External vehicle-mounted antenna mounting mechanism

The utility model discloses an external vehicle-mounted antenna mounting mechanism. The external vehicle-mounted antenna mounting mechanism is mounted in a vehicle roof and comprises a base, an elastic piece and a mounting piece, the base is of a plate-shaped structure, one end face of the base is connected with an external vehicle-mounted antenna, and the other end face of the base is provided with a connecting base. The mounting piece is matched with the connecting seat in shape, is connected to the connecting piece in a sleeving manner, and is used for being fixedly connected with an external vehicle roof. A plurality of limiting grooves are formed in the peripheral side of the mounting part and used for limiting the elastic part in the limiting grooves, and then the elastic part is connected with the mounting part. The external vehicle-mounted antenna mounting structure is suitable for circular metal plate mounting holes, the circular metal plate mounting holes are very convenient to machine, and the exte