KR200438004Y1 - A cable connector - Google Patents

A cable connector Download PDF

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Publication number
KR200438004Y1
KR200438004Y1 KR2020060029709U KR20060029709U KR200438004Y1 KR 200438004 Y1 KR200438004 Y1 KR 200438004Y1 KR 2020060029709 U KR2020060029709 U KR 2020060029709U KR 20060029709 U KR20060029709 U KR 20060029709U KR 200438004 Y1 KR200438004 Y1 KR 200438004Y1
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KR
South Korea
Prior art keywords
cable
coupling
hole
terminal
fastening
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KR2020060029709U
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Korean (ko)
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김경수
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김경수
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Priority to KR2020060029709U priority Critical patent/KR200438004Y1/en
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Publication of KR200438004Y1 publication Critical patent/KR200438004Y1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/625—Casing or ring with bayonet engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap

Abstract

본 고안은 전력선과 같은 케이블을 연결하는데 사용되는 컨넥터에 관한 것으로, 보다 상세하게는 소켓이 플러그에 삽입되어 일정 각도 회전됨으로써 결합돌기와 결합경사홈이 스프링에 의해 고정결합되어, 종래와 같은 나사 회전에 의한 체결방식에서 오는 불편함과 불량한 접점에 의한 전기 스파크의 발생을 방지하고, 케이블의 연결이 몇도 정도의 회전에 의해 이루어지는 원터치식으로 간편하게 이루어지도록 한 케이블 컨넥터에 관한 것이다. The present invention relates to a connector used to connect a cable such as a power line, and more particularly, the socket is inserted into the plug and rotated at an angle, so that the coupling protrusion and the coupling inclined groove are fixedly coupled by a spring, and thus to the conventional screw rotation. The present invention relates to a cable connector which prevents the occurrence of electrical sparks due to the inconvenience and the bad contact caused by the fastening method, and makes the connection of the cable simple and one-touch by rotation of several degrees.

본 고안에 따르면, 케이블을 고정하는 케이블고정볼트가 일측 단부에 나사체결되고, 타측 단부에 중심축부를 따라 체결공이 일정 깊이까지만 형성되며, 원통면에 결합경사홈이 나선형의 형상으로 체결공과 관통되게 뚫리고, 체결공의 내측면에 체결공의 외측부와 결합경사홈이 연결되게 돌기홈이 형성된 소켓본체; 케이블을 고정하는 케이블고정볼트가 일측 단부에 나사체결되고, 타측 단부에 중심축부를 따라 단자공이 일정 깊이까지만 형성되며, 상기 단자공에 삽입된 스프링에 탄성지지되게 단자체결볼트에 의해 접촉단자가 설치되고, 외측면에 결합돌기가 돌설된 플러그본체; 상기 소켓본체 및 플러그본체를 감싸도록 설치된 커버;를 포함하여 구성된 케이블 컨넥터가 제공된다.According to the present invention, the cable fixing bolt for fixing the cable is screwed to one end, the fastening hole is formed only a certain depth along the central axis portion at the other end, the coupling inclined groove in the cylindrical surface to penetrate the fastening hole in the spiral shape A socket body having a protrusion groove formed therein to be connected to the outer side of the coupling hole and the coupling inclined groove on the inner surface of the coupling hole; The cable fixing bolt for fixing the cable is screwed at one end, the terminal hole is formed only a certain depth along the central axis portion at the other end, the contact terminal is installed by the terminal fastening bolt to elastically support the spring inserted into the terminal hole A plug body with a coupling protrusion protruding from the outer surface thereof; The cover is provided to surround the socket body and the plug body; there is provided a cable connector configured.

