JP2012067557A - Joint metal for wooden building and connection structure of column and beam in wooden building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint metal for a wooden building and a connection structure of a column and a beam in a wooden building, capable of preventing a pair of side plates from opening, and having strong resistance force against an earthquake or the like.SOLUTION: Surfaces 20 to be pressure-welded of a pair of separation plates 19 are composed of inclined surfaces lowered as approaching the inner side, and each of angles θ formed by the pair of surfaces 20 to be pressure-welded and a pair of surfaces 24 to be joined which are both side faces of a support plate 15 is 70°. A pressure-welding surfaces 38 of a pair of insertion parts 37 are composed of inclined surfaces raised as approaching the inner side, and each of angles α formed by the pair of pressure-welding surfaces 38 and a pair of joint surfaces 36 is 70°. The insertion parts 37 are closely fitted to a connection groove 21, the pressure-welding surfaces 38 of the insertion parts 37 are abutted to the surfaces 20 to be pressure-welded of the connection groove 21, and the joint surfaces 36 of the insertion parts 37 are abutted to the surfaces 24 to be joined of the connection groove 21. When the pair of side plates 35 are to open, the pressure-welding surfaces 38 of the insertion parts 37 are pressure-welded to the surfaces 20 to be pressure-welded of the connection groove 21.

Description

  The present invention relates to a joint fitting for a wooden building and a connecting structure of columns and beams in the wooden building.

For example, Japanese Patent Application Laid-Open No. 2004-133867 discloses a joint fitting for a wooden building that joins a column and a beam of a wooden building. The architectural fitting described in Patent Document 1 includes a main joining member having a pair of protrusions (a pair of side plates). The pair of projecting portions are connected at one end side via a base portion and are spaced from each other. That is, the other end side of a pair of protrusion part becomes the open structure which is not connected.
The main joining member is attached to the column, and a part of the beam or a connecting member provided between the beam and the main joining member enters between the pair of protrusions. Moreover, since a pair of protrusion part enters into the slit formed in the beam, the side surface of the slit of a beam is located in the outer side of a pair of protrusion part.

  When a column or beam swings due to an earthquake or the like, a force in a direction in which the pair of protrusions close and a force in a direction in which the pair of protrusions open are generated. In the above-mentioned conventional joint fitting for building, a part of the beam and a connecting member provided between the beam and the main joint member are inserted between the pair of protrusions. Will have some strength.

JP 2005-307493 A

However, as described above, the other end side of the pair of protrusions is an open structure that is not connected, and only the side surfaces of the slits of the beam are located outside the pair of protrusions. However, there is a problem that a large strength cannot be exhibited with respect to the force in the opening direction, and the pair of protrusions are opened.
The present invention has been made paying attention to the above-mentioned conventional problems, and can prevent the pair of side plates from opening, and has a large resistance to earthquakes and the like. It is an object of the present invention to provide a connecting structure of columns and beams in an object.

The present invention has been made in order to solve the above-mentioned problems, and the invention of claim 1 is a joint for a wooden building for joining a column and a beam,
A column abutting plate that abuts on the column, a support plate that is fixed to the column abutting plate and protrudes toward the beam side, protrudes in a direction intersecting with a direction in which the support plate protrudes provided on the support plate, and A pair of connecting plates that are spaced apart from the column abutting plates, defined by the column abutting plates, the support plate, and the pair of separating plates, and having a pair of connecting grooves that are open at the top. A formed column side mounting member;
A beam side mounting member configured by a beam abutting plate that abuts on the beam, a pair of side plates that are fixed to the beam abutting plate and project to the column side, and a pair of insertion portions provided on the pair of side plates side And
In the fitting for a wooden building that inserts the pair of insertion portions into the pair of connection grooves from above, and connects the column side mounting member and the beam side mounting member,
The pair of insertion portions are respectively provided with pressure contact surfaces, and when the pair of side plates are opened, pressure contact surfaces to which the pressure contact surfaces are pressed are provided in the pair of connecting grooves, respectively. It is a joint fitting for wooden construction.

