EP3518347B1 - Connector with latching securing hood - Google Patents

Connector with latching securing hood Download PDF

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Publication number
EP3518347B1
EP3518347B1 EP18200624.7A EP18200624A EP3518347B1 EP 3518347 B1 EP3518347 B1 EP 3518347B1 EP 18200624 A EP18200624 A EP 18200624A EP 3518347 B1 EP3518347 B1 EP 3518347B1
Authority
EP
European Patent Office
Prior art keywords
locking
circuit board
contact carrier
connector
plug connector
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.)
Active
Application number
EP18200624.7A
Other languages
German (de)
French (fr)
Other versions
EP3518347A1 (en
Inventor
Paulo Russo
Frank Rentrop
Olaf STEINBACH
Dirk Pfaffenbach
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.)
Lumberg Connect GmbH
Original Assignee
Lumberg Connect GmbH
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 Lumberg Connect GmbH filed Critical Lumberg Connect GmbH
Priority to SI201830061T priority Critical patent/SI3518347T1/en
Publication of EP3518347A1 publication Critical patent/EP3518347A1/en
Application granted granted Critical
Publication of EP3518347B1 publication Critical patent/EP3518347B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/7017—Snap means
    • H01R12/7029—Snap means not integral with the coupling device
    • 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
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/515—Terminal blocks providing connections to wires or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • 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
    • H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
    • 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
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/7052—Locking or fixing a connector to a PCB characterised by the locating members
    • 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
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/645—Means for preventing incorrect coupling by exchangeable elements on case or base
    • H01R13/6456—Means for preventing incorrect coupling by exchangeable elements on case or base comprising keying elements at different positions along the periphery of the connector

