JP2002309679A - Building unit capital connection structure - Google Patents

Abstract

(57) [Problem] To provide a joint structure between capitals of a building unit, which has good positioning accuracy between building units with respect to an external force, and particularly has high strength against kinking of the building unit. SOLUTION: A plurality of building units are arranged adjacent to each other, and a stigma joint plate 34 provided between the stigmas adjacent to the building units is provided.
And the building units are positioned with respect to each other, and the building units arranged adjacent to each other are joined together in a state where they are positioned with respect to each other.
A, 3B and a fitting hole 3D are respectively provided in the pillar flat shape area 15A and the pillar flat shape area 15B of the capital part, and fitting holes corresponding to the positioning pins 3A, 3B and the fitting hole 3D. 8A and 8B and positioning pins 8D are provided on the stigma joint plate 34, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure for a capital unit of a building unit. More specifically, the present invention relates to a building unit capital connection structure for connecting a plurality of building units in a unit building.

[0002]

2. Description of the Related Art A unit-type building constructed by connecting a plurality of box-shaped building units manufactured in a factory at a building site is used. As shown in FIG. 8, as a building unit forming this unit-type building, upper and lower ends of pillars 5 at four corners are connected to ceiling beams 31 (long-side ceiling beams 31L, short-side ceiling beams) via connection fittings 16A and 16B. 31S) and a box-shaped frame 30 connected by floor beams 32 (long-side floor beams 32L, short-side floor beams 32S) are common. The frame 30 includes an interior material such as a ceiling surface material supported by the ceiling beam 31, a floor surface material supported by the floor beam 32 and a partition wall for partitioning a room, and an exterior material such as an outer wall formed of lightweight cellular concrete or the like. Lumber is assembled at the factory.

Conventionally, in connecting such building units 1 to each other, a configuration shown in FIG. 7 is employed.
In the figure, first, two large and small positioning pins 3A and 3B are fixed to the capitals of columns 5 of four lower-floor building units 1B adjacent in the horizontal direction. These positioning pins 3
The fixing of A and 3B is performed by screwing the male screw portions of the positioning pins 3A and 3B to a nut welded to the back surface of the capital portion.

[0004] Next, the fitting holes 8A,
After arranging the capitals joint plate 2 on the pillar 5 of the building unit 1 adjacent horizontally so that 8B fits with the positioning pins 3A, 3B, the pillar bottom part of the pillar 5 of the upper-floor building unit (not shown) The fitting hole formed in the positioning pin 3
The upper-floor building unit is placed on the lower-floor building unit 1B so as to be fitted to A and 3B. Thereafter, the bolts 12 for connecting the building units on the upper and lower floors are connected to the through holes provided in the bottom of the upper floor building unit, the through holes 8C provided in the capital connection plate 2, and the capital portions of the lower floor building unit 1B. And fixed with nuts. (See JP-A-7-180228).

[0005]

In the conventional capital joint structure, the positioning pins 3A and 3B for determining the positional relationship between the adjacent building units 1 are located within the pillar plane area 15A (the pillar 5).
In the upper end surface shape area), that is,
The distance between the positioning pins 3A and 3B is 1
Because of the narrow range of 5 A, the positioning accuracy of the building units 1 with respect to external force cannot be said to be sufficient.

SUMMARY OF THE INVENTION An object of the present invention is to provide a joint structure between capitals of a building unit, in which the positioning accuracy of the building units 1 with respect to an external force is good, and particularly, the building unit has a high strength against kinking.

[0007]

In order to achieve the above object, the structure for joining capitals of a building unit according to the present invention employs the following construction. The present invention will now be described with reference to the drawings. In a joint structure for a capital unit of a building unit according to the first aspect, a frame in which upper and lower ends of four corner columns 5 are connected by a ceiling beam 31 and a floor beam 32 to form a box. A plurality of building units 1 having a plurality 30 are provided adjacent to each other, and have a stigma joint plate 34 provided between adjacent stigmas of these building units 1. The stigma joint plate and each of the building units 1 are at least In a building unit capital joint structure in which the two positioning pins 3A and 3B and the fitting holes 8A and 8B into which they are fitted are positioned relative to each other, and in this state, the adjacently arranged building units 1 are joined, Between the connection metal fitting 16A as a part and the stigma joint plate, there are a columnar plane shape area 15A and a columnar plane outside area 1A.
5B, the positioning pins 3A, 3B, 8D
And at least one combination of the fitting holes 8A, 8B and 3D is formed.

