A quick-cooling mug
A mother cup, rapid cooling technology, applied in drinking utensils and other directions, can solve the problems of small cooling range, low practicability and high processing cost, and achieve the effects of good cooling effect, increased cooling range and beautiful appearance.
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[0019] A mother-child quick-cooling cup provided in this embodiment includes a mother cup 1 and a child cup 2, the mother cup 1 is cylindrical, the upper end of the mother cup 1 is provided with a water inlet 101, and the water inlet 101 at the upper end of the mother cup 1 is provided with an end cover 4. There is a pressure relief valve 401 on the end cover 4, three first annular grooves 102 and two first annular bosses 103 are arranged on the outer circle of the female cup 1 from top to bottom, the first annular grooves 102 and The first annular bosses 103 are arranged at intervals, six sub-cups 2 are arranged in the circumferential direction of the mother cup 1, and the outer circle side of the sub-cup 2 is provided with two second grooves 201 and three second grooves from top to bottom. The boss 202, the second groove 201 and the second boss 202 are arranged at intervals, and the first annular groove 102 cooperates with the second boss 202, and the first annular boss 103 c...
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