JP5686722B2 - Frame material connection structure - Google Patents

Description

  The present invention relates to a frame material connection structure. More specifically, for example, the framework of rain protection structures such as carports installed in parking lots, cycle ports installed in bicycle parking lots, roofs installed in outdoor aisles and rest areas, etc. It is related with the connection structure of the frame material which comprises.

  As a rain protection structure, a roof structure is constructed by connecting a beam to each of a plurality of pillars and mounting and fixing a main building on the beam in a erected shape, and a roof panel is fixed to this roof structure. It has been known.

  As shown in FIG. 9, in the carport described in Patent Document 1, the column 110 and the beam 120 are connected by inserting a joint member 130 having a square shape into the upper end of the column 110 and the one end of the beam 120, respectively. It is done by fastening at 140.

However, since the head of the bolt 140 is exposed, there is a problem that the design is poor.
In addition, since there is a clearance between the inner dimensions of the columns 110 and the beams 120 and the joint fittings 130, there is a problem that the bolts 140 of the columns 110 and the beams 120 are recessed around when the bolts 140 are fastened.
Further, there is a problem that the exposed bolt 140 is easily corroded.

JP-A-6-88443

  In view of the above circumstances, an object of the present invention is to provide a frame material connection structure that is resistant to corrosion and excellent in design.

The frame material coupling structure of the first invention is a coupling structure for coupling the first frame material and the second frame material, and the coupling tool for coupling the first frame material and the second frame material is at least The first frame member is inserted into the first frame member, and the first frame member has a hollow portion surrounded by a concave plate recessed inward and a front plate that closes the opening of the concave plate. The cavity is formed along the longitudinal direction of the first frame member, and the front plate is integrally formed on the surface of the first frame member, and the concave plate, the coupling tool, The head is fastened with a bolt housed in the cavity.
The frame material connection structure according to a second aspect of the present invention is characterized in that, in the first aspect , the bolt head is covered with a bolt cap inserted into a hole formed in the front plate.
The frame material coupling structure of the third invention is a coupling structure for coupling the first frame material and the second frame material, wherein the coupling tool for coupling the first frame material and the second frame material is at least The first frame member is inserted into the first frame member, and the first frame member has a hollow portion surrounded by a concave plate recessed inward and a front plate that closes the opening of the concave plate. The hollow portion is formed along the longitudinal direction of the first frame member, and the front plate is slide-fitted into fitting grooves formed at both side edges of the opening of the concave plate. The concave plate and the connector are fastened with a bolt whose head is housed in the cavity, and the head of the bolt is formed on the front plate. A bolt cap inserted in the hole is covered, and the top surface of the bolt cap protrudes outside the surface of the front plate. .

According to the first invention, the following effects are produced.
a) Since the head portion of the bolt is housed in the hollow portion, the bolt is not conspicuous in appearance, and the design is excellent. In addition, since the concave plate formed on the inner side of the first frame member and the connector are fastened with bolts, the depression of the first frame member due to the fastening of the bolts does not appear on the surface, and the design is excellent. Furthermore, since the bolt is not exposed, it is difficult to corrode.
b) Since the hollow portion is formed along the longitudinal direction of the first frame member, the first frame member can be formed by extrusion and can be manufactured at low cost.
c) Since the front plate is integrally formed with the first frame member, there is no step in the appearance and the design is excellent.
According to the second invention, since the bolt cap is put on the head of the bolt, the bolt is not conspicuous in appearance, and the design is excellent. Moreover, since the bolt is not exposed, it is difficult to corrode.
According to the third invention, the following effects are obtained.
a) Since the front plate is a separate member from the first frame member, it is not necessary to form a hollow portion having a small opening area in the first frame member, and the first frame member with stable dimensional accuracy can be manufactured. .
b) Since the front plate is slide-fitted into the opening of the concave plate, there is no possibility that the front plate will come off even if the first frame member is bent.
c) Since the head of the bolt is exposed by removing the bolt cap, maintenance such as tightening of the bolt and disassembly can be easily performed.

