JP6957173B2 - Fixtures, sets of fixtures and waterproof materials, wall structures, and construction methods for exterior materials - Google Patents

Description

The present invention relates to a wall structure.

Conventionally, as a fixture for attaching an exterior material to a structure, there are those disclosed in FIG. 2 of Patent Document 1 and FIG. 5 of Patent Document 2.

In these fixtures, an upper locking piece and a lower locking piece having substantially the same length in the width direction are integrally formed with the bearing piece. A substantially rectangular waterproof material is provided on the upper locking piece and the lower locking piece. The length in the width direction of the waterproof material is also substantially equal to the length in the width direction of the upper locking piece and the lower locking piece. The waterproof material is located on the entire upper locking piece and the lower locking piece, and is provided so as to extend downward from the lower locking piece.

The exterior material attached to the structure using these attachments may have an upper end portion having a back side upper and lower joint portion and a lower end portion having a front side upper and lower joint portion. The upper and lower joints on the back side are so-called "lower solid parts" that are recessed from the front surface of the exterior material toward the back surface and extend in the horizontal direction at the upper end portion of the exterior material. The front upper and lower joints are so-called "upper solid parts" that are recessed from the back surface of the exterior material toward the front surface and extend in the horizontal direction at the lower end portion of the exterior material.

When such an exterior material is attached to the structure by these fixtures, the lower locking piece of the fixture locks the abutting portion between the back side upper and lower joints. Then, the waterproof material is arranged from the upper locking piece and the lower locking piece to the butt portion of the back side upper and lower joints locked to the lower locking piece. Further, the waterproof material is interposed between the front side upper and lower joints and the back side upper and lower joints of the exterior materials adjacent to each other in the vertical direction. Therefore, when rainwater or the like invades from the surface side of the exterior material toward the abutting portion, the waterproof material can block the rainwater or the like.

Japanese Unexamined Patent Publication No. 6-158814 Japanese Unexamined Patent Publication No. 11-159102

However, in the above-mentioned conventional attachment, the length in the width direction of rainwater or the like dripping toward the upper locking piece and the lower locking piece along the back surface of the exterior material is the width of the upper locking piece and the lower locking piece. It is blocked by a waterproof material that is approximately equal to the length in the direction. Therefore, the rainwater or the like may invade the structure via the upper locking piece and the bearing piece.

The present invention has been made in view of the above-mentioned conventional circumstances, and is a fixture capable of improving the waterproof performance of the exterior material attached to the structure, a set of the fixture and the waterproof material, a wall structure, and the like. And providing a construction method for exterior materials is an issue to be solved.

The attachment according to the first aspect of the present invention is an attachment for attaching an exterior material to a structure.
A fixing part that can be fixed to the structure and
A bearing piece provided so as to protrude from the fixed portion, and
A lower locking piece that is bent downward directly from the tip of the bearing piece,
A pair of upper locking pieces that are bent directly upward from the tip portion of the bearing piece and are located on both sides of the lower locking piece in the width direction of the bearing piece.
A first waterproof material provided on the lower locking piece and extending downward from the lower locking piece is provided.
The length of the first waterproof material in the width direction is smaller than the length of the lower locking piece in the width direction.
The surface of the lower locking piece is exposed on both sides of the first waterproof material.

When the exterior material having the back side upper and lower joints and the front side upper and lower joints is attached to the structure by this attachment, the lower locking piece locks the back upper and lower joints of the adjacent exterior materials in the horizontal direction. The bearing piece supports the exterior material located on the upper side, and the pair of upper locking pieces lock the front upper and lower joints of the exterior material located on the upper side.

Here, the lower locking piece is provided with a first waterproof material extending downward from the lower locking piece, and the lower locking piece is provided at a position sandwiched between the pair of upper locking pieces. There is. Therefore, the first waterproof material can be arranged from the lower locking piece to the butt portion between the upper and lower joints on the back side locked to the lower locking piece. Then, since the lower locking piece and the butt portion thereof extend in substantially the same direction, the first waterproof material is arranged along the butt portion. As a result, the first waterproof material can be brought into close contact with the butt portion. Further, the first waterproof material is interposed between the front side upper and lower joints and the back side upper and lower joints of the exterior materials that are adjacent in the vertical direction. As a result, in this fixture, when rainwater or the like invades from the surface side of the exterior material toward the butt portion, the first waterproof material extending below the lower locking piece blocks the rainwater or the like. Can be done.

Further, the length of the first waterproofing material in the width direction is smaller than the length of the lower locking piece in the width direction, and the surfaces of the lower locking piece are exposed on both sides of the first waterproofing material. As a result, when the exterior material located on the upper side is locked to the upper locking piece, there are gaps on both sides of the first waterproof material between the back surface of the exterior material located on the upper side and the surface of the lower locking piece. It is formed. For this reason, rainwater or the like that travels along the back surface of the exterior material and drips toward the lower locking piece passes through the gaps formed on both sides of the first waterproof material without being blocked by the first waterproof material, and passes through the gaps formed on both sides of the first waterproof material. It will be discharged to the surface side of the exterior material via the upper and lower joints on the back side of the. As a result, with this fixture, it is possible to prevent rainwater or the like dripping along the back surface side of the exterior material from entering the structure via the bearing piece.

Therefore, in the fixture of the first aspect of the present invention, the waterproof performance of the exterior material attached to the structure can be improved.

The fixture, the set of the fixture and the waterproof material, the wall structure, and the method of constructing the exterior material of the present invention can improve the waterproof performance of the exterior material attached to the structure.

