JP2591517B2 - How to join sections - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for joining profiles, and more particularly, to a method for joining two profiles in a crossing manner using a caulking means.

[0002]

2. Description of the Related Art In recent years, there has been a tendency to reduce the weight of automobiles and other structures by using aluminum profiles, which are formed by crossing profiles in a T-shape, for example. It is often done to combine with.

Conventionally, in order to join the shaped members as described above, generally, fixing means such as welding or bonding, rivets,
It is performed using fixing members such as bolts and nuts. Further, a technique described in Japanese Utility Model Laid-Open No. 60-24911 is known as one that uses a connecting member for connecting pipes. The technique described in Japanese Utility Model Laid-Open Publication No. 60-24911 discloses a method in which a cylindrical portion of a coupling member having a concave groove along a circumferential direction is fitted into a pipe, and the pipe is roll-formed into the concave groove of the coupling member. This is a method of connecting the connecting member and the pipe by performing the above.

[0004]

However, the conventional joining method has a problem that not only many steps are required but also a reliable joining cannot be performed. That is, in connection by a fixing means such as welding or bonding, there are problems that it is difficult to improve the dimensional accuracy of the joined portion and that skill is required for applying a brazing material or an adhesive. In addition, in a joining method using a fixing member such as a rivet or a bolt / nut, a fixing member such as a rivet is required,
Since processing for attaching these fixing members is required, there are problems that the number of steps is increased, and that much time and labor are required. Further, in the connecting method described in Japanese Utility Model Laid-Open No. 24911/1985, there is a problem that it is difficult to connect the two members in a T-shape.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a method for joining shaped members that enables simple and reliable solid joining.

[0006]

In order to achieve the above-mentioned object, a first method of joining a profile according to the present invention comprises the steps of joining a first profile and a second profile having a hollow portion in an intersecting manner. Assuming the method of joining the shaped members to be joined, the second portion is joined to the joining portion of the first shaped member.
And inserting a caulking receiving member having a receiving reinforcing portion into the hollow portion corresponding to the caulking portion from the insertion portion side end of the second shape member, and inserting the caulking receiving material into the first shape. In a state where the second section is inserted into the insertion hole of the section, a load is applied to the first section, thereby deforming the first and second sections, and the deformed portion is formed by the caulking receiving member. And the shape members are joined together (claim 1).

According to a second method of joining shaped members of the present invention, a first shaped member and a second shaped member having a hollow portion are joined in an intersecting manner, similarly to the above-described method of joining the first shaped member. The connecting member fixed to the connecting portion of the first section is formed with a caulking hole, and the connecting member is inserted into a notch provided in the first section. And the second
By inserting a load into the hollow portion of the second shaped member and applying a load to the second shaped member, the second shaped member is deformed, and the deformed portion is engaged with the caulking hole to form the two shaped members. It is characterized by joining materials (claim 2).

[0008]

According to the present invention, the second section is joined to the first section by the second section.
An insertion hole for a shaped member is formed, and a caulking receiving member having a receiving reinforcing portion is inserted into the hollow portion corresponding to the caulking portion from the end of the second shaped member on the insertion portion side, and By applying a load to the first section in a state where the second section is inserted into the insertion hole, the first and second sections can be deformed,
The deformed portion can be engaged with the caulking receiving member to join the shaped members (claim 1).

A caulking hole is formed in the connecting member fixed to the connecting portion of the first section, and the connecting member is engaged with a notch provided in the first section and the second section is formed. The second section can be deformed by inserting it into the hollow portion of the section and applying a load to the second section, and this deformed portion is engaged with the hole for caulking to form the two sections. Can be combined (claim 2).

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a perspective view of a joint structure of a profile according to a joining method of a first embodiment of the present invention, and FIG. 2 is a plan view of a second profile in the first embodiment of the present invention. 3 and 4 are a side view and a plan view for explaining the connecting method of the first embodiment.

The joint structure of the first embodiment is formed of a first section 1 formed of an extruded aluminum section having a hollow rectangular cross section and an extruded section formed of aluminum having a hollow section. In the case where the second shaped member 2 to be formed is connected in a T-shape,
The first profile 1 and the second profile 2 are applied by applying a load P from a surface of the first profile 1 perpendicular to the insertion direction of the second profile 2.
In this case, the first profile 1 and the second profile 2 are combined by deforming the first profile.

