• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    In a device for fixing a lamp (1) on an open reflector neck (5) of a reflector (27) of a vehicle headlamp, the device has a reflector at the neck (5) transversely to an optical axis (Z) of the reflector (27) displaceably fixed Verriege on a rotation of the lamp (1) in the reflector neck (5) by means of a control part (17) in the sense of a translational movement relative to the reflector neck (5) displaceable and engageable with at least one locking portion of the lamp (1) is.
    公开号:AT513724A1
    申请号:T1283/2012
    申请日:2012-12-10
    公开日:2014-06-15
    发明作者:Clemens Hauer；Stefan Mitterlehner；Lukas Sieber
    申请人:Zizala Lichtsysteme Gmbh；
    IPC主号:
    专利说明:

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    Device for fixing a lamp
    The invention relates to a device for fixing a lamp to an open reflector neck of a reflector of a vehicle headlight.
    There are a number of requirements of factual and legal nature to be met in the definition of lamps on vehicle headlights. Firstly, due to the vibrations while driving a particularly strong and reliable connection with the reflector of the headlamp is required. On the other hand, it should be possible to replace a lamp as quickly and easily as possible, in particular without the use of tools. The previously known solutions for this fulfill these requirements at relatively high construction costs only unsatisfactory.
    For example, DE 10 2007 022 028 A1 discloses a lighting device for a motor vehicle headlight in which a rotation of the lamp during insertion into the reflector neck is converted into a translatory movement of the lamp via a series of adapter parts and in particular a clamping element inserted in these adapter parts, whereby the lamp is brought into engagement with the reflector neck. The structure according to DE 10 2007 022 028 A1 is relatively complex and is not particularly well suited for a simple lamp replacement because the clamping element responsible for the conversion of the rotational movement into the translatory movement is insufficiently secured against falling out.
    It is therefore an object of the present invention to provide a stable and at the same time user-friendly device for fixing a lamp to a reflector neck of a vehicle headlamp, which has a small number of individual parts. Furthermore, the lamp replacement should be possible without the aid of tools by turning the lamp in the reflector neck.
    The object is achieved on the basis of a device of the aforementioned type according to the invention that the device has a reflector neck transversely to an optical axis of the reflector slidably fixed locking member relative to a rotation of the lamp in the reflector neck by means of a control part in the sense of a translational movement slidable towards the neck of the reflector and with at least one 2/25 P12408 2- ··· ··· · »·· ·» · MM »·» ···
    IM • • M • · ·
    Locking range of the lamp is engageable. The effect of the control part is based on the fact that the lamps used in modern vehicle construction, for example xenon gas discharge lamps, have recesses in the region of the socket which serve to uniquely assign the individual lamp types to the corresponding reflectors in the sense of coding. Such a recess now serves, in connection with the present invention, in addition to cooperating with the control part during rotation in order to effect the displacement of the locking part. It will be apparent to one skilled in the art, however, that the invention is not limited to xenon gas discharge lamps having the recesses described, but rather any type of lamp having portions in the region of discontinuities or areas deviating from rotational symmetry is associated with a corresponding one Control part for the implementation of a rotational movement of the lamp in a translational movement of the locking member can cooperate. In contrast to the prior art described in the present invention is not displaced by the rotation of the lamp during insertion and locking the lamp itself, but the locking member in the sense of a translational movement and brought into engagement with a locking portion of the lamp. The advantage here is that in principle with only two functional parts, the locking part and the control part, the Auslangen can be found and yet a stable, yet easily detachable connection of the lamp is achieved with the reflector. Furthermore, it is advantageous that the guidance of the lamp in the reflector neck can be made narrower than that in the prior art due to the translational movement of the lamp in the reflector neck is possible, whereby the device according to the invention allows a solid determination. For the purposes of the present invention, the term "reflector neck " the end region of the reflector, on which the parts of the device according to the invention are fixed.
