JP2000087445A - Entrance eaves - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide vestibule eaves that impart a sense of luxury to a building by securing a deep column-free space in front of a vestibule, and that harmonize well with the appearance of a building main body. SOLUTION: The exterior wall of a second-story portion 22 above a first- story portion 21 provided with the vestibule of a building is made to overhang outward beyond the exterior wall of the first-story portion 21 to form an overhanging portion 2 in front of the vestibule. Vestibule eaves 1 are mounted on the underside of the overhanging portion 2 and the end of the vestibule eaves 1 is made to overhang further outward beyond the overhanging portion 2 to secure a column-free space under the vestibule eaves 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an entrance eave provided at the entrance of a building such as a house.

[0002]

2. Description of the Related Art Entrance eaves provided at the entrance of a building such as a house are usually installed so as to protrude outward from the outer wall of the first floor where the entrance is provided. When increasing the eaves dimension of the eaves of the entrance eaves, the load on the eaves is supported by erecting pillars at the eaves or hanging the eaves diagonally from the upper part of the outer wall. ing.

[0003]

However, according to the entrance eaves that support the pillars by standing on the eaves, the pillars standing on the eaves tend to make the space in front of the entrance cramped and hinder entry and exit. there were. This effect was particularly significant when the site was small and there was little room in front of the entrance.

[0004] Further, according to the entrance eaves in which the eaves are suspended obliquely from the upper part of the outer wall, members such as suspension materials may give a sense of incongruity to the appearance of the building, and may damage the design around the entrance of the building. .

The present invention has been made in view of the above circumstances, and provides a high-class feeling to a building by securing a deep pillar-free space in front of the entrance, and a front entrance eave which is well harmonized with the appearance of the building body. It is intended to provide.

[0006]

An entrance eave of the present invention is attached to a lower side of an overhang portion of an outer wall provided above the outside of the entrance, and its eaves protrude further outward than the overhang portion. It is characterized by having been done.

That is, the outer wall of the second floor above the outer floor of the first floor where the entrance of the building is provided extends outward to form an overhang portion in front of the entrance and the lower side of the overhang portion. Attach the entrance eaves to
By extending the eaves of the entrance eave further outward than the overhang portion, a column-free space is secured below the entrance eave. A space is created in front of the entrance that has the depth of the overhang and the overhang of the entrance eave that extends further from the overhang. A classy feeling can be given to the previous atmosphere.

Further, since the entrance eaves are attached to the lower side of the overhang portion, they are externally integrated with the design of the building main body, which is mainly impressed by the outer wall, thereby improving the design of the whole building.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a plan view of an entrance of a building provided with an entrance eave 1 of the present invention. A concave portion 21a is formed in the first floor portion 21 of the building shown by oblique lines, and the second floor portion 22 of the building whose outer wall line is shown by the two-dot chain line is the concave portion 2a.
The overhang portion 2 is formed by overhanging the portion 1a. The overhang portion 2 is provided with a frame reference core N
It is provided on a construction surface composed of a plurality of second-floor floor beams 23a, 23b, 23c and 23d arranged along 1, N2, N3 and N4, respectively.

As shown in FIG. 3, the entrance eaves 1 are mounted along the lower side of the overhang portion 2, and the eaves protrude outside the overhang portion 2.

The entrance eave 1 is formed by using a rectangular eave frame 10 pre-assembled as shown in FIG. 2 as a framework, and applying a waterproof and drainage finish to the surface and eaves. The eaves frame 10 includes a pair of eaves support beams 11, 11 arranged along the direction in which the entrance eaves 1 project.
And connecting materials 12a, 12b, 12c,
12d and 12e. The eave support beam 11 is made of a lightweight square steel pipe having a square cross section or a lightweight steel section having a grooved or lip grooved cross section, and each of the connecting members 12a, 12b,
Are made of lightweight section steel having a grooved or lip grooved cross section and are welded with their bottoms aligned.

The eaves frame 10 has a plurality of support points 31 and 3 indicated by ● marks and ▼ marks in FIGS.
In 2, it is joined to the lower side of the second floor beams 23a and 23b.

FIG. 4 is a sectional view showing the mounting structure of the entrance eave 1 near the section AA in FIGS. 1 and 2.

At the positions of the frame reference cores N1 and N2, second-floor floor beams 23a and 23b made of H-section steel are erected in parallel to the frontage of the entrance, and a part of the support structure of the overhang portion 2 is provided. Has formed. 2nd floor beam 23 located at frame reference core N2
An outer wall panel 24 constituting the outer wall of the first floor portion 21 is erected outside b, and an outer wall panel constituting the outer wall of the second floor portion 22 is disposed outside the second floor beam 23a located at the frame reference core N1. 24 are built.

On the other hand, a joint fitting 40 and a joint plate 50 are attached to the eaves frame 10 at the positions of the support points 31 and 32, respectively.

The joint fitting 40 is made of steel and includes an upright plate 41 which stands upright perpendicular to the cross shape of the cross section, and a top plate 42 and a bottom plate 43 provided on the upper and lower surfaces thereof. The bottom plate 43 is fixed in advance by welding to a predetermined position on the upper surface of the eaves support beam 11, and the top plate 42 is bolted on site to the lower side of the second floor beam 23a located at the frame reference core N1.

