JPH061931Y2 - Architectural fittings - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a joint for construction used when tightly connecting a cross bar such as a beam or a kamoi to a vertical bar such as a pillar.

[Prior Art] Conventionally, a building joint shown in Fig. 4 is well known as this type. This building joint is a flat plate part 2 attached to a cross bar 1.
An arrow-shaped claw piece 3 is provided on one side of the flat plate portion 2, that is, a vertical tree 4 side, and a mounting seat 5 projecting upward in a triangular shape is formed by folding back, and the mounting seat 5 has the vertical direction. A horizontal hole 7 of a bolt 6 to be screwed into the tree 4 is formed, and after fixing the flat plate portion 2 to the horizontal bar 1 by the claw piece 3, the bolt 6 is passed through the horizontal hole 7 and screwed into the vertical bar 4. Therefore, the horizontal bar 1 and the vertical bar 4 are tightly connected.

[Problems to be Solved by the Invention] In the prior art, the bolt 6 is screwed into the vertical bar 4 after the flat plate portion 2 is fixed to the horizontal bar 1 by the claw piece 3, but when tightening the bolt 6. There is a problem that a counterclockwise moment is applied to the mounting seat 5, and the other end of the flat plate portion 2 is lifted by the moment to weaken the tight binding. This is because the fixing force between the flat plate portion 2 and the crossbar 1 is weak.

The present invention has been made based on the above problems, and an object of the present invention is to provide a construction joint capable of increasing the fixing force between the flat plate portion and the cross bar.

[Means for Solving the Problem] In the present invention, a claw piece that is fixed to a cross member such as a beam, a girder, or a kamoi is provided on a flat plate portion, and is bent upward in a triangular shape on one side in the longitudinal direction of the flat plate portion to project. In the construction joint in which the mounting seats are continuously provided, and the horizontal holes for bolts that are screwed into the vertical bars such as columns are formed in the mounting seats, the vertical holes for the bolts that are formed in the flat plate portion and are screwed into the horizontal bars, and A pair of first long claw pieces formed on both sides of the front end of the mounting seat so as to project downward in the same direction as the front end, and inner edges in the width direction of the mounting seat are arced outwardly; A first retaining notch formed in an upper portion of an outer edge of the first long claw piece with respect to the width direction of the seat, and a center of a tip of the mounting seat, which is protruded downward in the same direction as the tip. The first short claw piece and the other side of the flat plate portion projecting downwardly, respectively, and are opposed to each other in the width direction of the flat plate portion. And a pair of second long claw pieces whose inner edges are formed so as to form an arc in the outer direction, and a second long claw pieces formed on the outer edges of the second long claw pieces in the width direction of the flat plate portion. It is provided with a retaining notch and a second short claw piece provided at the center of the other side of the flat plate portion and protruding downward.

[Operation] The flat plate portion is fixed to the cross bar by the first and second long claw pieces and the first and second short claw pieces, and the flat plate portion is also fixed to the cross bar by bolts passing through the vertical holes. Then, the bolts that pass through the horizontal holes fix the vertical bar to the vertical bar, and the vertical bar and the horizontal bar are tightly connected. Further, the long claw pieces can further improve the tightening force, and the center of the flat portion in the width direction is the width of the horizontal bar. When setting so as to align with the center of the direction, the first and second short claw pieces are respectively provided at the center of the tip of the mounting seat and the center of the other side of the flat plate portion, so that the first and second short claw pieces are provided at the center of the cross bar. And the second
Can be set accurately just by matching the short nail pieces.

[Embodiment] Next, an embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 1 to FIG. 3 show an embodiment, 11 is a joint for construction in which a steel plate is punched and bent, and the joint 11 for construction is a flat plate portion 12 and the length of the flat plate portion 12. A mounting seat 13 which is folded back upward in a triangular shape is formed on one side in the direction, and a lateral hole 14 is formed in the approximate center of the mounting seat 13. At the tip of the mounting seat 13, the mounting seat 13
A first long claw piece 15 and a first short claw piece 16 are formed obliquely downward so as to be in the same direction as the tip of the. The first long claw pieces 15 are continuously provided on both sides of the tip of the mounting seat 13, and the first long claw pieces 15 are arranged in the width direction of the mounting seat 13.
The inner edge 15A formed on the inner side of the long claw piece 15 is formed by cutting an arc in the outer direction. Further, the mounting seat 1
In the upper part of the outer edge 15B arranged on the outer side of the first long claw piece 15 in the width direction of FIG.
7 are formed. The first short claw piece 16 is formed at the center of the tip of the mounting seat 13.

