JP2505385Y2 - Joint material for structural materials - Google Patents

Description

[Detailed Description of the Invention] [Industrial application] The present invention relates to a joint member for building structural materials, and more specifically, a joint for connecting three mutually orthogonal pipes by using a fixture such as a bolt. The present invention relates to the joint member that constitutes the.

[Prior Art] Conventionally, in this type of structural member joint member, as shown in FIG. 4, a joint member composed of a first joint member 21 and a second joint member 22 has been proposed. Both of the joint members 21 and 22 are formed by welding a pair of second mounting portions 24 to the side surface of the first mounting portion 23 which has a semicircular arc shape and extends in the vertical direction. Like the first mounting portion 23, the second mounting portion 24 has a planar semi-circular arc shape and extends in a direction orthogonal to the first mounting portion 23.
Both the second mounting portions 24 are orthogonal to each other.

The first mounting portion 23 and the second mounting portion 24 are the first joint member 21.
In, the openings 23a and 24a face outward.
Further, in the second joint member 22, the openings 23a, 24a are oriented inward.

[Problems to be Solved by the Invention] However, in the conventional joint described above, in order to connect the pipes Y and Z orthogonal to the vertically extending pipe X, first, the pipes are connected.
Simultaneously lift up to the position where you want to connect Y and Z.
Next, the pipes Y, Z are left as they are, and the first joint member 21 and the second joint member 22 are positioned so as to face each other with the pipes X, Y, Z interposed therebetween. And the first joint member
21, the second joint member 22 is fixed by screwing a bolt (not shown) inserted through the through hole 25 into the nut, and the pipes X, Y, Z are connected to the first joint member 21 and the second joint member 22. To be sandwiched between.

Both pipes Y and Z are used to screw this bolt into the nut.
It is necessary to carry out the work while holding it at the position to be connected. For example, after fixing the pipe Y, it is impossible to divide the work such as lifting and fixing the pipe Z to the position to be connected. For this reason, the whole connecting work was troublesome.

Therefore, an object of the present invention is to provide a joint member for a structural material that simplifies the work when connecting three pipes orthogonal to each other.

[Means for Solving the Problems] In order to solve the above-mentioned object, in the present invention, first to third attachments which are engaged with the outer peripheral surface of the first pipe among the first to third pipes orthogonal to each other are provided. Parts, fourth and fifth mounting portions that are engaged with the outer peripheral surface of the second pipe, and sixth and seventh mounting portions that are engaged with the outer peripheral surface of the third pipe. The fourth attachment portion and the sixth attachment portion are connected so as to be orthogonal to each other to form a first joint member, and the second attachment portion is connected to the fifth attachment portion to form a second joint member. A third joint member is configured by connecting the seventh mounting portion to the third mounting portion, and further, the first and second mounting portions are notched by cutting out a part in the length direction of the first pipe. The point is to form.

[Operation] In the present invention, of the first to third pipes that are orthogonal to each other, the first fitting portion and the second coupling member of the first joint member are first arranged so that the second pipe is orthogonal to the first pipe. While sandwiching the first pipe between the second mounting part of
By sandwiching the second pipe between the fourth and fifth mounting parts,
2 Connect the pipes. After that, the third pipe is arranged so as to be orthogonal to the first and second pipes and to be engaged with the sixth mounting portion, the third mounting portion is engaged with the second mounting portion, and the seventh mounting portion is mounted. The third pipe is sandwiched between the portion and the sixth mounting portion.

In this mounted state, the mounting portions facing the notches formed in the second and third mounting portions are engaged, and the outer periphery of the first pipe is reliably held.

[Embodiment] A joint for structural material using an embodiment embodying the present invention will be described below with reference to Figs.

As shown in FIG. 1, this joint for structural material has first to third attachments which are engaged with the outer peripheral surface of the first pipe X among the first to third pipes X, Y, Z which are orthogonal to each other. Part 41, 42, 43 and the second
Fourth and fifth mounting portions 44, 45 engaged with the outer peripheral surface of the pipe Y
And the sixth and seventh mounting portions that are engaged with the outer peripheral surface of the third pipe Z
It has 46 and 47. A first joint member 1 is formed by connecting the fourth mounting portion 44 and the sixth mounting portion 46 to the first mounting portion 41 so as to intersect at right angles, and the fifth mounting portion is connected to the second mounting portion 42. The second joint member 2 is formed by connecting 45, and the third joint member 3 is formed by connecting the seventh attaching portion 47 to the third attaching portion 43.

Therefore, the configurations of the second joint member 2, the third joint member 3, and the first joint member 1 will be described in detail in order.

As shown in FIGS. 1 and 2, the second joint member 2 has a second mounting portion 4
It is composed of 2 and the fifth mounting portion 45. The fifth mounting portion 45 has a U-shaped cross section including a bottom wall 5a and a pair of upper and lower side walls 5b and 5c. The through hole 6 is formed near the second mounting portion 42 of the bottom wall 5a.
Are formed. Similarly to the fifth mounting portion 45, the second mounting portion 42 also has a U-shaped cross section including a bottom wall 4a and a pair of left and right side walls 4b, 4c. Of these, the lower left half of the bottom wall 4a and the lower half of the left side wall 4b are cut out to form a cutout portion 71. The left end of the fifth mounting portion 45 is welded and fixed to the outside of the right side wall 4c of the second mounting portion 42. Also, both mounting parts 42, 45
A plurality of protrusions 8 are formed on the inner surface of each bottom wall 4a, 5a.

