JP4939348B2 - Bathroom with waterproof pan on the bathtub side and washing area - Google Patents

Description

  The present invention relates to a bathroom structure that prevents water from entering the inner bottom surface of a bathtub-side waterproof pan on which a bathtub is placed.

  In the bathroom, a waterproof pan in which the bathtub-side waterproof pan and the washing-side waterproof pan are integrally formed or connected, a bathtub placed on the bathtub-side waterproof pan, an apron detachably provided between the bathtub and the waterproof pan, and a bathtub There is a type provided with a wall panel that is placed and raised on the side edge of the side waterproof pan (Patent Document 1). The bathtub-side waterproof pan is provided with a drainage part on the back side of the bottom, draining water that has entered the gap between the wall panel and the bathtub or between the wall panel and the apron and turned to the bottom of the waterproof pan, and the drainage of the bathtub It is intended to do.

And in the drainage part of a bathtub side waterproofing pan, there also exists what provides the backflow apparatus which has a float which prevents the backflow to the bathtub side waterproofing pan side at the time of drainage of a bathtub (patent document 2).
JP 2001-146778 A JP-A-3-260230

  However, since the drainage part of the bathtub-side waterproof pan performs both drainage of water that has turned to the inner bottom surface of the bathtub-side waterproof pan and drainage of the bathtub, the structure becomes complicated. Also, when installing a backflow device, it is necessary to regularly maintain the backflow device, and a maintenance space is provided between the bathtub side waterproof pan and the bathtub so that the aprons can be removed and maintenance work can be performed from the washing area. Must be ensured, and the structure becomes more complicated.

  In order to solve the above problems, the present invention aims to provide a bathroom having a structure in which water is not turned to the inner bottom surface of a bathtub-side waterproof pan.

In order to make the structure which does not turn water to the inner bottom face of the bathtub-side waterproof pan, the means adopted by the present invention according to claim 1 is a waterproof pan in which the bathtub-side waterproof pan and the washing-side waterproof pan are integrally formed or connected, In a bathroom provided with a bathtub placed on a bathtub-side waterproof pan and an apron detachably provided between the bathtub and the waterproof pan, the bathtub-side waterproof pan has a recessed portion on which the bottom side of the bathtub is placed, A protruding portion is formed that protrudes from the upper edge of the standing wall portion and is higher than the floor surface of the washing area and lower than the upper edge portion of the bathtub opening, and the gap between the upper edge side of the standing wall portion and the bathtub is sealed with a sealing material. It is a bathroom provided with a waterproof pan on the bathtub side and the washing place side, characterized in that the upper surface side of the sealing material and the overhanging portion and the washing place side of the washing place side waterproof pan are communicated by an upper drainage channel.
In the present invention, the water that has entered the bathtub-side waterproof pan and turned to the overhanging portion is discharged to the washing station side through the upper drainage channel without entering the recessed portion that is watertightly sealed with the sealing material. .

The means adopted by the present invention according to claim 2 in order to prevent the overhanging portion from remaining water is that the overhanging portion has a drainage gradient toward the washing area and forms a gap between the apron and the lower side of the apron. And it is the bathroom provided with the waterproof pan of the bathtub side and the washing place side of Claim 1 which used this clearance gap as the said upper drainage channel.
In this invention, the water which permeated and turned to the overhang | projection part is reliably discharged | emitted to the washroom side via an upper drainage channel.

The means adopted by the present invention according to claim 3 in order to prevent the overhanging portion from remaining water, the overhanging portion is provided with a drainage gradient, and the underwater side of the drainage gradient and the washing ground side of the waterproof pan for the washing ground, It is the bathroom provided with the waterproof pan of the bathtub side and the washroom side of Claim 1 connected by the drain pipe which forms the said upper drainage channel.
In this invention, the water which permeated and turned to the overhang | projection part is reliably discharged | emitted to the wash floor surface side.

