EP3623698A1 - Luminaire - Google Patents

Luminaire Download PDF

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Publication number
EP3623698A1
EP3623698A1 EP19195504.6A EP19195504A EP3623698A1 EP 3623698 A1 EP3623698 A1 EP 3623698A1 EP 19195504 A EP19195504 A EP 19195504A EP 3623698 A1 EP3623698 A1 EP 3623698A1
Authority
EP
European Patent Office
Prior art keywords
locking element
rotation
locking
axis
lamp
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.)
Granted
Application number
EP19195504.6A
Other languages
German (de)
English (en)
Other versions
EP3623698B1 (fr
Inventor
Michael Eidam
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zumtobel Lighting GmbH Germany
Original Assignee
Zumtobel Lighting GmbH Germany
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 Zumtobel Lighting GmbH Germany filed Critical Zumtobel Lighting GmbH Germany
Publication of EP3623698A1 publication Critical patent/EP3623698A1/fr
Application granted granted Critical
Publication of EP3623698B1 publication Critical patent/EP3623698B1/fr
Active legal-status Critical Current
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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
    • F21V21/26—Pivoted arms
    • F21V21/28—Pivoted arms adjustable in more than one plane
    • 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

Definitions

  • the invention relates to a lamp with a lamp head and a lamp arm rotatably connected to the lamp head.
  • Luminaires of the type mentioned are known in principle from the prior art.
  • a luminaire is usually an LED spotlight, which can be mounted at a certain point, for example on a ceiling or wall, using the luminaire arm.
  • the lamp arm is rotatably connected to the lamp head, so that the lamp head can be rotated around two axes of rotation, that is to say about a pivot and an inclination axis, and can be aligned in a corresponding position and / or orientation.
  • Such lights are used, for example, as museum spotlights.
  • a disadvantage of the lamps known from the prior art is that the locking of all axes of rotation requires several locking elements and thus also several locking steps. The locking or fixing of all axes of rotation is therefore relatively complex. In addition, the locking elements result in a relatively large-sized luminaire, which is particularly difficult to integrate into a luminaire design.
  • the invention is therefore based on the object to provide a lamp of the type mentioned, in which the axes of rotation easier, d. H. can be locked in particular faster and more reliably.
  • a lamp according to the invention in particular an LED spotlight, has: a lamp head (for emitting light), a lamp arm, and a swivel joint for rotatable connection of the lamp head with the lamp arm, so that the lamp head can be aligned with respect to the lamp arm via a first and a second axis of rotation of the swivel joint.
  • the lamp also has a locking element which is set up to be moved between a release position in which the lamp head can be aligned via the (i.e. both) axes of rotation and a locking position in which the (i.e. both) axes of rotation are locked.
  • the (i.e. both) axes of rotation can be locked at the same time or released to align the lamp head at the same time.
  • a fitter therefore only has to operate one locking element or perform a locking movement (turning, pulling, pressing, etc. of the locking element) in order to lock or hold the lamp head in a defined position and / or orientation.
  • the number of locking elements and locking steps is thus reduced, making the axes of rotation of the lamp easier, i. H. can be locked in particular faster and more reliably. Because of the only one locking element, the manufacturing effort is also reduced, so that the luminaire is in particular easier to assemble and less expensive to manufacture.
  • the lamp preferably also has: a first locking element, which is movable between a first release position in which the lamp can be aligned via the first axis of rotation and a first locking position in which the first axis of rotation is locked, and a second Locking element, which is movable between a second release position, in which the lamp can be aligned via the second axis of rotation, and a second locking position, in which the second axis of rotation is locked.
  • the locking element interacts with at least (or only) one of the locking elements in such a way that both locking elements can be moved simultaneously between their release position and their locking position.
  • the first locking element is preferably arranged with respect to the second locking element in such a way that, by moving the first locking element from the first release position into the first locking position, the second locking element simultaneously moves the second locking position from the second release position is moved. Consequently, the first locking element simultaneously serves as a connecting member for transmitting a movement of the locking element to the second locking element.
  • a particularly compact arrangement of the locking elements can thus be achieved.
  • the first locking element can be arranged with respect to the second locking element such that, by moving the first locking element from the first release position to the first locking position, the first locking element comes into non-positive and / or positive contact with the second locking element, around the second locking element from the second Move release position to the second locking position.
