EP0988669A1 - Connecteur enfichable zero force d'insertion destine a une carte de circuits imprimes - Google Patents

Connecteur enfichable zero force d'insertion destine a une carte de circuits imprimes

Info

Publication number
EP0988669A1
EP0988669A1 EP98934757A EP98934757A EP0988669A1 EP 0988669 A1 EP0988669 A1 EP 0988669A1 EP 98934757 A EP98934757 A EP 98934757A EP 98934757 A EP98934757 A EP 98934757A EP 0988669 A1 EP0988669 A1 EP 0988669A1
Authority
EP
European Patent Office
Prior art keywords
circuit board
zero
actuator
force connector
force
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.)
Granted
Application number
EP98934757A
Other languages
German (de)
English (en)
Other versions
EP0988669B1 (fr
Inventor
Jacques Longueville
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.)
TE Connectivity Solutions GmbH
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0988669A1 publication Critical patent/EP0988669A1/fr
Application granted granted Critical
Publication of EP0988669B1 publication Critical patent/EP0988669B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/82—Coupling devices connected with low or zero insertion force
    • H01R12/85—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures
    • H01R12/88—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures acting manually by rotating or pivoting connector housing parts

Definitions

  • the present invention relates to a device according to the preamble of claim 1, i.e. a circuit board zero-force connector with an actuating element, by the actuation of which the circuit board zero-force connector can be brought from an assembly position that allows the insertion or removal of a circuit board into a connection position that correctly contacts the circuit board and / or vice versa.
  • Printed circuit board zero force connectors are used to connect two printed circuit boards electrically and mechanically to one another essentially without force; They are used, among other things, to be able to simply and gently plug a first printed circuit board essentially vertically onto a second printed circuit board (for example a so-called rear wall printed circuit board) and to connect them electrically and mechanically firmly and reliably to the latter.
  • PCB zero force connectors have long been known in a variety of forms; a circuit board zero-force connector of the type claimed in the preamble of claim 1 is described, for example, in US Pat. No. 3,130,351.
  • the circuit board zero-force plug connector known from this publication is fixedly mounted on one of the circuit boards to be connected to one another and is designed so that the other of the circuit boards to be connected to one another can be inserted therein. It is constructed in such a way that it can be brought into an assembly position allowing the insertion or removal of a printed circuit board by actuating an actuating element and into the connection position by inserting a printed circuit board.
  • the actuator is a rod that runs parallel to a circuit board guide device, with the aid of which the circuit board to be connected to or connected to the circuit board zero-force plug connector can be guided to or away from the latter.
  • the said rod In order for it to be able to fulfill its purpose, the said rod must protrude so far beyond the printed circuit board inserted into the zero-force plug connector, more precisely beyond the rear edge thereof with respect to the insertion direction, that it (the rod) is always freely accessible and operable . For this reason, it must have a considerable length, which makes it susceptible to damage and deformation. If you wanted to reliably rule out damage and deformation of the rod, you could make it stable. This would make the arrangement disproportionately expensive and unwieldy.
  • the present invention is therefore based on the object of further developing the circuit board zero-force connector in accordance with the preamble of claim 1 such that its actuator is reliably protected against damage and deformation under all circumstances even if the latter is mechanically relatively weak.
  • the actuator is integrated in a circuit board guide device, by means of which the circuit board to be connected to or connected to the circuit board zero-force plug connector can be guided towards or away from the latter.
  • the actuator can thereby be guided directly against parts of the circuit board guide device and / or the circuit board.
  • the actuator thus offers a smaller contact surface for external force act on this, and on the other hand it is laterally supported by the circuit board guide device and / or the circuit board.
  • the integration of the actuator in the circuit board guide device also has the positive effect that the actuator has the (pivoting) mechanism of the circuit board zero force connector, which is required to move the circuit board zero force connector from the mounting position into the connecting position and / or vice versa, reached at a central location, which can be formed symmetrically.
  • a symmetrical structure of the swivel mechanism enables the forces exerted on the actuating element to be partially canceled out and / or asymmetrical loads on the actuating element are avoided, as a result of which the forces acting on the actuating element or at least their negative side effects can be reduced to a minimum.
  • the actuator of the circuit board zero-force connector according to the invention is therefore reliably protected against damage and deformation, even if the latter is mechanically relatively weak.
  • the actuator designed and arranged as claimed, because of its integration into the circuit board guiding device, which is normally present anyway, no longer represents an obstacle to the air flow for cooling the circuit board. This is of considerable importance, in particular in the case of circuit boards plugged onto rear wall circuit boards, because the The printed circuit boards are sometimes so close together that an sufficient cooling is becoming more and more complex and difficult anyway.
  • FIG. 1 shows an exploded view of an arrangement containing the circuit board zero-force plug connector according to the invention
  • Figure 2 is a perspective view of the circuit board guide device containing the actuator
  • FIG. 3 shows the circuit board guide device according to FIG. 2 with the circuit board partially inserted.
  • the circuit board zero-force plug connector described in more detail below is designed to electrically and mechanically connect two circuit boards which are to be arranged essentially perpendicular to one another (which are to be plugged perpendicularly to one another).
  • the application of the circuit board zero-force connector according to the invention is not restricted to such applications; the circuit boards, which can be connected by circuit board zero-force connectors of the type described, can in principle assume any relative positions.
  • the circuit board zero-force connector described in more detail below is designated by the reference number 1 in the figures.
  • the circuit boards that are to be connected by this circuit board zero-force connector 1 are a first circuit board 3 and a second circuit board 4, the first circuit board 3 should be able to be plugged onto the second circuit board 4 essentially perpendicularly.
  • Printed circuit boards in the manner of the second printed circuit board 4 are, for example, the so-called rear wall printed circuit boards;
  • the circuit boards that can be plugged on there, in the manner of the first circuit board 3, are often referred to as plug-in cards in accordance with their assembly.
  • the circuit board zero force connector 1 is fixedly mounted on the second circuit board 4 using a mounting plate 2.
  • the circuit board zero-force connector 1 and the second circuit board 4 are connected to one another both mechanically and electrically firmly and reliably.
  • the circuit board zero-force connector 1 contains two connector halves 11 and 12 (hidden in the figures) which are separated from one another by an elongated slot 13.