In order to make the structure which does not turn water to the inner bottom face of the bathtub-side waterproof pan, the means adopted by the present invention according to claim 4 is a waterproof pan in which the bathtub-side waterproof pan and the washing-side waterproof pan are integrally formed or connected, In a bathroom provided with a bathtub placed on a bathtub-side waterproof pan and an apron detachably provided between the bathtub and the waterproof pan, the bathtub-side waterproof pan has a recessed portion on which the bottom side of the bathtub is placed, A three-sided wall panel mounting part that protrudes from the upper edge of the standing wall part excluding the washing area side is formed, and the three-way wall panel is set up on the three-way wall panel mounting part, and the three-way wall panel and the recessed wall The gap between the outer four-round annular surface area formed from the upper edge side of the washing area and the inner four-circular annular surface area formed from the standing wall of the bathtub is higher than the washing floor and lower than the upper edge of the bathtub opening. Sealed with a sealing material in a watertight manner A bathroom with waterproof pan bathtub side and washing place side which, characterized in that the washing area side of the washing area side waterproof pan communicating with the upper drainage channel with.
In the present invention, water that has entered from the gap between the wall panel and the bathtub and has reached the upper surface of the sealing material is discharged to the washing station side through the upper drainage channel without entering the recess of the bathtub-side waterproof pan. .

  The bathroom provided with the waterproof pan on the bathtub side and the washing place side according to the present invention according to claims 1 and 4 is configured to consider only drainage of the bathtub on the bottom side of the bathtub side waterproof pan because drainage of the bathtub side waterproof pan is unnecessary. What is necessary is just to do and can simplify the structure of the drainage part of a bathtub side waterproofing pan.

  The bathroom provided with the waterproof pan on the bathtub side and the washing place side according to the present invention as claimed in claim 2 and 3 reliably discharges the water that has entered and turned to the overhanging part to the washing place side, and the remaining water in the overhanging part I will not let you.

  A bathroom (hereinafter referred to as “the bathroom of the present invention”) provided with a waterproof pan on the bathtub side and the washing place side according to the present invention will be described based on an embodiment shown in the drawings.

(First embodiment)
FIGS. 1 to 5 show a first embodiment of the bathroom of the present invention, and FIG. 1 is a plan view showing a part of the upper surface of the bathtub broken and omitting the left and right middle parts, FIG. Fig. 3 is a plan view showing the left and right middle parts omitted with the bathtub and apron removed, Fig. 3 is a front view taken along line AA in Fig. 1, and Fig. 4 is a front view taken along line BB in Fig. 1. FIG. 5 is a front view showing another aspect of the overhanging portion of the bathtub-side waterproof pan. In the following description, “left” refers to the bathtub side, and “right” refers to the washroom side.

  As shown in FIGS. 1 to 4, the bathroom 1 of the present invention includes a waterproof pan 2 in which a bathtub-side waterproof pan 3 and a washing-side waterproof pan 4 are integrally molded or connected, and a bathtub 5 placed on the bathtub-side waterproof pan 3, The apron 6 detachably provided between the bathtub 5 and the waterproof pan 2 and the three sides (in this example, the front side, the rear side, and the left side) of the bathtub side waterproof pan 3 except for the washing area side Three standing wall panels 7, 7, 7 and two standing (rear side / right side in this example) wall panel 7 placed on three side edges excluding the bathtub side of the wash basin side waterproof pan 4 , 7 and the other (front side in this example) door 8.

  The bathtub 5 is formed of a synthetic resin material (for example, FRP), a metal material (for example, stainless steel) or the like, and projects a bowl-shaped opening upper edge portion 5b from the upper edge of the four-walled standing wall portion 5a, and the bottom back surface A short tubular drain pipe 5c protrudes from the bottom.

  The waterproof pan 2 is composed of a bathtub-side waterproof pan 3 and a washing-side waterproof pan 4 which are separately formed of a synthetic resin material (for example, FRP) or a metal material (for example, stainless steel), and are joined with bolts and nuts. There are cases where they are integrated by connecting them (not shown) and cases where the bathtub-side waterproof pan 3 and the washing-side waterproof pan 4 are formed integrally (in the case of illustration). Either one is selected based on the carry-in conditions and the like.

