JPS6347442A - Seal structure of outer wall panel - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a sealing structure for an exterior wall panel.

[Prior Art] Conventionally, a sealing structure for an exterior wall panel has been proposed, for example, as described in Japanese Patent Publication No. 51-38930, for a joint between an exterior wall panel and a roofing material of a building. The sealing structure of this outer wall panel is such that a groove is provided on the outer surface of the outer wall panel, the upper end of the waterproof sheet is supported in the groove, and the lower end of the waterproof sheet is extended onto the roofing material. Further, the upper end of the drain plate is supported on the waterproof sheet in the groove, and the lower end of the drain plate is continuous with the roofing material. Further, caulking material is injected into the grooves to prevent rainwater from entering between the waterproof sheet and the outer wall panel and on the inner surface of the draining board.

[Problems to be Solved by the Invention] However, forming the stripes 11■ on the outer surface of the outer wall panel and applying caulking to the stripes is complicated and has the disadvantage of increasing work costs. Additionally, caulking materials have the problem of cracking or cracking over time, resulting in a decrease in waterproof properties.

SUMMARY OF THE INVENTION An object of the present invention is to reliably perform waterproofing on a joint between an outer wall panel and a roofing material by a simple operation.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a sealing structure for an exterior wall panel in which a drainage plate is provided at the joint of the exterior wall panel and roofing material of a building. The upper end part is a rising part that rises in the vertical direction of the exterior wall panel, the lower end part of the draining board is a covering part that covers the outer surface of the roofing material, and the upper end of the waterproof sheet is attached to the back part of the exterior wall panel. Arrived,
The lower end of the waterproof sheet is attached to the outer surface of the rising portion of the drain plate.

[Function] According to the present invention, the upper end portion of the waterproof sheet is supported by the back surface portion of the outer wall panel that stands vertically. Further, the lower end of the waterproof sheet is attached to the outer surface of the rising portion of the draining plate, and the lower end portion of the draining plate is used as a covering portion that covers the outer surface of the roofing material. As a result, even if rainwater sprays horizontally between the exterior wall panel and the roofing material, the rainwater will not infiltrate into the room from between the top edge of the waterproof sheet and the exterior wall panel, and between the waterproof sheet and the draining board. is prevented. In particular, since the lower end of the waterproof sheet is adhered to the upright portion of the draining plate, the sheet does not roll up, thereby preventing rainwater from entering the back side of the waterproof sheet.

As described above, according to the present invention, the space between the exterior wall panel and the roofing material is reliably closed by the waterproof sheet and the draining plate, and the waterproofing of the joint between the exterior wall panel and the roofing material can be reliably performed with a simple operation. It becomes possible.

[Examples] Examples of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing a sealing structure of an exterior wall panel according to an embodiment of the present invention, FIG. 2 is a perspective view showing a unit house using the sealing structure of an exterior wall panel shown in FIG. 1, and FIG. The arrow view along the ■-■ line in Figure 2, and Figure 4 is the IV in Figure 2.
Figure 5 is a perspective view showing the fixed state of each outer wall panel, Figure 6 is a sectional view taken along line vi-vi in Figure 1, and Figure 7 is a view taken along line IV in Figure 1. - Sectional view along line ■, No. 8
The figure is a cross-sectional view taken along the line ■--■ in FIG. 1, and FIG. 9 is a cross-sectional view taken along the line IX--IX in FIG.

The unit house 10 in FIG. 2 is formed by adjoining a plurality of building units and further forming a layer.

That is, the unit house 10 is formed by arranging four building units 11 adjacent to each other so that the lower floor part forms a rectangular plane.

Further, the upper floor portion of the unit house 10 is formed by stacking building units 11 on top of each building 22) 11 constituting the lower floor portion. The upper floor portion is formed by arranging three building units 11 adjacent to each other in a planar shape. As a result, an inside corner 12 is formed in the upper floor portion as shown in FIG.

