EP2012392B1 - Improved holding protective socket of a connector - Google Patents

Improved holding protective socket of a connector Download PDF

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Publication number
EP2012392B1
EP2012392B1 EP08011980.3A EP08011980A EP2012392B1 EP 2012392 B1 EP2012392 B1 EP 2012392B1 EP 08011980 A EP08011980 A EP 08011980A EP 2012392 B1 EP2012392 B1 EP 2012392B1
Authority
EP
European Patent Office
Prior art keywords
contact
housing
electrical conductor
contact housing
compression spring
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
EP08011980.3A
Other languages
German (de)
French (fr)
Other versions
EP2012392A1 (en
Inventor
Werner JÄGER
Rudolf Fekonja
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.)
Hirschmann Automotive GmbH
Bayerische Motoren Werke AG
Original Assignee
Hirschmann Automotive GmbH
Bayerische Motoren Werke AG
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 Hirschmann Automotive GmbH, Bayerische Motoren Werke AG filed Critical Hirschmann Automotive GmbH
Publication of EP2012392A1 publication Critical patent/EP2012392A1/en
Application granted granted Critical
Publication of EP2012392B1 publication Critical patent/EP2012392B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H01R4/029—Welded connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
    • 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
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • H01R13/432—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by stamped-out resilient tongue snapping behind shoulder in base or case
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/02—Soldered or welded connections
    • H01R4/023—Soldered or welded connections between cables or wires and terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H01R4/185—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion combined with a U-shaped insulation-receiving portion
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing

