JP6186129B2 - Wall structure - Google Patents

Description

  The present invention relates to a wall surface structure constituting a wall surface of a building or a fence.

  In Non-Patent Document 1, as shown in FIGS. 8 and 9, a wall surface in which an auxiliary material 103 is installed on the inner periphery of the mounting frame 101 and a siding material 105 is attached to each of the inner side and the outer side of the auxiliary material 103. A structure (waist wall) 107 is disclosed.

Pages 644 and 645 “Sankyo Tateyama Aluminum Wall Exterior Catalog 2012-2013 for business use” issued by Sankyo Tateyama Aluminum Co., Ltd. Catalog No. STW0224A March 2012 issue

However, the siding material 105 is expensive, and the wall surface structure 107 shown in Non-Patent Document 1 has a three-layer structure in which the auxiliary material 103 and the siding materials 105 and 105 are attached to the inside and the outside of the auxiliary material 103, respectively. Therefore, there is a disadvantage that the number of parts increases and the construction takes time.
Further, there has been a demand for a wall surface structure that can obtain an appearance similar to that of a conventional wall surface structure and that uses an inexpensive aluminum material instead of a siding material.

  Therefore, an object of the present invention is to provide a wall structure that is easy to construct and inexpensive.

The invention according to claim 1 includes a mounting frame, a frame with an outer panel member, and a plurality of inner panel members, and the outer panel member-attached frame is between end frame members facing the outer panel members. Arranged next to each other, each outer panel material is screwed to the end frame material, and the end frame material is screwed to the inside of the mounting frame from the inner peripheral side, and each inner panel material is one side portion Is engaged with the outer panel material and is screwed, and the other side portion is overlapped with the screwing portion on one side portion of the inner panel adjacent to the other side in the expected direction from the inner side. A wall structure characterized in that an intermediate portion between the first side portion and the other side portion is locked to the outer panel member from the same direction as the first side portion .
The invention according to claim 2 includes a mounting frame, a frame with an outer panel member, and a plurality of inner panel members, and the outer panel member-attached frame is between end frame members facing the outer panel members. Arranged next to each other, each outer panel material is screwed to the end frame material, and the end frame material is screwed to the inside of the mounting frame from the inner peripheral side, and each inner panel material is one side portion Is engaged with the outer panel member, and is screwed across one side portion of the outer panel member and the other side portion of the outer panel member adjacent thereto, and between the one side portion and the other side portion. The wall portion is characterized in that the intermediate portion is locked to the outer panel member from the same direction as the one side portion .

According to invention of Claim 1, the edge part frame material of a frame with an outer side panel material is screwed to a mounting frame, the intermediate part of an inner side panel material is latched to an outer side panel material, and one side part is outside. The installation work is easy because it requires only a simple mounting operation by screwing the panel material, and there is no need for a process for constructing an auxiliary material for attaching the outer panel material and the inner panel material as in the prior art.
Because the frame with the outer panel material is arranged on the inner periphery of the mounting frame, the end frame material is screwed from the inner peripheral side inside the mounting frame, and the inner panel material is screwed to the outer panel material from the inner side. The screwing operation is only required from the inside of the mounting frame, and the workability is better than when the siding panel material is screwed to the auxiliary material from both the inside and the outside as in the prior art.
Moreover, since the process of constructing auxiliary materials as in the prior art is unnecessary, the construction cost can be reduced, and an aluminum material can be used for the inner panel material and the outer panel material, so that an inexpensive wall structure can be provided. .
Furthermore, since the inner panel member has the intermediate portion locked to the outer panel member, the portion locked to the outer panel member cannot be seen from the inside, so that the appearance is good.
The inner panel material is screwed on one side to the outer panel material, so the other side of the other inner panel material adjacent to the one inner panel material on the one side is connected to the one side portion of the one inner panel material. By disposing at a position facing the inner side, a screw for stopping one inner panel material can be hidden by another inner panel material.

It is a wall surface structure concerning 1st Embodiment of this invention, Comprising: It is AA sectional drawing shown in FIG. It is a wall surface structure concerning 1st Embodiment of this invention, Comprising: It is BB sectional drawing shown in FIG. It is a figure which shows the construction process of the wall surface structure concerning 1st Embodiment of this invention, Comprising: It is AA sectional drawing shown in FIG. It is a perspective view of a simple building using the wall surface structure concerning a 1st embodiment of the present invention. It is CC sectional drawing shown in FIG. It is EE sectional drawing shown in FIG. It is FF sectional drawing shown in FIG. It is a longitudinal cross-sectional view of the simple building using the wall surface structure of the conventional wall surface structure. It is TT sectional drawing shown in FIG.

