EP2132766A1 - Lampensockel mit kunststoffsockelteil - Google Patents
Lampensockel mit kunststoffsockelteilInfo
- Publication number
- EP2132766A1 EP2132766A1 EP08735529A EP08735529A EP2132766A1 EP 2132766 A1 EP2132766 A1 EP 2132766A1 EP 08735529 A EP08735529 A EP 08735529A EP 08735529 A EP08735529 A EP 08735529A EP 2132766 A1 EP2132766 A1 EP 2132766A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lamp
- lamp base
- hollow cylinder
- base part
- axial
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
- H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap
Definitions
- the invention is based on a lamp base with a plastic base part, in which preferably halogen lamps for vehicle headlights can be used.
- a lamp base which has a plastic base part with a circular disk-shaped portion on which an axial spring is located. Radially inside the axial spring, a first metal sleeve is anchored in the plastic base part, to which a second metal sleeve with spring tabs on the axial spring opposite respective reference tabs can be applied. In this second metal sleeve, a fixing ring is used for receiving the sealed end of the lamp vessel.
- a first metal sleeve is introduced into the circular disk-shaped portion of the provided with the axial spring plastic base part on which reference tabs are already provided.
- a second metal sleeve with the reference tabs of the first metal sleeve associated tabs can be applied.
- the first and second metal sleeves are connected together.
- the object of the present invention is to provide a lamp pens socket with a plastic base part, which has a smaller number of components and is simplified in the production.
- a lamp cap is provided with a plastic base part on which a hollow cylinder section is integrally formed whose outer periphery can be used, at least in sections, as a contact surface with a fastening recess for the lamp base.
- the lamp base preferably has an axial spring, which is arranged outside the outer circumference of the hollow cylinder portion.
- this axial spring By means of this axial spring, the lamp base can be held securely in a fastening recess, for example in a vehicle headlight.
- the hollow cylinder section at least one axial recess for receiving an associated
- the reference tab is formed on a reference sleeve which can be inserted into the plastic base part.
- a fixing ring for the lamp vessel can be used in the reference sleeve and thus ensure a secure and positionally accurate attachment of the lamp on the plastic base part on the reference sleeve.
- the hollow cylinder section has three axial recesses, which due to the lower number of necessary reference straps, a simple insertion into a mounting recess can be ensured.
- the reference sleeve can be fastened to the plastic base part by a high-frequency process or by an armature via at least one fixation strap extending in the axial direction of the reference sleeve and integrally formed therewith.
- a radial spring is received in the hollow cylinder section.
- the hollow cylinder section can serve for supporting the radial spring and the manufacturing process can be further simplified.
- the radial spring is preferably attached to the plastic base part reference sleeve and axial spring between a reference tab of the reference sleeve and the axial spring on Lamp socket arranged. This ensures a secure hold in both the axial and radial directions.
- FIG. 1 is a perspective view of the lamp cap with plastic base part, axial spring, radial spring and reference sleeve according to the present invention
- FIG. 2 shows the plastic base part with axial spring and radial spring from FIG. 1, and FIG.
- Fig. 3 shows the reference sleeve for a lamp cap according to the present invention.
- FIG. 1 shows a lamp base 1 according to the present invention, which has a plastic base part 2, an axial spring 4, a radial spring 6 and a reference sleeve 8.
- the plastic base part 2 is preferably formed as an injection molded part and has a circular disk-shaped portion 10 shown in Figure 1 in plan view. At this circular disk-shaped portion 10, a hollow cylinder portion 12 is integrally formed to the side from which the lamp vessel is provided in the lamp base.
- the diameter of the hollow cylinder section 12 is smaller than the outer diameter of the circular disk-shaped abutment.
- the axial spring 4 is attached to the plastic base part 2 between the outer periphery of the circular disk-shaped portion 10 and the hollow cylinder portion 12.
- the axial spring 4 is clawed by means of several, not shown in the figures, claws in the plastic material of the circular disc-shaped portion 10 radially outside of the hollow cylinder portion 12.
- the axial spring 4 is designed as a circular disk with a surface running perpendicular to the ring axis.
- the ring axis of the axial spring is arranged coaxially to the ring axis of the circular disk-shaped portion 10, and the outer diameter of the axial spring 4 substantially coincides with the outer diameter of the circular disk-shaped portion 10.
- Three equidistant spring tabs 14a, 14b, 14c are integrally formed on the axial spring 4, by means of which a pressing of the lamp cap can be converted, for example, to a reflector of a vehicle headlight.
- Axial recesses are provided on the surface of the circular disk-shaped section 10 which is distributed equidistantly in the circumferential direction to accommodate the respective spring tongue in the case of a lamp base attached to the reflector, the axial recess 16a associated with the spring tongue 14a being reproduced by way of example in FIG.
- a closure element 20 is inserted into the space between the webs 18a, 18b and serves both to close the recess between the webs and as a handle for inserting the lamp in a mounting opening, such as a vehicle headlamp.
