JPH0678676B2 - Outdoor stair structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is intended to fix a stair foundation frame, in which the mounting portion of the uppermost indentation plate foundation is open, to a frame structure with a gap. , The structure of outdoor stairs that facilitates the outdoor finishing of the main body of the house.

[Problems to be Solved by Prior Art and Invention]

For example, in a main body of a house that is composed of a plurality of floors and forms a group home, etc., an outdoor staircase connecting the upper floor and the lower floor is often provided. Further, outdoor stairs are often formed by using a stair base frame in which a batten board base and a step board base are previously installed between side girders.

Conventionally, such a stairs foundation frame is attached to the main body of the house that has been subjected to outdoor finishing in advance with plywood, mortar, etc., or sometimes after fixing the stairs foundation frame to the frame structure of the main body of the house,
The frame structure and the stair foundation frame were integrally finished outdoors.

However, if you want to apply outdoor finish to the main body in advance,
Since the staircase foundation frame is attached later, it is not possible to carry in the work materials for the main body of the house, tools, etc. using the staircase foundation frame, resulting in poor work efficiency and safety. In addition, when the outdoor finish is done integrally including the connecting part of the stairs, the structure of the outdoor finish becomes more complicated than the case where only the main body of the house is finished.
There is a problem to be solved that it requires a lot of trouble and is inferior in the mounting accuracy of the outdoor finishing member and the waterproof effect.

The present invention is based on fixing a stair base frame having a stair base under which the mounting portion of the uppermost step board base is opened to the frame structure of the house main body, even after the stair base frame is attached. It is an object of the invention to provide a structure of an outdoor staircase that can be easily finished outdoors, enhance the safety of on-site work, and improve the waterproofness of the main body of the house.

[Means for Solving the Problems]

The present invention is a structure of an outdoor staircase in which an outdoor staircase is provided on the outer wall surface of the house body, and the inner surface facing the house body is vertically arranged between the side girders, and the mounting portion of the uppermost indentation board base is opened. A stepped plate base including a stepped plate base whose lower end is horizontal and whose inner end is substantially aligned with the inner surface, and a dipped plate base hanging at its outer end, and a staircase base frame formed by bridging the dipped plate base Using a mounting plate protruding inward from the inner surface of the side girder to a frame structure capable of forming the outer wall surface of the house main body, and further finishing the main body of the house between the frame structure and the inner surface The structure of the outdoor stairs is fixed with a gap exceeding the thickness of the members.

[Action]

The staircase base frame is provided with a stepboard base at the lower end of the mounting site by opening the mounting part of the uppermost step board base, and the thickness of the finishing member for finishing the house main body in the frame structure of the house main body. It is fixed with a gap that exceeds. Therefore, even if the stair base frame is fixed to the house main body by opening the attachment part of the uppermost step board base, the house main body can be finished outdoors and the waterproof property can be improved, and the stair base frame can be Since it can be fixed on the stairs in which the frame structure is formed in advance, it is possible to carry in the work materials, tools, etc. for the main body of the house using the stair base frame, which can improve the safety of the site work and increase the construction efficiency. .

〔Example〕

In the following, one embodiment of the present invention will be described with reference to the fifth embodiment
As shown in FIGS. 7 to 7, the building A1 is provided on the outer wall surface B of the outdoor terrace A2 of the main body A of the house consisting of a multi-storey building A1 and an outdoor terrace A2 leading to the entrance on the upper floor of the building A1. The case where the outdoor stairs 2 are arranged in parallel is taken as an example and described with reference to the drawings.

The stairs base frame 3 forming the outdoor stairs 2 may be fixed to the skeleton structure 5 by using the mounting plate 4, and the outdoor terrace A2 may be mounted outside the outer wall surface B finished by using the finishing member 6. I can.

The outer wall surface B in the present application means a wall surface formed by, for example, attaching the tile T to the frame structure 5 with the finishing member 6 interposed therebetween, as shown in FIG.

Further, the floor surface C of the outdoor terrace A2 overhangs the outer wall surface B and overhangs above the stairs base frame 3, whereby the overhanging floor 7 is connected to the outdoor stairs 2.

As shown in FIGS. 1 and 2, the frame structure 5 includes columns 21 ... Standing on a corner portion D (shown in FIG. 5) of the outdoor terrace A2, and a beam member (illustrated in the figure) along the wall surface of the building A1. Beam members 22 including upper and lower horizontal members 22A and 22A made of channel steel are bridged between the two.

The stairs base frame 3 is a horizontal uppermost step plate base 10 between the diagonal side girders 9 with the inner surface I facing the outdoor terrace A2 being vertical.
A plurality of step board bases 10 including A and a step board base 11 hanging at the outer end of the step board base 10A are alternately combined and welded to the side girders 9 and 9 in advance. Is formed as a staircase unit U.

The uppermost step plate base 10A has an inner end 10a on the inner surface I.
Are substantially aligned with each other, and the depth W of the step plate is made larger than that of the other step plate bases 10 to open the mounting portion 12 of the uppermost step board base 11A. .

