KR102494116B1 - An underground transmission line connection device for convenient connection - Google Patents

Abstract

The present invention relates to an underground power transmission line connection device for convenient connection made of a wire tray (100), a wire accommodating apparatus (200), and a connection unit (300). According to this, it is possible to easily and conveniently interconnect an underground power transmission line (L) through the connection unit (300), separate and mount a wire by using the wire accommodating apparatus (200), and easily input or withdraw a wire without separating the wire accommodating apparatus (200) from a ring (120) as technical features.

Description

An underground transmission line connection device for convenient connection}

The present invention relates to an underground transmission line connection device for convenient connection.

In general, the underground transmission line construction method can be largely divided into a direct sales type, a pipe type, a power old type, and a bridge addition type.

Among them, the electric power type is also called the culvert type or the copper type. do.

However, in this power-old construction, the shelves are simply fixed from the inside of the concrete structure to the walls on both sides in layers, so if a leak occurs in the concrete structure, water infiltrates along the shelves installed on the walls on both sides, causing a short circuit or short circuit in the underground transmission line. If this situation is continuously repeated, oxidation is accelerated and the life span of the underground transmission line is shortened.

1. Republic of Korea Patent No. 10-1848848

The present invention can easily and conveniently interconnect underground transmission lines through a connecting unit, and can classify and mount wires using a wire receiving mechanism, and easily pull in and withdraw wires without separating the wire receiving mechanism from the rung The purpose is to provide an underground transmission line connection device that can be connected conveniently.

The present invention for achieving the above object,

Side rails horizontally extending from the top and bottom of the wall and the wall in parallel and spaced side by side and made of plungers having clip couplings penetrating vertically;

It is arranged between side rails so that both ends face the wall and is fixed to the wall through a fastening means to support the underground transmission line. A wire tray composed of rungs formed to communicate with the opening grooves and mutually spaced apart lifting guides and vertical piece coupling parts formed to penetrate the rung body vertically with the lifting guides interposed therebetween and communicating with the opening grooves;

A first horizontal piece, a first vertical piece extending upward from the first horizontal piece and movably coupled to the lifting guide unit, and having a locking jaw selectively caught on the upper surface of the rung body, a first vertical piece from the upper end of the first vertical piece 1st and 2nd accommodating arrangements facing each other consisting of a second horizontal piece extending horizontally in the opposite direction to the first horizontal piece and a second vertical piece extending downward from the end of the second horizontal piece and being detachably coupled to the vertical piece coupling part. instrument body,

It is rotatably installed on the lower and upper surfaces of the first and second accommodating mechanism bodies through shaft pins, respectively, and is detachably coupled with the shaft pins through arc-shaped hook grooves to accommodate the first and second accommodation units. A wire receiving mechanism composed of a clasp connecting the mechanism body to each other;

It is divided into a first cover and a second cover having a semicircular cross-section and are detachably coupled to each other via coupling protrusions and coupling grooves. A connection unit body integrally formed with pressing protrusions that pressurize the coating of the underground transmission line introduced into the ground and limit the escape;

It is characterized in that it includes; a connection unit composed of a restraining ring having a clip portion fitted to both ends of the connection unit body to limit the opening of the connection unit body and detachably fitted into the clip coupling part.

The present invention can easily and conveniently interconnect underground transmission lines through a connecting unit, and can classify and mount wires using a wire receiving mechanism, and easily pull in and withdraw wires without separating the wire receiving mechanism from the rung There are benefits you can do.

1 is a combined perspective view of an underground transmission line connection device for convenient connection according to the present invention.
Figure 2 is an exploded perspective view of Figure 1;
3a and 3b are exploded perspective views showing a rung and a wire receiving mechanism separately extracted from the underground transmission line connection device for convenient connection according to the present invention.
Figure 4 is an exploded perspective view showing a side rail and a connection unit separately extracted from the underground transmission line connection device, which is convenient to connect according to the present invention.
5a to 5e are views for explaining the use state and operation of the underground transmission line connection device, which is convenient to connect according to the present invention.

