JP2002088929A - Connector, and connecting structure and method for structural members using the connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector which has practical connecting strength with respect to its joint structure, does not damage a connecting portion due to a difference in thermal expansion, is light in weight, can be easily cut by a saw or the like, is formed of vegetable materials, thereby contributing to inhibition of generation of carbon dioxide being a cause of global warming, can be burned and buried in the ground, thereby contributing to reduction or fixation of carbon dioxide present in the air, and can be mass-produced at a low cost, and to provide a connecting structure and a connecting method for structural members. SOLUTION: The connector is provided with a bar member 2 and a hollow portion 4. The bar member 2 is nearly circular, elliptic, or polygonal in cross section, shaped like a straight or a bent bar, and formed of a wooden material such as a ceder, a bamboo material such as a long-jointed bamboo, a glued laminated wood, a laminated material, or paper, or a combination thereof. The hollow portion 4 is formed in the bar member 2 in its longitudinal direction and opens at both ends 3 or one end 3 of the bar member 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joining tool for joining a plurality of structural members made of glulam, laminated material, wood, concrete, stone, or the like, a joining structure of the structural members using the same, and an inter-structure member. It relates to a joining method.

[0002]

2. Description of the Related Art In recent years, joints have been developed for joining beams and eaves girder, eaves girder and column, and girder and through column for the purpose of labor saving and rationalization of construction of houses and the like. As a conventional connector, Japanese Patent Application Laid-Open No. 5-331919 (hereinafter referred to as “A”) discloses “a connector, a method of bonding structural members using the same, and a bonding structure between structural members”. I have. The connector disclosed in Japanese Patent Publication No. A-200 is a linear or bent rod-shaped member formed of a metal such as iron or an organic or inorganic fiber such as carbon fiber, boron fiber, glass fiber, or metal fiber and a synthetic resin. It has a configuration including a member and a hollow portion formed in the longitudinal direction of the rod-shaped member and opened at both ends of the rod-shaped member.

[0003] Further, as another connector, Japanese Patent Laid-Open No.
No. 322839 (hereinafter referred to as “B” publication)
A "joint" is disclosed. The connector disclosed in the Japanese Patent Application Publication No. H06-27139 is made of a metal such as iron, a composite material of an organic or inorganic fiber such as carbon fiber, boron fiber, glass fiber, and metal fiber, and a synthetic resin, or a cement or the like. A rod-shaped member formed of ceramics and a composite thereof, a concave portion formed in the longitudinal direction of the rod-shaped member, and a pipe-shaped portion fitted into the concave portion.

[0004]

However, the above-mentioned conventional connector has the following problems. (1) When a wooden building is discarded and incinerated, carbon dioxide, which is a kind of greenhouse gas stored in the wood, is released into the air and promotes global warming. It is desirable to repair and reuse. However, since the joints disclosed in the publications A and B are made of materials such as metal, organic and inorganic fibers, and synthetic resin, the wooden building constructed using the joints is repaired or reused. When dismantling, the joints are hard and can not be cut at the joint surface, and even if it can be cut, the joints are exposed on the cut surface, so the appearance is damaged, the joints are corroded,
There was a problem that condensation was easily caused. (2) Therefore, when repairing or reusing such a wooden building, it is necessary to remove the portion where the joints are fixed, so that a portion that cannot be reused is generated and discharged as industrial waste. It had a problem and a problem that it could not be reused. (3) When a wooden building constructed by using the joints disclosed in the publications A and B is incinerated, a joint made of a material such as metal, organic or inorganic fiber, and synthetic resin is placed in the incinerator. In the incinerator and the air. (4) Therefore, when such a wooden building is discarded or incinerated, the joint must be separated from the wooden building, but it is difficult to separate the joint from the wooden building because it is fixed with an adhesive. Or it had the subject that it was difficult. (5) The joints may expand and contract due to oxidation of the metal joints and the difference in thermal expansion between the metal or synthetic resin joints and the wood, thereby damaging the joints of the wood. At times, it is necessary to pay attention to the selection and filling method of the adhesive that can completely cover the surface of the joint and block the air, and can reduce the thermal expansion difference with metal or synthetic resin. Had. (6) Since the metal joining tool has a large specific gravity, the installer has a problem that it cannot be transported in large quantities at a time and lacks transportability. (7) There is a problem that a large amount of energy resources are consumed to produce a metal or synthetic resin joint, and that carbon dioxide is generated to contribute to global warming.

The present invention solves the above-mentioned conventional problems and has a practical joint strength in a joint or a joint structure, does not cause damage to a joint due to a difference in thermal expansion, is lightweight and can be used with a saw or the like. Incineration and landfill that can be easily cut and uses plant-based materials to suppress the generation of carbon dioxide that contributes to global warming, reduce carbon dioxide in the air, and fix carbon dioxide Possible to mass-produce joints that can be mass-produced at low cost, and can simplify the processing technology of joints, joints or joints, and have excellent mechanical strength such as compressive strength and tensile strength of joints, and have improved earthquake resistance and excellent reliability. It is an object of the present invention to provide a joining structure between joined structural members, and a joining method for joining members which can be obtained in a short period of time and have excellent workability.

[0006]

Means for Solving the Problems In order to solve the above-mentioned conventional problems, a joining tool of the present invention, a joining structure of a structural member using the same, and a joining method between the structural members have the following structures. are doing.

According to a first aspect of the present invention, there is provided the connector according to the first aspect of the present invention, wherein the cross-section is any one of a circle, a circle, and a polygon, and a bamboo material such as cedar, hinoki and oak;
Glued laminated material, laminated material, or paper material, or a rod-shaped member formed in a linear or bent shape by combining them, and both ends or one end of the rod-shaped member formed in the longitudinal direction in the axial direction of the rod-shaped member And a hollow portion opening at the portion. With this configuration, the following operation can be obtained. (1) Since the bar-shaped member is made of wood or bamboo, etc., which are easily produced, easily available, and cut around the world, it can be mass-produced at low cost, and can be used for joining DIY, furniture, toys, signs, etc. Can be easily applied. (2) Since the rod-shaped member is made of wood, bamboo, or the like, which is lighter than metal, the burden on the manufacturer and the installer when transporting can be reduced, the transport can be performed at low cost, and the workability is excellent. (3) Since the rod-shaped member is made of wood, bamboo, or the like, when the structural member is a laminated wood, a laminated material, or wood, the difference in thermal expansion between the rod-shaped member and the structural member is equal to zero. Therefore, it is only necessary to select an adhesive that does not consider the thermal expansion difference and considers only the affinity, so that the adhesiveness is excellent and the reliability of the joint is excellent. (4) Since the bar-shaped member is made of wood, bamboo, etc., when repairing or reusing the structural member joined using the joint, it is easy to cut with a saw or the like at the joint surface where the joint is inserted. And excellent reusability. (5) Even if the structural members constructed using the joints have to be discarded, the joints made of wood, bamboo, etc. can be easily incinerated, so they can remain or melt in the incinerator. It does not pollute the inside of the incinerator and the air, and is excellent in environmental conservation. In addition, since a plant-based material is used, it is decomposed in soil and can be landfilled. (6) By changing the length, diameter, and number of rod-shaped members, structural members of various lengths and sizes can be joined, and the versatility is excellent. (7) Waste materials and scrap materials such as scraps and sawdust can also be used as raw materials for rod-shaped members as glued laminated materials or laminated materials, so that wood resources and bamboo resources can be used effectively, which is excellent in resource saving and garbage emissions. Can be reduced and the environmental preservation is excellent. (8) Depending on the type of bamboo, even a bamboo material that cannot be used as it is as a rod-shaped member depending on the type is processed into a laminated material or a laminated material according to the type of bamboo, so that the bamboo material has a certain shape, size and It is possible to produce rod-shaped members with standardized quality, and it is excellent in productivity. (9) If the bar-shaped member is produced from paper made of waste paper, the consumption of waste paper generated as a result of paper recycling can be increased, the production of waste paper can be promoted, and the recycling of paper can be promoted. Excellent resource. (10) Even in the case of a joint between structural members in which the place for inserting the joint is limited, the rod-shaped member provided with an opening in the hollow portion at one end or provided at both ends. Can be selected as needed to join the structural members, which is excellent in versatility. (11) Since a plant-based material such as wood or bamboo is used as a raw material for the rod-shaped member, it suppresses the generation of carbon dioxide, which is a cause of global warming generated during production when made of metal or synthetic resin. At the same time, carbon dioxide in the air can be reduced and carbon dioxide can be fixed, and the environment is excellent. (12) Since wood and bamboo are excellent in tensile strength and bending strength, practical bonding strength of the joint can be obtained. In addition, by forming the rod-shaped member into various shapes according to the joint, It can withstand the generated bending, shear, tension and compression stresses.

Here, the cross-sectional shape of the rod-shaped member is substantially circular,
It is formed in a substantially elliptical shape or a substantially polygonal shape such as a triangle, a quadrangle, and a hexagon. When the cross-sectional shape is formed into a substantially elliptical shape or a substantially polygonal shape, the occurrence of torsion and the like due to the rotation of the rod-shaped member is prevented, and the joining portion can be joined as designed without requiring skill in work. It is also preferable because the working time can be reduced. Further, it is desirable that the diameter of the hollow portion for the inflow of the adhesive formed in the longitudinal direction of the rod-shaped member is formed small enough not to hinder the inflow of the adhesive. This is because the mechanical strength such as bending, shear, and tensile strength of the rod-shaped member is not reduced. In the case where, for example, a natural hollow portion of bamboo is used as the hollow portion of the rod-shaped member, the diameter of the hollow portion may be large. Because the strength of the bamboo material is significantly higher on the outer skin side than on the inner skin side, the strength does not decrease significantly even if the diameter of the hollow part is large, and there is almost no relationship between the diameter of the hollow part and the strength. . Further, the shape of the end portion of the rod-shaped member may be any of a bulged shape, a flat shape, a concave shape, and the like, but a flat end surface is preferably used in order to increase the cross-sectional area of the rod-shaped member and secure high strength. When an adhesive guide portion such as a groove for guiding the injected adhesive to the outer surface is formed, the adhesive can be smoothly guided between the surface of the rod-shaped member and the peripheral wall of the communication hole. Since the workability can be improved, a shape having a slit-shaped groove for flowing out the adhesive is preferably used. Further, it is preferable that one end is formed in a concave shape corresponding to the shape of the tip of the adhesive injection nozzle, because the tip of the adhesive injection nozzle can be easily inserted and the adhesive can be easily injected. Also, the hollow portion of the rod-shaped member
Perforating from the end face of a solid rod-shaped member, removing wood or bamboo flakes or paper material from a core material, using an adhesive or the like to remove the core material, or removing the core material After the core material is compression-molded together with the core material, the core material can be removed and the like can be formed. Also, a plurality of grooves each having a V-shaped cross section are formed on one surface of a laminated material, a laminated board, or the like, and an adhesive is applied to the V-shaped grooves and then wound and adhered by the V-shaped grooves. It can be formed by preparing two sheets each having a plurality of semicircular grooves formed on one surface, bonding the semicircular grooves together, bonding the cuts, and grinding the outer peripheral surface. The inner wall of the hollow portion is preferably mirror-finished to reduce the inflow resistance of the adhesive.

