KR102438192B1 - Apparatus for combining profiles - Google Patents

Abstract

A profile coupling device is disclosed. A profile coupling device according to an embodiment of the present invention is a device for vertically coupling a first profile and a second profile in which a fastening groove having a side opening on one side is formed in a longitudinal direction, a portion of the first profile is disposed in the first fastening groove of a fastening body; and a fastening bolt passing through the fastening body and fixing the fastening body to the second profile, wherein the fastening bolt includes a bolt body having a male threaded portion and a bolt head formed at an end of the bolt body, The through hole of the fastening body through which the bolt body passes has a long hole shape extending long in the longitudinal direction of the second fastening groove, and the fastening bolt connects the fastening body to the second inlet area of the through hole. When fixing to the profile, a head insertion groove into which the bolt head is inserted is formed, an inclined surface is formed on a side facing the through hole of the bolt head, and in the process of inserting the bolt head into the head insertion groove, the The inclined surface of the bolt head is in contact with the inner side of the head insertion groove and pushes the fastening body away from the first profile, and one side of the fastening body disposed inside the first fastening groove is the first fastening groove. compress the inner part of

Description

Apparatus for combining profiles

The present invention relates to a profile coupling device, and more particularly, to a profile coupling device for coupling a pair of profiles arranged perpendicular to each other.

In general, the profile is used when manufacturing semiconductor equipment, which is a structure for manufacturing various types of automation equipment used in industrial sites, or industrial furniture, and its use is not limited to any specific part and is applied and used in various ways. have. The profile is usually made of aluminum or aluminum alloy.

The conventional coupling device for coupling these profiles to each other has a problem in that the structure is complicated and the operation is not easy.

An embodiment of the present invention is to provide a profile coupling device having a simple configuration and easy operation.

According to an aspect of the present invention, in a profile coupling device for vertically coupling a first profile and a second profile in which a coupling groove having a side opening on one side is formed in the longitudinal direction, a portion of the first profile A fastening disposed in the first fastening groove, a portion protruding through the first side opening of the first fastening groove, and disposed in at least one of the second fastening groove of the second profile and the second side opening of the second fastening groove body; and a fastening bolt passing through the fastening body and fixing the fastening body to the second profile, wherein the fastening bolt includes a bolt body having a male threaded portion and a bolt head formed at an end of the bolt body, The through hole of the fastening body through which the bolt body passes has a long hole shape extending long in the longitudinal direction of the second fastening groove, and the fastening bolt connects the fastening body to the second inlet area of the through hole. When fixing to the profile, a head insertion groove into which the bolt head is inserted is formed, an inclined surface is formed on a side facing the through hole of the bolt head, and in the process of inserting the bolt head into the head insertion groove, the The inclined surface of the bolt head is in contact with the inner portion of the head insertion groove and pushes the fastening body in a direction away from the first profile, and one side of the fastening body disposed inside the first fastening groove is the first fastening groove A profile coupling device may be provided that presses the inner portion of the .

The fastening body may include: a first body portion disposed in the first fastening groove; and a second body extending from the first body, protruding through the first side opening, and disposed in at least one of the second fastening groove and the second side opening.

The second body part may be formed such that a part is disposed in the first side opening and a part is disposed in the first fastening groove.

An end of the bolt body protruding through the through hole may be coupled to and fixed to a main bolt hole formed in the bottom of the second fastening groove.

The profile coupling device further includes a fixing body disposed in the second fastening groove and fixed to the second profile, and the end of the bolt body protruding through the through hole is in the main bolt hole formed in the fixing body. It can be combined and fixed.

An insertion groove into which a portion of the second body portion is inserted may be formed in the fixing body.

A portion of the second body portion may be disposed in the second side opening.

According to an embodiment of the present invention, since the profile fastening device includes a fastening body and a fastening bolt, the configuration is simple, and it is possible to combine a pair of profiles only by inserting the fastening bolt into the main bolt hole and coupling it, so that the operation is convenient. do.

