CN204240189U - A kind of rotatable LED down - Google Patents

Abstract

The utility model discloses a rotatable LED downlight, which comprises a body (1), a rotating shaft (2), a light source assembly (3), a reflective cup (4) and a cover body (5); wherein, the body (1) ) includes a cylindrical shell (11), and a hemispherical shell (16) is arranged inside the shell (11), and the light source assembly (3) is in the shape of a hemispherical shell, and is arranged in the shell (11), Below the hemispherical shell (16); the rotating shaft (2) is in the shape of a screw, which includes a threaded lower section (21), a smooth surface middle section (22) and a nut (23) at the top, wherein the lower section (21 ) is screwed in the screw hole (31) of the body (1), the middle section (22) cooperates with the through hole (13) of the hemispherical shell (16) of the cylinder (11), and the nut (23) is in contact with the cylinder ( 11) On the outer wall around the through hole (13). The utility model has simple structure and convenient angle adjustment.

Description

A rotatable LED downlight

technical field

The utility model relates to the field of lighting equipment, in particular to an LED downlight, in particular to a rotatable LED downlight.

Background technique

In the existing lighting equipment, because LED lamps have many advantages, such as LED is a cold light source, semiconductor lighting itself does not pollute the environment, and compared with incandescent lamps and fluorescent lamps, the power saving efficiency can reach more than 90%. Under the same brightness, the power consumption is only 1/10 of that of ordinary incandescent lamps and 1/2 of that of fluorescent tubes. Healthy LED is a kind of green light source. LED lights are driven by DC, no strobe; no infrared and ultraviolet components, no radiation pollution, high color rendering and strong luminous directionality; good dimming performance, no visual errors when the color temperature changes; cold light source Low heat and safe to touch; something that incandescent and fluorescent lamps cannot achieve. It can not only provide a comfortable lighting space, but also meet the physiological health needs of people. It is a healthy light source that protects eyesight and is environmentally friendly.

Therefore, LED lights are more and more widely used. Among them, LED downlights are one of the major categories. However, most of the existing downlights cannot be rotated and can only be illuminated at a fixed angle. There are also some that can rotate, and usually use multiple nodes to realize the rotation function, which is not only complicated in structure, but also difficult in assembly, complicated in process, and time-consuming.

Utility model content

The purpose of this utility model is to provide a rotatable LED downlight, the LED structure is simple and easy to rotate, so as to solve the above-mentioned problems existing in the prior art.

The technical scheme provided by the utility model is as follows:

A rotatable LED downlight, characterized by comprising: a body (1), a rotating shaft (2), a light source assembly (3), a reflective cup (4) and a cover (5); wherein,

The body (1) includes a cylindrical shell (11), and a hemispherical shell (16) is arranged inside the shell (11), the opening of the hemispherical shell (16) faces downward, and the side of the hemispherical shell (16) is provided with smooth through hole (13);

The light source assembly (3) is in the shape of a hemispherical shell, and is arranged in the cylinder (11) below the hemispherical shell (16); the hemispherical shell (16) is provided with a screw hole (31) on its side; wherein, The height h between the center of the screw hole (31) and the bottom of the light source assembly (3) is 1/3-4/5 of the height H of the light source assembly (3), the position of the through hole (13) of the body (1) and the screw The positions of the holes (31) correspond; the reflector cup (4) is sleeved inside the light source assembly (3), and the cover body (5) is covered at the bottom end of the light source assembly (3);

The rotating shaft (2) is in the shape of a screw, which includes a threaded lower section (21), a smooth middle section (22) and a nut (23) on the top, wherein the lower section (21) is screwed to the body (1) In the screw hole (31), the middle section (22) cooperates with the through hole (13) of the hemispherical shell (16) of the cylinder (11), and the nut (23) is in contact with the through hole (13) of the hemispherical shell (16). on the surrounding walls.

In a preferred embodiment, the body (1) is also provided with a fixing piece.

In a preferred embodiment, the fixing member includes a fixing clip (15) with one end fixed on the barrel (11).

In a preferred embodiment, the number of said fixing clips (15) is three.

In a preferred embodiment, a circular ring (12) is horizontally extended outwards from the lower end of the barrel (11).

In a preferred embodiment, the height h between the center of the screw hole (31) and the bottom of the light source assembly (3) is 3/4 of the height H of the light source assembly (3).

In a preferred embodiment, the reflective cup (4) is trumpet-shaped.

In a preferred embodiment, the cover (5) is disc-shaped.

The utility model has the following advantages:

1. The body (1) includes a cylindrical body (11), and a hemispherical shell (16) is arranged inside the body (11), and a hemispherical light source assembly (3) is set inside the hemispherical shell (16). , and a rotating shaft 2 is set at a non-central position (1/3-4/5 of the height H of the light source assembly (3)) between the two, so that when the lighting angle needs to be adjusted, it is only necessary to manually toggle the cover body 5, That is to say, the light source assembly 4 can be driven to rotate around the rotation shaft 2 , and the rotation is eccentric, so as to provide illumination at different angles.

2. The rotating shaft (2) is in the shape of a screw, which includes a threaded lower section (21), a smooth middle section (22) and a nut (23) at the top, wherein the lower section (21) is screwed to the body ( 1) In the screw hole (31), the middle section (22) is matched with the through hole (13) of the hemispherical shell (16) of the cylinder (11), and the nut (23) is in contact with the through hole (13) of the cylinder (11). ) on the outer wall around. Because the lower end 21 and the light source assembly 4 are screwed and fixed, the two are firmly connected, and the through hole 13 is smooth, so it is easy to rotate.

