KR100190421B1 - Cable duct - Google Patents

Abstract

The present invention relates to a trench for laying a wire, wherein a plurality of trenches A are connected in a branched manner through a side wall of a rectangular connecting port 40 so that a wire 70 is branched in each direction , The trough (A) is integrally formed with a partition wall (14) in the longitudinal direction so as to partition and accommodate electric wires therein, legs (90) are integrally formed at predetermined positions on the bottom surface, A trough main body 10 having a branch hole 81 for passing a wire through a lower surface and a drain hole 15 for drainage at a predetermined position; A boss 83 which is guided by the branch hole 15 and formed with a threaded portion on the outside in order to penetrate and fix the electric wire received from the outside, a nut 84 fixedly fastened to the boss 83 to fix the electric wire, And a lid (86) fitted to the outside of the nut (84) to seal the branch hole (81) when not in use; A main body lid 20 having a fitting groove 25 formed in a reinforcing rib 22 provided at both ends of the bottom surface and at the center side so as to be coupled to the top surface of the trough main body 10; A strong anchor 60 installed at one end of the bottom or side wall when the gutter main body 10 is connected to the connection port main body 41 to absorb thermal expansion and contraction of the main body; And a rubber fixture 16 for supporting the electric wire 80 fixedly installed on the inner surface of the trough main body 10 and supporting the electric wire 80. The object of the present invention is to provide an electric wire The opening and closing of the lid of the main body, the installation of the gutter and the breaking of the branch line are facilitated and the electric wire is damaged by the vibration friction or the thermal expansion to prevent the breakage,

Description

Gutter for wire installation

FIG. 1 is a perspective view showing a connector according to the present invention,

FIG. 2 is an exploded perspective view showing the trough of the present invention,

FIG. 3 is a sectional view of a coupled state of a trough and a connector according to the present invention,

FIG. 4 is a state of use of the connector according to the present invention,

FIG. 5 is a view showing a state in which an electric wire installation hole is provided in the trough main body according to the present invention;

6 is a plan view of the trough main body in which the main body lid of the present invention is removed,

FIG. 7 is an assembled cross-sectional view of a wire installation tool of the present invention,

8 (a) to (b) are diagrams showing a strong anchor and an installation state of the present invention.

DESCRIPTION OF THE REFERENCE NUMERALS

10: trough body 20: body lid

30: Clamp 40: Connector

50: End cap 60: Strong anchor

70: wire 80: branch line mechanism

90: Leg

The present invention relates to a trough for laying a wire, and more particularly, to a trough for installing a wire for protecting a wire when a wire is installed in an open air, and a diagonal tube when the installation direction of the wire is changed or diverged , A structure in which branch wires can be branched easily from the outside with respect to the straight pipe, and the wire can be prevented from being disconnected at the time of contraction due to peeling of the cover due to vibration friction or wire tangling due to thermal expansion. To a trench for laying a wire.

In general, electric wires installed on both sides of a railway, such as electric wires, are easily damaged when they are exposed to sewage and the like. In particular, in the case of a high-voltage electric wire, a safety accident occurs. In order to prevent damage and safety accidents, it is necessary to protect the wires from rainwater.

Therefore, in order to provide such protection, there is a utility model registration application No. 94-6101 filed by the applicant of the present invention, but this technique is shown only for a straight-type trough main body, so that the direction of the wire is diverted or diverged in various directions It was difficult to open the lid when the lid of the main body installed in the middle was connected in a state where a plurality of the main bodies were connected to each other and it was also difficult to open the lid from the main wire attached to the inside of the main body, There has been a problem in that the branches can not be branched laterally or downwardly.