1 is a perspective view showing a state in which a profile coupling device according to an embodiment of the present invention is installed on a pair of profiles.
Figure 2 is a view of the profile coupling device shown in Figure 1 viewed from the front.
FIG. 3 is a view showing a part of a cross section AA of FIG. 1 .
4 is a perspective view of a fastening body according to an embodiment of the present invention.
5 is a front view of a fastening body according to an embodiment of the present invention.
6 is a side view of a fastening body according to an embodiment of the present invention.
7 is a cross-sectional view taken along line BB of FIG. 5 .
FIG. 8 is a CC sectional view of FIG. 5 .
9 is a view showing a fixing bolt according to an embodiment of the present invention.
10 is a view for explaining the operating mechanism of the profile coupling device according to an embodiment of the present invention.
FIG. 11 is a view showing a part of a cross section DD of FIG. 10 .
12 is a view viewed from the front of the installation state of another profile coupling device of the present invention.
13 is a view showing a part of a cross section EE of FIG. 12 .
14 is a front view of a fastening body according to another embodiment of the present invention.
15 is a side view of a fastening body according to another embodiment of the present invention.
16 is a front view of a fixed body according to another embodiment of the present invention.
17 is a side view of a fixed body according to another embodiment of the present invention.
FIG. 18 is a FF cross-sectional view of FIG. 16 .
19 is a view showing a fixing bolt according to another embodiment of the present invention.
20 is a view viewed from the front of the installation state of another profile coupling device of the present invention.
Fig. 21 is a view showing a part of a cross section GG of Fig. 20;
22 is a front view of a fastening body according to another embodiment of the present invention.
23 is a side view of a fastening body according to another embodiment of the present invention.
24 is a front view of a fixed body according to another embodiment of the present invention.
25 is a side view of a fixed body according to another embodiment of the present invention.
FIG. 26 is a cross-sectional view taken along HH of FIG. 24 .

Since the present invention can apply various transformations and can have various embodiments, specific embodiments are illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the present invention, if it is determined that a detailed description of a related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, and in the description with reference to the accompanying drawings, the same or corresponding components are given the same reference numerals, and the overlapping description thereof will be omitted. do.

1 is a perspective view showing a state in which a profile coupling device according to an embodiment of the present invention is installed on a pair of profiles, FIG. 2 is a view of the profile coupling device shown in FIG. 1 from the front, and FIG. 3 is FIG. 1 It is a view showing a part of a cross section AA of the, Figure 4 is a perspective view of a fastening body according to an embodiment of the present invention, Figure 5 is a front view of the fastening body according to an embodiment of the present invention, Figure 6 is of the present invention It is a side view of a fastening body according to an embodiment, FIG. 7 is a cross-sectional view BB of FIG. 5, FIG. 8 is a cross-sectional view CC of FIG. 5, and FIG. 9 is a view showing a fixing bolt according to an embodiment of the present invention.

1 to 3, the profile coupling device 100 according to the present embodiment is a pair of profiles 10 and 20 disposed perpendicular to each other, that is, the first profile 10 and the second profile 20. are used to combine perpendicularly to each other.

It is assumed that the first profile 10 extends in the X-axis direction and the second profile 20 extends in the Z-axis direction.

Fastening grooves 11 and 21 having side openings 12 and 22 on at least one side are formed in the first profile 10 and the second profile 20, respectively. The first profile 10 and the second profile 20 each have four side surfaces, and have four side openings 12 and 22 and four fastening grooves 11 and 21 .

Hereinafter, the side opening 12 and the fastening groove 11 formed in the first profile 10 are referred to as the first side opening 12 and the first fastening groove 11 , respectively, and the side opening 12 and the fastening groove 11 formed in the second profile 20 , respectively. The opening 22 and the fastening groove 21 are referred to as the second side opening 22 and the second fastening groove 21, respectively.

The first side opening 12 and the first fastening groove 11 are formed to extend in the extending direction of the first profile 10, and the second side opening 22 and the second fastening groove 21 are formed with the second profile ( 20) is formed to extend in the extension direction.

In the present embodiment, the first profile 10 has an opening region in which the first side opening 12 is formed in the outer wall of the first profile 10 and the first fastening groove 11 in the outer wall of the first profile 10 . It is provided in a form including an opening area between the pair of protruding first protrusions 13 .

However, in another embodiment, the first profile may be provided in various forms, such as, without a pair of first protrusions (see 13 of FIG. 1 ), and the first side opening consists only of an opening region formed on the outer wall of the first profile. have.

And the second profile 20 is a pair of second side openings 22 protruding from the opening region formed on the outer wall of the second profile 20 toward the second fastening groove 21 from the outer wall of the second profile 20 . It is provided in a form including an opening area between the second protrusions 23 of the .

However, in another embodiment, the second profile may have various shapes, such as, without a pair of second protrusions (refer to 23 of FIG. 1 ), the second side opening is configured only with an opening region formed in the outer wall of the second profile.

