KR20160147684A - Cable tray - Google Patents

Abstract

The present invention relates to a cable tray comprising: a side plate member, a connection side plate member, a first and a second horizontal elbow member, a connection support, and a hinge member, and being subordinated from a building side by a mutual connection combination thereof, so as to arrange cables installed to an underground ceiling towards a desired longitudinal direction and a changed direction. Moreover, the side plate member of the cable tray is directly connected and hung from a hanger bolt directly connected from a ceiling side without using a cross bar, so work is simplified and a stable connection structure in comparison with construction work is provided due to a weight smaller than that of an existing cable tray made of a steel material. Thus, modification according to the quantity and path arrangement of cables is simple, and the cable try is molded y a fiber reinforced plastic material, so mass production and direct scene installation of a product can be realized.

Description

Cable tray {Cable tray}

The present invention relates to a cable tray, and more particularly, to a cable tray for guiding a cable by supporting the cable, thereby facilitating the setting of the width of the tray according to the number of cables to be installed, By allowing the hanger bolts fixed from the ceiling to be directly connected to the cable tray itself without using the crossbar part supporting the tray, it is possible to reduce the parts of the crossbar and to improve the field installation workability, The present invention relates to a cable tray that is easy to modify and maintain.

Generally, various cables used in buildings such as houses, buildings, factories, etc. are installed and wired in a ceiling, a floor, or a back surface. In order to easily distinguish the various wires from each other, Use a tray.

After installation of the cable tray, the electric wiring equipment must be completed from the initial stage of installation because it is not easy to repair the fault. Especially, the cable tray through which the electric wire is passed must be resistant to corrosion and have sufficient strength, If the tray is broken, the tray may fall to the floor or the wire may be stuck on the bottom, resulting in a disconnection or short circuit.

Generally, a cable tray is composed of a pair of side rails having a predetermined length and located at left and right sides, and a rung coupled at regular intervals between the side plates. Welding method, screw method, and fitting method. In the case of the welding method, since the material thereof is a metal, the weight of the welding method itself is heavy, and it is troublesome to perform hot-dip galvanizing in consideration of corrosiveness thereof, and it is difficult to uniformly secure the uniformity of the welding, , Welding, etc., it is difficult to separate and assemble them, and there is a problem that reuse is almost impossible.

In the case of metal materials, there are many cases where a screw type is adopted. However, there is still a problem of stability and corrosion of the joint, and in order to perform field installation, .

A prior art for solving the above problems is disclosed in Korean Patent No. 10-0716775 entitled " Cable tray coupling structure, date of registration: May 3, 2007, hereinafter referred to as Patent Document) .

In the above cable tray, there is a problem in that the cross bar is fitted in the mechanical strength, and there is a risk that there is a risk of disengagement as the assembly is simple.

In addition, the connection of the side frames is a connecting method in which a plurality of coupling holes are formed on both sides, and a plurality of fixing bolts and nuts are fastened to the coupling frames. In this way, the connection workability of connecting the cable trays in the longitudinal direction is poor. It is pointed out that it is not easy to fasten the fixing bolt and the nut through the coupling hole between the trays at the point where the direction of the cable tray is right angled, inclined or curved.

In addition, since the above-described tray requires the use of a cross bar connected to the hanger bolt while supporting the cable tray separately from the hanger bolts fixed from the ceiling, parts for the cross bar are incidentally inserted into the cable tray Disadvantages are pointed out.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and it is an object of the present invention to provide a tray assembly capable of easily setting a width of a tray according to the number of cables to be installed, By allowing the hanger bolts fixed from the ceiling to be directly connected to the cable tray itself without the use of parts, it is possible to reduce the parts of the crossbar and to improve the workability in the field installation, The present invention is directed to a cable tray.

