JP7320396B2 - wall connection structure - Google Patents

Description

The present invention relates to a wall connecting structure for attaching a structure such as a scaffolding to the wall of a building.

Conventionally, when a structure such as scaffolding is attached to the wall of a building, bolts are driven into the joint width of the wall and the structure is supported through the bolts so as to facilitate the process after removal. (See Patent Document 1, for example).

JP 2008-179991 A

However, in the conventional structure as disclosed in Patent Document 1, the weight of the scaffolding is supported on the bolts at one point, so there is a risk that the support strength will be insufficient. Therefore, there has been a problem that the strength is more likely to be insufficient when attaching a heavy weight and movement due to movement, such as a mobile elevating scaffold. Moreover, in order to make up for the lack of strength, there is a possibility that troublesome work may be required for attachment and detachment, which poses a problem in terms of work efficiency.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a wall connecting structure that can ensure sufficient strength to support a structure and that can be easily attached and removed.

In order to achieve such a problem, the invention according to claim 1 is provided on the wall surface of a building and includes a screwing member having a bolt hole projection, and a screwing member attached to the screwing member and having a second screw on the side of the screwing member. a first plate-shaped member having only the bolt hole projecting portion corresponding to the first through hole penetrating from one surface to the second surface on the opposite side; a second plate-like member having a second through hole corresponding to the first through hole; and a second plate member that passes through the second through hole and the first through hole and is fitted to the bolt hole of the bolt hole protrusion. and a bolt member, wherein a predetermined member is arranged between the first plate-shaped member and the second plate-shaped member, and by tightening the bolt member, the predetermined member is replaced by the The wall connecting structure is configured such that the first plate-like member and the second plate-like member are sandwiched and the first plate-like member is fixed to the wall surface.

Further, according to the invention of claim 2, in addition to the configuration of claim 1, the first plate-like member is oriented substantially parallel to the second plate-like member on the second surface side. The flat portion has a third through hole through which the bolt member can pass at a position corresponding to the first through hole, and the flat portion of the first plate-shaped member It is characterized in that the wall connecting structure is configured such that a predetermined member is sandwiched between the portion and the second plate-like member.

Further, the invention according to claim 3, in addition to the configuration according to claim 1 or 2, further includes: It is characterized by a wall connecting structure configured to be sandwiched between the first plate-like member and the second plate-like member.

According to the first aspect of the invention, since the structure is supported by the building via the first plate-shaped member, the force is applied with a wider member than in the structure where the bolt supports at one point. It can be dispersed and strongly supported, and can support a structure with sufficient strength. Furthermore, each mounting and fixing can be performed by tightening the bolt member once, and these members can be removed only by loosening the bolt member, so mounting and removing can be easily performed.

Further, according to the second aspect of the invention, the first plate-like member has a planar portion provided in a direction substantially parallel to the second plate-like member, and the first plate-like member Since the predetermined member is sandwiched between the flat portion and the second plate member, the predetermined member can be held in a more stable state.

In addition, according to the third aspect of the invention, by using the guide mast of the mobile elevating scaffold as a wall connecting structure when fixing it to the building, it is heavy and there is movement due to the movement of the scaffold, so it is more efficient. A mobile elevating scaffold that requires strong support can be reliably fixed.

1 is a perspective view showing main components of a wall connecting structure according to Embodiment 1 of the present invention; FIG. FIG. 4 is a perspective view showing a mounting state of the guide mast by the wall connecting structure according to the first embodiment; FIG. 4 is a perspective view of the mounting state of the guide mast by the wall connecting structure according to the first embodiment, viewed from another angle; FIG. 10 is a perspective view of the mounting state of the guide mast by the wall connecting structure according to the first embodiment, viewed from another angle; It is a perspective view which shows the state which attached the screwing member in the wall connection structure which concerns on the same Embodiment 1. FIG. It is a perspective view which shows the state which match|combined the 1st plate-shaped member with the screwing member in the wall connection structure which concerns on the same Embodiment 1. FIG. FIG. 10 is a perspective view showing a state in which the lateral member is fixed using the wall connecting structure according to the first embodiment; FIG. 10 is an enlarged perspective view of a state in which the lateral member is fixed using the wall connecting structure according to the first embodiment; It is a perspective view which shows the state which is fixing the horizontal member with the U-shaped member by wall connection structure to the same Embodiment 1. FIG. It is the perspective view which looked at the state which fixed the sideways member with the U-shaped member by wall connection structure to the said Embodiment 1 from another angle. FIG. 10 is a perspective view showing main components of a modification of the wall connecting structure according to the first embodiment; FIG. 5 is a perspective view showing a mounting state of a guide mast according to a modification of the wall connecting structure according to the first embodiment; FIG. 11 is a perspective view of a mounting state of a guide mast according to a modification of the wall connecting structure according to the first embodiment, viewed from another angle; It is a perspective view which shows the state which attached the screwing member in the modification of the wall connection structure which concerns on the same Embodiment 1. FIG. FIG. 11 is a perspective view showing a mounting state of the guide mast by the wall connecting structure according to Embodiment 2 of the present invention; It is a perspective view which shows the state which attached the screwing member in the wall connection structure which concerns on the same Embodiment 2. FIG.

