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防漏瓶 / leakproof bottle

防漏瓶

Design illustration:
1 When two coincident holes are open, press and then users can use it.
2 When two opposite holes are closed, prevent leakage.
Adding an above figure of a controlled switching device, which has two raised bars, being used to check the hole, in order to solve the problem of leakage.

University

Xi''an University of Science and Technology

Xi''an University of Science and Technology
XI''AN, China

Design

Xi''an University of Science and Technology

Xi''an University of Science and Technology
XI''AN, China