Cup barrel knot constructs and food processor thereof

The utility model provides a cup barrel knot that is applicable to food processor constructs, and this glass of barrel knot constructs including interior bucket, outer bucket and position circle, wherein this position circle set up in this the bucket with should outer bucket between with the relative displacement between restraining in this barrel outside and barrel, this position circle includes the inner circle face of bucket in leaning on this and supports the outer lane face by bucket outside this, it sets up at least one lug on at least one convex part and/or this the outer lane face to be provided with on this inner circle face. Furthermore, the utility model discloses the food processor who adopts this glass of barrel knot structure is still provided.