JP3242382B2 - Waterproof structure at the corner of the unit room - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof structure for a corner portion of a unit room, and more particularly to a technique for improving waterproofness at a corner portion.

[0002]

2. Description of the Related Art Conventionally, a waterproof structure in a unit room such as a bathroom is provided by mounting a wall panel on a wall standing portion raised on an outer peripheral portion of a waterproof floor pan and applying a sealing agent such as silicone resin after assembling the unit. To achieve a seal.

[0003] Incidentally, the sealing function of the sealing agent 6 is deteriorated by aging.
As shown in FIG. 11, a waterproof tape 3 is laid on a wall mounting portion 19 raised on the outer peripheral portion of the waterproof floor pan 1, and a wall panel 2 is formed.
The waterproof tape 3 is compressed by its own weight to provide a double waterproof structure for long-term sealing.

[0004] In FIG. 11, reference numeral 20 denotes a fixing bracket, and a locking piece 22 of the fixing bracket 20 is locked to an upstanding piece 23 of the waterproof floor pan 1. In this case, a large-diameter portion of the fixing bracket 20 is used. 20a is passed through the large-diameter hole of the
1a, the wall panel 2 is held upright.

[0005]

However, in the conventional configuration, as shown in FIG. 10, the wall panels 2 and 2 do not exist at the corners of the waterproof floor pan 1, and the sealing agent 6 at the corners is not provided. However, there is a problem that water leaks immediately when the steel is deteriorated and cracks or the like enter.

The present invention has been made in view of such a problem, and an object of the present invention is to provide a waterproof structure for a corner portion of a unit room which can enhance waterproofness in a corner portion where no wall panel exists. It is assumed that.

[0007]

According to the first aspect of the present invention, there is provided a waterproof structure for a corner portion of a unit room in which a wall panel 2 is erected by laying a waterproof tape 3 on a waterproof floor pan 1. The lower corner block 4 is placed on the waterproof floor pan 1 between the wall panels 2 and 2 at the corner where no 2,2 exists.
And the lower corner block 4 presses the waterproof tape 3 at the corner portion.
According to such a configuration, the wall panel 2 is formed at the corner.
Since the waterproof tape 3 laid in the place where no is present is held down by the lower corner block 4, the waterproof property at the corner of the waterproof floor pan 1 can be greatly improved.

In the second aspect, the lower corner block 4
Is characterized in that a locking portion 5 for locking to the waterproof floor pan 1 is formed. According to such a configuration,
The lower corner block 4 can be locked and fixed to the waterproof floor pan 1 by the locking portion 5, and the waterproof property can be further enhanced.

In the third aspect, the lower corner block 4
Is formed with a backup portion 7 for backing up the filling of the seal filler 6. According to such a configuration, the backup of the seal filler 6 such as a silicone resin in the backup section 7 can be performed, and the sealing performance can be further improved.

According to a fourth aspect of the present invention, the connecting surface of the wall panel 2 is provided with a connecting projection 9 having an enlarged portion 8 at the tip thereof. A connection hole 13 formed by communicating the holes 12 is provided, and
0, the connection holes 13 facing each other are inclined so as to be closer to the center side of the connection tool 10 toward the lower side. It is characterized by being connected. According to such a configuration, after inserting the enlarged portion 8 of the connection protrusion 9 into the large-diameter hole 11 of the connection hole 13 of the connection tool 10, the connection tool 10 is driven in,
When the connection projection 9 is fixed to the small-diameter hole 12, the connection hole 13 is inclined so as to be closer to the center toward the lower side. Thus, it is possible to prevent a decrease in waterproofness due to the opening of the wall panels 2 and 2.

According to a fifth aspect of the present invention, the through holes 17 are formed in the vertical frames 14, 14 on the back of the wall panels 2, 2 at the corners.
And a connection block 16 having a through hole 15 formed between the vertical frames 14, 14 is arranged.
The wall panels 2 and 2 are connected by tightening the belt 18 inserted through the belt 18. According to such a configuration, the connection block 16 is interposed between the vertical frames 14, 14 of the adjacent wall panels 2, 2 in the corner portion, and the through hole 17 of the vertical frame 14, the through hole 15 of the connection block 16 is provided.
By tightening the belt 18 inserted in the wall panels 2, 2, the connection strength at the corners of the wall panels 2, 2 can be increased, and the waterproofness between the wall panels 2, 2 can be increased.

