JP7451116B2 - Installation structure and construction method of installation structure - Google Patents

Description

The present invention relates to an installation structure for an external structure of a building and a construction method thereof.

BACKGROUND ART Building exterior structures such as garden rooms and terrace enclosures are conventionally known, which are installed for the purpose of increasing the functionality of houses, stores, etc. and improving convenience and comfort. Such a building exterior structure includes, for example, a roof and columns on the outdoor side of the building.

Regarding the above-mentioned external structure of a building, Patent Document 1 discloses that a torii member (intervening structure) comprising aluminum columns and girders is installed between the external wall of a building with a sweeping window and the terrace instead of the external wall. An invention is disclosed in which an external structure can be attached without making a hole in the outer wall of the building by placing the structure in the outer wall of the building.

Furthermore, Patent Document 2 discloses that in a building external structure equipped with an intervening structure as disclosed in Patent Document 1, when a snow load or a wind load acts on the roof, there is a deflection between the roof and the building body. An invention has been disclosed that allows the gap to be closed even when this occurs.

Patent No. 5603920 Patent No. 5870383

Incidentally, there are cases where the above-mentioned building external structure is installed in an inner corner formed by an outer wall surface in which an opening of the building body is formed and another outer wall surface. In such cases, it is necessary to cover the space between the building's external structure and other external walls for the purpose of water stopping, etc. However, if a sealant is used, for example, the roof of the building's external structure may be covered with snow loads. When such loads are applied, deflection occurs, and there is a risk that the sealing material may be deformed or peeled off.

The present invention has been made in view of the above, and when installing an external structure of a building in an inside corner, it is possible to connect the external structure of the building and an external wall other than the external wall in which an opening is formed. The purpose of the present invention is to provide an installation structure that can cover an external structure without fixing it to a frame.

In the present invention, the back surface is arranged to face an outer wall of the building body in which an opening is formed, and at least one of the side faces is arranged to face a side wall of the building body that forms an entrance corner with the outer wall. An installation structure for an external building structure, wherein the external building structure includes a roof portion having rafters, and a support supporting the roof portion, and an end rafter facing the side wall of the rafter and an end rafter facing the side wall. The present invention relates to an installation structure including an installation member that is provided between a side wall and can follow the relative displacement of the roof.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view which shows the building exterior structure based on 1st Embodiment of this invention. BRIEF DESCRIPTION OF THE DRAWINGS It is a top view which shows the building exterior structure based on 1st Embodiment of this invention. FIG. 1 is a front view showing an intervening structure of a building exterior structure according to a first embodiment of the present invention. FIG. 1 is a longitudinal cross-sectional view of an installation structure according to a first embodiment of the present invention. It is a perspective view which shows the installation structure based on 3rd and 4th embodiment of this invention. It is a sectional view showing the installation structure concerning the 3rd and 4th embodiment of the present invention. It is a figure showing the construction method of the installation structure concerning a 1st embodiment of the present invention. FIG. 7 is a longitudinal cross-sectional view of an installation structure according to a second embodiment of the present invention.

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view schematically showing a building exterior structure B according to a first embodiment of the present invention. FIG. 2 is a top view showing the building exterior structure B according to the first embodiment.

[Building external structure]
First, the overall configuration of the building exterior structure B according to the first embodiment of the present invention will be described.
As shown in FIG. 1, the building external structure B according to the present embodiment is a terrace enclosure, and the back side faces the outer wall T1 in which the opening of the building main body T is formed, and one of the side surfaces enters the outer wall T1. It faces the side wall T2 forming the corner.
The building external structure B includes an external structure B1 having a front wall 1, a roof 2, and a pair of side walls 3a and 3b. Further, the building external structure B includes an intervening structure B2 interposed between the building body and the outer wall T1 of the building body.

The front wall portion 1 of the external structure B1 is spaced apart from the outer wall T1 of the building body T in which an opening such as a sash window is formed, for example, at a predetermined interval, and is arranged substantially parallel to the outer wall T1.
The front wall 1 includes a waist wall 4 and a lighting wall 11 above the waist wall 4.

