A switch device includes a movable terminal including a snap action mechanism that bends a spring when a user moves an operating portion, a first fixed terminal that contacts the movable terminal when the spring is not bent, and a second fixed terminal that contacts the movable terminal when the operating portion is moved by a specified amount to bend the spring. The second fixed terminal includes a portion machined into a fixed contact that contacts the movable terminal.

A switch device includes a movable terminal including a snap action mechanism that bends a spring when a user moves an operating portion, a first fixed terminal that contacts the movable terminal when the spring is not bent, and a second fixed terminal that contacts the movable terminal when the operating portion is moved by a specified amount to bend the spring. The second fixed terminal includes a portion machined into a fixed contact that contacts the movable terminal.

The disclosure discloses a knob type waterproof optical controller with a snap provided by the disclosure including a base and a cover, the base and the cover are threadedly connected to each other, and between the base and the cover, a snap structure for restricting relative rotation therebetween is provided, and with the snap structure, the base and the cover may be clamped and prevented from being retreated after being threadedly connected to each other, so as to prevent the optical controller structure from loosening during use, and the sealing gasket and the sealing retaining ring cooperate with each other, which may greatly improve the waterproof effect of the optical controller.

The disclosure discloses a knob type waterproof optical controller with a snap provided by the disclosure including a base and a cover, the base and the cover are threadedly connected to each other, and between the base and the cover, a snap structure for restricting relative rotation therebetween is provided, and with the snap structure, the base and the cover may be clamped and prevented from being retreated after being threadedly connected to each other, so as to prevent the optical controller structure from loosening during use, and the sealing gasket and the sealing retaining ring cooperate with each other, which may greatly improve the waterproof effect of the optical controller.

A starting key apparatus of a vehicle includes: a housing including a stopper protrusion at an inner wall of the housing; a starting key rotating part installed in an end of the housing and in which a starting key is inserted; an ignition switch installed at another end of the housing and configured to start an engine; and a connection shaft provided in the housing and configured to connect the starting key rotating part to the starting switch, wherein the connection shaft includes: a shaft body rotated based on a shaft; a blocking lever installed in a cut groove of the shaft body to be rotated based on a hinge shaft; and a spring configured to connect the shaft body to the blocking lever to provide an elastic force to the blocking lever.

A starting key apparatus of a vehicle includes: a housing including a stopper protrusion at an inner wall of the housing; a starting key rotating part installed in an end of the housing and in which a starting key is inserted; an ignition switch installed at another end of the housing and configured to start an engine; and a connection shaft provided in the housing and configured to connect the starting key rotating part to the starting switch, wherein the connection shaft includes: a shaft body rotated based on a shaft; a blocking lever installed in a cut groove of the shaft body to be rotated based on a hinge shaft; and a spring configured to connect the shaft body to the blocking lever to provide an elastic force to the blocking lever.

A starting key apparatus of a vehicle includes: a housing including a stopper protrusion at an inner wall of the housing; a starting key rotating part installed in an end of the housing and in which a starting key is inserted; an ignition switch installed at another end of the housing and configured to start an engine; and a connection shaft provided in the housing and configured to connect the starting key rotating part to the starting switch, wherein the connection shaft includes: a shaft body rotated based on a shaft; a blocking lever installed in a cut groove of the shaft body to be rotated based on a hinge shaft; and a spring configured to connect the shaft body to the blocking lever to provide an elastic force to the blocking lever.