Definitions

  • the invention relates to a contact for receiving a mating contact and a method for producing such a contact and its attachment to a cable according to the features of the preambles of the independent claims.
  • Such connectors which relate in particular contactless contactless systems are, for example, from DE 10 2006 002 774 . DE 10 2006 014 156 . DE 10 2006 060 238 or DE 10 2006 014 086 known.
  • Connectors having, for example, a contact on the female side and a male contact on the male side are known.
  • the contact on the socket side is designed to be in operative connection with a mating contact of the plug, z. B. formed as a contact pin to be brought into operative connection.
  • a contact for receiving a mating contact wherein the contact has a arranged at one end of a cable contact housing, which is contacted with an electrical conductor of the cable, wherein a compression spring is provided, wherein the compression spring is formed so that it on the contact housing and acts on the mating contact via at least a part of the contact housing.
  • the invention is therefore based on the object to provide a contact for receiving a mating contact and a method for producing such a Kotaktes and its attachment to a cable that produced quickly and efficiently in large quantities with simplified manufacturing process and achieving the required contact reliability over its lifetime can be.
  • the object is achieved in that a compression spring is provided, wherein the compression spring is designed so that it acts on the contact housing and at least a portion of the contact housing on the mating contact and on a first joint is added to the contact housing, wherein furthermore the electrical conductor is attached to a spaced apart from the first joint further joint on the contact housing
  • the two spaced apart, the distance may be only a few millimeters, joints allow either the compression spring and the electrical conductor can be added to the contact housing either in the same manufacturing step or it is alternatively possible that first the compression spring the contact housing is added and in a further step, the electrical conductor is attached to the contact housing (or reverse sequence). So it is possible, for example, that one and the same manufacturer produces both the contact, more precisely: the contact housing, and attaches the compression spring to the contact housing in the same step or in two successive steps and also the contact (attachment) of the electrical conductor also on the Contact housing makes.
  • the first manufacturer to make the contact housing and attach the compression spring and deliver that part to another manufacturer who then attaches the appropriately prepared cable with its electrical conductors to the contact housing ,
  • the two separate, i. spaced joints also have the advantage that both the joints and the respective joining process can be adapted to the materials and material thicknesses to be joined.
  • the joining process in the respective material pairings can be fitted to appropriate manner.
  • identical or different joining processes are preferably welding or soldering into consideration, depending on the material or material thickness, other joining processes are conceivable.
  • the two joints are on the same side of the contact housing.
  • the contact housing after its manufacture can be used in a holder and the two Assemblies are accessible from the same side either at the same manufacturer or in chronological order at different manufacturers, so that both the compression spring and the cable with its stripped electrical conductor from the same side (eg from above) are accessible, which is a supply of these components much easier in the direction of the contact housing.
  • FIGS. 1 and 3 as far as shown in detail, a three-dimensional view ( FIG. 1 ) as well as a section ( FIG. 3 ) of a contact 1 for receiving a mating contact, wherein the contact 1 is arranged at the end of a cable 2 with a non-designated outer jacket, wherein furthermore the cable 2 has an electrical conductor 3.
  • a contact housing 4 is arranged, in which case this contact housing 4 is advantageously designed as a socket box and is a stamped and bent part. This stamped bent part is as a settlement in FIG. 3 shown.
  • FIGS. 1 and 2 are shown prepared. This trained as a female connector housing 4 made of an electrically conductive material receives a mating contact, wherein to increase the contact force and to ensure a permanent contact when in the contact housing 4 of the mating contact is used, a compression spring 5, which according to the embodiment in FIGS. 1 and 2 is elongated and has approximately a waveform.
  • This compression spring 5 is added in a first manufacturing step in its end to a first joint 6 of the contact housing 4 at this, in which case the electrical conductor 3 of the cable 2 has not yet been added to the contact housing 4.
  • the attachment of the electrical conductor 3 at a second joint 7 of the contact housing 4 is carried out either at the same manufacturer in a second step or in a second step at a further manufacturer.
  • the contact housing 4 has at least one, preferably two, crimp wings 8 in the end region of the cable 2 fixed there, which loop around the outer jacket of the cable 2. This also causes a strain relief acting on the contact 1 tensile or compressive forces.
  • the contact 1 arranged on the cable 2 is also inserted into an outer housing, not shown, so that it is advantageous that with the crimp wings 8 not only the outer sheath of the cable 2 but also a seal 9 arranged on the outer sheath of the cable 2 is looped around and fixed there, wherein the seal 9 seals the contact 1 relative to the outer housing, thereby a longitudinal water tightness is realized.
  • the mating contact which is insertable into the contact housing 4, is provided with the reference numeral 10. It is designed for example as a contact pin of a mating contact.
  • the reference numeral 11 denotes a spring tab, which protrudes from the contact housing 4 and engages in a corresponding recess or a corresponding stop in the outer housing of the connector formed thereby or comes to rest in order to realize a primary lock.
  • This primary locking causes in a conventional manner that the contact 1 in the outer housing, which For example, can be made of plastic in an injection molding process is determined.
  • the attachment of the compression spring 5 takes place on the contact housing 4 and the attachment of the electrical conductor 3 to the contact housing 4 in one and the same step or in two temporally successive steps.
  • the end of the electrical conductor 3 in the event that the electrical conductor 3 is a circular conductor is plated prior to attachment to the contact housing 4.
  • This plating of the electrical conductor 3 prior to attachment to the contact housing 4 can then be omitted if the joining process is designed so that by executing the joining process, the previously round electrical conductor 3 (eg a stranded conductor) is subsequently clad, so that in any case Execution of the joining process to achieve a compact design, the end of the electrical conductor 3 in the region of the second joint 7 is plated.
  • the process of plating the electrical conductor 3 can then be omitted if the cable 2 is a ribbon cable and the electrical conductor 3 is a corresponding flat conductor.
  • connectors and mating connectors can also be designed so that they are initially plugged together a piece and then the compression spring 5 is actuated by a projection or the like when plug connectors and mating connectors have been plugged into their final position. It is of particular advantage that the mating contact 10 is first inserted (plugged) almost without friction and therefore almost no effort in the contact housing 4 and only then the contacting force (external force, pressure force) is applied via the compression spring 5 as described above when the mating contact 10 is in its end position in the contact housing 4.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Manufacturing Of Electrical Connectors (AREA)

Description

Die Erfindung betrifft einen Kontakt zur Aufnahme eines Gegenkontaktes sowie ein Verfahren zur Herstellung eines solchen Kontaktes und dessen Anbringung an einem Kabel gemäß den Merkmalen der Oberbegriffe der unabhängigen Patentansprüche.The invention relates to a contact for receiving a mating contact and a method for producing such a contact and its attachment to a cable according to the features of the preambles of the independent claims.

Solche Steckverbinder, die insbesondere kontaktteillose Kontaktierungssysteme betreffen, sind zum Beispiel aus der DE 10 2006 002 774 , DE 10 2006 014 156 , DE 10 2006 060 238 oder DE 10 2006 014 086 bekannt.Such connectors, which relate in particular contactless contactless systems are, for example, from DE 10 2006 002 774 . DE 10 2006 014 156 . DE 10 2006 060 238 or DE 10 2006 014 086 known.

Bei Steckverbindern, die zum Beispiel einen Kontakt auf der Buchsenseite und einen Gegenkontakt auf der Steckerseite aufweisen, sind bekannt. Dabei ist der Kontakt auf der Buchsenseite dazu ausgebildet, in Wirkverbindung mit einem Gegenkontakt des Steckers, z. B. ausgebildet als Kontaktstift, in Wirkverbindung gebracht zu werden.Connectors having, for example, a contact on the female side and a male contact on the male side are known. In this case, the contact on the socket side is designed to be in operative connection with a mating contact of the plug, z. B. formed as a contact pin to be brought into operative connection.

