JP2003343083A - Wall-tie mounting fitting for scaffolding - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an easy-to-handle wall-tie mounting fitting for scaffolding, which can be easily attached to a steel frame of a building and is prevented being bulky in transportation, storage and the like. <P>SOLUTION: This fitting 1 is equipped with screw mechanisms 2b and 4a for making a pawl part 2a of an indoor-side pawl member 2 get relatively close to a pawl part 3a of an outdoor-side pawl member 3 by rotating a shaft member 4, and a direction fixing means for holding the pawl parts 2a and 3a in the same direction by inhibiting the relative rotation of both the pawl members 2 and 3 on the shaft member 4. The direction fixing means is composed of a guide rail part 3b which is integrally provided in the pawl member 3. The pawl member 2 is assembled to the rail part 3b in such a manner as to be freely movable in the direction of a fail and inhibit the relative rotation of both the pawl members 2 and 3. A wall tie is coupled to a long nut 5 of the fitting 1. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to scaffold wall tie fittings.

[0002]

2. Description of the Related Art In the construction of steel-framed buildings, scaffolds installed around the building are connected to the building by wall ties, and in this case, the wall ties are attached to the building to attach the wall ties. Is used to connect the wall joint to the steel frame of the building through this fitting.

As such a wall joint mounting hardware, conventionally, as shown in FIG. 6 (a), a shaft member 53 is passed through an indoor side claw member 51 and an outdoor side claw member 52, and is attached to an outer peripheral portion of the shaft member 53. The formed male screw portion 53a and the female screw portion 51a provided on the indoor side claw member 51 are screwed together, and the long nut 54 is attached to the portion of the shaft member 53 protruding outward from the outdoor side claw member 52. It is known that it is attached so as to rotate integrally with 53 (Design Registration No. 1082522).

The mounting hardware 50 includes both claw members 51, 5
2 is turned upward, and the long nut 54 is turned to rotate the two claw members 51,
52 is brought close to each other to bring both claw members 51, 52 into engagement with the indoor and outdoor edges of the lower flange 55a of the H-shaped steel beam 55, which is a building steel frame, respectively.
Mounted on the side.

When this mounting of the hardware 50 is performed from the outdoor side, the indoor side claw member 51 is held upward by hand while the indoor side claw member 51 is held by the lower flange 55a of the H-shaped steel beam 55.
It is said that the long side nut 54 is rotated to engage the outdoor side claw member 52 with the outdoor side edge portion of the lower flange 55a of the H-shaped steel beam 55 while engaging with the indoor side edge portion of the above and maintaining the engaged state. Will be done like. The scaffold 56 is connected to the building by connecting the wall joint 57 screwed to the long nut 54 of the mounting hardware 50.

[0006]

However, in the above-described mounting hardware 50, when the indoor side claw member 51 is engaged with the indoor side of the H-shaped steel beam 55 in mounting from the outdoor side, the indoor side claw member 51. Made it free,
As shown in FIG. 6 (b), since it rotates downward and cannot be engaged with the edge portion of the lower flange 55a of the H-shaped steel beam 55 on the indoor side, the hand from the outdoor side to the indoor side cannot be engaged. Must be extended and engaged with the indoor side of the lower flange 55a of the H-shaped steel beam 55 while supporting the indoor side claw member 51 with the hand so as to face upward.
There was a problem that installation of was difficult.

In addition, since both the claw members 51 and 52 freely rotate relative to each other in the mounting hardware 50, the claw members 51 and 52 face in different directions from each other and are bulky or difficult to handle during storage or transportation. There were problems such as being troublesome.

In view of the above problems, the present invention provides a scaffold wall tie attachment that can be easily attached to a steel frame of a building, is not bulky in transportation and storage, and is easy to handle. The task is to do.

[0009]

[Means for Solving the Problems] The above-mentioned problem is a wall joint mounting hardware used for attaching a wall joint of a scaffold to a steel frame of a building, which has a connecting portion for connecting the wall joints to the building steel frame. An indoor claw member that engages from the indoor side, and an outdoor claw member that engages the building steel frame from the outdoor side,
A shaft member that is rotatably passed through both claw members and a screw mechanism that relatively moves the claw members toward and away from each other by rotating the shaft member are provided. By making these claw members relatively close to each other and engaging with the building steel frame, the claw members are attached to the building steel frame, and the relative rotation of both rotatable claw members on the shaft member is prevented. The solution is provided by a wall scaffolding attachment of the scaffold, characterized in that it is provided with orientation fixing means which hold it in the same orientation.