케이블 컨넥터, 접촉단자, 소켓, 플러그  Cable Connector, Contact Terminal, Socket, Plug

Description

케이블 컨넥터{A cable connector}Cable connector {A cable connector}

도 1은 본 고안의 사시도1 is a perspective view of the present invention

도 2는 본 고안의 분해 사시도2 is an exploded perspective view of the present invention

도 3은 본 고안의 결합부 상세 사시도3 is a detailed perspective view of the coupling portion of the present invention

도 4는 본 고안의 결합 작동을 나타낸 상태도Figure 4 is a state diagram showing the combined operation of the present invention

도 5는 본 고안이 결합된 상태의 단면도 Figure 5 is a cross-sectional view of the present invention combined

※ 도면의 주요 부분에 대한 부호의 설명※ Explanation of codes for main parts of drawing

1 : 케이블 2 : 케이블고정볼트1: Cable 2: Cable fixing bolt

3 : 체결공 4 : 결합경사홈3: fastening hole 4: combined slope groove

5 : 돌기홈 6 : 소켓본체5: protrusion groove 6: socket body

7 : 단자공 8 : 스프링7: terminal hole 8: spring

9 : 단자체결볼트 10 : 접촉단자9: Terminal tightening bolt 10: Contact terminal

11 : 결합돌기 12 : 플러그본체11: coupling protrusion 12: plug body

13 : 커버 14 : 안착홈13 cover 14 seating groove

15 : 압착구 16 : 커버핀15: crimping hole 16: cover pin

본 고안은 전력선과 같은 케이블을 연결하는데 사용되는 컨넥터에 관한 것으로, 보다 상세하게는 소켓이 플러그에 삽입되어 일정 각도 회전됨으로써 결합돌기와 결합경사홈이 스프링에 의해 고정결합되어, 종래와 같은 나사 회전에 의한 체결방식에서 오는 불편함과 불량한 접점에 의한 전기 스파크의 발생을 방지하고, 케이블의 연결이 몇도 정도의 회전에 의해 이루어지는 원터치식으로 간편하게 이루어지도록 한 케이블 컨넥터에 관한 것이다. The present invention relates to a connector used to connect a cable such as a power line, and more particularly, the socket is inserted into the plug and rotated at an angle, so that the coupling protrusion and the coupling inclined groove are fixedly coupled by a spring, and thus to the conventional screw rotation. The present invention relates to a cable connector which prevents the occurrence of electrical sparks due to the inconvenience and the bad contact caused by the fastening method, and makes the connection of the cable simple and one-touch by rotation of several degrees.

산업용 기기를 비롯하여 각종 기계장비와 용접 장비 등에는 사용 전력의 용량에 따라 다양한 굵기의 전력선(케이블)이 사용되고 있다. 특히 용량이 큰 케이블의 경우는 기계장비와 별도로 분리하여 이동하는 등 취급에 있어서 많은 주의기 요하게 된다.Various types of power lines (cables) are used for industrial equipment, various mechanical equipments and welding equipments according to the capacity of power used. In particular, a cable with a large capacity requires a lot of attention in handling such as moving separately from the mechanical equipment.

이와 같이 케이블은 기계장비와 접속하거나, 케이블과 케이블의 단부를 이음하는 등 연결이 필수적이다. 그러나 굵은 케이블의 경우 꼬아서 접속하기가 어려워 이음을 위한 별도의 도구가 필요하고, 이에 사용되는 것이 케이블 컨넥터이다.In this way, the connection is essential, such as connecting the cable to the mechanical equipment, or connecting the cable and the end of the cable. However, in the case of thick cables, it is difficult to twist and connect a separate tool for the joint, and the cable connector is used for this.

종래의 케이블 컨넥터의 경우는 볼트와 너트와 같은 나사 체결방식을 취하는 것으로, 수나사가 형성된 접속단부를 일측 케이블의 단부에 연결하고, 암나가 형성된 접속단부를 타측 케이블의 단부에 연결한 후, 접속단부를 나사체결하여 케이블을 연결하였다.In the case of a conventional cable connector, a screw fastening method such as a bolt and a nut is used. The connection end portion of the male thread is connected to the end of one cable, and the connection end portion of the female thread is connected to the end of the other cable. Screw to connect the cable.

그러나, 나사체결 방식이기 때문에, 접속단부를 수십회를 회전시켜야 완전하게 체결되는 불편함이 있었고, 회전에 의하여 케이블 자체가 회전되어 꼬임 상태로 있게 됨으로써 항상 다시 풀릴 염려가 있으며, 풀릴 경우 케이블의 접속이 불완전하게 되어 전기 스파크의 발생으로 화재의 위험까지 있었다.However, because of the screw fastening method, the connection end part has to be rotated dozens of times inconveniently to be completely tightened, and the cable itself is rotated and twisted by the rotation, so there is a concern that it will always be released again. This imperfection caused the electrical sparks to cause a fire hazard.