  • the second locking element can be reliably moved into the locking position by means of the first locking element, in particular only by the force of the first locking element for locking the first axis of rotation. By reducing this force, the locking elements can also be easily moved back into the respective release position
  • the first locking element is preferably in non-positive and / or positive contact with the rotary joint in order to lock the first axis of rotation. Since the swivel joint or the structure of the swivel joint rotates with the first axis of rotation, the first axis of rotation can thus be locked particularly easily by means of the first locking element.
  • the first locking element can be a tensioning element which can be moved from the first release position into the first locking position by tensioning (tightening) the tensioning element by means of the locking element.
  • the first locking element can be easily moved into the first locking position, namely in particular only by a single, in particular linear, clamping movement by the locking element.
  • the first locking element or the tensioning element can be moved into the first release position by relaxing the tensioning element. And since the tensioning element is only subjected to tension, the tensioning element can thus be produced easily and with little material, for example as a tensioning strap.
  • the second locking element is preferably in non-positive and / or positive contact with a third locking element, which is provided in a rotationally fixed manner with respect to the second axis of rotation, around the second To lock the axis of rotation.
  • the third locking element is preferably provided in a rotationally fixed manner with respect to the lamp arm, for example by means of positive and / or positive locking. As a result, the third locking element rotates with the lamp arm about the second axis of rotation. In this way, the third locking element can be provided in a rotationally fixed manner with respect to the second axis of rotation.
  • the third locking element can be clamped between the rotary joint and the second locking element in order to lock the second axis of rotation.
  • the locking effect of the second locking element on the third locking element and thus the second axis of rotation can be increased, so that the second axis of rotation can be locked particularly easily.
  • the third locking element can be a disc. Because of the thin-walled design of the disk in particular, this benefits the efficient production of the third locking element. In addition, a particularly compact arrangement of the second and third locking elements can thus be achieved.
  • the second locking element can be movably received by the swivel joint, in particular can be moved translationally, in order to be moved between the second release position and the second locking position.
  • the second locking element can thus be moved easily, reliably and in a compact manner between the second release position and the second locking position.
  • the second locking element can be designed as a shoe, ie corresponding to a brake shoe. Due to the massive design of the jaw, the second axis of rotation can be locked particularly well in the second locking position. In addition, the stability of a second locking element designed in this way is improved.
  • the locking element is preferably only functionally connected to the first locking element.
  • the locking element is preferred only directly connected to the first locking element, the locking element being indirectly connected to the second locking element, namely via the first locking element.
  • the locking elements can thus be arranged in a particularly compact manner.
  • the locking element can be operated by means of a tool and / or without tools.
  • the force for locking the axes of rotation can be effected particularly simply by means of the locking element.
  • the locking element can, for example, have an operating area formed integrally with the locking element, so that the operability of the locking element is improved because of the unnecessary tool.
  • the locking element is a screw (for example a set screw), so that the locking element can be moved between the release position and the locking position by a screwing movement of the screw, that is to say the first locking element can preferably be moved between the first release position and the first locking position.
  • a screwing movement of the screw that is to say the first locking element can preferably be moved between the first release position and the first locking position.
  • the swivel joint can have an opening, in particular a passage opening, in which the lamp arm is rotatably mounted in order to be rotatable around the second axis of rotation.
  • the lamp arm can be particularly easily rotatably supported in the swivel around the second axis of rotation.
  • the lamp preferably has a securing element, for example a securing ring, for axially securing the lamp arm with respect to the second axis of rotation.
  • the third locking element is preferably provided between the securing element and the swivel joint in order to be axially secured with respect to the second axis of rotation. This is particularly beneficial for a compact arrangement of the third locking element with respect to the securing element and the swivel joint.
  • the swivel joint can be rotatably mounted in a bearing area of the lamp, preferably rotatably with an escapement.
  • the inhibition has the effect, in particular, that the lamp head maintains a defined orientation (position / orientation) even in the non-locked state or in the first release position, but can still be easily aligned around the first axis of rotation.
  • the first axis of rotation and the second axis of rotation are preferably not aligned parallel to one another.
  • the first axis of rotation is preferably oriented perpendicular to the second axis of rotation. It is particularly preferred if the first axis of rotation is perpendicular to the second axis of rotation.