Definitions

  • the invention relates to a plug connector, in particular direct plug connector for contacting contact openings on a printed circuit board, with a contact carrier, which can have coding means, in particular coding pins and reverse polarity protection, in particular in the form of polarity projections, with conductor insertion channels formed by the contact carrier for receiving connecting conductors and with contact recesses for receiving plug contacts, with a fuse hood which surrounds the contact carrier, the contact carrier in the fuse hood being displaceable in the plug-in direction of the connector between an assembly position and a pre-assembly position and with a primary fuse holding the connector on the circuit board, which is part of the fuse hood, wherein the primary fuse can be shifted from a locking position into a release position with a contact carrier, which is in its mounting position within the fuse cover e holds the primary fuse in its locking position, with a primary fuse comprising at least one locking arm arranged on the fuse cover, which extends in the direction of insertion.
  • a contact carrier which can have coding means,
  • connectors are well known from the prior art. So the reveals EP 0 020 834 A1 a connector that is used to contact a connecting conductor on a circuit board by means of plug contacts.
  • the connectors can be designed as direct connectors. These direct plug connectors have plug contacts, the conductor sections of which are contacted directly by the printed circuit board. These direct plug connectors are provided with plug contacts for specially shaped printed circuit boards, which have openings for this purpose, the inner circumferential surface of which is provided with an electrical layer. This The electrically conductive layer of the circuit board comes into direct contact with the contact fingers of the plug contacts.
  • the contact carrier which carries the plug contacts, is moved from the pre-assembly to the assembly position.
  • the fuse cover surrounding the contact carrier then holds the connector securely on the printed circuit board, for example in the US 2012/0129373 A1 disclosed.
  • the primary fuse fixes the connector on the circuit board and protects the contact between the connector and the circuit board against unintentional disconnection.
  • the primary fuse also serves to protect against increased tensile forces that are applied by the connection conductors. The primary fuse thus ensures safe and permanent contact.
  • the primary backup such as in the US 2016/0211595 A1 forms at least one locking element, which cooperates with free cuts in the circuit board in order to arrange the connector on the circuit board.
  • These locking elements have locking means which engage under the circuit board.
  • the contact carrier forms two latching elements, each of which has different latching geometries.
  • non-generic connectors such as the one whose contact carrier is provided with a cover element which forms primary fuse in order to firmly arrange the contact carrier on the circuit board.
  • Connectors are subject to constant miniaturization, the requirements for securing the connector on the circuit board remaining at least constant.
  • the object of the invention is to provide a connector, the design of which ensures an optimized and secure fixing of the primary fuse on the circuit board.
  • the invention is solved by a connector having the features of claim 1, in particular its characteristic feature.
  • the main advantage of the invention is that the primary fuse of the fuse cover is held in the locking position by the contact carrier in the mounting position on the circuit board.
  • the primary fuse is thus blocked against displacement into the release position and removal of the connector from the circuit board is not possible without destruction.
  • a connector fixed in this way on the printed circuit board can thus withstand higher loads and can therefore also be used in environments with increased vibration without detaching from the printed circuit board.
  • the primary fuse comprises at least one locking arm arranged on the fuse hood, which extends in the plugging direction.
  • the locking arm arranged on the fuse cover engages under the circuit board in order to arrange the connector on the circuit board.
  • the contact carrier is arranged in its assembly position in the space in which the locking arm for moving to the release position is to be shifted and thus blocks the shifting movement of the locking arm into the release position.
  • the primary fuse has at least two opposing latching arms, the space for arranging the contact carrier in its assembly position being spanned between the latching arms.
  • the primary fuse comprises at least two locking arms arranged in pairs next to one another, the locking elements of which have different locking geometries.
  • the latching member of the first latching arm has a latching surface which engages under the printed circuit board and which is oriented essentially orthogonally to the plugging direction of the connector.
  • the latching surface is thus aligned approximately parallel to the underside of the circuit board.
  • the connector is secured against tensile force.
  • the holding force of the first locking arm is up to 60 Newtons.
  • the latching member of the second latching arm has a latching surface which engages at least partially beneath the circuit board and which, starting from the latching arm, is designed to drop in the plugging direction.
  • the latch arm first serves to compensate for tolerances between the contact carrier of the connector and the circuit board. Depending on the thickness of the printed circuit board, the falling latching surface completely or at least partially undermines the printed circuit board and, in addition to the first latching surface, offers the connector hold on the circuit board.
  • the angle between the sloping latching surface with the printed circuit board encloses an angle of 20 ° and thus enables tolerance compensation of up to 10% of the nominal thickness of the printed circuit board.
  • the securing hood has two locking arm pairs arranged opposite one another and oriented in the plugging direction.
  • the locking arms of the different locking arm pairs with locking elements of the same geometry lie diagonally opposite one another.
  • each latching arm has a releasing cam which serves to move the latching member back into the space of the release position in order to separate the connector from the circuit board, the contact carrier being displaced in the preassembly position.
  • the contact carrier must be in the pre-assembly position before the connector is detached from the circuit board to prevent the locking arms of the primary fuse from blocking.
  • the release cams of the locking arms are optional and therefore not a mandatory feature of the locking arms.
  • a connector according to the invention is provided with the reference number 10 overall.
  • FIGS Figures 15 to 18 A first embodiment of the connector 10 is disclosed.
  • a second embodiment is shown in FIGS Figures 15 to 18 shown.
  • Components that are identical in construction or have the same effect are identified with identical reference symbols and terms. Unless otherwise stated, the explanations for an exemplary embodiment apply mutatis mutandis to the alternative embodiment.
  • a printed circuit board 19 is shown in the Fig. 1 in addition to the connector 10 with a contact carrier 11 and a secondary fuse 26, a printed circuit board 19 is shown.
  • the connector 10 has the contact carrier 11, which forms a housing 13 for plug contacts 12.
  • the housing 13 of the Contact carrier 11 is provided with conductor insertion channels 14, which serve to accommodate connecting conductors, not shown here. These are electrically connected to the plug contacts 12 via insulation displacement forks 48.
  • the plug contacts 12 form the contact fingers 49 which engage under the contact opening 36 of a printed circuit board 19 as soon as the plug connector 10 is arranged on the printed circuit board 19, as for example in FIG Fig. 11 shown.
  • the housing 13 is equipped with contact recesses 15 into which the plug contacts 12 are inserted.
  • the housing 13 carries on its outer surface a plurality of coding pins 16 which project the connector 10 in the plugging direction and assign the connector 10 on the printed circuit board 19 with a corresponding coding, in particular in the form of coding bores 37.
  • the housing 13 has 20 latching hooks 21 on its front side, by means of which a plurality of plug connectors 10 can be arranged next to one another for assembly purposes.
  • the housing 13 forms contours for receiving 23 latching hooks 21, by means of which further plug connectors 10 can be arranged on the contact carrier 11.
  • the contact carrier 11 is equipped with a reverse polarity protection 18.
  • the reverse polarity protection 18 is intended to avoid short-circuit contacting of the plug contacts 12 with the contact openings 36 of the printed circuit board 19.
  • the polarity reversal protection 18 is formed by three polarity projections 56, which originate from the underside of the contact carrier 11, as for example in FIG Fig. 6 shown. Two of the polarity projections 56 are formed on the contact carrier 11 on the right with respect to the paper plane, whereas only one polarity projection 56 is formed on the left with respect to the paper plane.
  • the housing 13 of the contact carrier 11 is penetrated with a bore 24 parallel to the direction of insertion.
  • This bore 24 has a first notch 25A and a second notch 25B.
  • the second notch 25B is an optional and not a mandatory feature of the bore 24.
  • the bore 24 serves to receive the secondary fuse 26, in particular in the form of a locking pin 27.
  • the locking pin 27 has a head region 28 and a pin-like base body 29.
  • the Fig. 2a shows the locking pin 27 in side view.
  • the outer circumference of the pin-like base body 29 of the locking pin 27 is partially surrounded by assembly locking projections 47 and locking latch projections 33.
  • the assembly latching projections 47 serve for the pre-assembly of the latching pin 27 on the contact carrier 11.
  • the latching latching projections 33 engage under the printed circuit board 19 and hold the plug connector 10 on the printed circuit board 19.
  • the locking latch projections 33 which are enlarged in Fig. 2b are formed like a thread section and serve to brace the contact carrier 11 on the circuit board 19. At the same time, the thread pitch also enables compensation of circuit board tolerances.
  • the pin-like base body 29 of the locking pin 27 has a slot 41 which is delimited by a first side wall 40A and a second side wall 40B.
  • the slot 41 enables the side walls 40A and 40B, which carry the locking latching projections 33, to be moved back in a diameter-reducing manner.
  • the rib 31 is shown in the head region 28. This cooperates with the first or the second notch 25A, 25B of the bore 24 (see Fig. 1 . Fig. 5 ). Depending on the locking position of the locking pin 27, this rib 31 cooperates with the first or second notch 25A, 25B and thus holds the locking pin 27 or whose locking catch projections 33 in the locking or unlocking position of the secondary lock 26.
  • the rib 31 and the head region 28 of the locking pin 27 are in the Fig. 3 shown.
  • the head region 28 forms a groove 30A, which serves to receive a tool, not shown here, and thus displaces the locking pin 27 in the locking or unlocking position.
  • a screwdriver can be inserted into the groove 30A, by means of which the locking pin 27 can be rotated through 90 ° in the bore 24.
  • the Fig. 4 shows the circuit board 19 from above.
  • the printed circuit board 19 forms the contact openings 36 for receiving the plug contacts 12 of the contact carrier 11.
  • the circuit board 19 has an opening 39 formed in the middle of the circuit board 19 with a keyhole-like contour. This contour is subdivided into a straw section 58 and a beard section 38.
  • the straw section 58 serves to hold the pin-like base body 29 of the locking pin 27.
  • the beard section 38 serves to hold a coding pin 16 of the contact carrier 11.
  • Two coding holes 37 are adjacent to this beard section 38 on both sides of the printed circuit board 19, which serve to receive the other coding pins 16 of the contact carrier 11.
  • the circuit board 19 Adjacent to the opening 39, the circuit board 19 has a first and a second elongated hole 35A, 35B. These elongated holes 35A and 35B have sections which on the one hand cooperate with a primary fuse 17 and on the other hand with the polarization projections 56 of the reverse polarity fuse 18.
  • the elongated hole 35A cooperates on the one hand with the primary fuse 17 and with a polarization projection 56.
  • the elongated hole 35B cooperates with the primary fuse 17 and with two polarization projections 56 and is accordingly longer than the elongated hole 35A. An incorrect positioning of the connector 10 on the printed circuit board 19 is therefore excluded.
  • the primary fuse 17 is for example in the 5 to 7 shown and serves the arrangement of the contact carrier 11 on the circuit board 19.
  • the primary fuse 17 is formed by two pairs of locking arms. Each locking arm pair has a first locking arm 44 and a second locking arm 45.
  • the locking arms 44, 45 each spring from a locking arm root 52 facing away from the free end, which is arranged on the contact carrier 11.
  • the locking arms 44, 45 each have a release cam 53, which are used to move the locking arms 44, 45 back into a release position in order to separate the connector 10 from the printed circuit board 19 when a corresponding pressure is exerted, the release cams being an optional and thus are not a mandatory feature of the locking arms 44, 45.
  • the latching arms 44, 45 have latching members 50 and 51 in their free end, which have different latching surfaces 54 and 55.
  • the first locking member 50 of the second locking arm 45 is shown.
  • the first locking member 50 of the second locking arm 45 forms a locking surface 54 which engages under the printed circuit board 19.
  • This latching surface 54 is aligned essentially orthogonally to the plugging direction of the connector, that is to say approximately parallel to the underside 46 of the printed circuit board 19, as is shown, for example, in FIG Fig. 11 and 13 can be seen.
  • the connector 10 is thus secured against a tensile force that can be applied, for example, by the connection conductors, not shown.
  • the latching surface 54 of the first latching member 50 enables a holding force of up to 60 Newtons.
  • the second locking member 51 of the locking arm 44 has a latching surface 55 which, starting from the first latching arm 44, is designed to drop in the plugging direction.
  • the latching surface 55 serves to compensate for tolerances between the contact carrier 11 and the printed circuit board 19.
  • the latching arms 44 arranged on the printed circuit board 19 are, for example, in FIGS Fig. 11 and 13 shown.
  • Printed circuit boards 19 with a minimum thickness fully engage under the sloping latching surface 55, so that the surface origin located near the first latching arm 44 provides the connector 10 with support on the printed circuit board 19 in addition to the latching surface 54.
  • Printed circuit boards 19 with a maximum thickness only engage under the sloping latching surface 55 with their end facing away from the origin, which offers the connector 10 support in addition to the latching surface 54.
  • a partial engagement under the latching surface 55 takes place.
  • the sloping latching surface 55 forms an angle of 20 ° with the underside 46 of the printed circuit board 19 and thus enables a tolerance compensation of up to 10% of the nominal thickness of the printed circuit board 19.
  • the falling latching surface 55 also helps to anchor the connector 10 on the circuit board 19 at. However, the tensile load that can be compensated for by them is low due to the sloping latching surface 55.
  • the latching arms 44, 45 run ahead of the contact carrier 11 and are arranged parallel to one another.
  • the connector 10 has two pairs of locking arms, which are arranged on opposite sides of the connector 10.
  • the locking members 50 and 51 of the same locking geometry are located diagonally opposite one another on the contact carrier 11.
  • the locking element 51 of the locking arm pair on the left with respect to the paper plane is arranged at the front, while the locking element 50 is arranged at the rear.
  • the locking arm pair on the right with respect to the paper plane on the other hand, has a locking element 50 located at the front, whereas the locking element 51 is located at the rear. In this way, the aforementioned diagonality is guaranteed.
  • the diagonally opposite latching members 50 and 51 of the same configuration with their latching surfaces 54 and 55 prevent the connector 19 from tilting under tensile load and thus equalize the contact point load between the plug contacts 12 and the contact holes 36.
  • the secondary lock 26 stored in the unlocked position and viewed from above ( Fig. 10 ) and from below ( Fig. 11 ).
  • the unlocked position is indicated here by the groove 30A pointing to the word "release”. Another form of visual display is possible.
  • the rib 31 of the head region 28 of the locking pin 27 cooperates with the first notch 25A associated with the term “release”. In this position, the rib 31 and the first notch 25A hold the locking pin 27 in the unlocked position. An independent turning of the locking pin 27 or by vibration is not possible.
  • the secondary fuse 26 is only mounted in the straw section 58 of the opening 39 in such a way that the locking catch projections 33 of the catch pin 27 do not engage under the printed circuit board 19.
  • the locking pin 27 is shifted into the locking position.
  • the rotatably mounted locking pin 27 enables the contact carrier 11 to be clamped to the printed circuit board 19 by rotating the locking pin 27 from the unlocked position into the locking position when the connector 10 is mounted on the printed circuit board 19.
  • the locking pin 27 is mounted in the locking position in the stalk region 58 of the opening 39 in such a way that the locking catch projections 33 of the locking pin 27 engage under the printed circuit board 19 and, due to the thread-section-like design of the locking catch projections 33, clamp the contact carrier 11 with the printed circuit board 19.
  • the locking pin 27 can already be in the locking position when it is placed on the printed circuit board 19. Then the locking catch projections 33 run onto the edge of the opening 39.
  • the slot 41 which is arranged vertically in the locking pin 27, enables the locking locking projections 33 of the locking pin 27 to be moved back in a resilient manner when the locking pin is continued, so that they swap through the opening 39 and thus engage under the printed circuit board 19.
  • FIG. 15 to 18 A second embodiment of the connector 10 is disclosed.
  • this connector 10 has a fuse cover 60.
  • the fuse hood 60 surrounds the contact carrier 11 on the outside, the contact carrier 11 being arranged movably in the fuse hood 60.
  • the contact carrier 11 has locking pins 61 parallel to the direction of insertion, which lead the contact carrier 11 and position it in the fuse cover 60 in the preassembly position.
  • the contact carrier 11 forms latching profiles 63 and latching grooves 66, which lead the contact carrier 11 in the plugging direction and in accordance with the pre-or assembly position of the contact carrier 11 in FIG Fuse hood 60 cooperate with locking bars 65 of fuse hood 60.
  • the contact carrier 11 has latching tabs 62, which originate from the housing 13 on the short sides of the contact carrier 11.
  • the latching tabs 62 are resilient and cooperate with latching openings 64, which are formed by the securing hood 60, as shown in FIG Fig. 16 is shown.
  • the locking tabs 62 can be moved back by pressure, so that the contact carrier 11 can be detached from the securing hood 60.
  • the latching tab 62 forms a latching lug 67, which cooperates with a corresponding latching recess 68, which is formed by the securing hood 60.
  • the latching nose 67 interacts with the latching recess 68, as in the sectional illustration in FIG Fig. 17 shown.
  • the locking lug 67 dips through the locking recess 68 and in this way additionally fastens the contact carrier 11 in the securing hood 60.
  • the locking tabs 62 back By moving the locking tabs 62 back, the locking lugs are also moved back, so that the contact carrier 11 can be released from the securing hood.
  • the primary fuse 17 In contrast to the first embodiment of the connector 10, the primary fuse 17, the reverse polarity protection 18 and the coding pins 16 of the fuse cover 60 do not originate from the contact carrier 11.
  • the primary fuse 17 In this second embodiment of the connector 10, the primary fuse 17 has identical locking arm pairs 44 on both sides, which correspond to the Locking elements 51 are formed.
  • the locking members have the locking surface 55, which serve to compensate for tolerances between the contact carrier 11 and the printed circuit board 19.
  • the primary fuse 17 is configured identically to the first embodiment of the connector 10, as for example in FIG Fig. 5 shown.
  • the reverse polarity protection 18 can also be designed in accordance with the first embodiment of the connector 10, as is the example of the Fig. 6 can be seen.
  • the contact fingers 49 of the plug contacts 12 must be received in the contact openings 36 of the printed circuit board 19 in order to produce electrical contact.
  • the contact carrier 11 is positioned in the securing hood 60 by means of locking pins 61, the locking grooves 66 of the contact carrier 11 cooperating with the locking webs 65 of the securing hood 60 in the preassembled position.
  • the plug contacts 12 are inserted into the contact recesses 15 of the contact carrier 11. Since the contact carrier 11 and, accordingly, also the plug contacts 12 are spaced apart from the printed circuit board 19 in the preassembly position, electrical contacting of the plug connector 10 with the printed circuit board 19 in the preassembled position of the plug connector 10 is excluded.
  • the contact carrier 11 In order to completely assemble the plug connector 10, the contact carrier 11 is moved in the plugging direction and thus shifted into the assembly position.
  • the locking webs 66 now engage in the locking profiles 63 of the contact carrier 11 and thus arrange the contact carrier 11 in the fuse cover 60.
  • the latching tabs 62 snap onto the latching openings 64 of the securing hood 60.
  • the Fig. 17 shows the connector 10 in the preassembly position on the printed circuit board 19.
  • the fuse cover 60 of the circuit board 19 is arranged.
  • the latching surfaces 55 of the latching arms 44 engage under the printed circuit board 19 and fix the fuse cover 60 on the printed circuit board 19.
  • the contact carrier 11 is arranged in the pre-assembled position in the fuse cover 60.
  • the locking pins 61 of the contact carrier 11 are seated in an upper region A above the locking arms 44.
  • the movement space required for relocating the locking arms back is thus free.
  • the locking arms 44 can be moved back into the movement space by pressure on the release cams 53 and the safety hood 60 can thus be easily removed from the printed circuit board 19.