FIG. 1 is a front view showing a positional relationship between a plurality of outer wall plates and fixtures according to the first embodiment. FIG. 2 is a perspective view of the outer wall plate of the first embodiment. FIG. 3 is a partial perspective view showing an assembly configuration of the outer wall plates according to the first embodiment. FIG. 4 is a perspective view of the fixture according to the first embodiment. FIG. 5 is a partial perspective view showing a configuration in which the upper end portion of the outer wall plate is locked by using a fixture according to the first embodiment. FIG. 6 is a partial perspective view showing a configuration in which the upper end portion of the outer wall plate and the lower end portion of another outer wall plate are locked by using a fixture according to the first embodiment. FIG. 7 is a partial cross-sectional view showing a VII-VII cross section of FIG. FIG. 8 is a partial cross-sectional view showing a VIII-VIII cross section of FIG. FIG. 9 is a front view showing the positional relationship between the plurality of outer wall plates and the fixtures according to the second embodiment. FIG. 10 is a perspective view of the fixture according to the third embodiment.

Hereinafter, embodiments 1 to 3 embodying the present invention will be described with reference to the drawings. In FIG. 1, the front side of the paper surface is the outdoor side, and the back side of the paper surface is the indoor side. Further, in FIG. 1, the vertical upper direction is displayed as upper and the vertical lower direction is displayed as lower. Further, in the direction from the outside to the inside of FIG. 1, the horizontal left direction is displayed as left, and the horizontal right direction is displayed as right. Then, each direction shown in each figure after FIG. 2 is displayed corresponding to FIG.

(Embodiment 1)
As shown in FIG. 1, the wall structure of the first embodiment is an example of a specific aspect of the wall structure. In this wall structure, a plurality of outer wall plates 2 shown in FIGS. 2 and 3 are attached to a structure 8 constituting a building such as a house, a facility, or a warehouse. The outer wall plate 2 is an example of an exterior material. The outer wall plate 2 is a plate material that has high strength and rigidity and constitutes the outer wall of the building. The exterior material is not limited to the outer wall plate, and may be, for example, a decorative plate for exterior the building, an indoor structural panel, or the like.

As shown in FIG. 1, the structure 8 is constructed by, for example, a wooden frame construction method. The structure 8 is composed of a plurality of structural members. The structural member includes a plurality of pillar members arranged at a predetermined interval in the left-right direction, and pillar members 9 such as studs arranged between the pillar members. Although not shown, a support member called a furring strip is fixed to the outer surface of the pillar member 9 facing the outdoor direction by a set screw, a nail, or the like (not shown). These support members are also included in the structural members. Further, a waterproof sheet is laid between the support member and the pillar member 9. The structure 8 is not limited to the configuration of the present embodiment, and may be constructed by a wooden frame wall construction method or the like. Further, the structure constituting the wall structure may be, for example, a skeleton such as a steel frame structure, a reinforced concrete structure, or a brick structure.

As shown in FIG. 2, the outer wall plate 2 is a plate material having a four-sided shape, more specifically, a substantially rectangular plate material long in the left-right direction. In the present embodiment, the outer wall plate 2 is made of a ceramic material containing cement. The material and shape of the outer wall plate 2 are not limited to the above. For example, as the material of the outer wall plate 2, a metal-based material, a wood-based material, a resin-based material, or the like can be appropriately selected. Further, as the shape of the outer wall plate 2, a substantially rectangular plate material having a four-sided shape and long in the vertical direction can be appropriately selected.

The surface 2F of the outer wall plate 2 is an exterior surface having a design such as a brick pattern. A front left and right joint portion 21 is formed at the left end portion of the outer wall plate 2. A back side left and right joint portion 22 is formed at the right end portion of the outer wall plate 2. A front upper and lower joint portion 23 is formed at the lower end portion of the outer wall plate 2. A back side upper and lower joint portion 24 is formed at the upper end portion of the outer wall plate 2. In FIG. 2, the sizes of the front left and right joints 21, the back left and right joints 22, the front upper and lower joints 23, and the back upper and lower joints 24 are exaggerated with respect to the size of the outer wall plate 2. ..

As shown in FIGS. 2 and 3, the front left and right joints 21 are formed in a stepped manner from the back surface 2B of the outer wall plate 2 toward the front surface 2F, and extend in the vertical direction, that is, along the left end portion of the outer wall plate 2. ing.

The back side left and right joint portions 22 are formed in a stepped manner from the front surface 2F of the outer wall plate 2 toward the back surface 2B, and extend in the vertical direction, that is, along the right end portion of the outer wall plate 2. A caulking 22S is provided on a flat surface of the back side left and right joint portion 22 facing the outdoor direction. The caulking 22S is arranged linearly along the back side left and right joints 22. Caulking is not essential, and caulking 22S can be omitted.

The front upper and lower joint portions 23 are formed in a stepped manner from the back surface 2B of the outer wall plate 2 toward the front surface 2F, and extend in the left-right direction, that is, along the lower end portion of the outer wall plate 2. The front upper and lower joints 23 are formed with engaging recesses 23A that are recessed upward in a substantially tapered shape.

The back side upper and lower joint portions 24 are formed in a stepped manner from the front surface 2F of the outer wall plate 2 toward the back surface 2B, and extend in the left-right direction, that is, along the upper end portion of the outer wall plate 2. A caulking 24S is provided on a flat surface of the upper and lower joints 24 on the back side facing the outdoor direction. The caulking 24S is arranged linearly along the back side upper and lower joints 24. Caulking is not essential, and caulking 24S can be omitted. An engaging convex portion 24A is formed on the back side upper and lower joint portion 24 so as to project upward in a substantially tapered shape above the caulking 24S.

As shown in FIG. 1, by fitting the front left and right joints 21 of the right outer wall plate 2 and the back left and right joints 22 of the left outer wall plate 2, between the outer wall plates 2 adjacent to each other in the left-right direction. The left and right joints are formed. By fitting the back side upper and lower joint portions 24 of the lower outer wall plate 2 and the front side upper and lower joint portions 23 of the upper outer wall plate 2, it extends in the left-right direction between the outer wall plates 2 adjacent to each other in the vertical direction. The upper and lower joints are formed. That is, each outer wall plate 2 is a plate material having a so-called "four-sided fixed structure" including a front side left and right joint portion 21, a back side left and right joint portion 22, a front side upper and lower joint portion 23, and a back side upper and lower joint portion 24.

