JP2018071266A - Wallboard mounting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wallboard mounting structure that can improve the permissible proof strength of the retaining portion of the wallboard such as the extruded cement board or the like and appropriately attach it to the frame and also can improve the waterproof performance at the joint part.SOLUTION: A wallboard mounting structure, comprising: a main body part having a hollow part; and a plurality of rib parts projecting from a surface of the main body part at a position of the hollow part and extending along a mounting part of the projection frame, in which the rib part has a through hole penetrating from the top of the rib part to the hollow part, the mounting metal part is fixed by a fastening metal fitting extending from the top part of the rib part to the hollow part via the through hole, and the wallboard is fixed to the skeleton by the mounting metal part.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a mounting structure for a wall board such as an extruded cement board.

  2. Description of the Related Art Conventionally, wall panels such as extruded cement boards formed in a panel shape (hereinafter, “extruded cement boards” will be described as an example of a wall board) are attached to a building frame using mounting brackets. Yes.

  FIG. 8 is a cross-sectional view showing a conventional mounting structure for an extruded cement board 100. A base material 121 such as an L-shaped angle fixed by a support material 122 is fixed to the casing 120. And the extrusion-molded cement board 100 is attached by latching to the base material 121 attachment brackets 101, such as Z clip attached to the back surface. A hard packing 123 is provided between the extruded cement plate 100 and the base material 121.

  When the extruded cement board 100 is used as an outer wall, the allowable stress level due to wind load is calculated according to the building location and height of the building, and a support span in which the mounting bracket 101 is provided is set. This support span is set in consideration of the allowable proof stress set in the fastening portion 105 (fixed portion of the mounting bracket 101) of the extruded cement board 100. For this reason, the position and pitch of the base material 121 and the size of the extrusion-molded cement board 100 may be limited due to allowable strength.

  Further, in the mounting structure as shown in FIG. 8, as a waterproof structure of the outdoor side O in the joint part 110 of the extrusion-molded cement board 100, a backup material 113 is provided in the joint part 110, and the sealing material 111 is provided on the outdoor side O. Has been laid. For this reason, a draining metal (not shown) or a gasket may be provided so as to keep the waterproof performance stable even when a displacement occurs during an earthquake or the like. In addition, rock wool 112 is filled between the lower surface of the base material 121 and the extruded cement board 100 below.

  For example, as a prior art of a mounting structure that improves the yield strength of the fastening part in this type of wall plate, the cross-sectional shape of the hollow part in the fastening part is gradually approached toward the back surface with the axis of the fixing bolt being symmetrical with respect to the axis. There is a mounting structure in which a receiving bolt of a fixing bolt that fixes a mounting bracket is a pair of side pieces that are bent so as to abut against the inclined surface (for example, Patent Document 1). reference).

  As another prior art, as a receiving structure for a cement molded plate having a hollow portion, a female screw portion that is screwed with a bolt is formed on a base plate portion, and a rubber plate having a concentric hole with the female screw portion is a bolt. Some include a receiving object bonded to the surface of the substrate portion on the insertion side (see, for example, Patent Document 2). In this receiving structure, the bolt inserted through the hollow portion is screwed into the female screw portion, so that the receiving metal is brought into contact with the inner surface of the hollow portion via the rubber plate.

JP 2009-133107 A Japanese Patent Laid-Open No. 9-60191

  However, in the structure of the above-mentioned Patent Document 1, the cross-sectional shape in the hollow portion of the fastening portion must be accurately finished with a special shape. In addition, a metal receiving device having a shape that matches the hollow portion having a special shape is required, and the receiving material also requires a lot of costs. In particular, in the case of a large structure provided with a plurality of wall plates, a very large cost is required.

  Moreover, the structure of the above-mentioned patent document 2 is to disperse the load by the surface contact of the rubber plate even if the surface contacting the cement plate has irregularities due to the rubber plate adhered to the surface contacting the cement molded plate of the receiving metal. Yes, it is impossible to improve the allowable yield strength at the fastening portion. In addition, it is necessary to bond a rubber plate to the metal receiving piece, and the receiving metal is expensive.

  On the other hand, in the wallboard mounting structure, various devices have been considered in addition to the placement of a sealing material for maintaining the sealing performance at the joint, but further improvement in sealing performance is also desired.

