JP2000104343A - Joining tool for lumber for construction - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joining tool for lumber for construction displaying durable deformation strength more excellent than conventional products and being further realized extremely easily. SOLUTION: The joining tool for lumber for construction joins lumber 1 for construction to a lumber 2 for connection, in which a connection section 3 is formed at an end section, at a right angle or under an inclined state. Joining sections 5 capable of being joined and coupled with the connection section 3 of the wood 2 for connection are formed on the free both end sides of a fold-back-shaped seaming tool body 4, in which a board material is folded back and formed in a hold-back-shaped cross section, and a connecting section 6 capable of being abutted and connected to the lumber 1 for construction is formed to a fold-back section 9 on the reverse sides of the joining sections 5 while through-holes 8, through which the projecting front ends of mounting bolts 7 for mounting the joining tool body 4 projected from the lumber 1 for construction are formed to the connecting section 6. The fold-back shape of the fold-back section 9 of the joining tool body 4 is formed in the fold-back shape of deformation, in which it is assumed that the joining sections 5 are deformed from a U-shaped fold-back shape when the joining sections 5 receive load in the direction that the lumber 2 for connection is tensed to the lumber 1 for construction and is pulled, and set in the fold-back shape having no bending section at a right angle as the U-shaped fold-back shape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a splicing tool for building timber used for splicing timber for beams at right angles to timber for columns.

[0002]

2. Description of the Related Art
As a jointing tool of this type of building wood, an end of a connecting wood 2 such as a beam, for example, is provided at both free ends of a jointing tool body 20 formed by bending a plate material as shown in FIG. A joint portion 21 that can be joined and connected to the connection portion 4 provided in the
On the opposite side, a joint 22 that can be in contact with the side surface of the building timber 1 such as a pillar is provided, and the joint 22 protrudes from the side surface of the building timber 1 to the joint 22. There is a U-shaped metal fitting provided with a through hole 24 penetrating the projecting tip of the bolt 23.

[0003] The construction method using this joining alloy tool will be briefly described. A plurality of mounting bolts 23 are passed through the washer 26 between the opposing side surfaces of the building timber 1 so as to pass through one side surface of the building timber 1. A plurality of the tips of the mounting bolts 23 are projected, the projecting tips of the respective mounting bolts 23 are passed through the through-holes 24, and the nuts 25 are screwed onto the projecting tips to thereby connect the joint fixture body 20 to the building timber 1. The connecting rod 21 of the connecting portion 4 is connected to the joint portion 21 of the fixed connecting member main body 20 and the connected state is changed by a locking bolt 27 and a locking nut 28. By fixing, as shown in FIG. 8, the timber for construction 1 and the timber for connection 2 are spliced at right angles. According to the method using this splicing tool, the joint processing to the timber is simplified. The advantage is that the standardization can be standardized and the construction work can be simplified. Ri, it is very popular.

However, in this conventional joint alloy tool, when a load is applied in the direction in which the connecting lumber 2 joined to the building lumber 1 is pulled, the joint portion 21 is also pulled by this pulling force. However, there is a problem in that the corners of the joint body 20 originally having a U-shaped cross-section are elongated and gradually deformed into a shape close to a U-shape, thereby deforming the frame. Was.

It is considered that this problem can be solved by increasing the thickness of the plate material constituting the joint to increase the strength of the joint body 20 itself. However, such a thick plate is required. In addition, the cost of parts becomes high, and it is difficult to realize such a material because it is very troublesome to bend a folded shape because the plate material is hard.

SUMMARY OF THE INVENTION The present invention has been made to solve the problem of the conventional U-shaped joint alloy, and has been proposed to solve the problem. By doing so, even if a pulling force is applied to the connecting wood joined to the building wood, the joint alloy tool is less likely to deform further, and exhibits remarkable durability deformation strength compared to conventional products In addition, it is intended to provide an innovative architectural wood splicer which is extremely easy to realize.

[0007]

The gist of the present invention will be described with reference to the accompanying drawings.