3. The utility model has simple structure and convenient angle adjustment.

Description of drawings

Fig. 1 is a schematic diagram of the explosion structure of the LED downlight of the present invention;

Fig. 2 is a schematic perspective view of the three-dimensional structure of the light source assembly.

Fig. 3 is a schematic diagram of the three-dimensional structure of the rotating shaft.

Fig. 4 is a schematic cross-sectional structure diagram of the LED downlight of the present invention.

Detailed ways

Referring to FIG. 1 , the LED downlight of the present invention includes: a body 1 , a rotating shaft 2 , a light source assembly 3 , a reflector 4 and a cover 5 .

Wherein, the body 1 includes a cylindrical body 11 , the lower end of the body 11 is horizontally extended to form a circular ring 12 , and the upper end of the body 11 is evenly distributed with three fixing clips 15 . A hemispherical shell 16 is arranged inside the cylinder 11 , the opening of the hemispherical shell 16 faces downward, and a smooth through hole 13 is provided on the side of the hemispherical shell 16 . In other embodiments, the hemispherical shell 16 need not be exactly half of the spherical shell, and can be less than half or slightly more than half.

Referring to FIG. 2 , the light source assembly 3 is in the shape of a hemispherical shell, and a screw hole 31 is provided on its side (not at the center of the top). Wherein, the height h between the center of the screw hole 31 and the bottom of the light source assembly 3 is preferably 1/3-4/5 of the height H of the light source assembly 3 , more preferably 3/4 of the height H of the light source assembly 3 . The position of the through hole 13 corresponds to the position of the screw hole 31 of the light source assembly 3 .

The reflector 4 is trumpet-shaped, and a flange 41 is provided outwardly from the bottom thereof.

The cover body 5 is disc-shaped. A ring of flanges 51 is provided upwards at its edge.

Referring to FIG. 3 , the rotating shaft 2 is in the shape of a screw, which includes a threaded lower section 21 , a smooth middle section 22 and a nut 23 at the top. The nut 23 has a slotted screwdriver edge. In another embodiment, it may also be a Phillips screwdriver blade.

Referring to FIG. 4 , when assembling, insert the light source assembly 3 into the bottom of the hemispherical shell 16 of the body 1 , align the screw hole 31 of the light source assembly 3 with the through hole 13 of the body 1 , and then use the rotating shaft 2 to pass through. Wherein, the lower section 21 is screwed to the screw hole 31 of the light source assembly 3 , the middle section 22 fits with the through hole 13 of the barrel 11 , and the nut 23 is in contact with the outer wall around the through hole 13 of the barrel 11 .

When the lighting angle needs to be adjusted, the light source assembly 4 can be driven to rotate around the rotation axis 2 by manually turning the cover body 5 . Because the lower end 21 and the light source assembly 4 are screwed and fixed, the two are firmly connected, and the through hole 13 is smooth, so it is easy to rotate.

The above is only a specific embodiment of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the utility model by using this concept shall be an act of violating the protection scope of the present utility model .

Claims (8)

1. A rotatable LED down lamp, its characterized in that includes: the device comprises a body (1), a rotating shaft (2), a light source component (3), a reflecting cup (4) and a cover body (5); wherein,

the body (1) comprises a cylindrical barrel (11), a hemispherical shell (16) is arranged inside the barrel (11), the opening of the hemispherical shell (16) faces downwards, and a smooth through hole (13) is formed in the side surface of the hemispherical shell (16);

the light source component (3) is in a hemispherical shell shape and is arranged in the cylinder body (11) and below the hemispherical shell (16); the hemispherical shell (16) is provided with a screw hole (31) at the lateral upper position; wherein, the height H from the center of the screw hole (31) to the bottom of the light source component (3) is 1/3-4/5 of the height H of the light source component (3), and the position of the through hole (13) of the body (1) corresponds to the position of the screw hole (31); the reflecting cup (4) is sleeved inside the light source component (3), and the cover body (5) is covered at the tail end of the bottom of the light source component (3);

the rotating shaft (2) is in a screw shape and comprises a lower section (21) with threads, a middle section (22) with a smooth appearance and a screw cap (23) positioned at the top, wherein the lower section (21) is spirally fixed in a screw hole (31) of the body (1), the middle section (22) is matched with a through hole (13) of a hemispherical shell (16) of the cylinder body (11), and the screw cap (23) is abutted to the outer wall around the through hole (13) of the hemispherical shell (16).

2. A rotatable LED downlight according to claim 1 wherein: the body (1) is also provided with a fixing piece.

3. A rotatable LED downlight according to claim 2 wherein: the fixing piece comprises a fixing clamp (15) with one end fixed on the cylinder body (11).

4. A rotatable LED downlight according to claim 3 wherein: the number of the fixing clips (15) is 3.

5. A rotatable LED downlight according to claim 1 wherein: the lower end of the cylinder body (11) extends outwards horizontally and is provided with a circular ring (12).

6. A rotatable LED downlight according to claim 1 wherein: the height H from the center of the screw hole (31) to the bottom of the light source assembly (3) is 3/4 of the height H of the light source assembly (3).

7. A rotatable LED downlight according to claim 1 wherein: the reflecting cup (4) is in a horn shape.

8. A rotatable LED downlight according to claim 1 wherein: the cover body (5) is disc-shaped.