KR102375368B1 - Uninterruptible power loopback device for eletric system - Google Patents

Abstract

The present invention relates to an uninterruptible loopback device for an electric device, wherein a housing pocket recessed downward is provided, and a base block (10) having a wire arrangement groove recessed in a direction intersecting with the housing pocket on the housing pocket. ; a terminal housing 20 inserted into the housing pocket and provided with a terminal mounting part opened upwardly on one side; a terminal 30 which is inserted and mounted on the terminal mounting unit and provided with a sheath cutting blade for cutting the covering of the electric wire on one side and a core wire connection part that conducts electricity with the core of the electric wire; a block cover 40 covering the base block and having a block through hole on one side; a wire pressing block 50 that descends through the block through-hole to press down the wire placed on the coating cutting blade and cut the coating so that the core wire is connected to the core wire connection part; a pin elevating guide plate 60 mounted on the block cover and provided with a pin elevating guide hole penetrating up and down on one side; and a wire pressing pin 70 that is raised and lowered through the pin lifting guide plate and has a lower end connected to the electric wire pressing block to raise and lower the electric wire pressing block. Therefore, basically, it is possible to improve and improve workability by performing work without inconvenience to power consumers, as well as to be able to apply it to various electric devices, so that it is possible to improve product competitiveness according to excellent compatibility, etc. effect can be obtained.

Description

UNINTERRUPTIBLE POWER LOOPBACK DEVICE FOR ELETRIC SYSTEM

The present invention relates to an uninterruptible loopback device for an electric device, and more particularly, to form separate loopbacks for an input-side wire and an output-side wire connected to the electric device so that replacement or inspection of the electric device can be performed in an uninterrupted state It relates to an uninterruptible loopback device for an electric device.

An electric device as used in the present invention means an electric appliance, an electric equipment for home use, and the like, and includes, for example, a watt-hour meter. In the following description, an watt-hour meter is taken as an example for convenience of understanding, but it is clear that the device of the present invention is not limited to the watt-hour meter.

In general, a watt-hour meter is a device that measures and displays the value of various types of active power (kWh), reactive power (varh), power factor (PF), demand power (Demand), etc. within the allowable error range. In addition, it is installed wherever electricity is used and is a standard device for measuring power consumption and charging charges. It can be divided into mechanical (induction) watt-hour meters and electronic watt-hour meters according to the measurement method.

More specifically, mechanical (induction type) watt-hour meters can be classified into various types according to their use, but they are largely classified according to precision, classification according to applied circuit, use method and installation method. , single-phase 2-wire, 3-phase 3-wire, and 3-phase 4-wire products are presented according to the main line method.

In addition, the electronic watt-hour meter is used in homes and industrial sites like induction-type watt-hour meters and has the same original purpose of measuring power consumption, but it can measure various values (elements) related to power. The difference is that it can be combined to provide various additional functions.

However, most of the watt-hour meters currently in use are single-phase watt-hour meters, and both mechanical and electronic watt-hour meters are integrated with the watt-hour meter and adapter. In particular, when replacing a watt-hour meter whose lifespan has been exhausted, it is necessary to perform work for about an hour with the power turned off. had a

This problem is not limited to the watt-hour meter and may occur in many facilities or devices that use electricity. Basically, the device of the present invention is applicable to a case where it is desired to safely and quickly perform work on an electric device (representatively, inspection and replacement of a watt-hour meter, etc.) that could not be done without interrupting the flow of electricity in an uninterrupted state.

Republic of Korea Patent Publication No. 10-2004-0098865

The present invention has been devised to solve this problem, and a base block having a terminal mounting part having a terminal and a block cover having a wire pressing pin and a wire pressing block capable of pressing the electric wire while descending are provided, and they are the corresponding watt-hour meter After installing it on the electric wire of An object of the present invention is to provide an uninterruptible loopback device for electric devices that allows work on the watt-hour meter to be safely and quickly performed in an uninterrupted state through a simple operation of the wire pressure pin after quick coupling between the block and the block cover.

In addition, another object is to provide an uninterruptible loopback device for an electric device in which the terminal housing, in which the terminal is inserted, can be detachably mounted in the housing pocket of the base block, so that the replacement and replacement of the terminal housing can be performed smoothly. .

