EP2685570A1 - Elektrosteckernordnung mit Verriegelungselement - Google Patents

Elektrosteckernordnung mit Verriegelungselement Download PDF

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Publication number
EP2685570A1
EP2685570A1 EP20120176217 EP12176217A EP2685570A1 EP 2685570 A1 EP2685570 A1 EP 2685570A1 EP 20120176217 EP20120176217 EP 20120176217 EP 12176217 A EP12176217 A EP 12176217A EP 2685570 A1 EP2685570 A1 EP 2685570A1
Authority
EP
European Patent Office
Prior art keywords
connector
plug
mating
locking
locking member
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20120176217
Other languages
English (en)
French (fr)
Other versions
EP2685570B1 (de
Inventor
John Marsh
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.)
Tyco Electronics UK Ltd
Original Assignee
Tyco Electronics UK Ltd
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 Tyco Electronics UK Ltd filed Critical Tyco Electronics UK Ltd
Priority to EP12176217.3A priority Critical patent/EP2685570B1/de
Priority to PCT/EP2013/064372 priority patent/WO2014009309A1/en
Publication of EP2685570A1 publication Critical patent/EP2685570A1/de
Application granted granted Critical
Publication of EP2685570B1 publication Critical patent/EP2685570B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • 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
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/641—Means for preventing incorrect coupling by indicating incorrect coupling; by indicating correct or full engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the present invention relates to an electrical plug-in connector assembly, in particular for establishing an electrical connection with an airbag arrangement in a vehicle, comprising a connector, a mating connector adapted to be mated with the connector along a plug direction, and a locking member adapted to be moved in an actuation direction, wherein in a final state of the plug-in connector assembly, the connector is in a fully mated position with the mating connector and the locking member is in a locking position where it is supported at least at the connector and secures the connector and the mating connector in the fully mated position.
  • the present invention relates to a connector for an electrical plug-in connector assembly, in particular for establishing an electrical connection with an airbag arrangement in a vehicle, the connector adapted to be mated in a plug direction with a mating connector of the plug-in connector assembly and comprising a guidance defining an actuation direction of a locking member for securing the connector in a fully mated position with the mating connector.
  • the present invention relates to a mating connector for an electrical plug-in connector assembly, in particular for establishing an electrical connection with an airbag arrangement in a vehicle, the mating connector adapted to be brought into a fully mated position with a connector of the plug-in connector assembly along a mating plug direction.
  • plug-in connector assemblies electrical plug-in connector assemblies, connectors and mating connectors of the kind mentioned above are known.
  • the connector assemblies are used e.g. for establishing an electrical connection to an airbag arrangement in a vehicle in order to activate the squib and hence inflate the airbag in case of an emergency or accident.
  • plug-in connector assemblies are in general initially locked in the fully mated position by primary locking features between the connector and the mating connector, e.g. a pocket assembly.
  • the primary locking feature may e.g. comprise a latch at the connector and a counter latch at the mating connector, which are brought in engagement with each other in the fully mated position.
  • a locking member which is also referred to as a connector positioning assurance (CPA) is then commonly used to support the primary latch to increase retention force, thus ensuring that the fully mated position is reached and that the primary locking feature is secured in order to protect the plug-in connector assembly from accidental latch deflection.
  • CPA connector positioning assurance
  • a standard pocket interface for the electrical connection to a squib or gas generator in an airbag arrangement of a vehicle is defined in ISO 19072-1.
  • serviceable plug-in connector assemblies comprise a separate moulded retainer which is received within the pocket to create an interface of the mating connector adapted for receiving the connector, i.e. squib connector.
  • the pocket contains an undercut which is used for latching the retainer and the connector within the pocket.
  • a retention force holding the retainer within the pocket and securing it against displacement opposite to the plug direction is commonly relatively low and amounts to about 10 N.
  • the connector is directly locked at the pocket undercut with higher retention forces exerted by the primary locking feature.
  • the primary locking feature provides only a medium retention force of about 40 N until a secondary component, such as the locking member, is moved behind the primary lock to prevent it from deflecting and increasing the retention force to more than 120 N.
  • a secondary component such as the locking member
  • an object underlying the invention is to provide high retention forces retaining the plug-in connector assembly in the locking position.
