JP7094405B1 - Joining structure and joining tools for wood structural materials - Google Patents

Abstract

PROBLEM TO BE SOLVED: To fasten and join a main material and a pair of side materials with a fastening bolt and a nut thereof, and to mutually position a main material and a pair of side materials with a fastening bolt, and workability in the field. In addition, the structural screw can be directly screwed into the wood structural material without making a pilot hole by rotating a bit of an electric tool or the like. SOLUTION: A vertical lumber V, a horizontal lumber H, a lumber structural material W such as a diagonal lumber, etc. of a wooden building are used, and the lumber structural material is a main material M and a pair of side materials S arranged on both side surfaces of the main material. -It is composed of S and has a joining structure that joins the main material and the pair of side materials. The main material and the pair of side materials are fastened and joined by the fastening bolt 1 and its nut, and in addition, with the main material. The pair of side timbers are joined by a plurality of structural screws 3 ... Surrounded around the fastening bolts. [Selection diagram] Fig. 2

Description

INDUSTRIAL APPLICABILITY The present invention joins a main material which is a wooden structural material such as a vertical material, a horizontal material, and a diagonal material of a wooden building, and a pair of side materials arranged on both side surfaces of the main material. It relates to structures and joinery.

Conventionally, for example, vertical materials such as columns, studs, and bundles, horizontal materials such as beams and girders, diagonal materials such as streaks and flint, and wood structural materials such as reinforcing materials have been used as main materials and main materials. There are known joining structures and joining tools that are composed of a pair of side timbers arranged on both side surfaces of the above and join the main timber and the pair of side timbers.

JP 2016-165877

Architectural Institute of Japan, page 240, April 30, 2005 Architectural Institute of Japan, Architectural Institute of Japan, page 80, November 30, 2009

However, in the case of the conventional structure, the structure is such that the main material as a wood structural material and a pair of side materials as a wood structural material are joined by only a plurality of structural screws and nails, or only a plurality of bolts and their nuts. Therefore, in the former joint structure, since only a plurality of structural screws and nails are used, it becomes difficult to position the main material and the pair of side materials in the field work, and the workability may be deteriorated. In the latter structure, since only a plurality of bolts and their nuts are used, a plurality of through pilot holes for inserting the bolts in advance are required, which may reduce workability. It has the inconvenience of being there.

The present invention aims to solve such inconveniences, and in the present invention, the invention according to claim 1 is a wooden structural material such as a vertical member, a horizontal member, or a diagonal member of a wooden building. The wood structural material is composed of a main material and a pair of side materials arranged on both side surfaces of the main material, and is a joint structure for joining the main material and the pair of side materials. The lumber and the pair of side members are fastened and joined by fastening bolts and their nuts, and in addition, the main material and the pair of side timbers are arranged around the fastening bolts for a plurality of structures. The structural screws are joined by screws , and the structural screws are in a joining structure of a wooden structural material, characterized in that they are arranged on a virtual circle centered on the axis of the fastening bolt .

Further, the invention according to claim 2 is a wooden structural material such as a vertical member, a horizontal member, and a diagonal member of a wooden building, and the wooden structural material is a main material and a pair arranged on both side surfaces of the main material. It is a joining structure that joins the main material and the pair of side materials, and the main material and the pair of side materials are fastened and joined by fastening bolts and their nuts. The main material and the pair of side materials are joined by a plurality of structural screws arranged around the fastening bolts, and adjacent to both side surfaces of the main material in which the pair of side materials are arranged. A pair of gripping plates arranged on both side surfaces of the other side to be fitted, and a gripping plate arranged through the main material between the pair of gripping plates to grip the other side surface of the main material. It is a joint structure of a wood structural material characterized by being provided with bolts and nuts thereof .

The invention according to claim 3 is characterized in that the structural screw has a full-screw structure in which the entire peripheral portion of the shaft portion excluding the head portion is a male screw.