[0010] A splicing tool for architectural wood for joining architectural wood 1 and connecting lumber 2 provided with a connection part 3 at an end at a right angle or in an inclined state, wherein the plate material is folded in cross section. A joint portion 5 that can be jointed and connected to the connection portion 3 of the connecting lumber 2 is provided at both free ends of the folded joint device main body 4 formed in a bent shape, and the opposite side of the joint portion 5 is folded. A joining portion 6 capable of abutting and joining to the building timber 1 is provided at the portion 9, and a projecting tip of a mounting bolt 7 for attaching the joint body 4 protruding from the building timber 1 is penetrated through the joining portion 6. In the splicing tool for building timber provided with the through hole 8, the folded shape of the folded portion 9 of the splicing tool body 4 is changed so that a load is applied in the direction in which the connecting wood 2 is pulled with respect to the building wood 1. It is assumed that the joint 5 is deformed from the U-shaped folded shape when the joint 5 is pulled. A folded shape of the deformation,
Further, the present invention relates to a jointing device for architectural timber, characterized in that it has a folded shape having no right-angled bent portion like a U-shaped folded shape.

3. The joint of building wood according to claim 1, wherein said folded portion is bent into a curved shape having no folded edge so as to have a folded shape having a U-shaped cross section. It is related to the tool.

2. The joint according to claim 1, wherein the folded portion is formed in a folded shape having a polygonal cross section by forming three or more obtuse bent portions. It is related to the tool.

[0011] Further, according to the present invention, the through hole 8 is formed in a horizontally long hole, and the splicing tool for building wood according to any one of claims 1 to 3 is provided.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Preferred embodiments of the present invention (how to implement the invention) will be briefly described with reference to the drawings, showing the operational effects thereof.

A through hole 8 formed in the joint 6 of the joint body 4
When the nuts 10 are screwed into the ends of the mounting bolts 7 protruding from the building timber 1 such as pillars and the like, and the nuts 10 are screwed to the ends of the mounting bolts 7, the joints 6 of the fitting body 4 are attached to the building timber 1. The joint tool main body 4 is fixed in a contact state, and is held in a state of protruding sideways from the timber for building 1.

A joint 3 provided at an end of the connecting wood 2 such as a beam or a streak is connected and fixed to a connecting portion 5 of the connecting tool main body 4 protruding from the building wood 1. The timber for construction 1 and the timber for connection 2 are joined and connected at right angles or in an inclined shape.

In the state where the timber for construction 1 and the timber for connection 2 are joined and connected in this manner, in the conventional U-shaped joint alloy tool, the timber for connection 2 joined to the timber for construction 1 is used. When a load is applied in the pulling direction, the joint portion 21 is also pulled by this pulling force, so that the corner portion of the joint tool main body 20, which was originally U-shaped in cross section, is extended and the cross section U is gradually reduced.
There was a problem that it was deformed into a shape close to a character,
In the present invention, since the shape of the folded portion 9 is set to the deformed folded shape which is assumed to be deformed from the U-shaped folded shape when the joint portion 5 is pulled in advance, the joint portion 5 is pulled. Even if a force is applied, the joint body 4 is less likely to be further deformed, and the joint body 4 can withstand this pulling force while maintaining its substantially current shape.

Accordingly, a remarkable durability deformation strength is exhibited as compared with the conventional product.

Further, the folded portion 9 which has conventionally been formed in a U-shape
Is a folded shape that is assumed to be simply deformed when the joint portion 5 is pulled, such as a bent shape shown in FIG. 1 or a polygonal folded shape shown in FIG. It is only necessary to form a folded shape that does not have a right-angled bent portion like a folded shape, so that the production is not troublesome, the mass production is excellent as in the conventional product, and it can be realized at low cost.

Further, for example, if the through hole 8 is formed in a horizontally long hole, the joint portion of the present joint tool is connected to the building wood 1 by moving the through hole 8 in the horizontal direction with respect to the mounting bolt 7. 5 can be connected and fixed in a state where it is inclined horizontally and horizontally.
In addition, it is also possible to freely adjust the angle of the joint 5 in the horizontal direction by moving the joint in the horizontal direction within the range of forming the horizontally long through hole 8 with respect to the mounting bolt 7. Therefore, according to this configuration, since the direction of the joint portion 5 can be freely adjusted and set to a predetermined angle in the horizontal and horizontal directions with respect to the building wood 1, the connecting wood 2 is connected to the building wood 1. Because it can be connected even when it is tilted horizontally and horizontally, it has an excellent configuration that can be used for a wider range of joining applications.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described with reference to the drawings.

