JP3157055U - Large tile mounting bracket and large tile mounting structure using the same - Google Patents

Abstract

[PROBLEMS] To prevent large tiles from falling off the base material and to adjust the height of adjacent large tiles on the surface side, and to make the installation work extremely easy and shorten the construction period. A metal fitting and a large tile mounting structure using the same are provided. A large tile mounting bracket 1 is a large tile mounting bracket that is interposed between a base material and a large tile and attaches the large tile to the base material, and abuts the back side of the upper large tile. A first protrusion 2 for forming the second protrusion 3 for contacting the back side of the lower large tile provided in the lower portion of the first protrusion 2, and a groove formed on the back of the large tile And the fixing member insertion holes 5A and 5B for fixing to the base material. [Selection] Figure 2

Description

  The present invention relates to a large tile mounting bracket suitable for use in a dry construction method for a wall surface of a building or the like or a tipping construction method such as a PC board, and a large tile mounting structure using the same.

In recent years, from the request of a decrease in the number of tile construction engineers, shortening of the construction period or cost reduction, a dry construction method and a tip construction method such as a PC board have become common as a tile construction method.
In these construction methods, a large tile is fixed to a base material with a metal fitting or the like. For example, as such a large tile attachment metal fitting, a tile holder disclosed in Japanese Patent Application Laid-Open No. 2007-138468 is proposed.

  As shown in FIG. 10, the tile receiver 80 is a plate member 81 that is formed in a rectangular shape and has a slightly bowl shape at the middle portion, and is provided with a frame attachment hole 82 at the center upper end portion, and is horizontal at the center portion. A weight receiving piece 83 cut and raised in the direction is provided, and a screw insertion long hole 84 for inserting the screw 92 into an insert nut 91 embedded in the back surface of the tile 90 is provided at the center lower end portion. Then, in the case of construction using the tile receiving bracket 80, the plate material 81 is attached to the back surface of the upper end portion of the plate 93 integrated with the tile 90 with the screw 92, and the elastic adhesive 94 is attached to the back surface portion of the plate 93. After the application, the tile 90 is pasted on the base material 95 and fixed to the molar base material 95 through the screws 96 in the housing mounting holes 82 of the plate material 81. Further, the upper tile 90 and the plate 93 are placed on the weight receiving piece 83 of the plate material 81, and the tile 90 is attached by filling the flexible joint material 97 between the upper and lower tiles 90.

However, in the tile mounting structure using the tile receiver 80, the tile 90 is held only by placing the plate 93 on the own weight receiving piece 83 of the plate 81, and therefore, the tile 90 may come off and fall. . In addition, there is no component that adjusts the height of the surface side of adjacent tiles, and it is impossible to provide a step on the surface side or to prevent the step from being generated. Further, it is necessary to embed and fix the insert nut 91 on the back surface of the tile 90. Further, after fixing the tile 90 and the tile holder 80 with the screw 92, the screw 96 is passed through the housing mounting hole 82 of the plate member 81. It was necessary to fix to the base material 95, and the installation work was complicated.
JP 2007-138468 A

  Therefore, the problem of the present invention is that the large tiles do not fall off the base material and fall, the height adjustment on the surface side of adjacent large tiles is possible, and the installation work is extremely easy and the construction period is shortened. An object of the present invention is to provide a possible large tile mounting bracket and a large tile mounting structure using the same.

  What solves the above-mentioned problem is a large tile mounting bracket that is interposed between a base material and a large tile for mounting the large tile on the base material, and the large tile mounting bracket is an upper stage large tile. A first protrusion for contacting the back surface side, a second protrusion for contacting the back surface of the lower large tile provided at the lower portion of the first protrusion, and a back surface of the large tile. A large tile mounting bracket having an insertion piece to be inserted into the concave groove and a fixing member insertion hole for fixing to the base material.

