JP5660825B2 - Joining metal fittings for wooden buildings and connecting structures of columns and beams in wooden buildings - Google Patents

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 two-member connecting bracket for a building described in Patent Document 1 has a vertical plate-like portion, and a notch or a bolt insertion hole is formed in the vertical plate-like portion.
When joining a column and a beam, first, a two-member connecting bracket is fixed to the column with a bolt. Then, after putting the vertical plate-like portion into the groove of the beam, the bolt is inserted into the notch or the bolt insertion hole of the beam and the vertical plate-like portion, and the nut is screwed into the portion protruding from the beam of the bolt.

  The vertical plate-like portion of the conventional joint fitting is made of a relatively thin steel plate or the like. When an earthquake or the like occurs, the notch in the vertical plate-like part and the inner peripheral surface of the bolt insertion hole will hit the bolt strongly, but the notch in the vertical plate-like part made of thin steel plate etc. and the bolt insertion hole Since the thickness dimension of the inner peripheral portion of the bolt is small, a large shearing force is applied to the bolt, and the bolt may be broken.

  Therefore, it is conceivable to use a joint fitting including a column side member having a connection groove and a beam side member having an insertion portion inserted into the connection groove. In this type of joint fitting, the insertion portion is inserted into the connection groove, and the column side member and the beam side member are connected, so the connection groove and the insertion portion are joined in a large area, and the above-described problems occur. It does not occur. In order for the insertion portion to be free of play with respect to the connection groove, it is necessary to form the insertion portion with a width dimension that fits exactly into the connection groove.

JP 2008-240440 A

However, there is a problem in that when the insertion portion is inserted into the connection groove, the insertion portion cannot be inserted into the connection groove if the position is slightly shifted.
In actual construction work, the column side member is attached to the column, and the beam side member is attached to the beam, and then the beam is lifted by a crane or the like, and the insertion side of this beam side member is attached to the upright column. It will be inserted into the connecting groove of the member. In this operation, it is almost impossible to keep the position of the insertion portion and the connection groove from shifting, and as a result, the joint fitting connected by the insertion portion and the connection groove as described above cannot be adopted. It was.

  The present invention has been made by paying attention to the above-mentioned conventional problems, and even when the insertion portion and the connection groove are slightly displaced when the insertion portion is inserted into the connection groove, the insertion portion is positioned with respect to the connection groove. It is an object of the present invention to provide a connecting member for a wooden building that can be easily inserted and a connecting structure of columns and beams in a wooden building.

The present invention has been made to solve the above problems, and the invention of claim 1 is a metal fitting for a wooden building that joins a column and a beam, and a column abutting plate that abuts on the column, A support plate fixed to the column contact plate and protruding toward the beam; and a support plate fixed to the support plate and protruding in a direction perpendicular to the direction in which the support plate protrudes, and spaced apart from the column contact plate. A column-side mounting member having a pair of connecting grooves that are formed by the column abutting plate, the support plate, and the spacing plate and having an upper surface open, and a beam contact that abuts the beam. A beam-side mounting member configured by a contact plate, a pair of side plates fixed to the beam contact plate and projecting to the column side, and a pair of insertion portions provided on the pair of side plates. The column side mounting member and the beam side mounting member are inserted into the connecting groove from above. In the joint fitting for wooden construction, the width of the connection groove gradually decreases from the top to the bottom, and the insertion portion corresponds to the shape of the connection groove. to being formed so as to gradually decrease the width dimension toward, while connecting the beam-side mounting member and the pillar-side attachment member that pulls in the insertion portion is fitted into the connecting groove, said post Holes for inserting bolts penetrating the pillars are respectively formed at both ends of the abutting plate, and a pair of nuts screwed into tip ends of the bolts protruding from the respective holes sandwich the pair of insertion portions. It is provided with a small gap on both outer sides thereof , and is a metal fitting for wooden construction characterized in that the pair of insertion portions are prevented from being pressed when trying to open outward .

  According to a second aspect of the present invention, in the joining member for a wooden building according to the first aspect, a bottom plate protruding to the beam side is fixed to a lower end portion of the column abutting plate, and the support plate and the separating plate are the column. Fixed to both the contact 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 both the beam contact plate and the top plate. It is the joining metal fittings for wooden buildings characterized by being fixed to.

  According to a third aspect of the present invention, in the joining tool for a wooden building according to the second 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.

The invention according to claim 4 is a connecting structure of pillars and beams in a wooden building, wherein the pillars and beams are joined together by the wooden building joint metal fittings according to claims 1 to 3 .

