JPH0535904U - Unit room connection structure - Google Patents

Abstract

(57) [Summary] [Purpose] Attach bolts and nuts to the connecting parts of the upper and lower unit rooms in advance, and install the bolts and nuts from the outside of the unit room when installing the upper unit room.
By tightening and fixing the nuts, it is possible to connect easily and in a short time, and prevent the bolts and nuts from falling off during transportation or connection. [Structure] Connection hole 4 for inserting bolts formed through the lower part
0 and a bolt tightening operation part 42 formed by opening the entire surface
The box-shaped connecting hardware 16 including and is fixed to the end surface of the upper unit room 14 on the floor panel 22 side, and the lower connecting hole 40
The bolt 18 which is inserted into the lower part of the unit room 12 and protrudes downward is attached to the frame member 58 located at the upper end of the wall panel 24 of the lower unit room 12.
A connecting structure of a unit room, which is connected to the nut 20 provided on the lower surface side of the frame member 58 by being threaded through
In the nut 20, the tubular nut main body 54 is passed through the frame member 58, the flange portion 56 formed on the outer periphery of the upper portion of the nut main body 54 is brought into contact with the upper surface of the frame member 58, and at the lower end portion of the nut main body 54. The frame material 58 by screwing the bolt 60
Fixed to.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a unit room connection structure in an industrialized house, and more particularly to a unit room connection structure suitable for connecting upper and lower floor unit rooms.

[0002]

[Prior Art]

 In recent years, industrialization has progressed in buildings and the like.

In particular, the unit construction method is widely adopted in terms of shortening the construction period, easiness of site construction, and the like. In this unit construction method, a box-shaped unit room preassembled and manufactured in a factory is transported to the scene and By assembling multiple unit rooms, we are constructing houses.

In the conventional case, when stacking such unit rooms and connecting and fixing the unit rooms up and down, the upper end of the wall panel of the unit room below and the floor panel of the unit room upstairs are connected to each other by using bolts and nuts. It was designed to be connected and fixed by tightening from the inside.

[0005]

[Problems to be solved by the device]

 In the above-mentioned conventional example, when 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 connected to the bolts and nuts from the inside of the unit room. Since the unit room on the upper floor to be installed is placed and positioned on the unit room downstairs, the worker must enter the unit room and tighten the bolts and nuts. However, since the mounting / positioning work of the unit room and the bolt / nut tightening work must be performed in different stages, there is a problem that the work is troublesome and the work time is extended accordingly. ..

In addition, it is advantageous to attach the bolts and nuts for connection to each unit room in advance at the factory shipment stage, in order to manage parts and to omit the on-site construction process, but washers, nuts, etc. In case of pre-mounting, it takes time to solidify the adhesive and it is troublesome because the adhesive needs to be clamped for adhesion. Furthermore, the impact during transportation of the unit room and the bolt during connection are required. There was a risk that it would fall out due to the contact of.

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, the bolts and nuts can be easily and quickly connected by tightening and fixing the bolts and nuts from the outside of the unit room, and the bolts and nuts do not fall off during transportation or connection. To provide the connection structure of.

[0008]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the unit room connection structure of the present invention is a box-shaped connection including at least a connection hole for inserting a bolt formed at a lower portion thereof and a bolt tightening operation part formed by opening the entire surface. Fix the hardware in the recess formed on the end surface of the floor panel side of the upper unit room that is vertically connected, and insert the bolts inserted into the lower connection holes formed in A connecting structure of a unit room, which is penetrated through a frame material located at an upper end of a wall panel of a unit room and screwed and connected to a nut provided on a lower surface side of the frame material, wherein the nut is a tubular nut body. Through the frame material, the flange portion formed on the outer periphery of the upper part of the nut body is brought into contact with the upper surface of the frame material, and a bolt is screwed to the lower end portion of the nut body to be fixed to the frame material. Ruko It is characterized in.

[0009]

[Action]

 In advance at the factory shipment stage, a recess is formed in the end face of the unit room on the floor side on the floor panel side, and the opening of the metal fitting is inserted and fixed in this 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.

In addition, a nut that is screwed into the bolt is attached to the upper end of the wall panel of the unit room downstairs. In this case, in the nut, the tubular nut body is penetrated through the frame material at the upper end of the wall panel, the flange portion formed on the upper outer periphery of the nut body is brought into contact with the upper surface of the frame material, and It is fixed to the frame material by screwing a bolt to the lower end. 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 a building 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 protruding 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 then tighten the bolt from the tightening operation part of the metal fitting. By operating and tightening, it is possible to connect and fix the unit room at the same time from the outside of the unit room, and it is possible to shorten the construction time.

