PCB (printed circuit board) for LED (light-emitting diode) lamp

Abstract

The utility model relates to the technical field of LED lamp product assembly, and discloses a PCB for an LED lamp, which comprises a connecting frame, the inner side of the connecting frame is fixedly connected with a body, the top of the body is fixedly connected with a plurality of connecting boxes, the inner wall of each connecting box is provided with three sliding grooves, the inner side of each sliding groove is slidably connected with a rack, and the inner side of each connecting box is provided with a plurality of clamping grooves. And clamping pieces are fixedly connected to the adjacent sides of the multiple racks correspondingly, rotating pieces are rotationally connected to the tops of the multiple connecting boxes correspondingly, spiral teeth are fixedly connected to the bottoms of the multiple rotating pieces correspondingly, and the multiple spiral teeth are connected with the adjacent racks in an engaged mode correspondingly. According to the LED lamp, the spiral teeth at the bottom are driven to rotate by rotating the rotating piece, the spiral teeth drive the racks at the bottom to slide in the sliding grooves, and therefore the clamping pieces are driven to be close to each other, the LED lamp is fixed, the LED lamp can be disassembled by reversely rotating the LED lamp when the LED lamp is damaged, and the damaged lamp can be directly disassembled when the LED lamp is damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED lamp product assembling technical field especially relates to a PCB board for LED lamp. BACKGROUND

[0002] In the rapid development of the lighting industry, LED lamp has become the mainstream lighting product with its obvious advantages, and the PCB board as the key component of LED lamp plays a vital role, with the continuous progress of LED technology, its application range is increasingly wide, covering many fields from home lighting to commercial lighting, from indoor lighting to outdoor lighting, in different application scenarios, the performance and function of LED lamp are diversified, which also promotes the continuous innovation and development of PCB board technology.

[0003] The existing connection mode of PCB board and LED lamp is tin soldering connection, when individual LED lamp fails, the failed lamp cannot be quickly disassembled and replaced, and complex maintenance operation needs to be carried out on the whole PCB board, which wastes maintenance time and cost. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a PCB board for LED lamp, aiming at improving the problem that the existing PCB board cannot quickly disassemble and replace the failed lamp during maintenance and replacement.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme: a PCB board for LED lamp, including connecting frame, the inner side of the connecting frame is fixedly connected with the body, the top of the body is fixedly connected with a plurality of connecting boxes, three sliding grooves are arranged in the inner wall of each connecting box, the inner side of each sliding groove is slidably connected with a rack, the adjacent side of each rack is fixedly connected with a clamping piece, the top of each connecting box is rotatably connected with a rotating piece, the bottom of each rotating piece is fixedly connected with a helical tooth, and the helical tooth is rotatably connected with the adjacent rack.

[0006] Preferably, the mounting assembly comprises a knob, the knob is rotatably connected between the connecting frame, the bottom of the knob is fixedly connected with a connecting rod, the connecting rod extends to the bottom of the connecting frame through the bottom end, the connecting rod is rotatably connected between the connecting frame, and the bottom end of the connecting rod is fixedly connected with a fixed block.

[0007] Preferably, the bottom of the fixed block is provided with a fixing piece, and the inner wall of the fixing piece is fixedly connected with a spring at the bottom.

[0008] Preferably, the top end of the spring is fixedly connected with a gasket, and the inner wall of the fixing piece is provided with a clamping groove.

[0009] Preferably, the body comprises a solder resist layer, and the solder resist layer is fixedly connected with the circuit layer at the bottom.

[0010] Preferably, the circuit layer is fixedly connected with an insulating layer at the bottom.

[0011] Preferably, the insulating layer is fixedly connected with a heat dissipation layer at the bottom.

[0012] Preferably, the connecting frame is fixedly connected with a heat dissipation fin between the bottom of the body.

[0013] The utility model has the advantages of the following beneficial effects:

[0014] 1. In the utility model, the spiral tooth of the bottom is rotated by rotating the rotating part, the spiral tooth drives the rack of the bottom to slide in the sliding groove, so that the clamping part is brought together to fix the LED lamp, and the damaged lamp can be directly disassembled when the LED lamp is damaged, which solves the problem that the existing PCB cannot be quickly disassembled and replaced when the fault lamp is replaced.