  According to the joint structure for a wooden building of the present invention and the connection structure between the pillar and the beam in the wooden building, even if the position of the insertion portion and the connection groove is slightly shifted when the insertion portion is inserted into the connection groove, the insertion portion Can be easily inserted into the connecting groove. Therefore, it is possible to employ a joint fitting having an insertion portion and a connecting groove.

It is a perspective view of the joining metal fittings for wooden buildings concerning an embodiment of the 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 is inserted in a connection groove | channel. It is a side view which shows the state which inserted the insertion part further in the connection groove | channel. It is a side view which shows the state which inserted the insertion part 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. It is AA sectional drawing of the joining metal fitting for wooden buildings of FIG. It is BB sectional drawing of the joining metal fitting for wooden buildings of FIG. It is a perspective view of the column base metal fittings. It is the perspective view which looked at the lower end part of the pillar from the lower side. It is a side view which shows the state which connected the pillar to the foundation with the column base structure metal fitting. It is a perspective view which shows the state which connected the pillar to the foundation with the column base structure metal fitting.

A metal fitting 1 for a wooden building according to an embodiment 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. Four bolt insertion holes 9 are formed at both ends of the column abutting plate 5 in the front-rear direction, and the four bolt insertion holes 9 are spaced apart in the vertical direction. Are arranged.
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 the support plate 15 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 nut 17 is fixed to the upper end portion of the support plate 15.
A separation plate 19 is integrally provided at the right end portion of the support plate 15, and the separation plate 19 is separated from the column contact plate 5. The spacing plate 19 protrudes in the front-rear direction from the support plate 15, and the lower end portion of the spacing plate 19 is fixed to the bottom plate 11 in the same manner as the support plate 15. Accordingly, the separation plate 19, the support plate 15, the bottom plate 11, and the column contact plate 5 are integrated to form a sturdy structure.

The spacing plate 19 is inclined in a direction approaching the column contact plate 5 as it goes downward.
On both sides of the support plate 15 in the front-rear direction, a pair of connection grooves 21 defined by the column contact plate 5, the support plate 15, and the separation plate 19 are formed. The pair of connection grooves 21 are formed on the upper surface and the front side. The (rear) side surface is open.
As described above, since the separating plate 19 is inclined in a direction approaching the column contact plate 5 as it goes downward, the width dimension of the pair of connecting grooves 21 gradually decreases from the top to the bottom. .
A positioning pipe 22 is fixed to the left side surface of the column abutting plate 5 so as to protrude straight in the left direction.

The detailed structure of the beam side attachment part 23 is demonstrated.
Reference numeral 25 denotes a beam abutting plate, and two bolt insertion holes 27 are formed in the beam abutting plate 25 at intervals in the vertical direction. A nut 29 is fixed to the lower end portion of the left side surface of the beam contact plate 25.
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. A bolt insertion hole 33 is formed at the left end of the top plate 31.

  Reference numeral 35 denotes a pair of side plates. The pair of side plates 35 are fixed to both end surfaces of the beam contact plate 25 in the front-rear direction, and the pair of side plates 35 are fixed to the top plate 31. The pair of side plates 35 have base end portions arranged in parallel to each other and extending in the left direction, and are inclined in a direction approaching each other from a middle portion (see FIG. 7).

A pair of insertion plates 37 are integrally formed at the left end portions of the pair of side plates 35, and the pair of insertion plates 37 are arranged in parallel to each other. Further, the upper end portions of the pair of insertion plates 37 are fixed to the top plate 31 similarly to the pair of side plates 35. Accordingly, the pair of side plates 35, the pair of insertion plates 37, the top plate 31, and the beam contact plate 25 are integrated to form a sturdy structure.
In addition, a pair of ridges 39 extending in the vertical direction are formed on the inner surfaces of the pair of side plates 35, and the pair of ridges 39 are arranged at intervals in the front-rear direction. The pair of ridges 39 is inclined in a direction approaching the insertion plate 37 as it goes downward. The ridges 39 and the separation plate 19 are set at the same inclination angle.

An insertion portion 41 is constituted by the insertion plate 37 and the ridge 39, and the insertion portion 41 has a width dimension that gradually decreases from the upper side to the lower side corresponding to the shape of the connecting groove 21 described above. Is formed.
In addition, semicircular cutouts 43 are formed on the opposing surfaces of the pair of ridges 39, and these cutouts 43 face each other. The notch 43 is disposed at a position facing the bolt insertion hole 27 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 positioning pipe 22 of the column side mounting portion 3 is inserted into a positioning hole (not shown) formed in the column S. Therefore, it is possible to easily attach the column side attachment portion 3 to a predetermined position of the column 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 column S are the same surface. A bolt 45 passes through the column S, and the bolt 45 is inserted into the bolt insertion hole 9 of the column abutting plate 5. A nut (not shown) is passed through the tip of the bolt 45 protruding from the bolt insertion hole 9 and then a nut 46 is screwed.