1 to 9 , the profile coupling device 100 according to the present embodiment includes a fastening body 1000 and a fastening bolt 2000 .

A part of the fastening body 1000 is disposed in the first fastening groove 11 of the first profile 10 , and the other part protrudes through the first side opening 12 of the first fastening groove 11 to obtain the first fastening body 1000 . It is provided to be essentially disposed in the second side opening 22 of the 2 profile 20 and to be selectively disposed in the second fastening groove 21 .

The fastening body 1000 includes a first body part 1100 and a second body part 1300 .

The first body portion 1100 is disposed in the first fastening groove 11 . The first body portion 1100 may have a cross-sectional shape corresponding to the cross-section of the first fastening groove 11 . One side of the first body portion 1100 presses the inner portion of the first fastening groove 11 in a process in which a fastening bolt 2000 to be described later is inserted into the main bolt hole 2500 and coupled thereto.

As shown in FIG. 4 , wedge-shaped protrusions 1101 may be formed in a portion that presses the inner portion of the first fastening groove 11 of the first body 1100 . The first body portion 1100 may be fixed to the first profile 10 by effectively pressing the inner portion of the first fastening groove 11 by the wedge-shaped protrusions 1101 .

The second body portion 1300 extends from the first body portion 1100 and protrudes through the first side opening 12 , is essentially disposed in the second side opening 22 , and is optional for the second fastening groove 21 . is placed as

In this embodiment, the second body portion 1300 is formed such that a part is disposed in the second side opening 22 and a part is disposed in the second fastening groove 21 as shown in FIG. 3 . That is, the second body portion 1300 is disposed over both the second fastening groove 21 and the second side opening 22 .

In this case, a portion of the second body portion 1300 is in a state of being caught in the first side opening 12 narrower than the second fastening groove 21 , and the second body portion 1300 for the second profile 20 . In the coupling process of the second body portion 1300 is prevented from rotating in the second fastening groove 21, a stable operation is possible.

In this embodiment, the second body portion 1300 may be formed to have a greater thickness (eg, thickness in the X-axis direction) compared to the first body portion 1100 . In this case, the structural strength of the second body portion 1300 through which a fastening bolt 2000 to be described later passes may be improved.

A connection body part 1200 is interposed between the first body part 1100 and the second body part 1300 . The connection body part 1200 connects the first body part 1100 and the second body part 1300 . The connecting body portion 1200 is disposed in the first side opening 12 . The connecting body 1200 may have a curved edge 1200a to enable smooth rotation when the first body 1100 needs to be rotated to change its posture or position within the first fastening groove 11 .

A through hole 1310 through which a fastening bolt 2000 to be described later passes is formed in the fastening body 1000 . Specifically, a through hole 1310 through which a fastening bolt 2000 to be described later passes is formed in the second body portion 1300 .

The through hole 1310 has a long hole shape elongated in the longitudinal direction of the second fastening groove 21 . For example, in FIGS. 4 to 7 , the through hole 1310 has a long hole shape elongated in the Z-axis direction.

A head insertion groove 1330 into which the bolt head 2200 is inserted when the fastening bolt 2000 fixes the fastening body 1000 to the second profile 20 is formed in the inlet region of the through hole 1310 .

The head insertion groove 1330 may have a conical cross-section as shown in FIGS. 5 to 8 . In this case, the inner surface of the head insertion groove 1330 forms an inclined surface. Alternatively, although not shown, the head insertion groove may have a cylindrical cross-section.

The fastening bolt 2000 passes through the fastening body 1000 (specifically, the second body part 1300), and the fastening body 1000 (specifically, the second body part 1300) connects the second profile 20 ) is fixed to

The fastening bolt 2000 includes a bolt body 2100 in which a male thread is formed, and a bolt head 2200 formed at an end of the bolt body 2100 .

The bolt head 2200 has a structure in which an inclined surface 2201 is formed on a side facing the through hole 1310 . A bolt having the bolt head 2200 having such a structure is called a countersunk head bolt.

In the present embodiment, the end of the fastening bolt 2000 passing through the fastening body 1000 may be inserted into and fixed to the second profile 20 . At this time, the main bolt hole 2500 is formed in the bottom of the second fastening groove 21, and the end of the fastening bolt 2000 (or the bolt body 2100) passing through the fastening body 1000 is the main bolt hole ( 2500) may be inserted and fixed.

A female screw portion engaged with the male screw portion of the bolt body 2100 is formed on the inner surface of the main bolt hole 2500 .

