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EP1107395A2 - Lamp socket - Google Patents

Lamp socket Download PDF

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Publication number
EP1107395A2
EP1107395A2 EP00125664A EP00125664A EP1107395A2 EP 1107395 A2 EP1107395 A2 EP 1107395A2 EP 00125664 A EP00125664 A EP 00125664A EP 00125664 A EP00125664 A EP 00125664A EP 1107395 A2 EP1107395 A2 EP 1107395A2
Authority
EP
European Patent Office
Prior art keywords
leg
socket
abutment
detent spring
holding
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
EP00125664A
Other languages
German (de)
French (fr)
Other versions
EP1107395B1 (en
EP1107395A3 (en
Inventor
Dieter Dipl.-Ing. Henrici
Manuel Rodrigues
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.)
BJB GmbH and Co KG
Original Assignee
BJB 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 BJB GmbH and Co KG filed Critical BJB GmbH and Co KG
Publication of EP1107395A2 publication Critical patent/EP1107395A2/en
Publication of EP1107395A3 publication Critical patent/EP1107395A3/en
Application granted granted Critical
Publication of EP1107395B1 publication Critical patent/EP1107395B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05Two-pole devices
    • H01R33/06Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
    • H01R33/08Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent lamp
    • H01R33/0836Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent lamp characterised by the lamp holding means

Definitions

  • the invention relates to a socket for lamps according to the Preamble of claim 1.
  • the The present invention is based on the holding leg of the Latching spring following one in the depth of the socket bend of about 180 ° to be accommodated on the abutment legs, from which the tongue is cut out as a U-shaped tongue is formed.
  • the detent spring is in the lamp insertion direction with its U-shaped Bend ahead in a pocket-like recess in the Socket housing inserted until it hits a stop. In This position can be shown on the outside of the abutment leg Locking tongue behind a retaining surface of the socket housing snap, so that the detent spring against a tensile force on the lamp holds securely in the socket housing.
  • the free end of the abutment section is supported in this final assembly position by an inward facing one Area within the socket housing.
  • the bent shoulder of the holding leg protrudes into the Path of movement of the lamp base or to attack the shoulder mating surface provided on it.
  • the present invention has for its object, means and Show ways like a version with at least one Latching spring in the sense of a significant reduction in the material requirement is still to be optimized for the detent spring.
  • the invention solves this problem with the features of Claim 1 and is particularly characterized in that the Abutment leg formed from the holding leg and itself is also a latch.
  • the essential essence of the invention is therefore that additional, i.e. provided in the extension of the holding leg, To completely leave out abutment legs. According to the invention this happens because the abutment leg and its function from the extended and bent end portion of the detent spring in the area that was previously only relocated from the holding leg was taken. This will result in enormous material savings achieved because - assuming comparable dimensions of the end product - over a third of the length of the metal strip from which the detent spring is produced, is no longer needed.
  • the Abutment leg cut out of the flat sheet metal strip and is issued in such a way that its free end corresponds to the end of the Holding leg points on which the bent shoulder is located.
  • the arrangement in the prior art is as follows hit that in an end region of the flat holding leg a leg was also cut out in a U shape. However, this was not the abutment leg itself, but one that is detached from it and exhibited special latch. Their free end points to immediately adjacent free end of the metal strip, but not to the free end of the not yet deformed holding leg, which is in the opposite Direction lies.
  • the success of the invention is also based on the knowledge that the U-shaped incision in particular Sheet metal strip from which the detent spring is to be made, in a different way than to be ordered so far.
  • the abutment leg preferably forms an oblique shape the straight section uplifting transition section into a extending substantially along the straight section End section merges.
  • This end section serves to deal with its To support the outer surface on an inner surface of the socket housing, whereas its marginal edge delimits the inner surface Grips behind the lead.
  • the abutment leg, starting from the zone of its Connection to the holding leg is essentially straight, that is, without Let the transition section run.
  • the invention provides that one over the Connection zone of the transition section on the straight section of the Abutment leg protruding insertion section into one Receiving slot of the socket housing engages.
  • the invention is most easily understood on the basis of the in 9 to 12 shown prior art.
  • FIG. 9 10 denotes a lamp socket overall, whose socket housing 11 made of insulating material to each other diametrically opposite sides towards the lamp, not shown has open pockets 12 for a detent spring 13 each.
  • Each Latch spring 13 is divided into a holding leg 14 and one a bend designated 15, about 180 ° subsequent abutment leg 16.
  • This abutment leg 16 is supported with an outer surface 16a near its free end 16b from an inner surface 11a of the socket housing 11.
  • a U-shaped incision 17 Fig. 12
  • a barb and tongue-like latch 18 18
  • the holding leg 14 of the detent spring 13 each has one bent shoulder 21 to attack an appropriate Counter surface of the base 25, not shown in FIGS. 9 to 12 Lamp serves.
  • the holding leg 14 can, for example, be located at 15 Bend the bending axis in the direction of arrow 22 resiliently if a Lamp base 25 (Fig. 1 to 3) is inserted into the lamp holder 10. In the final operating position, the shoulders 21 snap towards one another Arrow direction 22 back into the lamp base 25 holding Operating position.
  • the detent spring 13 after the State of the art has several functional elements, namely that for resilient latching attack on the lamp base 25 specific holding leg 14 with shoulder 21, one that is supported on the inside in the socket Abutment leg 16, namely following one end of the holding leg 14 attached U-shaped bend 15 and finally as a further and last functional element the tongue-like from the Abutment leg 16 notched latch 18.
  • a detent spring 13 of this known type is a flat sheet metal strip 23 of length L (Fig. 12). It should be emphasized that the free edge 18a of the latch 18 from the free end 23a of the blank 23 points away, the free end 14a of the finished detent spring 13 Holding leg 14 forms. Rather, the edge 18a faces directly adjacent cutting edge 23b, which in the finished detent spring 13 free end of the abutment leg 16 forms.
  • the version 10 shown in FIGS. 1 to 3 corresponding to the The invention has detent springs 13, the holding legs 14 of which are in turn one bent shoulder 21 for attacking counter surfaces 24 a Provide lamp base 25.
  • the peculiarity is that the abutment leg 16 is integrated in the holding leg 14 and itself is also a latch.
  • the tongue 26 is deformed such that a transition section 27 protrudes obliquely from the rectilinear portion of the retaining spring 14 and a free end portion by means of abutment legs 16 essentially to the free end 14a of the holding leg 14 or along this is turned continuously.
  • This configuration is particularly from the 4 to 7 can be seen very clearly.
  • socket housing 11 In the socket housing 11 are slit-like to the lamp base 25 open slot receptacles 28 are provided, in which the end portions 14b the holding leg 14 are inserted with their end face first. Not groove-like guides are shown in the socket housing 11 for guidance and holding lateral edge regions 14c of the holding legs 14.

