JPH08246558A - Fixing metal fitting of wooden structure - Google Patents

Abstract

PURPOSE: To prevent the idling of a fixing metal fitting attached at the time of coupling a pillar and a girder together. CONSTITUTION: The plane cross section of a fixing metal fitting 41 for fixing a pillar 1 and a girder 11 is put in the shape of a quadrangular box case. Holes 43, 43A, 44, and 44A are made at the top and bottom. Idling is prevented by setting the fixing metal fitting 41 into the square hole 2 of the pillar 2 and the square hole 12 of the girder 11. The alignment of the holes 43, 43A, 44, and 44A, and the holes 4, and 13 can be simplified.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal fixture for a wooden structure that connects columns and girders in a wooden structure.

[0002]

2. Description of the Related Art Conventionally, the same inventor has filed Japanese Patent Application No. 5-1769.
In No. 24, a frame structure composed of horizontal and vertical industrialized wood structural materials and the like is joined through a joining metal fitting, and a bearing wall incorporated into the frame structure,
The floor portion formed by laminating the framed material and partitioning the square floor is provided with a floor material at the upper ends of a plurality of joists, and a ceiling material is provided at a distance from the lower ends of the joists, and the side of the floor portion. It proposes a wooden building in which the opening portion is closed with the frame member.

By the way, a lower part is inserted into an upper surface of a pillar of a frame structure, and an upper part is inserted into a girder placed on the upper surface to connect the pillar and the girder. It is well known that holes are formed for inserting bolts and pins on the surfaces that are formed and face each other.

[0004]

In the prior art,
Since the flat cross-section is a round cylinder, when the lower part is inserted into the upper surface of the pillar, the fixing bracket rotates, and as a result, the hole cannot be positioned even if the bolt is inserted into the hole through the pillar or girder. There is a problem.

Therefore, an object of the present invention is to solve the above-mentioned problems and to provide a metal fixture for a wooden structure which can easily perform the positioning of holes.

[0006]

According to the present invention, a lower part is inserted into an upper surface of a column, an upper part is inserted into a girder placed on the upper surface, and connecting tools such as bolts and pins are inserted into upper and lower parts. A fixture for a wooden building, which has a hole and connects a column and a girder, is characterized in that a flat cross section is formed in a square shape.

[0007]

With the above construction, the fixing metal fittings do not rotate when the ends are inserted into the holes formed in the pillar and the girder, respectively, so that the fixing fittings can be installed at accurate positions.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. In the figure, 1 is a pillar, and 11 is a girder fixed to the upper surface of the pillar 1. Further, 21 is a large beam whose one end is fixed to one side surface of the upper portion of the pillar 1, and 31 is a small beam whose one end is fixed to the other side surface of the upper portion of the pillar 1.

Reference numeral 41 designates a steel construction metal fixture for fixing the pillar 1 and the girder 11. The construction metal fixture 41 has an elongated shape having a square cross section such as a square or a rectangular flat cross section. A pin 42 as a connecting tool and holes 43, 43A for inserting the bolt 42A are formed above and below the side surface 41A. On the other side surface 41B facing the side surface 41A, the hole is formed.
Holes 44 and 44A are formed so as to face 43 and 43A.

Reference numeral 51 denotes a steel construction metal fixture for connecting the pillar 1 and the girder 21, and the construction metal fixture 51 has a pair of left and right side plate portions 53 on a backing plate portion 52 that abuts on the pillar 1. Further, a bottom plate portion 54 is provided between the lower portions of the side plate portions 53 so as to be separated from the pad plate portion 52. Further, a bolt 42A and bolts 55, 55A, which are connecting members, are attached to the pad plate portion 52.
Alternatively, a hole 56 for inserting a pin is formed, and a hole 58 for inserting a pin 57 or a bolt, which is a connecting portion, is formed in the side plate portion 53.

Reference numeral 61 is a steel construction metal fixture for connecting the pillar 1 and the beam 31. The construction metal fixture 61 is a pair of left and right contact plates 62 for contacting the other side of the pillar 1. Side plate
63 is provided, and a bottom plate portion is provided between the lower portions of the side plate portions 63.
64 is provided separately from the pad plate portion 62. Further, the contact plate portion 62 is formed with holes 66 for inserting the bolts 42A, the bolts 55 or the pins, and the side plate portion 63 is formed with holes 68 for inserting the pins 67.

