KR20090116521A - Cable grand with all one all the member line box - Google Patents

Cable grand with all one all the member line box Download PDF

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Publication number
KR20090116521A
KR20090116521A KR1020080042511A KR20080042511A KR20090116521A KR 20090116521 A KR20090116521 A KR 20090116521A KR 1020080042511 A KR1020080042511 A KR 1020080042511A KR 20080042511 A KR20080042511 A KR 20080042511A KR 20090116521 A KR20090116521 A KR 20090116521A
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KR
South Korea
Prior art keywords
power line
male screw
cable
protection box
coupling nut
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Application number
KR1020080042511A
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Korean (ko)
Inventor
허인구
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허인구
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Priority to KR1020080042511A priority Critical patent/KR20090116521A/en
Publication of KR20090116521A publication Critical patent/KR20090116521A/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/04—Cable-end sealings
    • H02G15/043—Cable-end sealings with end caps, e.g. sleeve closed at one end
    • H02G15/046—Cable-end sealings with end caps, e.g. sleeve closed at one end with bores or protruding portions allowing passage of cable conductors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/06—Cable terminating boxes, frames or other structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cable Accessories (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

PURPOSE: A power line protecting box is provided to prevent corrosion of a connecting terminal of a power line by preventing a flow of moisture or foreign material between the power line and a cable grand. CONSTITUTION: A power line protecting box(1) includes a terminal part(2). A cable grand is integrated with the power line protecting box. The cable grand includes an inlet(10), an outlet(20), a male screw(30), a rubber packing(40), and a coupling nut(50). The inlet and the outlet are formed in both sides of the power line protecting box. The male screw is formed in a central part of the inlet and the outlet. A plurality of cut grooves is formed in a bottom end of the male screw. A protrusion is formed in a boundary part of the male screw and an elastic supporting part. The rubber packing is mounted in the protrusion. The coupling nut is coupled with the male screw.

Description

케이블 그랜드를 일체로 한 전원선 보호함{Cable grand with all one all the member line box}Power line protector with integrated cable gland {Cable grand with all one all the member line box}

본 발명은 여러 곳으로 연결되는 배선을 한곳으로 모아 이를 다른 곳으로 분산시키는 목적으로 사용하는 전원선 보호함에 있어 케이블의 유입과 유출시 케이블을 안정되게 잡아주고 케이블 그랜드의 고정 후 물이나 습기 등으로부터 침투됨을 방지하기 위해 사용되는 케이블 그랜드를 일체로 한 전원선 보호함에 관 한 것이다.The present invention is to protect the power line used for the purpose of distributing the wiring connected to several places in one place to distribute it to other places to hold the cable stably during the inflow and outflow of the cable and after fixing the cable gland from water or moisture It is related to the protection of the power line with an integrated cable gland used to prevent penetration.

종래에 전원선 보호함은 여러 산업 현장이나 시설물에 사용하고 있으며 특히 전원선의 배선을 연결하여주는 곳에 주로 사용된다.Conventionally, the power line protection box is used in various industrial sites or facilities, and is mainly used for connecting the wiring of the power line.

상기와 같은 목적으로 사용되는 전원선 보호함에 있어 종래에는 전원선 보호함과 케이블 그랜드가 각각 별도의 구성품으로 만들어져 현장에서 이를 결합하여 사용하고 있는 실정이다.In the protection of the power line used for the above purposes, the power line protection box and the cable gland are made of separate components, respectively, and are used in combination in the field.

이와 같이 전원선 보호함과 케이블 그랜드를 결합하여 사용함에 있어 케이블 그랜드의 구성요소가 여러 가지로 구분되어 있어 케이블 그랜드를 전원선 보호함에 결합시 작업자가 실수로 부품을 잃어버리면 지속적으로 작업을 하지 못하거나 부실한 작업이 이루어질 수 있는 문제점이 있는 것이다.In this way, the cable gland is divided into several components in the combination of the power line protection box and the cable gland. When the cable gland is connected to the power line protection, a worker accidentally loses a part, it cannot continue work. There is a problem that can be done or poor work.

