JP2006196450A - Coaxial connector - Google Patents

Coaxial connector Download PDF

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Publication number
JP2006196450A
JP2006196450A JP2005353632A JP2005353632A JP2006196450A JP 2006196450 A JP2006196450 A JP 2006196450A JP 2005353632 A JP2005353632 A JP 2005353632A JP 2005353632 A JP2005353632 A JP 2005353632A JP 2006196450 A JP2006196450 A JP 2006196450A
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Prior art keywords
cylindrical insulator
coaxial connector
insulating base
outer conductor
conductor shell
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JP2005353632A
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JP4616760B2 (en
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Yoichiro Masaki
陽一朗 政木
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Hosiden Corp
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Hosiden Corp
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Priority to JP2005353632A priority Critical patent/JP4616760B2/en
Priority to EP05027310A priority patent/EP1672749B1/en
Priority to DE602005003094T priority patent/DE602005003094T2/en
Publication of JP2006196450A publication Critical patent/JP2006196450A/en
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Publication of JP4616760B2 publication Critical patent/JP4616760B2/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • 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
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/16—Connectors or connections adapted for particular applications for telephony
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/42—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/46—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/52—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted in or to a panel or structure

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  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a coaxial connector, of which a cylindrical insulator is hardly deformed, even if lateral external force is added. <P>SOLUTION: The coaxial cable is such that a cylindrical insulator 19 is protruded and is integrally formed from the surface of an almost rectangular parallelepiped insulation base part 18, with a diameter of a tip part 190 of the cylindrical insulator 19 set large. An outer conductor shell 13, covering a peripheral surface of the cylindrical insulator is formed toward the insulation base part 18 side from the tip part 190. A notch 131 is formed on the front end edge of the outer conductor shell 13, a projection 192 formed in protrusion toward the insulation base part 18 side from a back end of the tip part 190 of the cylindrical insulator 19 enters in the notch 131, and the notch 131 and the projection 192 are engaged with each other in the peripheral direction of the cylindrical insulator 19. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

この発明は、同軸コネクタに関し、特に、外部導体シェルが内部導体コンタクトを有する筒状絶縁体の左右側面或いは上下側面の内の１側面或いは複数側面を露出するように部分的に覆っている同軸コネクタに関する。   The present invention relates to a coaxial connector, and in particular, a coaxial connector in which an outer conductor shell partially covers a left or right side surface or one or more side surfaces of upper and lower side surfaces of a cylindrical insulator having an inner conductor contact. About.

図５Ａ、５Ｂを参照して同軸コネクタの従来例を説明する。この例は特許文献１に示されているたとえば携帯電話のＩ／Ｏコネクタ１００を構成するものとして示されており、同軸コネクタ１０と、マルチコネクタリセプタクル１７が同一基部１８に併設されている。図５ＡはＩ／Ｏコネクタ１００の金属ハウジング１２を半割にして同軸コネクタ１０とマルチコネクタリセプタクル１７を上から視た図、図５ＢはＩ／Ｏコネクタ１００を装脱方向前方から視た図である。図５Ａには破線で相手コネクタプラグ２００の先端部分も示してある。   A conventional example of a coaxial connector will be described with reference to FIGS. 5A and 5B. This example is shown, for example, as constituting an I / O connector 100 of a mobile phone shown in Patent Document 1, and a coaxial connector 10 and a multi-connector receptacle 17 are provided on the same base 18. 5A is a diagram in which the metal housing 12 of the I / O connector 100 is halved and the coaxial connector 10 and the multi-connector receptacle 17 are viewed from above. FIG. 5B is a diagram in which the I / O connector 100 is viewed from the front in the loading / unloading direction. is there. FIG. 5A also shows the distal end portion of the mating connector plug 200 with a broken line.

これら図５Ａ，５Ｂにおいて、１０は同軸コネクタ、１３ｃは外部導体端子、１９ａはコンタクト保持孔、１１は内部導体コンタクト、１１ｃは内部導体端子、１２は金属ハウジング、１３は外部導体シェル、１４はマルチコネクタ用コンタクト、１４ｃはコンタクト端子、１５は検出用導体コンタクト、１５ｃは検出導体端子、１６はマルチコネクタ用の合成樹脂製の板状コンタクトホルダ、１７はマルチコネクタリセプタクル、１８はほぼ直方体の合成樹脂材料より成る絶縁基部、１９は合成樹脂材料より成る筒状絶縁体、２０は相手コネクタプラグの同軸コネクタ、２１は相手コネクタプラグの金属ハウジング、２２は相手コネクタプラグの同軸コネクタの環状外部導体、２３は相手コネクタプラグの同軸コネクタの内部導体ピン、２４は相手コネクタのマルチコネクタプラグを示す。   5A and 5B, 10 is a coaxial connector, 13c is an external conductor terminal, 19a is a contact holding hole, 11 is an internal conductor contact, 11c is an internal conductor terminal, 12 is a metal housing, 13 is an external conductor shell, and 14 is a multi-conductor. Connector contact, 14c is a contact terminal, 15 is a detection conductor contact, 15c is a detection conductor terminal, 16 is a plate contact holder made of synthetic resin for a multi-connector, 17 is a multi-connector receptacle, and 18 is a synthetic resin having a substantially rectangular parallelepiped shape. Insulating base made of material, 19 is a cylindrical insulator made of synthetic resin material, 20 is a coaxial connector of the mating connector plug, 21 is a metal housing of the mating connector plug, 22 is an annular outer conductor of the coaxial connector of the mating connector plug, 23 Is the inner conductor pin of the coaxial connector of the mating connector plug, 2 Shows a multi-connector plug of the mating connector.

