JP7232126B2 - Member connection structure - Google Patents

Description

TECHNICAL FIELD The present invention relates to a member connection structure used to connect one member and the other member arranged perpendicular thereto, for example, to a member connection structure used to connect a column and a beam. .

As a conventional member connection structure, there is one described in Patent Document 1 under the name of a column-to-beam connection structure using end plates. A member connection structure described in Patent Document 1 (FIG. 5) connects a support column and a beam via an end plate. The strut is a hollow member with a rectangular cross section. The beam has upper and lower beam flanges and a web connecting the centers of the beam flanges longitudinally. The end plate is a member having a T-shaped cross section and having an end plate main body portion fixed to the side surface of the column and a beam joint portion perpendicular to the end plate main body portion.

The endplates described above have the beam joint offset to one side by the thickness of the beam web to align the centerline of the strut with the centerline of the beam. The endplate has respective bolts on either side of the beam joint that secure the endplate body to the stanchion and another bolt that secures the beam joint to the web of the beam. Thereby, the pillar and the beam are connected via the end plate.

JP-A-2002-161582

However, in the above-described conventional member connection structure, while a single end plate is used to connect the strut and the beam, the beam joints of the end plate are used for the convenience of aligning the center lines of the strut and the beam. It must be deviated to one side. For this reason, in the conventional member connection structure, there is a problem that the load applied to the bolts placed on both sides of the beam joint becomes uneven, and there is a demand for an improvement in suppressing the locally increasing load. rice field.

The present invention has been made in view of the above conventional situation, and is a structure that connects one member and the other member that is arranged perpendicularly thereto, suppressing an increase in local load. An object of the present invention is to provide a member connection structure capable of obtaining stable connection strength.

A member connection structure according to the present invention includes one member, the other member arranged perpendicular to the one member, and a connector that connects the one member and the other member, and the connector is fixed to the one member. a first connecting part, a second connecting part that is flush with the first connecting part and fixed to the one member, and a connector that protrudes vertically from between the first connecting part and the second connecting part to the other member. It has a fixed third connecting portion and a build-up portion provided at the intersection of the first and second connecting portions and the third connecting portion, and the third connecting portion includes the first connecting portion and the second connecting portion. The cladding portion is provided on the side opposite to the offset side of the third connecting portion, and the other member has a connected portion fixed to the third connecting portion. However, the end of the connected portion is configured to abut on the build-up portion, and the above configuration is used as a means for solving the problem.

In the member connecting structure according to the present invention, the first and second connecting parts of the connecting tool are fixed to one member, and the third connecting part of the connecting part is fixed to the connected part of the other member, thereby connecting The one member and the other member are connected via a tool. In this case, the member connecting structure has a built-up portion at the intersection of the first and second connecting portions and the third connecting portion, and the third connecting portion is either the first connecting portion or the second connecting portion. The second member is deviated to one side, and a build-up portion is provided on the side opposite to the deviation side of the third connecting portion, and the end portion of the connected portion of the other member is in contact with this build-up portion. It's becoming As a result, the member connecting structure has a structure in which the third connecting portion is deviated to one side in order to align the center lines of the one member and the other member, and the fixing of each of the first and second connecting portions is performed. It becomes possible to even out the load on the tool.

In this way, the member connection structure of the present invention suppresses an increase in local load in a structure that connects one member and the other member arranged perpendicularly thereto, and provides stable connection strength. Obtainable. In addition, the member connecting structure can obtain a good external appearance without unevenness by bringing the end of the connected portion of the other member into contact with the build-up portion of the connector.

BRIEF DESCRIPTION OF THE DRAWINGS It is a perspective view explaining the structure to which the member connection structure concerning this invention is applied. BRIEF DESCRIPTION OF THE DRAWINGS It is sectional drawing explaining 1st Embodiment of the member connection structure concerning this invention. 3 is a perspective view showing a state before connection of the member connection structure shown in FIG. 2; FIG. FIG. 4 is a perspective view showing a state after connection following FIG. 3 ; FIG. 5 is a cross-sectional view illustrating a second embodiment of a member connecting structure according to the present invention; FIG. 7 is a cross-sectional view for explaining a third embodiment of a member connecting structure according to the present invention;

A structure 1 shown in FIG. 1 has pillars 2 arranged at four corners, beams 3 connected between the upper ends of adjacent pillars 2, 2, and girders 4 connected between the lower ends of adjacent pillars 2, 2. and form a three-dimensional skeleton. The member connection structure according to the present invention can be applied to the connection between the strut 2 and the beam 3 and the connection between the strut 2 and the girder 4 in the structure 1 described above.