  • a further object of the invention is to provide high retention forces already by a primary lock in the fully mated position.
  • the actuation direction extends essentially perpendicularly to the plug direction and in that the locking member is in mesh with the mating connector at least in the final state.
  • the locking member may be in mesh with the mating connector by engaging the mating connector so that the locking member may transmit a retention force directly to the mating connector for locking the connector and the mating connector in the fully mated state.
  • the problem is solved in that the actuation direction extends essentially perpendicularly to the plug direction and in that the guidance is at least partially adapted to support the locking member in a direction opposite to the plug direction.
  • a counter locking organ at least partially extending perpendicularly to the mating plug direction and facing opposite to the mating plug direction in order to support a locking organ at the mating connector for locking the connector and the mating connector in the fully mated position.
  • the locking member may additionally serve as a CPA and may be adapted to be moved into engagement with the mating connector in a direction perpendicular to the plug direction in order to prevent movements of the connector with respect to the mating connector at least against the plug direction.
  • the locking member may provide a secondary locking function which may be realized independently of any primary locking function.
  • the primary locking function may be designed to provide high retention forces, e.g. of more than 110 N as required by customers.
  • the primary locking function may be realized by means such as latches, notches, noses, detents, catches and/or stops, which do not interfere with the locking member and/or do not rely thereon for achieving a desired high retention force.
  • the locking element may at least partially be formed as a sliding bolt and the counter locking element may at least partially be formed as a lug interleaving with the locking element in a projection along the plug direction. Thereby, the locking element may be easily brought into engagement with the counter locking element by sliding the locking member in the actuation direction.
  • the locking member may comprise a blocking organ and the connector may comprise a stop, wherein in a pre-mated position of the connector and the mating connector, an actuation of the locking member may be limited at the stop by the blocking organ. Thereby, the locking member may signalize that the connector and the mating connector are not properly mated in the fully mated position. A premature actuation of the locking member may be prevented.
  • the stop may prevent the locking member from being transferred from a release position or pre-locking position to the locking position in the pre-mated position. In other words, a movement of the locking member may be blocked in a pre-mated position of the plug-in connector assembly, i.e. before the connector and the mating connector have reached their fully mated position.
  • a de-blocking organ of the mating connector may release the blocking organ from the stop so that the locking member is transferable from the pre-locking position into the locking position.
  • a catch formed at the blocking organ may be in engagement with a counter catch of the connector, so that the locking member is latched at the connector in the locking position. Thereby, the locking member may be secured in the locking position.
  • the latching interaction between the catch and the counter catch may signalize, e.g. by an audible clicking sound, that the locking member has properly reached the locking position.
  • the mating connector may comprise a retainer providing a counter latching element and the connector may comprise a latching element, wherein in the fully mated position, the latching element and the counter latching element may prevent movements of the connector with respect to the mating connector at least opposite to the plug direction.
  • the latching element and the counter latching element may serve as a primary lock.
  • the locking member may provide the secondary lock. Hence, the primary and the secondary lock may provide redundancy in locking the connector and the mating connector in the fully mated position.
  • the locking member may additionally close any access to the primary lock, at least when the locking member is in the locking position.
  • the at least one counter latching element may be formed as a nose extending from a mating plug portion of the mating connector essentially radially away from a middle axis of the plug-in connector assembly.
  • the connector may be latched with the mating connector directly in a way that is also referred to as an inertia-type locking.
  • a high force is required to overcome latch deflection in a so called inertia type locking.
  • An inertia of this force after latch deflection helps to ensure full mating.
  • high retention forces and snap-in signalization of the latching element and the counter latching element in the fully mated position may be provided.
  • the retainer of the mating connector may provide a cavity for at least partially receiving a header shroud or plug portion of the connector.
  • the latching element may protrude laterally into said cavity.
  • the connector may be directly latched at the retainer instead of the pocket in order to avoid restrictions in supporting the connector at the pocket undercut.
  • the latching element and the counter latching element may be at least a part of a primary lock and the locking member may at least be a part of a secondary lock, wherein the primary lock and the secondary lock independently of each other may lock the connector and the mating connector in the fully mated position.