  The first protrusion and the second protrusion are preferably formed at the same height in a side view. It is preferable that the insertion piece protrudes obliquely upward in a side view. It is preferable that the fixing member insertion hole is formed between the first protrusion and the second protrusion. It is preferable that two fixing member insertion holes are formed vertically. It is preferable that a positioning line for attaching the large tile mounting bracket to the base material is provided between the first protrusion and the second protrusion. The large tile mounting bracket is preferably formed of a plate-like body, and the first protrusion, the second protrusion, and the insertion piece are each formed by bending or bending the plate-like body. .

  Moreover, what solves the said subject is large sized for attaching the said large tile to the said base material interposed between the said base material, the large sized tile attached to this base material, and the said base material and the said large sized tile. A large tile mounting structure having a tile mounting bracket, wherein the large tile mounting bracket is provided at a first protrusion for contacting the back side of the upper large tile, and at a lower portion of the first protrusion. A second protrusion for contacting the back side of the lower large tile, an insertion piece to be inserted into a groove formed on the back of the large tile, and a fixing member insertion hole for fixing to the base material The large tile mounting bracket is fixed to the base material by inserting a fixing member through the fixing member insertion hole, and the large tile is inserted into the concave groove formed on the back surface. Insert of tile mounting bracket is inserted The upper large tile is brought into contact with the first protruding portion of the large tile mounting bracket, and the large tile located under the upper large tile is attached to the large tile. The large tile mounting structure is characterized in that a back surface is in contact with the second projecting portion of the metal fitting.

  It is preferable that joint materials are attached to two adjacent sides of the outer periphery of the large tile before being stretched on the base material. The first protrusion and the second protrusion of the large tile mounting bracket are preferably formed at the same height in a side view. The insertion piece of the large tile mounting bracket projects obliquely upward in a side view, while the concave groove of the large tile is formed obliquely upward from the back side to the front side. The large tile is preferably locked by inserting the insertion piece obliquely upward. It is preferable that a large tile height holding member disposed so as to extend from both left and right ends of the large tile mounting bracket is spanned over the insertion piece of the large tile mounting bracket.

According to the invention described in claim 1, the large tiles do not fall off the base material, can be adjusted in height on the surface side of the adjacent large tiles, and the installation work is extremely easy and the construction period. It becomes a large tile mounting bracket that can be shortened.
According to the invention described in claim 2, if large tiles having the same thickness are used, adjacent large tiles can be configured on the same plane without causing a step on the surface side, and large tiles having different thicknesses are used. By doing so, the step corresponding to the thickness can be more accurately configured on the surface side.
According to the invention described in claim 3, it is possible to more reliably prevent the large tiles from falling off the base material.
According to the invention described in claim 4, the large tile mounting bracket can be stably fixed by the base material.
According to the invention described in claim 5, the fixing member insertion hole can be selected according to the attachment position to the base material, and the large tile mounting bracket is divided between the two fixing member insertion holes, Can be used to attach the top tile and the other can be used to attach the bottom tile.
According to the invention described in claim 6, it is easier to attach the large tile mounting bracket to the base material.
According to the invention described in claim 7, a large-sized tile mounting bracket having the above-described effects can be manufactured more inexpensively and easily.
According to the invention described in claim 8, the large tiles do not fall off the base material and can be adjusted in height on the surface side of the adjacent large tiles, and the installation work is extremely easy and the construction period. A large tile mounting structure capable of shortening the length can be configured.
According to the ninth aspect of the present invention, a large tile mounting structure in which joint formation is extremely easy is achieved.
According to the invention described in claim 10, if large tiles having the same thickness are used, adjacent large tiles can be configured in the same plane without causing a step on the surface side, and large tiles having different thicknesses are used. By doing so, the step corresponding to the wall thickness can be more accurately configured on the surface side.
According to the eleventh aspect of the present invention, the large tile can be more reliably prevented from falling off the base material.
According to the invention described in claim 12, even when the large tile is attached to the base material with one large tile mounting bracket, the large tile height holding member is arranged on the back side of the large tile. It can be stretched without rattling on the left and right sides.