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Abstract

A lamp holder has a contact spring which, instead of being bent into a U-shape and having its barb on the bracing shank opposite the retaining shank, has a bracing barb or lug bent out of the retaining shank itself and engageable as an indexing member behind a projection formed on the lamp housing.

Description

Die Erfindung betrifft eine Fassung für Lampen nach dem Oberbegriff des Anspruchs 1.The invention relates to a socket for lamps according to the Preamble of claim 1.

Fassungen dieser Art dienen einerseits dazu, die elektrische Verbindung der Netzleitungen mit der Lampe herzustellen und zum anderen dazu, die Lampe mechanisch sicher zu halten. Unter diesem Aspekt ist es insbesondere bei Lampen mit Sockeln der im Oberbegriff genannten Typen bekannt, im Fassungsgehäuse wenigstens eine Rastfeder anzuordnen, die die Aufgabe hat, den Lampensockel in seiner in die Fassung eingesteckten Position zu halten bzw. diese Position gegen Herausfallen zu sichern.Versions of this type are used on the one hand, the electrical Connect the power lines to the lamp and to others to keep the lamp mechanically secure. Under this Aspect is particularly in the case of lamps with bases in the preamble known types known, at least one in the socket housing Arrange detent spring, which has the task of the lamp base in its hold in the inserted position or this position against Secure falling out.

Bei einer bekannten Fassung der vorausgesetzten Art, von der die vorliegende Erfindung ausgeht, schließt sich an den Halteschenkel der Rastfeder im Anschluß an eine in der Tiefe der Fassung unterzubringenden Umbiegung von etwa 180° der Widerlagerschenkel an, aus welchem als U-förmig ausgeschnittene Zunge die Rastnase ausgeformt ist. Die Rastfeder wird in Lampeneinsteckrichtung mit ihrer U-förmigen Umbiegung voran in eine taschenartige Ausnehmung im Fassungsgehäuse eingesteckt, bis sie gegen einen Anschlag trifft. In dieser Position kann die nach außen am Widerlagerschenkel ausgestellte Rastzunge hinter eine Rückhaltefläche des Fassungsgehäuses schnappen, so dass die Rastfeder entgegen einer Zugkraft an der Lampe sicher im Fassungsgehäuse hält. Das freie Ende des Widerlagerabschnitts stützt sich in dieser Endmontagelage an einer nach innen weisenden Fläche innerhalb des Fassungsgehäuses ab. Zum Zentrum der Fassung hin ragt die ausgebogene Schulter des Halteschenkels in die Bewegungsbahn des Lampensockels bzw. der zum Angriff der Schulter daran vorgesehenen Gegenfläche. Beim Einsetzen des Lampensockels drückt dieser den federnden Halteschenkel zunächst zur Seite, bis er in der voll einsteckten Position des Lampensockels hinter eine die Gegenfläche tragende Anschlagschulter des Lampensockels greifen kann.In a known version of the required type, of which the The present invention is based on the holding leg of the Latching spring following one in the depth of the socket bend of about 180 ° to be accommodated on the abutment legs, from which the tongue is cut out as a U-shaped tongue is formed. The detent spring is in the lamp insertion direction with its U-shaped Bend ahead in a pocket-like recess in the Socket housing inserted until it hits a stop. In This position can be shown on the outside of the abutment leg Locking tongue behind a retaining surface of the socket housing snap, so that the detent spring against a tensile force on the lamp holds securely in the socket housing. The free end of the abutment section is supported in this final assembly position by an inward facing one Area within the socket housing. To the center of the frame the bent shoulder of the holding leg protrudes into the Path of movement of the lamp base or to attack the shoulder mating surface provided on it. When inserting the lamp base This first pushes the resilient holding leg to the side until it is in the fully inserted position of the lamp base behind one Counter-bearing shoulder of the lamp base can grip.

