JP2001049818A - Fitting structure of stairs and unit building using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fitting structure of a stair and a unit building using the structure which does not impair the appearance when going up and down the stair. SOLUTION: An upstairs building unit and a downstairs building unit are vertically connected to construct the unit building. In this fitting structure of the stair constituted of a building unit body and a plurality of treadboard units 11, 21, the treadboard unit 1 is composed of treadboard 11 and a decoration side plate 12 erected at the upper side of the longitudinal end of the tread-board 11, and the treadboard 21 of the lowermost treadboard unit 2 of the upstairs building unit is provided with notches in which the decoration side plate 22 of the treadboard unit 2 and the decoration side plate 12 of the treadboard unit 1 right under the treadboard unit 2 are inserted respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stair mounting structure and a unit building using the same.

[0002]

2. Description of the Related Art In general, when stairs are provided in a unit building, building units incorporating stairs therein are produced in advance in a factory, and these building units are arranged on a foundation of a construction site, and other adjacent building units are arranged. By concatenating with
Stairs were set up inside the house.

[0003] However, attaching stairs to only one building unit has a problem in that the layout of the room is limited due to the relationship with other adjacent building units, and the degree of freedom in design is impaired.

Therefore, the lower part of the stairs is installed inside the building unit downstairs, and the upper part of the stairs that is continuous with the lower part of the stairs is installed inside the building unit upstairs at the factory. Transporting, and joining the uppermost part of the building unit below the floor and the lowermost part of the building unit above the floor there (Japanese Patent Laid-Open No. 5-98707).
Publication).

The downstairs building unit is formed by connecting a lower portion of a stair to a building unit main body, and the lower portion of the stair is formed of a plurality of step board units. The upper part of the stairs is connected to the building unit main body, and the upper part of the stairs is also formed of a plurality of step board units.

[0006]

[Problems to be solved by the invention]

[0007] In the above construction method, the uppermost part of the lower part of the stairs of the building unit downstairs and the lowermost part of the upper part of the stairs of the building unit upstairs are connected at the construction site. At this time, there is a possibility that a gap is generated in the connecting portion. When such a gap is generated, when going up and down the stairs, C-shaped steel or the like fixing both sides of the stairs may be seen, and the appearance may be impaired.

An object of the present invention is to solve the above-mentioned problems and to provide a stair mounting structure and a unit building using the same, which do not impair the appearance when going up and down the stairs.

[0009]

The stairs mounting structure according to the first aspect of the present invention (hereinafter referred to as "the present invention 1") is constructed by vertically connecting a building unit on a floor and a building unit on a floor below. It is constructed, and both building units are in a stair mounting structure composed of a building unit body and a plurality of step board units,
The above-mentioned stepboard unit is composed of a stepboard and a decorative side plate erected on the upper side of the longitudinal end of each stepboard, and a stepboard of the lowest stepboard unit of the building unit on the floor, A cutout is provided in which a decorative side plate of the stepboard unit and a decorative side plate of the stepboard unit immediately below the stepboard unit are inserted.

In the first aspect of the present invention, the step board unit includes a step board of the step board unit (hereinafter, referred to as a “lower step board”) and a step board of an immediately above step board unit (hereinafter, “upper step”). A step board may be provided between them.
At this time, the riser is provided on the back side of the lower step board toward the stairs and on the front side of the upper step board. The riser above
The two step boards are connected to each other, and are provided so as to close a gap formed between the lower step board and the upper step board.

The stair mounting structure of the invention according to claim 2 (hereinafter referred to as “the present invention 2”)
The notch is formed on the stepboard of the lowest stepboard unit of the building unit on the floor, the gap between the decorative side plate of the stepboard unit and the decorative side plate of the stepboard unit immediately below the stepboard unit. Are provided so as not to be visible from the side of the step board.

The unit building according to the third aspect of the present invention (hereinafter referred to as "the present invention 3") comprises at least a pair of a building unit on the upper floor and a building below the floor by the stairs having the mounting structure of the first or second invention. It is constructed by joining the unit up and down.

(Operation) The staircase mounting structure of the present invention 1 is constructed by vertically joining a building unit on a floor and a building unit on a floor below, and both building units are composed of a building unit body and a plurality of step board units. Since the stairs have the structure of, the layout of the room is not limited by other adjacent building units, and the degree of freedom in design can be increased. Further, the step board unit is composed of a step board and a decorative side plate which is provided upright above the longitudinal end of each step board, and a step board of the lowest step board unit of the building unit on the floor. Is provided with a cutout into which the decorative side plate of the stepboard unit and the decorative side plate of the stepboard unit immediately below the stepboard unit are inserted. By inserting the decorative side plate of the step board unit immediately below into the notch, the tolerance when assembling both building units can be absorbed.

According to a second aspect of the present invention, in the first aspect of the present invention, the notch is provided on the step board of the lowest step board unit of the building unit on the floor, the decorative side plate of the step board unit, and The gap between the joint portion of the stepboard unit and the decorative side plate immediately below the stepboard unit is provided so as not to be visible from the stepboard side. Therefore, when climbing up and down the stairs, the gap and the C-shaped steel are used. Such as being hidden by the step board, the appearance of the stairs can be reduced.

