JP2003082764A - Hold-down fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hold-down fixture capable of significantly improving the working efficiently in construction and reducing the cost. SOLUTION: This hold-down fixture for connecting a column 5, a sill 6 and a foundation 4 comprises a seat plate 1 provided between the sill 6 and the foundation 4. The seat plate 1 comprises a connection rod 2 intruded to the lower end surfaces of the column 5 and the sill 6, the intruded part being fixed to the column 5 by a fixing pin 9, an anchor bolt 7 fixed to the foundation 4, and each locking hole for inserting them so as not to be drawable, respectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hole down fitting for supporting and fixing a pillar to a foundation or foundation of a building.

[0002]

2. Description of the Related Art The connection between a pillar, a foundation and a foundation of a wooden building is one of the extremely important parts in the structure of a house. If the pillar is not supported on the foundation in an accurate state, an earthquake, etc. There was a risk that the house would float up and the house would collapse.

Therefore, in view of the above problems, a hole-down fitting for firmly connecting the pillar and the base is used. For example, an anchor bolt protruding on the base is screwed to a seat plate with a connecting rod. , The connecting rod is inserted into the bottom of the pillar, and the pillar is provided with pin holes for fixing pins penetrating the pillar at several positions in a direction intersecting the direction in which the pillar is upright. The fixing pins were inserted with the positions of the pin holes of the pillars aligned with each other.

[0004]

However, in the hole down fitting as described above, the pin holes provided on the pillar side and the pin holes on the anchor bolt side do not match well, and the pin holes in the pillar correspond to each other. Since a pin hole penetrating therethrough was newly formed, the resistance of the pillar was weakened, and the process labor for forming a new pin hole and the cost at the time of construction increased significantly.

Further, it is necessary to prepare various kinds of metal fittings corresponding to each situation depending on the place where the hole down fitting is used or the durability of the building, whereby the pillar and the foundation are connected. There is a problem in that the number of the metal fittings is significantly increased, and the cost is increased.

An object of the present invention is to provide a hole-down fitting which can significantly improve the work efficiency during construction and can be manufactured at low cost.

[0007]

The invention according to claim 1 of the present invention is a hole-down fitting for connecting a pillar, a base and a foundation, and a seat plate is provided between the base and the foundation. Provided on the seat plate are a connecting rod which is fitted to the lower end surfaces of the pillar and the base and whose fitting portion is fixed to the pillar by a fixing pin, and an anchor bolt which is fixed to the foundation. It is characterized in that each locking hole for inserting is provided respectively.

Since the anchor hole is screwed with the anchor bolt, the locking hole may be provided with a thread groove. However, for example, only at a position where the anchor bolt is screwed,
A nut, or a ring-shaped adjust washer having a thread groove on the inner peripheral surface side and a flange at one end may be used. Further, regarding the shape and size of the seat plate, it can be stably fixed between the base and the foundation, and the locking hole is 2
There is no particular limitation as long as it has an area that can be arranged in more than one place. Further, as means for making the connecting rod impossible to be pulled out in the locking hole, specifically, a collar portion is provided at one end of the connecting rod, and a collar receiving concave portion corresponding to the collar portion is provided on the seat plate side. Alternatively, the lower end of the connecting rod may be formed in a divergent state and the locking hole of the seat plate may be formed in a tapered shape.

With this structure, first, the seat plate with the connecting rod inserted into the foundation is fixed by screwing the anchor bolts, then the base is inserted into the connecting rod, and the connecting rod is attached to the seat plate. By rotating the shaft and adjusting the rotation so that the pin hole on the side of the connecting rod and the pin hole on the side of the column are aligned, the connecting rod is fitted into the lower end surface of the column, and finally the column is fixed by the fixing pin. It is possible to easily connect the connecting rod and the connecting rod.

Further, in the invention according to claim 2 of the present invention, since the locking holes are arranged at least at three or more locations along the longitudinal direction of the base of the seat plate, for example, a corner of the base is provided. In the case of standing a pillar at a corner, by inserting the connecting rod into the locking hole provided on the end side of the seat plate, the rising position of the connecting rod on the base is a pillar standing at the corner. When a pillar is to be erected at the middle position of the base corresponding to the core position of the lower end surface of the base, insert the connecting rod into the center locking hole of the three locking holes. so,
One or two anchor bolts can be screwed into either of the left and right portions, so that the rising position of the connecting rod corresponds to the core position of the lower end surface of the column in a state where stable support is always possible.

