KR20170100094A

KR20170100094A - Calbe tray

Info

Publication number: KR20170100094A
Application number: KR1020160021959A
Authority: KR
Inventors: 하경도
Original assignee: 주식회사 케이에스이엔지
Priority date: 2016-02-24
Filing date: 2016-02-24
Publication date: 2017-09-04
Also published as: KR101869286B1

Abstract

The present invention relates to a cable tray that is stable, robust, and improved in assembling workability.
The present invention relates to a tray main body having a tray main body having a plurality of lower crossbars joined at regular intervals between left and right tray panels extending in a predetermined length, and a pair of tray main bodies arranged in a pair, And a rack member coupled to the joint member and supporting the tray main body at a predetermined height with respect to the mounting surface, wherein the joint member includes a pair of left and right tray panel outer surfaces And a pedestal having both ends connected to a lower end of each of the left and right joint plates and having a bent support end formed at a front end and a rear end of the left and right joint plates, A support rack inserted between the support ends and coupled to the pedestal, Is upwardly projecting from the sides and being in close contact with the outer surface of the joint plate comprises an extending gripping parts for supporting the joint plate.

Description

Cable tray {Calbe tray}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable tray, and more particularly, to a cable tray that is stable, robust, and has improved assembling workability.

Generally, cables, pipes (hereinafter collectively referred to as " cables ") of various diameters for supplying power supply or fluid are arranged along a floor, a wall and a ceiling in a factory, a building, Calbe Tray) protects the cable from external environment by accommodating the cables to be installed in the inside, and installs it for the purpose of preventing degradation of aesthetics due to external exposure of cable and solving safety and inconvenience of passengers and workers. .

The cable tray generally includes a tray main body having a predetermined length and receiving and supporting the cables, and a connection supporting member for supporting the tray main body at a predetermined height from the bottom surface of the tray while interconnecting a plurality of the tray main bodies arranged side by side And as an example of a known configuration, there are Registration No. 10-0929041, Registration Practical Utility Model No. 20-0451568, and the like.

However, in the known cable tray according to the related art, since the connecting portion and the supporting portion of the tray main body are integrated, the workability of the assembly is improved, but the strength of the boundary portion where the connecting portion and the supporting portion meet is weak There is a problem in that a stable and firm support to the tray body becomes difficult due to the occurrence of warping when various external forces are repeatedly applied, such as an operator stepping on the tray body. Thus, a thicker plate is used to reinforce the strength As a result, not only the manufacturing cost is increased due to the increase of the material cost but also the weight is increased, so that another problem that the transportation and installation work becomes relatively difficult is caused.

In addition, in the structure of the tray main body, since the lower cross bar is coupled to the tray panel through the piece fastening, the assembling work is inconvenient, and the head portion of the piece fastened to the outside of the tray main body is exposed.

Registration No. 10-0929041 (Date of Publication: November 26, 2009) Registered Utility Model No. 20-0451568 (Announcement date: December 22, 2010)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a cable tray capable of maintaining a stable and firmly supported state of a tray main body by improving a connection supporting structure for coupling the tray main bodies to each other, .

It is another object of the present invention to provide a cable tray which can improve the assembling workability of the tray main body and make the appearance more beautiful by improving the fastening structure of the lower crossbar connecting the lower portion of the tray main body to the left and right.

In order to achieve the above object, according to the present invention,

A tray body having a plurality of lower crossbars joined at regular intervals between left and right tray panels extending in a predetermined length, a joint member for interconnecting a pair of tray bodies arranged in parallel to each other, And a rack member coupled to the joint member and supporting the tray main body at a predetermined height with respect to the mounting surface, wherein the joint member is in close contact with the outer side surfaces of the right and left tray panels of the pair of tray main bodies, And a pedestal having both ends connected to a lower end of each of the right and left joint plates and having a folding support end formed at a front end and a rear end of the left and right joint plates respectively and the rack member has an upper end inserted into the folded end of the joint member A support rack coupled to the pedestal, and an upper protrusion And an extension support piece for supporting the joint plate by being brought into close contact with the outer surface of the joint plate.

