EP3588684B1 - Direct connector and direct connection - Google Patents

Direct connector and direct connection Download PDF

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Publication number
EP3588684B1
EP3588684B1 EP19181132.2A EP19181132A EP3588684B1 EP 3588684 B1 EP3588684 B1 EP 3588684B1 EP 19181132 A EP19181132 A EP 19181132A EP 3588684 B1 EP3588684 B1 EP 3588684B1
Authority
EP
European Patent Office
Prior art keywords
housing
housing part
direct plug
circuit board
latching
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
EP19181132.2A
Other languages
German (de)
French (fr)
Other versions
EP3588684A1 (en
Inventor
Michael Brodbeck
Daniel Kübler
Anh-Nguyen Nguyen
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.)
Wuerth Elektronik Eisos GmbH and Co KG
Original Assignee
Wuerth Elektronik Eisos GmbH and Co KG
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 Wuerth Elektronik Eisos GmbH and Co KG filed Critical Wuerth Elektronik Eisos GmbH and Co KG
Publication of EP3588684A1 publication Critical patent/EP3588684A1/en
Application granted granted Critical
Publication of EP3588684B1 publication Critical patent/EP3588684B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing
    • 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
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • 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
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • 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
    • 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
    • H01R12/7023—Snap means 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
    • H01R12/70—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
    • 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
    • H01R12/716—Coupling device provided on the PCB
    • 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
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
    • 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
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/79—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to rigid printed circuits or like structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/26—Pin or blade contacts for sliding co-operation on one side only
    • 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
    • H01R13/502—Bases; Cases composed of different pieces
    • 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
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic 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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot

