CN216383854U

CN216383854U - Down lamp

Info

Publication number: CN216383854U
Application number: CN202122924710.1U
Authority: CN
Inventors: 黄志明; 余一平
Original assignee: Ningbo Dongxing Electric Co ltd
Current assignee: Ningbo Dongxing Electric Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-26
Anticipated expiration: 2031-11-25

Abstract

The utility model relates to a down lamp which comprises a lamp shell (1), a light source assembly (2) and a diffusion plate (3), wherein the light source assembly (2) is fixed in the lamp shell (1), the lamp shell (1) is horn-shaped, at least two circumferential grooves (11) are distributed on the inner surface of the side wall of the lamp shell (1) along the vertical direction, and the diffusion plate (3) is located below the light source assembly (2) and is clamped in one of the grooves (11). The down lamp is based on the horn-shaped structure of the lamp shell, and the inner surface of the side wall of the lamp shell is provided with at least two grooves for clamping the diffusion plate, so that the diffusion plates with various sizes can be assembled, and the same lamp shade can form the down lamp with different light emitting areas by matching the diffusion plates with different sizes.

Description

Down lamp

Technical Field

The utility model relates to the technical field of lamps, in particular 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 belongs to a directional lighting lamp, can receive light only on the opposite surface of the down lamp, has a light beam angle of light condensation, has concentrated light rays, strong light-dark contrast, more highlights an object to be illuminated, has higher lumen degree, and more sets off quiet environment atmosphere.

The size specification of down lamp has the multiple, if including multiple size specification such as 2.5 cun, 4 cun, 5 cun, 6 cun, 8 cun, to the down lamp of every size, need customize down lamp body size specially and be used for the spring clamp size of assembly, and then form the down lamp of different light-emitting areas, the corresponding down lamp of guaranteeing is installed in the installation section of thick bamboo of different sizes.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide a down lamp capable of forming different light emitting areas in view of the above prior art.

A second technical problem to be solved by the present invention is to provide a downlight which can be installed in installation cylinders of different sizes in view of the above-mentioned prior art.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: the utility model provides a down lamp, includes lamp body, light source subassembly, diffuser plate, the light source subassembly is fixed in the lamp body, its characterized in that: the lamp body is loudspeaker type, the internal surface of lamp body lateral wall is followed the upper and lower direction and is distributed and be provided with the recess of two at least circumference, the diffuser plate is located the below of light source subassembly and joint in one of them recess.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: two opposite torsion springs are arranged on the outer side of the side wall of the lamp shell and can swing along the radial direction.

In order to facilitate the swinging installation of the torsion spring, a supporting arm is fixedly arranged on the top wall of the lamp housing, two ends of the supporting arm respectively bend and extend towards the outer side of the side wall of the lamp housing, and each end of the supporting arm is rotatably connected with one torsion spring.

In order to facilitate the inclined swinging of the torsion spring so as to be better suitable for being installed in installation cylinders with different sizes, the lower ends of the two elastic arms of the torsion spring are bent in a step shape, and the upper parts of the two elastic arms of the torsion spring are outwards expanded.

Preferably, the light source assembly includes a substrate and an LED lamp disposed on a lower surface of the substrate.

Preferably, a driving power supply box is arranged at the top of the lamp housing, a driving circuit board electrically connected with the light source assembly is arranged in the driving power supply box, and the driving circuit board is electrically connected with a power supply connector penetrating out of the driving power supply box;

and a junction box is arranged above the driving power supply box.

In order to facilitate the connection between the driving power supply box and the junction box and improve the assembly speed, a plurality of elastic clamping pins extending downwards are arranged on the side wall of the junction box along the circumferential direction, and clamping grooves into which the elastic clamping pins can be clamped are formed in the side wall of the driving power supply box.

Preferably, the card slot is arranged at the upper part of the side wall of the driving power supply box.

In order to facilitate the assembly of the diffusion plate and improve the assembly efficiency, the section of the groove is arc-shaped.

Compared with the prior art, the utility model has the advantages that: the down lamp is based on the horn-shaped structure of the lamp shell, and the inner surface of the side wall of the lamp shell is provided with at least two grooves for clamping the diffusion plate, so that the diffusion plates with various sizes can be assembled, and the same lamp shade can form the down lamp with different light emitting areas by matching the diffusion plates with different sizes.

