EP4098939A1 - Dispositif de fixation à angle ajustable pour luminaires extérieurs - Google Patents

Dispositif de fixation à angle ajustable pour luminaires extérieurs Download PDF

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Publication number
EP4098939A1
EP4098939A1 EP22176823.7A EP22176823A EP4098939A1 EP 4098939 A1 EP4098939 A1 EP 4098939A1 EP 22176823 A EP22176823 A EP 22176823A EP 4098939 A1 EP4098939 A1 EP 4098939A1
Authority
EP
European Patent Office
Prior art keywords
fastening
sections
fixing element
another
joint axis
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.)
Pending
Application number
EP22176823.7A
Other languages
German (de)
English (en)
Inventor
Karsten Marquas
Nina Maria HESSE
Frank Drees
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.)
Trilux GmbH and Co KG
Original Assignee
Trilux GmbH and Co KG
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 Trilux GmbH and Co KG filed Critical Trilux GmbH and Co KG
Publication of EP4098939A1 publication Critical patent/EP4098939A1/fr
Pending 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
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • F21V21/116—Fixing lighting devices to arms or standards
    • 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
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads

Definitions

  • the invention relates to a fastening device for fastening an outdoor lamp to a lamp post, a lamp arrangement and a use of the fastening device to implement a lamp arrangement.
  • Generic lighting arrangements are used, for example, to illuminate mostly large areas, in particular external areas, such as streets, paths, public squares, parks and green areas and the like.
  • generic lighting arrangements are often used together with several other lighting arrangements arranged at a distance from one another as a lighting system. Increased demands are usually placed on such lighting arrangements.
  • they should preferably have a robust design in order to ensure a long service life, have a small surface exposed to wind and be sealed against the ingress of moisture, in particular according to a classified protection type, for example at least IP66, in order to be sufficiently weatherproof.
  • Generic lighting arrangements are customary for this purpose constructed in such a way that they comprise an outdoor lamp and a structure, in particular a lamp post, a wall or a ceiling, which are connected to one another.
  • a light pole is usually designed as a concrete or metal pole.
  • the exterior lamp usually includes at least one light source, in particular a group of light sources, which in particular includes at least one LED, and a lamp housing in which the light sources are accommodated.
  • the exterior light also includes an optical device which, for example, includes at least one reflector and/or a lens, which interacts with the light sources to implement a defined emission characteristic of the light arrangement.
  • Outdoor light and structure are usually connected by means of a fastening device.
  • the fastening device can include the exterior lamp or can be fastened with an end section to the exterior lamp in order to implement the lamp arrangement.
  • a fastening device suitable for a wall as a structure often has a mounting part designed as a mounting plate, with which it can be placed on the wall and fastened to it.
  • a typical light mast usually extends with its mast length over several meters, in particular over at least 2.5 m, in particular between 3 m and 9 m.
  • the light mast is intended to be anchored to a substrate with a first end section, whereas the fastening device is mounted on its second end section and it extends with its mast length between its ends formed by the end sections.
  • the second end portion is usually formed in the manner of a cylinder, and the fastening device is Usually pushed onto the second end section of the light pole with a section designed in the manner of a hollow cylinder, which section is designed in particular by the mounting part of the fastening device.
  • a second end section is usually referred to as a spigot.
  • the cylindrical configuration or hollow-cylindrical configuration is essentially cylindrical, with the side walls being able to have a slight angle to the axis of extension, so that the mast spigot and the corresponding section of the fastening device can be designed in the manner of a slightly truncated cone.
  • the lamp mast extends with its lamp mast length over at least 2.5 m, in particular at least 3 m, along the vertical, ie along the direction of the gravitational force acting on the earth.
  • the fastening device is usually articulated, so that the outdoor light can be rotated over a defined angular range to adjust the radiation characteristics for a particular application by adjusting a relative angular position of the outdoor light and the building to one another relative to the building.
  • the fastening device comprises a number of fastening parts: A lamp connection part and a mounting part connected to it in an articulated manner for mounting on the structure, which can be rotated relative to one another about a hinge axis in a mounted state and are fixed in an angular position to one another in an operating state.
  • the joint axis usually runs perpendicular to the vertical.
  • the ability to rotate around the joint axis and an axial mobility along the joint axis of the fastening parts relative to one another is usually limited to less than 1° or less than 5 mm and, in an assembled state, at least allows rotation by at least 10°.
  • the lighting arrangements are used with their fastening device in the operating state for lighting.
  • an outdoor light together with the light connection part usually has a weight of at least 5 kg, in particular at least 10 kg, and that extreme weather conditions, such as gusts of wind and hail, sometimes prevail in the case of outdoor lights.
  • a common approach to the realization of such fastening devices consists in providing mutually corresponding, toothed, interlocking fastening surfaces on the fastening parts, each of which has a cross-section in the form of a segment of a circle perpendicular to the joint axis.
  • a threaded hole is provided in one of the fastening parts, and a slot is provided in the other, through which a screw is passed, which is screwed into the threaded hole and presses the fastening surfaces together in the operating state.
  • a generic fastening device for fastening an outdoor light on a building is, for example, in WO 2020/144191 A1 disclosed.
  • the mounting part has a cylindrical receptacle in which a bolt element is rotatably mounted.
  • the cylinder axis of the socket defines the hinge axis of the fastening device.
  • the bolt element extends beyond the socket on both sides. Outside the receptacle, the lamp connection part rests against the bolt element on both sides of the receptacle and is held pressed against the bolt element on both sides by a screw.
  • this ensures reliable power transmission from the lamp connection part to the assembly part, and on the other hand, this limits the axial displacement of the fastening parts relative to one another to a play that results from the distance between the lamp connection part on both sides and the receptacle formed by the assembly part.
  • toothed fastening surfaces which correspond to one another and which engage when the lamp connection part is pressed against the mounting part by the screw are additionally provided on the fastening parts.