Further, as shown in the figure, the beam-side attachment portion 23 is attached to the beam R.
A state in which the beam-side attachment portion 23 is attached to the beam R will be described.
The beam side mounting portion 23 is fitted in a groove (not shown) formed at the end of the beam R, and the left side surface of the top plate 31 and the insertion plate 37 and the left side surface of the beam R where the groove (not shown) is not formed. Are on the same plane. 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 respectively opposed to the bolt insertion holes 27 of the beam side mounting portion 23. The bolt 51 passed through the washer is inserted into the bolt insertion hole 27, and the bolt 51 is screwed into the female screw portion 49.

  As described above, since the notches 43 are formed in the pair of ridges 39, when the bolt 51 is attached to the female screw portion 49, it can be passed between the pair of ridges 39. Yes.

Next, a method for joining columns and beams will be described.
As shown in FIG. 11, the column S is connected to the base D via a column base structure fitting 61 described later.
The beam R is lifted by a crane or the like, and the insertion portion 41 of the beam side mounting portion 23 attached to the column S is positioned above the connection groove 21 of the column side mounting portion 3 attached to the beam R. Next, the beam R is lowered in a horizontal posture, and the insertion portion 41 is inserted into the connecting groove 21 from above as shown in FIG.

  As described above, the width dimension of the connecting groove 21 gradually decreases from the upper side to the lower side, and the width dimension of the insertion portion 41 also gradually decreases from the upper side to the lower side corresponding to the shape of the connecting groove 21. It is getting smaller. Therefore, the upper end portion of the connecting groove 21 is larger in width than the lower end portion of the insertion portion 41.

As described above, the width of the upper end portion of the connecting groove 21 is larger than that of the lower end portion of the insertion portion 41. Therefore, even if the position of the insertion portion 41 is slightly shifted, the lower end portion of the insertion portion 41 is connected to the connection groove 21. It can be easily inserted into the upper end of the. Therefore, in a state where the lower end portion of the insertion portion 41 is inserted into the upper end portion of the connection groove 21, there is a gap between the side surface of the insertion portion 41 and the side surface of the connection groove 21.
Therefore, even if the position of the insertion portion 41 and the connection groove 21 is slightly shifted due to the inclination of the beam R, the operation of inserting the insertion portion 41 into the connection groove 21 is not hindered.

  As described above, the ridge 39 and the spacing plate 19 are set at the same inclination angle. Therefore, when the beam R is further lowered as shown in FIG. 4, the right side surface of the ridge 39 becomes the left side surface of the spacing plate 19. The insertion portion 41 is guided by the spacer plate 19 and is inserted to the lower end portion of the connecting groove 21. As shown in FIG. 5, the lower end surface of the insertion portion 41 comes into contact with the upper surface of the bottom plate 11, and the insertion portion 41 is completely inserted into the connecting groove 21.

In this state, the protrusions 39 are in contact with the separation plate 19 and the insertion plate 37 is in contact with the column contact plate 5 (see FIGS. 7 and 8). That is, the insertion portion 41 is sandwiched between the separation plate 19 and the column contact plate 5. Therefore, the insertion part 41 fits in the connecting groove 21 without any play.
Further, the lower end surface of the side plate 35 is also 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.
The nut 46 screwed to the tip of the bolt 45 is provided in the insertion plate 37 with a slight gap.

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 nut 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 29.
Thereby, as shown in FIG. 6, the pillar S and the beam R are joined by the joining bracket 1 for wooden construction.

  As described above, the right side surface of the ridge 39 is in contact with the left side surface of the spacer plate 19, and the left side surface of the insertion plate 37 is in contact with the right side surface of the column contact plate 5 (see FIGS. 7 and 8). Further, the lower end surfaces of the insertion plate 37, the side plate 35, and the ridge 39 are in contact with the upper surface of the bottom plate 11, and the upper end surfaces of the support plate 15 and the separation plate 19 are in contact with the lower surface of the top plate 31. Therefore, the insertion part 41 and the connecting groove 21 are joined with a large area.

  Thus, since the insertion part 41 and the connection groove | channel 21 are joined by a big area, even if an earthquake occurs and the pillar S and the beam R shake severely, it concentrates on a part of insertion part 41, and a big shear force is added. The load is received by the entire metal fitting. Accordingly, it is possible to prevent the insertion portion 41 and the like from being damaged.