Üblicherweise sind in einem Fassungsgehäuse in einander gegenüberliegender Anordnung zwei derartige Rastfedern angeordnet. Es gibt jedoch auch Ausführungen, bei denen nur einseitig eine solche Rastfeder vorgesehen ist, wohingegen auf der anderen Seite ein fassungsfester Anschlag vorgesehen ist.Usually are in a socket housing in each other opposite arrangement two such detent springs arranged. It However, there are also versions in which there is only one Detent spring is provided, whereas on the other side fixed stop is provided.

Fassungen der genannten Art haben sich insbesondere auch hinsichtlich der sicheren Halterung von Lampensockeln in der Praxis bewährt.Versions of the type mentioned have in particular with regard to the secure mounting of lamp bases in practice proven.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, Mittel und Wege aufzuzeigen, wie eine Fassung mit wenigstens einer solchen Rastfeder im Sinne einer deutlichen Verminderung des Werkstoffbedarfs für die Rastfeder noch zu optimieren ist.The present invention has for its object, means and Show ways like a version with at least one Latching spring in the sense of a significant reduction in the material requirement is still to be optimized for the detent spring.

Die Erfindung löst diese Aufgabe mit den Merkmalen des Anspruches 1 und ist insbesondere dadurch gekennzeichnet, dass der Widerlagerschenkel aus dem Halteschenkel ausgeformt und selbst zugleich auch Rastnase ist.The invention solves this problem with the features of Claim 1 and is particularly characterized in that the Abutment leg formed from the holding leg and itself is also a latch.

Der wesentliche Kern der Erfindung besteht mithin darin, den zusätzlichen, d.h. in Verlängerung des Halteschenkels vorgesehenen, Widerlagerschenkel gänzlich auszusparen. Entsprechend der Erfindung geschieht dies dadurch, dass der Widerlagerschenkel und seine Funktion von dem verlängerten und umgebogenen Endabschnitt der Rastfeder in denjenigen Bereich verlagert ist, der bisher lediglich vom Halteschenkel eingenommen wurde. Damit wird eine enorme Werkstoffeinsparung erzielt, weil - vergleichbare Dimensionen des Endprodukts vorausgesetzt - über ein Drittel der Länge des Blechstreifens, aus dem die Rastfeder hergestellt wird, nicht mehr benötigt wird. The essential essence of the invention is therefore that additional, i.e. provided in the extension of the holding leg, To completely leave out abutment legs. According to the invention this happens because the abutment leg and its function from the extended and bent end portion of the detent spring in the area that was previously only relocated from the holding leg was taken. This will result in enormous material savings achieved because - assuming comparable dimensions of the end product - over a third of the length of the metal strip from which the detent spring is produced, is no longer needed.

In geschickter praktischer Ausführung ist vorgesehen, dass der Widerlagerschenkel aus dem ebenen Blechstreifen freigeschnitten und derart ausgestellt ist, dass sein freies Ende zu dem Ende des Halteschenkels weist, an dem sich die ausgebogene Schulter befindet. Beim Stand der Technik ist im Unterschied dazu die Anordnung so getroffen, dass in einem Endbereich des ebenen Halteschenkels zwar ebenfalls in U-Form ein Schenkel ausgeschnitten war. Dies war allerdings nicht der Widerlagerschenkel selbst, sondern eine aus ihm ausgeklinkte und ausgestellte besondere Rastnase. Deren freies Ende weist zum unmittelbar benachbarten freien Ende des Blechstreifens, nicht jedoch zum freien Ende des noch nicht verformten Halteschenkels, der in entgegengesetzter Richtung liegt. Der Erfolg der Erfindung beruht also auch auf der Erkenntnis, den insbesondere U-förmigen Einschnitt im Blechstreifen, aus dem die Rastfeder herzustellen ist, in anderer Weise als bisher anzuordnen.In a clever, practical design, it is provided that the Abutment leg cut out of the flat sheet metal strip and is issued in such a way that its free end corresponds to the end of the Holding leg points on which the bent shoulder is located. In contrast, the arrangement in the prior art is as follows hit that in an end region of the flat holding leg a leg was also cut out in a U shape. However, this was not the abutment leg itself, but one that is detached from it and exhibited special latch. Their free end points to immediately adjacent free end of the metal strip, but not to the free end of the not yet deformed holding leg, which is in the opposite Direction lies. The success of the invention is also based on the knowledge that the U-shaped incision in particular Sheet metal strip from which the detent spring is to be made, in a different way than to be ordered so far.

