WO2009128457A1 - Structure de masse de connecteur coaxial - Google Patents

Structure de masse de connecteur coaxial Download PDF

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Publication number
WO2009128457A1
WO2009128457A1 PCT/JP2009/057529 JP2009057529W WO2009128457A1 WO 2009128457 A1 WO2009128457 A1 WO 2009128457A1 JP 2009057529 W JP2009057529 W JP 2009057529W WO 2009128457 A1 WO2009128457 A1 WO 2009128457A1
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WO
WIPO (PCT)
Prior art keywords
outer conductor
ground
conductor terminal
bracket
housing
Prior art date
Application number
PCT/JP2009/057529
Other languages
English (en)
Japanese (ja)
Inventor
山口　徹
Original Assignee
矢崎総業株式会社
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 矢崎総業株式会社 filed Critical 矢崎総業株式会社
Publication of WO2009128457A1 publication Critical patent/WO2009128457A1/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
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/50—Bases; Cases formed as an integral body
    • 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
    • H01R9/0512—Connections to an additional grounding conductor

Definitions

  • the present invention relates to a grounding structure for a coaxial connector.
  • a coaxial cable used for high-frequency signal transmission such as an antenna wire generally includes a core wire as a central conductor, an insulator as a dielectric, a metal tape conductor and a braid as an outer conductor, and an insulating sheath as an outer sheath. In order from the center.
  • the coaxial cable having such a configuration is provided with a coaxial connector at the terminal in order to connect to a counterpart device, a coaxial cable, or the like.
  • the coaxial connector has an inner conductor terminal and an insulator that accommodates the inner conductor terminal, and an outer conductor terminal for blocking electrical noise such as electromagnetic waves and static electricity outside the insulator.
  • the coaxial connector disclosed in the following Patent Document 1 is configured to be fixed to a body of an automobile or the like through a bracket and to be grounded through a ground terminal and the bracket.
  • the ground terminal is provided as one component or a part integrated with the bracket. The ground terminal is in contact with the outer conductor terminal, thereby enabling body grounding.
  • the present invention has been made in view of the circumstances described above, and provides a grounding structure for a coaxial connector that can prevent an increase in the number of parts, an increase in weight, and an external enlargement, and that can improve the yield.
  • the task is to do.
  • the ground structure of the coaxial connector of the present invention made to solve the above problems includes a housing, an insulating bracket housing connected to the housing, a bracket housed in the bracket housing and connected to the ground, and an outer conductor.
  • a terminal and a ground connection formed integrally with the outer conductor terminal, and the outer conductor terminal is inserted into the housing such that the ground connection contacts the bracket.
  • the ground structure of the present invention preferably includes a plurality of the outer conductor terminals, and each ground connection portion of the outer conductor terminal contacts the bracket or the adjacent outer conductor terminal.
  • the ground contact portion has a spring structure.
  • the outer conductor terminal and the ground connection are integrally formed from a metal plate.
  • the ground connection portion projects in a direction orthogonal to the terminal axis of the outer conductor terminal.
  • the ground structure of the present invention preferably includes a plurality of outer conductor terminals, and the ground contact portion is in contact with a bracket or an adjacent outer conductor terminal.
  • the ground contact portion is integrated with the outer conductor terminal connected to the braid of the coaxial cable, and the ground contact portion contacts the bracket or the adjacent outer conductor terminal. It becomes possible to take earth.
  • the ground contact portion is integrated with the outer conductor terminal, the number of parts does not increase, and the outer conductor terminal is usually formed by processing a thin metal plate. Even if the contact parts are integrated, weight increase and external enlargement can be avoided as much as possible.
  • the contact property with respect to the bracket or the adjacent outer conductor terminal is improved by the spring structure.
  • the ground structure of the coaxial connector according to the present invention is the ground structure described above, wherein the outer conductor terminal includes a guide integrally formed with the outer conductor terminal at a position opposite to the ground contact portion,
  • the housing includes a guide groove for guiding the guide, and the guide is connected to a ground contact portion of the adjacent outer conductor terminal.
  • adjacent outer conductor terminals can be grounded by contact between the ground contact portion and the guide.
