Safety belt buckle and car

The utility model provides a safety belt buckle and car, include: a seat belt lock for with safety belt latch connection, the fabric stretching strap, the first end and the seat belt lock of fabric stretching strap are connected, recovery unit, recovery unit is connected with the second end of fabric stretching strap, and recovery unit includes: fix the shell on the seat floor of back row, be provided stretching strap roll -up pole in the shell, the both ends of stretching strap roll -up pole are fixed respectively on the inside relative two lateral wall of shell, and the second end of fabric stretching strap is fixed on stretching strap roll -up pole, be provided transmission in the shell, transmission's one end and stretching strap roll -up pole are connected, be provided electric actuator in the shell, electric actuator is connected with transmission's the other end, elastomeric element, elastomeric element's lower extreme and stretching strap roll -up pole are connected, and elastomeric element's upper end and electric actuator are connected, and be used for the wire that is electrically connected. The utility model provides a safety belt buckle can be in vehicle collision test, prevents that the back row dummy from taking place the dive.