Armrest structure of wheelchair bed

The utility model belongs to the technical field of wheelchairs, and particularly relates to an armrest structure of a wheelchair bed, which comprises a bottom frame, a seat frame arranged at the upper end of the bottom frame, a foot frame rotatably arranged at the front end of the seat frame, a backrest frame rotatably arranged at the rear end of the seat frame, mounting sleeves arranged on the bottom frame, an armrest frame arranged on the mounting sleeves, and mounting sleeves arranged at two ends of the armrest frame. The armrest frames are arranged on the two sides of the seat frame, rotating parts are arranged at the two ends of each armrest frame, the armrest frames can rotate around the rotating parts, each rotating part comprises a front rotating part and a rear rotating part, the front rotating parts and the rear rotating parts are arranged at the two ends of the mounting sleeves in a penetrating mode respectively, limiting pins are arranged at the rear ends of the mounting sleeves, limiting grooves