EP0235620A2 - Casing with at least one contact spring chamber each receiving a contact spring - Google Patents

Casing with at least one contact spring chamber each receiving a contact spring Download PDF

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Publication number
EP0235620A2
EP0235620A2 EP87101769A EP87101769A EP0235620A2 EP 0235620 A2 EP0235620 A2 EP 0235620A2 EP 87101769 A EP87101769 A EP 87101769A EP 87101769 A EP87101769 A EP 87101769A EP 0235620 A2 EP0235620 A2 EP 0235620A2
Authority
EP
European Patent Office
Prior art keywords
contact spring
housing
contact
circuit board
spring 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.)
Granted
Application number
EP87101769A
Other languages
German (de)
French (fr)
Other versions
EP0235620A3 (en
EP0235620B1 (en
Inventor
Leo Dipl.-Ing. Pelzl (Fh)
Jürgen Dipl.-Ing. Seibold (FH)
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.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19868605183 external-priority patent/DE8605183U1/en
Priority claimed from DE19868607440 external-priority patent/DE8607440U1/en
Application filed by Siemens AG filed Critical Siemens AG
Priority to AT87101769T priority Critical patent/ATE95951T1/en
Publication of EP0235620A2 publication Critical patent/EP0235620A2/en
Publication of EP0235620A3 publication Critical patent/EP0235620A3/en
Application granted granted Critical
Publication of EP0235620B1 publication Critical patent/EP0235620B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/422—Securing in resilient one-piece base or case, e.g. by friction; One-piece base or case formed with resilient locking means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/727—Coupling devices presenting arrays of contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/50—Bases; Cases formed as an integral body
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/50—Bases; Cases formed as an integral body
    • H01R13/501—Bases; Cases formed as an integral body comprising an integral hinge or a frangible part

