JP4837393B2 - Column and foundation joining device - Google Patents

Description

  The present invention relates to a column / base joining apparatus that is applied to a wooden building, that is, a wood pillar / base joint.

  Anchor bolts erected on the foundation concrete are passed through a base placed on the foundation concrete and a joining plate superimposed on the foundation, and a nut is screwed onto the tip of the anchor bolt protruding from the joining plate. The base plate and the joining plate are fastened to the foundation concrete, and the joining plate is inserted into a slit provided on the lower surface of the column, and the joining plate and the column are fixed by a fastening pin (drift pin) driven from the side surface of the column. There exists a thing of the structure connected mutually (for example, patent document 1).

JP-A-8-184062

  The above-mentioned conventional structure constitutes a joining device excellent in strength in the sense that the pillar and the base are joined to the foundation concrete by using anchor bolts arranged at the axis position of the pillar. After all, the external force to be loaded has a problem in terms of durability because it is configured to concentrate on the anchor bolt.

  This invention pays attention to such a fault of a prior art example, and it was created for the purpose of providing a generally durable joining apparatus without the load of the external force with respect to a pillar concentrating on an anchor bolt.

A joint base frame having a U-shaped cross section composed of a base piece and a connection piece is fitted into a square cross-section assembly hole provided vertically on the base, and the base piece and the assembly hole of the joint base frame are fitted. An anchor bolt erected on the foundation concrete on which the foundation is placed is inserted into the bottom wall of the base, and a nut is screwed onto the tip of the anchor bolt protruding from the base piece, and side pieces on both sides of the base piece Of the tenon frame of the rectangular frame shape that is relatively disposed, the side piece that is fixed to the column and protruded from the lower surface of the column is fitted inside the connection piece of the joining base frame, and the tenon frame and the connection The pieces are fixed to each other with connecting rods inserted into the base.

  According to the present invention, since the column and the base are fastened and joined to the foundation concrete by using the anchor bolts directly below the column, a very strong column and foundation joining apparatus can be obtained.

  The drawings show one embodiment of a column / base joining apparatus according to the present invention, FIG. 1 is a sectional view, FIG. 2 is a plan view of a tenon frame, and FIG. 3 is a partial perspective view of the base.

  In the present invention, a pillar P and a base B are joined by using a metal joining base frame 1 and a metal joining fitting 2, and the joining base frame 1 has a through hole 3 in the center. A cross-sectional shape formed by connecting and connecting connecting pieces 5 and 5 at one opposite ends of the base piece 4 and reinforcing pieces 5 'and 5' at the other opposite ends, respectively. The connection part pieces 5 and 5 are provided with a pair of upper and lower second through holes 6 and 6 that coincide with each other between the connection part pieces 5 and 5.

  The joining metal fittings 2 are radially arranged in four directions at equal intervals on the base piece 7a of the tenon frame 7 in which the side pieces 7b and 7b are suspended relative to both ends of the rectangular flat base piece 7a. The fitting frame 8 is composed of four pieces 8a, 8a, 8a, 8a.

  Thus, the insertion frame 8 is inserted into the cross-shaped slit 13 provided so as to divide the lower surface of the column P into four, and the through hole 14 on the column P side and the transparent portion provided in the piece 8a of the insertion frame 8 are provided. The fixing rod 16 is inserted into the hole 15, fixed to the column P in the insertion frame 8, and the joining bracket 2 is assembled to the column P so that the tenon frame 7 protrudes from the lower surface of the column P (an outline). Done in the factory).

  The tip of the anchor bolt b standing on the foundation concrete C is penetrated through the insertion hole 10 provided in the center of the bottom wall portion Ba of the assembly hole 9 having a rectangular cross section provided vertically on the base B. The base B is placed on the foundation concrete C, and the joint base frame 1 is inserted into the assembly hole 9 so that the tip of the bolt b projecting into the assembly hole 9 through the insertion hole 10 is inserted into the through hole 3. (At this time, the second through holes 6 and 6 are oriented so as to coincide with the pair of upper and lower second insertion holes 10 'and 10' provided in the side wall Bb of the mounting hole 9 of the base B) A base piece 4 of the base frame 1 is placed on the bottom wall portion Ba of the base B, and a nut 12 is screwed onto a tip of a bolt b projecting from the base piece 4 via a washer 11, 11 ′, thereby mounting the base B. Tighten to foundation concrete C.

  The tenon frame 7 projecting from the lower surface of the column P is provided with a through hole 6 provided in the joining piece 5 of the joining base frame 1 in which the through hole 18 provided in the tenon frame 7 is accommodated in the assembly hole 9 of the base B. The column P is erected on the base B by fitting it in the assembly hole 9 so as to match, and the connecting rod 19 is inserted into the holes 6 and 18 through the second insertion holes 10 ′ provided in the base B. By doing so, the pillar P and the base B are joined to each other, and the embodiment device can be obtained.

Sectional drawing. The top view of a mortise frame. The partial perspective view of a foundation.

Explanation of symbols

1 Joining base frame 4 Base piece 5 Connection part 7 Tenon frame 9 Assembly hole 12 Nut 19 Connection rod B Base b Anchor bolt Ba Bottom wall part C Base concrete P Column

Claims (1)

A joint base frame having a U-shaped cross section composed of a base piece and a connection piece is fitted into a square cross-section assembly hole provided vertically on the base, and the base piece and the assembly hole of the joint base frame are fitted. An anchor bolt erected on the foundation concrete on which the foundation is placed is inserted into the bottom wall of the base, and a nut is screwed onto the tip of the anchor bolt protruding from the base piece, and side pieces on both sides of the base piece Of the tenon frame of the rectangular frame shape that is relatively disposed, the side piece that is fixed to the column and protruded from the lower surface of the column is fitted inside the connection piece of the joining base frame, and the tenon frame and the connection A column / base joining apparatus in which the pieces are fastened to each other by connecting rods inserted into the base.

Images