Landscapes

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

Description

Die Erfindung betrifft einen Steckverbinder, insbesondere Direktsteckverbinder zur Kontaktierung von Kontaktöffnungen einer Leiterplatte, mit einem Kontaktträger, welcher über Kodiermittel, insbesondere Kodierstifte und eine Verpolungssicherung, insbesondere in Form von Polungsvorsprüngen, verfügen kann, mit vom Kontaktträger ausgebildeten Leitereinschubkanälen zur Aufnahme von Anschlussleitern sowie mit Kontaktausnehmungen zur Aufnahme von Steckkontakten, mit einer Sicherungshaube, welche den Kontaktträger umgibt, wobei der Kontaktträger in der Sicherungshaube in Steckrichtung des Steckverbinders verschieblich zwischen einer Montagestellung und einer Vormontagestellung verlagerbar ist und mit einer den Steckverbinder an der Leiterplatte haltenden Primärsicherung, welche Teil der Sicherungshaube ist, wobei die Primärsicherung von einer Riegelstellung in eine Lösestellung verlagerbar ist mit einem Kontaktträger, welcher in seiner Montagestellung innerhalb der Sicherungshaube die Primärsicherung in ihrer Riegelstellung hält, mit einer Primärsicherung die zumindest einen an der Sicherungshaube angeordneten Rastarm umfasst, welcher sich in Steckrichtung erstreckt.The invention relates to a plug connector, in particular direct plug connector for contacting contact openings on a printed circuit board, with a contact carrier, which can have coding means, in particular coding pins and reverse polarity protection, in particular in the form of polarity projections, with conductor insertion channels formed by the contact carrier for receiving connecting conductors and with contact recesses for receiving plug contacts, with a fuse hood which surrounds the contact carrier, the contact carrier in the fuse hood being displaceable in the plug-in direction of the connector between an assembly position and a pre-assembly position and with a primary fuse holding the connector on the circuit board, which is part of the fuse hood, wherein the primary fuse can be shifted from a locking position into a release position with a contact carrier, which is in its mounting position within the fuse cover e holds the primary fuse in its locking position, with a primary fuse comprising at least one locking arm arranged on the fuse cover, which extends in the direction of insertion.

Solche Steckverbinder sind aus dem Stand der Technik hinlänglich bekannt. So offenbart die EP 0 020 834 A1 einen Steckverbinder, der der Kontaktierung eines Anschlussleiters an einer Leiterplatte mittels Steckkontakten dient. Die Steckverbinder können als Direktsteckverbinder ausgebildet sein. Diese Direktsteckverbinder weisen Steckkontakte auf, deren Leiterabschnitte von der Leiterplatte unmittelbar kontaktiert werden. Diese Direktsteckverbinder sind mit Steckkontakten für speziell geformte Leiterplatten versehen, welche hierfür Durchbrüche aufweisen, deren Innenumfangsfläche mit einer elektrischen Schicht versehen ist. Diese elektrisch leitende Schicht der Leiterplatte tritt direkt mit den Kontaktfingern der Steckkontakte in Kontakt.Such connectors are well known from the prior art. So the reveals EP 0 020 834 A1 a connector that is used to contact a connecting conductor on a circuit board by means of plug contacts. The connectors can be designed as direct connectors. These direct plug connectors have plug contacts, the conductor sections of which are contacted directly by the printed circuit board. These direct plug connectors are provided with plug contacts for specially shaped printed circuit boards, which have openings for this purpose, the inner circumferential surface of which is provided with an electrical layer. This The electrically conductive layer of the circuit board comes into direct contact with the contact fingers of the plug contacts.

Es sind beispielsweise gattungsgemäße Steckverbinder aus der DE 20 2016 105 525 U1 bekannt, welche eine Sicherungshaube aufweisen. Die Sicherungshaube umgibt den Kontaktträger des Steckverbinders außenumfänglich, wobei der Kontaktträger beweglich in der Sicherungshaube angeordnet ist, um von einer Vormontagestellung in eine Montagestellung verlagert werden zu können.There are, for example, generic connectors from the DE 20 2016 105 525 U1 known, which have a safety hood. The fuse cover surrounds the contact carrier of the connector on the outside, the Contact carrier is arranged movably in the fuse cover in order to be able to be shifted from a pre-assembly position into an assembly position.

Sobald sich der Steckverbinder auf der Leiterplatte befindet, wird der Kontaktträger, welcher die Steckkontakte trägt, von der Vormontage in die Montagestellung verlagert. Die den Kontaktträger umgebende Sicherungshaube hält den Steckverbinder dann sicher an der Leiterplatte, wie beispielsweise in der US 2012/0129373 A1 offenbart.As soon as the connector is on the circuit board, the contact carrier, which carries the plug contacts, is moved from the pre-assembly to the assembly position. The fuse cover surrounding the contact carrier then holds the connector securely on the printed circuit board, for example in the US 2012/0129373 A1 disclosed.

Weiterhin sind gattungsgemäße Steckverbinder bekannt, die eine Primärsicherung tragen. Die Primärsicherung legt den Steckverbinder an der Leiterplatte fest und schützt die Kontaktierung zwischen Steckverbinder und Leiterplatte vor unbeabsichtigtem Lösen. Weiterhin dient die Primärsicherung dem Schutz vor erhöhten Zugkräften, welche von den Anschlussleitern aufgebracht werden. Die Primärsicherung gewährleistet somit eine sichere und dauerhafte Kontaktierung.Furthermore, generic connectors are known which carry a primary fuse. The primary fuse fixes the connector on the circuit board and protects the contact between the connector and the circuit board against unintentional disconnection. The primary fuse also serves to protect against increased tensile forces that are applied by the connection conductors. The primary fuse thus ensures safe and permanent contact.

Die Primärsicherung, wie beispielsweise in der US 2016/0211595 A1 bildet wenigstens ein Rastelement aus, welches mit Freischnitten in der Leiterplatte kooperiert, um den Steckverbinder an der Leiterplatte anzuordnen. Diese Rastelemente weisen Rastmittel auf, welche die Leiterplatte untergreifen. In der US 2016/0211595 A1 bildet der Kontaktträger zwei Rastelement aus, welche jeweils unterschiedliche Rastgeometrien aufweisen.The primary backup, such as in the US 2016/0211595 A1 forms at least one locking element, which cooperates with free cuts in the circuit board in order to arrange the connector on the circuit board. These locking elements have locking means which engage under the circuit board. In the US 2016/0211595 A1 the contact carrier forms two latching elements, each of which has different latching geometries.

Es sind zudem gattungsfremde Steckverbinder, wie beispielsweise die, dessen Kontaktträger mit einem Abdeckelement versehen ist, welches Primärsicherung ausbildet, um den Kontaktträger an der Leiterplatte fest anzuordnen.There are also non-generic connectors, such as the one whose contact carrier is provided with a cover element which forms primary fuse in order to firmly arrange the contact carrier on the circuit board.

Steckverbinder sind einer stetigen Miniaturisierung ausgesetzt, wobei die Anforderungen an die Sicherung des Steckverbinders an der Leiterplatte wenigstens konstant bleiben.Connectors are subject to constant miniaturization, the requirements for securing the connector on the circuit board remaining at least constant.

Aufgabe der Erfindung ist es, einen Steckverbinder zu schaffen, dessen Ausgestaltung eine optimierte und sichere Festlegung der Primärsicherung an der Leiterplatte gewährleistet.The object of the invention is to provide a connector, the design of which ensures an optimized and secure fixing of the primary fuse on the circuit board.

Gelöst wird die Erfindung von einem Steckverbinder mit den Merkmalen des Anspruchs 1, insbesondere dessen kennzeichnendem Merkmal.The invention is solved by a connector having the features of claim 1, in particular its characteristic feature.

Der wesentliche Vorteil der Erfindung liegt darin, dass die Primärsicherung der Sicherungshaube von dem in Montagestellung befindlichen Kontaktträger an der Leiterplatte in Riegelstellung gehalten wird. Die Primärsicherung ist somit gegen eine Verlagerung in die Lösestellung blockiert und ein Entfernen des Steckverbinders von der Leiterplatte ist zerstörungsfrei nicht möglich. Ein so an der Leiterplatte festgelegter Steckverbinder kann somit höheren Belastungen standhalten und kann somit auch in Umgebungen mit erhöhter Vibration eingesetzt werden ohne sich von der Leiterplatte zu lösen.The main advantage of the invention is that the primary fuse of the fuse cover is held in the locking position by the contact carrier in the mounting position on the circuit board. The primary fuse is thus blocked against displacement into the release position and removal of the connector from the circuit board is not possible without destruction. A connector fixed in this way on the printed circuit board can thus withstand higher loads and can therefore also be used in environments with increased vibration without detaching from the printed circuit board.

Es ist vorgesehen, dass die Primärsicherung zumindest einen an der Sicherungshaube angeordneten Rastarm umfasst, welcher sich in Steckrichtung erstreckt. Der an der Sicherungshaube angeordnete Rastarm untergreift die Leiterplatte, um den Steckverbinder an der Leiterplatte anzuordnen.It is provided that the primary fuse comprises at least one locking arm arranged on the fuse hood, which extends in the plugging direction. The locking arm arranged on the fuse cover engages under the circuit board in order to arrange the connector on the circuit board.

Darüber hinaus ist angedacht, dass der Kontaktträger in seiner Montagestellung in demjenigen Raum angeordnet ist, in welchen der Rastarm zur Einnahme der Lösestellung zu verlagern ist und so die Verlagerungsbewegung des Rastarmes in die Lösestellung blockiert. Vorteilhafterweise ist vorgesehen, dass die Primärsicherung wenigstens zwei einander gegenüberliegende Rastarme aufweist, wobei der Raum zur Anordnung des Kontaktträgers in seiner Montagestellung zwischen den Rastarmen aufgespannt wird.In addition, it is contemplated that the contact carrier is arranged in its assembly position in the space in which the locking arm for moving to the release position is to be shifted and thus blocks the shifting movement of the locking arm into the release position. It is advantageously provided that the primary fuse has at least two opposing latching arms, the space for arranging the contact carrier in its assembly position being spanned between the latching arms.

Weiterhin ist angedacht, dass die Primärsicherung wenigstens zwei paarweise nebeneinander angeordnete Rastarme umfasst, deren Rastorgane unterschiedliche Rastgeometrien aufweisen.It is also contemplated that the primary fuse comprises at least two locking arms arranged in pairs next to one another, the locking elements of which have different locking geometries.

Es ist vorgesehen, dass das Rastorgan des ersten Rastarms eine die Leiterplatte untergreifende Rastfläche aufweist, welche im Wesentlichen orthogonal zur Steckrichtung des Steckverbinders ausgerichtet ist. Die Rastfläche ist also in etwa parallel zur Unterseite der Leiterplatte ausgerichtet. Der Steckverbinder ist so gegen Zugkraft gesichert. Die Haltekraft des ersten Rastarmes liegt bei bis zu 60 Newton.It is provided that the latching member of the first latching arm has a latching surface which engages under the printed circuit board and which is oriented essentially orthogonally to the plugging direction of the connector. The latching surface is thus aligned approximately parallel to the underside of the circuit board. The connector is secured against tensile force. The holding force of the first locking arm is up to 60 Newtons.