In addition, in the conventional trough main body, the covering of the electric wire is worn out due to the friction between the electric wire and the main body due to the vibration of the surroundings, and when a plurality of electric wires are installed in one space, In the state where the temperature is rapidly increased as in the summer, the electric wires installed inside the gutter main body undergo a lot of expansion and contraction. When the electric wires are expanded and the electric wires are entangled with each other, the electric wires are often disconnected. That is, when the trough for laying the wire is installed on the ground, the inside of the trough becomes much higher than the atmospheric temperature during the day when the sun is shining, and the temperature is low at night, so that the wire installed therein has a large thermal expansion and contraction The wire breakage is frequent, particularly in the case of optical cables, the wire breakage occurs more frequently, and when rainwater flows into the inside of the trough, the water becomes bulky and the wire is damaged by contact with the wire.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and it is an object of the present invention to provide a gantry main body for facilitating connection of a gutter main body for protecting a wire when a direction of an electric wire installed in the ground or open- It is possible to connect the main body when the size of the main body is different, to easily open and close the main body lid, to prevent the electric wire from being damaged by the vibration friction or disconnection due to thermal expansion, A branch wire composed of several wires from a main wire installed in the inside of the trough main body is branched laterally or downwardly to easily connect the branch pipe, To be spaced apart from the ground at a predetermined distance.

In addition, since a plurality of partition walls are formed in the longitudinal direction inside the trough body of the present invention, the main wires attached to the inner side are stuck to each other to reliably prevent an accident such as a short line from being generated, So that the lid can be easily and accurately engaged.

According to an aspect of the present invention, there is provided a wire-laying trough for connecting a plurality of troughs through a sidewall of a connector having a rectangular body so as to be branched in each direction, The legs are integrally formed at a predetermined position on the bottom surface so as to be able to partition and store the legs and the legs, A trough main body having a drain hole formed therein; A boss which is guided by the branch hole and is threaded on an outer side to fix and penetrate an electric wire received from the outside, a nut fastened and fixed to the boss to fix the electric wire, and a nut which is fitted on the outer side of the nut, A branch line mechanism including a lid for making a lid; A main body lid having a fitting groove formed in a reinforcing rib provided at both ends of the bottom surface and at the center so as to be coupled to the upper surface of the trough main body; A strong anchor provided at one end of the bottom portion or the side wall portion when the gutter main body is connected to the connection port main body to absorb thermal expansion and contraction of the main body; And a rubber fixture for supporting an electric wire fixedly installed on the inner surface of the trough main body.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to FIGS. 1 to 4, reference symbol A denotes a trough.

The trough A is divided into a main body 10, a main body lid 20 and a connector 4.

The gutter main body 10 is formed in a shape having an open top and both end faces and has connecting portions 11 and 11 ', a locking protrusion 12, a partition wall 14, a plurality of drain holes 15 and a rubber fixing hole 16, And a plurality of branch line mechanisms (80) integrally provided with a plurality of legs (90) and constituted by a pair at predetermined positions on a side surface and a bottom surface.

The connection portions 11 and 11 'are formed at the longitudinal ends of the trough main body 10 and the connecting portion 11' is connected to the connection portion 11 of another trough main body 10 when the trough main body 10 is connected. The connection portion 11 'has a length corresponding to the inner width of the connection portion 11 and has an outer width.

The latching jaw 12 has a predetermined width on the outer surface of the side upper end and protrudes along the longitudinal direction. The latching jaw 12 is formed at a predetermined position to form a handle space 13 for raising the main body lid 20.

The partition wall 14 is vertically formed at an inner bottom surface of the trough main body 10 along the longitudinal direction and is formed at a predetermined interval to form a space for receiving the electric wire 70.

The plurality of drain holes 15 are formed at predetermined positions on a lower surface (bottom surface) of the trough body 10 as elongated holes each having a predetermined size, and the rubber fixing holes 16 are formed in predetermined positions on the inner bottom surface of the trough body 10 And are guided to the respective rubber fixtures 16, and are fixed by the bolts 18 by guiding the wire fittings 17.

The upper and lower vibration damping rubber 19 and the lower vibration damping rubber 19 'are formed on the upper surface and the lower surface of the upper and lower vibration damping rubbers 19 and 19' the lower vibration damping rubber 19 'is fixed to the rubber fixing portion 16 by the bolts 18 and the electric wire fixing groove a of the lower vibration damping rubber 19' The upper vibration damping rubber 19 is disposed on the lower vibration damping rubber 19 'and fixed by a fixing screw 18'.