In this embodiment, in the process in which the bolt head 2200 is inserted into the head insertion groove 1330, the inclined surface 2201 of the bolt head 2200 is in contact with the inner side of the head insertion groove 1330 and the fastening body 1000 is tightened. One side of the fastening body 1000 disposed inside the first fastening groove 11 is pushed away from the first profile 10 in a direction (ex. +Z direction), and the inner part of the first fastening groove 11 is pushed out. pressure This will be described in detail below.

Figure 10 is a view for explaining the operating mechanism of the profile coupling device according to an embodiment of the present invention, Figure 11 is a view showing a part of the DD section of Figure 10.

Hereinafter, an operating mechanism of the profile coupling device 100 according to the present embodiment will be described with reference to FIGS. 2, 3, 10 and 11 .

First, referring to FIGS. 10 and 11 , the user places the first body part 1100 in the first fastening groove 11 and the second body part 1300 in the second fastening groove 21 . The first profile 10 and the second profile 20 are disposed perpendicular to each other.

And the user inserts the fastening bolt 2000 into the through hole 1310 of the second body portion 1300 and penetrates it, and the end of the bolt body 2100 passing through the through hole 1310 is the second as shown in FIG. The fastening bolt 2000 is rotated so as to be inserted into and coupled to the main bolt hole 2500 formed in the bottom of the fastening groove 21 .

At this time, a portion of the inclined surface 2201 of the bolt head 2200 may contact the inner portion of the head insertion groove 1330 as shown in FIG. 11 . And the bolt body 2100 is positioned to be biased in one direction (ex. +Z direction) in the through hole 1310 as shown in FIGS. 10 and 11, and the bolt head 2200 is located in the head insertion groove ( 1330) and may be in an unaligned state.

Thereafter, the user continues to rotate the fastening bolt 2000 so that the end of the bolt body 2100 shown in FIGS. 10 and 11 is inserted deeper into the main bolt hole 2500 as shown in FIGS. 2 and 3 .

In this process, the bolt head 2200 is gradually inserted into the head insertion groove 1330, and the inclined surface 2201 of the bolt head 2200 in contact with the inner portion of the head insertion groove 1330 is the second body portion 1300. , In other words, the fastening body 1000 is pushed away from the first profile 10 in a direction (ex. +Z direction), and one side of the fastening body 1000 disposed inside the first fastening groove 11 is The inner portion of the first fastening groove 11 (eg, the end portions of the pair of first protrusions 13) is pressed.

In this case, the first profile 10 is fixed by the first body portion 1100 pressing the inner portion of the first fastening groove 11 , and the second profile 20 is inserted into the main bolt hole 2500 . By being fixed by the fastening bolt 2000 , the first profile 10 and the second profile 20 may be vertically coupled to each other and fixed.

The profile coupling device 100 according to the present embodiment as described above has a very simple configuration including a fastening body 1000 and a fastening bolt 2000, and inserting the fastening bolt 2000 into the main bolt hole 2500 to combine them. A pair of profiles 10 and 20 can be combined with only the operation to make it convenient to operate.

Figure 12 is a view seen from the front of the installation state of another profile coupling device of the present invention, Figure 13 is a view showing a part of the cross section EE of Figure 12, Figure 14 is a front view of the fastening body according to another embodiment of the present invention 15 is a side view of a fastening body according to another embodiment of the present invention, FIG. 16 is a front view of a fixed body according to another embodiment of the present invention, and FIG. 17 is a fixed body according to another embodiment of the present invention It is a side view, FIG. 18 is a FF cross-sectional view of FIG. 16, and FIG. 19 is a view showing a fixing bolt according to another embodiment of the present invention.

12 to 19 , the profile coupling device 100 ′ according to the present embodiment includes a fastening body 1000 ′, a fastening bolt 2000 , and a fixing body 3000 .

The fastening body 1000' includes a first body part 1100', a second body part 1300', and a connection body part 1200'. The first body part 1100', the second body part 1300' and the connection body part 1200' of this embodiment are the first body part 1100, the second body part 1300 and the connection body part of the previous embodiment. It corresponds to part 1200 .

However, in this embodiment, the second body portion 1300' is provided to be disposed in the second side opening 22 as a whole as shown in FIG. 13, in that the second fastening groove 21 and the second side opening 22 are provided. There is a slight difference from the second body portion 1300 of the previous embodiment disposed throughout.