Here, as a material of the rod-shaped member, fir,
Woods such as pine, cedar, hinoki, hemlock, beech, zelkova, oak, lauan, teak, oak, hiba, spruce, spruce, pine, redwood, oak, hickory, bamboo and medusa etc. ,
Bamboo materials such as bamboo grass such as suzudake, yadake, kumazasa, etc., laminated materials, laminated materials, and paper materials are used.

Among them, bamboo has a higher mechanical strength than beech, which is a representative wood having high mechanical strength. A joint structure having high mechanical strength can be obtained as compared with a joint structure formed by processing. Bamboo is a tough material with a high fiber density near the outer skin side. For example, the mechanical strength of bending (186Mp bending strength)
a, Compression strength 73Mpa, Tensile strength 243Mpa, Shear strength 17Mpa) is the mechanical strength of beech (Bending strength 98Mpa, Compression strength 44Mpa, Tensile strength 132Mpa, Shear strength 13Mp)
This is because it is higher than a). Further, when bamboo is cut down by using bamboo as an industrial member, the fixation of carbon dioxide, which causes global warming, to the bamboo forest can be promoted to protect the global environment. The ability of trees and bamboo to fix carbon dioxide deteriorates with age, but bamboo reaches a height of 10 to 20 m in a few months from bamboo shoots and grows almost completely in 3 to 4 years. The bamboo resources are the earliest bamboo resources, and the bamboo resources are available every day if the amount of logging is equivalent to the amount of bamboo shoots from the existing bamboo forest.
If aged bamboo is cut down and used as bamboo, the bamboo forest resources can be maximized without depleting the bamboo resources. Since bamboo has a higher fiber density and is tougher as it is closer to the outer skin side, it is preferable that the bamboo be cut out and processed in parallel with the longitudinal direction while leaving a portion closer to the outer skin side and used as a rod-shaped member. In addition, bamboo is a bamboo material resource having a natural hollow part between nodes, so if it is a rod-shaped member that makes the natural hollow part of the bamboo as it is while leaving the part close to the outer skin side, it is tough. This is preferable because a rod-shaped member can be obtained and the need for drilling a hollow portion is eliminated.

[0011] Further, as a laminated material or a laminated material, a laminated plate or a small angle material is laminated and bonded in the length, thickness or width direction with its fiber direction parallel to each other, and continuously peeled off from a log. The fiber directions of the sheet-like wood and bamboo materials formed by aligning or orthogonally intersecting with each other are laminated or bonded to veneer, plywood, and veneer bamboo. Single-layer laminated material laminated in the same manner as described above, oriented strand board obtained by giving directionality to the stranded strands and orthogonally orienting the surface layer and the core layer to form an adhesive, and arranging the stranded strands into a rod shape, crushing A particle board formed by adding an adhesive to the obtained small pieces, a fiber board formed by adding an adhesive to defibrated fibers, or the like is used. Furthermore, a sheet-like wood or bamboo material formed by continuously peeling off from a log is wound around a core material and bonded to form a rod-shaped member having a hollow portion, and a hollow portion such as a bamboo material is formed. An inner cylinder is inserted into an outer cylinder having an outer cylinder or a hollow part formed into a hollow member, and the inner cylinder is molded as a rod-shaped member. Filled and press-molded products are also used. Pressure molding is preferable because a rod-shaped member having various shapes such as a straight shape or a bent shape, a length, a thickness, and the like can be formed, and a hollow portion and a branch pipe can be integrally formed. Note that the laminated material and the laminated material are preferably formed by mixing carbon fibers, metal fibers, ceramic fibers, and the like, because the rigidity is improved. In addition, it is preferable to form by winding a cloth formed of carbon fiber, metal fiber, ceramic fiber, or the like, since the rigidity is further improved. Here, if an insect repellent, an antiseptic, an antibacterial, a flame retardant, etc. are mixed with the adhesive during the production of the laminated material or the laminated material, the insect repellent, Treatments such as antiseptic, antibacterial, and flame retardant can be performed, which is preferable. Insect control, antiseptic, antibacterial and flame retardant treatments are not only mixed with adhesives during the production of laminated materials and laminated materials, but also
Surface treatment such as application, spraying, immersion, etc. of wood, bamboo, glued laminated wood, laminated wood, or rod-like members formed from them, with chemicals such as insect repellent, antiseptic, antibacterial, flame retardant, etc. It is preferable to perform a diffusion treatment, a hot / cold bath treatment, a decompression / pressure treatment, or the like immersed in a chemical solution or a chemical solution, since resistance to insect repellency, preservation, and the like can be effectively increased. As an insect repellent treatment, it is also effective to remove nutrients such as starch and sugar from wood, bamboo, glued laminated wood and laminated wood.

Further, as the paper material, a paper material made of a sheet-like recycled paper or the like to which an adhesive has been applied is wound around a core material and formed, and then the core material is removed and formed as a rod-shaped member having a hollow portion. Is used. Use of recycled paper is preferable because paper can be recycled.

According to a second aspect of the present invention, there is provided the connector according to the first aspect, wherein the rod-shaped member has an outer cylinder opened at both ends or one end, and a shaft inserted into the outer cylinder. And at least one or more inner cylinders having a hollow portion formed in the longitudinal direction and open at both ends or one end. With this configuration, the following operation is obtained in addition to the operation obtained in the first aspect. (1) The outer cylinder is formed of wood or bamboo having high tensile strength or bending strength, and the inner cylinder is formed by inserting an inner cylinder made of paper or glue having high compressive strength into the outer cylinder. By combining outer and inner cylinders made of various materials according to the requirements and complementing the mechanical characteristics, it is possible to withstand various stresses such as shear, compression, tension, bending, etc. applied to the joint, and to improve the reliability of the joint. Excellent in resource efficiency and effective utilization of resources. (2) When a natural bamboo material having a hollow portion is used as a rod-shaped member, there is a problem that if the diameter of the hollow portion is large, the injection time and amount of the adhesive increase, and the cost of construction and the adhesive increases. By inserting a natural bamboo material into an outer cylinder and inserting an inner cylinder having a small-diameter hollow portion into the hollow portion, the diameter of the hollow portion of the rod-shaped member can be reduced, thereby shortening the injection time of the adhesive and reducing the injection amount. Can be reduced, and the productivity is excellent. (3) Since the outer diameter of the hollow portion can be reduced and the rod-shaped member can be made closer to a solid, the shear strength is excellent. (4) Further, the outer diameter of the hollow portion can be made uniform,
Since an adhesive injection nozzle having a diameter corresponding to the outer diameter may be prepared, the workability at the time of adhesive injection is excellent.

Here, the outer cylinder and the inner cylinder are integrally bonded together with the structural member by an adhesive in the structural member.
Various joining methods and joining states can be used. For example, joining is performed by bonding, fitting, binding with a string, or the like.

According to a third aspect of the present invention, there is provided the connector according to the first aspect, wherein, instead of the hollow portion, a predetermined length at one end or in the vicinity thereof in the longitudinal direction of the outer periphery of the rod-shaped member. A concave portion formed from the portion to the other end portion or a predetermined portion in the vicinity thereof, one end portion of the concave portion being opened near the end portion or the predetermined portion of the rod-shaped member, and the other end portion being the other end portion or the predetermined portion of the rod-shaped member. A pipe-shaped part that is extended from the part and is fitted for a predetermined length,
Is provided. With this configuration, the following operation is obtained in addition to the operation described in the first aspect. (1) Since only a concave portion for abutment or fitting of the pipe-shaped portion is formed on the outer surface of the rod-shaped member, a connector can be made extremely easily. (2) Since the pipe-shaped part can be selected according to the joining place,
Workability and workability can be improved or expanded.

Here, the pipe-shaped portion is made of a tubular material, and is made of a material made of wood, bamboo, laminated wood, laminated material, paper, or a combination thereof, like the rod-shaped member. Further, the shape of the pipe-shaped part is formed in a cross section such as a polygonal shape such as a round shape, a triangular shape or a quadrangular shape, a camo-boko shape or the like. Irregularities, rough surfaces, and the like may be formed on the surface of the pipe-like portion as well as the rod-like member. As a buffer for the adhesive,
This is because a function of imparting an anchor effect and improving the adhesive strength can be obtained. Further, since the rod-shaped member and the pipe-shaped portion are integrally bonded together with the structural member by an adhesive in the structural member, various bonding methods and bonding states can be used, for example, bonding, fitting, strings and wires. Are wound and joined with a string-like material such as. Preferably, the inner wall of the pipe-shaped portion is mirror-finished to reduce the inflow resistance of the adhesive.

According to a fourth aspect of the present invention, there is provided the connector according to any one of the first to third aspects, wherein the connector is provided at one opening of the hollow portion or the pipe portion. A branch pipe made of a tubular material is fixed to a hole formed in the hollow portion or a predetermined portion in the longitudinal direction of the pipe-like portion so as to be substantially perpendicular to the axial direction. With this configuration,
In addition to the effect obtained in any one of claims 1 to 3,
The following operation is obtained. (1) The adhesive can be easily injected from the outside of the structural member into the hollow portion or the pipe-shaped portion of the rod-shaped member inserted into the joint of the joint and the joint, and the workability and the reliability of the joint are excellent. . (2) By appropriately using branch pipes according to the construction site,
The adhesive can be easily injected into the hollow portion or the pipe-shaped portion of the rod-shaped member, and is excellent in versatility. (3) When the branch pipe is made of wood, bamboo, or the like when the structural member is a laminated wood, a laminated material, or wood, the difference in thermal expansion between the branch pipe and the structural member becomes equal to zero, and the branch pipe is inserted into the structural member. Even if it is sealed in a space, no load is applied to the joint due to the difference in thermal expansion, and the reliability is excellent.

