Automobile safety belt lock tongue

The utility model discloses an automobile safety belt lock tongue, and particularly relates to the technical field of lock tongues, the automobile safety belt lock tongue comprises a lock tongue body, and a lighting assembly used for lighting is arranged outside the lock tongue body; the shining assembly comprises a fluorescent plastic sleeve, and the fluorescent plastic sleeve is arranged outside the top end of the spring bolt body in a sleeving mode. By means of the arrangement of the fluorescent plastic sleeve, the lock tongue can emit light automatically under the dim condition in a vehicle, the auxiliary lighting function is provided, the lock tongue body can emit light automatically in the dim place, a safety belt can be conveniently worn and inserted, meanwhile, by means of the arrangement of the reinforcing ribs, the mechanical performance of an iron piece can be enhanced, and the service life of the safety belt is prolonged. Meanwhile, by means of the arrangement of the arc teeth, the knocking perfor