JP2002004408A - Balcony connecting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a balcony connecting structure capable of firmly supporting a balcony while assuring good operability for connection, without reducing the rate of shop fabrication of buildings. SOLUTION: A balcony body 30 is provided on the outside of a building body 20. The building body 20 is provided with a reinforcing beam 24 and the balcony body 30 is provided with a balcony support beam 34, with the reinforcing member 24 and the balcony support beam 34 being located on approximately the same straight line. At the tip of the reinforcing beam 24 a mounting member 25 is mounted to a sidewall of the building body 20 and is connected to the end portion of the support beam 34 by means of fixtures 27 to thereby connect the balcony body 30 to the building body 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a balcony connection structure, and more particularly to a balcony connection structure suitable for externally attaching a balcony projecting from a building to a main body of a building such as a steel frame apartment house.

[0002]

2. Description of the Related Art A unit building is a type of building in which one building is divided into several units in advance and produced in a factory, and these are constructed and assembled at a construction site. The units are installed on a foundation and connected together, and then the balcony units are connected next to the building units. For the connection of the balcony unit to the steel building unit,
For example, a connection structure described in JP-A-7-259178 and a connection method described in JP-A-1-43635 are known.

In the former connection structure of a balcony unit described in Japanese Patent Application Laid-Open No. 7-259178, as shown in FIG. 15, a balcony support beam 32e substantially perpendicular to an outer wall 21e of a building body 20e is attached to a balcony unit 31e of the balcony body 30e. And the building main body 20e is located on the same straight line as the balcony support beam 32e.
Is provided with a reinforcing beam 25e, and one end 26 of the reinforcing beam 25e is provided.
e and the end 36e of the balcony support beam 32e are
2e through a through hole 27e formed in the web 22e. Connected by a nut, the other end 28e of the reinforcing beam 25e
Is fixed to another girder 23e.

In this balcony connection structure, the end 36e of the balcony support beam 32e is connected to the girder 22 of the building body 20e.
e, through the through hole 27e, the reinforcing beam 25 disposed inside the through hole 27e.
e, it is as if one beam penetrates through the through hole 27e of the girder 22e of the building body 20e, reducing the shear bending moment acting on the girder 22e. There is no possibility that twisting (rolling) occurs in 22e.

The method of connecting balconies described in Japanese Patent Application Laid-Open No. Hei 1-343635 discloses a method of connecting a pair of left and right mounting members 1 having a plurality of holes 12a to 12c as shown in FIG.
0e is provided on the building body 2e side, and the balcony unit 31 is provided.
The holes 12a to 12e of the mounting member 10e
A hole 301 corresponding to the hole 12c is provided, the balcony unit 31e is lifted, the lowermost hole 12a is aligned with the hole 301, and the balcony unit 31e is tilted to form another hole 12e.
A bolt is inserted and connected so that b and 12c and the hole 301 are aligned.

[0006]

However, in the former connection structure, the reinforcing beam 25e and the balcony supporting beam 32 are not provided.
In order to connect e, work holes are required on the floor or ceiling inside the building, and there is a problem in industrialized houses, especially in the unit construction method, that the factory production rate of the unit building decreases. Also, the reinforcing beam 25e and the balcony supporting beam 3
2e is connected to the girder 22e of the building main body 20e, and connection work from outside is performed through the outer wall layer, so that a sufficient work space cannot be secured, and workability during construction is poor. .

In the latter connection method, when a bolt is inserted and connected, the hole diameter is 1 to 2 times the bolt diameter.
mm, the parts may be displaced after the connection.Therefore, using a high-tensile bolt, the members of the connection part are strongly tightened to generate frictional force due to frictional joining. It is necessary to firmly support the balcony unit by the frictional force between the members. There is a problem that the use of the high tension bolt increases the cost.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and provides a balcony connection structure that does not lower the factory production rate of a building, has good connection workability, and can firmly support the balcony. It is an object.

[0009]

According to a first aspect of the present invention, there is provided a balcony body protruding outside a building body, the balcony body being substantially perpendicular to an outer wall. Balcony connection structure in which a reinforcing beam is provided, a balcony supporting beam is provided on the balcony body in the protruding direction, and the reinforcing beam of the building body and the balcony supporting beam are mounted so as to be positioned substantially on the same straight line. At the end of the reinforcing beam of the building body, a mounting member is attached to the side wall on the balcony mounting side of the building body, and this mounting member and the tip of the balcony supporting beam of the balcony body on the building body side are connected by a fixture. And a balcony body connected to the building body.

