JP4984826B2 - Connecting bracket for building and connecting structure using the same - Google Patents

Description

The present invention relates to an architectural connecting bracket for connecting a new shaft set to an existing structural member such as a beam or a column, and a connecting structure using the same.

  When remodeling a building with a steel frame structure, for example, when the exterior part is remodeled, for example when a hanging wall is newly built at the entrance, a new frame for a new exterior material is added to the existing beams and columns. May be newly connected.

  In such a connection, a bolt hole formed in an existing beam or column and a bolt hole formed in a new shaft set are used, and a nut is screwed and tightened to a bolt inserted into the bolt hole. It is common. Such a structure in which a beam and a shaft assembly are connected by bolts and nuts is also disclosed in Patent Document 1, for example.

Japanese Patent Laid-Open No. 8-49345

  However, in the above, if the specifications of the frame are changed between the beginning and the present of the building, the hole pitch of the bolt holes may be different between the existing side and the new side, or the position of the bolt holes may be shifted. is there. In such a case, at the construction site, processing is performed such that a new shaft is connected to an existing beam or column by welding.

  However, in the connection by welding as described above, there are problems such as deterioration of workability and a long work time, and variations in the mounting strength and mounting accuracy of the new shaft assembly. Furthermore, since sparks and the like generated during welding cause a fire, there is a problem in safety.

Therefore, in order to solve the above-mentioned problems, the present invention has different pitches between bolt holes or misaligned bolt holes on the side of the existing structural members such as beams and columns and the new shaft assembly. Another object of the present invention is to provide an architectural connecting bracket capable of stably attaching a shaft assembly to a frame component member while maintaining good workability, and a connecting structure using the same.

In order to solve the above-mentioned problems, a connecting metal fitting 1 for building according to the present invention is for connecting a new shaft assembly 3 to an existing frame component 2 such as a beam or a column, and the frame component 2 and the flat plate 10 sandwiched between the shaft assembly 3 and a plurality of first bolt holes 6 a and 6 a formed integrally on the surface of the flat plate 10 and formed in the housing member 2. A plurality of first bolts 11, 11 to be inserted and projecting integrally on the back surface of the flat plate 10 and formed in the shaft set 3 at a pitch different from the pitch between the first bolt holes 6 a, 6 a. And a plurality of second bolts 12 and 12 inserted through the plurality of second bolt holes 7a and 7a.

Then, the flat plate 10 of the above-described architectural connecting bracket 1 is sandwiched between the existing structural member 2 such as a beam and a column and the new shaft assembly 3, and a plurality of first plates of the architectural connecting bracket 1 are provided. The bolts 11 and 11 are inserted into the plurality of first bolt holes 6a and 6a formed in the housing component member 2, and the plurality of second bolts 12 and 12 of the construction fitting 1 are inserted into the first bolt holes. A plurality of second bolt holes 7a and 7a formed in the shaft set 3 are inserted at a pitch different from the pitch between 6a and 6a, and nuts 15 are inserted into the first bolts 11 and 11 and the second bolts 12 and 12, respectively. , 16... Are screwed together and fastened to connect the housing structural member 2 and the shaft assembly 3 via the construction connecting metal fitting 1.

Building connecting fitting of another invention 1 is for connecting the framing 3 new respect existing skeleton structure member 2 such as beams and columns, and the skeleton-constituting member 2 and the shaft assembly 3 A flat plate 10 sandwiched between the flat plate 10 and a surface of the flat plate 10 that protrudes integrally and is inserted through one or a plurality of first bolt holes 6a, 6a formed in the housing constituting member 2. Alternatively, a plurality of first bolts 11, 11 are formed integrally with the back surface of the flat plate 10, and are formed in the shaft assembly 3 in a state of being displaced with respect to the first bolt holes 6 a, 6 a. One or a plurality of second bolts 12, 12 inserted into one or a plurality of second bolt holes 7 a, 7 a are provided.

Then, the flat plate 10 of the above-described architectural fitting 1 is sandwiched between the existing structural member 2 such as a beam or a column and the new shaft 3, and one or more of the architectural coupling 1 is provided. The first bolts 11, 11 are inserted into one or more first bolt holes 6 a, 6 a formed in the housing component member 2, and the one or more second bolts 12, 12 of the construction fitting 1 are inserted. The first bolt holes 6a, 6a are inserted into one or a plurality of second bolt holes 7a, 7a formed in the shaft assembly 3 in a state of being displaced with respect to the first bolt holes 6a, 6a. By screwing and tightening nuts 15, 16... To the two bolts 12, 12, the housing constituent member 2 and the shaft assembly 3 are connected via the construction connecting bracket 1.

