CN110630938B

CN110630938B - Cylinder lamp

Info

Publication number: CN110630938B
Application number: CN201910815426.5A
Authority: CN
Inventors: 侯守强; 陈锦福; 温晓良; 董永哲
Original assignee: Leedarson Lighting Co Ltd
Current assignee: Leedarson Lighting Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2022-01-11
Anticipated expiration: 2039-08-30
Also published as: CN110630938A

Abstract

The invention provides a down lamp, which belongs to the technical field of lighting lamps and comprises a face ring assembly, a rotating cover, a fixing part and an elastic part, wherein the face ring assembly is arranged on the face ring assembly; a first contact part and a second contact part are arranged in the surface ring assembly, a first arc surface is arranged on the inner surface of the first contact part, and a second arc surface is arranged on the inner surface of the second contact part; the rotating cover is positioned in the surface ring assembly, the outer surface of the upper part of the rotating cover is provided with a third arc surface, and the outer surface of the lower part of the rotating cover is provided with a fourth arc surface; a gap is arranged between the upper part and the lower part of the rotating cover; the fixed part is fixed at the lower part of the rotating cover, and the lower surface of the fixed part is connected with a light source component; one end of the elastic piece is connected with the inner surface of the upper part of the rotating cover, and the other end of the elastic piece is connected with the fixing part; according to the down lamp provided by the invention, when the illumination angle of the down lamp is adjusted, the elastic piece is compressed, the rotating cover is separated from the lower ring, the third arc surface slides along the first arc surface, the sliding process is smooth, the rotating cover can be easily rotated or swung for a certain angle, and the abrasion to the rotating cover is small.

Description

Cylinder lamp

Technical Field

The invention belongs to the technical field of air-conditioning lighting lamps, and particularly relates to a down lamp.

Background

The down lamp is a lighting lamp embedded in a ceiling and emitting light downwards, is small in structure and convenient to install, and is widely applied to household lighting and atmosphere building in public places such as markets, hotels and the like. Because the down lamp generally adopts embedded mounting means, the lamp body of down lamp is fixed on the ceiling, and the lamp body is installed in the inside of lamp body, through the illumination angle of rotating the lamp body adjustment down lamp, because the contact is inseparable between lamp body and the lamp body, the lamp body rotates more difficultly to can cause great wearing and tearing to the contact surface of lamp body and lamp body.

Disclosure of Invention

The invention aims to provide a down lamp, which aims to solve the technical problems that in the prior art, when the illumination angle of the down lamp is adjusted, the rotation of a lamp body is difficult, and the lamp body and the lamp shell are easily abraded in the adjusting process.

In order to achieve the purpose, the invention adopts the technical scheme that: a downlight, comprising:

the surface ring assembly is internally provided with a first contact part and a second contact part positioned below the first contact part, the inner surface of the first contact part is provided with a first arc surface, and the inner surface of the second contact part is provided with a second arc surface;

the rotating cover is positioned in the face ring assembly, the outer surface of the upper part of the rotating cover is provided with a third arc surface, and the outer surface of the lower part of the rotating cover is provided with a fourth arc surface; a gap is reserved between the upper part and the lower part of the rotating cover; a gap is reserved between the part of the rotating cover, which is positioned inside the face ring assembly, and the face ring assembly;

the fixing part is fixed at the lower part of the rotating cover, and the lower surface of the fixing part is connected with a light source component;

one end of the elastic piece is connected with the inner surface of the upper part of the rotating cover, and the other end of the elastic piece is connected with the fixed part;

the elastic piece is in a compressed state compressed by pressing the bottom surface of the rotating cover, and is also in a reset state reset after the pressing on the bottom surface of the rotating cover is cancelled; when the elastic piece is in the compressed state, the fourth arc surface is separated from the second arc surface, the third arc surface is abutted against the first arc surface, and the rotating cover can rotate and swing in the surface ring component; when the elastic piece is in the reset state, the fourth arc surface is abutted to the second arc surface.

As another embodiment of the present application, the face ring assembly includes:

the lower ring is internally provided with the second contact part;

the upper ring is detachably connected with the lower ring, and the first contact part is arranged inside the upper ring.