Hereinafter, it will be described in detail based on the accompanying drawings.

1 is a combined perspective view of an underground transmission line connection device with convenient connection according to the present invention, FIG. 2 is an exploded perspective view of FIG. 1, and FIGS. 4 is an exploded perspective view showing a side rail and a connection unit separately extracted from the underground transmission line connection device for convenient connection according to the present invention.

1 to 4, the underground transmission line connection device, which is convenient for connection according to the present invention, is composed of a wire tray 100, a wire receiving mechanism 200, and a connection unit 300, according to which the connection unit ( 300), the underground transmission line (L) can be easily and simply interconnected, the wires can be separated and mounted using the wire receiving mechanism 200, and the wire receiving mechanism 200 can be separated from the rung 120 It has a technical feature that allows the wire to be easily pulled in and out without disconnection.

1 to 4, the wire tray 100 is composed of a side rail 110 and a rung 120, and in the case of the present embodiment, it is installed in a power outlet or manhole buried in the ground to form an underground transmission line (L) And it serves to support various wires.

The side rails 110 are spaced side by side facing each other as a steel frame having a cross section of an approximate 'c' shape.

To describe these side rails 110 in more detail, the vertically erected wall 111 is fixed to the wall of the power outlet or the wall of the manhole, and the plunge 112 is parallel to the top and bottom of the wall 111. ) extends horizontally. In addition, clip coupling portions 112a that penetrate vertically and are spaced apart from each other are integrally formed in the plunge 112, and the clip portion 321 of the connection unit 300 is detachably coupled to the clip coupling portion 112a. do.

The rung 120 is disposed between the side rails 110 and is fixed to the side rail 110 via a fastening means (screw bolt) to support the underground transmission line L and various wires.

To describe the rung 120 in more detail, both ends of the rung body 121 are disposed between the side rails 110 so as to face the wall 111 of the side rail 110. The rung body 121 arranged in this way is fixed to the side rail 110 via a fastening means (screw bolt) to connect the side rails 110 to each other.

In addition, the rung body 121 has an opening groove 121a, the inside of which is opened downward.

The upper surface of the rung body 121 penetrates vertically and is integrally formed with lift guides 122 spaced apart from each other, and the lift guides 122 communicate with the opening groove 121a.

In addition, the upper surface of the rung body 121 is vertically penetrated with the lifting guide part 122 therebetween, and the vertical piece coupling part 123 spaced apart from each other is integrally formed, and the vertical piece coupling part 123 It also communicates with the opening groove (121a).

Here, the width of the lifting guide part 122 is formed relatively wider than the width of the vertical piece coupling part 123, which means that when the first vertical piece 212 of the wire receiving mechanism 200 is lifted, the hooking step This is to ensure that (212a) can pass easily.

The first vertical piece 212 is movably coupled to the elevation guide part 122, and the second vertical piece 214 is movably coupled to the vertical piece coupling part 123.

The wire receiving mechanism 200 is composed of first and second receiving mechanism bodies 210A and 210B, a clasp 220, and a shaft pin 230, and in the case of the present embodiment, the wire tray 100 is lifted to the rung 120 It is installed as much as possible and serves to provide a mounting space so that the underground transmission line (L) and various wires can be separately mounted.

The first and second accommodating mechanism bodies 210A and 210B are fabricated in the same structure, disposed to face each other, and are detachably connected to each other via a clasp 220.

The first accommodating mechanism body 210A includes a first horizontal piece 211 detachably accommodated in the opening groove 121a of the rung body 121. At one end of the first horizontal piece 211, a first vertical piece 212 extending vertically upward is integrally formed, and the first vertical piece 212 protrudes in the opposite direction of the first horizontal piece 211. A hooking jaw 212a bent to be provided is provided. In addition, a second horizontal piece 213 extending horizontally in the opposite direction of the first horizontal piece 211 is integrally formed at the upper end of the first vertical piece 212, and the end of the second horizontal piece 213 is formed downward. A second vertical piece 214 extending vertically is integrally formed.

