JP6772091B2 - 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 holding member, a fixing bolt, and a nut. The holding member has a substantially U-shape composed of left and right side walls and a bottom wall, and a square front wall view is provided on the bottom wall. It has a fixing part that is fixed to the attached surface, and the fixing bolt stops the head from rotating at the base end part of the side wall of the holding member and the cut part formed on the bottom wall, and the tip of the bolt part protrudes toward the scaffolding side from the side wall. The nut is held by the holding member, and the nut has screwed parts on the scaffolding side and the cubic side, the scaffolding side screwed part is for screwing the scaffolding side bolt, and the fixing bolt is screwed into the cubic side screwed part. It is a scaffolding binder that is characterized by this.

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, the bottom wall of the holding member that detents the head of the fixing bolt is fixed to the mullion front wall finding surface by the fixing portion, and the bolt portion of the fixing bolt is turned. Since the nut is attached by screwing it into the vertical screw-in part, it can be easily attached to the mullion.
Further, when disassembling the scaffold, it can be easily removed by removing the scaffold side bolt from the nut. The holding member and the nut are still attached to the mullion, but they are hidden by the left and right auxiliary materials attached to the mullion, so they are left as they are.

It is a cross-sectional view which shows the state which attached the scaffolding binder which concerns on this embodiment to a mullion. It is a figure of the holding member to which a nut is attached, (a) is a perspective view, (b) is a side view, and (c) is a bottom view. (A) is a perspective view showing the mullion of the building shown in FIG. 4, the auxiliary material, and the transom light, and (b) is an enlarged view of the part E shown in (a). 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. 4 shows the building 1 of the curtain wall construction method under construction. Scaffolding 3 is built around this building 1. In the building 1, a scaffolding binder 9 (see FIG. 3) is fixed to a mullion 7 constituting the outer wall 5, and a scaffolding side bolt 11 fixed to the scaffolding 3 is connected to the scaffolding binder 9. Further, as shown in FIG. 3, the transom 10 and the auxiliary member 16 are fixed to the front side of the mullion 7.
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. 4 (b) and 4 (c) and 3.

As shown in FIGS. 1 and 2, the scaffolding binder 9 includes a holding member 14, a fixing bolt 13, and a nut 15.
The holding member 14 has a substantially U-shape composed of left and right side walls 17, 17 and a bottom wall 19, and a fixing portion 21 fixed to the front wall finding surface 8c (see FIG. 1) of the mullion 7 on the bottom wall 19. Is provided. The fixing portions 21 include screw insertion holes 26 provided at intervals in the longitudinal direction of the bottom wall 19, and fixing screws 25 that are inserted into the screw insertion holes 26 and fixed to the front wall finding surface 8c of the mullion 7. It is composed of.
As shown in FIG. 2C, the left and right side walls 17 and 17 have a distance W1 between the facing surfaces facing each other narrower than the minimum diameter H of the head 13a of the fixing bolt 13. Further, in the present embodiment, the minimum diameter H of the head portion 13a of the fixing bolt 13 is substantially the same as the distance W2 between the outer surfaces of the left and right side walls 17 and 17.
A cut portion 23 for fitting the head portion 13a of the fixing bolt 13 to the base end portions 17c of the bottom wall 19 and both side walls 17 and 17 is formed at a substantially central portion of the bottom wall 19 in the longitudinal direction.
Vertical surface portions 17a projecting from the scaffolding side and inclined surface portions 17b are formed on both sides of the vertical surface portions 17a on the left and right side walls 17 and 17. The inclined surface portion 17b is inclined so as to be lowered from the vertical surface portion 17a toward the bottom wall 19 side.
The vertical surface portion 17a is formed with a recess 27 recessed on the bottom wall 19 side at a position corresponding to the cut portion 23.

The head 13a of the fixing bolt 13 is fitted into the cut portion 23 of the holding member 14 to prevent it from rotating. The tip of the bolt portion (shaft portion) 13b of the fixing bolt 13 projects toward the scaffolding side from the vertical surface portions 17a and 17a of the side walls 17 and 17 of the holding member 14.

The nut 15 is a high nut, and as shown in FIGS. 2A and 2B, the mullion side end portion 15a of the nut 15 is arranged in a recess 27 formed in the side walls 17 and 17 of the holding member 14. ..
The nut 15 has a scaffolding side screwing portion 29a and a mullion side screwing portion 29b, and the scaffolding side screwing portion 29a and the mullion side screwing portion 29b are continuous threaded grooves.
The scaffolding side screwing portion 29a is for screwing the scaffolding side bolt 11, and the bolt portion 13b of the fixing bolt 13 is screwed into the mullion side screwing portion 29b.

