JPH04203155A - Assembled stairs - Google Patents

Abstract

PURPOSE:To reduce the number of members and work load by assembling stairs from a support base which supports a floor plate at a certain height, an upper stairs unit which is installed on the upper stage side of the support base, and a lower stairs unit which is installed on the lower stage side of the support base. CONSTITUTION:Lower installing pieces 250, 250 of an upper stairs unit 2 and upper installing pieces 300, 300 of a lower stairs unit 3 are made to come into contact with the column 400 of a landing unit 4, bolts 5a, 5a,..., inserted into bolt insertion holes 400a,..., 250a,..., 300a,..., nuts 5b, 5b,... are fitted to tight- connect the lower part of the upper stairs unit 2 and the upper part of the lower stairs unit 3 with the landing unit 4. Besides, the upper installing pieces 200, 200 of the upper stairs unit 2 and a corridor on up-stairs, and the lower installing pieces 350, 350 of the lower stairs unit 3 and a corridor on down-stairs are tight-connected respectively in the same manner.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an assembly staircase installed outside a building, and particularly to an assembly staircase assembled from a plurality of units.

[Prior Art] Conventionally, for stairs and landings installed outside buildings such as apartments, the climbing beams and treads that make up the stairs, the support pillars and floorboard supports of the landing support base, the landing floorboard materials, etc. Each component was manufactured separately, delivered separately to the site, and assembled by workers on site.

[Problems to be Solved by the Invention] However, since each of the above-mentioned components is separate, some components may be forgotten to be delivered to the site, and the amount of work at the site increases significantly, resulting in slow construction times. becomes long,
There was a problem.

This invention was made to solve the above problems, and it is possible to reduce the number of parts that are separately delivered to the site, reduce the amount of work on site, and shorten the construction period. Intended to provide stairs.

[Means for Solving the Problems] The assembled staircase according to claim 1 includes: a floor board material, a support base that supports the floor board material at a constant height, and an upper staircase unit attached to the upper side of the support base. A lower staircase unit attached to the lower stage side of the support base is assembled.

The assembled staircase according to claim 2 is the assembled staircase according to claim 1, in which a handrail is integrally attached to at least one of the support base, the floorboard material, the upper stair unit, and the lower stair unit.

The assembled staircase according to claim 3 includes: a landing unit in which the floorboard material is integrally attached to a support base that supports the floorboard material at a constant height; an upper staircase unit attached to the upper side of the landing unit; The lower staircase unit attached to the lower side of the landing unit is assembled.

The assembled staircase according to claim 4 is the assembled staircase according to claim 3, in which a handrail is integrally attached to at least one of the landing unit, the upper stair unit, and the lower stair unit.

[Function] According to the invention described in claim 1, the semi-finished upper stair unit, lower stair unit, support base, and floorboard materials are delivered to the site and assembled, so that they are not transported to the site separately. As the number of parts decreases, the amount of work on site decreases.

According to the invention as claimed in claim 2, since the handrail is integrally attached to at least one of the support base, the floorboard material, the upper stair unit, and the lower stair unit, the number of parts carried to the site is reduced, and the number of parts transported to the site is reduced. The amount of work is reduced.

According to the invention as claimed in claim 3, since the floorboard material is integrally attached to the support base to form a landing unit, there is no need to carry the floorboard material to the site separately from the support base and attach it to the support base. In addition to reducing the number of parts delivered to the site,
The amount of work on site is reduced.

According to the invention set forth in claim 4, since the handrail is integrally attached to at least one of the landing unit, the upper stair unit, and the lower stair unit, the number of parts carried to the site is reduced and the work at the site is simplified. quantity decreases.

[Example] An embodiment of the present invention will be described based on the drawings.

FIG. 1 is an exploded perspective view of the assembled staircase 1 of this embodiment, and FIG. 2 is a perspective view of the assembled staircase 1 of this embodiment attached to a building 100. Note that in FIGS. 1 and 2, handrails are omitted for the sake of simplification of the drawings.

