EP0613215B1 - Right angle coaxial connector, particularly for mounting on a P.C.B. - Google Patents

Right angle coaxial connector, particularly for mounting on a P.C.B. Download PDF

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Publication number
EP0613215B1
EP0613215B1 EP19940400354 EP94400354A EP0613215B1 EP 0613215 B1 EP0613215 B1 EP 0613215B1 EP 19940400354 EP19940400354 EP 19940400354 EP 94400354 A EP94400354 A EP 94400354A EP 0613215 B1 EP0613215 B1 EP 0613215B1
Authority
EP
European Patent Office
Prior art keywords
right angled
coaxial connector
connector element
fact
characterized
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP19940400354
Other languages
German (de)
French (fr)
Other versions
EP0613215A1 (en
Inventor
Georges Cartesse
Jacky Bouleau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Radiall
Radiall SA
Original Assignee
Radiall
Radiall SA
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
Priority to FR9302244A priority Critical patent/FR2702095B1/en
Priority to FR9302244 priority
Application filed by Radiall, Radiall SA filed Critical Radiall
Publication of EP0613215A1 publication Critical patent/EP0613215A1/en
Application granted granted Critical
Publication of EP0613215B1 publication Critical patent/EP0613215B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40Two-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
    • H01R24/50Two-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 on a PCB [Printed Circuit Board]
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00Two poles

