JP2001303675A - Brace fitting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide brace fitting for composing the corner part of the framework of a timber construction framework structure building that can sufficiently resist not only force in a horizontal direction but also force in a torsional direction. SOLUTION: When two members crossing at right angles in the timber construction framework structure building, for example, a girder 5 and a beam 7 orthogonally crossing the girder 5, crossing beams, or the like are joined or reinforced, arrangement is made so that a rib part 9 of brace fitting 1 is parallel with a plane that is formed by the members 5 and 7, and installation flanges 11 and 13 that are provided at right angles to the rib part 9 over the entire length at two-side positions that cross each other at the rib part 9 are installed to each of the members 5 and 7 via a hole 17 for joining by a joining means 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fire fitting for joining or reinforcing two orthogonal members in a wooden framed building.

[0002]

2. Description of the Related Art Referring to FIGS. 8 and 9, a corner portion of a skeleton of a wooden framed building 101 is conventionally provided with a girder 103, a beam 105 orthogonal to the girder 103, a bobbin, and the like in a horizontal direction. It is configured. Then, as a reinforcing material provided at a corner portion to prevent deformation of a horizontal plane structure constituted by the beam 103, the beam 105, and the like, a fire beam 107 shown in FIG. 8 and a bar-shaped member shown in FIG. A fire fitting 109 is used.

[0003] The above-mentioned spar beam 107 and bar-shaped squib 109 are formed by a beam 103 and a beam 105 constituting a corner portion.
Etc. are arranged diagonally to form a triangular area,
A nail, a lag screw bolt 111, and the like are attached to a joint portion with the beam 103, the beam 105, and the like. Or, very rarely, it is attached by a nut through a bolt.

[0004]

However, in the case of using the above-described battering beam 107 or rod-shaped battering fitting 109, an external force in the horizontal direction is applied to a horizontal floor surface formed by the beam 103, the beam 105 and the like. When it acts, a large pulling force or compressive force acts on the lag screw bolt 111, nails, or the like supporting the sliver beam 107 or the bar-shaped slender sliver bar 109, so that it is supported by narrow contacts. It cannot withstand large external forces.

[0005] Further, since the area of the contact point connecting the beam 103 and the beam 105 to each other is small, the force in the direction of torsion due to the complicated force acting on the building due to an actual earthquake or strong wind or the like. Is not very effective.

SUMMARY OF THE INVENTION An object of the present invention has been made in view of the above-mentioned problems of the prior art, and is to sufficiently resist not only a lateral force but also a torsion force. It is an object of the present invention to provide a fire striking fitting for forming a corner portion of a frame of a wooden framed structure building.

[0007]

In order to achieve the above object, a fire striking device according to the first aspect of the present invention is a fire striking device for joining or reinforcing two intersecting members in a wooden framed building, A planar rib portion disposed in a plane formed by the two members, and two mounting flange portions provided at right angles to the rib portion along substantially the entire length of two sides intersecting at the rib portion; And a fastening hole provided on the mounting flange for mounting the mounting flange to the two members by a fastening means.

Accordingly, two members intersecting in a wooden framed building, for example, a girder and a beam intersecting at right angles to this girder,
Alternatively, when joining or reinforcing beams and the like at right angles to each other, a fire metal fitting is arranged so that the rib portion is parallel to the plane formed by the two members, and along the entire length of two orthogonal sides at the rib portion. Attachment flanges projecting at right angles to the ribs are attached to the respective members by fastening means via fastening holes.

According to a second aspect of the present invention, in the first aspect of the present invention, the two mounting flange portions are bent at a right angle to the rib portion in the same direction or different directions. Is characterized in that:

Therefore, the two mounting flange portions are formed by bending up at right angles in the same direction or in opposite directions along two orthogonal sides of the planar rib portion.

According to a third aspect of the present invention, there is provided a firing device according to the first or second aspect, wherein a mounting portion parallel to the rib portion is outwardly provided at a tip of the mounting flange portion. It is assumed that.

Therefore, the mounting flanges provided at right angles to the ribs are fastened to the two members, respectively, and the mounting portions provided at the tip of the mounting flange in parallel with the ribs are respectively connected to the two members. To conclude.

[0013]

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

FIG. 1 shows a corner portion of a wooden framed structural building 3 using a fire metal fitting 1 according to the present invention. With reference to FIGS.
Is an example of two members, for example, a spar 5 joined at right angles.
And a rib portion 9 having a triangular planar shape located on a plane formed by two members such as a beam 7 and two mounting flange portions for fixing the rib portion 9 to the two members such as the spar 5 and the beam 7. 11 and 13. The ribs 9 do not necessarily have to be planar, but may be press-formed in an uneven direction (bead) that is long or crosses in an appropriate direction in order to reinforce the ribs 9.

The two mounting flange portions 11 and 13 are formed by bending up or joining at right angles in the same direction (upward in FIG. 1) along two sides orthogonally intersecting at the rib portion 9. Yes, and both mounting flanges 1
The ends of 1 and 13 are joined at right angles to each other. In this case, it is desirable that the joints be integrated by, for example, brazing or welding.

The mounting flanges 11 and 13 have
As an example of the fastening means or the attachment, the attachment flange portion 1 is connected by a joining means such as a lag screw bolt 15 or a nail.
It has a plurality of fastening holes 17 for attaching 1 and 13 to two members such as the spar 5 and the beam 7. In addition, as the joining means, in addition to using the above-described lag screw bolt 15 or nail, a through hole is provided in the beam 5, the beam 7, and the like.
The bolts and nuts can be used for fastening, or the bolts and nuts can be used in combination with the lag screw bolts 15 and nails. At least one of the fastening holes 17, for example, a fastening hole on the side of the mounting flange 11 may be a long hole in the longitudinal direction of the mounting flange 11.