2 to 4 are diagrams for explaining the first embodiment of the member connecting structure. That is, the illustrated member connection structure includes a support 2 as one member, a beam 3 as another member arranged perpendicularly to the support 2, and a connector 5 that connects the support 2 and the beam 3. .

The strut 2 in this embodiment is a hollow member with a rectangular cross-section. The beam 3 is a member having upper and lower horizontal walls 3A and 3B and a vertical wall 3C connecting the centers of both horizontal walls 3A and 3B in the longitudinal direction. The beam 3 is connected to the connector 5 at the end of the vertical wall 3C.

The connecting tool 5 includes a first connecting portion 51 fixed to the post (one member) 2 and a second connecting portion 52 which is flush with the first connecting portion 51 and fixed to one side surface of the post 2. have. Further, the connector 5 includes a third connecting portion 53 that projects vertically from between the first connecting portion 51 and the second connecting portion 52 and is fixed to the vertical wall 3C of the beam 3 (the other member); A built-up portion 54 is provided at the intersection of the second connecting portions 52 , 52 and the third connecting portion 53 . In other words, the connector 5 has a T-shape on a horizontal cross section by the first and second connecting portions 51 and 52 which are continuous in a plane and the third connecting portion 53 which is perpendicular to these. .

Through holes 55 for two upper and lower fasteners (screws and bolts) are formed in the first and second connecting portions 51 and 52, respectively. The third connecting portion 53 has four through holes 55 arranged vertically and horizontally. A plurality of ridges 56 functioning as stops are formed along the vertical direction. Further, the beam 3 is formed with four through holes 55 arranged vertically and horizontally corresponding to the third connecting portion 53 in the connected portion which is the end portion of the vertical wall 3C. Fasteners are typically screws, bolts, nuts, and the like, some of which are shown in FIG. 2 (symbol B).

Furthermore, in the connecting member 5, the third connecting part 53 has a thickness of the vertical wall 3C of the beam 3, as shown in FIG. It is deviated to one side by a minute. In the connector 5 of this embodiment, the third connecting portion 53 is shifted toward the second connecting portion 52 side.

The connector 51 is provided with a built-up portion 54 on the side opposite to the deviation side of the third connecting portion 53 at the intersection of the first and second connecting portions 52, 52 and the third connecting portion 53. be. The padding portion 54 in the illustrated example is functionally completely different from the R provided at a general corner portion. The padding portion 54 has an inclined surface 54A extending from the first connecting portion 51 to the third connecting portion 53 and an inclined surface 54A so as to sufficiently fill the corner portion between the first connecting portion 51 and the third connecting portion 53. It has a stepped surface 54B extending from the end of the surface 54A to the third connecting portion 53 continuously in the vertical direction. A stepped surface 54B of the build-up portion 54 has a stepped dimension corresponding to the thickness of the vertical wall 3C of the beam 3. As shown in FIG.

Furthermore, the connector 5 of this embodiment has a structure in which the one and the other connectors 5A and 5B are integrated. The one and the other couplers 5A and 5B are arranged such that the vertical side of the second coupling portion 52 in the one coupler 5A and the vertical side of the first coupling portion 51 in the other coupler 5B are arranged at 90 degrees to each other. It is a continuous integrated structure. Thereby, the coupler 5 can couple the ends of the two beams 3, 3 to two adjacent side surfaces of the support 2 via the one and the other couplers 5A, 5B.