In addition, through the connection structure between the wire pressure pin and the wire pressure block, the wire pressure block moves straight up and down without shaft rotation while the wire pressure pin rotates. Another object of the present invention is to provide an uninterruptible loopback device for an electric device that can do this.

In order to achieve the above object, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, a housing pocket concave downward is provided, and the housing pocket is concave in a direction intersecting with the housing pocket on the housing pocket. a base block having a wire arrangement groove; a terminal housing inserted into the housing pocket and provided with a terminal mounting part that is opened upwardly on one side; a terminal inserted and mounted on the terminal mounting unit and provided with a sheath cutting blade for cutting the covering of the electric wire on one side and a core wire connection part conducting electricity with the core of the electric wire; a block cover covering the base block and having a block through hole on one side; a wire pressing block that descends through the block through-hole and presses down the wire placed on the coating cutting blade and cuts the coating so that the core wire is connected to the core wire connection part; a pin elevating guide plate mounted on the block cover and provided with a pin elevating guide hole penetrating up and down on one side; and an electric wire pressing pin that passes through the pin lifting guide plate and ascends and lowers and the lower end is connected to the electric wire pressing block to raise and lower the electric wire pressing block;
The connection structure of the wire pressure block and the wire pressure pin is characterized in that it has a structure such that the wire pressure block moves up and down in a straight line as the wire pressure pin rotates forward and reverse.

In addition, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, the housing pockets are spaced apart from each other by a predetermined distance along the arrangement direction of the electric wires and arranged in parallel, and along a width direction intersecting the arrangement direction of the electric wires. A pair of extensions may be provided, and a plurality of the wire arrangement grooves may be arranged in an adjacent portion of each housing pocket to be composed of two input-side wires and two output-side wires, respectively, along the width direction.

In addition, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, any one of the pair of housing pockets corresponds to two input/output wires positioned inside each of the input-side wire and the output-side wire in the width direction. It may be a first housing pocket having a narrow structure as possible, and the other one may be a second housing pocket having a wide structure to correspond to the two input/output wires positioned outside in the width direction among the input-side wire and the output-side wire, respectively. .

In addition, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, the terminal housing is provided with a pair of first and second terminal housings corresponding to the pair of housing pockets, the wire arrangement groove and A wire support part for supporting the bottom surface of the wire connected to the terminal may be provided on one side corresponding to the terminal.

In addition, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, the second terminal housing inserted into the second housing pocket is on one side forming the same line as the wire support part of the first terminal housing. It may be that a wire passing part is provided to allow the wire to pass through.

In addition, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, the terminal is provided with a pair of first and second terminals corresponding to the pair of terminal housings, and the second terminal is the wire A wire via groove through which the electric wire passes may be provided on one side forming the same line as the via part.

In addition, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, the block cover is provided with a fastener through-hole on one side and is placed on the same line with the fastener through-hole on one side of the base block corresponding thereto As a result, the block cover and the base block may be fastened and fixed by a separate cover fastener.

In addition, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, the block cover may be provided with a guide plate arrangement groove recessed so that the pin lifting guide plate is disposed on the upper surface to form the same plane.

In addition, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, the wire pressing block is connected to the wire pressing pin and ascends and descends in a tunnel shape on the bottom so that it is descended while wrapping the outer circumferential surface of the electric wire when descending. A concavely rounded wire wrapper may be provided.

In addition, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, the wire pressing block is disposed directly above the terminal on which the wire is placed to press the wire down, and the wire When the terminal is pressed downward, the terminal inlet groove may be provided so that the terminal is lowered while being inserted so that the wire pressing block is not interfered with by the terminal.

In addition, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, the wire pressing pin has a screw thread formed on the outer circumferential surface, and the pin elevating guide hole of the pin elevating guide plate corresponding thereto is threaded with the screw thread on the inner circumferential surface It may be that a screw thread is provided so that the wire pressing pin is lifted up and down by forward and reverse shaft rotation.