It is a front view of one Example of the large sized tile mounting bracket of this invention. It is the sectional view on the AA line of FIG. It is a front view which shows the state which divided | segmented the large sized tile attachment metal fitting shown in FIG. 1 in the center part. It is a front view which shows the state which attached the large sized tile attachment metal fitting shown in FIG. 1 to the base material. It is a front view for demonstrating the large sized tile attachment structure of this invention. It is a front view for demonstrating the large sized tile attachment structure of this invention. FIG. 7 is a sectional view taken along line BB in FIG. 6. It is a longitudinal cross-sectional view of the other Example of the large sized tile mounting bracket of this invention. It is a front view for demonstrating the other Example of the large sized tile attachment structure of this invention. It is a longitudinal cross-sectional view for demonstrating the conventional large sized tile mounting bracket and a large sized tile mounting structure.

  The present invention includes a first protrusion for contacting the back side of the upper large tile, and a second protrusion for contacting the back side of the lower large tile provided at the lower portion of the first protrusion. By having an insertion piece inserted into the groove formed on the back surface of the large tile, the large tile does not fall off the base material, and the height adjustment on the front surface side between adjacent large tiles The large tile mounting bracket and the large tile mounting structure using the same have been realized.

The tile of the present invention will be described with reference to one embodiment shown in FIGS.
A large tile mounting bracket 1 according to this embodiment is a large tile mounting bracket that is interposed between a base material and a large tile for mounting a large tile on the base material, as shown in FIG. 1 or FIG. A first protrusion 2 for contacting the back surface side of the large tile, a second protrusion 3 for contacting the back surface side of the lower large tile provided below the first protrusion 2, and a large size It has the insertion piece 4 inserted in the concave groove formed in the back surface of a tile, and the fixing member penetration holes 5A and 5B for fixing to a base material. Hereinafter, each configuration will be described in detail.

  As shown in FIG. 7, the large tile mounting bracket 1 of this embodiment is interposed between the base material 60 and the large tiles 70 </ b> A and 70 </ b> B, and is used to attach the large tile to the base material 60.

  The large tile mounting bracket 1 is formed of a stainless steel plate having a rectangular shape in front view as shown in FIG. 1, and has rigidity and strength that does not deform over time even when the large tile is held.

  As shown in FIG. 2, the large tile mounting bracket 1 includes a first protruding portion 2 for contacting the back side of the upper large tile, and a lower large tile provided at the lower portion of the first protruding portion 2. And a second projecting portion 3 for abutting the back side.

  The first projecting portion 2 is provided near the upper portion of the large tile mounting bracket 1 and, as shown in FIG. 7, contacts the back surface side of the upper large tile 70A and has a height on the front surface side (the surface of the base material 60). To the surface of the large tile 70A). On the other hand, the 2nd protrusion part 3 is provided in the lower part vicinity of the large sized tile mounting bracket 1, and as shown in FIG. The distance from the surface of the large tile 70B to the surface of the large tile 70B).

  Specifically, the first protrusion 2 and the second protrusion 3 of this embodiment are each formed in a triangular shape in a side view by bending a plate-like body as shown in FIG. In 2a and 3a, it is comprised so that it may contact | abut with the back surface side of the large sized tile 70. FIG. However, the shape of the first protrusion and the second protrusion is not limited to a triangular shape, and may be, for example, a circle, an ellipse, or a quadrangle. Moreover, it is not limited to what contact | abuts directly on the back surface side of a large sized tile like this Example, You may contact | abut indirectly via the sheet | seat material etc. which were stretched by the back surface of the large sized tile.