It is an expanded view of the connection part of the support | pillar of a carport and the beam to which the connection structure of the frame material which concerns on 1st Embodiment of this invention is applied. It is a perspective view of the connection part. (A) is the IIIa-IIIa arrow directional cross-sectional view in FIG. 2, (b) is the IIIb-IIIb arrow directional cross-sectional view in FIG. It is the IV-IV line arrow directional view in FIG. It is an expanded view of the connection part of the support | pillar of a carport and the beam to which the connection structure of the frame material which concerns on 2nd Embodiment of this invention is applied. (A) is sectional drawing of positions other than the bolt position of the connection part, (b) is sectional drawing of the bolt position of the connection part. It is a front view of the connection part of the support | pillar of a carport and the beam to which the connection structure of the frame material which concerns on 3rd Embodiment of this invention is applied. (A) is the VIIIa-VIIIa arrow directional cross-sectional view in FIG. 7, (b) is the VIIIb-VIIIb arrow directional cross-sectional view in FIG. It is a front view of the connection part of the support | pillar and beam of the conventional carport.

Next, an embodiment of the present invention will be described with reference to the drawings.
The frame material connection structure according to the present invention includes, for example, a carport installed in a parking lot, a cycle port installed in a bicycle parking lot, a roof installed in an outdoor passage or resting place, a column, a beam, etc. It is a connecting structure of frame materials that constitute the framework of the rain protection structure. Further, in addition to the connection between the support column and the beam, any part can be applied as long as it is a connection between the frame members such as the support columns and the beams.
Hereinafter, the connection between the column and the beam of the carport which is a rain protection structure will be described as an example.

(First embodiment)
As shown in FIG. 1, the frame member connection structure according to the first embodiment of the present invention is a structure in which a carport column 10 and a beam 20 are connected in an L shape. The column 10 is erected on the ground of the parking lot, and the beam 20 is connected to the column 10 and then a roof frame member is attached thereto, and the roof panel is fixed to the roof frame member. Normally, a plurality of combinations of the column 10 and the beam 20 are provided in one carport.

  The support column 10 and the beam 20 are hollow rod-shaped members formed by extrusion molding of aluminum or the like. Therefore, the column 10 and the beam 20 can be manufactured at low cost. An L-shaped connecting bracket 30 is inserted into the upper end of the support column 10 and one end of the beam 20, and the connection bracket 30, the support column 10, and the beam 20 are fastened with bolts 40. Are connected (see FIG. 2).

As shown in FIG. 3A, the support column 10 is formed with a hollow portion 13 surrounded by a concave plate 11 recessed inside thereof and a front plate 12 that closes the opening of the concave plate 11. The cavity 13 is formed on the surface (both left and right in FIG. 3) of the column 10 into which the bolt 40 is inserted. Moreover, since the support | pillar 10 is an extrusion molded product, the cavity part 13 is formed in the whole area of a longitudinal direction along the longitudinal direction (perpendicular | vertical direction with respect to the paper surface in FIG. 3) of the support | pillar 10. Further, the front plate 12 is integrated with the surface of the support column 10 and is formed without a step in appearance.
In addition, when forming the support | pillar 10 by methods other than extrusion molding, it is not necessary to form the cavity part 13 in the whole area of a longitudinal direction, and you may form only in the position where the volt | bolt 40 is inserted.

On the other hand, the connection fitting 30 is a hollow member, and has a size such that the connection fitting 30 and the concave plate 11 come close to each other with some clearance when inserted into the column 10.
Further, as shown in FIG. 3B, a screw hole 14 into which the shaft portion 41 of the bolt 40 is screwed is formed in a portion close to the concave plate 11 of the connection fitting 30. In the same position as the screw hole 14, a hole 15 into which the shaft portion 41 of the bolt 40 can be inserted is formed in the concave plate 11, and a bolt into which the head portion 42 of the bolt 40 can be inserted in the front plate 12. A hole 16 is formed.

  The bolt 40 is inserted from the bolt hole 16, and the shaft portion 41 passes through the hole 15 of the concave plate 11 and is screwed into the screw hole 14 of the connection fitting 30. Thereby, the concave plate 11 and the connection fitting 30 are fastened, and the support column 10 and the connection fitting 30 are fixed. Note that a washer and a spring washer inserted into the shaft portion 41 are sandwiched between the head portion 42 of the bolt 40 and the concave plate 11.

The bolt 40 has a head portion 42 housed in the hollow portion 13 so as not to protrude from the surface of the column 10. The head 42 is covered with a bolt cap 43. The bolt cap 43 is made of resin and is fixed to the head 42 by friction. The bolt cap 43 is inserted into the bolt hole 16, and the top surface 43 a hardly protrudes from the surface of the column 10. Moreover, as shown in FIG. 4, the inner diameter of the bolt hole 16 is slightly larger than the diameter of the bolt cap 43, and the gap between them is reduced.