  The bathtub-side waterproof pan 3 is formed with a recess 3a in which the bottom side of the bathtub 5 is fitted and placed, and an annular protruding portion 3c protruding from each upper edge of the four-walled standing wall 3b of the recess 3a. The height of the overhang 3c is higher than the washing floor 4a and lower than the opening upper edge 5b of the bathtub 5, and the height of the bottom 3d of the recess 3a is lower than the washing floor 4a. The side edge portions on the three sides (in this example, the front side, the rear side, and the left side) of the overhanging portion 3c are used as the wall panel placement portion 3c-1. Each of the three wall panel placement portions 3c-1 has a height position lower than that of the opening upper edge portion 5b of the bathtub 5, and the opening upper edge portion 5b of the bathtub 5 approaches the wall panel 7 that is built up and raised. Or it is made to contact | adhere through the joint material 15 (refer FIG. 3). The bathtub-side waterproof pan 3 is provided with a drainage gradient toward the washing area on the upper surface of the annular projecting portion 3c, and a gap formed between the apron 6 and the lower side is defined as an upper drainage channel 13 (see FIG. 4). ). The bathtub-side waterproof pan 3 has a bathtub drain pipe 10 extending from the back surface of the bottom 3d and communicates with a drain trap 11 described later. In the bathtub-side waterproof pan 3, the drain pipe 5 c of the mounted bathtub 5 is fitted in the bathtub drain pipe 10 and joined in a watertight state.

  The wash basin side waterproof pan 4 is formed with a wall panel placement portion 4b on the side edges of the two sides (in this example, the rear side and the right side) excluding the bathtub side, and on the other side (the front side in this example). An entrance / exit door frame placement portion 4c is formed. The wash basin side waterproof pan 4 is provided with a drain trap 11 on the back surface of the wash floor 4a, and drains both the wash floor 4a and the bathtub 5 with the drain trap 11.

  The apron 6 has a protruding levee portion 2a formed at the boundary between the opening upper edge 5b of the bathtub 5 and the bathtub-side waterproof pan 3 of the waterproof pan 2 and the washing-side waterproof pan 4 (this example is one of the protruding levee portions 2a). Are formed on the right side of the overhanging portion 3c of the bathtub-side waterproof pan 3.) and a region surrounded by the front and rear wall panels 7 and 7 are detachably disposed. In the bathroom 1 of the present invention, when the apron 6 is removed, the back side of the bathtub 5 is exposed to the washing area. The apron 6 forms an upper drainage channel 13 between the apron 6 and the protruding bank 2a of the waterproof pan 2.

  This invention bathroom 1 arrange | positions the sealing material 12 to the clearance gap between the upper edge side of the four-walled standing wall part 3b of the bathtub-side waterproof pan 3, and the four-walled standing wall part 5a of the bathtub 5, and seals this clearance gap with the sealing material 12. In addition to sealing in a watertight manner, the upper surface side of the sealing material 12 and the overhanging portion 3 c and the washing place side of the washing place side waterproof pan 4 are communicated by an upper drainage channel 13. The sealing material 12 has its upper surface 12a protruding slightly upward from the upper surface of the overhanging portion 3c of the bathtub-side waterproof pan 3, so that the water reaching the upper surface 12a flows into the overhanging portion 3c. The sealing material 12 is formed from an easily deformable and water-impermeable elastic material such as foamed rubber or foamed resin, and is arranged as follows. In the first arrangement method, an annular sealing material 12 is bonded to the inner peripheral surface of the standing wall portion 3b of the bathtub-side waterproof pan 3 in advance by water-tight bonding or adhesion, and then the concave portion 3a of the bathtub-side waterproof pan 3 is joined. When the bottom side of the bathtub 5 is inserted and placed, the standing wall 5a of the bathtub 5 is fitted into the annular seal member 12 while compressing the seal member 12, so that the inner peripheral surface of the seal member 12 is fitted. The outer peripheral surface of the standing wall portion 5a of the bathtub 5 is crimped in a watertight manner. In the second arrangement method, an annular sealing material 12 is bonded or adhered to the outer peripheral surface of the standing wall portion 5a of the bathtub 5 in advance in a watertight manner, and then the bathtub 5 is placed in the recess 3a of the bathtub-side waterproof pan 3. The inner peripheral surface of the standing wall portion 3b of the bathtub-side waterproof pan 3 is placed by fitting the sealing material 12 while compressing the annular sealing material 12 to the standing wall portion 3b of the bathtub-side waterproof pan 3 when placed. The outer peripheral surface of the sealing material 12 is pressure-bonded in a watertight manner. In the third arrangement method, before installing the wall panel 7, the bathtub 5 is placed in the recess 3 a of the bathtub-side waterproof pan 3, and the standing wall 3 b of the bathtub-side waterproof pan 3 and the standing wall 5 a of the bathtub 5 are placed. The sealing material 12 is press-fitted into the gap while being watertightly fitted, and if necessary, a seal is secured with a caulking agent. The arranged sealing material 12 is provided with a drainage gradient toward the upper drainage channel 13 on the upper surface 12a.

