| 摘要 |
An inflatable and deflatable air pump is provided. The inflatable and deflatable air pump includes a panel (11), a panel cover (12) matched with the panel (11), an air chamber (13) installed inside of the panel cover (12), a motor (14) connected with the air chamber (13), and a hollow cylindrical shifting switch (17). A plurality of air inlet-outlet holes (111) are formed on the panel (11), a vent valve (121) is disposed on the panel cover (12), an impeller (131) is disposed in the air chamber (13) and is connected thereto with a rotating shaft (141) of the motor (14), and two air chamber holes (1321, 1322) are formed on the air chamber (13). The shifting switch (17) is connected with a connecting linkage (16), and the connecting linkage (16) is connected with a driving switch (15), two radial through holes (1711, 1712) perpendicular to each other and two radial half through holes (1731, 1732) perpendicular to each other are formed on the shifting switch (17), and a protruding stopping element (172) is disposed on the shifting switch (17). |
