JPH1161986A - Joint structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide joint structure, in which an error angle in an assembly angle is absorbed and a structural member can be connected surely to joint structure even when an error in the assembly angle is generated not only in a vertical surface but also in a horizontal surface and other surfaces inclined in any inclined directions at the set angle of the structural member to joint structure. SOLUTION: Joint structure has a first joint member 1, in which an outside is formed in an approximately columnar shape, a recessed spherical surface 1a is formed on the inside and a plurality of U-shaped grooves communicated with the outside and the inside are shaped at intervals in the circumferential direction. Joint structure has a plurality of second joint members 3, which are arranged among a plurality of structural members 54 collected and extended from a plurality of directions towards the central section of the recessed spherical surface 1a of the first joint member 1 and the first joint member 1 and in which slipping-off stop sections 5 rotatably brought into contact with the recessed spherical surface 1a are formed at one end sections penetrated into the recessed spherical surface 1a through the U-shaped grooves through projecting spherical surfaces 5b and main body sections 8 on the other end sides are coupled at the end sections of the structural members 54.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure in which the ends of a plurality of rod-shaped structural members or the like extending from a plurality of directions are gathered and connected at one place.

[0002]

2. Description of the Related Art A conventional joint structure is used, for example, in a building having a structure as shown in FIG. That is, the building shown in FIG.
Are supported by a plurality of column members 51, and a roof structure 53 is placed and supported on the beam members 50.

[0003] In order to reinforce the strength of the frame, such a building is provided with a steel for bracing on a diagonal line connecting four corners of one quadrilateral formed by the beam members 50 as shown in FIG. A rod-shaped structural member 54 is provided.

Such a structural member 54 is composed of four structural members 54 each having one end connected to each of the four corners. The other ends of the structural members 54 are gathered at the center of each of the four corners.
The joints 56 are connected at two places. The joint structure 56 is connected to a lower end of a suspension member 61 having an upper end connected to a frame member 59 extending along the top of the roof structure 53, and is supported by being suspended. I have.

The joint structure 56 has a structure as shown in FIGS. That is, the structural member 54
Of the fork member 63
Are fixed by welding. Further, the lower end of the suspension member 61 is connected by welding to the center of the upper end of a center connecting plate 65 formed by welding so that the plate extends in four directions so as to have an X-shaped cross section. Then, the fork member 63 and the center connecting plate portion 65 are connected by a pin 66, and the four structural members 54 are gathered and connected at one place by a joint structure 56.

In the above-described conventional joint structure 56, the structural member 54 is pin-connected to the center connecting plate 65 via a fork member 63. However, as shown in FIG. It is also possible to use a method in which a pin is connected to the center connecting plate 65 of the 56 via a simple plate-shaped connecting plate 67 instead of the fork member 63.

[0007]

However, in the above-mentioned conventional joint structure 56, the center connecting plate portion 65 is not provided.
The fork member 63 is provided with a pin 6 extending in the horizontal direction.
6, the fork member 63 can rotate only about the pin 66 in the vertical plane including the structural member 54 and the suspension member 61 in FIG. , A horizontal plane (the two left and right structural members 5 in FIG. 9)
4 (a plane perpendicular to the plane of the drawing including FIG. 4), and can rotate only within a gap between the forked portion of the fork member 63 and the center connecting plate portion 65. .

For this reason, the assembling angle error of the structural member 54 in the building and the center connecting plate 6
In the case where the mounting angle error between the center connecting plate portion 65 and the structural member 54 in the horizontal plane does not coincide with each other and has an angle relative to each other due to an angle error or the like in the manufacture of 5, the range of the gap is set. In this case, the error cannot be absorbed, so that there is a problem that the structural member 54 cannot be connected to the center connecting plate 65 of the joint structure 56 via the fork member 63 in some cases. Such a problem can occur not only in an assembly angle error in a horizontal plane but also in an assembly angle error in a plane inclined in all oblique directions.

