JP2005042494A - Reinforced beam - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a new reinforced beam for preventing deflection of the beam and driving a fixing tool such as nails and screws by suppressing thickness size from enlarging and holding rigidity (cross section secondary moment), and to provide an opening part reinforced structure using the reinforced beam. <P>SOLUTION: In the reinforced beam (1) installed in an opening part, wood materials (3) are mounted in two grooves (4) formed in a cross section H shaped metal rod material respectively. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The invention of this application relates to a reinforcing beam installed in an opening of a window frame, a sliding door frame or the like. More specifically, the invention of this application can prevent the beam from being bent by suppressing an increase in thickness dimension and maintaining rigidity (secondary moment of cross section). The present invention relates to a new reinforcing beam and an opening reinforcing structure using the reinforcing beam, which can be used to drive a fixing tool.

  Conventionally, wood has been used as a member constituting a beam of a wall surface opening (for example, an opening such as a window frame or a sliding door frame) in a building such as a house. However, since the rigidity of wood is not sufficient, the beam in which the wood is horizontally installed has a problem that its central portion bends downward over time. In particular, in the opening having a wide frontage, it is inevitable that a trouble occurs in opening and closing the door due to the bending of the central portion.

Therefore, a reinforced beam using H-shaped steel has been proposed as a beam material having sufficient strength. In addition, as shown in FIG. 7, by attaching and fixing wood (A) to the outer surface of one part forming both sides of the H-shaped steel (A), the rigidity is further reinforced and the wood (I) Reinforcing beams have also been proposed that can form composite beams that are connected to each other by driving a fixture such as a nail into the bracket (see Patent Document 1).
Japanese Patent Laid-Open No. 10-299080

  The reinforcing beam disclosed in Patent Document 1 is an excellent beam member in that it has sufficient strength as a beam member, and can be easily connected to other building materials using the wood portion.

  However, in the case of this reinforcing beam, as shown in FIG. 7, since the wood (A) is attached to the outer surface of both side portions of the H-shaped steel (A), the thickness dimension of the H-shaped steel (A) However, it becomes larger than a normal beam. Therefore, in order to install this beam, there is a problem that it is necessary to secure an extra space larger than usual. Therefore, it is possible to consider reducing the overall size of the reinforcing beam, that is, reducing the thickness dimension of the H-shaped steel (A) (the length dimension of the connecting piece) or the thickness dimension of the wood (I). If the thickness dimension of the H-section steel (a) is reduced, the rigidity of the beam (second moment of section) will decrease. Further, when the thickness dimension of the wood (I) is reduced, there is a problem that it is difficult to drive a nail or the like.

  Therefore, the invention of this application has been made in view of the circumstances as described above, solves the conventional problems, suppresses an increase in thickness dimension, and maintains rigidity (secondary moment of section). Therefore, it is an object of the present invention to provide a new reinforcing beam and an opening reinforcement structure using the reinforcing beam, which can prevent bending of the beam and can also be driven with a fixing tool such as a nail or a screw. .

  The invention of this application is, as a means for solving the above-mentioned problems, first, a reinforcing beam installed in the opening, and a wooden material in each of two grooves formed in the cross-section H-shaped metal bar And, second, a connecting piece of a metal bar is provided with a through hole, and a bolt inserted into the through hole is used to form a reinforcing beam in both grooves. Provided is a reinforcing beam in which a wooden material is fastened by bolting.

  The invention of this application is, thirdly, an opening reinforcing structure in which the reinforcing beam of the first invention or the second invention is arranged at the upper part of the top frame of the opening, and has an H-shaped metal bar in cross section The material provides an opening portion reinforcing structure in which the wood material mounted in both the grooves is arranged facing the front and back of the opening portion.

  Furthermore, according to a fourth aspect of the present invention, there is provided a sliding door frame structure characterized by comprising the third invention described above.

  According to the first reinforcing beam, it is possible to prevent the beam from being bent by suppressing the increase in the thickness dimension of the beam and maintaining rigidity (secondary moment of section). Etc. can be driven in.

  Further, according to the second reinforcing beam, the same effect as the first reinforcing beam can be obtained, and the wooden material in both grooves is fastened by bolting, so that the cross-sectional H-shaped metal bar and The fixing force with the wood material can be further improved.

  Furthermore, according to the third opening reinforcing structure, it is possible to provide an opening reinforcing structure capable of preventing the beam from being bent even in the case of a wide (long) opening.

  According to the fourth sliding door frame structure, the same effect as the third opening reinforcement structure can be obtained, so that the sliding door rail can be prevented from bending, and the sliding door can be smoothly opened and closed. Can do.

  The invention of this application has the features as described above. Hereinafter, the embodiment will be described in detail.

  FIG. 1 is an exploded cross-sectional view illustrating an embodiment of the invention of this application. Referring to FIG. 1, the reinforcing beam (1) of the invention of this application is composed of a piece (21) that forms two sides and a connecting piece (5) that joins these pieces (21) at the center. ) And a wooden material (3) mounted in the two grooves (4) of the H-shaped metal bar (2). By attaching the wood material (3) to the groove (4) of the H-shaped metal bar (2) with various adhesives such as bonds, the reinforcing beam (1) illustrated in FIG. 2 can be obtained. . Such a reinforcing beam (1) can suppress an increase in the thickness dimension of the beam. In addition, the H-shaped metal bar (2) maintains rigidity (secondary moment of cross-section) to prevent bending of the beam, and the wooden material (3) has a nail or Fixing tools such as screws can be driven.

