JPH10331262A - Connection metal tool for column and beam, and connection method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To securely connect a column and a beam and increase the strength of the rigid structure, by applying an adhesive on a pair of side plates of a connection metal tool fixed to a beam and insert them into grooves formed in a column and fastening them with bolts to fix them. SOLUTION: A metallic plate is bent and notches 34 having guide slopes 35 at the upper end of a pair of side plates 33 provided with horizontal ridge-shaped projections 37 are formed and joints 31 are formed at the rear part, in this connection metal tool 30. The joints 31 are inserted in the holes 11 of a beam 10 and the connection metal tool 30 and the beam 10 are combined by a drift pin D1 and fixed by bolts. Grooves 21 are formed in the column 20 and a drift pin D2 is inserted in a hole 221 and the side plates 33 of the connection metal tool 30 fixed to the beam 10 are inserted in the grooves 21 of the column 20. And the drift pin D2 is arranged to contact the guide slope 35 and positioned at the bottom of the notches 34. A bolt D3 is inserted in the hole 222 of the column 20 and fastened to connect the beam 10 and the column 20. Accordingly, the horizontal ridge-shaped projections 37 prevent an adhesive from dripping down to firmly connect the beam 10 and the column 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for joining hardware, columns, and the like used for joining columns, beams, and the like of a wooden building, and more particularly, to joining columns, beams, and the like in a rigid frame structure of a wooden building. The present invention relates to a method for joining hardware, columns, and the like used in the present invention.

[0002]

2. Description of the Related Art Conventionally, when a column or a beam is in contact with a rigid frame structure of a wooden building, for example, as shown in FIG.
In order to join the beam b to the column a fitting metal c is previously fitted to the column a by a known method. Then, a metal fitting c is inserted into a pair of parallel grooves b1 'formed in the column b, and a pair of grooves b2' formed in the column b and a drift pin d is inserted into a hole c 'formed in the metal c.
A method of inserting and fixing the same has been implemented.

[0003]

However, the above-mentioned method minimizes the loss of the cross section by using the metal fitting c when drilling a hole in a column or a beam in the frame structure to perform a frame assembly. However, since the joint between the hardware and the wood is not enough, the drying may cause the looseness and vibration of the bolts and bolts due to the drying of the wood. Was dissatisfied.

The inventor conceived that the bonding metal c fitted on the pillar a was preliminarily coated with an adhesive and inserted into the groove b1 'of the beam b. The agent was dropped, and the adhesive did not spread in the groove, so that it was impossible to realize it.

SUMMARY OF THE INVENTION An object of the present invention is to provide a metal joint for further strengthening the rigid frame structure by ensuring the joint of a column and a beam in a wooden building in order to solve the above problems. I do.

[0006]

SUMMARY OF THE INVENTION In order to achieve the object of the present invention, a metal joint such as a column and a beam according to the present invention uses a bridge portion having a hole for a drift pin or a bolt as a means for forming the same. Similarly, a plate having a pair of side plates having holes for drift pins or bolts is punched out, and the pair of side plates are bent from the bridge portion so as to face each other, and the pair of side plates drift to opposite positions. The gist has a notch for pin guide, and each side plate is provided with ridge-shaped projections formed by pressing both sides.

[0007] Further, the joint hardware such as a column beam according to the present invention includes:
It is preferable that the holes for the drift pins or the bolts of the pair of side plates are exclusively used for inserting bolts.

In order to achieve the above object, a method for joining columns and beams according to the present invention is a method for joining columns and beams in a rigid frame structure of a wooden building. Similarly, a plate having a pair of side plates having holes for drift pins or bolts is punched from a plate through a bridge portion having holes for drift pins or bolts, and the pair of side plates is separated from the bridge portion so as to face each other. Bend, the pair of side plates have drift pin guide notches at opposing positions, and each side plate is provided with ridges formed by pressing on both sides, and glued to appropriate places on the ridges The gist of the present invention is to apply an agent in the form of dots, form parallel grooves corresponding to the pair of side plates in columns, and insert and fix the side plates.

It is preferable that a bolt is inserted into the hole for the drift pin or the bolt of the pair of side plates, and the column and the joining hardware are fastened and fixed with a nut.

BEST MODE FOR CARRYING OUT THE INVENTION

As shown in FIG. 1, a metal fitting 30 is provided for connecting a pillar 20 to a beam 10 in a rigid frame structure of a wooden building. The hardware 30 is attached to the beam 10.
The hole 11 for receiving the connection 31 described later is formed in two places, while the pillar 20 has a pair of grooves 2 for receiving the hardware.
1 is formed.

The metal piece 30 is formed of a pair of side plates 3 having a hole 36 for a drift pin through a pair of bridge portions 31 having a hole 32 for a drift pin from a single metal plate.
The plate with 3 is punched. Then, the plate is bent from the bridge portion 31 and the bridge portion 31 is bent.
While forming a connection, the side plates oppose each other to form a beam box as a whole.

Each side plate is formed with two vertically aligned bolt holes 36 and a notch 34 having a guide slope 35 above the bolt holes 36. The pillar 20 has a drift pin hole 221 at a position corresponding to the drift pin hole 36 and the notch 34, and a bolt hole 222 at two locations below the drift pin hole 221.

