JPH0744641Y2 - Unit room connection structure - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a unit room connecting structure in an industrialized house, and more particularly to a unit room connecting structure suitable for connecting upper and lower unit rooms.

[0002]

2. Description of the Related Art In recent years, industrialization has been promoted in buildings and the like.

In particular, the unit construction method is widely adopted in order to shorten the construction period and facilitate site construction. In this unit construction method, a box-shaped unit room preassembled and produced in a factory is transported to the construction site, and a plurality of units are constructed on the construction site. By assembling the unit room of, the house is constructed.

Conventionally, when stacking such unit rooms and vertically connecting and fixing them, the upper end of the wall panel of the lower unit room and the floor panel of the upper unit room are connected to the indoor side by using bolts and nuts. It was designed to be connected and fixed by tightening from.

[0005]

In the above conventional example, in the state where the upper and lower unit rooms are stacked, the wall panel of the lower unit room and the floor panel of the upper unit room are combined in the unit room. Since the bolts and nuts were tightened and fixed from the indoor side, after placing and positioning the upstairs unit room to be installed on the downstairs unit room, the worker enters the unit room and bolts and nuts. Since it is necessary to perform the tightening work of the unit room and the mounting and positioning work of the unit room and the tightening work of the bolts and nuts at different stages, the work is troublesome.
There was a problem that the work time would be extended accordingly.

Further, it is advantageous to attach the connecting bolts and nuts to each unit room in advance at the factory shipment stage, in terms of parts management and omitting the on-site construction process. However, washers and nuts are attached in advance. In that case, it takes a lot of time for the adhesive to solidify, and it is troublesome to perform a pressure-tightening work for the adhesion. There was a risk of falling out.

The present invention has been made in view of the above problems, and an object thereof is to attach bolts and nuts to the connecting portions of the upper and lower unit rooms in advance, and to install the bolts and nuts in the upper unit room. At the time of installation, by tightening and fixing the bolts and nuts from the outside of the unit room, it is possible to connect easily and in a short time, and the connection structure of the unit room does not drop the bolts and nuts during transportation or connection. To provide.

[0008]

To achieve the above object, the unit room connection structure of the present invention has a bolt insertion connection hole formed at least in the lower portion and a bolt tightening formed by opening the entire surface. The box-shaped connecting metal object including the operation part is fixed in the recess formed in the floor panel side end surface of the upper unit room which is vertically connected, and is inserted into the lower connecting hole formed in the connecting metal object to move downward. A connecting structure of a unit room, in which a protruding bolt penetrates a frame material located at an upper end of a wall panel of a lower unit room and is screwed and connected to a nut provided on a lower surface side of the frame material, As for the nut, a plurality of latches are integrally attached to the nut main body, and the latch main body is fixed to the lower surface side of the frame member by penetrating the latch stoppers through the through holes formed in the frame member. Features and To have.

[0009]

In the factory shipment stage, a recess is formed in advance on the floor panel side end face of the unit room on the upper floor, and the opening of the connecting metal object is inserted and fixed in the recess. In this case, if the bolt is inserted into the connecting hole at the bottom of the connecting metal object, it will not fall off.

Further, a nut screwed with the bolt is attached to the upper end of the wall panel of the unit room downstairs.
In this case, in the nut, a plurality of latches are integrally attached to the nut body, and the latches are passed through the through holes formed in the frame member to fix the nut body to the lower surface side of the frame member. To do. Therefore, the nut is securely fixed to the wall panel easily and in a short time and does not fall off.

Next, each unit room is transported to the construction site by a transporting means such as a truck with the connecting hardware, bolts and nuts, etc. attached to each unit room.

Next, at the construction site, the unit room on the first floor is placed and fixed on the foundation, and the unit room on the second floor is placed on the unit room on the first floor. in this case,
Position the bolt that protrudes from the bottom of the metal fitting installed in the unit room on the second floor with respect to the nut installed on the upper end of the wall panel of the unit room on the first floor, and operate the bolt from the tightening operation part of the metal fitting. If tightened, the unit room can be aligned and connected and fixed from the outside of the unit room at the same time, and the construction time can be shortened.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will now be described in detail with reference to the drawings.

1 to 3 are views showing an embodiment of the present invention.

In this embodiment, the unit room 12 on the first floor is installed on the foundation 10, and the unit room 1 on the first floor is installed.
The unit room 14 on the second floor will be installed on top of 2,
For connecting the unit room 12 on the first floor and the unit room 14 on the second floor, a connecting hardware 16 and a bolt 18, a nut 2
0 is used.

Unit rooms 12 and 14 on the first and second floors
In the state where the wall panel 24 is erected and fixed on the floor panel 22 and the ceiling material 26 is attached to the upper opening portion of the wall portion formed by these wall panels 24, the ceiling material 26 is assembled in a box shape at the factory in advance. It is designed to be transported to the construction site. 2
A roof panel (not shown) can be attached to the upper part of the unit room 14 on the floor.

The connecting hardware 16 is a box-shaped member having an open front surface, and has side portions 28 on both left and right sides and upper and lower portions 30, 3 and 3.
2 and a back wall portion 34 connecting the side portion 28 and the upper and lower portions 30 and 32 are bent and formed.

The side portion 28 is provided with two mounting holes 36 for screwing, which are mounted on the floor panel 22 in advance in a factory or the like.

Connection holes 38 and 40 for inserting the bolts 18 and the like are formed through the upper and lower portions 30 and 32, respectively.

The side portion 28, the upper and lower portions 30, 32 and the back wall portion 3
A portion surrounded by 4 is formed as a space having an opening on the front surface, and is formed as a tightening operation portion 42 for tightening the bolt 18 or the like penetrating the connecting holes 38, 40 of the upper and lower portions 30, 32 from the front surface side. It has become.