The attachment 10 of the first embodiment is fixed to each pillar member 9 as a structural member, and a plurality of outer wall plates 2 are attached to the structure 8 so as to be adjacent to each other in the vertical direction and the horizontal direction. be. The fixture 10 is an example of a specific embodiment of the fixture.

In the mounting configuration of the outer wall plate 2 shown in FIG. 1, a plurality of horizontal joints 2H formed by the outer wall plates 2 adjacent to each other in the vertical direction are linearly continuous in the left-right direction. Further, the plurality of vertical joints 2V formed by the outer wall plates 2 adjacent to each other in the left-right direction are linearly continuous in the up-down direction. That is, the outer wall plate 2 is covered with so-called potatoes.

As shown in FIG. 4, the fixture 10 is manufactured by punching, bending, pressing, or the like a metal plate such as iron or stainless steel. The material and manufacturing method of the fixture 10 are not limited to the above, and various materials and manufacturing methods can be appropriately selected.

Here, regarding the posture of the fixture 10, as shown in FIGS. 1 and 5 to 8, the fixing portion 15 of the fixture 10 is fixed to a structural member such as a pillar member 9 constituting the structure 8. Use as a reference. Specifically, the front side of the fixture 10 faces the outdoor direction, and the back side of the fixture 10 faces the indoor direction. The width direction of the fixture 10 is the left-right direction.

As shown in FIG. 4, the fixture 10 of the first embodiment is distributed as a product with the first waterproof material 70 and the pair of the second waterproof materials 80L and 80R attached, and is used at the construction site. It is a thing.

Further, the set of the attachment 10 and the first waterproof material 70 of the first embodiment is as a separate member with the attachment 10 to which only the pair of second waterproof materials 80L and 80R are attached and the release sheet 70S. The first waterproof material 70 is distributed as a set and used at the construction site.

The first waterproof material 70 and the second waterproof materials 80L and 80R are, for example, a foam such as ethylene propylene rubber, a waterproof seal, and the like.

The fixture 10 includes a portion of the metal plate that has been pressed and a flat fixing portion 15 that surrounds the pressed portion. The pressed portions of the fixture 10 are the main bulging portion 30, the lower bulging portion 35, and the upper bulging portion 38. The substantially rectangular peripheral edge portion 15E of the fixed portion 15 surrounds the main bulging portion 30, the lower bulging portion 35, and the upper bulging portion 38.

The surface of the fixture 10 that comes into contact with the pillar member 9 or the like and faces the back side is the reference surface 15S of the fixing portion 15. A plurality of U-shaped fixing portions 15B extending downward from the upper side of the peripheral edge portion 15E of the fixing portion 15 are also a part of the fixing portion 15. A fixing hole 15H is formed in each U-shaped fixing portion 15B. The fixing hole 15H is for fixing the fixture 10 to the pillar member 9 or the like through which a fastener such as a screw 10B or a nail is inserted.

The main bulging portion 30 is located at an intermediate portion in the vertical direction of the mounting tool 10, and bulges from the fixing portion 15 to the front side of the mounting tool 10. The main bulging portion 30 bulges toward the front side of the fixture 10 with respect to the lower bulging portion 35 and the upper bulging portion 38. The main bulging portion 30 has a tip surface extending in parallel with the fixing portion 15, and the tip surface of the main bulging portion 30 is a contact surface 31.

The lower bulging portion 35 bulges from the fixing portion 15 to the front side of the fixture 10 and is adjacent to the lower side of the main bulging portion 30. The lower bulging portion 35 has a tip surface extending substantially parallel to the fixed portion 15, and the tip surface of the lower bulging portion 35 is an upright surface 36. The upper end edge of the upright surface 36 is connected to the lower surface of the main bulging portion 30.

The upper bulging portion 38 bulges from the fixing portion 15 to the front side of the fixture 10 and is adjacent to the upper side of the main bulging portion 30. The upper bulging portion 38 has an inclined surface 39, and the upper surface of the upper bulging portion 38 is a bent surface that bends along the upper portion of the peripheral edge portion 15E and each U-shaped fixing portion 15B. The inclined surface 39 is press-processed so as not to cover each U-shaped fixing portion 15B, whereby the upper bulging portion 38 is adjacent to each fixing hole 15H in the width direction. The lower end edge of the inclined surface 39 is connected to the upper surface of the main bulging portion 30.

The right surfaces of the main bulging portion 30, the lower bulging portion 35, and the upper bulging portion 38 are connected to each other substantially flush with each other to form a smooth continuous surface. The same applies to the left surfaces of the main bulging portion 30, the lower bulging portion 35, and the upper bulging portion 38. The contact surface 31 of the main bulging portion 30 projects toward the front side of the fixture 10 from the lower bulging portion 35 and the upper bulging portion 38.

The main bulging portion 30 includes a rectangular hole 30H, a bearing piece 13 cut up around the rectangular hole 30H, a lower locking piece 12 that bends directly downward from the tip portion 13A of the bearing piece 13, and a bearing piece. A pair of upper locking pieces 11L and 11R that bend directly upward from the tip portion 13A of 13 are formed.