The balcony in the present invention includes a veranda, an outer corridor, etc. in addition to a normal balcony.

According to a second aspect of the present invention, in the first aspect of the present invention, the connecting portion of the fixing member with the fixture is located outside the building body.

According to a third aspect of the present invention, in a connection structure for a balcony in which a building body and a balcony body are connected, a bolt is provided as a fixture for fixing the building body and the balcony body, and a screw portion of the bolt and a head are provided. A tapered part is provided between the part and the screw part so that the side of the screw part becomes thinner.

[0013] In the first aspect of the present invention, the mounting member may be mounted at any suitable location as long as the reinforcing beam of the building body and the balcony supporting beam are located on substantially the same straight line. Of the square-shaped floor beams of the building main body, both ends of two opposing floor beams may be used, or two reinforcing floor beams between two opposing floor beams of the building main body. Is provided in parallel with, where the reinforcing beam and the balcony support beam are located on substantially the same straight line,
The floor beam of the building body on the side to which the balcony unit of the other two floor beams is attached may be used.

(Function) According to the first aspect of the present invention, a mounting member is attached to the side wall of the building body on the balcony mounting side at the tip of the reinforcing beam of the building body, and the mounting member and the balcony support beam of the balcony body are attached. Since the front end of the main body can be connected to the main body side by a fixture, the reinforcing beam of the building main body and the balcony supporting beam of the balcony main body are connected to each other via the mounting member, so that the building main body can be connected. We can attach balcony body well,
There is no need to drill holes for connecting the reinforcing beams and support beams on the floor or ceiling inside the building, eliminating the need to drill holes for connections at the factory and lowering the factory production rate of the building. Absent.

According to the second aspect of the present invention, since the connecting point of the fixing member with the fixture is located outside the building body,
When connecting the balcony support beam of the balcony body to the mounting member, a space can be secured outside the building body, the mounting work can be easily performed, and the workability is good.

According to the third aspect of the present invention, a bolt is provided as a fixture for fixing the main body of the building and the main body of the balcony, and a tapered portion is provided between the threaded portion of the bolt and the head such that the threaded portion becomes thinner. This allows the tapered part to fit exactly into the hole through which the bolts of the balcony connection structure are inserted, and to firmly support the building and the balcony, increasing costs without using high-strength bolts. Can be avoided.

[0017]

FIG. 1 shows a first embodiment of the present invention.
This will be described in detail with reference to FIG. FIG. 1 is an exploded perspective view of a building body and a balcony body, FIG. 2 is a top view of a connecting portion, FIG. 3 is a sectional view taken along line XX of FIG. 2, and FIG. , (A) is a front view, (b) is a top view,
(C) is a side view, (d) is a cross-sectional view taken along the line AA of (a),
(E) is a sectional view taken along the line BB of (A).

As shown in FIG. 1, this balcony connection structure A is provided with a balcony body 30 projecting outside the building body 20. The building body 20 is configured by sequentially assembling building units having a rectangular parallelepiped shape in the vertical, horizontal, and height directions, and has a framework made of a steel frame or a steel material.

That is, the building unit has four supporting columns 22 at the four corners.
And a C-shaped steel floor girder 23 connecting the lower ends of the support columns 22
A ceiling panel (not shown) connecting the upper ends of the support pillars 22; an outer wall 21 mounted between the support pillars 22; and a reinforcing steel beam of square steel mounted substantially orthogonally to the outer wall 21 on the balcony mounting side. 24 and other members (not shown)
It is composed of A plurality of reinforcing beams 24 are provided between the opposing floor girders 23, and a mounting member 25 is attached to the side of the balcony girders 23 of the floor girders 23 at the tip of the reinforcing beams 24.

The balcony body 30 comprises a handrail 31, a balcony beam 33 made of C-shaped steel, a plurality of balcony support beams 34 between the floor beams 33 projecting in the opposite direction and in parallel with the floor beam 33, (Not shown). A plurality of the balcony support beams 34 are made of square steel, and are provided between the opposing floor girders 33 corresponding to the reinforcing beams 24. The tip end of the balcony support beam 34 on the building main body mounting side is slightly protruded from the side wall of the floor girder 33 toward the building main body 20. Balcony support beams 34 are reinforced beams 24
Are located on substantially the same straight line.

