Light-gathering-degree-adjustable LED down lamp

Abstract

The utility model relates to the technical field of light-emitting diode (LED) lamps, in particular to an LED down lamp with adjustable condensation degree, which comprises an LED lamp main body and an adjusting mechanism, a lamp shell is arranged on the LED lamp body, a light gathering cover is slidably connected into the lamp shell, and the light gathering cover is arranged on the outer side of the LED lamp body. The adjusting mechanism comprises an adjusting rotary drum coaxially arranged on the outer side of the light gathering cover, a connecting ring coaxially arranged on the adjusting rotary drum, a limiting ring coaxially arranged on the connecting ring and four guide blocks distributed on the light gathering cover in an annular array mode. The light gathering cover is provided with a threaded part, the adjusting rotary drum is in threaded connection with the threaded part, four sliding grooves allowing the guide blocks to move in the axial direction of the light gathering cover are formed in the lamp shell, and the connecting ring and the limiting ring are rotationally arranged in the lamp shell. According to the LED down lamp, the position of the light gathering cover can be quickly adjusted, so that the LED down lamp is suitable for different occasions, the complexity of adjusting operation is reduced, and the use convenience of the LED down lamp is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED lamp technical field especially, is a kind of adjustable light concentration LED down lamp. BACKGROUND

[0002] LED down lamp is a light ray down-throwing type lighting lamp installed on ceiling.LED down lamp uses LED as light source, has higher luminous efficiency and lower energy consumption, compared with traditional incandescent lamp and fluorescent lamp, can save energy significantly.

[0003] The Chinese patent with publication number CN213019433U discloses a kind of LED down lamp of light condensation adjustment, including base and adjusting mechanism, the upper end of base is provided with adjusting mechanism, the outer surface of movable cylinder is provided with bend block and support bend bar, the inner wall of movable cylinder is opened with sliding slot, movable cylinder is connected with adjusting rod by bend block, movable cylinder is connected with light-shield support by support bend bar, movable cylinder is connected with lamp body by sliding slot, the upper end of lamp body is provided with multiple bulbs, the outer surface of lamp body is provided with sliding block, lamp body is movably connected with sliding slot by sliding block, by the movable connection of sliding block and sliding slot, the height of movable cylinder can be adjusted, movable cylinder is raised, illumination range becomes small, light source is gathered, movable cylinder is lowered, illumination range becomes large, light source is dispersed, the degree of illumination gathering can be adjusted according to the needs of user, by adjusting telescopic rod, the height of lamp body can be raised or lowered, and illumination direction can be changed by adjusting telescopic rod, meet the needs of different directions light source of user.

[0004] However, the above technical scheme has the following disadvantages: when the position of movable cylinder of the LED down lamp is adjusted to adjust light concentration, the telescopic rods on both sides of movable cylinder need to be adjusted, and the telescopic distance of the telescopic rods on both sides also needs to be ensured to be the same, which is troublesome to operate and is not conducive to use. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art, proposes a kind of adjustable light concentration LED down lamp, can quickly adjust the position of light condensing cover so that LED down lamp is suitable for different occasions, reduce the complexity of adjustment operation, improve the convenience of LED down lamp use.

[0006] The utility model discloses a technical scheme, a kind of adjustable light concentration LED down lamp, including LED lamp main body and adjusting mechanism;LED lamp main body is provided with lamp shell, the inside sliding connection of lamp shell has light cover, light cover is set at the outside of LED lamp main body;Adjusting mechanism includes the adjusting rotating cylinder coaxially arranged at the outside of light cover, the connecting ring coaxially arranged on adjusting rotating cylinder, the limiting ring coaxially arranged on connecting ring, and four annular array distribution guiding block on light cover;Light cover has screw portion, adjusting rotating cylinder and screw portion are threadedly connected, four sliding slots for guiding block moves along the axial direction of light cover are provided on lamp shell, and connecting ring and limiting ring are rotationally arranged in the inside of lamp shell.

[0007] Preferably, the cross-sectional shape of the connecting ring and the limiting ring is T-shaped, and the inside of the lamp shell is provided with a T-shaped annular groove.

[0008] Preferably, three stabilizing assemblies are provided on the lamp shell, each stabilizing assembly comprising a sealing anti-skid strip and a plug post provided on the sealing anti-skid strip, a plurality of annularly arrayed positioning grooves are provided on the limiting ring, and the plug post is embedded in the inside of the positioning groove.

