Dual seal vacuum jar lid

Abstract

1. The name of the design product: double-layer sealed vacuum bottle cap. 2. The use of the design product: used as a bottle cap, matched with rubber plug and vacuum pump, can keep food fresh in the bottle. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: assembly 1 perspective view 1. 5. Other circumstances that need to be explained: the use state reference figure 1 is the use schematic diagram of assembly 1 and assembly 2 after being buckled, the use state reference figure 2 is the use schematic diagram of the two before being buckled (wherein: the orange part is the rubber plug, the white part is the bottle body, not in the protection range).

Images