Adjustable securing device

摘要

An adjustable securing device capable of tightly securing various sizes of plugs to a socket for use in an electric appliance is disclosed. The adjustable securing device includes a casing having a first receptacle for retaining the socket therein and a second receptacle adjacent to the first receptacle, a holder slidably mounted in the second receptacle of the casing and having one portion exposed from the casing for supporting and retaining various sizes of plugs, a resilient element disposed in the casing and having a first engaging element thereon, and a slider having a second engaging element for engaging with the first engaging element of the resilient element and slidably disposed under the holder for regulating and securing the position of the holder relative to the casing, thereby causing the various sizes of plugs to be tightly secured to the socket.