KR101380324B1 - Electric contactor of undergraund distribution line - Google Patents

Abstract

The present invention relates to a connecting device of an underground distribution line which is easily installed. The connecting device of the underground distribution line which is easily installed according to the present invention includes: a body (10); a sphere (20) which includes a coupling hole (21); a cap (30) which is detachably combined with the body (10) to surround the sphere (20); a line connecting unit which is made of metal materials; a line fixture (50); a corrugated pipe (60) which seals a space between the body (10) and the line connecting unit (40).

Description

Electrical contactor of undergraund distribution line for easy installation

The present invention relates to a connection mechanism of an underground distribution line that is easy to install, which can be very useful when trying to stretch and design a wire line on a terrain that avoids the existing hypothesis of wire lines and severely bends.

In general, the high-voltage electricity transmitted from the power plant is transformed to a voltage of a certain magnitude in the substation, and then distributed to the consuming area through overhead distribution lines or underground distribution, and distribution management is performed through wiring adjustment of overhead distribution lines or underground distribution lines. In metropolitan cities with frequent wiring adjustments, underground distribution lines are common to improve space utilization and ease wiring control and management.

In the construction and design of underground distribution lines, wiring adjustment can be made through connection control between underground distribution lines, between underground distribution lines and switchboards, and such connections are usually made through a connector, that is, a connection mechanism.

Here, the connection mechanism is connected to the underground distribution line to electrically and physically connect the underground distribution line with another underground distribution line, switchboard or distribution box via an adapter.

A general connection mechanism connects both connecting terminals connected to the electrode body of the underground distribution line to each other so that the connection mechanisms are electrically connected to each other, and the connection state is physically maintained.

Such a conventional connection mechanism is disclosed in the Republic of Korea Patent Publication No. 10-1050539 (adapter for connecting the underground distribution line and the switchboard), the prior art, while the electrical connection work and physical connection work of the underground distribution line is made at once Since the worker may not perform the physical connection work separately, the wiring adjustment of the underground distribution line can be made easily and quickly, and the underground distribution line where the electrical connection is performed must be physically connected, so the wiring adjustment work must be performed. It is possible to drastically reduce the error of, and to limit the configuration to keep the electrical connection more stable by mitigating the impact on the connecting device when external force is applied to the underground distribution line.

However, in the case of the prior art, if there is a fundamental problem that can be carried out at all to avoid the existing construction of the distribution line, or to design a new construction of the distribution line on the severely curved terrain, there is a fundamental problem in the industry The research and development of the connection mechanism for solving the above problems is actively in progress.

The present invention has been made in order to solve the above problems, it is very easy to install underground distribution line that can be very useful when you want to stretch and design the wire line on the terrain to avoid the existing hypothesis of wire lines and severe bending The purpose is to provide a connection mechanism for.

Connection mechanism according to the present invention for achieving the above object,

A main body including a body part having a fastening part at both ends of the both ends, a semicircular groove formed at both ends of the body part, and a metal terminal part in which a plurality of contact protrusions are exposed to the outside through both ends of the body part;

A sphere provided with a fastening hole and inserted into the terminal portion to be brought into contact with the contact projection;

A semicircular shape as a whole is formed, and the guide portion and the detention portion formed by cutting in a cross shape on one side are integrally formed, the glass fiber is provided on the inside, and the fastening portion coupled to the fastening portion of the main body is integrally formed on the other inner circumferential surface. A cap detachably coupled to the body and surrounding the sphere;

A connector body equipped with a wire receiving portion for accommodating the distribution line, an electric wire fixing portion accommodating portion for accommodating the electric wire fixing fixture, and an insertion body for providing a path for the electric wire fixing portion to be inserted therein; A wire connector made of a metal material, the connector being connected to and electrically connected to a distribution line housed in the wire receiving portion;

An electric wire retainer formed continuously along the longitudinal direction of the inner circumferential surface and fixed to the circumferential surface of the distribution line, and a wire fixing tool including an inserting protrusion extending outwardly from the outer circumferential surface to be inserted through the insertion groove;

One end and the other end is installed on the circumferential surface of the main body and the wire connector is a corrugated pipe sealing between the body and the wire connector; characterized in that consisting of.

According to the present embodiment, the sphere can be clouded between the main body and the cap through the fastener, so even if the distribution line is thick and difficult to bend or bend easily, simply connect the power distribution line and easily change and design the existing line or the new line. It is very useful to be able to do it.

