JPH1046680A - Building joint metal fixture and joint method making use thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint method and a joint metal fixture capable of providing sufficient strength with one kind of metal fixture when a horizontal member is connected to a column simply withing a short period of time. SOLUTION: A building joint metal fixture 1 is constituted of contact members 2 with an L-shaped section boring a plurality of bolt insertion holes 7 into surfaces 5 and 6 and a brace fixed member 4 stretched to one L-shaped edge section of the contact members 2 and boring a bolt hole 8 and screw holes 9. Bolt through-holes are bored in jointed members having vertical relations each other in advance, the horizontal plane and vertical plane of the building joint metal fixture 1 are brought into contact with a joint part of the jointed members, bolts are inserted from bolt insertion holes 7 of the building joint metal fixture 1 coinciding with positions of the bolt-through holes, and nuts are screwed into the other ends of the bolts to hold the jointed members to fix.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fitting for joining building members. More specifically, a metal fitting for joining a column and a horizontal member such as a beam or a body gap in a wooden building, and further joining these to a bracing, which is easier and stronger than a conventional one. TECHNICAL FIELD The present invention relates to an architectural joint that can be used and a joint method using the joint.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 8 (a), when a horizontal member 30 such as a beam or a body gap is joined to a column 31, a horizontal member 30 is required.
A mortise hole 32 is formed in the
3 was formed in the lower part of the pillar 31, and the tenon 33 and the tenon hole 32 were fitted to each other and temporarily fixed.

Then, after the temporary fixing, as shown in FIG. 8 (b), a T-shaped or L-shaped connecting metal fitting 34 or the like is brought into contact with the joint portion and is fixed firmly by a fixing member 35 such as a nail. I was

[0004] However, the above-mentioned conventional bonding method has a problem that a skilled technique is required to form a mortise or a mortise, and a considerable time is required for the manufacturing process. In addition, when fixing the connecting bracket with a nail or the like, there remains uneasiness in the fixing strength. Further, there is a problem that considerable noise is generated when driving the nail.

[0005] In recent years, there have been reported some techniques for solving these problems and for simply joining the transverse member and the column without borrowing, for example, a horizontal piece fixed to the transverse member. And a pair of joint fittings having an L-shaped cross section, each of which is composed of a vertical piece sandwiching a pillar (Japanese Patent Publication No. 7-268960).
JP-A-8-41988 proposes a joint fitting for simultaneously joining a bracing to a horizontal member and a column member erected on the horizontal member.

[0006]

However, in these methods, there are inconveniences of using different kinds of metal fittings for joining the horizontal member to the column and joining them to the braces. Was not always sufficient.

SUMMARY OF THE INVENTION In view of the above, the present invention makes it possible to easily carry out mortaring and nailing required for joining a horizontal member and a pillar without the need for a skilled technique.
And in a short time to join the horizontal members and the columns, or the horizontal members in a vertical relationship, and to join these with the braces,
It is an object of the present invention to provide an architectural joining metal fitting which can provide sufficient strength with one kind of metal fitting and a joining method thereof.

[0008]

According to a first aspect of the present invention, there is provided a joint for a building, comprising a horizontal surface and a vertical surface, and a plurality of bolt insertion holes formed in each surface. The contact member has an L-shaped cross section, and a bracing fixing portion which is provided on one L-shaped edge of the contact member and has a bolt hole and a screw hole.

In the above-mentioned architectural joint, a reinforcing plate can be fixed along another L-shaped edge of the contact member.

Further, according to the present invention, a bolt through hole is drilled in advance in a member to be joined which is in a vertical relationship with each other, and a horizontal surface and a vertical surface of the joint metal fitting for construction are brought into contact with a joint portion of the member to be joined. The present invention also provides a joining method in which a bolt is inserted through a bolt insertion hole of a joint fitting for a building that matches the position of the bolt through hole, and a nut is screwed to the other end of the bolt to hold and fix the member to be joined.

