JP4384802B2 - Column base hardware for wooden construction - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a column base for a wooden building used for directly fixing a column to foundation concrete.
[0002]
[Prior art]
A pair of leg plates are set up relative to each other through the mounting holes of anchor bolts on the board, and a receiving plate for mounting and fixing a column on the leg plates is constructed. There is a structure in which a base plate is fixed to the foundation concrete by passing an anchor bolt projecting from the base plate and a nut is screwed and tightened to the bolt, and a column is placed and fixed on a receiving plate.
[0003]
[Problems to be solved by the invention]
In the conventional example, a support plate is supported by a pair of opposing leg plates, so that a space is formed between the support plate and the substrate, and a nut is attached to the tip of the bolt that penetrates the assembly hole using this space. It is designed to be screwed and tightened, but because the leg plate is composed of a flat plate, it is weak against shaking and easily deformed to an external force load caused by an earthquake, etc. It became clear as a result of the test.
[0004]
The present invention was devised to eliminate the drawbacks of the conventional example and to provide a column base metal that is more earthquake resistant than the conventional example.
[0005]
[Means for Solving the Problems]
On the base plate provided with an assembly hole through which anchor bolts projecting from the foundation concrete are inserted, a pair of bulging cross-sections in the opposite direction with a gap for operating the nuts screwed to the anchor bolts. A leg plate is welded to the substrate and is set up oppositely, and a receiving plate for mounting and fixing the column on the leg plate is fixed to the leg plate. A connecting plate that is inserted into a slit provided in the base plate and fixed to the pillar is erected, and the connecting plate is welded to the leg plate with a piece interposed between the leg plates through a long hole provided in the receiving plate. By making the structure, the pillars are supported more firmly.
[0006]
【Example】
The drawings show an embodiment of the column base hardware of the wooden building according to the present invention, FIG. 1 is a partially cutaway front view showing a use state, FIG. 2 is a partially cutaway front view, and FIG. It is a top view.
[0007]
In the column base metal A of the embodiment, a pair of leg plates 3 and 3 are erected on the upper surface of a square substrate 2 provided with an assembly hole 1 at the center through the assembly hole 1. A receiving plate 4 is installed on the leg plates 3 and 3, and a piece 6 a of the connecting plate 6 is passed through a long hole 5 provided in the center of the receiving plate 4 so as to be interposed between the leg plates 3 and 3 and welded to each other. A connecting plate 6 is erected at the center of the receiving plate 4.
[0008]
The pair of leg plates 3, 3 is formed of a bent plate having an arcuate cross-section in which the opposing surfaces are swelled in the opposing direction, and the substrate in the direction perpendicular to the opposing direction is closest to the assembly hole 1. 2, an operation gap 8 sufficient to engage a tool for screwing and tightening the nut 10 to the anchor bolt 11 is formed between the leg plates 3 and 3.
[0009]
The receiving plate 4 installed on the leg plates 3 and 3 is substantially the same shape as the cross section of the pillar 12 and is welded to the leg plates 3 and 3. 6a is inserted between the leg plates 3 and 3, the part 6a and the upper part of the leg plate 3 are welded to each other, and the connection plate 6 and the receiving plate 4 are erected on the welding plate a. The pillar 12 and the receiving plate 4 are securely in contact with each other so as not to remain on the receiving plate 4.
[0010]
However, since the connection plate 6 and the leg plate 3 are welded through the receiving plate 4, these three members are more firmly fixed, and it is difficult for the torsional deformation to occur due to the bending shape of the cross section of the leg plate 3. Therefore, the pillar can be supported even more firmly.
[0011]
The leg plate 3 has a V-shaped cross section and the like, and need not be limited to the shape of the embodiment.
[0012]
Then, the assembly holes 1 are engaged with the anchor bolts 11 protruding from the foundation concrete 13 (so that the anchor bolts 11 pass through the assembly holes 1), and the column base metal A is mounted on the anchor bolts 11 as a substrate. The column base metal A is fixed to the foundation concrete 13 by combining the two parts and screwing and tightening the nut 10 to the tip of the anchor bolt 11 protruding from the assembly hole 1 (substrate 2). Then, the column 12 is placed on the receiving plate 4 so that the connection plate 6 of the hardware A is engaged with the slit 14 provided at the lower end, and the through hole provided in the column 12 and the through-hole provided in the connection plate 6 are provided. The column 12 is supported and fixed to the column base metal A by passing the connection bolt 17 through the hole 16 and screwing and tightening a nut to the tip of the bolt 17.
[0013]
In the figure, reference numeral 19 denotes a hard rubber, which is expected to have an anti-vibration effect.
[0014]
【The invention's effect】
Since the present invention is configured as described above, even if an external force is applied in the direction of the plate surface of the leg plate, it is not easily deformed due to the cross-sectionally bent shape, and is durable against an external force in the twist direction. As the column base metal that can be directly fixed to the foundation concrete by applying an anchor bolt, a product that is durable and can reliably support the column can be provided.
[Brief description of the drawings]
FIG. 1 is a partially missing front view showing a use state.
FIG. 2 is a partially cutaway front view.
FIG. 3 is a partially cutaway plan view.
[Explanation of symbols]
1 Assembly hole 2 Substrate 3 Leg plate 4 Support plate 11 Anchor bolt 12 Pillar 13 Foundation concrete

Claims (2)

On the base plate provided with an assembly hole through which anchor bolts projecting from the foundation concrete are inserted, a pair of bulging cross-sections in the opposite direction with a gap for operating the nuts screwed to the anchor bolts. erected relative to welding the leg plate on the substrate, a receiving plate for fixing by placing the pole in the leg plate is provided with welded to the leg plate, wooden structures for the column base hardware.   A connecting plate that is inserted into a slit provided in a column and fixed to the column is erected on the receiving plate, and the connecting plate has a piece interposed between the leg plates through a long hole provided in the receiving plate. The wooden pedestal for wooden buildings according to claim 1, which is welded to the leg plate.

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