The invention of claim 2 is the joining bracket for a wooden building according to claim 1,
The insertion portion has a pressure contact surface and a joint surface connected to the pressure contact surface, the pressure contact surface is constituted by an inclined surface, and the connecting groove is a pressure contact surface and a surface to be joined connected to the pressure contact surface. The pressure contact surface is configured by an inclined surface set to the same inclination angle as the inclination angle of the pressure contact surface, and the pressure contact surface is in the state where the insertion portion is inserted into the connecting groove. An angle between the pressure contact surface and the surface to be bonded is an acute angle, and the angle between the pressure contact surface and the surface to be bonded is an acute angle. A joining metal fitting for wooden construction, characterized in that it has the same angle as the pressure contact surface and the joint surface.

  According to a third aspect of the present invention, in the joint for a wooden building according to the first or second aspect, the connecting groove is formed such that the width dimension gradually decreases from the upper side to the lower side, and the insertion portion is the connecting portion. Corresponding to the shape of the groove, the width dimension is formed so as to gradually decrease from the upper side to the lower side, and the insertion portion is connected to the column side mounting member and the beam side mounting member in a state of being connected. It is a joining metal fitting for wooden construction characterized by fitting in a groove.

  According to a fourth aspect of the present invention, in the joint for a wooden building according to any one of the first to third aspects, a bottom plate protruding to the beam side is fixed to a lower end portion of the column contact plate, The separation plate is fixed to both the column contact plate and the bottom plate, and a top plate protruding to the column side is fixed to the upper end portion of the beam contact plate, and the side plate and the insertion portion are connected to the beam contact plate. It is the joining metal fitting for wooden constructions fixed to both of the top boards.

  According to a fifth aspect of the present invention, in the joint fitting for wooden construction according to the fourth aspect, the upper end surfaces of the support plate and the separating plate are in contact with the lower surface of the top plate in a state where the insertion portion is inserted into the connecting groove, and the side plate The lower end surface of the insertion portion is in contact with the upper surface of the bottom plate.

  Invention of Claim 6 is the connection structure of the pillar and beam in the wooden building characterized by the pillar and the beam being joined by the joining bracket for wooden buildings according to any one of Claims 1 to 5. .

  According to the joint structure for a wooden building of the present invention and the column and beam connection structure in the wooden building, when the pair of side plates are opened, the pressure contact surface of the insertion portion is pressed against the pressure contact surface of the connection groove. It is possible to prevent the pair of side plates from opening. Therefore, sufficient strength can be exhibited with respect to the force in the direction in which the pair of side plates open, and it has a large resistance against earthquakes and the like.

It is a perspective view of the joining metal fittings for wooden buildings concerning Embodiment 1 of the present invention. It is a perspective view which shows the state which attached the joining metal fitting for wooden buildings of FIG. 1 to the pillar and the beam. It is a side view which shows a mode that the insertion part of the joining metal fittings for wooden buildings of FIG. 1 is inserted in a connection groove | channel. It is a side view which shows the state which inserted the insertion part of the joining metal fittings for wooden buildings of FIG. 1 completely in the connection groove | channel. It is a perspective view which shows the state which connected the column side attaching part and the beam side attaching part of the joining bracket for wooden buildings of FIG. It is AA sectional drawing of the joining metal fitting for wooden buildings of FIG. It is a perspective view of the joining metal fittings for wooden buildings concerning Embodiment 2 of the present invention. It is a side view which shows a mode that the insertion part of the joining metal fittings for wooden buildings of FIG. 7 is inserted in a connection groove | channel. It is a side view which shows the state which inserted the insertion part of the joining metal fittings for wooden buildings of FIG. 7 completely in the connection groove | channel.

A wooden fitting 1 for a wooden building according to Embodiment 1 of the present invention will be described with reference to FIGS. The metal fitting 1 for wooden construction is constituted by a column side mounting portion 3 and a beam side mounting portion 23.
A detailed configuration of the column side mounting portion 3 will be described. In addition, when referring to the left-right direction, the front-rear direction, and the up-down direction, reference is made to FIGS.
Reference numeral 5 denotes a column abutting plate, and two round holes 7 are formed at both ends of the column abutting plate 5 in the front-rear direction, and the two round holes 7 are arranged at intervals in the vertical direction. Has been.
A bottom plate 11 is fixed to the lower end surface of the column abutting plate 5, and the bottom plate 11 projects rightward of the column abutting plate 5. A bolt insertion hole 13 is formed at the right end of the bottom plate 11.

