WO2013034010A1

WO2013034010A1 - Connection structure of reflector hood and reflector hood base in led downlight

Info

Publication number: WO2013034010A1
Application number: PCT/CN2012/077128
Authority: WO
Inventors: 沈锦祥; 邹永清; 张国中; 陈方
Original assignee: 浙江生辉照明有限公司
Priority date: 2011-09-08
Filing date: 2012-06-19
Publication date: 2013-03-14
Also published as: CN202216187U

Abstract

A connection structure of a reflector hood (4) and a reflector hood base (5) in an LED downlight, comprising a light frame (1) and the reflector hood (4). The light frame (1) comprises the reflector hood base (5), a bracket (6) arranged on the reflector hood base (5), and an installation hole (7) provided on the reflector hood base (5), and is characterized in that the reflector hood (4) and the reflector hood base (5) are clipped together via a flexible piece (20). The LED downlight having the connection structure is provided with convenient installation and removal.

Description

Connection structure of reflector and reflector cover in LED downlight

Technical field

The utility model relates to an assembled LED downlight, in particular to a connection structure of a reflector cover and a reflector cover in an LED downlight.

Background technique

At present, most indoor LED lighting downlights are integrated design, when the LEDs of the lamps When the lamp or the drive fails, the whole lamp will be scrapped or the whole lamp will be removed and sent to the original manufacturer for repair.

The whole lamp scrapping wastes social energy and increases the cost of consumer expenditure. The whole lamp is removed and sent to the original manufacturer for repair, which is time-consuming and laborious, and the related expenses are also high, and consumers cannot afford it.

Technical solution

The utility model overcomes the deficiencies in the prior art mentioned above, and provides a simple and clear way, in the event of a failure, the LED can be used without any tools. Modules, drives, reflectors, reflectors, etc. are removed from the LED downlights for repair or replacement.

The technical solution of the utility model belongs to a part of the assembled LED downlight, the assembled LED The technical solution of the downlight is specifically realized in this way:

An assembled LED downlight, including a lamp holder, driver, LED a module and a reflector, the lamp holder includes a reflector cover and a bracket disposed on the reflector cover, the mounting cover is provided with a mounting hole, and the driver is connected to the bracket through the elastic latching mechanism, led The module and the driver are detachably connected, and the reflector and the reflector cover are detachably connected.

Preferably, the elastic piece engaging mechanism comprises two elastic pieces disposed at two ends of the driver, and the lower end of the elastic piece is folded outward to form a protrusion capable of pressing the bracket, and the bracket comprises two side edges and two connected The top edge of the top end of the side is provided with a groove or a through hole on the inner side of the side, and the protrusion is engaged in the groove or the through hole. The drive is clamped into the bracket by means of two springs to prevent it from falling.

Preferably, a pinching piece for gripping and releasing the protrusion from the groove or the through hole is further extended at the lower end of the elastic piece. When the driver needs to be removed, the driver can be removed from the bracket by pinching the gripping piece and closing it to overcome the elastic force of the elastic piece, so that the protrusion of the elastic piece is separated from the groove or the through hole.

Preferred as LED The detachable connection between the module and the driver is: a mounting seat is fixed on the bottom surface of the driver, and a plurality of arc grooves are uniformly distributed on the mounting seat in the circumferential direction. The top end of the module is correspondingly provided with a plurality of card edges, and the arcuate groove is gradually narrowed from one end to the other end, and the card edge is caught in the arc groove. When installing, insert the card edge at the top of the LED module into the wider end of the arc slot, then rotate The LED module allows the card edge to be turned to the narrowest end of the arc slot so that the LED can be connected to the driver by the card edge on the mount.

Preferred as LED The detachable connection between the module and the driver is as follows: a mounting seat is fixed on the bottom surface of the driver, and a screw hole is arranged in the mounting seat. The top end of the module is provided with a screw, and the screw is screwed to the mounting seat. When installing, simply screw the screw into the screw hole.

Preferably, the detachable connection between the reflector and the reflector cover is: a plurality of elastic pieces are circumferentially distributed at the lower end of the reflector, the lower end of the elastic piece is riveted with the reflector, and the upper end of the elastic piece is folded outward to form a turn The flange is offset from the upper periphery of the reflector housing.

