JP2007077689A - Wooden diagonal brace material installing structure in wooden building - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wooden diagonal brace material installing structure capable of firmly installing an end part of a wooden diagonal brace material in a right-angled reentrant corner part of a rectangular framework structure part adopted for a wall of a wooden building. <P>SOLUTION: A connecting metal fitting 12 is installed inside a corner installing metallic material 11 installed in the reentrant corner part 9 of the rectangular framework structure part 1. An installation member 14 having a bolt inserting hole 23 is installed in parallel to the longitudinal direction of this wooden diagonal brace material 6 in the wooden diagonal brace material 6, and a projected corner part of the end part of the wooden diagonal brace material 6 in a state of being adjacent to the corner installing metallic material 11 is pressed to the reentrant corner part 9 of the rectangular framework structure part 1 by screwing a bolt 13 inserted into the bolt inserting hole 23 in a nut 20 of the connecting metal fitting 12. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a wooden bracing material mounting structure for attaching an end portion of a wooden bracing material to a right-angled corner of a rectangular frame structure portion adopted for a wall of a wooden building or the like.

In a wooden building, a wooden frame is formed diagonally inside the rectangular frame structure formed by two horizontal members composed of a base and a beam, and two pillars arranged vertically between the two horizontal members. It has been done to construct and reinforce the braces. When such a configuration is adopted, as shown in FIG. 5 and FIG. 6 of Patent Document 1, the rectangular frame structure part in the wooden building is attached to the right-angled corners of the rectangular frame structure on both right-angle side surfaces of the corners. It is known to attach a corner mounting bracket composed of an L-shaped plate portion and a substantially triangular side plate portion, and to attach an end portion of a wooden bracing material to the mounting bracket.
JP-A-8-338070

  However, in the conventional wooden bracing material mounting structure disclosed in Patent Document 1 and the like, the length of the wooden bracing material is set such that the attachment metal side plate portion and the end portion of the wooden bracing material adjacent to the outside of the side plate portion are arranged. Because it is a configuration that is fastened to each other by bolts and nuts that penetrate both in a direction orthogonal to the direction, the bolt penetration position of the wooden bracing material is very close to the lengthwise end of the wooden bracing material, When a tensile force in the length direction acts on the wooden bracing material through the bolt and nut, there is a possibility that the wooden bracing material may be easily broken (breached) from the bolt through hole to the end surface, and functions as a bracing. There was a risk of disappearing.

  An object of the present invention is to provide a wooden brace material mounting structure capable of solving the conventional problems as described above, and the means thereof is attached with parentheses with reference numerals of embodiments to be described later. As shown, the corner fitting (11) is attached to the corner (9) of the rectangular frame structure (1) in the wooden building, and the end of the wooden bracing (6) is attached to the fitting (11). In the wooden brace attachment structure in a wooden building, a connection fitting (12) provided with a screw hole (nut 20) for screwing a bolt (13) at one end and the other end attached to the fitting (11), An attachment member (14) provided with a bolt insertion hole (23) that is attached to the side surface of the wooden bracing material (6) and through which the bolt (13) can be inserted in parallel with the length direction of the wooden bracing material (6) is provided. The bolt (13) inserted into the bolt insertion hole (23) of the mounting member (14) is the length of the wooden bracing material (6). By projecting into the screw hole (nut 20) of the connection fitting (12) in a direction parallel to the direction, the protruding corner portion (6) of the end of the wooden bracing material (6) adjacent to the fitting (11) ( 6d) is configured to be pressed against the corner (9) of the rectangular frame structure (1).

  In carrying out the present invention having the above-described configuration, specifically, as described in claim 2, the connection fitting (12) is attached to the fitting (11) with bolts and nuts (18, 19), A nut (19) protruding from the fitting (11) of (18, 19) or a recess (6c) in which the bolt head is loosely fitted is formed on the end side surface (6a) of the wooden bracing material (6). be able to.

  According to a third aspect of the present invention, the mounting member (14) includes a U-shaped plate portion (24) that forms the bolt insertion hole (23), and both ends of the U-shaped plate portion (24). It can be constituted by a pair of left and right mounting plate portions (26a, 26b) which are bent in the opposite direction and each have a mounting hole (25).

  According to the wooden bracing material mounting structure in the wooden building according to the present invention having the above-described configuration, the wooden bracing material is conventionally provided between the corner fitting and the wooden bracing material, to which the wooden bracing material has been directly coupled. And a mounting member for holding the bolt on the wooden bracing material, and means for connecting the wooden bracing material and the corner fitting (connecting metal fitting, The mounting position on the wooden bracing material side of the bolt and the mounting member, that is, the mounting position of the mounting member can be sufficiently separated from the end of the wooden bracing material in the length direction of the wooden bracing material. Accordingly, when a tensile force is applied to the wooden bracing material via the coupling means, the wooden bracing material breaks toward the end surface of the wooden bracing material from the coupling portion between the wooden bracing material and the mounting member. ) Can be sufficiently suppressed, and the safety against a phenomenon in which a tensile force acts on the wooden bracing material by an external force acting on the rectangular frame structure portion can be improved while using the wooden bracing material.