Therefore, in view of the above problems, the present invention causes an assembling angle error not only in a vertical plane but also in a horizontal plane or any other inclined plane. However, it is an object of the present invention to provide a joint structure capable of absorbing the error angle and reliably connecting the structural member to the joint structure.

[0010]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to a plurality of external parts which are formed in a substantially columnar shape, have a concave spherical surface formed therein, and which communicate the external part with the internal part at intervals in the circumferential direction. A first joint member having a groove formed therein, a plurality of structural members which gather and extend from a plurality of directions toward the center of the concave spherical surface of the first joint member, and
A retaining portion disposed between the joint member and penetrating through the groove into the inside of the concave spherical surface; a stopper portion rotatably contacting the concave spherical surface via a convex spherical surface is provided; Are provided with a plurality of second joint members connected to the end of the structural member.

According to the joint structure having such a configuration, one end of the second joint member penetrates into the concave spherical surface formed inside the first joint member through the groove formed in the first joint member. One end of the second joint member is connected to the first joint member in a state where the convex spherical surface of the retaining portion provided in the portion is rotatably in contact with the concave spherical surface of the first joint member. An end of the structural member is connected to the other end of the joint member.

For this reason, by appropriately setting the width and length of the groove of the first joint member, one end of the second joint member has the convex spherical surface of the retaining portion as the concave spherical surface of the first joint member. By sliding, it is possible to rotate to some extent not only in a vertical plane but also in a horizontal plane or any other inclined plane.

[0013] Therefore, due to the assembly error of the building, etc., the first
Assembling such that the angles of the normal direction with respect to the joint member and the direction of the structural member do not coincide with each other, and have an angle relative to each other not only in a vertical plane but also in a horizontal plane or any other inclined plane. Even if an angle error occurs, the structural member can rotate together with the second joint member so as to absorb the error angle, and the structural member can be reliably connected to the first joint member via the second joint member. .

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below with reference to the drawings. 1 to 6
FIG. 1 is a diagram referred to for describing a first embodiment of a joint structure according to the present invention.

The joint structure shown in FIG. 1 according to the first embodiment of the present invention is used in place of the conventional joint structure 56 in the building shown in FIG. FIG. 2 is a perspective view showing a joint structure 16, and FIG.
FIG. 2 is a sectional view taken along line II-II of FIG. The joint structure 16 shown in both figures has a first joint member 1 and a second joint member 3.

In FIGS. 1 and 2, for example, a roof structure 53 of a building shown in FIG.
The lower end of a vertically extending steel pipe member (supporting member) 52 whose upper end is connected to the frame member 59 is connected by welding.

The first joint member 1 extends in a direction substantially perpendicular to the steel pipe member 52 extending in the vertical direction (ie, in a substantially horizontal direction), and as shown in FIG. Further, four steel rod-shaped structural members 54 are connected via the second joint member 3.

As shown in FIG. 4, the second joint member 3
A stopper portion 5 is formed at the distal end of the second joint member 3, and a female screw 6 which is screw-coupled to a male screw formed at the distal end of the structural member 54 is formed at the main body portion 8 on the rear end side of the second joint member 3. Are formed. A tapered tapered surface 5a is formed on the tip end side of the retaining portion 5, and the first joint member 1 is formed on the back side of the tapered surface 5a, as shown in FIGS.
Is formed with a convex spherical surface 5b having the same radius of curvature as the concave spherical surface 1a formed therein.

On the lower side of the retaining portion 5 in FIG.
An inclined surface 5c cut at a predetermined angle with respect to the axis of the second joint member 3 is formed. This is because, in the present embodiment, as shown in FIG.
Since the relative angle between them is larger or smaller by about 15 ° than 90 ° at each position, the retaining portions 5 do not interfere with each other at a position where the relative angle between adjacent structural members 54 is smaller than 90 °. That's why. As shown in FIG. 4, such a retaining portion 5 is formed so as to be connected via a shaft portion 7 to a main body portion 8 of the second joint member 3 on which a female screw 6 is formed.

