JP3984617B2 - Fastening bracket for outer wall plate, outer wall construction structure and outer wall construction method using the fastening bracket - Google Patents

Description

  The present invention relates to a fastening member for fastening an outer wall plate to an outer wall surface of a building, an outer wall construction structure and an outer wall construction method using the fastening member.

  2. Description of the Related Art Conventionally, a long rectangular outer wall plate such as a natural stone plate or a ceramic board is fastened to the outer wall surface of a building using a fastening metal fitting. In recent years, high decorativeness and appearance design have been required for such an outer wall plate, and a thick outer wall plate is often used as a decorative plate material in order to give a profound feeling. For example, Patent Document 1 discloses a relatively small and thick thickness (for example, about 35 mm × 220 mm × 455 mm) as shown in FIG. ), And an external wall plate 60 having a high formability that expresses the feeling of masonry of natural stone. The outer wall plate 60 has a locking groove 61 for locking a locking piece of a fastening metal member on the side, and a recessed portion 62 is formed on the back surface side to reduce the weight.

When constructing the outer wall on the building side, as described in Patent Document 1, it is suspended from the base material using a not-shown hanging jig using the recessed portion 62 formed on the back surface of the outer wall plate 60. It is also possible to perform fastening using a fastening bracket 70 as shown in FIG. In the case of using the fastening bracket 70, as shown in FIG. 17, the outer wall surface construction structure, the perspective view of the fastening portion in FIG. 18, and the side sectional view of the fastening portion in FIG. The fastening member 70 is fixed to the base material 66 fixed to the vertical trunk edge 65 with a screw 67. That is, the two lower plate locking pieces 71 and 71 at the center portion of the fastening bracket 70 are locked in the locking groove 61 at the substantially central portion of the upper side portion of the lower outer wall plate 60A. With the lower outer wall plate 60 </ b> A being pressed slightly by 71, 71, the fastening metal fitting 70 is screwed to the base material 66 with screws 67. Next, the locking grooves 61 at both ends of the lower ends of the left and right outer wall plates 60B, 60B arranged adjacent to the upper side are respectively locked to the two upper plate locking pieces 72, 72 on both sides of the fixed fastener 70. The butt construction is done as the state made. By repeating this, a large number of outer wall plates 60 are fastened laterally and upwardly on the building-side wall surface, and the outer wall plate 60 is fastened in a staggered manner as shown in FIG. It becomes.
JP 2000-45485 A

  In the outer wall construction structure described above, the lower outer wall plate 60A is pressed vertically and fixed by the lower plate locking pieces 71, 71 of the fastener 70, and the force for pressing one outer wall plate is obtained. In order not to be biased, it is necessary to carefully position the fastening member 70 at the center of the lower outer wall plate 60A. Further, the side end surfaces of the left and right outer wall plates are basically just butt joints, and it is necessary to pay sufficient attention to the construction so that no gaps are formed on the butt surfaces.

  Furthermore, in order to create a higher appearance design, when it is desired to fasten two or more types of outer wall plates with different lateral dimensions to the same outer wall surface, a fastening bracket fixed to the center of the lower outer wall plate is used. Therefore, it becomes impossible to support the lower end part of the outer wall board adjacently arranged on the upper side. Therefore, it is not easy to construct an outer wall surface that exhibits a variety of appearance designs.

  In addition, when the outer wall part is provided with an opening like a window in part, in order to stably fasten the outer wall plate located around the opening, other types of fastening brackets are usually required. The number of parts to be prepared at the construction site also increases.

  The present invention has been made in view of the circumstances as described above, and for an outer wall plate capable of providing a stable pressing force to the outer wall plate while being easily positioned when fastened to the outer wall plate. The purpose is to provide a fastener. Moreover, even when two or more types of outer wall plates having different lateral dimensions are used, a fastener for an outer wall plate that can be mixed and stably fixed to the same outer wall surface is provided. With the goal. Still another object of the present invention is to stabilize not only the fastening of the outer wall plate to the flat outer wall surface (fastening general portion) but also the fastening of the outer wall plates located around the opening with the same fastening metal fitting. It is in providing the fastener which can be performed.

