EP3713018B1 - Connecteur enfichable électrique - Google Patents

Connecteur enfichable électrique Download PDF

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Publication number
EP3713018B1
EP3713018B1 EP19164091.1A EP19164091A EP3713018B1 EP 3713018 B1 EP3713018 B1 EP 3713018B1 EP 19164091 A EP19164091 A EP 19164091A EP 3713018 B1 EP3713018 B1 EP 3713018B1
Authority
EP
European Patent Office
Prior art keywords
plug connector
fuse
securing device
contact element
connector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19164091.1A
Other languages
German (de)
English (en)
Other versions
EP3713018C0 (fr
EP3713018A1 (fr
Inventor
Marcel Volkmar
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.)
Rosenberger Hochfrequenztechnik GmbH and Co KG
Original Assignee
Rosenberger Hochfrequenztechnik 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 Rosenberger Hochfrequenztechnik GmbH and Co KG filed Critical Rosenberger Hochfrequenztechnik GmbH and Co KG
Priority to EP19164091.1A priority Critical patent/EP3713018B1/fr
Publication of EP3713018A1 publication Critical patent/EP3713018A1/fr
Application granted granted Critical
Publication of EP3713018B1 publication Critical patent/EP3713018B1/fr
Publication of EP3713018C0 publication Critical patent/EP3713018C0/fr
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
    • H01R13/64—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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H01R13/4364—Insertion of locking piece from the front
    • H01R13/4365—Insertion of locking piece from the front comprising a temporary and a final locking position
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
    • H01R13/4223—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means comprising integral flexible contact retaining fingers
    • 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

Definitions

  • the invention relates to an electrical connector, comprising a connector housing, a primary fuse and a secondary fuse, according to the preamble of claim 1.
  • the invention also relates to an electrical plug connection, comprising an electrical plug connector and an electrical mating plug connector.
  • a connector or mating connector can be a plug, a built-in plug, a socket, a coupling or an adapter.
  • the term “connector” or “mating connector” used in the context of the invention represents all variants.
  • the connector housing can have corresponding receptacles for the contact elements.
  • the contact elements are usually fixed in the receptacle using a so-called primary fuse (also called “primary locking”).
  • Plug connectors for the automotive industry and vehicles in particular are subject to high demands on their robustness and the safety of the plug connections.
  • a plug connection must sometimes withstand high loads, for example mechanical loads, and remain closed in a defined manner so that the electrical connection is not unintentionally disconnected, for example during operation of a vehicle. Ensuring safety is a priority, particularly when operating vehicles autonomously and for driver assistance systems.
  • connectors for the automotive industry Another requirement for connectors for the automotive industry is that they should be easy and reliable to install.
  • the connectors for the automotive industry often have to be highly sealed against dirt, dust and/or liquids, particularly depending on the location of use.
  • the primary securing for fastening a contact element in a receptacle (i.e. in a slot) in the connector housing is usually carried out via a latching connection between a groove formed in the contact element and one or more latching hooks of the connector housing, which protrude radially into the receptacle.
  • the locking hooks can be formed at a distal end of a fastening arm.
  • TPA Terminal Position Assurance
  • An electrical connector is in the US 2015/0133002 A1 disclosed. It is provided that a contact element is inserted into a receptacle or into a slot.
  • the receptacle has a longitudinal axis which extends in the insertion direction of the contact element.
  • a primary fuse snaps into a recess in the contact element by a radially inward movement in such a way that the contact element can be pulled out of the receptacle again by the primary fuse .
  • the US 2015/0133002 A1 further discloses a secondary fuse, which is displaced by a movement radially from the outside towards the contact element, so that the secondary fuse prevents a radially outward movement of the primary fuse.
  • the secondary fuse thus secures the primary fuse in its final latching position.
  • the disclosed secondary fuse is arranged in a shaft that runs radially through the connector housing and opens into the receptacle or slot in the connector housing. During later use of the plug connection, dirt, dust and/or moisture can get into the receptacle. Particularly for applications where a high level of tightness and longevity of the connector is required, the in US 2015/0133002 A1 The disclosed electrical connectors are therefore not optimally suitable.
  • electrical connectors have the simplest possible structure, are easy to assemble and can be handled reliably.
  • the generic one US 5,803,759A relates to an electrical connector for a motor vehicle, with a secondary fuse which positively blocks the latching between a primary fuse and an electrical contact element in a securing position.
  • the secondary fuse In a starting position, the secondary fuse is located in the insertion path of the mating connector and can be moved towards the rear end of the connector housing in such a way that the secondary fuse in the securing position releases the insertion path for the mating connector.
  • the US 5,716,233 A concerns a comparable connector.
  • the EP 2 124 298 A relates to a connector which is connectable to a mating connector and which includes a connector housing, a plurality of connections and a TPA element for securing the connection position.
  • the US 6,062,906 A relates to an electrical connector with a retaining element configured to be inserted into a receptacle of the connector to fix contact elements within the connector housing.
  • the US 2001/0006861 A1 relates to a connection connector with a holder.
  • a locking arm for the contact element abuts on the holder, whereby the incomplete insertion of the terminal is noticed.
  • the US 4,944,695 A relates to a terminal retaining structure for electrical connectors in which a temporary locking mechanism for a spacer is provided to the To make the terminal connection reliable and simple, and in which the spacer enables the detection of an incompletely inserted terminal.
  • the US 5,108,310 A , the US 4,565,416 A and the US 4,714,437 A relate to similar connectors.
