KR100750244B1 - Manufacturing method ceramic endurance coupling insulator and the coupling insulator - Google Patents

Manufacturing method ceramic endurance coupling insulator and the coupling insulator Download PDF

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KR100750244B1
KR100750244B1 KR1020060027318A KR20060027318A KR100750244B1 KR 100750244 B1 KR100750244 B1 KR 100750244B1 KR 1020060027318 A KR1020060027318 A KR 1020060027318A KR 20060027318 A KR20060027318 A KR 20060027318A KR 100750244 B1 KR100750244 B1 KR 100750244B1
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South Korea
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coupling
housing
insulator
bracket
sides
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KR1020060027318A
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Korean (ko)
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전태우
전경우
정세영
양창모
안권옥
김현수
박찬
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(주)우진이엔피
전태우
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
    • H01B19/02—Drying; Impregnating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/02—Suspension insulators; Strain insulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/26—Lead-in insulators; Lead-through insulators

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Abstract

A coupling insulator and a manufacturing method thereof are provided to improve electrical and mechanical properties of the coupling insulator by extending a contact surface between a housing and a coupling metal fitting due to covering coupling metal to a housing. A coupling insulator includes a housing, a coupling metal fitting, and an auxiliary coupling member. A body(11) of the coupling insulator is made of a magnetic material. Plural lampshades(12) are formed outside the body. A screw coupling hole(21) is formed on the coupling metal fitting. A connecting portion(100) of the housing is formed to be elongated from both ends of the body. The coupling metal fitting includes a hollow coupling member(200), which is formed to correspond to the shape of the connecting portion. An insertion hole is formed at a front end of the coupling member. The auxiliary coupling member is formed to be protruded from an upper portion along both rims of the coupling metal fitting.

Description

자기재 내오손용 결합애자의 제조방법 및 그 결합애자{manufacturing method ceramic endurance coupling insulator and the coupling insulator}Manufacturing method ceramic endurance coupling insulator and the coupling insulator}

도 1 - 본 발명에 따른 자기재 내오손용 결합애자에 대한 정면도.1-a front view of the magnetic insulator coupling insulator according to the present invention.

도 2 - 본 발명에 따른 자기재 내오손용 결합애자의 결합금구에 대한 대한 정면도.Figure 2-Front view of the coupling bracket of the magnetic insulator coupling insulator according to the present invention.

<도면에 사용된 주요부호에 대한 설명><Description of Major Symbols Used in Drawings>

10 : 하우징 11 : 몸체10 housing 11 body

12 : 갓 20 : 결합금구12: fresh 20: bonding bracket

21 : 나사결합공 100 : 연결부21: screwing hole 100: connection

200 : 결합부 300 : 결합보조부200: coupling part 300: coupling auxiliary part

400 : 시멘400: Ximen

본 발명은 컷아웃스위치(cut-out-switch, COS) 또는 피뢰기(lightening arrester, LA)의 절연성능을 보강하기 위하여 이들과 결합되어 사용되는 자기재 재질의 결합애자의 제조방법 및 그 결합애자에 관한 것으로서, 특히 하우징에 결합금 구를 씌우는 방법으로 제조되어 뛰어난 전기적절연특성 및 기계적특성을 가지면서 제조가 편리하고 내구성이 뛰어난 자기재 내오손용 결합애자의 제조방법 및 그 결합애자에 관한 것이다.The present invention relates to a method of manufacturing a coupling insulator of a magnetic material and a coupling insulator, which are used in combination with them to reinforce the insulation performance of a cut-out-switch (COS) or lightening arrester (LA). In particular, the present invention relates to a method of manufacturing a magnetic insulator coupling insulator and its insulator, which is manufactured by a method of covering a housing with a fastener and has excellent electrical insulation and mechanical properties, and is easy to manufacture and has excellent durability.

일반적으로 애자는 고압전선 상호 간, 고압전선과 철탑, 송, 배전설비 등에 결합되어 전기적으로 절연시킴과 동시에 기계적으로 고압전선 등의 간격을 유지 또는 지지하기 위하여 사용되는 것으로써, 전기적으로 절연특성을 높이기 위해 외표면에 주름을 다수개 만들어 표면누설거리를 길게 하여 형성된다.In general, insulators are used to electrically insulate high voltage cables, and to be electrically insulated from each other by being connected to high voltage cables and steel towers, transmission and distribution facilities, and to maintain or support gaps of high voltage cables. It is formed by lengthening the surface leakage distance by making a plurality of wrinkles on the outer surface to increase.

특히 컷아웃스위치(cut-out-switch, COS) 또는 피뢰기(lightening arrester, LA)의 절연성능을 보강하기 위하여 이들과 결합사용되는 애자(이하에서는 "결합애자"라 한다)는 일반적으로 자기재로 형성된 몸체 외주면에는 소정 너비의 지름을 가지는 갓이 다수개 형성된 하우징이 형성되고, 상기 하우징 양단에는 결합금구가 형성되어 있다.In particular, insulators (hereinafter referred to as "coupler insulators") used in combination with them to reinforce the insulation performance of cut-out-switch (COS) or lightening arresters (LA) are generally magnetic materials. On the outer circumferential surface of the formed body is formed a housing having a plurality of shades having a diameter of a predetermined width, the coupling bracket is formed on both ends of the housing.

상기 결합금구의 일측에는 상기 하우징에 결합되는 결합구가 형성되고, 타측에는 컷아웃스위치나 피뢰기와의 결합을 위한 결합공이 형성되어 상기 결합애자와 컷아웃스위치나 피뢰기를 결합시키게 된다.A coupling hole coupled to the housing is formed at one side of the coupling bracket, and a coupling hole for coupling with the cutout switch or the lightning arrester is formed at the other side to couple the coupling insulator to the cutout switch or the arrester.

종래의 이러한 결합애자는 상기 하우징과 결합금구와의 결합을 위해, 상기 하우징 양단부에 내측으로 함몰되게 삽입구를 형성시켜 상기 결합금구의 결합구를 삽입시키고, 그 사이에 시멘을 부어 상기 하우징에 상기 결합금구를 결합고정시켰다.In the related art, the coupling insulator forms an insertion hole recessed inwardly at both ends of the housing so as to couple the housing to the coupling bracket, thereby inserting the coupling tool of the coupling bracket therebetween, and pouring cement into the housing. The brackets were fixed.

그러나 이러한 방식으로 형성된 결합애자는 상기 하우징 내부에 상기 결합금 구가 삽입 고정되는 구조이므로, 상기 하우징과 결합금구의 결합이 필연적으로 약할 수 밖에 없게 된다.However, since the coupling insulator formed in this manner has a structure in which the coupling bracket is inserted and fixed inside the housing, the coupling between the housing and the coupling bracket is inevitably weak.

이는 상기 결합애자의 일측결합금구는 전주나 전주와 연결된 프레임 등에 견고하게 결합되어 있는 상태이고, 타측결합금구는 컷아웃스위치나 피뢰기에 결합된 상태인데, 비바람에 일반적으로 더 많이 움직이게 되는 것은 컷아웃스위치나 피뢰기이며, 이에 의해 상기 결합애자의 하우징과 타측결합금구나 일측결합금구가 흔들리는 정도가 차이가 나면서 결합부위인 시멘이 손상되어 전체적으로 애자의 절연특성에 심각한 지장을 초래하게 된다.It is a state that one side coupling bracket of the coupling insulator is firmly coupled to a pole or a frame connected to the pole, and the other coupling bracket is coupled to a cutout switch or an arrester. As a switch or an arrester, the shaking degree of the housing of the coupling insulator and the other coupling bracket or the one coupling bracket are different, and the cement, which is the coupling portion, is damaged, which causes serious problems in the insulation properties of the insulator.

또한 컷아웃스위치의 무게로 인해 자연적으로 상기 하우징과 결합금구의 결합부위가 약하게 되어, 오랜 시간 사용하면 결합애자의 내오손성을 저하시키게 되는 문제점이 있다.In addition, due to the weight of the cut-out switch, the coupling portion of the housing and the coupling bracket is naturally weakened, which causes a problem of deteriorating the fouling resistance of the coupling insulator when used for a long time.

