EP1744406B1 - Socket for making an electrical connection to a counter contact as well as a connector having such a socket - Google Patents

Socket for making an electrical connection to a counter contact as well as a connector having such a socket Download PDF

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Publication number
EP1744406B1
EP1744406B1 EP06113968A EP06113968A EP1744406B1 EP 1744406 B1 EP1744406 B1 EP 1744406B1 EP 06113968 A EP06113968 A EP 06113968A EP 06113968 A EP06113968 A EP 06113968A EP 1744406 B1 EP1744406 B1 EP 1744406B1
Authority
EP
European Patent Office
Prior art keywords
contact
socket
pin
sleeve
chamber
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.)
Not-in-force
Application number
EP06113968A
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German (de)
French (fr)
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EP1744406A1 (en
Inventor
Andreas Simmel
Eckhardt Philipp
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1744406A1 publication Critical patent/EP1744406A1/en
Application granted granted Critical
Publication of EP1744406B1 publication Critical patent/EP1744406B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/115—U-shaped sockets having inwardly bent legs, e.g. spade type

Definitions

  • Out EP-A-0 694 991 is a socket contact for electrical connection with a mating contact known.
  • the socket contact has a connection part for receiving an electrical conductor.
  • the recording of the electrical conductor is done by crimping.
  • the socket contact further has a mounting portion. At this a contact portion is pressed or welded.
  • the contact portion contains resilient contact arms for receiving a mating contact.
  • EP-A-1 130 697 is a socket contact known, composed of two sleeve-shaped parts which are locked together. It is on the one hand to a connection part for the permanent connection, such as a wire and on the other hand to a contact part for releasably contacting with a mating contact. In order to keep the manufacturing costs for the socket contact low, a gold plating is only partially executed and preferably limited to the contact part.
  • a plug is formed, for example, as a movable harness connector with female contact elements and a stationary mating connector with knife-shaped or pin-shaped mating contact elements. While the mating contact elements exposed from a contact carrier of the mating connector protrude, in contrast, the contact elements are concealed in receiving chambers of a contact carrier of the harness connector. Each contact element is associated with a receiving chamber and an electrical line of the wiring harness.
  • a seal of the lines is provided on the plug as one of several measures. This can be done by so-called Einzeladerabdichtitch, each line is wrapped within the associated receiving chamber of a sealing element.
  • these have the disadvantage that higher individual costs for the seals, a higher installation effort and a larger space associated therewith occur.
  • so-called collection mat seals are more cost-effective, with a collection mat seal covering all contact chambers of the contact carrier on the feed side of the contact elements.
  • the collecting mat For insertion of the contact elements in the receiving chambers, the collecting mat seal on the receiving chambers per an opening.
  • the diameter of each opening depends on the cross-sectional area of the contact element to be passed through and is dimensioned so that during the passage of the contact element, a reboundable expansion of the opening takes place.
  • each of the contact elements has a much larger cross-sectional area than the line connected to the contact element.
  • the elastic resilience of the openings in the collection mat seal can no longer completely return it to the plant on the lines and it may, caused by the bush-like design of the contacts, to sealing problems on the connector.
  • the socket contact according to the invention with the characterizing features of claim 1 has the advantage that the aforementioned inadequacy is avoided.
  • the socket contact is divided into two parts, wherein the parts on both sides of a seal for the connector are mounted separately from each other and to bring about an electrical connector only the first part of the socket contact, which is in the form of a contact pin with a small cross-sectional area passes through the seal.
  • the core idea of the invention is, instead of a socket contact, which has a contact, the knife or post-like formations evert, to strike a slender, rigid and knife-like contact pin to the electrical line and introduce it into the contact chamber of a connector such that he comes to lie in the paired state with the mating connector next to the knife or post-like contact pin of the mating connector and so performs the necessary contact and provides the necessary contact normal force.
  • the socket contact is essentially divided into two parts and the parts are mounted separately from each other in a contact chamber of a plug, wherein the first part is formed like a knife knife in the form of a contact pin. It comprises a connection part to which an electrical line can be struck and a contact part, which in the inserted state makes contact with a contact pin of the mating contact.
  • the second part is designed as a contact sleeve which comprises a contact pressure for pressing the contact pin against the contact pin inserted in the socket contact.
  • a contact chamber which consists of a contact carrier lower part with a cavity for receiving the contact sleeve and a contact carrier shell, wherein the bore is dimensioned smaller within the contact carrier part in diameter than the diameter of the cavity of the contact carrier lower part and a pressure plate, wherein within the contact chamber the socket contact according to the invention can be arranged.
  • a connector which has the socket contact according to the invention within at least one contact chamber.
  • the socket contact according to the invention for receiving a contact pin of a mating contact which preferably has knife or post-like constructions, is arranged within a contact chamber.
  • the socket contact is provided to form the second part of the socket contact, namely the contact sleeve, preferably as a stamped part, wherein the stamped part is bent in a further process step to a sleeve, wherein preferably before the bending process, the contact sleeve comprehensive contact surface with the contact pin the mating connector corresponds in the inserted state, is to be processed accordingly.
  • the contact surface may be provided as a processing to gild the contact surface to ensure better electrical conductivity or the contact surface is to be machined so that friction welds caused by vibrations acting on the electrical connector can be avoided.
  • the contact sleeve has so-called insertion and counterbreaks, which are formed by single or multiple bending or folding be so that the contact sleeve is inserted into the contact chamber and disposed within the contact chamber with virtually no play.
  • the contact sleeve has a latching element which is designed such that this latching element is latched to the first part of the socket contact, namely the contact pin, in the mounted state within a contact chamber.
  • this latching element is latched to the first part of the socket contact, namely the contact pin, in the mounted state within a contact chamber.
  • the free end of the contact pin engages with inserted contact pin within the contact chamber in a recess in the contact sleeve and locked there.
  • a bore is provided within the contact chamber, which corresponds to the region of the latch, such that a pin-like design can be introduced into this bore and the latched two parts separated from each other, so that when disassembling the contact sleeve of the contact pin can be disconnected again.
  • the contact pin is preferably formed like a lance. It is divided into a first area, in the so-called connection part and the wider area, in the so-called contact part. At the connection part, an electrical conductor is preferably already struck before the assembly.
  • the contact pin itself is a stamped and bent part that can be produced in several individual steps. Preferably, the contact pin has no sharp edges, so that when loading, for example, the sealing mat is not damaged.
  • the contact sleeve of the socket contact primarily has the function as a latching element for the contact pin serve and on the other hand, the contact sleeve takes on the further task of providing the necessary contact normal force with the corresponding contact surface, which acts in the fully mated condition on the mating connector or the contact pin.
  • the contact chamber for the socket contact according to the invention is specially designed.
  • the contact chamber of the electrical connector has a cavity with a defined diameter.
  • the contact chamber comprises a contact opening into which a contact pin of a mating connector can penetrate.
  • the contact sleeve is inserted into the contact chamber in such a way that in the region of the contact opening, a latching can be done with the still to be inserted pin.
  • a contact carrier shell is placed on the contact chamber, said contact carrier shell has a smaller diameter than the actual contact chamber. The diameter is dimensioned such that only the contact pin with its connection part and the connected to the connecting part electrical line can be inserted.
  • the cavity in which the contact sleeve is arranged is partially closed, so that the contact sleeve inside the contact chamber can not be moved out.
  • a seal can be arranged whose diameter is again smaller than the diameter of the opening of the contact carrier upper part. This is a fluid-tight seal created the contact chamber with respect to the external environment of the connector.
  • a pressure plate presses the seal against the contact carrier upper part or the contact carrier upper part against the actual contact chamber.
  • the inventive design of the contact chamber has the advantage that so-called collection mat seals can be applied instead of single seals, wherein a single seal has a plurality of openings, which in each case seal the openings to the contact chambers.
  • the pressure plate may be formed such that a single pressure plate is provided which presses in terms of area the collection mat seals on the preferably also integrally formed contact carrier upper part. The prepared in this way connector is available after mounting the contact sleeve and the contact carrier shell for applying a collection mat seal and the pressure plate.
  • the pad can, if necessary, within the contact chamber simply replaced and replaced without opening the previously described connector design.
  • FIG. 1 is a contact pin 2 of a socket contact 1 according to the invention, as in FIG. 8 shown.
  • the contact pin 2 has two areas, namely a connection part 3, to which an electrical line 4 is struck, preferably crimped.
  • the contact pin 2 has a contact part 5, which is provided with a in FIG. 8 shown contact pin 6 of a mating contact, not shown corresponds.
  • the contact part 5 has a contact surface 7, which, as in FIG. 2 represented, preferably embossed and preferably also gold-plated.
  • the contact pin 2, shown in the Figures 1 and 2 is formed like a knife in the embodiment shown here and has at its the connecting part 3 remote from the free end 8 a locking element 9. This locking element 9 is designed as a latching window 10, with the in the FIGS. 3 to 9 shown contact sleeves 11 cooperates.
  • the contact surface 7 is preferably formed as a dome, wherein the elevated part of the dome on the side of the inserted contact pin 6 (according FIG. 8 ).
  • the further part of the socket contact 1 according to the invention consists of the contact sleeve 11, as in Figure 3A-F is shown. From a stamped part, as shown in the illustration A, by bending processes, the in FIG. 3 , Illustration F shown Contact sleeve 11 created.
  • the contact surface 7 as well as import counterbores 13 as well as the preliminary stage of a latching element 14 are already shown.
  • the contact surface 7 is preferably gold plated.
  • the counter-tabs 13 are bent according to the method step according to illustration B and yield spacers 13 '.
  • the locking element 14 is also formed by bending and folding processes according to the representations B and C.
  • the contact sleeve 11 shown in Figure 3 F wherein the contact sleeve 11 has a contact opening 15 and the contact pressure shown in cross-section 16, which projects into the free space 17 of the contact sleeve 11 inside.
  • the latching element 14 ' is formed, which should correspond in the assembled state with the latching window 10 of the contact pin 2.
  • the contact carrier lower part 19 has a contact opening 21, which corresponds to the contact opening 15 of the contact sleeve 11.
  • the contact sleeve 11 is dimensioned in its width such that it corresponds to almost a diameter 22 of a cavity 23 of the contact carrier lower part 19. After insertion of the contact sleeve 11 into the cavity 23 of the contact carrier lower part 19, a contact carrier upper part 24 in the direction of arrow 25 on the contact carrier lower part 19 attached ( Fig. 5 ).
  • the contact carrier upper part 24 has a continuous bore 26, wherein a diameter 27 of the bore 26 is dimensioned smaller than the diameter 22 of the cavity 23. Due to the fact that the diameter 27 of the bore 26 is smaller than the diameter 22 of the cavity 23, the once inserted contact sleeve 11 is fixed within the cavity 23 of the contact carrier lower part 19 of the contact chamber 18.
  • a seal 28 is placed on the contact carrier upper part 24, wherein additionally in the direction of arrow 29, a pressure plate 30 acts on the seal 28, on the contact carrier upper part 24 and thus on the contact carrier lower part 19.
  • the opening provided in the seal 28 is substantially smaller than the diameter 27 of the bore 28 and corresponds approximately to the diameter or is smaller than the diameter of the electrical line 4 of the contact pin second
  • FIG. 6 the assembled state of a contact chamber 18 with a part of the mounted socket contact, namely the part of the contact sleeve 11 is shown.
  • the in Figure 7A-F is shown in the according FIG. 6
  • Completely illustrated contact chamber 18 of the contact pin 2 already introduced with crimped electrical line 4, in the direction of arrow 31 through the pressure plate 30, through the seal 28 and also through the contact carrier upper part 24 in the filled with the contact sleeve 11 cavity 23.
  • the free end of the contact part 2 is latched to the latching element 14 '(FIG. Fig. 7F ), so a subelement 39 of the contact sleeve 11 is pivoted into a free space 32 additionally provided in the contact carrier lower part 19.
  • This free space is in turn connected to a bore 33 in connection, wherein the bore 33 terminates in the embodiment shown here in the region of the contact opening 21 of the contact chamber 18.
  • the locking lug 14 ' provided in the contact sleeve 11 engages in the latching window 10 of the contact pin 2.
  • the novel contact construction thus has the significant advantage that connectors having socket contacts can use a single seal extending across all openings.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