  • the first connector half 11 and the second connector half 12 are (even when the printed circuit board zero-force connector 1 is mounted on the second printed circuit board 4) by actuating a swivel mechanism 14 provided on the side of the printed circuit board zero force connector 1, but not described in more detail here, towards and away from one another swiveling or folding.
  • the connector halves 11 and 12 By pivoting the connector halves 11 and 12 together, they move towards one another at the upper end of the printed circuit board zero-force connector 1 as shown in FIG. 1, as a result of which the slot 13 becomes narrower. If and as long as the slot is so narrowed, the first printed circuit board 3 possibly inserted therein is clamped there more or less firmly and thereby comes into electrical and mechanical connection with the second printed circuit board 4 via the zero-force plug connector 1; the electrical connection between the circuit board zero-force connector 1 and the first circuit board 3 is thereby pressed against (not in the figures either) by pressing contact springs of the circuit board zero-force connector 1 which can be pivoted together with the connector halves 11 and 12 (not shown in the figures) shown) surface contacts of the first circuit board 3 accomplished.
  • Printed circuit board guiding devices 5 are provided on two opposite sides of the printed circuit board zero force connector 1, with the aid of which (between which) the first printed circuit board 3 can be guided in or out of the slot 13 of the printed circuit board zero force connector 1; only one of the circuit board guiding devices 5 is shown in the figures.
  • This circuit board guide device designated by the reference number 5, can be mounted by means of mounting plates 6 and 7 on the housing or frame accommodating the arrangement shown, the housing or the frame not being shown in the figures.
  • an element referred to as an actuating element 8 is inserted into it, which at the same time serves as a guide element of the circuit board guide device 5 and as a bed.
  • Actuation element for actuating the pivot mechanism 14 of the circuit board zero-force connector 1 is used; Although this is not the case in the example considered here, each of the circuit board guiding devices can be equipped with such or a similar actuator 8.
  • the actuator 8 is a substantially rod-like element (a push and pull rod), which in the central part 81, i.e. has a substantially U-shaped cross section except at its two end portions 82 and 83.
  • the central part 81 is dimensioned such that it can be inserted into the printed circuit board guide device 5, more precisely a space 51 provided therefor, in such a way that the actuating element 8 can be freely displaced in the longitudinal direction thereof, but otherwise has very little movement.
  • the actuating element 8 In the state of the actuating element 8 inserted into the printed circuit board guide device 5, as can be seen in particular from FIGS. 2 and 3, it defines a groove-like recess 84 on the side of the printed circuit board guide device 5 facing the printed circuit board in which the through-hole the guide device 5 to be guided first printed circuit board 3 can be guided as illustrated in Figure 3. As a result, the actuator 8 acts as a guide element of the circuit board guide device 5.
  • the end section facing the circuit board zero-force plug connector 1 in the assembled state ie the end section of the actuating member 8 designated by the reference numeral 82 comes into engagement with the swivel mechanism 14 when used as intended such that an actuating supply, ie a movement of the actuator 8 in the longitudinal direction, opening and closing the connector halves 11 and 12 of the circuit board zero force connector 1 is caused.
  • the engagement between the end section 82 of the actuating member 8 and the swivel mechanism 14 is designed such that these elements are not connected to one another (detached from one another) at least either in the mounting position or in the connecting position of the printed circuit board zero-force connector 1; the actuating element 8 can thereby be inserted into or removed from the arrangement at any time completely independently of the circuit board zero-force plug connector 1 together with the circuit board guide device 5 or without it.
  • the end section facing away from the PCB zero-force connector 1 in the assembled state i.e. the end section of the actuating element 8, designated by the reference symbol 83, projects beyond a circuit board inserted into the circuit board zero-force connector 1, more precisely beyond the rear edge thereof with respect to the insertion direction, and in the example considered is provided with a folding part 85 which resembles a two-armed lever.
  • This folding part 85 which is not described in more detail here, serves to facilitate the displacement of the actuating element 8 in its longitudinal direction and / or to coordinate with the insertion / removal of a printed circuit board (the printed circuit board 3).
  • the displacement of the actuator 8 can, however, also be carried out without the aid of the folding part 85 or the like.
  • the end portion 82 engages with the swivel mechanism 14 and thereby brings the zero-force connector 1 in the mounting position into the connecting position.
  • the connector halves 11 and 12 of the circuit board zero-force connector 1 fold together and clamp the circuit board inserted between them, as a result of which a firm and reliable electrical and mechanical connection is established with the inserted circuit board.
  • the actuator 8 To remove the circuit board from the circuit board zero-force connector 1, the actuator 8 must be pulled away from it. Characterized the pivot mechanism 14 is actuated so that it brings the circuit board zero-force connector 1 from the connecting position into the mounting position. In other words, the connector halves 11 and 12 of the same, which are folded in the connection position of the circuit board zero-force connector 1, open and enable the circuit board inserted into the circuit board zero-force connector 1 to be removed essentially without force.
  • the actuating member 8 is additionally also supported by the printed circuit board guided in each case by the printed circuit board guide device 5.
  • the additional support of the actuating element by the circuit board is not essential; the actuator can also be integrated into the guide device 5 in such a comprehensive manner (supported on all or more sides) that the additional support mentioned by the printed circuit board is not required.
  • the almost over the entire length of the actuator 8 and on several or all sides of the side support prevents the latter from being bent or bent by the displacement or other external influences, even if the actuator 8 is mechanically relatively weak is.
  • the described design and arrangement of the actuating element 8 offers the possibility of keeping the forces acting on it or their negative effects extremely low.
  • the integration of the actuator 8 in the circuit board guide device 5 has the positive effect that the actuator 8 can reach the pivot mechanism 14 at a central location, whereby this can be formed symmetrically.
  • a symmetrical structure of the swivel mechanism makes it possible for the forces exerted on the actuating element, in particular the forces acting transversely to the direction of displacement of the actuating element 8, to at least partially cancel one another and / or for asymmetrical loads on the actuating element to be avoided be, whereby the forces acting on the actuator or at least their negative side effects can be reduced to a minimum.
  • the integration of the actuator 8 in the circuit board guide device 5 also has the positive effect that the actuator 8 can be accommodated in a space-saving manner (the circuit board guide device 5 does not have to be made larger or at most insignificantly larger than before) and no obstacle to ventilation ( Cooling) or a downsizing of the arrangement.

