JP2913169B1 - Flexible connection tool for beam material - Google Patents

Abstract

Abstract: PROBLEM TO BE SOLVED: To increase the flexibility of connection at a portion where bending of a beam material is three-dimensionally compounded, and to be applicable even when a connecting portion of two beam materials is reinforced and supported by a support. To provide a universal connector. SOLUTION: Fitting members 5a and 5b are attached to respective ends of beam members 2a and 2b, and a universal joint 6 is interposed between the fitting members 5a and 5b. The universal joint 6 includes a pair of first joints connected to the fitting members 5a and 5b via the first support shafts 14a and 14b.
Joint members 11a and 11b and first joint members 11a and 11
b and a pair of second joint members 16a and 16b connected to the second joint shafts 15a and 15b via the second support shafts 15a and 15b, respectively.
16b are supported by a support frame 22 rotatably via a horizontal support shaft 21.
Is fixedly mounted on a column 20 located between the beam members 2a and 2b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a universal connecting member for a fence beam member and a handrail beam member fixed to a wall surface, and more particularly to a universal connecting member suitable for connecting a cylindrical beam member.

[0002]

2. Description of the Related Art FIG. 5 shows an example of a conventional flexible connecting member for a cylindrical beam member.
Here, FIG. 5A is a plan view of the universal connector, and FIG.
FIG. 5B is a longitudinal sectional view of the universal connector, and FIG. 5C is a perspective view of the universal connector applied to a fence.

In this conventional example, as shown in FIGS. 5 (A), 5 (B), and 5 (C), fitting members 105a, 105b are fitted to respective ends of left and right cylindrical beam members 2a, 2b by being fitted inside. By interposing the universal joint 106 between these fitting members 105a and 105b, one cylindrical beam member 2a is rotatable around the axis (Hb) of the other cylindrical beam member 2b.
And, the other cylindrical beam member 2b is replaced with one cylindrical beam member 2
It is configured so as to be rotatable around the axis Ha of a.

[0004] The universal joint 106 is connected to the fitting member 10.
A pair of joint members 111a and 111b are rotatably connected to 5a and 105b via shaft screws 114a and 114b coaxial with the shaft centers Ha and Hb, respectively.
The pair of joint members 111a and 111b are rotatably connected to each other by a single support pin 115 intersecting with the shaft centers Ha and Hb. Reference numeral 115b in FIG. 5B indicates a retaining screw screwed into the other end of the support pin 115.

[0005] According to the above-mentioned conventional universal connection tool, one cylindrical beam member 2 is provided by interposing the universal joint 106.
a is rotatable around the axis (Hb) of the other cylindrical beam member 2b, and the other cylindrical beam member 2b is rotatably connected around the axis Ha of one cylindrical beam member 2a. As a result, the horizontal direction and the height direction of the cylindrical beam members 2a and 2b change three-dimensionally, as well as the mutual connection at the positions where the cylindrical beam members 2a and 2b bend in the same plane. , A part where the bending is compounded [Fig.
Reference] is also possible. However, there is room for improvement in the following points.

[0006]

In the prior art described above, the universal joint 106 connects the pair of joint members 111a and 111b with a single support pin 115 intersecting the shaft centers Ha and Hb.
, The cylindrical beam members 2a and 2b
The horizontal direction and the height direction change three-dimensionally, and there is little flexibility in connection at a portion where the bending is compounded, and particularly, the connecting portion of the two cylindrical beam members 2a and 2b is supported by a support. There is no room for application when reinforcing and supporting.

SUMMARY OF THE INVENTION The present invention has been made in view of the above point, and has improved flexibility of connection at a portion where the bending of the cylindrical beam material is three-dimensionally compounded. It is an object of the present invention to provide a universal connecting member of a beam material that can be applied even when the connecting portion is reinforced and supported by a column.