As shown in FIG. 4, the mounting member 25 is provided on a front plate 251, a side plate 252 provided substantially orthogonal to both sides of the front plate 251, and an upper end between the both side plates 252. Upper reinforcement plate 2
53, a lower reinforcing plate 254 provided at the lower end between the both side plates 252 at an angle, and a front plate 25
And a reinforcing plate 255 provided between the two side plates 252 in contact with the front plate 251 at the upper end of the first plate 251. The mounting member 25 includes a front plate 251.
, The central portion of the reinforcing plate 255, the central portion of the lower end of the front plate 251, and the side plates 25
2 are provided with bolt holes 256 at the upper end and the lower end.

As shown in FIGS. 2 and 3, a mounting hole 26 formed in the side wall of the building main body 20 on the balcony mounting side of the floor girder 23, an upper end portion of the front plate 251 of the mounting member 25, and a reinforcing plate 255 are provided. The high tension bolt 257 is inserted into the bolt hole 256 drilled and tightened with a nut, and the mounting member 25 is mounted on the floor girder 23.

The mounting member 25 is connected to the tip of the balcony supporting beam 34 of the balcony main body 30 on the building main body mounting side by a fixture 27. The fixing device 27 includes a fixing plate 271, high tension bolts 272, and fixing nuts 273.

When assembling the balcony body 30 to the building body 20 side, C-shaped members 28 are attached to both ends of the reinforcing beams 24 at the stage of assembling the building units on the lower floor in advance, and the reinforcing beams 24 are attached to the floor girders 23. One end of the reinforcing beam 24 is attached to the floor girders 23 on the back side with bolts 257 and nuts. The other end of the reinforcing beam 24, the floor girders 23 on the balcony mounting side, and the front plate 251 of the mounting member 25. Then, a bolt 257 is inserted into the bolt hole 256 of the reinforcing plate 255 and tightened with a nut.
And the mounting member 25 are mounted.

Next, the side plate 252 of the mounting member 25
And the tip of the balcony support beam 34 on the building body mounting side, and the side plate 252 and the balcony support beam 3
Fixing plate 271 outside the tip of the building body mounting side 4
Then, the bolt holes 256 of the side plate 252 and the bolt holes 274 of the fixing plate 271 are aligned, the fixing bolt (high tension) 272 is inserted, and the bolt is tightened with the fixing nut 273 to attach the balcony support beam 34 to the mounting member 25.

Next, when the assembling of the balcony main body 30 is completed, the building units on the upper floor are placed and connected, and this is sequentially repeated to complete the building main body 20.

In this way, the mounting member 25 is attached to the side wall of the building body 20 on the balcony mounting side beyond the reinforcing beam 24 of the building body 20, and the mounting member 25 and the support beam 34 of the balcony body 30 are attached to the building. Since the end of the main body 20 can be connected with the fixture 27, the reinforcing beam 24 of the building main body 20 and the balcony support beam 34 of the balcony main body 30 are connected via the mounting member 25. By doing so, it is possible to securely attach the balcony body 30 to the building body 20, and it is not necessary to make a hole for connecting the reinforcing beam 24 and the supporting beam 34 to the floor or ceiling inside the building, and This eliminates the need for drilling holes for connection, and does not lower the rate of unit factory production.

Next, a second embodiment of the present invention will be described in detail with reference to FIGS. 5 is an explanatory top view of the connecting portion, FIG. 6 is an explanatory sectional view taken along line YY of FIG. 5, FIG. 7 is an explanatory view of the mounting member, (a) is a front view, (b) is a top view, (C) is a side view.

The second embodiment differs from the first embodiment only in the shape of the reinforcing beam of the building body and the shape of the supporting beam of the balcony body (H-shaped steel instead of square steel) and the shape of the mounting member. Only the differences will be described below. Other structures and functions are almost the same as those of the first embodiment, and the description of the structure and functions is omitted.

The building body (not shown) is made up of a building unit having a rectangular parallelepiped shape. The building unit includes a support column (not shown), a floor girder 23a, a ceiling beam (not shown), and an outer wall (not shown) attached between the support columns.
And an H-shaped steel reinforcing beam 24a mounted substantially orthogonally to the outer wall on the balcony mounting side, and other members (not shown) (see FIG. 5). Reinforcement beam 24a
Are provided between the opposing floor girders 23a, and an attachment member 25a is attached to the side wall of the balcony girder side of the floor girders 23a beyond the reinforcing beams 24a.