As another embodiment of the present application, the upper end of the lower ring is butted against the lower end of the upper ring;

the diameter of the upper end opening of the lower ring is larger than that of the lower end opening of the lower ring;

the diameter of the upper end opening of the upper ring is smaller than that of the lower end opening of the upper ring; the first contact portion is located at an upper end opening of the upper ring.

As another embodiment of the present application, the first contact portion includes a friction bracket, and an inner surface of the friction bracket is a first arc surface abutting against the third arc surface.

As another embodiment of the present application, the rotating mask includes:

the outer surface of the lower cover body is provided with the fourth arc surface;

the upper cover body is detachably connected with the lower cover body, and the outer surface of the upper cover body is provided with the third arc surface;

the fixing part is fixed on the lower cover body.

In another embodiment of the present application, the lower cover body has a truncated cone-shaped structure, the lower cover body penetrates in the vertical direction, and a diameter of an upper end opening of the lower cover body is larger than a diameter of a lower end opening of the lower cover body.

As another embodiment of the present application, the fixing portion includes a fixing platform fixedly disposed on the top surface of the lower cover; the bottom surface of the fixed platform and the inner surface of the lower cover body enclose a heat dissipation cavity, and the light source assembly is located in the heat dissipation cavity.

As another embodiment herein, the light source assembly comprises:

the light source is fixed on the bottom surface of the fixed platform;

the top surface of the light reflecting cup is abutted against the bottom surface of the fixed platform; the light source is positioned inside the light reflecting cup;

and the light transmitting cover is clamped in the lower cover body and is abutted against the bottom surface of the reflecting cup.

As another embodiment of the present application, the downlight further includes a driving assembly, and the driving assembly is connected with the light source assembly through a wire; and the rotating cover is provided with a wire passing hole for the lead to pass through.

As another embodiment of this application, the top of rotatory cover is equipped with the helmet, the inside of helmet is equipped with the arc passageway, the inner of arc passageway with cross the line hole intercommunication, the outer end through set up in the through-hole and the external intercommunication of the lateral wall of helmet.

The down lamp provided by the invention has the beneficial effects that: according to the down lamp, the rotating cover is positioned in the surface ring assembly, a gap is reserved between the upper part and the lower part of the rotating cover, the lower part of the rotating cover is provided with the fixing part, one end of the elastic piece is connected with the inner surface of the upper part of the rotating cover, and the other end of the elastic piece is connected with the fixing part. The elastic piece is in a compressed state under pressure when the rotating cover is pressed, the gap between the lower part and the upper part of the rotating cover is reduced, the fourth arc surface on the outer surface of the lower part of the rotating cover is separated from the second arc surface on the inner surface of the second contact part of the surface ring component, the third arc surface on the outer surface of the upper part of the rotating cover is abutted against the first arc surface on the inner surface of the first contact part of the surface ring component, and the rotating cover and the surface ring component have a gap, so the rotating cover can rotate and swing in the surface ring component, and in the rotating and swinging processes of the rotating cover, the third arc surface slides along the first arc surface, the sliding is smooth, the resistance except the friction force everywhere can not be received, the rotating and swinging processes of the rotating cover are smooth, the illumination angle of the down lamp is adjusted through the rotating and swinging of the rotating cover, and in the rotating and swinging processes of the rotating cover, the second arc surface and the fourth arc surface are separated, the wear of the rotating shroud and the face ring assembly is less. After the illumination angle is adjusted to a proper position, the pressing of the rotating cover is cancelled, the elastic piece resets, the second arc surface is abutted against the fourth arc surface, and the position of the rotating cover in the face ring assembly is kept fixed.

Compared with the prior art, the down lamp provided by the invention has the advantages that in the process of adjusting the illumination angle, the ring component on the opposite surface of the rotating cover slides smoothly, and the abrasion between the rotating cover and the ring component is smaller because the second arc surface is separated from the fourth arc surface.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a lamp body according to an embodiment of the invention;

fig. 2 is a middle longitudinal sectional view of a lamp body provided in an embodiment of the present invention;

fig. 3 is an enlarged view at B in fig. 2;

fig. 4 is an exploded view of a lamp body according to an embodiment of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a first schematic structural diagram of a lower cover according to an embodiment of the present invention;

fig. 7 is a second schematic structural diagram of the lower cover according to the embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a driving assembly according to an embodiment of the present invention;

wherein, in the figures, the respective reference numerals:

1. a face ring assembly; 11. an upper ring; 110. a friction support; 111. a first contact portion; 112. a first arc surface; 113. an upper chuck; 12. a lower ring; 121. a second contact portion; 122. a second arc surface; 2. a rotating cover; 21. an upper cover body; 211. a third arc surface; 212. an upper clamping groove; 213. a wire passing hole; 22. a lower cover body; 221. a fourth arc surface; 222. a heat dissipation cavity; 3. a fixed part; 31. a fixing hole; 32. a lower clamping groove; 4. a light source assembly; 41. a light source; 42. a light reflecting cup; 43. a light-transmitting cover; 431. a lower chuck; 44. a wire pressing plate; 5. an elastic member; 61. an elastic sealing ring; 62. a gasket; 7. a drive assembly; 71. mounting a plate; 81. a first conductive line; 811. a slot; 82. a second conductive line; 821. a plug; 9. and (4) a spring buckle.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The present invention provides a downlight will now be described.

Referring to fig. 1 to 5, the down lamp includes a surface ring assembly 1, a rotating cover 2, a fixing portion 3 and an elastic member 5, wherein a first contact portion 111 and a second contact portion 121 are disposed inside the surface ring assembly 1, the second contact portion 121 is disposed below the first contact portion 111, a first arc surface 112 is disposed on an inner surface of the first contact portion 111, and a second arc surface 122 is disposed on an inner surface of the second contact portion 121.

The rotating cover 2 is arranged inside the face ring component 1 and is divided into an upper portion and a lower portion, a third arc surface 211 is arranged on the outer surface of the upper portion, and a fourth arc surface 221 is arranged on the outer surface of the lower portion. The lower part of the rotating cover 2 is provided with a fixing part 3, the fixing part 3 is fixedly connected with the lower part of the rotating cover 2, a light source 41 assembly 4 is connected to the lower surface of the fixing part 3, the light source 41 assembly 4 emits light after being powered on, and light rays are emitted downwards from the bottom of the rotating cover 2.

The elastic member 5 is disposed between the upper portion and the lower portion of the rotating cover 2, one end of the elastic member 5 is connected to the inner surface of the upper portion of the rotating cover 2, the other end is connected to the fixing portion 3, the upper portion and the lower portion of the rotating cover 2 are connected by the elastic member 5, and there is a gap between the upper portion and the lower portion, and there is also a gap between the inside of the face ring assembly 1 and the rotating cover 2.

The elastic piece 5 has a compression state and a reset state, when in the reset state, two ends of the elastic piece 5 respectively press the upper part and the lower part of the rotating cover 2 on the inner surface of the surface ring component 1, wherein the third arc surface 211 is abutted with the first arc surface 112, the fourth arc surface 221 is abutted with the second arc surface 122, and a gap is formed between the upper part and the lower part of the rotating cover 2; the bottom surface of the rotary cover 2 is pressed, the elastic piece 5 is in a compression state, and because the rotary cover 2 is positioned between the part inside the face ring component 1 and the face ring component 1, a gap is formed between the upper part and the lower part of the rotary cover 2, the fourth arc surface 221 is separated from the second arc surface 122, when the illumination angle is adjusted by swinging or rotating the rotary cover 2, the resistance is only the friction force between the third arc surface 211 and the first arc surface 112, the friction resistance is small, and the illumination angle is adjusted smoothly. After illumination angle adjustment is accomplished, stop pressing to the bottom surface of rotating housing 2, elastic component 5 resumes the reset state, and third arc surface 211 and first arc surface 112 butt, fourth arc surface 221 and second arc surface 122 butt, rotating housing 2 are inside to keep fixed in face ring unit spare 1.