  Therefore, the present invention can improve the allowable strength of the fastening portion in the wall plate such as an extruded cement board and can be appropriately attached to the housing, and can also improve the waterproof performance in the joint portion. It aims at providing the attachment structure of a board.

  In order to achieve the above object, the present invention provides a wall plate mounting structure, wherein the wall plate protrudes from the surface of the main body portion at a position of the main body portion having a hollow portion, and the hollow portion. A plurality of rib portions extending along the attachment portion, and the rib portion has a through hole penetrating from the top portion of the rib portion to the hollow portion, and from the top portion of the rib portion through the through hole. A mounting bracket is fixed by a fastener that extends to the hollow portion, and the wall plate is attached to the housing by the mounting bracket.

  With this configuration, the mounting bracket is fixed to the wall plate with a fastening bracket provided in a through-hole penetrating from the top of the rib portion provided on the mounting surface of the wall plate to the hollow portion, thereby pulling out the fastening portion of the mounting bracket. The allowable strength can be improved by increasing the strength. Therefore, it is possible to improve the degree of design freedom such as increasing the size of the wall plate and the mounting interval of the mounting bracket.

  Further, the wall plate is an extruded cement board formed such that the hollow portion is continuous in one direction and the rib portion extends in a direction in which the hollow portion extends, and the mounting bracket is attached to the hollow portion. You may fix to the arrange | positioned nut with the volt | bolt which penetrates the said through-hole from the top part of the said rib part.

  If comprised in this way, a hollow part and a rib part can be formed easily at the time of shaping | molding of the extrusion-molded cement board which is a wall board, and the freedom degree of design improves further. Moreover, since the mounting bracket to be attached to the top of the rib part can be attached by screwing the bolt from the top of the rib part to the nut that can be placed at any position in the hollow part of the extruded cement plate, workability Can be improved.

  Moreover, the said housing | casing may be provided with the base material which supports only the said rib part in the joint part of the said wall board, and the said wall board may be attached, supporting only the said rib part with the said base material.

  If comprised in this way, since only the rib part of a wall board is supported by the base material by the side of a housing, the sealing process etc. in a joint part from the room inner side of a wall board can be performed easily.

  In addition, the joint portion of the wall plate supported by the base material is provided with at least one of a sealing material and a gasket material that are continuous in the extending direction of the joint portion at a facing portion on the front surface side and the back surface side of the wall plate. It may be done. The “opposing part” in the document of this specification and the claims refers to a part of the main body part facing the front side and the back side of the hollow part.

  If comprised in this way, in the joint part of a wall board, a sealing material can be cast not only from the surface side but from the back side, or a gasket material can be inserted into the back side. Can be done easily. Therefore, it is possible to easily provide a double seal by a double sealant or a combination of a sealant and a gasket material. Thereby, the improvement of the watertight performance in a joint part, etc. can be aimed at.

  An environment improving member or a decorative member may be provided between the rib portions on the back surface of the main body portion. The “environment improving member” in the specification and claims includes “sound absorbing member”, “sound insulating member”, “humidity adjusting member”, “heat absorbing member”, “deodorizing member”, and the like. The “decorative member” in the specification and claims includes a member on which a picture is drawn, a colored member, and the like.

  If comprised in this way, in the range of the thickness of a wall board, the environment improvement member and decoration member which improve indoor environment can be provided between the rib parts of a wall board, and the function of indoor environment improvement is added. Or adding decorativeness. Therefore, the wall plate can improve the environment in places where noise is generated, where humidity is high, where heat is generated, where odor is generated, and the like.

  Further, the rib portion may be formed with a protrusion protruding in a direction parallel to the back surface at a predetermined distance from the back surface of the main body portion.

  If comprised in this way, an environment improvement member and a decoration member can be easily provided by inserting an environment improvement member and a decoration member between the back surface of a main-body part, and a projection part.

  ADVANTAGE OF THE INVENTION According to this invention, the allowable proof stress in the fastening part of a wall board can be improved, it can attach appropriately with respect to the housing of a building, and it becomes possible to improve a design freedom. It is also possible to improve the waterproof performance at the joint.

