JP4469483B2 - Folding type scaffolding platform and scaffolding formed by connecting the scaffolding platform - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is used in a building construction site, an indoor work site, etc., and in particular, a folding scaffolding base and a folding type used in interior and exterior constructions such as ceilings and walls in a house or in a narrow place, wiring work, and other work. The present invention relates to a scaffold formed by connecting scaffolding platforms.
[0002]
[Prior art]
Conventionally, for work in high places with a maximum height of about 2m, such as interior and exterior construction work such as ceilings and walls of buildings and electrical wiring, the ladder-shaped main legs with steps on a rectangular top plate can be folded. The provided portable scaffolding is used (Japanese Utility Model Publication No. 6-56321), but this type of scaffolding is especially used for interior work such as ceilings and walls in narrow places such as indoors and verandas. When trying to do so, it is often difficult to install at that location in terms of size.
[0003]
In order to solve this problem, some of the inventors have used each other as a scaffolding platform suitable for use in high places such as interior and exterior installation work such as ceilings and walls of buildings and electrical wiring in a narrow space. There has been proposed a combination type scaffolding platform that is formed of cubic or rectangular parallelepiped scaffolding elements that can be engaged or fitted, and these scaffolding elements are connected and combined with each other (Japanese Patent Application No. 2000-226706).
[0004]
[Problems to be solved by the invention]
The present invention has been made as an improvement of the above-mentioned combination type scaffolding platform, and its purpose is to further improve the ease of carrying in a narrow place and the ease of assembly in a narrow place by configuring the scaffolding base element in a foldable manner. In addition, the present invention provides a foldable scaffold with improved safety and a scaffold formed by connecting the foldable scaffold with a structure that is stable with respect to a load.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, a folding scaffold according to claim 1 of the present invention has two opposing side panels and another opposing side panel formed between a square top surface and a bottom surface . The two side panels facing each other out of the four side panels are attached to both the top surface portion and the bottom surface portion, are formed to be bent inward, and are folded between the top surface portion and the bottom surface portion. The other two side panels facing each other are formed in an inwardly bent shape and are attached to the top surface or bottom surface, and can be turned and folded along the top surface or bottom surface. The two side panels attached to both the top and bottom surfaces are separated by separating the top and bottom surfaces, and are attached to the top or bottom and bent inward Two side panels Rotating from the folded state, the inside of the two opposing side panels is supported by the side edges of the other two opposing side panels, and the four side panels are combined in a bent shape characterized in that it was.
[0009]
In addition, a scaffold according to the present invention is configured by connecting the folding scaffolds according to claim 1 .
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the structure and usage of the folding scaffolding and scaffolding of the present invention will be described with reference to the drawings. In addition, these aspects are for demonstrating one preferable embodiment of this invention, and this invention is not restrict | limited by this.
[0012]
In a preferred embodiment of the present invention, the folding scaffolding platform includes, as shown in FIG. 2, two opposing side panels 4A, 4B extending from the sides or the inside of the square top surface portion 2 and the bottom surface portion 3, respectively. As shown in FIG. 6, the two side panels 4A and 4B are bent inward and extended from the side or the inside of the top surface 2 or the bottom surface 3 from the inside. It supports with the side edge part of the other two side panels 5A and 5B which oppose. In this case, as shown in FIG. 6, the side edges of the two side panels 4A and 4B or the vicinity thereof are supported by the side edges of the other two opposite side panels 5A and 5B to form a butt portion T. It is preferable to configure so as to.
[0013]
In the present invention, as described above, in the state where the two side panels 4A and 4B are bent inward, the other two opposite side panels 5A and 5B extending from the top surface portion 2 or the bottom surface portion 3 from the inside. If supported by the side edge, the other two opposite side panels 5A, 5B, as shown in FIG. 6, preferably it is formed to be bent inward.
[0014]
Hereinafter, a preferred embodiment of the folding scaffold 1 according to the present invention will be described. In the folding scaffold 1, as shown in FIGS. 2 to 4, the two side panels 4 </ b> A and 4 </ b> B facing each other are a top surface portion 2 and a bottom surface portion. 3 is attached to both sides, and is formed to be bent inward at a bent portion 6 located in the center, and can be folded (FIG. 2) and raised (FIG. 3) between the top surface portion 2 and the bottom surface portion 3. It has become.
