JPH09195522A - Refreshing work of external wall and temporary fixing metal tool for external wall used for the work - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily fix an external wall panel, by pressing a stuck external wall panel from the outside with temporary fixing metal tools fixed to an existing external wall side at the front end to hold the external wall panel and removing the temporary fixing metal tools after the adhesive has dried. SOLUTION: A heat-insulation material 4 with a required thickness is stuck in advance to the rear face side of a siding material 3 to form a new external wall panel 2. Then, an adhesive is applied on the rear face side of the heat- insulation material 4 of the external wall panel 2 and the external wall panel 2 is stuck to an existing external wall panel 17 of the existing external wall. Then, the fixing part 15 of the axial member 11 of the temporary fixing metal tool 10 is inserted in a joint 16 between the external wall panels 2 and the existing external wall panels 17 by piercing the joint sheet 22. And the axial member 11 is turned 90 degrees to fix the fixing part 15 to the recess 23 on the panel 17. A butterfly bolt 13 is screwed in a flat plate 12 to press and hold adjacent external wall panels 2 with a setting plate 14. And further, the temporary fixing metal tools 10 are removed after the adhesive has dried.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer wall refreshing method for adhering a new outer wall panel to the surface of an existing building and a metal fitting for temporarily fixing the new outer wall panel.

[0002]

DISCLOSURE OF THE INVENTION The inventors of the present invention attach the outer wall material of the existing building to the outer wall surface of the existing building by directly adhering the outer wall material to the surface of which the necessary exterior coating is applied. A new method called refresh method was invented and applied for as Japanese Patent Application No. 6-101808.

According to the construction method according to this patent application, large-scale construction is not required as compared with the conventional construction method, and the necessary surface coating is performed in advance in the factory. Therefore, a new coating is applied to the existing outer wall surface. There is a great advantage over the ones that do not need to consider measures for scattering paint and odors in the neighborhood.

The present invention provides a method for facilitating the fixing work of the panel in the refreshing method for adhering and constructing a new outer wall panel as described above, and a temporary fixing metal fitting therefor. .

[0005]

In order to solve the above-mentioned problems, the present invention is a refreshing method for adhering a new outer wall panel to an outer wall of an existing building to form a new outer wall, which is the original outer wall. The temporary fixing metal fitting with the tip locked to the side presses the bonded outer wall panel from the outside to hold the outer wall panel, and after the adhesive is dried, all or part of the temporary fixing metal fitting is removed. It is a thing.

Similarly, the temporary fixing metal fitting of the present invention is a temporary fixing metal fitting used in a refreshing method for bonding a new outer wall panel to the outer wall surface of an existing building, and the tip end portion thereof can be detached from the existing outer wall side. A shaft member that is attached to the outer surface of the new outer wall panel, a pressing member that is attached to the outer surface of the new outer wall panel, and an outer side of the shaft member. And a screw member which is screwed to the end of the outer wall panel and presses the outer wall panel through the pressing member.

In the above description, it is conceivable that the shaft member inserts its tip into the gap between the old outer wall panels and locks it in the concave portion of the outer wall panel end surface. It is conceivable that a bearing member is fixed to the surface of the outer wall panel and locked to the bearing member.

Further, as the screw member, it is conceivable to use a nut such as a wing nut at the outer end portion of the shaft member or a male screw such as a wing bolt screwed into a screw hole at the outer end portion of the shaft member.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a drawing showing a method for adhering outer wall panels according to the present invention. As shown in FIG. 1, a new outer wall is added to an old outer wall surface (1) of an existing building such as a house or an apartment. By directly adhering the panel (2), the design of the outer wall surface is renewed.

As shown in FIG. 2, the outer wall panel (2) has a siding material (3) with a thickness of about 5 mm, which has a design and a coating on its surface, for example, an embossed pattern. Then, the siding material (3) to which the heat insulating material (4) having a required thickness, for example, a thickness of about 30 mm, is previously adhered is used on the back surface side. As the heat insulating material (4), for example, a hard expanded polystyrene resin or the like is used. The outer wall panel (2) thus formed in advance is coated with the adhesive (5) on the back surface side of the heat insulating material (4) so as to be placed in several places as shown in FIG. Similarly, the adhesive (5) is applied to the four circumferences of the material (4) so as to extend, and the adhesive (5) is directly adhered to the outer wall surface (1) for construction.

