EP0141021B1 - Douille pour lampe à incandescence - Google Patents

Douille pour lampe à incandescence Download PDF

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Publication number
EP0141021B1
EP0141021B1 EP19840106902 EP84106902A EP0141021B1 EP 0141021 B1 EP0141021 B1 EP 0141021B1 EP 19840106902 EP19840106902 EP 19840106902 EP 84106902 A EP84106902 A EP 84106902A EP 0141021 B1 EP0141021 B1 EP 0141021B1
Authority
EP
European Patent Office
Prior art keywords
holder
lamp
jogs
socket
dome
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
Application number
EP19840106902
Other languages
German (de)
English (en)
Other versions
EP0141021A3 (en
EP0141021A2 (fr
Inventor
Alfred Bothe
Dieter Dipl.-Ing. Henrici
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 EP0141021A2 publication Critical patent/EP0141021A2/fr
Publication of EP0141021A3 publication Critical patent/EP0141021A3/de
Application granted granted Critical
Publication of EP0141021B1 publication Critical patent/EP0141021B1/fr
Expired 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, consisting of a one-piece socket body designed as a plastic injection-molded part with preferably screwless conductor connection and lamp contact springs embedded therein, with an internal thread for screw mounting of the lamp and an external thread for mounting e.g. a screw ring are formed, wherein the conductor insertion openings opening into the ceiling of the lampholder body provided with screw fastening openings are flanked by web strips, the free end face ends of which end in a common plane parallel to the ceiling and, if necessary, in the ceiling area on opposite sides of the lampholder for engaging latching hooks the socket body of detachable socket dome are arranged.
  • Such a bulb holder of dimension E 27 is known from the prior use by the applicant.
  • Such a version preferably made of poly-butylene glycol terephthalate (PBTB)
  • PBTB poly-butylene glycol terephthalate
  • the known version essentially has a cylindrical jacket which is provided with an external thread over its own entire length and the length of the socket body.
  • a lampholder spanning the incandescent lamp socket can engage in these incisions, with its latching tongues protruding freely in the axial direction.
  • the ceiling of the socket extends approximately flush with the upper edge of the bulb socket.
  • Two spaced-apart screw fastening openings are made in it and offset from each other in a paired arrangement of conductor insertion openings.
  • a web strip arrangement is provided on the outside of the ceiling, which on the one hand surrounds or flanks the screw fastening openings and on the other hand the conductor insertion openings.
  • the free ends of these webs lie in a plane parallel to the ceiling and thus form a support for a screw-on surface.
  • the known version can be attached to such a surface directly with the aid of two screws penetrating the screw fastening openings from the inside of the version, e.g. inside a bowl-shaped lamp housing made of wood, for example.
  • the conductors can be fed into the conductor insertion openings in a direction approximately parallel to the socket ceiling, into which they then plunge parallel to the socket. It is also possible to provide an opening in alignment with the area of the conductor insertion openings on the light side and to conduct the conductors there in a straight line.
  • Another possibility of fastening is given by the use of the lampholder, which can be attached to a lamp bracket or a lamp tube, for example, and has a central opening for the passage of the connecting conductors. With this dome, which is then fastened on the light side, the socket can be releasably plugged in.
  • the known version despite its undeniable advantages, in particular with regard to its multiple attachment options, is relatively expensive, since its outer thread is drawn from the lamp screw-in side to the ceiling, although a further jacket is arranged inside the jacket.
  • the invention is based on the object, starting from the known and outlined in the preamble of claim 1 bulb holder in a clever manner, while at the same time saving material, in such a way that it has other or additional fastening options and enables the connecting conductors to be guided more cheaply.
  • the invention achieves this object in that the external thread extends only over a lamp-side section of the lampholder body, which in a section below the lampholder body cover has an outer diameter that is tapered compared to the externally threaded section, in that the lampholder cover is designed as a thin-walled flange that has at least two over the circumference has distributed notches which are open towards the flange edge and arranged adjacent to the conductor insertion openings, and that the web strips form a channel which is open towards the notches.
