KR102338920B1 - Cable juction box for pi-type branching - Google Patents

Abstract

The present invention includes: a branch member formed in a 'π' shape so as to have a plurality of connection end portions; an adapter provided with a socket terminal so that the end portion of the branch member can be connected to a cable, and enclosing a connection portion between a pin terminal of the cable, which is inserted into the socket terminal, and the socket terminal; a housing surrounding a connection portion between the adapter and the socket terminal and including an insulating material; a first case formed to surround a lower portion of the branch member and having each open end portion so that the end portion of the branch member is exposed; a second case having a shape which is the same as or similar to a shape of the first case and seated in the first case to surround an upper portion of the branch member; a detachable part for receiving the branch member between the first case and the second case by engaging the first case and the second case when the first case and the second case are seated in close contact with each other; a cover member rotatably installed at the open end portion of the first case by a hinge part, surrounding a connection portion between the branch member and the cable, and integrally formed with the housing; and an interlocking part for converting and transmitting a coupling operation of the detachable part into a closing operation of the cover member, wherein when the first case and the second case are connected and coupled to each other, the first case and the second case are coupled by the coupling operation of the detachable part, and the cover member rotates around the hinge part by an operation of the interlocking part and closes the connection portion between the branch member and the cable so as to surround the connection portion. The present invention can prevent an electric shock accident that occurs during a storage or finishing operation of the branch member.

Description

Pi branch connector for distribution lines {CABLE JUCTION BOX FOR PI-TYPE BRANCHING}

The present invention relates to a pie branch connector for a distribution line, and more particularly, since the first case and the second case surrounding the branch member are combined by one pressing operation in a one-touch method, the time required for installing the branch member and Costs can be reduced, and when the first case and the second case are coupled and connected, the housing and the cover member surrounding the connection part where the branch member and the cable are connected are coupled to cover the connection part at the same time, so that the first case and the second case Pie branch for distribution line that can provide operator convenience more effectively and prevent electric shock accidents that occur during storage or closing work, as separate finishing work can be omitted after storing the branch member by combining It's about connectors.

As an energy source of modern industrial civilization, electricity can be said to be representative. Such electricity is supplied to each customer through electric wires through power generation, transmission and distribution, and the converter requires constant maintenance for safe transmission and distribution, and work demands such as troubleshooting and facility expansion occur.

In all the work of these converters, considering safety, it is customary to cut off electricity and work in a blackout state, but as described above, in modern industry, it cannot be considered except for electric power.

Even in the case of a temporary power outage, the loss in each industry is huge and it is also a very big reality to feel uncomfortable.

In addition, power outages are a very unsatisfactory situation in each household. Therefore, the method of performing all work on the converter also breaks away from the simple work after power outage, and various technologies have been developed for live wire work.

This requires high-level insulation materials and skilled technology, and it makes the risk of work even greater.

In conclusion, the work demands of converters are frequent, and the work after power outage is safe, but damage and dissatisfaction from consumers are high.

In order to solve this complex problem, the section required for work is separated from the sound section to put the power outage, and the customer in this power outage section is temporarily supplied with power by a cable branched from the sound section to safely construct the section required for work. The so-called provisional transmission method (bypass method) is being commercialized.

In this provisional transmission method, it is necessary to temporarily install a cable that forms a bypass circuit from a sound section, and since this temporary cable has a limited length, it may branch while being extended and installed. At this time, for the extension and branching of the cable, a detachable structure and a connection member capable of electrical connection and insulation are used.

These connection members should be easy to install and disassemble, and the mechanical connection should be maintained accurately and electrically, and should not come off even when the cable's installation tension is applied.

Due to these characteristics, there was a structure in which a number of screws were formed on both sides and rotated to combine them in the past, but it was inconvenient to work inappropriate to meet the field conditions, and it was difficult to work and difficult to attach and detach due to foreign matter contamination of the screws by soil etc. have problems such as

In addition, according to the prior art, since a bypass circuit is formed by properly installing a straight-line connector and a T-type branch connector, there is a problem in that every installation work and connection of other devices (transformers, circuit breakers, etc.) is very limited.

