Bag packaging gas replacement structure

Application (Patent) No. CN200420054850.1 Filing Date: 2004.12.28 Name: Bag Packing Gas Displacement Structure Disclosure (Announcement) No. CN2785978 Public (Announcement) Day: 2006.06.07 Main Classification Code: B65B31/02(2006.01)I Original application number: Classification number: B65B31/02(2006.01)I Date of grant: Priority: Application (patent) Person: Lu Jinyan Address: 215002 Chuangyuan Patent Office, South Hall, Science and Technology Building, No. 979, Renmin Road, Suzhou, Jiangsu Province Transferring Inventions (Designer): Lu Jinyan International Application: International Announcement: Entry into the Country Date: Patent Agency: Suzhou Chuangyuan Patent & Trademark Office Co., Ltd. Agent: Ma Mingdu Abstract A bag packaging gas replacement structure, including an openable type The airtight chamber is composed of an upper cover and a base assembled by sealing members. The airtight chamber is provided with an air inlet and an air inlet which are communicated with the indoor space, characterized in that the sealed room is provided with a pair of sealed upper and lower molds and a pair of Heat sealing upper and lower molds and a gas nozzle, sealing upper and lower molds and heat sealing upper and lower molds Column, wherein the two fixed lower mold, the upper mold and the two connected actuators; gas nozzle provided at the lower sealing die, and is connected via a conduit and a control valve with an external fresh air source. On the basis of the vacuum packaging machine, the utility model designs a bag packaging gas replacement structure suitable for foods and fruits and vegetables according to the gas replacement requirement of the bag packaging, and solves the problem of replacing the fresh gas in the bagged food and vegetables. Sovereignty Clause 1. A bag packaging gas replacement structure comprising an openable sealed chamber consisting of an upper cover and a base assembled by a sealing member, and the airtight chamber is provided with an air inlet and an air inlet communicating with the indoor space. The mouth is characterized in that: a pair of sealed upper and lower molds, a pair of heat sealing upper and lower molds and a gas nozzle are arranged in the sealed chamber, and the upper and lower molds are sealed and the upper and lower molds of the heat sealing are arranged side by side, wherein the two lower molds are fixed and the two upper molds and the stroke are executed The mechanism is connected; the gas nozzle is located at the mouth of the seal under the seal, and is connected with the external fresh air source via the pipeline and the control valve.