The third joint member 3 is configured by connecting the third mounting portion 43 and the seventh mounting portion 47. A nut portion 9 is welded to an inner surface of a portion of the second joint member 2 corresponding to the through hole 6. The nut portion 9 has a rectangular parallelepiped outer shape, and the right end surface thereof serves as a stopper 9a. The third joint member 3 is the third joint member in FIG.
A notch 72 is formed by cutting out the upper left half of the bottom 4a and the upper half of the left side wall 4b of the mounting portion 43. The second joint member 2
Is positioned upside down, the third joint member 3 is formed. The only difference between the members 2 and 3 is that the nut portion 9 is welded.

As shown in FIG. 1, the first joint member 1 has a first mounting portion.
The fourth mounting portion 44 and the sixth mounting portion 46 are welded to the 41 so as to be orthogonal to each other. Further, the nut portion 9 is attached to the inner surface of the fourth attachment portion 44.

 Next, the operation during use will be described.

As shown in FIG. 1, first, the first joint member 1 and the second joint member 2 are made to face each other, and the first attachment portion 41 of the first joint member 1 is arranged.
And the second mounting portion 42 of the second joint member 2 between the first pipe X
Position vertically. In addition, the second between the fourth and fifth mounting portions 44, 45
Position pipe Y horizontally. Then, the bolt 11 is inserted through the through hole 6 of the fifth mounting portion 45 and screwed into the nut portion 9 of the fourth mounting portion 44. Thereby, the fourth mounting portion of the first joint member 1
The second pipe Y is sandwiched between 44 and the fourth joint member 45 of the second joint member 2. Further, the tip of the second pipe Y contacts a stopper 9a formed on the side surface of the nut portion 9.

Next, the first joint member 1 and the third joint member 3 are opposed to each other, and the third pipe Z is provided between the sixth attachment portion 46 of the first joint member 1 and the seventh attachment portion 47 of the third joint member 3. Position horizontally. As in the case of attaching the second pipe Y, the pipe Z is held by the bolts 12.

Further, a part of the bottom wall 4a of the second mounting portion 42 and the side wall 4b are engaged with the notch 72 of the third mounting portion 43, and a part of the bottom wall 4a of the third mounting portion 43 and the side wall 4b are It engages with the notch 71 of the second mounting portion 42.

The first to third mounting portions 41 to 43 are firstly mounted by bolts 11 and 12.
It is fastened and fixed to the outer peripheral surface of the pipe X.

When the pipes X, Y, Z are connected to each other, since the projections 8 are formed on the inner surfaces of the respective mounting portions 41-47, the sandwiched surfaces at the ends of the first to third pipes X, Y, Z. Not only the protrusion 8 surely abuts on the pipe, but also the necessary liquid adhesive is injected into the slight gap formed between the inner surfaces of the mounting portions 41 to 47 and the pipe clamped surface by utilizing the capillary phenomenon. You can also And again
In the case of a gel adhesive, the effect of the adhesive applied to the gap portion can be enhanced at the time of assembly and connection.

Further, when the pipes X, Y, Z have an outer surface subjected to anticorrosion treatment with a vinyl chloride coating or the like, the protrusion 8 bites into the coating portion of the pipe during pipe connection, which may cause further rattling. You can expect the effect that there is no

In this way, the pipe X, the pipe Y, and the pipe Z are connected so as to be orthogonal to each other.

In this embodiment, as described above, since the work can be divided, such as fixing the pipe Z after fixing the pipe Y, the work is simplified.

Further, the difference between the second joint member 2 and the third joint member 3 is only the presence or absence of the nut portion 9, and the nut portion 9 is welded. Therefore, the gold of the second joint member 2 and the third joint member 3 is The mold can be combined and the manufacturing cost can be reduced.

It should be noted that the present invention is not limited to the above-mentioned embodiment, and can be arbitrarily modified within a range not departing from the spirit thereof.

[Effect of the Invention] As described in detail above, the present invention has an excellent effect that the work becomes simple when connecting three pipes which are orthogonal to each other.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a joint of an embodiment embodying the present invention, FIG. 2 is a perspective view of a second joint member, FIG. 3 is a sectional view of the joint in use, and FIG. 3 is an exploded perspective view of the joint of FIG. 1st-3rd joint members 1-3, 1st-7th attachment parts 41-47,
Notches 71, 72, first to third pipes X, Y, Z.

Claims (1)

(57) [Scope of utility model registration request] 1. First to third pipes (X, Y,
First part of Z) engaged with the outer peripheral surface of the first pipe (X)
~ Third mounting portion (41, 42, 43), fourth and fifth mounting portions (44, 45) engaged with the outer peripheral surface of the second pipe (Y), and the outer periphery of the third pipe (Z) 6th and 7th mounting parts (46, 4) engaged with the surface
7), and the first attachment member (41) is connected to the fourth attachment portion (44) and the sixth attachment portion (46) at right angles to form a first joint member (1), The fifth mounting portion (45) is connected to the second mounting portion (42) to form a second joint member (2), and the third mounting portion (43) is connected to the seventh mounting portion (47).
To form a third joint member (3), and further, the first and second attachment portions (41, 42) are notched by cutting out a part in the length direction of the first pipe (X). (71, 72) is formed, The joint member for structural materials characterized by the above-mentioned.