Smoke testing instrument with lifting function

The invention discloses a smoke testing instrument with a lifting function. The smoke testing instrument with the lifting function comprises an outer shell, wherein a lifting rod penetrating through the outer shell and extending to the outer side of the outer shell is movably installed in the outer shell, a handle is fixedly installed at the top of the outer shell, a detection head is fixedly installed at the top of the lifting rod, a connecting pipe is fixedly installed on one side of the detection head, a smoke testing instrument main body is fixedly installed at one end of the bottom of theconnecting pipe, and positioning holes are formed in the front face of the outer shell. According to the smoke testing instrument with the lifting function, the structure is simple, using is convenient, the length of the lifting rod can be adjusted through a mode of extruding an press button and pulling the handle by an operator, and the effect of lifting and lowering the height of the detectionhead conveniently and the