JP6998913B2 - Louver structure and its construction method - Google Patents

Description

The present invention relates to a louver structure formed of a decorative rib material and a method for constructing the louver structure.

Generally, this kind of decorative rib material is applied to the ceiling or wall of a building and used as a louver ceiling or a louver wall. For example, as shown in Patent Document 1, a plurality of ceiling louvers made of decorative rib material are arranged so as to be orthogonal to the stringer suspended from the ceiling portion, and each ceiling louver is fixed to the stringer at the upper end portion. By doing so, it is known that the ceiling portion has an open-air structure.

Japanese Unexamined Patent Publication No. 2013-23864.

By the way, as such a decorative rib material, it is conceivable that a concave groove is formed on the back surface of the base material side. In this product, a receiving material having a rectangular cross section is fixed to the base material in advance, the receiving material is fitted into the concave groove of the decorative rib material, and in that state, nails are applied from the side surface of the decorative rib material. Drive in so that it reaches the receiving material, and fix the decorative rib material to the receiving material. By doing this, at the time of construction, it is only necessary to fix the receiving material to the base material and attach the decorative rib material to it, and these operations are not performed on the upper side of the ceiling or the back of the wall after completion, but on the lower side of the ceiling. It can be easily done from the front side of the wall or the wall. Moreover, by driving the nail from the side surface of the decorative rib material, there is an advantage that the nail head is not visible or a long nail is not required as in the case of driving from the surface of the decorative rib material.

However, in that case, since the nail is driven so as to reach the receiving material from the side surface of the decorative rib material, the nail driving position on the side surface of the decorative rib material is close to the base material. Then, when constructing the louver ceiling or louver wall, for example, multiple decorative rib materials are installed side by side at intervals of a certain pitch, so a nailing tool is placed in the space between the decorative rib materials in the back near the base material. It is necessary to drive in the nail with the part inserted, which makes the work troublesome. This is particularly noticeable when the height of the decorative rib material (dimension from the base material to the surface of the decorative rib material) is high.

The present invention has been made in view of these points, and an object thereof is to further improve the structure of the decorative rib material so that the fixing position on the side surface of the decorative rib material is set to a position away from the base material. The purpose is to facilitate the work of driving the fixing tool into the decorative rib material.

In order to achieve the above object, in the present invention, the decorative rib material includes a core member having a U-shaped cross section as a receiving material attached to the base material with the opening side located on the opposite side of the base material, and a core. The member is provided with a decorative member having a U-shaped cross section that can be assembled in an externally fitted state, and the decorative member is fixed to a core member having a U-shaped cross section at its opening side end with a fixture such as a nail. I did it.

Specifically, the first invention is intended for a louver structure formed by constructing a decorative rib material on a base material of a ceiling or a wall of a building, and the decorative rib material is the base material. A wood material that is provided in a U-shaped cross section by a bottom that can be fixed to the material and side walls that extend parallel to each other from both ends in the width direction of the bottom and that opens on the opposite side of the base material when the bottom is fixed to the base material. A core member made of a material, and a decorative member having a U-shaped cross section that is open to the core member side and is externally fitted to the core member from the opening side of the core member so as to cover the core member. The tip surface of the side wall portion of the core member is in contact with or close to the inner bottom surface of the decorative member, and the decorative member faces the base material side from the side portion of the decorative member to the side wall portion of the core member. It is characterized in that it is fixed to at least the side wall portion of the core member by a fixture that penetrates diagonally as described above, and the inner side surface is adhered to the outer surface of the side wall portion of the core member.

In the louver structure of the first invention, the core member made of wood material in the decorative rib material is provided in a U-shaped cross section, and the bottom portion thereof is fixed to the base material so that the bottom portion is parallel to each other from both ends in the width direction. The side wall extending toward the base material faces away from the base material, and the opening between the tips of the wall portions on both sides opens on the side opposite to the base material. A decorative member having a U-shaped cross section that opens toward the core member is externally fitted to the core member from the opening side of the core member so as to cover the core member, and the tip surface of the side wall portion of the core member is fitted. Is in contact with or close to the inner bottom surface of the decorative member, and the decorative member is formed of the core member by a fixing tool that diagonally penetrates from the side portion of the decorative member to the side wall portion of the core member toward the base material side. It is fixed to at least the side wall portion, and the inner side surface of the decorative member is adhered to the outer surface of the side wall portion of the core member.