Aus der gattungsbildenden US-A-5 362 260 ist ein Kontakt zur Aufnahme eines Gegenkontaktes bekannt, wobei der Kontakt ein an einem Ende eines Kabels angeordnetes Kontaktgehäuse aufweist, welches mit einem elektrischen Leiter des Kabels kontaktiert ist, wobei eine Druckfeder vorgesehen ist, wobei die Druckfeder so ausgebildet ist, dass sie auf das Kontaktgehäuse und über zumindest einen Teil des Kontaktgehäuses auf den Gegenkontakt wirkt.From the generic US-A-5,362,260 a contact for receiving a mating contact is known, wherein the contact has a arranged at one end of a cable contact housing, which is contacted with an electrical conductor of the cable, wherein a compression spring is provided, wherein the compression spring is formed so that it on the contact housing and acts on the mating contact via at least a part of the contact housing.

Der Erfindung liegt daher die Aufgabe zu Grunde, einen Kontakt zur Aufnahme eines Gegenkontaktes sowie ein Verfahren zur Herstellung eines solchen Kotaktes und dessen Anbringung an einem Kabel anzugeben, der schnell und rationell in großen Stückzahlen bei vereinfachtem Herstellungsverfahren und Erzielung der erforderlichen Kontaktsicherheit über seine Lebensdauer hergestellt werden kann.The invention is therefore based on the object to provide a contact for receiving a mating contact and a method for producing such a Kotaktes and its attachment to a cable that produced quickly and efficiently in large quantities with simplified manufacturing process and achieving the required contact reliability over its lifetime can be.

Diese Aufgabe ist durch die Merkmale der unabhängigen Patentansprüche gelöst.This object is solved by the features of the independent claims.

Erfindungsgemäß ist die Aufgabe dadurch gelöst, dass eine Druckfeder vorgesehen ist, wobei die Druckfeder so ausgebildet ist, dass sie auf das Kontaktgehäuse und über zumindest einen Teil des Kontaktgehäuses auf den Gegenkontakt wirkt und an einer ersten Fügestelle an das Kontaktgehäuse angefügt ist, wobei weiterhin der elektrische Leiter an einer von der ersten Fügestelle beabstandeten weiteren Fügestelle an dem Kontaktgehäuse angefügt istAccording to the invention the object is achieved in that a compression spring is provided, wherein the compression spring is designed so that it acts on the contact housing and at least a portion of the contact housing on the mating contact and on a first joint is added to the contact housing, wherein furthermore the electrical conductor is attached to a spaced apart from the first joint further joint on the contact housing

