CN204227237U - LED ceiling light - Google Patents

Abstract

The utility model relates to an illumination lamps and lanterns provide a LED ceiling lamp. Comprises a lampshade, an integrated light source, a radiating fin, a lamp holder and two torsional springs; a light source hole is formed in the middle of the lampshade, two screw posts A and two screw posts B are arranged around the light source hole, a supporting rib plate is arranged on the inner side faces of the two screw posts A and the two screw posts B respectively, the four supporting rib plates are located on the same plane, a positioning boss is arranged at the end part of each of the four rib plates to embed and fix the integrated light source, and a positioning column is arranged on the side face of each screw post A; the heat radiating fin is provided with a positioning notch which is correspondingly matched with the screw column A and the positioning column, and two ends of the heat radiating fin are respectively provided with a torsion spring clamping groove for clamping and fixing the torsion spring; the lamp holder lower part is provided with a through heat dissipation groove, the lamp holder upper part is provided with a circuit board accommodating cavity, and the bottom of the circuit board accommodating cavity is provided with a through hole C and a positioning groove which are respectively matched with a screw column A and a positioning column on the lampshade correspondingly. The above technical scheme of the utility model, simplified the structure, improved production and maintenance efficiency.

Description

LED ceiling light

technical field

The utility model relates to a lighting fixture, in particular to a ceiling lamp.

Background technique

With the birth of light emitting diode (Light Emitting Diode, referred to as: LED) and the continuous progress of production technology, the luminous efficiency of LED greatly exceeds that of incandescent lamps, and even reaches the luminous efficiency of fluorescent lamps. Compared with traditional light sources, LED light sources are basically non-toxic, non-electromagnetic pollution, and have many advantages such as small size, low energy consumption, high luminous efficiency, relatively low heat generation, long service life, and low damage rate. It has become an inevitable trend for LED lamps to replace traditional lighting fixtures. The design of LED lamp holders will inevitably affect the use, production and maintenance of the entire LED lamp. Once maintenance is required, the entire lamp housing must be opened, which is a troublesome and time-consuming process.

Contents of the invention

The purpose of the utility model is to simplify product structure, improve production and maintenance efficiency, and provide an LED ceiling lamp.

The technical solution adopted by the utility model is: set a lampshade, an integrated light source, a heat sink, a lamp holder and two torsion springs; A light-transmitting sheet is embedded in the center of the plate, and a light source hole is set in the middle of the lampshade. There are two screw posts A and two screw posts B around the light source hole, and a support rib is provided on the inner sides of the two screw posts A and the two screw posts B. The top surfaces of the four supporting ribs are on the same plane, and a positioning boss is provided at the end of the four ribs to embed the integrated light source, and a positioning column is provided on the side of the screw column A; the middle of the heat sink is provided There are two through holes A corresponding to the screw posts B on the lampshade, and two positioning notches corresponding to the screw posts A and the positioning posts on the lampshade. A torsion spring slot is provided at both ends of the heat sink to fasten the The torsion spring is described; the lower part of the lamp holder is provided with a through-hole heat sink, the upper part of the lamp holder is provided with a circuit board accommodating chamber, and the bottom of the circuit board accommodating chamber is provided with two through holes B respectively connected with the through holes A on the heat sink. Corresponding cooperation, two through holes C are provided to correspond to the screw posts A on the lampshade respectively, and the side of the through hole C is provided with a positioning groove corresponding to the positioning post on the side of the screw post A; the bottom of the circuit board accommodating cavity There are also heat dissipation holes connected with the heat dissipation groove; two screw columns C are arranged on the bottom edge of the circuit board accommodating cavity, and a crimping tooth is arranged between the two screw columns C; at least There are two button holes, and a top cover is set on the top of the circuit board accommodating cavity. Two through holes D are provided at the end to match with the screw posts C respectively, and two sides are provided with the circuit board accommodating cavity. The buttonholes on the top edge correspond to the mating snaps. The assembly relationship of each part is: the integrated light source is placed at the light source hole in the middle of the lampshade, and is embedded between the positioning bosses at the ends of the four ribs, and the positioning notch on the heat sink is fixed on the upper end of the screw column A. Spread thermal grease between the chip and the integrated light source to realize the heat dissipation function. The heat dissipation groove at the lower part of the lamp holder is embedded above the heat sink, and the positioning groove on the side of the through hole C is penetrated on the positioning column on the side of the screw column A to realize product assembly. Pre-positioning, screw the lamp holder and the lampshade through the through hole B and the through hole C, place the driving circuit board of the integrated light source in the circuit board accommodating cavity, buckle the buckle on the side of the top cover into the buckle hole, pass through it The hole D is screwed with the screw post C on the lamp holder, and the power cord is pressed on the crimping teeth.