In addition, the complexity and risk of connecting the main line connection clamp from the sound line section still exist.

In order to solve the above problems, a pi-branch connector for a distribution line has been developed, and the pi-branch connector for a distribution line according to the prior art includes a π-type conductor made of a conductive material and each socket terminal is coupled to the end thereof; A semiconducting layer covering a conductor, an insulating layer, and a shield layer are sequentially molded, and each end is formed with a tapered surface to form a π branch, and an insulating layer provided with a concave portion and a central through hole coincidentally coupled to the tapered surface of the π branch portion A housing molded with a shield layer and a housing, and an adapter that holds the end of the cable in a state of press-fitting the end of the cable through the central through hole of the housing, but with a pin terminal compression-coupled to the end of the cable to form a straight-line connection, surrounding the π branch 2 The divided π-shaped cover member and the two-divided cover member surrounding the straight connection part are formed, and the groove and the protrusion between the cover members are coupled to coincide with each other, and the outer periphery is screwed together with a plurality of bolts and nuts.

The background technology of the present invention is disclosed in Republic of Korea Utility Model Publication No. 20-0129597 (December 15, 1998 announcement, title of design: pi branch connector for distribution lines).

In the connection material according to the prior art, the case surrounding the branch member is composed of an upper case and a lower case, and since the upper case and the lower case are coupled or separated by the fastening member, the installation of the case surrounding the branch member is complicated and a plurality of fastening members Since the branch member is accommodated or separated while combining or dismantling the branch member, the installation and replacement of the branch member is complicated and it is difficult to promote the convenience of the operator. there is a problem with

Therefore, there is a need to improve it.

According to the present invention, since the first case and the second case surrounding the branch member are combined by one pressing operation in a one-touch method, the time and cost required for installing the branch member can be reduced, and the first case and the second case can be separated. When connecting by coupling, the housing and the cover member surrounding the connection part where the branch member and the cable are connected are coupled to cover the connection part at the same time. An object of the present invention is to provide a pie branch connector for a distribution line that can provide convenience to workers more effectively and can prevent electric shock accidents occurring during storage or finishing work.

The present invention, a branch member formed in a 'ㅠ' shape to be provided with a plurality of connection ends; an adapter having a socket terminal at the end of the branch member so that a cable can be connected, and wrapping a connection portion between a pin terminal of a cable inserted into the socket terminal and a socket terminal; a housing formed of an insulating material that surrounds a connection portion between the adapter and the socket terminal; a first case formed to surround the lower portion of the branch member, and each end of the branch member being opened to expose an end thereof; a second case having the same or similar shape as the first case and being seated in the first case to surround the upper portion of the branching member; a detachable part for receiving the branch member between the first case and the second case by engaging the first case and the second case when the first case and the second case are seated in close contact with each other; a cover member that is rotatably installed at the open end of the first case by a hinge, surrounds a connection portion between the branch member and the cable, and is integrally formed with the housing; and an interlocking part which converts and transmits the coupling operation of the detachable part into the closing operation of the cover member, and when the first case and the second case are connected and coupled, the first case and the first case and the The second case is coupled, and the cover member is rotated around the hinge part by the operation of the linkage part to close the connection part between the branch member and the cable.

In addition, the branch member of the present invention is formed by sequentially molding a semiconducting layer and an insulating layer covering the conductor member, and the end of the branch member is formed into a tapered surface to form a socket terminal integrally. .

In addition, the detachable portion of the present invention, a plurality of hook members formed to protrude downward from the end of the second case; a coupling groove formed on an upper surface of the first case so that the hook member is inserted; a locking hook which is installed so as to protrude in an inner direction of the coupling groove and is engaged with the hook member; and a first elastic member providing an elastic force to maintain the locking hook protruding in the inner direction of the coupling groove.

In addition, a release wire is provided on the rear surface of the locking hook of the present invention to release the locking coupling between the hook member and the locking hook by retracting the locking hook, and the plurality of release wires extending from the plurality of locking hooks are It is characterized in that it is simultaneously connected to one release lever exposed on the outer wall of the first case.

