JP2008111251A - Connecting fitting for building, and connecting structure using it - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To stably mount a member-to-be-connected on a skeleton constituting member, while keeping constructibility proper, even if a pitch between bolt holes on the side of the skeleton constituting member such as a beam and a column is different from a pitch between bolt holes on the side of the member-to-be-connected of a framework etc. <P>SOLUTION: A flat plate 10 of the connecting fitting 1 for building is sandwiched between an existing beam 2 and a new framework 3; first bolts 11 and 11, which are protrusively provided on the front side of the flat plate 10, are inserted into first bolt holes 6a and 6a which are formed in the existing beam 2, respectively; second bolts 12 and 12, which are protrusively provided on the backside of the flat plate 10, are inserted into second bolt holes 7a and 7a which are formed in the new framework 3 with a pitch different from a pitch between the first bolt holes 6a and 6a, respectively; and nuts 15, 16, etc. are screwed and fastened to the first bolts 11 and 11 and the second bolts 12 and 12, respectively, so that the existing beam 2 and the new framework 3 can be connected together via the connecting fitting 1. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an architectural connecting bracket for connecting a member to be connected such as a shaft set to a 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.

  Accordingly, in order to solve the above problems, the present invention has different pitches between bolt holes or misalignment of bolt holes on the side of the structural member such as a beam or column and the connected member side such as a shaft assembly. Even if it is, it aims at provision of the connecting structure for construction which can attach a member to be connected to a frame constituent member stably, and a connection structure using the same, maintaining workability satisfactorily.

  In order to solve the above-mentioned problems, a connecting fitting for building 1 according to the present invention is for connecting a member to be connected 3 such as a shaft assembly to a frame constituting member 2 such as a beam or a column. A flat plate 10 sandwiched between the member 2 and the connected member 3, and a plurality of first bolt holes 6a, 6a formed on the surface of the flat plate 10 so as to protrude from the surface of the flat plate 10. A plurality of first bolts 11, 11 formed on the back surface of the flat plate 10 and formed on the connected member 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 second bolt holes 7a and 7a.

  Then, the flat plate 10 of the above-described architectural connecting bracket 1 is sandwiched between the frame constituting member 2 such as a beam or a column and the connected member 3 such as a shaft, and a plurality of the first connecting plate 1 of the architectural connecting bracket 1 is used. 1 bolts 11, 11 are inserted into the plurality of first bolt holes 6 a, 6 a formed in the casing component member 2, and the plurality of second bolts 12, 12 of the construction fitting 1 are connected to the first bolt The plurality of second bolt holes 7a, 7a formed in the connected member 3 at a pitch different from the pitch between the holes 6a, 6a are inserted into the first bolts 11, 11 and the second bolts 12, 12. By screwing and tightening the nuts 15, 16..., The housing structural member 2 and the member to be coupled 3 are coupled via the construction coupling metal 1.

  A connecting metal fitting for building 1 according to another invention is for connecting a member to be connected 3 such as a shaft assembly to a frame member 2 such as a beam or a column, and the frame member 2 and the member to be connected. A flat plate 10 sandwiched between the flat plate 10 and a flat plate 10 protruding from the surface of the flat plate 10 and inserted into one or a plurality of first bolt holes 6a, 6a formed in the housing member 2 1 or A plurality of first bolts 11, 11 and one or a plurality of protrusions formed on the back surface of the flat plate 10 and formed on the connected member 3 in a state of being displaced with respect to the first bolt holes 6 a, 6 a. The second bolt holes 7a and 7a are provided with one or a plurality of second bolts 12 and 12, respectively.

  Then, the flat plate 10 of the above-described architectural fitting 1 is sandwiched between the frame component 2 such as a beam or a column and the coupled member 3 such as a shaft, 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 2, and one or more second bolts 12, 12 of the construction fitting 1 are inserted. Is inserted into one or a plurality of second bolt holes 7a, 7a formed in the connected member 3 in a state of being displaced with respect to the first bolt holes 6a, 6a, and these first bolts 11, 11 are inserted. And the nuts 15, 16... Are screwed and tightened to the second bolts 12, 12, thereby connecting the housing constituent member 2 and the member to be connected 3 via the connection fitting 1 for building.