The upper drainage channel 13 is formed by a gap formed between the apron 6 and the projecting levee portion 2a of the waterproof pan 2, and the water that has entered the upper surfaces of the sealing material 12 and the overhang portion 3c is washed-side waterproof pan. 4 is led to the wash floor 4a and drained.

  The upper drainage channel 13 can be changed to an upper drainage channel 14 shown in FIG. In this modified example, when a drainage gradient is provided in the annular overhanging portion 3c of the bathtub-side waterproof pan 3, the drainage gradient on the washing slope side is not directed toward the washing area, so that the lower side 3e of the drainage slope and the washing area are used. The wash basin side of the waterproof pan 4 is communicated with an upper drainage channel 14 composed of a drain pipe. The sealing material 12 that seals the gap disposed between the four standing wall portions 3b of the bathtub-side waterproof pan 3 and the four wall-standing standing wall portions 5a of the bathtub 5 has an upper surface 12a of the annular shape of the bathtub-side waterproof pan 3 Projecting slightly above the overhanging portion 3c, and making the drainage gradient provided on the upper surface 12a the same as the drainage gradient of the annular overhanging portion 3c, pouring water reaching the upper surface 12a into the overhanging portion 3c, It is made to discharge | emit to the upper drainage channel 14 with the water which turned to the overhang | projection part 3c. In the case where the upper drainage channel 14 made of a drain pipe is provided, the space between the apron 6 and the protruding bank portion 2a of the waterproof pan 2 can be sealed in a watertight manner.

  The bathroom 1 of the present invention enters the bathtub-side waterproof pan 3 from the gap between the wall panel 7 and the upper edge 5b of the opening of the bathtub 5 and / or the cut of the joint material 15 (see FIG. 4) sealing the gap. The water that has turned to the overhanging portion 3c is received by the annular overhanging portion 3c of the bathtub-side waterproof pan 3 or the annular sealing material 12 without entering the recess 3a that is watertightly sealed with the sealing material 12. It can be led to the drainage channel 13 (or 14) and discharged to the washing area. The bathroom 1 of the present invention does not require drainage of the bathtub-side waterproof pan 3 itself on the bottom side of the bathtub-side waterproof pan 3 and only needs to consider drainage of the bathtub 5, and the structure of the drainage part of the bathtub-side waterproof pan 3 is simple. It can be.

  When there is an accident in which water turns in the recess 3a of the bathtub-side waterproof pan 3, the bathtub 5 is slightly lifted to form a drainage gap between the bathtub drain pipe 10 and the bathtub drain pipe 5c. It is good to drain into the drainage pipe 10 for use.

(Second Embodiment)
FIGS. 6 to 8 show a second embodiment of the bathroom of the present invention, and FIG. 6 is a plan view showing a part of the upper surface side of the bathtub broken and omitting the left and right middles, FIG. Is a front view taken along line AA in FIG. 6, and FIG. 8 is an enlarged cross-sectional view of the sealing material.

  The present invention bathroom 21 according to the present embodiment is greatly different from the present invention bathroom 1 according to the first embodiment in that the sealing material 22 is disposed, and the configuration other than the difference is the first structure. The same reference numerals shown in FIGS. 6 to 8 indicate the same components and the like.