The unit building according to the third aspect of the present invention is constructed by connecting at least a pair of the building units on the upper floor and the building units on the lower floor up and down by the stairs having the mounting structure of the first or second invention. For this reason, even if the respective tolerances are loosely estimated at the time of design, the appearance of the stairs is hardly impaired, and the degree of freedom at the time of design is increased.

[0016]

Embodiments of the present invention will be described below in more detail with reference to the drawings. FIG. 1 is a perspective view showing an example of a stair joint of the present invention 1 or 2. As shown in FIG. 1, the uppermost stepboard unit 1 of the building unit below the floor is a stepboard 11, a decorative side plate 12 erected above the longitudinal end of the stepboard 11, and a riser And a plate 13.

The lowermost stepboard unit 2 of the building unit on the floor is a stepboard 21, a decorative side plate 22 erected above the longitudinal end of the stepboard 21, and a riser ( (Not shown)).

The riser plate 13 of the step board unit 1 is moved between the step board 11 and the step board 21 of the uppermost step board unit 2 of the building unit downstairs toward the stairs. It is provided behind the step board 21 (upper step board with respect to the step board unit 1) behind the lower step board. The riser plate 13 is provided so as to close a gap formed between the lower step plate 11 and the upper 12 step plate.

The decorative side plates 12 and 22 are provided with cutouts 121 and 221 respectively, and the decorative side plates (22 for the decorative side plate 12 and not shown for the decorative side plate 22) are cut out respectively. The notches 121 and 221 are fitted.

FIG. 2 is an enlarged view of a main part of the lowermost step board unit of the building unit on the floor shown in FIG. As shown in FIG. 2, the step board 21 of the lowest step board unit 2 of the building unit on the floor is provided with a protrusion 21 a toward the stairs, and notches are provided at both ends of the protrusion 21 a. 211 is provided, and the decorative side plates 12, 2
2 is fitted into the cutout 211, and the gap between the joints between the decorative side plate 12 and the decorative side plate 22 is accommodated in the cutout 211, so that the protrusion 21 a of the step board unit 2 is connected to the decorative side plate 12. The joint with the decorative side plate 22 is made invisible from the step board 21 side.

FIG. 3 is a perspective view showing a step board unit other than a joint portion of a building unit on a floor and a building unit on a floor below in the present invention 1 or 2. The other step board units 3 of the building unit on the floor and the building unit on the lower floor include a step board 31, a decorative side board 32 erected above the longitudinal end of the step board 31, and a riser board ( (Not shown)).

Decorative side plates 32 provided at both ends of the step board 31
Are provided with cutouts 321 and 321, respectively, and a decorative side plate (not shown) provided immediately above the cutouts 321 and 321.
21.

FIG. 4 is a sectional view showing an example of a staircase portion of a building unit according to the present invention 1 or 2 used in the present invention 3. In these portions, the notch of the step board 31 as shown in FIG. 2 is not necessary, but if the upper part of the joint between the decorative side panels is left as it is, when the tolerance of the decorative side panel is shifted, the gap becomes larger. Since it can be visually recognized from the 31 side, the visible area is covered with the baseboard 4 so that
It is no longer visible from the side.

[0024]

According to the present invention having the above-described structure, the staircase mounting structure of the first aspect can absorb the tolerance when assembling the building unit. Also,
According to the staircase mounting structure of the second aspect of the present invention, the appearance of the staircase can be reduced. Since the unit building of the third aspect of the present invention has the stair mounting structure of the first or second aspect of the present invention, the appearance of the stairs is hardly impaired, and the degree of freedom in designing is increased.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a stair joint of the present invention 1 or 2. FIG.

FIG. 2 is an enlarged view of a main part in which a lowermost plate unit of the building unit on the floor shown in FIG. 1 is enlarged.

FIG. 3 is a perspective view showing a step board unit other than a joint portion of a building unit on a floor and a building unit on a floor below in the present invention 1 or 2;

FIG. 4 is a sectional view showing an example of a staircase portion of a building unit according to the present invention 1 or 2 used in the present invention 3;

[Explanation of symbols]

 1st step board unit at the top of the building unit downstairs 2 step board unit at the bottom of the building unit upstairs 3 Other step board units 11, 21, 31 Step board 12, 22, 32 Dressing side board 13, 33 21a Protrusions 121, 221, 321 of step board unit 2 Cut of decorative side board

Claims (3)

[Claims] 1. A stair mounting structure comprising a building unit on an upper floor and a building unit on a lower floor which are vertically joined to each other, wherein both building units are composed of a building unit main body and a plurality of step board units. The unit is composed of a step board and a decorative side plate which is erected above the longitudinal end of each step board, and the step board of the lowest step board unit of the building unit on the floor is provided with the step board. A stair mounting structure, comprising: a decorative side plate of a unit; and a notch into which a decorative side plate of a step plate unit immediately below the step plate unit is inserted. 2. The notch is provided on a step board of a lowermost step board unit of a building unit on a floor, a decorative side plate of the step board unit, and a decorative side plate of a step board unit immediately below the step board unit. 2. The stair mounting structure according to claim 1, wherein the gap at the junction is not visible from the stepboard side. 3. A unit building, wherein at least one pair of a building unit on an upper floor and a building unit on a lower floor are vertically joined by a stair having the mounting structure according to claim 1 or 2. .