JP2526919Y2 - Composite fireproof panel for building - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite fire-resistant panel for a building in which a metal panel is attached to a surface of a fire-resistant panel made of a fire-resistant material.

[0002]

2. Description of the Related Art A conventional composite fireproof panel of this type is generally one in which a metal panel is simply bonded to a fireproof panel with an adhesive, but has the disadvantage that the metal panel falls off due to deterioration of the adhesive. Was. In order to remedy this drawback, there is a method in which a bent piece of a metal panel or a mounting piece fixed to this bent piece is fixed to a fireproof panel by nailing. Because of the small size, it was necessary to hit many nails, and the work was complicated.

[0003]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems and aims to provide a composite fireproof panel for building which can be easily assembled and can surely prevent metal panels from falling off. .

[0004]

According to a first aspect of the present invention, there is provided a composite fire-resistant panel for a building, wherein a metal panel having bent pieces connected to four sides of a main plate is bonded to the front side of the fire-resistant panel. In the composite fireproof panel, a connecting piece having a hooking piece extending toward a side surface of the fireproof panel is fixed to the bent piece, and two adjacent sides of a holding plate facing a back surface of the fireproof panel. A holding metal fitting, which is provided with a slit which is connected to a side plate portion and is opened toward a side edge of the side plate portion, is placed on an upper corner portion on the back side of the fireproof panel, and the slit of the holding metal fitting is connected to the connecting piece. Characterized in that it is engaged with the hooking piece.

[0005] The composite fire-resistant panel for construction according to the second invention of the present application is a composite fire-resistant panel comprising a metal panel in which bent pieces are continuously provided on the four circumferences of a main plate and bonded to the front side of the fire-resistant panel. A connecting piece having a slit opening toward a corner of the metal panel is fixed to the bent piece, and side plates are connected to two adjacent sides of a holding plate facing the back surface of the fireproof panel. Then, a holding bracket, which is provided with a hook piece extending toward the outside of the fire-resistant panel side portion fixed to the side plate portion, is put on an upper corner portion on the back side of the fire-resistant panel, and the hook piece of the holding metal fitting is attached to the holding piece. It is characterized in that it is engaged with the slit of the connecting piece.

A composite fire-resistant panel for construction according to the third invention of the present application is a composite fire-resistant panel in which a metal panel having bent pieces connected to four sides of a main plate is adhered to the front side of the fire-resistant panel. A connecting piece having a hooking piece extending toward a side surface of the fireproof panel is fixed to the bent piece, and side plates are connected to two adjacent sides of a holding plate facing the back surface of the fireproof panel. Then, a holding bracket, which is provided with a hook piece extending toward the outside of the fire-resistant panel side portion fixed to the side plate portion, is put on an upper corner portion on the back side of the fire-resistant panel, and the hook piece of the holding metal fitting is attached to the holding piece. It is characterized in that it is engaged with the hooking piece of the connecting piece.

As the fireproof panel in the present invention, a lightweight cellular concrete board, an asbestos cement calcium silicate board, an asbestos cement board, a gypsum board, a glass fiber reinforced gypsum board and the like are used. As the coated panel in the present invention, a copper plate, a stainless steel plate, a color iron plate, an aluminum plate, an enamelled aluminum plate, an enamelled iron plate, an enamelled aluminum plating steel plate, a synthetic resin coated steel plate, or the like is used.

[0008]

[Function] In the composite fireproof panel for building of the present invention,
When the metal panel peels off from the fireproof panel due to the deterioration of the adhesive, the connecting piece fixed to the metal panel causes the hook between the hooking piece and the slit edge (in the case of the first invention) and the hook on the slit edge. The hook is hooked to the holding metal by the hook with the piece (in the case of the second invention) or the hook between the hook piece and the hook (in the case of the third invention). The portion engages the back surface of the refractory panel to prevent the metal panel from coming off the refractory panel. By using two sets of connecting pieces and holding metal fittings per composite fireproof panel, it is possible to hold the upper part of the metal panel in the wall configuration state and prevent the metal panel from falling off.
Since it is sufficient to perform the operation at two locations per sheet, no labor is required for the operation.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. In the figure, reference numeral 1 denotes a composite fireproof panel, on the surface 2a side of a fireproof panel 2 made of a lightweight cellular concrete plate,
A metal panel 3 made of an enameled steel sheet is coated and adhered. The metal panel 3 is a surface 2a of the fireproof panel 2.
On the four circumferences of the main plate portion 4 opposing the bent portion 5 on the upper side of the panel, the bent portion 6 on the lower side, and the bent portion 7 on the side,
7 in a row. In this invention, the vertical direction of the panel refers to the vertical direction of the panel when the wall is configured.

