JP2002257112A - Coupling structure of object - Google Patents

Abstract

PROBLEM TO BE SOLVED: To fix simply and freely an object A to an object B. SOLUTION: A screwing space 15 in which a screw 14 is forcibly screwed by a rail body 3 of a receiver 1 and a forming part 13 for the screwing space of a coupling member 11 by combining the receiver 3 with the coupling member 11 is formed. Moreover, flanges 3a, 12a which prevent the screwing space 15 from widening when the screw 14 is screwed between the rail body 3 and the coupling member 11 while mutually engaging with each other, are respectively provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an object connecting structure for connecting an object A and an object B with a screw.

[0002]

2. Description of the Related Art Conventionally, an object A and an object B are connected by using bolts, nuts and the like. For example, in an electrical installation in which wiring and piping materials such as cables are laid in a building, a receiving member as an object A on which the wiring and piping materials are laid is connected to each other by a connecting member as an object B. ing. The receiving member is usually made of a metal material, and is provided with a surface treatment film such as plating or painting for ensuring weather resistance and rust prevention. On the other hand, when electricity is supplied to the cable, electromagnetic induction is generated, and a portion having a large resistance generates heat, which may cause a fire. For this reason, as a bylaw of this type of industry, grounding is installed on the receiving device to prevent it. Here, since it is troublesome to install the ground for each receiver, it is usually performed to electrically connect the respective receivers and install one ground for each of the plurality of receivers. ing. Japanese Patent Application Laid-Open No. 62-225118 describes a method of connecting the receiving members and performing electrical conduction.
The technology disclosed in Japanese Unexamined Patent Publication (Kokai) No. H10-26139 is disclosed.

[0003]

However, Japanese Patent Application Laid-Open No.
Japanese Unexamined Patent Application Publication No. 2-225118 discloses a bolt insertion hole corresponding to a mounting hole of a connection fitting in the main girder for interconnecting and receiving electrical connection between a main girder and a sub girder. In addition, when connecting, it is necessary to position the bolt insertion hole and the mounting hole of the connection fitting, so that these operations are very troublesome.

[0004] As described above, conventionally, the connection between the objects A and B is not limited to the receiving member and the connecting member, and generally, the connecting member composed of a plurality of types of members such as bolts and nuts is used. It is performed using, also, it is necessary to drill the mounting holes while corresponding to the position of both the object A and the object B, and when connecting, it is necessary to align the mounting holes,
The work was very troublesome and time-consuming, and could not be mounted freely.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an object connecting structure that allows the object A and the object B to be easily and freely attached.

[0006]

According to a first aspect of the present invention, an object connecting structure is formed by combining an object A and an object B with the object A and the object B, and a screw is forcibly inserted. Provided in the object A and the object B,
An expansion preventing portion for preventing the screw-in space from expanding when the screw is screwed.

According to a second aspect of the present invention, the screwing space into which the screw according to the first aspect is forcibly screwed is formed in a groove.

According to a third aspect of the present invention, the screwing space into which the screw of the second aspect is forcibly screwed is provided in the wide groove formed in the object A in the object B. It is formed by inserting a projection.

According to a fourth aspect of the present invention, the object A according to the second or third aspect is formed of a long object, and a groove into which a screw is forcibly screwed is formed in a longitudinal direction. It was done.

According to a fifth aspect of the present invention, the object A and the object B according to any one of the first to fourth aspects are formed of a metal material, and the surfaces thereof are provided with: The surface treatment film is formed.

According to a sixth aspect of the present invention, in the object connecting structure, the object A according to any one of the first to fifth aspects is a receiving member for wiring and piping material, and the object B is the wiring member. -It is a connecting member for connecting the pipe material receiving member.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the present invention will be described with reference to an object A.
1 to 5 show a case where a wiring and piping material such as a cable as an electrical installation material is laid, and a case where the object B is a connecting member for connecting the receiving devices in the laying direction.
A description will be given based on FIG.

