PURPOSE: A toothbrush sterilizer is provided to reduce the costs of production and to increase a sterilizing effect on a toothbrush by evenly radiating ultraviolet rays on each part of the toothbrush.CONSTITUTION: A toothbrush sterilizer (200) comprises a main body (210) having a receiving space inside a door (220) connected to the main body to be opened and closed a toothbrush holder (230) for holding one or more toothbrushes in the main body an ultraviolet source (240) for sterilizing and drying a toothbrush held in the toothbrush holder a part for evenly radiating ultraviolet rays (250) which guides ultraviolet rays to be evenly radiated on the surface of the toothbrush held in the toothbrush holder by refracting, reflecting and diffusing ultraviolet rays generated from the ultraviolet source and a control part (260) for controlling the lighting, lights-out and brightness of the ultraviolet source.COPYRIGHT KIPO 2013본 발명의 칫솔 살균 장치는 소수의 자외선 광원만으로도 칫솔 거치구에 거치된 다수의 칫솔을 효과적으로 균일하게 살균할 수 있으므로, 제조 비용을 감소시킬 수 있으며, 칫솔의 각 부위에 자외선을 균일하게 조사하여 칫솔의 살균 효과를 높일 수 있는 잇점이 있다.