Each building unit 1 adjacent to the upper floor side of unit housing lO
A roof material 13 is disposed on the top of the roof 1 . Furthermore, a roofing material 14 is disposed above the building unit 11 on the lower floor side below the large corner portion 12.

As shown in FIGS. 2 and 5, each building unit 11 is formed by connecting structural members such as columns 15, girders 16, girders 17, and small beams 18 so as to form a box shape as a whole, and Exterior wall panels 19 are fixed to the outer surfaces of the connected structural members, respectively.

Outer wall panels 19A and 19B are respectively fixed in the direction of the arrow on the outer surface of each unit 11 corresponding to the inside corner 12 among the building units 11 arranged on the upper floor side. (See Figures 2 and 5), each of the exterior wall panels 19A and 19B is constructed by attaching a metal panel frame 21 to the back side of a facing material 20 made of hard wood cement board or gypsum board. (See Figures 3 and 4).

Studs 22 are provided on the outer surface of the building unit 11 to which each of the exterior wall panels 19A, 19B is fixed (see FIGS. 2 and 5).

Attach the upper and lower ends to each structural member of the girder beam 16 or girder beam 17,
They are joined using ports 23 and nuts 24, respectively (see FIGS. 6 and 7).

Exterior wall panel 19A for the outside surface of each building unit 11
, 19B is fixed by fixing the panel frame 21 on the back side of each panel 19A, 19B to the pillar 15 and stud 2 of the unit 11.
2 using rivets 25 (see FIGS. 6 and 7), and a receiving piece 26 is previously joined below the pillars 15 and studs 22 (see FIG. 5). , when joining the respective outer wall panels 19A and 19B to the receiving piece 26, the pillar 15, and the stud 22, each panel 19A
, 19B are positioned so that they can be supported.

In this way, when the respective outer wall panels 19A and 19B are fixed to the outer surface of each building unit 11 corresponding to the large corner portion 12, a joint portion 27 is created between each adjacent panel 19A and 19B (see FIG. 5). ).

Exterior wall panels 19A, 1 fixed to each building unit) 11
A draining plate is provided in advance at the joining part 28 of the lower end of each of the outer wall panels 19A, 19B and the roof material 14 below the panel 9B. The rainwater draining board consists of a rainwater draining board 29A disposed below the outer wall panel 19A and a rainwater draining plate 29B disposed below the outer wall panel 19B.
The intersecting ends of 9B are integrally connected via a connecting plate 30 (see FIG. 5).

Each of the draining plates 29A and 29B is arranged in an inclined state so that the upper end portion is located on the girder 16 or girder 17 side of each building unit 11, and the lower end portion is located on the edge of the outer surface of the roofing material 14. Each drain plate 29A is installed (see Fig. 6 and Fig. 7).
, 29B is a rising portion 31 that rises in the vertical direction (direction of arrow A) of the outer wall panels 19A, 19B,
The upper ends of these rising parts 31 are engaged with engagement pieces 32, and the lower ends of these rising parts 31 are supported by support pieces 33. (See FIGS. 6 and 7), the engagement piece 32 and the support piece 33 are arranged in the longitudinal direction (
They are arranged at predetermined intervals in the direction of arrow B). Of these, the engagement piece 32 is welded to the upper surface of the girder beam 16 or end beam 17, and the support piece 33 is attached to the girder beam 16 or end beam 17 by a port 34.
attached to the outer surface of the In this way, each drain plate 29A, 2
9B is supported by the girder 16 and end fA 17 of each building unit 11 with the rising portion 31 supported by the engagement piece 32 and the support piece 33.

The roof material 14 on which the lower end portion of each draining plate 29A, 29B is located is formed by bending the roof surface into an uneven shape, and as shown in FIG. 36
Equipped with Among the draining plates 29A and 29B, the lower end portion of one of the draining plates 29A is a covering portion 37 that covers the edge of the uneven roof surface. That is, the covering portion 37 has an uneven shape corresponding to the shape of the roof surface, and includes a surface door 38 inserted into the bent recess 36 (see FIG. 7).

