WO2012034858A1 - Dispositif de fixation rotatif et dispositif d'éclairage comprenant le dispositif - Google Patents

Dispositif de fixation rotatif et dispositif d'éclairage comprenant le dispositif Download PDF

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Publication number
WO2012034858A1
WO2012034858A1 PCT/EP2011/064991 EP2011064991W WO2012034858A1 WO 2012034858 A1 WO2012034858 A1 WO 2012034858A1 EP 2011064991 W EP2011064991 W EP 2011064991W WO 2012034858 A1 WO2012034858 A1 WO 2012034858A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotating
disc
teeth portion
ring
fixing device
Prior art date
Application number
PCT/EP2011/064991
Other languages
English (en)
Inventor
Xi Huang
You CHEN
Hao Li
Shan Ping Xiao
Original Assignee
Osram Ag
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 Osram Ag filed Critical Osram Ag
Publication of WO2012034858A1 publication Critical patent/WO2012034858A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling

Definitions

  • the present invention relates to a rotating fixing device for a lighting device, especially for an LED lighting device, which may be a recessed LED lighting device (e.g. downlight).
  • the present invention also relates to a lighting device comprising the rotating fixing device.
  • LED lighting devices are usually used as ceiling recessed luminaries. This type of ceiling recessed luminaries needs to irradiate in different directions according to lighting demands.
  • the LED lighting devices are provided with a cooling body according to their powers to dissipate heat.
  • Large-power LED lighting devices usually are equipped with a heavy cooling body. The LED lighting devices need to be adjusted to a certain angle and then maintained at this angle so that they irradiate in a fixed direction.
  • a solution in the prior art is to mount a ceiling recessed luminaries at an assembling ring of a mounting portion via two bolts, and the two bolts also function as rotating shafts. After rotating the ceiling recessed luminaries to a predetermined angle, due to the friction between the bolts and the assembling ring, the ceiling recessed luminaries is maintained at this angle. However, after repeatedly adjusting the irradiating angle of the ceiling recessed luminaries, there must be certain abrasion between the bolts and the assembling ring, which virtually alleviates the friction between the bolts and the assembling ring, and thus it is very difficult to maintain the ceiling recessed luminaries at the predetermined angle.
  • the present invention aims to provide a rotating fixing device for a lighting device, especially for an LED lighting device, which may be a recessed LED lighting device (e.g. downlight).
  • the rotating fixing device according to the present invention can reliably maintain the lighting device at a predetermined irradiating angle, and the life span of the overall lighting device will not be shortened with the increase in the number of times of adjusting the angle.
  • the object of the present invention is realized via a rotating fixing device for a lighting device, wherein, the lighting device comprises a fixedly arranged assembling ring and a rotating ring that rotates with respect to the assembling ring, wherein, the rotating fixing device comprises a first disc in anti-torsion connection with the rotating ring and a second disc in anti-torsion connection with the assembling ring, wherein the first disc and the second disc respectively comprise a first teeth portion and a second teeth portion, and the first teeth portion engages with the second teeth portion to realize locking a rotating angle of the rotating ring, and the first teeth portion disengages from the second teeth portion to realize adjusting the rotating angle of the rotating ring.
  • the first teeth portion or the second teeth portion can retreat from a teeth groove of the second teeth portion or the first teeth portion and enters the next teeth groove to adjust a lighting angle, and the first teeth portion engages with the second teeth portion to reliably maintain the rotating ring of a lighting device at a predetermined angle, and thus the predetermined lighting angle of the lighting device is obtained.
  • the mutual engagement of the teeth portions can also reliably ensure that the lighting device is maintained at the predetermined lighting angle, which also the life span of the overall lighting device.
  • the first disc and the second disc are coaxially provided, and the first teeth portion disengages from the second teeth portion when they get away from each other axial ly and the first teeth portion engages with the second teeth portion when they get close to each other axially.
  • the first teeth portion axially pushes the second teeth portion to move in axial direction so that the second teeth portion gets away from the first teeth portion and then the first teeth portion disengages from the second teeth portion to realize angle adjustment, and after further rotating, the first teeth portion gets close to the second teeth portion, and they engages with each other, thereby locking the angle.
  • an elastic member is provided at a side of the first disc facing the rotating ring and/or at a side of the second disc facing the assembling ring, and provides a restoration force that makes the first disc engage with the second disc.
  • the first teeth portion of the first disc generates a force that makes the second disc get away from the first disc, and thus the elastic member is pressed to have elastic deformation, which thus allows the first teeth portion and/or the second teeth portion retreating from a teeth groove of the second teeth portion and/or the first teeth portion to engage with each other under the restoration force of the elastic member, and adjusting and locking the angle are realized.
  • the elastic member is a rubber washer or a spring washer, and this type of elastic washer can be easily obtained in the market.