  • the object of the present invention is to provide an electrical plug connector and an electrical plug connection in which a contact element can be reliably secured in a plug connector housing, in particular easy assembly and high tightness of the The connector or the plug connection should be guaranteed.
  • the present invention is also based on the object of providing an improved secondary fuse for a plug connector, which reliably secures a primary fuse for locking a contact element in a plug connector housing.
  • An electrical plug connector comprising a plug connector housing with a front opening intended for inserting a mating plug connector, a rear end facing away from the front opening, and with at least one receptacle for an electrical contact element.
  • the connector housing further has a primary fuse which is designed and arranged to lock with the contact element when the contact element is in an axial end position in the receptacle.
  • the electrical connector has a secondary fuse which, in a securing position, positively blocks the latching between the primary fuse and the electrical contact element.
  • an electrical connector with any number of contact elements can be provided.
  • the electrical plug connector each has a receptacle for a single electrical contact element. In principle, however, it can also be provided to introduce several contact elements into a common receptacle.
  • the invention is essentially described below in such a way that exactly one receptacle is provided for each contact element; Although this is preferred, it should not be understood as limiting.
  • the contact element or the contact elements can be viewed as part of the plug connector within the scope of the invention.
  • the contact element or the contact elements can already be connected to one or more conductors of an electrical cable before being inserted into the at least one receptacle. However, this is not absolutely necessary; It is also possible to subsequently connect the contact element or contact elements to one or more conductors of an electrical cable.
  • connection of the contact element or the contact elements with an electrical cable a connection with other electrical conductors can also be provided, for example a direct connection to lines or connections on an electrical printed circuit board ("Printed Circuit Board", PCB).
  • PCB printed Circuit Board
  • an electrical cable with one or more electrical conductors connected to one or more contact elements can also be viewed as part of the plug connector within the scope of the invention.
  • the contact element can be, for example, an inner conductor contact element or an outer conductor contact element.
  • the contact element is preferably designed as a coaxial contact element, in which an inner conductor contact is guided coaxially within an outer conductor contact and is electrically separated from the outer conductor contact, for example by means of a dielectric.
  • a contact element can also be provided that has a plurality of inner conductor contacts, for example two, three, four, five, six or even more inner conductor contacts.
  • the contact element is connected to the connector housing in that the contact element is inserted into the receptacle of the connector housing until the contact element is in the axial end position in the receptacle.
  • the primary fuse locks with the contact element in such a way that a positive connection in the axial direction, especially in the pull-out direction. The primary fuse can thus prevent the contact element from being pulled out again or, if necessary, pushed even deeper into the receptacle.
  • the primary fuse can preferably be locked with the contact element by moving a securing element of the primary fuse inwards by a radial movement, i.e. H. towards the contact element or towards the interior of the receptacle, locked with the contact element.
  • the contact element can, for example, have a groove, in particular a radially circumferential groove, into which a locking hook of the securing element penetrates.
  • the axial end position in the receptacle is preferably selected such that the contact element assumes a position in which it electrically contacts a mating contact element of an electrical mating connector when the electrical mating connector is correctly connected to the electrical plug connector.
  • the connector housing has a guide for the secondary fuse, which is designed such that the secondary fuse can be inserted into the connector housing through the front opening.
  • втори ⁇ ное fuses can also be provided in order to secure latches between the primary fuse and several contact elements independently of one another. Accordingly, several guides can also be provided for the individual secondary fuses.
  • the invention is described below essentially using a single secondary fuse, but this is not to be understood as limiting. If more than one secondary backup is used, all of the features described below that relate to the secondary backup can also be related to the other secondary backups and, if necessary, duplicated if necessary. For example, two, three, four or even more secondary fuses can be provided.
  • the secondary fuse can be supplied to the primary fuse in a particularly advantageous manner in that the secondary fuse is pushed axially over the primary fuse or over its securing element and thereby secures it in a form-fitting manner. In this way, a locking between the primary fuse and the contact element can be guaranteed permanently and reliably. Unwanted snapping of the primary fuse can be prevented even under adverse environmental conditions.
  • a particular advantage of this solution is that - compared to the state of the art, such as this in the US 2015/0133002 A1 is shown - a radial access leading to the receptacle can be dispensed with, whereby a waterproof connector or a connector that is protected against dust, dirt and / or ambient moisture can be easily formed.
  • the secondary fuse can be easily inserted through the front opening of the connector housing, which is already present in the connector housing for inserting the mating connector.
  • the secondary fuse is in a starting position in the insertion path of the mating connector, wherein the secondary fuse can be moved towards the rear end of the connector housing into the securing position in such a way that the secondary fuse in the securing position releases the insertion path for the mating connector.
  • the guide for the secondary fuse is designed in such a way that the secondary fuse can be moved within the guide towards the rear end of the connector housing into the securing position in such a way that the secondary fuse in the securing position releases the insertion path for the mating connector.
  • the secondary fuse does not itself have to take on the task of securing the contact element in the receptacle, but only the task of securing the primary fuse, it is possible to produce the secondary fuse inexpensively, preferably from a plastic. This results in cheaper production costs, especially compared to a metal design, which can be particularly important for high-volume production in the automotive sector.
  • the connector housing is designed in several parts and has at least one outer housing shell and an inner housing shell arranged within the outer housing shell, the inner housing shell having the at least one receptacle.
  • a two-part design of the connector housing consisting of an outer housing shell (or an outer housing, also referred to as an "outer housing") and an inner housing shell (also referred to as an "insert”) can be advantageous for easy assembly of contact elements.