Socket contact is bipartite and the parts are separated from each other. The first part is formed in the form of contact pin (2) and a connector. Connector is attachable to an electric wire (4) and comprises a contact part (5). The second part is formed as contact sleeve and comprises the contact spring (16). Independent claims are also included for the following: (A) Contact chamber for admission of a socket contact; and (B) Plug connector for forming a plug connection with a counter contact.

Description

Die Erfindung geht aus von einem Buchsenkontakt zur Herstellung einer elektrischen Steckverbindung mit einem Gegenkontakt sowie einem Steckverbinder mit dem erfindungsgemäßen Buchsenkontakt. Ferner bezieht sich die Erfindung auf eine Kontaktkammer für einen Steckverbinder, der mit dem Buchsenkontakt ausgebildet ist und auf einen Steckverbinder mit dem erfindungsgemäßen Buchsenkontakt.The invention is based on a socket contact for producing an electrical plug connection with a mating contact and a plug connector with the socket contact according to the invention. Furthermore, the invention relates to a contact chamber for a connector which is formed with the socket contact and a connector with the socket contact according to the invention.

Stand der TechnikState of the art

Aus EP-A-0 694 991 ist ein Buchsenkontakt zur elektrischen Verbindung mit einem Gegenkontakt bekannt. Der Buchsenkontakt weist ein Anschlußteil zur Aufnahme eines elektrischen Leiters auf. Die Aufnahme des elektrischen Leiters erfolgt durch Crimpung. Der Buchsenkontakt weist des weiteren einen Befestigungsabschnitt auf. An diesem ist ein Kontaktabschnitt aufgepresst oder angeschweißt. Der Kontaktabschnitt enthält ausfederungsfähige Kontaktarme zur Aufnahme eines Gegenkontakts. Für eine optimale Funktion des Buchsenkontakts bestehen das Anschlußteil mit dem Befestigungsabschnitt einerseits und der Kontaktabschnitt andererseits aus unterschiedlichen Materialien.Out EP-A-0 694 991 is a socket contact for electrical connection with a mating contact known. The socket contact has a connection part for receiving an electrical conductor. The recording of the electrical conductor is done by crimping. The socket contact further has a mounting portion. At this a contact portion is pressed or welded. The contact portion contains resilient contact arms for receiving a mating contact. For optimum operation of the socket contact, the connection part with the attachment portion on the one hand and the contact portion on the other hand made of different materials.

Aus EP-A-1 130 697 ist ein Buchsenkontakt bekannt, der aus zwei hülsenförmigen Teilen, die miteinander verrastbar sind, zusammengesetzt. Es handelt sich einerseits um ein Anschlußteil für den permanenten Anschluß, beispielsweise eines Drahtes und andererseits um ein Kontaktteil zum lösbaren Kontaktieren mit einem Gegenkontakt.
Um die Herstellkosten für den Buchsenkontakt niedrig zu halten, ist eine Goldplatierung nur partiell ausgeführt und vorzugsweise auf das Kontaktteil beschränkt.Out EP-A-1 130 697 is a socket contact known, composed of two sleeve-shaped parts which are locked together. It is on the one hand to a connection part for the permanent connection, such as a wire and on the other hand to a contact part for releasably contacting with a mating contact.
In order to keep the manufacturing costs for the socket contact low, a gold plating is only partially executed and preferably limited to the contact part.