Further, since the nut 46 screwed into the tip of the bolt 45 is provided with a slight gap in the insertion plate 37, the nut 46 plays a role of pressing the insertion plate 37. Therefore, it is possible to prevent the insertion plate 37 from opening outward.
Thus, 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 against the forces in the left-right direction, the front-rear direction, and the up-down direction. It is possible.

Next, the structure of the column base structure fitting 61 will be described with reference to FIGS.
In FIG. 9, reference numeral 63 denotes a steel main body portion. The main body portion 63 includes a bottom plate 65, side plates 67 provided at both left and right ends of the bottom plate 65, an intermediate plate 69 provided at an intermediate portion of the bottom plate 65, and a ceiling plate. It consists of a plate 71. The main body 63 opens to the front side and the rear side.

Two bolt insertion holes 75 are formed in the bottom plate 65, and the two bolt insertion holes 75 are arranged on the left and right sides of the intermediate plate 69. The top plate 71 is also formed with two bolt insertion holes 77, and the two bolt insertion holes 77 are also arranged on the left and right sides of the intermediate plate 69.
A positioning pipe 79 protruding straight upward is fixed to the upper surface of the top plate 71.

  Reference numerals 81 and 83 denote a pair of steel clamping plates. The pair of clamping plates 81 and 83 are fixed to both left and right ends of the top plate 71 by welding, and the pair of clamping plates 81 and 83 face each other. ing. Four screw insertion holes 87 are formed in the clamping plates 81 and 83, respectively.

Reference numeral 85 denotes a triangular support plate, and a pair of support plates 85 are provided on the left sandwiching plate 81. The pair of support plates 85 are disposed at both ends of the sandwiching plate 81 in the front-rear direction, and the pair of support plates 85 are fixed to the right side surface of the sandwiching plate 81 and the top surface of the top plate 71 by welding.
A pair of support plates 85 are also provided on the right clamping plate 83. The pair of support plates 85 are disposed at both ends of the sandwiching plate 83 in the front-rear direction, and the pair of support plates 85 are fixed to the left side surface of the sandwiching plate 83 and the top surface of the top plate 71 by welding.

As shown in FIG. 10, notches 89 are respectively formed on both left and right side surfaces of the lower end portion of the column S. In addition, in FIG. 10, the lower surface of the pillar S has faced the upper side.
On both sides of the notch 89, grooves 91 that are continuous with the notch 89 are formed.
In FIG. 12, reference numeral 93 denotes a wooden closing plate, and four screw insertion holes 95 facing the four screw insertion holes 87 of the clamping plate 83 are formed in the closing plate 93.

Next, a method for connecting the pillar S to the base D will be described.
As shown in FIG. 11, two anchor bolts 99 are embedded in the base D, and the tip ends of these anchor bolts 99 protrude from the upper surface of the base D.
Two lag screw bolts 101 are embedded in the lower end of the column S.

  The two bolt insertion holes 75 of the column base structure fitting 61 are inserted into the tip ends of the two anchor bolts 99, and the column base structure fitting 61 is placed on the base D. Then, after the washers 103 are passed through the distal ends of the anchor bolts 99, the nuts 105 are respectively screwed into the distal ends, and the column base structure fitting 61 is fixed to the base D.

Next, a positioning hole (not shown) formed in the lower surface of the column S is fitted into the positioning pipe 79 of the column base structure fitting 61. With this positioning pipe 79, the column S can be easily positioned with respect to the column base structure fitting 61.
Next, the notch 89 and the groove 91 are inserted into the sandwiching plates 81 and 83 and the support plate 85, and the column S is placed on the column base structure fitting 61. The lower end portion of the pillar S is sandwiched between the pair of sandwiching plates 81 and 83.

Then, after attaching the washer 109 to the bolt 107, the bolt 107 is inserted into the bolt insertion hole 77 of the column base structure fitting 61, and the bolt 107 is screwed into the female threaded portion 111 of the lag screw bolt 101. The column S is fixed to the column base structure fitting 61.
Next, after the closing plate 93 is fitted into the notch 89, the screw 113 is inserted into the screw insertion hole 95 of the closing plate 93 and the screw insertion hole 87 of the clamping plates 81 and 83, and the screw 113 is screwed into the column S. To do.
Accordingly, the column S is connected to the base D via the column base structure fitting 61.