Each of the left and right tray panels has a pair of through holes formed at a lower end of each of the left and right tray panels, A pair of fastening protrusions may be formed so as to protrude downward after they pass through a pair of balls downwardly and then bend closely to the bottom surface of the lower bent portion by pressing.

Further, the tray main body further includes a plurality of upper crossbars coupled to the left and right tray panels at regular intervals, wherein upper ends of each of the left and right tray panels are bent at an upper bent end in mutually opposing inner directions, And a pair of fitting grooves are formed at the folding ends at predetermined intervals in the front and rear direction. The upper crossbars have a pair of fitting pieces whose lateral left and right ends are fitted to the pair of fitting grooves laterally, And a support piece that is bent in a direction facing each other at a position spaced apart from the opposite ends of the fitting member by a predetermined distance in opposite directions from the left and right sides of the fitting member, .

According to the cable tray according to the present invention,

First, since the joint structure between the joint member and the rack member is improved, the joint member and the rack member can be easily engaged with each other, and at the same time, lateral support force and strength of the tray panel can be greatly improved, .

In addition, since the installation work of the lower cross bar and the upper cross bar is simplified, the assembling workability is improved and the appearance of the unnecessary part is minimized.

Further, since the thickness of the components constituting the cable tray can be minimized according to the improvement of the overall supporting force and strength, it is possible to manufacture relatively lightly while reducing manufacturing cost, thereby facilitating transportation and facilitating installation.

It is to be noted that, in addition to the effect specifically described above, a specific effect that can be easily derived and expected from the characteristic configuration of the present invention can also be included in the effect of the present invention.

1 is a view illustrating a cable tray according to an embodiment of the present invention,
2 is a view illustrating a state before the lower crossbar and the lower bending end are coupled,
3 is a view illustrating a state in which the lower crossbar is coupled to the lower folded end,
4 is a view illustrating a state before the upper crossbar and the upper bending end are engaged,
5 is a view illustrating the joint member and the rack member in a separated state,
6 is a view illustrating a state where the joint member and the rack member are coupled to the tray panel.

Hereinafter, preferred embodiments of a cable tray according to the present invention will be described in detail with reference to the accompanying drawings.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are intended to provide further explanation of the invention to those skilled in the art, It should be noted that the present invention can be reduced or exaggerated for the sake of simplicity.

It should also be noted that in describing an embodiment, when an element is described as being "formed", "connected", "installed", "coupled", or "fixed" May be directly formed, connected, installed, coupled or fixed, but it should be understood that there may be other components in between.

In addition, when describing the embodiments, in the case where it is judged that technical characteristics of the present invention may be unnecessarily blurred as a matter known to those skilled in the art, such as known functions and configurations well known in the art, Description thereof will be omitted.

1 to 6 illustrate the construction and installation of a cable tray according to an embodiment of the present invention. As illustrated in the drawings, a cable tray according to an embodiment of the present invention includes a tray A body, an joint member 40, and a rack member 50. [

First, the tray main body is a main body of a cable tray in which a cable is accommodated along the inside thereof. The tray main body includes a tray panel 10, a lower crosspiece 20, and an upper crosspiece 30 as illustrated in FIG. have.

The tray panel 10 is formed in a substantially rectangular shape extending in a longitudinal direction in a longitudinal direction.

The left and right tray panels 10 are disposed in parallel to each other. The tray panels 10 are arranged side by side with a predetermined distance therebetween. The left and right tray panels 10 are arranged side by side. And the upper cross bar 30 constitutes the tray main body.

At the lower end and the upper end of each of the left and right tray panels 10, a lower folding end 11 and an upper folding end 12 may be formed in a mutually facing inner direction.

A pair of through holes 13 for connecting the lower cross bar 20 to be described later may be formed at predetermined intervals in the forward and backward direction at the lower bending end 11. At the upper bending end 12, A pair of fitting grooves 14 for engaging the upper cross bar 30 may be formed at regular intervals in the forward and backward directions.