Definitions

  • the invention relates to a direct connector for the electrical contacting of circuit boards with a housing and at least one contact connected to the housing for insertion into a first through opening of a circuit board that is electrically conductive on the inner wall.
  • the invention also relates to a direct plug connection with at least one direct plug connector according to the invention and a printed circuit board.
  • a direct plug connector for the electrical contacting of circuit boards with a housing and at least one contact connected to the housing for insertion into a first through opening of a circuit board that is electrically conductive on the inner wall.
  • the direct plug connector has a latching device for securing the housing on the circuit board, the latching device having at least one elastically resilient latching arm which is integrally connected to the housing and which has a latching projection in the region of its free end, the latching arm and the housing being separated by means of a gap are.
  • the housing also has a positioning projection rigidly and integrally connected to the housing, which protrudes beyond the bearing surface of the housing.
  • a direct connector for the electrical contacting of circuit boards with a housing and at least one contact connected to the housing for insertion into a first through opening of a circuit board that is electrically conductive on the inner wall is also known.
  • the housing of the direct plug connector has a latching device for securing the housing to the circuit board, the latching device having at least one elastically resilient latching arm which is integrally connected to the housing and has a latching projection in the area of its free end.
  • the housing has a further positioning projection that is rigidly and integrally connected to the housing and protrudes beyond the bearing surface of the housing.
  • the invention is intended to provide an improved direct plug connector and an improved direct plug connection.
  • a direct plug connector with the features of claim 1 or a direct plug connection with the features of claim 13 is provided for this purpose.
  • Preferred embodiments of the invention are set out in the subclaims.
  • the direct connector according to the invention is intended for the electrical contacting of printed circuit boards.
  • the direct plug connector has a housing and at least one contact connected to the housing. The contact is provided for insertion into a first through opening of a printed circuit board, which is electrically conductive on the inner wall.
  • Such direct connectors are also referred to as SKEDD connectors.
  • the direct plug connector has at least one latching device for securing the housing on the printed circuit board, the latching device having at least one elastically resilient latching arm which is integrally connected to the housing.
  • the locking arm has a locking projection in the area of its free end.
  • the latch arm and the housing are separated by a gap.
  • the intermediate space can run perpendicular to a support surface of the direct connector on the circuit board. The space can run in a straight line.
  • the direct plug connector according to the invention makes it possible to provide a reliable, easy-to-operate, secure hold and at the same time easy to manufacture latching device. Since the latching arm is integrally connected to the housing, the housing and latching arm can be produced together in one piece, for example by means of plastic injection molding. The locking arm can be actuated in a particularly simple manner between two fingers of a human hand.
  • a height of the space between the support surface and a connection point at which the latching arm and the housing are connected to one another corresponds to at least half the height of the housing.
  • the latching arm is connected flexibly enough to be able to latch onto the circuit board without problems and to be able to release the latching again without any problems.
  • a height of the gap is advantageously between half and 9/10 of the height of the housing.
  • the resilient connection of the locking arm can be designed to be very movable and easily operated by hand.
  • a side surface of the housing and a side surface of the latching arm go on one Connection point at which the latching arm and the housing are connected to one another, arcuate into one another.
  • a spring rate between the latching arm and the housing can be set via a configuration of the arcuate transition, for example the height and the radius of the arc.
  • the locking projection at the free end of the locking arm is directed away from the housing.
  • the latching projection can be unhooked by moving the latching arm towards the housing. This can be done by pressing the housing and the locking arm together between two fingers.
  • an insertion bevel leading onto the locking projection is provided at the free end of the locking arm.
  • the latching projection and thus also the latching arm can be automatically deflected when the direct plug-in connector is pressed towards the printed circuit board.
  • the locking projection can be deflected by being pressed in until it has passed through a through opening in the circuit board and snaps behind the opening of the through opening.
  • the housing can then be released again from this locked position by manually deflecting the locking arm until the locking projection can again pass through the through-opening in the circuit board.
  • the housing has at least one further positioning projection that is rigidly and integrally connected to the housing and protrudes beyond the bearing surface of the housing.
  • the direct plug connector can be held in a predefined position on the circuit board, the fixation of the direct plug connector being effected in cooperation with the latching arm and the latching projection.
  • Two positioning projections are advantageously provided so that the housing and so that the contact inserted into the through opening of the circuit board cannot be accidentally tilted, twisted and thereby damaged.
  • the housing has a locking arm each on two opposite side surfaces.
  • Such an arrangement of the latching arms makes it possible in a particularly simple manner to press the two latching arms onto the housing and thereby disengage them from matching through openings in the circuit boards. For example, such an arrangement is selected when several contacts are arranged next to one another in a housing of a direct plug connector.
  • the housing is provided with at least one dovetail groove and at least one dovetail bar.
  • the housing is designed in two parts, a first housing part being provided with the at least one latching arm and a second housing part with the contact.
  • the first housing part is generally U-shaped with two legs and the second housing part is received between the legs of the first housing part.
  • the first housing part overlaps the second housing part. Since the first housing part is provided with the at least one latching arm and the second housing part with the contact, the contact or the contacts are secured on the circuit board by the second housing part.
  • the contact has at least one insulation displacement contact for connecting to at least one cable strand, the first housing part in the connected state of the first housing part and the second housing part rests on the insulation displacement contact.
  • the second housing part can be used to lay one or more cable strands.
  • cable strands to be applied are secured on an underside of the first housing part. If the first housing part is then pushed onto the second housing part, the cable strands are simultaneously pressed into insulation displacement contacts in the second housing part. When connected to a circuit board, the first housing part then ensures that both housing parts and the contacts are secured on the circuit board.
  • a direct plug connection with at least one direct plug connector according to the invention and a circuit board, the circuit board having at least one electrically conductive first through opening on the inner wall for inserting the contact and at least one second through opening for inserting the locking projection and / or one Has positioning projection of the housing.
  • Such a direct plug-in connection is functionally reliable, easy to plug in and can also be easily removed from the circuit board again by simply unhooking the locking projections and without the aid of tools.
  • Fig. 1 shows a direct connector 10 according to a first embodiment not claimed.
  • the direct plug connector 10 has a housing 12 and a contact 14 arranged in sections in the housing.
  • the contact 14 is connected to the housing 12 within the latter.
  • the contact 14 is designed as a so-called direct plug contact or SKEDD contact.
  • the two spring arms of the contact 14 protruding from the underside of the housing 12 can resiliently move towards one another and away from one another again. Such a spring movement is required when the contact 14 is inserted into an electrically conductive through-opening of a printed circuit board on the inner wall.
  • Fig. 1 that is, from top to bottom or from bottom to top, the contact 14 is fixed relative to the housing 12.
  • the contact 14 has an in Fig. 1 invisible connection end to which a cable strand can be connected.
  • Such a connection end can be designed, for example, as an insulation displacement contact or also as a crimp contact or in some other suitable manner.
  • the housing is provided with two positioning projections 16, 18 in the form of at the top Truncated cone-shaped, but otherwise cylindrical pins provided over the bottom of the housing 12, which at the same time forms the bearing surface on a circuit board.
  • the positioning pins 16, 18 engage in matching through openings in a circuit board and prevent the housing 12 from being rotated or displaced on the circuit board. Since the positioning pins 16, 18 are cylindrical except for their frustoconical insertion end, they cannot prevent the housing 12 from being pulled off the printed circuit board.
  • a locking arm 20 is provided which is elastically resilient and integrally connected to the housing 12 and at its free end, which is shown in FIG Fig. 1 is arranged below the support surface 22 of the housing 12, is provided with a latching projection 24.
  • the latching arm 20 is separated from the housing by an intermediate space 26 that extends upwards from the support surface 22.
  • the intermediate space 26 runs in a straight line and perpendicular to the support surface 22, that is also perpendicular to a printed circuit board onto which the direct plug connector 10 is plugged.
  • the intermediate space 26 is delimited by an arcuate end 30.
  • the locking arm 20 can be resiliently pressed a little way towards the housing 12 and then automatically springs back into the FIG Fig. 1 location shown.
  • a width of the space 26 is reduced.
  • the curved end 30 of the space 26 prevents notch stresses occurring in the area of the connection point 28 and thus a destruction or weakening of the material in the area of the connection point 28 a design of the arch shape or also a displacement of the end 30 upwards, a spring rate between the locking arm 20 and the housing 12 can be set.
  • the latching projection 24 is provided with a run-on bevel 32 which is arranged in such a way that the latching projection 24 and thus also the latching arm 20 are pressed in the direction of the housing 12 when inserted into a suitable through opening of a printed circuit board Fig. 1 so to the left behind. This displacement movement takes place until the latching projection 24 is pushed completely through the circuit board and snaps with its undercut 34 behind the underside of the circuit board.
  • FIG. 2 This state is in Fig. 2 shown.
  • the undercut 34 of the latching projection 24 is now arranged opposite the underside of the circuit board 36 and thereby prevents the direct connector 10 from being in Fig. 2 is pulled off the circuit board 36 upwards.
  • the contact 14 is arranged in a through opening of the circuit board 36, which is designed to be electrically conductive on its inner wall and which is electrically connected to conductor tracks, not shown, on or within the circuit board 36.
  • the positioning pins 16, 18 are received in matching through openings of the circuit board 36 and prevent the direct connector 10 from twisting or the direct connector 10 from tilting relative to the circuit board 36.
  • the two positioning pins 16, 18 and the locking projection 24 allow the direct connector 10 to be securely attached the circuit board 36 are fixed and Mechanical loads are kept away from the contact 14 or the electrical connection between the contact 14 and the inner wall of the through opening of the circuit board 36 as far as possible. This is also used in a lateral direction, in Fig. 2 that is, from left front to right rear or from right rear to left front, receiving the contact 14 in the housing 12 with play.
  • the latching arm 20 is pressed in the area above the circuit board 36 in the direction of the housing 12.
  • the positioning pins 16, 18 in the through openings of the circuit board 36 then prevent the housing 12 from escaping.
  • the housing 12 can also be taken between two fingers of a human hand. If the fingers are then pressed towards one another, the latching arm 20 is pressed in the direction of the housing 12. This leads to the locking projection 24 being arranged again below the through opening in the circuit board 36 into which it was inserted. As a result, the undercut 34 is no longer opposite the underside of the circuit board 36, but below the through opening. In this compressed position of the locking arm 20 and the housing 12, the direct plug connector 10 can then be pulled off the circuit board 36 upwards again.
  • Fig. 3 shows the direct plug connector 10 in a side view, the view being directed to the locking arm 20.
  • the locking projection 24 with the undercut 34 can be seen on the, in Fig. 3 lower, free end of the locking arm 20.
  • the positioning pins 16, 18, which extend from the support surface 22 of the housing 12, can be seen.
  • the contact 14 is covered by the latching projection 24 in this view.
  • Fig. 4 shows a view of the direct connector 10 from below.
  • the gap 26 between the housing 12 and the latching arm 20 can be seen. If the latching arm 20 is pressed in the direction of the housing 12, the width of the gap 26 is reduced because the latching arm 20 then bends slightly below the connection point 28 , and the locking projection 24 is also displaced in the direction of the housing 12.
  • a groove 40 with a dovetail-shaped cross section can be seen on the right side surface of the housing 12.
  • a dovetail-shaped projection 42 can be seen on the opposite side surface of the housing 12. If two of the direct plug connectors 10 are arranged next to one another, the projection 42 of the right direct plug connector 10 can be pushed into the groove 40 of the left direct plug connector. As a result, the housings 12 of two or more direct plug connectors 10 can be connected to one another secured. This allows direct plug-in connectors with a plurality of contacts 14 to be of a modular design in a simple manner.
  • Fig. 5 shows the direct connector 10 in a side view.
  • the positioning pin 18 completely covers the rear positioning pin 16 and partially covers the contact 14.
  • the locking arm 20 and the locking projection 24 at the lower end of the locking arm 20 can be seen.
  • the gap 26 between the locking arm 20 and the housing 12, the upper end of which is arcuate at the connection point between the locking arm 20 and the housing 12, can also be seen.
  • Fig. 6 shows the direct connector 10 in a view obliquely from below.
  • FIG. 11 shows a sectional view of the direct plug connector 10 in the inserted state on the circuit board 36.
  • the contact 14 is now inserted into a through opening 38 in the circuit board 36, the inner wall of which is electrically conductive and which is connected to a conductor track (not shown) on or within the circuit board 36.
  • the latching projection 24 at the free end of the latching arm 20 has been snapped into a further through opening 40 so that the undercut 34 is arranged opposite the underside of the circuit board 36.
  • the locking arm 20 in Fig. 7 To solve the position shown from the circuit board 36, the locking arm 20 in Fig. 7 to be pressed to the right on the housing 12. The locking arm 20 has to be displaced in the direction of the housing 12 until the undercut 34 is arranged below the through opening 40. In this state, the direct connector 10 can then be removed from the circuit board 36, in Fig. 7 to the top.
  • Fig. 8 shows a direct connector 50 according to the invention.
  • the direct plug connector 50 has a housing 52 which has a first housing part 54 and a second housing part 56.
  • the first housing part 54 is U-shaped and has two locking arms 60a, 60b on opposite outer sides of the housing, which on their, in Fig. 8 lower end are each provided with a locking projection 64a, 64b.
  • the locking projections 64a, 64b are directed away from one another. In order to insert the locking projections 64a, 64b into matching through openings in an in Fig. 8 In order to be able to lock in the printed circuit board (not shown), the locking arms 60a, 60b must therefore be moved towards one another.
  • everyone who Latching projections 64a, 64b are provided with a bevel.
  • the latching arms 60a, 60b are each separated from the housing 64 by an intermediate space 66a, 66b, which ends in an arc shape in the region of the respective connection point between the housing 54 and the latching arms 60a, 60b.
  • the intermediate spaces 66a, 66b extend from a support surface 55 of the housing 54 to a height of approximately 8/10 to 9/10 of the housing 54.
  • the connection point between the latching arm 60a or the latching arm 60b and the housing 54 is therefore comparative designed to be soft, so that the latching arms 60a, 60b can be pressed towards the housing 54 without any problems.
  • the second housing part 56 is provided with a total of four contacts 14a, 14b, 14c and 14d, the contacts 14a to 14d in the view of FIG Fig. 8 partially cover.
  • the second housing part 56 is provided with two positioning pins 56, 58.
  • the positioning pins 56, 58 are designed as cylindrical pins with frustoconical free ends and each have a central slot 68. The positioning pins 56, 58 can thereby be slightly compressed at the level of the slot 68.
  • the positioning pins 56, 58 are each provided with a latching projection 70 on their outside. This latching projection is significantly smaller than the latching projections 64a, 64b and is only intended to ensure a slight clamping effect or latching effect in the associated through-openings of the circuit board.
  • Fig. 9 shows only the first housing part 54.
  • the U-shape of the first housing part 54 with the two locking arms 60a, 60b can be clearly seen.
  • the underside of the base of the first housing part 54, which in the connected state of the two housing parts 54, 56 faces the second housing part 56, is provided with positioning devices 72 for cable strands.
  • the positioning devices 72 can, for example, also be provided for the individual cable strands of a flat cable. A flat cable is inserted into the positioning devices 72 and thereby secured against slipping. If the first housing part 54 is then pushed onto the second housing part 56 until the in Fig.
  • the upper ends of the contacts 14a to 14d designed as insulation displacement contacts penetrate into matching through openings in the base of the first housing part 54 and cut through the insulation of the cable strands of the flat cable.
  • the second housing part 56 is in Fig. 8 non-recognizable locking hooks are provided, which then fit into matching undercuts 74 on the inner sides of the legs of the first housing part 54 engage and thereby secure the first housing part 54 to the second housing part 56.
  • the direct plug connector 50 can then be placed on a circuit board 36, as in FIG Fig. 10 is shown.
  • FIG. 10 shows the direct connector 50 of FIG Fig. 10 from above.
  • the through openings in the first housing part 54 and the contacts 14a, 14b, 14c and 14d arranged therein can be seen.
  • the view of the Fig. 11 if you look at the upper ends of the contacts 14a to 14c designed as insulation displacement contacts.
  • the cable strands of a flat ribbon cable are not shown for the sake of clarity.
  • FIG. 10 shows the direct connector 50 of FIG Fig. 10 of the page. It can be clearly seen that the two latching hooks 64a, 64b with their respective undercuts lie opposite the underside of the circuit board 36. In order to remove the direct connector 50 from the circuit board 36 again, the two latching arms 60a, 60b would have to be pressed towards one another until the latching projections 64a, 64b are arranged completely below the associated through-openings in the circuit board 36.
  • FIG. 10 shows the direct connector 50 of FIG Fig. 10 of the page.
  • FIG. 10 shows the direct connector 50 of FIG Fig. 10 from diagonally below.
  • the latching projections 64a, 64b engage behind the circuit board 36.
  • the positioning pins 57 and 58 engage in matching through openings in the circuit board 36.
  • FIG. 10 shows the direct connector 50 of FIG Fig. 10 in a sectional view.
  • the cutting plane goes through the locking projections 64a, 64b.
  • Fig. 16 shows a further direct connector 80 according to a further unclaimed embodiment of the invention in the plugged state onto a circuit board 36.
  • the direct connector 80 is provided with a housing 82 which is integrally connected to a locking arm 90, at the lower free end of which a locking projection 94 is arranged .
  • Fig. 17 shows the circuit board 36 of FIG Fig. 16 from below, the direct connector 80 being largely covered.
  • the latching projection 94 can be seen, which lies with its undercut opposite the underside of the circuit board 36 and previously by a matching one
  • Through-opening 96 in the circuit board 36 was pushed through.
  • the housing 82 is provided with two positioning pins 98, 100, which have also been inserted into matching through openings in the circuit board 36.
  • the contacts 14 of the direct plug connector 80 have also been pushed into a matching through opening 102 of the circuit board 36, which is designed to be electrically conductive on its inner wall.
  • FIG. 10 shows the direct connector 80 of FIG Fig. 16 in a side view.
  • an intermediate space 86 which ends in an arc shape in the area of the connection point at which the locking arm 90 and the housing 82 are integrally connected to one another.
  • the housing 82 and the latching arm 90 can, for example, be produced in one piece by means of plastic injection molding.
  • Fig. 19 shows the direct connector 80 in a view from above.
  • two projections 88 dovetailed in cross section, can be seen. If a plurality of housings 82 are to be arranged next to one another and connected to one another, the projections 88 can be adapted in Fig. 19 but not recognizable grooves on the in Fig. 19 right side face of a further housing 82 are inserted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Description

Die Erfindung betrifft einen Direktsteckverbinder für die elektrische Kontaktierung von Leiterplatten mit einem Gehäuse und wenigstens einem mit dem Gehäuse verbundenen Kontakt zum Einstecken in eine, an der Innenwand elektrisch leitfähige erste Durchgangsöffnung einer Leiterplatte. Die Erfindung betrifft auch eine Direktsteckverbindung mit wenigstens einem erfindungsgemäßen Direktsteckverbinder und einer Leiterplatte.The invention relates to a direct connector for the electrical contacting of circuit boards with a housing and at least one contact connected to the housing for insertion into a first through opening of a circuit board that is electrically conductive on the inner wall. The invention also relates to a direct plug connection with at least one direct plug connector according to the invention and a printed circuit board.

