The utility model relates to an anti lock cup, which belongs to a container, and mainly solves the problem that the note of the cup cover is difficult to open. The utility model comprises a cup body and a cup cover, wherein the cup cover is provided with a round hole, and a plug is arranged in the round hole. The utility model adopts the structure that the cup cover is provided with a circular hole for pressure relief, and the air can be communicated with the cup body before opening the cup cover to eliminate the negative pressure and avoid the lock of the cup cover.
【技术实现步骤摘要】
【技术保护点】
一种防锁死水杯,其结构包括杯体和杯盖,其特征是,所述的杯盖上设有一个圆孔,圆孔中设有一个塞子,所述的塞子通过转轴与杯盖活动连接。
【技术特征摘要】
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