Die beiden voneinander beabstandeten, wobei der Abstand auch nur wenige Millimeter betragen kann, Fügestellen ermöglichen es, dass entweder im gleichen Herstellungsschritt sowohl die Druckfeder als auch der elektrische Leiter an dem Kontaktgehäuse angefügt werden können oder es dazu alternativ möglich ist, dass zuerst die Druckfeder an dem Kontaktgehäuse angefügt wird und in einem weiteren Arbeitsschritt der elektrische Leiter an dem Kontaktgehäuse angefügt wird (oder umgekehrte Abfolge). So ist es beispielsweise möglich, dass ein und derselbe Hersteller sowohl den Kontakt, genauer: das Kontaktgehäuse, herstellt und im gleichen Arbeitsschritt oder in zwei aufeinander folgenden Arbeitsschritten die Druckfeder an dem Kontaktgehäuse anfügt und auch die Kontaktierung (Anfügung) des elektrischen Leiters ebenfalls an dem Kontaktgehäuse vornimmt. Alternativ dazu ist es, was häufig der Regelfall ist, möglich, dass der erste Hersteller das Kontaktgehäuse herstellt und die Druckfeder anfügt und dieses Teil an einen weiteren Hersteller (Konfektionär) liefert, der dann das entsprechend vorbereitete Kabel mit seine elektrischen Leiter an das Kontaktgehäuse anfügt. Durch diese Vorgehensweise ist eine schnelle und rationelle Fertigung solcher Kontakte, die am Ende von Kabeln angeordnet werden, möglich. Die beiden voneinander getrennten, d.h. beabstandeten Fügestellen, haben darüber hinaus den Vorteil, dass sowohl die Fügestellen als auch der jeweilige Fügeprozess an die zu fügenden Materialien und Materialstärken angepasst werden können. Dabei ist es weiterhin von Vorteil, dass, ja nach verwendeten Materialpaarungen (Kontaktgehäuse und Druckfeder bzw. Kontaktgehäuse und elektrischer Leiter) die Fügeprozesses in den jeweiligen Materialpaarungen entsprechender Weise an gepasst werden können. Als für beide Fügestellen gleiche oder voneinander unterschiedliche Fügeprozesse kommen vorzugsweise Schweiß- oder Lötverfahren in Betracht, wobei je nach Material bzw. Materialstärke auch andere Fügeprozesse denkbar sind.The two spaced apart, the distance may be only a few millimeters, joints allow either the compression spring and the electrical conductor can be added to the contact housing either in the same manufacturing step or it is alternatively possible that first the compression spring the contact housing is added and in a further step, the electrical conductor is attached to the contact housing (or reverse sequence). So it is possible, for example, that one and the same manufacturer produces both the contact, more precisely: the contact housing, and attaches the compression spring to the contact housing in the same step or in two successive steps and also the contact (attachment) of the electrical conductor also on the Contact housing makes. Alternatively, as is often the case, it is possible for the first manufacturer to make the contact housing and attach the compression spring and deliver that part to another manufacturer who then attaches the appropriately prepared cable with its electrical conductors to the contact housing , By this procedure, a fast and efficient production of such contacts, which are arranged at the end of cables, possible. The two separate, i. spaced joints, also have the advantage that both the joints and the respective joining process can be adapted to the materials and material thicknesses to be joined. It is also advantageous that, according to the material pairings used (contact housing and compression spring or contact housing and electrical conductor), the joining process in the respective material pairings can be fitted to appropriate manner. As for both joints identical or different joining processes are preferably welding or soldering into consideration, depending on the material or material thickness, other joining processes are conceivable.

In Weiterbildung der Erfindung finden sich die beiden Fügestellen auf der gleichen Seite des Kontaktgehäuses Dadurch ist es möglich, dass z.B. das Kontaktgehäuse nach seiner Herstellung in eine Halterung eingesetzt werden kann und die beiden Fügestellen entweder beim gleichen Hersteller oder in zeitlicher Abfolge bei unterschiedlichen Herstellern von der gleichen Seite zugänglich sind, so dass sowohl die Druckfeder als auch das Kabel mit seinem abisolierten elektrischen Leiter von der gleichen Seite (z.B. von oben) zugänglich sind, was eine Zufuhr dieser Bauteile in Richtung des Kontaktgehäuses wesentlich erleichtert. Damit entfallen in vorteilhafter Weise bei Ausgestaltung eines länglichen Kontaktgehäuses die axiale Zufuhr der Druckfeder und/oder des elektrischen Leiters, wodurch Schwierigkeiten bei der Zufuhr dieser Bauteile in einem automatisierten Herstellungsprozess vermieden werden und auch weitere entsprechende Vorbereitungen (wie z.B. ein Umbiegen des elektrischen Leiters vor der Zusammenfügung mit dem Kontaktgehäuse) vermieden werden.In a further development of the invention, the two joints are on the same side of the contact housing. Thus, it is possible that, for example, the contact housing after its manufacture can be used in a holder and the two Assemblies are accessible from the same side either at the same manufacturer or in chronological order at different manufacturers, so that both the compression spring and the cable with its stripped electrical conductor from the same side (eg from above) are accessible, which is a supply of these components much easier in the direction of the contact housing. This eliminates advantageously in the embodiment of an elongated contact housing, the axial supply of the compression spring and / or the electrical conductor, thereby avoiding difficulties in supplying these components in an automated manufacturing process and other appropriate preparations (such as a bending of the electrical conductor before the Assembly with the contact housing) can be avoided.

Weiter Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben und werden im Folgenden anhand der Figuren, auf deren gezeigtes Ausführungsbeispiel die Erfindung nicht beschränkt ist, näher erläutert.Further embodiments of the invention are specified in the subclaims and are explained in more detail below with reference to the figures, on the embodiment of which the invention is not limited.