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In addition, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, in the connection structure of the wire pressing block and the wire pressing pin, one side is opened at the upper end of the wire pressing block and a space part recessed inwardly is provided. and a rotating plate arrangement having an entry slit that is opened upwards and narrowly formed in the width direction is provided so that the lower end of the wire pressing pin is penetrated, and the wire pressing pin corresponding to this is arranged at the lower end of the rotating plate arrangement part and rotated axially and the entry slit A rotating plate caught on the lower surface of the locking jaw is provided, and a small-diameter portion for allowing the rotating plate to enter the rotating plate arrangement portion through the entry slit is provided on an adjacent upper portion of the rotating plate, and the rotating plate is the rotating plate when the electric wire pressing pin is axially rotated in place It may have a structure that allows it to wander in place within the placement unit.

In addition, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, the wire pressing pin may be provided with a handle having a serration at an upper end thereof.

In addition, in the uninterruptible loopback device for an electric device according to an embodiment of the present invention, the base block may be provided with a separate leg supporting the base block on a bottom surface thereof.

As described above, the uninterruptible loopback device for an electric device of the present invention provides a base block provided with a terminal mounting part having a terminal and a block cover having a wire pressing pin and a wire pressing block capable of pressing the wire while descending, After being installed on the electric wire of the electric device, electricity is passed between the core wire and the terminal by cutting the wire sheath through the operation of the wire pressure pin, and the electric device can be replaced or inspected while a separate loopback is formed. , basically, after quick coupling between the base block and the block cover, work on the electric device is made in the uninterrupted state through simple operation of the wire pressure pin. It is possible to obtain the effect that it is possible to achieve the back.

In addition, by enabling the terminal housing into which the terminal is inserted to be detachably mounted in the housing pocket of the base block, the replacement and replacement of the terminal housing is performed smoothly, so that it can be applied to various electric devices and excellent compatibility, etc. Accordingly, the effect of improving product competitiveness can be obtained.

In addition, through the connection structure between the wire pressure pin and the wire pressure block, the wire pressure block moves straight up and down without shaft rotation while the wire pressure pin rotates. As a result, it is possible to obtain an effect that leads to reduction of parts manufacturing cost and assembly cost due to a simple part structure and part combination.

1 is a perspective view showing an uninterruptible loopback device for an electric device according to an embodiment of the present invention.
2 is an exploded perspective view illustrating an uninterruptible loopback device for an electric device according to an embodiment of the present invention.
3 is a perspective view illustrating a base block of an uninterruptible loopback device for an electric device according to an embodiment of the present invention.
4 is a perspective view illustrating a terminal housing in which a terminal is mounted among the uninterruptible loopback device for an electric device according to an embodiment of the present invention.
5 is a perspective view illustrating a state in which the terminal housing of FIG. 4 is mounted on the base block.
6 is a front view showing the first terminal of the uninterruptible loopback device for an electric device according to an embodiment of the present invention.
7 is a front view showing the second terminal of the uninterruptible loopback device for an electric device according to an embodiment of the present invention.
8 is a perspective view illustrating a state in which a wire pressing block and a wire pressing pin are connected in an uninterruptible loopback device for an electric device according to an embodiment of the present invention.
9 is a front view illustrating a terminal housing in which a terminal is mounted among the uninterruptible loopback device for an electric device according to an embodiment of the present invention.
10 is a perspective view illustrating a state in which wires are disposed on the terminal housing of FIG. 9 .
11 is a main partial front view showing a state in which the wire pressing block is positioned on the wire of FIG. 10 .
12 is a front view showing a state in which the electric wire pressing block on the electric wire of FIG. 11 descends and presses the electric wire down.
13 is a major front view showing a state in which the terminals of the terminal housing and the core wires of the electric wires are connected to each other by FIG. 12 .
14 is a schematic diagram illustrating a state in which the uninterruptible loopback device for an electric device according to an embodiment of the present invention is mounted on the wires of the watt-hour meter.

Hereinafter, the present invention will be described based on the accompanying drawings.

1 to 14, the uninterruptible loopback device for an electric device according to an embodiment of the present invention includes a base block 10, terminal housings 21 and 22, terminals 31 and 32, and a block It includes a cover 40 , a wire pressing block 50 , a pin lifting guide plate 60 , and a wire pressing pin 70 .

