EP4156416B1 - Elektrischer verbinder mit dichtung - Google Patents

Elektrischer verbinder mit dichtung

Info

Publication number
EP4156416B1
EP4156416B1 EP22197049.4A EP22197049A EP4156416B1 EP 4156416 B1 EP4156416 B1 EP 4156416B1 EP 22197049 A EP22197049 A EP 22197049A EP 4156416 B1 EP4156416 B1 EP 4156416B1
Authority
EP
European Patent Office
Prior art keywords
unit
cover strip
housing
hook
stopper
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
EP22197049.4A
Other languages
English (en)
French (fr)
Other versions
EP4156416A1 (de
Inventor
Farshad Miraboutalebi
Björn SCHIWEK
Carsten HEINTZE
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.)
HellermannTyton GmbH and Co KG
Original Assignee
HellermannTyton 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 HellermannTyton GmbH and Co KG filed Critical HellermannTyton GmbH and Co KG
Publication of EP4156416A1 publication Critical patent/EP4156416A1/de
Application granted granted Critical
Publication of EP4156416B1 publication Critical patent/EP4156416B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R4/22—End caps, i.e. of insulating or conductive material for covering or maintaining connections between wires entering the cap from the same end
    • 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
    • H01R4/70—Insulation of connections
    • 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
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5213—Covers

Definitions

  • the disclosure relates to an electrical connector for electrically connecting, coupling, at least two electrical cables without using tools, comprising a housing, at least two insertion channels, arranged in the housing on a first side, for inserting bare metal ends of the electrical cables into the housing along an insertion direction, a metal clamping unit, arranged in the interior of the housing, for automatically clamping the bare metal ends inserted into the insertion channels and for electrically coupling the metal ends to one another, and a test channel, arranged in the housing on a second side of the housing, for inserting a mechanical test finger in order to test an electrical state of the clamping unit.
  • sealed electrical connections that have a high level of protection are desired, for example protection according to the IP67 or IP68 standard, according to the IP code, the International Protection Code.
  • the IP code is preferably based on DIN EN 60529 or ISO 20653 in the respectively valid version, for example September 2021.
  • EP 2 795 737 A1 discloses a connector with a sealing protective cap.
  • US 10 777 934 B2 also discloses a connector that can be sealed in different ways.
  • connectors that can be sealed by pushing sealing soft parts onto the cables in question prior to connection and then pulling the respective soft parts over the connection.
  • additional housings are also known, which are placed around the connection points, closed, and filled with a gel in order to seal the connection point, especially against water.
  • US 2007 281538 A1 discloses an electrical connector for a plurality of electrical cables with an electrically conductive body having a plurality of spaced apart cable-receiving passageways for receiving respective electrical cable ends therein, and having at least one respective fastener-receiving passageway intersecting each cable-receiving passageway.
  • the connector may also include an insulating cover on the electrically conductive body having a respective cable inlet aligned with each cable-receiving passageway.
  • a respective cable end seal may be associated with each cable inlet.
  • Each cable end seal may include an annular tear stop member including a series of concentric annular ribs, and a nipple coupled to an inner portion of the annular tear stop member so that the nipple is able to seal against smaller diameter electrical cable ends, and so that the annular tear stop member is able to be selectively torn and seal against larger diameter electrical cable ends.
  • the problem addressed is therefore that of being able to reliably seal electrical connections between two or more electrical cables with little effort, even in accordance with high IP protection classes, and especially against water or moisture.
  • the electrical connector comprises a housing, which is preferably made of plastic.
  • the housing may in particular be a housing composed of a plurality of housing parts, for example of a plurality of housing parts which are latched to one another by means of a latching connection.
  • the plastic of the housing and/or the housing parts may, for example be or comprises a polycarbonate (PC).
  • PC polycarbonate
  • the housing at least two, that is to say a plurality of, preferably exactly three insertion channels are arranged on a first side of the housing, a front side, said insertion channels in particular being arranged in a row.
  • the insertion channels serve for inserting into the housing, that is to say into an interior of the housing, along an insertion or plug-in direction, bare metal ends of the electrical cables to be connected.
  • the insertion direction here is specified identically for all the metal ends, so that the insertion channels extend in parallel.