More specifically, a substantially U-shaped groove is formed in the center of the contact surface 31 of the main bulging portion 30, and a plate-shaped piece inside the substantially U-shaped groove is cut up toward the front side of the fixture 10. As a result, the rectangular hole 30H opens in the center of the contact surface 31. The contact surface 31 is formed in a substantially rectangular ring shape surrounding the support piece 13, the lower locking piece 12, and the pair of upper locking pieces 11L, 11R. Of the portion that is cut up and protrudes toward the front side of the fixture 10 from the contact surface 31, the portion that extends substantially horizontally on the side closer to the contact surface 31 is referred to as the bearing piece 13. The lower locking piece 12 is a plate-shaped piece that bends directly downward at the center in the width direction at the tip portion 13A of the bearing piece 13. The left upper locking piece 11L is a plate-shaped piece that bends directly upward at a position separated to the left from the lower locking piece 12 at the tip portion 13A of the bearing piece 13. The upper locking piece 11R on the right side is a plate-shaped piece that bends directly upward at a position separated to the right from the lower locking piece 12 at the tip portion 13A of the bearing piece 13. That is, the upper locking pieces 11L and 11R are located on both sides of the lower locking piece 12 in the width direction of the bearing piece 13.

An upright piece 19 is formed in the lower bulging portion 35. In the standing piece 19, a substantially C-shaped groove is formed at a position slightly to the left of the center of the standing surface 36 of the lower bulging portion 35, and the plate-shaped piece inside the substantially C-shaped groove is the fixture 10. It is cut up toward the front side of.

The bearing pieces 13 are provided with holding pieces 18L and 18R. The left holding piece 18L is a small piece that bends upward from the tip portion 13A of the bearing piece 13 between the lower locking piece 12 and the left upper locking piece 11L. The right holding piece 18R is a small piece that bends upward from the tip portion 13A of the bearing piece 13 between the lower locking piece 12 and the upper locking piece 11R on the right.

The first waterproof material 70 is, for example, a foam such as ethylene propylene rubber, a waterproof seal, or the like. The first waterproof material 70 is a substantially rectangular piece that extends long in the vertical direction. The length W70 in the width direction of the first waterproof material 70 is set to be smaller than the length W12 in the width direction of the lower locking piece 12. An example of the length W70 in the width direction of the first waterproof material 70 is about 1/3 to 1/2 of the length W12 in the width direction of the lower locking piece 12, but the length is not limited to this. No.

An adhesive layer 79 is formed on the entire back surface of the first waterproof material 70. When the first waterproof material 70 is not attached to the fixture, the entire surface of the adhesive layer 79 is protected by the release sheet 70S. In FIG. 4, the thickness of the adhesive layer 79 is exaggerated.

In the attachment 10 of the first embodiment, the first waterproof material 70 is provided on the lower locking piece 12 and extends downward from the lower locking piece 12. The portion provided on the lower locking piece 12 of the first waterproof material 70 is referred to as the first portion 71. The portion extending below the lower locking piece 12 of the first waterproof material 70 is referred to as the second portion 72.

The first portion 71 of the first waterproof material 70 is attached to the surface 12F of the lower locking piece 12 by the adhesive layer 79. Further, the first portion 71 of the first waterproof material 70 is bent at the tip portion 13A of the bearing piece 13 and extends toward the fixing portion 15, and is attached to the upper surface of the bearing piece 13 by the adhesive layer 79. The first portion 71 of the first waterproof material 70 is attached to the surface 12F of the lower locking piece 12 and the upper surface of the bearing piece 13 at the center in the width direction of the bearing piece 13. Since the length W70 in the width direction of the first waterproof material 70 is smaller than the length W12 in the width direction of the lower locking piece 12, the surface 12F of the lower locking piece 12 is the first portion of the first waterproof material 70. It is exposed on both sides of 71. The surface of the lower locking piece 12 exposed to the left of the first portion 71 is 12FL, and the surface of the lower locking piece 12 exposed to the right of the first portion 71 is 12FR.

The adhesive layer 79 formed on the back surface of the second portion 72 of the first waterproof material 70 is protected by the release sheet 70S below the lower locking piece 12.

The pair of second waterproof materials 80L and 80R are foams such as ethylene propylene rubber. The second waterproof material 80L on the left side is attached to the holding piece 18L on the left side by double-sided tape or the like. The second waterproof material 80R on the right side is attached to the holding piece 18R on the right side by double-sided tape or the like. That is, the pair of second waterproof materials 80L and 80R are provided on both sides of the first portion 71 of the first waterproof material 70 in the width direction of the bearing piece 13 apart from the first portion 71 of the first waterproof material 70. There is. The surface 12F of the lower locking piece 12 is exposed between the first waterproof material 70 and both second waterproof materials 80L and 80R. The surface of the lower locking piece 12 exposed between the first waterproof material 70 and the second waterproof material 80L on the left is 12FL, and between the first waterproof material 70 and the second waterproof material 80R on the right. The surface of the lower locking piece 12 exposed in is 12FR.

Further, in the set of the attachment 10 and the first waterproof material 70 of the first embodiment, the first waterproof material 70 is not provided on the lower locking piece 12, and the entire surface of the adhesive layer 79 is formed on the release sheet 70S. It is a separate member covered. Then, at the construction site, the release sheet 70S is peeled off from the adhesive layer 79 on the back surface of the first portion 71 of the first waterproof material 70, and the first portion 71 is at the center of the bearing piece 13 in the width direction, and the lower locking piece. It is attached to the surface 12F of the 12 and the upper surface of the bearing piece 13, and the second portion 72 of the first waterproof material 70 extends downward from the lower locking piece 12. Even in this case, the surface 12FL of the lower locking piece 12 exposed to the left of the first portion 71 and the surface 12FR of the lower locking piece 12 exposed to the right of the first portion 71 are provided. Is possible.

Next, a method of constructing the outer wall plate 2 by the fixture 10 of the present embodiment will be described. As shown in FIGS. 5 to 8, this construction method includes a first step, a second step, and a third step.

As shown in FIG. 5, in the first step, the reference surface 15S of the fixture 10 is brought into contact with a structural member such as a pillar member 9, and the contact surface 31 is brought into contact with the back surface 2B of the outer wall plate 2. , Move the fixture 10 downward. At this time, the standing piece 19 of the fixture 10 is inserted between the outer wall plates 2 adjacent to each other in the left-right direction so that the vertical joint 2V between the outer wall plates 2 is located below the support piece 13.