絶縁基部１８と一体にその前面から筒状絶縁体１９およびマルチコネクタ用の板状コンタクトホルダ１６が一体に突出して形成されている。筒状絶縁体１９の先端部１９０の外径は筒状絶縁体１９のその他の部分の外径と比較して外部導体シェル１３の厚さ分程度だけ大きい。１９１は筒状絶縁体１９の露出部を示している。筒状絶縁体１９の先端面から絶縁基部１８の後面に筒状絶縁体１９の軸に沿って延びるコンタクト保持孔１１ａが形成されている。外部導体シェル１３も、その後端部において基部１８の前面に取り付けられている。従来例においては、外部導体シェル１３は、筒状絶縁体１９の左側面にのみ設けられてその側面を覆い、右側面には検出用導体コンタクト１５が設けられ、その側面を覆っている。従って、上下側面は露出して、筒状絶縁体１９の露出部１９１を形成している。   A cylindrical insulator 19 and a multi-connector plate-like contact holder 16 are formed integrally with the insulating base 18 so as to protrude from the front surface thereof. The outer diameter of the distal end portion 190 of the cylindrical insulator 19 is larger than the outer diameter of other portions of the cylindrical insulator 19 by the thickness of the outer conductor shell 13. Reference numeral 191 denotes an exposed portion of the cylindrical insulator 19. A contact holding hole 11 a extending along the axis of the cylindrical insulator 19 is formed on the rear surface of the insulating base 18 from the front end surface of the cylindrical insulator 19. The outer conductor shell 13 is also attached to the front surface of the base 18 at the rear end. In the conventional example, the outer conductor shell 13 is provided only on the left side surface of the cylindrical insulator 19 and covers the side surface thereof, and the detection conductor contact 15 is provided on the right side surface and covers the side surface thereof. Therefore, the upper and lower side surfaces are exposed to form an exposed portion 191 of the cylindrical insulator 19.

内部導体コンタクト１１はコンタクト保持孔１９ａ内に収容され、その後端部は延長され内部導体端子１１ｃとされている。外部導体シェル１３の後端部は延長され、外部導体端子１３ｃとされている。検出用導体コンタクト１５の後端部は延長され、検出導体端子１５ｃとされている。板状コンタクトホルダ１６の一面にはコネクタ挿脱方向と平行に伸びる複数のコンタクト溝１６ｇが形成されており、各コンタクト溝１６ｇにはマルチコネクタ用コンタクト１４が装着され、その後端部は絶縁基部１８から突出してコンタクト端子１４ｃとされている。   The inner conductor contact 11 is accommodated in the contact holding hole 19a, and its rear end is extended to be an inner conductor terminal 11c. The rear end portion of the outer conductor shell 13 is extended to form an outer conductor terminal 13c. The rear end of the detection conductor contact 15 is extended to form a detection conductor terminal 15c. A plurality of contact grooves 16g extending in parallel with the connector insertion / removal direction are formed on one surface of the plate-shaped contact holder 16, and a multi-connector contact 14 is mounted in each contact groove 16g. It protrudes from the contact terminal 14c.

図５Ａ，５Ｂにより図示説明される同軸コネクタ１０は図５Ａに破線で示す相手側の同軸コネクタ２０と相互に嵌合、離脱することができる同軸コネクタのリセプタクル側を示す。同軸コネクタ１０は検出用導体コンタクト１５を具備してこれにより同軸コネクタ１０，２０相互間の嵌合、離脱状態を検出する構成とされている。筒状絶縁体１９をその先端部１９０から相手側同軸コネクタ２０の環状外部導体２２に圧入すると、筒状絶縁体１９の表面を包囲する外部導体シェル１３がこの相手側同軸コネクタ２０の環状外部導体２２に電気的機械的に接続すると共に、筒状絶縁体１９のコンタクト保持孔１９ａには相手側の同軸コネクタ２０の内部導体ピン２３が進入して内部導体コンタクト１１と係合接触する。   The coaxial connector 10 illustrated and described with reference to FIGS. 5A and 5B shows the receptacle side of the coaxial connector that can be fitted and detached from the counterpart coaxial connector 20 shown by a broken line in FIG. 5A. The coaxial connector 10 includes a detection conductor contact 15, thereby detecting a fitting / disengaging state between the coaxial connectors 10 and 20. When the cylindrical insulator 19 is press-fitted into the annular outer conductor 22 of the counterpart coaxial connector 20 from the tip end portion 190, the outer conductor shell 13 surrounding the surface of the cylindrical insulator 19 becomes the annular outer conductor of the counterpart coaxial connector 20. The inner conductor pin 23 of the counterpart coaxial connector 20 enters the contact holding hole 19a of the cylindrical insulator 19 and engages and contacts the inner conductor contact 11.