The connecting method of the first embodiment will be described with reference to FIGS. 2 to 5. First, the end of the second section 2 on the insertion portion side is inserted into the hollow portion 4 corresponding to the caulking portion. A caulking receiving member 17 having a cylindrical receiving reinforcing portion 17a is inserted and fixed (see FIG. 2). Then, after inserting the second section 2 into the hollow portion 3 of the first section 1 through the insertion hole 6 formed in the first section 1, insertion of the second section 2 is performed. First orthogonal to the direction
5 by applying a load P with a hammer (not shown) or the like (see FIG. 3) while abutting a jig such as a punch 19 on the surface 1c of the shaped member 1 of FIG.
The first and second sections 1 and 2 are subjected to a coupling deformation that engages with each other, and the deformed portion 5 is engaged with the receiving reinforcing section 17a of the caulking receiving member 17 so that the first section 1 and the second section 2 are joined together. This is a case where the second shape member 2 is combined.

In this case, as shown in FIG. 4, if a cross-shaped slit 20 or a small hole (not shown) is formed in advance at a position where the load P is applied, the load P can be reduced. Can be added exactly. Further, as shown by the imaginary line in FIG. 3, the portion to which the load P is applied is on both side surfaces, so that a stronger connection can be performed.

In the first embodiment, the outer dimensions of the first section 1 are 60 mm × 30 mm, the thickness is 2 mm, and the second section 2
Dimensions of 25mm x 25mm, wall thickness 2mm, and
When the load P = 2900 kg is applied with the outer diameter of the receiving reinforcing portion 17a of the caulking receiving member 17 being 16 mm and the thickness being 1.5 mm, and under the same conditions, a cross-shaped slit 20 is provided and the load P is increased. When = 2000 kg was added, a firm bonding state was obtained which was flat except for the dents in the crimped portions and had no protrusions.

In the above description, the case where the first section 1 is a hollow section having a closed cross section has been described. For example, the first section 1 is formed of a hollow section having a C-shaped open section. You can also. Further, the first section 1 and the second section 2 do not necessarily need to be the same kind of material, and may be different kinds of materials.

FIG. 6 is a perspective view of a first profile in a second embodiment of the present invention, FIG. 7 is a perspective view of a second profile in the second embodiment, and FIG. FIGS. 9 and 10 are perspective views of a connecting member according to the embodiment, and FIGS. 9 and 10 are cross-sectional views illustrating a coupling state of the second embodiment.

In the second embodiment, a first member 1 and a second member 2 having a hollow portion 4 are connected via a connecting member 30.

In this case, a fixing groove 27 having a narrow opening shape is provided on the connecting side surface of the first section 1. An upper horizontal piece 28 and a lower horizontal piece 29 are protruded from the upper and lower portions of the first profile 1, respectively, and a part of the upper horizontal piece 28 is provided with the second profile 2 and the connecting member 30. A notch 28a corresponding to the width is provided. Further, a pair of ridges 34 for guiding the insertion portion 32 of the connecting member 30 is provided on both side walls 2 a in the hollow portion 4 of the second section 2.

On the other hand, the connecting member 30 is formed of an extruded aluminum member, and is slidably fitted into a fixed groove 27 provided in the first member 1 at the fixed end. T
A fixing portion 31 having a shape is provided, and a caulking hole 33 is formed in the insertion portion 32 on the other end side. The caulking hole 33 penetrates vertically when caulking from above and below, and penetrates horizontally when caulking from the side (see the imaginary line in FIG. 8).

In order to connect the first section 1 and the second section 2 using the first section 1, the second section 2 and the connecting member 30 configured as described above, First, the fixing portion 31 at one end of the connecting member 30 is fitted and fixed in the fixing groove 27 provided on the connecting side surface of the first section 1. Next, the insertion portion 32 at the other end of the connecting member 30 is inserted into the hollow portion 4 of the second section 2, and the connecting section side end of the connecting member 30 and the second section 2 is connected to the first section. Is engaged with the notch 28a provided in the shape member 1.
Then, a jig such as the punch 19 abuts on a surface of the second section 2 orthogonal to the insertion direction of the connecting member 30, and
A load P is applied with a hammer (not shown) to give a crimping deformation for coupling to the insertion portion, and the deformed portion 5 is connected to the connecting member 3.
The first section 1 and the second section 2 are connected via the connecting member 30 by engaging with the 0 crimping hole 33 (see FIG. 9).

As described above, the fixing groove 27 having a narrow opening shape is provided on the connecting side surface of the first section 1, and the fixing member 27 is slidably fitted in the fixing side end of the connecting member 30. By providing the T-shaped fixing portion 31 to be used, the first connecting member 30 can be directly connected to the first connecting member 30 without using a fixing member such as welding or a rivet.
Can be fixed to the shape member 1. In addition, the first section 1
Of the second profile 2 and the connecting member 3
By providing a notch 28a corresponding to a width of 0 and engaging the connecting member 30 and the second profile 2 with the notch 28a,
The lateral movement of the second profile 2, ie the longitudinal movement of the first profile 1, can be prevented. Further, by providing the lower horizontal piece 29 below the first profile 1, the second profile 2 can be placed on the lower horizontal piece 29, and the connecting member 30 and the second The load P at the time of joining with the material 2 can be supported.

