Plug-in frame clamping mechanism

The utility model discloses an inserting frame clamping mechanism which comprises a clamping fixed piece and a clamping movable piece, the clamping end of the clamping fixed piece and the clamping end of the clamping movable piece are oppositely arranged, the two sides of the tail end of the clamping fixed piece extend upwards to form first connecting parts, the two sides of the middle of the clamping movable piece extend downwards to form second connecting parts, and the first connecting parts are connected with the second connecting parts. The first connecting part is hinged to the second connecting part through a first rivet, the first rivet is sleeved with a torsional spring, one end of the torsional spring abuts against the top face of the clamping fixed piece, the other end of the torsional spring abuts against the bottom face of the clamping movable piece, and the tail end of the first connecting part extends outwards to form a first part fixing part matched with the plug-in frame. The plug-in frame cl