相手コネクタプラグ２００をＩ／Ｏコネクタ１００に装着時に、筒状絶縁体１９の中心線と相手側の同軸コネクタ２０の環状外部導体２２の中心線とが常に一致した状態を保って筒状絶縁体１９の先端部１９０が環状外部導体２２に差し込まれるとは限らない。相手側の同軸コネクタ２０の環状外部導体２２の中心線と同軸コネクタ１０の筒状絶縁体１９の中心線が交差した状態で相手コネクタプラグ２００の金属ハウジング２１をＩ／Ｏコネクタの金属ハウジング１２内に挿入しようとすると、図５Ａに示すように相手コネクタプラグ２００の金属ハウジング２１の図では先端左角部が同軸コネクタ１０の筒状絶縁体１９の先端部１９０と衝突する可能性がある。図５Ａ，５Ｂにおける同軸コネクタ１０とマルチコネクタリセプタクル１７の配置が互いに入れ替えられた構成のＩ／Ｏコネクタでは、金属ハウジング２１の先端右角部が筒状絶縁体１９の先端部１９０に衝突する可能性がある。   When the mating connector plug 200 is attached to the I / O connector 100, the cylindrical insulator 19 is always kept in alignment with the center line of the cylindrical insulator 19 and the center line of the annular outer conductor 22 of the coaxial connector 20 on the mating side. The 19 tip portions 190 are not necessarily inserted into the annular outer conductor 22. The metal housing 21 of the mating connector plug 200 is placed in the metal housing 12 of the I / O connector in a state where the center line of the annular outer conductor 22 of the mating coaxial connector 20 intersects the center line of the cylindrical insulator 19 of the coaxial connector 10. 5A, there is a possibility that the left end of the tip of the metal housing 21 of the mating connector plug 200 collides with the tip 190 of the cylindrical insulator 19 of the coaxial connector 10 as shown in FIG. 5A. In the I / O connector configured such that the arrangement of the coaxial connector 10 and the multi-connector receptacle 17 in FIGS. 5A and 5B are interchanged with each other, there is a possibility that the tip right corner of the metal housing 21 collides with the tip 190 of the cylindrical insulator 19. There is.

例えば携帯電話用のＩ／Ｏコネクタの幅は十数ｍｍ程度であり、その筒状絶縁体１９の径はせいぜい２ｍｍ程度と小さいため、横方向の外力が先端部１９０に与えられると筒状絶縁体１９は検出用導体コンタクト１５とともに折り曲げられ、変形する可能性がある。このとき、外部導体シェル１３には外力が与えられず、そのままの形状を維持するので、外部導体シェル１３と筒状絶縁体１９との間が開いてしまう。この状態では、コネクタプラグ２００を正しい姿勢に直しても、環状外部導体２２が筒状絶縁体１９の先端部１９０に衝突してしまい、コネクタの接続ができなくなってしまうことがあり、場合によっては筒状絶縁体１９を破損してしまう。これは、携帯電話用Ｉ／Ｏコネクタの幅が筒状絶縁体１９の先端と金属ハウジング１２の前面との間のクリアランスに比べかなり大きいため、相手コネクタプラグ２００の方向がＩ／Ｏコネクタ１００に対し図５Ａの紙面内で傾いている場合、金属ハウジング２１の左または右先端角部がＩ／Ｏコネクタ１００の金属ハウジング１２の中に深く入り込み、筒状絶縁体１９の先端に接触できるからである。   For example, the width of an I / O connector for a cellular phone is about several tens of millimeters, and the diameter of the cylindrical insulator 19 is as small as 2 mm at most. Therefore, when a lateral external force is applied to the tip portion 190, the cylindrical insulation The body 19 may be bent together with the detection conductor contact 15 and deformed. At this time, no external force is applied to the outer conductor shell 13 and the shape is maintained as it is, so that the gap between the outer conductor shell 13 and the cylindrical insulator 19 is opened. In this state, even if the connector plug 200 is corrected to the correct posture, the annular outer conductor 22 may collide with the distal end portion 190 of the cylindrical insulator 19 and the connector cannot be connected. The cylindrical insulator 19 will be damaged. This is because the width of the I / O connector for mobile phone is considerably larger than the clearance between the tip of the cylindrical insulator 19 and the front surface of the metal housing 12, so that the direction of the mating connector plug 200 is the I / O connector 100. On the other hand, when tilted in the plane of FIG. 5A, the left or right tip corner of the metal housing 21 can penetrate deeply into the metal housing 12 of the I / O connector 100 and contact the tip of the cylindrical insulator 19. is there.