Die Rastfeder weist entsprechend einer weiteren Ausgestaltung der Erfindung einen im wesentlichen geraden Abschnitt auf, aus dem der Widerlagerschenkel ausgeschnitten ist und an den sich zum einen Ende hin die ausgebogene Schulter anschließt.According to a further embodiment of the detent spring Invention on a substantially straight section from which the Abutment leg is cut out and to the one end towards the bent shoulder.

Vorzugsweise bildet der Widerlagerschenkel einen sich schräg aus dem geraden Abschnitt erhebenden Übergangsabschnitt aus, der in einen sich im wesentlichen entlang dem geraden Abschnitt erstreckenden Endabschnitt übergeht. Dieser Endabschnitt dient dazu, sich mit seiner Außenfläche an einer Innenfläche des Fassungsgehäuses abzustützen, wohingegen seine Randkante einen die Innenfläche begrenzenden Vorsprung hintergreift. Dies ist eine besonders zuverlässige Form und Ausgestaltung des Widerlagerschenkels, der zugleich die Widerlagerfunktion und die Funktion der Rastnase übernimmt, obgleich er ein und dasselbe Stück der Rastfeder ist. Alternativ ist es aber auch möglich, den Widerlagerschenkel, ausgehend von der Zone seiner Anbindung an dem Halteschenkel im wesentlichen geradlinig, also ohne Übergangsabschnitt verlaufen zu lassen.The abutment leg preferably forms an oblique shape the straight section uplifting transition section into a extending substantially along the straight section End section merges. This end section serves to deal with its To support the outer surface on an inner surface of the socket housing, whereas its marginal edge delimits the inner surface Grips behind the lead. This is a particularly reliable form and Design of the abutment leg, which is also the Abutment function and the function of the detent takes over, although he is one and the same piece of the detent spring. Alternatively, it is possible the abutment leg, starting from the zone of its Connection to the holding leg is essentially straight, that is, without Let the transition section run.

Schließlich sieht die Erfindung vor, dass ein über die Anbindungszone des Übergangsabschnitts am geraden Abschnitt des Widerlagerschenkels hinausragender Einsteckabschnitt in einen Aufnahmeschlitz des Fassungsgehäuses eingreift.Finally, the invention provides that one over the Connection zone of the transition section on the straight section of the Abutment leg protruding insertion section into one Receiving slot of the socket housing engages.

Im übrigen versteht sich die Erfindung am besten anhand der nachfolgenden Beschreibung einerseits des in Bezug genommenen Standes der Technik und andererseits eines bevorzugten Ausführungsbeispiels der Erfindung. In den Zeichnungen zeigen:

