JP3998313B2 - Bonded hardware - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a joint hardware used for connecting structures in construction of a frame wooden house or the like.
[0002]
[Prior art]
In recent years, connecting portions of structures such as framed wooden houses are often reinforced with metal joints made of metal plates for the purpose of improving seismic performance.
[0003]
For example, when reinforcing a base and a pillar, such a joint hardware uses a joint metal formed in an L shape or a convex shape with a metal plate, and the joint hardware is fastened to both the base and the pillar with bolts or nails. . In this case, the fastening portion of the joint hardware with respect to the base and the column has a positional relationship of 90 degrees with the base of the joint hardware as the center.
[0004]
As mentioned above, when the joint part of the structure is reinforced with a metal joint, even if the structure is distorted due to an earthquake or the like, the base and the pillar are firmly fixed, so they are not easily separated. Has an effect.
[0005]
[Problems to be solved by the invention]
However, when the base and the column are fastened with a rigid joint metal, a force is directly applied to the bolt and nail fastening part, and if an earthquake is extremely large, the fixing strength will be exceeded and the bolt or nail will be damaged or pulled out. Damage to the pillars and the structure will lead to collapse.
[0006]
Accordingly, an object of the present invention is to provide a metal joint that can maintain the reinforcing effect of the structure coupling portion even when the structure is distorted by an extremely large earthquake.
[0007]
[Means for Solving the Problems]
In order to solve the above-described problems, the invention of claim 1 is to fix a metal joint made of a metal plate for joining and reinforcing two or more structures to the structure with an insertion hole of a fastening means such as a bolt. Formed by projecting the joints to be turned in three directions from the gathering part, and the metal plate forming the joining hardware between the joints at the position between the joining parts adjacent to each other in the joint part of this joining hardware. The structure which provided the buffer part which can be expanded-contracted in the surface direction of this joining metal fitting by bend | folding into the wave shape which spreads toward the inner corner of this is employ | adopted.
[0008]
According to the invention of claim 2, a metal fitting made of a metal plate for joining and reinforcing two or more structures is arranged in a substantially L shape, and is fixed to the structure by insertion holes of fastening means such as bolts. Formed between the two joints and the fan-shaped part connecting the two joints, and the metal plate forming the fan-shaped part is formed on the fan-shaped part from the corner between the two joints at the edge of the fan-shaped part. A configuration is adopted in which a buffer portion that can be expanded and contracted in the surface direction of the fan-like plate is provided by being bent into a wave shape spreading toward the position .
[0009]
According to the invention of claim 3, a metal joint made of a metal plate for joining and reinforcing two or more structures is bent and connected to both ends of the metal main body. The metal plate forming the joint is formed at the position close to the metal body of the joint formed by the joint portion that is formed and fixed with the structure through the insertion hole of the fastening means such as a bolt, and the width of the joint portion. it is obtained by adopting a configuration in which a song folding corrugated clogs buffer portion extending toward the side edges of the joint portion from the inward.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0012]
As shown in the figure, the joint hardware 1a to 1d has several forms according to the condition of the joint portion of the structure in the frame wooden house, and FIGS. 1 to 4 show different types of joint hardware as shown in FIG. Indicates the usage state of these metal fittings 1a to 1d.
[0013]
The first embodiment shown in FIG. 1 is a convex joint metal 1a for planarly reinforcing three joint portions of a structure, and uses a metal plate having a necessary thickness, and three-way from the gathering portion 2 Each joint 3 is provided with an insertion hole 5 for a bolt 4 and an insertion hole 7 for a nail 6. Each joint 3 is provided with adjacent joints 3 and 3. A buffer portion 8 in which the collecting portion 2 is bent in a wave shape is provided at the position of each corner portion between them.
[0014]
Since the buffer portion 8 is formed by bending the metal plate forming the gathering portion 2 into a wave shape, the buffer portion 8 can be expanded and contracted in the surface direction of the joint metal 1a, and thereby the adjacent joint portions 3 and 3 can be expanded and contracted. The angle is variable.
[0015]
The metal joint 1a according to the first embodiment is, for example, as a reinforcement of the joint between the base 21 and the pillar 22 or the joint between the pillar 22 and the beam 23 in the structure of the structure in the frame wooden house in FIG. used.
[0016]
The second embodiment shown in FIG. 2 is an L-shaped joint metal 1b that reinforces a joint portion in two directions of a structure from the inside, and uses two metal joints 3 and 3 using a metal plate having a necessary thickness. Are arranged in a substantially L shape, and both joints 3 and 3 are connected by a fan-shaped part 9 at one side edge, and a wave-shaped buffer part 8 is provided on the fan-shaped part 9. Are provided with an insertion hole 5 for a bolt 4 and an insertion hole for a nail, respectively.
[0017]
In the second embodiment, since the fan-shaped portion 9 is provided with the wave-like buffering portion 8, the fan-shaped portion 9 can be expanded and contracted in the surface direction around the base portion, and both the joint portions 3 and 3 are variable in angle. Become.
[0018]
The third embodiment shown in FIG. 3 is an L-shaped joint metal 1c that reinforces the joint portions in two directions of the structure from the inside, as in the second embodiment described above, and has a metal having a necessary thickness. Using a plate, the two joints 3 and 3 are arranged in an L-shape that is a right angle, and both joints 3 and 3 are connected by fan-shaped parts 9 and 9 at both side edges, and the fan-shaped parts 9 and 9 are wavy. The buffer portions 8 and 8 are provided, and the joint portions 3 and 3 are respectively provided with an insertion hole 5 for a bolt 4 and an insertion hole for a nail.
[0019]
The metal joints 1b and 1c of the second and third embodiments are, for example, the joint between the base 21 and the pillar 22 or the joint between the pillar 22 and the beam 23 in the structure of the frame wooden house in FIG. Used as a reinforcing part for the corners.
[0020]
The fourth embodiment shown in FIG. 5 is a long plate-like joint metal 1d that reinforces a joint portion in two directions of a structure from the inside, and uses a metal plate having a required thickness and has a length. The joints 3 and 3 are bent and formed at both ends of the metal main body 10 at an angle of 45 degrees, and the reinforcing ribs 11 are connected to the metal main body 10 and the joints 3 and 3 along the length direction. And provided with wave-like buffering portions 8 and 8 at positions close to the metal body 10 of both joint portions 3 and 3, and the insertion holes 5 of the bolts 4 and nails are inserted into the joint portions 3 and 3. Each hole is provided.
[0021]
The metal joint 1d according to the fourth embodiment is used, for example, as a reinforcement for the joint between the beam 23 and the beam 23 in the structure of the frame wooden house in FIG.
[0022]
As described above, each of the joint hardware 1a to 1d of the present invention is used as a reinforcement of the joint portion of the structure in the structure of the frame wooden house, and when the structure is distorted by an earthquake or the like, a predetermined size is obtained. It keeps its shape against any load and reinforces the joints of the structure.
[0023]
When a large load exceeding the shape maintenance of the joint hardware 1a to 1d is applied to the structure, the joint hardware 1a to 1d that reinforces the joint of the structure is deformed by the expansion or contraction of the wave-like buffering portion 8. Thus, it is possible to absorb the load on the fastening portion of the bolt or nail fastening means to the structure, and to effectively prevent the breakage or withdrawal thereof.
[0024]
【The invention's effect】
As described above, according to the present invention, in a metal joint made of a metal plate for joining and reinforcing two or more structures, a wave-like buffer portion is provided between the joint and the joint to be fixed to the structure. Therefore, when the structure is distorted by an earthquake or the like, it maintains its shape with respect to the load up to a predetermined size, reinforces the joint part of the structure, and large load that exceeds the shape maintenance of the joint hardware Is added to the structure, the joint metal is deformed by the expansion or contraction of the wavy cushioning portion, absorbing the load on the fastening portion of the fastening means such as bolts and nails, and breaking or Pull-out can be prevented.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a first embodiment of a metal joint. FIG. 2 is a perspective view showing a second embodiment of the metal joint. FIG. 3 is a perspective view showing a third embodiment of the metal joint. FIG. 4 is a perspective view showing a fourth embodiment of the joint hardware. FIG. 5 is a perspective view of a structure in a wooden framed house showing a use state of the joint hardware.
1a to 1d Metal fitting 3 Joint part 4 Bolt 5 Insertion hole 6 Nail 8 Buffer part 9 Fan-shaped part 10 Metal fitting body