  As the cross-section H-shaped metal bar (2), commercially available standard H-section steel (for example, JIS size H-section steel for building structures) can be used. Or what manufactured by rolling various metals, such as iron, aluminum, and stainless steel, into the H section of a section etc. can also be used. Further, the wood material (3) can be made of various materials such as plywood, OSB (oriented piece material), MDF, etc., and can be subjected to various painting and processing treatments.

  3 and 4 are an exploded front sectional view and a front sectional view schematically illustrating another embodiment of the invention of this application. The embodiment illustrated in FIGS. 3 and 4 is basically the same as the above example, but is provided with a through hole (51) in the connecting piece (5) of the H-shaped metal bar (2). The difference is that the bolt (6) is inserted into the through hole (51) and the wood material (3) in the groove (4) on both sides is fastened by bolting.

  A plurality of the through holes (51) may be provided, and the wood material (3) may be fastened by a plurality of bolts (6) according to the number of the through holes (51).

  Of course, in addition to the use of the bolt (6), various fasteners such as nails and screws can be appropriately selected and used as the above-described fastening means. For example, in the case of the reinforcing beam illustrated in FIG. 4, the wood material (3) is attached to each of the grooves of the cross-section H-shaped metal bar (2) provided with a plurality of mounting holes (7), and By inserting the nail (8) into the plurality of mounting holes (7), the wooden material (3) can be attached and fixed more strongly. Further, the wood material (3) can be bonded in advance with an adhesive or the like, and then fixed with bolts (6), nails (8) or the like.

  In addition, by providing a recess (not shown) to the extent that it substantially matches the shape of the bolt head (61), nut (62), etc. on the surface of the wood material (3), the bolt head (61) and nut (62 ) Is embedded in the wooden material (3), and the reinforcing material (1) can be obtained with a clean surface of the wooden material (3). Further, as illustrated in FIG. 4, even when the mounting hole (7) is provided in the cross-section H-shaped metal bar (2), a recess (71) can be provided for the same purpose as described above. The tops of fixtures such as nail heads (81) and screw heads can be substantially flush with the surface of the H-shaped metal bar (2).

  In this way, by attaching the wood material (3) to the H-shaped metal bar (2) in cross section, it is possible to attach and fix it more firmly than the attachment with only an adhesive or the like.

  FIG. 5 is a front view schematically illustrating an embodiment in which the reinforcing beam of the invention of this application is arranged on the top of the top of the opening, and FIG. 6 is a cross-sectional view taken along line AA in FIG.

  FIG. 5 illustrates an embodiment of the reinforcing beam in the sliding door opening. The sliding door opening is composed of a horizontal frame (9) installed at both left and right ends, a top frame (10) and a sliding door (11) installed at the upper part thereof. As illustrated in FIG. 5, in this opening reinforcing structure, the reinforcing beam (1) is arranged such that the wooden material (3) faces the front and rear of the opening. By arranging such reinforcing beams (1), it is possible to effectively prevent bending of the beams due to a load. As a result, it is possible to prevent bending of the central portion of the top frame (10) where the horizontal frame (9) is not installed, and the sliding door (11) can be smoothly opened and closed. Further, as shown in the cross-sectional view of FIG. 6, the wooden material (3) is arranged facing the front and rear of the opening, and the nail (13) is driven into the wooden material (3) to drive the wall. It is also possible to fix the material (12) to the beam portion.

  Of course, the opening portion reinforcing structure using the reinforcing beam of the invention of this application can be used not only as the sliding door frame reinforcing structure but also as a window frame reinforcing structure, for example.

  The reinforcing beam (1) of the invention of this application is not limited to the above examples. Needless to say, various forms such as the size and shape of the shape are possible.

  As described above in detail, the invention of this application can prevent the beam from being bent by suppressing the increase of the thickness dimension and maintaining the rigidity (secondary moment of the cross section). A new reinforcing beam and an opening reinforcing structure using the reinforcing beam can be provided.

  And such an opening part reinforcement structure can be utilized as a sliding door frame structure, a window frame structure, etc.

It is an exploded sectional view which illustrated one embodiment of the invention of this application. It is the cross-sectional perspective view which illustrated embodiment of FIG. It is the exploded front sectional view which illustrated another embodiment of the invention of this application. FIG. 5 is a front sectional view schematically illustrating still another embodiment of the invention of this application. It is the front view which illustrated roughly the embodiment which has arranged the reinforcing beam of the invention of this application in the top frame upper part of an opening. It is AA sectional drawing in FIG. It is the perspective view which illustrated the conventional H section steel.

Explanation of symbols

1 Reinforcement beam
2 H-shaped metal bar
21 pieces
3 Wood
4 groove
5 coupling pieces
51 Through hole
6 bolt
61 bolt head
62 Nut
7 Mounting hole
71 recess
8 nails
81 Nail head
9 Horizontal frame
10 Top frame
11 Sliding door
12 Wall material
13 Nails A H-shaped steel B Wood

Claims (4)

  A reinforcing beam installed in an opening, wherein a wooden material is attached to each of two grooves formed in a metal bar with an H-shaped cross section.   The coupling piece of the H-shaped cross section metal bar is provided with a through hole, and the wood material in both grooves is fastened by bolting with a bolt inserted into the through hole. Reinforcement beam as described.   An opening portion reinforcing structure in which the reinforcing beam according to claim 1 or 2 is disposed at an upper portion of the top frame of the opening portion, and the cross-sectionally H-shaped metal bar has a wood material mounted in both grooves thereof before and after the opening portion. An opening reinforcement structure characterized by being arranged facing.   A sliding door frame structure comprising the opening reinforcing structure according to claim 3.