Description

  • The present invention relates to a bent coaxial connector element capable of being fixed to a printed circuit board.
  • Coaxial connectors are already known which make it possible to electrically connect two printed boards arranged perpendicularly to one another.
  • The Applicant has already described such a coaxial connector in FR-A-2,685,553.
  • This connector comprises a straight element as well as a bent element, which is provided, on one of its faces, with pins for its connection to a first printed circuit board and, on a face perpendicular to the first, of coaxial contacts suitable for cooperate with coaxial contacts of the straight element which is connected to a second printed card arranged perpendicular to the first printed card.
  • The bent element is generally connected to the first printed card by plugging and soldering with tin-lead of its pins in corresponding orifices made on said card.
  • In certain cases, the bent element has, as pins, force-insertable contacts.
  • These contacts comprise an elastic central part which has an outer section greater than the section for passage of the orifices provided on the card.
  • The mounting on the printed card of a connector element provided with force-insertable contacts is carried out by exerting a significant force (of the order of 30 to 100 Newtons) by contact on its face opposite to the card, so force the contacts inside the holes.
  • Once attached to the circuit board, the connector element exhibits good mechanical strength.
  • However, in practice there is an insufficiency in the electrical transmission properties, due to a certain mismatch of impedance.
  • The present invention aims to provide a bent element of coaxial connector avoiding in particular this drawback.
  • The present invention relates to a bent coaxial connector element of the type comprising a substantially parallelepipedic conductive body, at least one bent conductive rod, one end of which is connected to a pin projecting from one of the faces of said body and the other of which end is connected to the central conductor of a coaxial contact, projecting from another face of said body and perpendicular to the pin, the angled conductive rod being held by an insulator inside an internal L-shaped conduit produced in the body, characterized in that said insulator has a narrowing in section defining an air layer around at least part of the straight branch of said rod.
  • This narrowing of the section makes it possible to provide an annular space filled with air around at least part of the rectilinear branches of the insulation, which makes it possible to suitably adjust the impedance of the electrical line formed by the bent conductive rod.
  • Preferably, the insulator comprises, in the vicinity of the bent part of the bent conductive rod, surfaces bearing against the inner wall of the L-shaped internal conduit.
  • Advantageously, the insulator also comprises, at the ends of the bent conductive rod, surfaces bearing on the one hand against the internal wall of the L-shaped internal conduit, on the other hand against the internal wall of the external sleeve of the coaxial contact .
  • Thanks to such an insulator, pressure can be exerted on the connector element without damaging it, the force resulting from this pressure being exerted, through the wall of the body of the connector element, on the bent conductive rod. , which transmits this force to the projecting pins penetrating into the orifices provided for this purpose on the circuit board.
  • Thus, force-insertable contacts can be used as pins allowing the connection of the elbow connector element on the printed circuit board.
  • In a preferred embodiment of the invention, the body of the elbow element of the coaxial connector is produced in two parts which fit into one another, the main plane of separation of these two parts passing substantially through the axes of the two branches of the bent conductive rod.
  • Thanks to such an arrangement, the angled conductive rod provided with its insulator can be easily inserted inside the body of the connector element according to the invention, before assembly of the two parts of which it is made.
  • In order to better understand the invention, we will now describe an embodiment given by way of example without any limiting character, with reference to the accompanying drawing in which:
    • FIG. 1 is a partial section view of a coaxial connector comprising an elbow element according to the invention and a straight element,
    • FIG. 2 is a bottom view of FIG. 1,
    • FIG. 3 is a sectional view along III-III of FIG. 1,
    • FIG. 4 is a sectional view along IV-IV of FIG. 1,
    • FIG. 5 is a sectional view along VV of FIG. 1,
    • FIG. 6 is a partial sectional view along VI-VI of FIG. 1, and
    • Figure 7 is a sectional view along VII-VII of Figure 1.
  • In the drawing, a coaxial connector is shown comprising a bent element, generally designated by 1, and a straight element, generally designated by 2.
  • In the embodiment shown, the bent element is mounted on a first printed card 3, called the daughter card, while the straight element 2 is mounted on a second printed card 4, called the mother card.
  • By axial approximation of the two connector elements 1 and 2 in their position shown in FIG. 1, the daughter card 3 is connected to the mother board 4.
  • The bent element 1 comprises a body of substantially parallelepiped shape 5, preferably made of a metallic material such as a light zinc-aluminum alloy, by example the alloy known as Zamak® which consists of 96% zinc and 4% aluminum.
  • The parallelepipedic body 5 has two L-shaped conduits 6 and 7 internally, which open onto two orthogonal faces 5 a and 5 b of the body 5.
  • The axes of the two conduits 6 and 7 lie in the same plane which is substantially a median plane of the body 5.
  • The bottom face 5 a and the front face 5 b are designated.
  • Two angled conductive rods 8 and 9 are housed in the L-shaped conduits 6 and 7 and connect contact pins 10, 11 projecting from the underside 5 a to central conductors 12, 13 of coaxial contacts 14, 15 in projection of the front face 5 b .
  • The axes of the angled conductive rods 8 and 9 are located in the median plane containing the axes of the conduits 6 and 7.
  • In the embodiment shown, the contact pins 10 and 11 are of the force-insertable type, that is to say that they are elastically deformable radially. Their section has dimensions slightly greater than those of orifices 16, 17, formed in the printed card 3, and in which said contact pins 10, 11 are intended to be introduced.
  • Each orifice 16, 17 includes a metallization ensuring electrical contact between the printed circuits of the card 3 and the contact pins 10, 11.
  • According to the invention, each bent conductive rod 8, 9 is provided with an insulator 18, 19 which has surfaces 18 a and 19 a resting against the inner wall of the corresponding conduit 6, 7 in an L shape, in particular at near the bent part of said conductive rod.
  • By means of the insulator 18, 19, pressure can be exerted on the body 5 in the direction indicated by the arrow F, in order to force the contact pins 10, 11 into the metallized holes 16, 17.
  • The absence of play in the vicinity of the elbows of the bent conductive rods 8, 9 prevents any deformation of the parts component of the elbow connector element 1, and consequently any degradation thereof.
  • According to the invention, to produce the insulator 18, 19, materials having good dielectric characteristics at high frequencies are used, for example a polyetherimide such as that known under the name of ULTEM, or a copolymer of ethylene and monochlorotrifluoroethylene , such as the one known as HALAR.
  • To suitably adjust, for example to 50 ohms, the impedance of the electric line formed by each bent conductive rod 8, 9, it is advantageous to free up a space around the insulation 18, 19 so as to create an annular layer d 'air 18', 19 'around at least part of the straight branches of each rod.
  • For this purpose, the insulators 18 and 19 include a narrowing of section in their current parts.
  • On the other hand, at the ends of the angled conductive rods 8 and 9, the insulator has surfaces 18 b , 19 b ; 18 c , 19 c in abutment, on the one hand, against the L-shaped conduit 6,7 on the side of the daughter card 3, and on the other hand, against the external sleeve of the coaxial contact 14, 15 on the side of the motherboard 4.
  • The bent element 1 comprises in the illustrated example six ground contact pins 20 also inserted by force into the circuit board 3.
  • The contact pins 20 each have a V-shaped section, visible in the bottom view of FIG. 2. Each ground contact pin 20 is a cut and bent part of a common ground plate 21, the U-section of which is visible in Figures 6 and 7.
  • In Figure 6, the insulator 18 is shown full.
  • In the embodiment shown, the parallelepiped body 5 of the bent element 1 is produced in two parts 22 and 23 which are clearly visible in the sectional views of FIGS. 3 to 7.
  • In the assembled state of the body 5, the parts 22 and 23 are assembled essentially at the level of the plane containing the axes of the two conduits 6 and 7 in an L shape.
  • The part 22 extends over the entire length of the parallelepiped body 5 and comprises, on the side of the front face 5 b of said body, a return 22 a to which the coaxial contacts 14 and 15 are subjected.
  • The parts 22, 23 each have two semi-cylindrical grooves bent on their opposite faces, these two grooves constitute the conduits 6 and 7 in the form of L of the parallelepiped body 5, when the two parts 22, 23 are joined.
  • It is clearly seen, in particular in FIGS. 5 and 6, that the section of the insulators 18 and 19 coincides with that of the conduits 6 and 7 at the bent parts of the conductive rods 8 and 9.
  • The assembly of the elbow element 1 is carried out as follows.
  • First place the angled conductive rods 8 and 9 overmolded with their insulators 18 and 19 in the corresponding grooves of the parts 22 and 23.
  • These parts are then assembled together.
  • Part 22 therefore has four outwardly flared orifices 24 into which studs 25 integral with part 23 penetrate.
  • After assembly of the two parts 22 and 23, each stud 25 is riveted, its end thus flattened being retained in the flared mouth of the orifice 24.
  • The external sleeves of the coaxial contacts 14 and 15 are then forcibly inserted into the orifices 26 provided for this purpose on the face 5b of the part 22.
  • For security, these sleeves are held in position by crimping the portion 22 around a groove 26 is provided on each sleeve, as seen clearly in Figure 4.
  • Finally, the ground plate 21 is fixed by riveting to the lower face 5 a of the body 5, which has studs 27 penetrating into orifices 28 in the plate 21.
  • In this way, an elbow element of coaxial connector is produced in a particularly simple manner which is capable of comprising contacts which can be inserted by force as pins for connection to a printed circuit board.
  • It is understood that the embodiment which has just been described has no limiting character.