At that time, both the core member and the decorative member are members having a U-shaped cross section, and the fixture that diagonally penetrates from the side portion of the decorative member to the side wall portion of the core member toward the base material side is the core. Since it is fixed to at least the side wall of the member, the fixing position on the side of the decorative member should be located on the opening side of the core member away from the base material, and the driving direction should also be toward the base material side. Can be slanted. Therefore, when constructing a louver ceiling or louver wall by arranging multiple decorative rib materials side by side at intervals and fixing them to the base material, a work tool for driving a fixture is used as a base material for the space between the multiple decorative rib materials. It is no longer necessary to work with the tool inserted all the way to the back, and the work can be done at a position away from the base material. Even if the pitch between the decorative rib materials is narrow, the work of driving the fixture becomes easier. Workability and workability can be improved, which is particularly advantageous when the height of the decorative rib material (dimension from the base material to the surface of the decorative rib material) is high.

Moreover, since the tip surface of the side wall portion of the core member is in contact with or close to the inner bottom surface of the decorative member, the tip surface of the side wall portion is separated from the base material and the length of the side wall portion becomes long, and as a result, the decorative member is made. The driving position of the fixing tool in the member becomes a position further away from the base material, and the driving operation of the fixing tool becomes easier.

The second invention is characterized in that, in the first invention, the decorative member of the decorative rib material is made of a non-combustible material. This makes it possible to facilitate the work of driving the fixture into the non-combustible decorative rib material.

The third invention is characterized in that, in the first or second invention, the reinforcing material is fixed to the inner bottom surface of the decorative member of the decorative rib material . As a result, the decorative member is reinforced by the reinforcing material on the inner bottom surface to increase the strength, and even if the decorative member is a material that is easily damaged by an impact or the like, damage at the construction site or the like can be prevented .

The fourth invention is a method of constructing a louver structure according to any one of the first to third inventions, in which the core member of the decorative rib material is placed on the base material at the bottom and the opening side of the core member is the base material. After fixing the decorative member so as to face the opposite side and applying an adhesive to at least one of the outer side wall portion of the core member or the inner side surface of the decorative member, the decorative member is attached to the core member from the opening side of the core member. It is characterized in that the decorative member is fixed to at least the side wall portion of the core member by an outer fitting and a fixture that diagonally penetrates from the side portion of the decorative member to the side wall portion of the core member toward the base material side. And.

In the fourth invention, when the louver structure is constructed, the core member of the decorative rib material is fixed on the base material by a fixing tool at the bottom, and in the fixed state, the opening side of the core member is on the opposite side to the base material. It is suitable. Next, the adhesive is applied to at least one of the outer surface of the side wall portion of the core member or the inner surface of the decorative member, and then the decorative member is externally fitted to the core member from the opening side of the core member. In this outer fitting state, the fixing tool is driven into the decorative member, and the fixing tool penetrates diagonally from the side portion of the decorative member to the side wall portion of the core member toward the base material side, and at least the core member. It reaches the side wall and is fixed to the core member by this fixative. By doing so, the decorative rib material is fixed on the base material, and even if the pitch between the plurality of decorative rib materials is narrow, the work of driving the fixture can be facilitated and the workability and workability can be improved. can.

As described above, according to the louver structure of the present invention, the core member of the decorative rib material has a U-shaped cross section, and the decorative member also has a U-shaped cross section that is externally fitted to the core member, and the decorative member is inside. When the core member is externally fitted, the tip surface of the side wall portion of the core member is brought into contact with or close to the inner bottom surface of the decorative member, and the fixture driven into the side portion of the decorative member is driven from the side portion of the decorative member to the core member. By diagonally penetrating up to the side wall of the member toward the base material side and reaching at least the side wall of the core member, the fixing position on the side of the decorative member is separated from the base material. Even if the position can be set and the pitch between the plurality of decorative rib materials is narrow, the work of driving the fixture can be facilitated and the workability and workability can be improved.