[0015]
As shown in FIGS. 3 to 5, the other two opposite side panels 5 </ b> A and 5 </ b> B are preferably attached to the side portion of the top surface portion 2, and the center portion is bent at an angle fixed inward. It is formed, and it is comprised so that rotation folding is possible along the back side of the top surface part 2. FIG. For this reason, for example, both the top surface 2 and the bottom surface 3 have a top surface 2 and a bottom surface 3 so as to have the space portions 11 and 10 (FIGS. 4 to 5) that can accommodate the folded side panels. It is preferable that the bottom surface is closed or the top surface portion 2 is a box shape with the top surface closed, and the bottom surface portion 3 is formed in a frame shape (FIG. 4) with the bottom surface open.
[0016]
As shown in FIG. 1, the folding scaffold 1 according to the present invention is assembled from the state in which the side panels 4A, 4B, 5A, and 5B are folded and the top surface portion 2 and the bottom surface portion 3 are overlapped, as shown in FIG. As shown, the top surface 2 is lifted upward by the handle hole 12 of the top surface 2, and the top surface 2 and the bottom surface 3 are separated from each other and are attached to the side surfaces of the top surface 2 and the bottom surface 3. Launch panels 4A and 4B.
[0017]
When the side panels 4A and 4B are raised, the side panels 5A and 5B (FIG. 4) folded along the back side of the top surface portion 2 are rotated downward by gravity as shown in FIG. 3 (FIG. 5). Arrow X direction).
[0018]
In this case, as shown in FIG. 7, the ridges 7 are attached to both the top surface portion 2 and the bottom surface portion 3 and are formed on the lower portions of the two opposing side panels 4A and 4B which are formed to be bent inward at the center portion. When the two side panels 5A and 5B are rotated from the folded state, the protrusion 7 is locked inside the side part 3A of the bottom part 3 as shown in FIGS. Further, the side edges of the two side panels 4A and 4B or the vicinity thereof are supported by the side edges of the other two side panels 5A and 5B to form a butt portion T, and the side panels 4A, 4B, 5A and 5B are formed. Is fixed, and the top surface portion 2 and the bottom surface portion 3 are supported by the side panels 4A, 4B, 5A, and 5B.
[0020]
The foldable scaffolding platform 1 of the present invention has two opposing side panels 5A facing from the inside with two opposing side panels 4A, 4B extending from the top surface 2 and the bottom surface 3 bent inward. Since it is supported by the side edge of 5B, when a load is applied to the top surface 2 from above, the side panels 4A, 4B, 5A, and 5B do not open outwardly and stably support the load. be able to.
[0021]
In addition, since the two opposing side panels 4A and 4B are bent inwardly, they are supported from the inside by the side edges of the two other opposing side panels 5A and 5B. When a load is applied and a compressive load is applied between the top surface portion 2 and the bottom surface portion 3, the load is transmitted to the side wall of the side panel, so that the compression load resistance is excellent. In the scaffolding base having the structure shown in FIG. 6 in which the four side panels 4A, 4B, 5A, and 5B are combined in a shape bent inward, a scaffolding base having a particularly high compressive load resistance and excellent rigidity is configured.
[0022]
In the foldable scaffolding base 1 having the structure shown in FIG. 6, the side edges of the four side panels 4A, 4B, 5A, and 5B or the vicinity thereof are combined in a shape bent inward, and the periphery of the side panels is mutually connected. Since it is constrained and fixed, deformation hardly occurs even with a lateral load, and the structure is extremely stable with respect to loads from various directions loaded during use.
[0023]
To fold the assembled scaffold base 1, from the state of FIG. 6, the top surface portion 2 is pulled upward by the handle hole 12, and the side panels 5 </ b> A and 5 </ b> B are rotated upward in the arrow Y direction as shown in FIG. 5. .
[0024]
Next, the bent portion 6 located in the center of the side panels 4A and 4B is pushed by hand to bend inward, the top surface portion 2 is lowered toward the bottom surface portion 3, and the top surface portion 2 is lowered to the bottom surface portion as shown in FIG. 3 is placed on top of each other and folded. The foldable scaffolding of the present invention is preferably made of synthetic resin such as polypropylene, fiber reinforced plastic (FRP), metal such as aluminum, or a combination thereof from the viewpoint of weight reduction.