Fig. 1
einen Längsschnitt durch eine Lampenfassung mit davor schematisch dargestelltem Sockel einer nicht gezeigten Lampe vor dem Einstecken des Sockels in die Fassung,
Fig. 2
eine der Fig. 1 entsprechende Darstellung während des Einsteckens des Lampensockels in die Fassung,
Fig. 3
eine den Fig. 1 und 2 entsprechende Darstellung mit in Betriebsposition eingestecktem und in der Fassung festgehaltenem Lampensockel,
Fig. 4
eine gegenüber den Fig. 1 bis 3 vergrößert dargestellte Seitenansicht der Rastfeder,
Fig. 5
eine Stirnansicht der Rastfeder entsprechend dem Ansichtspfeil V in Fig. 4,
Fig. 6
eine Seitenansicht der Rastfeder nach Fig. 5 entsprechend dem Ansichtspfeil VI in Fig. 4,
Fig. 7
eine perspektivische Ansicht der Rastfeder entsprechend den Fig. 4 bis 6,
Fig. 8
eine Aufsicht auf den zur Herstellung der Rastfeder benötigten Blechstreifen nach dem Einschneiden des Bereichs für den Widerlagerschenkel, jedoch vor der Verformung,
Fig. 9
eine Fig. 1 entsprechende Schnittdarstellung einer herkömmlichen Lampenfassung,
Fig. 10
eine Fig. 4 entsprechende Seitenansicht der bekannten Rastfeder,
Fig. 11
eine Fig. 7 entsprechende perspektivische Ansicht der bekannten Rastfeder und
Fig. 12
eine maßstabsgetreu wiedergegebene Aufsicht entsprechend Fig. 8 auf einen Blechzuschnitt zur Herstellung der vorbekannten Rastfeder.
Otherwise, the invention is best understood on the basis of the following description, on the one hand, of the prior art referred to and, on the other hand, of a preferred exemplary embodiment of the invention. The drawings show:
Fig. 1
2 shows a longitudinal section through a lamp holder with a base of a lamp, not shown, shown schematically in front of it, before the base is inserted into the holder,
Fig. 2
1 corresponding representation of the insertion of the lamp base into the socket,
Fig. 3
1 and 2 corresponding representation with the lamp base inserted in the operating position and held in the socket,
Fig. 4
1 to 3 enlarged side view of the detent spring,
Fig. 5
3 shows an end view of the detent spring in accordance with the arrow V in FIG. 4,
Fig. 6
5 according to the view arrow VI in Fig. 4,
Fig. 7
a perspective view of the detent spring corresponding to FIGS. 4 to 6,
Fig. 8
a view of the sheet metal strip required for producing the detent spring after the area for the abutment leg has been cut, but before the deformation,
Fig. 9
1 corresponding sectional view of a conventional lamp holder,
Fig. 10
4 corresponding side view of the known detent spring,
Fig. 11
a Fig. 7 corresponding perspective view of the known detent spring and
Fig. 12
8 shows a scale representation corresponding to FIG. 8 of a sheet metal blank for the production of the known detent spring.

Am leichtesten versteht sich die Erfindung auf der Grundlage des in den Fig. 9 bis 12 dargestellten Standes der Technik.The invention is most easily understood on the basis of the in 9 to 12 shown prior art.

Dort ist in Fig. 9 mit 10 eine Lampenfassung insgesamt bezeichnet, deren aus Isolierstoff bestehendes Fassungsgehäuse 11 an einander diametral gegenüberliegenden Seiten zur nicht dargestellten Lampe hin offene Einstecktaschen 12 für jeweils eine Rastfeder 13 aufweist. Jede Rastfeder 13 gliedert sich in einen Halteschenkel 14 und einen sich an eine mit 15 bezeichnete, etwa 180° betragende Umbiegung anschließenden Widerlagerschenkel 16. Dieser Widerlagerschenkel 16 stützt sich mit einer Außenfläche 16a nahe seinem freien Ende 16b an einer Innenfläche 11a des Fassungsgehäuses 11 ab. Weiterhin ist, seinem freien Ende benachbart, mittels eines U-förmigen Einschnitts 17 (Fig. 12) eine widerhaken- sowie zungenartige Rastnase 18 ausgestellt. Sie greift in der Betriebslage der Rastfeder 13 in einen Fassungskörperausschnitt 19 ein, so dass ihr freies Ende 18a gegen eine Rückhaltefläche 20 des Fassungsgehäuses 11 gerichtet ist. Dadurch ist es unmöglich, die Rastfeder 13 nach dem Einsetzen in das Fassungsgehäuse 11 unbeabsichtigt aus ihrer darin gesicherten Position herauszuziehen.There, in FIG. 9, 10 denotes a lamp socket overall, whose socket housing 11 made of insulating material to each other diametrically opposite sides towards the lamp, not shown has open pockets 12 for a detent spring 13 each. Each Latch spring 13 is divided into a holding leg 14 and one a bend designated 15, about 180 ° subsequent abutment leg 16. This abutment leg 16 is supported with an outer surface 16a near its free end 16b from an inner surface 11a of the socket housing 11. Furthermore, adjacent to its free end by means of a U-shaped incision 17 (Fig. 12) issued a barb and tongue-like latch 18. It engages in the operating position of the detent spring 13 in one Socket body cutout 19, so that its free end 18a against one Retaining surface 20 of the socket housing 11 is directed. This is it impossible to insert the detent spring 13 after inserting it into the Socket housing 11 unintentionally from its secured position pull out.

Der Halteschenkel 14 der Rastfeder 13 besitzt jeweils eine ausgebogene Schulter 21, die zum Angriff an einer entsprechenden Gegenfläche des in den Fig. 9 bis 12 nicht dargestellten Sockels 25 einer Lampe dient. Der Halteschenkel 14 kann, etwa mit bei 15 gelegener Biegeachse in Pfeilrichtung 22 federnd nachgeben, wenn ein Lampensockel 25 (Fig. 1 bis 3) in die Lampenfassung 10 eingesteckt wird. In der endgültigen Betriebslage schnappen die Schultern 21 entgegen Pfeilrichtung 22 zurück in die den Lampensockel 25 halternde Betriebsposition.The holding leg 14 of the detent spring 13 each has one bent shoulder 21 to attack an appropriate Counter surface of the base 25, not shown in FIGS. 9 to 12 Lamp serves. The holding leg 14 can, for example, be located at 15 Bend the bending axis in the direction of arrow 22 resiliently if a Lamp base 25 (Fig. 1 to 3) is inserted into the lamp holder 10. In the final operating position, the shoulders 21 snap towards one another Arrow direction 22 back into the lamp base 25 holding Operating position.

