EP2946443B1 - Socket contact - Google Patents

Socket contact Download PDF

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Publication number
EP2946443B1
EP2946443B1 EP13824095.7A EP13824095A EP2946443B1 EP 2946443 B1 EP2946443 B1 EP 2946443B1 EP 13824095 A EP13824095 A EP 13824095A EP 2946443 B1 EP2946443 B1 EP 2946443B1
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EP
European Patent Office
Prior art keywords
contact
socket
spring arms
pin
region
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
EP13824095.7A
Other languages
German (de)
French (fr)
Other versions
EP2946443A1 (en
Inventor
Sebastian Griepenstroh
Timm Meyrose
Fred Borgmann
Heiko Koelling
Burghard Blanke
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.)
Harting Electric Stiftung and Co KG
Original Assignee
Harting Electric GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harting Electric GmbH and Co KG filed Critical Harting Electric GmbH and Co KG
Priority to PL13824095T priority Critical patent/PL2946443T3/en
Publication of EP2946443A1 publication Critical patent/EP2946443A1/en
Application granted granted Critical
Publication of EP2946443B1 publication Critical patent/EP2946443B1/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • 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
    • H01R13/111—Resilient sockets co-operating with pins having a circular 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
    • 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
    • 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
    • Y10T29/49206—Contact or terminal manufacturing by powder metallurgy

