Plug -in power supply unit

The utility model discloses a plug -in power supply unit, deploy the portion of acceping of putting in the power supply pedestal with the grafting of plug -in plug when desiring to combine, the first block portion that makes the second block portion of grafting portion and the portion of acceping cooperatees fixedly, and the horizontal translation of buckle device on the order power supply pedestal, buckle device's sliding block is horizontal translation to separation point position and drive the first clamping part of its side department then, the second clamping part can easily be got into in the portion of acceping, the elastic element of right aft snap -fit device makes the horizontal translation of sliding block to buckle position, the first clamping part of interlock cooperatees fixedly with the second clamping part, when desiring to demolish then horizontal translation gliding piece can take out the plug -in plug, borrow this order the utility model discloses it to relax to reach tears the practical pr