JP6754192B2 - Outer wall panel support structure - Google Patents

Description

The present invention relates to an outer wall panel support structure for assembling an outer wall panel to a base material or the like of a building.

As a conventional structure for assembling an outer wall panel to a base material of a building or the like, for example, a unit type building in which a plurality of building units are manufactured in advance at a factory and these building units are assembled at a construction site is known (see Patent Document 1). As a means for assembling the outer wall panel to be the outer wall of the building, the engaging member is attached to the side surface of the building unit, while the engaged member is attached to the back surface of the outer wall panel, and the outer wall panel arranged outside the side surface of the building unit is laterally attached. By sliding and moving in the direction, the engaging member of the building unit and the engaged member of the outer wall panel are engaged, and the outer wall panel is arranged and assembled at a predetermined position on the side surface of the building unit.

However, in the above-mentioned conventional outer wall panel support structure, it is necessary to attach an engaged member not only to the engaging member attached to the side surface of the building unit but also to the back surface of the outer wall panel, and the engaged member is also attached. Since it is necessary to match the shape of the member with the shape of each engaging member of the building unit, there is a problem that the manufacturing man-hours and the manufacturing cost increase.

Japanese Unexamined Patent Publication No. 5-255983

Therefore, the problem to be solved by the present invention is to reduce the manufacturing man-hours and manufacturing costs by simplifying the support structure when assembling the outer wall panel to the building, and to speedily assemble the outer wall panel. Is to provide.

In order to solve the above problems, in the outer wall panel support structure according to the present invention, the upper end of the outer wall panel is formed by an upper frame extending between the columns and an upper rail and a lower rail respectively arranged on the lower frame. It is a support structure of the outer wall panel that supports the lower end and the lower end, and the upper rail has an upper fitting groove into which the upper end of the outer wall panel is fitted and an upper end holding portion that sandwiches the upper end of the outer wall panel, and the lower rail is a lower frame. It is composed of a back member fixed to the back member and a front member detachably attached to the back member, and by attaching the front member to the back member, the lower fitting groove into which the lower end of the outer wall panel is fitted and the lower end of the outer wall panel are sandwiched. A lower end holding portion is formed .

Further, in one embodiment of the present invention, the upper end holding portion has a pair of upper holding pieces that come into contact with both sides of the outer wall panel when the upper end of the outer wall panel is sandwiched, and the lower end holding portion sandwiches the lower end of the outer wall panel. At that time, it has a pair of lower holding pieces that abut on both sides of the outer wall panel.

Further, in one embodiment of the present invention, the pair of upper holding pieces abut on the upper end of the outer wall panel at positions displaced vertically from each other, and the pair of lower holding pieces abut on the outer wall panel at positions displaced vertically from each other. Contact the lower end of.

Further, in one embodiment of the present invention, when a plurality of the outer wall panels are arranged in the left-right direction, a fastener for connecting the side ends of adjacent outer wall panels is provided, and the fastener is a side end of one outer wall panel. It has a concave engaging portion that fits into the convex portion provided on the outer wall panel and a convex engaging portion that fits into the concave groove portion provided on the side end of the other outer wall panel, and the convex portion is inserted through the fastener. The strip fits into the groove.

According to the outer wall panel support structure according to the present invention, since the outer wall panel is supported by the fitting grooves and the sandwiching portions provided on the upper rail and the lower rail, respectively, the manufacturing man-hours and the manufacturing cost are very simple. And the outer wall panel can be assembled speedily.

Further, since the holding portion has a pair of holding pieces that come into contact with both sides of the outer wall panel when the end portion of the outer wall panel is sandwiched, the end portion of the outer wall panel can be firmly supported.

Further, since the pair of holding pieces abut on the end portion of the outer wall panel at positions shifted in the vertical direction from each other, more stable panel support is possible.

Further, a fastener for connecting the side ends of adjacent outer wall panels is provided, and the fastener fits into a concave groove portion provided at the side end of one outer wall panel, and a convex engaging portion for fitting the other outer wall panel. It has a concave engaging portion that fits into the convex portion provided at the side end, and the convex portion fits into the concave groove portion via this fastener, so that a gap or the like is created between the side ends. The adjacent outer wall panels are supported as an integral part.

