EP0660463B1 - Glühlampenfassung - Google Patents

Glühlampenfassung Download PDF

Info

Publication number
EP0660463B1
EP0660463B1 EP94118655A EP94118655A EP0660463B1 EP 0660463 B1 EP0660463 B1 EP 0660463B1 EP 94118655 A EP94118655 A EP 94118655A EP 94118655 A EP94118655 A EP 94118655A EP 0660463 B1 EP0660463 B1 EP 0660463B1
Authority
EP
European Patent Office
Prior art keywords
lamp
socket
incandescent
section
end block
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.)
Expired - Lifetime
Application number
EP94118655A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0660463A1 (de
Inventor
Dieter Dipl.-Ing. Henrici
Karl-Wilhelm Vogt
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
Broekelmann Jaeger and Busse GmbH and Co
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 Broekelmann Jaeger and Busse GmbH and Co filed Critical Broekelmann Jaeger and Busse GmbH and Co
Publication of EP0660463A1 publication Critical patent/EP0660463A1/de
Application granted granted Critical
Publication of EP0660463B1 publication Critical patent/EP0660463B1/de
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
    • H01R33/00—Coupling 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
    • H01R33/05—Two-pole devices
    • H01R33/22—Two-pole devices for screw type base, e.g. for lamp

Definitions

  • the invention relates to an incandescent lamp socket, essentially consisting of a one-piece socket body designed as a plastic injection-molded part with preferably screwless conductor connection terminals and lamp contact tongues arranged therein, an internal thread for screw-mounting a lamp being formed in the socket body, the lamp-side end of the socket body following one Socket body section with an essentially circular-cylindrical circumference has a possibly threaded collar for connecting a reflector or lampshade and the conductor connection terminals are arranged centrally in the socket end region pointing away from the lamp.
  • the invention is therefore based on an incandescent lamp holder, as described for example in DE 33 29 475 C1.
  • the known version has proven extremely successful, especially because ten years ago it was able to significantly reduce the material required for the frame body compared to previously known frames. Under certain operating conditions, however, it has been shown that the forces exerted by the lamp base on the contact area, in particular under the influence of the high temperatures that occur during operation, can lead to the fact that the rear socket body cover, which has the conductor insertion openings, can bulge despite its stiffening ribbing. It then behaves similarly to a bulging membrane.
  • the present invention is essentially based on the object of specifying an E 27 incandescent lamp holder of the type required, in which such contact problems can no longer occur.
  • the invention solves this problem essentially and primarily in that the conductor terminals and lamp contact tongues are arranged in a narrow-rectangular assembly block arranged remote from the lamp of the cylindrical socket body section, the width of which, in cross section, is considerably smaller than the diameter of the cylindrical socket body section and in that the Longitudinal sides of the assembly block are connected to the cylindrical frame body section via conically tapering transition sections.
  • a substantially likewise cylindrical further section extends to the end of the holder body, which is provided with outwardly projecting ribs and a flange on the top, so the bulb holder according to the invention has one in this area tapered indentation that merges into the assembly block at least in some areas.
  • the effect observed leads to the fact that in numerous cases the line temperature does not exceed 90 ° C., so that normal PVC connecting lines can be used, while before Special cables or cables equipped with special, higher-quality cable sheaths (e.g. silicone hoses) were required.
  • Special cables or cables equipped with special, higher-quality cable sheaths e.g. silicone hoses
  • the light bulb socket designated overall by 10 in FIG. 1, an Edison socket of dimension E 27, essentially consists of a socket body 11 made of insulating material, in particular thermoplastic material. Starting from the lamp side, the holder body 11 initially has a collar 12 which, in the exemplary embodiment, is provided on the outside with a screw thread 13 for fastening a reflector, not shown. This is followed by a circular cylindrical section 14 with a smooth outer surface, which ends remote from the lamp at a narrow, stiffening and approximately 1 mm deep heel step 15, which is followed by a conical or conical section 16.
  • the conductor connection terminals and lamp contact tongues which establish the electrical connection between the power conductors (27 in FIG. 7) and the lamp 24, are located in a mounting block 17 which - as can clearly be seen in FIG. 1 - has a narrow rectangular cross section.
  • the transverse width 18 of the mounting block 17 is considerably narrower than the diameter of the cylindrical socket body section 14 and is only about a third thereof.
  • the transverse length 19 of the building block 17 corresponds approximately to this diameter.
  • Coupling means 20 for snap-on connecting pieces such as socket domes, socket holders, lamp bodies or the like are injection molded onto the narrow outer sides of the mounting block 17.
  • the narrow rectangular connector block 17, which goes without saying with the other socket body parts injection molded in one piece, sits crosswise on the conical transition 16, so that a parabolic transition edge 21 corresponding to the geometrical penetration of the smooth side walls of the construction block 17 through the conical body 16 and a transition section 16 on each of the two long sides of the construction block 17, 16 'arise.
  • an internal thread 23 of size E 27 for screw fastening of the lamp base is arranged in the interior of the socket body 11 in the region of the externally cylindrical socket body section 14.
  • the conical indentation 16, 16 'with a tip angle of approximately 90 ° largely corresponds to the taper of the base end of the incandescent lamp 24, ie its approximate course between the end of the thread 34 and the center contact 35.
  • the socket body 11 thus optimally approaches the lamp geometry and makes a significant contribution to saving material.
  • FIG. 3 and 7 show in particular that due to the described and illustrated design of the socket body 11 within a space 25 enclosing the socket body (for example the interior of a lamp body 29 shown in broken lines) in front of both the long sides of the building block 17 considerable free spaces, which, as the left half of FIG. 7 shows, can be used for laying the network conductor 27.
  • radiant heat can escape in the area of the bevels 16, 16 ', so that the assembly block 17 is thermally relieved (fault is indicated by arrows 36).
  • the coupling means 20 mentioned at the beginning on the socket body 11 serve for latching with resilient latching tongues or hooks 37 of a socket dome 38 as a holder for the socket 10.
  • a socket dome 38 as a holder for the socket 10.
  • it has a screw thread 28 for connection to trimmed tube or the like. It is important that the latching coupling between the socket dome 38 and the lamp socket 10 is designed such that it not only acts in the axial direction, but also reliably prevents the parts which are connected to one another from being rotated relative to one another.
  • the main part of the socket dome 38 is essentially cylindrical and is kept relatively short. This creates a kind of chimney 40 for the entry of relatively cool outside air. In addition, this configuration favors the laying of lines 27 to the connection terminals. Fig. 7 clearly illustrates both.
  • FIGS. 3 and 4 or FIGS. 7 and 8 A joint examination of FIGS. 3 and 4 or FIGS. 7 and 8 reveals that forces acting from the lamp base in the axial direction cannot strike walls which can be warped in the manner of a membrane.

