JP4717613B2 - Interior / exterior structure of buildings - Google Patents

Description

  The present invention relates to an interior structure and an interior / exterior structure of a building in which a ceiling material, a heat insulating material, and the like can be easily attached and can be prevented from falling off.

2. Description of the Related Art Conventionally, a structure in which a ceiling material is placed on an upper surface of a structural material called a purlin has been generally adopted as a structure in which a heat insulating material, a decorative material, and the like are disposed on a ceiling of a building. As this structural material, shape steels such as H-shaped steel, C-shaped steel, and I-shaped steel are used, and there are a wide variety of steel material compositions, fixed dimensions, and the like according to purposes for various demand fields.
However, this structure is a method of arranging a ceiling material, a heat insulating material, etc. on a structural steel, which is a structural material, and requires many types of mounting members for arranging the ceiling material, etc. However, it took a lot of time and effort to increase the number of members.

Therefore, the applicant of the present application has proposed a structural material formed in various shapes in accordance with the purpose and specification using a material that can be bent in Patent Document 1, and a structure using the structural material.
In this structure, because the ceiling material and the heat insulating material are attached to the support portion (lower flange) of the structural material, no extra member is required, and a ceiling material or the like can be installed between the support portions of the adjacent structural materials, There is an advantage that an extra member is not required.
JP 2004-150269 A

  However, the ceiling material or the like used in Patent Document 1 is a so-called board shape in which the end surface is cut perpendicular to the flat surface portion, and the ceiling material or the like is placed on the support portion of the structural material. During the installation work, the corners of the ceiling material, etc. come into contact with the structural material, etc. Especially when a hard material such as a wood wool cement board is selected as the ceiling material, the corner material hits the ceiling material. It sometimes became a big problem such as breakage. If the size (dimension) of the ceiling material is set such that the corners do not come into contact with each other, there is a possibility that the ceiling material may fall off between the support portions of the structural material.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an interior structure of a building in which a ceiling material, a heat insulating material, and the like can be easily attached and can be prevented from falling off.

The present invention has been proposed in view of the above, and is formed by bending a thin metal material into a lightweight section steel having a C-shaped cross section having an inner flange at one end of the web and an outer flange at the other end. Assembling an outer flange that overlaps the outer flange of the lightweight section steel, a web that overlaps or faces the lightweight section steel web in the assembled state, and an inner flange that faces away from the inner flange of the lightweight section steel A structural material having an inner flange at one end of the web and an outer flange at the other end, and a bent piece provided at the tip of the inner flange is fixed to the outer side of the beam material, and the inner side of the adjacent structural material The interior material is attached so that the notched portion where the lower side edge is notched is engaged between the bent pieces of the flange, and the exterior material or the exterior material support member is fixed to the outside of the outer flange of the structural material. Characteristic building It is intended to propose the interior and exterior structure.

  In the interior structure and the interior / exterior structure of the building of the present invention, since the interior material is provided with a notch portion so as to engage between the inner flanges of adjacent structural materials, the corner portion of the interior material hits as in the past. The interior material can be easily attached. In addition, it can be prevented from falling off, and even if the interior material is shifted to the underwater side, the inner wall of the notched portion on the underwater side does not come into contact with the upper end of the water on the inner flange and can be attached stably. Become. In addition, since the inner flange is provided at one end of the web of the structural material and the outer flange is provided at the other end, the strength of the structural material itself is high, and the outer flange should be used as a mounting location for the exterior structure. Can do.

  Further, when the bent piece is provided at the tip of the inner flange of the structural material, the strength of the inner flange itself is high, and the support stability of the interior material attached thereto is also increased.

