WO2012046986A1 - Connecteur pour câble coaxial - Google Patents

Connecteur pour câble coaxial Download PDF

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Publication number
WO2012046986A1
WO2012046986A1 PCT/KR2011/007302 KR2011007302W WO2012046986A1 WO 2012046986 A1 WO2012046986 A1 WO 2012046986A1 KR 2011007302 W KR2011007302 W KR 2011007302W WO 2012046986 A1 WO2012046986 A1 WO 2012046986A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
core wire
cable
insulating
shield
Prior art date
Application number
PCT/KR2011/007302
Other languages
English (en)
Inventor
Yong Goo Lee
Kisang Yun
Namsik Lee
Jinuk Lee
Original Assignee
Gigalane Co. Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gigalane Co. Ltd filed Critical Gigalane Co. Ltd
Priority to CN2011800488804A priority Critical patent/CN103155289A/zh
Publication of WO2012046986A1 publication Critical patent/WO2012046986A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5083—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge

Definitions

  • the present invention relates to a connector for a coaxial cable, and more particularly, to a connector for a coaxial cable, which secures a core wire of a cable in contact with and between a cover body and a conductor contacting unit cable by providing elasticity to the core wire via an elastic pressure piece formed on the conductor contacting unit and allows an end of the cable to be signally connected to and grounded to the connector body, whereby stripping processes for the cable can be minimized and a shield line and a dielectric as a first insulating substance can be both simultaneously stripped off from the cable, thereby preventing a short defect due to non-removed shield from occurring.
  • RF coaxial connector is configured to have a cylindrical outer conductor with an inner center conductor (or a conductor pin) at a center of the outer conductor and be securely filled with an insulator between the inner and the outer conductors.
  • the RF coaxial connector is used as a medium to connect various wireless communication elements and devices and transmit high-frequency signals. Types of the coaxial connector vary according to the purpose of use.
  • a core wire and a shield for grounding is stripped.
  • the core wire is stripped off from the cable, and a first insulating layer surrounding the core wire is removed.
  • the outermost second insulating layer is removed from an outer circumference of the shield. Accordingly, through overall three steps of stripping, the cable can have the core wire, the first insulating layer, the shield, and the second insulating layer which are stripped off from the cable and stepwise exposed in this order.
  • the connector that secures the core wire of the cable may be formed of a metal body.
  • the metal body includes a conductor pin, an insulator, a securing portion, and a hingeable cover.
  • the conductor pin is to secure the core wire.
  • the conductor pin is secured in the insulator.
  • the securing portion is formed on one side of the metal body and has the insulator installed therein and an end of the cable is secured on one side of the securing portion.
  • the hingeable cover is provided to bend the conductor pin.
  • the cable end is secured in the securing portion.
  • the core wire is placed in an open space of a conductor pin, and the shield comes in contact with the securing portion made of a metal material and is thereby grounded.
  • the conductor pin is bent, and the core wire placed in the open space of the conductor pin is fixed by the bent conductor pin.
  • the first insulating layer exposed by stripping the shield may protect the shield from being in contact with a part of the conductor pin.
  • the first insulating layer must be removed from the outer circumference of the core wire.
  • the shield is very thin in diameter, 0.05 ⁇ , if the shield is not removed, there always is a risk of an electric short due to the contact between the conductor pin and the shield.
  • a minimum of three steps of stripping is required for the cable, which increases complexity in manufacturing.
  • One object of the present invention is to provide a connector for a coaxial cable, which secures a core wire of a cable in contact with and between a cover body and a conductor contacting unit cable by providing elasticity to the core wire via an elastic pressure piece formed on the conductor contacting unit.
  • Another object of the present invention is to provide a connector for a coaxial cable, which can minimize stripping processes for the cable and remove both a shield line and a dielectric as a first insulating substance simultaneously, thereby preventing a short defect due to non-removed shield from occurring when signally connecting and grounding an end of the cable to a connector body.
  • Another object of the present invention is to provide a connector for a coaxial cable, which stably secures an insulating unit inside a connector body where a core wire is placed, thereby preventing dislocation of the core wire and increasing a contact force to the core wire during pressing the core wire.
  • the present invention provides a connector for a coaxial cable.
  • the connector for a coaxial cable includes: a connector unit configured to have an installation area and include a cable securing end to secure the coaxial cable in such a manner that an end of the cable is placed in the installation area; an insulating unit configured to be secured in the installation area, have an accommodating area in which an exposed end of a core wire of the cable is placed, and press a top surface of the core wire to cover the core wire for electrical insulation; and a conductor contacting unit in a form of a plate configured to be disposed in the accommodating area, be in close contact with a bottom surface of the core wire, and elastically press a part of the core wire.
  • the connector unit may be further configured to comprise a connector body configured to be cylindrical to have the installation area and have a plurality of fixing grooves formed on its circumference, the cable securing end configured to extend from a side of the connector body for the cable to be inserted thereto, and a cover body configured to be located on an outer circumference of the connector body in an opposite side of the cable securing end and hingeably connected to the connector body to cover the installation area.
  • the insulating unit may be further configured to comprise an insulating body configured to be installed in the installation area and have an opening formed on one side, via which the core wire is inserted, an insulating body configured to have the accommodating area connected to the opening, a connection body configured to be elongated a predetermined length from a bottom surface of the insulating body, expose a part of the accommodating area to outside, and have a hole into which a connection conductor is inserted, and an insulating cover body configured to extend from an opposite side of the opening with a predetermined length enough to be bent over the accommodating area.
  • a plurality of fixing projections may be formed on an outer circumference of the insulating body to be fixedly inserted into a plurality of the fixing grooves.
  • a plurality of auxiliary fixing grooves may be further formed on the outer circumference of the insulating body, and a plurality of auxiliary fixing projections may be formed on an inner circumference of the connector body to be fixedly inserted into a plurality of the auxiliary fixing grooves.