  • the invention is limited to reducing its use only by providing a shorter external thread section on the socket jacket in the vicinity of the rope screw-in opening. This is based on the knowledge that the new version should primarily be suitable as an installation version in existing luminaire bodies, reflectors or the like, and that consequently an external thread section extending up to the version ceiling is dispensable. This measure alone can, for example, save a third of the material used for its casing, based on the previously known version.
  • the thin-walled flange provided in the ceiling area also referred to as the “collar”, offers several advantages in its marked version, despite the low material consumption.
  • the notches provided in the vicinity of the conductor insertion openings of the incandescent lamp holder enable the conductors to be laid essentially one or more times in an S or Z shape from their light entry to the contact springs.
  • This multiply deflected conductor routing achieves a strain relief in the simplest way, which can also be achieved with the appropriate routing
  • Conductor inevitably also results in strain relief devices, such as clamps, clamps, screws or the like, which are not to be actuated in particular.
  • the notches on the flange side still have one.
  • a mounting bracket such as the bottom of a lamp reflector, can also be used as the “lamp plate”.
  • the flange then serves as an abutment for the grip tabs and its peripheral edge serves as a centering support.
  • the incandescent lamp holder designed in this way thus has an additional possibility of attaching the bayonet-type plug-in coupling and, using the same means, the possibility of a simple strain-relieved connecting conductor guide.
  • a further development of the invention consists in that the notches each have at least one partial section, the gap width of which is smaller than the diameter of an insulated conductor.
  • the conductor can be squeezed into notches of this size with partial elastic deformation of its jacket, which results in a further increase in the strain relief.
  • the latching lugs for the socket dome are flanked by web strips which are arranged on the socket and on the notches and circumferentially offset to the notches over a length corresponding to the length of the socket-side latching hooks.
  • the screw fastening openings in the socket ceiling are advantageously surrounded by sleeve-shaped collars, which leave a clamping gap for a connecting wire between their outside and adjacent web strips.
  • cable reliefs are created, which are particularly suitable for lampholder arrangements which require a conductor routing on the outside of the lampholder or make it appear expedient.
  • a particularly favorable form of the web strips is characterized in that they are divided into four, each V-shaped webs, the successive two legs of which run parallel to one another in the circumferential direction, such that two parallel legs of two V-webs each have a channel between them form, with each channel in the circumferential direction alternately a screw fastening opening and at least one conductor insertion opening is assigned.
  • the notches (for the conductor guide and the bayonet-type fastening on a socket carrier) are expediently arranged at the end of each channel having the conductor insertion opening, while at the end of the channels having the screw fastening openings, the latching lugs are arranged in the material thickness of the latching hooks on the base, corresponding to correspondingly deep notches.
  • the web strips end at a distance from the flange edge and approximately on a common circular line whose center lies in the longitudinal axis of the frame.
  • the edges of the web strips pointing outward in the circumferential direction thus form an effective centering aid when inserting the mount on the ceiling into a cutout of a mount support, in particular a sheet metal having the means for the bayonet-type fastening.
  • the frame designated by 10 consists of a one-piece and one-piece plastic body 11 made in particular of PBTB.
  • the socket body 11 is essentially divided into four successive zones in the direction of the longitudinal axis 12.
  • an external thread section 13 is first arranged, the axial length of which is approximately a quarter of the total length of the socket body corresponds.
  • a smooth-faced cylindrical section 14 which has the internal thread for the lamp base on the inside.
  • a locking lug 20 is injection molded on the shell side in close association with a notch 19 of the flange 17. This is used for the plug-in coupling with resiliently expandable latching hooks 21 of a socket dome D, with which the socket body 11 can be detachably plug-in.
  • the mutually facing inner surfaces of the webs 15 serve to secure the position of the dome-side latching hooks 21.
