Heat dissipation type LED bulb lamp structure

Abstract

The heat dissipation type LED bulb lamp structure comprises a lamp cap and a bulb shell, a light source structure and a lampshade body arranged on the light source structure are arranged in the bulb shell, and the light source structure comprises a heat dissipation base, a light source plate, an insulating glue heat conduction layer and a fixing piece. The center of the bulb shell is provided with a hollow supporting column used for a wire to penetrate through, and the inner wall of the bulb shell is provided with a buckle protruding block. The side wall of the heat dissipation base is provided with buckle groove holes matched with the buckle protruding blocks in position. The hollow supporting column sequentially penetrates through the heat dissipation base, the insulating glue heat conduction layer and the light source plate and is clamped through the fixing piece. And the lampshade body is buckled on the radiating seat. The light source structure is reasonable in structural arrangement, facilitates improvement of disassembly and assembly convenience of the light source structure, facilitates improvement of heat dissipation performance, is matched with the heat dissipation seat and the heat dissipation groove holes, improves mosquito prevention, dust prevention and humidity prevention performance, improves installation effectiveness of the lampshade body, can prevent the lampshade body from loosening or falling off through the bulb shell, and is simple and firm in assembly and convenient to use. And the use stability and reliability are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of LED lamps, and in particular relates to a heat dissipation type LED bulb structure. Background Art

[0002] In daily life, LED lamps are the most common lighting structures, and light bulbs are the most popular LED lamps. In the prior art, LED light bulbs are mainly composed of a lamp holder, a lamp shell, a light source board and a lampshade. For example, the Chinese patent publication number is: CN211176351U, and the patent name is: An LED bulb lamp that is easy to dissipate heat, including a lamp holder, a heat dissipation shell, a lamp body, and a lampshade. The heat dissipation shell includes a heat dissipation shell, an aluminum-based mounting plate, and a thermally conductive silicone sheet; although it can meet general installation and heat dissipation requirements, it is not only inconvenient to disassemble and assemble the structure, but the lampshade is also prone to loosening or falling off after installation, and its overall heat dissipation performance is also relatively limited, so its applicability and practicality are limited. Utility Model Content

[0003] The utility model aims to provide a heat dissipation type LED bulb structure which has a reasonable structure and is conducive to improving the heat dissipation performance.

[0004] The technical solution to achieve the purpose of the utility model is a heat dissipation type LED bulb structure, including a lamp holder, a bulb shell fixed on the lamp holder, a light source structure and a lampshade body arranged on the light source structure are arranged in the bulb shell, and the light source structure includes a heat dissipation seat, a light source board, an insulating adhesive heat conductive layer and a fixing piece;

[0005] A hollow support column for passing electric wires is arranged at the center of the bubble shell, and a buckle protrusion is arranged on the inner wall of the bubble shell;

[0006] The side wall of the heat sink is provided with a buckle slot hole matched with the position of the buckle protrusion;

[0007] The heat sink is arranged in the bulb shell, and the buckle protrusion is inserted into the buckle slot for positioning;

[0008] The light source board is attached to the surface of the heat sink through an insulating adhesive heat conductive layer;

[0009] The hollow support column passes through the heat sink, the insulating adhesive heat-conducting layer and the light source board in sequence, and is clamped at the end of the hollow support column by a fixing piece to position the light source board;

[0010] The lampshade body is buckled on the heat sink.

[0011] Further preferably, a positioning slot is provided on the side wall of the heat sink;

[0012] A positioning block is provided on the end edge of the lampshade body;

[0013] The lampshade body is attached to the surface of the heat sink, and the positioning block is inserted into the positioning slot for positioning.

[0014] It is further preferred that: a limiting protrusion is provided at the edge of the inner wall of the bulb;

[0015] A buckle ring groove is arranged at the edge of the outer wall of the lampshade body;

[0016] The lampshade body is connected to the heat sink, and the buckle ring groove abuts against the upper limit position of the limiting protrusion.

[0017] It is further preferred that: a plurality of heat dissipation slots are provided on the side wall of the lampshade body.

[0018] Further preferably, a concave cavity is provided on the surface of the heat sink, and the light source board and the insulating adhesive heat-conducting layer are attached to the inner wall of the concave cavity.

[0019] Further preferably, a plurality of strip-shaped vertical grooves are arranged on the side wall of the heat sink.

[0020] More preferably, the heat sink is an aluminum heat sink.

[0021] It is further preferred that: the fixing member comprises a collar, and a plurality of inclined pressing spring pieces integrally formed on the inner ring edge of the collar;

[0022] The collar is sleeved on the hollow support column and abuts against the outer wall of the hollow support column through the pressing spring sheet to limit the position.

