LED lamp

Abstract

The LED lamp comprises a lampshade, an LED light source, a metal radiator, an insulating base, a master control circuit board and a screw lamp shell, the lampshade is connected with one end of the metal radiator, the LED light source is arranged at the end, close to the lampshade, of the metal radiator, the insulating base is arranged at the end, away from the lampshade, of the metal radiator, and the master control circuit board is arranged in the screw lamp shell. The master control circuit board is arranged in the insulating base, the screw lamp shell is arranged on the surface of the insulating base, the insulating base and the metal radiator are integrally formed through an injection molding machine, a positioning boss is arranged at the end, close to the insulating base, of the metal radiator, and a positioning ring groove is formed in the end, close to the metal radiator, of the insulating base. The surface of the positioning boss is fixedly connected with the inner wall of the positioning ring groove, the side wall of the positioning boss is provided with the fixing groove, the inner wall of the positioning ring groove is provided with the fixing clamping ring, and the fixing clamping ring and the fixing groove are mutually clamped, so that the metal radiator is prevented from loosening and falling off from the upper insulating base, and the structure is firmer and more reliable.

Description

Technical Field

[0001] The utility model relates to the field of LED lamps, in particular to an LED lamp. Background Art

[0002] LED lamp is a kind of lamp that uses light-emitting diodes made of semiconductor materials for lighting. Its working principle is that when current passes through the P region of the semiconductor, electrons and holes recombine in this region and then are released in the form of light. The application fields of LED lamps are very wide, including home lighting, commercial lighting, traffic lights, car signal lights, stage lighting, entertainment venue lighting, etc. LED lamps have higher energy efficiency and longer life than traditional lamps, which can greatly reduce energy consumption and maintenance costs. At the same time, LED lamps do not contain harmful substances such as mercury and are more environmentally friendly, making LED lamps the first choice for modern home lighting. LED lamps can be used as the main lighting source for the home, such as ceiling lamps, downlights, spotlights, etc. These lamps can provide uniform and soft light to meet the daily lighting needs of the home. The color temperature of LED lamps is adjustable, and the appropriate color temperature can be selected according to different scenes and moods. For example, warm-toned LED lamps can create a warm and romantic atmosphere, while cool-toned LED lamps are more suitable for scenes that require bright and clear lighting.

[0003] LED lamps usually consist of a lampshade, a light source, a heat sink, a circuit board and a lamp housing. The light source and the lamp housing are electrically connected to the circuit board. The circuit board is used to control the operation of the light source. The lamp housing is used to connect to the power supply and power the light source. The light from the light source can form a uniform and soft light through the lampshade. The heat sink is used to take away the heat generated by the light source and the circuit board.

[0004] The heat sink and the insulating base of the existing LED lamp are usually bonded with glue, which is easy to loosen and fall off. When the heat sink and the insulating base are loose, leakage may occur. Utility Model Content

[0005] In order to overcome the deficiencies of the existing technical solutions, the utility model provides an LED lamp, which can effectively solve the technical problem that the heat sink and the insulating base are easily loosened.

[0006] The technical solution adopted by the utility model to solve its technical problems is:

[0007] An LED lamp comprises a lampshade, an LED light source, a metal heat sink, an insulating base, a main control circuit board and a screw-type lamp shell, wherein the lampshade is connected to one end of the metal heat sink, the LED light source is arranged at the end of the metal heat sink close to the lampshade, the insulating base is arranged at the end of the metal heat sink away from the lampshade, the main control circuit board is arranged in the insulating base, the screw-type lamp shell is arranged on the surface of the insulating base, the LED light source and the screw-type lamp shell are electrically connected to the main control circuit board through wires, the insulating base is integrally formed with the metal heat sink through an injection molding machine, a positioning boss is arranged at one end of the metal heat sink close to the insulating base, a positioning ring groove is arranged at one end of the insulating base close to the metal heat sink, the surface of the positioning boss is fixedly connected to the inner wall of the positioning ring groove, the side wall of the positioning boss is arranged with a fixing groove, the inner wall of the positioning ring groove is arranged with a fixing clamping ring, and the fixing clamping ring and the fixing groove are engaged with each other.

[0008] Furthermore, a sealing groove is provided at an edge of one end of the metal radiator close to the lampshade, a waterproof pad is provided in the sealing groove, and a surface of the waterproof pad is raised relative to a surface of the metal radiator.

[0009] Furthermore, the surface of the waterproof pad is provided with wavy patterns.

[0010] Furthermore, the metal heat sink and the insulating base are both provided with wiring holes for passing the wires, and the wiring holes of the metal heat sink and the insulating base are aligned.

[0011] Furthermore, the edge of the lampshade is provided with an external thread, the edge of the metal heat sink is provided with an internal thread, the lampshade and the metal heat sink are threadedly connected, and high temperature resistant glue is applied between the internal thread and the external thread.