As described above, the new outer wall panel (3)
After the adhesive is adhered, the outer wall panel (3) is held so as not to fall off by using a temporary fixing metal fitting as shown in FIG. 3 and below until the adhesive (5) dries.

The temporary fixing member (10) of FIGS. 3 and 4 is a shaft member (11) formed by bending a rod-shaped member, and the shaft member (11).
The butterfly bolt (13) is screwed to the flat plate portion (12) at one end of the blade, and the pressing plate (14) is rotatably attached to the tip of the butterfly bolt (13). The flat plate portion (12) of the shaft member (11)
Side end, the direction of screwing in the wing bolt (13) is the axial member.
It is bent at a right angle so that it is parallel to the central part of (11). Similarly, the other end of the shaft member (11) has a butterfly bolt (13).
In the same manner, it is bent at a right angle so that it makes an angle of 90 degrees with the end on the side of the flat plate portion (12) when viewed from the direction of, and this bent tip is attached to an existing outer wall panel described later. Locking part
(15). A protection plate (24) made of rubber is attached to the back surface of the pressing plate (14).

In the above figures, (17) is an outer wall panel of an existing outer wall, and this outer wall panel (17) is an iron frame (18) having a U-shaped cross section and the outside of the iron frame (18). Siding material (19) attached to the side surface, and a back plate attached to the back surface side
(20), and further, those siding material (19) and back plate (20)
And a heat insulating material (21) filled between and. Also, before gluing new outer wall panels (2) (2), these old outer wall panels
(17) A joint sheet (22) is attached in advance across the outer surfaces of (17).

After adhering the new outer wall panels (2) and (2) as described above, the outer wall panels (2) and (2) are bonded together.
The shaft member (11) inserted into the joint gap (16) between the two (2) so that the engaging portion (15) at the tip thereof is in the same direction as the joint gap (16).
Break the joint sheet (22) at the end of the
(17) By inserting into the joint gap (16) between (17) and rotating the shaft member (12) by 90 degrees, the locking portion (15) at the tip of the shaft member (12) is fixed to the U-shaped iron frame ( It engages with the recess (23) in the end face of the old outer wall panel (17) (17) formed by 18).
In that state, by rotating the screw bolt (13) so as to screw it into the flat plate portion (12), the pressing plate (14) is used to fix the ends of the new outer wall panels (2) (2) on both sides of the joint gap (16). The outer wall panels (2) and (2) are pressed and held so as to straddle them.

After the adhesive has dried, the butterfly bolt (13) is loosened and the shaft member (11) is rotated 90 degrees to lock the locking portion (1).
It can be easily removed by pulling outward so that 5) follows the joint gap (16).

5 and 6 are different from FIGS. 3 and 4 in that the joint gap (16) between the new outer wall panels (2) and (2) does not match the joint gap of the old outer wall panel and the temporary fixing structure. The fixing metal fitting is shown. Temporary fixing metal fittings (2
5) is the shaft member (26), wing nut (27), rubber protection plate
It is provided with a pressing plate (28) to which (29) is attached. The shaft member (26) has a circular cross section with continuous threads, and a male screw (30) is formed at the tip of the shaft member (26).
The male screw (30) is locked by using a bearing member (31) fixed to the outer surface of the old outer wall panel (17) in advance. This bearing member (31) is formed by bending both ends of a receiving portion (32) made of a thin metal plate bent in a U-shape as shown in the figure at right angles outward to form an adhesive piece (33) (33). Before gluing the new outer wall panel (2), the receiving part (32) is located on the outer surface of the old outer wall panel (17) on the joint gap (16) of the new outer wall (8) (8). Adhere in advance as described above. In addition,
A shaft insertion hole (34) is formed in the central portion of the receiving portion (32), and a back nut (35) is fixed to the back of the shaft insertion hole (34). In addition, the shaft member (2
On the outer periphery of (6), the protrusions (3
6) is formed. (54) is the shaft member (26) back nut (35)
It is a groove formed in the end surface of the shaft member (26) for screwing in from the outside.

