KR101355822B1 - Terminal box - Google Patents

Terminal box Download PDF

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Publication number
KR101355822B1
KR101355822B1 KR1020130015894A KR20130015894A KR101355822B1 KR 101355822 B1 KR101355822 B1 KR 101355822B1 KR 1020130015894 A KR1020130015894 A KR 1020130015894A KR 20130015894 A KR20130015894 A KR 20130015894A KR 101355822 B1 KR101355822 B1 KR 101355822B1
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South Korea
Prior art keywords
terminal
terminal body
resin
injection
terminal box
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KR1020130015894A
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Korean (ko)
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김근수
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김근수
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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
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/12—Distribution boxes; Connection or junction boxes for flush mounting
    • H02G3/121—Distribution boxes; Connection or junction boxes for flush mounting in plain walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
    • B29C45/14795—Porous or permeable material, e.g. foam

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Or Junction Boxes (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The purpose of the present invention is to provide a terminal box that is made by double-shot injection molding of a mixture of a resin material and a foaming agent, thereby preventing condensation and having improved insulation performance resulting from a double structure. The terminal box includes a box-shaped terminal body moulded by injection of a resin material and having an open front face and a reception space inside for installing a terminal for connecting an electric wire and etc. as being buried in a ferroconcrete wall; and an insulating body moulded by injection of a mixture consisting of 2-30 wt% of the resin material and 70-98 wt% of the foaming agent so as to surround the terminal body except for the open front face of the terminal body, and form resin concentrated parts, in which the resin material intensively exists, at a region contacting the terminal body and a region contacting an injection mould and a foam part between the resin concentrated parts.

Description

단자함{Terminal box} Terminal box

본 발명은 단독, 공동주택 또는 건물 등의 벽체에 매설되어 배선되는 통신선과 연결되는 단자들을 설치하기 위한 공간을 제공하는 단자함에 관한 것으로, 특히 결로 현상을 방지할 수 있는 구조를 갖게 하여 단열 효과가 향상되게 한 단자함에 관한 것이다. The present invention relates to a terminal box that provides a space for installing terminals connected to a communication line that is embedded and wired in a wall of a single house, a multi-family house or a building, and more particularly, to have a structure that can prevent condensation and to have an insulation effect. It relates to a terminal box which is improved.

일반적으로 단자함이라고 하면, 단독, 공동주택 혹은 건물 등의 시공시 벽체에 매설되어 내부로 들어오는 전선, 예컨대 전기선, 전화선, 인터넷 전용선, 안테나선 등을 연결하기 위한 단자를 설치할 수 있는 공간을 제공하는 것이다. In general, a terminal box is a space for installing terminals for connecting electric wires, telephone lines, Internet dedicated lines, antenna lines, etc., which are buried in a wall during construction of a single house, apartment house, or building. .

이와 같은 단자함을 벽체에 매설하는 과정을 보면, 벽체를 형성하는 철근 골조를 먼저 설치 후, 그 철근 골조에는 기 준비된 단자함을 그 단자함의 개구부를 실내로 노출되게 위치하고, 이어서 거푸집을 설치 후 시멘트 몰탈을 타설함에 의해 단자함이 매입된 벽체를 형성하고 있다. In the process of embedding the terminal box in the wall, first install the reinforcing bar frame to form the wall, then place the prepared terminal box to expose the opening of the terminal box to the room, and then install the formwork and cement mortar By pouring, the terminal box forms the wall in which it was embedded.

그러나 종래에는 벽체에 매립되어 단자를 수용 설치하기 위한 공간을 제공하는 단자함이 수지 재질로 구성되어 있기 때문에 단열 효과가 떨어지는 문제점이 있다. However, in the related art, since the terminal box is embedded in a wall and provides a space for accommodating and installing the terminal, since the terminal box is made of a resin material, there is a problem that the thermal insulation effect is lowered.