As shown in FIG. 2, the first joint member 1
A cover 10 is attached to the bottom of the cover by screw connection. The cover 10 is unscrewed and removed from the bottom of the first joint member 1, and the retaining portions 5 of the second joint members 3 are sequentially taken out from the internal space of the first joint member 1 having the concave spherical surface 1a. Then, the first joint member 1 is as shown in FIGS.

FIG. 5 is a longitudinal sectional view of the first joint member 1, and FIG. 6 is a view showing the VI of the first joint member 1 in FIG.
It is an arrow view. Four U-shaped grooves 1b communicating between the outside and the inside of the first joint member 1 are formed in a thick portion between the outer peripheral surface of the first joint member 1 and the concave spherical surface 1a inside, and the second By fitting the shaft portion 7 of the joint member 3 into the U-shaped groove 1b from below, the retaining portion 5 of the second joint member 3 can be housed in the concave spherical surface 1a of the first joint member 1. .

A male screw 1c is formed around the lower end of the first joint member 1 in FIG. 5, and the male screw 1c is formed on the inner side of the circumferential cylindrical portion of the cover 10. The bottom part of the first joint member 1 is closed by the cover 10 by screwing and tightening the screw part.

The first joint member 1 and the second joint member
According to the joint structure 16 using the joint member 3, the direction of the structural member 54 and the normal direction with respect to the first joint member 1 are caused by the assembly angle error of the building, as shown by the solid line and the two-dot chain line in FIG. Of the concave spherical surface 1a of the first joint member 1 and the second joint member 3, The convex spherical surface 5b of the portion 5 slides between the spherical surfaces to form the structural member 54.
By rotating in the vertical plane, the angular error can be easily absorbed.

As shown by a solid line and a two-dot chain line in FIG.
If the angle of the direction of the structural member 54 and the angle of the axis A in the normal direction with respect to the first joint member 1 do not coincide with each other, and a large assembly angle error as indicated by the angle θ occurs in the horizontal plane, the first joint Concave spherical surface 1a of member 1
And the convex spherical surface 5b of the retaining portion 5 of the second joint member 3 slides with each other, and the structural member 54 rotates in a horizontal plane via the second joint member 3 so that the angular error can be easily reduced. Can be absorbed.

For this reason, by appropriately setting the width and length of the U-shaped groove 1b of the first joint member 1, the convex spherical surface 5b of the retaining portion 5 of the second joint member 3 can be connected to the first joint member 1. Can be rotated not only in a vertical plane, but also in a horizontal plane or any other inclined plane.

For this reason, due to the assembly error of the building, etc., the first
The angles of the normal direction with respect to the joint member 1 and the direction of the structural member 54 do not coincide with each other, so that they have relative angles to each other not only in the vertical plane but also in the horizontal plane and any other inclined plane. Even if a large assembly angle error occurs, the structural member 54 can rotate together with the second joint member so as to absorb the error angle, and the structural member 5
4 can be reliably connected to the first joint member 1 via the second joint member 3.

In the above-described embodiment, for example, the case where the joint structure 16 of the present invention is provided instead of the above-described conventional joint structure 56 of the building of FIG. 8 is described. However, the present invention is not limited to such a case where a plurality of structural members are connected in one place, such as a case where a structural member 54 having a stringed beam structure and a structural member 58 as shown in FIGS. In this case, the present invention can be applied.

In the above-described embodiment, the case where the relative angles between the adjacent structural members 54 in the horizontal plane are not equal to 90 ° has been described. However, the relative angles may be equal to 90 °. Needless to say.

In the above embodiment, the case where the number of the structural members 54 is four has been described. However, the number of the structural members 54 may be two, three, or five or more. Further, in the above-described embodiment, the case where a steel rod-shaped member is used as the structural member 54 has been described. However, the structural member 54 may be formed of a material other than steel, A member such as a pipe can also be used.