Further, the invention according to claim 4 is a wooden structural material such as a vertical member, a horizontal member, and a diagonal member of a wooden building, and the wooden structural material is a main material and a pair arranged on both side surfaces of the main material. It is a joining tool for joining the main material and the pair of side materials, and is a fastening bolt and a nut for fastening and joining the main material and the pair of side materials, and the main material. It is provided with a plurality of structural screws arranged around the fastening bolt for joining the lumber and the pair of side members, and the structural screw is centered on the axis of the fastening bolt. It is a jointing tool for wooden structural materials, which is characterized by being arranged on a virtual circle .

Further, the invention according to claim 5 is a wooden structural material such as a vertical member, a horizontal member, and a diagonal member of a wooden building, and the wooden structural material is a main material and a pair arranged on both side surfaces of the main material. A fastener for joining the main material and the pair of side materials, which is composed of the side materials of the above, and is a fastening bolt and a nut thereof for fastening and joining the main material and the pair of side materials, and the main material. A plurality of structural screws arranged around the fastening bolt for joining the lumber and the pair of side members are provided, and both side surfaces of the main material on which the pair of side members are arranged. A pair of gripping plates arranged on the other side surfaces adjacent to each other and a pair of gripping plates are arranged through the main material between the pair of gripping plates to grip the other side surfaces of the main material. It is a joiner for a wooden structural material, characterized in that it is provided with a holding bolt and a nut thereof .

As described above, in the inventions of claims 1 and 4, the present invention is a wooden structural material such as a vertical member, a horizontal member, and a diagonal member of a wooden building, and the wooden structural material is a main material and a main material. It is composed of a pair of side materials arranged on both side surfaces of the main material, and has a joining structure that joins the main material and the pair of side materials. Since it is fastened and joined by a nut, the main material and the pair of side members can be fastened and joined by the fastening bolt and the nut thereof, and the main material and the pair of side members can be fastened and joined to each other by the fastening bolt. In addition, the main material and the pair of side materials are joined by a plurality of structural screws arranged around the fastening bolts. Therefore, by rotating a bit such as an electric tool, structural screws can be directly screwed into the wood structural material without making a pilot hole, further improving on-site workability, and using the main material and a pair of side materials. Can be reliably joined, and the joining strength against tensile load, compressive load and bending load applied to each wood structural material can be improved , and the structural screw is on a virtual circle centered on the axis of the fastening bolt. Since it is arranged in a plurality of pieces, the tensile load, compression load and bending load applied to each wood structural material composed of the main material and the pair of side materials can be distributed as evenly as possible, and the joint strength can be improved. Can be improved.

Further, in the inventions of claims 2 and 5 , the wood structural material is a vertical material, a horizontal material, a diagonal material, etc. of a wooden building, and the wood structural material is a main material and both side surfaces of the main material. It is composed of a pair of side materials arranged in, and has a joining structure that joins the main material and the pair of side materials. The main material and the pair of side materials are fastened and joined by fastening bolts and their nuts. Therefore, the main material and the pair of side members can be fastened and joined by the fastening bolts and their nuts, and the main material and the pair of side members can be mutually positioned by the fastening bolts. In addition, the main material and the pair of side materials are joined by a plurality of structural screws arranged around the fastening bolts, so that the power tool can be used. By rotating a bit such as, the structural screw can be directly screwed into the wooden structural material without making a pilot hole, further improving on-site workability, and securely joining the main material and the pair of side materials. It is possible to improve the joint strength against the tensile load, compressive load and bending load applied to each wood structural material, and the other side surface adjacent to both side surfaces of the main material in which the pair of side materials are arranged. A pair of gripping plates arranged in the above, and a gripping bolt and a nut thereof which are arranged through the main material between the pair of gripping plates and grip the other side surfaces of the main material. The pair of gripping plates can prevent the wood structural material from splitting and breaking due to the tensile load, compressive load, and bending load applied to the wood structural material. The bonding strength to the material can be improved, and the structural design can be easily performed.