Here, the outer diameter of the branch pipe is formed to be substantially the same as or smaller than the rod-shaped member or the pipe-shaped part. The branch pipe and the rod-shaped member or the pipe-shaped part are screwed into the threaded hole formed in the rod-shaped member or the pipe-shaped part, and the branch pipe and the rod-shaped member or the pipe-shaped part are brought into contact with each other and bonded with an adhesive. The branch pipe is inserted into a hole formed in the rod-shaped member or the pipe-shaped part, or a branch pipe provided with a fitting groove is fitted to an end of the rod-shaped member or the pipe-shaped part. Removably fixed. Further, it may be formed as an integral body by performing pressure molding or the like in a mold. The branch pipe has a cross section of a round shape, a polygonal shape such as a triangular or quadrangular shape, or the like. Irregular portions, rough surface portions, and the like may be formed on the surface of the branch pipe similarly to the rod-shaped member. As a buffer for the adhesive,
This is because a function of imparting an anchor effect and improving the adhesive strength can be obtained. Further, the material of the branch pipe is preferably made of the same wood, bamboo material, glued laminated material, laminated material, or paper material as the material of the rod-shaped member or the pipe-shaped portion, or a combination thereof. If it is detachably fixed to the pipe or the pipe-like portion, the branch pipe may be formed of metal or synthetic resin. After finishing the injection of adhesive, remove the branch pipe made of metal or synthetic resin from the rod-shaped member or pipe-shaped part,
This is because the branch pipe does not remain in the structural member. Further, a slit-shaped or cross-shaped groove portion into which a driver or the like is inserted is formed at one end of the branch pipe, and the other end is screwed into a hole formed in a rod-shaped member or a pipe-shaped portion. By doing so, when removing the branch pipe from the rod-shaped member or the pipe-shaped part after the injection of the adhesive, the branch pipe can be easily removed with a screwdriver or the like, which is excellent in convenience. Also, if a plurality of annular grooves are formed on the outer peripheral surface of the branch pipe, the branch pipe protruding from the communication hole formed in the structural member and the branch pipe insertion portion is bent and removed from the groove after the adhesive is injected. Can be excellent in convenience. Preferably, the inner wall of the branch pipe is mirror-finished to reduce the inflow resistance of the adhesive.

According to a fifth aspect of the present invention, there is provided the connector according to any one of the first to fourth aspects, wherein an uneven portion or a rough surface portion is provided on all or a part of the surface of the rod-shaped member. It has a formed configuration. With this configuration, claims 1 to 4
In addition to the function obtained by any one of the above, the following function is obtained. (1) The uneven portion formed on the surface of the rod-shaped member functions as a buffer for the adhesive flowing out from the other end of the rod-shaped member or the like, and the adhesive is provided in the outer surface of the rod-shaped member and the communication hole provided in the structural member. The gap between the joint and the structural member is improved by filling the space between the joint and the peripheral wall to increase the adhesion area and impart an anchor effect, thereby improving the jointability and reliability. (2) The rough surface portion formed on the surface of the rod-shaped member imparts an anchor effect for improving the adhesion strength between the outer surface of the rod-shaped member and the adhesive, and improves the adhesion strength between the joint and the structural member to improve the bonding property. And excellent in reliability. (3) If the rough surface is formed by a chemical treatment or the like that removes an oil film on the surface of the rod-shaped member, it is said that not only does the bonding strength between the connector and the structural member be improved, but it is also a cause of biological deterioration by insects and mold. Since nutrients such as sugar in wood can be removed, biological deterioration of the connector can be suppressed and the durability is excellent. (4) The rough surface portion of the rod-shaped member from which the oil film has been removed increases the affinity between the rod-shaped member and the adhesive depending on the type of the adhesive, and is excellent in bonding properties.

Here, as the uneven portion, a continuous or discontinuous random uneven portion, a spiral regular uneven portion, or the like is formed. The width, depth and quantity of the helical irregularities are changed so that the adhesive is filled well between the surface of the rod-shaped member and the peripheral wall of the communication hole according to the type and viscosity of the adhesive or the adhesive. be able to.

Here, as a method for forming the uneven portion or the rough surface portion, there are a mechanical method for forming the uneven portion or the rough surface portion using a saw, a lathe, a sand blast, a grinder, a sander, or the like; Chemical method of immersion or boiling in aqueous solution, UV irradiation treatment, etc.
Or a plurality of methods are used. Among them, sand blasting can selectively form an uneven portion or a rough surface by spraying fine sand or the like selectively on an arbitrary portion, and by selecting the particle size and material of the fine sand or the like, the spraying strength and the like. It is preferably used because the size and roughness of the uneven portion and the rough surface portion can be changed. In addition, the chemical method of boiling in an alkaline aqueous solution can form a rough surface portion that provides an anchor effect for improving the adhesive strength between the outer surface and the adhesive,
It is preferably used because it can also remove nutrients such as sugar, which are said to be the cause of biological degradation by insects and molds, such as wood and bamboo, and impart insect repellent and antibacterial effects. This is because free sugars, starch and the like contained in parenchyma cells such as wood and bamboo materials increase the equilibrium moisture content in a high humidity environment and cause biological deterioration by fungi such as mold and pests. The ultraviolet irradiation treatment is preferably used because it can uniformly remove the oil film layer on the surface to form a rough surface portion without relatively impairing the beauty and texture of the surface of wood or bamboo.

According to a sixth aspect of the present invention, there is provided the connector according to any one of the first to fifth aspects, wherein at least one of the rod-shaped member, the pipe-shaped portion, and the branch pipe is provided. At least on the surface of the insect repellent treatment, preservative treatment, antibacterial treatment,
Alternatively, it has a configuration in which a flame-retardant treatment or a treatment comprising a combination thereof is performed. With this configuration, the following operation is obtained in addition to the operation obtained in any one of the first to fifth aspects. (1) It is possible to prevent deterioration of strength of a joint due to biological deterioration by fungi such as molds or pests and deterioration of strength due to corrosion, and furthermore, it is possible to prevent deterioration in strength of a joint portion of a structural member, and to be excellent in reliability and durability. (2) Bamboo has a higher equilibrium moisture content in a high humidity environment and is more susceptible to biological degradation because the amount of free sugars and starch contained in parenchymal cells that cause biological degradation is greater than that of wood. Insect, bactericidal and antiseptic treatments are effective and have excellent reliability and durability. (3) Since wood and bamboo are flammable, when flame retardant treatment is applied, it is possible to suppress the occurrence of a decrease in the strength of the joint due to the burning of the joints made of them during a fire. Excellent.

The agents used for the preservative treatment include oil preservatives such as creosote oil, oil-soluble preservatives such as tribromophenol, 3-iodo-propvinylbutyl carbonate, copper naphthenate, and CCA. Water-soluble preservatives such as preservatives, emulsifying preservatives and the like are used. Examples of the chemicals used for insect repellent treatment include boron compounds such as sodium octaborate tetrahydrate, carbamate compounds such as carbaryl and propoxur, pyrethroid compounds such as permethrin and cypamethrin, and organic phosphorus compounds such as chlorpyrifos. Are used. Furthermore, as the antibacterial treatment,
A method is used in which the moisture content of wood, bamboo, or the like is reduced to a fiber saturation point (25 to 30%) or less by drying.
Furthermore, it is preferable to impregnate a phenol resin between the fibers from which water has been removed, since an insect repellent effect can be obtained at the same time. Further, as the flame-retardant treatment, one in which an inorganic boron compound such as H ₃ BO ₃ is injected into wood, bamboo, or the like, immersed, or the like is used. A surface treatment such as coating, spraying, immersion, or the like is performed on a bonding tool made of wood, bamboo, or the like, so that at least the surface is subjected to a diffusion process of dipping in a chemical solution, a hot / cold bath process, a decompression process, a pressure process, or the like. In this way, the surface and the inside are subjected to insect repellent treatment, antiseptic treatment, antibacterial treatment and flame retardant treatment. As the insect repellent treatment and the preservative treatment, in addition to the above-described treatment methods, hot water treatment in boiling water, alkali treatment in an alkaline aqueous solution such as sodium hydroxide, and steam generated by boiling acetic acid are used. An acetylation treatment or the like in which acetic acid remaining in the bonding tool is removed in a thermostatic high-humidifier or the like and then dried after reacting with a bonding tool placed in a reaction tube maintained at about ° C is also used.

According to a seventh aspect of the present invention, there is provided a joint structure between a structural member and a vertical or horizontal structural member made of glued laminated material, laminated material, wood, concrete, stone, or the like to be joined or joined. A communication hole drilled from the outer peripheral surface of the vertical structural member to the horizontal structural member through a contact surface between the members,
7. One of claims 1 to 6, which is inserted into said communication hole.
The connector described in the above, the hollow portion of the connector or one end of the pipe-shaped portion, or the hollow portion is injected from the opening of the branch pipe communicating with the hollow portion or the pipe-shaped portion or the hollow portion or It has a configuration provided with at least the surface of the rod-shaped member flowing out from the other end of the pipe-shaped portion and an adhesive substantially filled between the peripheral wall of the communication hole.
Further, the joint structure between the structural members according to claim 8 of the present invention includes a plurality of structural members made of glued laminated material, laminated material, wood, concrete, stone, or the like to be joined or joined, and the structural member 5. A communication hole formed in a pair in an abutting surface therebetween, a branch pipe insertion portion formed by cutting the abutment surface, and a branch pipe inserted in the communication hole and the branch pipe insertion portion. To 6
And the connector described in any one of the above, and is injected from the opening of the branch pipe and flows out of the opening of at least one end of the hollow part or the pipe-shaped part, and at least the surface of the rod-shaped member and the communication hole And an adhesive substantially filled between the peripheral walls. With this configuration, the following operation can be obtained. (1) The joints inserted between the structural members do not oxidize, and the expansion rate is almost the same as that of wood or laminated wood, so that the joints are damaged by the expansion and contraction of the volume due to oxidation and thermal expansion difference. Workability without having to pay attention to the selection and filling method of adhesives that can completely cover the surface of the joint during construction and reduce the difference in thermal expansion during construction. And a joint structure excellent in reliability can be obtained. (2) Since the joint and the adhesive are stored in the structural member,
The adhesive can be prevented from deteriorating due to ultraviolet rays, and is excellent in reliability. (3) Since a natural plant-based material is used as a connector,
When dismantling a house or the like, the joint can be easily cut with a saw or the like, and the structural members are excellent in reusability.

