Adjustable punching bag

Abstract

An adjustable punching bag includes an outer jacket bag and an inner bag set received in the outer bag. The inner bag set contains core stuffing, in which the content and kind of the stuffing can be adjusted to change the weight of the entire punching bag for meeting different practicing needs of users. Further, it is convenient to pack, store all parts thereof to lower delivery cost.

1 . An adjustable punching bag, comprising 
 an outer jacket bag, providing a mouth with tying and hanging members at the top thereof; and    an inner bag set, providing a first inner bag and a second inner bag, the second inner bag being received in the first inner bag and the second inner bag being filled with a first stuffing;    wherein, quantity or kind of the stuffing is changeable for controlling and adjusting weight of the punching bag.    
   
   
       2 . The adjustable punching bag as defined in  claim 1 , wherein the first inner bag is made of hardened foam filling agent.  
   
   
       3 . The adjustable punching bag as defined in  claim 1 , wherein the first inner bag has a plurality of chambers with an upper opening respectively for being stuffed with filling agent.  
   
   
       4 . The adjustable punching bag as defined in  claim 1 , wherein the first inner bag has a plurality of chambers and provides at least a gas hole for being injected with gas.  
   
   
       5 . The adjustable punching bag as defined in  claim 3 , wherein the filling agent is liquid, solid and/or gas.  
   
   
       6 . The adjustable punching bag as defined in  claim 1 , wherein a plurality of daughter bags are received in the second inner bag and each of the daughter bags is received with a second stuffing, which is different the first stuffing.  
   
   
       7 . The adjustable punching bag as defined in  claim 1 , wherein a plastic pad is disposed beneath the first inner bag to strengthen capability of bearing for the outer jacket bag and to stabilize center of gravity of the inner bags.  
   
   
       8 . The adjustable punching bag as defined in  claim 1 , wherein the second inner bag has a cap member at the upper and lower end thereof for receiving or releasing stuffing.  
   
   
       9 . The adjustable punching bag as defined in  claim 1 , wherein the first stuffing is liquid, solid and/or gas.  
   
   
       10 . The adjustable punching bag as defined in  claim 6 , wherein the daughter bags are made of soft rubber.  
   
   
       11 . The adjustable punching bag as defined in  claim 8 , wherein the cap member has a recess handle.  
   
   
       12 . The adjustable punching bag as defined in  claim 1 , further comprises a cord member for closing the mouth.  
   
   
       13 . The adjustable punching bag as defined in  claim 1 , wherein the cord member is metal chain.