According to the down lamp, the rotating cover 2 is positioned in the face ring assembly 1, a gap is reserved between the upper part and the lower part of the rotating cover 2, the lower part of the rotating cover 2 is provided with the fixing part 3, one end of the elastic piece 5 is connected with the inner surface of the upper part of the rotating cover 2, and the other end of the elastic piece is connected with the fixing part 3. The rotating cover 2 is pressed, the elastic piece 5 is in a compressed state under pressure, the gap between the lower part and the upper part of the rotating cover 2 is reduced, the fourth arc surface 221 of the outer surface of the lower part of the rotating cover 2 is separated from the second arc surface 122 of the inner surface of the second contact part 121 of the surface ring component 1, the third arc surface 211 of the outer surface of the upper part of the rotating cover 2 is abutted against the first arc surface 112 of the inner surface of the first contact part 111 of the surface ring component 1, and the rotating cover 2 and the surface ring component 1 have a gap, so the rotating cover 2 can rotate and swing in the surface ring component 1, in the rotating and swinging processes of the rotating cover 2, the third arc surface 211 slides along the first arc surface 112, the sliding is smooth, the resistance except the friction force is not received, the rotating and swinging processes of the rotating cover 2 are smooth, the illumination angle of the down lamp is adjusted through the rotation and swinging of the rotating cover 2, and in the rotating and swinging processes of the rotating cover 2, the second arc surface 122 and the fourth arc surface 221 are separated, so that the wear of the rotating cover 2 and the surface ring assembly 1 is small. After the illumination angle is adjusted to a proper position, the rotating cover 2 is not pressed, the elastic piece 5 is reset, the second arc surface 122 is abutted to the fourth arc surface 221, and the position of the rotating cover 2 in the face ring assembly 1 is kept fixed.

Compared with the prior art, in the process of adjusting the illumination angle, the surface ring component 1 opposite to the rotating cover 2 slides smoothly, and the rotating cover 2 and the surface ring component 1 are less worn because the second arc surface 122 is separated from the fourth arc surface 221.

As a specific embodiment of the down lamp provided by the present invention, please refer to fig. 1 to 3 together, the surface ring assembly 1 includes an upper surface ring 11 and a lower surface ring 12, the lower surface ring 12 is provided with a second contact portion 121, the upper surface ring 11 is provided with a first contact portion 111, the upper surface ring 11 and the lower surface ring 12 are detachably connected, and the rotating cover 2 can be placed inside the upper surface ring 11 and the lower surface ring 12 only after the upper surface ring 11 and the lower surface ring 12 are separated.

Preferably, referring to fig. 1 to 5, the diameter of the upper end opening of the lower ring 12 is larger than that of the lower end opening, the diameter of the upper end opening of the upper ring 11 is smaller than that of the lower end opening, the diameter of the lower end opening of the upper ring 11 is the same as that of the upper end opening of the lower ring 12, and the lower end opening and the upper end opening of the lower ring 12 can be butted and then buckled to form the closed shell structure of the face ring assembly 1. The lower extreme of the upper ring 11 sets up a plurality of first screw holes along the interval outward, and the upper end of lower ring 12 sets up a plurality of second screw holes along the interval outward to a plurality of second screw holes and a plurality of first screw hole one-to-ones connect upper ring 11 and lower ring 12, just to the upper end of lower ring 12 with the lower extreme of upper ring 11, just to first screw hole and second screw hole one-to-one, then with first screw hole of screwed connection and second screw hole.

Referring to fig. 2 and 4, a base plate is disposed outside the first contact portion 111 of the lower ring 12, the base plate is a boss disposed at the lower edge of the first contact portion 111, when the lamp body is installed, the upper ring 11, the rotating cover 2, and the first contact portion 111 of the lower ring 12 are all embedded into an opening of a ceiling, the upper surface of the base plate is attached to the front surface of the ceiling, in order to ensure that the base plate is attached to the ceiling tightly, an annular gasket 62 is disposed on the upper surface of the base plate, the gasket 62 is made of foam material and can be compressed, and the base plate and the ceiling press the gasket 62 tightly to play a role in sealing and prevent dust or moisture from entering the interior of the lamp body.

The substrate can be set into various shapes to play a certain decorative role.

As a specific embodiment of the down lamp provided by the present invention, please refer to fig. 2 and fig. 4 together, the first contact portion 111 disposed inside the upper ring 11 includes a friction bracket 110, three upper chuck heads 113 are circumferentially disposed on the top of the friction bracket 110, three bayonets are circumferentially disposed on the top of the upper ring 11, the three upper chuck heads 113 are respectively clamped into the three bayonets, and the friction bracket 110 is clamped on the top of the upper ring 11. First arc surface 112 of the internal surface of friction support 110 supports with the third arc surface 211 butt of rotatory cover 2 upper portion surface, when adjusting the illumination angle through the mode of swing or rotation rotatory cover 2, first arc surface 112 and third arc surface 211 rub each other, after friction support 110 rubs for a long time and receives wearing and tearing, can pull down friction support from last face ring 11, the friction support 110 that changes is new, compare in the ring 11 that changes new and even change new down lamp, the cost is saved.