The utility model simplifies the product structure and improves the production and maintenance efficiency through the above technical scheme.

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing and specific embodiment:

   Figure 1 is a schematic diagram of the lampshade of the present invention (wherein Figure 1a is a schematic diagram of the front of the lampshade, and Figure 1b is a schematic diagram of the lampshade looking up);

Fig. 2 is a schematic diagram of the lamp holder of the present invention (wherein Fig. 2a is a schematic diagram of the lamp holder, and Fig. 2b is a schematic diagram of the top cover of the lamp holder);

Fig. 3 is a three-dimensional schematic diagram of the utility model in a disassembled state.

The labels in the figure show:

1 lampshade, 10 lamp panel, 101 translucent sheet, 11 light source hole, 12 screw column A, 121 positioning column, 13 screw column B, 14 supporting rib plate, 140 positioning boss;

2 integrated light source, 20 drive circuit board, 201 power cord;

3 heat sink, 31 through hole A, 32 positioning gap, 33 torsion spring slot;

4 Lampholders, 41 Heat Sink, 42 Circuit Board Accommodating Cavity, 421 Through Hole B, 422 Through Hole C, 4221 Positioning Slot, 423 Screw Column C, 424 Crimping Teeth, 425 Button Hole, 426 Heat Dissipation Hole, 43 Top Cover , 431 through hole D, 432 buckle;

5 torsion springs.

Detailed ways

The utility model can be implemented in the following ways:

As shown in Figure 1: the lampshade 1 of the utility model is set in a trumpet shape, and its open end is provided with a ring lamp panel 10, a light source hole 11 is arranged in the middle of the lampshade 1, and two screw columns A12 and A12 are arranged around the light source hole 11. Two screw columns B13, one supporting rib 14 is arranged on the inner side of the two screw columns A12 and the two screw columns B13, the top surfaces of the four supporting ribs 14 are on the same plane, and each end of the four ribs 14 is provided with a positioning The boss 140 is provided with a positioning post 121 on the side of the screw post A12.

As shown in Figure 2: the lower part of the lamp holder 4 of the utility model is provided with a through-through heat dissipation groove 41, the upper part of the lamp holder 4 is provided with a circuit board accommodating cavity 42, and the bottom of the circuit board accommodating cavity 42 is provided with two through holes B421 and two through holes C422, the side of the through hole C422 is provided with a positioning groove 4221; the bottom of the circuit board accommodating chamber 42 is also provided with a heat dissipation hole 426 connected with the heat dissipation groove 41; the bottom edge of the circuit board accommodating chamber 42 is provided with two screws Column C423, a crimping tooth 424 is provided between the two screw columns C423; at least two buttonholes 425 are provided on the top edge of the circuit board accommodating cavity 42, and a top cover 43 is provided to cover the top of the circuit board accommodating cavity 42 The end is provided with two through holes D431 corresponding to the screw columns C423 and the two sides are provided with buckles 432 corresponding to the button holes 425 on the top edge of the circuit board accommodating cavity 42 .