  Furthermore, the 1st protrusion part 2 and the 2nd protrusion part 3 of this Example are formed in the same height, as shown in FIG. Thereby, as shown in FIG. 7, if large tiles 70A and 70B having the same thickness are used, the same plane can be formed without causing a step between adjacent large tiles 70A and 70B. Moreover, if large tiles having different thicknesses are used, a step corresponding to the thickness can be more accurately configured on the surface side. In addition, although the 1st protrusion part 2 and the 2nd protrusion part 3 of this Example are formed in the same height, it is not limited to this, A 1st protrusion part and a 2nd protrusion part are side surfaces. Those having different heights in view are also included in the scope of the present invention. When the first protrusion and the second protrusion have different heights in a side view, a step can be generated on the surface side even when the large-sized tiles 70A and 70B having the same thickness are used.

  Thus, since the large-sized tile mounting bracket 1 of the present invention has the first protruding portion and the second protruding portion that protrude toward the tile extending side, the height of the adjacent large tile on the surface side is high. Adjustment is possible.

  As shown in FIG. 7, the insertion piece 4 is inserted into a concave groove 71 formed on the back surface of the large tile 70 to lock the large tile 70B, and the insertion piece 4 of this embodiment is used. 2 is formed by bending the lower portion of the large tile mounting bracket 1 so as to protrude obliquely upward by about 45 ° with respect to the extending direction of the plate-like body in a side view. Is formed. In addition, although the insertion piece 4 of this Example is provided in the lower part of the large sized tile mounting bracket 1, it may be provided in any location, for example, may be provided in the upper part of the large sized tile mounting bracket 1. Further, the insertion piece 4 of this embodiment protrudes obliquely upward, and is most preferable from the viewpoint of preventing the tile from falling. For example, the protrusion 4 protrudes in the horizontal direction, and protrudes obliquely upward. It is included in the category of the present invention.

  As shown in FIG. 7, the fixing member insertion holes 5 </ b> A and 5 </ b> B are portions for inserting the fixing member 8 and fixing the large tile mounting bracket 1 to the base material 60. It is formed between the protrusion 2 and the second protrusion 3. Thereby, the large tile mounting bracket 1 can be stably fixed by the base material 60. Further, the fixing member insertion holes of this embodiment are formed in two vertically. Accordingly, the fixing member insertion holes 5A and 5B through which the fixing member 8 is inserted can be appropriately selected according to the attachment position to the base material 60, and two large tile mounting brackets 1 are fixed as shown in FIG. Dividing between the member insertion holes 5A and 5B (positioning line 6 described later), one side 1A is used for mounting the uppermost tile 70P and the other side 1B is used for mounting the lowermost tile 70B. Can do.

  Between the 1st protrusion part 2 and the 2nd protrusion part 3, as shown in FIG. 1, the line 6 for positioning for attaching the large sized tile attachment metal fitting 1 to a base material is provided. The positioning line 6 is engraved so as to extend in a direction perpendicular to the longitudinal direction of the large tile mounting bracket 1. In use, the large tile is applied to the base material, and the upper end side of the large tile is After forming a line on the base material, the fixing member 8 is inserted into the fixing member insertion hole 5 and fixed to the base material in a state where the positioning line 6 is aligned with the line. Larger tile mounting brackets can be attached more easily.

  Further, the large tile mounting bracket is formed of a plate-like body as in this embodiment, and the first projecting portion 2, the second projecting portion 3 and the insertion piece 4 each bend or curve the plate-like body. It is preferable to be formed. Thereby, a large tile attachment metal fitting can be produced cheaply and easily.

Next, another embodiment of the large tile mounting bracket of the present invention shown in FIG. 8 will be described.
The difference between the large tile mounting bracket 10 of this embodiment and the large tile mounting bracket 1 described above is only that the large tile mounting bracket 10 has an insertion piece 14 at the top, and the others are the same. The same components are denoted by the same reference numerals and description thereof is omitted.

