Mechanical sealing device

The utility model relates to the technical field of machinery, in particular to a mechanical sealing device. The mechanical sealing device comprises a first matching part, a second matching part and an adjustable sealing piece; the first matching part and the second matching part are mutually embedded and matched; the first matching part is provided with at least one first step part, the second matching part is provided with at least one second step part, and the first step part and the second step part are matched in an abutting mode. The edge of the first matching part is matched with the edge of the second matching part through an adjustable sealing piece. Compared with the prior art, the mechanical sealing device can achieve a better sealing effect by utilizing the separation of mechanical sealing, meanwhile, better cleanliness is obtained, the sealing stability is good, and meanwhile, the sealing effect is more stable and durable. 本实用新型涉及机械技术领域，具体而言，涉及一种机械密封装置。机械密封装置包括第一配合部、第二配合部和可调密封件；第一配合部和第二配合部相互嵌合配合；