JP7561407B2 - Wall material mounting structure and wall material mounting method - Google Patents

Description

The present invention relates to a wall material mounting structure and a wall material mounting method.

Conventionally, wall materials that are attached to wall structures such as bricks, tiles, and stones and have an approximately rectangular shape when viewed from the finished surface side are attached to building structures (e.g., walls, etc.).

A dry construction method is known as a construction method for attaching such wall materials to a structure.
As a tile mounting structure using a dry construction method, a wall material mounting structure has been proposed in which multiple vertical rails extending in the up-down direction are joined to multiple horizontal rails extending in the horizontal direction and fixed to the vertical rails with bolts, and multiple tiles are attached to the horizontal rails (see, for example, Patent Document 1).

JP 2019-124100 A

However, in the conventional wall material mounting structure described above, multiple horizontal rails are fixed to vertical rails with bolts. If the bolts loosen over time or are not properly tightened due to construction errors, the horizontal rails to which the tiles are attached may become misaligned, causing the tiles to fall or problems with the joints between the tiles.

The present invention was made in consideration of the above points, and aims to provide a wall material mounting structure that makes it easy to maintain construction accuracy in dry construction methods and reduces the possibility of defects occurring in the wall material over time.

(1) A wall material mounting structure for mounting a wall material, the wall material being attached to a wall structure and having an outline formed in a substantially rectangular shape as viewed from the finished surface side, to the structure,
A plurality of vertical members each having a fixing surface fixed to the structure and extending in the vertical direction;
a plurality of horizontal members each having a horizontal member engaging portion that engages with the plurality of vertical members and an exterior body support portion that is connected to the horizontal member engaging portion and supports an upper end side and a lower end side of the wall material, the horizontal members extending in a direction intersecting with the vertical members;
The vertical member has a vertical member engaging portion on the opposite side to the fixing surface, the vertical member engaging portion engaging with the horizontal member engaging portion,
The vertical member engaging portion is formed with a groove inclined downward,
A wall material mounting structure, characterized in that the horizontal member is fixed to the vertical member by inserting the horizontal member engagement portion into the groove.

In the invention (1), the wall material mounting structure is for mounting a wall material (e.g., brick, tile, stone, etc.) which is attached to a wall structural body (e.g., a reinforced concrete or SRC frame, a wall panel in a steel framed structure (e.g., ALC, etc.), or a wall panel in a wooden structure) and has an outer shape formed in a substantially rectangular shape when viewed from the finished surface side, to the structural body, and comprises a plurality of vertical members and a plurality of horizontal members.
The vertical member has a fixing surface that is fixed to the structure and extends in the vertical direction.
The horizontal member has a horizontal member engaging portion and an exterior body supporting portion, and extends in a direction intersecting the vertical member.
The cross member engagement portion engages the plurality of vertical members.
The exterior body support portion is connected to the cross member engagement portion and supports the wall material.
The vertical member has a vertical member engaging portion on the side opposite the fixing surface, which engages with the horizontal member engaging portion.
The vertical member engaging portion is formed with a groove that slopes downward.
The cross member is fixed to the vertical member by inserting the cross member engagement portion into the groove.

According to the invention of (1), a horizontal member having an exterior body support portion that supports a wall material is fixed to a vertical member by inserting the horizontal member engagement portion into a groove that is formed in the vertical member engagement portion of the vertical member fixed to the structure and that slopes from above toward below.
As a result, the horizontal member supporting the wall material can be fixed to the vertical member fixed to the structure simply by inserting the horizontal member engaging portion of the horizontal member into the groove that slopes downward. In other words, since fixing members such as screws or bolts are not used to fix the member supporting the wall material, there is no risk of the fixing members being insufficiently tightened due to a decrease in construction accuracy, or the fixing members loosening over time, causing the member supporting the wall material to shift from the correct position and causing problems with the wall material.
Therefore, in the dry construction method, it is easy to maintain construction precision, and it is possible to reduce the possibility of defects occurring in the wall material over time.

(2) The wall material mounting structure described in (1) is characterized in that the vertical member engaging portion has a locking portion formed above the extension line of the groove, which can lock the upper end of the horizontal member engaging portion.

According to the invention of (2), a locking portion capable of locking the upper end of the horizontal member engaging portion is formed above the extension line of the groove in the vertical member engaging portion, so that the horizontal member supporting the wall material can be prevented from shifting upward, and the possibility of malfunction of the wall material can be further reduced.