Since this mounting hardware is provided with the orientation fixing means, one claw member is held so as to face upward, and the other claw member is also held upward.

Therefore, when attaching the mounting hardware to the building steel frame from, for example, the outdoor side, if the outdoor side claw member is held, for example, upward by hand, the indoor side claw member is supported by extending the hand to the indoor side. Even if the indoor side claw member is held upward, the indoor side claw member can be easily engaged with the indoor side of the building steel frame from the outdoor side, whereby the mounting hardware can be easily attached to the building steel frame. Can be installed.

Of course, even when the mounting hardware is attached to the building steel frame from the indoor side, for example, if the indoor side claw member is held upward, for example, by extending the hand to the outdoor side and supporting the outdoor side claw member. The outdoor side claw member is also held upward without doing this, and this outdoor side claw member can be engaged from the indoor side to the outdoor side of the building steel frame, and in this case also, the mounting hardware can be easily attached to the building steel frame. You can

Further, by the above-mentioned orientation fixing means, both claw members always face the same orientation in the state of the mounting hardware alone, so that they are not bulky in storage or transportation and are easy to handle.

In the above wall joint mounting hardware, the orientation fixing means comprises a guide rail portion integrally provided on one of the claw members, and the other claw member is movable in the rail direction on the guide rail portion. In addition, it is preferable that the two claw members are combined with each other so as to prevent relative rotation of the claw members.

In this mounting hardware, since the guide rail portion is integrally provided on either one of the claw members, even if the orientation fixing means is provided, the number of constituent parts of the mounting hardware increases. It is possible to easily manufacture a metal product with a combination of a small number of parts without causing any damage.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings.

In the metal wall joint mounting hardware 1 of the embodiment shown in FIGS. 1 to 3, 2 is an indoor side claw member, 3 is an outdoor side claw member, 4 is a shaft member, and 5 is a wall joint connecting portion. It is a long nut, and the wall joint mounting hardware 1 is constituted by these parts.

The indoor side claw member 2 is composed of a piece which is open upward and has a U-shaped cross section and is L-shaped in a side view. The left and right L rising plate portions 2a, 2a are claw portions, and the claw portions 2a,
The inner edge side of 2a is inwardly inclined downward.
Further, a nut 2b, which is located on the bottom side and forms a female screw portion, is integrally attached to the inside of the indoor side claw member 2 by welding or the like. The claws 2a, 2a
A cover plate 2c is provided between them.

The outdoor side claw member 3 is made of a long material which is open upward and has a U-shaped cross section and is L-shaped in side view. The left and right rising plate portions 3a, 3a on one end side are claw portions, and the claw portion 3 is provided.
The inner edge sides of a and 3a are inwardly inclined downward.

In this outdoor side claw member 3, the claw portions 3a,
An area portion on the other end side of 3a is a guide rail portion 3b. Inside the U-shaped guide rail portion 3b, the indoor side claw member 2 has its claw portions 2a and 2a claw portions of the outdoor side claw member 3. Three
The claw members 2 and 3 are arranged so as to be slidable in the rail direction so that the claw members 2 and 3 face each other by the same engagement with the guide rail portion 3b and the indoor claw member 2. It is designed to prevent rotation.
The guide rail portion 3 is the orientation fixing means in the present invention.
b.

In order to make the claw portions 2a, 3a of the two claw members 2, 3 the same size, the U-shaped size of the guide rail portion 3b of the outdoor side claw member 3 is the claw portion 3 via the tapered portion 3c.
It is made larger than the U-shaped size on the a side. A lid plate 3e is provided between the claw portions 3a, 3a.

Then, the claw portions 3a of the outdoor side claw member 3,
In the U-shape on the 3a side, a pipe material 3d having a predetermined length dimension is provided.
Is integrally attached by welding or the like, the shaft member 4 having a circular outer periphery is passed through the pipe material 3d, and the tip end portion of the shaft member 4 is screwed with the nut 2b of the indoor side claw member 2. The nut 2a of the indoor side claw member 2 and the male screw portion 4a of the tip side outer peripheral portion of the shaft member 4 screwed with the nut 2a constitute a screw mechanism of the present invention, and the shaft member 4 rotates.
The indoor side claw member 2 is a guide rail portion 3b of the outdoor side claw member 3.
The inside is screw-fed along the shaft member 4 so that the claw portion 2a relatively approaches and separates from the claw portion 3a of the outdoor side claw member 3.

