Thermometer sterilization device

The utility model discloses a thermometer sterilizing device which comprises a shell with an open upper end and an upper cover covering the upper end of the shell, and a water outlet pipe is arrangedat the lower end of the shell; a vertical plate is arranged at the lower end of the upper cover; transverse plates are arranged at the side ends of the vertical plates at intervals up and down; arc-shaped grooves are formed in the upper end of the transverse plate in the length direction of the shell at intervals. A long-strip-shaped hole is formed in the vertical plate in the width direction of the transverse plate, a cross beam is movably arranged in the long-strip-shaped hole, one end of the cross beam extends towards one side of the transverse plate, a protrusion matched with the arc-shaped groove is arranged at the lower end, on one side of the transverse plate, of the cross beam, and the other end of the cross beam penetrates through the vertical plate to be connected with the connecting plate; a sliding pla