  As described above, since the lower end portion of the pillar S is sandwiched between the pair of sandwiching plates 81 and 83, even if the pillar S is vigorously shaken by an earthquake or the like, the gap between the pillar S and the lag screw bolt 101 may be opened. Absent. Therefore, it is possible to prevent the pillar S from cracking in the fiber direction, that is, in the vertical direction.

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 above embodiment, the connecting groove 21 is configured such that the upper surface and the front (rear) side surface are open, but the connecting groove 21 is configured so that only the upper surface is open and all other surfaces are closed. May be.

Although the left end portion of the side plate 35 is inclined, the left end portion of the side plate 35 may be configured to extend straight without being inclined.
Furthermore, although the insertion part 41 was comprised by the insertion plate 37 and the protruding item | line 39, that is, although comprised by two members which isolate | separated the insertion part 41, you may comprise the insertion part 41 by one member.

The clamping plates 81 and 83 of the column base structure fitting 61 are fixed to the top plate 71 of the main body 63 by welding, and the support plate 85 is fixed to the clamping plate 81 and the top plate 71 by welding. The clamping plate 81 and the support plate 85 may be integrally formed by casting.
In the column base structure fitting 61, the support plate 85 may have a shape other than the triangular shape such as a rectangular flat plate shape, and the support plate 85 may be omitted.

  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 9, 13 ... Bolt insertion hole 11 ... Bottom plate 15 ... Support plate 17 ... Nut 19 ... Separation plate 21 ... Connecting groove 22 ... Positioning pipe 23 ... Beam side mounting part 25 ... Beam contact plates 27 and 33 ... Bolt insertion hole 29 ... Nut 31 ... Top plate 35 ... Side plate 37 ... Insertion plate 39 ... Projection strip 41 ... Insertion part 43 ... Notch 45 ... Bolt 46 ... Nut 47 ... Lag screw bolt 49 ... Female thread 51, 53, 55 ... Bolt 61 ... Column base fitting 63 ... Main body 65 ... Bottom plate 67 ... Side plate 69 ... Intermediate plate 71 ... Top plate 75, 77 ... Bolt insertion hole 79 ... positioning pipes 81, 83 ... clamping plate 85 ... support plate 87 ... screw insertion hole 89 ... notch 91 ... groove 93 ... closing plate 95 ... screw insertion hole 99 ... anchor bolt 101 ... lag screw Belt 103 ... washer 105 ... Nut 107 ... Bolt 109 ... washer 111 ... female threaded portion 113 ... screw S ... Column R ... Beam D ... foundation

Claims (4)

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; a column that is fixed to the support plate and protrudes in a direction perpendicular to the direction in which the support plate protrudes; A column side formed with a separation plate provided at a distance from the contact plate, which is defined by the column contact plate, the support plate, and the separation plate, and has a pair of connecting grooves open on the upper surface A mounting member;
A beam side mounting member configured by a beam abutting plate abutting on the beam, a pair of side plates fixed to the beam abutting plate and projecting to the column side, and a pair of insertion portions provided on the pair of side plates; Have
In the fitting for a wooden building that inserts the insertion portion into the connecting groove from above and connects the column side mounting member and the beam side mounting member,
The connecting groove is formed such that the width dimension gradually decreases from the upper side to the lower side, and the width of the insertion portion gradually decreases from the upper side to the lower side corresponding to the shape of the connecting groove. is formed as, while connecting the beam-side mounting member and the pillar-side attachment member that pulls in the insertion portion is fitted into the coupling groove,
Holes for inserting bolts penetrating the pillars are respectively formed at both ends of the column abutting plate, and a pair of nuts screwed to the tip ends of the bolts protruding from the respective holes are provided with the pair of insertion portions. A joint fitting for wooden construction, characterized in that it is provided with a small gap on both outer sides of the sandwiched portion, and the pair of insertion portions are prevented from being pressed when trying to open outward . In the joining metal fittings for wooden buildings according to claim 1,
A bottom plate protruding to the beam side is fixed to the lower end portion of the column contact plate, and the support plate and the separation plate are fixed to both the column contact plate and the bottom plate. A top plate protruding to a column side is fixed, and the side plate and the insertion portion are fixed to both the beam contact plate and the top plate. In the joining metal fittings for wooden buildings according to claim 2,
For wooden construction, characterized in that the upper end surfaces of the support plate and the separation plate are in contact with the lower surface of the top plate, and the side plates and the lower end surface of the insertion portion are in contact with the upper surface of the bottom plate while the insertion portion is inserted into the connecting groove. Joint fittings. A connecting structure for a pillar and a beam in a wooden building, wherein the pillar and the beam are joined by the joint member for a wooden building according to claim 1 .

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