The waist wall portion 4 is installed using a front spar 10 and columns 5 and bundle columns 7 arranged at predetermined intervals. The lower ends of the pillars 5 and bundle pillars 7 are buried in a concrete foundation cast by excavating the ground, and are fixed to the foundation with anchor rods or the like (not shown). A lower frame 13 is attached to the upper end of the waist wall portion 4.

The lighting wall 11 is composed of a lower frame 13, a column 5, and a front frame 18 connected to the upper end of the column 5, and is made of a light-transmitting member such as a glass plate or polycarbonate. A front panel 6 is arranged.

On the front girder 10 and the bundle pillars 7, overhangs (not shown) are provided at predetermined intervals, and decking materials 12 are placed on the overhangs to form a floor surface.

As shown in FIG. 2, in this embodiment, the width W1 of the support column 5 and the width W2 of the back support column 5a are configured to be substantially the same. As a result, the building exterior structure B can be installed without creating a gap between the building exterior structure B and the side wall T2, and the floor made of the decking material 12 fits well.

The lower end portions of the side walls 3a and 3b of the external structure B1 are constituted by a gable beam 16 whose both ends are connected to the column 5 and the rear column 5a, respectively, and the upper end portion is similarly connected to the column 5 and the rear column 5a. It is composed of side frames 19 each having both ends connected to the side frames 19.
In this embodiment, the side wall portion 3b disposed facing the outside of the building is appropriately constituted by a window, a folding door, a door, etc., on which a panel made of a light-transmitting member similar to that of the daylighting wall portion 11 is disposed. Ru. A FIX window 17 made of a light-transmitting member is arranged within a triangular frame surrounded by the side frame 19, the end rafter 9b of the roof part 2, and the back support column 5a in the side wall part 3b. Ru. The other side wall portion 3a facing the side wall portion 3b faces the side wall T2 and can be configured without arranging members such as panels. In addition, when a part of the other side wall part 3b is a partially entered corner leading to the outside of the building, a panel or the like made of a light-transmitting member or the like may be appropriately arranged on the other side wall part 3b.

The roof part 2 of the external structure B1 has one end connected to the front frame 18 and the other end connected to the rafter hook 8, and has a plurality of rafters 9 arranged at predetermined intervals, and the rafters 9 are connected to each other. It is composed of connecting medium aggregates 15. The rafters 9 are disposed so as to be inclined downward toward one end 2a of the roof portion 2, and the roof portion 2 as a whole is configured to be inclined downward toward one end 2a.
As the roofing material 14 forming the roof surface, a panel made of a light-transmitting member similar to that of the daylighting wall portion 11 and the side wall portion 3b is arranged.

Among the end rafters 9a and 9b, which are rafters arranged at the end of the roof part 2, a first installation member 30 is provided on the end rafter 9a facing the side wall T2. Further, a second installation member 31 connected to the first installation member 30 is installed on the side wall T2.

The materials of the pillars 5, bundle columns 7, rafters 9, end rafters 9a, 9b, front beam 10, lower frame 13, end beam 16, front frame 18, side frame 19, etc. that constitute the external structure B1 are particularly limited. For example, a material made of aluminum extrusion may be used, although it is not a material.

(Interposed structure)
As shown in FIGS. 1 and 3, the intervening structure B2 includes a frame 22 consisting of a pair of vertical members 20 and a horizontal member 21 that connects the upper ends of the pair of vertical members 20. is erected along the outer wall T1 of the building body T. By providing such an intervening structure B2, even if the outer wall T1 of the building main body T has unevenness, a closing material etc. can be appropriately provided between the outer wall T1 and the intervening structure B2, and the intervening structure Building external structure B can be configured by connecting external structure B1 to B2.

As shown in FIG. 3, the frame 22 is constructed by excavating the ground, laying crushed stone 23, and burying the lower ends of the vertical members 20 in a concrete foundation 24 that is cast.
At this time, it is preferable to bury the lower end of the vertical member 20 up to the lower end of the foundation 24. Thereby, the frame body 22 is firmly fixed and supported.

