JP6772089B2 - Scaffolding binders and outer walls - Google Patents

Description

The present invention relates to scaffolding binders and outer walls.

In Patent Document 1, an insertion hole for a scaffolding side bolt is formed in advance in a sleeve joint that is inserted into a hollow of vertically arranged mullion to connect the upper and lower mullion, and at a position corresponding to the insertion hole. It is disclosed that the nut to which the scaffolding side bolt is screwed is welded and fixed.

Japanese Unexamined Patent Publication No. 2003-3343082

However, in the technique of Patent Document 1, the mounting position of the scaffolding side bolt is limited, and it is necessary to make a hole in the sleeve joint or weld the nut in advance, so that the scaffolding side bolt can be mounted. There was a problem that the work became troublesome.
On the other hand, there has been a demand for a scaffold that can be easily connected to a mullion at a construction site such as a building and that can be easily removed when the scaffold is dismantled.

Therefore, an object of the present invention is to provide a scaffold binder and an outer wall that can be easily attached to a mullion and easily removed when the scaffold is disassembled.

The invention according to claim 1 includes a nut, a holding member, and a mullion sandwiching tool. The nut is for screwing a foothold side bolt, and the holding member is substantially composed of left and right side walls and a bottom wall. It has a character shape, the head is placed on the mullion side of the bottom wall, and the nut is held between the left and right side walls with a fixing bolt through which the bottom wall is inserted. The mullion narrow fitting is a mullion left narrow. It consists of a fastening member and a mullion right narrowing member, and the mullion left narrowing member and the mullion right narrowing member come into contact with the left and right side walls of the holding member from the left and right sides to sandwich the holding member, and a fastening bolt and a fastening nut. It is a scaffolding fastener characterized by being fastened and fixed with.

The invention according to claim 2 is an outer wall characterized in that the scaffold and the mullion are connected by the scaffold binder according to claim 1.

According to the inventions of claims 1 and 2, a holding member having a nut fastened to the bottom wall with a fixing bolt is sandwiched between a mullion left narrowing member and a mullion right narrowing member from the left and right, and fastened with a fastening bolt. Since it is only fastened and fixed with nuts, the scaffolding connector can be easily attached to the mullion.
When disassembling the scaffold, the scaffold binder can be easily removed simply by removing the fastening between the fastening bolt and the fastening nut.

It is a figure which shows the state which attached the scaffolding binder which concerns on this embodiment to the mullion, (a) is the side view, (b) is the front view, (c) is the cross-sectional view of AA shown in (a). Is. It is a perspective view which shows the state which the scaffolding binder which concerns on this embodiment is attached to the mullion, and is the enlarged view of the part E shown in FIG. It is a perspective view which shows the mullion of the building shown in FIG. It is a figure of the mullion right sandwiching member, (a) is a side view, (b) is the FF sectional view shown in (a), and (c) is the front view seen from the scaffolding side. It is a figure of the holding member, (a) is a side view, (b) is a rear view seen from the mullion side, and (c) is the GG sectional view shown in (a). It is a figure of a fixing bolt, (a) is a side view, and (b) is a rear view seen from the mullion side. It is a view of a nut, (a) is a side view, and (b) is a front view seen from the scaffolding side. It is a view of a rubber plate, (a) is a side view, and (b) is a front view seen from the scaffolding side. It is a figure of the sponge pad, (a) is a side view, (b) is a front view of an end face. It is a figure which shows the state which scaffolding is built in the building, (a) is the front view, (b) is the BB sectional view shown in (a), (c) is the CC sectional view shown in (a). is there.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 10 shows the building 1 of the curtain wall construction method under construction. Scaffolding 3 is built around this building 1. A scaffolding binder 9 (see FIGS. 2 and 3) is fixed to a mullion 7 constituting the outer wall 5 of the building 1, and a scaffolding side bolt 11 fixed to the scaffolding 3 is connected to the scaffolding binder 9. ing.
In the present embodiment, the scaffolding binder 9 is attached to a predetermined mullion 7 near the ceiling and the floor of each floor of the building 1, as shown in FIGS. 10 (b) and 10 (c) and 3.

As shown in FIGS. 1 and 2, the scaffolding binder 9 includes a nut 13, a holding member 15, and a mullion sandwiching tool 17.
As shown in FIGS. 1A and 1C, the nut 13 is for screwing the scaffolding side bolt 11, and is a high nut as shown in FIG.
As shown in FIGS. 1 and 5, the holding member 15 has a substantially U-shape including a left side wall 15a, a right side wall 15b, and a bottom wall 15c. As shown in FIG. 5, two bolt insertion holes 19 are formed in the left side wall 15a and the right side wall 15b at intervals in the longitudinal direction. A bolt insertion hole 21 is formed in the bottom wall 15c substantially at the center in the longitudinal direction.
Further, as shown in FIG. 1, the left side wall 15a and the right side wall 15b sandwich and hold the side surface of the nut 13 described above.
As shown in FIGS. 1A and 6, the shaft portion 23b of the fixing bolt 23 having the head 23a arranged on the mullion 7 side is inserted into the bolt insertion hole 21 of the bottom wall 15c.