또한, 본 발명자가 대한민국 특허청에 실용신안등록 출원하여 공개번호 제20-2010-0008257호로 공개된 '수밀기능을 갖는 통신 및 전기용 단자함'이 제시되어 있는데, 이는 함체 및 커버프레임의 결합부위를 밀폐되게 밀착하는 수밀부재를 구비함으로써, 함체 및 커버프레임의 내부로 이물질 또는 물 등의 유입을 방지하여 화재 위험 등을 미연에 방지할 수 있게 한 것이다. In addition, the present inventor applied for a utility model registration in the Republic of Korea Patent Office has been published 'published No. 20-2010-0008257' telecommunications and electrical terminal box having a watertight function is proposed, which seals the coupling portion of the enclosure and the cover frame By providing a watertight member that is in close contact with each other, it prevents the inflow of foreign matter or water into the interior of the enclosure and the cover frame to prevent the risk of fire in advance.

그러나 이러한 구조는 함체 및 커버프레임의 사이에 수밀부재가 설치되는 것으로, 함체에 발생하는 결로 현상은 방지할 수 없었다. 즉, 함체가 수지 재질로 구성됨에 의해 함체 내외부의 온도차에 의해 함체에서 자체적으로 발생하는 결로 현상은 해결할 수 없었다. However, such a structure is that the watertight member is installed between the housing and the cover frame, the condensation phenomenon occurred in the housing could not be prevented. That is, since the enclosure is made of a resin material, the condensation phenomenon which occurs in the enclosure due to the temperature difference inside and outside the enclosure cannot be solved.

국내 실용신안 공개번호 제20-2010-0008257호, 수밀기능을 갖는 통신 및 전기용 단자함.Domestic Utility Model Publication No. 20-2010-0008257, Terminal box for communication and electric with watertight function.

본 발명의 목적은 수지 원료와 발포제를 혼합하여 이중 사출로 성형함에 의해 결로 현상을 방지할 수 있는 이중 구조를 갖게 하여 단열 효과가 향상되게 한 단자함을 제공하는데 있다. SUMMARY OF THE INVENTION An object of the present invention is to provide a terminal box in which a resin material and a foaming agent are mixed to have a double structure which can prevent condensation by molding by double injection, thereby improving thermal insulation effect.

상기 목적을 달성하기 위한 본 발명은 철근 콘크리트 벽체에 매립되어 내부로 들어오는 전선 등을 연결하기 위한 단자를 설치할 수 있는 공간을 제공할 수 있게 전면만이 개방된 수용공간을 구비하는 박스 형태의 수지 원료로 사출 성형된 단자몸체; 및 상기 단자몸체를 감싸게 수지 원료 2~30중량%와 발포제 70~98중량%를 혼합한 혼합물로 상기 단자몸체의 개방부를 제외한 전체를 감싸게 사출 성형하여 상기 단자몸체에 접하는 부위 및 사출금형과 접하는 부위에 수지 원료가 집중적으로 위치되는 수지밀집부를 형성하여 그 수지밀집부의 사이에 공기층을 갖는 발포부가 형성된 단열몸체를 포함하는 것을 특징으로 한다. The present invention for achieving the above object is a box-type resin raw material having a receiving space open only on the front surface to provide a space for installing a terminal for connecting the wires, etc. that are embedded in the reinforced concrete wall An injection molded terminal body; And an injection molding covering the entire terminal except the opening of the terminal body with a mixture of 2 to 30% by weight of a resin raw material and 70 to 98% by weight of a foaming agent to surround the terminal body, and a part contacting the terminal body and an injection mold. It characterized in that it comprises a heat-insulating body formed with a foamed portion having an air layer between the resin concentrated portion is formed by forming a resin concentrated portion in which the resin raw material is concentrated.

본 발명은 수지 원료와 발포제를 혼합하여 이중 사출로 성형함에 의해 결로 현상을 방지할 수 있는 이중 구조를 가짐으로서 단열 효과를 향상시킬 수 있는 효과가 있다. 또한, 본 발명은 강도를 보강할 수 있는 효과도 있다. The present invention has the effect of improving the thermal insulation effect by having a dual structure that can prevent condensation by mixing the resin raw material and the foaming agent and molding in a double injection. In addition, the present invention also has the effect of reinforcing strength.

