JP5339608B2 - Column fixing structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate the work of constructing a heat insulating material, to obtain a column fixing portion having a favorable appearance without needing the surplus hang-over of the heat insulating material, and to facilitate a measure against a thermal bridge in a fixing structure of fixing a column by fixing hardware. <P>SOLUTION: In the fixing structure for fixing a column 30 composed of a square timber having a thickness equal to a wall thickness to a foundation 11, a small portion 31 having a thickness thinner than the wall thickness is formed at the lower end of the column, the small portion is fixed to the foundation by the fixing hardware 20 having a thickness equal to that of the small portion, and heat insulating materials 50, 51 are mounted to recesses 32, 33 formed of the wall and the small portion. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a column fixing structure in, for example, a woody prefabricated building, and more particularly to a column fixing structure for fixing a lower end portion of a column such as a corner column or an intermediate column in a first-floor part in the case of a three-story house to a foundation. .

  For example, in the case of a three-story house, fixed parts such as box hardware are used to fix the corner pillars and intermediate pillars in the first floor part on a floor panel laid on a fabric foundation. Is generally used (see, for example, Patent Documents 1 and 2).

Japanese Patent Laid-Open No. 6-136827 JP-A-7-197522

  By the way, in such a column fixing structure using a fixed hardware such as a box hardware, it is necessary to take measures against a thermal bridge in the portion. For this reason, it has been conventionally performed to perform a construction in which a joint portion made of the box metal or the like is surrounded by a heat insulating material or the like.

  However, in the conventional example of the column fixing structure as described above, there is a problem that the construction of the heat insulating material is troublesome and complicated. In particular, according to the above-described conventional structure, the heat insulating material is provided on the outside around the pillar and the floor panel. However, since the mounting surface is a flat surface, it is difficult to install the heat insulating material, and the workability is improved. It was a problem.

  The present invention has been made in view of such circumstances, and in the fixing structure of the lower end portion of the column, it is possible to easily perform the construction work of the heat insulating material, and to easily and reliably take measures against the thermal bridge in the portion using the fixing bracket. It aims at obtaining the fixing structure of the pillar which can be aimed at.

  In order to meet such an object, the column fixing structure according to the present invention (the invention according to claim 1) is a structure in which a column made of square material having a thickness equal to the wall thickness is fixed to a foundation, A small part thinner than the wall thickness is formed at the lower end, and the small part is fixed to the foundation with a fixed metal having the same thickness as the small part, and a heat insulating material is loaded into the recess formed by the wall and the small part. It is characterized by that.

  The column fixing structure according to the present invention (the invention described in claim 2) is the column fixing structure according to claim 1, wherein the lower end portion of the column has a wall thickness by notching two peripheral surfaces of the column in the axial direction. It is formed as a thinner small portion.

  The column fixing structure according to the present invention (the invention described in claim 3) is the column fixing structure according to claim 1 or 2, wherein the fixing hardware fixes the base on the floor placed on the foundation. And a pair of support pieces extending from the base at an interval corresponding to the thickness of the small portion.

  The column fixing structure according to the present invention (the invention according to claim 4) is the column fixing structure according to claim 1, 2 or 3, wherein the base of the fixed hardware has a quadrangular shape in a side view. A box-shaped part is formed, and the box-shaped part constitutes a nut fixing space for fixing an anchor bolt protruding from the foundation.

  As described above, according to the column fixing structure of the present invention, a small portion thinner than the wall thickness is formed at the lower end portion of the column, and the small portion is fixed to the foundation with a fixed hardware having the same thickness as the small portion. In addition, since the heat insulating material is loaded in the recess formed by the wall and the small portion, the following excellent effects can be achieved despite the simple structure.

(1) Measures for thermal bridge when using fixed hardware for connecting to the foundation side of the pillar, especially construction of heat insulating material should be made easy.
(2) In particular, since it is configured so that a heat insulating material is loaded and disposed using a recess formed by a small portion at the lower end of the column, the flatness around the column or floor panel is conventionally provided. Compared to the case where the heat insulating material is extended and attached to the outer surface, the work can be performed very easily, and the workability is excellent.

It is a general | schematic disassembled perspective view of the principal part which shows one Embodiment of the fixing structure of the pillar which concerns on this invention. In FIG. 1, it is the schematic which shows the relationship between the small part of the lower end part of the pillar which characterizes this invention, and a fixing bracket. It is a longitudinal section of the important section showing one embodiment of the pillar fixation structure concerning the present invention. It is a transverse cross section of the important section showing one embodiment of the pillar fixation structure concerning the present invention.