FIG. 1 is an end view of an extruded cement board according to a first embodiment used in the mounting structure of the present invention. FIG. 2 is an end view of an example in which an environment improving member is provided on the extruded cement board shown in FIG. FIG. 3 is an end view of an extruded cement board according to a second embodiment used in the mounting structure of the present invention. FIG. 4 is an end view of an extruded cement board according to a third embodiment used in the mounting structure of the present invention. FIG. 5 is a cross-sectional view of a mounting structure using the extruded cement board shown in FIG. 6 is a perspective view of a mounting structure using the extruded cement board shown in FIG. 2, wherein (A) is a perspective view seen from the indoor side, and (B) is a perspective view seen from the outdoor side. 7 is a perspective view of the mounting structure using the extruded cement plate shown in FIG. 3, wherein (A) is a perspective view seen from the indoor side, and (B) is a perspective view seen from the outdoor side. FIG. 8 is a cross-sectional view showing a conventional structure for mounting an extruded cement board.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following embodiments, an extruded cement board will be described as an example of the wall board. In the specification and claims, the outer surface of the extruded cement board is referred to as “surface F”, the inner surface is referred to as “back surface B”, and the outer space of the extruded cement board is referred to as “outdoor O”. The internal space is called “indoor side I”.

(Wallboard according to the first embodiment)
FIG. 1 is an end view of an extruded cement board 10 according to the first embodiment, and FIG. 2 is an end view of an example in which an environment improving member 50 is provided on the extruded cement board 10 shown in FIG. The extrusion-molded cement board 10 of this embodiment includes a main body portion 11 that is extruded so as to have a hollow portion 12, and a plurality of predetermined intervals so as to protrude from the back surface B of the main body portion 11 toward the indoor side I. A rib portion 15 is provided.

  The extruded cement board 10 is extruded so that the hollow portion 12 is continuous in one direction (a direction orthogonal to the paper surface), and the rib portion 15 is formed to extend in the direction in which the hollow portion 12 is continuous. . The rib portion 15 can be integrally formed when the main body portion 11 is formed. Further, the rib portion 15 is provided with a protruding portion 17 formed at the uppermost portion on the indoor side I so as to protrude in a direction parallel to the back surface B of the extruded cement board 10. The protruding portion 17 protrudes from the back surface B at a predetermined distance. The rib portion 15 also has a hollow portion 16 formed therein.

  And the through-hole 18 which penetrates from the top part of the rib part 15 to the hollow part 12 of the main-body part 11 is provided in the part which fixes the attachment metal fitting 40 (FIG. 5). In this example, through holes 18 are provided in the two rib portions 15 with respect to the five rib portions 15. The rib portion 15 provided with the through hole 18 is provided so as to extend along the attachment portion of the casing 120 (also the fastening portion 45 of the extruded cement board 10) (FIG. 6).

  Thereby, the position of the through hole 18 which is a fixing portion of the mounting bracket 40 which becomes the fastening portion 45 of the extrusion-molded cement board 10 is extended from the top portion of the rib portion 15 to the hollow portion 12 of the main body portion 11 (FIG. 5). ), The mounting bracket 40 is fixed, and the allowable yield strength of the fastening portion 45 can be improved.

  As shown in FIG. 2, according to the extruded cement board 10, the environment improving member 50 and the decorative member (the same size as the environment improving member 50) are provided between the back surface B of the main body 11 and the protrusion 17. It can be easily prepared. The environment improving member 50 and the decorative member can be attached by being inserted in the extending direction of the rib portion 15 between the back surface B and the protruding portion 17 of the rib portion 15.

  By providing the “sound absorbing member” as the environment improving member 50, it is possible to improve the environment by absorbing noise in a place where noise occurs. For example, if it is a wall board of the place where a machine operates, the noise which a machine emits can be absorbed. Moreover, by providing the extruded cement board 10 with the environment improving member 50 of the sound absorbing member, the sound absorbing effect by the sound absorbing effect by the extruded cement board 10 and the sound absorbing effect by the environment improving member 50 can be exhibited.