Claims (7)

  1. A right angled coaxial connector element (1) of the type comprising a generally parallelepipedal conductive body (5), at least one right angled conducting rod (8,9), of which one end is connected to a pin (10,11) projecting from one of the faces of said body and of which the other end is connected to the central conductor (12,13) of a coaxial plug (14,15) projecting from another face of said body and perpendicular to the pin (10,11), the right angled conducting rod (8,9) being held by an insulator (18,19) within an L-shaped internal channel formed in the body, characterized by the fact that said insulator (18,19) includes a narrowing in cross section defining an air cushion (18',19') around at least part of the rectilinear arm of said rod (8,9).
  2. A right angled coaxial connector element according to claim 1, characterized by the fact that said insulator (18,19) comprises, in the neighbourhood of the right angled part of the conducting rod (8,9), surfaces (18a,19a) in contact with the inner wall of the L-shaped internal channel (6,7).
  3. A right angled coaxial connector element according to claim 1 or claim 2, characterized by the fact that said conductor (18,19) comprises, at the ends of the right angled conducting rod (8,9), surfaces (18b,19b; 18c,19c) in contact on the one hand with the inner wall of the L-shaped internal channel (6,7) and on the other hand with the inner wall of the external sleeve of the coaxial plug (14,15).
  4. A right angled coaxial connector element according to any one of claims 1 to 3, characterized by the fact that it comprises push fit connectors (10,11) as pins permitting its engagement with a printed circuit board (3).
  5. A right angled coaxial connector element according to any one of claims 1 to 4, characterized by the fact that the generally parallelepipedal conductive body (5) is formed in two parts (22,23) assembled on a plane containing the axes of the two arms of the right angled conducting rod (8,9).
  6. A right angled coaxial connector element according to claim 5, characterized by the fact that the two parts (22,23) are held together by the riveting of plugs (25) integral with one of said parts (23) inside holes (24) formed in the other part (22).
  7. A right angled coaxial connector element according to any one of claims 1 to 6, characterized by the fact that it comprises a ground plate (21) riveted to the lower wall (5a) of the parallelepipedal body (5).
EP19940400354 1993-02-26 1994-02-18 Right angle coaxial connector, particularly for mounting on a P.C.B. Expired - Lifetime EP0613215B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9302244A FR2702095B1 (en) 1993-02-26 1993-02-26 Angled coaxial connector element capable of being fixed to a printed circuit board.
FR9302244 1993-02-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95115621A EP0692845B1 (en) 1993-02-26 1994-02-18 Right angle coaxial connector for mounting on P.C.B.

