JPH10140713A - External corner section structure of building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To renew a design by installing bed materials on the two side faces of a column disposed in upright at the external corner section of a building while external corner members are abutted against the bed materials of each side face one by one and continuously connecting the two external corner members in a W shape. SOLUTION: A square pipe column 21 is disposed in upright on the inside of an external corner section 20, and C-steel 22 as bed materials is fixed onto two side faces on the outside side of the square pipe column 21 along the vertical direction at every three. Cement external-wall boards 23 are mounted on the C-steel 22 by screws 24, and waterproof sheets 25 are stuck beforehand on the C-steel 22 on the rear sides of the external-wall boards 23. Narrow external corner members 26 are fixed onto two C-steel 22 fastened at the corner section 21a of the square pipe column 21 by screws 27 one by one, and narrow materials 29 are extended at each external corner member 26 and set up to the C-steel 22 by screws 30. A backup material 31 is fixed on the rear side of a reentrant angle section consisting of the two narrow materials 29, and a caulking cradle 33 receiving the end faces of the narrow materials 29 is formed integrally at the reentrant angle section of the backup material 31. Accordingly, workability can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corner structure of a building in which the structure of the corner of the building is improved mainly from the viewpoint of improving the design.

[0002]

2. Description of the Related Art In recent years, there has been a remarkable increase in demand for a cement-based outer wall panel having an excellent design of a surface pattern and an excellent workability as an outer wall panel of a house. As shown in FIG. 12, the outer corner of the outer wall constructed using this outer wall plate is the outer wall plate 1.
An L-shaped corner member 12 having the same pattern as that of 1 is used, and this corner member 12 is fixed to a pillar 14 via a base material 13 with a nail 15 or the like.

[0003]

With the diversification of consumer needs in recent years, the era of the exterior design of a building is demanding more and more novelty. Also, due to the unique situation of Japan, where the site area per house is small, there is a need for a building having a compact structure that eliminates unnecessary protrusions of the building. However, in the above-mentioned conventional corner structure, there is no novelty in the design of the corner and the design is extremely monotonous. In addition, on a narrow site, the protrusion at the corner may obstruct traffic.

[0004] The present invention has been made in view of such circumstances, and an object thereof is to provide a corner structure of a building capable of realizing both novel and compact design of the corner. Is to provide.

[0005]

In order to achieve the above-mentioned object, according to the first aspect of the present invention, a projecting corner structure is provided on two sides of a pillar erected at a projecting corner of a building in a vertical direction. By attaching an extended base material and attaching one protruding corner member to the base material on each side by one, two protruding corner members are connected in a W shape to form one protruding corner portion. It is.
In this configuration, since the protruding corner portion has a W-shaped structure, the protruding corner portion has a novel design as if it is cut in a V-cut shape, and the protruding portion of the protruding corner portion is less than in the conventional case.

[0006] In this case, the width of each protruding corner member may be adjusted by adding a small width member having the same pattern as that of the protruding corner member. In this way, the same corner member can be used for buildings having different thicknesses of the base material at the corner, and the common corner member can be used.

Further, a back-up material is provided on the back side of the corner formed at the joint portion of the two corner members, as well as holding and waterproofing the corner. preferable. In this way, it is easy to construct the joint (corner) of the two corner members, and even if rainwater leaks from the corner, the rainwater can enter the indoor side with a backup material. Can be prevented.

According to a fourth aspect of the present invention, a caulking pedestal for receiving an end face on the joining side of the two protruding corner members is provided at the inside corner of the backup material, and the caulking cradle and the two protruding corner members are provided. A caulking material may be filled in a gap formed by the end face on the joining side. In this way, the filling state of the caulking material in the gap between the joints (entrance corners) of the two outgoing corner members is stably maintained for a long time, and the waterproofing effect of the caulking material is enhanced.

According to a fifth aspect of the present invention, a protruding piece is provided at the inside corner of the backup material so as to be sandwiched between end surfaces on the joining side of the two protruding corner members. The joining portion of each corner member may be engaged and held by bending the joint piece right and left. If you do this,
The joint portion of each corner member can be held by a simple method of bending the engagement piece.