  • the axes of rotation can thus be arranged particularly compactly with respect to one another.
  • the lamp arm and / or the swivel joint can (in each case) have a structure, for example a stop, for limiting the rotational mobility of the second axis of rotation.
  • the rotational mobility is preferably limited at an angle of rotation of 360 ° +/- 5 °.
  • the structure on the side of the swivel joint can be provided such that it can move with respect to the swivel joint in such a way that when the structure on the side of the lamp arm interacts (i.e. mechanical contact) with the structure on the side of the swivel joint, the lamp arm is in a defined rotation angle range, in particular in a rotation angle range of 0 ° to 10 °, is still rotatable about the second axis of rotation.
  • a mechanic who aligns the lamp head about the second axis of rotation can perceive haptic feedback shortly before the rotational mobility of the second axis of rotation is limited due to the mechanical interaction of the structures.
  • the usability of aligning the lamp head is thus optimized.
  • the structure can be provided (designed) integrally or separately, for example by means of a ring which is positively connected to the lamp arm, with the lamp arm or the swivel joint.
  • the lamp head can have a lamp housing in which at least the swivel joint and preferably the first, second and particularly preferably the third locking element are provided. So the lamp housing can do that Protect the swivel joint and preferably the locking elements from environmental influences.
  • a lamp, for example LEDs, and / or other electrical and / or electronic components for operating the lamp are preferably also provided in the lamp housing.
  • the locking element can be operated from outside the lamp, in particular from outside the lamp housing, preferably from a rear side (ie a side facing away from the light-emitting side (front side) of the lamp head).
  • FIG. 1 shows a lamp 1 according to a preferred embodiment of the present invention.
  • the lamp 1 can be designed as an LED spotlight.
  • lamp 1 is used as a museum lamp.
  • the lamp 1 has a lamp head 2 for emitting light from a lamp such as an LED.
  • the lamp head 2 can have the lamp and / or other electrical and / or electronic components for operating the lamp 1.
  • the lamp head 2 preferably has a cylindrical shape.
  • the lamp 1 also has a lamp arm (connecting element) 3.
  • the lamp arm 3 can mechanically and preferably electrically connect the lamp 1 to a corresponding area.
  • a region can be a luminaire support rail, a luminaire support rail system, a busbar adapter which can be connected or connected to a luminaire support rail, or generally a ceiling or wall.
  • the lamp arm 3 is preferably used for the electrical supply and / or the control of the lamp 1 or the lamp head 2, that is to say in particular the lamp and / or the other electrical and / or electronic components.
  • the electrical supply and / or control takes place preferably via electrical lines running within the lamp arm 3.
  • the lamp arm 3 preferably has an elongated or rod-like shape.
  • the cross section of the lamp arm 3 is preferably circular, but can also have any other shape, for example an elliptical, rectangular, square or polygonal shape.
  • the lamp arm 3 can have an end region 16 at its ends for, in particular, a form-fitting connection with a corresponding component.
  • the End region 16 have an angular, in particular polygonal cross section, for example a cross section composed of circular segments and straight lines.
  • the lamp 1 also has a swivel joint (swivel bracket) 4, which connects the lamp head 2 to the lamp arm 3 so that it can rotate, so that the lamp head 2 has a first axis of rotation or inclination axis 5 and a second axis of rotation or pivot axis with respect to the lamp arm 3 6 of the swivel joint 4 can be aligned.
  • the axes of rotation 4, 5 are preferably not aligned parallel to one another.
  • the first axis of rotation 5 is particularly preferably oriented perpendicular to the second axis of rotation 6, in particular in such a way that the first axis of rotation 5 is perpendicular to the second axis of rotation 6.
  • the second axis of rotation 6 is preferably an axis, in particular an axis of symmetry, of the lamp arm 3.
  • the first axis of rotation 5 preferably enables the lamp head 2 to be tilted in a range of 0 ° to 90 ° around the first axis of rotation 5.
  • the second axis of rotation 5 preferably enables the lamp head 2 to be pivoted in a rotation angle range from 0 ° to 360 ° around the second axis of rotation 6.
  • the lamp head 2 can have a bearing area 7 in which the swivel joint 4 is rotatably mounted to provide the first axis of rotation 5.