Die Figuren 1 und 3 zeigen, soweit im Einzelnen dargestellt, eine dreidimensionale Ansicht (Figur 1) sowie einen Schnitt (Figur 3) eines Kontaktes 1 zur Aufnahme eines Gegenkontaktes, wobei der Kontakt 1 am Ende eines Kabels 2 mit einem nicht nähre bezeichneten Außenmantel angeordnet ist, wobei weiterhin das Kabel 2 einen elektrischen Leiter 3 aufweist. An dem Ende dieses Kabels 2 ist ein Kontaktgehäuse 4 angeordnet, wobei in vorteilhafter Weise dieses Kontaktgehäuse 4 als Buchsenkasten ausgebildet ist und ein Stanzbiegeteil ist. Dieses Stanzbiegeteil ist als Abwicklung in Figur 3 gezeigt. Durch entsprechende Ausstanzung aus einem Blechteil, beispielsweise mit den Außenkonturen, die in Figur 3 gezeigt sind, und anschließendem Umbiegen wird der Buchsenkasten als Kontaktgehäuse 4, wie er in Figur 1 dargestellt ist, hergestellt. Dieses als Buchsenkasten ausgebildete Kontaktgehäuse 4 aus einem elektrisch leitfähigen Material nimmt einen Gegenkontakt auf, wobei zur Erhöhung der Kontaktkraft und zur Sicherstellung eines dauerhaften Kontaktes, wenn in dem Kontaktgehäuse 4 der Gegenkontakt eingesetzt ist, eine Druckfeder 5 auf, die entsprechend der Ausgestaltung in Figur 1 und 2 länglich ausgebildet ist und in etwa eine Wellenform aufweist. Diese Druckfeder 5 wird in einem ersten Herstellungsschritt in ihrem Endbereich an einer ersten Fügestelle 6 des Kontaktgehäuses 4 an diesem angefügt, wobei in diesem Fall der elektrische Leiter 3 des Kabels 2 noch nicht an dem Kontaktgehäuse 4 angefügt wurde. Die Anfügung des elektrischen Leiters 3 an einer zweiten Fügestelle 7 des Kontaktgehäuses 4 erfolgt entweder beim selben Hersteller in einem zweiten Arbeitsschritt oder in einem zweiten Arbeitsschritt bei einem weiteren Hersteller. Alternativ dazu ist es denkbar, dass in einem ersten Arbeitsschritt der elektrische Leiter an der Fügestelle 7 angefügt und danach in einem weiteren Arbeitsschritt die Druckfeder 5 an dem Kontaktgehäuse 4 angefügt wird. In einer weiteren alternativen Ausgestaltung ist es ebenfalls denkbar, in ein und demselben Arbeitsschritt sowohl die Druckfeder 5 als auch den elektrischen Leiter 3 an dem Kontaktgehäuse 4 anzufügen.The FIGS. 1 and 3 as far as shown in detail, a three-dimensional view ( FIG. 1 ) as well as a section ( FIG. 3 ) of a contact 1 for receiving a mating contact, wherein the contact 1 is arranged at the end of a cable 2 with a non-designated outer jacket, wherein furthermore the cable 2 has an electrical conductor 3. At the end of this cable 2, a contact housing 4 is arranged, in which case this contact housing 4 is advantageously designed as a socket box and is a stamped and bent part. This stamped bent part is as a settlement in FIG. 3 shown. By appropriate punching of a sheet metal part, for example, with the outer contours, in FIG. 3 are shown, and then bending the socket box is used as a contact housing 4, as in FIG. 1 is shown prepared. This trained as a female connector housing 4 made of an electrically conductive material receives a mating contact, wherein to increase the contact force and to ensure a permanent contact when in the contact housing 4 of the mating contact is used, a compression spring 5, which according to the embodiment in FIGS. 1 and 2 is elongated and has approximately a waveform. This compression spring 5 is added in a first manufacturing step in its end to a first joint 6 of the contact housing 4 at this, in which case the electrical conductor 3 of the cable 2 has not yet been added to the contact housing 4. The attachment of the electrical conductor 3 at a second joint 7 of the contact housing 4 is carried out either at the same manufacturer in a second step or in a second step at a further manufacturer. Alternatively, it is conceivable that in a first step, the electrical conductor attached to the joint 7 and then the compression spring 5 is added to the contact housing 4 in a further step. In a further alternative embodiment, it is likewise conceivable to attach both the compression spring 5 and the electrical conductor 3 to the contact housing 4 in one and the same working step.

Zur Erzielung der bestmöglichen Kontaktsicherheit, die insbesondere durch Feuchtigkeit und Schmutzpartikel nicht beeinträchtigt werden darf, weist das Kontaktgehäuse 4 im Endbereich des dort festgelegten Kabels 2 zumindest einen, vorzugsweise zwei Crimpflügel 8 auf, die den Außenmantel des Kabels 2 umschlingen. Dadurch wird auch eine Zugentlastung von auf den Kontakt 1 wirkende Zug- bzw. Druckkräfte bewirkt.To achieve the best possible contact reliability, which must not be impaired, in particular, by moisture and dirt particles, the contact housing 4 has at least one, preferably two, crimp wings 8 in the end region of the cable 2 fixed there, which loop around the outer jacket of the cable 2. This also causes a strain relief acting on the contact 1 tensile or compressive forces.