Claims (3)

Formed by projecting joints that are fixed to the structure with insertion holes of fastening means such as bolts, projecting from the assembly part in three directions, using metal plates for joining and reinforcing two or more structures Then, by bending the metal plate forming the joint metal into a wavy shape extending toward the inner corner between the joints at a position between the joints adjacent to each other in the joint part of the joint metal, A metal joint provided with a buffer part that can be expanded and contracted in the surface direction.   Two joints, each of which is made of a metal plate made of a metal plate for joining and reinforcing two or more structures, are arranged in a substantially L shape, and are fixed to the structure by insertion holes of fastening means such as bolts, A fan-shaped part connecting both joints, and a metal plate forming the fan-shaped part on the fan-shaped part extends from the corner between both joints toward the position between the two joints at the edge of the fan-shaped part. A metal joint provided with a buffer part that can be expanded and contracted in the surface direction of the fan-shaped plate by being bent into two. A metal fitting made of a metal plate for joining and reinforcing two or more structures is bent and coupled to both ends of the metal main body formed of a single long metal plate, and bolts are fastened. The metal plate forming the joint is formed at the position closer to the metal body of the joint at the insertion hole of the means, and the side of the joint from the inner side in the width direction of the joint. contact alloy material having a song clogs buffer portion folded in a wave spreading toward the edge.

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