CN220287204U

CN220287204U - High heat dissipation LED down lamp convenient to adjust light-emitting angle

Info

Publication number: CN220287204U
Application number: CN202322026710.9U
Authority: CN
Inventors: 曾建军
Original assignee: Dongguan Jiuzhou Electric Appliance Co ltd
Current assignee: Dongguan Jiuzhou Electric Appliance Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-01-02
Anticipated expiration: 2033-07-31

Abstract

The utility model discloses a high-heat-dissipation LED down lamp convenient for adjusting a light emitting angle, which comprises an outer cover body, elastic fasteners arranged at two ends of the outer cover body, and a fixed sleeve sleeved in the outer cover body, wherein a first thread part and a second thread part smaller than the first thread part in diameter are respectively arranged on the inner wall of the fixed sleeve, the second thread part is arranged at the bottom of the first thread part, the second thread part is in threaded connection with an inner cover body, the first thread part is in threaded connection with a heat dissipation column, a lens is arranged on the inner wall of the inner cover body, an LED light source assembly is arranged at the bottom of the heat dissipation column, and a power connection wire electrically connected with the LED light source assembly is arranged outside the heat dissipation column; according to the high-heat-dissipation LED down lamp convenient for adjusting the light-emitting angle, on one hand, the inner cover body is rotated to be used for adjusting the light-emitting angle of the LED down lamp; on the other hand, the LED light source component is directly arranged at the bottom of the heat dissipation column, so that the heat dissipation effect is good.

Description

High heat dissipation LED down lamp convenient to adjust light-emitting angle

Technical Field

The utility model relates to the technical field of LED down lamps, in particular to a high-heat-dissipation LED down lamp with an adjustable light-emitting angle.

Background

The LED down lamp is a lighting lamp with light vertically emitted and embedded into a ceiling, and generally comprises an LED light source, a PCB lamp panel, a light-transmitting cover, an LED power supply and the like.

Such as patent document No.: CN210179438U, entitled: the utility model discloses an utility model patent of an LED down lamp capable of changing color temperature and brightness, which comprises a lamp cap assembly, a power supply assembly, a reflecting cover, an LED light source assembly, a light distribution assembly and an elastic assembly, wherein the utility model has the following two common defects of the LED down lamp as follows:

(1) The light distribution assembly is arranged in the reflecting cover and comprises reflective paper covered on the outer side of the LED light source assembly and a diffusion plate arranged right below the LED light source assembly, the diffusion plate and the LED light source assembly are relatively fixed in position, and the vertical distance cannot be adjusted, so that the light emitting angle cannot be adjusted;

(2) The LED light source component is arranged on the inner side of the power component, the LED light source component is lack of a matched heat dissipation structure, and when the heat of the LED light source component is large, the heat dissipation is poor, and the heat is difficult to discharge.

Therefore, an LED down lamp with adjustable light emitting angle and good heat dissipation is urgently needed in the market.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a high-heat-dissipation LED down lamp convenient for adjusting the light-emitting angle, which is used for solving the problems that the existing LED down lamp cannot adjust the light-emitting angle and is poor in heat dissipation.

In order to achieve the above purpose, the utility model provides a high heat dissipation LED down lamp convenient for adjusting a light emitting angle, which comprises an outer cover body, an elastic fastener arranged at two ends of the outer cover body, and a fixing sleeve sleeved in the outer cover body, wherein the inner wall of the fixing sleeve is respectively provided with a first thread part and a second thread part smaller than the first thread part in diameter, the second thread part is arranged at the bottom of the first thread part, the second thread part is in threaded connection with an inner cover body, the first thread part is in threaded connection with a heat dissipation column, a lens is arranged on the inner wall of the inner cover body, an LED light source assembly is arranged at the bottom of the heat dissipation column, and a power connection wire electrically connected with the LED light source assembly is arranged outside the heat dissipation column.

Preferably, the two ends of the outer cover body are provided with T-shaped grooves, the elastic fastener is a spring fastener, and a spring at one end of the spring fastener is clamped on the T-shaped grooves.

Preferably, the bottom of the outer cover body is provided with an outer ring part which is convenient for placing and stabilizing.

Preferably, the outer cover and the fixing sleeve are connected together by bolts.

Preferably, a first arc-shaped step is formed at the bottom of the inner wall of the outer cover body.

Preferably, a first annular groove is formed in the inner wall of the inner cover body, and the lens is placed on the first annular groove.

Preferably, a second annular groove is formed in the top of the first annular groove, and a clamp spring for fixing the lens is arranged in the second annular groove.

Preferably, the bottom of the first annular groove is provided with a second arc-shaped step.

