JPH0941485A - Wooden frame joint hardware - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent deformation at the time of an earthquake or the like by forming a protrusion protruded from a contact part of a metallic joint so as to bite into ore framework member. SOLUTION: The outer face of a contact part 6 of a metallic joint 5 is brought into contact with the side face of a column 1, and the bolt hole of the column 1 and the bolt hole of the metallic joint 5 are made coincide with each other for positioning. A bolt 21 is inserted in the bolt hole of the metallic joint 5 and fastened hard to make a protrusion 19 of the metallic joint 5 bite into the side face of the column 1, thus fixing the metallic joint 5 to the column 1. An insert part 9 of the metallic joint 5 is inserted in a slit 3 of a beam 2, and a bolt 26 fitted to the beam 2 is dropped into cutout parts 14 of the insert part 9. A drift pin 25 is driven into a pin insert hole 24 of the beam 2 and a pin insert hole 13 of the insert part 9, and a bolt 27 is inserted in a pin insert hole 22 of the beam 2 and a pin insert hole 12 of the insert part 9 to joint the beam 2 to the column 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal fitting for joining a frame member in a wooden frame.

[0002]

2. Description of the Related Art Conventionally, as a metal fitting for a wooden frame for joining a column and a beam, a metal sheet is bent and the abutting portion of the metal article is abutted on the side surface of the column and fixed with bolts. , Insert the pair of insertion parts into the slits formed on the end face of the beam,
It is considered to fix it with bolts or pins (see Japanese Patent Laid-Open No. 59-217850).

[0003]

In the above-mentioned conventional metal fitting, since the insertion portion of the metal fitting is inserted into a slit or the like at the end of a beam or the like and fixed by a bolt or the like, the metal fitting is not significantly conspicuous. Moreover, there is an advantage that the joining work is easy. However, the abutting part of the metal object is only fixed to the column by bolts, so the initial deformation occurs within the clearance range during an earthquake or the like due to the clearance between these parts and the bolt insertion holes. There's a problem.

An object of the present invention is to solve the above-mentioned conventional drawbacks and to provide a metal fitting for joining which does not deform between the metal fitting and the pillar member in the event of an earthquake or the like. is there.

[0005]

In order to solve the above-mentioned problems, according to the present invention, an abutting portion fixed by abutting on a side surface of one shaft assembly such as a pillar and a direction perpendicular to the abutting portion. And a contact member that is inserted into the slit of the other frame assembly and is fixed by a fixing member such as a bolt inserted from the side surface of the frame assembly. It is characterized in that a projection is formed so as to further project and bite into the one of the frame members.

Further, in the above, according to the present invention, there is provided the one characterized in that a horizontal bottom portion is formed continuously with the lower end of the insertion portion.

According to the invention of claim 3 of this application, the projection is continuously connected to the insertion portion and has a triangular projection when viewed from the side, and the projection is continuously connected to the bottom and has a triangular projection when viewed from a plane. It is characterized in that it is composed of one piece and both of these projecting pieces are connected to each other.

[0008]

As described above, since the metal piece is formed with the projection that bites into one of the frame members, the metal piece is fixed in the state of being reliably positioned between the frame member and the metal piece. It is possible to prevent initial deformation such as during an earthquake.
Moreover, since the bottom part for mounting the other frame member is provided on the metal object, it is possible to prevent the other frame member from falling downward with respect to the metal object in case of an earthquake or the like.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, (1) is a column which is one of the frame members of the present invention, and (2) is a beam which is the other frame member joined to the side surface of the column (1). There are slits (3) (3) with a certain depth on the joint end face of the beam (2).
It is formed so as to penetrate vertically above (2). Further, the tip between the slits (3) and (3) is cut off to form a groove (4) at the center of the tip of the beam (2).

(5) shows the metal joint of the present invention. (6) is an abutting part made of a metal plate that abuts on the side surface of the pillar (1), and the abutting part (6) has a certain interval in the vertical direction as shown in FIG. Upper side 4 formed with
.. and four lower bolt holes (8), (8), ... Also formed at regular intervals. Both ends in the left-right direction of the contact portion (6) are bent at right angles when viewed from a plane, and the insertion portions (9) (9) of the present invention are formed.
Further, the lower ends of these insertion portions (9) and (9) are both bent inward in the horizontal portion to form bottom portions (10) and (10). There is a gap (15) between the opposite ends of these bottoms (10) (10), and these bottoms (10) (10) on the side opposite to the contact part (6)
The tip portion is welded (16) so as to fill the gap (15) and is integrally connected.

A pair of bolt holes (11) and (12) are formed near the upper end and the lower end of the insertion portion (9) (9), and the insertion portion (9) (9) is located below and below the upper bolt hole (11). Pin insertion holes (13) and (13) are formed on the sides of the bolt hole (12). Bolt holes (1
1) is opened to the upper end side by a V-shaped notch (14) cut out from the upper end of the insertion portion (9), whereby a bolt can be dropped from above and inserted.

