Combination Drawer that is Assembled and Disassembled Easily and Quickly

Abstract

A combination drawer includes a bottom plate, two side plates foldably mounted on the bottom plate, a rear plate foldably mounted on the bottom plate and detachably connected with the side plates, and a front plate disposed on the bottom plate and detachably connected with the side plates. Thus, the front plate, the side plates and the rear plate are combined and detached easily and quickly so that the combination drawer is assembled and disassembled easily and quickly. In addition, the parts of the combination drawer can be detached and folded before assembly or when not in use so as to reduce the whole volume of storage and packaging and to decrease the cost of packaging, storage and transportation of the combination drawer.

1 . A combination drawer, comprising:
 a bottom plate;   two side plates foldably mounted on the bottom plate;   a rear plate foldably mounted on the bottom plate and detachably connected with the side plates; and   a front plate disposed on the bottom plate and detachably connected with the side plates.   
     
     
         2 . The combination drawer of  claim 1 , wherein
 each of the side plates has two opposite ends each provided with at least one fixing piece;   the front plate has two opposite ends each provided with at least one locking piece detachably locked onto the respective fixing piece of each of the side plates;   the rear plate has two opposite ends each provided with at least one fastening piece detachably locked onto the respective fixing piece of each of the side plates.   
     
     
         3 . The combination drawer of  claim 2 , wherein
 the fixing piece of each of the side plates has a surface provided with a fixing slot;   the locking piece of the front plate is inserted through and locked onto the fixing slot of the respective fixing piece of each of the side plates;   the fastening piece of the rear plate is inserted through and locked onto the fixing slot of the respective fixing piece of each of the side plates.   
     
     
         4 . The combination drawer of  claim 3 , wherein
 the locking piece of the front plate is flexible and bendable;   the fastening piece of the rear plate is flexible and bendable.   
     
     
         5 . The combination drawer of  claim 1 , wherein
 the bottom plate has a periphery provided with a first folding portion;   each of the side plates has a periphery provided with a second folding portion combined with the first folding portion of the bottom plate;   the rear plate has a periphery provided with a third folding portion combined with the first folding portion of the bottom plate.   
     
     
         6 . The combination drawer of  claim 1 , wherein
 the side plates are located at two opposite ends of the bottom plate;   the front plate is located at a front side of the bottom plate and is located opposite to the rear plate;   the front plate is disposed between the side plates and abuts the bottom plate so that the front plate is removable from the bottom plate and the side plates;   the rear plate is located at a rear side of the bottom plate;   the rear plate is disposed between the side plates.   
     
     
         7 . The combination drawer of  claim 3 , wherein
 when the combination drawer is assembled, each of the side plates is bent and folded upward relative to the bottom plate;   the fastening piece of the rear plate is bent upward and is perpendicular to the rear plate;   the rear plate is bent and folded upward relative to the bottom plate;   the fastening piece of the rear plate is inserted through the fixing slot of the respective fixing piece of each of the side plates;   the fastening piece of the rear plate is bent inward and locked onto the fixing slot of the respective fixing piece of each of the side plates;   the locking piece of the front plate is bent upward and is perpendicular to the front plate;   the front plate is moved toward the side plates;   the locking piece of the front plate is inserted through the fixing slot of the respective fixing piece of each of the side plates;   the locking piece of the front plate is bent inward and locked onto the fixing slot of the respective fixing piece of each of the side plates.   
     
     
         8 . The combination drawer of  claim 3 , wherein
 when the combination drawer is disassembled, the locking piece of the front plate is bent outward and is perpendicular to the front plate;   the locking piece of the front plate is detached from the fixing slot of the respective fixing piece of each of the side plates to detach the front plate from each of the side plates;   the fastening piece of the rear plate is bent outward and is perpendicular to the front plate;   the fastening piece of the rear plate is detached from the fixing slot of the respective fixing piece of each of the side plates to detach the rear plate from each of the side plates;   the rear plate is bent outward and is in line with the bottom plate;   each of the side plates is bent outward and is in line with the bottom plate.   
     
     
         9 . The combination drawer of  claim 1 , wherein
 each of the side plates has a first end provided with at least one fixing piece;   the front plate has two opposite ends each provided with at least one locking piece detachably locked onto the respective fixing piece of each of the side plates;   the rear plate has two opposite ends each provided with at least one fastening piece detachably locked onto each of the side plates.   
     
     
         10 . The combination drawer of  claim 9 , wherein
 the fixing piece of each of the side plates has a surface provided with a fixing slot;   the locking piece of the front plate is flexible and bendable;   the locking piece of the front plate is inserted through and locked onto the fixing slot of the respective fixing piece of each of the side plates.   
     
     
         11 . The combination drawer of  claim 9 , wherein
 each of the side plates has a second end provided with at least one fixing hole;   the fastening piece of the rear plate has a surface provided with a fixing bore aligning with the fixing hole of each of the side plates;   the combination drawer further comprises:   at least two fastening bolts each extended through the fixing bore of the fastening piece of the rear plate and the fixing hole of each of the side plates; and   at least two fastening nuts each screwed onto each of the fastening bolts to combine the rear plate with each of the side plates.   
     
     
         12 . The combination drawer of  claim 11 , wherein
 each of the fastening bolts has a side provided with a threaded rod;   each of the fastening nuts has an interior provided with a screw bore screwed onto the threaded rod of each of the fastening bolts.   
     
     
         13 . The combination drawer of  claim 11 , wherein
 each of the fastening bolts  4  abuts the fastening piece of the rear plate so that the fastening piece of the rear plate is located between each of the fastening bolts and each of the side plates;   each of the fastening nuts abuts each of the side plates so that each of the side plates is located between the fastening piece of the rear plate and each of the fastening nuts.   
     
     
         14 . The combination drawer of  claim 11 , wherein each of the fastening nuts is partially inserted into the fixing hole of each of the side plates. 
     
     
         15 . The combination drawer of  claim 9 , wherein the fastening piece of the rear plate abuts each of the side plates.