Clamping groove type photovoltaic module connecting piece

The utility model provides a clamping groove type photovoltaic module connecting piece, and relates to the technical field of photovoltaic module installation, the clamping groove type photovoltaic module connecting piece comprises a roof, roof panels and a photovoltaic panel, the connecting piece comprises a T code support, a base is fixed on the roof, a web plate is located between two adjacent roof panels, and a supporting head extends above the roof; the edge of the roof panel is bent upwards to form a leaning part, the edge of the leaning part is bent downwards to form a hook part, and the hook part is in lap joint with the T-code support. The fastener comprises a hasp which is inversely buckled on the two hook parts which are lapped in a staggered manner, so that the hook parts in the hasp can freely stretch out and draw back; the fastener further comprises a plurality of sets of abutting pieces, each abutting piece is provided with a first abutting face used for making the leaning part abut against the