In FIG. 1, a receiving member 1 as an object A has a support 7 on which a cable C or the like is mounted on a laying rail 2 arranged in the laying direction, which is mounted orthogonally to the laying direction. Are connected in the longitudinal direction, that is, the laying direction by the connecting member 11 as the object B. The laying rail 2 is formed by integrally connecting two rail bodies 3 formed in a hollow cylindrical shape having a slit 5 in the laying direction at a substantially intermediate height by a connecting plate portion 6 formed in a plate shape. The surface is subjected to surface treatment such as plating and painting. The inside of the rail body 3 forms a chute 4 into which a retracting tool (not shown) is inserted. The rail bodies 3 are formed with a flange 3a and a slit 5 having a constant width on mutually opposite side walls. Further, a mounting hole 6a for mounting the support 7 and a suspension bolt hole 6b through which a suspension bolt (not shown) penetrated from a ceiling or the like is inserted in the connection plate portion 6 of the rail body 3 at a predetermined interval. Is provided.

A support 7 to be mounted on the laying rail 2
Is a metal round bar, the whole of which is formed in a substantially mountain-like shape, and a support portion 9 on which the cable C is mounted is provided on the bottom surface of the central support 8.
Are connected orthogonally to this. The support portion 9 has drop prevention portions 9a formed at both ends so as to prevent the cable C from dropping from the side.

A screw portion 8a is provided at the top of the column 8, and a square pole-shaped mounting member 10 is screwed into a screw hole provided on the bottom surface of the screw portion 8a. It is attached integrally.

On the other hand, as shown in FIGS. 4 and 5, the connecting member 11 is entirely formed in a substantially T-shaped plate shape by a metal plate material. A plate-shaped screw-in space forming portion 13 that forms a screw-in space 15 into which the screw 14 is screwed into the space between the two rails 3 when inserted into the space between the two rails 3 is provided. It is suspended from the entire length in the installation direction. This connecting member 1
A surface treatment such as plating and painting is applied to the surface of No. 1. Further, flanges 12a that engage with both upper edges of the installation rail 2 are integrally formed at both ends in the width direction of the top plate portion 12 of the connection member 11, thereby forming the screw-in space forming portion. 13 is arranged at the center between the pair of rail bodies 3. The thickness of the threaded space forming portion 13 is formed between the connecting member 11 and the inner wall of the rail body 3 of the installation rail 2 when the connecting member 11 is placed on the end of the receiving device 1 in the installation direction. The gap of the screw-in space 15 is
Is formed to have a width slightly smaller than the screw outer diameter.

Further, the top plate 12 of the connecting member 11 is provided with elongated grooves 12b in the longitudinal direction adjacent to both side walls of the screwed space forming portion 13, and the width of the groove 12b is such that the screw 14 is inserted. It is formed as large as possible. The inner wall surface on the center side of each of the grooves 12b forms the same plane as the side wall surface of the screw-in space forming portion 13. Here, the flange 12a guides the attachment to the laying rail 2 and engages with the flange 3a of the rail body 3 of the laying rail 2, so that the connecting member 11 is displaced in the width direction and either one of the screws is screwed. Entry space 1
5 is prevented from expanding in the width direction, and the screw-in space forming portion 13 is formed.
Is held at a central position between the pair of rail bodies 3, and the screw-in space 1 is
5 is kept constant. Here, the flange 3a of the rail body 3 and the flange 12a of the connecting member 11 correspond to an expansion preventing portion.

Next, the connection and operation of the receiving member and the connection member in the object connection structure of the present embodiment configured as described above will be described. In order to connect the receiving members 1 in the longitudinal direction, that is, the installation direction, the connecting member 11 is connected to the mounting direction of the receiving member 1 while the flange 12a of the connecting member 11 is engaged with the flange 3a of the installation rail 2 of the receiving member 1. At the end of the. Then, as shown in FIG. 5, the engagement of the flange 12 a with the flange 3 a of the installation rail 2 causes the screw-in space forming portion 13 of the connecting member 11 to move the pair of rail bodies 3 of the receiving member 1.
Stably held in the middle between. As a result, the space between the pair of left and right rail bodies 3 is divided into two equal parts by the screw-in space forming part 13 of the connecting member 11, and each of the divided spaces becomes a screw-in space 15 into which the screw 14 is screwed. Form.

