EP1116254B1 - Electric lamp - Google Patents
Electric lamp Download PDFInfo
- Publication number
- EP1116254B1 EP1116254B1 EP00956064A EP00956064A EP1116254B1 EP 1116254 B1 EP1116254 B1 EP 1116254B1 EP 00956064 A EP00956064 A EP 00956064A EP 00956064 A EP00956064 A EP 00956064A EP 1116254 B1 EP1116254 B1 EP 1116254B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electric lamp
- spring
- limb
- lamp according
- base
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
- F21S43/10—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by the light source
- F21S43/19—Attachment of light sources or lamp holders
Definitions
- the invention relates to an electric lamp according to the preamble of the claim 1.
- These are, in particular, incandescent lamps for use in the automotive sector, especially headlight lamps.
- EP-A-1 034 560 an electric lamp is already known which can be used both as a flashing light or brake light in the rear area, but also as a flashing light in the headlight.
- the lamp uses a plastic base with V-shaped mounting tabs that hold a pin-like Form socket or plug part.
- the base has two resilient tabs and each with a locking lug a mounting ring rotatably mounted around its ring axis.
- a spring wire is advantageous in a first embodiment used, which is bent into a clip, with the wire ends in the plastic wall of the base.
- a spring plate is used, which is designed as a stamped and bent part is.
- the electric lamp according to the invention has one enclosed by a lamp bulb Illuminant (filament or discharge arc), a lamp base, in which the lamp bulb is attached, and electrical base contacts as well Power supplies for the power supply of the lamp.
- a lamp bulb Illuminant filament or discharge arc
- a lamp base in which the lamp bulb is attached
- electrical base contacts as well Power supplies for the power supply of the lamp.
- the base consists of a truncated cone-like upper part, which is the lamp base (usually implemented as a pinch), and a lower part attached to it, that partially protrudes from the circumference of the top and in the area of the protrusion has two locking mechanisms for fastening in the reflector.
- the locking mechanisms each consist of an external, inward dexterous latch, which is an integral part of the lower part and one of the Locking nose opposite and interacting with it metal spring in the Lower part is attached.
- the metal spring is suitable in a recess on Snap the reflector into place while the locking lug serves to lock the metal spring to unlock again.
- the aforementioned features allow the lamp to be easily assembled in one Neck reflector (or other fastener).
- the lock can be easily and reliably solved again.
- the lamp is placed in the reflector Reference plane inserted. Then another force must be exerted on them
- Protrusions of the base are applied to deform the springs and bring about the locking in recesses of the reflector neck. Thereby lies always force on the spring that holds the lamp in the reflector.
- the base advantageously has a recess on the underside for receiving a pin-like socket part or plug part. This makes it suitable the lamp according to the invention for mounting on a plug Lamp socket.
- the present invention relates to an electric lamp which is a Axis A defined, with a bulb containing a lamp and with a Base in which the piston is fixed and which is provided with external contacts, and with at least two power leads that connect the illuminant to the contacts connect electrically conductive.
- the base is in an upper part that holds the piston supports, and an essentially circular cylindrical lower part for external attachment articulated, with the lower part protruding from the upper part and the protrusion as Locking mechanism is designed for external attachment.
- the locking mechanism consists of an external, inward-facing locking lug, which is an integral part of the lower part, and one opposite the locking lug and with it cooperating metal spring, which is fixed in the lower part.
- the metal spring is suitable for snapping into a recess on the reflector, while the locking lug is suitable for this locking of the metal spring again to unlock.
- the locking lug advantageously has a radially inward projection is connected to a base part via two slopes.
- the metal spring consists of a with the lower part of the base connected by an anchor means holding part and formed from two legs spring part, the holding part at least partially is arranged transversely to the lamp axis.
- a first short leg is on the holding part molded and a second long leg is acute at the free end of the first Leg set so that it runs approximately parallel to the lamp axis.
- the metal spring is a spring plate executed with a flat base plate transverse to the lamp axis as a holding part and a V-shaped spring part formed from two legs, a first short Leg attaches to the base plate and is inclined to the base plate. On second long leg starts at an acute angle on the first leg and pierces the level of the base plate so that it is again aligned approximately parallel to the lamp axis is.
- the anchor means can be realized through holes in the base plate his.
- the metal spring is a piece of spring wire executed
- the holding part a base part approximately transversely to the lamp axis has and
- the anchor part is an extension of the base part, which attaches to the base part and is aligned parallel to the lamp axis, with the short leg around is bent back more than 120 °, in particular by about 180 °, on the base part.
- P refers the long leg is attached laterally to the short leg, especially with a crank. This has the advantage that the travel is extended and also a stabilizing part between symmetrical first legs better can be attached.
- the functional reliability and reliability is further increased in that the two first legs of the symmetrical spring wire piece via a stabilizing part are interconnected.
- an electric lamp is shown according to a first embodiment.
- This lamp has a lamp bulb 1 (closed on one side) Toughened glass or quartz glass), from which (see Figure 2) closed with a pinch 2 Stand out at the end of two power leads 3 that are electrically conductive a luminous element 4 arranged inside the lamp bulb 1 are.
