A liquid crystal panel sealing packing box and sealing device
A liquid crystal panel and packaging box technology, which is applied in packaging, sealing, transportation and packaging, etc., can solve the problems of liquid crystal panel water vapor damage, liquid crystal panel erosion, damage, etc., achieve the effect of low environmental protection cost and avoid panel damage
Active Publication Date: 2020-02-28
HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD
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Problems solved by technology
If the LCD panel passes through a humid place during transportation, especially during sea and water transportation, the LCD panel is easily eroded by the water vapor condensed in the packing box and causes damage
[0003] In the prior art, desiccant packs are often added to the packaging box of the LCD panel, but the use of the desiccant pack not only increases the transportation cost, but also pollutes the environment; at the same time, the drying time of the desiccant pack is limited, and it is easy to fail , therefore, the products in the package will always face the risk of being damaged by water vapor due to the failure of the desiccant package
[0004] Therefore, it is necessary to develop a packaging box for solving the problem of water vapor damage that liquid crystal panels face during packaging and transportation
Method used
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[0038] The present invention also provides a method for implementing automatic sealing of the liquid crystal panel sealed packaging box described in the above embodiments, including:
[0039] (1) After applying a pressure to the top cover that is engaged on the box and shrinking the elastic support for a certain distance, the air in the box is partially discharged through the exhaust hole. At this time, the The top cover satisfies the mechanical equilibrium formula E 1 : F+G=K m *L 1 , where F is the applied pressure, G is the gravity of the top cover, K m is the elastic coefficient of the elastic support, L 1 shrink distance for the elastic support;
[0040] (2) Seal the exhaust hole with the hole plug and remove the pressure. At this time, after the elastic support member rebounds for a certain distance, when the top cover meets the mechanical balance formula E 2 : G+(P 0 -P 2 )*S=K m *(L 1 -L 2 ), the top cover and the box are automatically sealed, wherein G is th...
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The invention provides an LCD panel sealed packaging box. The LCD panel sealed packaging box comprises a box body, a top cover, a sealing ring and elastic supporting pieces. The sealing ring is clamped between the box body and the top cover. The box body and the top cover are buckled and further sealed through the sealing ring. One ends in the elastic expansion directions of the elastic supportingpieces are fixedly connected to the box body or the top cover, and the other ends of the elastic supporting pieces abut against the top cover or the box body. When the box body and the top cover arebuckled with each other together, the elastic supporting pieces are in a compression state. The top cover is provided with an exhaust hole and a hole plug. According to the LCD panel sealed packagingbox, the low-pressure vacuum state can be formed in the box body easily and rapidly, the influence on an LCD panel by water vapor in the outside air is effectively avoided, the packaging safety of theLCD panel is improved and losses in the cargo delivering process are reduced. The invention further provides the application of the LCD panel sealed packaging box.
Description
technical field [0001] The invention relates to the technical field of display panel packaging, in particular to a liquid crystal panel sealed packaging box and its application. Background technique [0002] Although the LCD panel is a high-precision industrial product, it is not only fragile and fragile, but also sensitive to water vapor. If the LCD panel passes through a humid place during transportation, especially during sea and water transportation, the LCD panel is easily eroded by the water vapor condensed in the packing box and causes damage. [0003] In the prior art, desiccant packs are often added to the packaging box of the LCD panel, but the use of the desiccant pack not only increases the transportation cost, but also pollutes the environment; at the same time, the drying time of the desiccant pack is limited, and it is easy to fail , therefore, the products in the packaging box will always face the risk of being damaged by water vapor due to the failure of th...
Claims
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IPC IPC(8): B65D53/02B65D81/26B65D81/20
CPCB65D53/02B65D81/2038B65D81/266
Inventor 周明军
Owner HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD