KR20200002644U - Terminal Bushing for Explosion Proof Flexible Tube - Google Patents

Terminal Bushing for Explosion Proof Flexible Tube Download PDF

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Publication number
KR20200002644U
KR20200002644U KR2020200004153U KR20200004153U KR20200002644U KR 20200002644 U KR20200002644 U KR 20200002644U KR 2020200004153 U KR2020200004153 U KR 2020200004153U KR 20200004153 U KR20200004153 U KR 20200004153U KR 20200002644 U KR20200002644 U KR 20200002644U
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South Korea
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terminal bushing
flexible tube
explosion
present
bushing
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KR2020200004153U
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Korean (ko)
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KR200493604Y1 (en
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김재용
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명은전기 주식회사
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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
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
    • H02G3/0616—Joints for connecting tubing to casing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00—Flanged joints
    • F16L23/02—Flanged joints the flanges being connected by members tensioned axially
    • F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
    • F16L23/026—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes by welding

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Cable Accessories (AREA)

Abstract

본 고안은 방폭 플렉시블 튜브용 단말 부싱에 관한 것이다.
본 고안은, 방폭 플렉시블 튜브용 단말 부싱에 있어서, 단말 부싱(130)의 개구부(180)의 테두리(190)에서 테두리(190)와 수직하게 단말 부싱(130)의 내부로 돌출되게 설치되어, 블렉시블 튜브와 결합시 블렉시블 튜브의 말단부가 따라 들어가는 원주형 돌출 가이드부(200)를 포함하는 것을 특징으로 한다.
이상과 같은 본 고안을 이용하면, 본 고안은 블렉시블 튜브의 수직 절단면에서 금속 직조물(110)이 풀려서 발생하는 날카로운 강선이나 주름관(100)의 수직 절단면에서 발생하는 날카로운 돌출부로 인한 문제점과, 블렉시블 튜브를 단말 부싱(130)에 끼워서 용접부(150)에서 납 용접시에 납물이 개구부(180)의 테두리(190) 쪽으로 흘러 나오는 문제점을 해결할 수 있게 된다.The present invention relates to a terminal bushing for an explosion-proof flexible tube.
The present invention, in the terminal bushing for an explosion-proof flexible tube, is installed to protrude into the interior of the terminal bushing 130 perpendicular to the rim 190 from the rim 190 of the opening 180 of the terminal bushing 130, It characterized in that it comprises a cylindrical protruding guide portion 200 that enters along the distal end of the flexible tube when combined with the sible tube.
Using the present invention as described above, the present invention is a problem due to sharp protrusions occurring in the vertical cut surface of the corrugated pipe 100 or a sharp steel wire generated by loosening the metal weave 110 from the vertical cut surface of the flexible tube By inserting the sible tube into the terminal bushing 130, it is possible to solve the problem that the lead material flows out toward the edge 190 of the opening 180 during lead welding in the welding part 150.

Description

방폭 플렉시블 튜브용 단말 부싱{Terminal Bushing for Explosion Proof Flexible Tube} Terminal Bushing for Explosion Proof Flexible Tube}

본 고안은 방폭 플렉시블 튜브용 단말 부싱에 관한 것이다. The present invention relates to a terminal bushing for an explosion-proof flexible tube.

일반적으로 폭발성 위험물을 취급하는 정유시설 등과 같은 대규모 시설에서는 폭발시에 각종 전선(예: 전력 공급 전선이나 신호 전송 전선)을 보호하기 위하여, 도1, 2와 같이 방폭용 플렉시블 커블링 부재에 방폭용 플렉시블 튜브를 끼운 방폭용 블렉시블 조인트 장치가 많이 사용된다. In general, in large-scale facilities such as oil refineries handling explosive dangerous substances, in order to protect various wires (eg, power supply wires or signal transmission wires) in the event of an explosion, explosion-proof flexible coupling members for explosion-proof as shown in Figs. Explosion-proof flexible joint devices with flexible tubes are widely used.

여기서, 블렉시블 튜브는 금속 주름관(100)의 외면에 금속직조물(110)을 피복하여 형성된다. Here, the flexible tube is formed by covering the metal woven material 110 on the outer surface of the metal corrugated pipe 100.

또한, 커플링 부재는, 금속 주름관(100)의 끝단이 끼워지는 단말 부싱(130), 단말 부싱(130)의 외부에 삽입되는 커플링 너트(120) 및 단말 부싱(130)의 전면에 맞대어진 후 상기 커플링 너트(120)로 체결되는 연결구(140)를 포함하고, 연결구(140)에는 파이프(160)가 너트(170)로 체결되어 연결된다. In addition, the coupling member is a terminal bushing 130 into which the end of the metal corrugated pipe 100 is fitted, a coupling nut 120 inserted outside the terminal bushing 130, and a front surface of the terminal bushing 130 Then, a connector 140 fastened with the coupling nut 120 is included, and a pipe 160 is fastened with a nut 170 to the connector 140 to be connected.

그리고, 블렉시블 튜브가 수직으로 절단된 절단부 쪽에서 블렉시블 튜브가 단말 부싱(130)의 내부로 끼워지고 블렉시블 튜브의 금속 직조물(110)은 용접부(150)에서 단말 부싱(130)에 납 용접되어, 블랙시블 튜브가 단말 부싱(130)에 견고하게 고정 결합된다. And, the flexible tube is inserted into the inside of the terminal bushing 130 from the cut portion where the flexible tube is vertically cut, and the metal woven material 110 of the flexible tube is from the welding portion 150 to the terminal bushing 130. By lead welding, the black sible tube is firmly fixedly coupled to the terminal bushing 130.

한편, 방폭용 블렉시블 조인트 장치를 형성하기 위해서는 도3과 같이 단말 부싱과 블렉시블 튜브를 결합하는 작업을 수행해야 하고, 이를 위해서는 블렉시블 튜브를 수직으로 절단하는 작업이 선행되어야 한다. On the other hand, in order to form an explosion-proof flexible joint device, as shown in FIG. 3, the work of combining the terminal bushing and the flexible tube must be performed, and for this, the work of vertically cutting the flexible tube must be preceded.

그런데, 블렉시블 튜브가 수직으로 절단된 후에는 절단면에서 금속 직조물(110)이 풀려서 금속 직조물(110)의 날카로운 강선이 금속 직조물(110)에서 벌어져서 삐져 나오고, 주름관(100)도 수직으로 완벽하게 매끈하게 절단되는 것이 어려워서 절단된 면에서 날카로운 돌출부가 형성되는 경우가 많기 때문에, 이러한 블렉시블 튜브를 단말 부싱(130)에 끼워서 납 용접한 후에 단말 부싱(130)의 내측을 보면 이러한 금속 직조물(110)의 삐져 나온 강선 또는 주름관(100)의 날카로운 돌출부가 존재하는 경우가 다반사이다. However, after the flexible tube is cut vertically, the metal woven material 110 is released from the cut surface, so that the sharp steel wire of the metal woven material 110 spreads out from the metal woven material 110 and protrudes, and the corrugated pipe 100 is also perfectly vertical. Since it is difficult to be cut smoothly, a sharp protrusion is often formed on the cut surface, so when the flexible tube is inserted into the terminal bushing 130 and solder-welded, looking inside the terminal bushing 130, such a metallic fabric The case where there is a sharp protrusion of the steel wire protruding from 110) or the corrugated pipe 100 is common.

그래서, 작업자가 작업시에 단말 부싱(130)의 내측으로 손가락을 넣게 되면 금속 직조물(110)의 삐져 나온 강선의 단부나 주름관(100)의 돌출부에 의해 작업자의 손가락이 찔리거나 베이게 되는 문제점도 발생하고, 블렉시블 튜브 내측을를 통과하는 전선이 이러한 주름관(100)의 날카로운 돌출부에 접촉하면서 통과함에 따라 전선의 피복이 긁혀서 피복이 손상되는 문제점이 발생한다. So, when the worker puts a finger into the inside of the terminal bushing 130 during work, the worker's finger is pierced or cut by the end of the steel wire protruding from the metal woven material 110 or the protrusion of the corrugated pipe 100. And, as the electric wire passing through the inside of the flexible tube passes while contacting the sharp protrusion of the corrugated pipe 100, the coating of the electric wire is scratched and the coating is damaged.

따라서, 단말 부싱(130)의 내측에서 이러한 금속 직조물(110)의 삐져 나온 강선이나 주름관(100)의 돌출부가 있으면 불량(하자)이기 때문에, 이러한 부분을 제거하기 위해 블렉시블 튜브를 단말 부싱(130)에 끼우고 용접부(150)에서 납 용접한 후에, 작업자는 단말 부싱(130)의 내측을 봐서 이러한 불량 부분이 있는지를 확인하고 불량 부분이 존재하면 이를 제거하기 위한 추가 작업을 수행해야 하는 문제점이 발생한다. Therefore, if there is a protrusion of the steel wire or the corrugated pipe 100 protruding from the inside of the terminal bushing 130, it is defective (defective), so that the flexible tube is attached to the terminal bushing ( 130) and lead-welded at the welding part 150, the operator looks inside the terminal bushing 130 to check whether there is such a defective part, and if there is a defective part, an additional work must be performed to remove it. This happens.

