Patent ID: 8550374

Claim:
A vehicle headlight cleaning apparatus comprising: a cylindrical casing body, a transmission guide rod arranged in the cylindrical casing body for the cleaning solution flowing, a nozzle assembly connected with the upper end part of the transmission guide rod, and a compression spring arranged in the cylindrical casing body; a bottom of the cylindrical casing body ( 5 ) is connected with a cleaning solution inlet ( 13 - 1 ) located in a casing base ( 13 ), the transmission guide rod ( 8 ) is capable of sliding in the cylindrical casing body ( 5 ), a periphery of the transmission guide rod ( 8 ) closing to the casing base is provided with a circular lug boss ( 8 - 1 ), a bottom ( 8 - 4 ) of the transmission guide rod ( 8 ) is connected with a transmission guide rod base ( 9 ), and the transmission guide rod ( 8 ) is provided with an opening structure ( 8 - 3 ) used for entry of the cleaning solution; The compression spring ( 7 ) is positioned between the cylindrical casing body ( 5 ) and the exterior cylinder wall of the transmission guide rod ( 8 ), Both ends of the compression spring ( 7 ) are fixed on the inner side of an upper end part of the cylindrical casing body ( 5 ) and a spring fixing base ( 10 ) of a movable seal valve respectively, the movable seal valve is slideably arranged at the lower end part of the transmission guide rod ( 8 ) which is connected with the transmission guide rod base ( 9 ) in a propping mode; the movable seal valve comprises the spring fixing base ( 10 ) and a main seal ring ( 11 ) which are arranged at the bottom end inside the cylindrical casing body and sleeved on the lower end of the transmission guide rod ( 8 ); a seal gasket ( 4 ) is arranged on the upper end part outside said cylindrical casing body ( 5 ), and the interior bottom of the seal gasket ( 4 ) is provided with an exhaust groove ( 4 - 3 ).