In addition, a torsion spring for realizing that down lamp installation can be along radially swinging in an installation section of thick bamboo, so make this down lamp can match and install in the installation section of thick bamboo of unidimensional not for the suitability of this down lamp is better.

Drawings

Fig. 1 is a perspective view of a downlight in an embodiment of the present invention.

Fig. 2 is an exploded perspective view of a downlight in an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a downlight in an embodiment of the utility model.

FIG. 4 is a comparative view of a downlight in accordance with an embodiment of the present invention adapted to diffuser plates of different sizes.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 4, the down lamp in the present embodiment includes a lamp housing 1, a light source assembly 2, a diffusion plate 3, a driving power supply box 6, and a junction box 7.

The lamp housing 1 is provided with a downward opening, the lamp housing 1 is made of a material with a good heat dissipation effect, and when the lamp housing 1 works, the lamp housing 1 plays a role in heat dissipation of the light source assembly 2. The light source assembly 2 is fixed in the lamp housing 1, specifically, the light source assembly 2 includes a substrate 21 and an LED lamp 22 disposed on a lower surface of the substrate 21, and the substrate 21 is fixed on an inner surface of a top wall of the lamp housing 1. The plate can be made of a material with good heat dissipation effect, such as an aluminum substrate 21.

The diffuser plate 3 adopts the environment-friendly high-light-transmittance quality plastic flat plate, the thickness of the diffuser plate 3 can be specifically selected as required, the diffuser plate 3 can prevent external impurities from entering the lamp housing 1 to pollute the light source assembly 2, and meanwhile, the diffuser plate can also play the effects of good light transmittance and light diffusion, so that the emitted light is more uniform and softer.

The lamp housing 1 in this embodiment is in a horn shape, at least two circumferential grooves 11 are distributed on the inner surface of the side wall of the lamp housing 1 in the up-down direction, and the grooves 11 are used for assembling the diffusion plates 3 with different sizes. The diameter of the lamp housing 1 in this embodiment is gradually increased from top to bottom, and the size of the diffusion plate 3 matched with the corresponding groove 11 from top to bottom is also gradually increased. According to the specific required light-emitting surface size, the diffusion plate 3 with the corresponding size is selected, and then the diffusion plate 3 is clamped in one of the size matching grooves 11. In order to reduce the installation difficulty of the diffusion plate 3 and the installation cost, the section of the groove 11 is arc-shaped, and the diffusion plate 3 can be firmly clamped in the groove 11 by being pushed forcefully. The mounting structure of the lamp housing 1 and the diffusion plate 3 also avoids the problem of light shielding.

When the down lamp is installed, the down lamp is usually installed in an installation cylinder matched with the size of the down lamp. The installation cylinder is fixed in a ceiling, and after the installation, the lower end of the down lamp is close to the ceiling. For the sake of aesthetic property, also strengthen the matching between ceiling and the lamp body 1 at the same time, the lower edge of the lamp body 1 extends radially outwards has the border portion, after the down lamp is installed in the installation tube, this border portion can be from the below of the ceiling and paste the ceiling. In order to conveniently realize the installation of down lamp in the installation section of thick bamboo, the fixed support arm 5 that is provided with on the roof of lamp body 1, the both ends of support arm 5 are buckled respectively to the relative two outsides of lamp body 1 lateral wall and are extended for the both ends of support arm 5 are located respectively outside the relative both sides of lamp body 1 lateral wall. Each end of the supporting arm 5 is rotatably connected with a torsion spring 4, two opposite torsion springs 4 are formed on the outer side of the side wall of the lamp shell 1, and each torsion spring 4 can swing along the radial direction. Each torsion spring 4 has a torsion portion in the middle like the torsion spring 4 in the related art, and elastic arms 41 are formed extending on both sides of the torsion portion. In the present embodiment, the lower ends of the two elastic arms 41 of the torsion spring 4 are bent in a step-like manner, so that the upper portions of the two elastic arms 41 of the torsion spring 4 are extended outward. The two spring arms 41 of the torsion spring 4 enable an elastic support in the mounting cylinder and thus a fixation in the mounting cylinder. Meanwhile, the down lamp can be assembled in installation cylinders of different sizes based on the stepped bending structure of the torsion spring 4 and the arrangement mode that the torsion spring 4 can swing radially. Of course, the swing amplitude of the torsion spring 4 is limited, so that the torsion spring can be assembled in a mounting cylinder with similar size, such as a mounting cylinder with 5 inches and a mounting cylinder with 6 inches.