The lower crossbars 20 are coupled to lower ends of the left and right tray panels 10 spaced apart from each other by a predetermined distance so as to support the left and right tray panels 10 and support the cable installed inside the tray body .

As shown in FIG. 1, the lower crossbars 20 may be arranged at regular intervals along the longitudinal direction of the left and right tray panels 10.

2, a pair of through-holes 13 formed in the lower bent end 11 can be passed through both left and right ends of the lower cross bar 20 to be coupled with the tray panel 10 A pair of fastening protrusions 21 may be formed so as to protrude downward.

As shown in FIG. 3, the pair of fastening protrusions 21 are bent and pressed against the bottom surface of the lower folded end 11 by being pushed through the pair of through holes 13, (10).

According to the above-described joint structure of the lower crossbar 20, when the fastening protrusion 21 is fitted to the through hole 13 and then the fastening protrusion 21 is pressed and bent by a hammer or the like, Since the joining of the panel 10 is completed, the joining operation becomes very simple and easy compared with the operation through the conventional piece fastening. Further, conventionally, the left and right ends of the lower cross bar 20 are inserted into the inside of the tray panel 10 Since the head of the piece fastened to the outside of the tray panel 10 is directly exposed, the aesthetics of the tray body deteriorate. However, in the case of the joining structure of the present lower cross bar 20, 10, the outer appearance of the tray main body is improved as well.

1, the upper cross bar 30 is coupled to an upper end portion between the left and right tray panels 10 to support the left and right tray panels 10, So that the coupling is performed.

4, the upper cross bar 30 is inserted into a pair of fitting grooves 14 formed in the upper bent section 12 so that both ends of the upper cross bar 30 are inserted laterally A pair of fitting pieces 31 are formed so as to be bent downward at the front and rear ends, respectively.

The upper cross bar 30 is formed such that when the insertion piece 31 is fitted in the fitting groove 14, the seat piece 32, which is seated on the upper bent end 12, And a support piece 33 engaged with an end of the upper bent end 12 when the fitting piece 31 is fitted is formed to protrude from the opposite left and right ends of the fitting piece 31 to opposite sides of the seat piece 32 And may be formed to be bent in a direction opposite to each other at a position spaced apart by a certain distance in the direction.

The upper cross bar 30 having such a configuration is provided with the support pieces 33 bent in the fitting piece 31 when a pair of fitting pieces 31 are laterally inserted into a pair of fitting grooves 14 formed in the upper bent portion 12, The upper support force of the left and right side tray panels 10 can be enhanced while the side support force is provided between the left and right side tray panels 10 by hanging on the end of the upper bent edge 12.

As described above, a separate cover plate (not shown), such as a conventional cable tray, may be coupled to the upper cross bar 30 coupled to the upper portion of the left and right tray panels 10.

A plurality of the tray main bodies having the above-described structure are connected to each other to form a cable tray according to the present invention. The joint member 40 includes a pair of tray main bodies arranged in a pair in parallel to each other, It functions to interconnect.

This joint member 40 may be configured to include left and right joint plates 41 and a pedestal 42 as illustrated in FIG.

The left and right joint plates 41 are in close contact with the outer surfaces of the left and right tray panels 10 of the respective pair of tray bodies arranged and are coupled to the left and right tray panels 10 through piece fastening.

Therefore, the joint plate 41 may be formed with a fastening hole 41a for fastening a piece to the tray panel 10. Two fastening holes 41a may be formed on the upper and lower sides, And may be formed in various numbers within the scope of the design change.

The pedestal 42 extends laterally and is connected to the lower ends of the left and right joint plates 41 so that the left and right joint plates 41 are integrated.

The bending support end 43 may be formed at the front end and the rear end of the support 42. When the support end 43 is formed in this way, the support strength of the support 42 is increased, The support rack 51 of the rack member 50 to be described later can be inserted and coupled into the bending support end 43 so that the coupling strength with the rack member 50 can also be improved.

The rack member 50 has a function of supporting the tray body connected to the joint member 40 and connected to each other at a predetermined height with respect to the mounting surface.

The rack member 50 may include a support rack 51 having a predetermined length as illustrated in FIG. 5 and an extension support piece 52 formed to protrude upward from the support rack 51 .

