Dental chair waterway antibacterial pipeline based on AgNPs/PTFE composite material

The utility model discloses a dental chair waterway antibacterial pipeline based on an AgNPs/PTFE composite material, which comprises a pipeline body (1), an AgNPs/PTFE composite coating (4) is arranged on the inner wall of the pipeline body (1), a group of annular reinforcing ribs (2) distributed side by side are arranged on the outer side wall of the pipeline body (1), and an outer sleeve (3) is arranged on the outer sides of the annular reinforcing ribs (2); the outer casing pipe (3) comprises an upper half casing pipe (301) and a lower half casing pipe (302) which are of a semicircular structure, and the inner wall face of the upper half casing pipe (301) and the inner wall face of the lower half casing pipe (302) are each provided with an insertion ring (303) clamped with the annular reinforcing rib (2); t-shaped inserting strips (304) are arranged at the two ends of the lower surface of the upper half sleeve (301), and inserting grooves (305) matched with the T-shaped inserting strips (304) are formed i