[0013]

【Example】

 Hereinafter, preferred embodiments of the present invention will 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 14 on the second floor is installed on the unit room 12 on the first floor. A connecting metal piece 16, a bolt 18 and a nut 20 are used to connect the 12 and the unit room 14 on the second floor.

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

The connecting hardware 16 is a box-like member formed by opening the front surface, and has side portions 28 on both left and right sides, upper and lower portions 30 and 32, and a back portion that connects these side portions 28 and the upper and lower portions 30 and 32. The wall portion 34 and the wall portion 34 are bent and formed.

The side portion 28 is formed 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.

A portion surrounded by the side portion 28, the upper and lower portions 30 and 32, and the back wall portion 34 is formed as a space having an opening on the front surface, and the bolt 18 penetrating the connecting holes 38 and 40 of the upper and lower portions 30 and 32. Etc. are formed as a tightening operation portion 42 for tightening the same from the front side.

Further, 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 The thickness of the wall panel 24 is set to approximately half, and a concave portion 46 for mounting the connecting metal piece 16 is formed on the side end surface thereof. The concave portion 46 is mounted with the opening facing outward and on both left and right sides. The connecting hardware 16 is screwed through the hole 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 from the tightening operation portion 42 side into the connecting hole 40 on the lower side of the connecting metal piece 16, and in this state, the bolt 18 is conveyed to the construction site from the factory.

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

The nut 20 is composed of a tubular nut body 54 and a flange portion 56 formed on the outer periphery of the upper portion of the nut body 54. The nut main body 54 is set to have a length that allows the frame member 58 at the upper end portion of the wall panel 24 of the unit room 12 on the first floor to penetrate therethrough, and is inserted into the through hole of the frame member 58. The flange portion 56 is located on the outer periphery of the upper portion of the nut body 54 and contacts the upper surface of the frame member 58 to prevent the nut body 54 from falling out. Then, a washer 62 is attached to the lower end portion of the nut body 54 described above, a short bolt 60 is screwed, and the frame member 58 is sandwiched between the flange portion 56 and the washer 62. It is fixed to.

Then, the unit room 12 on the first floor and the unit room 14 on the second floor are transported to the construction site and fixedly connected 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, moved to the base 10, and placed and fixed on the base 10.

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 While aligning with the bolt 18 protruding from the connecting hole 40 on the lower side of the connecting hardware 16 attached to the floor panel 22 of the unit room 14 on the first floor, the unit room 14 on the second floor is connected to the unit room 12 on the first floor. It is mounted on the wall panel 24 of.

Then, in this state, the bolt 18 protruding from the connecting metal fitting 16 matches 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 fitting 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 connected and fixed easily.

As described above, the connection and the fixation with the unit room 12 on the first floor and the unit room 14 on the second floor can be easily performed from the outside using the connecting hardware 16, and the construction time can be shortened. It is connected. Further, since the nut 20 on the unit room 12 side of the first floor is securely fixed to the wall panel 24, there is no fear that it will fall off due to an impact.

In the above-mentioned embodiment, the connection and fixation of the unit room on the first floor and the unit room on the second floor have been described. It is possible.

[0032]

[Effect of the device]

 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 surface of the floor panel side of the upper unit room toward the outside, and the bolt is inserted into the lower connecting hole. At the same time, since a nut that screws with the above-mentioned bolt is attached to the upper end of the wall panel of the unit room below, it is possible to align and fix the unit room from the outside of the unit room at the same time, and shorten the construction time. There is an effect.

In the nut, the tubular nut body is passed through the frame material at the upper end of the wall panel, and the flange portion formed on the outer periphery of the upper portion of the nut body is brought into contact with the upper surface of the frame material. Since it is fixed to the frame material by screwing the bolt to the lower end of the main body, it can be securely fixed to the wall panel easily and in a short time, and it is possible to prevent it from falling off due to impact during transportation or connection. is there.

[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 showing a mounted state of a nut.

[Explanation of symbols]

12 1st floor unit room 14 2nd floor unit room 16 Connecting hardware 18 Bolt 20 Nut 24 Wall panel 40 Connecting hole 42 Tightening operation part 54 Nut main body 56 Flange part 58 Frame material 60 Bolt
MH016802

Claims (1)

[Scope of utility model registration request] 1. A floor of an upper unit room for vertically connecting 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. 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 and connected to a nut provided on a lower surface side of the frame member, wherein the nut has a tubular nut body penetrating the frame member, and an outer periphery of an upper portion of the nut body. The unit room connecting structure characterized in that the flange portion formed on the frame member is brought into contact with the upper surface of the frame member, and a bolt is screwed to the lower end portion of the nut body to be fixed to the frame member.