The base block 10 has a rectangular block shape, and the housing pockets 11 and 12 in the shape of a rectangle concave downward are provided on the upper surface thereof, and the housing pockets 11 and 12 are provided on the housing pockets 11 and 12. ) and has a structure having round-shaped wire arrangement grooves 13 and 14 concave downwards along the direction intersecting it.

In more detail, the housing pockets 11 and 12 are arranged parallel to each other at a predetermined distance along the arrangement direction of the electric wires 5 and extend along the width direction intersecting the arrangement direction of the electric wires 5. A pair is provided in the shape of a concave groove, and the electric wire arrangement grooves 13 and 14 are provided at adjacent portions in the arrangement direction and width direction of the electric wires 5 of each of the housing pockets 11 and 12 in the width direction. It has a structure in which a plurality of strands are arranged so as to be composed of the input-side wires 5a and 5b and the output-side wires 5c and 5d.

In particular, any one of the pair of housing pockets 11 and 12 has two input/output wires 5b positioned adjacent to each other in the width direction among the input-side wires 5a and 5b and the output-side wires 5c and 5d, respectively. It becomes the first housing pocket 11 having a narrow structure to correspond to 5c), and the other one is input/output of two strands positioned outside the width direction among the input-side wires 5a and 5b and the output-side wires 5c and 5d, respectively. The second housing pocket 12 has a wide structure so as to correspond to the electric wires 5a and 5d.

And, on both sides of the upper surface of the base block 10, the cover fastening holes 15 for fastening the separate cover fasteners 43 in the same line with the fastener through holes 42 of the block cover 40 are provided. is provided.

In addition, the base block 10 is fixed by a separate leg fixing pin 16 on the bottom surface is provided with separate legs 17 for supporting the base block 10 .

The terminal housings 21 and 22 have a rectangular bar shape to be inserted into the housing pockets 11 and 12, open upward on their upper surface and concave downward in the width direction to allow the terminal 30 to be inserted. Slit-shaped terminal mounting portions 21a and 22a are provided.

In more detail, the terminal housings 21 and 22 are provided with a pair of first and second terminal housings 21 and 22 corresponding to the pair of housing pockets 11 and 12, and the wire arrangement grooves ( 13 and 14) and a pair of concavely rounded wire support portions 21b and 22b, respectively, are provided on one side corresponding to the terminals 31 and 32 to support the bottom surface of the electric wire 5 connected to the terminals 31 and 32. .

In particular, in the second terminal housing 22 inserted into the second housing pocket 12, the electric wire 5 is located in the central portion forming the same line as the electric wire support portion 21b of the first terminal housing 21. A pair of concavely rounded wire passage portions 22c in a shape that supports the bottom surface of the electric wire 5 so as to pass through without interfering with the terminals 31 and 32 are provided.

The terminals 31 and 32 are inserted and mounted in the terminal mounting portions 21a and 21b and stand upright, and the V-shaped covering cutting blades 31a and 32a for cutting the sheath 7 of the electric wire 5 at the upper end thereof and the It has a thin and elongated plate shape provided with core wire connecting portions 31b and 32b that conduct electricity with the core wire 9 of the electric wire 5 .

In more detail, the terminals 31 and 32 are provided with a pair of first and second terminals 31 and 32 corresponding to the pair of terminal housings 21 and 22, and in particular, the second terminal ( 32) is rounded concavely in a shape that supports the bottom of the electric wire 5 so that the electric wire 5 passes through the central portion that is collinear with the electric wire passing portion 22c without energization with the second terminal 32. A pair of wire through grooves 32c are provided.

The block cover 40 is recessed upward from the bottom to cover the base block 10, and has a plurality of block through-holes penetrating downward so that the electric wire pressing block 50 can pass through the top surface ( 41) is provided with a cover structure.

And, the block cover 40 is provided with a pair of fastener through-holes 42 on both sides in the width direction, and on the same line as the cover fastening holes 15 on both sides of the width direction of the base block 10 corresponding thereto. In the placed state, the block cover 40 and the base block 10 are fastened and fixed by a separate cover fastener 43 .

