Flow injection analyzer

The flow injection analyzer comprises a base, a sliding groove is formed in the upper end of the base, and a plurality of rubber pipes are connected to the lower end of the base; fixing the batten; the mounting plate is detachably connected to the interior of the sliding groove; the first strip-shaped groove is a circular hole; an elastic pull rod; the flow injection analysis mechanism is fixedly connected to the upper end of the mounting plate; the first buffer mechanisms are arranged on the two sides of the mounting plate respectively; the second buffering mechanism is connected to the groove bottom of the sliding groove; wherein a gap is formed between the mounting plate and the sliding groove, the lower end of the mounting plate abuts against the upper end of the second buffering mechanism, and the left end and the right end of the first buffering mechanism abut against the sliding groove and one side wall of the fixing strip plate correspondingly. The flow injection analysis mechanism has the beneficial