Embodiments of the present invention will be described below with reference to FIGS. As shown in FIG. 4, the wall surface structure 1 according to the present embodiment is a waist wall used in a simple building 3 such as a so-called garden room, and is used for a wall surface G on the front side of the simple building 3. A sash 5 is attached to the upper side of the wall surface structure 1. The sash 5 is a FIX sash.
As shown in FIGS. 1 and 2, the wall surface structure 1 includes a mounting frame 7, a frame 9 with an outer panel member (see FIG. 3B), and a plurality of inner panel members 11.
The mounting frame 7 frames a lower frame 13, an upper frame 15, and left and right flange frames 17, 17. Of the four wall surface structures 1 shown in FIG. 4, the rightmost wall structure 1 is As shown on the left side of FIG. 2, the port frame 17 is fixed to the right side surface of the column 19, and the starboard frame 17 also serves as the left side surface of the column, and the four wall surface structures shown in FIG. In the leftmost wall structure 1 of FIG. 1, the starboard frame 17 also serves as a right-hand side surface, and the starboard frame 17 is fixed to the left side surface of the column 19. In FIG. 4, in the two wall surface structures 1 located in the middle between the left and right sides, the left and right collar frames 17, 17 also serve as side surfaces. In FIG. 2, the cover attached to the pillar 19 is omitted.

Since the configuration of each wall surface structure 1 shown in FIG. 4 is substantially the same except for the mounting frame 7 described above, in the following description, the wall surface structure on the rightmost side among the wall surface structures shown in FIG. 1 will be described.
As shown in FIG.3 (b), the frame 9 with an outer side panel material has the frame 29 which framed the lower frame material 23, the upper frame material 25, the left and right collar frame materials (end part frame materials) 27, 27, And a plurality of outer panel members 31 arranged in the frame body 29.
The expected dimension H of the frame body 29 of the frame 9 with the outer panel material is substantially the same as the expected dimension h of the mounting frame 7, and the frame body 29 is disposed so as to overlap the inner peripheral side surface of the mounting frame 7. As shown in FIG. 1 and FIG. 3C, the collar frame members 27, 27 and the upper frame member 25 of the frame body 29 are respectively located on the inner side of the prospective direction center and with screws 33 that are fixed to the mounting frame 7 from the inner peripheral side. Stopped. As shown in FIGS. 1 and 3D, the lower frame member 23 of the frame 29 is fixed to the inner surface of the lower frame 13 of the mounting frame 7 with screws 34 from the inside.

As shown in FIG. 1 and FIG. 2, each outer panel member 31 is an aluminum shape that is long in the left-right direction, and the plurality of outer panel members 31 are between left and right collar frame members (end frame members) 27, 27. Are arranged next to each other vertically. Each outer panel member 31 has its left and right ends fixed to the frame member 27 of the opposing frame 29 with screws 35 from the outer peripheral side.
As shown in FIG. 1, each outer panel member 31 is disposed so as to face the lower side portion 31 b of the outer panel member 31 with its upper portion 31 a positioned on the inner side. The lower side portion 31b of 31 is disposed so as to overlap the lower side portion 31b of the outer panel member 31 positioned thereon.
Each outer panel member 31 has a locked portion 36 formed inside an intermediate portion 31c between the upper portion 31a and the lower portion 31b. The locked portion 36 has a groove shape that is long in the left-right direction and opens upward.
In addition, the outer panel member 31 is formed with an engaged portion 41 to which the inner panel member 11 is engaged from above on the inner side of the upper portion 31a.