    In the case of the new production of vehicle headlamps with the device according to the invention, the reflector neck of the reflector can be designed accordingly so that a locking part according to the present invention can be displaceably fixed. However, in order that the device according to the invention can also be used in non-specially shaped reflectors, the device according to the invention is preferably further developed such that the locking part is fixed to the reflector neck with the interposition of an adapter part. 3/25 • · · · · · · · · · · · · · · · ···
    • «·· ♦
    According to a preferred embodiment of the present invention, the control part is formed as held by the adapter part on the reflector neck ring, with a located on the outer circumference of the ring Steuemase and located on the inner circumference of the ring, engageable with the lamp driver. Characterized in that the control part is formed substantially annular, the rotational movement of the lamp in the reflector neck is optimally supported during insertion, while the driver can engage for example in a recess as described above in the region of the socket of the lamp. By the driver, the rotational movement of the lamp is transmitted to the ring and the control lug presses during rotation, the locking member in a direction transverse to the optical axis of the reflector.
    However, according to an alternative preferred embodiment of the present invention, the device may be further developed in terms of the control part in that the control part is arranged on the locking part and formed integrally therewith. In this case, a recess in the region of the socket of the lamp presses directly onto a control surface on the locking part. In this embodiment of the device according to the invention, with appropriate fixing of the control part on the reflector neck, in particular by a latching connection between the locking member and the reflector neck, the items virtually no longer be lost when the lamp must be replaced.
    In the apparatus according to the invention, the determination is carried out, as already explained in detail, by moving a locking member on the reflector neck, so that the locking member engages behind a certain area of the lamp, which is defined in the context of the present invention as a locking area, or interacts with this form-fitting manner. However, due to the displacement of the locking part, the positive locking takes place only on one side of the lamp. Preferably, the invention is therefore further developed in such a way that the device has a respect to the reflector neck fixed holding part, which is engageable with the latter during rotation of the lamp. The holding member may accordingly be formed as a tab which projects into the opening of the reflector neck, and can be brought into coincidence with the insertion of the lamp, for example with the above-mentioned recess for the coding. Upon rotation of the lamp, the holding part engages with a circumferential ring on the socket of the lamp in engagement and thus provides an additional backup of the lamp at the reflector neck available. 4/25 PI2408 «· · · · · ··· ··· · 00 000 000 ^ 00 · ············································································································································································································· 000 Ϊ · · ··· ·· · · · · ♦ ·
    Preferably, the holding part is formed integrally with the locking part and supported against the reflector neck. In this case, there must be a flexible connection to the holding part, which is ensured for example by a simple wire tab. When moving the locking part, this wire tab may deform, wherein the holding part is supported on the reflector neck and thereby remains stationary with respect to the reflector neck.
    According to a preferred embodiment of the present invention, it can be provided that the holding part is formed integrally with the adapter part. In this case, the holding part forms a suitably shaped projection on the adapter part, which engages behind the same during rotation of the lamp when inserting. In this preferred embodiment, the locking member may be designed simpler.
    Thus, when loosening the lamp, which takes place by turning in the direction opposite to the twisting when inserting direction, the locking part reliably releases the lamp device of the invention is preferably further developed such that the locking member has return means resiliently supported on the reflector neck or on the adapter part are. The resiliently supported on the reflector neck return means are in the locking position of the locking member under tension, so that upon release of the lamp, the locking member is pressed back into the starting position, in which the locking member with the locking portion of the lamp is no longer engaged and the lamp can be removed.
