Lock body and wheelchair bed with same

The utility model discloses a lock body and a wheelchair bed with the same, and the lock body comprises a locking device which comprises a locking piece and a first elastic piece, the locking piece can move between a locking position for locking a target object and an unlocking position for unlocking the target object, and the first elastic piece is used for driving the locking piece to move towards the locking position; the unlocking device comprises a fixing frame and a shifting piece, an open groove is formed in the fixing frame, a first position and a second position are defined in the open groove, the shifting piece is movably arranged in the open groove in a matched mode and connected with the locking piece, and the shifting piece can be switched between the first position and the second position; at the first position, the shifting piece drives the locking piece to be clamped at the unlocking position; and when the shifting piece retreats from the first position, the first elastic piece drives the lock