JP3705687B2 - Fittings for joints in building structures - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a fitting for a joint of a building structure part that connects connecting parts such as pillars and beams constructed using wood such as a wooden house, a warehouse, a factory, a garage, and a storeroom as a building.
[0002]
[Prior art]
Conventionally, as a method of connecting woods in a structure such as a wooden house, holes E and F for fitting the head C and neck D of the wood B to the wood A in the connection of the wood A and the wood B as shown in FIG. The head C and neck D formed on the other wood B were fitted into the holes E and F of the wood A to connect the wood A and B. With this joint method, the wood A Holes E and F must be drilled, and the other wood B needs to have a head C and a neck D, so that the head C, the neck D and the holes E and F are aligned. It takes time and labor, and it is necessary to lengthen the size of the wood B by the length that forms the head C and the neck D of the wood B, which makes the construction of the building longer and the construction cost of the building becomes uneconomical. There are drawbacks such as bulkiness.
[0003]
[Problems to be solved by the invention]
The joint method of a conventional building structure section takes labor in the processing, thins the neck D timber B, not only the connection strength is weakened, architectural period becomes longer, construction costs also viewed bulk, also at the junction It is an object of the present invention to improve a metal fitting that is not obstructed when a nail, a screw nail, or a bolt is passed through the attachment hole 18 when the metal fitting is attached.
[0004]
[Means for Solving the Problems]
In the present invention, a metal plate is formed in a W shape, a mounting hole 18 penetrating a nail, a screw nail or a bolt is formed in the flat surface 17, and one of the W-shaped flat surface 17 is bent at a substantially right angle to attach the mounting portion. 19, the other of the flat surface 17 is bent to provide a support portion 20, and the support portion 20 is twisted or cut and sequentially wound from the flat surface 17 to the tip, and the tip of the support portion 20 is This fitting is a fitting for a joint of a building structure part in which fixing holes 21 and 22 are formed in the tip part of the attachment part 19 and the support part 20 according to the tip part of the attachment part 19.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The present invention uses a saw or other processing tool at the abutting portion of the joining portion between the wood A and the wood B such as a pillar of a building structure part such as a house, a warehouse, a factory, or other wood, a beam, and the like. The locking projections 5 and 6 are provided on one side or both sides of the metal plate 9 for driving or pushing into the slots 1 and 2, and the metal plate 9 and the woods A and B are fixed to the metal plate 9. Fixing bolt holes 7 and 8 are drilled, and the metal plate 9 for the fitting is fitted into the slot holes 1 and 2 formed in the connecting portions of the wood A and the wood B, and the bolt holes 3 and 4 of the wood A and B and the metal The adjusting metal rod 23 shown in FIG. 11 is pushed through the plate 9 fixing bolt holes 7 and 8, the bolt holes 3 and 4 are aligned with the fixing bolt holes 6 and 7, and the adjusting metal rod 23 is used using the locking portion 24. Are pulled out, and bolts 10 and 11 are passed through these bolt holes 3 and 4 and fixing bolt holes 6 and 7, The nuts 12 and 13 fit timber A, B and the metal plate 9 and fixed screws washers provided or not provided in the first end portion, is intended to rigidly connect the butt connection of the timber A, B.
[0009]
In the present invention, in addition to the joint method, when the wood A and the wood B are connected in a T shape as shown in FIG. 3 or FIG. 7, the cross section shown in FIG. When the nail-like parts 15 and 16 formed by bending both ends of the metal rod 14 formed in a triangle shape substantially at right angles are driven into the wood A and the wood B, the metal rod 14 is in a triangular shape, so that the wood The metal bar 14 bites into A and B, the upper surface of the metal bar 14 and the upper surface of the woods A and B become flat, and the woods A and B and the connection portion are firmly connected.
[0010]
In the present invention, as shown in FIGS. 7, 8 and 9, a metal plate is formed in a U shape, a mounting hole 18 penetrating a nail, a screw nail or a bolt is formed in a flat surface, and one of the flat surfaces 17 is bent at a substantially right angle. Then, the mounting portion 19 is formed, and is laid along the wood B, the flat surface 17 is in contact with the wood A, and the other support portion 20 is twisted (a metal plate is twisted), or is cut and the width is increased according to the other portion. Since the support portion 20 is formed to be rugged, it is convenient to fix the support portion 20 without penetrating the mounting hole 18 through the nail, screw nail or bolt. Since the metal plate is not L-shaped but is W-shaped and has the support portion 20, the strength is high and the connection portions of the woods A and B can be firmly connected.
[0011]
【Example】
