JPH0657942A - Fitting for connecting wall - Google Patents

Abstract

PURPOSE:To provide fittings for connecting walls, which can ensure sufficient strength against bending and prizing while being available even for usage and handling. CONSTITUTION:A long nut 22 is bonded with the head section 25 of a fixture 21, which has a screw section 24 at one end of a shaft section 23 and a head section 25, to which the engaging section 26 of a rotating tool 29 is mounted, at the other end, in a freely moving manner, and the rotating tool 29 engaged with the engaging section 26 through the tapped hole 28 of the long nut 22 can be inserted. Male screws or female screws screwed to the female screw sections or male screw sections of various anchors fixed to an external wall material or a structure or drill screws or wood screws directly screwed to the external wall material are used as the screw sections 24 of the fixtures 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wall joint fitting suitable for connecting wall joints when a scaffold is temporarily installed along the outer wall of a building.

[0002]

2. Description of the Related Art When a scaffold is temporarily installed along the outer wall of a building, it is required to minimize damage to the outer wall. As a metal fitting for wall connection of this type, FIGS.
The ones shown in are known.

In the wall connecting metal fitting shown in FIG. 5 (a), a plate anchor 1 having a female screw portion 3 at one end of a metal plate 2 is arranged at joints of ALC panels 4 and 4 constituting an outer wall. While the metal plate 2 is welded to the through-angle 5 which is a structure, a bolt 6 with a nut having a long nut 7 continuously provided at one end is screwed to the female thread portion 3, and a wall joint is connected to the long nut 7 of the bolt 6 with the nut. The screw portion 8a of 8 is screwed and connected. In addition, as shown in FIG. 5B, when the outer wall is made of wood material 9, 9, the metal plate 2 of the plate anchor 1 is fixed to the outer wall material 9 with the nails 10, and the nut is attached in the same manner as above. The wall joint 8 is connected via the bolt 6. Further, as shown in FIG. 5C, when the outer wall is a concrete wall 11, a bolt 6 with a nut is screwed into the insert 12 embedded in the concrete wall 11, and the wall joint is connected via the bolt 6 with a nut. Connect 8

On the other hand, the wall connecting metal fitting 13 shown in FIG.
In order to reduce damage to the outer wall as much as possible, a drill portion 15 and a threaded portion 16 continuous to the drill portion 15 are provided at one end of the elongated shaft 14, and a long nut 17 is fixed to the other end. The drill portion 15 constitutes the outer wall. A hole is directly formed in the ALC panel 4 so that the threaded portion 16 penetrates, and the angle 5 which is a structure is screwed and fixed.

[0005]

Among the conventional metal fittings for wall connection shown in FIG. 5, when connecting the wall connection 8 to the bolt 6 with the nut, the heavy wall connection 8 is rotated. Since it has to be screwed onto the long nut 7,
There is a problem that it takes time to attach and detach the wall joint 8. Further, in the metal fitting 13 shown in FIG. 6, not only the same problem as the metal fitting shown in FIG. 5 but also the load such as bending and prying applied to the wall joint 8 directly acts on the elongated shaft 14, so There is a drawback that the threaded portion 16 which is a joint portion with the angle 5 is easily broken.

The present invention solves the above-mentioned problems of the prior art, and provides a metal fitting for wall connection which can secure sufficient strength against bending and twisting and is convenient to use and handle. To aim.

[0007]

In order to achieve the above object, a wall connecting metal fitting of the present invention is a head having a thread portion at one end of a shaft portion and an engaging portion for a rotary tool at the other end. A long nut is movably connected to the head of the fastener having a portion, and a rotary tool that engages with the engaging portion through a screw hole of the long nut is insertable. And

The screw portion of the fastener is a male screw or a female screw screwed to the female screw portion or the male screw portion of various anchors fixed to the outer wall material or the structure, and a drill screw directly screwed to the outer wall material. Alternatively, wood screws may be used. In the case of the type directly attached to the outer wall material, it is preferable to assemble a washer between the shaft portion of the fixing tool and the long nut.