FIG. 1 is an exploded perspective view of a decorative rib material according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of the core member. FIG. 3 is a cross-sectional view of the decorative member. FIG. 4 is a cross-sectional view showing a louver structure to which a decorative rib material is applied. FIG. 5 is a plan view showing a fixed state of the core member to the field edge when the louver ceiling is constructed by fixing a plurality of decorative rib materials to the ceiling portion as viewed from below. FIG. 6 is a cross-sectional view showing a state in which the core member is to be fixed to the field edge. FIG. 7 is a cross-sectional view showing a state in which the adhesive is applied to the decorative member. FIG. 8 is a cross-sectional view showing a state in which a nail is driven into a decorative member.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The following embodiments are merely exemplary and are not intended to limit the invention, its applications or its uses.

FIG. 1 shows a decorative rib material A (louver material) according to an embodiment of the present invention, and FIG. 4 shows a louver structure to which the decorative rib material A is applied. As shown in FIGS. 5, 6 and 8, the decorative rib material A is used to form a louver structure on the field edges B, B, ... (Ceiling field edge) as a base material for the ceiling of the building, for example. Will be constructed in. The field edge B is formed of a metal such as iron in a hollow square cylinder shape (not shown as a hollow shape in the figure). In addition to this, the field edge B may be not only metal but also wooden square lumber or the like.

The decorative rib material A includes a core member 1 as a receiving member and a decorative member 5 assembled to the core member 1. As shown in FIG. 2, the core member 1 is formed from both ends of a plate-shaped bottom portion 1a (the vertical direction is the thickness direction in FIG. 2) and the width direction (horizontal direction in FIG. 2) of the bottom portion 1a. A pair of plate-shaped side wall portions 1b and 1b extending in parallel with each other by the same dimension are provided on a long member having a U-shaped cross section. The bottom portion 1a is formed of, for example, a laminated plywood having a thickness of 21 mm laminated in the thickness direction thereof, and each side wall portion 1b is made of a plywood having a thickness of 2.4 mm, for example, with the thickness direction of the bottom portion 1a as the width direction. Therefore, it is integrally adhered to the widthwise end face of the bottom portion 1a. As shown in FIGS. 4 to 6, the bottom portion 1a of the core member 1 has a screw V (fixture) that penetrates the bottom portion 1a in the thickness direction with the back surface in contact with the field edge B (base material). ), And when fixed to the field edge B at the bottom 1a, the core member 1 opens to the lower side opposite to the field edge B.

The core member 1 is not limited to the above-mentioned structure in which the side wall portions 1b and 1b are integrally joined to the bottom portion 1a, and may be formed as long as the bottom portion and the side wall portions form a U-shaped cross section. .. Such a U-shaped cross section makes it possible to reduce the thickness of the bottom portion. Therefore, when the decorative rib material A (louver material) is applied to the ceiling, it becomes lighter as much as possible, which is advantageous not only in the construction but also in the durability against earthquakes and the like. Further, since a short screw V (fixture) can be used, there is an advantage that the construction work can be easily performed in a short time.

On the other hand, as shown in FIG. 3, the decorative member 5 also has a U-shaped cross section that opens to one side, and is parallel to the plate-shaped front portion 5a and both ends of the front portion 5a in the width direction in the same direction. It has a pair of plate-shaped side portions 5b, 5b extending by the same size, which are made of non-combustible materials such as volcanic vitreous multi-layer plates and other inorganic materials. The decorative member 5 has a plurality of notches extending in the length direction formed in the middle portion in the width direction of the long plate material, and is bent at a right angle by the notches to form a U-shaped cross section, and has a detailed structure. Has already been filed by the applicant of the present application (see Japanese Patent Application No. 2017-212538 and drawings).