The material of the pair of vertical members 20 and horizontal members 21 constituting the frame body 22 is not particularly limited, but similar to the members of the external structure B1, for example, aluminum extrusion is used.

An installation structure may be provided between the intervening structure B2 and the outer wall T1 according to this embodiment. In this case, members having the same configuration as the first installation member 30 and second installation member 31 according to the first embodiment described below can be provided on the cross member 21 and the outer wall T1 of the intervening structure B2. Alternatively, a member having the same configuration as the first installation member 30 according to the second embodiment can be provided on the cross member 21 of the intervening structure B2. Thereby, without fixing the building external structure B to the outer wall T1, the space between it and the outer wall T1 can be covered and water can be stopped.

Note that the space between the intervening structure B2 and the external structure B1 is covered by making the rafter hooks 8 closely contact the cross members 21, or by embedding the tips of the rafter hooks 8 in the cross members 21.

[Installation structure]
Next, an installation structure according to an embodiment of the present invention will be described.

(First embodiment)
The installation structure according to the first embodiment of the present invention includes a first installation member 30 provided on the end rafter 9a and a second installation member 31 installed on the side wall T2.

FIG. 4 is a longitudinal sectional view showing the end rafter 9a, the first installation member 30 provided on the upper surface thereof, and the second installation member 31 installed on the side wall T2. As shown in FIG. 4, a roof material 14 forming a roof portion is connected to the upper surface of the end rafter 9a, and a member 3 forming a side wall portion is connected to the lower end.

The first installation member 30 includes a main body portion 30d formed in a substantially band shape, and a fin portion 30b that stands up substantially perpendicularly to the main body portion 30d. The main body portion 30d is fixed in contact with the upper surface of the end rafter 9a by a fixing member 30a such as a screw. A sealing material 40 is filled in the gap between the main body portion 30d and the end rafter 9a.
An engaging claw 30c that can engage with an engaging claw 31c of a second installation member, which will be described later, is formed at the tip of the fin portion 30b. Further, the end portion of the first installation member 30 is covered with a covering member (double-dashed line in FIG. 4).
In addition, in this embodiment, although a gap exists between the fin part 30b and the side wall T2, the fin part 30b may be in contact with the side wall T2.

The second installation member 31 has a main body portion 31b formed in a substantially band shape, and the upper end portion of the main body portion 31b is fixed to the side wall T2 of the building main body T by a fixing member 31a such as a screw. A sealing material 41 is filled in the gap between the upper end of the main body portion 31b and the side wall T2. Further, the end portion of the second installation member 31 is covered with a covering member (double-dashed line in FIG. 4).

An engaging claw 31c that can engage with the engaging claw 30c of the first installation member is formed at the lower end of the main body portion 31b. Further, a bent portion 32 having a hinge structure is formed near the center of the main body portion 31b.

Note that the materials for the first installation member 30 and the second installation member 31 are not particularly limited, but, like the members of the external structure B1 and the intervening structure B2, materials made of, for example, aluminum extrusion molding are used.

Next, a configuration of the installation structure according to the first embodiment that can follow the relative displacement of the roof portion will be described.
FIG. 4(A) is a state diagram showing a state in which the roof portion of the building external structure B, which is composed of the roofing material 14, end rafters 9a, etc., is not displaced, and FIG. 4(B) is a state diagram showing the state where the roof portion FIG. 3 is a state diagram showing a state in which a load such as snow is applied to the container and the container is displaced downward by a distance M.

As shown in FIG. 4A, when the roof is not displaced, the fin portion 30b of the first installation member 30 is covered with the second installation member 31, and the tip of the fin portion 30b is covered with the second installation member 31. The main body part 31b of the second installation member 31 is substantially in contact with the vicinity of the upper end of the inner surface thereof, and the tip of the main body part 31b of the second installation member 31 is substantially in contact with the main body part 30d of the first installation member. That is, the connection points between the first installation member 30 and the second installation member 31 are arranged to overlap in the vertical direction.