Definitions

  • the invention relates to a housing with at least one contact spring chamber for receiving one contact spring, in which each contact spring chamber has an insertion opening for receiving a contact pin and an opening for a connection part serving for the electrical connection to a circuit board mechanically connected to the housing.
  • Contact springs which serve for the electrical connection to a circuit arranged on a circuit board or to circuit parts, for example, can be arranged in a special housing which is to be mechanically connected to the circuit board. Such housings serve, among other things, to hold and protect the contact springs from mechanical damage.
  • a contact spring connecting part for example in the form of a connecting lug or a connecting pin, which is pressed into a corresponding receiving opening in the printed circuit board.
  • the housing itself can be screwed onto the printed circuit board or, for example, mechanically firmly connected by means of fastening pins attached to the housing, which are to be inserted into corresponding receiving openings in the printed circuit board.
  • the terminal lug or the connecting pin is to be fitted into the corresponding opening and, at the same time, the elements effecting the mechanical fastening of the housing on the printed circuit board are to be brought together. Tolerances of these elements can prevent assembly of the printed circuit board and housing. The likelihood of such undesirable tolerances occurring increases with the number of interacting elements, for example if the housing has a plurality of fastening elements and / or a plurality of contact springs, each with one or even more connecting lugs.
  • the invention has for its object to provide a housing of the type mentioned, which can be connected to a corresponding printed circuit board regardless of the aforementioned tolerances and which at the same time holds the contact springs in a position allowing this connection.
  • the contact spring chamber has on its side facing the insertion opening a movement of the contact spring in the insertion and removal direction of the contact pin first element and on its side facing away from the insertion opening has a resilient against the insertion direction second element.
  • the contact springs arranged in the housing are slidably held in such a way that they do not escape from the housing and thereby compensate for the tolerances mentioned.
  • a contact spring can be used for the housing according to the innovation, which forms the subject of a patent application filed on February 26, 1986 with the German Patent Office (file number, P 3606198.0; G 8605187.3).
  • This contact spring has two spring legs 25 in the form of a tulip spring, each with a centering nose 26 (see FIGS. 2 and 3).
  • the contact spring 2 also has a web-shaped fastening element 27 (see FIG. 2) and a plurality of connecting lugs 21 with side legs 23 and 24.
  • the contact spring chambers 11 are elongated in the respective insertion direction of the corresponding contact pin to be inserted and have larger geometric dimensions in this longitudinal direction than the respective contact springs 2.
  • the contact spring chambers 11 are separated by a wall running parallel to the insertion directions, in which there is a receiving opening for a housing fastening element, for example a screw.
  • a housing fastening element for example a screw.
  • the housing 1 has fastening pins 13 which are to be inserted into corresponding receiving openings in the printed circuit board.
  • Each contact spring chamber 11 contains on its side facing the insertion opening 15 a first element 111 which allows the movement of the contact spring 2 in the insertion and removal direction of the contact pin, and on its side facing away from the insertion opening 15 a resilient second element 112 which snaps over the contact spring 2 and it holds in the contact spring chamber 11.
  • the contact spring chamber 11 is preferably formed in one piece.
  • the aforementioned first element can be designed as a slot which is open in the insertion direction and which receives the web-shaped fastening element 27 of the contact spring and permits its movement in the insertion and removal direction.
  • the aforementioned second element 112 is preferably as Tongue formed and snaps over the respective contact spring 2 against the direction of insertion.
  • the described arrangement of the contact spring 2 between the first and second elements 111 and 112 of the contact spring chamber 11 serves to hold the contact spring 2 securely in the contact spring chamber 11 until the housing 1 and printed circuit board are assembled, that is to say that it complicates the assembly or even to avoid the preventive position of the contact spring 2.
  • connection drives 21 into corresponding receiving openings in the printed circuit board and after the introduction of the fastening pins 13 into likewise corresponding receiving openings in the printed circuit board
  • contact spring 2 after inserting a screw into the receiving opening 14, contact spring 2, housing 1 and printed circuit board are firmly connected to one another , so that the so-called floating bearing originally caused by the first element 111 and the second element 112 is canceled.
  • the first housing 1 (or a second housing 1 Genzouse) can be closed by a cover 12 on its part adjacent to the insertion openings 15.
  • This cover 12 serves on the one hand to protect against mechanical damage to the contact spring, in particular the spring leg 25 a pretensioning of the spring legs 25 is realized, so that, on the one hand, a so-called rear insertion is prevented and, on the other hand, a pretension of the two spring legs 25 which reduces bruises is brought about.
  • the contact spring 2 illustrates the mounting of the contact spring 2 in the first housing 1.
  • the contact spring 2 rests on a contact spring support 113.
  • the web-shaped fastening element 27 of the contact spring 2 is mounted in the first element 111 of the contact spring chamber 11 so that the Contact spring 2 can move in the direction of insertion and removal.
  • the first element 111 is formed by a nose, which forms a slot open to the insertion direction for the web-shaped fastening element 27 of the contact spring 2.
  • the second element 112 which can be designed as a tongue, which holds the contact spring 2 in the housing 1 until it is finally fixed in the printed circuit board. In this way, the distance between the connecting lugs 21, whose press-in area 22 is only shown schematically, and the fastening pin 13 can be changed.
  • the centering lug 26 on the spring legs 25 of the contact spring 2 lies against the centering web 121 arranged inside the cover 12, the shape of which becomes visible when viewing FIGS. 1, 2 and 3 together.
  • the second element 112 of the second housing 1 ⁇ can be designed as an element which is resilient against the insertion direction of the contact pin, in particular as a tongue.
  • the But tongue does not snap over the respective contact spring 2 as in the first housing, but presses the contact spring against the insertion direction of the contact pin.
  • FIG 5 illustrates once again the mounting of the contact springs 2 in the first housing 1 (FIG 1) or in the second housing 1 ⁇ , which is shown from the side having the insertion openings 15.
  • the contact spring 2 with the spring legs 25 shown in FIG 3, centering lugs 26 and the web-shaped fastening element 27 is mounted so that it can be moved perpendicular to the plane of the drawing until it is finally fixed.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

To compensate for tolerances, the contact spring chamber (11) has a first element, especially a slot-shaped element (111), on its side facing the insertion opening (15), which permits movement of the contact spring (2) in the insertion and extraction direction of a contact pin, and, on its side averted from the insertion opening (15), it has a second, particularly tongue-shaped element (112), sprung against the insertion direction. <IMAGE>

Description

Die Erfindung betrifft ein Gehäuse mit mindestens einer Kontaktfederkammer zur Aufnahme je einer Kontaktfeder, bei dem jede Kontaktfederkammer eine Einstecköffnung zur Aufnahme eines Kontaktstiftes und eine Öffnung für ein dem elektrischen Anschluß an eine mit dem Gehäuse mecha­nisch verbundene Leiterplatte dienendes Anschlußteil auf­weist.The invention relates to a housing with at least one contact spring chamber for receiving one contact spring, in which each contact spring chamber has an insertion opening for receiving a contact pin and an opening for a connection part serving for the electrical connection to a circuit board mechanically connected to the housing.