Referring to fig. 2 and 4 together, as a specific embodiment of the downlight provided by the present invention, the rotating cover 2 includes an upper cover 21 and a lower cover 22, the outer surface of the upper cover 21 is provided with a third arc surface 211, the outer surface of the lower cover 22 is provided with a fourth arc surface 221, and the fixing portion 3 is fixed on the lower cover 22. The upper cover 21 and the lower cover 22 are detachably connected.

Specifically, the lower cover 22 has a truncated cone-shaped structure, the lower cover 22 penetrates in the vertical direction, the diameter of the upper end opening of the lower cover 22 is larger than that of the lower end opening, and an annular groove is formed between the fourth arc surface 221 and the upper end opening of the lower cover 22. The upper cover body 21 is a hemispherical shell structure with a downward opening, the outer surface of the spherical shell of the upper cover body 21 is a third arc surface 211, the top of the upper cover body 21 protrudes out of the face ring component 1, the top opening of the face ring component 1 is sleeved outside the upper cover body 21, the lower edge of the upper cover body 21 is buckled in the annular groove of the lower cover body 22, and a certain gap is ensured to be reserved between the upper cover body 21 and the lower cover body 22.

An elastic sealing ring 61 is arranged in an annular groove of the lower cover body 22, the elastic sealing ring 61 is made of rubber, the thickness of the elastic sealing ring 61 is set to be 10mm, and the lower edge of the upper cover body 21 is pressed on the upper surface of the elastic sealing ring 61, so that the inside of the rotating cover 2 is separated from the outside, and a certain waterproof and moistureproof effect is achieved. When the lower cover 22 is pressed, the lower edge of the upper cover 21 is embedded into the elastic sealing ring 61, so that the lower cover 22 can be lifted by a certain height to separate the second arc surface 122 from the fourth arc surface 221.

Preferably, referring to fig. 2, the fixing portion 3 disposed inside the lower housing 22 includes a fixing platform fixedly disposed on the top surface of the lower housing 22, the fixing platform and the inner surface of the lower housing 22 define a heat dissipation cavity 222, and the light source 41 assembly 4 is located in the heat dissipation cavity 222. The upper surface of the fixed platform is provided with a lower clamping groove 32 for fixing a spring, in the embodiment, the elastic part 5 is a spiral spring, the lower clamping groove 32 is an annular groove, the inner wall of the annular groove is tightly contacted with the spiral spring, and the spiral spring is clamped in the lower clamping groove 32; an upper clamping groove 212 is formed in the top of the inner wall of the upper cover body 21, the upper clamping groove 212 is similar to the lower clamping groove 32 in structure and is also annular, and the other end of the spiral spring is clamped into the upper clamping groove 212. Two ends of the spiral spring are respectively clamped with the fixed platform and the upper cover body 21, and when the lower cover body 22 is pressed upwards, the spiral spring is kept stable and cannot slide.

One end of the spiral spring is clamped with the lower clamping groove 32 to keep the spiral spring in a stable state, so that the upper clamping groove 212 can be a cylinder, the other end of the spiral spring is arranged in the upper clamping groove 212, and the cylindrical upper clamping groove 212 can limit the spiral spring to shake left and right.

Referring to fig. 2 and 4 together, as a specific embodiment of the downlight provided by the present invention, the light source 41 assembly 4 includes a light source 41, a reflective cup 42 and a light-transmitting cover 43.

Light source 41 chooses the LED luminescent plate for use, and a plurality of emitting diode is inlayed at the interval on a circuit board to a plurality of emitting diode parallel connection is equipped with fixed orifices 31 on the fixed platform on the power, and the LED luminescent plate is equipped with the trompil, and fixed platform's fixed orifices 31 is just right with the trompil of LED luminescent plate, then passes trompil and fixed orifices 31 with the screw, fixes the lower surface at fixed platform with the LED luminescent plate.

