| 摘要 |
Disclosed is an outdoor multi-functional watertight knapsack (1), which comprises a sealing device (10, 11) arranged at a top opening and a plurality of quick coupling female seats (2) arranged at the bottom part. A cut-off valve is arranged within the female seats (2). For convenience in open-air showers and to pressurize the watertight knapsack (1), one quick coupling female seat (2) is connected to a quick coupling sub-seat which is connected to a shower head (3). Another quick coupling female seat (2) is connected to a quick coupling sub-seat which is connected to an inflation pump (4). For water purification and to pressurize the watertight knapsack (1), one quick coupling female seat (2) is connected to a quick coupling sub-seat which is connected to a water purification filter core (5). Another quick coupling female seat (2) is connected to a quick coupling sub-seat which is connected to the inflation pump (4). When water storage is not required, the watertight knapsack (1) can be used for placing outdoor travel articles. |