  Another object of the present invention is to provide an outer wall construction structure and an outer wall construction method using the above-described fasteners.

  A fastening member according to the present invention is a fastening member for fastening an outer wall plate having a locking groove formed on a side side to a building side, and is an engagement formed on one side of the first outer wall plate. A first locking piece that locks in the locking groove and a second locking piece that locks in the locking groove formed on the side of the second outer wall plate that is fastened adjacent to the outer wall plate. A first locking piece, a first locking piece that locks in a locking groove formed on a side perpendicular to the side of the first outer wall plate, and a third that is fastened adjacent to the outer wall plate. A second locking portion having a second locking piece locked in a locking groove formed on the side of the outer wall plate is formed so as to be orthogonal to each other in substantially the same plane of one substrate. (Claim 1).

  In the above fastening bracket, when the outer wall plate is fastened, the upper corner of the outer wall plate to be fastened to the first locking piece of the first locking portion and the first locking piece of the second locking portion. Since the fastening bracket is fixed to the base material side in a state where it is latched in two perpendicular locking grooves in the vicinity of the portion and pressed obliquely downward, positioning with respect to the outer wall plate to be fastened is easy And the fastening manner of the outer wall plate is also stable. After fixing the fastening bracket to the base material, for example, the second outer wall plate located on the side is locked to the second locking piece of the second locking portion with the locking groove formed on the right or left side thereof In addition, the third outer wall plate positioned above is already fastened by locking the locking groove formed on the lower side of the third outer wall plate with the second locking piece of the first locking portion. Positioning is performed with respect to the outer wall plate.

  In the fastening bracket according to the present invention, preferably, the first locking portion and the second locking portion are spaced apart from each other in a state where an extension line of one locking portion does not intersect with the other locking portion. (Claim 2). The fastening metal fitting of this form is preferably used together with an outer wall plate having a recessed portion formed on the back surface. By disposing the first and second engaging portions at a predetermined interval, the other engaging portion is held in the recessed portion of the outer wall plate to which one of the engaging portions is to be fastened. It becomes possible to lock the first locking piece of the portion in the locking groove of the outer wall plate. Therefore, the outer wall plate that is often required in the outer wall plate disposed around the outer wall opening portion has a connecting structure between opposing sides, and the outer wall plate adjacent to the second locking piece of the other locking portion. A fastening structure that is different from the fastening general part, such as being formed by locking in a locking groove formed on the opposite side, can be constructed using the same fastening bracket.

  The fastener according to the present invention can be manufactured by an arbitrary method using an arbitrary material on condition that it has a required strength. Preferably, the substrate is a steel plate, and the first locking portion and the second locking portion are formed by cutting and raising from the substrate and bending. As a result, it is possible to manufacture a fastener having the required elasticity relatively easily and at low cost.

  In the fastening bracket according to the present invention, the substrate may be a flat surface. Preferably, the substrate has a flat floating surface, and the first locking portion and the second locking portion are based on the floating surface. (Claim 4). By adopting this form, the reinforcing ribs stand around the raised surface, and the shape is stabilized. Further reinforcing ribs can be formed in the raised surface.

  The present invention further provides both first and second locking portions as an outer wall construction structure in which an outer wall plate having a locking groove formed on a side is fastened to the building side using any of the above-described fastening brackets. The first locking pieces are respectively locked in orthogonal locking grooves in the vicinity of the corners of the first outer wall plate, and the second locking pieces of both the first and second locking parts are in the lateral direction and Or at least one part is provided with the fastening structure latched in either of the latching grooves formed in the opposite side of the 2nd and 3rd outer wall board which adjoins the upper direction, respectively. An outer wall construction structure is also disclosed (claim 5).