As shown in FIG. 1, the inner panel member 11 is arranged adjacent to each other vertically inside the outer panel member 31. The inner panel member 11 is an aluminum shape member, and the upper part (one side part) 11a of the inner panel member 11 has an upper part 31a of the outer panel member 31 and an outer panel member positioned on the packing member 47. 31 is overlapped with the lower side portion 31b of the base plate 31 and fixed to the outer panel member 31 with a screw 37 that stops the overlapped portion from the inside.
Further, the inner panel member 11 is provided with an engaging portion 43 that engages with the engaged portion 41 of the outer panel member 31 from above.
Each inner panel material 11 is provided with a locking portion 45 at an intermediate portion 11c between the upper side portion (one side portion) 11a and the lower side portion (the other side portion) 11b. 11 to the locked portion 36 via a packing material 44.
As shown in FIG. 1 and FIG. 2, the inner side surface of the inner panel member 11 is located on the inner side beyond the screw 33 that fixes the collar frame material 27 to the collar frame 17. 33 is hidden.
The lower side portion 11 b of the inner panel member 11 at the lowest position is fixed to the lower frame member 23 with a cushion material 48 interposed between the lower surface portion 11 b and the upper surface of the lower frame member 23.
The upper frame member 25 of the outer panel member-attached frame 9 has eye plates 49 attached to the inner side and the outer side, respectively, and the upper side and upper portions of the outermost panel member 31 and the inner panel member 11 positioned at the top. The space between the frame member 25 is covered.

Next, in the simplified building 1 shown in FIG. 4, the wall surface structure 51 of the wall surface J on the left and right sides will be described. However, since the structures of the left and right wall surfaces J are substantially the same, the wall surface J located on the right side in FIG. Will be described. In the following description, parts having the same operational effects as those of the wall surface structure 1 of the wall surface G on the front side described above are denoted by the same reference numerals, and detailed description thereof is omitted. In FIG. 4, what is indicated by a symbol M is a folding door.
The wall structure 51 is provided with a waist wall 58 and a sash 55 integrally.
As shown in FIGS. 5 and 6, in the wall surface structure 51, a frame 50 with a panel material is provided on the inner periphery of the mounting frame 7. The frame 50 with a panel material includes a plurality of panel materials 52, left and right collar frame materials (end frame materials) 27, 27, a lower frame material 23, an upper frame material 25, a lower frame material 23, and an upper frame material. 25 and an intermediate frame member 54 provided therebetween.

As shown in FIG. 5, the sash 55 is a FIX sash, and a FIX sash panel 57 is provided between the intermediate frame member 54 and the upper frame member 25, and the upper surface of the intermediate frame member 54 and the upper frame member 25 are FIX panel insertion grooves 56 are respectively formed on the lower surface.
In the lower frame member 23 of the frame 50 with the panel material, a lower groove portion 53 into which the lower side portion 52b of the panel material 32 positioned on the lowermost side is inserted is formed on the upper surface. The lower groove portion 53 has substantially the same groove width as the groove width K of the FIX sash panel insertion groove 56 provided on the lower surface of the upper frame member 25 and the upper surface of the intermediate frame member 54.
An upper groove portion 61 into which the upper portion 52 a of the uppermost panel member 52 is inserted is formed on the lower surface of the intermediate frame member 54, and the upper groove portion 61 is substantially the same as the groove width K of the lower groove portion 53. The width.
As shown in FIGS. 6 and 7, the left and right collar frame members 27, 27 are provided between the waist wall 58 and the sash 55, and are used as a collar frame material common to the waist wall 58 and the sash 55. Used.
Each frame member 27 is formed with an engaging portion 63 extending in the longitudinal direction with a substantially L-shaped cross section protruding from the inner peripheral side. An airtight material 64 is held on the outer peripheral side of the collar frame material 27, and the space between the mounting frame 7 and the collar frame 17 is hermetically maintained.
As shown in FIG. 6, an engaged portion 66 of a panel attachment member 65 to which the panel material 52 is attached is engaged with the engaging portion 63 at a portion corresponding to the waist wall 58. The panel attachment member 65 is formed with a hollow portion 67 and a groove portion 69 that is recessed on the inner peripheral side, and the left and right side ends (one side end) of the panel member 52 are fixed to the groove portion 69 with screws 71 that are stopped from the outer peripheral side. The hollow portion 67 is fixed to the eaves frame member 27 with screws 72 from the outer peripheral side.

The panel material 52 is an aluminum shape and has a thickness K substantially the same as that of the FIX sash panel 57, as shown in FIG.
In this panel material 52, the upper side portion 52a protrudes upward on the inner side, the lower side portion 52b protrudes downward on the outer side, and the adjacent panel material 52 in the upper and lower sides has an upper side portion 52a and a lower side portion. 52b are opposed to each other with a cushion material 73 interposed therebetween.
As shown in FIG. 7, in the sash 55, a panel end holding member 75 is disposed on the inner peripheral side of the collar frame member 27, and the engaged portion 77 of the panel edge retaining member 75 is engaged with the collar frame member 27. The panel end holding member 75 is fixed to the collar frame member 27 with a screw 79 by engaging with the joint portion 63. The panel end holding member 75 is provided with a locking portion 75a of a pressing edge 81 attached from the inner side to the inner peripheral side.

