Improved measuring cylinder for drainage liquid

The utility model discloses an improved measuring cylinder for drainage liquid, relates to the technical field of medical equipment, and aims to solve the problems that when the drainage liquid is poured, a drainage bag needs to be put into the measuring cylinder, a hand stretches into the measuring cylinder to open a lower drainage tube of the drainage bag, the drainage bag needs to be held by hands all the time during operation, and the infection of nursing personnel is easily caused by direct contact with the drainage liquid; in addition, drainage liquid is splashed to the periphery in the process, and the surrounding environment and nursing personnel are polluted. According to the measuring cylinder with the funnel-shaped measuring cylinder cover, the soft valve capable of being opened and closed is arranged at the bottom of the measuring cylinder cover, drainage liquid can be prevented from being splashed out, smell diffusion of the drainage liquid is reduced, the drainage bag is supported so that streng