Im Regelfall wird der an dem Kabel 2 angeordnete Kontakt 1 auch in ein nicht dargestelltes Außengehäuse eingesetzt, so dass es von Vorteil ist dass mit den Crimpflügeln 8 nicht nur der Außenmantel de Kabels 2, sondern auch eine auf dem Außenmantel des Kabels 2 angeordnete Dichtung 9 umschlungen und dort festgelegt wird, wobei die Dichtung 9 den Kontakt 1 gegenüber dem Außengehäuse abdichtet, so dass dadurch eine Längswasserdichtheit realisiert ist.As a rule, the contact 1 arranged on the cable 2 is also inserted into an outer housing, not shown, so that it is advantageous that with the crimp wings 8 not only the outer sheath of the cable 2 but also a seal 9 arranged on the outer sheath of the cable 2 is looped around and fixed there, wherein the seal 9 seals the contact 1 relative to the outer housing, thereby a longitudinal water tightness is realized.

Der Gegenkontakt, der in das Kontaktgehäuse 4 einsetzbar ist, ist mit der Bezugsziffer 10 versehen. Er ist beispielsweise als Kontaktstift eines Gegenkontaktes ausgebildet. Schließlich ist noch mit der Bezugsziffer 11 eine Federlasche bezeichnet, die aus dem Kontaktgehäuse 4 herausragt und in eine entsprechende Ausnehmung oder einen entsprechenden Anschlag in dem Außengehäuse des dadurch gebildeten Steckverbinders eingreift bzw. zur Anlage kommt, um eine Primärverriegelung zu realisieren. Diese Primärverriegelung bewirkt in an sich bekannter Weise, dass der Kontakt 1 in dem Außengehäuse, welches beispielsweise aus Kunststoff in einem Spritzgussverfahren hergestellt werden kann, festgelegt wird.The mating contact, which is insertable into the contact housing 4, is provided with the reference numeral 10. It is designed for example as a contact pin of a mating contact. Finally, the reference numeral 11 denotes a spring tab, which protrudes from the contact housing 4 and engages in a corresponding recess or a corresponding stop in the outer housing of the connector formed thereby or comes to rest in order to realize a primary lock. This primary locking causes in a conventional manner that the contact 1 in the outer housing, which For example, can be made of plastic in an injection molding process is determined.

Das erfindungsgemäße Herstellungsverfahren zeichnet sich durch die folgenden Schritte aus:

  • An dem Kontaktgehäuse 4 wird an einer ersten Fügestelle 6 die Druckfeder 5 angefügt,
  • Der elektrische Leiter 3 wird an einer weiteren, von der ersten Fügestelle 6 beabstandeten Fügestelle 7 an dem Kontaktgehäuse 4 angefügt.
The production method according to the invention is characterized by the following steps:
  • At the contact housing 4, the compression spring 5 is added at a first joint 6,
  • The electrical conductor 3 is attached to a further, spaced from the first joint 6 joint 7 on the contact housing 4.

Weiterhin ist vorgesehen, dass die Anfügung der Druckfeder 5 an dem Kontaktgehäuse 4 und die Anfügung des elektrischen Leiters 3 an dem Kontaktgehäuse 4 in ein und demselben Arbeitsschritt oder in zwei zeitlich aufeinander folgenden Arbeitsschritten erfolgt.Furthermore, it is provided that the attachment of the compression spring 5 takes place on the contact housing 4 and the attachment of the electrical conductor 3 to the contact housing 4 in one and the same step or in two temporally successive steps.