  • the web strips 22 On the outside or top of the ceiling 18 of the socket body 11, four right-angled V-shaped web strips 22 which are perpendicular to the base surface are provided. As can be seen from FIG. 1, the web strips 22 each form four channels 23, 23 'and 24 and 24' assigned to the diameters of the frame cover 18 which are perpendicular to one another, of which the channels 23 and 23 'on the one hand and the channels 24 and 24 'on the other hand are in alignment with each other.
  • connection contact springs for the conductors are arranged in the interior of the socket body 11 and - in mostly one-piece assignment - the contact tabs for the lamp base.
  • a gap 28 which is narrower than the outer diameter of an insulated conductor. The gap 28 thus serves as a clamping gap for a conductor and provides its strain relief when the conductor is to be led through the channel 23 or 23 'to the conductor insertion openings 25.
  • the flange 17 In the circumferential direction, each offset by 90 ° to the notches 19 for the engagement of the latching hooks 21 of the dome D, the flange 17 each has a further notch 29.
  • This serves on the one hand for fastening the socket body 11 by means of a bayonet-type plug connection to a lamp support plate, which will be explained later is described.
  • a notch 29 is used to guide a conductor emerging from a socket insertion opening 25 on the outside outside of the socket body by means of a Z-shaped or S-shaped bend under the flange and, if necessary, to clamp it in the notch 29.
  • the notch 29 is assigned a narrowed section 30, which in the exemplary embodiment is designed as a jacket slot 31. A conductor can be clamped in this jacket slot 31.
  • the socket 10 can be fastened using the socket dome D.
  • This has an opening 33 on the top side, which is generally provided with an internal thread 34.
  • the socket D can be screwed to a lamp support tube or other lamp parts in this way.
  • the opening 33 also serves for the passage of the two connection conductors. After these have been inserted into the conductor insertion openings 25 and coupled to the contact terminals, the socket body 11 is latched with the permanently installed socket dome D.
  • a second possibility of fastening the socket body 11 is to screw it onto a fastening surface using the fastening openings 26.
  • the free end edges or surfaces of the web strips 22 and / or the sleeve-shaped collar 27 serve as a mounting system.
  • Such a type of fastening is shown schematically in FIG. 2 without the screws penetrating the openings 26 from the inside of the holder.
  • the part labeled 35 can e.g. be a pot-shaped lamp component made of wood.
  • the multiple deflection of the conductor concerned serves as strain relief for the conductors 36 and 37, in particular the deflection over the edge region of the flange 17 which delimits the notch 29.
  • the conductor arrangement clamped in the jacket slot 31 also occurs.
  • Fig. 3 illustrates another possibility of attaching the same frame to a thin support plate 41 or the like could also be, for example, the bottom of an essentially pot-shaped lamp reflector.
  • the support plate 41 has an approximately circular cutout 42 with two diametrically opposed notches 43, the tabs producing the notches being deformed into catch hooks or under-grip hooks 44.
  • Each catch hook 44 is connected via a web 45 to the edge of the notch 43, while a free leg 46 which is angled at approximately 90 ° is bent back approximately parallel to the support plate plane 41.
  • the diameter of the circular sheet metal cutout 42 is smaller by approximately the protrusion of the flange 17 over the jacket of the section 16, on the other hand approximately so large that the essentially radially outward-pointing edges 22 'of the web strips 22 can engage therein in a centering manner. If the holder body 11 is placed against the support plate 41 from the sheet metal side which has the hooks 44, the legs 46 can engage in the notches 29 on the flange side. If the socket body is then rotated about its longitudinal axis relative to the support plate 41, the hook legs 26 underpin the flange and hold the socket firmly. Of course, the distance between the groove formed between the leg 46 and the underside of the sheet approximately corresponds to the flange thickness.
  • tongues 47 which are slightly bent out on one side are cut into the luminaire plate and each insert with their free edges 48 into the notch 29 when these are screwed into the area of the tongues 47. In this way, securing against turning back of the socket relative to the light plate 41 is ensured.
  • the conductor guide can be easily in the manner shown, e.g. uses the channel 23 and presses the two conductors 36 and 37 into the conductor clamping grooves on both sides of the sleeve web 27.
  • a conductor guidance for example of the type shown in FIG. 2 and described using this type, is also possible, or a direct conductor feed from the top of the socket.

