JPH09165906A - Scaffold wall tie and its construction method - Google Patents

Abstract

(57) [Abstract] [Problem] After the scaffolding has been removed, it is possible to cleanly and easily clean up the mounting marks left on the outer wall surface of the wall tie member, and even with the conventional wall tie member, the fixing strength is secured. A scaffold for wall connecting material to be provided and a construction method thereof. A scaffold wall connector 10 fixed to an outer wall base material of a building for connecting scaffold wall connectors, the scaffold wall connector 10 being provided from one end surface of a columnar body 11. , A female screw 12a along the axial direction of the cylindrical body 11
Is provided, and a round hole portion 13 is provided in which a round hole having a diameter smaller than that of the female screw 12a is formed from the other end surface so as to communicate with the female screw portion 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scaffold wall joining tool used for fixing a wall joining material to an outer wall in order to construct a scaffold at a construction site, and a construction method thereof.

[0002]

2. Description of the Related Art Conventionally, a wall connecting material which is used by being fixed to an outer wall of a building for constructing a scaffold at a construction site, its mounting structure and the like have been disclosed in Japanese Utility Model Publication No. 57-97044 and JP-A-6-97044. The example described in Japanese Patent Publication No. 317008 is cited. Further, Japanese Patent Laid-Open No. 7-207924 discloses an example of a structure in which a reinforcing metal object is attached to the wall connecting material in order to firmly fix the wall connecting material to the outer wall.

[0003]

However, in the scaffold wall connecting device disclosed in Japanese Utility Model Laid-Open No. 57-97044, the through hole of the bolt left on the outer wall after the scaffold wall connecting device is removed is repaired. Need to
Even in the case of the scaffold anti-shake device described in JP-A-6-317008, the through holes for the fixing bolts of the turnbuckle are left in the decorative curtain plate at the joint portion of the outer wall, and the holes are the same as in the former case. There is a problem that it involves repairing the blockage.

Further, in the wall tie receiving reinforcement metal piece disclosed in Japanese Patent Application Laid-Open No. 7-207924, a wall tie material constituted by a conventional turnbuckle and the like, and a metal tie piece for fixing to an outer wall. In the meantime, a bowl-shaped reinforcing metal member that comes into contact with the outer wall surface is used to reinforce the compression and bending strength, but there is a problem that the structure is complicated and the construction cost and cost are high.

The present invention has been made in view of the above problems, and an object of the present invention is to solve these problems and to provide the outer wall surface of the wall tie member after the scaffolding is removed. (EN) A scaffolding wall connecting tool for wall connecting materials and a construction method therefor, in which the remaining mounting marks can be cleaned up easily and easily, and the fixing strength can be secured even when the conventional wall connecting materials are used.

[0006]

A scaffold wall tie according to claim 1, which is a scaffold wall tie fixed to an outer wall base material of a building for connecting the wall tie of the scaffold. The scaffold wall connector is provided with a female screw portion in which a female screw is cut along the axial direction of the columnar body from one end face of the columnar body, and a round hole having a smaller diameter than the female screw is provided from the other end face. It is characterized in that it has a structure in which a round hole is provided so as to communicate with the female screw portion.

According to a second aspect of the present invention, in the method for constructing a scaffold wall connecting tool, the scaffold wall connecting tool according to the first aspect is inserted from a round hole side into a mounting hole formed by penetrating a face material of an outer wall. Then, after abutting the base material of the outer wall of the building from the right angle direction,
The tapping screw is inserted from the round hole side and fixed to the outer wall base material, and then the male screw portion at the end of the wall connecting material is fixed to the female thread portion of the wall connecting tool by screwing to fix the scaffolding. It is characterized by building.

In the construction method of the scaffold wall tie according to claim 3, after removing the wall tie, the gap between the mounting hole and the outer periphery of the scaffold wall tie according to claim 1 is filled with a waterproof material. The hole closing member is screwed to the female screw portion of the scaffold wall joint with a water blocking material interposed.

SS400 and stainless steel are preferably used for the material of the columnar body which is the scaffold wall joint of the present invention. Further, for materials requiring rust prevention, it is preferable to apply rust prevention treatment such as zinc plating.

In order to manufacture the columnar body of the scaffold wall connecting tool, a steel bar having a diameter of about 18 mm to 20 mm is cut into a length equal to the thickness of the outer wall, and one end side thereof is used as a general wall connecting material. If you want to form a female screw part by cutting a female screw with a diameter of 12 mm (in terms of strength) equivalent to that used generally, or if you use a dedicated wall connecting material, make sure to provide a female screw with a diameter that matches it. do it.