  • the inner housing shell can, for example, be pre-equipped with one or more contact elements, which may already be equipped with electrical conductors or several electrical cables are connected, and are then introduced together with the contact element or with the contact elements into the outer housing shell.
  • a multi-part connector housing can also improve the modularity and thus the flexibility of an appropriately equipped electrical connector.
  • a latching mechanism can be provided between the inner housing shell and the outer housing shell in order to secure the inner housing shell in the outer housing shell against being pulled out and possibly also against twisting.
  • a housing guide can be provided to insert the inner housing shell into the outer housing shell.
  • the guide for the secondary fuse is formed on the inner housing shell.
  • the guide can therefore also be designed as a mechanical rough guide.
  • the guide is formed by a recess in the connector housing.
  • mechanical play in the guide can be reduced in the direction of the securing position.
  • the contact element or the contact elements are inserted into the receptacle(s) of the inner housing shell, after which the primary fuse is locked accordingly, and then the secondary fuse is moved into the securing position before the inner housing shell is inserted into the outer housing shell .
  • the inner housing shell is already mounted in the outer housing shell when the secondary fuse is moved into the securing position.
  • a connector housing with more than two housing components for example a three-part connector housing, a four-part connector housing, etc. or a one-piece connector housing are also possible.
  • one receptacle, two receptacles, three receptacles, four receptacles, six receptacles, eight receptacles, ten receptacles or even more receptacles are provided to accommodate one contact element in each case.
  • any number of receptacles can be provided to accommodate contact elements.
  • a single receptacle accommodates several contact elements.
  • a multi-pole plug connector can therefore advantageously be designed.
  • the connector housing in particular an inner housing shell of a multi-part connector housing, has four receptacles for four contact elements, with two rows arranged one below the other, each consisting of two receptacles arranged next to one another, in order to ensure a symmetrical distribution of the contact elements around the longitudinal axis or central axis of the connector housing.
  • the primary fuse latches with a groove, a recess, a recess or a latching element of the electrical contact element for latching with the contact element.
  • the primary fuse has at least one latching element, preferably at least one latching hook.
  • the primary fuse can also have, for example, two, three, four or more locking hooks.
  • the locking hooks can be formed on a respective fastening arm and at least partially protrude into the respective receptacle.
  • the contact element preferably has a groove, which is particularly preferably formed in an outer conductor contact of a coaxial contact element.
  • a groove running radially along the circumference of the contact element or the outer conductor contact of the contact element is particularly suitable, since the contact element can then be inserted into the receptacle in different orientations (viewed in the direction of rotation around the longitudinal axis of the contact element), independent of the rotary Orientation of the contact element It can be ensured that in the axial end position the primary fuse snaps into the groove of the electrical contact element.
  • the latching between the primary fuse and the contact element can be reliably implemented, for example, if the primary fuse is designed to be elastic and the primary fuse expands radially by moving the contact element into the axial end position until the primary fuse engages in the recess, the groove or the other recess .
  • the primary fuse is in the displacement path of the secondary fuse from its starting position to its securing position or in the securing position when the contact element is inserted into the receptacle, but is not yet in the axial end position.
  • the configuration mentioned can be particularly advantageous in order to ensure that an electrical contact element that has not yet been unintentionally latched remains undetected and a faulty plug connector is therefore released for use.
  • the primary fuse cannot lock with the contact element, which at the same time prevents the secondary fuse from being completely inserted into the connector housing, since the primary fuse is in the displacement path of the secondary fuse.
  • a mating connector can therefore not be inserted into the connector or at least not completely.
  • the secondary fuse blocks a complete insertion of the mating connector in a form-fitting manner as long as the secondary fuse is not in its axial end position.
  • the axial extent of the secondary fuse can preferably be designed such that the secondary fuse prevents the mating connector from being inserted into the electrical connector as long as the secondary fuse is not in its securing position.
  • the axial extent of the secondary fuse is selected such that the secondary fuse blocks a complete insertion of the mating connector into the connector in a form-fitting manner when the secondary fuse is not in its securing position.
  • the axial extent of the secondary fuse is selected such that the secondary fuse positively blocks electrical contact between one or all contact elements of the mating connector and one or all contact elements of the electrical connector when the secondary fuse is not in its securing position.
  • the axial extent of the secondary fuse is selected such that the secondary fuse positively blocks mechanical locking of the mating connector with the connector when the secondary fuse is not in its securing position.
  • the axial extent of the secondary fuse starting from the front end of the secondary fuse facing the front opening of the connector housing, to the rear end of the secondary fuse, is at least the axial distance of the front end of the primary fuse to a mechanical interface of the connector housing for connection with corresponds to the mating connector housing.
  • the primary fuse has a single securing element in order to lock the contact element or several of the contact elements together, or has several securing elements in order to lock individual contact elements or groups of the contact elements independently of one another.
  • the primary fuse can therefore be designed in one piece or in several parts.
  • the primary fuse can, for example, have several securing elements, for example locking hooks, which protrude into different receptacles for locking with the corresponding contact elements and which are able to lock with the contact elements independently of one another.
  • it can also be provided to lock several contact elements at the same time by means of a single securing element, for example two latching hooks connected via a web.
  • the multi-part variant of the primary fuse is particularly preferred.
  • a single secondary fuse can be provided in order to block the single security element or several of the security elements together.
