Hidden supporting wall type half-surrounded sleeping berth for railway vehicle

The hidden supporting wall type half-surrounding sleeping berth for the railway vehicle comprises a berth cushion, an upper mask, a sleeping berth framework, an armrest outer frame, an armrest framework, an installation corner connector, a lower mask and a buckling cover; the sleeping berth framework is of an integrated welding structure and is of a ship-shaped structure, wherein one face of the sleeping berth framework is open, and the other three faces of the sleeping berth framework are provided with vertical surrounding plates. Compared with the prior art, the sleeping berth framework has the advantages that sound insulation and noise reduction can be conducted on the head position of a passenger through the vertical coaming and the upper mask and the lower mask which are bonded, and the temperature difference of the body contact portion of the passenger is reduced; meanwhile, six connecting holes are formed in a vertical coaming, a mode that the vertical coaming penetrates through a wall board structure