Further, a hole having an inner diameter of approximately 6.5 mm is bored from the opposite side of the columnar body so as to communicate with the female screw portion,
A round hole may be formed so that a tapping screw having a diameter of 6 mm can be inserted therethrough.

Further, the hole closing member may be a bolt,
The columnar body may be made of the same material, and its head diameter may be the same as the outer diameter of the columnar body. Further, this bolt may be made of a synthetic resin with an integrated packing, and may be colored according to the color of the outer wall surface.

[0013]

In the scaffold wall connector according to claim 1, the scaffold wall connector has a female screw portion in which a female screw is cut from one end surface of the cylindrical body along the axial direction of the cylindrical body. A circular hole having a diameter smaller than that of the female screw is provided from the other end face so as to communicate with the female screw portion to form the circular hole portion, and therefore, the direction perpendicular to the outer wall base material of the building is provided. Further, the tapping screw can be inserted from the round hole side and firmly fixed to the outer wall base material by screwing, and further has the characteristics listed below.

1) It can be attached to any place where the outer wall base material is present. 2) Since the end face of the columnar body of the scaffold wall connector is abutted and fixed by the surface to the outer wall base material, the fixation is stable, and
The compression and bending strength can be significantly improved. 3) By making the length of the columnar body the same as the thickness of the outer wall to which it is attached and making the outer end surface and the wall surface flush with each other, it is possible to stabilize the fixing and improve the accommodation of the bolt as the hole closing member. it can. 4) A conventional wall tie member can be connected to the female screw portion for use, which is versatile. 5) Since the tool is inserted into the columnar body in the mounting work using the tapping screw, the work can be performed without damaging the outer wall with the tool or the like. 6) Since the bolt as the hole closing member is removable,
It can be reused, and even if it remains attached, it hardly protrudes outside the outer wall surface, so it does not interfere with other members around the outer wall and interferes with the work. There is no.

According to a second aspect of the present invention, in the method for constructing a scaffold wall joint, the scaffold wall joint according to the first aspect is inserted from a round hole side into a mounting hole formed by penetrating a face material of an outer wall. Then, after abutting the base material of the outer wall of the building from the right angle direction,
A tapping screw is inserted from the round hole side to fix the outer wall base material to the outer wall base material, and then a male screw portion at the end of the wall joint material is fixed to the female thread portion of the scaffold wall joint by screwing. Since it has been constructed so that the fixation is stable,
The compression and bending strength can be significantly improved. or,
A conventional wall tie material can be connected to the female thread portion and used, which is versatile and can reduce construction costs.

In the construction method of the scaffold wall tie according to claim 3, after removing the wall tie, the gap between the mounting hole and the outer periphery of the scaffold wall tie according to claim 1 is filled with a waterproof material. Since the hole closing member is screwed to the female thread portion of the scaffold wall joint with the water blocking material interposed, the waterproof treatment is completed and the hole closing member can be attached and detached. It can also be reused in case of scaffolding reconstruction.

When the hole closing member is a bolt,
By keeping the height of the head of the bolt low, it is possible to eliminate discomfort with respect to the outer wall surface, and by applying the same color coating to the head, a more effective finish can be achieved.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments will be described below with reference to the drawings. FIG. 1 is a cross-sectional view showing an example of the scaffold wall connecting tool of the present invention. In FIG. 1, a scaffold wall connector 10 of the present invention is a scaffold wall connector that is fixed to an outer wall base material of a building and is used to connect the wall connector of the scaffold. The scaffold wall connector 10 is provided with a female screw portion 12 in which a female screw 12a having an axial center as a center is cut from one end surface of a cylindrical body 11 made of steel along the axial direction of the cylindrical body 11. The
A round hole having a diameter smaller than that of the female screw 12a is formed from the other end face so as to communicate with the female screw portion 12 and a round hole portion 13 is provided.

The cylindrical body 11 is made by cutting a stainless steel rod having a diameter of 18 mm into a length equal to the thickness of the outer wall, and has a diameter of 12 mm, which is the same as that commonly used for a general wall connecting material. A female screw portion 12 is formed by cutting the female screw 12a (in terms of strength). Therefore, the female screw portion 12
An external thread portion of an end portion of a general wall tie member (which is constituted by a turnbuckle or the like) can be screwed onto the.