  • the primary lock which may comprise or be constituted by at least one latching element and a corresponding counter latching element, may be designed to provide high retention forces of above 110 N independently of the secondary lock.
  • a movement of the locking member in the actuation direction may be blocked at the latching element and/or the counter latching element in a pre-mated position of the connector.
  • the latching element may be deflected so that it is in the way of the locking member.
  • the locking member In the locking position, the locking member may serve as a CPA in that inhibits deflection of the latching element and secures the latching element and/or primary lock.
  • the locking member may at least restrict an access to the latching element and/or the counter latching element from outside the plug-in connector assembly in the final state. Thereby, the locking member may prevent that the latching element is deflected and/or the primary lock is opened when the locking member is in the locking position. Thus, the locking member may prevent inadvertently, accidentally and/or inappropriately disconnecting the connector and the mating connector.
  • the connector may comprise a housing which may be provided with an opening to said guidance wherein the opening is arranged laterally at the housing and faces into a direction essentially perpendicular to the plug direction.
  • the locking member may be easily inserted into the connector and actuated in that it may protrude laterally from the opening in the pre-locking position in order to be brought into alignment with a lateral face of the connector when reaching the locking position by being pushed in the actuating direction.
  • the guidance may be provided with a stop facing opposite to the actuation direction, so that in a pre-mated position of the connector, movements of the locking member in the actuation direction may be limited at the stop. Thereby, the locking member may be prevented from accidentally assuming the locking position before the connector and the mating connector are in their fully mated position.
  • the locking member can thus be used as an indicator for indicating whether the connector and the mating connector are in a pre-mated position or in the fully mated position.
  • a de-blocking organ may at least partially protrude from the mating connector in the mating plug direction and may be adapted to release a blocking organ of a locking member for securing the connector and the mating connector in the fully mated position.
  • the de-blocking organ may be formed as a stud protruding from the mating connector in the mating plug direction in order to lift the blocking organ from a stop formed at the connector when reaching the fully mated position.
  • the mating connector may comprise a mating plug portion provided with a counter latching element adapted to engage a latching element of the connector in order to prevent movements of the mating connector with respect to the connector at least against the mating plug direction.
  • the counter latching element may be formed as a latching nose and the latching element as a latching tongue with an opening or recess for engaging the latching element in a positive-fit manner.
  • an inertia-type primary locking feature may be provided which may serve for indicating that the connector and the mating connector have reached the fully mated position by generating an audible clicking sound for example and providing high retention forces keeping the connector and the mating connector in the fully mated position.
  • a cavity for at least partially receiving a header shroud or plug portion of the connector may be formed between the counter latching element and a wall of the mating connector.
  • the primary latching function of the plug-in connector assembly may be arranged within the connector, i.e. in the cavity accommodating the plug portion.
  • the primary locking feature may be protected against detrimental environmental influences and protected within the plug-in connector assembly.
  • the mating connector may comprise a retainer accommodating a pocket of the mating connector, wherein the counter locking element is formed at the retainer.
  • the pocket may be formed according to the respective industry standard for the mating connector.
  • the retainer may be formed and adapted according to the respective requirements to the plug-in connector assembly.
  • the retainer may comprise all elements for essentially locking and latching the connector and the mating connector in the fully mated position. In other words, the retainer may comprise the respective features for realizing a primary and secondary locking function.
  • the retainer may be provided with at least one fixation member and the pocket may be provided with at least one counter fixation member, wherein in an assembled state of the mating connector, the fixation member may be in engagement with the counter fixation member so that the retainer is locked within the pocket. Thereby, movements of the retainer in the mating plug direction, i.e. towards the connector, are prevented.
  • the fixation member may be formed as a locking latch interacting with the counter fixation member which may be formed as a groove or recess, e.g. as an undercut of the pocket. When the fixation member is in engagement with the counter fixation member, the retainer may be held within the pocket with a retention force of more than 120 N in order to meet respective safety requirements.
  • the retainer and the pocket may be integrally formed as one piece, e.g. by casting, moulding, etc.
  • a plug-in connector assembly 1 comprises a connector 2, a mating connector 3 and a locking member 4.
  • the plug-in connector assembly 1 may be used for electrically connecting and/or accommodating an electrical component 5 of e.g. a filter of an airbag arrangement in a vehicle.