  • this fastening device basically enables a mechanically robust fixing of the fastening parts to one another and a simple adjustment of the angular positions of the fastening parts
  • the construction described brings with it an axial displacement play and a torsional play about the joint axis, which can only be minimized by very complex, precise manufacturing processes.
  • axial play can only be completely avoided if the lamp connecting part lies hard against the mounting part on the side, which is hardly feasible and involves considerable friction losses and thus difficulties when adjusting the angular position of the fastening parts to each other.
  • due to manufacturing tolerances a high-precision coordination between the toothed interlocking fastening surfaces and the pressing of the lamp connection part on the bolt element is only possible with difficulty.
  • the object of the present invention is to provide a fastening device, a lamp arrangement and a use of the fastening device for realizing a lamp arrangement which pursues a different approach and at least partially eliminates at least one of the aforementioned disadvantages.
  • the fastening device is used to fasten an outdoor light to a structure. It comprises at least two fastening parts which are connected to one another in an articulated manner and which are made in particular from a metal, for example from steel, aluminum and/or a metal alloy, in particular aluminum alloy, and/or a composite material.
  • One of the fastening parts is designed as a lamp connection part and another of the fastening parts is designed as a mounting part for mounting on the structure.
  • the lamp connection part comprises at least part of the exterior lamp, in particular the fastening part designed as a lamp connection part is designed integrally with the exterior lamp.
  • the exterior light can be detachably fastened to the light connection part.
  • the fastening device also comprises a bolt element which is accommodated in a receptacle of a first of the fastening parts so as to be rotatable relative thereto about a hinge axis.
  • Bolt element releasably received in the receptacle, in particular in such a way that it can be releasably removed from the receptacle by axial displacement relative to the first fastening part when it is not interacting with other components of the fastening device.
  • directional references such as axial, radial, tangential and rotational, as well as a circumferential direction, are related to the joint axis, with the joint axis being defined by the rotatable interaction of the bolt element and receptacle.
  • the bolt element and the first fastening part are preferably made of different materials, for example the first fastening part is made by means of a die-cast metal, in particular die-cast aluminum, and the bolt element is made of steel.
  • the receptacle of the first fastening part is particularly preferably designed as a slide bearing, in particular in such a way that the bolt element can be slidably rotated in the receptacle, in particular without lubrication.
  • the bolt element is accommodated in the receptacle in the assembled state and in the operating state with little radial play, in particular free of play, in a form-fitting manner.
  • the bolt element extends over at least 40%, in particular over at least 60% of its axial extent radially symmetrically around the joint axis.
  • the fastening device can generally have features that are described in connection with generic fastening devices.
  • a second of the fastening parts is fixed to the bolt element by means of a fixing element, in particular limiting axial mobility of the bolt element relative to the first fastening part and limiting axial mobility of the fastening parts relative to one another.
  • a closed operating state is preferred Force flow generated between the first fastening part, the second fastening part, the bolt element and the fixing element.
  • the fixing element is preferably rod-shaped at least in sections, with the fixing element in particular having its main extent, ie its greatest extent, in the radial direction, ie along a direction perpendicular to the joint axis.
  • the fixing element is particularly preferably designed as a one-piece screw, which preferably forms its screw head at the end of its extension which is at a maximum distance from the bolt element.
  • the fastening parts are preferably held captive by the interaction of the bolt element and the fixing element and, starting from the assembled state, can only be detached from one another by detaching the fixing element from the bolt element.
  • the fastening parts can be rotated relative to each other only about the joint axis in the assembled state, with insignificant play-related rotational mobility perpendicular thereto over an angle perpendicular to the joint axis of in particular less than 1°, in particular less than 0.5°, being neglected.
  • the fastening parts preferably do not bear directly against one another, but only indirectly against one another via the fixing element and bolt element.
  • a first fastening surface comprised by the first fastening part is pressed radially and in particular directly against a second fastening surface comprised by the second fastening part by a radial pressing force generated by the interaction of fixing element and bolt element in particular complete prevention of rotation of the fastening parts relative to one another about the hinge axis.
  • the prevention of the rotation means in particular that the fastening parts can only be rotated in the operating state with non-intended damage, in particular destruction, of at least one section of the first and/or the second fastening part.
  • the first fastening part in the assembled state, can be arranged in an indefinite number of angular positions relative to the second fastening part over an angular range, wherein in the operating state an arrangement of the fastening parts is limited to one of a certain number of angular positions in which the operating state can exist is, this specific number of angular positions is preferably predetermined by interlocking teeth of the mounting surfaces.
  • this specific number of angular positions is preferably predetermined by interlocking teeth of the mounting surfaces.
  • the bolt element can be sleeve-shaped, in particular in such a way that it is rotatably accommodated in the receptacle by radially enclosing a section encompassed by the receptacle with a hollow-cylindrical section along the joint axis.
  • the first fastening part is particularly preferably designed in such a way that the first fastening surface comprises a first surface section and a second surface section, in particular spaced therefrom, and the second fastening surface comprises a first surface section and a second surface section, in particular spaced therefrom, with the first surface sections being pressed against one another and the second surface sections being pressed against one another in the operating state
  • Surface sections are pressed together, in particular each with an equal proportion, in particular at least one third, in particular one half, of the pressing force.
  • the first fastening part particularly preferably has several first fastening sections and preferably the second fastening part has several second fastening sections, with the surface sections of the first fastening parts being formed on the first fastening section and the surface sections of the second fastening part on the second fastening section.
  • the inventors have unexpectedly found that a secure and robust fixing of the fastening parts relative to one another is already ensured by realizing an interaction of the first fastening surface and the second fastening surface in the operating state as described above.
  • the construction can be significantly simplified compared to generic fastening devices, which in particular must include a large number of other features, and at the same time meet the requirements required for mounting the outdoor light on the structure.