[Embodiment 1 of the invention]
Embodiment 1 of the present invention will be described below.

1 to 10 show Embodiment 1 of the present invention. In addition, in this embodiment, the wall joint used to fix the guide mast of the mobile elevating scaffold used when installing the outer wall panel on the outer wall of the building such as a factory, warehouse, building, etc. The structure is explained as an example.

As shown in FIGS. 1 and 2, the wall connecting structure 10 of this embodiment has a screwing member 20, a first plate-like member 30, a second plate-like member 40, and a bolt member 50. It is composed by combining these. In addition, the first plate-like member 20 of this embodiment is provided with a plane portion 35 that contacts in a substantially vertical direction.

Then, as shown in FIGS. 7 and 8, the first plate-like member 30 is fixed to the pillar or stud 80 of the building with the screwing member 20, and the first plate-like member 30 (in this embodiment, the first plate A horizontal member 60 as a predetermined member is sandwiched between the planar portion 35 of the shaped member 30 and the second plate-shaped member 40, and the guide mast 70 of the mobile elevating scaffold is fixed to the horizontal member 60. It is configured to form a state in which the guide mast 70 is fixed to the building. Each part of the wall connecting structure 10 will be described in detail below.

First, as shown in FIG. 1, the screwing member 20 is to be fixed by screwing a bolt member 50, which will be described later, and is attached to the wall surface of the building. The screwing member 20 of this embodiment is provided in a substantially straight line along the vertical direction on the pillars provided on the wall surface and on the studs 80 that are provided later between the pillars for the installation of the outer wall panel. It is fixed by screwing, welding, or the like, and as shown in FIG. 5, a bolt hole protruding portion 21 is formed so as to protrude from the plate-like member. Only one bolt hole projecting portion 21 may be provided for one screwing member 20, or a plurality of bolt hole projecting portions 21 may be provided. In addition, in this embodiment, three screwing members 20 are arranged along the vertical direction, and one bolt hole projecting portion 21 is formed for each, but even one screwing member 20 is provided. It can be multiple.

As shown in FIG. 6, the first plate member 30 is a plate-shaped member, and has a first surface that penetrates in the lateral direction from a first surface 30a, which is a surface with a small area, to a second surface 30b on the opposite side. A plurality of through holes 31 are formed. Further, on the side of the first surface 30a of the first plate member 30, a recess 33 is formed in which the bolt hole protrusion 21 of the screwing member 20 is just fitted. Here, since three bolt hole projections 21 are formed, three recesses 33 are also formed accordingly.

Further, it is preferable that the shape of the concave portion 33 is also formed so as to match the bolt hole projecting portion 21 because both of them are fitted more tightly. For example, if the bolt hole protrusion 21 is cylindrical, the recess 33 is also formed cylindrical, and if the bolt hole protrusion 21 is hexagonal, the recess 33 is also formed hexagonal. It is preferably shaped. However, there may be a case where the bolt hole protruding portion 21 has a hexagonal prism shape and the concave portion 33 has a quadrangular prism shape, or the like.

In addition, the first plate member 30 is arranged such that the surface with the large area faces the side, and the first surface 30a faces the screwing member 20 side so that the position of the bolt hole projecting portion 21 of the screwing member 20 is adjusted. , so that the first through hole 31 and the recess 33 are positioned exactly at .