The distance d2 between the inner surfaces of both side portions 5b and 5b of the decorative member 5 is larger than the distance d1 between the outer surfaces of the side wall portions 1b and 1b of the core member 1 by a certain dimension (d2> d1), and at the inner bottom surface of the decorative member 5. The distance d4 from the inner surface of the front surface portion 5a to the tip end surface of the side portion 5b is the same as or slightly larger than the width d3 of the outer surface of the side wall portion 1b of the core member 1.

Then, in the state of being assembled to the core member 1 of the decorative member 5, as shown in FIGS. 4 and 8, the decorative member 5 has the opening of the decorative member 5 with respect to the core member 1 of the core member 1. In a state of facing the opening, the core member 1 is externally fitted so as to cover the entire core member 1 from the opening side. At that time, the tip surface of each side wall portion 1b of the core member 1 is in contact with the inner surface of the front surface portion 5a which is the inner bottom surface of the decorative member 5, or is close to the inner surface with a slight clearance.

Further, a constant clearance of, for example, about 0.75 mm is formed between the inner surface of each side portion 5b of the decorative member 5 and the outer surface of each side wall portion 1b of the core member 1 due to the difference between the distances d2 and d1. The clearance is filled with the adhesive S, and the inner surface of each side portion 5b of the decorative member 5 is adhered to the outer surface of each side wall portion 1b of the core member 1 by the adhesive S. Further, on the outer surface of each side portion 5b of the decorative member 5, a pin-shaped nail N (nail) as a fixing tool is driven diagonally upward to the portion near the base end, and the nail N is the side portion 5b of the decorative member 5. To reach the portion near the tip of each side wall portion 1b of the core member 1 and penetrate it. As a result, the decorative member 5 is fixed to the side wall portion 1b of the core member 1 by a nail N (fixture) penetrating the side portion 5b of the decorative member 5 in addition to being adhered by the adhesive S.

When the length of the nail N is long, the nail N may be fixed so as to reach from the side wall portion 1b of the core member 1 to the bottom portion 1a. Further, the nail N may be driven into only one of the side portions 5b and 5b of the decorative member 5 instead of both, and may be fixed to the side wall portion 1b of the core member 1 overlapping the nail N.

Next, a method of constructing a louvered ceiling (louvered ceiling) using the decorative rib material A will be described. As shown in FIGS. 5 and 6, a plurality of field edges B, B, ... (Base material) are previously fixed side by side on the ceiling of the building, and a plurality of field edges B, B, ... When fixing the decorative rib materials A, A, ..., The core member 1 of each decorative rib material A is orthogonal to the field edge B with the opening facing downward (opposite to the field edge B). The bottom portion 1a of the core member 1 is fixed to the field edge B by a screw V (fixing tool) penetrating the core member 1.

Next, as shown in FIG. 7, a linear adhesive S is continuously applied to the inner surface of each side portion 5b of the decorative member 5 along the length direction, and then the decorative member 5 is applied. Arranged so that the opening faces upward (in this state, the opening of the decorative member 5 faces the opening of the core member 1 vertically), and the decorative member 5 is pushed up toward the core member 1. The core member 1 is externally fitted from the opening side. At this time, the adhesive S applied to the inner surface of the side portion 5b of the decorative member 5 is stretched downward as the decorative member 5 moves upward, and the inner surface and the middle of the side portion 5b of the decorative member 5 are stretched. It extends to substantially the entire area between the outer surface of the side wall portion 1b of the core member 1, and the inner surface of the side portion 5b of the decorative member 5 and the outer surface of the side wall portion 1b of the core member 1 are entirely bonded by the adhesive S. The adhesive S may be applied to the outer surface of the side wall portion 1b of the core member 1 (the portion closer to the tip thereof) instead of the inner side surface of the side portion 5b of the decorative member 5, and the side wall portion 1b of the core member 1 may be applied. It can also be applied to both the outer surface and the inner surface of the side portion 5b of the decorative member 5.

When the decorative member 5 is pushed up to the raised end position in this way, as shown in FIG. 8, the front end surface (upper end surface) of the side portion 5b of the decorative member 5 abuts or approaches the lower surface of the field edge B and enters the decorative member 5. The entire core member 1 is accommodated, and the core member 1 is not exposed to the outside. Therefore, since the decorative member 5 is a non-combustible material, the non-combustibility of the louver ceiling can be enhanced.