Further, in the invention according to claim 3 , since the structural screw has a full-screw structure in which the entire circumference of the shaft portion excluding the head is a male screw, a part of the shaft portion is formed. Unlike the half-screw structure, which is a male screw, the main material and the pair of side materials cannot be tightened together, but the main material and the pair of side materials are separated by fastening bolts and their nuts. Since it is fastened and joined, there is no problem even if it is a full-thread structure, and the full-thread structure can obtain the effect of being stronger against tensile load than the half-thread structure. It is possible to improve the bonding strength to the pair of side members.

It is a partial perspective view of the first embodiment of the present invention. It is a partial front view of the 1st embodiment of the present invention. It is a partial plan sectional view of the 1st Embodiment of this invention. It is a partial side sectional view of the 1st Embodiment of this invention. It is a partially disassembled perspective view of the first embodiment of the present invention. It is a partial explanatory view of the 1st Embodiment of this invention. It is a partial explanatory view of the 2nd Embodiment of this invention. It is a partial perspective view of the third embodiment of the present invention. It is a partial perspective view of the 4th embodiment of this invention. It is a partial front view of the fifth embodiment of the present invention.

1 to 10 are examples of the embodiment of the present invention, FIGS. 1 to 6 are examples of the first embodiment, FIG. 7 is an example of the second embodiment, and FIG. 8 is an example of the third embodiment. FIG. 9 is an example of the fourth embodiment of the embodiment, and FIG. 10 is an example of the fifth embodiment of the embodiment.

In the first embodiment of the implementation of FIGS. 1 to 6, as shown in FIGS. 1, 2, and 3, the wood structural material W such as the vertical member V, the horizontal member H, and the diagonal member of the wooden building is made of wood. The structural material W is composed of a main material M and a pair of side materials S and S arranged on both side surfaces of the main material M, and the main material M is a wooden structural material W as a horizontal member H and a pair of side materials S. -S is a framework of the wood structural material W which is regarded as the vertical material V, and is a joint structure for joining the main material M and the pair of side materials S and S. In this case, the above-mentioned joint structure is formed. In the joint portion J to be joined, the main material M and the pair of side materials S / S are fastened and joined by the fastening bolt 1 and the nut 2 thereof, and the main material M and the pair of side materials S / S are previously joined. One through pilot hole F, F, F for inserting the fastening bolt 1 is formed in S, and the position of the fastening bolt 1 is the center position of the joint portion J, for example, the central axis of the width of the main material M. And the intersection C of the width of the pair of side members S / S with the central axis, and in addition, the main material M and the pair of side members S / S are arranged around the fastening bolt 1. It is joined by a number of structural screws 3.

Further, in this case, as shown in FIG. 5, the structural screw 3 ... Has a full screw structure in which the entire circumference of the shaft portion 3b excluding the head portion 3a is a male screw T, and the head portion 3a has a full screw structure. A cross groove, a hexagonal groove, a groove recess 3c such as a hex into which a bit of an electric tool or the like (not shown) can be fitted and removed is formed, and a structural screw 3 ... The structure is such that it can be screwed in directly without making a hole, and in this case, as shown in FIGS. 2, 4, and 6, the structural screws 3 ... Are the central axis of the width of the main material M and the pair. The axis P of the fastening bolt 1 is arranged at the intersection C with the central axis of the width of the side members S and S, and a plurality of large and small virtual circles D and d centered on the axis P of the fastening bolt 1. A plurality of structural screws 3 ... Are arranged alternately at equal distribution positions, in this case, 10 equal distribution positions. It should be noted that the plurality of structural screws 3 ... Are not limited to the virtual circle, but may be arranged on a virtual quadrangle or any other shape.

Further, in this case, as shown in FIGS. 2, 4, and 5, at the position corresponding to the joint portion J, the other side adjacent to both side surfaces of the main material M in which the pair of side materials S and S are arranged. It is arranged through the main material M between the pair of gripping plates KK arranged on both side surfaces and the pair of gripping plates KK, and grips the other both sides of the main material M. It is configured to include a gripping bolt 4 and a nut 5 thereof.