The balcony body (not shown) includes a handrail,
It comprises a balcony floor girder made of C-shaped steel, a plurality of balcony support beams 34a in parallel with the floor girder between floor girder beams in opposite protruding directions, and a floor plate. A plurality of the balcony support beams 34a are provided between opposing floor girders corresponding to the reinforcing beams 24a. The tip of the balcony support beam 34a on the building main body mounting side is slightly protruded from the side wall of the floor girder toward the building main body. The balcony support beam 34a is positioned substantially on the same straight line as the reinforcing beam 24a.

As shown in FIG. 5, the mounting member 25a includes a front plate 251a, and a side plate 25 provided substantially orthogonal to the upper and lower ends of the front plate 251a.
2a, and upper and lower side plates 2 substantially in the center
52a.
The mounting member 25a is provided with three bolts at each end of the front plate 251a, two bolts at the end of the side plate 252a, and two bolt holes 256a at the center of the reinforcing plate 253a. . Side plate 2
Two bolt holes 256a at the tip of 52a and two bolt holes 256a at the center of the reinforcing plate 253a are located outside the floor girders 23a of the building unit.

As shown in FIGS. 5 and 6, a mounting hole 26a is formed in the side wall of the main building floor 23a on the balcony mounting side, and a bolt hole is formed in both ends of the front plate 251a of the mounting member 25a. Bolt 257 is inserted into 256a and tightened with a nut, and mounting member 25a is mounted on floor girder 23a.

The fixing member 27 connects the mounting member 25a and the tip of the balcony supporting beam 34a of the balcony body on the building body mounting side. The fixture 27 includes a fixing plate 271, bolts 272, and nuts 273.

When assembling the balcony body to the building body side, the reinforcing beam 24a is passed between the floor girders 23a when the building unit on the lower floor is assembled in advance.
a is attached to the back floor girders 23a with bolts 257 and nuts, and the other end of the reinforcing beam 24a, the floor girders 23a on the balcony mounting side, and the bolt holes 256a of the front plate 251a of the mounting member 25a. The reinforcing beam 24a and the mounting member 25a are mounted on the floor girders 23a by inserting the 257 and tightening with a nut.

Next, the side plate 25 of the mounting member 25a
2a and the tip end of the balcony support beam 34a on the building body attachment side, and the fixing plate 271 is brought into contact with the side plate 252a on the outside of the tip end of the balcony support beam 34a on the building body attachment side, and the bolt hole of the side plate 252a is formed. The 256a and the bolt hole 274 of the fixing plate 271 are aligned, the bolt 272 is inserted, and the nut 273 is tightened to attach the balcony support beam 34a to the attachment member 25a.

Next, when the assembling of the balcony body is completed, the building units on the upper floor are placed and connected, and this is sequentially repeated to complete the building body.

With this arrangement, in addition to the operation of the first embodiment, the connection point of the mounting member 25a with the fixture 27 is located outside the building main body. When connecting the beams 34a, a space can be secured outside the building main body, the mounting work can be easily performed, and the workability is good.

Next, a third embodiment of the present invention will be described with reference to FIGS.
It will be described in detail based on. FIG. 8 is an explanatory top view of the connecting portion, and FIG.
10 is an explanatory view taken along the line ZZ of FIG. 8, FIG. 10 is an explanatory view of the mounting member, (a) is a front view, (b) is a top view, and (c) is a side view.

The third embodiment differs from the second embodiment only in the shape of the mounting member, and only the differences will be described below. Other structures and operations are almost the same as those of the second embodiment, and a description of the structures and operations will be omitted.

As shown in FIG. 8, the mounting member 25b includes a front plate 251b and a reinforcing plate 25 provided substantially orthogonally to the upper and lower ends of the front plate 251b.
3b and reinforcing plates 2 at the upper end and the lower end substantially in the center
Another reinforcing plate 253c connecting the first reinforcing plate 53b, a side plate 252b provided at the other end of the reinforcing plate 253b facing the front plate 251b, and a side plate 252b of the upper end reinforcing plate 253b are provided in contact with the side plate 252b. And a lower protruding piece 258 which is provided substantially below the central portion of the lower end reinforcing plate 253b.

