Chromatograph furnace gate switch blocking device

The utility model discloses a chromatograph furnace gate switch blocking device, including the chromatograph, chromatographic one side is articulated to have the furnace gate, and fixed mounting has afixing base on the chromatograph, the fixing base is close to one side of furnace gate and has seted up the fixed slot, seted up the shifting chute on the top inner wall of fixed slot, fixed mountinghas a first spring on the top inner wall of shifting chute, the bottom fixed mounting of first spring has a movable plate, movable plate slidable mounting in the shifting chute, the bottom fixed mounting of movable plate has a plurality of fixture blocks, the top of movable plate is rotated and is installed the carriage release lever, on the carriage release lever is located to first spring housing, one side fixed mounting of furnace gate holds carrier seat, holds and has seted up the through -hole on the carrier seat, and slidable mounting has a picture peg in the through -hole, a pluralityof draw -in grooves have be