  • the simplified design already avoids mechanical overdetermination in the operating state, since the fastening surfaces simultaneously ensure that the fastening parts are pressed together for reliable holding and prevent the fastening parts from twisting relative to one another.
  • the inventors have also found that a high pressing force can be transmitted via the fastening surfaces pointing radially towards one another, so that even an outdoor lamp that, together with the lamp connection part, weighs more than 10 kg, in particular more than 15 kg, reliably in any angular position inside of the angular range over the attachment device relative to the Structure can be fixed.
  • the first and second fastening surfaces interact in a form-fitting manner in the operating state in such a way that a rotational movement and an axial movement of the fastening parts relative to one another are blocked at the same time.
  • the fastening surfaces preferably form a single blocking contour which, at the same time, d. H. in the same way, in particular in a surface point of the fastening surfaces, which blocks the rotational and axial movement.
  • the first fastening surface has a first blocking contour and the second fastening surface has a second blocking contour designed to correspond to the first blocking contour, with the two blocking contours adjoining one another in the operating state at a common point of contact in such a way that an axial and a rotary movement, i.e. a rotary movement, is thereby achieved at the same time around the joint axis, is prevented.
  • the fastening surfaces preferably lie flat against one another, at least in sections.
  • the individual blocking contour means that it is not one blocking contour of a fastening surface that blocks the rotational movement and another blocking contour of the fastening surface that blocks the axial movement, but that one blocking contour ensures that both the rotational and the axial movement are blocked.
  • the fastening device is designed in such a way that the first fastening surface and the second fastening surface are each at least partially with a radial extend component.
  • the fastening surfaces bear against one another at least with a section within which the radial component extends in each case.
  • the axial movement of the fastening parts relative to one another is thus preferably blocked by an interaction of the first and the second fastening surface within their respective extent, which has the radial component, the extent of which runs at least with a component perpendicular to the joint axis.
  • first and the second fastening surface are designed to correspond in such a way that in the operating state the radial pressing force is transmitted at least partially through the sections having the radial component.
  • At least one surface section of the first fastening surface and at least one surface section of the second fastening surface are structured to correspond, in particular in such a way that the surface sections are designed to correspond to one another, in particular macroscopically, in relief.
  • the first and the second fastening surface preferably have a large number of sections, one component of which extends radially and with which they abut one another in the operating state, preferably tangentially, ie perpendicularly to the radial direction and to the joint axis, abut one another, preferably additionally radially one another issue.
  • two surface subsections are the first Fastening surface offset in the circumferential direction arranged radially one behind the other to form a projection, and two lower surface sections of the second surface section arranged offset in the circumferential direction radially one behind the other to form a recess, with the projection and recess engaging in a form-fitting manner in the operating state.
  • the at least one surface section of the first fastening surface and the at least one surface section of the second fastening surface interact in a form-fitting manner in the operating state in such a way that rotation of the fastening parts relative to one another around the joint axis is avoided.
  • the surface sections each have a toothed structure. This means that the at least one surface section of the first and the at least one surface section of the second fastening surface are correspondingly structured in such a way that they form corresponding toothings, which in the operating state intermesh in a form-fitting manner, i.e. at least radially overlap, preventing the fastening parts from rotating relatively to each other.
  • the structured surface sections of the fastening surfaces are preferably designed to interact in such a way that the angular positions in which the fastening parts can be arranged in the operating state are each between two adjacent angular positions, i.e. no other angular position can be set between the two angular positions in the operating state , by angular intervals of max. 10°, in particular max. 6°, in particular 5°.
  • the fastening surfaces run along at least sections, in particular at least with their correspondingly structured surface section the circumferential direction around the joint axis.
  • the surface sections with their structuring or toothing each run in the circumferential direction over at least a quarter of a circumference running around the joint axis.
  • the circumferential direction runs tangentially to the joint axis at every point around the joint axis.
  • At least one, in particular only one, of the surface sections of the fastening surfaces pressed against one another in the operating state, in particular each of the surface sections of at least one of the fastening surfaces, has at least 15, in particular at least 20 teeth over its tangential extension, which are preferably distributed evenly tangentially are, at least half of which mesh in each possible angular position in the operating state.
  • the number of teeth of at least one, in particular both, of the surface sections of one of the fastening surfaces is at least 1.4 times, in particular at least 1.7 times, in particular at least twice the number of teeth of the surface section to which it is attached in the operating state is pressed.
  • the first fastening part has a number of first fastening sections and the second fastening part has a number of second fastening sections.
  • the first fastening sections are preferably designed to correspond to the second fastening sections in such a way that a first fastening section overlaps a second fastening section axially, in particular completely, and is arranged next to one another radially at least in sections.
  • At least one, in particular two of the first fastening sections and at least one in particular two of the second fastening sections are designed like a bevel gear.
  • At least one section of one of the fastening sections is designed in principle like a section of a bevel gear with which the bevel gear interacts with another bevel gear as intended for torque transmission, and in particular has teeth.
  • at least one of the first and one of the second fastening sections is designed in the manner of an externally toothed bevel gear.
  • the fastening sections have a lateral surface, the lateral surface meaning a surface that runs at least partially around the joint axis, points radially to the joint axis or away from the joint axis and also has a portion of its extent in the axial direction.
  • the lateral surface of the first fastening section is particularly preferably designed at least in sections as one of the surface sections of the first fastening surface and the lateral surface of the second fastening section is designed at least in sections as one of the surface sections of the second fastening surface. All of the surface sections are particularly preferably designed as part of one of the lateral surfaces of the fastening sections designed in the manner of a bevel gear. In particular, the surface sections of the first fastening surface point axially in opposite directions and the surface sections of the second fastening surface point axially in opposite directions.
  • the first fastening surface preferably extends with a first surface section as the lateral surface of a first fastening section and with a second surface section as the lateral surface of a further first fastening section in each case in the manner of a bevel gear around the joint axis.