1 to 3 show a first embodiment, FIG. 4 shows a second embodiment, FIG. 5 shows a third embodiment, and FIG. 6 shows a fourth embodiment.

The first embodiment will be described.

The present embodiment is applied to a jointing tool for joining a connecting wood 2 such as a beam to a building wood 1 such as a pillar at a right angle, and is a folded shape obtained by bending a plate material into a folded shape in cross section. A joint portion 5 that can be joined and connected to the connection portion 3 of the connecting lumber 2 is provided at both free ends of the joint tool main body 4 and a folded portion 9 on the opposite side of the joint portion 5 is used for the building. A joint portion 6 that can be brought into contact with the side surface of the lumber 1 is provided, and a through hole penetrating through a protruding tip of a mounting bolt 7 for attaching the joint body 4 protruding from the side surface of the timber for construction 1 to the joint portion 6 8 are provided.

More specifically, the joint body 4 is made of, for example, a metal square plate made of stainless steel or the like, and is formed by folding this metal plate into two folds.

The joint portion 5 has a substantially V-shaped engaging recess 16 for engaging an engaging rod 13 to be described later on the upper side of the left and right release plates of the folded joint main body 4. An engagement hole 17 that can lock a locking pin 15 described below below the left and right release plate portions.
Is formed.

The joint portion 6 is formed by forming the through hole 8 in the folded portion 9 of the joint body 4 opposite to the joint portion 5. In addition, the drawing shows a case where five through holes 8 are formed in parallel at the top and bottom, and by selecting an arbitrary through hole 8 from the plurality of through holes 8 and locking the mounting bolts 7, the building is constructed. The attachment height of the joint body 4 with respect to the timber 1 is configured to be adjustable in position.

Further, in the present embodiment, the folded shape of the folded portion 9 of the joint tool body 4 is changed by applying a load to the building wood 1 in the direction in which the connecting wood 2 is pulled. 5 is a folded shape that is assumed to be deformed from the conventional U-shaped folded shape when pulled, and does not have a right-angled bent portion like the U-shaped folded shape. The shape is set.

More specifically, the folded portion 9 has a folded shape having a U-shaped cross section by being bent into a curved shape having no folding edge.

Next, the building timber 1 used in the present embodiment.
And the connection wood 2 will be described.

In the timber 1 for construction, mounting holes 11 for mounting the mounting bolts 7 are formed side by side at three opposing sides of the timber 1 for construction. In addition, this mounting hole 11
Has a hole diameter set such that the mounting bolt 7 can be mounted in a freely rotatable loose fit state.

The connection piece 3 is formed at the end of the connection wood 2. To describe the connection part 3 in detail, longitudinal slits 12 are formed at two ends of the connecting wood 2 by a mortaring machine or the like, and the joint part 5 is formed in the two slits 12. Are configured to be able to fit each other. In addition, a locking rod 13 that penetrates the divided end in the horizontal direction is provided at the upper part of the end part which is divided into three parts by forming the slit 12 in the horizontal direction, and the divided end part is provided at the lower part. A locking hole 14 penetrating in the lateral direction is provided, and a locking pin 15 can be penetrated and locked in the locking hole 14 in the lateral direction. Reference numeral 19 in the drawing denotes a stop hole for locking the locking rod 13.

Next, a method of connecting wood using the joint of the present embodiment will be specifically described.

First, the mounting bolts 7 are passed through the mounting holes 11 of the building timber 1 through washers 18 respectively, and a plurality of tips of the mounting bolts 7 protrude from one side of the building timber 1.

A through hole 8 provided in the joint 6 of the joint body 4
Through the tip of the mounting bolt 7 protruding from the side of the building timber 1 and screwing a nut 10 to the tip of the mounting bolt 7 so that the joint 6 of the joint body 4 is attached to the side of the building timber 1 It is brought into a state where it is abutted and fixed, and the joint body 4 projects laterally from the side surface of the timber for building 1.

Subsequently, the release plate constituting the joint 5 is
The two connecting slits 12 of the connection part 3 of the connecting wood 2 are fitted and aligned with each other, and the locking rods 13 of the connection part 3 are fitted into the respective locking recesses 16 of the joint part 5 from above. The connection state is fixed by engaging and locking the locking pin 15 through the locking hole 14 on the side of the connection 3 and locking the locking pin 17 in the engagement hole 17. And the connecting wood 2 are joined and connected at a right angle or at an angle.