Next, the assembly and attachment of the scaffolding binder 9 will be described.
As shown in FIG. 2, first, the bolt portion 13b of the fixing bolt 13 is inserted into the cut portion 23 of the bottom wall 19 of the holding member 14 from the back side of the bottom wall 19, and the head of the fixing bolt 13 is inserted into the cut portion 23. Fit 13a. The tip of the bolt portion 13b of the fixing bolt 13 protrudes from the side walls 17 and 17. The mullion-side screwing portion 29b of the nut 15 is screwed into the bolt portion 13b, and the nut 15 is attached to the fixing bolt 13.
As shown in FIGS. 1 and 3, the fixing bolt 13 and the nut 15 are assembled to the holding member 14, and the bottom wall 19 of the holding member 14 is brought into contact with the front wall finding surface 8a of the mullion 7. The shaft of the fixing screw 25 is inserted into the screw insertion hole 26 provided in the bottom wall 19 and screwed into the front wall finding surface 8c of the mullion 7. As a result, as shown in FIGS. 1 and 3 (b), the attachment of the scaffolding binder 9 is completed.
On the other hand, as shown in FIG. 1, the scaffolding side bolt 11 is attached by screwing the scaffolding side bolt 11 into the scaffolding side screwing portion 29a of the nut 15.

When disassembling the scaffold 3, the scaffold side bolt 11 screwed into the nut 15 is removed from the nut 15.
On the other hand, as shown in FIGS. 3B and 1, when the scaffold is disassembled, the holding member 14, the fixing bolt 13 and the nut 15 which are prevented from rotating around the holding member 14 are attached to the left and right auxiliary members 16 attached to the mullion 7. Leave it to hide.

Next, the action and effect of the scaffolding binder 9 will be described.
According to the scaffolding connector 9 according to the present embodiment, the bottom wall 19 of the holding member 14 that has stopped the head 13a of the fixing bolt 13 from rotating is fixed to the front wall finding surface 8a of the mullion 7 by the fixing portion 21. However, since the nut 15 is attached by screwing the mullion-side screwing portion 29b of the nut 15 into the bolt portion 13b of the fixing bolt 13, the attachment to the mullion 7 can be easily performed.
When disassembling the scaffold, the scaffolding side bolt 11 is simply removed from the nut 15, and the holding member 14, the fixing bolt 13 fixed to the holding member 14, and the nut 15 are hidden by the left and right auxiliary members 16 attached to the mullion 7. Therefore, it is easy to handle because it can be left as it is.
Since the scaffolding binder 9 can be attached only from the front side of the mullion 7 and the scaffolding binder 9 is not provided in the hollow portion 12 (see FIG. 3b) of the mullion 7, the scaffolding binder 9 to the mullion 7 Easy to install.

Since recesses 27 are formed in the side walls 17 and 17 of the holding member 14 at positions where the nuts 15 are attached, the nuts 15 can be easily positioned.
Since the holding member 14 only fixes the fixing portion 21 of the bottom wall 19 to the front wall finding surface 8a of the mullion 7, it is not easily affected by the type and size of the mullion 7, and is used for various mullion 7. Is possible.

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 fixing portion 21 provided on the bottom wall 19 of the holding member 14 is not limited to being fixed by the fixing screw 25, and may be fixed by a bolt nut, an adhesive or the like.

3 Scaffolding 5 Outer wall 7 Mullion 8c Front wall found surface 9 Scaffolding binder 11 Scaffolding side bolt 13 Fixing bolt 13a Head 14 Holding member 15 Nut 17 Side wall 19 Bottom wall 21 Fixing part 23 Cutting part 29a Scaffolding side screwing part 29b Vertical screwed part

Claims (2)

It is provided with a holding member, a fixing bolt, and a nut. The holding member has a substantially U-shape consisting of left and right side walls and a bottom wall, and the bottom wall has a fixing portion for fixing to a cubic front wall finding surface. However, the fixing bolt stops the head from rotating at the base end of the side wall of the holding member and the cut portion formed on the bottom wall, and the tip of the bolt portion protrudes toward the scaffold from the side wall and is held by the holding member. The nut has screwed portions on the scaffolding side and the scaffolding side, the scaffolding side screwed portion is for screwing the scaffolding side bolt, and the fixing bolt is screwed into the scaffolding side screwed portion. An outer wall characterized in that the scaffolding and the mullion are connected by the scaffolding binder according to claim 1.

Images