Further, the shaft member 4 is also formed with a male screw portion 4b on the outer peripheral portion of the base end thereof, and the long nut 5 is attached to the male screw portion 4b.
One half of one end side of the shaft member 4 is screwed, and in the screwed state, the shaft member 4 and the long nut 5 are combined and integrally rotated so that the shaft member 4 is rotated by turning the long nut 5. You can do it. The other half of the long nut 5 is a wall connecting portion.

The relationship between the inner peripheral size and length of the pipe member 3d and the mounting position is such that even if the shaft member 4 passing through the pipe member 3d is tilted due to the play between them, It is set such that the engagement with the guide rail portion 3b in the relative rotation direction is not released.

The long nut 5 also serves as a stopper for the outdoor side claw member 3, and the outdoor side claw member 3 is a long nut 5.
When the shaft member 4 is brought into contact with the shaft member 4, the shaft member 4 cannot be further moved to the outdoor side, that is, the base end side.

Further, a crushed portion 4c for preventing the indoor side claw member 2 from slipping out to the tip side of the shaft member 4 is provided at the tip outer peripheral male screw portion of the tip side male screw portion 4a of the shaft member 4. Has been formed.

The above wall connecting attachment 1 can be attached to a steel frame 6 of a building, for example, as shown in FIG. That is, as shown in FIG. 5 (a), the claw portions 2a, 3a of the two claw members 2, 3 are directed upward, and as shown in FIG. 5 (b), the claw portion 2a of the indoor side claw member 2 is The lower flange 6a of the H-shaped steel beam 6, which is a steel frame, is engaged with the edge portion on the indoor side. At this time, in order to hold the claw portion 2a of the indoor claw member 2 upward, extend the hand to the indoor side and hold the indoor claw member 2
It is not necessary to support the outdoor side claw member 3 so that the claw portion 3a of the outdoor side claw member 3 faces upward.
By supporting the claw portion 2a of the indoor side claw member 2 upward, the claw portion 2a of the indoor side claw member 2 of the wall joint attachment 1 is fixed to the lower flange 6a of the H-shaped steel beam 6 by supporting the claw portion 2a of the indoor side claw member 2 upward. It can be easily engaged with the inner edge.

In this way, after engaging the claw portion 2a of the indoor side claw member 2 with the building steel frame 6, the long nut 5 is turned to rotate the shaft member 4.
By rotating the claw member 3 as shown in FIG.
The engaging claw portion 3a is engaged with the edge of the lower flange 6a of the H-shaped steel beam 6 on the outdoor side. As the shaft member 4 rotates, the tip of the shaft member 4 advances from the indoor side pawl member 2, and the long nut 5 pushes the outdoor side pawl member 3 toward the indoor side accordingly, and in the process, the outdoor side pawl The claw portion 3a of the member 3 engages with the building steel frame 6, and the lower flange 6a of the H-shaped steel beam 6 is engaged with the claw portion 2 from both sides.
An engaged mounting state is formed which is sandwiched between a and 3a.

As shown in FIG. 4, the scaffold 7 has wall joints 8
One end of the male threaded portion is screwed to the long nut 5 of the mounting hardware 1, and the joint portion 8a at the other end of the wall joint 8 is connected to the pipe of the scaffold 7, so that the building steel frame 6 is firmly supported.

In this way, the wall joint mounting hardware 1 described above
According to this, the claw portion 2a of the indoor claw member 2 can be held upward by supporting the outdoor claw member 3 without reaching for the indoor side, and the claw portion of the indoor claw member 2 can be held. 2a
Can be easily engaged with the indoor side of the building steel frame 6, and the wall tie mounting hardware 1 can be easily attached to the building steel frame 6 from the outdoor side. In addition, the guide rail part 3
By b, the claw portions 2a and 3a of both claw members 2 and 3 always face the same direction in the state of the metal piece alone, so that the metal piece 1 is neither bulky nor easy to handle.

Further, in the above embodiment, the guide rail portion 3b integrally provided on the outdoor side claw member 3 is used as the orientation fixing means. Therefore, even if the orientation fixing means is provided, the structure of the mounting hardware 1 is constituted. The number of parts does not increase, and the metal piece 1 can be easily manufactured by combining parts with a small number of parts.

Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, in the above-described embodiment, the case where the wall joint mounting hardware 1 is mounted from the outdoor side has been described, but it may be mounted from the indoor side. That is, when the indoor side claw member 2 is supported by hand and the claw portion 2a is held upward, the claw portion 3a of the outdoor side claw member 3 is also held upward, and the claw portion 3a of the outdoor side claw member 3 of the hardware 1 is held. Can be easily engaged with the outdoor side edge of the lower flange 6a of the H-shaped steel beam 6, and the installation can be easily performed even from the indoor side. In that case, since it is difficult to rotate the long nut 5 because the long nut 5 is located on the outdoor side, the shaft member 4 has an end portion on the indoor side.
It is advisable to provide an operating unit for rotating the. In addition, it goes without saying that the orientation of the claw portions 2a and 3a in the attached state is not limited to the upward orientation, and may be the lateral orientation or the like.