  Further, by providing a “sound insulation member” as the environment improvement member 50, a further sound insulation effect can be exhibited. Further, by providing the “humidity adjusting member” as the environment improving member 50, the environment can be improved by adjusting the humidity in a place where the humidity is high. Further, by providing a “heat absorbing member” as the environment improving member 50, it is possible to absorb the heat in a place where there is a heat source. Further, by providing a “deodorizing member” as the environment improving member 50, the environment can be improved by deodorizing in a place where odor is generated. In addition to these examples, the environment improving member 50 may be any member that can improve the environment, and may include the environment improving member 50 suitable for the conditions.

  Moreover, as a decoration member, the member by which the picture was drawn, the member colored according to the place, etc. can be provided, for example. For example, a decorative member or the like on which a picture is drawn can be provided as a wall board where many people take a break.

(Wallboard according to the second embodiment)
FIG. 3 is an end view of the extruded cement board 20 according to the second embodiment. The extrusion-molded cement board 20 of this embodiment is provided with a plurality of rib sections 25 having a rectangular cross section at a predetermined interval so as to protrude from the back surface B toward the indoor side I. A hollow part 22 extending in the extrusion direction is formed in the main body part 21. A rib portion 25 is provided at the position of the hollow portion 22. The extrusion-molded cement board 20 of this embodiment can also integrally mold the rib portion 25 having the hollow portion 26 when the main body portion 21 having the hollow portion 22 is extruded. The rib portion 25 is provided with a through hole 38 penetrating from the top portion of the rib portion 25 to the hollow portion 22 of the main body portion 21.

  Also in this extrusion-molded cement board 20, the position of the through hole 28, which is a fixing portion of the mounting bracket 40 serving as the fastening portion 45, is a bolt 41 (from FIG. 5) extending from the top of the rib portion 25 to the hollow portion 22 of the main body portion 21. In the same manner, the allowable yield strength in the fastening portion 45 can be improved.

(Wallboard according to the third embodiment)
FIG. 4 is an end view of the extruded cement board 30 according to the third embodiment. In the extrusion-molded cement board 30 of this embodiment, the rib part 35 is provided only in the part to which the mounting bracket 40 (FIG. 7) on the back surface B is attached. The rib portion 35 also has a hollow portion 36 having a rectangular cross section and extending in the pushing direction of the main body portion 31. The extrusion-molded cement board 30 of this embodiment can also integrally mold the rib portion 35 having the hollow portion 36 when the main body portion 31 having the hollow portion 32 is extruded. The rib portion 35 is provided with a through hole 38 penetrating from the top of the rib portion 35 to the hollow portion 32 of the main body portion 31.

  Also in this extrusion-molded cement board 30, the position of the through hole 38, which is a fixing part of the mounting bracket 40 serving as the fastening part 45, is a bolt 41 (see FIG. 5) extending from the top of the rib part 35 to the hollow part 32 of the main body part 31. In the same manner, the allowable yield strength in the fastening portion 45 can be improved.

  Moreover, according to this extrusion-molded cement board 30, since there are few rib parts 35, the cost of the extrusion-molding cement board 30 can be reduced, improving the allowable proof stress in the fastening part 45 which fixes the attachment bracket 40. It becomes possible.

(Mounting structure according to the first embodiment)
FIG. 5 is a cross-sectional view of the mounting structure 1 using the extruded cement board 10 shown in FIG. The configuration related to the casing 120 is the same as the configuration shown in FIG. 8 described above, and the same components are denoted by the same reference numerals and description thereof is omitted.

  The attachment structure 1 is an example of vertical stretching in which the hollow portion 12 in the main body portion 11 of the extruded cement board 10 extends in the vertical direction. Mounting ribs (Z clips) 40 are fixed to the rib portions 15 of the extrusion-molded cement board 10 at the upper and lower positions, respectively. The mounting bracket 40 includes a bolt 41 as a fastening bracket inserted into the through hole 18 extending from the top of the rib portion 15 through the hollow portion 16 of the rib portion 15 to the hollow portion 12 of the main body portion 11. 12 is fixed to the rib portion 15 by being screwed to the nut 42 disposed in the position 12. The extrusion-molded cement board 10 is attached by locking the attachment fitting 40 to the base material 121. According to this attachment structure 1, the extruded cement board 10 is attached such that only the rib portion 15 is supported by the base material 121.