Here, as the structural members, there are used timber such as prisms or columns, beams, walls, etc. made of wood such as laminated wood or laminated boards, concrete or stone. In addition, one or more communication holes are formed in the contact surface between the plurality of structural members according to the shape of the connector, and the diameter thereof is formed to be substantially the same as or slightly larger than the maximum diameter of the rod-shaped member of the connector. The depth is formed at least slightly deeper than the length of the connector to be stored. This is for facilitating the flow of the adhesive between the connector and the peripheral wall of the communication hole. The communication hole and the branch pipe insertion portion may be formed by drilling or cutting with a drill or the like on site, or may be formed in advance by a pre-cut method or the like at a factory. The communication hole is formed substantially perpendicularly, obliquely, parallel, etc. to the contact surface according to the construction place, but by forming it obliquely against the stress acting between the structural members, the bonding force of the adhesive is reduced. You can make the most of it. In addition, when an uneven surface is formed on the peripheral wall of the communication hole, it functions as a buffer for the adhesive flowing out from the other end of the rod-shaped member or the like, and the adhesive is provided on the outer surface of the rod-shaped member and the peripheral wall of the communication hole provided on the structural member. It is preferable because it increases the bonding area while providing an anchor effect, improves the bonding strength between the connector and the structural member, and is excellent in bondability and reliability. Further, it is preferable to apply an adhesive to the contact surface around the communication hole since the structural strength can be further improved. After the injection of the adhesive into the communicating hole is completed, the finished surface can be beautifully covered with a plug or a buried tree and repaired with a putty or the like.

Here, as the adhesive, a phenol resin adhesive such as a urea resin adhesive, a melamine resin adhesive, a resorcinol resin adhesive, an epoxy resin adhesive,
It is appropriately selected from a vinyl urethane adhesive, a polyvinyl acetate adhesive, an ethylene-vinyl acetate copolymer adhesive and the like according to the materials of the rod-shaped member and the structural member. The adhesive is preferably subjected to two-stage injection or pressure injection as necessary. This is because the adhesive is absorbed depending on the type of wood, laminated wood, or the like, and the amount of the adhesive is insufficient to prevent the adhesive strength from being reduced. Further, when the type of the adhesive is selected and the primer treatment is performed, the affinity between the rod-shaped member and the adhesive, and the affinity between the structural member and the adhesive are increased, and the bonding property is excellent.

According to a ninth aspect of the present invention, there is provided a joint structure between structural members, wherein a plurality of structural members made of glued laminated material, laminated material, wood, concrete, stone, or the like to be joined or jointed are connected to each other. A communication hole punched in a pair through the contact surface, and the cross section inserted into the communication hole is substantially circular, substantially elliptical or substantially polygonal, and cedar, cypress,
Wood such as oak, bamboo such as oak and nemasa, glued laminated material or laminated material, or paper material, or a rod-shaped member formed in a linear or bent shape by combining them, and both ends of the communication hole Two holes for filling the adhesive, which are drilled in the vicinity from the outer surface of the structural member, and another hole that is injected from one of the holes for filling the adhesive. It has a configuration including at least a surface of the rod-shaped member which is leaked or visually recognized from a location and an adhesive substantially filled between the peripheral wall of the communication hole. With this configuration, the adhesive injected from one adhesive filling hole flows out of the other adhesive filling hole, whereby the filling of the adhesive can be confirmed and the adhesive filling unevenness can be prevented. Is obtained.

According to a tenth aspect of the present invention, there is provided the method of joining structural members, wherein the cross section according to the ninth aspect is any one of a substantially circular shape, a substantially elliptical shape, and a substantially polygonal shape, and is made of wood such as cedar, hinoki, oak, etc. Bamboo, glulam, laminate, paper, or a combination thereof, such as bamboo and nemasa, or a combination thereof forms a communication hole having a diameter approximately the same as or slightly larger than a rod-shaped member formed in a linear or bent shape. A step of piercing a pair of holes at predetermined portions of a contact surface of a plurality of structural members made of glulam, laminated material, wood, concrete, stone, or the like, and an outer portion excluding the contact surface of the structural member. A step of piercing an adhesive filling hole communicating with an end portion of each of the holes from the surface, and inserting the rod-shaped member into each of the holes pierced in the step; Contacting the adhesive with the adhesive through the adhesive filling hole. And has a configuration including a step of filling an adhesive between the peripheral wall surface and the hole of at least the rod-shaped member to flow out or the display from the incoming city other of said adhesive filling hole. With this configuration, it is possible to insert the bonding tool between the holes, fill the adhesive from the adhesive filling hole, and check the outflow of the adhesive from the other filling holes to perform the bonding. Can be obtained.

[0029]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the present invention will be described.
This will be described with reference to the drawings. (Embodiment 1) FIG. 1 is a perspective view of a connector according to Embodiment 1 of the present invention, and FIG. 2 is an end view of an essential part of a cross section taken along line AA of FIG. FIG. 2F is an essential part end view of a section taken along line BB of FIG. 1. 1 and 2, reference numeral 1 denotes a connector according to the first embodiment, and 2 denotes a small square lumber or sawn board cut in parallel to the fiber direction of wood such as cedar, cypress, oak, and bamboo such as madake. A rod-shaped member made of a glued glue laminated in a hollow cylindrical shape with its fiber directions parallel to each other, 3 is an end portion of the rod-shaped member 2 formed in a flat shape, and 4 is a central portion of the rod-shaped member 2. The opened hollow portion for the inflow of the adhesive, 5 is the surface of the rod-shaped member 2 having a rough surface portion formed by sandblasting or the like, and 6 is a branch pipe made of bamboo material or wood screwed or fitted into the central portion of the rod-shaped member 2. , 7 are branch pipe hollow portions communicating with the hollow portion 4 of the rod-shaped member 2 formed in the branch pipe 6.
Reference numeral a denotes an adhesive guide portion formed in a slit shape in communication with the hollow portion 4 at the end portion 3 formed in a flat shape. FIG. 3 (a) is a bar-shaped member formed by gluing wood boards such as cedar, cypress, oak, etc., bamboo board such as madake, nezasa or the like to a hollow columnar shape with their fiber directions parallel to each other. (B) is a rod-shaped member having a hollow portion formed by winding and bonding a sheet-like thin plate of wood or bamboo which is continuously peeled off from the surface of the wood or bamboo to form a hollow portion and having a substantially circular cross section. (C) is a rod-shaped member formed by inserting an inner cylinder 2b formed by winding and bonding a sheet-shaped paper material or the like in a hollow shape in an outer cylinder 2a made of a natural bamboo material, (D) is a bar-shaped member made of wood, bamboo material, sawn board, or glued wood formed by gluing these materials and glued wood and bonding them by heating, and having a substantially elliptical cross-sectional shape, and (e) being crushed. The cross section of the small piece that has been shaped into a particle board by applying adhesive and heat is approximately four (F) is a bar-shaped member having a substantially circular cross-sectional shape formed by laminating and adhering the single-layered compression-molded veneer so as to crush the hollow portion of the bamboo material in the same fiber direction. This is a rod-shaped member formed by compressing and assembling a laminated material into an octagonal shape and bonding the laminated material.

The method for manufacturing the rod-shaped member of the thus configured connector of the first embodiment will be described below with reference to the drawings. In addition, the manufacturing method of a rod-shaped member is not limited to these methods. 4 and 5 are perspective views showing a method of manufacturing the rod-shaped member of the connector according to the first embodiment, and FIG. 4 (a) forms a groove having a substantially V-shaped cross-section in a laminated material, a laminated plate, or the like. FIG. 4 (b) is a perspective view of a rod-shaped member having a hollow portion obtained by winding a laminated material or a laminated plate having grooves formed therein, and FIG. FIG. 5B is a perspective view showing a state in which a groove having a semicircular cross section is formed in a laminated material, a laminated plate, or the like, and FIG. 5B is a perspective view showing a state in which the laminated material, the laminated plate, or the like having the groove formed is bonded. FIG. 5 (c) is a perspective view of a rod-shaped member obtained by cutting the glued laminated timber, the laminated board and the like and grinding the outer peripheral surface. 4A and 4B, reference numeral 2c denotes a plate-shaped member such as wood, bamboo material, sawn board, or a glued laminated material or a laminated plate formed by gluing and heating and bonding these or small square lumber of glued laminated wood; V-shaped groove having a substantially V-shaped cross-section formed over one end of the plate-like member 2c at a predetermined interval and substantially parallel to the short-side direction of the plate-like member 2c over the end face of the long side, and 2d 'is a plate-like member 2c. A slope formed on the end face of the short side of and substantially parallel to one face of the V groove 2d;
"e" is a rod-like member having a hollow portion formed from a plate-like member 2c having a V-shaped groove 2d and a slope 2d '. First, a plurality of V-grooves 2d are formed on one surface of the plate-like member 2c at predetermined intervals, and a slope 2d 'is formed on an end surface of a short side, and a polyurethane resin or polyester-based is formed on the V-groove 2d and the slope 2d'. Apply adhesive. Next, the plate-like member 2c is wound so that the V-groove 2d and the slope 2d 'are abutted, and the V-groove 2d and the slope 2d' are bonded to obtain a rod-shaped member 2e having a hollow portion. When the hollow portion is formed by drilling with a drill or the like, bamboo fiber or the like is easily formed and the inner wall surface is inferior in smoothness, but according to this method, one surface of the plate-like member constitutes the inner wall surface of the hollow portion, so polishing or It is possible to obtain a rod-shaped member having a hollow portion which is easily corrected, easily obtains a mirror surface, and has excellent inner wall surface smoothness.
Further, by changing the thickness of the plate-like member and the angle of the V-shaped groove, the diameter of the rod-like member can be easily controlled.