FIG. 4(B) shows a state in which a load such as snow accumulation is applied to the roof and the roof is displaced downward by a distance M. In this state, the vicinity of the tip of the fin portion 30b of the first installation member 30 is covered with the second installation member 31, and the engaging claw 30c formed at the tip of the fin portion 30b and the main body portion 31b of the second installation member The engagement claws 31c formed at the tips of the two are connected to each other by being close to each other or engaging with each other.

In this way, since the fin portion 30b of the first installation member is covered with the second installation member 31, even if water enters from the gap between the first installation member and the second installation member, the first installation member Water does not enter between the building exterior structure B and the side wall T2, and the space between the building external structure B and the side wall T2 can be covered and watertight.

In addition, since the connection points between the first installation member 30 and the second installation member 31 are arranged so as to overlap in the vertical direction, even if the roof section is displaced downward, it can be followed and the connection points between the first installation member 30 and the second installation member 31 can be As long as the connection by the claws 30c and 31c does not come off, it is possible to cover the space between the building external structure B and the side wall T2 and maintain water stoppage.
Note that the bending portion 32 having the hinge structure in the second installation member allows the lower end portion of the main body portion 31b in which the engaging claw 31c is formed to move in the direction away from the side wall T2, so that the engagement The engagement state between the claw 30c and the engagement claw 31c can be maintained preferably, and the installation member can be prevented from being damaged when excessive displacement occurs on the roof.

Moreover, the load of the building external structure B is not applied to the second installation member 31, and the fixation by the fixture 31a is sufficient to have the strength necessary to support the load of the second installation member 31 itself. Thereby, the space between the roof part 2 of the building external structure B and the side wall T2 can be covered and water can be stopped without fixing the building external structure B to the side wall T2.

(Construction method of installation structure of first embodiment)
FIG. 7 is a perspective view showing a construction method of the installation structure according to the first embodiment.
As shown in FIG. 7(A), first, the main body part 30d of the first installation member 30 is placed on the upper surface of the end rafter 9a of the building external structure B, and fixed using a fixing device such as a screw. The first installation member 30 is installed. Since the end rafter 9a is inclined downward toward the tip of the roof section 2, the first installation member 30 is similarly placed so as to be inclined downward toward the tip of the roof section 2. .

Next, as shown by the arrow in FIG. 7(A), the second installation member 31 is moved toward the first installation member 30 from above. Then, as shown in FIG. 7B, the second installation member 31 is positioned by placing the lower end of the main body 31b of the second installation member 31 on the main body 30d of the first installation member 30. . Then, the second installation member 31 is attached and fixed to the side wall T2 using fixing tools such as screws. Note that, depending on the shape of the first installation member 30, the second installation member 31 can also be placed on a member constituting the roof portion 2, such as the end rafter 9a.

Normally, the second installation member 30, which is installed at an angle, must be connected to the second installation member 30 so as to have a certain overlap, so measurements, etc., are required for construction. Although it requires some work, by the method described above, the second installation member 31 connected to the first installation member 30 installed at an angle can be easily positioned and fixed to the side wall T2.

(Second embodiment)
The installation structure according to the second embodiment of the present invention includes an installation member 30 provided between the end rafter 9a and the side wall T2. The installation member 30 according to this embodiment is an elastic member that is elastically deformed to follow the relative displacement of the roof portion 2.
FIG. 8 is a longitudinal sectional view showing the end rafter 9a and the installation member 30 according to the second embodiment provided on the upper surface thereof. In this embodiment, there is a predetermined interval (gap H) between the end rafter 9a and the side wall T2.

As shown in FIG. 8, the installation member 30 according to the second embodiment has a main body 30e made of an elastic member, a lower end 30f is fixed to the end rafter 9a by a fixing member 33, and an upper end 30f' is fixed to the side wall T2 by a fixing member 34.

The elastic member constituting the installation member 30 according to the second embodiment is not particularly limited, and elastically deformable members such as rubber, plate springs, coil springs, and members having a bellows structure can be used.

The fixing member 33 is fixed to the end rafter 9a with a fixing member 33a such as a screw, and has a rail-shaped engagement portion 33b. The lower end portion 30f of the installation member 30 is engaged with and fixed to the engaging portion 33b.
The fixing member 34 is similarly fixed to the side wall T2 with fixing tools 34a such as screws, and the upper end 30f' of the installation member 30 is engaged with and fixed to the rail-shaped engagement portion 34b.