Aus EP-A-0 326 447 ist ein Buchsenkontakt bekannt, der aus drei, in der Grundform jeweils zylindrischen Teilen besteht. Dies ist zum einen ein fester Kontaktkörper, ein daran durch eine Schnappverbindung fixierbares Federglied und ein Hülsenglied, das teleskopartig über dem Federglied angeordnet ist. Das Federglied weist an einem hinteren Ende eine Vielzahl von Laschen oder Ansätzen auf, die eine Axialbewegung des Federgliedes nach dessen Fügung mit dem Kontaktkörper verhindern. Ein Aufspreizen der Laschen wird durch das Hülsenglied nach dessen Aufschieben auf das Federglied unterbunden.Out EP-A-0 326 447 is a socket contact known, consisting of three, in the basic form each cylindrical parts. This is, on the one hand, a fixed contact body, a spring element which can be fixed thereto by a snap connection, and a sleeve member which is arranged telescopically above the spring element. The spring member has at a rear end a plurality of tabs or lugs, which prevent axial movement of the spring member after its addition to the contact body. Spreading the tabs is prevented by the sleeve member after its sliding onto the spring member.

Kontaktsysteme in der Ausbildung von Steckverbindungen sind insbesondere im Automobilbereich bekannt, wobei ein Stecker beispielsweise als beweglicher Kabelbaumstecker mit buchsenartigen Kontaktelementen und ein ortsfester Gegenstecker mit messer- oder stiftförmigen Gegenkontaktelementen ausgebildet ist. Während die Gegenkontaktelemente freiliegend aus einem Kontaktträger des Gegensteckers herausragen, sind im Gegensatz hierzu die Kontaktelemente in Aufnahmekammern eines Kontaktträgers des Kabelbaumsteckers verdeckt gelagert. Jedem Kontaktelement ist eine Aufnahmekammer und eine elektrische Leitung des Kabelbaumes zugeordnet.Contact systems in the design of connectors are known in particular in the automotive sector, wherein a plug is formed, for example, as a movable harness connector with female contact elements and a stationary mating connector with knife-shaped or pin-shaped mating contact elements. While the mating contact elements exposed from a contact carrier of the mating connector protrude, in contrast, the contact elements are concealed in receiving chambers of a contact carrier of the harness connector. Each contact element is associated with a receiving chamber and an electrical line of the wiring harness.

Um die Steckverbindung insbesondere gegenüber Wassereintritt zu schützen, ist als eine von mehreren Maßnahmen eine Abdichtung der Leitungen am Stecker vorgesehen. Dies kann durch sogenannte Einzeladerabdichtungen vorgenommen werden, wobei jede Leitung innerhalb der zugeordneten Aufnahmekammer von einem Dichtelement umhüllt ist. Diese haben jedoch den Nachteil, dass höhere Einzelkosten für die Dichtungen, ein höherer Montageaufwand und ein damit verbundener größerer Bauraum auftreten.
Kostengünstiger sind demgegenüber sogenannte Sammelmattendichungen, wobei eine Sammelmattendichtung alle Kontaktkammern des Kontaktträgers auf der Zuführseite der Kontaktelemente abdeckt.In order to protect the connector in particular against ingress of water, a seal of the lines is provided on the plug as one of several measures. This can be done by so-called Einzeladerabdichtungen, each line is wrapped within the associated receiving chamber of a sealing element. However, these have the disadvantage that higher individual costs for the seals, a higher installation effort and a larger space associated therewith occur.
In contrast, so-called collection mat seals are more cost-effective, with a collection mat seal covering all contact chambers of the contact carrier on the feed side of the contact elements.

Zum Einführen der Kontaktelemente in die Aufnahmekammern weist die Sammelmattendichtung über den Aufnahmekammern je eine Öffnung auf. Der Durchmesser einer jeden Öffnung richtet sich nach der Querschnittsfläche des hindurchzuführenden Kontaktelements und ist so bemessen, dass während der Durchführung des Kontaktelements eine rückfederungsfähige Aufweitung der Öffnung stattfindet.For insertion of the contact elements in the receiving chambers, the collecting mat seal on the receiving chambers per an opening. The diameter of each opening depends on the cross-sectional area of the contact element to be passed through and is dimensioned so that during the passage of the contact element, a reboundable expansion of the opening takes place.

Sind die Kontaktelemente des Steckers buchsenartig, so weist jedes der Kontaktelemente eine viel größere Querschnittsfläche auf als die an dem Kontaktelement angeschlagene Leitung. Nach der Durchführung der Kontaktelemente durch die Sammelmattendichtung zur Lagerung der Kontaktelemente in den Aufnahmekammern liegen nun die nur eine geringe Querschnittsfläche aufweisenden Leitungen innerhalb der großen Öffnungen in der Sammelmattendichtung, die auf die signifikant größere Querschnittsfläche der Kontaktelemente ausgelegt wurden.If the contact elements of the plug are socket-like, each of the contact elements has a much larger cross-sectional area than the line connected to the contact element. After the contact elements have been passed through the collecting mat seal for the purpose of supporting the contact elements in the receiving chambers, the lines, which have only a small cross-sectional area, lie within the large openings in the collecting mat seal, which were designed for the significantly larger cross-sectional area of the contact elements.

In ungünstigen Fällen kann die elastische Rückfederung der Öffnungen in der Sammelmattendichtung diese nicht mehr vollständig bis zur Anlage an den Leitungen rückführen und es kann, hervorgerufen durch die buchsenartige Ausbildung der Kontakte, zu Abdichtungsproblemen an der Steckverbindung kommen.In unfavorable cases, the elastic resilience of the openings in the collection mat seal can no longer completely return it to the plant on the lines and it may, caused by the bush-like design of the contacts, to sealing problems on the connector.

Der erfindungsgemäße Buchsenkontakt mit den kennzeichnenden Merkmalen des Anspruchs 1 hat demgegenüber den Vorteil, dass die zuvor erwähnte Unzulänglichkeit vermieden wird. Dazu ist der Buchsenkontakt zweigeteilt, wobei die Teile beidseits einer Dichtung für die Steckverbindung getrennt voneinander montierbar sind und zur Herbeiführung einer elektrischen Steckverbindung nur der erste Teil des Buchsenkontakts, der in Form eines Kontaktstiftes mit geringer Querschnittsfläche ausgebildet ist, durch die Dichtung hindurchtritt.The socket contact according to the invention with the characterizing features of claim 1 has the advantage that the aforementioned inadequacy is avoided. For this purpose, the socket contact is divided into two parts, wherein the parts on both sides of a seal for the connector are mounted separately from each other and to bring about an electrical connector only the first part of the socket contact, which is in the form of a contact pin with a small cross-sectional area passes through the seal.

Damit ist an dessen Durchtrittsstelle in der Dichtung nur eine Öffnung mit geringer Querschnittsfläche erforderlich, so dass wegen der nur geringfügig kleinere Querschnittsfläche der an dem Kontaktstift angeschlagenen Leitung der verbleibenden Unterschied in der Querschnittsfläche bis zur Anlage der Dichtung an der Leitung durch die elastische Rückfederung der Dichtung ausgleichbar ist. Somit ist die Dichtheit der Steckverbindung in diesem Bereich duch die Zweiteilung des Buchsenkontakts gegeben.Thus, only an opening with a small cross-sectional area is required at the passage point in the seal, so that because of the only slightly smaller cross-sectional area of the posted on the contact pin line of the remaining difference in cross-sectional area to the system of the seal on the line by the elastic resilience of the seal is compensable. Thus, the tightness of the connector is given in this area duch the division of the socket contact.

In den auf einen Buchsenkontakt rückbezogenen Unteransprüche sind vorteilhafte Maßnahmen für die Realisierung der Erfindung angegeben.In the dependent on a female contact subclaims advantageous measures for the realization of the invention are given.