본 고안의 목적은 상기와 같은 종래의 문제점을 해소하기 위한 것으로, 케이블의 체결시 간단한 몇도의 회전에 의해 원터치식으로 체결되게 함으로써 케이블이 꼬이지 않도록 하고, 체결시에는 결합돌기가 안착홈에 고정되는 구조를 가짐으로써 체결된 후에는 진동이나 충격에 의해서도 체결이 해제되지 않도록 하며, 스프링에 의해 접속단자가 항상 접촉연결되게 하여 스파크의 발생이 방지되는 케이블 컨넥터를 제공함에 있다.An object of the present invention is to solve the conventional problems as described above, by fastening the cable by a few simple rotations when the cable is fastened so that the cable is not twisted, and the coupling projection is fixed to the seating groove during the fastening By having a structure that is to be fastened so that the fastening is not released even by vibration or shock, and the connection terminal is always in contact by the spring to provide a cable connector that prevents the occurrence of sparks.

이하 본 고안의 구성 및 작용을 첨부 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, the configuration and operation of the present invention will be described in detail with reference to the accompanying drawings.

본 발명에 의한 케이블 컨넥터는 케이블(1)을 고정하는 케이블고정볼트(2)가 일측 단부에 나사체결되고, 타측 단부에 중심축부를 따라 체결공(3)이 일정 깊이까지만 형성되며, 원통면에 결합경사홈(4)이 나선형의 형상으로 체결공(3)과 관통되게 뚫리고, 체결공(3)의 내측면에 체결공(3)의 외측부와 결합경사홈(4)이 연결되게 돌기홈(5)이 형성된 소켓본체(6); 케이블(1)을 고정하는 케이블고정볼트(2)가 일측 단부에 나사체결되고, 타측 단부에 중심축부를 따라 단자공(7)이 일정 깊이까지만 형성되며, 상기 단자공(7)에 삽입된 스프링(8)에 탄성지지되게 단자체결볼트(9)에 의해 접촉단자(10)가 설치되고, 외측면에 결합돌기(11)가 돌설된 플러그본체(12); 상기 소켓본체(6) 및 플러그본체(12)를 감싸도록 설치된 커버(13);를 포함하여 구성된다.In the cable connector according to the present invention, the cable fixing bolt (2) for fixing the cable (1) is screwed at one end, and the fastening hole (3) is formed only to a certain depth along the central axis portion at the other end, the cylindrical surface The coupling inclined groove 4 is penetrated to penetrate the fastening hole 3 in a spiral shape, and the protrusion groove so that the outer side of the fastening hole 3 and the coupling inclined groove 4 are connected to the inner side of the fastening hole 3. 5) a socket body 6 is formed; The cable fixing bolt (2) for fixing the cable (1) is screwed to one end, the terminal hole (7) is formed only a certain depth along the central axis portion at the other end, the spring inserted into the terminal hole (7) A plug main body 12 in which a contact terminal 10 is installed by the terminal fastening bolt 9 so as to be elastically supported at the end portion 8, and a coupling protrusion 11 protrudes on an outer surface thereof; And a cover 13 installed to surround the socket body 6 and the plug body 12.

상기의 소켓본체(6)의 결합경사홈(4)의 플러그본체(12)측에는 결합돌기(11)가 삽입되는 안착홈(14)이 형성된다.On the plug body 12 side of the coupling inclined groove 4 of the socket body 6, a seating groove 14 into which the coupling protrusion 11 is inserted is formed.

