Electric heating and refrigerating thermos cup with three layers of bottle liners
A thermos cup and electric heating technology, applied in the field of thermos cups, can solve the problems of inconvenient use and long time consumption of heating and cooling tools, and achieve the effect of being convenient to carry and use and reducing temperature transfer.
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[0020] A specific embodiment of an electric heating and refrigeration three-layer bottle liner thermos cup of the present invention is given below in conjunction with the accompanying drawings.
[0021] figure 1 It is a schematic diagram of an electric heating and refrigeration three-layer bottle liner thermos cup of the present invention, figure 2 For a longitudinal sectional view of an electric heating and refrigeration three-layer bottle liner thermos cup of the present invention, please refer to figure 1 and figure 2 As shown, an electric heating and cooling three-layer bottle liner thermos cup, an outer bottle 1 with the upper and lower ends connected through, and an inner bottle 2 is arranged in the outer bottle 1, and the outer surface of the upper and lower ends of the inner bottle 2 is surrounded by protrusions , when the upper and lower ends of the inner bottle 2 are attached to the inner wall of the outer bottle 1, the inner bottle 2 is sealed and connected with...
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