That is, after adhering the outer wall panels (2) and (2),
The tip of the shaft member (26) of the second temporary fixing metal fitting (25) is inserted into the joint gap (16) between the outer wall panels (2) and (2), and the tip is attached to the shaft of the bearing member (31). By inserting into the insertion hole (34) and screwing it into the nut (35) on the back side, the pressing plate (28) is straddled between the outer surfaces of the outer wall panels (2) and (2) adjacent to each other with the joint gap (16) interposed therebetween. ) Is pressed and held. Then, after the adhesive has dried, the wing nut (27)
Loosen and rotate the shaft member (26) to
Remove the shaft member (26) from the back nut (35) of (31) and remove it. In this case, the bearing member (31) is left as it is.

7 and 8 show a method of temporarily fixing the corner portion of the entering corner and the metal fittings. As described above, in the corner portion, first, L is straddled between the outer surfaces of the old outer wall panels (17) and (17) which are adjacent to each other at right angles with the corner interposed therebetween.
An attachment plate (37) consisting of a thin U-shaped metal plate is adhered, and the end of the addition plate (37) and the old outer wall panel (17) (1
A joint sheet (22) similar to the above is attached across the outer surface of 7). The outer wall panels (2) (2) on both sides of the corner that are bonded to this corner portion are arranged and bonded in a one-sided win structure in which one of them enters into the extension direction of the end face of the other outer wall panel (2). ing.

Temporary fixing metal fittings used in the above corners
(36) bends the tip end portion of the shaft member (38) on the insertion side in a right angle direction to form a locking portion (39), and after bending the opposite end portion at the same right angle, The tip is crushed to form a screw plate (40), and the wing bolt (41) is screwed into the female screw portion of the screw plate (40). Further, the pressing plate (42) to which the rubber protection plate (44) is attached is made into a dish shape, and the small diameter part (43) at the tip of the shaft member (38) is inserted into the central mounting hole, and the small diameter part is formed. Crimp the tip,
It is mounted so that it can rotate and does not come off.

In this temporary fixing metal fitting (36) for the entering corner, first, the engaging portion (39) at the tip of the shaft member (38) is oriented along the joint gap (16) in the entering corner portion. It is inserted into the joint gap (16) from the outside and locked in the recess (23) on the end face of the outer wall panel (17) which is at a right angle to the joint gap (16). Then, the wing bolt (41) is rotated and screwed in, so that the tip end of the butterfly bolt (41) is pressed and held via the pressing plate (42) which is in contact with the outer surface of the outer wall panel (2) in the perpendicular direction. After the adhesive has dried, it can be easily removed by loosening the wing bolt (41) and rotating the shaft member (38) 90 degrees at a right angle to pull it out.

A joint material is filled in the joint gap (16) after the temporary fixing fittings (10), (25) and (36) are removed.

FIGS. 9 and 10 show a modified example of the fixing metal fitting attached at the same position as the first temporary fixing metal fitting. The temporary fixing metal fitting (46) is screwed to the shaft member (49) consisting of a male screw (48) having a pair of parallel flat portions (47) (47) along the entire length in the longitudinal direction and the shaft member (49). Wing nut (50) and a pressing plate that is abutted over the outer surfaces of the outer wall panels (2) (2) that are adjacent to each other with the joint part sandwiched therebetween and that has a rubber protective plate (45) attached. It consists of (51) and. Flat part (47) of shaft member (49)
At the tip of (47), an elastic pin (52) made of a thin metal rod is projected as shown in the figure.

Then, in the same manner as described above, the shaft member (49) inserted into the joint gap (16) between the new outer wall panels (2) and (2).
Break the joint sheet (22) at the end of the
(17) Insert the pin into the joint gap (16) between (17) and rotate the shaft member (49) by 90 degrees so that the tip pin
The (52) is engaged with the concave portion (23) of the end face of the old outer wall panel (17) (17) formed by the U-shaped iron frame (18), and is held so as not to come off. The shaft member (49) is inserted into a hole (53) formed in the holding plate (51), and this hole (53) is in the shape of an elongated hole that fits the shaft member (49). The shaft member (49) and the pressing plate (51) rotate together. Therefore, the plate (51) is rotated to rotate the shaft member (49).
Can be rotated 90 degrees as described above, and depending on the angle of its plate (51) or shaft member (49), the pin (5
It can be confirmed that 2) has rotated 90 degrees. Then, tighten the wing nut (50) from the outside to
The outer surface of the new outer wall panel (2) is pressed and held by (51).