Kerngedanke der Erfindung ist es, anstelle eines Buchsenkontaktes, der sich über einen Kontakt, der messer- oder pfostenartige Ausbildungen aufweist, stülpt, einen schlanken, starren und messerähnlichen Kontaktstift an die elektrische Leitung anzuschlagen und diesen in die Kontaktkammer eines Steckers derart einzuführen, dass er im gepaarten Zustand mit dem Gegenstecker neben dem messer- oder pfostenartig ausgebildeten Kontaktpin des Gegensteckers zu liegen kommt und so die notwendige Kontaktierung ausführt und die notwendige Kontaktnormalkraft bereitstellt.The core idea of the invention is, instead of a socket contact, which has a contact, the knife or post-like formations evert, to strike a slender, rigid and knife-like contact pin to the electrical line and introduce it into the contact chamber of a connector such that he comes to lie in the paired state with the mating connector next to the knife or post-like contact pin of the mating connector and so performs the necessary contact and provides the necessary contact normal force.

Erfindungsgemäß wird deshalb vorgeschlagen, dass der Buchsenkontakt im Wesentlichen zweigeteilt ist und die Teile getrennt voneinander in einer Kontaktkammer eines Steckers montierbar sind, Dabei ist der erste Teil messerähnlich in der Form eines Kontaktstifts ausgebildet. Es umfasst ein Anschlussteil, an das eine elektrische Leitung anschlagbar ist und ein Kontaktteil, das im gesteckten Zustand mit einem Kontaktpin des Gegenkontakts kontaktiert, umfasst. Der zweite Teil ist als Kontakthülse ausgebildet, der eine Anpressfeder zum Anpressen des Kontaktstifts an den in den Buchsenkontakt eingeführten Kontaktpin umfasst.According to the invention it is therefore proposed that the socket contact is essentially divided into two parts and the parts are mounted separately from each other in a contact chamber of a plug, wherein the first part is formed like a knife knife in the form of a contact pin. It comprises a connection part to which an electrical line can be struck and a contact part, which in the inserted state makes contact with a contact pin of the mating contact. The second part is designed as a contact sleeve which comprises a contact pressure for pressing the contact pin against the contact pin inserted in the socket contact.

Ferner wird eine Kontaktkammer vorgeschlagen, die aus einem Kontaktträgerunterteil mit einem Hohlraum zur Aufnahme der Kontakthülse besteht sowie ein Kontaktträgeroberteil, bei dem die Bohrung innerhalb des Kontaktträgerteils im Durchmesser geringer bemessen ist als der Durchmesser des Hohlraums des Kontaktträgerunterteils sowie eine Andruckplatte, wobei innerhalb der Kontaktkammer der erfindungsgemäße Buchsenkontakt angeordnet werden kann.Further, a contact chamber is proposed, which consists of a contact carrier lower part with a cavity for receiving the contact sleeve and a contact carrier shell, wherein the bore is dimensioned smaller within the contact carrier part in diameter than the diameter of the cavity of the contact carrier lower part and a pressure plate, wherein within the contact chamber the socket contact according to the invention can be arranged.

Ferner wird ein Steckverbinder vorgeschlagen, der den erfindungsgemäßen Buchsenkontakt innerhalb mindestens einer Kontaktkammer aufweist.Furthermore, a connector is proposed which has the socket contact according to the invention within at least one contact chamber.

Der erfindungsgemäße Buchsenkontakt zur Aufnahme eines Kontaktpins eines Gegenkontakts, der vorzugsweise messer- oder pfostenartige Konstruktionen aufweist, ist innerhalb einer Kontaktkammer angeordnet. Zur Montage des Buchsenkontakts ist vorgesehen, den zweiten Teil des Buchsenkontakts, nämlich die Kontakthülse, vorzugsweise als Stanzteil auszubilden, wobei das Stanzteil in einem weiteren Verfahrensschritt zu einer Hülse gebogen wird, wobei vorzugsweise die vor dem Biegeprozess die Kontakthülse umfassende Kontaktfläche, die mit dem Kontaktpin des Gegensteckers im gesteckten Zustand korrespondiert, entsprechend zu bearbeiten ist.The socket contact according to the invention for receiving a contact pin of a mating contact, which preferably has knife or post-like constructions, is arranged within a contact chamber. For mounting the socket contact is provided to form the second part of the socket contact, namely the contact sleeve, preferably as a stamped part, wherein the stamped part is bent in a further process step to a sleeve, wherein preferably before the bending process, the contact sleeve comprehensive contact surface with the contact pin the mating connector corresponds in the inserted state, is to be processed accordingly.

Beispielsweise kann als Bearbeitung vorgesehen sein, die Kontaktfläche zu vergolden, um eine bessere elektrische Leitfähigkeit zu gewährleisten oder die Kontaktfläche ist derart zu bearbeiten, dass Reibschweißungen hervorgerufen durch Schwingungen, die auf den elektrischen Steckverbinder wirken, vermieden werden.For example, it may be provided as a processing to gild the contact surface to ensure better electrical conductivity or the contact surface is to be machined so that friction welds caused by vibrations acting on the electrical connector can be avoided.

Ferner weist die Kontakthülse sogenannte Einführ- und Widerlaschen auf, die durch Ein- oder Mehrfachbiegung bzw. Faltung gebildet werden, damit die Kontakthülse in die Kontaktkammer eingeführt und innerhalb der Kontaktkammer nahezu ohne Spiel angeordnet ist.Furthermore, the contact sleeve has so-called insertion and counterbreaks, which are formed by single or multiple bending or folding be so that the contact sleeve is inserted into the contact chamber and disposed within the contact chamber with virtually no play.

Ferner weist die Kontakthülse ein Rastelement auf, das derart ausgebildet ist, dass dieses Rastelement mit dem ersten Teil des Buchsenkontakts, nämlich dem Kontaktstift, im montierten Zustand innerhalb einer Kontaktkammer verrastet. Hierfür ist vorteilhafterweise vorgesehen, dass das freie Ende des Kontaktstifts bei eingestecktem Kontaktstift innerhalb der Kontaktkammer in eine Ausnehmung in der Kontakthülse eingreift und dort verrastet. Um diese Rastverbindung wieder zu lösen, ist innerhalb der Kontaktkammer eine Bohrung vorgesehen, die mit dem Bereich der Verrastung korrespondiert, derart, dass eine stiftartige Ausbildung in diese Bohrung eingeführt werden kann und die verrasteten beiden Teile voneinander trennt, so dass bei Demontage die Kontakthülse von dem Kontaktstift wieder getrennt werden kann.Furthermore, the contact sleeve has a latching element which is designed such that this latching element is latched to the first part of the socket contact, namely the contact pin, in the mounted state within a contact chamber. For this purpose, it is advantageously provided that the free end of the contact pin engages with inserted contact pin within the contact chamber in a recess in the contact sleeve and locked there. To solve this locking connection again, a bore is provided within the contact chamber, which corresponds to the region of the latch, such that a pin-like design can be introduced into this bore and the latched two parts separated from each other, so that when disassembling the contact sleeve of the contact pin can be disconnected again.

Der Kontaktstift ist vorzugsweise lanzenartig ausgebildet. Er teilt sich in einen ersten Bereich, in das so genannte Anschlussteil und den weiteren Bereich, in das so genannte Kontaktteil auf. An dem Anschlussteil ist vorzugsweise schon vor der Bestückung ein elektrischer Leiter angeschlagen. Der Kontaktstift selbst ist ein Stanz-Biegeteil, dass in mehrere einzelnen Schritten herstellbar ist. Vorzugsweise weist der Kontaktstift keine scharfen Kanten auf, so dass beim Bestücken beispielsweise die Dichtmatte nicht beschädigt wird.The contact pin is preferably formed like a lance. It is divided into a first area, in the so-called connection part and the wider area, in the so-called contact part. At the connection part, an electrical conductor is preferably already struck before the assembly. The contact pin itself is a stamped and bent part that can be produced in several individual steps. Preferably, the contact pin has no sharp edges, so that when loading, for example, the sealing mat is not damaged.

