JPS6316402Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to unit structures of buildings, and more specifically, when unit structures are connected to each other at a construction site to form a building, it is possible to quickly connect unit structures to each other. This invention relates to a unit structure of a building having a joint structure.

In the so-called unit construction method, in which unit structures are connected to each other at a construction site to form a building, it is important how quickly and accurately the unit structures can be connected to each other at the construction site.
In other words, since the unit structure itself is mass-produced in a factory, it is possible to reduce costs, but if it takes time and effort to construct it at the actual construction site, it will not lead to lower costs for the entire building. It is.

In view of the above, an object of the present invention is to provide a unit structure having a connecting structure that can quickly and accurately connect unit structures to each other.

The unit structure of the present invention has a column and a web that are vertical, and an upper beam and a lower beam that are made of channel steel and are attached to the column so that flanges extend horizontally inward from both ends of the web. The upper beam to be joined and the lower beam to be joined, which are placed opposite to those of other unit structures adjacent in the horizontal direction, and the upper surface of the upper flange of the upper beam to be joined and the joining surface meet. a bracket having a connecting part with matching bolt holes and fixed to the outer surface of the web of the upper beam to be connected; It is characterized by including a joint metal fitting that extends between the brackets and has bolt holes provided at positions corresponding to the bolt holes of each bracket.

Embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in FIG. 1, the unit structure 10 of the present invention includes a column 12, an upper beam 14 to be connected, a lower beam 16 to be connected, a bracket 18, and a bracket 20. Naturally, the unit structure 10
This includes beams 22, other lower beams, wall panels, ceiling panels, etc. that are not connected to other unit structures, but such members are formed in the same locations as those used in conventional unit structures. Such members are omitted because they are not directly related to the present invention.

The pillar 12 is formed into a hollow shape with a rectangular horizontal cross section,
An upper beam 14 and a lower beam 16 are connected to the column 12 by bolts. The column 12, the upper beam 14 to be connected, and the lower beam 16 to be connected may be welded.

The upper beam 14 to be connected and the lower beam 16 to be connected are arranged to face the upper beam to be connected and the lower beam to be connected, respectively, provided at corresponding positions of adjacent unit structures, and at least the upper beams to be connected are connected to each other. Ru. Furthermore, when the building is two-story, the upper beam 14 of the unit structure placed on the lower floor is connected to the lower beam 16 of the unit structure placed on the upper floor. Upper beam 14 to be connected and lower beam 16 to be connected
It is made of a channel steel having a web 23 and flanges 24 at both ends of the web 23 and having a groove-shaped vertical cross section. The outer surface 23a of the web 23 is positioned on the central vertical plane of the column 12, and each flange 24 faces horizontally inward of the unit structure.
Bolted to 2.

A bracket 18 is welded to the outer surface 23a of the web 23 of the upper beam 14 to be joined. This bracket 18 has a connecting portion 18 having a horizontal connecting surface 18a.
b, and support portions 18c extending vertically from both ends of this joint portion 18b, and the front shape is approximately an inverted U.
It is formed into a letter shape. The bracket 18 is welded to the outer surface 23a of the web such that the level of its joining surface 18a matches the level of the upper surface 24a of the upper flange of the upper beam 14 to be joined. Joint part 1
A bolt hole 26 is provided in 8b.

A bracket 20 is welded to the outer surface 23a of the web 23 of the lower beam 16 to be joined. This bracket 20 has the same shape as the bracket 18, and when welding, the joining surface 18a is on the lower side, and the level of this joining surface 18a matches the level of the lower surface 24b of the lower flange of the lower beam 16 to be joined. position and weld.

Each of the brackets 18, 20 is mounted at a fixed distance from the post 12. As a result, whether the unit structure is used in a one-story building or a two-story building, the bolt hole 26 of the joint 18b is a constant distance from the column 12, and both Same joint hardware in case 2
8 can be used.

The joint hardware 28 connects the opposing brackets 1 of the unit structure adjacent to each other at a predetermined position.
8, 18 and is used to connect both brackets and thus unit structures to each other. The joint hardware 28 has dowels 30 protruding from four locations. When each dowel 30 is inserted into the through hole 32 provided in the upper beams 14, 14 to be joined, which are arranged facing each other at a predetermined position, it is aligned with the bolt hole 26 of the joint part 18b of each bracket. A bolt 34 is provided at the joint hardware 28. In this way, when a plurality of dowels 30 are provided on the joint hardware 28, the joint hardware 28
8 also functions as a positioning member for the upper beams 14, 14 to be coupled.

