CN212961179U - Cylinder lamp - Google Patents

Abstract

The application belongs to the technical field of lighting device, especially, relate to a down lamp. In the down lamp, the radiating piece comprises a disc-shaped part and an annular part, the light source plate is arranged on the inner bottom surface of the disc-shaped part, the outer peripheral surface of the lens is tightly matched with the inner wall of the disc-shaped part, and a sealing ring is clamped between the outer peripheral surface of the lens and the inner wall of the disc-shaped part, so that the sealing and waterproof effects are realized. The down lamp is simple and practical in structure, few in parts and easy to assemble. When the down lamp is installed on a ceiling, the annular part is exposed outside the ceiling. The heat that the LED lamp pearl of light source board is luminous to be produced can transmit to annular portion through disk portion, is diffused to exterior space by annular portion, realizes the heat dissipation.

Description

Cylinder lamp

Technical Field

The application belongs to the technical field of lighting device, especially, relate to a down lamp.

Background

The down lamp is a lighting lamp which is embedded in a ceiling and emits light downwards. The down lamp is used as a lamp, so that the installation is easy and the space is not occupied. Traditional down lamp is including face ring, radiator, light source board, lens and clamping ring, and the light source board is installed on the radiator, and the protruding spacing ring that is equipped with in the opening edge of face ring, lens are put at the face intra-annular and are supported on the spacing ring, put into the clamping ring in the face intra-annular, install the radiator at face ring back again, and the radiator compresses tightly the clamping ring and the clamping ring compresses tightly lens, realizes that the lens assembly is fixed. Traditional down lamp part is more, and the structure is complicated, and assembly process is complicated.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a down lamp to solve the technical problem that the existing down lamp is complex in structure and complex in assembly process.

The embodiment of the application provides a down lamp which comprises a radiating piece, a light source plate, a lens and a sealing ring; the heat dissipation piece comprises a disc-shaped part and an annular part formed by extending the outer edge of the disc-shaped part, and an opening is formed at the joint between the disc-shaped part and the annular part; the light source plate is provided with LED lamp beads, the light source plate is arranged on the inner bottom surface of the disc-shaped part, and the light emitting side of the light source plate faces the lens; the peripheral surface of the lens is tightly matched with the inner wall of the disc-shaped part; the sealing ring is sleeved on the peripheral surface of the lens, and the sealing ring is clamped between the lens and the disc-shaped part.

Optionally, the front end diameter of the lens is smaller than the inner diameter of the opening, the outer peripheral surface of the lens is provided with a clamping flange, and the clamping flange is abutted to the inner wall of the disc part when the lens is mounted inside the disc part.

Optionally, a side of the clamping flange near the front end of the lens is provided with a guide surface.

Optionally, the outer peripheral surface of the lens has an annular step, and the sealing ring is disposed on an end surface of the annular step.

Optionally, the down lamp further comprises a mounting frame, and the outer bottom surface of the disc part is mounted on the mounting frame.

Optionally, the lens has a positioning column, the mounting frame has a positioning hole for the positioning column to be inserted into, the light source plate has a first through hole, and the disc-shaped portion has a second through hole; the positioning column penetrates through the first through hole and the second through hole and then is inserted into the positioning hole, so that the lens is positioned on the mounting frame.

Optionally, the outer surface of the positioning column has a positioning portion, and the positioning portion is used for being in abutting fit with the light source board to limit the position of the lens relative to the light source board.

Optionally, the down lamp further comprises a driving assembly, and the driving assembly is electrically connected with the light source plate through a wire; the wire penetrates through the first through hole and the second through hole.

Optionally, the mounting bracket is a plastic part, the mounting bracket has a through groove, and an outer bottom surface of the disk-shaped portion abuts against a port of the through groove.

Optionally, the ring-shaped part is provided with a decorative ring; the annular part is provided with a clamping groove, and the decorative ring is provided with a buckle matched with the clamping groove in a clamping manner.

