JPH09203188A - Attaching structure for exterior wall panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an attaching structure which is suitable for executing an exterior wall panel from an indoor side and attaching the exterior wall panel to a wall substrate material firmly and without causing distortion. SOLUTION: An exterior wall panel 1 is attached to a wall substrate material 2 through a fixture 3 attached to its back. The fixture 3 has a base part 14 to laterally cross the back of a connecting part C between the exterior wall panels 1 being vertically mutually adjacent. Engaging pieces 16,17 are provided at the upper and lower ends of the base part 12, and a fastening piece 15 is severally folded up at the edges of the base part 14. The upper and lower engaging pieces 16, 17 are engaged in the upper and lower engaging parts 9, 10 on the back of the exterior wall panel 1 to unify the fixture 3 and the exterior wall panel 1. The fastening piece 14 of the fixture 3 is abutted to the wall substrate material 2 and fixed with a fastening tool 17 such as a nail and a machine screw.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for an outer wall panel suitable for mounting from the indoor side of a wall base material.

[0002]

2. Description of the Related Art In a residential area, adjacent houses are built close to each other, and it may not be possible to form a scaffold between adjacent houses. In such a case, a scaffold is installed on the indoor side of the wall base material, and the outer wall panel is supported from the indoor side and attached to the wall base material. For example, in the case of a horizontal type outer wall panel, the flange wall at the upper edge of the male-female fitting portion is cut and raised toward the indoor side, and the cut and raised attachment piece is fastened to the wall base material with screws and nails.

Japanese Unexamined Patent Publication No. 7-3999 discloses a fitting that engages with a fitting portion on the upper edge side of the outer wall panel to prevent the outer wall panel from moving upward and tilting to the outside. (See FIGS. 56 and 59). This fixture has a mounting frame part having a U-shaped cross section that can be locked to a channel-made pillar of a wall base, and a locking part that engages with a fitting part of the outer wall panel. An engaging portion is integrally formed by bending at the lower edge of the front surface of the. The outer wall panel can be fixed to the pillar by locking the mounting frame portion to the pillar, fitting the locking portion into the fitting portion of the outer wall panel, and then fastening the mounting frame portion to the pillar with screws.

[0004]

As described above, according to the mounting structure for fixing the outer wall panel to the column via the mounting tool,
Since it is not necessary to form a mounting piece at the work site, the outer wall panel can be easily mounted from the indoor side.
Forming the mounting piece also avoids the disadvantage that the waterproof function of the cut-and-raised part deteriorates. The problem is that the engagement part by the fixture is limited to the fitting part on the upper edge side of the outer wall panel, and the fixture simply presses and holds the outer wall panel immovably upward, so the outer wall panel cannot be firmly fixed. During long-term use, solar heat causes warpage and unevenness on the outer wall, which tends to damage the appearance. When the outer wall panel is heated by the fire of the next house, the outer wall panel is largely warped and deformed by the expansion action of the surface plate, and the male and female fitting parts are dissociated,
There may be a fire from the dissociation part to the indoor side.

The object of the present invention is to provide a small gap with the next house,
It is an object of the present invention to provide a mounting structure for an outer wall panel that can easily and firmly mount the outer wall panel from the indoor side when the outer wall panel must be mounted from the indoor side of the wall base material. Another object of the present invention is to prevent the outer wall panel from being warped and deformed due to the expansion of the surface plate of the outer wall panel due to heat, and to eliminate the surface irregularity of the outer wall surface during long-term use. Another object of the present invention is to provide a mounting structure for an outer wall panel that can prevent the wraparound.