  • a metal plate for creating an external terminal used in the ground structure of the present invention includes a plurality of crimping pieces for a coaxial cable, and the grounding contact portion is arranged in parallel with the crimping piece, and the crimping is performed.
  • the length is equal to or shorter than the piece.
  • the ground contact portion is formed so as to be aligned with the crimping piece, so that a portion that has been unnecessary in the past is utilized.
  • the spring contact structure can be used as a ground contact portion having good contact properties.
  • the ground contact portion is formed so as to be aligned with the crimping piece, and the ground contact portion is formed with a length corresponding to the crimping piece.
  • FIG. 1A and 1B are views showing an embodiment of a grounding structure of a coaxial connector according to the present invention, in which FIG. 1A is a rear view of a housing in a state where outer conductor terminals and brackets are indicated by phantom lines, and FIG. It is a rear view of a conductor terminal.
  • 2 to 5 are views of outer conductor terminals
  • FIGS. 6 to 7 are views of a housing
  • FIGS. 8 to 9 are views of an insulator assembly.
  • the coaxial connector is fixed to a body of an automobile or the like via a bracket 1 and can be grounded by an outer conductor terminal 2 that contacts the bracket 1.
  • the ground structure of the coaxial connector according to the present invention has a structure in which the ground contact portion 3 integrated with the outer conductor terminal 2 is brought into contact with the bracket 1.
  • the bracket 1 is formed by pressing a thick metal plate having conductivity.
  • the coaxial connector includes an insulator assembly 7 (see FIG. 8) including a coaxial cable 4 (see FIG. 8), an inner conductor terminal 5 (see FIG. 8), and an insulator 6 (see FIG. 8).
  • a coaxial connector subassembly (not shown) is formed by being connected and fixed to 2, and the coaxial connector subassembly is assembled to the insulating housing 8.
  • a bracket fitting portion 9 for the bracket 1 is formed in the housing 8.
  • the coaxial connector is arranged at a position away from the body by a predetermined amount by forming a fitting state such that the bracket 1 is inserted into the bracket fitting portion 9, and with the insertion of the bracket 1. Then, the ground contact portion 3 of the outer conductor terminal 2 comes into contact with the bracket 1 so that the ground can be taken.
  • the coaxial cable 4 is a well-known one, and includes a core wire 10 as a central conductor, an insulator 11 as a dielectric, a metal tape conductor 12 and a braid 13 as external conductors, and a sheath.
  • the insulating sheath 14 is provided in order from the center.
  • the coaxial cable 4 is processed so that the core wire 10 is exposed with a predetermined length.
  • the braid 13 is folded back onto the insulating sheath 14 and processed so that it can be connected to the outer conductor terminal 2 (see FIGS. 1 to 4).
  • the inner conductor terminal 5 is a metal member having conductivity, and has, for example, a pin-shaped electrical contact portion and a core wire connection portion 15 continuous to the electrical contact portion.
  • the core wire connecting portion 15 is formed in a shape to be a pair of caulking pieces, and the core wire 10 of the coaxial cable 4 can be connected and fixed by caulking.
  • the insulator 6 is a so-called dielectric, and is formed using a synthetic resin material having insulating properties.
  • a held portion 16 is formed on the outer peripheral surface of the insulator 6 to be fixed to the outer conductor terminal 2 (see FIGS. 1 to 4). Before and after the held portion 16, annular flange portions 17 and 17 having a larger diameter than the held portion 16 are formed.
  • the held portion 16 is held by the outer conductor terminal 2 by crimping a pair of insulator holding crimping pieces 18 of the outer conductor terminal 2 as shown in FIG. It has come to be.
  • the outer conductor terminal 2 is formed by forming a conductive metal plate into an outer conductor terminal developed shape 19 as shown in FIG. 5 and then bending it.
  • An electrical contact portion 20 that is in electrical contact with an outer conductor terminal of a counterpart coaxial connector (not shown) is formed at the front portion of the outer conductor terminal 2.
  • the electrical contact portion 20 is formed in a substantially semi-cylindrical shape.
  • the substantially semi-cylindrical portion extends to the middle portion of the outer conductor terminal 2.
  • the electrical contact portion 20 is formed with the pair of insulator holding caulking pieces 18.
  • the pair of insulator holding caulking pieces 18 are formed so as to be continuous with the substantially semi-cylindrical end faces 21, 21.
  • a pair of braid connecting caulking pieces 22 and a pair of sheath fixing caulking pieces 23 are formed at the rear part of the outer conductor terminal 2.
  • the pair of braid connecting caulking pieces 22 and the sheath fixing caulking piece 23 are arranged in a line in the front-rear direction.