Then, the screw 14 is connected to the groove 12 of the connecting member 11.
b, and further screwed into the screwed space 15. At this time, the width of the formed screw-in space 15 is
Since the screw 14 is formed slightly smaller than the outside diameter of the male screw, the screw 14 is forcibly screwed into the screw-in space 15, and the male screw faces the side wall surface of the rail body 3 of the receiving member 1 and the connecting member 1.
The screw-in space forming portion 13 bites into the side wall surface. Thereby, the connecting member 11 is fixed to the upper surface of the laying rail 2 and connected. As a result, the connecting member 11 is connected to each of the receiving devices 1 across the adjacent receiving devices 1, and the both receiving devices 1 are connected to each other.
The screw 14 can be connected by being screwed into only one of the screw-in spaces 15, but if the screws 14 are screwed into the screw-in spaces 15 on both sides, the connection strength is increased.

In the receiving device 1 according to the present embodiment, the screwing space 15 into which the screw 14 is forcibly screwed is formed continuously in the installation direction. The connecting member 11 can be connected to the end portion of the receiving member 1 by a simple operation of merely screwing the receiving member 14, and the receiving members 1 can be connected to each other. There is no hassle of connecting using a connecting tool made of seeds.

Further, since the screw 14 is forcibly screwed into the screw-in space 15, the side wall surfaces of the rail body 3 and the screw-in space forming portion 13 are screwed. It is scraped off, and the external thread of the screw 14 bites into the metal material to obtain an energized state. Thereby, the screw 1
Only by forcibly screwing the screw 4 into the screw-in space 15, the electrical connection between the receiving device 1 and the connecting member 11 and thus the receiving device 1 is performed.

In the above embodiment, the connecting member 11
FIG. 6 shows an elongated groove 12b formed in the top plate 12.
As shown in FIG.
A plurality of round holes 12c may be formed adjacent to both side walls at appropriate intervals in the longitudinal direction.

As shown in FIGS. 7 and 8, the thickness of the threaded space forming portion 13 of the connecting member 11 is increased, and the top plate portion 12 has a longitudinally elongated groove 12b on one side only. It can also be formed. In this case, the screw-in space 1
5 is formed only on one rail body 3 side.

Next, the object connecting structure according to another embodiment of the present invention is as follows. The object A is a receiving member comprising a parent girder and a child girder on which a cable or the like is laid, and the object B is the receiving member. A case where the connecting members are connected in the installation direction will be described with reference to FIGS.

In the drawing, a rectangular frame-shaped child girder 3 made of aluminum or the like is erected between a pair of left and right main girder members 22 made of aluminum or the like and having a constant cross-sectional shape. The cable C, which is a wiring / piping material, is drawn in and placed on the sub-spar 23. The receiving members 21 are connected in the laying direction by a connecting member 31 attached along the outer wall surface of the main girder 22. The master girder 22 is provided with a stepped portion 22a and a stepped portion 22b at an intermediate portion in the height direction to form a concave space 22.
c are provided continuously in the longitudinal direction, that is, in the laying direction.
The parent girder 22 and the child girder 23 are subjected to surface treatment such as plating and painting.

On the other hand, the connecting member 31 is entirely formed in a substantially T-shaped plate shape by a metal plate material, and is inserted into the recessed space 22c of the receiving member 21 on the rear surface at the center of the flat plate portion 32 in the width direction. A plate-like screw-in space forming portion 33 that forms a screw-in space 34 into which the screw 14 is screwed between the step portion 22a of the spar 22
Are integrally provided so as to reach the entire length in the longitudinal direction. The surface of the connecting member 31 is subjected to a surface treatment such as plating and painting. Also, flanges 32a are integrally formed at both ends in the width direction of the flat plate portion 32 of the connecting member 31 so as to be engaged with flanges 22d provided at the upper and lower ends of the main girder 22. Is the receiving tool 21
When attached to the end of the screw space forming portion 33
Is formed at a certain distance from the step 22a of the main girder 22 so that a screw-in space 34 having a width slightly smaller than the outer diameter of the screw 14 is formed between the step 22a and the wall surface of the step 22a. It has become.