[0025]
The folding scaffolding of the present invention is carried into the work site in the folded state shown in FIG. 1, and assembled in the state shown in FIG. 6 at the site, depending on the height of the work surface such as interior / exterior construction, wiring construction, etc. As shown in FIG. 9 , a combination is appropriately combined and connected to form a scaffold. For example, in the assembled state, in the case of a scaffold with a height, width, and height of 50 cm each, the height is about 1 m when stacked in two steps and the height is about 1.5 m. If ~ 3 are arranged and stabilized, four-stage stacking is possible, and a scaffolding platform with a height of about 2 m can be formed. Since the top surface portion 2 serves as a work surface for the operator, it is preferable to provide a non-slip 9 as shown in FIGS.
[0026]
In order to connect and combine the scaffold bases, it is preferable to provide uneven portions (not shown) that can be fitted to each other on the side surfaces of the scaffold bases, and the top surface portion 2 has grooves 8 as shown in FIGS. The groove 8 and the side portion 3A of the bottom surface portion 3 can be fitted to stabilize the upward connection.
[0027]
【Example】
Examples of the present invention will be described below.
Example 1
Folding scaffolds with the structure shown in FIGS. 1 to 8 (material: fiber reinforced plastic, dimensions during assembly: 50 cm long, 50 cm wide, 50 cm high) are produced, and these scaffolds are folded. In the house with a small floor area, the ceiling, wall surface work and wiring work were carried out by connecting and combining them. As a result, a stable scaffold was formed within the small installation area, and the work was extremely safe. .
[0028]
Transportation to the installation site can be done with the scaffolding base folded, so it is easy to carry to any narrow space, easy to assemble, assemble in any narrow space without any trouble, and fold easily after use And can be easily transported to the next installation location.
[0029]
【The invention's effect】
According to the present invention, it can be used at a construction work site, an indoor work site, etc., particularly for a load suitable for use in work such as interior / exterior installation work such as a ceiling and wall surface of a building or electrical wiring in a narrow place. A foldable scaffolding with a stable structure is provided.
[0030]
Moreover, according to this invention, it carries in to an installation place in the folding state, and also in a narrow installation place, it connects freely according to the height of a work surface, it combines, and the stable scaffold is formed.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a state in which a folding scaffolding of the present invention is folded.
FIG. 2 is a perspective view showing a state in which the scaffold base in FIG. 1 is slightly opened.
FIG. 3 is a perspective view showing a state in which the scaffolding base in FIG. 2 is further opened.
4 is a perspective view of FIG. 3 seen from another angle. FIG.
FIG. 5 is a schematic view showing a state in which the side panel is rotated and folded in the folding scaffolding of the present invention.
FIG. 6 is a perspective view showing an assembled state of one embodiment of the folding scaffolding of the present invention.
FIG. 7 is a perspective view showing a protrusion provided on a side panel in the folding scaffolding of the present invention.
8 is a perspective view showing an engaged state between the protrusion shown in FIG. 7 and the inside of the side portion of the bottom surface portion. FIG.
FIG. 9 is a schematic perspective view showing an example of a scaffold constructed by connecting and combining the folding scaffold bases of the present invention.

Claims (2)

A scaffolding platform in which two opposing side panels and another opposing side panel are formed between a square top surface part and a bottom part, and the two opposing side panels of the four side panels are surface, shape attached to both of the bottom portion, the top wall is formed to be freely bent inward to allow the launch fold between the bottom surface portion, the other two opposite side panels are bent inwardly And is attached to both the top surface and the bottom surface with the top surface and the bottom surface separated from each other. Two side panels are raised, and the other two side panels attached to the top or bottom surface and bent inward are rotated from the folded state, and the two side panels facing each other are rotated. The other inside Supported by the side edges of the two side panels toward, folding scaffold platform, characterized in that four side panels is so that construction are combined in a shape bent inward. A folding scaffold comprising the foldable scaffolding platform according to claim 1 connected thereto .

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