Further, the fixing fitting 41 is provided on the upper surface of the pillar 1.
Square hole 2 that fits and inserts the lower part of
The beam 11 is formed with a square hole 12 into which the upper portion of the fixing bracket 41 is fitted and inserted, and holes 13 are formed on both side surfaces. In addition, 4 is a hole formed in the pillar 1, and the hole 4 penetrates the square hole 2. Further, 5 is a hole which does not penetrate the square hole 2. Further, on the girder 21, a pair of left and right thin grooves 22 into which the side plate portions 53 are inserted are formed on the end surface,
The end surface 23 between these grooves 22 is formed to be recessed, and the bottom surface 24 is cut out so as to engage with the bottom plate portion 54 and is formed to have a shallow bottom. Reference numeral 25 is a hole provided in the girder 21 corresponding to the hole 58. Similarly, the beam 31 is
A pair of left and right thin grooves 32, into which the side plate portions 63 are inserted, are formed on the end faces, and the end faces 33 between these grooves 32 are formed to recede, and the bottom face 34 thereof is cut so as to engage with the bottom plate portion 64. It is lacking and formed in the shallow bottom. 35 is a hole.

In FIG. 4, 71 is a ceiling member fixed to the lower surface of the girder 21, and a heat insulating material 72 such as urethane is provided between the ceiling member 71 and the bottom plate portion 54 by filling or the like.

Next, the operation of the above structure will be described. Square holes 2, holes 4 and 5 are formed in the column 1 in advance, and square holes 12 and holes 13 are formed in the girder 11. Also, the large beam
A groove 22, an end surface 23, a bottom surface 24, and a hole 25 are formed in 21. Similarly, a groove 32, an end face 33, a bottom face 34, and a hole 35 are formed in the beam 31.

To fix the pillar 1 and the girder 11, first, the lower portion of the fixing metal fitting 41 is inserted into the square hole 2. At this time, the hole 4 and the holes 43A and 44
Install so that A faces each other. Next, the girder 11 is dropped from above and the square hole 12 is inserted into the upper part of the fixing metal fitting 41 to place the girder 11 on the upper surface of the column 1. And the holes 13 and the holes 43 and 44 have pins.
42 is driven in and connected. Further, a fixture 51 and a fixture 61 are connected to the upper portion of the pillar 1. The fixing brackets 51, 61
For mounting, the contact plate portion 52 is applied to the negative side surface of the pillar 1, the one contact plate portion 62 is applied to the other side surface of the pillar 1, and the bolt 42A is inserted from the uppermost hole 56 of the contact plate portion 52. This bolt 42A
Is to pass through the hole 4 and the holes 43A and 44A from the upper hole 56, and fix it with the nut 42B on the contact plate portion 62 side. The head of the bolt 42A is arranged in the cavity between the end surface 23 and the contact plate portion 52, and the nut 42B is arranged in the cavity between the end surface 33 and the contact plate portion 62. Therefore, the upper portion of the fixing metal fitting 41 is fixed to the girder 11 by the pin 42, while the lower portion of the fixing metal fitting 41 is fixed to the column 1 by the bolt 42A.

The bolt 55 in the middle stage passes through the hole 56 in the third stage from the uppermost stage, the hole 5 and the hole 66 in the lower stage, and is fixed by the nut 55B. The lower bolt 55A passes through the hole 5 in the fifth step from the uppermost step through the hole 5, and is fixed by the nut 55C. Then, the girder 21 is dropped from above so that the groove 22 is inserted into the side plate portion 53, and the girder 21 is abutted against the fixture 51, and the lower surface is placed on the bottom plate portion 54. After this, the pin 57 is driven through the holes 25 and 58. Similarly, the beam 31 is dropped so that the groove 32 is inserted into the side plate portion 63, the beam 31 is abutted against the fixture 61, and the lower surface is placed on the bottom plate portion 64. 35, driven into the hole 68 and connected. In this way, pillar 1
After 21 is fixed, a heat insulating material 72 is filled and a ceiling member 71 is provided as shown in FIG. In the case of the beam 31 as well, a heat insulating material (not shown) is similarly filled and a ceiling member (not shown) is provided.

Incidentally, FIG. 5 shows the fixing fittings 51, 51 orthogonal to the pillar 1.
It shows the case where A is fixed. In this case, in the fixing bracket 51, the uppermost stage, the third and fifth holes from the uppermost stage are shown.
The bolt 55D is passed through 56, while the bolt 55E is inserted into the second, fourth, and sixth holes 56A from the top in the fixing bracket 51A.
The bolts 55D and 55E are provided on the pillar 1 so as to intersect with each other by using the bolts 55D and 55E.