It is a perspective view of the outer wall panel support structure which concerns on one Embodiment of this invention. It is a side view when fitting the outer wall panel into the upper and lower rails. It is a side view of the state where the outer wall panel is supported by the upper and lower rails. It is a top view which shows the uneven shape of the side end of the outer wall panel, and the fastener. It is a top view which shows the support structure of the side end of the outer wall panel. It is a perspective view which shows the other embodiment of a fastener.

Hereinafter, embodiments of the outer wall panel support structure according to the present invention will be described in detail with reference to the accompanying drawings. 1 to 5 show an embodiment of the outer wall panel support structure according to the present invention. As shown in FIG. 1, in this embodiment, the upper rail 3 is arranged on the upper frame 2a stretched between the pillars 1 and the lower rail 4 is arranged on the lower frame 2b, and the upper and lower rails are arranged. The third and fourth walls support the plurality of outer wall panels 5. The upper frame 2a and the lower frame 2b are made of H-shaped steel, and as shown in FIGS. 2 and 3, the L-shaped base material 20a for fixing the upper rail 3 along the upper flange of the upper frame 2a. Is provided, and an L-shaped base material 20b for fixing the lower rail 4 is provided along the lower flange of the lower frame 2b.

As shown in FIGS. 2 and 3, the upper rail 3 is a long member having a substantially U-shaped cross section extending along the upper frame 2a, and is an L-shaped base fixed to the upper frame 2a over the entire length. The back surface portion 3a welded to the material 20a, the upper surface portion 3b, and the front surface portion 3c form an upper fitting groove 3d into which the upper end 5a of the outer wall panel 5 is fitted. Further, an upper holding piece 6a having a U-shaped cross section protruding inward is provided below the back surface portion 3a, and an upper holding piece 6b that bends inward is provided at the lower end of the front surface portion 3c. .. Then, the upper end holding portion 6 for sandwiching the upper end 5a of the outer wall panel 5 fitted in the upper fitting groove 3d from both sides is formed by the pair of upper holding pieces 6a and 6b. As shown in FIG. 3, in the upper end holding portion 6, the distance L1 between the pair of upper holding pieces 6a and 6b substantially corresponds to the thickness dimension of the upper end 5a of the outer wall panel 5, and the upper fitting groove The upper holding pieces 6a and 6b abut and support both sides of the upper end 5a of the outer wall panel 5 fitted in the 3d. Further, since the back surface portion 3a and the front surface portion 3c of the upper rail 3 have an elastic action, the upper holding pieces 6a and 6b slightly abut on both sides of the upper end 5a of the outer wall panel 5 to exert a more holding effect. To do. Further, the upper holding pieces 6a and 6b are provided at positions displaced from each other in the vertical direction, and particularly in this embodiment, one upper holding piece 6b that abuts on the outer surface of the outer wall panel 5 is above the outer wall panel. While abutting at a position close to the end surface 5c, the other upper holding piece 6a that abuts on the inner surface of the outer wall panel 5 abuts at a position lower than the position where the one upper holding piece 6b abuts.

On the other hand, the lower rail 4 is a long member having a substantially U-shaped cross section extending along the lower frame 2b, and is detachable from the back member 7 fixed to the lower frame 2b over the entire length and the back member 7. It is formed of a front member 8 attached to the above. In the back member 7, the back surface portion 7a is welded to the L-shaped base material 20b fixed to the lower frame 2b, and the lower surface portion 7b that bends inward from the lower end of the back surface portion 7a and the lower surface portion 7b. It has a mounting flange 7c that bends downward from the tip. On the other hand, the front member 8 is formed from a front portion 8a that is shorter than the back portion 7a of the back member 7, a lower surface portion 8b that bends inward from the lower end of the front surface portion 8a, and a tip of the lower surface portion 8b. It has a mounting flange 8c that bends downward.

