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The design use the swiping structure of the ballpoint pen,to make thorough changes through specific analysis and research:in the situation with no plug in,the socket is under the state of power off;after inserting,lines are connected ,and thanks to the mental sheets with elasticity,the plug is hard to be out.after charging completed,just press the plug,it is to be popping up automatically by the spring and meanwhile lines are cut.Pure mechanical structure and good interaction provide us with convenience and make it safer.
China University of Miningand Technology