Bed frame of iron frame bed

Abstract

A bed frame of an iron frame bed comprises two transverse rods, two longitudinal rods, four upright columns, and a plurality of frame rods. The two longitudinal rods and the two transverse rods form a rectangular frame, and a length of each of the two transverse rods is greater than a length of each of the two longitudinal rods. The iron frame bed further comprises two or three longitudinal beams connected to the two transverse rods, and the two or three longitudinal beams divide the rectangular frame into three or four individual cells. The plurality of frame rods are arranged transversely, and a length of each of the plurality of frame rods is shorter than a length of each of the two or three longitudinal beams. The plurality of frame rods are connected to the two longitudinal rods or the two longitudinal beams.

What is claimed is: 
     
         1 . A bed frame of an iron frame bed, comprising:
 two transverse rods symmetrically parallel to each other in a front-and-rear direction,   two longitudinal rods symmetrically parallel to each other in a left-and-right direction,   two or three longitudinal beams connected to the two transverse rods,   four upright columns arranged vertically, and   a plurality of frame rods, wherein:
 the two longitudinal rods and the two transverse rods form a rectangular frame, 
 the four upright columns are respectively connected to four corners of the rectangular frame, 
 a length of each of the two transverse rods is greater than a length of each of the two longitudinal rods, 
 the two or three longitudinal beams divide the rectangular frame into three or four individual cells, 
 the plurality of frame rods are evenly disposed in the three or four individual cells, 
 the plurality of frame rods are arranged transversely, 
 a length of each of the plurality of frame rods is shorter than a length of each of the two or three longitudinal beams, and 
 each end of each of the plurality of frame rods is connected to one of the two longitudinal rods or one of the two or three longitudinal beams. 
   
     
     
         2 . The bed frame of the iron frame bed according to  claim 1 , wherein:
 an inner side of each of the two transverse rods is disposed with one or more U-shaped seats,   each end of each of the two or three longitudinal beams is supported on the one or more U-shaped seats,   each end of each of the two or three longitudinal beams and the one or more U-shaped seats are detachably buckled to each other, and   the two or three longitudinal beams are configured to pull the two transverse rods in a longitudinal direction.   
     
     
         3 . The bed frame of the iron frame bed according to  claim 2 , wherein:
 a left inner side and a right inner side of the one or more U-shaped seats respectively comprises a protruding tongue,   a left side and a right side of each end of each of the two or three longitudinal beams respectively comprises a buckle hole,   the protruding tongue is inserted into the buckle hole,   a bottom surface of the one or more U-shaped seats comprises a position-limiting block,   a bottom surface of each end of each of the two or three longitudinal beams comprises a position-limiting hole, and   the position-limiting block is inserted into the position-limiting hole.   
     
     
         4 . The bed frame of the iron frame bed according to  claim 1 , wherein:
 each end of each of the plurality of frame rods is flattened and folded down vertically to form a vertical hook,   each of the two longitudinal rods and each of the two or three longitudinal beams comprise insertion holes,   each of the insertion holes is disposed with a plastic buckle,   the vertical hook is inserted into the plastic buckle of a corresponding one of the insertion holes, and   an anti-releasing structure is disposed between the vertical hook and the plastic buckle.   
     
     
         5 . The bed frame of the iron frame bed according to  claim 1 , comprising:
 two supporting rods, and   a connecting rod configured to be connected to the two supporting rods, wherein:
 the two supporting rods are connected to the two transverse rods in a one-to-one correspondence, 
 each of the two supporting rods is located below a middle position of a corresponding one of the two transverse rods, 
 the connecting rod is configured to be connected to the two supporting rods and pull the two supporting rods in a longitudinal direction, and 
 two ends of the connecting rod are detachably connected to the two supporting rods. 
   
     
     
         6 . The bed frame of the iron frame bed according to  claim 5 , wherein:
 each of the two transverse rods is configured to be folded in half and comprises two transverse rod units, so that each of the two transverse rods is configured to be folded in half using a corresponding one of the two supporting rods as a center line,   end surfaces of the connecting rod comprise U-shaped channel steels corresponding to the two supporting rods,   the U-shaped channel steels are buckled to the two supporting rods,   one or more tongue pieces protrude from a bottom surface of each of the U-shaped channel steels, and   each of the two supporting rods comprises one or more buckle openings, and   the one or more tongue pieces are inserted into the one or more buckle openings.   
     
     
         7 . The bed frame of the iron frame bed according to  claim 6 , wherein:
 a top end of each of the two supporting rods is disposed with a connecting seat,   inner ends of the two transverse rod units are pivotally connected to the connecting seat,   the connecting seat comprises a seat plate and two side plates,   the seat plate is connected to a top surface of a corresponding one of the two supporting rods,   the two side plates are symmetrically connected to two sides of the seat plate,   a part of the two side plates extending out of the seat plate is pivotally connected to the two transverse rod units, and   when the two transverse rods are folded, a corresponding one of the two supporting rods is disposed between the two transverse rod units.   
     
     
         8 . The bed frame of the iron frame bed according to  claim 7 , wherein:
 each of the four upright columns comprises an upper column and a lower column,   the upper column and the lower column are configured to be inserted into each other in an upper-and-down direction,   a top end of the lower column has a portion having a diameter that is smaller than a remaining portion to form a joint,   the upper column is sleeved on the joint,   end portions of the two longitudinal rods are fixedly connected to the lower columns of the four upright columns,   each of outer ends of the two transverse rod units is disposed with a locking plate,   the locking plate abuts an outer surface of the upper column and an outer surface of the lower column,   a first part of the locking plate extending above a top surface of a corresponding one of the two transverse rods is locked by an upper bolt,   the upper bolt enables the locking plate, the upper column, and the joint to be locked together,   a second part of the locking plate extending below a bottom surface of the corresponding one of the two transverse rods is locked by a lower bolt, and   the lower bolt enables the locking plate and the lower column to be locked together.   
     
     
         9 . The bed frame of the iron frame bed according to  claim 8 , wherein:
 the upper column is further locked by a reinforcing bolt,   the reinforcing bolt enables the upper column and the joint to be locked together,   the reinforcing bolt is located above the upper bolt, and   the lower column is disposed with rivet nuts corresponding to the upper bolt, the lower bolt, and the reinforcing bolt.   
     
     
         10 . The bed frame of the iron frame bed according to  claim 9 , wherein:
 the locking plate is arc-shaped to correspond to the outer surface of the upper column and the outer surface of the lower column,   a left edge and a right edge of the locking plate are folded toward the corresponding one of the two transverse rods, and   the plurality of frame rods are ten frame rods arranged within the three or four individual cells.   
     
     
         11 . The bed frame of the iron frame bed according to  claim 2 , wherein:
 each end of each of the plurality of frame rods is flattened and folded down vertically to form a vertical hook,   each of the two longitudinal rods and each of the two or three longitudinal beams comprise insertion holes,   each of the insertion holes is disposed with a plastic buckle,   the vertical hook is inserted into the plastic buckle of a corresponding one of the insertion holes, and   an anti-releasing structure is disposed between the vertical hook and the plastic buckle.   
     
     
         12 . The bed frame of the iron frame bed according to  claim 3 , wherein:
 each end of each of the plurality of frame rods is flattened and folded down vertically to form a vertical hook,   each of the two longitudinal rods and each of the two or three longitudinal beams comprise insertion holes,   each of the insertion holes is disposed with a plastic buckle,   the vertical hook is inserted into the plastic buckle of a corresponding one of the insertion holes, and   an anti-releasing structure is disposed between the vertical hook and the plastic buckle.