[0012]

Embodiments of the present invention will be described below. 1A is a plan view, FIG. 1B is a side sectional view, FIG. 2 is a perspective view of a lower corner block, and FIG. 3 is a side sectional view of a corner portion.

The unit room of the present invention constitutes, for example, a bathroom, in which a wall panel 2 is erected around a waterproof floor pan 1 and a ceiling panel is erected. The floor pan 1 and the wall panel 2 are sufficiently waterproof. The details will be described below.

As shown in FIG. 1, a flat wall supporting portion 26 is formed on the periphery of the waterproof floor pan 1 so as to stand up from the bottom.
An upstanding piece 27 is further formed on the outer edge of the wall support portion 26 to enhance waterproofness. The flat wall support 26 has a waterproof tape 3 around the entire circumference including the corners.
Has been laid. Preferably, the waterproof tape 3 is adhered with an adhesive.

The wall panel 2 is constituted by attaching a vertical frame 14, a horizontal frame 14, and a horizontal frame 21 of channel material to an outer peripheral portion of a back surface of a face plate 28. The horizontal frame 21 below the wall panel 2 opens downward and the upper horizontal frame 21
Is open at the top. The vertical frame 14 is open rearward.

FIG. 2 shows the lower corner block 4.
Pressing pieces 29, 2 formed in a substantially L-shape in plan view
9 are formed with U-shaped engaging portions 5 and 5, respectively. An insertion holding piece 30 is formed upright at the tip of the holding piece 29 to form a locking step 31.

Thus, as shown in FIGS. 1A and 1B and FIG. 3, the lower corner block 4 is placed on the corner of the waterproof floor pan 1 and the locking portions 5, 5 are attached to the standing pieces 23. The waterproof tape 3 is pressed by the lower corner block 4. The wall panels 2 and 2 are built on both sides of the corner of the waterproof floor pan 1 from above the lower corner block 4.

In this case, as shown in FIGS. 1A and 3, the end of the vertical frame 14 is locked by the locking step 31 of the lower corner block 4, and the insertion holding piece 30 is
In this manner, the wall panels 2 and 2 are locked and connected to the lower corner block 4, and the lower corner block 4 is pressed by the wall panels 2 and Is pressed to achieve sufficient waterproofing. In FIG. 3, a connecting member 32 connects the vertical and horizontal frames 14 and 21 to increase the strength of the wall panel 2.

As described above, the lower corner block 4 is provided on the waterproof floor pan 1 between the wall panels 2 and 2 at the corner where the wall panels 2 and 2 do not exist. Thus, the waterproof property at the corners of the waterproof floor pan 1 is greatly improved. In this case, the lower corner block 4 can be locked and fixed to the waterproof floor pan 1 by the substantially U-shaped locking portion 5, and the waterproofness can be further enhanced. Moreover, a backup portion 7 for backing up the filling of the seal filler 6 is formed inside the lower corner block 4, and when the seal filler 6 such as silicone resin is filled after assembly, the backup portion 7 is provided. In this case, backup can be performed, and the sealing performance at the corners can be further improved.

The shape of the lower corner block 4 is shown in FIG.
It can be changed as shown in FIG.

FIGS. 5 and 6 show the connection structure of the wall panels 2 and 2. FIG. The details will be described below.

On the outer surface of the vertical frame 14 of the wall panel 2, there is provided a connection projection 9 having an enlarged portion 8 at the tip. A connection hole 13 formed by communicating a large-diameter hole 11 and a small-diameter hole 12 above the large-diameter hole 11 is provided in both pieces of the angle-type connection tool 10. The connection holes 13, 13 facing each other of the connecting tool 10 are inclined so as to be closer to the center side of the connecting tool 10 toward the lower side.

Thus, the large-diameter holes 11, 11 of the connecting member 13
Is engaged with the enlarged portions 8 of the connecting projections 9 and the connecting tool 13 is driven by a tool such as a hammer to move the large-diameter portion 8 to the small-diameter hole 12. In this case, since the connection holes 13 are inclined so as to be closer to the center toward the lower side, the wall panels 2 and 2 can be drawn together and connected, and the wall panels 2 and 2 are prevented from opening and connected. Thus, it is possible to prevent a decrease in waterproofness due to the opening of the wall panels 2 and 2.

