PROBLEM TO BE SOLVED: To provide a washing machine capable of achieving improvement of detergency.SOLUTION: A washing machine 1 includes: a washing tub 2 in which an accommodation space 2A for accommodating a washing object Q is formed inside and in which water can be stored a water flow generation member 8 for generating a water flow from the water stored in the washing tub 2 an opposing part 5 opposing to the accommodation space 2A from a lower side Z2 and a floating prevention member 9. At the opposing part 5, a discharge port 5A for discharging the water flow which the water flow generation member 8 has generated upward to the accommodation space 2A is formed so as to face the accommodation space 2A from the lower side Z2. The floating prevention member 9 protrudes into the accommodation space 2A further on an upper side Z1 than the discharge port 5A, thereby preventing the floating of the washing object Q in the accommodation space 2A.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】洗浄力の向上を図れる洗浄機を提供する。【解決手段】洗浄機1は、洗浄対象物Qを収容する収容空間2Aが内部に形成されて水が溜められる洗浄槽2と、洗浄槽2に溜められた水から水流を発生させる水流発生部材8と、収容空間2Aに下側Z2から対向した対向部5と、浮き上がり防止部材9とを含む。対向部5には、水流発生部材8が発生させた水流を収容空間2Aへ上向きに吐き出す吐出口5Aが、収容空間2Aを下側Z2から臨むように形成される。浮き上がり防止部材9は、吐出口5Aよりも上側Z1において収容空間2A内に突出し、収容空間2Aにおける洗浄対象物Qの浮き上がりを防止する。【選択図】図1