  • the electrical component 5 may be received within the connector 2.
  • the connector 2 has a housing 20 providing an interior 21 for accommodating electrical conductors, i.e. terminals and electrical lines, as well as other functional elements and the electrical component 5.
  • An opening 22 to the interior 21 is formed laterally at the housing 20 and provides guidances 22a, 22b defining an actuation direction A for the locking member 4.
  • a blocking organ 23 is formed at the housing 20.
  • the blocking organ 23 is provided with a blocking recess 23a providing a stop 23b for limiting movements of the locking member 4 in the actuation direction A in the pre-mated position of the connector 2 and the mating connector 3 illustrated in Fig. 1 .
  • the blocking organ 23 further provides a catch in the form of a notch in the wall of the housing 20 for latching the locking member in a locking position L (not yet shown).
  • a plug portion 24 of the connector 2 protrudes from the housing 20 in a plug direction P of the connector 2, in which the connector 2 is adapted to be mated with the mating connector 3.
  • a latching element 25 of the connector 2 may be formed as a part of the plug portion 24 so that it protrudes from the housing 20 in the plug direction P in order to latch the connector 2 and the mating connector 3 in a fully mated position M (not yet shown).
  • the mating connector 3 comprises a retainer 30 which is accommodated in a pocket 31 formed by a casing 32.
  • a mating plug portion 33 of the mating connector 3 is arranged within the pocket 31 so that a cavity 34 between the casing 32 and the mating plug portion 33 is provided for at least partially accommodating the plug portion 24 of the connector 2.
  • a counter locking organ 35 is formed at the mating plug portion 33 for locking the connector 2 and the mating connector 3 in the fully mated state M (not yet shown).
  • the counter locking organ 35 is formed as a lug laterally protruding from the mating plug portion 33 opposite to the actuation direction A.
  • a de-blocking organ 36 is arranged at the mating plug portion 33 and protrudes from the mating connector 3 in the mating plug direction P'.
  • the de-blocking organ 36 is formed as a stud protruding towards the blocking organ 23.
  • the locking member 4 has a body 40 which is guided and supported by the guidances 22a, 22b of the connector 2 so that it juts into the interior 21 of the housing 20 of the connector 2.
  • a shaft 41 of the locking member 4 is halfway inserted into the housing 20 in the pre-locking position K of the locking member 4 illustrated in Fig. 1 .
  • An actuating section 42 is formed at an end of the shaft 41 so that the locking member 4 may be manually actuated from outside the connector 2.
  • a lateral face 42a of the actuating section 42 faces opposite to the actuating direction A so that the locking member 4 may be actuated by exerting a pressure onto the lateral face 42a in the actuating direction A.
  • a cover section 42b extends laterally from the actuating section, in particular from the lateral face 42 so that the cover section 42b juts above and beyond the housing 20 in the mating plug direction P'.
  • a ribbing 42c is formed at a top 42d of the guiding section 42b in order to enhance a grip for actuating the locking member 4.
  • a resiliently deflectable blocking organ 43 of the locking member 4 is mechanically connected to or formed at the shaft 41 and arranged within the interior 21 of the housing 20 of the connector 2.
  • a catch 43a juts into the blocking recess 23a in the pre-locking position K as long as the connector 2 and the mating connector 3 are in the pre-mated position M.
  • the locking member 4 is blocked in the pre-locking position K by the catch 43a engaging the blocking recess 23a so that the catch 43a abuts the stop 23b of the blocking organ 23.
  • a vertical extension 44 of the blocking member 4 juts beneath the housing 20 of the connector 2 and is aligned with the plug portion 24.
  • a locking organ 45 protrudes from the vertical extension 44 in the actuation direction A and is adapted for interacting with the counter locking organ 35 formed at the mating connector 3.
  • Fig. 2 shows the plug-in connector assembly 1 in the fully mated state M, where the connector 2 and the mating connector 3 are fully mated, i.e. the plug portion 24 of the connector 2 is fully inserted into the cavity 34 of the mating connector 3 such that the plug portion 24 complements the mating plug portion 33.
