An electric height adjustable desk overcomes assembly cumbersomeness and inconvenience, optimizes product assembly structure and manner and facilitates assembly. The desk includes a frame and column, the frame including a crossbar and side board connected at each end of the crossbar, a column end portion with a chassis enclosure, an accommodation cavity on the crossbar, the chassis enclosure at least partially embedded in the accommodation cavity; a detachable first latch mechanism between the side board side surface and the chassis enclosure, the side board being detachably connected to the crossbar via the first latch mechanism; a detachable second latch mechanism is between the chassis enclosure and crossbar; a locking device is on the chassis enclosure, the locking device being locked on the crossbar to connect the first and second latch mechanism, the second latch mechanism is between the locking device and first latch mechanism.

An assembly-type outdoor table includes a table plate, an enclosure frame and table legs, where the table legs are arranged at four corners of the enclosure frame, the table plate and the enclosure frame are mounted in a matching manner, a filling seat is embedded in the enclosure frame, a fastening wall is arranged on the enclosure frame, an expansion wall for being attached to an inner side surface of the fastening wall is arranged on the filling seat, an expansion bolt penetrates through the filling seat from top to bottom, and the expansion bolt expands to make the expansion wall closely attached to the fastening wall.