JP4034464B2 - Bracing wooden structures - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a brace arranged in a frame formed of two pillars and upper and lower horizontal members in a wooden building such as a wooden house.
[0002]
[Prior art]
In buildings with wooden frames, bracing is arranged in the frame between two adjacent left and right pillars and upper and lower horizontal members such as foundations and beams in order to improve earthquake resistance. ing. This bracing is arranged on a diagonal line in the frame, and one is arranged diagonally (one bracing), or two are arranged to cross each other, and the end and the intersection are fixed with predetermined metal fittings, respectively. Things have been done.
[0003]
[Problems to be solved by the invention]
In general, bracing is done by measuring the diagonal distance of the frame at the site, cutting the braces accordingly, placing the small edge of the end in contact with the pillar and horizontal member, and fixing with the specified brackets. However, it was inferior to the workability of the construction, and it was difficult to arrange accurately with unskilled skills.
[0004]
An object of the present invention is to solve such problems, and an object of the present invention is to provide a brace that can be accurately constructed by a simple work using a precut brace. Furthermore, it aims at improving the workability of the braces to cross.
[0005]
[Means for Solving the Problems]
In order to solve such a problem, the invention described in claim 1 is adapted to the width of the frame in the bracing of the wooden building arranged in the frame formed by two left and right columns and upper and lower horizontal members. Both ends are pre-cut into L-shapes to form a vertical fore surface that abuts on the pillar and a horizontal fore surface that abuts on the horizontal member. It is formed to have a length corresponding to the length of the frame, and both end portions are cut along the horizontal fore edge according to the opening height of the frame. By configuring in this way, bracing can be easily performed at the site by simply measuring the opening height of the frame.
[0006]
According to the second aspect of the present invention, a bracing is formed by attaching a cutting guide corresponding to the opening height of the frame to the end portion. By comprising in this way, both ends can be cut | disconnected correctly along a guide according to the opening height of a frame | frame.
[0007]
The invention according to claim 3 is a bracing of a wooden building in which the braces according to claim 1 or 2 are arranged so as to cross each other, and one of the intersecting braces is half the diagonal of the frame. Consists of a pair of braces to handle, the inner end of this brace as a convex fore edge, forming a recess that fits into the convex fore edge on both sides of the other brace, the inner end of the pair of braces as the other It is characterized by being previously fixed to the connecting bracket with an interval for fitting the braces. By comprising in this way, the workability | operativity of the bracing which cross | intersects in a framework can be aimed at, and cost can be reduced.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be specifically described below based on examples of the drawings.
The brace 10 shown in FIG. 1 is arranged in a three-frame framework in which the distance between the centers of the left and right pillars is the most common. 11 and a horizontal edge surface 12 that contacts the horizontal member are formed. In this brace 10, the width W between the vertical fore edges 11 at both ends is set to a value adapted to the three scales that are the distance between the left and right columns, and the length L of the fore edge 11 is within a predetermined allowable range. It is formed long enough to accommodate the height of the framework.
[0009]
When this brace 10 is used as a single brace, the distance between the upper and lower horizontal members of the frame, that is, the opening height of the frame, is measured at the site, and the cutting line A along the horizontal fore edge 12 according to the opening height. Cut both ends with and arrange on the diagonal line in the framework.
[0010]
The brace 10 shown in FIG. 2 is also arranged in a framework having a left and right column spacing of 3 scales. Both ends are pre-cut into an L shape, and a vertical fore edge surface 11 and a horizontal fore edge surface 12 are formed. Yes. Several levels of indicator lines 14 are inscribed in parallel to the horizontal edge surface 12 on the surface of one end of each end (one side because there is no front or back), and this indicator line 14 is the height of the opening of the frame. In response to this, the cutting of both ends is guided, and a number corresponding to the height dimension 15 is written on the instruction line 14. In this way, cutting guides corresponding to the opening height of the frame are attached to both ends.
[0011]
This brace 10 can be adapted so that the opening height of the frame is in the range of 2 m60 cm to 2 m85 cm, and within this range, the vertical fore edge surface 11 and the horizontal fore edge surface 12 are not less than the width that guarantees the strength. Is set to For example, if the opening height is 2 m 70 cm, the indicator line 14 is set so as to be accurately arranged on the diagonal line in the frame by cutting off both ends along the line 2700, and therefore, the interval between the scales Is 1/2 of the actual size. The brace 10 is constructed by measuring the opening height of the frame at the site, cutting both ends in accordance with an indicator line 14 suitable for the opening height, and disposing the diagonal line in the frame.
[0012]
In addition to this brace 10, by preparing separately a brace to be arranged in a frame having a lower opening height, an adaptation range of about 2m40cm to 2m60cm, it is almost compatible with general wooden buildings. Can do. Also, pre-cut those with different width W and inclination angle, such as those based on the 4 and a half, 6 and even metric modules, and the indicator line 14 and the height dimension 15 at both ends. You can respond by filling in and preparing.
[0013]
FIG. 3 shows another embodiment of the guide attached to the end portion, in which several stages of marks 16 instead of the indication line 14 of the previous example and numbers corresponding to the height dimension 15 are inscribed on the end surface, This is a simplified guide for cutting. FIG. 4 shows still another embodiment of the guide attached to the end portion, in which the scale 17 is entered on the end surface at a finer pitch, and the cutting guide is attached in detail. These braces 10 are measured by measuring the opening height of the frame at the site, cutting both ends in accordance with marks 16 and scales 17 suitable for the opening height, and arranging them on a diagonal line in the frame.
