Rack assembly

Abstract

A rack assembly includes at least four columns, a top frame module and a bottom frame module. The at least four columns are connected between the top and bottom frame modules. The rack assembly can be easily disassembled for reducing the room required in transportation, and the rack assembly can be easily assembled in offices.

What is claimed is: 
     
         1 . A rack assembly comprising:
 at least four columns;   a top frame module having a top frame, a top connection unit and at least four top fixing slots;   the top connection unit connected to the top frame, the top connection unit having multiple top connection parts, the at least four top fixing slots formed by connections of the top frame and the top connection parts, the at least four columns having at least four first ends thereof inserted into the at least four top fixing slots, each of the at least four columns and each of the at least four top fixing slots being secured by at least one top locking unit;   a bottom frame module having a bottom frame, a bottom connection unit and at least four bottom fixing slots;   the bottom connection unit connected to the bottom frame, the bottom connection unit having multiple bottom connection parts, the at least four bottom fixing slots formed by connections of the bottom frame and the bottom connection parts, the at least four columns having at least four second ends thereof inserted into the at least four bottom fixing slots, each of the at least four columns and each of the at least four bottom fixing slots being secured by at least one bottom locking unit.   
     
     
         2 . The rack assembly as claimed in  claim 1 , wherein each of the top connection parts has at least one top notch and the top frame has at least four top corners which are located corresponding to the at least four notches so as to form the at least four top fixing slots. 
     
     
         3 . The rack assembly as claimed in  claim 1 , wherein each of the bottom connection parts has at least one bottom notch and the bottom frame has at least four bottom corners which are located corresponding to the at least four bottom notches so as to form the at least four bottom fixing slots. 
     
     
         4 . The rack assembly as claimed in  claim 1 , wherein each of the top connection parts has a top locking plate and each of the bottom connection parts has a bottom locking plate which is located corresponding to the top locking plate so as to be connected to four links. 
     
     
         5 . The rack assembly as claimed in  claim 4 , wherein each of the top locking plate and the bottom locking plate has an elongate hole. 
     
     
         6 . The rack assembly as claimed in  claim 1 , wherein the top frame has a top bent wall extending downward from an inside thereof and the bottom frame has a bottom bent wall extending upward from an inside thereof. 
     
     
         7 . The rack assembly as claimed in  claim 1 , wherein the top frame and the top connection part are in contact with each other in face-face manner and the bottom frame and the bottom connection part are in contact with each other in face-face manner. 
     
     
         8 . The rack assembly as claimed in  claim 1 , wherein the top locking unit comprises a male bolt and a female bolt, the male bolt and the female bolt respectively extend through the top frame, the top connection part and the column, the bottom locking unit comprises a male bolt and a female bolt, the male bolt and the female bolt respectively extend through the bottom frame, the bottom connection part and the column. 
     
     
         9 . The rack assembly as claimed in  claim 1 , wherein the bottom frame is connected with a roller unit. 
     
     
         10 . The rack assembly as claimed in  claim 1 , wherein the top frame has a first top U-frame, a second top U-frame, a first top connection plate and a second top connection plate, the first top connection plate connects the first top U-frame to one end of the second top U-frame, the second top connection plate connects the first top U-frame to the other end of the second top U-frame, the bottom frame has a first bottom U-frame, a second bottom U-frame, a first bottom connection plate and a second bottom connection plate, the first bottom connection plate connects the bottom top U-frame to one end of the second bottom U-frame, the second bottom connection plate connects the bottom top U-frame to the other end of the second bottom U-frame.