Bed body lifting mechanism and electric bed thereof

The utility model relates to the field of electric beds, in particular to a bed body lifting mechanism and an electric bed using the lifting mechanism. The bed body lifting mechanism is rotationally connected with the base and the bed body and lifts or descends the bed body. The bed body lifting mechanism comprises a lifting motor and an execution rod system, the lifting motor is rotationally connected with the execution rod system, the execution rod system is rotationally connected with the base and the bed body, and the execution rod system is pushed to rotate through the lifting motor, so that the bed body ascends or descends. The electric bed provided by the utility model not only has an integral lifting function, but also has all functions of the electric bed, and is further provided with the turnover bed foot plate and the detachable armrests, so that the electric bed provided by the utility model is particularly suitable for home nursing or old-age nursing institutions; the electric bed is a functional