Focusing structure of projection lamp

• Main Authors: QI GAOJIN, CHEN ZHIYONG, XIONG YANJIAN, ZHANG HAISHENG
• Format: Patent
• Language: Chinese; English
• Published: 21.10.2022
• Subjects: BLASTING; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO USESOR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS; LIGHTING; MECHANICAL ENGINEERING; NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS; WEAPONS

The utility model relates to the technical field of automobile lighting, in particular to a focusing structure of a projection lamp, which is suitable for an automobile projection lamp. A support is arranged at the tail of the lens barrel, the outer surface of the lens barrel and the outer surface of the support are located on the same horizontal line, the lens barrel and the support are sleeved with a focusing ring, one end of the focusing ring is matched with the lens barrel, the other end of the focusing ring is matched with the support, and a guide groove is formed in the face, making contact with the lens barrel, of the support. A focusing ring structure is introduced, and a guide groove structure is additionally arranged between a lens cone and a bracket, so that the rotation angle between the lens cone and the bracket is not changed in the focusing process after sleeving, and the modeling design is met while focusing is realized; meanwhile, the focusing ring is in threaded fit with the lens cone and th