The back member 7 and the front member 8 are integrally connected by facing one mounting flange 7c and the other mounting flange 8c and tightening the mounting flanges 7c and 8c with screws 9, and the lower rail 4 To form. The lower rail 4 is fitted with the lower end 5b of the outer wall panel 5 by the back portion 7a of the back member 7, the front portion 8a of the front member 8, and the pair of lower surface portions 7b, 8b of both members 7, 8. The lower fitting groove 10 will be formed. Further, a lower holding piece 11a that bends inward is provided at the upper end of the back surface portion 7a, and a lower holding piece 11b that bends inward is provided at the upper end of the front surface portion 8a. Then, the lower end holding portion 11 for sandwiching the lower end 5b of the outer wall panel 5 fitted in the lower fitting groove 10 from both sides is formed by the pair of lower holding pieces 11a and 11b. As shown in FIG. 3, in the lower end holding portion 11, the distance L2 between the pair of lower holding pieces 11a and 11b substantially corresponds to the thickness dimension of the lower end 5b of the outer wall panel 5, and the lower fitting groove The lower holding pieces 11a and 11b abut and support both sides of the lower end 5b of the outer wall panel 5 fitted in the 10. Further, since the back surface portion 7a of the back surface member 7 and the front surface portion 8a of the front surface member 8 have an elastic action, the lower holding pieces 11a and 11b come into contact with both sides of the lower end 5b of the outer wall panel 5 with a slight pressure. Demonstrates a pinch effect. Further, the lower holding pieces 11a and 11b are provided at positions displaced from each other in the vertical direction, and particularly in this embodiment, one lower holding piece 11b that abuts on the outer surface of the outer wall panel 5 is the outer wall panel 5. While abutting at a position close to the lower end surface 5d, the other lower holding piece 11a that abuts on the inner surface of the outer wall panel 5 abuts at a position above the position where the one lower holding piece 11b abuts.

The outer wall panel 5 is a rectangular flat plate in which the upper end 5a and the lower end 5b are supported by the upper rail 3 and the lower rail 4, respectively, and the entire flat plate is formed on the holding portions 6 and 11 of the upper rail 3 and the lower rail 4. It has a corresponding thickness. Further, as shown in FIGS. 1 and 4, concave groove portions 12 are provided at one side end of the outer wall panel 5 so that both side ends of the adjacent outer wall panels 5 fit each other. At the other side end, a ridge portion 13 that fits into the concave groove portion 12 via a fastener 14 is provided. The material of the outer wall panel 5 is not particularly limited.

The fastener 14 is a connecting auxiliary tool for firmly connecting both side ends of adjacent outer wall panels 5, and as shown in FIGS. 1 and 4, a convex portion that fits into the concave groove portion 12 of the outer wall panel 5. It has a shaped engaging portion 15 and a concave engaging portion 16 into which the convex portion 13 of the outer wall panel 5 is fitted. The fastener 14 is formed by bending a single metal thin plate into a convex engaging portion 15 and a concave engaging portion 16, and the convex engaging portion is formed by the uneven shape on one surface side of the metal thin plate. 15 is formed, and the concave engaging portion 16 is formed by the uneven shape on the back surface side thereof. The convex engaging portion 15 has outer surfaces 15a, 15b, 15c that support the inner side surfaces 12a, 12b, 12c of the concave groove portion 12, and the concave engaging portion 16 has an outer surface of the convex portion 13. It has inner surfaces 16a, 16b, 16c that support 13a, 13b, 13c.

Further, the fastener 14 has a flat plate-shaped fastening portion 17 projecting outward from one side of the convex engaging portion 15, and the fastening portion 17 is connected to the upper rail 3 and the lower rail. It is brought into contact with the horizontal furring strip 19 stretched at a position substantially intermediate with 4, and is tightened and fixed to the horizontal furring strip 19 by the tapping screw 21. In this embodiment, the fastener 14 is fixed to the horizontal furring strip 19, but it can also be fixed to the base material of a building other than the horizontal furring strip 19. Further, as another embodiment of the fastener, as shown in FIG. 6, the fastener portion 27 of the fastener 24 may be formed so as to cover and fix the horizontal furring strip 19. The fastening portion 27 is formed in a U shape by the flat fixing portion 17 of the fastener 14 and the holder piece 18 extending in an L shape from the upper end of the fastening portion 17. The fastener 24 can be fixed by covering the lateral furring strip 27 from above and fitting the fastening portion 27 on both side surfaces of the horizontal furring strip 19, and it is not necessary to use tapping screws. In addition, the fastener can be fixed to the horizontal furring strip or a base material other than the horizontal furring strip by various means.

