Soxhlet extractor convenient to clamp and fix

The utility model relates to the field of detection equipment, and discloses a Soxhlet extractor convenient to clamp and fix, which comprises a shell, an extraction bottle arranged at the bottom of the shell, a condenser pipe vertically clamped above the extraction bottle, and an extraction pipe arranged between the condenser pipe and the extraction bottle and communicated with the condenser pipe and the extraction bottle, a clamping mechanism for clamping and fixing an extraction bottle in the water bath kettle and vertically fixing an extraction tube on the extraction bottle is arranged in the machine shell, the clamping mechanism comprises a cross rod and clamp assemblies vertically arranged on the cross rod at intervals, and each clamp assembly comprises a first clamp and a second clamp which are used for fixing the extraction bottle and the extraction tube respectively; a lead screw sliding table assembly capable of adjusting the height of the cross rod is arranged on the side wall of the cross rod and t