Granted Patent B2

US 12,427,389 · App. 18/395,324 · Granted Sep 30, 2025

Inventor: Jianhong Wu (Zhangzhou, CN)

Assignee: ZHANGZHOU TAILISI SPORTS EQUIPMENT CO., LTD

A63B69/20A63B69/34

Abstract

Claims (21)

1. A multi-leg movable punching bag, comprising:

a punching bag body; and

a base;

wherein an interior of the punching bag body is communicated with an interior of the base, and the punching bag body and the base are hollow; the punching bag body is weldedly connected with the base by hot melting; the punching bag body is made of a first elastic material and the base is made of a second elastic material; and the base comprises a plurality of support legs, and any two adjacent support legs of the plurality of support legs are arranged at a fixed angle;

an interior of each of the plurality of support legs comprises an inflation cavity and a water injection cavity from top to bottom, and the inflation cavity and the water injection cavity are separated through an elastic isolation layer; the elastic isolation layer is welded with an inner wall of each of the plurality of support legs by hot melting; and the inflation cavity is communicated with the punching bag body; and

an outer surface of a connection between the punching bag body and each of the plurality of support legs is provided with a reinforcement ring.

2. The multi-leg movable punching bag of claim 1 , wherein an elastic foamed layer is arranged on an outer surface of the punching bag body.

3. The multi-leg movable punching bag of claim 2 , wherein a thickness of the elastic foamed layer is 2-3 cm.

4. The multi-leg movable punching bag of claim 1 , wherein the elastic isolation layer is located one-third of a way up from a bottom of each of the plurality of support legs.

5. The multi-leg movable punching bag of claim 1 , wherein a top of the punching bag body is provided with an air injection part; and a water injection part is provided on a side wall of the water injection cavity.

6. A multi-leg movable punching bag, comprising:

a punching bag body; and

a base;

wherein an interior of the punching bag body is communicated with an interior of the base, and the punching bag body and the base are hollow; the punching bag body is weldedly connected with the base by hot melting; the punching bag body is made of a first elastic material and the base is made of a second elastic material; and the base comprises a plurality of support legs, and any two adjacent support legs of the plurality of support legs are arranged at a fixed angle; and

the plurality of support legs comprises three support legs.

7. The multi-leg movable punching bag of claim 6 , an interior of each of the plurality of support legs comprises an inflation cavity and a water injection cavity from top to bottom, and the inflation cavity and the water injection cavity are separated through an elastic isolation layer; the elastic isolation layer is welded with an inner wall of each of the plurality of support legs by hot melting; and the inflation cavity is communicated with the punching bag body.

8. The multi-leg movable punching bag of claim 7 , wherein the elastic isolation layer is located one-third of a way up from a bottom of each of the plurality of support legs.

9. The multi-leg movable punching bag of claim 7 , wherein a top of the punching bag body is provided with an air injection part; and a water injection part is provided on a side wall of the water injection cavity.

10. The multi-leg movable punching bag of claim 7 , wherein an outer surface of a connection between the punching bag body and each of the plurality of support legs is provided with a reinforcement ring.

11. The multi-leg movable punching bag of claim 6 , wherein an elastic foamed layer is arranged on an outer surface of the punching bag body.

12. The multi-leg movable punching bag of claim 11 , wherein a thickness of the elastic foamed layer is 2-3 cm.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (11)