Kontaktfedern, die dem elektrischen Anschluß an eine bei­spielsweise auf einer Leiterplatte angeordneten Schaltung oder an Schaltungsteile dienen, können in einem besonde­ren Gehäuse angeordnet sein, das mit der Leiterplatte me­chanisch zu verbinden ist. Solche Gehäuse dienen u.a. der Halterung und dem Schutz der Kontaktfedern vor mechani­schen Beschädigungen. Sie weisen neben einer Einstecköff­nung für den in die Kontaktfeder einzuführenden Kontakt­stift eine Öffnung für ein Kontaktfederanschlußteil, bei­spielsweise in Form einer Anschlußfahne oder eines An­schlußstiftes, auf, das in eine korrespondierende Aufnah­meöffnung der Leiterplatte eingepreßt eingelötet wird. Vor dem Zusammenbau von Gehäuse und Leiterplatte sind die entsprechenden Kontaktfedern in das Gehäuse einzubringen und dort so zu halten, daß sie weder aus dem Gehäuse ent­weichen noch eine andere Position einnehmen können, die den Zusammenbau von Gehäuse und Leiterplatte erschwert oder gar unterbindet.Contact springs, which serve for the electrical connection to a circuit arranged on a circuit board or to circuit parts, for example, can be arranged in a special housing which is to be mechanically connected to the circuit board. Such housings serve, among other things, to hold and protect the contact springs from mechanical damage. In addition to an insertion opening for the contact pin to be inserted into the contact spring, they have an opening for a contact spring connecting part, for example in the form of a connecting lug or a connecting pin, which is pressed into a corresponding receiving opening in the printed circuit board. Before assembling the housing and circuit board, the corresponding contact springs must be inserted into the housing and held there so that they can neither escape from the housing nor assume any other position that complicates or even prevents the assembly of housing and circuit board.

Das Gehäuse selbst kann auf die Leiterplatte aufgeschraubt werden oder beispielsweise durch am Gehäuse angebrachte Befestigungszapfen, die in korrespondierende Aufnahmeöff­nungen der Leiterplatte einzuführen sind, mechanisch fest verbunden werden. Bei der Anbringung des die Kontaktfeder enthaltenen Gehäuses auf die Leiterplatte ist die An­schlußfahne bzw. der Anschlußstift in die korrespondieren­de Öffnung einzupassen und zugleich sind die die mecha­nische Befestigung des Gehäuses auf der Leiterplatte be­wirkenden Elemente zusammenzuführen. Toleranzen dieser Elemente können einen Zusammenbau von Leiterplatte und Gehäuse unterbinden. Die Wahrscheinlichkeit für das Auf­treten derartiger, unerwünschter Toleranzen, steigt mit der Anzahl der zusammenwirkenden Elemente, wenn also bei­spielsweise das Gehäuse mehrere Befestigungselemente und/­oder mehrere Kontaktfedern mit jeweils einer oder sogar mehreren Anschlußfahnen aufweist.The housing itself can be screwed onto the printed circuit board or, for example, mechanically firmly connected by means of fastening pins attached to the housing, which are to be inserted into corresponding receiving openings in the printed circuit board. When attaching the housing containing the contact spring to the printed circuit board, the terminal lug or the connecting pin is to be fitted into the corresponding opening and, at the same time, the elements effecting the mechanical fastening of the housing on the printed circuit board are to be brought together. Tolerances of these elements can prevent assembly of the printed circuit board and housing. The likelihood of such undesirable tolerances occurring increases with the number of interacting elements, for example if the housing has a plurality of fastening elements and / or a plurality of contact springs, each with one or even more connecting lugs.

Der Erfindung liegt die Aufgabe zugrunde, ein Gehäuse der eingangs genannten Art zu schaffen, das unabhängig von den vorgenannten Toleranzen mit einer entsprechenden Lei­terplatte verbindbar ist und das zugleich die Kontaktfe­dern in einer diese Verbindung gestattenden Position hält.The invention has for its object to provide a housing of the type mentioned, which can be connected to a corresponding printed circuit board regardless of the aforementioned tolerances and which at the same time holds the contact springs in a position allowing this connection.

