The invention belongs to the technical field of
backup mirrors, and particularly provides a dustproof defogging
backup mirror for an automobile. The dustproof defogging
backup mirror comprises a firstair inlet, a lens fixing plate, a lens heating plate, a buffer
cushion, a second air inlet, a frame, a dustproof protection flexible steel plate fixing shaft, a dustproof protection flexible steel plate clamping groove, a dustproof protection flexible steel plate, a lens, a lens protection
cushion, a heating positive
electrode, a heating negative
electrode, a
winch drive motor, a supporting roller, a bearing, a dustproof protection fixing column, a cover plate and a hinge. The
winch drive motor controls the dustproof protection flexible steel plate to move along a sliding groove, a sealed space is formed on the periphery of the lens when the automobile is not used, and
contamination of dust to the lens is avoided.
Wind power is transmitted above and below the lens through the first air inlet and the second air inlet in the driving process of the automobile to clean away dust on the surface of the lens, when the temperature is reduced,
fog is generated on the backup mirror due to the
temperature difference between the interior and the exterior of the automobile, the lens heating plate is used for heating the lens of the backup mirror, and therefore the situation can be avoided.