According to an aspect of the present invention, there is provided a cable tray connected to a ceiling by a plurality of hanger bolts vertically arranged at regular intervals from a ceiling so as to support and sort various cables for a building during a building As a result,

The cable tray includes:

Wherein a first guide groove portion and a second guide groove portion are formed opposite to each other such that both front and rear sides are connected to each other in a continuous manner in the form of a bar having both ends rounded in a semicircular shape, A first connecting shaft portion having an engaging hole and a rotation preventing jaw is formed at the center of the second guide groove portion and a hooking portion which is connected to the hanger bolt through the hanger bolt, A side plate member protruded and formed on at least one side opposite to the side where the hooking portion is formed, the side plates being connected to each other in parallel;

And the third guide groove part and the fourth guide groove part are opposed to each other so that both front and rear sides are selectively connected from the first bearing part and the first connecting side part of the side plate member, The second guide groove portion is formed at its center with a second connecting shaft portion having a coupling hole and a rotation stopping jaw. The second connecting groove portion is formed at one side of the second guide groove portion, A second side plate member protruding laterally from the side plate member and being connected to the side plate member so as to be vertically bent in parallel to each other;

A first connecting portion of the side plate member, a first connecting side portion and a second connecting side portion of the connecting side plate member, and bent in an L-shape so that the direction of the cable laid is oriented in a 90-degree direction in the horizontal direction, The fifth guide groove portion and the sixth guide groove portion are formed to be opposed to each other. A third bearing water bearing portion having a coupling hole and a rotation preventing jaw is formed at the center of the fifth guide groove portion. A first horizontal elbow member and a second horizontal elbow member having a third connecting shaft portion having a protruding jaw and having at least one third lateral protrusion protruding laterally on one side surface thereof;

The first horizontal elbow member and the second horizontal elbow member are connected and fixed to the first through the third fixing members to connect the side plate member, the connecting side plate member, the first horizontal elbow member and the second horizontal elbow member, and the side plate member, the connecting side plate member, A connection support for supporting a cable positioned in the second horizontal elbow member;

And a hinge member penetratingly connected to the side plate member, the connecting side plate member, the first to third bearing portions of the first and second horizontal elbow members, and the coupling holes of the first to third connection shaft portions, respectively .

The side plate member according to the present invention is manufactured to have a length of 600 to 1000 mm, and the connecting side plate members are manufactured to have a length of 200 to 300 mm, and are connected and assembled so as to be turned in a vertical direction in the horizontal section.

The side plate member, the connecting side plate member, the first horizontal elbow member, the second horizontal elbow member, and the connecting support according to the present invention are formed of a fiber-reinforced plastic material having strength, impact resistance and corrosion resistance.

The second horizontal elbow member according to the present invention is formed with different lengths and is connected and assembled with the first horizontal elbow member in accordance with the width of the side plate members facing each other. The inner horizontal surface of the L- And an auxiliary supporting jaw for reinforcing the twist is further formed.

The rotation preventing jaw according to the present invention is formed in three directions at the first to third shaft receiving portions and the first to third connecting shaft portions and is guided by each other and the rotation preventing jaw is guided between the rotation preventing jaws, And is connected within a rotation angle range of 40 degrees.

The cable tray according to the present invention comprises a side plate member, a connecting side plate member, a first horizontal elbow member and a second horizontal elbow member, a connecting support and a hinge member, It is possible to arrange the hanger bolts directly connected from the ceiling side by hanging the side plate members of the cable tray directly without using the cross bar, Compared to the cable tray, it is light in weight and easy to work compared to the construction work. It provides a cable tray with a more stable connection structure and it is easy to modify according to the quantity and route of cables. By molding with fiber reinforced plastic material, And offers the advantage of direct on-site installation.

1 is a perspective view showing a cable tray according to the present invention,
2 is a perspective view showing a connection state of a cable tray according to the present invention,
3 is a front view showing the installation state of the cable tray according to the present invention,
FIG. 4 is a side view showing an installation state of a cable tray according to the present invention, FIG.
FIG. 5 is an enlarged view showing a connection state of the side plate member and the connecting side plate member of the cable tray in FIG. 4;
FIG. 6 is a side cross-sectional view illustrating an assembled state of the connection support according to the present invention,
FIG. 7 is a plan view illustrating an installation state of a cable tray according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications may be present.