    As already mentioned, the present invention is used in particular for determining xenon gas discharge lamps. These lamps have in addition to the actual bulbs on a starter, which provides a very high initial voltage for ionization of the gas in the bulb of the bulb. Such lamps must be electrically shielded, as their operation creates strong electromagnetic fields that can have negative effects on the electronics of the vehicle. The device according to the invention is therefore preferably further developed such that the locking part is made of an electrically conductive material and is formed for electrical contacting of the lamp. In this way, the EMC shielding of the lamp is carried out by the device according to the invention for its attachment to the reflector, whereby a further integration of the functionalities is achieved. 5/25 P12408 ····· • · · · · · · · · ·················································
    The invention will be explained in more detail with reference to an embodiment schematically illustrated in the drawing. In this show
    1a and 1b are perspective views of a device according to the invention for fixing a lamp in a non-assembled state, Figs. 2a and 3a are perspective views of the device according to the invention in the assembled state before and after the rotation of the lamp, Figs. 2b and 3b States according to FIGS. 2a and 3a from a different angle, FIGS. 4a and 4b are plan views of the device according to the invention partly in section, FIGS. 5a and 5b are further plan views of the device according to the invention partly in section, FIGS. 6a and 6b 7a and 7b are side views of the device according to the invention partly in section, Figs. 8a and 8b are perspective views of the portion of the holding part and the control part partially in section, Fig. 9a and 9b the interaction of the recess on the lamp with the control part and the effect of the holding 10 shows a perspective view of the individual parts of the device according to the invention according to a preferred variant, FIGS. 11a and 11b show a plan view of the variant according to FIG. 10, FIGS. 12a and 12b show a perspective view Representations of the variant according to the invention in the assembled state, Figs. 13 and 13b are perspective views of the variant according to the invention partially in section and Figs. 14a and 14b are perspective views of a device according to the invention for fixing a lamp with an adapter part. 6/25 P12408 • · · • ·
    ···· • ···· • • • • • • ··· • ···· * • • • * • · • ···
    In Fig. La, a lamp for a vehicle headlamp is designated 1, wherein the lamp 1 consists of a piston 2, which contains, for example, xenon gas, and a starter 3, which is connected via a terminal 4 to the electrical system of a vehicle. The starter 3 provides for the initial ionization of the xenon gas a very high initial voltage and regulates the continuous power supply to the piston 2 during continuous operation of the lamp 1. 5 denotes a reflector neck of a reflector, not shown in the illustration of FIG. 1 of a vehicle headlamp , which has a specially shaped flange 6 with fixing elements, for example in the form of locking lugs 7. The locking part is denoted by 8 and has corresponding recesses 9 for fixing the locking part 8 on the reflector neck 5 by means of the locking lugs 7. With 19 contact tabs are referred to make an electrical contact with the starter 3 of the lamp 1 to allow said EMC shield.
    The same parts as in Fig. La are shown in Fig. Lb. From this point of view it can be seen that the lamp 1 at the locking part 8 and the flange 6 facing part of the starter 3 has a socket 10 for the piston 2. With a recess 11 is designated on the socket 10, which serves to assign the lamp 1 to a special reflector in the sense of coding. In FIGS. 1a and 1b, a holding part 12 can be seen, which is formed integrally with the locking part 8 and in particular is connected thereto via a wire tab 13.
    From Fig. La and lb it is seen that the locking member 8 can be placed on the recesses 9 on the locking lugs 7 of the flange 6 of the reflector neck 5 and engaged therewith, whereby according to this variant of the present invention, the device for fixing a Lamp 1 is produced at an open reflector neck 5 of a reflector of a vehicle headlamp. To set the lamp 1, the lamp is inserted in the direction of the arrow 14 or 14 'in the reflector neck 5, wherein the lamp 1 due to the recess 11 on the socket 10 and because of the holding part 12 which projects into the opening 15 of the locking part 8 , Can only be used in a twist angle, in which the holding part 12 and the recess 11 are in coincidence with each other.
    After insertion of the lamp 1 along the arrow 14 or 14 ', a state is obtained, as shown in FIG. 2a. The lamp 1 is connected to the starter 3 and the socket 10, which can not be seen in Fig. 2a, on the locking part 8, so that the piston 2 in the 7/25 P12408
    Open reflector neck 5 protrudes. The state of Fig. 2a is shown from a different angle in Fig. 2b.
