Communication tool to lock

The utility model provides a communication tool to lock, including lock core and mount pad, the lock core sets firmly on the mount pad, its characterized in that: still including the protective housing that can fall to coveing the lock core in self action of gravity down, be provided with articulated seat on the mount pad, the protective housing is established on the mount pad through the articulated cover of articulated seat and mount pad, protective housing shape and mount pad looks adaptation. Make its dustproof effect better, can combine the door handle function and simple structure. 本实用新型提供了种通信锁具，包括锁芯和安装座，所述锁芯固设在安装座上，其特征在于：还包括可在自身重力作用下下落遮盖锁芯的保护壳，所述安装座上设置有铰接座，所述保护壳通过铰接座与安装座铰接并罩设在安装座上，所述保护壳形状与安装座相适配。使其防尘效果更好，能够将门把手功能结合且结构简单。