JP2602573Y2 - Connecting structure of overhang floor unit - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure of an overhanging floor unit and can be used for buildings such as apartment houses where a corridor is formed outside the building.

[0002]

2. Description of the Related Art Hitherto, a building in which an outer corridor, a balcony or the like protrudes from the side has been constructed as an apartment house.
As for such a building, there is a unit type that can be built in a short time by assembling a building unit manufactured in a factory in advance at a building site.

In a unit-type building, there is a case where an overhanging corridor or the like is formed by joining an overhanging floor unit, which is a kind of building unit, to a frame of a building in a state of protruding in a horizontal direction. For this, a joint structure dedicated to the overhang floor unit is used. As shown in FIG. 2, the joining structure of the overhanging floor unit is a cantilever type that cantileverly supports the overhanging floor unit 42 near the boundary between the upper and lower living room units 40 and 41 which are the building units constituting the living room. There are things.

In FIG. 2, a block 44 is attached to a lower side of the living room unit 40 on a side surface of a ceiling beam 43 constituting a frame. The block 44 has a joint 44A projecting toward the overhang floor unit 42. Joint
On the surface of 44A, a hooking member having a main body 45A extending along the longitudinal direction of the ceiling beam 43 (the direction orthogonal to the plane of FIG. 2).
A main body 45A is provided with a pin-shaped engaging portion 45B extending upward at one end. By attaching the other end of the main body 45A of the hanging member 45 to the joint 44A, the plane position of the hanging part 45B is offset from the position of the joint 44A along the longitudinal direction of the ceiling beam 43. I have.

On the other hand, a frame member 46 serving as a framework of the overhanging floor unit 42 has a joint portion projecting toward the living room unit 40 side.
46A is provided. Living room unit on the upper surface of the frame material 46
A locking member 47 is provided at a position corresponding to the locking portion 45B on the 40 side. A hole 47A through which the hook 45B of the living room unit 40 is inserted is formed at the tip of the hook 47 to form the hook 47B.

According to such a joint structure, the joints 44A,
Since 46A and the hooks 45B and 47B are offset from each other, when the overhanging floor unit 42 is vertically lowered from above the living room unit 40, the joints 44A and 46A and the hooks 45B and 47B interfere with each other. Room unit with the overhang floor unit 42
It can be easily hooked to 40, and if it is in the hooked state, it is an overhang floor unit
The work of joining 42 to the living room unit 40 becomes easy.

[0007]

However, in the above-described joint structure of the overhanging floor unit, the block 44 and the locking member are not provided.
Since the joining is performed via the 45, there is a problem that the number of members and labor required for the joining work are increased, and the production efficiency at the factory and the working efficiency at the construction site are poor. In particular, in the cantilever type,
Since the strength against the bending moment is required, there is a problem that the block 44 is thick and heavy, and handling and mounting are troublesome.

An object of the present invention is to provide a joining structure of an overhanging floor unit in which the number of members required for joining is small and joining is easy.

[0009]

The present invention is a joint structure of an overhanging floor unit for connecting an overhanging floor unit forming a floor projecting to the outside of a building to a frame of the building. A plurality of building units having a skeleton formed by assembling columns and beams are constructed in combination, and the overhanging floor unit includes the building unit
A mounting portion be along the upward mounting surface substantially becomes horizontal beams, a fitting portion for irregularities fitted in the mounting portion and the mounting surface vertically, to a position lower than the mounting surface
An abutting portion for abutting against a side surface portion of the beam ,
As the plurality of combined building units, building units stacked vertically are provided, and among these, a beam on the ceiling side of the lower building unit and a beam on the floor side of the building unit above it, The mounting portion of the overhanging floor unit is interposed.