And in this embodiment, the fastening body 1000' is advanced in that the first body part 1100' and the second body part 1300' are provided to have the same thickness (eg, the thickness in the X-axis direction). It is slightly different from the fastening body 1000 of the embodiment.

A through hole 1310 through which the fastening bolt 2000 passes is formed in the first body portion 1100 ′, and the bolt head 2200 of the fastening bolt 2000 is inserted into the inlet region of the through hole 1310 . An insertion groove 1330 is formed.

The description of the fastening bolt 2000 is replaced with the description of the previous embodiment.

The fixing body 3000 may be manufactured in a flat plate shape and may have a cross-sectional shape corresponding to the cross-sectional shape of the second fastening groove 21 .

The fixing body 3000 may be fixed to the second profile 20 by a fixing bolt 4000 .

A sub-bolt hole 3500 into which the fixing bolt 4000 is inserted is formed in the fixing body 3000 . The sub bolt hole 3500 is formed to penetrate the fixing body 3000 in the thickness direction (eg, the X-axis direction).

When the bottom of the sieve 2 fastening groove 21 is pressed while the end of the fixing bolt 4000 passing through the sub bolt hole 3500 is in contact with the bottom of the second fastening groove 21, the second side opening 22 ) and one surface of the fixing body 3000 facing the inner portion of the second fastening groove 21, for example, presses the end of the second protrusion 23.

In this case, the fixing body 3000 is fixed in a state sandwiched between the bottom of the second fastening groove 21 and the second protrusion 23 by the fixing bolt 4000 . In this case, there is no need to form a separate bolt hole in the bottom of the second fastening groove 21 , the structural stability of the second profile 20 is improved.

The fixing bolt 4000 may be provided in the form of a so-called headless bolt without a head. In this case, interference with the fastening body 1000 ′ in contact with one surface of the fixed body 3000 can be avoided.

A main bolt hole 2500 is formed in the fixed body 3000 . The end of the fastening bolt 2000 protruding through the through hole 1310 of the fastening body 1000 ′ is coupled to and fixed to the main bolt hole 2500 formed in the fixed body 3000 .

In the process in which the bolt head 2200 is inserted into the head insertion groove 1330, the inclined surface 2201 of the bolt head 2200 is in contact with the inner side of the head insertion groove 1330, and the fastening body 1000' is attached to the first profile. (10) is pushed away from the direction (ex. +Z direction), one side of the fastening body (1000') disposed inside the first fastening groove (11) presses the inner side of the first fastening groove (11) .

The profile coupling device 100 ′ according to the present embodiment as described above is disposed in the second fastening groove 21 and the main bolt hole 2500 is formed in the fixing body 3000 fixed to the second profile 20 . , there is no need to form the main bolt hole 2500 in the second profile 20, the structural strength of the second profile 20 can be maintained.

Figure 20 is a view from the front of the installation state of another profile coupling device of the present invention, Figure 21 is a view showing a part of the GG section of Figure 20, Figure 22 is a fastening body according to another embodiment of the present invention is a front view of, FIG. 23 is a side view of a fastening body according to another embodiment of the present invention, FIG. 24 is a front view of a fixed body according to another embodiment of the present invention, and FIG. 25 is another embodiment of the present invention It is a side view of the fixed body according to , and FIG. 26 is a HH sectional view of FIG. 24 .

20 to 26 , the profile coupling device 100 ″ according to the present embodiment includes a fastening body 1000 ″, a fastening bolt 2000 , and a fixing body 3000 ″.

The profile coupling device 100 ″ according to the present embodiment is different from the profile coupling device 100 ′ according to the previous embodiment in the shape of the fixing body 3000 ″.

In the present embodiment, an insertion groove 3700 into which a portion of the second body portion 1300" is inserted is formed in the fixed body 3000". The insertion groove 3700 is formed concavely in the thickness direction (ex. X-axis direction) of the fixing body 3000" on the surface facing the second side opening 22 of the fixing body 3000".

The main bolt hole 2500 into which the fastening bolt 2000 is inserted and the sub bolt hole 3500 into which the fixing bolt 4000 is inserted are respectively formed in the bottom of the insertion groove 3700 .

A portion of the second body portion 1300" partially inserted into the insertion groove 3700 is disposed in the second side opening 22. In this case, the second body portion 1300" is partially inserted into the fixing body 3000". ) is disposed in the second fastening groove 21 in a state inserted into the insertion groove 3700, and a portion is provided in the form of being disposed in the second side opening 22.

