Building Unit for Modular Rack

Abstract

Disclosed is a building unit for a modular rack. The building unit includes a shelf, a frame for supporting the shelf and posts for supporting the frame. The frame includes beams, sleeves provided between the beams and connecting elements each securely disposed in a related one of the sleeves and formed with at least one screw hole. Each of the screws includes a lower section and an upper section driven through the screw hole of a related one of the connecting elements. Each of the posts includes upper and lower discs formed therein. The upper disc includes a screw hole for receiving the lower section of a related one of the screws. The lower disc includes a screw hole for receiving the upper section of a screw of another building unit.

1 . A building unit comprising:
 a shelf;   a frame for supporting the shelf, the frame comprising:
 beams; 
 sleeves provided between the beams; 
 connecting elements each securely disposed in a related one of the sleeves and formed with at least one screw hole; 
   screws each comprising a lower section and an upper section driven through the screw hole of a related one of the connecting elements; and   posts for supporting the frame, each of the posts comprising:
 an upper disc formed therein and with a screw hole for receiving the lower section of a related one of the screws; and 
 a lower disc formed therein and with a screw hole for receiving the upper section of a screw of another building unit. 
   
     
     
         2 . The building unit according to  claim 1 , wherein the frame comprises strips each provided between two adjacent ones of the beams to enhance the frame and support the shelf. 
     
     
         3 . The building unit according to  claim 2 , wherein the shelf comprises apertures defined therein, and each of the strips comprises a screw hole for receiving a screw inserted trough a related one of the apertures of the shelf. 
     
     
         4 . The building unit according to  claim 1 , wherein each of the screws comprises an annular shoulder formed between the upper and lower sections so that the annular shoulder can be abutted against a related one of the connecting elements. 
     
     
         5 . The building unit according to  claim 1  comprising a flexible lining provided each of the sleeves and a related one of the posts. 
     
     
         6 . The building unit according to  claim 1 , wherein at least one of the posts extends longer than the other posts. 
     
     
         7 . The building unit according to  claim 1 , wherein each of the connecting elements is a terminal portion of a related one of the beams inserted through an aperture defined in a related one of the sleeves.