AMPHIBIOUS STEERING COLUMN OF AMPHIBIOUS VEHICLE

An amphibious steering column of an amphibious vehicle, the amphibious steering column comprising a lower shaft (11), an upper shaft (33), an outer housing, a combination and separation sleeve (21), a switching and locking module, and a damping and auto-centering module, wherein the lower shaft (11) and the upper shaft (33) are coaxially arranged in sequence, the lower shaft (11) is provided with a first key groove (11.1), the upper shaft (33) is provided with a second key groove (33.1), and a key groove (15.1) is provided in an inner side wall of the outer housing; the combination and separation sleeve (21) is sleeved on the periphery of the lower shaft (11) and the periphery of the upper shaft (33); an inner key (21.2) is provided on an inner side wall of the combination and separation sleeve (21), and an outer key (21.1) is provided on an outer side wall of the combination and separation sleeve; the inner key (21.2) can slide in the first key groove (11.1) and the second key groove (33.1); the outer key (2