JP2595407B2 - Joint structure between outer wall panels - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure between outer wall panels in a fire-resistant outer wall panel using a steel plate or the like as an exterior surface material.

[0002]

2. Description of the Related Art Conventionally, rock wool has been sprayed on the back surface of a steel sheet in order to secure a necessary fire resistance performance (for example, one hour of fire resistance) on an outer wall using a steel sheet such as a color iron sheet as an exterior surface material. Generally done. Further, a method of attaching an ALC plate as an outer wall and then attaching a steel plate as a finishing material is generally employed. However, each of the above-mentioned outer wall structures has a problem in that the number of steps required for on-site construction is large and the construction period is long.

On the other hand, in the outer wall panel of the panel construction method,
Various proposals have been made to improve fire resistance, and according to this, labor saving in on-site construction can be achieved.

[0004]

However, when a steel plate is used for the exterior and interior facing materials and a shaped steel or the like is used for the panel frame, heat is generated between the inner and outer facing materials via the panel frame. There is a problem that it is difficult to obtain sufficient heat insulation. For this reason, a plate made of a heat insulating material is interposed between the panel frame and the face material. However, since a step of arranging the heat insulating plate is required, the productivity of the panel deteriorates. There is. In addition, there is a problem that it is difficult to obtain sufficient waterproofness at the side joints of the conventional outer wall panel.

[0005]

It is an object of the present invention, heat insulation, with increased productivity, it is to provide a joint structure between the outer wall panel to improve the waterproof property can be achieved.

[0007]

Means for Solving the Problems A joint structure according to the present invention is described.
Applied to the outer wall panel, covered with a heat-insulating frame covering material to the frame member of each side of the panel frame, as the outer peripheral edge of the metallic outer surface material and interior facings were each Chozuke the frame covering member It is. A core made of a noncombustible material is provided in a space between the exterior facing material and the interior facing material. The panel frame is made of framed metal. The above-mentioned "non-combustible material" refers to a non-combustible material defined by the Building Standards Law and materials having the same properties.

[0008] The joint structure between the outer wall panels of the present invention is as follows.
It is a joint structure of a portion where the outer wall panels of this configuration are arranged vertically, between the frame covering material on the upper side of the lower outer wall panel and the frame covering material on the lower side of the upper outer wall panel,
Provide outdoor joints and indoor joints. These joint grooves are formed by cutouts respectively provided at the upper edge of the upper frame covering material on the outdoor side and at the lower edge of the lower frame covering material on the indoor side. The exterior facing material and the interior facing material of the upper and lower outer wall panels are wound up to positions covering the upper and lower surfaces of the outdoor joint groove and the indoor joint groove, respectively, and the exterior facing material of the lower outer wall panel is the outdoor joint groove. Stand up along the bottom of. Each joint groove is filled with a joint filler.

[0009]

According to the outer wall panel having the above structure , since the heat insulating frame covering material covers the panel frame, the transfer of heat between the exterior surface material and the interior surface material via the panel frame is reduced. In addition, the heat insulation between the face materials on both sides is improved.

[0010] According to the joint structure of the outer wall panel, outdoor side formed in the frame dressing and the exterior surface member in the indoor side of the eye Graben and winding the interior surface material, to fill the joint compound to the eye Graben, The waterproofness is improved, and the filling of the joint filler becomes easier. In addition, the frame covering material on the upper side of the panel is formed into a stepped cross section by notches for forming joint grooves, and a rising portion along the joint groove bottom is attached to the exterior surface material, so that secondary Waterproofness can be ensured.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 3, the outer wall panel 1 has a frame covering material 3 covering the frame material on each side of a panel frame 2 which is framed in a rectangular shape. A sandwich-shaped panel is sandwiched between the core members 6.

The panel frame 2 is made of a square pipe or a lightweight steel such as a channel steel or a C-shaped steel. The exterior facing material 4 and the interior facing material 5 are made of a steel plate such as a colored zinc iron plate, a stainless steel plate, and an enameled steel plate. The core material 6 is made of a non-combustible material composed of an inorganic foam (such as perlite), a binder (such as alkali silicate), and a curing agent (such as ferrosilicon or aluminum phosphate). The core 6 may be made of a non-combustible material such as rock wool.

The frame covering material 3 desirably has a heat insulating property and a non-flammability property and a certain strength (hardness).
Calcium silicate, cement-based non-combustible heat insulating material and the like are used. The frame covering material 3 has a groove-shaped cross section in which the fitting groove 7 of the panel frame 2 is provided on the inner peripheral surface, and an extruded product is adopted in consideration of productivity and freedom of cross-sectional shape. The frame covering 3 on the upper side of the panel has a cutout 3a on the upper edge on the outdoor side, and the frame covering 3 on the lower side of the panel has a cutout 3b on the lower edge on the indoor side.

