Vacuumizing sealing tank

A vacuumizing sealing tank, comprising a body and a cover;

• the body having an accommodating cavity with an upward opening;
• and the cover detachably installed on top of the body, covering and sealing the opening of the accommodating cavity;
• wherein the cover is provided with a vacuumizing device having an air bag configured to inflate and deflate with air and a deflating component, the vacuumizing device also having an air bag vacuumizing device that compresses the air bag to exhaust air in the accommodating cavity to achieve a vacuum state, and the deflating component deflating the accommodating cavity;
• and,
• wherein a top of the cover is concavely provided with an installation cavity, a bottom of the installation cavity is provided with a first air hole communicating the accommodating cavity;
• the vacuumizing device includes an air bag, a lower one-way valve, an upper one-way valve, a pressing button and a support spring;
• the air bag is pressably provided in the installation cavity, the air bag has a compression air cavity inside, and a top of the air bag is provided with a second air hole communicating the compression air cavity and outside;
• the lower one-way valve is provided in the first air hole to enable the accommodating cavity to communicate the compression air cavity in one way;
• the upper one-way valve is provided in the second air hole to enable the compression air cavity to communicate the outside in one way;
• the pressing button is provided on top of the air bag and in the installation cavity to enable the air bag to compress downward;
• and the support spring is provided in the compression air cavity to enable the air bag to be restored upwards.