  • at least one further secondary fuse can also be provided in order to block individual security elements or groups of security elements independently of one another.
  • a multi-part design of the secondary fuse and/or the primary fuse can be advantageous, since individual contact elements can then be inserted and secured into the respective receptacles of the connector housing subsequently or at different times.
  • a multi-part solution for securing the primary fuse can therefore be provided.
  • Several secondary fuses can therefore be used to positively block several security elements or a multi-part primary fuse independently of one another.
  • the connector can have a plurality of secondary fuses, each of which is designed to positively block the primary fuse or a fuse element or a plurality of fuse elements of the primary fuse.
  • a first secondary fuse can be provided to block one or more security elements, for example two, three, four, five, six or even more security elements together, and a second secondary fuse to block one or more further security elements, for example two, three , four, five, six or even more security elements to block together.
  • the first secondary fuse can block all security elements together, which are arranged next to one another in a first row
  • a second secondary fuse can block all security elements together, which are arranged in a second row arranged below the first row.
  • the electrical connector has several receptacles that are arranged in one or more rows, it can be advantageous to use a secondary fuse to secure several securing elements of the primary fuse for simultaneously securing several contact elements in the receptacles arranged in rows.
  • the secondary fuse locks in a starting position within the connector housing.
  • the secondary fuse locks into the fuse position with the connector housing.
  • the locking of the secondary fuse in the starting position is provided in order to deliver the secondary fuse (or the secondary fuses) together with the connector housing or to keep it captively available in the connector housing until the secondary fuse is finally used to positively block the primary fuse.
  • Locking the secondary fuse in the securing position can be advantageous in order to prevent unintentional displacement of the secondary fuse towards the front opening of the connector housing. This allows the electrical connector to be even more robust and secure.
  • a common locking element of the secondary lock can be provided for locking in the starting position and in the secondary position.
  • the secondary fuse can be displaced from the starting position parallel to the longitudinal axis of the connector housing in the direction of the securing position.
  • a deviation from the mentioned parallel displacement can also be provided, for example insertion along an angle of 45° or less, preferably 30° or less, particularly preferably 20° or less, very particularly preferably 10° or less, more preferably 5° or less, in particular 1° or less (in each case relative to the longitudinal axis of the connector housing).
  • the guide can be designed and aligned accordingly in the connector housing.
  • the secondary fuse is designed to block a radial movement of the primary fuse directed outwards from the longitudinal axis of the connector housing.
  • the secondary fuse can have at least one blocking element in order to positively block the primary fuse or a securing element of the primary fuse.
  • the blocking element can form a shear area, which can be designed in particular depending on the design of the primary fuse. For example, a conical shear area can be provided in order to particularly easily move the secondary fuse axially over the primary fuse.
  • the blocking element of the secondary fuse can preferably be formed on the end of the secondary fuse facing away from the front opening of the connector housing. However, the blocking element can also be formed in a central area of the secondary fuse.
  • the secondary fuse is plate-shaped or has an annular or partially annular cross section.
  • the secondary fuse can be shaped differently depending on the number and arrangement of the individual contact elements or the respective receptacles and/or security elements.
  • the examples mentioned are not to be understood as limiting.
  • a plate-shaped secondary fuse can advantageously simultaneously secure the primary fuse, in particular of several contact elements arranged next to one another in a row.
  • a secondary fuse with a sleeve-shaped, annular, partially annular, square or rectangular cross-sectional profile can also advantageously secure several contact elements arranged in at least two rows (or their primary fuse).
  • the secondary fuse has a thorn-like or web-shaped shape which can be inserted between at least two receptacles in order to block the primary fuse.
  • a thorn-like or web-shaped design can be particularly advantageous in order to secure the primary fuse of several contact elements arranged in rows by positively blocking them.
  • the invention also relates to an electrical plug connection, comprising an electrical plug connector and an electrical mating plug connector.
  • the electrical connector has a connector housing with a front opening provided for inserting a mating connector, a rear end facing away from the front opening, and at least one receptacle for an electrical contact element.
  • the connector housing further includes a primary fuse designed and arranged to communicate with the Contact element to lock when the contact element is in an axial end position in the receptacle.
  • the electrical connector has a secondary fuse, which positively blocks the latching between the primary fuse and the electrical contact element in a securing position.
  • the electrical connector preferably has the at least one contact element.
  • the plug connector housing has a guide for the secondary fuse, which is designed such that the secondary fuse can be inserted into the plug connector housing through the front opening, the secondary fuse being in a starting position in the insertion path of the mating plug connector , and wherein the secondary fuse can be moved towards the rear end of the connector housing into the securing position in such a way that the secondary fuse in the securing position releases the insertion path for the mating connector.
  • the axial extent or the length of the secondary fuse is preferably designed such that the secondary fuse can be used as a plug-in prevention if the primary fuse is not yet fully secured.
  • the secondary fuse prevents a plugging process between the plug connector and the mating plug connector as long as not all contact elements are correctly fastened in the receptacles in the plug connector housing and therefore each primary latching connection is correctly closed.
  • the secondary fuse can advantageously be designed in the form of a slide.
  • the secondary fuse can be inserted into the connector housing in the axial direction, starting from the interface or the front opening of the connector housing.
  • the connector housing of the electrical connector is designed in several parts and comprises at least an outer housing shell and an inner housing shell arranged within the outer housing shell.
  • the at least one receptacle is arranged in the inner housing shell.
