JP2664856B2 - Cantilever mounting structure for bay window support - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique used for attaching a cantilever for supporting a bay window arranged on an outer surface side of an outer wall of a building to a structural material of the outer wall.

[0002]

2. Description of the Related Art There are two types of conventional bay windows: one that is assembled and processed while processing members on the site, and one that is mounted on the site with a bay window unit that is previously manufactured and unitized in a factory. And in the former, since the on-site construction is very difficult, the bay window is formed almost now by the latter. The latter bay window is provided with a mounting flange on the periphery of the opening at the end of the bay window unit on the outer wall side of the building, and this mounting flange is nailed or screwed on the periphery of the opening where the bay window on the outer wall of the building is to be mounted. It was fixed by a stop.

[0003]

However, the conventional unitized bay window is fixed to the periphery of the opening of the outer wall of the building by nailing or screwing, so that the mounting strength is weak and the bay window itself is not provided. Therefore, there is a problem that it is not possible to use the bay window as a part of the floor to increase the floor area.

To solve this problem, Japanese Patent Application Laid-Open No.
There is one disclosed in JP-A-133163 . In this method, a unitized bay window is arranged on the outer surface side of an outer wall of a building, a cantilever is projected from a structural material of the outer wall of the building, and the bay window is supported by the cantilever. That is, as shown in FIG. 9, the end plate 24 having the same width as the width of the cantilever 7 is integrally provided at the base end of the cantilever 7, and the end plate 24 is attached to the mounting portion 46 of the structural material 6.
, The module core 47 of the building module and one side of the cantilever 7 are brought into contact with each other, and the end plate 24 is attached to the mounting portion 46 by a plurality of (four in the conventional example) mounting screws 25. Is attached. In such a device, since the bay window is supported by the cantilever 7 protruding from the structural material 6, it can be supported without any trouble even when a large load is applied.
Since the cantilever 7 is weak against horizontal force, it is necessary to attach a horizontal brace 48 to bear the horizontal force, and there is a problem that the horizontal brace 48 becomes an obstacle. Further, the load applied to the cantilever 7 does not flow to the module core 47 to provide stable support.

The present invention has been made in view of the above problems, and an object of the present invention is to eliminate the need for a horizontal brace so that the horizontal brace does not become a hindrance, and the load from the cantilever. The present invention is to provide a cantilever mounting structure for supporting a bay window, which can flow stably to a module core to provide stable support.

[0006]

In order to achieve the above object, a cantilever mounting structure for supporting a bay window according to the present invention comprises a base end plate 24 attached to a mounting portion 46 of a structural material 6 on an outer wall 3 of a building 2. In the cantilever mounting structure for supporting the bay window 1 with the cantilever 7 protruding from the structural material 6 and supporting the bay window 1 with the cantilever 7, the end plate at the base end of the cantilever 7 24 and the width of the cantilever 7
Of the end plate 24 in one direction in the width direction of the end plate 24, and a reinforcing rib 50 is provided at a corner between a portion of the end plate 24 projecting to the side and the base of the cantilever 7. The end plate 24 is attached to the mounting portion 46 of the structural material 6 such that the approximate center of the end plate 24 corresponds to the module core 47 of the building module, and the end plate 2 is provided.
4 is fixed to the mounting portion 46 by a plurality of mounting screws 25.

[0007]

According to the above construction, since the reinforcing ribs 50 are provided at the corners between the end plate 24 and the base of the cantilever 7, the horizontal force can be sufficiently borne, and the conventional horizontal brace is provided. The horizontal brace is no longer in the way. Further, the width of the end plate 24 is increased, and the end plate 24 is attached to the mounting portion 46 of the structural material 6.
The end plate 24 is in contact with the module core 47 of the building module so that the approximate center thereof corresponds to the module core 47, and the end plate 24 is attached to the mounting portion 4 with a plurality of mounting screws 25.
By fixing the cantilever 6, the load from the cantilever 7 can flow to the module core 47, and the cantilever 7 can be stably supported.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A bay window 1 has a substantially U-shape when viewed from a plane, and is attached to an outer surface of an outer wall 3 of a building 2 so as to protrude outward from the outer wall 3. In the case of this embodiment, the bay window 1 has a second floor hanging wall bay unit 1a, a second floor sash bay window unit 1b, a second floor waist wall section and a first floor hanging wall section as shown in FIGS. Wall unit 1c
And a first-floor sash bay window unit 1d in which a first-floor sash section and a first-floor waist wall section are integrated, and the bay window 1 is assembled by arranging these vertically and continuously. .