  • a metal clamping unit Arranged in the interior of the housing, that is to say in the housing, is a metal clamping unit, which is protected against an environment surrounding the electrical connector by the housing as contact protection in the sense of electrical insulation.
  • the metal clamping unit serves to automatically clamp the bare metal ends inserted into the insertion channels and to automatically and permanently electrically couple the clamped metal ends to one another.
  • a test channel Arranged on a second side of the housing, a rear side, is a test channel for inserting a mechanical test finger, for example a phase tester or other electrical test device, along a further insertion direction.
  • the insertion direction and the further insertion direction are anti-parallel.
  • the test channel thus serves to temporarily electrically couple the test finger or test device to the metal clamping unit.
  • the electrical connector comprises a housing cover made of a pliable plastic, that is to say a flexible plastic, which is cast with the housing and seals the housing at the region(s) of the housing around which or over which it is cast.
  • the plastic of the housing cover is thus in particular more supple than the plastic of the housing.
  • the plastic of the housing cover may, for example, be or comprise a thermoplastic elastomer, TPE, and/or a thermoplastic vulcan-isate, TPV.
  • TPE thermoplastic elastomer
  • TPV thermoplastic vulcan-isate
  • any gaps between different housing parts can also be sealed by the housing cover.
  • the housing cover is formed in one piece with a cover strip, which is thus likewise cast with the housing and the housing cover.
  • the cover strip extends along a main extension direction, a length, of the cover strip from a first end of the cover strip to a second end of the cover strip.
  • the cover strip merges into the housing cover at the first end.
  • the cover strip has a cap unit for plugging into the insertion channels and thereby automatically sealing the insertion channels, and a stopper unit for plugging into the test channel and thereby automatically sealing the test channel.
  • the cover strip In an end region comprising the second end, in particular at the second end, the cover strip has a hook unit for hooking the cover strip onto an associated hook counterpart of the electrical connector in a sealing position.
  • the hook counterpart may be formed on the housing or, preferably, on the housing cover, so that in the sealing position the cover strip is fastened at both ends to the housing cover. In the sealing position of the cover strip, the cap unit is plugged into the insertion channels and the stopper unit is plugged into the test channel.
  • the one-piece design of the described sealable electrical connector has the advantage that, during the electrical connection and sealing, it is not necessary to handle a plurality of different parts, which prevents any loss of such parts and makes handling easier. Furthermore, production is also simplified and, due to the pliable plastic for example, the housing is also better protected against impacts, which reduces the risk of the housing breaking open and thus the sealing effect being lost.
  • the hook unit at the end of the cover strip as will be further explained below, the cover strip can be brought into the sealing position and secured in this position with a single operating action, that is to say both the cap unit and the stopper unit can be secured in their position by a single hook unit. This ensures particularly reliable sealing.
  • the hook unit can be unhooked without using tools and the stopper unit can be removed from the test channel in order to check, through the test channel, an electrical state of the electrical cables and/or of the metal clamping unit, for example whether a voltage is present at the metal ends of the cables.
  • the electrical connector can be sealed again, without impairing the quality of the seal.
  • the hook unit can thus ensure a pressing force of the cap unit and of the stopper unit into the insertion channels and the test channel, respectively, and thus the sealing reliability can be further increased.
  • the cap unit has a plurality of closure elements, which are each assigned to an insertion channel.
  • the closure elements may be individual closure elements, the cross-section of which is preferably round in a plane perpendicular to the insertion direction when the cap unit is plugged in, which improves the sealing of the individual insertion channels.
  • the closure elements have a respective closure element bottom, the thickness of which in the insertion direction is thin enough to be pierced by the respective bare metal end of the cable upon manual insertion of the bare metal end into the respective associated insertion channel in the insertion direction when the cap unit is plugged into the insertion channels, and thus when the cover strip is in the sealing position.
  • the respective closure elements in turn have a respective closure element insertion channel for inserting the bare metal ends of the electrical cables into the insertion channels of the housing along the insertion direction when the cover strip is in the sealing position.
  • the closure element insertion channels taper conically in the insertion direction towards the respective closure element bottom.