  • the conductor contacting unit may be further configured to be installed in the accommodating area in such a manner to be spaced a predetermined distance from one side of the opening.
  • the cable may be configured to comprise the core wire having a predetermined length, a first insulating layer surrounding an outer circumference of the core wire, a shield surrounding the first insulating layer, and a second insulating layer surrounding the shield, and the core wire may come in contact with the conductor contacting unit by removing predetermined lengths of the first insulating layer, the shield and the second insulating layer, the shield may come in contact with and be grounded to the cable securing end by removing a predetermined of the second insulating layer, and the shield and the first insulating layer are removed with the same length.
  • the conductor contacting unit may be further configured to comprise a flat conductive plate installed in the accommodating area and an elastic pressure piece configured to be bent and pointed upward from a front end of the conductive plate to elastically press a part of the core wire.
  • a core wire can be secured between and in contact with a cover body and a conductor contacting unit by elasticity being provided by an elastic pressure piece formed on the conductor contacting unit.
  • stripping processes for the cable can be minimized and a shield line and a dielectric as a first insulating substance can be both simultaneously removed, and thus a short defect due to non-removed shield can be prevented from occurring.
  • an insulating unit inside the connector body where the core wire is placed is stably secured, thereby preventing dislocation of the core wire and increasing a contact force to the core wire during pressing the core wire.
  • FIG. 1 is a perspective view of a connector for a coaxial cable according to an exemplary embodiment of the present invention.
  • FIG. 2 is an exploded partial perspective view taken along line I-I' of FIG. 1.
  • FIG. 3 is a perspective view of a connector for a coaxial cable when the coaxial cable is placed in the connector body, according to an exemplary embodiment of the present invention.
  • FIGS. 4 and 5 are cross-sectional views of a coaxial cable for showing stripping processes.
  • FIG. 6 is a cross-sectional view of a connector for a coaxial cable when the cable is placed in a connector body according to an exemplary embodiment of the present invention.
  • FIG. 1 is a perspective view of a connector for a coaxial cable according to an exemplary embodiment of the present invention.
  • the example illustrated in FIG. 1 shows the connector before the cable is placed in a connector body.
  • FIG. 2 is an exploded partial perspective view taken along line I-I' of FIG. 1.
  • FIG. 3 is a perspective view of the connector for a coaxial cable when the coaxial cable is placed in the connector body, according to an exemplary embodiment of the present invention.
  • connector for a coaxial cable includes a connector unit 100, an insulating unit 200, and a conductor contacting unit 300.
  • the connector unit 100 may be made of a metal material.
  • the connector unit 100 includes a connector body 110.
  • the connector body 110 may be formed as a cylindrical shape, and have an inner installation area a.
  • a cable securing end 120 is formed by extending from one side of the connector body 110.
  • a cable 10 may be fixedly inserted into the cable securing end 120.
  • protruding portions 121 are formed on an inner circumference of one side of the cable securing end 120 such that an outer circumference of the cable 10 that is formed by radially arranging multiple layers can be secured by the protruding portions 121.
  • a cover body 130 may be elongated upward from the other side of the connector body 110 and be hingeably connected to the connector body 110.
  • the cover body 130 may be wide and broad enough to cover the installation area a and the cable securing end 120 of the connector body 110. Hence, when the cover body 130 is folded over the connector body 110, the installation area a and the cable securing end 120 can be covered from outside.
  • the cover body 130 includes fixing pieces 131 formed on both sides, and the fixing pieces 131 may be supported in close contact with both sides of the cable securing end 120 and of the connector body 110.
  • the outer circumference of the connector body 110 may have a plurality of fixing grooves 111.
  • the fixing grooves 111 may be placed on both sides of the connector body 110 in such as manner that they form the same angle with the cable securing end 120.
  • the fixing grooves 111 are provided as a pair, facing each other, on both sides of the connector body 110, thus forming a 'Y' shape.
  • the insulating unit 200 is fixed into the installation area a of the aforementioned connector body 110.
  • the insulating unit 200 may be received in the installation area a.
  • the insulating unit 200 may include an insulating body 210, a connection body 220, and an insulating cover body 230.
  • a core wire 11 of the cable 10 is accommodated in the insulating body 210, the connection body 220 secures an external connection conductor 400, and the insulating cover body 230 electrically insulates the accommodated core wire 11 of the cable 10 by pressurizing a top side of the core wire 11.
  • the insulating body 210 may be fixed by being accommodated in a fixing step 213 that protrudes from a bottom surface of the connector body 110 toward the installation area a.
  • the insulating body 210 includes an opening O on one side, through which the core wire 11 is received.
  • An accommodating area b is formed to be connected to the opening O.
  • the accommodating area b In the accommodating area b, the conductor contacting unit 300 is disposed, which will be described later.
  • the accommodating area b may be formed along a direction of the cable securing end 120, and have a predetermined width and depth.
  • a pair of fixing projections 211 protrude from a circumference of the insulating body 210, and are fixedly inserted into the pair of fixing grooves 111. Accordingly, the insulating body 210 is fixed in a 'Y' shape to the installation area a by inserting the fixing projections 211 into the fixing grooves 111, which results in secure fixation of the insulating body 210 without twist.
  • a pair of auxiliary fixing grooves 212 are formed on the circumference of the insulating body 210, and a pair of auxiliary fixing projections 112 are formed on an inner circumference of the connector body 110 to be inserted into the pair of auxiliary fixing grooves 212. Accordingly, the insulating body 210 is inserted into the installation area a and forms a zigzag coupling force with the inner circumference of the connector body 110, and can thereby be stably coupled with the connector body 110.
  • a hole 221 into which the external connection conductor is inserted is formed with a predetermined length on the connection body 220.
  • the connection body 220 is disposed on a bottom of the insulating body 210, and the hole 221 may be connected to the accommodating area b.
  • the accommodating area b is a space where the conductor contacting unit 300 is substantially located.
  • the hole 221 is connected to the conductor contacting unit 300, so that the connection conductor 400 inserted into the hole 221 can be in physical contact with the conductor contacting unit 300.