The driving power supply box 6 is arranged at the top of the lamp shell 1, a driving circuit board 61 electrically connected with the light source component 2 is arranged in the driving power supply box 6, and a power supply connector 62 penetrating out of the driving power supply box 6 is electrically connected to the driving circuit board 61. The junction box 7 is provided above the driving power supply box 6. In order to facilitate the connection between the driving power supply box 6 and the junction box 7 and improve the assembly speed, a plurality of elastic clamping pins 71 extending downwards are arranged on the side wall of the junction box 7 along the circumferential direction, and a clamping groove 63 into which the elastic clamping pins 71 can be clamped is arranged on the side wall of the driving power supply box 6. The card slot 63 is particularly provided at an upper portion of a side wall of the driving power supply box 6 to facilitate assembly.

The down lamp is based on the horn-shaped structure of the lamp shell 1, the inner surface of the side wall of the lamp shell 1 is provided with at least two grooves 11 used for clamping the diffusion plate 3, so that the diffusion plates 3 with various sizes can be assembled, and the same lamp shade can form the down lamp with different light emitting areas by matching the diffusion plates 3 with different sizes.

In addition, a torsion spring 4 for realizing that down lamp installation can be along radially swinging in the installation section of thick bamboo, so make this down lamp can match and install in the installation section of thick bamboo of equidimension not for the suitability of this down lamp is better.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the utility model, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims

1. The utility model provides a down lamp, includes lamp body (1), light source subassembly (2), diffuser plate (3), light source subassembly (2) are fixed in lamp body (1), its characterized in that: the lamp body (1) is loudspeaker type, the internal surface of lamp body (1) lateral wall is gone up and is provided with recess (11) of two at least circumference along upper and lower direction distribution, diffuser plate (3) are located the below and the joint of light source subassembly (2) in one of them recess (11).

2. A downlight according to claim 1, wherein: two opposite torsion springs (4) are arranged on the outer side of the side wall of the lamp shell (1), and the torsion springs (4) can swing along the radial direction.

3. A downlight according to claim 2, wherein: the lamp is characterized in that a supporting arm (5) is fixedly arranged on the top wall of the lamp shell (1), two ends of the supporting arm (5) respectively extend towards the outer side of the side wall of the lamp shell (1) in a bending mode, and each end of the supporting arm (5) is rotatably connected with one torsion spring (4).

4. A downlight according to claim 2, wherein: the lower ends of the two elastic arms (41) of the torsion spring (4) are bent in a step shape, so that the upper parts of the two elastic arms (41) of the torsion spring (4) are outwards expanded.

5. A downlight according to any one of claims 1 to 4, wherein: the light source assembly (2) comprises a substrate (21) and an LED lamp (22) arranged on the lower surface of the substrate (21).

6. A downlight according to any one of claims 1 to 4, wherein: a driving power supply box (6) is arranged at the top of the lamp shell (1), a driving circuit board (61) electrically connected with the light source component (2) is arranged in the driving power supply box (6), and a power supply joint (62) penetrating out of the driving power supply box (6) is electrically connected to the driving circuit board (61);

and a junction box (7) is arranged above the driving power supply box (6).

7. A downlight according to claim 6, wherein: a plurality of elastic clamping pins (71) extending downwards are arranged on the side wall of the junction box (7) along the circumferential direction, and clamping grooves (63) capable of clamping the elastic clamping pins (71) are formed in the side wall of the driving power supply box (6).

8. A downlight according to claim 7, wherein: the clamping groove (63) is formed in the upper portion of the side wall of the driving power supply box (6).

9. A downlight according to any one of claims 1 to 4, wherein: the cross section of the groove (11) is arc-shaped.