The connecting hardware 16 is attached in advance to the floor panel 22 side end of the unit room 14 on the second floor in the factory, and the core material 44 located at the outer peripheral side end of the floor panel 22 is a wall. The thickness of the panel 24 is set to about half, and a concave portion 46 for mounting the connecting metal piece 16 is formed on the side end surface of the panel 24. The concave portion 46 has mounting holes on both left and right sides with the opening facing outward. The connecting hardware 16 is screwed via 36.

In the frame member 48 located on the lower side of the wall panel 24 of the unit room 14 on the second floor, bolts 50 are previously inserted through the connecting holes 38 on the upper side in the factory, and nuts are inserted from the upper surface side of the frame member 48. By tightening at 52,
The connecting hardware 16 is connected.

Then, the bolt 18 is inserted into the connecting hole 40 on the lower side of the connecting metal piece 16 from the tightening operation portion 42 side, and in this state, the bolt 18 is transferred to the construction site from the factory.

On the side of the unit room 12 on the first floor,
At the factory, a nut 20 to be screwed with the bolt 18 is attached to the upper end of the wall panel 24 at a position corresponding to the bolt 18 hung from the connecting metal piece 16 of the unit room 14 on the second floor.

The nut 20 is composed of a nut body 54 and a pair of latches 56 integrally formed on the upper end of the nut body 54 by caulking or the like. The nut body 54 is in a state in which a concave groove 58 for caulking is formed on the upper surface of a normal hexagonal nut. The hook 56 is formed by bending a piano wire into a substantially L-shape and forming a hook portion 62 at the tip end thereof, which engages with the upper surface of the frame member 60 at the upper end of the wall panel 24 of the unit room 12 on the first floor. It is like this. Further, the latch 56 is set to have a length that can penetrate the frame member 60, and is inserted into the through hole 64 of the frame member 60. Further, a washer 66 is attached between the nut body 54 and the lower surface of the frame member 60.

Then, these unit rooms 12 on the first floor
Also, the unit room 14 on the second floor is transported to the construction site and connected and fixed at the construction site. The connection is performed as follows.

First, the unit room 12 on the first floor is hung by a crane or the like and moved to above the foundation 10 so that the foundation 10
Place and fix on top.

Next, the unit room 14 on the second floor is lifted by a crane or the like and moved to above the unit room 12 on the first floor, and the nut 20 attached to the upper end of the wall panel 40 of the unit room 12 on the first floor and the nut 20 Unit room 14 on the first floor
The unit room 14 on the second floor is placed on the wall panel 24 of the unit room 12 on the first floor while aligning with the bolts 18 protruding from the connection holes 40 on the lower side of the connecting hardware 16 attached to the floor panel 22 of. Place it.

Then, in this state, the bolt 18 protruding from the connecting metal piece 16 coincides with the nut 20 attached to the wall panel 24 of the unit room 12 on the first floor, and the opening of the connecting metal piece 16 faces outward. Therefore, if the bolt 18 is tightened from the tightening operation portion 42, the unit room 12 on the first floor and the unit room 14 on the second floor can be easily connected and fixed.

In this way, the connecting and fixing of the unit room 12 on the first floor and the unit room 14 on the second floor is performed by the connecting hardware 1.
6 can be easily done from the outside,
In addition, it also leads to shortening of construction time. Also,
Since the nut 20 on the side of the unit room 12 on the first floor is securely fixed to the wall panel 24, there is no fear of falling off due to impact.

In the above embodiment, the connection and fixation of the unit room on the first floor and the unit room on the second floor have been described. However, the present invention is not limited to this example, and is applicable to the connection of unit rooms on the second floor and above. I will get it.

[0032]

As described above, according to the present invention, at the factory shipment stage, the opening of the connecting metal piece is fixed to the end face of the floor panel side of the unit room on the upper floor so that the opening is fixed to the connecting hole at the lower part. As well as inserting the bolts, the nuts that screw with the bolts are attached to the upper end of the wall panel of the unit room below, so it is possible to align and fix the unit room from the outside of the unit room. Also has the effect that it can be shortened.

Further, the nut is fixed to the wall panel easily and in a short time because the nut body is fixed to the frame member at the upper end of the wall panel by the latching member formed integrally with the nut body. In addition, there is an effect that it can be prevented from falling off due to an impact during transportation or connection.

[Brief description of drawings]

FIG. 1 is a perspective view showing a unit room connection structure according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a connecting portion of FIG.

FIG. 3 is an exploded perspective view of a nut.

[Explanation of symbols]

12 Unit room on the first floor 14 Unit room on the second floor 16 Connecting hardware 18 Bolts 20 Nuts 24 Wall panel 40 Connecting hole 42 Tightening operation part 54 Nut body 56 Latch 60 Frame material
MH016902

Claims (1)

[Scope of utility model registration request] 1. A floor of an upper unit room in which a box-shaped connecting metal article including a bolt insertion connecting hole formed at least in a lower portion and a bolt tightening operation portion formed by opening the entire surface is vertically connected. Fix the bolt in the recess formed on the end face on the panel side, insert it into the lower connecting hole formed in the connecting metal object and project it downwards, and penetrate the frame material located at the upper end of the wall panel of the lower unit room. A connecting structure of a unit room that is screwed into a nut provided on a lower surface side of the frame member to be connected, wherein the nut has a plurality of latches integrally attached to a nut body, and the latch is A connecting structure for a unit room, characterized in that the nut body is fixed to the lower surface side of the frame member by penetrating through a through hole formed in the frame member.