JP2693826B2 - Unit building - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a connecting structure of a unit building, particularly a room unit and a balcony unit.

(Prior Art) In recent years, a unit building has become widespread as a method for improving the production efficiency of buildings. This unit building is a building in which one building is divided into several units in advance for improved production, and these are constructed and assembled at a construction site. As a unit that composes a unit building,
There are room units that make up each room such as the living room, dining room, and bedroom of a building, and balcony units that make up a balcony.

Then, as a unit building which is composed of room units and has a balcony, for example, one described in JP-A-55-159042 is known. In this unit building, room units are stacked in two upper and lower layers, an upper floor room unit is set back from the lower floor room unit, and a balcony is provided in the set back portion.

By the way, in such a unit building, the balcony is generally connected to the ceiling beams of the lower-floor room unit arranged on the lower side of the setback inner part and the setback front part by bolting or the like.

(Problems to be solved by the invention) Therefore, in such a conventional unit building,
The ceiling beam of the lower-floor room unit arranged on the lower side of the balcony is provided with connecting holes such as bolt holes on both sides of the back of the setback and the front of the setback. That is, in order to increase the connection strength between the balcony and the room unit, it is necessary to make a plurality of bolt holes in the ceiling beam of the lower-floor room unit, but the rigidity of the ceiling beam decreases accordingly, so the lower room unit There was a problem that the overall strength was impaired.

Then, an object of the present invention is to provide a unit building in which the balcony unit and the room unit are connected without impairing the strength of the room unit, focusing on the above conventional problems.

(Means for Solving the Problems) The present invention has been made for the purpose of solving the above problems, and in order to achieve this object, a unit building of the present invention has room units stacked vertically. The
In a unit building in which the upper-floor room unit is set back from the lower-floor room unit, and the balcony unit is provided in the set-back section formed in front of the upper-floor room unit, the balcony unit is It consists of a floor structure framed by girders, and a bracket base plate is attached to the pillar of the room unit on the upper floor of the back of the setback.The bracket sub plate is fixed to this base plate at a right angle, and the balcony is attached to the sub plate. The floor structure of the balcony unit is connected to the pillar of the room unit on the upper floor at the back of the setback by attaching the end of the girder of the floor structure of the unit.

(Operation) In the unit building of the present invention, since the floor structure of the balcony unit is connected to the pillar of the room unit on the upper floor at the back of the setback, the ceiling beams of the room unit on the lower floor at the back of the setback. There is no need to drill a connecting hole in. In addition, since the pillars have a high strength secured in advance, the effect of opening the connecting hole on the strength of the room unit on the upper floor is extremely small.

In the present invention, the base plate of the bracket is attached to the pillar of the room unit on the upper floor of the back of the setback, the sub-plate of the bracket is fixed to the base plate at a right angle, and the sub-plate has a floor structure of the balcony unit. Since the floor structure of the balcony unit is connected to the pillar of the room unit on the upper floor at the back of the setback by attaching the end of the girder, the floor structure of the balcony unit on the upper floor of the back of the setback is connected. When attaching to the pillar of the room unit, align the end of the girder of the floor structure of the balcony unit with the sub-plate to facilitate positioning of the floor structure of the balcony unit to the pillar of the room unit, and to firmly attach it. You can

(Example) Hereinafter, an example of the present invention will be described in detail with reference to the drawings.

First, the configuration of the embodiment will be described with reference to FIGS.

FIG. 1 is a plan view showing a two-story unit building, where 1 is a lower floor room unit, 2 is an upper floor room unit, and 3a, 3b, 3c are balcony units. The lower-floor room unit 1 is formed to have a girder width wider than that of the upper-floor room unit 2,
A setback portion is formed in front of the upper floor room unit 2. The balcony units 3a, 3b, 3c are provided in the setback portion, and the balcony units 3a, 3b
The floors b and 3c are formed so as to project forward from the outer wall of the lower floor room unit 1.

FIG. 2 is a cross-sectional view showing a connection structure of the lower floor room unit 1 and the upper floor room unit 2 and the balcony unit 3b. The balcony unit 3b is connected to the pillar 21 of the upper floor room unit 2 at the back of the setback. It is connected to the ceiling beams 12 of the lower floor room unit 1 at the front of the setback.
Incidentally, 10 is an outer wall material of the lower floor room unit 1, 20 is an outer wall material of the upper floor room unit 2, and 30 is a floor material of the balcony unit 3b.

