JP4044694B2 - Unit building - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a unit building fitted with a balcony.
[0002]
[Prior art]
Conventionally, as a balcony mounting structure, Japanese Patent Publication No. 8-6372 discloses a structure in which a balcony is mounted on a folded plate having a mounting structure that does not use bolts.
[0003]
In addition, as a folding plate mounting structure, for example, in Japanese Patent Publication No. 6-94706, a ceiling base beam of a building unit is fixed to a long base fixed at a predetermined interval, and the folding plate is attached to the mounting bracket. The one with attached is described.
[0004]
[Problems to be solved by the invention]
Recently, many unit buildings have large balconies that span multiple building units. In such a case, since the force applied to the balcony due to wind and earthquake increases, it is necessary to increase the mounting strength of the balcony.
In the case of the balcony mounting structure in the above Japanese Patent Publication No. 8-6372, the mounting structure of the folded plate and the balcony is disclosed, but there is no description about the mounting structure of the folded plate to the building structure. There was no description of the mounting structure and strength of the building structure.
In the folded plate mounting structure disclosed in Japanese Patent Publication No. 6-94706, when a building unit is connected, a mounting tool is mounted on one of the adjacent ceiling beams. When attaching a large balcony across the building unit to this folded plate, there is a problem that the mounting strength of the folded plate is insufficient.
[0005]
The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a unit building to which a large balcony extending over a plurality of building units is attached with sufficient and sufficient strength.
[0006]
[Means for Solving the Problems]
The invention of claim 1, wherein in order to achieve the above object, a plurality of building units provided with ceiling beams a unit building composed adjacent arrangement, wherein the unit building provided with crests at predetermined intervals folded plate A building unit having a balcony attached to the ceiling beam, and two or more building units to which the balcony is attached are connected in the direction of the water gradient of the folded plate. Folded plate fixtures are fixed to the upper surfaces of all the ceiling beams orthogonal to the direction at the same interval as the crests of the folded plates, and the folded plates are attached to those fixtures, and the fixtures are Fixed to a long base, the base has a Z-shaped section in the longitudinal direction and a U-shaped one that opens upward, and the base of the fixture to be attached to the adjacent ceiling beam Have different cross-sectional shapes A unit building, characterized in that there.
[0008]
According to a second aspect of the present invention, the folded plate according to the first aspect of the present invention is configured such that the folded plate has a bulging portion projecting in an arc shape to the left and right at the top of the mountain portion and a hollow portion constricted inwardly below the bulging portion And the fixture has a locking portion protruding left and right at the upper end, and the folded plate is adapted to fit into the locking portion at the bulging portion. It is.
[0009]
The building unit according to the present invention is a steel-based building unit having a box-shaped steel frame structure in which the upper and lower ends of the steel pillars at the four corners are each rigidly connected by a ceiling beam and a floor beam made of shape steel. Strong and effective against wind and earthquake.
[0010]
In the present invention, the folding plate may be attached by providing a hole at the top of the crest of the folded plate, providing a bolt at the top of the fixture, passing the bolt through the hole in the folded plate, and fixing with a nut. It is preferable that the folded plate is fitted as in claim 2 without providing a hole from the viewpoint that there is no fear of rain leakage and the rust prevention performance does not deteriorate.
[0011]
[Action]
In the unit building according to the first aspect of the present invention, two or more building units to which the balcony is attached are connected in the direction of the water gradient of the folded plate, and all the ceiling beams orthogonal to the direction of the water gradient are connected. Folded plate fixtures are fixed on the upper surface at the same intervals as the crests of the folded plates, and the folded plates are attached to these fixtures. Therefore, since the folded plate can be firmly fixed by the fixtures of the adjacent ceiling beams at the adjacent portion of the building unit, the balcony extending over the connected building units can be attached with sufficient strength.
[0012]
Moreover, the fixture is fixed to the long base. Accordingly, since the fixture can be fixed to the base in advance at a factory or the like, the interval and street between the fixtures can be accurately manufactured. As a result, the number of steps for attaching the fixture to the upper surface of the ceiling beam can be reduced, and the accuracy can be improved. In addition, there are bases having a Z-shaped section in the longitudinal direction and U-shaped ones opening upward, and the bases of the fixtures attached to adjacent ceiling beams have different cross-sectional shapes. Accordingly, since the base having a Z-shaped cross section can be installed with the side piece bent downward aligned with the outer surface of the ceiling beam, the fixture can be accurately fixed to the upper surface of the ceiling beam. Further, the U-shaped base opened upward can be installed without interfering with the side piece bent upward with the side piece of the Z-shaped base.
