Freely Combined Cube Sofa And Combination Sofa

Abstract

A freely combined cube sofa and a combination sofa are provided. The freely combined cube sofa includes: a seat cushion frame, a seat cushion, two armrest frames, a backrest frame, and a backrest cushion, where the backrest frame is detachably provided at a back of the seat cushion frame; the two armrest frames are respectively detachably provided at two sides of the seat cushion frame; the seat cushion is detachably provided on a top of the seat cushion frame; the backrest cushion is detachably provided at a front side of the backrest frame; the seat cushion frame is a detachable space frame; and outer surfaces of the seat cushion frame, the armrest frames, and the backrest frame each are covered with a detachable skin. The sofa is composed of frames and cushions, which can be disassembled and laid flat to reduce the packaging volume and increase the loading capacity.

What is claimed is: 
     
         1 . A freely combined cube sofa, comprising: a seat cushion frame, a seat cushion, two armrest frames, a backrest frame, and a backrest cushion, wherein the backrest frame is detachably provided at a back of the seat cushion frame; the two armrest frames are respectively detachably provided at two sides of the seat cushion frame; the seat cushion is detachably provided on a top of the seat cushion frame; and the backrest cushion is detachably provided at a front side of the backrest frame; and
 the seat cushion frame is a detachable space frame; and each of outer surfaces of the seat cushion frame, the two armrest frames, and the backrest frame is covered with a detachable skin.   
     
     
         2 . The freely combined cube sofa according to  claim 1 , wherein the seat cushion frame comprises a top frame, a bottom frame, and four connecting rods; and four corners of the top frame and four corners of the bottom frame are securely connected in a one-to-one correspondence by the four connecting rods. 
     
     
         3 . The freely combined cube sofa according to  claim 1 , wherein the two sides of the seat cushion frame are provided with first pins, and middles of the two armrest frames are correspondingly provided with first pin holes;
 the back of the seat cushion frame is provided with a second pin, and a middle of the backrest frame is correspondingly provided with a second pin hole; and   the first pins and the second pin extend vertically upwards from the top of the seat cushion frame, and are inserted in a fitted manner into the first pin holes and the second pin hole.   
     
     
         4 . The freely combined cube sofa according to  claim 1 , wherein a bottom of the seat cushion is securely provided on the detachable skin of the seat cushion frame through a first Velcro; and a back of the backrest cushion is securely provided on the detachable skin of the backrest frame through a second Velcro. 
     
     
         5 . The freely combined cube sofa according to  claim 1 , wherein a bottom of each of the two armrest frames is provided with a limit post; and the limit post comprises a rubber limit post with an adjustable height. 
     
     
         6 . The freely combined cube sofa according to  claim 1 , wherein the detachable skin is provided therein with a sponge. 
     
     
         7 . The freely combined cube sofa according to  claim 1 , wherein the seat cushion frame is provided therein with a seat cushion base plate. 
     
     
         8 . The freely combined cube sofa according to  claim 1 , wherein bottoms of the seat cushion frame, the two armrest frames, and the backrest frame are located at a same height. 
     
     
         9 . The freely combined cube sofa according to  claim 1 , wherein four bottom corners of the seat cushion frame are securely provided with sofa legs. 
     
     
         10 . A combination sofa, comprising a plurality of the freely combined cube sofa according to  claim 1 , wherein a plurality of seat cushion frames fit together to form a combined seat cushion frame; and each two adjacent seat cushion frames are securely connected through a connecting piece; and
 the combined seat cushion frame is strip-shaped, L-shaped, or C-shaped; and the combined seat cushion frame is correspondingly provided with one or more armrest frames, one or more backrest frames, one or more seat cushions, and one or more backrest cushions.   
     
     
         11 . The combination sofa according to  claim 10 , wherein each of the plurality of seat cushion frames comprises a top frame, a bottom frame, and four connecting rods; and four corners of the top frame and four corners of the bottom frame are securely connected in a one-to-one correspondence by the four connecting rods. 
     
     
         12 . The combination sofa according to  claim 10 , wherein the two sides of each of the plurality of seat cushion frames are provided with first pins, and middles of the one or more armrest frames are correspondingly provided with first pin holes;
 the back of each of the plurality of seat cushion frames is provided with a second pin, and a middle of each of the one or more backrest frames is correspondingly provided with a second pin hole; and   the first pins and the second pin extend vertically upwards from the top of each of the plurality of seat cushion frames, and are inserted in a fitted manner into the first pin holes and the second pin hole.   
     
     
         13 . The combination sofa according to  claim 10 , wherein a bottom of each of the one or more seat cushions is securely provided on the detachable skin of the plurality of seat cushion frames through a first Velcro; and a back of each of the one ore more backrest cushions is securely provided on the detachable skin of the one or more backrest frames through a second Velcro. 
     
     
         14 . The combination sofa according to  claim 10 , wherein a bottom of each of the one or more armrest frames is provided with a limit post; and the limit post comprises a rubber limit post with an adjustable height. 
     
     
         15 . The combination sofa according to  claim 10 , wherein the detachable skin is provided therein with a sponge. 
     
     
         16 . The combination sofa according to  claim 10 , wherein each of the plurality of seat cushion frames is provided therein with a seat cushion base plate. 
     
     
         17 . The combination sofa according to  claim 10 , wherein bottoms of the plurality of seat cushion frames, the one or more armrest frames, and the one or more backrest frame are located at a same height. 
     
     
         18 . The combination sofa according to  claim 10 , wherein four bottom corners of each of the plurality of seat cushion frames are securely provided with sofa legs.