  In the above outer wall construction structure, as described above, each outer wall plate is basically a structure that is fastened to the building side by pressing the upper corner portion obliquely downward, and the fastening structure is the same as that of the outer wall plate. It applies equally to all regardless of the size of the horizontal dimension. Further, the fastening of the lower side of the outer wall plate adjacent in the upward direction is not affected by the position of the fastening bracket already fixed to the building side. Therefore, not only in the case of only the outer wall plate having the same lateral dimension, but also in the case where two or more types of outer wall plates having different lateral dimensions are fastened to the same wall surface, the work can be completed simply by repeating the same operation. Therefore, it is possible to easily construct an outer wall surface that exhibits a variety of appearance designs.

  Furthermore, the end surfaces of the outer wall plates positioned in the lateral direction are not simply butt-joined, but are connected in a state where the second locking piece of any locking portion is locked in the locking groove of the adjacent outer wall plate, And since the said outer wall board is fastened in the state pressed diagonally downward, the connection state of adjacent outer wall boards will become very stable as a whole.

  The outer wall construction structure according to the present invention may be a mode in which the outer wall plate is sequentially fastened to the right side starting from the left corner of the building, and the outer wall plate is sequentially placed on the left side starting from the right corner of the building. It may be a mode of fastening. Moreover, the aspect which fastens an outer wall board in the left-right both directions from the arbitrary positions of a building wall surface may be sufficient. In any case, it can be constructed by using the same type of fastener in a posture rotated 90 degrees.

  In another form of the outer wall construction structure according to the present invention, the outer wall is provided with an opening in a part, and the outer wall plate that at least faces the opening has an outer wall plate in which a recess is formed on the back surface side. The first locking piece of the other locking portion of the mounting bracket in a state in which any one locking portion of the mounting bracket is embedded in a recessed portion formed on the back surface of the outer wall plate Is locked in a locking groove formed on the side of the outer wall plate, and the second locking piece of the locking portion is formed on the opposite side of the outer wall plate adjacent in the upward or lateral direction. A structure that is locked in the locking groove is provided at least in part (claim 6).

  In the above outer wall construction structure, using the same type of fastening metal fittings used for fastening the general part, the connection of the locking grooves formed on the opposite sides of the outer wall plate adjacent in the vertical direction, It is possible to connect the locking grooves formed on the opposite sides of the laterally adjacent outer wall plates, but in the former and the latter, the posture of the fastening bracket at the time of fastening is a posture rotated 90 degrees It becomes.

  As described above, in the outer wall construction structure according to the present invention, two or more kinds of outer wall plates having different lateral dimensions can be used as the outer wall plate, and the mixed structure can be used. Thereby, a high appearance design property is obtained.

  The present invention is further an outer wall construction method in which an outer wall plate in which a locking groove is formed on a side is fastened to a building side using the fastening metal fitting according to any of the above, and has already been fastened. Assuming that the first locking pieces of both the first and second locking portions of the mounting bracket are locked in two orthogonal locking grooves in the vicinity of the upper corner of the outer wall plate, the mounting bracket is Step of fixing to the building side, posture in which the second outer wall plate is fixed to the side of the outer wall plate and the second locking piece of the fixing metal fitting fixed to the locking groove formed on the side thereof And fixing the third outer wall plate above the outer wall plate in a posture in which the other second locking piece of the fixing metal fitting fixed to the locking wall formed in the lower side of the third outer wall plate is locked in the lower side. It is characterized in that the outer wall plate is fastened in the lateral direction and upward direction on the building side by repeating the three steps of attaching. Discloses that the outer wall construction method, also the (claim 8).

  As described above, two or more types of outer wall plates having different lateral dimensions may be mixed and used as the outer wall plate (Claim 9). You may make it use the outer wall board attached to the projecting corner part of a building as an outer wall board used as a starting point (Claim 10).

  As described above, by using the fastening bracket according to the present invention, not only the outer wall plate having the same lateral dimension but also the outer wall plate having different lateral dimensions can be mixed and stably fastened to the same outer wall surface. This makes it possible to easily construct an outer wall surface with a varied appearance design. Moreover, it is possible to stably fasten the outer wall plates positioned around the opening portion of the outer wall surface using the same fastener, and to reduce the number of parts at the work site.