  • the cap unit is arranged between the first end and the stopper unit, and/or the stopper unit is arranged between the second end and the cap unit.
  • the distance between the cap unit and the first end and/or the distance between the stopper unit and the second end is smaller than the distance between the cap unit and the stopper unit.
  • the cover strip may be designed to be long enough to wrap around the entire housing.
  • a first distance between the cap unit and the first end of the cover strip along or on the cover strip is selected in such a way that the cover strip must be stretched in order to plug the cap unit into the insertion channels, and in particular is selected in such a way that, in the sealing position, a cover strip portion between the cap unit and the first end exerts on the cap unit a first tensile force, a first spring force, acting in the direction of the first end and brought about by the elasticity of the cover strip.
  • a length of the cover strip may thus be greater when the cap unit plugged in and also, as described below, when the stopper unit is plugged in and/or the hook unit is hooked on, therefore overall in the sealing position, than in a neutral position in which, without the action of any external forces, the cover strip is in contact with the housing cover only at its first end.
  • a second distance between the cap unit and the stopper unit along or on the cover strip is selected in such a way that the cover strip must be stretched in order to plug the stopper unit into the test channel when the cap unit is already plugged into the insertion channels.
  • the distance is selected in such a way that, in the sealing position, a cover strip portion between the cap unit and the stopper unit exerts on the stopper unit a second tensile force, a second spring force, acting in the direction of the cap unit and brought about by the elasticity of the cover strip, and vice versa.
  • a third distance between the stopper unit and the hook unit along or on the cover strip is selected in such a way that a cover strip portion between the stopper unit and the hook unit must be stretched in order to hook on the hook unit when the stopper unit is already plugged into the test channel.
  • the third distance may be selected in such a way that, in the sealing position, a cover strip portion between the stopper unit and the hook unit exerts on the hook unit a third tensile force, a third spring force, acting in the direction of the stopper unit and brought about by the elasticity of the cover strip.
  • the sealing forces can thus also be increased without affecting other properties of the electrical connector, for example a force required when inserting the bare metal ends into the (closure element) insertion channels. An electrical connector that can be particularly well sealed is thus also achieved as a result.
  • the housing cover has a guide groove or guide structure for receiving and guiding the cover strip arranged in the sealing position along its main extension direction.
  • the guide groove may be designed in the form of a depression in the housing cover, which fully accommodates the cover strip in the sealing position.
  • the guide groove may be designed as a guide channel with lateral guide cheeks and a guide bottom.
  • the cover strip and the housing cover merge into one another in a planar manner on an outer side of the housing cover and the cover strip.
  • the guide groove is a circumferential guide groove, which extends at least over parts of all sides. This has the advantage that slipping of the cover strip is prevented, and in addition friction forces between the housing cover and the cover strip along the direction of tension of the cover strip are increased, which especially in conjunction with the design options mentioned in the last paragraph leads to an advantageous distribution of the occurring forces and thus an improvement in the sealing effect.
  • the cover strip has at its first end and/or the housing cover has on the side of the first end of the cover strip, the third side, an undercut as a hook counterpart or as part of the hook counterpart, and in the sealing position of the cover strip the hook unit is designed to engage in the undercut and thus to secure or keep the cover strip hooked in the sealing position.
  • the cover strip in the sealing position may thus be arranged to extend once around the housing cover in a plane extending parallel to the insertion direction. This has the advantage that the cover strip in the sealing position is secured in a manner wrapped around the housing and thus can be particularly reliably kept in the sealing position.
  • the respective elasticity-induced forces between the first end and the cap unit, the cap unit and the stopper unit, and the stopper unit and the hook unit, as described above, can be selected to be particularly large, which contributes to particularly tight and reliable sealing.
  • a first step comprises plugging the cap unit into the insertion channels, which is followed by the second method step of plugging the bare ends of the electrical cables into the insertion channels, the bare ends thereby piercing the cap unit.
  • Further steps of the method comprise plugging the stopper unit into the test channel and hooking the hook unit onto the hook counterpart, it being possible for these two method steps to be carried out before or after, but preferably before, the second method step, plugging the bare ends of the electrical cables into the insertion channels, thereby piercing the cap unit.
  • the housing may be created by latching at least two housing parts to one another.