  Therefore, according to the mounting structure 1, the mounting bracket 40 is fixed to the rib portion 15 by the bolt 41 through the through hole 18 penetrating the rib portion 15 from the hollow portion 12 of the main body portion 11. 40 can be firmly fixed to the rib portion 15. Therefore, the allowable proof stress in the position of the through-hole 18 which is a fixing | fixed part of the attachment metal fitting 40 used as the fastening part 45 can be improved.

  Further, only the rib portion 15 of the extruded cement board 10 is supported on the horizontal joint 60 on the end face of the extruded cement board 10 in a state where it is placed on the base material 121 of the casing 120. For this reason, the opposing part of the extending direction of the horizontal joint part 60 in the surface side and back surface side which is the part which the base material 121 does not enter to the horizontal joint part 60 and the hollow part 12 of the extrusion-molded cement board 10 is not doubled. It can be sealed with a sealing material 61. Moreover, since the sealing material 61 is continuously driven between the extruded cement boards 10, the adhesion state of the sealing material 61 can be stably maintained. The lateral joint portion 60 is filled with rock wool 63 at the center, a backup material 62 is inserted into the outdoor side O and the indoor side I, and a sealing material 61 is applied to the outdoor side O and the indoor side I, respectively. It is installed.

  Moreover, you may use a gasket material instead of the sealing material 61 as waterproofing in the back surface side of the extrusion-molded cement board 10. FIG. Even when the gasket material is used, since the base material 121 does not enter the horizontal joint portion 60, it can be continuously held in the extending direction of the horizontal joint portion 60 between the extruded cement boards 10 like the sealing material 61. The waterproof performance in the horizontal joint portion 60 can be improved.

  Thus, according to the mounting structure 1 described above, even in the mounting structure 1 that receives the extruded cement board 10 by the base material 121, the sealing material is respectively provided on the outer surface side and the inner surface side of the end surface of the extruded cement board 10 in the horizontal joint portion 60. 61 can be placed appropriately. Even when a gasket material is used, it can be held double between the horizontal joint portions 60 of the extrusion-molded cement board 10, so that the waterproof performance of the horizontal joint portion 60 can be improved. The seal in the horizontal joint portion 60 may be a double sealing material 61 or a structure in which the outside is a sealing material 61 and the inside is a gasket material.

  Therefore, according to this mounting structure 1, it is possible to improve the allowable yield strength in the fastening portion 45 of the extruded cement board 10 and improve the waterproof performance in the horizontal joint portion 60.

(Mounting structure according to the second embodiment)
6 is a perspective view of the mounting structure 2 using the extrusion-molded cement board 10 shown in FIG. 2, (A) is a perspective view seen from the indoor side I, and (B) is a perspective view seen from the outdoor side O. FIG. It is. As shown in FIG. 2, the mounting structure 2 is an example in which a sound absorbing material is provided as an environment improving member 50 on the rib portion 15 of the extruded cement board 10. In addition, the structure regarding the housing 120 is the same as the structure shown in the said FIG. 8, The same code | symbol is attached | subjected to the same structure and description is abbreviate | omitted. Moreover, since the structure which attaches the extrusion-molded cement board 10 to the base material 121 of the housing 120 is the same as the structure shown in the said FIG. 5, the description is abbreviate | omitted.

  The extrusion-molded cement board 10 of this embodiment uses a projection 17 formed at the end of the rib portion 15 and includes an environment improving member 50 between the projection 17 and the back surface B of the main body 11. ing. The environmental improvement member 50 is completely attached by being inserted between the main body 11 and the protrusion 17. Therefore, the environmental improvement member 50 can be easily provided on the extruded cement board 10. The extrusion-molded cement board 10 to which the environment improving member 50 is attached is attached to the base material 121 of the casing 120 with the attachment bracket 40.

  According to this mounting structure 2, similarly to the mounting structure 1, since only the rib portion 15 is supported in a state where the extruded cement board 10 is mounted on the base material 121, the surface F side of the extruded cement board 10. The double sealing material 61 can be appropriately placed in the extending portion of the horizontal joint portion 60 and the extending portion of the horizontal joint portion 60 on the back surface B side, and the sealing performance can be improved.

  Further, since the base material 121 does not hide part of the vertical joint portion 65 and the horizontal joint portion 60 of the cross portion, the sealing material 61 can be appropriately placed also on this portion, and the waterproof performance in the vertical joint portion 65 can be provided. Can also be improved.