Landscapes

  • Fastening Of Light Sources Or Lamp Holders (AREA)

Claims (8)

1. Douille de lampe à incandescence formée d'un corps de douille d'une seule pièce (11) conçu sous forme de pièce de matière synthétique moulée par injection avec ressorts de raccordement de conducteur et de contact de lampe, de préférence sans vis, enrobés dans le corps, un filetage intérieur étant formé sur le corps de douille pour retenir la lampe par vissage et un filetage extérieur pour retenir par exemple une bague de vissage, les ouvertures d'insertion de conducteur (25) qui débouchent dans le toit (18), muni de perforations de fixation de vis, du corps de douille (11 ), étant flanquées de lattes d'âme (22) dont les bords frontaux terminaux libres se terminent dans un plan commun parallèle au toit, des crans (20) étant éventuellement disposés à peu près dans la région de toit, sur des côtés opposés entre eux de la paroi latérale de douille, pour l'adaptation de crochets d'arrêt (21) d'un dôme de douille (D) pouvant s'accoupler au corps de douille (11), caractérisée par le fait que le filetage extérieur s'étend seulement sur une partie (13) du corps de douille (11), du côté de la lampe, qui présente, dans une partie (14, 16) située en dessous du toit (18) du corps de douille, un diamètre extérieur réduit, que le toit de la douille (18) est conçu sous la forme d'un rebord à paroi mince (17) qui présente au moins deux encoches (29), disposées de façon répartie sur la périphérie, ouvertes vers le bord du rebord et voisines des ouvertures d'insertion de conducteur (25) et que les lattes d'âme (22) constituent un canal (par exemple 24) ouvert en directions des encoches (29).
2. Douille de lampe à incandescence selon la revendications 1, caractérisée par le fait que les encoches (29) présentent chacune au moins une partie (30) dont la largeur de fente est plus petite que le diamètre d'un conducteur isolé (36,37).
3. Douille de lampe à incandescence selon la revendication 2, caractérisée par le fait que dans le rebord (17) sont prévues deux encoches diamétralement opposées (29, 30) dont les parties rétrécies (30) sont constituées par des entailles (31 ) de la paroi latérale de douille.
4. Douille de lampe à incandescence selon la revendication 1, caractérisée par le fait que les becs d'arrêt (20) destinés au dôme de douille (D) sont flanqués de deuxièmes lattes d'âme (15) qui, sur une longueur correspondant à la longueur du crochet d'arrêt (21 ) prévu sur le dôme, sont disposées sur la paroi latérale de douille dans la direction longitudinale de celle-ci et avec décalage circonférentiel par rapport aux encoches (29).
5. Douille de lampe à incandescence selon la revendication 1, caractérisée par le fait que les perforations de fixation de vis (26) sont entourées dans le toit de douille (18) par des collets en forme de douille (27) qui ménagent, entre leur côté extérieur et des lattes d'âme adjacentes (22), une fente de blocage (28) pour un conducteur (36, 37).
6. Douille de lampe à incandescence selon l'une des revendications 1 à 5, caractérisée par le fait que les premières lattes d'âme (22) sont divisées en quatre âmes, chacune en V, dont les deux ailes se succédant en direction périphérique sont dirigées parallèlement entre elles, de telle sorte que deux ailes parallèles de deux âmes en V forment chaque fois entre elles les canaux (23; 23'; 24; 24'), une perforation de fixation de vis (26) et au moins une ouverture d'insertion de conducteur (25) étant adjointes alternativement à chaque canal en direction périphérique.
7. Douille de lampe à incandescence selon la revendication 6, caractérisée par le fait que les encoches (29) sont disposées du côté de l'extrémité de chaque canal (24; 24') présentant l'ouverture d'insertion de conducteur (25) et que, du côté de l'extrémité des canaux (23; 23') présentant les perforations de fixation de vis (26), les becs d'arrêt (20) destinés à la retenue du dôme (D) sont disposés dans des encoches particulières (19) dont la profondeur correspond à peu près à l'épaisseur de matière des crochets d'arrêt (21 ) prévus sur le dôme.
8. Douille de lampe à incandescence selon l'une des revendications 1 à 7, caractérisée par le fait que les lattes d'âme (22) se terminent à distance du bord (17) du rebord et à peu près sur une circonférence commune dont le centre est situé dans l'axe longitudinal (12) de la douille.
EP19840106902 1983-08-16 1984-06-16 Douille pour lampe à incandescence Expired EP0141021B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833329475 DE3329475C1 (de) 1983-08-16 1983-08-16 Gluehlampenfassung
DE3329475 1983-08-16