Here, the locking jaw 212a of the first vertical piece 212 rests on the upper surface of the rung body 121 and serves to allow the first vertical piece 212 to stand, and the second horizontal piece 213 When the first horizontal piece 211 descends, it rests on the upper surface of the rung 120 and serves to limit the excessive descent of the first horizontal piece 211, and the second vertical piece 214 is the first horizontal piece ( When 211) descends, it is removably coupled to the vertical piece coupling part 123 and serves to limit the movement of the first and second housing mechanism bodies 210A and 210B.

Since the structure of the second accommodating mechanism body 210B is substantially the same as that of the first accommodating mechanism body 210A, the structural description of the second accommodating mechanism body 210B is omitted.

The clasps 220 are disposed on the lower and upper surfaces of the first horizontal pieces 211 constituting the first and second accommodating mechanism bodies 210A and 210B, respectively, and are rotatably installed via shaft pins 230. One end of the clasp 220 is rotatably installed via a shaft pin 230, and an arc-shaped catching groove 221 is integrally provided at the other end.

For example, when the latch 220 is rotated around the shaft pin 230, the ends of the shaft pin 230 protruding downward and upward into the hook groove 221 are inserted, respectively, and the first and second The receiving mechanism bodies 210A and 210B are interconnected.

In particular, as the clasp 220 is disposed on the upper and lower surfaces of the first horizontal piece 211, respectively, when the electric wire is placed, sagging due to its own weight can be prevented.

In addition, when the shaft pin 230 is released from the hook groove 221 by rotating the latch 220, the connection between the first and second housing mechanism bodies 210A and 210B is released, and at this time, the first vertical piece 212 ) is spread left and right, as the first horizontal piece 211 is naturally spaced apart, the wire is drawn out from the inside of the first and second accommodating mechanism bodies 210A and 210B, or the first and second accommodating mechanism bodies 210A , 210B), it can be easily removed and inserted when trying to lead the wire into the inside, and accordingly, there is an advantage in that the work is considerably convenient in that the wire receiving mechanism 200 does not have to be separated.

As shown in (b) of FIG. 5E, the chukpin 230 is integrally formed with a member having an expanded diameter at the protruding upper end (and lower end), so even if an external force (bending) is applied, the chukpin 230 It is possible to limit the release of the clasp 220, thereby making a solid connection possible.

The connection unit 300 is composed of a connection unit body 310 and a restraining ring 320, and in the case of the present embodiment, it is detachably installed on the wire tray 100 to electrically connect the underground transmission line L or other wires. It serves as a link between them.

The connection unit body 310 is divided into a semi-circular first cover 311 and a semi-circular second cover 312 to form a tubular shape by mutual coupling, and the underground transmission line L drawn inside Electrically connected and wrapped and fixed.

The first cover 311 and the second cover 312 are made of an insulating material, and a coupling protrusion 311a and a coupling groove 312a are integrally formed on the surfaces facing each other, and the first cover 311 and the coupling groove 312a are integrally formed. The second cover 312 is detachably coupled via the coupling protrusions 311a and the coupling grooves 312a.

In addition, a plurality of pressing protrusions 311b and 312b protruding along the inner circumferential surfaces are integrally formed on the inner surfaces of both ends of the first cover 311 and the second cover 312, wherein the pressing protrusions 311b and 312b are When the first cover 311 and the second cover 312 are mutually coupled, the cover of the underground transmission line (L) disposed inside is pressed to limit the separation of the underground transmission line (L) from the connection unit body 310 play a role

In addition, between the first cover 311 and the second cover 312, a connection pipe body 313 electrically connecting the underground transmission line L introduced through both ends of the connection unit body 310 is installed.