The interior structure of a building according to the present invention includes a structural material having an inner flange at one end of the web and an outer flange at the other end, and an interior material having a notch that engages between the inner flanges of the structural material.
For example, in the case of using a heat insulating material, a decorative material, etc. in a horizontal plane as an interior material and using it as a ceiling material, the above interior structure includes a structural material having a lower flange at the lower end of a vertical web, and the structural material. It becomes a ceiling structure which consists of a ceiling material which has a notch part engaged between lower flanges.
In addition, when the interior material is used as an inner wall material by arranging a heat insulating material, a decorative material, or the like as an interior material, the above interior structure includes a structural material having a front flange at the front end of the horizontal web, and the structural material. It becomes an inner wall structure which consists of an inner wall material which has a notch part engaged between these front flanges.
In addition, since the embodiment described later is a ceiling structure, the web is described as a vertical web, the inner flange is described as a lower flange, the outer flange is described as an upper flange, and the interior material is described as a ceiling material. May be.

  The structural material used in the present invention is a structural material constituting a housing instead of a purlin, and is not particularly limited as long as it has a lower flange at the lower end of the vertical web and an upper flange at the upper end, For example, it may be a single member formed by bending (bending) a thin metal material (hereinafter referred to as a processed member) or a combination of two or more processed members. Thus, it is desirable to use a structural material composed of a lightweight section steel having flanges at the upper and lower ends of the vertical web and a processed member assembled to the section steel. When the light-weight shaped steel in this desirable structural material is the first member and the processed member is the second member, an upper flange that overlaps with the upper flange of the first member at least in the assembled state, and a vertical web of the first member in the assembled state It becomes the structure provided with the superposition | polymerization or the vertical web which opposes, and the lower flange which faces a lower flange of a 1st member in the opposite direction.

Needless to say, the light-weight shaped steel that constitutes the above-mentioned desirable structural material has many steel material compositions, fixed dimensions, etc. depending on the purpose of various demand fields such as H-shape, C-shape, and I-shape. Although there are various types, as the lightweight section steel constituting the structural material used in the present invention, a section steel having a U-shaped or C-shaped cross section is used, and the strength characteristics are extremely high.
In addition, the processed member constituting the desired structural material may be a single member or a combination of a plurality of members, and is not high in strength characteristics as compared with the lightweight steel, but is excellent in formability (for example, a thin metal plate). ). An upper flange that overlaps with the upper flange of the lightweight section steel at least in the assembled state, a vertical web that overlaps or faces the longitudinal web of the section steel in the assembled state, and a direction opposite to the lower flange of the section steel at the lower end of the longitudinal web And a lower flange facing the front side.

  In the above-mentioned desirable structural material, it is desirable to provide an attachment portion that is locked to the tip of the upper flange of the shape steel on the upper flange of the processed member, and the attachment portion engages with the upper flange of the shape steel. Any shape can be used as long as it can be attached (including fitting), and the shape is not particularly limited.

  As described above, the interior material used in the present invention is used as a ceiling material by arranging various heat insulating materials, decorative materials, etc. as a lateral surface, and as an inner wall material by arranging it as a vertical surface. If it is used on the assumption that it is used as a ceiling material, it is a configuration in which a cutout portion in which a lower side end is cut out is provided. The ceiling material is not limited to a heat insulating material or a decorative material, and may be a functional material having, for example, a negative ion generation function or a sound absorption function.

  This notch portion of the ceiling material is provided so that the ceiling material engages between the lower flanges of adjacent structural materials, and the distance between the lower flanges of the adjacent structural materials (= from tip to tip) It is necessary to process so that the lower surface of the ceiling material (= dimension of the lower surface shortened by the notch) is slightly shorter than

A structural member 1X shown in FIG. 1 includes a first member 2 that is a C-shaped steel (lightweight shaped steel having a C-shaped cross section) having flanges (upper flange 22 and lower flange 23) at upper and lower ends of a vertical web 21; It is the structure which consists of the 2nd member 3x assembled | attached to it.
In the following description of the embodiments, the portion of the second member 3x is the vertical web portion 31, the upper flange portion 32x, and the lower flange portion with respect to the notation of the vertical web 21, the upper flange 22 and the lower flange 23 of the first member 2. It distinguishes with 33.

