Backrest device

The utility model relates to the technical field of waist and back supporting, in particular to a backrest device. The backrest device comprises a back plate and two supporting plates, the two supporting plates are arranged in a left-right spaced mode and connected with the back plate through buffering parts respectively, the backrest device further comprises a soft cushion, the shape of the soft cushion is matched with that of the supporting plates, the soft cushion covers and is fixed to the front sides of the supporting plates, and the soft cushion is a three-dimensional fiber cushion or a TPE foaming cushion. In the using process, the backrest device is attached to the back of a user, wrapping supporting is provided for the user, and the using comfort is improved by arranging the soft cushion. And when the soft cushion is a three-dimensional fiber cushion, the soft cushion also has better ventilation and heat dissipation effects. 本实用新型涉及腰背部支撑技术领域，尤其涉及一种背靠装置。该背靠装置包括背板和两个支撑板，两个支撑板呈左右间隔设置，且分别通过一缓冲部与背板连接，还包括软