ES2299597T3 - LUMINARY WHOSE LUMINARY COVER IS FIXED TO THE LUMINARY HOUSING THROUGH INTERLOCK HIGHLIGHTS. - Google Patents

Abstract

The invention relates to a lamp (10) comprising at least one elongate lamp (24) accommodated in a lamp housing (12), and a lamp cover (20) closing said lamp housing. The lamp housing (12) has a groove (52) that accommodates the edge (50) of the lamp cover (20). A vertical edge (30) overlaps said groove (52) and is provided on every side of the lamp housing (12) with a plurality of receiving openings (28) and the lamp cover (20) is provided on its edge (50) with catch projections (40) that project laterally outward.

Description

Luminaire whose luminaire cover is fixed to the luminaire housing by interlocking projections.

The invention relates to a luminaire with a luminaire housing and a luminaire cover that closes that way as at least one elongated lamp, presenting the housing of the luminaire a slot in which the edge of the bucket of the luminaire, the groove being covered by a raised edge peripheral.

For the document EP-A-0 982 536 luminaires are known with a luminaire housing closed by a luminaire cover and electrical or electronic components located between the housing of the luminaire and the luminaire cover. Outside the lid of the luminaire is located the fluorescent tube. In these luminaries that They are also called long field luminaires and which according to the circumstances can also be obtained as luminaires for wet enclosure, the luminaire cover is attached to the housing of the luminaire tightly to fluids and dust by means of some closures. A similar luminaire, in which a bucket of luminaire is fastened by closures to the luminaire housing it is known eg by the document DE-A-44 13 316. While this class of luminaires are comfortable for the user in terms of handling, without However they are complex in manufacturing, since the housing of the luminaire and / or luminaire cuvette or luminaire cover It has to be manufactured with complex casting tools injected

The document luminaire housing EP-A-0 982 536 carries a slot peripheral and the luminaire cover has a wall that mounts to pressure on a gasket located in the groove. With independence of the slot to connect the luminaire housing and the cover of the luminaire are also provided with additional fingers with interlocking projections in the luminaire housing and holes of housing for the interlocking projections at the bottom of the luminaire cover. This kind of structure is relatively complex.

The document EP-A-0 179 453 shows a luminaire for wet enclosures with luminaire cuvette and a hood of translucent luminaire that closes the cuvette, and a lamp located in inside. To replace the lamp it is necessary to open completely housing.

The invention is therefore raised as aim to provide a luminaire of the class initially cited that can be manufactured relatively easily, and that has a simple structure and nevertheless comfortable for the Username.

This objective is solved by a luminaire presenting the characteristics of claim 1 or of the claim 2.

Through the accommodation holes in the luminaire housing or luminaire cover respectively  and the interlocking projections in the luminaire cover or in the luminaire housing respectively you get a simple interlocking of the luminaire cover in the housing the luminaire, no additional parts being needed for this as closures, bolted joints and the like. The highlights of interlocking protruding outward or inward respectively they are molded on the edge of the lid of the luminaire or luminaire housing respectively, and the accommodation holes necessary for them are located in the raised edge of the luminaire housing or at the edge of the luminaire cover respectively, so that the cover of the luminaire can be interlocked directly with the raised edge of the luminaire housing. The luminaire is assembled in simple mode by snapping the luminaire cover onto the luminaire housing, which is closed in this way, interlocking by interlocking.

In accordance with the invention it is further provided that an area of the raised edge or the edge that presents a accommodation hole is retracted inwards, it is say in the direction of the interlocking projections. Magnitude in which this area is set inwards corresponds at least the wall thickness of the raised edge or edge respectively. The accommodation hole is therefore moved inward from the plane of the raised edge or of the edge, at least in the value of the wall thickness. For the both the groove in the area of the accommodation hole. In this slot a band of meeting.

Also the interlocking highlights are provided in the recessed areas of the edge, being located the tips of the interlocking projections essentially in the plane of the outer surface of the edge. This feature It offers the important advantage that although you highlight them interlocking protrude outward, the total width of the luminaire and therefore the luminaire does not it needs more space and the design of the luminaire

The luminaire housing is preferably injection molten, for which only one inner tool and an outer tool, giving up on a Sliding mold The inner tool and the tool exterior are made in such a way that they touch in the holes housing thus forming the holes of accommodation. Since mold slides are waived, the housing of the luminaire and the luminaire cover can not only be manufacture quickly but also economically as it is possible to keep the casting tool costs reduced injected

Other advantages, features and details of the invention are deduced from the following description, in which describes in detail an example of embodiment especially preferred, referring to the drawing.

In the drawing, the figures show:

Figure 1 a perspective representation of a section of the luminaire object of the invention;

Figure 2 a perspective representation of the luminaire housing, the cover of the lamp being removed luminary;

Figure 3 a perspective representation of the luminaire cover;

Figure 4 a section IV-IV according to Figure 2 through the luminaire cover;

Figure 5 an enlarged reproduction of detail V according to Figure 4;

Figure 6 a view in the direction of the arrow VI according to Figure 3 inside the removed luminaire cover;  Y

Figure 7 an inner tool and a outer tool with luminaire housing located in between, indicated schematically.

Figure 1 shows in a representation in perspective an area of the end of a luminaire, designated in its set by 10, which is made as a luminaire for enclosures wet This luminaire 10 is intended for ceiling mounting, but nevertheless it can also be fixed to a wall by turning it 90º. For this, a housing of the luminaire 12 has an opening of fixing 14, which can be pierced by a screw or by a corresponding fixing means. Alternatively it can be fixed also the luminaire 10 on a wall or ceiling by means of U-shaped interlocking springs generally known that fit in recesses 2a of the luminaire housing. The housing of the luminaire 12 is also provided with connection holes sides 16 that are closed by a rubber stopper 18, and a through which several luminaires can be joined together.