또한 상기 하우징의 양측에 내측으로 함몰되게 형성된 삽입구에 의해 전체 몸체에서 삽입구 부분이 특히 약하게 형성되어 하우징의 내구성이 저하되는 문제점이 있다.In addition, the insertion hole is formed particularly weakly in the entire body by the insertion hole formed inwardly on both sides of the housing, there is a problem that the durability of the housing is reduced.

본 발명은 상기 문제점을 해결하기 위해 안출된 것으로서, 하우징에 결합금구를 씌우는 방법으로 제조되어 내구성이 뛰어나며, 전기적절연특성 및 기계적특성이 우수한 자기재 내오손용 결합애자의 제조방법 및 그 결합애자의 제공을 그 목적으로 한다.The present invention has been made in order to solve the above problems, is manufactured by the method of covering the coupling bracket on the housing is excellent in durability, excellent electrical insulation and mechanical properties of the manufacturing method of the magnetic insulator coupling insulator and its insulator It is provided for that purpose.

상술한 바와 같은 목적 달성을 위해 본 발명은, 자기재로 몸체와 상기 몸체 외주면에 일체로 형성된 다수개의 갓이 형성된 하우징을 형성시키고, 상기 하우징 양측에 나사결합공이 형성된 결합금구를 결합시키는 결합애자의 제조방법에 있어서, 상기 하우징의 몸체를 양측으로 연장하여 연결부를 형성시키고, 상기 결합금구의 일측에 상기 연결부의 형상에 대응되게 형성되어 상기 연결부를 내부에 수용하는 결합부를 형성시키고, 상기 결합금구의 양측테두리를 따라 상측으로 돌출되게 결합보조부를 형성시키고, 그리고 상기 연결부와 접촉되는 상기 결합부 면에 시멘을 부어 상기 연결부를 수용시켜 결합고정시키는 것을 특징으로 하는 자기재 내오손용 결합애자의 제조방법을 기술적 요지로 한다.In order to achieve the object as described above, the present invention provides a coupling member for forming a housing formed with a plurality of shades integrally formed on the body and the outer circumferential surface of the magnetic material, and coupling the coupling brackets formed with screwing holes on both sides of the housing. In the manufacturing method, extending the body of the housing to both sides to form a connecting portion, and formed on one side of the coupling brackets to correspond to the shape of the connecting portion to form a coupling portion for receiving the connecting portion therein, A method of manufacturing a magnetic insulator coupling insulator, characterized in that a coupling auxiliary portion is formed to protrude upward along both edges, and the cement is poured onto the surface of the coupling portion in contact with the coupling portion to receive and secure the coupling portion. To be a technical point.

삭제delete

또한 자기재로 형성된 몸체와 상기 몸체와 일체로 형성되며 상기 몸체의 외측면으로 다수개의 갓이 형성된 하우징과, 상기 하우징 양측에 결합형성되고 나사결합공이 형성된 결합금구를 포함하여 구성된 결합애자에 있어서, 상기 몸체 양측으로 연장되게 연결부가 형성된 하우징과; 일측에 상기 연결부의 형상에 대응되게 형성되고 전단에 삽입구가 형성되며 내부가 빈 결합부가 형성된 결합금구와; 결합금구의 양측테두리를 따라 상측으로 돌출되게 결합보조부;로 구성되어, 상기 결합부가 상기 연결부에 덮어씌움결합되는 것을 특징으로 하는 자기재 내오손용 결합애자를 또 다른 기술적 요지로 한다.In the coupling insulator formed of a magnetic material and integrally formed with the body and comprises a housing formed with a plurality of shades on the outer surface of the body, and a coupling bracket coupled to both sides of the housing and formed with screwing holes, A housing having a connection portion extending to both sides of the body; A coupling bracket formed at one side to correspond to the shape of the connection part and having an insertion hole formed at a front end thereof, and having an empty coupling part inside; Combination auxiliary portion to protrude upward along both edges of the coupling bracket; consisting of the coupling portion is characterized in that the mating coupling insulator for magnetic material fouling is characterized in another technical gist.