After that, as shown in FIG. 8, a nail N (nail) as a fixing tool is driven diagonally upward by a nailing tool (not shown) in a portion near the base end on the outer surface of each side portion 5b of the decorative member 5. As a result, the nail N is made to penetrate each side portion 5b of the decorative member 5 to reach the portion near the tip of each side wall portion 1b of the core member 1, and is fixed in a state of being penetrated therethrough. As described above, the fixing of one decorative member 5 is completed, and thereafter, the mounting and fixing of the other decorative member 5 is performed in the same manner as described above. The nail N has a role of fixing the decorative member 5 to the core member 1, but since both members 1 and 5 are basically fixed by the adhesive S, they are temporarily fixed mainly until the adhesive S is cured. The role to do is greater.

Therefore, in the above embodiment, the core member 1 of the decorative rib material A is provided in a U-shaped cross section, and the bottom portion 1a thereof is fixed on the field edge B (base material), whereby the core member 1 is formed. , Plate-shaped side wall portions 1b, 1b extending parallel to each other from both ends in the width direction of the bottom portion 1a face downward away from the field edge B, and an opening between the tips of both side wall portions 1b opens downward opposite to the field edge B. It will be in a state of being. A decorative member 5 having a U-shaped cross section is externally fitted to the core member 1 from the opening side (upper side) of the core member 1 so as to cover the core member 1, and the decorative member 5 is the decorative member 5. It is fixed to the side wall portion 1b of the core member 1 by a nail N (fixing tool) penetrating each side portion 5b, and the inner side surface of the decorative member 5 is adhered to the outer surface of the side wall portion 1b of the core member 1 by the adhesive S. ing.

At that time, the core member 1 is a member having a U-shaped cross section, and penetrates diagonally from the side portion 5b of the decorative member 5 to the side wall portion 1b of the core member 1 toward the field edge B (base material). Since the nail N to be driven is fixed to the side wall portion 1b of the core member 1, the driving position of the nail N in the decorative member 5 can be set to a lower position away from the field edge B. Therefore, as shown in FIG. 8, when a plurality of decorative rib materials A, A, ... Are arranged side by side at intervals and fixed to the field edges B, B, ... To construct a louver ceiling, the adjacent decorative rib materials A , Even if the pitch between A is narrow, in the nailing work, the nailing tool for driving the nail N is inserted to the inner part (upper part) near the field edge B of the space between the decorative rib materials A and A. There is no need to nail, and the nailing tool can be positioned on the opening side (lower part) of the space between the decorative rib materials A and A, and nailed at the lower position away from the field edge B. The driving work becomes easy and the workability and workability can be improved. This is particularly advantageous when the height of the decorative rib material A (the dimension from the field edge B to the surface of the decorative rib material A) is high.

Further, since the tip surface of the side wall portion 1b of the core member 1 is in contact with or close to the inner bottom surface of the decorative member 5, the tip position of the side wall portion 1b is separated from the field edge B and the length of the side wall portion 1b. Becomes longer. As a result, the driving position of the nail N in the decorative member 5 can be set to a position further away from the field edge B, and the driving operation of the nail N becomes easier.

Further, when the decorative member 5 is a non-combustible material such as a volcanic vitreous multi-layer board, the decorative rib material A becomes a non-combustible decorative rib material, and the non-combustible decorative rib material A is arranged side by side to construct the non-combustible louver ceiling. Can be enhanced. Then, the work of driving the nail N into the nonflammable decorative rib material A becomes easy.

(Other embodiments)
In the above embodiment, the decorative member 5 in the decorative rib material A is made of a non-combustible material such as a volcanic vitreous multi-layer board, but if the louver structure is not required to be non-combustible, the decorative member 5 is non-combustible. It may be formed of a material other than the material, for example, a wood material such as MDF.