  Further, even when the weight of the extruded cement board 10 is increased by inserting the environment improving member 50 between the rib portions 15, the through holes 18 penetrating the rib portions 15 from the hollow portions 12 of the main body portion 11. Since the mounting bracket 40 is fixed by the bolt 41 (FIG. 5), the allowable proof stress in the fastening portion 45 of the extruded cement board 10 can be improved.

  And according to this attachment structure 2, the sound which leaks to the outdoor side O of the extrusion-molded cement board 10 by the sound-insulation effect by the sound-insulation effect by the extrusion-molded cement board 10 and the sound-absorption effect by the environment improvement member 50 of a sound-absorption member. It can be greatly reduced. For example, by using the mounting structure 2 for a surrounding wall on the roof of a building, it is possible to suppress the sound of a machine or the like from leaking to the surroundings. Further, for example, it can be used as a wall material around an elevator or a wall material where a noise generating source such as a power generation device is installed.

  Furthermore, by selecting the environment improving member 50 or the decorative member according to the purpose, it can be used as a wall material suitable for various places.

(Mounting structure according to the third embodiment)
7 is a perspective view of the mounting structure 3 using the extruded cement board 20 shown in FIG. 3, wherein (A) is a perspective view seen from the indoor side I, and (B) is a perspective view seen from the outdoor side O. FIG. It is. In addition, the structure regarding the housing 120 is the same as the structure shown in the said FIG. 8, The same code | symbol is attached | subjected to the same structure and description is abbreviate | omitted. Moreover, since the structure which attaches the extrusion-molded cement board 20 to the base material 121 of the housing 120 is the same as the structure shown in the said FIG. 5, the description is abbreviate | omitted.

  Even in this mounting structure 3, the mounting bracket 40 is fixed through the through hole 28 that penetrates the rib portion 25 from the hollow portion 22 of the main body portion 21, so that the allowable strength of the fastening portion 45 can be improved.

  Similarly to the mounting structure 1 described above, since only the rib portion 25 is supported in a state where the extruded cement board 20 is attached to the base material 121, the horizontal joint portion 60 is hung on the base material 121, or the base material 121 does not enter the horizontal joint 60. For this reason, in the case of the attachment structure 3, even when the gasket material 64 is attached to the horizontal joint portion 60 on the indoor side I, it can be easily inserted, and the workability of attaching the gasket material 64 is good. In this example, the horizontal joint 60 is provided with a rock wool 63 at the center, and a gasket material 64 is mounted on the indoor side I. A backup material 62 is inserted into the outdoor side O of the rock wool 63, and a sealing material 61 is placed on the outdoor side O.

  6 and 7, an example in which the extruded cement plates 10 and 20 are vertically stretched has been described. However, the same applies when the extruded cement plates 10 and 20 are horizontally stretched. The tension direction is not limited.

(Summary)
As described above, according to the mounting structures 1, 2, and 3 of the above-described extrusion-molded cement plates (wall plates) 10, 20, and 30, the pull-out strength of the mounting bracket 40 in the fastening portion 45 is increased, and the allowable strength is increased. Since it improves, the design freedom degree of the position which attaches the attachment metal fitting 40 in the length direction of the extrusion-molded cement board 10,20,30 can be improved. In addition, since the mounting bracket 40 can be easily mounted using the bolt 41 and the nut 42, the mounting bracket 40 can be efficiently constructed. Therefore, it is possible to improve the degree of freedom of design such as the size of the extrusion-molded cement plates (wall plates) 10, 20, and 30 and the mounting pitch.

  Further, since the extruded cement plates (wall plates) 10, 20, and 30 are supported only by the rib portions 15, 25, and 35, the waterproof treatment for the horizontal joint portion 60 is performed twice on the front surface F side and the back surface B side. be able to. That is, since the sealing material 61 can be easily placed or the gasket material can be inserted even on the indoor side I of the extruded cement boards 10, 20, and 30, the watertight performance can be improved by the double seal. It becomes possible. In addition, since the sealing material 61 in the horizontal joint portion 60 is placed between the extruded cement plates 10, 20, and 30 facing each other in the vertical direction, the sealing material 61 is appropriately bonded. In the case of the gasket material 64, it can be made to adhere | attach appropriately.