[0011] In the joint metal fitting for construction of the present invention, the transverse member and the column are firmly joined by the contact member, and the corresponding contact member is reinforced by the bracing fixing device stretched over the corresponding contact member. . In addition, if a bracing plate or a turnbuckle is installed on the bracing fixture, distortion between columns can be eliminated. Further, if a reinforcing plate is provided on the other L-shaped edge of the contact member, the contact member is further reinforced.

Further, in the joining method using the architectural joint fitting of the present invention, a bolt through-hole is previously drilled in a transverse member or a pillar, which is a member to be joined, which is perpendicular to each other, so that the joint fitting can be connected to the joint fitting. Since the member to be joined is held and fixed by the bolt, mortise processing and screwing of the screw are not required. Therefore, even an inexperienced person can easily and quickly perform the joining operation.

[0013]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a metal fitting for a building according to the present invention. A joint fitting body 1 of an example of a joint fitting for a building shown in FIG. 1 is formed of a hard metal member, and has a contact member 2 having an L-shaped cross section and one L-shaped edge of the contact member 2. Bracing fixing part 4 stretched to part 3
It is composed of Although the size and shape of the bracing fixing portion 4 are not particularly limited, the triangular shape is used in view of the ease of installation of the bracing plates and turnbuckles and the reinforcing effect of the bracing fixing portion itself. Is preferred.

A plurality of bolt insertion holes 7 are formed at equal intervals on two side surfaces 5 and 6 of the contact member 2 which are a horizontal plane and a vertical plane. The bolt insertion holes 7 are preferably formed at four locations on one side surface, as is apparent from the description of FIG. 2 below.

A single bolt hole 8 is formed substantially at the center of the triangular bracing portion 4 extending from one L-shaped edge 3 of the contact member 2. Have been. A plurality of screw holes 9 are formed at equal intervals on the entire surface of the bracing fixing portion 4.

Here, the bracing fixing portion 4 has an effect of reinforcing the contact member 2. Further, as shown in FIGS. 3 and 4, the bracing fixing portion 4 is provided with a bracing plate 10 or a turnbuckle 1 between diagonals of the columns in order to eliminate distortion between the columns.
1 is used for installation.

Further, as shown in FIG. 7, if the reinforcing member 13 is provided along the other L-shaped edge portion 12, the contact member 2 can reinforce the contact member 2 more strongly. it can.

Next, a description will be given of a joining method using an example of a joining metal fitting for a building according to the present invention in which four bolt insertion holes are drilled on one side surface with reference to FIG. Bolt through-holes 21 are previously drilled at equal intervals in the joined member 20 such as a beam, a body difference or a column. The bolt through-holes 21 are formed at two places on one side surface 22 and are formed at two places on the other side surface 23 orthogonal to each other. In this case, each of the bolt through holes 21 is formed stepwise so that the through holes do not meet at the center of the member 20 to be joined. Further, when the contact member 2 contacts the member 20 to be joined, the bolt through hole 21 is provided at any two of the four bolt insertion holes 7 of the contact member 2 (every other bolt insertion hole in the illustrated example). Drill at a position matching the bolt insertion hole 7).

Next, the joining metal body 1 is connected to the joining member 20 such that any two of the bolt insertion holes 7 of the contact member 2 match the bolt through holes 21 of the joining member 20. Abut. Next, the bolt 1 having an appropriate length is passed through the matching portion between the bolt through hole 21 and the bolt insertion hole 7.
6 is inserted, and a nut 17 is screwed to the other end of the bolt 16 to hold and fix the member to be joined. By holding and fixing one side surface with two bolts as in this example, it is possible to hold and fix more firmly than in the case of one bottle. The joint body 1 of the present invention can, of course, be used alone, but it is also possible to sandwich the member to be joined 20 with a pair of joint bodies 1 as shown in the figure and hold it from both sides.