One or more technical solutions provided in the embodiments of the present application have at least one of the following technical effects: in the down lamp, the radiating piece comprises a disc-shaped part and an annular part, the light source plate is arranged on the inner bottom surface of the disc-shaped part, the outer peripheral surface of the lens is tightly matched with the inner wall of the disc-shaped part, and a sealing ring is clamped between the outer peripheral surface of the lens and the inner wall of the disc-shaped part, so that the sealing and waterproof effects are realized. The down lamp is simple and practical in structure, few in parts and easy to assemble. When the down lamp is installed on a ceiling, the annular part is exposed outside the ceiling. The heat that the LED lamp pearl of light source board is luminous to be produced can transmit to annular portion through disk portion, is diffused to exterior space by annular portion, realizes the heat dissipation.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective assembly view of a downlight provided by an embodiment of the present application;

FIG. 2 is an exploded perspective view of the downlight of FIG. 1;

FIG. 3 is another perspective exploded view of the downlight of FIG. 2;

FIG. 4 is a partial cross-sectional view taken along line A-A of FIG. 1;

FIG. 5 is an exploded view of the lens and heat sink in the downlight of FIG. 4;

FIG. 6 is an assembly schematic view of the mounting bracket, drive box, cover and drive assembly in the downlight of FIG. 2;

FIG. 7 is an exploded view of the mounting bracket, the drive box, the cover and the drive assembly of FIG. 6;

FIG. 8 is a further exploded view of the mounting bracket, drive cartridge and drive assembly of FIG. 7;

fig. 9 is a perspective view of the cover of fig. 7.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the embodiments of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations and positional relationships illustrated in the drawings, which are used for convenience in describing the embodiments of the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the embodiments of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present application, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

Referring to fig. 1, 3 and 4, an embodiment of the present disclosure provides a down lamp including a heat sink 30, a light source plate 40, a lens 60 and a sealing ring 91. The heat sink 30 includes a disk portion 31 and an annular portion 32 extending from an outer edge of the disk portion 31, and an opening 33 is formed at a connection between the disk portion 31 and the annular portion 32. Light source board 40 has LED lamp pearl 41, and light source board 40 is installed in the interior bottom surface of disk portion 31, and the luminous side of light source board 40 sets up towards lens 60. The outer peripheral surface of the lens 60 is in close fit with the inner wall of the disk 31. The seal ring 91 is fitted around the outer peripheral surface of the lens 60, and the seal ring 91 is clamped between the lens 60 and the disk 31.

Compared with the prior art, the down lamp provided by the application, among this down lamp, radiating piece 30 includes disc portion 31 and annular part 32, and light source board 40 installs the bottom surface in disc portion 31, tight fit between lens 60 outer peripheral face and the disc portion 31 inner wall, presss from both sides between lens 60 outer peripheral face and the disc portion 31 inner wall and is equipped with sealing washer 91, realizes sealed waterproof effect. The down lamp is simple and practical in structure, few in parts and easy to assemble. When the downlight is mounted on the ceiling, the annular portion 32 is exposed to the outside of the ceiling. The heat generated by the light emission of the LED lamp beads 41 of the light source plate 40 can be transferred to the annular portion 32 through the disc portion 31, and is diffused to the external space through the annular portion 32, so that the heat dissipation is realized.

For example, the sealing ring 91 may be made of silicone or other soft materials, and may be deformed and filled in the gap when being pressed, so as to achieve waterproof sealing.

The lens 60 is used to converge the light generated from the light source plate 40 to output a better luminous efficiency. The lens 60 may be made of PC (polycarbonate) or other materials.

Referring to fig. 3, in another embodiment of the present application, the disc portion 31 and the ring portion 32 are integrally formed, so that the manufacturing is convenient and the mass production is realized. The heat dissipation member 30 may be made of metal with good heat conduction, and may be formed by stamping. For example, the heat sink 30 is made of a metal material with a melting point of over 900 ℃, and the down lamp is applied to a ceiling covered with fireproof cotton, and mainly radiates heat by the annular part 32 of the heat sink 30 exposed outside the ceiling. The down lamp has no anti-glare requirement, the depth of the heat dissipation member 30 needs to be as shallow as possible, and the heat dissipation member 30 is arranged into a structure of a disc part 31 and an annular part 32. As shown in fig. 1, a sealing ring 92 may be provided on a rear surface of the ring portion 32 for contacting the ceiling to seal the gap, and the sealing ring 92 may be a silicone ring.