Weiterhin ist vorgesehen, dass das Rastorgan des zweiten Rastarmes eine die Leiterplatte zumindest teiluntergreifende Rastfläche aufweist, welche ausgehend vom Rastarm in Steckrichtung abfallen ausgebildet ist. Der Rastarm dient zunächst dem Toleranzausgleich zwischen dem Kontaktträger des Steckverbinders und der Leiterplatte. Die Leiterplatte wird je nach Leiterplattenstärke von der abfallenden Rastfläche vollständig oder wenigstens teiluntergriffen und bietet dem Steckverbinder zusätzlich zur ersten Rastfläche Halt an der Leiterplatte.Furthermore, it is provided that the latching member of the second latching arm has a latching surface which engages at least partially beneath the circuit board and which, starting from the latching arm, is designed to drop in the plugging direction. The latch arm first serves to compensate for tolerances between the contact carrier of the connector and the circuit board. Depending on the thickness of the printed circuit board, the falling latching surface completely or at least partially undermines the printed circuit board and, in addition to the first latching surface, offers the connector hold on the circuit board.

In einer besonders bevorzugten Ausführungform schließt der Winkel zwischen der abfallenden Rastfläche mit der Leiterplatte einen Winkel von 20° ein und ermöglicht so einen Toleranzausgleich von bis zu 10% der Nennstärke der Leiterplatte.In a particularly preferred embodiment, the angle between the sloping latching surface with the printed circuit board encloses an angle of 20 ° and thus enables tolerance compensation of up to 10% of the nominal thickness of the printed circuit board.

Weiterhin ist es vorgesehen, dass die Sicherungshaube zwei einander gegenüberliegend angeordnete und in Steckrichtung orientierte Rastarmpaare aufweist. Die Rastarme der unterschiedlichen Rastarmpaare mit Rastorganen gleicher Geometrie liegen einander diagonal gegenüber.Furthermore, it is provided that the securing hood has two locking arm pairs arranged opposite one another and oriented in the plugging direction. The locking arms of the different locking arm pairs with locking elements of the same geometry lie diagonally opposite one another.

Durch die diagonal gegenüberliegende Anordnung der Rastorgane gleich ausgestalteter Geometrie wird zum einen das Verkippen des Steckverbinders in der Leiterplatte verhindert und zum anderen ein Schutz gegen erhöhte Zugkraft gewährleistet.The diagonally opposite arrangement of the locking elements of the same design geometry prevents the plug connector from tilting in the circuit board and also ensures protection against increased tensile force.

Um den Steckverbinder von der Leiterplatte zu lösen, ist es vorgesehen, dass jeder Rastarme einen Lösenocken aufweist, der der Rückverlagerung des Rastorgans in den Raum der Lösestellung dient, um den Steckverbinder von der Leiterplatte zu trennen, wobei der Kontaktträger in Vormontagestellung verlagert ist. Der Kontaktträger muss sich vor dem Lösen des Steckverbinders von der Leiterplatte in der Vormontagestellung befinden, um eine Blockierung der Rastarme der Primärsicherung zu vermeiden.In order to detach the connector from the circuit board, it is provided that each latching arm has a releasing cam which serves to move the latching member back into the space of the release position in order to separate the connector from the circuit board, the contact carrier being displaced in the preassembly position. The contact carrier must be in the pre-assembly position before the connector is detached from the circuit board to prevent the locking arms of the primary fuse from blocking.

Die Lösenocken der Rastarme sind allerdings optional und damit kein zwingendes Merkmale der Rastarme.The release cams of the locking arms are optional and therefore not a mandatory feature of the locking arms.

Die Erfindung wird nun anhand von Ausführungsbeispielen erläutert, woraus weitere Vorteile der Erfindung ersichtlich werden. Es zeigen:

Fig. 1:
Explosionsdarstellung einer ersten Ausführungsform eines erfindungsgemäßen Steckverbinders mit als Raststift ausgebildeter Sekundärsicherung und Leiterplatte,
Fig. 2a:
Seitenansicht des Raststifts gemäß Fig. 1,
Fig. 2b:
Ausschnittsvergrößerung gemäß Ausschnittskreis IIb in Fig. 2a mit Ansicht der Rastvorsprünge des Raststiftes,
Fig. 3:
Ansicht von oben auf das Kopfteil des Raststiftes gemäß Fig. 2a mit Werkzeugansatz,
Fig. 4:
Ansicht von oben auf eine Leiterplatte,
Fig. 5:
perspektivische Ansicht des Kontaktträgers des Steckverbinders gemäß Fig. 1 von oben,
Fig. 6:
perspektivische Ansicht des Kontaktträgers gemäß Fig. 5 von unten,
Fig. 7:
perspektivische Seitenansicht des Kontaktträgers gemäß Fig. 5,
Fig. 8:
Schnittdarstellung eines ersten Rastarmes einer Primärverriegelung des Steckverbinders gemäß Fig. 1 entlang der Schnittebene XII-XII gemäß Fig. 7,
Fig. 9:
Schnittdarstellung eines zweiten Rastarmes einer Primärverriegelung des Steckverbinders gemäß Fig. 1 entlang der Schnittebene XIV-XIV gemäß Fig. 7,
Fig. 10:
Ansicht des Steckverbinders gemäß Fig. 1 von oben, welcher auf der Leiterplatte gemäß Fig. 4 aufsitzt,
Fig. 11:
Ansicht von unten auf die Leiterplatte gemäß Fig. 4 mit angeordnetem Steckverbinder gemäß Fig. 1 und Raststift in Entriegelstellung,
Fig. 12:
Ansicht des auf der Leiterplatte gemäß Fig. 4 angeordneten Steckverbinders gemäß Fig. 1 mit Raststift in Riegelstellung,
Fig. 13:
Ansicht von unten auf die Leiterplatte gemäß Fig. 4 mit angeordnetem Steckverbinder gemäß Fig. 1 und Raststift in Verriegelungsstellung,
Fig. 14:
perspektivische Ansicht von unten des auf der Leiterplatte angeordneten Steckverbinders gemäß Fig. 1 mit Raststift in Riegelstellung,
Fig. 15:
Explosionsdarstellung einer zweiten Ausführungsform des Steckverbinders,
Fig. 16:
Ansicht des Steckverbinders gemäß Fig. 15 von oben,
Fig. 17:
Schnittdarstellung des Steckverbinders gemäß Fig. 15 entlang der Schnittebene XV-XV gemäß Fig. 16 mit Kontaktträger in Vormontagestellung,
Fig. 18:
Schnittdarstellung des Steckverbinders gemäß Fig. 15 entlang der Schnittebene XVI-XVI gemäß Fig. 16 mit Kontaktträger in Montagestellung.
The invention will now be explained on the basis of exemplary embodiments, from which further advantages of the invention will become apparent. Show it:
Fig. 1:
Exploded view of a first embodiment of a connector according to the invention with a secondary fuse designed as a locking pin and a printed circuit board,
Fig. 2a:
Side view of the locking pin according to Fig. 1 .
Fig. 2b:
Section enlargement according to section circle IIb in Fig. 2a with view of the locking projections of the locking pin,
Fig. 3:
Top view of the head part of the locking pin according to Fig. 2a with tool attachment,
Fig. 4:
Top view of a circuit board,
Fig. 5:
perspective view of the contact carrier of the connector according to Fig. 1 from above,
Fig. 6:
perspective view of the contact carrier according to Fig. 5 from underneath,
Fig. 7:
perspective side view of the contact carrier according to Fig. 5 .
Fig. 8:
Sectional view of a first locking arm of a primary locking of the connector according to Fig. 1 along the section plane XII-XII according to Fig. 7 .
Fig. 9:
Sectional view of a second locking arm of a primary locking of the connector according to Fig. 1 along the section plane XIV-XIV according to Fig. 7 .
Fig. 10:
View of the connector according to Fig. 1 from above, which according to the circuit board Fig. 4 seated,
Fig. 11:
Bottom view of the circuit board according to Fig. 4 with arranged connector according to Fig. 1 and locking pin in unlocked position,
Fig. 12:
View of the on the circuit board according to Fig. 4 arranged connector according to Fig. 1 with locking pin in locking position,
Fig. 13:
Bottom view of the circuit board according to Fig. 4 with arranged connector according to Fig. 1 and locking pin in the locked position,
Fig. 14:
perspective view from below of the connector arranged on the circuit board according to Fig. 1 with locking pin in locking position,
Fig. 15:
Exploded view of a second embodiment of the connector,
Fig. 16:
View of the connector according to Fig. 15 from above,
Fig. 17:
Sectional view of the connector according to Fig. 15 along the section plane XV-XV according to Fig. 16 with contact carrier in pre-assembly position,
Fig. 18:
Sectional view of the connector according to Fig. 15 along the section plane XVI-XVI according to Fig. 16 with contact carrier in assembly position.

In den Figuren ist ein erfindungsgemäßer Steckverbinder insgesamt mit der Bezugsziffer 10 versehen.In the figures, a connector according to the invention is provided with the reference number 10 overall.

In den Figur 1 bis 14 ist eine erste Ausführungsform des Steckverbinders 10 offenbart. Eine zweite Ausführungsform ist in den Figuren 15 bis 18 gezeigt. Baugleiche oder gleichwirkende Bauteile sind mit identischen Bezugszeichen und Begriffen benannt. Soweit nichts Abweichendes aufgeführt ist, gelten die Ausführungen zu einem Ausführungsbeispiel sinngemäß für die alternative Ausführungsform.In the Figure 1 to 14 A first embodiment of the connector 10 is disclosed. A second embodiment is shown in FIGS Figures 15 to 18 shown. Components that are identical in construction or have the same effect are identified with identical reference symbols and terms. Unless otherwise stated, the explanations for an exemplary embodiment apply mutatis mutandis to the alternative embodiment.

In der Fig. 1 ist neben dem Steckverbinder 10 mit einem Kontaktträger 11 und einer Sekundärsicherung 26, eine Leiterplatte 19 dargestellt.In the Fig. 1 In addition to the connector 10 with a contact carrier 11 and a secondary fuse 26, a printed circuit board 19 is shown.

Der Steckverbinder 10 weist den Kontaktträger 11 auf, welcher ein Gehäuse 13 für Steckkontakte 12 bildet. Das Gehäuse 13 des Kontaktträgers 11 ist mit Leitereinschubkanälen 14 versehen, die der Aufnahme von hier nicht dargestellten Anschlussleitern dienen. Diese werden über Schneidklemmgabeln 48 mit den Steckkontakten 12 elektrisch verbunden. Die Steckkontakte 12 bilden die Kontaktfinger 49, welche die Kontaktöffnung 36 einer Leiterplatte 19 untergreifen, sobald der Steckverbinder 10 an der Leiterplatte 19 angeordnet ist, wie beispielsweise in Fig. 11 dargestellt.The connector 10 has the contact carrier 11, which forms a housing 13 for plug contacts 12. The housing 13 of the Contact carrier 11 is provided with conductor insertion channels 14, which serve to accommodate connecting conductors, not shown here. These are electrically connected to the plug contacts 12 via insulation displacement forks 48. The plug contacts 12 form the contact fingers 49 which engage under the contact opening 36 of a printed circuit board 19 as soon as the plug connector 10 is arranged on the printed circuit board 19, as for example in FIG Fig. 11 shown.

