Shoe pad structure having an air chamber

Abstract

A shoe pad structure having an air chamber, particularly a shoe pad structure having an air chamber with cushion effects and applicable to the heel or ball on a shoe sole, comprising a flexible unit installed in an air chamber composed of two flexible plastic films with depressed centers thereof, characterized in that: the flexible unit is installed in the center depression of the air chamber, forming a ring-shaped buffer air chamber at the rim of the flexible unit in the air chamber, thereby enabling better cushion effects to prevent possible injury from exercise.

1 . A shoe pad structure having an air chamber, comprising of a flexible unit installed inside an air chamber composed by two flexible plastic films, characterized in that; 
 the flexible plastic film has a depression in the center thereof, the flexible unit being installed in the depression in the center, forming a ring-shaped buffer air chamber at the rim of the flexible unit in the air chamber;    thereby contributing a superior buffer effect to prevent possible injury during exercise.    
     
     
         2 . The shoe pad structure of  claim 1 , wherein the flexible unit is one of two options, a flexible plastic block and a flexible air bag.  
     
     
         3 . The shoe pad structure of  claim 1 , wherein the flexible unit is one of two options, a flexible plastic block having a through hole and a flexible air bag having a through hole.  
     
     
         4 . The shoe pad structure of  claim 1 , wherein the flexible unit is one of two options, a serial combination of a plurality of flexible plastic blocks, and a serial combination of a plurality of flexible plastic air bags.  
     
     
         5 . The shoe pad structure of  claim 1 , wherein the flexible unit is one of two options, a serial combination of a plurality of flexible plastic blocks having through holes, and a serial combination of a plurality of flexible plastic air bags having through holes.  
     
     
         6 . The shoe pad structure of  claim 1 , wherein the flexible unit is one of two options, a web-shaped and flexible plastic block and a web-shaped and flexible air bag.