[0015] 2. In the utility model, the connecting rod is rotated by rotating the knob, so that the fixed block of the bottom is rotated, the fixed block is inserted into the fixed part and rotated, and the fixed block is lifted under the action of the spring and the gasket, so that the PCB is quickly fixed, and the problems of inconvenient disassembly and damage of the plate caused by excessive force are solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A main body diagram of the PCB for the LED lamp is provided for the utility model;

[0017] Figure 2 A connecting box schematic diagram of the PCB for the LED lamp is provided for the utility model;

[0018] Figure 3 A spiral tooth schematic diagram of the PCB for the LED lamp is provided for the utility model;

[0019] Figure 4 A fixed part cross-sectional schematic diagram of the PCB for the LED lamp is provided for the utility model;

[0020] Figure 5 A body cross-sectional schematic diagram of the PCB for the LED lamp is provided for the utility model.

[0021] LEGEND:

[0022] 1, connecting frame; 2, body; 3, heat dissipation fin; 4, knob; 5, fixing piece; 6, rotating piece; 7, connecting box; 8, sliding groove; 9, rack; 10, clamping piece; 11, helical tooth; 12, connecting rod; 13, fixed block; 14, clamping groove; 15, spring; 16, gasket; 17, solder resist layer; 18, circuit layer; 19, insulating layer; 20, heat dissipation layer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the utility model specification. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Referring to Figures 1-5 , the utility model provides an embodiment: a kind of PCB for LED lamp, including connecting frame 1, connecting frame 1 inner side fixedly connected with body 2, body 2 top is fixedly connected with multiple connecting boxes 7, three sliding grooves 8 are all set in the inner wall of multiple connecting boxes 7, multiple sliding grooves 8 inner side are all slidingly connected with rack 9, multiple rack 9 adjacent side is all fixedly connected with clamping piece 10, multiple connecting boxes 7 top are all rotatably connected with rotating piece 6, multiple rotating piece 6 bottom is all fixedly connected with helical tooth 11, multiple helical tooth 11 are all meshing connection between adjacent rack 9, connecting frame 1 top four corner positions are all provided with mounting assembly, and mounting assembly is used for quick installation.

[0025] Specifically, rotating rotating piece 6 to drive the helical tooth 11 at bottom to rotate, the helical tooth 11 rotation drives the rack 9 at bottom to slide in sliding groove 8, to drive clamping piece 10 to close, fixes LED lamp, when damaging, reverse rotation can make clamping piece 10 separate, at this time, can be disassembled, when LED lamp is damaged, damaged lamp can be directly disassembled directly, reduce maintenance time and cost.

[0026] Referring to Figure 4 , mounting assembly includes knob 4, and knob 4 is rotatably connected between connecting frame 1, and the bottom of knob 4 is fixedly connected with connecting rod 12, and connecting rod 12 bottom end penetrates and extends to the bottom of connecting frame 1, and connecting rod 12 is rotatably connected between connecting frame 1, and the bottom of connecting rod 12 is fixedly connected with fixed block 13;Fixed block 13 bottom is provided with fixing piece 5, and the inner wall bottom of fixing piece 5 is fixedly connected with spring 15;The top of spring 15 is fixedly connected with gasket 16, and the inner wall of fixing piece 5 is provided with clamping groove 14.

[0027] Specifically, by rotating the knob 4 to drive the connecting rod 12 to rotate, the bottom fixed block 13 is rotated, the fixed block 13 is inserted into the fixed part 5 to rotate, and the fixed block 13 is lifted by the spring 15 and the gasket 16, thereby achieving the effect of quickly fixing the PCB board.

[0028] With reference to Figure 5 The body 2 comprises a solder resist layer 17, the bottom of which is fixedly connected with a circuit layer 18; the bottom of the circuit layer 18 is fixedly connected with an insulating layer 19; the bottom of the insulating layer 19 is fixedly connected with a heat dissipation layer 20; the connecting frame 1 is fixedly connected with the bottom of the body 2.

[0029] Specifically, the solder resist layer 17 is epoxy resin, which covers the circuit layer 18 and protects the circuit layer 18 from oxidation and corrosion, prevents short circuit, and provides insulation protection, except for the part that needs to be welded. At the same time, the solder resist layer 17 can also make the surface of the PCB board more flat, which is helpful for accurate component mounting during assembly. The circuit layer 18 is copper foil material, which is used to carry the connection lines between electronic components, realizes the transmission of current and signal, and ensures the normal work of the LED lamp. The insulating layer 19 is polyimide material, which isolates the circuit layer 18 from other layers to prevent short circuit between circuits and provide good electrical insulation performance to ensure the safe operation of the PCB board. The heat dissipation layer 20 is aluminum, which can quickly conduct the heat to the heat dissipation fins 3. The heat dissipation fins 3 dissipate heat to reduce the temperature of the PCB board and LED chip, ensure the luminous efficiency and service life of the LED lamp, and prevent performance degradation and damage due to overheating.