Further, the flat plate portion 32 is provided with an elongated groove 32b in the longitudinal direction at a position adjacent to the screw insertion space forming portion 33, and has a width such that the screw 14 can be inserted. ing. One inner wall surface of the groove 32b forms the same plane as the side wall surface of the screwed space forming portion 33.
Here, the flange 22d and the flange 32a guide the attachment to the receiving member 21 and also engage with the flange 22d of the parent girder 22 to prevent the connecting member 31 from shifting in the width direction, and to provide a screw-in space. The forming part 33 is connected to the step part 2 of the main beam 22.
It is held at a fixed position separated by a predetermined distance from 2a, and corresponds to an expansion preventing portion in the claims.

Next, the connection and operation of the receiving member and the connecting member in the object connecting structure of the present embodiment configured as described above will be described. In order to connect the receiving members 21 in the longitudinal direction, that is, the laying direction, the connecting member 31 is connected to the receiving member 21 while the flange 32a of the connecting member 31 is engaged with the upper and lower flanges 22d of the parent girder 22 of the receiving member 21. Place on the end in the laying direction. Then, as shown in FIG. 10, the threaded space forming portion 33 of the connecting member 31 is brought into a predetermined position in the concave space 22 c of the parent girder 22 of the receiving member 21 by the engagement of the flange 32 a and the flange 22 d of the parent girder 22. It is kept stable. Thereby, a screw-in space 34 into which the screw 14 is screwed is formed between the step portion 22a of the parent girder 22 and the screw-in space forming portion 33 of the connecting member 31.

Then, the screw 14 is connected to the groove 32 of the connecting member 31.
b, and further screwed into the screwed space 34. At this time, the width of the formed screw-in space 34 is
Since the screw 14 is formed slightly smaller than the outside diameter of the male screw, the screw 14 is forcibly screwed into the screw-in space 15, and the wall surface of the step 22 a of the main girder 22 facing the male screw and the connecting member 3
The first threaded space forming portion 33 bites into the side wall surface. Thereby, the connecting member 31 is fixed to the side surface of the main girder 22 and is connected. As a result, the connecting member 31 is connected to each of the receiving members 21 over the adjacent receiving members 21, and the both receiving members 21 are connected to each other.

In the receiving device 21 according to the present embodiment, the screwing space 34 into which the screw 14 is forcibly screwed is formed continuously in the installation direction, so that the receiving device 21 is similar to the embodiment shown in FIGS. ,
At any position in the installation direction, the screw 14
The connecting member 31 can be connected to the end of the receiving member 21 in the laying direction by a simple operation of merely screwing the receiving member 1 and the receiving members 1 can be connected to each other. Further, when the screw 14 is forcibly screwed into the screw-in space 34, the main girder 22
Since the wall surface of the step portion 22a and the side wall surface of the threaded space forming portion 33 are threaded, an energized state is obtained between the receiving member 21 and the connecting member 31 and further between the receiving members 21.

Next, an embodiment in which the present invention is applied to a structure in which the cable C is held by using the band 35 for the sub-spar 23 of the receiving member 21 will be described with reference to FIGS. FIG.
12 and FIG. 12, the receiving member 21 shown in FIG. 9 and FIG.
The recessed space 23a opening upward is formed in the child girder 23 of the child girder 2.
3 are formed continuously in the longitudinal direction. On the other hand, the band 35 is formed by bending a metal plate material into a semicircular arc and integrally providing flanges 36 at both ends thereof in a horizontal direction. Inserted into the recessed space 23a of the spar 23, the recessed space 2
Plate-shaped screw-in space forming portion 37 that abuts on one side wall surface of 3a
Are suspended vertically. Each of the threaded space forming portions 37 provided in the both flanges 36 may be in contact with the wall surface on the same side of the concave space 23a of the child girder 23, or the wall surfaces on the opposite side of the concave space 23a. May be abutted. Further, a round hole 36a through which the screw 14 can be inserted is formed in the flange 36 at a position adjacent to the screw-in space forming portion 37. In this example,
The sub-spar 23 corresponds to the object A, and the band 35 corresponds to the object B.

