Grid structure of storage rack

Abstract

Disclosed is a grid structure of a storage rack, and the storage rack has four corner pillars vertically disposed at four corner of the storage rack and edge frames coupled with each other to form a rectangular frame space, and at least one grid disposed in the frame space, and the edge frames and the grid are combined to form a carrying plane for carrying heavy objects, and the grid is formed by first wires and second wires staggered with one another, and the second wires are coupled to the bottom of the first wires. Each second wire has a sectional shape corresponsive to a positive force direction of the carrying plane and in a flat elliptical shape and an aspect ratio falling within a range of 1.5:1˜3.5:1. Therefore, the supporting effect while carrying heavy objects can be improved without increasing the weight of materials.

What is claimed is: 
     
         1 . A grid structure of a storage rack, and the storage rack comprising four corner pillars vertically disposed at four corners of the storage rack respectively, a plurality of edge frames coupled to one another to form a rectangular frame space and disposed in the frame space, and the edge frames and the grid being combined to form a carrying plane for carrying heavy objects, and the grid being formed by a plurality of first wires and a plurality of second wires staggered with one another, and the first wires being parallelly disposed with a spacing from one another, and the second wires being parallelly disposed with a spacing from one another at the bottom of the first wires, characterized in that each second wire has a sectional shape corresponsive to a positive force direction of the carrying plane and in a flat elliptical shape and an aspect ratio falling within a range of 1.5:1˜3.5:1, so that the supporting effect of the second wires can be improved while carrying heavy objects without increasing the weight of materials. 
     
     
         2 . The grid structure of a storage rack according to  claim 1 , wherein each second wire is a metal solid wire. 
     
     
         3 . The grid structure of a storage rack according to  claim 1 , wherein each second wire is a metal hollow tube. 
     
     
         4 . The grid structure of a storage rack according to  claim 1 , wherein the second wires and the first wires are perpendicular to one another. 
     
     
         5 . The grid structure of a storage rack according to  claim 1 , further comprising a plurality of third wires parallelly installed with a space from one another on the top of the first wire, such that the first wires is clamped between the second wires and the third wires. 
     
     
         6 . The grid structure of a storage rack according to  claim 5 , wherein each third wire is a metal solid wire. 
     
     
         7 . The grid structure of a storage rack according to  claim 5 , wherein each third wire is a metal hollow tube. 
     
     
         8 . The grid structure of a storage rack according to  claim 6 , wherein the third wires and the first wires are perpendicular to one another respectively. 
     
     
         9 . The grid structure of a storage rack according to  claim 7 , wherein the third wires and the first wires are perpendicular to one another respectively. 
     
     
         10 . The grid structure of a storage rack according to  claim 8 , wherein each third wire has a sectional shape corresponsive to a positive force direction of the carrying plane and in a flat elliptical shape, and an aspect ratio falling within a range of 1.5:1˜3.5:1. 
     
     
         11 . The grid structure of a storage rack according to  claim 9 , wherein each third wire has a sectional shape corresponsive to a positive force direction of the carrying plane and in a flat elliptical shape, and an aspect ratio falling within a range of 1.5:1˜3.5:1.