Next, construction of the simple building 3 according to the first embodiment will be described.
As shown in FIG. 4, pillars 19 are erected, girders 83 are erected between the pillars 19, and a rafter 85 is attached between the rafters (not shown) attached to the outer wall 6 of the building and the pillars 19. A vertical 21 is attached between the pillars 19 and 19 between the beam 83 and a base material (not shown). As shown in FIG. 1 and FIG. 2, a lower frame 13 and an upper frame 15 are respectively attached between the pillar 19 and the stand 21, and as shown in FIG. Each mounting frame 7 of the wall surface structure 51 of the side wall J is formed. A roof 87 is attached on each column 19, 19.

As shown in FIGS. 3A and 3B, the wall surface structure 1 assembles the frame 9 with the outer panel material separately from the mounting frame 7.
The frame 9 with the outer panel material is assembled by forming the frame body 29 by framing the lower frame material 23, the upper frame material 25, and the left and right collar frame materials 27, 27, and as shown in FIG. The left and right end portions of 31 are fixed to the eaves frame members 27, 27 with screws 35 from the outer peripheral side. In this way, the plurality of outer panel members 31 are fixed adjacent to each other in the vertical direction in the frame body 29.
As shown in FIGS. 3B and 3C, the frame member 9 with the outer panel is arranged on the inner periphery of the mounting frame 7, and the frame member 27 of the frame 9 with the outer panel member is attached to the frame 17 of the mounting frame 7. The frame 9 with the outer panel material is fastened with screws 33 from the inner peripheral side inside the center of the prospective direction.
Next, as shown in FIG. 3 (c), the inner panel material 11 to be positioned at the bottom is arranged, and as shown in FIG. The engaging portion 45 in the intermediate portion 11 c of the inner panel member 11 is locked from above, and the engaging portion 43 of the inner panel member 11 is engaged with the engaged portion 41 of the outer panel member 31. The upper portion 11 a of the outer panel member 31 is fastened to the upper portion 31 a of the outer panel member 31 with screws 37. In this way, the inner panel material 11 is attached to the outer panel 31 in order from the bottom.
Thereafter, as shown in FIG. 3 (d), eye plates 49 are attached to the inner side and the outer side of the upper frame member 25.
As described above, after constructing the wall structure 1 of the front wall G, the panel 46 is fitted to the sash 5 and the front wall G is constructed as shown in FIG.

Next, the construction of the wall surface structure 51 of the side wall J will be described. As shown in FIGS. 5 to 7, the frame 29 is first assembled by attaching the lower frame member 23, the upper frame member 25, and the intermediate frame member 54 between the left and right eaves frame members 27, 27. The heel frame members 27 and 27 are common frame members as the heel frame material of the waist wall 58 and the sash 55.
On the other hand, as shown in FIG. 6, the panel member 52 is sandwiched between the left and right panel attachment members 65, and the end portions of the panel member 52 are attached to the panel attachment member 65 with screws 71 that are fastened from the outer peripheral side. The panel member 52 is attached to the panel attachment member 65 sequentially from the bottom. As shown in FIG. 5, the cushion member 73 is provided between the upper part 52a of the panel member 52 and the lower part 52b of the panel member 52 positioned thereon. Attach with a gap.
Next, the panel body 68 is assembled between the lower frame member 23 and the intermediate frame member 54. As shown in FIG. 5, the assembly of the panel body 68 is performed by the lower side portion 52b of the panel member 52 at the lowest position. Is inserted into the lower groove portion 53 of the lower frame member 23, and the upper portion 52a of the panel member 52 at the uppermost position is inserted into the upper groove portion 61 of the intermediate frame member 54, and then, as shown in FIG. The engaged portion 66 of the panel mounting member 65 is engaged with an engaging portion 63 formed on the inner peripheral side prospective surface of the opposite collar frame members 27, 27, and is fastened with screws 72. Thereby, the assembly of the frame 50 with the panel material is completed.
Then, as shown in FIG. 5, the frame 50 with a panel material is arrange | positioned to the inner peripheral side of the attachment frame 7, and as shown in FIGS. The left and right collar frame members 27, 27 are fixed to the collar frames 17, 17 with screws 89 that are respectively secured from the inner peripheral side, and the lower frame member 23 is fixed to the finding surface of the lower frame 13 with screws 34.
Next, as shown in FIG. 7, between the intermediate frame member 54 and the upper frame member 25, the engagement portion 77 of the panel end holding member 75 is engaged with the flange member 27, 27. The panel end holding member 75 is engaged with the joint 63 and fixed with the screw 79.
Then, the FIX sash panel 57 is disposed inside the panel end holding member 75, and the pressing edge 81 is locked to the locking portion 75 a of the panel end holding member 75 to fix the FIX sash panel 57.

