Movable central oxygen supply device

The utility model discloses a movable central oxygen supply device which comprises a fixing plate, a fixing frame is fixedly connected to the fixing plate, a plurality of locking plates are connected to one side of the fixing frame in a sliding mode, semicircular notches are formed between the fixing frame and the locking plates, and locking holes are formed in the positions, between the semicircular notches, of the fixing frame. A connecting plate and a handle are fixedly connected between the locking plates, locking blocks are vertically symmetrically and slidably connected into the connecting plate, one ends of the locking blocks face the handle, the other ends of the locking blocks face the upper side and the lower side, the locking blocks can be inserted into the locking holes, an adjusting rod is slidably connected to one side of the handle, and a connecting rod is connected between the adjusting rod and the locking blocks; and a spring is arranged between the adjusting rod and the handle. According to