The inner diameter of the round hole 13 is approximately 6.5 mm.
Is formed so that a tapping screw having a diameter of 6 mm can be inserted into the female screw portion 12 so as to be communicated therewith. Incidentally, in the scaffold wall connector 10 of the present embodiment, when the diameter of the columnar body 11 is 18 mm, the total length L is 33 mm and the depth of the round hole 13 is 5 mm according to the thickness of the outer wall portion. There is.

A conventional wall joint member 20 as shown in FIG. 2 is connected to the scaffold wall joint tool 10 for use. That is, the main body portion 21 of the wall tie member 20 has a structure capable of expanding and contracting, the holding portion 22 for fixing to the scaffolding pipe is provided at one end, and the end portion on the other end side is detachably fixed. The rod 23 is fixed by an eyebolt 24, and a male screw 23a is provided at the tip of the fixed rod 23.

The male screw 23a of the wall tie member 20 is the female screw 12 of the female screw portion 12 of the scaffold wall tie 10 of the present invention.
It is used by being screwed to a.

FIG. 3 is a cross-sectional view showing an example of a method of constructing the scaffold wall connecting tool of the present invention according to claim 2. In FIG. 3, reference numeral 1 is a floor beam which is a structural material of the outer wall portion of the building unit that constitutes the upper floor of the unit building, and a frame member 2 is horizontally extended outside the floor beam 1. , This frame material 2
The outer wall panel 3 is attached to the outer wall of the building to construct the outer wall.

The present embodiment is a construction method of a wall tie member 20 (shown in FIG. 2) for constructing a scaffold on the floor beam 1 which is this structural material. That is, the outer wall panel 3 is first registered at an appropriate position on the side surface 1a of the floor beam 1 where it lies.
First, a mounting hole 4 having a diameter slightly larger than the outer diameter of the scaffold wall joint 10 to be used is formed.

The scaffold wall connector 10 is inserted into the mounting hole 4 from the side of the round hole 13 thereof, and is brought into contact with the side surface 1a of the floor beam 1 at a substantially right angle.
The tapping screw 5 is fixed to the side surface 1a of the floor beam 1 by screwing using a drill.

The outer end surface of the scaffold wall joint 10 fixed as described above is substantially flush with the wall surface of the outer wall 3,
It does not project outside the outer wall 3 and does not interfere with work or other construction members.

Subsequently, as shown in FIG. 4, the male screw 23a at the tip of the wall connecting member 20 shown in FIG. 2 is fixed to the male screw 12a of the female screw portion 12 of the scaffold wall joint 10 by screwing. Wall ties 20 for building scaffolding by
Installation is completed.

The scaffold wall connector 10 attached as described above is fixed to the side surface 1a of the floor beam 1 by surface contact with its end face in close contact, so that it is compressed by the wall connecting material. It is possible to provide an excellent resistance against a load and a bending load, which has never been obtained.

FIG. 5 is a cross-sectional view showing an example of a method of constructing the scaffold wall connecting tool of the present invention according to claim 3. The present embodiment is a method of disposing of the mounting hole 4 after removing the wall tie member 20. That is, since the gap 3a is provided between the scaffold wall joint 10 that is left attached and is attached to the attachment hole 4 of the outer wall panel 3, first,
The gap 6 is filled with the waterproof material 6.

After that, the washer 8 and the waterproof packing 9 are inserted into the bolt 7, and the bolt 7 is screwed into the male screw 12a of the female screw portion 12 of the scaffold wall connecting tool 10 so that the mounting hole 4 is fixed. The cleaning is completed, rainwater is prevented from entering through the mounting hole 4, and a complete waterproofing process is performed.

Since the bolt 7 is removable,
There is an advantage that it can be reused even in the case of rebuilding scaffolding for maintenance of wall surfaces.

Further, by suppressing the height H of the head of the bolt 7 to a low level, it is possible to eliminate the discomfort with respect to the outer wall surface, and by applying the same color as the wall surface to the head of the bolt 7, the external appearance is designed. Can be more effective finish.

[0033]

According to the scaffold wall connecting device of the first aspect, the scaffold wall connecting device is a female screw in which a female screw is cut from one end surface of the cylindrical body along the axial direction of the cylindrical body. Part is provided, and a round hole having a diameter smaller than that of the female screw is communicated with the female screw part from the other end face and is provided with the round hole part. In addition to being abutted from the right angle direction, a tapping screw can be inserted from the round hole side to be firmly fixed to the outer wall base material by screwing, and further has the features listed below.