Further, in the above embodiment, the construction structure of the louver ceiling in which a plurality of decorative rib materials A, A, ... Are fixed to the field edges B, B, ... (Base material) in the ceiling of the building is the construction structure of the louver ceiling. The rib material A can also be used for a louvered wall (louvered wall) constructed on the wall of a building. In that case, the field edge B shown in FIGS. 4 to 6 and 8 is imitated as a plurality of horizontal or vertical furring strips (base materials) fixed to the wall of the building. A plurality of decorative rib materials A, A, ... may be mounted and fixed so as to be orthogonal to the furring strip, and the mounting structure thereof is the same as that of the above embodiment, and the construction method is also the same. As a result, a louver wall in which the decorative rib material A is applied to the wall portion of the building can be obtained.

Further, in the above embodiment, a plate-shaped reinforcing material may be fixed to the inner bottom surface of the decorative member 5 (lower surface of the front surface portion 5a in FIG. 3) by adhesion, and in particular, the decorative rib material A may be a wall portion of the building. It is preferable in the case of the above-mentioned louver wall to be constructed in.

In that case, the distance d4 from the inner surface of the front surface portion 5a of the decorative member 5 to the tip surface of the side portion 5b is made to some extent larger than the width d3 of the outer surface of the side wall portion 1b of the core member 1, and each side wall portion 1b of the core member 1 is made larger. A large clearance may be provided between the tip surface and the inner surface of the front surface portion 5a of the decorative member 5, and a reinforcing material may be arranged in the clearance to adhere to the inner surface of the front surface portion 5a of the decorative member 5. The reinforcing material is formed of plywood or the like like the core member 1.

When the reinforcing material is fixed to the inner bottom surface of the decorative member 5 in this way, the decorative member 5 is reinforced by the reinforcing material on the inner bottom surface to increase the strength, and when the decorative member 5 hits another object. Even a material that is easily damaged by an impact or the like has an advantage that it can be prevented from being damaged at, for example, a construction site.

INDUSTRIAL APPLICABILITY The present invention is extremely useful and highly industrially applicable because even if the pitch between the plurality of decorative rib materials is narrow, the work of driving the fixture can be facilitated and the workability and workability can be improved.

A Decorative rib material B Norim V screw (fixture)
S Adhesive N Nail (fixture)
1 Core member 1a Bottom 1b Side wall 5 Decorative member 5a Front 5b Side

Claims (4)

A louver structure formed by constructing a decorative rib material on the base material of the ceiling or wall of a building.
The above decorative rib material is
A bottom portion that can be fixed to the base material and a side wall portion that extends parallel to each other from both ends in the width direction of the bottom portion are provided in a U-shaped cross section, and when the bottom portion is fixed to the base material, the bottom portion is on the opposite side of the base material. A core member made of wood that opens, and
The core member is provided with a decorative member having a U-shaped cross section that is open to the core member side and is externally fitted to the core member from the opening side of the core member so as to cover the core member.
The tip surface of the side wall portion of the core member is in contact with or close to the inner bottom surface of the decorative member.
The decorative member is fixed to at least the side wall of the core member by a fixing tool that diagonally penetrates from the side portion of the decorative member to the side wall portion of the core member toward the base material side, and the inner side surface thereof is the core. A louver structure characterized in that it is adhered to the outer surface of the side wall of the member. In claim 1,
A louver structure characterized in that the decorative member of the decorative rib material is made of a non-combustible material. In claim 1 or 2,
A louver structure characterized in that a reinforcing material is fixed to the inner bottom surface of the decorative member of the decorative rib material . A method of constructing a louver structure according to any one of claims 1 to 3.
Fix the core member of the decorative rib material on the base material at the bottom so that the opening side of the core member faces the opposite side to the base material.
After applying the adhesive to at least one of the outer surface of the side wall of the core member or the inner surface of the decorative member,
The decorative member is externally fitted to the core member from the opening side of the core member.
A louver structure characterized in that the decorative member is fixed to at least the side wall portion of the core member by a fixing tool that diagonally penetrates from the side portion of the decorative member to the side wall portion of the core member toward the base material side. Construction method.

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