이와 같은 구조를 가진 케이블 컨넥터는 플러그본체(12)와 소켓본체(6)의 일측에 케이블(1)이 연결된다. 즉, 도 2에 도시된 바와 같이 케이블(1)의 단부를 케이블고정볼트(2)의 내부로 삽입시킨 후, 소켓본체(6)와 플러그본체(12) 내부로 각각 삽입시키게 되면, 내부에 위치된 압착구(15)가 케이블(1)의 심선들을 소켓본체(6)와 플러그본체(12)에 밀착시켜 고정하고, 이에 케이블고정볼트(2)을 체결하게 되면, 케이블(1)은 견고히 소켓본체(6)와 플러그본체(12)에 각각 고정된다.The cable connector having such a structure has a cable 1 connected to one side of the plug body 12 and the socket body 6. That is, after inserting the end of the cable (1) into the inside of the cable fixing bolt (2), as shown in Figure 2, respectively inserted into the socket body 6 and the plug body 12, located inside When the crimping hole 15 is secured by closely contacting the core wires of the cable 1 to the socket body 6 and the plug body 12, and fastening the cable fixing bolt 2 thereto, the cable 1 is firmly socketed. The main body 6 and the plug main body 12 are respectively fixed.

이와 같이 케이블(1)의 이음 단부에는 소켓본체(6)와 플러그본체(12)가 고정되면, 케이블(1)을 연결하기 위하여 소켓본체(6)와 플러그본체(12)를 체결시키면 된다.As such, when the socket body 6 and the plug body 12 are fixed to the joint end of the cable 1, the socket body 6 and the plug body 12 may be fastened to connect the cable 1.

본 고안은 소켓본체(6)와 플러그본체(12)가 체결되는 구조에 특징이 있는 것으로, 약간의 회전만으로 체결되는 원터치식이고, 접촉단자(10)가 스프링(8)에 의해 탄성지지되어 접촉이 유지됨에 특징이 있다.The present invention is characterized in that the socket body 6 and the plug body 12 is fastened, one-touch type is fastened only by a slight rotation, the contact terminal 10 is elastically supported by the spring (8) to contact This is characterized by being maintained.

도 3에 도시된 바와 같이 플러그본체(12)를 소켓본체(6)로 끼운 후, 결합경사홈(4)의 길이만큼만 회전시키게 되면 결합돌기(11)가 안착홈(14)에 삽입되어 체결되는 구조이다. 즉, 플러그본체(12)를 소켓본체(6)의 체결공(3)으로 삽입하면, 결합돌기(11)가 돌기홈(5)에 끼워져 내부로 이동되고, 돌기홈(5)을 지난 결합돌기(11)는 결합경사홈(4)에 삽입된다.After inserting the plug main body 12 into the socket main body 6 as shown in FIG. 3, when only the length of the coupling inclined groove 4 is rotated, the coupling protrusion 11 is inserted into the seating groove 14 and fastened. Structure. That is, when the plug main body 12 is inserted into the fastening hole 3 of the socket main body 6, the engaging projection 11 is inserted into the projection groove 5 and moved inside, and the engaging projection passing through the projection groove 5 11 is inserted into the coupling inclined groove (4).

이 상태에서는 접촉단자(10)가 도 5에서와 같이 스프링(8)에 의해 탄성지지되어 소켓본체(6)의 체결공(3) 저면에 접촉된 상태가 된다. 그리고 플러그본체(12)를 회전시키게 되면, 결합돌기(11)는 결합경사홈(4)을 따라 이동되다가 안착홈(14)에 삽입되어 고정된다.In this state, the contact terminal 10 is elastically supported by the spring 8 as shown in FIG. 5 to be in contact with the bottom surface of the fastening hole 3 of the socket body 6. When the plug body 12 is rotated, the coupling protrusion 11 is moved along the coupling inclined groove 4 and then inserted into and fixed to the seating groove 14.

결합경사홈(4)은 나선형으로 일정 길이 형성되어 있어, 결합돌기(11)가 결합경사홈(4)을 따라 이동됨에 따라 접촉단자(10)가 스프링(8)을 압축시켜 탄성복원력이 점점 커지게 되고, 이에 따라 접촉력이 향상된다.Coupling inclined groove (4) is formed in a predetermined length in a spiral, as the engaging projection 11 is moved along the coupling inclined groove (4) the contact terminal 10 compresses the spring (8), the elastic restoring force is gradually increased And thus the contact force is improved.