The lower end portion of the other draining plate 29B is a covering portion 39 that covers the bent convex portion 35 at the end of the uneven roof surface. That is, the covering portion 39 is formed by bending the lower end portion of the drain plate 29B so as to cover the bent convex portion 35 at the end, as shown in FIG. It is inserted into the recess 36. In this way, each drain plate 29A,
The end portion of the roof material 14 that is in contact with the building unit 11 on the upper floor side is covered by the covering portions 37 and 39 of 29B.

By the way, each outer wall panel 19A disposed in the large corner portion 12
, 19B, a waterproof sheet is attached to each of the panels along the side edge facing the joint portion 27 and the lower edge facing the joining portion 28 of the panel. That is, among the outer wall panels 19A and 19B, the outer wall panel 19 shown in FIG.
A has an inverted-shaped waterproof sheet 40A along the joint portion 27 and the joint portion 28, and an L-shaped waterproof sheet along the joint portion 27 and the joint portion 28 is on the outer wall panel 19B shown in FIG. C) 40B are attached respectively.

Each waterproof sheet) 40A, 40B has its proximal end in the width direction joined to a panel frame 21 provided on the back surface of the corresponding outer wall panel 19A, 19B via double-sided tape 41, and is attached to each panel 19A, 19B. (see Figures 6 and 7), and each waterproof sheet) 40A and 40B are
Each of these waterproof sheets 40A and 40B, whose tip in the width direction extends outward from the side edge or lower edge of the panel (see FIGS. 3 and 4), is made of flexible soft polyester 111. It is formed from materials such as vinyl sheets, polyethylene sheets, and rubber sheets.

Of the waterproof sheets 40A or 40B attached to each panel, one of the adjacent waterproof sheets 4 facing the joint portion 27
A male rail portion 43 having a protrusion 42 extending along the side edge of the panel is provided in advance at the tip of the side edge of 0A.

Also, the other adjacent waterproof seam facing the joint part 27) 40B
A concave groove 4 extending along the side edge of the panel is provided at the tip of the side edge of the panel.
4 is provided in advance. The protrusions 42 and grooves 44 are made of a slightly flexible synthetic resin such as polyvinyl chloride or polyethylene.

As mentioned above, each waterproof seam) 40A, 40B joint part 2
Each of the outer wall panels 19A and 19B is provided with a male rail portion 43 or a female rail portion 45, respectively, in the corresponding area of 7, so that the tip portion where each rail portion 43, 45 is provided is temporarily fixed to the surface of the panel during the installation stage of the panel. Ru. Further, of each of the waterproof sheets 40A and 40B, the lower end of the sheet facing the joining portion 28 is also temporarily fixed to the surface of the panel. The temporary fixing is done by supporting the tip of each waterproof sheet 40A, 40B to the facing material 20 of the corresponding outer wall panel 19A, 19B with adhesive tape 46, as shown in FIGS. 2 and 5. .

Each exterior wall panel 19A, 19B is fixed to the outer surface of each building unit 11 corresponding to the large corner 12, as described above, with the corresponding waterproof sheet 40A, 40B temporarily attached as described above. (See Figures 2 and 5).

Note that when connecting the back surfaces of each of the outer wall panels 19A and 19B to the corresponding pillars 15, a synthetic resin foam 47 is attached to the surface of the pillars 15 of the building unit 11 (see FIG. 5). As a result, in the state where the panel frame 21 is joined to the pillar 15, the base portions of the waterproof sheets 4OA and 40B in the width direction are adhered to the synthetic resin foam 47,
The base end portion of each waterproof sheet 40A, 40B in the width direction is
The panel frame 21 and the pillar 15 are tightly sandwiched and joined together.

In this way, each outer wall panel 19A, 19B.

is fixed to the outer surface of the corresponding building unit 11,
First, the waterproof sheet is temporarily attached to the face material 20 of each panel)
The tips of 40A and 40B are released from the temporarily fixed state by peeling off the adhesive tape 46.