[0012] Furthermore, a mounting groove is provided at one end of the metal heat sink close to the lampshade, and the LED light source is fixedly arranged in the mounting groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the insulating base is integrally formed with the metal radiator through an injection molding machine, the positioning boss is arranged in the positioning ring groove, the inner wall of the positioning ring groove is in close contact with the surface of the positioning boss, the side wall of the positioning boss is provided with a fixing groove, the inner wall of the positioning ring groove is provided with a fixing clamping ring, the fixing clamping ring and the fixing groove are engaged with each other to prevent the metal radiator from loosening and falling off from the upper insulating base, and the structure is more firm and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of an LED lamp of the utility model;

[0015] Figure 2 This is a cross-sectional view of an LED lamp of the utility model;

[0016] Figure 3 for Figure 2A partial enlarged view of the middle A;

[0017] Figure 4 This is a schematic diagram of the connection between a metal heat sink and an insulating base in an LED lamp of the utility model;

[0018] Numbers in the figure: 1-lamp cover, 2-LED light source, 3-metal heat sink, 4-insulating base, 5-main control circuit board, 6-screw-mouth lamp housing, 7-wiring hole, 8-positioning boss, 9-positioning ring groove, 10-fixing groove, 11-fixing clamping ring, 12-sealing groove, 13-waterproof pad. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Combine the following Figure 1-Figure 4 A LED lamp of the utility model is described in detail:

[0021] A LED lamp comprises a lampshade 1, an LED light source 2, a metal radiator 3, an insulating base 4, a main control circuit board 5 and a screw-type lamp housing 6, the lampshade 1 is connected to one end of the metal radiator 3, the edge of the lampshade 1 is provided with an external thread, the edge of the metal radiator 3 is provided with an internal thread, the lampshade 1 and the metal radiator 3 are threadedly connected, and high-temperature resistant glue is applied between the internal thread and the external thread, the LED light source 2 is arranged at one end of the metal radiator 3 close to the lampshade 1, the end of the metal radiator 3 close to the lampshade 1 is provided with a mounting groove, the LED light source 2 is fixedly arranged in the mounting groove, the insulating base 4 is arranged at one end of the metal radiator 3 away from the lampshade 1, the main control circuit board 5 is arranged in the insulating base 4, the screw-type lamp housing 6 is arranged on the surface of the insulating base 4, the LED light source 2 and the screw-type lamp housing 6 are both electrically connected to the main control circuit board 5 through wires, the metal radiator 3 and the insulating base 4 are both provided with wiring holes 7 for passing the wires, and the wiring holes 7 of the metal radiator 3 and the insulating base 4 are aligned.

[0022] The insulating base 4 is integrally formed with the metal heat sink 3 by an injection molding machine. A positioning boss 8 is provided at one end of the metal heat sink 3 close to the insulating base 4, and a positioning ring groove 9 is provided at one end of the insulating base 4 close to the metal heat sink 3. The surface of the positioning boss 8 is fixedly connected to the inner wall of the positioning ring groove 9, and a fixing groove 10 is provided on the side wall of the positioning boss 8. A fixing clamp 11 is provided on the inner wall of the positioning ring groove 9, and the fixing clamp 11 and the fixing groove 10 are engaged with each other.

[0023] The metal radiator 3 is provided with a sealing groove 12 at one end edge close to the lampshade 1, and a waterproof pad 13 is provided in the sealing groove 12. The surface of the waterproof pad 13 is raised relative to the surface of the metal radiator 3, and the surface of the waterproof pad 13 is provided with wavy patterns. After the lampshade 1 and the metal radiator 3 are connected, the waterproof pad 13 is squeezed to make the waterproof pad 13 elastically deformed and fill the entire sealing groove 12, thereby effectively preventing water from penetrating into the lampshade 1 from between the lampshade 1 and the metal radiator 3.

[0024] In the LED lamp of the present embodiment, the insulating base 4 is integrally formed with the metal heat sink 3 by an injection molding machine, the positioning boss 8 is arranged in the positioning ring groove 9, the inner wall of the positioning ring groove 9 is in close contact with the surface of the positioning boss 8, the side wall of the positioning boss 8 is provided with a fixing groove 10, the inner wall of the positioning ring groove 9 is provided with a fixing clamp 11, the fixing clamp 11 and the fixing groove 10 are engaged with each other to prevent the metal heat sink 3 from loosening and falling off from the upper insulating base 4, and the structure is more firm and reliable.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An LED lamp, comprising a lampshade, an LED light source, a metal radiator, an insulating base, a main control circuit board and a screw-type lamp housing, wherein the lampshade is connected to one end of the metal radiator, the LED light source is arranged at one end of the metal radiator close to the lampshade, the insulating base is arranged at one end of the metal radiator away from the lampshade, the main control circuit board is arranged in the insulating base, the screw-type lamp housing is arranged on the surface of the insulating base, the LED light source and the screw-type lamp housing are electrically connected to the main control circuit board through wires, and characterized in that: The insulating base is integrally formed with the metal heat sink by an injection molding machine. A positioning boss is provided at one end of the metal heat sink close to the insulating base, and a positioning ring groove is provided at one end of the insulating base close to the metal heat sink. The surface of the positioning boss is fixedly connected to the inner wall of the positioning ring groove, and a fixing groove is provided on the side wall of the positioning boss. A fixing clamp is provided on the inner wall of the positioning ring groove, and the fixing clamp is engaged with the fixing groove.

2. The LED lamp according to claim 1, characterized in that: The edge of one end of the metal radiator close to the lampshade is provided with a sealing groove, a waterproof pad is arranged in the sealing groove, and the surface of the waterproof pad is raised relative to the surface of the metal radiator.

3. The LED lamp according to claim 2, characterized in that: The surface of the waterproof pad is provided with wavy patterns.

4. An LED lamp according to any one of claims 1 to 3, characterized in that: The metal heat sink and the insulating base are both provided with wiring holes for passing the wires, and the wiring holes of the metal heat sink and the insulating base are aligned.

5. The LED lamp according to any one of claims 1 to 3, characterized in that: The edge of the lampshade is provided with an external thread, the edge of the metal radiator is provided with an internal thread, the lampshade and the metal radiator are threadedly connected, and high-temperature resistant glue is applied between the internal thread and the external thread.

6. An LED lamp according to any one of claims 1 to 3, characterized in that: The metal heat sink is provided with a mounting groove at one end close to the lampshade, and the LED light source is fixedly arranged in the mounting groove.

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