(3) A wall material mounting method using the wall material mounting structure according to (1) or (2),
In the joints between the wall materials attached by the wall material mounting structure and disposed at a position away from the surface of the structure,
A wall material installation method characterized in that at least some of the joints are filled with joint material after injecting the joint material between the structure and the wall material and building up the joint material from the structure to the back surface of the wall material.

According to the invention of (3), at least some of the joints between multiple wall materials that are attached by the wall material attachment structure and positioned away from the surface of the structure are filled with joint material after the joint material is injected between the structure and the wall materials and raised from the structure to the back surface of the wall materials.

Here, when the wall material is installed using a dry construction method, a gap is formed between the structure and the wall material to accommodate the wall material mounting structure, which may result in a reduction in strength compared to when the wall material is attached directly to the structure.
However, according to the invention of (3), the joint material is raised from the structural body to the back surface of the wall material, and then the joints are filled with the joint material. This makes it possible to support the wall material at the joints with the structural body via the joint material, thereby improving the strength of the wall material constructed by the dry construction method.

According to the present invention, it is easy to maintain construction accuracy in dry construction methods, and it is possible to reduce the possibility of defects occurring in wall materials over time.

1 is a diagram illustrating an overview of a wall material mounting structure according to one embodiment of the present invention. FIG. 1A to 1C are diagrams illustrating the configuration of a wall material mounting structure according to one embodiment of the present invention. 1A to 1C are diagrams illustrating a configuration of a vertical member according to an embodiment of the present invention. 1A to 1C are diagrams illustrating a configuration of a vertical member according to an embodiment of the present invention. 1A to 1C are diagrams illustrating a procedure for attaching a wall material mounting structure according to an embodiment of the present invention to a structure. 1A to 1C are diagrams illustrating a procedure for attaching a wall material to a wall material mounting structure according to one embodiment of the present invention. 1 is a diagram illustrating the state of a vertical joint in a wall material mounting method using a wall material mounting structure according to one embodiment of the present invention. FIG.

Embodiments of the present invention will be described below with reference to the drawings. In the following description, identical or similar components will be given the same reference numerals, and their description will be omitted or simplified.

Fig. 1 is a diagram for explaining an outline of a wall material mounting structure according to an embodiment of the present invention. Fig. 1 is a perspective view of a wall material mounting structure 1 mounted on a wall structure 2, and a plurality of wall materials 100 mounted on the wall material mounting structure 1.
Fig. 2 is a diagram illustrating the configuration of a wall material mounting structure according to an embodiment of the present invention. Fig. 2 is a diagram showing the wall material mounting structure 1 attached to a wall structure 2 and having a wall material 100 attached thereto, as viewed from the side.

The wall material mounting structure 1 is attached to a wall structural body 2 and is used to mount a wall material 100, whose external shape as viewed from the finished surface side is formed into a substantially rectangular shape, to the structural body 2, and comprises a number of vertical members 10 and a number of horizontal members 20.

In this embodiment, the wall structure 2 is, for example, a reinforced concrete or steel reinforced concrete frame, a wall panel in a steel frame construction (e.g., ALC, etc.), or a wall panel in a wooden construction, and is not limited to a wall, but may be a pillar, partition, beam, brace, etc., as long as it is a structure for forming a wall surface.

In addition, in this embodiment, the wall material 100 can be any wall material such as brick, tile, stone, ALC, PC panel, etc., as long as the wall material has an approximately rectangular shape when viewed from the finished surface side.

The vertical member 10 has a fixing portion 11 that extends in the vertical direction and has a fixing surface 11a that is fixed to the structure 2 with a fixing member 3 such as a screw, and a vertical member engaging portion 12 that stands upright from the fixing portion 11 on the opposite side of the fixing surface 11a and engages with the horizontal member 20. In this embodiment, the vertical member 10 is formed in a roughly U-shape when viewed from above, with the vertical member engaging portions 12 standing upright from both ends of the fixing portion 11, but this is not limited thereto, and the vertical member 10 may be formed in a roughly L-shape with the vertical member engaging portion 12 standing upright only from one end of the fixing portion 11.

Figure 3 is a diagram explaining the configuration of a vertical member according to one embodiment of the present invention. Figure 3 is a side view of the vertical member 10 attached to the wall structure 2, without the horizontal member 20 or wall material 100 attached.