Next, a method of assembling the outer wall panel 5 will be described. As shown in FIGS. 1 and 2, the upper end 5a of the outer wall panel 5 is first inserted into the upper fitting groove 3d of the upper rail 3, and the upper end surface 5c is lifted until it hits the upper surface portion 3b of the upper fitting groove 3d, and is vertically as it is. The outer wall panel 5 is brought closer to the lower rail 4 so as to be close to the lower rail 4, and when the front member 8 constituting the lower rail 4 is overcome, the outer wall panel 5 is lowered and fitted into the lower fitting groove 10 of the lower rail 4, as shown in FIG. The lower end surface 5d is placed on the lower surface portion 7b of the back surface member 7 and the lower surface portion 8b of the front surface member 8. At that time, as shown in FIG. 2, the screws 9 of the mounting flanges 7c and 8c of the lower rail 4 are loosened so that the lower end 5b of the outer wall panel 5 can easily get over the front member 8.

Next, the outer wall panel 5 whose upper and lower ends are supported by the upper rail 3 and the lower rail 4 as described above is slid on the rail to a predetermined position. Then, as shown in FIG. 5A, after the first outer wall panel 5-1 is slid to a predetermined position, the ridge portion provided at the rear end of the outer wall panel 5-1 in the sliding direction is provided. The concave engaging portion 16 of the fastener 14 is fitted into 13. As shown in FIG. 1, the height position of the fastener 14 is approximately an intermediate position in the height direction of the outer wall panel 5 corresponding to the horizontal furring strip 19. The fastener 14 is fixed to the lateral furring strip 19 with the tapping screw 21 while the fastener 14 is fitted to the convex portion 13 at the rear end of the outer wall panel 5-1.

The second outer wall panel 5-2 was also slid to a predetermined position with the upper and lower ends supported by the upper rail 3 and the lower rail 4 in the same manner as described above, and is shown in FIGS. 5 (a) and 5 (b). As described above, the concave groove portion 12 provided at the front end in the sliding direction is fitted into the ridge engaging portion 15 of the fastener 14 fixed to the horizontal furring strip 19. In this way, the adjacent side ends of the outer wall panel 5 are fitted into the concave engaging portion 16 and the convex engaging portion 15 of the fastener 14 so as to overlap each other and engage with each other. As a result, since no gap or the like is generated at the adjacent both side ends of the outer wall panel 5, the side ends of the left and right outer wall panels 5 can be easily processed. Further, since the both side ends are overlapped with each other and become one, the panel strength is increased, and the panel is firmly fixed to the lateral furring strip 19 via the fastener 14.

The third outer wall panel 5-3 and the remaining outer wall panel 5 are slid to a predetermined position by the same means as described above, and the adjacent side ends are fixed to the lateral furring strip 19 via the fastener 14. After all the outer wall panels 5 have been arranged at predetermined positions, the mounting flanges 7c and the mounting flanges 8c of the lower rail 4 are tightened with screws 9 as shown in FIG. In this state, the upper end 5a of the outer wall panel 5 is fitted into the upper fitting groove 3d of the upper rail 3 and is sandwiched by the upper end holding portion 6. Specifically, a pair of upper holding pieces 6a and 6b abut on both sides of the upper end 5a to support the upper end 5a so as to sandwich the upper end 5a. On the other hand, the lower end 5b of the outer wall panel 5 is fitted into the lower fitting groove 10 of the lower rail 4 and is sandwiched by the lower end holding portion 11. Specifically, a pair of lower holding pieces 11a and 11b are in contact with each other on both sides of the lower end 5b to support the lower end 5b so as to sandwich it. The positions of the upper holding pieces 6a and 6b and the lower holding pieces 11a and 11b in contact with the outer wall panel 5 are displaced in the vertical direction. That is, since the upper holding pieces 6a and 6b and the lower holding pieces 11a and 11b each abut and support the outer wall panel 5 at two different height directions, the upper and lower ends of the outer wall panel 5 are more reliably supported. Can be sandwiched and supported. Further, in this embodiment, both the upper end holding portion 6 and the lower end holding portion 11 are supported by the holding pieces 6b and 11b on the outer side of the panel near the upper and lower end surfaces 5c and 5d of the outer wall panel 5, so that the outer wall panel 5 is supported. Since the width dimension of the front surface portion 3c of the upper rail 3 and the front surface portion 8a of the lower rail 4 that can be seen from the outside as the upper and lower edge members can be suppressed, the appearance from the outside is not impaired.

