Modular light emitting diode (LED) lamp device

A modular light emitting diode (LED) lamp device, comprising:

• a lamp holder assembly, wherein the lamp holder assembly is provided with a heat sink, a lamp panel is transversely attached inside the heat sink, the lamp panel is fixedly connected to the heat sink through screws, a diffusion cover is connected below the lamp panel, a pressure ring is provided below the diffusion cover, the pressure ring fixes the diffusion cover to the heat sink through screws, a connector bracket is mounted on the heat sink, a wiring terminal is provided in the connector bracket, and a protrusion is provided at a lower part of the heat sink;
• a reflector cup assembly, wherein the reflector cup assembly is provided with a reflector cup platform for supporting the lamp holder assembly, the reflector cup platform is closely attached to the lamp holder assembly, a reflector cup rim is provided at a top of the reflector cup assembly, a slot is formed in the reflector cup rim, and the slot is matched with the protrusion;
• and
• a power supply assembly, wherein the power supply assembly is provided with a power supply box, a power supply module is built in the power supply box, a connecting terminal is provided on the power supply module, and the connecting terminal is connected to the wiring terminal;
• wherein an anti-loosening elastic piece is fixedly connected to the heat sink through screws, and the anti-loosening elastic piece is provided with a raised structure for introducing the reflector cup assembly and a bulging structure for fixing the reflector cup assembly.