By using the connecting bracket of this invention, even if the pitch between the bolt holes is different on the housing component side and the shaft assembly side or the position of the bolt hole is shifted, these are absorbed by the connecting bracket, The casing component member and the shaft assembly can be securely connected by bolts and nuts. Thereby, a shaft assembly can be stably attached to a frame structural member, maintaining workability satisfactorily. Moreover, there is no fear of fire as in the case of connection by welding, and the safety of work at the construction site can be improved.

Furthermore, since the plane plate is only sandwiched between the frame component member and the shaft assembly , the connecting bracket greatly protrudes from the connecting portion, causing interference with other members, or simply connected by bolts and nuts. There is no problem that a large design change is involved.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the renovation of a steel frame structure building, for example, when building a hanging wall on a front door, a construction connecting bracket 1 according to an embodiment of the present invention is an existing structural member as shown in FIG. It is used to connect a new shaft 3 for a new hanging wall, which is a connected member, to the beam 2.

  As shown in FIGS. 2 and 3, the existing beam 2 is made of an H-shaped steel in which a central portion of a pair of upper and lower flanges 5, 6 is connected by a web 4. A pair of first bolt holes 6a, 6a are formed at intervals.

  The new shaft 3 is formed by assembling a frame material 7 made of grooved steel with a lip into a rectangular frame shape, and a pair of second bolt holes 7a are provided in the upper frame material 7 with a gap in the longitudinal direction thereof. 7a are formed. The second bolt holes 7a, 7a of the new shaft 3 and the first bolt holes 6a, 6a of the existing beam 2 have different hole pitches. When arranged at the mounting position, the first bolt holes 6a, 6a and the second bolt holes 7a, 7a are not aligned and are in a misaligned state.

  As shown in FIG. 3, the connecting bracket 1 includes a thin plate-like flat plate 10 sandwiched between the lower flange 6 of the existing beam 2 and the upper frame member 7 of the new shaft 3, and the surface of the flat plate 10 ( A pair of first bolts 11, 11 projecting integrally on the upper surface) and a pair of second bolts 12, 12 projecting integrally on the rear surface (lower surface) of the flat plate 10 are provided.

  The pitch between the first bolts 11 and 11 is wider than the pitch between the second bolts 12 and 12, and the first bolts 11 and 11 and the second bolts 12 and 12 are surfaces of the flat plate 10. The first bolts 11, 11 are in the first bolt holes 6 a, 6 a of the existing beam 2, and the second bolts 12, 12 are in the second bolt holes 7 a, 7 a of the new shaft 3, respectively. It is designed to be inserted.

  The connection between the existing beam 2 and the new shaft 3 using the connection bracket 1 is performed by first inserting the first bolts 11 and 11 of the connection bracket 1 into the first bolt holes 6 a and 6 a of the existing beam 2. The flat plate 10 is brought into contact with the lower surface of the lower flange 6 of the existing beam 2, and nuts 15, 15 are screwed onto the first bolts 11, 11 to be tightened. Attach to the flange 6. In this state, the second bolts 12, 12 of the connection fitting 1 are inserted into the second bolt holes 7 a, 7 a of the new shaft 3 so that the lower flange 6 of the existing beam 2 and the upper frame of the new shaft 3 are inserted. By sandwiching the flat plate 10 of the connecting bracket 1 with the material 7 and screwing and tightening the nuts 16, 16 to the second bolts 12, 12, the existing beam 2 and the new shaft 3 are connected via the connecting bracket 1. Are connected. In the above connection, the connecting bracket 1 is attached to the existing beam 2 and then the new shaft assembly 3 is attached. However, the connecting shaft 1 is attached to the new shaft assembly 3, and this new shaft assembly is attached. 3 may be attached to the existing beam 2.

  By using the connecting metal 1 in this way, even if the pitch between the bolt holes is different between the existing beam 2 side and the new shaft 3 side, and the positions of the bolt holes are shifted, these are absorbed by the connecting metal 1. Thus, the existing beam 2 and the new shaft 3 can be reliably connected by the bolts 11, 12... And the nuts 15, 16.

  4 to 6 show a connecting fitting 1 according to another embodiment. In the connecting metal fitting 1 shown in FIG. 4, one of the second bolts 12 and 12 on the back surface of the flat plate 10 is arranged at the same position as one of the first bolts 11 and 11 on the front surface of the flat plate 10. The other of the second bolts 12 and 12 is disposed between the first bolts 11 and 11. That is, the connecting metal fitting 1 has a pitch between the first bolts 11 and 11 and a pitch between the second bolts 12 and 12 different from each other, and the pitch between the bolt holes on the existing beam 2 side and the new shaft 3 side. Used when are different from each other.