This luminaire housing 12, which is open down, it is closed at the bottom by a lid of luminaire 20. From this luminaire cover 20 come out of both ends of lampholders 22 in which a tube can be placed fluorescent 24. It is clearly seen that the housing of the luminaire features recesses 26 in which they are molded the housing holes 28, in the form of through holes. These recesses 26 as well as the accommodation holes 28 are you can see more clearly in the representations of Figures 2, 4 and 5.

From Figure 2 it can be seen that the housing of the luminaire 12 has a raised peripheral edge 30, from whose free end on the inner side in the recess area 26 an entry ramp 32 opens into the housing opening 28. It is also appreciated that the mouth 34 in the housing hole 28 is set outwards out of plane 38 of the interior surface of the recess 26, in the magnitude of the thickness of wall 36. This is also clearly recognized by Figures 5 and 7, where in Figure 5 there is also a highlight of interlocking 40, with dashed line and point that crosses the accommodation hole 28 and with its free end is supported by the edge 42 of the housing hole 28. This protrusion of interlocking 40 also comprises an entrance ramp 44, which during the interlocking process it acts together with the entrance ramp 32 of the raised edge 30 of the housing of the luminaire 12. As can be seen from Figure 6, the highlight of interlocking 40 is also found in edge areas 46 set back inwards, so that the tips of the interlocking projections 40 are located in the plane of the outer surface 48 of the luminaire cover 20, that is to say they do not increase the width of the luminaire cover 20.

Figure 5 also shows that the edge 42 presents a 5º entrance ramp, which facilitates the interlocking of interlocking shoulder 40 in the opening of accommodation 28.

From Figure 5 it is further appreciated that the end free of the edge 50 of the luminaire cover 20 is provided with a slot 52 that runs in the longitudinal direction, whereby the front surface of the edge 50 is formed by two edges 54. When the luminaire cover 20 is fitted, these two edges 54 tighten on a gasket 56 thus ensuring a closure of the interior space of the luminaire housing 12 watertight fluids and dust. The gasket 12 is in turn arranged in a groove 66 of the luminaire housing 12. In the recess area 56, slot 66 moves inward in the magnitude of the Incoming as clearly seen in Figure 2.

The luminaire housing 12 is manufactured by means of two cast iron molds, using one of the cast molds injected as inner tool 60 and the other cast mold injected as outer tool 58, filling the free space between the two molds 58 and 60 with plastic. This is a generally known technique. The part inventive is that the two cast molds injected 58 and 60 are play in the area of the entrees 26 (contact zone 68), at the outer tool 58 is displaced towards the inside of so that I get to touch the inner tool 60 in the area of the accommodation hole 28. The inner tool 60 that is approximates the outer tool 58 from the opposite direction It has a section located in the area of future entries 26, which corresponds exactly to the hole 28 and which sits on the inner face of the outer tool 58.

From Figure 7 it is clearly seen that the two tools 58 and 60 touch in the plane of the hole of accommodation 28. In addition, the arrows 62 and 64 indicate direction of movement of the two tools when closing the mold cast iron Injected cast iron can be opened and close without problems and the luminaire housing 12 can be manufacture without mold slide.

Instead of fluorescent lamps with Lampholder on two sides, can also be placed according to the invention elongated lamps 24 single-ended. In correspondence, in this case the luminaire 10 only carries a Lampholder at one end.

Claims (9)

1. Luminaire (10) with a luminaire housing (12) and a luminaire cover (20) that tightly closes that, as well as at least one elongated lamp (24) for which it comes out of the luminaire cover ( 21) a lamp holder (22), at least at one end, the luminaire housing (12) presenting a slot (26) in which the edge (50) of the luminaire cover (20) is housed , characterized in that the groove (66) is covered by a peripheral raised edge (30), the raised edge (30) having on each side of the luminaire housing (12) several housing holes (28), and the cover of the luminaire (20) on its edge (50) interlocking projections (40) protruding laterally outwards, the raised edge area (30) having a housing hole (28) being recessed inwards, and being the zone (26) set inwards at least by a magnitude equivalent to the wall thickness (36) of the bord and raised. 2. Luminaire (10) with a luminaire housing (12) and a luminaire cover (20) that tightly closes that as well as at least one elongated lamp (24) for which it comes out of the luminaire cover ( 20) a lamp holder (22), at least at one end, the luminaire housing (12) presenting a slot (26) in which the edge (50) of the luminaire cover (20) is housed , characterized in that the groove (66) is covered by a peripheral raised edge (30), the edge (50) of the luminaire cover (20) having on each side several housing holes, and the raised edge (30) of the luminaire housing (12) interlocking projections protruding laterally inwardly, the edge area (50) having a housing opening (28) recessed inwardly, the area (26) being retracted towards the at least within a magnitude equivalent to the wall thickness (36) of the edge (50). 3. Luminaire according to claim 1 or 2, characterized in that the groove rotates inwards in the area of the housing hole (28). 4. Luminaire according to one of the preceding claims, characterized in that a gasket band (56) is placed in the groove. 5. Luminaire according to one of the preceding claims, characterized in that the interlocking projections (40) are provided in recessed edge areas (46). 6. Luminaire according to one of the preceding claims, characterized in that the tips of the locking projections (40) are essentially located in the plane of the outer surface (48) of the edge (50). 7. Luminaire according to one of the preceding claims, characterized in that the luminaire housing (12) is injection molded. 8. Luminaire according to one of the preceding claims, characterized in that the luminaire housing (12) is injection molded using an inner tool (50) and an outer tool (58) without a mold slide. 9. Luminaire according to claim 8, characterized in that the inner tool (50) and the outer tool (58) are touched in the housing holes (28).