Here, the locking holes are required in three or more places of the seat plate, when the pillar is erected on the base, the position where the connecting rod is inserted and the position where the anchor bolt is screwed are the corner angles of the base. This is because the case is different from the case in the middle. For example, when a pillar is to be erected in the middle of the base, one of the other locking holes arranged on the left and right of the locking hole into which the connecting rod is inserted is Books to 2
This is because the locking hole to be surely inserted corresponds even when the anchor bolt of the book is inserted.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the hole-down fitting of the present invention will be described below. As shown in FIG. 1, the hole-down fitting of the present embodiment has a seat plate 1 in which locking holes 3 penetrating vertically are arranged at five locations in a row along the longitudinal direction of a base 4 with intervals. , The second locking hole 3 from the left of the seat plate 1
From the connecting rod 2 which is inserted into and is fitted to the bottom side of the pillar 5 and which is provided with the flange portion 11 at the lower end side, and the drift pin 9 for fixing the connecting rod 2 inserted into the pillar 5 to the pillar 5. Has become.

Next, each component of the hole-down fitting will be described in detail below. First, the seat plate 1 is as shown in FIG.
A rectangular metal plate having a thickness of about 20 mm is used. The metal plate has locking holes 3 penetrating in the thickness direction of the metal plate along a straight line along the longitudinal direction of the metal plate. It is arranged at 5 locations at equal intervals. Further, each locking hole 3 has a ring-shaped flange receiving recess 12 along the outer peripheral portion of the locking hole 3, and the locking hole 3 on the left side of the seat plate 1 in the figure.
From the top to the bottom, the front side and the back side are alternately provided. By this, the corresponding range of the insertion position of the connecting rod 2 to the pillar 5 is further expanded. Further, the seat plate 1 is provided with a large number of through holes 13 and kerfs 17 intersecting at a plurality of locations, and in the concrete forming the foundation 4 by the disposition of the respective through holes 13 and the kerfs 17. Drainage of water that oozes out between the base 4 and the seat plate 1 due to the capillary action of
Since the material required for manufacturing the hole-down fitting is reduced, the manufacturing cost is reduced. The cut groove 17 is also used as a mark for aligning the installation direction when the main seat plate 1 is installed on the foundation 4.

As shown in FIG. 3, the connecting rod 2 is provided with a flange 11 radially extending from the peripheral wall at the lower end of a long metal rod, and the peripheral wall of the rod has the same circular shape. A pair of pin holes 8, 8 penetrating through the circumference at 180 ° intervals are provided. Further, even at a position different in height position from each of the pin holes 8 and 8 of the connecting rod 2, a pair of pin holes 8 and 8 are formed at positions which are moved 90 ° from the pin holes 8 and 8 and the peripheral wall. A total of five places are provided above and below the connecting rod 2 and will be described with reference to FIG. 1 again. When the connecting rod 2 is inserted into the pillar 5, the pin side pin holes 16 and 16 provided on the pillar 5 side are provided. It is possible to insert the drift pin 9 at the stage where the respective pin holes 8 and 8 on the side of the connecting rod 2 are aligned, and the inserted drift pin 9 is fitted into the pin holes 8 and 8 of the connecting rod 2 so as not to slip out. Finally, the pillar 5 is supported and fixed by the connecting rod 2. When the pin holes 8 and 8 of the connecting rod 2 are aligned with the pin side pin holes 16 and 16 of the pillar 5, the flange receiving recess 1
The collar portion 11 of the connecting rod 2 slides inside the connecting rod 2, and the connecting rod 2 is axially rotated to adjust the position of each hole. In addition, the flange 11 of the connecting rod 2 and the flange receiving recess 12 are spaced apart by 45 °,
Alternatively, the male and female parts 18 and 19 are arranged at 90 ° intervals and 180 ° intervals.
By providing, the pin rods 8 and 16 of the connecting rod 2 and the pillar 5 can be more easily positioned.