또한, 케이블 그랜드에 전원선을 삽입한 후 전원선과 케이블 그랜드 사이의 공간 부분에는 전원선을 통해 이 물질이나 습기나 물이 유입되어 전원선의 연결부분이 부식이 되어 누전이 되거나 단선이 되는 등 전기 안전에 문제점이 많다.In addition, after inserting the power cable into the cable gland, the space between the power cable and the cable gland enters the foreign matter, moisture, or water through the power cable, and the connection part of the power cable is corroded, causing short circuit or disconnection. There are a lot of problems.

이런 문제점으로 전원선을 설치 후 케이블 그랜드에 유입된 전원선 사이 공간에 실리콘을 주입하여 공간을 차단하여 많이 사용하고 있다.Due to this problem, after installing the power line, the silicon is injected into the space between the power lines introduced into the cable gland to block the space.

이러한 종래의 전원선 보호함의 경우 전원선의 재설치 시에나 부분적으로 제거하고자 할 경우 케이블 그랜드에 주입한 실리콘을 제거 후 전원선의 설치나 제거 작업 후 다시 실리콘 주입작업을 하여야 하는 불편함이 있는 것이다.In the case of the conventional power line protection box, when the power line is to be reinstalled or partially removed, there is an inconvenience of having to inject the silicon again after installing or removing the power line after removing the silicon injected into the cable gland.

이로 인해 전원선 보호함 전체를 교체하는 경우가 많이 있어 작업이 불편하며 작업시간도 많이 소요되는 등의 문제점이 있는 것이다.Because of this, there are many cases in which the entire power line protection box is replaced, which makes the work inconvenient and takes a lot of time.

본 발명은 이와 같은 종래의 문제점을 해결하기 위해 개발된 것으로 작업이 손쉬우며 전원선 설치작업이 쉬우며 전원선 설치 작업 후 케이블 그랜드의 외부 너트만을 조여줌에 의해 쉽게 전원선을 결합하여 외부에서 이 물질이 유입됨을 방지 할 수 있도록 한 것이다.The present invention has been developed to solve such a conventional problem is easy to work and easy to install the power line and easy to combine the power line by tightening only the external nut of the cable gland after the power line installation work This is to prevent the entry of this material.

이와 같은 본 발명은 전원선 케이블을 고정하는 단자부를 가진 전원선 보호함의 양측에 형성되는 유입구와 유출구 측의 외부로 중간부분에는 수나사를 형성하고, 수나사의 경계부분 하단에는 종 방향으로 다수 개의 절개홈을 만들며 선단을 경사면으로 한 탄성지지부를 일체로 하였으며, 수나사와 탄성지지부의 경계부분 내측으로는 단턱을 형성하여 기밀용 고무박킹을 삽입하여, 상기 수나사에 결합너트의 암나사로 나사 결합하여 된 케이블 그랜드를 전원선 보호함과 일체로 하여 사용되도록 한 것이다.As described above, the present invention forms a male screw in the middle portion of the inlet and outlet sides formed on both sides of the power line protection box having a terminal portion for fixing the power cable, and a plurality of cutouts in the longitudinal direction at the bottom of the boundary of the male screw. The cable gland was formed by integrating the elastic support part with the inclined surface at the tip, inserting the airtight rubber backing by forming a stepped jaw inside the boundary part of the male screw and the elastic support part, and screwing it with the female thread of the coupling nut to the male screw. It is to be used integrally with the power line protection box.

상기와 같이 된 본 발명은 전원선 보호함과 케이블 그랜드를 일체화시킴으로 부품수를 최소한으로 줄이며 간편하게 작업을 할 수 있으며 전원선 보호함에 이물질이나 습기로부터 보호하여 전원선의 연결 단자가 부식되지 않고 오랫동안 사용할 수 있는 것이다.The present invention as described above can minimize the number of parts by integrating the power line protection box and the cable gland and can easily work, and protect the power line from foreign matter or moisture, so that the connection terminal of the power line can be used for a long time without corrosion. It is.