The front plate 2 is attached to the mounting member 25b.
51b, two at the both ends of the reinforcing plate 253b, two at the end on the side plate 252b side of the reinforcing plate 253b at the upper end, and the reinforcing plate 2 contacting the reinforcing plate 253b.
Two bolt holes 256b are provided at substantially the center of 55b, one at the top and one at the bottom of the side plate 252b, and one at each end of the lower protruding piece 258. Two bolt holes 256b are formed at the upper end of the reinforcing plate 253b on the side of the side plate 252b so as to be located outside the floor girders 23b of the building unit.

As shown in FIGS. 8 and 9, mounting holes 26b are formed in the side wall of the main building floor 23b on the balcony mounting side, and bolt holes are formed in both ends of the front plate 251b of the mounting member 25b. A bolt 257 is inserted into 256a and tightened with a nut, and a mounting member 25b is mounted on the floor girder 23b. As shown in FIG. 9, the floor material 6 is laid on the floor girders 23b at both ends, and the outer wall 21 is provided above the mounting member 25b outside the floor girders 23b.

The fixing member 27 connects the mounting member 25b to the tip of the balcony supporting beam 34b of the balcony body on the building body mounting side. The fixture 27 includes a fixing plate 271, bolts 272, and nuts 273. Further, a lower protruding piece 258 is provided to hang down substantially below the center of the reinforcing plate 253b at the lower end.
The balcony mounting side at the lower end of the C-shaped steel beam girder 23b is provided at a position where it can contact the lower protruding piece 258.

When assembling the balcony body to the building body side, the reinforcing beams 24b are passed between the floor girders 23b when the building units on the lower floor are assembled in advance.
b is attached to the back floor girders 23b with bolts and nuts, the other end of the reinforcing beams 24b, the balcony girders 23b, and the front plate 251 of the mounting member 25b.
The bolt 257 is inserted into the bolt hole 256b of b, and tightened with a nut to attach the reinforcing beam 24b and the mounting member 25b to the large floor beam 23b.

Next, the reinforcing plate 25 of the mounting member 25b
3b and the tip of the balcony support beam 34b on the building body attachment side, and the fixing plate 271 is brought into contact with the reinforcing plate 253b and the outside of the tip of the balcony support beam 34b on the building body attachment side, and the bolt hole of the reinforcement plate 253b is formed. 256a and the bolt hole 274 of the fixing plate 271 are aligned, the fixing bolt 272 is inserted, and the nut 273 is tightened to attach the balcony support beam 34b to the attachment member 25b.

Further, the balcony mounting side of the lower end of the C-shaped steel beam girder 23b is brought into contact with the lower protruding piece 258 of the mounting member 25b, and is opened to the lower end of the beam girder 23b and the lower protruding piece 258. A bolt 257 is inserted into the bolt hole 256a provided, and the bolt 257 is tightened with a nut to attach the lower protruding piece 258 of the mounting member 25b to the lower end of the floor girder 23b.

Next, when the assembling of the balcony body is completed, the building units on the upper floor are placed and connected, and this is sequentially repeated to complete the building body.

In this manner, in addition to the operation of the first and second embodiments, the balcony mounting side of the lower end of the C-shaped steel beam girder 23b is attached to the lower projecting piece 258 of the mounting member 25b.
, Through the mounting member 25b,
The balcony support beams 34b of the balcony body can be more strongly attached to the floor girders 23b of the building body.

Next, a fourth embodiment of the present invention will be described with reference to FIGS.
4 will be described in detail. 11 is an exploded perspective view of a building body and a balcony body, FIG. 12 is an exploded perspective view of a fixture, FIG. 13 is an explanatory view of a main part, and FIG. 14A is a cross-sectional view of another fixture. (B) is a top view of another fixture.

The fourth embodiment is different from the first embodiment only in the shape of the mounting member and the position where the mounting member is mounted on the building main body and the balcony main body. Only the differences will be described below. Other structures and functions are almost the same as those of the first embodiment, and the description of the structure and functions is omitted.

The building body 20 is composed of building units formed in a rectangular parallelepiped. Building unit is support column 2
2a, a floor girder 23c, a ceiling beam (not shown), an outer wall (not shown) attached between the support columns, and an H-beam reinforcing beam (almost perpendicularly attached to the outer wall on the balcony installation side) (Not shown) and other members (not shown) (see FIG. 11).

