Geomagnetic sensor with adjustable angle after installation

The utility model relates to the technical field of detection equipment, in particular to a geomagnetic sensor capable of adjusting an angle after installation, which comprises an installation ring, a placement groove is formed in the installation ring, a storage groove is formed in the inner side wall of the placement groove, a clamping block is connected to the inner wall of the storage groove in a sliding manner, and a shell is connected to the interior of the placement groove in a sliding manner. According to the utility model, by moving the housing and inserting the housing into the placing groove, the lantern ring can slide along the inner wall of the placing groove, the clamping block is squeezed and then is stored in the storage groove, and when the housing is completely inserted into the placing groove, the clamping block can be clamped into the clamping groove under the action of the spring for limiting, so that the effect of facilitating installation of the geomagnetic sensor is achieved; by starti