Since the installation member 30 according to the second embodiment has the main body part 30e made of an elastic member, even if the roof part made of the end rafters 9a etc. is displaced due to a load such as snow accumulation, the main body part 30e By elastically deforming following the displacement, the covering between the building external structure B and the side wall T2 can be maintained.
Further, since the load of the building external structure B is not directly applied to the fixing member 34 fixed to the side wall T2, the building external structure B is not fixed to the side wall T2, and the connection between the building external structure B and the side wall T2 is not directly applied. Coverage can be maintained.

(Third embodiment)
The installation member according to the third embodiment shown in FIGS. 5(A) and 6(A) will be described below.
The installation members shown in FIGS. 5(A) and 6(A) are installed in the building external structure B shown in FIG. 5(A). The building external structure B according to this embodiment is a terrace enclosure similar to the building external structure B according to the first embodiment described above. A front wall portion 1 serving as a wall portion is provided on the front surface of the building external structure B. A rain gutter 50 is provided on the front side of the front wall 1 to drain rainwater from the roof.
The rain gutter 50 includes a vertical gutter 51, a cover member 52, and an eaves gutter 53.
The downpipe 51 is a substantially cylindrical body arranged to extend in the vertical direction along the support 5, and has a flow path 54 through which rainwater flows inside. The downpipe 51 is fixed to the support 5 and covered with a cover member 52 . The upper ends of the vertical gutter 51 and the cover member 52 are connected to the eaves gutter 53. A drain port for discharging rainwater to the outside is provided at the lower end of the downspout 51 (not shown).
The eaves gutter 53 extends substantially horizontally along the front frame 18 and is fixed to the front frame 18 or formed integrally with the front frame 18 . The eaves gutter 53 has a substantially C-shaped cross-sectional shape that opens upward.
Rainwater flowing down the roof is caught by the eaves gutter 53, flows into the channel 54 of the vertical gutter 51, and is discharged to the outside from the drain port.

The installation member according to this embodiment is provided between the front wall portion 1 and the side wall T2. As shown in FIG. 5(A), the installation members include a first installation member 30A that extends in the vertical direction along the cover member 52 and is fixed to the front surface of the cover member 52; The second installation member 31A is connected to the member 30A, extends in the vertical direction, and is installed on the side wall T2.
Note that the first installation member 30A may be fixed to another member other than the cover member 52 provided on the front side of the front wall portion 1, for example, the support column 5.
The upper ends of the first installation member 30A and the second installation member 31A are arranged at substantially the same height as the upper end of the support column 5. Note that the upper end of the support column 5 and the tip of the end rafter 9a can be covered with a sealant or the like because they are expected to be less likely to be displaced by external force.
The lower ends of the first installation member 30A and the second installation member 31A can be arranged, for example, at any position below the floor surface of the external structure B1.

FIG. 6(A) is a cross-sectional view showing the installation member according to the present embodiment, showing the cover member 52, the first installation member 30A provided on the front surface thereof, and the second installation member 31A installed on the side wall T2. show. As shown in FIG. 6(A), in this embodiment, the support column 5 and the cover material 52 are substantially in contact with the side wall T2.
The first installation member 30A and the second installation member 31A have the same configurations as the first installation member 30 and the second installation member 30 according to the first embodiment, respectively, and the front wall portion 1 of the building external structure B. It has connection points that overlap each other in the horizontal direction from the side toward the outer wall T1 side of the building main body T.
As a result, as shown in FIG. 6(A), even if an external force such as wind pressure is applied from the front wall 1 side of the building external structure B and the front wall 1 is displaced in the direction of the arrow in FIG. 6(A), , the first installation member 30A and the second installation member 31A have connection points that overlap with each other in the horizontal direction, so they can follow displacement, cover the space between the building external structure B and the side wall T2, and maintain water stoppage. can.
Further, like the installation member according to the first embodiment, water can be stopped by covering the space between the front wall 1 of the building external structure B and the side wall T2 without fixing the building external structure B to the side wall T2. .