[0010]

According to the present invention, the overhanging floor unit is hung on the upper surface of the ceiling-side beam provided on the framework of the lower building unit , and in this state, the overhanging floor unit is mounted on the side of the beam. To join. Here, since the overhanging floor unit can be directly joined to the frame of the building, sufficient strength against bending moment is secured, and there is no need to interpose members such as blocks, and the number of members required for joining is small. Cornering and joining are facilitated. Moreover, of the building units stacked vertically, a mounting portion of the overhang floor unit is interposed between the beam on the ceiling side of the building unit below and the beam on the floor side of the building unit above it , Stretch on building unit beams
Since the exit units are joined, the connecting structure of the pillars connecting the columns of the upper and lower building units to each other and the joining structure of the overhang unit are not complicated, and the overhang unit is built. Even if the building unit is joined to the skeleton, the work of vertically connecting the building units can be easily performed, and the construction work of the building by the building unit is not impaired at all, thereby achieving the object.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows living room units 10 and 20 of this embodiment and a corridor unit 30 as an overhanging floor unit. The living room units 10, 20 and the corridor unit 30 are building units that are manufactured in advance at a factory and assembled at a building site.

The living room unit 10 constitutes a living room on the lower floor. The living room unit 10 is provided with a framework 13 including a prism 11 having a rectangular cylindrical shape, a beam 12 having a U-shaped cross section, and the like. An outer wall material 14 is attached to a side surface of the frame 13. The outer wall material 14 of the living room unit 10 is a living room unit.
It is lower than the upper end of the frame 13 of 10. A portion of the frame 13 exposed from the outer wall material 14 is a joint with the corridor unit 30.

The living room unit 20 is the same as the living room unit 10, and is formed by attaching an outer wall member 24 to the side surface of a frame 23 composed of pillars 21 and beams 22 so as to constitute a living room on the upper floor. Has become.

The corridor unit 30 has a frame 33 in which a long member 31 perpendicular to the side of the building and a long member 32 parallel to the side of the building are connected. A flooring 34 is provided on the frame 33 to form a floor of an outer corridor protruding from the side of the building.

The corridor unit 30 and the living room unit 10
The overhanging floor units according to the present invention are joined to each other by the joining structure 1. That is, the long material 31 of the corridor unit 30 has a “U” shape with a cross section extending vertically, and the beam which is the framework of the living room unit 10 is used.
The web 31A that comes into contact with the side surface portion of the twelve 12 is the contact portion 35. The contact portion 35 is provided with a bolt insertion hole 36 penetrating the web 31A. Flange 31B above long material 31
Is provided with a protruding piece 38 having a pin 37 extending toward the web 12B of the beam 12. The protruding piece 38 is a mounting portion along the web 12B, which is a substantially horizontal upward mounting surface of the beam 12, and the pin 37 is used to fit the web 12B and the protruding piece 38 up and down in the vertical direction. Are the fitting portions.

On the other hand, of the beams 12 of the living room unit 10 facing the corridor unit 30, a bolt insertion hole 15 is formed in the web 12A. The position of the bolt insertion hole 15 is
This corresponds to the position of the bolt insertion hole 36 on the corridor unit 30 side. A nut 16 is fixed to the back side of the bolt insertion hole 15. On the flange 12B above this beam 12, a corridor unit
A fitting hole 17 through which 30 pins 37 are inserted is provided.

The corridor unit 30 can be hooked on the beam 12 by inserting the pin 37 into the fitting hole 17.
In the temporarily fixed state in which the corridor unit 30 is hung, the bolt insertion hole 36 of the corridor unit 30 and the bolt insertion hole 15 of the living room unit 10 communicate with each other.
The corridor unit 30 is joined to the living room unit 10 by screwing it into the living room unit 10. Here, FIG.
As is evident, living room units stacked one above the other
10 and 20, the beam 12 on the ceiling side of the lower room unit 10
And between the beam 22 on the floor side of the room unit 20 above it,
The protruding piece 38 of the corridor unit 30 is interposed.

In this embodiment, the living room units 10, 20 and the corridor unit 30 are manufactured in advance in a factory,
After installing the living room unit 10 at the building site, the corridor unit 30 is hooked to the beam 12 and temporarily
10 and then the living room unit 10 and the living room unit 20
And the living room unit 20 is joined.