As described above, the pillar 1 is used in the above embodiment.
The rectangular cross section of the fixing metal fitting 41 for fixing the column 11 and the column 11 is made into a square tube shape, and is inserted into the column 1 and the column 2 formed in the column 11, respectively. Fixing bracket 41 in hole 12
Therefore, when the fixing metal fitting 41 is inserted and installed, a detent is provided. As a result, when the pin 42 is driven or the bolt 42A is inserted, the hole 13 and the holes 43, 44, Four
The linear arrangement of the holes 43A and 44A is maintained, and the pin 42 and the bolt 42A can be easily inserted.

Further, in the fixing fittings 51, 61,
A pair of left and right side plate portions 53 and 63 are provided, and the side plate portion 5
Since a pair of grooves 22, 32 are inserted in 3, 63, the girder 21,
The cross beam 31 does not easily move sideways. Further, since the bottom plates 54 and 64 are provided in the fixing fittings 51 and 61, respectively, the girder 2
1. When the girders 31 and the girders 31 can be placed on the bottom plate parts 54 and 64 when the girders 31 are fixed to the fixing fittings 51 and 61 by being lowered from above, the girders 21 and the girders 31 can be stably installed. Moreover, the backing plate parts 52, 62
Since holes 56 and 66 are provided in a vertical row in the
The widths of 52 and 62 can be reduced, and it is possible to deal with columns 1 having a small width, girders 21 and girders 31. Further, since the bottom plate portions 54, 64 are adapted to engage with the bottom surface 24 of the shallow bottom formed on the large beam 21 and the small beam 31, as shown in FIG. The heat insulating material 72 can be interposed between the two, and as a result, the steel fixing brackets 51 and 61 having high heat conduction do not directly contact the ceiling member 71, and the heat insulating effect is excellent.

6 and 7 show a second embodiment of the present invention. The same parts as those of the first embodiment are designated by the same reference numerals and detailed description thereof will be omitted. In the second embodiment, a triangular notch 59 is formed in the upper portion of the side plate portion 53 of the fixing member 51.

Therefore, after fixing the fixing member 51 to the column 1 as in the first embodiment, first, the pin 57A is driven into the hole 25 in the upper stage and inserted, and both ends thereof are extended. Next, the girder 21 is lowered from above so that both ends of the pin 57A are locked in the cutout portions 59, and the lower surface of the girder 21 is attached to the bottom plate portion 54.
Place on. After this, the pin 57 is inserted and fixed in the second and third holes 25 from the upper stage.

As described above, in the above-described embodiment, the side plate portion 53 of the fixing member 51 is formed with the cutout portion 59 to which the pin 57A is locked, so that the pin 57A is cutout portion 59 when the pin 57A is lowered from above. The other pin 57
Can be inserted. Moreover, since the notch portion 59 has a triangular shape, the pin 57A is automatically arranged at the top portion thereof, and accurate positioning can be performed.

The present invention is not limited to the above-mentioned embodiment. For example, a fixing member for a column and a girder has holes 43, 43A, 44, 44A on the side surface 41A and the other side surface 41B as shown in FIG. In addition to forming the holes 43B on the other surfaces 41C, 41D,
Various modifications such as forming 43D, 44B and 44D are possible. Further, in the embodiment, the column and girder fixing metal fittings are shown as hollow ones having cavities, but they may be shaft-like ones having no cavities, in which case the strength of the fixing metal fittings can be improved.

[0024]

According to the present invention, the lower portion is inserted into the upper surface of the column, the upper portion is inserted into the girder placed on the upper surface, and the upper and lower portions are formed with holes for inserting the connecting tools such as bolts and pins. Wooden fittings for connecting timber pillars and girders, characterized in that the flat cross section is formed into a square shape, and is used when the ends are inserted into pillars or girders. Can be installed in the correct position without turning.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a first embodiment of the present invention.

FIG. 2 is a partially cutaway front view showing the first embodiment of the present invention.

FIG. 3 is a plan sectional view showing a first embodiment of the present invention.

FIG. 4 is a vertical sectional view showing a first embodiment of the present invention.

FIG. 5 is a cross-sectional view showing another attachment of the fixing fitting for the pillar showing the first embodiment of the present invention.

FIG. 6 is an exploded perspective view showing a second embodiment of the present invention.

FIG. 7 is a partially cutaway front view showing a second embodiment of the present invention.

FIG. 8 is a perspective view showing a third embodiment of the present invention.

[Explanation of symbols]

 1 column 11 digits 41 Fixing bracket 42 Pin (connector) 42A Bolt (connector) 43 43A 44 44A hole

Claims (1)

[Claims] 1. A column and a girder having a lower portion inserted into an upper surface of the column, an upper portion inserted into a girder placed on the upper surface, and holes for inserting a connecting tool such as a bolt and a pin formed in upper and lower portions. A fixing metal fitting for a wooden building, characterized in that a flat cross section is formed into a square shape.