The utility model discloses a kind of for sample detection box sample detection box sample collector, comprising: tube body component, for loading
diluent;
Pipe spoon component, it can be detachably installed on tube body component, to make its sampling end stretch into tube body component;The liquid outlet channel and back gas channel that are communicated with tube body component inside are provided in the
pipe spoon component, first
check valve and filter component are provided in the liquid outlet channel, the first
check valve is configured as only fluid from tube body component one-way flows out sample collector, second
check valve is provided in the back gas channel, the second check valve is configured as only fluid from sample collector outside one-way flows into tube body component;When the sample collector is inverted, external fluid is isolated by back gas channel and the liquid in tube body component and directly reaches the bottom of tube body component, solves the prior art in the art that sample liquid is mixed with a large number of bubbles and is added into sample detection box, improves sample detection precision.