Aus Vorstehendem wird deutlich, dass die Rastfeder 13 nach dem Stand der Technik mehrere Funktionselemente aufweist, nämlich den zum federnden Rastangriff am Lampensockel 25 bestimmten Halteschenkel 14 mit Schulter 21, einen sich innen in der Fassung abstützenden Widerlagerschenkel 16, und zwar im Anschluß an eine endseits des Halteschenkels 14 angebrachte U-förmige Umbiegung 15 sowie schließlich als weiteres und letztes Funktionselement die zungenartig aus dem Widerlagerschenkel 16 ausgeklinkte Rastnase 18.From the above it is clear that the detent spring 13 after the State of the art has several functional elements, namely that for resilient latching attack on the lamp base 25 specific holding leg 14 with shoulder 21, one that is supported on the inside in the socket Abutment leg 16, namely following one end of the holding leg 14 attached U-shaped bend 15 and finally as a further and last functional element the tongue-like from the Abutment leg 16 notched latch 18.

Ausgangsbasis für eine Rastfeder 13 dieser bekannten Art ist ein ebener Blechstreifen 23 der Länge L (Fig. 12). Hervorzuheben ist, dass die freie Kante 18a der Rastnase 18 vom freien Ende 23a des Zuschnitts 23 wegweist, der bei der fertigen Rastfeder 13 das freie Ende 14a des Halteschenkels 14 bildet. Die Kante 18a weist vielmehr zur unmittelbar benachbarten Zuschnittskante 23b, die bei der fertigen Rastfeder 13 das freie Ende des Widerlagerschenkels 16 bildet.Starting basis for a detent spring 13 of this known type is a flat sheet metal strip 23 of length L (Fig. 12). It should be emphasized that the free edge 18a of the latch 18 from the free end 23a of the blank 23 points away, the free end 14a of the finished detent spring 13 Holding leg 14 forms. Rather, the edge 18a faces directly adjacent cutting edge 23b, which in the finished detent spring 13 free end of the abutment leg 16 forms.

Die in den Fig. 1 bis 3 dargestellte Fassung 10 entsprechend der Erfindung weist Rastfedern 13 auf, deren Halteschenkel 14 wiederum eine ausgebogene Schulter 21 zum Angriff an Gegenflächen 24 eines Lampensockels 25 bereitstellen. Die Besonderheit aber besteht darin, dass der Widerlagerschenkel 16 in den Halteschenkel 14 integriert ist und selbst auch Rastnase ist.The version 10 shown in FIGS. 1 to 3 corresponding to the The invention has detent springs 13, the holding legs 14 of which are in turn one bent shoulder 21 for attacking counter surfaces 24 a Provide lamp base 25. The peculiarity is that the abutment leg 16 is integrated in the holding leg 14 and itself is also a latch.

Am besten zeigen die Fig. 5 bis 8 die Gestaltung dieser Rastfeder 13. Die Besonderheit besteht darin, dass aus dem relativ kurzen, geradlinigen Abschnitt der Haltefeder 14 eine längliche Federzunge 26 mit einem U-förmigen Schnitt 17 freigeschnitten ist, deren Anbindungsbereich 26a nahe dem der Schulter 21 abgewandten Ende 14b des Halteschenkels 14 angeordnet ist. Entsprechend weist das freie Ende 26b der Zunge 26 beim noch nicht verformten Blechstreifen nach Fig. 8 zur entfernteren Schmalkante 14a des Blechzuschnitts 23, wobei die Kante 14a dem freien Ende des Halteschenkels 14 jenseits der Schulter 21 entspricht.5 to 8 best show the design of this detent spring 13. The peculiarity is that from the relatively short, rectilinear section of the retaining spring 14 with an elongated spring tongue 26 a U-shaped cut 17 is cut free, the connection area 26a near the end 14b of the holding leg facing away from the shoulder 21 14 is arranged. Accordingly, the free end 26b of the Tongue 26 for the not yet deformed sheet metal strip according to FIG. 8 distant narrow edge 14a of sheet metal blank 23, the edge 14a the free end of the holding leg 14 beyond the shoulder 21 corresponds.

