EP1400746A2 - Recess mounted downlighter - Google Patents

Abstract

The invention relates to a built-in ceiling light (downlight) with a housing (21) for receiving live parts, a pot (22) for receiving at least one light source, a cover ring (26) and a translucent cover (27), wherein the cover ring (26 ) holds the cover (27) on the pot (22), and wherein a first ring element (28) of the cover ring (26) - approximately parallel to the installation plane (ceiling plane) a the pot (22) associated counter-ring (25) at least partially covers. According to the invention, the cover ring (26) has a second ring element (29) which is connected to the first ring element (28) such that the cross section of the second ring element (29) is arranged transversely to the cross section of the first ring element (28) and in that the second ring element (29) has latching elements which interact with corresponding latching means on the mating ring (25) and thus hold the cover ring (26) on the mating ring (25).

Description

The invention relates to a recessed ceiling light (downlight), with a housing for Recording live parts, a pot for holding at least one Bulb, a cover ring and a translucent cover, wherein the Cover ring holds the cover on the pot, and wherein a first ring element of the Cover ring - approximately parallel to the installation level (ceiling level) - a the pot at least partially covers associated counter ring.

Lights of the type mentioned are from below in room or building ceilings used. Here is a laterally projecting edge of the pot from below to the Cover and is covered by a cover for visual and / or static reasons covered. The cover ring is often at the same time holder for a translucent Disc (cover). The connection of the cover ring with the pot - or with the Pot associated parts - should be as simple and inexpensive to produce. Also, the cover itself should be as inexpensive as possible.

The recessed ceiling light according to the invention is characterized in that the Cover ring has a second ring element, which with the first ring element is connected, that the cross section of the second ring element transversely to the cross section of first ring element is arranged, and that the second ring element locking elements has, which cooperate with corresponding locking means on the mating ring and so Hold the cover ring against the counter ring. The latter may be an outer, in particular be projecting edge of the pot and preferably extends in a plane parallel to the ceiling plane. The said locking elements and locking means are in particular so permitted that the cover ring resiliently placed on the mating ring or is connectable with this. Locking elements and locking means then enter into positive engagement together. The aim is that the cover ring on the mating ring is easily plugged. Additional fasteners or a (complicated) rotational movement should not to be required.

Advantageously, the latching elements are inwardly directed Latches which engage over the locking means and so hold the cover ring on the mating ring. "Inward" refers to the said pot (a pot center) for receiving the Lamps. The locking lugs are therefore optically not visible.

In particular, the latching means are latching edges over which the latching elements engage. Such locking edges are easy to produce.

The counter-ring may have an upwardly directed edge, which the locking means assigned. Thus, the locking edges on the upwardly directed, outer edge be provided of the mating ring.

Advantageously, the edge as a latching means recesses into which the Intervene locking elements. The recesses may be provided with locking edges. The positioning of the locking elements and the recesses is coordinated.

The cover ring may have a third ring element, wherein the cover, preferably a translucent disk, between the cover ring, in particular the third ring element and the pot is held. The cover ring has in particular a U-shaped cross-section, with a base part, an outer leg, the second ring element corresponds and an inner leg, which is the third ring element represents. From the inner leg is held an outer peripheral edge of the Cover.

Advantageously, the pot has an inner circumferential web or shoulder the cover can rest with its peripheral edge. The cover is then held in position between the cover and the pot. The bridge or heel represents a counter bearing for the cover ring. The counter ring (on the pot) can be a U-shaped Have cross-section. In particular, the transition between one Pot wall and the mating ring as a bridge or paragraph to create the cover educated.

The cover ring may have retaining elements for holding the cover on the cover ring exhibit. This allows the cover ring together with the cover before installation to be moved into the pot. The cover is thus held only on the cover ring.

Preferably, as holding elements inwardly directed projections on the cover ring provided, between which the cover is held. A circumferential, inwardly directed heel may be provided as a lower projection. Upper Projections are in particular inwardly directed noses. The cover is then held between the lower projection and the upper projections. By appropriate design of the projections and / or material selection is a resilient and / or positive retention of the cover on the cover possible.