  • the insulating cover body 230 may be provided at an opposite side of the opening O as a rod having a predetermined length, extending upward from the accommodating area b.
  • the insulating cover body 230 may be bent.
  • a bottom surface of the insulating cover body 230 may be capable of electrically insulating and pressing the core wire 11 of the cable 10 placed on the conductor contacting unit 300.
  • the conductor contacting unit 300 may include a conductive plate 310 formed of a metal plate having a predetermined width and breadth, which can be fully accommodated in the accommodating area b. Therefore, the conductive plate 310 remaining accommodated in the accommodating area b may have a part of a bottom surface exposed to the hole 221 of the connection body 220, which results in being in physical contact with the connection conductor 400. The remaining part of the bottom surface of the conductive plate 310, other than the part exposed to the hole 221, is accommodated in the accommodating area b around the hole 221. In this case, the conductive plate 310 may be attached to the accommodating area with an additional adhesive, or be secured while an outer circumference of the conductive plate 310 is being inserted into a groove (not shown) formed inside the accommodating area b.
  • the conductive plate 310 may further include a pressure piece 320 on its front side.
  • the pressure piece 320 may be formed to be integrated with or separated from the conductive plate 310.
  • the pressure piece 320 may have a portion P that is bent and pointed upwardly, which substantially presses the bottom surface of the core wire 11 of the cable 10 in close contact with a top surface of the conductor contacting unit 300.
  • the pressure piece 320 is a bent portion of the metal plate and has a predetermined amount of elasticity, and thus can secure the core wire 11 of the cable 10 with a predetermined pressure.
  • the conductor contacting unit 300 may be placed in the accommodating area b in such a manner to be spaced a predefined distance from one side of the opening O.
  • the cable 10 includes the core wire 11 having a predetermined length, a first insulating layer 12 surrounding a circumference of the core wire 11, a shied surrounding the first insulating layer 12, and a second insulating layer 14 surrounding the shield 13.
  • a given length of the core wire 11 may be in contact with the conductor contacting unit 300 by removing predetermined lengths of the first insulating layer 12, the shield 13, and the second insulating layer 14.
  • the shield 13 may be in contact with and grounded to the cable securing unit 120 by removing a predetermined length of the second insulating layer 14. Accordingly, exposed cross-sectional surfaces of the shield 13 and the first insulating layer 12 may be aligned on the same plane. In other words, the shield 13 and the first insulating layer 12 are removed with the same length.
  • the cable 10 configured as above is prepared. Then, by use of a sheath stripper which is not illustrated, the first insulating layer 12, the shield 13, and the second insulating layer 14 are stripped off to expose a predetermined length of the core wire 11. This is a first strip process (S1). In this process, the exposed core wire 11 is to be in contact with a top surface of the conductor contacting unit 300 via the opening O of the insulating body 210.
  • the second insulating layer 14 is stripped off to expose a predetermined length of the shield 13. This is a second strip process (S2).
  • S2 a second strip process
  • the exposed portion of the shield 13 is to be in contact with an inner wall of the cable securing end 120, functioning as a ground.
  • the stripped cable 10 is installed in the connector in accordance with the exemplary embodiments of the present invention.
  • the exposed core wire 11 is placed on the conductor contacting unit 300 installed in the accommodating area b via the opening O of the insulating body 210.
  • the bottom surface of the core wire 11 may be in close contact with the top surface of the conductor contacting unit 300.
  • the externally exposed surfaces of the shield 13 and the first insulating layer 12 may be in close contact with the inner wall of the opening O inside the cable securing end 120.
  • the insulating cover body 230 formed on the other side of the insulating body 210 is bent toward the opening O.
  • the insulating cover body 230 is enabled to press and electrically insulate the top surface of the core wire 11 that is in contact with the top surface of the conductor contacting unit 300.
  • the cover body 130 formed on the other side of the connector body 110 is bent to cover the installation area a and the cable securing end 120. Accordingly, the insulating cover body 230 can be maintained to be bent and press the core wire 11 while being pressed by the cover body 130 that is bent or folded. As a result, the core wire 11 of the cable 10 may be secured while the bottom surface is being in close contact with the top surface of the conductor contacting unit 300 and the top surface is being covered by the insulating cover body 230.
  • the external connection conductor 400 is inserted into the hole 221 of the connection body 220 in order to be in contact with the conductor contacting unit 300.
  • sides of the external connection conductor 400 may be in contact with the sides of the conductor contacting unit 300 and the sides of the core wire 11 in close contact with the top surface of the conductor contacting unit 300.
  • the connection conductor 400 and the core wire 11 can be electrically connected to each other via the conductor contacting unit 300, and the conductor contacting unit 300 in contact with the sides of the core wire 11 can prevent dislocation of the core wire 11 and increase contact force to the core wire 11.
  • the conductor contacting unit 300 is installed in the accommodating area b in such a manner to be spaced a predetermined distance from one side of the opening O on an inner wall of the accommodating area b. That is, a gap G is formed between the side of the opening O close to the cable securing end 120 and the conductor contacting unit 300.
  • the end of the conductor contacting unit 300 may be not in electrical contact with the shield 13 that is located outside of the opening O.
  • the arrangement of the conductor contacting unit 300 can prevent contact between the shield 13 and the conductor contacting unit 300, thereby efficiently preventing the occurrence of an electrical short.
  • the shield 13 is not required to be stripped off to be insulated from the conductor contacting unit 300 that is in contact with the core wire 11, and thus the process for stripping off the shield 13 can be omitted.
  • Such configuration of the conductor contacting unit 300 may prevent an electrical short due to the contact with the shield 13 which may occur in a conventional conductor contacting unit.
  • the conductor contacting unit 300 includes the pressure piece 320 that is bent and pointed upward from a front end of the conductive plate 310.
  • the pointed portion of the pressure piece 320 may substantially press the bottom surface of the core wire 11.
  • the pressure piece 320 protruding from the front end of the conductive plate 310 may have a predetermined amount of elasticity, it may secure the core wire 11 with the elasticity.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Abstract