According to a sixth aspect of the present invention, a fitting groove extending parallel to a wall surface is formed in an end surface on the joining side of the two outgoing corner members, and the holding / waterproofing is formed in the inside corner of the backup material. A bifurcated rib may also be fitted into the fitting groove on the end face of each corner member. With this configuration, it is possible to hold and waterproof the joint portion of each corner member with extremely simple construction of fitting the forked rib and the fitting groove, and without filling the caulking material. The primary waterproof effect is obtained by the forked rib.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION

First Embodiment A first embodiment in which the present invention is applied to a steel structure building will be described below with reference to FIGS. As shown in FIG. 3, a square pipe column 21 is erected inside the protruding corner portion 20, and three C-shaped steels 22 as base materials are provided on two outdoor side surfaces of the square pipe column 21. It is addressed along the vertical direction and is fixed by welding or the like. A cement-based outer wall plate 23 constituting an outer wall surface is attached to these C-shaped steels 22 with screws 24. On the back side of the outer wall plate 23, a waterproof sheet 25 is
It is stuck on 2.

As shown in FIG. 1, two small C-shaped steel members 22 fixed to the corner portions 21a of the square pipe column 21 are each provided with a small width corner member 26, and a screw 27 is provided.
Is attached to each C-shaped steel 22. Each protruding corner member 26 is manufactured by cutting one end surface of each of two strip-shaped plate members having the same pattern as the outer wall plate 23 into a slope of about 45 °, and bonding both slopes with an adhesive. . A joint (joint) between each of the corner members 26 and the outer wall plate 23 is filled with a caulking material 28.

Each protruding corner member 26 is
By adding small width material 29 of the same pattern as
It is adjusted in accordance with the projecting dimension of the mold steel 22. Each narrow member 29 is attached to the C-shaped steel 22 by a screw 30.

As shown in FIG. 2, a back-up material 31, which is both for holding the corner and for waterproofing, is applied to the back side of the corner formed by the two small-width members 29. It is attached to the mold steel 22. This backup material 31 is formed in an L-shape by extrusion molding of a metal such as aluminum (see FIG. 4), and a caulking cradle 33 for receiving the end face of the small width material 29 is integrally formed at the corner of the backup material 31. The caulking material 34 is filled in a gap formed between the caulking support 33 and the end face of the small width material 29.

According to the protruding corner portion 20 configured as described above, the two fixed to the corner portion 21a of the square pipe column 21
Utilizing a V-shaped gap formed between two C-shaped steels 22, two small-width protruding corner members 26 are connected in a W
Since two corners 20 are formed, the corner 20
Has a novel design like a V-cut, and the design is improved. In addition, the protrusion of the protruding corner 20 becomes smaller than before, and a compact protruding corner structure suitable for the climate of Japan having many narrow sites is obtained.

Further, each corner member 26 is provided with a corresponding one of the corner members 26.
Since the width is adjusted by adding a small width member 29 having the same pattern as that described above, the same width dimension is used for a building where the dimensions of the C-shaped steel 22 (base material) of the corner portion 20 are different. The member 26 can be used, the corner member 26 can be shared, and there is an advantage that the manufacturing cost of the corner member 26 can be reduced accordingly.

However, the present invention does not use the small width material 29,
A configuration using only the protruding corner member 26 formed in accordance with the dimensions of the base material may be used. In this case, there is an advantage that the workability can be improved.

In the above embodiment, two small width members 2 are used.
The backing material 31 is disposed on the back side of the corner formed by the backing material 9, and the caulking material 34 is filled in the gap formed by the caulking support 33 of the backing material 31 and the end face of the narrow material 29. So two narrow pieces 29
The waterproof structure at the corner formed by the above is a double waterproof structure composed of the primary waterproofing by the caulking material 34 and the secondary waterproofing by the backup material 31, and the waterproof performance can be improved. In addition, the provision of the backup material 31 facilitates the construction of the corner formed by the two small width materials 29.

[Second Embodiment] Hereinafter, a second embodiment in which the present invention is applied to a wooden building will be described with reference to FIGS. As shown in FIG. 5, inside the protruding corner 50,
A pillar 41 made of wood is erected, and two outer edges 42 of the pillar 41 made of wood are addressed in the vertical direction to the two side surfaces on the outdoor side of the pillar 41. (Not shown). A cement-based outer wall plate 43 constituting an outer wall surface is attached to these body members 42 by nails 44. On the back side of the outer wall plate 43, a waterproof sheet 45 is attached to the body edge member 42 in advance.

