Elastic module, elastic pad, and furniture

Abstract

An elastic module, the elastic module includes upper springs, lower springs, and connection modules, first connection portions are disposed on bases of the upper springs and upper covers of the lower springs, the first connection portions are connected to second connection portions disposed on upper end surfaces and lower end surfaces of the connection modules to connect the upper springs and the lower springs to form elastic units, the upper springs and the lower springs are pre-compression springs wrapped in flexible sleeves, third connection portions are disposed on side surfaces of the connection modules, and multiple of the elastic units are connected to form the elastic module by the third connection portions.

What is claimed is: 
     
         1 . An elastic module, comprising:
 upper springs,   lower springs, and   connection modules, wherein:
 first connection portions are disposed on bases of the upper springs and upper covers of the lower springs, 
 the first connection portions are connected to second connection portions disposed on upper end surfaces and lower end surfaces of the connection modules to connect the upper springs and the lower springs to form elastic units, 
 the upper springs and the lower springs are pre-compression springs wrapped in flexible sleeves, 
 third connection portions are disposed on side surfaces of the connection modules, and 
 multiple of the elastic units are connected to form the elastic module by the third connection portions. 
   
     
     
         2 . The elastic module according to  claim 1 , wherein:
 the first connection portions disposed on the bases of the upper springs and the upper covers of the lower springs are buckles,   the second connection portions disposed on the upper end surfaces and the lower end surfaces of the connection modules are buckling grooves, and   the buckles cooperate with the buckling grooves.   
     
     
         3 . The elastic module according to  claim 2 , wherein:
 the buckling grooves comprise first portions into which the buckles are buckled and second portions in communication with the first portions and extending along circumferential directions of the connection modules,   a pair of the buckles are disposed on each of the bases of the upper springs and the upper covers of the lower springs,   the buckles inserted into first portions of the buckling grooves rotate towards the second portions of the buckling grooves, and   the buckles fit with the second portions of the buckling grooves.   
     
     
         4 . The elastic module according to  claim 1 , wherein:
 the third connection portions are disposed with insertion members and grooves disposed on a same side of the connection modules,   elastic arms extending outward into the grooves are disposed on the insertion members,   one of the insertion members on a first one of the third connection portions of the elastic units is inserted into a corresponding one of the grooves on a second one of the third connection portions of the elastic units, and one of the insertion members on the first one of the third connection portions of the elastic units elastically abuts a corresponding one of the elastic arms on the second one of the third connection portions of the elastic units and fits a corresponding one of wall surfaces of the grooves on the second one of the third connection portions of the elastic units.   
     
     
         5 . The elastic module according to  claim 4 , wherein:
 positioning portions are disposed on the wall surfaces of the grooves, and   protrusion blocks configured to cooperate with the positioning portions are disposed on the insertion members.   
     
     
         6 . The elastic module according to  claim 1 , wherein:
 the bases of the upper springs and the upper covers of the lower springs comprise outer compression rings and inner fixing rings,   the inner fixing rings are disposed inside the flexible sleeves and fit wires of the upper springs and the lower springs,   the outer compression rings are disposed outside the flexible sleeves,   the inner fixing rings and the outer compression rings are nested to enable the flexible sleeves to be clamped, and   the first connection portions are disposed on the outer compression rings.   
     
     
         7 . The elastic module according to  claim 6 , wherein:
 the inner fixing rings comprise outer ring walls and inner rings extending inwardly from the outer ring walls,   the outer compression rings comprise inner ring walls and outer rings extending outwardly from the inner ring walls,   the inner rings of the inner fixing rings abut the inner ring walls of the outer compression rings, and   the outer rings of the outer compression rings abut the outer ring walls of the inner fixing rings.   
     
     
         8 . The elastic module according to  claim 1 , wherein:
 the upper springs and the lower springs are tapered springs,   small end-surface rings of the tapered springs are connected to the bases of the upper springs and the upper covers of the lower springs by detachable structures,   large end-surface rings of the tapered springs abut and support the flexible sleeves with preset initial compression forces, and   diameters of the small end-surface rings of the tapered springs are smaller than diameters of the large end-surface rings of the tapered springs.   
     
     
         9 . The elastic module according to  claim 8 , wherein:
 the detachable structures are fastening grooves disposed on the bases of the upper springs and the upper covers of the lower springs.   
     