Referring to fig. 4 and 5, in another embodiment of the present application, the diameter of the front end of the lens 60 is slightly smaller than the inner diameter of the opening 33, so that the front end of the lens 60 is first pushed into the opening 33 of the heat sink 30. Here, the front end of the lens 60 refers to an end of the lens 60 facing the light source board 40 when the lens 60 is mounted on the disk part 31 of the heat sink 30. The outer peripheral surface of the lens 60 has a clamping flange 64, and when the lens 60 is mounted inside the disc portion 31, the clamping flange 64 abuts against the inner wall of the disc portion 31, so that the interference fit between the outer peripheral surface of the lens 60 and the inner wall of the disc portion 31 is realized. Illustratively, the lens 60 is provided with a plurality of snap flanges 64 on the outer peripheral surface, and each snap flange 64 abuts against the inner wall of the disc portion 31, so that the lens 60 is reliably fixed in the heat sink 30.

Referring to fig. 2, 4 and 5, in another embodiment of the present invention, a guiding surface 65 is disposed on a side of the latch flange 64 near the front end of the lens 60. This facilitates the manual pressing of the lens 60 into the disc 31, and the guide surface 65 cooperates with the inner wall of the disc 31 to guide the lens 60 into the disc 31 without the manual removal of the lens 60. Wherein the guide surface 65 may be a slope. Illustratively, the snap flange 64 extends along the axial direction of the lens 60, so that the contact area between the snap flange 64 and the inner wall of the disc 31 is small, the lens 60 can be pushed into the disc 31 easily, and the lens 60 and the disc 31 can be reliably connected.

Referring to fig. 2, 4 and 5, in another embodiment of the present application, the outer peripheral surface of the lens 60 has an annular step 66, and the sealing ring 91 is disposed on an end surface of the annular step 66. During assembly, the sealing ring 91 is sleeved outside the annular step 66, when the lens 60 is pushed into the opening 33 of the heat sink 30, the sealing ring 91 is limited on the end surface of the annular step 66, and the sealing ring 91 is clamped between the outer peripheral surface of the lens 60 and the inner wall of the disc part 31 to realize waterproof sealing.

Referring to fig. 1 to 3, in another embodiment of the present application, the down lamp further includes a mounting bracket 10, and an outer bottom surface of the disc portion 31 is mounted on the mounting bracket 10. The heat sink 30 is mounted to the mounting bracket 10 so that the structure is compact.

Referring to fig. 1 to 3, in another embodiment of the present invention, the light source plate 40, the disk portion 31 and the mounting bracket 10 are connected by a fastener 50, the light source plate 40 has a first through hole 42, the disk portion 31 has a second through hole 311, the mounting bracket 10 has a mounting hole 11, and the fastener 50 sequentially penetrates through the first through hole 42, the second through hole 311 and the mounting hole 11, so that the light source plate 40, the heat sink 30 and the mounting bracket 10 can be connected together. This down lamp simple structure, light source board 40, radiating piece 30 and mounting bracket 10 set up less hole site and can satisfy the assembly demand, adopt less fastener 50 just can realize the assembly of light source board 40, radiating piece 30 and mounting bracket 10, convenient assembling.

Illustratively, the light source board 40, the heat dissipation member 30 and the mounting bracket 10 can be assembled by a fastener 50, the light source board 40 is provided with a first through hole 42, the disc portion 31 is provided with a second through hole 311, the mounting bracket 10 is provided with a mounting hole 11, and the fastener 50 sequentially penetrates through the first through hole 42, the second through hole 311 and the mounting hole 11 to realize the assembly, so that the assembly process is very convenient. Specifically, the fastening member 50 is inserted through the light source plate 40, the disk 31 and the middle portion of the mounting bracket 10, which makes the connection more reliable.