In addition, the first plate member 30 has a plate-like planar portion 35 on the second surface 30b side thereof. The planar portion 35 is fixed by welding or the like so as to be arranged substantially perpendicular to the first plate-shaped member 30, and they are configured to have a substantially T-shape when viewed from above. The plane portion 35 is provided with a third through hole 36 at a position corresponding to the first through hole 31 , so that the bolt member 50 can pass through the first plate member 30 via the plane portion 35 . ing. In addition, between the flat portion 35 and the first plate-like member 30, two ribs 32 each having a substantially right-angled triangular shape when viewed from above are provided on each side, thereby reinforcing the fixation of the plate-like members. . Further, a plurality of second bolt members 90 are arranged so as to pass through the flat portion 35 and are fixed with nuts N. As shown in FIG. This second bolt member 90 is used to penetrate and fix the horizontal member 60 .

1 and 2, the second plate-like member 40 is a plate-like member having a smaller width than the flat portion 35, and is separated from the flat portion 35 of the first plate-like member 30 by a predetermined distance. A second through hole 41 is formed at a position corresponding to the first through hole 31 and the third through hole 36 .

As shown in FIGS. 1 and 2, the bolt member 50 is an elongated bolt, and in this embodiment, it is composed of a cut bolt (other bolts are also possible). The bolt member 50 passes through the second through hole 41 , the third through hole 36 and the first through hole 31 and is screwed into the bolt hole of the bolt hole projecting portion 21 of the screwing member 20 arranged in the recess 33 . Thus, the first plate member 30 is fixed to the stud 80 . At the same time, the flat portion 35 of the first plate member 30 and the second plate member 40 sandwich the horizontal member 60 and tighten the bolt member 50 so that the flat portion 35 and the second plate member 40 are tightened. A horizontal member 60, which will be described later, is sandwiched and held.

As shown in FIGS. 3 and 4, the horizontal member 60 of this embodiment is a steel frame material having a substantially U-shaped cross section like the upper horizontal member 61, which is a steel frame material having a substantially U-shaped cross section. The two horizontal members 61 and 62 are arranged back-to-back with a predetermined gap between them so as to be vertically oblong, and a horizontal member holding plate 63 holds the two horizontal members 61 and 62. A stay holding member 64 arranged on the opposite side and the horizontal member holding plate 63 are tightened and held by holding bolts 65 . Further, the horizontal member 60 having such a configuration is sandwiched between the flat portion 35 of the first plate member 30 and the second plate member 40 and tightened with the bolt member 50 so that the first plate member 30 can be attached to the wall surface. (here stud 80).

Next, referring to FIGS. 6 to 10, a method of fixing the guide mast 70 of the mobile elevating scaffold to the stud 80 and a method of removing the guide mast 70 of the mobile elevating scaffold from the stud 80 using the wall connecting structure 10 described above. will be used for explanation.

First, as shown in FIG. 5, a plurality of (three in this case) screwing members 20 are vertically attached to the stud 80 of the building by screwing or the like (welding or the like is also possible). Next, as shown in FIG. 6, the first plate-like member 30 is installed so that the concave portion 33 of the first plate-like member 30 is just positioned on the bolt hole protrusion 21 of the screwing member 20 . Furthermore, as shown in FIGS. 7 to 10, the flat portion 35 of the first plate member 30 and the second plate member 40 are arranged horizontally with the upper horizontal member 61 and the lower horizontal member 62 facing each other back to back. While holding the horizontal member 60 , the bolt member 50 is passed through the second through hole 41 , the third through hole 36 and the first through hole 31 and screwed into the bolt hole of the bolt hole projecting portion 21 . As a result, the flat portion 35 of the first plate-like member 30 and the second plate-like member 40 can sandwich and hold the horizontal member 60 , and at the same time, the first plate-like member 30 can be fixed to the stud 80 .

When removing the guide mast 70 from the stud 80, the bolt member 50 is removed from the bolt hole of the bolt hole projecting portion 21, and pulled out from the first through hole 31, the third through hole 36, and the second through hole 41. At the same time that the clamping of the material 60 is released, the fixing of the first plate member 30 to the stud 80 is released. Therefore, attachment and detachment of the wall connection structure 10 can be performed in a short time.