  Hereinafter, the present invention will be described based on embodiments with reference to the accompanying drawings. FIG. 1 is a perspective view showing an example of a fastener according to the present invention, and FIG. 2 shows an example of an outer wall construction structure in which an outer wall plate is fastened to a building using the fastener. 3 is a cross-sectional view taken along line III-III in FIG. 2, and FIG. 4 shows the region as a perspective view. FIG. 5 is a side view taken along the line VV in FIG. 2, and FIG. 6 shows the region as a perspective view. FIG. 7 shows a state in which the fastener shown in FIG. 1 is rotated 90 degrees clockwise. 8 is a cross-sectional view taken along line VIII-VIII in FIG. 2, and FIG. 9 shows the region as a perspective view.

  In this example, the fastener 10 is a molded product of stainless steel, and a part of a rectangular substrate 11 is formed into a flat raised surface 12 by pressing, and the upper region thereof is in the X direction in FIG. A first locking portion 21 that extends is formed, and a second locking portion 25 that extends in the Y direction, which is a direction perpendicular to the X direction, is formed at the right end of the first locking portion 21 in the lower region. It is formed slightly on the right side. Both the first locking portion 21 and the second locking portion 25 are formed by cutting and raising from the raised surface 12 of the substrate 11 and bending.

  The first locking portion 21 includes a receiving plate 22 erected vertically from the substrate 11, a first locking piece 23 extending from the front end of the receiving plate 22 toward the second locking portion 25, and a front end of the receiving plate 22. The second locking piece 24 extends in the opposite direction to the first locking piece 23. Similarly to the first locking portion 21, the second locking portion 25 includes a receiving plate 26 that stands vertically from the substrate 11 and a first engagement that extends from the tip of the receiving plate 26 toward the first locking portion 21. The stopper piece 27 and the second locking piece 28 extending from the front end of the receiving plate 26 on the opposite side of the first locking piece 27 are configured.

  The position of the receiving plate 22 of the first locking portion 21 on the substrate 11 and the position of the upper end of the receiving plate 26 of the second locking portion 25 are separated by a distance a as shown in FIG. This distance a is slightly longer than the thickness b of the wall portion between the left and right and upper and lower sides and the recessed portion 62 in the outer wall plate to be fastened, for example, the outer wall plate 60 shown in FIGS. It is said to be a distance. Further, the inclination angles of the four locking pieces 23, 24, 27, 28 are substantially the same as the inclination angle of the locking groove 61 formed on the side of the outer wall plate 60.

  Further, in the illustrated example, screw holes 13 that are used when fixing the fastener 10 to the building side are provided on the side and above the second locking portion 25 side of the first locking portion 21 in the substrate 11. Further, a rib 14 for reinforcement is formed at a required position on the floating surface 12. Further, the tongue piece 15 is cut upward on the second locking piece 24 side of the first locking portion 21 and the second locking piece 28 side of the second locking portion 25 on the floating surface 12. The outer wall plate to be fastened is pushed forward, that is, toward the second locking pieces 24 and 28.

  The outer wall construction structure that is constructed using the above-described fastening metal fitting 10 will be described below, taking the case where the outer wall field 60 shown in FIGS. 14 and 15 is used as an outer wall plate as an example. FIG. 2 shows the outer wall structure after construction. In this example, the left corner of the building A1 side is the starting point, and the outer wall plates 60 are sequentially fastened in the right direction from there. Yes. Moreover, the opening part B as a window is provided in the wall surface, and the outer wall board 60 is fastened also to the circumference | surroundings.

  For convenience of explanation, the outer wall plate shown as 60a in FIG. 2 is the first outer wall plate to be fastened first, the outer wall plate adjacent to the right side is the second outer wall plate 60b, and the outer wall plate adjacent to the upper side is the third. The fastening structure of the fastening general part will be described as the outer wall plate 60c.