[0006]

In the panel mounting structure of the present invention, as shown in FIG. 1, a group of outer wall panels 1 which are long in one direction are adjacent to each other in the width direction via a connecting portion C provided at an edge in the longitudinal direction. The outer wall panels 1 are connected to each other and are fixed to the wall base material 2 via the fixtures 3 provided on the back surface side. A pair of engaging portions 9 and 10 are continuously provided along the longitudinal direction on the back surface sides of both edges of the outer wall panel 1 along the longitudinal direction. The fixture 3 includes a base portion 14 that crosses the connecting portion C in the width direction on the back surface of the outer wall panel 1.
And a fastening piece 15 that stands up from the base portion 14 to the indoor side, and the base portion 14 has an engagement piece 16 that engages with the adjacent engagement portions 9 and 10 with the connecting portion C interposed therebetween. 17 is provided. The engagement pieces 16 and 17 are engaged with the engagement portions 9 and 10 of the outer wall panel 1.1 which are adjacent to each other, and the fastening piece 15 is fixed to the wall base material 2 by the fastener 18 to fix the outer wall panel 1 to the wall foundation. Attach to material 2.

More specifically, a first fitting portion 7 and a second fitting portion 8 which can be fitted and engaged with each other are provided on both edges of the outer wall panel 1 in the longitudinal direction, and both fitting portions 7 and 8 are provided. Then, a pair of engaging portions 9 and 10 are bent and formed on the back surface of the panel. A fastening piece 15 is provided on the side edge of the base portion 14 between the engaging pieces 16 and 17 of the fixture 3.
Is provided.

[0008]

In the state where the outer wall panel 1 is attached to the wall base material 2, the fixture 3 traverses the back surface of the connecting portion C of the adjacent outer wall panels 1.1, and the engaging portion 9 adjacent to the connecting portion C.・
10 is engaged. Therefore, both edges in the longitudinal direction of the outer wall panel 1 are easily and firmly fixed by the fixtures 3 fixed to the wall base material 2.

[0009]

1 and 2 show a first embodiment of the present invention. In FIG. 1, reference numeral 1 is an outer wall panel, 2 wall base material, and 3 is a fixture. As shown in FIG. 2, the outer wall panel 1 is composed of a laterally long laterally sandwich panel which is composed of a front surface plate 4, a rear surface plate 5, and a core material 6 filled between the both plates 4 and 5. The upper wall and the lower wall of the outer wall panel 1 are respectively provided with a first fitting portion 7 and a second fitting portion 8 which can be fitted and engaged with each other, and upper and lower engaging portions 9 and 10 are provided on the back surface side of the panel. .

The first fitting portion 7 has a step portion 7a continuous with the upper edge of the main surface wall 4a of the surface plate 4, a fitting rib 7b having a rounded upper end, and a rear end of the fitting rib 7b. And a stepwise inner step wall 7c continuous to form a male shape. The standing wall that rises upward from the back end of the inner wall 7c is reversed on the back side to receive the wall 1
1 is formed continuously with the lower end of the receiving wall 11 and the upper engaging portion 9 is formed.
To form The engaging portion 9 is a groove having a C-shaped cross section that opens toward the indoor side.

The second fitting portion 8 is composed of a groove wall 8a having a concave cross section which is continuously provided on the lower edge of the main surface wall 4a of the surface plate 4.
The packing 12 is bonded and fixed to the inner rear end of the groove wall 8a. A standing wall 8b is continuously provided at the back end of the groove wall 8a.
And the lower engaging portion 10 is formed continuously. The engaging portion 10 is a groove having a C-shaped cross section that opens toward the indoor side, and the fixture 3 is hooked on the bent base end 10a.

The surface plate 4 is a coated steel plate, a stainless steel plate,
The back plate 5 is formed of a metal plate material such as an aluminum plate, and the back plate 5 is formed of the same metal plate material as the front plate 4, or a paper sheet, an aluminum sheet, or a composite sheet obtained by bonding the both. The core material 6 can be formed of hard plastic foam such as phenol foam, and is formed by including inorganic fibers as necessary.

In FIG. 2, the fixture 3 has a vertically long quadrangular base portion 14, a fastening piece 15 folded back toward the back side along the right side edge of the base portion 14, and an attachment provided at the upper and lower ends of the base portion 14. It is a press-formed product having joint pieces 16 and 17. The fastening piece 15 has a quadrangular main surface wall, and an insertion hole 19 for the fastener 18 is provided at the center of the plate surface in a penetrating manner.
The upper engaging piece 16 is formed by bending the upper end of the main surface wall of the base portion 14 into an inverted U shape, and is formed on the front surface side of the base portion 14 by a U-shape.
Provide so that the character wall is located. The lower engaging piece 17 is provided so as to project obliquely downward from the lower end of the main surface wall of the base portion 14, and the lower edge thereof is folded back to the surface side.