Further, in the above embodiment, the case where the joint structure 16 of the present invention is applied to the connection of the structural member 54 as a brace provided on the beam structure supporting the ceiling has been described. Can be used not only on the ceiling but also on other parts of the building structure, such as walls. When the joint structure of the present invention is used for a wall or the like, the first joint member does not need to be connected to the steel pipe member 52 or the like used in the above embodiment, so that the first joint member is lighter and smaller than the above embodiment. A first joint member can be used.

Although the embodiments of the present invention have been specifically described above, the present invention is not limited to the above-described embodiments, and may be variously modified based on the technical idea of the present invention. Can be changed.

[0032]

As described above, according to the present invention,
By appropriately setting the width and length of the groove of the first joint member, one end of the second joint member slides the convex spherical surface of the retaining portion thereof with the concave spherical surface of the first joint member, thereby allowing the second joint member to move vertically. It is possible to rotate to some extent not only in the plane, but also in a horizontal plane or any other inclined plane.

For this reason, due to the assembly error of the building, etc., the first
Assembling such that the angles of the normal direction with respect to the joint member and the direction of the structural member do not coincide with each other, and have an angle relative to each other not only in a vertical plane but also in a horizontal plane or any other inclined plane. Even if an angle error occurs, the structural member can rotate together with the second joint member so as to absorb the error angle, and the structural member can be reliably connected to the first joint member via the second joint member. .

[Brief description of the drawings]

FIG. 1 is a perspective view showing a joint structure 16 according to a first embodiment of the present invention.

FIG. 2 is a sectional view of the joint structure 16 shown in FIG.
It is a line sectional view.

FIG. 3 is a sectional view of the joint structure 16 shown in FIG.
It is II sectional drawing.

FIG. 4 is a view showing a second joint member 3, and FIG.
4A is a side view thereof, and FIG. 4B is a view of the second joint member 3 in FIG.

FIG. 5 is a longitudinal sectional view of the first joint member 1.

6 is a view of the first joint member 1 in FIG.

FIG. 7 is a perspective view showing an example of a structure of a building in which a joint structure is used.

8 is a perspective view showing the structure of the building in FIG. 7 in more detail.

FIG. 9 shows a conventional joint structure I of FIG.
It is an X-IX line sectional side view.

FIG. 10 is a cross-sectional top view of the joint structure 56 of FIG. 9 taken along the line XX.

FIG. 11 is a partial top view of another conventional joint structure.

FIG. 12 is a side view showing a beam string structure of a building using a joint structure.

FIG. 13 is a bottom view of the beam string structure shown in FIG.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 first joint member 1a concave spherical surface 1b U-shaped groove 1c male screw portion 3 second joint member 5 retaining portion 5a tapered surface 5b convex spherical surface 5c inclined surface 6 female screw 7 shaft portion 8 body portion 10 cover 16 joint structure 50 Beam member 51 Column member 52 Steel pipe member 53 Roof structure 54, 58 Structural member 59 Frame member 56 Joint structure 61 Suspension member 63 Fork member 65 Center connection plate 67 Connection plate 66 Pin

Claims (2)

[Claims] A first joint member having an outer portion formed in a substantially cylindrical shape, a concave spherical surface formed therein, and a plurality of grooves formed in a circumferential direction and communicating the outside and the inside; One end portion disposed between the first joint member and the plurality of structural members that gather and extend from a plurality of directions toward the center of the concave spherical surface of the joint member, and penetrates into the concave spherical surface through the groove. There is provided a retaining portion rotatably contacting the concave spherical surface via a convex spherical surface,
And a plurality of second joint members having other ends connected to the ends of the structural member. 2. The method according to claim 1, wherein the first joint member is connected to one end of a support member arranged to extend substantially perpendicular to each of the plurality of structural members, and the other end of the support member is connected to the building structure. The joint structure according to claim 1, wherein the joint structure is connected to a fixing portion.