Combined and Upright File Storage Cabinet

Abstract

A folding chair, including a first folding support and a second folding support, the first folding support includes a first front leg, a first back leg and a seat, the upper-end of the first front leg is pivotally connected to the lateral front-end of the seat, the first front leg is pivotally cross-linked with the first back leg, the lateral side of the seat is slidably and pivotally connected to the first back leg; the second folding support includes a second front leg, a second back leg and a second horizontal bearing-rod, connection of the second folding support is similar to that of the first folding support.

1 . A combined and upright file cabinet, comprising: a file cabinet body including an apical plate and a lateral plate and a backboard, a plurality of drawers which moveably link with the file cabinet body, said file cabinet body and drawers are partly or all plastic composite boards, the connections of each said parts of the file cabinet are knock-down; said plastic composite board has a faceplate, a soleplate, a perforated plate and a liner; the perforated plate is filled between the faceplate and the soleplate, the liner is sandwiched between the faceplate and the soleplate, and the liner entirely or interval partly covers the perforated plate along the periphery of the perforated plate. 
   
   
       2 . The combined and upright file cabinet according to  claim 1 , wherein the mutual connections of the plastic composite boards of the file cabinet body are a knock-down hanging connection; said every two plastic composite boards are a hanging connection: a first plastic composite board at least having a pair of sides inside embedded with liner as reinforcement pieces, a second plastic composite board at least having a pair of sides inside embedded with the liner as reinforcement pieces, and the side reinforcement piece of the connection of the first plastic composite board and the second plastic composite board has a buckle hole outside of the first plastic composite board, accordingly the reinforcement piece of the second plastic composite board has a fastener protruding outside of the second plastic composite board; the first plastic composite board fixedly connects with the second plastic composite board by buckling the fastener into the buckle hole. 
   
   
       3 . The combined and upright file cabinet according to  claim 2 , wherein said four sides of the lateral plate of the file cabinet body are all embedded with liners as reinforcement pieces to form reinforcement frame, which has several reinforcement poles in landscape orientation; runners are installed on the transverse reinforcement poles. 
   
   
       4 . The combined and upright file cabinet according to  claim 1 , wherein both the faceplate and the soleplate of said plastic composite board are plastic combined boards of vacuum molding, the superposition sides of the faceplate and the soleplate are located on the side of the plastic composite board, the superposition side of the faceplate and the soleplate connect with each other by jointing or gluewater; the plastic composite board is filled with paper honeycomb core or plastic honeycomb core or epispastic stuffing; or both the faceplate and the soleplate of the plastic composite board are plastic pieces, the circumferences of the faceplate and the soleplate are enwraped by enveloping regulas, the plastic composite board is filled with paper honeycomb core or plastic honeycomb core or epispastic stuffing; or both the faceplate and the soleplate of the plastic composite board are single layer or multi-layer plastic boards made by vacuum molding, the thickness of the plastic board is in the range of 0.3 to 4 mm. 
   
   
       5 . The combined and upright file cabinet according to  claim 4 , wherein the surfaces of the faceplate and the soleplate of said plastic composite board are printed with a printing layer of grain of wood or marbling or complexed with a film layer of grain of wood or marbling. 
   
   
       6 . The combined and upright file cabinet according to  claim 2 , wherein the reinforcement pieces embedded into the plastic composite board are pipe fittings, extrusion shaped materials, injection molding pieces or hardware complex pieces. 
   
   
       7 . The combined and upright file cabinet according to  claim 2 , wherein the fasteners of the second plastic composite board fixedly connects with the reinforcement piece embedded into the second plastic composite board by jointing or a rivet or a screw thread. 
   
   
       8 . The combined and upright file cabinet according to  claim 2 , wherein said fasteners are plastic hooks, L-shaped metal pieces, L-shaped sheet pieces or ladder-shaped pins; said buckle holes are rectangle holes or oblong holes or ladder holes; the fasteners correspond with the buckle holes. 
   
   
       9 . The combined and upright file cabinet according to  claim 8 , wherein the fixed connection of the first plastic composite board and the second plastic composite board is “L” shaped, “T” shaped or “-” shaped. 
   
   
       10 . The combined and upright file cabinet according to  claim 1 , wherein said drawer is made up of five plates: a bottom side plate, a left side plate, a right side plate, a front side plate and a back side plate; said every two side plates are of a hanging connection: the first side plate has a fastener and the second side plate has a buckle hole to accept the fastener; the drawer is made up of the bottom side plate, the left side plate, the right side plate, the front side plate and the back side plate by the fasteners hanging into the buckle holes. 
   
   
       11 . The combined and upright file cabinet according to  claim 10 , wherein said front side plate is plastic composite board. 
   
   
       12 . The combined and upright file cabinet according to  claim 1 , wherein said drawer is made up of five plates: a bottom drawer plate, a left drawer plate, a right drawer plate, a front drawer plate, a back drawer plate; two front insert-meet pieces are installed at two sides of the inner side of the front drawer plate, two back insert-meet pieces are installed at two sides of the inner side of the back drawer plate; correspondingly insert-meeted pieces are installed at an end side of each of the left and the right drawer plates; the left drawer plate and the right drawer plate fixedly connect with the front drawer plate and the back drawer plate by insert-meet pieces inserting into insert-meeted pieces; the downside of the inner side of the left drawer plate and the right drawer plate has fixed troughs, the outside has runners; the bottom drawer plate fixedly connects with the left drawer plate and the right drawer plate by being inserted into the fixed troughs. 
   
   
       13 . The combined and upright file cabinet according to  claim 12 , wherein said drawer plates are all plastic composite plates.