| 摘要 |
<p>A pneumatic toothpaste tube, comprising a toothpaste canister (1) and an air pump (3); the toothpaste canister (1) comprises a plunger canister (4), a plunger (5), and a toothbrush holder (6); the plunger (5) is movably fitted to a cavity (7) inside the plunger canister (4); the upper end (8) of the plunger canister (4) is provided with an upper toothpaste nozzle (9), an upper toothbrush clamp (14), and an upper screw head (16), and the lower end (10) of the plunger canister (4) is provided with a lower toothpaste nozzle (11), a lower toothbrush clamp (15), and a lower screw head (17); the upper toothpaste nozzle (9) is provided with an upper screw cap (12), and the lower toothpaste nozzle (11) is provided with a lower screw cap (13); the air pump (3) comprises a gas nozzle (18) and a one-way valve (19); the upper toothpaste nozzle (9) or the lower toothpaste nozzle (11) is connected to the air pump (3); after the toothpaste (21) in the toothpaste canister (1) has been used, toothpaste (21) is again injected into the toothpaste canister (1), and the pneumatic toothpaste tube is reused.</p> |