Aus der deutschen Gebrauchsmusterschrift DE 20 2016 105 358 U1 ist ein Direktsteckverbinder für die elektrische Kontaktierung von Leiterplatten mit einem Gehäuse und wenigstens einem mit dem Gehäuse verbundenen Kontakt zum Einstecken in eine an der Innenwand elektrisch leitfähige erste Durchgangsöffnung einer Leiterplatte bekannt. Der Direktsteckverbinder weist eine Rasteinrichtung zum Sichern des Gehäuses an der Leiterplatte auf, wobei die Rasteinrichtung wenigstens einen mit dem Gehäuse einstückig verbundenen, elastisch federnden Rastarm aufweist, der im Bereich seines freien Endes einen Rastvorsprung aufweist, wobei der Rastarm und das Gehäuse mittels eines Zwischenraums getrennt sind. Das Gehäuse weist auch einen starr und einstückig mit dem Gehäuse verbundenen Positioniervorsprung auf, der über die Auflagefläche des Gehäuses hinausragt.From the German utility model DE 20 2016 105 358 U1 a direct plug connector for the electrical contacting of circuit boards with a housing and at least one contact connected to the housing for insertion into a first through opening of a circuit board that is electrically conductive on the inner wall is known. The direct plug connector has a latching device for securing the housing on the circuit board, the latching device having at least one elastically resilient latching arm which is integrally connected to the housing and which has a latching projection in the region of its free end, the latching arm and the housing being separated by means of a gap are. The housing also has a positioning projection rigidly and integrally connected to the housing, which protrudes beyond the bearing surface of the housing.

Aus der US-Patentschrift US 6,050,845 ist ebenfalls ein Direktsteckverbinder für die elektrische Kontaktierung von Leiterplatten mit einem Gehäuse und wenigstens einem mit dem Gehäuse verbundenen Kontakt zum Einstecken in eine, an der Innenwand elektrisch leitfähige erste Durchgangsöffnung einer Leiterplatte bekannt. Das Gehäuse des Direktsteckverbinders weist eine Rasteinrichtung zum Sichern des Gehäuses an der Leiterplatte auf, wobei die Rasteinrichtung wenigstens einen mit dem Gehäuse einstückig verbundenen, elastisch federnden Rastarm aufweist, der im Bereich seines freien Endes einen Rastvorsprung aufweist. Das Gehäuse weist einen weiteren, starr und einstückig mit dem Gehäuse verbundenen Positioniervorsprung auf, der über die Auflagefläche des Gehäuses hinausragt.From the US patent U.S. 6,050,845 a direct connector for the electrical contacting of circuit boards with a housing and at least one contact connected to the housing for insertion into a first through opening of a circuit board that is electrically conductive on the inner wall is also known. The housing of the direct plug connector has a latching device for securing the housing to the circuit board, the latching device having at least one elastically resilient latching arm which is integrally connected to the housing and has a latching projection in the area of its free end. The housing has a further positioning projection that is rigidly and integrally connected to the housing and protrudes beyond the bearing surface of the housing.

Mit der Erfindung soll ein verbesserter Direktsteckverbinder und eine verbesserte Direktsteckverbindung bereitgestellt werden.The invention is intended to provide an improved direct plug connector and an improved direct plug connection.

Erfindungsgemäß ist hierzu ein Direktsteckverbinder mit den Merkmalen von Anspruch 1 oder eine Direktsteckverbindung mit den Merkmalen von Anspruch 13 vorgesehen. Bevorzugte Ausführungsformen der Erfindung sind in den Unteransprüchen angeführt.According to the invention, a direct plug connector with the features of claim 1 or a direct plug connection with the features of claim 13 is provided for this purpose. Preferred embodiments of the invention are set out in the subclaims.

Der erfindungsgemäße Direktsteckverbinder ist für die elektrische Kontaktierung von Leiterplatten vorgesehen. Der Direktsteckverbinder weist ein Gehäuse und wenigstens einen, mit dem Gehäuse verbundenen Kontakt auf. Der Kontakt ist zum Einstecken in eine, an der Innenwand elektrisch leitfähige erste Durchgangsöffnung einer Leiterplatte vorgesehen. Solche Direktsteckverbinder werden auch als SKEDD-Verbinder bezeichnet. Der Direktsteckverbinder weist wenigstens eine Rasteinrichtung zum Sichern des Gehäuses an der Leiterplatte auf, wobei die Rasteinrichtung wenigstens einen elastisch federnden Rastarm aufweist, der einstückig mit dem Gehäuse verbunden ist. Der Rastarm weist im Bereich seines freien Endes einen Rastvorsprung auf. Der Rastarm und das Gehäuse sind mittels eines Zwischenraums getrennt. Der Zwischenraum kann senkrecht zu einer Auflagefläche des Direktsteckverbinders auf der Leiterplatte verlaufen. Der Zwischenraum kann geradlinig verlaufen. Es ist wenigstens ein weiterer starr und einstückig mit dem Gehäuse verbundener Positioniervorsprung vorgesehen, der über die Auflagefläche des Gehäuses hinausragt. In überraschend einfacher Weise wird es mittels des erfindungsgemäßen Direktsteckverbinders möglich, eine zuverlässige, leicht zu betätigende, sicheren Halt bietende und gleichzeitig einfach herzustellende Rasteinrichtung bereitzustellen. Indem der Rastarm einstückig mit dem Gehäuse verbunden ist, können Gehäuse und Rastarm gemeinsam einstückig hergestellt werden, beispielsweise mittels Kunststoffspritzguss. Der Rastarm kann in besonders einfacher Weise zwischen zwei Fingern einer menschlichen Hand betätigt werden.The direct connector according to the invention is intended for the electrical contacting of printed circuit boards. The direct plug connector has a housing and at least one contact connected to the housing. The contact is provided for insertion into a first through opening of a printed circuit board, which is electrically conductive on the inner wall. Such direct connectors are also referred to as SKEDD connectors. The direct plug connector has at least one latching device for securing the housing on the printed circuit board, the latching device having at least one elastically resilient latching arm which is integrally connected to the housing. The locking arm has a locking projection in the area of its free end. The latch arm and the housing are separated by a gap. The intermediate space can run perpendicular to a support surface of the direct connector on the circuit board. The space can run in a straight line. There is at least one further positioning projection rigidly and integrally connected to the housing, which protrudes beyond the bearing surface of the housing. In a surprisingly simple way, the direct plug connector according to the invention makes it possible to provide a reliable, easy-to-operate, secure hold and at the same time easy to manufacture latching device. Since the latching arm is integrally connected to the housing, the housing and latching arm can be produced together in one piece, for example by means of plastic injection molding. The locking arm can be actuated in a particularly simple manner between two fingers of a human hand.

In Weiterbildung der Erfindung entspricht eine Höhe des Zwischenraums zwischen der Auflagefläche und einer Anbindungsstelle, an der der Rastarm und das Gehäuse miteinander verbunden sind, wenigstens der Hälfte der Höhe des Gehäuses.In a further development of the invention, a height of the space between the support surface and a connection point at which the latching arm and the housing are connected to one another corresponds to at least half the height of the housing.

Auf diese Weise ist der Rastarm ausreichend flexibel angebunden, um problemlos mit der Leiterplatte verrasten zu können und um die Verrastung auch wieder problemlos lösen zu können.In this way, the latching arm is connected flexibly enough to be able to latch onto the circuit board without problems and to be able to release the latching again without any problems.

Vorteilhafterweise liegt eine Höhe des Zwischenraums zwischen der Hälfte und 9/10 der Höhe des Gehäuses.A height of the gap is advantageously between half and 9/10 of the height of the housing.

Auf diese Weise kann die federnde Anbindung des Rastarms sehr beweglich und problemlos von Hand betätigbar ausgebildet werden.In this way, the resilient connection of the locking arm can be designed to be very movable and easily operated by hand.

In Weiterbildung der Erfindung gehen eine Seitenfläche des Gehäuses und eine Seitenfläche des Rastarms, wobei diese beiden Seitenflächen den Zwischenraum begrenzen, an einer Anbindungsstelle, an der der Rastarm und das Gehäuse miteinander verbunden sind, bogenförmig ineinander über.In a further development of the invention, a side surface of the housing and a side surface of the latching arm, these two side surfaces delimiting the intermediate space, go on one Connection point at which the latching arm and the housing are connected to one another, arcuate into one another.

Eine bogenförmige Ausgestaltung des Übergangs sorgt für eine gleichmäßige Kräfteverteilung, so dass keine Kerbwirkungen auftreten, die möglicherweise das Material im Bereich der Anbindungsstelle beschädigen könnten. Über eine Ausgestaltung des bogenförmigen Übergangs, beispielsweise die Höhe und den Radius des Bogens, lässt sich eine Federrate zwischen dem Rastarm und dem Gehäuse einstellen.An arcuate design of the transition ensures an even distribution of forces so that no notch effects occur which could possibly damage the material in the area of the connection point. A spring rate between the latching arm and the housing can be set via a configuration of the arcuate transition, for example the height and the radius of the arc.

In Weiterbildung der Erfindung ist der Rastvorsprung am freien Ende des Rastarms von dem Gehäuse weg gerichtet.In a further development of the invention, the locking projection at the free end of the locking arm is directed away from the housing.

Auf diese Weise kann der Rastvorsprung ausgehängt werden, indem der Rastarm auf das Gehäuse zubewegt wird. Dies kann mittels Zusammendrücken des Gehäuses und des Rastarms zwischen zwei Fingern erfolgen.In this way, the latching projection can be unhooked by moving the latching arm towards the housing. This can be done by pressing the housing and the locking arm together between two fingers.

In Weiterbildung der Erfindung ist am freien Ende des Rastarms eine auf den Rastvorsprung zuführende Einführschräge vorgesehen.In a further development of the invention, an insertion bevel leading onto the locking projection is provided at the free end of the locking arm.