  • the electrical connector and the electrical connector are not limited to a specific type of connector, with the invention being particularly suitable for connectors and connectors for high-frequency technology. These can in particular be connectors or plug connections of the type PL, BNC, TNC, SMBA (FAKRA), SMA, SMB, SMS, SMC, SMP, BMS, HFM (FAKRA-Mini), H-MTD, BMK, Mini-Coax or Makax.
  • the electrical plug connector according to the invention and the plug connection are preferably designed or set up for high bit rate signal transmission.
  • the invention also relates to a secondary fuse for an electrical connector, in particular according to the above and following statements, wherein the secondary fuse positively blocks the latching between the primary fuse and the electrical contact element in a securing position. It is provided that the secondary fuse can be introduced into the connector housing through the front opening in such a way that the secondary fuse is located in the insertion path of the mating connector, wherein the secondary fuse is designed to be displaceable into a securing position within the connector housing in the direction of the rear end of the connector housing to be in which the secondary fuse releases the insertion path for the mating connector.
  • a particularly advantageous use of the secondary fuse according to the invention relates to a waterproof connector, in particular a waterproof connector for high-frequency technology.
  • the secondary fuse can form an axial stop for the mating connector with its plug-side end or with the end pointing in the direction of the front opening of the connector housing (based on an inserted state of the secondary fuse).
  • the design of the axial stop of the secondary fuse for the mating connector or for the mating connector housing can be arbitrary.
  • An end face stop is preferably provided.
  • the stop can also be sleeve-shaped.
  • the secondary fuse can also form a securing area for the primary fuse with its cable-side end or with its end pointing towards the rear end of the connector housing (based on an inserted state of the secondary fuse).
  • the secondary fuse can, for example, be moved axially from the starting position to the securing position manually by a fitter or using a tool, for example a screwdriver. If the secondary lock is locked in the starting position, for example by means of a locking hook, it can be provided that a fitter must first apply a corresponding axial force in order to release the lock. Provision can also be made for the locking mechanism to be levered open in order to move the secondary safety device from the starting position to the safety position.
  • An automatic movement of the secondary fuse into the securing position can also be done solely by inserting the mating connector. It can therefore be provided that, in the case of a correctly closed primary fuse, the secondary fuse is only moved into the securing position by inserting a mating connector, since in this case the displacement path from the starting position to the securing position is released by the fully latched primary fuse.
  • a separate procedural step, according to which the secondary fuse must first be moved manually into the securing position before inserting the mating connector, can therefore be omitted.
  • the secondary fuse is installed on the plug side, i.e. H. from the front, inserted into the connector housing.
  • the secondary fuse can be moved between the starting position, in which there is preferably an unsecured operating state of the primary fuse, and the securing position, in which the primary fuse is preferably completely locked with the contact element or elements, and can therefore be positioned axially within the connector housing.
  • the secondary fuse is guided within the connector housing in such a way that the secondary fuse can only be moved into the securing position when the primary fuse is correctly closed.
  • the solution presented below represents an invention that is independent of the solution of claim 1 and can also be implemented in combination with the features mentioned above and below.
  • the independent invention relates to an electrical connector with a connector housing with at least one receptacle into which an electrical contact element can be inserted along a longitudinal axis running in the insertion direction, and with a primary fuse, which locks with the electrical contact element in an axial end position in the receptacle, and with a secondary fuse to secure the primary fuse in the final latching position, the secondary fuse being designed and arranged such that the secondary fuse can be moved along the longitudinal axis of the receptacle from an initial position into a securing position in which the secondary fuse releases the latching between the electrical contact element and the primary fuse is positively blocked.
  • the values and parameters described here represent deviations or fluctuations of ⁇ 10% or less, preferably ⁇ 5% or less, more preferably ⁇ 1% or less, and most preferably ⁇ 0.1% or less of the respectively named Value or parameter included, provided that these deviations are not excluded when implementing the invention in practice.
  • the specification of ranges through initial and final values also includes all those values and fractions that are included in the respectively named range, in particular the initial and final values and a respective mean value.
  • FIG. 1 shows a perspective view of an electrical plug connector 1 according to the invention.
  • the plug connector 1 has a plug connector housing 2 with a front opening 4 provided for inserting a mating plug connector 3, a rear end 5 facing away from the front opening 4, and at least one receptacle 6 for an electrical contact element 7 on.
  • the connector housing 2 is designed in several parts and has an outer housing shell 8 and an inner housing shell 9 arranged within the outer housing shell 8, the receptacles 6 being arranged in the inner housing shell 9.
  • the connector housing 2 is designed in several parts and has an outer housing shell 8 and an inner housing shell 9 arranged within the outer housing shell 8, the receptacles 6 being arranged in the inner housing shell 9.
  • different designs of the connector housing 2 are also possible, in particular a one-piece solution.
  • four receptacles 6 are provided to accommodate one contact element 7 each.
  • the contact elements 7 are in Figure 1 not shown for simplicity; are, however, in the Figures 4 to 6 recognizable.
  • the receptacles 6 are arranged in two rows arranged one below the other, each consisting of two receptacles 6 within the inner housing shell 9 and thus distributed symmetrically about the longitudinal axis L of the plug connector 1.
  • other arrangements of the recordings 6 and a different number of recordings 6 are also possible, for example only one recording 6, two recordings 6, three recordings 6, six recordings 6, eight recordings 6, ten recordings 6 or even more recordings 6 for recording in each case one or more contact elements 7.
  • the inner housing shell 9 can be inserted axially into the outer housing shell 8 and, for example, locked within the outer housing shell 8.