The joint plate 50 is formed by bending a steel plate into a substantially L-shape. One end of the joint plate 50 is bolted to a connecting member 12c disposed closest to the building of the eaves frame 10, and the other end is connected to a bolt. It is bolted to the lower side of the second floor beam 23b located at the frame reference core N2 so as to get over the outer wall panel 24 of the first floor portion 21.

A waterproof panel 61 made of plywood having an aluminum plate adhered to the surface thereof is laid on a portion of the upper surface of the eaves frame 10 which protrudes outside the overhang portion 2. The waterproof panel 61 is laid over the upper surfaces of the connecting members 12a and 12b whose member heights are made smaller on the eaves side, so that a water gradient is formed on the surface toward the eaves.

The projecting portions of the connecting members 12d located on both sides of the eaves frame 10 are covered with a cap 62 formed by processing an aluminum plate. The lower end of the outer wall panel 24 of the second floor portion 22 and the waterproof panel 61
The gap formed between the siding 64 and the cap 62 is waterproofed by a siding 64 and a lotion drain 65 attached via a siding support plate 63.

An eaves purlin 71 is attached to the side of the connecting member 12a closest to the eaves, and a nose cover unit 73 incorporating an eaves gutter 72 is attached outside the eaves purlin 71. In addition, a field edge 74 is attached to the lower surface of the connection member 12 c closest to the building, and a field edge 75 is provided between the field edge 74 and the eaves front purlin 71. Then, the eaves lining siding 76 is affixed with the field edge 75 as a base, so that the eaves lining of the entrance eave 1 is decorated.

In this way, the entrance eave 1 which extends further outward from the underhang portion 2 of the building is attached, thereby securing a deep column-free space in front of the entrance. Since no other supporting members or the like appear below and above the eaves of the entrance eave 1, the front of the entrance becomes an open and luxurious space.

Further, since the entrance eaves 1 are formed to be thin with a frame made of lightweight section steel, the entrance eaves 1 have a flat and light impression structure, and are well integrated with the lower side of the overhang portion 2 of the building. At the same time, the eave height of the entrance eave 1 is sufficiently secured. Nose cover unit 7 that impresses the design of the eaves
If the eaves 3 and the eaves siding 76 are selected in consideration of the material texture and color tone, the entrance eaves 1 can be further harmonized with the exterior design of the building body.

Further, in the entrance eave 1, the eave support beam 11 is suspended and fixed below the second floor beam 23a located at the frame reference core N1, and the edge of the eave support beam 11 on the building side. The joint plate 50 prevents the portion from jumping up. And these two support points 31, 3
2, an interval corresponding to the overhang dimension of the overhang portion 2 is provided.
For example, compared to an eave or the like in which only the edge is fixed to the frame and protruded in a completely cantilever shape, the structure is well balanced.

At the same time, the load on the structural members such as the second floor beams 23a, 23b,... Constituting the supporting structure of the overhang portion 2 is small, which is advantageous for the bending of the structural material in the overhang portion 2. Become. Therefore, even for the building body provided with the overhang portion 2, there is no need to select a member having a particularly large cross section in the structural design, which is economical.

In this embodiment, the overhang portion 2 of the building has an overhang of 0.5 m to 1 m.
The overhang dimension of the entrance eaves 1 is illustrated assuming about 1 m to 1.5 m, but the overhang dimensions are members such as the second floor floor beams 23a, 23b,. It can be set arbitrarily as long as the cross section does not become extremely large.

The entrance eave 1 of the present invention is not limited to the above-described type in which the first floor portion 21 is provided with the concave portion 21a and extends over the concave portion 21a, for example, as shown in FIG. An overhang portion 2 may be provided at one of the corners of the main body, a lower portion of the overhang portion 2 may be used as an entrance, and the overhang portion 2 may be overhanging.

[0028]

According to the entrance eaves of the present invention, the eaves are attached to the lower side of the overhang portion of the outer wall provided above and outside the entrance, and the eaves of the eaves project further outward than the overhang portion. As a result, a deep pillar-free space is secured in front of the entrance, giving the building a sense of luxury,
Entrance eaves are integrated with the exterior of the building body and harmonize well, improving the design of the entire building.

[Brief description of the drawings]

FIG. 1 is a plan view showing a shape of an entrance portion of a building provided with an entrance eave of the present invention.

FIG. 2 is a plan view showing an eaves frame serving as a framework of the entrance eaves.

FIG. 3 is a schematic vertical cross-sectional view of an entrance part showing an attached state of the entrance eaves.

FIG. 4 is a longitudinal sectional view showing a mounting structure of the entrance eave in the vicinity of an AA section in FIGS. 1 and 2;

FIG. 5 is a plan view showing another embodiment of the entrance eave of the present invention.

[Explanation of symbols]

 1 Entrance eaves 2 Overhang

Claims (1)

[Claims] 1. An entrance eave, which is attached to a lower side of an overhang portion of an outer wall provided outside and above the entrance, and whose eaves protrude further outward than the overhang portion.