Assembling component for mounting household central air conditioner

An assembling component for mounting a household central air conditioner comprises a cover plate and a clamping plate. A convex mounting seat is arranged on the cover plate; openings are formed in the middle parts of the cover plate and the mounting seat; the clamping plate is arranged on the central air conditioner; a plurality of mounting grooves are formed in the periphery of the mounting seat, and a locking piece is arranged in each mounting groove; a slot is formed in the cover plate; the locking piece comprises a contact ball, a connecting rod, a rotating shaft, a sliding seat and a contact plate; inwards-sunken sliding grooves are formed in the inner walls of the two sides of the mounting groove. The sliding seat slides up and down along the sliding chute; the rotating shaft is arranged at the top of the sliding seat; the connecting rod is arranged on the rotating shaft and is rotationally connected with the rotating shaft; the contact ball is arranged at the end of the connecting rod; the contact plat