  • the electrical connector 1 further has a primary fuse 10, which is designed and arranged to lock with the contact element 7 when the contact element 7 is in an axial end position (see FIG Figure 4 or Figure 8 shown position of the contact elements 7) is located in the receptacle 6.
  • a multi-part primary fuse 10 is provided, which has four individual securing elements 11 in order to lock each contact element 7 in its axial end position in the associated receptacle 6.
  • the securing elements 11 are designed as locking hooks in the inner housing shell 9 and arranged in an elastic manner at the ends of corresponding fastening arms 12, such as in the Figures 4 to 6 is clearly visible.
  • the primary fuse 10 can lock with the contact element 7 (cf. Figures 4 to 6 ) to lock with a groove, a recess, a recess or a locking element of the electrical contact element 7.
  • the contact element 7 has a radially circumferential groove 13.
  • the primary fuse 10 is designed in one piece and only includes a single fuse element 11 in order to lock a single contact element 7 or several contact elements 7 together.
  • two locking hooks connected via a web can be provided in order to lock the entire upper row and/or the entire lower row of contact elements 7 simultaneously when the contact elements 7 are inserted into the corresponding receptacles 6.
  • the electrical connector 1 also has two secondary fuses 14, which are in a securing position Ps (cf. Figures 4 and 6 ) block the latching between the primary fuse 10 and the electrical contact element 7 in a form-fitting manner.
  • the connector housing 2 or the inner housing shell 9 has a respective guide 15 for the secondary fuses 14, which is designed such that the secondary fuses 14 can be inserted into the connector housing 2 through the front opening 4.
  • each of the secondary fuses 14 is designed to simultaneously positively block two fuse elements 11 of the primary fuse 10 arranged in the same row. In principle, however, only one secondary fuse 14 can be provided in order to block a single security element 11 or several security elements 11 together.
  • Figure 4 shows a sectional view along the longitudinal axis L of an electrical plug connection 17, comprising an electrical plug connector 1 and an electrical mating plug connector 3.
  • a state of the plug connection 17 in which a first secondary fuse 14 is in its starting position P A and thus in the insertion path of the mating connector 3, the mating connector 3 or the mating connector housing correspondingly being attached to the secondary fuse 14 (cf. lower secondary fuse 14 in Figure 4 ) strikes axially.
  • the second secondary fuse 14 is already in its securing position Ps, in which it positively blocks the primary fuse 10 or prevents the primary fuse 10 from opening radially (upper secondary fuse 14 in Figure 4 ).
  • the secondary fuses 14 can be moved in the direction of the rear end 5 of the connector housing 2 into the securing position Ps in such a way that the secondary fuses 14 in the securing position Ps release the insertion path for the mating connector 3.
  • the secondary fuses 14 can be displaced from the starting position P A parallel to the longitudinal axis L of the connector housing 2 in the direction of the securing position Ps.
  • the primary fuse 10 is in the displacement path of the secondary fuses 14 from its starting position P A to its securing position Ps (or in the securing position Ps) when the contact element 7 is inserted into the receptacle 6, However, it is not yet in the axial end position.
  • the principle is based on the Figures 5 and 6 clarified.
  • the contact element 7 shown is not yet fully inserted into the receptacle 6 or is not yet in its axial end position, which is why the primary fuse 10 is not yet completely locked with the contact element 7. Since it is in the displacement path of the secondary fuse 14, it is not possible to insert the secondary fuse 14 axially deeper into the connector housing 2 despite inserting the mating connector 3, which is why the mating connector 3 does not fully insert itself into the connector 1 or into the connector housing 2 leaves.
  • the axial length of the secondary fuse 14 is dimensioned such that electrical contact between the mating connector 3 and the connector 1 is prevented as long as the secondary fuse 14 is not in its securing position Ps. More preferably, locking of the mating connector 3 in the connector 1 can also be prevented as long as the secondary fuse 14 is not in the securing position Ps.
  • the contact element 7 is sufficiently inserted into the receptacle 6 or is in its axial end position, which is why the primary fuse 10 can lock with the contact element 7.
  • the secondary fuse 14 is designed to allow a radial, outward movement of the primary fuse 10 from the longitudinal axis L of the connector housing 2 block and for this purpose has at least one blocking element 18, which can be pushed axially over the primary fuse 10 or over the securing element 11 of the primary fuse 10, whereby a radial movement of the primary fuse 10 is blocked.
  • the secondary fuse 14 has one or more latching elements 19, for example a latching hook (cf. Figure 3 ) to lock in the starting position P A within the connector housing 2 and/or in the securing position Ps with the connector housing 2.
  • latching elements 19 for example a latching hook (cf. Figure 3 ) to lock in the starting position P A within the connector housing 2 and/or in the securing position Ps with the connector housing 2.
  • a possible method for assembling an electrical connector 1 can provide that at least one receptacle 6 of the connector housing 2 is equipped with a contact element 7 of the connector 1, after which the primary fuse 10 of the connector 1 locks with the contact element 7 when the contact element 7 is in its position axial end position in the receptacle 6, and after which the secondary fuse 14 positively blocks the locking of the contact element 7 with the primary fuse 10 in its securing position P S.
  • the secondary fuse 14 can be inserted into the connector housing 2 through a front opening 4 of the connector housing 2 provided for inserting a mating connector 3 or starting from a front end of the connector 1 in the direction of a rear end 5 of the connector housing 2 into the connector housing 2 are inserted until it is in the securing position Ps starting from a starting position P A and releases an insertion path of the mating connector 3.