그리고, 결합돌기(11)가 안착홈(14)에 삽입되면, 스프링(8)의 탄성력에 의하여 견고히 결합된 상태를 유지하게 되고, 외력으로 플러그본체(12)를 눌러 결합돌기(11)를 안착홈(14)에서 빠지게 하지 않는 이상은 체결이 쉽게 해제되지 않는 장점을 가진다.When the coupling protrusion 11 is inserted into the seating groove 14, the coupling protrusion 11 is firmly held by the elastic force of the spring 8, and the plug protrusion 12 is pressed by the external force to seat the coupling protrusion 11. As long as it does not fall out of the groove 14, the fastening is not easily released.

이와 같이 케이블(1)이 연결된 상태가 도 5에 단면도로서 도시되어 있다. 즉 스프링(8)에 의해 탄성 지지된 접촉단자(10)가 소켓본체(6)에 긴밀히 접촉됨으로서, 케이블(1)의 접속력이 유지된다.The state in which the cable 1 is connected in this way is shown in FIG. That is, the contact terminal 10 elastically supported by the spring 8 is in close contact with the socket body 6, thereby maintaining the connection force of the cable (1).

그리고 본 고안은 소켓본체(6)와 플러그본체(12)에 커버(13)가 설치될 수도 있다. 커버(13)는 커버핀(16)으로 고정되는 구조를 거질 수도 있는데, 이 경운,ㄴ 커버핀(16)이 관통되는 구멍이 소켓본체(6), 플러그본체(12) 및 커버(13)에 형성되어 있다.And the present invention may be installed in the socket body 6 and the plug body 12, the cover (13). Cover 13 may have a structure that is fixed to the cover pin 16, this tillage, the hole through which the cover pin 16 penetrates the socket body 6, the plug body 12 and the cover 13 Formed.

이와 같이 본 고안은 케이블(1)의 체결시 간단한 몇도의 회전에 의해 원터치식으로 체결되어 케이블(1)이 꼬이지 않게 되고, 체결시에는 결합돌기(11)가 안착홈(14)에 고정되는 구조로 되어 체결 후의 진동이나 충격에 의해서도 체결이 해제되지 않게 되며, 스프링(8)에 의해 접촉단자(10)가 항상 긴밀하게 소켓본체(6)에 접촉연결되어 스파크의 발생이 방지되는 효과가 있다.In this way, the present invention is a one-touch fastening by simple rotation of a few degrees when the cable 1 is fastened so that the cable 1 is not twisted, and the fastening protrusion 11 is fixed to the seating groove 14 at the time of fastening. The structure is such that the fastening is not released even by vibration or shock after the fastening, and the contact terminal 10 is always closely connected to the socket body 6 by the spring 8, thereby preventing the occurrence of sparks. .

Claims (2)