     
         10 . The elastic module according to  claim 1 , wherein:
 the third connection portions comprise first connection structures and second connection structures, and   the first connection structures and second connection structures are disposed on adjacent side surfaces of the third connection portions.   
     
     
         11 . The elastic module according to  claim 10 , wherein:
 insertion members used as the first connection structures are disposed on the third connection portions,   the third connection portions comprise sockets used as the second connection structures, and   one of the insertion members on a first one of the connection modules is connected to a corresponding one of the sockets on a second one of the connection modules by a male-female connection to realize a connection between the elastic units.   
     
     
         12 . The elastic module according to  claim 11 , wherein:
 buckling structures are disposed on the insertion members,   the buckling structures form positioning fit with side walls of the sockets,   the buckling structures have elasticities,   release members configured to push the elasticities of the buckling structures are disposed on positions of the side walls of the sockets corresponding to the buckling structures, and   the release members are pressed to drive buckling structures to release the positioning fit with the sockets to achieve a disassembly of adjacent ones of the elastic units.   
     
     
         13 . The elastic module according to  claim 12 , wherein:
 the buckling structures are protrusion blocks disposed on upper sides of the insertion members, and   upper side walls of the sockets comprise spaces into which the protrusion blocks are inserted to achieve the positioning fit of the buckling structures and the sockets.   
     
     
         14 . The elastic module according to  claim 12 , wherein:
 the buckling structures are protrusion blocks disposed on both sides or a single side of the insertion members, and   the release members and the side walls of the sockets form spaces into which the protrusion blocks are buckled to achieve the positioning fit of the buckling structures and the sockets.   
     
     
         15 . The elastic module according to  claim 11 , wherein:
 the insertion members are T-shaped protrusions,   the sockets are concave holes,   push buttons configured to move up and down in a vertical direction are sleeved over the concave holes,   the push buttons comprise buckling holes corresponding to the concave holes,   position-limiting holes with diameters smaller than that of the buckling holes are disposed on upper sides of the buckling holes,   one of the T-shaped protrusions on a first one of the connection modules of the elastic units passes through a corresponding one of the buckling holes on a second one of the connection modules of the elastic units and is buckled into a corresponding one of the concave holes on the second one of the connection modules of the elastic units, and   a corresponding one of the push buttons on the second one of the connection modules of the elastic units is pressed until the one of the T-shaped protrusions on the first one of the connection modules of the elastic units is locked by the corresponding one of the buckling holes on the second one of the connection modules of the elastic units, enabling the elastic units to be connected to each other.   
     
     
         16 . The elastic module according to  claim 11 , wherein:
 the insertion members are protrusions,   the sockets are grooves,   knobs are sleeved over the grooves,   the knobs comprise spaces through which the protrusions are buckled into the grooves, and   the knobs rotate until the protrusions are locked, enabling the elastic units to be connected to each other.   
     
     
         17 . The elastic module according to  claim 1 , wherein:
 the third connection portions comprise first connection structures and second connection structures,   the first connection structures and the second connection structures are disposed on different ones of the elastic units respectively, and   one of the first connection structures on a first one of the elastic units is connected to a corresponding one of the second connection structures on a second one of the elastic units to achieve a connection of the elastic module.   
     
     
         18 . The elastic module according to  claim 17 , wherein:
 the first connection structures are configured to be insertion members,   the second connection structures are configured to be sockets,   the insertion members are connected to the sockets in male-female connections to achieve a connection between the elastic units,   the insertion members are rotatable protrusions,   the sockets are concave holes,   when the rotatable protrusions rotate to be misaligned with the concave holes, the first connection structures are connected to the second connection structures, and   when the rotatable protrusions rotate to be aligned with the concave holes, connections of the first connection structures and the second connection structures are released.   
     
     
         19 . An elastic pad, comprising:
 an additional surface layer, and   the elastic module according to  claim 1 , wherein:   the additional surface layer is configured to be laid on the elastic module.   
     
     
         20 . The elastic pad according to  claim 19 , wherein:
 flexible bands are disposed on a periphery of the additional surface layer at intervals,   first ends of the flexible bands are fixedly connected to the additional surface layer,   second ends of the flexible bands are connected to insertion buckling seats, and   the insertion buckling seats are buckled to corresponding ones of the third connection portions on a periphery of the elastic module to fix the additional surface layer.   
     
     
         21 . Furniture, wherein the furniture comprises the elastic module according to  claim 1 .