As a result, the lower locking piece 12 comes into contact with the engaging convex portion 24A of the upper and lower joint portions 24 on the back side of the outer wall plate 2. Then, by inserting the screw 10B as a fastener into the fixing hole 15H and screwing it into the pillar member 9, the fixture 10 is in a state of being fixed to the pillar member 9. As a result, the lower locking piece 12 of the fixture 10 locks the upper and lower joints 24 on the back side of the outer wall plates 2 adjacent to each other in the left-right direction. At this time, the standing piece 19 that has entered between the outer wall plates 2 adjacent to each other in the left-right direction prevents the outer wall plates 2 from laterally shifting.

As shown in FIG. 8, the portion of the contact surface 31 located below the bearing piece 13 abuts on the back surface 2B of the outer wall plate 2 so that the outer wall plate 2 does not shift in the indoor direction. Be regulated. As a result, a ventilation space S1 is secured between the structure 8 and the back surface 2B of the outer wall plate 2.

Next, as shown in FIGS. 5 and 7, in the second step, the lower locking piece 12 is covered by the first portion 71 of the first waterproof material 70. Further, the second portion 72 of the first waterproof material 70 covers the butt portion 24J between the back side upper and lower joint portions 24 locked to the lower locking piece 12. At the same time, the surface 12F of the lower locking piece 12 is exposed between the second waterproof materials 80L and 80R on both sides of the first portion 71 of the first waterproof material 70. The surface of the lower locking piece 12 exposed between the first portion 71 and the second waterproof material 80L on the left is 12FL, and is exposed between the first portion 71 and the second waterproof material 80R on the right. The surface of the lower locking piece 12 is 12FR. At this time, as shown in FIG. 5, the second portion 72 of the first waterproof material 70 extends downward beyond the caulking 24S, and is formed into the abutting portion 24J between the upper and lower joint portions 24 on the back side by the adhesive layer 79. Be glued.

Although the work of covering the lower locking piece 12 with the first portion 71 of the first waterproof material 70 in the second step is completed before the construction by the fixture 10 of the first embodiment, the embodiment The set of the fixture 10 and the first waterproof material 70 of 1 is carried out at the time of construction.

Next, as shown in FIGS. 6 and 8, in the third step, the next outer wall plate 2 is attached above the outer wall plate 2. At this time, the outer wall plates 2 are arranged so that the vertical joints 2V between the upper outer wall plates 2 are located above the bearing pieces 13. As a result, the engaging recess 23A of the front upper and lower joint portion 23 of the outer wall plate 2 located on the upper side is locked by the upper locking pieces 11L and 11R of the fixture 10. The bearing piece 13 supports the upper outer wall plate 2 by contacting the lower end portion of the upper outer wall plate 2 from below.

As a result, the back side upper and lower joint portions 24 of the lower outer wall plate 2 and the front side upper and lower joint portions 23 of the upper outer wall plate 2 are in a fitted state. In this state, the caulking 24S is in close contact with the back side upper and lower joint portions 24 and the front side upper and lower joint portions 23 while extending in the left-right direction. The first waterproof material 70 is interposed between the front upper and lower joints 23 and the back upper and lower joints 24 of the outer wall plates 2 adjacent in the vertical direction in a state where the second portion 72 extends downward beyond the caulking 24S. ..

As shown in FIG. 8, the portion of the contact surface 31 located above the support piece 13 abuts on the back surface 2B of the outer wall plate 2, so that the upper outer wall plate 2 does not shift in the indoor direction. Is regulated. As a result, the ventilation space S1 is also secured between the structure 8 and the back surface 2B of the upper outer wall plate 2.

In this way, as shown in FIG. 1, in the fixture 10, the vertical joint 2V is located on the upper side and the lower side of the bearing piece 13 and is continuous in a straight line in the vertical direction, and the horizontal joint 2H is on the bearing piece 13. The upper end portion of the lower outer wall plate 2 and the lower end portion of the upper outer wall plate 2 are supported in a state of being linearly continuous in the left-right direction along the line.

<Effect>
In the mounting tool 10 of the first embodiment, the set of the mounting tool 10 and the first waterproof material 70, and the wall structure, the lower locking piece 12 is bent directly downward from the tip portion 13A of the bearing piece 13 to form a pair of upper parts. The locking pieces 11L and 11R are provided so as to bend directly upward from the tip portion 13A of the bearing piece 13 and to be located on both sides of the lower locking piece 12 in the width direction of the bearing piece 13. When the outer wall plate 2 having the back side upper and lower joint portions 24 and the front side upper and lower joint portions 23 is attached to the structure 8 by the attachment 10, the lower locking piece 12 is placed on the back side upper and lower sides of the outer wall plates 2 adjacent to each other in the left-right direction. The joint portion 24 is locked, the support piece 13 supports the outer wall plate 2 located on the upper side, and the pair of upper locking pieces 11L and 11R engage the front upper and lower joint portions 23 of the outer wall plate 2 located on the upper side. Stop.

Here, the lower locking piece 12 is provided with a first waterproof material 70 extending downward from the lower locking piece 12, and the lower locking piece 12 is formed on a pair of upper locking pieces 11L and 11R. It is provided at the position where it is sandwiched. Therefore, the first portion 71 and the second portion 72 of the first waterproof material 70 are arranged from the lower locking piece 12 to the butt portion 24J between the back side upper and lower joint portions 24 locked to the lower locking piece 12. be able to. Since the lower locking piece 12 and the butt portion 24J extend in substantially the same direction, the second portion 72 of the first waterproof material 70 is arranged along the butt portion 24J. As a result, the second portion 72 of the first waterproof material 70 can be brought into close contact with the butt portion 24J. Further, the first waterproof material 70 is interposed between the front side upper and lower joint portions 23 and the back side upper and lower joint portions 24 of the outer wall plates 2 adjacent in the vertical direction. As a result, in the fixture 10, as shown by arrows Y1 and Y2 in FIG. 6, when rainwater or the like invades from the surface 2F side of the outer wall plate 2 toward the butt portion 24J, the lower locking piece 12 is used. The first waterproof material 70 extending downward can block the rainwater and the like.

