| 摘要 |
<p>PURPOSE: A washing machine is provided to reduce the malfunction and failure of a washing machine by preventing moisture from reaching a manipulation panel by preventing moisture from flowing from a tub to an inlet using a back flow prevention unit. CONSTITUTION: A washing machine comprises a tub, an inlet(120) and a back flow prevention unit(130). The inlet is communicated with the tub. The back flow prevention unit opens/closes the inlet along with the provided water and is installed rotatably centered on a rotation axis. The back flow prevention unit comprises a selective open unit(140) and a position maintaining unit(150). The selective open unit opens/closes the inlet along with the provided water. The position maintaining unit closes the inlet by maintaining the position of the selective open unit.</p> |
