JPS6120910Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a soffit base panel.

To construct the soffit of a general structure that is not a conventional fire-resistant structure, as shown in Fig. 1, after installing the beam cover 2 on the outdoor side of the roof beam 1, as shown in Fig. 2, install the soffit base panel 3. One end is fixed to the nose board 5 with nails 4, the other end is suspended and fixed to the rafter 7 with a hanging tree 6, the soffit board 8 is attached to the lower surface of the soffit base panel 3, and finally, the nose board 5 and an eaves decorative cover 9 is attached to the front of the eaves base panel 3. In this case, the top surface of the rafters 7 is covered with roofing boards 10 in advance.
is installed, and the upper part of the outer wall panel 11 is fitted into the recess on the lower surface of the roof beam 1. On the other hand, when creating a fire-resistant soffit structure, as shown in FIG. ' is attached. However, both eave ceiling boards 8,
8' at the same height, in the case of a fireproof soffit structure, the lower part of the nose plate 5 must be cut at the site by the thickness of the fireproof board 12, or a shorter nose board must be installed in advance by the thickness of the fireproof board 12. The plate must be attached, and when cutting the nose plate 5, the cutting operation is complicated, and when a short nose plate is attached, the number of parts increases.

Therefore, the object of this invention is to provide a soffit base panel that can be used to form a soffit in either a regular structure or a fire-resistant structure using nose plates of the same size.

An embodiment of this invention will be described with reference to FIGS. 4 to 6. That is, this soffit base panel A has a pair of horizontal beams 13 and 14 as shown in FIG.
A framework is constructed by orthogonally connecting a plurality of vertical bars 15 between them, and the lower surface of the framework is used as the attachment surface for the fire prevention board and the eaves ceiling board, and the upper surface of one horizontal bar 14 is connected to the other horizontal bar 13 and The horizontal bars 14 are connected to each other by being shifted above the vertical bars 15 so that the horizontal bars 14 are located above the upper surfaces of the vertical bars 15 by the thickness of the fireproof plate.

As a result of this configuration, when forming the soffit of a general structure, as shown in FIG. After fixing with step 4, a soffit board 8 is attached to the lower surface of the soffit base panel A to form the
On the other hand, when forming a fire-resistant soffit, as shown in FIG. After contacting the lower surface and fixing with nails 4, the fireproof board 12 and the eaves soffit board 8 can be attached to the lower surface of the eaves soffit base panel A, and in this case, the upper surface of one of the horizontal beams 14 is placed above the top surface of the vertical beam 15 by the thickness of the fire protection board 12, so the eave ceiling board 8 can be installed at the same height using the same nose board 5 with this eaves base panel A. Can be done. Of course, other eaves constituting members other than the nose plate 5 can also be the same, regardless of the general structure or fireproof structure. Also, horizontal bar 1
When the thickness of 4 is set to be the same as the thickness of the fire prevention board 12, it is only necessary to place the horizontal beam 14 on the end of the vertical beam 15 and connect them, and there is no need to make a reciprocal joint, so the processing cost can be reduced. .

As described above, the soffit base panel of this invention has a frame structure in which a plurality of vertical bars are orthogonally connected between a pair of horizontal bars, and the lower surface of the framework is the adhesion surface of the fire protection board and the soffit board. At the same time, because the top surface of one of the horizontal beams is placed at a position higher than the top surface of the frame by the thickness of the fireproof board, there is an effect that the soffit can be formed into both a general structure and a fireproof structure using nose boards of the same size. .

[Brief explanation of the drawing]

Figure 1 is a sectional view of a conventional general eaves structure, Figure 2
The figure is an enlarged sectional view of the main part, Fig. 3 is a sectional view of the main part of the fireproof eave structure, Fig. 4 is a perspective view of one embodiment of this invention, and Fig. 5 is the case where it is used in a general eave structure. The cross-sectional view and FIG. 6 are also cross-sectional views when used in a fireproof eaves structure. 8... Eave ceiling board, 12... Fire prevention board, 13, 14... Horizontal bar, 15... Vertical bar, A... Eave ceiling base panel.

Claims (1)

[Scope of utility model registration request] It is a soffit base panel constructed by orthogonally connecting a plurality of vertical bars between a pair of horizontal bars, and the lower surface of the framework is used as the attachment surface for the fire protection board and the eaves soffit board, and the fire protection board is attached from the top surface of the framework. A soffit base panel with the upper surface of one horizontal crosspiece placed at a higher position by the thickness of .