FIGS. 3 and 4 are views showing a frame (floor structure) of the balcony unit 3a, and this frame has girders 31a, 31a, 31a, 31.
b, 31b, connection plate 32, 32, beam 33a, 33a, 33a, 33b, 33b, 3
3b, 33b, 33b, beam receiving pieces 34, 34, 34 ... 34, beam receiving plates 35, 35, 35, 35, 35, eaves receiving plates 36a, 36a, 36a, 36
a, 36b, 36b, 36b, 36b, pillar fixing piece 37a, 37b, 37b, 37b, 37
a, spacers 38, 38 and the like.

The cross-section U-shaped steel is used for the girders 31a, 31a, 31a, 31b, 31b. Among them, the girders 31a, 31a, 31a are arranged side by side in the width direction of the balcony, and the girders 31b, 31b are They are arranged side by side in the depth direction. In addition, the length of the girders 31a, 31a, 31a arranged side by side in the width direction of the balcony is almost equal to the wife width of the upper-floor room unit 2 and the lower-floor room unit 1. The distance from the center girder 31a is substantially equal to the depth width of the setback portion.
Also, girders 31b, 31b provided in the depth direction of the balcony
Has one end fixed to the end of the rear girder 31a and the other end fixed to the end of the center girder 31a via the joint plate 32. Furthermore, three connecting holes 311 are formed in the upper, middle, and lower portions on the side surface of the rear ends of the girders 31b, 31b.

The girders 33a, 33a, 33a are the girders 31a on the back side and the center girder 31a provided in the width direction of the balcony via the girder receiving piece 34.
The girders 33b, 33b, 33b, 33b are installed between the center girder 31a and the front girder 31a provided in the balcony width direction through the girder receiving piece 34 and the girder receiving plate 35. It is installed between and.

The eaves tray receiving plates 36a, 36a, 36a, 36a are fixed at equal intervals to the central beam 31a provided in the width direction of the balcony, and the eaves receiving plates 36b, 36b, 36b, 36b are provided in the width direction of the balcony. It is fixed to the front large beam 31a at equal intervals.

The pillar fixing pieces 37a, 37b, 37b, 37b, 37a are arranged and fixed in a row on the upper surface of the front girder 31a provided in the width direction of the balcony.

The spacers 38, 38 are fixed to the bottom surfaces of both ends of a central girder 31a provided in the width direction of the balcony. And
A connecting hole 381 is formed through the spacer 38 and the girder 31a.

5 and 6 are perspective views showing the connection structure of the back of the setback, 21 is a pillar of the upper floor room unit 2, 22 is a floor beam,
23 is a joint metal fitting and 24 is a bracket.

The bracket 24 is composed of a base plate 241, a sub plate 242, a rib plate 243, and a nut 244,
The base plate is fixed to the side surface of the column 21 with bolts 25, 25. Sub plate 242 is base plate 2
The rib plate 243 is fixed at a right angle with respect to 41, and is installed between the base plate 241 and the sub plate 242. The sub-plate 242 has three connecting holes 245 formed in the upper part, the middle part and the lower part.
Of these connecting holes 245, 245, 245, the sub plate 2
Fixed to 42.

So, balcony unit 3b and upper room unit 2
When connecting, first connect the large beams of the balcony unit 3b.
31b is inserted along the sub plate 242 of the bracket 24, and is aligned so that the connection hole 311 of the girder 31b and the connection hole 245 of the sub plate 242 overlap. Note that this alignment can be easily performed by using Shino and using the central connecting holes 311 and 245 as Shino holes. Then, after aligning, the upper connecting holes 311 and 245 and the lower connecting holes 3
A bolt 28 is inserted into the 11,245 via a washer 26 and a spring washer 27, and the bolt 28 is screwed with a nut 244 fixed to the sub plate 242. In this way, the balcony unit 3b is the pillar of the upper room unit 2 at the back of the setback.
It is connected to 21 (see Fig. 2).

FIG. 7 is a perspective view showing the connecting structure of the front part of the setback, where 11 is a pillar of the lower floor room unit 1, 12 is a ceiling beam, and 13 is a joint fitting. In the lower-floor room unit 1, a connecting hole (not shown) is formed through the ceiling beam 12 and the joint fitting 13.