Since the first embodiment of this embodiment has the above configuration, as shown in FIGS. 1, 2, and 3, the vertical member V, the horizontal member H, the diagonal member, and the like are used as the wooden structural material W of the wooden building, and the wooden structure is used. The structural material W is composed of a main material M and a pair of side materials S / S arranged on both side surfaces of the main material M, and has a joining structure for joining the main material M and the pair of side materials S / S. The main material M and the pair of side members S / S are fastened and joined by the fastening bolt 1 and its nut 2, and in addition, the main material M and the pair of side members S / S are fastened to the fastening bolt 1. Since it is joined by a plurality of structural screws 3 ... Surrounded by the periphery, the main material M and the pair of side materials S / S are fastened and joined by the fastening bolt 1 and its nut 2. The main material M and the pair of side materials S / S can be positioned with each other by the fastening bolts 1, and the workability in the field can be improved. In addition, the pair with the main material M Since the side materials S and S are joined by a plurality of structural screws 3 ... Surrounded around the fastening bolt 1, the structural screws 3 ... are formed by rotating a bit of an electric tool or the like. It can be screwed directly into the wooden structural material W without making a pilot hole, further improving on-site workability, and the main material M, the pair of side materials S / S and the structural screw 3 ... There is no clearance between the outer peripheral surface, and the main material M and the pair of side materials S / S can be joined securely and with high integrity without looseness or looseness due to gaps. It is possible to improve the joint strength against the applied tensile load, compressive load and bending load.

Further, in this case, as shown in FIG. 5, since the structural screw 3 ... Has a full screw structure in which the entire circumference of the shaft portion 3b excluding the head portion 3a is a male screw T, the shaft portion 3b Unlike the half-screw structure in which a part of the main material M is a male screw T, the main material M and the pair of side materials S / S cannot be brought close to each other and tightened, but the main material M and the pair of sides Since the materials S and S are fastened and joined by the fastening bolt 1 and its nut 2, there is no problem even with a full-threaded structure, and the full-threaded structure is more resistant to tensile load than the half-threaded structure. It is possible to obtain the effect of the above, and to that extent, the bonding strength to the main material M and the pair of side materials S / S can be improved, and in this case, as shown in FIGS. 2, 4, and 6. Since the structural screws 3 ... Are arranged in a plurality of large and small virtual circles D / d centered on the axis P of the fastening bolt 1, the main material M and the pair of side materials S. The tensile load, compressive load, and bending load applied to each of the wood structural materials W / W made of S can be distributed as evenly as possible, and the joint strength can be improved.

Further, in this case, as shown in FIGS. 2, 4, and 5, at the position corresponding to the joint portion J, the other side adjacent to both side surfaces of the main material M in which the pair of side materials S and S are arranged. It is arranged through the main material M between the pair of gripping plates K and K arranged on both side surfaces and the pair of gripping plates K and K, and grips the other both sides of the main material M. Since it is configured to include the gripping bolt 4 and its nut 5, it depends on the tensile load, compressive load, and bending load applied to the wood structural material W / W at the joint portion J by the pair of gripping plates K / K. It is possible to prevent splitting and breaking of the wood structural materials W and W, and to that extent, it is possible to improve the joint strength between the main material M and the pair of side materials S and S, and the structural design can be easily performed. ..

The second embodiment example of FIG. 7 shows another example structure, and in this case, the structural screw 3 ... is a pair with the central axis of the width of the main material M as compared with the first embodiment example. The axis P of the fastening bolt 1 is arranged at the intersection C with the center axis of the width of the side members S and S of Arrangement positions, in this case, are arranged at 10 equal arrangement positions.

The third embodiment example of FIG. 8 also shows another example structure, and in this case, as compared with the first embodiment example, the main material M is a wooden structural material W as a horizontal member H and a pair of side materials S. -S is a framework of a wooden structural material W, which is a vertical material V, and further has a structure in which a pair of holding plates K and K are eliminated.

The fourth embodiment of FIG. 9 also shows another example structure, and in this case, as compared with the first embodiment, the main material M is a wooden structural material W as a vertical material V and a pair of side materials S. S is a framework of a wooden structural material W, which is a horizontal member H.