Next, a description will be given of an example in which the architectural fitting of the present invention is applied to an actual construction site. As shown in FIG. 5, the construction fittings of the present invention are installed on a base 41 and a pillar 4.
It is used not only for joining the horizontal members such as the beams 42 and the studs 43 to the columns 40, but also for the various joints such as the girder 44 and the shed bundle 45 on the roof, and the eaves girder 46 and the shed beam 47. be able to. Further, it can be in contact with any joints such as the upper surface, the side surface, and the lower surface of the member to be joined (see FIG. 6).

In any application, the joining fitting body 1 is brought into contact with the joining portion of the joined member 20 in which the bolt through hole 21 is previously drilled as shown in FIG. The bolt 16 is inserted into the portion where the bolt through-hole 21 matches, and the other end is screwed with the nut 17 to hold and fix the member to be joined 20. FIG. 3 shows an example in which the joint fitting of the present invention is used for a complicated combination of columns that are vertically joined to a horizontal member.
6 and FIG. 6, in these cases, if necessary, the bracing plate 10 (FIG. 3) or the turnbuckle 11
(FIG. 4) can be installed to eliminate the distortion between the columns.

When the bracing plate 10 is installed on the bracing fixing portion 4 using the joint fitting of the present invention, the center near the end of the bracing plate 10 is fixed with a bolt 14 as shown in FIG. Further, the periphery can be firmly fixed with a plurality of flat head screws 15. Also, as shown in FIG.
When using No. 1, the bolt hole 8 of the bracing fixing portion 4
The end of the turnbuckle 11 may be attached.

[0023]

As described above, the construction metal fitting of the present invention has the following effects by adopting the above-mentioned structure.

[0024] Since the bracing fixture is installed on the abutting member in the architectural joint of the present invention, the joint strength is higher than that of the conventional joint. In addition, since a bracing plate or a turnbuckle can be installed on the bracing fixture, distortion between columns can be eliminated. Further, if a reinforcing plate is provided at the other edge of the contact member, the joining strength can be further increased.

Further, in the joining method of the present invention, a bolt is provided in advance in a horizontal member or a pillar, and the members to be joined are fixed to the joining metal fitting of the present invention with a bolt, preferably a plurality of bolts. This method eliminates the need for tenoning and nailing. Therefore, even an inexperienced person can easily and quickly perform the joining operation, and can obtain excellent joining strength.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of an example of a wooden joint fitting of the present invention.

FIG. 2 is an exploded view showing a joining method using the wooden joining fitting.

FIG. 3 is a partial perspective view showing a use state of the wooden joint.

FIG. 4 is a side view showing a use state of the wooden joint.

FIG. 5 is a partial perspective view showing a state where the wooden fitting is applied to an actual construction site.

FIG. 6 is a plan view showing another state of use of the wooden joint.

FIG. 7 is a perspective view showing another example of a wooden joint fitting of the present invention.

FIG. 8 is an explanatory view showing a conventional joining method.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Joining metal body 2 Contact member 3 Edge 4 Bracing fixture 5 Side surface 6 Side surface 7 Bolt insertion hole 8 Bolt hole 9 Screw hole 10 Bracing plate 11 Turnbuckle 12 Edge portion 13 Reinforcement plate 14 Bolt 15 Flat screw 16 Bolt 17 Nut 20 Member to be joined 21 Bolt through hole

Claims (3)

[Claims] An abutting member having an L-shaped cross section, comprising a horizontal surface and a vertical surface, each of which has a plurality of bolt insertion holes, and one L-shaped edge of the contacting member; An architectural fitting comprising a bolt hole and a bracing fixing portion having a screw hole formed therein. 2. The fitting according to claim 1, wherein a reinforcing plate is fixed along another L-shaped edge of the contact member. 3. Bolt through holes are respectively drilled in advance in the members to be joined which are in a vertical relationship with each other, and the joining portion of the members to be joined is perpendicular to the horizontal plane of the joint metal fitting for construction according to claim 1 or 2. A surface is brought into contact, a bolt is inserted through a bolt insertion hole of a construction metal fitting which is aligned with the position of the bolt through hole, and a nut is screwed to the other end of the bolt to hold and fix the member to be bonded. Method.