Lamp and assembling technology thereof

A lamp comprising:

• a base unit, a light-passing unit, a heat radiator, an electric wire, and a power supply module;
• wherein:
• the base unit includes a cover and a press ring;
• the cover includes a bottom plate and a ring-shaped portion;
• the bottom plate has an annular shape;
• the bottom plate is fixedly connected with a bottom of the ring-shaped portion;
• the press ring has a bottom fixedly connected with a top of the ring-shaped portion;
• the light-passing unit includes a transparent member, a lens member, a light source pressing member and a light source board;
• the transparent member is mounted between the cover and the press ring;
• the lens member is received in the transparent member and fixedly connected with the transparent member;
• the light source pressing member is mounted on a top of the lens member and fixedly connected with the lens member;
• the light source board is mounted on the light source pressing member;
• the heat radiator is arranged above the lens member and fixedly connected with the transparent member;
• the heat radiator has a top provided with a mounting hole;
• a wire clip is mounted in the mounting hole of the heat radiator;
• the electric wire is a DC (direct-current) wire;
• the electric wire has an output terminal extending through the wire clip and is electrically connected with the light source board;
• and
• the power supply module has an output terminal electrically connected with an input terminal of the electric wire.