Somit weist die Kontakthülse des Buchsenkontaktes primär die Funktion auf, als Verrastungselement für den Kontaktstift zu dienen und andererseits übernimmt die Kontakthülse die weitere Aufgabe, die notwendige Kontaktnormalkraft mit der entsprechenden Kontaktfläche bereit zu stellen, die im vollständig gesteckten Zustand auf den Gegenstecker bzw. den Kontaktpin wirkt. Durch diese bereitgestellten Federkräfte des gesteckten Kontaktsystems, bestehend aus Buchsenkontakt und Kontaktpin, richten sich der Kontaktstift des Buchsenkontakts und die Kontakthülse an dem Kontaktpin aus.Thus, the contact sleeve of the socket contact primarily has the function as a latching element for the contact pin serve and on the other hand, the contact sleeve takes on the further task of providing the necessary contact normal force with the corresponding contact surface, which acts in the fully mated condition on the mating connector or the contact pin. By these provided spring forces of the inserted contact system, consisting of female contact and contact pin, the contact pin of the socket contact and the contact sleeve align with the contact pin.

Vorteilhafterweise ist die Kontaktkammer für den erfindungsgemäßen Buchsenkontakt speziell ausgebildet. Die Kontaktkammer des elektrischen Steckverbinders weist einen Hohlraum mit einem definierten Durchmesser auf. Zudem umfasst die Kontaktkammer eine Kontaktöffnung, in die ein Kontaktpin eines Gegensteckers eindringen kann. Zur Montage ist vorgesehen, dass die Kontakthülse in die Kontaktkammer eingeführt wird und zwar derart, dass im Bereich der Kontaktöffnung eine Verrastung mit dem noch einzufügenden Kontaktstift erfolgen kann. Zunächst wird ein Kontaktträgeroberteil auf die Kontaktkammer aufgesetzt, wobei dieses Kontaktträgeroberteil einen geringeren Durchmesser aufweist, als die eigentliche Kontaktkammer. Der Durchmesser ist derart bemessen, dass ausschließlich der Kontaktstift mit seinem Anschlussteil und der an dem Anschlussteil angeschlagenen elektrischen Leitung einführbar ist. Aufgrunddessen wird der Hohlraum, in dem die Kontakthülse angeordnet ist, teilweise verschlossen, so dass die Kontakthülse innerhalb der Kontaktkammer nicht mehr heraus bewegt werden kann. Unmittelbar nach Aufbringen des Kontaktträgeroberteils kann eine Dichtung angeordnet werden, deren Durchmesser wiederum geringer ist als der Durchmesser der Öffnung des Kontaktträgeroberteils. Damit wird eine fluiddichte Abdichtung der Kontaktkammer gegenüber der äußeren Umgebung des Steckverbinders geschaffen. Eine Andruckplatte presst die Dichtung an das Kontaktträgeroberteil bzw. das Kontaktträgeroberteil an die eigentliche Kontaktkammer. Nachdem der Steckverbinder in der vorliegenden Weise vormontiert ist, wird der Kontaktstift durch die Andruckplatte, durch die Dichtung und durch das Kontaktträgeroberteil in die Kontaktkammer eingeführt und verrastet dort mit der Kontakthülse.Advantageously, the contact chamber for the socket contact according to the invention is specially designed. The contact chamber of the electrical connector has a cavity with a defined diameter. In addition, the contact chamber comprises a contact opening into which a contact pin of a mating connector can penetrate. For mounting it is provided that the contact sleeve is inserted into the contact chamber in such a way that in the region of the contact opening, a latching can be done with the still to be inserted pin. First, a contact carrier shell is placed on the contact chamber, said contact carrier shell has a smaller diameter than the actual contact chamber. The diameter is dimensioned such that only the contact pin with its connection part and the connected to the connecting part electrical line can be inserted. Due to this, the cavity in which the contact sleeve is arranged is partially closed, so that the contact sleeve inside the contact chamber can not be moved out. Immediately after application of the contact carrier upper part, a seal can be arranged whose diameter is again smaller than the diameter of the opening of the contact carrier upper part. This is a fluid-tight seal created the contact chamber with respect to the external environment of the connector. A pressure plate presses the seal against the contact carrier upper part or the contact carrier upper part against the actual contact chamber. After the connector is preassembled in the present manner, the contact pin is inserted through the pressure plate, through the seal and through the contact carrier shell in the contact chamber and locked there with the contact sleeve.

Die erfindungsgemäße Ausbildung der Kontaktkammer bringt den Vorteil mit sich, dass anstelle von Einzeldichtungen sogenannte Sammelmattendichtungen aufgebracht werden können, wobei eine einzige Dichtung mehrere Öffnungen aufweist, die jeweils die Öffnungen zu den Kontaktkammern abdichten. Die Andruckplatte kann derart ausgebildet sein, dass eine einzige Andruckplatte vorgesehen ist, die flächenmäßig die Sammelmattendichtungen auf das vorzugsweise ebenfalls einteilig ausgebildete Kontaktträgeroberteil presst. Die auf diese Weise vorbereitete Steckverbindung steht nach Montage der Kontakthülse sowie des Kontaktträgeroberteils zur Aufbringung einer Sammelmattendichtung und der Andruckplatte bereit.The inventive design of the contact chamber has the advantage that so-called collection mat seals can be applied instead of single seals, wherein a single seal has a plurality of openings, which in each case seal the openings to the contact chambers. The pressure plate may be formed such that a single pressure plate is provided which presses in terms of area the collection mat seals on the preferably also integrally formed contact carrier upper part. The prepared in this way connector is available after mounting the contact sleeve and the contact carrier shell for applying a collection mat seal and the pressure plate.

Durch die Verwendung des schlanken Kontaktstiftes wird damit erstmals ein großer Querschnittssprung zwischen Kontaktteil und Anschlussteil bzw. den an das Anschlussteil angeordneten Leitungen vermieden, wodurch eine Möglichkeit geschaffen wird, eine einzige Dichtung für alle Kontaktkammern zu verwenden.By using the slender contact pin, a large jump in cross section between the contact part and the connection part or the lines arranged on the connection part is thereby avoided for the first time, thereby creating a possibility of using a single seal for all contact chambers.

Somit ist ein wesentlicher Vorteil der erfindungsgemäßen Ausgestaltung des Buchsenkontakts zusammen mit der erfindungsgemäßen Ausgestaltung der Kontaktkammer derart gegeben, dass eine sogenannte Sammelmattentauglichkeit auch für die Kontaktierung großer Kontaktpins als Gegenkontakte, beispielsweise in der messer- oder pfostenartigen Konstruktion sichergestellt ist. Ferner bringt die Konstruktion den Vorteil mit sich, dass ein sehr kleines Rastermaß zwischen den einzelnen Kontaktkammern erzielt werden kann und ein wesentlicher Vorteil ist durch die Erfindung gegeben, dass einfache und in Serie herstellbare und damit eine kostengünstige Gestaltung der Einzelkomponenten zugelassen wird.Thus, a significant advantage of the inventive design of the socket contact together with the invention Design of the contact chamber is given in such a way that a so-called collection mat compatibility is ensured even for contacting large contact pins as mating contacts, for example in the knife or post-like construction. Furthermore, the construction has the advantage that a very small pitch between the individual contact chambers can be achieved and a significant advantage is given by the invention that simple and producible in series and thus a cost-effective design of the individual components is allowed.

Aufgrund dessen, dass der Kontaktstift ausschließlich durch eine einfache, aber effiziente Verrastung innerhalb der Kontaktkammer gehalten ist und dass vorgesehen ist, dass auch der Kontaktstift wieder einfach aus der Verrastung entfernbar und damit aus der Kontaktkammer entnehmbar ist, kann die Kontaktstelle im Bedarfsfall innerhalb der Kontaktkammer einfach ausgetauscht und wieder ersetzt werden, ohne die zuvor beschriebene Konstruktion des Steckverbinders zu öffnen.Due to the fact that the contact pin is held only by a simple, but efficient latching within the contact chamber and that it is provided that the contact pin is simply removable from the latch and thus removed from the contact chamber, the pad can, if necessary, within the contact chamber simply replaced and replaced without opening the previously described connector design.