[0030] Working principle: by rotating the rotating part 6 to drive the bottom of the spiral tooth 11 rotation, spiral tooth 11 rotation drive the bottom of the rack 9 in the sliding slot 8 sliding, thereby driving the clamping piece 10 close, the LED lamp is fixed, in reverse rotation when damaged can make clamping piece 10 apart, at this time can be disassembled, realized in LED lamp damage can directly disassemble the damaged lamp, reduce the maintenance time and cost, by rotating knob 4 to drive the connecting rod 12 rotation, thereby driving the bottom of the fixed block 13 rotation, fixed block 13 inserted into the fixed part 5 rotation, under the action of spring 15 and gasket 16 jacking fixed block 13, thereby realizing the effect of PCB board fast fixed, solder mask layer 17 is epoxy resin, solder mask layer 17 covers on the circuit layer 18, in addition to the part that needs to be welded, it can protect the circuit layer 18 from oxidation, corrosion, prevent short circuit, and provide insulation protection, at the same time, solder mask layer 17 can also make the PCB board surface more smooth, help to accurately component mounting in the assembly process, circuit layer 18 is copper foil material, used for bearing the connecting line between electronic components, realize the transmission of current and signal, ensure the normal work of LED lamp, insulating layer 19 is polyimide material, the circuit layer 18 and other layers are isolated, prevent short circuit between circuits, provide good electrical insulation performance, guarantee the safe operation of PCB board, heat dissipation layer 20 is aluminum, heat dissipation layer 20 can quickly conduct these heat to the heat dissipation fin 3, heat dissipation fin 3 will heat dissipation, reduce the temperature of PCB board and LED chip, ensure the luminous efficiency and service life of LED lamp, prevent performance decline and damage due to overheating.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the present application have been described, and not for limiting the present application, although the foregoing detailed description of the present application has been made, for the person skilled in the art, it still can be modified to the technical scheme recorded in the foregoing each embodiment, or to the equivalent replacement of part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A PCB board for LED lamps comprising a connection frame (1), characterized in that: The inside of the connecting frame (1) is fixedly connected with the body (2), the top of the body (2) is fixedly connected with a plurality of connecting boxes (7), the inner wall of the connecting box (7) is provided with three grooves (8), the inner side of the plurality of grooves (8) is slidably connected with a rack (9), the adjacent side of the plurality of racks (9) is fixedly connected with a clamping piece (10), the top of the plurality of connecting boxes (7) is rotatably connected with a rotating piece (6), the bottom of the plurality of rotating pieces (6) is fixedly connected with a helical tooth (11), the plurality of helical teeth (11) are meshed with the adjacent rack (9), the top of the connecting frame (1) is provided with a mounting assembly at the four corner positions, and the mounting assembly is used for quick installation.

2. The PCB board for LED lamp according to claim 1, wherein: The mounting assembly comprises a knob (4), the knob (4) is rotatably connected with the connecting frame (1), the bottom of the knob (4) is fixedly connected with a connecting rod (12), the connecting rod (12) penetrates and extends to the bottom of the connecting frame (1), the connecting rod (12) is rotatably connected with the connecting frame (1), and the bottom of the connecting rod (12) is fixedly connected with a fixed block (13).

3. The PCB board for LED lamp according to claim 2, wherein: The bottom of the fixed block (13) is provided with a fixed part (5), and the inner wall of the fixed part (5) is fixedly connected with a spring (15).

4. The PCB board for LED lamp according to claim 3, characterized in that: The top of the spring (15) is fixedly connected with a gasket (16), and the inner wall of the fixed part (5) is provided with a clamping groove (14).

5. The PCB board for LED lamp according to claim 1, wherein: The body (2) comprises a solder resist layer (17), and the bottom of the solder resist layer (17) is fixedly connected with a circuit layer (18).

6. The PCB board for an LED lamp according to claim 5, wherein: The bottom of the circuit layer (18) is fixedly connected with an insulating layer (19).

7. The PCB board for LED lamp according to claim 6, characterized in that: The bottom of the insulating layer (19) is fixedly connected with a heat dissipation layer (20).

8. The PCB board for LED lamp according to claim 1, wherein: The connecting frame (1) and the bottom of the body (2) are fixedly connected with a heat dissipation fin (3).

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