Medium-low-proportion alcohol fuel vapor pressure rapid testing device

The utility model relates to the field of alcohol fuel testing equipment, and discloses a medium-low proportion alcohol fuel vapor pressure rapid testing device which comprises a pipeline, a connecting block is fixedly installed on the top of the pipeline, a connecting pipe is fixedly installed on the top of the connecting block, and a measuring instrument is movably installed on the top of the connecting pipe. The measuring instrument comprises an upper shell and a lower shell, a plurality of damping columns are fixedly installed on the inner wall of the upper shell, and one side of each damping column is fixedly connected with an inner shell. According to the utility model, the plurality of groups of damping columns are arranged between the upper shell and the inner shell, the damping sponge is filled between the outer side of the inner shell and the inner wall of the upper shell, and the arc-shaped clamping plate and the compression springback columns are arranged between the inner shell and the instrument