The second-floor hanging-wall bay window unit 1a has a substantially U-shaped horizontal cross-section, and is configured by attaching face plates 11 to both sides of a frame body 10, such as glass wool between the two face plates 11. It is formed by loading a heat insulating material. At the upper part of the second-floor hanging window unit 1a, a mounting frame 12, which is a part of the frame 10, is provided so as to extend over the entire length.
The second floor hanging wall bay window unit 1a is arranged on the outer surface of the upper part of the second floor of the outer wall 3 of the building 2. A roof beam 13 is erected as a structural material on the upper part of the outer wall 3 on the second floor, and both ends of the mounting frame 12 of the hanging wall bay window unit 1a are in contact with the roof beam 13, and both ends of the mounting frame 12 are roofed. It is attached to the beam 13 via metal fittings. At the center in the width direction of the second-floor hanging wall unit 1a, the roof beam 13 to the cantilever 14
Projecting from the end of the cantilever 14 and the mounting frame 12
Is connected to the central portion by a connection fitting 15. Cantilever 1
A ceiling base material 16 is attached below the roof base material 4 and the roof beam 13, and a ceiling material 17 is stuck under the ceiling base material 16,
A decorative rim 18 is attached between the ceiling member 17 and the inner surface of the second-floor hanging window unit 1a.

The second-floor sash bay window unit 1b has a substantially U-shaped horizontal section, and is constructed by incorporating a glass screen 20 and a window glass 21 into a window frame sash 19. The second-floor sash bay window unit 1b is arranged on the outer surface side of the outer wall 3 under the second-floor hanging wall bay window unit 1a, and is a second-floor hanging wall unit 1a.
And the upper end of the second-floor sash bay window unit 1b are connected by connecting screws 22. 2nd floor sash bay window unit 1
b is connected to an upper end of a waist wall bay window unit 1c, which will be described later, by a connecting screw 22, and is connected to a second-floor sash bay window unit 1b.
Is supported by the second-floor hanging window unit 1a and the lumbar wall opening unit 1c. A decorative frame 23 is mounted around the sash bay window unit 1b on the second floor.

The waist wall bay window unit 1c has a substantially U-shaped horizontal cross-section, and is formed by attaching face plates 11 to both sides of a frame 10 like the above-mentioned second-floor hanging wall bay window unit 1a. Insulation material such as glass wool is filled in between. The side wall 4 on both sides of the waist wall bay window unit 1c is provided with a square box-shaped fitting concave portion 5 having an open back surface and an inner surface. The waist wall bay window unit 1c is arranged and attached below the sash bay window unit 1b on the outer surface side of the outer wall 3 of the building 2 below the sash bay window unit 1b. A structural member 6 made of lattice beams is provided between the second floor and the first floor of the outer wall 3 of the building 2, and the waist wall bay window unit 1c is provided.
The cantilever beam 7 is attached to the structural material 6 at a position corresponding to the side wall 4 of the first embodiment. A vertical frame material is provided on the structural material 6 such as a lattice beam at intervals between building modules, and the vertical frame material serves as a mounting portion 46. The center of the mounting portion 46 in the width direction is located at the module core 47. doing. This mounting part 46
The inside of the building 2 is reinforced by connecting a back reinforcing beam 51. An end plate 24 is provided at the base end of the cantilever 7 so as to be integral with the cantilever 7. The width of the end plate 24 is sufficiently larger than the width of the cantilever 7. The width of the conventional end plate 24 is 80 mm, which is the same as the width of the cantilever 7, but is specifically 120 mm in this embodiment. When the base end of the cantilever 7 is integrated with the end plate 24, it is integrated so as to be biased to one side in the width direction of the end plate 24 as shown in FIG. The end plate 24 has a plurality of bolt insertion holes 52 formed therein. In the case of the present embodiment, a total of six bolt insertion holes 52, three at the top and three at the bottom, are drilled. Conventional end plate 2
Four bolt insertion holes 52 were provided, two each for the upper and lower sides, for a total of four. Further, substantially triangular reinforcing ribs 50 are vertically arranged and integrated at a corner between a portion of the end plate 24 projecting to the side and the base of the cantilever 7. When the cantilever 7 is attached to the structural member 6, the end plate 24 is brought into contact with the attachment portion 46 as shown in FIGS. 3 and 7, and the substantially center of the end plate 24 in the width direction is made to correspond to the module core 47. , Bolt insertion hole 52 of end plate 24
And the mounting screw 25 composed of a bolt and a nut are inserted into the bolt insertion hole of the mounting portion 46 and fastened. By attaching the cantilever 7 in this manner, it is not necessary to attach a horizontal brace that bears a horizontal force to the cantilever 7 as in the related art, and the load from the cantilever 7 can flow to the module core 47. . This cantilever 7 is fitted into the fitting recess 5 of the waist wall bay window unit 1c as shown in FIG. 7, thereby supporting the waist wall bay window unit 1c to be mounted on the cantilever 7. Then, the upper surface 26 of the upper surface of the fitting recess 5 and the upper surface of the cantilever 7 are fastened by the fastening screw 8a as the fixing tool 8, and the lower surface 28 of the lower surface of the fitting recess 5
A tapping screw 29 is screwed into the cantilever 7 from below. When the cantilever 7 is fitted and connected to the fitting concave portion 5 in this manner, the waist wall bay window unit 1c can be directly connected to the cantilever 7 without the connection fitting, and the waist wall bay window unit 1c can be connected to the cantilever 7.
Can be supported so that the waist wall bay window unit 1c can be reliably supported. In the case of this embodiment, as shown in FIG. 8, the cantilever 7 'is attached to the structural member 6 even at a position corresponding to the center in the width direction of the waist wall bay window unit 1c, and the cantilever 7'
An L-shaped connection fitting 31 is arranged and connected between the front end of the window and the reinforcing member 30 of the waist wall bay window unit 1c. Thereby, the waist wall bay window unit 1c is more firmly attached. The upper end of the waist wall bay window unit 1c and the lower end of the sash bay window unit 1b on the second floor are connected by a connecting screw 22.
2nd floor sash bay window unit 1b at waist wall bay window unit 1c
Is supported. A floor panel 32 is mounted on the cantilevers 7, 7 'and the structural material 6, a floor finishing material 34 is stuck on the floor panel 32, and on the floor finishing material 34, the waist wall bay window unit 1c is mounted. A decorative baseboard 35 is attached along the inner surface. Under the cantilever 7, 7 'and the structural material 6, a ceiling foundation 36 is provided.
A ceiling material 37 is attached under the ceiling base 36, and a decorative rim 38 is attached between the ceiling material 37 and the inner surface of the waist wall bay window unit 1c.