According to this structure, the upper and lower ends of the pillars 5 at the four corners are connected by the ceiling beam 31 and the floor beam 32, and the columnar portion of the building unit 1 having the box-shaped frame 30;
The space between the column capital joint plate 34 provided between the adjacent capitals of the building unit 1
A and the combination of the positioning pins 3A, 3B, 8D and the fitting holes 8A, 8B, 3D are provided in each of the column A and the outside 15B of the column planar shape region, so that this combination is provided only in the column planar shape region 15A. Positioning pins 3A, 3B, 8D and fitting holes 8A, 8B, 3D
Can be increased. As a result, the positioning accuracy of the building units 1 with respect to the external force can be improved, and the kinking of the building unit 1 with respect to the capital joint plate when a horizontal load is applied to the building unit 1 can be reduced.

According to a second aspect of the present invention, there is provided a joint structure of a capital unit of a building unit according to the first aspect, wherein the positioning pins 3A and 3B are provided on the capital portion in the columnar shape region 15A. And a fitting hole 8 for the positioning pins 3A and 3B is formed in the capital joint plate.
A, 8B are provided, and 15
B is characterized in that a fitting hole 3D for the positioning pin 8C is provided in the capital portion, and the positioning pin 8D is provided in the capital joint plate.

According to this configuration, the building unit 1 side
Positioning pins 3A and 3B are provided in the columnar plane area 15A, and fitting holes 3D are provided in the columnar outer area 15B.
A, 8B, positioning pin 8D at 15B outside pillar plane shape area
In the existing building unit 1 provided only with the positioning pins 3A and 3B, if the fitting hole 3D is provided in the outside 15B of the pillar plane shape area, the existing building unit 1 can be used according to the present invention. It can be diverted to the capital joint structure.

According to a third aspect of the present invention, there is provided a joint structure of a capital unit of a building unit according to the first or second aspect of the present invention. It is characterized in that pins 3A and 3B are provided. According to this configuration, since two positioning pins 3A and 3B having different lengths are provided, when the capital joint plate is mounted on the building unit 1, first, the fitting hole 8A is fitted into the longer positioning pin 3A. And the approximate positioning is performed, and the fitting hole 8B is fitted to the next shorter positioning pin 3B. Therefore, compared with the case where the positioning pins having the same length are used,
Work can be done easily.

According to a fourth aspect of the present invention, there is provided a joint structure of a capital unit of a building unit according to any one of the first to third aspects.
Are provided so as to protrude from the upper surface and the lower surface of the stigma joint plate. According to this configuration,
If a fitting hole for the positioning pin 8D is provided in the bottom of the pillar of the upper floor building unit 1A, the positioning pin protrudingly provided on the upper surface and the lower surface of the capital joint plate in the fitting hole of the building unit 1 on the upper and lower floors. Can be connected, so that the upper-floor building unit 1A and the lower-floor building unit 1B can be connected via the capital joint plate.

