JPH11181934A - Wall panel fitting structure and male screw member - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a metal fitting from being detached from the building frame side by fitting a through hole provided on the wall panel fitting piece of the metal fitting to chamfering formed on the male screw part of a male screw member provided on the wall panel. SOLUTION: The male screw part 4a projecting from the inner face of a wall panel 2 of a male screw member 4 provided on the wall panel 2 under the condition of preventing rotation is formed with chamfering 4b. Meanwhile, the wall panel side fitting piece 5b of a metal fitting 5 is provided with a through hole 5a engaged with the chamfering 4b of the male screw part 4a. The through hole 5a of the metal fitting 5 is penetrated through the chamfering of the male screw part 4a of the male screw member 4 provided on the wall panel 2, and they are fastened by a nut 7. Hereby the metal fitting 5 is prevented from rotating by a simple constitution, and even though there is no welding, the metal fitting 5 can not be detached from the building frame 1 side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for mounting a wall panel such as a lightweight cellular concrete panel without welding. The invention also relates to a male screw member used for the mounting structure.

[0002]

2. Description of the Related Art Conventionally, in order to construct an outer wall, a partition wall, a handrail wall or a wall of a short dimension around an opening of a building, a beam or a column of a skeleton, a base steel material attached to the beam or a column, or There are various structures for attaching a wall panel to a steel material for reinforcing an opening without welding. As one means of the dry structure, a mounting bracket 55 having a receiving port 55a (or a projection) to be fitted into a previously embedded mounting bracket 54 is used in a wall panel 52 as shown in FIGS. (Japanese Patent Laid-Open No. 61-165444).

[0003] The mounting bracket 55 includes a frame-side mounting portion 55d.
And the wall panel-side mounting piece 55c are formed of a sheet metal that is continuous in parallel with each other via a step 55e in the longitudinal direction.
b and a receptacle 55a around the b. Then, when the bolt 56 is tightened to the embedded metal fitting 54, the receiving port 55 a is fitted to the outer shape of the embedded metal fitting 54. On the other hand, the frame-side mounting portion 55d is arranged without welding so as to press the base steel material 53.

[0004]

However, in the conventional examples shown in FIGS. 7 and 8, the embedding metal fittings 54 are previously provided inside the wall panel 52 at the manufacturing factory of the wall panel 52 by reinforcing reinforcing bars (not shown). ) Must be fixed to the wall panel 52 and the like, and there is a problem that it is difficult to increase the production efficiency of the wall panel 52.

In addition, an embedding metal fitting 54 is mounted on the wall panel 52 in advance.
However, there is a problem that it is not possible to cope with a change or deviation of the mounting position at the construction site. Further, the receptacle 55a is fitted to the outer shape of the embedding metal fitting 54 when the bolt 56 is tightened to the embedding metal fitting 54. , Position adjustment is not possible. Therefore, when the skeleton-side mounting portion 55d is arranged without welding so as to press the base steel material 53, the dimension of the skeleton-side mounting portion 55d applied to the base steel material 53 may be shorter than a predetermined size. May have a problem in strength.

On the other hand, the mounting bracket 55 has a bolt hole 55b.
At the same time, it is necessary to integrally provide the receptacle 55a around the periphery, and there is a problem that the production process of the mounting bracket 55 is complicated. In addition, since the receiving port 55a of the mounting bracket 55 is provided in a protruding shape, it is difficult to pack the mounting bracket 55 without any gap when packing for transporting the mounting bracket 55, and to pack the same quantity. However, there is a problem that the size of the boxes and the like is bulky.

[0007]

According to a first aspect of the present invention, there is provided a male screw member provided on a wall panel in a state where rotation is prevented, and a building frame. In the method of fixing without welding by using a mounting bracket, the male screw member is formed with a chamfer in a male screw portion protruding from the inner surface of the wall panel, and the chamfer is formed on a wall panel side mounting piece of the mounting bracket. A mounting hole is provided, wherein the mounting hole is fitted to the chamfer, penetrated therethrough, and tightened with a nut to fix the mounting bracket so as to prevent rotation. Structure.

A second aspect of the present invention is the wall panel mounting structure according to the first aspect, wherein a hole is provided inside the wall panel of the male screw member, and the hole has a rod-like shape. The wall panel mounting structure is characterized in that rotation of the male screw member is prevented by inserting the anchor member. Furthermore, a configuration according to claim 3 of the present invention is a male screw member used for the wall panel mounting structure according to claim 2, wherein a hole is provided at one end and a male screw portion is provided at the other end. A bar-shaped male screw member, which is engraved and has a chamfer formed in the male screw portion.

According to the present invention, as described above, the male screw member provided on the wall panel in a state where the rotation is prevented is formed with a chamfer at the male screw portion projecting from the inner surface of the wall panel, and the wall of the mounting bracket is formed. By fitting the through hole provided in the panel side mounting piece to the chamfer and tightening the nut,
Since the mounting bracket is fixed so as to prevent rotation, even if the nut is loosened due to vibration or the like, the mounting bracket rotates and does not need to be fixed by welding to the building body side of the building. It does not come off the skeleton side of the object.

