JP2006104774A - Building member connection structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a building member connection structure for connecting between building members, particularly between a sill, a column, a wall panel, a beam, etc. for use in a building, wherein the connection structure dispenses with screwing of each bolt into a bolt hole formed in a tenon at the time of rigidly connecting the members to each other by a bolt, and enables rigid connection of the building members only by further clamping the bolt which has been already screwed into a connection securing member. <P>SOLUTION: According to the building member connection structure, one of the members to be connected together has the tenon 11 formed on an end thereof, and the tenon 11 has a single or a plurality of notched grooves 11a formed therein, for inserting the bolt 21 therein. The other member has the U-shaped cross-sectional connection securing member 13 formed thereon, and the connection securing member 13 has a gap formed therein, for inserting the tenon therein. Then the tenon of the one member is inserted into the gap of the connection securing member, and mutually opposed side plates of the connection securing member with the tenon interposed therebetween allow screwing of the bolt which has penetrated the notched groove formed in the tenon. In this manner the tenon is rigidly clamped by the side plates pairing with each other. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a joint structure for building members such as foundations, columns, wallboard panels, and beams used in buildings and the like.

  As shown in the three-dimensional perspective view of FIG. 5a and the joint cross-sectional view of FIG. 5b, the joint structure of building members such as foundations, pillars, and beams used in conventional buildings is bolt holes provided at the end of the base 1. 22 is joined to a washer plate (nut) 15 that is fixedly attached to a predetermined portion of the inner side surface of the column 2, and bolts 22 are formed in bolt holes 22 formed in the base portion 11 of the base 1. The bolt shaft 21a is screwed in and the base 1 and the pillar 2 are fixed.

  However, as shown in FIGS. 5a and 5b, such a conventional structure requires a set of bolts 21 and washer plates (nuts) 15 at all joints between the base 1 and the pillars 2, so that these members It is necessary to prepare a large number of sets of bolts 21 and washer plates (nuts) 15 that conform to the above.

  In addition, when the base portion 11 is large, a plurality of bolt holes 22 are formed in the base portion 11 in order to securely join and fix the base 1 and the pillar 2, and a plurality of times each time the base 1 and the pillar 2 are joined. Since it is necessary to pass the bolt 21 through the bolt hole 22 and screw the bolt 21, these operations take time and effort as expected.

  As means for improving these problems, in the invention of Patent Document 1, it is composed of a fixing member, a pressing member and a partition panel, and the fixing member is formed from a bottom portion for fixing to the installation surface and an end portion of the bottom portion. In this structure, the holding member is integrally combined via an assembly bolt, and the panel is sandwiched between the supporting portion and the holding member.

However, if the panel is only sandwiched between the support part and the pressing member, if the bolt is damaged or loosened, the clamping force by the support part and the pressing member will be loosened, and the panel will be displaced laterally or vertically. Can be caused.
JP-A-11-303262

  In order to eliminate the disadvantages of such conventional structures, the present invention is particularly suitable for bolts and washer plates suitable for each member in a joint structure for building members such as foundations, columns, wall plate panels, and beams used in buildings and the like. Insert the tenon part provided at the end of the base into the joint fixing member provided at the predetermined place of the pillar without fixing the set of (nuts) one by one and also when joining and fixing the building members However, it is only necessary to completely tighten the bolt temporarily tightened to the joint fixing member in advance, and the bolt hole provided in the hoso portion as in the prior art and the bolt hole provided in the washer plate (nut) It is an object of the present invention to provide a construction structure for building members that does not need to be screwed one by one.

  In order to solve such a problem, the invention of claim 1 is for joining a building member such as a pillar, a wall panel, and a beam to each other, and for passing a bolt through an end of one member to be joined. A tenon portion having one or a plurality of cutout grooves is provided, and a joint fixing member having a U-shaped cross section having a gap for inserting the tenon portion is provided at a joint portion of the other member, and the gap between the joint fixing members is provided. By inserting the tenon portion of the one member and passing the bolt through the notch groove of the tenon portion between the side plate pairs of the joint fixing members facing each other with the tenon portion interposed therebetween, the tenon portion Is fastened and fixed by the pair of side plates.