The pie branch connector for a distribution line according to the present invention is provided with a detachable part for coupling or separating the first case and the second case in a one-touch manner, so that the second case is attached to the first case so as to surround the branch member seated in the first case. When seated, there is an advantage that the branch member can be easily accommodated while the first case and the second case are coupled by the operation of the detachable part.

In addition, the pie branch connection material for a distribution line according to the present invention is an interlocking operation that converts and transmits the coupling operation of the detachable part driven when the first case and the second case are coupled to the closing operation of the cover member installed at the end of the first case Since the part is provided, when the operator proceeds with the operation of coupling the first case and the second case, the first case and the second case are coupled by the operation of the detachable part, and at the same time, the coupling operation of the detachable part by the operation of the linkage part closes the cover member Transmitted by operation, the connection portion between the branch member and the cable can be closed by the cover member, so that there is an advantage that can provide operator convenience more effectively.

In addition, the pie branch connection material for a distribution line according to the present invention is formed integrally with the cover member and has a housing made of an insulating material. Since the housing made of insulating material provides a sealing action while closely adhering to the connection part between the cable and the branch member, it is possible to prevent a safety accident caused by the loss of current along the connection part of the cable and the branch member, and the connection between the cable and the branch member There is an advantage in that rainwater or moisture can be prevented from entering the area.

1 is a block diagram showing a pie branch connector for a distribution line according to an embodiment of the present invention.
2 is an operation state diagram illustrating a pie branch connector for a distribution line according to an embodiment of the present invention.
3 is an exploded side view illustrating a pie branch connector for a distribution line according to an embodiment of the present invention.
4 is a configuration diagram illustrating a detachable part and an interlocking part of a pie branch connector for a distribution line according to an embodiment of the present invention.
5 is an operation state diagram illustrating a detachable part and an interlocking part of a pie branch connector for a distribution line according to an embodiment of the present invention.

Hereinafter, an embodiment of a pie branch connector for a distribution line according to the present invention will be described with reference to the accompanying drawings.

In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users and operators.

Therefore, definitions of these terms should be made based on the content throughout this specification.

1 is a block diagram showing a pie branch connector for a distribution line according to an embodiment of the present invention, FIG. 2 is an operational state diagram showing a pie branch connector for a distribution line according to an embodiment of the present invention, FIG. 3 is an exploded side view showing a pie branch connector for a distribution line according to an embodiment of the present invention.

In addition, FIG. 4 is a configuration diagram showing a detachable part and an interlocking part of a pie branch connector for a distribution line according to an embodiment of the present invention, and FIG. 5 is a detachable pie branch connector for a distribution line according to an embodiment of the present invention. It is an operation state diagram showing the part and the linkage.

1 to 5 , a pie branch connector for a distribution line according to an embodiment of the present invention includes a branch member 10 formed in a 'ㅠ' shape so that a plurality of connection ends are provided, and a branch member 10 ) end of the socket terminal 18 is provided so that the cable 34 can be connected, and wraps the connection portion between the pin terminal 36 and the socket terminal 18 of the cable 34 inserted into the socket terminal 18. The adapter 32 and the housing 30 made of an insulating material surrounding the connection portion between the adapter 32 and the socket terminal 18 and the branch member 10 are formed to surround the lower portion, and the branch member 10 is The first case 52, each end of which is opened so as to expose the ends, is made of the same or similar shape as the first case 52, is seated on the first case 52, and is placed on the upper part of the branch member 10 When the second case 54 surrounding the second case 54 and the first case 52 and the second case 54 are seated in close contact with each other, the first case 52 and the second case 54 are engaged and coupled to each other to form a branch member 10 ) is rotatably installed by a hinge part 58 at the opened end of the detachable part 70 for accommodating the first case 52 and the second case 54 between the first case 52 and the second case 54, The coupling operation of the cover member 56 that surrounds the connection portion between the branch member 10 and the cable 34 and the housing 30 is integrally formed with the detachable part 70 is performed by the closing operation of the cover member 56 . It includes a linkage unit 80 that converts and transmits.
Therefore, when the first case 52 and the second case 54 of this embodiment are connected and coupled, the first case 52 and the second case 54 are coupled and interlocked at the same time by the coupling operation of the detachable part 70 . By the operation of the part 80, the cover member 56 is rotated around the hinge part 58 to close the connection part between the branch member 10 and the cable 34.

