JPS6311256Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention is a column base metal fitting that supports the lower end of a steel pipe column and can be attached to the foundation accurately and efficiently in a prefabricated building constructed using lightweight steel frames. An embodiment of the mounting structure (hereinafter referred to as structure) will be described below with reference to the drawings.

In the structure of the present invention, for example, a steel pipe column 3 is installed at a right angle or T-shaped corner of the foundation 2 illustrated in FIG.
Column base metal fitting 6 equipped with a U-shaped piece 5 into which the lower end of the column can be inserted
The column base metal fitting 6 is used to fix the column base metal fitting 6 to the foundation forms 7 and 8 for foundation molding, and the column base metal fitting 6 is attached using the fixing metal fitting 9. The column base metal fitting 6 has the U-shaped piece 5 inserted into the groove 1 at the upper end of the support shaft 12 on which the embedded plate 11 is installed horizontally.
3 facing upward, and the U-shaped piece 5 is provided with side pieces 16, 16 on both sides of the groove 13, and the side pieces 16, 16 are provided with concentric bolts 14 for insertion. A through hole 15 is provided therethrough. The fixing fitting 9 has a long piece 17 with both ends protruding from the groove 13, and is inserted into the groove 13. The insertion position is regulated by contacting one side edge of the Further, a U-shaped leg fitting 20 whose lower end abuts the bottom surface of the U-shaped piece 5 is fixed to the long piece 17, and the leg fitting 20 positions the upper surface of the long piece 17 at the lower end of the through hole 15. Further, the bolt 14 passing through the through hole 15 engages with the back of the upright piece 21 formed on the upper surface of the long piece 17 when the long piece 17 is inserted, and as a result, the long piece 17 engages with the back of the raised piece 21 formed on the upper surface of the long piece 17. The fixing metal fitting 9 and the column base metal fitting 6 are fixed by restraining the front and rear sides thereof with the upright pieces 21 and the upper surface thereof with the bolts 14. In addition, an overhanging part 22 made of an upper plate that projects laterally is provided behind the protrusion 19 of the fixing fitting 9, and the overhanging part 22 is fixed to the flange 24 at the upper end of the foundation formwork 7 using a clamp 25 such as a vise fitting. and an overhanging portion 23 of the long piece 17 that protrudes from the U-shaped piece 5.
The column base metal fittings 6 are attached by fixing them to the foundation formwork 8 which is orthogonal to the foundation formwork 7.

However, in the structure of the present invention, the column base metal fitting 6 can be pre-assembled to the fixing metal fitting 9 in a non-removable manner by the protrusion 19 of the long piece 17 and the rising piece 21 that engages with the bolt 14. By fixing to the foundation formworks 7 and 8, the column base metal fittings 6 are fixed at desired positions and heights, and lifting up during concrete pouring is prevented.

As mentioned above, the structure of the present invention allows column base metal fittings to be easily and accurately planted on the foundation, making formwork work more efficient and also useful for reducing construction costs. In addition, in the structure of this invention, the fixing metal fittings are attached at both ends of the long piece.
It can be modified in various ways, such as by providing overhangs extending on both sides and allowing it to be attached to parallel foundation forms.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is an exploded perspective view thereof, and FIG. 3 is a perspective view illustrating a column base metal fitting. 2... Foundation, 5... U-shaped piece, 6... Column base metal fittings,
7, 8...Foundation formwork, 9...Fixing metal fittings, 14...
Bolt, 15... Through hole, 16... Side piece, 17...
Long piece, 19... Protrusion, 21... Standing piece, 22,
23... overhang, 25... clamp.

Claims (1)

[Scope of utility model registration request] A U-shaped piece that is provided at the upper end of the column base metal fitting and has side pieces that sandwich an upwardly facing groove and has a through hole concentrically penetrated therethrough. The piece is inserted, the protrusion formed on the long piece is brought into contact with the side edge of the U-shaped piece, and the upright piece formed on the upper surface of the long piece is engaged with a bolt passing through the hole in the U-shaped piece. A mounting structure for a column base metal fitting, characterized in that, at the same time, an overhanging portion extending from the long U-shaped piece is fixed to the foundation formwork using a clamp.