CN213177965U

CN213177965U - Leak protection light LED down lamp

Info

Publication number: CN213177965U
Application number: CN202022263001.9U
Authority: CN
Inventors: 林建勇; 黄春华
Original assignee: Fujian Haijia Photoelectric Technology Co Ltd
Current assignee: Quanzhou Haijia Optoelectronic Technology Co.,Ltd.
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-05-11
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses a leak protection light LED down lamp, including circuit board, mount pad and light-passing board, circuit board below fixed mounting has the mount pad, and the inside screw hole that is provided with of mount pad, screw hole threaded connection has the screw thread post, the inside light guide plate that is provided with of barrel shell, and leave the gap between light guide plate and the barrel shell, fixed surface is connected under light guide plate top and the mount pad, and light guide plate bottom fixed mounting has the second hem, barrel shell all is the splayed structure with the light guide plate, first hem is provided with first screw thread with the relative one side in second hem, and is provided with the installation apron below first hem and the second hem, and the installation apron is circular structure. This leak protection light LED down lamp makes things convenient for quick replacement LED banks and installation apron, improves work efficiency to and can effectively prevent light to spill from the clearance between light-passing board and the installation apron and cause the glare, bring uncomfortable problem for the user.

Description

Leak protection light LED down lamp

Technical Field

The utility model relates to a down lamp technical field specifically is a leak protection light LED down lamp.

Background

The LED down lamp is a product developed by improving the traditional down lamp by applying a novel LED lighting source, and has the following advantages compared with the traditional down lamp: energy saving, low carbon, long service life, good color rendering and high response speed. The LED down lamp is more attractive and light in design, the whole unification and perfection of architectural decoration can be kept during installation, the arrangement of the lamp is not damaged, the light source is hidden inside the architectural decoration, the light source is not exposed, glare is avoided, and the visual effect of people is soft and uniform.

However, the light of the existing LED down lamp has the problem of light leakage, so that the problem of glare is easily caused, and the replacement of an LED lamp group and the installation of a cover plate are inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leak protection light LED down lamp to there is the light leak problem in the current LED down lamp light that proposes in solving above-mentioned background art, causes the glare problem easily, is not convenient for change the problem of LED banks and installation apron moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a light leakage prevention LED down lamp comprises a circuit board, a mounting seat and a light transmission plate, wherein the mounting seat is fixedly mounted below the circuit board, a threaded hole is formed in the mounting seat, a threaded column is in threaded connection with the threaded hole, the bottom of the threaded column is fixedly connected with the mounting plate, an LED lamp group is arranged on the surface of the bottom of the mounting plate, a barrel shell is fixedly mounted below the mounting seat, a first folded edge is fixedly mounted at one end, away from the mounting seat, of the barrel shell, a light guide plate is arranged inside the barrel shell, a gap is reserved between the light guide plate and the barrel shell, the top of the light guide plate is fixedly connected with the lower surface of the mounting seat, a second folded edge is fixedly mounted at the bottom of the light guide plate, the barrel shell and the light guide plate are in a splayed structure, first threads are arranged on the opposite side of the first folded edge and, and the mounting cover plate is of a circular structure.

Preferably, the length of the first folded edge is 1 to 3cm longer than that of the second folded edge, and the bottoms of the first folded edge and the second folded edge are fixedly provided with second sealing rings.

Preferably, the mount pad is circular structure, and the spout has been seted up at the mount pad middle part, and spout inner wall sliding connection has the slider, and the slider is close to the first sealing washer of screw hole one side fixedly connected with, and the slider keeps away from one side fixedly connected with spring, the spring other end and spout inner wall fixed connection of screw hole.

Preferably, a circular mounting ring is arranged above the mounting cover plate, second threads are arranged on the outer side surface of the circular mounting ring, and the first threads are matched with the second threads.

Preferably, a dustproof ring and a third sealing ring are arranged above the mounting cover plate, the dustproof ring and the third sealing ring are both of L-shaped structures, the dustproof ring is fixedly connected with the outer side surface of the circular mounting ring, and the third sealing ring is fixedly connected with the inner side surface of the circular mounting ring.

Preferably, the inside light-passing board that is provided with of installation apron, light-passing board circumference lateral wall and the vertical side of third sealing washer are laminated mutually, and the light-passing board is fixed on the third sealing washer through the rubber coating.

Compared with the prior art, the beneficial effects of the utility model are that: the LED down lamp with the light leakage prevention function has the advantages that the LED lamp set and the mounting cover plate can be replaced conveniently, the working efficiency is improved, and the problem that light leaks out from the gap between the light-transmitting plate and the mounting cover plate to cause glare and discomfort to a user can be solved;

1. the LED down lamp is provided with a mounting seat, a first sealing ring and a threaded column, the threaded column penetrates through the first sealing ring and is in threaded connection with a threaded hole in the mounting seat through the threaded column, the LED lamp group and the circuit board are convenient to mount and dismount, and a sliding block is driven by a spring to slide in a sliding groove, so that the sliding block extrudes the first sealing ring, the threaded column is sealed, light is prevented from leaking from the mounting seat, and the lighting effect of the LED down lamp is prevented from being influenced;