  • the inner housing shell 9 is first inserted into the outer housing shell 8 and then the secondary fuse 14 is inserted starting from the front end of the connector housing 2 or through the front opening 4.
  • the secondary fuse 14 is inserted into the inner housing shell 9 and then the secondary fuse 14 is inserted together with the inner housing shell 9 into the outer housing shell 8.
  • FIGS. 7 to 11 show different variants for forming a secondary fuse 14 together with the inner housing shell 9, each in a front view.
  • Figure 7 shows a variant in which there are again two secondary fuses 14 according to Figure 1 are provided, again only one of the secondary fuses 14 being shown in one of the guides 15 of the inner housing shell 9. To simplify matters, the contact elements 7 are again hidden.
  • FIG. 8 An alternative to using multiple secondary fuses 14, for example for one in Figure 1
  • the connector 1 shown with the four receptacles 6 or with the four contact elements 7 is in the Figures 8 and 9 shown.
  • the only secondary fuse 14 is partially ring-shaped ( Figure 8 ) or ring-shaped ( Figure 9 ) designed to simultaneously positively block all four securing elements 11 of the primary fuse 10 when the secondary fuse 14 is in its securing position Ps.
  • FIG 10 an alternative embodiment of a plug connector 1 is shown, in which the receptacles 6 and the securing elements 11 of the primary fuse 10 are arranged in a single row and a plate-shaped secondary fuse 14 is used to secure all the securing elements 11 of the primary fuse 10.
  • FIG 11 a secondary fuse 14 with a thorn-like or web-shaped shape 20, which can be inserted between at least two receptacles 6 in order to block the primary fuse 10.
  • several secondary fuses 14 can optionally be provided, with a first secondary fuse 14 securing a first row of contact elements 7 and a second secondary fuse 14 securing a second row of contact elements 7, or a single secondary fuse 14 with a correspondingly long, thorn-like or web-shaped shape 20 (indicated by dashed lines).
  • any further variants for designing the secondary fuse 14 or further cross sections for the secondary fuse 14 can be provided.
  • the ones in the Figures 7 to 11 Secondary fuses 14 shown are only to be understood as examples.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (12)

  1. Connecteur enfichable électrique (1), comprenant
    a) un corps de connecteur (2) avec une ouverture avant (4) destinée à l'enfichage d'un connecteur homologue (3), une extrémité arrière (5) opposée à l'ouverture avant (4), au moins un logement (6) pour un élément de contact électrique (7), et avec un dispositif de blocage primaire (10), agencé et disposé pour se verrouiller avec l'élément de contact (7) lorsque l'élément de contact (7) se trouve dans une position axiale extrême dans le logement (6) ;
    b) un dispositif de blocage secondaire (14) qui, dans une position de blocage (Ps), bloque par engagement positif le verrouillage entre le dispositif de blocage primaire (10) et l'élément de contact électrique (7),
    dans lequel le corps de connecteur (2) comporte un guidage (15) pour le dispositif de blocage secondaire (14) aménagé de sorte que le dispositif de blocage secondaire (14) peut être inséré par l'ouverture avant (4) dans le corps de connecteur (2), dans lequel le dispositif de blocage secondaire (14) se trouve dans une position de départ (PA) sur la trajectoire d'enfichage du connecteur homologue (3), et dans lequel le dispositif de blocage secondaire (14) peut coulisser en direction de l'extrémité arrière (5) du corps de connecteur (2) en position de blocage (Ps) de sorte que le dispositif de blocage secondaire (14), en position de blocage (Ps), libère la trajectoire d'enfichage du connecteur homologue (3), et dans lequel le corps de connecteur (2) est réalisé en plusieurs parties et comporte au moins une coquille extérieure (8) du corps et une coquille intérieure (9) du corps disposée à l'intérieur de la coquille extérieure (8) du corps, dans lequel la coquille intérieure (9) du corps comprend au moins un logement (6), et dans lequel le guidage (15) pour le dispositif de blocage secondaire (14) est ménagé sur la coquille intérieure (9) du corps,
    caractérisé en ce que,
    dans la position de départ (PA), le dispositif de blocage secondaire (14) s'enclenche à l'intérieur du corps de connecteur (2), de sorte que le dispositif de blocage secondaire (14) peut être tenu à disposition de manière imperdable dans le corps de connecteur (2) jusqu'à ce que le dispositif de blocage secondaire (14) soit finalement utilisé pour le blocage par engagement positif du dispositif de blocage primaire (10).
  2. Connecteur enfichable électrique (1) selon la revendication 1,
    caractérisé en ce qu',
    un logement (6), deux logements (6), trois logements (6), quatre logements (6), six logements (6), huit logements (6), dix logements (6) ou davantage de logements (6) sont prévus pour recevoir chacun un élément de contact (7).
  3. Connecteur enfichable électrique (1) selon la revendication 1 ou 2,
    caractérisé en ce que,
    pour l'enclenchement avec l'élément de contact (7), le dispositif de blocage primaire (10) s'enclenche avec une gorge (13), une encoche, un épaulement ou un élément d'enclenchement de l'élément de contact électrique (7).
  4. Connecteur enfichable électrique (1) selon l'une des revendications 1 à 3,
    caractérisé en ce que,
    le dispositif de blocage primaire (10) se trouve sur la trajectoire de coulissement du dispositif de blocage secondaire (14) de sa position de départ (PA) vers sa position de blocage (Ps), lorsque l'élément de contact (7) est enfiché dans le logement (6), cependant sans se trouver encore à sa position axiale extrême.