Further, the screwing member and the first plate-like member in this embodiment are not limited to the screwing member 20 and the first plate-like member 30 having the above-described shapes. It may be shaped like the screwing member 220 and the first plate-like member 230 in the wall connecting structure 210 of (1).

As shown in FIG. 14, the screwing member 220 of this modified example is a plate-shaped member having a plurality of (here, three) bolt hole projections 221, and the studs 80 It has a fixing hole 222 for fixing.

Further, as shown in FIG. 11, the first plate-shaped member 230 of this modification is a plate-shaped member, and penetrates in the lateral direction from a first surface 230a having a small area to a second surface 230b on the opposite side. A plurality of first through holes 231 are formed, and a concave portion 233 is formed on the first surface 230a side of the first plate-like member 230, into which the bolt hole protrusion 221 of the screwing member 220 is just fitted. there is In addition, on both the upper and lower end sides of the first plate-like member 230, fixing hole protrusions are provided in which holes 234a are provided in the horizontal direction so as to protrude vertically with respect to positions corresponding to the fixing holes 222 of the screwing member 220. A portion 234 is formed.

12 and 13, the stud 80 is fixed to the stud 80 by passing the bolt 255 through the hole 234a of the fixing hole projecting portion 234 of the first plate member 230 and the fixing hole 222 of the screw member 220. Both the screwing member 220 and the first plate-shaped member 230 are simultaneously fixed to the .

With such a structure having fixing hole protrusions 234 on both upper and lower end sides of the first plate-like member 230, the screwing member 220 and the first plate-like member 230 can be fixed more firmly. Furthermore, a stable mounting state can be maintained. The height, width, etc. of the fixing hole projecting portion 234 may be appropriately changed according to the conditions of the installation location.

Moreover, in this modification, only the portions different from those of the first embodiment will be described, and the same portions will be denoted by the same reference numerals, and the description thereof will be omitted.
[Embodiment 2 of the invention]
Embodiment 2 of the present invention will be described below.

15 and 16 show Embodiment 2 of the present invention. In addition, in this embodiment, only points different from the first embodiment will be described, and illustrations and descriptions of the same points will be omitted.

15 and 16, the wall connecting structure 110 of this embodiment has a screwing member 120, a first plate-like member 130, a second plate-like member 140, and a bolt member 150. These is composed of a combination of In addition, the first plate-like member 120 of this embodiment is provided with a planar portion 135 that contacts in a substantially vertical direction.

Then, as shown in FIG. 15, the first plate-like member 130 is fixed to a horizontal member 180 such as a beam of a building with a screwing member 120, and the first plate-like member 130 (in this embodiment, the first plate-like member A horizontal member 60 as a predetermined member is sandwiched between the flat portion 135 of 130 and the second plate-shaped member 140, and a guide mast 70 of a mobile elevating scaffold is fixed to the horizontal member 60, so that it can be attached to the building. In contrast, the guide mast 70 is configured to form a fixed state. Each part of the wall connecting structure 110 will be described in detail below.

First, as shown in FIGS. 15 and 16, the screwing member 120 is to be fixed by screwing a bolt member 150, which will be described later, and is attached to the wall surface of the building. The screwing member 120 of this embodiment is provided on the beam 180 provided on the wall surface in a substantially straight line along the horizontal direction, and is fixed by screwing, welding, etc. As shown in FIG. 16, a bolt hole protrusion 121 is formed to protrude from a flat member. Here, three bolt hole protrusions 121 are provided for one screwing member 120 . In addition, fixing holes 122 for fixing to the horizontal member 180 are provided at both left and right end portions of the screwing member 120 . In addition, one bolt hole projecting portion 21 may be provided in one screwing member 20 as in the first embodiment described above.

Also, as shown in FIG. 15, the first plate member 130 is a plate-like member, and has a first surface that penetrates in the lateral direction from a first surface 130a, which is a surface with a small area, to a second surface 130b on the opposite side. A plurality of through holes 131 are formed. Further, on the side of the first surface 130a of the first plate member 130, a recess 133 is formed in which the bolt hole protrusion 121 of the screwing member 120 is just fitted. Here, since three bolt hole projections 121 are formed, three recesses 133 are also formed accordingly. In addition, the first plate member 130 is arranged such that the surface with the larger area faces the vertical direction, and the first surface 130a faces the screwing member 120 so that the position of the bolt hole projecting portion 121 of the screwing member 120 is adjusted. , so that the first through hole 131 and the recess 133 are positioned exactly at .