Weitere vorteilhafte Ausgestaltungen gehen aus der nachfolgenden Beschreibung, den Zeichnungen sowie den Ansprüchen hervor.Further advantageous embodiments will become apparent from the following description, the drawings and the claims.

Zeichnungendrawings

Es zeigen:

Fig. 1
eine Seitenansicht auf den Kontaktstift des erfin-dungsgemäßen Buchsenkontakts;
Fig. 2
eine Draufsicht auf den Kontaktstift gemäß Fig. 1;
Fig. 3 A-E
eine schematische Darstellung des Herstellungsprozesses der Kontakthülse des Buchsenkontakts von einem gestanzten Bauteil zum zu montierenden Bauteil in eine Kontaktkammer;
Fig. 4
eine schematische Darstellung der Montage der in Fig. 3 dargestellten Kontakthülse in ein Kontaktträgerunterteil einer Kontaktkammer;
Fig. 5
eine schematische Darstellung der Montage der Kontaktkammer, bestehend aus Kontaktträgerunterteil, Kontaktträgeroberteil, Dichtung sowie Andruckplatte und der in dem Kontaktträgerunterteil angeordneten Kontakthülse;
Fig. 6
schematische Darstellung eines montierten Zustands der Kontaktkammer eines Steckkontakts gemäß dem Herstellungsvorgang von Fig. 4 und Fig. 5;
Fig. 7 A-F
ein Montageablaufplan des Buchsenkontakts, insbesondere der Montage des Kontaktstifts des Buchsenkontakts in die gemäß Fig. 6 bereits hergestellte Kontaktkammer;
Fig. 8 A-D
eine schematische Darstellung des Einführens eines Gegenkontakts in der Ausbildung eines Kontaktpins in den erfindungsgemäßen Buchsenkontakt, der innerhalb einer Kontaktkammer angeordnet ist;
Fig. 9 A-H
eine schematische Darstellung eines Ablaufplans über das Entrasten des Kontaktstifts des Buchsenkontakts mit einem Hilfsmittel und Herausnehmen des Kontaktstifts aus der Kontaktkammer.
Show it:
Fig. 1
a side view of the contact pin of the inventive socket contact;
Fig. 2
a plan view of the contact pin according to Fig. 1 ;
Fig. 3 AE
a schematic representation of the manufacturing process of the contact sleeve of the socket contact of a stamped component to be assembled component in a contact chamber;
Fig. 4
a schematic representation of the assembly of in Fig. 3 illustrated contact sleeve in a contact carrier lower part of a contact chamber;
Fig. 5
a schematic representation of the assembly of the contact chamber, consisting of contact carrier lower part, contact carrier upper part, seal and pressure plate and arranged in the contact carrier lower part contact sleeve;
Fig. 6
schematic representation of an assembled state of the contact chamber of a plug contact according to the manufacturing process of 4 and FIG. 5 ;
Fig. 7 AF
an installation plan of the socket contact, in particular the mounting of the contact pin of the socket contact in accordance with Fig. 6 already prepared contact chamber;
Fig. 8 AD
a schematic representation of the insertion of a mating contact in the formation of a contact pin in the socket contact according to the invention, which is arranged within a contact chamber;
Fig. 9 AH
a schematic representation of a flowchart on the unlatching of the contact pin of the socket contact with an aid and removing the contact pin from the contact chamber.

Beschreibung eines AusführungsbeispielsDescription of an embodiment

In Figur 1 ist ein Kontaktstift 2 eines erfindungsgemäßen Buchsenkontakts 1, wie in Figur 8 gezeigt. Der Kontaktstift 2 weist zwei Bereiche auf, nämlich ein Anschlussteil 3, an den eine elektrische Leitung 4 angeschlagen, vorzugsweise gecrimpt ist. Ferner weist der Kontaktstift 2 ein Kontaktteil 5 auf, der mit einem in Figur 8 dargestellten Kontaktpin 6 eines nicht näher dargestellten Gegenkontakts korrespondiert. Der Kontaktteil 5 weist eine Kontaktfläche 7 auf, die, wie in Figur 2 dargestellt, vorzugsweise angeprägt ist und vorzugsweise auch vergoldet ist. Der Kontaktstift 2, dargestellt in den Figuren 1 und 2, ist bei dem hier dargestellten Ausführungsbeispiel messerartig ausgebildet und weist an seinem dem Anschlussteil 3 abgewandten freien Ende 8 ein Rastelement 9 auf. Dieses Rastelement 9 ist als Rastfenster 10 ausgebildet, das mit den in den Figuren 3 bis 9 dargestellten Kontakthülsen 11 zusammenwirkt. Die Kontaktfläche 7 ist vorzugsweise als Kuppe ausgebildet, wobei der erhöhte Teil der Kuppe auf die Seite des einzuführenden Kontaktpins 6 (gemäß Figur 8) hinweist.In FIG. 1 is a contact pin 2 of a socket contact 1 according to the invention, as in FIG. 8 shown. The contact pin 2 has two areas, namely a connection part 3, to which an electrical line 4 is struck, preferably crimped. Furthermore, the contact pin 2 has a contact part 5, which is provided with a in FIG. 8 shown contact pin 6 of a mating contact, not shown corresponds. The contact part 5 has a contact surface 7, which, as in FIG. 2 represented, preferably embossed and preferably also gold-plated. The contact pin 2, shown in the Figures 1 and 2 is formed like a knife in the embodiment shown here and has at its the connecting part 3 remote from the free end 8 a locking element 9. This locking element 9 is designed as a latching window 10, with the in the FIGS. 3 to 9 shown contact sleeves 11 cooperates. The contact surface 7 is preferably formed as a dome, wherein the elevated part of the dome on the side of the inserted contact pin 6 (according FIG. 8 ).

Der weitere Teil des erfindungsgemäßen Buchsenkontakts 1 besteht aus der Kontakthülse 11, wie sie in Figur 3A-F dargestellt ist. Aus einem Stanzteil, wie es in der Darstellung A gezeigt ist, wird durch Biegeprozesse die in Figur 3, Darstellung F dargestellte Kontakthülse 11 erstellt. Im Verfahrensschritt gemäß Darstellung A, der die Kontakthülse 11 unmittelbar nach dem Stanzvorgang zeigt, sind bereits die Kontaktfläche 7 sowie Einfuhrwiderlaschen 13 als auch die Vorstufe eines Rastelements 14 gezeigt. Die Kontaktfläche 7 wird vorzugsweise vergoldet. Die Widerlaschen 13 werden gemäß Verfahrensschritt gemäß Darstellung B gebogen und ergeben Abstandselemente 13'. Das Rastelement 14 wird ebenfalls durch Biege- und Faltprozesse entsprechend den Darstellungen B und C ausgebildet. Durch mehrfache Biege- und Faltprozesse entsteht die in Darstellung 3 F dargestellte Kontakthülse 11, wobei die Kontakthülse 11 eine Kontaktöffnung 15 aufweist und die im Querschnitt dargestellte Anpressfeder 16, die in den freien Raum 17 der Kontakthülse 11 hinein ragt. Im Bereich der Kontaktöffnung 15 ist das Rastelement 14' ausgebildet, das in montiertem Zustand mit dem Rastfenster 10 des Kontaktstifts 2 korrespondieren soll.The further part of the socket contact 1 according to the invention consists of the contact sleeve 11, as in Figure 3A-F is shown. From a stamped part, as shown in the illustration A, by bending processes, the in FIG. 3 , Illustration F shown Contact sleeve 11 created. In the process step according to illustration A, which shows the contact sleeve 11 immediately after the punching process, the contact surface 7 as well as import counterbores 13 as well as the preliminary stage of a latching element 14 are already shown. The contact surface 7 is preferably gold plated. The counter-tabs 13 are bent according to the method step according to illustration B and yield spacers 13 '. The locking element 14 is also formed by bending and folding processes according to the representations B and C. By multiple bending and folding processes, the contact sleeve 11 shown in Figure 3 F, wherein the contact sleeve 11 has a contact opening 15 and the contact pressure shown in cross-section 16, which projects into the free space 17 of the contact sleeve 11 inside. In the region of the contact opening 15, the latching element 14 'is formed, which should correspond in the assembled state with the latching window 10 of the contact pin 2.