Referring to fig. 2 and 5, in another embodiment of the present application, the fastening member 50 is a screw, the screw passes through the first through hole 42 and the second through hole 311 and then is screwed with the mounting hole 11, and the head of the screw abuts against the light source board 40. Set up light source board 40 and mounting bracket 10 respectively with the both sides of radiating piece 30, through the mounting hole 11 with the first via hole 42 that the screw pushed into light source board 40, the second via hole 311 of radiating piece 30 and mounting bracket 10, twist the screw and can realize locking, the impetus of screw is on mounting bracket 10, has solved radiating piece 30 and has been too thin difficult with the lock screw or the unattractive condition behind the lock screw.

Referring to fig. 2, 4 and 5, in another embodiment of the present application, when the light source board 40 has a plurality of LED beads 41 and the lens 60 has a plurality of small lenses 61, the LED beads 41 are arranged corresponding to the small lenses 61. In order to realize that each small lens 61 is arranged corresponding to the LED lamp bead 41, the lens 60 is provided with a positioning column 62, the mounting frame 10 is provided with a positioning hole 12 for the positioning column 62 to be inserted, the light source board 40 is provided with a first through hole 43, the disc portion 31 is provided with a second through hole 312, the positioning column 62 is inserted into the positioning hole 12 after passing through the first through hole 43 and the second through hole 312, so that the lens 60 is positioned in the mounting frame 10, and thus, the lens 60 can be conveniently arranged corresponding to each small lens 61 and the LED lamp bead 41 when being mounted on the heat dissipation.

Referring to fig. 2, 4 and 5, in another embodiment of the present application, the outer surface of the positioning column 62 has a positioning portion 63, the positioning portion 63 is used for abutting and cooperating with the light source board 40 to define the position of the lens 60 relative to the light source board 40, and in the process of pushing the positioning column 62 of the lens 60 into the positioning hole 12 of the mounting frame 10, the positioning portion 63 abuts against the light source board 40, so that the mounting position of the lens 60 relative to the light source board 40 can be determined, and thus the assembly efficiency can be improved. The positioning part 63 may be a positioning table provided in the lens 60, and the positioning column 62 extends in the middle of the positioning table.

Referring to fig. 5 and 7, in another embodiment of the present application, the down lamp further includes a driving assembly 71, and the driving assembly 71 is configured to convert an external power source into a power source required by the light source board 40 to drive the LED lamp bead 41 to emit light. The driving assembly 71 is electrically connected with the light source board 40 through the conducting wire 72, so that the electric power of the driving assembly 71 is transmitted to the light source board 40, the driving assembly 71 and the light source board 40 are arranged at intervals, the heat generated by the working of the light source board 40 is reduced and transmitted to the driving assembly 71, and the reliability of the lamp is improved. The lead 72 is disposed through the first through hole 43 and the second through hole 312, so that the lead 72 is led out of the heat sink 30 from the light source board 40 and then electrically connected to the driving assembly 71. The wire 72 connecting the light source board 40 and the driving assembly 71 passes through the first through hole 43 of the light source board 40 and the second through hole 312 of the heat sink 30, and the positioning column 62 of the lens 60 also passes through the first through hole 43 and the second through hole 312, so that the holes for the wire 72 and the positioning column 62 of the lens 60 to pass through are combined, the holes for the light source board 40 and the heat sink 30 are reduced, fire prevention is facilitated, and the process is simple.

Referring to fig. 1, in another embodiment of the present application, two supporting arms 34 are respectively disposed on two sides of the disc portion 31, and the supporting arms 34 can be connected to the outer side of the disc portion 31 by riveting or welding. The support arm 34 is provided with an elastic member 35. The elastic piece 35 is arranged to facilitate the installation of the down lamp at the hole position of the ceiling, and the elastic piece 35 is supported on the inner side surface of the ceiling to realize the installation of the down lamp.

