h: upper left end of receiving portion, 3 ... lower engaging member, 3A ... convex portion, 3B ... inner locking piece, 3C ... outer locking piece, 3D ... extension piece, 3E ... Extension piece, 3F ... Extension part, 3a ... Water stop member (water stop fin), 3b ... U-shaped groove, 3d ... Thick part, 3g ... Water stop member (water stop fin) 4 ... Bath wall, 5 ... Upper engaging member, 5a ... U-shaped groove, 5A, 5B ... Locking piece, 5C ... Extension piece, 5D ... Fixed clip, 5b ... Thick part, 5d ... Stopping Water member (stop water fin), 5 ... Locking part (folded part), 5F ... Water-stop packing, 6 ... Bathtub, 6a ... Bath body, 6b ... Flange part, 6c ... Rim part, 6d ... Bottom wall, 6e ... Bath leg , 7 ... Bathtub apron, 8, 9 ... Wall panel, 10, 11 ... Wall panel, 10a, 10b ... Wall frame fixture, 10c, 10d ... Wall frame, 12 ... Bathtub, 12b ... Flange, 13 ... Bathtub apron.

Claims (4)

Bathtub waterproof pan for bathtub mounting, bathtub mounted on the bathtub waterproof pan, wall panel installed along the flanges on three sides excluding the wash basin waterproof pan side of the bathtub, the bathtub, An apron provided between the wash basin waterproof pan, and a bathtub enclosure wall installed between the back surface of the bathtub flange portion on the three sides excluding the wash basin waterproof pan side of the bathtub and the three outer edges of the bathtub waterproof pan And a resin-made lower engagement member that engages the upper part of the three outer edges of the bathtub waterproof pan and the lower end of the bathtub enclosure wall, and the wash basin waterproof pan of the bathtub. A resin-made upper engagement member that engages the back surface of the bathtub flange portion on the three sides excluding the side and the upper end of the bathtub enclosure wall is provided,
A convex part that fits into the outer edge concave part of the bathtub waterproof pan is formed at the bottom part of the lower engaging member, and a groove that fits the lower end part of the bathtub surrounding wall is formed at the upper part of the lower engaging member,
A groove that fits the upper end of the bathtub enclosure wall is formed at the bottom of the upper engagement member, and a locking portion that engages an outer edge of the flange portion of the bathtub is formed at the top of the upper engagement member.
A resin water-stop member integrally provided at at least one of the portions in contact with the bathtub waterproofing pan at the bathtub side end of the lower engagement member, and integrally within the groove of the lower engagement member And at least one water-stopping member made of resin, and at least one water-stopping member made of resin integrally provided in the groove of the upper engagement member. Bathroom unit. In the bathroom unit according to claim 1, wherein the lower engaging member includes a convex portion to be fitted to the outer edge recesses of the tub waterproof pan, standing on the part of from the inside of the tub waterproof pan at the convex portion An inner locking piece and an outer locking piece erected on the convex portion from the outside of the bathtub waterproof pan, and the bathtub enclosure wall is provided between the inner locking piece and the outer locking piece. A bathroom unit in which a groove for fitting the lower end portion is formed. The bathroom unit according to any one of claims 1 to 2, wherein the upper engaging member has a pair of locking pieces forming a groove for fitting the upper end of the bathtub enclosure wall at the lower end thereof, and these An extending piece extending above the locking piece, and a locking portion of a fixing clip portion that is provided at an upper end portion of the extending piece and engages with an outer edge of the flange portion of the bathtub. piece is engaged with the upper portion of the tub surrounding wall from the rim engaging portion of the fixing clip portion provided at its upper end is extended outwardly upward is formed in the flange portion outer edge of the bathtub unit, A bathroom unit characterized in that a waterproof seal is interposed between the upper end of the extended piece and the upper end of the rim, and the lower end of the wall panel of the bathroom unit is disposed inside the rim.   The bathroom unit according to any one of claims 1 to 3, wherein a plurality of bathtub legs protrude from the bottom of the bathtub, and the bathtub legs are installed in a state where the bathtub is installed in the bathtub waterproof pan. A bathroom unit, wherein a recess for fitting the bathtub leg is formed in the bottom wall portion of the pan.

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