US Patent 10520980 Plug-in module and smartboard

A plug-in module (100), has a first side face (110), a first elastic strip (10) and a first pull tab (20) provided at a same end of the first side face; the first elastic strip has an elongated shape, and is provided with at least one first limiting lug (11) on a first surface of the first elastic strip opposite to the first side face, an end of the first elastic strip located in close proximity to the first pull tab is referred to as an opposite end, another end of the first elastic strip is referred to as the distal end, and the distal end and the first side face are affixed together. The opposite end is provided with an elastic strip retraction head (12), and the elastic strip retraction head is provided in correspondence with the first pull tab. Further provided is a smartboard. The plug-in module can be conveniently plugged in and unplugged, simplifying user operations and improving user experience.