Diese Aufgabe wird gemäß der Erfindung dadurch gelöst, daß die Kontaktfederkammer an ihrer der Einstecköffnung zuge­wandten Seite ein die Bewegung der Kontaktfeder in Ein- und Aussteckrichtung des Kontaktstiftes erlaubendes erstes Element und an ihrer der Einstecköffnung abgewandten Seite ein gegen die Einsteckrichtung federndes zweites Element aufweist.This object is achieved according to the invention in that the contact spring chamber has on its side facing the insertion opening a movement of the contact spring in the insertion and removal direction of the contact pin first element and on its side facing away from the insertion opening has a resilient against the insertion direction second element.

Als vorteilhaft erweist sich die uneingeschränkte Ver­wendbarkeit von Gehäuse, Kontaktfeder und Leiterplatte unabhängig von den angesprochenen Toleranzen. Die Ausge­ staltung der Kontaktfederkammern erweist sich als her­stellungstechnisch einfach und erfordert einen kaum nen­nenswerten Materialverbrauch.The unlimited use of the housing, contact spring and printed circuit board has proven to be advantageous, regardless of the tolerances mentioned. The Ausge Design of the contact spring chambers proves to be simple in terms of production technology and requires hardly any material consumption.

Beim Zusammenbau von Gehäuse und Leiterplatte werden die im Gehäuse angeordneten Kontaktfedern in der Weise ver­schiebbar festgehalten, daß sie nicht aus dem Gehäuse entweichen und dabei die genannten Toleranzen ausgleichen.When assembling the housing and printed circuit board, the contact springs arranged in the housing are slidably held in such a way that they do not escape from the housing and thereby compensate for the tolerances mentioned.

Die Erfindung wird nun anhand der Zeichnungen in einem zum Verständnis erforderlichen Umfang beschrieben.The invention will now be described with reference to the drawings to the extent necessary for understanding.

Es zeigen

  • FIG1 eine Draufsicht auf ein erstes Gehäuse mit zwei, jeweils eine Kontaktfeder enthaltenen Kontaktfeder­kammern,
  • FIG 2 einen Schnitt durch das erste Gehäuse nach FIG 1,
  • FIG 3 eine Draufsicht auf ein zweites Gehäuse mit ebenfalls zwei, jeweils eine Kontaktfeder enthaltenen Kontakt­federkammern,
  • FIG 4 einen Schnitt durch das zweite Gehäuse nach FIG 3, und
  • FIG 5 die die Einstecköffnungen aufweisende Seite des ersten beziehungsweise zweiten Gehäuses.
Show it
  • 1 shows a plan view of a first housing with two contact spring chambers each containing a contact spring,
  • 2 shows a section through the first housing according to FIG. 1,
  • 3 shows a plan view of a second housing, likewise with two contact spring chambers each containing a contact spring,
  • 4 shows a section through the second housing according to FIG 3, and
  • 5 shows the side of the first or second housing having the insertion openings.

FIG 1 zeigt ein erstes Gehäuse 1 mit zwei Kontaktfeder­kammern 11, in denen jeweils eine Kontaktfeder 2 ange­ordnet ist. Verwendbar für das Gehäuse gemäß der Neuerung ist u.a. eine Kontaktfeder, die den Gegenstand einer am 26.02.1986 beim Deutschen Patentamt eingereichten Patent­anmeldung (Aktenzeichen, P 3606198.0; G 8605187.3) bildet.1 shows a first housing 1 with two contact spring chambers 11, in each of which a contact spring 2 is arranged. A contact spring can be used for the housing according to the innovation, which forms the subject of a patent application filed on February 26, 1986 with the German Patent Office (file number, P 3606198.0; G 8605187.3).

Diese Kontaktfeder weist zwei Federschenkel 25 in Form einer Tulpenfeder mit je einer Zentriernase 26 (vgl. FIG 2 und 3) auf. Die Kontaktfeder 2 weist außerdem ein stegför­miges Befestigungselement 27, (vgl. FIG 2) sowie eine Mehrzahl Anschlußfahnen 21 mit Seitenschenkel 23 und 24 auf.This contact spring has two spring legs 25 in the form of a tulip spring, each with a centering nose 26 (see FIGS. 2 and 3). The contact spring 2 also has a web-shaped fastening element 27 (see FIG. 2) and a plurality of connecting lugs 21 with side legs 23 and 24.