In this object connection structure, in order to connect the band 35 to the sub-spar 23 and hold the cable C on the sub-spar 23, the cable C is placed at an arbitrary position in the longitudinal direction of the sub-spar 23. , The band 3 from above the cable C.
5, the threaded space forming portion 37 is inserted into the concave space 23a of the sub-spar 23, and is brought into contact with the wall surface on one side of the concave space 23a. Then, a screw-in space 38 into which the screw 14 is screwed is formed between the wall surface on the other side of the recessed space 23a and the screw-in space forming part 37. Into the screw-in space 38 forcibly. As a result, the band 35 is connected on the child girder 23 at any position in the longitudinal direction thereof, and the cable C
Is held at an arbitrary position in the width direction of the receiving member 21.

Next, an embodiment in which the present invention is applied to a structure in which a cover body 39 is connected to the parent girder 22 of the receiving member 21 will be described with reference to FIGS. 13 and 14, a receiver 21 similar to the receiver 21 shown in FIGS.
Are connected to each other by attaching a connecting member 24 having a constant cross-sectional shape to the parent girder 22 via screws 25, and foreign matters such as dust and water droplets fall on the laying path of the cable C at the upper part of the laying path. A cover 39 having a substantially mountain-shaped roof is mounted to prevent the cover 39 from being damaged. A concave space 22e that opens outward is formed continuously above the main girder 22 in the installation direction. On the other hand, the cover body 39 is formed of a flange bent toward the installation road at both ends in the width direction, and is integrally provided with a threaded space forming portion 40 inserted into the recessed space 22e of the main girder 22. In this embodiment, the parent digit 2
2 corresponds to the object A in the claims, and the cover body 39 corresponds to the object B.

In the connection structure of this object, the cover 3
In 9, the screw-in space 41 into which the screw 14 is screwed is formed by inserting the screw-in space forming portion 40 into the concave space 22 e of the parent girder 22 of the receiving tool 21. Therefore, similarly to the above-described embodiments, if the screw 14 is forcibly screwed into the screw-in space 41, the external thread of the screw 14 is attached to the wall surface on one side of the concave space 22e of the master girder 22 and the cover body 39. The main girder 22 and the screw-in space forming part 4 bite into the wall surface of the screw-in space forming part 40.
0 is fixed, whereby the cover 39 is mounted on the installation path of the receiver 21.

Next, still another embodiment of the present invention will be described with reference to FIGS. In the drawing, a concave groove 52 having a U-shaped cross section with a constant cross section is formed continuously in a predetermined direction on an object 51 as an object A, and two adjacent objects 51 are connected to each other by communicating the concave groove 52. ing. On the other hand, the object 61 as the object B is made of a rectangular plate material, and has a width substantially equal to the width of the concave groove 52 of the object 51 and is formed to have a size that can be fitted into the concave groove 52. Can be fitted into the concave groove 52 of the object 51 across the connecting portion of the object 51. On one side wall of the object 61, two concave cutout spaces 62 arranged in the respective objects 51 are provided. The object 61 is inserted into the concave groove 52 of the object 51.
Is inserted, a screw-in space 63 into which the screw 14 is forcibly screwed is formed between one inner wall surface of the concave groove 52 of the object 51 and an inner wall surface of the cutout space 62 of the object 61. , Respectively.

In this embodiment, a screw-in space 63 into which the screw 14 is screwed by fitting the object 62 into the concave groove 52 of the object 51 at the connection portion between two adjacent objects 51 is formed. In this case, the object 61 is connected to the two objects 51 by simply forcibly screwing the screw 14 into the screw-in space 63, and the adjacent objects 51 are easily connected to each other. Can be. Although two cutout spaces 62 of the object 61 are provided, the present invention is not limited to this, and three or more cutout spaces may be provided, or only one with a larger opening width may be used.

In each of the above embodiments, an application example is shown in which the connecting member 11 is connected to the receiving member 1 or the band 35 for holding the cable C is connected to the sub-spar 23 of the receiving member 21. However, when implementing the present invention, the present invention is not limited to these, and can be widely applied to connection between objects in various fields.