From the above results, the beam 5 and the beam 7 to be joined are
Has a rib portion 9 on a plane formed by two members such as
Since the two members such as the beam 5 and the beam 7 are integrally fastened and joined by the mounting flange portions 11 and 13 provided at right angles to the rib portion 9, they are sufficiently resistant to external force and torsion in the plane. Can resist. In addition, since the area of the joint between the fire metal fitting 1 and the spar 5, the beam 7, and the like can be increased, the strength of the joint is significantly improved.

Referring to FIG. 1, the above-described fire metal fitting 1 is attached to both sides of the tenon 19 of the spar 5 (FIG. 1).
By using the staple 1 shown by a solid line and the staple 1) shown by a two-dot chain line, it is possible to prevent the mortise of the mortise in the case of a frame combined with a mortise.

It should be noted that the present invention is not limited to the above-described embodiment of the present invention, but by making appropriate changes,
It can be implemented in other aspects. That is, by using the above-described fire metal fitting 1 in a vertical corner portion formed of a grip, a through pillar, and the like, it is possible to resist pulling, compression, and twisting of the grip, the through pillar, and the like due to a vertical force.

Further, the shape of the mounting flange portions 11 and 13 is not limited to a strip shape as shown in the above-described embodiment (see FIG. 1), but may be various shapes according to the shape of the corner portion. Can be adopted.

Next, FIG. 5 shows another embodiment of the squib 21 according to the present invention. In addition, since the structure of a part not particularly shown in the following is common to the above-described fire metal fitting 1, parts having the same function are denoted by the same reference numerals, and redundant description will be omitted.

In this squib 21, the mounting flanges 11 and 13 of the squib 1 (see FIG. 1) are used.
Is provided at the end (in this case, the upper part) with a mounting portion 23 in which an ear-shaped protrusion is bent at a right angle outward and in parallel with and opposite to the rib portion 9. By providing the mounting portion 23 as a protruding portion in this way, in addition to the effects of the above-described invention, the sparking die 21 can be easily and reliably mounted on the beam 5, the beam 7, or the like. In this case, the fastening direction of the bolt 15 is orthogonal to the one of the mounting flange portions 11 and 13, so that the fired metal fitting 21 after fastening is less likely to come off and can be more securely fastened.

In the above-described embodiment, the mounting flanges 11 and 13 are bent in the same direction. However, as shown in FIG. It is also possible to bend.

Furthermore, the fire metal fitting 2 shown in FIG.
As shown in FIG. 7, another plate-like member may be joined to the rib portion 9 in a T-shape to form the mounting flanges 29 and 31. In this case, joining can be performed by welding.

[0025]

As described above, according to the fire striking device according to the first aspect of the present invention, two members intersecting in a wooden framed structure building, for example, a girder and a beam intersecting at right angles to the girder,
Alternatively, when joining or reinforcing beams and the like at right angles to each other, a fire metal fitting is arranged so that a rib portion is parallel to a plane formed by the two members, and the rib portion is provided over substantially the entire length of two orthogonal sides at the rib portion. The mounting flange, which is provided at right angles to the rib portion, is attached to each member by a fastening means such as a bolt through a fastening hole, so that it sufficiently resists external force and torsion in the plane. be able to. In addition, since the joining area between the fire metal fitting and the two members to be joined can be increased, the strength of the joining portion can be significantly improved.

According to the second aspect of the present invention, the two mounting flanges, which are bent at right angles in the same direction or opposite directions along two orthogonal sides of the planar rib, are formed into two members. By fastening, the two members can be firmly joined or reinforced because the rib portion resists a lateral external force.

According to a third aspect of the present invention, the mounting flange portion provided at right angles to the rib portion is fastened to each of the two members, and is provided at the tip of the mounting flange portion in parallel with the rib portion. Since the mounting portion is fastened to each of the two members, the fire metal fitting can be securely mounted.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state where two members are joined by a fire metal fitting according to the present invention.

FIG. 2 is a perspective view showing an embodiment of a fire metal fitting according to the present invention.

FIG. 3 is a plan view showing a fire metal fitting according to the present invention.

FIG. 4 is a side view as viewed from a direction IV in FIG. 2;

FIG. 5 is a perspective view showing a state where two members are joined by another fire metal fitting according to the present invention.

FIG. 6 is a perspective view showing another embodiment of the fire metal fitting according to the present invention.

FIG. 7 is a perspective view showing still another embodiment of the fire metal fitting according to the present invention.

FIG. 8 is a perspective view showing a conventional method of joining two orthogonal members of a wooden framed building.

FIG. 9 is a perspective view showing another conventional method of joining two orthogonal members of a wooden framed building.

[Explanation of symbols]

 1, 25, 27 Fire metal fittings 5 digits (2 members) 7 Beams (2 members) 9 Ribs 11, 13 Mounting flanges 15 Lug screw bolts (fastening means) 17 Fastening holes 23 Mounting portions 29, 31 Mounting flanges Part (another planar member)

Claims (3)

[Claims] 1. Crossing 2 in a wooden framed building
A fire metal fitting which joins or reinforces two members, wherein a planar rib portion disposed in a plane formed by the two members, and a rib portion along substantially the entire length of two sides intersecting at the rib portion And two fastening flanges provided at right angles to the mounting flange, and fastening holes provided on the fastening flange for fastening the fastening flange to the two members by fastening means. A unique metal fitting. 2. The fire metal fitting according to claim 1, wherein said two mounting flanges are bent at right angles to the rib in the same direction or different directions from each other. 3. The fire striking device according to claim 1, wherein a mounting portion parallel to the rib portion is provided outward at a tip of the mounting flange portion.