Earphone head clamping mechanism and bone conduction earphone

The utility model discloses an earphone head clamping mechanism and a bone conduction earphone. The head clamp mechanism comprises a head clamp and a connecting assembly. The head clamp mechanism is used for connecting earphone units. The connecting assembly comprises a first clamping piece and a connecting piece, and the earphone unit is directly or indirectly connected to the connecting piece. The first clamping piece comprises a first connecting rod, a first elastic piece and a first clamping head, the first connecting rod is connected to the head clamp, and the first elastic piece is connected with the clamping head and the first connecting rod. The connecting piece is provided with a clamping channel, and the side wall of the clamping channel is provided with a plurality of clamping parts which are arranged front and back. And the first clamping piece is inserted into the clamping channel, so that the first clamping head can be clamped on the clamping part, and the connection between the first clamping p