In addition, the block cover 40 is provided with a guide plate arrangement groove 44 recessed so that the pin lifting guide plate 60 is disposed on the upper surface to form the same plane as the upper surface of the block cover 40 .

The electric wire pressing block 50 is made in plurality to correspond to each electric wire 5, and the electric wire 5 descends through the block through hole 41 and is placed on the covering cutting blades 31a and 32a. ) is pressed downward and the sheath 7 is cut, and then the core wire 9 is in the shape of a square block to be connected to the core wire connection parts 31b and 32b.

In more detail, the electric wire pressing block 50 is connected to the electric wire pressing pin 70 and ascends and descends upward and downward in a tunnel shape on the bottom surface so as to be lowered while wrapping the upper outer peripheral surface of the electric wire 5 when descending. A wire wrapper 51 is provided.

And, the wire pressing block 50 is disposed directly above the terminals 31 and 32 on which the wire 5 is placed so as to press the wire 5 downward, and the wire wrapper 51 and When the electric wire 5 is pressed down on both sides of the orthogonal width direction, the covering cutting blades 31a and 32a of the terminals 31 and 32 are inserted and lowered so that the electric wire pressing block 50 is lowered when the terminal is lowered. A slit-shaped terminal inlet groove 52 cut upward so as not to be interfered by (31, 32) is provided.

The pin elevating guide plate 60 is mounted on the block cover 40 and provided with a plurality of pin elevating guide holes 61 penetrating downward through the upper surface.

Unexplained reference numeral 62 denotes a guide plate fastener, and 63 denotes a fastener through-hole 63 for guiding the guide plate fastener 62 to be penetrated and fastened to the block cover 40 .

The wire pressing pin 70 passes through the pin elevation guide hole 61 of the pin elevation guide plate 60, and the lower end is connected to the wire pressing block 50 to elevate the wire pressing block 50 integrally. The shiki is in the shape of a long rod.

In addition, the wire pressing pin 70 has a large-diameter cylindrical shape at its upper end, and a handle 71 having a sawtooth-shaped serration is provided on its outer peripheral surface.

On the other hand, the wire pressing pin 70 has a screw thread 72 formed on its outer circumferential surface, and the pin elevating guide hole 61 of the pin elevating guide plate 60 corresponding thereto is threaded with the screw thread 72 on the inner circumferential surface ( 61a) is provided so that the wire pressing pin 70 is raised and lowered by forward and reverse shaft rotation.

The connection structure of the wire pressure block 50 and the wire pressure pin 70 has a structure such that the wire pressure block 50 moves up and down in a straight line as the wire pressure pin 70 rotates forward and reverse. In more detail, the connection structure of the wire pressure block 50 and the wire pressure pin 70 is provided with a space with one side open at the upper end of the wire pressure block 50 and recessed inwardly, and the wire pressure pin ( The rotating plate arrangement part 54 is provided with an entry slit 53 that is opened upward so that the lower end of the 70) is penetrated and is narrowly formed in the width direction, and the wire pressing pin 70 corresponding to this is provided at the lower end of the rotating plate arrangement part ( 54), the rotation plate 73 is provided, which is axially rotated and is caught on the lower surface engaging protrusion 53a of the entry slit 53, and the rotation plate through the entry slit 53 on the adjacent upper part of the rotation plate 73 A small-diameter portion 54 is provided so that (73) enters the rotating plate arrangement unit 54, and when the electric wire pressing pin 70 rotates in place, the rotating plate 73 is positioned in the rotating plate arrangement unit 54. It is structured so as to be in vain.

An operation process of the uninterruptible loopback device for an electric device of the present invention according to the above configuration will be described as follows.

First, the first and second terminal housings 21 and 22 in which the first and second terminals 31 and 32 are inserted and fixed in the first and second housing pockets 11 and 12 of the base block 10 are mounted.

Then, each wire pressing pin 70 is screwed through the pin elevating guide hole 61 of the pin elevating guide plate 60 so that the lower end thereof is exposed to the bottom of the pin elevating guide hole 61, and then the exposed lower end and the wire pressure block 50 are connected to each other.