一方、相手コネクタプラグ２００の高さはかなり小さいので、相手コネクタプラグ２００を図５Ａの紙面内でＩ／Ｏコネクタに対し正しい方向に向いていた状態で、紙面と直角な面内で傾けると、金属ハウジング２１の先端上側または下側辺が筒状絶縁体１９の先端部１９０に接触するまで深く進入することはできない。このように、同軸コネクタ１０の周囲の状況によって筒状絶縁体１９の先端部１９０に特定の方向から好ましくない外力が与えられる可能性があり、コネクタの接続不能、あるいはコネクタの破損が生じることがある。
日本国特許出願公開公報No.2003-323949 On the other hand, since the height of the mating connector plug 200 is quite small, if the mating connector plug 200 is tilted in a plane perpendicular to the plane of the drawing with the mating connector plug 200 facing the I / O connector in the plane of FIG. 5A, The metal housing 21 cannot enter deeply until the upper or lower side of the tip of the metal housing 21 contacts the tip 190 of the cylindrical insulator 19. As described above, an undesired external force may be applied to the distal end portion 190 of the cylindrical insulator 19 from a specific direction depending on the situation around the coaxial connector 10, and the connector cannot be connected or the connector may be damaged. is there.
Japanese Patent Application Publication No. 2003-323949

この発明の目的は、同軸コネクタの筒状絶縁体が特定の方向からの外力を受けても変形しにくく、従って破損しにくい同軸コネクタを提供することである。   An object of the present invention is to provide a coaxial connector in which a cylindrical insulator of a coaxial connector is not easily deformed even when an external force is applied from a specific direction, and therefore is not easily damaged.

この発明による同軸コネクタは、
ほぼ直方体の絶縁基部と、
上記絶縁基部の一面から突出して一体形成され、外周部の径が大とされた先端部を有し、先端面に相手同軸コネクタの内部導体ピンが挿入可能な穴が形成された筒状絶縁体と、
上記筒状絶縁体内に配置され、上記穴から挿入される上記内部導体ピンと接触する内部導体コンタクトと、
上記先端部より上記絶縁基部側において上記筒状絶縁体の周面の少なくとも一部領域を覆い、上記絶縁基部に保持された外部導体シェル、
とを含み、
上記外部導体シェルの前端縁および上記筒状絶縁体の上記先端部の後端縁の一方と他方にそれぞれ上記筒状絶縁体の周方向において互いに係合する突起と切り欠きが形成されていることを特徴とする。 The coaxial connector according to the present invention is
A substantially rectangular parallelepiped insulating base;
A cylindrical insulator that has a tip portion that protrudes from one surface of the insulating base and is integrally formed, and has a distal end portion with a large outer diameter, and a hole into which the inner conductor pin of the counterpart coaxial connector can be inserted. When,
An inner conductor contact disposed in the cylindrical insulator and in contact with the inner conductor pin inserted from the hole;
An outer conductor shell that covers at least a part of the peripheral surface of the cylindrical insulator on the insulating base side from the tip, and is held by the insulating base;
Including
Protrusions and cutouts that engage with each other in the circumferential direction of the cylindrical insulator are formed on one and the other of the front end edge of the outer conductor shell and the rear end edge of the front end of the cylindrical insulator. It is characterized by.

このように、この発明によれば、筒状絶縁体を覆う外部導体シェルの先端部に形成した切り欠きと、筒状絶縁体に形成した突起とが周方向で係合するので、筒状絶縁体に外力が与えられた場合に外部導体シェルが筒状絶縁体から変形離脱することが生じにくい。   Thus, according to the present invention, the notch formed at the tip of the outer conductor shell covering the cylindrical insulator and the protrusion formed on the cylindrical insulator are engaged in the circumferential direction. When an external force is applied to the body, the outer conductor shell is unlikely to be deformed and detached from the cylindrical insulator.

この発明による同軸コネクタの実施例を図１Ａ，１Ｂ，１Ｃ、および図２を参照して説明する。図１Ａは同軸コネクタを上から視た図、図１Ｂは同軸コネクタを前方から視た図、図１Ｃは図１Ａの線Ｃ−Ｃに沿った断面を示す図である。図２は同軸コネクタの斜視図である。実施例において、図５Ａ，５Ｂの従来例における参照符号と共通する参照符号は互いに共通する部材を示す。
図１Ａ，１Ｂ，１Ｃおよび図２により図示説明される同軸コネクタ１０は図示されない相手側の同軸コネクタと相互に嵌合、離脱することができる同軸コネクタの一方を示す。 An embodiment of a coaxial connector according to the present invention will be described with reference to FIGS. 1A, 1B, 1C and FIG. 1A is a view of the coaxial connector as viewed from above, FIG. 1B is a view of the coaxial connector as viewed from the front, and FIG. 1C is a view showing a cross section taken along line CC in FIG. 1A. FIG. 2 is a perspective view of the coaxial connector. In the embodiment, reference numerals common to those in the conventional example of FIGS. 5A and 5B indicate members common to each other.
A coaxial connector 10 illustrated and described with reference to FIGS. 1A, 1B, 1C, and 2 shows one of coaxial connectors that can be fitted to and removed from the other coaxial connector (not shown).