  According to a second aspect of the present invention, a joining bolt is temporarily tightened in advance to the joining and fixing member of the other member, and the relief portion of the one member is inserted into a gap between the joining and fixing members into which the joining bolt is screwed. The coupling bolt is completely tightened.

  The invention according to claim 3 is characterized in that one plate thickness of the side plate pair of the joint fixing member is reduced.

  According to the building member joining structure of the present invention, when a building member such as a base, a wall panel, and a beam is joined and fixed to a pillar, the bolts inserted through the opposing side plates that constitute the joining and fixing member in advance are completely Building members can be securely fixed simply by tightening them, so there is no need to screw bolts one by one into the bolt holes of the louvered part and washer plate (nut) as in the past. It is possible to assemble a building by accurately joining and fixing building members such as plate panels and beams to the columns.

  Furthermore, since the base portion, the wall plate panel, the end portion or both end portions of the beam provided with one or a plurality of cutout grooves for passing bolts, the base portion has When a base, a wall panel, and a beam are inserted into a joint fixing member provided on a column, a notch provided in the ridge part is inserted into an opposing side plate that constitutes the joint fixing member. The base, the wall panel, the beam, and the column can be coupled with each other, so that it is possible to obtain an effect that the joint is less displaced.

  Below, the Example of the joining structure of the building member of this invention is described with reference to drawings.

  FIGS. 1 a, 1 b, and 1 c are a first embodiment showing a joint structure between a base 1 and a pillar 2.

  In FIG. 1a, a state in which the base 1 is fitted to the pillar 2 is shown by a three-dimensional perspective view.

  FIGS. 1B (A) and 1 (B) are cross-sectional views taken along line AA in FIG. 1A.

  1c (A) and 1 (B) are cross-sectional views taken along the line BB of FIG. 1a.

  As shown in (A) and (B) of FIG. 1 b, the end portion of the base 1 is provided with a tenon portion 11, and the notch portion 11 has two horizontal U-shaped notches for passing bolts 21. A groove 11 a is provided at the tip of the ridge portion 11, and a joint fixing member 13 having a U-shaped cross section for receiving the ridge portion 11 is fixed to the lower portion of the inner side surface of the column 2.

  As shown to (A) and (B) of FIG. 1c, as for the joining fixing member 13, the opposing side plates (13a, 13b) are connected by the connection plate 13c. Further, two bolt holes penetrating to the side plate 13b are provided in parallel from the surface of the side plate 13a of the joint fixing member. The bolt hole on the side plate 13a side is a through hole in which the screw groove is not cut, but the bolt hole on the side plate 13b side is a screw hole in which the screw groove is cut.

  By providing such a bolt hole, the bolt shaft of the bolt 21 through which the two notched grooves 11a provided in the ridge portion 11 are inserted between the opposing side plates (13a, 13b) of the joint fixing member 13 is provided. It becomes possible to fit in 21a.

  The bolt 21 penetrates the bolt hole of the one side plate 13a which opposes the joint fixing member 13 in advance, and is screwed to the bolt hole of the other side plate 13b to a position where it can be further tightened and temporarily tightened. Further, the side plate 13a is made thinner than the side plate 13b so as to be easily bent. This is because the side plate 13a is elastically deformed in the direction of the side plate 13b with the connecting plate 13c as a fulcrum by completely tightening the bolts, thereby increasing the pinching and fixing force of the ridge portion 11.

  The ridge portion 11 provided at the end of the base 1 is horizontally moved so as to be inserted into the clamping portion 13d of the joint fixing member 13 into which the bolt 21 is screwed in advance and temporarily tightened. By fitting the bolt shaft 21a of the bolt 21 inserted between the opposing side plates (13a, 13b) constituting the joint fixing member 13 and then tightening the bolt 21 completely, the inside of the side plates (13a, 13b) It clamps by the clamping part 13d, and the base 1 and the pillar 2 are joined.

  In addition, in Example 1, although the joint structure of the base 1 and the pillar 2 was described, such a joint structure is applicable also to joining of another building member like a wall board and the pillar 2. FIG. In the present embodiment, there are two horizontal U-shaped cutout grooves 11 a in the ridge portion 11, but the number of cutout grooves 11 a depends on the scale of the building and the location where the building members are joined. It is not limited to two. Further, the joint fixing member 13 may be a substantially U-shaped integrally formed member.