Mittels einer solchen Einführschräge kann der Rastvorsprung und damit auch der Rastarm automatisch ausgelenkt werden, wenn der Direktsteckverbinder in Richtung auf die Leiterplatte zu gedrückt wird. Der Rastvorsprung kann dabei so weit durch Eindrücken ausgelenkt werden, bis er eine Durchgangsöffnung in der Leiterplatte durchquert hat und hinter die Öffnung der Durchgangsöffnung schnappt. Aus dieser verrasteten Stellung kann das Gehäuse dann wieder dadurch gelöst werden, dass der Rastarm manuell ausgelenkt wird, bis der Rastvorsprung wieder durch die Durchgangsöffnung in der Leiterplatte hindurchgelangen kann.By means of such an insertion bevel, the latching projection and thus also the latching arm can be automatically deflected when the direct plug-in connector is pressed towards the printed circuit board. The locking projection can be deflected by being pressed in until it has passed through a through opening in the circuit board and snaps behind the opening of the through opening. The housing can then be released again from this locked position by manually deflecting the locking arm until the locking projection can again pass through the through-opening in the circuit board.

In Weiterbildung der Erfindung weist das Gehäuse wenigstens einen weiteren, starr und einstückig mit dem Gehäuse verbundenen Positioniervorsprung auf, der über die Auflagefläche des Gehäuses hinausragt.In a further development of the invention, the housing has at least one further positioning projection that is rigidly and integrally connected to the housing and protrudes beyond the bearing surface of the housing.

Mittels eines solchen Positioniervorsprungs kann der Direktsteckverbinder in einer vordefinierten Position an der Leiterplatte gehalten werden, wobei die Fixierung des Direktsteckverbinders zusammenwirkend mit dem Rastarm und dem Rastvorsprung bewirkt wird. Vorteilhafterweise sind zwei Positioniervorsprünge vorgesehen, so dass das Gehäuse und damit der in die Durchgangsöffnung der Leiterplatte eingesteckte Kontakt nicht unbeabsichtigt verkantet, verdreht und dadurch beschädigt werden können.By means of such a positioning projection, the direct plug connector can be held in a predefined position on the circuit board, the fixation of the direct plug connector being effected in cooperation with the latching arm and the latching projection. Two positioning projections are advantageously provided so that the housing and so that the contact inserted into the through opening of the circuit board cannot be accidentally tilted, twisted and thereby damaged.

In Weiterbildung der Erfindung weist das Gehäuse an zwei gegenüberliegenden Seitenflächen jeweils einen Rastarm auf.In a further development of the invention, the housing has a locking arm each on two opposite side surfaces.

Eine solche Anordnung der Rastarme erlaubt es in besonders einfacher Weise, die beiden Rastarme auf das Gehäuse zu zu drücken und dadurch aus passenden Durchgangsöffnungen in den Leiterplatten auszurasten. Beispielsweise wird eine solche Anordnung gewählt, wenn mehrere Kontakte nebeneinander in einem Gehäuse eines Direktsteckverbinders angeordnet sind.Such an arrangement of the latching arms makes it possible in a particularly simple manner to press the two latching arms onto the housing and thereby disengage them from matching through openings in the circuit boards. For example, such an arrangement is selected when several contacts are arranged next to one another in a housing of a direct plug connector.

In Weiterbildung der Erfindung ist das Gehäuse mit wenigstens einer schwalbenschwanzförmigen Nut und wenigstens einer schwalbenschwanzförmigen Leiste versehen.In a further development of the invention, the housing is provided with at least one dovetail groove and at least one dovetail bar.

Mittels solcher Nuten und Leisten, die passend zueinander ausgebildet sind, lassen sich mehrere Gehäuse von Direktsteckverbindern formschlüssig aneinander sichern und dadurch lassen sich auch größere Stecker mit mehreren Kontakten individuell aufbauen.By means of such grooves and strips, which are designed to match one another, several housings of direct plug-in connectors can be secured to one another in a form-fitting manner, and larger plugs with several contacts can also be constructed individually as a result.

Gemäß der Erfindung ist das Gehäuse zweiteilig ausgebildet, wobei ein erster Gehäuseteil mit dem wenigstens einen Rastarm versehen ist und ein zweiter Gehäuseteil mit dem Kontakt.According to the invention, the housing is designed in two parts, a first housing part being provided with the at least one latching arm and a second housing part with the contact.

Gemäß der Erfindung ist der erste Gehäuseteil allgemein U-artig mit zwei Schenkeln ausgebildet und der zweite Gehäuseteil ist zwischen den Schenkeln des ersten Gehäuseteils aufgenommen.According to the invention, the first housing part is generally U-shaped with two legs and the second housing part is received between the legs of the first housing part.

Auf diese Weise übergreift der erste Gehäuseteil den zweiten Gehäuseteil. Da der erste Gehäuseteil mit dem wenigstens einen Rastarm versehen ist und der zweite Gehäuseteil mit dem Kontakt, wird durch das zweite Gehäuseteil der Kontakt bzw. die Kontakte an der Leiterplatte gesichert.In this way, the first housing part overlaps the second housing part. Since the first housing part is provided with the at least one latching arm and the second housing part with the contact, the contact or the contacts are secured on the circuit board by the second housing part.

In Weiterbildung der Erfindung weist der Kontakt wenigstens einen Schneid-Klemm-Kontakt zum Verbinden mit wenigstens einer Kabellitze auf, wobei der erste Gehäuseteil im verbundenen Zustand von erstem Gehäuseteil und zweitem Gehäuseteil an dem Schneid-Klemm-Kontakt anliegt.In a further development of the invention, the contact has at least one insulation displacement contact for connecting to at least one cable strand, the first housing part in the connected state of the first housing part and the second housing part rests on the insulation displacement contact.

Auf diese Weise kann der zweite Gehäuseteil zum Auflegen einer Kabellitze oder mehrerer Kabellitzen genutzt werden. Beispielsweise werden aufzulegende Kabellitzen an einer Unterseite des ersten Gehäuseteils gesichert. Wird dann das erste Gehäuseteil auf das zweite Gehäuseteil aufgeschoben, werden gleichzeitig die Kabellitzen in Schneid-Klemm-Kontakte im zweiten Gehäuseteil eingedrückt. Im verbundenen Zustand mit einer Leiterplatte sorgt das erste Gehäuseteil dann dafür, dass beide Gehäuseteile und die Kontakte an der Leiterplatte gesichert sind.In this way, the second housing part can be used to lay one or more cable strands. For example, cable strands to be applied are secured on an underside of the first housing part. If the first housing part is then pushed onto the second housing part, the cable strands are simultaneously pressed into insulation displacement contacts in the second housing part. When connected to a circuit board, the first housing part then ensures that both housing parts and the contacts are secured on the circuit board.

Das der Erfindung zugrunde liegende Problem wird auch durch eine Direktsteckverbindung mit wenigstens einem erfindungsgemäßen Direktsteckverbinder und einer Leiterplatte gelöst, wobei die Leiterplatte wenigstens eine an der Innenwand elektrisch leitfähige erste Durchgangsöffnung zum Einstecken des Kontakts und wenigstens eine zweite Durchgangsöffnung zum Einführen des Rastvorsprungs und/oder eines Positioniervorsprungs des Gehäuses aufweist.The problem on which the invention is based is also solved by a direct plug connection with at least one direct plug connector according to the invention and a circuit board, the circuit board having at least one electrically conductive first through opening on the inner wall for inserting the contact and at least one second through opening for inserting the locking projection and / or one Has positioning projection of the housing.

Eine solche Direktsteckverbindung ist funktionssicher, leicht einzustecken und auch durch einfaches Aushängen der Rastvorsprünge leicht und ohne Zuhilfenahme von Werkzeug wieder von der Leiterplatte abnehmbar.Such a direct plug-in connection is functionally reliable, easy to plug in and can also be easily removed from the circuit board again by simply unhooking the locking projections and without the aid of tools.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus den Ansprüchen und der folgenden Beschreibung bevorzugter Ausführungsformen der Erfindung im Zusammenhang mit den Zeichnungen. Einzelmerkmale der unterschiedlichen, dargestellten Ausführungsformen lassen sich dabei in beliebiger Weise miteinander kombinieren, ohne den Rahmen der Erfindung zu überschreiten. Dies gilt auch dann, wenn Einzelmerkmale ohne weitere Einzelmerkmale, mit denen sie zusammen beschrieben oder dargestellt sind, mit anderen Einzelmerkmalen kombiniert werden. In den Zeichnungen zeigen:

Fig. 1
eine Ansicht eines nicht beanspruchten Direktsteckverbinders gemäß einer ersten Ausführungsform von schräg vorne,
Fig. 2
den Direktsteckverbinder der Fig. 1 im eingesteckten Zustand auf einer Leiterplatte,
Fig. 3
den Direktsteckverbinder der Fig. 1 von vorne,
Fig. 4
den Direktsteckverbinder der Fig. 1 von unten,
Fig. 5
den Direktsteckverbinder der Fig. 1 von der Seite,
Fig. 6
den Direktsteckverbinder der Fig. 1 von schräg unten,
Fig. 7
eine Schnittansicht des Direktsteckverbinders der Fig. 2,
Fig. 8
einen Direktsteckverbinder gemäß einer Ausführungsform der Erfindung von schräg oben,
Fig. 9
einen ersten Gehäuseteil des Direktsteckverbinders der Fig. 8,
Fig. 10
den Direktsteckverbinder der Fig. 8 im eingesteckten Zustand auf einer Leiterplatte,
Fig. 11
den Direktsteckverbinder der Fig. 10 bei abgenommenem erstem Gehäuseteil von oben,
Fig. 12
den Direktsteckverbinder der Fig. 10 von der Seite,
Fig. 13
den Direktsteckverbinder der Fig. 12 in einer um 90° gedrehten Seitenansicht,
Fig. 14
den Direktsteckverbinder der Fig. 10 in einer Ansicht von schräg unten,
Fig. 15
eine Schnittansicht des Direktsteckverbinders der Fig. 12,
Fig. 16
eine Ansicht eines Direktsteckverbinders gemäß einer weiteren nicht beanspruchten Ausführungsform von schräg oben,
Fig. 17
eine Ansicht des Direktsteckverbinders der Fig. 16 von unten,
Fig. 18
eine Ansicht des Direktsteckverbinders der Fig. 16 von der Seite und
Fig. 19
eine Ansicht des Direktsteckverbinders der Fig. 16 von oben.
Further features and advantages of the invention emerge from the claims and the following description of preferred embodiments of the invention in conjunction with the drawings. Individual features of the different, illustrated embodiments can be combined with one another in any way, without the scope of the invention To exceed. This also applies if individual features without further individual features with which they are described or represented together are combined with other individual features. In the drawings show:
Fig. 1
a view of a direct connector not claimed according to a first embodiment obliquely from the front,
Fig. 2
the direct connector of the Fig. 1 when plugged in on a circuit board,
Fig. 3
the direct connector of the Fig. 1 from the front,
Fig. 4
the direct connector of the Fig. 1 from underneath,
Fig. 5
the direct connector of the Fig. 1 of the page,
Fig. 6
the direct connector of the Fig. 1 from diagonally below,
Fig. 7
a sectional view of the direct connector of Fig. 2 ,
Fig. 8
a direct connector according to an embodiment of the invention obliquely from above,
Fig. 9
a first housing part of the direct connector of the Fig. 8 ,
Fig. 10
the direct connector of the Fig. 8 when plugged in on a circuit board,
Fig. 11
the direct connector of the Fig. 10 with the first housing part removed from above,
Fig. 12
the direct connector of the Fig. 10 of the page,
Fig. 13
the direct connector of the Fig. 12 in a side view rotated by 90 °,
Fig. 14
the direct connector of the Fig. 10 in an oblique view from below,
Fig. 15
a sectional view of the direct connector of Fig. 12 ,
Fig. 16
a view of a direct connector according to a further embodiment not claimed obliquely from above,
Fig. 17
a view of the direct connector of Fig. 16 from underneath,
Fig. 18
a view of the direct connector of Fig. 16 from the side and
Fig. 19
a view of the direct connector of Fig. 16 from above.