  • the first fastening surface and the second fastening surface each have two surface sections spaced apart from one another along the joint axis, in particular spaced apart from one another by at least 10%, in particular by at least 30%, in particular by at least 50% of an axial extension of the bolt element along the joint axis.
  • the surface sections of the first fastening surface that are spaced apart from one another along the joint axis are the first surface section and the second surface section of the first fastening surface
  • the two surface sections of the second fastening surface that are spaced apart from one another along the joint axis are the first and second surface sections of the second fastening surface.
  • the fixing element is arranged, in particular axially, at least in sections between the surface sections, wherein, as an alternative or in addition to the aforementioned features, the fixing element has two fixing element sections spaced apart from one another along the joint axis.
  • the arrangement of the fixing element axially between the surface sections ensures axial centering of the fastening parts relative to one another in the operating state, with the surface sections particularly preferably being designed as a lateral surface of a conical fastening section, as explained.
  • the first and the second fastening surface are arranged at least in sections between these fixing element sections.
  • the fixing element is designed in two parts such that each of its parts has one of the fixing element sections spaced apart from one another, the second fastening part being fixed to the bolt element by means of both of the parts.
  • the first attachment surface and / or the second attachment surface, in particular Height of the fixing element executed in an interrupted manner, the interruption separating the spaced-apart surface sections.
  • the fixing element is spaced axially from the first surface section and from the second surface section of the first fastening surface.
  • the fixing element is preferably spaced axially from the first surface section and from the second surface section of the second fastening surface.
  • All of the surface sections are preferably structured.
  • the spaced arrangement of the surface sections or the fixing element sections enables an improved introduction of force from the first fastening part to the second fastening part without generating a tilting moment, since a force is introduced in a radial direction axially between two force introduction points at which a force is introduced radially in the opposite direction avoids such a tilting moment.
  • the surface sections of the first fastening surface and/or the surface sections of the second fastening surface are spaced apart from one another axially, in particular at least by the amount of a maximum axial extension of a section of the fixing element that radially overlaps with the surface sections, in particular at the radial height, in particular by a factor of 1.0 up to 2.0 times, in particular 1.0 times to 1.5 times this maximum axial extent of the fixing element.
  • the surface sections of the first fastening surface and/or the surface sections of the second fastening surface are additionally or alternatively spaced apart axially by at least 50%, in particular at least 70%, of a mean axial extension of the first and second surface sections. The inventors recognized that such a spacing has a wear-reducing effect, since collisions between the fixing element and the second fixing element are prevented.
  • the fixing element has a first gripping section and the second fastening part has a second gripping section designed to correspond to the first gripping section.
  • the bolt element has a second gripping section.
  • the fixing element is connected to the second fastening part by the interaction of the first rear grip section and the second rear grip section.
  • the bolt element has the corresponding second rear grip portion
  • the fixing element is connected to the bolt element by interaction of the first rear grip portion with the second rear grip portion. In this case, these gripping sections engage behind one another in such a way that a form fit is produced perpendicularly, in particular radially, to the joint axis.
  • the rear grip sections are preferably designed to correspond to one another in such a way that the pressing force acting between the first fastening surface and the second fastening surface can be adjusted by actuating the fixing element.
  • Fixing element and bolt element are designed to correspond to one another in such a way that in a state in which the fastening surfaces do not abut one another, such as in the assembled state, a twisting of the fixing element relative to the bolt element translates into a change in a distance perpendicular to the joint axis of the first fastening surface and second fastening surface to one another becomes.
  • the fixing element is rotated about an axis perpendicular to the joint axis.
  • the rear grip sections can be wedge-like and interact in such a way that an actuating force applied to the fixing element to generate the operating state is translated into the pressing force by two wedge surfaces sliding against one another, one of which is formed on one of the rear grip sections.
  • the gripping sections are designed as threads designed to correspond to one another. The actuating force can thus be translated into the pressing force proportional to a thread pitch of the thread.
  • the threads are designed to interact in a self-locking manner, thereby preventing loosening without actuation of the fixing element.
  • the fixing element can be actuated without tools to generate the assembly state, starting from an initial state in which the fastening parts, the bolt element and the fixing element are not connected to one another and are therefore separate from one another, and in particular the fixing element can also be used to generate the operating state, starting from the Assembly state and / or to generate the assembly state based on the operating state can be actuated without tools.
  • the first fastening part has first fastening portions which are separated by a between the first Attachment sections defined center area spaced and designed in particular tab-shaped.
  • the first fastening sections are lug-shaped in such a way that the first fastening part has two axially spaced lugs, each of which has an opening in which one of the end sections of the bolt element is rotatably accommodated. Both of the first fastening sections each form a section of the receptacle.
  • the bolt member is arranged with its center portion spaced from both absolute axial ends of the bolt member by at least 10%, particularly at least 20%, within the center area. Thus, the center portion of the bolt member runs through the center area.
  • the fixing element is preferably connected directly to the middle section.
  • the fixing element is preferably directly connected to the bolt element exclusively in the middle section.
  • the fixing element thus extends in sections within the central area, in particular through at least part of the central section.
  • the central area is a free space that runs axially between the first fastening sections and in which the bolt element and the fixing element are arranged at least in sections.
  • the second fastening sections extend away from the first fastening sections in the form of a web.
  • the second fastening sections are axially spaced from one another.
  • the bolt element comprises two end sections, which in particular each comprise at least one of the absolute axial ends of the bolt element, wherein the bolt element is arranged with one of its end sections in one of the sections of the receptacle, such that the section of the receptacle and the end section are axial overlap.
  • one of the axial end sections of the bolt element preferably forms a plain bearing connection in cooperation with one of the sections of the receptacle.
  • both of the slide bearing connections are preferably designed as floating bearings.
  • one of the plain bearing connections is particularly preferably designed as a fixed bearing and another of the plain bearing connections is designed as a floating bearing. A robust and simple articulated connection between the fastening parts is thus made possible.