또한, 단말 부싱(130)의 개구부(180)가 바닥을 향하게 놓고 블렉시블 튜브를 상부에서 단말 부싱(130)에 끼우고 나서 용접부(150)에서 납 용접하는 경우에, 납물을 과하게 투입하면 납물이 블렉시블 튜브의 말단부를 통해 단말 부싱(130)의 개구부(180)의 테두리(190) 쪽으로 흘러 나와서 개구부(180)의 테두리(190)에 납 부분이 형성되는 불량이 발생하게 되어, 이렇게 테두리(190)에 형성된 납 부분을 제거해야 하는 추가 작업을 수행해야 하는 문제점이 발생한다. In addition, in the case where the opening 180 of the terminal bushing 130 faces the bottom, and the flexible tube is inserted into the terminal bushing 130 from the top, and then lead welding is performed at the welding part 150, excessive lead-in It flows toward the rim 190 of the opening 180 of the terminal bushing 130 through the distal end of the flexible tube, and a lead portion is formed in the rim 190 of the opening 180. A problem arises in that an additional operation must be performed to remove the lead portion formed in 190.

대한민국 등록특허공보 제10-1395724호(2014. 5. 9일 등록)Korean Patent Publication No. 10-1395724 (registered on May 9, 2014)

이상과 같은 종래기술의 문제점을 감안하여, 본 고안은 블렉시블 튜브의 수직 절단면에서 금속 직조물(110)이 풀려서 발생하는 날카로운 강선이나 주름관(100)의 수직 절단면에서 발생하는 날카로운 돌출부로 인한 문제점과, 블렉시블 튜브를 단말 부싱(130)에 끼워서 용접부(150)에서 납 용접 시에 납물이 개구부(180)의 테두리(190) 쪽으로 흘러나오는 문제점을 해결하는 원주형 돌출 가이드부를 제공한다. In view of the problems of the prior art as described above, the present invention is a problem due to sharp protrusions occurring in the vertical cut surface of the corrugated pipe 100 or a sharp steel wire generated by loosening the metal woven material 110 from the vertical cut surface of the flexible tube. , By inserting the flexible tube into the terminal bushing 130, a cylindrical protruding guide part is provided that solves the problem that the lead material flows out toward the edge 190 of the opening 180 when welding at the welding part 150.

상술한 과제를 해결하기 위한 본 고안은, 방폭 플렉시블 튜브용 단말 부싱에 있어서, 단말 부싱(130)의 개구부(180)의 테두리(190)에서 테두리(190)와 수직하게 단말 부싱(130)의 내부로 돌출되게 설치되어, 블렉시블 튜브와 결합시 블렉시블 튜브의 말단부가 따라 들어가는 원주형 돌출 가이드부(200)를 포함하는 것을 특징으로 한다. The present invention for solving the above-described problem is, in the terminal bushing for an explosion-proof flexible tube, the inside of the terminal bushing 130 perpendicular to the rim 190 at the rim 190 of the opening 180 of the terminal bushing 130 It is installed to protrude to, characterized in that it comprises a cylindrical protruding guide portion 200 that enters along the distal end of the flexible tube when combined with the flexible tube.

이상과 같은 본 고안을 이용하면, 본 고안은 블렉시블 튜브의 수직 절단면에서 금속 직조물(110)이 풀려서 발생하는 날카로운 강선이나 주름관(100)의 수직 절단면에서 발생하는 날카로운 돌출부로 인한 문제점과, 블렉시블 튜브를 단말 부싱(130)에 끼워서 용접부(150)에서 납 용접 시에 납물이 개구부(180)의 테두리(190) 쪽으로 흘러나오는 문제점을 해결할 수 있게 된다. Using the present invention as described above, the present invention is a problem due to sharp protrusions occurring in the vertical cut surface of the corrugated pipe 100 or a sharp steel wire generated by loosening the metal woven material 110 from the vertical cut surface of the flexible tube, and Black By inserting the sible tube into the terminal bushing 130, it is possible to solve a problem in which the lead material flows out toward the edge 190 of the opening 180 when welding at the welding part 150.