The wall base material 2 is formed by fixing wooden studs 2a at regular intervals on the outer surface of a furring strip (not shown) assembled from channel materials. A group of outer wall panels 1 is attached to the outer surface of the stud 2a in order from the base side to the upper side. Specifically, a new outer wall panel 1 is arranged adjacent to the upper stage of the already fixed outer wall panel 1, and the first fitting portion 7 of the lower outer wall panel 1 is arranged.
The second fitting portion 8 of the outer wall panel 1 on the upper stage is fitted into the above to connect the upper and lower outer wall panels 1.1. While maintaining this state, the fitting 3 is applied to the rear surface of the connecting portion C of both fitting portions 7 and 8, and the engaging piece 16 above the fitting 3 is attached to the upper outer wall panel 1.
The lower engaging piece 17 is inserted into and engaged with the upper engaging portion 9 of the outer wall panel 1 in the lower stage while being retained by the lower engaging portion 10 on the back surface of the.

Next, by sliding the entire fixture 3,
The fastening piece 15 is brought into contact with the side surface of the stud 2a so as to be in close contact therewith, and the fastener 17 such as a nail or a screw inserted into the insertion hole 18 is fastened to the stud 2a. When the stud 2a is formed of a metal shape member, the fastening piece 15 is fixed by using a fastener 18 such as a self-drilling screw, a screw screw, or a text screw.
The fixture 3 supports a plurality of locations in the longitudinal direction of the outer wall panel 1. Thereafter, the same procedure is repeated to form the outer wall.

The above-mentioned panel mounting work can be performed from the outside, but it is suitable especially when the space between the adjacent house is small and a scaffold cannot be assembled there. A predetermined number of fixtures 3 are sequentially attached to the back surface of the outer wall panel 1, and the fastening pieces 1
By fastening 5 to the stud 2a from the indoor side,
This is because the panel can be attached. In the panel-attached state, the upper and lower engaging pieces 16 and 17 of the fixture 3 fixed to the stud 2 a are the upper and lower engaging portions 9.1 of the outer wall panel 1.
0, and the base portion 12 is in close contact with the back surface of the connecting portion C of the outer wall panel 1 which is vertically adjacent to the base portion 12 while traversing vertically. Therefore, not only can the outer wall panel 1 be fixed so that it cannot move freely in the vertical direction, but also the panel surface can be reliably prevented from warping inward and outward, and surface irregularities of the outer wall during long-term use can be eliminated.

3A to 3C show another embodiment of the engaging portions 9 and 10 of the outer wall panel 1 and the upper and lower engaging pieces 16 and 17 of the fixture 3. Although the outer wall panel is shown by a silhouette in FIG. 3, it is constructed in the same manner as the above-mentioned embodiment.
In the outer wall panel 1 shown in FIG. 3 (a), the upper engaging portion 9 is formed as a groove having an inverted U-shaped cross section that opens toward the indoor side above the back surface of the outer wall panel 1, and the bent end 9a of the groove is formed. Fixture 3
The lower engaging piece 17 of the above is hooked from below the back surface. Further, the lower engaging portion 10 is formed as an inward U-shaped inverted U-shaped groove on the lower rear surface of the outer wall panel 1. Others are the same as the above-mentioned embodiment. The fixture 3 is the fixture 3 of the above embodiment.
Upside down and use.

In the outer wall panel 1 shown in FIG. 3B, the upper and lower engaging portions 9 and 10 are formed of a metal plate different from the surface plate 4. As described above, the engaging portions 9 and 10 can be formed of a plate material different from the surface plate 4.

The fixture 3 shown in FIG. 3 (c) has a base portion 1
4 is different from the previous embodiment in that two fastening pieces 15 are formed by bending up and down on one side of each of the four.