Fig. 1 zeigt einen Direktsteckverbinder 10 gemäß einer ersten nicht beanspruchten Ausführungsform. Fig. 1 shows a direct connector 10 according to a first embodiment not claimed.

Der Direktsteckverbinder 10 weist ein Gehäuse 12 und einen abschnittweise im Gehäuse angeordneten Kontakt 14 auf. Der Kontakt 14 ist innerhalb des Gehäuses 12 mit diesem verbunden. Der Kontakt 14 ist als sogenannter Direktsteckkontakt oder SKEDD-Kontakt ausgebildet. Die beiden auf der Unterseite des Gehäuses 12 herausragenden Federarme des Kontakts 14 können sich federnd aufeinander zu- und wieder voneinander wegbewegen. Eine solche Federbewegung wird benötigt, wenn der Kontakt 14 in eine an der Innenwand elektrisch leitfähige Durchgangsöffnung einer Leiterplatte eingesteckt wird. In und entgegen der Einsteckrichtung, in Fig. 1 also von oben nach unten bzw. von unten nach oben, ist der Kontakt 14 aber relativ zum Gehäuse 12 fixiert. Der Kontakt 14 weist ein in Fig. 1 nicht sichtbares Anschlussende auf, an dem eine Kabellitze angeschlossen werden kann. Ein solches Anschlussende kann beispielsweise als Schneid-Klemm-Kontakt oder auch als Crimp-Kontakt oder in sonstiger geeigneter Weise ausgeführt werden.The direct plug connector 10 has a housing 12 and a contact 14 arranged in sections in the housing. The contact 14 is connected to the housing 12 within the latter. The contact 14 is designed as a so-called direct plug contact or SKEDD contact. The two spring arms of the contact 14 protruding from the underside of the housing 12 can resiliently move towards one another and away from one another again. Such a spring movement is required when the contact 14 is inserted into an electrically conductive through-opening of a printed circuit board on the inner wall. In and against the direction of insertion, in Fig. 1 that is, from top to bottom or from bottom to top, the contact 14 is fixed relative to the housing 12. The contact 14 has an in Fig. 1 invisible connection end to which a cable strand can be connected. Such a connection end can be designed, for example, as an insulation displacement contact or also as a crimp contact or in some other suitable manner.

Um sicherzustellen, dass das Gehäuse im eingesteckten Zustand des Kontakts 14 an der Leiterplatte gesichert ist und nicht versehentlich verdreht, abgezogen oder auch nur zu stark relativ zur Leiterplatte bewegt werden kann, ist das Gehäuse mit zwei Positioniervorsprüngen 16, 18 in Form von an der Spitze kegelstumpfförmig ausgeführten, ansonsten aber zylindrischen Stiften versehen, die über die Unterseite des Gehäuses 12, die gleichzeitig die Auflagefläche auf einer Leiterplatte bildet. Die Positionierstifte 16, 18 greifen in passende Durchgangsöffnungen einer Leiterplatte ein und verhindern, dass das Gehäuse 12 auf der Leiterplatte verdreht oder verschoben wird. Da die Positionierstifte 16, 18 aber bis auf ihr kegelstumpfförmiges Einführende zylindrisch ausgeführt sind, können sie ein Abziehen des Gehäuses 12 von der Leiterplatte nicht verhindern.In order to ensure that the housing is secured to the circuit board when the contact 14 is plugged in and cannot be accidentally twisted, pulled off or even moved too much relative to the circuit board, the housing is provided with two positioning projections 16, 18 in the form of at the top Truncated cone-shaped, but otherwise cylindrical pins provided over the bottom of the housing 12, which at the same time forms the bearing surface on a circuit board. The positioning pins 16, 18 engage in matching through openings in a circuit board and prevent the housing 12 from being rotated or displaced on the circuit board. Since the positioning pins 16, 18 are cylindrical except for their frustoconical insertion end, they cannot prevent the housing 12 from being pulled off the printed circuit board.

Um das Gehäuse 12 an der Leiterplatte zu verrasten, ist ein Rastarm 20 vorgesehen, der elastisch federnd und einstückig mit dem Gehäuse 12 verbunden ist und an seinem freien Ende, das in Fig. 1 unterhalb der Auflagefläche 22 des Gehäuses 12 angeordnet ist, mit einem Rastvorsprung 24 versehen ist. Der Rastarm 20 ist von dem Gehäuse durch einen ausgehend von der Auflagefläche 22 nach oben verlaufenden Zwischenraum 26 getrennt. Der Zwischenraum 26 verläuft geradlinig und senkrecht zur Auflagefläche 22, also auch senkrecht zu einer Leiterplatte, auf die der Direktsteckverbinder 10 aufgesteckt wird.In order to lock the housing 12 on the printed circuit board, a locking arm 20 is provided which is elastically resilient and integrally connected to the housing 12 and at its free end, which is shown in FIG Fig. 1 is arranged below the support surface 22 of the housing 12, is provided with a latching projection 24. The latching arm 20 is separated from the housing by an intermediate space 26 that extends upwards from the support surface 22. The intermediate space 26 runs in a straight line and perpendicular to the support surface 22, that is also perpendicular to a printed circuit board onto which the direct plug connector 10 is plugged.

Im Bereich einer Anbindungsstelle 28, an der der Rastarm 20 einstückig mit dem Gehäuse 12 verbunden ist, ist der Zwischenraum 26 durch ein bogenförmiges Ende 30 begrenzt. Wie bereits Fig. 1 zu entnehmen ist, kann der Rastarm 20 federnd ein Stück weit auf das Gehäuse 12 zu gedrückt werden und federt dann automatisch wieder zurück in die in Fig. 1 dargestellte Lage. Bei diesem Aufeinanderzubewegen von Rastarm 20 und Gehäuse 12 verringert sich eine Breite des Zwischenraums 26. Das bogenförmige Ende 30 des Zwischenraums 26 verhindert dabei das Auftreten von Kerbspannungen im Bereich der Anbindungsstelle 28 und damit eine Zerstörung oder Schwächung des Materials im Bereich der Anbindungsstelle 28. Durch eine Gestaltung der Bogenform oder auch ein Verschieben des Endes 30 nach oben kann eine Federrate zwischen dem Rastarm 20 und dem Gehäuse 12 eingestellt werden.In the area of a connection point 28 at which the latching arm 20 is integrally connected to the housing 12, the intermediate space 26 is delimited by an arcuate end 30. As before Fig. 1 can be seen, the locking arm 20 can be resiliently pressed a little way towards the housing 12 and then automatically springs back into the FIG Fig. 1 location shown. When the locking arm 20 and the housing 12 move towards one another, a width of the space 26 is reduced. The curved end 30 of the space 26 prevents notch stresses occurring in the area of the connection point 28 and thus a destruction or weakening of the material in the area of the connection point 28 a design of the arch shape or also a displacement of the end 30 upwards, a spring rate between the locking arm 20 and the housing 12 can be set.

Der Rastvorsprung 24 ist mit einer Anlaufschräge 32 versehen, die so angeordnet ist, dass der Rastvorsprung 24 und damit auch der Rastarm 20 beim Einschieben in eine passende Durchgangsöffnung einer Leiterplatte in Richtung auf das Gehäuse 12 gedrückt werden, in Fig. 1 also nach links hinten. Diese Verschiebebewegung erfolgt so lange, bis der Rastvorsprung 24 vollständig durch die Leiterplatte hindurchgeschoben ist und mit seinem Hinterschnitt 34 hinter die Unterseite der Leiterplatte schnappt.The latching projection 24 is provided with a run-on bevel 32 which is arranged in such a way that the latching projection 24 and thus also the latching arm 20 are pressed in the direction of the housing 12 when inserted into a suitable through opening of a printed circuit board Fig. 1 so to the left behind. This displacement movement takes place until the latching projection 24 is pushed completely through the circuit board and snaps with its undercut 34 behind the underside of the circuit board.