(Fourth embodiment)
Next, the installation member according to the fourth embodiment shown in FIGS. 5(B) and 6(B) will be described below.
The installation members shown in FIGS. 5(B) and 6(B) are installed in the building external structure B shown in FIG. 5(B). The building external structure B according to this embodiment constitutes a terrace enclosure similar to the building external structure B according to the first embodiment described above. The front wall 1 of the building exterior structure B is provided with a support 5 and a rain gutter 50 arranged to extend in the vertical direction along the support 5, as in the third embodiment.
As shown in FIG. 5(B), the building main body T includes a side wall T2 and an outer wall T3 as a second outer wall that forms a projecting corner. The front wall portion 1, which is the front surface of the external building structure B, protrudes further to the outside of the building body T than the outer wall T3.

A side wall portion 3a serving as a wall portion is provided on the side surface of the building external structure B facing the side wall T2. A mullion 5b extending in the vertical direction is arranged at a location of the side wall 3a adjacent to the protruding corner. The upper end of the mullion 5b is connected to the end rafter 9a. The portions of the side wall portion 3a that communicate with the outside of the building are the portions between the pillars 5 and the mullions 5b, and the FIX windows 17a provided between the side frames 19 and the end rafters 9a. Panels made of, for example, a light-transmitting member are arranged at these locations.

The installation member according to this embodiment is provided between the side wall portion 3a and the side wall T2. As shown in FIG. 5(B), the installation members include a first installation member 30B that extends vertically along the mullion 5b and is fixed in contact with the mullion 5b; The second installation member 31B is connected to the second installation member 31B, extends in the vertical direction, and is installed on the outer wall T3.
Note that the first installation member 30B may be fixed to another member provided on the side wall portion 3a other than the mullion 5b.
The upper ends of the first installation member 30B and the second installation member 31B are arranged at substantially the same height as the upper end of the end rafter 9a. Note that the upper end of the end rafter 9a is a location where displacement due to external force is expected to be small, so it can be covered with a sealing material or the like.
The lower ends of the first installation member 30B and the second installation member 31B can be arranged, for example, at any position below the floor surface of the external structure B1.

FIG. 6(B) is a cross-sectional view showing the mullion 5b, the first installation member 30B provided in contact with the mullion 5b, and the second installation member 31B installed on the outer wall T3. As shown in FIG. 6(B), in this embodiment, the mullion 5b is substantially in contact with the side wall T2.
The first installation member 30B and the second installation member 31B have the same configuration as the first installation member 30 and the second installation member 30 according to the first embodiment, respectively, and are opposed to the side wall T2 of the building main body T. The connecting portions overlap each other in the horizontal direction from the side wall portion 3a side disposed toward the outside of the building toward the side wall portion 3b side disposed toward the outside of the building.
As a result, as shown in FIG. 6(B), even when an external force such as wind pressure is applied from the side wall 3a side of the external structure B1 and the side wall 3a is displaced in the direction of the arrow in FIG. 6(B), Since the first installation member 30B and the second installation member 31B have connection points that overlap with each other in the horizontal direction, they can follow displacement, cover the space between the building external structure B and the side wall T2, and maintain water stoppage. .
Further, similarly to the installation members according to the first embodiment and the second embodiment, the building external structure B is not fixed to the side wall T2 or the external wall T3, but the side wall portion 3a of the building external structure B and the side wall T2 are connected to each other. It can cover the gap and stop water.

Although preferred embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments and can be modified as appropriate.

Although the installation structure according to the embodiment of the present invention has been described as having the purpose of stopping water, the installation structure is not limited thereto. The installation structure may have other purposes such as dustproofing, insectproofing, heat preservation, and cold preservation.

The building external structure B according to the embodiment of the present invention is constructed such that the back surface of the building main body T faces an outer wall T1 in which an opening is formed, and one of the side faces faces a side wall T2 forming an inner corner with the outer wall T1. Although the description has been made assuming that the configuration is arranged, the configuration is not limited to this. The building external structure B may face the outer wall T1 and another outer wall that constitutes an inner corner. That is, it may face the outer wall of the building body T in three directions. In this case, the installation structure of the present invention is also provided between the other outer walls and the building external structure B.