- hollow cylinder section 12 and reference sleeve 8 will be described with additional reference to FIGS. 2 and 3.
- FIG. 2 shows the hollow cylinder section without applied reference sleeve 8.
- the hollow cylinder section 12 has on its front side three Axialaus strictly adopted 22a, 22b, 22c, whose dimensions in the circumferential direction to the dimensions of three reference tabs, of which only the two reference tabs 24a, 24b Fig. 3 can be seen, the reference sleeve 8 are adjusted.
- annular recess 26 the dimension of which is adapted to the annular section 28 of the reference sleeve 8, is introduced into the hollow cylinder section 12 from its front side. This refers to both the diameter and the wall thickness of the ring portion 28th
- the reference tabs 24a, 24b and another reference tab not shown in Figure 3 are formed.
- an annular portion 30 formed with reduced inner and outer diameter for receiving a fixing ring, not shown in the figures for receiving the lamp vessel.
- the annular portion 28 of the reference sleeve 8 is provided with three fixing tabs, of which the fixing tabs 32a and 32b are shown in FIG.
- the fixing lugs 32a, 32b extend in the axial direction of the reference sleeve and can be perforated, for example, so that fixation by high frequency in the hollow cylinder section 12 can take place, or can be fir-tree-like, for easier insertion into the annular recess 26 in the hollow cylinder section 12 to enable.
- the axial recess 22a is, as shown in Figure 2, continued by a recess 34, in which the radial spring 6 supported on the hollow cylinder portion 12 is inserted.
- a recess 34 in which the radial spring 6 supported on the hollow cylinder portion 12 is inserted.
- edge portions of the mounting recess of the headlight can be held between the spring tongue 14a and the reference tongue 24a, while stably holding the lamp base in radial direction. tion is supported by the radial spring 6.
- the lamp base can be inserted into the mounting opening of the headlight reflector and fixed in the manner of a bayonet closure by a quarter turn about the longitudinal axis of the lamp in the mounting hole.
- the present invention can be dispensed with a metallic reference ring and the function be perceived by the material of the plastic base part in the region of the hollow cylinder portion.
- the hollow cylinder section 12 is integrally molded onto the plastic base part 2.
- the reference tabs 24a, 24b are provided on the reference sleeve 8 punching technology.
- the present invention minimizes the individual components in lamp sockets, in particular for halogen incandescent lamps in vehicle headlights.
- a lamp base with a plastic base part on which a hollow cylinder portion is integrally formed the outer circumference at least partially usable as a contact surface with a Befest Trentsausneh tion for the lamp base, outside of the outer circumference of the hollow cylinder portion may be arranged an axial spring through which the Lamp base is securely preserved in the mounting recess.
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710015924 DE102007015924A1 (de) | 2007-04-02 | 2007-04-02 | Lampensockel mit Kunststoffsockelteil |
PCT/EP2008/053662 WO2008119740A1 (de) | 2007-04-02 | 2008-03-27 | Lampensockel mit kunststoffsockelteil |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2132766A1 true EP2132766A1 (de) | 2009-12-16 |
Family
ID=39432802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08735529A Ceased EP2132766A1 (de) | 2007-04-02 | 2008-03-27 | Lampensockel mit kunststoffsockelteil |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2132766A1 (de) |
DE (1) | DE102007015924A1 (de) |
WO (1) | WO2008119740A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010029508A1 (de) * | 2010-05-31 | 2011-12-01 | Osram Gesellschaft mit beschränkter Haftung | Lampe für Fahrzeugscheinwerfer |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2124930C3 (de) * | 1971-05-19 | 1980-05-29 | Robert Bosch Gmbh, 7000 Stuttgart | Glühlampenfassung, insbesondere für Kraftfahrzeug-Leuchten |
US4769574A (en) | 1986-08-04 | 1988-09-06 | Koito Seisakusho Co., Ltd. | Incandescent lamp with a metal coupling to a plastic lamp base for automotive headlamp and like lighting applications |
JPH10188603A (ja) * | 1996-12-20 | 1998-07-21 | Koito Mfg Co Ltd | 車輌用灯具におけるバルブ取付構造 |
DE202006002888U1 (de) | 2006-02-21 | 2006-05-04 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Lampensockel und Lampe mit einem Lampensockel |
-
2007
- 2007-04-02 DE DE200710015924 patent/DE102007015924A1/de not_active Withdrawn
-
2008
- 2008-03-27 WO PCT/EP2008/053662 patent/WO2008119740A1/de active Application Filing
- 2008-03-27 EP EP08735529A patent/EP2132766A1/de not_active Ceased
Non-Patent Citations (1)
Title |
---|
See references of WO2008119740A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102007015924A1 (de) | 2008-10-09 |
WO2008119740A1 (de) | 2008-10-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20090805 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR |
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DAX | Request for extension of the european patent (deleted) | ||
17Q | First examination report despatched |
Effective date: 20110907 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM AG |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM GMBH |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: OSRAM GMBH |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R003 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
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18R | Application refused |
Effective date: 20160917 |