  The insertion piece 14 of the large tile mounting bracket 10 is for inserting into the concave groove formed on the back surface of the large tile and locking the large tile, like the insertion piece 4. It is formed by bending the upper part of. Specifically, the insertion piece 14 is formed so as to protrude obliquely downward by about 45 ° with respect to the extending direction of the plate-like body in a side view, and obliquely downward on the back surface of the large tile. It is inserted into the formed groove and works to hold the large tile more in cooperation with the insertion piece 4. Although the insertion piece 14 of this embodiment protrudes obliquely downward, it may protrude obliquely upward or horizontally, for example.

Further, the large tile mounting structure of the present invention will be described with reference to one embodiment shown in FIGS.
As shown in FIG. 6 or FIG. 7, the large tile mounting structure 50 of this embodiment includes a base material 60, large tiles 70A and 70B attached to the base material 60, and the base material 60 and the large tile large tiles 70A, 70B, a large tile mounting structure having a large tile mounting bracket 1 for mounting the large tiles 70A and 70B to the base material 60, and the large tile mounting bracket 1 is formed of the upper large tile 70A. The first protrusion 2 for contacting the back surface side, the second protrusion 3 provided at the lower part of the first protrusion 2 for contacting the back surface side of the lower large tile 70B, and the back surface of the large tile 70B The insertion piece 4 to be inserted into the formed groove 71 and the fixing member insertion hole 5 for fixing to the base material 60 are provided, and the large tile mounting bracket 1 is formed in the fixing member insertion hole 5. Fixing member 8 The large tile 70B is inserted into the concave groove 71 formed on the back surface and is inserted into the large groove 70B and locked therein, and the upper large tile 70A is The back surface of the large tile mounting bracket 1 is brought into contact with the first protrusion 2, and the large tile 70 </ b> B located under the upper large tile 70 </ b> A is in contact with the second protrusion 3 of the large tile mounting bracket 1. This is a large tile mounting structure. Hereinafter, although each structure is explained in full detail sequentially, the large sized tile mounting bracket 1 is a structure as mentioned above, and abbreviate | omits detailed description.

  The base material 60 is for attaching a large tile, and the base material 60 of this embodiment is a wooden base material, but any material can be used as long as the large tile is stretched. It may be a frame, a base board, a cement board in the panel method, or the like.

  The large tile 70 may be made of any material as long as it is stretched on the base material 60 constituting the wall surface or the like, but 70A, 70B, and 70P in this embodiment are natural stone tiles. Further, the large tiles 70A, 70B, and 70P in this embodiment are rectangular tiles in front view, but are not limited thereto, and may be tiles having a circular shape, an oval shape, a rhombus shape, or the like. . Furthermore, joint materials 75 are attached to two adjacent sides of the outer periphery of the large tile 70 of this embodiment before being stretched on the base material 60. This eliminates the need for complicated joint formation work after the large tiles are stretched, resulting in a large tile mounting structure that is extremely easy to manufacture. As the joint material 75, a resin material such as a foamable resin material, an elastic material such as an elastomer, a wood-based material, or the like can be suitably used.

  The large tile mounting bracket 1 is interposed between the base material 60 and the large tiles 70A and 70B, and is used to attach the large tiles 70A and 70B to the base material 60. A first protrusion 2 for contacting, a second protrusion 3 for contacting the back side of the lower large tile 70B provided at the lower part of the first protrusion 2, and a recess formed on the back surface of the large tile 70B. It has an insertion piece 4 to be inserted into the groove 71 and a fixing member insertion hole 5 for fixing to the base material 60.

  The large tile mounting structure 50 of this embodiment is configured by first fixing the large tile mounting bracket 1 to the base material 60 as shown in FIG. Specifically, the large tile mounting bracket 1 is fixed to the base material 60 by inserting the fixing member 8 into the fixing member insertion hole 5. Further, 1A formed by dividing the large tile mounting bracket 1 is fixed at a position corresponding to the back side of the uppermost tile, and the other 1B is fixed at a position corresponding to the back side of the lowermost tile.