As shown in FIGS. 1 and 2, each side plate is formed with six ridge-shaped projections 37 which are pressed on the front and back surfaces and extend in the horizontal direction.

The hardware 3 is inserted into the hole 11 of the beam 10.
Then, the column 10 and the hardware 30 are combined with the drift pin D1. Further, the metal fitting 30 is fixed to the beam 10 using a bolt (not shown).

In this state, one drift pin D2 is inserted into the uppermost drift pin 22 of the drift pin holes 22 of the pillar 20. Next, FIGS. 2 and 3
As shown in (A), the adhesive A is applied in a dot-like manner to an appropriate place on each ridge-shaped projection 37. Then, while inserting the pair of side plates 33 of the metal fitting 30 into the pair of girders 21 of the column 20, respectively, the pair of side plates 33 is already inserted using the guide slopes 35 of the notches 34, and the drift pin D2 is guided to the bottom of the notches The drift pin D2 is brought into contact with and positioned.

Then, bolts D3 are inserted into the remaining two holes 22 of the column 20, respectively, and the two holes 36 of the hardware 30 are searched and screwed in, and tightened with nuts (not shown).
Is fixed to the hardware 30.

In the above embodiment, the beam 10 and the column 20 are joined by the metal hardware 30, but the present invention is not limited to this, and any combination of the beam and the column, the beam and the beam, or the beam and the base can be joined. .

【The invention's effect】

As described above, each side plate of the joint metal such as the column and beam of the present invention is provided with ridge-like projections formed by pressing on both sides, so that it can be inserted and fixed in holes or grooves formed in columns and beams. The ridge-shaped protrusions bite into the wood and increase the frictional force between the pillars and beams. As a result, when this metal joint is used for a rigid frame structure of a wooden building, the joints of columns and the like are strengthened, and the strength of the entire rigid frame structure is dramatically improved. For this reason, the prefabrication or unitization of the timber building becomes possible, and the work at the site can be minimized, so that the construction period can be significantly shortened and the cost can be reduced.

Further, the holes for the drift pins or the bolts of the pair of side plates are exclusively used for inserting bolts, so that the pillars and the metal fittings can be fixed together by using the holes together with the nuts. Can be performed more effectively.

According to a third aspect of the present invention, in the method for joining columns and beams of the present invention, an adhesive is applied onto a horizontal ridge-shaped projection formed on a side plate of a joining metal piece, and then inserted into the pillar. So
The horizontal ridge-shaped projections prevent the adhesive from dripping, so that not only the use of the adhesive which has been impossible up to now can be realized but also the uneven application of the adhesive.

According to a fourth aspect of the present invention, a bolt is exclusively inserted into the hole for the drift pin or the bolt of the pair of side plates, and the post and the joining hardware are fastened and fixed with a nut. Spreading in the groove, the bonding area of the adhesive was increased, the friction between the metal fittings and the wood and the bonding force by the adhesive were dramatically improved, and the reinforcement of the ramen structure became a reality.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a combination of a metal joint, a column, and a girder according to the present invention.

FIG. 2 is a longitudinal sectional view of the metal joint.

FIG. 3A is a side view of the metal joint, and FIG.
Is a plan view, and (C) is a front view.

FIG. 4 shows a conventional metal fitting for joining a column and a beam and a joining method using the metal fitting.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Beam 11 hole 20 pillar 21 groove 30 joining hardware 31 bridge part 32 hole 33 side number 34 notch 35 guide slope 37 ridge projection A adhesive

Claims (4)

[Claims] 1. A hole for a drift pin or bolt through a bridge portion having a hole for a drift pin or bolt from a single metal plate with metal used for joining columns and beams in a rigid frame structure of a wooden building. Punching a plate having a pair of side plates having a pair of side plates, and bending the pair of side plates from the bridge portion so as to face each other.The pair of side plates have drift pin guide notches at opposing positions, and each side plate has a notch. A metal joint, such as a column or beam, provided with horizontal ridge-shaped projections formed by pressing both sides. 2. The joint member as claimed in claim 1, wherein holes for the drift pins or bolts of the pair of side plates are exclusively used for bolt insertion. 3. A hole for a drift pin or a bolt, which is also used for joining columns and beams in a rigid frame structure of a wooden building through a bridge portion having a hole for a drift pin or a bolt from a single metal plate. Punching a plate having a pair of side plates having a pair of side plates, and bending the pair of side plates from the bridge portion so as to face each other.The pair of side plates have drift pin guide notches at opposing positions, and each side plate has a notch. A ridge-like projection formed by pressing on both sides is provided, an adhesive is applied in a dot-like manner at an appropriate position on the ridge-like projection, and a parallel groove corresponding to the pair of side plates is formed in a pillar to form the side plate. A method of joining pillars and beams, etc., characterized by inserting and fixing. 4. The column and beam according to claim 3, wherein a bolt is inserted into the hole for the drift pin or the bolt of the pair of side plates, and the column and the joining hardware are fastened and fixed with a nut. Joining method.