Zudem ist das Gehäuse 13 mit Kontaktausnehmungen 15 ausgestattet, in welche die Steckkontakte 12 eingeschoben werden. Das Gehäuse 13 trägt an seiner Außenfläche mehrere Kodierstifte 16, welche dem Steckverbinder 10 in Steckrichtung vorspringen und den Steckverbinder 10 an der Leiterplatte 19 mit korrespondierender Kodierung, insbesondere in Form von Kodierbohrungen 37, zuordnen.In addition, the housing 13 is equipped with contact recesses 15 into which the plug contacts 12 are inserted. The housing 13 carries on its outer surface a plurality of coding pins 16 which project the connector 10 in the plugging direction and assign the connector 10 on the printed circuit board 19 with a corresponding coding, in particular in the form of coding bores 37.

Das Gehäuse 13 weist an seiner Frontseite 20 Rasthaken 21 auf, mittels derer mehrere Steckverbinder 10 zu Konfektionierungszwecken aneinander angeordnet werden können. Auf der Rückseite 22 des Kontaktträgers 11 bildet das Gehäuse 13 Konturen zur Aufnahme 23 von Rasthaken 21 aus, mittels derer weitere Steckverbinder 10 an dem Kontaktträger 11 anordenbar sind.The housing 13 has 20 latching hooks 21 on its front side, by means of which a plurality of plug connectors 10 can be arranged next to one another for assembly purposes. On the back 22 of the contact carrier 11, the housing 13 forms contours for receiving 23 latching hooks 21, by means of which further plug connectors 10 can be arranged on the contact carrier 11.

Weiterhin ist der Kontaktträger 11 mit einer Verpolungssicherung 18 ausgestattet. Die Verpolungssicherung 18 soll eine kurzschlussgefährdende Kontaktierung der Steckkontakte 12 mit den Kontaktöffnungen 36 der Leiterplatte 19 vermeiden. Die Verpolungssicherung 18 wird von drei der Unterseite des Kontaktträgers 11 entspringenden Polungsvorsprüngen 56 gebildet, wie beispielsweise in Fig. 6 dargestellt. Dabei sind bezüglich der Papierebene rechts zwei der Polungsvorsprünge 56 am Kontaktträger 11 ausgebildet, wohingegen links bezüglich der Papierebene nur ein Polungsvorspung 56 ausgebildet ist.Furthermore, the contact carrier 11 is equipped with a reverse polarity protection 18. The reverse polarity protection 18 is intended to avoid short-circuit contacting of the plug contacts 12 with the contact openings 36 of the printed circuit board 19. The polarity reversal protection 18 is formed by three polarity projections 56, which originate from the underside of the contact carrier 11, as for example in FIG Fig. 6 shown. Two of the polarity projections 56 are formed on the contact carrier 11 on the right with respect to the paper plane, whereas only one polarity projection 56 is formed on the left with respect to the paper plane.

Das Gehäuse 13 des Kontaktträgers 11 ist steckrichtungsparallel mit einer Bohrung 24 durchsetzt. Diese Bohrung 24 weist eine erste Kerbe 25A und eine zweite Kerbe 25B auf. Die zweite Kerbe 25B ist ein optionales und kein zwingendes Merkmal der Bohrung 24.The housing 13 of the contact carrier 11 is penetrated with a bore 24 parallel to the direction of insertion. This bore 24 has a first notch 25A and a second notch 25B. The second notch 25B is an optional and not a mandatory feature of the bore 24.

Die Bohrung 24 dient der Aufnahme der Sekundärsicherung 26, insbesondere in Form eines Raststiftes 27. Der Raststift 27 weist einen Kopfbereich 28 und einen stiftartigen Grundkörper 29 auf.The bore 24 serves to receive the secondary fuse 26, in particular in the form of a locking pin 27. The locking pin 27 has a head region 28 and a pin-like base body 29.

Die Fig. 2a zeigt den Raststift 27 in Seitenansicht. Der Außenumfang des stiftartigen Grundkörpers 29 des Raststiftes 27 wird teilumfänglich von Montagerastvorsprüngen 47 und Riegelrastvorsprüngen 33 umgeben. Die Montagerastvorsprünge 47 dient der Vormontage des Raststiftes 27 am Kontaktträger 11. Die Riegelrastvorsprünge 33 untergreifen die Leiterplatte 19 und halten den Steckverbinder 10 an der Leiterplatte 19.The Fig. 2a shows the locking pin 27 in side view. The outer circumference of the pin-like base body 29 of the locking pin 27 is partially surrounded by assembly locking projections 47 and locking latch projections 33. The assembly latching projections 47 serve for the pre-assembly of the latching pin 27 on the contact carrier 11. The latching latching projections 33 engage under the printed circuit board 19 and hold the plug connector 10 on the printed circuit board 19.

Die Riegelrastvorsprünge 33, welche vergrößert in Fig. 2b dargestellt sind, sind gewindeabschnittartig ausgebildet und dienen dem Verspannen des Kontaktträgers 11 an der Leiterplatte 19. Gleichzeitig ermöglicht die Gewindesteigung ebenfalls einen Ausgleich von Leiterplattentoleranzen.The locking latch projections 33, which are enlarged in Fig. 2b are formed like a thread section and serve to brace the contact carrier 11 on the circuit board 19. At the same time, the thread pitch also enables compensation of circuit board tolerances.

Der stiftartige Grundkörper 29 des Raststiftes 27 weist einen Schlitz 41 auf, der von einem ersten Seitenwand 40A und eine zweiten Seitenwand 40B begrenzt ist. Der Schlitz 41 ermöglicht eine durchmesserverkleinernde Rückverlagerung der Seitenwände 40A und 40B, welche die Riegelrastvorsprünge 33 tragen.The pin-like base body 29 of the locking pin 27 has a slot 41 which is delimited by a first side wall 40A and a second side wall 40B. The slot 41 enables the side walls 40A and 40B, which carry the locking latching projections 33, to be moved back in a diameter-reducing manner.

Im Kopfbereich 28 ist die Rippe 31 dargestellt. Diese kooperiert mit der ersten oder der zweiten Kerbe 25A, 25B der Bohrung 24 (siehe Fig. 1, Fig. 5). Diese Rippe 31 kooperiert je nach Riegelstellung des Raststifts 27 mit der ersten oder zweiten Kerbe 25A, 25B und hält so den Raststift 27 bzw. dessen Riegelrastvorsprünge 33 in der Riegel- oder Entriegelstellung der Sekundärsicherung 26.The rib 31 is shown in the head region 28. This cooperates with the first or the second notch 25A, 25B of the bore 24 (see Fig. 1 . Fig. 5 ). Depending on the locking position of the locking pin 27, this rib 31 cooperates with the first or second notch 25A, 25B and thus holds the locking pin 27 or whose locking catch projections 33 in the locking or unlocking position of the secondary lock 26.

Die Rippe 31 und der Kopfbereich 28 des Raststiftes 27 sind in der Fig. 3 gezeigt. Der Kopfbereich 28 bildet eine Nut 30A aus, welche der Aufnahme eines hier nicht dargestellten Werkzeuges dient und so den Raststift 27 in Riegel- oder Entriegelstellung verlagert. In die Nut 30A kann beispielsweise ein Schraubendreher eingeführt werden, mittels dessen sich der Raststift 27 in der Bohrung 24 um 90° drehen lässt.The rib 31 and the head region 28 of the locking pin 27 are in the Fig. 3 shown. The head region 28 forms a groove 30A, which serves to receive a tool, not shown here, and thus displaces the locking pin 27 in the locking or unlocking position. For example, a screwdriver can be inserted into the groove 30A, by means of which the locking pin 27 can be rotated through 90 ° in the bore 24.

Die Fig. 4 zeigt die Leiterplatte 19 von oben. Die Leiterplatte 19 bildet die Kontaktöffnungen 36 zur Aufnahme der Steckkontakte 12 des Kontaktträgers 11 aus. Weiterhin weist die Leiterplatte 19 einen in der Mitte der Leiterplatte 19 gebildeten Durchbruch 39 mit einer schlüssellochartigen Kontur auf. Diese Kontur unterteilt sich in einen Halmabschnitt 58 und einen Bartabschnitt 38. Der Halmabschnitt 58 dient der Aufnahme des stiftartigen Grundkörpers 29 des Raststiftes 27. Der Bartabschnitt 38 dient der Aufnahme eines Kodierstiftes 16 des Kontaktträgers 11. Beidseitig benachbart dieses Bartabschnittes 38 sind zwei Kodierbohrungen 37 in der Leiterplatte 19 ausgebildet, welche der Aufnahme der übrigen Kodierstifte 16 des Kontaktträges 11 dienen.The Fig. 4 shows the circuit board 19 from above. The printed circuit board 19 forms the contact openings 36 for receiving the plug contacts 12 of the contact carrier 11. Furthermore, the circuit board 19 has an opening 39 formed in the middle of the circuit board 19 with a keyhole-like contour. This contour is subdivided into a straw section 58 and a beard section 38. The straw section 58 serves to hold the pin-like base body 29 of the locking pin 27. The beard section 38 serves to hold a coding pin 16 of the contact carrier 11. Two coding holes 37 are adjacent to this beard section 38 on both sides of the printed circuit board 19, which serve to receive the other coding pins 16 of the contact carrier 11.

Benachbart des Durchbruchs 39 weist die Leiterplatte 19 ein erstes und ein zweites Langloch 35A, 35B auf. Diese Langlöcher 35A und 35B weisen Abschnitte auf, welche zum einen mit einer Primärsicherung 17 und zum anderen mit den Polungsvorsprünge 56 der Verpolungssicherung 18 kooperieren. Das Langloch 35A kooperiert zum einen mit der Primärsicherung 17 und mit einem Polungsvorsprung 56. Das Langloch 35B kooperiert mit der Primärsicherung 17 und mit zwei Polungsvorsprüngen 56 und ist dementsprechend länger ausgebildet als das Langloch 35A. Eine Fehlpositionierung des Steckverbinders 10 an der Leiterplatte 19 ist somit ausgeschlossen.Adjacent to the opening 39, the circuit board 19 has a first and a second elongated hole 35A, 35B. These elongated holes 35A and 35B have sections which on the one hand cooperate with a primary fuse 17 and on the other hand with the polarization projections 56 of the reverse polarity fuse 18. The elongated hole 35A cooperates on the one hand with the primary fuse 17 and with a polarization projection 56. The elongated hole 35B cooperates with the primary fuse 17 and with two polarization projections 56 and is accordingly longer than the elongated hole 35A. An incorrect positioning of the connector 10 on the printed circuit board 19 is therefore excluded.