본 발명은 전원선 케이블을 고정하는 단자부(2)를 가진 전원선 보호함(1)에 있어서,The present invention provides a power line protection box (1) having a terminal portion (2) for fixing a power line cable,

전원선 보호함(1)의 양측에 형성되는 유입구(10)와 유출구(20) 측의 외부로 중간부분에는 수나사(30)를 형성하고, 수나사(30)의 경계부분 하단에는 종 방향으로 다수 개의 절개홈(35)을 만들며 선단을 경사면(36)으로 한 탄성지지부(37)를 일체로 하였으며, 수나사(30)와 탄성지지부(37)의 경계부분 내측으로는 단턱(38)을 형성하여 기밀용 고무박킹(40)을 삽입하여, 상기 수나사(30)에 결합너트(50)의 암나사(51)로 나사 결합하여 된 케이블 그랜드(60)를 전원선 보호함(1)과 일체로 하여 된 것이다.A male screw 30 is formed at an intermediate portion of the inlet 10 and the outlet 20 formed on both sides of the power line protection box 1, and a plurality of longitudinal threads are formed at the lower end of the boundary portion of the male screw 30. The incision groove 35 is made and the elastic support portion 37 with the tip as the inclined surface 36 is integrally formed, and the stepped portion 38 is formed inside the boundary portion between the male screw 30 and the elastic support portion 37 for airtightness. The rubber gasket 40 is inserted into the cable gland 60, which is screwed into the male screw 30 by the female screw 51 of the coupling nut 50, and is integrated with the power line protecting box 1.

상기의 수나사(30)와 결합하는 결합너트(50)는 내측으로 암나사(51) 끝 지점에서 경사부(52)을 두어서 나사 결합시 결합너드(50)가 탄성지지부(37)의 절개홈(35)을 조여 지도록 한 것이다.The coupling nut 50 coupled to the male screw 30 has an inclined portion 52 at the end point of the female screw 51 inwardly so that the coupling nut 50 cuts the groove of the elastic support portion 37 when screwing. 35) to be tightened.

상기와 같이 된 본 발명에 있어 전원선을 시설물에 설치하여 전원선을 한곳에서 다른 곳으로 배치하고자하는 장소의 벽면이나 천창 등에 전원선 보호함(1)을 고정한다.In the present invention as described above by installing the power line in the facility to fix the power line protection box (1) to the wall or skylight of the place where you want to place the power line from one place to another.

상기와 같이 전원선 보호함(1)을 고정한 상태에서 케이블 그랜드(60)의 결합 너트(50)를 풀어 전원선에 끼워 넣은 다음 연결하고자 하는 전원선을 케이블 그랜드(60)의 유입구(10)와 유출구(20) 양측으로 각각 삽입한다.Unfasten the coupling nut 50 of the cable gland 60 and insert it into the power line while the power line protective box 1 is fixed as described above, and then connect the power line to be connected to the inlet 10 of the cable gland 60. The outlet 20 is inserted into both sides.

이와 같이 전원선을 삽입한 다음 전원선 보호함(1)의 단자부(2)에 전원선을 연결한다.Insert the power line in this way and connect the power line to the terminal portion 2 of the power line protection box (1).

이때 단자부(2)의 상측에는 유입구(10)측으로 유입된 전원선을 결합하고 하측에는 유출구(20) 측으로 유입된 전원선을 연결하여주며, 필요에 따라 단자부(2)의 상·하 위치가 바꾸어 설치하여도 무방하다.At this time, the upper side of the terminal unit 2 is coupled to the power line introduced to the inlet 10 side, and the lower side is connected to the power line introduced to the outlet 20 side, if necessary, the upper and lower positions of the terminal unit 2 You may install it.

상기와 같이 연결하고자 하는 전원선이 모두 결합되어지면 전원선을 깨끗하여 정렬한 다음 결합너트(50)의 암나사(51)와 케이블 그랜드(60)의 수나사(30)와 나사 결합하여 고정한다.When all of the power lines to be connected as described above are combined, the power lines are cleanly aligned and then fixed by screwing the female thread 51 of the coupling nut 50 and the male thread 30 of the cable gland 60.

이렇게 나사 결합시 결합너트(50) 내측의 경사부(52)가 케이블 그랜드(60)의 탄성지지부(37)의 경사면(36)을 따라 밀려들어 가면 탄성지지부(37)의 절개홈(35)의 간격이 좁혀지면서 케이블 그랜드(60) 내부의 단턱(38)에 안치된 고무박킹(40)을 조여주면서 전원선을 안전하게 잡아주며 틈새가 발생하지 않게 기밀성을 유지하여 주게 된다.When the inclined portion 52 inside the coupling nut 50 is pushed along the inclined surface 36 of the elastic support portion 37 of the cable gland 60, the incision groove 35 of the elastic support portion 37 is screwed. As the gap is narrowed, while tightening the rubber boxing 40 seated on the step 38 in the cable gland 60, the power cable is securely held and airtightness is maintained so that a gap does not occur.