Preferably, the detachable connection between the reflector and the reflector cover is: a ring is arranged at the lower end of the reflector, and a plurality of elastic pieces are circumferentially distributed at the lower end of the reflector, and the lower end of the elastic piece is riveted with the reflector, and the elastic The upper end of the sheet is folded outward to form a flange, and the flange is offset from the upper circumference of the ring, and the ring is movably connected to the reflector seat.

Preferably, the ring is threadedly coupled to the reflector housing.

Preferably, an arc-shaped protrusion is arranged on the outer side surface of the ring, and a convex block which stops the arc-shaped protrusion in the vertical direction is arranged inside the mounting hole of the reflector cover, and the ring is screwed on the reflector cover. The arcuate projections are offset from the projections in the mounting holes.

Beneficial effect

The principle and beneficial effects of the present invention adopting the above technical solutions are:

Light fixture, driver, LED of the assembled downlight of the utility model The module and the reflector are independent and separate components. The buckle-type splicing structure is combined to form a downlight, which is convenient for users to repair and replace the consumable components, and provides guarantee and convenience for the mass production and after-sales service of the manufacturer.

DRAWINGS

Figure 1 is an assembly diagram of the assembled downlight;

Figure 2 is a schematic structural view of the lamp holder of the present invention;

Figure 3 is a schematic structural view of the assembled downlight LED module;

Figure 4 is a schematic structural view of the assembled downlight driver;

Figure 5 is a schematic view showing the connection structure of the reflector and the ring in the first embodiment of the present invention;

Figure 6 is a schematic view showing the installation structure of the downlight of the first embodiment of the present invention;

Figure 7 is a schematic view showing the installation structure of the downlight of the third embodiment of the present invention.

Embodiments of the invention

The specific embodiment of the utility model is as follows:

Embodiment 1: An assembled LED downlight, as shown in FIG. 1, includes a lamp holder 1, a driver 2, and an LED module 3 And the reflector 4, the lamp holder 1 includes a reflector housing 5 and a bracket 6 disposed on the reflector housing 5, and a mounting hole 7 is formed in the reflector housing 5, the driver 2 The LED module 3 is detachably connected to the driver 2 through a latching mechanism, and the reflector 4 and the reflector housing 5 are detachably connected.

Specifically, as shown in FIG. 1 , FIG. 2 and FIG. 4 , the elastic clip fastening mechanism includes two elastic pieces 8 disposed at two ends of the driver 2 . The upper end of the elastic piece 8 is riveted to the driver 2, and the lower end of the elastic piece 8 is folded outward to form a protrusion 9 capable of pressing the bracket, and the bracket 6 includes two side edges 10 and a top edge connecting the top ends of the side edges 10 11. A through hole 12 is formed inside the side edge 10, and the protrusion 9 is snapped into the through hole 12. In order to facilitate the disassembly and installation of the drive 2, in the shrapnel 8 The lower end also extends downwardly with a holding piece 13 for holding the elastic piece and releasing the projection 9 from the through hole 12.

The LED module 3 includes a heat sink, a hollow cavity body is arranged in the heat sink, an aluminum substrate is arranged at the bottom of the hollow cavity body, and an LED is arranged on the aluminum substrate. The light source, as shown in FIG. 3 and FIG. 4, the detachable connection between the LED module 3 and the driver 2 is: a mounting seat 14 is fixed on the bottom surface of the driver 2, and the mounting seat 14 For a round metal piece, there is a gap between the mounting seat 14 and the bottom surface of the driver; for convenient positioning and installation, a cylindrical protrusion 24 is provided at the center of the upper end of the LED module 3 at the mounting seat 14 There is a circular hole 25 in the middle, and two arc-shaped grooves 15 are uniformly distributed on the mounting seat 14 in the circumferential direction, and two card edges 16 are arranged at the top of the LED module 3, and the card edge 16 The substrate 17 is vertically disposed, and the lower end of the substrate 17 is riveted to the heat sink, and the upper end of the substrate 17 extends inwardly from the buckle 18, and the curved groove 15 is gradually narrowed from one end to the other end;

When mounting, the cylindrical projection 24 is first aligned with the circular hole 25 of the mounting seat 14, and the two are combined, and then rotated, the card edge 16 First, the wider end of the arcuate groove 15 enters the arcuate groove, and then rotates along the arcuate groove to the narrowest end, and the buckle 18 is snapped into the arcuate groove with the mounting seat 14.