  • the swivel joint 4 is preferably mounted rotatably in the bearing area 7 about the first axis of rotation 5, so that the lamp head 2 or the lamp arm 3 can be rotated about the axis of rotation 5.
  • the bearing area 7 preferably has two bearing elements 8, 9, in each of which one end of the swivel joint 4 is rotatably mounted about the axis of rotation 5.
  • the bearing elements 8, 9 each preferably have an opening 10, 11, for example a passage opening, in which an axle element 12, 13 corresponding to the respective opening 10, 11 and provided at the respective end of the swivel joint 4 is mounted.
  • the axle element 12, 13 can be formed integrally or separately with the rotary joint 4.
  • the respective axle element 12, 13 can have a cylindrical, in particular hollow-cylindrical shape.
  • the respective axle element 12, 13 is designed as a hollow rivet which is provided separately from the swivel joint 4 and which is fitted at the respective end of the swivel joint 4 in a corresponding opening or penetration opening, for example by means of a force fit and / or a form fit.
  • the swivel joint 4 is preferably rotatably supported in the bearing area 7 with a (certain or defined) escapement, so that the swivel joint 4 or the lamp head 2 can be held in a defined orientation with respect to the first rotational axis 5 by means of the escapement, but is nevertheless adjustable or can be aligned, in particular in such a way that inadvertent adjustment of the lamp head 2 is avoided.
  • the inhibition can be provided, for example, by the bearing region 7 exerting a certain static frictional force on the pivot joint 4 caused by the bearing of the pivot joint 4 in the bearing region 7.
  • the fit between the opening 10 and the axle element 12 and / or the fit between the opening 11 and the axle element 13 can be designed so tightly, in particular as a transition or press fit, in order to inhibit the respective axle element 12, 13 and thus the swivel joint 4 or the lamp head 2 to effect.
  • the storage area 7 can be provided integrally with the lamp head 2. Alternatively, the storage area 7 can also be provided separately from the lamp head 2 and / or adjustable in the lamp head 2.
  • the lamp head 2 has, for example, a carrier plate 14 to which the storage area 7 is detachably connected, for example by means of a screw connection.
  • the storage area 7 can be provided adjustable on the support plate 14, for example via elongated holes formed in the support plate 14, which are in screw connection with the storage area 7.
  • the pivot 4 can, as in particular in the Figures 6 and 7 Easily recognizable, have an opening (luminaire arm receptacle) 15, which is preferably provided centrally in relation to the swivel joint 4, in particular designed as a passage opening, in which the luminaire arm 3 is rotatably mounted so that the luminaire head 2 or the luminaire arm 3 (relative to the luminaire arm 3 or lamp head 2) is rotatable about the second axis 6.
  • the lamp arm 3 or the end region 16 can preferably be inserted into the opening 15 from a direction above the swivel joint 4 in order to be rotatably mounted in the opening 15.
  • the securing element 17 is preferably in form-fitting and / or non-positive contact with from below the swivel joint 4 brought to the lamp arm 3 or its end region 16 which is passed through the through opening 15 (cf. for example Figure 8 ).
  • the end region 16 is preferably made narrower than the part of the lamp arm 3 adjoining it, so that a gradation extending from the end region 16 to the remaining part of the lamp arm 3 is formed.
  • the swivel joint 4 is preferably provided between this gradation and the securing element 17.
  • the securing ring 17 preferably has an opening through which the end region 16 can be guided, so that the lamp arm 3 is axially secured with respect to the swivel joint 4.
  • the lamp arm 3 and / or the swivel joint 4 can each have a structure for limiting the rotatability of the second axis of rotation 6, in particular such that the rotatability of the lamp arm 3 about the second axis of rotation 6 at an angle of rotation of 360 ° + / - 5 ° is limited.
  • Both the lamp arm 3 and the swivel joint 4 can each have a structure 18, 19 which is designed, for example, as a stop or projection. As soon as the structures 18, 19 interact, ie come into mechanical contact with one another, the rotational mobility of the second axis of rotation 6 is limited.
  • the structure 19 on the side of the swivel joint 4 can be provided such that it can be moved or dragged in such a way that when the structures 18, 19 interact, the lamp arm 3 can still be rotated about the second axis of rotation 6, namely (only) within a defined angle of rotation range.