The assembled staircase 1 of this embodiment is assembled from an upper stair unit 2, a lower stair unit 3, and a landing unit 4, and the lower part of the upper stair unit 2 and the upper part of the lower stair unit 3 are attached to one end of the landing unit 4. Boruto and Natsutto 5 in line,
5. It is installed by...

The upper staircase unit 2 is installed between a hallway 6 on the first floor, for example, a second floor hallway and the landing unit 4 (
(see Figure 2), a pair of climbing girders 20.20, the climbing girder 2
Step plates 21, 21.0. ...,
and handrails 22.22 erected on climbing girders 20.20. Note that the number of climbing girders 20 may be one.

The climbing girder 20 and the step plate 21, and the climbing girder 20 and the handrail 22 are each integrated by bolts/nuts or welding.

Attachment pieces 200, 250 are provided at the upper and lower parts of the climbing girder 20, respectively, for attaching the upper stair unit 2 to the upper hallway 6 and landing unit 4.

In addition, in the upper stair unit 2 of this embodiment, several step plates 21, 21 . Although the flat plate part 23 is provided above the..., the flat plate part 23 may not be provided.

The lower stair unit 3 is installed between the landing unit 4 and the downstairs hallway 7, for example, the first floor hallway (
(see Figure 2), a pair of climbing girders 3o230, the climbing girder 3
Step plates 31, 31. ...,
and handrails 32, 32 erected at climbing girders 30, 30. Note that the number of climbing girders 30 may be one.

The climbing girder 30 and the step plate 31, and the climbing girder 3o and the handrail 32 are each integrated by bolts/nuts or welding.

Attachment pieces 300 and 350 are provided at the upper and lower parts of the climbing girder 30, respectively, for attaching the lower stair unit 3 to the landing unit 4 and the downstairs hallway 7.

The landing unit 4 has a support base 40, a floorboard material 41 supported at a constant height by the support base 40, and the support base 40 except for the ends to which the upper stair unit 2 and the lower stair unit 3 are attached. It consists of a handrail 42 erected along the outer periphery of the handrail 42.

The support stand 40 includes support columns 40a, 4 having a closed rectangular cross section.
．． 0a, . . . and a floor plate support member 40b supported at a constant height by the support columns 40a, 40a, . Note that the support stand 40 in this specification includes:
If it is self-supporting and can support the floorboard material 41 at a constant height, it also includes one made of one pillar.

The floor plate support material 40b is, for example, a girder 400° 400 constructed in a rectangular shape by steel members having a U-shaped cross section.
・Extraction surgery 400,400. The frame is made up of joists (not shown in the diagram) that are passed inside...
The floorboard material 41 will be placed on top of this joist.

The floorboard material 41 is subjected to waterproofing treatment such as pasting a waterproof sheet (not shown) or caulking (not shown) before being delivered to the site. In addition, a drain 410 is provided as drainage equipment, and this drain 41
0, a rain gutter 43 is attached. Note that it is not necessary to perform waterproofing treatment, and it is not necessary to provide drainage equipment.

Next, a method for attaching each of the units will be explained.

The lower mounting pieces 250, 250 of the upper stair unit 2 and the upper mounting pieces 300, 300 of the F stair unit 3 are brought into contact with the girder 400 of the landing unit 4, and the girder 4
．． OO and mounting piece 250°250.300,300
Bolt insertion holes 400a, ・-, 250a provided in
, -,300a,... bolts and nuts 5,5.・
... bolts 5a, 5a.

...and these bolts 5a, 5a.

The lower part of the upper stair unit 2 and the upper part of the lower stair unit 3 are tightly connected to the landing unit 4 by screwing the nuts 5b, 5b, .

An upper mounting piece 20o of the upper staircase unit 2.

The same applies to the connection between the lower staircase unit 200 and the hallway 6 on the upper floor, and the connection between the lower mounting pieces 350, 350 of the lower stair unit 3 and the hallway 7 on the lower floor. In addition, the hallway 7 downstairs is 1
In the case of a floor corridor, the mounting piece 350 will be fixed to an anchor bolt protruding from the upper end surface of the foundation.

