JP2586821Y2 - Composite fireproof panel - 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 fireproof panel in which a metal panel is adhered to the surface of a fireproof panel made of a fireproof 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 is necessary to hit many nails, which makes the work complicated, and depending on the material of the fireproof panel, there are many problems such as cracking or chipping of the fireproof panel due to nailing. Was.

[0003]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems and aims to provide a composite fire-resistant panel in which the assembling operation is simple and the metal panel can be reliably prevented from falling off.

[0004]

The composite fireproof panel according to the present invention is a composite fireproof panel comprising a metal panel having bent pieces connected to the four circumferences of a main plate and bonded to the front side of the fireproof panel. A connecting piece is fixed to the bent piece part, a notch is provided on the back surface of the fireproof panel, and a holding metal part having a square plate-like holding plate part facing the bottom face of the notch part is fixed by a fastener. The holding plate portion is housed in the cutout portion by being fixed to a connecting piece.

As the fireproof panel in this 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. Tapping screws, small screws, bolts, rivets and the like are used as fasteners in the present invention.

[0006]

In the composite fireproof panel of the present invention, the fastener connects the connecting piece and the holding metal to integrate them. Even if the metal panel peels off from the fireproof panel due to the deterioration of the adhesive, the holding bracket integrated with the metal panel via the connecting piece
The rectangular plate-shaped holding plate portion engages with the bottom surface of the cutout provided on the back surface of the fireproof panel to prevent the metal panel from coming off the fireproof panel. By using two to several sets of connecting pieces and holding fittings per composite fireproof panel, it is possible to prevent the metal panel from falling off in the wall configuration state. Fastening of the holding metal and the connecting piece by the fastener may be performed at two or several locations per panel, so that no labor is required for the work. Further, the holding plate portion of the holding fitting is accommodated in the cutout portion of the fireproof panel and does not protrude to the rear surface side of the fireproof panel.

[0007]

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.

[0010] Reference numeral 10 denotes a metal plate holding metal provided at two upper corners of the fireproof panel 2, as shown in FIGS. 2 to 4, a bottom surface of a notch 8 provided on the back surface of the fireproof panel 2. 8a, and a rectangular plate-shaped holding plate portion 11, and the holding plate portion 11
The side plates 12 and 13 which face each other and face the side surface 2b and the top surface (the bottom surface 9a of the upper cutout 9 in which the step-like protrusion 2c of the fireproof panel 2 is cut out in this embodiment). And has a partial box shape. 14
Is a bent plate portion connected to the edge of the side plate portions 12 and 13.

Reference numeral 20 denotes a connecting piece made of an imaginary metal plate, the base of which is fixed to the bent piece 7 of the metal panel 3 by welding. The mounting plate portion 21 of the connecting piece 20 is superimposed on the side plate portion 12 of the holding bracket 10, and the mounting plate portion 21 and the side plate portion 12 are tightened and connected by a tapping screw (fastener) 30. Reference numeral 22 denotes a slit provided on the mounting plate portion 21 of the connecting piece 20.
Is fitted with a clearance.

In this embodiment, the holding fitting 10
A gap is provided between the holding plate portion 11 and the fireproof panel 2 (specifically, the bottom surface 8a of the notch 8), but this gap G is set to zero, and the holding plate portion 11 and the fireproof panel 2 are brought into contact with each other. You may keep it.

The mounting structure of the holding bracket 10 at the upper right corner of the panel in FIG. 1 is also the same as that of FIG. 2, and a symmetrical connecting piece is fixed to the bent piece 7 with respect to the connecting piece 20. The holding metal fitting 10 with the side plate part 12 facing upward is fastened to this connecting piece by a tapping screw 30.

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 deterioration of the adhesive, the holding plate portion of the holding fitting 10 is caused by this separation. When the gap G between the refractory panel 11 and the refractory panel 2 becomes zero, the rectangular plate-shaped holding plate 1
1 is hooked on the fireproof panel 2 and the metal panel 3 is prevented from coming off from the fireproof panel 2 any more.

Also, in this embodiment, since the bent plate portion 14 of the holding bracket 10 is fitted to the slit 22 of the connecting piece 20, even if the tapping screw 30 is sheared, the bent plate portion 14 is not split. Since the metal panel 3 is hooked on the edge of the metal panel 22 and holds the connecting piece 20 to prevent the metal panel 3 from coming off in the out-of-plane direction, the metal panel 3 is prevented from falling off twice, which is more secure. .