  • This range of rotation angles is preferably from 0 ° to 10 °.
  • the movability of the structure 19 with respect to the swivel joint 4 can, as in particular in FIG Figure 5 recognizable, can be brought about by the structure 19 being movably mounted in a recess 20 extending in accordance with the angle of rotation range, for example in the form of a groove or an elongated hole.
  • the recess 20 preferably has an arcuate shape, so that the center of this arc lies on the axis of rotation A. Accordingly, if the structure 19 abuts one of the ends of the cutout 20, the rotatability about the second axis of rotation 6 in the direction of this end is limited; when the rotational mobility is limited, the structure 19 is then clamped between this end and the structure 18.
  • the respective structure 18, 19 can be formed or provided integrally or separately with the lamp arm 3 or swivel joint 4.
  • the structure 18 can be provided separately from the lamp arm 3, for example via a ring 21 with which the structure 18 is integrally formed.
  • the ring 21 is in turn connected to the lamp arm 3 in a non-positive and / or positive manner.
  • the opening of the ring 21 through which the lamp arm 3 is guided preferably has a shape corresponding to the end region 16 of the lamp arm 3, so that the ring 21 is rotatably fixed with respect to the lamp arm via the form-fitting effect caused by the mutually corresponding shapes with the end region 16 3 is connected.
  • the ring 21 is preferably provided or clamped between the swivel joint 4 and the step extending from the end region 16 to the remaining part of the lamp arm 3 and / or in contact with it.
  • the lamp 1 also has a first locking element 30, which between a first release position in which the lamp head 2 can be aligned via the first axis of rotation 5 and a first locking position in which the first axis of rotation 5 is locked and accordingly the lamp head 2 cannot be rotated about the first axis of rotation 5, is movable.
  • the first locking element 30 can be in (only) non-positive and / or positive contact with the rotary joint 4, in order to block rotation of the lamp head 2 about the first axis of rotation 5.
  • the contact between the pivot joint 4 and the locking element 30 is preferably a flat contact in order to effect the locking of the first axis of rotation 5 as quickly and effectively as possible.
  • the static friction force between the swivel joint 4 and the first locking element 30 is preferably so high that an adjustment / rotation of the lamp head 2 about the first axis of rotation 5 is avoided.
  • the first locking element 30 is preferably mounted in the first bearing element 8.
  • the first locking element 30 can be a tensioning element, which is preferably mounted in the bearing element 8 and at least partially (at least partially) surrounds the rotary joint 4 in order to be in positive and / or positive contact with the rotary joint 4 in the first locking position, so that the first axis of rotation 5 is locked.
  • the corresponding contact surfaces of the clamping element 30 and the swivel joint 4, which effect the locking of the first axis of rotation 5 have a corresponding shape, for example an arc shape.
  • a flat contact between clamping element 30 and swivel joint 4 can thus be provided in a particularly simple manner. If the tensioning element 30 is tensioned, the tensioning element 30 comes ever closer to the swivel joint 4 and finally comes into non-positive and / or positive contact with the swivel joint 4, that is to say into the first locking position.
  • the tensioning element 30 is preferably designed as a tensioning band (brake or friction band) and preferably wraps around the swivel joint 4.
  • the tensioning element 30 can be made from an elastic material, for example from metal or from an elastomer (rubber). It is particularly preferred if the tensioning element 30 is formed from a metal strip, in particular is bent.
  • the luminaire 1 also has a second locking element 40, which between a second release position in which the luminaire head 2 can be aligned via the second axis of rotation 6 and a second locking position in which the second axis of rotation 6 is locked and accordingly the lamp head 2 cannot be rotated about the second axis of rotation 6, is movable.
  • the second locking element 40 in the second locking position is preferably in non-positive and / or positive contact with a third locking element 50 which is provided in a rotationally fixed manner with respect to the second axis of rotation 6. If the second locking element 40 is moved towards the third locking element 50, this moves second locking element 40 in the second locking position. If the second locking element 40 moves away from the third locking element 50, the second locking element 40 moves back into the second release position.
  • the third locking element 50 is preferably provided in a rotationally fixed manner with respect to the lamp arm 3, for example by means of positive and / or positive locking, preferably only by means of positive locking, and thus serves as a “driver”.