In the member connection structure described above, the first and second connection parts 51 and 52 of the one connector 5A are connected to one side surface of the support 2 with a fastener (shown in FIG. 2) B, and the vertical wall of the beam 3 The third connecting part 53 of the one connecting tool 5A is fixed to the end (connected part) of 3C with a fastener, and the end surface of the same end is brought into contact with the stepped surface 54B of the build-up part 54 . In addition, since the coupler 5 of this embodiment is formed by integrating the two couplers 5A and 5B, on the other side adjacent to one side of the pillar 2, the beam is similarly connected via the other coupler 5B. 3 are concatenated. Thereby, the member connecting structure connects the beam 3 to the support 2 via the connecting tool 5 (5A, 5B).

In the above member connection structure, the end surfaces of the upper and lower horizontal walls 3A and 3B of the beam 3 abut the side surfaces of the column 2, and the end surface of the vertical wall 3C abuts the step surface 54B of the build-up portion 54. For this reason, in the beam 3, the horizontal walls 3A and 3B are aligned vertically, but the vertical wall 3C is made shorter than the horizontal walls 3A and 3B by the build-up portion 54. , with pre-cut ends. As a result, the upper and lower surfaces of the first and second connecting portions 51 and 52 of the connector 5 (5A and 5B) are covered with the upper and lower horizontal walls 3A and 3B of the beam 3. As shown in FIG.

The member connection structure described above has a build-up portion 54 at the intersection of the first and second connection portions 51 and 52 and the third connection portion 53, and the beam 3 is formed on the stepped surface 54B of the build-up portion 54. The end faces of the end portions (connected portions) are in contact with each other.

As a result, in the member connection structure, the third connection portion 53 is deviated to one side in order to align the center lines of the strut 2 and the beam 3, but as indicated by a plurality of small arrows in FIG. The load applied to the column 2 from the beam 3 side is evenly distributed to the fastener B side of each of the first and second connecting portions 51 and 52 via the third connecting portion 53 and the build-up portion 54 . Such a load dispersing function is similarly exerted in the one and the other coupling tools 5A and 5B.

In this way, the member connection structure suppresses an increase in local load in a structure that connects the support (one member) 2 and the beam (other member) 3 arranged perpendicular thereto, A stable connection strength can be obtained.

In addition, in the member connection structure, the end surface of the vertical wall 3C of the beam 3 is in contact with the stepped surface 54B of the build-up portion 54 without any gap. It is possible to obtain a good external appearance without any defects.

Furthermore, the connector 5 of the above-described embodiment is formed by integrating the one and the other connectors 5A and 5B that are fixed to two side surfaces of the post 2 that are 90 degrees different from each other. For this reason, the coupler 5 has a plurality of fasteners B for fixing the one coupler 5A and a plurality of fasteners B for affixing the other coupler 5B to the post 2, that is, fasteners attached from directions different by 90 degrees. It is fixed by a tool group.

Here, in the connection structure of the strut 2 and the beam 3, for example, when a downward load is applied to the beam 3 shown in FIG. direction) is generated. At this time, in the above member connection structure, since there is a fastener B of the other connection device 5B, that is, a fastener B attached in a direction orthogonal to the withdrawal direction, the force in the withdrawal direction is It is possible to prevent slackness and sufficiently maintain the strength of the connection between the connector 5 and the beam 3 with respect to the column 2 .

In addition, in the above-described member connection structure, even when a downward load is applied to the beam (not shown) connected to the other connecting member 5A, the same action prevents loosening of the fastener B, thereby To sufficiently maintain the connection strength of the connector 5 and the beam 3. In this way, the member connection structure of the above-described embodiment can maintain or improve the connection strength between the support 2 and the beam 3, in addition to the effect of dispersing the load by the build-up portion 54 of the connection tool 5. .

5 and 6 are diagrams showing second and third embodiments of the member connecting structure according to the present invention. In the following embodiments, the same components as in the first embodiment are assigned the same reference numerals, and detailed descriptions thereof are omitted.

The one member 12 in the second and third embodiments includes a pair of horizontal walls 12A and 12B and a vertical wall 12C connecting the centers of the horizontal walls 12A and 12B, as in the beam 3 of the first embodiment. in the longitudinal direction. Similarly, the other member 13 also has a pair of horizontal walls 13A and 13B and a vertical wall 13C extending in the longitudinal direction. In both members 12 and 13 of the illustrated example, the horizontal walls 12A, 12B, 13A and 13B and the vertical walls 12C and 13C are given the same names as in the first embodiment for the sake of convenience. The horizontal and vertical orientation may differ depending on the posture at the time.