Definitions

  • the invention relates to a socket contact according to the preamble of claim 1. Furthermore, the invention is concerned with a method for producing a socket contact according to claim 8.
  • Such socket contacts are needed to make electrical contact with a pin contact.
  • Both the socket contact and the pin contact electrical conductors can be connected directly.
  • the termination technique of crimping is often chosen.
  • the DE 10 2010 020 346 A1 shows a contact bush with individual spring arms.
  • the bush is made of solid material.
  • Such a contact socket provides high contact forces with the associated pin contact. The contact force remains constant even with a multiple insertion.
  • the EP 0 133 377 A2 shows a socket contact with two contact blades.
  • the contact blades have a V-shape and thus two Berntonfulnesse with a contact pin.
  • the US 5 135 418 A discloses a contact book with contact blades.
  • the contact blades each have two raised contact pins. These two contact pins make two touch contacts per blade with a pin contact.
  • the US 5,326,288 A shows a female contact with contact blades, which are bent inward in the middle region, for contacting the pin contact.
  • the DE 44 11 784 A1 shows a socket with a total of five spring arms.
  • the individual spring arms are notched approximately centrally in the axial direction and thereby form in each case two contact points with an inserted contact pin.
  • the EP 1 729 371 A1 shows a sleeve with spring arms, wherein the front ends of the spring arms have a circumferential Sich ceremoniesswulst.
  • the US Pat. No. 6,186,841 B1 shows a socket contact with six mutually curved contact blades.
  • the contact blades are bent so that they form two BermmĂȘte with contact elements of certain sizes.
  • the object of the invention is to propose a low-cost socket contact, which provides reliable electrical contact even after several mating cycles.
  • the socket contact according to the invention is essentially formed from a hollow cylinder, in which at least one axial slot is introduced. By axial slotting at least two individual spring arms are formed.
  • three axial slots are introduced into the hollow cylinder, whereby a total of six spring arms are formed.
  • a number of spring arms has been found to be particularly advantageous. If more spring arms are present, the spring elements - and thus the entire socket contact - mechanically unstable. The spring arms deform slightly when inserting the pin contact and a multiple insertion with constant contact force, constant contact resistance, consistent insertion force, etc. is not possible. At least one of the aforementioned properties deteriorates after each insertion.
  • each spring arm has two defined, separate contact contacts on a pin contact.
  • touch contact here is meant a Berntonfeld on the spring arm, which is pressed onto the contact pin.
  • the contact field can assume various two-dimensional geometries.
  • a socket with spring arms according to the invention has twice the number of touch contacts with an inserted contact pin as a conventional socket.
  • the contact force between the spring arms and pin contact can be divided on the individual Berntonessore, causing less wear.
  • the spring arms are less stiff and bend when inserting the pin contact and / or already during transport as bulk material.
  • a method for producing a socket contact described above proceeds as follows: From a cylindrical base body made of solid material in the interaction of a spin-turning method and a tumbling process material is removed from the body. In addition, there are so-called shock and RĂ€umarbeits Republice. The decision is that less material is removed in the contact area of the spring arm than outside the contact area. At least one, but preferably three, axial slot is introduced into the base body thus machined, whereby the individual lamellae are formed. The method is carried out so that the spring arm in the contact area has a greater wall thickness than outside the contact area. This manufacturing process is efficient and ensures a consistently high quality.
  • the contact areas are located at the free ends of the spring elements. Characterized the contact with the inserted contact pin is generated in the vicinity of the insertion of the contact socket.
  • the contact area of the spring arm is designed such that it has a point in the circumferential direction whose radius of curvature is smaller than the radius of curvature of the points on the same plane.
  • the points lie on a common axial axis of the spring arm. This axial axis is referred to in this application as the axis of curvature.
  • the two Touch contacts between the spring arm and contact pin are then left and right of this axis, but not on it.
  • the contact region has at least two points whose radii of curvature are smaller than the radius of the pin contact to be inserted. These two points form the contact between spring arm and contact pin.
  • each spring arm In the end region of each spring arm is a so-called contact area. In this contact area two Berstoffitze be formed with a plugged pin contact.
  • the wall thickness of the spring arms varies in the axial direction. This can be easily realized via the manufacturing process described above. As a result, the physical properties of the individual spring arms, for example the spring constant, can be set in a targeted manner.
  • the contact region Towards the contact pin, the contact region has a cover surface, which produces the contact contact with the contact pin.
  • the wall thickness of the spring arms in the contact area is greatest.
  • the contact region is ideally designed as a truncated pyramid with a rectangular base.
  • the top surface of the pyramid includes the above-described contact areas and touch contacts.
  • the base surface and the top surface of the truncated pyramid are each curved or bent. However, the curvature of the top surface and bottom surface are formed differently.
  • the FIG. 1 shows a perspective view of an embodiment of a socket contact according to the invention 1.
  • the socket contact 1 consists essentially of a hollow cylinder, which is made of conductive material, such as sheet metal. Alternatively, the socket contact can be made of solid material.
  • the hollow cylinder is interrupted by a circumferential thickening 2, which is arranged approximately centrally and the connection region AB and the insertion region EB separated from each other. The thickening 2 serves to position the socket contact in an insulating body of a connector.
  • axial slots 3 are introduced, are formed by the individual spring arms 4.
  • the ends 4a of the spring arms 4 are bent towards each other in the radial direction.
  • the ends 4 a of the spring arms 4 surround the insertion opening 5 of the contact bushing 1.
  • the contact regions 4b are formed as a truncated pyramid.
  • connection region AB of the socket contact 1 has a connection opening 6 into which a conductor of a cable can be inserted.
  • the conductor (not shown) can be connected to the socket contact via a crimping process.
  • the contact area 4b is formed such that there are two points whose radii of curvature are smaller than the radius of the pin contact to be inserted (not shown). These two points form the Berntonfulnesse between spring arm 4 and contact pin.
  • the contact region 4b is located in the upper region of the respective spring arm 4.
  • the spring arm In the contact region 4b, the spring arm has a greater wall thickness than outside the contact region 4b. This means that the spring arm 4 forms a thickening in the contact region.
  • the contact region 4b extends substantially between the axial slots 3.
  • FIGS. 5a-d each show a section through the contact area of a socket contact in the radial plane.
  • the shape and in particular the bent contact region 4b of the respective truncated pyramids may be different.
  • the contact portion 4b is arranged at the end of each blade 4 as a kind of thickening with a certain geometric shape.
  • the contact region 4b Towards the contact pin, the contact region 4b has a curved or curved cover surface, which produces the contact contact with the contact pin.
  • FIG. 5a shows a female contact with six axial slots 3 and six blades 4 with a contact region 4b.
  • the contact area is simply bent.
  • FIG. 5b discloses a more complex contact area 4b.
  • the contact area 4b is bent several times, whereby each blade 4 forms a concise notch 9. If you looked at the notches as cornerstones, the cut would form a regular hexagon here. A direct connecting line of the adjacent notches in the circumferential direction would form a hexagon as a shape.
  • the embodiment of the socket contact according to FIG. 5d also shows an interesting sectional shape. Again, a notch can be seen. Looking at this notch again as an imaginary vertex, you could see a square or square. A direct connecting line of the adjacent notches in the circumferential direction would form a rectangle or square as a shape.
  • FIGS. 5a and 5c are more circular.
  • the slats 4 according to the embodiments 5b and 5d are bent several times.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Measuring Leads Or Probes (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Description

Die Erfindung geht aus von einem Buchsenkontakt nach dem Oberbegriff des Anspruchs 1. Weiterhin befasst sich die Erfindung mit einem Verfahren zur Herstellung eines Buchsenkontakts gemĂ€ĂŸ Anspruch 8.The invention relates to a socket contact according to the preamble of claim 1. Furthermore, the invention is concerned with a method for producing a socket contact according to claim 8.