FIG. 7 shows a structure in which the wall panels 2 and 2 are connected while preventing their opening. The details will be described below.

The vertical frame 14, on the back of the wall panels 2, 2,
The through holes 17 are formed in the side walls 33 of the 14. A connection block 16 having a through hole 15 formed between the vertical frames 14 is provided. The wall panels 2 and 2 are connected by tightening the belt 18 inserted in the through hole 17 and the through hole 15.

As described above, the connection block 16 is interposed between the vertical frames 14, 14 of the adjacent wall panels 2, 2 at the corners, and inserted into the through hole 17 of the vertical frame 14 and the through hole 15 of the connection block 16. By tightening the belt 18, the connection strength at the corners of the wall panels 2, 2 can be increased, and the waterproofness between the wall panels 2, 2 can be increased.

FIG. 8 shows a connection block 34 at the upper end of the wall panels 2 and 2. The connection block 34 prevents the wall panels 2 and 2 from being opened, thereby preventing the watertightness at the connection points from being impaired. I am trying to do it. The details will be described below.

A connecting hole 35 is formed in the horizontal frame 21 on the wall panel 2. In the connection block 34, a pair of external contact pieces 36 corresponding to the outer surface of the wall panel 2 and a pair of end contact pieces 37 corresponding to the side end surfaces of the wall panel 2 are formed, and the pieces 37, 37 are connected and formed in series. I have.
An upper holding piece 38 is formed to be connected to the upper end of the outer contact piece 36 and the upper part of the end contact piece 37. A rod 39 is hung from the upper holding piece 38.

The rod 3 of the connection block 34
9 and 39 are inserted into the connection holes 35 of the wall panels 2 and 2 to connect the wall panels 2 and 2 with each other. In this case, the outer contact piece 36 contacts the outer surface of the wall panel 2, the end contact piece 37 contacts the side end face of the wall panel 2, and the upper pressing piece 38 contacts the upper surface of the wall panel 2.

According to such a connection structure, since the connection block 34 has the outer contact piece 36 and the end contact piece 37, the positioning between the wall panel 2 and the connection block 34 is performed firmly, and Can be prevented from opening.

As shown in FIG. 8A, a piece 3
A start-up portion is formed in 7 to form a backup portion 7a. In the backup portion 7a, the seal filler 6 filled between the ceiling panel 41 and the wall panels 2 and 2
I am receiving it.

Incidentally, the backup portion 7a is formed in a wedge shape inclined downwardly outward. Thus, even if the outer end 42 of the connection block 34 is slightly lifted up by the reaction force of the connection block 34 receiving the opening force of the wall panel 2, the backup unit 7 is inclined. The outer end 42 of the connection block 34
Is prevented from hitting the ceiling panel 41 so that the ceiling panel 41 is not lifted.

FIG. 9 shows a flat block 43 having an L-shaped cross section for connecting the wall panels 2 and 2 linearly at the flat portions and preventing the wall panels 2 and 2 from opening.
9 are provided with ribs 44 so that they can be inserted into the connection holes 35 of the wall panel 2 without play. FIG. 4B shows a flat block connecting the lower portions of the wall panels 2 and 2.

[0034]

According to the first aspect of the present invention, there is provided a waterproof structure for a corner portion of a unit room in which a wall panel is erected by laying a waterproof tape on a waterproof floor pan, wherein the wall panel has no wall panel. Since the lower corner block is provided on the waterproof floor pan between the panels and the lower corner block holds down the waterproof tape at the corner part, the waterproof tape laid at the corner part where there is no wall panel is provided by the lower corner block. This is advantageous in that the waterproofing can be greatly improved at the corners of the waterproof floor pan.

According to the second aspect of the present invention, the lower corner block is formed with a locking portion for locking to the waterproof floor pan. It can be locked and fixed to the pan,
There is an advantage that waterproofness can be improved.

According to the third aspect, a backup portion for backing up the filling of the seal filler is formed inside the lower corner block. In addition to the effect of the first aspect, the backup portion is made of a material such as silicon resin. The seal filler can be backed up.
There is an advantage that the sealing performance can be improved.