Reference numerals 10a and 10b denote holding members made of a metal plate which cover the upper corners on the back side of the fireproof panel 2. The holding members 10a are, as shown in FIGS. In the example, the holding plate portion 11 facing the bottom surface 8a) of the notch portion 8, and the side surface 2b and the upper side surface of the fireproof panel 2 connected to the side and upper sides of the holding plate portion 11 (in this embodiment, the fireproof panel 2). A side plate portion 12 which is continuous with the bottom surface 9a) of the upper notch portion 9 in which the step-like protrusion 2c is cut out.
And 13 and has a partial box shape. 14 is
The slit is provided on the side plate portion 12 and extends in the vertical direction and opens toward the side edge 12a (the lower edge in this embodiment) of the side plate portion 12. Reference numeral 15 denotes a nail for stopping the nail that penetrates through the side plate portion 13 and is driven into the fireproof panel 2.

Reference numeral 20 denotes a connecting piece made of a metal plate, the base of which is fixed to the bent piece 7 of the metal panel 3 by welding. The distal end of the connecting piece 20 is bent and formed into an L shape, and a hooking piece 21 extending toward the side surface 2b of the fireproof panel is formed. The hook piece 21 is fitted with a clearance to the slit 14 of the holding fitting 10a.

The mounting structure of the holding fitting 10b at the upper right corner of the panel in FIG. 1 is also the same as that of FIG. 2, and the holding fitting 10 is symmetrical with respect to the holding fitting 10a.
b, the slit 14 of the holding fitting 10b is engaged with the hooking piece 21 of the connecting piece 20.

When the composite fireproof panel 1 is manufactured, after the metal panel 3 and the fireproof panel 2 are bonded, the holding fittings 10a and 10b (hereinafter collectively referred to as holding fittings 10) are hooked by the connecting piece 20 of the connecting piece 20 into the slit 14. While inserting 21, cover the upper corner of the rear surface side of the fireproof panel 2 and prevent the holding bracket 10 from coming off by driving in the nail 15.

After the wall surface of the building is formed by the composite fireproof panel 1 having the above structure, when the main plate portion 4 of the metal panel 3 is separated from the fireproof panel 2 due to the deterioration of the adhesive, the hooking piece portion of the connecting piece 20 is caused by this separation. When 21 is hooked on the edge of the slit 14 of the holding bracket 10, the metal panel 3
From the refractory panel 2 in an out-of-plane direction is prevented.

In this embodiment, the side plate 13 of the holding fitting 10 is fixed to the fireproof panel 2 by the nail 15.
At the time of manufacturing the panel, the holding bracket 10 placed on the upper corner of the back surface of the fireproof panel 2 can be prevented from coming off by the time of forming the wall surface at the construction site, and the connecting piece 2 can be formed after the wall surface is formed.
0 can prevent the holding metal fitting 10 pulled out from the upper corner portion. After the wall surface is configured, the adjacent composite fireproof panel, the base material for panel attachment, the building frame, and the like are present in the vicinity of the holding metal fitting 10. Therefore, even if the fastening force of the nail 15 is small, the holding metal fitting 10 is It does not leave the upper corner.

FIG. 5 shows a second embodiment of the present invention.
The base of a connecting piece 22 made of an inazular metal plate is fixed to the bent piece 7 of the metal panel 3, and an intermediate portion of the connecting piece 22 faces upward toward the corner 3 a of the metal panel 3. A slit 23 is provided which opens at the bottom. The holding bracket 16 covering the upper corner on the back side of the fireproof panel 2 having no step-like protrusion 2c in FIG. 1 is provided on the tip edges of the side plates 12 and 13 toward the outside of the side of the fireproof panel 2. Hanging piece 1 extending
7 are connected in series, and one hooking piece 17 is
Is engaged with the slit 23. The other structure is the same as that of the first embodiment. In the drawing, the same parts as those of FIG. 2 are denoted by the same reference numerals, and detailed description is omitted (the same applies to other embodiments).

In this embodiment, the hooking piece 17 and the slit 23 provide a locking action between the holding bracket 16 and the connecting piece 22.

FIG. 6 shows a third embodiment of the present invention.
A connecting piece 20 similar to that shown in FIG. 2 is fixed to the metal panel 3, and a hooking piece 17 similar to that shown in FIG. And one of the hooking pieces 17 is connected to the hooking piece 21 of the connecting piece 20.
Is engaged.

In this embodiment, the hooking piece 17 and the hooking piece portion 21 provide a locking action between the holding bracket 18 and the connecting piece 20.

FIGS. 7 and 8 show another embodiment of the connecting piece 20 shown in FIG. 6, in which a slit 25 opening upward to the abdominal plate portion 24a of the connecting piece 24 having a substantially U-shaped cross section is provided. The hook piece 26 is formed, and the tip of the side plate 12 of the holding member 18 as shown in FIG. 6 is fitted into the slit 25, and the hook piece 17 is engaged with the hook piece 26. .

In this embodiment as well, the hooking piece 17 and the hooking piece portion 26 provide a locking action between the holding bracket 18 and the connecting piece 24.