  • the third locking element 50 can have an opening or passage opening 51, preferably provided centrally with respect to the locking element 50, which has a shape that corresponds to the shape or the cross section of the lamp arm 3, preferably the end region 16, in order thus to third locking element 50 with respect to the Make the lamp arm 3 non-rotatable by means of a positive connection.
  • the third locking element 50 is clamped between the rotary joint 4, ie an underside of the rotary joint 4, and the second locking element 40 in order to lock the second axis of rotation 6.
  • the third locking element 50 can be provided between the locking element 17 and the swivel joint 4 and from the locking element 17 (from below the third locking element 50 and the swivel joint 4) (loose) being held.
  • the third locking element 50 is preferably designed as a disk, that is to say, when viewed in plan view of the third locking element 50, has a preferably circular shape and is thin-walled.
  • the third locking element 50 is not limited to a specific shape. Rather, any shape is suitable for the third locking element 50 which, when connected in a rotationally fixed manner to the second axis of rotation 6 or to the lamp arm 3, can be brought into positive and / or positive contact with the second locking element 40 at any angle of rotation with respect to the second axis of rotation 6 is.
  • the second locking element 40 can be movably received by the swivel joint 4, in particular can be moved translationally (linearly) in order to be moved between the second release position and the second locking position.
  • the (translational) mobility of the second locking element 40 is indicated by the double arrow.
  • the second locking element 40 is movably received by the swivel joint 4, preferably at one end of the swivel joint 4, preferably at the end of the swivel joint 4 on the side of the bearing element 8.
  • the second locking element 40 can have at least one guide element 41 which is guided by a corresponding guide element 42 on the side of the swivel joint 4 in order to achieve the corresponding movement.
  • the guide element 41 is designed as a pin (pin) which is guided in the guide element 42, which is designed as a bore.
  • the second locking element 40 is thus received in a translationally movable manner by the swivel joint 4. It can too two guide elements or pins 41 can be provided, which are received in corresponding guide elements or bores 42, in order to bring about only a translatory movement of the second locking element 40 with respect to the swivel joint 4.
  • this can also be pivotably received by the rotary joint 4 via corresponding guide elements in order to be moved between the second release position and the second locking position;
  • a hinge can pivotably connect the first locking element 40 to the swivel joint 4.
  • the second locking element 40 preferably has a solid structure.
  • the second locking element 40 can in particular be designed as a shoe (analogous to a brake shoe).
  • the second locking element 40 can have a friction surface opposite the third locking element 50, in order thus to bring about a high adhesive or sliding friction force between the second locking element 40 and the third locking element 50, that is to say in particular a flat contact between the same.
  • the lamp 1 also has a locking element (actuating device) 60 (which can be operated by a fitter or operator) in order to move the first locking element 30 between the first release position and the second locking position.
  • the locking element 60 can preferably be operated from outside the lamp 1 or from outside the lamp head 2.
  • the locking element 60 can preferably be operated by means of a tool (screwdriver, Allen key, etc.) and / or without tools, that is to say, for example, through an area which is integrally formed and manageable with the locking element 60.
  • the locking element 60 is designed as a screw (set screw), so that the first locking element 30 can be moved between the first release position and the first locking position by screwing the screw.
  • a nut 61 can be screwed onto the screw 60, so that rotation of the screw 60 causes the nut 61 to move along the screw shaft 62 (translationally) or is moved, for example because the nut 61 cannot rotate with respect to the bearing element 8.
  • the screw 60 can be mounted in the first bearing element 8, for example in a through hole 8a formed in the bearing element 8.
  • the mounting can, for example, be such that the screw is rotatable but axially fixed.
  • the screw 60, in particular the screw shaft 62 can be supported on a bearing area 8b of the bearing element 8. Consequently, the movement of the nut 61 along the screw shaft 62 can be used to move the first locking element 30 between the first release position and the first locking position.
  • the screw 60 is screwed into a bore, in particular a through bore, with a screw thread, in order to move the screw as a whole with respect to the bore and thus with respect to the first locking element 30 or the first axis of rotation 5 by means of the screwing movement.
  • the first locking element 30 can also be moved between the first release position and the first locking position.
  • the clamping element 30 is tensioned by means of the locking element 60 in order to move it from the first release position into the first locking position as described above.