As described above, in this embodiment, the second case 54 is seated on the upper surface of the branching member 10 and the second case 54 after the operator has seated the branching member 10 inside the first case 52 . When pressed, the first case 52 and the second case 54 are engaged in a one-touch manner by the operation of the detachable part 70, and at the same time, the cover member 56 is closed by the operation of the linkage part 80. It is rotated around the hinge portion 58 to close the connection portion between the branch member 10 and the cable 34 .

The branch member 10 of this embodiment is formed by sequentially molding the semiconducting layer 14 and the insulating layer 16 covering the conductor member 12, and forming the end of the branch member 10 with a tapered surface. Since the socket terminal 18 is integrally formed, the cable 34 having the pin terminal 36 can be inserted into the socket terminal 18 to be electrically connected, and an adapter 32 is provided at the end of the cable 34 . and is disposed in close contact with the socket terminal 18 .

The detachable part 70 of this embodiment includes a plurality of hook members 72 formed to protrude downward from the end of the second case 54, and the upper surface of the first case 52 so that the hook members 72 are inserted. A coupling groove 74 formed in the coupling groove 74 is provided so as to protrude in an inner direction, and a hook member 76 and a hook 76 to be engaged with the hook member 72, and the hook 76 are coupled to the coupling groove part 74 ) includes a first elastic member 77 that provides an elastic force to maintain the protruding state in the inward direction.

Therefore, when the second case 54 is seated on the upper end of the first case 52, the hook member 72 is inserted into the coupling groove portion 74 to retract the engaging hook 76, and the hook member 72 When the insertion is completed, the hook member 72 and the locking hook 76 are hooked and coupled to the first elastic member 77 by the restoring force of the compressed first elastic member 77 while the locking hook 76 protrudes in the coupling groove 74 inward direction. The case 52 and the second case 54 are coupled to each other.

In addition, a release wire 78 for retracting the engaging hook 76 to release the engaging coupling between the hook member 72 and the engaging hook 76 is provided on the rear surface of the engaging hook 76 of this embodiment, and a plurality of engaging Since the plurality of release wires 78 extending from the hook 76 are simultaneously connected to one release lever exposed on the outer wall of the first case 52, when the work release wire 78 is pulled outward, a plurality of locking hooks ( 76) is retracted at the same time, the hook member 72 and the engaging coupling are released, so that the separation of the first case 52 and the second case 54 can be easily accomplished by a single tensioning operation.

The interlocking part 80 of this embodiment includes an interlocking protrusion 82 installed to protrude in the inner direction of the coupling groove 74 from the opposite side to the engaging hook 76, and the interlocking protrusion 82 extending from the hinge portion ( 58) The rack member 84 extending to the side, the pinion member 86 that is connected to the rack member 84 and transmits power to the rotation shaft of the hinge part 58, and the interlocking protrusion 82 are coupled to the coupling groove part ( 74) It includes a second elastic member that provides an elastic force for pressing in the inward direction, and a power transmission unit 88 that transmits the rotational motion of the pinion member 86 to the rotational motion of the hinge part 58 .

Therefore, when the hook member 72 is inserted into the coupling groove 74, the second inclined surface 72b is inserted and engaged while pressing the locking hook 76, and the first inclined surface 72a is the interlocking protrusion 82. By retracting while pressing, the rack member 84 is moved in the hinge portion 58 direction, and the pinion member 86 connected to the rack member 84 and the gear is rotated to provide power provided to the hinge portion 58. do.

The power transmission unit 88 of this embodiment includes a first pulley 88a installed on the rotation shaft of the pinion member 86 , a second pulley 88b installed on the rotation shaft of the hinge unit 58 , and the first pulley The (88a) and the second pulley (88b) includes a connecting belt member (88c).