According to a fifth aspect of the present invention, there is provided the stigma joint plate according to the second aspect of the present invention, wherein the fitting hole for the positioning pin is provided on the stump portion outside the pillar plane shape region 15B. 3D is characterized in that it has a nut 13D to which a suspension bolt 14 for suspending the building unit 1 can be screwed. According to this configuration, when the building unit 1 is transported from the factory to the work site, if the hanging bolts 14 are screwed into the nuts 13D for the positioning pins 8D, the hanging bolts 14 are suspended from the hanging bolts 14. By connecting the members, the building unit 1 can be suspended and unloaded on a truck or the like, and when it is further unloaded, it can be moved to a predetermined position where the building unit 1 is incorporated.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. In the following description, the same components will be denoted by the same reference characters, and the description thereof will be omitted or simplified. [First Embodiment] FIG. 1 is a diagram showing a first embodiment. FIG. 2 is a sectional view taken along line II-II of FIG. In the first embodiment,
Building units 1 (two upper building units 1A are shown in FIG. 2) adjacent to each other on the upper and lower floors, a capital connection plate 34 provided between the adjacent capitals of these building units 1, And bolts 12 for connecting building units. Here, the upper-floor building unit 1 is referred to as an upper-floor building unit 1A, and the lower-floor building unit 1 is referred to as a lower-floor building unit 1B.

The building unit 1 has a connection fitting 16A as a capital part for joining a long side ceiling beam 31L and a short side ceiling beam 31S as ceiling beams 31 at the upper end of the column 5 at right angles to each other.
In addition, a connection fitting 16B is provided at the lower end of the column 5 as a column bottom portion for joining the long side floor beam 32L and the short side floor beam 32S, which are the floor beams 32, at right angles to each other.

The connection fitting 16A is composed of two connection plates 18A, which are arranged at the upper end of the column 5 at an interval in the vertical direction.
21A, and an L-shaped connecting member 20A connecting the two,
The partition member 19A is connected to the corner portion of the L-shaped connecting member 20A and forms the same rectangular tubular cross-sectional shape as the column 5 together with the L-shaped connecting member 20A.

Of the two connection plates 18A and 21A,
The upper connection plate 18A is formed in a rectangular shape larger than the cross-sectional shape of the column 5. Specifically, the dimension along the short side direction of the building unit 1 (the dimension along the short side ceiling beam 31S) is longer than one side of the pillar 5, and the dimension along the long side direction (the long side ceiling beam 31L). (Dimension along the length) is longer than one side of the column 5 and longer than the dimension in the short side direction.

On the upper surface of the connection plate 18A, two large and small positioning pins 3A and 3B are provided in an area 15A within a pillar plane shape area, that is, an area within the outline when the pillar 5 is viewed from the upper surface. A through hole 3C and a fitting hole 3D are provided outside the shape region 15B. Here, the two large and small positioning pins 3A and 3B and the fitting hole 3D are connected to the building unit 1.
And the positioning pin 3A is disposed outside the positioning pin 3B. The through hole 3C is formed on the same line as a straight line connecting the two fitting holes 3D, and on the opposite side of the fitting holes 3D from the positioning pins 3A and 3B. Note that nuts 13C and 13D are attached to the through hole 3C and the fitting hole 3D.

The fitting 16B as the pillar bottom has the same configuration as the fitting 16A as the capital. That is, the connection fitting 16B includes two connection plates 18B and 21B, an L-shaped connecting member 20B, and a partition member 19B. On the lower surface of the connection plate 21B, the positioning pin 3 is provided in the area 15A within the column planar shape area, that is, in the area within the outline when the column 5 is viewed from the lower surface.
Two fitting holes 4A and 4B respectively fitting into A and 3B are provided, and a through hole 4C for inserting the bolt 12 together with the through hole 3C is provided in the outside 15B of the pillar planar shape region. Note that the shapes of the connection plates 18B and 21B, the partition member 19B, and the L-shaped connecting member 20B are the same as the corresponding components of the connection fitting 16A, and thus description thereof is omitted.

The stigma joint plate 34 has a rectangular plate body 23 straddling between adjacent fittings 16A of the two building units 1. In the plate body 23,
Fitting holes 8A and 8B for fitting with the positioning pins 3A and 3B of the building unit 1 are formed in the pillar plane shape area 15A,
A positioning pin 8D that fits into the fitting hole 3D protrudes from the outside 15B of the pillar planar shape area. In addition, when the capital joint plate 2 is attached to the connection fitting 16 </ b> A of the building unit 1, both short side end surfaces of the plate main body 23 are arranged between the fitting hole 3 </ b> D and the through hole 3 </ b> C.