도 1은 본 발명에 따른 단자함을 나타낸 사시도이고,
도 2는 도 1표시의 I-I선 단면도이고,
도 3은 도 2표시의 "A"부 확대도이고,
도 4는 도 3표시의 변형예이고,
도 5는 일반적인 단자함의 일예를 나타낸 사시도이고,
도 6은 도 5표시의 II-II선 단면도이다. 1 is a perspective view showing a terminal box according to the present invention,
Fig. 2 is a sectional view taken along line II in Fig. 1,
3 is an enlarged view of an "A" part of Fig. 2,
4 is a modification of the display shown in FIG.
5 is a perspective view showing an example of a general terminal box,
6 is a sectional view taken along the line II-II in Fig.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 더욱 상세하게 설명한다. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도시된 바와 같이, 본 발명에 따른 단자함(100)은 철근 콘크리트 벽체에 매립되어 내부로 들어오는 전선 등을 연결하기 위한 단자를 설치할 수 있는 공간을 제공하는 것이다. As shown, the terminal box 100 according to the present invention is to provide a space for installing a terminal for connecting the wires and the like, embedded in the reinforced concrete wall.

이러한 단자함(100)은, 통신 및 전기 단자를 설치할 수 있게 마련된 일면이 개방된 박스 형상으로 이루어진 단자몸체(110)와, 상기 단자몸체(110)를 감싸게 이중 사출로 성형된 단열몸체(120)로 이루어지며, 상기 개구부에는 커버프레임(112)이 결합될 수 있다. The terminal box 100, the terminal body 110 made of a box-shaped open one side provided to install the communication and electrical terminals, and the heat insulating body 120 formed by double injection to surround the terminal body 110 The cover frame 112 may be coupled to the opening.

이때, 상기 단열몸체(120)는 단자몸체(110)를 감싸게 이중 사출로 성형되는데, 상기 커버프레임(112)을 함께 감싸게 이중 사출로 성형될 수도 있다. In this case, the heat insulation body 120 is molded by a double injection to surround the terminal body 110, it may be molded by a double injection to wrap the cover frame 112 together.

상기 단자함(100)은 단독, 공동주택 또는 빌딩 등을 시공하게 되는 경우, 단자들이 설치되는 단자몸체(110)의 개방된 단자함이 벽체의 외부로 노출될 수 있도록 철근 콘크리트 벽체에 매립되게 설치된다. The terminal box 100 is installed to be embedded in the reinforced concrete wall so that the open terminal box of the terminal body 110 in which the terminals are installed may be exposed to the outside of the wall when the single box, the apartment house or the building is constructed.

또한, 상기 단자몸체(110)의 소정위치에는 다수개의 전선인입구(104)가 마련된다. 상기 전선인입구(104)는 외부와 서로 연통되게 마련되며, 단자에 연결하기 위한 각종 전선(예를 들어, 전기선, 전화선, 인터넷 전용선, 안테나선 등)이 전선인입구(104)를 통해 단자몸체(110)의 수용공간(102)측으로 인입된다. In addition, a plurality of wire inlets 104 are provided at predetermined positions of the terminal body 110. The wire inlet 104 is provided in communication with the outside, and various wires (for example, electric lines, telephone lines, Internet dedicated lines, antenna lines, etc.) for connecting to the terminal through the wire inlet 104 terminal body 110 ) Is drawn into the receiving space 102 side.

이러한 단자몸체(110)의 상/하부 소정위치에는 단자몸체(110)를 골조 등에 고정시키기 위한 다수개의 고정구(106)가 마련된다. A plurality of fasteners 106 are provided at the upper and lower predetermined positions of the terminal body 110 to fix the terminal body 110 to a frame or the like.

또한, 상기 단열몸체(120)는 수지 원료 2~30중량%와 발포제 70~98중량%를 혼합한 혼합물로 상기 단자몸체(110)를 감싸게 이중 사출로 성형하여 상기 단자몸체(110)와 일체로 되게 성형한다. 이때, 상기 수지 원료는 PE, PP, PVC, ABS 중 어느 하나로 이루어질 수 있다. In addition, the heat insulation body 120 is a mixture of 2 to 30% by weight of the resin raw material and 70 to 98% by weight of the blowing agent is molded in a double injection to wrap the terminal body 110 integrally with the terminal body 110. Mold to be. In this case, the resin raw material may be made of any one of PE, PP, PVC, ABS.