The fastening body 1000" includes a first body portion 1100", a second body portion 1300", and a connection body portion 1200". The first body part 1100 ″, the second body part 1300 ″ and the connection body part 1200 ″ of this embodiment are the first body part 1100 ′, the second body part 1300 ′ and Corresponds to the connection body portion (1200').

However, in this embodiment, the second body portion 1300 ″ is disposed in the second fastening groove 21 with a part inserted into the insertion groove 3700 of the fixed body 3000 ″, and a part of the second body part 1300 ″ In that it is provided in a form disposed in the side opening 22 , it is slightly different from the second body portion 1300 ′ of the previous embodiment, which is disposed in the second side opening 22 as a whole.

And in this embodiment, the fastening body 1000" has a thicker thickness (ex. the second body 1300") than the first body 1100" unlike the fastening body 1000' according to the previous embodiment. It is slightly different from the fastening body 1000' according to the previous embodiment in that it is formed to have a thickness in the X-axis direction).

The profile coupling device 100 ″ according to the present embodiment described above can increase the thickness of the second body part 1300 ″ by the depth of the insertion groove 3700 , thereby increasing the strength of the second body part 1300 ″. can be improved

In the above, although embodiments of the present invention have been described, those of ordinary skill in the art can add, change, delete or add components within the scope that does not depart from the spirit of the present invention described in the claims. The present invention may be variously modified and changed by such as, and it will be said that it is also included within the scope of the present invention.

10: first profile 11: first fastening groove
12: first side opening 13: first protrusion
20: second profile 21: second fastening groove
22: second side opening 23: second protrusion
100: profile coupling device 1000: fastening body
1100: first body portion 1200: connection body portion
1300: second body 1310: through hole
1330: head insertion groove 2000: fastening bolt
2100: bolt body 2200: bolt head
2201: slope 2500: main bolt hole
3000: fixed body 3500: sub bolt hole
3700: insertion groove 4000: fixing bolt

Claims (7)

A profile coupling device for vertically coupling a first profile and a second profile in which a coupling groove having a side opening on one side is formed in the longitudinal direction,
a first body portion disposed in the first fastening groove of the first profile, and the second fastening groove of the second profile extending from the first body and protruding through the first side opening of the first fastening groove a fastening body disposed in a state of being sandwiched in the second side opening and including a second body part selectively disposed in the second fastening groove; and
and a fastening bolt passing through the second body portion of the fastening body and fixing the fastening body to the second profile,
The fastening bolt includes a bolt body formed with a male thread portion, and a bolt head formed at an end of the bolt body,
The through hole of the fastening body through which the bolt body passes has a long hole shape extending long in the longitudinal direction of the second fastening groove,
A head insertion groove into which the bolt head is inserted when the fastening bolt fixes the fastening body to the second profile is formed in the inlet region of the through hole;
An inclined surface is formed on the inner surface of the head insertion groove,
An inclined surface is formed on a side of the bolt head facing the through hole,
In the process of inserting the bolt head into the head insertion groove and fixing the fastening body to the second profile, the inclined surface of the bolt head is in biased contact with the inclined surface of the head inserting groove in one direction, and the first of the fastening body The first body part is pushed in a direction away from the first profile, and one side of the first body part disposed inside the first fastening groove presses the inner part of the first fastening groove so that the fastening body is attached to the first profile. A fixed, profile coupling device. The method of claim 1,
Wedge-shaped protrusions are formed on one side of the first body portion that presses the inner portion of the first fastening groove, the profile coupling device. delete The method of claim 1,
An end of the bolt body protruding through the through hole is coupled to and fixed to a main bolt hole formed in the bottom of the second fastening groove. The method of claim 1,
It is disposed in the second fastening groove, the sub-bolt hole to which the fixing bolt is coupled is formed, further comprising a fixing body fixed to the second profile by the fixing bolt,
The end of the fastening bolt protruding through the through hole is fixed by being coupled to the main bolt hole formed in the fixing body,
When the end of the fixing bolt contacts and presses the bottom of the second fastening groove, the fixing body presses the inner portion of the second fastening groove. 6. The method of claim 5,
A portion of the second body portion is disposed in the second fastening groove,
An insertion groove into which a portion of the second body portion disposed in the second fastening groove is inserted is formed in the fixing body in the longitudinal direction of the second profile,
The main bolt hole and the sub bolt hole are formed in the bottom of the insertion groove, a profile coupling device. delete

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