The branch line branching mechanism (80) has a pair of branch holes (10a) having a predetermined diameter and passing through the gutter main body (10), a through hole having a predetermined diameter at the center, a flange formed at one end, And a nut 84 for fixing a boss 83 passing through the branch hole 10a is coupled to a threaded portion formed on an outer peripheral surface of the boss 83. A nut 84 A lid 86 is provided to prevent one end of the boss from closing the other end of the boss to prevent other substances from entering the main body 10.

The plurality of legs 90 formed on the bottom surface of the trough main body 10 are formed protruding downward at a predetermined position with a predetermined height so as to be installed at a predetermined height from the ground, To 50 mm.

The main body lid 20, which is assembled on the upper surface of the trough main body 10, is formed into a plate shape whose end face is bent downward at a predetermined angle with respect to the center line, and has connecting portions 21 and 21 ', a plurality of reinforcing ribs 22, The assembly grooves 23 and 25, and the fixing groove 24 integrally.

The connection portions 21 and 21 'are formed at both ends of the main body lid 20 in the longitudinal direction thereof. When the main body lid 20 is connected to the main body lid 20, And are assembled and connected to each other.

The plurality of reinforcing ribs 22 protrude from the lower surface of the main body lid 20 along the longitudinal direction at a predetermined distance from the bottom surface of the main body lid 20. At a predetermined position of the lower end of each reinforcing rib 22, An assembling groove 25 to be assembled is formed.

The attachment groove 23 is formed along the longitudinal direction at both side end lower ends of the main body lid 20 to have a predetermined width to be fitted to both side upper end portions of the trough main body 10, Are formed along the longitudinal direction on the upper surfaces of both side ends of the lid (20).

When the upper end of both side wall portions of the trough main body 10 and the assembly groove 23 of the main body lid 20 are assembled with each other when the main body lid 10 and the main body lid 20 are assembled with each other, The groove main body 10 and the main body lid 20 are fixedly assembled so as to be in close contact with each other by engaging with the lower surface of the groove 24 and the engaging jaw 12.

The clamp 30 has a cross- Shape.

A strong anchor 60 is installed only on one side of each trough main body 10 so as to cope with thermal expansion and contraction when the trough main body 10 is continuously connected.

The strong anchor 60 includes a boss 61 fixed to the ground and a bolt 62 coupled to the boss 61.

The connection port 40 is connected to the end of the trough in which the trough body 10 and the main body lid 20 are assembled when the path of the electric wire is switched or branched when the trough A having the above-described configuration is installed.

The connector 40 is composed of a connector body 41 and a connector cap 42. The connector body 41 is a rectangular body with an opened upper surface and a protrusion 43 protruding at a predetermined height on the inner bottom surface, A fixing hole 44 is formed at the center of the side wall 43 and a step 45 is formed along an upper end of the side wall and a fixing groove 46 is formed along a portion where the step 45 contacts the side wall.

A connecting lid 42 is provided at an upper portion of the connecting pipe body 40. A fixing groove 47 is formed in the upper surface of the connecting lid 42 so as to be inserted into the fixing groove formed at the bottom of the step 45 of the connecting pipe body 41. [ (46), and the fixing grooves (46, 47) are fitted and assembled by a clamp (30).

And a reference numeral 85 denotes a branch tube.

Hereinafter, the operation and effects of the wire-laying trough according to the present invention will be described in detail.

In order to lay the electric wires 70 on the troughs, the trough body 10 is continuously connected and assembled, and then the lower anti-vibration troughs 19 'are fastened to the rubber fixing holes 16 of the trough body 10 with bolts 18 The electric wires 70 are guided and arranged in the wire fixing grooves a formed on the upper surface of the lower vibration damping rubber 19 'and the upper vibration damping rubber 19 is fixed to the lower vibration damping rubber 19' The electric wires 70 are fixed to the electric wire fixing grooves a between the upper and lower vibration damping rubbers 19 and 19 'while each predetermined section is supported and fixed.