As shown in FIG. 1B, the mullion sandwiching tool 17 is composed of a mullion left narrowing member 17a and a mullion right narrowing member 17b. The mullion left sandwiching member 17a and the mullion right sandwiching member 17b sandwich the holding member 15 described above and fasten it with a fastening bolt 25 and a fastening nut 27. In the holding member 15, an auxiliary nut 28 for fixing the right side wall 15b and the mullion right sandwiching member 17b is screwed into the shaft portion 25b of the fastening bolt 25 with the head portion 25a.
FIG. 4 shows a mullion right sandwiching member 17b, but since the mullion left sandwiching member 17a has the same configuration as the mullion right sandwiching member 17b, the mullion right sandwiching member will be described below. 17b will be described, and the same reference numerals will be given to the portions that exert the same action and effect on the mullion left sandwiching member 17a, and the description thereof will be omitted.
The mullion right sandwiching member 17b includes a mullion locking portion 29 that locks to the right end 7c of the front side wall 7a of the mullion 7, and a mullion contact portion 30 that contacts the front surface of the front side wall 7a of the mullion 7. A holding member contact portion 31 that protrudes from the mullion contact portion 30 toward the scaffolding side and abuts on the right side wall 15b of the holding member 15 from the right side is integrally formed.
The mullion locking portion 29 is formed with a groove 29a into which the right end 15c of the front side wall 7a of the mullion 7 is inserted.
The holding member contact portion 31 is formed with a bolt insertion hole 33 through which the shaft portion 25b of the fastening bolt 25 is inserted at a distance from each other.
In the mullion left sandwiching member 17b, the mullion locking portion 29 is locked to the left end 7b of the front side wall 7a, and the holding member contact portion 31 abuts on the left side wall 15a of the holding member 15 from the left side.

As shown in FIG. 1 (c), between the head 23a of the fixing bolt 23 and the front side wall 7a of the mullion 7, each mullion of the mullion left sandwiching member 17a and the mullion right sandwiching member 17b. A rubber plate 35 shown in FIG. 8 is interposed between the contact portion 30 and the front side wall 7a of the mullion 7. An adhesive tape is attached to the rubber plate 35. Further, a sponge pad 37 shown in FIG. 9 is sandwiched between each mullion locking portion 29 and the left end 7b and the right end 7c of the corresponding mullion 7.

Next, the attachment of the scaffolding binder 9 will be described.
As shown in FIG. 1, nuts 13 are arranged between the left and right side walls 15a and 15b of the holding member 15, and the shaft portion 23b of the fixing bolt 23 is inserted into the bolt insertion hole 21 of the bottom wall 15c of the holding member 15 from the mullion 7 side. Is inserted, and the inserted shaft portion 23b is screwed halfway into the nut 13. In this way, the fixing bolt 23 and the nut 13 are attached to the holding member 15.
A rubber plate 35 is attached to the head 23a of the fixing bolt 23.
Further, a sponge pad 37 is fitted in the groove 29a of each mullion locking portion 29 between the mullion left sandwiching member 17a and the mullion right sandwiching member 17b, and the head 23a of the fixing bolt 23 and the mullion left sandwiching. A rubber plate 35 is attached to each mullion contact portion 30 of the mullion member 17a and the mullion right sandwiching member 17b.
Next, the head 23a of the fixing bolt 23 with the rubber plate 35 is applied to the front surface of the front side wall 7a of the mullion 7. In this state, the groove 29a of the mullion locking portion 29 of the mullion left sandwiching member 17a is fitted into the left end 7b of the front side wall 7a of the mullion 7, and the holding member contact portion 31 of the mullion left sandwiching member 17a. Is applied to the left side wall 15a of the holding member 15 from the left side, the mullion right sandwiching member 17b is fitted to the right end 7c of the front side wall 7a of the mullion 7, and the holding member contact portion 31 of the mullion right sandwiching member 17b. Is applied to the right side wall 15b of the holding member 15 from the right side, and the holding member 15 is sandwiched between the mullion left sandwiching member 17a and the mullion right sandwiching member 17b from the left and right.
After that, the shaft portion 25b of the fastening bolt 25 is inserted into the bolt insertion hole 33 of the square right sandwiching member 17b and the bolt insertion hole 19 of the right side wall 15b of the holding member 15, and the auxiliary nut 28 is screwed into the square. After sandwiching the right side wall 15b of the holding member 15 of the right sandwiching member 17b between the auxiliary nut 28 and the head portion 25a of the fastening bolt 25, the shaft portion 25b of the fastening bolt 25 is further inserted into the left side wall 15a of the holding member 15. It is inserted into the hole 19 and the bolt insertion hole 33 of the square left sandwiching member 17a, the fastening nut 27 is screwed into the shaft portion 25b, and the fastening nut 27 and the auxiliary nut 28 are tightened.
On the other hand, the scaffolding side bolt 11 is attached by screwing the scaffolding side bolt 11 into the nut 13 as shown in FIGS. 1A and 1C.