Die Abstandshalter 13' dienen dazu, die in Figur 4 dargestellte Kontakthülse 11 in eine Kontaktkammer 18 eines nicht dargestellten Steckergehäuses, insbesondere in ein Kontaktträgerunterteil 19 der Kontaktkammer 18 in Pfeilrichtung 20 einzuführen. Das Kontaktträgerunterteil 19 weist eine Kontaktöffnung 21 auf, die mit der Kontaktöffnung 15 der Kontakthülse 11 korrespondiert. Die Kontakthülse 11 ist in ihrer Breite derart bemessen, dass diese nahezu einem Durchmesser 22 eines Hohlraums 23 des Kontaktträgerunterteils 19 entspricht. Nach dem Einführen der Kontakthülse 11 in den Hohlraum 23 des Kontaktträgerunterteils 19 wird ein Kontaktträgeroberteil 24 in Pfeilrichtung 25 auf das Kontaktträgerunterteil 19 aufgesetzt (Fig. 5). Das Kontaktträgeroberteil 24 weist eine durchgängige Bohrung 26 auf, wobei ein Durchmesser 27 der Bohrung 26 geringer bemessen ist, als der Durchmesser 22 des Hohlraums 23. Aufgrund dessen, dass der Durchmesser 27 der Bohrung 26 geringer ist, als der Durchmesser 22 des Hohlraums 23, bleibt die einmal eingeführte Kontakthülse 11 innerhalb des Hohlraums 23 des Kontaktträgerunterteils 19 der Kontaktkammer 18 fixiert.The spacers 13 'are used in the FIG. 4 shown contact sleeve 11 into a contact chamber 18 of a plug housing, not shown, in particular in a contact carrier lower part 19 of the contact chamber 18 in the direction of arrow 20 introduce. The contact carrier lower part 19 has a contact opening 21, which corresponds to the contact opening 15 of the contact sleeve 11. The contact sleeve 11 is dimensioned in its width such that it corresponds to almost a diameter 22 of a cavity 23 of the contact carrier lower part 19. After insertion of the contact sleeve 11 into the cavity 23 of the contact carrier lower part 19, a contact carrier upper part 24 in the direction of arrow 25 on the contact carrier lower part 19 attached ( Fig. 5 ). The contact carrier upper part 24 has a continuous bore 26, wherein a diameter 27 of the bore 26 is dimensioned smaller than the diameter 22 of the cavity 23. Due to the fact that the diameter 27 of the bore 26 is smaller than the diameter 22 of the cavity 23, the once inserted contact sleeve 11 is fixed within the cavity 23 of the contact carrier lower part 19 of the contact chamber 18.

Unmittelbar nach dem Aufsetzen des Kontaktträgeroberteils 24 auf das Kontaktträgerunterteil 19 wird auf das Kontaktträgeroberteil 24 eine Dichtung 28 aufgesetzt, wobei zusätzlich in Pfeilrichtung 29 eine Andruckplatte 30 auf die Dichtung 28, auf das Kontaktträgeroberteil 24 und damit auf das Kontaktträgerunterteil 19 wirkt. Die in der Dichtung 28 vorgesehene Öffnung ist wesentlich geringer als der Durchmesser 27 der Bohrung 28 und entspricht ungefähr dem Durchmesser oder ist geringer als der Durchmesser der elektrischen Leitung 4 des Kontaktstiftes 2.Immediately after placing the contact carrier upper part 24 on the contact carrier lower part 19, a seal 28 is placed on the contact carrier upper part 24, wherein additionally in the direction of arrow 29, a pressure plate 30 acts on the seal 28, on the contact carrier upper part 24 and thus on the contact carrier lower part 19. The opening provided in the seal 28 is substantially smaller than the diameter 27 of the bore 28 and corresponds approximately to the diameter or is smaller than the diameter of the electrical line 4 of the contact pin second

In Figur 6 ist der montierte Zustand einer Kontaktkammer 18 mit einem Teil des montierten Buchsenkontakts, nämlich dem Teil der Kontakthülse 11 dargestellt. In einem anschließenden Fertigungsprozess, der in Figur 7A-F dargestellt ist, wird in die gemäß Figur 6 fertig dargestellte Kontaktkammer 18 der Kontaktstift 2, bereits mit gecrimpter elektrischer Leitung 4, in Pfeilrichtung 31 durch die Andruckplatte 30, durch die Dichtung 28 und auch durch das Kontaktträgeroberteil 24 in den mit der Kontakthülse 11 ausgefüllten Hohlraum 23 eingeführt. Das freie Ende des Kontaktteils 2 verrastet mit dem Rastelement 14' (Fig. 7F), so dass ein Teilelement 39 der Kontakthülse 11 in einen zusätzlich in dem Kontaktträgerunterteil 19 vorgesehenen freien Raum 32 verschwenkt. Dieser freie Raum steht wiederum mit einer Bohrung 33 in Verbindung, wobei die Bohrung 33 bei dem hier dargestellten Ausführungsbeispiel im Bereich der Kontaktöffnung 21 der Kontaktkammer 18 endet. Im verrasteten Zustand greift die in der Kontakthülse 11 vorgesehene Rastnase 14' in das Rastfenster 10 des Kontaktstifts 2 ein.In FIG. 6 the assembled state of a contact chamber 18 with a part of the mounted socket contact, namely the part of the contact sleeve 11 is shown. In a subsequent manufacturing process, the in Figure 7A-F is shown in the according FIG. 6 Completely illustrated contact chamber 18 of the contact pin 2, already introduced with crimped electrical line 4, in the direction of arrow 31 through the pressure plate 30, through the seal 28 and also through the contact carrier upper part 24 in the filled with the contact sleeve 11 cavity 23. The free end of the contact part 2 is latched to the latching element 14 '(FIG. Fig. 7F ), so a subelement 39 of the contact sleeve 11 is pivoted into a free space 32 additionally provided in the contact carrier lower part 19. This free space is in turn connected to a bore 33 in connection, wherein the bore 33 terminates in the embodiment shown here in the region of the contact opening 21 of the contact chamber 18. In the latched state, the locking lug 14 'provided in the contact sleeve 11 engages in the latching window 10 of the contact pin 2.

Zur Herstellung einer elektrischen Steckverbindung tritt gemäß Figur 8 der Kontaktpin 6 über die Kontaktöffnung 21 der Kontaktkammer 18 bzw. der Kontaktöffnung 15 der Kontakthülse 11 in Pfeilrichtung 38 in die Kontaktkammer 18 ein. Dabei gleitet die Oberfläche 34 des Kontaktpins 6 zunächst auf der Anpressfeder 16 derart, bis der Kontaktpin 6 soweit eingeführt ist, dass die Anpressfeder 16 den Kontaktpin 6 gegen die Kontaktfläche 7 des Kontaktstifts 2 drückt.To produce an electrical connector occurs in accordance FIG. 8 the contact pin 6 via the contact opening 21 of the contact chamber 18 and the contact opening 15 of the contact sleeve 11 in the direction of arrow 38 into the contact chamber 18 a. In this case, the surface 34 of the contact pins 6 first slides on the pressure spring 16 until the contact pin 6 is inserted so far that the pressure spring 16 presses the contact pin 6 against the contact surface 7 of the contact pin 2.

