Positioning and fixing structure of function test equipment

The utility model discloses a positioning and fixing structure of function test equipment, relates to the technical field of function test equipment, and aims to solve the problems that common function test equipment in the prior art cannot be well attached to the bottom of an object when positioning and fixing the object to be tested, and the fixing effect of the bottom of the object to be tested is not good enough. A telescopic suction head is arranged above the bottom fixing device and is in sliding connection with the bottom fixing device, a fixing pipe is arranged in the bottom fixing device and is in sliding connection with the telescopic suction head, and a spring is installed in the fixing pipe; the telescopic suction head and the fixing pipe are fixedly connected with the spring, a first flow dividing pipe is installed in the bottom fixing device and fixedly connected with the bottom fixing device through a fastening screw, a second flow dividing pipe is installed at one end of the first flow dividin