JP2967336B2 - Architectural fittings - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a metal fitting for connecting columns and beams or girders in a wooden building.

[0002]

2. Description of the Related Art In a conventional wooden building, columns and beams or girders are joined by performing precision processing, combining them, and fixing them using a vault, etc., and require skilled skills. Was. However, in recent years, there has been a shortage of skilled technicians, and various joining fittings have been frequently used for the purpose of simplifying joining and increasing joining strength.

[0003] Of these various types of joining fittings, Japanese Patent Application Laid-Open
The one shown in FIG. 6 disclosed in Japanese Patent Application No. -279263 has gained a good reputation because it is robust and easy to use.

[0004]

In the conventional fitting 101 shown in FIG. 6 described above, the fitting to the pillar 110 is performed by inserting the projection 105 of the fitting into a projection insertion hole 111 formed in the pillar and forming a virtual line. Is fixed by pulling it down by S from the position shown by the solid line to the position shown by the solid line, and is characterized in that it is easy to mount. However, the protrusion insertion hole 111 is precisely machined using a special tool. There is a problem that it is necessary and cannot be processed with a tool that is widely used in general, and furthermore, there is a possibility that the joint fitting 101 is lifted up only by S when an earthquake, particularly a direct type earthquake occurs, and damages the house. was there.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is based on a novel idea of a structure for attaching a joint fitting to a column, and the process of attaching the joint to the column is improved. It is a method that can be easily performed by a general trader only with simple drilling, and it is possible to completely prevent the joining fitting from being lifted by an earthquake.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An architectural joint according to the present invention has a metal integral structure, a bolt engaging groove cut from the upper side of a substantially rectangular plate-shaped main body, and a plate thickness below the bolt engaging groove.
One side with a bolt through hole that penetrates, a supporting projection with a slightly larger diameter and a flattened end surface for attaching to a pillar material is provided at the bottom, and a diameter smaller than this supporting projection is used.
The central part of is the maximum diameter, and the diameter gradually increases in the distal and proximal directions.
Next reduced position to form an arc-shaped outer peripheral surface in the axial direction
The positioning projections are projected on the upper part,
And two fixed pin holes penetrating in the horizontal and vertical directions perpendicular to the axis.

[0007]

Embodiments will be described with reference to the drawings.
FIG. 1 is a front view showing one embodiment of the present invention, and FIG. 2 is a front view showing one embodiment of the present invention.
3 shows a plane, and FIG. 3 shows a right side.

In the figure, reference numeral 1 denotes a plate-shaped main body, which is substantially rectangular and has a predetermined thickness, and a bolt engaging groove 2 whose opening is enlarged from the upper side is deeply cut. A bolt hole 3 is provided to extend through the hole, and a hole 4 for reducing weight and passing a hand-held finger is formed substantially at the center.

At the lower part of one side of the plate-shaped main body 1, a support projection 5 having a slightly large diameter and a short columnar shape is projected, and a front end face 5a of the support projection 5 is a flat contact surface.

A support projection 5 is provided on one side of the plate-shaped main body 1.
The smaller diameter is slightly longer, and the center of the length is the maximum diameter.
The diameter is gradually reduced in the end direction and the base direction, and
Positioning projections with an arc-shaped outer peripheral surface
The two protrusions that penetrate horizontally and vertically perpendicular to the axis
Fixed pin holes 6a and 6b are provided.

The joint fitting of the present invention having the above-described structure is shown in FIG.
4 and the support protrusion holes 11 snugly matching supporting protrusion 5 bored pillars 10 as shown in FIG. 5, the maximum linear positioning projections 6
The supporting projections 5 and the positioning projections 6 are respectively inserted into the positioning projection holes 12 having the same hole diameter as the diameter, and the fixing pin holes in the lateral direction are orthogonal to the positioning projection holes 12 from the side surfaces of the pillar 10.
A metal fixing pin 14 is driven into a fixing pin insertion hole 13 drilled at a position corresponding to 6a to fix the joining fitting.

When the fixing pin 14 cannot be driven from the side surface of the pillar 10, it may be driven vertically from the upper end of the pillar 10, and therefore, as shown in FIGS. A pin hole 6b is provided .