In addition, according to the present embodiment, when the main body and the cap is not securely fastened, the sphere flows slightly between the main body and the cap, which causes frequent electrical breakage due to inadequate electrical contact. In this way, even if the body and the cap is not securely fastened, the glass fiber pressurizes the sphere to induce electrical contact with the contact protrusion, so that electricity cannot be continuously flowed and it is useful to solve the problem of intermittent sticking. Since at least three or more contact protrusions face the outer surface of the sphere, even if the sphere moves freely, it is very useful to always induce electrical contact smoothly.

In addition, according to the present embodiment, the other end surface of the connector body has the same curvature form as the arc shape of the cap, so that the connector body is arranged in close contact with the spherical surface of the cap, thereby allowing the connector body to act even when an external force acts on the connector body. The cap and the butt stick together to minimize the problem of bending or breaking the fastener.

Moreover, when the wire stopper is rotated clockwise or counterclockwise while the wire stopper is inserted into the wire stopper receptacle through the inserting groove via the inserting protrusion, the tip of the inserting protrusion is caught by the protrusion projecting inwardly. It can be stably accommodated in the wire fixing sphere accommodating portion, in particular, because the wire holding portion of the wire fixing sphere is fixed to the distribution line is very useful because it can solve the problem that the connection state is released even if a tension force is applied to the distribution line.

Furthermore, the corrugated tube has one end portion and the other end portion disposed on the circumferential surface of the main body and the wire connecting port to seal the space between the main body and the wire connecting port to block foreign substances (e.g., infiltration water, dust, etc.) It is possible to solve problems such as short-circuit.

1 is a perspective view of the coupling mechanism of the underground distribution line easy installation according to the present invention.
Figure 2 is an exploded perspective view of the connection mechanism of the underground distribution line easy to install according to the present invention.
Figure 3 is a cross-sectional view of the coupling mechanism of the underground distribution line easy installation according to the present invention.
Figure 4 is a front view of the main body in the connection mechanism of the underground distribution line easy to install according to the present invention.
5 is a view for explaining the operation relationship of the connection mechanism of the underground distribution line easy to install according to the present invention.

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

1 is an exploded perspective view of the connection mechanism of the underground distribution line easy to install according to the present invention, Figure 2 is an exploded perspective view of the connection mechanism of the underground distribution line easy to install according to the present invention, Figure 3 FIG. 4 is a cross-sectional view of the main body of the connection mechanism of the underground distribution line according to the present invention.

1 to 3, the connection mechanism of the underground distribution line that is easy to install according to the present invention, the main body 10 and the sphere 20, the cap 30, the wire connector 40, the wire fixture 50 ) And corrugated pipe (60), it is very useful when you want to stretch and design the wire line on the terrain to avoid the existing hypothesis of wire lines and severe bending.

Here, the main body 10 is one, the rest of the structure, that is, the sphere 20 and the cap 30, the wire connector 40, the wire fixing device 50 and the corrugated pipe 60 are all composed of a pair.

1 to 4, the main body 10 includes a body portion 11 and a terminal portion 12, and in this embodiment, a function of electrically connecting a distribution line L (see FIG. 3) to each other. do.

The body part 11 is a tube through which the inside penetrates, and both ends of the outer peripheral surface are integrally formed with a fastening part 11a having a screw tab, wherein the fastening part 11a is a fastening part formed on the inner peripheral surface of the cap 30 ( Screwed with 34).

The terminal portion 12 is a dumbbell-shaped metal material, in the present embodiment is built in the body portion 11 is exposed to the outside.

In addition, semicircular grooves (see FIGS. 2 and 4) are formed in both ends of the terminal part 12 to accommodate the sphere 20, and a plurality of contact protrusions are formed in the grooves (see FIGS. 2 and 4). 12a is provided integrally.

Here, the contact protrusion 12a is electrically connected to the outer surface of the sphere 20 inserted into the terminal portion 12, in particular at least three or more contact projections 12a against the outer surface of the sphere 20 Since the spherical body 20 is free to rotate, it is very useful to always induce electrical contact smoothly.

1 to 3, the sphere 20 is installed between the main body 10 and the cap 30 to connect the fasteners 42 of the terminal portion 12 and the wire connector 40 of the main body 10. It is the function to connect electrically.

In the present embodiment, the sphere 20 is clouded between the body 10 and the cap 30.

In addition, the sphere 20 is integrally provided with a fastening hole 21 having a screw tab formed on an inner circumferential surface thereof, and the fastening hole 42 of the electric wire connector 40 is detachably fastened to the fastening hole 21.