Therefore, when the linear motion of the rack member 84 is converted into the rotational motion of the pinion member 86, the rotational motion of the hinge unit 58 by the first pulley 88a, the belt member 88c, and the second pulley 88b. This is made, and the pair of cover members 56 connected to the hinge part 58 are rotated toward the central part of the first case 52 to close the connection part of the cable 34 and the branch member 10 while surrounding them. do.

In addition, since the housing 30 made of an insulating material is provided on the inner wall of the cover member 56, the pair of housings 30 are closely contacted by the pair of cover members 56 disposed in close contact with each other, and the branch member 10 is ) and the connection portion between the cable 34 is wrapped.

Accordingly, since the first case and the second case surrounding the branching member are combined by one pressing operation in a one-touch manner, the time and cost required for installing the branching member can be reduced, and the first case and the second case can be combined Since the housing and the cover member that surround the connection part where the branch member and the cable are connected are coupled to cover the connection part at the same time when connecting the first case and the second case to accommodate the branch member, separate finishing work can be omitted. Thus, it is possible to provide a more effective operator's convenience, and to provide a pie branch connector for a distribution line that can prevent an electric shock accident occurring during storage or finishing work.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and various modifications and equivalent other embodiments are possible by those skilled in the art to which the art pertains. will understand

In addition, although the description has been given by taking the pi branch connector for distribution lines as an example, this is merely exemplary, and the connector of the present invention may be used for products other than the pi branch connector for distribution lines.

Accordingly, the true technical protection scope of the present invention should be defined by the following claims.

10: branch member 12: conductor member
14: semiconducting layer 16: insulating layer
18: socket terminal 30: housing
32: adapter 34: cable
36: pin terminal 52: first case
54: second case 56: cover member
58: hinge part 70: detachable part
72: hook member 72a: first inclined surface
72b: second inclined surface 74: coupling groove
76: hook hook 77: first elastic member
78: release wire 80: linkage
82: interlocking projection 84: rack member
86: pinion member 88: power transmission unit
88a: 1st pulley 88b: 2nd pulley
88c: belt member

Claims (4)

a branch member formed in a 'ㅠ' shape so as to have a plurality of connection ends;
an adapter having a socket terminal at the end of the branch member so that a cable can be connected, and wrapping a connection portion between a pin terminal of a cable inserted into the socket terminal and a socket terminal;
a housing formed of an insulating material that surrounds a connection portion between the adapter and the socket terminal;
a first case formed to surround the lower portion of the branch member, and each end of the branch member being opened to expose an end thereof;
a second case having the same or similar shape as the first case and being seated in the first case to surround the upper portion of the branching member;
a detachable part for receiving the branch member between the first case and the second case by engaging the first case and the second case when the first case and the second case are seated in close contact with each other;
a cover member that is rotatably installed at the open end of the first case by a hinge, surrounds a connection portion between the branch member and the cable, and is integrally formed with the housing; and
and an interlocking part for converting and transferring the coupling operation of the detachable part into a closing operation of the cover member,
When the first case and the second case are connected and coupled, the first case and the second case are coupled by the coupling operation of the detachable part, and the cover member rotates around the hinge part by the operation of the linkage part. A pie branch connection material for a distribution line, characterized in that it is closed so as to surround a connection portion between the branch member and the cable while being turned on.
According to claim 1,
The branch member is formed by sequentially molding a semiconducting layer covering a conductor member and an insulating layer, and forming the end of the branch member with a tapered surface to form a socket terminal integrally. connection material.
According to claim 2, wherein the detachable portion,
a plurality of hook members formed to protrude downward from the end of the second case;
a coupling groove formed on an upper surface of the first case so that the hook member is inserted;
a locking hook which is installed so as to protrude in an inner direction of the coupling groove and is engaged with the hook member; and
and a first elastic member providing an elastic force to maintain the locking hook protruding in the inner direction of the coupling groove.
4. The method of claim 3,
A release wire is provided on the rear surface of the locking hook to release the locking coupling between the hook member and the locking hook by retracting the locking hook, and the plurality of release wires extending from the plurality of locking hooks are on the outer wall of the first case. A pie branch connector for a distribution line, characterized in that it is simultaneously connected to one exposed release lever.

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