1 to 4 show an embodiment of a column fixing structure according to the present invention.
In addition, in this embodiment, the case where a corner pillar is fixed on the foundation in the 1st floor part of a three-story house is illustrated, for example.

  In these drawings, reference numeral 10 is a fabric foundation, 11 is a base ring, 12 is a floor panel, 13 is a semi-base, 14 is an anchor bolt for fixing a wall panel, 15 is an anchor bolt for fixing a pillar, and 20 is a fixing hardware for a corner pillar. , 30 are corner pillars, and 40 is a wall panel.

  Wall panel fixing anchor bolts 14 and 14 are embedded on both sides of the corner portion of the fabric foundation 10 at a right angle, and a column fixing anchor bolt 15 is embedded at the corner apex portion.

The floor panel 12 is laid on the upper surface of the corner portion of the fabric base 10 via the pedestals 11 and 11, respectively, and along the end of the floor panel 12, for example, the half bases 13 and 13 having a width of 60 mm. Are attached respectively.
Then, for example, a 120 mm square corner pillar 30 is erected on the corner portion of the floor panel 12 and the semi-bases 13 and 13 which are separate members along the end thereof. The corner column 30 is made of a square member having a thickness equal to the wall thickness of the wall panel 40.

Here, the outer surface of the floor panel 12 and the inner surface of the semi-bases 13 and 13 are preliminarily subjected to notching for passing the anchor bolts 14, 14 and 15. Thereby, for example, the anchor bolts 14, 14, 15 having a diameter of 12 mm protrude between the floor panel 12 and the semi-bases 13, 13 and above.
As shown in FIG. 3, the floor panel 12 is formed by joining and integrating core materials 122, 123...

  Now, according to the present invention, when fixing the above-described corner column 30 to the fabric foundation 10 side, a small portion 31 having a rectangular column shape thinner than the wall thickness is formed at the lower end portion of the column 30, and this small portion 31 is formed. The fixing hardware 20 having a thickness equal to that of the small portion is fixed on the semi-bases 13 and 13 and the floor panel 12 on the cloth foundation 10, and the heat insulating material is provided in the concave portions 32 and 33 formed by the wall panel 40 and the small portion 31. 50 and 51 are loaded.

  Here, the above-described small portion 31 is formed as a small rectangular column-shaped small portion 31 that is thinner than the wall thickness by notching two peripheral surfaces of the column 30 by a predetermined depth along the axial direction at the lower end portion of the column 30. Has been.

  Further, the fixed hardware 20 fixes a box-shaped portion 21 having a quadrangular shape in a side view provided on the base portion on the floor (by the floor panel 12 and the semi-bases 13 and 13) placed on the cloth foundation 10, and A pair of support pieces 22 and 23 are provided so as to extend from the box-shaped portion 21 with an interval corresponding to the thickness of the small portion 31.

A nut fixing space for fixing the anchor bolt 15 protruding from the cloth base 11 side is formed inside the box-shaped portion 21 at the base of the fixed hardware 20.
In the figure, reference numeral 26 denotes a nut for fastening the anchor bolt 15. Reference numeral 27 denotes a nail for fixing the support pieces 22 and 23 to the small portion 31 of the column 30.

  More specifically, as shown in FIG. 1 to FIG. 4, the fixed hardware 20 for the corner pillar 30 is a small portion formed thinner than the corner pillar 30 made of square material having a thickness equal to the wall thickness. Corresponding to 31, for example, a box-shaped part 21 having a size of 90 mm square and the two adjacent sides extending upward from the box-shaped part 21 are vertically installed and integrated, for example, , And two support pieces 22 and 23 by a flat plate having a width of about 50 mm and a height of about 200 mm.

  Here, the above-described box-shaped portion 21 is formed in a box shape in which a horizontally opposed surface is an opening surface for screw tightening, and is an upper surface portion that does not correspond to the opening surface. The support pieces 22 and 23 are extended in the vertical direction so as to face the upper part of the surface.

  The box-shaped portion 21 and the support pieces 22 and 23 described above are formed by bending, for example, an iron plate having a thickness of about 9 mm, and a circular plate having a diameter of about 30 mm is formed at the center of the bottom plate of the box-shaped portion 21. While the mounting holes (see FIG. 2) are formed, the support pieces 22 and 23 are formed with a total of 12 holes, for example, 6 in the horizontal direction and 6 in the vertical direction.

