| 摘要 |
Provided is a vacuum container for food. The vacuum container includes a body, a cover, a vacuum pump, and an inlet valve. The vacuum pump includes a cylinder, a piston, an opening/closing member, a spring, a packing, a ball, and a spring. The piston is inserted into the cylinder. The opening/closing member is provided at an upper part of the piston. The spring is provided at a lower part of the piston. The packing is formed at an outer surface of the piston. The ball is provided at an upper end surface of the inlet valve. The spring is provided at an upper part of the ball. |