Each waterproof sheet 40A and 40 whose temporary fixing state has been released
B is suspended above the surface of each of the draining plates 29A, 29B to which the area corresponding to the matching part facing the matching part 28 corresponds. The lower end of the viewing area corresponding to the joining part of each suspended waterproof sheet 40A, 40B is connected to each corresponding drain plate 29 in advance.
A, 29B is attached to a double-sided adhesive tape 48 made of butyl rubber or the like that is attached to the outer surface of the rising portion 31 (see FIGS. 6 and 7). As a result, each waterproof sheet) 40
The area corresponding to the joint part of A and 40B is each outer wall panel 1
Draining plates 29A, 29B corresponding to the lower ends of 9A, 19B
This will close the gap between the north end of the

On the other hand, each waterproof sheet 4OA, 4 whose temporary fixing state has been released
Of 0B, the area corresponding to the joint facing the joint 27 is the first
As shown in the figure, a male rail portion 43 and a female rail portion 45 at the tip
They are attached to each other in a state where they are in abutment with each other. Male rail part 43
The engagement work between the male rail part 43 and the female rail part 45 is carried out by fitting the upper end of the protrusion 42 of the male rail part 43 into the upper end of the groove 44 of the female rail part 45, and then attaching the upper end of the female rail part 45 to the upper end of the female rail part 45 in advance. This is done by pulling down the attached slider 49 in the direction of arrow C (see Fig. 1). In other words, the slider 49 is
As shown in the figure, each rail portion 43.45 is held from the outside and an external force is applied to both rail portions 43.45 so that the protrusion 42 and the groove 44 fit in the direction of the arrow. be. The slider 49 is pulled down by pulling a handle 50 attached to the surface of the slider 49 in the direction of arrow C. As a result, the opposing protrusions 42 and grooves 4 shown in FIG.
4 are fitted sequentially from above and are locked to each other.

The areas corresponding to the joints of waterproof sheets 4OA and 40B attached to the corresponding outer wall panels 19A and 19B are
2 and the concave groove 44 are engaged in the vertical direction, so that they are integrally connected. As a result, the large corner 12
Joint part 2 between outer wall nononel 19A and 19B corresponding to
7 are sealed by the sheets 40A and 40B which are integrally combined. It is preferable that the protrusions 42 and the grooves 44 are made of a slightly flexible synthetic resin so that they are completely sealed. The lower end of the area is suspended on the surface of the joint plate 30 between each draining plate 29A, 29B.

The joint portion of each waterproof sheet) 4OA and 40B that are integrally connected is stored between adjacent pillars 15 inside the joint 27 (not shown), and the joint portion of each waterproof sheet) 4OA and 40B is stored between adjacent pillars 15 inside the joint 27 (not shown). 15, a gasket (not shown) is inserted into the joint portion 27.

In this way, the waterproof sheet 40A to which the joint portion 27 is attached,
40B and the gasket, and are further closed by the waterproof sheets 40A and 40B, which are integrally connected between the lower end of each panel 19A and 19B and each drain plate 29A and 29B of the assembly part 28, each outer wall Panel 19
A decorative cover 51 is attached to the lower end of each of the outer wall panels 19A and 19B (see FIGS. 6 and 7).
A sealing member 53 is interposed on the back surface of the attachment portion of the decorative cover 51. The lower end of the decorative cover 51 extends toward the inclined surface of each draining plate 29A, 29B,
As a result, each panel 19A, 19B and the draining board 29A, 2
The outside between 9B will be covered by the decorative cover 51.

Next, the operation of the above embodiment will be explained.