That is, by inserting the rotating plate 73 at the bottom of the wire pressing pin 70 into the rotating plate arrangement 54 through the entry slit 53, the state caught in the locking jaw 53a of the entry slit 53 of the rotating plate 73 is make it possible

Then, the pin lifting guide plate 60 is placed in the guide plate arrangement groove portion 44 of the block cover 40 and fastened with the guide plate fastener 62 to attach the pin lifting guide plate 60 to the block cover 40 upper surface. Fix it.

Then, the wire pressure block 50 connected to the lower end of the wire pressure pin 70 is located inside the block through hole 41 of the block cover 40 .

In this state, the first and second terminals 31 and 32 of the first and second terminal housings 21 and 22 mounted on the base block 10 are connected to the wires 5 of the electric device to be replaced or inspected. Arranged so as to be placed on the covering cutting blades (31a, 32a) of the.

Then, the block cover 40 is overlaid on the upper side of the base block 10, and through the fastener through-holes 42 on both sides, each cover fastener 43 is downwardly penetrated to the corresponding cover of the base block 10. By fastening it to the fastening hole 15, the block cover 40 and the base block 10 are coupled and fixed to each other.

Then, when the handle 71 of the wire pressure pin 70 is pivotally rotated, the wire pressure block 50 descends straight down and presses down while wrapping the wire 5 below, and at this time, the cover of the wire 5 ( 7) is cut by the covering cutting blades 31a and 32a, the inner core wire 9 is connected to the corresponding core wire connection parts 31b and 32b, and electricity is applied.

In this way, all the wire pressing pins 70 are sequentially operated to cut the covering 7 of all the electric wires 5 by the corresponding electric wire pressing block 50, and all connections to the respective core wires 9 are made.

That is, the input-side wire 5b is energized with the output-side wire 5c through the first terminal 31, and the input-side wire 5a is energized with the output-side wire 5d via the second terminal 32, as a result It is possible to form a loopback in which current flows from the input side wires 5a and 5b to the output side wires 5c and 5d through the first and second terminals 31 and 32.

In this way, it is possible to perform replacement or inspection of the corresponding electric device 80 while basically maintaining a state in which current flow is not interrupted.

In this way, the uninterruptible loopback device for an electric device of the present invention provides a base block provided with a terminal mounting part having a terminal and a block cover having a wire pressing pin and a wire pressing block capable of pressing the wire while descending, and After installing on the electric wire of the device, the electric device can be replaced or inspected while the electric device is replaced or inspected with a separate loopback formed while current is energized between the core wire and the terminal by cutting the wire sheath through the operation of the wire pressure pin. As a result, workability is improved and improved by performing work without inconvenience to power consumers by enabling work to be done on electrical devices in an uninterrupted state through simple operation of the wire pressure pin after quick coupling between the base block and the block cover. be able to promote

In addition, by enabling the terminal housing into which the terminal is inserted to be detachably mounted in the housing pocket of the base block, the replacement and replacement of the terminal housing is performed smoothly, so that it can be applied to various electric devices and excellent compatibility, etc. Accordingly, it is possible to try to improve product competitiveness, etc.

In addition, through the connection structure between the wire pressure pin and the wire pressure block, the wire pressure block moves straight up and down without shaft rotation while the wire pressure pin rotates. As a result, it leads to reduction of parts manufacturing cost and assembly cost due to a simple part structure and part combination.

As described above, the present invention has been described with reference to the above preferred embodiments, but the technical field to which the present invention belongs in the claims and detailed description of the present invention, as well as modified examples in which these embodiments are simply combined and applied with conventional known techniques All technologies that can be easily changed and used by those skilled in the art will be considered to be naturally included in the technical scope of the present invention.