The reflecting cup 42 is of a frustum-shaped structure, the small-caliber end of the reflecting cup 42 is abutted to the lower surface of the fixed platform, the light source 41 is arranged inside the reflecting cup 42, the light-transmitting cover 43 is arranged at the lower end opening of the lower cover body 22 of the rotating cover 2, the large-caliber end of the reflecting cup 42 is abutted to the upper surface of the light-transmitting cover 43, and the light-transmitting cover 43 and the fixed platform fix the reflecting cup 42 in the lower cover body 22. The light emitted from the light source 41 is reflected by the reflector cup 42 to form a cone-shaped light beam, and then is emitted from the light-transmitting cover 43.

Three clamping grooves are circumferentially formed in the edge of the lower end opening of the lower cover body 22, three lower clamping heads 431 are circumferentially formed in the edge of the light-transmitting cover 43, and the lower cover body 22 corresponds to the three lower clamping heads 431 and corresponds to the three clamping grooves respectively. When installation reflection of light cup 42 and printing opacity cover 43, detain the upper surface at printing opacity cover 43 with the heavy-calibre end of reflection of light cup 42 earlier, then handheld printing opacity cover 43 is just to the lower extreme opening of the lower cover body 22, send reflection of light cup 42 into the inside of the lower cover body 22, printing opacity cover 43 detains the lower extreme opening part at the lower cover body 22, reflection of light cup 42's small-bore pot head is in the outside of light source 41, rotate printing opacity cover 43, with three lower dop 431 and three draw-in groove one-to-one, then press the border of printing opacity cover 43, go into corresponding draw-in groove respectively with three lower dop 431, printing opacity cover 43 is fixed at the lower extreme opening part of the lower cover body 22.

Different application scenes need to provide different colors of lights, and the change of the colors of the lights is generally realized by setting the light emitting color of the light source 41 and replacing the light-transmitting cover 43 with different colors. The leds in the light source 41 can be set to different reflective colors, and the leds of different colors can be switched by controlling the power on and off of the leds. When the light color is changed by replacing the light-transmitting cover 43 with different colors, the edge of the light-transmitting cover 43 is pried by fingers or sharp tools, the light-transmitting cover 43 is taken down from the lower end opening of the lower cover body 22, and the newly replaced light-transmitting cover 43 is buckled at the lower end opening of the lower cover body 22 again.

The light emitted by the light source 41 is reflected by the reflective cup 42 to form a cone-shaped light beam, the light-emitting angles of the cone-shaped light beam are different for the reflective cups 42 with different tapers, and the light-emitting angle can be changed by replacing the reflective cups 42 with different tapers, so that the illumination effect can be adjusted. When the reflective cup 42 is replaced, the transparent cover 43 needs to be removed, and after the reflective cup 42 is replaced, the transparent cover 43 is fastened at the lower opening of the lower cover 22 again.

The light source 41 can emit light directly from the transparent cover 43 without using the reflective cup 42, so that the light emitting angle of the light is larger and the coverage area is larger.

Preferably, referring to fig. 2 and 7, a circle of groove matched with the edge of the light-transmitting cover 43 is arranged at the opening of the lower cover 22, and the light-transmitting cover 43 is just embedded into the groove after being clamped with the opening of the lower cover 22, so that the sealing performance between the light-transmitting cover 43 and the lower cover 22 is ensured, and a certain waterproof and moistureproof effect can be achieved.

As a specific embodiment of the downlight provided by the present invention, please refer to fig. 1 and 8, the downlight further includes a driving assembly 7, the driving assembly 7 is connected with the light source 41 through a wire, and the top of the rotating cover 2 is provided with a wire passing hole 213 for the wire to pass through. The light source 41 is arranged on the lower surface of the fixed platform, a binding post of the light source 41 is reserved on the fixed platform, and the end part of the lead enters the inside of the rotating cover 2 from the wire through hole 213 and then is connected with the binding post; or the fixed platform is provided with an outlet of the light source 41, a connecting wire of the light source 41 penetrates into the rotating cover 2 from the outlet upwards, and the end part of the conducting wire enters the rotating cover 2 from the wire through hole 213 and then is connected with the connecting wire of the light source 41.

Preferably, the wire for connecting the driving assembly 7 and the light source 41 includes a first wire 81 and a second wire 82, an inner end of the first wire 81 passes through the wire passing hole 213 and is connected with the light source 41, and an outer end of the first wire 81 is provided with an insertion groove 811; one end of the second wire 82 is connected to the driving module 7, and the other end is provided with a plug 821 matched with the slot 811, so that the slot 811 is butted with the plug 821 to complete the connection between the driving module 7 and the light source 41.

