DOUBLE-LAYER ELASTIC UNIT STRUCTURE CONFIGURED TO BE ASSEMBLED AND DISASSEMBLED AND FUNCTIONAL PAD

原文（中国語）

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.