Reference numeral 18 is a vertical hole formed near the other side from the substantial center of the flat plate portion 12, and has a horizontal bar 19 into which the bolt 20 is screwed. Further, reference numerals 21 and 22 are a second long claw piece and a second short claw piece, which are continuously provided at the other end of the flat plate portion 12 downward. The second long claw pieces 21 are provided on both sides of the other end of the flat plate portion 12,
The second long claw piece 2 in the width direction of the flat plate portion 12
An inner edge 21A formed on the inner side of 1 is formed by arcing outward. Further, a second retaining notch 23 is formed in the upper portion of the outer edge 21B arranged outside the second long claw piece 21 in the width direction of the mounting seat 12. The second short claw piece 22 is formed at the center of the other end of the flat plate portion 12.

Next, the operation of the above configuration will be described with reference to FIG. First, the joint 11 for construction is placed near the end of the cross bar 19 to perform alignment. When setting so that the center in the width direction of the flat plate portion 12 is aligned with the center in the width direction of the cross bar 19, the first and second portions are provided at the center of the tip of the mounting seat 13 and the center of the other side of the flat plate portion 12, respectively. The short claw pieces 16 and 22 can be set accurately by aligning them with the center of the crosspiece 19.
Next, when driven by a hammer or the like, the first and second long claw pieces 15 and 21 and the first and second short claw pieces 16 and 22 bite into the crosspiece 19, and then into the vertical hole 18 to the crosspiece bolt 20.
The bolt 20 for the cross bar is screwed into the cross bar 19 and fixed. After fixing the joint 11 for construction to the horizontal bar 19 in this manner, the vertical bar bolt 24 is passed through the horizontal hole 14 and the vertical bar 25 is inserted.
Tighten and fix. At this time, counterclockwise torque is generated in the mounting seat 13 by tightening the vertical wood bolts 24, but the flat plate portion 12 has the first long and short claw pieces 21,
Not only 22, but the other end of the flat plate portion 12 does not float up due to the torque because it is fixed to the cross bar 19 by the cross bar bolt 20 that passes through the cross hole 18, and when the joint is driven in, the other side The first long claw piece 15 whose inner edge 15A has an arc and protrudes downward is driven so as to be pushed outward. Therefore, after the driving, the force for returning to the original remains in the first long nail piece 15,
As a result, the first long claw piece 15 can be fixed to the wood by a strong pressure contact force. Moreover, since the first retaining tab notch 17 is formed in the upper part of the outer edge 15B of the first long claw piece 15, the upper part of the first long claw piece 15 has a narrow width. Therefore, at the time of the driving, the first long claw piece 15 is driven so as to be pushed outward so that a stronger pressure contact force can be obtained.

As shown in FIG. 3, the building joints 11 are fixed to the crossbars 19 provided on both sides of the vertical bar 25, and the screw rods 26 are passed through the lateral holes 14 of these building joints 11 and the nuts 27 are tightened. Both may be tightened and connected.

As described above, by folding back upward in a triangular shape on one side in the longitudinal direction of the flat plate portion 12 to project the mounting seat 13, and by providing the flat plate portion 12 with the lateral hole 14 through which the vertical tree bolt 24 passes. It is possible to increase the fixing force between the flat plate portion 12 and the cross bar 19, prevent the flat plate portion 12 from rising, and to firmly connect the cross bar 19 and the vertical bar 25.

Further, by forming the first and second retaining notches 17 and 23 on the side edges of the first and second long claw pieces 15 and 21, the long claw pieces 15 and 21 are attached to the cross bar 19. When driven in, the notches 17 and 23 make the crossbar bolt 2
Since it can act as a retainer together with 0, the flat plate portion 12
And the cross bar 19 can be firmly fixed.

Further, since the first and second short claw pieces 16 and 22 are provided at the center of the tip of the mounting seat 13 and the center of the other side of the flat plate portion 12, respectively, the first and second short claw pieces 16 and 22 are provided at the center of the crosspiece 19. The construction joint 11 can be accurately set at the center of the crossbar 19 simply by combining the short claw pieces 16 and 22.

Incidentally, the present invention is not limited to the above-described embodiment, and for example, two or more vertical holes are formed in the flat plate portion, two or more horizontal holes are formed in the mounting seat, and various bolts are used as wood screws. Can be modified.