The cover may have a (radially) outer circumferential shoulder. The mentioned Retaining elements or projections are in particular partially on the circumferential Paragraph.

Preferably, the cover ring is made of plastic. This version is lighter, more resilient and less expensive than metal cover rings.

According to an independent idea of the invention is a recessed ceiling light (Downlight) provided with a housing for receiving live parts, a pot for receiving at least one light source, a cover ring, a Spacer and a cover, wherein the spacer member with the cover Keeps distance to the pot, and wherein the cover ring, the spacer member at least partially covering. The spacer organ not only provides the desired distance between Pot and cover. At the same time, the spacer member carries the weight of the cover. A certain strength, dimensioning and sufficiently strong connection means for Pot are therefore required. The cover acts in this case primarily as optical aperture for parts of the spacer.

In particular, the spacer member comprises a disc ring and associated, downwardly directed spacers. The cover is on the spacers held. The disc ring is connected to the pot and is replaced by the cover ring covered.

Preferably, the spacer member is detachably connected to the pot, in particular with a mating ring associated with the pot. Disc ring and counter ring are to each other and are connected to each other.

Advantageously, the counter ring openings, in which the spacer member with in Circumferentially facing hook occurs, the hook after twisting the Spacer member relative to the mating ring to secure the spacer member on the mating ring. In particular, the cover ring covers the disc ring and has openings for Passage of the spacers. In the assembled state of the lamp results so optically a unit of the mentioned components.

Fig. 1

eine perspektivische Darstellung einer Decken-Einbauleuchte,

Fig. 2

einen Ausschnitt der Leuchte gemäß Fig. 1 in perspektivischer Darstellung,

Fig.3

den Ausschnitt gemäß Fig. 2 aus einer anderen Blickrichtung, entsprechend dem Ausschnitt III in Fig. 1

Fig. 4

einen Querschnitt durch die Leuchte gemäß Fig. 1,

Fig. 5

einen Teil der Fig. 4 in vergrößerter Darstellung,

Fig. 6

eine weitere Ausführungsform der Leuchte gemäß Fig. 1 im Querschnitt,

Fig. 7

einen Teil aus Fig. 6 in vergrößerter Darstellung,

Fig. 8

eine perspektivische Darstellung einer weiteren erfindungsgemäßen Einbau-Deckenleuchte,

Fig. 9a/b

auseinandergezogene Darstellungen der Leuchte gemäß Fig. 8,

Fig. 10

eine andere perspektivische Ansicht der Leuchte gemäß Fig. 8,

Fig. 11

einen Teil aus Fig. 10 in vergrößerter Darstellung.

Further features of the invention will become apparent from the claims and from the description, moreover. Advantageous embodiments of the invention will be explained in more detail with reference to drawings. Show it:

Fig. 1

a perspective view of a ceiling recessed luminaire,

Fig. 2

a detail of the lamp according to FIG. 1 in a perspective view,

Figure 3

2 shows the detail according to FIG. 2 from another viewing direction, corresponding to the detail III in FIG. 1

Fig. 4

a cross section through the lamp according to FIG. 1,

Fig. 5

a part of Fig. 4 in an enlarged view,

Fig. 6

a further embodiment of the lamp according to FIG. 1 in cross section,

Fig. 7

a part of Fig. 6 in an enlarged view,

Fig. 8

a perspective view of another recessed ceiling light according to the invention,

Fig. 9a / b

exploded views of the lamp of FIG. 8,

Fig. 10

another perspective view of the lamp of FIG. 8,

Fig. 11

a part of Fig. 10 in an enlarged view.

A built-in ceiling light (downlight) 20 has a housing 21 in which voltage leading parts are arranged, and a subsequent pot 22, wherein the latter receives at least one (not shown) bulbs. The installation of the lamp 20 in a blanket, not shown, takes place such that the housing 21 and the largest part of the pot 22 for a viewer standing in a room behind the ceiling are hidden. The ceiling extends approximately parallel to the top wall 23 of the Housing 21 and transversely to a circumferential wall 24 of the pot 22nd

On its underside, the pot 22 N following the wall 24 a Counter ring 25, which (relative to the pot 22) radially outward and parallel to not arranged ceiling is arranged.