[0008]

Means for Solving the Problems To achieve the above object, the invention described in claim 1 is configured as follows. For example, as shown in FIGS.
b, the fitting members 5a and 5b are attached to the respective ends, and the universal joint 6 is interposed between the fitting members 5a and 5b, so that one beam member 2a is connected to the axial center of the other beam member 2b. The other beam member 2b is configured to be rotatable around the axis Ha of the one beam member 2a so as to be rotatable around Hb.

The universal joint 6 includes the fitting members 5a and 5a.
b, a pair of first joint members 11a and 11b rotatably connected to the beam members 2a and 2b via first support shafts 14a and 14b coaxial with the axes Ha and Hb of the beam members 2a and 2b, and the first joint A pair of second joint members 16a and 16b rotatably connected to the members 11a and 11b via second support shafts 15a and 15b intersecting the shaft centers Ha and Hb, respectively;
A support frame 22 rotatably supports the joint members 16a and 16b via a horizontal support shaft 21. The support frame 22 is fixed to a column 20 located between the beam members 2a and 2b. It is characterized by having comprised.

According to a second aspect of the present invention, there is provided the universal connecting member for a beam member according to the first aspect, wherein
It is characterized in that a.2b is made of a cylindrical beam material.

According to a third aspect of the present invention, in the universal connecting member for a beam member according to the first or second aspect,
It is characterized in that the beam members 2a and 2b are composed of fence beam members.

According to a fourth aspect of the present invention, in the universal connecting member for a beam member according to the second aspect, the beam member
It is characterized in that a.2b is constituted by a handrail pipe fixed to a wall surface.

[0013]

(A) According to the present invention, a pair of first joint members 11a and 11b and a pair of second joint members 16a and 16b constituting the universal joint 6 intersect with the shaft centers Ha and Hb. Are rotatably connected via two second support shafts 15a and 15b, and the second joint members 16a and 16b
Since the two are rotatably supported by the support frame 22 via the horizontal support shaft 21, the horizontal direction and the height direction of the beam members 2a and 2b change three-dimensionally, and the bending is compounded. In the connection at the various parts, the flexibility is much higher than in the conventional example in which the pair of joint members 111a and 111b are connected to each other by the single support pin 115, and the connection becomes easy.

(B) The present invention is applied as a beam material for fences or as a freely connecting tool for a handrail pipe fixed to a wall surface.
・ Because it is fixed to the column 20 located between 2b, the two beam members 2a
-It becomes possible to reinforce and support the connecting point of 2b with the support | pillar 20, and it becomes advantageous also in this respect compared with a conventional example.

[0015]

Embodiments of the present invention will be described below in more detail with reference to the drawings. FIG. 1 is an exploded perspective view of a universal connector according to an embodiment of the present invention, and FIG. 2 is an enlarged sectional view of a main part of the universal connector. As shown in FIG. 1 and FIG. 2, this free connecting tool includes a pair of fitting members 5a and 5b attached to each end of the cylindrical beam members 2a and 2b, and a pair of fitting members 5a and 5b. And a universal joint 6 interposed therebetween. With the universal joint 6 interposed, one cylindrical beam member 2a is rotatable around the axis Hb of the other cylindrical beam member 2b. And the other cylindrical beam member 2
b is rotatable around the axis Ha of one of the cylindrical beam members 2a.

As shown in FIG. 1, the fitting members 5a and 5b are formed by bending both upper and lower ends of a web 7 in the same direction to form opposed flanges 8, and forming one end of the web 7 on the flange 8 side. Is formed on the lid 9 by being bent to the same side as the above, and the lid 9 is fitted inside the ends of the cylindrical beam members 2a and 2b such that the end openings of the cylindrical beam members 2a and 2b are closed. A fixing screw (not shown) is screwed into a screw hole 10 formed in the web 7 to fix the fitting members 5a and 5b to the respective ends of the cylindrical beam members 2a and 2b.

