Electromagnetic mechanical type selective and sending device for coring gun

Te utility model relates to an oil field logging coring instrument, particularly to an electromagnetic mechanical type selective and sending device for a coring gun. An ignition transformer of the device is fixed with a protective casing through a screw; the protective casing is locked with a relay assembly through a lock nut; an ignition coil is mounted inside the relay assembly; a guiding seat is mounted at the lower end of the relay assembly; a deflector rod assembly is connected with the guiding seat through a locking screw; the lower end of the deflector rod assembly is mounted in an upper helical tooth spacing plate; a compression spring is mounted on the deflector rod assembly in a sleeving manner; the deflector rod assembly is connected with a guide rod; a contact assembly is fixed on deflector rods; both the deflector rod assembly and the contact assembly are connected with the lower end of the guide rod; the lower end of the protective casing is connected with the upper helical tooth spacing plate;