- the luminous element 4 defines a vertical lamp axis A.
- the pinch 2 the piston 1 is fixed in a base 6 made of plastic. It consists of a truncated cone-like upper part 7 and an attached, essentially circular cylindrical lower part 5.
- the base 6 has at the top of the Lamp bulb 1 facing upper part 7 an upper recess 8 in which the end 2 of the lamp bulb is fixed.
- the lower part 5 has a on its underside lower recess 9 for receiving a pin-like socket or plug part.
- a pin-like socket or plug part In the recess 9 are two spade-shaped electrical contact tabs 10 arranged. These contacts establish the electrical connection between the plug (not shown) and the power supplies 3.
- This Lamp can be used universally in motor vehicles. It can be used both as a flashing light in a headlight of the motor vehicle as well as a flashing light or Brake light lamp can be mounted in a rear light of the motor vehicle.
- the upper part and the lower part of the base can be integrally formed from a workpiece be or be divided into two separate parts.
- the lamp is preferably installed in a lamp equipped with a reflector 11 Headlights (see Figure 2b). To mount the lamp in the rear Reflector opening 12 of a motor vehicle headlight, the lamp is first in the upper recess 8 of the base attached.
- the lower part 5 has on two opposite sides Handle part 13, which protrudes clearly against the upper part 7.
- These two handles 13 each form a locking mechanism for attachment to the reflector, more precisely an annular collar 15, the two opposite, for example has rectangular recesses 14 (see Figure 2b).
- the collar is 15 molded or attached to the reflector neck 16.
- the recesses 14 cooperate the locking mechanism of the base to form a detachable connection.
- the locking mechanism consists of a radially outer locking lug 20 (FIG 2b) with an axially parallel base part 21, which attaches to the lower part, and a radially inward projection 22 at the free end of the base part, which is connected to the base part 21 via two bevels 23.
- the locking lug 20 acts with a metal spring 24 made of spring sheet metal opposite it together. It consists of a flat holding part 25 ( Figure 3), the outside has two wings 26 with holes 27. The latter serve as anchor means of attachment on the underside of the lower part, for example by ultrasonic welding, in the softened plastic material penetrates the holes 27.
- a first short leg 28 of a spring part is formed on the holding part 25, but from the plane of the holding part down, from Piston is gone, is bent out.
- the angle of inclination is approximately 30 °.
- a second long leg 29 is formed at an acute angle on the free end of the first leg. It penetrates the level of the holding part and extends approximately (slightly later inclined outside) parallel to the lamp axis towards the bulb.
- At the free end of the A radially outward projection 30 is formed on the second leg is approximately spaced apart from the projection 22 of the locking lug 20. Prefers the projection 30 is bent back to the second leg 29 (see FIG. 3b).
- the lamp is placed on the collar 15 of the reflector and axially inserted into the opening of the reflector.
- the two metal springs snap into place 24 with its projection 30 in the recess 14 of the collar.
- This latching can be released again by the two latches 20 on the outside be pushed inwards.
- the projections 30 are again on the Recess 14 solved.
- the catch 20 becomes caught in the recess 14 prevented by their spring force, since the latch spring back out again.
- the bevel 23 facilitates the springing back of the locking lug 20.
- the metal spring is a piece of spring wire 31. It is constructed symmetrically from two halves.
- the holding part is a section consisting of a base part lying approximately in the plane transverse to the lamp axis 32 and an anchor part 33 bent by about 90 ° to it, which is in the wall of the lower part 5 is accommodated in an axially parallel bore.
- the base part 32 is the better spring action because of about 10 ° against the level of the bottom of the Lower part inclined.
- a short leg 34 attached to the base part is opposed by 140 ° the base part 32 is bent back to approximately the same length and ends in a long one Leg 35, which is attached to the short leg so that it is in again extends approximately axially parallel towards the piston.
- the two long legs 35 are connected to one another via a connecting piece 37.
- Figures 5 and 6 is the piece of spring wire 31 shaped somewhat differently.
- the short leg attached to the base part 34 is bent back by 180 ° against the approximately equally long base part 32 and opens into a long leg 35, the short leg on a crank 36 is set so that it extends again approximately axially parallel towards the piston.
- the two long legs 35 are connected to one another via a connecting piece 37 connected.
- This arc piece 38 is approximately parallel to Level of the short leg arranged.
- the ends 40 of the spring steel strip are bent around the short legs 34.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Connecting Device With Holders (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Glass Compositions (AREA)
- Liquid Developers In Electrophotography (AREA)
Abstract
Description
Die Erfindung betrifft eine Elektrische Lampe gemäß dem Oberbegriff des Anspruchs
1. Es handelt sich dabei insbesondere um Glühlampen für die Anwendung
im Kfz-Bereich, insbesondere Scheinwerferlampen.The invention relates to an electric lamp according to the preamble of the
Aus der EP-A-1 034 560 ist bereits eine Elektrische Lampe bekannt, die sich zur Anwendung sowohl als Blinklicht oder Bremslicht im Heckbereich, aber auch als Blinklicht im Frontscheinwerfer eignet. Die Lampe verwendet einen Sockel aus Kunststoff mit V-artig angeformten Befestigungslaschen, die eine Aufnahme für ein zapfenartiges Fassungs- oder Steckerteil bilden.From EP-A-1 034 560 an electric lamp is already known which can be used both as a flashing light or brake light in the rear area, but also as a flashing light in the headlight. The lamp uses a plastic base with V-shaped mounting tabs that hold a pin-like Form socket or plug part.