In assembling the building unit 1,
First, after two conveyed lower-floor building units 1B are arranged adjacent to each other with their short sides aligned, the fitting holes 8A and 8B of the capital joint plate 34 and the positioning pins 8D are respectively connected to the connection fitting 16A. The positioning pins 3A provided,
While fitting into the 3B and the fitting hole 3D, the capital joint plate 34 is attached across two adjacent building units 1.

Next, in order to place the upper-floor building unit 1A on the upper surface of the lower-floor building unit 1B, the suspension bolt 1
4 is screwed into a nut 13D, and a rope or the like is inserted into the suspension bolt 14 to lift the upper-floor building unit 1A with a crane. The fitting holes 4A, 4B of the lifted upper-floor building unit 1A are fitted to the positioning pins 3A, 3B. Finally, after removing the suspension bolts 14,
Bolts 12 for connecting upper and lower building units 1
Is inserted from the through hole 4C into the through hole 3C, and is fixed by the nut 13C on the back side of the connection plate 18A of the lower floor building unit 1B.

According to the first embodiment, the following effects can be expected. (1) The upper and lower ends of the pillars 5 at the four corners are the ceiling beam 31 and the floor beam 32
Between the connection fitting 16A as a capital part of the building unit 1 having the frame 30 formed in a box shape by being connected with the capital, and a capital joint plate 34 provided between adjacent capitals of the building unit 1 Is 15A in the pillar plane shape area
The combination of the positioning pins 3A, 3B and the fitting holes 8A, 8B and the positioning pin 8D and the fitting hole 3D outside the columnar plane shape area 15B is provided, so this combination is provided only in the columnar plane shape area 15A. In comparison with the case where a plurality of positioning pins 3A, 3B and 8D
The maximum separation distance between the combination with the 3D (in this case, the distance between the positioning pin 3A and the fitting hole 3D) can be increased. By pulling, the mutual positioning accuracy of the building unit 1 with respect to an external force can be improved, and the capital joint plate 3 when a horizontal load is applied to the building unit 1
4 can reduce the kinking of the building unit 1.

(2) On the building unit 1 side, positioning pins 3A and 3B are provided in the columnar plane area 15A, and through holes 3C and fitting holes 3D are provided in the columnar outer area 15B. Since the fitting holes 8A and 8B are provided in the columnar plane shape area 15A and the positioning pins 8D are provided in the columnar outer shape area 15B, the positioning pins 3A and 3B are provided.
If the fitting hole 3D is provided outside the pillar planar shape region 15B in the existing building unit 1 provided with only the existing building unit 1, the existing building unit 1 can be used for the stigma joint structure of the present invention. (3) Since two positioning pins 3A and 3B having different lengths are provided, when mounting the capital joint plate 34 to the building unit 1, first, the fitting hole 8A is fitted into the longer positioning pin 3A. , Approximate positioning is done,
Next, since the fitting hole 8B is fitted into the shorter positioning pin 3B, the operation can be facilitated as compared with the case where the positioning pins having the same length are used.

(4) When the building unit 1 is transported from the factory to the work site, if a hanging bolt 14 is screwed into a nut 13D for the positioning pin 8D, a rope or the like is hung on the hanging bolt 14. By connecting the members,
The building unit 1 can be suspended and unloaded on a truck or the like, and when it is further unloaded, it can be moved to a predetermined position where the building unit 1 is incorporated. (5) The bolts 12 for connecting the building units 1 on the upper and lower floors are inserted into the through holes 3C and 4C, and are fixed by the nuts 13C on the lower surface of the capital part 16A of the connection fitting 16A of the lower floor building unit 1B. The upward movement with respect to the lower building unit 1B of the building unit 1A can be restricted.

(6) The capital joint plate 34 used in the first embodiment can connect these building units 1 in the horizontal direction when the short sides of the two building units 1 are arranged adjacent to each other.