The universal joint 6 includes the fitting members 5a and 5a.
b, a pair of first joint members 11a and 11b rotatably connected to first cylindrical shaft members 2a and 2b via first support shafts 14a and 14b coaxial with axes Ha and Hb of the cylindrical beam members 2a and 2b; 1
The joint members 11a and 11b are respectively provided with the shaft centers Ha and Hb.
And a pair of second joint members 16a and 16b rotatably connected via second support shafts 15a and 15b intersecting with each other, and the second joint members 16a and 16b are rotated via a horizontal support shaft 21. And a support frame 22 that freely supports the support frame 22. The support frame 22 is fixedly mounted on a column 20 located between the left and right cylindrical beam members 2a and 2b.

The first joint members 11a and 11b and the second joint members 16a and 16b are each formed by bending in a U-shape, and their extending portions 12 and 14 are opposed to each other in a state of overlapping each other. A spacer pipe 13 is arranged between the upper and lower extending portions 12 and 14 extending at a predetermined interval,
They are connected by the second support shafts 15a and 15b. Thereby, the first joint members 11a and 11b and the second joint member 1
6a and 16b are rotatably supported around the axis of the second support shafts 15a and 15b. The first joint member 11a
11b and the second joint members 16a and 16b have the same shape as shown in FIGS. This is intended to unify the component shapes to facilitate component management.

The first support shafts 14a and 14b and the second support shafts 15a and 15b are respectively composed of support screws. As shown in FIG. 2, the first support screws 14a and 14b are fitted members. 5a and 5b and the first joint members 11a and 11b are prevented from coming off by the retaining nut 17, and the second support screws 15a and 15b are respectively inserted into screw holes 18 and 19 formed in the extending portions 12 and 14. It is screwed in and fixed.

That is, the retaining nut 17 is bitten into the boundary between the shaft portion of the first support screw 14a and the screw portion of the first support screw 14a to prevent the nut from coming off, and the second support screw 15a.
・ Extending portion 12 ・ 1 at the boundary between the shaft portion and screw portion of 15b
The screw holes 18 and 19 formed in the hole 4 are cut into each other so as to bite each other. In addition, the first spindle screw 14
The heads of the a.14b and the second spindle screws 15a and 15b are provided with a tool engaging portion having a projection projecting from the center of the hexagonal hole, so that disassembly and assembly can be performed only by special tools. Have been.

The support frame 22 is provided with a pivotal support portion 23 for rotatably supporting the second joint members 16a and 16b about the axis thereof via a horizontal support shaft 21. An insertion hole 24 is formed, and the support frame 22 is fixed to a support column 20 located between the cylindrical beam members 2a and 2b with a fixing bolt 25. As shown in FIG. 2, the horizontal support shaft 21 penetrating through the second joint members 16a and 16b and the pivot support portion 23 has a dish-shaped portion 21 at its base end.
a, and a retaining screw 21b is screwed in from the tip of the retaining screw 21a to prevent the screw from coming off.

According to the universal connecting device having the above-described structure,
A pair of first joint members 11a and 11 constituting the universal joint 6
b and a pair of second joint members 16a and 16b are rotatably connected via two second support shafts 15a and 15b intersecting the shaft centers Ha and Hb.
6a and 16b are horizontally supported by the support frame 22.
1, the horizontal direction and the height direction of the cylindrical beam members 2a and 2b change three-dimensionally, and in connection at a portion where the bending is compounded, It is much more versatile and easier to connect than conventional examples.

The above-mentioned universal connector can be widely used as a beam member for fence as shown in FIG. 5C or a universal connector for a handrail pipe (not shown) fixed to a wall surface. By fixing the connecting portion of the cylindrical beam members 2a and 2b to the column 20 via the support frame 22, it is possible to reinforce and support the column.

