Food mixer and machine with fastener structure

The utility model belongs to the technical field of food preparation device which overcomes the defects of the existing food stirrer just capable of adapting to a cup body with one kind of structure because that the swivel arm with a complicated locking mechanism has a big volume, complicated structure as well as fussy opening and closing operations and is locked at the upper end of the cup body. The food stirring device of the locking mechanism comprises a machine body which has an L-shaped part. A seat surface for placing a stirring container is arranged at the transverse part of the machine body. A locking button capable of tilting is installed on the end part of the longitudinal part of the machine body. The locking button is provided with a bayonet. A normally disconnected touch switch connected in the power supply circuit of the electric motor in series is arranged inside the bayonet. The food stirrer comprises the devices. A protuberant part is arranged on a stirring container. When the stirring container is placed on the machine body, the protuberant part can drop into the bayonet and hold the touch switch so as to close the touch switch. Just when the touch switch inside the bayonet is touched and held in, the power supply of the electric motor can be switched on, which realizes the purpose of safety and reliability.