Die Zunge 26 wird so verformt, dass ein Übergangsabschnitt 27 schräg von dem geradlinigen Abschnitt der Haltefeder 14 wegsteht und ein freier Endabschnitt mittels Widerlagerschenkel 16 im wesentlichen zum freien Ende 14a des Halteschenkels 14 bzw. längs zu diesem verlaufend abgebogen wird. Diese Konfiguration ist insbesondere aus den Fig. 4 bis 7 sehr deutlich ersichtlich. Diese zeigen auch, wie geschickt es erfindungsgemäß gelungen ist, den Widerlagerschenkel 16 in den Halteschenkel 14 zu integrieren. Die Rastfeder 13 entsprechend der Erfindung kennt keine Umbiegung 15 und keinen sich daran anschließenden verlängerten Widerlagerabschnitt 16. Ausgangsbasis für die Rastfeder 13 ist der ebene Blechzuschnitt 23 entsprechend Fig. 8 mit einer Länge I, die erheblich geringer und nur etwas länger als die Hälfte der Länge L des bekannten Zuschnitts 23 nach Fig. 12 ist.The tongue 26 is deformed such that a transition section 27 protrudes obliquely from the rectilinear portion of the retaining spring 14 and a free end portion by means of abutment legs 16 essentially to the free end 14a of the holding leg 14 or along this is turned continuously. This configuration is particularly from the 4 to 7 can be seen very clearly. These also show how clever it is has succeeded according to the invention, the abutment leg 16 in the Integrate support leg 14. The detent spring 13 corresponding to the Invention knows no bend 15 and no one subsequent extended abutment section 16. Starting basis for the detent spring 13 is the flat sheet metal blank 23 according to FIG. 8 with a length I that is considerably shorter and only slightly longer than half the length L of the known blank 23 according to FIG. 12.

Aufgrund der anhand der Fig. 4 bis 7 beschriebenen Bauform und räumlichen Gestaltung der Rastfeder 13 versteht sich nunmehr unter Bezugnahme auf die Fig. 1 bis 3 deren Anordnung in der Fassung 10 ohne weiteres.Due to the design described with reference to FIGS. 4 to 7 and spatial design of the detent spring 13 is now understood to be 1 to 3, their arrangement in the version 10 just like that.

Im Fassungsgehäuse 11 sind schlitzartige, zum Lampensockel 25 hin offene Schlitzaufnahmen 28 vorgesehen, in die die Endabschnitte 14b der Halteschenkel 14 mit ihrer Stirnseite voran eingesteckt werden. Nicht gezeigt sind nutartige Führungen im Fassungsgehäuse 11 zur Führung und Halterung seitlicher Randbereiche 14c der Halteschenkel 14.In the socket housing 11 are slit-like to the lamp base 25 open slot receptacles 28 are provided, in which the end portions 14b the holding leg 14 are inserted with their end face first. Not groove-like guides are shown in the socket housing 11 for guidance and holding lateral edge regions 14c of the holding legs 14.

Ferner sind an der Innenseite des Fassungsgehäuses 14 kleine Rastleisten 29 vorgesehen, hinter die nach dem Einstecken in der Betriebsposition die Widerlagerschenkel 26 einschnappen können. Die freien Kanten 16b der Widerlagerschenkel 16 übernehmen somit im Zusammenwirken mit den Leisten 29 die Funktion der bisher gesondert ausgeformten Rastnasen 18.Furthermore, 14 are small on the inside of the socket housing Locking strips 29 are provided, behind which after insertion in the Operating position can snap the abutment legs 26. The Free edges 16b of the abutment legs 16 thus take over Interact with the strips 29, the function of the previously separate molded latches 18.

Claims (7)