この実施例においても、筒状絶縁体１９がほぼ直方体の絶縁基部１８の一面から垂直に突出するように一体に形成されている。筒状絶縁体１９の先端部１９０は径が大とされ、筒状絶縁体１９の直径方向に対向する上下側面は平面とされている。外部導体シェル１３は、筒状絶縁体の先端部１９０より絶縁基部１８側において周面を少なくとも９０°以上、３００°以下の範囲にわたって部分的に覆っている。この実施例においては、外部導体シェル１３は、筒状絶縁体１９の曲面を覆う曲面部１３ｂと、上記平面を覆う平面部１３ａとを有している。   Also in this embodiment, the cylindrical insulator 19 is integrally formed so as to protrude vertically from one surface of the substantially rectangular parallelepiped insulating base 18. The distal end portion 190 of the cylindrical insulator 19 has a large diameter, and the upper and lower sides facing the diameter direction of the cylindrical insulator 19 are flat. The outer conductor shell 13 partially covers the circumferential surface over a range of at least 90 ° and not more than 300 ° on the insulating base 18 side from the distal end portion 190 of the cylindrical insulator. In this embodiment, the outer conductor shell 13 has a curved surface portion 13b that covers the curved surface of the cylindrical insulator 19, and a flat surface portion 13a that covers the flat surface.

筒状絶縁体１９の円周面を成す一側面に筒状絶縁体１９の先端部１９０の後端から絶縁基部１８内に延びる検出用導体コンタクト１５が設けられている。検出用導体コンタクト１５により相手同軸コネクタとの嵌合、離脱状態を検出することができる。筒状絶縁体１９の周面の、上記外部導体シェル１３と検出用導体コンタクト１５により覆われている領域以外は露出部１９１を形成している。外部導体シェル１３及び検出用導体コンタクト１５は絶縁基部１８内で固定保持され更にその後端が図１Ｂにおいて下方に延長されて絶縁基部１８から突出した外部導体端子１３ｃ及び検出導体端子１５ｃとされている。   A detection conductor contact 15 extending from the rear end of the distal end portion 190 of the cylindrical insulator 19 into the insulating base 18 is provided on one side surface forming the circumferential surface of the cylindrical insulator 19. The detection conductor contact 15 can detect the fitting / detaching state of the mating coaxial connector. Exposed areas 191 are formed in areas other than the area covered by the outer conductor shell 13 and the detection conductor contact 15 on the peripheral surface of the cylindrical insulator 19. The outer conductor shell 13 and the detection conductor contact 15 are fixedly held in the insulating base 18, and the rear ends thereof are extended downward in FIG. 1B to form the outer conductor terminal 13c and the detection conductor terminal 15c protruding from the insulating base 18. .

１９２は筒状絶縁体に形成された突起である。筒状絶縁体１９の先端部１９０の外径は上述した通り筒状絶縁体１９本体の外径と比較して外部導体シェル１３の厚さ分程度だけ大きい。先端部１９０の後端周縁部には、外部導体シェル１３の厚さ程度の厚さの突起１９２が後向きに延伸して一体成型で構成されている。筒状絶縁体１９を包囲している外部導体シェル１３の先端部の一部に突起１９２が進入するする切り欠き１３１を形成している。同軸コネクタ１０が組み立てられた暁において、突起１９２は切り欠き１３１に進入して両者は相互に係合した状態にある。   Reference numeral 192 denotes a protrusion formed on the cylindrical insulator. As described above, the outer diameter of the distal end portion 190 of the cylindrical insulator 19 is larger by about the thickness of the outer conductor shell 13 than the outer diameter of the main body of the cylindrical insulator 19. A protrusion 192 having a thickness approximately equal to the thickness of the outer conductor shell 13 extends rearward on the peripheral edge portion of the front end portion 190 and is integrally formed. A notch 131 into which the protrusion 192 enters is formed at a part of the tip of the outer conductor shell 13 surrounding the cylindrical insulator 19. In the bag in which the coaxial connector 10 is assembled, the protrusion 192 enters the notch 131 and is in a state of being engaged with each other.