The connecting member 30 has a fixing portion 31 and an insertion portion 32 provided coaxially (see FIG. 8A) and, as shown in FIG. 8B, a fixing portion 31 and an insertion portion 32. Is formed in a step shape, the first shape member 1 and the second shape member 2 can be connected while being shifted in a step shape (see FIGS. 9 and 10). When the first section 1 and the second section 2 are joined in a stepped manner, as shown in FIG. 10, the protruding ridges 34 of the second section 2 are cut out, or as shown in FIG. It is necessary to provide a notch on the side of the connecting member 30 shown in b).

In the above description, after the connecting member 30 is fixed to the first section 1, the second section 2 is deformed, and the deformed portion 5 is engaged with the caulking hole 33 so that the connecting section 30 is engaged. 30 has been described, but the first profile 1 and the second
May be reversed. Further, in the second embodiment, different types of materials can be joined in the same manner as in the first embodiment, and the present invention can also be applied to joining shapes having various cross-sectional shapes.

In the above embodiment, the case where the first section 1 and the second section 2 are joined in a T-shape has been described. However, the present invention is not necessarily limited to the case where the first section 1 and the second section 2 are joined in a T-shape.
The first section 1 and the second section 2 can also be connected in an intersecting manner at an appropriate angle.

[0026]

As described above, according to the method of joining profiles according to the present invention, the following effects can be obtained.

According to the first aspect of the present invention, in the state where the second section is inserted into the insertion hole formed in the joining section of the first section, the first section is inserted. By applying a load to the profile, the first and second profiles are deformed, and the deformed portion is engaged with a caulking receiving member inserted into the hollow portion of the second profile, and the profile is deformed. Can be combined. Therefore, the two sections can be easily and reliably connected via the caulking receiving member without using fixing means such as welding or fixing members such as rivets.

According to a second aspect of the present invention, a caulking hole is formed in the connecting member fixed to the connecting portion of the first profile, and the connecting member is connected to the first profile. And is inserted into the hollow portion of the second section, and a load is applied to the second section to apply deformation to the second section, and this deformed section is used for caulking. The two sections can be joined by engaging the holes. Therefore, the two sections can be simply and reliably connected via the connecting member without using fixing means such as welding or fixing members such as rivets.

[Brief description of the drawings]

FIG. 1 is a sectional perspective view of a joint structure of a profile using a joining method according to a first embodiment of the present invention.

FIG. 2 is a plan view showing a second profile and a caulking receiving member in the first embodiment of the present invention.

FIG. 3 is a side sectional view showing a connection state of the first embodiment.

FIG. 4 is a plan view showing a connection state of the first embodiment.

FIG. 5 is a cross-sectional view of a main part showing a connected state of the first embodiment.

FIG. 6 is a perspective view showing a first profile in a second embodiment of the present invention.

FIG. 7 is a perspective view showing a second profile in the second embodiment.

FIG. 8 is a perspective view showing two forms of a connecting member in the second embodiment.

FIG. 9 is a cross-sectional view showing a connection state of the second embodiment.

FIG. 10 is a sectional view showing another connection state of the second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 1st shaped material 2 2nd shaped material 3 hollow part 4 hollow part 5 deformed part 6 insertion hole 17 caulking receiving material 17a receiving reinforcing part 28a notch 30 connecting member 31 fixing part 32 insertion part 33 caulking hole P load

Claims (2)

(57) [Claims] 1. A method for joining cross sections of a first section and a second section having a hollow portion, wherein the first section and the second section are connected to each other at a joining portion of the first section. An insertion hole is formed, and a caulking receiving material having a receiving reinforcing portion is inserted into the hollow portion corresponding to the caulking portion from the insertion portion side end of the second shape material, and the insertion hole of the first shape material is provided. A load is applied to the first section in a state where the second section is inserted therein, thereby deforming the first and second sections, and the deformed portion is engaged with the caulking receiving section. And joining the shapes. 2. A method for joining cross sections of a first section and a second section having a hollow portion, wherein the connecting member fixed to the joining section of the first section is caulked. A hole is formed, and the connecting member is engaged with a notch provided in the first section and inserted into a hollow portion of the second section, and a load is applied to the second section. Thus, a deformation method is applied to the second shape member, and the deformed portion is engaged with the caulking hole to join the two shape members.