2. the light guide plate, the circular mounting ring and the first threads are arranged, the mounting and dismounting of the mounting cover plate are facilitated through the matching of the second threads on the outer side surface of the circular mounting ring and the first threads, and the light reflection is more concentrated due to the fact that the shell of the cylinder body and the light guide plate are in a splayed structure;

3. be equipped with the dirt proof ring, third sealing washer and second sealing washer, the light-passing board forms stable mounting structure and fixes through the sizing material through its ring limit shelf on the third sealing washer, the second sealing washer is fixed once more to the light-passing board along with the rotation of circular mounting ring simultaneously, insert in the annular groove of circular mounting ring and second hem in the upper end of third sealing washer, stable in structure and through the second hem, circular mounting ring, the blockking of dirt proof ring and first hem, light almost does not spill, dirt proof ring and the cooperation of second sealing washer, avoid outside dust to get into in the barrel, influence the illuminating effect of LED down lamp.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic structural view of a connection relationship between a mounting seat and a threaded column;

fig. 3 is a schematic view of the connection relationship between the mounting cover plate and the light-transmitting plate, the dust-proof ring and the third sealing ring.

In the figure: 1. a circuit board; 2. a mounting seat; 3. a threaded post; 4. a light-transmitting plate; 5. a second folded edge; 6. installing a cover plate; 7. a first folded edge; 8. an LED lamp group; 9. mounting a plate; 10. a barrel housing; 11. a light guide plate; 12. a spring; 13. a chute; 14. a slider; 15. a first seal ring; 16. a threaded hole; 17. a second seal ring; 18. a dust ring; 19. a third seal ring; 20. a first thread; 21. a circular mounting ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a light leakage prevention LED down lamp comprises a circuit board 1, a mounting seat 2 and a light transmission plate 4, wherein the mounting seat 2 is fixedly mounted below the circuit board 1, a threaded hole 16 is formed in the mounting seat 2, the threaded hole 16 is in threaded connection with a threaded column 3, the bottom of the threaded column 3 is fixedly connected with a mounting plate 9, an LED lamp group 8 is arranged on the surface of the bottom of the mounting plate 9, a cylinder shell 10 is fixedly mounted below the mounting seat 2, a first flange 7 is fixedly mounted at one end, away from the mounting seat 2, of the cylinder shell 10, a light guide plate 11 is arranged in the cylinder shell 10, a gap is reserved between the light guide plate 11 and the cylinder shell 10, the top of the light guide plate 11 is fixedly connected with the lower surface of the mounting seat 2, a second flange 5 is fixedly mounted at the bottom of the light guide plate 11, the cylinder shell 10 and the light guide plate 11 are in a, and an installation cover plate 6 is arranged below the first folding edge 7 and the second folding edge 5, and the installation cover plate 6 is of a circular structure.

As shown in fig. 1 and 2, the length of the first folding edge 7 is 1 to 3cm longer than that of the second folding edge 5, and the bottoms of the first folding edge 7 and the second folding edge 5 are both fixedly provided with a second sealing ring 17, the mounting base 2 is of a circular structure, the middle part of the mounting base 2 is provided with a chute 13, the inner wall of the chute 13 is connected with a sliding block 14 in a sliding manner, one side of the sliding block 14 close to the threaded hole 16 is fixedly connected with a first sealing ring 15, one side of the sliding block 14 far away from the threaded hole 16 is fixedly connected with a spring 12, the other end of the spring 12 is fixedly connected with the inner wall of the chute 13, a threaded column 16 penetrates through the first sealing ring 15 and is in threaded connection with the threaded hole 16 inside the mounting base 2 through the threaded column 16, so as to facilitate the installation and disassembly of the LED lamp set 8 and the connection with the circuit board 1, the sliding block, light is prevented from leaking from the mounting seat 2, and the lighting effect of the LED down lamp is prevented from being influenced.

As shown in fig. 1 and 3, a circular mounting ring 21 is arranged above the mounting cover plate 6, a second thread is arranged on the outer side surface of the circular mounting ring 21, the first thread 20 is matched with the second thread, a dust ring 18 and a third sealing ring 19 are arranged above the mounting cover plate 6, the dust ring 18 and the third sealing ring 19 are both of an L-shaped structure, the dust ring 18 is fixedly connected with the outer side surface of the circular mounting ring 21, the third sealing ring 19 is fixedly connected with the inner side surface of the circular mounting ring 21, a light-transmitting plate 4 is arranged inside the mounting cover plate 6, the circumferential side wall of the light-transmitting plate 4 is attached to the vertical side surface of the third sealing ring 19, the light-transmitting plate 4 is fixed on the third sealing ring 19 by gluing, the second thread on the outer side surface of the circular mounting ring 21 is matched with the first thread 20, so as to facilitate mounting and dismounting of the mounting cover plate 6, the barrel shell 10, the light-transmitting plate 4 is placed on the third sealing ring 19 through the annular edge of the light-transmitting plate to form a stable mounting structure and is fixed through a sizing material, meanwhile, the second sealing ring 17 fixes the light-transmitting plate 4 again along with the rotation of the circular mounting ring 21, the upper end of the third sealing ring 19 is inserted into the annular grooves of the circular mounting ring 21 and the second folding edge 5, the structure is stable, the light passes through the second folding edge 5, the circular mounting ring 21, the dustproof ring 18 and the first folding edge 7 are blocked, light almost does not leak, the dustproof ring 18 is matched with the second sealing ring 17, external dust is prevented from entering the barrel, and the lighting effect of the LED barrel lamp is influenced.