[0009] Preferably, three annularly arrayed arc-shaped through holes are provided on the lamp shell, and the sealing anti-skid strip covers the opening of the arc-shaped through hole.

[0010] Preferably, a connecting arm is provided on the lamp shell, and a mounting seat is provided on the end of the connecting arm away from the lamp shell.

[0011] Preferably, two symmetrically distributed fixing plates are provided on the mounting seat, and two mounting holes are provided on the fixing plates.

[0012] Compared with the prior art, the utility model has the following beneficial technical effects:

[0013] The adjusting mechanism can quickly adjust the position of the light cover to adjust the light concentration of the down lamp according to the requirements of different occasions, reduces the complexity of the adjusting operation, improves the convenience of using the LED down lamp, and guarantees the stability of the adjusting rotating cylinder and the light cover through the cooperation of the stabilizing assemblies, thereby guaranteeing the stability of the light concentration and avoiding dust and water vapor from entering the inside of the lamp shell, and guaranteeing the service life of the adjusting mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 is a schematic diagram of the local section of the utility model;

[0016] Figure 3 is a schematic diagram of the disassembly of part of the structure of the utility model;

[0017] Figure 4 As Figure 2 An enlarged schematic view of the structure at A in the middle;

[0018] Figure 5 A structural schematic view of the lamp shell of the utility model.

[0019] The drawing reference: 1, LED lamp main part;2, lamp shell;3, spotlight cover;4, threaded part;5, adjust the rotating drum;6, connecting ring;7, limit ring;8, sliding slot;9, guide block;10, arc-shaped through hole;11, sealing anti-skid strip;12, positioning groove;13, insert column;14, connecting arm;15, mounting seat;16, fixed plate. DETAILED DESCRIPTION

[0020] Example one

[0021] As Figures 1-5 shown, the embodiment proposes an adjustable light intensity LED down lamp, including LED lamp main part 1 and adjusting mechanism;LED lamp main part 1 is provided with lamp shell 2, the inside sliding connection of lamp shell 2 has spotlight cover 3, and spotlight cover 3 is arranged at the outside of LED lamp main part 1.

[0022] Adjusting mechanism includes coaxially arranged adjusting rotating drum 5 on the outside of spotlight cover 3, connecting ring 6 coaxially arranged on adjusting rotating drum 5, limit ring 7 coaxially arranged on connecting ring 6 and four annular array distribution guide blocks 9 on spotlight cover 3;Spotlight cover 3 has threaded part 4, adjusting rotating drum 5 and threaded part 4 are screw connected, and lamp shell 2 is provided with four sliding slots 8 for guide block 9 to move along the axial direction of spotlight cover 3, connecting ring 6 and limit ring 7 are rotationally arranged in the inside of lamp shell 2, the cross section of connecting ring 6 and limit ring 7 is T-shaped, and the inside of lamp shell 2 is provided with annular groove with T-shaped cross section.

[0023] In the embodiment, when the light intensity of down lamp needs to be adjusted, adjusting rotating drum 5 can be rotated, so that adjusting rotating drum 5 is screw threaded with the threaded part 4 of spotlight cover 3, and under the guidance of guide block 9 and sliding slot 8, spotlight cover 3 will move along the length direction of sliding slot 8, when spotlight cover 3 extends out of lamp shell 2 for a longer distance, the illumination range becomes smaller, and the light source is gathered, when spotlight cover 3 extends out of lamp shell 2 for a shorter distance, the illumination range becomes larger, and the light source is dispersed, and the setting of connecting ring 6, limit ring 7 and annular groove ensures that adjusting rotating drum 5 can be stably installed on lamp shell 2, thereby not only the position of spotlight cover 3 can be adjusted to adjust the light intensity of down lamp to adapt to the needs of different occasions, but also the complexity of adjusting operation is reduced, and the convenience of using LED down lamp is improved.

[0024] Example two

[0025] As Figures 3-5As shown, this embodiment proposes an adjustable focused LED downlight. Compared with the first embodiment, in this embodiment, the lamp housing 2 is provided with three stabilizing components. The stabilizing components include a sealing anti-slip strip 11 and a post 13 provided on the sealing anti-slip strip 11. The limiting ring 7 is provided with a plurality of positioning grooves 12 arranged in a ring array. The post 13 is embedded in the interior of the positioning groove 12. The sealing anti-slip strip 11 is attached to the lamp housing 2. The lamp housing 2 is provided with three arc-shaped through holes 10 arranged in a ring array. The sealing anti-slip strip 11 covers the opening of the arc-shaped through holes 10.