  • the tensioning element 30 is moved from the first locking position into the first release position in that the tensioning element 30 is relaxed by means of the locking element 60.
  • the nut 61 can, for example, be brought into contact with a surface of the tensioning element 60 facing the swivel joint 4 such that by moving the nut 61 along the screw shaft 62 and away from the swivel joint 4, the nut 61 presses against this surface in order to tighten the tensioning element 30 tighten.
  • the tensioning element 30 is relaxed in a corresponding manner when the nut 61 is moved in the direction of the swivel joint 4.
  • the locking element 60 can be connected to an end region 31 of the clamping element 30, so that by means of the locking element 60, in particular by the movement of the nut 61 along the screw shaft 62 or by the movement of the screw 60 as a whole, this end region is moved away from the swivel joint 4, to thus tighten (tighten) the tensioning element 30 and in to bring non-positive and / or positive contact with the rotary joint 4. That is, the end region 31 can have the aforementioned surface with which the nut 61 can be brought into contact.
  • the end region 31 can be formed by the two ends of the tensioning element or tensioning band 30, which preferably overlap when viewed in the direction of the manipulation direction of the locking element 60 (cf. for example Figure 8 ).
  • the end region 31 or the two ends forming the end region 31 can each have a through opening 32 through which the screw shaft 62 is guided, so that the nut 61 is then screwed onto the screw shaft 62.
  • the tensioning element 30 does not have to have an end region 31, so that the tensioning element 30 can also be provided endlessly.
  • the locking element 60 is designed according to the invention to be moved between a release position in which the lamp head 2 can be aligned via the axes of rotation 5, 6 and a locking position in which the axes of rotation 5, 6 are (simultaneously) locked. In the exemplary embodiment shown in the figures, this takes place in that the locking element 60 interacts with at least one of the locking elements 30, 40 in such a way that both locking elements 30, 40 move simultaneously between their release position and their locking position.
  • the first locking element 30 is arranged with respect to the second locking element 40 in such a way that by moving the first locking element 30 from the first release position to the first Locking position, the second locking element 40 is simultaneously moved from the second release position into the second locking position.
  • the first locking element 30 is arranged with respect to the second locking element 40 such that, by moving the first locking element 30 from the first release position to the first locking position, the first locking element 30 comes into non-positive and / or positive contact with the second locking element 40, thereby also move the second locking element 40 from the second release position into the second locking position.
  • the first locking element 30 can, for example, at least partially surround the second locking element 40 in order to thus define an area or space in which the swivel joint 4, the second locking element 40 and preferably the third locking element 50 are provided.
  • this area is narrowed or reduced, so that the first locking element 30 comes into non-positive and / or positive contact with both the swivel joint 4 and with the second locking element 40, i.e. hugs the swivel joint 4 and the second locking element 40.
  • the non-positive and / or positive contact between the first locking element 30 and the rotary joint 4 effects the first locking position, that is to say a locking of the first axis of rotation 5 provided by the rotary joint 4.
  • first locking element 30 is preferably provided as a tensioning element, then this at least partially surrounds or wraps around both the swivel joint 4 and the second locking element 30, for example in the form of an arc 33 which wraps around the swivel joint 4 and the second locking element 30
  • Space in which the swivel joint 4, the second locking element 40 and preferably the third locking element 50 are provided is thus defined in particular by the circular arc 33, so that the aforementioned narrowing or reduction of this area by tensioning (tightening) the tensioning element 30 and thus Reduction of the diameter of the circular arc 33 is effected.
  • the respective surface of the swivel joint 4 and the second locking element 40 which can be brought into non-positive and / or positive contact with the tensioning element 30, has a shape which corresponds to that of the tensioning element 30, in particular that of the circular arc 33. It can thus be brought about that the swivel joint 4 and the second locking element 40 simply come into flat contact with the clamping element 30.
  • both turning axes 5, 6 can be locked or released simultaneously by means of only one locking element 60, that is to say in particular the two locking elements 30, 40 can be moved into their respective locking positions.
  • this can be done in that the locking element 60 is (directly) functionally connected only to the first locking element 30.
  • the locking element 60 interacts both with the first locking element 30 and with the second locking element 40, that is to say is (directly) functionally connected to them.