The restraining ring 320 is inserted into both ends of the connection unit body 310, respectively, so that the first cover 311 and the second cover 312 are fixed so that they are not separated from each other, and the wire tray 100 and the connection unit body 310 It is a medium that interconnects To this end, clip parts 321 protruding side by side in a spaced apart state are integrally formed on the outer circumferential surface of the restraining ring 320, and this clip part 321 is formed of the side rail 110 constituting the wire tray 100. It is detachably fitted into the clip coupling hole 112a.

In particular, clip coupling holes 112a are formed in the upper and lower plunge 112 of the side rail 110, respectively, so that interference with the installed wires can be avoided or minimized, and it can be mounted regardless of the installation position. Therefore, the convenience of work can be greatly enhanced.

5A to 5E are views for explaining the state of use and operation of the underground transmission line connection device, which is convenient to connect according to the present invention, and will be described with reference to this.

Referring to FIG. 5A, the underground transmission line (L) may be installed on the upper surface of the rung 120 of the wire tray 100 installed on the wall surface of the power outlet (or the wall surface of the manhole), and the wires protruding from the lower part of the rung 120 An underground power transmission line (L) may be installed inside the receiving mechanism 200.

On the other hand, if you want to install wires separately, you can create an accommodation space in which the wires can be accommodated by elevating the wire receiving mechanism 200, which will be described in more detail as follows.

As shown in FIG. 5B, when the wire receiving mechanism 200 is pushed upward, the first vertical pieces 212 of the first and second receiving mechanism bodies 210A and 210B protrude upward from the rung 120. At this time, the second vertical piece 214 inserted into the vertical piece coupling part 123 is separated from the vertical piece coupling part 123 by the first vertical piece 212 together with the second horizontal piece 213. It protrudes upward from the rung 120.

In addition, as described above, while the first vertical piece 212 is lifted and passed through the lift guide 122, the first vertical piece 212 is elastically deformed by the hooking jaw 212a bent in an oblique shape. When the hooking jaw 212a passes through the lifting guide 122, it is elastically restored and caught on the upper surface of the rung 120, whereby the wire receiving mechanism 200 stands on the rung 120 placed in a state

As described above, when the wire receiving mechanism 200 is erected, the wires to be divided between the first vertical pieces 212 may be accommodated.

On the other hand, if the underground transmission line (L) needs to be electrically interconnected, the connection unit 300 may be used, which will be described in more detail as follows.

As shown in FIGS. 5C and 5D , the connection unit 300 is separated from the clip coupling portion 112a of the wire tray 100 .

Then, the restraining rings 320 are separated from the connection unit body 310, and then the first cover 311 and the second cover 312 are separated.

As described above, in the state where the second cover 312 is separated, the underground transmission lines L are disposed at both ends of the first cover 311, and then the underground transmission lines L are connected to the inside of the connection pipe 313. Insert it so that it is electrically connected.

As described above, when the underground transmission line (L) is electrically connected via the connection pipe body 313, the separated second cover 312 and the first cover 311 are connected to the coupling protrusion 311a and the coupling groove 312a. They are coupled to each other via the medium, and the restraining ring 320 is inserted through both ends of the connection unit body 310.

The first cover 311 and the second cover 312 are brought into close contact with each other by the inserted restraining ring 320, and in the process of being brought into close contact with each other, the first cover 311 and the second cover 312 are provided inside. As the pressing protrusions 311b and 312b strongly press and fix the covering of the underground transmission line L, it is possible to prevent the underground transmission line L from leaving and to maintain the electrical connection state.

Then, the connection unit 300 connected to the underground transmission line L is coupled to the clip coupling portion 112a of the wire tray 100 via the clip portion 321.

On the other hand, when trying to withdraw the hypothesized underground transmission line L from the wire receiving mechanism 200 protruding from the lower part of the rung 120 to the outside, proceed as follows.

As shown in (a) of FIG. 5E, first, when the clasp 220 holding the chukpin 230 is rotated around the chukpin 230, the chukpin 230 is naturally separated from the catching groove 221. do.

As described above, when the clasp 220 and the shaft pin 230 are released, the first accommodation mechanism body 210A and the second accommodation mechanism body 210B are converted from an integral structure to a detachable structure.