Reference numeral 15 denotes a support plate. The support plate 15 is provided at the center of the column contact plate 5 in the front-rear direction, and protrudes to the right of the column contact plate 5. The support plate 15 is fixed to both the column contact plate 5 and the bottom plate 11. A female screw hole 17 is formed in the upper surface of the support plate 15.
A pair of spacing plates 19 extending in the vertical direction are integrally provided at the right end portion of the support plate 15, and the pair of spacing plates 19 are disposed before and after the support plate 15 with the support plate 15 interposed therebetween. These separation plates 19 are in a state of being separated from the column contact plate 5. The pair of separation plates 19 are fixed to the bottom plate 11 in the same manner as the support plate 15. Accordingly, the pair of separation plates 19, the support plate 15, the bottom plate 11, and the column contact plate 5 are integrated to form a sturdy structure.

As shown in FIG. 6, the end surfaces (left end surfaces) of the pair of separation plates 19 on the column contact plate 5 side are pressure contact surfaces 20 of connecting grooves 21 described later, respectively. It is constituted by an inclined surface that descends toward the inner side (support plate 15 side). The angles θ formed by the pair of pressure-contact surfaces 20 and the pair of surfaces to be bonded 24 that are both side surfaces of the support plate 15 are 70 °. Accordingly, the recesses 22 are formed between the pair of pressure contact surfaces 20 and the pair of surfaces to be joined 24, respectively.
Further, the angle φ of the corner portion 19a of the pair of separation plates 19, that is, the angle φ formed by the pair of pressure contact surfaces 20 and the front (rear) side surfaces of the pair of separation plates 19 is also 70 °. .

  As shown in FIG. 1, a pair of connecting grooves 21 defined by the column contact plate 5, the support plate 15, and the pair of separation plates 19 are formed on both sides of the support plate 15 in the front-rear direction. The connecting groove 21 has the pair of recesses 22. That is, the pair of recesses 22 constitutes a part of the pair of connecting grooves 21. Each connecting groove 21 has a pressure contact surface 20 and a surface to be bonded 24 connected to the pressure contact surface 20. The pair of connecting grooves 21 are open on the upper surface and the front (rear) side surface.

The detailed structure of the beam side attachment part 23 is demonstrated.
Reference numeral 25 denotes a beam abutting plate. The beam abutting plate 25 is formed with two round holes 27 (see FIG. 6) at intervals in the vertical direction.
A top plate 31 is fixed to the upper end surface of the beam abutting plate 25, and the top plate 31 protrudes leftward of the beam abutting plate 25. Bolt insertion holes 33 are formed in the top plate 31.

Reference numeral 35 denotes a pair of side plates. The pair of side plates 35 is provided at both ends of the beam contact plate 25 in the front-rear direction, and the pair of side plates 35 protrudes to the left of the beam contact plate 25. These side plates 35 are fixed to both the beam contact plate 25 and the top plate 31.
A pair of insertion portions 37 made of a flat plate extending in the up-down direction are fixed to the inner side surfaces of the left end portions of the pair of side plates 35, and these insertion portions 37 are arranged at intervals in the front-rear direction. The insertion portion 37 is fixed to the top plate 31 similarly to the side plate 35. Accordingly, the pair of side plates 35, the pair of insertion portions 37, the top plate 31, and the beam contact plate 25 are integrated to form a sturdy structure.

As shown in FIG. 6, the end surfaces (right end surfaces) of the pair of insertion portions 37 on the beam contact plate 25 side are respectively pressure contact surfaces 38, and these pressure contact surfaces 38 are inclined to rise inward. It is composed of surfaces. A joint surface 36 is connected to each of the pair of press contact surfaces 38. The angle α of the corner portion 37a of the pair of insertion portions 37, that is, the angle α formed by the pair of pressure contact surfaces 38 and the pair of joint surfaces 36 is 70 °. Therefore, the pressure contact surfaces 38 of the pair of insertion portions 37 and the pressure contact surfaces 20 of the pair of connecting grooves 21 have the same inclination angle.
In addition, the angles β formed by the pair of press contact surfaces 38 and the inner surfaces of the pair of side plates 35 are also 70 °. Accordingly, a recess 39 is formed between the pair of pressure contact surfaces 38 and the inner side surfaces of the pair of side plates 35.