  The bathroom 21 of the present invention has three sides (front side, rear side and left side in this example) wall panel placement portions 3c-1, 3c-1, Three-side wall panels 7, 7, 7 are mounted on 3 c-1, and the three-side wall panels 7, 7, 7 and the standing wall portion 3 b of the recessed portion 3 a of the bathtub-side waterproof pan 3 are viewed from the upper side of the washing area In the gap formed between the outer four-round annular surface region D and the inner four-circular annular surface region E composed of the four standing wall portions 5a of the bathtub 5, the upper edge of the opening of the bathtub 5 is higher than the washing floor 4a. An annular sealing material 22 located at a position lower than 5b is arranged and the gap is sealed with the sealing material 22 in a watertight manner, and the upper surface side of the sealing material 22 and the washing place side of the washing place side waterproof pan 4 are communicated by the upper drainage channel 13. It is.

  The sealing material 22 uses the one that is molded as a whole from an easily deformable and water-impermeable elastic material such as foamed rubber or foamed resin like the sealing material 12 of the first embodiment (the former), As shown in FIG. 8, a combination of the core material portion 22a and the close contact portion 22b (the latter) is used. The arrangement method of the sealing material 22 when using the former is performed as follows. In the first arrangement method, an annular sealing material 22 is bonded to the outer four-round annular surface region D in advance in a watertight manner by adhesion or adhesion, and then the bottom side of the bathtub 5 is placed in the recess 3a of the bathtub-side waterproof pan 3. The inner peripheral surface of the sealing material 22 is fitted into the annular sealing material 22 by inserting the four-circular annular surface region E formed of the standing wall portion 5a of the bathtub 5 while compressing the sealing material 22 when being inserted and placed. The four-circular annular surface region E is pressure-bonded in a watertight manner. In the second arrangement method, the annular sealing material 22 is bonded or adhered to the four-circular annular surface region E composed of the standing wall portion 5a of the bathtub 5 in advance, and then watertightly joined. When the bathtub 5 is placed on the outer peripheral surface of the sealing material 22 in the four-circular annular surface region D, the sealing material 22 is fitted into the outer four-circular annular surface region D while the annular sealing material 22 is compressed. Crimp the water tightly. The sealing material 22 is provided with a drainage gradient on the upper surface toward the upper drainage channel 13 even in the case of a deviation between the first and second arrangement methods.

  The latter sealing material 22 combining the core material portion 22a and the close contact portion 22b is used for an arrangement portion having a large width dimension W, and is formed from a synthetic resin material, a metal material, or the like and has a large bending rigidity and a deformable core material portion 22a. A close contact portion 22b formed from a non-water-permeable elastic material that is easily deformed, such as rubber or foamed resin, is watertightly joined. A plurality of annular convex portions may be formed on the close contact portion 22b in order to improve the close contact property. The sealing material 22 has a drainage gradient on its upper surface toward the upper drainage channel 13.

  The latter sealing material 22 is arranged in such a manner that the core material portion 22a of the sealing material 22 is formed on the outer peripheral four-circular annular surface region D composed of the three wall panels 7, 7, 7 and the standing wall portion 3b of the bathtub-side waterproof pan 3. When the bathtub 5 is placed in the concave portion 3a of the bathtub-side waterproof pan 3 with the seal layer 23 being joined, the standing wall portion of the bathtub 5 is compressed while compressing the close contact portion 22b of the seal material 22 By fitting the inner four-circular annular surface region E made of 5a into the close contact portion 22b of the sealing material 22, the four-circular annular surface region E is water-tightly crimped.

  The bathroom 21 of the present invention has three wall panel placement portions 3c-1, 3c-1, 3c-1 of the bathtub-side waterproof pan 3 and two sides (rear side and right side in this example) of the washing-side waterproof pan 4. The height positions of the wall panel placement portions 4b, 4b and the other (front side in this example) entrance door frame placement portion 4c are set to the same level, and the wall panel 7 and the entrance door 8 having the same height can be used. It is.

  The present invention bathroom 21 penetrates into the bathtub-side waterproof pan 3 from the gap between the wall panel 7 and the opening upper edge 5b of the bathtub 5 or the cut of the joint material 15 (see FIG. 7) sealing the gap. The upper drainage channel 13 is formed by the annular projecting portion 3c of the bathtub-side waterproof pan 3 or the annular sealing material 22 without allowing the water that has turned around to the projecting portion 3c to enter the recess 3a that is watertightly sealed with the sealing material 22. Can be discharged to the washing area. The bathroom 21 of the present invention does not require drainage of the bathtub-side waterproof pan 3 itself on the bottom side of the bathtub-side waterproof pan 3 and only considers drainage of the bathtub 5, and the structure of the drainage part of the bathtub-side waterproof pan 3 is simple. It can be.

