JPH07310428A - Temporary scaffold - Google Patents

Abstract

PURPOSE:To simplify the erection and dismantling of a temporary scaffold. CONSTITUTION:Both sides of a scaffold body 21 and a connecting member 22 are bent in a U-shaped form, and this connecting member 22 is formed in the scaffold body 21 free of sliding motion. In addition, one end of a plate spring 26 obliquely installed upwards aslant is secured to a top face of the connecting member 22, while the other end of this plate spring 26 is projectingly installed in the upper part, forming a stopper part 28 there. In succession, the connecting member 22 is slid onto the scaffold body 21, and the stopper part 28 is fitted in a recess 29 on an inner surface of the scaffold body. At this time the connecting member 22 is secured to one end of the scaffold body 21, while if an end of the other scaffold body 21 is slid onto the one end of the connecting member 22, these scaffold bodies 21 and 21 are connected to each other through the connecting member 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary scaffold, and more particularly to a temporary scaffold whose assembly is simplified.

[0002]

2. Description of the Related Art A conventional temporary scaffold of this type will be described with reference to FIGS. In the figure, reference numeral 1 denotes a temporary scaffold, and the temporary scaffold 1 is configured by connecting scaffold main bodies 2 and 2. The scaffolding main body 2 is formed of a plate material made of steel, and both sides thereof are bent in a U shape. The scaffold bodies 2 and 2 are connected by a connecting member 3.

The connecting member 3 is formed of a steel plate material,
Similar to the scaffolding bodies 2 and 2, both side portions are bent in a U shape so that the connecting member 3 can be slid in the scaffolding bodies 2 and 2. In addition, the upper surface of the scaffolding main body 2 has a cutout portion 4 in the width direction.
Open the holes 4, and reverse U between the notches 4, 4 ,.
Girder part 6, which is bent in a letter shape and is provided with protrusions 5, 5, ...
6, ... are formed.

On the other hand, a nut 7 is welded to the upper surface of the connecting member 3, and a stopper 9 is formed between the nut 7 and the bolt 8.
Are fixed to the connecting member 3. Then, both ends of the stopper 9 are bent upward in an inverted U shape so as to project, and the both ends are formed in the concave portion 1 formed on the inner side surface of the girder portion 6 of the scaffold body 2.
The connection member 3 is fixed to one end portion of one scaffolding main body 2 by fitting it to 0 and 10.

Further, one side portion of the connecting member 3 is fitted into one end portion of the other scaffolding body 2 to connect the scaffolding bodies 2 and 2. Thus, when the temporary scaffold 1 is assembled, first, the connecting member 3 is slid on the end portion of the scaffold body 2. Then, the stopper 9 is attached to the connecting member 3 from the end of the scaffold body 2.
The nut 7 is positioned by fitting into the recesses 10 and 10 at appropriate positions so that one side of the protrusion protrudes. Then, the stopper 9 is fixed by the bolt 8 to fix the connecting member 3 to the end portion of the scaffold body 2.

After that, one side of the connecting member 2 is fitted into the end of the other scaffold body 2 to connect the scaffold bodies 2 and 2, and both ends of the temporary scaffold 1 are fixed to fix the temporary scaffold 1 to each other. Assemble.

[0007]

In the conventional temporary scaffold described above, the connecting member is fixed to the end of the scaffold main body by the stopper, and the end of the other scaffold main body is fitted into one side of the connecting member. Are connected. However, since the stopper is fixed by a bolt and a nut, and positioning work of the stopper and tightening work of the bolt are required, assembly and disassembly work of the temporary scaffolding is complicated and a great deal of labor is required. Further, since the stopper and the bolt are formed so as to be detachable from the nut, the temporary scaffold may not be assembled due to lack of members or the like. Furthermore, when the bolts and nuts are rusted during disassembly, it is necessary to cut them with a welder or the like, which is very inconvenient.

Therefore, it is not necessary to cut the members, and
A technical problem to be solved in order to easily disassemble and dismantle a temporary scaffold and prevent a shortage of members arises, and an object of the present invention is to solve the problem.

[0009]

The present invention has been proposed in order to achieve the above-mentioned object, and the both ends of the scaffold body in the width direction are bent in a U-shape, while the plate-shaped Both sides of the connecting member are bent in a U shape so that the connecting member can be slidably fitted in the scaffolding main body, and further stoppers projecting upward on the upper surface of the connecting member. Fixing, the stopper is fitted into a recess on the girder inner surface of the scaffolding body to fix the connecting member to one end of the scaffolding body, and one side of the connecting member is provided to project from the scaffolding body, In a temporary scaffolding in which one end of the connecting member is slidably connected to the end of another scaffolding body, one end of a leaf spring obliquely inclined upward is fixed to the upper surface of the connecting member. Moreover, the other end of the leaf spring is projected upward to form a stopper part, and the stopper part is formed on the girder of the scaffold body. Is to St. provide temporary scaffolding fitted detachably in the recess of the inner surface.

[0010]

According to the present invention, one end of the leaf spring is fixed to the upper surface of the connecting member, and the stopper is formed at the other end. Therefore, since the stopper portion is formed so as to be movable up and down by the elastic force of the leaf spring, it can be easily fitted into and removed from the concave portion of the inner side surface of the girder portion of the scaffold body.

When assembling the temporary scaffold, the leaf spring is compressed on the end of the scaffold body, the connecting member is slid, and the compression is released at an appropriate position of the girder. Fits in the recess of the scaffold body and the connecting member is fixed to the scaffold body. Then, if one side portion of the connecting member fixed to the end portion of the scaffolding body is fitted into the end portion of the other scaffolding body, the scaffolding body is connected by the connecting member to assemble the temporary scaffolding.