  2a, 2b, and 2c show a second embodiment showing a joint structure of the beam 5 and the column 2a.

  In FIG. 2a, a state in which the beam 5 is fitted to the column 2a is shown by a three-dimensional perspective view.

  2B (A) and 2 (B) are cross-sectional views taken along the line AA in the three-dimensional perspective view of FIG. 2A.

  2c (A) and 2 (B) are cross-sectional views taken along the line BB in the three-dimensional perspective view of FIG. 2a.

  As shown in (A) and (B) of FIG. 2 b, the end portion of the beam 5 is provided with a ridge portion 12, and the ridge portion 12 has an inverted U-shaped notch groove 12 a for passing a bolt 21. Is attached to the upper portion of the inner side surface of the column 2a.

  As shown to (A) and (B) of FIG. 2c, as for the joining fixing member 14, the opposing side plates (14a, 14b) are connected by the connection plate 14c. Further, two bolt holes are provided through the side plate 14b from the side of the side plate 14a of the joining and fixing member. The bolt hole on the side plate 14a side is a through hole in which the screw groove is not cut, but the bolt hole on the side plate 14b side is a screw hole in which the screw groove is cut.

  By providing such a bolt hole, the bolt 21 of the bolt 21 inserted into the notch groove 12a of the ridge portion 12 from the bolt hole of the one side plate 14a facing the joint fixing member 14 to the bolt hole of the other side plate 14b. It can be fitted to the shaft 21a.

  The bolt 21 penetrates the bolt hole of the one side plate 14a which opposes the joint fixing member 13 in advance, and is screwed into the bolt hole of the other side plate 14b and temporarily tightened. Further, the side plate 14a is thinner than the side plate 14b so that it can be easily bent. This is because when the bolt 21 is completely tightened, the side plate 14a is elastically deformed in the direction of the side plate 14b with the connecting plate 14c as a fulcrum, thereby increasing the pinching and fixing force of the flange portion 12.

  The notch groove 12 is lowered in the vertical direction so that the boss portion 12 provided at the end of the beam 5 is inserted into the sandwiched portion 14d of the joint fixing member 14 into which the bolt 21 is screwed in advance and temporarily tightened. 12a and the bolt 21a of the bolt 21 inserted between the opposing side plates (14a, 14b) constituting the joint fixing member 13 are fitted, and then the bolt 21 is completely tightened, whereby the side plates (14a, 14b). The beam 5 and the column 2a are joined by being clamped by the inner clamping part 14d.

  In addition, in Example 2, although the joint structure of the needle | hook 5 and the pillar 2a was described, such a joint structure is applicable also to joining of another building member like a wall board and the pillar 2a. In the present embodiment, there is one horizontal U-shaped cutout groove 12a in the ridge portion 12, but a plurality of cutout grooves 12a are provided depending on the scale of the building and the place where the building members are joined. It is also possible. Further, the joint fixing member 14 may be a substantially U-shaped integrally formed member.

  FIG. 3 shows a third embodiment in which the joining structure of the present invention is applied to a column 3 having a hollow structure.

  As shown in FIG. 3A, the hollow pillar 3 having an L-shaped cross section shown in FIG. 3B is composed of pillar constituent members (3a, 3b). A lower portion of the pillar 3 is formed with a ridge portion insertion hole 6 slightly larger than the cross-sectional area of the ridge portion 11 so that the ridge portion 11 provided at the end of the base 1 can be inserted. Further, a joining and fixing member 13 capable of sandwiching the ridge portion 11 provided at the end portion of the base 1 is fixed to the inner side surface of the column 3 a located at the same position as the insertion hole 6. The configuration of the joining and fixing member 13 is the same as that of the first embodiment.