As described above, since the angles θ and φ and the angles α and β are all set to 70 °, the corners 37a of the pair of insertion portions 37 fits closely into the recesses 22 of the pair of connecting grooves 21, and the pair of spaced apart The corners 19a of the plate 19 are fitted to the pair of recesses 39 on the insertion portion 37 side.
In addition, semicircular cutouts 43 are formed on the opposing surfaces of the pair of insertion portions 37, and these cutouts 43 face each other. The notch 43 is disposed at a position facing the round hole 27 of the beam contact plate 25.

Reference numeral 40 denotes a bottomed cylindrical bolt cup, and a bolt insertion hole 41 is formed in the bottom plate of the bolt cup 40. Four bolt cups 40 are provided on the column abutting plate 5, and the four bolt cups 40 are arranged corresponding to the four round holes 7, and the openings of these bolt cups 40 are round holes 7. Is fixed to the left side surface of the column abutting plate 5. Two bolt cups 40 are also provided on the beam abutting plate 25, and the two bolt cups 40 are arranged corresponding to the two round holes 27, and these bolt cups 40 have openings. The beam contact plate 25 is fixed to the right side surface in a state of communicating with the round hole 27.
A nut 42 is fixed to the lower end portion of the right side surface of the beam contact plate 25.

As shown in FIG. 2, the column side attachment portion 3 is attached to the column S.
A state where the column side mounting portion 3 is mounted on the column S will be described.
The bolt cup 40 is inserted into a round hole (not shown) formed in the pillar S. The column abutting plate 5 is fitted in a recess (not shown) formed in the column S, and the right side surface of the column abutting plate 5 and the right side surface of the portion where the recess (not shown) is not formed are the same surface. It has become.

  Four lag screw bolts 44 are embedded in the column S, and the female screw portions 45 of the four lag screw bolts 44 oppose the four bolt cups 40 of the column side mounting portion 3. As shown in FIG. 6, the bolt 46 passed through the washer is inserted into the bolt insertion hole 41 of the bolt cup 40, and the bolt 46 is screwed into the female screw portion 45. The head of the bolt 46 is accommodated in the bolt cup 40.

Further, the beam-side attachment portion 23 is attached to the beam R as shown in FIG.
A state in which the beam-side attachment portion 23 is attached to the beam R will be described.
The bolt cup 40 is inserted into a round hole (not shown) formed in the beam R, and the beam side mounting portion 23 is fitted in a groove (not shown) formed at the end of the beam R. The left side surface of the top plate 31, the side plate 35, and the insertion portion 37 and the left side surface of the beam R where a groove (not shown) is not formed are the same surface. Further, the upper surface of the top plate 31 and the upper surface of the portion of the beam R where a groove (not shown) is not formed are also the same surface.

  Two lag screw bolts 47 are embedded in the beam R, and the female screw portions 49 of the two lag screw bolts 47 are opposed to the two bolt cups 40 of the beam side mounting portion 23. As shown in FIG. 6, the bolt 51 passed through the washer is inserted into the bolt insertion hole 41 of the bolt cup 40, and the bolt 51 is screwed into the female screw portion 49. The head of the bolt 51 is accommodated in the bolt cup 40.

Since the heads of the bolts 46 and 51 are accommodated in the bolt cup 40 as described above, the heads of the bolts 46 and 51 are obstructive when the insertion portion 37 is inserted into the connecting groove 21 as described later. Can be prevented.
As described above, since the notches 43 are formed in the pair of insertion portions 37, when the bolt 51 is attached to the female screw portion 49, it can be passed between the pair of insertion portions 37. Yes.

Next, a method for joining columns and beams will be described.
The beam R is lifted by a crane or the like, and the insertion portion 37 of the beam side attachment portion 23 attached to the column S is positioned above the connection groove 21 of the column side attachment portion 3 attached to the beam R. Next, the beam R is lowered in a horizontal posture, and the pair of insertion portions 37 are fitted into the pair of connecting grooves 21 from above as shown in FIG. At this time, the corner 37a of the insertion portion 37 is inserted into the recess 22, and the corner 19a of the spacing plate 19 is inserted into the recess 39.