[0014]
In this way, as a guide for cutting according to the opening height of the framework, the indicator line 14, the mark 16, the scale 17, the height dimension 15 thereof, and the like are end portions, and these guides are attached to the edge of the end portion. It is also possible to attach a sticker instead of filling in.
[0015]
FIG. 5 shows a connecting fitting 20 that fixes a crossing portion of the braces to be constructed by crossing. The connecting metal fitting 20 is formed by metal plate processing of a metal plate, and is formed by bending a side edge surface 22 with which the side surface of the brace abuts at right angles to the left and right side edges of the mounting surface 21 with which the surface of the brace abuts. Yes. The rear half portion 24 of the side edge surface 22 is separated from the mounting surface 21 by a notch 23 and can be bent outward. A state in which the latter half 24 is opened outward is indicated by an imaginary line. Further, screw holes 25 are provided in the mounting surface 21 and the side edge surface 22 so that the braces can be fixed by screwing, nailing or the like.
[0016]
FIG. 6 is an explanatory diagram in the case where the bracing shown in FIG. 2 in which the indication line 14 and the height dimension 15 are written at the end portion is constructed using the connecting metal fitting 20. In the construction of the braces using this connecting metal fitting 20, one of the braces arranged in an intersecting manner is constituted by a pair of braces 10a and 10b each handling half of the diagonal of the frame. The braces 10a and 10b are formed in the same shape and the same size, and the inner ends are formed on the convex fore edge surface 17, and the convex fore edge surface 17 and the other side brace 10c are arranged on both sides of the center. The recessed part 18 to fit is formed, and the crossing part of the brace is made into the fitting shape.
[0017]
As shown in FIG. 6, the pair of braces 10 a and 10 b is fixed in advance to the connection fitting 20 with the inner ends thereof spaced apart from each other so as to fit the other braces 10 c. The outer ends of the brace 10a, 10b and both ends of the brace 10c are pre-cut into an L-shape, and several stages of indicator lines 14 for guiding the cutting of the end according to the opening height of the frame and its height dimension 15 Is marked on the end surface. The pair of braces 10a, 10b and the other brace 10c prepared as described above are transported to the site as a set.
[0018]
When construction is performed within the framework of the left and right pillars 1, the base 2, and the beam 3 shown in FIG. 8, the opening height h in the framework is measured. The end portions of the braces 10a, 10b, and 10c are cut along the indication lines adapted to the opening height, and the rear half portion 24 of the side edge surface 22 of the coupling fitting 20 is opened outward by a predetermined angle. By fitting the brace 10c between 10b, an intersecting brace is formed (see FIG. 7), and is fixed to the connecting fitting 20 by screwing. This cross brace is inserted into the frame, and the end is fixed with another metal fitting.
[0019]
【The invention's effect】
The present invention is configured as described above, and the opening height of the frame is measured at the site, and both ends are cut along the horizontal edge surface 12 according to the opening height of the frame, so that the bracing can be easily performed. Is something that can be done.
[0020]
In addition, by forming a brace by attaching a cutting guide according to the opening height of the frame to the end in advance, it is possible to construct the brace accurately just by cutting both ends using this guide as a mark. , Making the bracing work extremely easy without the need for skill.
[0021]
Further, according to the invention described in claim 3, a pair of braces fixed in advance to the connecting metal fitting and the other brace fitted in this pair are set as one set, and the opening height of the frame is similarly measured. Crossing braces can be constructed and workability can be greatly improved. In addition, since the crossed braces are equally cut at both ends, the crossing is always located at the center in the frame, and accurate construction can be performed.
[0022]
In addition, the braces of the present invention can be mass-produced in a factory in advance, and the cost can be reduced by mass production, as well as excellent transportation and handling, and the cost can be greatly reduced by shortening the construction time.
[Brief description of the drawings]
FIG. 1 is a plan view of bracing according to an embodiment of the present invention.
FIG. 2 is a plan view of a brace according to another embodiment of the present invention.
FIG. 3 is a partial plan view showing another embodiment of the guide attached to the end portion.
FIG. 4 is a partial plan view showing still another embodiment of the guide attached to the end portion.
FIG. 5 is a perspective view of a connecting metal fitting.
FIG. 6 is a partial plan view of a set of intersecting braces.
FIG. 7 is a partial perspective view in a state of being fixed to a connecting metal fitting.
FIG. 8 is an explanatory view showing a construction state of intersecting braces.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Bracing 10a Bracing 10b Bracing 10c Bracing 11 Vertical edge surface 12 Horizontal edge surface 17 Convex edge surface 18 Recess 20 Connecting metal fitting

Claims (3)

In the bracing of a wooden building placed in a framework formed by two left and right pillars and top and bottom horizontal members,
It is formed to adapt to the width of the frame, and both ends are pre-cut into an L shape to form a vertical fore edge surface (11) that abuts against the pillar and a horizontal fore edge surface (12) that abuts against the horizontal member. The surface (11) is formed to have a length corresponding to the frame height within a predetermined tolerance, and both ends are cut along the horizontal fore edge surface (12) according to the opening height of the frame. Braided wooden building. The brace according to claim 1, wherein a guide for cutting according to the opening height of the frame is attached to the end portion. A bracing of a wooden building arranged to cross the bracing according to claim 1 or 2,
One of the intersecting braces is composed of a pair of braces (10a, 10b) that handle the half of the diagonal of the framework, and the inner end of the braces (10a, 10b) is a convex small facet (17), A recess (18) that fits into the convex facet (17) is formed on both sides of the center of the brace (10c), and the inner end of the brace (10a, 10b) is used as an interval for fitting the other brace (10c). A brace of a wooden building, which is fixed in advance to the connecting bracket (20) with a gap therebetween.

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