The present invention is not limited to the above embodiments. For example, the connecting piece 20 may have a shape other than the above, such as a flat plate. Further, in the above embodiment, the holding plate portion 11 of the holding fitting is accommodated in the cutouts 8 and 43 of the fireproof panel. This is convenient because it does not hinder the stacking of the panels during transportation. However, in some cases, these cutouts may be omitted and the holding plate 11 may project from the back of the panel.

The hook pieces 21 and 26 of the connecting piece and the hook piece 17 of the holding bracket may be formed by an L-shaped bend as in the above embodiment, or may be formed by a V-shaped bend. Often, in this case, catching with a slit or the like becomes more reliable. Further, in the above-described embodiment, the connecting piece is fixed to the bent piece 7 on the side of the metal panel 3. Instead, the connecting piece is fixed near both ends of the bent piece 5 on the upper side and held. The fitting may be fitted from the side of the fireproof panel.

Further, in the above embodiment, the holding fitting is fixed to the fireproof panel 2 by the nail 15 for preventing the detachment. However, an adhesive may be used instead, or the connecting piece and the side plate 12 of the holding fitting may be used.
The hooking piece 17 may be stopped with a screw, and further, for example, when the holding fitting is put on the fireproof panel at the site where the wall surface is formed, these detachment preventing means may be omitted. Although the above description has been given of a horizontally long composite fire-resistant panel, it is a matter of course that the present invention can be applied to a vertically long composite fire-resistant panel.

[0025]

[Effect of the invention] As described above, according to the invention,
The work of attaching the holding bracket to the fireproof panel may be performed at two locations per panel, so that the assembly work is easy and requires no labor. Also, the metal panel can be reliably prevented from falling off from the fire-resistant panel by the connecting piece fixed to the metal panel and the holding metal fitting it and engaging with the back surface of the fire-resistant panel.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view of the rear side of a composite fireproof panel showing a first embodiment of the present invention.

FIG. 2 is a perspective view of a part A of the composite fireproof panel of FIG.

FIG. 3 is a cross-sectional view of a holding metal part of FIG. 2;

FIG. 4 is a longitudinal sectional view of a holding metal part of FIG. 2;

FIG. 5 is a diagram corresponding to FIG. 2 showing a second embodiment of the present invention.

FIG. 6 is a view corresponding to FIG. 2 showing a third embodiment of the present invention.

FIG. 7 shows another embodiment of the connecting piece in FIG. 6;
FIG.

FIG. 8 is a cross-sectional view of the connecting piece portion of FIG. 7;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Composite fireproof panel, 2 ... Fireproof panel, 2a ... Surface, 2
b ... side surface, 3 ... metal panel, 3a ... corner portion, 4 ... main plate portion, 5 ... bending piece portion, 6 ... bending piece portion, 7 ... bending piece portion, 10
a: holding metal, 10b: holding metal, 11: holding plate, 1
2 ... side plate portion, 12a ... side edge, 13 ... side plate portion, 14 ... slit, 16 ... holding fitting, 17 ... hook piece, 18 ... holding piece, 20 ... connection piece, 21 ... hook piece section, 22 ... connection piece , 2
3: slit, 24: connecting piece, 26: hooking piece.

Claims (3)

(57) [Scope of request for utility model registration] 1. A composite fireproof panel comprising a metal panel having a bent piece connected to four sides of a main plate and bonded to the front side of the fireproof panel, wherein a hook piece extending toward a side surface of the fireproof panel is provided. A slit provided with the connecting piece secured to the bent piece, a side plate connected to two adjacent sides of the holding plate facing the back surface of the fireproof panel, and opened toward the side edge of the side plate. A composite fire-resistant panel for building, wherein a holding metal fitting comprising a metal cover is placed on an upper corner portion on the back side of the fire-resistant panel, and a slit of the holding metal fitting is engaged with a hook piece of the connecting piece. . 2. A composite fireproof panel in which a metal panel having bent pieces connected to four sides of a main plate is adhered to the front side of the fireproof panel, wherein the slit is opened toward a corner of the metal panel. Is fixed to the bent piece portion, a side plate portion is continuously connected to two adjacent sides of the holding plate portion facing the back surface of the fireproof panel, and the side plate portion is provided on the outside of the fireproof panel side portion. A holding metal member having a hook piece extending in the opposite direction is fixed on an upper corner of the rear surface of the fireproof panel, and the hook piece of the holding metal member is engaged with a slit of the connecting piece. Building composite fireproof panel. 3. A composite fire-resistant panel comprising a metal panel having a bent portion connected to four sides of a main plate and bonded to the surface of the fire-resistant panel, wherein a hook piece extending toward a side surface of the fire-resistant panel is provided. The connecting piece provided is fixed to the bent piece part, side plate parts are continuously connected to two adjacent sides of the holding plate part facing the back surface of the fireproof panel, and the side plate part is directed outward of the side of the fireproof panel. A holding metal fitting having a hook piece extending therefrom is fixed on the upper corner of the rear surface of the fireproof panel, and the hook piece of the holding metal fitting is engaged with the hook piece portion of the connecting piece. Composite fireproof panel for building.