[Effects of the Invention] The present invention provides a plate with a claw piece fixed to a cross member such as a beam, a girder, and a lintel, and a mounting seat projecting upward in a triangular shape on one side in the longitudinal direction of the plate. In a constructional joint in which horizontal holes for bolts, which are continuously provided and are screwed into vertical bars such as columns, are formed in the mounting seat, vertical holes for bolts formed in the flat plate portion and screwed into the horizontal bars, and the tip of the mounting seat. A pair of first long claw pieces which are formed on both sides so as to project downward in the same direction as the tips and whose inner edges in the width direction of the mounting seat are arced outwardly; and the width direction of the mounting seat. A first retaining notch formed in the upper portion of the outer edge of the first long claw piece with respect to the first short piece, and a first short provided at the center of the tip of the mounting seat and protruding downward in the same direction as the tip. The claw piece and the other side of the flat plate portion project downwardly, and the inner edge of the flat plate portion is outside in the width direction. A pair of second long claw pieces formed by cutting an arc in a lateral direction, and a second retaining member formed on an upper portion of an outer edge of the second long claw piece in the width direction of the flat plate portion. Since the notch portion and the second short claw piece provided at the center of the other side of the flat plate portion and projecting downward are provided, the flat plate portion and the cross bar can be firmly connected by the bolt for the cross bar, and thus the vertical length can be increased. Even if the wooden bolts are tightened, the flat plate portion does not float up, the horizontal bar and the vertical bar can be firmly connected, and the first and second pull-outs are provided on the outer edges of the first and second long claw pieces. Since the notches for stopping are formed, the upper portions of the first and second long claw pieces have a narrow width, and therefore the first and second long claw pieces are extruded to the outside during the driving. Since it is driven like this, a stronger pressure contact force can be obtained. Moreover, the first and second short claw pieces are provided at the center of the tip of the mounting seat and the center of the other side of the flat plate portion, respectively, so that the widthwise center of the flat plate portion is aligned with the widthwise center of the crossbar. In doing so, it is possible to accurately set the first and second short claw pieces by simply aligning them with the center of the crossbar.

[Brief description of drawings]

1 to 3 show an embodiment of the present invention. FIG. 1 is a perspective view, FIG. 2 is a cross-sectional view when one-sided fastening, FIG. 3 is a cross-sectional view when both-sided fastening, and FIG. The figure is a perspective view of a conventional example. DESCRIPTION OF SYMBOLS 11 ... Joint for construction, 12 ... Flat plate part 13 ... Mounting seat, 14 ... Side hole 15 ... 1st long nail piece, 15A ... Inner edge 15B ... Outer edge, 16 ... 1st short nail piece 17 ... 1st omission Notch for stop 18 ... Vertical hole, 19 ... Horizontal bar 20 ... Bolt for horizontal bar, 21 ... Long claw piece 21A ... Inner edge, 21B ... Outer edge 22 ... Second short claw piece 23 ... Second retainer notch 24 … Vertical bolts, 25… Vertical

Claims (1)

[Scope of utility model registration request] 1. A flat plate portion is provided with a claw piece that is fixed to a cross member such as a beam, girder, or kamoi, and a mounting seat is provided on one side in the longitudinal direction of the flat plate portion, the mounting seat protruding upward by being folded in a triangular shape. In a construction joint in which a horizontal hole for a bolt that is screwed into a vertical bar such as a pillar is formed in the mounting seat, a vertical hole for a bolt that is formed in the flat plate portion and that is screwed into the horizontal bar, and the tip on both ends of the mounting seat. And a pair of first long claw pieces that are formed so as to project downward in the same direction as the inner edge of the mounting seat in the width direction and form an arc in the outer direction, and a first long claw piece in the width direction of the mounting seat. A first retaining notch formed in the upper part of the outer edge of the long pawl piece, and a first short pawl piece provided at the center of the tip of the mounting seat and projecting downward in the same direction as the tip. The flat plate portion protrudes downward on both sides of the flat plate portion, and the inner edge of the flat plate portion has an arc outward in the width direction. A pair of second long claw pieces formed by striking, a second retaining notch formed in an upper portion of an outer edge of the second long claw piece in the width direction of the flat plate portion, and the flat plate portion. And a second short claw piece that is provided at the center of the other side and projects downward.