  The notch portion 11 provided at the end of the base 1 is horizontally moved so as to be inserted into the sandwiching portion 13d of the joint fixing member 13 which has been previously screwed with the bolt 21 and temporarily tightened. By fitting the bolt shaft 21a of the bolt 21 inserted between the opposing side plates (13a, 13b) constituting the joint fixing member 13 and then tightening the bolt 21 completely, the inside of the side plates (13a, 13b) It clamps by the clamping part 13d, and the base 1 and the pillar 2 are joined (refer FIG. 1c). After joining the ridge portion 11 and the joining and fixing member 13, as shown in FIG. 3B, the pillar 3b and the pillar 3a are bonded and fixed to complete the hollow L-shaped pillar 3.

  FIG. 4 shows a fourth embodiment in which the joining structure of the present invention is applied to a column having a hollow structure.

  As shown in FIG. 4 (A), the hollow pillar 4 having an L-shaped cross section shown in FIG. 4 (B) is composed of pillar constituent members (4a, 4b). A lower portion insertion hole 7 is formed below the pillar 4 so that the upper portion 12 provided at the end of the beam 5 can be inserted. Further, a joining and fixing member 14 capable of sandwiching the ridge portion 12 provided at the end portion of the beam 5 is fixed to the inner side surface of the column 4 a at the same position as the insertion hole 7. The configuration of the joining and fixing member 14 is the same as that of the second embodiment.

  The notch 12 is lowered in the vertical direction so as to be inserted into the sandwiched portion 14d of the joint fixing member 14 which has been previously screwed with the bolt 21 and is temporarily tightened. 12a and the bolt 21a of the bolt 21 inserted between the opposing side plates (14a, 14b) constituting the joint fixing member 13 are fitted, and then the bolt 21 is completely tightened, whereby the side plates (14a, 14b). It clamps by the inner clamping part 14d, and the beam 5 and the pillar 2a are joined (refer FIG. 2c). After joining the ridge portion 12 and the joining and fixing member 14, the pillar 4b and the pillar 4a are bonded and fixed as shown in FIG. 4B to complete the hollow L-shaped pillar 4.

  In the present embodiment, the joint structure between the base and the pillar and the beam and the pillar has been mainly described. However, the joint structure of the present invention is not limited to these building members, and various building members such as a pillar and a wall board are used. It can be applied to the joining.

1 is a three-dimensional perspective view showing a first embodiment of the present invention. It is AA sectional drawing of FIG. It is BB sectional drawing of FIG. FIG. 6 is a perspective plan view showing a second embodiment of the present invention. It is AA sectional drawing of FIG. 2a. It is BB sectional drawing of FIG. 2a. The three-dimensional perspective view which shows the 3rd Example of this invention. The three-dimensional perspective view which shows the 4th Example of this invention. Conventional foundation-column connection structure Conventional foundation-column connection structure

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Base 2 Column 2a Column 3 Hollow-structured column 3a Column-constituting member 3b Column-constituting member 4 Hollow-structured column 4a Column-constituting member 4b Column-constituting member 5 Beam 6 Insertion port 7 Insertion port 11 Hozo portion 11a Notch groove 12 Hozo portion 12a Notch groove 13 Bonding fixing member 13a Side plate 13b Side plate 13c Connection plate 13d Clamping portion 14 Bonding fixing member 14a Side plate 14b Side plate 14c Connection plate 14d Clamping portion 15 Washer plate (nut)
21 Bolt 21a Bolt shaft 22 Bolt hole

Claims (3)

  For building members such as columns, wall panels, and beams that are joined to each other, the end of one member to be joined is provided with a relief portion having one or more notch grooves for passing bolts, A joint fixing member having a U-shaped cross section having a gap for inserting the tenon portion is provided at the joint portion of the member, and the tenon portion of the one member is inserted into the gap of the joint fixing member, and the tenon portion is sandwiched between The construction of the building member, wherein the side plate pair is tightened and fixed by the side plate pair by passing the bolt through the notch groove of the side wall portion and screwing it between the side plate pairs of the joint fixing member facing each other. Junction structure.   A joint bolt is temporarily fastened to the joint fixing member of the other member in advance, and a boss portion of the one member is inserted into a gap between the joint fixing members into which the joint bolt is screwed, and the joint bolt is completely attached. The building member joining structure according to claim 1, wherein the building member is tightened.   3. The construction structure for building members according to claim 1 or 2, wherein one of the side plate pairs of the joint fixing member has a reduced thickness.

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