Automatic pressure relief device for container

• Main Author: LIANG WENZHU
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2022
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; PACKAGES; PACKAGING ELEMENTS; PACKING; PERFORMING OPERATIONS; STORING; TRANSPORTING

The utility model discloses an automatic pressure relief device for a container, which comprises a shell with an inner cavity, and an air inlet and an air outlet which are communicated with the inner cavity are respectively arranged at two ends of the shell; a sliding plug is slidably arranged in the inner cavity; a first conical surface is arranged on the inner side of the air inlet on the shell; the caliber of the first conical surface is gradually increased in the air inlet direction of the air inlet; a second conical surface matched with the first conical surface is arranged on the sliding plug; and an elastic piece for driving the second conical surface to apply pressure to the first conical surface is arranged between the shell and the sliding plug. The automatic pressure discharging device for the container is arranged at the opening of the container, can play a sealing role at ordinary times, can discharge air pressure in the container in time once the air pressure in the container is too high, and is