Further, on both left and right end portions of the first plate-like member 130, fixing hole projections are provided in which holes 134a protrude in the left-right direction and are provided in the front-rear direction with respect to positions corresponding to the fixing holes 122 of the screwing member 120. A portion 134 is formed. Then, the bolts 155 are passed through the holes 134 a of the fixing hole projecting portion 134 of the first plate member 130 and the fixing holes 122 of the screwing member 120 , and fixed to the horizontal member 180 . Both of the first plate members 130 are fixed at the same time.

With such a configuration having the fixing hole projections 134 on the left and right end sides of the first plate member 130, the screwing member 120 and the first plate member 130 can be fixed more firmly. Furthermore, a stable mounting state can be maintained. The height, width, etc. of the fixing hole projecting portion 134 may be appropriately changed according to the conditions of the installation location.

In addition, the first plate-like member 130 has a plate-like flat portion 135 on the side of the second surface 130b. The planar portion 135 is fixed by welding or the like so as to be arranged substantially perpendicular to the first plate-shaped member 130, and they are configured to have a substantially T-shape when viewed from the side. The plane portion 135 is provided with a third through hole 136 at a position corresponding to the first through hole 131 , so that the bolt member 150 can pass through the first plate member 30 via the plane portion 135 . ing.

As shown in FIG. 15, the second plate member 140 is an elongated member having a substantially U-shape, and is divided into three here. The three second plate-like members 140 are arranged at positions corresponding to the first through holes 131 and the third through holes 136, respectively, and have second plates at positions corresponding to the first through holes 131 and the third through holes 136, respectively. A through hole 141 is provided.

Further, as shown in FIG. 15, the bolt member 150 is an elongated bolt, and in this embodiment, it is composed of a cut bolt (other bolts are also possible). The bolt member 150 passes through the second through-hole 141, the third through-hole 136, and the first through-hole 131 and is screwed into the bolt hole of the bolt hole projecting portion 121 of the screwing member 120 arranged in the recess 133. Thus, the first plate member 130 is fixed to the beam 180. As shown in FIG. At the same time, the flat portion 135 of the first plate-shaped member 130 and the three second plate-shaped members 140 sandwich the horizontal member 60 and tighten the bolt member 150 so that the flat portion 135 and the three second plate-shaped members 140 are tightened. The horizontal member 60 is sandwiched and held with the member 140 .

Next, a method of fixing the guide mast 70 of the mobile elevating scaffold to the beam 180 and a method of removing the guide mast 70 of the mobile elevating scaffold from the beam 180 using the wall connecting structure 110 described above will be described with reference to FIG. do.

First, a screwing member 120 having a plurality of (here, three) bolt hole protrusions 121 is attached laterally to a horizontal member 180 such as a beam of a building by screwing or the like (welding or the like is also acceptable). Next, the first plate-like member 130 is installed so that the recessed portion 133 of the first plate-like member 130 is just positioned on the bolt hole projecting portion 121 of the screwing member 120 . Further, the flat portion 135 of the first plate-like member 130 and the three second plate-like members 140 sandwich the horizontal member 60 in which the upper horizontal member 61 and the lower horizontal member 62 are arranged back-to-back, and are horizontally long. The three bolt members 150 are passed through the three second through holes 141 , the third through hole 136 and the first through hole 131 and screwed into the bolt holes of the bolt hole projecting portion 121 . As a result, the flat portion 135 of the first plate-like member 130 and the three second plate-like members 140 can sandwich and hold the horizontal member 60 , and at the same time, the first plate-like member 130 can be fixed to the beam 180 . .

When removing the guide mast 70 from the beam 180, the bolt member 150 is removed from the bolt hole of the bolt hole projecting portion 121 and pulled out from the first through hole 131, the third through hole 136, and the second through hole 141. At the same time that the clamping of the material 60 is released, the fixation of the first plate member 130 to the beam 180 is released. Therefore, attachment and detachment of the wall connecting structure 110 can be performed in a short time.

In this second embodiment, the first plate-shaped member 130 has fixing hole projections 134 provided with holes 134a corresponding to the fixing holes 122 of the screwing member 120 on both end sides thereof. However, the structure is not limited to this, and a structure without the fixed hole projecting portion may be employed as in the first embodiment. However, the configuration having the fixing hole protrusion can more firmly fix the screwing member 120 and the first plate member 130 to the horizontal member 180 .

