Disinfecting and sterilizing spotlight lamp with wavelength of 222nm

The utility model discloses a disinfection and sterilization spotlight lamp with the wavelength of 222nm. The disinfection and sterilization spotlight lamp comprises a power source box, a swing arm, a light source box, a supporting plate, a light source module, a box cover, a supporting rod, a T-shaped round rod, a round block, a first spring, a T-shaped clamping block, a clamping groove, a U-shaped block, a fixing pin, a gear, an arc-shaped rack, a T-shaped block, a second spring, an L-shaped rod, a fastening bolt and a nut. The light source box is driven to move by rotating the U-shaped block, then the irradiation angle of the light source module is changed, the U-shaped block moves to drive the arc-shaped rack to move, so that the gear extrudes the arc-shaped rack, the arc-shaped rack moves to drive the T-shaped block to move, and then the second spring is stretched; the T-shaped block moves to drive the arc-shaped rack to move to be meshed with the gear, the L-shaped rod is rotated through the hinge, the