Referring to fig. 1, 2 and 5, in another embodiment of the present application, the mounting frame 10 is made of plastic, the mounting frame 10 has a through groove 13, and an outer bottom surface of the disc portion 31 abuts against a port of the through groove 13. The mounting bracket 10 is made of a plastic material having a through groove 13, which facilitates the transmission of a portion of heat generated by the operation of the light source plate 40 to the heat sink 30 and then to the external environment through the through groove 13, and saves material cost without increasing excessive weight. The mounting frame 10 is at a height close to the height of the support arms 34, which can enhance the aesthetic appeal. In addition, if the power of the light source board 40 is high and the heat density is concentrated, a metal member may be disposed under the mounting frame 10 to assist heat conduction.

Illustratively, the mounting bracket 10 is substantially cylindrical, and the plurality of through grooves 13 are circumferentially disposed on the mounting bracket 10, so as to form a plurality of heat dissipation spaces, and a part of heat generated by the operation of the light source board 40 is transferred to the heat dissipation member 30 and is diffused to the external environment through the through grooves 13 relatively quickly, thereby achieving heat dissipation.

Referring to fig. 1 and 5, in another embodiment of the present application, the ring portion 32 is installed with a decoration ring 80, the ring portion 32 has a slot 321, and the decoration ring 80 has a buckle 81 snap-fitted with the slot 321. The decoration ring 80 is detachably mounted on the ring portion 32 of the heat sink 30, and is convenient to assemble and reliable in connection.

Referring to fig. 6 to 8, in another embodiment of the present application, the tube light further includes a driving box 20, the mounting frame 10 is connected to the driving box 20 through a bendable connecting rib 20a, and the driving box 20 can be turned over freely relative to the mounting frame 10. The mounting rack 10, the connecting ribs 20a and the driving box 20 are of an integral injection molding structure; the driving assembly 71 is installed in the driving box 20, and the mouth 21 of the driving box 20 is covered with the cover body 20b, so as to protect the driving assembly 71. This down lamp adopts less part to realize that drive assembly 71 is external, still realizes the relevance setting of light source board 40 and drive assembly 71, reducible part like this and injection mold quantity simplify assembly process. Exemplarily, the driving box 20 and the cover body 20b can be connected in a manner of matching a buckle and a slot, so that the assembly is easy and the connection is reliable.

Referring to fig. 6, in another embodiment of the present application, the number of the connecting ribs 20a is multiple, and the connecting ribs 20a are arranged side by side at intervals. The arrangement of the plurality of connecting ribs 20a spaced side by side improves the reliability of the connection between the drive box 20 and the mounting frame 10, and the structure facilitates injection molding. The connecting ribs 20a may be made of a plastic material with good toughness, so that the connecting ribs 20a can be bent, and the driving box 20 can be turned over relative to the mounting frame 10.

Referring to fig. 7 and 8, in another embodiment of the present application, the downlight further includes a power cord 73, and the power cord 73 has a plug for connecting with an external socket (not shown) to implement power input. The drive case 20 has a through hole 22 and a meandering groove 23, and the through hole 22 communicates with the meandering groove 23. The meandering groove 23 is a meandering groove. The first end 73a of the power line 73 passes through the through hole 22 and is bent and arranged in the winding groove 23, and the first end 73a of the power line 73 is electrically connected with the driving assembly 71. When the power wire 73 is pulled, the inner wall of the winding groove 23 can block the power wire 73, and the pulling force on the power wire 73 can act on the inner wall of the winding groove 23, so that the pulling force at the joint between the power wire 73 and the driving assembly 71 is small, the possibility that the power wire 73 is pulled out to be separated from the driving assembly 71 can be reduced to a certain extent, the abrasion on the outer skin of the power wire 73 is reduced, the requirement of the pulling force on the power wire 73 is met, the process is simple, the installation is convenient, and the reliability of the lamp is improved.