FIG. 1 shows two outer wall panels 1 having the structure shown in FIG.
2 is an enlarged cross-section of a joint portion in which the upper and lower parts are arranged vertically. An outdoor joint groove 8 and an indoor joint groove 9 are formed between the upper and lower outer wall panels 1 and 1 by the cutouts 3a and 3b formed in the frame covering members 3 and 3, respectively. The exterior facing material 4 and the interior facing material 5 of both outer wall panels 1 and 1 are rolled up to positions covering the upper and lower surfaces of the outdoor joint groove 8 and the indoor joint groove 9, respectively. It is fixed to the frame covering material 3 by a fixing tool 11 such as. The exterior surface material 4 of the lower outer wall panel 1 has a rising portion 4 a formed along the bottom surface of the outdoor joint groove 8.

The joint groove 8 is filled with a backup material 12 such as a ceramic fiber and a sealing material 13 such as silicon as a joint filler 14. The indoor joint groove 9 is filled with a backup material 15 made of ceramic fiber as a joint filler.

The outer wall panel 1 is attached to the building frame by fixing fasteners made of angles or the like to a part of the upper and lower sides of the panel frame 2 by welding or the like, and connecting the pillars or beams of the building via the fasteners. It is carried out by fixing to the like.

FIG. 2 shows a joint structure at a place where two outer wall panels 1, 1 having the structure of FIG. 3 are arranged side by side. The vertical joint between both outer wall panels 1 and 1 is filled with a backup material 12 and a sealing material 13 made of the same material as the joint filler 14 on the outdoor side, and the backup material 15 is similarly jointed on the indoor side. Filled as filler.

According to the outer wall panel 1 having this configuration, since the panel frame 1 is made of a shaped steel such as a square pipe, the accuracy is high and the strength can be increased. The exterior facing material 4 and the interior facing material 5 are both made of steel plates, and are provided with a core material 6 made of a non-combustible material, so that they have excellent fire resistance. In addition, since the exterior panel 4 and the interior panel 5 are made of a sandwich panel in which a steel plate is used and an inorganic core material 6 is interposed therebetween, the panel is hardly damaged by an impact during construction, and is easily dressed.

The exterior facing 4 and the interior facing 5 are cut off at the panel edge so as not to contact each other.
Further, since it is fixed to the frame covering material 3 and is in contact with the metal panel frame 2, heat conduction transmitted from the exterior surface material 4 to the interior surface material 5 via the panel frame 2 is reduced,
Fire resistance is further improved. For these reasons, it is not necessary to spray rock wool or the like on the back surface of the panel as in the related art, and the construction period is shortened.

Since the frame covering material 3 is fitted to the panel frame 2 through the fitting groove 7, a heat insulating plate material is conventionally interposed between the inner and outer face materials and the panel frame. Installation is easier than in the case, and panel productivity is improved. Moreover, by covering the panel frame 2 with the frame covering material 3, the core material 6 can be easily filled, and the panel accuracy is improved.

At the upper and lower joints between the outer wall panels 1 and 1, the exterior facing material 4 and the interior facing material 5 are rolled into joint grooves 8 and 9 on the outdoor side and the indoor side, respectively, and the joint filling material 14 and the backup material 15 are provided. To fill, improves the waterproofness,
In addition, the joint filler 14 and the backup material 15 can be easily filled.

Moreover, the frame covering material 3 on the upper side of the panel is formed into a perforated cross section by forming the notch 3a.
Since the rising portion 4a is provided, secondary waterproofness can be secured against rainwater entering from the outdoor side, and the waterproofness is further improved.

Further, each joint filler 14 and backup material 15 also have an effect of blocking radiation heat between the exterior facing material 4 and the interior facing material 5 made of a steel plate, so that the heat insulating property is further improved.

FIG. 4A shows a horizontal cross section of a vertical joint portion of an outer wall panel according to another embodiment of the present invention. In this example, the vertical joint covering portion 4 that covers the panel opening surface of the exterior facing material 4
A protruding piece 4c protruding toward the center of the joint groove width is formed integrally at the inner end of b. Other configurations are the same as those in the above embodiment. In such a configuration, the backup material 12 can be positioned by the bent piece 4c, the backup material 12 can be inserted into an appropriate position, and the sealing material 13 can be properly filled. Further, when water leaks from the sealing material 13 due to long-term use or the like, the bent piece 4c also functions as a drainer for water leakage, and the watertightness is improved.

As shown in FIG. 4B, a bent piece 5c similar to the above may be provided in the vertical groove covering portion 5b of the interior facing material 5, so that the positioning of the backup material 15 on the indoor side can be achieved. I can do it.

FIGS. 5 and 6 show still another embodiment of the present invention. In this example, a back-up material 16 and a sealing material 17 are also filled as joint fillers 18 in the indoor joint groove 9 as in the outdoor side. In the case of this configuration, it is possible to reliably prevent water leaking into the inside of the panel from the indoor side.