L'invention concerne un connecteur pour un câble coaxial qui comprend une unité de connecteur conçue pour : avoir une zone d'installation et inclure une extrémité de fixation de câble pour fixer le câble coaxial de manière qu'une extrémité du câble soit placée dans la zone d'installation ; avoir une unité d'isolation configurée pour être fixée dans la zone d'installation, avoir une zone de logement dans laquelle on place une extrémité exposée d'un fil de noyau du câble, et appuyer sur une surface supérieure du fil de noyau afin de couvrir le fil de noyau pour effectuer l'isolation électrique ; et avoir une unité de contact du conducteur prenant la forme d'une plaque configurée pour être disposée dans la zone de logement, être en contact étroit avec une surface inférieure du fil de noyau, et appuyer de manière élastique sur une partie du fil de noyau. Le fil de noyau entre le corps de couvercle et l'unité de contact du conducteur est rendu élastique par une pièce élastique de pression sur l'unité de contact du conducteur, et se trouve ainsi fixé en contact avec le corps du connecteur, une extrémité du câble étant de cette façon connectée pour une transmission de signaux et mise à la terre au corps du connecteur. Ceci permet de minimiser les opérations de dénudage du câble, de dénuder simultanément une ligne de blindage ainsi qu'un matériau diélectrique comme une première substance d'isolation du câble, et d'empêcher ainsi qu'un défaut de court-circuit ne se produise à cause d'un blindage non retiré.
PCT/KR2011/007302 2010-10-05 2011-10-04 Connecteur pour câble coaxial WO2012046986A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011800488804A CN103155289A (zh) 2010-10-05 2011-10-04 用于同轴电缆的连接器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20100096972A KR101069190B1 (ko) 2010-10-05 2010-10-05 동축 케이블용 커넥터
KR10-2010-0096972 2010-10-05