  The beam R is further lowered, and the insertion portion 37 is completely inserted into the connecting groove 21 as shown in FIG. The insertion portion 37 fits snugly into the connection groove 21, the pressure contact surface 38 of the insertion portion 37 abuts against the pressure contact surface 20 of the connection groove 21, and the joint surface 36 of the insertion portion 37 contacts the surface to be joined 24 of the connection groove 21. Touch. That is, the corners 37a of the pair of insertion portions 37 are fitted into the pair of recesses 22, and the corners 19a of the pair of separation plates 19 are fitted into the pair of recesses 39, so that the pair of pressure contact surfaces 38 and the pair of pressure contact surfaces 20 are fitted. Are brought into contact with each other, and the pair of joining surfaces 36 and the pair of joined surfaces 24 are brought into contact with each other.

Further, the lower end surfaces of the insertion portion 37 and the side plate 35 are in contact with the upper surface of the bottom plate 11, and the lower surface of the top plate 31 is in contact with the upper end surfaces of the support plate 15 and the separation plate 19.
As described above, the lower end surfaces of the insertion portion 37 and the side plate 35 are in contact with the upper surface of the bottom plate 11, and the lower surface of the top plate 31 is in contact with the upper end surfaces of the support plate 15 and the separation plate 19. Can be prevented.

Next, a bolt 53 (see FIG. 2) is inserted into the bolt insertion hole 33 of the top plate 31, and the bolt 53 is screwed into the female screw hole 17. Further, the bolt 55 is inserted into the bolt insertion hole 13 of the bottom plate 11, and the bolt 55 is screwed into the nut 42.
Thereby, as shown in FIG. 5, the pillar S and the beam R are joined by the joining bracket 1 for wooden construction.

  As described above, the corners 37a of the pair of insertion portions 37 are fitted into the pair of recesses 22, and the corners 19a of the pair of separation plates 19 are fitted into the pair of recesses 39, so that the pair of pressure contact surfaces 38 and the pair of pressure contact are fitted. The surfaces 20 are in contact with each other. Therefore, the force in the direction in which the pair of side plates 35 opens by the occurrence of an earthquake and the pillars S and R are shaken, that is, the upper (lower) side plate 35 in FIG. When a force that rotates in the clockwise direction is generated and the pair of side plates 35 is to be opened, the pressure contact surface 38 of the insertion portion 37 comes into pressure contact with the pressure contact surface 20 of the connecting groove 21. Therefore, the pair of side plates 35 can be prevented from opening.

  Moreover, as described above, the pressure contact surfaces 38 of the pair of insertion portions 37 and the pressure contact surfaces 20 of the pair of connecting grooves 21 are set to the same inclination angle. Further, the angles α formed by the pair of pressure contact surfaces 38 and the pair of bonding surfaces 36 are 70 °, respectively, and the angles θ formed by the pair of pressure contact surfaces 20 and the pair of bonded surfaces 24 are also 70 °, respectively. It has become. Therefore, the pressure contact surface 38 of the insertion portion 37 is guided by the pressure contact surface 20 of the connection groove 21, and the joining surface 36 of the insertion portion 37 is guided by the surface to be joined 24 of the connection groove 21, so that the corner portion 37 a of the insertion portion 37 is obtained. Bite into the corner 22a of the recess 22.

Thus, since the corner portion 37a of the insertion portion 37 bites into the corner portion 22a of the recess portion 22, it is possible to prevent the corner portion 37a of the insertion portion 37 from being detached from the recess portion 22, and the pressure contact surface 38 of the insertion portion 37. Can be held in pressure contact with the pressure contact surface 20 of the connecting groove 21. Therefore, the pair of side plates 35 can be reliably prevented from opening.
Therefore, sufficient strength can be exerted with respect to the force in the direction in which the pair of side plates 35 opens, and a large resistance against earthquakes and the like can be achieved.

  Even if the pair of side plates 35 closes and the pair of side plates 35 tries to close, the support plate 15 and the separation plate 19 are inserted between the pair of side plates 35. The side plate 35 comes into pressure contact with the support plate 15 and the separation plate 19. Therefore, the pair of side plates 35 can be prevented from closing.