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP95115621.5 Division-Into 1994-02-18

Publications (2)

Publication Number Publication Date
EP0613215A1 EP0613215A1 (en) 1994-08-31
EP0613215B1 true EP0613215B1 (en) 1996-04-17

Family

ID=9444467

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19940400354 Expired - Lifetime EP0613215B1 (en) 1993-02-26 1994-02-18 Right angle coaxial connector, particularly for mounting on a P.C.B.
EP95115621A Expired - Lifetime EP0692845B1 (en) 1993-02-26 1994-02-18 Right angle coaxial connector for mounting on P.C.B.

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP95115621A Expired - Lifetime EP0692845B1 (en) 1993-02-26 1994-02-18 Right angle coaxial connector for mounting on P.C.B.

Country Status (5)

Country Link
US (1) US5516307A (en)
EP (2) EP0613215B1 (en)
JP (1) JP3454560B2 (en)
DE (2) DE69400143T2 (en)
FR (1) FR2702095B1 (en)

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GB9420935D0 (en) * 1994-10-17 1994-11-30 Amp Gmbh Multi-position coaxial cable connector
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DE4438872C1 (en) 1994-11-03 1995-12-07 Harting Elektronik Gmbh Coaxial angle connector for PCB
US5842872A (en) * 1995-06-30 1998-12-01 The Whitaker Corporation Modular right angle board mountable coaxial connector
FR2746971B1 (en) * 1996-04-01 1998-04-30 Framatome Connectors France Miniature shielded connector with bended contact rods
FR2748862B1 (en) * 1996-05-17 1998-07-17 Radiall Sa Device for connecting a coaxial cable to a printed circuit board
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US6079986A (en) * 1998-02-07 2000-06-27 Berg Technology, Inc. Stacking coaxial connector for three printed circuit boards
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US6305947B1 (en) 1998-11-19 2001-10-23 Berg Technology, Inc. Angled coaxial connector module
DE19942579A1 (en) * 1999-09-07 2001-03-08 Harting Kgaa Coaxial connector
US6231355B1 (en) * 1999-12-17 2001-05-15 Hon Hai Precision Ind. Co., Ltd. Matched impedance connector having retention device on a grounding plane
US6224421B1 (en) 2000-02-29 2001-05-01 Palco Connector, Inc. Multi-part connector
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US6575761B1 (en) 2000-08-30 2003-06-10 Molex Incorporated Coaxial connector module and method of fabricating same
US6719586B2 (en) * 2002-02-12 2004-04-13 Tyco Electronics Corporation Electrical connector with anti-tip feature to prevent tipping during assembly
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US6905367B2 (en) 2002-07-16 2005-06-14 Silicon Bandwidth, Inc. Modular coaxial electrical interconnect system having a modular frame and electrically shielded signal paths and a method of making the same
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US6932614B1 (en) * 2004-04-13 2005-08-23 Shin-Nan Kan Socket with double functions
US7121883B1 (en) * 2005-06-06 2006-10-17 John Mezzalingua Associates, Inc. Coax connector having steering insulator
US7473137B2 (en) * 2007-03-30 2009-01-06 Intel Corporation Right-angle coaxial connector
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Also Published As

Publication number Publication date
EP0692845B1 (en) 1997-03-19
EP0692845A1 (en) 1996-01-17
DE69402187D1 (en) 1997-04-24
FR2702095A1 (en) 1994-09-02
FR2702095B1 (en) 1995-04-14
EP0613215A1 (en) 1994-08-31
JPH076831A (en) 1995-01-10
DE69402187T2 (en) 1997-10-09
DE69400143D1 (en) 1996-05-23
DE69400143T2 (en) 1996-11-28
US5516307A (en) 1996-05-14
JP3454560B2 (en) 2003-10-06

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