Further, the mounting bracket does not need to be provided with a projection such as a receiving port as in the above-described conventional example, but only needs to be provided with a through hole, and the male screw member can easily beveled by cutting or pressing. Therefore, it is not necessary to use a specially complicated processing step in the production of metal fittings and members. Furthermore, since the mounting bracket is simply provided with a through hole,
Since there is no protrusion such as a receiving port as in the conventional example described above, a plurality of sheets can be closely adhered and stacked, and the size of a box or the like for packing the same quantity can be reduced.

The through hole provided in the mounting piece on the wall panel side of the mounting bracket is for preventing rotation of the mounting bracket by chamfering the inserted male screw member, and has a shape corresponding to the chamfer of the male screw member. This is a through hole. It is desirable that the through-hole is, for example, a long hole (loose hole) having a loose property in the longitudinal direction of the wall panel. In contrast, it is possible to adjust the position of the mounting bracket, and it is easy to ensure that the dimension of the mounting side of the mounting bracket on the skeleton side is a predetermined dimension. Therefore,
It is also possible to stably secure the strength of the mounting portion.

According to the second aspect of the present invention, it is possible at a construction site to insert a rod-shaped anchor member through a small opening of the wall panel into a hole inside the wall panel of the male screw member. Therefore, like the conventional example described above,
Since there is no need to provide a mounting bracket inside the wall panel at the factory, the production efficiency of the wall panel can be increased. In addition, since adjustment such as moving the position of the mounting portion at the construction site is possible, it is possible to easily cope with a change or deviation in the mounting position.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A wall panel mounting structure and a male screw member according to the present invention will be described with reference to the drawings. FIG. 1 is a perspective explanatory view showing a configuration of a wall panel mounting structure according to an embodiment of the present invention, and FIG. 2 is a perspective explanatory view showing a state in which a hole of a fitting is fitted into a chamfer of a male screw portion in FIG. FIG.
(A), (b), (c) is explanatory drawing which shows the Example of a male screw member. FIG. 4 is an elevational explanatory view showing a state in which the through hole of the mounting bracket is fitted into the chamfer of the male screw portion as viewed from the inner side of the wall panel, and FIGS. 5 (a), (b), and (c). ,
(D) is an elevation explanatory view showing another embodiment in a state where the hole of the mounting bracket is fitted into the chamfer of the male screw portion. FIG.
(A), (b), (c), (d), (e), (f)
It is explanatory drawing which shows the Example of a mounting bracket.

Referring to FIGS. 1 and 2, a wall panel mounting structure according to the present invention will be described.
A base steel material 3 is provided on the lower surface of the frame 1. In the wall panel 2, the male screw member 4 is rotated with respect to the wall panel 2 by a rod-shaped anchor member 6 penetrating the hole 4c on the inner side of the wall panel in a state where the male screw portion 4a protrudes from the inner surface 2a. It is provided in a prevented state. FIG.
As shown in (2), the mounting bracket 5 was prevented from rotating with respect to the male screw member 4 by fitting the through hole 5a of the wall panel side mounting piece 5b into the chamfer 4b of the male screw portion 4a and tightening with the nut 7. It is provided in a state.

With such a structure, the mounting bracket 5
Are in a state where rotation with respect to the wall panel 2 is prevented. For this reason, even if the nut 7 is loosened due to vibration or the like, the skeleton side mounting portion 5c of the mounting bracket 5 is provided so as to press the base steel material 3 without welding and is provided. The mounting bracket 5 rotates and the base steel 3
There is no departure from.

The through hole 5a is for preventing rotation of the mounting bracket 5 by the chamfer 4b of the inserted male screw member 4, and is formed as a through hole 5a having a shape corresponding to the chamfer 4b of the male screw member 4. For example, since the wall panel 2 is formed as a loose hole (a long hole) in the long side direction of the wall panel 2, the position of the male screw member 4 with respect to the base steel material 3 may be shifted within a range of about 2 to 3 cm due to a construction error or the like. Even if it occurs, the hole 5
It is possible to adjust the position of the mounting bracket 5 in the loose direction a and mount it, and it is easy to ensure that the dimension of the skeleton side mounting portion 5c on the base steel material 3 is a predetermined size.

The male screw member will be described with reference to FIG. (A) is a perspective explanatory view, in which a hole 4c is provided on one end side. Further, a male screw portion 4a and a chamfer 4b are provided on the other end side. (B) is an AA cross-sectional view, and shows a cross section obtained by cutting the male screw portion 4a perpendicularly to the axial direction of the member. In this embodiment, two chamfers 4b are provided at positions symmetrical with respect to the member axis. (C) is a horizontal cross-sectional view showing a cross section obtained by cutting the male screw portion 4a horizontally along the member axis.

FIG. 4 illustrates a state in which the through hole 5 a of the mounting member 5 is fitted into the chamfer 4 b of the male screw member 4 as viewed from the inner surface side of the wall panel 2. Nut 7 for explanation
Is omitted. In this embodiment, the chamfer 4b
Are provided at two positions symmetrical with respect to the member axis, and the through holes 5a of the mounting bracket 5 are fitted into the two chamfers 4b.

