Novel water-injection elastic cold compressing bag

The utility model discloses a novel water-injection elastic cold compressing bag which comprises a liquid storage chamber, a cold water preparation chamber, a condenser and a bag body. The liquid storage chamber is arranged above the cold water preparation chamber and fixedly connected with the cold water preparation chamber into a whole, and the liquid storage chamber is communicated with the cold water preparation chamber through a guiding pipe. The condenser is arranged on the inner wall of the cold water preparation chamber and provided with multiple metal condensing pipes, and a liquid outlet pipe is arranged on the side wall of the lower portion of the cold water preparation chamber. The bag body is of a rectangular sealed cavity structure, a soft rubber layer is arranged at the bottom of the bag body, an elastic planar separation layer is arranged in the bag body, and divides the bag body into an air storage cavity and a cold water cavity, the side wall of the cold water cavity is connected with the liquid outlet pipe, a return pipe is further connected to the side wall of the cold water cavity, and the tail end of the return pipe is communicated with the liquid storage chamber. The novel water-injection elastic cold compressing bag is compact in structure, easy to operate, convenient to carry, high in automation degree, and not limited by time and space in the using process, and a patient can use the cold compressing bag more comfortably.