Sample collection device for bioengineering

The utility model relates to the technical field of bioengineering sample collection equipment, in particular to a bioengineering sample collection device which comprises a sampling pipe, a liquid outlet is correspondingly formed in the outer side of the sampling pipe, a pull cap is correspondingly arranged above the top of the sampling pipe, and a connecting rod is correspondingly arranged in thecenter of the bottom of the pull cap. The connecting rod penetrates through the top of the sampling pipe and extends into the sampling pipe to be provided with a rubber pad, a filtering pipe is correspondingly arranged at the bottom of the sampling pipe, and a filtering opening is correspondingly formed in the joint of the filtering pipe and the sampling pipe; a first filter disc, a second filterdisc and a third filter disc are sequentially arranged at the positions, located below the filter opening, in the filter pipe, and a connecting sleeve is correspondingly arranged at the bottom of thefilter pipe. Through the d