Invisible screen window locking device

The utility model discloses an invisible screen window locking device which comprises glass, a window edge, a screen window box, a screen window and a fixing mechanism, the glass is installed in the window edge to form a rectangular structure, the screen window box is installed at the top of the window edge, the screen window is installed in the screen window box, and the screen window can contract in the screen window box. The fixing mechanism is arranged on the inner side of the window edge and used for fixing the screen window. The clamping grooves are formed in the inner side wall of the window edge, the clamping tables clamped with the clamping grooves are arranged on the two sides of the screen window, a magnet type adsorption mode is replaced, the screen window can be locked throughthe locking mechanism when being pulled to the maximum degree, meanwhile, the number of the clamping tables and the number of the clamping grooves are multiple, the pull-down size of the screen window can be adjusted, and th