According to a fourth aspect of the present invention, the connecting surface of the wall panel is provided with a connecting projection having an enlarged portion at the tip, and a large-diameter hole and a small-diameter hole are provided above the two holes of the angle-type connecting device. The formed connection hole is provided, and the connection hole facing the connection tool is inclined so as to be closer to the center side of the connection tool toward the lower side, and the connection projection through the large diameter hole is locked to the small diameter hole to connect the wall panel. Therefore, in addition to the effect of the first aspect, after inserting the enlarged portion of the connection projection into the large diameter hole of the connection hole of the connection tool, the connection tool is driven into the connection projection to reach the small diameter hole and fixed. In this case, since the connection hole is inclined so as to be closer to the center toward the lower side, the connection of the wall panel can be prevented by preventing the opening of the wall panel, and the reduction in waterproofness due to the opening of the wall panel can be prevented. There is an advantage that can be.

According to a fifth aspect of the present invention, a through hole is formed in the vertical frame on the back surface of the wall panel in the corner portion, a connection block having a through hole formed between the vertical frames is disposed, and a belt inserted through the through hole and the through hole is provided. To connect the wall panels, so that in addition to the effect of claim 1, a connection block is interposed between the vertical frames of the adjacent wall panels at the corners to provide a through hole of the vertical frame and a through hole of the connection block. By tightening the inserted belt, there is an advantage that the connection strength at the corners of the wall panels can be increased, and the waterproofness between the wall panels can be increased.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention, wherein (a) is a schematic plan sectional view and (b) is a schematic side sectional view.

FIG. 2 is a perspective view of a lower corner block according to the first embodiment;

FIG. 3 is a schematic side sectional view of the same.

4A and 4B show another embodiment of the above, wherein FIG. 4A is an exploded perspective view, FIG. 4B is a perspective view of a lower corner block, and FIG. 4C is a perspective view of a lower flat block.

FIG. 5 shows a connection structure of a wall panel according to the present invention;
(A) is an exploded perspective view, (b) is a plan view after connection.

6A and 6B show the connection tool of the above, wherein FIG. 6A is a plan view and FIG.
(C) is a side view.

7A and 7B show another embodiment of the above, wherein FIG. 7A is a perspective view and FIG. 7B is a schematic plan sectional view.

8A and 8B show a connection tool at an upper end portion of the wall panel, in which FIG. 8A is a perspective view, FIG. 8B is a perspective view of the wall panel,
(C) is a perspective view seen from the room, and (d) is a schematic side sectional view.

FIG. 9 shows a flat connector for connecting the wall panels according to the first embodiment;
(A) is a perspective view, (b) is a perspective view of a wall panel.

10A and 10B show a conventional example, in which FIG. 10A is an exploded perspective view, and FIG.
Is a schematic plan view.

FIG. 11 is a side sectional view of the same.

[Explanation of symbols]

 1 Waterproof floor pan 2 Wall panel 3 Waterproof tape 4 Lower corner block

Claims (5)

(57) [Claims] 1. A waterproof floor pan between wall panels in a corner portion of a unit room in which a wall panel is erected by laying waterproof tape on the waterproof floor pan, wherein the wall panel does not exist. A waterproof structure at a corner of a unit room, wherein a lower corner block is provided on the upper part of the unit room and the waterproof tape at the corner is held by the lower corner block. 2. The corner structure of a unit room according to claim 1, wherein a locking portion for locking to the waterproof floor pan is formed in the lower corner block. 3. The waterproof structure for a corner of a unit room according to claim 1, wherein a backup portion for backing up the filling of the seal filler is formed inside the lower corner block. 4. A connecting hole formed by connecting a large-diameter hole and a small-diameter hole above the both ends of an angle-type connecting tool on a connecting surface of a wall panel, the connecting projection having an enlarged portion provided at a tip thereof. The connecting hole facing the connecting tool is inclined downward toward the center of the connecting tool toward the lower side, and the connecting projections passing through the large-diameter hole are locked to the small-diameter hole to connect the wall panel. The waterproof structure of a corner portion of a unit room according to claim 1, wherein: 5. A through-hole is formed in a vertical frame on the back of a wall panel at a corner portion, a connection block having a through-hole formed between the vertical frames is arranged, and a belt inserted into the through-hole and the through-hole is tightened to form a wall. The waterproof structure of a corner part of a unit room according to claim 1, wherein panels are connected.