Damit ist eine elektrische Verbindung zwischen dem Kontaktpin 6 und dem Kontaktstift 2 hergestellt, wobei die Kontaktnormalkraft F durch die Anpressfeder 16 in Richtung der Kontaktfläche 7 des Kontaktstifts 2 erzeugt wird.In order for an electrical connection between the contact pin 6 and the contact pin 2 is made, wherein the contact normal force F is generated by the contact pressure spring 16 in the direction of the contact surface 7 of the contact pin 2.

In den Figuren 9A-H ist eine Entfernung des Kontaktstifts 2 aus der Verrastung mit der Kontakthülse 11 gezeigt. Durch Einführung eines Hilfsmittels 35 in Pfeilrichtung 36 über die zusätzliche Bohrung 33, die in dem Kontaktunterteil 19 vorgesehen ist, wird das in den freien Raum 32 abstehende Teilelement 39 der Kontakthülse 11 weiter in den freien Raum 32 gebogen, so dass die Rastnase 14' aus dem Rastfenster 10 des Kontaktstifts 2 heraustritt (bis Darstellung D) und damit den Kontaktstift 2 in Pfeilrichtung 37 freigibt. Aufgrund dessen, dass der Kontaktstift 2 messerartig ausgebildet ist, ist es möglich, diesen auch durch den geringeren Durchmesser 27 der Bohrung 26 des Kontaktträgeroberteils 24 sowie durch die Dichtung 28 und die Andruckplatte 30 herauszuziehen.In the Figures 9A-H a distance of the contact pin 2 from the latching with the contact sleeve 11 is shown. By introducing an auxiliary means 35 in the direction of arrow 36 via the additional bore 33 which is provided in the contact base 19, projecting into the free space 32 sub-element 39 of the contact sleeve 11 is further bent into the free space 32, so that the locking lug 14 'from the latching window 10 of the contact pin 2 emerges (Until representation D) and thus the contact pin 2 in the direction of arrow 37 releases. Due to the fact that the contact pin 2 is formed like a knife, it is possible to extract this also by the smaller diameter 27 of the bore 26 of the contact carrier upper part 24 and by the seal 28 and the pressure plate 30.

Die neuartige Kontaktkonstruktion bringt somit den wesentlichen Vorteil mit, dass Steckverbinder, die Buchsenkontakte aufweisen, eine einzige, über alle Öffnungen sich erstreckende Dichtung verwenden können. Zudem ist es nicht mehr notwendig, den Buchsenkontakt derart auszubilden, dass dieser den gesamten Umfang des Kontaktpins überdeckt, so dass auch ein kleineres Rastmaß (Abstand der einzelnen Kontaktkammern untereinander) innerhalb eines Steckverbinders erzielt werden kann.The novel contact construction thus has the significant advantage that connectors having socket contacts can use a single seal extending across all openings. In addition, it is no longer necessary to form the socket contact in such a way that it covers the entire circumference of the contact pin, so that a smaller locking measure (distance of the individual contact chambers from each other) within a connector can be achieved.

Claims (9)

  1. Socket contact for establishing an electrical plug connection with a mating contact, which socket contact (1) has a connection part (3) for receiving an electric line (4), a contact part (5) and a compression spring (16) for establishing an electrical connection with the mating contact (6), characterized in that the socket contact (1) is divided into two and the parts (2, 11) can be mounted separately from one another on either side of a seal (28) for the plug connection, wherein the first part (2) is designed in the form of a contact pin (2) for passage through the seal (28) in a blade-like fashion and the second part (11) is designed as a contact sleeve (11) which has the compression spring (16) which, after insertion firstly of the contact pin (2) and secondly of the mating contact (6) into the contact sleeve (11), establishes the force fit and the electrical connection with the mating contact (6).
  2. Socket contact according to Claim 1, characterized in that the free end (8) of the contact pin (2) has a latching element (9) which, after insertion of the contact pin (2) into the contact sleeve (11), latches with the said contact sleeve.
  3. Socket contact according to Claim 1, characterized in that the contact pin (2) latches with a latching element which is provided in a contact chamber (18).
  4. Socket contact according to at least one of the preceding claims, characterized in that the contact sleeve (11) is in the form of a punched and bent part and is dimensioned in such a way that it can be arranged in a contact chamber (18).
  5. Socket contact according to Claim 2, characterized in that the latching is formed in such a way that the contact part (5) of the contact pin (2) has a latching window (10) in the latching part (9) in the region of the free end (8), and a latching lug (14) which is arranged on one side of the contact sleeve (11) engages in the said latching window.
  6. Socket contact according to at least one of the preceding claims, characterized in that the contact part (5) of the contact pin (2) has a contact area (7) which is in the form of a contact dome, of which the raised area rests against the mating contact (6), which is designed as a contact pin (6), in the contact-connected state.
  7. Contact chamber for accommodating the socket contact according to Claim 1 and/or according to one of the further Claims 2 to 6, characterized in that the contact chamber (18) is formed in a contact carrier lower part (19) for .accommodating the contact sleeve (11) and has a contact opening (21) for insertion of the contact pin (6) and a contact carrier upper part (24) is arranged on that side which is opposite the contact opening (21), the said contact carrier upper part having a hole (26), of which the internal dimensions are smaller than the internal dimensions of the contact chamber (18).
  8. Plug connector for establishing an electrical plug connection with a mating plug which has one or more mating contacts -in the form of blade- or pin-like formations, characterized in that the plug connector comprises a socket contact (1) according to Claim 1 and/or at least one of Claims 2 to 6.
  9. Plug connector for establishing an electrical plug connection with a mating plug which has one or more mating contacts in the form of blade- or pin-like formations, characterized in that the plug connector comprises a socket contact (1) according to Claim 1 and/or a contact chamber (18) according to Claim 7.
EP06113968A 2005-07-12 2006-05-16 Socket for making an electrical connection to a counter contact as well as a connector having such a socket Not-in-force EP1744406B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005032463A DE102005032463A1 (en) 2005-07-12 2005-07-12 Socket contact for producing an electrical plug connection with a mating contact and plug connector with a socket contact

Publications (2)

Publication Number Publication Date
EP1744406A1 EP1744406A1 (en) 2007-01-17
EP1744406B1 true EP1744406B1 (en) 2009-04-01

Family

ID=36570416

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06113968A Not-in-force EP1744406B1 (en) 2005-07-12 2006-05-16 Socket for making an electrical connection to a counter contact as well as a connector having such a socket

Country Status (3)

Country Link
EP (1) EP1744406B1 (en)
AT (1) ATE427570T1 (en)
DE (2) DE102005032463A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009029278A1 (en) * 2009-09-08 2011-03-31 Tyco Electronics Amp Gmbh Electrical contact device
DE102010001168A1 (en) * 2010-01-25 2011-07-28 Ford Global Technologies, LLC, Mich. Plug connector for use in automobile industry to produce e.g. single electrical connection, has socket contact cooperating with plug contact, where socket contact comprises bistable spring elements occupying two stable positions
DE102012216244A1 (en) 2012-09-13 2014-03-13 Robert Bosch Gmbh Plug contact for locking in plug connector of connector, has locking element whose operating arm is acted with force to change state of plug contact element to lead detent surface of locking element opposite to specific direction
DE102014106471B4 (en) 2014-05-08 2023-09-21 Ke Elektronik Gmbh Connectors with low mating and high contact normal force

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4780097A (en) * 1988-01-29 1988-10-25 Amphenol Corporation Socket contact for an electrical connector
GB9415160D0 (en) * 1994-07-27 1994-09-14 Amp Gmbh Dual material electrical contact
US6328615B1 (en) * 2000-03-02 2001-12-11 Itt Manufacturing Enterprises, Inc. Contact formed of joined pieces

Also Published As

Publication number Publication date
DE102005032463A1 (en) 2007-01-25
ATE427570T1 (en) 2009-04-15
EP1744406A1 (en) 2007-01-17
DE502006003305D1 (en) 2009-05-14

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