As shown in Fig. 1 and Fig. 5, the detachable connection between the reflector 4 and the reflector cover 5 is: a reflector 4 In the shape of a trumpet, a ring 19 is sleeved at the lower end of the reflector 4, and a plurality of elastic pieces 20 are circumferentially distributed at the lower end of the reflector 4. The lower end of the elastic piece 20 is riveted to the reflector 4, and the elastic piece 20 The upper end is folded outward to form a flange 21, and the flange 21 is opposite to the upper circumference of the ring 19, and the ring 19 is movably connected to the reflector cover 5; specifically, in the ring 19 An arcuate projection 22 is disposed on the outer side surface, and a projection 23 for stopping the arcuate projection 22 in the vertical direction is disposed inside the mounting hole of the reflector housing 5, and the ring 19 is screwed on the reflector housing 5 Mounting hole 7 Inside, the curved projection 22 abuts the projection 23. In addition, the ring 19 can also be connected to the reflector housing 5 by means of a threaded connection.

When installing, as shown in Figure 6, hold the gripper 13 by hand first. Place the drive 2 into the lamp holder 1, and then make the protrusion of the spring 8 9 is stuck in the through hole 12; then the LED module 3 is installed through the mounting hole 7 on the mounting seat 14 of the driver 2; then the reflector 4 is assembled with the ring 19, and then the ring is assembled 19 Mounted on the reflector housing 5, the installation is now complete. If disassembling, remove the components in the reverse order.

Embodiment 2: This embodiment differs from Embodiment 1 in that LED module 3 and driver 2 The detachable connection manner is as follows: a mounting seat is fixed on the bottom surface of the driver, a screw hole is arranged in the mounting seat, and a screw is arranged at the top of the LED module 3, and the screw is screwed to the mounting seat.

Embodiment 3: This embodiment is different from Embodiment 1 in that, as shown in FIG. 7, the reflector 4 and the reflector cover 5 The detachable connection between the two is: a plurality of elastic pieces 20 are distributed along the circumference of the lower end of the reflector 4, and the elastic piece 20 The lower end is riveted to the reflector, and the upper end of the elastic piece is folded outward to form a flange. The flange is opposite to the upper circumference of the reflector cover, and the reflector 4 and the reflector cover 5 are directly connected by the elastic piece.

Claims

1. A connection structure between a reflector and a reflector cover in an LED downlight The lamp holder includes a reflector holder and a bracket disposed on the reflector housing, and the reflector housing has a mounting hole, wherein the reflector and the reflector cover are They are snapped together by elastic sheets.

2. The connection structure of a reflector and a reflector cover in an LED downlight according to claim 1 The utility model is characterized in that: a plurality of elastic pieces are distributed along the circumference of the lower end of the reflector, the lower end of the elastic piece is riveted with the reflector, and the upper end of the elastic piece is folded outward to form a flange, and the flange and the reflector cover are arranged The periphery is offset.

3. The connection structure of a reflector and a reflector cover in an LED downlight according to claim 1 The utility model is characterized in that: a ring is arranged on the lower end of the reflector, and a plurality of elastic pieces are distributed along the circumference of the lower end of the reflector, the lower end of the elastic piece is riveted with the reflector, and the upper end of the elastic piece is folded outward to form a flange. The flange is offset from the circumference of the ring, and the ring is movably connected to the reflector seat.

4. The connection structure of a reflector and a reflector cover in an LED downlight according to claim 3 The feature is that the ring is screwed to the reflector seat.

5. The connection structure of a reflector and a reflector cover in an LED downlight according to claim 3 The utility model is characterized in that: an arc-shaped protrusion is arranged on the outer side surface of the ring, and a convex block with a curved convex protrusion in a vertical direction is arranged inside the mounting hole of the reflection cover seat, and the ring is screwed in the reflection In the mounting hole of the cover seat, the arcuate protrusions are offset from the bumps.