A cable tray connected by hanger bolts (B) vertically arranged at regular intervals from a ceiling so as to support and sort various cables to be used for a building in a ceiling,

1 to 7, the cable tray 100 includes a side plate member 10, a connecting side plate member 20, a first horizontal elbow member 30A excluding the hanger bolts B, And a second horizontal elbow member 30B, a connecting support 40 and a hinge member 50. [

The side plate member (10)

Shaped first and second guide groove portions 11 and 13 are formed opposite to each other such that both front and rear sides are connected to each other in a continuous manner.

A first bearing portion 12 having a coupling hole 12a and a rotation preventing portion 12b is formed at the center of the first guide groove portion 11 and a second bearing portion 12 is formed at the center of the second guide groove portion 13, 14a and the rotation preventing tab 14b are formed.

A hook 15 is formed on one side of the longitudinal direction to receive the hanger bolt B and to be connected as a fastening nut N. A hook 15 is formed on the opposite side of the hook 15, 16 are laterally projected and connected to each other in parallel.

The connecting side plate member (20)

Shaped front end portion 12 of the side plate member 10 and a first connecting side portion 14 of the side plate member 10 in the form of a bar having both ends rounded in a semicircular shape, The groove portion 21 and the fourth guide groove portion 23 are opposed to each other and a second bearing portion 22 having a coupling hole 22a and a rotation prevention tongue 22b is formed at the center of the second guide groove portion 21 A second connecting shaft portion 24 having a coupling hole 24a and a rotation stopping jaw 24b is formed at the center of the second guide groove portion 23 and one or more second fastening portions 26 And is vertically bent and connected to the side plate member 10 in parallel to each other.

The side plate member 10 is manufactured to have a length of 600 to 1000 mm and the connecting side plate member 20 is manufactured to have a length of 200 to 300 mm and vertically connected and assembled so as to be turned in accordance with the bending section.

On the other hand, the first horizontal elbow member 30A and the second horizontal elbow member 30B,

The direction of the cable C that is selectively connected to the first bearing portion 12 of the side plate member 10, the first connecting side portion 14 and the second connecting side portion 24 of the connecting side plate member 20 The fifth guide groove 31 and the sixth guide groove 33 are formed on opposite sides of the fifth guide groove 31 so as to face the first guide groove 31 in the horizontal direction. And a third bearing receiving portion 32 having a coupling hole 32a and a rotation preventing jaw 32b at the center thereof and having a coupling hole 34a and a rotation preventing pin 34b at the center of the sixth guide groove 33, 3 connecting shaft portion 34 and one or more laterally protruding third securing portions 36 are formed on one side surface thereof.

The second horizontal elbow member 30B is formed with different lengths to be connected and assembled with the first horizontal elbow member 30A in accordance with the width of the side plate member 10 facing each other, (35) for supporting the bending portion (C) and reinforcing the twist of the bent portion.

The rotation preventing tails 12b, 22b, 32b (14b, 24b, 34b) of the side plate member 10, the connecting side plate member 20, the first horizontal elbow member 30A and the second horizontal elbow member 30B 22b, 32b and the first to third connection shaft portions 14, 24, 34. The first to third connection shaft portions 14, The rotation stoppers 14b, 24b, and 34b are guided and connected within a rotation angle range of 10 to 40 degrees from the hinge member 50 as a starting point.

The connection support (40)

Both ends of the side plate member 10, the connecting side plate member 20, the first horizontal elbow member 30A and the second horizontal elbow member 30B are fixed to the first to third fixing portions 16, And can support a cable C laid in the side plate member 10, the connecting side plate member 20, the first horizontal elbow member 30A and the second horizontal elbow member 30B.

The connection support 40 is formed in the shape of a bar and both ends of the connection support 40 are further protruded with a groove 41 having a groove 41a at the bottom thereof and the first to third The guide portions 16, 26 and 36 are formed with guiding grooves 16a, 26a and 36a which are open at the upper portion so that both sides of the fitting portion are forcibly inserted and supported. The grooves 41a of the fitting portion 41 are in contact with each other And hooking jaws 16b, 26b, and 36b for preventing the connection support 40 from deviating leftward and rightward are protruded from the first to third fastening portions so as to be assembled.