Drive assembly 7 includes LED driver chip and wraps up at the outside shell of LED driver chip, and the shell size is established to 165mm 80.9mm 30.8mm, and the size is little, and occupation space is little, also can install in narrow and small space, and one side of shell is equipped with mounting panel 71 for install the shell at wall body or ceiling.

The switch of the LED driving chip may be an entity switch, and the light source 41 is controlled by the entity switch; a signal receiver may also be used to control the light source 41 by transmitting a signal via a remote control.

As a specific embodiment of the tube light provided by the present invention, please refer to fig. 4, a wire pressing plate 44 is disposed on the upper surface of the fixing platform, a circular through hole is disposed on the wire pressing plate 44, a threaded hole having the same diameter as the circular through hole is disposed on the upper surface of the fixing platform, after the wire enters the rotating cover 2 from the wire passing hole 213, the wire pressing plate 44 presses the wire, a screw passes through the circular through hole of the wire pressing plate 44 and is screwed into the threaded hole, so as to fix the wire pressing plate 44 on the fixing platform, and the wire pressing plate 44 presses the wire, so as to prevent the wire from being disconnected from the light source 41 due to pulling of external force.

As a specific embodiment of the downlight provided by the invention, a protective cap is arranged at the top of the rotary cover 2, an arc-shaped channel is arranged inside the protective cap, the inner end of the arc-shaped channel is communicated with the wire passing hole 213, the outer end of the arc-shaped channel is communicated with the outside through a through hole arranged on the side wall of the protective cap, and a wire is led out of the rotary cover 2 from the arc-shaped channel. The wire is bent into an arc shape in the arc-shaped channel, is led out from the side wall of the protective cap, then horizontally extends and is connected with the driving assembly 7, and the wire is prevented from being broken due to a large bending angle after being led out from the top of the rotating cover 2.

Referring to fig. 1 and 4, two spring buckles 9 are symmetrically arranged on the outer side of the upper ring 11, when a lamp body is installed, the lamp body is embedded into an opening of a ceiling, then the two spring buckles 9 are unfolded, the spring buckles 9 are erected on the back of the ceiling, and the lamp body is hung in the opening of the ceiling.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Down lamp, its characterized in that includes:

2. A downlight according to claim 1 wherein the face ring assembly comprises:

the lower ring is internally provided with the second contact part;

3. A downlight according to claim 2, wherein: the upper end of the lower ring is butted with the lower end of the upper ring;

4. A downlight according to claim 1, wherein: the first contact part comprises a friction support, and the inner surface of the friction support is a first arc surface abutted with the third arc surface.

5. A downlight according to any one of claims 1 to 4, wherein the rotating shroud comprises:

the fixing part is fixed on the lower cover body.

6. A downlight according to claim 5, wherein: the lower cover body is of a truncated cone-shaped structure and is penetrated in the up-down direction, and the diameter of an opening at the upper end of the lower cover body is larger than that of an opening at the lower end of the lower cover body;

the upper cover body is of a hemispherical shell structure with a downward opening, and the opening end of the upper cover body is butted with the opening at the upper end of the lower cover body; the top of the upper cover body protrudes upwards from the face ring component.

7. A downlight according to claim 5, wherein: the fixing part comprises a fixing platform fixedly arranged on the top surface of the lower cover body; the bottom surface of the fixed platform and the inner surface of the lower cover body enclose a heat dissipation cavity, and the light source assembly is located in the heat dissipation cavity.

8. The downlight of claim 7, wherein the light source assembly comprises:

the light source is fixed on the bottom surface of the fixed platform;

9. A downlight according to claim 1, wherein: the down lamp also comprises a driving assembly, and the driving assembly is connected with the light source assembly through a conducting wire; and the rotating cover is provided with a wire passing hole for the lead to pass through.

10. A downlight according to claim 9, wherein: the top of the rotary cover is provided with a protective cap, an arc-shaped channel is arranged inside the protective cap, the inner end of the arc-shaped channel is communicated with the wire passing hole, and the outer end of the arc-shaped channel is communicated with the outside through a through hole formed in the side wall of the protective cap.