Die Kontaktfederkammern 11 sind länglich in der jeweili­gen Einsteckrichtung des korrespondierenden, einzuführen­den Kontaktstiftes ausgebildet und haben in dieser Längs­richtung größere geometrische Abmessungen als die jewei­ligen Kontaktfedern 2.The contact spring chambers 11 are elongated in the respective insertion direction of the corresponding contact pin to be inserted and have larger geometric dimensions in this longitudinal direction than the respective contact springs 2.

Die Kontaktfederkammern 11 sind durch eine parallel zu den Einsteckrichtungen verlaufende Wand getrennt, in der sich eine Aufnahmeöffnung für ein Gehäusebefestigungsele­ment, beispielsweise eine Schraube befindet. Zur Befesti­gung des Gehäuses 1 auf eine Leiterplatte weist das Ge­häuse 1 Befestigungszapfen 13 auf, die in korrespondie­rende Aufnahmeöffnungen der Leiterplatte einzuführen sind.The contact spring chambers 11 are separated by a wall running parallel to the insertion directions, in which there is a receiving opening for a housing fastening element, for example a screw. To attach the housing 1 to a printed circuit board, the housing 1 has fastening pins 13 which are to be inserted into corresponding receiving openings in the printed circuit board.

Jede Kontaktfederkammer 11 enthält an ihrer der Einsteck­öffnung 15 zugewandten Seite ein die Bewegung der Kon­taktfeder 2 in Ein- und Aussteckrichtung des Kontaktstif­tes erlaubendes erstes Element 111, sowie an ihrer der Einstecköffnung 15 abgewandten Seite ein federndes zweites Element 112, das über die Kontaktfeder 2 schnappt und sie so in der Kontaktfederkammer 11 hält. Die Kontaktfeder­kammer 11 ist vorzugsweise einteilig ausgebildet. Das zu­vor genannte erste Element kann als ein in Einsteckrich­tung offener Schlitz ausgebildet sein, der das stegförmi­ge Befestigungselement 27 der Kontaktfeder aufnimmt und deren Bewegung in Ein- und Aussteckrichtung zuläßt. Das zuvor genannte zweite Element 112 ist vorzugsweise als Zunge ausgebildet und schnappt über die jeweilige Kon­taktfeder 2 gegen die Einsteckrichtung. Dadurch wird eine begrenzte Beweglichkeit der Kontaktfeder 2 in der Ein- und Aussteckrichtung zum Zeitpunkt der Montage der Kontaktfe­der 2 in der Kontaktfederkammer 11 für den Ausgleich der Toleranz zwischen der im Gehäuse 1 gelagerten Kontaktfe­der 2 mit der Leiterplatte hergestellt. Neben dem Toleranz­ausgleich dient die beschriebene Anordnung der Kontaktfe­der 2 zwischen dem ersten und zweiten Element 111 und 112 der Kontaktfederkammer 11 dazu, die Kontaktfeder 2 bis zur Montage von Gehäuse 1 und Leiterplatte sicher in der Kontaktfederkammer 11 zu halten, also eine die Montage erschwerende oder gar verhindernde Position der Kontakt­feder 2 zu vermeiden.Each contact spring chamber 11 contains on its side facing the insertion opening 15 a first element 111 which allows the movement of the contact spring 2 in the insertion and removal direction of the contact pin, and on its side facing away from the insertion opening 15 a resilient second element 112 which snaps over the contact spring 2 and it holds in the contact spring chamber 11. The contact spring chamber 11 is preferably formed in one piece. The aforementioned first element can be designed as a slot which is open in the insertion direction and which receives the web-shaped fastening element 27 of the contact spring and permits its movement in the insertion and removal direction. The aforementioned second element 112 is preferably as Tongue formed and snaps over the respective contact spring 2 against the direction of insertion. As a result, a limited mobility of the contact spring 2 in the insertion and removal direction at the time of assembly of the contact spring 2 in the contact spring chamber 11 for the compensation of the tolerance between the contact spring 2 mounted in the housing 1 with the printed circuit board is produced. In addition to the tolerance compensation, the described arrangement of the contact spring 2 between the first and second elements 111 and 112 of the contact spring chamber 11 serves to hold the contact spring 2 securely in the contact spring chamber 11 until the housing 1 and printed circuit board are assembled, that is to say that it complicates the assembly or even to avoid the preventive position of the contact spring 2.