Further, the length W70 in the width direction of the first waterproof material 70 is smaller than the length W12 in the width direction of the lower locking piece 12, and the surface 12F of the lower locking piece 12 is the first portion 71 of the first waterproof material 70. It is exposed on both sides of. As a result, when the outer wall plate 2 located on the upper side is locked to the upper locking pieces 11L and 11R, the back surface 2B of the outer wall plate 2 located on the upper side and the lower locking piece 12 are placed on both sides of the first waterproof material 70. A gap A1 shown in FIG. 6 is formed between the surfaces 12FL and 12FR. Therefore, as shown by an arrow Y3 in FIG. 6, rainwater or the like that travels along the back surface 2B of the outer wall plate 2 and drips toward the lower locking piece 12 is not blocked by the first waterproof material 70 and is first waterproof. It passes through the gaps A1 formed on both sides of the material 70, passes through the upper and lower joints 24 on the back side of the outer wall plate 2, and is discharged to the surface 2F side of the outer wall plate 2. As a result, the fixture 10 can prevent rainwater or the like dripping along the back surface 2B side of the outer wall plate 2 from entering the structure 8 via the bearing piece 13.

Therefore, in the attachment 10 of the first embodiment, the set of the attachment 10 and the first waterproof material 70, and the wall structure, the waterproof performance of the outer wall plate 2 attached to the structure 8 can be improved.

Further, in the construction method of the first embodiment, a wall structure capable of improving the waterproof performance of the outer wall plate 2 attached to the structure 8 can be easily constructed by the first step and the second step.

Further, in the mounting tool 10 of the first embodiment, the first portion 71 of the first waterproof material 70 is adhered to the lower locking piece 12 before the outer wall plate 2 is installed, so that the outer wall plate 2 can be attached. During construction, it is possible to prevent forgetting to attach the first waterproof material 70.

Further, in the mounting tool 10 of the first embodiment, the set of the mounting tool 10 and the first waterproofing material 70, and the wall structure, the second portion 72 of the first waterproofing material 70 is formed by the adhesive layer 79 on the back side upper and lower joint portion 24. It is adhered to the butt portion 24J of each other. As a result, the second portion 72 of the first waterproof material 70 is less likely to be displaced from the butt portion 24J, so that the waterproof performance of the outer wall plate 2 can be further improved.

Further, in the mounting tool 10 of the first embodiment, the set of the mounting tool 10 and the first waterproofing material 70, and the wall structure, the pair of the second waterproofing materials 80L and 80R are the first waterproofing materials in the width direction of the bearing piece 13. Both sides of the material 70 are provided apart from the first waterproof material 70. The surface 12F of the lower locking piece 12 is exposed between the first waterproof material 70 and both second waterproof materials 80L and 80R. As a result, as shown by the arrow Y3 in FIG. 6, rainwater or the like that travels along the back surface 2B of the outer wall plate 2 and drips toward the lower locking piece 12 passes through the gaps A1 formed on both sides of the first waterproof material 70. At this time, the second waterproof materials 80L and 80R regulate the movement of the rainwater and the like in the width direction, and move the rainwater and the like to the surface 2F side of the outer wall plate 2 with high certainty. As a result, it is possible to further prevent the rainwater or the like from invading the structure 8 through the bearing piece 13.

Further, in the wall structure of the first embodiment, the second portion 72 of the first waterproof material 70 extending downward beyond the caulking 24S can surely cover the butt portion 24J between the back side upper and lower joint portions 24. , The waterproof performance of the outer wall plate 2 can be further improved.

(Embodiment 2)
As shown in FIG. 9, in the wall structure of the second embodiment, the outer wall plate 2 is different from the wall structure of the first embodiment in that it is so-called stretched. This wall structure is constructed by the same procedure as the construction method according to the first embodiment by using the fixture 10 according to the first embodiment or a set of the fixture 10 and the first waterproof material 70.

More specifically, the fixture 10 is fixed to each pillar member 9 as a structural member together with the well-known fixture 90 and the like, and a plurality of outer wall plates 2 are adjacent to the structure 8 in the vertical and horizontal directions. It is installed like this.

In the mounting configuration of the outer wall plate 2 shown in FIG. 9, the plurality of horizontal joints 2H formed by the outer wall plates 2 adjacent to each other in the vertical direction are continuous in a straight line. On the other hand, the plurality of vertical joints 2V formed by the outer wall plates 2 adjacent to each other in the left-right direction are arranged alternately and are not continuous.

The fixture 10 is arranged at a position where the vertical joint 2V is located below the support piece 13, while the vertical joint 2V is not located above the support piece 13.

The fixture 90 is arranged at a position where the vertical joint 2V is located above the support piece 13, while the vertical joint 2V is not located below the support piece 13.

Even in the wall structure of the second embodiment having such a configuration, the waterproof performance of the outer wall plate 2 attached to the structure 8 can be improved as in the wall structure of the first embodiment.

(Embodiment 3)
As shown in FIG. 10, the fixture 310 of the third embodiment is manufactured by punching, pressing, bending, or the like a metal plate such as iron or stainless steel. The material and manufacturing method of the fixture 310 are not limited to the above, and various materials and manufacturing methods can be appropriately selected.

The fixed portion 315 is a substantially flat plate portion having a substantially rectangular shape when viewed from the front. The surface of the fixture 310 that comes into contact with the pillar member 9 or the like and faces the back side is the reference surface 315S of the fixing portion 315. The fixing portion 315 is provided with a plurality of fixing holes 315H. The fixing hole 315H is for fixing the fixture 310 to the pillar member 9 or the like through which a fastener such as a screw 10B or a nail is inserted.

