Car-mounted foldable car care brush

The invention relates to the technical field of car care, in particular to a car-mounted foldable car care brush which comprises a cleaning brush head, a second handle arranged on one side of the cleaning brush head and a first handle sleeved on both sides of the second handle. The car-mounted foldable car care brush has the advantages of being foldable, extendable and retractable so as to performmulti-directional cleaning. A push rod can be pushed and pulled by the force of the rotation of a torsion spring driven by a motor, so that the folding, extension and retraction operation of the brush head can be performed to realize the integrated application. The size of the car care brush is reduced by virtue of folding, extension and retraction so as to facilitate the carrying. All corners ofa car can be cleaned by virtue of the car care brush without the need for staff to move around for appropriate positions and angles. The rotation in all directions and angles can be realized throughthe hinged connection so as