    It can now be seen in FIGS. 3a and 3b that in the inserted state of the lamp 1, the lamp can be rotated in the opening of the locking part 8, whereby a displacement of the locking part 8 in the sense of the effect of the control part not previously described a translational movement relative to the reflector neck 5, whereby the lamp 1 is locked in the reflector neck 5. The displacement of the locking member 8 relative to the reflector neck 5 and in particular transversely to the optical axis Z of the reflector can be seen in Figs. 2a and 3a rudimentary and particularly clear in Figs. 2b and 3b. In particular, it can be seen from FIGS. 2b and 3b that the upper edge 16 of the locking part 8 in FIG. 3b protrudes clearly beyond the upper edge 28 of the flange 6 of the reflector neck 5 in relation to the state in FIG. 2b, so that it is obvious that that there has been a displacement of the locking part 8 transversely to the optical axis Z.
    In the plan views according to FIGS. 4a and 4b, the device according to the invention with inserted lamp 1 can be seen, wherein the starter 3 of the lamp 1 is cut away to the interaction of the functional parts of the locking member 8 with the recess 11 in the socket 10 of the lamp first to make visible. In FIGS. 4 a and 4 b, the holding part 12 is also cut away in comparison to FIGS. 5 a and 5 b to make it possible to see the control part of the locking part 8 and its interaction with the recess 11 in the socket 10 of the lamp. In Fig. 4a it can be seen that the control member 17 is formed as an oblique wire tab on, due to the cut only rudimentary recognizable, locking member 8, and engages in the recess 11 in the socket 10 of the lamp 1. Upon rotation of the lamp 1 in a clockwise direction, the slope of the control part 17 runs on the recess 11, whereby the locking member 8 is pressed during rotation successively in the direction of the arrow 18.
    In Fig. 5a, mm can be seen that the recess 11 of the socket 10 of the lamp 1 is brought into coincidence not only with the control part 17, but also with the holding part 12 during insertion and that the holding part 12 engages behind the socket 10 during rotation. Thus, while the displacement action of the control member 17 causes the locking member 8 to be locked with a locking portion formed between the socket 10 and the starter 3 of the lamp 1, substantially opposite the control member 17 and the PI2408 > · · · · · · · · · · · · · · · ≫ ·! ····································································
    Locking member 12 is located, the effect of the holding member 12 provides additional locking, so that the lamp 1 is reliably held. It should be noted that the section in Figs. 5a and 5b is a little higher than in Figs. 4a and 4b, namely above the holding part 12, so that in the representations according to FIGS. 5a and 5b mm longer portions of the Flanks of the locking part 8 can be seen.
    6a and 6b, the section line mm is even higher, namely above the locking part 8, so that in addition the contact tabs 19 can be seen on the locking part 8, the electrical contact with the starter in turn in Figs. 6a and 6b, not shown make the lamp 1 to effect EMC shielding. It can also be clearly seen in FIGS. 6a and 6b that, due to the displacement of the locking part 8 during rotation of the lamp 1, the socket 10 is engaged behind by the locking part 8 in the region opposite the holding part 12 and the control part 17 and at the same time holds the holding part 12 in FIG Engagement with the socket 10 of the lamp 1 is, so that a solid locking of the lamp 1 is realized by the locking part 8.
    The locking mechanism just described is shown again for further clarification in the sectional side views according to FIGS. 7a and 7b. Again, it can be seen that the locking member 8 is displaced when locking with respect to the socket 10 of the lamp 1 by turning transversely to the optical axis Z of the reflector, so that the socket 10 is engaged behind the twisting of the locking member 8, as shown particularly clearly in Fig. 7b becomes clear in the area marked A The components 5 and 6 are formed in Figures 7a and 7b of an adapter part which can be clamped on a reflector, but they fulfill the same purpose as in the previously described embodiments.
    In Fig. 8a and 8b it can be seen that when inserting the lamp 1, both the holding part 12 and the locking member 8 are brought into coincidence with the recess 11 of the socket 10. The state of Fig. 8a is shown in a further sectional view in Fig. 9a, wherein in Fig. 9a is particularly clear that the lamp 1 between the starter 3 and the socket 10 provides a locking area in which both the holding part 12 as also on the opposite side, the locking member 8 can engage. In Fig. 9a is further seen that the holding part 12 is formed integrally with the locking member 8 via the wire tab 13. The control part 17 is shown in Fig. 9a is cut represents. In Fig. 9b, the state after the rotation of the lamp 1 is now shown and it is to 9/25 ··· »· · · · · · ································································. Recognize that the control part 17, which is now no longer shown in section, has run on the edge 20 of the recess 11, whereby the displacement of the locking member 8 has been effected.
