Chassis assembly and air conditioner

The invention provides a chassis assembly and an air conditioner. The chassis assembly comprises a lower chassis and an upper chassis, wherein the upper chassis can be detachably mounted on the lower chassis; the upper chassis and the lower chassis are connected by a concave-convex splicing structure; the concave-convex splicing structure extends along a connection part of the upper chassis and the lower chassis to seal a gap between the upper chassis and the lower chassis. By adopting the technical scheme of the embodiment, because the upper chassis and the lower chassis are connected by the concave-convex splicing structure, the concave-convex splicing structure extends along the connection part of the upper chassis and the lower chassis, and a gap formed between the upper chassis and the lower chassis is sealed by the concave-convex splicing structure. By adopting the technical scheme, through the concave-convex splicing structure, the sealing of the gap formed between the upper chassis and the lower chassis can be realized, a complicated sealing process in a conventional sponge adhesion way is eliminated, and the manufacturing of the air conditioner is simplified.