As described above, according to the wall connecting structures 10, 110, and 210 of Embodiments 1, 1, and 2, the horizontal member 60 is attached to the building via the first plate members 30, 130, and 230. Therefore, compared to a single-point support structure with bolts, the first plate-like members 30, 130, 230, which are wide members, can disperse the force and firmly support the horizontal position. The material 60 can be supported with sufficient strength. Furthermore, each mounting and fixing can be performed by tightening the bolt members 50 and 150 once, and these members can be removed only by loosening the bolt members 50 and 150, so mounting and removing can be easily performed. be able to.

Further, according to the wall connecting structures 10, 110, 210 of the modified examples 1, 1 and 2 of the first and second embodiments, the first plate members 30, 130, 230 are substantially parallel to the second plate members 40, 140. The horizontal member 60 is sandwiched between the flat portions 35, 135 of the first plate members 30, 130 and the second plate members 40, 140. Therefore, the horizontal members 60 can be held in a more stable state.

Further, according to the wall-connecting structures 10, 110, and 210 of Embodiments 1, 1, and 2 described above, the wall-connecting structures 10, 110, 210, and 210 when fixing the guide mast 70 of the mobile elevating scaffolding to the building. By using it as 210, it is possible to reliably fix a mobile elevating scaffold that is heavy and requires more firm support due to movement due to movement of the scaffold.

The present invention is not limited to the above-described embodiments, and can be applied to other configurations and other usage situations.

For example, according to the above-described embodiments, the present invention can be used for work around the exterior walls of various buildings, and the work is not limited to the work of attaching exterior wall panels, but can be used when performing other work. It can also be used for construction work, repair work, demolition work, etc. around the outer wall of a building.

In each of the above-described embodiments, the wall connecting structures 10, 110, and 210 of the present invention were used to fix the guide mast to the building when working using a mobile elevating scaffold. However, the wall connection structure is not limited to this, and can be used for fixing to a building when installing various heavy objects such as work elevators.

10, 110, 210 wall connecting structures 20, 120, 220 screwing members 21, 121, 221 bolt hole projections 30, 130, 230 first plate members 30a, 130a, 230a first surfaces 30b, 130b, 230b second Surfaces 31, 131, 231 First through holes 32 Ribs 33, 133, 233 Concave portions 35, 135 Flat portions 36, 136 Third through holes 40, 140 Second plate members 41, 141 Second through holes 50, 150 Bolt members 60 Horizontal member (fixed member, predetermined member)
61 Upper horizontal member 62 Lower horizontal member 63 Horizontal member holding plate 64 Stay holding member 65 Holding bolt 70 Guide mast 71 Stay 80 Stud 90 Second bolt member 122, 222 Fixing holes 134, 234 Fixing hole projections 134a, 234a Hole 155 , 255 bolt 180 horizontal member (beam)
N nut

Claims (3)

a screwing member provided on the wall surface of the building and having a bolt hole protrusion;
a first plate-like member attached to the screwing member and having only the bolt hole protruding portion corresponding to a first through hole penetrating from a first surface on the side of the screwing member to a second surface on the opposite side;
a second plate-shaped member disposed substantially parallel to the wall surface at a position spaced apart from the second surface and having a second through hole corresponding to the first through hole;
a bolt member that passes through the second through hole and the first through hole and is fitted into the bolt hole of the bolt hole projecting portion;
and
By disposing a predetermined member between the first plate member and the second plate member and tightening the bolt member, the predetermined member is placed between the first plate member and the second plate member. and a wall connecting structure configured to fix the first plate-like member to the wall surface. The first plate-shaped member has a flat portion provided on the second surface side in an orientation substantially parallel to the second plate-shaped member, and the flat portion corresponds to the first through hole. a third through hole through which the bolt member can pass, and a predetermined member is sandwiched between the planar portion of the first plate-like member and the second plate-like member. The shadow connecting structure according to claim 1, characterized in that: The predetermined member, which is a fixing member for fixing the guide mast of the mobile elevating scaffold to the building, is configured to be sandwiched between the first plate-like member and the second plate-like member. The wall connection structure according to claim 1 or 2.