When the first vertical pieces 212 of the first accommodating mechanism body 210A and the second accommodating mechanism body 210B are spread left and right in the state of switching to the detachable structure as described above, the first horizontal piece 211 As the spaces are naturally spaced apart, the wires can be drawn from the inner side of the first and second accommodating mechanism bodies 210A and 210B, as shown in (b) of FIG. 5E.

On the other hand, on the contrary, since the wire can be introduced into the first and second receiving mechanism bodies 210A and 210B in a state where the first vertical piece 212 is spread left and right, the wire receiving mechanism 200 can be moved to the rung 120. The convenience of work can be greatly improved in that the underground transmission line (L) can be freely removed and inserted without being separated from the transmission line.

Although the present invention has been described in detail only for the specific embodiments described, it is natural for those skilled in the art that various changes and modifications can be made within the scope of the technical idea of the present invention, and it is natural that such changes and modifications fall within the scope of the appended claims.

100: wire tray 110: side rail 111: wall
112: plunge 120: rung 121: rung body
122: lifting guide part 123: vertical knitting part 200: wire receiving mechanism
210A: first accommodating mechanism body 210B: second accommodating mechanism body 211: first horizontal piece
212: first vertical piece 212a: locking jaw 213: second horizontal piece
214: second vertical piece 300: connection unit 310: connection unit body
311: first cover 311a: coupling protrusion 311b: pressing protrusion
312: second cover 312a: coupling groove 312b: pressing protrusion
313: connecting tube body 320: restraining ring 321: clip part

Claims (1)

Side rails 110 horizontally extending from the wall 111 and the top and bottom of the wall 111 in parallel and spaced side by side and made of plungers 112 having clip coupling parts 112a penetrating vertically class,
It is disposed between the side rails 110 so that both ends face the wall 111 and is fixed to the wall 111 via a fastening means to support the underground power transmission line L, and the inside has an opening groove opened downward ( 121a), the rung body 121 formed so as to penetrate vertically through the rung body 121 and communicating with the opening groove 121a, and the lift guide 122 and the lift guide 122 spaced apart from each other. A wire tray 100 composed of rungs 120 formed of vertical piece coupling parts 123 formed to penetrate vertically through the rung body 121 with the rung body 121 interposed therebetween and communicating with the opening groove 121a;
First horizontal piece 211, a locking jaw 212a that extends upward from the first horizontal piece 211, is movably coupled to the lift guide 122, and is selectively caught on the upper surface of the rung body 121 A first vertical piece 212 having a, a second horizontal piece 213 extending horizontally from an upper end of the first vertical piece 212 in the opposite direction to the first horizontal piece 211, and a second horizontal piece 213 First and second accommodating mechanism bodies 210A and 210B made of a second vertical piece 214 extending downward from the end of and detachably coupled to the vertical piece coupling portion 123 and disposed facing each other;
It is rotatably installed on the lower and upper surfaces of the first horizontal pieces 211 of the first and second housing mechanisms 210A and 210B via shaft pins 230, respectively, and via a hooking groove 221 cut in an arc shape. A wire accommodating mechanism 200 composed of a clasp 220 that is detachably coupled to the row shaft pin 230 and interconnects the first and second accommodating mechanism bodies 210A and 210B;
It is divided into a first cover 311 and a second cover 312 having a semicircular cross-section and are detachably coupled to each other via a coupling protrusion 311a and a coupling groove 312a, but inside the underground transmission line (L ) is formed, and on the inner circumferential surface of both ends, press protrusions 311b and 312b are integrally formed to pressurize the coating of the underground transmission line (L) to limit separation. With the main body 310,
A connection unit composed of a restraining ring 320 having a clip portion 321 inserted into both ends of the connection unit body 310 to limit the opening of the connection unit body 310 and detachably fitted to the clip coupling portion 112a. (300); underground transmission line connection device for convenient connection characterized in that it comprises.

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