As shown in Figure 3: the utility model is composed of a lampshade 1, an integrated light source 2, a heat sink 3, a lamp holder 4 and two torsion springs 5; The light-transmitting sheet 101; the middle part of the heat sink 3 is provided with two through holes A31 and two positioning notches 32, the two through holes A31 correspond to the screw posts B13 on the lampshade 1, and the positioning notches 32 correspond to the screws on the lampshade 1 The column A12 and the positioning column 121 are correspondingly matched, and a torsion spring clamping groove 33 is respectively provided at both ends of the heat sink 3 to fasten the torsion spring 5; the bottom of the circuit board accommodating cavity 42 is provided with two through holes B421 respectively connected with the heat dissipation The through hole A31 on the sheet 3 is correspondingly matched, and there are two through holes C422 respectively corresponding to the screw post A12 on the lampshade 1, and the side of the through hole C422 is provided with a positioning groove 4221 corresponding to the positioning post 121 on the side of the screw post A12 Cooperate. The assembly relationship of each part is: the integrated light source 2 is placed at the light source hole 11 in the middle of the lampshade 1, and is embedded between the positioning bosses 140 at the ends of the four ribs 14, and the positioning notch 32 on the heat sink 3 is fixed on the screw The upper part of the column A12 is coated with thermal grease between the heat sink 3 and the integrated light source 2 to realize the heat dissipation function. The heat dissipation groove 41 at the lower part of the lamp holder 4 is embedded above the heat sink 3, and the positioning groove 4221 on the side of the through hole C422 passes through The positioning column 121 set on the side of the screw column A12 realizes the pre-positioning of product assembly, the lamp holder 4 and the lampshade 1 are screwed through the through hole B421 and the through hole C422, and the driving circuit board 20 of the integrated light source 2 is placed on the circuit board to accommodate Inside the cavity 42 , the buckles 432 on both sides of the back cover 43 are buckled into the buckle holes 425 , and screwed to the screw posts C423 on the lamp holder through the through holes D431 , and the power cord 201 is pressed on the crimping teeth 424 .

The utility model simplifies the product structure and improves the production and maintenance efficiency through the above scheme. the

Claims (3)

1. An LED ceiling lamp, comprising a lampshade, an integrated light source, a heat sink, a lamp holder and two torsion springs, characterized in that: the lampshade is set in the shape of a trumpet, and its open end is provided with a ring-shaped lamp panel There is a light source hole in the middle of the lampshade, two screw posts A and two screw posts B are arranged around the light source hole, and one supporting rib plate and four supporting rib plates are respectively arranged on the inner sides of the two screw posts A and the two screw posts B. The top surface is on the same plane, a positioning boss is provided at the end of the four ribs to embed the integrated light source, and a positioning post is provided on the side of the screw post A; two through holes A are provided in the middle of the heat sink Correspondingly cooperate with the screw post B on the lampshade, there are two positioning gaps correspondingly cooperate with the screw post A and the positioning post on the lampshade, a torsion spring slot is provided at both ends of the heat sink to fasten the torsion spring; The lower part of the lamp holder is provided with a through-hole heat dissipation groove, the upper part of the lamp holder is provided with a circuit board accommodating cavity, and the bottom of the circuit board accommodating cavity is provided with two through holes B corresponding to the through holes A on the heat sink respectively. The two through holes C correspond to the screw posts A on the lampshade respectively, and the side of the through hole C is provided with a positioning groove corresponding to the positioning post on the side of the screw post A; Cooling holes; the integrated light source is placed at the light source hole in the middle of the lampshade, and is embedded between the positioning bosses at the ends of the four ribs. The heat dissipation groove is embedded above the heat sink, and the positioning groove on the side of the through hole C is penetrated on the positioning column on the side of the screw column A to realize the pre-positioning of the product assembly, and the lamp holder and the lampshade are screwed through the through hole B and the through hole C , the drive circuit board integrating the light source is placed in the circuit board accommodating cavity. 2. The LED ceiling lamp according to claim 1, characterized in that: a light-transmitting sheet is embedded in the center of the lamp panel at the open end of the lampshade. 3. The LED ceiling lamp according to claim 1, characterized in that: two screw columns C are provided on the bottom edge of the circuit board accommodating cavity on the upper part of the lamp holder, and at least two screw posts C are provided on the top edge of the circuit board accommodating cavity. A button hole is provided, and a top cover is set on the top of the circuit board accommodating chamber. The end of the top cover is provided with two through holes D corresponding to the screw posts C, and the two sides of the top cover are provided with The buckle hole on the top edge of the circuit board accommodating cavity corresponds to the matching buckle, and the buckle on the side of the top cover is buckled into the buckle hole, and is screwed to the screw post C on the lamp holder through the through hole D.