[Second Embodiment] FIG. 3 is a diagram showing a second embodiment. The second embodiment differs from the first embodiment in the stigma joint plate 35. The stigma joint plate 35 used in the second embodiment is longer in the longitudinal direction than the stigma joint plate 34, and two adjacent fittings 1
A through hole 8C is formed in a size to cover 6A, and through which a bolt 12 for connecting building units on the upper and lower floors is inserted.

According to the second embodiment, the above (1) to
In addition to (5), the following effects can be expected. (7) In the position where the bolt 12 is inserted, in the first embodiment, the upper-floor building unit 1A and the lower-floor building unit 1B
However, in the second embodiment, the stigma joint plate 2 is interposed and no gap is formed as in the first embodiment. Strength increases. (8) The capital joint plate 35 used in the second embodiment is
When the short sides of the two building units 1 are arranged adjacent to each other, these building units 1 can be connected in the horizontal direction.

[Third Embodiment] FIG. 4 is a diagram showing a third embodiment. The third embodiment is different from the second embodiment in the arrangement of the lower-floor building units 1B. Specifically, the long-side direction side of the lower-floor building unit 1 </ b> B is adjacently arranged, and the capital joint plate 36 is arranged across the short-side direction of the building units 1. The capital joint plate 36 used in the third embodiment includes two adjacent fittings 1 of two building units 1 whose long sides are arranged adjacent to each other.
It has a rectangular plate body 25 that covers the upper surface of 6A. The plate main body 25 has fitting holes 8A, 8B at positions corresponding to the positioning pins 3A, 3B of each building unit 1.
However, a positioning pin 8D is provided at a position corresponding to the fitting hole 3D.
A through-hole 8C is provided at a position corresponding to the through-hole 3C.

According to the third embodiment, the above (1) to (5)
The following effects can be expected in addition to the effects of (5) and (7). (9) The capital joint plate 36 used in the third embodiment is
When the long sides of the two building units 1 are arranged adjacent to each other, these building units 1 can be connected to each other in the horizontal direction.

[Fourth Embodiment] FIG. 5 is a diagram showing a fourth embodiment. In the fourth embodiment, two lower-floor building units 1B whose short sides are arranged adjacent to each other are further arranged adjacent to each other on the long sides, and have four building units 1. The stigma joint plate 37 used in the fourth embodiment is
When the lower-floor building unit 1B is viewed from the upper surface, the lower-floor building unit 1B has a rectangular plate main body 26 having the outer shape of the connection plate 18A in the frame 30 of the building unit 1 as a corner. The plate body 26 includes the positioning pins 3 of each building unit 1.
A and 3B have fitting holes 8A and 8B at positions corresponding to the fitting holes 3D, and positioning pins 8D have through holes 3C at positions corresponding to the fitting holes 3D.
8C are provided at positions corresponding to.

According to the fourth embodiment, the above (1) to (1)
The following effects can be expected in addition to the effects of (5) and (7). (10) The capital stud joint plate 37 used in the fourth embodiment has four building units 1 in which another building unit 1 is arranged adjacent to both the long side and the short side of each building unit 1.
They can be connected horizontally.

[Fifth Embodiment] FIG. 6 is a diagram showing a fifth embodiment. In the fifth embodiment, two building units 1 whose short sides are adjacent to each other and two building units 1 whose long sides are adjacent to each other are adjacent to each other at right angles and with their respective corners gathered. Are located.

Capital joint plate 3 used in the fifth embodiment
Numeral 8 has a plate body 27 having a convex shape so as to cover four port plates 18A arranged adjacent to each other. The plate main body 27 includes positioning pins 3 of each building unit 1.
The fitting holes 8A and 8B are provided at positions corresponding to the fitting holes A and 3B, the positioning pins 8D are provided at positions corresponding to the fitting holes 3D, and the through holes 3C are provided.
8C are provided at positions corresponding to.

That is, each of the four positioning pins 3
In FIG. 6, the arrangement of A, 3B, the through-hole 3C, and the fitting hole 3D has a reversal relationship with respect to the central axis in the convex width direction of the plate main body 27 in a left-right direction and a four-way relationship in the up-down direction. The relationship is such that the building unit 1 is rotated by 90 degrees with respect to the center.