Preferably, the LED light source assembly is a bicolor COB light source module and a light source fixing cover which is used for installing the bicolor COB light source module and is arranged at the bottom of the heat dissipation column, and the light source fixing cover and the heat dissipation column are connected together through bolts.

Preferably, the heat dissipation column comprises a bottom cover in threaded connection with the first threaded portion and a plurality of heat dissipation fins surrounding the top of the bottom cover.

Compared with the prior art, the utility model has the beneficial effects that:

1. the LED down lamp is provided with the fixing sleeve, the inner cover body can be firstly installed through the second threaded part of the fixing sleeve, the heat dissipation column is installed after passing through the first threaded part of the fixing sleeve, meanwhile, the heat dissipation column cannot be installed on the second threaded part because the second threaded part is smaller than the first threaded part, after the heat dissipation column is installed, the inner cover body can be screwed up and down from the bottoms of the outer cover body and the fixing sleeve, so that the distance between the LED light source assembly and the lens can be adjusted, and the light emitting angle of the LED down lamp can be adjusted.

2. The LED light source module is provided with the heat dissipation column, and the LED light source module is directly arranged at the bottom of the heat dissipation column, so that heat can be effectively dissipated, and the damage of the LED light source module due to overhigh temperature can be avoided.

3. According to the high-heat-dissipation LED down lamp convenient for adjusting the light-emitting angle, on one hand, the inner cover body is rotated to adjust the light-emitting angle of the LED down lamp; on the other hand, the LED light source component is directly arranged at the bottom of the heat dissipation column, so that the heat dissipation effect is good.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a high heat dissipation LED down lamp with light emitting angle convenient to adjust according to an embodiment of the present utility model;

FIG. 2 is a schematic front cut-away view of a high heat dissipation LED down lamp with light exit angle adjustment according to an embodiment of the present utility model;

FIG. 3 is an enlarged partial schematic view of FIG. 2;

FIG. 4 is a top view of a high heat dissipation LED down lamp with easy adjustment of the light exit angle according to an embodiment of the present utility model;

fig. 5 is an exploded schematic view of a high heat dissipation LED down lamp with light emitting angle convenient to adjust according to an embodiment of the present utility model.

The drawings include:

1. a housing body; 10. a T-shaped groove; 11. an outer ring portion; 12. a first arcuate step; 2. a fixed sleeve; 21. a first threaded portion; 22. a second threaded portion; 3. an inner cover; 31. a first annular groove; 32. a second annular groove; 33. a second arcuate step; 4. a lens; 5. clamping springs; 6. a heat radiation column; 61. a bottom cover; 62. a heat sink; 7. an LED light source assembly; 71. a dual-color COB light source module; 72. a light source fixing cover; 8. an elastic fastener; 9. and (5) connecting a power supply.

Detailed Description

The technical solutions of the present embodiment of the present utility model will be clearly and completely described below with reference to the drawings in the present embodiment of the present utility model, and it is apparent that the described present embodiment is one embodiment of the present utility model, but not all the present embodiments. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

Referring to fig. 1 to 5, an embodiment of the utility model provides a high heat dissipation LED down lamp with a light emitting angle convenient to adjust, which comprises an outer cover 1, an elastic fastener 8 arranged at two ends of the outer cover 1, and a fixing sleeve 2 sleeved inside the outer cover 1, wherein a first thread part 21 and a second thread part 22 smaller than the first thread part 21 in diameter are respectively arranged on the inner wall of the fixing sleeve 2, the second thread part 22 is arranged at the bottom of the first thread part 21, the second thread part 22 is in threaded connection with an inner cover 3, the first thread part 21 is in threaded connection with a heat dissipation column 6, a lens 4 is arranged on the inner wall of the inner cover 3, an LED light source component 7 is arranged at the bottom of the heat dissipation column 6, and a power connection 9 electrically connected with the LED light source component 7 is arranged outside the heat dissipation body.

T-shaped grooves 10 are formed in two ends of the outer cover body 1, the elastic fastener 8 is a spring fastener, and a spring at one end of the spring fastener is clamped on the T-shaped grooves 10. The snap-in is to facilitate embedding the LED down lamp in a ceiling.

The bottom of the outer cover body 1 is provided with an outer ring part 11 which is convenient for stable placement.

The outer cover body 1 and the fixed sleeve 2 are connected together through bolts.

The bottom of the inner wall of the outer cover body 1 is provided with a first arc-shaped step 12; the first arcuate step 12 may assist in glare of the LED down lamp.

The inner wall of the inner cover body 3 is provided with a first annular groove 31, and the lens 4 is placed on the first annular groove 31.

