US2026000216A1PendingUtilityA1

Double-layer elastic unit structure configured to be assembled and disassembled and functional pad

73
Assignee: LENG LUHAOPriority: Jun 26, 2024Filed: Jun 5, 2025Published: Jan 1, 2026
Est. expiryJun 26, 2044(~17.9 yrs left)· nominal 20-yr term from priority
Inventors:LENG LUHAO
A47C 27/07A47C 23/002A47C 27/063A47C 27/065
73
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Claims

Abstract

A double-layer elastic unit structure includes a lower spring module and an upper spring module. The lower spring module includes lower spring members, and the upper spring module includes upper spring members. An insertion member is disposed on one spring member, and the other spring member includes an interface, and the insertion member and the interface form a detachable connection. The upper spring module includes a third connecting member(s) used for a pairwise connection between the upper spring members. The third connecting member(s) is disposed on ends of the upper spring members away, or the upper spring members are dependent and are not connected pairwise. The lower spring module includes a base, and the lower spring members are disposed on the base. The base is configured to be assembled and disassembled to an adjacent base.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A double-layer elastic unit structure configured to be assembled and disassembled, wherein:
 the double-layer elastic unit structure comprises a lower spring module and an upper spring module configured to be assembled and disassembled,   the lower spring module comprises a plurality of lower spring members,   the upper spring module comprises a plurality of upper spring members,   an insertion member is disposed on one spring member of each of the plurality of upper spring members and a corresponding one of the plurality of lower spring members,   the other spring member of each of the plurality of upper spring members and the corresponding one of the plurality of lower spring members comprises an interface,   the insertion member and the interface form a detachable connection,   the upper spring module comprises one or more third connecting members,   the one or more third connecting members are used for a pairwise connection between the plurality of upper spring members,   the one or more third connecting members are disposed on ends of the plurality of upper spring members away from a plug-in connection of the plurality of upper spring members with the plurality of lower spring members,   the lower spring module comprises a base,   the plurality of lower spring members are disposed on the base,   the base is configured to be assembled and disassembled to an adjacent base,   the double-layer elastic unit structure comprises connecting bodies,   the connecting bodies are configured for elastic deformation in a height direction,   the connecting bodies are formed by connecting the plurality of upper spring members and the plurality of lower spring members, and   radii of the connecting bodies are gradually expanded upwardly and downwardly from connections of the plurality of upper spring members and the plurality of lower spring members.   
     
     
         2 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 1 , wherein:
 the insertion member is a tapered protrusion,   the interface is a tapered concave cavity, and   the tapered protrusion is inserted into the tapered concave cavity.   
     
     
         3 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 1 , wherein:
 the plurality of upper spring members comprise upper tapered springs and fixed sleeves of the upper tapered springs,   the upper tapered springs are disposed in the fixed sleeves of the upper tapered springs, and   tapered small ends of the fixed sleeves of the upper tapered springs form a detachable connection with the plurality of lower spring members.   
     
     
         4 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 1 , wherein:
 the plurality of lower spring members comprise lower tapered springs and fixed sleeves of the lower tapered springs,   the lower tapered springs are disposed in the fixed sleeves of the lower tapered springs, and   tapered small ends of the fixed sleeves of the lower tapered springs form a detachable connection with the plurality of upper spring members.   
     
     
         5 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 1 , wherein the base and the plurality of lower spring members are integrated. 
     
     
         6 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 1 , wherein:
 the plurality of lower spring members are fixed to the base, or   the plurality of lower spring members are detachably connected to the base.   
     
     
         7 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 1 , wherein:
 a first slide rail is disposed on the base,   first slide seats are disposed on the plurality of lower spring members,   the first slide seats are disposed on ends of the plurality of lower spring members away from a plug-in connection of the plurality of lower spring members with the plurality of upper spring members, and   corresponding ones of the first slide seats and the first slide rail form a detachable draw-out assembly.   
     
     
         8 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 7 , wherein:
 a first draw-out opening is disposed on a first side of the base,   a buckling edge is disposed on a second side of the base,   a locking member is disposed at a position of the first draw-out opening, corresponding ones of the plurality of lower spring members slide into the first slide rail using corresponding ones of the first slide seats,   a first one of the corresponding ones of the plurality of lower spring members abuts the buckling edge, and   a last one of the corresponding ones of the plurality of lower spring members is locked to the locking member to enable the corresponding ones of the plurality of lower spring members to be fixed to the base.   
     
     
         9 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 8 , wherein:
 a first elastic protrusion is disposed at the position of the first draw-out opening,   edges of the first slide seats comprise first grooves, and   when the corresponding ones of the first slide seats slide into the first slide rail, the first elastic protrusion is buckled into a corresponding one of the first grooves, and the first elastic protrusion cooperates with the corresponding one of the first grooves to form the locking member.   
     
     
         10 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 1 , wherein:
 the one or more third connecting members are disposed on the ends of the plurality of upper spring members and are integrated with the plurality of upper spring members, and   the one or more third connecting members are arranged as buckling connections.   
     