[0009]

With the above structure, the wall connecting metal fitting of the present invention is
The fastener is used by being screwed to the female screw or the male screw of the anchor fixed to the outer wall material or the structure, or directly screwed to the outer wall material and the structure. Then, when connecting the wall joint to the long nut by screwing, even if there is a slight misalignment between the wall joint and the fixing tool, the wall joint can be easily connected only by tilting the long nut. it can. Further, the wall joint can be connected by rotating the long nut without rotating the wall joint.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a metal fitting for wall connection according to the present invention, which metal fitting 20 comprises a fastener 21 and a long nut 22. The fixing tool 21 is a bolt having a male screw portion 24 at one end of a shaft portion 23 and a head portion 25 provided with an engaging portion 26 of a rotary tool at the other end, and the peripheral side surface of the head portion 25 is a long nut described later. It is formed in a spherical shape in order to make the floating movement of 22 smooth. On the other hand, the long nut 22 is provided at its end with a cylindrical portion 27 having an inner diameter slightly larger than that of the head portion 25 of the fixing tool 21. After the head portion 25 is fitted into the cylindrical portion 27, the end of the cylindrical portion 27 is fitted. The edge is crimped to the seat surface side of the head portion 25, and the crimp portion 27a and the shaft portion 23 are crimped.
The long nut 22 is movably coupled to the head portion 25 by providing a clearance with the under-neck portion of the fastener so that the long nut 22 can rotate around the axis of the fastener 21 and can tilt with respect to the axis. . A rotary tool such as a driver bit 29 inserted through the screw hole 28 of the long nut 22 can be engaged with the engaging portion 26 of the head 25.

As shown in FIG. 2 (a), the wall connecting fitting 20 having the above-described structure is an AL that forms an outer wall.
The male screw portion 24 of the fixing tool 21 is screwed to the female screw portion 3 of the plate anchor 1 in which the metal plate 2 is welded to the through-angle 5 which is the structure and is arranged in the joint portion of the C panels 4 and 4. . At this time, the male screw portion 24 is screwed onto the female screw portion 3 by engaging the engaging portion 26 and rotating the driver bit 29 inserted through the screw hole 28 of the long nut 22. In this manner, the long nut 22 of the metal fitting 20 joined to the plate anchor 1 is connected to the threaded portion 8a of the wall joint 8.
The wall nut 8 is fixedly supported without rotating, and the long nut 22 is rotated with respect to the fixing member 21 so that the screwing operation can be performed easily and quickly. . Further, even if there is a slight positional deviation between the scaffold (not shown) connected to the wall joint 8 and the metal fitting 20, the long nut 22 tilts with respect to the fixing tool 21,
The scaffold can be connected to the wall joint 8 and the metal fitting 20 without applying a load such as bending or prying.

FIG. 2B shows an example in which the male screw portion 24 of the metal fitting 20 is screwed to the female screw portion 3 of the plate anchor 1 fixed to the wooden outer wall material 9 with the nail 10, and FIG.
(C) shows an example in which the male screw portion 24 of the metal fitting 20 is screwed to the insert 12 embedded in the concrete wall 11 and used. Further, in FIG. 2D, a female screw portion 30 is provided at the end of the shaft portion 23 in place of the male screw portion 24 of the metal fitting 20,
An example in which the female screw portion 30 is screwed to a male screw anchor 31 embedded in the concrete wall 11 is shown.

The wall connecting metal fitting 40 shown in FIG. 3 is different from the metal fitting 20 shown in FIG. 1 in the shape of the fixing tool 41. That is, the fastener 41 is formed as a drill screw having a drill portion 43 and a thread portion 44 continuous with the drill portion 43 at one end of the elongated shaft portion 42, and the engaging portion 46 of the rotary tool is provided at the other end of the shaft portion 42. The point having the head 45 is the same as the fixture 21 of the metal fitting 20. Further, the long nut 22 has a cylindrical portion 27 similarly to the metal fitting 20, and after the head portion 45 is fitted into the cylindrical portion 27, the end edge of the cylindrical portion 27 is caulked to the seat surface side of the head portion 45 and caulked. An annular guide portion 27b that surrounds the shaft portion 42 is formed by raising the inner end edge of the portion toward the head portion 45 side.
The long nut 22 is movably connected to the head portion 45 by providing a clearance between b and the under-neck portion of the shaft portion 42. Further, a washer 47 is attached to the lower portion of the shaft 42. The washer 47 raises the peripheral edge portion of the hole loosely fitted to the shaft portion 42 to the seat surface side of the head portion 45, and
It has a cylindrical guide portion 48 that passes through a gap between the second annular guide portion 27b and the lower neck portion and projects toward the head portion 45 side from the annular guide portion 27b. The cylindrical guide portion 48 abuts on and supports the seating surface of the head portion 45 when fastening the fixing tool 41, which will be described later, and a constant gap is provided between the head portion 45 and the annular guide portion 27b of the long nut 22. Is ensured so that the head portion 45 does not interfere with the free movement of the long nut 22. The washer 47 is
After being fitted on the shaft portion 42, as shown in phantom lines in FIG.
It is desirable that the peripheral edge portion of the cylindrical guide portion 48 is caulked at about two places to form a protruding piece 49, and the protruding piece 49 is used to prevent the falling off.