[0013]
In the unit building of the invention according to claim 2 , the folded plate has a bulging portion projecting in an arc shape to the left and right at the top of the mountain portion, and a hollow portion constricted inwardly under the bulging portion. The fixture has a locking portion projecting left and right at the upper end, and the folded plate is fitted to the locking portion at the bulging portion. Therefore, the folded plate and the balcony can be attached without using the bolt that penetrates the folded plate. That is, there is no worry about the leakage of the folded plate under the balcony, which is difficult to maintain, and the rust prevention performance is not deteriorated.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described based on examples with reference to the drawings.
FIG. 1 is a plan view of a unit building according to the present invention, FIG. 2 is a II-II sectional view showing a balcony mounting structure of the unit building of FIG. 1, and FIG. 3 is a III-III sectional view of FIG. 4 is a perspective view showing a fixture fixed to a Z-shaped base used in the unit building of the present invention, and FIG. 5 is a U-shaped cross-section opened upward in the building unit of the present invention. It is a perspective view which shows the fixture fixed to the base of this.
[0015]
In FIG. 1, the uppermost floor of the unit building U is composed of building units U <b> 1 to U <b> 5, and the upper surface thereof is a balcony 4 and is surrounded by a handrail 43. That is, the balcony 4 is a roof balcony used for a roof garden or the like on the roof of the building. A penthouse unit U6 is provided on the building unit U2 for entering and exiting the balcony 4.
[0016]
In FIG. 2, in the building units U1 and U2 provided with the ceiling beams 1 and 1, respectively, the balcony 4 is fixed to the ceiling beams 1, 1, 1, 1 via the folded plates 2 provided with mountain portions at predetermined intervals. It is attached at 5, 5,. Six or more fixtures 5 are attached to one building unit. The building units U1 and U2 are connected in the direction of the water gradient of the folded plate 2, and the fixtures 3 of the folded plate 2 are provided on the upper surfaces of all the ceiling beams 1, 1, 1, 1 orthogonal to the direction of the water gradient. 3,... Are fixed at the same intervals as the crests of the folded plate 2, and the folded plate 2 is fitted to the fixtures 3. On the balcony 4, a floor material 42 is fixed to a floor frame 41 corresponding to the building units U1 and U2, and a handrail 43 is erected. The floor frame 41 is pre-assembled at the factory and placed and fixed on the building units U1 and U2. Further, a connecting floor material 42 a is fixed between the floor frames 41, 41.
By assembling the floor frame 41 in advance at the factory, the accuracy of the floor frame 41 can be improved and the number of on-site construction man-hours can be reduced.
[0017]
Details of attachment of the balcony 4 will be described with reference to FIG. First, details of the attachment of the folded plate 2 to the ceiling beam 1 are as follows. A fixture (see FIG. 4) in which the legs 32 of the fixture 3 are fixed to the long base 34a at the same intervals as the crests of the folded plate 2 is mounted on the ceiling beam 1. The crest portion of the folded plate 2 has a bulging portion 21 projecting in an arc shape on the left and right of the top portion, and a hollow portion 22 constricted inwardly below the bulging portion. The fixture 3 has a locking portion 31 protruding left and right at the upper end of the leg portion 32, and the folded plate 2 is elastically fitted to the locking portion 31 at the bulging portion 21.
[0018]
Next, details of attachment of the balcony 4 to the folded plate 2 are as follows. A fixing metal fitting 5 is placed on the two ridges of the folded plate 2. The fixing bracket 5 has a fixing plate 52 erected on a plate member 51 having a two-layer structure, and spring pieces 55 and 55 are provided at positions inside the crests of the folded plate 2 of the plate member 51. Both side edges of the plate member 51 are bent portions bent downward, and fastening plates 53 and 53 are screwed to the bent portions with bolts 54. The frame material 41a of the balcony 4 is fixed to the fixed plate 52 with bolts 54a and 54a. Here, the frame material 41a is provided with screw holes for bolts 54a so that the bolts 54a can be screwed together. The folded portion of the spring piece 55 is brought into contact with the recessed portion 22 inside the peak portion of the folded plate 2 by spring elasticity, and the folded portion of the fastening plate 53 is placed on the recessed portion 22 on the outer side of the folded portion of the folded plate 2. The balcony 4 is attached to the folded plate 2 by being brought into contact with the tip.
In this way, since the bar Le Coney 4 is attached to all the ceiling beam 1,1,1,1 via folded plate 2 can be what strength required sufficient.
[0019]
4 and 5, the fixture and the long base will be described. In FIG. 4, the fixture 3 has a leg portion 32 standing from a fixing portion 33, and a locking portion 31 is provided on the top of the leg portion 32. The long base 34a has a Z-shaped cross section, and is provided with holes 35, 35,... For attaching to the ceiling beam 1 with screws. The fixture 3 is fixed to the long base 34a by welding the fixing portion 33 at the same interval as the crests of the folded plate 2.