On the other hand, the hinge member (50)

22 and 32 of the side plate member 10, the connecting side plate member 20, the first and second horizontal elbow members 30A and 30B, and the first to third connecting shaft portions 20, 24a and 34a of the coupling holes 12a and 24a and 34a of the coupling holes 12a and 24a and 34a, And 34a are connected to each other by a connection shaft 52 which is guided by the coupling hole and is fastened to the fastening screw.

The side plate member 10, the connecting side plate member 20, the first horizontal elbow member 30A, the second horizontal elbow member 30B and the connection support 40 constituting the cable tray 100 according to the present invention Strength, impact resistance and corrosion resistance.

The construction of the cable tray according to the present invention will be described below.

The cable tray according to the present invention is formed by injection molding unlike a product made of a metal material, which is advantageous for direct ordering and on-site installation.

The side plate members constituting the cable tray 100 can be connected in a long and continuous manner as long as they can be manufactured to have a length of 600 to 1000 mm in construction, The first bearing portion 12 formed on one side is connected to the first connecting side portion 14 on the side of the other side plate member 10 and the hinge member 50 is rotatably fastened through the coupling hole 12a, You can connect to the required length.

The side plate members 10 thus connected face each other with a required width. In the first fixing part 16 formed on the side plate members 10, both ends of the coupling support 40 are coupled to each other as shown in FIG. 5 do.

The coupling support 40 is engaged with the guide groove 16a of the first fixing part 16 in a state where the groove 41a on the side of the fitting part 41 is positioned downward, The groove 41a of the fitting part 41 is inserted into the hooking protrusion 16b formed in the first fixing part 16 at the same time as the insertion of the fitting part 41 into the guide groove 16a When the opposite side is connected in the same manner as described above, the connection support 40 can fix the left and right side plate members 10 to be parallel to each other in parallel.

The side plate member 10 is continuously fixed to the coupling hole 12a of the side plate member 10 by the coupling screw 40 and the fastening screw 51 constituting the hinge member 50 and the connecting shaft 52, The side plate members 10 can be continuously extended by the hinge fastening structure.

This configuration provides a cable tray 100 that can be connected as shown in FIG. 2 to lay cables.

In this state, the hanging part 15 provided at the outer side of the side plate member 10 is passed through the end part of the hanger bolt B one end of which is fixed to the ceiling, and the hanging part 15 So as to horizontally connect and support the cable tray 100.

The connecting side plate member 20 having a short length is formed on the second connecting shaft portion 14 of the side plate member 10 with respect to the other obstacle or the crossed cable tray 100 following the connection of the side plate members 10, The second bearing portion 22 of the third guide groove portion 21 is aligned to connect the hinge member 50 to the connection support member 40. In this state, as shown in FIG. 5, the connecting side plate members connected to the side plate members are connected at an angle of inclination without forming a right angle.

If another connecting side plate member is connected to the connecting side plate member in the above-described state, it can be positioned in a vertical direction close to a right angle.

That is, the connection of the connection side plate member 20 may be extended by one or more lengths depending on the length of the cable C to be laid, and the fourth guide groove portion 23 of the connection side plate member 20 The first bearing portion 12 of the side plate member 10 or the third bearing portion 32 of the first horizontal elbow member 30A and the second bearing portion 30B of the second horizontal elbow member 30B And the direction in which the cables are arranged can be set by connecting and assembling the side plate members again.

Here, the hinge member 50 is connected to the side plate members 10 in the same manner as the connecting method of the side plate members 10 through the matching holes 22a and 24a.

The connecting plate members 20 are connected to each other as a connecting supporter 40 through the second fixing unit 26 while facing each other and are connected by the hinge member 50 as described above, To switch the direction of the cable (C) to be turned up or down.