Regarding the combination of any one of the locking holes 3 of the seat plate 1 and the connecting rod 2, the hole of the locking hole 3 into which the connecting rod 2 is inserted depends on the position of the pillar 5 on the base 6. Respond by changing the position. Explaining with an example, first, in the case of raising the pillar 5 at the standing position R of the corner of the base 6, as shown in FIG. 1, among the locking holes 3 provided in the seat plate 1, The connecting rod 2 is inserted into the second locking hole 3 from the left based on the drawing, and the collar portion 11 of the connecting rod 2 is inserted into each of the adjacent locking holes 3 and 3 through which the connecting rod 2 is inserted.
A ring-shaped adjust washer 10, 10 is provided with a collar having a shape corresponding to that on the outer peripheral portion, and a thread groove is formed on the inner peripheral portion of the long hole. By fitting the upper ends of the anchor bolts 7 into the adjustment receiving washers 10 and 10 below the locking holes 3 and fitting the flanges into the flange receiving recesses 12 and screwing the adjusting washers 10 by turning them. The pillar 5 is firmly fixed to the top surface side of the base 6.

Further, when the pillar 5 is to be erected at the standing position S of the foundation 4 in the longitudinal direction, as shown in FIG.
Is the third hole 3 of the 5 locking holes 3 on the seat plate 1.
Through the locking hole 3 arranged in the
In the other locking holes 3 and 3 arranged on both sides of the locking hole 3 through which the insert is inserted, the adjust washers 10 and 10 are respectively fitted, and further, the anchor bolts projecting upward on the top surface of the base 4. By screwing the upper end portions of 7, 7 together, the base 4 and the base 6 are firmly connected with the seat plate 1 sandwiched therebetween, and the pillars 5 are firmly supported on the base 4 by the connecting rods 2. Is fixed.

Further, as shown in FIG. 5, the pillar 5 is directly placed on the top surface side of the seat plate 1 in a standing state, and the connecting rod 2 is inserted into the locking hole 3 on the bottom surface side of the pillar 5. It is a combination of columns 5. In the case of the above-described embodiment, a connecting fitting 14 for connecting the side portion of the pillar 5 and the end surface L of the base 6 is provided, and a structure for fixing the foundation 4, the base 6, and the pillar 5 respectively. Has become.

[0018]

According to the invention described in claim 1 of the present invention, since the seat plate and the connecting rod are divided, the pillar and the connecting rod can be quickly and easily connected by the fixing pin, and the construction can be achieved. It can be expected that work efficiency and cost reduction will be drastically reduced.

According to the second aspect of the present invention, a set of hole-down metal fittings can be used to cope with all situations where the pillar is erected, regardless of where the pillar is connected to the base. , The number of hole-down metal fittings used during construction is drastically reduced, which enables significant cost reduction.

Further, since the seat plate acts as a foundation packing by interposing between the base and the foundation, and a gap is formed by this, the ventilation port can be easily installed in the building without any special work. Is provided.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing an example of use of a hole-down fitting of the present invention.

2A and 2B are a plan view and a cross-sectional view taken along the line AA of a seat plate, which is a constituent member of the hole-down fitting of the present invention.

3 (a) and (b) FIG. 3 (a) is a side view showing a connecting rod which is a constituent member of the hole-down fitting of the present invention. 3B is a sectional view taken along line BB of FIG.

FIG. 4 is a vertical cross-sectional view showing another example of use of the hole-down fitting of the present invention.

FIG. 5 is a vertical sectional view showing another example of use of the hole-down fitting of the present invention.

[Explanation of symbols]

1 seat plate 2 connecting rod 3 locking holes 4 basics 5 pillars 6 foundation 7 Anchor bolt 9 Drift pin (fixed pin) R standing location (corner) S standing location (middle)

Claims (2)

[Claims] 1. A hole down fitting for connecting a pillar (5), a base (6) and a foundation (4), wherein a seat plate (1) is provided between the base (6) and the foundation (4). ) Is provided on the seat plate (1), and the connecting rod is fitted to the lower end surfaces of the pillar (5) and the base (6) and the fitting portion is fixed to the pillar (5) by a fixing pin (9). (2) and anchor bolts (7) fixed to the foundation (4) are provided with respective locking holes (3) for inserting in a non-removable manner. . 2. The locking holes (3) are arranged at least at three or more locations along the longitudinal direction of the foundation (4) of the seat plate (1). Hole down metal fittings.