Derartige Buchsenkontakte werden benötigt, um einen elektrischen Kontakt mit einem Stiftkontakt herzustellen.Such socket contacts are needed to make electrical contact with a pin contact.

Sowohl am Buchsenkontakt als auch am Stiftkontakt können direkt elektrische Leiter angeschlossen sein. Zum Anschluss eines Leiters an den Buchsen- oder Stiftkontakt wird hÀufig die Anschlusstechnik des Crimpens gewÀhlt.Both the socket contact and the pin contact electrical conductors can be connected directly. To connect a conductor to the female or male contact, the termination technique of crimping is often chosen.

Stand der TechnikState of the art

Die DE 10 2010 020 346 A1 zeigt eine Kontaktbuchse mit einzelnen Federarmen. Die Buchse ist aus Vollmaterial gefertigt. Eine derartige Kontaktbuchse bietet hohe KontaktkrÀfte mit dem zugehörigen Stiftkontakt. Die Kontaktkraft bleibt auch bei einer Vielfachsteckung konstant.The DE 10 2010 020 346 A1 shows a contact bush with individual spring arms. The bush is made of solid material. Such a contact socket provides high contact forces with the associated pin contact. The contact force remains constant even with a multiple insertion.

Die EP 0 133 377 A2 zeigt einen Buchsenkontakt mit zwei Kontaktlamellen. Die Kontaktlamellen haben eine V-Form und damit zwei BerĂŒhrkontakte mit einem Kontaktstift.The EP 0 133 377 A2 shows a socket contact with two contact blades. The contact blades have a V-shape and thus two BerĂŒhrkontakte with a contact pin.

Die US 5 135 418 A offenbart eine Kontaktbuche mit Kontaktlamellen. Die Kontaktlamellen weisen jeweils zwei erhabene Kontaktpins auf. Durch diese zwei Kontaktpins werden pro Lamelle zwei BerĂŒhrkontakte mit einem Stiftkontakt hergestellt.The US 5 135 418 A discloses a contact book with contact blades. The contact blades each have two raised contact pins. These two contact pins make two touch contacts per blade with a pin contact.

Die US 5 326 288 A zeigt einen Buchsenkontakt mit Kontaktlamellen, die im mittleren Bereich, zur Kontaktierung des Stiftkontaktes, nach innen gebogen sind.The US 5,326,288 A shows a female contact with contact blades, which are bent inward in the middle region, for contacting the pin contact.

Die DE 44 11 784 A1 zeigt eine Buchse mit insgesamt fĂŒnf Federarmen. Die einzelnen Federarme sind in axialer Richtung etwa mittig eingekerbt und bilden dadurch jeweils zwei Kontaktpunkte mit einem eingefĂŒhrten Kontaktstift aus.The DE 44 11 784 A1 shows a socket with a total of five spring arms. The individual spring arms are notched approximately centrally in the axial direction and thereby form in each case two contact points with an inserted contact pin.

Die EP 1 729 371 A1 zeigt eine Buchse mit Federarmen, wobei die stirnseitigen Enden der Federarme eine umlaufende Sicherungswulst aufweisen.The EP 1 729 371 A1 shows a sleeve with spring arms, wherein the front ends of the spring arms have a circumferential Sicherungswulst.

Die US 6 186 841 B1 zeigt einen Buchsenkontakt mit sechs zueinander hin gebogenen Kontaktlamellen. Die Kontaktlamellen sind derart gebogen, dass sie mit Kontaktelementen bestimmter GrĂ¶ĂŸen zwei BerĂŒhrkontakte bilden.The US Pat. No. 6,186,841 B1 shows a socket contact with six mutually curved contact blades. The contact blades are bent so that they form two BerĂŒhrkontakte with contact elements of certain sizes.

Nachteilig ist jedoch die aufwendige und damit teure Herstellung eines derartigen Buchsenkontaktes.However, a disadvantage is the complex and therefore expensive production of such a socket contact.

Aufgabenstellungtask

Die Aufgabe der Erfindung besteht darin einen preisgĂŒnstigen Buchsenkontakt vorzuschlagen, der auch nach mehreren Steckzyklen einen zuverlĂ€ssigen elektrischen Kontakt bietet.The object of the invention is to propose a low-cost socket contact, which provides reliable electrical contact even after several mating cycles.