The first-floor sash bay window unit 1d has a substantially U-shaped horizontal cross section, and is constructed by incorporating a glass screen 20 and a window glass 21 into a window frame sash 19. In the case of the first-floor sash bay window unit 1d, a waist wall portion 39 is integrally provided below the window frame sash 19. The first-floor sash bay window unit 1d is disposed below the waist wall bay window unit 1c on the outer surface side of the outer wall 3 of the building 2, and the lower end of the waist wall 39 of the first-floor sash bay window unit 1d is connected to the floor panel 41 on the foundation 40. Mounted on top and supported. The upper end of the first-floor sash bay window unit 1d and the lower end of the waist wall bay window unit 1c are connected by connecting screws 22. A floor finishing material 42 is stuck on the upper surface of the floor panel 41, and a decorative baseboard 43 is mounted on the inner surface side of the waist wall portion 39 on the floor finishing material 42. A decorative edge 45 is attached around the window frame sash 19 of the sash bay window unit 1d on the first floor.

[0013]

As described above, according to the present invention, the width of the end plate at the base end of the cantilever is made wider than the width of the cantilever, and the base end of the cantilever is positioned at one end in the width direction of the end plate. Since it is integrated at a biased position and a reinforcing rib is provided at the corner between the part protruding to the side of the end plate and the base of the cantilever,
It is designed to be able to bear the horizontal force by reinforcing the corners with reinforcing ribs, and does not require the installation of the horizontal brace as in the past, eliminating the obstructive parts,
Moreover, the end plate abuts on the mounting portion of the structural material such that the approximate center of the end plate corresponds to the module core of the building module, and the end plate is fixed to the mounting portion with a plurality of mounting screws. Therefore, the load from the cantilever is allowed to flow to the module core to provide stable support.

[Brief description of the drawings]

FIG. 1 is a partially omitted plan view showing a main part of the present invention.

FIGS. 2A and 2B show the cantilever according to the first embodiment, wherein FIG. 2A is a perspective view and FIG.
Is a front view.

FIG. 3 is a plan view showing an attached state of the cantilever according to the first embodiment.

FIG. 4 is a front view showing the whole building.

FIG. 5 is an exploded perspective view showing the bay window according to the first embodiment.

FIG. 6 is a side sectional view showing a bay window portion of the above.

7A and 7B show connecting portions on both sides of the waist wall bay window unit, wherein FIG. 7A is a plan sectional view and FIG. 7B is a side sectional view.

FIGS. 8A and 8B show a central connecting portion of the waist wall bay window unit, wherein FIG. 8A is a plan sectional view and FIG. 8B is a side sectional view.

FIG. 9 is a plan view illustrating a conventional example.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 1 bay window 2 building 3 outer wall 6 structural material 7 cantilever 24 end plate 25 mounting screw 46 mounting portion 50 reinforcing rib

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code Agency reference number FI Technical display location E04B 2/56 605 E04B 2/56 605J 605M 611 611B 631 631B 631C 631J 651 651A 651C 651J 651R 652 / 00 501 1/00 501C

Claims (1)

(57) [Claims] 1. A cantilever for supporting a bay window in which a cantilever is projected from a structural material by attaching a base end plate to a mounting portion of a structural material on an outer wall of a building, and a bay window is supported by the cantilever. In the beam mounting structure, the width of the end plate at the base end of the cantilever is made wider than the width of the cantilever, and the base end of the cantilever is integrated at a position biased to one of the width directions of the end plate. A reinforcing rib is provided at a corner between a side protruding portion of the end plate and a base of the cantilever, and the center of the end plate is substantially the center of the end plate at a mounting portion of the structural material. A cantilever mounting structure for supporting a bay window, wherein the cantilever is supported so as to correspond to the core and the end plate is fixed to the mounting portion with a plurality of mounting screws.