According to this embodiment, even if the sphere 20 is a cloud movement between the main body 10 and the cap 30, the distribution line (L) is thick and difficult to bend or bend very easily and conveniently the line of the distribution line (L) It is very useful because the design can be easily changed.

1 to 3, the cap 30 is a semi-circular shape as a whole, consisting of a guide portion 31, the detention portion 32, the glass fiber 33 and the fastening portion 34, this embodiment In the case of the example is detachably fastened to the main body 10 to restrain the sphere 20 and serves to guide and secure the fasteners 42 of the wire connector 40 connected to the sphere 20.

Referring to FIG. 2, one side of the cap 30 is formed with a guide portion 31 cut in a cross shape, an end portion 32 is formed at an end portion of the guide portion 31, and one side of the cap 30 has a glass fiber ( 33 is formed, and the fastening part 34 is formed in the other inner peripheral surface.

Here, the guide portion 31 serves to guide the fasteners 42 coupled to the sphere 20, the detention portion 32 serves to press and fix the guided fasteners 42, The glass fiber 33 functions to press one surface of the sphere 20 such that the outer surface of the sphere 20 and the contact protrusion 12a of the terminal portion 12 are in contact with each other, and the fastening portion 34 has a cap 30. Coupling with the fastening portion (11a) of the main body 10 to be detachably fixed to the main body (10).

According to this embodiment, when the main body 10 and the cap 30 are not securely fastened, the sphere 20 flows slightly between the main body 10 and the cap 30, thereby causing electrical There is a problem that the contact is not made smoothly and often breaks occur, even though the main body 10 and the cap 30 are not securely fastened, the glass fiber 33 presses the sphere 20 and the contact protrusion ( 12a) is useful because it can solve the problem that the electricity does not flow continuously and intermittent persistence because it is in contact with the 12a).

1 to 3, the wire connector 40 is composed of a connector body 41 and the fastener 42, in the present embodiment serves to fix the distribution line (L) inserted inward.

The connector body 41 is a tube having an inner opening at one end, and an inner wire receiving portion 41a is formed therein for accommodating an end portion of the distribution line L, and one end of the wire receiving portion 41a will be described later. An electric wire fixing part accommodating part 41b is formed to accommodate the electric wire fixing part 50, and an inserting groove 41c is provided at one end of the electric wire fixing part accommodating part 41b to provide a passage so that the electric wire fixing part 50 can be inserted. do.

In addition, the other end surface of the connector body 41 has the same curvature form as the arc shape of the cap 30, so that the connector body 41 is disposed in close contact with the spherical surface of the cap 30, whereby the external force Even when acting on the connector body 41, the connector body 41 and the cap 30 abut each other can minimize the problem that the fastener 42 is bent or broken.

One end of the fastener 42 is integrally fixed to the connector body 41 to be exposed to the wire receiving part 41a, and the other end thereof protrudes outward to be coupled to the fastening hole 21 of the sphere 20.

To this end, screw tabs corresponding to the fastening holes 21 are integrally formed on the outer circumferential surface of the other end of the fastener 42 to be easily and conveniently coupled to the sphere 20.

In the case of the fastener 42, the inside of the fastener 42 is opened toward the wire receiving portion 41a, and a metal part of the distribution line L is inserted into and electrically connected to the wire receiving portion 41a.

The wire fixing tool 50 is a member for detachably connecting the distribution line (L) to the wire connector 40, in the case of the present embodiment is a tubular shape as a whole, the inner peripheral surface is a sawtooth-shaped wire retaining portion 51 It is integrally formed, and the inserting protrusion 52 protruding outward is integrally formed on the outer circumferential surface.

Here, the wire retaining portion 51 has a tooth formed in one direction so that it can be easily fitted to the power distribution line (L), while being easy to install, on the other hand, once inserted into the power distribution line (L) and separated in the inserted direction Since it is difficult to minimize the problem that the distribution line (L) is separated from the wire fastener 50 there is an advantage that can secure the fixed.

According to the present embodiment, the wire stopper 50 is a clock or a counter clock in a state in which the wire stopper 50 is inserted into the wire stopper accommodation portion 41b through the insertion groove 41c through the inserting protrusion 52. When rotated in the direction, the front end of the inserting protrusion 52 is caught by the protrusion projecting inwardly (see FIG. 3), so that the wire fixing tool 50 is stably received in the wire fixing tool receiving portion 41b.

Furthermore, since the wire holding part 51 of the wire fixing tool 50 fixes the power distribution line L, even if a tensile force is applied to the power distribution line L, the connection state is released by the aforementioned action. It's very useful.