Fassung (10) für Lampen, insbesondere für Kompakt-Leuchtstofflampen mit Sockeln (25) der Typen G23, G24 oder 2G11 sowie für Halogenlampen mit Sockeln (25) der Typen G12 oder PG12, mit einem Fassungsgehäuse (11) aus Isolierstoff, welches elektrische Anschlußkontakte und mindestens eine Rastfeder (13) zur mechanischen Halterung der in die Fassung (10) eingesteckten Lampe aufweist, wobei die aus einem ebenen Blechstreifen (23) geformte Rastfeder (13) einen mit einer ausgebogenen Schulter (21) am Lampensockel (25) angreifenden federnden Halteschenkel (14), einen sich dem gegenüber im Fassungskörper (11) abstützenden Widerlagerschenkel (16) sowie eine widerhakenartige Rastnase aufweist, die die Rastfeder (13) entgegen einer von Seiten der Lampe ausgeübten Zugkraft unverlierbar im Fassungsgehäuse (11) festhält, dadurch gekennzeichnet, dass der Widerlagerschenkel (16) aus dem Halteschenkel (14) ausgeformt und selbst zugleich auch Rastnase ist.Socket (10) for lamps, in particular for compact fluorescent lamps with bases (25) of types G23, G24 or 2G11 and for halogen lamps with bases (25) of types G12 or PG12, with a socket housing (11) made of insulating material, which has electrical connection contacts and has at least one detent spring (13) for mechanically holding the lamp inserted into the socket (10), the detent spring (13) formed from a flat sheet metal strip (23) having a resilient one which engages the lamp base (25) with a bent shoulder (21) Holding leg (14), which has an abutment leg (16) supporting in the lampholder body (11) and a barb-like latching lug which captively holds the latching spring (13) against a tensile force exerted by the lamp in the lampholder housing (11), characterized in that that the abutment leg (16) is formed from the holding leg (14) and is itself also a latching lug. Fassung nach Anspruch 1, dadurch gekennzeichnet, dass der Widerlagerschenkel (16) aus dem ebenen Blechstreifen (23) freigeschnitten und derart ausgestellt ist, dass sein freies Ende (16b) zu dem Ende des Halteschenkels (14) weist, an dem sich die ausgebogene Schulter (21) befindet.Socket according to claim 1, characterized in that the Abutment leg (16) from the flat sheet metal strip (23) is cut out and issued in such a way that its free end (16b) is closed the end of the holding leg (14) at which the bent out Shoulder (21). Fassung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Rastfeder (13) einen im wesentlichen geraden Abschnitt aufweist, aus dem der Widerlagerschenkel (16) ausgeschnitten ist und an den sich zum einen Ende hin die ausgebogene Schulter (21) anschließt.Socket according to claim 1 or 2, characterized in that the detent spring (13) has a substantially straight section which the abutment leg (16) is cut out and to the one end connects to the bent shoulder (21). Fassung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass der Widerlagerschenkel (16) sich im wesentlichen geradlinig sowie unter einem spitzen Winkel schräg zum geraden Abschnitt des Halteschenkels (14) erstreckt. Socket according to claim 2 or 3, characterized in that the abutment leg (16) is substantially straight and below at an acute angle to the straight section of the holding leg (14) extends. Fassung nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass der Widerlagerschenkel (16) einen sich schräg aus dem geraden Abschnitt erhebenden Übergangsabschnitt (27) ausbildet, der in einen sich zum geraden Abschnitt in der Montagelage im wesentlichen parallel erstreckenden Endabschnitt übergeht.Socket according to claim 2 or 3, characterized in that the abutment leg (16) obliquely from the straight Section uplifting transition section (27) which forms a essentially parallel to the straight section in the assembly position extending end portion merges. Fassung nach Anspruch 5, dadurch gekennzeichnet, dass der Endabschnitt des Widerlagerschenkels (16) mit seiner Außenfläche (16a) an einer Innenfläche des Fassungsgehäuses (11) abgestützt ist und seine Randkante (16b) einen die Innenfläche begrenzenden Vorsprung (29) hintergreift.Socket according to claim 5, characterized in that the end portion of the abutment leg (16) with its outer surface (16a) is supported on an inner surface of the socket housing (11) and its edge (16b) has a projection that delimits the inner surface (29) engages behind. Fassung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass ein über die Anbindungszone (26a) des Übergangsabschnitts (27) am geraden Abschnitt des Widerlagerschenkels (16) hinausragender Einsteckabschnitt (14b) in einen Aufnahmeschlitz (28) des Fassungsgehäuses (11) eingreift.Socket according to one of the preceding claims, characterized characterized in that a via the connection zone (26a) of the Transitional section (27) on the straight section of the abutment leg (16) projecting insertion section (14b) into a receiving slot (28) of the socket housing (11) engages.
EP00125664A 1999-12-07 2000-11-23 Lamp socket Expired - Lifetime EP1107395B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19958841 1999-12-07
DE19958841A DE19958841A1 (en) 1999-12-07 1999-12-07 Lamp holder

Publications (3)

Publication Number Publication Date
EP1107395A2 true EP1107395A2 (en) 2001-06-13
EP1107395A3 EP1107395A3 (en) 2002-05-15
EP1107395B1 EP1107395B1 (en) 2003-07-23

Family

ID=7931648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00125664A Expired - Lifetime EP1107395B1 (en) 1999-12-07 2000-11-23 Lamp socket

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US (1) US6340310B2 (en)
EP (1) EP1107395B1 (en)
AT (1) ATE245859T1 (en)
DE (2) DE19958841A1 (en)
ES (1) ES2201991T3 (en)

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Also Published As

Publication number Publication date
EP1107395B1 (en) 2003-07-23
ATE245859T1 (en) 2003-08-15
ES2201991T3 (en) 2004-04-01
US6340310B2 (en) 2002-01-22
EP1107395A3 (en) 2002-05-15
DE50002981D1 (en) 2003-08-28
DE19958841A1 (en) 2001-06-21
US20010003072A1 (en) 2001-06-07

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