Die Aufgabe wird durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.The object is solved by the characterizing features of claim 1.

Vorteilhafte Ausgestaltungen der Erfindung sind in den UnteransprĂŒchen angegeben.Advantageous embodiments of the invention are specified in the subclaims.

Der erfindungsgemĂ€ĂŸe Buchsenkontakt wird im Wesentlichen aus einem Hohlzylinder gebildet, in welchen zumindest ein axialer Schlitz eingebracht ist. Durch die axiale Schlitzung werden zumindest zwei einzelne Federarme gebildet.The socket contact according to the invention is essentially formed from a hollow cylinder, in which at least one axial slot is introduced. By axial slotting at least two individual spring arms are formed.

Vorzugsweise sind drei axiale Schlitze in den Hohlzylinder eingebracht, wodurch insgesamt sechs Federarme gebildet werden. Eine derartige Anzahl von Federarmen hat sich als besonders vorteilhaft herausgestellt. Sind mehr Federarme vorhanden, werden die Federelemente - und damit der gesamte Buchsenkontakt - mechanisch instabil. Die Federarme verformen sich beim Einstecken des Stiftkontaktes leicht und eine Mehrfachsteckung bei gleichbleibender Kontaktkraft, gleichbleibenden Übergangswiderstand, gleichbleibender Steckkraft, etc. ist nicht möglich. Zumindest eine der vorgenannten Eigenschaften verschlechtert sich nach jedem Steckvorgang.Preferably, three axial slots are introduced into the hollow cylinder, whereby a total of six spring arms are formed. Such a number of spring arms has been found to be particularly advantageous. If more spring arms are present, the spring elements - and thus the entire socket contact - mechanically unstable. The spring arms deform slightly when inserting the pin contact and a multiple insertion with constant contact force, constant contact resistance, consistent insertion force, etc. is not possible. At least one of the aforementioned properties deteriorates after each insertion.

ErfindungsgemĂ€ĂŸ ist daher vorgesehen, die Federarme mit Kontaktbereichen auszustatten, die jeweils zwei BerĂŒhrkontakte mit einem eingesteckten Stiftkontakt aufweisen. Jeder Federarm hat zwei definierte, voneinander getrennte BerĂŒhrkontakte auf einem Stiftkontakt. Mit BerĂŒhrkontakt ist hier ein BerĂŒhrfeld auf dem Federarm gemeint, welches auf den Kontaktstift gepresst ist. Das Kontaktfeld kann diverse zweidimensionale Geometrien einnehmen.According to the invention it is therefore provided to equip the spring arms with contact areas, each having two BerĂŒhrkontakte with an inserted pin contact. Each spring arm has two defined, separate contact contacts on a pin contact. By touch contact here is meant a BerĂŒhrfeld on the spring arm, which is pressed onto the contact pin. The contact field can assume various two-dimensional geometries.

Eine Buchse mit erfindungsgemĂ€ĂŸen Federarmen hat die doppelte Anzahl von BerĂŒhrkontakten mit einem eingesteckten Kontaktstift wie eine herkömmliche Buchse. Die Kontaktkraft zwischen Federarmen und Stiftkontakt kann sich auf die einzelnen BerĂŒhrkontakte aufteilen, was einen geringeren Verschleiß verursacht.A socket with spring arms according to the invention has twice the number of touch contacts with an inserted contact pin as a conventional socket. The contact force between the spring arms and pin contact can be divided on the individual BerĂŒhrkontakte, causing less wear.

Will man mit herkömmlichen Buchsen dieselbe Anzahl an BerĂŒhrkontakten erreichen, muss die doppelte Anzahl an Federarmen vorhanden sein.If you want to reach the same number of BerĂŒhrkontakten with conventional jacks, twice the number of spring arms must be present.

Dadurch werden die Federarme weniger steif und verbiegen beim Einstecken des Stiftkontaktes und/oder bereits beim Transport als SchĂŒttgut.As a result, the spring arms are less stiff and bend when inserting the pin contact and / or already during transport as bulk material.