[0026] In this embodiment, after the position adjustment of the condenser 3 is completed, the insert 13 on the sealing anti-slip strip 11 is first aligned with the positioning groove 12 that is visible through the arc-shaped through hole 10 and is in a suitable position. Then, the insert 13 passes through the arc-shaped through hole 10 and is inserted into the positioning groove 12 until the sealing anti-slip strip 11 is tightly pressed onto the lamp housing 2, so as to achieve the function of limiting the axial rotation of the limiting ring 7, ensuring the stability of the adjusting cylinder 5 and the condenser 3, and thus ensuring the stability of the light concentration. At the same time, the design of the sealing anti-slip strip 11 always covering the opening of the arc-shaped through hole 10 can prevent dust and moisture from entering the interior of the lamp housing 2 and ensure the service life of the adjusting mechanism.

[0027] Example 3

[0028] like Figure 1 As shown in the figure, this embodiment proposes an adjustable focused LED downlight. Compared with the first embodiment, in this embodiment, the lamp housing 2 is provided with a connecting arm 14, and the end of the connecting arm 14 away from the lamp housing 2 is provided with a mounting base 15. The mounting base 15 is provided with two symmetrically distributed fixing plates 16, and the fixing plates 16 are provided with two mounting holes. The lamp housing 2 and the connecting arm 14 are connected by threaded fasteners. The illumination direction of the LED lamp body 1 can be adjusted by removing the threaded fasteners, and then the lamp housing 2 and the connecting arm 14 can be fastened to achieve the function of adjusting the illumination direction. The interior of the mounting base 15 is used to set electronic components and wiring, and the entire LED downlight can be fixed to the ceiling through the mounting holes on the fixing plates 16.

[0029] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. An adjustable-focus LED downlight, characterized in that, include: The LED lamp body (1) has a lamp housing (2) on it. A light-concentrating cover (3) is slidably connected inside the lamp housing (2). The light-concentrating cover (3) is located on the outside of the LED lamp body (1). The adjustment mechanism includes an adjustment cylinder (5) coaxially disposed on the outside of the condenser (3), a connecting ring (6) coaxially disposed on the adjustment cylinder (5), a limiting ring (7) coaxially disposed on the connecting ring (6), and four guide blocks (9) arranged in a ring array on the condenser (3); the condenser (3) has a threaded part (4), the adjustment cylinder (5) and the threaded part (4) are threadedly connected, and the lamp housing (2) is provided with four sliding grooves (8) for the guide blocks (9) to move along the axial direction of the condenser (3). The connecting ring (6) and the limiting ring (7) are both rotatably disposed inside the lamp housing (2).

2. The adjustable-focus LED downlight according to claim 1, characterized in that, The combined cross-sectional shape of the connecting ring (6) and the limiting ring (7) is T-shaped, and the interior of the lamp housing (2) is provided with an annular groove with a T-shaped cross-section.

3. The adjustable-focus LED downlight according to claim 1, characterized in that, The lamp housing (2) is provided with three stabilizing components, including a sealing anti-slip strip (11) and a post (13) provided on the sealing anti-slip strip (11). The limiting ring (7) is provided with multiple positioning grooves (12) arranged in a ring array. The post (13) is embedded in the interior of the positioning groove (12). The sealing anti-slip strip (11) is attached to the lamp housing (2).

4. The adjustable-focus LED downlight according to claim 3, characterized in that, The lamp housing (2) is provided with three arc-shaped through holes (10) arranged in a ring array, and the sealing anti-slip strip (11) covers the opening of the arc-shaped through holes (10).

5. The adjustable-focus LED downlight according to claim 1, characterized in that, A connecting arm (14) is provided on the lamp housing (2), and a mounting base (15) is provided at the end of the connecting arm (14) away from the lamp housing (2).

6. The adjustable-focus LED downlight according to claim 5, characterized in that, The mounting base (15) is provided with two symmetrically distributed fixing plates (16), and the fixing plates (16) are provided with two mounting holes.

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