License plate fixing and sealing device with long service life

The utility model discloses a long-service-life license plate fixing and sealing device and relates to the technical field of license plate fixing and sealing devices, the long-service-life license plate fixing and sealing device comprises a male buckle and a female buckle, a bolt is installed at the bottom end of the male buckle in a threaded mode, an installation block is fixedly installed at the bottom end of the female buckle, an installation groove is formed in the top end of the male buckle, and the installation block is connected with the installation groove in an inserted mode. A groove is formed in one side of the mounting block, a telescopic column is fixedly mounted at the position, located in the groove, of the mounting block, the outer side of the telescopic column is sleeved with a first spring, a limiting block is fixedly mounted at the telescopic end of the telescopic column, a through hole is formed in the male buckle, and the limiting block is located in the through hole; the male buckle is