Domestic vacuum packaging machine of multi -gear

The utility model discloses a domestic vacuum packaging machine of multi -gear, including control circuit, vacuum tube way, evacuating device, take out real empty room and at least two the negative pressure switch that have different operating pressure values, evacuating device intercommunication vacuum tube way, vacuum tube say that the intercommunication takes out real empty room, the control circuit electricity is connected with an at least vacuum tube 0, burden pressure switch communicates vacuum tube respectively and says or take out real empty room, respectively bear pressure switch respectively the electricity connect in control circuit, when triggering corresponding control button or corresponding control command, the corresponding negative pressure switch of control circuit alternative alternative use is as current detecting element. The utility model discloses installing a plurality of negative pressure switch, selecting different negative pressure switch to control domesticvacuum packaging machine'