| 摘要 |
A sand vehicle has a main frame, an auxiliary frame disposed in the main frame, a rear shaft, a pair of connection bars, and a first and a second positioning seats disposed on the auxiliary frame, a pair of torsion-resistant elements, a pair of sleeves disposed on the first positioning seat to receive the torsion-resistant elements, a connection frame disposed on the main frame, a pair of positioning bars disposed on the main frame, the main frame having two rear distal bars, a pair of pivot shafts, a pair of torsion-resistant members, a pair of collars to receive the torsion-resistant members, a pair of connection rods connected to the collars and the pivot shafts, and two rear wheels connected to the rear shaft. Each rear distal bar of the main frame has a pivot aperture. Each positioning bar has a pivot hole. The torsion-resistant elements are disposed between the positioning bars. The collars are disposed in the second positioning seat. The pivot shafts are disposed on the rear distal bars. A pair of shock absorbers are disposed between the connection frame and the connection bars.
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