The connector 5 has a first connecting portion 51, a second connecting portion 52, a third connecting portion 53, and an overlay portion 54, as in the first embodiment. In addition, the couplers 5 of the second and third embodiments are not two integrated as in the first embodiment, but the first and second couplers 51 and 52 and the It forms a T-shaped cross section together with the vertical third connecting portion 53 .

In the second embodiment shown in FIG. 5 , the lower end of the other member 13 is connected to the top surface of the upper horizontal wall 12A of the one member 12 via the connector 5 . At this time, the connecting tool 5 fixes the first and second connecting portions 51 and 52 to the upper surface of the one member 12, and fixes the third connecting portion 53 to the vertical wall 3C of the other member 13. At this time, The end surface of the connected portion (lower end portion) of the other member 13 is brought into contact with the stepped surface of the build-up portion 54 (see reference numeral 54B in FIG. 2). As a result, the member connecting structure connects the two members 12 and 13 via the connector 5 with the center lines of the one member 12 and the other member 13 aligned.

In the member connection structure described above, the load applied to the one member 12 from the other member 13 side passes through the third connection portion 53 and the build-up portion 54, and passes through the first and second connection portions 51, as in the previous embodiment. , 52 (see B in FIG. 2). Thereby, the member connection structure can suppress an increase in local load and obtain stable connection strength. In addition, the member connecting structure allows the build-up portion 54 and the end surface of the vertical wall 13C of the other member 13 to be brought into contact with each other without a gap, thereby obtaining a good external appearance.

In the third embodiment shown in FIG. 6, the end of the other member 13 is connected to the side surface of the vertical wall 12C of the one member 12 via the connector 5. In the third embodiment shown in FIG. At this time, the connecting tool 5 fixes the first and second connecting portions 51 and 52 to the vertical wall 12C of the one member 12 and fixes the third connecting portion 53 to the vertical wall 13C of the other member 13 . At this time, the other member 13 causes the ends of the upper and lower horizontal walls 13A, 12B to abut on the side surfaces of the horizontal walls 12A, 12B of the one member 12, and the end surfaces of the connected portions (ends) to be built up. (located on the back side of the vertical wall 13C). As a result, the member connecting structure connects the two members 12 and 13 via the connector 5 with the centerlines of the one member 12 and the other member 13 aligned.

In the above member connection structure, as in the previous embodiment, the load applied to the one member 12 from the other member 13 side passes through the third connection portion 53 and the build-up portion, and passes through the first and second connection portions 51, 51, It is evenly distributed to each of the 52 fasteners (see B in FIG. 2). Thereby, the member connection structure can suppress an increase in local load and obtain stable connection strength. In addition, the member connecting structure allows the build-up portion 54 and the end surface of the vertical wall 13C of the other member 13 to be brought into contact with each other without a gap, thereby obtaining a good external appearance.

It should be noted that the detailed configuration of the member connecting structure according to the present invention is not limited to the above-described embodiments, and can be changed as appropriate without departing from the scope of the present invention. It is possible to apply it to various combinations with the other member arranged perpendicularly to it.

2 strut (one member)
3 Beam (other member)
3C vertical wall (connected part)
12 One member 13 Other member 13C Connected part 5 Connector 51 First connecting part 52 Second connecting part 53 Third connecting part 54 Overlay part

Claims (1)

Equipped with one member, the other member arranged perpendicular to the one member, and a connector that connects the one member and the other member,
The connecting tool includes a first connecting portion fixed to the one member, a second connecting portion flush with the first connecting portion and fixed to the one member, and the first connecting portion and the second connecting portion. a third connecting portion projecting vertically from between and fixed to the other member; and a build-up portion provided at the intersection of the first and second connecting portions and the third connecting portion;
the third connecting portion is deviated to one side of the first connecting portion and the second connecting portion;
The padding portion is provided on the side opposite to the deviation side of the third connecting portion,
The member connection structure, wherein the other member has a connected portion fixed to the third connecting portion, and an end portion of the connected portion abuts the build-up portion.

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