Eine Weiterentwicklung dieser Lampe ist in der EP-A-0 989 591 beschrieben. Der Sockel besitzt zwei federnde, mit jeweils einer Rastnase versehene Laschen und einen drehbar um seine Ringachse gelagerten Befestigungsring.A further development of this lamp is described in EP-A-0 989 591. The The base has two resilient tabs and each with a locking lug a mounting ring rotatably mounted around its ring axis.
Es ist Aufgabe der vorliegenden Erfindung, eine elektrische Lampe gemäß dem
Oberbegriff des Anspruchs 1 bereitzustellen, die eine einfache und leicht wieder
lösbare Verbindung schafft, und die zuverlässig über eine lange Lebensdauer funktioniert.
Es ist eine weitere Aufgabe der Erfindung, eine elektrische Lampe mit einem
verbesserten Lampensockel bereitzustellen, der eine einfache Montage der
Lampe in der Lampenfassung ermöglicht.It is an object of the present invention to provide an electric lamp according to the
Provide preamble of
Diese Aufgabe wird durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.
Besonders vorteilhafte Ausgestaltungen finden sich in den abhängigen Ansprüchen. This object is achieved by the characterizing features of
Ursprüngliche Versuche, den Sockel der Lampe ganz aus Kunststoff zu fertigen, haben sich nicht bewährt, da die Wirkung eines Rastmechanismus aus Kunststoff mit der Zeit nachläßt. Daher wurde dieser Rastmechanismus mit Hilfe einer Metallfeder verbessert. Vorteilhaft wird in einer ersten Ausführungsform ein Federdraht verwendet, der zu einem Clip gebogen ist, wobei die Drahtenden in die Kunststoffwandung des Sockels eingelassen sind. In einer weiteren besonders bevorzugten Ausführungsform wird ein Federblech verwendet, das als Stanz-Biegeteil ausgeführt ist.Original attempts to make the base of the lamp entirely of plastic, have not proven themselves as the effect of a locking mechanism made of plastic wears off over time. Therefore, this locking mechanism was made using a metal spring improved. A spring wire is advantageous in a first embodiment used, which is bent into a clip, with the wire ends in the plastic wall of the base. In another particularly preferred Embodiment, a spring plate is used, which is designed as a stamped and bent part is.
Die erfindungsgemäße elektrische Lampe besitzt ein von einem Lampenkolben umschlossenes Leuchtmittel (Leuchtkörper oder Entladungsbogen), einen Lampensokkel, in dem der Lampenkolben befestigt ist, und elektrische Sockelkontakte sowie Stromzuführungen zur Stromversorgung des Leuchtmittels.The electric lamp according to the invention has one enclosed by a lamp bulb Illuminant (filament or discharge arc), a lamp base, in which the lamp bulb is attached, and electrical base contacts as well Power supplies for the power supply of the lamp.
Der Sockel besteht aus einem kegelstumpfähnlichen Oberteil, das den Lampenfuß (meist als Quetschung ausgeführt) umschließt, und einem daran befestigten Unterteil, das am Umfang des Oberteils teilweise übersteht und im Bereich des Überstands zwei Rastmechanismen zur Befestigung im Reflektor aufweist.The base consists of a truncated cone-like upper part, which is the lamp base (usually implemented as a pinch), and a lower part attached to it, that partially protrudes from the circumference of the top and in the area of the protrusion has two locking mechanisms for fastening in the reflector.
Die Rastmechanismen bestehen jeweils aus einer außen befindlichen, nach innen gewandten Rastnase, die integraler Bestandteil des Unterteils ist und einer der Rastnase gegenüberstehenden und mit ihr zusammenwirkenden Metallfeder, die im Unterteil befestigt ist. Die Metallfeder ist dafür geeignet, in einer Aussparung am Reflektor einzurasten, während die Rastnase dazu dient, diese Verrastung der Metallfeder wieder zu entriegeln.The locking mechanisms each consist of an external, inward dexterous latch, which is an integral part of the lower part and one of the Locking nose opposite and interacting with it metal spring in the Lower part is attached. The metal spring is suitable in a recess on Snap the reflector into place while the locking lug serves to lock the metal spring to unlock again.