이와 같이 이중 사출로 성형되는 상기 단열몸체(120)는 단자몸체(110)의 외부를 감싸게 일체형으로 사출 성형되는데, 상기 단자몸체(110)와 커버프레임(112)을 함께 감싸도록 사출 성형할 수도 있다. 즉, 상기 단자몸체(110)에 결합된 커버프레임(112)을 함께 감싸게 이중 사출 성형될 수 있다. As described above, the insulating body 120 formed by double injection is integrally injection molded to surround the outside of the terminal body 110, and may be injection molded to surround the terminal body 110 and the cover frame 112 together. . That is, it may be double injection molding to surround the cover frame 112 coupled to the terminal body 110 together.

또한, 이중 사출로 성형되는 단열몸체(120)는 단자몸체(110)와 접하는 부위 및 사출금형과 접하는 부위에 수지 원료가 집중적으로 위치되는 수지밀집부(122)를 형성하여, 그 수지밀집부(122)의 사이에 공기층을 갖는 발포부(124)가 형성된다. In addition, the heat insulating body 120 formed by double injection forms a resin dense part 122 where the resin raw material is concentrated in a part in contact with the terminal body 110 and a part in contact with the injection mold, and the resin dense part ( Between the 122, the foam part 124 which has an air layer is formed.

이와 같은 단열몸체(120)는 상기 단자몸체(110)의 외부에 이중 사출로 단열몸체(120)를 성형하는 과정에서 상기 발포제에 의해 기포(공기층)를 갖는 발포부(124)가 형성되는데, 이때 수지 원료가 외측부로 밀리면서 수지밀집부(122)를 형성하여, 상기 발포부(124)의 외부를 감싸는 형태로 상기 단자몸체(110)에 일체로 되게 사출 성형된다. Such a heat insulating body 120 has a foam (124) having a bubble (air layer) by the blowing agent in the process of forming the heat insulating body 120 by a double injection to the outside of the terminal body 110, wherein The resin raw material is pushed to the outer side to form the resin dense part 122, and is injection molded to be integral with the terminal body 110 in a form to surround the outside of the foam part 124.

이때, 상기 수지밀집부(122)와 발포부(124)의 사이를 첨부된 도면 도 2 내지 도 4에서는 경계선으로 표시하였다. At this time, between the resin dense part 122 and the foaming part 124 is shown in the accompanying drawings in Figures 2 to 4 as a boundary line.

또한, 상기 단열몸체(120)는 8~20mm를 갖도록 상기 단자몸체(110)에 일체형으로 이중 사출 성형되는데, 바람직하게는 상기 단열몸체(120)가 10mm의 두께로 이중 사출 성형됨이 좋다. In addition, the heat insulating body 120 is integrally double injection molded to the terminal body 110 to have 8 to 20 mm, preferably, the heat insulating body 120 is double injection molded to a thickness of 10 mm.

특히, 본 발명에 따른 단자함(100)은 상기 단열몸체(120)를 이중 사출 성형할 때, 도 4표시와 같이 상기 단자몸체(110)에 단열층(130)이 코팅된 상태에서 상기 단열몸체(120)를 이중 사출로 성형할 수 있으며, 이렇게 성형된 단자함(100)은 상기 단열층(130)에 의해 단열 효과를 더욱 극대화할 수 있다. In particular, the terminal box 100 according to the present invention, when double-injection molding the heat insulating body 120, the heat insulating body 120 in a state in which the heat insulating layer 130 is coated on the terminal body 110 as shown in FIG. ) Can be molded by double injection, the molded terminal box 100 can further maximize the thermal insulation effect by the heat insulating layer 130.

본 발명에 따른 단자함(100)은 도 5 ~도 6표시와 같은 일반적인 단자함의 외부에 수지 원료와 발포제를 혼합한 혼합물로 단열몸체를 일체형으로 이중 사출 성형하여 형성하는 것으로, 상기 단열몸체를 이중 사출 성형하기 위한 단자함은 도시되지 않은 모든 단자함을 포함한다. The terminal box 100 according to the present invention is formed by a double injection molding of a heat insulating body in a single body by a mixture of a resin raw material and a foaming agent mixed outside of a typical terminal box as shown in Figs. The terminal box for forming includes all terminal boxes not shown.