  • the overmoulding may seal one or more gaps, in particular all gaps, between the at least two housing parts by means of the housing cover.
  • the method has the advantage that the electrical connector is produced in a particularly efficient manner, in particular the housing itself does not have to meet any particular sealing requirements since not only does the housing cover provide the sealing cap unit and stopper unit, but also the housing itself can be sealed, including any gaps.
  • Fig. 1 shows a conventional electrical connector, which is suitable for electrically connecting at least two, in the present case three, electrical cables without using tools.
  • the electrical connector comprises a housing 1, in the present case composed of two housing parts 1a and 1b, and at least two, here three, insertion channels 2 for inserting bare metal ends 19 ( Fig. 8 ) of electrical cables 18 ( Fig. 8 ) into the housing 1 along an insertion direction E, said insertion channels being arranged on a first side in the housing 1, here an upper side in the positive y-direction.
  • a metal clamping unit 17 for the purpose of electrically connecting the cables, but not shown here, a metal clamping unit 17 ( Fig.
  • a test channel 3 for inserting a test finger, for example a phase tester, here in a further insertion direction T opposite to the insertion direction E.
  • Fig. 3 now shows an exemplary electrical connector 100 according to an embodiment of the present disclosure, which in the present case, in addition to the features explained with reference to Figs. 1 and 2 , also has a housing cover 4 made of a pliable plastic, which is cast with the housing 1.
  • the housing cover 4 is thus made of a plastic that is supple in comparison to the housing 1.
  • the housing cover 4 is formed in one piece with a cover strip 5, which extends here from a first end 6 close to the housing to a second end 7 remote from the housing.
  • the cover strip 5 merges into the housing cover 4 at the first end 6.
  • the cover strip 5 has a cap unit 8 for plugging into the insertion channels 2 and a stopper unit 9 for plugging into the test channel 3.
  • the cover strip 5 has a hook unit 10 for hooking the cover strip 5 onto an associated hook counterpart 16 ( Fig. 5 ) of the electrical connector 100 in a sealing position of the cover strip 5.
  • the electrical connector 100 is configured to seal the electrical connection between the electrical cables, and is thus in a sealing configuration in which the cap unit 8 is plugged into the insertion channels 2 and the stopper unit 9 is plugged into the test channel 3.
  • the cap unit 8 has a plurality of individual closure elements 11, which are each assigned to an insertion channel 2 and have a respective closure element bottom 12, the thickness of which is thin enough for the closure element bottom 12 to be pierced by the respective bare metal end upon insertion of the metal end of the electrical cable into the respective insertion channel 4 when the cap unit 8 is plugged into the insertion channels two.
  • the cap unit 8 is arranged on the cover strip 4, then the stopper unit 9, and finally the hook unit 10.
  • the distance d2 between the cap unit 8 and the stopper unit 9 along the cover strip 5 is longer than the distance d1 between the first end 6 and the cap unit 8 and the distance d3 between the stopper unit 9 and the second end 7.
  • the distances d1, d2 and d3 thus correspond to respective distances between the insertion channels 2, the test channel 3 and the hook counterpart 16 along the outer side of the housing cover 4, the distances d1, d2, d3 being selected here in such a way that the cover strip 5 must be stretched somewhat in order to plug the cap unit 8 onto the insertion channels 2, to push the stopper unit 9 into the test channel 3, and to hook the hook unit 10 onto the corresponding counterpart.
  • the first end 6 of the cover strip 5 merges into the housing cover 4 on a third side, here a rear side in the positive z-direction.
  • a guide groove 13 with lateral guide walls 14 is arranged on the diametrically opposite fourth side, here a front side in the negative z-direction, which further stabilizes the cover strip 5 in the sealing position, as demonstrated below.
  • Fig. 4 shows the exemplary connector 100 of Fig. 3 in the sealing configuration, with the cover strip 5 in the sealing position.
  • the cap unit 8 is plugged into the insertion channels 3, and the cover strip 5 is sunk into the guide groove 13 and held therein.
  • the cover strip 5 extends with its surface planar with the housing cover 4.
