Removable connecting screw rod's antenna

The utility model provides a removable connecting screw rod's antenna, including antenna upper cover, connecting screw rod, gasket and nut, connecting screw rod is equipped with first screw rod and second screw rod, first screw rod and antenna upper cover threaded connection, the second screw rod be used for with a base threaded connection, gasket and nut are installed in proper order on the second screw rod. The utility model discloses a separation of connecting screw rod and bottom plate, connecting screw rod's one end size fixed and with antenna upper cover threaded connection, the other end then can be based on not unidimensional matching demand and change not unidimensional screw and bottom plate threaded connection, owing to when the size mismatches, can realize through change connecting screw rod, has reduced use cost for the use of antenna is more convenient. 本实用新型提供了种可更换连接螺杆的天线，包括天线上盖、连接螺杆、垫片和螺帽，所述连接螺杆设有第螺杆和第二螺杆，所述第螺杆与天线上盖螺纹连接，所述第二螺杆用于与底座螺纹连接，所述垫片和螺帽依次安装在第二螺杆上。本实用新型的连接螺杆与底板分离，连接螺杆的端尺寸固定并与天线上盖螺纹连接，另端则