  On the other hand, as shown in FIG. 1 and FIG. 2, the bottom surface of the corner column 30 has its two surfaces cut off over a predetermined length, whereby a small portion 31 is formed. Then, the support pieces 22 and 23 are fixed to the two surfaces of the small portion 31 with nails 27, and the fixing hardware 20 is fixed to the cloth base 11 side with the anchor bolts 15 and nuts 26. It is supported and fixed in a state where it stands on the floor panel 12 on the fabric foundation 11.

  According to the above configuration, the small portion 31 thinner than the wall thickness is formed at the lower end portion of the column 30 equal to the wall thickness, and the small portion 31 is clothed with the fixed hardware 20 having the same thickness as the small portion 31. The size and shape are fixed to the base 11 side and cover the fixed hardware 20 assembled to the outside and the lower end of the small portion 31 in the recesses 32 and 33 formed by the wall 40 and the small portion 31. Since the heat insulating materials 50 and 51 formed in (1) are loaded, the following excellent effects can be obtained despite the simple structure.

  That is, it is possible to very easily carry out countermeasures against the thermal bridge when the fixed hardware 20 is used for coupling the pillar 30 to the cloth foundation 11 side, in particular, the heat insulating materials 50 and 51.

  In particular, since the heat insulating materials 50 and 51 are loaded and arranged using the concave portions 32 and 33 formed by the small portion 31 at the lower end portion of the column 30, as in the conventional case, the columns and floor panels are arranged. There is no need for the troublesome work of holding the heat insulating material by hand, such as when attaching the heat insulating material to the surrounding flat surface, and the work of assembling the heat insulating materials 50, 51, etc. can be performed very easily. Excellent in terms of sex.

  More specifically, as in the present invention, the fixed hardware 20 is fixed to the small portion 31 provided at the lower end portion of the column 30, so that the lower end portion of the column 30 is adjacent to the periphery of the small portion 31. Since the heat insulating materials 50 and 51 are loaded and incorporated in the recesses 32 and 33 formed between the wall panel 40 and the wall panel 40 to be arranged, the heat insulating materials 50 and 51 are positioned and loaded at predetermined positions. Is possible.

In addition, the troublesome work of holding the heat insulating materials 50 and 51 by hand during the loading operation of the heat insulating materials 50 and 51 to prevent them from falling is unnecessary.
In particular, if the shape of the heat insulating materials 50, 51, etc. is made larger than the shape of the recesses 32, 33 and loaded into the respective recesses 32, 33 in a compressed state, it will be more difficult to drop. The practical advantages are great.

Note that the present invention is not limited to the structure described in the above-described embodiment, and it is needless to say that the shape and structure of each part constituting the fixing structure of the pillar 30 can be appropriately modified and changed.
For example, various modifications can be considered as the arrangement structure of the floor panel 12 and the like on the cloth foundation 11 and the arrangement structure of the wall panel 40 and the like.

  Moreover, although the corner pillar was illustrated as the pillar 30, it is not limited to this. Furthermore, the fixing bracket 20 is not limited to a substantially U-shaped bracket made up of the box-shaped portion 31 and the support pieces 32 and 33, and an appropriate modification can be considered.

DESCRIPTION OF SYMBOLS 10 Cloth foundation 11 Wheel 12 Floor panel 13 Semi-base 14 Anchor bolt 15 for fixing a wall panel Anchor bolt 20 for fixing a column 20 Column fixing hardware 21 Box-shaped parts 22, 23 Support piece 26 Nut 27 Nail (screw nail)
30 pillars (corner pillars)
31 Small part 32, 33 Recess 40 Wall panel 50, 51 Heat insulating material

Claims (4)

It is a structure that fixes a pillar made of square wood having a thickness equal to the wall thickness to the foundation,
Form a small part thinner than the wall thickness at the lower end of the column,
While fixing this small part to the foundation with a fixed hardware of the same thickness as the small part,
A structure for fixing a pillar, characterized in that a heat insulating material is loaded in a recess formed by a wall and a small portion. In the fixing structure of the pillar of Claim 1,
The lower end portion of the column is formed as a small portion thinner than the wall thickness by notching two peripheral surfaces of the column in the axial direction. In the column fixing structure according to claim 1 or 2,
The fixed hardware includes a pair of support pieces that fix the base on a floor placed on a foundation and extend from the base at an interval corresponding to the thickness of the small portion. Column fixing structure. In the fixing structure of the pillar according to claim 1, claim 2, or claim 3,
A box-shaped portion having a rectangular shape in side view is formed at the base of the fixed hardware, and the box-shaped portion constitutes a nut fixing space for fixing an anchor bolt protruding from the foundation. Fixed structure.

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