  • a compact, ready-to-use electrical connector is thus shown, in which, in order to connect the cables in a sealed manner, said cables need only be inserted with their bare metal ends into the closure element insertion channels 15 associated with the respective insertion channels 2, thereby piercing the closure element bottoms, in order to establish a sealed connection of the cables.
  • the connector 100 can thus advantageously be pre-assembled in the sealing configuration.
  • the thickness of the closure element bottoms 12 (here measured in the y-direction) is selected to be thin enough that the piercing can take place without tools, that is to say by the force of an operator.
  • Fig. 5 shows the electrical connector of Fig. 4 from the rear side thereof.
  • the hook unit 10 is hooked onto the corresponding counterpart 16, which in the present case is designed in the form of an undercut in the housing cover 4.
  • the guide groove already shown in Fig. 4 also extends along the illustrated fourth side in order to better secure the cover strip 5 in the sealing position.
  • Fig. 6 now shows a sectional view of the electrical connector of Figs. 3 to 5 in a section plane that extends perpendicular to the upper side, underside, front side and rear side. Accordingly, the cover strip 5 in the sealing position is now wrapped once around the housing cover 4, that is to say through more than 330°, here almost 360°. The cap unit 8 and the stopper unit 9 are thus securely held in the sealing position by the hook unit 10.
  • Fig. 7 in which the described exemplary embodiment of the electrical connector is shown in a sectional view, with a section plane perpendicular to the section plane of Fig. 6 , shows that the closure element insertion channels 15, in the present case unlike the insertion channels 2 of the housing 1, taper conically towards the respective closure element bottom 12.
  • Fig. 8 a reliable sealing of the cap unit 8 can thus be achieved even for different diameters d4 of the cables 18 provided with external insulation 22 and an internal metal core 23, the stripped bare metal ends 19 of which cables have pierced the respective bottoms 12.
  • the configuration described here results in both external sealing surfaces 20 and internal sealing surfaces 21 for the cap unit 8, which further improves the sealing behaviour. This particularly applies to the internal sealing surfaces 21, which are pressed against the housing 1 by the plugged-in cables 18.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Claims (11)

  1. Elektrischer Verbinder zum werkzeugfreien elektrischen Verbinden zumindest zweier elektrischer Kabel (18), mit
    - einem Gehäuse (1);
    - zumindest zwei in dem Gehäuse (1) an einer ersten Seite angeordneten Einführkanälen (2) zum Einführen blanker Metallenden (19) der elektrischen Kabel (18) in das Gehäuse (1) entlang einer Einführrichtung (E);
    - einer im Gehäuse (1) angeordneten metallischen Klemmeinheit (17) zum Verklemmen der in die Einführkanäle (2) eingeführten blanken Metallenden (19) und elektrischen Koppeln der Metallenden (19) miteinander; und
    - einem in dem Gehäuse (1) an einer zweiten Seite angeordnetem Testkanal (3) zum Einführen eines Testfingers;
    gekennzeichnet durch
    - eine mit dem Gehäuse (1) vergossene Gehäusehülle (4) aus einem biegeweichen Kunststoff;
    - wobei die Gehäusehülle (4) einstückig mit einem Hüllband (5) ausgebildet ist, welches sich von einem ersten Ende (6) des Hüllbands (5) zu einem zweiten Ende (7) des Hüllbands (5) erstreckt, wobei:
    - das Hüllband (5) am ersten Ende (6) in die Gehäusehülle (4) übergeht, und