Dieser Zustand ist in Fig. 2 dargestellt. Wie zu erkennen ist, ist der Hinterschnitt 34 des Rastvorsprungs 24 nun gegenüber der Unterseite der Leiterplatte 36 angeordnet und verhindert dadurch, dass der Direktsteckverbinder 10 in Fig. 2 nach oben von der Leiterplatte 36 abgezogen wird. Der Kontakt 14 ist in einer Durchgangsöffnung der Leiterplatte 36 angeordnet, die an ihrer Innenwand elektrisch leitfähig ausgeführt ist und die elektrisch in Verbindung mit nicht dargestellten Leiterbahnen auf oder innerhalb der Leiterplatte 36 steht. Die Positionierstifte 16, 18 sind in passenden Durchgangsöffnungen der Leiterplatte 36 aufgenommen und verhindern ein Verdrehen des Direktsteckverbinders 10 oder auch ein Verkippen des Direktsteckverbinders 10 relativ zur Leiterplatte 36. Durch die beiden Positionierstifte 16, 18 und den Rastvorsprung 24 kann der Direktsteckverbinder 10 dadurch sicher an der Leiterplatte 36 fixiert werden und mechanische Belastungen werden so weit wie möglich von dem Kontakt 14 bzw. der elektrischen Verbindung zwischen dem Kontakt 14 und der Innenwand der Durchgangsöffnung der Leiterplatte 36 ferngehalten. Hierzu dient auch eine in seitlicher Richtung, in Fig. 2 also von links vorne nach rechts hinten bzw. von rechts hinten nach links vorne, spielbehaftete Aufnahme des Kontakts 14 in dem Gehäuse 12.This state is in Fig. 2 shown. As can be seen, the undercut 34 of the latching projection 24 is now arranged opposite the underside of the circuit board 36 and thereby prevents the direct connector 10 from being in Fig. 2 is pulled off the circuit board 36 upwards. The contact 14 is arranged in a through opening of the circuit board 36, which is designed to be electrically conductive on its inner wall and which is electrically connected to conductor tracks, not shown, on or within the circuit board 36. The positioning pins 16, 18 are received in matching through openings of the circuit board 36 and prevent the direct connector 10 from twisting or the direct connector 10 from tilting relative to the circuit board 36. The two positioning pins 16, 18 and the locking projection 24 allow the direct connector 10 to be securely attached the circuit board 36 are fixed and Mechanical loads are kept away from the contact 14 or the electrical connection between the contact 14 and the inner wall of the through opening of the circuit board 36 as far as possible. This is also used in a lateral direction, in Fig. 2 that is, from left front to right rear or from right rear to left front, receiving the contact 14 in the housing 12 with play.

Um den Direktsteckverbinder 10 wieder von der Leiterplatte 36 abzunehmen, wird der Rastarm 20 im Bereich oberhalb der Leiterplatte 36 in Richtung auf das Gehäuse 12 gedrückt. Die Positionierstifte 16, 18 in den Durchgangsöffnungen der Leiterplatte 36 verhindern dann, dass das Gehäuse 12 ausweicht. Das Gehäuse 12 kann auch zwischen zwei Finger einer menschlichen Hand genommen werden. Werden die Finger dann aufeinander zu gedrückt, wird der Rastarm 20 in Richtung auf das Gehäuse 12 gedrückt. Dies führt dazu, dass der Rastvorsprung 24 wieder unterhalb der Durchgangsöffnung in der Leiterplatte 36 angeordnet wird, in die er eingeschoben wurde. Der Hinterschnitt 34 liegt dadurch nicht mehr gegenüber der Unterseite der Leiterplatte 36, sondern unterhalb der Durchgangsöffnung. In dieser zusammengedrückten Stellung von Rastarm 20 und Gehäuse 12 kann der Direktsteckverbinder 10 dann wieder nach oben von der Leiterplatte 36 abgezogen werden.In order to remove the direct connector 10 from the circuit board 36 again, the latching arm 20 is pressed in the area above the circuit board 36 in the direction of the housing 12. The positioning pins 16, 18 in the through openings of the circuit board 36 then prevent the housing 12 from escaping. The housing 12 can also be taken between two fingers of a human hand. If the fingers are then pressed towards one another, the latching arm 20 is pressed in the direction of the housing 12. This leads to the locking projection 24 being arranged again below the through opening in the circuit board 36 into which it was inserted. As a result, the undercut 34 is no longer opposite the underside of the circuit board 36, but below the through opening. In this compressed position of the locking arm 20 and the housing 12, the direct plug connector 10 can then be pulled off the circuit board 36 upwards again.

Fig. 3 zeigt den Direktsteckverbinder 10 in einer Seitenansicht, wobei der Blick auf den Rastarm 20 gerichtet ist. Zu erkennen ist der Rastvorsprung 24 mit dem Hinterschnitt 34 an dem, in Fig. 3 unteren, freien Ende des Rastarms 20. Darüber hinaus sind die Positionierstifte 16, 18 zu erkennen, die von der Auflagefläche 22 des Gehäuses 12 ausgehen. Der Kontakt 14 ist in dieser Ansicht von dem Rastvorsprung 24 verdeckt. Fig. 3 shows the direct plug connector 10 in a side view, the view being directed to the locking arm 20. The locking projection 24 with the undercut 34 can be seen on the, in Fig. 3 lower, free end of the locking arm 20. In addition, the positioning pins 16, 18, which extend from the support surface 22 of the housing 12, can be seen. The contact 14 is covered by the latching projection 24 in this view.

Fig. 4 zeigt eine Ansicht des Direktsteckverbinders 10 von unten. In dieser Ansicht zu erkennen ist der Zwischenraum 26 zwischen dem Gehäuse 12 und dem Rastarm 20. Wird der Rastarm 20 in Richtung auf das Gehäuse 12 gedrückt, verringert sich die Breite des Zwischenraums 26, da sich der Rastarm 20 dann unterhalb der Anbindungsstelle 28 leicht verbiegt, und der Rastvorsprung 24 wird ebenfalls in Richtung auf das Gehäuse 12 zu verlagert. Fig. 4 shows a view of the direct connector 10 from below. In this view, the gap 26 between the housing 12 and the latching arm 20 can be seen. If the latching arm 20 is pressed in the direction of the housing 12, the width of the gap 26 is reduced because the latching arm 20 then bends slightly below the connection point 28 , and the locking projection 24 is also displaced in the direction of the housing 12.

An der in Fig. 4 rechten Seitenfläche des Gehäuses 12 ist eine Nut 40 mit schwalbenschwanzförmigem Querschnitt zu erkennen. An der gegenüberliegenden Seitenfläche des Gehäuses 12 ist ein schwalbenschwanzförmiger Vorsprung 42 zu erkennen. Werden zwei der Direktsteckverbinder 10 nebeneinander angeordnet, so kann der Vorsprung 42 des rechten Direktsteckverbinders 10 in die Nut 40 des linken Direktsteckverbinders eingeschoben werden. Dadurch können die Gehäuse 12 zweier oder mehrerer Direktsteckverbinder 10 aneinander gesichert werden. Dadurch lassen sich Direktsteckverbinder mit mehreren Kontakten 14 in einfacher Weise modular aufbauen.At the in Fig. 4 A groove 40 with a dovetail-shaped cross section can be seen on the right side surface of the housing 12. A dovetail-shaped projection 42 can be seen on the opposite side surface of the housing 12. If two of the direct plug connectors 10 are arranged next to one another, the projection 42 of the right direct plug connector 10 can be pushed into the groove 40 of the left direct plug connector. As a result, the housings 12 of two or more direct plug connectors 10 can be connected to one another secured. This allows direct plug-in connectors with a plurality of contacts 14 to be of a modular design in a simple manner.

Fig. 5 zeigt den Direktsteckverbinder 10 in einer Seitenansicht. Der Positionierstift 18 verdeckt den hinteren Positionierstift 16 vollständig und den Kontakt 14 teilweise. Zu erkennen ist der Rastarm 20 sowie der Rastvorsprung 24 am unteren Ende des Rastarms 20. Ebenfalls gut zu erkennen ist der Zwischenraum 26 zwischen dem Rastarm 20 und dem Gehäuse 12, dessen oberes Ende an der Anbindungsstelle zwischen Rastarm 20 und Gehäuse 12 bogenförmig ausgestaltet ist. Fig. 5 shows the direct connector 10 in a side view. The positioning pin 18 completely covers the rear positioning pin 16 and partially covers the contact 14. The locking arm 20 and the locking projection 24 at the lower end of the locking arm 20 can be seen. The gap 26 between the locking arm 20 and the housing 12, the upper end of which is arcuate at the connection point between the locking arm 20 and the housing 12, can also be seen.

Fig. 6 zeigt den Direktsteckverbinder 10 in einer Ansicht von schräg unten. Fig. 6 shows the direct connector 10 in a view obliquely from below.

Fig. 7 zeigt eine Schnittansicht des Direktsteckverbinders 10 im eingesteckten Zustand auf der Leiterplatte 36. Fig. 7 FIG. 11 shows a sectional view of the direct plug connector 10 in the inserted state on the circuit board 36.

Der Kontakt 14 ist nun in eine Durchgangsöffnung 38 in der Leiterplatte 36 eingesteckt, deren Innenwand elektrisch leitfähig ist und die mit einer nicht dargestellten Leiterbahn auf oder innerhalb der Leiterplatte 36 in Verbindung steht.The contact 14 is now inserted into a through opening 38 in the circuit board 36, the inner wall of which is electrically conductive and which is connected to a conductor track (not shown) on or within the circuit board 36.

Der Rastvorsprung 24 am freien Ende des Rastarms 20 ist in eine weitere Durchgangsöffnung 40 eingeschnappt worden, so dass der Hinterschnitt 34 gegenüber der Unterseite der Leiterplatte 36 angeordnet ist. Um den Direktsteckverbinder 10 ausgehend von der in Fig. 7 dargestellten Stellung von der Leiterplatte 36 zu lösen, muss, wie bereits ausgeführt wurde, der Rastarm 20 in Fig. 7 nach rechts auf das Gehäuse 12 zu gedrückt werden. Der Rastarm 20 muss so weit in Richtung auf das Gehäuse 12 zu verlagert werden, bis der Hinterschnitt 34 unterhalb der Durchgangsöffnung 40 angeordnet ist. In diesem Zustand kann der Direktsteckverbinder 10 dann von der Leiterplatte 36, in Fig. 7 nach oben, abgezogen werden.The latching projection 24 at the free end of the latching arm 20 has been snapped into a further through opening 40 so that the undercut 34 is arranged opposite the underside of the circuit board 36. To the direct connector 10 starting from the in Fig. 7 To solve the position shown from the circuit board 36, the locking arm 20 in Fig. 7 to be pressed to the right on the housing 12. The locking arm 20 has to be displaced in the direction of the housing 12 until the undercut 34 is arranged below the through opening 40. In this state, the direct connector 10 can then be removed from the circuit board 36, in Fig. 7 to the top.