  • the pair of braid connecting caulking pieces 22 is formed so that the braid 13 (see FIG. 8) of the coaxial cable 4 can be connected and fixed by caulking.
  • the pair of sheath fixing caulking pieces 23 are formed so that the insulating sheath 14 (see FIG. 8) can be fixed by caulking.
  • the ground contact portion 3 and the guide / connection convex portion 24 are formed in the intermediate portion of the outer conductor terminal 2.
  • the ground contact portion 3 and the guide / connection convex portion 24 are formed so as to protrude in a direction orthogonal to the terminal axis of the outer conductor terminal 2.
  • the ground contact portion 3 is formed so as to be continuous with one of the substantially semi-cylindrical end faces 21, 21, and the guide / connecting convex portion 24 is continuous with the other.
  • the ground contact portion 3 and the guide / connecting convex portion 24 are configured such that their protruding directions differ by 180 °.
  • the contact portion 3 for grounding is formed as a portion to be brought into contact with the bracket 1 (or a portion to be brought into contact with the guide / connection convex portion 24 of the adjacent outer conductor terminal 2 in the case of multiple poles as shown in FIG. 10).
  • the earth contact portion 3 is not particularly limited, but has a spring structure in this embodiment (a structure not having a spring structure is also possible).
  • a spring portion 25 (spring structure) is formed by bending on the tip side of the ground contact portion 3 (for the spring structure, for example, a terminal material having spring properties such as brass, phosphor bronze, copper alloy for spring, etc. is used. (It is assumed that the shape of the illustrated spring portion 25 is an example).
  • the ground contact portion 3 is formed so that a part thereof protrudes to the bracket fitting portion 9 of the housing 8.
  • the contact portion 3 for earth is formed at a position that improves the yield of the outer conductor terminal 2. Specifically, as can be seen from the outer conductor terminal development shape 19 shown in FIG. 5, it is formed in a portion that has become unnecessary in the prior art (the reference numeral in FIG. 5 corresponds to the portion after bending). And).
  • the ground contact portion 3 is formed to be aligned with the braided connection crimping piece 22 in the state of the outer conductor terminal unfolded shape 19 before bending, and has a length substantially equal to that of the braided connection crimping piece 22. (In this embodiment, it is formed with a length that takes into account the spring portion 25).
  • the guide and connection convex portion 24 is formed as a guide portion for the housing 8 (in addition to this, as shown in FIG. 10, a connection portion for the ground contact portion 3 of the adjacent outer conductor terminal 2).
  • the guide / connection convex portion 24 is formed in a convex piece shape that is shorter in the protruding direction than the ground contact portion 3. As shown in FIGS. 1B and 3, the guide / connection convex portion 24 is disposed at a position lower than the ground contact portion 3 by the thickness of the terminal as viewed in the vertical direction of the drawing.
  • the housing 8 has a connector fitting which is a fitting portion of a sub-assembly housing portion 26 for housing and locking a coaxial connector sub-assembly (not shown) and a mating coaxial connector (not shown). It has the joint part 27 and the bracket fitting part 9 used as the part fitted to the bracket 1.
  • a lance 29 for hooking and locking the locked portion 28 of the outer conductor terminal 2 is formed in the sub-assembly housing portion 26. Further, the sub-assembly housing portion 26 is formed with a contact portion guide 30 for the grounding contact portion 3 of the outer conductor terminal 2 and a connection convex portion guide groove 31 for the guide / connection convex portion 24.
  • the contact portion guide 30 is formed so as to communicate with the bracket fitting portion 9.
  • the ground contact portion 3 is integrated with the outer conductor terminal 2, and the ground contact portion 3 contacts the bracket 1. It has a grounding structure. Such a ground structure can be grounded.
  • the ground contact portion 3 since the ground contact portion 3 is integrated with the outer conductor terminal 2, the ground can be taken without increasing the number of components. Since the outer conductor terminal 2 is usually formed by processing a metal thin plate, even if the ground contact portion 3 is integrated with the outer conductor terminal 2, an increase in weight and enlargement of the outer shape can be avoided as much as possible. In the present invention, an increase in the product number can be avoided by integrating the ground contact portion 3 with the outer conductor terminal 2. In addition, the present invention can also improve the yield of the outer conductor terminals 2.
  • the present invention has been made in view of the circumstances described above, and provides a grounding structure for a coaxial connector that can prevent an increase in the number of parts, an increase in weight, and an external enlargement, and that can improve the yield. To do.

