Pressure sensor

The utility model discloses a pressure sensor which comprises a base, the inner bottom wall of the base is fixedly connected with a pressure sensor body, the two sides of the upper surface of the pressure sensor body are fixedly connected with sleeves, the inner bottom walls of the sleeves are fixedly connected with springs, the upper ends of the springs are fixedly connected with sliding blocks, and the sliding blocks are fixedly connected with sliding blocks. A connecting rod is fixedly connected to the upper surface of the sliding block, a placing seat is fixedly connected to the upper end of the connecting rod, threaded rods are in threaded connection to the side walls of the two ends of the placing seat, bearings are fixedly connected to the inner ends of the threaded rods, and clamping plates are fixedly connected to the surfaces of the bearings. According to the utility model, the sleeve, the spring, the sliding block and the connecting rod are arranged, so that when an object to be measured is placed