Telescopic manual sampling clamp

The utility model discloses a telescopic manual sampling clamp, and aims to provide a sampling clamp which is convenient to use and store. The clamp comprises a clamp body, a pull rope, an inner tube, a pull rod device, a sliding pin assembly, an outer tube, a fixed seat assembly, a connecting rod, a handle seat and a handle, one end of the outer pipe is called a left end, and the other end is called a right end; the left end of the inner pipe is inserted into the right end of the outer pipe and can telescopically move relative to the outer pipe; the clamp body comprises a fixed clamp block, a movable clamp block hinged to the fixed clamp block through a pin and a torsional spring arranged on the pin in a sleeving mode. The operation end of the fixed clamping block is fixedly connected with the right end of the inner pipe; the pull rod device comprises a sliding block which is arranged in the right end of the inner pipe in a sleeved mode and can move relative to the inner pipe, a pull strip which is connected