In the case where the sealing members 13 and 17 are provided on both the outdoor and indoor sides as in this embodiment, FIG.
As shown in FIG. 7 (A) or FIG. 7 (B), projecting pieces 4a, 5a are provided on the exterior surface material 4 and the interior surface material 5 as in the embodiment of FIG. Water resistance can be obtained.

[0028]

Effects of the Invention outer wall panel for use in the joint structure of the invention, since the covered heat insulating property of the frame covering member to the panel frame, is relieved to be heat transfer through the panel frame between both sides of the face plate, Heat insulation is improved. The frame covering material can be mounted simply by covering the panel frame, and the provision of the frame covering material facilitates the filling of the core material, thereby improving the panel productivity. further,
Paneling can save labor on site work and shorten the work period.

Further, according to the joint structure of the outer wall panel of the present invention, the exterior facing material and the interior facing material are rolled into the outdoor side and indoor side joint grooves formed in the frame covering material, and the joint filling material is inserted into the joint grooves. , The waterproofness is improved, and the joint filler is easily filled. Moreover, a notch for forming an outdoor joint groove is provided in the frame covering material on the upper side of the panel, and a rising portion along the bottom surface of the joint groove is provided in the exterior surface material, so that secondary water rainwater entering from the outdoor side is provided. The waterproofness can be secured, and the waterproofness is further improved.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a joint structure of an outer wall panel according to one embodiment of the present invention.

FIG. 2 is a horizontal sectional view showing a joint structure of a vertical joint portion of the outer wall panel.

3A is a front view of the outer wall panel, FIG. 3B is a sectional view taken along line BB of FIG. 3A, and FIG. 3C is a sectional view of FIG.
It is a C line sectional view.

FIG. 4A is a horizontal sectional view showing a vertical joint portion of an outer wall panel according to another embodiment of the present invention, and FIG. 4B is a horizontal sectional view showing a vertical joint portion of an outer wall panel according to still another embodiment. is there.

FIG. 5 is a longitudinal sectional view showing a joint structure of an outer wall panel according to still another embodiment of the present invention.

FIG. 6 is a horizontal sectional view showing a joint structure of a vertical joint portion of the outer wall panel.

FIGS. 7A and 7B are horizontal cross-sectional views each showing a vertical joint portion of an outer wall panel according to still another embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Exterior wall panel, 2 ... Panel frame, 3 ... Frame covering material, 4 ... Exterior surface material, 4a ... Startup part, 5 ... Interior surface material, 6 ... Core material, 8 ... Outdoor side joint groove, 9 ... Indoor side Joint groove,
13 ... sealing material, 14 ... joint filler, 15 ... backup material (joint filler), 16 ... sealing material, 17 ...
Backup material, 18 ... joint filler

──────────────────────────────────────────────────の Continuation of the front page (51) Int.Cl. ⁶ Identification code Agency reference number FI Technical display location E04B 2/56 605 E04B 2/56 605E 611 611B 644 644B 645 645B 645F E04C 2/38 E04C 2/38 G (72) Inventor Ichiro Nakaoka 1-5-16 Awaza, Nishi-ku, Osaka-shi, Osaka Daiwa House Industry Co., Ltd. (72) Inventor Yoshinari Tsuda 1-5-16-1 Awaza, Nishi-ku, Osaka-shi, Osaka Daiwa House Industry Co., Ltd. Inside the company (72) Inventor Ichimaro Koshiishi 1-4-1-12 Kiba, Koto-ku, Tokyo Nikkei Urban Build Co., Ltd. (72) Inventor Noboru Noyama 1-4-2-12, Kiba, Koto-ku, Tokyo Nikkei Urban Build (56) References JP-A-54-100113 (JP, A) JP-A-55-92862 (JP U)

Claims (1)

(57) [Claims] 1. A joint structure between the outer wall panels arranged in top and bottom, each said outer wall panels were framed
Metal panel frame and each side of this panel frame
Insulating frame covering material over the frame material
A pair of facing surfaces each with an outer peripheral edge attached to the frame covering material
Metal exterior surface material and interior surface material
A core made of a non-combustible material provided in a space between the face materials.
An outdoor joint groove and an indoor joint groove are provided between the frame covering material on the upper side of the lower outer wall panel and the frame covering material on the lower side of the upper outer wall panel. It is formed by a notch provided in the lower edge of the frame covering material on the upper edge and the lower side on the indoor side, and the exterior facing material and the interior facing material of the upper and lower outer wall panels are located above the outdoor joint groove and the indoor joint groove, respectively. The joint structure between the outer wall panels wound up to the position covering the lower surface, and the outer facing material of the lower outer wall panel is raised along the bottom surface of the outdoor joint groove, and the joint filler is filled in each joint groove. .