FIG. 5 shows a second embodiment of the present invention.
A holding member 15 having no bent plate portion 14 in FIG. 2,
The second embodiment differs from the first embodiment in that a connecting piece 23 having no slit 22 is used. However, the other structure is the same as that of the first embodiment. Detailed description is omitted (the same applies to other embodiments below).

FIG. 6 shows a third embodiment of the present invention.
The connecting piece 24 having an L-shaped cross section is fixed to the bent piece portion 7, and the bent plate portion 17 connected to the edge of the side plate portion 12 of the holding bracket 16 is overlapped with the bent plate portion 25 of the connecting piece 24. The bent plate portion 1 is formed by a self-tapping screw 30 whose axial direction is perpendicular to the main plate portion 4.
7 and the connecting piece 24 are tightened. In this embodiment, when the metal panel 3 receives an external force in a direction away from the refractory panel 2, a tensile force is applied to the tapping screw 30.

FIGS. 7 and 8 show a composite fire-resistant panel 41 according to a fourth embodiment of the present invention, in which the two metal-plate holding brackets 18 do not have the step-like projection 2c shown in FIG. 42 are disposed in the middle of the left and right sides. The holding bracket 18 is a square plate-shaped holding plate 1 in the above embodiment.
1 has an L-shaped cross section in which only the side plate portion 12 is continuously provided. The same connecting piece 23 as in the second embodiment is fixed to the middle part of the bent piece 7 of the metal panel 3.
And the side plate portion 12 of the holding bracket 18 are tightened and connected by the tapping screw 30. Reference numeral 43 denotes a cutout provided in the fireproof panel 42 for accommodating the holding plate 11.

This invention is limited to the above embodiments.
However, for example, the connecting pieces 20 and 23 are flat
Other shapes may be used.

In the above embodiment, two sets of connecting pieces and holding fittings are used for one composite fireproof panel. However, three or more sets of connecting pieces and holding fittings are used according to the size and shape of the panel. May be used. 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.

[0019]

[Effect of the invention] As described above, according to the invention,
The fastening operation of the connecting piece and the holding bracket by the fastener is performed on the panel 1
Since it suffices to perform the process on two to several places per sheet, no labor is required for the assembling work, and since there is no need to nail the fireproof panel, there is no risk of cracking or chipping of the fireproof panel. Also, the metal fittings can be reliably prevented from falling off from the fireproof panel by the holding fitting integrated with the connecting piece by the fastener. In addition, the holding plate of the holding bracket is fire resistant
It is housed in the notch on the back of the panel
The holding plate does not protrude to the back side of the fireproof panel, and the composite fireproof
Crimping of fireproof and metal panels during panel manufacturing
It does not hinder the stacking of panels during the process or during transportation.
When the wall is configured, the back side of the fireproof panel directly contacts the base material
Panel mounting in a stable manner.
You.

[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 is a rear perspective view of a composite fireproof panel showing a fourth embodiment of the present invention.

8 is a detailed perspective view of a portion B of the composite fireproof panel of FIG. 7;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Composite fireproof panel, 2 ... Fireproof panel, 2a ... Surface, 3
... Metal panel, 4 ... Main plate part, 5 ... Bend piece part, 6 ... Bend piece part, 7 ... Bend piece part, 8 ... Notch part, 8a ... Bottom face , 10 ... Holding bracket, 11 ... Hold plate part, Reference numeral 12: side plate portion, 13: side plate portion, 15: holding bracket, 16: holding bracket, 18: holding bracket, 20: connecting piece, 23: connecting piece, 24: connecting piece, 30
... Tapping screw (fastener), 41 ... Composite fireproof panel, 4
2 ... Fireproof panel , 43 ... Notch .

Claims (1)

(57) [Scope of request for utility model registration] 1. A composite refractory panel comprising a metal panel having a bent portion connected to four sides of a main plate portion bonded to a surface of a refractory panel, wherein a connecting piece is fixed to the bent portion. A notch is provided on the back surface of the fireproof panel, and a holding metal provided with a square plate-like holding plate facing the bottom of the notch is fastened to the connecting piece with a fastener, thereby fixing the holding plate. A composite fireproof panel housed in the notch.