As described above, the insertion portion 37 is fitted in the connecting groove 21, the lower surface of the top plate 31 is fixed by the bolts 53 in contact with the upper end surfaces of the support plate 15 and the separation plate 19, and the upper surface of the bottom plate 11 is the insertion portion. 37 and a bolt 55 in contact with the lower end surface of the side plate 35.
Therefore, in the connection structure of the pillar and the beam in the wooden building using the joint metal fitting 1 for the wooden construction, the pillar S and the beam R are joined with sufficient strength with respect to the force in the horizontal direction, the front-rear direction, and the vertical direction. Can do.

Next, the metal fitting 61 for wooden construction according to the second embodiment will be described with reference to FIGS.
Since the joint fitting 61 for wooden construction according to the second embodiment has the same constituent parts as the joint fitting 1 for wooden constructions according to the first embodiment, the same constituent parts as the joint fitting 1 for wooden constructions. Are omitted by giving the same reference numerals.
In FIG. 7, reference numeral 63 indicates a pair of spacing plates, and the pair of spacing plates 63 are inclined in a direction approaching the column contact plate 5 as it goes downward. Therefore, the width dimension of the pair of connecting grooves 65 defined by the column abutting plate 5, the support plate 15, and the pair of spacing plates 63 gradually decreases from the top to the bottom.
Note that the end surface of the spacer plate 63 on the column contact plate 5 side is a pressure contact surface 20.

Reference numeral 67 denotes a pair of inclined members made of flat plates extending in the vertical direction. The pair of inclined members 67 are fixed to the inner side surfaces of the pair of side plates 35, and the pair of inclined members 67 are spaced from each other in the front-rear direction. Are arranged. The pair of inclined members 67 are inclined in a direction approaching the left end of the side plate 35 as it goes downward. The inclined member 67 and the separation plate 63 are set at the same inclination angle.
An end surface of the inclined member 67 on the beam contact plate 25 side is a pressure contact surface 38.

An insertion portion 69 is configured by the inclined member 67, the portion of the side plate 35 to which the inclined member 67 is fixed, and the portion on the left side of the portion of the side plate 35 to which the inclined member 67 is fixed. Corresponding to the shape of the connecting groove 65 described above, the width dimension is formed so as to gradually decrease from the upper side to the lower side.
Therefore, the upper end portion of the connecting groove 65 is larger in width than the lower end portion of the insertion portion 69.

  As described above, the width of the upper end portion of the connecting groove 65 is larger than that of the lower end portion of the insertion portion 69. Therefore, the lower end portion of the insertion portion 69 is inserted into the upper end portion of the connection groove 65 as shown in FIG. In the state, there is a gap between the side surface of the insertion portion 69 and the side surface of the connecting groove 65. Therefore, even if the position of the insertion portion 69 and the connection groove 65 is slightly shifted due to the inclination of the beam R, the operation of inserting the insertion portion 69 into the connection groove 65 is not hindered. It can be easily inserted into the connecting groove 65.

As shown in FIG. 9, in a state where the insertion portion 69 is completely inserted into the connecting groove 65, the insertion portion 69 is sandwiched between the separation plate 63 and the column contact plate 5. Therefore, the insertion part 69 fits in the connecting groove 65 without any play.
Further, even if an earthquake occurs and the column S and the beam R are shaken to open the pair of side plates 35, the pressure contact surface 38 of the inclined member 67 is in pressure contact with the pressure contact surface 20 of the connecting groove 65. In the same manner as described above, the pair of side plates 35 can be prevented from opening.

The embodiment of the present invention has been described in detail above. However, the specific configuration is not limited to this embodiment, and the present invention can be changed even if there is a design change without departing from the gist of the present invention. included.
In the first and second embodiments, the angles θ, φ, α, and β are set to 70 °. However, the angles θ, φ, α, and β are not limited to 70 ° as long as they are smaller than 90 °.
In addition, the connecting grooves 21 and 65 are configured such that the upper surface and the front (rear) side surface are opened. However, the connecting grooves 21 and 65 are configured so that only the upper surface is opened and all other surfaces are closed. May be.
In the second embodiment, the insertion part 69 is constituted by the inclined member 67 and a part of the side plate 35. That is, the insertion part 69 is constituted by two members, but the insertion part 69 is constituted by only one member. May be.

  INDUSTRIAL APPLICABILITY The present invention can be used in the manufacturing industry of joint fittings for wooden buildings.

