This utility model discloses a two-way push-button switch, including a base, a top cover, a button, a waterproof ring, a connector, and a PCB board. Tactile switches are located on both sides of the PCB board, and adapter pressing heads are located on both sides of the button. The top cover covers the base. The key improvement lies in the following: the top cover has a raised rocker step on one side of the button, with a first
contact plane at the top of the rocker step contacting the top wall of the button; elastic retaining rings are located on both sides of the button, with a second
contact plane on the bottom surface of the retaining groove; and retaining steps are located on both sides of the top cover, with a third
contact plane on the bottom surface that adapts to the second contact plane; the rocker step, elastic retaining rings, and retaining steps are all located between the two pressing heads. This design uses multiple sets of planar
mating surfaces instead of traditional circular
mating surfaces, effectively limiting the
radial displacement of the button relative to the top cover, preventing the button from wobbling left and right, and ensuring the alignment accuracy between the pressing heads and the tactile switches; at the same time, it constrains the
button pressing trajectory, preventing accidental pressing caused by button tilting when pressing one side or the middle, and eliminating circuit malfunctions.