An example of the present invention will be described. A fixing bolt in which a 3 mm slot 1 and 2 are formed by cutting with a saw at the joint ends of 10 cm square wood A and B, and a metal plate 9 is formed in wood A and B. Bolt holes 3 and 4 are formed at positions corresponding to the holes 7 and 8 by design, and the metal plate 9 is an iron plate, for example, a 1 to 5 mm thick 3 mm thick metal plate 9 and a 30 to 60 mm wide 50 mm width. The length of the metal plate 9 is cut and raised to form claw-shaped locking projections 5 and 6, and the tips of the locking projections 5 and 6 are directed toward the joints of the woods A and B. The locking projections 5 and 6 are also shaped so as to bite into the woods A and B when driven into the slots 1 and 2. The metal plate 9 is fitted into the slot holes 1 and 2, the adjustment metal rod 23 shown in FIG. 11 is inserted into the bolt holes 3 and 4 and the fixing bolt holes 7 and 8, and the bolt holes 3 and 4 and the fixing bolt holes 7 and 8 are , And the adjustment metal rod 23 is pulled out by using the hook portion 24, the bolts 10 and 11 are passed through the bolt holes 3 and 4 and the fixing bolt holes 7 and 8, and a washer is attached to one end of the bolts 10 and 11. The nuts 12 and 13 are screwed together with or without the nuts, and the connecting portions of the woods A and B are firmly connected.
Further, as shown in FIG. 3 or FIG. 7, when the wood A and the wood B are connected in a T shape, the metal plate 9 is used or the metal whose cross section shown in FIG. When the nail-like portions 15 and 16 formed by bending both ends of the rod 14 at a substantially right angle are driven into the wood A and the wood B, the metal rod 14 is in a triangular shape, so the metal rod 14 is attached to the wood A and B. The upper surface of the metal rod 14 and the upper surfaces of the woods A and B become flat, and the woods A and B and the connection portion are firmly connected. Then, as shown in FIGS. 7, 8, and 9, a metal plate is formed in a U-shape, a mounting hole 18 is formed in the flat surface through the nail, screw nail or bolt, and one of the flat surfaces 17 is bent at a substantially right angle. The mounting portion 19 is formed, along the wood B, the flat surface 17 is in contact with the wood A, and the other support portion 20 is twisted (FIG. 8) or is cut to reduce the width according to the other portion. A support portion 20 is formed (FIG. 9). Therefore, it is convenient to fix the supporting portion 20 without penetrating the nail, the screw nail or the bolt into the mounting hole 18, and the conventional metal plate is not simply L-shaped but is wa-shaped. Since the support portion 20 is provided, the strength is high and the connection portions of the woods A and B can be firmly connected.
[0012]
【The invention's effect】
As described above , the present invention can be firmly locked to the corners when connecting the woods A and B in a T shape by using the connection fitting of the present invention . Since the flat surface 17 is in contact with the wood A and the other support portion 20 is twisted or cut to form a support portion 20 whose width is increased according to the other portion from the flat surface 17, It is convenient to fix the support part 20 without penetrating the screw nails or bolts, and the conventional metal plate is not simply L-shaped but is W-shaped, and there is the support part 20. Therefore, the strength is high, the connection parts of the woods A and B can be firmly connected, and since the woods A and B are securely connected, the connection parts are strong and the structure of the metal plate 9 is simple. It can be manufactured at a low cost, and it requires less man-hours for connecting wood A and B. Even if the connection method of B is not a skilled carpenter as in the past, even an amateur can connect, and if the metal plate 9 can only use one or several pieces depending on the thickness of the wood A, B First, it is not necessary to form the conventional head and neck and the corresponding holes E and F at the ends of the woods A and B, and the wood for the head and neck is made longer in the wood B. It is unnecessary and the economy of timber makes the connection method simple as a whole, and by using a metal plate with a simple structure, the construction period is shortened. It has an excellent effect that cannot be achieved.
[Brief description of the drawings]
FIG. 1 is a partially cutaway plan view showing an embodiment of the present invention.
FIG. 2 is a side view of a metal plate showing an embodiment of the present invention.
FIG. 3 is a plan view when wood is connected in a T shape with a metal plate according to an embodiment of the present invention.
FIG. 4 is a front view of a squirrel-shaped metal fitting formed from a metal rod according to an embodiment of the present invention.
FIG. 5 is an end view of the snail-shaped metal fitting of FIG. 4;
6 is a cross-sectional view taken along the line HH of the snail-shaped metal fitting of FIG.
FIG. 7 is an explanatory view using various metal fittings of the present invention.
FIG. 8 is a perspective view of a U-shaped bracket showing one embodiment of the present invention.
FIG. 9 is a perspective view showing another example of the U-shaped bracket of FIG. 8;
FIG. 10 is a cross-sectional view of a conventional joint.
FIG. 11 is a front view of an adjustment metal rod.
[Explanation of symbols]
A, B Wood 1, 2 Groove hole 3, 4 Bolt hole 5, 6 Locking projection 7, 8 Fixing bolt hole 9 Metal plate 10, 11 Bolt 12, 13 Nut 14 Metal rod 15, 16 Nail-like part 17 Flat part 18 Mounting hole 19 Mounting part 20 Supporting parts 21, 22 Fixing hole 23 Adjusting metal rod 24 Hooking part

Claims (1)

  A metal plate is formed in a W shape, a mounting hole that penetrates a nail or a screw nail or a bolt is made in a flat surface, one of the W shape is bent at a right angle to the flat surface, and an attachment portion is provided. Is bent to form a support part, and the support part is twisted or cut to gradually increase the width from the flat surface to the tip, and the tip of the support part is aligned with the tip of the attachment part. A fitting fitting for a building structure part, wherein a fixing hole is drilled at the tip of the support part.

Images