As described above, in the outer wall panel 5, the upper and lower ends 5a and 5b are securely supported by the upper and lower rails 3 and 4, and both side ends are firmly fixed to the lateral furring strip 19 via the fastener 14. Will be. Further, in the above-mentioned outer wall panel support structure, since the outer wall panel 5 can be assembled by a simple means of simply sliding the outer wall panel 5 along the upper rate 3 and the lower rail 4, the assembly of the outer wall of the building becomes extremely speedy. Further, in the above-mentioned outer wall panel support structure, since the panel surface of the outer wall panel 5 is not scratched at all, both sides of the outer wall panel 5 can be used as the outer wall of the building.

Needless to say, the shapes of the upper rail 3, the lower rail 4, the upper end holding portion 6, the lower end holding portion 11, and the fasteners 14, 24 and the like described above are not limited to the shapes of the above-described embodiment. Further, the outer wall panel 5 of the present invention includes not only the outer wall of the building but also an exterior panel in which the surface of the outer wall is covered for the purpose of decoration or the like.

1 Pillar 2a Upper frame 2b Lower frame 3 Upper rail 3a Back part 3b Top part 3c Front part 3d Upper fitting groove 4 Lower rail 5 Outer wall panel 5a Upper end 5b Lower end 6 Upper end holding part 6a, 6b Upper holding piece 7 Back member 7a Part 7b Lower surface 7c Mounting flange 8 Front member 8a Front surface 8b Lower surface 8c Mounting flange 9 Screw 10 Lower fitting groove 11 Lower holding piece 11a, 11b Lower holding piece 12 Concave groove 12a, 12b, 12c Inner side surface 13 Convex part 13a, 13b, 13c Outer side surface 14,24 Fastener 15 Convex engaging part 15a, 15b, 15c Outer side surface 16 Concave engaging part 16a, 16b, 16c Inner side surface 17,27 Fastening part 18 Holder piece 19 Horizontal furring strip 20a, 20b L-shaped base material 21 tapping screw

Claims (5)

It is a support structure of the outer wall panel that supports the upper and lower ends of the outer wall panel by the upper frame hung between the pillars and the upper rails and lower rails arranged on the lower frame, respectively.
The upper rail has an upper fitting groove into which the upper end of the outer wall panel is fitted and an upper end holding portion for sandwiching the upper end of the outer wall panel.
The lower rail is composed of a back member fixed to the lower frame and a front member detachably attached to the back member, and a lower fitting groove into which the lower end of the outer wall panel is fitted by attaching the front member to the back member. An outer wall panel support structure in which a lower end holding portion that sandwiches the lower end of the outer wall panel is formed . The upper end holding portion has a pair of upper holding pieces that come into contact with both sides of the outer wall panel when the upper end of the outer wall panel is sandwiched.
The outer wall panel support structure according to claim 1, wherein the lower end holding portion has a pair of lower holding pieces that come into contact with both sides of the outer wall panel when the lower end of the outer wall panel is sandwiched. The second aspect of claim 2, wherein the pair of upper holding pieces abuts on the upper end of the outer wall panel at positions displaced vertically from each other, and the pair of lower holding pieces abuts on the lower end of the outer wall panel at positions displaced vertically. Exterior wall panel support structure. In the pair of upper holding pieces, one upper holding piece that abuts on the outer surface of the outer wall panel abuts at a position close to the upper end surface of the outer wall panel, while the other upper holding piece that abuts on the inner surface of the outer wall panel is said. Abut at a position below the position where one of the upper holding pieces abuts,
In the pair of lower holding pieces, one lower holding piece that abuts on the outer surface of the outer wall panel abuts at a position close to the lower end surface of the outer wall panel, while the other lower holding piece that abuts on the inner surface of the outer wall panel is said. The outer wall panel support structure according to claim 2 or 3, wherein the lower holding piece abuts at a position above the abutting position. When a plurality of the outer wall panels are arranged in the left-right direction, a fastener for connecting the side ends of the adjacent outer wall panels is provided.
A convex engaging portion in which the fastener fits into the concave groove portion provided at the side end of one outer wall panel, and a concave engaging portion that fits into the convex strip portion provided at the side end of the other outer wall panel. The outer wall panel support structure according to claim 1, wherein the convex portion is fitted into the concave groove portion via the fastener.

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