PURPOSE: A reverse movement preventing portable toilet is provided to be used in a stable and hygienic way.CONSTITUTION: A reverse movement preventing portable toilet comprises a container (110), a fixing member (120), a reverse movement preventing member (130), a cover member (140) and a urine inducing member (150). The container stores the urine of a user. The fixing member fixes the reverse movement member guiding urine. The reverse movement preventing member discharges the urine by the pressure of the urine. When the urine is not supplied, the reverse movement is prevented when the reverse movement member gets back to normal. The cover member is fixed to the upper part of the container. The urine inducing member accepts the reproductive organ of the user and induces the urine of the user to the container.COPYRIGHT KIPO 2013본 발명은, 용기부재로 흘러내리는 소변의 압력으로 배출안내면이 벌어지면서 출구가 개방됨과 아울러 소변의 공급이 중단되면, 배출안내면이 복원되어 출구를 폐쇄시켜 용기부재에 저장된 소변의 역류를 방지함과 아울러 소변의 역류를 방지함으로써, 안정적이면서도 위생적으로 사용할 수 있는 휴대용 소변기의 소변 역류방지장치에 관한 것이다.