When the object A is applied to a receiver for wiring and piping material comprising a parent girder and a child girder as shown in FIGS. 9 to 14, the parent girder is usually reinforced in the longitudinal direction. A step 22a, a rib, and the like shown in FIG. 10 are formed along the object A using the step 22a, the rib, and the like.
A space into which the screw 14 is screwed can be formed between the object and the object B.

[0039]

As described above, the object connecting structure of the present invention is formed of the objects A and B by combining the objects A and B, and the screws are forcibly screwed. A screw-in space, and an expansion preventing portion provided in the object A and the object B for preventing the screw-in space from expanding when the screw is screwed. Therefore, the object A and the object B can be assembled without the troublesome work of connecting and fixing the mounting holes and the like using a plurality of types of connecting tools such as bolts and nuts as in the related art. The object A and the object B can be freely connected by a simple operation of merely forcibly screwing the screw into the screwing space formed by the joining.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a connection structure between a receiving member and a connection member according to an embodiment of the present invention.

FIG. 2 is a front view of the receiving device of FIG.

FIG. 3 is a plan view showing a connection structure between a receiving member and a connection member of FIG. 1;

FIG. 4 is a perspective view of the connecting member of FIG. 1;

FIG. 5 is a cross-sectional view showing a connection structure between the receiving member and the connection member of FIG. 1;

FIG. 6 is a perspective view of another connecting member of FIG. 1;

FIG. 7 is a perspective view of still another connecting member of FIG. 1;

8 is a cross-sectional view illustrating a connection structure between a receiving member and a connection member using the connection member of FIG. 7;

FIG. 9 is a perspective view showing a connection structure between a receiving member and a connection member according to another embodiment of the present invention.

FIG. 10 is a sectional view of a main part of FIG. 9;

FIG. 11 is an exploded perspective view showing a connection structure between a child girder and a band in FIG. 9;

FIG. 12 is a cross-sectional view showing a connection structure between a child girder and a band in FIG. 11;

FIG. 13 is a front view showing a connection structure between a receiving member and a cover body according to still another embodiment of the present invention.

FIG. 14 is a cross-sectional view of a main part showing a connection structure between the receiving member and the cover body of FIG. 13;

FIG. 15 is a perspective view showing a connection structure of objects according to still another embodiment of the present invention.

FIG. 16 is a plan view showing a connection structure of the objects in FIG. 15;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 21 Receiving tool 2 Installation rail 3 Rail body 11, 31 Connecting member 12 Top plate part 3a, 12a, 22d, 32a Flange 12b Groove 12c, 36a Round hole 13, 33, 37, 40 Screw-in space forming part 14 Screw 15 , 34, 38, 41, 63 Screw-in space 22 Parent girder 23 Child girder 32 Flat plate portion 35 Band 39 Cover body 51, 61 Object 52 Groove groove 62 Notch space

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (Reference) H02G 1/06 313 H02G 1/06 313 3/00 301 3/00 301

Claims (6)

[Claims] 1. A screw-in space formed by combining an object A and an object B with the object A and the object B, into which a screw is forcibly screwed, and provided in the object A and the object B. A connection preventing structure for preventing the screw-in space from expanding when the screw is screwed into the object. 2. The connection structure of claim 1, wherein the screw space into which the screw is forcibly screwed is formed in a groove. 3. The screwing space into which the screw is forcibly screwed is formed by inserting a projection provided on the object B into a wide groove formed on the object A. The object connection structure according to claim 2. 4. The object according to claim 2, wherein the object A is formed of a long object, and a groove into which a screw is forcibly screwed is formed in a longitudinal direction. Connection structure. 5. The object A and the object B are formed of a metal material, and a surface treatment film is formed on a surface thereof.
The connection structure of an object according to any one of the above. 6. The object according to claim 1, wherein the object A is a receiving member for wiring and piping material, and the object B is a connecting member for connecting the receiving member for wiring and piping material. Item 5
The connection structure of an object according to any one of the above.