Nach der Gesamtmontage, also nach der Einführung der An­schlußfahren 21 in entsprechende Aufnahmeöffnungen der Leiterplatte und nach Einführung der Befestigungszapfen 13 in ebenfalls entsprechende Aufnahmeöffnungen der Leiter­platte, gegebenenfalls nach Einführung einer Schraube in die Aufnahmeöffnung 14, sind Kontaktfeder 2, Gehäuse 1 und Leiterplatte fest miteinander verbunden, so daß die ur­sprünglich durch das erste Element 111 und das zweite Element 112 bewirkte, sogenannte schwimmende Lagerung aufgehoben ist.After the overall assembly, that is, after the introduction of the connection drives 21 into corresponding receiving openings in the printed circuit board and after the introduction of the fastening pins 13 into likewise corresponding receiving openings in the printed circuit board, optionally after inserting a screw into the receiving opening 14, contact spring 2, housing 1 and printed circuit board are firmly connected to one another , so that the so-called floating bearing originally caused by the first element 111 and the second element 112 is canceled.

Wie auch anhand von FIG 2 und FIG 4 noch erläutert wird, kann das erste Gehäuse 1 (beziehungsweise ein zweites Gehäuse 1ʹ) an seinem den Einstecköffnungen 15 benachbar­ten Teil durch einen Deckel 12 verschlossen werden. Dieser Deckel 12 dient zum einen dem Schutz vor mechanischen Be­schädigungen der Kontaktfeder, insbesondere der Feder­schenkel 25. Zum anderen wird mittels Zentrierstege 121 eine Vorspannung der Federschenkel 25 realisiert, so daß zum einen ein sogenanntes Hinterstecken unterbunden wird und zum anderen eine Prellungen vermindernde Vorspannung der beiden Federschenkel 25 bewirkt wird.As will also be explained with reference to FIGS. 2 and 4, the first housing 1 (or a second housing 1 Gehäuse) can be closed by a cover 12 on its part adjacent to the insertion openings 15. This cover 12 serves on the one hand to protect against mechanical damage to the contact spring, in particular the spring leg 25 a pretensioning of the spring legs 25 is realized, so that, on the one hand, a so-called rear insertion is prevented and, on the other hand, a pretension of the two spring legs 25 which reduces bruises is brought about.

FIG 2 veranschaulicht die Lagerung der Kontaktfeder 2 im ersten Gehäuse 1. Die Kontaktfeder 2 ruht auf einer Kontaktfederauflage 113. An der der Einstecköffnung 15 zugewandten Seite ist das stegförmige Befestigungselement 27 der Kontaktfeder 2 im ersten Element 111 der Kontakt­federkammer 11 so gelagert, daß sich die Kontaktfeder 2 in Ein- und Aussteckrichtung bewegen kann. Das erste Element 111 wird durch eine Nase gebildet, die einen zur Einsteckrichtung offenen Schlitz für das stegförmige Befestigungselement 27 der Kontaktfeder 2 bildet. An der der Einstecköffnung abgewandten Seite der Kontaktfeder­kammer 11 befindet sich das zweite Element 112, das als Zunge ausgebildet sein kann, die die Kontaktfeder 2 im Gehäuse 1 verschiebbar bis zu ihrer endgültigen Fixierung in der Leiterplatte hält. Auf diese Weise läßt sich der Abstand zwischen den Anschlußfahnen 21, deren Einpress­bereich 22 nur schematisch dargestellt ist, und den Befestigungszapfen 13 verändern.2 illustrates the mounting of the contact spring 2 in the first housing 1. The contact spring 2 rests on a contact spring support 113. On the side facing the insertion opening 15, the web-shaped fastening element 27 of the contact spring 2 is mounted in the first element 111 of the contact spring chamber 11 so that the Contact spring 2 can move in the direction of insertion and removal. The first element 111 is formed by a nose, which forms a slot open to the insertion direction for the web-shaped fastening element 27 of the contact spring 2. On the side of the contact spring chamber 11 facing away from the insertion opening there is the second element 112, which can be designed as a tongue, which holds the contact spring 2 in the housing 1 until it is finally fixed in the printed circuit board. In this way, the distance between the connecting lugs 21, whose press-in area 22 is only shown schematically, and the fastening pin 13 can be changed.

Die Zentriernase 26 an den Federschenkeln 25 der Kontakt­feder 2 liegt an dem innen im Deckel 12 angeordneten Zen­triersteg 121 an, dessen Form bei gemeinsamer Betrachtung der FIG 1, 2 und 3 sichtbar wird.The centering lug 26 on the spring legs 25 of the contact spring 2 lies against the centering web 121 arranged inside the cover 12, the shape of which becomes visible when viewing FIGS. 1, 2 and 3 together.