Die vorgenannten Merkmale erlauben eine einfache Montage der Lampe in einem Reflektor mit Hals (oder einem anderen Befestigungsmittel). Die Arretierung kann leicht und zuverlässig wieder gelöst werden. Die Lampe wird in den Reflektor bis zur Referenzebene eingeschoben. Danach muß noch eine weitere Kraft auf die beiden Überstände des Sockels aufgebracht werden, um die Federn zu deformieren und die Verrastung in Ausnehmungen des Reflektorhalses herbeizuführen. Dadurch liegt an der Feder immer Kraft an, die die Lampe im Reflektor hält.The aforementioned features allow the lamp to be easily assembled in one Neck reflector (or other fastener). The lock can can be easily and reliably solved again. The lamp is placed in the reflector Reference plane inserted. Then another force must be exerted on them Protrusions of the base are applied to deform the springs and bring about the locking in recesses of the reflector neck. Thereby lies always force on the spring that holds the lamp in the reflector.
Zusätzlich besitzt der Sockel vorteilhaft an der Unterseite eine Aussparung zur Aufnahme eines zapfenartiges Fassungsteiles oder Steckerteils. Dadurch eignet sich die erfindungsgemäße Lampe zur Montage an einer als Stecker ausgebildeten Lampenfassung.In addition, the base advantageously has a recess on the underside for receiving a pin-like socket part or plug part. This makes it suitable the lamp according to the invention for mounting on a plug Lamp socket.
Im einzelnen betrifft die vorliegende Erfindung eine elektrische Lampe, die eine Achse A definiert, mit einem Kolben, der ein Leuchtmittel enthält, sowie mit einem Sockel, in dem der Kolben fixiert ist und der mit äußeren Kontakten versehen ist, sowie mit mindestens zwei Stromzuführungen, die das Leuchtmittel mit den Kontakten elektrisch leitend verbinden. Der Sockel ist in ein Oberteil, das den Kolben haltert, und ein im wesentlichen kreiszylindrisches Unterteil zur externen Befestigung gegliedert, wobei das Unterteil am Oberteil übersteht und der Überstand als Rastmechanismus für die externe Befestigung ausgebildet ist. Der Rastmechanismus besteht jeweils aus einer außen befindlichen, nach innen gewandten Rastnase, die integraler Bestandteil des Unterteils ist, und einer der Rastnase gegenüberstehenden und mit ihr zusammenwirkenden Metallfeder, die im Unterteil befestigt ist. Die Metallfeder ist dafür geeignet, in einer Aussparung am Reflektor einzurasten, während die Rastnase dazu geeignet ist, diese Verrastung der Metallfeder wieder zu entriegeln.More specifically, the present invention relates to an electric lamp which is a Axis A defined, with a bulb containing a lamp and with a Base in which the piston is fixed and which is provided with external contacts, and with at least two power leads that connect the illuminant to the contacts connect electrically conductive. The base is in an upper part that holds the piston supports, and an essentially circular cylindrical lower part for external attachment articulated, with the lower part protruding from the upper part and the protrusion as Locking mechanism is designed for external attachment. The locking mechanism consists of an external, inward-facing locking lug, which is an integral part of the lower part, and one opposite the locking lug and with it cooperating metal spring, which is fixed in the lower part. The metal spring is suitable for snapping into a recess on the reflector, while the locking lug is suitable for this locking of the metal spring again to unlock.
Die Rastnase besitzt vorteilhaft einen radial nach innen weisenden Vorsprung, der mit einem Basisteil über zwei Schrägen verbunden ist.The locking lug advantageously has a radially inward projection is connected to a base part via two slopes.
In einer besonders bevorzugten Ausführungsform besteht die Metallfeder aus einem mit dem Unterteil des Sockels über ein Ankermittel verbundenen Halteteil und einem aus zwei Schenkeln gebildeten Federteil, wobei das Halteteil zumindest teilweise quer zur Lampenachse angeordnet ist. Ein erster kurzer Schenkel ist am Halteteil angeformt und ein zweiter langer Schenkel ist spitzwinkelig am freien Ende des ersten Schenkels so angesetzt, daß er in etwa parallel zur Lampenachse verläuft.In a particularly preferred embodiment, the metal spring consists of a with the lower part of the base connected by an anchor means holding part and formed from two legs spring part, the holding part at least partially is arranged transversely to the lamp axis. A first short leg is on the holding part molded and a second long leg is acute at the free end of the first Leg set so that it runs approximately parallel to the lamp axis.
Insbesondere sitzt am freien Ende des zweiten Schenkels ein nach außen (von der Achse weg) zeigender Vorsprung, der in etwa dem Vorsprung der Rastnase gegenüberliegt, so daß die Entriegelung durch das Eindrücken des Vorsprungs der äußeren Rastnase in die Aussparung, in der der Vorsprung des zweiten Schenkels sitzt, vorgenommen wird.In particular, at the free end of the second leg sits an outward (from the Protrusion pointing away from the axis, which is approximately opposite the protrusion of the locking lug, so that the release by pressing in the projection of the outer Latch in the recess in which the projection of the second leg sits, is made.
in einer ersten Ausführungsform der Erfindung ist die Metallfeder als Federblech ausgeführt mit einer ebenen Grundplatte quer zur Lampenachse als Halteteil und einem V-förmig aus zwei Schenkeln gebildeten Federteil, wobei ein erster kurzer Schenkel an der Grundplatte ansetzt und gegenüber der Grundplatte geneigt ist. Ein zweiter langer Schenkel setzt spitzwinkelig am ersten Schenkel an und durchstößt die Ebene der Grundplatte so, daß er in etwa wieder parallel zur Lampenachse ausgerichtet ist. Das Ankermittel kann durch Bohrungen in der Grundplatte realisiert sein.In a first embodiment of the invention, the metal spring is a spring plate executed with a flat base plate transverse to the lamp axis as a holding part and a V-shaped spring part formed from two legs, a first short Leg attaches to the base plate and is inclined to the base plate. On second long leg starts at an acute angle on the first leg and pierces the level of the base plate so that it is again aligned approximately parallel to the lamp axis is. The anchor means can be realized through holes in the base plate his.
