Laboratory vacuum suction filter device

The utility model provides a laboratory vacuum suction filter device, include relative up -down filter bowl, filter, and the filter membrane that sets up between filter bowl and filter press from both sides, filter bowl, filter, filter membrane press from both sides the three and pass through fixation clamp locking, the filter side connects gradually with rubber tube, suction filtration machine, cup joint on the filter flask bottom, establish a branch pipe on the rubber tube in addition, only installing on the branch pipe, gas presss from both sides. The utility model provides a pair of laboratory vacuum suction filter device through setting up fixation clamp, filter membrane clamp, can improve the membrane speed of trading. 种实验室真空抽滤装置，包括上下相对的滤杯、滤头、及设置在滤杯与滤头之间的滤膜夹，滤杯、滤头、滤膜夹三者通过固定夹锁紧；所述滤头侧端与橡皮管、抽滤机依次连接、底端套接在滤瓶上；橡皮管上另设支管，支管上安装有止气夹。本实用新型提供的种实验室真空抽滤装置，通过设置固定夹、滤膜夹，可提高换膜速度。