Ein Verfahren zur Herstellung eines oben beschriebenen Buchsenkontakts verlĂ€uft folgendermaßen: Aus einem zylinderförmigen Grundkörper aus Vollmaterial wird im Zusammenspiel eines Hinterdrehverfahrens und eines Taumelverfahrens Material aus dem Grundkörper entnommen. Hinzu kommen so genannte Stoß- und RĂ€umarbeitsschritte. Entscheiden ist, dass im Kontaktbereich des Federarms weniger Material abgetragen wird als außerhalb des Kontaktbereichs. In den so bearbeitenden Grundkörper wird zumindest ein, vorzugsweise jedoch drei, axialer Schlitz eingebracht, wodurch die einzelnen Lamellen gebildet werden. Das Verfahren wird so ausgefĂŒhrt, dass der Federarm im Kontaktbereich eine grĂ¶ĂŸere WandstĂ€rke aufweist als außerhalb des Kontaktbereichs. Dieses Herstellungsverfahren ist effizient und gewĂ€hrleistet ein gleichbleibend hohe QualitĂ€t.A method for producing a socket contact described above proceeds as follows: From a cylindrical base body made of solid material in the interaction of a spin-turning method and a tumbling process material is removed from the body. In addition, there are so-called shock and RĂ€umarbeitsschritte. The decision is that less material is removed in the contact area of the spring arm than outside the contact area. At least one, but preferably three, axial slot is introduced into the base body thus machined, whereby the individual lamellae are formed. The method is carried out so that the spring arm in the contact area has a greater wall thickness than outside the contact area. This manufacturing process is efficient and ensures a consistently high quality.

Die Kontaktbereiche sind an den freien Enden der Federelemente lokalisiert. Dadurch wird der Kontakt mit dem eingesteckten Kontaktstift in der NÀhe der Einstecköffnung der Kontaktbuchse erzeugt.The contact areas are located at the free ends of the spring elements. Characterized the contact with the inserted contact pin is generated in the vicinity of the insertion of the contact socket.

Besonders vorteilhaft ist es, wenn die Federarme in radialer Richtung zueinander hin gebogen sind. Die Federarme sind an der Position zueinander hingebogen, wo sich auch die Kontaktbereiche befinden.It when the spring arms are bent in the radial direction to each other is particularly advantageous. The spring arms are bent towards each other at the position where the contact areas are located.

Vorteilhafterweise ist der Kontaktbereich des Federarms derart ausgebildet, dass er in Umfangsrichtung einen Punkt aufweist, dessen KrĂŒmmungsradius kleiner ist als der KrĂŒmmungsradius der Punkte auf derselben Ebene. In den verschiedenen Ebenen liegen die Punkte auf einer gemeinsamen axialen Achse des Federarms. Diese axiale Achse wird in dieser Anmeldung auch als KrĂŒmmungsachse bezeichnet. Die zwei BerĂŒhrkontakte zwischen Federarm und Kontaktstift liegen dann links und rechts von dieser Achse, aber keinesfalls darauf.Advantageously, the contact area of the spring arm is designed such that it has a point in the circumferential direction whose radius of curvature is smaller than the radius of curvature of the points on the same plane. In the various planes, the points lie on a common axial axis of the spring arm. This axial axis is referred to in this application as the axis of curvature. The two Touch contacts between the spring arm and contact pin are then left and right of this axis, but not on it.

Besonders vorteilhaft weist der Kontaktbereich zumindest zwei Punkte auf, deren KrĂŒmmungsradien kleiner sind als der Radius des einzufĂŒhrenden Stiftkontaktes. Diese zwei Punkte bilden die BerĂŒhrkontakte zwischen Federarm und Kontaktstift.Particularly advantageously, the contact region has at least two points whose radii of curvature are smaller than the radius of the pin contact to be inserted. These two points form the contact between spring arm and contact pin.

Im Endbereich eines jeden Federarms befindet sich ein so genannter Kontaktbereich. In diesem Kontaktbereich werden zwei BerĂŒhrkontakte mit einem eingestecktem Stiftkontakt ausgebildet.In the end region of each spring arm is a so-called contact area. In this contact area two BerĂŒhrkontakte be formed with a plugged pin contact.

Vorteilhafterweise variiert die WandstĂ€rke der Federarme in axialer Richtung. Dies kann ĂŒber den oben beschriebenen Fertigungsprozess leicht realisiert werden. Dadurch können die physikalischen Eigenschaften der einzelnen Federarme, beispielsweise die Federkonstante, gezielt eingestellt werden.Advantageously, the wall thickness of the spring arms varies in the axial direction. This can be easily realized via the manufacturing process described above. As a result, the physical properties of the individual spring arms, for example the spring constant, can be set in a targeted manner.

Zum Kontaktstift hin weist der Kontaktbereich eine DeckflĂ€che auf, die den BerĂŒhrkontakt mit dem Kontaktstift herstellt.Towards the contact pin, the contact region has a cover surface, which produces the contact contact with the contact pin.