On the other hand, the first horizontal elbow member 30A and the second horizontal elbow member 30B constituting the cable tray 100 of the present invention are constituted by a set of the first horizontal elbow member and the second horizontal elbow member, Selectively connected to the first bearing portion 12 of the side plate member 10, the first connecting side portion 14 or the second connecting side portion 24 of the connecting side plate member 20 with respect to the continuously connected side plate member 10 So that the direction of the cable C to be laid can be switched from the horizontal direction to the 90 degree direction so as to be laid.

The first horizontal elbow member 30A and the second horizontal elbow member 30B are formed in a long L-shape having a short bent length and are provided on both sides thereof with a third bearing portion 32 Is connected to the hinge member 50 in a state in which it is aligned with the first connecting shaft portion 14 of the side plate member 10 or the second connecting shaft portion 24 of the connecting side plate member 20, The hinge member 50 can be connected to the third connecting shaft portion 34 of the first and second connecting members 34 and 33 through the coupling hole 34a to extend the cable C to support the cable.

Meanwhile, the cables C laid between the first horizontal elbow member 30A and the second horizontal elbow member 30B are arranged in a bundled manner, and they are connected to the third fixing unit 36 And the cable C is positioned at the upper part of the connection support 40 and partly placed on the upper surface of the auxiliary support jaw 35 formed between the bent portions of the second horizontal elbow member 30B, .

As described above, the mutual organic connection between the side plate member and the side plate member, the connecting side plate member and the connecting side plate member, the side plate member and the connecting side plate member, the connecting side plate member and the first horizontal elbow member 30A and the second horizontal elbow member 30B The rotation angle ranges can be limited by the rotation stoppers 12b, 22b, 32b (14b, 24b, 34b) formed by dividing the connection points in three directions starting from the hinge member 50. [

Which are guided in mutually corresponding relation between the rotation preventing tines 12b, 22b, 32b according to the connection of the side plate member, the connecting side plate member, the first horizontal elbow member 30A and the second horizontal elbow member 30B, (14b, 24b, 34b) is prevented from rotating within a rotation angle range of 10 to 40 degrees from the hinge member (50), thereby providing a sufficient flow angle for connection.

The above-mentioned point also provides favorable workability in assembling installation of connecting cable trays sequentially and disassembling corresponding portions of cable trays.

In addition, the allowable flow angle to the connection point of the cable tray as described above can consider the direction in which the cables are arranged, and particularly, in the case of the row arrangement of the side plate members, the rotation stoppers 12b, 22b, 32b and the rotation stoppers 14b, 24b And 34b are in contact with each other to distribute the load received by the hinge member 50 in the horizontal direction. This has the effect of reducing the number of fastening operations and parts in the connecting portion as in the conventional case.

The side plate member 10, the connecting side plate member 20, the first horizontal elbow member 30A, the second horizontal elbow member 30B, and the connecting support 40 constituting the cable tray according to the present invention have strength, The second horizontal elbow member 30A and the first horizontal elbow member 30A can be manufactured in a large quantity and can be manufactured in the second Only the replacement of the horizontal elbow member 30B makes it possible to easily perform maintenance such as field installation and correction work due to parts or direction change.

As described above, the present invention has been described with reference to particular embodiments, such as specific elements, and specific embodiments and drawings. However, it should be understood that the present invention is not limited to the above- And various modifications and changes may be made thereto by those skilled in the art to which the present invention pertains.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

10: side plate member 11: first guide groove
12:
12a, 14a, 22a, 24a, 32a, 34a:
12b, 14b, 22b, 24b, 32b, 34b:
16a, 26a, 36a: guide groove 16b, 26b, 36b:
13: second guide groove portion 14: first connecting shaft portion
15: hook portion 16: first barge portion
20: connecting side plate member 21: third guide groove
22: second bearing section 23: fourth guide groove
24: second connecting shaft part 26: second fastening part
30A: a first horizontal elbow member 30B; The second horizontal elbow member
31: fifth guide groove part 32: third axis number part
33: sixth guide groove portion 34: third connecting shaft portion
40: connection support 41:
41a: groove 50: hinge member
51: fastening screw 52: connecting shaft
B: Hanger Bolt C: Cable
N: Clamping nut