FIG 3 zeigt ein zweites Gehäuse 1ʹ, das sich vom ersten Gehäuse 1 nur durch die Position des zweiten Elements 112 zur Kontaktfeder 2 unterscheidet. Das zweite Element 112 des zweiten Gehäuses 1ʹ kann wie beim ersten Gehäuse 1 als gegen die Einsteckrichtung des Kontaktstiftes federndes Element, insbesondere als Zunge ausgebildet sein. Die Zunge schnappt aber nicht wie im ersten Gehäuse über die jeweilige Kontaktfeder 2, sondern drückt die Kontakt­feder gegen die Einsteckrichtung des Kontaktstiftes.3 shows a second housing 1ʹ, which differs from the first housing 1 only in the position of the second element 112 relative to the contact spring 2. As in the first housing 1, the second element 112 of the second housing 1ʹ can be designed as an element which is resilient against the insertion direction of the contact pin, in particular as a tongue. The But tongue does not snap over the respective contact spring 2 as in the first housing, but presses the contact spring against the insertion direction of the contact pin.

Dieses Zusammenwirken des zweiten Elements 112 mit der Kontaktfeder 2 im zweiten Gehäuse 1ʹ ist auch aus FIG 4 ersichtlich, die sich im übrigen nicht von der oben be­schriebenen FIG 2 unterscheidet.This interaction of the second element 112 with the contact spring 2 in the second housing 1ʹ can also be seen from FIG. 4, which otherwise does not differ from FIG. 2 described above.

FIG 5 veranschaulicht noch einmal die Lagerung der Kon­taktfedern 2 im ersten Gehäuse 1 (FIG 1) beziehungsweise im zweiten Gehäuse 1ʹ, das von der die Einstecköffnungen 15 aufweisenden Seite dargestellt ist. Die Kontaktfeder 2 mit den in FIG 3 dargestellten Federschenkeln 25, Zentrier­nasen 26 und dem stegförmigen Befestigungselement 27 ist so gelagert, daß sie bis zur endgültigen Fixierung senk­recht zur Zeichenebene bewegt werden kann.FIG 5 illustrates once again the mounting of the contact springs 2 in the first housing 1 (FIG 1) or in the second housing 1ʹ, which is shown from the side having the insertion openings 15. The contact spring 2 with the spring legs 25 shown in FIG 3, centering lugs 26 and the web-shaped fastening element 27 is mounted so that it can be moved perpendicular to the plane of the drawing until it is finally fixed.

BezugszeichenlisteReference symbol list

  • 1 Gehäuse1 housing
  • 11 Kontaktfederkammer11 contact spring chamber
  • 111 Erstes (schlitzförmiges) Element111 First (slit-shaped) element
  • 112 Zweites Element (Zunge)112 second element (tongue)
  • 113 Kontaktfederauflage113 contact spring support
  • 12 Deckel12 lids
  • 121 Zentriersteg121 centering bar
  • 13 Befestigungszapfen13 mounting pins
  • 14 Aufnahmeöffnung für Gehäusebefestigungselement14 Receiving opening for housing fastening element
  • 15 Einstecköffnung15 insertion opening
  • 2 Kontaktfeder2 contact spring
  • 21 Anschlußfahne21 connecting lug
  • 22 Einpreßbereich22 press-in area
  • 23, 24 Seitenschenkel der Anschlußfahnen 2123, 24 side legs of the connecting lugs 21
  • 25 Federschenkel25 feather legs
  • 26 Zentriernase26 centering nose
  • 27 Kontaktfederbefestigungselement27 contact spring fastening element

Claims (6)