Weiterhin ist vorgesehen, dass das Ende des elektrischen Leiters 3 für den Fall, dass der elektrische Leiter 3 ein Rundleiter ist, vor dem Anfügen an dem Kontaktgehäuse 4 plattiert wird. Dieses Plattieren des elektrischen Leiters 3 vor dem Anfügen an das Kontaktgehäuse 4 kann dann entfallen, wenn der Fügeprozess so gestaltet ist, dass durch Ausführung des Fügeprozesses der vorher runde elektrische Leiter 3 (z.B. ein Litzenleiter) anschließend plattiert ist, so dass auf jeden Fall nach Ausführung des Fügeprozesses zur Erzielung einer kompakten Bauweise das Ende des elektrischen Leiters 3 im Bereich der zweiten Fügestelle 7 plattiert ist. Der Vorgang des Plattierens des elektrischen Leiters 3 kann dann entfallen, wenn das Kabel 2 ein Flachbandkabel und der elektrische Leiter 3 ein entsprechender Flachleiter ist. Schließlich ist noch vorgesehen, dass vor dem Anfügen des elektrischen Leiters 3 an der zweiten Fügestelle 7, an dem Kontaktgehäuse 4, die Dichtung 9 auf dem Außenmantel des Kabels 2 aufgeschoben und mit den Crimpflügeln 8 festgelegt wird. Dabei ist darauf hinzuweisen, dass die Vercrimpung mittels der Crimpflügel 8 keinerlei elektrische Kontaktierung bewirkt, sondern dass dadurch lediglich das Kabel 2, vorzugsweise unter Zwischenlegung der Dichtung 9, mechanisch an dem Kontaktgehäuse 4 festgelegt wird. Die Fügung der Druckfeder 5 an das Kontaktgehäuse 4 sowie die Fügung des elektrischen Leiters 3 an dem Kontaktgehäuse 4 erfolgt, wie vorstehend schon erwähnt, durch Fügeprozesse wie Schweißen oder Löten und nicht durch einen Crimpvorgang.Furthermore, it is provided that the end of the electrical conductor 3 in the event that the electrical conductor 3 is a circular conductor, is plated prior to attachment to the contact housing 4. This plating of the electrical conductor 3 prior to attachment to the contact housing 4 can then be omitted if the joining process is designed so that by executing the joining process, the previously round electrical conductor 3 (eg a stranded conductor) is subsequently clad, so that in any case Execution of the joining process to achieve a compact design, the end of the electrical conductor 3 in the region of the second joint 7 is plated. The process of plating the electrical conductor 3 can then be omitted if the cable 2 is a ribbon cable and the electrical conductor 3 is a corresponding flat conductor. Finally, it is provided that before the joining of the electrical conductor 3 at the second joint 7, on the contact housing 4, the seal 9 is pushed onto the outer jacket of the cable 2 and fixed with the Crimflügeln 8. It should be noted that the crimping by means of Crimpflügel 8 causes no electrical contact, but that thereby only the cable 2, preferably with the interposition of the seal 9, mechanically fixed to the contact housing 4. The addition of the compression spring 5 to the Contact housing 4 and the joining of the electrical conductor 3 to the contact housing 4 takes place, as already mentioned above, by joining processes such as welding or soldering and not by a crimping process.

Für die Funktion des fertigen Steckverbinders ist es von Bedeutung, dass eine Kraft auf die Druckfeder 5 ausgeübt wird, wobei diese Kraft über die Druckfeder 5 und das Kontaktgehäuse 4 auf den Gegenkontakt 10 wirkt. Dies bewirkt eine erhöhte Andruckkraft zwischen den elektrisch leitenden Teilen von Steckverbinder und Gegensteckverbinder, die miteinander kontaktiert werden sollen, nämlich das Kontaktgehäuse 4 des Steckverbinders mit dem Gegenkontakt 10 des Gegensteckverbinders. Diese Kraft wird während des Zusammensetzens von Steckverbinder und Gegensteckverbinder oder danach aufgebracht, wobei die Gehäuse und weitere Elemente von Steckverbinder und Gegensteckverbinder so ausgebildet sind, dass die Kraft beim Zusammenstecken aufgebracht wird. Dies kann zum Beispiel ein Schieber sein, der betätigt wird und auf die Druckfeder 5 wird wirkt, nachdem Steckverbinder und Gegensteckverbinder vollständig zusammengesteckt worden sind. Steckverbinder und Gegensteckverbinder können aber auch derart ausgebildet sein, dass sie zunächst ein Stück weit zusammengesteckt werden und dann durch einen Vorsprung oder dergleichen die Druckfeder 5 betätigt wird, wenn Steckverbinder und Gegensteckverbinder bis in ihre Endlage zusammengesteckt worden sind. Dabei ist es von besonderem Vorteil, dass der Gegenkontakt 10 zunächst nahezu ohne Reibung und folglich nahezu ohne Kraftaufwand in das Kontaktgehäuse 4 eingeschoben (eingesteckt) wird und erst dann die Kontaktierungskraft (Kraft von aussen, Andruckkraft) über die Druckfeder 5 wie vorstehend beschrieben aufgebracht wird, wenn sich der Gegenkontakt 10 in seiner Endlage in dem Kontaktgehäuse 4 befindet.For the function of the finished connector, it is important that a force is exerted on the compression spring 5, wherein this force acts on the counter-contact 10 via the compression spring 5 and the contact housing 4. This causes an increased pressure force between the electrically conductive parts of connector and mating connector to be contacted with each other, namely the contact housing 4 of the connector with the mating contact 10 of the mating connector. This force is applied during assembly of connector and mating connector or thereafter, with the housings and other elements of connector and mating connector configured to apply force during mating. This may be, for example, a slider which is actuated and acts on the compression spring 5 after plug connectors and mating connectors have been completely mated together. But connectors and mating connectors can also be designed so that they are initially plugged together a piece and then the compression spring 5 is actuated by a projection or the like when plug connectors and mating connectors have been plugged into their final position. It is of particular advantage that the mating contact 10 is first inserted (plugged) almost without friction and therefore almost no effort in the contact housing 4 and only then the contacting force (external force, pressure force) is applied via the compression spring 5 as described above when the mating contact 10 is in its end position in the contact housing 4.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1.1.
KontaktContact
2.Second
Kabelelectric wire
3.Third
elektrischer Leiterelectrical conductor
4.4th
KontaktgehäuseContact housing
5.5th
Druckfedercompression spring
6.6th
erste Fügestellefirst joint
7.7th
weitere Fügestellefurther joint
8.8th.
CrimpflügelCrimpflügel
9.9th
Dichtungpoetry
10.10th
Gegenkontaktcountercontact
11.11th
Federlaschespring shackle