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
EP94118655A 1993-12-22 1994-11-28 Glühlampenfassung Expired - Lifetime EP0660463B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4343884 1993-12-22
DE4343884A DE4343884C1 (de) 1993-12-22 1993-12-22 Glühlampenfassung

Publications (2)

Publication Number Publication Date
EP0660463A1 EP0660463A1 (de) 1995-06-28
EP0660463B1 true EP0660463B1 (de) 1996-04-10

Family

ID=6505804

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94118655A Expired - Lifetime EP0660463B1 (de) 1993-12-22 1994-11-28 Glühlampenfassung

Country Status (5)

Country Link
EP (1) EP0660463B1 (da)
AT (1) ATE136696T1 (da)
DE (2) DE4343884C1 (da)
DK (1) DK0660463T3 (da)
ES (1) ES2087787T3 (da)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2714922B2 (de) * 1977-04-02 1979-04-19 Broekelmann, Jaeger & Busse Gmbh & Co, 5760 Arnsberg Elektrische Glühlampenfassung
US4257664A (en) * 1979-03-08 1981-03-24 Eagle Electric Mfg. Co., Inc. Screw socket for an electric lamp
DE3329475C1 (de) * 1983-08-16 1985-02-07 Brökelmann, Jaeger & Busse GmbH & Co, 5760 Arnsberg Gluehlampenfassung
DE8323973U1 (de) * 1983-08-20 1983-12-15 Brökelmann, Jaeger & Busse GmbH & Co, 5760 Arnsberg Glühlampenfassung
DE8800994U1 (de) * 1988-01-28 1988-03-10 Brökelmann, Jaeger & Busse GmbH & Co, 5760 Arnsberg Lampenfassung
US4911656A (en) * 1989-04-12 1990-03-27 Yu Kuang Shih Socket assembly for electric lamps

Also Published As

Publication number Publication date
ES2087787T3 (es) 1996-07-16
ATE136696T1 (de) 1996-04-15
DE4343884C1 (de) 1995-07-06
DK0660463T3 (da) 1996-05-06
DE59400193D1 (de) 1996-05-15
EP0660463A1 (de) 1995-06-28

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