The bearing piece 313 is formed by bending a plate-shaped portion connected to the lower end edge of the fixing portion 315. The bearing piece 313 projects from the lower end edge of the fixing portion 315 toward the front side of the fixture 310.

The lower locking piece 312 is a plate-shaped piece that bends directly downward at the center in the width direction at the tip portion 313A of the bearing piece 313. The left upper locking piece 311L is a plate-shaped piece that bends directly upward at a position separated to the left from the lower locking piece 312 at the tip portion 313A of the bearing piece 313. The upper locking piece 311R on the right side is a plate-shaped piece that bends directly upward at a position separated to the right from the lower locking piece 312 at the tip portion 313A of the bearing piece 313. That is, the upper locking pieces 311L and 311R are located on both sides of the lower locking piece 312 in the width direction of the bearing piece 313.

The bearing piece 313 is provided with holding pieces 318L and 318R. The left holding piece 318L is a small piece that bends upward from the tip portion 313A of the bearing piece 313 between the lower locking piece 312 and the left upper locking piece 311L. The right holding piece 318R is a small piece that bends upward from the tip portion 313A of the bearing piece 313 between the lower locking piece 312 and the right upper locking piece 311R.

The first waterproof material 70 according to the first embodiment is also used for the fixture 310 of the third embodiment. The first waterproof material 70 is provided on the lower locking piece 312 and extends downward from the lower locking piece 312. The length W70 in the width direction of the first waterproof material 70 is set to be smaller than the length W312 in the width direction of the lower locking piece 312. The portion provided on the lower locking piece 312 of the first waterproof material 70 is referred to as the first portion 371. The portion extending below the lower locking piece 312 of the first waterproof material 70 is referred to as the second portion 372.

The first portion 371 of the first waterproof material 70 is attached to the surface 312F of the lower locking piece 312 by the adhesive layer 79. Further, the first portion 371 of the first waterproof material 70 is bent at the tip portion 313A of the bearing piece 313 and extends toward the fixing portion 315, and is attached to the upper surface of the bearing piece 313 by the adhesive layer 79. The first portion 371 of the first waterproof material 70 is attached to the surface 312F of the lower locking piece 312 and the upper surface of the bearing piece 313 at the center in the width direction of the bearing piece 313. Since the length W70 in the width direction of the first waterproof material 70 is set to be smaller than the length W312 in the width direction of the lower locking piece 312, the surface 312F of the lower locking piece 312 is the first waterproof material 70. It is exposed on both sides of the first portion 371 of the. The surface of the lower locking piece 312 exposed to the left of the first portion 371 is 312FL, and the surface of the lower locking piece 312 exposed to the right of the first portion 371 is 312FR.

The adhesive layer 79 formed on the back surface of the second portion 372 of the first waterproof material 70 is protected by the release sheet 70S below the lower locking piece 312.

The pair of second waterproof materials 80L and 80R according to the embodiment are also used for the fixture 310 of the third embodiment. The pair of second waterproof materials 80L and 80R are attached to the holding pieces 318L and 318R by double-sided tape or the like. That is, the pair of second waterproof materials 80L and 80R are provided on both sides of the first portion 371 of the first waterproof material 70 in the width direction of the bearing piece 313, apart from the first portion 371 of the first waterproof material 70. There is. The surface 312F of the lower locking piece 312 is exposed between the first waterproof material 70 and both second waterproof materials 80L and 80R. The surface of the lower locking piece 312 exposed between the first waterproof material 70 and the second waterproof material 80L on the left is 312FL, and between the first waterproof material 70 and the second waterproof material 80R on the right. The surface of the lower locking piece 312 exposed in is 312FR.

The left side wall 338L is formed by bending a plate-shaped portion connected to the left end edge of the fixing portion 315 toward the front side of the fixture 310. The right side wall 338R is formed by bending a plate-shaped portion connected to the right end edge of the fixing portion 315 toward the front side of the fixture 310. The side walls 338L and 338R extend in the vertical direction and include a portion located on the upper surface side of the bearing piece 313 and a portion located on the lower surface side of the bearing piece 313.

The left first contact portion 331L is formed by bending a plate-like portion above the support piece 313 and connecting to the tip edge of the left side wall 338L to the left. The first contact portion 331R on the right side is formed by bending the plate-shaped portion connected to the tip edge of the side wall 338R on the right side to the right above the support piece 313. The first contact portions 331L and 331R extend in a flat plate shape parallel to the reference surface 315S.

The left second contact portion 332L is formed by bending a plate-shaped portion below the support piece 313 and connecting to the tip edge of the left side wall 338L to the right. The second contact portion 332R on the right side is formed by bending a plate-shaped portion below the support piece 313 and connecting to the tip edge of the side wall 338R on the right side to the left. The second contact portions 332L and 332R extend in a flat plate shape parallel to the reference surface 315S.

Although not shown, the lower locking piece 312 locks the back side upper and lower joint portions 24 of the outer wall plates 2 adjacent to each other in the left-right direction. The second portion 372 of the first waterproof material 70 covers the butt portion 24J between the upper and lower joint portions 24 on the back side. The upper locking pieces 311L and 311R lock the engaging recesses 23A of the front upper and lower joint portions 23 of the outer wall plate 2 located on the upper side. The bearing piece 13 supports the upper outer wall plate 2 by contacting the lower end portion of the upper outer wall plate 2 from below. The first contact portion 331L, 331R and the second contact portion 332L, 332R abut on the back surface 2B of the outer wall plate 2.

Even in the attachment 310 of the third embodiment having such a configuration, the waterproof performance of the outer wall plate 2 attached to the structure 8 can be improved as in the attachment 10 of the first embodiment.

Further, the set of the fixture 310 to which only the pair of the second waterproof materials 80L and 80R are attached and the first waterproof material 70 as a separate member with the release sheet 70S is also attached to the structure 8 in the same manner. The waterproof performance of the outer wall plate 2 can be improved.

