Liquid outlet device for reagent kit

A liquid outlet device for a reagent kit, comprising:

• a spray pipe comprising:
• a spray pipe body provided with a spray hole extending along an axial direction of the spray pipe body;
• a plurality of blocking strips uniformly arranged on an inner wall of the spray hole, wherein each blocking strip extends along an axial direction of the spray hole, and a first end of each blocking strip is provided with a shoulder that extends towards a center of the spray hole;
• and
• a magnet bar arranged in the spray hole, wherein the magnet bar is movable along the axial direction of the spray hole in a space defined by a plurality of shoulders and the plurality of blocking strips;
• and
• a nozzle arranged at a first end of the spray pipe, comprising:
• an annular sleeve connected with the spray pipe body through threaded connection or clamped connection;
• an end plate provided at a first end of the annular sleeve;
• a nozzle pipe provided at a center of the end plate;
• a conical nozzle opening formed at a first end of the nozzle pipe, wherein a liquid channel communicable with an interior of the annular sleeve is formed in the nozzle pipe and the conical nozzle opening;
• and
• an annular blocking flange provided on the end plate, wherein the annular blocking flange surrounds the nozzle pipe to form an annular groove between the nozzle pipe and the annular blocking flange.