Vorteilhafterweise ist die WandstĂ€rke der Federarme im Kontaktbereich am grĂ¶ĂŸten. Der Kontaktbereich ist idealerweise als Pyramidenstumpf mit rechteckiger GrundflĂ€che ausgebildet. Die DeckflĂ€che der Pyramide beinhaltet die oben beschriebenen Kontaktbereiche und BerĂŒhrkontakte. Die GrundflĂ€che und die DeckflĂ€che des Pyramidenstumpfes sind jeweils gekrĂŒmmt beziehungsweise gebogen ausgebildet. Die KrĂŒmmung von DeckflĂ€che und GrundflĂ€che sind jedoch unterschiedlich ausgebildet.Advantageously, the wall thickness of the spring arms in the contact area is greatest. The contact region is ideally designed as a truncated pyramid with a rectangular base. The top surface of the pyramid includes the above-described contact areas and touch contacts. The base surface and the top surface of the truncated pyramid are each curved or bent. However, the curvature of the top surface and bottom surface are formed differently.

AusfĂŒhrungsbeispielembodiment

Ein AusfĂŒhrungsbeispiel der Erfindung ist in den Zeichnungen dargestellt und wird im Folgenden nĂ€her erlĂ€utert. Es zeigen:

Fig. 1
eine perspektivische Darstellung eines Buchsenkontakts,
Fig. 2
eine Draufsicht auf eine Einstecköffnung des Buchsenkontakts,
Fig. 3
einen perspektivischen Ansicht des Einsteckbereichs des Buchsenkontakts mit Sicht auf die Einstecköffnung und
Fig. 4
eine perspektivische Ansicht auf den Anschlussbereich des Buchsenkontakts und
Fig. 5
a-d: einen radialen Schnitt durch den Kontaktbereich des Buchsenkontakts.
An embodiment of the invention is illustrated in the drawings and will be explained in more detail below. Show it:
Fig. 1
a perspective view of a socket contact,
Fig. 2
a plan view of an insertion of the socket contact,
Fig. 3
a perspective view of the insertion of the socket contact with a view of the insertion and
Fig. 4
a perspective view of the connection area of the socket contact and
Fig. 5
ad: a radial section through the contact area of the socket contact.

Die Figur 1 zeigt eine perspektivische Ansicht eines AusfĂŒhrungsbeispiels eines erfindungsgemĂ€ĂŸen Buchsenkontakts 1. Der Buchsenkontakt 1 besteht im Wesentlichen aus einem Hohlzylinder, der aus leitendem Material, beispielsweise Blech, gefertigt ist. Alternativ kann der Buchsenkontakt aus Vollmaterial ausgearbeitet sein. Der Hohlzylinder wird von einer umlaufenden Verdickung 2 unterbrochen, die in etwa mittig angeordnet ist und den Anschlussbereich AB und den Einsteckbereich EB voneinander trennt. Die Verdickung 2 dient dazu, den Buchsenkontakt in einem Isolierkörper eines Steckverbinders zu positionieren.The FIG. 1 shows a perspective view of an embodiment of a socket contact according to the invention 1. The socket contact 1 consists essentially of a hollow cylinder, which is made of conductive material, such as sheet metal. Alternatively, the socket contact can be made of solid material. The hollow cylinder is interrupted by a circumferential thickening 2, which is arranged approximately centrally and the connection region AB and the insertion region EB separated from each other. The thickening 2 serves to position the socket contact in an insulating body of a connector.

Im Einsteckbereich EB des Hohlzylinders sind axiale Schlitze 3 eingebracht, durch die einzelne Federarme 4 gebildet werden. Die Enden 4a der Federarme 4 sind in radialer Richtung zueinander hin gebogen. In dem hier gezeigten AusfĂŒhrungsbeispiel umringen die Enden 4a der Federarme 4 die Einstecköffnung 5 der Kontaktbuchse 1.In the insertion region EB of the hollow cylinder axial slots 3 are introduced, are formed by the individual spring arms 4. The ends 4a of the spring arms 4 are bent towards each other in the radial direction. In the exemplary embodiment shown here, the ends 4 a of the spring arms 4 surround the insertion opening 5 of the contact bushing 1.

An den Enden 4a der Federarme 4 sind in radialer Richtung nach innen weisende Kontaktbereiche 4b angeformt. In dem hier gezeigten AusfĂŒhrungsbeispiel sind die Kontaktbereiche 4b als Pyramidenstumpf ausgebildet.At the ends 4a of the spring arms 4 are formed in the radial direction inwardly facing contact areas 4b. In the embodiment shown here, the contact regions 4b are formed as a truncated pyramid.