Die Primärsicherung 17 ist beispielsweise in den Fig. 5 bis 7 dargestellt und dient der Anordnung des Kontaktträger 11 an der Leiterplatte 19. Die Primärsicherung 17 wird von zwei Rastarmpaaren ausgebildet. Jedes Rastarmpaar verfügt über einen ersten Rastarm 44 und einen zweiten Rastarm 45. Die Rastarme 44, 45 entspringen jeweils einer vom freien Ende abgewandten Rastarmwurzel 52, die am Kontaktträger 11 angeordnet ist. Die Rastarme 44, 45 weisen jeweils einen Lösenocken 53 auf, welche der Rückverlagerung der Rastarme 44, 45 in eine Lösestellung dienen, um den Steckverbinder 10 von Leiterplatte 19 zu trennen, wenn hier ein entsprechender Druck ausgeübt wird, wobei die Lösenocken ein optionales und somit kein zwingendes Merkmal der Rastarme 44, 45 sind.The primary fuse 17 is for example in the 5 to 7 shown and serves the arrangement of the contact carrier 11 on the circuit board 19. The primary fuse 17 is formed by two pairs of locking arms. Each locking arm pair has a first locking arm 44 and a second locking arm 45. The locking arms 44, 45 each spring from a locking arm root 52 facing away from the free end, which is arranged on the contact carrier 11. The locking arms 44, 45 each have a release cam 53, which are used to move the locking arms 44, 45 back into a release position in order to separate the connector 10 from the printed circuit board 19 when a corresponding pressure is exerted, the release cams being an optional and thus are not a mandatory feature of the locking arms 44, 45.

Die Rastarme 44, 45 weisen in an ihrem freien Ende Rastorgane 50 und 51 auf, welche verschiedenartige Rastflächen 54 und 55 aufweisen.The latching arms 44, 45 have latching members 50 and 51 in their free end, which have different latching surfaces 54 and 55.

In der Fig. 8 ist das erste Rastorgan 50 des zweiten Rastarmes 45 dargestellt. Das erste Rastorgan 50 des zweiten Rastarmes 45 bildet eine Rastfläche 54 aus, welche die Leiterplatte 19 untergreift. Diese Rastfläche 54 ist im Wesentlichen orthogonal zur Steckrichtung des Steckverbinders ausgerichtet, also in etwa parallel zur Unterseite 46 der Leiterplatte 19, wie es beispielsweise in der Fig. 11 und 13 zu entnehmen ist. Der Steckverbinder 10 ist so gegen eine Zugkraft, die beispielsweise von den nicht dargestellten Anschlussleitern aufgebracht werden kann, gesichert. Die Rastfläche 54 des ersten Rastorganes 50 ermöglicht eine Haltekraft von bis zu 60 Newton.In the Fig. 8 the first locking member 50 of the second locking arm 45 is shown. The first locking member 50 of the second locking arm 45 forms a locking surface 54 which engages under the printed circuit board 19. This latching surface 54 is aligned essentially orthogonally to the plugging direction of the connector, that is to say approximately parallel to the underside 46 of the printed circuit board 19, as is shown, for example, in FIG Fig. 11 and 13 can be seen. The connector 10 is thus secured against a tensile force that can be applied, for example, by the connection conductors, not shown. The latching surface 54 of the first latching member 50 enables a holding force of up to 60 Newtons.

In der Fig. 9 ist das zweite Rastorgan 51 des Rastarmes 44 dargestellt. Das zweite Rastorgan 51 des Rastarmes 44 weist eine Rastfläche 55 auf, welche ausgehend vom ersten Rastarm 44 in Steckrichtung abfallend ausgebildet ist.In the Fig. 9 the second locking member 51 of the locking arm 44 is shown. The second latching member 51 of the latching arm 44 has a latching surface 55 which, starting from the first latching arm 44, is designed to drop in the plugging direction.

Die Rastfläche 55 dient dem Toleranzausgleich zwischen dem Kontaktträger 11 und der Leiterplatte 19. Die an der Leiterplatte 19 angeordneten Rastarme 44 sind beispielsweise in den Fig. 11 und 13 dargestellt. Leiterplatten 19 mit Minimumstärke untergreift die abfallende Rastfläche 55 vollständig, so dass der nahe dem ersten Rastarm 44 gelegen Flächenursprung dem Steckverbinder 10 ergänzend zur Rastfläche 54 Halt an der Leiterplatte 19 bietet. Leiterplatten 19 mit einer Maximalstärke untergreift die abfallende Rastfläche 55 lediglich mit ihrem dem Ursprung abgewandten Ende, welches dem Steckverbinder 10 ergänzend zur Rastfläche 54 Halt bietet. Je nach Zwischenstärke von der Leiterplatte 19 findet ein Teiluntergreifen der Rastfläche 55 statt.The latching surface 55 serves to compensate for tolerances between the contact carrier 11 and the printed circuit board 19. The latching arms 44 arranged on the printed circuit board 19 are, for example, in FIGS Fig. 11 and 13 shown. Printed circuit boards 19 with a minimum thickness fully engage under the sloping latching surface 55, so that the surface origin located near the first latching arm 44 provides the connector 10 with support on the printed circuit board 19 in addition to the latching surface 54. Printed circuit boards 19 with a maximum thickness only engage under the sloping latching surface 55 with their end facing away from the origin, which offers the connector 10 support in addition to the latching surface 54. Depending on the intermediate thickness of the printed circuit board 19, a partial engagement under the latching surface 55 takes place.

In einer besonders bevorzugten Ausführung schließt die abfallende Rastfläche 55 mit der Unterseite 46 der Leiterplatte 19 einen Winkel von 20° ein und ermöglicht so ein Toleranzausgleich von bis zu 10% der Nennstärke der Leiterplatte 19. Auch die abfallende Rastfläche 55 trägt zur Verankerung des Steckverbinders 10 an der Leiterplatte 19 bei. Die durch sie kompensierbare Zugbelastung ist aufgrund der abfallend gerichteten Rastfläche 55 jedoch gering.In a particularly preferred embodiment, the sloping latching surface 55 forms an angle of 20 ° with the underside 46 of the printed circuit board 19 and thus enables a tolerance compensation of up to 10% of the nominal thickness of the printed circuit board 19. The falling latching surface 55 also helps to anchor the connector 10 on the circuit board 19 at. However, the tensile load that can be compensated for by them is low due to the sloping latching surface 55.

Die Rastarme 44, 45 eilen dem Kontaktträger 11 vor und sind zueinander parallel angeordnet. Der Steckverbinder 10 verfügt über zwei Rastarmpaaren, die an gegenüberliegenden Seiten des Steckverbinders 10 angeordnet sind. Die Rastorgane 50 und 51 gleicher Rastgeometrie liegen einander diagonal am Kontaktträger 11 gegenüber. Am Beispiel der Fig.11 lässt sich erkennen, dass das Rastorgan 51 des bezüglich der Papierebene linken Rastarmpaares vorne, das Rastorgan 50 hingegen hinten angeordnet ist. Das bezüglich der Papierebene rechte Rastarmpaar verfügt hingegen über ein vorn liegendes Rastorgan 50, wohingegen das Rastorgan 51 hinten gelegen ist. Auf diese Weise wird die vorerwähnte Diagonalität gewährleistet.The latching arms 44, 45 run ahead of the contact carrier 11 and are arranged parallel to one another. The connector 10 has two pairs of locking arms, which are arranged on opposite sides of the connector 10. The locking members 50 and 51 of the same locking geometry are located diagonally opposite one another on the contact carrier 11. Using the example of Figure 11 it can be seen that the locking element 51 of the locking arm pair on the left with respect to the paper plane is arranged at the front, while the locking element 50 is arranged at the rear. The locking arm pair on the right with respect to the paper plane, on the other hand, has a locking element 50 located at the front, whereas the locking element 51 is located at the rear. In this way, the aforementioned diagonality is guaranteed.

Durch die diagonal gegenüberliegenden Rastorgane 50 und 51 gleicher Ausgestaltung mit ihren Rastflächen 54 und 55 wird das Verkippen des Steckverbinders 19 unter Zugbelastung verhindert und somit die Kontaktstellenbelastung zwischen den Steckkontakten 12 und den Kontaktlöchern 36 vergleichmäßigt.The diagonally opposite latching members 50 and 51 of the same configuration with their latching surfaces 54 and 55 prevent the connector 19 from tilting under tensile load and thus equalize the contact point load between the plug contacts 12 and the contact holes 36.

In den Figuren 10 und 11 ist die Sekundärsicherung 26 in Entriegelstellung gelagert und in Ansicht von oben (Fig. 10) und von unten (Fig. 11) dargestellt. Die Entriegelstellung wird hier angezeigt, indem die Nut 30A auf das Wort "release" zeigt. Eine andere Form der optischen Anzeige ist möglich. In der Entriegelstellung kooperiert die Rippe 31 des Kopfbereiches 28 des Raststiftes 27 mit der ersten, dem Begriff "release" zugeordneten Kerbe 25A. In dieser Stellung halten die Rippe 31 und die erste Kerbe 25A den Raststiftes 27 in der Entriegelstellung. Ein selbstständiges Drehen des Raststiftes 27 bzw. durch Erschütterung ist nicht möglich. Die Sekundärsicherung 26 ist lediglich so in dem Halmabschnitt 58 des Durchbruches 39 gelagert, dass die Riegelrastvorsprünge 33 des Raststiftes 27 die Leiterplatte 19 nicht untergreifen.In the Figures 10 and 11 is the secondary lock 26 stored in the unlocked position and viewed from above ( Fig. 10 ) and from below ( Fig. 11 ). The unlocked position is indicated here by the groove 30A pointing to the word "release". Another form of visual display is possible. In the unlocked position, the rib 31 of the head region 28 of the locking pin 27 cooperates with the first notch 25A associated with the term “release”. In this position, the rib 31 and the first notch 25A hold the locking pin 27 in the unlocked position. An independent turning of the locking pin 27 or by vibration is not possible. The secondary fuse 26 is only mounted in the straw section 58 of the opening 39 in such a way that the locking catch projections 33 of the catch pin 27 do not engage under the printed circuit board 19.

In den Figuren 12 bis 14 ist der Raststift 27 in Riegelstellung verlagert. Der drehbar gelagerte Raststift 27 ermöglicht es den Kontaktträger 11 mit der Leiterplatte 19 zu verspannen, indem der Raststift 27 bei auf der Leiterplatte 19 montiertem Steckverbinder 10 von der Entriegelstellung in die Riegelstellung verdreht wird. Der Raststift 27 ist in Riegelstellung so im Halmbereich 58 des Durchbruches 39 gelagert, dass die Riegelrastvorsprünge 33 des Riegelstiftes 27 die Leiterplatte 19 untergreifen und durch die gewindeabschnittartige Ausgestaltung der Riegelrastvorsprünge 33 den Kontaktträger 11 mit der Leiterplatte 19 verspannen.In the Figures 12 to 14 the locking pin 27 is shifted into the locking position. The rotatably mounted locking pin 27 enables the contact carrier 11 to be clamped to the printed circuit board 19 by rotating the locking pin 27 from the unlocked position into the locking position when the connector 10 is mounted on the printed circuit board 19. The locking pin 27 is mounted in the locking position in the stalk region 58 of the opening 39 in such a way that the locking catch projections 33 of the locking pin 27 engage under the printed circuit board 19 and, due to the thread-section-like design of the locking catch projections 33, clamp the contact carrier 11 with the printed circuit board 19.