According to the fifth embodiment, the above (1) to (5)
The following effects can be expected in addition to the effects of (5) and (7). (11) The convex stigma joint plate 38 used in the fifth embodiment includes two building units 1 whose short sides are adjacent to each other and two building units 1 whose long sides are adjacent to each other. These building units 1 can be connected to each other in the horizontal direction when the corners are assembled and arranged adjacently at right angles.

It should be noted that the present invention is not limited to the building unit capital connection structure described in the above embodiment, but includes the following modified examples. For example, in the above embodiment,
Although one stigma joint plate 34-38 is provided for each, all these five types may be prepared. In this way, regardless of the long side direction and the short side direction of the building unit 1, the building unit 1 can be arranged in any manner.
These building units 1 can be connected to each other.

In the above embodiment, the positioning pins 3
A, 3B and a fitting hole 3D are provided on the connection fitting 16A side of the building unit 1, and corresponding fitting holes 8A, 8B and positioning pins 8D are provided on the side of the capital joint plates 34-38. Not limited to relationships. For example, all the positioning pins 3A, 3B, 8D are
4 to 38, fitting holes 8A, 8B,
3D may be provided on the connection fitting 16A side of the building unit 1. Alternatively, all the positioning pins 3A, 3B, 8D are provided on the side of the fitting 16A of the building unit 1, and the corresponding fitting holes 8A, 8B, 3D are formed in the capital joint plates 34 to
38 may be provided. Further, the positioning pins 3A, 3
B and the fitting holes 3D may be provided on the side of the capital joint plates 34 to 38, and the corresponding fitting holes 8A and 8B and the positioning pins 8D may be provided on the connection fitting 16A side of the building unit 1.

In short, the positioning pins 3A, 3B, 8D and the fitting holes 8A are provided between the connection fitting 16A and the capital joint plates 34 to 38, respectively, within the column-shaped region 15A and outside the column-shaped region 15B. , 8B, and 3D are formed and joined, and the number of the combinations does not matter, and the positioning pins 3A, 3
Either side may be formed with B, 8D and the fitting holes 8A, 8B, 3D are formed.

When the positioning pins 3A, 3B, 8D are provided on the stigma joint plates 34 to 38, the positioning pins 3A, 3B, 8D may be provided so as to protrude from both the upper and lower surfaces of the stigma joint plates 34 to 38. In this way, if fitting holes for the positioning pins 8D are provided in the connection plate 21B of the upper-floor building unit 1A, the upper surfaces of the capital joint plates 34 to 38 are fitted in the fitting holes of the building units 1 on the upper and lower floors. And positioning pins 3A protruding from the lower surface,
3B and 8D can be fitted, so that the upper floor building unit 1A and the lower floor building unit 1B are connected to the capital joint plates 34 to 38.
Can be connected via

Outside the column-shaped area 15B of the fitting 16A
The fitting hole 3D for the positioning pin 8D provided in the first embodiment does not include the nut 13D to which the suspension bolt 14 for suspending the building unit 1 can be screwed when the connection plate 18A is sufficiently thick. Alternatively, a female screw may be formed in the fitting hole 3D.

Further, the connection of two units in the horizontal direction and
Although connection of units is shown, connection of three units may be used.

[0043]

According to the joint structure for a capital unit of a building unit of the present invention, the following effects can be obtained. According to the building unit stigma joint structure of the first aspect, the stigma portion of the building unit having a box-shaped frame formed by connecting the upper and lower ends of the four corner columns with the ceiling beam and the floor beam, and At least one combination of a positioning pin and a fitting hole is provided between the columnar joint plate provided between adjacent columnar capitals, inside the columnar plane shape region and outside the columnar plane shape region. Therefore, the maximum separation distance between the combination of the positioning pin and the fitting hole can be increased as compared with the case where this combination is provided only in the columnar plane shape region. As a result, the positioning accuracy of the building units with respect to external force can be improved, and the kinking of the building unit with respect to the capital joint plate when a horizontal load is applied to the building unit can be reduced.