Der Anschlussbereich AB des Buchsenkontakts 1 weist eine Anschlussöffnung 6 auf, in die ein Leiter eines Kabels eingefĂŒhrt werden kann. Der Leiter (nicht gezeigt) kann ĂŒber einen Crimpvorgang mit dem Buchsenkontakt verbunden werden.The connection region AB of the socket contact 1 has a connection opening 6 into which a conductor of a cable can be inserted. The conductor (not shown) can be connected to the socket contact via a crimping process.

Der Kontaktbereich 4b ist derart ausgebildet, dass zwei Punkte vorhanden sind, deren KrĂŒmmungsradien kleiner sind als der Radius des einzufĂŒhrenden Stiftkontaktes (nicht gezeigt). Diese zwei Punkte bilden die BerĂŒhrkontakte zwischen Federarm 4 und Kontaktstift.The contact area 4b is formed such that there are two points whose radii of curvature are smaller than the radius of the pin contact to be inserted (not shown). These two points form the BerĂŒhrkontakte between spring arm 4 and contact pin.

Der Kontaktbereich 4b befindet sich im oberen Bereich des jeweiligen Federarms 4. Im Kontaktbereich 4b hat der Federarm eine grĂ¶ĂŸere WandstĂ€rke als außerhalb des Kontaktbereichs 4b. Das bedeutet, dass der Federarm 4 im Kontaktbereich eine Verdickung ausbildet. Der Kontaktbereich 4b erstreckt sich im Wesentlichen zwischen den axialen Schlitzen 3.The contact region 4b is located in the upper region of the respective spring arm 4. In the contact region 4b, the spring arm has a greater wall thickness than outside the contact region 4b. This means that the spring arm 4 forms a thickening in the contact region. The contact region 4b extends substantially between the axial slots 3.

Die Figuren 5a-d zeigen jeweils einen Schnitt durch den Kontaktbereich eines Buchsenkontaktes in der Radialebene. Die Form und insbesondere der gebogener Kontaktbereich 4b der jeweiligen PyramidenstĂŒmpfe können unterschiedlich sein. Der Kontaktebereich 4b ist am Ende jeder Lamelle 4 als eine Art Verdickung mit einer bestimmten geometrischen Form angeordnet. Zum Kontaktstift hin weist der Kontaktbereich 4b eine gebogene beziehungsweise gekrĂŒmmte DeckflĂ€che auf, die den BerĂŒhrkontakt mit dem Kontaktstift herstellt.The FIGS. 5a-d each show a section through the contact area of a socket contact in the radial plane. The shape and in particular the bent contact region 4b of the respective truncated pyramids may be different. The contact portion 4b is arranged at the end of each blade 4 as a kind of thickening with a certain geometric shape. Towards the contact pin, the contact region 4b has a curved or curved cover surface, which produces the contact contact with the contact pin.

Die Figur 5a zeigt einen Buchsenkontakt mit sechs axialen Schlitzen 3 und sechs Lamellen 4 mit einem Kontaktbereich 4b. Der Kontaktbereich ist einfach gebogen.The FIG. 5a shows a female contact with six axial slots 3 and six blades 4 with a contact region 4b. The contact area is simply bent.

Die AusfĂŒhrungsform gemĂ€ĂŸ Figur 5b offenbart eine komplexeren Kontaktbereich 4b. Hier ist der Kontaktbereich 4b mehrfach gebogen, wodurch jede Lamelle 4 eine prĂ€gnante Kerbe 9 ausbildet. WĂŒrde man die Kerben als Eckpunkte ansehen, wĂŒrde der Schnitt hier ein regelmĂ€ĂŸiges Sechseck ausbilden. Eine direkte Verbindungslinie der benachbarten Kerben in Umfangsrichtung wĂŒrde als Form ein Sechseck ausbilden.The embodiment according to FIG. 5b discloses a more complex contact area 4b. Here, the contact area 4b is bent several times, whereby each blade 4 forms a concise notch 9. If you looked at the notches as cornerstones, the cut would form a regular hexagon here. A direct connecting line of the adjacent notches in the circumferential direction would form a hexagon as a shape.