[0023] The utility model has positive effects: the structure of the utility model is reasonably arranged, and the light source structure thereof includes a heat sink, a light source board, an insulating adhesive heat-conducting layer and a fixing part, and cooperates with the hollow support column and the buckle protrusion on the bulb shell, which is conducive to improving the convenience of disassembly and assembly of the light source structure, and is also conducive to improving the heat dissipation performance through the heat sink, which is conducive to improving the use of the bulb lamp, and can also meet the requirements of different customer use environments, and at the same time, cooperates with the heat sink and the heat dissipation slot hole, which is also conducive to improving the anti-mosquito, dust-proof and moisture-proof performance, and is highly practical, and at the same time, the lampshade body is buckled on the heat sink, which is conducive to improving the installation effectiveness of the lampshade body, and at the same time, the bulb shell can also prevent the lampshade body from loosening or falling off, thereby improving the stability and reliability of use, and has strong applicability and good practicality;

[0024] At the same time, there is a snap ring groove on the outer wall of the lampshade body to cooperate with the limiting protrusion of the bulb shell. After the lampshade body is installed, the heat dissipation seat and the inner wall of the bulb shell can ensure the stability and reliability of the installation of the lampshade body to prevent it from loosening or falling off. The assembly is simple and reliable, and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to make the content of the utility model easier to understand, the utility model is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein:

[0026] Figure 1 It is a schematic diagram of the structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0028] Figure 3 It is a schematic diagram of the specific structure of the fixing member in the utility model;

[0029] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model;

[0030] Figure 5 for Figure 4 Enlarged structural diagram at A in the middle.

[0031] Figure numerals: lamp holder 1, bulb shell 2, light source structure 3, heat sink 31, light source board 32, insulating glue thermal conductive layer 33, fixing part 34, collar 341, pressing spring piece 342, lamp cover body 4, hollow support column 5, snap-on protrusion 6, snap-on slot hole 7, positioning slot hole 8, positioning block 9, limiting protrusion 10, snap-on ring groove 11, heat dissipation slot hole 12, concave cavity 13, strip vertical groove 14. DETAILED DESCRIPTION

[0032] 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.

[0033] Example

[0034] See Figures 1 to 5 As shown, a heat dissipation type LED bulb structure includes a lamp holder 1, a bulb shell 2 fixed on the lamp holder, a light source structure 3 and a lamp shade body 4 arranged on the light source structure are arranged in the bulb shell. In this embodiment, the lamp holder is a conventional structure of the prior art, which can be a threaded lamp holder or other common lamp holders, so it is not recorded in detail. The bulb shell and the lamp shade body are also structures of the prior art.

[0035] In actual application, the light source structure includes a heat sink 31, a light source board 32, an insulating adhesive heat-conducting layer 33 and a fixing member 34; the heat sink is an aluminum heat sink. The light source board is a DOB optoelectronic integrated aluminum substrate.

[0036] At the same time, in actual application, a hollow support column 5 for passing wires is provided in the center of the bulb shell, and a snap-on protrusion 6 is provided on the inner wall of the bulb shell; in order to improve the convenience of installation, a snap-on slot 7 matching the position of the snap-on protrusion is provided on the side wall of the heat sink; during assembly, the heat sink is arranged in the bulb shell, and the snap-on protrusion is snapped into the snap-on slot for positioning; the light source board is attached to the surface of the heat sink through an insulating adhesive thermal conductive layer; the insulating adhesive thermal conductive layer can improve the thermal conductivity, thereby improving the thermal conductivity and heat dissipation performance as a whole, the hollow support column passes through the heat sink, the insulating adhesive thermal conductive layer and the light source board in turn, and the light source board is positioned by clamping the end of the hollow support column through a fixing piece; the lamp cover body is snapped on the heat sink. The above structure can improve the convenience of disassembly and assembly. During installation, the lampshade body is directly snapped onto the heat sink. When installed in the bulb shell, the inner wall of the bulb shell and the heat sink press the lampshade body, which can also prevent the lampshade body from loosening or falling off.

[0037] In actual application, a positioning slot 8 is provided on the side wall of the heat sink; a positioning block 9 is provided on the end edge of the lampshade body; during installation, the lampshade body is attached to the surface of the heat sink, and the positioning block is inserted into the positioning slot for positioning. At the same time, in order to improve the stability and reliability of installation, a limiting protrusion 10 is provided at the edge of the inner wall of the bulb; a snap ring groove 11 is provided at the edge of the outer wall of the lampshade body; during assembly, the lampshade body is connected to the heat sink, and the snap ring groove abuts against the upper limit of the limiting protrusion. The lampshade body is not only snap-connected to the heat sink, but also snap-connected to the bulb, which ensures the stability and reliability of the lampshade body connection and prevents loosening or falling off.

[0038] In actual application, a plurality of heat dissipation slots 12 are provided on the side wall of the lampshade body. In this embodiment, the heat dissipation slots can be strip, circular, square, oval, plum blossom, quadrilateral, hexagonal, pentagonal, rhombus, horizontal hole, vertical hole or irregular side hole, etc., which are mainly used for heat dissipation. The heat dissipation slots cooperate with the radiator to improve the effectiveness and stability of heat dissipation. The surface of the heat sink is provided with a concave cavity 13, and the light source board and the insulating adhesive heat conductive layer are attached to the inner wall of the concave cavity. In actual application, the overall thickness of the light source board and the insulating adhesive heat conductive layer matches the depth of the concave cavity, so as to ensure the stability and reliability of the installation of the light source board.