According to the second aspect of the present invention, a positioning pin is provided in the pillar-shaped area and a fitting hole is provided outside the pillar-shaped area on the building unit side. Since the fitting hole is provided in the pillar-shaped area and the positioning pin is provided outside the pillar-shaped area, the existing building unit provided with only the positioning pin is provided with the fitting hole outside the pillar-shaped area. Then, the existing building unit can be used for the stigma joint structure of the present invention.

According to the third aspect of the present invention, since the two positioning pins having different lengths are provided, when the capital joint plate is mounted on the building unit, the longer positioning pin is first used. Is fitted into the fitting hole, rough positioning is performed, and then the fitting hole is fitted into the shorter positioning pin. Easy.

According to the stigma joint structure of the building unit according to the fourth aspect, the positioning pins projecting from the upper and lower surfaces of the stigma joint plate can be fitted into the fitting holes of the building units on the upper and lower floors. If a fitting hole for a positioning pin is provided at the bottom of the column of the floor building unit, the upper floor building unit and the lower floor building unit can be connected via the capital joint plate.

According to the joint structure of the building unit according to the fifth aspect of the present invention, when the building unit is transported from the factory to the work site, if the hanging bolt is screwed to the nut for the positioning pin, the hanging unit is suspended. By connecting a suspension member such as a rope to the bolt, the building unit can be suspended and unloaded on a truck or the like, and when it is further unloaded, it can be moved to a predetermined position where the building unit is incorporated.

[Brief description of the drawings]

FIG. 1 is a diagram showing a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a diagram showing a second embodiment of the present invention.

FIG. 4 is a diagram showing a third embodiment of the present invention.

FIG. 5 is a diagram showing a fourth embodiment of the present invention.

FIG. 6 is a diagram showing a fifth embodiment of the present invention.

FIG. 7 is a diagram showing a conventional example.

FIG. 8 is an overall perspective view showing a frame of a building unit.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Building unit 2, 34, 35, 36, 37, 38 Capital joint plate 3A, 3B Positioning pin 3D fitting hole 4A, 4B Fitting hole 8A, 8B Fitting hole 8D Positioning pin 15A Inside pillar plane shape area 15B Column plane Outside the shape area 16A, 16B

Claims (5)

[Claims] 1. A plurality of building units each having a box-shaped frame formed by connecting upper and lower ends of pillars at four corners with a ceiling beam and a floor beam are provided adjacent to each other and provided between adjacent capitals of the building units. Having a stigma joint plate,
This stigma joint plate and each said building unit,
In a building unit capital connection structure in which at least two positioning pins and a fitting hole into which they are fitted are mutually positioned, and adjacently arranged building units are bonded in this state, a capital portion, the capital connection plate, In between, at least one combination of the positioning pin and the fitting hole is provided in each of the inside of the pillar-shaped area and the outside of the pillar-shaped area.
The joint structure of the capital of a building unit characterized by being formed one by one. 2. The stigma joint structure for a building unit according to claim 1, wherein the positioning pin is provided at the stigma portion within the pillar plane shape area, and the positioning pin fitting plate has a fitting hole for the positioning pin. Outside the pillar plane shape area, a fitting hole for the positioning pin is provided in the capital part, and the positioning pin is provided in the capital joint plate. Capital joint structure. 3. The building according to claim 1, wherein two positioning pins having different lengths are provided in the pillar-shaped area. Unit capital connection structure. 4. The building unit capital joint structure according to claim 1, wherein the positioning pins are provided so as to protrude from an upper surface and a lower surface of the capital joint plate. Capital joint structure. 5. The joint structure for a capital unit of a building unit according to claim 2, wherein the fitting hole for the positioning pin provided outside the pillar plane shape area of the capital unit is used to suspend the building unit. A joint structure for capital of a building unit, comprising a nut to which a suspension bolt can be screwed.