  • the de-blocking organ 36 juts through the blocking recess 23a and thereby lifts the blocking organ 43 above and beyond the blocking organ 23 so that the locking member 4 is released and may be moved in the actuation direction A by sliding the shaft 41 along the guidances 22a, 22b.
  • Fig. 3 shows the plug-in connector assembly 1 in a final state F, wherein the connector 2 and the mating connector 3 are in the fully mated position M and the locking member 4 is in a locking position L.
  • the locking organ 45 on the locking member 4 is in mesh with the counter locking organ 35 on the mating connector 3.
  • the locking organ 45 is arranged behind the counter locking organ 35 in the plug direction P so that forces acting on the connector 2 opposite to the plug direction P are transmitted via the shaft 41 of the locking member 4 supported at the bottom guidance 22a and via the vertical extension 44 to the locking organ 45 from where these forces are transferred to the counter locking element 35 so that the locking member 4 locks the connector 2 to the mating connector 3 in the locked position L.
  • the blocking organ 43 is moved beyond the stop 23 in the actuation direction A.
  • the catch 43a on the blocking organ 43 is in engagement with a counter catch 23c formed at the inner circumference of the wall of the housing 20.
  • the catch 43a is formed as a nose protruding from the blocking organ 43 in the plug direction P into the counter catch 23c formed as a cavity or recess.
  • the locking member 4 is additionally supported at the connector 2 in order to take up forces attempting to withdraw the connector 2 from the mating connector 3 against the plug direction P.
  • the locking member 4 is secured in the locking position L against displacement opposite to the actuation direction A.
  • Fig. 4 illustrates the plug-in connector assembly 1 in the final state in another schematic cross-sectional view along a central axis C extending in parallel to the plug direction P centrally through the plug portion 24 and the mating plug portion 33.
  • the latching element 25 of the connector 2 is engagement with a counter latching element 35a formed at the mating plug portion 33.
  • the latching element 25 has the form of a latching tongue provided with a latching recess 25a.
  • the latching element 25 and the counter latching element 35a provide a primary locking function for latching the connector 2 to the mating connector 3 in the fully mated position M.
  • a bottom 42e is formed at the locking member 4.
  • the bottom 42e is designed as a supporting section extending transversely to the shaft 41 so that the bottom 42e connects the shaft 41 to the lateral face 42a like a cross beam.
  • a front face 42f of the locking member 4 is formed at the bottom and faces into the actuation direction A.
  • the front face 42f is arranged so that in the pre-mated position M, movements of the locking member 4 in the actuation direction A are blocked at the connector 2, in particular at the latching element 25.
  • the front face 42f may act as an additional blocking member and the latching element 25 may act as an additional stop for blocking the locking member 4 in the pre-mated position M.
  • the blocking may be achieved in that in the pre-mated position M, the latching element 25 may be deflected towards the front face 42f, i.e. opposite to the actuation direction A. Thereby, the latch 25 can be in the way of the front face 22f when moving the locking member 4 in the actuation direction A. Hence, premature locking, i.e. moving the locking member 4 in the locking position L may be prevented in the pre-mated position M.
  • the latch 25 and/or other sections of the connector 2 are moved out of the front face 42f so that the locking member 4 may be moved into the locking position L.
  • the front face 42f may abut the latching element 25 or at least may be arranged in the vicinity of the latching element 25 so that deflecting the latching element 25 is prevented or at least inhibited. This helps in securing the latching element 25 in the fully mated position M and thereby increasing retention forces between the connector 2 and the mating connector 3.
  • the locking member 4, in particular the top 42d of the locking member 4 overlaps with the latching element 25 of the connector 2 at least in the plug direction P.
  • the top 42d closes an access to the cavity 34, where the latching element 25 is arranged.
  • an access to the latching element 25 is prevented by the locking member 4, when the locking member 4 is in the locking position L.
  • two recesses 26a and 26b are formed in the bottom guidance 22a.
  • a detent 46 is formed at the bottom 42e of the locking member 4 and is latched in the second recess 26b so that the locking member 4 is additionally latched at the connector 2 in the locked position L.
  • the first recess 26a allows for latching the locking member 4 at the connector 2 in the pre-locking position K, so that the locking member 4 may be held captive at the connector 2.
