THERMOS HAVING MULTIPLE HERMETICAL HEAT PRESERVATION STRUCTURES AND GLASS LINER EASY TO DISASSEMBLE AND ASSEMBLE

摘要

A thermos having multiple hermetical heat preservation structures that is easy to disassemble and assemble is provided. The thermos comprises a bottle cap, a fixing cap, a water seal piece, a seal ring, a glass liner and a bottle body with external bottle body opening threads and internal bottle body opening threads. The thermos is configured such that when the bottle body and the glass liner are connected in a matching manner, a lower surface of the seal ring makes contact with a bottle opening edge of the bottle body; the fixing cap and an inner top of the bottle cap are connected in a matching manner, and the water seal piece sleeves the fixing cap; when the bottle body and the bottle cap are connected in a matching manner, the water seal piece and a bottle opening of the glass liner are matched hermetically.