On the other hand, at the end portion of the lower end portion of the insertion portion (9) on the side of the abutting portion (6), a triangular protruding piece (1
7) has been formed. On the other hand, the projecting piece (17), which is continuous with the projecting piece (17), has a triangular shape at the end of the bottom part (10) when seen in a plan view.
(18) are formed, and the projections (1
9) is formed.

Explaining the method of joining the pillar (1) and the beam (2) using the above metal fitting (5), first, the outer surface of the abutting portion (6) of the metal fitting (5) is attached to the pillar (1). Abut on the side face, align the bolt hole (20) of the pillar (1) with the bolt hole (7) (8) of the metal object (5) and position them, and in this state, fix the bolt (21) to those bolts. hole
(7) (8) (21) is inserted so as to penetrate, and this hardware (5)
To the pillar (1). Normally, the hardware (5) is carried in to the site in a fixed state in advance, but it may be attached at the site. Although not shown, when the beam (2) is joined also to the side surface on the opposite side of this metal object (5), the same metal object (5) is arranged symmetrically with the same metal object (5) and the same. Bolt (2
Fix together with 1). In addition, the beam (2)
, The bolt holes (7) of the abutting part (6) are joined together.
The positions of (8) are displaced from each other, for example, in one direction, among the four bolt holes (7) (7) on the upper side, the bolt holes (7) on the uppermost stage and the third stage and the lower bolt holes (7) (8) Use the bolt holes (8) in the uppermost and third steps of (8) ... And connect them in a cross shape using the remaining four bolt holes in a direction perpendicular to the bolt holes. By tightly tightening the bolt (21), the protrusion (19) bites into the side surface of the column (1) and is reliably positioned.

Next, the beam (2) is cut into its slits (3) (3).
Then, the insertion portions (9) and (9) are attached so as to be inserted. At this time, among the bolt holes (22) (23) on the side of the pair of beams (2) formed so as to correspond to these insertion portions (9) (9), the bolt holes (22) on the upper side are Has a bolt (26) attached beforehand, and from the cutout (14), this bolt (23)
The bolts (2
3) automatically fits into the bolt hole (21), which allows the beam (2) to be positioned. At this time,
The lower surface of the beam (2) is formed so as to be placed on the upper surfaces of the bottom portions (10) and (10). In this state, the pin insertion holes (24) (24) formed in the beam (2) and the pin insertion holes (13) (13) of the insertion portion (9)
Are aligned with each other, and while driving the drift pin (25) into the pin insertion holes (24) (13) from the side surface of the beam (2), bolts (26) to the remaining bolt holes (12) (23). ) Is inserted and tightened, this beam (2) is fixed to the hardware (5),
The beams (2) and columns (1) will be joined to each other.

[0015]

As described above, according to the present invention, one of the pillars or the like is provided with the projection that bites into the frame member because it is formed on the side surface of the metal object that is fixed by contacting the frame member. Even if there is a clearance in the hole portion such as a bolt for fixing the metal object, since the protrusion portion holds the metal piece in a surely positioned state, it is possible to prevent initial deformation in the event of an earthquake or the like. Further, since the frame member such as the beam is supported by the bottom of the metal object, it is possible to prevent the frame member from being moved downward by this bottom even when an earthquake or the like occurs. This also has the effect of preventing initial deformation.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a joint portion between a column and a beam, showing an embodiment of the present invention.

FIG. 2 is a perspective view of a main part of the metal joint of the present invention.

FIG. 3 is a longitudinal cross-sectional view of a main part of a joining portion using the joining metal article of the present invention.

[Explanation of symbols]

 (1) Column (2) Beam (3) Slit (5) Joining hardware (6) Abutting part (9) Inserting part (10) Bottom part (17) Projecting piece (18) Projecting piece (19) Projection

Claims (3)

[Claims] 1. An abutment portion abutting and fixed to a side surface of one shaft assembly such as a pillar, and an insertion portion protruding in a direction perpendicular to the abutment portion, the insertion portion being the other shaft. A metal fitting that is inserted into the slit of the assembly and fixed by a fixing member such as a bolt inserted from the side surface of the assembly, and has a protrusion that protrudes from the abutting portion and bites into the one assembly. A wooden frame joint metal fitting characterized by being formed. 2. The metal fitting for a wooden frame assembly according to claim 1, wherein a horizontal bottom is formed so as to be connected to the lower end of the insertion portion. 3. The protrusion is composed of a projection piece which is connected to the insertion portion and has a triangular shape when viewed from a side surface, and a projection piece which is connected to the bottom portion and has a triangular shape when viewed from a plane. 3. The wooden frame joint metal fitting according to claim 2, wherein the pieces are connected to each other.