1 and 3 and 5, the corrugated pipe 60, one end and the other end is installed on the circumferential surface of the main body 10 and the wire connector 40, the main body 10 and the wire connector 40 It seals the gap and blocks the inflow of foreign substances (eg, infiltration water, dust, etc.) from the outside.

In addition, the corrugated pipe 60 is preferably made of a rubber material that can be tightly sealed so that foreign matter does not flow from the outside while maintaining a sufficient coupling state even when the wire fixing tool 50 is moved.

The operation relationship of the present invention having the above configuration will be described.

5 is a view for explaining the operation relationship of the connection mechanism of the underground distribution line easy to install according to the present invention.

First, in the assembled state as shown in FIG. 1, the wires (L) (not shown), in which the wire fixing tool 50 is installed, may be inserted into and coupled to the wire connector 40, which will be described in more detail as follows.

First, when the inserting protrusion 52 of the wire fixing tool 50 is pushed in a state aligned with the inserting groove 41c of the wire connector 40, the wire fixing tool 50 passes through the inserting groove 41c. Housed in the fixture receiving portion 41b, the end of the distribution line L is received in the wire receiving portion 41a through the wire fixing sphere receiving portion 41b, and the metal part of the distribution line L is connected to the wire connector 40 It is inserted into the fastener 42 and electrically interconnected.

As described above, when the wire fixing tool 50 is turned clockwise or counterclockwise in a state in which the distribution line L is inserted using the wire fixing tool 50, the inserting protrusion 52 of the wire fixing tool 50 is used for receiving the wire fixing tool. It is firmly fixed while being caught by the protrusion formed at the end of the portion 41b, and if it is to be dismantled, the distribution line L can be easily drawn out to the outside in the reverse order of the process.

When the distribution line (L) is connected to the other side in the same manner as described above, the two distribution lines (L) are electrically connected.

On the other hand, even if the terrain is curved in the process of building the distribution line in the ground is severely avoided due to the existing distribution line, as shown in Figure 5, through the sphere 20 and the fastener 42 as a medium Since it can be easily and simply constructed by moving along the guide part 31 of the cap 30 in a desired direction, and the fastener 42 to which the detention part 32 of the cap 30 was moved is carried out easily and conveniently. ), So it is not easy to turn off the external force, so you can expect the side effect of securing the fixedness.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

10: main body 11: body portion 11a: fastening portion
12: terminal portion 12a: contact protrusion 20: sphere
21: fastening hole 30: cap 31: guide portion
32: detaining portion 33: glass fiber 34: fastening portion
40: wire connector 41: connector body 41a: wire receiving portion
41b: wire fixing part accommodating part 41c: inserting groove 42: fastener
50: wire fastener 51: wire retainer 52: inserting protrusion
60: corrugated pipe L: distribution line

Claims (1)

Body portion 11 provided with fastening portion 11a on the outer circumferential surface of both ends, and semicircular grooves formed in both ends and a plurality of contact protrusions 12a formed on both ends of the body portion 11 The main body 10 made of a metal terminal portion 12 exposed to the outside through;
A sphere 20 having a fastening hole 21 and inserted into the terminal portion 12 to abut against the contact protrusion 12a;
A semicircular shape as a whole is formed, the guide portion 31 and the detention portion 32 formed by cutting in a cross shape on one side is formed integrally, the glass fiber 33 is provided inside, the main body 10 on the other inner peripheral surface A coupling part 34 coupled to the coupling part 11a of the cap is integrally formed and detachably coupled to the body 10 to surround the sphere 20;
Insertion groove (41c) for providing a passage so that the wire receiving portion (41a) is accommodated in the distribution line (L), and the wire fixing sphere receiving portion (41b) and the wire fixing fixture (50) that is accommodated in the wire fixing fixture (50) The connector body 41 and the connector body 41 is provided to protrude to the coupling hole 21 of the sphere 20 and is electrically connected to the distribution line (L) housed in the wire receiving portion (41a) A metal wire connector 40 composed of a fastener 42;
An electric wire consisting of a wire restraining portion 51 which is continuously formed in the longitudinal direction of the inner circumferential surface and fixed to the circumferential surface of the power distribution line L, and an inserting protrusion 52 extending outwardly from the outer circumferential surface to be inserted through the insertion groove 41c. A fixture 50;
One end and the other end is installed on the circumferential surface of the main body 10 and the wire connector 40 is a corrugated pipe 60 to seal between the main body 10 and the wire connector 40; easy to install, characterized in that consisting of Connection mechanisms of an underground distribution line.

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