  In addition, according to the configuration of the present invention, an intermediate connecting member such as a strip is simply interposed between the side surface away from the end of the wooden bracing material and the mounting hardware, and the intermediate connecting member and the wooden bracing material are connected to each other. Rather than being configured to connect with bolts and nuts that pass through both of them, this wooden bracing material is urged in the length direction by screwing the bolt parallel to the length direction of the wooden bracing material, and the protruding corner of its end Can be attached to the corner of the rectangular frame structure, so that the wooden brace can be attached to the corner of the rectangular frame. In the situation where the longitudinal compression force acts on this wooden bracing material, make sure that the compressive force is received by the wooden bracing material, and the wooden bracing material and With mounting hardware If means (fittings, bolts, and mounting members) can substantially eliminate the effect on the like.

  In addition, according to the structure of Claim 2, a connection metal fitting and a corner mounting bracket can be easily and easily combined with a bolt and a nut penetrating both of them in the transverse direction, and the corner mounting bracket is provided. And the wooden bracing material can be adjacent to each other in a state in which the side surfaces of the two are in contact with each other, and the wooden bracing material can be attached stably.

  Moreover, according to the structure of Claim 3, the attachment member which can be easily attached to the side surface of a wooden bracing material with a lag screw etc. can be comprised easily and cheaply by press work from one iron plate.

  A specific embodiment of the present invention will be described below with reference to the accompanying drawings. In FIG. 1A, reference numeral 1 denotes a rectangular frame structure part constituting a wall of a wooden building, which includes a horizontal wooden base 2, a horizontal wooden beam It is comprised from the material 3 and the two wooden pillars 4 and 5 arrange | positioned among these. Reference numeral 6 denotes a wooden bracing member installed diagonally inside the rectangular frame structure 1 and is made of a plate material having a thickness equal to or less than half the thickness of the base 2 and the beam member 3 as shown in FIG. Reference numeral 7 denotes a wooden columnar material that is installed between the wooden base and the wooden beam 3 at the middle position between the two wooden columns 4 and 5 and has the same width as the thickness of the base 2 and the beam 3. A notch 8 in which the bracing material 6 is fitted is formed at a location which is made of a plate material and intersects with the bracing material 6.

  The brace material mounting structure of the present invention is applied to the joint points P1 and P2 between the corner portions 9 and 10 at two diagonal directions of the rectangular frame structure portion 1 and the end portions of the wooden brace material 6 as described above. However, since the structure of both joint locations P1 and P2 is the same, the brace material mounting structure of the present invention will be described below based on the attached drawing showing one joint location P1. In FIG. 1B and FIG. 2, 11 is a corner mounting bracket, 12 is a connection fitting, 13 is a bolt, and 14 is a mounting member. The corner mounting hardware 11 is conventionally known from Patent Document 1 and the like exemplified above, and as shown in FIGS. 1B to 4, a pair of left and right L-shaped plate portions 15 and a pair of right and left connected to both sides thereof are provided. These are substantially triangular side plate portions 16a and 16b, and are integrally formed by deep drawing of one iron plate. Thus, mounting holes are provided in the right-angle surfaces of the L-shaped plate portion 15, and lag screws are provided on the right-angle surfaces (the upper surface of the base 2 and the side surfaces of the column members 4) of the right-angled corner portions 9 of the rectangular frame structure portion 1. 17 is fixed.

  Further, the left and right side plate portions 16a and 16b of the corner mounting hardware 11 are provided with bolt insertion holes 23 at substantially the center positions so that the bolts 18 can be inserted in the transverse direction. Thus, the one end attachment portion 12a of the connection fitting 12 is attached between the left and right side plate portions 16a, 16b of the corner attachment hardware 11. At this time, a cylindrical spacer 20 is loosely fitted on the bolt 18 between the side plate portion 16b of the corner fitting 11 and the connection fitting 12 in order to position the connection fitting 12 toward the one side plate portion 16a. .

  The connection fitting 12 forms a screw hole penetrating in the length direction of the connection fitting 12 by bending a band-shaped iron plate into a U shape and holding and fixing a nut 21 inside the U-turn portion. Further, the free end portions of the side plate portions 22a and 22b constitute a mounting portion 12a having a through hole through which the bolt 18 is inserted in the transverse direction.

  As shown in FIGS. 5 and 6, the attachment member 14 is bent in a direction opposite to each other from a U-shaped plate portion 24 that forms a bolt insertion hole 23 into which the bolt 13 can be inserted, and both ends of the U-shaped plate portion 24. It is composed of a pair of left and right mounting plate portions 26a, 26b that are provided continuously and each provided with a mounting hole 25, and can be integrally formed by bending a single iron plate.