5 (a), 5 (b) and 5 (c), reference numeral 2f denotes a plate such as wood, bamboo material, sawn board, or a laminated material or laminated plate formed by assembling these materials and small angled lumber and bonding them by heating. 2g is a semicircular groove having a substantially semicircular cross-section formed in a short side direction substantially in parallel with the short side direction of the plate member 2f at a predetermined interval on one surface of the plate member 2f, 2h Is a plate-like member 2f
An adhesive surface formed between the semicircular grooves 2g formed on one surface of
2i is a rod-shaped member formed by cutting and grinding from a pair of bonded plate-like members 2f. First, a plurality of semicircular grooves 2g are formed on one surface of a pair of plate-like members 2f at predetermined intervals. Next, a polyurethane resin-based or polyester-based adhesive is applied to the bonding surface 2h, and the pair of plate members 2f are bonded. After being completely bonded, it is cut substantially perpendicular to the bonding surface 2h, and the outer peripheral surface is ground to obtain a cylindrical rod-shaped member 2i. According to this method, it is possible to easily obtain a mirror-like surface by easily correcting or polishing a bamboo fiber or the like generated when forming a semicircular groove, and to obtain a rod-shaped member having a hollow portion having excellent smoothness of an inner wall surface. it can. Further, the production method is simple and excellent in mass productivity.

Next, the joining structure of the joining device according to the first embodiment will be described with reference to the drawings. FIG.
FIG. 7 is a configuration diagram showing a butt joint structure using a joint according to the first embodiment, FIG. 7 is a front view of a main part showing the butt joint structure, and FIG. 8 shows a butt joint structure. FIG. 8 is a sectional view taken along line CC of FIG. 7. 6 to 8, reference numerals 8 and 8 ′ denote structural members such as columns, beams, and girders formed of butt jointed wood or glued laminated wood, and reference numerals 9 and 9 ′ denote ends of the structural members 8 and 8 ′. The contact surfaces 10, 10 'of the parts are a pair of holes formed in the structural members 8, 8' into which the rod-shaped member 2 of the connector 1 is inserted, and 11 is the contact between the holes 10, 10 '. A communication hole formed and inserted and buried with the rod-shaped member 2 of the connector 1;
Reference numeral 11 'denotes a peripheral wall of the communication hole 11 having a helical uneven portion, and reference numeral 12 denotes a branch pipe of the connector 1 formed in the contact surface 9 from the outer peripheral surface of the end of the structural member 8 to the hole 10. Reference numeral 6 denotes a branch pipe insertion part, 12 ′ denotes a peripheral wall of the branch pipe mounting part 12, 13
Is a stopper which is made of the same material as the structural member 8 and is covered by the branch pipe insertion portion 12 and is inserted flush with the surface of the structural member 8 in the finishing process. Reference numeral 14 denotes a peripheral wall 11 ′ and a branch of the communication hole 11. The adhesive is filled between the peripheral wall 12 ′ of the pipe insertion portion 12 and the surface of the connector 1.

The joining method of the present embodiment having the above-described configuration will be described below with reference to the drawings. FIG. 9 schematically shows the flow of the adhesive.
It is sectional drawing of a line. In FIG. 9, first, the structural member 8,
Holes 10, 10 ′ having a slightly larger diameter and a slightly longer length than the rod-shaped member 2 of the connector 1 are pierced at 8 ′ with respective drills. Next, the joining tool 1 is inserted into the hole 10 and the branch pipe insertion portion 12, and then, if necessary, an adhesive is applied to the contact surface of the structural member 8 ', and then the joint 1 is joined to the hole 10'. The other end of the tool 1 is inserted, and the respective contact surfaces 9, 9 'of the structural members 8, 8' are inserted.
Abut. Next, after holding the joined portion at a portion that is difficult to see from the outside with temporary nailing, screws, or the like so as not to separate, the branch pipe 6
Using a cartridge gun (not shown), a polyurethane resin-based or polyester-based adhesive is used as an adhesive 14 between the peripheral wall of the branch pipe 6 and the peripheral wall 12 ′ of the branch pipe insertion section 12 from the branch pipe hollow portion 7. Inject until the adhesive 14 is visible or overflows from between. Next, a sealing treatment of the plug 13 or the wood putty or the like is performed on the branch pipe insertion portion 12. After the adhesive 14 is cured, temporary nails and screws are removed as necessary.

The joining structure of the joining tool and the joining method configured as described above will be described below. 8 and 9, the adhesive 14 is injected from the branch pipe hollow portion 7 of the branch pipe 6 as indicated by the arrow, and the adhesive flows in while expelling the air in the branch pipe hollow portion 7 and the hollow portion 4 to communicate with each other. In the hole 11, it flows out from the end of the hollow portion 4 to the bottom of the communication hole 11, and is filled in the bottom while expelling air. Next, the gap between the surface 5 of the rod-shaped member 2 and the peripheral wall 11 ′ of the communication hole 11 is filled through the hollow portion 4. At this time, the peripheral wall 11 of the communication hole 11
′ Is spirally formed, the channeling and short path of the adhesive 14 are prevented by the buffer effect of the uneven portion, and the surface 5 of the rod-shaped member 2 and the communication hole 11 are formed.
Adhesive 14 with little leakage in the gap between the peripheral walls 11 '
Is filled. When the injection of the adhesive 14 is further continued, the adhesive 14 rises while filling the gap between the outer surface of the branch pipe 6 and the peripheral wall 12 ′ of the branch pipe insertion part 12 from the outside of the branch pipe insertion part 12. Since it is visible, uneven spots can be prevented. Since the rough surface is formed on the front surface 5 of the rod-shaped member 2, after the adhesive 14 is hardened, a strong bonding between the adhesive 14 and the joint 1 can be obtained by the anchor effect of the rough surface.

Here, in the present embodiment, the case of the butt joint has been described, but a large joint joint, a partial joint joint, and the like can be similarly performed. In addition, if a square plate is overlapped as a structural member and a joining tool is obliquely inserted and joined thereto, a large-section square member having excellent mechanical strength can be manufactured. It can also easily produce large-section square timber, which is difficult to obtain due to low production volume, and can be used for the manufacture of DIY, furniture, toys, signboards, and the like.

As described above, since the joining structure between the joining tool and the joining member according to the first embodiment is configured, the following operation can be obtained. (1) Since the joining tool is made of wood or paper, the joining of the wooden building can be performed easily by selecting an adhesive considering only the affinity with the wood or paper. Thus, a bonding structure having high mechanical strength can be obtained. (2) Various lengths and sizes of wooden structures can be joined by changing the length, diameter, and number of rod-shaped members. (3) Since the joint buried in the joint does not oxidize and has almost the same expansion rate as a structural member such as wood, the oxidization of the joint or volume expansion due to a difference in thermal expansion between the structural member and the joint. It is possible to obtain a highly reliable bonding structure that is not affected by construction conditions without damaging the bonding portion. (4) Even when the joined structural members are cut off at the contact surface and reused, problems such as oxidation of the joints do not occur, and the structural members can be reused with the joints buried.
Excellent reusability and resource saving. (5) Since the angle of the contact surface can be freely set, it is possible to easily obtain a structural member joined in a substantially polygonal or substantially arc shape, and to obtain a joint structure between structural members excellent in design. it can.

(Embodiment 2) FIG. 10 shows Embodiment 2 of the present invention.
11 is a cross-sectional view of the joint of FIG. 11, and FIG. 11 is a configuration diagram at the time of the construction of the joint joint of the columns using the joint of the second embodiment.
Note that the same components as those described in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. In the figure, reference numeral 1a denotes a second embodiment made of the same shape and material as described in FIG.
The connector 2j is made of a natural bamboo material, and is formed by inserting an inner cylinder formed by winding and bonding a sheet-shaped paper material or the like in a hollow shape in an outer cylinder having a knot at one end, and formed at one end. A rod-shaped member 6a having a substantially circular cross-section and having a hollow portion 4 opening at the end thereof, 6a is a branch pipe drilled on the side surface on the other end side of the rod-shaped member 2j and fitted into a hole communicating with the hollow portion 4; A plurality of annular grooves 6b are formed on the outer peripheral surface of 6a. 8a is a structural member composed of pillars or the like, 8b is a structural member composed of root bundles or the like, 1
0a is a communication hole formed in the structural member 8a in a round hole shape, 21 is a buried groove formed in the structural member 8b, 22 is a hole in the structural member 8b except for a space around the branch pipe 6 of the connector 1a. A buried tree 23, which is inserted into the buried groove 21 in close contact with the wall to form a communication hole with the hole 10a and bury the joint 1a, 23 is a slab stone.

A method of joining the column and the bundled column in the joint of the second embodiment having the above-described structure will be described below. First, a communication hole 10a for burying substantially half of the rod-shaped member 2j of the connector 1a is drilled in the structural member 8a, and approximately half of the rod-shaped member 2j of the connector 1a and one of the branch pipes 6a are formed in the structural member 8b. The burrow groove 21 for burying the part is formed. The bonding jig 1 is inserted into the communication hole 10a of the structural member 8a.
The rod-shaped member 2j of a is inserted. The structural member 8b is inserted between the structural member 8a and the skewer 23 from the side so as not to damage the bonding jig 1a, and substantially half of the rod-shaped member 2j of the joint 1a and a part of the branch pipe 6a are inserted into the buried groove 21. An adhesive is applied to both sides of the buried tree 22 and the like and beaten into the buried groove 21. After fixing the structural members 8a and 8b with temporary nails and injecting an adhesive from the branch pipe hollow portion 7 and observing that the adhesive overflows from the opening wall surface of the branch pipe 6a and the burried groove 21, the structural members 8b and An annular groove 6 having a plurality of projecting branch pipes 6a formed on the outer peripheral surface.
b, and the gap between the embedded wood 22 and the structural member 8b is repaired with a plug material or a sealing material.

