Vacuum protection fresh-keeping device

CN2785979

The vacuum protection fresh-keeping device consists of a suction pump and an air extraction cap. At the front end of the air pumping cylinder, there is an air nozzle integral with the air pumping cylinder. The piston and the piston rod are connected to the air pumping cylinder. The handle and the piston rod are integrated on the outside of the air pumping cylinder. The cap of the air pumping cap is an arched structure and is in the cap. The center of the body is provided with an air pumping channel used in conjunction with the air pumping nozzle. The air pumping channel has a hole at the top of the air pumping channel. The upper surface of the air pumping channel has a cover, and the edge of the cap body is integrated with the shoulder. The vacuum protection fresh-keeping device has a simple design structure, a low production cost and no power consumption. When used, the cap needs only to be put on the container mouth, the gas nozzle is inserted into the air pumping passage, and the vacuum handle can be achieved by pushing and pulling the handle, and the operation is convenient. .

Reprinted from: China Packaging News