Abstract

La présente invention concerne une structure de masse d’un connecteur coaxial, dont il est possible d’éviter que le nombre de pièces, le poids et la taille augmentent, et dont le rendement peut être amélioré. La structure de masse d’un connecteur coaxial comprend un boîtier (8), un boîtier de support isolant (9) connecté au boîtier (8), un support (1) contenu dans le boîtier de support (9) et connecté à une masse, et une borne conductrice extérieure (2) dotée d’une partie de connexion formée d’une seule pièce (3) pour la masse. La borne conductrice extérieure (2) est insérée dans le boîtier (8) de telle sorte que la partie de connexion (3) est mise en contact avec le support (1).
PCT/JP2009/057529 2008-04-15 2009-04-14 Structure de masse de connecteur coaxial WO2009128457A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008105259A JP2009259500A (ja) 2008-04-15 2008-04-15 同軸コネクタのアース構造
JP2008-105259 2008-04-15

Publications (1)

Publication Number Publication Date
WO2009128457A1 true WO2009128457A1 (fr) 2009-10-22

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ID=41199146

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/057529 WO2009128457A1 (fr) 2008-04-15 2009-04-14 Structure de masse de connecteur coaxial

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JP (1) JP2009259500A (fr)
WO (1) WO2009128457A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57182880U (fr) * 1981-05-14 1982-11-19
JPH10241791A (ja) * 1996-12-25 1998-09-11 Harness Sogo Gijutsu Kenkyusho:Kk コネクタ及びその取付構造
JP2001357945A (ja) * 2000-06-16 2001-12-26 Auto Network Gijutsu Kenkyusho:Kk シールドコネクタおよびシールド端子ユニット
JP2006302722A (ja) * 2005-04-22 2006-11-02 Yazaki Corp 同軸ケーブル、同軸ケーブルの端末処理構造、及び、同軸ケーブル用シールド端子

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4978784B2 (ja) * 2007-07-03 2012-07-18 住友電装株式会社 コネクタ
JP2009123541A (ja) * 2007-11-15 2009-06-04 Sumitomo Wiring Syst Ltd コネクタ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57182880U (fr) * 1981-05-14 1982-11-19
JPH10241791A (ja) * 1996-12-25 1998-09-11 Harness Sogo Gijutsu Kenkyusho:Kk コネクタ及びその取付構造
JP2001357945A (ja) * 2000-06-16 2001-12-26 Auto Network Gijutsu Kenkyusho:Kk シールドコネクタおよびシールド端子ユニット
JP2006302722A (ja) * 2005-04-22 2006-11-02 Yazaki Corp 同軸ケーブル、同軸ケーブルの端末処理構造、及び、同軸ケーブル用シールド端子

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