JPH083254B2 - Unit stairs - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a unit staircase that is unitized to reduce the number of on-site construction steps.

[0002]

2. Description of the Related Art In a conventional staircase, members such as a sasara girder and a tread are assembled by knocking down.

[0003]

However, in the case of assembling each member such as the sasara girder and the tread by knocking down as described above, the on-site construction becomes complicated and troublesome. In particular, the U-shaped staircase has a problem that the on-site construction becomes more complicated. The present invention is invented in view of the problems of the above-mentioned conventional example, the purpose is to be able to simplify the on-site construction, moreover, can be reliably supported using the minimum number of columns, and also It is to provide unit stairs that can be easily transported from the factory to the site.

[0004]

In the unit staircase of the present invention, a U-shaped staircase is divided into a lower half staircase unit 1 and an upper half staircase unit 2, and the lower half part of the lower half staircase unit 1 is divided. Support the foundation 3 and lower half staircase unit 1
Both ends of the upper end of the upper half staircase unit 2 are supported by columns 4 and 5, and one side end of the lower half part of the upper half staircase unit 2 is connected to the lower half staircase unit 1.
The upper half of the staircase unit 2 is mounted and supported, the other end of the lower half of the upper half staircase unit 2 is supported by another pillar 6, and the upper end of the upper half staircase unit 2 is attached to the second floor staircase. The present invention is characterized in that it is supported by the beam 7, and by adopting such a configuration, the problems of the conventional example described above are solved and the object of the present invention is achieved.

[0005]

According to the present invention having the above-described structure, the U-shaped staircase has the lower half staircase unit 1 and the upper half staircase unit 2
By dividing it into two and, even if the staircase has a complicated structure called U-shaped staircase, you can easily form a U-shaped staircase by combining it in the same way as combining two linear staircases. The lower end of the upper staircase unit 1 is supported by the foundation 3, and both sides of the upper end of the lower half staircase unit 1 are supported by the columns 4 and 5, and one end of the lower end of the upper half staircase unit 2 is lowered. The upper half staircase unit 1 is mounted on and supported at the upper side end, the lower half end of the upper half staircase unit 2 is supported by another pillar 6, and the upper end of the upper half staircase unit 2 is supported. By supporting the stairs mounting beam 7 on the second floor, it is possible to easily and securely support the foundation 3, the pillars 4, 5, 6, and the stairs mounting beam 7 on the second floor at the site. is there.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings. As shown in FIGS. 1 to 6, a staircase 10 is formed in a corner portion of a building 9, and this building 9 is a multi-story row house in which the first floor and the second floor are individual dwelling units,
The entrance / exit 11 on the first floor of the staircase 10 is divided into two parts on the left and right by a partition body 12, and is divided into an entrance / exit 11a for the first-floor dwelling unit and an entrance / exit 11b for the second-floor dwelling unit. A gate 11 is provided at the doorway 11b for the second-floor dwelling unit so that it can be opened and closed. From the doorway 11a for the first-floor dwelling unit, approach 13 for the first-floor dwelling unit
The entrance and exit can be opened and closed only from the first-floor dwelling unit-specific approach 13 to the front door of the first-floor dwelling unit and opened and closed. Also,
Only the second-floor dwelling unit approach 15 can be accessed through the second-floor dwelling unit entrance 11b. The lower part of the stairs A dedicated to the second-floor dwelling unit is continuous to the second-floor dwelling unit approach 15, and the upper part of the stair A is exclusively for the second-floor dwelling unit. It is connected to the second-floor corridor 16 and can be accessed from the second-floor dwelling unit entrance 11b through the second-floor dwelling unit approach 15, stairs A, and the second-floor corridor 16 to open and close the entrance door 17 of the second-floor dwelling unit. ing.

The staircase A constructed in the staircase room 10 having the above-described structure is U-shaped, and is divided into a lower half staircase unit 1 and an upper half staircase unit 2. The lower half staircase unit 1 is as shown in FIG.
A side girder 21 is provided at the side end of the. Also,
An embedding hanging portion 23 is provided at the lower end of the lower half staircase unit 1. Two triangular step plates 22 are provided on the upper part of the lower half staircase unit 1, and the staircase direction is changed to a right angle direction by the two triangular step plates 22. . The lower surface of the side end of the lower triangular step plate 22 is supported by a support bar 30 provided at the upper end of the lower half staircase unit 1.

As shown in FIG. 8, the upper half staircase unit 2 is constructed by providing a step girder 22 with a side girder 21 at a side end thereof. Two triangular step plates 22 are provided on the upper part of the upper half staircase unit 2, and the direction of the stairs is changed to a right angle direction by the two triangular step plates 22. . The lower surface of the side end of the upper triangular step plate 22 is supported by a support bar 31 provided at the lower end of the upper half staircase unit 2.