DESCRIPTION OF SYMBOLS 1 ... Joining metal fittings for wooden buildings 3 ... Column side attachment part 5 ... Column contact plate 7 ... Round hole 11 ... Bottom plate 13 ... Bolt insertion hole 15 ... Support plate 17 ... Female screw hole 19 ... Separation plate 20 ... Pressure contact surface DESCRIPTION OF SYMBOLS 21 ... Connecting groove 22 ... Recessed part 23 ... Beam side attaching part 24 ... Joined surface 25 ... Beam contact plate 27 ... Round hole 31 ... Top plate 33 ... Bolt insertion hole 35 ... Side plate 36 ... Joining surface 37 ... Insertion part 38 ... Pressure contact surface 39 ... Recess 40 ... Bolt cup 41 ... Bolt insertion hole 42 ... Nut 43 ... Notch 44, 47 ... Lag screw bolt 45, 49 ... Female thread 46,51,53,55 ... Bolt 61 ... For wooden construction 63 ... Separation plate 65 ... Connection groove 67 ... Inclined member 69 ... Insertion part S ... Column R ... Beam

Claims (6)

It is a joint fitting for wooden buildings that joins columns and beams,
A column abutting plate that abuts on the column, a support plate that is fixed to the column abutting plate and protrudes toward the beam side, protrudes in a direction intersecting with a direction in which the support plate protrudes provided on the support plate, and A pair of connecting plates that are spaced apart from the column abutting plates, defined by the column abutting plates, the support plate, and the pair of separating plates, and having a pair of connecting grooves that are open at the top. A formed column side mounting member;
A beam side mounting member configured by a beam abutting plate that abuts on the beam, a pair of side plates that are fixed to the beam abutting plate and project to the column side, and a pair of insertion portions provided on the pair of side plates side And
In the fitting for a wooden building that inserts the pair of insertion portions into the pair of connection grooves from above, and connects the column side mounting member and the beam side mounting member,
The pair of insertion portions are respectively provided with pressure contact surfaces, and when the pair of side plates are opened, pressure contact surfaces to which the pressure contact surfaces are pressed are provided in the pair of connecting grooves, respectively. Joint fitting for wooden construction. In the joining metal fittings for wooden buildings according to claim 1,
The insertion portion has a pressure contact surface and a joint surface connected to the pressure contact surface, the pressure contact surface is constituted by an inclined surface, and the connecting groove is a pressure contact surface and a surface to be joined connected to the pressure contact surface. The pressure contact surface is configured by an inclined surface set to the same inclination angle as the inclination angle of the pressure contact surface, and the pressure contact surface is in the state where the insertion portion is inserted into the connecting groove. An angle between the pressure contact surface and the surface to be bonded is an acute angle, and the angle between the pressure contact surface and the surface to be bonded is an acute angle. The metal fitting for wooden construction, characterized in that the angle formed by the pressure contact surface and the joint surface is the same.   In the joining metal fittings for wooden buildings according to claim 1 or 2, the connecting groove is formed so that the width dimension gradually decreases from the upper side to the lower side, and the insertion portion corresponds to the shape of the connecting groove. The width dimension is formed so as to gradually decrease from the upper side to the lower side, and the insertion portion is fitted into the connection groove in a state where the column side mounting member and the beam side mounting member are connected. Metal fittings for wooden construction.   4. The joint member for a wooden building according to claim 1, wherein a bottom plate projecting to the beam side is fixed to a lower end portion of the column contact plate, and the support plate and the separation plate are connected to the column contact plate. Fixed to both the plate and the bottom plate, a top plate protruding to the column side is fixed to the upper end of the beam contact plate, and the side plate and the insertion portion are fixed to both the beam contact plate and the top plate. Metal fittings for wooden construction characterized by being made.   In the metal fitting for a wooden building according to claim 4, the upper end surfaces of the support plate and the separation plate are in contact with the lower surface of the top plate in a state where the insertion portion is inserted into the connecting groove, and the lower end surfaces of the side plate and the insertion portion are A metal fitting for wooden construction, characterized in that it abuts against the upper surface of the bottom plate.   A pillar-to-beam connection structure in a wooden building, wherein the pillar and the beam are joined by the wooden building joint metal fitting according to any one of claims 1 to 5.

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