  • the first attachment surface and the second attachment surface extend with an equal curvature around the hinge axis.
  • the first and second fastening surfaces of one of the fastening parts each extend curved around the joint axis with an equal, constant radius.
  • the first attachment surface has the same center of curvature as the second attachment surface, the centers of curvature being intersected by the hinge axis.
  • the first and the second fastening surface overlap each other in every angular position by at least 20%, in particular by at least 30%, in particular by at least 50% of their extent along the course of the curvature.
  • the course of curvature means the curved extent of the respective fastening surface in the circumferential direction around the joint axis.
  • the first and the second fastening surface preferably extend over a partial circumference, ie not over the entire circumference, around the joint axis.
  • the first and/or the second fastening surface with the same curvature as mentioned above extend over an angle around the joint axis of at least 20°, in particular of at least 30°, in particular of at least 45°.
  • the first and the second fastening surface preferably extend at a different angle, in particular at least 20°, in particular at least 40°, in particular at least 60°, around the joint axis.
  • One of the fastening surfaces preferably has an extension perpendicular to the joint axis, in particular at least 1.3 times, in particular at least 1.5 times, in particular at least twice, greater than the other of the fastening surfaces. This ensures that the fastening surfaces lie flat against one another in the operating state, preferably over the entire angular range in each of the angular positions. In particular, this ensures that in at least some of the angular positions in the operating state, at least one of the fastening surfaces rests against the other of the fastening surfaces with its full extension, as a result of which a compressive stress acting between the first and the second fastening part in the operating state is better distributed.
  • the angular range over which the fastening parts can be rotated relative to one another about the joint axis in the assembled state is at least 15°, in particular at least 30°, in particular at least 45°, in particular at least 55°, in particular at least 70°, in particular at least 80°. in particular at least 95°.
  • the fastening device can be brought into a large number of angular positions for the flexible adjustability of the outdoor light and the light pole relative to one another.
  • the fastening surfaces are particularly preferably designed to correspond to one another in such a way that two adjacent angular positions, in which the fastening parts can be arranged in the operating state, change around Distinguish angle intervals of max. 10°, in particular max.
  • the fastening parts are designed to be rotatable relative to each other about the joint axis over an angular range of no more than 310°, in particular no more than 270°, in particular no more than 220° in the assembled state.
  • the fixing element particularly preferably comprises a first holding section and a second holding section. Both holding sections preferably each form a gripping section, one of the gripping sections interacting with a gripping section formed by the second fastening part and another of the gripping sections with a gripping section formed by the bolt element.
  • the fixing element protrudes with its first holding section into a holding opening of the bolt element.
  • the fixing element is directly connected to the bolt element with its first holding section and directly connected to the second fastening part with its second holding section.
  • the second holding section preferably protrudes into a holding opening of the second fastening part, in particular its middle section.
  • the first holding section and the second holding section are spaced perpendicular to the joint axis from one another at least by a distance by which the fastening surfaces are radially spaced from the joint axis in the operating state.
  • the bolt element comprises a separate trained sleeve that forms the retaining opening of the bolt element and in particular forms the second rear grip portion.
  • the first holding section bears radially in a form-fitting manner on the bolt element.
  • the second holding section bears radially in a form-fitting manner on the second fastening part.
  • a receiving wall which is comprised of the receptacle of the first fastening part and on which the bolt element rests, supported so that it can rotate about the joint axis, and the bolt element, in particular at least one of its end sections, is pressed radially against one another by a radial holding force, with the holding force and pressing force varying in terms of amount by less than 20%, in particular by less than 10%, in particular by less than 5%.
  • the holding surfaces preferably run parallel or at an angle of less than 37° to the joint axis. Holding force and pressing force act in opposite directions in particular.
  • the fastening parts are thus pressed against one another with their fastening surfaces by the pressing force when the bolt element is pressed with the holding force against the first fastening part as a result of the interaction of the first fastening part with the fixing element.
  • Holding force and pressing force are therefore dependent on each other.
  • Holding force and pressing force are particularly preferably identical in terms of amount.
  • the first partial holding force by which the bolt element is pressed against one of the sections of the receptacle, in particular with one of its axial end sections
  • a second partial holding force by which the bolt element, in particular with its other axial end section, is pressed against another of the sections the recording is pressed from each other by less than 20%, in particular by less than 10%, in particular by less than 5%, the first and the second partial holding force together resulting in the holding force.
  • the partial holding forces each generate a partial pressing force between two axially spaced-apart surface section pairs of the two fastening surfaces.
  • a normal force acting on the lateral surface or one of the surface sections of the fastening surfaces can be greater in proportion to the angle than the radial holding force or the radial pressing force, with the holding force in particular being at least 70% of this normal force.
  • the fixing element is particularly preferably movable over the angular range at a distance from the first fastening part.
  • a movement of the fixing element in the assembled state particularly preferably takes place together with a movement of the second fastening part, in particular a movement which is uniform thereto.
  • the fixing element overlaps both axially and radially with at least one section of the first fastening part without being in contact with it.
  • the fastening device can be brought from the assembled state into the operating state while maintaining the distance between the fixing element and the first fastening part.
  • the fixing element particularly preferably intersects the joint axis, in particular with its first holding section.
  • a radial extension of the fixing element which in particular coincides with the main extension of the fixing element, preferably obliquely to a radially running main extension direction of the second fastening part.
  • This direction of main extent of the second fastening part means a direction in which the second fastening part has its maximum radial extent.
  • the fixing element is particularly preferably accessible, in particular for its actuation, from a side of the second fastening part which points in the tangential direction in relation to the joint axis. This side particularly preferably points in a direction in which the exterior light emits according to its emission characteristics.
  • the first fastening part has a support surface spaced apart from the joint axis, with which, in the assembled state, it can be attached to a supporting surface of the second fastener is supported. This prevents the first fastening part from twisting relative to the second fastening part beyond the angular range in the assembled state.