  5. Connecteur enfichable électrique (1) selon l'une des revendications 1 à 4,
    caractérisé en ce que,
    le dispositif de blocage primaire (10) comporte un seul élément de blocage (11), pour verrouiller l'élément de contact (7) ou pour verrouiller conjointement plusieurs des éléments de contact (7), ou plusieurs éléments de blocage (11), pour verrouiller des éléments de contact (7) individuels ou des groupes d'éléments de contact (7) indépendamment les uns des autres.
  6. Connecteur enfichable électrique (1) selon la revendication 5,
    caractérisé en ce que,
    un seul dispositif de blocage secondaire (14) est prévu, pour bloquer l'unique élément de blocage (11) ou pour bloquer conjointement plusieurs des éléments de blocage (11), ou au moins un autre dispositif de blocage secondaire (14) est prévu, pour bloquer des éléments de blocage (11) individuels ou des groupes d'éléments de blocage (11) indépendamment les uns des autres.
  7. Connecteur enfichable électrique (1) selon l'une des revendications 1 à 6,
    caractérisé en ce que,
    dans sa position de blocage (Ps), le dispositif de blocage secondaire (14) s'enclenche avec le corps de connecteur (2).
  8. Connecteur enfichable électrique (1) selon l'une des revendications 1 à 7,
    caractérisé en ce que,
    le dispositif de blocage secondaire (14) peut coulisser depuis sa position de départ (PA) parallèlement à l'axe longitudinal (L) du corps de connecteur (2) en direction de la position de verrouillage (Ps).
  9. Connecteur enfichable électrique (1) selon l'une des revendications 1 à 8,
    caractérisé en ce que,
    le dispositif de blocage secondaire (14) est aménagé pour bloquer un déplacement radial, dirigé vers l'extérieur depuis l'axe longitudinal (L) du corps de connecteur (2), du dispositif de blocage primaire (10).
  10. Connecteur enfichable électrique (1) selon l'une des revendications 1 à 9,
    caractérisé en ce que,
    le dispositif de blocage secondaire (14) est réalisé sous la forme d'une plaquette ou a une section en forme d'anneau ou de partie d'anneau.
  11. Connecteur enfichable électrique (1) selon l'une des revendications 1 à 10,
    caractérisé en ce que,
    le dispositif de blocage secondaire (14) présente une partie (20) ayant la forme d'un mandrin ou d'une nervure pouvant être insérée entre au moins deux logements (6) pour bloquer le dispositif de blocage primaire (10).
  12. Dispositif de connexion électrique (17) comprenant un connecteur enfichable électrique (1) selon l'une des revendications 1 à 11 et le connecteur homologue (3).
EP19164091.1A 2019-03-20 2019-03-20 Connecteur enfichable électrique Active EP3713018B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19164091.1A EP3713018B1 (fr) 2019-03-20 2019-03-20 Connecteur enfichable électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19164091.1A EP3713018B1 (fr) 2019-03-20 2019-03-20 Connecteur enfichable électrique

Publications (3)

Publication Number Publication Date
EP3713018A1 EP3713018A1 (fr) 2020-09-23
EP3713018B1 true EP3713018B1 (fr) 2024-03-20
EP3713018C0 EP3713018C0 (fr) 2024-03-20

Family

ID=65894866

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Application Number Title Priority Date Filing Date
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EP (1) EP3713018B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230253735A1 (en) * 2022-02-10 2023-08-10 Aptiv Technologies Limited Connector assembly with an unseated terminal detection feature
DE102023101706A1 (de) 2023-01-24 2024-07-25 Md Elektronik Gmbh Elektrischer steckverbinder mit radial zu betätigender sekundärverriegelung, und elektrisches steckverbindungssystem
DE102023109888A1 (de) * 2023-04-19 2024-10-24 Te Connectivity Solutions Gmbh Gehäuseanordnung, Steckverbinder und Verbindungsvorrichtung

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4565416A (en) * 1984-04-11 1986-01-21 Amp Incorporated Latching means and locking means for retaining terminals in a connector
US4714437A (en) * 1987-01-20 1987-12-22 Ford Motor Company Electrical connector
JPH07105246B2 (ja) * 1988-12-09 1995-11-13 矢崎総業株式会社 コネクタの端子係止構造
DE4124541C2 (de) * 1990-11-21 1993-10-14 Yazaki Corp Elektrischer Steckverbinder
US5716233A (en) * 1995-11-30 1998-02-10 Itt Corporation Contact position assurance device
US5803759A (en) * 1996-07-26 1998-09-08 Chrysler Corp Two way electrical connector
US6062906A (en) * 1998-08-31 2000-05-16 Sumitomo Wiring Systems, Ltd. Electrical connector and retaining member therefor
JP4083947B2 (ja) * 1999-12-27 2008-04-30 矢崎総業株式会社 二重係止コネクタ
ATE514205T1 (de) * 2008-04-25 2011-07-15 Molex Inc Stecker mit tpa-positionserkennung
US9153894B2 (en) 2013-11-11 2015-10-06 Yazaki North America, Inc. Terminal position assurance with dual primary lock reinforcement and independent secondary lock

Also Published As

Publication number Publication date
EP3713018C0 (fr) 2024-03-20
EP3713018A1 (fr) 2020-09-23

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