  • Fig. 5 is a schematic perspective view of the mating connector 3 in an assembled state S where the retainer 30 is fixed within the pocket 31.
  • Two fixation members 37 are formed at the retainer 30 and are in engagement with a counter fixation member 38 are formed at the pocket as an undercut.
  • Each of the fixation elements 37 is provided with polarizing elements 37a and 37b in the form of webs extending essentially in parallel to the mating plug direction P' along the fixation members 37.
  • the polarizing elements 37a, 37b are arranged within counter polarizing elements 38a and 38b, respectively, which are formed as grooves extending in parallel to the mating plug direction P' at the inner circumference of the pocket 31.
  • the fixation members 37 extend from a base 39 of the retainer.
  • the base 39 connects the fixation elements 37 to the mating plug portion 33.
  • Two contact receptacles 33a, 33b are formed in the mating plug portion 33 and each accommodate a contact element 6, i.e. an electrical conductor of the mating plug element 3.
  • Fig. 6 shows the retainer 30 in a schematic perspective view in a pre-assembled state R of the mating plug connector 3.
  • the retainer 30 is withdrawn from the pocket 31.
  • Two of the fixation members 37 are provided with a latch 37c each, adapted to engage with the counter fixation member 38 in the form of a circumferential groove in order to affix the retainer 30 within the pocket 31.
  • Fig. 7 shows the retainer 30 in a schematic top view.
  • the latches 37c on the fixation members 37 radially protrude beyond the outer circumference of the base 39 and are arranged symmetrically to each other with respect to the central axis C.
  • the polarizing elements 37a and 37b also radially protrude beyond the outer circumference of the base 39.
  • the polarizing elements 37a and 37b are arranged asymmetrically to each other with respect to the central axis C in order to define one single angle of rotation under which the retainer 30 is to be introduced into the pocket 31.
  • Fig. 8 shows the mating connector 3 in the assembled state S, where the retainer 30 is inserted into the pocket 31 and the fixation members 37 on the retainer 30 are in engagement with the counter fixation members 38 within the pocket 31.
  • the latches 37c on the fixation members protrude radially into the counter fixation member 38 which is formed as a groove extending along the inner circumference of the pocket 31.
  • the fixation members 37 and the counter fixation members 38 are in engagement with each other in a positive-fit manner. Tips of the fixation members 37, in particular of the latches 37c, are arranged below respective edges of the groove forming the counter fixation member 38 so that the retainer 30 is supported in the pocket in a robust way in the mating plug direction P'.
  • Fig. 9 is a schematic cross-sectional view along the central axis C of another embodiment of a plug-in connector assembly 1' according to the present invention in the final state F.
  • the plug-in connector assembly 1' comprises a connector 2', a mating connector 3' and a locking member 4' which are formed and function similar to those of the embodiment of the plug-in connector assembly 1 described above.
  • Identical or similar elements which may have identical or similar functions in both embodiments of the plug-in connector assembly 1, 1' will in the following be denoted with the same reference numeral provided with an apostrophe.
  • Latching elements 25' of the connector 2' provide a latching recess 25a' each which engage with a counter latching element 35a' of a retainer 30' of the mating connector 3' each.
  • the latching elements 25' and counter latching elements 35a' may be arranged symmetrically to each other with respect to the central axis C. They may be arranged so that they do not interfere with fixation members 37' of the retainer 30' which provide latches 37c engaging the counter fixation member 38.
  • the retention forces of a primary lock of the plug-in connector assembly 1' may be enhanced, e.g. essentially doubled with respect to the retention forces of the plug-in connector assembly 1.
  • Other functions of the plug-in connector assembly 1', i.e. blocking and secondary locking functions of the locking member 4' remain the same as those of the locking member 4.
  • Fig. 10 is a schematic cross-sectional perspective view of the plug-in connector assembly 1' in the final state F.
  • the locking member 4' may comprise several shafts 41' which extend essentially in parallel to the actuation direction A.
  • the shafts 41' may serve for carrying counter locking organs 35' (not shown) of the locking member 4' for locking the connector 2' to the mating connector 3', e.g. as secondary locking elements.
  • the shafts 41' may further serve for supporting the latches 25' in the fully mated position M so that they are prevented from deflection.