    - das Hüllband (5) zwischen dem ersten Ende (6) und dem zweiten Ende (7) eine Kappeneinheit (8) zum Einstecken in die Einführkanäle (2) und eine Stopfeneinheit (9) zum Einstecken in den Testkanal (3) aufweist, sowie
    - das Hüllband (5) in einem das zweite Ende (7) umfassenden Endbereich eine Verhakeinheit (10) zum Verhaken des Hüllbands (5) an einem zugeordneten Verhak-Gegenstück (16) des elektrischen Verbinders in einer Abdichtposition aufweist, wobei in der Abdichtposition die Kappeneinheit (8) in die Einführkanäle (2) eingesteckt ist und die Stopfeneinheit (9) in den Testkanal (3) eingesteckt ist,
    wobei
    - der erste Abstand (d1) zwischen Kappeneinheit (8) und erstem Ende (6) des Hüllbands (5) entlang dem Hüllband (5) derart gewählt ist, dass das Hüllband (5) für das Einstecken der Kappeneinheit (8) in die Einführkanäle (2) gedehnt werden muss, und insbesondere derart gewählt ist, dass ein Hüllband-Abschnitt zwischen Kappeneinheit (8) und erstem Ende (6) in der Abdichtposition eine in Richtung des ersten Endes (6) wirkende erste Kraft auf die Kappeneinheit (8) ausübt; oder
    - der zweite Abstand (d2) zwischen Kappeneinheit (8) und Stopfeneinheit (9) entlang dem Hüllband (5) derart gewählt ist, dass das Hüllband (5) für das Einstecken der Stopfeneinheit (9) in den Testkanal (3) bei bereits in die Einführkanäle (2) eingesteckter Kappeneinheit (8) gedehnt werden muss, und insbesondere derart gewählt ist, dass ein Hüllband-Abschnitt zwischen Kappeneinheit (8) und Stopfeneinheit (9) in der Abdichtposition eine in Richtung der Kappeneinheit (8) wirkende zweite Kraft auf die Stopfeneinheit (9) ausübt; oder
    - der dritte Abstand (d3) zwischen Stopfeneinheit (9) und Verhakeinheit (10) entlang dem Hüllband (5) derart gewählt ist, dass ein Hüllband-Abschnitt zwischen Stopfeneinheit (9) und Verhakeinheit (10) für das Verhaken der Verhakeinheit (10) bei bereits in den Testkanal (3) eingesteckter Stopfeneinheit (9) gedehnt werden muss, und insbesondere derart gewählt ist, dass ein Hüllband-Abschnitt zwischen Stopfeneinheit (9) und Verhakeinheit (10) in der Abdichtposition eine in Richtung der Stopfeneinheit (9) wirkende dritte Kraft auf die Verhakeinheit (10) ausübt.
  2. Elektrischer Verbinder nach dem vorhergehenden Anspruch,
    dadurch gekennzeichnet, dass
    die Kappeneinheit (8) mehrere jeweils einem Einführkanal (2) zugeordnete Verschlusselemente (11) aufweist, welche insbesondere einen jeweiligen Verschlusselement-Boden (12) haben, dessen Dicke in der Einführrichtung (E) dünn genug ist zum Durchstoßen des Verschlusselement-Bodens (12) mit dem jeweiligen blanken Metallende (19) beim Einführen des blanken Metallendes (19) in der Einführrichtung (E) in den zugeordneten Einführkanal (2) wenn die Kappeneinheit (8) in die Einführkanäle (2) eingesteckt ist.
  3. Elektrischer Verbinder nach dem vorhergehenden Anspruch,
    dadurch gekennzeichnet, dass
    die jeweiligen Verschlusselemente (11) einen jeweiligen Verschlusselement-Einführkanal (15) zum Einführen der blanken Metallenden (19) entlang der Einführrichtung (E) bei sich in der Abdichtposition befindendem Hüllband (5) aufweisen, wobei die Verschlusselement-Einführkanäle (2) in der Einführrichtung (E) zum dem jeweiligen Verschlusselement-Boden (12) hin konisch zulaufen.
  4. Elektrischer Verbinder nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass
    entlang des Hüllbands (5) die Kappeneinheit (8) zwischen dem ersten Ende (6) und der Stopfeneinheit (9) angeordnet ist, und/oder die Stopfeneinheit (9) zwischen dem zweiten Ende (7) und der Kappeneinheit (8); wobei insbesondere der erste Abstand (d1) zwischen Kappeneinheit (8) und erstem Ende (6) und/oder der dritte Abstand (d3) zwischen Stopfeneinheit (9) und zweiten Ende (7) geringer ist als der zweite Abstand (d2) zwischen Kappeneinheit (8) und Stopfeneinheit (9).