  Next, as shown in FIG. 5, the large tile is stretched and configured by the large tile mounting bracket 1 attached to the base material 60. Specifically, the insertion piece 4 of the large tile mounting bracket 1 is inserted, locked and stretched in a concave groove 71 formed on the back surface of the large tile 70B. In this state, the back surface of the large tile 70 </ b> B is in contact with the second protrusion 3 of the large tile mounting bracket 1.

  Furthermore, as shown in FIG. 6, a large tile 70A disposed on the upper stage of the large tile 70B is stretched and configured by a large tile mounting bracket 1 (not shown) fixed at a required position on the upper stage. Specifically, the insertion piece 4 of the large tile mounting bracket 1 is inserted, locked and stretched in a concave groove 71 formed on the back surface of the large tile 70A. In this state, the large tile 70A is in contact with the second protrusion 3 of the large tile mounting bracket 1 fixed at the upper required position, and the large tile mounting bracket fixed at the lower required position. The height of the large tile 70A and the large tile 70B is adjusted by bringing the back surface side into contact with the first first projecting portion 2.

  When the insertion piece 4 of the large tile mounting bracket 1 is inserted into the concave groove 71 formed on the back surface of the large tile, the concave groove 71 is filled with an adhesive such as an epoxy resin. Preferably it is. Thereby, the fall of a tile can be prevented more. Moreover, it is preferable that the 1st protrusion part 2 and the 2nd protrusion part 3 of the large sized tile attachment metal 1 are formed in the same height in side view. Therefore, if large tiles with the same wall thickness are used, the adjacent large tiles can be configured in the same plane without causing a step on the surface side, and if large tiles with different wall thicknesses are used, the wall thickness is increased on the surface side. The level difference corresponding to can be configured more accurately. Further, the insertion piece 4 of the large tile mounting bracket 1 protrudes obliquely upward in a side view, while the concave groove 71 of the large tile 70B is formed obliquely upward from the back surface side to the front surface side. In the large tile 70B, it is preferable that the insertion piece 4 is inserted obliquely upward and locked. Thereby, it can prevent more reliably that a large sized tile remove | deviates from a base material, and falls.

  The large tile mounting structure 50 of the present invention is configured as described above, so that the large tiles do not fall off the base material and can be adjusted in height on the surface side between adjacent large tiles. Furthermore, a large tile mounting structure is possible in which the mounting work is extremely easy and the construction period can be shortened. In addition, the large tile mounting structure 50 of the present invention has the first protruding portion 2 and the second protruding portion 3 as shown in FIG. Since gaps with a predetermined interval are formed between them, there is a heat insulation effect, and it is also possible to arrange heat insulating material, covering material, cushioning material, etc. in this gap, and wiring inside this gap is also possible It becomes. Furthermore, since the large tile 70 and the large tile mounting bracket 1 are firmly fixed by the adhesive filled in the groove 71, it can be removed from the base material 60 and replaced with another large tile. Also, the removed large tile 70 can be reused by being stretched to another part by the large tile mounting bracket 1.

Further, another embodiment of the large tile mounting structure of the present invention shown in FIG. 9 will be described.
The difference between the large tile mounting structure 100 of this embodiment and the large tile mounting structure 50 described above is that the large tile mounting structure 100 mounts the large tile 70 to the base material 60 with one large tile mounting bracket 1, and The only difference is that a large tile height holding member 7 arranged so as to extend from the left and right ends of the large tile mounting bracket 1 is stretched over the insertion piece 4 of the large tile mounting bracket 1. It is. The same components are denoted by the same reference numerals and description thereof is omitted.

  As shown in FIG. 9, when the large tile 70 is attached to the base material 60 with one large tile mounting bracket 1, left and right rattling may occur on the back surface side of the large tile 70. A large tile height holding member 7 arranged so as to extend from both left and right ends of the large tile mounting bracket 1 is stretched over the insertion piece 4 of the tile mounting bracket 1. By arranging such inclusions between the base material 60 and the back surface of the large tile 70, it is possible to eliminate rattling on the left and right sides of the large tile 70.