  • the angular range is limited on both sides by contact of a support surface of the first fastening part with a support surface of the second fastening part. Support surface and support surface are in contact with one another at least linearly, in particular over an area.
  • the fastening parts are designed to correspond to one another in such a way that, in particular when the fastening device is in a state of use in which the mounting part of the fastening device is mounted on the structure, a supporting force generated by the gravitational force acting on the lamp connection part acts from the supporting surface onto the supporting surface, via which the Lamp connection part is held on the mounting part in a defined position.
  • a tensile force which is generated by the gravitational force acting on the lamp connection part, acts on the fixing element.
  • the fastening device is preferably suitable for realizing the state of use in which the mounting part is mounted on a structure which has a vertically extending mounting surface on which the mounting part is mounted in the state of use, or as a lamp mast with a mast spigot axis vertically extending pole spigot is formed on which the lamp connection part is mounted in the use state.
  • the fixing element is designed, at least in sections, in the manner of a quick-action clamp.
  • the section of the fixing element designed in the manner of the quick-release clamp forms the first gripping section and preferably the second fastening part forms the second gripping section.
  • the fixing element has an actuating lever designed in the manner of an eccentric, via which it can be actuated. This means that a rotation when the actuating lever is actuated is translated into a translational movement of a section of the fixing element relative to the second fastening part, with the pressing force building up.
  • Such quick-action clamps are also known to those skilled in the art as eccentric clamps.
  • an eccentric surface of the actuating lever When the actuating lever is actuated, an eccentric surface of the actuating lever preferably presses onto a section of the second fastener.
  • the eccentric causes the fixing element to be pressed with its eccentric surface onto a surface of the second fastening part pointing radially away from the joint axis.
  • the pressing force can be applied to the fastening surfaces, in particular by a predefined movement, to produce the operating state.
  • the pressing force acting between the fastening surfaces can be adjusted by actuating the quick-release as intended.
  • the actuating lever can be actuated from the operating state by a movement opposite to the predefined movement in order to reduce the pressing force and to release the fastening parts from the operating state. This enables reliable and simple release and establishment of the operating state by actuating the actuating lever.
  • the fastening device comprises a retaining clip, which connects the first and the second fastening part in any angular position within the angular range over which the fastening parts can be rotated relative to one another in the assembled state, with the retaining clip preferably being on the second fastening part and on the bolt element and/or is attached to the first fastening part.
  • At least 50%, in particular at least 70%, in particular at least 80%, of the safety catch is arranged at a distance from the joint axis and from the fixing element.
  • the safety catch is made of sheet metal, in particular sheet metal, or of wire, in particular metal wire.
  • the catch bracket on the Bolt element is attached, in particular in such a way that it surrounds the bolt element circumferentially, the catch bracket is designed such that bolt element and catch bracket are rotatably mounted to each other, in particular about the hinge axis.
  • the shackle allows the first fastening part and the second fastening part not to be completely detached from each other in a state in which the fixing member is removed from the second fastening part and the bolt member.
  • the fastening device is fastened with its mounting part to a lamp pole and it is intended to move the fastening device from its mounted state to its operating state, or vice versa, at a height of several meters above ground when the lamp pole is connected to an outdoor lamp by means of the fastening device. to bring, since the safety bracket in case of accidental complete detachment of the fixing element from the bolt element and/or the second fastening part continues to fasten the fastening parts to one another and prevents the lamp connection part or the exterior lamp from falling down.
  • a protective cover is attached to at least one axial end of the bolt element, ie preferably at least one of the end sections, which in particular overlaps axially with at least one of the attachment surfaces.
  • a protective cover is particularly preferably attached on both axial sides to an axial end of the bolt element.
  • the fastening device preferably has two protective covers, one of which is fastened to an axial end of the bolt element.
  • the protective cover is attached to the bolt element indirectly, by means of a bolt element acting between the protective cover Fastening means and / or attached via one of the fastening parts or directly, such as by means of a snap connection.
  • the protective cover(s) prevent axial displacement of the bolt element relative to the first fastening part.
  • the protective cover is rotatably mounted about the hinge axis relative to the at least one of the fastening surfaces with which it partially overlaps.
  • the protective cover is particularly preferably designed in one piece and/or in the shape of a pot, with the pot shape being open towards the bolt element.
  • the protective cover is preferably made of plastic, in particular as an injection molded part.
  • the protective cover has a middle section which is fixed to the bolt element, in particular non-rotatably, which intersects the hinge axis and which is preferably spaced an equal distance from all axial extension ends of the protective cover.
  • the fastening device particularly preferably has a line bushing which runs around the joint axis and is in particular arranged at a radial distance from the joint axis.
  • the line bushing particularly preferably has a cavity, in particular a cavity designed in the manner of a channel, for the passage of an electrical line.
  • the electrical line serves to supply the exterior light with electrical energy and/or to transmit data.
  • the fastening device is designed, at least a portion of an electric leading to the outdoor light Record line, wherein the electrical line extends from the mounting part into the lamp connection part.
  • the cable bushing is particularly preferably designed separately from the fastening parts.
  • the line bushing protects the electrical line routed through the line bushings from damage caused by movement of one or more components of the fastening device, such as bolt element, fixing element or fastening parts. Accessibility of the section of the electrical line that is routed through the line bushing is particularly preferably prevented in the mounted state and in the operating state. The electrical line is thus better protected against environmental influences.
  • the line bushing is particularly preferably designed in the manner of a channel.
  • the line bushing is preferably designed as a component separate from the first and second fastening parts, and in particular from the fixing element and/or bolt element.
  • the fastening device particularly preferably has a display device which is designed to display a specific angular position in which the fastening device is arranged.
  • the display device preferably comprises a plurality of numerical and/or symbolic information about the angular position that is at least partially visible in the operating state and in the assembled state.