  The connecting fitting 1 shown in FIG. 5 has one second bolt 12 on the back surface of the flat plate 10 and is arranged between the first bolts 11 and 11. That is, in the connecting fitting 1, the first bolts 11, 11 and the second bolt 12 are displaced from each other, the number of bolt holes is different between the existing beam 2 side and the new shaft 3 side, and the bolt holes Is used when the positions of are deviated from each other.

  In the connecting metal fitting 1 shown in FIG. 6, the first bolt 11 on the surface of the flat plate 10 and the second bolt 12 on the back surface of the flat plate 10 are both one, and they are displaced from each other. This is used when the position of a single bolt hole is deviated from the new shaft 3 side.

  The present invention is not limited to the above embodiment, and it is needless to say that many modifications and changes can be made to the above embodiment within the scope of the present invention.

It is a front view which shows the connection structure using the connection metal fitting which concerns on one Embodiment of this invention. It is the perspective view similarly. It is the exploded perspective view similarly. It is a front view of the coupling metal fitting which concerns on other embodiment. It is a front view of the coupling metal fitting which concerns on other embodiment. It is a front view of the coupling metal fitting which concerns on other embodiment.

Explanation of symbols

  1 .... Connecting brackets for construction, 2..Structural members (existing beams), 3..Connected members (new shaft), 6a..First bolt holes, 7a..Second bolt holes, 10 ... Flat plate, 11 ··· 1st bolt, 12 ··· 2nd bolt, 15, 16 ... nut

Claims (4)

An architectural connecting bracket (1) for connecting a new shaft set (3) to an existing frame component (2) such as a beam or a column, wherein the frame component (2) and the shaft set ( 3) and a plurality of first bolt holes (1) formed in the housing constituting member (2) so as to project integrally with the surface of the flat plate (10). 6a) (a plurality of first bolts (11 to be inserted into 6a)) (11) and the rear surface is integrally projected planar plate (10), said first bolt holes (6a) (6a) A plurality of second bolts (12) (12) inserted through a plurality of second bolt holes (7a) (7a) formed in the shaft set (3) at a pitch different from the pitch between them. An architectural connecting bracket characterized by An architectural connecting bracket (1) for connecting a new shaft set (3) to an existing frame component (2) such as a beam or a column, wherein the frame component (2) and the shaft set ( 3) a flat plate (10) sandwiched between the flat plate (10) and one or a plurality of first bolts formed integrally on the surface of the flat plate (10) and formed on the housing component (2). One or a plurality of first bolts (11) (11) inserted through the holes (6a) (6a) and a rear surface of the flat plate (10) are integrally projected to the first bolt holes (6a). ) (6a) One or a plurality of second bolts (12) inserted through one or a plurality of second bolt holes (7a) (7a) formed in the shaft set (3) in a state shifted in position (12) An architectural connecting bracket, comprising: The flat plate (10) of the construction fitting (1) according to claim 1 is sandwiched between an existing structural member (2) such as a beam or a column and a new shaft (3), and the building The plurality of first bolts (11), (11) of the connecting metal fitting (1) are inserted into the plurality of first bolt holes (6a), (6a) formed in the housing component member (2), and the building A plurality of second bolts (12) and (12) of the connecting fitting (1) are formed on the shaft set (3) at a pitch different from the pitch between the first bolt holes (6a) and (6a). Insert the nuts (15), (16),... Into the first bolts (11), (11) and the second bolts (12), (12) by inserting them into the second bolt holes (7a), (7a). by tightening, this linked the skeleton-constituting member (2) and framing (3) and through the building connecting fitting (1) Coupling structure according to claim. The flat plate (10) of the construction fitting (1) according to claim 2 is sandwiched between an existing structural member (2) such as a beam or a column and a new shaft (3), and the building One or a plurality of first bolts (11), (11) of the connecting metal fitting (1) is inserted into one or a plurality of first bolt holes (6a), (6a) formed in the housing constituting member (2). The shaft assembly (3) with the one or more second bolts (12) (12) of the construction fitting (1) displaced from the first bolt holes (6a) (6a). Are inserted into one or a plurality of second bolt holes (7a) (7a) formed in the first bolt (11) (11) and the second bolt (12) (12) and the nut (15) (16 ) by tightening screwed ..., the precursor component (2) and framing (3) and the building connecting fitting ( Connecting structure, characterized in that linked) through.