  First, the fastening bracket 10 is set to the upright posture shown in FIG. 1, and the upper right corner of the first outer wall plate 60 a is located in the region defined by the first locking portion 21 and the second locking portion 25. The first engaging piece 23 of the first engaging portion 21 is inserted into the engaging groove 61 formed on the upper side of the outer wall plate 60a, and the first engaging piece of the second engaging portion 25 is brought into proximity. 27 is locked in a locking groove 61 formed on the right side of the outer wall plate 60a. In that posture, the fastener 10 is pressed toward the lower left. Accordingly, the first outer wall plate 60a temporarily placed on the already fixed outer wall plate 60d is firmly positioned on the building side.

  In this state, the screw 67 is passed through the screw hole 13 of the fastening bracket 10 and screwed into the base material 66. Accordingly, the fastener 10 is fixed to the base material 66, and at the same time, the first outer wall plate 60a is firmly attached to the building side. In the figure, only one screw 67 is shown, but two or three screws 67 are used if necessary to improve stability.

  A second outer wall plate 60b is placed on the right side of the fastened first outer wall plate 10a with the lower outer wall plate 60d already fastened as a base, and pressed to the left side. As a result, the second locking piece 28 of the second locking portion 25 of the fixed fastener 10 enters the locking groove 61 formed on the left side of the second outer wall plate 60b. In that state, in the same manner as in the case of the first outer wall plate 60a described above, the fastening metal fitting 10 is attached to the upper right corner of the second outer wall plate 10b in the same posture and pressed toward the lower left, The fastener 10 is fixed to the base material 66. Thereby, the fastening of the second outer wall plate 60b is completed. Hereinafter, the required number of outer wall plates 60 are fastened to the right.

  In the illustrated example, the first outer wall plate 60a and the second outer wall plate 60b have different horizontal dimensions. The lateral width of the outer wall plate 60b1 fastened to the right side is also different from other outer wall plates. However, it can be easily understood that the difference in lateral dimension does not hinder the stable mounting of the outer wall plate.

  In order to fasten the third outer wall plate 60c adjacent to the first outer wall plate 60a, first, the third outer wall plate 60c is dropped onto the first outer wall plate 60a from above. As a result, the locking groove 61 formed on the lower side of the third outer wall plate 60c is locked to the second locking piece 24 of the first locking portion 21 of the fixed fastener 10 to be temporarily fixed. Is done. In the same manner as in the case of the first outer wall plate 60a or the second outer wall plate 60b described above, the fastening metal fitting 10 is attached to the third outer wall plate 60c and fixed to the base material 66, thereby the first outer wall plate 60c. The fastening of the third outer wall plate 60c is completed. Hereinafter, the same is performed for the outer wall plate 60c1 arranged on the right side.

  In the illustrated example, the lateral dimension of the third outer wall plate 60c is different from that of the first outer wall plate 60a and the second outer wall plate 60b. However, in this case as well, the difference in the lateral dimensions does not cause any trouble in the stable attachment of the outer wall plate 60c, as described above.

  In this manner, the fastening of the outer wall plate 60 to the fastening general part can be completed. Multiple types of outer wall plates with different lateral dimensions can be fastened to the outer wall surface in any combination with sufficient stability, making it easy to create an outer wall surface that exhibits a variety of appearance designs. Can be built. Of course, only an outer wall plate having the same lateral dimension can be fastened to form an outer wall surface. Further, as can be seen from the above description, the recessed portion 62 formed on the back surface of the outer wall plate 60 is not particularly used for fastening the outer wall plate to the building side in the general portion. Therefore, what does not have a recessed part can also be used for the outer wall board fastened to a general part.

  Next, a case where the outer wall plate 60 is fastened around the opening B will be described. In the periphery of the opening, since the fastening bracket cannot be protruded into the opening, various devices have been conventionally made in order to obtain a stable fastening mode, such as using a fastening bracket of a different form. . In the outer wall construction structure according to the present invention, it is possible to stably fasten the outer wall plates around the opening to the building side by using the fastening bracket 10 used in the general part as it is.