2 fixed to the corner 41a of the pillar 41
Each of the two rim members 42 is provided with one small-width protruding corner member 46.
Each nail is attached to each of the rim members 42 by nails 47. Each corner member 46 is manufactured by cutting one end surface of each of two strip-shaped plate members having the same pattern as the outer wall plate 43 into a 45 ° slope, and bonding both slopes with an adhesive. . A joint (joint) between each of the corner members 46 and the outer wall plate 43 is filled with a caulking material 48.

In the second embodiment, unlike the first embodiment, the two corner members 46 are directly joined together without using a small width member to form a W-shaped corner portion 40. The facing end faces of the two corner members 46 are cut into slopes of about 45 °. A back-up material 49 for both holding and waterproofing the inside corner is addressed to the back side of the inside corner formed by the two outside corner members 46, and a nail member 42 is provided by a nail 50.
Attached to. The backup material 49 is formed in an L-shape by extrusion molding of a metal such as aluminum (see FIG. 7).
Are integrally formed, and a plurality of engaging pieces 52 are integrally formed at the tip of the protruding piece 51.

When the backup material 49 is manufactured, each engaging piece 52 is formed straight on the protruding piece 51 without being bent.
At the time of construction, the two projecting corner members 46 are addressed to the backup material 49, and the engaging pieces 52 are bent right and left in a state where the projecting pieces 51 are sandwiched between the end surfaces of the both projecting corner members 46, so that both projecting corners are formed. The joined portion of the member 46 is engaged and held. After this, the two corner members 4
6 is filled with a caulking material 53, and the engaging pieces 52 are embedded with the caulking material 53.

Also in the second embodiment described above, since the corner 40 has a W-shaped structure, the design of the corner 40 can be both novel and compact, and the backup material 49 can be realized. Thereby, waterproofness and workability can be improved.

[Third Embodiment] A third embodiment in which the present invention is applied to a steel structure building will be described below with reference to FIGS. The same parts as those in the first embodiment described above are denoted by the same reference numerals, and the description will be simplified. Square pipe column 21
A panel fixing plate 62 is fixed to a side surface of the panel with a bolt 63 via a spacer 61. The panel fixing plate 62 has C
The shape steel 64 is fixed by welding or the like, and the outer wall plate 23 and the inner wall plate 65 are attached to the outdoor side and the indoor side of the C-type steel 64. On the two outdoor side surfaces of the square pipe column 21, two C-shaped steels 22 serving as a base material are vertically addressed, and are fixed by welding or the like.

On the other hand, the backup material 66 is
W-shaped so as to cover the entirety,
Attached to. Then, as shown in FIG.
By attaching the two corner members 26 and the narrow members 29 and 67 added to both sides of each corner member 26 to the backup member 66 by means of screws 30, 68 or bonding or the like, W
A protruding corner portion 60 having a character-shaped structure is formed.

In the third embodiment, as shown in FIG. 10, a bifurcated rib 69 for holding and waterproofing is integrally formed at the corner of the backup material 66 so as to extend in parallel with the wall surface. Then, on the joining end face of the small width member 29,
The fitting groove 70 is formed so as to extend in parallel with the wall surface. At the time of construction, the forked rib 69 is engaged with the fitting groove 70 of the small width material 29.
, The holding of the joint portion of the small width member 29 and the waterproofing are simultaneously performed. In this structure, even if the caulking material is not filled in the joining portion of the small width member 29, the waterproof effect can be obtained by the forked rib 69, and the workability can be improved accordingly.

[Other Embodiments] In each of the above embodiments, the two corner members 26 and 46 are separately attached at the time of construction, but the two corner members are preliminarily bonded in a W shape and integrated. The thing may be produced in a factory.
When the present invention is applied to a wall surface having no uneven pattern, two protruding corner members may be integrally formed by extrusion. Further, the backup material is not limited to a metal extruded product, but may be a bent metal plate or a plastic molded product.

[0028]

As is apparent from the above description, according to the first embodiment of the present invention, since the W-shaped structure is used so as to reduce the useless space inside the second corner, the first corner is formed. The design of the corner can be novel, and the protrusion of the corner can be reduced, so that a compact corner structure suitable for the climate of Japan with many narrow sites can be achieved.

