Assembled load sensor with high sealing performance

The utility model discloses an assembly type high-sealing-performance load sensor which comprises a base, a shell is arranged at the top of the base, a fixing ring is welded to the top of the base, the bottom of the inner wall of the shell is in threaded connection with the surface of the fixing ring, a butt joint disc is clamped to the top of the fixing ring, and the butt joint disc is in threaded connection with the surface of the fixing ring. Circuit boards are installed at the top and the bottom of the butt-joint disc, a positioning assembly is arranged at the top of the butt-joint disc, three arc-shaped positioning blocks are annularly welded to the top and the bottom of the butt-joint disc, and arc-shaped positioning holes matched with the arc-shaped positioning blocks are annularly formed in the surfaces of the circuit boards. According to the utility model, the butt joint disc and the fixing ring are matched for use, so that the two shells are stably clamped at the top of the base, then a user fixes t