Saliva sampling device for perinatal depression research

The utility model discloses a saliva sampling device for perinatal depression research, which comprises a sleeve, a cross rod is arranged in the sleeve, one end of the cross rod is provided with a sampling part, one end of the cross rod far away from the sampling part is provided with an isolation sleeve, and the other end of the cross rod far away from the sampling part is provided with a sampling part. A cover body connected with the sleeve is installed at the end, close to the sleeve, of the isolation sleeve, the inner wall of the cover body is in clearance fit with the outer wall of the transverse rod, and an elastic piece is arranged on the outer wall of the transverse rod. The saliva sampling device for the perinatal depression research is relatively simple and reasonable in overall design structure, low in production cost, small in operation difficulty and suitable for popularization and use, and realizes that the sampling part is pushed out of the sleeve through the cross rod during sampling through c