  By using the connection fitting of this invention, even if the pitch between the bolt holes is different or the position of the bolt hole is shifted between the casing component member side and the connected member side, these are absorbed by the connection fitting. The housing member and the member to be connected can be reliably connected by the bolt and the nut. Thereby, a to-be-connected member can be stably attached to a frame component 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.

  Further, since the flat plate is only sandwiched between the housing component member and the member to be connected, the connecting fitting greatly protrudes from the connecting portion to cause interference with other members, or simply connected by bolts and nuts. There is no inconvenience that a large design change occurs compared to the case.

  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, and the lower flange 6 has a beam longitudinal direction. 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 the single bolt hole is shifted 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. For example, the connecting bracket of the present invention is not only used for connecting an existing beam at the time of renovation of a building and a new shaft, but also to a frame structural member such as a beam or a column at the time of new construction of a building. You may make it use in order to connect the to-be-connected member.

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)

A connection fitting for building (1) for connecting a member to be connected (3) such as a shaft set to a frame member (2) such as a beam or a column, which is connected to the case component (2). A flat plate (10) sandwiched between the member (3) and a plurality of first bolt holes (6a) projecting from the surface of the flat plate (10) and formed in the housing constituting member (2) ) (6a) and a plurality of first bolts (11) and (11), and a pitch between the first bolt holes (6a) and (6a) protruding from the back surface of the flat plate (10), Comprises a plurality of second bolts (12) (12) inserted through a plurality of second bolt holes (7a) (7a) formed in the connected member (3) at different pitches. Connecting bracket for construction. A connection fitting for building (1) for connecting a member to be connected (3) such as a shaft set to a frame member (2) such as a beam or a column, which is connected to the case component (2). A flat plate (10) sandwiched between the member (3), and one or a plurality of first bolt holes formed on the surface of the flat plate (10) and formed in the casing component member (2) (6a) One or a plurality of first bolts (11) (11) inserted through the (6a), and protruding from the back surface of the flat plate (10), the first bolt holes (6a) (6a) One or a plurality of second bolts (12) (12) inserted through one or a plurality of second bolt holes (7a) (7a) formed in the connected member (3) in a state of being displaced relative to An architectural connecting bracket characterized by comprising: The flat plate (10) of the construction fitting (1) according to claim 1 is sandwiched between a frame constituting member (2) such as a beam or a column and a connected member (3) such as a shaft, and the The plurality of first bolts (11) and (11) of the connection fitting for building (1) are inserted through the plurality of first bolt holes (6a) and (6a) formed in the housing component member (2), and the building A plurality of second bolts (12), (12) of the connecting metal fitting (1) are formed on the connected member (3) at a pitch different from the pitch between the first bolt holes (6a), (6a). A plurality of second bolt holes (7a) (7a) are inserted, and nuts (15) (16) are screwed into the first bolts (11) (11) and the second bolts (12) (12). By tightening, the frame component member (2) and the member to be connected (3) are connected via the construction fitting (1). Connecting structure, characterized in that linked Te. The flat plate (10) of the construction fitting (1) according to claim 2 is sandwiched between a frame constituting member (2) such as a beam or a column and a connected member (3) such as a shaft, and the One or a plurality of first bolts (11), (11) of the connection fitting for building (1) are inserted into one or a plurality of first bolt holes (6a), (6a) formed in the housing constituting member (2). The one or more second bolts (12) and (12) of the construction fitting (1) are displaced with respect to the first bolt holes (6a) and (6a). 3) is inserted into one or a plurality of second bolt holes (7a) (7a), and nuts (15) are inserted into the first bolts (11) (11) and the second bolts (12) (12). (16)... Are screwed together and tightened so that the housing member (2) and the connected member (3) are built. Connecting structure, characterized in that linked via use connecting fitting (1).