상기와 같이 유입구(10) 측과 유출구(20) 측에 전원선을 결합한 다음 전원선 보호함(1)의 상단에 덮개(70)를 덮어 네모서리에 나사 결합하여 사용하는 것이다.As described above, the power line is coupled to the inlet 10 side and the outlet 20 side, and then cover the cover 70 on the top of the power line protection box (1) to be used by screwing the four corners.

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

도 2는 본 발명의 요부 분리단면도2 is a cross-sectional view of the main portion of the present invention

30: 수나사 35: 절개홈30: external thread 35: incision groove

36: 경사면 37: 탄성지지부36: slope 37: elastic support

38: 단턱 40: 고무박킹38: step 40: rubber boxing

50: 결합너트 51: 암나사50: coupling nut 51: female thread

52: 경사부 60:케이블 그랜드52: slope 60: cable gland

Claims (1)

전원선 케이블을 고정하는 단자부(2)를 가진 전원선 보호함(1)에 있어서,In the power line protection box (1) having a terminal portion (2) for fixing a power line cable, 전원선 보호함(1)의 양측에 형성되는 유입구(10)와 유출구(20) 측의 외부로 중간부분에는 수나사(30)를 형성하고, 수나사(30)의 경계부분 하단에는 종 방향으로 다수 개의 절개홈(35)을 만들며 선단을 경사면(36)으로 한 탄성지지부(37)를 일체로 하였으며, 수나사(30)와 탄성지지부(37)의 경계부분 내측으로는 단턱(38)을 형성하여 기밀용 고무박킹(40)을 삽입하였으며, 상기의 수나사(30)와 결합하는 결합너트(50)는 내측으로 암나사(51) 끝 지점에서 경사부(52)을 두어서 나사 결합시 결합너드(50)가 탄성지지부(37)의 절개홈(35)을 조여 지도록 하여서 된 케이블 그랜드(60)와 전원선 보호함(1)이 일체로 됨을 특징으로 하는 케이블 그랜드를 일체로 한 전원선 보호함.A male screw 30 is formed at an intermediate portion of the inlet 10 and the outlet 20 formed on both sides of the power line protection box 1, and a plurality of longitudinal threads are formed at the lower end of the boundary portion of the male screw 30. The incision groove 35 is made and the elastic support portion 37 with the tip as the inclined surface 36 is integrally formed, and the stepped portion 38 is formed inside the boundary portion between the male screw 30 and the elastic support portion 37 for airtightness. The rubber boxing 40 is inserted, and the coupling nut 50 coupled to the male screw 30 has an inclined portion 52 at the end point of the female screw 51 inward so that the coupling nut 50 is engaged when the screw is engaged. The cable gland (60) and the power line protection box (1), which is made by tightening the incision groove (35) of the elastic support (37) integrally protects the power line.
KR1020080042511A 2008-05-07 2008-05-07 Cable grand with all one all the member line box KR20090116521A (en)

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CN103414131A (en) * 2013-08-29 2013-11-27 李文 Junction box and preparation technology thereof
CN104917124A (en) * 2015-06-25 2015-09-16 浙江玛拓驱动设备有限公司 Plastic junction box
IT201800005665A1 (en) * 2018-05-24 2019-11-24 CONNECTION BOX, IN PARTICULAR FOR THE SEALING AND INSULATION OF ELECTRICAL AND SIMILAR CONNECTIONS

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101292729B1 (en) * 2012-02-23 2013-08-01 (주)진성테크 Encased with a waterproof junction boxes
CN103414131A (en) * 2013-08-29 2013-11-27 李文 Junction box and preparation technology thereof
CN104917124A (en) * 2015-06-25 2015-09-16 浙江玛拓驱动设备有限公司 Plastic junction box
IT201800005665A1 (en) * 2018-05-24 2019-11-24 CONNECTION BOX, IN PARTICULAR FOR THE SEALING AND INSULATION OF ELECTRICAL AND SIMILAR CONNECTIONS

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