  The first member 2 constituting the structural material 1X is a C-shaped steel as described above, and is generally called a grooved C-shaped steel (section steel), and the vertical web 21 is vertical. The upper flange 22 and the lower flange 23 both extending rightward in the drawing are horizontal. A vertical downward piece 221 is provided at the tip of the upper flange 22, and a vertical upward piece 231 is provided at the tip of the lower flange 23. The first member 2 has extremely high strength characteristics.

Further, the second member 3x constituting the structural material 1X is a single member, and is formed from a metal plate having a thickness of about 0.8 to 1.6 mm that can be formed by a forming machine such as roll forming or bender. Become. Further, the second member 3x is formed at the upper end of the vertical vertical web portion 31 that overlaps with the vertical web 21 of the first member 2 in the assembled state, and on the upper flange 22 that overlaps the upper flange 22 of the first member 2 in the assembled state. A portion 32x is provided, and a lower flange portion 33 is provided at the lower end of the vertical web portion 31 so as to face the lower flange 23 in the first member 2 (extend to the left in the drawing).
Further, a vertical upward piece 331 is provided at the tip of the lower flange portion 33.

  When the second member 3x is assembled to the first member 2, the upper flange portion 32x is superposed on the upper flange 22, and the vertical web portion 31 is assembled to the vertical web 21 so as to be joined (contacting surface). A structural material 1X was obtained.

  The structural material 1X having such a configuration has a shape configuration that satisfies the various required characteristics such as workability and specifications, and the strength characteristics required as the structural material can be borne by the first member 2 that is a shape steel. It can be given to the second member 3x.

  As shown in FIG. 2, the ceiling material 5X attached to the lower flange of the structural material 1X has a configuration in which a cutout portion 54 is formed by cutting out about half of the thickness at the lower side end, and has an internal function of generating negative ions. Building materials and wood cement boards are used.

  The ceiling material 5X is disposed between the adjacent structural materials 1X and 1X, and is installed in a state of being engaged between the lower flange 23 (upward piece 231) and the lower flange portion 33 (upward piece 331). In this engaged state, the upper ends of the upper pieces 231 and 331 of the lower flanges 23 and 33 are disposed so as to abut on the upper surface of the notch portion 54 of the ceiling material 5X. Even if the ceiling material 5X is displaced to the lower side, the inner wall of the notch 54 on the lower side does not come into contact with the upper end of the water of the lower flange 23 (upward piece 231) and is prevented from falling off. I can plan.

  In addition, the embodiment shown in FIG. 2 is an embodiment of an interior structure (ceiling structure) using the structural material 1X and the ceiling material 5X having the above-described configuration, and further, an exterior material 9 which is a horizontal exterior material is used as the holding member 7A. This is also an embodiment of the interior / exterior structure.

The exterior material 9 used for this horizontal exterior structure has a configuration in which a water-side molding portion 92 and a water-side molding portion 93 that can be engaged with each other on the water surface / water side of the face plate portion 91 are provided.
The water-side molded portion 93 bends the water-side edge of the face plate portion 91 in a stepped shape (stepped portion) on the surface side, and extends (extends a piece) to the water-side. Part) is bent upward, and a held part is provided with its upper end bent back to the water side, and its lower end is bent up (guide piece) so as to spring upward. In the middle of the extended piece, a locking part having a downward step shape was provided.
The underwater molding portion 92 bends the underwater edge of the face plate portion 91 to the back surface side, extends the lower end to the upper water side (extending piece), and lowers the tip (engagement portion) downward. It is the structure which has the bending piece bent to the side. In the middle of the extended piece, a stepped portion was provided.