  • Fig. 11 is a schematic perspective view of a plug-in connector assembly 100 according to the prior art.
  • the plug-in connector assembly 100 comprises a connector 102, a mating connector 103 and a locking member 104.
  • the connector 102 and the mating connector 103 are in the fully mated state M' and the locking member 104 is in the locked position L'.
  • Fig. 12 is schematic cross-sectional view of the plug-in connector assembly 100 according to the prior art along a central axis C' of the plug-in connector assembly 100.
  • the connector 102 and the mating connector 103 are in the fully mated state M', where a plug portion 124 of the connector 102 is inserted into a mating plug portion 133 of the mating connector 103 in order to contact the contact elements 106 of the plug-in connector assembly 100 in an electrically conductive manner.
  • the connector 102 In the fully mated state M', the connector 102 is in engagement with a pocket 131 of the mating connector 103.
  • latching elements 125 on the connector 102 radially protrude therefrom into a counter fixation member 138 formed as a groove extending along the inner circumference of the pocket 131.
  • the connector 102 is directly latched to the pocket 131, while a retainer 130 of the mating connector 103 is independently fixed within the pocket 131.
  • the locking member 104 in a pre-locking position K', the locking member 104 juts into the connector 102 through respective openings 122 formed in a housing 102 of the connector 2 into an interior 121 of the housing 120.
  • Fig. 13 shows the plug-in connector assembly 100 according to the prior art in schematic cross-sectional view along the central axis C' in the final state F'.
  • the connector 102 and the mating connector 103 are in the fully mated state M'.
  • the locking member 104 is moved downwards along the plug direction P' until reaching the locking position L'.
  • the shafts 141 of the locking member 104 are arranged snugly between the mating plug portion 133 and the latching elements 125 so that the latching elements 125 are supported laterally and prevented from being deflected radially towards the central axis C' and thereby withdrawn from the counter fixation members 138.
  • the shafts 141 block the latching elements 125 in order to prevent disengagement of the latching elements 125 and the counter fixation members 138.
  • Fig. 14 is a schematic perspective view of the retainer 130 of a plug-in connector assembly 100 according to the prior art in a pre-assembled state R', where the retainer 130 is withdrawn from the pocket 131.
  • the retainer 130 is merely provided with fixation members 137 in the form of small bosses slightly protruding laterally from an outer circumference of the retainer in order to engage with the counter fixation elements 138 within the pocket 131 so that the retainer is prevented from falling out of the pocket 138 in the mating plug direction P'.
  • the fixation members 138 according to the prior art do not allow for generating retention forces acting opposite to the mating plug direction P' which are bigger than 120 N.
  • the connector 2 may be provided with a housing 20 having an interior 21 which may be formed as required for accommodating the locking member 4, electrical components 5, contact elements 6 and may have a plug portion 24 formed as required for complementing a mating plug portion 33 of the mating connector 3.
  • the connector 2 and the mating connector 3 may be provided with contact elements 6 in whatever form and number required for establishing a desired electrical connection.
  • Guidances 22, shafts 41, blocking organs 23, blocking recesses 23a, stops 23b, latching elements 25, counter catches 23c, latching recesses 25a, cavities 34, counter locking organs 35, de-blocking organs 36, fixation members 37, counter fixation members 38, actuating sections 42, lateral faces 42a, cover sections 42b, ribbings 42c, tops 42d, bottom 42e, blocking organs 43, catches 43a, vertical extensions 44, locking organs 45, detents 46, first and second recesses 26a, 26b, contact receptacles 33a, polarizing elements 37a, 37b, counter polarizing elements 38a, 38b, recesses 39a and latches 37c may be provided in any form and number desired for fulfilling their respective function.
  • the housing 20 may comprise one or more components, e.g. shells or casing parts.
  • the locking member 4, 4' may have several functions.
  • a first function may be to signalize the pre-mated position N in that the locking member 4, 4' and/or front face 42f prevent movement of the locking member 4 to the locking position L.
  • a second function of the locking member 4, 4' may be that it prevents deflection of the latch 25, 25' in the fully mated position M, i.e. the locking member 4, 4' may act as a CPA securing the correct position of the plug-in connector assembly 1 in the fully mated position M and may secure the latching element 25, 25' acting as a primary lock.
