Multifunctional sealing machine

A multifunctional sealing machine, comprising a base, a cover body and an air extraction mechanism, when the base and the cover body being in a combined state, an air extraction chamber being formed between the base and the cover body, the air extraction chamber being in communication with a first air inlet of the air extraction mechanism in the base, and the base and the cover body cooperating to clamp an object to be air extracted which extends into the air extraction chamber, wherein the multifunctional sealing machine further comprises a connector for external air extraction connection, the connector is movably connected to the base, a cavity channel in communication with an air inlet end of the air extraction mechanism is provided on the base, and a second air inlet of the cavity channel is located at the position where the connector is connected with the base;

• and the connector is provided with a first air outlet and a third air inlet in communication with an inner channel of the connector, and a position of the connector is adjusted relative to the base so that the first air outlet of the connector corresponds to the second air inlet of the cavity channel so as to be in a communication state or misaligned to disconnect communication.