According to the wall surface structure 1 according to the present embodiment, the eaves frame material (end frame material) 27 of the frame 9 with the outer panel material is fastened to the mounting frame 7 with the screws 33, and the intermediate portion 11c of the inner panel material 11 is secured. It is possible to simply attach the outer panel member 31 to the outer panel member 31 and fasten the upper portion (one side portion) 11a to the outer panel member 31 with screws 37. Since the process of constructing the auxiliary material for attaching 11 is unnecessary, construction is easy.
The frame 9 with the outer panel material is arranged on the inner periphery of the mounting frame 7, and the collar frame members 27, 27 are fastened with screws 33 from the inner peripheral side inside the mounting frame 7, and the inner panel member 11 is attached to the outer panel member 31. Since the screw 37 is fixed from the inside, the screwing operation is only required from the inside of the mounting frame 7, and compared to the case where the siding panel material is screwed to the auxiliary material from both the inside and the outside as in the prior art. Good workability.
Moreover, since the process of constructing an auxiliary material as in the prior art is not required, the construction cost can be reduced, and an aluminum shape is used for the inner panel member 11 and the outer panel member 31, so an inexpensive wall structure. Can provide.
Since aluminum shapes are used for the inner panel material 11 and the outer panel material 31, they are lighter than the siding panel as in the prior art, but are as heavy as when using the siding panel. A feeling can be obtained.
Since the inner panel member 11 locks the intermediate portion 11c to the outer panel member 31, the portion locked to the outer panel member 31 cannot be seen from the inside, so that the appearance is good.
Since the inner side panel material 11 fixes the upper side part (one side part) 11a to the outer side panel material 31 with the screw 37, the lower side of the other inner side panel material 31 adjacent to the one inner side panel material 31 on the upper side (one side). By disposing the part (the other side part) 11 b at a position facing the inside of the upper part 11 a of the one inner panel member 31, the screw 37 that stops the one inner panel member 31 is hidden by the other inner panel member 31. be able to.

As shown in FIG. 1, a packing material spans the upper and lower outer panel members 31, 31 at the portion where the lower portion 31 b of the outer panel member 31 and the upper portion 11 a of the inner panel member 11 are fastened with screws 37. Since 47 is interposed, the space between the adjacent outer panel materials 31 can be kept watertight.
In the intermediate portion 11c of the inner panel material 11, the locking portion 45 is locked to the locked portion 36 of the outer panel material 31 via the packing material 44. Can be prevented.
As shown in FIG. 3, the outer panel member 31 is assembled with the outer panel member-attached frame 9 attached to the frame 29 separately from the attachment frame 7, and then the outer panel member-attached frame 9 is attached to the inner periphery of the attachment frame 7. Since it arrange | positions and is fixed to the attachment frame 7, since it can also be fixed to the attachment frame 7 in a construction site after the frame 9 with an outer panel is assembled in a factory, it is easy to construct.
As shown in FIG. 1, the screw 33 for fixing the frame 9 with the outer panel material to the collar frame 17 is concealed by the inner panel material 11, so that the appearance is good.

