Pipeline device of aspirator

The utility model discloses a pipeline device of an aspirator. The pipeline device comprises a puncture mechanism, a storage mechanism and a negative pressure mechanism. The puncture mechanism comprises a first tube and a puncture needle, and the puncture needle is arranged at one end of the first tube. The storage mechanism comprises a storage tube, a first plug and a second tube, the storage tube is provided with a tube opening, the first plug is used for sealing the tube opening, the end, away from the puncture needle, of the first tube penetrates through the first plug, and the second tube penetrates through the first plug. The negative-pressure mechanism comprises a negative-pressure bottle, a second plug, a third pipe and a negative-pressure assembly, the negative-pressure bottle is provided with a bottle opening, the second plug is used for sealing the bottle opening, one end of the third pipe is communicated with the negative-pressure bottle, the other end of the third pipe is connected with the secon