A cover ring 26 covers an underside of the mating ring 25 and holds at the same time translucent cover 27 on the pot 22. As a cover 27 is preferably a translucent disc provided. The cover ring 26 has a U-shaped Cross-sectional profile on, with a first ring element 28 (base), which is parallel to the Ceiling or mounting plane extends, with a second strip element 29 - - outer leg N transverse to the first ring member 28 and upwardly, and with a third ring member 30 N inner leg -, also transverse to the first Ring element 28.

Corresponding to the cover ring 26 of the mating ring 25 is formed with a U-shaped Cross-section, namely an upwardly directed edge 31, a outwardly directed base wall 32 parallel to the first ring element 28 and with a upward inner edge 33 parallel to the third ring element 30. In addition between the wall 24 of the pot 22 and the inner edge 33 a outward-looking paragraph 34.

The cover ring 26 is held on the mating ring 25. For this purpose, special locking elements and latching means provided, namely on the second ring member 29 inward dishes Latches 35 and corresponding recesses 36 with locking edges 37 on outer edge 31. The cover ring 26 is made of plastic and so elastic that a resilient placement on the mating ring 25 snapping the locking lugs 35th in the recesses 36 is possible.

Preferably, three locking lugs 35 with corresponding recesses 36th intended. Depending on the material and requirement for the strength of the connection can also more or less locking lugs may be arranged. The height of the locking lugs 35 via the height of the recesses 36 above the base wall 32 are selected so that the first ring element 28 comes to rest on the base wall 32.

The cover 27 is in the installed state on the ring member 30 and is especially between this and paragraph 34. Moving the Cover 27 with the result of a lateral passage of light is thereby avoided. In addition, the cover 27 may have the paragraph 38 shown in Fig. 5, the Arrangement is matched to the inner diameter of the third ring member 30, so that the cover 27 positively against movement parallel to the installation plane rests on the third ring element 20.

The locking lugs 35 have a slanted bearing surface 39, so that a Removal of the cover ring 26 from the mating ring 25 is possible. Supporting can the Latch 35 levered out of the recess 36 by a suitable tool become. For this purpose, the locking lug 35 is set slightly lower than an upper edge 40 of the second ring element 29. As a result, a recess or gap 41 above the Latch 35 is formed, can enter into the appropriate lever tool. One to the top Edge 40 parallel upper edge surface 42 is slightly above the upper edge 40, so that even by this height difference, a rear engagement of the cover 26 for Losing it is possible.

A with respect to the mounting of the cover 27 other embodiment show the 6 and 7. Here, the third ring member 30 has an inwardly directed circumferential Paragraph 43 and at a distance from this several inwardly directed projections, namely Noses 44 on. Between the lugs 44 and the peripheral paragraph 43 is the Cover 27 held positively. This is a connection, namely a Inserting the cover 27 in the cover ring 26 possible before the cover 26 on the mating ring 25 is placed.

Figs. 8-11 show an embodiment with a cover 27 spaced from the Cover ring 26 is held. The distance is established by a spacer 45, which a disc ring 46 and sleeve-shaped spacers 47 with associated Bolt 48 has. The disc ring 46 is at its top in the circumferential direction pointing hook 49 provided in the corresponding openings 50 in the mating ring 25th in the assembled state and after turning the disc ring 46 on the base wall 32 rest. This will create a secure and secure connection between the disc ring 46 and the pot 22 and its mating ring 25 made. About the Spacer 47 and bolt 48, the cover 27 is held on the disc ring 46. For this purpose, the cover 27 corresponding holes 51 for the passage of the bolt 48 on.

The hooks 49 are punched out of the disc ring 46 and bent out, so that a hook web 52 is approximately parallel to the Scheibering 46 and at a distance from this Above it runs. The hook web 52 is in the installed state of the lamp on the base wall 32.

