A hinge for dishwasher doors, including a first element and a second element pivoted together and mutually movable in a tilting fashion, the first and second elements being fixable one to a frame and the other to a door of an electrical appliance to make the door movable with respect to the frame between a closed position and an open position, a lever connecting the first and the second element, an elastic element connected to the lever and capable of generating, with its own deformation, an elastic reaction force capable of at least partially compensating for the weight of the door during its opening or closing, as well as means for regulating the intensity of this elastic reaction force.

The present invention discloses a door and window switching mechanism with a stroke adjustment function, including a mounting panel, a stroke adjustment mechanism, and a transmission arm plate. The stroke adjustment mechanism includes a stroke bracket, a linear transmission component, a stroke adjustment assembly, and a mounting base. The stroke adjustment assembly consists of a transmission gear, a synchronous pulley, a driven pulley, a synchronous belt, and a sliding base. This invention is reasonable and structurally novel, featuring the ability to convert the rotational movement of the door or window into sliding movement. This allows the door or window to perform reciprocating movement along the installation surface during the opening and closing process, providing functions that prevent collision interference, reduce wear, prevent dust accumulation, and enhance aesthetics. It can be applied to vehicle doors and windows, conventional doors and windows, as well as products or electrical devices.