Grooves 121 are formed in the vertical member engaging portion 12, sloping downward from the tip side (the end opposite the fixed portion 11) toward the base side (the fixed portion 11 side/structure 2 side). A plurality of grooves 121 are formed in the vertical member engaging portion 12 at predetermined intervals (e.g., the height dimension of the wall material 100 plus the dimension of the joints that are the spacing between adjacent wall materials 100) along the direction in which the vertical member engaging portion 12 extends.

The tip side of the groove 121 is formed with a width wider than the base end side, and an insertion section 121a is formed with an open tip side. By providing such an insertion section 121a, it becomes easier to insert the cross member engagement section 21 of the cross member 20 described later into the groove 121, improving workability.

The vertical member engaging portion 12 forms an upper edge of an insertion portion 121a above the extension line of the groove 121, and is provided with a locking portion 122 capable of locking the upper end of a horizontal member engaging portion 21 of a horizontal member 20 described later.
In the example shown in Figure 3, the engagement portion 122 is formed horizontally, but it can be of any shape as long as it is capable of engaging the upper end of the horizontal member engagement portion 21. For example, it may be a shape that slopes downward from the upper end of the groove 121 toward the tip side of the vertical member engagement portion 12.

The vertical member engagement portion 12 also has a hook portion 123 formed between the groove 121 and the tip side edge.

Figure 4 is a diagram explaining the configuration of a vertical member according to one embodiment of the present invention. Figure 4 shows the vertical member 10 attached to the wall structure 2, viewed from the front (the direction in which the horizontal member 20 and wall material 100 are attached), without the horizontal member 20 or wall material 100 attached.

The hook portions 123 of the vertical member engaging portions 12 standing on both ends of the fixing portion 11 have their base ends near the lower ends of the grooves 121 and are folded in such a direction that their upper ends approach each other.
With this configuration, for example, by inserting a lateral member engaging portion 21 of the lateral member 20 described later into the groove 121 and hitting it with a hammer or the like to press the hook portion 123 toward the fixed portion 11, the hook portion 123 is deformed so as to fall toward the fixed portion 11. As a result, the lateral member engaging portion 21 of the lateral member 20 is sandwiched between the fixed portion 11 side edge of the groove 121 and the fixed portion 11 side edge of the hook portion 123, making it possible to more firmly fix the lateral member 20 to the fixed portion 11.

Returning to FIG. 2 , the horizontal members 20 extend in a direction intersecting the vertical members 10 (horizontally in the example shown in FIG. 1 and the like), are attached to the multiple vertical members 10 , and support the wall material 100 .
The horizontal member 20 has a horizontal member engaging portion 21 arranged on the vertical member 10 side (rear side), and an exterior body support portion 22 connected to the horizontal member engaging portion 21, arranged on the front side, and supporting the wall material 100.

The horizontal member engaging portion 21 is inserted into the groove 121 of the vertical member 10 and engages with the groove 121. When the horizontal member 20 is attached to the vertical member 10, the horizontal member engaging portion 21 slopes downward from the front end (upper end of the horizontal member 20) to the back end (lower end of the horizontal member engaging portion 21) in a direction approaching the structure 2. The horizontal member engaging portion 21 slopes at approximately the same angle as the groove 121 with respect to the vertical line.

The exterior body support part 22 has a descending part 221 whose rear end is connected to the horizontal member engagement part 21, a wall material lower end support part 222 whose rear end is connected to the descending part 221, and a wall material upper end support part 223 whose upper end is connected to the wall material lower end support part 222.

When the cross member 20 is attached to the vertical member 10, the downwardly extending portion 221 slopes downward from the back side end portion (upper end of the cross member 20) connected to the cross member engaging portion 21 toward the front side end portion (lower end of the cross member engaging portion 21) in a direction away from the structure 2.
With this configuration, the downward portion 221 and the horizontal member engaging portion 21 clamp the hook portion 123 of the vertical member 10. This makes it possible to fix the horizontal member 20 to the fixing portion 11 more firmly.

When the horizontal member 20 is attached to the vertical member 10, the wall material bottom end support section 222 extends horizontally from the base end (the section connected to the downward section 221) toward the front side, and supports the bottom end of the wall material 100 on its upper surface, with the wall material 100 placed on it.

When the horizontal member 20 is attached to the vertical member 10, the wall material upper end support portion 223 extends downward from the base end (the portion connected to the wall material lower end support portion 222) and supports the upper end of the wall material 100 placed directly below the wall material 100 placed on the wall material lower end support portion 222.