Claims (10)

  1. Contact (1) for receiving a mating contact (10), wherein the contact (1) has a contact housing (4) which is arranged at one end of a cable (2) and with which an electrical conductor (3) of the cable (2) makes contact, wherein a compression spring (5) is provided, wherein the compression spring (5) is designed such that it acts on the contact housing (4) and, by means of at least one portion of the contact housing (4), on the mating contact (10), characterized in that the compression spring (5) is joined to the contact housing (4) at a first joining point (6), wherein the electrical conductor (3) is also joined to the contact housing (4) at a further joining point (7) which is at a distance from the first joining point (6).
  2. Contact (1) according to Claim 1, characterized in that the two joining points (6, 7) are located on the same side of the contact housing (4).
  3. Contact (1) according to Claim 1 or 2, characterized in that the contact housing (4) has at least one, preferably two, crimping wing(s) (8) which surround an outer casing of the cable (2).
  4. Contact (1) according to Claim 3, characterized in that the at least one crimping wing (8) fixes a seal (9), which is arranged on the outer casing of the cable (2), on the said outer casing.
  5. Contact (1) according to one of the preceding claims, characterized in that the end of the electrical conductor (3) is plated in the region of the second joining point (7).
  6. Contact (1) according to one of the preceding claims, characterized in that the contact housing (4) is designed as a socket box and is a stamped and bent part.
  7. Contact (1) according to one of the preceding claims, characterized in that one contact (1) or a plurality of contacts (1) is or are inserted into a plug connector housing and fixed in the said plug connector housing.
  8. Method for producing a contact (1) according to one of the preceding claims, characterized in that the compression spring (5) is joined to the contact housing (4) at a first joining point (6), and the electrical conductor (3) is joined to the contact housing (4) at a further joining point (7) which is at a distance from the first joining point (6).
  9. Method according to Claim 8, characterized in that the compression spring (5) is joined to the contact housing (4) and the electrical conductor (3) is joined to the contact housing (4) in the same working step or in two successive working steps.
  10. Method according to Claim 8 or 9, characterized in that, if the electrical conductor (3) is a round conductor, the end of the electrical conductor (3) is plated before being joined to the contact housing (4) or the joining process is designed such that, on account of the joining process being executed, the previously round electrical conductor (3) is then plated.
EP08011980.3A 2007-07-05 2008-07-03 Improved holding protective socket of a connector Active EP2012392B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007031402 2007-07-05

Publications (2)

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EP2012392A1 EP2012392A1 (en) 2009-01-07
EP2012392B1 true EP2012392B1 (en) 2013-05-29

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US (1) US7985104B2 (en)
EP (1) EP2012392B1 (en)
DE (1) DE102008031686A1 (en)

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DE102017113837B3 (en) * 2017-06-22 2018-03-29 Lisa Dräxlmaier GmbH METHOD FOR SEALING A JOINT AREA OF AN ELECTRICAL CONNECTION ASSEMBLY AND ELECTRICAL CONNECTION ASSEMBLY

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US20090170366A1 (en) 2009-07-02
US7985104B2 (en) 2011-07-26
EP2012392A1 (en) 2009-01-07
DE102008031686A1 (en) 2009-02-19

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