  Therefore, the outer wall mounting structures 1, 2, 3 that can firmly attach the extruded cement plates (wall plates) 10, 20, 30 to the base material 121 and can improve the waterproof performance together. Become.

  Moreover, by providing the environmental improvement member 50 and a decoration member between the rib parts 15, 25, and 35 of the extrusion-molded cement board (wall board) 10, 20, and 30, the extrusion-molded cement boards 10, 20, and 30 are provided. It is possible to easily add a function of adding an indoor environment within the thickness range or to add decorativeness.

  In the above-described embodiment, the extruded cement plates 10, 20, and 30 have been described as examples of the wall plate. However, the wall plate is not limited to the extruded cement plates 10, 20, and 30, and the rib portion 15 , 25, 35 may be used. For example, a lightweight cellular concrete board, a precast concrete board, or another wall board can be used, and the wall board is not limited to the above embodiment.

  In the above embodiment, the rib portions 15, 25, and 35 are described as being hollow, but the rib portions 15, 25, and 35 may not be hollow. Further, the shape of the rib portions 15, 25, 35 may be set in accordance with the required strength, and the form of the rib portions 15, 25, 35 described above is an example, and is limited to the form of the above-described embodiment. is not.

  In the above-described embodiment, the rib portions 15 and 25 are provided at equal intervals in the direction (width direction in the drawing) intersecting the direction in which the hollow portions 12 and 22 are continuous, and the rib portion 35 is continuous with the hollow portion 32. It is provided at both ends of the direction intersecting the direction (width direction in the figure), but the rib part may be a position where the wall plate 10, 20, 30 can be fixed to the base material 121 with the mounting bracket 40. The central part in the width direction or the central part and the end part may be used, and is not limited to the above embodiment.

  Furthermore, the above-described embodiment shows an example, and the configuration on the housing 120 side can be implemented to correspond to various configurations, and various configurations within a range not impairing the gist of the present invention are changed. In addition, the present invention is not limited to the above-described embodiment.

1 Mounting structure
2 Mounting structure
DESCRIPTION OF SYMBOLS 3 Mounting structure 10 Extrusion-molded cement board 11 Main-body part 12 Hollow part 15 Rib part 17 Protrusion part 18 Through-hole 20 Extrusion-molded cement board 21 Main-body part 22 Hollow part 25 Rib part 28 Through-hole 30 Extrusion-molded cement board 31 Main-body part 32 Hollow Part 35 Rib part 38 Through hole 40 Mounting bracket (Z clip)
41 Bolt 42 Nut 45 Fastening part 50 Environmental improvement member 60 Horizontal joint part 61 Sealing material
I Indoor side
O outdoor side

Claims (6)

A wallboard mounting structure,
The wall plate includes a main body portion having a hollow portion, and a plurality of rib portions protruding from the surface of the main body portion at the position of the hollow portion and extending along the attachment portion of the housing,
The rib part has a through-hole penetrating from the top of the rib part to the hollow part, and the mounting bracket is fixed by a fastening fitting extending from the top of the rib part to the hollow part through the through-hole,
The wall plate is attached to the housing with the mounting bracket,
A wallboard mounting structure characterized by that. The wall plate is an extruded cement plate formed such that the hollow portion is continuous in one direction and the rib portion extends in a direction in which the hollow portion extends.
The mounting bracket is fixed to a nut disposed in the hollow portion with a bolt that penetrates the through hole from the top of the rib portion.
The wallboard mounting structure according to claim 1. The housing includes a base material that supports only the rib portion at the joint portion of the wall plate,
The wall plate is attached to support only the rib portion with the base material,
The mounting structure of the wall board of Claim 1 or 2. The joint portion of the wall plate supported by the base material is provided with at least one of a sealing material and a gasket material that are continuous in the direction in which the joint portion extends in the facing portion on the front surface side and the back surface side of the wall plate. Yes,
The wallboard mounting structure according to claim 3. An environmental improvement member or a decorative member is provided between the rib portions on the back surface of the main body portion.
The wallboard mounting structure according to any one of claims 1 to 4. The rib portion is formed with a protrusion protruding in a direction parallel to the back surface at a predetermined distance from the back surface of the main body portion.
The wallboard mounting structure according to claim 5.

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