Waterless urinal seal box

A waterless urinal sealing box relates to sanitary ware facilities. A sealing box is directly mounted below a conventional vertical-flushing-type urinal; the upper part of the sealing box is connected with a urine outlet pipe of the urinal through a filtering box cover while the lower part thereof is connected with a sewer through a urine overflow pipe; the sealing cover of the sealing box is buckled with the sealing box through a helical structure; the upper part of the sealing box is provided with a urine feeding pipe; the inside diameter of the urine feeding pipe is larger than the external diameter of the urination pipe of the urinal; a sealing washer is used for sealing; and the waterless urinal sealing box can prevent urine odor from entering into air, so that washing is not required after use. Particularly, the sealing box can be mounted below the conventional vertical-flushing-type urinal, the upper part of the sealing box is connected with the urine outlet pipe at the lower part of the urinal, and th