ã€Patent Nameã€‘ Side-wall type automatic negative pressure sealing tank [Applicant] Zhou Qiling [Inventor] Zhou Qiling [Main Applicant Address] 350001 5th Floor, Gaojing Business Center, 158 Wuyi North Road, Fuzhou City, Fujian Province Fuzhou Cheng Lixin Network Technology Limited company [application number] 200520080206.6
ã€ Application Date ã€‘ 2005.01.16
[Examination and announcement number] 2767371
ã€ Validation announcement date ã€‘ 2006.03.29
[Main classification number] B65D81/20(2006.01)I
[Category Code] B65D81/20(2006.01)I B65D51/16(2006.01)I
ã€Sovereignty Itemsã€‘ 1. A sidewall type automatic negative pressure sealed can, including a can body (2) and a can lid (1), characterized in that a sidewall (3) is provided in the sidewall of the can lid, and the bottom of the groove A ventilation hole (8) is provided in the center, and a one-way vent valve (4) is installed in the recess in a movable manner. The one-way ventilation valve is a key-press sealing block (5) used to lift the valve body and used for the valve core. The airtight buckle (9) is composed of a pressure spring (7) for resetting, wherein the hollow guide rod (6) for the valve stem is fixed at the bottom of the key clamp pressure block (5) and passes through the hollow guide rod. The movable installation is installed in the ventilation hole (8) at the bottom of the groove, wherein the sealing gas plug 9 for the valve core is fixedly connected to the hollow guide rod (6), when the tank lid is pressed into the tank body, The inside of the press-push-type sealing press block, the sealing press block together with the hollow guide rod drives the air-closure buckle to move inwards, and the air-closure buckle releases the sealing of the ventilation hole at the bottom of the groove and the surrounding groove walls, and the air in the tank passes through the pass. The air vents are vented outward. When the piano-key sealing pressure block is released, the sealing pressure block is reset under the action of the compression spring. The bottom vent hole of the groove and the surrounding groove wall are sealed again by the sealing air stopper. When the cap is pressed to open the can lid, the interior of the can body will be in a negative pressure state, making it difficult to open the lid easily.
[Instructions CD-ROM] D0613-2
ã€Abstractsã€‘ A side wall type automatic negative pressure sealed tank is characterized in that a groove is formed in the side wall of the can lid, and a one-way vent valve is installed and installed in the recess to be movable. The one-way ventilation valve is formed by a piano key. The utility model is composed of a sealing pressure block, a sealing air lock buckle and a return compression spring, wherein a hollow guide rod is fixed at the bottom of the piano bond press block and is installed through a hollow guide rod to be installed in a vent hole at the bottom of the bottom of the groove. The air sluice is fixedly connected to the hollow guide rod. When the tank cover is pressed into the tank body, the piano-key sealing pressure block is pressed inward. The sealing pressure block together with the hollow guide rod drives the sealed air-seal buckle to displace inward. The sluice releases the sealing of the groove wall around the vent hole on the bottom of the groove, and the air in the can is exhausted through the vent hole to relax the sealing and pressing block. The sealing and pressing block is reset under the action of the compression spring, and the groove bottom vent hole and its The surrounding wall is re-sealed by the sealing airtight. When the cover is opened without pressing the sealing and pressing block, the cavity inside the tank will be in a state of negative pressure, so that the can lid cannot be easily opened, and the sealing effect is advantageously maintained. Compared with the sealed cans of the prior art, the structure of the utility model is simpler and more reasonable, the assembly and use are more convenient and faster, and the sealing effect is also very satisfactory.
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