The balcony body 30 is composed of a handrail, a balcony beam 33a made of C-shaped steel, a plurality of balcony support beams 34c between the floor beams in the protruding direction and in parallel with the floor beam, and a floor plate. Have been.

As shown in FIG. 12, the square fixing tool 5 is made of steel, and has a mounting tool 51, a mounting piece 52, and two bolts 53.
It consists of The attachment 51 is composed of the first small piece 51a and the second piece 51a.
An end portion of a substantially rectangular small piece 51c is attached to a lower end of an L-shaped member made of a small piece 51b substantially orthogonal to the small piece.

The first small piece 51a and the second small piece 51b are provided with three holes in the vertical direction substantially at the center. FIG.
As shown in FIG.
A tapered portion having a shape corresponding to the tapered portion (described later) 54 is provided. The first small piece 51 is attached to the mounting piece 52.
a or three holes are provided in the longitudinal direction at the end on the side that comes into contact with the second small piece 51b. As shown in FIG.
Of the three holes, upper and lower holes are provided with female screws corresponding to male screws (described later) of the bolt 53. The bolt 53 is provided with a head portion, a male screw portion, and a tapered portion 54 between the head portion and the male screw portion such that the male screw portion becomes thinner.

Of the two support pillars 22a on the balcony body mounting side of the building body, the mounting member 5 is provided at the corner of the support pillar 22a where the support pillar 22a and the floor girder 23c intersect.
One second piece 51b is welded, and the other support pillar 22a
The first small piece 51a of the fixture 51 is welded to the position where the support column 22a and the floor girder 23c intersect.

The balcony floor girders 3 of the balcony body 30
3a, the upper and lower holes of the mounting piece 52 and the first small piece 51a or the second small piece 5 are provided at both ends on the building body mounting side of the two balcony floor girders 33a substantially orthogonal to the outer wall of the building body.
The mounting piece 52 is welded so that the upper and lower holes 1b can be aligned.

In order to assemble this balcony body on the building body side, the support pillar 2
The fixture 51 is attached to 2a and the attachment piece 52 is attached to the balcony beam 33a of the balcony unit with high accuracy, and transported to the construction site.

At the stage of assembling the lower-floor building unit at the construction site, the balcony unit is lifted, and one of the mounting pieces 52 of the balcony unit is attached to the mounting fixture 5 attached to the support pillar 22a at the corner of the building unit.
The first small piece 51a contacts the upper and lower holes of the first small piece 51a and the upper and lower holes of the mounting piece 52, bolts 53 are screwed into these holes, and the tapered portion 54 of the bolt 53 is connected to the first small piece. The fittings 51 attached to the support pillars 22a and the attachment pieces 52 attached to the balcony floor girders 33a are firmly tightened while being exactly fitted to the tapered portion of the 51a.

The bolt 53 is brought into contact with the second small piece 51b of the fixture 51 attached to the other support pillar 22a of the building unit, and the upper and lower holes of the second small piece 51b and the upper and lower holes of the mounting piece 52 are aligned. Are screwed into these holes, and while the tapered portion 54 of the bolt 53 is exactly aligned with the tapered portion of the first small piece 51a, the mounting piece 51 mounted on the support pillar 22a and the mounting piece mounted on the balcony floor girders 33a 52 and tighten it.

Thus, the balcony body 30 is securely attached to the building body 20.

Next, when the assembling of the balcony body is completed, the building units on the upper floor are placed and connected, and this is sequentially repeated to complete the building body.

In this manner, the bolts 53 are used as the rectangular fixtures 5 for fixing the building body 20 and the balcony body 30.
And a tapered portion 54 is provided between the threaded portion of the bolt 53 and the head so that the threaded portion becomes thinner. Into the center of the bolt
The taper portion 54 between the screw portion 3 and the head portion is attached to the fixture 51.
By fitting the building main body 20 and the balcony main body 30 through the fittings 51 so as to fit into the holes of the first small piece 51a or the second small piece 51b, the bolt 53
And the fixtures 51 are strongly tightened to generate a frictional force by frictional joining, and the frictional force can firmly support the balcony body 30 on the building body 20 without using high tension bolts, thereby increasing the cost. Can be avoided.

Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and there are design changes and the like that do not depart from the gist of the present invention. Is also included in the present invention. For example, in the above embodiment, the case where the external body is a balcony has been described, but the external body may be an external corridor.

Further, in the fourth embodiment, the attachment piece 52 is attached to the end of the balcony beam girder 33a of the balcony body 30, but the balcony support beam of the balcony body 30 may be used, and the shape of the balcony support beam is square. Steel 3
4d, the shape of the square fixture 5a is
It may be a rectangular fixture 5a as shown in FIG.

[0066]

As described above, according to the first aspect of the present invention, the mounting member is attached to the side wall on the balcony mounting side of the building main body at the tip of the reinforcing beam of the building main body. Since the supporting beam and the tip of the building body side can be connected with the fixture, by connecting the reinforcing beam of the building body and the supporting beam of the balcony body via the mounting member, The balcony body can be securely attached to the building body, and there is no need to drill holes for connecting the reinforcing beams and support beams on the floor or ceiling inside the building. It does not reduce the rate of factory production of buildings.

According to the second aspect of the present invention, since the connecting point of the fixing member with the fixture is located outside the building body,
When connecting the support beam of the balcony body to the mounting member,
Space can be secured outside the building body, installation work can be easily performed, and workability is good.

According to the third aspect of the present invention, a bolt is provided as a fixture for fixing the building main body and the balcony main body, and the tapered portion between the screw portion and the head portion of the bolt is such that the side of the screw portion becomes thinner. Is provided, the building main body and the balcony main body can be firmly supported, and a cost increase can be avoided without using high-strength bolts.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a building body and a balcony body.

FIG. 2 is an explanatory top view of a connection part.

FIG. 3 is an explanatory sectional view taken along line XX of FIG. 2;

FIG. 4 is an explanatory view of a mounting member, (A) is a front view, (B)
Is a top view, (c) is a side view, (d) is a cross-sectional view taken along the line AA of (a), and (e) is a cross-sectional view taken along the line BB of (a).

FIG. 5 is an explanatory top view of a connection portion.

FIG. 6 is an explanatory sectional view taken along line YY of FIG. 5;

FIG. 7 is an explanatory view of a mounting member, (A) is a front view, (B) is a top view, and (C) is a side view.

FIG. 8 is an explanatory top view of a connection portion.

FIG. 9 is an explanatory cross-sectional view taken along line ZZ of FIG. 8;

FIG. 10 is an explanatory view of a mounting member, (a) is a front view,
(B) is a top view, and (c) is a side view. (It is a sectional side view showing an example of a conventional balcony support structure.)

FIG. 11 is an exploded perspective view of a building body and a balcony body.

FIG. 12 is an explanatory exploded perspective view of a fixture.

FIG. 13 is an explanatory diagram of a main part.

14A is a cross-sectional view of another fixing device, and FIG. 14B is a top view of another fixing device.

FIG. 15 is a side view showing a conventional balcony connection structure.

FIG. 16 is a side view showing a conventional balcony connection method.

[Explanation of symbols]

A Balcony connection structure 10e Mounting member 20, 20e, 10e Building body 21 Outer wall 24, 24a Reinforcement beam 25, 25a, 25b Mounting member 27 Fixture 30 Balcony body 34, 34a, 34c, 34d Balcony support beam 5 Square fixture 51 Mounting tool 52 Mounting piece 53 Bolt 54 Tapered part

Claims (3)

[Claims] 1. A balcony body is provided so as to protrude outside the building body, a reinforcing beam is provided on the building body substantially orthogonal to an outer wall, and a balcony supporting beam is provided on the balcony body in a protruding direction. A connection structure for a balcony in which the reinforcing beam of the building body and the balcony supporting beam are mounted so as to be positioned on substantially the same straight line. A connection structure for a balcony, characterized in that a mounting member is attached to the building body, the mounting member is connected to a tip end of the balcony support beam on the building body side by a fixture, and the balcony body is connected to the building body. 2. The connection structure for a balcony according to claim 1, wherein a connection point of the fixing member with the fixing member is located outside the building body. 3. A connection structure for a balcony in which a building main body and a balcony main body are connected to each other, wherein a bolt is provided as a fixture for fixing the building main body and the balcony main body, and a screw is provided between a screw portion of the bolt and a head. A connection structure for a balcony, characterized in that a tapered portion is provided so that the portion becomes thinner.