[0039] In actual application, a plurality of strip-shaped vertical grooves 14 are provided on the side wall of the heat sink. In this embodiment, the fixing member 34 includes a collar 341 and a plurality of inclined pressing springs 342 integrally formed on the inner ring edge of the collar; during assembly, the collar is sleeved on the hollow support column and abuts against the outer wall of the hollow support column through the pressing springs to limit the position. Through the above operation, the installation convenience and stable installation reliability of the light source panel can be improved.

[0040] The utility model has positive effects: the structure of the utility model is reasonably arranged, and the light source structure thereof includes a heat sink, a light source board, an insulating adhesive heat-conducting layer and a fixing part, and cooperates with the hollow support column and the buckle protrusion on the bulb shell, which is conducive to improving the convenience of disassembly and assembly of the light source structure, and is also conducive to improving the heat dissipation performance through the heat sink, which is conducive to improving the use of the bulb lamp, and can also meet the requirements of different customer use environments, and at the same time, cooperates with the heat sink and the heat dissipation slot hole, which is also conducive to improving the anti-mosquito, dust-proof and moisture-proof performance, and is highly practical, and at the same time, the lampshade body is buckled on the heat sink, which is conducive to improving the installation effectiveness of the lampshade body, and at the same time, the bulb shell can also prevent the lampshade body from loosening or falling off, thereby improving the stability and reliability of use, and has strong applicability and good practicality;

[0041] At the same time, there is a snap ring groove on the outer wall of the lampshade body to cooperate with the limiting protrusion of the bulb shell. After the lampshade body is installed, the heat dissipation seat and the inner wall of the bulb shell can ensure the stability and reliability of the installation of the lampshade body to prevent it from loosening or falling off. The assembly is simple and reliable, and the practicability is strong.

[0042] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification can also be directly processed according to existing technical common sense. At the same time, the connection method of each component adopts the mature conventional means in the prior art, and the machinery, parts and equipment all adopt the conventional models in the prior art, so no specific description will be given here.

[0043] Obviously, the above embodiments of the present invention are merely examples for clearly explaining the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. However, these obvious changes or modifications derived from the essential spirit of the present invention still belong to the protection scope of the present invention.

Claims

1. A heat dissipation type LED bulb structure, comprising a lamp holder, a bulb shell fixed on the lamp holder, a light source structure arranged in the bulb shell, and a lampshade body arranged on the light source structure, characterized in that: The light source structure comprises a heat sink, a light source board, an insulating adhesive heat-conducting layer and a fixing member; A hollow support column for passing electric wires is arranged at the center of the bubble shell, and a buckle protrusion is arranged on the inner wall of the bubble shell; The side wall of the heat sink is provided with a buckle slot hole matched with the position of the buckle protrusion; The heat sink is arranged in the bulb shell, and the buckle protrusion is inserted into the buckle slot for positioning; The light source board is attached to the surface of the heat sink through an insulating adhesive heat conductive layer; The hollow support column passes through the heat sink, the insulating adhesive heat-conducting layer and the light source board in sequence, and is clamped at the end of the hollow support column by a fixing piece to position the light source board; The lampshade body is buckled on the heat sink.

2. The heat dissipation type LED bulb structure according to claim 1, characterized in that: The side wall of the heat sink is provided with a positioning slot hole; A positioning block is provided on the end edge of the lampshade body; The lampshade body is attached to the surface of the heat sink, and the positioning block is inserted into the positioning slot for positioning.

3. The heat dissipation type LED bulb structure according to claim 2, characterized in that: A limiting protrusion is provided at the edge of the inner wall of the bulb shell; A buckle ring groove is arranged at the edge of the outer wall of the lampshade body; The lampshade body is connected to the heat sink, and the buckle ring groove abuts against the upper limit position of the limiting protrusion.

4. The heat dissipation type LED bulb structure according to claim 1, characterized in that: A plurality of heat dissipation slots are arranged on the side wall of the lampshade body.

5. The heat dissipation type LED bulb structure according to claim 1, characterized in that: A concave cavity is arranged on the surface of the heat sink, and the light source board and the insulating adhesive heat-conducting layer are attached to the inner wall of the concave cavity.

6. The heat dissipation type LED bulb structure according to claim 1, characterized in that: A plurality of strip-shaped vertical grooves are arranged on the side wall of the heat sink.

7. The heat dissipation type LED bulb structure according to claim 1, characterized in that: The heat sink is made of aluminum.

8. The heat dissipation type LED bulb structure according to claim 1, characterized in that: The fixing member comprises a collar, and a plurality of inclined pressing spring pieces integrally formed on the inner ring edge of the collar; The collar is sleeved on the hollow support column and abuts against the outer wall of the hollow support column through the pressing spring sheet to limit the position.

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