Sliding door and window locking device

The utility model discloses a sliding door and window locking device which comprises a first window sash, a second window sash, a first window frame and a second window frame, the first window sash ismatched with the first window frame, and the second window sash is matched with the second window frame. A crescent lock is arranged on the first window frame; according to the sliding door and window locking device, the hydraulic device and the electronic control device are additionally arranged, so that the sliding door and window locking device achieves the back locking function, and the potential safety hazard that a child randomly operates the crescent lock to open a door and a window, and consequently the child falls from a high altitude is prevented. 本实用新型公开了一种推拉门窗锁闭装置，包括第一窗扇、第二窗扇、第一窗框、第二窗框，所述第一窗扇配对第一窗框，所述第二窗扇配对第二窗框；在所述第一窗框上设置有一月牙锁，所述第二窗框上设置与所述月牙锁配合的锁钩，所述推拉门窗锁闭装置通过增加液压装置和电子控制装置，使所述推拉门窗锁闭装置实现反锁功能，防止孩童随意操作月牙锁导致门窗开启，造成孩童高空坠落的安全隐患。