Further, when disassembling the temporary scaffold, if the leaf spring is compressed downward, the engagement between the stopper portion and the recess is released, and the connecting member is detached from the scaffold body.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In the figure, 20 is a temporary scaffold, and as shown in FIG. 1, the temporary scaffold 20 is a scaffold main body 21, 21.
It is configured by connecting. The scaffold body 21 is formed of a steel plate material, and as shown in FIGS. 2 and 3, both sides thereof are bent in a U-shape to improve rigidity. The scaffold bodies 21, 21 are connected by a connecting member 22.

As shown in FIGS. 4 to 6, the connecting member 22 is formed of a steel plate, and both sides thereof are bent in a U-shape so as to have substantially the same shape as the scaffold bodies 21 and 21. The member 22 is formed so as to be slidable within the scaffold bodies 21 and 21. On the other hand, as shown in FIG. 2, FIG. 3, and FIG. 7, the upper surface of the scaffold main body 21 has notches 23, 23, ... Opened in the width direction. The bent portions 25, 25, ... Are formed by bending the cutout portions 23, 23, ... Between the cutout portions 23, 23 ,.

Further, as shown in FIGS. 4 to 6, one end of a leaf spring 26 formed of a steel plate is fixed to the upper surface of the connecting member 22 with rivets 27, 27. The leaf spring 2
The reference numeral 6 is inclined upward, further extends forward, and a tip portion thereof is bent in an inverted U shape protruding upward to form a stopper portion 28. The stopper portion 28 is formed so as to be vertically movable by the elastic force of the leaf spring 26.

As shown in FIGS. 2 and 3, the stopper portion 28 is fitted in a recess 29 formed on the back surface of the girder portion 25 and urges the girder portion 25 upward. Therefore, the connecting member 22 is fixed to the end portion of the one scaffolding main body 21. Further, one side portion of the connecting member 22 is fixed by protruding one side portion from the end portion of the one scaffolding main body 21, and the one side portion is fitted into the end portion of the other scaffolding main body 21 to scaffold the scaffolding. The main bodies 21 and 21 are connected.

When assembling the temporary scaffold 10, first, the connection member 22 is slid on the end of the scaffold body 21 while compressing the leaf spring 26 of the connection member 22 downward. Then, by releasing the compression and fitting the stopper portion 28 into the recess 29 at an appropriate position where one side portion of the scaffolding body 21 projects from the end of the scaffolding body 21, the connecting member 22 can be easily attached to the scaffolding body 21. Can be fixed at the end. .

Further, one side of the connecting member 22 is fitted into the end of the other scaffold body 21 to connect the scaffold bodies 21 and 21, and both ends of the temporary scaffold 20 are fixed to fix the temporary scaffold 20.
Assemble. Further, when disassembling the scaffold main bodies 21 and 21, if the leaf spring 26 is compressed downward, the connecting member 22
The stopper portion 28 is detached from the concave portion 29 of the scaffolding bodies 21 and 21, so that the scaffolding bodies 21 and 21 and the connecting member 22 can be easily disassembled.

The present invention can be modified in various ways without departing from the spirit of the present invention, and it goes without saying that the present invention extends to such modifications.

[0020]

As described in detail in the above one embodiment, the present invention provides the connecting member with a leaf spring, and the stopper portion is formed to be vertically movable by the elastic force of the leaf spring. Therefore, when the stopper part is attached to or detached from the recess of the scaffold body, the work of tightening the bolt on the nut is eliminated, and the temporary scaffold can be easily assembled. In addition, since the bolt and the nut are not needed, it is possible to prevent the temporary scaffold from being unassembled due to insufficient members. Further, the present invention has a great effect that the cutting work at the time of disassembling the temporary scaffold due to the rusting of the bolts and nuts is eliminated, and the labor required for assembling and disassembling the temporary scaffold can be significantly reduced.

[Brief description of drawings]

FIG. 1 is a plan view of a temporary scaffold.

FIG. 2 is a partially cutaway sectional view of a temporary scaffold showing a state where a stopper portion and a recess are fitted together.

FIG. 3 is a cross-sectional view of the temporary scaffold showing a state in which the connecting member is fitted in the scaffold body.

FIG. 4 is a sectional view of a connecting member.

FIG. 5 is a rear view of the connection member.

FIG. 6 is a plan view of a connecting member.

FIG. 7 is a partially cutaway plan view of the scaffold body.

FIG. 8 is a partially cutaway cross-sectional view showing a state in which a stopper portion and a recess portion of a conventional temporary scaffold are fitted together.

FIG. 9 is a cross-sectional view showing a state in which a conventional connecting member for a temporary scaffold is fitted into a scaffold body.

[Explanation of symbols]

 20 Temporary scaffold 21 Scaffold main body 22 Connection member 26 Leaf spring 28 Stopper part 29 Recessed part

Claims (1)

[Claims] 1. A scaffold body is bent at both ends in the width direction into a U shape, while both side portions of a plate-like connecting member are bent into a U shape so that the connecting member is inside the scaffold body. The scaffold body is formed so that it can be slidably fitted, and further, a stopper projecting upward is fixed on the upper surface of the connecting member, and the stopper is fitted into a recess on the inner side surface of the girder portion of the scaffold body. A temporary structure in which the connecting member is fixed to one end of the scaffolding, one side of the connecting member is projected from the scaffolding main body, and one end of the connecting member is slidably connected to an end of another scaffolding main body. In the scaffolding, one end of a leaf spring obliquely provided obliquely upward on the upper surface of the connecting member is fixed, and the other end of the leaf spring is projected upward to form a stopper portion. A temporary scaffolding characterized in that a stopper part is detachably fitted into a recess on an inner surface of a girder part of the scaffold body.