Bucket body for vacuum bucket and vacuum bucket

A vacuum bucket, comprising:

• a bucket cover and a bucket body;
• wherein the bucket body comprises:
• a stainless-steel bucket wall, a stainless-steel platform plate, and a stainless-steel bottom plate;
• the stainless-steel bucket wall is in a closed ring shape, and the stainless-steel bucket wall defines a top opening and a bottom opening;
• an outer contour of the stainless-steel platform plate is matched to a shape of the top opening, and the stainless-steel platform plate is arranged in the top opening, for sealing and fitting an edge of the stainless-steel platform plate to an inner wall of the top opening;
• the stainless-steel platform plate is configured to seal and fit with a bucket cover;
• an outer contour of the stainless-steel bottom plate is matched to a shape of the bottom opening, and the stainless-steel bottom plate is arranged in the bottom opening, for sealing and fitting an edge of the stainless-steel bottom plate to an inner wall of the bottom opening;
• a food storage cavity is defined between the stainless-steel platform plate and the stainless-steel bottom plate, and the stainless-steel platform plate defines an opening to serve as an inlet of the food storage cavity;
• wherein a bottom of the bucket cover is arranged with a sealing pad, and the bucket cover is sealed and fitted to a top of the stainless-steel platform plate with the sealing pad, for sealing and covering the bucket cover onto the inlet of the food storage cavity;
• the bucket cover is arranged with a vacuum extraction assembly for vacuum extraction of the food storage cavity.