Alternativ kann sich der Raststift 27 beim Aufsetzen auf der Leiterplatte 19 bereits in Riegelstellung befinden. Dann laufen die Riegelrastvorsprünge 33 auf den Rand des Durchbruchs 39 auf. Der vertikal im Raststift 27 angeordnete Schlitz 41 ermöglicht beim Fortführen des Raststifts eine rückstellelastische Rückverlagerung der Riegelrastvorsprünge 33 des Raststifts 27, so dass diese durch den Durchbruch 39 hindurch tauschen und so die Leiterplatte 19 untergreifen.Alternatively, the locking pin 27 can already be in the locking position when it is placed on the printed circuit board 19. Then the locking catch projections 33 run onto the edge of the opening 39. The slot 41, which is arranged vertically in the locking pin 27, enables the locking locking projections 33 of the locking pin 27 to be moved back in a resilient manner when the locking pin is continued, so that they swap through the opening 39 and thus engage under the printed circuit board 19.

In der Riegelstellung des Raststiftes 27, kooperiert die Rippe 31 des Kopfbereiches 28 des Raststiftes 27 nun mit der zweiten Kerbe 25B der Bohrung 24. Die Riegelstellung ist mit dem Wort "lock" gekennzeichnet. Die Nut 30A weist auf das Wort "lock". Der Steckverbinder 10 ist an der Leiterplatte 19 sicher montiert.In the locking position of the locking pin 27, the rib 31 of the head region 28 of the locking pin 27 now cooperates with the second notch 25B of the bore 24. The locking position is identified by the word "lock". The groove 30A points to the word "lock". The connector 10 is securely mounted on the circuit board 19.

In den Figuren 15 bis 18 ist eine zweite Ausführungsform des Steckverbinders 10 offenbart. Zusätzlich zu den benannten Bauteilen des Steckverbinders 10 der ersten Ausführungsform, weist dieser Steckverbinder 10 eine Sicherungshaube 60 auf.In the Figures 15 to 18 A second embodiment of the connector 10 is disclosed. In addition to the named components of the connector 10 of the first embodiment, this connector 10 has a fuse cover 60.

In der Fig. 15 ist neben dem Steckverbinder 10 mit Kontaktträger 11 und Sicherungshaube 60, die Leiterplatte 19 dargestellt.In the Fig. 15 In addition to the connector 10 with contact carrier 11 and fuse cover 60, the printed circuit board 19 is shown.

Die Sicherungshaube 60 umgibt den Kontaktträger 11 außenumfänglich, wobei der Kontaktträger 11 in der Sicherungshaube 60 beweglich angeordnet ist. Der Kontaktträger 11 weist steckrichtungsparallel Riegelzapfen 61 auf, welche dem Kontaktträger 11 voreilen und diesen in der Sicherungshaube 60 in Vormontagestellung positionieren.The fuse hood 60 surrounds the contact carrier 11 on the outside, the contact carrier 11 being arranged movably in the fuse hood 60. The contact carrier 11 has locking pins 61 parallel to the direction of insertion, which lead the contact carrier 11 and position it in the fuse cover 60 in the preassembly position.

Zudem bildet der Kontaktträger 11 Rastprofile 63 und Rastnuten 66 aus, welche dem Kontaktträger 11 in Steckrichtung voreilen und entsprechend der Vor- oder Montagestellung des Kontaktträgers 11 in der Sicherungshaube 60 mit Raststegen 65 der Sicherungshaube 60 kooperieren.In addition, the contact carrier 11 forms latching profiles 63 and latching grooves 66, which lead the contact carrier 11 in the plugging direction and in accordance with the pre-or assembly position of the contact carrier 11 in FIG Fuse hood 60 cooperate with locking bars 65 of fuse hood 60.

Weiterhin weist der Kontaktträger 11 Rastlaschen 62 auf, welche dem Gehäuse 13 an den jeweils kurzen Seiten des Kontaktträgers 11 entspringen. Die Rastlaschen 62 sind rückstellelastisch ausgebildet und kooperieren mit Rastöffnungen 64, welche von der Sicherungshaube 60 ausgebildet werden, wie es in Fig. 16 dargestellt ist. Durch die Kooperation von Rastlaschen 62 und Rastöffnungen 64 wird der Kontaktträger 11 an der Sicherungshaube 60 verrastet. Durch Druck können die Rastlaschen 62 rückverlagert werden, so dass der Kontaktträger 11 von der Sicherungshaube 60 gelöst werden kann.Furthermore, the contact carrier 11 has latching tabs 62, which originate from the housing 13 on the short sides of the contact carrier 11. The latching tabs 62 are resilient and cooperate with latching openings 64, which are formed by the securing hood 60, as shown in FIG Fig. 16 is shown. Through the cooperation of locking tabs 62 and locking openings 64, the contact carrier 11 is locked on the fuse cover 60. The locking tabs 62 can be moved back by pressure, so that the contact carrier 11 can be detached from the securing hood 60.

Zudem bildet die Rastlasche 62 eine Rastnase 67 aus, die mit einer korrespondieren Rastausnehmung 68, welche von der Sicherungshaube 60 ausgebildet wird, kooperiert. Sobald der Kontaktträger 11 in Montagestellung bewegt wird, wirkt die Rastnase 67 mit der Rastausnehmung 68 zusammen, wie in der Schnittdarstellung in Fig. 17 dargestellt. Die Rastnase 67 taucht durch die Rastausnehmung 68 hindurch und befestigt so den Kontaktträger 11 zusätzlich in der Sicherungshaube 60. Durch die Rückverlagerung der Rastlaschen 62 werden auch die Rastnasen rückverlagert, sodass der Kontaktträger 11 von der Sicherungshaube gelöst werden kann.In addition, the latching tab 62 forms a latching lug 67, which cooperates with a corresponding latching recess 68, which is formed by the securing hood 60. As soon as the contact carrier 11 is moved into the assembly position, the latching nose 67 interacts with the latching recess 68, as in the sectional illustration in FIG Fig. 17 shown. The locking lug 67 dips through the locking recess 68 and in this way additionally fastens the contact carrier 11 in the securing hood 60. By moving the locking tabs 62 back, the locking lugs are also moved back, so that the contact carrier 11 can be released from the securing hood.

Im Gegensatz zu der ersten Ausführungform des Steckverbinders 10, entspringen die Primärsicherung 17, die Verpolungssicherung 18 und die Kodierstifte 16 der Sicherungshaube 60 nicht dem Kontaktträger 11. Die Primärsicherung 17 weist in dieser zweiten Ausführungsform des Steckverbinders 10 beidseitig identische Rastarmpaare 44 auf, welche mit den Rastorganen 51 ausgebildet sind. Die Rastorgane weisen die Rastfläche 55 auf, welche dem Toleranzausgleich zwischen Kontaktträger 11 und der Leiterplatte 19 dienen.In contrast to the first embodiment of the connector 10, the primary fuse 17, the reverse polarity protection 18 and the coding pins 16 of the fuse cover 60 do not originate from the contact carrier 11. In this second embodiment of the connector 10, the primary fuse 17 has identical locking arm pairs 44 on both sides, which correspond to the Locking elements 51 are formed. The locking members have the locking surface 55, which serve to compensate for tolerances between the contact carrier 11 and the printed circuit board 19.

Es ist allerdings auch denkbar, dass die Primärsicherung 17 identisch der ersten Ausführungsform des Steckverbinders 10 ausgestaltet ist, wie beispielsweise in Fig. 5 dargestellt.However, it is also conceivable that the primary fuse 17 is configured identically to the first embodiment of the connector 10, as for example in FIG Fig. 5 shown.

Auch die Verpolungssicherung 18 kann entsprechend der ersten Ausführungsform des Steckverbinders 10 ausgestaltet sein, wie es exemplarisch der Fig. 6 zu entnehmen ist.The reverse polarity protection 18 can also be designed in accordance with the first embodiment of the connector 10, as is the example of the Fig. 6 can be seen.

Zur Konfektionierung des Steckverbinders 10 an der Leiterplatte 19 müssen die Kontaktfinger 49 der Steckkontakte 12 in die Kontaktöffnungen 36 der Leiterplatte 19 aufgenommen werden, um eine elektrische Kontaktierung herzustellen.To assemble the connector 10 on the printed circuit board 19, the contact fingers 49 of the plug contacts 12 must be received in the contact openings 36 of the printed circuit board 19 in order to produce electrical contact.

Der Kontaktträger 11 wird mittels Riegelzapfen 61 in der Sicherungshaube 60 positioniert, wobei die Rastnuten 66 des Kontaktträger 11 in Vormontagestellung mit den Raststegen 65 des Sicherungshaube 60 kooperieren. Die Steckkontakte 12 sind in den Kontaktausnehmungen 15 des Kontaktträgers 11 eingeschoben. Da der Kontaktträger 11 und dementsprechend auch die Steckkontakte 12 in der Vormontagestellung beabstandet von der Leiterplatte 19 vorliegen, ist eine elektrische Kontaktierung des Steckverbinders 10 mit der Leiterplatte 19 in der Vormontagestellung des Steckverbinders 10 ausgeschlossen.The contact carrier 11 is positioned in the securing hood 60 by means of locking pins 61, the locking grooves 66 of the contact carrier 11 cooperating with the locking webs 65 of the securing hood 60 in the preassembled position. The plug contacts 12 are inserted into the contact recesses 15 of the contact carrier 11. Since the contact carrier 11 and, accordingly, also the plug contacts 12 are spaced apart from the printed circuit board 19 in the preassembly position, electrical contacting of the plug connector 10 with the printed circuit board 19 in the preassembled position of the plug connector 10 is excluded.

Um den Steckverbinder 10 fertig zu konfektionieren, wird der Kontaktträger 11 in Steckrichtung bewegt und somit in Montagestellung verlagert. Die Raststege 66 greifen nun in die Rastprofile 63 des Kontaktträgers 11 ein und ordnen so den Kontaktträger 11 in der Sichererungshaube 60 an. Zusätzlich rasten die Rastlaschen 62 an den Rastöffnungen 64 der Sicherungshaube 60 fest. Mit der Verlagerung des Kontaktträgerträgers 11 in Steckrichtung werden neben den Kodierstiften 16, welche die Kodierbohrungen 37 der Leiterplatte 19 durchdringen auch, die Steckkontakte 12 in Steckrichtung verlagert. Dadurch kooperieren die Kontaktfinger 49 der Steckkontakte 12 mit den Kontaktöffnungen 36 in der Leiterplatte 19 und ermöglichen so die elektrische Kontaktierung.In order to completely assemble the plug connector 10, the contact carrier 11 is moved in the plugging direction and thus shifted into the assembly position. The locking webs 66 now engage in the locking profiles 63 of the contact carrier 11 and thus arrange the contact carrier 11 in the fuse cover 60. In addition, the latching tabs 62 snap onto the latching openings 64 of the securing hood 60. With the displacement of the contact carrier 11 in the plug-in direction, in addition to the coding pins 16 which also penetrate the coding bores 37 of the printed circuit board 19, the plug contacts 12 shifted in the direction of insertion. As a result, the contact fingers 49 of the plug contacts 12 cooperate with the contact openings 36 in the printed circuit board 19 and thus make electrical contacting possible.