According to the above embodiment, the following effects can be obtained.

That is, the upper stair unit 2 and the lower stair unit 3 having the above configuration.
, and the landing unit 4 are transported to the site, and these units are simply assembled together at the site, so the number of parts that are separately transported to the site is reduced, and the amount of work at the site is reduced.

Therefore, it becomes easy to confirm the presence or absence of parts to be delivered to the site, so it is possible to avoid a situation where a member is forgotten to be delivered to the site, and it is possible to shorten the construction period.

In addition, in the above embodiment, the floorboard material 41 is the support base 40.
Although the case of the landing unit 4 supported by the platform unit 4 has been described, the floorboard material 41 may be carried to the site separately from the support base 4° and installed.

Further, in the above embodiment, the support stand 40 is the support column 40.
a, 40a, . . . and the floor plate support material 40b, but the present invention is not limited to this, and the floor plate support material 40b is the support column 40a.

Any configuration may be used as long as it is supported at a constant height by 40a, .

Further, in the embodiment described above, the floor plate support material 40b has girders 400, 400. ... and a joist, but the support pillar 40a is not limited to this.
, 40a, . . . as long as it can support the floorboard material 41 at a constant height.

Furthermore, in the upper stair unit 2, lower stair unit 3, and landing unit 4 of the above embodiment, handrails 22, 22, 32, 32, and 42 are respectively provided upright, but the present invention is not limited to this. Not a thing, but a handrail 22, 22,
32, 32, and 42 may not be provided upright. In this case, the handrails 22.22, 32, 32.42 may be transported to the site separately from each unit and attached to each unit.

In addition, in the above embodiment, the installation between the upper hallway 6 and the upper staircase unit 2, the installation between each unit, and the attachment between the lower stairs unit 3 and the downstairs hallway 7 are performed using bolts.
Natsu 5, 5. ..., but is not limited to this, and may be done by any method such as welding.

[Effects of the Invention] Since the present invention is configured as described above, it produces effects as described below.

According to the invention as claimed in claim 1, the upper stair unit, the lower stair unit, the support base, and the floorboard materials, which are semi-finished products, are carried to the site and assembled, so that the number of parts that are carried separately to the site is reduced. This also reduces the amount of work on site.

According to the invention as claimed in claim 2, since the handrail is integrally attached to at least one of the support base, the floorboard material, the upper stair unit, and the lower stair unit, the number of parts carried to the site is reduced, and the number of parts transported to the site is reduced. The amount of work is reduced.

According to the third aspect of the invention, since the floorboard material is integrally attached to the support base to form a landing unit, the number of parts carried to the site is reduced, and the amount of work at the site is reduced.

According to the invention set forth in claim 4, since the handrail is integrally attached to at least one of the landing unit, the upper stair unit, and the lower stair unit, the number of parts carried to the site is reduced and the work at the site is simplified. quantity decreases.

Therefore, it is easy to check whether there are parts to be delivered to the site, which not only prevents the occurrence of forgetting to bring them to the site, but also allows you to simply assemble the support stand and each unit at the site. Therefore, the construction period can be shortened.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of the assembled staircase of this embodiment, and FIG. 2 is a perspective view showing the assembled staircase of this embodiment attached to a building.

Claims (4)

[Claims] (1) Assembled from floorboard material, a support base that supports the floorboard material at a constant height, an upper staircase unit attached to the upper side of the support base, and a lower staircase unit attached to the lower side of the support base An assembled staircase characterized by: (2) the support stand, the floorboard material, the upper staircase unit;
The assembled staircase according to claim 1, wherein a handrail is integrally attached to at least one of the lower staircase units and the lower staircase unit. (3) A landing unit in which the floorboard material is integrally attached to a support base that supports the floorboard material at a constant height, an upper stair unit attached to the upper side of the landing unit, and a lower step side of the landing unit. An assembled staircase characterized by being assembled from an attached lower staircase unit. (4) The assembled staircase according to claim 3, wherein a handrail is integrally attached to at least one of the landing unit, the upper stair unit, and the lower stair unit.