  5. Elektrischer Verbinder nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass
    - der erste Abstand (d1) zwischen Kappeneinheit (8) und erstem Ende (6) des Hüllbands (5) entlang dem Hüllband (5) derart gewählt ist, dass das Hüllband (5) für das Einstecken der Kappeneinheit (8) in die Einführkanäle (2) gedehnt werden muss, und insbesondere derart gewählt ist, dass ein Hüllband-Abschnitt zwischen Kappeneinheit (8) und erstem Ende (6) in der Abdichtposition eine in Richtung des ersten Endes (6) wirkende erste Kraft auf die Kappeneinheit (8) ausübt; und
    - der zweite Abstand (d2) zwischen Kappeneinheit (8) und Stopfeneinheit (9) entlang dem Hüllband (5) derart gewählt ist, dass das Hüllband (5) für das Einstecken der Stopfeneinheit (9) in den Testkanal (3) bei bereits in die Einführkanäle (2) eingesteckter Kappeneinheit (8) gedehnt werden muss, und insbesondere derart gewählt ist, dass ein Hüllband-Abschnitt zwischen Kappeneinheit (8) und Stopfeneinheit (9) in der Abdichtposition eine in Richtung der Kappeneinheit (8) wirkende zweite Kraft auf die Stopfeneinheit (9) ausübt; und
    - der dritte Abstand (d3) zwischen Stopfeneinheit (9) und Verhakeinheit (10) entlang dem Hüllband (5) derart gewählt ist, dass ein Hüllband-Abschnitt zwischen Stopfeneinheit (9) und Verhakeinheit (10) für das Verhaken der Verhakeinheit (10) bei bereits in den Testkanal (3) eingesteckter Stopfeneinheit (9) gedehnt werden muss, und insbesondere derart gewählt ist, dass ein Hüllband-Abschnitt zwischen Stopfeneinheit (9) und Verhakeinheit (10) in der Abdichtposition eine in Richtung der Stopfeneinheit (9) wirkende dritte Kraft auf die Verhakeinheit (10) ausübt.
  6. Elektrischer Verbinder nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass
    die Gehäusehülle (4) zumindest an einer Seite, insbesondere der zweiten Seite und/oder der mit dem ersten Ende (6) versehenen Seite, einer dritten Seite, und/oder einer der dritten Seite gegenüberliegenden vierten Seite, eine Führungsnut (13) zum Führen des Hüllbands (5) aufweist.
  7. Elektrischer Verbinder nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass
    das Hüllband (5) an seinem ersten Ende (6) und/oder die Gehäusehülle (4) auf der Seite des ersten Endes (6) des Hüllbands (5), der dritten Seite, eine Hinterschneidung als Verhak-Gegenstück (16) oder Teil des Verhak-Gegenstücks (16) aufweist, und die Verhakeinheit (10) ausgebildet ist, in der Abdichtposition des Hüllbands (5) in die Hinterschneidung einzugreifen und das Hüllband (5) somit in der Abdichtposition zu fixieren.
  8. Elektrischer Verbinder nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass
    erste und zweite Seite gegenüberliegende Seiten sind, insbesondere mit der Einführrichtung (E) antiparallel zu einer weiteren Einführrichtung, in welcher die Stopfeneinheit (9) in den Testkanal (3) einsteckbar ist, und insbesondere die dritte Seite quer zu erster und zweiter Seite verläuft.
  9. Elektrischer Verbinder nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass
    das Hüllband (5) in der Abdichtposition in einer parallel zur Einführrichtung (E) verlaufenden Ebene einmal umlaufend um die Gehäusehülle (4) verläuft.
  10. Elektrischer Verbinder nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass
    das Gehäuse (1) ein aus mehreren Gehäuseteilen (1a, 1b) zusammengesetztes Gehäuse (1) ist, insbesondere aus mehreren miteinander verrasteten Gehäuseteilen (1a,1b).
