Windscreen wiper rubber strip connecting buckle for windscreen wiper and windscreen wiper

The utility model provides a windscreen wiper rubber strip connecting buckle for a windscreen wiper and the windscreen wiper, and relates to the technical field of windscreen wipers, the windscreen wiper rubber strip connecting buckle is used for being connected with a clamping groove in a supporting piece in a matched mode, the windscreen wiper rubber strip connecting buckle comprises a buckle body, and the buckle body is provided with a top plate and side plates arranged on the two sides of the top plate. The end, away from the top plate, of the side plate is bent inwards to form a guide plate, the side plate protrudes outwards to form a rigid supporting part used for abutting against the bottom face of the supporting piece for limiting, and the rigid supporting part does not have elastic deformation relative to the side plate. The buckle body is matched with the top plate through the rigid supporting part so as to abut against the supporting piece, and therefore the problem that an existing connecting buck