Here, in the present embodiment, the wall material 100 has a notch 101 formed on the upper edge thereof, the notch 101 extending in a direction parallel to the front surface.
The lower end of the wall material 100 is supported by a wall material lower end support portion 222 of a certain cross member 20, and the upper end is supported by another cross member 20 by inserting a wall material upper end support portion 223 of another cross member 20 arranged directly above the certain cross member 20 into the notch 101.

Next, a wall material mounting method using the wall material mounting structure will be described.
FIG. 5 is a diagram illustrating a procedure for attaching a wall material mounting structure according to an embodiment of the present invention to a structure.
First, the installer fixes the multiple vertical members 10 to the structure 2 at a predetermined interval (for example, 500 mm interval) with the longitudinal direction oriented vertically. At this time, the multiple vertical members 10 are fixed to the structure 2 with the heights of the grooves 121 of the multiple vertical members 10 aligned.

Next, the installer inserts the horizontal member engaging portion 21 of the horizontal member 20 into the groove 121 of the vertical member 10 as shown in FIG. 5. Then, the installer engages the upper end of this horizontal member engaging portion 21 with the locking portion 122 of the vertical member 10 as shown in FIG. 2, and hits it with a hammer or the like to press the hook portion 123 of the vertical member 10 toward the fixed portion 11. As a result, the horizontal member engaging portion 21 is clamped between the side edge of the groove 121 on the fixed portion 11 side and the side edge of the hook portion 123 on the fixed portion 11 side.

FIG. 6 is a diagram for explaining a procedure for attaching a wall material to the wall material mounting structure according to one embodiment of the present invention.
The builder then inserts the wall material upper end support portion 223 of a horizontal member 20 into the notch 101 of the wall material 100, and places the lower end of the wall material 100 on the wall material lower end support portion 222 of another horizontal member 20 that is placed directly below the horizontal member 20, as shown in Figure 2. In this manner, the builder places a plurality of wall materials 100 in the direction in which the horizontal members 20 extend, leaving joints of a specified dimension. The builder then fills the joints with a joint material (for example, a cement-based joint material or caulking (waterproof seal), etc.).

In this way, in the horizontal joint of the wall material 100 attached to the wall material mounting structure 1, the installer injects the joint material into the notch 101 and presses the wall material upper end support part 223 against the fixing surface side of the notch 101 with the joint material.

FIG. 7 is a diagram for explaining the state of vertical joints in a wall material mounting method using a wall material mounting structure according to one embodiment of the present invention.
When filling the joints, the contractor injects joint material (the dotted portion shown in FIG. 7) between the structure 2 and the wall material 100 through at least some of the joints (e.g., vertical joints) as shown in FIG. 7, builds up from the structure 2 to the back surface of the wall material 100, and then fills in the joint material.

The present invention is not limited to the above-described embodiment, and any modifications or improvements that can achieve the object of the present invention are included in the present invention.

REFERENCE SIGNS LIST 1 wall material mounting structure 2 structure 3 fixing member 10 vertical member 11 fixing portion 11a fixing surface 12 vertical member engaging portion 20 horizontal member 21 horizontal member engaging portion 22 exterior body support portion 100 wall material 101 notch 121 groove 121a insertion portion 122 locking portion 123 hook portion 221 descending portion 222 wall material lower end support portion 223 wall material upper end support portion

Claims (2)

A wall material mounting structure for mounting a wall material, the wall material being attached to a wall structure and having an outline formed in a substantially rectangular shape as viewed from a finishing surface side, to the structure,
A plurality of vertical members each having a fixing surface fixed to the structure and extending in the vertical direction;
a plurality of horizontal members each having a horizontal member engaging portion that engages with the plurality of vertical members and an exterior body support portion that is connected to the horizontal member engaging portion and supports the wall material, the horizontal members extending in a direction intersecting the vertical members;
The vertical member has a vertical member engaging portion on the opposite side to the fixing surface, the vertical member engaging portion engaging with the horizontal member engaging portion,
The vertical member engaging portion is formed with a groove inclined downward,
The horizontal member is fixed to the vertical member by inserting the horizontal member engagement portion into the groove ,
A wall material mounting structure , characterized in that the vertical member engaging portion has a locking portion formed above the extension line of the groove, the locking portion being capable of locking the upper end of the horizontal member engaging portion . A wall material mounting method using the wall material mounting structure according to claim 1 ,
In the joints between the wall materials attached by the wall material mounting structure and disposed at a position away from the surface of the structure,
A wall material installation method characterized in that at least a portion of the joints are filled with joint material after injecting joint material between the structure and the wall material and raising the joint material from the structure to the back surface of the wall material.

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