Inner pad reinforcement device of sole

Abstract

The invention relates to an inner pad reinforcement device of a sole. It comprises an insole having a forefoot zone, an arch zone, a heel zone and a shoe heel integrally formed on the heel zone and having a receiving slot; and a reinforcement unit having a heal seat for inserting into the receiving slot and a supporting part.

What is claimed is: 
     
         1 . An inner pad reinforcement device of a sole, comprising:
 an insole having a forefoot zone, an arch zone, a heel zone, an accommodation zone and a shoe heel integrally formed on the heel zone and having a receiving slot; and   a reinforcement unit corresponding to the accommodation zone and having a heal seat for inserting into the receiving slot and a supporting part laterally extended from a top of the heal seat, wherein the supporting part has a length extending from the heel zone to a proximal end of the forefoot zone.   
     
     
         2 . The inner pad reinforcement device of a sole as claimed in  claim 1 , wherein the insole is provided with a concave edge surrounding the forefoot zone, the arch zone and the heel zone for engaging with a periphery of a shoe upper, and a lateral wall extended from the concave edge and corresponding to the accommodation zone to be sewn by a sewing thread for fixing the shoe upper.