  • a tooth profile angle of the teeth of the first teeth portion and the second teeth portion is within a range from 50 to 70 degrees. This angle range can ensure reliably locking the angle when the first teeth portion engages with the second teeth portion, and can also ensure that the first teeth portion can reliably disengage from the second teeth portion when an external force is applied.
  • the rotating fixing device is connected between the rotating ring and the assembling ring via a shaft lever, wherein the shaft lever constitutes a rotating shaft.
  • the shaft lever penetrates the assembling ring, then sequentially penetrates the elastic member, the second disc and the first disc of the rotating fixing device, and penetrates the rotating ring and also functions as a rotating shaft, so that the rotating ring can rotate with respect to the assembling ring.
  • the first disc has a restricting protrusion or a restricting groove which engages with a restricting protrusion or a restricting groove of the rotating ring to prevent torsion of the first disc with respect to the rotating ring, so that the rotating ring can bring the first disc to also rotate in a simple way during rotating the rotating ring.
  • the second disc has a restricting protrusion or a restricting groove which engages with a restricting groove or a restricting protrusion of the assembling ring to prevent torsion of the second disc with respect to the assembling ring.
  • Another object of the present invention is to provide a lighting device comprising the above rotating fixing device, and the lighting device can reliably irradiate at a predetermined lighting angle and have a long life span.
  • Figure 1 is a schematic view of the rotating fixing device assembled to the lighting device according to the present invention
  • Figure 2 is a schematic view of the rotating fixing device at a side of the lighting device according to the present invention
  • Figure 3 is an exploded schematic view of the rotating fixing device according to the present invention.
  • Figure 1 illustrates a schematic view of the rotating fixing device assembled to the lighting device according to the present invention.
  • the lighting device comprises: an assembling ring 1 for fixing the lighting device at a predetermined mounting position; a rotating ring 2 for fixing a luminous element of the lighting device such as an LED module; and a rotating fixing device disposed between the assembling ring 1 and the rotating ring 2, and via this rotating fixing device, the rotating ring 2 can rotate with respect to the assembling ring 1 and is locked at this angle after it rotates to a predetermined angle.
  • FIG. 2 is a schematic view of the rotating fixing device at a side of the lighting device according to the present invention.
  • the structure of the rotating fixing device at the other side of the lighting device is the same and is omitted herein.
  • the shaft lever 8 (which is designed to be a latch in the embodiment) sequentially penetrates the supports 9, the rotating fixing devices and the rotating ring 2, and penetrates the other side of the rotating ring 2, and is locked via a restricting latch 10.
  • the shaft lever 8 also functions as a rotating shaft.
  • Figure 3 is an exploded schematic view of the rotating fixing device according to the present invention.
  • the rotating fixing device comprises: a first disc 3; a second disc 4 and a rubber washer 7, wherein the rubber washer 7 can be replaced with a spring washer.
  • the first disc 3 is assembled to the rotating ring 2
  • the second disc 4 is assembled to the supports 9 of the assembling ring 1
  • the rubber washer 7 is provided between the second disc 4 and the supports.
  • the assembling ring 1 has a first restricting protrusion 1 1
  • the second disc 4 has a first restricting groove 12
  • the first restricting protrusion 1 1 engages with the first restricting groove 12 to prevent the second disc 4 from rotating with respect to the supports 9 (i.e., the assembling ring 1 ).
  • the rotating ring 2 has a second restricting protrusion 13
  • the first disc 3 has a second restricting groove 14
  • the second restricting protrusion 13 engages with the second restricting groove 14 to prevent the first disc 3 from rotating with respect to the rotating ring 2.
  • first disc 3 has a first teeth portion 5
  • second disc 4 has a second teeth portion 6, and the first teeth portion 5 can engage with the second teeth portion 6.
  • the engagement is detailed in Figure 2.
  • the movement of the second disc 4 in the axial direction forces the elastic member to have elastic deformation, thereby generating a restoration force that restores the second disc 4.
  • the teeth portion of the second disc 4 again engages with the next teeth groove of the first disc 3. After rotating to a predetermined angle, rotation stops. Then the first teeth portion 5 and the second teeth portion 6 are again in an engagement state, thereby realizing locking the angle.
  • a tooth profile angle of the teeth of the first teeth portion 5 and the second teeth portion 6 is within a range from 50 to 70 degrees, and in the embodiment of the present invention, the tooth profile angle is 60 degrees. This angle can not only ensure reliably locking the angle when the first teeth portion 5 engages with the second teeth portion 6, and but also ensure that the first teeth portion 5 can reliably disengage from the second teeth portion 6 when an external force is applied.
  • the descriptions above are only preferable embodiments of the present invention and are not used to restrict the present invention.
  • the present invention may have various changes and variations. Any modifications, equivalent substitutions, improvements etc. within the spirit and principle of the present invention shall all be included in the scope of protection of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