  • the second locking element 40 can function in accordance with the first locking element 30, that is to say like the preferred clamping element described above, wherein a single locking element interacts with both clamping elements simultaneously in order to simultaneously move them into their respective locking position (and back again into their respective release position) move.
  • the luminaire 1 can furthermore have a luminaire housing 70 in which at least the swivel joint 4 and preferably the locking elements 30, 40 and particularly preferably the third locking element 50 are provided or received.
  • the lamp arm 3 connected to the swivel joint 4 preferably protrudes from the lamp housing 70.
  • the lamp housing 70 can also accommodate the carrier plate 14.
  • the luminaire housing 70 can furthermore have illuminants (for example LEDs) and / or other electrical and / or electronic components for operating the luminaire 1, which are not shown in detail.
  • the lamp housing 70 preferably has a cylindrical shape.
  • a lamp head attachment 71 can be connected to the lamp housing 70, for example by means of corresponding fastening means (screw connection, clip connection or other non-positive and / or form-fitting fastening means).
  • the lamp head attachment 71 preferably has the light emission opening of the lamp head 2.
  • the locking element 60 can be provided in the luminaire housing 70 in such a way that it can be operated from outside the luminaire housing 70, in particular from the rear of the luminaire housing 70.
  • the luminaire housing 70 has a cover part 72 on the back of the luminaire housing 70, in which the fixing element 60 is mounted, for example via a through hole is so that the locking element 60 is accessible from the outside of the luminaire housing 70 and can thus be operated.
  • the cover part 71 preferably has a shape which corresponds to that of the lamp housing 70, that is to say, for example, a circular shape.
  • the cover part 71 is connected to the lamp housing 70 preferably via at least one fastening means 72 (screw etc.), preferably via two fastening means 72.
EP19195504.6A 2018-09-11 2019-09-05 Luminaire Active EP3623698B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018122093.6A DE102018122093A1 (de) 2018-09-11 2018-09-11 Leuchte

Publications (2)

Publication Number Publication Date
EP3623698A1 true EP3623698A1 (fr) 2020-03-18
EP3623698B1 EP3623698B1 (fr) 2021-02-17

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EP (1) EP3623698B1 (fr)
DE (1) DE102018122093A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11543105B2 (en) 2020-11-04 2023-01-03 Neri S.P.A. Coupling lamps to pole mounts

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6079992A (en) * 1997-10-21 2000-06-27 Genlyte Thomas Group Llc Track lighting fixture
DE202005001472U1 (de) * 2005-01-28 2006-06-08 Erco Leuchten Gmbh Vorrichtung zur Befestigung einer Leuchte an einer raumfesten Fläche
WO2006087216A1 (fr) * 2005-02-18 2006-08-24 Zumtobel Lighting Gmbh & Co. Kg. Lampe equipee d'un projecteur et dispositif de fixation mobile pour un projecteur
DE202008004448U1 (de) * 2008-04-01 2009-08-13 Zumtobel Lighting Gmbh & Co. Kg Strahlerleuchte
DE102008009502A1 (de) * 2008-02-15 2009-10-29 Schott Ag Gelenk für eine Leseleuchte

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010010124A (ja) * 2008-05-28 2010-01-14 Toshiba Lighting & Technology Corp 照明装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6079992A (en) * 1997-10-21 2000-06-27 Genlyte Thomas Group Llc Track lighting fixture
DE202005001472U1 (de) * 2005-01-28 2006-06-08 Erco Leuchten Gmbh Vorrichtung zur Befestigung einer Leuchte an einer raumfesten Fläche
WO2006087216A1 (fr) * 2005-02-18 2006-08-24 Zumtobel Lighting Gmbh & Co. Kg. Lampe equipee d'un projecteur et dispositif de fixation mobile pour un projecteur
DE102008009502A1 (de) * 2008-02-15 2009-10-29 Schott Ag Gelenk für eine Leseleuchte
DE202008004448U1 (de) * 2008-04-01 2009-08-13 Zumtobel Lighting Gmbh & Co. Kg Strahlerleuchte

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11543105B2 (en) 2020-11-04 2023-01-03 Neri S.P.A. Coupling lamps to pole mounts

Also Published As

Publication number Publication date
EP3623698B1 (fr) 2021-02-17
DE102018122093A1 (de) 2020-03-12

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