Plug connection structure of functional device e.g. scaffold, has mating portion that is inserted into openings, and is locked with locking portion

摘要

The plug connection structure (1,1a,1b) has a receiving unit (4) with a hollow space (9), that is provided with the walls (7,8). The openings (10,11) are formed in the receiving unit. A mating portion (2,2a,2b) is inserted into the openings. The mating portion in the openings is locked with a locking portion (3).