Grounding structure of ion purifier

The utility model relates to the field of oil smoke purifiers, and discloses a grounding structure of an ion purifier, which is positioned between a purifier box body and a UV (ultraviolet) lamp bank structure, a guide groove is arranged in the purifier box body, and the grounding structure comprises a sliding connecting piece which is fixed on the UV lamp bank structure and is communicated with a grounding loop in the UV lamp bank structure; a sliding connecting plate is arranged in the guide groove, and the sliding connecting piece and the sliding connecting plate keep in contact and conduct electricity. According to the ion purifier, effective strong grounding connection is provided for electronic elements such as electronic ballasts under the condition that the normal use requirement of the UV lamp set is met, the problem that an existing ion purifier cannot carry out effective strong grounding connection on the electronic ballasts in the UV lamp set is solved, and potential safety hazards are eliminated.