  • a third function of the locking member may be to directly lock the connector 2, 2' to the mating connector 3, 3' by the locking organ 45 serving as a secondary locking element, e.g.
  • a fourth function of the locking member 4, 4' may be to close an access to the latching element 25 in the fully mated position M, i.e. to prevent accessing any latch release area which may be located in a cavity 34.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP12176217.3A 2012-07-12 2012-07-12 Elektrosteckernordnung mit Verriegelungselement Active EP2685570B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12176217.3A EP2685570B1 (de) 2012-07-12 2012-07-12 Elektrosteckernordnung mit Verriegelungselement
PCT/EP2013/064372 WO2014009309A1 (en) 2012-07-12 2013-07-08 Electrical plug-in connector assembly with locking member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12176217.3A EP2685570B1 (de) 2012-07-12 2012-07-12 Elektrosteckernordnung mit Verriegelungselement

Publications (2)

Publication Number Publication Date
EP2685570A1 true EP2685570A1 (de) 2014-01-15
EP2685570B1 EP2685570B1 (de) 2018-08-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12176217.3A Active EP2685570B1 (de) 2012-07-12 2012-07-12 Elektrosteckernordnung mit Verriegelungselement

Country Status (2)

Country Link
EP (1) EP2685570B1 (de)
WO (1) WO2014009309A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9614327B2 (en) 2012-12-07 2017-04-04 Te Connectivity India Private Limited Electrical connector and assembly therewith having a spring-apart function
EP3396790A1 (de) * 2017-04-27 2018-10-31 Delphi International Operations Luxembourg S.à r.l. Verbinderanordnung für sicherheitssysteme

Citations (5)

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Publication number Priority date Publication date Assignee Title
US5435742A (en) * 1994-02-14 1995-07-25 Molex Incorporated Electrical connector position assurance system
DE19525257A1 (de) * 1995-07-11 1997-01-16 Siemens Ag Elektrische Steckverbindung mit Endlagen-Verriegelung
EP1130692A2 (de) * 2000-03-01 2001-09-05 J.S.T. Mfg. Co., Ltd. Elektrisches Verbindungssystem
EP1575132A2 (de) * 2004-02-23 2005-09-14 Tyco Electronics AMP GmbH Steckverbinder
WO2009053778A1 (en) * 2007-10-22 2009-04-30 Fci Electrical connector system

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Publication number Priority date Publication date Assignee Title
US5236373A (en) * 1992-07-14 1993-08-17 Interlock Corporation Connector position assurance assembly
CA2233466C (en) * 1996-08-12 2002-05-14 Thomas & Betts International, Inc. Orientationless squib connector assembly for automotive air bag assemblies
JP5562108B2 (ja) * 2010-04-26 2014-07-30 日本端子株式会社 ロック検知コネクタ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5435742A (en) * 1994-02-14 1995-07-25 Molex Incorporated Electrical connector position assurance system
DE19525257A1 (de) * 1995-07-11 1997-01-16 Siemens Ag Elektrische Steckverbindung mit Endlagen-Verriegelung
EP1130692A2 (de) * 2000-03-01 2001-09-05 J.S.T. Mfg. Co., Ltd. Elektrisches Verbindungssystem
EP1575132A2 (de) * 2004-02-23 2005-09-14 Tyco Electronics AMP GmbH Steckverbinder
WO2009053778A1 (en) * 2007-10-22 2009-04-30 Fci Electrical connector system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9614327B2 (en) 2012-12-07 2017-04-04 Te Connectivity India Private Limited Electrical connector and assembly therewith having a spring-apart function
EP3396790A1 (de) * 2017-04-27 2018-10-31 Delphi International Operations Luxembourg S.à r.l. Verbinderanordnung für sicherheitssysteme
CN108832427A (zh) * 2017-04-27 2018-11-16 德尔福国际业务卢森堡公司 用于安全系统的连接器组件
US10290972B2 (en) 2017-04-27 2019-05-14 Aptiv Technologies Limited Electrical connector assembly

Also Published As

Publication number Publication date
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WO2014009309A1 (en) 2014-01-16

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