Light source with protection mechanism

The utility model discloses a light source with a protection mechanism, which comprises a shell, a lampshade is arranged at the bottom of the shell, a magnetic attraction fixing plate is arranged in the shell, a positioning groove is arranged below the magnetic attraction fixing plate, a circuit board is arranged below the magnetic attraction fixing plate, a magnetic strip is arranged on the circuit board, and a protective cover is arranged on the magnetic strip. A light source body is arranged below the circuit board, grooves are formed in the two side walls of the circuit board, and protection plates are arranged on the two sides of the inner wall of the shell. According to the LED lamp, the edge of the lampshade is clamped with the limiting groove, and the lampshade has the characteristic of flexibility, so that the lampshade can be directly detached from the limiting groove, the protective plate is pressed towards two sides, the spring and the telescopic rod are compressed, the convex strips on the inner