As described above, since the joining device and the joining structure of the second embodiment are constituted, the following operations can be obtained. (1) Even in a place where it is difficult to open the joints, the members can be easily joined by, for example, digging a groove for a buried tree. (2) For example, in the case of a joint joint in which a part of a pillar or a bundle material under the floor is corroded and a healthy part is left as it is, and only the corroded part is replaced, the corroded part is cut as in the conventional case. A method of cutting and removing a corroded portion while receiving a healthy portion with a structural member for jointing can be adopted without using a method of jacking up a healthy portion after removal, thereby improving workability.

(Embodiments 3 and 4) FIG. 12 is a cross-sectional view of a connector according to Embodiments 3 and 4, and FIG. 13 is a configuration diagram at the time of large insertion joining. Note that the same components as those described in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. 1b is a connector having no branch pipe according to the third embodiment, 1c is a connector in which a branch pipe is engaged with one end of the fourth embodiment, and 2k and 2l are both ends of the connectors 1b and 1c. A bar-shaped member having an opening, 3a is a bar-shaped member 2 formed in a bulging shape.
The end portions of k, 2l and 3b are rod-shaped members 2k formed in a concave shape.
The end 3c is an end of the bar-shaped member 2l formed in a flat shape, and 6b is a branch pipe provided with a groove 6b 'for fitting to the end 3c at one end. 8c is a structural member made of a girder, a girder, etc., 8d is a structural member made of a girder or the like, 10b is a structural member 8
c, a hole formed in the structural member 8d, 11a is a communication hole in which the holes 10b, 10c are in contact, and the length of the communication hole 11a is determined by the length of the connector 1b, 1c
And a stopper (not shown). 9a is a contact surface of each of the structural members 8c and 8d, 24 is a notch for large insertion formed on the structural member 8c, and 25 is a tenon for large insertion formed on the structural member 8d.

Embodiments 3 and 4 configured as above
The joining method in the large insertion joining using the joining tool will be described below. After the structural members 8c and 8d are brought into contact with the contact surface 9a, holes 10b and 10c are drilled from the outer peripheral surface of the structural member 8c toward the contact surface 9a to form a communication hole 11a. Next, the opening (the hole 10) of the communication hole 11a of the structural member 8c is formed.
b opening) to the end 3a of the connector 1b, 1c.
Ob is inserted into the hole 10c. Then, from the end 3b of the joint 1b or the branch pipe 6b of the joint 1c to the hollow 4
After the adhesive is injected into the container and the flow is returned from the end 3a and visually observed to overflow to the injection side, after the branch pipe 6b is sealed or the branch pipe 6b is removed, the opening is plugged in (not shown). ) Etc.

In this embodiment, the joining structure in the case of the large joining has been described. However, the joining structure may be a butt joint. Also, by stacking a plurality of flat plates as a structural member and inserting and joining the joining tools obliquely, it is possible to manufacture extremely long laminated prisms and plate materials with excellent mechanical strength,
A do-it-yourselfer can manufacture giant span girders and beams. These laminated prisms and plate materials can be used for manufacturing and joining furniture, toys, signboards, and the like.

As described above, since the joining device and the joining structure of the third and fourth embodiments are constituted, they have the following operations. (1) Obtain a beautiful and excellent joint structure with excellent structural strength and without complicated joint processing such as tenon and mortise joints such as girders and girder beams and girders and through columns as in the past. be able to. (2) Since structural members can be joined without forming a long tenon, cross-sectional defects can be reduced, and a strong and safe joint structure of structural members can be obtained.

(Embodiments 5 and 6) FIG. 14 is a perspective view of a connector according to Embodiment 5, FIG. 15 (a) is a side view thereof, and FIG. 15 (b) is an end view thereof. FIG. 16 is a cross-sectional end view showing a shape of a concave portion formed in a rod-shaped member, and FIG. 17 is a perspective view of a connector according to the sixth embodiment. FIG. 14, FIG. 15 (a), FIG.
In (b), 1d is the connector of Embodiment 5 and 2m
Is a round bar-shaped rod member that is laminated and adhered in the same fiber direction as a single plate compression-molded to crush the hollow part of bamboo material,
3d is an end of the bar-shaped member 2m formed in a bulging shape, 4b is a groove-shaped adhesive guide portion formed in the end 3d and communicating with a concave portion 7a (described later), and 7a is an outer end of the bar-shaped member 2m. A concave portion 7b is formed in a substantially U-shape from the portion to the end portion. A concave portion 7b has one end disposed at the end 3d of the rod-shaped member 2m and the other end extended from the end of the rod-shaped member 2m. 7a is a pipe-like portion fitted to 7a and fixed by an adhesive. In FIG. 16, depending on the shape of the pipe-shaped portion, the type of the adhesive, the construction place, and the like,
The shape of the concave portion 7a formed in the rod-shaped member 2m is appropriately selected. In FIG. 17, 1e is a connector of the sixth embodiment, and 2n is laminated and bonded by aligning the fiber directions of a single plate compression-molded so as to crush a hollow portion of a bamboo material having a flat end. The round bar-shaped member 7c has one end disposed at the end of the rod-shaped member 2n and the other end disposed at the end of the rod-shaped member 2n.
Is slightly extended from the other end of the wire and is fitted into the recess.
A pipe-shaped portion wound and fixed at n ', 6c is a branch pipe screwed into one opening of the pipe-shaped portion 7c. The joining method and the joining structure of the structural members using the joining tools of the fifth and sixth embodiments configured as described above are the same as those described in the third and fourth embodiments, and thus the description will be omitted.

(Embodiment 7) FIG. 18 shows Embodiment 7 of the present invention.
FIG. 19 is a perspective view of the connector in FIG. 19, and FIG. 19 is a partial cross-sectional end view thereof. The connector 1f according to the seventh embodiment is different from the connectors according to the fifth and sixth embodiments in that the connector 1f is fitted into the concave portion of the rod-shaped member 2o, and is fixed by being wound with an adhesive and a filament 2n '. A point that both ends of the pipe-shaped portion 7d are opened at both ends of the rod-shaped member 2o, and a branch pipe 6d made of a tubular material
Is a branch pipe hole 7e drilled in the center of the pipe-shaped part 7d.
It is a point screwed to. The bonding method and the bonding structure using the bonding tool of the seventh embodiment configured as described above include:
The description is omitted because it is the same as that described in the first embodiment.

(Eighth Embodiment) FIG. 20 shows the eighth embodiment.
FIG. 21 is a configuration diagram showing a joining structure in a butt joint joining of structural members in FIG. 21, and FIG. 21 is a schematic sectional view of a joining portion. Note that the same components as those described in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. In the figure, 2p is a rod-shaped member such as a bamboo material formed into a plurality of rods that do not include knots, leaving fibers on the outer skin side, 11b is a communication hole formed by communicating the holes 10, 10 ', and 16 and 17 are communication holes. It is a hole for filling the adhesive, which is penetrated and communicated with both ends of the communication hole 11b from the outer peripheral surfaces of the structural members 8, 8 '. The holes 10, 10 'are perforated such that the length of the holes 10, 10' is slightly longer than the length of the rod-shaped member 2p.

The joining method of the butt joint of the structural members according to the eighth embodiment configured as described above will be described below. Abutment surface 9 of each of structural member 8 and structural member 8 ′,
From 9 ′, a hole 10 and a hole 10 ′ are pierced, and a communication hole 11 is formed.
Holes 16 and 17 for filling the adhesive are formed by piercing from the outer peripheral surfaces of the structural members 8 and 8 'toward both ends of b. After inserting approximately half of the rod-shaped member 2p into the hole 10, an adhesive is applied to the contact surface 9 or the contact surface 9 ', and approximately half of the hole 10' of the structural member 8 'is removed from the hole 10. The contact surfaces 9 and 9 'of the structural member 8 and the structural member 8' are brought into contact with each other so that the holes 10, 10 'communicate with each other while inserting the protruding rod-shaped member 2p. After being fixed with temporary nails or screws, an adhesive is injected from the adhesive filling hole 16 of the structural member 8 and the adhesive filling hole 17 of the structural member 8 ′.
After visually checking the overflow, plug the inlet (not shown).
And repair it.

Here, in the case where bamboo material is used as the rod-shaped member 2p, the case where the bar-shaped member is formed into a plurality of rod-shaped portions that do not include the nodes while leaving the outer-side fibers are described. In some cases, the remaining tubular bamboo is used. The reason why bamboo containing no knots is used is that the bamboo containing knots has discontinuous fibers at the knot portions, resulting in reduced strength. The reason why the bamboo material in which the fiber on the outer skin side is left is used is that the bamboo material has a high fiber density and a high strength in a portion near the outer skin side. In some cases, an uneven portion or a rough surface portion is formed on the outer skin.

As described above, the bonding structure and the bonding method according to the eighth embodiment are configured, and the following effects can be obtained. (1) Since the rod-shaped member has a higher shearing property than the material of the structural member (bamboo has about twice the shearing resistance of wood), the strength of the joint can be significantly improved. (2) Since a plant-based natural material is used as the rod-shaped member, the joint can be easily cut with a saw or the like when dismantling a house or the like, and the structural member can be reused.