Die Fig. 17 zeigt den in Vormontagestellung befindlichen Steckverbinder 10 an der Leiterplatte 19.The Fig. 17 shows the connector 10 in the preassembly position on the printed circuit board 19.

In der Fig. 17 ist die Sicherungshaube 60 der Leiterplatte 19 angeordnet. Die Rastflächen 55 der Rastarme 44 untergreifen die Leiterplatte 19 und legen die Sicherungshaube 60 an der Leiterplatte 19 fest.In the Fig. 17 the fuse cover 60 of the circuit board 19 is arranged. The latching surfaces 55 of the latching arms 44 engage under the printed circuit board 19 and fix the fuse cover 60 on the printed circuit board 19.

Der Kontaktträger 11 ist in Vormontagestellung in der Sicherungshaube 60 angeordnet. Die Riegelzapfen 61 des Kontaktträgers 11 sitzen in einem oberen Bereich A oberhalb der Rastarme 44. Somit ist der für eine lösende Rückverlagerung der Rastarme erforderliche Bewegungsraum frei. Die Rastarme 44 können mittels Druck auf die Lösenocken 53 in den Bewegungsraum rückverlagert werden und so die Sicherungshaube 60 leicht von der Leiterplatte 19 gelöst werden.The contact carrier 11 is arranged in the pre-assembled position in the fuse cover 60. The locking pins 61 of the contact carrier 11 are seated in an upper region A above the locking arms 44. The movement space required for relocating the locking arms back is thus free. The locking arms 44 can be moved back into the movement space by pressure on the release cams 53 and the safety hood 60 can thus be easily removed from the printed circuit board 19.

Wird der Kontaktträger 11, wie in Fig. 18 dargestellt, in der Sicherungshaube 60 in Montagestellung verlagert, werden die Riegelzapfen 61 in Steckrichtung bewegt und dringen in den vorerwähnten Bewegungsraum ein und blockieren so die lösende Rückverlagerung der Rastarme 44. Aufgrund der Blockierung ist es nunmehr unmöglich, den Steckverbinder 10 von der Leiterplatte 19 zu lösen. Eine sichere und dauerhafte Kontaktierung ist dadurch gewährleistet.If the contact carrier 11, as in Fig. 18 Shown in the securing hood 60 in the assembly position, the locking pins 61 are moved in the plugging direction and penetrate into the aforementioned movement space and thus block the relocating relocation of the latching arms 44. Because of the blocking, it is now impossible to close the connector 10 from the printed circuit board 19 to solve. This ensures safe and permanent contact.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1010
SteckverbinderConnectors
1111
Kontaktträgercontact support
1212
Steckkontaktplug contact
1313
Gehäusecasing
1414
LeitereinschubkanalHead insertion channel
1515
Kontaktausnehmungcontact recess
1616
KodierstiftPolarizing
1717
Primärsicherungprimary fuse
1818
VerpolungssicherungVerpolungssicherung
1919
Leiterplattecircuit board
2020
Frontseitefront
2121
Rasthakenlatch hook
2222
Rückseiteback
2323
Konturen zur Aufnahme von 21Contours to accommodate 21
2424
Bohrungdrilling
25A25A
erste Kerbefirst notch
25B25B
zweite Kerbesecond notch
2626
SekundärsicherungSecondary fuse
2727
RaststiftPlunger
2828
Kopfbereichhead area
2929
Grundkörperbody
3030
Werkzeugansatztool attachment
30A30A
Nutgroove
3131
Ripperib
3333
RiegelrastvorsprüngeBolt locking projections
35A35A
erstes Langlochfirst slot
35B35B
zweites Langlochsecond slot
3636
Kontaktöffnungencontact openings
3737
KodierbohrungKodierbohrung
3838
BartabschnittBart section
3939
Durchbruchbreakthrough
40A40A
erste Seitenwand von 29first side wall of 29
40B40B
zweite Seitenwand von 29second sidewall of 29
4141
Schlitzslot
42A42A
Seite A von 24Page A of 24
42B42B
Seite B von 24Page B of 24
4444
erster Rastarmfirst locking arm
4545
zweiter Rastarmsecond locking arm
4646
Unterseite von 19Bottom of 19th
4747
MontagerastvorsprüngeMounting catch projections
4848
SchneidklemmgabelIDC fork
4949
Kontaktfingercontact fingers
5050
erstes Rastorganfirst locking member
5151
zweites Rastorgansecond locking member
5252
RastarmwurzelRastarmwurzel
5353
Lösenockenrelease cam
5454
erste Rastflächefirst resting area
5555
zweite Rastflächesecond resting area
5656
PolungsvorsprungPolungsvorsprung
5858
Halmabschnittstem portion
6060
Sicherungshaubefuse cap
6161
Riegelzapfenlocking pin
6262
RasttascheRest case
6363
Rastprofilcatch profile
6464
Rastöffnunglatching opening
6565
Raststeglatching web
6666
Rastnutenlocking grooves
6767
Rastnaselocking lug
6868
Rastausnehmungrecess
AA
oberer Bereich der Rastarme 44upper area of the locking arms 44
IIbIIb
Ausschnittskreiscutout circle

Claims (6)

  1. Plug connector (10), in particular direct plug connector for contacting contact openings (36) of a circuit board (19),
    - with a contact carrier (11) which can have encoding means, in particular encoding pins (16) and a reverse polarity fuse (18), in particular in the form of polarity projections (56),
    - with conductor insert channels (14) formed by the contact carrier (11) to receive connecting conductors and contact recesses (15) to receive plug contacts (12),
    - with a retaining cover (60) which surrounds the contact carrier (11), wherein the contact carrier (11) can be shifted displaceably between an assembly position and a pre-assembly position in the retaining cover (60) in the plug-in direction of the plug connector (10),
    - with a primary fuse (17) holding the plug connector (10) on the circuit board (19), said primary fuse being part of the retaining cover (60), wherein the primary fuse (17) can be shifted from a lock position into a release position,
    - with a contact carrier (11), which, in its assembly position inside the retaining cover (60), holds the primary fuse (17) in its lock position,
    characterised in that the plug connector (10) is provided with a primary fuse (17), which comprises at least one locking arm (44, 45) arranged on the retaining cover (60), which extends in the plug-in direction, the contact carrier (11) is arranged in its assembly position in the space in which the locking arm (44, 45) is to be shifted to adopt the release position and thus locks the shifting movement of the locking arm (44, 45) into the release position.
  2. Plug connector (10) according to claim 1, characterised in that the primary fuse (17) has at least two locking arms (44, 45) opposite one another, wherein the space for arranging the contact carrier (11) in its assembly position spans between the locking arms (44, 45).
  3. Plug connector (10) according to claim 1, characterised in that the primary fuse (17) comprises at least two locking arms (44, 45) arranged beside one another in pairs, whose locking bodies (50, 51) have different locking geometries, wherein the locking body (50) of the first locking arm (45) has a locking surface (54) engaging under the circuit board, which is aligned substantially orthogonally to the plug-in direction of the plug connector (10) in order to secure the plug connector (10) against a pulling force, and the locking body (51) of the second locking arm (44) has a locking surface (55) at least partially engaging under the circuit board (19) which is formed proceeding from the locking arm (44) sloping in the plug-in direction in order to serve the tolerance compensation between contact carrier (11) and circuit board (19) .
  4. Plug connector (10) according to any one of the preceding claims, characterised in that the retaining cover (60) has two locking arm pairs arranged opposite one another and oriented in the plug-in direction.
  5. Plug connector (10) according to claim 4, characterised in that locking arms (44, 45) of different locking arm pairs with locking bodies (50, 51) of the same geometry are diagonally opposed to one another.
  6. Plug connector (10) according to any one of the preceding claims, characterised in that each locking arm (44, 45) has a release cam (53) which serves to shift the locking body (50, 51) back into the space of the release position in order to separate the plug connector (10) from the circuit board (19), wherein the contact carrier (11) is shifted into the pre-assembly position.
EP18200624.7A 2018-01-25 2018-10-16 Connector with latching securing hood Active EP3518347B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI201830061T SI3518347T1 (en) 2018-01-25 2018-10-16 Connector with latching securing hood

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018101669.7A DE102018101669B3 (en) 2018-01-25 2018-01-25 Connector with locking safety cover

Publications (2)

Publication Number Publication Date
EP3518347A1 EP3518347A1 (en) 2019-07-31
EP3518347B1 true EP3518347B1 (en) 2020-02-26

Family

ID=63878366

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18200624.7A Active EP3518347B1 (en) 2018-01-25 2018-10-16 Connector with latching securing hood

Country Status (4)

Country Link
EP (1) EP3518347B1 (en)
DE (1) DE102018101669B3 (en)
ES (1) ES2784006T3 (en)
SI (1) SI3518347T1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU101643B1 (en) * 2020-02-13 2021-08-13 Phoenix Contact Gmbh & Co Plug contact element, direct plug connector, method for producing a plug contact element and method for producing a direct plug connector
LU101642B1 (en) * 2020-02-13 2021-08-13 Phoenix Contact Gmbh & Co Connector, plug-in contact carrier, housing and method for producing a connector
DE202021101264U1 (en) * 2021-03-12 2022-07-19 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Snap-on foot and set consisting of a conductor connection terminal and a snap-on foot
DE102021127032A1 (en) 2021-10-19 2023-04-20 Md Elektronik Gmbh CIRCUIT BOARD PLUG FOR A CIRCUIT BOARD

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2966387D1 (en) * 1979-06-28 1983-12-15 Amp Inc An electrical connector assembly and a latching member for such an assembly
US8784132B2 (en) * 2010-11-18 2014-07-22 Tyco Electronics Corporation Electrical connector assembly having connector shroud
DE102011011017A1 (en) 2011-02-11 2012-08-16 Würth Elektronik Ics Gmbh & Co. Kg Direct plug-in device with plug and apron
DE102013218441A1 (en) 2013-09-13 2015-04-02 Würth Elektronik Ics Gmbh & Co. Kg Direct plug-in device with Vorjustiereinrichtung and relative to this sliding locking device
CN105870647A (en) * 2015-01-21 2016-08-17 鸿富锦精密工业(武汉)有限公司 Connector and connection assembly
DE202016105525U1 (en) * 2016-10-05 2018-01-08 Lumberg Connect Gmbh Connector with removable coding pins

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
SI3518347T1 (en) 2020-07-31
ES2784006T3 (en) 2020-09-21
EP3518347A1 (en) 2019-07-31
DE102018101669B3 (en) 2019-03-28

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