Further, in the above embodiment, the outdoor side claw member 3 is provided with the guide rail portion 3b so as to restrict the relative rotation of the both claw members 2 and 3, but the indoor side claw member is provided. The orientation fixing means may be configured by the guide rail portion thus formed. Further, the orientation fixing means in the present invention is not limited to the guide rail portion 3b as described above, and various aspects can be adopted,
What is essential is that the rotatable claw members 2 and 3 can be prevented from rotating relative to each other on the shaft member 4 and can be held in the same direction.

Further, in the above embodiment, the long nut 5 integrally attached to the outdoor end of the shaft member 4 is used as the connecting portion for connecting the wall joint 8.
A male screw portion formed on the outdoor end of the shaft member may be used as the wall connecting connection portion, or the outdoor side hook member 3 may be formed with the wall connecting connection portion, or the indoor side hook member. It is also possible to form an extension portion to the outdoor side and form a wall joint connection portion in this extension portion. In short, it is sufficient that the wall joint attachment hardware is provided with the wall joint connection portion.

Further, in the above embodiment, the case where the building steel frame 6 to which the wall joint mounting hardware 1 is attached is the H-shaped steel beam is shown, but the building steel frame may be other than the H-shaped steel beam. Is a building steel frame having a structure in which the claw portions of the outdoor side claw member and the indoor side claw member are directed upward, etc. The claw portion of the claw member may have any such structure.

[0036]

EFFECTS OF THE INVENTION Since the wall joint mounting hardware of the present invention is as described above, it can be easily mounted on a steel frame of a building, and is not bulky in transportation and storage.
Easy to handle.

[Brief description of drawings]

FIG. 1 is a perspective view showing a wall joint mounting hardware of an embodiment.

FIG. 2 is an exploded perspective view of the same wall joint mounting hardware.

FIG. 3 (A) is a plan view of the same wall joint mounting hardware, and FIG. 3 (B) is a side view thereof.

FIG. 4 is a cross-sectional side view in which the scaffold is in a wall connecting state using the same wall connecting mounting hardware.

5 (a) to 5 (c) are cross-sectional side views sequentially showing a method of attaching a wall connecting attachment.

[Fig. 6] Fig. 6 is a view showing a conventional wall joint mounting hardware, in which Fig. (A) is a cross-sectional side view in which the scaffold is in a wall joint state using the same metal, and Fig. (B) shows the indoor side claw member facing downward It is a cross-sectional side view of the closed state.

[Explanation of symbols]

1 ... Wall fittings 2 Indoor claw member 2a ... claw 2b ... Nut (screw mechanism) 3 ... Outdoor side claw member 3a ... claw 3b ... Guide rail portion (direction fixing means) 4 ... Shaft member 4a ... Male screw part (screw mechanism) 5 ... Long nut (wall connecting part) 6 ... Building steel frame 7 ... scaffolding 8 ... Wall connection

Continued front page    (72) Inventor Setsuro Kobayashi             Osaka Prefecture Osaka Prefecture Osaka City Tsurumi Ward Imazukita 3-4             −27 Kunimoto Shokai Co., Ltd.

Claims (2)

[Claims] 1. A wall joint fitting used for attaching a wall joint of a scaffold to a steel frame of a building, which has a connecting portion for connecting the wall joint, and which is an indoor side claw for engaging the building steel frame from an indoor side. A member, an outdoor side claw member that engages with the building steel frame from the outdoor side, a shaft member that is rotatably passed through both claw members, and the claw members are relatively moved toward and away from each other by rotating the shaft member. And a screw mechanism for rotating the shaft member to bring the two claw members into relatively close contact with each other to bring the two claw members into engagement with the building steel frame, and is attached to the building steel frame, and A scaffold wall-attachment fitting, comprising orientation fixing means for preventing relative rotation of both rotatable claw members on the shaft member and holding them in the same orientation. 2. The orientation fixing means comprises a guide rail portion integrally provided on one of the claw members, and the other claw member is movable in the rail direction on the guide rail portion and both claw members. The scaffold wall tether according to claim 1, wherein the scaffold wall joint mounting hardware is combined with a mode that prevents relative rotation of the scaffold.