Publications (1)

Publication Number Publication Date
WO2012046986A1 true WO2012046986A1 (fr) 2012-04-12

Family

ID=44958126

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/007302 WO2012046986A1 (fr) 2010-10-05 2011-10-04 Connecteur pour câble coaxial

Country Status (3)

Country Link
KR (1) KR101069190B1 (fr)
CN (1) CN103155289A (fr)
WO (1) WO2012046986A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113889781A (zh) * 2020-07-01 2022-01-04 华为技术有限公司 同轴连接组件及其连接方法

Citations (3)

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KR20060011189A (ko) * 2004-07-29 2006-02-03 (주)기가레인 동축 코넥터와 이 동축 코넥터를 구성하는 핀, 유전체,본체 및 이 부품들을 사용하여 동축 코넥터를 조립하는방법
KR20090126818A (ko) * 2008-06-05 2009-12-09 장국환 알에프 커넥터
KR20100006015A (ko) * 2008-07-08 2010-01-18 케이. 에이. 이 (주) 동축케이블용 플러그 커넥터 및 그 조립방법

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US6712645B1 (en) * 2003-04-22 2004-03-30 Input Output Precise Corporation Cable fixture of coaxial connector
CN2896566Y (zh) * 2006-03-08 2007-05-02 金胜国际股份有限公司 小型同轴电缆线连接器
CN200969409Y (zh) * 2006-09-06 2007-10-31 和锲精密电子股份有限公司 同轴电缆连接器
JP4321873B2 (ja) * 2006-12-13 2009-08-26 ヒロセ電機株式会社 同軸電気コネクタ
CN201054441Y (zh) * 2007-05-29 2008-04-30 技志实业股份有限公司 Rf通讯用微波连接器
JP4394708B2 (ja) * 2007-07-04 2010-01-06 Ｓｍｋ株式会社 同軸コネクタ
CN201078823Y (zh) * 2007-08-17 2008-06-25 宣德科技股份有限公司 同轴连接器
CN201478475U (zh) * 2009-07-28 2010-05-19 连展科技（深圳）有限公司 微型同轴连接器
CN201540971U (zh) * 2009-09-28 2010-08-04 张崑田 同轴电缆连接器

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Publication number Priority date Publication date Assignee Title
KR20060011189A (ko) * 2004-07-29 2006-02-03 (주)기가레인 동축 코넥터와 이 동축 코넥터를 구성하는 핀, 유전체,본체 및 이 부품들을 사용하여 동축 코넥터를 조립하는방법
KR20090126818A (ko) * 2008-06-05 2009-12-09 장국환 알에프 커넥터
KR20100006015A (ko) * 2008-07-08 2010-01-18 케이. 에이. 이 (주) 동축케이블용 플러그 커넥터 및 그 조립방법

Also Published As

Publication number Publication date
KR101069190B1 (ko) 2011-09-30
CN103155289A (zh) 2013-06-12

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