In einer zweiten Ausführungsform der Erfindung ist die Metallfeder als Federdrahtstück ausgeführt, wobei das Halteteil ein Basisteil in etwa quer zur Lampenachse besitzt und das Ankerteil eine Verlängerung des Basisteils ist, die am Basisteil ansetzt und parallel zur Lampenachse ausgerichtet ist, wobei der kurze Schenkel um mehr als 120°, insbesondere um etwa 180°, am Basisteil zurückgebogen ist. Bevorzugt ist der lange Schenkel am kurzen Schenkel seitlich angesetzt, insbesondere mit einer Kröpfung. Dies hat den Vorteil, daß der Federweg verlängert wird und außerdem ein Stabilisierungsteil zwischen symmetrischen ersten Schenkeln besser befestigt werden kann.In a second embodiment of the invention, the metal spring is a piece of spring wire executed, the holding part a base part approximately transversely to the lamp axis has and the anchor part is an extension of the base part, which attaches to the base part and is aligned parallel to the lamp axis, with the short leg around is bent back more than 120 °, in particular by about 180 °, on the base part. Prefers the long leg is attached laterally to the short leg, especially with a crank. This has the advantage that the travel is extended and also a stabilizing part between symmetrical first legs better can be attached.
Sehr gute Ergebnisse bei sparsamem Materialverbrauch werden mit einer Ausführungsform erzielt, bei der das Federdrahtstück symmetrisch aus zwei Hälften aufgebaut ist, dessen beide lange Schenkel über ein den Vorsprung ausbildendes Verbindungsstück miteinander verbunden sind. Eine besonders zuverlässige Verrastung wird erzielt, indem das Verbindungsstück ein zum zweiten Schenkel zurückgebogenes Bogenstück besitzt.Very good results with economical material consumption are achieved with one embodiment achieved, in which the spring wire piece is constructed symmetrically from two halves is, the two long legs via a connecting piece forming the projection are interconnected. A particularly reliable locking is achieved by the connection piece being bent back to the second leg Owns the bow piece.
Die Funktionssicherheit und Zuverlässigkeit wird dadurch weiter erhöht, daß die beiden ersten Schenkel des symmetrischen Federdrahtstücks über ein Stabilisierungsteil miteinander verbunden sind.The functional reliability and reliability is further increased in that the two first legs of the symmetrical spring wire piece via a stabilizing part are interconnected.
Im folgenden soll die Erfindung anhand mehrerer Ausführungsbeispiele näher erläutert werden. Es zeigen:
Figur 1- eine elektrische Lampe in Seitenansicht (Figur 1a) und um 90° gedreht (Figur 1b)
Figur 2- die Lampe aus
Figur 1 im Schnitt in Zusammenwirken mit einem Reflektor Figur 3- eine Ansicht des Sockels von unten (Figur 3a) und eine perspektivische Darstellung der Metallfeder (Figur 3b)
Figur 4- ein weiteres Ausführungsbeispiel eines Sockels mit Federdrahtstück in Draufsicht von unten (Figur 4a) und im Schnitt (Figur 4b)
Figur 5- eine perspektivische Darstellung der Metallfeder aus
Figur 4 Figur 6- eine perspektivische Darstellung des Sockels gemäß
Figur 4 von schräg oben (Figur 6a) bzw. von schräg unten (Figur 6b)
- Figure 1
- an electric lamp in side view (Figure 1a) and rotated by 90 ° (Figure 1b)
- Figure 2
- the lamp of Figure 1 in section in cooperation with a reflector
- Figure 3
- a view of the base from below (Figure 3a) and a perspective view of the metal spring (Figure 3b)
- Figure 4
- a further embodiment of a base with a piece of spring wire in plan view from below (Figure 4a) and in section (Figure 4b)
- Figure 5
- 3 shows a perspective illustration of the metal spring from FIG. 4
- Figure 6
- 3 shows a perspective view of the base according to FIG. 4 obliquely from above (FIG. 6a) or obliquely from below (FIG. 6b)
In Figur 1 ist eine elektrische Lampe gemäß einem ersten Ausführungsbeispiel abgebildet.
