Electronic connector with good sealing performance

The invention proposes an electronic connector with a good sealing performance, and the electronic connector comprises a connecting end and a threaded butt joint block. The interior of the threaded butt joint block is provided with a core sleeve in butt joint with the connecting end. The connecting end comprises a connecting housing, a connector, a moving core, and a rotary knob handle. The interior of the connecting housing is provided with a cavity for accommodating a connector. The connecting housing is also provided with a butt joint groove connected with the threaded butt joint block. Thelower end of the connector is provided with a pin inserted into the core sleeve. The bottom surface of the connector is also provided with a dustproof and waterproof O-shaped sealing ring. The threaded butt joint block is externally provided with a rubber protection sleeve. The connector is simple and reasonable in structure. When the electronic connector is connected, the rubber protection sleeve and the O-shaped sealin