    In Fig. 10, a variant of the invention is shown, in which the control part 21 is formed as a separate ring from the locking member 8. The control part 21 has on its outer circumference a control nose 22 and on its inner circumference a driver 23. The control part 21 is fixed by means of an adapter part 24, on which the holding part 12 is formed by means of screw on the reflector 27 and the locking part 8, as already described in the preceding examples, by latching connections on the adapter part 24. The lamp 1 is then again inserted along the arrow 25 in the device or in the reflector and fixed by turning. The displacement effect is shown in Figs. 11a and 11b, wherein the starter 3 of the lamp 1 is cut away to make the interaction of the control part 21 and the locking part 8 with the recess 11 in the socket 10 of the Lampel apparent. In Fig. 11a in this case the situation is shown after the onset of the lamp 1 and before twisting, in which the holding part 12 is brought into coincidence with the recess 11 on the socket 10. After twisting, as can be seen in Fig. 11b, the driver 23 was taken from the recess 11 on the socket, whereby the not visible in Fig. 11b control nose has moved the locking member transverse to the optical axis of the reflector.
    The action of the control lug 22 is shown in Figs. 12a and 12b. As can be seen in FIG. 12 a, the control lug 22 protrudes beyond the region of the adapter part 24 and does not run with its bevel onto a lug 26 of the locking part 8 until it turns according to FIG. 12 b. Characterized the locking member 8 is moved relative to the adapter part and thus also relative to the lamp 1, whereby the locking member 8 in the described in connection with FIGS. 9a and 9b locking region between the socket 10 and the starter 3 of the lamp 1 can be brought into operative connection.
    The situation from FIGS. 12a and 12b is shown once again in FIGS. 13a and 13b, the reflector 26 having been omitted for the sake of clarity. It can be seen again that after insertion of the lamp 1, the recess 11 in the socket 10 with the driver 23 of the control part 21 is engaged, so that when turning clockwise, the control lugs 22 accumulate on the tabs 26 of the locking member 8 and 10/25 P12408
    ίο * - * # ··· · ··· < Thus, the displacement of the locking member 8 transverse to the optical axis of the reflector cause.
    Figures 14a and 14b substantially correspond to the figures la and lb and show a variant of the invention, in which the locking member 8 is not fixed directly to the reflector neck 5, but with the interposition of an adapter part 24, which in turn with a reflector neck, not shown, for example Clamping can be connected. 11/25
    权利要求:
    Claims (9)
    [1]
    P12408 ♦ ·· ·

    * -li * - *



    Claims 1. A device for fixing a lamp (1) to an open reflector neck (5) of a reflector (27) of a vehicle headlamp, characterized in that: - in that the device has a locking part (8) which is displaceably fixed on the reflector neck (5) transversely to an optical axis (Z) of the reflector and which, when the lamp (1) is rotated in the reflector neck (5) by means of a control part (17) in the sense a translational movement relative to the reflector neck (5) displaceable and with at least one locking region of the lamp (1) is engageable.
    [2]
    2. Device according to claim 1, characterized in that the locking part (8) with the interposition of an adapter part (24) on the reflector neck (5) is fixed.
    [3]
    3. Apparatus according to claim 1 or 2, characterized in that the control part (17) as the adapter part (24) on the reflector neck (5) held ring (21) is formed with a on the outer circumference of the ring (21) located control nose (22 ) and a on the inner circumference of the ring (21) located, with the lamp (1) engageable driver (23).
    [4]
    4. Device according to one of claims 1, 2 or 3, characterized in that the control part (17) is arranged on the locking part (8) and formed integrally therewith.