Further, in FIG. 5, the fixture 3 is fixed to a long base 34 b that is open in the upper side in the same manner as in FIG. 4.
[0020]
As described above, by making the cross section of the long base Z-shaped or U-shaped, the bending strength can be increased even if the material thickness of the base is reduced. That is, weight reduction can be achieved and workability can be improved. Material costs can be reduced.
[0021]
As shown in FIG. 2, the bases 34a and 34b of the fixture 3 attached to the adjacent ceiling beams 1 and 1 have different cross-sectional shapes. The base 34a having a Z-shaped cross section is installed with the side piece bent downward aligned with the outer surface of the ceiling beam 1, so that the fixture 3 can be accurately fixed to the upper surface of the ceiling beam 1. The U-shaped base 34b opened upward can be installed without interfering with the side piece bent upward with the side piece of the Z-shaped base 34a.
[0022]
Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration of the present invention is not limited to these embodiments, and the present invention can be changed even if there is a design change or the like without departing from the gist of the present invention. include.
[0023]
For example, the fixing bracket may be attached to one ridge of the folded plate with the fixing bracket 5 being halved, or attached to three or more ridges by increasing the width of the plate member 51 of the fixture 5. May be.
Moreover, the entrance / exit of the balcony 4 may use the normal building unit which incorporated the staircase, without using the penthouse U6.
[0024]
【The invention's effect】
In the unit building according to the first aspect of the present invention, the folding plate fixtures are fixed to the upper surfaces of all the ceiling beams orthogonal to the direction of the water gradient at the same intervals as the mountain portions of the folded plates, and their mounting The folded plate is attached to the tool. Therefore, the folded plate can be firmly fixed by the fixtures of the adjacent ceiling beams at the adjacent portion of the building unit. That is, a wide balcony can be fixed to the ceiling beam of the building unit with the necessary and sufficient strength through the folded plate.
[0025]
In addition, Mounting tool that are fixed to the base of the long. Therefore, since the fixture can be fixed to the base in advance by using a tool at a factory or the like, the interval and street between the fixtures can be accurately manufactured. As a result, the number of steps for attaching the fixture to the upper surface of the ceiling beam can be reduced, and the accuracy can be improved. In addition, since the base having a Z-shaped cross section can be installed with the side piece folded downward on the outer surface of the ceiling beam, the fixture can be accurately fixed to the upper surface of the ceiling beam. Further, the U-shaped base opened upward can be installed without interfering with the side piece bent upward with the side piece of the Z-shaped base. That is, since the fixture can be accurately and well fitted, the reliability of the balcony installation can be improved.
[0026]
Furthermore , in the unit building according to the second aspect of the present invention, the folded plate is fitted to the engaging portion of the fixture at the bulged portion of the mountain portion. Therefore, the folded plate and the balcony can be attached without using the bolt that penetrates the folded plate. That is, it is possible to improve the reliability of the leakage of the folded plate under the balcony, which is difficult to maintain, without deteriorating the rust prevention performance, and to extend the period until maintenance after completion.
[Brief description of the drawings]
FIG. 1 is a plan view of a unit building according to the present invention.
2 is a cross-sectional view taken along the line II-II showing a structure for attaching a balcony of the unit building shown in FIG.
3 is a cross-sectional view taken along line III-III in FIG.
FIG. 4 is a perspective view showing a fixture fixed to a Z-shaped base used in a unit building of the present invention.
FIG. 5 is a perspective view showing a fixture fixed to a base having a U-shaped cross section that is open upward and used in the building unit of the present invention.
[Explanation of symbols]
U unit building U1, U2, U3, U4, U5, U6 building unit 1 ceiling beam 2 folding plate 21 bulging part 22 hollow part 3 fixture 31 locking part 34a, 34b base 4 balcony

Claims (2)

A unit building in which a plurality of building units provided with ceiling beams are arranged adjacent to each other, and the unit building includes a building unit in which a balcony is attached to the ceiling beam via a folded plate provided with mountain portions at a predetermined interval. And two or more building units to which the balcony is attached are connected in the direction of the water gradient of the folded plate, and the folding plate is formed on the upper surface of all the ceiling beams orthogonal to the direction of the water gradient. The fixtures are fixed at the same intervals as the ridges of the folded plates, and the folded plates are attached to those fixtures ,
The fixture is fixed to a long base, and the base has a Z-shaped section in the longitudinal direction and a U-shape opened upward, and is attached to an adjacent ceiling beam. A unit building characterized in that the base of the fixture has a different cross-sectional shape . The folded plate has a bulging portion projecting in an arc shape to the left and right at the top of the mountain portion, and a hollow portion constricted inward below the bulging portion, and the fixture protrudes left and right at the upper end. It has an engagement portion, the unit building according to claim 1, wherein the folding plate is characterized in that it is adapted to fit with the locking portion in the bulging portion.

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