Combination device of back-row sleeper and seats of cab of truck

The utility model discloses a combination device of a back-row sleeper and seats of a cab of a truck. The combination device comprises the pair of seats arranged on the two sides of an engine hood, gaps are formed in the rear sides of the seats, and the side, away from the engine hood, of each seat is provided with an armrest. A pair of supports are arranged on the engine hood located between the seats, the supports are made of steel plates and connected with the engine hood to form a platform, a sleeper middle section is erected at the tops of the pair of supports, and the front side of the sleeper middle section is provided with a protection frame and a safety belt. The combination device further comprises plates which can be arranged in the gaps in the rear sides of the seats to serve as backrests and can be erected on the supports and the armrests to serve as sleeper end sections. The combination device has the advantages that according to the technical scheme, the combination device is simple in structur