Upper and lower engaging portions 9.1 of the outer wall panel 1
0 and the upper and lower engaging pieces 16 and 17 of the fixture 3 can be implemented by changing the combination partner, respectively, and is not limited to the above combination form. Further, the cross-sectional shapes of the first fitting portion 7 and the second fitting portion 8 are not limited to those in the embodiment, and for example, the second fitting portion 8 may be formed in a multi-step groove shape, or may be formed by a plurality of adjacent grooves in the front and rear. By forming it, the existing fitting structure of the outer wall panel can be followed as it is. The panel mounting structure of the present invention can also be applied to mounting a vertically mounted outer wall panel. The outer wall panel 1 does not have to be a sandwich panel, but includes a shelf plate-shaped panel body obtained by bending a metal plate into a predetermined shape, and a panel body having a core material 6 attached to the back surface side thereof.

[0021]

According to the present invention, the fitting 3 is mounted on the rear surface of the connecting portion C of the outer wall panels 1 and 1 which are vertically adjacent to each other, and the connecting portion C is attached.
Even if the outer wall panel 1 is attached from the indoor side by engaging and fixing the engaging portions 9 and 10 adjacent to the outer wall panel 1 with the fixture 3, the outer wall panel 1 can be easily and reliably constructed. It can be firmly fixed to the wall base material 2, and the same wall strength and durability as when mounting the panel from the outdoor side can be obtained. Since the warp deformation of the outer wall panel 1 can be prevented, surface irregularities of the wall surface during long-term use can be well prevented, and even if the core material 6 that easily expands or contracts is provided in the panel, the outer wall can be kept for a long time. It can be kept flush and its appearance can be maintained in the same state as when it was constructed. The panel surface is warped and deformed due to a fire in the adjacent house, and a gap is created between the connecting portions C of the adjacent panels, and it is possible to reliably prevent the fire from entering the interior, and the fire resistance of the outer wall can be improved.

[Brief description of drawings]

FIG. 1 is a vertical sectional side view showing a mounting structure of an outer wall panel.

FIG. 2 is an exploded perspective view of an outer wall panel and a fixture.

FIG. 3 is a side view showing another embodiment of the structure of the engaging portion between the fixture and the outer wall panel.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outer wall panel 2 Wall base material 3 Fixture 7 1st fitting part 8 2nd fitting part 9/10 Engagement part 14 Base part 15 Fastening piece 16/17 Engaging piece 18 Fastening tool C Connecting part

Claims (2)

[Claims] 1. A group of outer wall panels 1 that are long in one direction are connected in a state of adjoining in the width direction via a connecting portion C provided at a longitudinal edge, and each outer wall panel 1 is provided on the back surface side. In the mounting structure of the outer wall panel fixed to the wall base material 2 via the mounting member 3, a pair of engaging portions 9 and 10 are provided on the back side of both edges along the longitudinal direction of the outer wall panel 1. The fixture 3 is provided continuously along the direction, and the fixture 3 is provided on the rear surface of the outer wall panel 1 with the connecting portion C.
Has a base portion 14 that traverses in the width direction, and a fastening piece 15 that stands up from the base portion 14 toward the indoor side. The base portion 14 has engaging portions 9 and 10 that are adjacent to each other with the connecting portion C interposed therebetween. Engaging pieces 16 and 17 for engaging with each other are provided. The engaging pieces 16 and 17 are engaged with the engaging portions 9 and 10 of the outer wall panel 1.1 adjacent to each other, and the engaging piece 15 is a fastener. An outer wall panel mounting structure that can be fixed to the wall base material 2 at 18. 2. On both edges of the outer wall panel 1 along the longitudinal direction,
A first fitting portion 7 and a second fitting portion 8 which can be fitted and engaged with each other are provided, and a pair of engaging portions 9 and 10 are continuously bent to both fitting portions 7 and 8 and bent to the back surface of the panel. The fastening piece 15 is formed on the side edge of the base portion 14 between the engaging pieces 16 and 17.
The outer wall panel mounting structure according to claim 1, wherein the outer wall panel mounting structure is provided.