  11. Verfahren zum Herstellen eines elektrischen Verbinders mit den Verfahrensschritten:
    - Erzeugen des Gehäuses (1) mit zumindest zwei Einführkanälen (2) zum Einführen blanker Metallenden (19) der elektrischen Kabel (18) in das Gehäuse (1) und mit einer metallischen Klemmeinheit (17) zum Verklemmen der in die Einführkanäle (2) eingeführten blanken Metallenden (19) und zum elektrischen Koppeln der Metallenden (19) miteinander;
    - Halten des erzeugten Gehäuses (1) in einem an die Einführkanäle (2) angrenzenden ersten Bereich des Gehäuses (1) und einem von dem ersten Bereich verschiedenen zweiten Bereich, welcher an den Testkanal (3) angrenzt, aber nicht in den ersten Bereich übergeht;
    - Umspritzen des gehaltenen Gehäuses (1) mit einem Kunststoff als Gehäusehülle (4), wobei einstückig mit der Gehäusehülle (1) auch ein Hüllband (5) an das Gehäuse (1) gespritzt wird;
    wobei
    - der erste Abstand (d1) zwischen Kappeneinheit (8) und erstem Ende (6) des Hüllbands (5) entlang dem Hüllband (5) derart gewählt ist, dass das Hüllband (5) für das Einstecken der Kappeneinheit (8) in die Einführkanäle (2) gedehnt werden muss, und insbesondere derart gewählt ist, dass ein Hüllband-Abschnitt zwischen Kappeneinheit (8) und erstem Ende (6) in der Abdichtposition eine in Richtung des ersten Endes (6) wirkende erste Kraft auf die Kappeneinheit (8) ausübt; oder
    - der zweite Abstand (d2) zwischen Kappeneinheit (8) und Stopfeneinheit (9) entlang dem Hüllband (5) derart gewählt ist, dass das Hüllband (5) für das Einstecken der Stopfeneinheit (9) in den Testkanal (3) bei bereits in die Einführkanäle (2) eingesteckter Kappeneinheit (8) gedehnt werden muss, und insbesondere derart gewählt ist, dass ein Hüllband-Abschnitt zwischen Kappeneinheit (8) und Stopfeneinheit (9) in der Abdichtposition eine in Richtung der Kappeneinheit (8) wirkende zweite Kraft auf die Stopfeneinheit (9) ausübt; oder
    - der dritte Abstand (d3) zwischen Stopfeneinheit (9) und Verhakeinheit (10) entlang dem Hüllband (5) derart gewählt ist, dass ein Hüllband-Abschnitt zwischen Stopfeneinheit (9) und Verhakeinheit (10) für das Verhaken der Verhakeinheit (10) bei bereits in den Testkanal (3) eingesteckter Stopfeneinheit (9) gedehnt werden muss, und insbesondere derart gewählt ist, dass ein Hüllband-Abschnitt zwischen Stopfeneinheit (9) und Verhakeinheit (10) in der Abdichtposition eine in Richtung der Stopfeneinheit (9) wirkende dritte Kraft auf die Verhakeinheit (10) ausübt.
EP22197049.4A 2021-09-23 2022-09-22 Elektrischer verbinder mit dichtung Active EP4156416B1 (de)

Applications Claiming Priority (1)

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DE202021105126.4U DE202021105126U1 (de) 2021-09-23 2021-09-23 Elektrischer Verbinder mit Abdichtung

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EP4156416B1 true EP4156416B1 (de) 2025-09-03

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6688921B2 (en) 2001-10-10 2004-02-10 Thomas & Betts International, Inc. Thermoplastic molded set screw connector assembly
US6854996B2 (en) * 2002-12-20 2005-02-15 Tyco Electronics Corporation Electrical connectors and methods for using the same
MX2008015619A (es) 2006-06-05 2009-02-03 Thomas & Betts Int Conector electrico que incluye sellos de extremo de cable y metodos relacionados.
GB2439113A (en) 2006-06-16 2007-12-19 Greenwood Air Man Ltd Seal for electrical terminal block
WO2013092278A1 (en) 2011-12-23 2013-06-27 Delphi Connection Systems Holding France Connector assembly with seal protection cap
US20140082938A1 (en) 2012-09-27 2014-03-27 Herbert King, JR. Waterproof wire connectors
CN208782091U (zh) * 2018-05-15 2019-04-23 泰科电子(上海)有限公司 连接器
US10777934B2 (en) 2018-07-16 2020-09-15 Te Connectivity Corporation Electrical connector which accepts different seal configurations
DE202020103477U1 (de) 2020-06-17 2021-09-21 WAGO Verwaltungsgesellschaft mit beschränkter Haftung Verschlusselement

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