Diese Lampe besitzt einen einseitig verschlossenen Lampenkolben 1 (aus
Hartglas oder Quarzglas), aus dessen (siehe Figur 2) mit einer Quetschung 2 verschlossenen
Ende zwei Stromzuführungen 3 herausragen, die elektrisch leitend mit
einer innerhalb des Lampenkolbens 1 angeordneten Leuchtkörper 4 verbunden
sind. Der Leuchtkörper 4 definiert eine vertikale Lampenachse A. Die Quetschung 2
des Kolbens 1 ist in einem aus Kunststoff gefertigten Sockel 6 fixiert. Er besteht aus
einem kegelstumpfähnlichen Oberteil 7 und einem daran angesetzten, im wesentlichen
kreiszylindrischen Unterteil 5. Der Sockel 6 besitzt an der Oberseite des dem
Lampenkolben 1 zugewandten Oberteils 7 eine obere Aussparung 8, in der das Ende
2 des Lampenkolbens fixiert ist. Das Unterteil 5 besitzt an seiner Unterseite eine
untere Aussparung 9 zur Aufnahme eines zapfenartigen Fassungs- oder Steckerteils.
In der Aussparung 9 sind zwei spatenförmig ausgebildete elektrische Kontaktfahnen
10 angeordnet. Diese Kontakte stellen die elektrische Verbindung zwischen
dem Stecker (nicht abgebildet) und den Stromzuführungen 3 her.In Figure 1, an electric lamp is shown according to a first embodiment.
This lamp has a lamp bulb 1 (closed on one side)
Toughened glass or quartz glass), from which (see Figure 2) closed with a
Bei der Lampe gemäß dem oben beschriebenen, bevorzugten Ausführungsbeispiel handelt es sich um eine Bremslicht- oder Blinklichtlampe für ein Kraftfahrzeug. Diese Lampe ist universell im Kraftfahrzeug einsetzbar. Sie kann sowohl als Blinklichtlampe in einen Frontscheinwerfer des Kraftfahrzeugs als auch als Blinklicht- oder Bremslichtlampe in einer Heckleuchte des Kraftfahrzeuges montiert werden. In the lamp according to the preferred embodiment described above is a brake light or turn signal lamp for a motor vehicle. This Lamp can be used universally in motor vehicles. It can be used both as a flashing light in a headlight of the motor vehicle as well as a flashing light or Brake light lamp can be mounted in a rear light of the motor vehicle.
Das Oberteil und das Unterteil des Sockels kann integral aus einem Werkstück geformt sein oder auch in zwei separate Teile gegliedert sein.The upper part and the lower part of the base can be integrally formed from a workpiece be or be divided into two separate parts.
Bevorzugt erfolgt die Montage der Lampe in einem mit einem Reflektor 11 ausgestatteten
Scheinwerfer (siehe Figur 2b). Zur Montage der Lampe in der rückwärtigen
Reflektoröffnung 12 eines Kraftfahrzeugscheinwerfers wird die Lampe zunächst in
der oberen Aussparung 8 des Sockels befestigt.The lamp is preferably installed in a lamp equipped with a
Gemäß Figur 3a besitzt das Unterteil 5 an zwei gegenüberliegenden Seiten ein
Henkelteil 13, das deutlich gegen das Oberteil 7 übersteht. Diese beiden Henkel 13
bilden jeweils einen Rastmechanismus zur Befestigung am Reflektor, genauer an
einem ringförmigen Kragen 15, der zwei einander gegenüberliegende, beispielsweise
rechteckförmige Ausnehmungen 14 besitzt (siehe Figur 2b). Der Kragen 15 ist
am Reflektorhals 16 angeformt oder befestigt. Die Ausnehmungen 14 wirken mit
dem Rastmechanismus des Sockels zu einer lösbaren Verbindung zusammen.According to Figure 3a, the
Der Rastmechanismus besteht aus einer radial außenliegenden Rastnase 20 (Figur
2b) mit einem achsparallel angeordneten Basisteil 21, das am Unterteil ansetzt, und
einem radial nach innen weisenden Vorsprung 22 am freien Ende des Basisteils,
der über zwei Schrägen 23 mit dem Basisteil 21 verbunden ist.The locking mechanism consists of a radially outer locking lug 20 (FIG
2b) with an axially
Die Rastnase 20 wirkt mit einer ihr gegenüberstehenden Metallfeder 24 aus Federblech
zusammen. Sie besteht aus einem ebenen Halteteil 25 (Figur 3), das außen
zwei Flügel 26 mit Löchern 27 aufweist. Letztere dienen als Ankermittel der Befestigung
an der Unterseite des Unterteils, beispielsweise durch Ultraschallschweißen,
bei dem erweichtes Kunststoffmaterial die Bohrungen 27 durchdringt.The locking
Zwischen den Flügeln 26 sitzt ein erster kurzer Schenkel 28 eines Federteils, der
am Halteteil 25 angeformt ist, jedoch aus der Ebene des Halteteils nach unten, vom
Kolben weg, herausgebogen ist. Der Neigungswinkel beträgt etwa 30°. Ein zweiter
langer Schenkel 29 ist spitzwinkelig am freien Ende des ersten Schenkels angeformt.