However, the lower half staircase unit 1 and the lower half staircase unit 2 having the above-described structure are formed in advance in a factory, and are transported to the site for construction on the site. That is, at the site, the buried hanging portion 23 at the lower end portion of the lower half staircase unit 1 is placed and fixed on the concrete foundation 3. The buried hanging portion 23 is buried in the soil cleat portion 25 to be subsequently constructed. Both sides of the upper end of the lower half stair unit 1 are supported by columns 4 and 5 standing upright along a wall surface 34. In this case, the sasara girder 21 is fixed to the column 4 via the L-shaped metal fitting 32, and the support bar 30 is fixed to the column 5 via the L-shaped metal fitting 32. next,
One end of the lower end of the upper half staircase unit 2 is placed on and supported by the upper side end of the lower half staircase unit 1 to be fixed to the other end of the lower half staircase unit 2. End wall 3
It is supported by another pillar 6 standing upright along the line 4. In this case, the sasara girder 21 is fixed to the column 6 via the L-shaped metal fitting 32. Further, the upper end of the upper half stair unit 2 is fixed to the stair mounting beam 7 on the second floor. In this case, as shown in FIG.
It is fixed to the stairs mounting beam 7 on the second floor by 2.

By the way, as shown in FIG. 9, the three columns 4, 5 and 6 are integrally connected by a horizontal rail 33, and the lower ends of the columns 4, 5 and 6 are connected to each other along a wall surface 34. The fixing piece 35 provided in the section is fixed to the foundation or the concrete in the earth.

[0011]

According to the present invention, since the U-shaped staircase as described above is divided into the lower half staircase unit and the upper half staircase unit, the U-shaped staircase has a complicated structure. Even stairs can be transported to the site in a compact state, and when assembling at the site, a U-shaped stair can be easily formed by combining two linear stairs in the same way. Is. In addition, the lower half of the lower half staircase unit is supported by the foundation, and both ends of the upper half of the lower half staircase unit are supported by columns, and one end of the lower half of the upper half staircase unit is connected to the lower half staircase. It is placed and supported on the side end of the upper part of the unit, and the other end of the lower end of the upper half staircase unit is supported by another pillar,
By supporting the upper end of the upper half staircase unit on the stairway mounting beam on the second floor, it is possible to easily and reliably support the staircase mounting beam on the second floor by only supporting the foundation, the pillars, and the stairway mounting beam on the second floor. Since the upper end of the lower half staircase unit and the lower end of the upper half staircase unit are only supported by the columns,
It can be supported using the minimum number of columns.

[Brief description of drawings]

FIG. 1 is a plan sectional view of the present invention.

FIG. 2 is a partially cutaway plan sectional view of the above.

FIG. 3 is a side sectional view of the above.

FIG. 4 is a side sectional view of another portion of the above.

FIG. 5 is an overall plan view of the same building.

FIG. 6 shows the same building as above, (a) is an overall front view, and (b) is an overall side view.

FIG. 7 shows the lower half staircase unit of the above, (a) is a plan view and (b) is a side view.

FIG. 8 shows the upper half staircase unit of the above, (a) is a plan view and (b) is a side view.

FIG. 9 shows the same column, (a) is a plan view,
(B) is a front view.

FIG. 10 is a plan view showing the support by the columns of the lower half staircase unit of the above.

FIG. 11 is a side view showing the support by the columns of the lower half staircase unit of the above.

FIG. 12 is a rear view showing the connection between the lower half staircase unit and the upper half staircase unit of the same.

FIG. 13 shows a connection between the lower half staircase unit and the upper half staircase unit, and FIG. 13 (a) is an enlarged plan view,
(B) is an enlarged sectional view.

[Explanation of symbols]

 1 Lower half stair unit 2 Upper half stair unit 3 Foundation 4 Pillars 5 Pillars 6 Pillars 7 Pillars 7 2nd floor stair mounting beam

Claims (1)

[Claims] 1. A U-shaped staircase is divided into a lower half staircase unit and an upper half staircase unit, and the lower end of the lower half staircase unit is supported by a foundation and the upper half of the lower half staircase unit is supported. Both sides of the upper half staircase unit are supported by columns, one end of the lower half of the upper half staircase unit is placed and supported on the side end of the upper half staircase unit, and the other side of the lower end of the upper half staircase unit is supported. A unit staircase characterized in that the end portion is supported by another column, and the upper end portion of the upper half staircase unit is supported by a stairway mounting beam on the second floor.