このように、筒状絶縁体１９の突起１９２が外部導体シェル１３の切り欠き１３１内に進入しているので、図１Ａにおいて筒状絶縁体１９の先端部１９０の左角部に右側方向への外力が加わった場合、切り欠き１３１の側縁が突起１９２の側縁と係合して外力を受けるので、筒状絶縁体１９は外部導体シェル１３により左からの外力に対し補強されることになる。しかも、図１Ａ，１Ｂ，１Ｃ，２の実施例では外部導体シェル１３は筒状絶縁体１９の左側面を覆う曲面部１３ｂと、上側平面を覆う平面部１３ａとから成る断面がほぼＬ字状の部材となっているため、外力に対し曲がりにくく、筒状絶縁体１９に対する補強効果が大である。もちろん、筒状絶縁体１９の先端部１９０に右側から外力が加えられた場合にも外部導体シェル１３により筒状絶縁体１９は支持され、変形されにくいことは明らかである。   Thus, since the protrusion 192 of the cylindrical insulator 19 has entered the notch 131 of the outer conductor shell 13, in FIG. 1A, the left corner of the distal end portion 190 of the cylindrical insulator 19 extends to the right. When an external force is applied, the side edge of the notch 131 engages with the side edge of the protrusion 192 and receives an external force, so that the cylindrical insulator 19 is reinforced by the external conductor shell 13 against the external force from the left. Become. Moreover, in the embodiment of FIGS. 1A, 1B, 1C and 2, the outer conductor shell 13 has a substantially L-shaped cross section comprising a curved surface portion 13b covering the left side surface of the cylindrical insulator 19 and a flat surface portion 13a covering the upper side surface. Therefore, it is difficult to bend against an external force, and the reinforcing effect on the cylindrical insulator 19 is great. Of course, it is obvious that the cylindrical insulator 19 is supported by the outer conductor shell 13 even when an external force is applied to the distal end portion 190 of the cylindrical insulator 19 from the right side and is not easily deformed.

図１Ａ，１Ｂ，１Ｃおよび図２の実施例においては、筒状絶縁体１９に先端部１９０から延びる突起１９２を形成し、外部導体シェル１３に切り欠き１３１を形成する場合を説明したが、外部導体シェル１３の先端に前方に突出する突起を形成し、筒状絶縁体の先端部１９０の後端縁に切り欠きを設けてもよい。要するに、外部導体シェル１３と筒状絶縁体１９の先端部１９０の一方に突起を、他方に切り欠きを形成し、突起と切り欠きが筒状絶縁体１９の周方向において互いに係合すればよい。
図３はこの発明の変形実施例を示す。この変形実施例では、外部導体シェル１３を筒状絶縁体１９の下側平面も覆うように延長させてもう１つの平面部１３ｄを形成しており、この下側平面においても外部導体シェル１３と筒状絶縁体１９の先端部１９０の一方に突起を、他方に切り欠きを形成して互いに係合させている。従って、この変形実施例では外部導体シェル１３の断面はＵ字状であり、図１Ａ，１Ｂ，１Ｃにおける断面がほぼＬ字状の外部導体シェル１３よりも外力に対し頑強なため、筒状絶縁体１９に対しいっそう強固な補強が可能となる。しかも、この変形実施例では筒状絶縁体１９の先端部１９０に対し、左、右、上、下のいずれの方向の外力に対しても補強効果がある。その他の部分の構成は図１Ａ，１Ｂ，１Ｃの実施例と同様である。 In the embodiment of FIGS. 1A, 1B, 1C and FIG. 2, the case where the projection 192 extending from the tip 190 is formed on the cylindrical insulator 19 and the notch 131 is formed on the external conductor shell 13 has been described. A protrusion projecting forward may be formed at the tip of the conductor shell 13, and a notch may be provided in the rear end edge of the tip portion 190 of the cylindrical insulator. In short, a protrusion is formed on one of the outer conductor shell 13 and the tip 190 of the cylindrical insulator 19, and a notch is formed on the other, and the protrusion and the notch engage with each other in the circumferential direction of the cylindrical insulator 19. .
FIG. 3 shows a modified embodiment of the present invention. In this modified embodiment, the outer conductor shell 13 is extended so as to cover the lower plane of the cylindrical insulator 19 to form another plane portion 13d, and the outer conductor shell 13 is also formed on this lower plane. A protrusion is formed on one end of the distal end portion 190 of the cylindrical insulator 19 and a notch is formed on the other to engage with each other. Therefore, in this modified embodiment, the outer conductor shell 13 has a U-shaped cross section, and the cross section in FIGS. 1A, 1B, and 1C is more robust against external force than the outer conductor shell 13 having a substantially L shape. Further strengthening of the body 19 is possible. Moreover, in this modified embodiment, the distal end portion 190 of the cylindrical insulator 19 has a reinforcing effect against the external force in any of the left, right, upper, and lower directions. The structure of other parts is the same as that of the embodiment of FIGS. 1A, 1B, and 1C.