FIG. 3 shows another embodiment of the first joint member 11 and the second joint member 16. This is because the first joint member 11 and the second joint member 16 are formed by bending each into an L-shape, and their extending portions 12 and 14 are symmetrically opposed to each other, and are vertically arranged at predetermined intervals. Continuation part 12 ・
14 are connected by fulcrum pins 15. In this case, the extended portion 12 of the first joint member 11 is located on the upper end surface of the vertical plate member of the second joint member 16 and the extended portion 1 of the second joint member 16
Numeral 4 is adapted to abut against the lower end surface of the first joint member 11 in the vertical plate member, and the two joint members 11.
6, a rectangular shape is formed.

FIG. 4 shows another embodiment of the fitting member 5.
The fitting member 5 is formed by bending the upper and lower ends of the web 7 to form a flange 8 and bending one end of the web 7 to the same side as the flange 8 to form a lid 9. At 9, the cylindrical beam members 2 a and 2 b are fitted inside the ends of the cylindrical beam members 2 a and 2 b while closing the openings. Then, a fixing screw (not shown) is screwed into a screw hole formed in the web 7, and the fitting member 5 is connected to the cylindrical beam members 2a and 2b.
To each end.

It should be noted that the present invention is not limited to the above-described embodiment, and the individual members (the first support shafts 14a and 14b, the first joint members 11a and 11b, and the second support shafts 15a and The specific shapes of the second joint members 15b, the second joint members 16a and 16b, the horizontal support shaft 21, and the support frame 22) can also be implemented with appropriate changes. Further, in the above-described embodiment, the case where the present invention is used for connecting a cylindrical beam member has been described. However, this universal connecting member is not limited to the cylindrical shape, and may be applied to a channel beam member or an angle beam member. You may.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a universal connector according to an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view of a main part of the universal connector according to the embodiment of the present invention.

FIG. 3 is a partially exploded perspective view of a universal connector according to another embodiment of the present invention.

FIG. 4 is a perspective view showing a main part of a universal connector according to another embodiment of the present invention.

5 (A) is a plan view of the universal connector, FIG. 5 (B) is a longitudinal sectional view of the universal connector, and FIG. 5 (C) is the universal connector. It is the perspective view which applied the tool to the fence.

[Explanation of symbols]

2a, 2b: cylindrical beam material, 5a, 5b: fitting member, 6
... Universal joint, Ha / Hb ... Axial axis of cylindrical beam material, 14a
... 14b 1st support shaft (first support screw), 11a and 11b
.. 1st joint member, 15a / 15b ... second support shaft (second support screw), 16a / 16b ... second joint member, 21 ... horizontal support shaft, 22 ... support frame, 20 ... post.

Claims (4)

(57) [Claims] 1. A fitting member (5a, 5b) is attached to each end of a beam member (2a, 2b), and these fitting members (5a, 5b) are attached.
The universal joint (6) is constructed by interposing a universal joint (6) between 5b). The universal joint (6) is provided on each of the tubular members (2a) on the fitting members (5a and 5b).・
2b) The first support shaft (1) coaxial with the axis (Ha · Hb)
4a and 14b), and a pair of first joint members (11a and 11b) rotatably connected via the first joint members (11a and 11b) intersect the axis (Ha and Hb), respectively. Second support shaft (15a / 15
b) A pair of second joint members (16a, 16b) rotatably connected via b) and the second joint members (16a, 16b) rotatably via a horizontal support shaft (21). Support frame (2
2), and the support frame (22) is connected to the beam material (2a · 2).
b) A universal connecting member for a beam material, which is fixed to a column (20) located between the beams. 2. The universal beam member connecting device according to claim 1, wherein the beam members (2a, 2b) are cylindrical beam members. 3. The fence beam material according to claim 1, wherein the cylindrical beam material is composed of a fence beam material.
4. A universal connecting member for a beam member according to claim 1. 4. The beam material free connecting device according to claim 2, wherein said beam material (2a, 2b) is constituted by a handrail pipe fixed to a wall surface.