  As described above, the connection fitting 12 is attached to the corner fitting 11 fixed to the corner 9 of the rectangular frame structure 1 by the lag screw 17 by the bolt 18, the nut 19, and the cylindrical spacer 20. It has been. As shown in FIG. 2, the mounting position of the corner mounting hardware 11 is such that the end portion of the brace 6 is placed on the side plate portion 16a on one side of the corner mounting hardware 11 (the side from which the nut 19 protrudes in the illustrated example). When the one side surface 6 a is brought into contact, the other side surface 6 b of the brace 6 is set to be substantially flush with the same side surface of the base 2 and the column material 4. Therefore, the one side surface 6a of the bracing member 6 is processed with a recess 6c in advance at a position where a nut 19 or the like protruding from the side plate portion 16a of the corner attachment 11 is loosely fitted.

  As shown in FIG. 3, the end of the brace 6 has a right-angled corner portion 6 d that can be brought into surface contact with the right-angled corner portion 9 when arranged along the diagonal direction inside the rectangular frame structure portion 1. A pair of left and right mounting plate portions 26a and 26b of the mounting member 14 is formed in the axial direction of the bolt insertion hole 23 on one side surface 6a that has been cut in advance and is spaced a predetermined distance from the right-angled corner portion 6d. If the attachment hole 25 and the nail or the lag screw 27 are used to fix the bracing material 6 so that it is parallel to the longitudinal direction of the bracing material 6, the bracing material 6 has one side surface 6 a at the end for the corner. Arranged so that the right angle corner 6d abuts on the side plate portion 16a of the mounting hardware 11 and the right angle corner 9 of the rectangular frame structure 1, and the right angle corner in the bolt insertion hole 23 of the mounting member 14 Insert bolt 13 toward 6d, The bolt 13 is screwed and fastened to the screw hole (nut 21) of the connection fitting 12, and the bracing member 6 is directed to the right-angled corner 9 of the rectangular frame structure portion 1 through the mounting member 14 at the head of the bolt 13. By urging to push in the length direction, the attachment of one end of the brace 6 is completed.

  The configuration of the corner mounting hardware 11, the connection fitting 12, and the mounting member 14 is not limited to that of the above embodiment. For example, the corner mounting hardware 11 may have a structure including only the side plate portion 16a on the side adjacent to the end side surface of the brace 6 among the pair of left and right side plate portions 16a and 16b, and forms each plate portion. A plurality of plate members may be welded to each other. Further, the connection fitting 12 may have any structure as long as it has a screw hole into which the bolt 13 is screwed at one end and an attachment portion to the corner fitting 11 at the other end. Furthermore, the bolt insertion hole 23 of the mounting member 14 can also be formed of a pipe material fixed to the mounting substrate side by welding or the like.

FIG. A is a front view showing a rectangular frame structure part constituting a wall of a wooden building, and FIG. B is an enlarged front view showing details of a joining point P1 in FIG. It is XX arrow directional view of FIG. 1B. It is an enlarged front view which shows the state just before the bracing material attachment of the said joint location P1. It is a disassembled side view of the member used for the said joint location P1. It is a front view of the attachment member attached to a brace. FIG. 6 is a cross-sectional view taken along line YY in FIG. 5.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Rectangular frame structure part 2 Wooden base 3 Wooden beam material 4,5 Wooden pillar material 6 Wooden bracing material 9,10 Corner part with a right angle of rectangular frame structure part 11 Corner fitting 12 Connection metal part 12a One end attachment part 13 of the connection metal part , 18 Bolt 14 Mounting member 15 L-shaped plate portion 16a, 16b of corner mounting bracket Side plate portion 17, 27 of corner mounting bracket Lag screw 19, 21 Nut 20 Cylindrical spacer 23 Bolt insertion hole 24 of mounting member U-shaped plate portions 26a, 26b A pair of left and right mounting plate portions of the mounting member

Claims (3)

  In a wooden brace mounting structure in a wooden building, a corner mounting bracket is attached to the corner of the rectangular frame structure in a wooden building, and the end of the wooden bracing member is attached to the mounting bracket. A fitting having a screw hole and having the other end attached to the fitting and a bolt insertion hole which is attached to the side surface of the wooden bracing material and can be passed through the bolt in parallel with the length direction of the wooden bracing material. And a bolt inserted into the bolt insertion hole of the mounting member is screwed into the screw hole of the connection fitting in a direction parallel to the length direction of the wooden brace, thereby being adjacent to the mounting hardware A wooden bracing material in a wooden building, wherein the protruding corner portion of the end of the wooden bracing material is pressed against the entering corner portion of the rectangular frame structure portion With structure.   The connection fitting is attached to the mounting hardware by a bolt and nut, and a nut protruding one side from the mounting hardware of the bolt or nut or a recess in which the bolt head is loosely fitted is formed on an end side surface of the wooden bracing material. The wooden bracing material mounting structure in the wooden building according to claim 1. The mounting member includes a U-shaped plate portion that forms the bolt insertion hole, a pair of left and right mounting plate portions that are continuously bent in opposite directions from both ends of the U-shaped plate portion, and each has a mounting hole. The wooden brace attachment structure in the wooden building of Claim 1 or 2 comprised from these.

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