Landscapes

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

Abstract

L'invention concerne un connecteur enfichable zéro force d'insertion destiné à une carte de circuits imprimés et doté d'un actionneur (8) qui permet d'amener le connecteur enfichable (1, 11-14) d'une position de montage permettant l'insertion ou le retrait d'une carte de circuits imprimés à une position de connexion assurant un contact correct de la carte et/ou vice versa. Le connecteur de l'invention est caractérisé en ce que l'actionneur est intégré à un dispositif de guidage (5) de la carte imprimée, qui permet d'avancer ou d'éloigner de l'actionneur la carte imprimée qui est à relier au connecteur enfichable zéro force d'insertion ou qui y est déjà reliée.
EP98934757A 1997-06-13 1998-05-20 Connecteur enfichable zero force d'insertion destine a une carte de circuits imprimes Expired - Lifetime EP0988669B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19725132 1997-06-13
DE19725132 1997-06-13
PCT/DE1998/001388 WO1998058427A1 (fr) 1997-06-13 1998-05-20 Connecteur enfichable zero force d'insertion destine a une carte de circuits imprimes

Publications (2)

Publication Number Publication Date
EP0988669A1 true EP0988669A1 (fr) 2000-03-29
EP0988669B1 EP0988669B1 (fr) 2003-05-07

Family

ID=7832450

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98934757A Expired - Lifetime EP0988669B1 (fr) 1997-06-13 1998-05-20 Connecteur enfichable zero force d'insertion destine a une carte de circuits imprimes

Country Status (3)

Country Link
EP (1) EP0988669B1 (fr)
DE (1) DE59808285D1 (fr)
WO (1) WO1998058427A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6899546B2 (en) 2000-02-11 2005-05-31 Tyco Electronics Belgium Ec N.V. Printed circuit board
CA2399372C (fr) 2000-02-11 2008-08-12 Tyco Electronics Belgium Ec N.V. Carte de circuit imprime et ensemble de connecteurs

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130351A (en) * 1961-09-14 1964-04-21 George J Giel Modular circuitry apparatus
US3853379A (en) * 1973-07-20 1974-12-10 Itt Printed circuit board connector assembly
US4544223A (en) * 1983-10-26 1985-10-01 International Business Machines Corporation Actuator for zero insertion force connectors

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9858427A1 *

Also Published As

Publication number Publication date
EP0988669B1 (fr) 2003-05-07
DE59808285D1 (de) 2003-06-12
WO1998058427A1 (fr) 1998-12-23

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