Gun arrangement distance adjusting converter

The utility model relates to the technical field of medical equipment, in particular to a multi-pipette spacing adjusting converter which comprises a shell with a cavity, at least two sleeving parts used for being connected with corresponding multi-pipette needle tube heads in a sleeving mode are arranged at the top of the shell, the sleeving parts are located on the same vertical plane, the spacing between every two adjacent sleeving parts is the same, and the multi-pipette needle tube heads are located on the same vertical plane. First needle tube heads are arranged at the positions, corresponding to the sleeving parts, of the bottom of the shell, the first needle tube heads communicate with the corresponding sleeving parts through pipelines, the pipelines are located in the cavity, the first needle tube heads are located on the same vertical plane, and the distances between every two adjacent first needle tube heads are the same. The distance between every two adjacent first needle tube heads is different