According to this embodiment as described above, the following effects can be obtained. That is, the beams 12 constituting the skeleton 13
By fitting the pins 37 of the corridor unit 30 to the flanges 12B of the corridor unit, the frames 33 and 13 of the corridor unit 30 and the living room unit 10 are directly joined to each other. It is not necessary to perform the joining, the number of members required for joining can be reduced, and the joining operation can be facilitated.

In addition, of the room units 10 and 20 stacked vertically, the beam 12 on the ceiling side of the lower room unit 10
And between the beam 22 on the floor side of the room unit 20 above it,
The projecting piece 38 of the corridor unit 30 is interposed and the ceiling
Since the corridor unit 30 is connected to the well-side beam 12, the connecting structure (not shown) of the columns connecting the columns 11, 21 of the upper and lower living room units 10, 20 to each other and the connecting structure 1 are formed. Even if the corridor unit 30 is joined to the frame 13 of the building, the work of joining the room units 10 and 20 up and down can be easily performed, and the building is constructed with the room units 10 and 20 etc. There is no loss of work. In addition, the corridor unit 30 and the living room unit 10
Since the members 3 and 13 are directly joined to each other, a strong joint having sufficient strength against a bending moment can be obtained.

Further, the direct joining makes the joining structure 1 extremely simple, so that the mass production of the corridor unit 30 and the like can be improved.

The living room unit 10 has holes 15 and 17 in the beam 12.
By simply opening the corridor, the corridor unit 30 can be joined, so that the installation location of the corridor unit 30 can be easily set, and the mass productivity of the living room unit 10 can be improved.

[0023]

The present invention is limited to the above-described embodiment.
Not including, but also including the following deformations
It is. That is, in the above-described embodiment, the fitting portion on the corridor unit 30 side was a pin, and the fitting portion on the living room unit 10 was a fitting hole. Conversely, the fitting hole was formed on the corridor unit 30 side. A pin may be provided on the living room unit 10 side.

Further, as a fitting portion, a pin 37 and a fitting hole
The cross-sectional shape is not limited to the configuration including the groove 17, and may be, for example, a configuration including a groove and a projection, or a cross-sectional shape in which both sides of the beam 12 are sandwiched and fitted from above.

The long members 31 of the corridor unit 30 and the beams 12 of the living room unit 10 are not limited to those having a U-shaped cross section, but may be, for example, those having an H-shaped cross section or a rectangular tube. Often, the specific shape and the like of the members constituting these can be appropriately selected in implementation.

The present invention can be applied not only to the corridor unit forming the outer corridor shown in the above embodiment, but also to a balcony unit extending from the outer wall portion of the building.

[0028]

As described above, according to the present invention, the overhanging floor unit can be directly joined to the frame of the building, so that the number of members required for joining is reduced, and the joining operation can be facilitated. it can.

[Brief description of the drawings]

FIG. 1 is an exploded cross-sectional view showing an embodiment of the present invention.

FIG. 2 is a view similar to FIG. 1 showing a conventional example.

[Explanation of symbols]

1 Joining structure of overhanging floor unit 10, 20 Living room unit 11, 21 as building unit Column 12 , 22, building frame of beam 12B , building frame 12B Web as mounting surface 13 , 23 as building frame Building unit frame 30 Corridor unit as overhanging floor unit 35 Contact part 37 Pin as fitting part 38 Projection piece as mounting part

Claims (1)

(57) [Scope of request for utility model registration] 1. An overhang floor unit joining structure for joining an overhang floor unit forming a floor projecting outside of a building to a frame of the building, wherein the building is formed by assembling columns and beams. A building unit having a formed framework is constructed by combining a plurality of building units, and the overhanging floor unit has a mounting portion along a substantially horizontal upward mounting surface of the beam of the building unit. a fitting portion for irregularities fitted in the mounting portion and the mounting surface vertically, the which is located below the mounting surface
An abutment portion is provided to abut on a side portion of the beam, and a building unit stacked vertically is provided as the plurality of combined building units, and a ceiling-side beam of a lower building unit among these, The joining structure of an overhanging floor unit, wherein the mounting portion of the overhanging floor unit is interposed between a beam on the floor side of a building unit above the unit.