So, balcony unit 3b and lower floor room unit 1
When connecting, first connect the large beams of the balcony unit 3b.
31b and a connecting hole 381 formed through the spacer 38,
The ceiling beam 12 of the lower floor room unit 1 and the connecting hole formed through the joint fitting 13 are aligned so as to overlap with each other. Then, after the alignment, the bolt 15 is inserted into the connecting hole 381 from the inside of the ceiling beam 12 through the reinforcing plate 14, and the reinforcing plate 16 and the spring washer are attached to the bolt 15 from the inside of the girder 31b. The nut 18 is screwed in via 17. In this way, the balcony unit 3b is connected to the ceiling beam 12 of the lower floor room unit 1 at the back of the setback. (See FIG. 2) As described above, in the unit building of the present embodiment, the balcony unit 3b is connected to the pillar 21 of the upper floor room unit 2 at the back of the setback, and the balcony unit 3b at the front of the setback. Since it is connected to the ceiling beam 12 of the floor unit 1,
Balcony units 3a, 3b, 3c at the back of the setback
It is not necessary to make a connecting hole in the ceiling beam 12 of the lower-floor room unit 1 arranged below.

Further, in the front part of the setback, a connecting hole is formed in the pillar 21 of the upper floor room unit 2, but since the pillar 21 has a high rigidity in advance, the connecting hole is not formed. The influence on the strength of the floor unit 2 is extremely small. Further, in the front part of the setback, since the connecting hole is formed in the ceiling beam 12 of the lower floor room unit 1 in the vicinity of the pillar 11 reinforced by the joint metal fitting 13, the connecting hole is formed. The influence on the strength of the lower-floor room unit 1 is also extremely small.

The embodiments of the present invention have been described in detail with reference to the drawings.
The specific configuration is not limited to this embodiment, and any change in the design without departing from the spirit of the present invention is included in the present invention.

For example, although the two-story unit building has been described as an example in the embodiment, it may be applied to a three-story unit building or a four-story unit building. In the case of a three-story building, a setback unit may be provided on the third floor and a balcony may be provided on the setback unit. In the case of a four-story building, a setback unit may be provided on the fourth floor to provide the setback unit. A balcony may be provided.

Further, in the embodiment, the set-back portion is formed in front of the upper-floor room unit by making the sizes of the lower-floor room unit and the upper-floor room unit different, but the upper-floor room unit is not changed in size. The setback portion may be formed by reducing the number of the lower floor room units than the number of lower floor room units or by shifting the positions of the lower floor room units and the upper floor room units.

(Effect of the Invention) As described above, in the unit building of the present invention, the effect that the balcony unit and the room unit are connected can be obtained without impairing the strength of the room unit.

In the present invention, when the floor structure of the balcony unit is attached to the pillar of the room unit on the upper floor of the back of the setback, by arranging the end of the girder of the floor structure of the balcony unit along the sub-plate, The floor structure can be easily positioned on the pillar of the room unit and can be firmly attached.

[Brief description of the drawings]

FIG. 1 is a plan view showing a unit building of an embodiment of the present invention, FIG. 2 is a sectional view taken along line II-II of FIG. 1, FIG. 3 is a plan view showing a balcony unit of this embodiment, and FIG. FIG. 5 is a side view showing the balcony unit of the embodiment, FIGS. 5 and 6 are perspective views showing a connecting structure at the back of the setback, and FIG. 7 is a perspective view showing a connecting structure at the front of the setback. 1 …… Lower floor room unit 12 …… Ceiling beam 2 …… Upper floor room unit 21 …… Pillar 3a, 3b, 3c …… Balcony unit

Claims (1)

(57) [Claims] 1. A room unit is vertically stacked, a room unit on an upper floor is set back from a room unit on a lower floor, and a balcony is provided in a setback portion formed in front of the room unit on the upper floor. In a unit building where units are installed, the balcony unit consists of a floor structure framed by girders, and a bracket base plate is attached to the pillar of the room unit on the upper floor of the back of the setback. The sub-plate is fixed at a right angle, and the end of the girder of the floor structure of the balcony unit is attached to the sub-plate, so that the floor structure of the balcony unit is connected to the pillar of the room unit on the upper floor at the back of the setback. A unit building characterized by