  5 and 6 are a side view and a perspective view showing the region indicated by the line V-V in FIG. 2, that is, the region on the left side of the opening B. In this region, the outer wall plates 60e, From the relationship between the horizontal dimension of 60e1 and the dimension of the opening B, a part of the right side part of the two outer wall plates is cut and removed. After temporarily placing the lower outer wall plate 60e as described above, the first locking portion 21 of the first locking portion 21 is inserted in the state where the second locking portion 25 of the fastener 10 is embedded in the back surface recessed portion 62. The locking piece 23 is locked in a locking groove 61 formed on the upper side of the outer wall plate 60e. In this state, the fastening member 10 is pressed downward, and the fastening member 10 is fixed to the base material 66 using screws 67. Thereby, the fastening of the outer wall plate 60e is completed.

  On the fastened outer wall plate 60e, the upper adjacent outer wall plate 60e1 is placed. In that case, the 2nd latching piece 24 of the 1st latching | locking part 21 of the fixed fastening metal fitting 10 is engaged with the latching groove | channel 61 formed in the lower edge of the outer wall board 60e1. When the outer wall plate 60e1 is pressed to the left side in this state, it comes into contact with the right side of the outer wall plate already fastened to the left side, and the vicinity of the upper corner of the locking groove 61 formed on the left side of the outer wall plate 60e1 has already been It is locked to the second locking piece 28 of the second locking portion 25 of the clamp 10 that is fixed, and is in a temporarily locked state. Thereafter, the outer wall plate 60e1 is fastened in the same manner as the outer wall plate 60e.

  7 to 9 illustrate the fastening structure of the outer wall plate in the region indicated by the line VIII-VIII in FIG. 2, that is, the region on the lower side surface of the opening B. FIG. Here, the left outer wall plate 60f and a part of the outer wall plate 60f1 fastened to the right side thereof are partially cut along the long side in relation to the size of the opening B. In the construction, the left outer wall plate 60f is temporarily placed using the outer wall plate and the fastening bracket 10 fastened to the left side and the lower side in the same manner as described above. At that time, as shown in FIG. 7, the fastener 10 is used in a posture in which the fastener 10 shown in FIG. 1 is rotated 90 degrees clockwise. When temporarily placing the left outer wall plate 60f, the second locking portion 25 of the fastener 10 having the posture shown in FIG. 7 is embedded in the back surface recessed portion 62 of the outer wall plate 60f. The first locking piece 23 of the first locking portion 21 is locked to the substantially central portion of the locking groove 61 formed on the right side of the outer wall plate 60e. In this state, the fastening bracket 10 is pressed to the left side, and the fastening bracket 10 is fixed to the base material 66 using screws 67. Thereby, the fastening of the left outer wall plate 60f is completed.

  The outer wall plate 60f1 adjacent to the right side is placed on the right side of the fastened outer wall plate 60f. At this time, the second locking piece 24 of the first locking portion 21 of the fastener 10 used to fasten the lower outer wall plate already fastened is formed on the lower side of the outer wall plate 60f1. Lock in the stop groove 61. Then, the outer wall plate 60f1 is pressed to the left side. Thereby, the left side of the outer wall plate 60f1 comes into contact with the right side of the left outer wall plate 60f, and the second locking piece 24 of the first locking portion 21 of the fastening bracket 10 used for fastening the outer wall plate 60f is formed. The outer wall plate 60f1 is locked in the locking groove 61 formed on the left side. Thereby, the outer wall plate 60f1 is temporarily fixed. Thereafter, the outer wall plate 60f1 is fastened in the same manner as the outer wall plate 60f.

  In the above description, as shown in FIG. 2, the case where the outer wall plate 60 is sequentially fastened in the right direction from the starting corner A1 side on the left side of the building in the right direction from there is described. Using the metal fitting 10, the outer wall can be constructed in the same way even in the case of a left follower. The case of left-handed construction will be described with reference to FIGS.

  FIG. 10 shows a general part of the outer wall construction structure in the case of the left follower. Here, the outer wall plate 60 is sequentially fastened in multiple steps in the left direction from the starting corner A2 side on the right side of the building. ing. In this case, the fastener 10 shown in FIG. 1 is used by rotating 90 degrees counterclockwise as shown in FIG.