Therefore, in the present embodiment, since the construction is as described above, in the conventional U-shaped joint alloy tool, when the building wood 1 and the connecting wood 2 are joined, the building wood 1 is joined to the building wood 1. When a load is applied in a direction in which the combined connecting timber 2 is pulled, the joint portion 21 is also pulled by this pulling force,
For this reason, there was a problem that the corner portion of the splicer body 20 originally having a U-shaped cross section was elongated and gradually deformed into a shape close to a U-shaped cross section. Since the folded portion 9 is formed in a deformed folded shape which is assumed to be deformed when the joint portion 5 is pulled in advance, the joint member is formed even when a tensile force is applied to the joint portion 5. The main body 4 is harder to deform any more, and therefore exhibits a remarkable durability deformation strength as compared with the conventional product.

A second embodiment will be described.

This embodiment is different from the first embodiment in that the folded portion 9 is formed into a polygonal cross-sectional shape having no right-angled bent portion by forming four obtuse bent portions. Shows the case.

In this embodiment, a case is shown in which a portion constituting the joint 6 of the folded portion 9 is formed in a flat surface shape, and the through holes 8 are arranged in a staggered manner in the flat joint 6. ing.

Therefore, in this embodiment, since the joining portion 6 is formed on a flat surface, the joint body 4 can be reliably positioned with respect to the side surface of the timber 1 for construction. Joint body 4 for building wood 1
Is easily performed, and becomes practical.

Further, since the through holes 8 are arranged in a staggered manner, the flat joint portion 6 is deformed when the joint portion 5 receives a tensile force as compared with the case where the through holes 8 are arranged in a line. It is difficult to perform, and an excellent deformation prevention effect is exhibited.

The third embodiment will be described.

In this embodiment, as shown in FIG. 5, the case where the through hole 8 is formed as a horizontally long hole having a length in the width direction of the joint portion 6 in the first embodiment is shown.

Accordingly, in the present embodiment in which the through hole 8 is formed as a horizontally long hole, the folded portion 9 (joining portion 6) has a curved surface. By moving the joint in the horizontal direction, it becomes possible to fix the joint 5 of the present joint tool to the building timber 1 in a state in which the joint 5 is inclined horizontally and horizontally. The position (direction) of the joint 5 can be freely corrected by moving the joint to incline in the left-right direction with respect to the (building timber 1).

Therefore, in the joint device of this embodiment, in addition to the operation and effect of the first embodiment, the direction of the joint portion 5 with respect to the timber for construction 1 can be freely adjusted horizontally and horizontally by a predetermined angle. Since the setting can be performed, the connecting wood 2 can be connected to the building wood 1 even in a state where the connecting wood 2 is inclined in the horizontal direction, so that an excellent configuration that can be used for a wider range of joining applications is obtained.

A fourth embodiment will be described.

This embodiment is different from the third embodiment in that the hole shape at the end of the through hole 8 formed in the horizontally long hole is such that the head of the mounting bolt 7 can be inserted and arranged from the side of the joint 6. This figure shows a case where it is formed in a T-shape.

Therefore, in this embodiment constructed as described above, in addition to the operation and effect of the third embodiment, the mounting bolt 7 is passed through the mounting hole 11 of the building timber 1 in advance, and the nut 10 is temporarily mounted. Even if it is attached to
This joint can be connected to the mounting bolt 7 by passing the bolt head of the mounting bolt 7 through the through hole 8 using the bolt head shaped holes at both ends of the mounting bolt 7. By tightening and tightening the nut 10 that has been worn, the joint can be securely connected and fixed to the building timber 1.

Therefore, when using the joint device of this embodiment, the mounting bolt 7 is previously inserted into the mounting hole 11 of the building timber 1.
May be temporarily fixed, so that the building timber 1 with the mounting bolts 7 temporarily fixed as described above can be mass-produced at a factory and shipped. Can eliminate the work of attaching the mounting bolts 7 at the site, so that the timber joining operation at the site is further simplified and the workability is improved.