The term "open" used in the present application means the uppermost step plate base
It means that the stairs base frame 3 does not have the topmost burial plate base 11A rising from 10A.

In the present embodiment, the uppermost indented plate substrate 11A is formed by the web of the channel member 25 having a U-shaped cross section with horizontal flanges 23 and 24 provided above and below the web, and the step plate By bolting to the base 10A, the indentation board base 11A
Rises vertically.

Furthermore, 11A of the top board is the other board
The height H is smaller than that of 1, and a gap E is provided between the lower surface of the floor base 13 that receives the overhanging floor 7 and the upper end of the joist board base 11A. The base material 14 is inserted.

The floor base 13 is a rectangular plate body made of plywood or the like, and is completely painted out at substantially the center of the base material 14 as shown in FIG.

The base material 14 is a wood material having a rectangular cross section, is adjusted to have the same height as the gap E, and the channel material 25 is used.
It is screwed to the flange 24 above.

In addition, the staircase foundation frame 3 includes the side girders 9, 9 on the frame structure 5.
An inner surface of the frame structure 5 and the side girders 9 is used by using a mounting plate 4 provided with a rectangular plate-shaped fixing portion 4B protruding from a vertical portion 4A bolted to the frame structure 5 and as schematically shown in FIG. It is fixed with a gap G that exceeds the thickness t of the finishing member 6 with respect to I. In this embodiment, as shown in FIG. 2, the fixing portion 4B is a horizontal member 22 above and below the pillar 21 and the beam member 22.
It is bolted to the vertical lattice 26 that connects between A and 22A.
A steel material 27 having an H-shaped cross section is welded between the two lattices 26, 26 to reinforce the lattice 26 and improve the mounting strength.

Further, as shown in FIG. 4, the finishing member 6 is fixed to the outer surface of the frame structure 5. The finishing member 6 is applied to the outer surface of the surface member 29 attached to the outer surface of the beam member 22 and the outer surface of the surface member 29 and the floor support member 30 having a rectangular cross section fixed by screws along the upper surface of the upper beam member 22A. Includes 32 mortar.

The frame structure 5 is conveniently finished by opening the attachment portion 12. The thickness t of the finishing member 6 means the total thickness of the face material 29 and the mortar 32 in this embodiment. Further, a plate material 31 as a base of the floor surface C is nailed to the upper surface of the floor support material 30, and further mortar 33 is applied to finish the upper surface.

Thereafter, as shown in FIG. 1, the channel member 25 is fixed to the stairs base frame 3 by bolting the flange 23 under the channel member 25 and the uppermost step plate base 10A, and The base material
14 is attached and the floor base 13 is attached.
Further, the upper surface of the floor base 13, the step base 10 ...
Tile T is affixed to the outside terrace as shown in Fig. 7.
A floor surface C of A2, an outer wall surface B, and a floor surface F of the staircase foundation frame 3 are formed.

〔The invention's effect〕

As described above, according to the structure of the outdoor stairs of the present invention, the stairs base frame whose uppermost mounting portion is opened is fixed to the frame structure of the main body of the house with a gap. Therefore, the main body of the house can be finished even after fixing the stair base frame, and the waterproof property of the house main body can be improved, and the stair base frame can be used as a loading route for building materials, improving the safety of the work on the upper floor of the house main body and Can achieve efficiency.

[Brief description of drawings]

1 is a sectional view showing an embodiment of the present invention, FIG. 2 is an exploded perspective view thereof, FIGS. 3 and 4 are sectional views schematically showing the operation of the present invention, and FIG. 5 is an outdoor staircase of the present invention. 6 is a plan view showing an example of using the structure of FIG. 6, FIG. 6 is a front view thereof, and FIG. 7 is a perspective view showing a completed outdoor staircase. 2 ... Outdoor stairs, 3 ... Stairs base frame, 4 ... Mounting plate, 5 ... Frame structure, 6 ... Finishing member, 9 ... Side girder, 10 ... Step plate base, 10A ... Top stage Step board base, 11 …… Incorporated board base, 11A …… Topmost indented board base, 12 …… Mounting site, A …… Main body, B …… Outer wall surface, I …… Inner surface, G …… gap.

Claims (1)

[Claims] 1. A structure of an outdoor stairway in which an outdoor staircase is provided on an outer wall surface of a main body of a house, wherein an installation site of an uppermost indentation board base is opened between side girders whose inner surface facing the main body of the house is vertical. A stepped plate base including a stepped plate base that is horizontal at the lower end of the mounting portion and whose inner end is substantially aligned with the inner surface, and a bumping plate base that hangs down at its outer end, and a staircase substrate that spans the battening plate base The frame
Using a mounting plate that projects inward from the inner surface of the side girder, to a frame structure that can form the outer wall surface of the house main body, and further, of a finishing member that finishes the house main body between the frame structure and the inner surface. The structure of the outdoor stairs is fixed with a gap that exceeds the thickness.