Shoe midsole assembly equipped airbag system

Abstract

Provided is an in-sole assembly for shoes. The in-sole assembly includes an in-sole, a shank board which is arranged on a lower part of the in-sole, an air bag cushion sole which is arranged on an upper part of the in-sole, wherein the air bag cushion sole includes a plurality of air bags in which air is filled and which are projected upwards, wherein the air bag includes a plurality of main air bags which are arranged from one side of an arched area of a foot to an area of a big toe so as to form a line, and a plurality of auxiliary air bags which are formed around the main air bags.

1 . An in-sole assembly for shoes, the in-sole assembly comprising:
 an in-sole;   a shank board which is arranged on a lower part of the in-sole; and   an air bag cushion sole which is arranged on an upper part of the in-sole,   wherein the air bag cushion sole includes a plurality of air bags in which air is filled and which are projected upwards,   wherein the air bag comprises:   a plurality of main air bags which are arranged from one side of an arched area of a foot to an area of a big toe so as to form a line; and   a plurality of auxiliary air bags which are formed around the main air bags.   
     
     
         2 . The in-sole assembly of  claim 1 , wherein each of the main air bags is formed in an over shape in which a longer axis is horizontally arranged,
 wherein each of the auxiliary air bags comprises:   a first auxiliary air bag which is formed in an oval shape in which a longer axis is vertically arranged; and   a second auxiliary air bag which is smaller than the first auxiliary air bag and is externally arranged at an external side of the first auxiliary air bag.   
     
     
         3 . The in-sole assembly of  claim 2 , further comprising:
 a ventilation layer made of mesh materials, which is stacked on the upper part of the air bag cushion sole and in which an air bag inserting hole is formed so that the air bag may be inserted,   wherein at least one air hole is formed at the in-sole, the air bag cushion sole, and the shank board so that heat or air may be discharged to the lower side of respective shoes.   
     
     
         4 . The in-sole assembly of  claim 3 , further comprising:
 a shank which is arranged between the in-sole and the shank board,   wherein the shank includes a head part which is arranged at a heel area, a connection part which is extended from the head part to the horizontal center axis, and a leg part which is extended in the connection part in an Y shape,   wherein a plurality of guide holes, which guide the positions of respective fixing members which fix the in-sole, the shank board, and the bottom sole, are formed in the head part.   
     
     
         5 . The in-sole assembly of  claim 4 , wherein a penetration hole is formed in the in-sole, the air bag cushion sole, and the ventilation layer so that the head part may be exposed,
 wherein a cushion member including connection part, which is inserted into the penetration hole, and an extension part, which is extended from the coupling part, is further included.