삭제delete

이에 따라 하우징에 결합금구가 씌워지면서 결합되어 하우징과 결합금구와의 결합접촉면적이 넓어져 결합부위가 견고하여 결합애자의 내구성이 뛰어날 뿐만 아니라 전기적절연특성 및 기계적특성이 우수한 이점이 있다.Accordingly, the coupling brackets are coupled to the housing and are coupled to each other so that the coupling contact area between the housing and the coupling bracket is increased, so that the coupling portion is firm, and thus the coupling insulator is excellent in durability, electrical insulation characteristics and mechanical characteristics are excellent.

또한 하우징의 몸체 양측이 연장되는 구조에 의해 하우징의 내구성이 개선되는 이점이 있다.In addition, the durability of the housing is improved by the structure in which both sides of the body extend.

이하에서는 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 상세히 설명하고자 한다. 도 1은 본 발명에 따른 자기재 내오손용 결합애자에 대한 정면도이고, 도 2는 본 발명에 따른 자기재 내오손용 결합애자의 결합금구에 대한 대한 정면도이다.Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail. 1 is a front view of a magnetic insulator coupling insulator according to the present invention, Figure 2 is a front view of a coupling bracket of the magnetic insulator coupling insulator according to the present invention.

도시된 바와 같이 본 발명은 자기재로 형성된 하우징(10)과 상기 하우징(10) 양측에 결합된 결합금구(20)로 크게 구성되며, 상기 하우징(10)은 양측으로 연장되게 연결부(100)가 형성되고, 상기 결합금구(20)의 일측에는 상기 연결부(100)를 수용시키는 결합부(200)가 형성된 것이다.As shown, the present invention is largely composed of a housing 10 formed of a magnetic material and a coupling bracket 20 coupled to both sides of the housing 10, and the housing 10 has a connection portion 100 extending to both sides. Is formed, the coupling portion 200 is formed on one side of the coupling bracket 20 to accommodate the connection portion 100.

일반적으로 결합애자는 자기재로 형성된 몸체(11)와 상기 몸체(11) 외주면에 일체로 형성된 다수개의 갓(12)이 형성된 하우징(10)과, 상기 하우징(10) 양측에 나사결합공(21)이 형성된 결합금구(20)로 구성된다. 상기 하우징(10) 양측에 형성된 나사결합공(21)은 일측에 형성된 나사결합공(21)으로는 전주나 전주에 설치된 프레임 등이 나사결합되고, 타측에 형성된 나사결합공(21)으로는 컷아우스위치나 피뢰기가 나사결합되는 것이다. In general, the coupling insulator is formed of a magnetic material (11) and the housing 10 is formed with a plurality of shades (12) integrally formed on the outer peripheral surface of the body 11, the screw coupling hole (21) on both sides of the housing (10) It is composed of a coupling bracket 20 is formed. The screw coupling holes 21 formed on both sides of the housing 10 are screwed to the screw coupling holes 21 formed on one side thereof, and the frames installed on the poles or the poles are screwed together, and the screw coupling holes 21 formed on the other side of the screw coupling holes 21 are cut. The outswitch or arrester is screwed in.

상기 연결부(100)는 상기 하우징(10)의 몸체(11)를 양측으로 연장하여 일체로 형성된 것이므로 상기 몸체(11)의 형상에 대응되어 원통형상으로 형성되며, 상 기 몸체(11) 및 갓(12) 제조시 함께 제조되게 된다. 상기 연결부(100)는 후술할 결합부(200)에 수용되어 결합되어 상기 하우징(10)과 상기 결합금구(20)를 연결시키게 된다.Since the connection part 100 is formed integrally by extending the body 11 of the housing 10 to both sides, the connection part 100 is formed in a cylindrical shape corresponding to the shape of the body 11, and the body 11 and the shade ( 12) To be manufactured together during manufacture. The connection part 100 is received and coupled to the coupling part 200 to be described later to connect the housing 10 and the coupling bracket 20.

그리고 상기 결합부(200)는 상기 결합금구(20)의 일측에 상기 연결부(100)의 형상에 대응되게 형성되어 전단에 삽입구가 형성되며 내부가 비어 있어, 상기 연결부(100)를 상기 삽입구를 통해 삽입시켜 상기 결합부(200) 내부에 수용시키게 된다. 즉 상기 결합금구(20)의 일측에는 상기 연결부(100)와 결합되는 결합부(200)가 형성되고, 타측에는 상기 나사결합공(21)이 형성된 것이다.The coupling part 200 is formed to correspond to the shape of the connection part 100 at one side of the coupling bracket 20 so that an insertion hole is formed at the front end and the inside thereof is empty, so that the connection part 100 is inserted through the insertion hole. It is inserted into and accommodated in the coupling part 200. That is, one side of the coupling bracket 20 is formed with a coupling portion 200 to be coupled to the connection portion 100, the other side is the screw coupling hole 21 is formed.