  • the display device is designed in the manner of an angle scale, with the angle scale in particular being applied to an outside of the line bushing.
  • the line bushing is preferably a plastic part, in particular a one-piece part.
  • the line bushing is particularly preferably designed, the electrical line by deflecting its section around the hinge axis, in particular around the bolt element, with specification of the course of the electrical line from the first Fastening part to lead to the second fastening part.
  • the line bushing comprises in particular a rigid channel which runs in a curved manner around the bolt element and which is preferably designed to accommodate the section of the electrical line.
  • the channel is open at both ends of its curved course radially outwards, ie in a direction pointing away from the joint axis, for the electrical line to be led in and out.
  • the channel is open on one axial side, which allows the section of the electrical line to be inserted into the channel from the open axial side.
  • the line bushing is particularly preferably non-rotatably mounted relative to one of the two fastening parts, in particular the second fastening part, and rotatably mounted relative to another of the two fastening parts, in particular the first fastening part, in particular on the bolt element and in particular on the fixing element.
  • the fixing element preferably protrudes radially through a section of the line bushing, as a result of which in particular non-rotatable mounting relative to one of the two fastening parts, in particular the second fastening part, is made possible. Due to the rotatable mounting of the cable bushing, a position of the cable bushing can be adjusted when the angular position changes, with the electrical cable being reliably guided through the cable bushing.
  • the cable bushing is mounted on the bolt element such that it can rotate with respect to the first and the second fastening part.
  • its position around the joint axis relative to the fastening parts can be made dependent exclusively on the course of the electrical line.
  • the invention also includes a lamp arrangement comprising a structural body designed in particular as a lamp mast, an exterior lamp and a fastening device according to the invention.
  • the lamp arrangement is designed in such a way that a fastening part of the fastening device designed as a lamp connection part is fastened to the exterior lamp or comprises at least part of the exterior lamp and a fastening part of the fastening device designed as a mounting part and articulated to the lamp connection part is mounted on the structure.
  • the fastening device is in the operating state.
  • the light arrangement preferably has at least one, in particular several, sensor devices for object and/or light detection and/or communication devices for in particular wireless data transmission and/or a controller, in particular with a time measuring device.
  • the fastening parts are arranged in a defined angular position relative to one another and their fastening surfaces are radially pressed together by a radial pressing force generated by the interaction of the fixing element and bolt element of the fastening device, preventing the fastening parts from rotating relative to one another about the joint axis.
  • the bolt element is mounted on the first fastening part and the fixing element is fastened on the bolt element and mounted on the second fastening part.
  • Fixing element, bolt element, first fastening part and second fastening part work together in such a way that the radial pressing force acts on the fastening surfaces.
  • the light assembly may include additional features that are described in connection with embodiments of the fastening device and / or generic Light assemblies are disclosed.
  • the invention also relates to the use of a fastening device according to the invention for realizing a lighting arrangement, in particular according to the invention.
  • the use includes that in an assembled state the first fastening part is rotated, starting from a first angular position, until a second angular position is reached relative to the second fastening part about the joint axis, in particular without the fastening parts touching, while the fastening parts are caused by the interaction of the bolt element and the fixing element are held together.
  • the fastening surfaces of the fastening parts are then moved radially towards one another, in particular by actuating the fixing element, in particular by twisting the fixing element and/or radial displacement of the fixing element relative to the second fastening part, and when the fastening parts rest against one another with their fastening surfaces, a pressing force is exerted between the fastening surfaces generated, which prevents rotation of the fasteners relative to each other about the hinge axis.
  • a rotational and an axial movement of the fastening parts relative to one another is blocked by the positive interaction of the first fastening surface and the second fastening surface pressed against one another by the pressing force.
  • the fastening surfaces preferably have a single blocking contour, through the interlocking of which the form-fitting interaction is realized.
  • the pressing force between the fastening surfaces is particularly preferably generated until the fastening device reaches its operating state.
  • the use of the fastening device can also have features that are related to one of the aforementioned embodiments the lamp assembly and / or one of the aforementioned embodiments of a fastening device are mentioned.
  • FIG 1 shows an exemplary embodiment of a fastening device 1000 according to the invention in a defined angular position.
  • the fastening device 1000 comprises a first fastening part 1 designed as a mounting part for pushing onto a lamp mast and a second fastening part 2 designed as a lamp connection part, which are connected about a joint axis G via a bolt element 3 and an in figure 1 hidden fixing element 4 are rotatably connected to each other.
  • the first fastening part 1 to be in the form of a mounting part and the second fastening part 2 to be in the form of a lamp connection part.
  • the fastening device 1000 In the operating state, the fastening device 1000 is fixed in the angular position while preventing a rotation of the fastening parts 1, 2 relative to one another about the joint axis G, in that a first fastening surface 11 comprised by the first fastening part 1, from which in figure 1 a first surface section 111 is visible, radially to a second fastening surface 21 comprised by the second fastening part 2 by a radial pressing force, which is generated by the interaction of the fixing element 4 and the bolt element 3, from which in Figure 2a a first surface section is visible, is pressed.
  • the fastening device 1000 has two cup-shaped protective covers 6 made of plastic, one of which for better visibility of the bolt element 3 and fastening surface 11 in figure 1 is hidden.
  • the lamp connection part comprises a housing of the exterior lamp which is open on a side pointing vertically and into which further components of the exterior lamp can be inserted, which is generally advantageous.
  • the mounting part is designed to be slid onto one end of a cylindrical lamp mast and to be fixed to the lamp mast by means of a plurality of fastening means which can be connected to the lamp mast through recesses in the mounting part, which is generally advantageous.
  • the fasteners are made from an aluminum alloy using a die-casting process.
  • Bolt element and fixing element are also made of a metallic material.
  • FIG 2 full figures 2a and 2 B a part of the fastening device 1000 shown cut open. So is in Figure 2a the fastening device 1000 cut perpendicularly to the joint axis G with the exception of the fastening part 2 .