In this state, the upper vibration damping rubber 19 is screwed to the lower vibration damping rubber 9 'by the fixing screw 18' so that the electric wire 70 is arranged and fixedly wired in the inside of the trough main body 10 . In this state, the boss portion 61 of the strong anchor 60 is installed at a predetermined position on the bottom of the mounting portion, and then the bolt portion 62 is coupled only to one side of the respective trough main body 10, So that they can respond.

At this time, if the branch line is branched, the branch line is branched through the branch line branching mechanism 80 and then the branch line 85 is connected to the outer peripheral surface of the boss 83, so that branch branching can be performed quickly and easily. The branch line mechanism 80 in which the branch is not performed presses the lid 86 forcibly from the outside of the nut 84 to close the penetration of the boss 83 so that impurities are introduced into the trough body 10 Can certainly be avoided.

If the direction of the electric wire 70 is to be changed or diverged, the side surface of the connector main body 41 is cut in accordance with the size and shape of the trough A and then connected to one side of the trough main body 10 The lid 20 and 42 are covered with the trough body 10 and the connecting port body 41. The trough is then inserted into the fixing groove formed in the main lid 20 24 and the clamping jaw 12 provided on the side surface of the gutter main body 10 are fastened to the clamp 30 by means of a clamp 30 formed in the connecting port body 41 and the connecting lid 42 46, and 47, respectively, in the four directions of the rim.

When the trough A is to be installed at a predetermined height from the ground, the trough body 10 having a plurality of legs 90 formed on the bottom surface thereof can be easily and quickly installed. The drain hole 15, which is formed through the inner bottom surface of the trough main body in accordance with the formation of the legs, can smoothly discharge water that can flow into the trough main body in the rain.

At this time, the side surface of the connector main body 41 may be made open so as to have a constant shape in four directions at the time of manufacture, or may be set to a direction in which the trough A is installed, or only one side, It may be manufactured in an open state.

When a plurality of troughs A are connected to each other and are long and connected to each other, when only the lid 20 of a middle trough body 10 is to be unsealed, the trough 12 of the trough main body 10, The lid 20 can be easily opened.

In the present invention as described above, the electric wire 70 to be wired in the trough provided for protecting the electric wire is fixedly wired, and the strong anchor 60 is provided to correspond to the thermal expansion and contraction during the continuous installation of the trough main body 10 When the traveling path of the electric wire 70 is changed or branched, the connecting port 40 is connected to the connecting port irrespective of the standard of the trough, so that the switching and branching can be performed easily and quickly, and the main wire It is easy to connect the branch branch and the branch pipe 85 through the branch line branching mechanism 80 when the branch line is to be branched from the branch line 70 to the side and the down side. When sewage such as rainwater flows in the trough, The trough main body 10 is provided with the legs 90 formed on the lower surface thereof when the trough body 10 is to be installed at a predetermined height from the ground, Written, there is an effect that greatly improves the installation process.

Claims (1)

A trench for laying a wire in which a plurality of trenches (A) are connected in a branched manner through side walls of a connection port (40) having a rectangular body to branch the wires in all directions, The trough A is integrally formed with a partition wall 14 in the longitudinal direction so as to partition and accommodate electric wires therein. Legs 90 are integrally formed at predetermined positions on the bottom surface, A trough main body 10 having a branch hole 10a for passing a wire through and a drain hole 15 for drainage at a predetermined position; A boss 83 which is guided by the branch hole 10a and has a threaded portion formed on an outer side thereof to penetrate and fix the electric wire received from the outside and a boss 83 which is fitted on the outer side of the nut 84, Branch line mechanism (80) including a lid (86) A main body lid 20 having a fitting groove 25 formed in a reinforcing rib 22 provided at both ends of the bottom surface and at the center side so as to be coupled to the top surface of the trough main body 10; A strong anchor 60 installed at one end of the bottom portion or the side wall portion when the gutter main body 10 is connected to the connection port main body 41 to absorb thermal expansion and contraction of the main body; And a rubber fixing hole (16) for supporting an electric wire fixedly installed and accommodated in the inner surface of the trough body (10).