As described above, since the head portion 42 of the bolt 40 is housed in the hollow portion 13 and the bolt cap 43 is covered, the bolt 40 is not conspicuous in appearance and is excellent in design.
Moreover, since the concave plate 11 formed inside the support column 10 and the connection fitting 30 are fastened by the bolt 40, the depression of the support column 10 due to the fastening of the bolt 40 does not appear on the surface of the support column 10, and is excellent in design. ing.
Moreover, since the bolt 40 is not exposed, it is difficult to corrode.
Furthermore, since the head portion 42 of the bolt 40 is exposed by removing the bolt cap 43, maintenance such as retightening of the bolt 40 and disassembly can be easily performed.

  The beam 20 is also formed with a hollow portion surrounded by a concave plate and a front plate in the same manner as the support column 10, so that the bolt 40 that fastens the beam 20 and the connection fitting 30 is not conspicuous in appearance. ing. Therefore, it is possible to improve the design of the connecting portion between the carport column 10 and the beam 20.

(Second Embodiment)
As shown in FIG. 5, in the frame material connection structure according to the second embodiment of the present invention, in the first embodiment, the support plate 10 and the front plate 12 of the beam 20 are separated from the support column 10 and the beam 20. It is a formed structure.

More specifically, as shown in FIG. 6A, the concave plate 11 recessed inside is provided on the surface (both left and right surfaces in FIG. 6) of the column 10 into which the bolt 40 is inserted, in the longitudinal direction of the column 10. It is formed in the entire region in the longitudinal direction along (perpendicular to the paper surface in FIG. 6). Fitting grooves 17 are formed on both side edges of the opening of the concave plate 11, and both side edges of the front plate 12, which is a long plate member, are slid into the fitting grooves 17. A hollow portion 13 is formed by the concave plate 11 and the front plate 12.
The front plate 12 is combined with the support 10 by inserting it into the fitting groove 17 from one end of the support 10. Further, the front plate 12 is flush with the surface of the support column 10 in a state of being combined with the support column 10, and is configured so that there is almost no step in appearance.

  Thus, since the front plate 12 is a separate member from the support column 10, it is not necessary to form the hollow portion 13 having a small opening area in the support column 10, and the support column 10 with stable dimensional accuracy can be manufactured.

  As shown in FIG. 6B, also in this embodiment, the bolt 40 is inserted from the bolt hole 16 formed in the front plate 12, and the shaft portion 41 passes through the hole 15 of the concave plate 11 and Screwed into the screw hole 14. Thereby, the concave plate 11 and the connection fitting 30 are fastened, and the support column 10 and the connection fitting 30 are fixed. The bolt 40 has its head 42 accommodated in the cavity 13 so that it does not protrude from the surface of the support column 10. The head 42 is covered with a bolt cap 43.

  Since it is the above structures, the volt | bolt 40 is not conspicuous in an external appearance, and the hollow of the support | pillar 10 by fastening of the volt | bolt 40 does not appear on the surface of the support | pillar 10, and it is excellent in design property. Moreover, since the bolt 40 is not exposed, it is difficult to corrode. Furthermore, since the head portion 42 of the bolt 40 is exposed by removing the bolt cap 43, maintenance such as retightening of the bolt 40 and disassembly can be easily performed.

  A concave plate is also formed on the beam 20 in the same manner as the support column 10, and a front plate is slidably fitted into the opening of the concave plate. And the bolt 40 which fastens the beam 20 and the connection metal fitting 30 does not stand out in appearance. Therefore, it is possible to improve the design of the connecting portion between the carport column 10 and the beam 20.

  In addition, the support | pillar 10 and the beam 20 have the property to bend in a longitudinal direction by a wind pressure. For this reason, if the configuration is such that both side edges of the front plate 12 are elastically deformed and fitted into the cavity 13, the front plate 12 may be detached due to bending. However, in the present embodiment, since both side edges of the front plate 12 are slidably fitted into the fitting grooves 15 formed along the longitudinal direction of the columns 10 and the beams 20, the columns 10 and the beams 20 are bent. However, there is no fear that the front plate 12 will come off.

