Reduction gearbox of college student Baja racing car

The invention discloses a reduction gearbox of a college student Baja racing car. The reduction gearbox comprises a box body, one end of the input shaft penetrates through the first box body and thenis rotatably arranged on the box body in a supporting manner; the first gear is arranged on the input shaft in an empty sleeving manner; the second gear is arranged on the input shaft in an empty sleeving manner; the gear shifting gear is fixedly arranged on the input shaft in a sleeving mode and located between the first gear and the second gear, and the gear shifting gear can move in the circumferential direction of the input shaft and is selectively meshed with the first gear or the second gear; the intermediate shaft is rotationally supported on the box body; the first gear transmission mechanism is fixedly sleeved on the intermediate shaft; the two ends of the output shaft are rotatably arranged on the box body in a supporting manner; and the second gear transmission mechanism can bemeshed with the first gear