As shown in FIG. 4, the wall connecting metal fitting 40 having the above-described structure is directly screwed into the ALC panel 4 forming the outer wall to penetrate it, and is screwed into the through-angle 5 which is a structure. Stick to it. Then, the cylindrical guide portion 48 of the washer 47 fixed to the surface of the panel 4 by the head portion 45 secures a constant space between the head portion 45 and the surface of the panel 4. Therefore, the long nut 22 is movably supported by the head portion 45, and the wall joint 8 connected to the long nut 22 can be appropriately tilted to temporarily install a scaffold.
Then, the load such as bending and prying acting on the wall joint 8 is absorbed by the free movement of the long nut 22, and the fastener 41 is directly attached.
Does not work.

[0016]

As described above, in the wall connecting metal fitting of the present invention, since the long nut is movably connected to the head of the fastener, the bending which acts on the continuous wall connecting to the long nut is performed. Since loads such as twisting do not act directly on the fastener, but rather as a simple pulling force or compressing force,
Sufficient strength can be secured against bending and twisting.

Further, when the wall joint is connected to the metal fitting by screw fitting, the heavy wall joint can be connected by rotating the long nut without rotating the wall joint.
It is easy to use and handle.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a main part of a wall connecting fitting according to the present invention.

FIG. 2 is an explanatory view showing a usage state of the same metal fitting for wall connection.

FIG. 3 is a longitudinal sectional view of an essential part of another wall connecting fitting according to the present invention.

FIG. 4 is a longitudinal sectional view of a main part showing the same usage state.

FIG. 5 is an explanatory diagram showing a usage state of a conventional example.

FIG. 6 is a vertical cross-sectional view of a main part showing a usage state of another conventional example.

[Explanation of symbols]

 20, 40 Wall joint fitting 21, 41 Fastener 22 Long nut 23, 42 Shaft portion 24 Male screw portion 25, 45 Head portion 26, 46 Engagement portion 27 Cylindrical portion 27a Caulking portion 27b Annular guide portion 28 Screw hole 47 Washer 48 Cylindrical guide

Claims (6)

[Claims] 1. A long nut is movably coupled to the head portion of a fastener having a screw portion at one end of a shaft portion and a head portion provided at the other end with an engaging portion for a rotary tool, and A wall connecting fitting, wherein a rotary tool that engages with the engaging portion can be inserted through a screw hole of the long nut. 2. The wall connecting metal fitting according to claim 1, wherein the threaded portion of the fastener is a male screw or a female screw screwed to a female screw or a male screw of an anchor fixed to the outer wall material or the structure. 3. The wall connecting fitting according to claim 1, wherein the threaded portion of the fastener is a drill screw or a wood screw that penetrates the outer wall material and is directly screwed to the structure. 4. A tubular portion is continuously provided on an end surface of the long nut, and a head portion of the fastener is fitted into the tubular portion so that an end edge of the tubular portion is on a seat surface side of the head portion. The wall joint according to claim 1, 2 or 3, wherein the long nut is movably connected to the head portion by caulking, and a clearance is provided between the caulking portion and an under-neck portion of the shaft portion. Metal fittings. 5. The annular guide portion is formed so that an inner end edge portion of the caulked portion is erected on the seat surface side of the head portion and surrounds the under-neck portion. Metal fittings for wall connection. 6. A head peripheral portion of a washer fitted in the under-neck portion of the shaft portion is erected on the seat surface side of the head portion, and passes through between the caulked portion and the under-neck portion, and the head portion 6. A cylindrical guide portion is formed so as to abut and support the seating surface of the portion.
Metal fittings for wall connection described.