  The exterior material 9 having such a structure is not particularly limited, but typically is a surface-coated steel sheet having a thickness of about 0.4 to 1.6 mm, a laminated steel sheet, a plated steel sheet, a stainless steel sheet, and an aluminum alloy. A known metal material such as a plate, a titanium alloy plate, or a copper plate is formed into a predetermined shape by roll forming or other means. In addition, it can shape | mold to the same shape also with a hard resin board, a carbon fiber laminated board, etc., can also construct with them all, and can also construct in combination with the said metal raw material thing. Further, a backing material such as polyethylene foam or glass wool sheet may be attached to the back surface of the exterior material 9 as necessary for reasons of preventing condensation, soundproofing, and fireproofing. In the illustrated embodiment, the backing material is indicated by reference numeral 90 with a dotted line. Reference numeral 94 denotes a backup material.

In addition, the holding member 7A that holds the exterior material 9 is a member that is generally referred to as a hanging member, and a holding portion that holds the water-side molded portion 93 of the exterior material 9 and a first fixing portion that is an insertion piece. And a second fixing portion which is a fixing piece. The first fixing portion is inserted into the insertion slit of the support member 7B, and the second fixing portion is fixed to the upper surface portion of the support member 7B.
The support member 7B is a member generally referred to as a rafter, and has a raised portion 72 in which the back surface of the water-side molded portion 93 (extended piece and locking portion) of the exterior material 9 abuts or approaches, and is described above. It is the structure which has this insertion slit.

  In the illustrated embodiment, the structural material 1X is fixed on a beam member 4 assembled with a large shape steel disposed along the inclination of the roof surface, and the structural material 1X is orthogonal to the inclination of the roof surface. As described above, the upper flange 22 and the upper flange portion 32x are arranged and fixed so as to face the ridge side. The structural member 1X is fixed to the beam member 4 using an angle member 10 '.

  The ceiling material 5X is disposed between the adjacent structural materials 1X and 1X. More specifically, as described above, the ceiling material 5X is engaged between the lower flange 23 and the lower flange portion 33 of the adjacent structural materials 1X and 1X. It was built to match.

A heat insulating material 5Y was disposed on the ceiling material 5X. The heat insulating material 5Y is made of a water-impermeable material, and has a structure including a superposed portion 52 and a polymerized portion 53 at the end of a flat portion 51 having a substantially constant thickness, and is made of a non-permeable single member. It is desirable in terms of recyclability, and a known water-impermeable material mainly made of a foamed (closed foam) resin such as relatively hard foamed polystyrene or foamed polyurethane can be used. The superposed part 52 and the polymerized part 53 were formed by cutting out the lower half and the upper half of the thickness.
And the to-be-polymerized part 53 of the heat insulating material 5Y is located on the eaves side of the structural material 1X, and the superposed part 52 of the heat insulating material 5X adjacent to the ridge side exceeds the upper flange 22 and the upper flange part 32x of the structural material 1X. It arrange | positioned so that it might be located above the to-be-polymerized part 53. FIG.

  Thereafter, a support member 7B generally called a rafter is placed on the heat insulating layer (heat insulating material 5Y) and attached to the upper flanges 22 and 32 of the structural material 1X by the mounting member 7C having a shape straddling it. Then, the outer covering material 9 was attached by the holding member 7A having the above-described configuration.

  The laterally-covered exterior structure constructed in this way is configured such that the back surface of the water-side molded portion 93 (extended piece and locking portion) of the exterior material 9 abuts or approaches the raised portion 72 of the support member 7B. The raised portion 72 has a structure in which no gap is formed between the water-side molded portion 93 and the support member 7B. Therefore, even if a negative pressure load such as blowing by strong wind such as a typhoon acts, the water-side molded part 93 does not rotate, and the water-side molded part 93 does not come off from the holding member 7A. A thatched exterior structure can be obtained.