La présente invention concerne un dispositif de fixation rotatif pour un dispositif d'éclairage, le dispositif d'éclairage comprenant une bague d'assemblage disposée solidement (1) et une bague rotative (2) qui se met en rotation par rapport à la bague d'assemblage (1), le dispositif de fixation rotatif comprenant un premier disque (3) en liaison anti-torsion avec la bague rotative (2) et un second disque (4) en liaison anti-torsion avec la bague d'assemblage (1), le premier disque (3) et le second disque (4) comprenant respectivement une première partie dents (5) et une seconde partie dents (6), la première partie dents (5) venant en prise avec la seconde partie dents (6) pour bloquer l'angle de rotation de la bague rotative, et la première partie dents (5) se séparant de la seconde partie dents (6) pour régler l'angle de rotation de la bague rotative. Le dispositif de fixation rotatif selon la présente invention permet de maintenir de manière fiable le dispositif d'éclairage à un angle d'irradiation prédéterminé, et la durée de vie du dispositif d'éclairage dans son ensemble ne sera pas raccourcie par l'augmentation du nombre de réglages de l'angle. La présente invention concerne également un dispositif d'éclairage comprenant ledit dispositif de fixation rotatif.
PCT/EP2011/064991 2010-09-16 2011-08-31 Dispositif de fixation rotatif et dispositif d'éclairage comprenant le dispositif WO2012034858A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010286225XA CN102401355A (zh) 2010-09-16 2010-09-16 旋转固定装置和具有该装置的照明设备
CN201010286225.X 2010-09-16

Publications (1)

Publication Number Publication Date
WO2012034858A1 true WO2012034858A1 (fr) 2012-03-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/064991 WO2012034858A1 (fr) 2010-09-16 2011-08-31 Dispositif de fixation rotatif et dispositif d'éclairage comprenant le dispositif

Country Status (2)

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CN (1) CN102401355A (fr)
WO (1) WO2012034858A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014235917A (ja) * 2013-06-03 2014-12-15 パナソニック株式会社 アダプタ及び該アダプタを備えるダウンライト
CN107726264A (zh) * 2017-11-10 2018-02-23 宁波博煌光能科技有限公司 灯具框架及工作灯
EP3809037A1 (fr) * 2019-10-17 2021-04-21 Leedarson Lighting Fixtures Co., Ltd Garniture de lampe et module de lampe

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104421876A (zh) * 2013-09-06 2015-03-18 深圳市海洋王照明工程有限公司 一种固定组件

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4811923A (en) * 1987-02-25 1989-03-14 Bron Elektronik Ag Mount for photographic lighting equipment
US5450303A (en) * 1994-03-01 1995-09-12 Lamson & Sessions Co. Adjustable lamp assembly
EP0989360A2 (fr) * 1998-09-26 2000-03-29 Irwin Kotovsky Procédé et dispositif d' éclairage
US6196705B1 (en) * 1999-08-09 2001-03-06 Steinel Gmbh & Co. Kg Halogen motion detection security light positioning system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4811923A (en) * 1987-02-25 1989-03-14 Bron Elektronik Ag Mount for photographic lighting equipment
US5450303A (en) * 1994-03-01 1995-09-12 Lamson & Sessions Co. Adjustable lamp assembly
EP0989360A2 (fr) * 1998-09-26 2000-03-29 Irwin Kotovsky Procédé et dispositif d' éclairage
US6196705B1 (en) * 1999-08-09 2001-03-06 Steinel Gmbh & Co. Kg Halogen motion detection security light positioning system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014235917A (ja) * 2013-06-03 2014-12-15 パナソニック株式会社 アダプタ及び該アダプタを備えるダウンライト
CN107726264A (zh) * 2017-11-10 2018-02-23 宁波博煌光能科技有限公司 灯具框架及工作灯
CN107726264B (zh) * 2017-11-10 2024-01-19 宁波博煌光能科技有限公司 灯具框架及工作灯
EP3809037A1 (fr) * 2019-10-17 2021-04-21 Leedarson Lighting Fixtures Co., Ltd Garniture de lampe et module de lampe

Also Published As

Publication number Publication date
CN102401355A (zh) 2012-04-04

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