  12 is a cross-sectional view taken along line XX in FIG. 10, and FIG. 13 is a perspective view showing the region. In this case, the upper left corner of the outer wall plate 60a to be fastened enters the region defined by the first locking portion 21 and the second locking portion 25 of the fastening bracket 10, The fastener 10 is brought close to each other. And the 1st locking piece 23 of the 1st locking part 21 is made into the locking groove 61 formed in the left side of the outer wall board 60a, and the 1st locking piece 27 of the 2nd locking part 25 is made into the outer wall board 60a. It is set as the state each latched in the latching groove | channel 61 formed in the upper side. In that posture, the fastener 10 is pressed toward the lower right. Accordingly, the first outer wall plate 60a temporarily placed on the already fixed outer wall plate 60d is positioned on the building side. In this state, when the fastener 10 is fixed to the base material 66 with the screw 67, the first outer wall plate 60a is firmly attached to the building side.

  The second outer wall plate 60b is placed on the left side of the fastened first outer wall plate 10a with the lower outer wall plate 60d already fastened as a base, and pressed to the right side. As a result, the second locking piece 24 of the first locking portion 21 of the fixed fastener 10 enters the locking groove 61 formed on the right side of the second outer wall plate 60b. In this state, in the same manner as in the case of the first outer wall plate 60a described above, the fastener 10 is attached to the upper left corner of the second outer wall plate 60b in the same posture, and the fastener 10 is directed to the lower right. Then, the fastener 10 is fixed to the base material 66. Thereby, the fastening of the second outer wall plate 60b is completed. Hereinafter, the required number of outer wall plates 60 are fastened to the left.

  In order to fasten the third outer wall plate 60c adjacent to the first outer wall plate 60a, first, the third outer wall plate 60c is dropped onto the first outer wall plate 60a from above. As a result, the locking groove 61 formed on the lower side of the third outer wall plate 60c is locked to the second locking piece 28 of the second locking portion 25 of the fixed fastener 10 to be temporarily fixed. Is done. As in the case of the first outer wall plate 60a or the second outer wall plate 60b described above, the fastener 10 is attached and fixed to the base material 66 with respect to the upper left corner of the third outer wall plate 60c. Thus, the fastening of the third outer wall plate 60c is completed. Hereinafter, the same is performed for the outer wall plate 60c1 arranged on the right side.

  As described above, even in the case of the left follower, the lower wall construction structure is constructed in the same manner as in the case of the right follower, except that the fastening bracket 10 is used in a posture rotated 90 degrees counterclockwise. can do. The same applies to the construction of outer wall plates with different lateral dimensions. Further, although not shown in the drawings, it is not necessary to explain that the fastening structure of the outer wall plate around the opening can be performed by substantially the same operation.

The perspective view which shows an example of the fastening metal fitting by this invention. The figure which shows an example of the outer wall construction structure which fastened the outer wall board to the building side by using the fastening metal fitting shown in FIG. Sectional drawing by the III-III line of FIG. The region of FIG. 3 is shown as a perspective view. The side view which follows the VV line | wire of FIG. The region of FIG. 5 is shown as a perspective view. The fastening metal fitting shown in FIG. 1 is shown rotated 90 degrees clockwise. Sectional view taken along line VIII-VIII in FIG. The region of FIG. 8 is shown as a perspective view. The figure which shows an example of the outer wall construction structure which fastened the outer wall board to the building side by using the fastening metal fitting shown in FIG. The fastening metal fitting shown in FIG. 1 is shown rotated 90 degrees counterclockwise. 12 is a sectional view taken along line XX in FIG. The area of FIG. 12 is shown in perspective view. The front view (FIG. 14a) and back view (FIG. 14b) which show an example of an outer wall board. Sectional drawing by the bb line of FIG. 14a. The perspective view which shows an example of the conventional fastener. The figure explaining the outer wall construction structure constructed using the conventional fastener. The perspective view which shows the fastening part in the outer wall construction structure shown in FIG. FIG. 19 is a side sectional view of the fastening portion shown in FIG. 18.