As shown in FIG. 5, the support rack 51 may have a structure in which a plate member having a predetermined length is bent in a " C " shape similar to the conventional structure, and may be formed by a rack member 50 A height adjusting piece 53 may be additionally provided at the lower end for adjusting the supporting height.

The upper end of the supporting rack 51 is inserted into the bending support end 43 of the joint member 40 and then is fastened to the pedestal 42 to be engaged with the joint member 40.

The extended support piece 52 may be formed integrally with the support rack 51 so as to protrude upwards from the upper end of the support rack 51 by a predetermined height.

When the support racks 51 are inserted between the bending support ends 43 and fixedly coupled to the pedestal 42, the extended support pieces 52 are connected to the joint plate (not shown) coupled to the tray panel 10 41), thereby supporting the joint plate (41).

According to the configuration in which the joint member 40 is coupled to the tray panel 10 and the rack member 50 is coupled to the joint member 40 as described above, As the joint plate 41 is engaged, each of the joined joint plates 41 is integrally connected to each other through the pedestal 42, thereby providing a firm supporting force to the left and right tray panels 10.

Particularly, since the double support structure is formed by the extension support piece 52 of the rack member 50 being closely attached to the outer side surface of the joint plate 41 coupled with the tray panel 10, So that the thickness of the joint member 40 and the rack member 50 itself can be minimized while maintaining the rigid state of support while preventing the occurrence of warping and the like as in the conventional structure.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the technical scope of the invention is not limited to the disclosed exemplary embodiments and drawings, It will be understood that the modified equivalent structure is not limited to the scope of the present invention.

The main parts of the accompanying drawings are as follows.
10: tray panel 11:
12: upper bending stage 13: through hole
14: fitting groove 20: lower crossbar
21: fastening protrusion 30: upper rail
31: fitting piece 32: seat fitting piece
33: support piece 40: joint member
41: joint plate 42: pedestal
43: folding support end 50: rack member
51: support rack 52:

Claims

A tray main body having a plurality of lower crossbars (20) joined at regular intervals between left and right tray panels (10) extending in a predetermined length, and a pair of tray main bodies And a rack member (50) for supporting the tray body connected to the joint member (40) and connected to each other at a predetermined height relative to the mounting surface,
The joint member 40 includes left and right joint plates 41 which are tightly fitted to the outside surfaces of the left and right tray panels 10 of the respective pair of tray bodies arranged, And a pedestal (42) having a bending support end (43) formed at the front end and the rear end, respectively,
The rack member 50 includes a support rack 51 whose upper end is inserted between the bending support ends 43 of the joint member 40 to be coupled to the support 42, And an extension support piece (52) which protrudes to be in close contact with the outer surface of the joint plate (41) to support the joint plate (41).

The method according to claim 1,
A pair of through holes 13 are formed in the bottom folding end 11 at predetermined intervals in the front and back directions, respectively, at the lower ends of the left and right tray panels 10, ,
A pair of fastening protrusions 21 are formed on both left and right ends of the lower cross bar 20 so as to be downwardly protruded from the bottom of the lower bent end 11 by being pushed downward by a pair of the through holes 13 Wherein the cable tray comprises:

3. The method according to claim 1 or 2,
The tray main body further includes a plurality of upper crossbars (30) coupled at regular intervals between the left and right tray panels (10)
Each of the left and right tray panels 10 is provided at its upper end with an upper bent end 12 bent in a mutually opposing inner direction and a pair of fitting grooves 14 are formed at the upper bent end 12 at regular intervals ,
The upper crossbar 30 includes a pair of fitting pieces 31 whose lateral ends are fitted sideways in a pair of the fitting grooves 14 and a pair of upper fitting pieces 31 projecting in the longitudinal direction at both left and right ends of the fitting piece 31, 12 at a position spaced a certain distance in the opposite direction of the seat piece 32 from both left and right ends of the fitting piece 31 so that the fitting pieces 31 , And a support piece (33) which is hooked on an end of the upper bent end (12) when the cable is inserted.