Die AusfĂŒhrungsform des Buchsenkontaktes gemĂ€ĂŸ 5d zeigt ebenfalls eine interessante Schnittform. Auch hier ist eine Kerbe zu erkennen. Betrachtet man diese Kerbe wieder als imaginĂ€ren Eckpunkt, könnte man ein Viereck oder auch Quadrat erkennen. Eine direkte Verbindungslinie der benachbarten Kerben in Umfangsrichtung wĂŒrde als Form ein Viereck oder auch Quadrat ausbilden.The embodiment of the socket contact according to FIG. 5d also shows an interesting sectional shape. Again, a notch can be seen. Looking at this notch again as an imaginary vertex, you could see a square or square. A direct connecting line of the adjacent notches in the circumferential direction would form a rectangle or square as a shape.

Die Schnittformen in den Figuren 5a und 5c sind eher kreisförmig. Die Lamellen 4 nach den AusfĂŒhrungsformen 5b und 5d sind mehrfach gebogen.The sectional forms in the FIGS. 5a and 5c are more circular. The slats 4 according to the embodiments 5b and 5d are bent several times.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Buchsenkontaktfemale contact
22
Verdickungthickening
33
Axialer SchlitzAxial slot
44
Federarmspring arm
4a4a
Ende des FederarmsEnd of the spring arm
4b4b
Kontaktbereichcontact area
55
Einstecköffnunginsertion
66
Anschlussöffnungport opening
99
Kerbescore

Claims (6)

  1. Socket contact for making electrical contact with a pin contact, wherein the socket contact (1) is formed substantially from a hollow cylinder in which at least one axial slot (3) is made, as a result of which at least two spring arms (4) are formed, wherein the ends of the spring arms (4) have contact regions (4b), wherein in each case two points of physical contact can be established with the pin contact by means of the contact regions (4b), wherein the contact regions (4b) have a curved covering surface, and wherein the curved covering surface forms two points of physical contact with the pin contact, characterized in that the spring arm has a greater wall thickness in the contact region (4b) than outside the contact region, as a result of which the spring arm (4) forms a thickened portion in the contact region.
  2. Socket contact according to one of the preceding claims, characterized in that the covering surface has a notch (9).
  3. Socket contact according to either of the preceding claims, characterized in that the spring arms (4) are bent towards one another in the radial direction.
  4. Socket contact according to one of the preceding claims, characterized in that the spring arms (4) have a wall thickness which varies in the axial direction.
  5. Socket contact according to one of the preceding claims, characterized in that the wall thickness of the spring arms (4) varies several times in the axial direction.
  6. Socket contact according to one of the preceding claims, characterized in that the wall thickness of the spring arms (4) is greatest in the contact region (4b).
EP13824095.7A 2013-01-18 2013-11-06 Socket contact Active EP2946443B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13824095T PL2946443T3 (en) 2013-01-18 2013-11-06 Socket contact

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310100493 DE102013100493B3 (en) 2013-01-18 2013-01-18 Socket contact for electrical contact of pin contact for connection of direct electric conductor, has contact regions designed as truncated pyramid that is formed with top surface, where surface produces touching contacts with pin contact
PCT/DE2013/100375 WO2014111074A1 (en) 2013-01-18 2013-11-06 Socket contact

Publications (2)

Publication Number Publication Date
EP2946443A1 EP2946443A1 (en) 2015-11-25
EP2946443B1 true EP2946443B1 (en) 2017-02-22

Family

ID=49713914

Family Applications (1)

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EP13824095.7A Active EP2946443B1 (en) 2013-01-18 2013-11-06 Socket contact

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US (1) US20150357738A1 (en)
EP (1) EP2946443B1 (en)
JP (1) JP6099769B2 (en)
CN (1) CN104919659B (en)
BR (1) BR112015016698A2 (en)
DE (1) DE102013100493B3 (en)
DK (1) DK2946443T3 (en)
ES (1) ES2623887T3 (en)
PL (1) PL2946443T3 (en)
RU (1) RU2623730C2 (en)
WO (1) WO2014111074A1 (en)

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Also Published As

Publication number Publication date
CN104919659B (en) 2018-01-23
ES2623887T3 (en) 2017-07-12
JP2016503951A (en) 2016-02-08
EP2946443A1 (en) 2015-11-25
US20150357738A1 (en) 2015-12-10
CN104919659A (en) 2015-09-16
DK2946443T3 (en) 2017-05-01
WO2014111074A1 (en) 2014-07-24
DE102013100493B3 (en) 2013-12-24
RU2623730C2 (en) 2017-06-29
BR112015016698A2 (en) 2017-07-11
PL2946443T3 (en) 2017-08-31
RU2015134400A (en) 2017-02-27
JP6099769B2 (en) 2017-03-22

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