     
         11 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 1 , wherein:
 each of the one or more third connecting members comprises first connectors and second connectors,   the first connectors and the second connectors are alternatively arranged on an edge of a corresponding one of the plurality of upper spring members,   a buckling groove is disposed on a first one of each of the first connectors and a corresponding one of the second connectors,   a second one of each of the first connectors and the corresponding one of the second connectors comprises an elastic buckling member,   when each of the first connectors on a first one of the plurality of upper spring members is connected to a corresponding one of the second connectors on a second one of the plurality of upper spring members, the elastic buckling member is placed in the buckling groove to form a locked connection, and   the elastic buckling member is pressed to enable the elastic buckling member to be separated from the buckling groove so as to release the locked connection.   
     
     
         12 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 11 , wherein:
 the first one of each of the first connectors and the corresponding one of the second connectors comprises an upper buckling plate and a lower buckling plate,   a gap is disposed between the upper buckling plate and the lower buckling plate,   the gap is configured to receive the elastic buckling member, and   the upper buckling plate comprises the buckling groove or the upper buckling plate and the lower buckling plate comprise the buckling groove.   
     
     
         13 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 12 , wherein:
 the second one of each of the first connectors and the corresponding one of the second connectors comprises an insertion plate,   the insertion plate is hollow and is connected to the elastic buckling member,   a protrusion is disposed on the elastic buckling member, and   when the elastic buckling member is buckled into the buckling groove, the protrusion abuts a bottom edge of the buckling groove.   
     
     
         14 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 1 , wherein:
 the one or more third connecting members form a corresponding one of fixed seats,   the plurality of upper spring members are disposed on the corresponding one of the fixed seats,   the plurality of upper spring members and the corresponding one of the fixed seats are integrated, and   two of the fixed seats are independent and are not connected or the two of the fixed seats are configured to be assembled to form a connection.   
     
     
         15 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 1 , wherein:
 the one or more third connecting members form a corresponding one of fixed seats,   the plurality of upper spring members are disposed on the corresponding one of the fixed seats,   the plurality of upper spring members are fixed to the corresponding one of the fixed seats or the plurality of upper spring members are detachably connected to the corresponding one of the fixed seats, and   the fixed seats are independent and are not connected pairwise or the fixed seats are configured to be assembled pairwise to form a connection.   
     
     
         16 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 15 , wherein:
 a second slide rail is disposed on the corresponding one of the fixed seats,   second slide seats are disposed on the plurality of upper spring members,   the second slide seats are disposed on the ends of the plurality of upper spring members away from the plug-in connection of the plurality of upper spring members with the plurality of lower spring members, and   corresponding ones of the second slide seats and the second slide rail form a detachable draw-out assembly.   
     
     
         17 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 16 , wherein:
 a second draw-out opening in correspondence with the second slide rail is disposed on the corresponding one of the fixed seats,   a locking member is disposed on the second draw-out opening, and   corresponding one of the plurality of upper spring members slide into the second slide rail using corresponding one of the second slide seats and are secured in the second slide rail using the locking member.   
     
     
         18 . The double-layer elastic unit structure configured to be assembled and disassembled according to  claim 17 , wherein:
 a second elastic protrusion is disposed at a position of the second draw-out opening,   edges of the second slide seats comprise second grooves, and   when the corresponding ones of the second slide seats slide into the second slide rail, the second elastic protrusion is buckled into a corresponding one of the second grooves, and the second elastic protrusion cooperates with the corresponding one of the second grooves to form the locking member.   
     
     
         19 . A double-layer elastic unit structure configured to be assembled and disassembled, wherein:
 the double-layer elastic unit structure comprises a lower spring module and an upper spring module configured to be assembled and disassembled,   the lower spring module comprises a plurality of lower spring members,   the upper spring module comprises a plurality of upper spring members,   an insertion member is disposed on one spring member of each of the plurality of upper spring members and a corresponding one of the plurality of lower spring members,   the other spring member of each of the plurality of upper spring members and the corresponding one of the plurality of lower spring members comprises an interface,   the insertion member and the interface form a detachable connection,   the plurality of upper spring members are independent and are not connected pairwise,   the lower spring module comprises a base,   the plurality of lower spring members are disposed on the base,   the base is configured to be assembled and disassembled to an adjacent base,   the double-layer elastic unit structure comprises connecting bodies,   the connecting bodies are configured for elastic deformation in a height direction,   the connecting bodies are formed by connecting the plurality of upper spring members and the plurality of lower spring members,   radii of the connecting bodies are gradually expanded upwardly and downwardly from connections of the plurality of upper spring members and the plurality of lower spring members, and   the connecting bodies are independent.   
     
     
         20 . A functional pad, wherein:
 the functional pad is assembled by multiple elastic unit structures, and   each of the multiple elastic unit structures is the double-layer elastic unit structure configured to be assembled and disassembled according to  claim 1 .   
     
     
         21 . The functional pad according to  claim 20 , wherein:
 the base and the adjacent base are configured to be assembled, and   the functional pad is assembled using the base and the adjacent base.

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