도1은 종래기술에 따른 방폭용 플렉시블 조인트 장치의 분해 사시도.
도2는 종래기술에 따른 방폭용 플렉시블 조인트 장치의 결합 단면도.
도3은 도2의 종래기술에서 단말 부싱과 블렉시블 튜브의 결합만을 별도로 도시한 단면도.
도4은 본 발명에 따른 단말 부싱이 블렉시블 튜브와 결합된 단면도.1 is an exploded perspective view of an explosion-proof flexible joint device according to the prior art.
Figure 2 is a cross-sectional view of an explosion-proof flexible joint device according to the prior art.
3 is a cross-sectional view showing only the coupling of the terminal bushing and the flexible tube separately in the prior art of FIG. 2;
4 is a cross-sectional view in which a terminal bushing according to the present invention is combined with a flexible tube.

이하, 첨부된 도4을 참조하여 본 고안을 자세히 설명한다. Hereinafter, the present invention will be described in detail with reference to FIG. 4.

도4에 도시된 바와 같이 본 고안은 종래기술의 도3에서 단말 부싱(130)의 내측에 원주형 돌출 가이드부(200)가 추가된 것인데, 원주형 돌출 가이드부(200)는 도4와 같이 단말 부싱(130)의 개구부(180)의 테두리(190)에서 테두리(190)와 수직하게 단말 부싱(130)의 내부로 돌출되게 설치되어, 블렉시블 튜브를 단말 부싱(130)에 끼울 때에 블렉시블 튜브의 말단부가 원주형 돌출 가이드부(200)를 따라 공간(210)으로 들어가서 도4와 같이 완전히 들어간 후에 용접부(150)에서 납 용접을 하게 된다. As shown in Fig. 4, the present invention is a cylindrical protruding guide part 200 is added to the inner side of the terminal bushing 130 in Fig. 3 of the prior art, and the cylindrical protruding guide part 200 is as shown in Fig. It is installed to protrude from the edge 190 of the opening 180 of the terminal bushing 130 to the inside of the terminal bushing 130 perpendicular to the edge 190, and when the flexible tube is inserted into the terminal bushing 130, the black After the end portion of the sible tube enters the space 210 along the cylindrical protruding guide portion 200 and completely enters as shown in FIG. 4, solder welding is performed at the welding portion 150.

이렇게 하면 블렉시블 튜브가 수직으로 절단되었을 될 때에, 금속 직조물(110)이 풀려서 날카로운 강선이 삐져 나오거나 주름관(100)의 절단된 면에서 날카로운 돌출부가 형성되더라도, 이러한 삐져 나온 강선이나 날카로운 돌출부가 원주형 돌출 가이드부(200) 외측과 단말 부싱(130)의 내벽 사이의 공간(210)에 있게 되어 원주형 돌출 가이드부(200) 내측으로 이러한 금속 직조물(110)의 삐져 나온 강선이나 주름관(100)의 날카로운 돌출부가 노출되지 않기 때문에, 작업자가 원주형 돌출 가이드부(200) 내측으로 손가락을 넣어도 손가락이 찔리거나 베이게 되는 손상이 없게 되고 전선이 블렉시블 튜브 내부를 통과할 때에도 전선의 피복이 긁혀서 피복이 손상되는 일이 없게 된다. In this way, when the flexible tube is cut vertically, even if the metal woven material 110 is released and a sharp steel wire protrudes or a sharp protrusion is formed from the cut surface of the corrugated pipe 100, such a protruding steel wire or sharp protrusion It is in the space 210 between the outer side of the cylindrical protruding guide part 200 and the inner wall of the terminal bushing 130, so that the steel wire or corrugated pipe 100 protruding from the metal woven material 110 into the inner side of the cylindrical protruding guide part 200 ), the sharp protrusions of) are not exposed, so that even if the operator puts a finger inside the cylindrical protruding guide 200, there is no damage that the finger is pierced or cut, and the wire is covered even when the wire passes through the inside of the flexible tube. This scratch does not damage the coating.

또한, 단말 부싱(130)의 개구부(180)가 바닥을 향하게 놓고 블렉시블 튜브를 상부에서 단말 부싱(130)에 끼우고 용접부(150)에서 납 용접하는 경우에 납을 과도하게 투입하더라도 납물이 블렉시블 튜브의 단부를 통해 흘러나오더라도 납물이 이 공간(200)에 수납되기 때문에, 단말 부싱(130)의 개구부(180)의 테두리(190) 쪽으로 납물이 흘러 나오는 불량이 발생하지 않게 된다. In addition, when the opening 180 of the terminal bushing 130 faces the bottom, the flexible tube is inserted into the terminal bushing 130 from the top, and lead welding is performed at the welding part 150, the lead is not Even if the lead material flows out through the end of the flexible tube, the lead material is accommodated in the space 200, so that the lead material flows toward the edge 190 of the opening 180 of the terminal bushing 130 does not occur.