In this embodiment, the cover ring 26 not only covers the counter ring 25th but also, and above all, the disc ring fastened under the mating ring 46 off. For this purpose, the cover, 26 holes 53 for the passage of the spacers 47 on. The result is a clearly visible distance between the cover 27 and the cover ring 26, see in particular in Fig. 8. The connection between the Cover ring 26 and the mating ring 25 via locking lugs 35 and corresponding Recesses 36 N locking elements and locking means corresponds to the reference to FIGS. 1-8 illustrated embodiments.

LIST OF REFERENCE NUMBERS

20

Recessed ceiling light

21

casing

22

pot

23

upper wall

24

wall

25

counter ring

26

cover ring

27

cover

28

first ring element

29

second ring element

30

third ring element

31

outer edge

32

base wall

33

inner edge

34

paragraph

35

locking lugs

36

recesses

37

locking edges

38

paragraph

39

contact surface

40

upper edge

41

gap

42

upper edge surface

43

circumferential heel

44

nose

45

distance organ

46

disk ring

47

spacer

48

bolt

49

hook

50

openings

51

drilling

52

hook lands

53

drilling

Claims (16)

Recessed ceiling light (downlight), comprising a housing (21) for receiving live parts, a pot (22) for receiving at least one light source, a cover ring (26) and a translucent cover (27), wherein the cover ring (26) the cover (27) on the pot (22) holds, and wherein a first ring element (28) of the cover (26) - approximately parallel to the installation plane (ceiling plane) - a the pot (22) associated counter-ring (25) at least partially covers, characterized in that the cover ring (26) has a second ring element (29) which is connected to the first ring element (28), that the cross section of the second ring element (29) is arranged transversely to the cross section of the first ring element (28), and that the second Ring element (29) has latching elements which cooperate with corresponding locking means on the counter-ring (25) and thus hold the cover ring (26) on the counter-ring (25). Luminaire according to claim 1, characterized in that the latching elements inwardly directed latching noses (35) which engage over the latching means and so hold the cover ring (26) on the counter-ring (25). Luminaire according to claim 1 or 2, characterized in that the latching means are latching edges (37) over which engage the latching elements. Luminaire according to claim 1 or one of the further claims, characterized in that the counter-ring (25) has an upwardly directed edge to which the latching means are associated. Luminaire according to claim 4, characterized in that the edge as a latching means recesses (36), in which engage the latching elements. Luminaire according to claim 1 or one of the further claims, characterized in that the cover (27) between the cover ring (26), in particular between a third ring member (30) thereof, and the pot (22) is held. Luminaire according to claim 1 or one of the further claims, characterized in that the pot (22) has a circumferential ridge or shoulder (34) on which the cover (27) can rest with its peripheral edge. Luminaire according to claim 1 or one of the further claims, characterized in that the cover ring (26) holding elements for holding the cover (27) on the cover ring (26). Luminaire according to claim 8, characterized in that as holding elements inwardly directed projections are provided, between which the cover (27) is held. Luminaire according to claim 1 or one of the further claims, characterized in that the cover (27) has an outer circumferential shoulder (38). Luminaire according to claim 1 or one of the further claims, characterized in that the cover ring (26) is made of plastic. Recessed ceiling light (downlight), in particular according to one of the preceding Claims, comprising a housing (21) for receiving live parts, a Pot (22) for receiving at least one light source, a cover ring (26), a Spacer (45) and a (translucent) cover (27), wherein the Abstandsorgan (45) holds the cover (27) at a distance from the pot (22), and wherein the Cover ring (26) at least partially covers the spacer member (45). Luminaire according to claim 12, characterized in that the spacer member (45) has a disc ring (46) and associated downwardly spaced spacers (47) and that the cover (27) is retained on the spacers (47). Luminaire according to claim 12 or 13, characterized in that the spacer member (45) is releasably connected to the pot, in particular with a the pot (22) associated counter-ring (25). Luminaire according to claim 14, characterized in that the counter-ring (25) openings (50), that the spacer member (45) has circumferentially facing hooks (49) which enter the openings (50) and after rotation of the spacer member (45 ) secure the spacer member to the mating ring relative to the mating ring (25). Luminaire according to claim 13 or one of the further claims, characterized in that the cover ring (26) covers the disc ring (46) and has openings for the passage of the spacers (47).

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