Although the building external structure B provided with the installation structure according to the embodiment of the present invention has been described as a terrace enclosure, it is not limited to this. The building external structure B may be a sunroom, a balcony, a garden room, or the like. Furthermore, the installation structure of the present invention may be provided on the roof of a side-through type external building structure such as a carport or an open terrace.

In the description of the installation structure according to the first embodiment of the present invention, the first installation member 30 was described as a separate member connected to the end rafter 9a by the fixture 30a, but the invention is not limited to this configuration. The first installation member 30 may be formed integrally with the end rafter 9a.

In the description of the installation structure according to the first embodiment of the present invention, the configuration is such that there is no gap between the end rafter 9a and the side wall T2, but the configuration is not limited to this. As in the second embodiment, there may be a gap between the end rafter 9a and the side wall T2.

Although the second installation member 31 according to the first embodiment of the present invention has been described as having the bent portion 32, it is not limited to this configuration. The second installation member 31 can also be configured without the bent portion 32.

Although the installation member 30 according to the second embodiment of the present invention has been described as being fixed to the end rafter 9a and the side wall T2, the installation member 30 is not limited thereto. For example, the installation member 30 is formed of an elastic member such as rubber, and the installation member 30 is fixed to either the end rafter 9a or the side wall T2, so that even when the roof portion 2 is displaced, the close contact state can be maintained. You can also.

The installation member 30 according to the second embodiment of the present invention can be provided not only between the roof section 2 and the side wall T2, but also between the front wall section 1 or the side wall section 3a and the side wall T2.

T Building body T1 Exterior wall T2 Side wall T3 Second exterior wall B Building external structure B2 Intervening structure 1 Front wall (wall)
2 Roof part 3a Side wall part 5 Support 9 Rafter 9a End rafter 30 Installation member (first installation member, installation structure)
31 Second installation member (installation structure)

Claims (6)

An external building structure whose back surface is arranged to face an outer wall of the building body in which an opening is formed, and at least one of its side faces is arranged to face a side wall of the building body that forms an entrance corner with the outer wall. An installation structure in which
The building external structure includes a wall,
an installation member provided between the wall portion adjacent to the side wall and the side wall and capable of following relative displacement of the wall portion ;
The wall includes a front wall provided at the front of the building external structure,
The installation member is
comprising a first installation member attached to the front wall and a second installation member attached to the side wall,
An installation structure in which the first installation member and the second installation member are arranged so as to overlap each other in the horizontal direction, so that the relative displacement of the front wall portion in the horizontal direction can be followed. An external building structure whose back surface is arranged to face an outer wall of the building body in which an opening is formed, and at least one of its side faces is arranged to face a side wall of the building body that forms an entrance corner with the outer wall. An installation structure in which
The building external structure includes a wall,
an installation member provided between the wall portion adjacent to the side wall and the side wall and capable of following relative displacement of the wall portion;
The building main body includes a second outer wall that forms a projecting corner with the side wall,
The front surface of the building external structure projects further to the outside of the building body than the second outer wall,
The wall portion includes a side wall portion facing the side wall and provided on a side surface of the building external structure,
The installation member is
comprising a first installation member attached to the side wall and a second installation member attached to the second outer wall,
An installation structure in which the first installation member and the second installation member are arranged so as to overlap each other in the horizontal direction, so that the relative displacement of the side wall portion in the horizontal direction can be followed. The installation structure according to claim 1 or 2 , wherein the installation member is constituted by an elastic member that is elastically deformed to follow the relative displacement of the wall portion. The building exterior structure includes an intervening structure interposed between an outer wall of the building main body in which an opening is formed, and the intervening structure includes an outer wall of the building main body in which an opening is formed. The installation structure according to any one of claims 1 to 3 , comprising the installation member between. The installation structure according to claim 4 , wherein the widths of the pillars of the building external structure are the same. An external building structure comprising the installation structure according to any one of claims 1 to 5 .

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