이와 같은 본 발명의 단자함(100)은, 상기 발포부(124)가 형성되도록 수지 원료와 발포제를 혼합하여 상기 단자몸체(110)의 외부에 단열몸체(120)를 일체형으로 이중 사출로 성형함으로서 결로 현상을 방지할 수 있다. 즉, 상기 단자몸체(110)에 일체형으로 이중 사출 성형되는 단열몸체(120)가 발포부(124)를 구비함으로, 상기 발포부(124)에 의한 단열 효과를 얻어 결로 현상을 방지할 수 있다. Such a terminal box 100 of the present invention, by mixing the resin raw material and the foaming agent so that the foam portion 124 is formed by condensation by molding the heat insulating body 120 to the outside of the terminal body 110 in a single injection molding. The phenomenon can be prevented. That is, since the heat insulation body 120 integrally double injection molded into the terminal body 110 includes the foam part 124, condensation may be prevented by obtaining a heat insulation effect by the foam part 124.

100 - 단자함 110 - 단자몸체
112 - 커버프레임 120 - 단열몸체
122 - 수지밀집부 124 - 발포부100-terminal box 110-terminal body
112-Cover frame 120-Insulated body
122-Condensed resin part 124-Foamed part

Claims (1)

철근 콘크리트 벽체에 매립되어 내부로 들어오는 전선 등을 연결하기 위한 단자를 설치할 수 있는 공간을 제공할 수 있게 전면만이 개방된 수용공간을 구비하는 박스 형태의 수지 원료로 사출 성형된 단자몸체; 및
상기 단자몸체를 감싸게 수지 원료 2~30중량%와 발포제 70~98중량%를 혼합한 혼합물로 상기 단자몸체의 개방부를 제외한 전체를 감싸게 사출 성형하여 상기 단자몸체에 접하는 부위 및 사출금형과 접하는 부위에 수지 원료가 집중적으로 위치되는 수지밀집부를 형성하여 그 수지밀집부의 사이에 공기층을 갖는 발포부가 형성된 단열몸체를 포함하는 것을 특징으로 하는 단자함. A terminal body injection-molded with a resin material of a box shape having a receiving space open only at the front surface to provide a space for installing terminals for connecting wires, etc., which are embedded in the reinforced concrete wall; And
It is a mixture of 2-30% by weight of the resin raw material and 70-98% by weight of the foaming agent to wrap the terminal body, and injection molding the entire body except the open part of the terminal body by injection molding to a part in contact with the terminal body and an injection mold. And a heat-insulating body having a foamed portion having an air layer therebetween, forming a resin-dense portion in which the resin raw material is concentrated.
KR1020130015894A 2013-02-14 2013-02-14 Terminal box KR101355822B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102267083B1 (en) * 2021-02-18 2021-06-17 손자영 Distribution box for integrated control system
KR102309080B1 (en) * 2021-05-06 2021-10-06 (주)신한티이씨 Distribution cable protection device for buildings

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0780968A (en) * 1993-09-10 1995-03-28 Sumitomo Wiring Syst Ltd Thermoplastic resin molded product and production thereof
JPH1075516A (en) * 1996-08-30 1998-03-17 Mirai Ind Co Ltd Condensation-proof box and its manufacturing method
JP2003064215A (en) 2001-08-27 2003-03-05 Yoshitoshi Kayama Molding of foam resin and its manufacturing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0780968A (en) * 1993-09-10 1995-03-28 Sumitomo Wiring Syst Ltd Thermoplastic resin molded product and production thereof
JPH1075516A (en) * 1996-08-30 1998-03-17 Mirai Ind Co Ltd Condensation-proof box and its manufacturing method
JP2003064215A (en) 2001-08-27 2003-03-05 Yoshitoshi Kayama Molding of foam resin and its manufacturing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102267083B1 (en) * 2021-02-18 2021-06-17 손자영 Distribution box for integrated control system
KR102309080B1 (en) * 2021-05-06 2021-10-06 (주)신한티이씨 Distribution cable protection device for buildings

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