그리고, 도4에서는 원주형 돌출 가이드부(200)의 깊이가 단말 부싱(130)의 깊이에 비해 상당히 작은 것으로 도시되었지만, 단말 부싱(130)의 깊이의 절반 정도 또는 단말 부싱(130)의 깊이 정도로 하는 것도 가능한데, 이렇게 하면 공간(200)의 깊이가 깊게 되어 수직 절단이 엉성하여 상기의 날카로운 강선이 좀 길더라도 충분히 수용 가능하게 되고, 납물이 상당히 과다하게 투입되더라도 납물이 개구부(180) 쪽으로 흘러나오지 않게 된다. And, in Figure 4, the depth of the cylindrical protruding guide portion 200 is shown to be considerably smaller than the depth of the terminal bushing 130, but about half the depth of the terminal bushing 130 or about the depth of the terminal bushing 130 In this way, the depth of the space 200 becomes deep and the vertical cut is sloppy, so that even if the sharp steel wire is a little long, it is sufficiently acceptable, and even if the lead material is excessively input, the lead material does not flow out toward the opening 180. do.

한편, 이상에서는 본 고안의 바람직한 실시예를 설명하였지만 본 고안은 이러한 실시예에 한정되는 것이 아니라 본 고안의 정신을 벗어나지 않는 범위 내에서 다양한 변형과 변경이 가능하다는 점에 유의해야 한다. On the other hand, although the preferred embodiment of the present invention has been described above, it should be noted that the present invention is not limited to these embodiments, and various modifications and changes are possible within the spirit of the present invention.

Claims (3)

방폭 플렉시블 튜브용 단말 부싱에 있어서,
단말 부싱(130)의 개구부(180)의 테두리(190)에서 테두리(190)와 수직하게 단말 부싱(130)의 내부로 돌출되게 설치되어, 블렉시블 튜브와 결합시 블렉시블 튜브의 말단부가 따라 들어가는 원주형 돌출 가이드부(200)를 포함하는 것을 특징으로 하는 방폭 플렉시블 튜브용 단말 부싱.In the terminal bushing for explosion-proof flexible tube,
It is installed to protrude from the edge 190 of the opening 180 of the terminal bushing 130 to the inside of the terminal bushing 130 perpendicular to the edge 190, and when combined with the flexible tube, the end portion of the flexible tube Explosion-proof flexible tube terminal bushing, characterized in that it comprises a cylindrical protruding guide portion 200 that enters along. 제1항에 있어서,
상기 원주형 돌출 가이드부(200)의 깊이는 단말 부싱(130)의 깊이에 비해 작은 것을 특징으로 하는 방폭 플렉시블 튜브용 단말 부싱.The method of claim 1,
Terminal bushing for explosion-proof flexible tube, characterized in that the depth of the cylindrical protruding guide portion 200 is smaller than the depth of the terminal bushing (130). 제1항에 있어서,
상기 원주형 돌출 가이드부(200)의 깊이는 단말 부싱(130)의 깊이의 실질적으로 절반인 것을 특징으로 하는 방폭 플렉시블 튜브용 단말 부싱.

The method of claim 1,
Terminal bushing for explosion-proof flexible tube, characterized in that the depth of the cylindrical protruding guide portion 200 is substantially half of the depth of the terminal bushing (130).
KR2020200004153U 2020-11-17 2020-11-17 Terminal Bushing for Explosion Proof Flexible Tube KR200493604Y1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240052383A (en) 2022-10-14 2024-04-23 승진산업 (주) No-welded flexible joint equipment
KR102666339B1 (en) 2023-07-13 2024-05-16 승진산업 (주) Non-welding flexible joint device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003218577A (en) * 2002-01-21 2003-07-31 Nippon Flex Kk Terminal cap of flexible conduit
JP2011158026A (en) * 2010-02-01 2011-08-18 Aron Kasei Co Ltd Drainage flexible pipe and connecting part-connecting structure
KR101395724B1 (en) 2013-08-05 2014-05-16 승진산업 (주) Nonwelding flexible tube product

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003218577A (en) * 2002-01-21 2003-07-31 Nippon Flex Kk Terminal cap of flexible conduit
JP2011158026A (en) * 2010-02-01 2011-08-18 Aron Kasei Co Ltd Drainage flexible pipe and connecting part-connecting structure
KR101395724B1 (en) 2013-08-05 2014-05-16 승진산업 (주) Nonwelding flexible tube product

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20240052383A (en) 2022-10-14 2024-04-23 승진산업 (주) No-welded flexible joint equipment
KR102666339B1 (en) 2023-07-13 2024-05-16 승진산업 (주) Non-welding flexible joint device

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