According to the above embodiment, one end of the area corresponding to the joint part of each waterproof sheet 40A, 40B is attached to the back side of each corresponding outer wall panel 19A, 19B vertically installed via double-sided adhesive tape 41. It will be supported. Further, the lower end portions of the areas corresponding to the joint portions of each of the waterproof sheets 40A and 40B are attached to the outer surfaces of the rising portions 31 of the corresponding draining plates 29A and 29B via double-sided adhesive tapes 48. As a result, in the assembly portion 28, the lower end portions of the outer wall panels 19A, 19B and each draining plate 29A,
Even when rainwater sprays horizontally between the upper ends of 29B, between each outer wall panel 19A, 19B and the waterproof sheets 40A, 40B, and between each waterproof sheet 40A, 40B.
This will prevent rainwater from entering the room between the drain plates 29A and 29B. In particular, each tarpaulin sheet 4
Since the lower end of the area corresponding to the joining portion of sheets 0A and 40B is attached to the standing portion 31, the sheets 40A and 40B
The lower end portion of B does not roll up, thereby preventing rainwater from entering the back side of the waterproof sheets 40A and 40B.

Therefore, each outer wall panel 19A, 19B and roof material 1
4 is reliably closed by the waterproof sheets 4OA, 40B and the drain plates 29A, 29B, and the connecting portion 28 can be closed without any troublesome work such as caulking.
It becomes possible to reliably carry out the waterproofing treatment in step 8 with a simple operation.

Further, according to the above embodiment, each waterproof sheet 40A, 40
In B, the areas corresponding to the joints facing the joints 27 can be joined by engaging the protrusions 42 of the male rail part 43 and the grooves 44 of the acid rail part 45 with each other. As a result, the seam 2 between each panel 19A and 19B is created by the seam viewing areas of the combined waterproof sheets 40A and 40B.
7 can be occluded. Furthermore, since the joint portion 27 is also closed by a gasket, the joint portion 27 can be reliably waterproofed.

Further, the outside of the joint portion 28 that is closed by each waterproof sheet) 4OA, 40B is covered by a decorative cover 51, and the decorative cover 51 prevents rainwater spraying onto the joint portion 28.
It can be doubly blocked by the waterproof sheets 4OA and 40B.

[Effects of the Invention] As described above, the present invention provides a sealing structure for an exterior wall panel in which a drain plate is provided at the joint between the exterior wall panel and roofing material of a building, in which the upper end portion of the drain board is installed vertically on the exterior wall panel. The lower end of the drain plate is used as a covering part that covers the outer surface of the roofing material, and the upper end of the waterproof sheet is attached to the back of the outer wall panel, and the lower end of the waterproof sheet is It is attached to the outer surface of the rising part of the draining board. Therefore, it is possible to reliably waterproof the joint between the outer wall panel and the roofing material with a simple operation.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing a sealing structure of an exterior wall panel according to an embodiment of the present invention, FIG. 2 is a perspective view showing a unit house using the sealing structure of an exterior wall panel shown in FIG. 1, and FIG. Figure 4 is a view along the line m-■ in Figure 2, and 1' in Figure 2.
Fig. 5 is a perspective view showing the fixed state of each outer wall panel, Fig. 6 is a cross-sectional view taken along the Vl-Vl line of Fig. S1, and Fig. 7 is a view taken along the line Vl-Vl of Fig. ff11. 8 is a sectional view taken along line 1A, and FIG. 9 is a sectional view taken along line IX-IX in FIG. 1. 14...Roofing material, 19.19A, 19B...Outer wall panel, 28...Assembly part, 29A, 29B...
Draining board, 31... Rising part, 37.39... Covering part, 40A, 40B... Waterproof cover.

Claims (1)

[Claims] (1) In the sealing structure of an exterior wall panel in which a drain plate is provided at the joint between the exterior wall panel and roofing material of a building, the upper end of the drain plate is a rising part that rises in the vertical direction of the exterior wall panel, and the drain plate is The lower end is used as a covering part that covers the outer surface of the roofing material, and the upper end of the waterproof sheet is attached to the back of the outer wall panel, and the lower end of the waterproof sheet is attached to the outer surface of the rising part of the draining board. A seal structure for an exterior wall panel characterized by the following.