To construct a one-story building as shown in FIG. 1 using the unit structure 10 of the present invention, the unit structures 10, 10 are brought to a predetermined position on the foundation,
Through hole 3 in upper beams 14, 14 to be coupled facing each other
Insert the dowel 30 of the joint hardware 28 into 2. In this state, bolt holes 2 of each bracket 18
6 and the bolt hole 34 of the joint hardware 28 are aligned, so insert the bolt 36 here and tighten the nut 38.
Just screw it in. In this case, the nut may be welded to the back surface of the joint portion 18b of the bracket, or may be a non-welded nut. bolt 3
6 and the nut 38, the joint hardware 28 comes into close contact with the upper side surface 24a of the upper flange of each upper beam 14 and the connecting surface 18a of each bracket 18, so that the upper beams 14 are firmly connected to each other. It will be held on. Note that the connection between the lower beams 16 to be joined may be performed in the same manner as described above using the opposing brackets 20 and joint metal fittings 28, or alternatively, the connection between the lower beams 16 to be connected may be performed using the opposing brackets 20 and the joint metal fittings 28, or alternatively, the connection between the lower beams 16 to be connected may be carried out using the opposing brackets 20 and the joint metal fittings 28, or the connection between the lower beams 16 to be connected may be carried out in the same manner as described above. The lower beam 16 may be fixed onto the foundation. In the latter case, the bracket 20 may be unnecessary. When joining using the joint hardware 28, the joint hardware is positioned below the lower beam 16 to be joined.

Next, as shown in FIG. 2, when constructing a two-story building using the unit structure 10 of the present invention, first the first floor unit structure 10 is placed at a predetermined position on the foundation. . Next, the dowel 30 of the joint hardware 28 is inserted into the through hole 32 of the flange, and the joint hardware 28 is attached to the upper beams 14, 1 to be joined.
4 Place it on top. Generally, in a unit structure, the upper surface 13a of the column 12 and the upper surface 24a of the upper flange of the upper beam 14 to be connected are not on the same level, but the upper surface 13a of the column is slightly higher. Therefore, in this case, the thickness of the joint hardware 28 is equal to the thickness of the upper surface 1 of the column.
2 of the distance between 3a and the upper surface 24a of the flange.
Set it to double. In this way, when the unit structure on the upper floor is placed on the upper side of the unit structure on the lower floor, the columns are in close contact with each other, and the joint hardware 28 is connected to the upper beam 14 of the unit structure on the lower floor.
and the lower beam 16 of the unit structure on the floor to be connected. In addition, the positioning of the unit structure on the upper floor with respect to the unit structure on the lower floor can be done by using dowels (not shown) provided on the pillars 12 of the unit structure on the upper floor, and holes provided in the pillars of the unit structure on the lower floor. 13b. Therefore, when the unit structure on the floor is in a predetermined position in this way, the bracket 18 of the upper beam 14 to be connected to the unit structure on the floor below is moved as shown in FIG.
bolt hole 26 of the joint hardware 28, bolt hole 34 of the joint hardware 28, and the lower beam 1 to be connected to the unit structure on the floor.
The bolt holes 26 of the brackets 20 of No. 6 are aligned.
Therefore, the upper and lower brackets can be connected to each other by tightening the bolts 36 and nuts 38. Further, since the joint metal fittings 28 extend toward adjacent unit structures located horizontally opposite to each other, the adjacent unit structures are also connected to each other by tightening the bolts and nuts, and eventually both vertically and horizontally. A combination of directions is made.

According to the present invention, the space between the opposing webs at the periphery of the bracket can be used as a work space during the joining work, and the upper beams to be joined can be connected to each other by simply passing bolts through the bolt holes of the joint hardware and the bracket and tightening them. Since it can be combined, the combining operation can be performed extremely quickly. In addition, by using brackets, the area for connecting beams of unit structures can be doubled, and together with the fact that the bracket connecting surface matches the upper or lower surface of the beam, it is possible to achieve a solid structure. Guaranteed binding.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing the main parts of the unit structure of the present invention, and also shows the state in which a one-story building is constructed, and Fig. 2 is a perspective view of the joint part of the two-story building. , FIG. 3 is an enlarged view of FIG. 2 in the direction of arrow 3. 10: Unit structure, 12: Column, 14: Upper beam to be connected, 16: Lower beam to be connected, 18, 20: Bracket, 18a: Connection surface, 23: Web, 24: Flange, 24a: Upper side, 24b: Lower side, 2
8: Joint hardware, 30: Matching nail.

Claims (1)

[Scope of utility model registration request] A column, a connected upper beam and a connected lower beam made of channel steel are attached to the column so that the web is arranged vertically, and flanges extend horizontally inward from both ends of the web, and the connected upper beam and lower beam are horizontally arranged. An upper beam to be connected and a lower beam to be connected, which are arranged opposite to those of other adjacent unit structures, and a connecting surface that matches the upper side of the upper flange of the upper beam to be connected, and have bolt holes. A bracket provided with a connecting part and fixed to the outer surface of the web of the upper beam to be connected, and a bracket of the upper beam to be connected to the bracket of another unit structure located opposite this bracket and this bracket. and a joint metal fitting having bolt holes provided at positions corresponding to the bolt holes of each of the brackets.