    [5]
    5. Device according to one of claims 1 to 4, characterized in that the device has a relative to the reflector neck (5) fixed holding part (12), which upon rotation of the lamp (1) can be brought into engagement therewith.
    [6]
    6. Device according to one of claims 1 to 5, characterized in that the holding part (12) is formed integrally with the locking part (8) and against the reflector neck (5) or the adapter part (24) is supported.
    [7]
    7. Apparatus according to claim 5 or 6, characterized in that the holding part (12) is formed integrally with the adapter part (24). 12/25 P12408 • · · · · · · · · · · · · · · · · · · · · · · · · · · «· · · · Fa ** 12 ** * ···

    ···································
    [8]
    8. Device according to one of claims 1 to 7, characterized in that the locking part (8) has return means which are resiliently supported on the reflector neck (5) or on the adapter part (24).
    [9]
    9. Device according to one of claims 1 to 8, characterized in that the locking part (8) is made of an electrically conductive material and for electrical contacting of the lamp (1) is formed. 13/25
    类似技术:
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    同族专利:
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    CN103868032B|2016-09-28|
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    EP2740990A3|2017-11-29|
    AT513724B1|2014-09-15|
    CN103868032A|2014-06-18|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US20060245198A1|2005-05-02|2006-11-02|Tse-Yang Chen|High intensity discharge bulb adapter for vehicles|
    DE102009031410A1|2009-07-02|2011-01-05|Automotive Lighting Reutlingen Gmbh|Lighting mechanism for e.g. gas-discharge lamp of motor vehicle, has axial stop elements arranged in optical-axis direction, where light width between distal ends of elements is smaller than diameter of lamp holder held by reflector neck|
    US2563217A|1947-03-07|1951-08-07|William M Damron|Light bulb mounting for sealed reflector units|
    US4947294A|1989-04-24|1990-08-07|General Motors Corporation|Headlamp assembly|
    DE10200831A1|2002-01-02|2003-07-17|Philips Intellectual Property|Lamp and headlights for easy installation|
    JP4010449B2|2002-08-19|2007-11-21|株式会社小糸製作所|Bulb insertion structure for vehicular lamp|
    FR2862744B1|2003-11-21|2006-09-29|Valeo Vision|SYSTEM FOR FIXING A LIGHT SOURCE ON A COUNTERPART OF A MOTOR VEHICLE PROJECTOR AND METHOD FOR CARRYING OUT SAID METHOD|
    DE102007022028B4|2007-05-11|2016-10-20|Automotive Lighting Reutlingen Gmbh|Lighting device for a vehicle, in particular motor vehicle headlights|
    DE102008020001A1|2008-04-21|2009-10-22|Automotive Lighting Reutlingen Gmbh|Lighting device for a vehicle|
    DE202009000789U1|2009-01-20|2009-03-26|Tyc Brother Industrial Co., Ltd.|Fastening device for a high-pressure discharge lamp|
    JP2011238391A|2010-05-07|2011-11-24|Harison Toshiba Lighting Corp|Reflector and lighting system|DE102012209666A1|2012-06-08|2013-12-12|Automotive Lighting Reutlingen Gmbh|Lighting device for a vehicle, in particular motor vehicle headlights|
    CN106195843B|2015-05-04|2018-06-15|常州星宇车灯股份有限公司|Car headlamp Xe lamp bulb fixed structure|
    法律状态:
    2016-11-15| HC| Change of the firm name or firm address|Owner name: ZKW GROUP GMBH, AT Effective date: 20161014 |
    2018-08-15| MM01| Lapse because of not paying annual fees|Effective date: 20171210 |
    优先权:
    申请号 | 申请日 | 专利标题
    ATA1283/2012A|AT513724B1|2012-12-10|2012-12-10|Device for fixing a lamp|ATA1283/2012A| AT513724B1|2012-12-10|2012-12-10|Device for fixing a lamp|
    EP13188494.2A| EP2740990A3|2012-12-10|2013-10-14|Device for fixing a lamp|
    CN201310663626.6A| CN103868032B|2012-12-10|2013-12-10|Device for fixed light|
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