The top of the first annular groove 31 is provided with a second annular groove 32, and the second annular groove 32 is provided with a clamp spring 5 for fixing the lens 4.

The bottom of the first annular groove 31 is provided with a second arc-shaped step 33; the second arc step 33 can effectively reduce the glare of the LED down lamp.

The LED light source assembly 7 is a bicolor COB light source module 71, and a light source fixing cover 72 which is used for installing the bicolor COB light source module 71 and is arranged at the bottom of the heat dissipation post 6, and the light source fixing cover 72 and the heat dissipation post 6 are connected together through bolts.

The heat dissipation column 6 comprises a bottom cover 61 in threaded connection with the first threaded portion 21 and a plurality of heat dissipation fins 62 surrounding the top of the bottom cover 61; the heat sink 62 dissipates heat efficiently.

The power connection 9 of the high-heat-dissipation LED down lamp with the light emitting angle convenient to adjust can be electrically connected with an external power supply component, and the external power supply component can be provided with a color temperature switch to adjust the color temperature of the two-color COB light source module 71 and can be provided with a dimmer to adjust the stepless brightness.

According to the high-heat-dissipation LED down lamp convenient for adjusting the light emitting angle, on one hand, the inner cover body 3 is rotated to adjust the light emitting angle of the LED down lamp; on the other hand, the LED light source assembly 7 is directly arranged at the bottom of the heat dissipation column 6, so that the heat dissipation effect is good.

The foregoing is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the utility model, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims

1. The utility model provides a high heat dissipation LED down lamp convenient to adjust light angle, includes the dustcoat body (1), its characterized in that still including installing elastic fastener (8) at dustcoat body (1) both ends and cover establish at the inside fixed sleeve (2) of dustcoat body (1), fixed sleeve (2) inner wall is equipped with first screw thread portion (21) respectively and is less than second screw thread portion (22) of first screw thread portion (21) diameter, second screw thread portion (22) are installed in first screw thread portion (21) bottom, second screw thread portion (22) threaded connection has inner cover body (3), first screw thread portion (21) threaded connection has heat dissipation post (6), lens (4) are installed to inner cover body (3) inner wall, LED light source assembly (7) are installed to heat dissipation post (6) bottom, heat dissipation post (6) outside has installed power wiring (9) of being connected with LED light source assembly (7).

2. The high-heat-dissipation LED down lamp convenient for adjusting the light emitting angle according to claim 1, wherein the T-shaped grooves (10) are formed in two ends of the outer cover body (1), the elastic fastener (8) is a spring fastener, and a spring at one end of the spring fastener is clamped on the T-shaped grooves (10).

3. The high-heat-dissipation LED down lamp convenient for adjusting the light-emitting angle according to claim 1, wherein an outer ring part (11) convenient for stable placement is arranged at the bottom of the outer cover body (1).

4. The high-heat-dissipation LED down lamp capable of conveniently adjusting light-emitting angles according to claim 1, wherein the outer cover body (1) and the fixing sleeve (2) are connected together through bolts.

5. The high-heat-dissipation LED down lamp convenient for adjusting the light-emitting angle according to claim 1, wherein a first arc-shaped step (12) is formed at the bottom of the inner wall of the outer cover body (1).

6. The high-heat-dissipation LED down lamp convenient for adjusting the light-emitting angle according to claim 1, wherein a first annular groove (31) is formed in the inner wall of the inner cover body (3), and the lens (4) is placed on the first annular groove (31).

7. The high-heat-dissipation LED down lamp convenient for adjusting the light-emitting angle according to claim 6, wherein a second annular groove (32) is arranged at the top of the first annular groove (31), and a clamp spring (5) for fixing the lens (4) is arranged in the second annular groove (32).

8. The high heat dissipation LED down lamp with easy adjustment of light emitting angle according to claim 6, wherein the bottom of the first annular groove (31) is provided with a second arc step (33).

9. The high-heat-dissipation LED down lamp with the light emitting angle convenient to adjust according to claim 1, wherein the LED light source assembly (7) is a bicolor COB light source module (71) and a light source fixing cover (72) which is used for installing the bicolor COB light source module (71) and is arranged at the bottom of the heat dissipation column (6), and the light source fixing cover (72) and the heat dissipation column (6) are connected together through bolts.

10. The high heat dissipation LED down lamp with the light emitting angle convenient to adjust according to claim 1, wherein the heat dissipation column (6) comprises a bottom cover (61) in threaded connection with the first threaded portion (21) and a plurality of heat dissipation fins (62) surrounding the top of the bottom cover (61).