Claims (5)

A cable tray connected by hanger bolts (B) vertically arranged at regular intervals from a ceiling so as to support and sort various cables to be used for a building in a ceiling,
The cable tray (100)
Shaped first guide groove portion 11 and a second guide groove portion 13 are opposed to each other such that both front and rear sides are connected to each other in a continuous manner, A first bearing portion 12 having a coupling hole 12a and a rotation prevention pin 12b is formed at the center of the first guide groove 11 and a coupling hole 14a and a rotation prevention pin 14b And a hooking part 15 is formed at one side of the hooking part 15 to receive the hanger bolt B and to be connected as a fastening nut N. The hooking part 15 has a hooking part 15, A side plate member 10 having one or more laterally protruding first side fixing portions 16 connected to each other in parallel with each other;
Shaped front end portion 12 of the side plate member 10 and a first connecting side portion 14 of the side plate member 10 in the form of a bar having both ends rounded in a semicircular shape, The groove portion 21 and the fourth guide groove portion 23 are opposed to each other and a second bearing portion 22 having a coupling hole 22a and a rotation preventing portion 22b is formed at the center of the second guide groove portion 21 A second connecting shaft portion 24 having a coupling hole 24a and a rotation stopping jaw 24b is formed at the center of the second guide groove portion 23 and one or more second fastening portions 26 A connecting side plate member 20 protruding transversely and connected to the side plate member 10 so as to be vertically bent in parallel to each other;
The direction of the cable C that is selectively connected to the first bearing portion 12 of the side plate member 10, the first connecting side portion 14 and the second connecting side portion 24 of the connecting side plate member 20 The fifth guide groove 31 and the sixth guide groove 33 are formed on opposite sides of the fifth guide groove 31 so as to face the first guide groove 31 in the horizontal direction. And a third bearing receiving portion 32 having a coupling hole 32a and a rotation preventing jaw 32b at the center thereof and having a coupling hole 34a and a rotation preventing pin 34b at the center of the sixth guide groove 33, A first horizontal elbow member 30A and a second horizontal elbow member 30B formed on one side surface thereof with a third connecting shaft portion 34 and one or more laterally protruding third fixing portions 36;
Both ends of the side plate member 10, the connecting side plate member 20, the first horizontal elbow member 30A and the second horizontal elbow member 30B are connected and fixed to the first to third fastening portions 16, And a connection support 40 for supporting a cable C positioned in the side plate member 10, the connecting side plate member 20, the first horizontal elbow member 30A and the second horizontal elbow member 30B, Wow;
The first to third bearing portions 12, 22, 32 of the side plate member 10, the connecting side plate member 20, the first and second horizontal elbow members 30A, 30B, And a hinge member (50) penetratingly connected to the coupling holes (12a, 24a, 34a) of the shaft portions (14, 24, 34). The method according to claim 1,
The side plate member 10 is manufactured to have a length of 600 to 1000 mm and the connecting side plate member 20 is manufactured to have a length of 200 to 300 mm and vertically connected and assembled so as to be turned in accordance with the bending section Cable tray. The method according to claim 1,
The side plate member 10, the connecting side plate member 20, the first horizontal elbow member 30A, the second horizontal elbow member 30B and the connecting support 40 are made of fiber reinforced plastics having strength, Wherein the cable tray is formed of a material. The method according to claim 1,
The second horizontal elbow member 30B is formed with different lengths to be connected and assembled with the first horizontal elbow member 30A in accordance with the width of the side plate member 10 facing each other, (35) for supporting the cable (C) and reinforcing the twist of the bent portion. The method according to claim 1,
The rotation stop pins 12b, 22b and 32b (14b, 24b and 34b) are connected to the first to third shaft receiving portions 12, 22 and 32 and the first to third connecting shaft portions 14, And the rotation stoppers 14b, 24b and 34b are guided between the rotation stoppers 12b, 22b and 32b so as to be guided within the rotation angle range of 10 to 40 degrees from the hinge member 50 Wherein the cable tray comprises:

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