FIG. 5 shows another embodiment in which the through-hole 5a of the mounting member 5 is fitted into the chamfer 4b of the male screw member 4. (A) is an example in which one chamfer 4b is provided, (b) is an example in which the chamfer 4b is inclined with respect to the longitudinal direction of the mounting bracket 5, and (c) is an embodiment in which the chamfer 4b is inclined. Example in the case where the through hole 5a has no looseness,
(D) is an embodiment in which the chamfer 4b is provided in a direction perpendicular to the longitudinal direction of the mounting bracket 5. Compared to the embodiment according to FIGS. 5C and 5D, FIG.
In the embodiment according to (b), as described above, it is possible to secure the predetermined size by adjusting the dimension of the frame side mounting portion 5c on the base steel material 3 by utilizing the looseness of the through hole 5a. Possible and desirable.

In the above-described embodiments, the mounting brackets 5 each having the shape of the inazuma have been described. However, the mounting bracket 5 according to the present invention is not limited to only the shape of the inazuma. 6 (a), (b), (c),
(D), (e), through-hole 5a of a shape as shown in (f),
Any mounting bracket 5 having a wall panel side mounting piece 5b and a skeleton side mounting portion 5c can be used.

[0021]

According to the wall panel mounting structure of the present invention, as described above, since the mounting bracket is prevented from rotating by a simple configuration, no welding is performed even when the nut is loosened due to vibration or the like. Nevertheless, the mounting bracket does not come off the skeleton side. In addition, the mounting bracket is only provided with a through hole of a size that fits into the chamfer, no special processing is required,
The external thread member can also be provided with a chamfer in the external thread portion by simple processing. Furthermore, since the mounting bracket does not have a projection, a plurality of mounting brackets can be closely adhered and stacked, and a box for packing the same quantity in comparison with a conventional example that requires a projection shape such as a receiving port. And the like can be reduced in size.

On the other hand, according to the configuration of the second aspect, since the male screw member can be provided at the construction site without using the embedding metal fitting, compared with the conventional example in which the embedding metal fitting is previously provided at the factory, The productivity of the wall panel can be increased, and it is possible to easily cope with a change in the position of the mounting portion at the construction site. Unlike the conventional example, by providing looseness in the longitudinal direction of the wall panel of the through hole of the mounting bracket, fine adjustment of the position of the mounting bracket becomes possible, and the skeleton side mounting portion of the mounting bracket is applied to the skeleton side. It is easy to secure a predetermined amount of dimensions, and it is also easy to secure stable mounting portion strength.

[Brief description of the drawings]

FIG. 1 is an explanatory perspective view showing a configuration of a wall panel mounting structure according to an embodiment of the present invention.

FIG. 2 is an explanatory perspective view showing a state in which a hole of a fitting is fitted into a chamfer of a male screw part in FIG. 1;

FIGS. 3A, 3B and 3C are explanatory views showing an embodiment of a male screw member.

FIG. 4 is an elevational explanatory view showing a state in which the through hole of the mounting bracket is fitted to the chamfer of the male screw portion, as viewed from the inner side of the wall panel.

5 (a), 5 (b), 5 (c), and 5 (d) are elevation views showing another embodiment in which the through holes of the mounting bracket are fitted into the chamfers of the external thread portions. is there.

FIG. 6 (a), (b), (c), (d),
(E), (f) is explanatory drawing which shows the Example of a mounting bracket.

FIG. 7 is an explanatory view showing a method of fitting an embedding fitting and a mounting fitting according to a conventional example.

FIG. 8 is an explanatory view showing a wall panel mounting structure according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body 2 Wall panel 2a Inner surface 3 Base steel material 4 Male screw member 4a Male screw part 4b Chamfer 4c Hole 5 Mounting bracket 5a Through hole 5b Wall panel side mounting piece 5c Body side mounting part 6 Rod-shaped anchor member 7 Nut 51 Body 52 Wall panel Base steel material 54 Embedded metal fitting 55 Mounting metal fitting 55a Receptacle 55b Bolt hole 55c Wall panel side mounting piece 55d Frame side mounting piece 55e Step 56 bolt

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI E04B 2/56 605 E04B 2/56 611B 611 631B 631 631C 631J 642B 642 1/60 507A

Claims (3)

[Claims] 1. A method for fixing a male screw member provided on a wall panel in a state where rotation is prevented and a skeleton side of a building without welding via a mounting bracket, wherein the male screw member is fixed from an inner surface of the wall panel. A chamfer is formed in the protruding male screw portion, and a through hole is provided in the wall panel side mounting piece of the mounting bracket so as to fit into the chamfer. A wall panel mounting structure, wherein the mounting bracket is fixed so as to prevent rotation of the mounting bracket by tightening. 2. The male screw member is provided with a hole inside the wall panel, and a rod-shaped anchor member is inserted through the hole to prevent rotation of the male screw member. 4. The wall panel mounting structure according to 1. 3. A rod-shaped male screw member characterized in that a hole is provided on one end side and a male screw part is engraved on the other end side, and the male screw part is chamfered.