상기 결합부(200)는 상기 연결부(100)를 수용시킬 수 있도록 상기 연결부(100)의 형상에 대응되게 형성되므로, 내부가 빈 원통형상으로 형성되어 상기 연결부(100)를 상기 결합부가 덮어씌우면서 결합시키게 된다.Since the coupling part 200 is formed to correspond to the shape of the connection part 100 so as to accommodate the connection part 100, the coupling part 200 is formed in a hollow cylindrical shape to cover the connection part 100 with the connection part. Will be combined.

또한 상기 결합금구(20)에는 양측테두리를 따라 상측으로 돌출되게 형성된 결합보조부(300)가 더 형성된다. 이는 컷아웃스위치나 피뢰기 등에 형성된 결합프레임 또는 결합금구(20)가 상기 결합보조부(300) 사이에 어느 정도 끼워지면서 결합되어, 상기 결합금구(20)와 상기 컷아웃스위치나 피뢰기가 나사결합공(21)에 의해 볼트결합됨과 동시에 상기 결합프레임 등이 무단회전하지 않도록 걸림턱의 역할을 하게 되어 결합금구(20)와의 결합력을 더욱 더 좋게 한 것이다.In addition, the coupling bracket 20 is further provided with a coupling assistant 300 formed to protrude upward along both edges. This is coupled to the coupling frame or coupling bracket 20 formed in the cutout switch or lightning arrester, etc. to some extent between the coupling auxiliary portion 300, the coupling bracket 20 and the cutout switch or lightning arrester is screwed ( At the same time as the bolt is coupled by the 21) and acts as a locking jaw so that the coupling frame and the like do not rotate without permission to further improve the coupling force with the coupling bracket (20).

그리고 상기 연결부(100)와 상기 결합부(200)의 견고한 고정을 위해 상기 연결부(100)와 접촉되는 상기 결합부(200) 면에 시멘(400)을 부어 상기 연결부(100)를 수용시켜 결합시키면, 시멘(400)이 건조되면서 상기 연결부(100)와 상기 결합부 (200)가 견고하게 결합고정되는 것이다.And when the connection part 100 is accommodated by pouring the cement (400) on the surface of the coupling portion 200 in contact with the connecting portion 100 for a firm fixing of the connecting portion 100 and the coupling portion 200 As the cement 400 is dried, the connection part 100 and the coupling part 200 are firmly fixed to each other.

여기에서 상기 연결부(100)의 표면을 거칠게 하여 상기 결합부(200)와의 결합력을 더욱 더 좋게 할 수 있으며, 이는 연결부(100) 표면에 샌드면(sand face)을 형성시켜 상기 결합부(200) 면에 부어진 시멘(400)과의 결합력을 우수하게 만들 수 있다.In this case, the surface of the connection part 100 may be roughened to make the coupling force with the coupling part 200 even better. This may form a sand face on the surface of the connection part 100 to form the coupling part 200. The bonding force with the cement 400 poured on the surface can be made excellent.

따라서 내측으로 삽입구가 형성된 하우징(10)보다 하우징(10)의 몸체(11) 외측으로 연장되게 연결부(100)가 형성되어 하우징(10)의 내구성이 전체적으로 개선되도록 하였으며, 상기 몸체(11)에서 연장되게 돌출된 연결부(100)를 에워싸며 덮어씌우는 방법으로 결합되는 결합부(200)에 의해 상기 연결부(100)와 상기 결합부(200)간의 결합접촉면적이 넓어져 결합부위가 더욱 더 견고해지게 되는 것이다.Therefore, the connection portion 100 is formed to extend outward from the body 11 of the housing 10 than the housing 10 having an insertion hole formed therein, so that the durability of the housing 10 is improved as a whole, and extends from the body 11. The coupling contact area between the connection part 100 and the coupling part 200 is widened by the coupling part 200 which is coupled by covering and covering the protruding connection part 100 so that the coupling part becomes more firm. Will be.