In the interior structure and the interior / exterior structure shown in FIG. 3, a mounting portion 34y is provided on the upper flange portion 32y of the second member 3y constituting the structural material 1Y, and the distal end of the upper flange 22 of the first member 2 is formed by the mounting portion 34y. 2 is the same as the interior structure and the interior / exterior structure shown in FIG.
Since the structural member 1Y has a configuration having the attachment portion 34y, the temporary fixing stability is improved without using a fixing tool such as a screw, and the subsequent fixing of the screw or the like is facilitated.

The structural materials 1A to 1D in the four types of interior structures shown in FIG. 4 are a combination of a shape steel (first member) and a processed member (second member) in substantially the same manner as the structural materials 1X and 1Y. The C-shaped steel (first member) 2c in the structural materials 1C and 1D has a higher vertical width (the vertical web is higher) than the C-shaped steel (first member) 2a in 1A and 1B. In addition, the second members 3b and 3d in the structural materials 1B and 1D are provided with mounting portions 34b and 34d in a shape in which the lower ends of the inclined pieces facing inward and downward are raised, so the second members 3A and 1C in the structural materials 1A and 1C are provided. It is firmly attached as compared with the members 3a and 3c, and does not move laterally.
The ceiling material 5A and the heat insulating material 5B in the figure are as described above, but the heat insulating material 5C attached to the upper flanges 22 and 32 is a base of an unillustrated exterior structure (a member that also serves as a support member for the exterior material) )

  The structural materials 1A to 1D having such a configuration can bear the strength characteristics required as a structural material in the same manner as the structural materials 1X and 1Y by the first members 2a and 2c made of C-shaped steel. A shape configuration that satisfies various required characteristics such as properties and specifications can be imparted to the second members 3a to 3d. Further, since the structural members 1B and 1D are configured to have the attachment portions 34b and 34d similarly to the structural member 1Y, the temporary fixing stability is increased without using a fixing tool such as a screw. Etc. can be easily fixed.

(A) The perspective view which shows an example of the assembly | attachment state of the structural material used for this invention, (b) It is an expanded sectional side view of a structural material. (A) The expanded side sectional view which shows the principal part of one Example of the interior structure (interior / exterior structure) using the structural material of FIG. 1, (b) It is a side sectional view which shows the whole. It is an expanded sectional side view which shows the principal part of one Example of the other interior structure (interior / exterior structure) of this invention. (A) Side view showing one embodiment of another interior structure of the present invention, (b) Side view showing another embodiment, (c) Side view showing another embodiment, (d) Other It is a side view which shows one Example.

Explanation of symbols

1X, 1Y, 1A, 1B, 1C, 1D Structural material 2, 2a, 2b First member 21 Vertical web (web)
22 Upper flange (outer flange)
23 Lower flange (inner flange)
3x, 3y, 3a, 3c Second member 31 Vertical web portion 32x, 32y, 32a, 32b, 32c Upper flange portion 33 Lower flange portion 32y, 34a, 34b, 34c Mounting portion 4 Beam material 5X Ceiling material (interior material)
5Y Thermal insulation material 5A Ceiling material (interior material)
5B Heat insulating material 5C Heat insulating material 6 Flowing water member 7A Holding member 7B Support member 7C Mounting member 8A (Vertical rolling) Exterior material 8B Cover material 9 (Landing) Exterior material

Claims (1)

An outer flange that has an inner flange at one end of the web and an outer flange at the other end, and is formed by bending a thin metal material into a lightweight section steel with a C-shaped cross-section and superposing it on the outer flange of the lightweight section steel And a work piece comprising a web that overlaps or opposes the lightweight section steel web in the assembled state, and an inner flange facing away from the inner flange of the lightweight section steel, and is bent at the tip of each inner flange. The structural material provided with is fixed to the outside of the beam material, and the interior material is attached so that the notched part where the lower side edge is notched engages between the bent pieces of the inner flange of the adjacent structural material. An interior / exterior structure of a building, wherein an exterior material or a support member for exterior material is fixed to the outside of an outer flange of the material.

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