  • a section of an electrical line 5 is also shown, which is designed to supply the exterior lamp with electrical energy. The section of the electrical line is routed through a line bushing 7 and is deflected by a channel-like section of this around the joint axis G and the bolt element 3 .
  • the cable bushing 7 is placed on the bolt element 3 and connected to the fixing element 4 , as a result of which a rotation of the second fastening part 2 relative to the first fastening part 1 is accompanied by a twisting of the cable bushing 7 .
  • An angle scale is printed on the outer side of the line bushing that points obliquely forward as a display device for the numerical and symbolic display of the angular position using an angle and a line that are assigned to the angular position, the display device being shown only in sections.
  • the fastening surfaces have a corresponding toothing, which is formed on a lateral surface of a bevel gear-like fastening section 12, 22 in each case.
  • the fixing element 4 has a first gripping section 41 designed as a thread, which overlaps radially with the bolt element 3 and is connected to a second gripping section 31 designed as a thread Bolt member 3 is engaged.
  • the second gripping section 31 of the bolt element 3 is designed as a separate sleeve.
  • the fixing element 4 can thus be screwed into the bolt element 3 with the fastening surfaces 11, 21 resting against one another, since the bolt element 3 is arranged with its axial end sections in a receptacle of the first fastening part 1 and rests against holding surfaces of the first fastening part 1 and a
  • the radial holding force applied to the holding surfaces which can be generated by tightening the fixing element 4, places the fastening surfaces 11, 21 against one another, forming the pressing force.
  • the fastening parts 1, 2, the bolt element 3 and the fixing part 4 are thus braced against one another in the operating state, forming a closed flow of forces, so that twisting about the joint axis G is avoided.
  • FIG 2b a section of the fastening device 1000 is cut perpendicularly to the joint axis G along the course of the fixing element 4 radial thereto.
  • the cable bushing 7, which deflects the section of the electrical cable 5 around the joint axis G, is arranged axially between the two surface sections 111, 112, 211, 222 per fastening part 1, 2, of which a first surface section 111 of the first fastening part 1 engages with a first surface section 211 of the second fastening part 2 and a second surface section 112 of the first fastening part 1 engages with a second surface section 212 of the second fastening part 2 .
  • the bolt element 3 is rotatably mounted at the end with the surface sections overlapping axially in the receptacle 13 of the first fastening part 1 and rests against a receiving wall 131 formed by the second fastening part 2, to which it is connected by a Pressing force corresponding, but radially opposite holding force is pressed.
  • the fixing element 4 is designed in the manner of a cylinder head screw and can therefore be actuated easily using a screwdriver or Allen key and is arranged with its first holding section 42 in a holding opening 33 of the bolt element 3 and with its second holding section 43 in a holding opening 23 of the second fastening part.
  • figure 3 including the figures 3a and 3b shows the fastening device 1000 in two different angular positions, which each represent two extreme positions, ie one of two angular positions that are closest to a limit of the angular range within which the fastening parts can be rotated in the assembled state.
  • an angle ⁇ which is plotted between the first and second fastening parts 1, 2, differs in Figure 3a and 3b by an angle corresponding to the angle range, which is approximately 100°.
  • FIG 4 including the Figures 4a and 4b shows the line bushing 7 in interaction with various components of the fastening device 1000.
  • the other components of the fastening device 1000 are hidden in each case.
  • the line bushing is designed as a one-piece injection-molded part made of plastic, the channel-like section of which is open on one axial side, which generally makes an arrangement advantageous of the portion of the electric wire is simplified.
  • the cable bushing is radially open at both ends of the channel-like section spaced apart from one another along a circumferential direction about the joint axis G, with one of the openings extending circumferentially over approximately 75° in order to enable the electrical cable 5 to be fed through in all angular positions without being damaged.
  • the line bushing is designed in such a way that it has a wall thickness that is essentially the same over at least 80% of its extent, which is advantageous in terms of injection molding. Furthermore, it has a plurality of webs pointing radially to the bolt element 3 , which enable the cable bushing to be fixed to the bolt element 3 with greater tolerance for dimensional deviations than if the cable bushing were in contact with the bolt element 3 over a large area.
EP22176823.7A 2021-06-02 2022-06-01 Dispositif de fixation à angle ajustable pour luminaires extérieurs Pending EP4098939A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021114366.7A DE102021114366A1 (de) 2021-06-02 2021-06-02 Befestigungsvorrichtung mit verstellbarem Winkel für Außenleuchten

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EP4098939A1 true EP4098939A1 (fr) 2022-12-07

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EP (1) EP4098939A1 (fr)
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070014115A1 (en) * 2005-06-09 2007-01-18 Robert Katz Article Support Device
US20110032696A1 (en) * 2009-08-04 2011-02-10 Min Kong Kim Led lighting lamp
DE102010011807A1 (de) * 2010-03-18 2011-09-22 Adam Hall Gmbh Schwenkbarer Scheinwerferhalter
US20140105670A1 (en) * 2012-04-06 2014-04-17 Koninklijke Philips Electronics, N.V. Universal tiltable luminaire support
WO2020144191A1 (fr) 2019-01-07 2020-07-16 Schreder S.A. Articulation de luminaire inclinable

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070014115A1 (en) * 2005-06-09 2007-01-18 Robert Katz Article Support Device
US20110032696A1 (en) * 2009-08-04 2011-02-10 Min Kong Kim Led lighting lamp
DE102010011807A1 (de) * 2010-03-18 2011-09-22 Adam Hall Gmbh Schwenkbarer Scheinwerferhalter
US20140105670A1 (en) * 2012-04-06 2014-04-17 Koninklijke Philips Electronics, N.V. Universal tiltable luminaire support
WO2020144191A1 (fr) 2019-01-07 2020-07-16 Schreder S.A. Articulation de luminaire inclinable

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