Gas collecting device

The utility model discloses a gas collecting device which comprises a carrier, a tube body and a needle head, the carrier is horizontally arranged, the tube body is horizontally arranged on the carrier, the needle head is installed at one end of the tube body through a section of flexible thin tube, liquid is stored in the tube body and the flexible thin tube, the needle head is used for penetrating into a gas reaction device, and the needle head is used for collecting gas. Gas generated by the gas reaction device enters the flexible thin tube and the tube body through the needle head, part of liquid in the gas reaction device is discharged through the other end of the tube body to achieve gas collection, collection is convenient, the gas collection purity is high, and a trace amount of gas and a small amount of gas can be collected. 本实用新型公开了一种气体收集装置，包括载体、管体和针头，所述载体水平设置，所述管体水平设置在所述载体上，所述针头通过一段柔性细管安装在所述管体的一端，所述管体和柔性细管储有液体，所述针头用以刺入到气体反应装置中，所述气体反应装置产生的气体经所述针头进入到所述柔性细管和管体内，并将其内部的部分液体经所述管体的另一端排出以实现气体的收集，其收集方便，且气体收