Fig. 8 zeigt einen Direktsteckverbinder 50 gemäß der Erfindung. Fig. 8 shows a direct connector 50 according to the invention.

Der Direktsteckverbinder 50 weist ein Gehäuse 52 auf, das einen ersten Gehäuseteil 54 und einen zweiten Gehäuseteil 56 aufweist. Der erste Gehäuseteil 54 ist U-artig ausgebildet und weist an gegenüberliegenden Außenseiten des Gehäuses zwei Rastarme 60a, 60b auf, die an ihrem, in Fig. 8 unteren Ende jeweils mit einem Rastvorsprung 64a, 64b versehen sind. Die Rastvorsprünge 64a, 64b sind voneinander weg gerichtet. Um die Rastvorsprünge 64a, 64b in passende Durchgangsöffnungen in einer in Fig. 8 nicht dargestellten Leiterplatte einrasten zu können, müssen die Rastarme 60a, 60b also aufeinander zubewegt werden. Jeder der Rastvorsprünge 64a, 64b ist mit einer Anlaufschräge versehen. Die Rastarme 60a, 60b sind von dem Gehäuse 64 jeweils durch einen Zwischenraum 66a, 66b getrennt, der im Bereich der jeweiligen Anbindungsstelle zwischen dem Gehäuse 54 und den Rastarmen 60a, 60b jeweils bogenförmig endet. Die Zwischenräume 66a, 66b erstrecken sich ausgehend von einer Auflagefläche 55 des Gehäuses 54 bis auf eine Höhe von etwa 8/10 bis 9/10 des Gehäuses 54. Die Anbindungsstelle zwischen dem Rastarm 60a bzw. dem Rastarm 60b und dem Gehäuse 54 ist dadurch vergleichsweise weich ausgebildet, so dass die Rastarme 60a, 60b problemlos in Richtung auf das Gehäuse 54 zu gedrückt werden können.The direct plug connector 50 has a housing 52 which has a first housing part 54 and a second housing part 56. The first housing part 54 is U-shaped and has two locking arms 60a, 60b on opposite outer sides of the housing, which on their, in Fig. 8 lower end are each provided with a locking projection 64a, 64b. The locking projections 64a, 64b are directed away from one another. In order to insert the locking projections 64a, 64b into matching through openings in an in Fig. 8 In order to be able to lock in the printed circuit board (not shown), the locking arms 60a, 60b must therefore be moved towards one another. Everyone who Latching projections 64a, 64b are provided with a bevel. The latching arms 60a, 60b are each separated from the housing 64 by an intermediate space 66a, 66b, which ends in an arc shape in the region of the respective connection point between the housing 54 and the latching arms 60a, 60b. The intermediate spaces 66a, 66b extend from a support surface 55 of the housing 54 to a height of approximately 8/10 to 9/10 of the housing 54. The connection point between the latching arm 60a or the latching arm 60b and the housing 54 is therefore comparative designed to be soft, so that the latching arms 60a, 60b can be pressed towards the housing 54 without any problems.

Der zweite Gehäuseteil 56 ist mit insgesamt vier Kontakten 14a, 14b, 14c und 14d versehen, wobei die Kontakte 14a bis 14d sich in der Ansicht der Fig. 8 teilweise verdecken. Darüber hinaus ist der zweite Gehäuseteil 56 mit zwei Positionierstiften 56, 58 versehen. Die Positionierstifte 56, 58 sind als zylindrische Stifte mit kegelstumpfförmigen freien Enden ausgebildet und weisen jeweils einen mittigen Schlitz 68 auf. Die Positionierstifte 56, 58 können dadurch auf Höhe des Schlitzes 68 geringfügig zusammengedrückt werden. An ihrer Außenseite sind die Positionierstifte 56, 58 jeweils mit einem Rastvorsprung 70 versehen. Dieser Rastvorsprung ist wesentlich kleiner als die Rastvorsprünge 64a, 64b und soll lediglich für eine leichte Klemmwirkung bzw. Rastwirkung in den zugeordneten Durchgangsöffnungen der Leiterplatte sorgen.The second housing part 56 is provided with a total of four contacts 14a, 14b, 14c and 14d, the contacts 14a to 14d in the view of FIG Fig. 8 partially cover. In addition, the second housing part 56 is provided with two positioning pins 56, 58. The positioning pins 56, 58 are designed as cylindrical pins with frustoconical free ends and each have a central slot 68. The positioning pins 56, 58 can thereby be slightly compressed at the level of the slot 68. The positioning pins 56, 58 are each provided with a latching projection 70 on their outside. This latching projection is significantly smaller than the latching projections 64a, 64b and is only intended to ensure a slight clamping effect or latching effect in the associated through-openings of the circuit board.

Fig. 9 zeigt lediglich den ersten Gehäuseteil 54. Gut zu erkennen ist die U-Form des ersten Gehäuseteils 54 mit den beiden Rastarmen 60a, 60b. Die Unterseite der Basis des ersten Gehäuseteils 54, die im verbundenen Zustand der beiden Gehäuseteile 54, 56 dem zweiten Gehäuseteil 56 zugewandt ist, ist mit Positioniereinrichtungen 72 für Kabellitzen versehen. Die Positioniereinrichtungen 72 können beispielsweise auch für die einzelnen Kabellitzen eines Flachkabels vorgesehen sein. Ein Flachkabel wird in die Positioniereinrichtungen 72 eingelegt und dadurch gegen Verrutschen gesichert. Wird dann der erste Gehäuseteil 54 auf das zweite Gehäuseteil 56 aufgeschoben, bis die in Fig. 8 dargestellte Position erreicht ist, dringen die als Schneid-Klemm-Kontakte ausgebildeten oberen Enden der Kontakte 14a bis 14d in passende Durchgangsöffnungen in der Basis des ersten Gehäuseteils 54 ein und durchschneiden dabei die Isolierungen der Kabellitzen des Flachkabels. Durch einfaches Aufschieben des ersten Gehäuseteils 54 auf das zweite Gehäuseteil 56 können dadurch die Kabellitzen eines Flachkabels kontaktiert und fixiert werden. Fig. 9 shows only the first housing part 54. The U-shape of the first housing part 54 with the two locking arms 60a, 60b can be clearly seen. The underside of the base of the first housing part 54, which in the connected state of the two housing parts 54, 56 faces the second housing part 56, is provided with positioning devices 72 for cable strands. The positioning devices 72 can, for example, also be provided for the individual cable strands of a flat cable. A flat cable is inserted into the positioning devices 72 and thereby secured against slipping. If the first housing part 54 is then pushed onto the second housing part 56 until the in Fig. 8 is reached, the upper ends of the contacts 14a to 14d designed as insulation displacement contacts penetrate into matching through openings in the base of the first housing part 54 and cut through the insulation of the cable strands of the flat cable. By simply sliding the first housing part 54 onto the second housing part 56, the cable strands of a flat cable can be contacted and fixed.

Das zweite Gehäuseteil 56 ist mit in Fig. 8 nicht erkennbaren Rasthaken versehen, die dann in passende Hinterschnitte 74 an den Innenseiten der Schenkel des ersten Gehäuseteils 54 eingreifen und dadurch das erste Gehäuseteil 54 an dem zweiten Gehäuseteil 56 sichern. In diesem, aneinander gesicherten Zustand der beiden Gehäuseteile 54, 56, in dem, wie beschrieben, auch Kabellitzen bereits kontaktiert sind, kann der Direktsteckverbinder 50 dann auf eine Leiterplatte 36 aufgesetzt werden, wie in Fig. 10 dargestellt ist.The second housing part 56 is in Fig. 8 non-recognizable locking hooks are provided, which then fit into matching undercuts 74 on the inner sides of the legs of the first housing part 54 engage and thereby secure the first housing part 54 to the second housing part 56. In this mutually secured state of the two housing parts 54, 56, in which, as described, cable strands are also already contacted, the direct plug connector 50 can then be placed on a circuit board 36, as in FIG Fig. 10 is shown.

Fig. 11 zeigt den Direktsteckverbinder 50 der Fig. 10 von oben. In dieser Ansicht sind die Durchgangsöffnungen im ersten Gehäuseteil 54 und die darin angeordneten Kontakte 14a, 14b, 14c und 14d zu erkennen. In der Ansicht der Fig. 11 geht der Blick auf die als Schneid-Klemm-Kontakte ausgebildeten oberen Enden der Kontakte 14a bis 14c. Die Kabellitzen eines Flachbandkabels sind der Übersichtlichkeit halber nicht dargestellt. Fig. 11 FIG. 10 shows the direct connector 50 of FIG Fig. 10 from above. In this view, the through openings in the first housing part 54 and the contacts 14a, 14b, 14c and 14d arranged therein can be seen. In the view of the Fig. 11 if you look at the upper ends of the contacts 14a to 14c designed as insulation displacement contacts. The cable strands of a flat ribbon cable are not shown for the sake of clarity.

Fig. 12 zeigt den Direktsteckverbinder 50 der Fig. 10 von der Seite. Gut zu erkennen ist, dass die beiden Rasthaken 64a, 64b mit ihren jeweiligen Hinterschnitten gegenüber der Unterseite der Leiterplatte 36 liegen. Um den Direktsteckverbinder 50 wieder von der Leiterplatte 36 abzuziehen, müssten die beiden Rastarme 60a, 60b aufeinander zu gedrückt werden, bis die Rastvorsprünge 64a, 64b vollständig unterhalb der zugeordneten Durchgangsöffnungen in der Leiterplatte 36 angeordnet sind. Fig. 12 FIG. 10 shows the direct connector 50 of FIG Fig. 10 of the page. It can be clearly seen that the two latching hooks 64a, 64b with their respective undercuts lie opposite the underside of the circuit board 36. In order to remove the direct connector 50 from the circuit board 36 again, the two latching arms 60a, 60b would have to be pressed towards one another until the latching projections 64a, 64b are arranged completely below the associated through-openings in the circuit board 36.

Fig. 13 zeigt den Direktsteckverbinder 50 der Fig. 10 von der Seite. Fig. 13 FIG. 10 shows the direct connector 50 of FIG Fig. 10 of the page.