Explanation of symbols

  60 ... Outer wall plate, 61 ... Locking groove, 62 ... Recessed portion, 10 ... Fastener, 11 ... Substrate, 12 ... Lifting surface, 13 ... Screw hole, 21 ... First locking portion, 25 ... Second locking Part, 22, 26 ... receiving plate, 23, 27 ... first locking piece, 24, 28 ... second locking piece, A1, A2 ... projecting corner as starting point, B ... opening

Claims (10)

A fastening bracket for fastening an outer wall plate with a locking groove formed on the side to the building side,
A first locking piece that locks in a locking groove formed on one side of the first outer wall plate and a hook formed on the side of the second outer wall plate that is fastened adjacent to the outer wall plate. A second locking portion comprising a second locking piece locked in the locking groove;
A first locking piece that locks in a locking groove formed on a side perpendicular to the side of the first outer wall plate and a side of the third outer wall plate that is fastened adjacent to the outer wall plate. A first locking portion including a second locking piece locked in the formed locking groove,
A fastening bracket characterized by being formed so as to be orthogonal to each other in substantially the same plane of one substrate.   2. The first locking portion and the second locking portion are formed with an interval so that an extension line of one locking portion does not intersect with the other locking portion. Fastening bracket.   2. The fastening bracket according to claim 1, wherein the substrate is a steel plate, and the first locking portion and the second locking portion are formed by cutting and raising from the substrate and bending.   2. The fastening bracket according to claim 1, wherein the substrate has a flat lifting surface, and the first locking portion and the second locking portion are formed based on the lifting surface.   An outer wall construction structure in which an outer wall plate in which a locking groove is formed on a side is fastened to a building side using the fastening bracket according to any one of claims 1 to 4, wherein both the first and the second The first locking pieces of the locking portions are respectively locked in orthogonal locking grooves near the corners of the first outer wall plate, and the second locking pieces of both the first and second locking portions are At least a part is provided with a fastening structure that is respectively locked in one of locking grooves formed on opposing sides of the second and third outer wall plates adjacent in the lateral direction and / or the upward direction. Exterior wall construction structure characterized by   6. The outer wall construction structure according to claim 5, wherein the outer wall is provided with an opening in a part thereof, and an outer wall plate in which a concave portion is formed on the back surface side is used at least for the outer wall plate positioned around the opening. The first locking piece of the other locking portion of the mounting bracket is in a state where any one locking portion of the mounting bracket is embedded in the recessed portion formed on the back surface of the outer wall plate. The engagement is formed in the engagement groove formed on the side of the outer wall plate, and the second engagement piece of the engagement portion is formed on the opposite side of the outer wall plate adjacent in the lateral direction or the upward direction. The outer wall construction structure according to claim 5, further comprising a fastening structure that is locked in the stop groove.   The outer wall construction structure according to claim 5 or 6, wherein two or more kinds of outer wall plates having different lateral dimensions are mixed and fastened as the outer wall plate.   An outer wall construction method in which an outer wall plate having a locking groove formed on a side is fastened to a building side using the fastening bracket according to any one of claims 1 to 4, wherein the outer wall is already fastened. Assuming that the first locking pieces of the first and second locking portions of the mounting bracket are locked in two orthogonal locking grooves in the vicinity of the upper corner of the plate, the mounting bracket is attached to the building. A step of fixing to the side, the second outer wall plate on the side of the outer wall plate in a posture in which one of the second locking pieces of the fixing bracket fixed to the side wall is locked in a locking groove formed on the side thereof. Fastening step, and fastening the third outer wall plate above the outer wall plate in a posture in which the other second locking piece of the fastening metal fitting fixed is locked in a locking groove formed on the lower side thereof. The outer wall is characterized in that the outer wall plate is fastened in the lateral direction and the upward direction on the building side by repeating the three processes. Engineering method.   The outer wall construction method according to claim 8, wherein two or more kinds of outer wall plates having different lateral dimensions are used as the outer wall plates, and they are mixed and fastened.   The outer wall construction method according to claim 8 or 9, wherein the outer wall plate serving as a starting point is an outer wall plate attached to a corner of a building.

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