Publications (3)

Publication Number Publication Date
EP0141021A2 EP0141021A2 (fr) 1985-05-15
EP0141021A3 EP0141021A3 (en) 1986-09-03
EP0141021B1 true EP0141021B1 (fr) 1987-10-28

Family

ID=6206613

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840106902 Expired EP0141021B1 (fr) 1983-08-16 1984-06-16 Douille pour lampe à incandescence

Country Status (2)

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EP (1) EP0141021B1 (fr)
DE (1) DE3329475C1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2623028B1 (fr) * 1987-11-10 1992-12-04 Claude Sa Boitier de raccordement pour luminaire
DE4100026A1 (de) * 1991-01-03 1992-07-09 Hurst & Schroeder Gmbh Herdleuchte
DE4343883C1 (de) * 1993-12-22 1995-07-06 Broekelmann Jaeger & Busse Glühlampenfassung
DE4343884C1 (de) * 1993-12-22 1995-07-06 Broekelmann Jaeger & Busse Glühlampenfassung
DE29618637U1 (de) * 1996-10-25 1998-02-26 Metalluk Bauscher Gmbh & Co Kg, 96050 Bamberg Lampenfassung mit Führungsdurchgang
JP3777034B2 (ja) 1997-12-11 2006-05-24 株式会社小糸製作所 放電ランプ装置用絶縁プラグ
DE19805258C2 (de) * 1998-02-10 2002-07-11 Walter Holzer Lampenfassung
FR2775837B1 (fr) * 1998-03-05 2000-06-02 Legrand Sa Douille pour ampoule electrique
ITFI20040219A1 (it) * 2004-10-27 2005-01-27 Belisario Pini Ancoraggio per corpi di portalampada
RU2485651C1 (ru) * 2012-02-09 2013-06-20 Юлия Алексеевна Щепочкина Цоколь электроламповый
RU2713513C1 (ru) * 2019-10-04 2020-02-05 Михаил Александрович Качанов Осветительное устройство-защёлка (варианты)
CN111578166B (zh) * 2020-06-28 2024-06-07 桂林海威科技股份有限公司 一种连环卡扣式led景观荷花灯及其组装方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR780331A (fr) * 1933-09-18 1935-04-23 Douille porte-lampe pour ampoules électriques
FR48132E (fr) * 1937-02-08 1937-10-25 Douille porte-lampe pour ampoules électriques
DE1664172U (de) * 1953-08-12 1953-10-01 Rudolf Zimmermann O H G Gluehlampenfassung.
DE2714922B2 (de) * 1977-04-02 1979-04-19 Broekelmann, Jaeger & Busse Gmbh & Co, 5760 Arnsberg Elektrische Glühlampenfassung

Also Published As

Publication number Publication date
DE3329475C1 (de) 1985-02-07
EP0141021A3 (en) 1986-09-03
EP0141021A2 (fr) 1985-05-15

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