The working principle is as follows: when the light leakage prevention LED down lamp is used, as shown in a combined drawing 1, a drawing 2 and a drawing 3, a threaded column 16 penetrates through a first sealing ring 15 and is in threaded connection with a threaded hole 16 in a mounting seat 2 through the threaded column 16, so that an LED lamp group 8 and a circuit board 1 are conveniently mounted and dismounted, a spring 12 drives a sliding block 14 to slide in a sliding groove 13, the sliding block 14 extrudes the first sealing ring 15, the threaded column 16 is sealed, light is prevented from leaking from the mounting seat 2 to influence the lighting effect of the LED down lamp, a second thread on the outer side surface of a circular mounting ring 21 is matched with a first thread 20 to facilitate mounting and dismounting of a mounting cover plate 6, a cylinder shell 10 and a light guide plate 11 are in a splayed structure to enable light reflection to be more concentrated, a light transmission plate 4 is placed on a third sealing ring 19 through the annular edge of the light transmission plate to form a stable mounting structure and is fixed through glue, simultaneously second sealing washer 17 is fixed once more to light-passing board 4 along with the rotation of circular collar 21, insert in the annular groove of circular collar 21 and second hem 5 the upper end of third sealing washer 19, stable in structure and through second hem 5, circular collar 21, the stopping of dust ring 18 and first hem 7, light does not almost leak, dust ring 18 and the cooperation of second sealing washer 17, avoid in outside dust gets into the barrel, influence the illuminating effect of LED down lamp, this is exactly the whole process that leak protection LED down lamp used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a leak protection light LED down lamp, includes circuit board (1), mount pad (2) and light-passing board (4), its characterized in that: the LED lamp is characterized in that a mounting seat (2) is fixedly mounted below the circuit board (1), a threaded hole (16) is formed in the mounting seat (2), a threaded column (3) is in threaded connection with the threaded hole (16), a mounting plate (9) is fixedly connected to the bottom of the threaded column (3), an LED lamp bank (8) is arranged on the surface of the bottom of the mounting plate (9), a barrel shell (10) is fixedly mounted below the mounting seat (2), a first folding edge (7) is fixedly mounted at one end, far away from the mounting seat (2), of the barrel shell (10), a light guide plate (11) is arranged in the barrel shell (10), a gap is reserved between the light guide plate (11) and the barrel shell (10), the top of the light guide plate (11) is fixedly connected with the lower surface of the mounting seat (2), a second folding edge (5) is fixedly mounted at the bottom of the light guide plate (11), and the barrel shell (10, the first thread (20) is arranged on one side, opposite to the second folded edge (5), of the first folded edge (7), the mounting cover plate (6) is arranged below the first folded edge (7) and the second folded edge (5), and the mounting cover plate (6) is of a circular structure.

2. The LED down lamp capable of preventing light leakage according to claim 1, is characterized in that: the length of the first folding edge (7) is 1-3 cm longer than that of the second folding edge (5), and a second sealing ring (17) is fixedly mounted at the bottoms of the first folding edge (7) and the second folding edge (5).

3. The LED down lamp capable of preventing light leakage according to claim 1, is characterized in that: mounting seat (2) are circular structure, and spout (13) have been seted up at mounting seat (2) middle part, and spout (13) inner wall sliding connection has slider (14), and slider (14) are close to first sealing washer (15) of screw hole (16) one side fixedly connected with, and one side fixedly connected with spring (12) of screw hole (16) are kept away from in slider (14), the spring (12) other end and spout (13) inner wall fixed connection.

4. The LED down lamp capable of preventing light leakage according to claim 1, is characterized in that: a circular mounting ring (21) is arranged above the mounting cover plate (6), second threads are arranged on the outer side surface of the circular mounting ring (21), and the first threads (20) are matched with the second threads.

5. The LED down lamp capable of preventing light leakage according to claim 1, is characterized in that: the dustproof ring (18) and the third sealing ring (19) are arranged above the mounting cover plate (6), the dustproof ring (18) and the third sealing ring (19) are of L-shaped structures, the dustproof ring (18) is fixedly connected with the outer side surface of the circular mounting ring (21), and the third sealing ring (19) is fixedly connected with the inner side surface of the circular mounting ring (21).

6. The LED down lamp capable of preventing light leakage according to claim 1, is characterized in that: the installation apron (6) is inside to be provided with light-passing board (4), and light-passing board (4) circumference lateral wall laminates mutually with the vertical side of third sealing washer (19), and light-passing board (4) are fixed on third sealing washer (19) through the rubber coating.