In the above, the embodiment of the present invention has been described in accordance with the first to third embodiments, but the embodiment of the present invention is not limited to the first to third embodiments, and is appropriately used as long as it does not deviate from the gist thereof. Needless to say, it can be changed and applied.

For example, the adhesive layer may be formed in advance on the back surface of a portion extending below the lower locking piece of the first waterproof material, or an adhesive may be applied at the time of construction.

8 ... Structure 2 ... Exterior material (outer wall board)
10, 310 ... Mounting tool 15, 315 ... Fixing part 13, 313 ... Support piece 13A, 313A ... Tip part of bearing piece 12, 312 ... Lower locking piece 11L, 11R, 311L, 311R ... Pair of upper locking pieces 70 ... First waterproof material W70 ... Length in the width direction of the first waterproof material W12, W312 ... Length in the width direction of the lower locking piece 12F, 312F ... Surface of the lower locking piece 79 ... Adhesive layer 72, 372 ... First 1 The part extending below the lower locking piece of the waterproof material (second part)
80L, 80R ... A pair of second waterproof materials 2F ... Surface of exterior material (surface of outer wall plate)
2B ... Back side of exterior material (back side of outer wall board)
24 ... Back side upper and lower joints 24J ... Butt portion between back side upper and lower joints locked to the lower locking piece 23 ... Front side upper and lower joints 22S, 24S ... Caulking

Claims (7)

A fixture for attaching exterior materials to a structure,
A fixing part that can be fixed to the structure and
A bearing piece provided so as to protrude from the fixed portion, and
A lower locking piece that is bent downward directly from the tip of the bearing piece,
A pair of upper locking pieces that are bent directly upward from the tip portion of the bearing piece and are located on both sides of the lower locking piece in the width direction of the bearing piece.
A first waterproof material provided on the lower locking piece and extending downward from the lower locking piece is provided.
The length of the first waterproof material in the width direction is smaller than the length of the lower locking piece in the width direction.
A fixture characterized in that the surface of the lower locking piece is exposed on both sides of the first waterproof material. The attachment according to claim 1, wherein an adhesive layer is formed on the back surface of a portion of the first waterproof material that extends downward from the lower locking piece. The bearing piece is provided with a pair of second waterproof materials on both sides of the first waterproof material in the width direction apart from the first waterproof material.
The attachment according to claim 1, wherein the surface of the lower locking piece is exposed between the first waterproof material and both the second waterproof materials. It is a set of a fixture and a waterproof material for attaching the exterior material to the structure.
A fixing part that can be fixed to the structure and
A bearing piece provided so as to protrude from the fixed portion, and
A lower locking piece that is bent downward directly from the tip of the bearing piece,
A fitting having a pair of upper locking pieces that are bent directly upward from the tip portion of the bearing piece and are located on both sides of the lower locking piece in the width direction of the bearing piece.
A waterproof material that can be provided on the lower locking piece in a state of extending downward from the lower locking piece.
A set of a fixture and a waterproof material, wherein the length of the waterproof material in the width direction is set to be smaller than the length of the lower locking piece in the width direction. It is a wall structure in which exterior materials are attached to the structure of a building using fixtures.
The upper end portion of the exterior material has a back side upper and lower joint portion that is recessed from the front surface of the exterior material toward the back surface and extends in the horizontal direction.
The fixture is
A fixed portion fixed to the structure and
A bearing piece provided so as to protrude from the fixed portion, and
A lower locking piece that bends directly downward from the tip of the bearing piece to lock the upper and lower joints on the back side,
A pair of upper locking pieces, which are bent directly upward from the tip portion of the bearing piece and are located on both sides of the lower locking piece in the width direction of the bearing piece, are provided.
The lower locking piece locks the upper and lower joints on the back side of the exterior materials adjacent to each other in the horizontal direction.
The lower locking piece is provided with a first waterproof material extending downward from the lower locking piece.
The length of the first waterproof material in the width direction is smaller than the length of the lower locking piece in the width direction.
The surface of the lower locking piece is exposed on both sides of the first waterproof material.
Wherein the lower portion extending below the engaging piece of the first water proof material, the wall structure, characterized in that covering the abutting portion of the rear upper and lower joint portions, which is engaged with the lower engaging piece ..
The lower end portion of the exterior material has a front side upper and lower joint portion that is recessed from the back surface of the exterior material toward the front surface and extends in the horizontal direction and can be fitted with the back side upper and lower joint portion.
At least one of the back side upper and lower joints and the front upper and lower joints is provided with caulking that extends horizontally and adheres to both of the back side upper and lower joints and the front upper and lower joints in a state of being fitted.
The wall structure according to claim 5, wherein a portion of the first waterproof material extending downward from the lower locking piece extends downward beyond the caulking. It is a method of constructing an exterior material that attaches an exterior material to a building structure using a fixture.
The upper end portion of the exterior material has a back side upper and lower joint portion that is recessed from the front surface of the exterior material toward the back surface and extends in the horizontal direction.
The fixture is
A fixing part that can be fixed to the structure and
A bearing piece provided so as to protrude from the fixed portion, and
A lower locking piece that can be bent directly downward from the tip of the bearing piece to lock the upper and lower joints on the back side.
A pair of upper locking pieces, which are bent directly upward from the tip portion of the bearing piece and are located on both sides of the lower locking piece in the width direction of the bearing piece, are provided.
The first step of locking the upper and lower joint portions on the back side of the exterior materials adjacent to each other in the horizontal direction by the lower locking piece, and fixing the fixing portion to the structure in that state.
A waterproof material smaller than the length of the lower locking piece in the width direction covers the butt portion between the lower locking piece and the back side upper and lower joints locked to the lower locking piece, and also waterproofs the lower locking piece. A method for constructing an exterior material, which comprises a second step of exposing the surface of the lower locking piece on both sides of the material.

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