図４は図１Ａ，１Ｂ，１Ｃに示したこの発明の同軸コネクタを図５Ａ，５Ｂに示したＩ／Ｏコネクタ１００の同軸コネクタ１０に適用した場合のＩ／Ｏコネクタ１００の分解斜視図を示す。絶縁基部１８はほぼ直方体であり、その一面から垂直に筒状絶縁体１９と板状コンタクトホルダ１６が絶縁基部１８の長さ方向に間隔をおいて突出形成されている。筒状絶縁体１９と、それに装着される内部導体コンタクト１１、外部導体シェル１３及び検出用導体コンタクト１５の構成は図１Ａ，１Ｂ，１Ｃの実施例と同様である。
内部導体コンタクト１１、外部導体シェル１３、検出用導体コンタクト１５は絶縁基部１８の背面から図示してないスリットを通して挿入され、筒状絶縁体１９の内部及び周面に装着される。マルチコネクタ用コンタクト１４は絶縁基部１８の背面から図示してないスリットを通して挿入され、板状コンタクトホルダ１６の一面に配列形成された溝１６ｇに装着される。 4 shows an exploded perspective view of the I / O connector 100 when the coaxial connector of the present invention shown in FIGS. 1A, 1B and 1C is applied to the coaxial connector 10 of the I / O connector 100 shown in FIGS. 5A and 5B. . The insulating base 18 is substantially a rectangular parallelepiped, and a cylindrical insulator 19 and a plate-shaped contact holder 16 are formed so as to protrude vertically from one surface of the insulating base 18 with an interval in the length direction of the insulating base 18. The configurations of the cylindrical insulator 19, and the inner conductor contact 11, the outer conductor shell 13, and the detection conductor contact 15 attached thereto are the same as those in the embodiment of FIGS. 1A, 1B, and 1C.
The inner conductor contact 11, the outer conductor shell 13, and the detection conductor contact 15 are inserted from the back surface of the insulating base 18 through a slit (not shown), and are attached to the inside and the peripheral surface of the cylindrical insulator 19. The multi-connector contact 14 is inserted from the back surface of the insulating base 18 through a slit (not shown), and is mounted in a groove 16 g arranged on one surface of the plate-like contact holder 16.

金属ハウジング１２は金属板をプレスにより打ち抜き、折り曲げ加工して、前面と背面に開口を有する箱状に形成されている。この金属ハウジング１２の背面開口から、コンタクト１１，１５，１４及び外部導体シェル１３が装着された絶縁基部１８が挿入固定される。筒状絶縁体１９及び板状コンタクトホルダ１６の前端は金属ハウジング１２の前面開口より背後に位置している。図４のＩ／Ｏコネクタ全体を、金属ハウジング１２が設けられた同軸コネクタと見ることもできる。
前述の説明から明らかなように、金属ハウジング１２内の筒状絶縁体１９の先端部１９０に対して相手プラグの金属ハウジングの角部がぶつかり、右方向または左方向の外力が与えられる可能性があるが、この発明の同軸コネクタによれば、筒状絶縁体１９が外部導体シェル１３により補強されているので、外力が与えられても変形しにくい。 The metal housing 12 is formed in a box shape having openings on the front and back surfaces by punching and bending a metal plate with a press. From the rear opening of the metal housing 12, the insulating base 18 to which the contacts 11, 15, 14 and the outer conductor shell 13 are attached is inserted and fixed. The front ends of the cylindrical insulator 19 and the plate contact holder 16 are located behind the front opening of the metal housing 12. The entire I / O connector of FIG. 4 can also be viewed as a coaxial connector provided with a metal housing 12.
As is clear from the above description, there is a possibility that a corner of the metal housing of the mating plug collides with the tip 190 of the cylindrical insulator 19 in the metal housing 12 and an external force in the right or left direction is applied. However, according to the coaxial connector of the present invention, since the cylindrical insulator 19 is reinforced by the external conductor shell 13, it is difficult to be deformed even when an external force is applied.

上述したこの発明による同軸コネクタの各実施例において、外部導体シェル１３及び検出用導体コンタクト１５の形状はそのままとし、それぞれを逆に検出用導体コンタクト及び外部導体シェルとして機能させるように同軸コネクタを構成してもよい。   In each of the above-described embodiments of the coaxial connector according to the present invention, the shape of the outer conductor shell 13 and the detection conductor contact 15 is left as it is, and the coaxial connector is configured to function as the detection conductor contact and the outer conductor shell on the contrary. May be.

この発明の実施例を説明するための図であり、Ａは平面図、Ｂは正面図、Ｃは部分断面図である。It is a figure for demonstrating the Example of this invention, A is a top view, B is a front view, C is a fragmentary sectional view. この発明の実施例の斜視図。The perspective view of the Example of this invention. この発明の変形実施例を示す部分断面図。The fragmentary sectional view which shows the deformation | transformation Example of this invention. この発明による同軸コネクタを用いたＩ／Ｏコネクタの分解斜視図。The disassembled perspective view of the I / O connector using the coaxial connector by this invention. 従来例を説明するためのＩ／Ｏコネクタの図であり、Ａは部分分解図、Ｂは正面図である。It is a figure of the I / O connector for demonstrating a prior art example, A is a partial exploded view, B is a front view.