[0049]

As described above, the present invention is constructed as described above. In the conventional U-shaped joint alloy tool, in the spliced state of the building wood and the connecting wood, the connection spliced to the building wood is performed. When a load is applied in the direction in which the timber is pulled, the joint portion is also pulled by this pulling force, so that the corner portion of the joint device body, which was originally U-shaped in cross section, is extended and gradually becomes U-shaped in cross section. However, in the joint device of the present invention, the shape of the folded portion is changed from the U-shaped folded shape when the joint portion is pulled in advance. Then, since it is set to the folded shape of this assumed deformation, even if a tensile force is applied to the joint body, the joint body is more difficult to deform further, and it has a remarkable durable deformation strength compared to the conventional product Innovative construction that is extremely practical The Tsugigogu of use wood.

Also, the folded portion, which has been conventionally formed in a U-shape, is assumed to be deformed from the U-shaped folded shape when the joint portion is pulled. Because it is only formed in a folded shape that does not have a right angle bent part like the folded shape of
It is a breakthrough construction wood splicer with an excellent configuration that is not difficult to manufacture, excels in mass productivity like conventional products, and can be realized at low cost.

According to the second and third aspects of the present invention, the folded shape of the folded portion according to the first aspect of the present invention can be easily designed and realized, which is more practical. In addition, it is particularly preferable to form the folded portion as in the invention of claim 2,
Since the shape becomes the shape closest to the shape deformed from the U-shaped folded shape, an excellent deformation prevention effect is exhibited, and excellent durability deformation strength is exhibited.

According to the fourth aspect of the present invention, since the through-hole is formed in a horizontally long hole, the through-hole is moved in the lateral direction with respect to the mounting bolt, so that the present joint is joined to the timber for construction. It can be fixed in a state where the direction of the part is inclined at a predetermined angle in the horizontal left and right direction, and by moving this joint within the range of forming the horizontally long through hole with respect to the mounting bolt, the direction of the joint is horizontally and horizontally It is also possible to freely adjust the angle in the direction, so that the direction of the joint with respect to the building wood can be set freely at a predetermined angle horizontally and horizontally, so that the connecting wood can be adjusted horizontally with respect to the building wood. It is an excellent configuration that can be used for a wider range of joining applications, such as being able to connect even in a state inclined to the left and right.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment.

FIG. 2 is an exploded perspective view showing all components required for a timber connection operation using the first embodiment.

FIG. 3 is a plan view showing a connected state using the first embodiment.

FIG. 4 is a perspective view showing a second embodiment.

FIG. 5 is a perspective view showing a third embodiment.

FIG. 6 is a perspective view showing a fourth embodiment.

FIG. 7 is a perspective view showing a conventional example.

FIG. 8 is a plan view showing a connected state using a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Building wood 2 Connecting wood 3 Connection part 4 Joiner main body 5 Joint part 6 Joint part 7 Mounting bolt 8 Through hole 9 Folding part

Claims (4)

[Claims] An architectural wood splicer for joining architectural wood and a connecting lumber provided with a connection portion at an end at a right angle or an inclined state, wherein the plate material is folded in a cross-sectional shape. A joint portion that can be joined and connected to a connection portion of the connecting lumber is provided at both free ends of the bent folded joint body, and the architectural timber is provided at a folded portion opposite to the joint portion. And a joint that can be abutted and joined to the joint, and a joint for the architectural timber having a through-hole that penetrates through a protruding tip of a mounting bolt for attaching a joint main body protruding from the architectural timber at this joint. ,
The folded shape of the folded portion of the joint tool main body is deformed from the U-shaped folded shape when the joint is pulled by receiving a load in the direction in which the connecting wood is pulled with respect to the building wood. A jointing device for architectural timber, wherein the joint has a folded shape that is assumed to be the deformed shape assumed as described above, and has a folded shape that does not have a right-angled bent portion such as a U-shaped folded shape. 2. The splicing device for architectural timber according to claim 1, wherein the folded portion has a folded shape having a U-shaped cross section by being bent into a curved shape having no folded edge. . 3. The joint according to claim 1, wherein the folded portion is formed in a folded shape having a polygonal cross section by forming three or more obtuse bent portions. . 4. The splicing tool for building wood according to claim 1, wherein said through hole is formed in a horizontally long hole.