Wire end connector with front plug-in mechanism and connector group thereof

The utility model provides a wire end connector with a front plugging mechanism and a connector group thereof, the connector group comprises a board end connector, the top side of the board end connector is provided with a butt joint part and at least one butt joint groove, the front side and/or the rear side of the board end connector are/is respectively provided with at least one butt joint hole, and each butt joint hole can be communicated with each butt joint groove; the wire end connector is provided with a plugging part and at least one plugging block, the plugging part is provided with a plugging port so as to be electrically connected with the butt joint part of the board end connector, and the plugging part is separated from each plugging block by a certain distance so as to respectively form a concave groove; the longitudinal length of each inserting block is larger than the longitudinal length of the inserting part, at least one inserting block is provided with a first locking piece, and the first