The fifth embodiment of FIG. 10 also shows another example structure. In this case, as compared with the first embodiment, the main material M is a wooden structural material W as a horizontal member H and a pair of side materials S. -S is the framework of the wood structural material W, which is the diagonal material I.

Even in the second embodiment of FIG. 7, the third embodiment of FIG. 8, the fourth embodiment of FIG. 9, and the fifth embodiment of FIG. 10, the first embodiment of the above-mentioned embodiment is shown. It is possible to obtain the same action and effect as the morphological example.

The present invention is not limited to the above embodiment, and the vertical member V, the horizontal member H, the diagonal member I, the wood structural material W, the main material M, the side materials S / S, and the holding plate K. The K, the fastening bolt 1, the nut 2, the structural screw 3, the arrangement position of the structural screw 3, the gripping bolt 4, the structure of the nut 5 and the like are appropriately modified and designed.

As mentioned above, the intended purpose can be sufficiently achieved.

V Vertical material H Horizontal material I Slanted material W Wood structural material M Main material S Side material T Male screw P Axis line D Virtual circle d Virtual circle K Holding plate 1 Fastening bolt 2 Nut 3 Structural screw 3a Head 3b Shaft 4 Holding bolt 5 Nut

Claims (5)

It is a wooden structural material such as vertical material, horizontal material, diagonal material, etc. of a wooden building, and the wooden structural material is composed of a main material and a pair of side materials arranged on both side surfaces of the main material, and the main material. It is a joining structure for joining the main material and the pair of side materials, and the main material and the pair of side materials are fastened and joined by fastening bolts and nuts thereof, and in addition, the main material and the pair of side materials are joined. Is joined by a plurality of structural screws arranged around the fastening bolt, and the structural screws are arranged on a virtual circle centered on the axis of the fastening bolt. The joint structure of the wooden structural material. It is a wood structural material such as vertical material, horizontal material, and diagonal material of a wooden building, and the wood structural material is composed of a main material and a pair of side materials arranged on both side surfaces of the main material. It is a joining structure for joining the main material and the pair of side materials, and the main material and the pair of side materials are fastened and joined by fastening bolts and nuts thereof, and in addition, the main material and the pair of side materials are joined. Is joined by a plurality of structural screws arranged around the fastening bolt, and is arranged on both side surfaces of the main material adjacent to both sides of the main material in which the pair of side materials are arranged. It is provided with a gripping bolt and a nut thereof, which are arranged through the main material between the pair of gripping plates and grip the other both sides of the main material . A joint structure of wood structural materials characterized by this. The joint structure of a wood structural material according to claim 1 or 2 , wherein the structural screw has a full-thread structure in which the entire circumference of the shaft portion excluding the head is a male screw. It is a wooden structural material such as vertical material, horizontal material, diagonal material, etc. of a wooden building, and the wooden structural material is composed of a main material and a pair of side materials arranged on both side surfaces of the main material, and the main material. It is a joining tool for joining the main material and the pair of side materials, and joins the fastening bolt and its nut for fastening and joining the main material and the pair of side materials, and the main material and the pair of side materials. It is provided with a plurality of structural screws arranged around the fastening bolt, and the structural screws are arranged on a virtual circle centered on the axis of the fastening bolt. A fitting for wooden structural materials characterized by. It is a wooden structural material such as vertical material, horizontal material, diagonal material, etc. of a wooden building, and the wooden structural material is composed of a main material and a pair of side materials arranged on both side surfaces of the main material, and the main material. It is a joining tool for joining the main material and the pair of side materials, and joins the fastening bolt and its nut for fastening and joining the main material and the pair of side materials, and the main material and the pair of side materials. It is provided with a plurality of structural screws arranged around the fastening bolt, and is arranged on the other side surface adjacent to both side surfaces of the main material in which the pair of side materials are arranged. It is provided with a pair of gripping plates and a gripping bolt and a nut thereof that are arranged through the main material between the pair of gripping plates and grip the other both sides of the main material. A jointing tool for wooden structural materials, which is characterized by being made of wood.

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