(Third embodiment)
As shown in FIG. 7, the frame material connection structure according to the third embodiment of the present invention is a structure in which the beam 20 is connected to the upper end of the column 10 of the carport in a T shape.
As shown in FIG. 8A, the connecting metal fitting 50 includes an inverted U-shaped first metal fitting 51 that protrudes from the bottom surface of the beam 20, and a flat second metal fitting 52 that is inserted into the beam 20. It is composed of The first metal fitting 51 and the second metal fitting 52 are fastened with bolts and fixed to the bottom surface of the beam 20. The first metal fitting 51 is inserted into the upper end of the support column 10, and the support member 10 and the beam 20 are connected by fastening the first metal fitting 51 and the support column 10 with the bolt 40.

  As shown in FIG. 8 (b), also in this embodiment, the concave plate 11 recessed inside is provided on the surface (both left and right surfaces in FIG. 8 (b)) of the column 10 where the bolt 40 is inserted. It is formed in the entire region in the longitudinal direction along the longitudinal direction of 10 (perpendicular to the paper surface in FIG. 8B). However, unlike the above embodiment, the width dimension of the concave plate 11 is the same as the width dimension of the column 10. The front plate 12 is a long plate member having the same width dimension as that of the support column 10, and is formed as a separate member from the support column 10. Fitting grooves 18 are formed on the left and right side edges of the front plate 12, and both side edges of the opening of the concave plate 11 are slidably fitted into the fitting grooves 18. A hollow portion 13 is formed by the concave plate 11 and the front plate 12.

  Also in this embodiment, the bolt 40 is inserted from a bolt hole formed in the front plate 12, and the shaft portion 41 passes through the hole 15 of the concave plate 11 and is screwed into the screw hole 14 of the first metal fitting 51. Thereby, the concave plate 11 and the connection fitting 50 are fastened, and the support column 10 and the connection fitting 50 are fixed. The bolt 40 has a head 42 accommodated in the cavity 13 so that it does not protrude from the front plate 12. The head 42 is covered with a bolt cap 43.

  Here, in this embodiment, since the cavity 13 is formed wide, the two bolts 40 are aligned and fastened in the short direction of the column 10. Thus, in addition to arranging and fastening a plurality of bolts in the longitudinal direction of the frame material, they may be arranged and fastened in the short direction of the frame material.

  In this embodiment as well, the bolt 40 is not conspicuous in appearance, and the depression of the column 10 due to the fastening of the bolt 40 does not appear on the surface of the column 10 and is excellent in design. Moreover, since the bolt 40 is not exposed, it is difficult to corrode. Furthermore, since the head portion 42 of the bolt 40 is exposed by removing the bolt cap 43, maintenance such as retightening of the bolt 40 and disassembly can be easily performed.

DESCRIPTION OF SYMBOLS 10 Support | pillar 11 Concave plate 12 Surface plate 13 Cavity part 20 Beam 30 Connecting metal fitting 40 Bolt 41 Shaft part 42 Head part 43 Bolt cap
43a Top face of bolt cap

Claims (3)

A connection structure for connecting the first frame member and the second frame member,
A connector for connecting the first frame member and the second frame member is inserted at least inside the first frame member;
In the first frame member, a hollow portion surrounded by a concave plate recessed inward and a front plate closing the opening of the concave plate is formed,
The hollow portion is formed along the longitudinal direction of the first frame member,
The front plate is integrally formed on the surface of the first frame member,
The concave plate and the connection tool are fastened with bolts whose heads are housed in the hollow portions. The head of the bolt, the connection structure of the frame member according to claim 1, wherein the inserted bolt cap hole formed in the table plate is covered.   A connection structure for connecting the first frame member and the second frame member,
A connector for connecting the first frame member and the second frame member is inserted at least inside the first frame member;
In the first frame member, a hollow portion surrounded by a concave plate recessed inward and a front plate closing the opening of the concave plate is formed,
The hollow portion is formed along the longitudinal direction of the first frame member,
The front plate is a long plate member whose both side edges are slide-fitted into fitting grooves formed in the opening of the concave plate,
The concave plate and the connector are fastened with a bolt whose head is housed in the cavity,
The head of the bolt is covered with a bolt cap inserted into a hole formed in the front plate,
The top surface of the bolt cap protrudes outside the surface of the front plate.
A connecting structure of frame materials characterized by that.

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