[0050]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the preparation of samples and the test results for the bonding strength test of the bonding portion using the bonding tool of the present invention. (Preparation of sample) First, a joint was prepared. The joining tool has a branch pipe screwed into the central portion in the longitudinal direction of the rod-shaped member shown in Embodiment 1, and has an outer diameter of 5 mm and an outer diameter of 2 mm in the hollow portion.
φ branch pipe, outer diameter 15mmφ, hollow part outer diameter 5mmφ,
And a rod-shaped member having a total length of 9 cm and shown in the following (a) to (d). (A) A rod-shaped member obtained by cutting a natural bamboo node and cutting it to a predetermined length, and shaving its skin off with a # 200 sandpaper. (B) About the thing which dropped a natural bamboo node and cut it to a predetermined length, the surface of the skin was grinded with a grinder and the groove of 0.5 mm in depth and 1.0 mm in width was set to 5.0 m in a direction substantially perpendicular to the longitudinal direction.
Bar-shaped members formed at m intervals. (C) Natural bamboo knots cut and cut to a predetermined length were boiled in a 0.03% NaOH aqueous solution for 20 minutes, washed in n-hexane, and then subjected to ultraviolet irradiation. Bar-shaped member. The ultraviolet irradiation treatment was performed using an ultraviolet irradiation device (Tracure 4000, manufactured by Toshiba Denshi).
15cm from mercury lamp of light source (4000W, output 80W / cm)
Was irradiated for 15 minutes to the rod-shaped member placed at a distance of. (D) A metal rod-shaped member which is a configuration of a conventional connector. Next, butt joints of the structural members as shown in FIG. 6 were performed using the joints having the rod-shaped members (a) to (d). As a structural member as shown in FIG. 6, a laminated wood of 10 cm square is used, and a center portion of the contact surface is drilled by φ18 m each.
A hole having a depth of 5 cm was drilled. Further, a branch pipe insertion portion communicating with the hole was formed on the contact surface of one of the structural members. The connecting members made of the rod-shaped members (a) to (d) are inserted into the holes one by one, and the contact surfaces are brought into contact with each other.
H. C (polyurethane resin-based adhesive, manufactured by Nippon Polyurethane Industry Co., Ltd.) was filled with a cartridge gun and fixed by joining to obtain a sample. Samples prepared using the joints having the rod-shaped members (a), (b), (c), and (d) were each subjected to (A)
(B), (C), and (D). (A) (B) (C)
Is an example of the present invention, and (D) is a comparative example. (Test Results) Tensile tests were performed on the prepared samples (A) to (D). FIG. 22 is a diagram showing the maximum proof stress of (A) to (D) in this test, and FIG. 23 is (A) in this test.
It is the figure which showed the load displacement curve of (D). In FIG. 22, it was found that Examples (A) to (C) of the present invention exhibited the same maximum proof stress as Comparative Example (D). FIG.
In Example (A), it was found that the proof stress was maintained until the deformation of about 2 mm, which was almost the same as in Comparative Example (D). As is evident from this example, it was clarified that the joint of the present invention can provide almost the same tensile strength as that obtained with the conventional metal joint.

[0051]

As described above, according to the joining tool of the present invention, the joining structure of the structural members using the joining tool, and the joining method between the structural members, the following advantageous effects can be obtained. According to the first aspect of the present invention, (1) Since the bar-shaped member is made of wood or bamboo, which is easily produced and easily available in various parts of the world, it can be mass-produced at low cost. It is possible to provide a connector which can be easily applied to bonding of furniture, toys, signs, and the like. (2) Since the rod-shaped member is made of wood, bamboo, or the like, which is lighter than metal, it is possible to reduce the burden on the manufacturer and the installer when transporting the connector, which can be transported at low cost, and has excellent workability. Can be provided. (3) Since the rod-shaped member is made of wood, bamboo, or the like, when the structural member is a laminated wood, a laminated material, or wood, the difference in thermal expansion between the rod-shaped member and the structural member is equal to zero. Therefore, it is only necessary to select an adhesive that does not consider the difference in thermal expansion and considers only the affinity, so that it is possible to provide a connector having excellent adhesiveness and excellent reliability of the joint. (4) Since the bar-shaped member is made of wood, bamboo, etc., when repairing or reusing the structural member joined using the joint, it is easy to cut with a saw or the like at the joint surface where the joint is inserted. Thus, a connector excellent in reusability can be provided. (5) Even if the structural members constructed using the joints have to be discarded, the joints made of wood, bamboo, etc. can be easily incinerated, so they can remain or melt in the incinerator. It is possible to provide a connector excellent in environmental conservation without polluting the inside of the incinerator and the atmosphere. Further, since the plant-based material is used, it is possible to provide a connector which is decomposed in the soil and can be reclaimed, and has excellent environmental conservation. (6) By changing the length, diameter, and number of rod-shaped members, structural members of various lengths and sizes can be joined, and a connector with excellent versatility can be provided. (7) Waste materials and scrap materials such as scraps and sawdust can also be used as raw materials for rod-shaped members as glued laminated materials or laminated materials, so that wood resources and bamboo resources can be used effectively, which is excellent in resource saving and garbage emissions. And a connector excellent in environmental preservation can be provided. (8) Depending on the type of bamboo, even a bamboo material that cannot be used as it is as a rod-shaped member depending on the type is processed into a laminated material or a laminated material according to the type of bamboo, so that the bamboo material has a certain shape, size and A rod-shaped member having a standardized quality can be produced, and a connector excellent in productivity can be provided. (9) If the bar-shaped member is produced from paper made of waste paper, the consumption of waste paper generated as a result of paper recycling can be increased, the production of waste paper can be promoted, and the recycling of paper can be promoted. A connector with excellent resource properties can be provided. (10) Even in the case of a joint between structural members in which the place for inserting the joint is limited, the rod-shaped member provided with an opening in the hollow portion at one end or provided at both ends. Can be selected as necessary, and the joining between the structural members can be performed, and a joining tool excellent in versatility can be provided. (11) Since a plant-based material such as wood or bamboo is used as a raw material for the rod-shaped member, it suppresses the generation of carbon dioxide, which is a cause of global warming generated during production when made of metal or synthetic resin. At the same time, it is possible to reduce the carbon dioxide in the air and to fix the carbon dioxide, thereby providing a connector excellent in environmental conservation. (12) Since wood and bamboo are excellent in tensile strength and bending strength, practical bonding strength of the joint can be obtained. In addition, by forming the rod-shaped member into various shapes according to the joint, It is possible to provide a connector capable of withstanding the bending, shear, tension, and compression stresses that occur.

According to the second aspect of the present invention,
In addition to the effects of claim 1, (1) an inner cylinder formed of wood, bamboo, or the like having a large tensile strength or bending strength, and an inner cylinder formed of a paper material or a laminated material having a large compressive strength inside the outer cylinder. By combining outer and inner cylinders made of various materials in accordance with the joint, such as by inserting a cable, and complementing the mechanical characteristics, it can withstand various stresses such as shear, compression, tension, and bending applied to the joint. It is possible to provide a connector excellent in the reliability of the joint and excellent in the effective use of resources. (2) When a natural bamboo material having a hollow portion is used as a rod-shaped member, there is a problem that if the diameter of the hollow portion is large, the injection time and amount of the adhesive increase, and the cost of construction and the adhesive increases. By inserting a natural bamboo material into an outer cylinder and inserting an inner cylinder having a small-diameter hollow portion into the hollow portion, the diameter of the hollow portion of the rod-shaped member can be reduced, thereby shortening the injection time of the adhesive and reducing the injection amount. Can be reduced, and a connector excellent in productivity can be provided. (3) Also, since the outer diameter of the hollow portion can be reduced and the rod-shaped member can be made closer to a solid, a connector having excellent shear strength can be provided. (4) Further, the outer diameter of the hollow portion can be made uniform,
It is sufficient to prepare an adhesive injection nozzle having a diameter corresponding to the outer diameter dimension, so that it is possible to provide a connector excellent in workability at the time of adhesive injection.

According to the third aspect of the present invention,
In addition to the effects of the first aspect, (1) Since only a concave portion for abutting or fitting the pipe-shaped portion is formed on the outer surface of the rod-shaped member, it is possible to provide a connector which can be formed extremely easily. (2) Since the pipe-shaped part can be selected according to the joining place,
A connector capable of improving or expanding workability and workability can be provided.

According to the invention described in claim 4 of the present invention,
In addition to the effects of any one of claims 1 to 3, (1) an adhesive is easily injected from the outside of the structural member into a rod-like member or a pipe-like portion inserted into a joint of a joint and a joint. Accordingly, it is possible to provide a joining tool excellent in workability and joining reliability. (2) By appropriately using branch pipes according to the construction site,
An adhesive can be easily injected into a rod-shaped member or a pipe-shaped portion, and a connector with excellent versatility can be provided. (3) When the branch pipe is made of wood, bamboo, or the like when the structural member is a laminated wood, a laminated material, or wood, the difference in thermal expansion between the branch pipe and the structural member becomes equal to zero, and the branch pipe is inserted into the structural member. Even if it is sealed in a joint, a load on the joint due to the difference in thermal expansion is not applied, and a connector excellent in reliability can be provided.

According to the fifth aspect of the present invention,
In addition to the effects of any one of claims 1 to 4, (1) the uneven portion formed on the surface of the rod-shaped member functions as a buffer for the adhesive flowing out from the other end of the rod-shaped member and the like, and Is filled between the outer surface of the rod-shaped member and the peripheral wall of the communication hole provided in the structural member to increase the bonding area and impart an anchor effect, improve the bonding strength between the connector and the structural member, and improve the bondability and reliability. It is possible to provide a connector having excellent properties. (2) The rough surface portion formed on the surface of the rod-shaped member imparts an anchor effect for improving the adhesion strength between the outer surface of the rod-shaped member and the adhesive, and improves the adhesion strength between the joint and the structural member to improve the bonding property. And a connector excellent in reliability can be provided. (3) If the rough surface is formed by a chemical treatment or the like that removes an oil film on the surface of the rod-shaped member, it is said that not only does the bonding strength between the connector and the structural member be improved, but it is also a cause of biological deterioration by insects and mold. Since nutrients such as sugar in the wood can be removed, it is possible to suppress the biological deterioration of the connector and to provide a connector excellent in durability. (4) Depending on the type of the adhesive, the rough surface portion of the rod-shaped member from which the oil film has been removed can increase the affinity between the rod-shaped member and the adhesive and provide a bonding tool having excellent bonding properties.

According to the invention of claim 6 of the present invention,
In addition to the effects of any one of claims 1 to 5, (1) deterioration of strength of a joint due to biological deterioration by fungi such as molds or pests, deterioration of strength due to corrosion, and also deterioration of strength of joints of structural members. And a connector excellent in reliability and durability can be provided. (2) Bamboo has a higher equilibrium moisture content in a high humidity environment and is more susceptible to biological degradation because the amount of free sugars and starch contained in parenchymal cells that cause biological degradation is greater than that of wood. Insect repellent, germicidal and preservative treatments are effective and can provide a connector with excellent reliability and durability. (3) Since wood and bamboo are flammable, when flame retardant treatment is applied, it is possible to suppress the occurrence of a decrease in the strength of the joint due to the burning of the joints made of them during a fire. It is possible to provide an excellent connector.