1) The outer wall base material can be attached to any place. 2) Since the end face of the columnar body of the scaffold wall connector is abutted and fixed by the surface to the outer wall base material, the fixation is stable, and
The compression and bending strength can be significantly improved. 3) By making the length of the columnar body the same as the thickness of the outer wall to which it is attached and making the outer end surface and the wall surface flush with each other, it is possible to stabilize the fixing and improve the accommodation of the bolt as the hole closing member. it can. 4) A conventional wall tie member can be connected to the female screw portion for use, which is versatile. 5) Since the tool is inserted into the columnar body in the mounting work using the tapping screw, the work can be performed without damaging the outer wall with the tool or the like. 6) Since the bolt as a hole closing member is removable,
It can be reused, and even if it remains attached, it hardly protrudes outside the outer wall surface, so it does not interfere with other members around the outer wall and interferes with the work. There is no.

In the method for constructing the scaffold wall connector according to claim 2, the scaffold wall connector according to claim 1 is inserted from a round hole side into a mounting hole formed by penetrating the face material of the outer wall. Then, after abutting on the outer wall base material at a right angle, a tapping screw is inserted from the round hole side to fix the outer wall base material to the outer wall base material, and then a wall connecting material is attached to the female screw portion of the scaffold wall connecting tool. Since the scaffold is constructed by fixing the male screw part at the end of the by screwing, the fixation is stable, and the compression and bending strength can be greatly improved. Further, a conventional wall tie member can be connected to the female screw portion and used, which has versatility and can reduce construction cost.

In the method of constructing the scaffold wall tie according to claim 3, after removing the wall tie, the gap between the mounting hole and the outer periphery of the scaffold wall tie according to claim 1 is filled with a waterproof material. Since the hole closing member is screwed to the female screw portion of the scaffolding joint with the water blocking material interposed, the waterproofing process is completed and the hole closing member can be attached and detached. It can be reused in case of rebuilding.

When the hole closing member is a bolt,
By keeping the height of the head of the bolt low, it is possible to eliminate discomfort with respect to the outer wall surface, and by applying the same color coating to the head, a more effective finish can be achieved. Therefore, it is suitable as a scaffold wall joint and a construction method thereof.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing an example of a scaffold wall connecting tool of the present invention according to claim 1.

FIG. 2 is a side view of a conventional wall tie member.

FIG. 3 is a cross-sectional view showing an example of a method of constructing the scaffold wall connecting tool of the present invention according to claim 2.

FIG. 4 is a cross-sectional view showing a mode in which a wall connecting material is connected to the scaffold wall connecting tool of the present invention.

FIG. 5 is a cross-sectional view showing an example of a method of constructing the scaffold wall connecting tool of the present invention according to claim 3;

[Explanation of symbols]

 1 Floor Beam 1a Side Surface 2 Frame Material 3 Outer Wall Panel 3a Gap 4 Mounting Hole 5 Tapping Screw 6 Waterproof Material 7 Bolt 8 Washer 9 Packing 10 Scaffold Wall Connecting Tool 11 Cylindrical Body 12 Female Threaded Part 12a Female Screw 13 Round Hole 20 Wall Connecting material 21 Main body 22 Clamping portion 23 Fixed rod 23a Male screw 24 Eye bolt

Claims (3)

[Claims] 1. A scaffold wall tie for fixing scaffold wall tie material fixed to an outer wall base material of a building, comprising:
This scaffold wall connector is provided with a female screw portion in which a female screw is cut from one end face of the cylindrical body along the axial direction of the cylindrical body, and a round hole having a diameter smaller than the female screw from the other end face. Is a structure in which a round hole is provided by communicating with the female threaded portion to provide a scaffold wall connecting tool. 2. The scaffold wall tie according to claim 1 is inserted into a mounting hole formed through the face material of the outer wall from the side of the round hole, and is attached to the outer wall base material of the building at right angles. After touching,
A tapping screw is inserted from the round hole side and fixed to the outer wall base material, and a male scaffold at the end of the wall tie material is fixed to the female thread portion of the scaffold wall tie by screwing to build a scaffold. A method for constructing a scaffold wall tie that is characterized by: 3. After removing the wall tie, a waterproof material is filled in a gap between the mounting hole and the outer periphery of the scaffold wall tie, and a hole closing member is attached to the female thread portion of the scaffold wall tie as a water blocking material. The method for constructing a scaffold wall connector according to claim 2, wherein the scaffold wall connecting tool is screwed through.