BRIEF DESCRIPTION OF THE DRAWINGS It is 1st Embodiment of this invention bathroom, Comprising: It is a top view which abbreviate | omits a part of the upper surface side of a bathtub, and abbreviate | omits the right and left middle. It is a top view which abbreviate | omits the middle of right and left in the state which removed the bathtub and the apron in the same embodiment. FIG. 2 is a front view taken along line AA in FIG. 1. FIG. 2 is a front view taken along line BB in FIG. 1. It is a front view which shows another aspect of the overhang | projection part of a bathtub side waterproofing pan. The 2nd Embodiment of this invention bathroom is shown, Comprising: While cut | disconnecting a part on the upper surface side of a bathtub, it is a top view which abbreviate | omits the middle of right and left. FIG. 7 is a front view taken along line AA in FIG. 6. It is sectional drawing to which the sealing material was expanded.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... This invention bathroom, 2 ... Waterproof pan, 3 ... Bath side waterproof pan, 3a ... Recessed part, 3b ... Standing wall part, 3c ... Overhang | projection part, 3c-1 ... Wall panel mounting part, 3d ... Bottom part, 4 ... Washing area side waterproof pan, 4a ... washing floor, 4b ... wall panel placement part, 4c ... entrance door frame placement part, 5 ... tub, 5a ... standing wall part, 5b ... opening edge, 6 ... apron, 7 ... Wall panel, 8 ... Entrance door, 12 (22) ... Sealing material, 12a ... Upper surface, 13 ... Upper drainage channel

Claims (4)

  In a bathroom provided with a waterproof pan in which the bathtub-side waterproof pan and the washing-side waterproof pan are integrally formed or connected, a bathtub placed on the bathtub-side waterproof pan, and an apron detachably provided between the bathtub and the waterproof pan, The bathtub-side waterproof pan has a recess on which the bottom side of the bathtub is placed, and an overhanging portion that protrudes from the upper edge of the standing wall portion of the recess and is higher than the washing floor and at a position lower than the upper edge of the bathtub opening. The gap between the upper edge side of the standing wall portion of the recess and the bathtub is sealed with a sealing material in a water-tight manner, and the upper surface side of the sealing material and the overhanging portion and the washing side of the waterproofing side waterproof pan are communicated with the upper drainage channel. A bathroom with a waterproof pan on the tub side and washroom side.   2. The bathtub side and the washing station side according to claim 1, wherein the overhanging portion has a drainage gradient toward the washing station side, and a gap is formed between the apron and a lower side of the apron, and the gap is used as the upper drainage channel. Bathroom with waterproof pan.   2. The bathtub side and the washing place side according to claim 1, wherein the overhanging portion is provided with a drainage slope, and the waterside of the drainage slope and the washing place side of the waterproof pan for the washing place are communicated with a drain pipe that forms the upper drainage channel. Bathroom with waterproof pan.   In a bathroom provided with a waterproof pan in which the bathtub-side waterproof pan and the washing-side waterproof pan are integrally formed or connected, a bathtub placed on the bathtub-side waterproof pan, and an apron detachably provided between the bathtub and the waterproof pan, The bathtub-side waterproof pan is formed with a concave portion where the bottom side of the bathtub is placed and three wall panel placement portions protruding from the upper edge excluding the washing area side of the standing wall portion of the concave portion. The three-side wall panel is raised up in the section, and the gap between the outer four-round annular surface area consisting of the washing wall side upper edge side of the three-way wall panel and the recessed standing wall and the inner four-round annular surface area consisting of the standing wall portion of the bathtub Is sealed in a watertight manner with a sealing material that is higher than the washing floor and lower than the upper edge of the bathtub opening, and the upper surface of the sealing material and the washing area of the waterproofing side waterproof pan are communicated by the upper drainage channel. Characteristic waterproof pad on the bathtub side and washing area Bathroom with.

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