According to the seventh and eighth aspects of the present invention, (1) the connector inserted between the structural members does not oxidize, and the expansion coefficient is almost the same as that of wood or laminated wood. Therefore, the joints are not damaged by the expansion or contraction of the volume due to oxidation or thermal expansion difference, so that the surface of the connector can be completely covered during construction and the thermal expansion difference can be reduced. It is possible to provide a joining structure of a structural member excellent in workability and reliability without paying attention to the selection of the adhesive and the filling method that can be performed. (2) Since the joint and the adhesive are stored in the structural member,
It is possible to provide a bonding structure of a structural member that can prevent deterioration of the adhesive due to ultraviolet rays and has excellent reliability. (3) Since a natural plant-based material is used as a connector,
When a house or the like is dismantled, the joint can be easily cut with a saw or the like, and a joint structure of a structural member excellent in reusability of the structural member can be provided.

According to the ninth aspect of the present invention,
The adhesive injected from one adhesive filling hole flows out of the other adhesive filling hole, so that the filling of the adhesive can be confirmed and the bonding structure of the structural member capable of preventing the adhesive filling unevenness can be confirmed. Can be provided.

According to the tenth aspect of the present invention, a connector is inserted between the holes, the adhesive is filled from the adhesive filling hole, and the adhesive flows out of the other filling holes. Therefore, it is possible to provide a joining method between structural members that can improve the workability of the joining operation because the joining can be performed only by confirming the above.

[Brief description of the drawings]

FIG. 1 is a perspective view of a connector according to a first embodiment.

FIG. 2 is an end view of an essential part of a cross section taken along line AA of FIG. 1;

FIG. 3 is an end view of an essential part of a cross section taken along line BB of FIG. 1;

FIG. 4 (a) is a perspective view showing a state in which a groove having a substantially V-shaped cross section is formed in a laminated wood, a laminated board, or the like. (B) Obtained by winding a laminated wood, a laminated board, or the like in which a groove is formed. Perspective view of a rod-shaped member having a hollow portion

5A is a perspective view showing a state in which a semicircular groove is formed in a cross-sectional shape in a laminated material, a laminated plate, or the like. FIG. 5B is a perspective view showing a state in which a laminated material, a laminated plate, or the like in which a groove is formed is bonded. Fig. (C) A perspective view of a rod-shaped member obtained by cutting the glued laminated timber or laminated plate and grinding the outer peripheral surface.

FIG. 6 is a configuration diagram illustrating a butt joint structure using the joint tool according to the first embodiment;

FIG. 7 is a front view of a main part showing a butt joint structure.

FIG. 8 is a sectional view taken along the line CC of FIG. 5, showing a butt joint structure;

FIG. 9 is a cross-sectional view taken along the line CC of FIG. 5, schematically illustrating the flow of the adhesive;

FIG. 10 is a cross-sectional view of the connector according to the second embodiment.

FIG. 11 is a configuration diagram at the time of constructing a joint joint of a column using the connector according to the second embodiment.

12A is a cross-sectional view of a connector according to the third embodiment. FIG. 12B is a cross-sectional view of a connector according to the fourth embodiment. FIG. 12C is a perspective view of the connector according to the fourth embodiment.

FIG. 13 is a diagram showing the configuration of a large-diameter joint;

FIG. 14 is a perspective view of a connector according to the fifth embodiment.

15A is a side view of a connector according to the fifth embodiment. FIG. 15B is a perspective view of a main part of an end of the connector according to the fifth embodiment.

FIG. 16 is a cross-sectional end view showing a shape of a concave portion formed in a rod-shaped member.

FIG. 17 is a perspective view of a connector according to the sixth embodiment.

FIG. 18 is a perspective view of a connector according to the seventh embodiment.

FIG. 19 is a cross-sectional end view of a part of the connector according to the seventh embodiment.

FIG. 20 is a configuration diagram showing a joining structure in butt joint joining of structural members according to the eighth embodiment.

FIG. 21 is a schematic cross-sectional view of a joint.

FIG. 22 is a view showing the maximum proof stresses of (A) to (D) in this test.

FIG. 23 is a view showing load displacement curves (A) and (D) in the present test.

[Explanation of symbols]

1, 1a, 1b, 1c, 1d Connector 2, 2e, 2i, 2j, 2k, 2l, 2m, 2n, 2
o, 2p rod-shaped member 2a outer cylinder 2b inner cylinder 2c, 2f plate-shaped member 2d V-groove 2d 'slope 2g semi-circular groove 2h bonding surface 2n' filaments 3, 3a, 3b, 3c, 3d end 4 hollow 4a , 4b Adhesive guide part 5 Surface 6, 6a, 6c, 6d Branch pipe 6b Groove part 7 Branch pipe hollow part 7a Depression 7b, 7c, 7d Pipe-shaped part 7e Branch pipe hole 8, 8, 8 ', 8a, 8b, 8c, 8d Structural member 9, 9 ', 9a Contact surface 10, 10', 10a, 10b, 10c Hole 11, 11a, 11b Communication hole 11 ', 12' Peripheral wall 12 Branch pipe insertion portion 13 Plug 14 Adhesive 16 , 17 adhesive filling hole 21 buried groove 22 buried tree 23 slab stone 24 chipped part 25 tenon

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Masafumi Inoue 700 Otanashi, Oita City, Oita Prefecture 700-32 Oita University Dormitory on campus F-term (reference) 2E125 AA04 AA14 AA53 AB12 AC01 AC11 AC24 AC28 AG03 AG13 AG24 AG26 AG56 BA52 BB08 BB18 BB19 BB22 BB25 BB33 BC05 BC09 BD00 BE07 BF06 CA79 CA84 EA33

Claims (10)

[Claims] 1. A cross section having a substantially circular, substantially elliptical or substantially polygonal cross section, such as wood such as cedar, cypress, and oak; bamboo such as madatake and nezasa; laminated or laminated material; or paper;
Or a rod-shaped member formed in a linear or bent shape by combining them, and a hollow portion formed in the longitudinal direction of the rod-shaped member in the axial direction and opened at both ends or one end of the rod-shaped member, A connector comprising: 2. The rod-shaped member has at least an outer cylinder opened at both ends or one end, and a hollow part inserted in the outer cylinder, formed in the longitudinal direction in the axial direction, and opened at both ends or one end. The connector according to claim 1, further comprising at least one inner cylinder. 3. A recess formed in the longitudinal direction of the outer periphery of the rod-shaped member from one end or a predetermined portion near the other end to a predetermined portion near the other end or the vicinity thereof in place of the hollow portion; A pipe-shaped portion, the portion being open at the end of the rod-shaped member or near the predetermined portion, and the other end extending from the other end or the predetermined portion of the rod-shaped member by a predetermined length and fitted therein. The connector according to claim 1, wherein: 4. An opening formed in the hollow part or one opening of the pipe-shaped part, or a hole formed substantially perpendicularly in the axial direction to a predetermined part in a longitudinal direction of the hollow part or the pipe-shaped part. The connector according to any one of claims 1 to 3, wherein a branch pipe made of a tubular material is fixed. 5. The connector according to claim 1, wherein an uneven portion or a rough surface portion is formed on all or a part of the surface of the rod-shaped member. 6. At least one surface of at least one of the rod-shaped member, the pipe-shaped portion, and the branch pipe is subjected to an insect-proofing treatment, an antiseptic treatment, a germicidal treatment, a flame-retardant treatment, or a combination thereof. The connector according to any one of claims 1 to 5, wherein: 7. An outer periphery of the vertical structural member via a contact surface between the vertical and horizontal structural members made of glued laminated material, laminated material, wood, concrete, stone, or the like to be joined or jointed. A communication hole formed in the lateral structural member from a surface, the connector according to any one of claims 1 to 6 inserted into the communication hole, and the hollow part or the connector of the connector. The surface of at least the surface of the rod-shaped member is injected from one end of the pipe-shaped portion, or from the opening of the hollow portion or the branch pipe communicating with the pipe-shaped portion, and flows out from the other end of the hollow portion or the pipe-shaped portion. And an adhesive substantially filled between the peripheral walls of the communication hole. 8. A plurality of structural members made of glued laminated material, laminated material, wood, concrete, stone, or the like to be joined or jointed, and a communication hole formed in a pair on a contact surface between the structural members. The branch pipe insertion part formed by cutting the contact surface, and the connector according to any one of claims 4 to 6, which is inserted into the communication hole or the branch pipe insertion part. An adhesive that is injected from the opening of the branch pipe, flows out of the opening of at least one end of the hollow part or the pipe-shaped part, and is substantially filled between at least the surface of the rod-shaped member and the peripheral wall of the communication hole. A joint structure between structural members, comprising: 9. A plurality of structural members made of glued laminated material, laminated material, wood, concrete, stone, or the like to be joined or connected to a joint, and a plurality of communicating members perforated through a contact surface between the structural members. The hole, the cross-section inserted into the communication hole is substantially circular, any one of a substantially elliptical or substantially polygonal, cedar,
Hinoki, wood such as oak, bamboo lumber, bamboo lumber, etc., glued laminated material or laminated material, or paper material, or a rod-shaped member formed in a linear or bent shape by combining them, and the communication hole Adhesive filling holes, which are formed at two locations near the both ends and communicate with the outer surface of the structural member, and one of the adhesive filling holes injected from one of the adhesive filling holes. A bonding structure between structural members, comprising: at least a surface of the rod-shaped member which flows out or is visually recognized from another location and an adhesive substantially filled between a peripheral wall of the communication hole and the peripheral wall of the communication hole. 10. The cross section according to claim 9, wherein the cross section is any one of a substantially circular shape, a substantially elliptical shape, and a substantially polygonal shape.
Wood such as oak, bamboo such as oak and nemasa, glued laminated or laminated material, or paper, or a combination of them and has a diameter approximately the same as or slightly larger than a rod-shaped member formed in a linear or bent shape A step of drilling a pair of holes that form the communication holes in predetermined portions of the contact surfaces of a plurality of structural members made of glued laminated material, laminated material or wood, or concrete or stone material,
A step of drilling an adhesive filling hole communicating from the outer surface of the structural member excluding the contact surface to an end of each of the holes, and each of the holes drilled in the step Inserting the rod-shaped member into each of the structural members, and injecting an adhesive through one of the adhesive-filling holes to flow out or be visually recognized from the other adhesive-filling holes. Filling an adhesive between the surface of the member and the peripheral wall of the hole.