As shown in FIGS. 6 and 7, on the wall surface J on the side surface side of the simple building 3, the wall surface structure 51 is provided with an engagement portion 63 in the longitudinal direction in the fence frame members 27, 27, Since the attachment member 65 and the panel end holding member 75 are respectively engaged with the engaging portion 63, the common heel frame members 27 and 27 can be used for the waist wall 58 and the sash 55, so the number of parts is reduced. it can.
As shown in FIG. 5, the lower groove portion 53 of the lower frame member 23, the upper groove portion 61 provided on the lower surface of the intermediate frame member 54, and the FIX sash provided on the lower surface of the upper frame member 25 and the upper surface of the intermediate frame member 54. The groove width with the panel insertion groove 56 is substantially the same groove width K, and the thickness of the FIX sash panel 57 and the panel material 52 is also substantially the same as the groove width K of each groove portion. The FIX sash can be formed by using a FIX sash panel 57 instead of the panel material 52. In the present embodiment, by attaching the panel material 52 to the waist wall 58, it is possible to obtain the same aluminum profile as that of the wall surface structure 1 of the wall G on the front side. A bodily appearance can be obtained.
The waist wall 58 has a three-layer structure composed of an outer panel material, an upper panel material, and an auxiliary material as in the prior art because the panel body 68 to which the panel material 52 is fixed is fixed to the heel frame material 27 with screws 72. Compared to, construction is easier. In addition, since the construction is easy, the construction cost can be reduced, and an aluminum shape is used for the panel material 52, so that an inexpensive wall structure can be provided.
The panel mounting member 65 is provided with a groove 69 having an opening on the outer peripheral side, and the head of the screw 71 that stops the panel 52 is housed in the groove 69. Therefore, the head of the screw 71 does not protrude from the outer peripheral side. The panel body 68 can be assembled without obstructing.
Since the panel body 68 is assembled separately from the mounting frame 7 and is arranged on the inner periphery of the mounting frame 7 and fixed to the mounting frame, the panel body 68 is assembled at the construction site after the panel body 68 is assembled at the factory, for example. Since it can also be fixed to 7, it is easy to construct.
Since one panel material 52 has the upper side portion 52a opposed to the lower side portion 52b of the other panel material 52 positioned thereon via a cushion material 73, it is possible to prevent the generation of metal sounds and to achieve water tightness. be able to.
Since the thickness of the panel material 52 is set to substantially the same thickness K as the thickness of the FIX sash panel 57, the thickness of the panel material 52 is thin, so that less material is used and the cost can be reduced and the weight can be reduced.

The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the present invention.
The wall surface structure 1 is not limited to the waist wall of a simple building, and may constitute the entire wall surface, or may be a fence, a partition, a screen, or the like.
For example, the sash 5 attached on the wall surface structure 1 is not limited to the FIX sash, and may be a sliding door sash, an open sash, a rotating sash, or the like.
In the wall surface structure 1, the plurality of outer panel members 31 and the plurality of inner panel members 11 are not limited to disposing the panel members in the vertical direction, but may be disposed in the left-right direction. In this case, one side is the left and right one side, and the other side is the left and right other side.
Similarly, in the wall surface structure 51, the panel material 52 is not limited to being arranged in the vertical direction, and may be arranged in the horizontal direction.
In the wall structure 1, the outer panel member-attached frame 9 has the lower panel member 15 and the upper frame member 25 integrally provided, and the outer panel member 31 is attached only to the frame members (end frame members) 17 and 17. Also good.

DESCRIPTION OF SYMBOLS 1 Wall structure 7 Mounting frame 9 Frame with outer panel material 11 Inner panel material 11a Upper side part (one side part)
11b Lower side (the other side)
11c Intermediate part 31 Outer panel material 27 Collar frame material (end part frame material)
33 Screws (screws that hold the end frame material)
35 screws (screws that secure the outer panel material)
37 screws (screws that secure the inner frame)

Claims (2)

A mounting frame, a frame with an outer panel member, and a plurality of inner panel members, each of the outer panel members having a plurality of outer panel members arranged adjacent to each other between end frame members facing each other. The end frame material is screwed to the inside of the mounting frame from the inner peripheral side, and each inner panel material engages one side portion with the outer panel material. And the other side is overlapped with the screwed portion on one side of the inner panel adjacent to the other side in the expected direction from the inside, and between the one side and the other side A wall structure characterized in that the portion is locked to the outer panel material from the same direction as the one side portion . A mounting frame, a frame with an outer panel member, and a plurality of inner panel members, each of the outer panel members having a plurality of outer panel members arranged adjacent to each other between end frame members facing each other. The end frame material is screwed to the inside of the mounting frame from the inner peripheral side, and each inner panel material engages one side portion with the outer panel material. one Yes screwed across the other side of the outer panels adjacent thereto and one side of the outer panels, whereas the intermediate portion between the side and the other side to the outer panels with some A wall surface structure that is locked from the same direction as the side portion .

Images