Er durchstößt die Ebene des Halteteils und erstreckt sich in etwa (leicht nach
außen geneigt) parallel zur Lampenachse in Richtung Kolben. Am freien Ende des
zweiten Schenkels ist ein radial nach außen zeigender Vorsprung 30 angeformt, der
in etwa dem Vorsprung 22 der Rastnase 20 beabstandet gegenübersteht. Bevorzugt
ist der Vorsprung 30 zum zweiten Schenkel 29 zurückgebogen (siehe Figur 3b). Between the
Gemäß Figur 2b wird die Lampe am Kragen 15 des Reflektors angesetzt und axial
in die Öffnung des Reflektors eingeschoben. Dabei verrasten die beiden Metallfedern
24 mit ihrem Vorsprung 30 in der Ausnehmung 14 des Kragens. Diese Verrastung
kann wieder gelöst werden, indem die beiden außen sitzenden Rastnasen 20
nach innen gedrückt werden. Dadurch werden die Vorsprünge 30 wieder an der
Ausnehmung 14 gelöst. Ein Verhaken der Rastnase 20 in der Ausnehmung 14 wird
durch ihre Federkraft verhindert, da die Rastnase wieder nach außen zurückfedert.
Zusätzlich erleichtert die Schräge 23 das Zurückfedern der Rastnase 20.According to Figure 2b, the lamp is placed on the
In einer zweiten Ausführungsform (Figur 4) ist die Metallfeder ein Federdrahtstück
31. Es ist symmetrisch aus zwei Hälften aufgebaut. Das Halteteil ist ein Abschnitt,
bestehend aus einem in etwa in der Ebene quer zur Lampenachse liegenden Basisteil
32 und einem um etwa 90° dazu abgebogenen Ankerteil 33, das in der Wand
des Unterteils 5 in einer achsparallelen Bohrung untergebracht ist. Das Basisteil 32
ist der besseren Federwirkung wegen ca. 10° gegen die Ebene des Bodens des
Unterteils geneigt. Ein am Basisteil angesetzter kurzer Schenkel 34 ist um 140° gegen
das in etwa gleich lange Basisteil 32 zurückgebogen und mündet in einen langen
Schenkel 35, der am kurzen Schenkel so angesetzt ist, daß er sich wieder in
etwa achsparallel in Richtung Kolben erstreckt. Die beiden langen Schenkel 35 sind
über ein Verbindungsstück 37 miteinander verbunden.In a second embodiment (Figure 4), the metal spring is a piece of
In einer besonders bevorzugten Ausführungsform (Figur 5 und 6) ist das Federdrahtstück
31 etwas anders geformt. Der am Basisteil angesetzte kurze Schenkel
34 ist um 180° gegen das in etwa gleich lange Basisteil 32 zurückgebogen und
mündet in einen langen Schenkel 35, der am kurzen Schenkel über eine Kröpfung
36 so angesetzt ist, daß er sich wieder in etwa achsparallel in Richtung Kolben erstreckt.
Die beiden langen Schenkel 35 sind über ein Verbindungsstück 37 miteinander
verbunden. Um einen besonders sicheren Halt des Drahtes in der Ausnehmung
14 des Kragens 15 (Figur 2b) zu gewährleisten ist der zentrale Teil des Verbindungsstücks
37 zurückgebogen. Dieses Bogenstück 38 ist in etwa parallel zur
Ebene des kurzen Schenkels angeordnet.In a particularly preferred embodiment (Figures 5 and 6) is the piece of
Um das Federdrahtstück 31 weiter zu stabilisieren und um zusätzlich eine größere
Fläche zum Anpressen zu erhalten, ist ein Federblechstreifen 39 zwischen den beiden
kurzen Schenkeln 34 in deren Ebene angeordnet. Die Enden 40 des Federblechstreifens
sind um die kurzen Schenkel 34 herumgebogen.In order to further stabilize the
Claims (10)
- Electric lamp, which defines an axis A, having a bulb (1), which contains a luminous element (4), and having a reflector (11) or another fastening means and having a cap (6), in which the bulb (1) is fixed and which is provided with outer contacts (10), and having at least two lead-in wires (3), which electrically conductively connect the luminous element to the contacts (10), the cap (6) having an upper part (7), which holds the bulb, and a lower part (5) for fastening it externally, the lower part protruding beyond the upper part, and the protrusion being in the form of a latching mechanism (13) for the purpose of fastening it externally, characterized in that the latching mechanism (13) in each case comprises an outer, inwardly pointing latching lug (20), which is an integral part of the lower part (5), and a metal spring (24; 31), which lies opposite the latching lug (20) and interacts with it, and which is fastened in the lower part, the metal spring (24; 31) being suitable for latching into a recess (14) in the reflector (11) or fastening means, whereas the latching lug (20) is suitable for releasing this latching of the metal spring again.
- Electric lamp according to Claim 1, characterized in that the latching lug (20) has a radially inwardly pointing projection (22), which is connected to a base part by means of two slopes (23).