상기 구성에 의한 본 발명은 하우징에 결합금구가 씌워지면서 결합되어 하우징과 결합금구와의 결합접촉면적이 넓어져 결합부위가 견고하여 결합애자의 내구성이 뛰어날 뿐만 아니라 전기적절연특성 및 기계적특성이 우수한 효과가 있다.The present invention by the above configuration is coupled to the coupling bracket is covered with the housing, the bonding contact area between the housing and the coupling bracket is wide, the coupling portion is solid, the durability of the coupling insulator as well as excellent electrical insulation and mechanical properties There is.

또한 하우징의 몸체 양측이 연장되는 구조에 의해 하우징 자체의 내구성이 개선되는 효과가 있다.In addition, the durability of the housing itself is improved by the structure in which both sides of the body extend.

Claims (4)

자기재로 몸체와 상기 몸체 외주면에 일체로 형성된 다수개의 갓이 형성된 하우징을 형성시키고, 상기 하우징 양측에 나사결합공이 형성된 결합금구를 결합시키는 결합애자의 제조방법에 있어서,In the manufacturing method of the coupling insulator to form a housing formed of a plurality of shades integrally formed on the body and the outer peripheral surface of the body with a magnetic material, and coupling the coupling brackets formed with screwing holes on both sides of the housing, 상기 하우징의 몸체를 양측으로 연장하여 연결부를 형성시키고,Extending the body of the housing to both sides to form a connection, 상기 결합금구의 일측에 상기 연결부의 형상에 대응되게 형성되어 상기 연결부를 내부에 수용하는 결합부를 형성시키고,It is formed to correspond to the shape of the connection portion on one side of the coupling bracket to form a coupling portion for receiving the connection inside, 상기 결합금구의 양측테두리를 따라 상측으로 돌출되게 결합보조부를 형성시키고, Forming a coupling assistant to protrude upward along the both edges of the coupling bracket, 그리고 상기 연결부와 접촉되는 상기 결합부 면에 시멘을 부어 상기 연결부를 수용시켜 결합고정시키는 것을 특징으로 하는 자기재 내오손용 결합애자의 제조방법.And pouring cement into the coupling part surface in contact with the coupling part to accommodate the coupling part to fix and fix the coupling part. 삭제delete 자기재로 형성된 몸체와 상기 몸체와 일체로 형성되며 상기 몸체의 외측면으로 다수개의 갓이 형성된 하우징과, 상기 하우징 양측에 결합형성되고 나사결합공이 형성된 결합금구를 포함하여 구성된 결합애자에 있어서,In the coupling insulator comprising a body formed of a magnetic material and a housing integrally formed with the body and formed with a plurality of shades on the outer surface of the body, and a coupling bracket coupled to both sides of the housing and formed with screwing holes, 상기 몸체 양측으로 연장되게 연결부가 형성된 하우징과;A housing having a connection portion extending to both sides of the body; 일측에 상기 연결부의 형상에 대응되게 형성되고 전단에 삽입구가 형성되며 내부가 빈 결합부가 형성된 결합금구와;A coupling bracket formed at one side to correspond to the shape of the connection part and having an insertion hole formed at a front end thereof, and having an empty coupling part inside; 상기 결합금구의 양측테두리를 따라 상측으로 돌출되게 형성된 결합보조부;로 구성되어, 상기 결합부가 상기 연결부에 덮어씌움결합되는 것을 특징으로 하는 자기재 내오손용 결합애자.Combination auxiliary portion formed to protrude upwardly along both edges of the coupling bracket; consisting of, the coupling portion is a coupling insulator for magnetic material fouling, characterized in that the coupling portion covers the coupling. 삭제delete
KR1020060027318A 2006-03-27 2006-03-27 Manufacturing method ceramic endurance coupling insulator and the coupling insulator KR100750244B1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0531031U (en) * 1991-09-30 1993-04-23 日本碍子株式会社 Insulation pipe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0531031U (en) * 1991-09-30 1993-04-23 日本碍子株式会社 Insulation pipe

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