Stably-assembled D-Tap connector

The utility model is suitable for the field of D-Tap connector equipment, and discloses a stably assembled D-Tap connector, which comprises a plug assembly, the plug assembly comprises a plug shell and a first power supply electrode piece, one side of the plug shell is provided with a connecting shell, and the first power supply electrode piece is located in the connecting shell; the socket assembly comprises a socket outer shell, a socket inner shell and a second power supply electrode piece; an assembling groove is formed between the socket outer shell and the socket inner shell, and the connecting shell can be fixed in the assembling groove; the second power supply electrode piece is fixed in the socket inner shell and is used for being connected with the first power supply electrode piece; wherein the socket inner shell is provided with a through hole, a clamping piece is arranged in the through hole, and the clamping piece penetrates out of the through hole to be connected with the connecting shell. The