  The large tile height holding member 7 is preferably approximately the same height as the second projecting portion 3 in a state where the large tile 70 is placed over the insertion piece 4 of the large tile mounting bracket 1 and the large tile 70 is disposed. As the forming material, for example, a resin material such as a foamable resin material similar to the joint material 75 described above, an elastic material such as an elastomer, and a woody material can be preferably used. The shape may be any shape as long as it extends from the left and right ends of the large tile mounting bracket 1, but may be an annular body in addition to a linear body as in this embodiment.

DESCRIPTION OF SYMBOLS 1 Large tile attachment bracket 2 1st protrusion part 3 2nd protrusion part 4 Insertion piece 5 Fixing member insertion hole 6 Positioning line 7 Large tile height holding member 8 Fixing member 50 Large tile attachment structure 60 Base material 70 Large tile

Claims (12)

A large tile mounting bracket that is interposed between a base material and a large tile and attaches the large tile to the base material, and the large tile mounting bracket is for contacting the back side of the upper large tile. The first protrusion, the second protrusion provided at the lower part of the first protrusion and for contacting the back side of the lower large tile, and the groove formed on the rear surface of the large tile are inserted. A large-sized tile mounting bracket having an insertion piece and a fixing member insertion hole for fixing to an underlying material. The large tile mounting bracket according to claim 1, wherein the first protrusion and the second protrusion are formed at the same height in a side view. The large tile mounting bracket according to claim 1 or 2, wherein the insertion piece projects obliquely upward in a side view. The large-sized tile mounting bracket according to any one of claims 1 to 3, wherein the fixing member insertion hole is formed between the first projecting portion and the second projecting portion. The large-sized tile mounting bracket according to claim 4, wherein two fixing member insertion holes are formed vertically. The large tile according to any one of claims 1 to 5, wherein a positioning line for attaching the large tile mounting bracket to a base material is provided between the first protrusion and the second protrusion. Mounting bracket. The large tile mounting bracket is formed of a plate-like body, and each of the first protrusion, the second protrusion, and the insertion piece is formed by bending or bending the plate-like body. The large tile mounting bracket according to any one of 6 to 6. A large tile mounting comprising a base material, a large tile attached to the base material, and a large tile mounting bracket interposed between the base material and the large tile for attaching the large tile to the base material The large tile mounting bracket has a structure in which a first protrusion for contacting the back side of the upper large tile and a back surface of the lower large tile provided at the lower part of the first protrusion are provided. A large projecting portion, an insertion piece inserted into a groove formed on the back surface of the large tile, and a fixing member insertion hole for fixing to the base material. The mounting bracket is fixed to the base material by inserting a fixing member through the fixing member insertion hole, and the large tile has an insertion piece of the large tile mounting bracket inserted into the concave groove formed on the back surface. It is locked and the upper large The tile is in contact with the first protruding portion of the large tile mounting bracket on the back side, and the large tile located under the upper large tile is contacted with the second protruding portion of the large tile mounting bracket on the back side. Large tile mounting structure characterized by being in contact. The large tile mounting structure according to claim 8, wherein joint materials are attached to two adjacent sides of the outer periphery of the large tile before being stretched on the base material. The large tile mounting structure according to claim 8 or 9, wherein the first protruding portion and the second protruding portion of the large tile mounting bracket are formed at the same height in a side view. The insertion piece of the large tile mounting bracket projects obliquely upward in a side view, while the concave groove of the large tile is formed obliquely upward from the back side to the front side. The large tile mounting structure according to any one of claims 8 to 10, wherein the large tile is locked by inserting the insertion piece obliquely upward. 12. The large tile height holding member arranged so as to extend from both left and right ends of the large tile mounting bracket is stretched over the insertion piece of the large tile mounting bracket. 12. Large tile mounting structure described in 1.

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