Referring to fig. 7 and 8, in another embodiment of the present application, the driving box 20 includes a box body 24, a first blocking wall 25 and a second blocking wall 26, the box body 24 has a first sidewall 241, the through hole 22 is disposed on the first sidewall 241, the first blocking wall 25 is disposed opposite to the through hole 22 and spaced apart from the first sidewall 241, the first blocking wall 25 and the second blocking wall 26 are disposed in the box body 24 at a spaced apart distance, and a winding groove 23 is formed between the first sidewall 241, the first blocking wall 25 and the second blocking wall 26. The drive case 20 having the meandering groove 23 and the through hole 22 is easily molded, the meandering groove 23 is substantially U-shaped, and the first end 73a of the power supply line 73 is bent and provided in the meandering groove 23, so that the power supply line 73 can be prevented from being pulled out. When the power cord 73 is pulled, the pulling force on the power cord 73 mainly acts on the first sidewall 241 and the first blocking wall 25, so that the pulling force at the connection between the power cord 73 and the driving assembly 71 is small. Specifically, a first connecting wall 27 is provided between one end of the first blocking wall 25 and the first side wall 241, and a second connecting wall 28 is provided between one end of the second blocking wall 26 and the first side wall 241, so that the complete meandering groove 23 is formed, and the first end portion 73a of the power cord 73 can be quickly installed in the meandering groove 23.

Referring to fig. 6, 7 and 9, in another embodiment of the present application, the cover 20b covers the opening 21 of the driving box 20, the cover 20b is provided with a third blocking wall 29, and the end of the third blocking wall 29 is disposed opposite to the inner bottom surface of the box body 24. The first end 73a of the power cord 73 is bent and arranged in the winding groove 23, and the end of the third blocking wall 29 is arranged close to the first end 73a of the power cord 73, so as to limit the first end 73a of the power cord 73 in the normal direction of the opening 21 of the drive box 20, so that the contact area between the first end 73a of the power cord 73 and the cover body 20b is larger when the power cord 73 is pulled, the pressure between the power cord 73 and the cover body 20b is smaller, and the abrasion of the outer skin of the power cord 73 is reduced.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (10)

1. A down lamp is characterized by comprising a heat radiating piece, a light source plate, a lens and a sealing ring; the heat dissipation piece comprises a disc-shaped part and an annular part formed by extending the outer edge of the disc-shaped part, and an opening is formed at the joint between the disc-shaped part and the annular part; the light source plate is provided with LED lamp beads, the light source plate is arranged on the inner bottom surface of the disc-shaped part, and the light emitting side of the light source plate faces the lens; the peripheral surface of the lens is tightly matched with the inner wall of the disc-shaped part; the sealing ring is sleeved on the peripheral surface of the lens, and the sealing ring is clamped between the lens and the disc-shaped part.

2. The downlight of claim 1, wherein a diameter of a front end of the lens is smaller than an inner diameter of the opening, an outer peripheral surface of the lens has a snap-fit flange, and the snap-fit flange abuts against an inner wall of the disk when the lens is mounted inside the disk.

3. A downlight according to claim 2 wherein the side of the clamping flange adjacent the front end of the lens is provided with a guide surface.

4. A downlight according to claim 1 wherein the outer peripheral surface of the lens has an annular step, and the sealing ring is provided on an end face of the annular step.

5. A downlight according to any one of claims 1 to 4 further comprising a mounting bracket to which an outer underside of the pan is mounted.

6. The downlight of claim 5, wherein the lens has a positioning post, the mounting bracket has a positioning hole into which the positioning post is inserted, the light source plate has a first through hole, and the disk has a second through hole; the positioning column penetrates through the first through hole and the second through hole and then is inserted into the positioning hole, so that the lens is positioned on the mounting frame.

7. A downlight according to claim 6 wherein the outer surface of the locating post has a locating portion for abutting engagement with the light source board to define the position of the lens relative to the light source board.

8. The downlight of claim 6, further comprising a drive assembly, wherein the drive assembly is electrically connected with the light source board through a wire; the wire penetrates through the first through hole and the second through hole.

9. A downlight according to claim 5, wherein the mounting bracket is a plastic member, the mounting bracket having a through slot, the outer bottom surface of the disc portion abutting against an end opening of the through slot.

10. A downlight according to any one of claims 1 to 4, wherein the annular portion is fitted with a decorative ring; the annular part is provided with a clamping groove, and the decorative ring is provided with a buckle matched with the clamping groove in a clamping manner.

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