Patent attributes
A switching valve includes a base including a bottom wall and a side wall that extends from the bottom wall of the base along a circumferential direction of the bottom wall, a body that can couple to the base to define a cavity between a bottom plate of the body and the bottom wall and the side wall of the base, in which the bottom plate includes two through holes that are each fluidly coupled to the cavity, two sliders disposed within the cavity, and two driving rods each movably coupled to one of the two through holes of the body, in which each driving rod can move relative to the two through holes to block or unblock each respective through hole. Each slider can slide responsive to movement of one of the two driving rods such that only one through hole is unblocked at one time.