Further, in the processing of the positioning projection hole 12, even if there is a deviation such as slight inclination, the positioning projection 6 can be formed.
In order to enable the insertion of the positioning projection 6, the shape of the positioning projection 6 is gradually reduced in the distal direction and the proximal direction .

[0014] On the other hand, the beam or girder 15 assembled in a direction orthogonal to the column 10, from small in the middle of the thickness as shown in FIGS. 4 and 5, a plate-shaped body of the joint fitting attached to pillars 10 1
Is formed, and bolt holes 17, 18 penetrating in the thickness direction are provided at positions corresponding to the bolt engaging grooves 2 and the bolt through holes 3, and the upper bolt holes 17 are formed.
Through the bolt 19 in advance.

[0015] Next On drop is fitted a split groove 16 of the beam or girder 15 from above the plate-like body 1, the bolt 19 is guided beam or girder 15 engaged with the bolt engagement groove 2 at a predetermined position And position it correctly. Subsequently, when a bolt 20 is passed through the lower bolt hole 18, the bolt 20 is tightened through the bolt through hole 3 of the plate-shaped main body 1, and the beam or the beam 15 is tightened.
Is fixed to the column 10 while preventing it from falling upward.

In the assembly assembled in this manner, the load applied to the plate-shaped main body 1 via the beam or the spar 15 is mainly received by the column 10 via the support projection 5.
Has a large diameter, the lower half surface of the outer periphery is in wide contact with the support projection hole 11 to support the vertical load, and the tip end surface 5a of the support projection 5 is in contact with the back end of the support projection hole 11 to support the lateral load. Therefore, it can withstand a large load.

Furthermore, since the positioning projection 6 is fixed with play properly attach serve a plate-like body 1 to the pillars 10, the fixing pin 14 implanted in through a fixed pin insertion hole 13 of the pillar 10 to the fixing pin hole 6a, Pillar 10
It does not come off, and there is no possibility that the joint fittings will rise due to an earthquake or the like.

[0018]

The present invention is embodied in the form described above and has the following effects.

The architectural fitting of the present invention has an integral structure made of metal, and therefore has strength and is easy to manufacture, so that it can be provided at low cost.

[0020] in order to take advantage of this connection fittings, processing of the pillars and beams or digits, because it is a simple process of drilling and grooving only, without the need for special tools and processing technology, general contractors Can be easily processed.

Since the load applied to the connection fitting is supported by contacting the pillar with the lower half of the outer periphery having a large area of the large-diameter support projection and the end face, it can withstand a large load and does not disturb the building. .

[0022] The positioning projection, the central portion is the maximum diameter of the length
To gradually reduce the diameter in the distal and proximal directions,
Because it is formed in a barrel shape, the positioning projection holes drilled in the pillar
Even if it is slightly inclined, it can be inserted, and since it is fixed to the pillar by the fixing pin, the connecting fitting does not come off the pillar and the connecting fitting does not float due to the earthquake, so that a building resistant to disaster can be obtained.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a connection fitting of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a right side view of the same.

FIG. 4 is a partially cut front view showing a use state.

FIG. 5 is a plan view of FIG . 4;

FIG. 6 is a diagram showing a state in which a conventional connection fitting is mounted on a pillar.
(A) is a side view, (B) is a process to attach to a pillar
FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Plate-shaped main body 2 Bolt engaging groove 3 Bolt through hole 4 Pull-out hole 5 Support projection 5a Tip surface 6 Positioning projection 6a, 6b Fixed pin hole 10 Column 11 Support projection hole 12 Positioning projection hole 13 Fixed pin insertion hole 14 Fixed pin 15 Beam or girder 16 Split groove 17, 18 Bolt hole 19, 20 Bolt

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) E04B 1/26 E04B 1/58 505-508

Claims (1)

(57) [Claims] 1. A metal integrated structure having a bolt engaging groove cut out from the upper side of a substantially rectangular plate-shaped main body, and a bolt through hole provided through the bolt engaging groove below the bolt engaging groove. On the side, the supporting projection with a slightly larger diameter and a flattened tip surface for attaching to the pillar material is set at the bottom, the diameter is smaller than the supporting projection, and the diameter gradually increases in the distal direction and the proximal direction.
A joint metal fitting for construction, characterized in that reduced positioning projections are provided on the upper portion, respectively, and two fixing pin holes are provided in the positioning projections, which penetrate horizontally and vertically perpendicular to the axis.