Laparoscope smoke exhaust device capable of controlling exhaust speed

The utility model belongs to the technical field of medical instruments, and discloses a laparoscope smoke exhaust device capable of controlling exhaust speed, which comprises an exhaust bag, a first conveying pipe is fixedly arranged in the middle of the top of the exhaust bag, a fixing clamp is arranged at the left end of the upper part of the exhaust bag, and a drainer is fixedly arranged at the bottom of the exhaust bag. And an exhaust device is fixedly mounted at the right end of the top of the exhaust bag. Through the cooperation of the filtering device, the infusion regulator, the second conveying pipe and other structures, a roller on the infusion regulator can be controlled to move up and down when smoke is transmitted, so that the second conveying pipe is compressed, and then the smoke discharging speed is controlled; carbon dioxide in smoke can be absorbed through the arranged filtering device and an internal activated carbon ball, the carbon dioxide can be further absorbed through an activated car