Shoe sole with shock absorbing layer structure

Abstract

The present disclosure relates to a shoe sole with a shock absorbing layer structure, the shoe sole including a midsole constituting an upper portion of the shoe sole and having an arch support formed on a portion that corresponds to an arch of a foot and an outsole constituting a lower portion of the shoe sole and having a cushioning portion formed to guide a center-of-pressure path while a user walks, wherein a shock absorbing layer configured to absorb shock applied to a midfoot portion of the foot is formed between the midsole and the outsole.

What is claimed is: 
     
         1 . A shoe sole with a shock absorbing layer structure, the shoe sole comprising:
 a midsole constituting an upper portion of the shoe sole and having an arch support formed on a portion that corresponds to an arch of a foot; and   an outsole constituting a lower portion of the shoe sole and having a cushioning portion formed to guide a center-of-pressure path while a user walks,   wherein a shock absorbing layer configured to absorb shock applied to a midfoot portion of the foot is formed between the midsole and the outsole, and   the cushioning portion includes, as grooves formed on a bottom surface of the outsole, a first cushioning groove, a second cushioning groove, and a third cushioning groove formed at portions that corresponds to the first metatarsal head, the fifth metatarsal head, and the heel bone of the foot.   
     
     
         2 . The shoe sole of  claim 1 , wherein a portion of the midsole that corresponds to the midfoot portion of the foot is formed as a bending structure that is bent upward to form a hollow layer between the midsole and the outsole while the midsole is combined with the outsole. 
     
     
         3 . The shoe sole of  claim 2 , wherein, in the bending structure, a portion near an inner portion of the foot is bent more than a portion near an outer portion of the foot. 
     
     
         4 . The shoe sole of  claim 3 , wherein the arch support of the midsole includes:
 an inner arch support configured to protrude in a dome shape from a portion corresponding to an inner arch of the foot; and   an outer arch support configured to protrude in a dome shape from a portion corresponding to an outer arch of the foot.   
     
     
         5 . The shoe sole of  claim 4 , wherein the inner arch support protrudes more than the outer arch support. 
     
     
         6 . The shoe sole of  claim 3 , wherein a hindfoot portion of the midsole is formed in a cup shape in which an edge portion of the midsole surrounds a heel of the foot. 
     
     
         7 . The shoe sole of  claim 3 , wherein the outsole is combined with the midsole and has a first curved structure where a forefoot portion is lifted upward and a second curved structure where the hindfoot portion is partially cut. 
     
     
         8 . The shoe sole of  claim 1 , wherein the cushioning portion includes a fourth cushioning groove in which a streamlined groove is formed along an outer line of the outsole from the second cushioning groove to the third cushioning groove.