- Electric lamp according to Claim 1, characterized in that the metal spring (24) comprises a retaining part, which is connected to the lower part of the cap, and a spring part, which is formed from two limbs, the retaining part being arranged at least partially approximately on the plane transverse to the lamp axis, and a first short limb (28; 34) being integrally formed on the retaining part, and a second long limb (29; 39) being attached to the free end of the first limb (28; 34) at an acute angle such that it runs approximately parallel to the lamp axis.
- Electric lamp according to Claim 3, characterized in that an outwardly pointing projection (30), which lies approximately opposite the projection (22) of the latching lug, rests on the free end of the second limb.
- Electric lamp according to Claim 3, characterized in that the metal spring is in the form of a spring sheet-metal part (19) having a flat base plate transverse to the lamp axis as the retaining part and having a spring part, which is formed in a V shape from two limbs (28, 29), a first, short limb (28) being attached to the base plate and being inclined with respect to the base plate, and a second, long limb (29) being attached to the first limb at an acute angle and passing through the plane of the base plate such that it is aligned approximately parallel again to the lamp axis.
- Electric lamp according to Claim 3, characterized in that the metal spring is in the form of a piece of spring wire (31), the retaining part having a base part (32) approximately transverse to the lamp axis and, in addition, an armature part (33), which is attached to the base part and is aligned parallel to the lamp axis, the short limb (34) being bent back on the base part through more than 120°.
- Electric lamp according to Claim 6, characterized in that the long limb (35) is attached to the short limb (34) at the side, in particular such that it is bent back.
- Electric lamp according to Claim 6, characterized in that the piece of spring wire (31) is composed of two symmetrical halves, the two long limbs (35) of which are connected to one another by means of a connecting piece (37) forming the projection.
- Electric lamp according to Claim 8, characterized in that the connecting piece (37) has a bent piece (38) which is bent back towards the second limbs (29).
- Electric lamp according to Claim 8, characterized in that the two first limbs (34) are connected to one another by means of a stabilizing part (39).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19936619 | 1999-08-04 | ||
DE19936619A DE19936619A1 (en) | 1999-08-04 | 1999-08-04 | Electric lamp |
PCT/DE2000/002205 WO2001011649A1 (en) | 1999-08-04 | 2000-07-05 | Electric lamp |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1116254A1 EP1116254A1 (en) | 2001-07-18 |
EP1116254B1 true EP1116254B1 (en) | 2004-10-27 |
Family
ID=7917103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00956064A Expired - Lifetime EP1116254B1 (en) | 1999-08-04 | 2000-07-05 | Electric lamp |
Country Status (6)
Country | Link |
---|---|
US (1) | US6570308B1 (en) |
EP (1) | EP1116254B1 (en) |
JP (1) | JP2003506844A (en) |
AT (1) | ATE280998T1 (en) |
DE (2) | DE19936619A1 (en) |
WO (1) | WO2001011649A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4194828B2 (en) * | 2002-11-29 | 2008-12-10 | 豊田合成株式会社 | LED lamp |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8615923U1 (en) | 1986-06-13 | 1986-07-31 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH, 81543 München | Electric lamp for car lighting |
JPS6412458A (en) * | 1987-07-06 | 1989-01-17 | Koito Mfg Co Ltd | Electric lamp with base |
US5239226A (en) | 1990-12-14 | 1993-08-24 | General Electric Company | Replaceable lamp assembly for automotive headlamps |
US5320539A (en) | 1993-03-12 | 1994-06-14 | Cooper Industries, Inc. | Lamp socket |
IT1269099B (en) | 1994-05-24 | 1997-03-21 | Peisa Srl | LAMPHOLDER ESPECIALLY FOR TABLE AND WALL LUMES |
JP2677216B2 (en) * | 1994-12-16 | 1997-11-17 | 株式会社押野電気製作所 | Small lamp socket device for panel and printed circuit board |
DE19752979A1 (en) | 1997-11-28 | 1999-06-02 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Electric lamp and lighting system for such lamps |
DE19843506A1 (en) | 1998-09-23 | 2000-03-30 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Electric lamp |
-
1999
- 1999-08-04 DE DE19936619A patent/DE19936619A1/en not_active Withdrawn
-
2000
- 2000-07-05 WO PCT/DE2000/002205 patent/WO2001011649A1/en active IP Right Grant
- 2000-07-05 AT AT00956064T patent/ATE280998T1/en not_active IP Right Cessation
- 2000-07-05 DE DE50008406T patent/DE50008406D1/en not_active Expired - Fee Related
- 2000-07-05 US US09/787,177 patent/US6570308B1/en not_active Expired - Fee Related
- 2000-07-05 EP EP00956064A patent/EP1116254B1/en not_active Expired - Lifetime
- 2000-07-05 JP JP2001516212A patent/JP2003506844A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
EP1116254A1 (en) | 2001-07-18 |
WO2001011649A1 (en) | 2001-02-15 |
JP2003506844A (en) | 2003-02-18 |
DE50008406D1 (en) | 2004-12-02 |
ATE280998T1 (en) | 2004-11-15 |
US6570308B1 (en) | 2003-05-27 |
DE19936619A1 (en) | 2001-02-08 |
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