Claims (7)

ほぼ直方体の絶縁基部と、
上記絶縁基部の一面から突出して一体形成され、外周部の径が大とされた先端部を有し、先端面に相手同軸コネクタの内部導体ピンが挿入可能な穴が形成された筒状絶縁体と、
上記筒状絶縁体内に配置され、上記穴から挿入される上記内部導体ピンと接触する内部導体コンタクトと、
上記先端部より上記絶縁基部側において上記筒状絶縁体の周面の少なくとも一部領域を覆い、上記絶縁基部に保持された外部導体シェル、
とを含む同軸コネクタにおいて、
上記外部導体シェルの前端縁および上記筒状絶縁体の上記先端部の後端縁の一方と他方にそれぞれ上記筒状絶縁体の周方向において互いに係合する突起と切り欠きが形成されていることを特徴とする同軸コネクタ。 A substantially rectangular parallelepiped insulating base;
A cylindrical insulator that has a tip portion that protrudes from one surface of the insulating base and is integrally formed, and has a distal end portion with a large outer diameter, and a hole into which the inner conductor pin of the counterpart coaxial connector can be inserted. When,
An inner conductor contact disposed in the cylindrical insulator and in contact with the inner conductor pin inserted from the hole;
An outer conductor shell that covers at least a part of the peripheral surface of the cylindrical insulator on the insulating base side from the tip, and is held by the insulating base;
In the coaxial connector including
Protrusions and cutouts that engage with each other in the circumferential direction of the cylindrical insulator are formed on one and the other of the front end edge of the outer conductor shell and the rear end edge of the front end of the cylindrical insulator. Coaxial connector characterized by 請求項１記載の同軸コネクタにおいて、上記切り欠きは上記外部導体シェルの前端縁から上記絶縁基部に向かって形成されており、上記突起は上記筒状絶縁体の上記先端部の後端縁から上記絶縁基部に向かって延長して形成され、上記切り欠きに入り込んでいることを特徴とする同軸コネクタ。   2. The coaxial connector according to claim 1, wherein the notch is formed from a front end edge of the outer conductor shell toward the insulating base, and the protrusion is formed from the rear end edge of the tip end portion of the cylindrical insulator. A coaxial connector, wherein the coaxial connector is formed so as to extend toward an insulating base and enters into the notch. 請求項１または２記載の同軸コネクタにおいて、上記筒状絶縁体の少なくとも一側面には平面が形成されており、上記外部導体シェルは上記筒状絶縁体の円周面の一部を覆う曲面部と上記平面を覆う平面部とを有していることを特徴とする同軸コネクタ。   3. The coaxial connector according to claim 1, wherein a flat surface is formed on at least one side surface of the cylindrical insulator, and the outer conductor shell is a curved surface portion that covers a part of a circumferential surface of the cylindrical insulator. And a flat portion covering the flat surface. 請求項３記載の同軸コネクタにおいて、上記筒状絶縁体の周面には、上記平面と対向して第２の平面が形成されており、上記外部導体シェルは上記先端部より上記絶縁基部側において上記第２の平面を覆うように延長されていることを特徴とする同軸コネクタ。   4. The coaxial connector according to claim 3, wherein a second flat surface is formed on the peripheral surface of the cylindrical insulator so as to face the flat surface, and the outer conductor shell is located closer to the insulating base than the tip portion. A coaxial connector extended to cover the second plane. 請求項１記載の同軸コネクタにおいて、上記筒状絶縁体の周面には、上記外部導体シェルの一部と直径方向に対向して上記先端部の上記絶縁基部側の端縁から上記絶縁基部に向けて延長された検出用導体コンタクトが設けられていることを特徴とする同軸コネクタ。   2. The coaxial connector according to claim 1, wherein a peripheral surface of the cylindrical insulator is opposed to a part of the outer conductor shell in a diametrical direction from an edge of the distal end portion on the insulating base side to the insulating base portion. A coaxial connector, characterized in that a detection conductor contact extended toward the surface is provided. 請求項１記載の同軸コネクタにおいて、上記外部導体シェルは、上記筒状絶縁体の周面を少なくとも９０°以上、３００°以下にわたって覆っていることを特徴とする同軸コネクタ。   2. The coaxial connector according to claim 1, wherein the outer conductor shell covers the circumferential surface of the cylindrical insulator over at least 90 ° to 300 °. 3. 請求項１乃至６のいずれか記載の同軸コネクタにおいて、上記絶縁基部と上記筒状絶縁体を囲み、相手コネクタプラグを受け入れる前面開口を上記筒状絶縁体の先端より前方に有するほぼ箱状の金属ハウジングを更に含むことを特徴とする同軸コネクタ。   The coaxial connector according to any one of claims 1 to 6, wherein the metal base is a substantially box-shaped metal that surrounds the insulating base and the cylindrical insulator and has a front opening for receiving a mating connector plug in front of the tip of the cylindrical insulator. A coaxial connector further comprising a housing.
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JP2018170177A (en) * 2017-03-30 2018-11-01 株式会社村田製作所 Coaxial connector

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DE602005003094T2 (en) 2008-08-14
DE602005003094D1 (en) 2007-12-13
JP4616760B2 (en) 2011-01-19
EP1672749B1 (en) 2007-10-31

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