**Explanation of symbols for main parts of the drawing**
5: Wire 5a, 5b: Input side wire
5c, 5d: output side wire 7: sheath
9: core wire 10: base block
11: first housing pocket 12: second housing pocket
13, 14: wire arrangement groove 15: cover fastening hole
16: leg fixing pin 17: leg
21: terminal 1 housing 21a: terminal mounting part
21b: wire support part 22: second terminal housing
22a: terminal mounting part 22b: electric wire support part
22c: wire through section 31: Terminal 1
31a: sheath cutting blade 31b: core wire connection part
32: terminal 2 32a: sheath cutting blade
32b: core wire connection part 32c: wire through groove
40: block cover 41: block through hole
42: fastener through hole 43: cover fastener
44: guide plate arrangement groove 50: electric wire pressure block
51: wire wrap 52: terminal inlet groove
53: entry slit 53a: locking jaw
60: pin elevating guide plate 61: pin elevating guide hole
62: guide plate fastener 63: fastener through hole
70: wire pressure pin 71: handle
72: thread 73: rotating plate
74: small diameter part 80: watt-hour meter

Claims (9)

a base block having a housing pocket concave downward and having a wire arrangement groove concave in a direction intersecting with the housing pocket on the housing pocket;
a terminal housing inserted into the housing pocket and provided with a terminal mounting part that is opened upwardly on one side;
a terminal inserted and mounted on the terminal mounting unit and provided with a sheath cutting blade for cutting the covering of the electric wire on one side and a core wire connection part conducting electricity with the core of the electric wire;
a block cover covering the base block and having a block through hole on one side;
a wire pressing block that descends through the block through-hole and presses down the wire placed on the coating cutting blade and cuts the coating so that the core wire is connected to the core wire connection part;
a pin elevating guide plate mounted on the block cover and provided with a pin elevating guide hole penetrating up and down on one side; and
a wire pressing pin having a lower end connected to the wire pressing block and lifting and lowering the electric wire pressing block through the pin lifting guide plate;
including,
The uninterruptible loopback device for an electric device, characterized in that the connection structure of the wire pressure block and the wire pressure pin has a structure such that the wire pressure block moves up and down in a straight line as the wire pressure pin rotates forward and backward. According to claim 1,
A pair of the housing pockets are arranged in parallel with a predetermined distance apart along the arrangement direction of the electric wires and extend along a width direction intersecting the arrangement direction of the electric wires. An uninterruptible loopback device for an electric device, characterized in that a plurality of grooves are arranged so that each of the two pieces of input-side wire and output-side wire is formed along the width direction. 3. The method of claim 2,
One of the pair of housing pockets is a first housing pocket having a narrow structure so as to correspond to two input/output wires positioned inside the width direction among the input-side wire and the output-side wire, respectively, and the other is the input-side wire and An uninterruptible loopback device for an electric device, characterized in that the second housing pocket has a large structure to correspond to the two input/output wires located on the outside in the width direction among the output-side wires. 4. The method of claim 3,
In the terminal housing, a pair of first and second terminal housings are provided to correspond to the pair of housing pockets, and a wire support portion supporting the bottom surface of the wire connected to the terminal is provided on one side corresponding to the wire arrangement groove. An uninterruptible loopback device for an electric device, characterized in that provided. 5. The method of claim 4,
The second terminal housing inserted into the second housing pocket has an uninterruptible loopback device for an electric device, characterized in that a wire passing portion through which the electric wire passes is provided on one side forming the same line as the wire support portion of the first terminal housing. . 6. The method of claim 5,
The terminal is provided with a pair of first and second terminals corresponding to the pair of terminal housings, and the second terminal has a wire via groove through which the wire passes through one side forming the same line as the wire via part. An uninterruptible loopback device for an electric device, characterized in that provided. According to claim 1,
The block cover is provided with a fastener through hole on one side, and the block cover and the base block are fastened and fixed by a separate cover fastener in a state that is placed on the same line with the fastener through hole on one side of the base block corresponding thereto An uninterruptible loopback device for an electric device, characterized in that. According to claim 1,
The uninterruptible loopback device for an electric device, characterized in that the block cover is provided with a guide plate arrangement groove recessed so that the pin elevating guide plate is disposed on the upper surface to form the same plane. According to claim 1,
The electric wire pressing block is connected to the electric wire pressing pin and ascends and descends, and when descending, an uninterruptible loopback device for an electric device, characterized in that a concave rounded wire wrapper is provided on the bottom surface in a tunnel shape so as to be lowered while wrapping the outer circumferential surface of the electric wire.

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