Further, in claim 2, the width is adjusted by adding a small width member of the same pattern to the corner member, so that the same corner member can be used in various buildings. Cost reduction can be expected by the common use of.

According to the third aspect of the present invention, since the back-up material is provided on the back side of the corner formed at the junction of the two corner members, both workability and waterproofness can be improved.

Further, since the caulking support is provided at the corner of the backup material, the waterproof effect of the caulking material can be stably maintained for a long period of time.

According to the fifth aspect of the present invention, the engaging pieces provided at the corners of the backup material are bent to the left and right to engage and hold the joining portions of the respective corner members. The joint portion of the corner member can be easily and reliably held.

According to a sixth aspect of the present invention, the joining portion of each of the corner members is formed by a very simple construction in which the forked rib provided at the corner of the backup material and the fitting groove on the end face of the corner member are fitted. Can be maintained and waterproofed, and filling with a caulking material is not required, and workability can be improved.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a protruding corner structure showing a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of a portion around a backup material.

FIG. 3 is a cross-sectional view around a corner of a building;

4A is a sectional view taken along line AA of FIG. 4B, and FIG. 4B is a front view of a backup material.

FIG. 5 is a cross-sectional view of a protruding corner structure showing a second embodiment of the present invention.

FIG. 6 is a cross-sectional view of a portion around a backup material.

7A is a cross-sectional view taken along line BB of FIG. 7B, and FIG. 7B is a front view of a backup material.

FIG. 8 is a cross-sectional view of a protruding corner structure showing a third embodiment of the present invention.

FIG. 9 is a cross-sectional view of a protruding corner portion showing a state before mounting the protruding corner member.

FIG. 10 is a cross-sectional view showing the structure of a main part of a protruding corner.

11A is a cross-sectional view taken along line CC of FIG. 11B, and FIG. 11B is a front view of a backup material.

FIG. 12 is a cross-sectional view of a conventional protruding corner structure.

[Explanation of symbols]

Reference numeral 20: protruding corner, 21: square pipe column (column), 22: C-shaped steel (base material), 23: outer wall plate, 25: waterproof sheet, 26:
Outer corner member, 28 ... Caulking material, 29 ... Small width material, 31 ...
Backup material, 33: Caulking receiver, 34: Caulking material, 40: Outer corner, 41: Column, 42: Body material (base material), 43: Outer wall plate, 45: Waterproof sheet, 46: Outer corner member, 48: Caulking material, 49: Backup material, 51
... projecting piece, 52 ... engaging piece, 53 ... caulking material, 60 ... corner part, 64 ... C-shaped steel, 65 ... inner wall plate, 66 ... backup material, 67 ... small width material, 69 ... bifurcated rib, 70 ... fitting groove.

Claims (6)

[Claims] 1. A base material extending vertically is attached to each of two outdoor side surfaces of a pillar erected at a protruding corner of a building, and one protruding corner member is addressed to the base material on each side surface. The two corner members are connected in a W-shape to form one corner. 2. The building according to claim 1, wherein the width of the two corner members is adjusted by adding small width members having the same pattern as the corner members. Corner structure. 3. A back-up material, which serves as both holding and waterproofing of the inside corner, is provided on the back side of the inside corner formed at the junction of the two outside corner members. Item 3. The protruding corner structure of the building according to item 1 or 2. 4. A caulking pedestal for receiving an end face on the joining side of the two protruding corner members is provided at a corner of the backup material, and a caulking pedestal on the joining side of the caulking cradle and the two protruding corner members is provided. The corner structure of a building according to claim 3, wherein a caulking material is filled in a gap formed by the end face. 5. A projecting piece which is sandwiched between end surfaces of the two corner members on the joining side is provided at a corner of the backup material, and a tip of the projecting piece is bent right and left. 4. The corner structure of a building according to claim 3, wherein an engaging piece for engaging and holding a joint portion of each corner member is formed. 6. A fitting groove extending parallel to a wall surface is formed on an end surface on the joining side of the two corner members, and an end surface of each corner member is fitted into a corner of the backup material. 4. The corner structure of a building according to claim 3, wherein a bifurcated rib for holding and waterproofing, which is fitted into the groove, is formed so as to extend in parallel with the wall surface.