Fig. 14 zeigt den Direktsteckverbinder 50 der Fig. 10 von schräg unten. In dieser Ansicht gut zu erkennen ist, dass die Rastvorsprünge 64a, 64b die Leiterplatte 36 hintergreifen. Gut zu erkennen ist auch, wie die Positionierstifte 57 und 58 in passende Durchgangsöffnungen in der Leiterplatte 36 eingreifen. Fig. 14 FIG. 10 shows the direct connector 50 of FIG Fig. 10 from diagonally below. In this view it can be clearly seen that the latching projections 64a, 64b engage behind the circuit board 36. It can also be clearly seen how the positioning pins 57 and 58 engage in matching through openings in the circuit board 36.

Fig. 15 zeigt den Direktsteckverbinder 50 der Fig. 10 in einer Schnittansicht. Die Schnittebene geht dabei durch die Rastvorsprünge 64a, 64b. Fig. 15 FIG. 10 shows the direct connector 50 of FIG Fig. 10 in a sectional view. The cutting plane goes through the locking projections 64a, 64b.

Fig. 16 zeigt einen weiteren Direktsteckverbinder 80 gemäß einer weiteren nicht beanspruchten Ausführungsform der Erfindung im aufgesteckten Zustand auf eine Leiterplatte 36. Der Direktsteckverbinder 80 ist mit einem Gehäuse 82 versehen, das einstückig mit einem Rastarm 90 verbunden ist, an dessen unteren freien Ende ein Rastvorsprung 94 angeordnet ist. Fig. 16 shows a further direct connector 80 according to a further unclaimed embodiment of the invention in the plugged state onto a circuit board 36. The direct connector 80 is provided with a housing 82 which is integrally connected to a locking arm 90, at the lower free end of which a locking projection 94 is arranged .

Fig. 17 zeigt die Leiterplatte 36 der Fig. 16 von unten, wobei der Direktsteckverbinder 80 weitgehend verdeckt ist. Zu erkennen ist der Rastvorsprung 94, der mit seinem Hinterschnitt gegenüber der Unterseite der Leiterplatte 36 liegt und zuvor durch eine passende Fig. 17 shows the circuit board 36 of FIG Fig. 16 from below, the direct connector 80 being largely covered. The latching projection 94 can be seen, which lies with its undercut opposite the underside of the circuit board 36 and previously by a matching one

Durchgangsöffnung 96 in der Leiterplatte 36 hindurchgeschoben wurde. Das Gehäuse 82 ist mit zwei Positionierstiften 98, 100 versehen, die ebenfalls in passende Durchgangsöffnungen in der Leiterplatte 36 eingeschoben wurden. Die Kontakte 14 des Direktsteckverbinders 80 sind ebenfalls in eine passende Durchgangsöffnung 102 der Leiterplatte 36 eingeschoben worden, die an ihrer Innenwand elektrisch leitfähig ausgebildet ist.Through-opening 96 in the circuit board 36 was pushed through. The housing 82 is provided with two positioning pins 98, 100, which have also been inserted into matching through openings in the circuit board 36. The contacts 14 of the direct plug connector 80 have also been pushed into a matching through opening 102 of the circuit board 36, which is designed to be electrically conductive on its inner wall.

Fig. 18 zeigt den Direktsteckverbinder 80 der Fig. 16 in einer Seitenansicht. Zwischen dem Rastarm 90 und dem Gehäuse 82 ist ein Zwischenraum 86 angeordnet, der im Bereich der Anbindungsstelle, an der der Rastarm 90 und das Gehäuse 82 einstückig miteinander verbunden sind, bogenförmig endet. Das Gehäuse 82 und der Rastarm 90 können beispielsweise einstückig mittels Kunststoffspritzguss hergestellt werden. Fig. 18 FIG. 10 shows the direct connector 80 of FIG Fig. 16 in a side view. Between the locking arm 90 and the housing 82 there is an intermediate space 86 which ends in an arc shape in the area of the connection point at which the locking arm 90 and the housing 82 are integrally connected to one another. The housing 82 and the latching arm 90 can, for example, be produced in one piece by means of plastic injection molding.

Fig. 19 zeigt den Direktsteckverbinder 80 in einer Ansicht von oben. An der in Fig. 19 linken Seitenfläche des Gehäuses 82 sind zwei im Querschnitt schwalbenschwanzförmige Vorsprünge 88 zu erkennen. Sollen mehrere Gehäuse 82 nebeneinander angeordnet und miteinander verbunden werden, können die Vorsprünge 88 in passende, in Fig. 19 aber nicht erkennbare Nuten an der in Fig. 19 rechten Seitenfläche eines weiteren Gehäuses 82 eingeschoben werden. Fig. 19 shows the direct connector 80 in a view from above. At the in Fig. 19 On the left side surface of the housing 82, two projections 88, dovetailed in cross section, can be seen. If a plurality of housings 82 are to be arranged next to one another and connected to one another, the projections 88 can be adapted in Fig. 19 but not recognizable grooves on the in Fig. 19 right side face of a further housing 82 are inserted.

Claims (13)

  1. Direct plug-in connector (50) for making electrical contact with printed circuit boards, comprising a housing (52) and at least one contact (14), which is connected to the housing (52), for insertion into a first passage opening of a printed circuit board (36), which first passage opening is electrically conductive on the inner wall, having at least one latching device for securing the housing (52) on the printed circuit board (36), wherein the latching device has at least one elastically resilient latching arm (60a, 60b) which is integrally connected to the housing and has a latching projection (64a, 64b) in the region of its free end, wherein the latching arm (60a, 60b) and the housing (52) are separated by means of an intermediate space (66a, 66b), and wherein the housing (52) has at least one further positioning projection (56, 58) which is rigidly and integrally connected to the housing (52) and protrudes beyond the supporting face (72) of the housing (52),
    characterized in that
    the housing (52) is of two-part design, wherein a first housing part (54) is provided with the at least one latching arm (60a, 60b) and a second housing part (56) is provided with the contact (14a, 14b, 14c, 14d), in that the first housing part (54) is designed in general in a u-shape with two limbs and a base connecting the two limbs, and the second housing part is accommodated between the limbs of the first housing part, and in that the first housing part (54) engages over the second housing part (56).
  2. Direct plug-in connector according to claim 1, characterized in that a height of the intermediate space (66a, 66b) between the supporting face (72) and a connection point at which the latching arm (60a, 60b) and the housing (52) are connected to one another corresponds at least to half the height of the housing (52).
  3. Direct plug-in connector according to claim 2, characterized in that a height of the intermediate space (66a, 66b) lies between half and 9/10 the height of the housing (52).
  4. Direct plug-in connector according to at least one of the preceding claims, characterized in that a side face of the housing (52) and a side face of the latching arm (60a, 60b), which side faces delimit the intermediate space (66a, 66b), merge with one another in an arcuate manner at a connection point at which the latching arm (60a, 60b) and the housing (52) are connected to one another.
  5. Direct plug-in connector according to at least one of the preceding claims, characterized in that the latching projection (64a, 64b) at the free end of the latching arm (60a, 60b) is directed away from the housing (52).
  6. Direct plug-in connector according to at least one of the preceding claims, characterized in that an insertion slope which leads onto the latching projection (64a, 64b) is provided at the free end of the latching arm (60a, 60b).
  7. Direct plug-in connector according to at least one of the preceding claims, characterized in that the intermediate space (66a, 66b), which separates the latching arm (60a, 60b) and the housing (52), runs perpendicularly to a supporting face (72) of the direct plug-in connector on the printed circuit board (36) and in a straight line.
  8. Direct plug-in connector according to at least one of the preceding claims, characterized in that the housing (52) has a latching arm (60a, 60b) on each of two opposite side faces.
  9. Direct plug-in connector according to at least one of the preceding claims, characterized in that the housing (82) is provided with at least one dovetail-like groove and at least one dovetail-like tongue (88).
  10. Direct plug-in connector according to one of the preceding claims, characterized in that the contact (14) has at least one insulation-displacement contact for connection to at least one cable strand, wherein the first housing part (54) bears against the insulation-displacement contact in the state in which the first housing part (54) and the second housing part (56) are connected.
  11. Direct plug-in connector according to one of the preceding claims, characterized in that the base of the first housing part (54) is arranged on top of an upper side of the second housing part (56) in an assembled state of the first housing part (54) and the second housing part (56), wherein the upper side of the second housing part (56) is facing away from a printed circuit board (36) when the direct plug-in connector is arranged on the printed circuit board (36).
  12. Direct plug-in connector according to claim 11, characterized in that the first housing part (54) encompasses exclusively the upper side and the two opposite side faces of the second housing part (56).
  13. Direct plug-in connection, comprising at least one direct plug-in connector (50) according to at least one of the preceding claims and one printed circuit board (36) comprising at least one first passage opening, which is electrically conductive on the inner wall, for inserting the contact (14) and at least one second passage opening for inserting the latching projection (64a, 64b) and/or a positioning projection (56, 58) of the housing (52).
EP19181132.2A 2018-06-22 2019-06-19 Direct connector and direct connection Active EP3588684B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018210233.3A DE102018210233B4 (en) 2018-06-22 2018-06-22 Direct plug and direct plug connection

Publications (2)

Publication Number Publication Date
EP3588684A1 EP3588684A1 (en) 2020-01-01
EP3588684B1 true EP3588684B1 (en) 2020-12-02

Family

ID=66998280

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EP19181132.2A Active EP3588684B1 (en) 2018-06-22 2019-06-19 Direct connector and direct connection

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US (1) US11201434B2 (en)
EP (1) EP3588684B1 (en)
JP (1) JP6781303B2 (en)
KR (1) KR102330136B1 (en)
CN (1) CN110635271B (en)
DE (1) DE102018210233B4 (en)
ES (1) ES2861324T3 (en)
TW (1) TWI708437B (en)

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Also Published As

Publication number Publication date
TW202019027A (en) 2020-05-16
EP3588684A1 (en) 2020-01-01
DE102018210233A1 (en) 2019-12-24
DE102018210233B4 (en) 2020-01-09
TWI708437B (en) 2020-10-21
US20190393647A1 (en) 2019-12-26
JP6781303B2 (en) 2020-11-04
CN110635271B (en) 2021-05-04
KR102330136B1 (en) 2021-11-22
KR20200000373A (en) 2020-01-02
US11201434B2 (en) 2021-12-14
JP2020004718A (en) 2020-01-09
ES2861324T3 (en) 2021-10-06
CN110635271A (en) 2019-12-31

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