케이블(1)을 고정하는 케이블고정볼트(2)가 일측 단부에 나사체결되고, 타측 단부에 중심축부를 따라 체결공(3)이 일정 깊이까지만 형성되며, 원통면에 결합경사홈(4)이 나선형의 형상으로 체결공(3)과 관통되게 뚫리고, 체결공(3)의 내측면에 체결공(3)의 외측부와 결합경사홈(4)이 연결되게 돌기홈(5)이 형성된 소켓본체(6); 케이블(1)을 고정하는 케이블고정볼트(2)가 일측 단부에 나사체결되고, 타측 단부에 중심축부를 따라 단자공(7)이 일정 깊이까지만 형성되며, 상기 단자공(7)에 삽입된 스프링(8)에 탄성지지되게 단자체결볼트(9)에 의해 접촉단자(10)가 설치되고, 외측면에 결합돌기(11)가 돌설된 플러그본체(12); 상기 소켓본체(6) 및 플러그본체(12)를 감싸도록 설치된 커버(13);를 포함하여 구성됨을 특징으로 하는 케이블 컨넥터.The cable fixing bolt (2) for fixing the cable (1) is screwed to one end, the fastening hole (3) is formed only a certain depth along the central axis portion at the other end, the coupling inclined groove (4) on the cylindrical surface The socket body is formed to penetrate through the fastening hole (3) in the form of a spiral, and the projection groove (5) is formed on the inner surface of the fastening hole (3) to connect the outer side of the fastening hole (3) and the coupling inclined groove (4) ( 6); The cable fixing bolt (2) for fixing the cable (1) is screwed to one end, the terminal hole (7) is formed only a certain depth along the central axis portion at the other end, the spring inserted into the terminal hole (7) A plug main body 12 in which a contact terminal 10 is installed by the terminal fastening bolt 9 so as to be elastically supported at the end portion 8, and a coupling protrusion 11 protrudes on an outer surface thereof; And a cover (13) installed to surround the socket body (6) and the plug body (12). 제 1항에 있어서, 소켓본체(6)의 결합경사홈(4)의 플러그본체(12)측에는 결합돌기(11)가 삽입되는 안착홈(14)이 형성된 케이블 컨넥터.The cable connector according to claim 1, wherein a seating groove (14) into which the coupling protrusion (11) is inserted is formed at the plug body (12) side of the coupling inclined groove (4) of the socket body (6).
KR2020060029709U 2006-11-15 2006-11-15 A cable connector KR200438004Y1 (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010131831A1 (en) * 2009-05-11 2010-11-18 Yang Kyoung-Ho Apparatus for connecting connection parts between power apparatuses
KR101156698B1 (en) * 2010-12-13 2012-06-14 주식회사 이노링크 High voltage transmission connector
KR101159187B1 (en) * 2009-07-01 2012-06-26 공방현 A connector
KR101301927B1 (en) 2012-09-26 2013-09-02 주식회사오렌지컴퍼니 Connecting assembly of cable connector for twist prevent
KR101504016B1 (en) * 2013-07-10 2015-03-18 이동수 One-touch connector for cable
KR101838240B1 (en) * 2015-11-04 2018-04-26 주식회사 아트라스비엑스 Battery safety connector
KR20190114140A (en) * 2018-03-29 2019-10-10 한국전력공사 Uninterruptible power distribution work method for low voltage line
KR102038636B1 (en) * 2019-02-22 2019-10-30 주식회사 에이치케이 Nozzle unit for laser machining
TWI728871B (en) * 2020-07-20 2021-05-21 亞源科技股份有限公司 Wire joint anti-falling device

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010131831A1 (en) * 2009-05-11 2010-11-18 Yang Kyoung-Ho Apparatus for connecting connection parts between power apparatuses
RU2484564C1 (en) * 2009-05-11 2013-06-10 Кёунг-Хо ЯНГ Device for connection between connective parts of electric power equipment
US8512083B2 (en) 2009-05-11 2013-08-20 Kyoung Ho Yang Apparatus for connecting connection parts between power apparatuses
KR101159187B1 (en) * 2009-07-01 2012-06-26 공방현 A connector
KR101156698B1 (en) * 2010-12-13 2012-06-14 주식회사 이노링크 High voltage transmission connector
KR101301927B1 (en) 2012-09-26 2013-09-02 주식회사오렌지컴퍼니 Connecting assembly of cable connector for twist prevent
KR101504016B1 (en) * 2013-07-10 2015-03-18 이동수 One-touch connector for cable
KR101838240B1 (en) * 2015-11-04 2018-04-26 주식회사 아트라스비엑스 Battery safety connector
KR20190114140A (en) * 2018-03-29 2019-10-10 한국전력공사 Uninterruptible power distribution work method for low voltage line
KR102549097B1 (en) 2018-03-29 2023-06-30 한국전력공사 Uninterruptible power distribution work method for low voltage line
KR20230098526A (en) * 2018-03-29 2023-07-04 한국전력공사 Uninterruptible power distribution work method for low voltage line
KR20230098525A (en) * 2018-03-29 2023-07-04 한국전력공사 Uninterruptible power distribution work method for low voltage line
KR102598787B1 (en) 2018-03-29 2023-11-07 한국전력공사 Uninterruptible power distribution work method for low voltage line
KR102598786B1 (en) 2018-03-29 2023-11-07 한국전력공사 Uninterruptible power distribution work method for low voltage line
KR102038636B1 (en) * 2019-02-22 2019-10-30 주식회사 에이치케이 Nozzle unit for laser machining
TWI728871B (en) * 2020-07-20 2021-05-21 亞源科技股份有限公司 Wire joint anti-falling device

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