[0024]

As described above, according to the present invention, in a case where a new outer wall panel is attached to an existing outer wall surface by adhesion, the temporary fixing metal fittings locked to the existing outer wall side presses the adhesive until it dries. Since it is held, it is not necessary to hold a new outer wall panel by hand, and there is an effect that a large-scale supporting device is unnecessary.

Further, since the temporary fixing metal fittings are removed later, there is no drawback that the fixing metal fittings are exposed to impair the appearance.
Further, in the existing one that is directly locked to the outer wall panel, there is an advantage that it is not necessary to specially perform a feature for locking the temporary fixing fitting.

[Brief description of the drawings]

FIG. 1 is a perspective view of an essential part showing a method of adhering an outer wall panel in an embodiment of the present invention.

FIG. 2 is a perspective view of the outer wall panel as seen from the back side.

FIG. 3 is a cross-sectional view of a main part showing a state where the outer wall panel is temporarily fixed in a joint gap portion between the newly bonded outer wall panels.

FIG. 4 is a perspective view of a temporary fixing metal fitting used for temporary fixing in FIG.

FIG. 5 is another cross-sectional view showing a state in which the outer wall panels are temporarily fixed in the joint gap portion of the newly bonded outer wall panels.

FIG. 6 is an exploded perspective view of a temporary fixing metal fitting that is also used for temporary fixing in FIG.

FIG. 7 is a horizontal cross-sectional view of a main portion showing a temporary fixing structure of an outer wall panel at a corner portion of an entering corner.

8 is a perspective view of a temporary fixing metal fitting used for temporary fixing in FIG. 7. FIG.

FIG. 9 is a lateral cross-sectional view of a main part in a fixed state showing a modified example of the temporary fixing fitting of the present invention.

FIG. 10 is a perspective view showing a state before attachment of the borrowing fixture.

[Explanation of symbols]

 (1) Old outer wall (2) Outer wall panel (10) Temporary fixing bracket (11) Shaft member (13) Butterfly bolt (14) Holding plate (15) Locking part (16) Joint gap (17) Old outer wall panel ( 23) Recessed part (25) Temporary fixing bracket (27) Wing nut (28) Holding plate (31) Bearing member (36) Temporary fixing bracket (38) Shaft member (39) Locking part (41) Wing bolt (42) Holding plate

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takashi Shimada 1-188 Oyonaka, Kita-ku, Osaka City Sekisui House Co., Ltd.

Claims (6)

[Claims] 1. A refreshing method for forming a new outer wall surface by adhering a new outer wall panel to an outer wall surface of an existing building, wherein the adhered outer wall panel is provided with a temporary fixing metal fitting with a tip fixed to the original outer wall side. Is pressed from the outside to hold the outer wall panel, and after the adhesive is dried, all or part of the temporary fixing metal fitting is removed, and the outer wall refreshing method is characterized. 2. A temporary fixing metal fitting for use in a refreshing method for adhering a new outer wall panel to an outer wall of an existing building, the front end of which is releasably locked to the existing outer wall to provide a new outer wall. A shaft member attached so as to project outward from the gap between the panels, a pressing member abutting against the outer surface of the new bonded outer wall panel, and screwed to the outer end of the shaft member. A temporary fixing metal fitting for an outer wall, comprising a screw member for pressing the outer wall panel via the pressing member. 3. The temporary wall of the outer wall according to claim 2, wherein the shaft member has a tip inserted into a gap between the old outer wall panels, and the tip is locked in a recess of the end surface of the old outer wall panel. securing bracket. 4. A bearing member fixed to the surface of the old outer wall panel, wherein the tip of the shaft member is releasably locked to the bearing member. Temporary fixing metal fittings on the outer wall of. 5. The temporary fixing metal fitting for an outer wall according to claim 2, wherein the screw member is a nut screwed to an outer end portion of the shaft member. 6. The temporary fixing metal fitting for an outer wall according to claim 2, wherein the screw member is a male screw screwed into a screw hole of the outer end of the shaft member at the outer end thereof.