Module with self-locking function after insertion

The utility model relates to the technical field of terminals, in particular to a module with a self-locking function after insertion, which comprises a main body and at least one self-locking mechanism, the main body is provided with at least one guide seat, the guide seat is provided with a through hole, the self-locking mechanism comprises a screw rod, a pushing block and a locking block, the screw rod is in threaded connection with the through hole, and the pushing block is connected with the locking block. The locking block is located between the guide seat and the pushing block and provided with a receding hole, the screw rod is inserted into the receding hole, and the hole diameter of the receding hole is larger than the outer diameter of the screw rod; the locking block is provided with a first slope, the guide seat or the pushing block is provided with a second slope, the first slope abuts against the second slope, the screw is used for driving the pushing block to get close to or away from the guide