When disassembling the scaffold 3, the scaffold side bolt 11 screwed into the nut 13 is removed from the nut 13.
To remove the scaffolding binder 9, loosen the fastening nut 27, the auxiliary nut 28, and the fastening bolt 25 from the mullion pinching tool 17, and then from the mullion 7 to the mullion left pinching member 17a and the mullion right pinching member. 17b is removed and the holding member 15 is removed together with the rubber plate 35.

Next, the action and effect of the scaffolding binder 9 will be described.
As shown in FIGS. 1 and 2, according to the scaffolding binder 9 according to the present embodiment, the holding member 15 in which the nut 13 is fixed to the bottom wall 15c with the fixing bolt 23 is mullioned with the mullion left narrowing member 17a. Since it is simply sandwiched between the right narrow fitting member 17b from the left and right and fastened and fixed with the fastening bolt 25 and the fastening nut 27, it can be easily attached to the mullion 7.
When disassembling the scaffold, it can be easily removed by simply loosening the fastening of the fastening bolt 25 and the fastening nut 27 and the auxiliary nut 28.

Since the nut 13 is fixed by the fixing bolt 23 and is not welded, the production efficiency can be improved and the cost can be reduced. The quality can also be stable.
Since the nuts 13 are provided between the left and right side walls 15a and 15b of the holding member 15, the rotation of the nuts 13 can be prevented. Further, the nut 13 can be stably held by suppressing the lateral displacement of the nut 13.
Since the mullion left sandwiching member 17a and the mullion right sandwiching member 17b abut from the left and right side walls 15a and 15b of the holding member 15, between the mullion left sandwiching member 17a and the mullion right sandwiching member 17b. Since the width of the mullion can be adjusted by sliding, it is possible to support various mullion 7 by preparing holding members 15 having different widths.
When dismantling the scaffolding, all the scaffolding binders 9 can be removed, so they can be reused.
Since the mullion left sandwiching member 17a and the mullion right sandwiching member 17b sandwich the left and right ends 7b and 7c of the front side wall 7a of the mullion 7, any position in the vertical direction of the front side wall 7a of the mullion 7 Can be attached to.
Since the auxiliary nut 28 is screwed into the fastening bolt 25 and the right side wall 15b of the holding member 15 is fixed by the head portion 25a of the fastening bolt 25 and the auxiliary nut 28, the left and right side walls 15a by tightening the fastening nut 27, Deformation of 15b can be prevented.
Between the head 23a of the fixing bolt 23 and the front side wall 7a of the mullion 7, each mullion contact portion 30 of the mullion left sandwiching member 17a and the mullion right sandwiching member 17b, and the front side wall of the mullion 7. Since the rubber plate 35 is interposed between the 7a and the mullion 7, it is possible to prevent the mullion 7 from being damaged by the scaffolding binder.

The present invention is not limited to the above-described embodiment, and can be variously modified without departing from the gist of the present invention.
The mullion locking portions 29 of the mullion left sandwiching member 17a and the mullion right sandwiching member 17b are not limited to the grooves 29a, and may be formed in an L-shape in a plan view, or the mullion 7 may be formed respectively. Anything that locks from the left right side will do.

3 Scaffolding 5 Outer wall 7 Mullion 9 Mullion binder 13 Nut 15 Holding member 15a Left side wall 15b Right side wall 15c Bottom wall 17 Mullion pinching tool 17a Mullion left pinching member 17b Mullion right pinching member 23 Fixing bolt 23a Head Part 25 Fastening bolt 27 Fastening nut

Claims (2)

It is equipped with a nut, a holding member, and a mullion sandwiching tool. The nut is for screwing a foothold bolt, and the holding member forms a substantially U-shape consisting of left and right side walls and a bottom wall, and is formed on the bottom wall. The head is placed on the mullion side and the nut is held between the left and right side walls with a fixing bolt through which the bottom wall is inserted. It is characterized in that the mullion left narrowing member and the mullion right narrowing member are in contact with the left and right side walls of the holding member from the left and right sides, sandwich the holding member, and are fastened and fixed with fastening bolts and fastening nuts. A scaffolding tool. An outer wall characterized in that the scaffolding and the mullion are connected by the scaffolding binder according to claim 1.

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