X and gamma dose rate instrument convenient to overhaul

The utility model discloses an X and gamma dose rate instrument convenient to overhaul, and relates to the field of radiation protection equipment. Comprising an environment probe, a dose rate instrument host and a clamping protection shell, the end of the environment probe is fixedly connected with a threaded connection end, the end of the environment probe is fixedly connected with the dose rate instrument host, and the clamping protection shell is fixedly clamped to the outer side of the dose rate instrument host. The clamping shell can avoid the problem that the use of equipment is affected by the fact that the screws and the plastic shell are slipped due to repeated disassembly and assembly, and when the structure is used, only the two matched adaptive shells need to be placed on the two sides of the dose rate instrument host and are positioned and installed through the internal limiting columns. The adaptive shells are pressed to enable the two adaptive shells to be clamped through the limiting clamping