Counterweight base for punching bag

A counterweight base for a punching bag, comprising a counterweight body, a conical connector, and a plurality of suction discs;

• wherein:
• the counterweight body is a one-piece barrel-shaped container in the form of a flat cylinder, and comprises a platform and an accommodating cavity;
• an upper part of the counterweight body protrudes to form a circular truncated cone, and the platform is disposed in a center of a top surface of the circular truncated cone;
• the accommodating cavity is disposed in a center of a bottom part of the counterweight body;
• the accommodating cavity comprises a bottom opening that tapers inward, and is in the shape of a conical column;
• the conical connector is matched with the accommodating cavity in size and shape, and comprises a flange base;
• a step is disposed in the bottom opening of the accommodating cavity;
• in a storage state of the counterweight base, the conical connector is disposed in the accommodating cavity, and the flange base is supported by the step;
• a plurality of first inbuilt nuts are disposed on the platform;
• the flange base comprises a plurality of mounting holes;
• in a use state of the counterweight base, the conical connector is fixed on the platform through the plurality of first inbuilt nuts passing through the plurality of mounting holes;
• and
• a plurality of second inbuilt nuts are disposed on a bottom end face of the counterweight base, and the plurality of suction discs are attached to the counterweight base through the plurality of second inbuilt nuts, respectively.