a thermos bottle stopper
A thermos bottle and plug core technology, applied in the field of bottle stoppers, can solve problems such as poor heat preservation effect, difficult processing of cork outer circle, hot steam leakage, etc., and achieve good heat preservation effect, good sealing performance and less heat loss.
Active Publication Date: 2019-08-20
郑子兰
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Problems solved by technology
[0002] Existing thermos bottle stoppers are all made of cork, which is processed into a circular shape from the outer circle of wood, and plugged in the mouth of the thermos bottle to seal the bottle mouth and prevent hot water from cooling. The disadvantage is that the outer circle of the cork is difficult to process to the same The size of the mouth of the water heating bottle is the same, so there will be a gap between the cork and the inner wall of the bottle mouth, and the hot steam will leak out, so the heat preservation effect is poor; at the same time, the cork is a solid shape, and the heat in the water heating bottle is easily transferred through the cork to the outside world, accelerating the heat loss inside the thermos
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[0013] according to figure 1 , figure 2 It can be seen that this kind of thermos bottle plug includes: upper cover 1, lower cover 5 and cork core 4, upper cover 1 is fixedly installed on the top of plug core 4 by threads, and a handshake block 16 is fixedly installed on the upper end of upper cover 1; lower cover 5 passes The thread is fixedly installed on the lower part of the plug core 4, an upper vacuum chamber 14 is formed between the upper cover 1 and the upper end surface of the plug core 4, and a lower vacuum chamber 11 is formed between the lower cover 5 and the lower end surface of the plug core 4; the external design of the plug core 4 There is a sealing rubber 3 with a circular cross-sectional shape. The upper end of the sealing rubber 3 forms a sealed connection with the upper cover 1, and the lower end of the sealing rubber 3 forms a sealed connection with the lower cover 5. The inner surface of the sealing rubber 3 and the outer circle of the plug core 4 form a ...
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The invention relates to a thermos bottle plug. The thermos bottle plug comprises an upper lid, a lower lid and a plug core, an upper vacuum cavity is formed between the upper lid and the upper end face of the plug core, and a lower vacuum cavity is formed between the lower lid and the lower end face of the plug core; sealing rubber of which the cross section is in a round shape is designed at the outer part of the plug core, and an expansion cavity is arranged between the inner surface of the sealing rubber and the outer circle of the plug core; an inner cavity is arranged inside the plug core, is provided with a partition plate capable of moving horizontally left and right, and is divided into a left cavity and a right cavity by the partition plate, the left cavity is internally provided with a left top rod, an anti-explosion device, a start and stop device and expansion liquid, the expansion liquid can enter the expansion cavity, by utilizing thermal expansion of the expansion liquid, the sealing rubber presses the inner wall of a thermos bottle hole to form sealing, and hot water vapor is prevented from leaking to the atmosphere. The thermos bottle lid has the advantages of being good in heat preservation and long in service life.
Description
technical field [0001] The invention relates to a cork, in particular to a cork for a thermos bottle. Background technique [0002] Existing thermos bottle stoppers are all made of cork, which is processed into a circular shape from the outer circle of wood, and plugged in the mouth of the thermos bottle to seal the bottle mouth and prevent hot water from cooling. The disadvantage is that the outer circle of the cork is difficult to process to the same The size of the mouth of the water heating bottle is the same, so there will be a gap between the cork and the inner wall of the bottle mouth, and the hot steam will leak out, so the heat preservation effect is poor; at the same time, the cork is a solid shape, and the heat in the water heating bottle is easily transferred through the cork to the outside world, accelerating the heat loss inside the thermos. Contents of the invention [0003] Aiming at the technical defects in the prior art, the invention provides a thermos ...
Claims
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IPC IPC(8): A47J41/00
Inventor 郑子兰
Owner 郑子兰