1. Gehäuse mit mindestens einer Kontaktfederkammer zur Aufnahme je einer Kontaktfeder, bei dem jede Kontaktfe­derkammer eine Einstecköffnung zur Aufnahme eines Kon­taktstiftes und eine Öffnung für ein dem elektrischen An­schluß an eine mit dem Gehäuse mechanisch verbundene Lei­terplatte dienendes Anschlußteil aufweist,
dadurch gekennzeichnet, daß die Kontaktfederkammer (11) an ihrer der Einstecköffnung (15) zugewandten Seite ein die Bewegung der Kontaktfeder (2) in Ein- und Aussteckrichtung des Kontaktstiftes erlauben­des erstes Element (111) und an ihrer der Einstecköffnung (15) abgewandten Seite ein gegen die Einsteckrichtung fe­derndes zweites Element (112) aufweist.1. Housing with at least one contact spring chamber for receiving one contact spring each, in which each contact spring chamber has an insertion opening for receiving a contact pin and an opening for a connection part serving for the electrical connection to a circuit board mechanically connected to the housing,
characterized in that the contact spring chamber (11) has on its side facing the insertion opening (15) a first element (111) allowing movement of the contact spring (2) in the insertion and removal direction of the contact pin and on its side facing away from the insertion opening (15) has a second element (112) resilient against the direction of insertion. 2. Gehäuse nach Anspruch 1,
dadurch gekennzeichnet, daß die Kontaktfederkammer (11) einteilig ausgebildet ist.2. Housing according to claim 1,
characterized in that the contact spring chamber (11) is formed in one piece. 3. Gehäuse nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß das erste Element (111) als ein in Einsteckrichtung offener Schlitz ausgebildet ist.3. Housing according to one of the preceding claims,
characterized in that the first element (111) is designed as an open slot in the direction of insertion. 4. Gehäuse nach Anspruch 3,
dadurch gekennzeichnet, daß das zweite Element (112) als Zunge ausgebildet ist, die nach Einführung der Kontaktfeder (2) in das erste Element (111) in ihre Ruhestellung zurückgeht.4. Housing according to claim 3,
characterized in that the second element (112) is designed as a tongue which, after the contact spring (2) has been introduced into the first element (111), returns to its rest position. 5. Gehäuse nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß das zweite Element (112) die Kontaktfeder (2) gegen die Einsteckrichtung des Kontaktstiftes drückt.5. Housing according to one of claims 1 to 3,
characterized in that the second element (112) presses the contact spring (2) against the insertion direction of the contact pin. 6. Gehäuse nach Anspruch 5,
dadurch gekennzeichnet, daß das zweite Element (112) als Zunge ausgebildet ist.6. Housing according to claim 5,
characterized in that the second element (112) is designed as a tongue.
EP87101769A 1986-02-26 1987-02-09 Casing with at least one contact spring chamber each receiving a contact spring Expired - Lifetime EP0235620B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87101769T ATE95951T1 (en) 1986-02-26 1987-02-09 HOUSING WITH AT LEAST ONE CONTACT SPRING CHAMBER TO ACCOMMODATE ONE CONTACT SPRING EACH.

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19868605183 DE8605183U1 (en) 1986-02-26 1986-02-26 Housing with at least one contact spring chamber for receiving a contact spring
DE8605183U 1986-02-26
DE19868607440 DE8607440U1 (en) 1986-03-18 1986-03-18 Housing with at least one contact spring chamber to accommodate one contact spring each
DE8607440U 1986-03-18

Publications (3)

Publication Number Publication Date
EP0235620A2 true EP0235620A2 (en) 1987-09-09
EP0235620A3 EP0235620A3 (en) 1989-02-22
EP0235620B1 EP0235620B1 (en) 1993-10-13

Family

ID=25950725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87101769A Expired - Lifetime EP0235620B1 (en) 1986-02-26 1987-02-09 Casing with at least one contact spring chamber each receiving a contact spring

Country Status (2)

Country Link
EP (1) EP0235620B1 (en)
DE (1) DE3787739D1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29606347U1 (en) * 1996-04-01 1997-10-23 Wieland Electric Gmbh Electrical connector, in particular for printed circuit boards

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1209719A (en) * 1968-05-31 1970-10-21 Amp Inc Improvements in electrical circuit junction blocks
DE2924346A1 (en) * 1979-06-16 1980-12-18 Vaudeha Elektro Gmbh Junction box or multiple terminal system for cables - has trip-shaped retainers holding contact spring sleeves which are pressed into recesses

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1209719A (en) * 1968-05-31 1970-10-21 Amp Inc Improvements in electrical circuit junction blocks
DE2924346A1 (en) * 1979-06-16 1980-12-18 Vaudeha Elektro Gmbh Junction box or multiple terminal system for cables - has trip-shaped retainers holding contact spring sleeves which are pressed into recesses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29606347U1 (en) * 1996-04-01 1997-10-23 Wieland Electric Gmbh Electrical connector, in particular for printed circuit boards

Also Published As

Publication number Publication date
EP0235620A3 (en) 1989-02-22
DE3787739D1 (en) 1993-11-18
EP0235620B1 (en) 1993-10-13

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